diff options
| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2016-01-07 15:51:13 -0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2016-01-07 15:51:13 -0800 |
| commit | abaee091a18c19ccd86feb1c8374585d82e96777 (patch) | |
| tree | 01602bae73e1278c3d98dafe1c269049927c58ce | |
| parent | a2746fb16e41b7c8f02aa4d2605ecce97abbebbd (diff) | |
| parent | 3f8d6f2a0797e8c650a47e5c1b5c2601a46f4293 (diff) | |
| download | linux-abaee091a18c19ccd86feb1c8374585d82e96777.tar.bz2 | |
Merge branch 'jejb-scsi' into misc
822 files changed, 11490 insertions, 5873 deletions
diff --git a/Documentation/IPMI.txt b/Documentation/IPMI.txt index 31d1d658827f..c0d8788e75d3 100644 --- a/Documentation/IPMI.txt +++ b/Documentation/IPMI.txt @@ -587,7 +587,7 @@ used to control it: modprobe ipmi_watchdog timeout=<t> pretimeout=<t> action=<action type> preaction=<preaction type> preop=<preop type> start_now=x - nowayout=x ifnum_to_use=n + nowayout=x ifnum_to_use=n panic_wdt_timeout=<t> ifnum_to_use specifies which interface the watchdog timer should use. The default is -1, which means to pick the first one registered. @@ -597,7 +597,9 @@ is the amount of seconds before the reset that the pre-timeout panic will occur (if pretimeout is zero, then pretimeout will not be enabled). Note that the pretimeout is the time before the final timeout. So if the timeout is 50 seconds and the pretimeout is 10 seconds, then the pretimeout -will occur in 40 second (10 seconds before the timeout). +will occur in 40 second (10 seconds before the timeout). The panic_wdt_timeout +is the value of timeout which is set on kernel panic, in order to let actions +such as kdump to occur during panic. The action may be "reset", "power_cycle", or "power_off", and specifies what to do when the timer times out, and defaults to @@ -634,6 +636,7 @@ for configuring the watchdog: ipmi_watchdog.preop=<preop type> ipmi_watchdog.start_now=x ipmi_watchdog.nowayout=x + ipmi_watchdog.panic_wdt_timeout=<t> The options are the same as the module parameter options. diff --git a/Documentation/arm/keystone/Overview.txt b/Documentation/arm/keystone/Overview.txt index f17bc4c9dff9..400c0c270d2e 100644 --- a/Documentation/arm/keystone/Overview.txt +++ b/Documentation/arm/keystone/Overview.txt @@ -49,24 +49,6 @@ specified through DTS. Following are the DTS used:- The device tree documentation for the keystone machines are located at Documentation/devicetree/bindings/arm/keystone/keystone.txt -Known issues & workaround -------------------------- - -Some of the device drivers used on keystone are re-used from that from -DaVinci and other TI SoCs. These device drivers may use clock APIs directly. -Some of the keystone specific drivers such as netcp uses run time power -management API instead to enable clock. As this API has limitations on -keystone, following workaround is needed to boot Linux. - - Add 'clk_ignore_unused' to the bootargs env variable in u-boot. Otherwise - clock frameworks will try to disable clocks that are unused and disable - the hardware. This is because netcp related power domain and clock - domains are enabled in u-boot as run time power management API currently - doesn't enable clocks for netcp due to a limitation. This workaround is - expected to be removed in the future when proper API support becomes - available. Until then, this work around is needed. - - Document Author --------------- Murali Karicheri <m-karicheri2@ti.com> diff --git a/Documentation/block/null_blk.txt b/Documentation/block/null_blk.txt index 2f6c6ff7161d..d8880ca30af4 100644 --- a/Documentation/block/null_blk.txt +++ b/Documentation/block/null_blk.txt @@ -70,3 +70,6 @@ use_per_node_hctx=[0/1]: Default: 0 parameter. 1: The multi-queue block layer is instantiated with a hardware dispatch queue for each CPU node in the system. + +use_lightnvm=[0/1]: Default: 0 + Register device with LightNVM. Requires blk-mq to be used. diff --git a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt index f5a8ca29aff0..aeea50c84e92 100644 --- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt +++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt @@ -8,6 +8,11 @@ Required properties: - phy-mode: See ethernet.txt file in the same directory - clocks: a pointer to the reference clock for this device. +Optional properties: +- tx-csum-limit: maximum mtu supported by port that allow TX checksum. + Value is presented in bytes. If not used, by default 1600B is set for + "marvell,armada-370-neta" and 9800B for others. + Example: ethernet@d0070000 { @@ -15,6 +20,7 @@ ethernet@d0070000 { reg = <0xd0070000 0x2500>; interrupts = <8>; clocks = <&gate_clk 4>; + tx-csum-limit = <9800> status = "okay"; phy = <&phy0>; phy-mode = "rgmii-id"; diff --git a/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt index b38200d2583a..0dfa60d88dd3 100644 --- a/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt @@ -1,7 +1,9 @@ * Temperature Sensor ADC (TSADC) on rockchip SoCs Required properties: -- compatible : "rockchip,rk3288-tsadc" +- compatible : should be "rockchip,<name>-tsadc" + "rockchip,rk3288-tsadc": found on RK3288 SoCs + "rockchip,rk3368-tsadc": found on RK3368 SoCs - reg : physical base address of the controller and length of memory mapped region. - interrupts : The interrupt number to the cpu. The interrupt specifier format diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index 6a4b1af724f8..1bba38dd2637 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -32,6 +32,7 @@ Supported adapters: * Intel Sunrise Point-LP (PCH) * Intel DNV (SOC) * Intel Broxton (SOC) + * Intel Lewisburg (PCH) Datasheets: Publicly available at the Intel website On Intel Patsburg and later chipsets, both the normal host SMBus controller diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index f8aae632f02f..742f69d18fc8 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1583,9 +1583,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. hwp_only Only load intel_pstate on systems which support hardware P state control (HWP) if available. - no_acpi - Don't use ACPI processor performance control objects - _PSS and _PPC specified limits. intremap= [X86-64, Intel-IOMMU] on enable Interrupt Remapping (default) diff --git a/MAINTAINERS b/MAINTAINERS index d2f94e21fe57..6769e771ea67 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -318,7 +318,7 @@ M: Zhang Rui <rui.zhang@intel.com> L: linux-acpi@vger.kernel.org W: https://01.org/linux-acpi S: Supported -F: drivers/acpi/video.c +F: drivers/acpi/acpi_video.c ACPI WMI DRIVER L: platform-driver-x86@vger.kernel.org @@ -1847,7 +1847,7 @@ S: Supported F: drivers/net/wireless/ath/ath6kl/ WILOCITY WIL6210 WIRELESS DRIVER -M: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> +M: Maya Erez <qca_merez@qca.qualcomm.com> L: linux-wireless@vger.kernel.org L: wil6210@qca.qualcomm.com S: Supported @@ -1931,7 +1931,7 @@ S: Supported F: drivers/i2c/busses/i2c-at91.c ATMEL ISI DRIVER -M: Josh Wu <josh.wu@atmel.com> +M: Ludovic Desroches <ludovic.desroches@atmel.com> L: linux-media@vger.kernel.org S: Supported F: drivers/media/platform/soc_camera/atmel-isi.c @@ -1950,7 +1950,8 @@ S: Supported F: drivers/net/ethernet/cadence/ ATMEL NAND DRIVER -M: Josh Wu <josh.wu@atmel.com> +M: Wenyou Yang <wenyou.yang@atmel.com> +M: Josh Wu <rainyfeeling@outlook.com> L: linux-mtd@lists.infradead.org S: Supported F: drivers/mtd/nand/atmel_nand* @@ -2449,7 +2450,9 @@ F: drivers/firmware/broadcom/* BROADCOM STB NAND FLASH DRIVER M: Brian Norris <computersforpeace@gmail.com> +M: Kamal Dasu <kdasu.kdev@gmail.com> L: linux-mtd@lists.infradead.org +L: bcm-kernel-feedback-list@broadcom.com S: Maintained F: drivers/mtd/nand/brcmnand/ @@ -2929,10 +2932,9 @@ S: Maintained F: drivers/platform/x86/compal-laptop.c CONEXANT ACCESSRUNNER USB DRIVER -M: Simon Arlott <cxacru@fire.lp0.eu> L: accessrunner-general@lists.sourceforge.net W: http://accessrunner.sourceforge.net/ -S: Maintained +S: Orphan F: drivers/usb/atm/cxacru.c CONFIGFS @@ -4409,6 +4411,7 @@ K: fmc_d.*register FPGA MANAGER FRAMEWORK M: Alan Tull <atull@opensource.altera.com> +R: Moritz Fischer <moritz.fischer@ettus.com> S: Maintained F: drivers/fpga/ F: include/linux/fpga/fpga-mgr.h @@ -6371,6 +6374,7 @@ F: arch/*/include/asm/pmem.h LIGHTNVM PLATFORM SUPPORT M: Matias Bjorling <mb@lightnvm.io> W: http://github/OpenChannelSSD +L: linux-block@vger.kernel.org S: Maintained F: drivers/lightnvm/ F: include/linux/lightnvm.h @@ -7909,6 +7913,18 @@ S: Maintained F: net/openvswitch/ F: include/uapi/linux/openvswitch.h +OPERATING PERFORMANCE POINTS (OPP) +M: Viresh Kumar <vireshk@kernel.org> +M: Nishanth Menon <nm@ti.com> +M: Stephen Boyd <sboyd@codeaurora.org> +L: linux-pm@vger.kernel.org +S: Maintained +T: git git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git +F: drivers/base/power/opp/ +F: include/linux/pm_opp.h +F: Documentation/power/opp.txt +F: Documentation/devicetree/bindings/opp/ + OPL4 DRIVER M: Clemens Ladisch <clemens@ladisch.de> L: alsa-devel@alsa-project.org (moderated for non-subscribers) @@ -9322,7 +9338,6 @@ F: drivers/i2c/busses/i2c-designware-* F: include/linux/platform_data/i2c-designware.h SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER -M: Seungwon Jeon <tgih.jun@samsung.com> M: Jaehoon Chung <jh80.chung@samsung.com> L: linux-mmc@vger.kernel.org S: Maintained @@ -9419,8 +9434,10 @@ F: include/scsi/sg.h SCSI SUBSYSTEM M: "James E.J. Bottomley" <JBottomley@odin.com> -L: linux-scsi@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git +M: "Martin K. Petersen" <martin.petersen@oracle.com> +T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git +L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/ F: include/scsi/ @@ -10895,9 +10912,9 @@ S: Maintained F: drivers/media/tuners/tua9001* TULIP NETWORK DRIVERS -M: Grant Grundler <grundler@parisc-linux.org> L: netdev@vger.kernel.org -S: Maintained +L: linux-parisc@vger.kernel.org +S: Orphan F: drivers/net/ethernet/dec/tulip/ TUN/TAP driver @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 4 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc4 NAME = Blurry Fish Butt # *DOCUMENTATION* diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig index c92c0ef1e9d2..f1ac9818b751 100644 --- a/arch/arc/configs/axs101_defconfig +++ b/arch/arc/configs/axs101_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set CONFIG_SYSVIPC=y diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig index cfac24e0e7b6..323486d6ee83 100644 --- a/arch/arc/configs/axs103_defconfig +++ b/arch/arc/configs/axs103_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set CONFIG_SYSVIPC=y diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig index 9922a118a15a..66191cd0447e 100644 --- a/arch/arc/configs/axs103_smp_defconfig +++ b/arch/arc/configs/axs103_smp_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set CONFIG_SYSVIPC=y diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig index f761a7c70761..f68838e8068a 100644 --- a/arch/arc/configs/nsim_hs_defconfig +++ b/arch/arc/configs/nsim_hs_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" # CONFIG_LOCALVERSION_AUTO is not set CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig index dc6f74f41283..96bd1c20fb0b 100644 --- a/arch/arc/configs/nsim_hs_smp_defconfig +++ b/arch/arc/configs/nsim_hs_smp_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" # CONFIG_LOCALVERSION_AUTO is not set CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig index 3fef0a210c56..fcae66683ca0 100644 --- a/arch/arc/configs/nsimosci_hs_defconfig +++ b/arch/arc/configs/nsimosci_hs_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" # CONFIG_LOCALVERSION_AUTO is not set CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig index 51784837daae..b01b659168ea 100644 --- a/arch/arc/configs/nsimosci_hs_smp_defconfig +++ b/arch/arc/configs/nsimosci_hs_smp_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_SWAP is not set CONFIG_SYSVIPC=y diff --git a/arch/arc/configs/vdk_hs38_defconfig b/arch/arc/configs/vdk_hs38_defconfig index ef35ef3923dd..a07f20de221b 100644 --- a/arch/arc/configs/vdk_hs38_defconfig +++ b/arch/arc/configs/vdk_hs38_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" # CONFIG_LOCALVERSION_AUTO is not set CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_CROSS_MEMORY_ATTACH is not set diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig index 634509e5e572..f36c047b33ca 100644 --- a/arch/arc/configs/vdk_hs38_smp_defconfig +++ b/arch/arc/configs/vdk_hs38_smp_defconfig @@ -1,4 +1,4 @@ -CONFIG_CROSS_COMPILE="arc-linux-uclibc-" +CONFIG_CROSS_COMPILE="arc-linux-" # CONFIG_LOCALVERSION_AUTO is not set CONFIG_DEFAULT_HOSTNAME="ARCLinux" # CONFIG_CROSS_MEMORY_ATTACH is not set diff --git a/arch/arc/include/asm/irqflags-arcv2.h b/arch/arc/include/asm/irqflags-arcv2.h index ad481c24070d..258b0e5ad332 100644 --- a/arch/arc/include/asm/irqflags-arcv2.h +++ b/arch/arc/include/asm/irqflags-arcv2.h @@ -37,6 +37,9 @@ #define ISA_INIT_STATUS_BITS (STATUS_IE_MASK | STATUS_AD_MASK | \ (ARCV2_IRQ_DEF_PRIO << 1)) +/* SLEEP needs default irq priority (<=) which can interrupt the doze */ +#define ISA_SLEEP_ARG (0x10 | ARCV2_IRQ_DEF_PRIO) + #ifndef __ASSEMBLY__ /* diff --git a/arch/arc/include/asm/irqflags-compact.h b/arch/arc/include/asm/irqflags-compact.h index d8c608174617..c1d36458bfb7 100644 --- a/arch/arc/include/asm/irqflags-compact.h +++ b/arch/arc/include/asm/irqflags-compact.h @@ -43,6 +43,8 @@ #define ISA_INIT_STATUS_BITS STATUS_IE_MASK +#define ISA_SLEEP_ARG 0x3 + #ifndef __ASSEMBLY__ /****************************************************************** diff --git a/arch/arc/kernel/ctx_sw.c b/arch/arc/kernel/ctx_sw.c index c14a5bea0c76..5d446df2c413 100644 --- a/arch/arc/kernel/ctx_sw.c +++ b/arch/arc/kernel/ctx_sw.c @@ -58,8 +58,6 @@ __switch_to(struct task_struct *prev_task, struct task_struct *next_task) "st sp, [r24] \n\t" #endif - "sync \n\t" - /* * setup _current_task with incoming tsk. * optionally, set r25 to that as well diff --git a/arch/arc/kernel/ctx_sw_asm.S b/arch/arc/kernel/ctx_sw_asm.S index e248594097e7..e6890b1f8650 100644 --- a/arch/arc/kernel/ctx_sw_asm.S +++ b/arch/arc/kernel/ctx_sw_asm.S @@ -44,9 +44,6 @@ __switch_to: * don't need to do anything special to return it */ - /* hardware memory barrier */ - sync - /* * switch to new task, contained in r1 * Temp reg r3 is required to get the ptr to store val diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c index 91d5a0f1f3f7..a3f750e76b68 100644 --- a/arch/arc/kernel/process.c +++ b/arch/arc/kernel/process.c @@ -44,11 +44,10 @@ SYSCALL_DEFINE0(arc_gettls) void arch_cpu_idle(void) { /* sleep, but enable all interrupts before committing */ - if (is_isa_arcompact()) { - __asm__("sleep 0x3"); - } else { - __asm__("sleep 0x10"); - } + __asm__ __volatile__( + "sleep %0 \n" + : + :"I"(ISA_SLEEP_ARG)); /* can't be "r" has to be embedded const */ } asmlinkage void ret_from_fork(void); diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c index 93c6ea52b671..7352475451f6 100644 --- a/arch/arc/kernel/unwind.c +++ b/arch/arc/kernel/unwind.c @@ -986,42 +986,13 @@ int arc_unwind(struct unwind_frame_info *frame) (const u8 *)(fde + 1) + *fde, ptrType); - if (pc >= endLoc) + if (pc >= endLoc) { fde = NULL; - } else - fde = NULL; - } - if (fde == NULL) { - for (fde = table->address, tableSize = table->size; - cie = NULL, tableSize > sizeof(*fde) - && tableSize - sizeof(*fde) >= *fde; - tableSize -= sizeof(*fde) + *fde, - fde += 1 + *fde / sizeof(*fde)) { - cie = cie_for_fde(fde, table); - if (cie == &bad_cie) { cie = NULL; - break; } - if (cie == NULL - || cie == ¬_fde - || (ptrType = fde_pointer_type(cie)) < 0) - continue; - ptr = (const u8 *)(fde + 2); - startLoc = read_pointer(&ptr, - (const u8 *)(fde + 1) + - *fde, ptrType); - if (!startLoc) - continue; - if (!(ptrType & DW_EH_PE_indirect)) - ptrType &= - DW_EH_PE_FORM | DW_EH_PE_signed; - endLoc = - startLoc + read_pointer(&ptr, - (const u8 *)(fde + - 1) + - *fde, ptrType); - if (pc >= startLoc && pc < endLoc) - break; + } else { + fde = NULL; + cie = NULL; } } } diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c index 0ee739846847..daf2bf52b984 100644 --- a/arch/arc/mm/tlb.c +++ b/arch/arc/mm/tlb.c @@ -619,10 +619,10 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long vaddr_unaligned, int dirty = !test_and_set_bit(PG_dc_clean, &page->flags); if (dirty) { - /* wback + inv dcache lines */ + /* wback + inv dcache lines (K-mapping) */ __flush_dcache_page(paddr, paddr); - /* invalidate any existing icache lines */ + /* invalidate any existing icache lines (U-mapping) */ if (vma->vm_flags & VM_EXEC) __inv_icache_page(paddr, vaddr); } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 0365cbbc9179..34e1569a11ee 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -76,6 +76,8 @@ config ARM select IRQ_FORCED_THREADING select MODULES_USE_ELF_REL select NO_BOOTMEM + select OF_EARLY_FLATTREE if OF + select OF_RESERVED_MEM if OF select OLD_SIGACTION select OLD_SIGSUSPEND3 select PERF_USE_VMALLOC @@ -1822,8 +1824,6 @@ config USE_OF bool "Flattened Device Tree support" select IRQ_DOMAIN select OF - select OF_EARLY_FLATTREE - select OF_RESERVED_MEM help Include support for flattened device tree machine descriptions. diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index d9ba6b879fc1..00352e761b8c 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -604,6 +604,7 @@ reg = <0x6f>; interrupts-extended = <&crossbar_mpu GIC_SPI 2 IRQ_TYPE_EDGE_RISING>, <&dra7_pmx_core 0x424>; + interrupt-names = "irq", "wakeup"; pinctrl-names = "default"; pinctrl-0 = <&mcp79410_pins_default>; diff --git a/arch/arm/boot/dts/animeo_ip.dts b/arch/arm/boot/dts/animeo_ip.dts index 4e0ad3b82796..0962f2fa3f6e 100644 --- a/arch/arm/boot/dts/animeo_ip.dts +++ b/arch/arm/boot/dts/animeo_ip.dts @@ -155,21 +155,21 @@ label = "keyswitch_in"; gpios = <&pioB 1 GPIO_ACTIVE_HIGH>; linux,code = <28>; - gpio-key,wakeup; + wakeup-source; }; error_in { label = "error_in"; gpios = <&pioB 2 GPIO_ACTIVE_HIGH>; linux,code = <29>; - gpio-key,wakeup; + wakeup-source; }; btn { label = "btn"; gpios = <&pioC 23 GPIO_ACTIVE_HIGH>; linux,code = <31>; - gpio-key,wakeup; + wakeup-source; }; }; }; diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi index c6a0e9d7f1a9..e8b7f6726772 100644 --- a/arch/arm/boot/dts/armada-38x.dtsi +++ b/arch/arm/boot/dts/armada-38x.dtsi @@ -498,6 +498,7 @@ reg = <0x70000 0x4000>; interrupts-extended = <&mpic 8>; clocks = <&gateclk 4>; + tx-csum-limit = <9800>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/at91-foxg20.dts b/arch/arm/boot/dts/at91-foxg20.dts index f89598af4c2b..6bf873e7d96c 100644 --- a/arch/arm/boot/dts/at91-foxg20.dts +++ b/arch/arm/boot/dts/at91-foxg20.dts @@ -159,7 +159,7 @@ label = "Button"; gpios = <&pioC 4 GPIO_ACTIVE_LOW>; linux,code = <0x103>; - gpio-key,wakeup; + wakeup-source; }; }; }; diff --git a/arch/arm/boot/dts/at91-kizbox.dts b/arch/arm/boot/dts/at91-kizbox.dts index bf18ece0c027..229e989eb60d 100644 --- a/arch/arm/boot/dts/at91-kizbox.dts +++ b/arch/arm/boot/dts/at91-kizbox.dts @@ -24,15 +24,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <18432000>; - }; - main_xtal { clock-frequency = <18432000>; }; @@ -94,14 +85,14 @@ label = "PB_RST"; gpios = <&pioB 30 GPIO_ACTIVE_HIGH>; linux,code = <0x100>; - gpio-key,wakeup; + wakeup-source; }; user { label = "PB_USER"; gpios = <&pioB 31 GPIO_ACTIVE_HIGH>; linux,code = <0x101>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91-kizbox2.dts b/arch/arm/boot/dts/at91-kizbox2.dts index f0b1563cb3f1..50a14568f094 100644 --- a/arch/arm/boot/dts/at91-kizbox2.dts +++ b/arch/arm/boot/dts/at91-kizbox2.dts @@ -171,21 +171,21 @@ label = "PB_PROG"; gpios = <&pioE 27 GPIO_ACTIVE_LOW>; linux,code = <0x102>; - gpio-key,wakeup; + wakeup-source; }; reset { label = "PB_RST"; gpios = <&pioE 29 GPIO_ACTIVE_LOW>; linux,code = <0x100>; - gpio-key,wakeup; + wakeup-source; }; user { label = "PB_USER"; gpios = <&pioE 31 GPIO_ACTIVE_HIGH>; linux,code = <0x101>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91-kizboxmini.dts b/arch/arm/boot/dts/at91-kizboxmini.dts index 9f72b4932634..9682d105d4d8 100644 --- a/arch/arm/boot/dts/at91-kizboxmini.dts +++ b/arch/arm/boot/dts/at91-kizboxmini.dts @@ -98,14 +98,14 @@ label = "PB_PROG"; gpios = <&pioC 17 GPIO_ACTIVE_LOW>; linux,code = <0x102>; - gpio-key,wakeup; + wakeup-source; }; reset { label = "PB_RST"; gpios = <&pioC 16 GPIO_ACTIVE_LOW>; linux,code = <0x100>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91-qil_a9260.dts b/arch/arm/boot/dts/at91-qil_a9260.dts index a9aef53ab764..4f2eebf4a560 100644 --- a/arch/arm/boot/dts/at91-qil_a9260.dts +++ b/arch/arm/boot/dts/at91-qil_a9260.dts @@ -183,7 +183,7 @@ label = "user_pb"; gpios = <&pioB 10 GPIO_ACTIVE_LOW>; linux,code = <28>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index e07c2b206beb..ad6de73ed5a5 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -45,6 +45,7 @@ /dts-v1/; #include "sama5d2.dtsi" #include "sama5d2-pinfunc.h" +#include <dt-bindings/mfd/atmel-flexcom.h> / { model = "Atmel SAMA5D2 Xplained"; @@ -59,15 +60,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <12000000>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -91,6 +83,22 @@ status = "okay"; }; + sdmmc0: sdio-host@a0000000 { + bus-width = <8>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdmmc0_default>; + non-removable; + mmc-ddr-1_8v; + status = "okay"; + }; + + sdmmc1: sdio-host@b0000000 { + bus-width = <4>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdmmc1_default>; + status = "okay"; /* conflict with qspi0 */ + }; + apb { spi0: spi@f8000000 { pinctrl-names = "default"; @@ -181,12 +189,49 @@ }; }; + flx0: flexcom@f8034000 { + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>; + status = "disabled"; /* conflict with ISC_D2 & ISC_D3 data pins */ + + uart5: serial@200 { + compatible = "atmel,at91sam9260-usart"; + reg = <0x200 0x200>; + interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&flx0_clk>; + clock-names = "usart"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flx0_default>; + atmel,fifo-size = <32>; + status = "okay"; + }; + }; + uart3: serial@fc008000 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart3_default>; status = "okay"; }; + flx4: flexcom@fc018000 { + atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>; + status = "okay"; + + i2c2: i2c@600 { + compatible = "atmel,sama5d2-i2c"; + reg = <0x600 0x200>; + interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>; + dmas = <0>, <0>; + dma-names = "tx", "rx"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&flx4_clk>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flx4_default>; + atmel,fifo-size = <16>; + status = "okay"; + }; + }; + i2c1: i2c@fc028000 { dmas = <0>, <0>; pinctrl-names = "default"; @@ -201,6 +246,18 @@ }; pinctrl@fc038000 { + pinctrl_flx0_default: flx0_default { + pinmux = <PIN_PB28__FLEXCOM0_IO0>, + <PIN_PB29__FLEXCOM0_IO1>; + bias-disable; + }; + + pinctrl_flx4_default: flx4_default { + pinmux = <PIN_PD12__FLEXCOM4_IO0>, + <PIN_PD13__FLEXCOM4_IO1>; + bias-disable; + }; + pinctrl_i2c0_default: i2c0_default { pinmux = <PIN_PD21__TWD0>, <PIN_PD22__TWCK0>; @@ -227,6 +284,46 @@ bias-disable; }; + pinctrl_sdmmc0_default: sdmmc0_default { + cmd_data { + pinmux = <PIN_PA1__SDMMC0_CMD>, + <PIN_PA2__SDMMC0_DAT0>, + <PIN_PA3__SDMMC0_DAT1>, + <PIN_PA4__SDMMC0_DAT2>, + <PIN_PA5__SDMMC0_DAT3>, + <PIN_PA6__SDMMC0_DAT4>, + <PIN_PA7__SDMMC0_DAT5>, + <PIN_PA8__SDMMC0_DAT6>, + <PIN_PA9__SDMMC0_DAT7>; + bias-pull-up; + }; + + ck_cd_rstn_vddsel { + pinmux = <PIN_PA0__SDMMC0_CK>, + <PIN_PA10__SDMMC0_RSTN>, + <PIN_PA11__SDMMC0_VDDSEL>, + <PIN_PA13__SDMMC0_CD>; + bias-disable; + }; + }; + + pinctrl_sdmmc1_default: sdmmc1_default { + cmd_data { + pinmux = <PIN_PA28__SDMMC1_CMD>, + <PIN_PA18__SDMMC1_DAT0>, + <PIN_PA19__SDMMC1_DAT1>, + <PIN_PA20__SDMMC1_DAT2>, + <PIN_PA21__SDMMC1_DAT3>; + bias-pull-up; + }; + + conf-ck_cd { + pinmux = <PIN_PA22__SDMMC1_CK>, + <PIN_PA30__SDMMC1_CD>; + bias-disable; + }; + }; + pinctrl_spi0_default: spi0_default { pinmux = <PIN_PA14__SPI0_SPCK>, <PIN_PA15__SPI0_MOSI>, diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts index 8488ac53d22d..ff888d21c786 100644 --- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts @@ -315,7 +315,7 @@ label = "PB_USER"; gpios = <&pioE 29 GPIO_ACTIVE_LOW>; linux,code = <0x104>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d4_xplained.dts b/arch/arm/boot/dts/at91-sama5d4_xplained.dts index 45371a1b61b3..131614f28e75 100644 --- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts @@ -50,7 +50,6 @@ compatible = "atmel,sama5d4-xplained", "atmel,sama5d4", "atmel,sama5"; chosen { - bootargs = "ignore_loglevel earlyprintk"; stdout-path = "serial0:115200n8"; }; @@ -59,15 +58,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <12000000>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -235,7 +225,7 @@ label = "pb_user1"; gpios = <&pioE 8 GPIO_ACTIVE_HIGH>; linux,code = <0x100>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91-sama5d4ek.dts b/arch/arm/boot/dts/at91-sama5d4ek.dts index 6d272c0125e3..2d4a33100af6 100644 --- a/arch/arm/boot/dts/at91-sama5d4ek.dts +++ b/arch/arm/boot/dts/at91-sama5d4ek.dts @@ -50,7 +50,6 @@ compatible = "atmel,sama5d4ek", "atmel,sama5d4", "atmel,sama5"; chosen { - bootargs = "ignore_loglevel earlyprintk"; stdout-path = "serial0:115200n8"; }; @@ -59,15 +58,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <12000000>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -304,7 +294,7 @@ label = "pb_user1"; gpios = <&pioE 13 GPIO_ACTIVE_HIGH>; linux,code = <0x100>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91rm9200ek.dts b/arch/arm/boot/dts/at91rm9200ek.dts index 8dab4b75ca97..f90e1c2d3caa 100644 --- a/arch/arm/boot/dts/at91rm9200ek.dts +++ b/arch/arm/boot/dts/at91rm9200ek.dts @@ -21,15 +21,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <18432000>; - }; - slow_xtal { clock-frequency = <32768>; }; diff --git a/arch/arm/boot/dts/at91sam9261ek.dts b/arch/arm/boot/dts/at91sam9261ek.dts index 2e92ac020f23..55bd51f07fa6 100644 --- a/arch/arm/boot/dts/at91sam9261ek.dts +++ b/arch/arm/boot/dts/at91sam9261ek.dts @@ -22,15 +22,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <18432000>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -149,7 +140,7 @@ ti,debounce-tol = /bits/ 16 <65535>; ti,debounce-max = /bits/ 16 <1>; - linux,wakeup; + wakeup-source; }; }; @@ -193,28 +184,28 @@ label = "button_0"; gpios = <&pioA 27 GPIO_ACTIVE_LOW>; linux,code = <256>; - gpio-key,wakeup; + wakeup-source; }; button_1 { label = "button_1"; gpios = <&pioA 26 GPIO_ACTIVE_LOW>; linux,code = <257>; - gpio-key,wakeup; + wakeup-source; }; button_2 { label = "button_2"; gpios = <&pioA 25 GPIO_ACTIVE_LOW>; linux,code = <258>; - gpio-key,wakeup; + wakeup-source; }; button_3 { label = "button_3"; gpios = <&pioA 24 GPIO_ACTIVE_LOW>; linux,code = <259>; - gpio-key,wakeup; + wakeup-source; }; }; }; diff --git a/arch/arm/boot/dts/at91sam9263ek.dts b/arch/arm/boot/dts/at91sam9263ek.dts index 23381276ffb8..59df9d73d276 100644 --- a/arch/arm/boot/dts/at91sam9263ek.dts +++ b/arch/arm/boot/dts/at91sam9263ek.dts @@ -22,15 +22,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <16367660>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -213,14 +204,14 @@ label = "left_click"; gpios = <&pioC 5 GPIO_ACTIVE_LOW>; linux,code = <272>; - gpio-key,wakeup; + wakeup-source; }; right_click { label = "right_click"; gpios = <&pioC 4 GPIO_ACTIVE_LOW>; linux,code = <273>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi index 57548a2c5a1e..e9cc99b6353a 100644 --- a/arch/arm/boot/dts/at91sam9g20ek_common.dtsi +++ b/arch/arm/boot/dts/at91sam9g20ek_common.dtsi @@ -19,15 +19,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <18432000>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -206,14 +197,14 @@ label = "Button 3"; gpios = <&pioA 30 GPIO_ACTIVE_LOW>; linux,code = <0x103>; - gpio-key,wakeup; + wakeup-source; }; btn4 { label = "Button 4"; gpios = <&pioA 31 GPIO_ACTIVE_LOW>; linux,code = <0x104>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91sam9m10g45ek.dts b/arch/arm/boot/dts/at91sam9m10g45ek.dts index 9d16ef8453c5..2400c99134f7 100644 --- a/arch/arm/boot/dts/at91sam9m10g45ek.dts +++ b/arch/arm/boot/dts/at91sam9m10g45ek.dts @@ -24,15 +24,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <12000000>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -323,14 +314,14 @@ label = "left_click"; gpios = <&pioB 6 GPIO_ACTIVE_LOW>; linux,code = <272>; - gpio-key,wakeup; + wakeup-source; }; right_click { label = "right_click"; gpios = <&pioB 7 GPIO_ACTIVE_LOW>; linux,code = <273>; - gpio-key,wakeup; + wakeup-source; }; left { diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts index acf3451a332d..ca4ddf86817a 100644 --- a/arch/arm/boot/dts/at91sam9n12ek.dts +++ b/arch/arm/boot/dts/at91sam9n12ek.dts @@ -23,15 +23,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <16000000>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -219,7 +210,7 @@ label = "Enter"; gpios = <&pioB 3 GPIO_ACTIVE_LOW>; linux,code = <28>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91sam9rlek.dts b/arch/arm/boot/dts/at91sam9rlek.dts index 558c9f220bed..f10566f759cd 100644 --- a/arch/arm/boot/dts/at91sam9rlek.dts +++ b/arch/arm/boot/dts/at91sam9rlek.dts @@ -22,15 +22,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <12000000>; - }; - slow_xtal { clock-frequency = <32768>; }; @@ -225,14 +216,14 @@ label = "right_click"; gpios = <&pioB 0 GPIO_ACTIVE_LOW>; linux,code = <273>; - gpio-key,wakeup; + wakeup-source; }; left_click { label = "left_click"; gpios = <&pioB 1 GPIO_ACTIVE_LOW>; linux,code = <272>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi index 26112ebd15fc..b098ad8cd93a 100644 --- a/arch/arm/boot/dts/at91sam9x5cm.dtsi +++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi @@ -13,17 +13,6 @@ }; clocks { - #address-cells = <1>; - #size-cells = <1>; - ranges; - - main_clock: clock@0 { - compatible = "atmel,osc", "fixed-clock"; - clock-frequency = <12000000>; - }; - }; - - clocks { slow_xtal { clock-frequency = <32768>; }; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index bc672fb91466..fe99231cbde5 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -1459,8 +1459,8 @@ interrupt-names = "tx", "rx"; dmas = <&sdma_xbar 133>, <&sdma_xbar 132>; dma-names = "tx", "rx"; - clocks = <&mcasp3_ahclkx_mux>; - clock-names = "fck"; + clocks = <&mcasp3_aux_gfclk_mux>, <&mcasp3_ahclkx_mux>; + clock-names = "fck", "ahclkx"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index feb9d34b239c..f818ea483aeb 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -486,7 +486,10 @@ compatible = "fsl,imx27-usb"; reg = <0x10024000 0x200>; interrupts = <56>; - clocks = <&clks IMX27_CLK_USB_IPG_GATE>; + clocks = <&clks IMX27_CLK_USB_IPG_GATE>, + <&clks IMX27_CLK_USB_AHB_GATE>, + <&clks IMX27_CLK_USB_DIV>; + clock-names = "ipg", "ahb", "per"; fsl,usbmisc = <&usbmisc 0>; status = "disabled"; }; @@ -495,7 +498,10 @@ compatible = "fsl,imx27-usb"; reg = <0x10024200 0x200>; interrupts = <54>; - clocks = <&clks IMX27_CLK_USB_IPG_GATE>; + clocks = <&clks IMX27_CLK_USB_IPG_GATE>, + <&clks IMX27_CLK_USB_AHB_GATE>, + <&clks IMX27_CLK_USB_DIV>; + clock-names = "ipg", "ahb", "per"; fsl,usbmisc = <&usbmisc 1>; dr_mode = "host"; status = "disabled"; @@ -505,7 +511,10 @@ compatible = "fsl,imx27-usb"; reg = <0x10024400 0x200>; interrupts = <55>; - clocks = <&clks IMX27_CLK_USB_IPG_GATE>; + clocks = <&clks IMX27_CLK_USB_IPG_GATE>, + <&clks IMX27_CLK_USB_AHB_GATE>, + <&clks IMX27_CLK_USB_DIV>; + clock-names = "ipg", "ahb", "per"; fsl,usbmisc = <&usbmisc 2>; dr_mode = "host"; status = "disabled"; @@ -515,7 +524,6 @@ #index-cells = <1>; compatible = "fsl,imx27-usbmisc"; reg = <0x10024600 0x200>; - clocks = <&clks IMX27_CLK_USB_AHB_GATE>; }; sahara2: sahara@10025000 { diff --git a/arch/arm/boot/dts/k2l-netcp.dtsi b/arch/arm/boot/dts/k2l-netcp.dtsi index 01aef230773d..5acbd0dcc2ab 100644 --- a/arch/arm/boot/dts/k2l-netcp.dtsi +++ b/arch/arm/boot/dts/k2l-netcp.dtsi @@ -137,7 +137,7 @@ netcp: netcp@26000000 { /* NetCP address range */ ranges = <0 0x26000000 0x1000000>; - clocks = <&papllclk>, <&clkcpgmac>, <&chipclk12>; + clocks = <&clkosr>, <&papllclk>, <&clkcpgmac>, <&chipclk12>; dma-coherent; ti,navigator-dmas = <&dma_gbe 0>, diff --git a/arch/arm/boot/dts/kirkwood-ts219.dtsi b/arch/arm/boot/dts/kirkwood-ts219.dtsi index c56ab6bbfe3c..0e46560551f4 100644 --- a/arch/arm/boot/dts/kirkwood-ts219.dtsi +++ b/arch/arm/boot/dts/kirkwood-ts219.dtsi @@ -40,7 +40,7 @@ }; poweroff@12100 { compatible = "qnap,power-off"; - reg = <0x12000 0x100>; + reg = <0x12100 0x100>; clocks = <&gate_clk 7>; }; spi@10600 { diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts index 8fd8ef2c72da..85f0373df498 100644 --- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts +++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts @@ -86,6 +86,10 @@ }; }; +&emmc { + /delete-property/mmc-hs200-1_8v; +}; + &gpio_keys { pinctrl-0 = <&pwr_key_l &ap_lid_int_l &volum_down_l &volum_up_l>; diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi index 6a79c9c526b8..04ea209f1737 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -452,8 +452,10 @@ clock-names = "tsadc", "apb_pclk"; resets = <&cru SRST_TSADC>; reset-names = "tsadc-apb"; - pinctrl-names = "default"; - pinctrl-0 = <&otp_out>; + pinctrl-names = "init", "default", "sleep"; + pinctrl-0 = <&otp_gpio>; + pinctrl-1 = <&otp_out>; + pinctrl-2 = <&otp_gpio>; #thermal-sensor-cells = <1>; rockchip,hw-tshut-temp = <95000>; status = "disabled"; @@ -1395,6 +1397,10 @@ }; tsadc { + otp_gpio: otp-gpio { + rockchip,pins = <0 10 RK_FUNC_GPIO &pcfg_pull_none>; + }; + otp_out: otp-out { rockchip,pins = <0 10 RK_FUNC_1 &pcfg_pull_none>; }; diff --git a/arch/arm/boot/dts/sama5d35ek.dts b/arch/arm/boot/dts/sama5d35ek.dts index d9a9aca1ccfd..e812f5c1bf70 100644 --- a/arch/arm/boot/dts/sama5d35ek.dts +++ b/arch/arm/boot/dts/sama5d35ek.dts @@ -49,7 +49,7 @@ label = "pb_user1"; gpios = <&pioE 27 GPIO_ACTIVE_HIGH>; linux,code = <0x100>; - gpio-key,wakeup; + wakeup-source; }; }; }; diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi index 15bbaf690047..2193637b9cd2 100644 --- a/arch/arm/boot/dts/sama5d4.dtsi +++ b/arch/arm/boot/dts/sama5d4.dtsi @@ -1300,7 +1300,7 @@ }; watchdog@fc068640 { - compatible = "atmel,at91sam9260-wdt"; + compatible = "atmel,sama5d4-wdt"; reg = <0xfc068640 0x10>; clocks = <&clk32k>; status = "disabled"; diff --git a/arch/arm/boot/dts/usb_a9260_common.dtsi b/arch/arm/boot/dts/usb_a9260_common.dtsi index 12edafefd44a..9beea8976584 100644 --- a/arch/arm/boot/dts/usb_a9260_common.dtsi +++ b/arch/arm/boot/dts/usb_a9260_common.dtsi @@ -115,7 +115,7 @@ label = "user_pb"; gpios = <&pioB 10 GPIO_ACTIVE_LOW>; linux,code = <28>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/usb_a9263.dts b/arch/arm/boot/dts/usb_a9263.dts index 68c0de36c339..8cc6edb29694 100644 --- a/arch/arm/boot/dts/usb_a9263.dts +++ b/arch/arm/boot/dts/usb_a9263.dts @@ -143,7 +143,7 @@ label = "user_pb"; gpios = <&pioB 10 GPIO_ACTIVE_LOW>; linux,code = <28>; - gpio-key,wakeup; + wakeup-source; }; }; diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi index 6736bae43a5b..0d5acc2cdc8e 100644 --- a/arch/arm/boot/dts/vfxxx.dtsi +++ b/arch/arm/boot/dts/vfxxx.dtsi @@ -158,7 +158,7 @@ interrupts = <67 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_DSPI0>; clock-names = "dspi"; - spi-num-chipselects = <5>; + spi-num-chipselects = <6>; status = "disabled"; }; @@ -170,7 +170,7 @@ interrupts = <68 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_DSPI1>; clock-names = "dspi"; - spi-num-chipselects = <5>; + spi-num-chipselects = <4>; status = "disabled"; }; @@ -461,6 +461,8 @@ clock-names = "adc"; #io-channel-cells = <1>; status = "disabled"; + fsl,adck-max-frequency = <30000000>, <40000000>, + <20000000>; }; esdhc0: esdhc@400b1000 { @@ -472,8 +474,6 @@ <&clks VF610_CLK_ESDHC0>; clock-names = "ipg", "ahb", "per"; status = "disabled"; - fsl,adck-max-frequency = <30000000>, <40000000>, - <20000000>; }; esdhc1: esdhc@400b2000 { diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig index 1b1e5acd76e2..e4b1be66b3f5 100644 --- a/arch/arm/configs/at91_dt_defconfig +++ b/arch/arm/configs/at91_dt_defconfig @@ -125,7 +125,6 @@ CONFIG_POWER_RESET=y # CONFIG_HWMON is not set CONFIG_WATCHDOG=y CONFIG_AT91SAM9X_WATCHDOG=y -CONFIG_SSB=m CONFIG_MFD_ATMEL_HLCDC=y CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED_VOLTAGE=y diff --git a/arch/arm/configs/sama5_defconfig b/arch/arm/configs/sama5_defconfig index a0c57ac88b27..63f7e6ce649a 100644 --- a/arch/arm/configs/sama5_defconfig +++ b/arch/arm/configs/sama5_defconfig @@ -129,7 +129,6 @@ CONFIG_GPIO_SYSFS=y CONFIG_POWER_SUPPLY=y CONFIG_POWER_RESET=y # CONFIG_HWMON is not set -CONFIG_SSB=m CONFIG_MFD_ATMEL_FLEXCOM=y CONFIG_REGULATOR=y CONFIG_REGULATOR_FIXED_VOLTAGE=y diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h index be1d07d59ee9..1bd9510de1b9 100644 --- a/arch/arm/include/asm/irq.h +++ b/arch/arm/include/asm/irq.h @@ -40,6 +40,11 @@ extern void arch_trigger_all_cpu_backtrace(bool); #define arch_trigger_all_cpu_backtrace(x) arch_trigger_all_cpu_backtrace(x) #endif +static inline int nr_legacy_irqs(void) +{ + return NR_IRQS_LEGACY; +} + #endif #endif diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h index a9c80a2ea1a7..3095df091ff8 100644 --- a/arch/arm/include/asm/kvm_emulate.h +++ b/arch/arm/include/asm/kvm_emulate.h @@ -28,6 +28,18 @@ unsigned long *vcpu_reg(struct kvm_vcpu *vcpu, u8 reg_num); unsigned long *vcpu_spsr(struct kvm_vcpu *vcpu); +static inline unsigned long vcpu_get_reg(struct kvm_vcpu *vcpu, + u8 reg_num) +{ + return *vcpu_reg(vcpu, reg_num); +} + +static inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num, + unsigned long val) +{ + *vcpu_reg(vcpu, reg_num) = val; +} + bool kvm_condition_valid(struct kvm_vcpu *vcpu); void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr); void kvm_inject_undefined(struct kvm_vcpu *vcpu); diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h index 7a2a32a1d5a8..ede692ffa32e 100644 --- a/arch/arm/include/uapi/asm/unistd.h +++ b/arch/arm/include/uapi/asm/unistd.h @@ -416,6 +416,7 @@ #define __NR_execveat (__NR_SYSCALL_BASE+387) #define __NR_userfaultfd (__NR_SYSCALL_BASE+388) #define __NR_membarrier (__NR_SYSCALL_BASE+389) +#define __NR_mlock2 (__NR_SYSCALL_BASE+390) /* * The following SWIs are ARM private. diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index 6551d28c27e6..066f7f9ba411 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -17,11 +17,6 @@ #include <asm/mach/pci.h> static int debug_pci; -static resource_size_t (*align_resource)(struct pci_dev *dev, - const struct resource *res, - resource_size_t start, - resource_size_t size, - resource_size_t align) = NULL; /* * We can't use pci_get_device() here since we are @@ -461,7 +456,6 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, sys->busnr = busnr; sys->swizzle = hw->swizzle; sys->map_irq = hw->map_irq; - align_resource = hw->align_resource; INIT_LIST_HEAD(&sys->resources); if (hw->private_data) @@ -470,6 +464,8 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, ret = hw->setup(nr, sys); if (ret > 0) { + struct pci_host_bridge *host_bridge; + ret = pcibios_init_resources(nr, sys); if (ret) { kfree(sys); @@ -491,6 +487,9 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, busnr = sys->bus->busn_res.end + 1; list_add(&sys->node, head); + + host_bridge = pci_find_host_bridge(sys->bus); + host_bridge->align_resource = hw->align_resource; } else { kfree(sys); if (ret < 0) @@ -578,14 +577,18 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, { struct pci_dev *dev = data; resource_size_t start = res->start; + struct pci_host_bridge *host_bridge; if (res->flags & IORESOURCE_IO && start & 0x300) start = (start + 0x3ff) & ~0x3ff; start = (start + align - 1) & ~(align - 1); - if (align_resource) - return align_resource(dev, res, start, size, align); + host_bridge = pci_find_host_bridge(dev->bus); + + if (host_bridge->align_resource) + return host_bridge->align_resource(dev, res, + start, size, align); return start; } diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index fde6c88d560c..ac368bb068d1 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -399,6 +399,7 @@ CALL(sys_execveat) CALL(sys_userfaultfd) CALL(sys_membarrier) + CALL(sys_mlock2) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index eab83b2435b8..e06fd299de08 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -564,17 +564,12 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) vcpu_sleep(vcpu); /* - * Disarming the background timer must be done in a - * preemptible context, as this call may sleep. - */ - kvm_timer_flush_hwstate(vcpu); - - /* * Preparing the interrupts to be injected also * involves poking the GIC, which must be done in a * non-preemptible context. */ preempt_disable(); + kvm_timer_flush_hwstate(vcpu); kvm_vgic_flush_hwstate(vcpu); local_irq_disable(); diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c index 974b1c606d04..3a10c9f1d0a4 100644 --- a/arch/arm/kvm/mmio.c +++ b/arch/arm/kvm/mmio.c @@ -115,7 +115,7 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run) trace_kvm_mmio(KVM_TRACE_MMIO_READ, len, run->mmio.phys_addr, data); data = vcpu_data_host_to_guest(vcpu, data, len); - *vcpu_reg(vcpu, vcpu->arch.mmio_decode.rt) = data; + vcpu_set_reg(vcpu, vcpu->arch.mmio_decode.rt, data); } return 0; @@ -186,7 +186,8 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run, rt = vcpu->arch.mmio_decode.rt; if (is_write) { - data = vcpu_data_guest_to_host(vcpu, *vcpu_reg(vcpu, rt), len); + data = vcpu_data_guest_to_host(vcpu, vcpu_get_reg(vcpu, rt), + len); trace_kvm_mmio(KVM_TRACE_MMIO_WRITE, len, fault_ipa, data); mmio_write_buf(data_buf, len, data); diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index 6984342da13d..61d96a645ff3 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -98,6 +98,11 @@ static void kvm_flush_dcache_pud(pud_t pud) __kvm_flush_dcache_pud(pud); } +static bool kvm_is_device_pfn(unsigned long pfn) +{ + return !pfn_valid(pfn); +} + /** * stage2_dissolve_pmd() - clear and flush huge PMD entry * @kvm: pointer to kvm structure. @@ -213,7 +218,7 @@ static void unmap_ptes(struct kvm *kvm, pmd_t *pmd, kvm_tlb_flush_vmid_ipa(kvm, addr); /* No need to invalidate the cache for device mappings */ - if ((pte_val(old_pte) & PAGE_S2_DEVICE) != PAGE_S2_DEVICE) + if (!kvm_is_device_pfn(pte_pfn(old_pte))) kvm_flush_dcache_pte(old_pte); put_page(virt_to_page(pte)); @@ -305,8 +310,7 @@ static void stage2_flush_ptes(struct kvm *kvm, pmd_t *pmd, pte = pte_offset_kernel(pmd, addr); do { - if (!pte_none(*pte) && - (pte_val(*pte) & PAGE_S2_DEVICE) != PAGE_S2_DEVICE) + if (!pte_none(*pte) && !kvm_is_device_pfn(pte_pfn(*pte))) kvm_flush_dcache_pte(*pte); } while (pte++, addr += PAGE_SIZE, addr != end); } @@ -1037,11 +1041,6 @@ static bool kvm_is_write_fault(struct kvm_vcpu *vcpu) return kvm_vcpu_dabt_iswrite(vcpu); } -static bool kvm_is_device_pfn(unsigned long pfn) -{ - return !pfn_valid(pfn); -} - /** * stage2_wp_ptes - write protect PMD range * @pmd: pointer to pmd entry diff --git a/arch/arm/kvm/psci.c b/arch/arm/kvm/psci.c index 0b556968a6da..a9b3b905e661 100644 --- a/arch/arm/kvm/psci.c +++ b/arch/arm/kvm/psci.c @@ -75,7 +75,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu) unsigned long context_id; phys_addr_t target_pc; - cpu_id = *vcpu_reg(source_vcpu, 1) & MPIDR_HWID_BITMASK; + cpu_id = vcpu_get_reg(source_vcpu, 1) & MPIDR_HWID_BITMASK; if (vcpu_mode_is_32bit(source_vcpu)) cpu_id &= ~((u32) 0); @@ -94,8 +94,8 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu) return PSCI_RET_INVALID_PARAMS; } - target_pc = *vcpu_reg(source_vcpu, 2); - context_id = *vcpu_reg(source_vcpu, 3); + target_pc = vcpu_get_reg(source_vcpu, 2); + context_id = vcpu_get_reg(source_vcpu, 3); kvm_reset_vcpu(vcpu); @@ -114,7 +114,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu) * NOTE: We always update r0 (or x0) because for PSCI v0.1 * the general puspose registers are undefined upon CPU_ON. */ - *vcpu_reg(vcpu, 0) = context_id; + vcpu_set_reg(vcpu, 0, context_id); vcpu->arch.power_off = false; smp_mb(); /* Make sure the above is visible */ @@ -134,8 +134,8 @@ static unsigned long kvm_psci_vcpu_affinity_info(struct kvm_vcpu *vcpu) struct kvm *kvm = vcpu->kvm; struct kvm_vcpu *tmp; - target_affinity = *vcpu_reg(vcpu, 1); - lowest_affinity_level = *vcpu_reg(vcpu, 2); + target_affinity = vcpu_get_reg(vcpu, 1); + lowest_affinity_level = vcpu_get_reg(vcpu, 2); /* Determine target affinity mask */ target_affinity_mask = psci_affinity_mask(lowest_affinity_level); @@ -209,7 +209,7 @@ int kvm_psci_version(struct kvm_vcpu *vcpu) static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu) { int ret = 1; - unsigned long psci_fn = *vcpu_reg(vcpu, 0) & ~((u32) 0); + unsigned long psci_fn = vcpu_get_reg(vcpu, 0) & ~((u32) 0); unsigned long val; switch (psci_fn) { @@ -273,13 +273,13 @@ static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu) break; } - *vcpu_reg(vcpu, 0) = val; + vcpu_set_reg(vcpu, 0, val); return ret; } static int kvm_psci_0_1_call(struct kvm_vcpu *vcpu) { - unsigned long psci_fn = *vcpu_reg(vcpu, 0) & ~((u32) 0); + unsigned long psci_fn = vcpu_get_reg(vcpu, 0) & ~((u32) 0); unsigned long val; switch (psci_fn) { @@ -295,7 +295,7 @@ static int kvm_psci_0_1_call(struct kvm_vcpu *vcpu) break; } - *vcpu_reg(vcpu, 0) = val; + vcpu_set_reg(vcpu, 0, val); return 1; } diff --git a/arch/arm/mach-dove/include/mach/entry-macro.S b/arch/arm/mach-dove/include/mach/entry-macro.S index 72d622baaad3..df1d44bdc375 100644 --- a/arch/arm/mach-dove/include/mach/entry-macro.S +++ b/arch/arm/mach-dove/include/mach/entry-macro.S @@ -18,13 +18,13 @@ @ check low interrupts ldr \irqstat, [\base, #IRQ_CAUSE_LOW_OFF] ldr \tmp, [\base, #IRQ_MASK_LOW_OFF] - mov \irqnr, #31 + mov \irqnr, #32 ands \irqstat, \irqstat, \tmp @ if no low interrupts set, check high interrupts ldreq \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF] ldreq \tmp, [\base, #IRQ_MASK_HIGH_OFF] - moveq \irqnr, #63 + moveq \irqnr, #64 andeqs \irqstat, \irqstat, \tmp @ find first active interrupt source diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index 8e7976a4c3e7..cfc696b972f3 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -177,6 +177,7 @@ static struct irq_chip imx_gpc_chip = { .irq_unmask = imx_gpc_irq_unmask, .irq_retrigger = irq_chip_retrigger_hierarchy, .irq_set_wake = imx_gpc_irq_set_wake, + .irq_set_type = irq_chip_set_type_parent, #ifdef CONFIG_SMP .irq_set_affinity = irq_chip_set_affinity_parent, #endif diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 5305ec7341ec..79e1f876d1c9 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -143,9 +143,9 @@ static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle) * Ensure that CPU power state is set to ON to avoid CPU * powerdomain transition on wfi */ - clkdm_wakeup(cpu1_clkdm); - omap_set_pwrdm_state(cpu1_pwrdm, PWRDM_POWER_ON); - clkdm_allow_idle(cpu1_clkdm); + clkdm_wakeup_nolock(cpu1_clkdm); + pwrdm_set_next_pwrst(cpu1_pwrdm, PWRDM_POWER_ON); + clkdm_allow_idle_nolock(cpu1_clkdm); if (IS_PM44XX_ERRATUM(PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD)) { while (gic_dist_disabled()) { diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index cc8a987149e2..48495ad82aba 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -890,6 +890,36 @@ static int _init_opt_clks(struct omap_hwmod *oh) return ret; } +static void _enable_optional_clocks(struct omap_hwmod *oh) +{ + struct omap_hwmod_opt_clk *oc; + int i; + + pr_debug("omap_hwmod: %s: enabling optional clocks\n", oh->name); + + for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) + if (oc->_clk) { + pr_debug("omap_hwmod: enable %s:%s\n", oc->role, + __clk_get_name(oc->_clk)); + clk_enable(oc->_clk); + } +} + +static void _disable_optional_clocks(struct omap_hwmod *oh) +{ + struct omap_hwmod_opt_clk *oc; + int i; + + pr_debug("omap_hwmod: %s: disabling optional clocks\n", oh->name); + + for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) + if (oc->_clk) { + pr_debug("omap_hwmod: disable %s:%s\n", oc->role, + __clk_get_name(oc->_clk)); + clk_disable(oc->_clk); + } +} + /** * _enable_clocks - enable hwmod main clock and interface clocks * @oh: struct omap_hwmod * @@ -917,6 +947,9 @@ static int _enable_clocks(struct omap_hwmod *oh) clk_enable(os->_clk); } + if (oh->flags & HWMOD_OPT_CLKS_NEEDED) + _enable_optional_clocks(oh); + /* The opt clocks are controlled by the device driver. */ return 0; @@ -948,41 +981,14 @@ static int _disable_clocks(struct omap_hwmod *oh) clk_disable(os->_clk); } + if (oh->flags & HWMOD_OPT_CLKS_NEEDED) + _disable_optional_clocks(oh); + /* The opt clocks are controlled by the device driver. */ return 0; } -static void _enable_optional_clocks(struct omap_hwmod *oh) -{ - struct omap_hwmod_opt_clk *oc; - int i; - - pr_debug("omap_hwmod: %s: enabling optional clocks\n", oh->name); - - for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) - if (oc->_clk) { - pr_debug("omap_hwmod: enable %s:%s\n", oc->role, - __clk_get_name(oc->_clk)); - clk_enable(oc->_clk); - } -} - -static void _disable_optional_clocks(struct omap_hwmod *oh) -{ - struct omap_hwmod_opt_clk *oc; - int i; - - pr_debug("omap_hwmod: %s: disabling optional clocks\n", oh->name); - - for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) - if (oc->_clk) { - pr_debug("omap_hwmod: disable %s:%s\n", oc->role, - __clk_get_name(oc->_clk)); - clk_disable(oc->_clk); - } -} - /** * _omap4_enable_module - enable CLKCTRL modulemode on OMAP4 * @oh: struct omap_hwmod * diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index ca6df1a73475..76bce11c85a4 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -523,6 +523,8 @@ struct omap_hwmod_omap4_prcm { * HWMOD_RECONFIG_IO_CHAIN: omap_hwmod code needs to reconfigure wake-up * events by calling _reconfigure_io_chain() when a device is enabled * or idled. + * HWMOD_OPT_CLKS_NEEDED: The optional clocks are needed for the module to + * operate and they need to be handled at the same time as the main_clk. */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -538,6 +540,7 @@ struct omap_hwmod_omap4_prcm { #define HWMOD_FORCE_MSTANDBY (1 << 11) #define HWMOD_SWSUP_SIDLE_ACT (1 << 12) #define HWMOD_RECONFIG_IO_CHAIN (1 << 13) +#define HWMOD_OPT_CLKS_NEEDED (1 << 14) /* * omap_hwmod._int_flags definitions diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 51d1ecb384bd..ee4e04434a94 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -1298,6 +1298,44 @@ static struct omap_hwmod dra7xx_mcspi4_hwmod = { }; /* + * 'mcasp' class + * + */ +static struct omap_hwmod_class_sysconfig dra7xx_mcasp_sysc = { + .sysc_offs = 0x0004, + .sysc_flags = SYSC_HAS_SIDLEMODE, + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type3, +}; + +static struct omap_hwmod_class dra7xx_mcasp_hwmod_class = { + .name = "mcasp", + .sysc = &dra7xx_mcasp_sysc, +}; + +/* mcasp3 */ +static struct omap_hwmod_opt_clk mcasp3_opt_clks[] = { + { .role = "ahclkx", .clk = "mcasp3_ahclkx_mux" }, +}; + +static struct omap_hwmod dra7xx_mcasp3_hwmod = { + .name = "mcasp3", + .class = &dra7xx_mcasp_hwmod_class, + .clkdm_name = "l4per2_clkdm", + .main_clk = "mcasp3_aux_gfclk_mux", + .flags = HWMOD_OPT_CLKS_NEEDED, + .prcm = { + .omap4 = { + .clkctrl_offs = DRA7XX_CM_L4PER2_MCASP3_CLKCTRL_OFFSET, + .context_offs = DRA7XX_RM_L4PER2_MCASP3_CONTEXT_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, + .opt_clks = mcasp3_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(mcasp3_opt_clks), +}; + +/* * 'mmc' class * */ @@ -2566,6 +2604,22 @@ static struct omap_hwmod_ocp_if dra7xx_l3_main_1__hdmi = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* l4_per2 -> mcasp3 */ +static struct omap_hwmod_ocp_if dra7xx_l4_per2__mcasp3 = { + .master = &dra7xx_l4_per2_hwmod, + .slave = &dra7xx_mcasp3_hwmod, + .clk = "l4_root_clk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l3_main_1 -> mcasp3 */ +static struct omap_hwmod_ocp_if dra7xx_l3_main_1__mcasp3 = { + .master = &dra7xx_l3_main_1_hwmod, + .slave = &dra7xx_mcasp3_hwmod, + .clk = "l3_iclk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + /* l4_per1 -> elm */ static struct omap_hwmod_ocp_if dra7xx_l4_per1__elm = { .master = &dra7xx_l4_per1_hwmod, @@ -3308,6 +3362,8 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = { &dra7xx_l4_wkup__dcan1, &dra7xx_l4_per2__dcan2, &dra7xx_l4_per2__cpgmac0, + &dra7xx_l4_per2__mcasp3, + &dra7xx_l3_main_1__mcasp3, &dra7xx_gmac__mdio, &dra7xx_l4_cfg__dma_system, &dra7xx_l3_main_1__dss, diff --git a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c index b1288f56d509..6256052893ec 100644 --- a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c @@ -144,6 +144,7 @@ static struct omap_hwmod dm81xx_l4_ls_hwmod = { .name = "l4_ls", .clkdm_name = "alwon_l3s_clkdm", .class = &l4_hwmod_class, + .flags = HWMOD_NO_IDLEST, }; /* @@ -155,6 +156,7 @@ static struct omap_hwmod dm81xx_l4_hs_hwmod = { .name = "l4_hs", .clkdm_name = "alwon_l3_med_clkdm", .class = &l4_hwmod_class, + .flags = HWMOD_NO_IDLEST, }; /* L3 slow -> L4 ls peripheral interface running at 125MHz */ @@ -850,6 +852,7 @@ static struct omap_hwmod dm816x_emac0_hwmod = { .name = "emac0", .clkdm_name = "alwon_ethernet_clkdm", .class = &dm816x_emac_hwmod_class, + .flags = HWMOD_NO_IDLEST, }; static struct omap_hwmod_ocp_if dm81xx_l4_hs__emac0 = { diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 1dfe34654c43..58144779dec4 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -24,9 +24,6 @@ #include <linux/platform_data/iommu-omap.h> #include <linux/platform_data/wkup_m3.h> -#include <asm/siginfo.h> -#include <asm/signal.h> - #include "common.h" #include "common-board-devices.h" #include "dss-common.h" @@ -385,29 +382,6 @@ static void __init omap3_pandora_legacy_init(void) } #endif /* CONFIG_ARCH_OMAP3 */ -#ifdef CONFIG_SOC_TI81XX -static int fault_fixed_up; - -static int t410_abort_handler(unsigned long addr, unsigned int fsr, - struct pt_regs *regs) -{ - if ((fsr == 0x406 || fsr == 0xc06) && !fault_fixed_up) { - pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n", - addr, fsr); - fault_fixed_up = 1; - return 0; - } - - return 1; -} - -static void __init t410_abort_init(void) -{ - hook_fault_code(16 + 6, t410_abort_handler, SIGBUS, BUS_OBJERR, - "imprecise external abort"); -} -#endif - #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) static struct iommu_platform_data omap4_iommu_pdata = { .reset_name = "mmu_cache", @@ -536,9 +510,6 @@ static struct pdata_init pdata_quirks[] __initdata = { { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, }, { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, }, #endif -#ifdef CONFIG_SOC_TI81XX - { "hp,t410", t410_abort_init, }, -#endif #ifdef CONFIG_SOC_OMAP5 { "ti,omap5-uevm", omap5_uevm_legacy_init, }, #endif diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 87b98bf92366..2dbd3785ee6f 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -301,11 +301,11 @@ static void omap3_pm_idle(void) if (omap_irq_pending()) return; - trace_cpu_idle(1, smp_processor_id()); + trace_cpu_idle_rcuidle(1, smp_processor_id()); omap_sram_idle(); - trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id()); + trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id()); } #ifdef CONFIG_SUSPEND diff --git a/arch/arm/mach-orion5x/include/mach/entry-macro.S b/arch/arm/mach-orion5x/include/mach/entry-macro.S index 79eb502a1e64..73919a36b577 100644 --- a/arch/arm/mach-orion5x/include/mach/entry-macro.S +++ b/arch/arm/mach-orion5x/include/mach/entry-macro.S @@ -21,5 +21,5 @@ @ find cause bits that are unmasked ands \irqstat, \irqstat, \tmp @ clear Z flag if any clzne \irqnr, \irqstat @ calc irqnr - rsbne \irqnr, \irqnr, #31 + rsbne \irqnr, \irqnr, #32 .endm diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c index 13eba2b26e0a..8fbfb10047ec 100644 --- a/arch/arm/mach-pxa/palm27x.c +++ b/arch/arm/mach-pxa/palm27x.c @@ -344,7 +344,7 @@ void __init palm27x_pwm_init(int bl, int lcd) { palm_bl_power = bl; palm_lcd_power = lcd; - pwm_add_lookup(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup)); + pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup)); platform_device_register(&palm27x_backlight); } #endif diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c index aebf6de62468..0b5c3876720c 100644 --- a/arch/arm/mach-pxa/palmtc.c +++ b/arch/arm/mach-pxa/palmtc.c @@ -169,7 +169,7 @@ static inline void palmtc_keys_init(void) {} #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) static struct pwm_lookup palmtc_pwm_lookup[] = { PWM_LOOKUP("pxa25x-pwm.1", 0, "pwm-backlight.0", NULL, PALMTC_PERIOD_NS, - PWM_PERIOD_NORMAL), + PWM_POLARITY_NORMAL), }; static struct platform_pwm_backlight_data palmtc_backlight_data = { diff --git a/arch/arm/mach-shmobile/setup-r8a7793.c b/arch/arm/mach-shmobile/setup-r8a7793.c index 1d2825cb7a65..5fce87f7f254 100644 --- a/arch/arm/mach-shmobile/setup-r8a7793.c +++ b/arch/arm/mach-shmobile/setup-r8a7793.c @@ -19,7 +19,7 @@ #include "common.h" #include "rcar-gen2.h" -static const char *r8a7793_boards_compat_dt[] __initconst = { +static const char * const r8a7793_boards_compat_dt[] __initconst = { "renesas,r8a7793", NULL, }; diff --git a/arch/arm/mach-zx/Kconfig b/arch/arm/mach-zx/Kconfig index 7fdc5bf24f9b..446334a25cf5 100644 --- a/arch/arm/mach-zx/Kconfig +++ b/arch/arm/mach-zx/Kconfig @@ -13,7 +13,7 @@ config SOC_ZX296702 select ARM_GLOBAL_TIMER select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP - select PM_GENERIC_DOMAINS + select PM_GENERIC_DOMAINS if PM help Support for ZTE ZX296702 SoC which is a dual core CortexA9MP endif diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 9ac16a482ff1..871f21783866 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -49,7 +49,7 @@ config ARM64 select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_BITREVERSE select HAVE_ARCH_JUMP_LABEL - select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP + select HAVE_ARCH_KASAN if SPARSEMEM_VMEMMAP && !(ARM64_16K_PAGES && ARM64_VA_BITS_48) select HAVE_ARCH_KGDB select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK @@ -316,6 +316,27 @@ config ARM64_ERRATUM_832075 If unsure, say Y. +config ARM64_ERRATUM_834220 + bool "Cortex-A57: 834220: Stage 2 translation fault might be incorrectly reported in presence of a Stage 1 fault" + depends on KVM + default y + help + This option adds an alternative code sequence to work around ARM + erratum 834220 on Cortex-A57 parts up to r1p2. + + Affected Cortex-A57 parts might report a Stage 2 translation + fault as the result of a Stage 1 fault for load crossing a + page boundary when there is a permission or device memory + alignment fault at Stage 1 and a translation fault at Stage 2. + + The workaround is to verify that the Stage 1 translation + doesn't generate a fault before handling the Stage 2 fault. + Please note that this does not necessarily enable the workaround, + as it depends on the alternative framework, which will only patch + the kernel if an affected CPU is detected. + + If unsure, say Y. + config ARM64_ERRATUM_845719 bool "Cortex-A53: 845719: a load might read incorrect data" depends on COMPAT diff --git a/arch/arm64/crypto/aes-ce-cipher.c b/arch/arm64/crypto/aes-ce-cipher.c index ce47792a983d..f7bd9bf0bbb3 100644 --- a/arch/arm64/crypto/aes-ce-cipher.c +++ b/arch/arm64/crypto/aes-ce-cipher.c @@ -237,7 +237,7 @@ EXPORT_SYMBOL(ce_aes_setkey); static struct crypto_alg aes_alg = { .cra_name = "aes", .cra_driver_name = "aes-ce", - .cra_priority = 300, + .cra_priority = 250, .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = AES_BLOCK_SIZE, .cra_ctxsize = sizeof(struct crypto_aes_ctx), diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 624f9679f4b0..9622eb48f894 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -64,27 +64,31 @@ do { \ #define smp_load_acquire(p) \ ({ \ - typeof(*p) ___p1; \ + union { typeof(*p) __val; char __c[1]; } __u; \ compiletime_assert_atomic_type(*p); \ switch (sizeof(*p)) { \ case 1: \ asm volatile ("ldarb %w0, %1" \ - : "=r" (___p1) : "Q" (*p) : "memory"); \ + : "=r" (*(__u8 *)__u.__c) \ + : "Q" (*p) : "memory"); \ break; \ case 2: \ asm volatile ("ldarh %w0, %1" \ - : "=r" (___p1) : "Q" (*p) : "memory"); \ + : "=r" (*(__u16 *)__u.__c) \ + : "Q" (*p) : "memory"); \ break; \ case 4: \ asm volatile ("ldar %w0, %1" \ - : "=r" (___p1) : "Q" (*p) : "memory"); \ + : "=r" (*(__u32 *)__u.__c) \ + : "Q" (*p) : "memory"); \ break; \ case 8: \ asm volatile ("ldar %0, %1" \ - : "=r" (___p1) : "Q" (*p) : "memory"); \ + : "=r" (*(__u64 *)__u.__c) \ + : "Q" (*p) : "memory"); \ break; \ } \ - ___p1; \ + __u.__val; \ }) #define read_barrier_depends() do { } while(0) diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 7fbed6919b54..eb8432bb82b8 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -23,7 +23,6 @@ */ #include <linux/types.h> #include <linux/sched.h> -#include <linux/ptrace.h> #define COMPAT_USER_HZ 100 #ifdef __AARCH64EB__ @@ -234,7 +233,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr) return (u32)(unsigned long)uptr; } -#define compat_user_stack_pointer() (user_stack_pointer(current_pt_regs())) +#define compat_user_stack_pointer() (user_stack_pointer(task_pt_regs(current))) static inline void __user *arch_compat_alloc_user_space(long len) { diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 11d5bb0fdd54..8f271b83f910 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -29,8 +29,9 @@ #define ARM64_HAS_PAN 4 #define ARM64_HAS_LSE_ATOMICS 5 #define ARM64_WORKAROUND_CAVIUM_23154 6 +#define ARM64_WORKAROUND_834220 7 -#define ARM64_NCAPS 7 +#define ARM64_NCAPS 8 #ifndef __ASSEMBLY__ @@ -46,8 +47,12 @@ enum ftr_type { #define FTR_STRICT true /* SANITY check strict matching required */ #define FTR_NONSTRICT false /* SANITY check ignored */ +#define FTR_SIGNED true /* Value should be treated as signed */ +#define FTR_UNSIGNED false /* Value should be treated as unsigned */ + struct arm64_ftr_bits { - bool strict; /* CPU Sanity check: strict matching required ? */ + bool sign; /* Value is signed ? */ + bool strict; /* CPU Sanity check: strict matching required ? */ enum ftr_type type; u8 shift; u8 width; @@ -123,6 +128,18 @@ cpuid_feature_extract_field(u64 features, int field) return cpuid_feature_extract_field_width(features, field, 4); } +static inline unsigned int __attribute_const__ +cpuid_feature_extract_unsigned_field_width(u64 features, int field, int width) +{ + return (u64)(features << (64 - width - field)) >> (64 - width); +} + +static inline unsigned int __attribute_const__ +cpuid_feature_extract_unsigned_field(u64 features, int field) +{ + return cpuid_feature_extract_unsigned_field_width(features, field, 4); +} + static inline u64 arm64_ftr_mask(struct arm64_ftr_bits *ftrp) { return (u64)GENMASK(ftrp->shift + ftrp->width - 1, ftrp->shift); @@ -130,7 +147,9 @@ static inline u64 arm64_ftr_mask(struct arm64_ftr_bits *ftrp) static inline s64 arm64_ftr_value(struct arm64_ftr_bits *ftrp, u64 val) { - return cpuid_feature_extract_field_width(val, ftrp->shift, ftrp->width); + return ftrp->sign ? + cpuid_feature_extract_field_width(val, ftrp->shift, ftrp->width) : + cpuid_feature_extract_unsigned_field_width(val, ftrp->shift, ftrp->width); } static inline bool id_aa64mmfr0_mixed_endian_el0(u64 mmfr0) diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h index 54d0ead41afc..61e08f360e31 100644 --- a/arch/arm64/include/asm/dma-mapping.h +++ b/arch/arm64/include/asm/dma-mapping.h @@ -18,7 +18,6 @@ #ifdef __KERNEL__ -#include <linux/acpi.h> #include <linux/types.h> #include <linux/vmalloc.h> @@ -26,22 +25,16 @@ #include <asm/xen/hypervisor.h> #define DMA_ERROR_CODE (~(dma_addr_t)0) -extern struct dma_map_ops *dma_ops; extern struct dma_map_ops dummy_dma_ops; static inline struct dma_map_ops *__generic_dma_ops(struct device *dev) { - if (unlikely(!dev)) - return dma_ops; - else if (dev->archdata.dma_ops) + if (dev && dev->archdata.dma_ops) return dev->archdata.dma_ops; - else if (acpi_disabled) - return dma_ops; /* - * When ACPI is enabled, if arch_set_dma_ops is not called, - * we will disable device DMA capability by setting it - * to dummy_dma_ops. + * We expect no ISA devices, and all other DMA masters are expected to + * have someone call arch_setup_dma_ops at device creation time. */ return &dummy_dma_ops; } diff --git a/arch/arm64/include/asm/hw_breakpoint.h b/arch/arm64/include/asm/hw_breakpoint.h index e54415ec6935..9732908bfc8a 100644 --- a/arch/arm64/include/asm/hw_breakpoint.h +++ b/arch/arm64/include/asm/hw_breakpoint.h @@ -138,16 +138,18 @@ extern struct pmu perf_ops_bp; /* Determine number of BRP registers available. */ static inline int get_num_brps(void) { + u64 dfr0 = read_system_reg(SYS_ID_AA64DFR0_EL1); return 1 + - cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1), + cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_BRPS_SHIFT); } /* Determine number of WRP registers available. */ static inline int get_num_wrps(void) { + u64 dfr0 = read_system_reg(SYS_ID_AA64DFR0_EL1); return 1 + - cpuid_feature_extract_field(read_system_reg(SYS_ID_AA64DFR0_EL1), + cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_WRPS_SHIFT); } diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h index 23eb450b820b..8e8d30684392 100644 --- a/arch/arm64/include/asm/irq.h +++ b/arch/arm64/include/asm/irq.h @@ -7,4 +7,9 @@ struct pt_regs; extern void set_handle_irq(void (*handle_irq)(struct pt_regs *)); +static inline int nr_legacy_irqs(void) +{ + return 0; +} + #endif diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index 17e92f05b1fe..25a40213bd9b 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -99,12 +99,22 @@ static inline void vcpu_set_thumb(struct kvm_vcpu *vcpu) *vcpu_cpsr(vcpu) |= COMPAT_PSR_T_BIT; } -static inline unsigned long *vcpu_reg(const struct kvm_vcpu *vcpu, u8 reg_num) +/* + * vcpu_get_reg and vcpu_set_reg should always be passed a register number + * coming from a read of ESR_EL2. Otherwise, it may give the wrong result on + * AArch32 with banked registers. + */ +static inline unsigned long vcpu_get_reg(const struct kvm_vcpu *vcpu, + u8 reg_num) { - if (vcpu_mode_is_32bit(vcpu)) - return vcpu_reg32(vcpu, reg_num); + return (reg_num == 31) ? 0 : vcpu_gp_regs(vcpu)->regs.regs[reg_num]; +} - return (unsigned long *)&vcpu_gp_regs(vcpu)->regs.regs[reg_num]; +static inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num, + unsigned long val) +{ + if (reg_num != 31) + vcpu_gp_regs(vcpu)->regs.regs[reg_num] = val; } /* Get vcpu SPSR for current mode */ diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h index c0e87898ba96..24165784b803 100644 --- a/arch/arm64/include/asm/mmu_context.h +++ b/arch/arm64/include/asm/mmu_context.h @@ -101,7 +101,7 @@ static inline void cpu_set_default_tcr_t0sz(void) #define destroy_context(mm) do { } while(0) void check_and_switch_context(struct mm_struct *mm, unsigned int cpu); -#define init_new_context(tsk,mm) ({ atomic64_set(&mm->context.id, 0); 0; }) +#define init_new_context(tsk,mm) ({ atomic64_set(&(mm)->context.id, 0); 0; }) /* * This is called when "tsk" is about to enter lazy TLB mode. diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 9819a9426b69..7e074f93f383 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -81,6 +81,7 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define PAGE_KERNEL __pgprot(_PAGE_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE) #define PAGE_KERNEL_RO __pgprot(_PAGE_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_RDONLY) +#define PAGE_KERNEL_ROX __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_RDONLY) #define PAGE_KERNEL_EXEC __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_WRITE) #define PAGE_KERNEL_EXEC_CONT __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_CONT) diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 24926f2504f7..feb6b4efa641 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -75,6 +75,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = { (1 << MIDR_VARIANT_SHIFT) | 2), }, #endif +#ifdef CONFIG_ARM64_ERRATUM_834220 + { + /* Cortex-A57 r0p0 - r1p2 */ + .desc = "ARM erratum 834220", + .capability = ARM64_WORKAROUND_834220, + MIDR_RANGE(MIDR_CORTEX_A57, 0x00, + (1 << MIDR_VARIANT_SHIFT) | 2), + }, +#endif #ifdef CONFIG_ARM64_ERRATUM_845719 { /* Cortex-A53 r0p[01234] */ diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index c8cf89223b5a..0669c63281ea 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -44,8 +44,9 @@ unsigned int compat_elf_hwcap2 __read_mostly; DECLARE_BITMAP(cpu_hwcaps, ARM64_NCAPS); -#define ARM64_FTR_BITS(STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \ +#define __ARM64_FTR_BITS(SIGNED, STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \ { \ + .sign = SIGNED, \ .strict = STRICT, \ .type = TYPE, \ .shift = SHIFT, \ @@ -53,6 +54,14 @@ DECLARE_BITMAP(cpu_hwcaps, ARM64_NCAPS); .safe_val = SAFE_VAL, \ } +/* Define a feature with signed values */ +#define ARM64_FTR_BITS(STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \ + __ARM64_FTR_BITS(FTR_SIGNED, STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) + +/* Define a feature with unsigned value */ +#define U_ARM64_FTR_BITS(STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) \ + __ARM64_FTR_BITS(FTR_UNSIGNED, STRICT, TYPE, SHIFT, WIDTH, SAFE_VAL) + #define ARM64_FTR_END \ { \ .width = 0, \ @@ -99,7 +108,7 @@ static struct arm64_ftr_bits ftr_id_aa64mmfr0[] = { * Differing PARange is fine as long as all peripherals and memory are mapped * within the minimum PARange of all CPUs */ - ARM64_FTR_BITS(FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64MMFR0_PARANGE_SHIFT, 4, 0), + U_ARM64_FTR_BITS(FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64MMFR0_PARANGE_SHIFT, 4, 0), ARM64_FTR_END, }; @@ -115,18 +124,18 @@ static struct arm64_ftr_bits ftr_id_aa64mmfr1[] = { }; static struct arm64_ftr_bits ftr_ctr[] = { - ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 31, 1, 1), /* RAO */ + U_ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 31, 1, 1), /* RAO */ ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 28, 3, 0), - ARM64_FTR_BITS(FTR_STRICT, FTR_HIGHER_SAFE, 24, 4, 0), /* CWG */ - ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 20, 4, 0), /* ERG */ - ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 16, 4, 1), /* DminLine */ + U_ARM64_FTR_BITS(FTR_STRICT, FTR_HIGHER_SAFE, 24, 4, 0), /* CWG */ + U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 20, 4, 0), /* ERG */ + U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 16, 4, 1), /* DminLine */ /* * Linux can handle differing I-cache policies. Userspace JITs will * make use of *minLine */ - ARM64_FTR_BITS(FTR_NONSTRICT, FTR_EXACT, 14, 2, 0), /* L1Ip */ + U_ARM64_FTR_BITS(FTR_NONSTRICT, FTR_EXACT, 14, 2, 0), /* L1Ip */ ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 4, 10, 0), /* RAZ */ - ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 0, 4, 0), /* IminLine */ + U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, 0, 4, 0), /* IminLine */ ARM64_FTR_END, }; @@ -144,12 +153,12 @@ static struct arm64_ftr_bits ftr_id_mmfr0[] = { static struct arm64_ftr_bits ftr_id_aa64dfr0[] = { ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, 32, 32, 0), - ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_CTX_CMPS_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_WRPS_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_BRPS_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6), + U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_CTX_CMPS_SHIFT, 4, 0), + U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_WRPS_SHIFT, 4, 0), + U_ARM64_FTR_BITS(FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_BRPS_SHIFT, 4, 0), + U_ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0), + U_ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0), + U_ARM64_FTR_BITS(FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6), ARM64_FTR_END, }; diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 706679d0a0b4..212ae6361d8b 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -30,6 +30,7 @@ #include <linux/seq_file.h> #include <linux/sched.h> #include <linux/smp.h> +#include <linux/delay.h> /* * In case the boot CPU is hotpluggable, we record its initial state and @@ -112,6 +113,10 @@ static int c_show(struct seq_file *m, void *v) */ seq_printf(m, "processor\t: %d\n", i); + seq_printf(m, "BogoMIPS\t: %lu.%02lu\n", + loops_per_jiffy / (500000UL/HZ), + loops_per_jiffy / (5000UL/HZ) % 100); + /* * Dump out the common processor features in a single line. * Userspace should read the hwcaps with getauxval(AT_HWCAP) diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index de46b50f4cdf..4eeb17198cfa 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -127,7 +127,11 @@ static int __init uefi_init(void) table_size = sizeof(efi_config_table_64_t) * efi.systab->nr_tables; config_tables = early_memremap(efi_to_phys(efi.systab->tables), table_size); - + if (config_tables == NULL) { + pr_warn("Unable to map EFI config table array.\n"); + retval = -ENOMEM; + goto out; + } retval = efi_config_parse_tables(config_tables, efi.systab->nr_tables, sizeof(efi_config_table_64_t), NULL); @@ -209,6 +213,14 @@ void __init efi_init(void) PAGE_ALIGN(params.mmap_size + (params.mmap & ~PAGE_MASK))); memmap.phys_map = params.mmap; memmap.map = early_memremap(params.mmap, params.mmap_size); + if (memmap.map == NULL) { + /* + * If we are booting via UEFI, the UEFI memory map is the only + * description of memory we have, so there is little point in + * proceeding if we cannot access it. + */ + panic("Unable to map EFI memory map.\n"); + } memmap.map_end = memmap.map + params.mmap_size; memmap.desc_size = params.desc_size; memmap.desc_version = params.desc_ver; @@ -224,8 +236,9 @@ static bool __init efi_virtmap_init(void) { efi_memory_desc_t *md; + init_new_context(NULL, &efi_mm); + for_each_efi_memory_desc(&memmap, md) { - u64 paddr, npages, size; pgprot_t prot; if (!(md->attribute & EFI_MEMORY_RUNTIME)) @@ -233,11 +246,6 @@ static bool __init efi_virtmap_init(void) if (md->virt_addr == 0) return false; - paddr = md->phys_addr; - npages = md->num_pages; - memrange_efi_to_native(&paddr, &npages); - size = npages << PAGE_SHIFT; - pr_info(" EFI remap 0x%016llx => %p\n", md->phys_addr, (void *)md->virt_addr); @@ -254,7 +262,9 @@ static bool __init efi_virtmap_init(void) else prot = PAGE_KERNEL; - create_pgd_mapping(&efi_mm, paddr, md->virt_addr, size, prot); + create_pgd_mapping(&efi_mm, md->phys_addr, md->virt_addr, + md->num_pages << EFI_PAGE_SHIFT, + __pgprot(pgprot_val(prot) | PTE_NG)); } return true; } @@ -270,12 +280,12 @@ static int __init arm64_enable_runtime_services(void) if (!efi_enabled(EFI_BOOT)) { pr_info("EFI services will not be available.\n"); - return -1; + return 0; } if (efi_runtime_disabled()) { pr_info("EFI runtime services will be disabled.\n"); - return -1; + return 0; } pr_info("Remapping and enabling EFI services.\n"); @@ -285,7 +295,7 @@ static int __init arm64_enable_runtime_services(void) mapsize); if (!memmap.map) { pr_err("Failed to remap EFI memory map\n"); - return -1; + return -ENOMEM; } memmap.map_end = memmap.map + mapsize; efi.memmap = &memmap; @@ -294,13 +304,13 @@ static int __init arm64_enable_runtime_services(void) sizeof(efi_system_table_t)); if (!efi.systab) { pr_err("Failed to remap EFI System Table\n"); - return -1; + return -ENOMEM; } set_bit(EFI_SYSTEM_TABLES, &efi.flags); if (!efi_virtmap_init()) { pr_err("No UEFI virtual mapping was installed -- runtime services will not be available\n"); - return -1; + return -ENOMEM; } /* Set up runtime services function pointers */ @@ -329,14 +339,7 @@ core_initcall(arm64_dmi_init); static void efi_set_pgd(struct mm_struct *mm) { - if (mm == &init_mm) - cpu_set_reserved_ttbr0(); - else - cpu_switch_mm(mm->pgd, mm); - - local_flush_tlb_all(); - if (icache_is_aivivt()) - __local_flush_icache_all(); + switch_mm(NULL, mm, NULL); } void efi_virtmap_load(void) diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c index fce95e17cf7f..1095aa483a1c 100644 --- a/arch/arm64/kernel/suspend.c +++ b/arch/arm64/kernel/suspend.c @@ -1,3 +1,4 @@ +#include <linux/ftrace.h> #include <linux/percpu.h> #include <linux/slab.h> #include <asm/cacheflush.h> @@ -71,6 +72,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) local_dbg_save(flags); /* + * Function graph tracer state gets incosistent when the kernel + * calls functions that never return (aka suspend finishers) hence + * disable graph tracing during their execution. + */ + pause_graph_tracing(); + + /* * mm context saved on the stack, it will be restored when * the cpu comes out of reset through the identity mapped * page tables, so that the thread address space is properly @@ -111,6 +119,8 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) hw_breakpoint_restore(NULL); } + unpause_graph_tracing(); + /* * Restore pstate flags. OS lock and mdscr have been already * restored, so from this point onwards, debugging is fully diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c index 68a0759b1375..15f0477b0d2a 100644 --- a/arch/arm64/kvm/handle_exit.c +++ b/arch/arm64/kvm/handle_exit.c @@ -37,7 +37,7 @@ static int handle_hvc(struct kvm_vcpu *vcpu, struct kvm_run *run) { int ret; - trace_kvm_hvc_arm64(*vcpu_pc(vcpu), *vcpu_reg(vcpu, 0), + trace_kvm_hvc_arm64(*vcpu_pc(vcpu), vcpu_get_reg(vcpu, 0), kvm_vcpu_hvc_get_imm(vcpu)); ret = kvm_psci_call(vcpu); diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index 1599701ef044..86c289832272 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -864,6 +864,10 @@ ENTRY(__kvm_flush_vm_context) ENDPROC(__kvm_flush_vm_context) __kvm_hyp_panic: + // Stash PAR_EL1 before corrupting it in __restore_sysregs + mrs x0, par_el1 + push x0, xzr + // Guess the context by looking at VTTBR: // If zero, then we're already a host. // Otherwise restore a minimal host context before panicing. @@ -898,7 +902,7 @@ __kvm_hyp_panic: mrs x3, esr_el2 mrs x4, far_el2 mrs x5, hpfar_el2 - mrs x6, par_el1 + pop x6, xzr // active context PAR_EL1 mrs x7, tpidr_el2 mov lr, #(PSR_F_BIT | PSR_I_BIT | PSR_A_BIT | PSR_D_BIT |\ @@ -914,7 +918,7 @@ __kvm_hyp_panic: ENDPROC(__kvm_hyp_panic) __hyp_panic_str: - .ascii "HYP panic:\nPS:%08x PC:%p ESR:%p\nFAR:%p HPFAR:%p PAR:%p\nVCPU:%p\n\0" + .ascii "HYP panic:\nPS:%08x PC:%016x ESR:%08x\nFAR:%016x HPFAR:%016x PAR:%016x\nVCPU:%p\n\0" .align 2 @@ -1015,9 +1019,15 @@ el1_trap: b.ne 1f // Not an abort we care about /* This is an abort. Check for permission fault */ +alternative_if_not ARM64_WORKAROUND_834220 and x2, x1, #ESR_ELx_FSC_TYPE cmp x2, #FSC_PERM b.ne 1f // Not a permission fault +alternative_else + nop // Use the permission fault path to + nop // check for a valid S1 translation, + nop // regardless of the ESR value. +alternative_endif /* * Check for Stage-1 page table walk, which is guaranteed diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c index 85c57158dcd9..648112e90ed5 100644 --- a/arch/arm64/kvm/inject_fault.c +++ b/arch/arm64/kvm/inject_fault.c @@ -48,7 +48,7 @@ static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset) /* Note: These now point to the banked copies */ *vcpu_spsr(vcpu) = new_spsr_value; - *vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) + return_offset; + *vcpu_reg32(vcpu, 14) = *vcpu_pc(vcpu) + return_offset; /* Branch to exception vector */ if (sctlr & (1 << 13)) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 87a64e8db04c..d2650e84faf2 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -78,7 +78,7 @@ static u32 get_ccsidr(u32 csselr) * See note at ARMv7 ARM B1.14.4 (TL;DR: S/W ops are not easily virtualized). */ static bool access_dcsw(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { if (!p->is_write) @@ -94,21 +94,19 @@ static bool access_dcsw(struct kvm_vcpu *vcpu, * sys_regs and leave it in complete control of the caches. */ static bool access_vm_reg(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { - unsigned long val; bool was_enabled = vcpu_has_cache_enabled(vcpu); BUG_ON(!p->is_write); - val = *vcpu_reg(vcpu, p->Rt); if (!p->is_aarch32) { - vcpu_sys_reg(vcpu, r->reg) = val; + vcpu_sys_reg(vcpu, r->reg) = p->regval; } else { if (!p->is_32bit) - vcpu_cp15_64_high(vcpu, r->reg) = val >> 32; - vcpu_cp15_64_low(vcpu, r->reg) = val & 0xffffffffUL; + vcpu_cp15_64_high(vcpu, r->reg) = upper_32_bits(p->regval); + vcpu_cp15_64_low(vcpu, r->reg) = lower_32_bits(p->regval); } kvm_toggle_cache(vcpu, was_enabled); @@ -122,22 +120,19 @@ static bool access_vm_reg(struct kvm_vcpu *vcpu, * for both AArch64 and AArch32 accesses. */ static bool access_gic_sgi(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { - u64 val; - if (!p->is_write) return read_from_write_only(vcpu, p); - val = *vcpu_reg(vcpu, p->Rt); - vgic_v3_dispatch_sgi(vcpu, val); + vgic_v3_dispatch_sgi(vcpu, p->regval); return true; } static bool trap_raz_wi(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { if (p->is_write) @@ -147,19 +142,19 @@ static bool trap_raz_wi(struct kvm_vcpu *vcpu, } static bool trap_oslsr_el1(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { if (p->is_write) { return ignore_write(vcpu, p); } else { - *vcpu_reg(vcpu, p->Rt) = (1 << 3); + p->regval = (1 << 3); return true; } } static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { if (p->is_write) { @@ -167,7 +162,7 @@ static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu, } else { u32 val; asm volatile("mrs %0, dbgauthstatus_el1" : "=r" (val)); - *vcpu_reg(vcpu, p->Rt) = val; + p->regval = val; return true; } } @@ -200,17 +195,17 @@ static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu, * now use the debug registers. */ static bool trap_debug_regs(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { if (p->is_write) { - vcpu_sys_reg(vcpu, r->reg) = *vcpu_reg(vcpu, p->Rt); + vcpu_sys_reg(vcpu, r->reg) = p->regval; vcpu->arch.debug_flags |= KVM_ARM64_DEBUG_DIRTY; } else { - *vcpu_reg(vcpu, p->Rt) = vcpu_sys_reg(vcpu, r->reg); + p->regval = vcpu_sys_reg(vcpu, r->reg); } - trace_trap_reg(__func__, r->reg, p->is_write, *vcpu_reg(vcpu, p->Rt)); + trace_trap_reg(__func__, r->reg, p->is_write, p->regval); return true; } @@ -225,10 +220,10 @@ static bool trap_debug_regs(struct kvm_vcpu *vcpu, * hyp.S code switches between host and guest values in future. */ static inline void reg_to_dbg(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, u64 *dbg_reg) { - u64 val = *vcpu_reg(vcpu, p->Rt); + u64 val = p->regval; if (p->is_32bit) { val &= 0xffffffffUL; @@ -240,19 +235,16 @@ static inline void reg_to_dbg(struct kvm_vcpu *vcpu, } static inline void dbg_to_reg(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, u64 *dbg_reg) { - u64 val = *dbg_reg; - + p->regval = *dbg_reg; if (p->is_32bit) - val &= 0xffffffffUL; - - *vcpu_reg(vcpu, p->Rt) = val; + p->regval &= 0xffffffffUL; } static inline bool trap_bvr(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *rd) { u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg]; @@ -294,7 +286,7 @@ static inline void reset_bvr(struct kvm_vcpu *vcpu, } static inline bool trap_bcr(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *rd) { u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg]; @@ -337,7 +329,7 @@ static inline void reset_bcr(struct kvm_vcpu *vcpu, } static inline bool trap_wvr(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *rd) { u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg]; @@ -380,7 +372,7 @@ static inline void reset_wvr(struct kvm_vcpu *vcpu, } static inline bool trap_wcr(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *rd) { u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg]; @@ -687,7 +679,7 @@ static const struct sys_reg_desc sys_reg_descs[] = { }; static bool trap_dbgidr(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { if (p->is_write) { @@ -697,23 +689,23 @@ static bool trap_dbgidr(struct kvm_vcpu *vcpu, u64 pfr = read_system_reg(SYS_ID_AA64PFR0_EL1); u32 el3 = !!cpuid_feature_extract_field(pfr, ID_AA64PFR0_EL3_SHIFT); - *vcpu_reg(vcpu, p->Rt) = ((((dfr >> ID_AA64DFR0_WRPS_SHIFT) & 0xf) << 28) | - (((dfr >> ID_AA64DFR0_BRPS_SHIFT) & 0xf) << 24) | - (((dfr >> ID_AA64DFR0_CTX_CMPS_SHIFT) & 0xf) << 20) | - (6 << 16) | (el3 << 14) | (el3 << 12)); + p->regval = ((((dfr >> ID_AA64DFR0_WRPS_SHIFT) & 0xf) << 28) | + (((dfr >> ID_AA64DFR0_BRPS_SHIFT) & 0xf) << 24) | + (((dfr >> ID_AA64DFR0_CTX_CMPS_SHIFT) & 0xf) << 20) + | (6 << 16) | (el3 << 14) | (el3 << 12)); return true; } } static bool trap_debug32(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { if (p->is_write) { - vcpu_cp14(vcpu, r->reg) = *vcpu_reg(vcpu, p->Rt); + vcpu_cp14(vcpu, r->reg) = p->regval; vcpu->arch.debug_flags |= KVM_ARM64_DEBUG_DIRTY; } else { - *vcpu_reg(vcpu, p->Rt) = vcpu_cp14(vcpu, r->reg); + p->regval = vcpu_cp14(vcpu, r->reg); } return true; @@ -731,7 +723,7 @@ static bool trap_debug32(struct kvm_vcpu *vcpu, */ static inline bool trap_xvr(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *rd) { u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg]; @@ -740,12 +732,12 @@ static inline bool trap_xvr(struct kvm_vcpu *vcpu, u64 val = *dbg_reg; val &= 0xffffffffUL; - val |= *vcpu_reg(vcpu, p->Rt) << 32; + val |= p->regval << 32; *dbg_reg = val; vcpu->arch.debug_flags |= KVM_ARM64_DEBUG_DIRTY; } else { - *vcpu_reg(vcpu, p->Rt) = *dbg_reg >> 32; + p->regval = *dbg_reg >> 32; } trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg); @@ -991,7 +983,7 @@ int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run) * Return 0 if the access has been handled, and -1 if not. */ static int emulate_cp(struct kvm_vcpu *vcpu, - const struct sys_reg_params *params, + struct sys_reg_params *params, const struct sys_reg_desc *table, size_t num) { @@ -1062,12 +1054,12 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu, { struct sys_reg_params params; u32 hsr = kvm_vcpu_get_hsr(vcpu); + int Rt = (hsr >> 5) & 0xf; int Rt2 = (hsr >> 10) & 0xf; params.is_aarch32 = true; params.is_32bit = false; params.CRm = (hsr >> 1) & 0xf; - params.Rt = (hsr >> 5) & 0xf; params.is_write = ((hsr & 1) == 0); params.Op0 = 0; @@ -1076,15 +1068,12 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu, params.CRn = 0; /* - * Massive hack here. Store Rt2 in the top 32bits so we only - * have one register to deal with. As we use the same trap + * Make a 64-bit value out of Rt and Rt2. As we use the same trap * backends between AArch32 and AArch64, we get away with it. */ if (params.is_write) { - u64 val = *vcpu_reg(vcpu, params.Rt); - val &= 0xffffffff; - val |= *vcpu_reg(vcpu, Rt2) << 32; - *vcpu_reg(vcpu, params.Rt) = val; + params.regval = vcpu_get_reg(vcpu, Rt) & 0xffffffff; + params.regval |= vcpu_get_reg(vcpu, Rt2) << 32; } if (!emulate_cp(vcpu, ¶ms, target_specific, nr_specific)) @@ -1095,11 +1084,10 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu, unhandled_cp_access(vcpu, ¶ms); out: - /* Do the opposite hack for the read side */ + /* Split up the value between registers for the read side */ if (!params.is_write) { - u64 val = *vcpu_reg(vcpu, params.Rt); - val >>= 32; - *vcpu_reg(vcpu, Rt2) = val; + vcpu_set_reg(vcpu, Rt, lower_32_bits(params.regval)); + vcpu_set_reg(vcpu, Rt2, upper_32_bits(params.regval)); } return 1; @@ -1118,21 +1106,24 @@ static int kvm_handle_cp_32(struct kvm_vcpu *vcpu, { struct sys_reg_params params; u32 hsr = kvm_vcpu_get_hsr(vcpu); + int Rt = (hsr >> 5) & 0xf; params.is_aarch32 = true; params.is_32bit = true; params.CRm = (hsr >> 1) & 0xf; - params.Rt = (hsr >> 5) & 0xf; + params.regval = vcpu_get_reg(vcpu, Rt); params.is_write = ((hsr & 1) == 0); params.CRn = (hsr >> 10) & 0xf; params.Op0 = 0; params.Op1 = (hsr >> 14) & 0x7; params.Op2 = (hsr >> 17) & 0x7; - if (!emulate_cp(vcpu, ¶ms, target_specific, nr_specific)) - return 1; - if (!emulate_cp(vcpu, ¶ms, global, nr_global)) + if (!emulate_cp(vcpu, ¶ms, target_specific, nr_specific) || + !emulate_cp(vcpu, ¶ms, global, nr_global)) { + if (!params.is_write) + vcpu_set_reg(vcpu, Rt, params.regval); return 1; + } unhandled_cp_access(vcpu, ¶ms); return 1; @@ -1175,7 +1166,7 @@ int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run) } static int emulate_sys_reg(struct kvm_vcpu *vcpu, - const struct sys_reg_params *params) + struct sys_reg_params *params) { size_t num; const struct sys_reg_desc *table, *r; @@ -1230,6 +1221,8 @@ int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run) { struct sys_reg_params params; unsigned long esr = kvm_vcpu_get_hsr(vcpu); + int Rt = (esr >> 5) & 0x1f; + int ret; trace_kvm_handle_sys_reg(esr); @@ -1240,10 +1233,14 @@ int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run) params.CRn = (esr >> 10) & 0xf; params.CRm = (esr >> 1) & 0xf; params.Op2 = (esr >> 17) & 0x7; - params.Rt = (esr >> 5) & 0x1f; + params.regval = vcpu_get_reg(vcpu, Rt); params.is_write = !(esr & 1); - return emulate_sys_reg(vcpu, ¶ms); + ret = emulate_sys_reg(vcpu, ¶ms); + + if (!params.is_write) + vcpu_set_reg(vcpu, Rt, params.regval); + return ret; } /****************************************************************************** diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h index eaa324e4db4d..dbbb01cfbee9 100644 --- a/arch/arm64/kvm/sys_regs.h +++ b/arch/arm64/kvm/sys_regs.h @@ -28,7 +28,7 @@ struct sys_reg_params { u8 CRn; u8 CRm; u8 Op2; - u8 Rt; + u64 regval; bool is_write; bool is_aarch32; bool is_32bit; /* Only valid if is_aarch32 is true */ @@ -44,7 +44,7 @@ struct sys_reg_desc { /* Trapped access from guest, if non-NULL. */ bool (*access)(struct kvm_vcpu *, - const struct sys_reg_params *, + struct sys_reg_params *, const struct sys_reg_desc *); /* Initialization for vcpu. */ @@ -77,9 +77,9 @@ static inline bool ignore_write(struct kvm_vcpu *vcpu, } static inline bool read_zero(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p) + struct sys_reg_params *p) { - *vcpu_reg(vcpu, p->Rt) = 0; + p->regval = 0; return true; } diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c index 1e4576824165..ed90578fa120 100644 --- a/arch/arm64/kvm/sys_regs_generic_v8.c +++ b/arch/arm64/kvm/sys_regs_generic_v8.c @@ -31,13 +31,13 @@ #include "sys_regs.h" static bool access_actlr(struct kvm_vcpu *vcpu, - const struct sys_reg_params *p, + struct sys_reg_params *p, const struct sys_reg_desc *r) { if (p->is_write) return ignore_write(vcpu, p); - *vcpu_reg(vcpu, p->Rt) = vcpu_sys_reg(vcpu, ACTLR_EL1); + p->regval = vcpu_sys_reg(vcpu, ACTLR_EL1); return true; } diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c index f636a2639f03..e87f53ff5f58 100644 --- a/arch/arm64/mm/context.c +++ b/arch/arm64/mm/context.c @@ -76,13 +76,28 @@ static void flush_context(unsigned int cpu) __flush_icache_all(); } -static int is_reserved_asid(u64 asid) +static bool check_update_reserved_asid(u64 asid, u64 newasid) { int cpu; - for_each_possible_cpu(cpu) - if (per_cpu(reserved_asids, cpu) == asid) - return 1; - return 0; + bool hit = false; + + /* + * Iterate over the set of reserved ASIDs looking for a match. + * If we find one, then we can update our mm to use newasid + * (i.e. the same ASID in the current generation) but we can't + * exit the loop early, since we need to ensure that all copies + * of the old ASID are updated to reflect the mm. Failure to do + * so could result in us missing the reserved ASID in a future + * generation. + */ + for_each_possible_cpu(cpu) { + if (per_cpu(reserved_asids, cpu) == asid) { + hit = true; + per_cpu(reserved_asids, cpu) = newasid; + } + } + + return hit; } static u64 new_context(struct mm_struct *mm, unsigned int cpu) @@ -92,12 +107,14 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) u64 generation = atomic64_read(&asid_generation); if (asid != 0) { + u64 newasid = generation | (asid & ~ASID_MASK); + /* * If our current ASID was active during a rollover, we * can continue to use it and this was just a false alarm. */ - if (is_reserved_asid(asid)) - return generation | (asid & ~ASID_MASK); + if (check_update_reserved_asid(asid, newasid)) + return newasid; /* * We had a valid ASID in a previous life, so try to re-use @@ -105,7 +122,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) */ asid &= ~ASID_MASK; if (!__test_and_set_bit(asid, asid_map)) - goto bump_gen; + return newasid; } /* @@ -129,10 +146,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) set_asid: __set_bit(asid, asid_map); cur_idx = asid; - -bump_gen: - asid |= generation; - return asid; + return asid | generation; } void check_and_switch_context(struct mm_struct *mm, unsigned int cpu) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 131a199114b4..7963aa4b5d28 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -18,6 +18,7 @@ */ #include <linux/gfp.h> +#include <linux/acpi.h> #include <linux/export.h> #include <linux/slab.h> #include <linux/genalloc.h> @@ -28,9 +29,6 @@ #include <asm/cacheflush.h> -struct dma_map_ops *dma_ops; -EXPORT_SYMBOL(dma_ops); - static pgprot_t __get_dma_pgprot(struct dma_attrs *attrs, pgprot_t prot, bool coherent) { @@ -515,13 +513,7 @@ EXPORT_SYMBOL(dummy_dma_ops); static int __init arm64_dma_init(void) { - int ret; - - dma_ops = &swiotlb_dma_ops; - - ret = atomic_pool_init(); - - return ret; + return atomic_pool_init(); } arch_initcall(arm64_dma_init); @@ -552,10 +544,14 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size, { bool coherent = is_device_dma_coherent(dev); int ioprot = dma_direction_to_prot(DMA_BIDIRECTIONAL, coherent); + size_t iosize = size; void *addr; if (WARN(!dev, "cannot create IOMMU mapping for unknown device\n")) return NULL; + + size = PAGE_ALIGN(size); + /* * Some drivers rely on this, and we probably don't want the * possibility of stale kernel data being read by devices anyway. @@ -566,7 +562,7 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size, struct page **pages; pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL, coherent); - pages = iommu_dma_alloc(dev, size, gfp, ioprot, handle, + pages = iommu_dma_alloc(dev, iosize, gfp, ioprot, handle, flush_page); if (!pages) return NULL; @@ -574,7 +570,7 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size, addr = dma_common_pages_remap(pages, size, VM_USERMAP, prot, __builtin_return_address(0)); if (!addr) - iommu_dma_free(dev, pages, size, handle); + iommu_dma_free(dev, pages, iosize, handle); } else { struct page *page; /* @@ -591,7 +587,7 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size, if (!addr) return NULL; - *handle = iommu_dma_map_page(dev, page, 0, size, ioprot); + *handle = iommu_dma_map_page(dev, page, 0, iosize, ioprot); if (iommu_dma_mapping_error(dev, *handle)) { if (coherent) __free_pages(page, get_order(size)); @@ -606,6 +602,9 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size, static void __iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle, struct dma_attrs *attrs) { + size_t iosize = size; + + size = PAGE_ALIGN(size); /* * @cpu_addr will be one of 3 things depending on how it was allocated: * - A remapped array of pages from iommu_dma_alloc(), for all @@ -617,17 +616,17 @@ static void __iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, * Hence how dodgy the below logic looks... */ if (__in_atomic_pool(cpu_addr, size)) { - iommu_dma_unmap_page(dev, handle, size, 0, NULL); + iommu_dma_unmap_page(dev, handle, iosize, 0, NULL); __free_from_pool(cpu_addr, size); } else if (is_vmalloc_addr(cpu_addr)){ struct vm_struct *area = find_vm_area(cpu_addr); if (WARN_ON(!area || !area->pages)) return; - iommu_dma_free(dev, area->pages, size, &handle); + iommu_dma_free(dev, area->pages, iosize, &handle); dma_common_free_remap(cpu_addr, size, VM_USERMAP); } else { - iommu_dma_unmap_page(dev, handle, size, 0, NULL); + iommu_dma_unmap_page(dev, handle, iosize, 0, NULL); __free_pages(virt_to_page(cpu_addr), get_order(size)); } } @@ -984,8 +983,8 @@ static void __iommu_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, struct iommu_ops *iommu, bool coherent) { - if (!acpi_disabled && !dev->archdata.dma_ops) - dev->archdata.dma_ops = dma_ops; + if (!dev->archdata.dma_ops) + dev->archdata.dma_ops = &swiotlb_dma_ops; dev->archdata.dma_coherent = coherent; __iommu_setup_dma_ops(dev, dma_base, size, iommu); diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 19211c4a8911..92ddac1e8ca2 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -393,16 +393,16 @@ static struct fault_info { { do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 1 translation fault" }, { do_translation_fault, SIGSEGV, SEGV_MAPERR, "level 2 translation fault" }, { do_page_fault, SIGSEGV, SEGV_MAPERR, "level 3 translation fault" }, - { do_bad, SIGBUS, 0, "reserved access flag fault" }, + { do_bad, SIGBUS, 0, "unknown 8" }, { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 1 access flag fault" }, { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 access flag fault" }, { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 access flag fault" }, - { do_bad, SIGBUS, 0, "reserved permission fault" }, + { do_bad, SIGBUS, 0, "unknown 12" }, { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 1 permission fault" }, { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 2 permission fault" }, { do_page_fault, SIGSEGV, SEGV_ACCERR, "level 3 permission fault" }, { do_bad, SIGBUS, 0, "synchronous external abort" }, - { do_bad, SIGBUS, 0, "asynchronous external abort" }, + { do_bad, SIGBUS, 0, "unknown 17" }, { do_bad, SIGBUS, 0, "unknown 18" }, { do_bad, SIGBUS, 0, "unknown 19" }, { do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" }, @@ -410,16 +410,16 @@ static struct fault_info { { do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" }, { do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" }, { do_bad, SIGBUS, 0, "synchronous parity error" }, - { do_bad, SIGBUS, 0, "asynchronous parity error" }, + { do_bad, SIGBUS, 0, "unknown 25" }, { do_bad, SIGBUS, 0, "unknown 26" }, { do_bad, SIGBUS, 0, "unknown 27" }, - { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk" }, - { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk" }, - { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk" }, - { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk" }, + { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" }, + { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" }, + { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" }, + { do_bad, SIGBUS, 0, "synchronous parity error (translation table walk)" }, { do_bad, SIGBUS, 0, "unknown 32" }, { do_bad, SIGBUS, BUS_ADRALN, "alignment fault" }, - { do_bad, SIGBUS, 0, "debug event" }, + { do_bad, SIGBUS, 0, "unknown 34" }, { do_bad, SIGBUS, 0, "unknown 35" }, { do_bad, SIGBUS, 0, "unknown 36" }, { do_bad, SIGBUS, 0, "unknown 37" }, @@ -433,21 +433,21 @@ static struct fault_info { { do_bad, SIGBUS, 0, "unknown 45" }, { do_bad, SIGBUS, 0, "unknown 46" }, { do_bad, SIGBUS, 0, "unknown 47" }, - { do_bad, SIGBUS, 0, "unknown 48" }, + { do_bad, SIGBUS, 0, "TLB conflict abort" }, { do_bad, SIGBUS, 0, "unknown 49" }, { do_bad, SIGBUS, 0, "unknown 50" }, { do_bad, SIGBUS, 0, "unknown 51" }, { do_bad, SIGBUS, 0, "implementation fault (lockdown abort)" }, - { do_bad, SIGBUS, 0, "unknown 53" }, + { do_bad, SIGBUS, 0, "implementation fault (unsupported exclusive)" }, { do_bad, SIGBUS, 0, "unknown 54" }, { do_bad, SIGBUS, 0, "unknown 55" }, { do_bad, SIGBUS, 0, "unknown 56" }, { do_bad, SIGBUS, 0, "unknown 57" }, - { do_bad, SIGBUS, 0, "implementation fault (coprocessor abort)" }, + { do_bad, SIGBUS, 0, "unknown 58" }, { do_bad, SIGBUS, 0, "unknown 59" }, { do_bad, SIGBUS, 0, "unknown 60" }, - { do_bad, SIGBUS, 0, "unknown 61" }, - { do_bad, SIGBUS, 0, "unknown 62" }, + { do_bad, SIGBUS, 0, "section domain fault" }, + { do_bad, SIGBUS, 0, "page domain fault" }, { do_bad, SIGBUS, 0, "unknown 63" }, }; diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index e3f563c81c48..873e363048c6 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -64,8 +64,12 @@ EXPORT_SYMBOL(phys_mem_access_prot); static void __init *early_alloc(unsigned long sz) { - void *ptr = __va(memblock_alloc(sz, sz)); - BUG_ON(!ptr); + phys_addr_t phys; + void *ptr; + + phys = memblock_alloc(sz, sz); + BUG_ON(!phys); + ptr = __va(phys); memset(ptr, 0, sz); return ptr; } @@ -81,55 +85,19 @@ static void split_pmd(pmd_t *pmd, pte_t *pte) do { /* * Need to have the least restrictive permissions available - * permissions will be fixed up later. Default the new page - * range as contiguous ptes. + * permissions will be fixed up later */ - set_pte(pte, pfn_pte(pfn, PAGE_KERNEL_EXEC_CONT)); + set_pte(pte, pfn_pte(pfn, PAGE_KERNEL_EXEC)); pfn++; } while (pte++, i++, i < PTRS_PER_PTE); } -/* - * Given a PTE with the CONT bit set, determine where the CONT range - * starts, and clear the entire range of PTE CONT bits. - */ -static void clear_cont_pte_range(pte_t *pte, unsigned long addr) -{ - int i; - - pte -= CONT_RANGE_OFFSET(addr); - for (i = 0; i < CONT_PTES; i++) { - set_pte(pte, pte_mknoncont(*pte)); - pte++; - } - flush_tlb_all(); -} - -/* - * Given a range of PTEs set the pfn and provided page protection flags - */ -static void __populate_init_pte(pte_t *pte, unsigned long addr, - unsigned long end, phys_addr_t phys, - pgprot_t prot) -{ - unsigned long pfn = __phys_to_pfn(phys); - - do { - /* clear all the bits except the pfn, then apply the prot */ - set_pte(pte, pfn_pte(pfn, prot)); - pte++; - pfn++; - addr += PAGE_SIZE; - } while (addr != end); -} - static void alloc_init_pte(pmd_t *pmd, unsigned long addr, - unsigned long end, phys_addr_t phys, + unsigned long end, unsigned long pfn, pgprot_t prot, void *(*alloc)(unsigned long size)) { pte_t *pte; - unsigned long next; if (pmd_none(*pmd) || pmd_sect(*pmd)) { pte = alloc(PTRS_PER_PTE * sizeof(pte_t)); @@ -142,27 +110,9 @@ static void alloc_init_pte(pmd_t *pmd, unsigned long addr, pte = pte_offset_kernel(pmd, addr); do { - next = min(end, (addr + CONT_SIZE) & CONT_MASK); - if (((addr | next | phys) & ~CONT_MASK) == 0) { - /* a block of CONT_PTES */ - __populate_init_pte(pte, addr, next, phys, - __pgprot(pgprot_val(prot) | PTE_CONT)); - } else { - /* - * If the range being split is already inside of a - * contiguous range but this PTE isn't going to be - * contiguous, then we want to unmark the adjacent - * ranges, then update the portion of the range we - * are interrested in. - */ - clear_cont_pte_range(pte, addr); - __populate_init_pte(pte, addr, next, phys, prot); - } - - pte += (next - addr) >> PAGE_SHIFT; - phys += next - addr; - addr = next; - } while (addr != end); + set_pte(pte, pfn_pte(pfn, prot)); + pfn++; + } while (pte++, addr += PAGE_SIZE, addr != end); } static void split_pud(pud_t *old_pud, pmd_t *pmd) @@ -223,7 +173,8 @@ static void alloc_init_pmd(struct mm_struct *mm, pud_t *pud, } } } else { - alloc_init_pte(pmd, addr, next, phys, prot, alloc); + alloc_init_pte(pmd, addr, next, __phys_to_pfn(phys), + prot, alloc); } phys += next - addr; } while (pmd++, addr = next, addr != end); @@ -362,8 +313,8 @@ static void __init __map_memblock(phys_addr_t start, phys_addr_t end) * for now. This will get more fine grained later once all memory * is mapped */ - unsigned long kernel_x_start = round_down(__pa(_stext), SECTION_SIZE); - unsigned long kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); + unsigned long kernel_x_start = round_down(__pa(_stext), SWAPPER_BLOCK_SIZE); + unsigned long kernel_x_end = round_up(__pa(__init_end), SWAPPER_BLOCK_SIZE); if (end < kernel_x_start) { create_mapping(start, __phys_to_virt(start), @@ -451,18 +402,18 @@ static void __init fixup_executable(void) { #ifdef CONFIG_DEBUG_RODATA /* now that we are actually fully mapped, make the start/end more fine grained */ - if (!IS_ALIGNED((unsigned long)_stext, SECTION_SIZE)) { + if (!IS_ALIGNED((unsigned long)_stext, SWAPPER_BLOCK_SIZE)) { unsigned long aligned_start = round_down(__pa(_stext), - SECTION_SIZE); + SWAPPER_BLOCK_SIZE); create_mapping(aligned_start, __phys_to_virt(aligned_start), __pa(_stext) - aligned_start, PAGE_KERNEL); } - if (!IS_ALIGNED((unsigned long)__init_end, SECTION_SIZE)) { + if (!IS_ALIGNED((unsigned long)__init_end, SWAPPER_BLOCK_SIZE)) { unsigned long aligned_end = round_up(__pa(__init_end), - SECTION_SIZE); + SWAPPER_BLOCK_SIZE); create_mapping(__pa(__init_end), (unsigned long)__init_end, aligned_end - __pa(__init_end), PAGE_KERNEL); @@ -475,7 +426,7 @@ void mark_rodata_ro(void) { create_mapping_late(__pa(_stext), (unsigned long)_stext, (unsigned long)_etext - (unsigned long)_stext, - PAGE_KERNEL_EXEC | PTE_RDONLY); + PAGE_KERNEL_ROX); } #endif diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index d6a53ef2350b..b162ad70effc 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -139,6 +139,12 @@ static inline int epilogue_offset(const struct jit_ctx *ctx) /* Stack must be multiples of 16B */ #define STACK_ALIGN(sz) (((sz) + 15) & ~15) +#define _STACK_SIZE \ + (MAX_BPF_STACK \ + + 4 /* extra for skb_copy_bits buffer */) + +#define STACK_SIZE STACK_ALIGN(_STACK_SIZE) + static void build_prologue(struct jit_ctx *ctx) { const u8 r6 = bpf2a64[BPF_REG_6]; @@ -150,10 +156,6 @@ static void build_prologue(struct jit_ctx *ctx) const u8 rx = bpf2a64[BPF_REG_X]; const u8 tmp1 = bpf2a64[TMP_REG_1]; const u8 tmp2 = bpf2a64[TMP_REG_2]; - int stack_size = MAX_BPF_STACK; - - stack_size += 4; /* extra for skb_copy_bits buffer */ - stack_size = STACK_ALIGN(stack_size); /* * BPF prog stack layout @@ -165,12 +167,13 @@ static void build_prologue(struct jit_ctx *ctx) * | ... | callee saved registers * +-----+ * | | x25/x26 - * BPF fp register => -80:+-----+ + * BPF fp register => -80:+-----+ <= (BPF_FP) * | | * | ... | BPF prog stack * | | - * | | - * current A64_SP => +-----+ + * +-----+ <= (BPF_FP - MAX_BPF_STACK) + * |RSVD | JIT scratchpad + * current A64_SP => +-----+ <= (BPF_FP - STACK_SIZE) * | | * | ... | Function call stack * | | @@ -196,7 +199,7 @@ static void build_prologue(struct jit_ctx *ctx) emit(A64_MOV(1, fp, A64_SP), ctx); /* Set up function call stack */ - emit(A64_SUB_I(1, A64_SP, A64_SP, stack_size), ctx); + emit(A64_SUB_I(1, A64_SP, A64_SP, STACK_SIZE), ctx); /* Clear registers A and X */ emit_a64_mov_i64(ra, 0, ctx); @@ -213,13 +216,9 @@ static void build_epilogue(struct jit_ctx *ctx) const u8 fp = bpf2a64[BPF_REG_FP]; const u8 tmp1 = bpf2a64[TMP_REG_1]; const u8 tmp2 = bpf2a64[TMP_REG_2]; - int stack_size = MAX_BPF_STACK; - - stack_size += 4; /* extra for skb_copy_bits buffer */ - stack_size = STACK_ALIGN(stack_size); /* We're done with BPF stack */ - emit(A64_ADD_I(1, A64_SP, A64_SP, stack_size), ctx); + emit(A64_ADD_I(1, A64_SP, A64_SP, STACK_SIZE), ctx); /* Restore fs (x25) and x26 */ emit(A64_POP(fp, A64_R(26), A64_SP), ctx); @@ -591,7 +590,25 @@ emit_cond_jmp: case BPF_ST | BPF_MEM | BPF_H: case BPF_ST | BPF_MEM | BPF_B: case BPF_ST | BPF_MEM | BPF_DW: - goto notyet; + /* Load imm to a register then store it */ + ctx->tmp_used = 1; + emit_a64_mov_i(1, tmp2, off, ctx); + emit_a64_mov_i(1, tmp, imm, ctx); + switch (BPF_SIZE(code)) { + case BPF_W: + emit(A64_STR32(tmp, dst, tmp2), ctx); + break; + case BPF_H: + emit(A64_STRH(tmp, dst, tmp2), ctx); + break; + case BPF_B: + emit(A64_STRB(tmp, dst, tmp2), ctx); + break; + case BPF_DW: + emit(A64_STR64(tmp, dst, tmp2), ctx); + break; + } + break; /* STX: *(size *)(dst + off) = src */ case BPF_STX | BPF_MEM | BPF_W: @@ -658,7 +675,7 @@ emit_cond_jmp: return -EINVAL; } emit_a64_mov_i64(r3, size, ctx); - emit(A64_ADD_I(1, r4, fp, MAX_BPF_STACK), ctx); + emit(A64_SUB_I(1, r4, fp, STACK_SIZE), ctx); emit_a64_mov_i64(r5, (unsigned long)bpf_load_pointer, ctx); emit(A64_PUSH(A64_FP, A64_LR, A64_SP), ctx); emit(A64_MOV(1, A64_FP, A64_SP), ctx); diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c index f7836c6a6b60..c32f76791f48 100644 --- a/arch/m68k/coldfire/m54xx.c +++ b/arch/m68k/coldfire/m54xx.c @@ -98,7 +98,7 @@ static void __init mcf54xx_bootmem_alloc(void) memstart = PAGE_ALIGN(_ramstart); min_low_pfn = PFN_DOWN(_rambase); start_pfn = PFN_DOWN(memstart); - max_low_pfn = PFN_DOWN(_ramend); + max_pfn = max_low_pfn = PFN_DOWN(_ramend); high_memory = (void *)_ramend; m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6; diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 0793a7f17417..f9d96bf86910 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 375 +#define NR_syscalls 376 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index 5e6fae6c275f..36cf129de663 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -380,5 +380,6 @@ #define __NR_sendmmsg 372 #define __NR_userfaultfd 373 #define __NR_membarrier 374 +#define __NR_mlock2 375 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/setup_no.c b/arch/m68k/kernel/setup_no.c index 88c27d94a721..76b9113f3092 100644 --- a/arch/m68k/kernel/setup_no.c +++ b/arch/m68k/kernel/setup_no.c @@ -238,11 +238,14 @@ void __init setup_arch(char **cmdline_p) * Give all the memory to the bootmap allocator, tell it to put the * boot mem_map at the start of memory. */ + min_low_pfn = PFN_DOWN(memory_start); + max_pfn = max_low_pfn = PFN_DOWN(memory_end); + bootmap_size = init_bootmem_node( NODE_DATA(0), - memory_start >> PAGE_SHIFT, /* map goes here */ - PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */ - memory_end >> PAGE_SHIFT); + min_low_pfn, /* map goes here */ + PFN_DOWN(PAGE_OFFSET), + max_pfn); /* * Free the usable memory, we have to make sure we do not free * the bootmem bitmap so we then reserve it after freeing it :-) diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index 5dd0e80042f5..282cd903f4c4 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -395,3 +395,4 @@ ENTRY(sys_call_table) .long sys_sendmmsg .long sys_userfaultfd .long sys_membarrier + .long sys_mlock2 /* 375 */ diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index b958916e5eac..8f37fdd80be9 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -250,7 +250,7 @@ void __init paging_init(void) high_memory = phys_to_virt(max_addr); min_low_pfn = availmem >> PAGE_SHIFT; - max_low_pfn = max_addr >> PAGE_SHIFT; + max_pfn = max_low_pfn = max_addr >> PAGE_SHIFT; for (i = 0; i < m68k_num_memory; i++) { addr = m68k_memory[i].addr; diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c index a8b942bf7163..2a5f43a68ae3 100644 --- a/arch/m68k/sun3/config.c +++ b/arch/m68k/sun3/config.c @@ -118,13 +118,13 @@ static void __init sun3_bootmem_alloc(unsigned long memory_start, memory_end = memory_end & PAGE_MASK; start_page = __pa(memory_start) >> PAGE_SHIFT; - num_pages = __pa(memory_end) >> PAGE_SHIFT; + max_pfn = num_pages = __pa(memory_end) >> PAGE_SHIFT; high_memory = (void *)memory_end; availmem = memory_start; m68k_setup_node(0); - availmem += init_bootmem_node(NODE_DATA(0), start_page, 0, num_pages); + availmem += init_bootmem(start_page, num_pages); availmem = (availmem + (PAGE_SIZE-1)) & PAGE_MASK; free_bootmem(__pa(availmem), memory_end - (availmem)); diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c index 1ba21204ebe0..8755d618e116 100644 --- a/arch/mips/ath79/setup.c +++ b/arch/mips/ath79/setup.c @@ -216,9 +216,9 @@ void __init plat_mem_setup(void) AR71XX_RESET_SIZE); ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE); + ath79_detect_sys_type(); ath79_ddr_ctrl_init(); - ath79_detect_sys_type(); if (mips_machtype != ATH79_MACH_GENERIC_OF) detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX); @@ -281,3 +281,8 @@ MIPS_MACHINE(ATH79_MACH_GENERIC, "Generic", "Generic AR71XX/AR724X/AR913X based board", ath79_generic_init); + +MIPS_MACHINE(ATH79_MACH_GENERIC_OF, + "DTB", + "Generic AR71XX/AR724X/AR913X based board (DT)", + NULL); diff --git a/arch/mips/boot/dts/qca/ar9132.dtsi b/arch/mips/boot/dts/qca/ar9132.dtsi index fb7734eadbf0..13d0439496a9 100644 --- a/arch/mips/boot/dts/qca/ar9132.dtsi +++ b/arch/mips/boot/dts/qca/ar9132.dtsi @@ -107,7 +107,7 @@ miscintc: interrupt-controller@18060010 { compatible = "qca,ar9132-misc-intc", "qca,ar7100-misc-intc"; - reg = <0x18060010 0x4>; + reg = <0x18060010 0x8>; interrupt-parent = <&cpuintc>; interrupts = <6>; diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index ad1fccdb8d13..2046c0230224 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -200,8 +200,9 @@ static inline int pfn_valid(unsigned long pfn) { /* avoid <linux/mm.h> include hell */ extern unsigned long max_mapnr; + unsigned long pfn_offset = ARCH_PFN_OFFSET; - return pfn >= ARCH_PFN_OFFSET && pfn < max_mapnr; + return pfn >= pfn_offset && pfn < max_mapnr; } #elif defined(CONFIG_SPARSEMEM) diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c index d5fa3eaf39a1..41b1b090f56f 100644 --- a/arch/mips/kvm/emulate.c +++ b/arch/mips/kvm/emulate.c @@ -1581,7 +1581,7 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc, base = (inst >> 21) & 0x1f; op_inst = (inst >> 16) & 0x1f; - offset = inst & 0xffff; + offset = (int16_t)inst; cache = (inst >> 16) & 0x3; op = (inst >> 18) & 0x7; diff --git a/arch/mips/kvm/locore.S b/arch/mips/kvm/locore.S index 7bab3a4e8f7d..7e2210846b8b 100644 --- a/arch/mips/kvm/locore.S +++ b/arch/mips/kvm/locore.S @@ -157,9 +157,11 @@ FEXPORT(__kvm_mips_vcpu_run) FEXPORT(__kvm_mips_load_asid) /* Set the ASID for the Guest Kernel */ - INT_SLL t0, t0, 1 /* with kseg0 @ 0x40000000, kernel */ - /* addresses shift to 0x80000000 */ - bltz t0, 1f /* If kernel */ + PTR_L t0, VCPU_COP0(k1) + LONG_L t0, COP0_STATUS(t0) + andi t0, KSU_USER | ST0_ERL | ST0_EXL + xori t0, KSU_USER + bnez t0, 1f /* If kernel */ INT_ADDIU t1, k1, VCPU_GUEST_KERNEL_ASID /* (BD) */ INT_ADDIU t1, k1, VCPU_GUEST_USER_ASID /* else user */ 1: @@ -474,9 +476,11 @@ __kvm_mips_return_to_guest: mtc0 t0, CP0_EPC /* Set the ASID for the Guest Kernel */ - INT_SLL t0, t0, 1 /* with kseg0 @ 0x40000000, kernel */ - /* addresses shift to 0x80000000 */ - bltz t0, 1f /* If kernel */ + PTR_L t0, VCPU_COP0(k1) + LONG_L t0, COP0_STATUS(t0) + andi t0, KSU_USER | ST0_ERL | ST0_EXL + xori t0, KSU_USER + bnez t0, 1f /* If kernel */ INT_ADDIU t1, k1, VCPU_GUEST_KERNEL_ASID /* (BD) */ INT_ADDIU t1, k1, VCPU_GUEST_USER_ASID /* else user */ 1: diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 49ff3bfc007e..b9b803facdbf 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -279,7 +279,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id) if (!gebase) { err = -ENOMEM; - goto out_free_cpu; + goto out_uninit_cpu; } kvm_debug("Allocated %d bytes for KVM Exception Handlers @ %p\n", ALIGN(size, PAGE_SIZE), gebase); @@ -343,6 +343,9 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id) out_free_gebase: kfree(gebase); +out_uninit_cpu: + kvm_vcpu_uninit(vcpu); + out_free_cpu: kfree(vcpu); diff --git a/arch/mips/pci/pci-rt2880.c b/arch/mips/pci/pci-rt2880.c index 8a978022630b..dbbeccc3d714 100644 --- a/arch/mips/pci/pci-rt2880.c +++ b/arch/mips/pci/pci-rt2880.c @@ -11,6 +11,7 @@ * by the Free Software Foundation. */ +#include <linux/delay.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/io.h> @@ -232,8 +233,7 @@ static int rt288x_pci_probe(struct platform_device *pdev) ioport_resource.end = RT2880_PCI_IO_BASE + RT2880_PCI_IO_SIZE - 1; rt2880_pci_reg_write(0, RT2880_PCI_REG_PCICFG_ADDR); - for (i = 0; i < 0xfffff; i++) - ; + udelay(1); rt2880_pci_reg_write(0x79, RT2880_PCI_REG_ARBCTL); rt2880_pci_reg_write(0x07FF0001, RT2880_PCI_REG_BAR0SETUP_ADDR); diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c index 4f925e06c414..78b2ef49dbc7 100644 --- a/arch/mips/pmcs-msp71xx/msp_setup.c +++ b/arch/mips/pmcs-msp71xx/msp_setup.c @@ -10,6 +10,8 @@ * option) any later version. */ +#include <linux/delay.h> + #include <asm/bootinfo.h> #include <asm/cacheflush.h> #include <asm/idle.h> @@ -77,7 +79,7 @@ void msp7120_reset(void) */ /* Wait a bit for the DDRC to settle */ - for (i = 0; i < 100000000; i++); + mdelay(125); #if defined(CONFIG_PMC_MSP7120_GW) /* diff --git a/arch/mips/sni/reset.c b/arch/mips/sni/reset.c index 244f9427625b..db8f88b6a3af 100644 --- a/arch/mips/sni/reset.c +++ b/arch/mips/sni/reset.c @@ -3,6 +3,8 @@ * * Reset a SNI machine. */ +#include <linux/delay.h> + #include <asm/io.h> #include <asm/reboot.h> #include <asm/sni.h> @@ -32,9 +34,9 @@ void sni_machine_restart(char *command) for (;;) { for (i = 0; i < 100; i++) { kb_wait(); - for (j = 0; j < 100000 ; j++) - /* nothing */; + udelay(50); outb_p(0xfe, 0x64); /* pulse reset low */ + udelay(50); } } } diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig index 4434b54e1d87..78ae5552fdb8 100644 --- a/arch/mn10300/Kconfig +++ b/arch/mn10300/Kconfig @@ -1,6 +1,7 @@ config MN10300 def_bool y select HAVE_OPROFILE + select HAVE_UID16 select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION select HAVE_ARCH_TRACEHOOK @@ -37,9 +38,6 @@ config HIGHMEM config NUMA def_bool n -config UID16 - def_bool y - config RWSEM_GENERIC_SPINLOCK def_bool y diff --git a/arch/nios2/mm/cacheflush.c b/arch/nios2/mm/cacheflush.c index 223cdcc8203f..87bf88ed04c6 100644 --- a/arch/nios2/mm/cacheflush.c +++ b/arch/nios2/mm/cacheflush.c @@ -23,22 +23,6 @@ static void __flush_dcache(unsigned long start, unsigned long end) end += (cpuinfo.dcache_line_size - 1); end &= ~(cpuinfo.dcache_line_size - 1); - for (addr = start; addr < end; addr += cpuinfo.dcache_line_size) { - __asm__ __volatile__ (" flushda 0(%0)\n" - : /* Outputs */ - : /* Inputs */ "r"(addr) - /* : No clobber */); - } -} - -static void __flush_dcache_all(unsigned long start, unsigned long end) -{ - unsigned long addr; - - start &= ~(cpuinfo.dcache_line_size - 1); - end += (cpuinfo.dcache_line_size - 1); - end &= ~(cpuinfo.dcache_line_size - 1); - if (end > start + cpuinfo.dcache_size) end = start + cpuinfo.dcache_size; @@ -112,7 +96,7 @@ static void flush_aliases(struct address_space *mapping, struct page *page) void flush_cache_all(void) { - __flush_dcache_all(0, cpuinfo.dcache_size); + __flush_dcache(0, cpuinfo.dcache_size); __flush_icache(0, cpuinfo.icache_size); } @@ -182,7 +166,7 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page) */ unsigned long start = (unsigned long)page_address(page); - __flush_dcache_all(start, start + PAGE_SIZE); + __flush_dcache(start, start + PAGE_SIZE); } void flush_dcache_page(struct page *page) @@ -268,7 +252,7 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page, { flush_cache_page(vma, user_vaddr, page_to_pfn(page)); memcpy(dst, src, len); - __flush_dcache_all((unsigned long)src, (unsigned long)src + len); + __flush_dcache((unsigned long)src, (unsigned long)src + len); if (vma->vm_flags & VM_EXEC) __flush_icache((unsigned long)src, (unsigned long)src + len); } @@ -279,7 +263,7 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, { flush_cache_page(vma, user_vaddr, page_to_pfn(page)); memcpy(dst, src, len); - __flush_dcache_all((unsigned long)dst, (unsigned long)dst + len); + __flush_dcache((unsigned long)dst, (unsigned long)dst + len); if (vma->vm_flags & VM_EXEC) __flush_icache((unsigned long)dst, (unsigned long)dst + len); } diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index c36546959e86..729f89163bc3 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -108,6 +108,9 @@ config PGTABLE_LEVELS default 3 if 64BIT && PARISC_PAGE_SIZE_4KB default 2 +config SYS_SUPPORTS_HUGETLBFS + def_bool y if PA20 + source "init/Kconfig" source "kernel/Kconfig.freezer" diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h new file mode 100644 index 000000000000..7d56a9ccb752 --- /dev/null +++ b/arch/parisc/include/asm/hugetlb.h @@ -0,0 +1,85 @@ +#ifndef _ASM_PARISC64_HUGETLB_H +#define _ASM_PARISC64_HUGETLB_H + +#include <asm/page.h> +#include <asm-generic/hugetlb.h> + + +void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte); + +pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep); + +static inline int is_hugepage_only_range(struct mm_struct *mm, + unsigned long addr, + unsigned long len) { + return 0; +} + +/* + * If the arch doesn't supply something else, assume that hugepage + * size aligned regions are ok without further preparation. + */ +static inline int prepare_hugepage_range(struct file *file, + unsigned long addr, unsigned long len) +{ + if (len & ~HPAGE_MASK) + return -EINVAL; + if (addr & ~HPAGE_MASK) + return -EINVAL; + return 0; +} + +static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, + unsigned long addr, unsigned long end, + unsigned long floor, + unsigned long ceiling) +{ + free_pgd_range(tlb, addr, end, floor, ceiling); +} + +static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) +{ +} + +static inline int huge_pte_none(pte_t pte) +{ + return pte_none(pte); +} + +static inline pte_t huge_pte_wrprotect(pte_t pte) +{ + return pte_wrprotect(pte); +} + +static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + pte_t old_pte = *ptep; + set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); +} + +static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t pte, int dirty) +{ + int changed = !pte_same(*ptep, pte); + if (changed) { + set_huge_pte_at(vma->vm_mm, addr, ptep, pte); + flush_tlb_page(vma, addr); + } + return changed; +} + +static inline pte_t huge_ptep_get(pte_t *ptep) +{ + return *ptep; +} + +static inline void arch_clear_hugepage_flags(struct page *page) +{ +} + +#endif /* _ASM_PARISC64_HUGETLB_H */ diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h index 60d5d174dfe4..80e742a1c162 100644 --- a/arch/parisc/include/asm/page.h +++ b/arch/parisc/include/asm/page.h @@ -145,11 +145,22 @@ extern int npmem_ranges; #endif /* CONFIG_DISCONTIGMEM */ #ifdef CONFIG_HUGETLB_PAGE -#define HPAGE_SHIFT 22 /* 4MB (is this fixed?) */ +#define HPAGE_SHIFT PMD_SHIFT /* fixed for transparent huge pages */ #define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) + +#if defined(CONFIG_64BIT) && defined(CONFIG_PARISC_PAGE_SIZE_4KB) +# define REAL_HPAGE_SHIFT 20 /* 20 = 1MB */ +# define _HUGE_PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_1M +#elif !defined(CONFIG_64BIT) && defined(CONFIG_PARISC_PAGE_SIZE_4KB) +# define REAL_HPAGE_SHIFT 22 /* 22 = 4MB */ +# define _HUGE_PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_4M +#else +# define REAL_HPAGE_SHIFT 24 /* 24 = 16MB */ +# define _HUGE_PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_16M #endif +#endif /* CONFIG_HUGETLB_PAGE */ #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h index 3edbb9fc91b4..f2fd327dce2e 100644 --- a/arch/parisc/include/asm/pgalloc.h +++ b/arch/parisc/include/asm/pgalloc.h @@ -35,7 +35,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) PxD_FLAG_VALID | PxD_FLAG_ATTACHED) + (__u32)(__pa((unsigned long)pgd) >> PxD_VALUE_SHIFT)); - /* The first pmd entry also is marked with _PAGE_GATEWAY as + /* The first pmd entry also is marked with PxD_FLAG_ATTACHED as * a signal that this pmd may not be freed */ __pgd_val_set(*pgd, PxD_FLAG_ATTACHED); #endif diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index f93c4a4e6580..d8534f95915a 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -83,7 +83,11 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, (unsigned long)pgd_val(e)) /* This is the size of the initially mapped kernel memory */ -#define KERNEL_INITIAL_ORDER 24 /* 0 to 1<<24 = 16MB */ +#ifdef CONFIG_64BIT +#define KERNEL_INITIAL_ORDER 25 /* 1<<25 = 32MB */ +#else +#define KERNEL_INITIAL_ORDER 24 /* 1<<24 = 16MB */ +#endif #define KERNEL_INITIAL_SIZE (1 << KERNEL_INITIAL_ORDER) #if CONFIG_PGTABLE_LEVELS == 3 @@ -167,7 +171,7 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) #define _PAGE_NO_CACHE_BIT 24 /* (0x080) Uncached Page (U bit) */ #define _PAGE_ACCESSED_BIT 23 /* (0x100) Software: Page Accessed */ #define _PAGE_PRESENT_BIT 22 /* (0x200) Software: translation valid */ -/* bit 21 was formerly the FLUSH bit but is now unused */ +#define _PAGE_HPAGE_BIT 21 /* (0x400) Software: Huge Page */ #define _PAGE_USER_BIT 20 /* (0x800) Software: User accessible page */ /* N.B. The bits are defined in terms of a 32 bit word above, so the */ @@ -194,6 +198,7 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) #define _PAGE_NO_CACHE (1 << xlate_pabit(_PAGE_NO_CACHE_BIT)) #define _PAGE_ACCESSED (1 << xlate_pabit(_PAGE_ACCESSED_BIT)) #define _PAGE_PRESENT (1 << xlate_pabit(_PAGE_PRESENT_BIT)) +#define _PAGE_HUGE (1 << xlate_pabit(_PAGE_HPAGE_BIT)) #define _PAGE_USER (1 << xlate_pabit(_PAGE_USER_BIT)) #define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | _PAGE_DIRTY | _PAGE_ACCESSED) @@ -217,7 +222,7 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) #define PxD_FLAG_VALID (1 << xlate_pabit(_PxD_VALID_BIT)) #define PxD_FLAG_MASK (0xf) #define PxD_FLAG_SHIFT (4) -#define PxD_VALUE_SHIFT (8) /* (PAGE_SHIFT-PxD_FLAG_SHIFT) */ +#define PxD_VALUE_SHIFT (PFN_PTE_SHIFT-PxD_FLAG_SHIFT) #ifndef __ASSEMBLY__ @@ -363,6 +368,18 @@ static inline pte_t pte_mkwrite(pte_t pte) { pte_val(pte) |= _PAGE_WRITE; return static inline pte_t pte_mkspecial(pte_t pte) { return pte; } /* + * Huge pte definitions. + */ +#ifdef CONFIG_HUGETLB_PAGE +#define pte_huge(pte) (pte_val(pte) & _PAGE_HUGE) +#define pte_mkhuge(pte) (__pte(pte_val(pte) | _PAGE_HUGE)) +#else +#define pte_huge(pte) (0) +#define pte_mkhuge(pte) (pte) +#endif + + +/* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. */ @@ -410,8 +427,9 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) /* Find an entry in the second-level page table.. */ #if CONFIG_PGTABLE_LEVELS == 3 +#define pmd_index(addr) (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)) #define pmd_offset(dir,address) \ -((pmd_t *) pgd_page_vaddr(*(dir)) + (((address)>>PMD_SHIFT) & (PTRS_PER_PMD-1))) +((pmd_t *) pgd_page_vaddr(*(dir)) + pmd_index(address)) #else #define pmd_offset(dir,addr) ((pmd_t *) dir) #endif diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index 54adb60c0a42..7e759ecb1343 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -192,33 +192,6 @@ void show_trace(struct task_struct *task, unsigned long *stack); */ typedef unsigned int elf_caddr_t; -#define start_thread_som(regs, new_pc, new_sp) do { \ - unsigned long *sp = (unsigned long *)new_sp; \ - __u32 spaceid = (__u32)current->mm->context; \ - unsigned long pc = (unsigned long)new_pc; \ - /* offset pc for priv. level */ \ - pc |= 3; \ - \ - regs->iasq[0] = spaceid; \ - regs->iasq[1] = spaceid; \ - regs->iaoq[0] = pc; \ - regs->iaoq[1] = pc + 4; \ - regs->sr[2] = LINUX_GATEWAY_SPACE; \ - regs->sr[3] = 0xffff; \ - regs->sr[4] = spaceid; \ - regs->sr[5] = spaceid; \ - regs->sr[6] = spaceid; \ - regs->sr[7] = spaceid; \ - regs->gr[ 0] = USER_PSW; \ - regs->gr[30] = ((new_sp)+63)&~63; \ - regs->gr[31] = pc; \ - \ - get_user(regs->gr[26],&sp[0]); \ - get_user(regs->gr[25],&sp[-1]); \ - get_user(regs->gr[24],&sp[-2]); \ - get_user(regs->gr[23],&sp[-3]); \ -} while(0) - /* The ELF abi wants things done a "wee bit" differently than * som does. Supporting this behavior here avoids * having our own version of create_elf_tables. diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h index ecc3ae1ca28e..dd4d1876a020 100644 --- a/arch/parisc/include/uapi/asm/mman.h +++ b/arch/parisc/include/uapi/asm/mman.h @@ -49,16 +49,6 @@ #define MADV_DONTFORK 10 /* don't inherit across fork */ #define MADV_DOFORK 11 /* do inherit across fork */ -/* The range 12-64 is reserved for page size specification. */ -#define MADV_4K_PAGES 12 /* Use 4K pages */ -#define MADV_16K_PAGES 14 /* Use 16K pages */ -#define MADV_64K_PAGES 16 /* Use 64K pages */ -#define MADV_256K_PAGES 18 /* Use 256K pages */ -#define MADV_1M_PAGES 20 /* Use 1 Megabyte pages */ -#define MADV_4M_PAGES 22 /* Use 4 Megabyte pages */ -#define MADV_16M_PAGES 24 /* Use 16 Megabyte pages */ -#define MADV_64M_PAGES 26 /* Use 64 Megabyte pages */ - #define MADV_MERGEABLE 65 /* KSM may merge identical pages */ #define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */ diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index 59001cea13f9..d2f62570a7b1 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -290,6 +290,14 @@ int main(void) DEFINE(ASM_PFN_PTE_SHIFT, PFN_PTE_SHIFT); DEFINE(ASM_PT_INITIAL, PT_INITIAL); BLANK(); + /* HUGEPAGE_SIZE is only used in vmlinux.lds.S to align kernel text + * and kernel data on physical huge pages */ +#ifdef CONFIG_HUGETLB_PAGE + DEFINE(HUGEPAGE_SIZE, 1UL << REAL_HPAGE_SHIFT); +#else + DEFINE(HUGEPAGE_SIZE, PAGE_SIZE); +#endif + BLANK(); DEFINE(EXCDATA_IP, offsetof(struct exception_data, fault_ip)); DEFINE(EXCDATA_SPACE, offsetof(struct exception_data, fault_space)); DEFINE(EXCDATA_ADDR, offsetof(struct exception_data, fault_addr)); diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index c5ef4081b01d..623496c11756 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -502,21 +502,38 @@ STREG \pte,0(\ptp) .endm + /* We have (depending on the page size): + * - 38 to 52-bit Physical Page Number + * - 12 to 26-bit page offset + */ /* bitshift difference between a PFN (based on kernel's PAGE_SIZE) * to a CPU TLB 4k PFN (4k => 12 bits to shift) */ - #define PAGE_ADD_SHIFT (PAGE_SHIFT-12) + #define PAGE_ADD_SHIFT (PAGE_SHIFT-12) + #define PAGE_ADD_HUGE_SHIFT (REAL_HPAGE_SHIFT-12) /* Drop prot bits and convert to page addr for iitlbt and idtlbt */ - .macro convert_for_tlb_insert20 pte + .macro convert_for_tlb_insert20 pte,tmp +#ifdef CONFIG_HUGETLB_PAGE + copy \pte,\tmp + extrd,u \tmp,(63-ASM_PFN_PTE_SHIFT)+(63-58)+PAGE_ADD_SHIFT,\ + 64-PAGE_SHIFT-PAGE_ADD_SHIFT,\pte + + depdi _PAGE_SIZE_ENCODING_DEFAULT,63,\ + (63-58)+PAGE_ADD_SHIFT,\pte + extrd,u,*= \tmp,_PAGE_HPAGE_BIT+32,1,%r0 + depdi _HUGE_PAGE_SIZE_ENCODING_DEFAULT,63,\ + (63-58)+PAGE_ADD_HUGE_SHIFT,\pte +#else /* Huge pages disabled */ extrd,u \pte,(63-ASM_PFN_PTE_SHIFT)+(63-58)+PAGE_ADD_SHIFT,\ 64-PAGE_SHIFT-PAGE_ADD_SHIFT,\pte depdi _PAGE_SIZE_ENCODING_DEFAULT,63,\ (63-58)+PAGE_ADD_SHIFT,\pte +#endif .endm /* Convert the pte and prot to tlb insertion values. How * this happens is quite subtle, read below */ - .macro make_insert_tlb spc,pte,prot + .macro make_insert_tlb spc,pte,prot,tmp space_to_prot \spc \prot /* create prot id from space */ /* The following is the real subtlety. This is depositing * T <-> _PAGE_REFTRAP @@ -553,7 +570,7 @@ depdi 1,12,1,\prot /* Drop prot bits and convert to page addr for iitlbt and idtlbt */ - convert_for_tlb_insert20 \pte + convert_for_tlb_insert20 \pte \tmp .endm /* Identical macro to make_insert_tlb above, except it @@ -646,17 +663,12 @@ /* - * Align fault_vector_20 on 4K boundary so that both - * fault_vector_11 and fault_vector_20 are on the - * same page. This is only necessary as long as we - * write protect the kernel text, which we may stop - * doing once we use large page translations to cover - * the static part of the kernel address space. + * Fault_vectors are architecturally required to be aligned on a 2K + * boundary */ .text - - .align 4096 + .align 2048 ENTRY(fault_vector_20) /* First vector is invalid (0) */ @@ -1147,7 +1159,7 @@ dtlb_miss_20w: tlb_lock spc,ptp,pte,t0,t1,dtlb_check_alias_20w update_accessed ptp,pte,t0,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 idtlbt pte,prot @@ -1173,7 +1185,7 @@ nadtlb_miss_20w: tlb_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_20w update_accessed ptp,pte,t0,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 idtlbt pte,prot @@ -1267,7 +1279,7 @@ dtlb_miss_20: tlb_lock spc,ptp,pte,t0,t1,dtlb_check_alias_20 update_accessed ptp,pte,t0,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 f_extend pte,t1 @@ -1295,7 +1307,7 @@ nadtlb_miss_20: tlb_lock spc,ptp,pte,t0,t1,nadtlb_check_alias_20 update_accessed ptp,pte,t0,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 f_extend pte,t1 @@ -1404,7 +1416,7 @@ itlb_miss_20w: tlb_lock spc,ptp,pte,t0,t1,itlb_fault update_accessed ptp,pte,t0,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 iitlbt pte,prot @@ -1428,7 +1440,7 @@ naitlb_miss_20w: tlb_lock spc,ptp,pte,t0,t1,naitlb_check_alias_20w update_accessed ptp,pte,t0,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 iitlbt pte,prot @@ -1514,7 +1526,7 @@ itlb_miss_20: tlb_lock spc,ptp,pte,t0,t1,itlb_fault update_accessed ptp,pte,t0,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 f_extend pte,t1 @@ -1534,7 +1546,7 @@ naitlb_miss_20: tlb_lock spc,ptp,pte,t0,t1,naitlb_check_alias_20 update_accessed ptp,pte,t0,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 f_extend pte,t1 @@ -1566,7 +1578,7 @@ dbit_trap_20w: tlb_lock spc,ptp,pte,t0,t1,dbit_fault update_dirty ptp,pte,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 idtlbt pte,prot @@ -1610,7 +1622,7 @@ dbit_trap_20: tlb_lock spc,ptp,pte,t0,t1,dbit_fault update_dirty ptp,pte,t1 - make_insert_tlb spc,pte,prot + make_insert_tlb spc,pte,prot,t1 f_extend pte,t1 diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S index e7d64527aff9..75aa0db9f69e 100644 --- a/arch/parisc/kernel/head.S +++ b/arch/parisc/kernel/head.S @@ -69,7 +69,7 @@ $bss_loop: stw,ma %arg2,4(%r1) stw,ma %arg3,4(%r1) - /* Initialize startup VM. Just map first 8/16 MB of memory */ + /* Initialize startup VM. Just map first 16/32 MB of memory */ load32 PA(swapper_pg_dir),%r4 mtctl %r4,%cr24 /* Initialize kernel root pointer */ mtctl %r4,%cr25 /* Initialize user root pointer */ @@ -107,7 +107,7 @@ $bss_loop: /* Now initialize the PTEs themselves. We use RWX for * everything ... it will get remapped correctly later */ ldo 0+_PAGE_KERNEL_RWX(%r0),%r3 /* Hardwired 0 phys addr start */ - ldi (1<<(KERNEL_INITIAL_ORDER-PAGE_SHIFT)),%r11 /* PFN count */ + load32 (1<<(KERNEL_INITIAL_ORDER-PAGE_SHIFT)),%r11 /* PFN count */ load32 PA(pg0),%r1 $pgt_fill_loop: diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index 72a3c658ad7b..f7ea626e29c9 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -130,7 +130,16 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "The 32-bit Kernel has started...\n"); #endif - printk(KERN_INFO "Default page size is %dKB.\n", (int)(PAGE_SIZE / 1024)); + printk(KERN_INFO "Kernel default page size is %d KB. Huge pages ", + (int)(PAGE_SIZE / 1024)); +#ifdef CONFIG_HUGETLB_PAGE + printk(KERN_CONT "enabled with %d MB physical and %d MB virtual size", + 1 << (REAL_HPAGE_SHIFT - 20), 1 << (HPAGE_SHIFT - 20)); +#else + printk(KERN_CONT "disabled"); +#endif + printk(KERN_CONT ".\n"); + pdc_console_init(); @@ -377,6 +386,7 @@ arch_initcall(parisc_init); void start_parisc(void) { extern void start_kernel(void); + extern void early_trap_init(void); int ret, cpunum; struct pdc_coproc_cfg coproc_cfg; @@ -397,6 +407,8 @@ void start_parisc(void) panic("must have an fpu to boot linux"); } + early_trap_init(); /* initialize checksum of fault_vector */ + start_kernel(); // not reached } diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 0b8d26d3ba43..3fbd7252a4b2 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -369,7 +369,7 @@ tracesys_exit: ldo -16(%r30),%r29 /* Reference param save area */ #endif ldo TASK_REGS(%r1),%r26 - bl do_syscall_trace_exit,%r2 + BL do_syscall_trace_exit,%r2 STREG %r28,TASK_PT_GR28(%r1) /* save return value now */ ldo -THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* get task ptr */ LDREG TI_TASK(%r1), %r1 @@ -390,7 +390,7 @@ tracesys_sigexit: #ifdef CONFIG_64BIT ldo -16(%r30),%r29 /* Reference param save area */ #endif - bl do_syscall_trace_exit,%r2 + BL do_syscall_trace_exit,%r2 ldo TASK_REGS(%r1),%r26 ldil L%syscall_exit_rfi,%r1 diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index b99b39f1da02..553b09855cfd 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -807,7 +807,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) } -int __init check_ivt(void *iva) +void __init initialize_ivt(const void *iva) { extern u32 os_hpmc_size; extern const u32 os_hpmc[]; @@ -818,8 +818,8 @@ int __init check_ivt(void *iva) u32 *hpmcp; u32 length; - if (strcmp((char *)iva, "cows can fly")) - return -1; + if (strcmp((const char *)iva, "cows can fly")) + panic("IVT invalid"); ivap = (u32 *)iva; @@ -839,28 +839,23 @@ int __init check_ivt(void *iva) check += ivap[i]; ivap[5] = -check; - - return 0; } -#ifndef CONFIG_64BIT -extern const void fault_vector_11; -#endif -extern const void fault_vector_20; -void __init trap_init(void) +/* early_trap_init() is called before we set up kernel mappings and + * write-protect the kernel */ +void __init early_trap_init(void) { - void *iva; + extern const void fault_vector_20; - if (boot_cpu_data.cpu_type >= pcxu) - iva = (void *) &fault_vector_20; - else -#ifdef CONFIG_64BIT - panic("Can't boot 64-bit OS on PA1.1 processor!"); -#else - iva = (void *) &fault_vector_11; +#ifndef CONFIG_64BIT + extern const void fault_vector_11; + initialize_ivt(&fault_vector_11); #endif - if (check_ivt(iva)) - panic("IVT invalid"); + initialize_ivt(&fault_vector_20); +} + +void __init trap_init(void) +{ } diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index 0dacc5ca555a..308f29081d46 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -60,7 +60,7 @@ SECTIONS EXIT_DATA } PERCPU_SECTION(8) - . = ALIGN(PAGE_SIZE); + . = ALIGN(HUGEPAGE_SIZE); __init_end = .; /* freed after init ends here */ @@ -116,7 +116,7 @@ SECTIONS * that we can properly leave these * as writable */ - . = ALIGN(PAGE_SIZE); + . = ALIGN(HUGEPAGE_SIZE); data_start = .; EXCEPTION_TABLE(8) @@ -135,8 +135,11 @@ SECTIONS _edata = .; /* BSS */ - BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 8) + BSS_SECTION(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE) + + /* bootmap is allocated in setup_bootmem() directly behind bss. */ + . = ALIGN(HUGEPAGE_SIZE); _end = . ; STABS_DEBUG diff --git a/arch/parisc/mm/Makefile b/arch/parisc/mm/Makefile index 758ceefb373a..134393de69d2 100644 --- a/arch/parisc/mm/Makefile +++ b/arch/parisc/mm/Makefile @@ -3,3 +3,4 @@ # obj-y := init.o fault.o ioremap.o +obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c new file mode 100644 index 000000000000..f6fdc77a72bd --- /dev/null +++ b/arch/parisc/mm/hugetlbpage.c @@ -0,0 +1,161 @@ +/* + * PARISC64 Huge TLB page support. + * + * This parisc implementation is heavily based on the SPARC and x86 code. + * + * Copyright (C) 2015 Helge Deller <deller@gmx.de> + */ + +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/hugetlb.h> +#include <linux/pagemap.h> +#include <linux/sysctl.h> + +#include <asm/mman.h> +#include <asm/pgalloc.h> +#include <asm/tlb.h> +#include <asm/tlbflush.h> +#include <asm/cacheflush.h> +#include <asm/mmu_context.h> + + +unsigned long +hugetlb_get_unmapped_area(struct file *file, unsigned long addr, + unsigned long len, unsigned long pgoff, unsigned long flags) +{ + struct hstate *h = hstate_file(file); + + if (len & ~huge_page_mask(h)) + return -EINVAL; + if (len > TASK_SIZE) + return -ENOMEM; + + if (flags & MAP_FIXED) + if (prepare_hugepage_range(file, addr, len)) + return -EINVAL; + + if (addr) + addr = ALIGN(addr, huge_page_size(h)); + + /* we need to make sure the colouring is OK */ + return arch_get_unmapped_area(file, addr, len, pgoff, flags); +} + + +pte_t *huge_pte_alloc(struct mm_struct *mm, + unsigned long addr, unsigned long sz) +{ + pgd_t *pgd; + pud_t *pud; + pmd_t *pmd; + pte_t *pte = NULL; + + /* We must align the address, because our caller will run + * set_huge_pte_at() on whatever we return, which writes out + * all of the sub-ptes for the hugepage range. So we have + * to give it the first such sub-pte. + */ + addr &= HPAGE_MASK; + + pgd = pgd_offset(mm, addr); + pud = pud_alloc(mm, pgd, addr); + if (pud) { + pmd = pmd_alloc(mm, pud, addr); + if (pmd) + pte = pte_alloc_map(mm, NULL, pmd, addr); + } + return pte; +} + +pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) +{ + pgd_t *pgd; + pud_t *pud; + pmd_t *pmd; + pte_t *pte = NULL; + + addr &= HPAGE_MASK; + + pgd = pgd_offset(mm, addr); + if (!pgd_none(*pgd)) { + pud = pud_offset(pgd, addr); + if (!pud_none(*pud)) { + pmd = pmd_offset(pud, addr); + if (!pmd_none(*pmd)) + pte = pte_offset_map(pmd, addr); + } + } + return pte; +} + +/* Purge data and instruction TLB entries. Must be called holding + * the pa_tlb_lock. The TLB purge instructions are slow on SMP + * machines since the purge must be broadcast to all CPUs. + */ +static inline void purge_tlb_entries_huge(struct mm_struct *mm, unsigned long addr) +{ + int i; + + /* We may use multiple physical huge pages (e.g. 2x1 MB) to emulate + * Linux standard huge pages (e.g. 2 MB) */ + BUILD_BUG_ON(REAL_HPAGE_SHIFT > HPAGE_SHIFT); + + addr &= HPAGE_MASK; + addr |= _HUGE_PAGE_SIZE_ENCODING_DEFAULT; + + for (i = 0; i < (1 << (HPAGE_SHIFT-REAL_HPAGE_SHIFT)); i++) { + mtsp(mm->context, 1); + pdtlb(addr); + if (unlikely(split_tlb)) + pitlb(addr); + addr += (1UL << REAL_HPAGE_SHIFT); + } +} + +void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t entry) +{ + unsigned long addr_start; + int i; + + addr &= HPAGE_MASK; + addr_start = addr; + + for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) { + /* Directly write pte entry. We could call set_pte_at(mm, addr, ptep, entry) + * instead, but then we get double locking on pa_tlb_lock. */ + *ptep = entry; + ptep++; + + /* Drop the PAGE_SIZE/non-huge tlb entry */ + purge_tlb_entries(mm, addr); + + addr += PAGE_SIZE; + pte_val(entry) += PAGE_SIZE; + } + + purge_tlb_entries_huge(mm, addr_start); +} + + +pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep) +{ + pte_t entry; + + entry = *ptep; + set_huge_pte_at(mm, addr, ptep, __pte(0)); + + return entry; +} + +int pmd_huge(pmd_t pmd) +{ + return 0; +} + +int pud_huge(pud_t pud) +{ + return 0; +} diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index c5fec4890fdf..1b366c477687 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -409,15 +409,11 @@ static void __init map_pages(unsigned long start_vaddr, unsigned long vaddr; unsigned long ro_start; unsigned long ro_end; - unsigned long fv_addr; - unsigned long gw_addr; - extern const unsigned long fault_vector_20; - extern void * const linux_gateway_page; + unsigned long kernel_end; ro_start = __pa((unsigned long)_text); ro_end = __pa((unsigned long)&data_start); - fv_addr = __pa((unsigned long)&fault_vector_20) & PAGE_MASK; - gw_addr = __pa((unsigned long)&linux_gateway_page) & PAGE_MASK; + kernel_end = __pa((unsigned long)&_end); end_paddr = start_paddr + size; @@ -475,24 +471,25 @@ static void __init map_pages(unsigned long start_vaddr, for (tmp2 = start_pte; tmp2 < PTRS_PER_PTE; tmp2++, pg_table++) { pte_t pte; - /* - * Map the fault vector writable so we can - * write the HPMC checksum. - */ if (force) pte = __mk_pte(address, pgprot); - else if (parisc_text_address(vaddr) && - address != fv_addr) + else if (parisc_text_address(vaddr)) { pte = __mk_pte(address, PAGE_KERNEL_EXEC); + if (address >= ro_start && address < kernel_end) + pte = pte_mkhuge(pte); + } else #if defined(CONFIG_PARISC_PAGE_SIZE_4KB) - if (address >= ro_start && address < ro_end - && address != fv_addr - && address != gw_addr) - pte = __mk_pte(address, PAGE_KERNEL_RO); - else + if (address >= ro_start && address < ro_end) { + pte = __mk_pte(address, PAGE_KERNEL_EXEC); + pte = pte_mkhuge(pte); + } else #endif + { pte = __mk_pte(address, pgprot); + if (address >= ro_start && address < kernel_end) + pte = pte_mkhuge(pte); + } if (address >= end_paddr) { if (force) @@ -536,15 +533,12 @@ void free_initmem(void) /* force the kernel to see the new TLB entries */ __flush_tlb_range(0, init_begin, init_end); - /* Attempt to catch anyone trying to execute code here - * by filling the page with BRK insns. - */ - memset((void *)init_begin, 0x00, init_end - init_begin); + /* finally dump all the instructions which were cached, since the * pages are no-longer executable */ flush_icache_range(init_begin, init_end); - free_initmem_default(-1); + free_initmem_default(POISON_FREE_INITMEM); /* set up a new led state on systems shipped LED State panel */ pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BCOMPLETE); @@ -728,8 +722,8 @@ static void __init pagetable_init(void) unsigned long size; start_paddr = pmem_ranges[range].start_pfn << PAGE_SHIFT; - end_paddr = start_paddr + (pmem_ranges[range].pages << PAGE_SHIFT); size = pmem_ranges[range].pages << PAGE_SHIFT; + end_paddr = start_paddr + size; map_pages((unsigned long)__va(start_paddr), start_paddr, size, PAGE_KERNEL, 0); diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index a908ada8e0a5..2220f7a60def 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -108,6 +108,7 @@ #define MSR_TS_T __MASK(MSR_TS_T_LG) /* Transaction Transactional */ #define MSR_TS_MASK (MSR_TS_T | MSR_TS_S) /* Transaction State bits */ #define MSR_TM_ACTIVE(x) (((x) & MSR_TS_MASK) != 0) /* Transaction active? */ +#define MSR_TM_RESV(x) (((x) & MSR_TS_MASK) == MSR_TS_MASK) /* Reserved */ #define MSR_TM_TRANSACTIONAL(x) (((x) & MSR_TS_MASK) == MSR_TS_T) #define MSR_TM_SUSPENDED(x) (((x) & MSR_TS_MASK) == MSR_TS_S) diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index c9e26cb264f4..f2b0b1b0c72a 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -382,3 +382,4 @@ COMPAT_SYS(shmat) SYSCALL(shmdt) SYSCALL(shmget) COMPAT_SYS(shmctl) +SYSCALL(mlock2) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 6d8f8023ac27..4b6b8ace18e0 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define __NR_syscalls 378 +#define __NR_syscalls 379 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index 81579e93c659..1effea5193d6 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -400,5 +400,6 @@ #define __NR_shmdt 375 #define __NR_shmget 376 #define __NR_shmctl 377 +#define __NR_mlock2 378 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 75b6676c1a0b..646bf4d222c1 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -551,6 +551,24 @@ static void tm_reclaim_thread(struct thread_struct *thr, msr_diff &= MSR_FP | MSR_VEC | MSR_VSX | MSR_FE0 | MSR_FE1; } + /* + * Use the current MSR TM suspended bit to track if we have + * checkpointed state outstanding. + * On signal delivery, we'd normally reclaim the checkpointed + * state to obtain stack pointer (see:get_tm_stackpointer()). + * This will then directly return to userspace without going + * through __switch_to(). However, if the stack frame is bad, + * we need to exit this thread which calls __switch_to() which + * will again attempt to reclaim the already saved tm state. + * Hence we need to check that we've not already reclaimed + * this state. + * We do this using the current MSR, rather tracking it in + * some specific thread_struct bit, as it has the additional + * benifit of checking for a potential TM bad thing exception. + */ + if (!MSR_TM_SUSPENDED(mfmsr())) + return; + tm_reclaim(thr, thr->regs->msr, cause); /* Having done the reclaim, we now have the checkpointed diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 0dbee465af7a..ef7c24e84a62 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -875,6 +875,15 @@ static long restore_tm_user_regs(struct pt_regs *regs, return 1; #endif /* CONFIG_SPE */ + /* Get the top half of the MSR from the user context */ + if (__get_user(msr_hi, &tm_sr->mc_gregs[PT_MSR])) + return 1; + msr_hi <<= 32; + /* If TM bits are set to the reserved value, it's an invalid context */ + if (MSR_TM_RESV(msr_hi)) + return 1; + /* Pull in the MSR TM bits from the user context */ + regs->msr = (regs->msr & ~MSR_TS_MASK) | (msr_hi & MSR_TS_MASK); /* Now, recheckpoint. This loads up all of the checkpointed (older) * registers, including FP and V[S]Rs. After recheckpointing, the * transactional versions should be loaded. @@ -884,11 +893,6 @@ static long restore_tm_user_regs(struct pt_regs *regs, current->thread.tm_texasr |= TEXASR_FS; /* This loads the checkpointed FP/VEC state, if used */ tm_recheckpoint(¤t->thread, msr); - /* Get the top half of the MSR */ - if (__get_user(msr_hi, &tm_sr->mc_gregs[PT_MSR])) - return 1; - /* Pull in MSR TM from user context */ - regs->msr = (regs->msr & ~MSR_TS_MASK) | ((msr_hi<<32) & MSR_TS_MASK); /* This loads the speculative FP/VEC state, if used */ if (msr & MSR_FP) { diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 20756dfb9f34..c676ecec0869 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -438,6 +438,10 @@ static long restore_tm_sigcontexts(struct pt_regs *regs, /* get MSR separately, transfer the LE bit if doing signal return */ err |= __get_user(msr, &sc->gp_regs[PT_MSR]); + /* Don't allow reserved mode. */ + if (MSR_TM_RESV(msr)) + return -EINVAL; + /* pull in MSR TM from user context */ regs->msr = (regs->msr & ~MSR_TS_MASK) | (msr & MSR_TS_MASK); diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 0c5d8ee657f0..d1e7b0a0feeb 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -312,6 +312,7 @@ extern void css_schedule_reprobe(void); extern void reipl_ccw_dev(struct ccw_dev_id *id); struct cio_iplinfo { + u8 ssid; u16 devno; int is_qdio; }; diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index 3ad48f22de78..bab6739a1154 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -206,9 +206,16 @@ do { \ } while (0) #endif /* CONFIG_COMPAT */ -extern unsigned long mmap_rnd_mask; - -#define STACK_RND_MASK (test_thread_flag(TIF_31BIT) ? 0x7ff : mmap_rnd_mask) +/* + * Cache aliasing on the latest machines calls for a mapping granularity + * of 512KB. For 64-bit processes use a 512KB alignment and a randomization + * of up to 1GB. For 31-bit processes the virtual address space is limited, + * use no alignment and limit the randomization to 8MB. + */ +#define BRK_RND_MASK (is_32bit_task() ? 0x7ffUL : 0x3ffffUL) +#define MMAP_RND_MASK (is_32bit_task() ? 0x7ffUL : 0x3ff80UL) +#define MMAP_ALIGN_MASK (is_32bit_task() ? 0 : 0x7fUL) +#define STACK_RND_MASK MMAP_RND_MASK #define ARCH_DLINFO \ do { \ diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h index 39ae6a359747..86634e71b69f 100644 --- a/arch/s390/include/asm/ipl.h +++ b/arch/s390/include/asm/ipl.h @@ -64,7 +64,8 @@ struct ipl_block_fcp { struct ipl_block_ccw { u8 reserved1[84]; - u8 reserved2[2]; + u16 reserved2 : 13; + u8 ssid : 3; u16 devno; u8 vm_flags; u8 reserved3[3]; diff --git a/arch/s390/include/asm/pci_dma.h b/arch/s390/include/asm/pci_dma.h index 7a7abf1a5537..1aac41e83ea1 100644 --- a/arch/s390/include/asm/pci_dma.h +++ b/arch/s390/include/asm/pci_dma.h @@ -195,5 +195,7 @@ void zpci_dma_exit_device(struct zpci_dev *); void dma_free_seg_table(unsigned long); unsigned long *dma_alloc_cpu_table(void); void dma_cleanup_tables(unsigned long *); -void dma_update_cpu_trans(unsigned long *, void *, dma_addr_t, int); +unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr); +void dma_update_cpu_trans(unsigned long *entry, void *page_addr, int flags); + #endif diff --git a/arch/s390/include/asm/trace/diag.h b/arch/s390/include/asm/trace/diag.h index 776f307960cc..cc6cfe7889da 100644 --- a/arch/s390/include/asm/trace/diag.h +++ b/arch/s390/include/asm/trace/diag.h @@ -19,7 +19,7 @@ #define TRACE_INCLUDE_PATH asm/trace #define TRACE_INCLUDE_FILE diag -TRACE_EVENT(diagnose, +TRACE_EVENT(s390_diagnose, TP_PROTO(unsigned short nr), TP_ARGS(nr), TP_STRUCT__entry( @@ -32,9 +32,9 @@ TRACE_EVENT(diagnose, ); #ifdef CONFIG_TRACEPOINTS -void trace_diagnose_norecursion(int diag_nr); +void trace_s390_diagnose_norecursion(int diag_nr); #else -static inline void trace_diagnose_norecursion(int diag_nr) { } +static inline void trace_s390_diagnose_norecursion(int diag_nr) { } #endif #endif /* _TRACE_S390_DIAG_H */ diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h index a848adba1504..34ec202472c6 100644 --- a/arch/s390/include/uapi/asm/unistd.h +++ b/arch/s390/include/uapi/asm/unistd.h @@ -192,14 +192,14 @@ #define __NR_set_tid_address 252 #define __NR_fadvise64 253 #define __NR_timer_create 254 -#define __NR_timer_settime (__NR_timer_create+1) -#define __NR_timer_gettime (__NR_timer_create+2) -#define __NR_timer_getoverrun (__NR_timer_create+3) -#define __NR_timer_delete (__NR_timer_create+4) -#define __NR_clock_settime (__NR_timer_create+5) -#define __NR_clock_gettime (__NR_timer_create+6) -#define __NR_clock_getres (__NR_timer_create+7) -#define __NR_clock_nanosleep (__NR_timer_create+8) +#define __NR_timer_settime 255 +#define __NR_timer_gettime 256 +#define __NR_timer_getoverrun 257 +#define __NR_timer_delete 258 +#define __NR_clock_settime 259 +#define __NR_clock_gettime 260 +#define __NR_clock_getres 261 +#define __NR_clock_nanosleep 262 /* Number 263 is reserved for vserver */ #define __NR_statfs64 265 #define __NR_fstatfs64 266 @@ -309,7 +309,8 @@ #define __NR_recvfrom 371 #define __NR_recvmsg 372 #define __NR_shutdown 373 -#define NR_syscalls 374 +#define __NR_mlock2 374 +#define NR_syscalls 375 /* * There are some system calls that are not present on 64 bit, some diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c index 09f194052df3..fac4eeddef91 100644 --- a/arch/s390/kernel/compat_wrapper.c +++ b/arch/s390/kernel/compat_wrapper.c @@ -176,3 +176,4 @@ COMPAT_SYSCALL_WRAP4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, COMPAT_SYSCALL_WRAP3(getsockname, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len); COMPAT_SYSCALL_WRAP3(getpeername, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len); COMPAT_SYSCALL_WRAP6(sendto, int, fd, void __user *, buff, size_t, len, unsigned int, flags, struct sockaddr __user *, addr, int, addr_len); +COMPAT_SYSCALL_WRAP3(mlock2, unsigned long, start, size_t, len, int, flags); diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c index f98766ede4e1..48b37b8357e6 100644 --- a/arch/s390/kernel/diag.c +++ b/arch/s390/kernel/diag.c @@ -121,14 +121,14 @@ device_initcall(show_diag_stat_init); void diag_stat_inc(enum diag_stat_enum nr) { this_cpu_inc(diag_stat.counter[nr]); - trace_diagnose(diag_map[nr].code); + trace_s390_diagnose(diag_map[nr].code); } EXPORT_SYMBOL(diag_stat_inc); void diag_stat_inc_norecursion(enum diag_stat_enum nr) { this_cpu_inc(diag_stat.counter[nr]); - trace_diagnose_norecursion(diag_map[nr].code); + trace_s390_diagnose_norecursion(diag_map[nr].code); } EXPORT_SYMBOL(diag_stat_inc_norecursion); diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index 1255c6c5353e..301ee9c70688 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -26,6 +26,7 @@ #include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/page.h> +#include <asm/ptrace.h> #define ARCH_OFFSET 4 @@ -59,19 +60,6 @@ __HEAD .long 0x020006e0,0x20000050 .org 0x200 -# -# subroutine to set architecture mode -# -.Lsetmode: - mvi __LC_AR_MODE_ID,1 # set esame flag - slr %r0,%r0 # set cpuid to zero - lhi %r1,2 # mode 2 = esame (dump) - sigp %r1,%r0,0x12 # switch to esame mode - bras %r13,0f - .fill 16,4,0x0 -0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs - sam31 # switch to 31 bit addressing mode - br %r14 # # subroutine to wait for end I/O @@ -159,7 +147,14 @@ __HEAD .long 0x02200050,0x00000000 iplstart: - bas %r14,.Lsetmode # Immediately switch to 64 bit mode + mvi __LC_AR_MODE_ID,1 # set esame flag + slr %r0,%r0 # set cpuid to zero + lhi %r1,2 # mode 2 = esame (dump) + sigp %r1,%r0,0x12 # switch to esame mode + bras %r13,0f + .fill 16,4,0x0 +0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs + sam31 # switch to 31 bit addressing mode lh %r1,0xb8 # test if subchannel number bct %r1,.Lnoload # is valid l %r1,0xb8 # load ipl subchannel number @@ -269,71 +264,6 @@ iplstart: .Lcpuid:.fill 8,1,0 # -# SALIPL loader support. Based on a patch by Rob van der Heij. -# This entry point is called directly from the SALIPL loader and -# doesn't need a builtin ipl record. -# - .org 0x800 -ENTRY(start) - stm %r0,%r15,0x07b0 # store registers - bas %r14,.Lsetmode # Immediately switch to 64 bit mode - basr %r12,%r0 -.base: - l %r11,.parm - l %r8,.cmd # pointer to command buffer - - ltr %r9,%r9 # do we have SALIPL parameters? - bp .sk8x8 - - mvc 0(64,%r8),0x00b0 # copy saved registers - xc 64(240-64,%r8),0(%r8) # remainder of buffer - tr 0(64,%r8),.lowcase - b .gotr -.sk8x8: - mvc 0(240,%r8),0(%r9) # copy iplparms into buffer -.gotr: - slr %r0,%r0 - st %r0,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r11) - st %r0,INITRD_START+ARCH_OFFSET-PARMAREA(%r11) - j startup # continue with startup -.cmd: .long COMMAND_LINE # address of command line buffer -.parm: .long PARMAREA -.lowcase: - .byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07 - .byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f - .byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17 - .byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f - .byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27 - .byte 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f - .byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37 - .byte 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f - .byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47 - .byte 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f - .byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57 - .byte 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f - .byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67 - .byte 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f - .byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77 - .byte 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f - - .byte 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87 - .byte 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f - .byte 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97 - .byte 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f - .byte 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 - .byte 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf - .byte 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7 - .byte 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf - .byte 0xc0,0x81,0x82,0x83,0x84,0x85,0x86,0x87 # .abcdefg - .byte 0x88,0x89,0xca,0xcb,0xcc,0xcd,0xce,0xcf # hi - .byte 0xd0,0x91,0x92,0x93,0x94,0x95,0x96,0x97 # .jklmnop - .byte 0x98,0x99,0xda,0xdb,0xdc,0xdd,0xde,0xdf # qr - .byte 0xe0,0xe1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 # ..stuvwx - .byte 0xa8,0xa9,0xea,0xeb,0xec,0xed,0xee,0xef # yz - .byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7 - .byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff - -# # startup-code at 0x10000, running in absolute addressing mode # this is called either by the ipl loader or directly by PSW restart # or linload or SALIPL @@ -364,7 +294,7 @@ ENTRY(startup_kdump) bras %r13,0f .fill 16,4,0x0 0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs - sam31 # switch to 31 bit addressing mode + sam64 # switch to 64 bit addressing mode basr %r13,0 # get base .LPG0: xc 0x200(256),0x200 # partially clear lowcore @@ -395,7 +325,7 @@ ENTRY(startup_kdump) jnz 1b j 4f 2: l %r15,.Lstack-.LPG0(%r13) - ahi %r15,-96 + ahi %r15,-STACK_FRAME_OVERHEAD la %r2,.Lals_string-.LPG0(%r13) l %r3,.Lsclp_print-.LPG0(%r13) basr %r14,%r3 @@ -429,8 +359,7 @@ ENTRY(startup_kdump) .long 1, 0xc0000000 #endif 4: - /* Continue with 64bit startup code in head64.S */ - sam64 # switch to 64 bit mode + /* Continue with startup code in head64.S */ jg startup_continue .align 8 diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index f6d8acd7e136..b1f0a90f933b 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -121,6 +121,7 @@ static char *dump_type_str(enum dump_type type) * Must be in data section since the bss section * is not cleared when these are accessed. */ +static u8 ipl_ssid __attribute__((__section__(".data"))) = 0; static u16 ipl_devno __attribute__((__section__(".data"))) = 0; u32 ipl_flags __attribute__((__section__(".data"))) = 0; @@ -197,6 +198,33 @@ static ssize_t sys_##_prefix##_##_name##_show(struct kobject *kobj, \ return snprintf(page, PAGE_SIZE, _format, ##args); \ } +#define IPL_ATTR_CCW_STORE_FN(_prefix, _name, _ipl_blk) \ +static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \ + struct kobj_attribute *attr, \ + const char *buf, size_t len) \ +{ \ + unsigned long long ssid, devno; \ + \ + if (sscanf(buf, "0.%llx.%llx\n", &ssid, &devno) != 2) \ + return -EINVAL; \ + \ + if (ssid > __MAX_SSID || devno > __MAX_SUBCHANNEL) \ + return -EINVAL; \ + \ + _ipl_blk.ssid = ssid; \ + _ipl_blk.devno = devno; \ + return len; \ +} + +#define DEFINE_IPL_CCW_ATTR_RW(_prefix, _name, _ipl_blk) \ +IPL_ATTR_SHOW_FN(_prefix, _name, "0.%x.%04x\n", \ + _ipl_blk.ssid, _ipl_blk.devno); \ +IPL_ATTR_CCW_STORE_FN(_prefix, _name, _ipl_blk); \ +static struct kobj_attribute sys_##_prefix##_##_name##_attr = \ + __ATTR(_name, (S_IRUGO | S_IWUSR), \ + sys_##_prefix##_##_name##_show, \ + sys_##_prefix##_##_name##_store) \ + #define DEFINE_IPL_ATTR_RO(_prefix, _name, _format, _value) \ IPL_ATTR_SHOW_FN(_prefix, _name, _format, _value) \ static struct kobj_attribute sys_##_prefix##_##_name##_attr = \ @@ -395,7 +423,7 @@ static ssize_t sys_ipl_device_show(struct kobject *kobj, switch (ipl_info.type) { case IPL_TYPE_CCW: - return sprintf(page, "0.0.%04x\n", ipl_devno); + return sprintf(page, "0.%x.%04x\n", ipl_ssid, ipl_devno); case IPL_TYPE_FCP: case IPL_TYPE_FCP_DUMP: return sprintf(page, "0.0.%04x\n", ipl->ipl_info.fcp.devno); @@ -687,21 +715,14 @@ static ssize_t reipl_fcp_scpdata_write(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) { + size_t scpdata_len = count; size_t padding; - size_t scpdata_len; - - if (off < 0) - return -EINVAL; - if (off >= DIAG308_SCPDATA_SIZE) - return -ENOSPC; - if (count > DIAG308_SCPDATA_SIZE - off) - count = DIAG308_SCPDATA_SIZE - off; - - memcpy(reipl_block_fcp->ipl_info.fcp.scp_data, buf + off, count); - scpdata_len = off + count; + if (off) + return -EINVAL; + memcpy(reipl_block_fcp->ipl_info.fcp.scp_data, buf, count); if (scpdata_len % 8) { padding = 8 - (scpdata_len % 8); memset(reipl_block_fcp->ipl_info.fcp.scp_data + scpdata_len, @@ -717,7 +738,7 @@ static ssize_t reipl_fcp_scpdata_write(struct file *filp, struct kobject *kobj, } static struct bin_attribute sys_reipl_fcp_scp_data_attr = __BIN_ATTR(scp_data, (S_IRUGO | S_IWUSR), reipl_fcp_scpdata_read, - reipl_fcp_scpdata_write, PAGE_SIZE); + reipl_fcp_scpdata_write, DIAG308_SCPDATA_SIZE); static struct bin_attribute *reipl_fcp_bin_attrs[] = { &sys_reipl_fcp_scp_data_attr, @@ -814,9 +835,7 @@ static struct attribute_group reipl_fcp_attr_group = { }; /* CCW reipl device attributes */ - -DEFINE_IPL_ATTR_RW(reipl_ccw, device, "0.0.%04llx\n", "0.0.%llx\n", - reipl_block_ccw->ipl_info.ccw.devno); +DEFINE_IPL_CCW_ATTR_RW(reipl_ccw, device, reipl_block_ccw->ipl_info.ccw); /* NSS wrapper */ static ssize_t reipl_nss_loadparm_show(struct kobject *kobj, @@ -1056,8 +1075,8 @@ static void __reipl_run(void *unused) switch (reipl_method) { case REIPL_METHOD_CCW_CIO: + devid.ssid = reipl_block_ccw->ipl_info.ccw.ssid; devid.devno = reipl_block_ccw->ipl_info.ccw.devno; - devid.ssid = 0; reipl_ccw_dev(&devid); break; case REIPL_METHOD_CCW_VM: @@ -1192,6 +1211,7 @@ static int __init reipl_ccw_init(void) reipl_block_ccw_init(reipl_block_ccw); if (ipl_info.type == IPL_TYPE_CCW) { + reipl_block_ccw->ipl_info.ccw.ssid = ipl_ssid; reipl_block_ccw->ipl_info.ccw.devno = ipl_devno; reipl_block_ccw_fill_parms(reipl_block_ccw); } @@ -1336,9 +1356,7 @@ static struct attribute_group dump_fcp_attr_group = { }; /* CCW dump device attributes */ - -DEFINE_IPL_ATTR_RW(dump_ccw, device, "0.0.%04llx\n", "0.0.%llx\n", - dump_block_ccw->ipl_info.ccw.devno); +DEFINE_IPL_CCW_ATTR_RW(dump_ccw, device, dump_block_ccw->ipl_info.ccw); static struct attribute *dump_ccw_attrs[] = { &sys_dump_ccw_device_attr.attr, @@ -1418,8 +1436,8 @@ static void __dump_run(void *unused) switch (dump_method) { case DUMP_METHOD_CCW_CIO: + devid.ssid = dump_block_ccw->ipl_info.ccw.ssid; devid.devno = dump_block_ccw->ipl_info.ccw.devno; - devid.ssid = 0; reipl_ccw_dev(&devid); break; case DUMP_METHOD_CCW_VM: @@ -1939,14 +1957,14 @@ void __init setup_ipl(void) ipl_info.type = get_ipl_type(); switch (ipl_info.type) { case IPL_TYPE_CCW: + ipl_info.data.ccw.dev_id.ssid = ipl_ssid; ipl_info.data.ccw.dev_id.devno = ipl_devno; - ipl_info.data.ccw.dev_id.ssid = 0; break; case IPL_TYPE_FCP: case IPL_TYPE_FCP_DUMP: + ipl_info.data.fcp.dev_id.ssid = 0; ipl_info.data.fcp.dev_id.devno = IPL_PARMBLOCK_START->ipl_info.fcp.devno; - ipl_info.data.fcp.dev_id.ssid = 0; ipl_info.data.fcp.wwpn = IPL_PARMBLOCK_START->ipl_info.fcp.wwpn; ipl_info.data.fcp.lun = IPL_PARMBLOCK_START->ipl_info.fcp.lun; break; @@ -1978,6 +1996,7 @@ void __init ipl_save_parameters(void) if (cio_get_iplinfo(&iplinfo)) return; + ipl_ssid = iplinfo.ssid; ipl_devno = iplinfo.devno; ipl_flags |= IPL_DEVNO_VALID; if (!iplinfo.is_qdio) diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 688a3aad9c79..114ee8b96f17 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -243,11 +243,7 @@ unsigned long arch_align_stack(unsigned long sp) static inline unsigned long brk_rnd(void) { - /* 8MB for 32bit, 1GB for 64bit */ - if (is_32bit_task()) - return (get_random_int() & 0x7ffUL) << PAGE_SHIFT; - else - return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT; + return (get_random_int() & BRK_RND_MASK) << PAGE_SHIFT; } unsigned long arch_randomize_brk(struct mm_struct *mm) diff --git a/arch/s390/kernel/sclp.c b/arch/s390/kernel/sclp.c index fa0bdff1d413..9fe7781a45cd 100644 --- a/arch/s390/kernel/sclp.c +++ b/arch/s390/kernel/sclp.c @@ -21,7 +21,7 @@ static void _sclp_wait_int(void) __ctl_load(cr0_new, 0, 0); psw_ext_save = S390_lowcore.external_new_psw; - psw_mask = __extract_psw() & (PSW_MASK_EA | PSW_MASK_BA); + psw_mask = __extract_psw(); S390_lowcore.external_new_psw.mask = psw_mask; psw_wait.mask = psw_mask | PSW_MASK_EXT | PSW_MASK_WAIT; S390_lowcore.ext_int_code = 0; diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index ce0cbd6ba7ca..c837bcacf218 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -764,9 +764,6 @@ static int __init setup_hwcaps(void) get_cpu_id(&cpu_id); add_device_randomness(&cpu_id, sizeof(cpu_id)); switch (cpu_id.machine) { - case 0x9672: - strcpy(elf_platform, "g5"); - break; case 0x2064: case 0x2066: default: /* Use "z900" as default for 64 bit kernels. */ diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 8c56929c8d82..5378c3ea1b98 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -382,3 +382,4 @@ SYSCALL(sys_sendmsg,compat_sys_sendmsg) /* 370 */ SYSCALL(sys_recvfrom,compat_sys_recvfrom) SYSCALL(sys_recvmsg,compat_sys_recvmsg) SYSCALL(sys_shutdown,sys_shutdown) +SYSCALL(sys_mlock2,compat_sys_mlock2) diff --git a/arch/s390/kernel/trace.c b/arch/s390/kernel/trace.c index 73239bb576c4..21a5df99552b 100644 --- a/arch/s390/kernel/trace.c +++ b/arch/s390/kernel/trace.c @@ -9,11 +9,11 @@ #define CREATE_TRACE_POINTS #include <asm/trace/diag.h> -EXPORT_TRACEPOINT_SYMBOL(diagnose); +EXPORT_TRACEPOINT_SYMBOL(s390_diagnose); static DEFINE_PER_CPU(unsigned int, diagnose_trace_depth); -void trace_diagnose_norecursion(int diag_nr) +void trace_s390_diagnose_norecursion(int diag_nr) { unsigned long flags; unsigned int *depth; @@ -22,7 +22,7 @@ void trace_diagnose_norecursion(int diag_nr) depth = this_cpu_ptr(&diagnose_trace_depth); if (*depth == 0) { (*depth)++; - trace_diagnose(diag_nr); + trace_s390_diagnose(diag_nr); (*depth)--; } local_irq_restore(flags); diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 373e32346d68..6a75352f453c 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -1030,8 +1030,7 @@ static int __inject_extcall(struct kvm_vcpu *vcpu, struct kvm_s390_irq *irq) src_id, 0); /* sending vcpu invalid */ - if (src_id >= KVM_MAX_VCPUS || - kvm_get_vcpu(vcpu->kvm, src_id) == NULL) + if (kvm_get_vcpu_by_id(vcpu->kvm, src_id) == NULL) return -EINVAL; if (sclp.has_sigpif) @@ -1110,6 +1109,10 @@ static int __inject_sigp_emergency(struct kvm_vcpu *vcpu, trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY, irq->u.emerg.code, 0); + /* sending vcpu invalid */ + if (kvm_get_vcpu_by_id(vcpu->kvm, irq->u.emerg.code) == NULL) + return -EINVAL; + set_bit(irq->u.emerg.code, li->sigp_emerg_pending); set_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs); atomic_or(CPUSTAT_EXT_INT, li->cpuflags); diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 8fe2f1c722dc..846589281b04 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -342,12 +342,16 @@ static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap) r = 0; break; case KVM_CAP_S390_VECTOR_REGISTERS: - if (MACHINE_HAS_VX) { + mutex_lock(&kvm->lock); + if (atomic_read(&kvm->online_vcpus)) { + r = -EBUSY; + } else if (MACHINE_HAS_VX) { set_kvm_facility(kvm->arch.model.fac->mask, 129); set_kvm_facility(kvm->arch.model.fac->list, 129); r = 0; } else r = -EINVAL; + mutex_unlock(&kvm->lock); VM_EVENT(kvm, 3, "ENABLE: CAP_S390_VECTOR_REGISTERS %s", r ? "(not available)" : "(success)"); break; diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 77191b85ea7a..d76b51cb4b62 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -660,7 +660,7 @@ static int handle_pfmf(struct kvm_vcpu *vcpu) kvm_s390_get_regs_rre(vcpu, ®1, ®2); - if (!MACHINE_HAS_PFMF) + if (!test_kvm_facility(vcpu->kvm, 8)) return kvm_s390_inject_program_int(vcpu, PGM_OPERATION); if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index da690b69f9fe..77c22d685c7a 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -291,12 +291,8 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code, u16 cpu_addr, u32 parameter, u64 *status_reg) { int rc; - struct kvm_vcpu *dst_vcpu; + struct kvm_vcpu *dst_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, cpu_addr); - if (cpu_addr >= KVM_MAX_VCPUS) - return SIGP_CC_NOT_OPERATIONAL; - - dst_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr); if (!dst_vcpu) return SIGP_CC_NOT_OPERATIONAL; @@ -478,7 +474,7 @@ int kvm_s390_handle_sigp_pei(struct kvm_vcpu *vcpu) trace_kvm_s390_handle_sigp_pei(vcpu, order_code, cpu_addr); if (order_code == SIGP_EXTERNAL_CALL) { - dest_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr); + dest_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, cpu_addr); BUG_ON(dest_vcpu == NULL); kvm_s390_vcpu_wakeup(dest_vcpu); diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index c3c07d3505ba..c722400c7697 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -48,37 +48,13 @@ EXPORT_SYMBOL(zero_page_mask); static void __init setup_zero_pages(void) { - struct cpuid cpu_id; unsigned int order; struct page *page; int i; - get_cpu_id(&cpu_id); - switch (cpu_id.machine) { - case 0x9672: /* g5 */ - case 0x2064: /* z900 */ - case 0x2066: /* z900 */ - case 0x2084: /* z990 */ - case 0x2086: /* z990 */ - case 0x2094: /* z9-109 */ - case 0x2096: /* z9-109 */ - order = 0; - break; - case 0x2097: /* z10 */ - case 0x2098: /* z10 */ - case 0x2817: /* z196 */ - case 0x2818: /* z196 */ - order = 2; - break; - case 0x2827: /* zEC12 */ - case 0x2828: /* zEC12 */ - order = 5; - break; - case 0x2964: /* z13 */ - default: - order = 7; - break; - } + /* Latest machines require a mapping granularity of 512KB */ + order = 7; + /* Limit number of empty zero pages for small memory sizes */ while (order > 2 && (totalram_pages >> 10) < (1UL << order)) order--; diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index 6e552af08c76..ea01477b4aa6 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -31,9 +31,6 @@ #include <linux/security.h> #include <asm/pgalloc.h> -unsigned long mmap_rnd_mask; -static unsigned long mmap_align_mask; - static unsigned long stack_maxrandom_size(void) { if (!(current->flags & PF_RANDOMIZE)) @@ -62,10 +59,7 @@ static inline int mmap_is_legacy(void) unsigned long arch_mmap_rnd(void) { - if (is_32bit_task()) - return (get_random_int() & 0x7ff) << PAGE_SHIFT; - else - return (get_random_int() & mmap_rnd_mask) << PAGE_SHIFT; + return (get_random_int() & MMAP_RND_MASK) << PAGE_SHIFT; } static unsigned long mmap_base_legacy(unsigned long rnd) @@ -92,7 +86,6 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, struct mm_struct *mm = current->mm; struct vm_area_struct *vma; struct vm_unmapped_area_info info; - int do_color_align; if (len > TASK_SIZE - mmap_min_addr) return -ENOMEM; @@ -108,15 +101,14 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, return addr; } - do_color_align = 0; - if (filp || (flags & MAP_SHARED)) - do_color_align = !is_32bit_task(); - info.flags = 0; info.length = len; info.low_limit = mm->mmap_base; info.high_limit = TASK_SIZE; - info.align_mask = do_color_align ? (mmap_align_mask << PAGE_SHIFT) : 0; + if (filp || (flags & MAP_SHARED)) + info.align_mask = MMAP_ALIGN_MASK << PAGE_SHIFT; + else + info.align_mask = 0; info.align_offset = pgoff << PAGE_SHIFT; return vm_unmapped_area(&info); } @@ -130,7 +122,6 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, struct mm_struct *mm = current->mm; unsigned long addr = addr0; struct vm_unmapped_area_info info; - int do_color_align; /* requested length too big for entire address space */ if (len > TASK_SIZE - mmap_min_addr) @@ -148,15 +139,14 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, return addr; } - do_color_align = 0; - if (filp || (flags & MAP_SHARED)) - do_color_align = !is_32bit_task(); - info.flags = VM_UNMAPPED_AREA_TOPDOWN; info.length = len; info.low_limit = max(PAGE_SIZE, mmap_min_addr); info.high_limit = mm->mmap_base; - info.align_mask = do_color_align ? (mmap_align_mask << PAGE_SHIFT) : 0; + if (filp || (flags & MAP_SHARED)) + info.align_mask = MMAP_ALIGN_MASK << PAGE_SHIFT; + else + info.align_mask = 0; info.align_offset = pgoff << PAGE_SHIFT; addr = vm_unmapped_area(&info); @@ -254,35 +244,3 @@ void arch_pick_mmap_layout(struct mm_struct *mm) mm->get_unmapped_area = s390_get_unmapped_area_topdown; } } - -static int __init setup_mmap_rnd(void) -{ - struct cpuid cpu_id; - - get_cpu_id(&cpu_id); - switch (cpu_id.machine) { - case 0x9672: - case 0x2064: - case 0x2066: - case 0x2084: - case 0x2086: - case 0x2094: - case 0x2096: - case 0x2097: - case 0x2098: - case 0x2817: - case 0x2818: - case 0x2827: - case 0x2828: - mmap_rnd_mask = 0x7ffUL; - mmap_align_mask = 0UL; - break; - case 0x2964: /* z13 */ - default: - mmap_rnd_mask = 0x3ff80UL; - mmap_align_mask = 0x7fUL; - break; - } - return 0; -} -early_initcall(setup_mmap_rnd); diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 37d10f74425a..d348f2c09a1e 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -33,7 +33,7 @@ unsigned long *dma_alloc_cpu_table(void) return NULL; for (entry = table; entry < table + ZPCI_TABLE_ENTRIES; entry++) - *entry = ZPCI_TABLE_INVALID | ZPCI_TABLE_PROTECTED; + *entry = ZPCI_TABLE_INVALID; return table; } @@ -51,7 +51,7 @@ static unsigned long *dma_alloc_page_table(void) return NULL; for (entry = table; entry < table + ZPCI_PT_ENTRIES; entry++) - *entry = ZPCI_PTE_INVALID | ZPCI_TABLE_PROTECTED; + *entry = ZPCI_PTE_INVALID; return table; } @@ -95,7 +95,7 @@ static unsigned long *dma_get_page_table_origin(unsigned long *entry) return pto; } -static unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr) +unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr) { unsigned long *sto, *pto; unsigned int rtx, sx, px; @@ -114,20 +114,10 @@ static unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr return &pto[px]; } -void dma_update_cpu_trans(unsigned long *dma_table, void *page_addr, - dma_addr_t dma_addr, int flags) +void dma_update_cpu_trans(unsigned long *entry, void *page_addr, int flags) { - unsigned long *entry; - - entry = dma_walk_cpu_trans(dma_table, dma_addr); - if (!entry) { - WARN_ON_ONCE(1); - return; - } - if (flags & ZPCI_PTE_INVALID) { invalidate_pt_entry(entry); - return; } else { set_pt_pfaa(entry, page_addr); validate_pt_entry(entry); @@ -146,18 +136,25 @@ static int dma_update_trans(struct zpci_dev *zdev, unsigned long pa, u8 *page_addr = (u8 *) (pa & PAGE_MASK); dma_addr_t start_dma_addr = dma_addr; unsigned long irq_flags; + unsigned long *entry; int i, rc = 0; if (!nr_pages) return -EINVAL; spin_lock_irqsave(&zdev->dma_table_lock, irq_flags); - if (!zdev->dma_table) + if (!zdev->dma_table) { + rc = -EINVAL; goto no_refresh; + } for (i = 0; i < nr_pages; i++) { - dma_update_cpu_trans(zdev->dma_table, page_addr, dma_addr, - flags); + entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr); + if (!entry) { + rc = -ENOMEM; + goto undo_cpu_trans; + } + dma_update_cpu_trans(entry, page_addr, flags); page_addr += PAGE_SIZE; dma_addr += PAGE_SIZE; } @@ -176,6 +173,18 @@ static int dma_update_trans(struct zpci_dev *zdev, unsigned long pa, rc = zpci_refresh_trans((u64) zdev->fh << 32, start_dma_addr, nr_pages * PAGE_SIZE); +undo_cpu_trans: + if (rc && ((flags & ZPCI_PTE_VALID_MASK) == ZPCI_PTE_VALID)) { + flags = ZPCI_PTE_INVALID; + while (i-- > 0) { + page_addr -= PAGE_SIZE; + dma_addr -= PAGE_SIZE; + entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr); + if (!entry) + break; + dma_update_cpu_trans(entry, page_addr, flags); + } + } no_refresh: spin_unlock_irqrestore(&zdev->dma_table_lock, irq_flags); @@ -260,6 +269,16 @@ out: spin_unlock_irqrestore(&zdev->iommu_bitmap_lock, flags); } +static inline void zpci_err_dma(unsigned long rc, unsigned long addr) +{ + struct { + unsigned long rc; + unsigned long addr; + } __packed data = {rc, addr}; + + zpci_err_hex(&data, sizeof(data)); +} + static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction, @@ -270,33 +289,40 @@ static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page, unsigned long pa = page_to_phys(page) + offset; int flags = ZPCI_PTE_VALID; dma_addr_t dma_addr; + int ret; /* This rounds up number of pages based on size and offset */ nr_pages = iommu_num_pages(pa, size, PAGE_SIZE); iommu_page_index = dma_alloc_iommu(zdev, nr_pages); - if (iommu_page_index == -1) + if (iommu_page_index == -1) { + ret = -ENOSPC; goto out_err; + } /* Use rounded up size */ size = nr_pages * PAGE_SIZE; dma_addr = zdev->start_dma + iommu_page_index * PAGE_SIZE; - if (dma_addr + size > zdev->end_dma) + if (dma_addr + size > zdev->end_dma) { + ret = -ERANGE; goto out_free; + } if (direction == DMA_NONE || direction == DMA_TO_DEVICE) flags |= ZPCI_TABLE_PROTECTED; - if (!dma_update_trans(zdev, pa, dma_addr, size, flags)) { - atomic64_add(nr_pages, &zdev->mapped_pages); - return dma_addr + (offset & ~PAGE_MASK); - } + ret = dma_update_trans(zdev, pa, dma_addr, size, flags); + if (ret) + goto out_free; + + atomic64_add(nr_pages, &zdev->mapped_pages); + return dma_addr + (offset & ~PAGE_MASK); out_free: dma_free_iommu(zdev, iommu_page_index, nr_pages); out_err: zpci_err("map error:\n"); - zpci_err_hex(&pa, sizeof(pa)); + zpci_err_dma(ret, pa); return DMA_ERROR_CODE; } @@ -306,14 +332,16 @@ static void s390_dma_unmap_pages(struct device *dev, dma_addr_t dma_addr, { struct zpci_dev *zdev = to_zpci(to_pci_dev(dev)); unsigned long iommu_page_index; - int npages; + int npages, ret; npages = iommu_num_pages(dma_addr, size, PAGE_SIZE); dma_addr = dma_addr & PAGE_MASK; - if (dma_update_trans(zdev, 0, dma_addr, npages * PAGE_SIZE, - ZPCI_TABLE_PROTECTED | ZPCI_PTE_INVALID)) { + ret = dma_update_trans(zdev, 0, dma_addr, npages * PAGE_SIZE, + ZPCI_PTE_INVALID); + if (ret) { zpci_err("unmap error:\n"); - zpci_err_hex(&dma_addr, sizeof(dma_addr)); + zpci_err_dma(ret, dma_addr); + return; } atomic64_add(npages, &zdev->unmapped_pages); diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h index 0033e96c3f09..9011a88353de 100644 --- a/arch/x86/boot/boot.h +++ b/arch/x86/boot/boot.h @@ -23,7 +23,6 @@ #include <stdarg.h> #include <linux/types.h> #include <linux/edd.h> -#include <asm/boot.h> #include <asm/setup.h> #include "bitops.h" #include "ctype.h" diff --git a/arch/x86/boot/video-mode.c b/arch/x86/boot/video-mode.c index aa8a96b052e3..95c7a818c0ed 100644 --- a/arch/x86/boot/video-mode.c +++ b/arch/x86/boot/video-mode.c @@ -19,6 +19,8 @@ #include "video.h" #include "vesa.h" +#include <uapi/asm/boot.h> + /* * Common variables */ diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c index 05111bb8d018..77780e386e9b 100644 --- a/arch/x86/boot/video.c +++ b/arch/x86/boot/video.c @@ -13,6 +13,8 @@ * Select video mode */ +#include <uapi/asm/boot.h> + #include "boot.h" #include "video.h" #include "vesa.h" diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 53616ca03244..a55697d19824 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -509,6 +509,17 @@ END(irq_entries_start) * tracking that we're in kernel mode. */ SWAPGS + + /* + * We need to tell lockdep that IRQs are off. We can't do this until + * we fix gsbase, and we should do it before enter_from_user_mode + * (which can take locks). Since TRACE_IRQS_OFF idempotent, + * the simplest way to handle it is to just call it twice if + * we enter from user mode. There's no reason to optimize this since + * TRACE_IRQS_OFF is a no-op if lockdep is off. + */ + TRACE_IRQS_OFF + #ifdef CONFIG_CONTEXT_TRACKING call enter_from_user_mode #endif @@ -1049,12 +1060,18 @@ ENTRY(error_entry) SWAPGS .Lerror_entry_from_usermode_after_swapgs: + /* + * We need to tell lockdep that IRQs are off. We can't do this until + * we fix gsbase, and we should do it before enter_from_user_mode + * (which can take locks). + */ + TRACE_IRQS_OFF #ifdef CONFIG_CONTEXT_TRACKING call enter_from_user_mode #endif + ret .Lerror_entry_done: - TRACE_IRQS_OFF ret diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 9f3905697f12..690b4027e17c 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -35,7 +35,7 @@ #define MSR_IA32_PERFCTR0 0x000000c1 #define MSR_IA32_PERFCTR1 0x000000c2 #define MSR_FSB_FREQ 0x000000cd -#define MSR_NHM_PLATFORM_INFO 0x000000ce +#define MSR_PLATFORM_INFO 0x000000ce #define MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 #define NHM_C3_AUTO_DEMOTE (1UL << 25) @@ -44,7 +44,6 @@ #define SNB_C1_AUTO_UNDEMOTE (1UL << 27) #define SNB_C3_AUTO_UNDEMOTE (1UL << 28) -#define MSR_PLATFORM_INFO 0x000000ce #define MSR_MTRRcap 0x000000fe #define MSR_IA32_BBL_CR_CTL 0x00000119 #define MSR_IA32_BBL_CR_CTL3 0x0000011e diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h index c5b7fb2774d0..cc071c6f7d4d 100644 --- a/arch/x86/include/asm/page_types.h +++ b/arch/x86/include/asm/page_types.h @@ -9,19 +9,21 @@ #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) +#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) +#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) + +#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) +#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) + #define __PHYSICAL_MASK ((phys_addr_t)((1ULL << __PHYSICAL_MASK_SHIFT) - 1)) #define __VIRTUAL_MASK ((1UL << __VIRTUAL_MASK_SHIFT) - 1) -/* Cast PAGE_MASK to a signed type so that it is sign-extended if +/* Cast *PAGE_MASK to a signed type so that it is sign-extended if virtual addresses are 32-bits but physical addresses are larger (ie, 32-bit PAE). */ #define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK) - -#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT) -#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1)) - -#define PUD_PAGE_SIZE (_AC(1, UL) << PUD_SHIFT) -#define PUD_PAGE_MASK (~(PUD_PAGE_SIZE-1)) +#define PHYSICAL_PMD_PAGE_MASK (((signed long)PMD_PAGE_MASK) & __PHYSICAL_MASK) +#define PHYSICAL_PUD_PAGE_MASK (((signed long)PUD_PAGE_MASK) & __PHYSICAL_MASK) #define HPAGE_SHIFT PMD_SHIFT #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index dd5b0aa9dd2f..a471cadb9630 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -279,17 +279,14 @@ static inline pmdval_t native_pmd_val(pmd_t pmd) static inline pudval_t pud_pfn_mask(pud_t pud) { if (native_pud_val(pud) & _PAGE_PSE) - return PUD_PAGE_MASK & PHYSICAL_PAGE_MASK; + return PHYSICAL_PUD_PAGE_MASK; else return PTE_PFN_MASK; } static inline pudval_t pud_flags_mask(pud_t pud) { - if (native_pud_val(pud) & _PAGE_PSE) - return ~(PUD_PAGE_MASK & (pudval_t)PHYSICAL_PAGE_MASK); - else - return ~PTE_PFN_MASK; + return ~pud_pfn_mask(pud); } static inline pudval_t pud_flags(pud_t pud) @@ -300,17 +297,14 @@ static inline pudval_t pud_flags(pud_t pud) static inline pmdval_t pmd_pfn_mask(pmd_t pmd) { if (native_pmd_val(pmd) & _PAGE_PSE) - return PMD_PAGE_MASK & PHYSICAL_PAGE_MASK; + return PHYSICAL_PMD_PAGE_MASK; else return PTE_PFN_MASK; } static inline pmdval_t pmd_flags_mask(pmd_t pmd) { - if (native_pmd_val(pmd) & _PAGE_PSE) - return ~(PMD_PAGE_MASK & (pmdval_t)PHYSICAL_PAGE_MASK); - else - return ~PTE_PFN_MASK; + return ~pmd_pfn_mask(pmd); } static inline pmdval_t pmd_flags(pmd_t pmd) diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index 48d34d28f5a6..cd0fc0cc78bc 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -1,7 +1,6 @@ #ifndef _ASM_X86_PLATFORM_H #define _ASM_X86_PLATFORM_H -#include <asm/pgtable_types.h> #include <asm/bootparam.h> struct mpc_bus; diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 4ddd780aeac9..c2b7522cbf35 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -273,10 +273,9 @@ __setup("nosmap", setup_disable_smap); static __always_inline void setup_smap(struct cpuinfo_x86 *c) { - unsigned long eflags; + unsigned long eflags = native_save_fl(); /* This should have been cleared long ago */ - raw_local_save_flags(eflags); BUG_ON(eflags & X86_EFLAGS_AC); if (cpu_has(c, X86_FEATURE_SMAP)) { diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 7fc27f1cca58..b3e94ef461fd 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -698,3 +698,4 @@ int __init microcode_init(void) return error; } +late_initcall(microcode_init); diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index ef29b742cea7..31c6a60505e6 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -385,20 +385,19 @@ fpu__alloc_mathframe(unsigned long sp, int ia32_frame, */ void fpu__init_prepare_fx_sw_frame(void) { - int fsave_header_size = sizeof(struct fregs_state); int size = xstate_size + FP_XSTATE_MAGIC2_SIZE; - if (config_enabled(CONFIG_X86_32)) - size += fsave_header_size; - fx_sw_reserved.magic1 = FP_XSTATE_MAGIC1; fx_sw_reserved.extended_size = size; fx_sw_reserved.xfeatures = xfeatures_mask; fx_sw_reserved.xstate_size = xstate_size; - if (config_enabled(CONFIG_IA32_EMULATION)) { + if (config_enabled(CONFIG_IA32_EMULATION) || + config_enabled(CONFIG_X86_32)) { + int fsave_header_size = sizeof(struct fregs_state); + fx_sw_reserved_ia32 = fx_sw_reserved; - fx_sw_reserved_ia32.extended_size += fsave_header_size; + fx_sw_reserved_ia32.extended_size = size + fsave_header_size; } } diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 6454f2731b56..70fc312221fc 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -694,7 +694,6 @@ void *get_xsave_addr(struct xregs_state *xsave, int xstate_feature) if (!boot_cpu_has(X86_FEATURE_XSAVE)) return NULL; - xsave = ¤t->thread.fpu.state.xsave; /* * We should not ever be requesting features that we * have not enabled. Remember that pcntxt_mask is diff --git a/arch/x86/kernel/mcount_64.S b/arch/x86/kernel/mcount_64.S index 94ea120fa21f..87e1762e2bca 100644 --- a/arch/x86/kernel/mcount_64.S +++ b/arch/x86/kernel/mcount_64.S @@ -278,6 +278,12 @@ trace: /* save_mcount_regs fills in first two parameters */ save_mcount_regs + /* + * When DYNAMIC_FTRACE is not defined, ARCH_SUPPORTS_FTRACE_OPS is not + * set (see include/asm/ftrace.h and include/linux/ftrace.h). Only the + * ip and parent ip are used and the list function is called when + * function tracing is enabled. + */ call *ftrace_trace_function restore_mcount_regs diff --git a/arch/x86/kernel/pmem.c b/arch/x86/kernel/pmem.c index 4f00b63d7ff3..14415aff1813 100644 --- a/arch/x86/kernel/pmem.c +++ b/arch/x86/kernel/pmem.c @@ -4,10 +4,22 @@ */ #include <linux/platform_device.h> #include <linux/module.h> +#include <linux/ioport.h> + +static int found(u64 start, u64 end, void *data) +{ + return 1; +} static __init int register_e820_pmem(void) { + char *pmem = "Persistent Memory (legacy)"; struct platform_device *pdev; + int rc; + + rc = walk_iomem_res(pmem, IORESOURCE_MEM, 0, -1, NULL, found); + if (rc <= 0) + return 0; /* * See drivers/nvdimm/e820.c for the implementation, this is diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 29db25f9a745..d2bbe343fda7 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1250,8 +1250,6 @@ void __init setup_arch(char **cmdline_p) if (efi_enabled(EFI_BOOT)) efi_apply_memmap_quirks(); #endif - - microcode_init(); } #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index b7ffb7c00075..cb6282c3638f 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -690,12 +690,15 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs) signal_setup_done(failed, ksig, stepping); } -#ifdef CONFIG_X86_32 -#define NR_restart_syscall __NR_restart_syscall -#else /* !CONFIG_X86_32 */ -#define NR_restart_syscall \ - test_thread_flag(TIF_IA32) ? __NR_ia32_restart_syscall : __NR_restart_syscall -#endif /* CONFIG_X86_32 */ +static inline unsigned long get_nr_restart_syscall(const struct pt_regs *regs) +{ +#if defined(CONFIG_X86_32) || !defined(CONFIG_X86_64) + return __NR_restart_syscall; +#else /* !CONFIG_X86_32 && CONFIG_X86_64 */ + return test_thread_flag(TIF_IA32) ? __NR_ia32_restart_syscall : + __NR_restart_syscall | (regs->orig_ax & __X32_SYSCALL_BIT); +#endif /* CONFIG_X86_32 || !CONFIG_X86_64 */ +} /* * Note that 'init' is a special process: it doesn't get signals it doesn't @@ -724,7 +727,7 @@ void do_signal(struct pt_regs *regs) break; case -ERESTART_RESTARTBLOCK: - regs->ax = NR_restart_syscall; + regs->ax = get_nr_restart_syscall(regs); regs->ip -= 2; break; } diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 892ee2e5ecbc..fbabe4fcc7fb 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -509,7 +509,7 @@ void __inquire_remote_apic(int apicid) */ #define UDELAY_10MS_DEFAULT 10000 -static unsigned int init_udelay = INT_MAX; +static unsigned int init_udelay = UINT_MAX; static int __init cpu_init_udelay(char *str) { @@ -522,14 +522,15 @@ early_param("cpu_init_udelay", cpu_init_udelay); static void __init smp_quirk_init_udelay(void) { /* if cmdline changed it from default, leave it alone */ - if (init_udelay != INT_MAX) + if (init_udelay != UINT_MAX) return; /* if modern processor, use no delay */ if (((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && (boot_cpu_data.x86 == 6)) || - ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && (boot_cpu_data.x86 >= 0xF))) + ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && (boot_cpu_data.x86 >= 0xF))) { init_udelay = 0; - + return; + } /* else, use legacy delay */ init_udelay = UDELAY_10MS_DEFAULT; } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 87acc5221740..af823a388c19 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7394,11 +7394,6 @@ static int handle_invvpid(struct kvm_vcpu *vcpu) switch (type) { case VMX_VPID_EXTENT_ALL_CONTEXT: - if (get_vmcs12(vcpu)->virtual_processor_id == 0) { - nested_vmx_failValid(vcpu, - VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID); - return 1; - } __vmx_flush_tlb(vcpu, to_vmx(vcpu)->nested.vpid02); nested_vmx_succeed(vcpu); break; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 00462bd63129..eed32283d22c 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2763,6 +2763,26 @@ static int kvm_vcpu_ioctl_set_lapic(struct kvm_vcpu *vcpu, return 0; } +static int kvm_cpu_accept_dm_intr(struct kvm_vcpu *vcpu) +{ + return (!lapic_in_kernel(vcpu) || + kvm_apic_accept_pic_intr(vcpu)); +} + +/* + * if userspace requested an interrupt window, check that the + * interrupt window is open. + * + * No need to exit to userspace if we already have an interrupt queued. + */ +static int kvm_vcpu_ready_for_interrupt_injection(struct kvm_vcpu *vcpu) +{ + return kvm_arch_interrupt_allowed(vcpu) && + !kvm_cpu_has_interrupt(vcpu) && + !kvm_event_needs_reinjection(vcpu) && + kvm_cpu_accept_dm_intr(vcpu); +} + static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq) { @@ -2786,6 +2806,7 @@ static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, return -EEXIST; vcpu->arch.pending_external_vector = irq->irq; + kvm_make_request(KVM_REQ_EVENT, vcpu); return 0; } @@ -5910,23 +5931,10 @@ static int emulator_fix_hypercall(struct x86_emulate_ctxt *ctxt) return emulator_write_emulated(ctxt, rip, instruction, 3, NULL); } -/* - * Check if userspace requested an interrupt window, and that the - * interrupt window is open. - * - * No need to exit to userspace if we already have an interrupt queued. - */ static int dm_request_for_irq_injection(struct kvm_vcpu *vcpu) { - if (!vcpu->run->request_interrupt_window || pic_in_kernel(vcpu->kvm)) - return false; - - if (kvm_cpu_has_interrupt(vcpu)) - return false; - - return (irqchip_split(vcpu->kvm) - ? kvm_apic_accept_pic_intr(vcpu) - : kvm_arch_interrupt_allowed(vcpu)); + return vcpu->run->request_interrupt_window && + likely(!pic_in_kernel(vcpu->kvm)); } static void post_kvm_run_save(struct kvm_vcpu *vcpu) @@ -5937,17 +5945,9 @@ static void post_kvm_run_save(struct kvm_vcpu *vcpu) kvm_run->flags = is_smm(vcpu) ? KVM_RUN_X86_SMM : 0; kvm_run->cr8 = kvm_get_cr8(vcpu); kvm_run->apic_base = kvm_get_apic_base(vcpu); - if (!irqchip_in_kernel(vcpu->kvm)) - kvm_run->ready_for_interrupt_injection = - kvm_arch_interrupt_allowed(vcpu) && - !kvm_cpu_has_interrupt(vcpu) && - !kvm_event_needs_reinjection(vcpu); - else if (!pic_in_kernel(vcpu->kvm)) - kvm_run->ready_for_interrupt_injection = - kvm_apic_accept_pic_intr(vcpu) && - !kvm_cpu_has_interrupt(vcpu); - else - kvm_run->ready_for_interrupt_injection = 1; + kvm_run->ready_for_interrupt_injection = + pic_in_kernel(vcpu->kvm) || + kvm_vcpu_ready_for_interrupt_injection(vcpu); } static void update_cr8_intercept(struct kvm_vcpu *vcpu) @@ -6360,8 +6360,10 @@ void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, static int vcpu_enter_guest(struct kvm_vcpu *vcpu) { int r; - bool req_int_win = !lapic_in_kernel(vcpu) && - vcpu->run->request_interrupt_window; + bool req_int_win = + dm_request_for_irq_injection(vcpu) && + kvm_cpu_accept_dm_intr(vcpu); + bool req_immediate_exit = false; if (vcpu->requests) { @@ -6663,7 +6665,8 @@ static int vcpu_run(struct kvm_vcpu *vcpu) if (kvm_cpu_has_pending_timer(vcpu)) kvm_inject_pending_timer_irqs(vcpu); - if (dm_request_for_irq_injection(vcpu)) { + if (dm_request_for_irq_injection(vcpu) && + kvm_vcpu_ready_for_interrupt_injection(vcpu)) { r = 0; vcpu->run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN; ++vcpu->stat.request_irq_exits; diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index b0ae85f90f10..b2fd67da1701 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -101,19 +101,19 @@ static int get_reg_offset(struct insn *insn, struct pt_regs *regs, switch (type) { case REG_TYPE_RM: regno = X86_MODRM_RM(insn->modrm.value); - if (X86_REX_B(insn->rex_prefix.value) == 1) + if (X86_REX_B(insn->rex_prefix.value)) regno += 8; break; case REG_TYPE_INDEX: regno = X86_SIB_INDEX(insn->sib.value); - if (X86_REX_X(insn->rex_prefix.value) == 1) + if (X86_REX_X(insn->rex_prefix.value)) regno += 8; break; case REG_TYPE_BASE: regno = X86_SIB_BASE(insn->sib.value); - if (X86_REX_B(insn->rex_prefix.value) == 1) + if (X86_REX_B(insn->rex_prefix.value)) regno += 8; break; @@ -586,6 +586,29 @@ static unsigned long mpx_bd_entry_to_bt_addr(struct mm_struct *mm, } /* + * We only want to do a 4-byte get_user() on 32-bit. Otherwise, + * we might run off the end of the bounds table if we are on + * a 64-bit kernel and try to get 8 bytes. + */ +int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret, + long __user *bd_entry_ptr) +{ + u32 bd_entry_32; + int ret; + + if (is_64bit_mm(mm)) + return get_user(*bd_entry_ret, bd_entry_ptr); + + /* + * Note that get_user() uses the type of the *pointer* to + * establish the size of the get, not the destination. + */ + ret = get_user(bd_entry_32, (u32 __user *)bd_entry_ptr); + *bd_entry_ret = bd_entry_32; + return ret; +} + +/* * Get the base of bounds tables pointed by specific bounds * directory entry. */ @@ -605,7 +628,7 @@ static int get_bt_addr(struct mm_struct *mm, int need_write = 0; pagefault_disable(); - ret = get_user(bd_entry, bd_entry_ptr); + ret = get_user_bd_entry(mm, &bd_entry, bd_entry_ptr); pagefault_enable(); if (!ret) break; @@ -700,11 +723,23 @@ static unsigned long mpx_get_bt_entry_offset_bytes(struct mm_struct *mm, */ static inline unsigned long bd_entry_virt_space(struct mm_struct *mm) { - unsigned long long virt_space = (1ULL << boot_cpu_data.x86_virt_bits); - if (is_64bit_mm(mm)) - return virt_space / MPX_BD_NR_ENTRIES_64; - else - return virt_space / MPX_BD_NR_ENTRIES_32; + unsigned long long virt_space; + unsigned long long GB = (1ULL << 30); + + /* + * This covers 32-bit emulation as well as 32-bit kernels + * running on 64-bit harware. + */ + if (!is_64bit_mm(mm)) + return (4ULL * GB) / MPX_BD_NR_ENTRIES_32; + + /* + * 'x86_virt_bits' returns what the hardware is capable + * of, and returns the full >32-bit adddress space when + * running 32-bit kernels on 64-bit hardware. + */ + virt_space = (1ULL << boot_cpu_data.x86_virt_bits); + return virt_space / MPX_BD_NR_ENTRIES_64; } /* diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c index 7bcf06a7cd12..6eb3c8af96e2 100644 --- a/arch/x86/pci/bus_numa.c +++ b/arch/x86/pci/bus_numa.c @@ -50,18 +50,9 @@ void x86_pci_root_bus_resources(int bus, struct list_head *resources) if (!found) pci_add_resource(resources, &info->busn); - list_for_each_entry(root_res, &info->resources, list) { - struct resource *res; - struct resource *root; + list_for_each_entry(root_res, &info->resources, list) + pci_add_resource(resources, &root_res->res); - res = &root_res->res; - pci_add_resource(resources, res); - if (res->flags & IORESOURCE_IO) - root = &ioport_resource; - else - root = &iomem_resource; - insert_resource(root, res); - } return; default_resources: diff --git a/block/blk-core.c b/block/blk-core.c index 5131993b23a1..a0af4043dda2 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2114,7 +2114,8 @@ blk_qc_t submit_bio(int rw, struct bio *bio) EXPORT_SYMBOL(submit_bio); /** - * blk_rq_check_limits - Helper function to check a request for the queue limit + * blk_cloned_rq_check_limits - Helper function to check a cloned request + * for new the queue limits * @q: the queue * @rq: the request being checked * @@ -2125,20 +2126,13 @@ EXPORT_SYMBOL(submit_bio); * after it is inserted to @q, it should be checked against @q before * the insertion using this generic function. * - * This function should also be useful for request stacking drivers - * in some cases below, so export this function. * Request stacking drivers like request-based dm may change the queue - * limits while requests are in the queue (e.g. dm's table swapping). - * Such request stacking drivers should check those requests against - * the new queue limits again when they dispatch those requests, - * although such checkings are also done against the old queue limits - * when submitting requests. + * limits when retrying requests on other queues. Those requests need + * to be checked against the new queue limits again during dispatch. */ -int blk_rq_check_limits(struct request_queue *q, struct request *rq) +static int blk_cloned_rq_check_limits(struct request_queue *q, + struct request *rq) { - if (!rq_mergeable(rq)) - return 0; - if (blk_rq_sectors(rq) > blk_queue_get_max_sectors(q, rq->cmd_flags)) { printk(KERN_ERR "%s: over max size limit.\n", __func__); return -EIO; @@ -2158,7 +2152,6 @@ int blk_rq_check_limits(struct request_queue *q, struct request *rq) return 0; } -EXPORT_SYMBOL_GPL(blk_rq_check_limits); /** * blk_insert_cloned_request - Helper for stacking drivers to submit a request @@ -2170,7 +2163,7 @@ int blk_insert_cloned_request(struct request_queue *q, struct request *rq) unsigned long flags; int where = ELEVATOR_INSERT_BACK; - if (blk_rq_check_limits(q, rq)) + if (blk_cloned_rq_check_limits(q, rq)) return -EIO; if (rq->rq_disk && diff --git a/block/blk-merge.c b/block/blk-merge.c index de5716d8e525..e01405a3e8b3 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -76,6 +76,9 @@ static struct bio *blk_bio_segment_split(struct request_queue *q, struct bio_vec bv, bvprv, *bvprvp = NULL; struct bvec_iter iter; unsigned seg_size = 0, nsegs = 0, sectors = 0; + unsigned front_seg_size = bio->bi_seg_front_size; + bool do_split = true; + struct bio *new = NULL; bio_for_each_segment(bv, bio, iter) { if (sectors + (bv.bv_len >> 9) > queue_max_sectors(q)) @@ -98,8 +101,11 @@ static struct bio *blk_bio_segment_split(struct request_queue *q, seg_size += bv.bv_len; bvprv = bv; - bvprvp = &bv; + bvprvp = &bvprv; sectors += bv.bv_len >> 9; + + if (nsegs == 1 && seg_size > front_seg_size) + front_seg_size = seg_size; continue; } new_segment: @@ -108,16 +114,29 @@ new_segment: nsegs++; bvprv = bv; - bvprvp = &bv; + bvprvp = &bvprv; seg_size = bv.bv_len; sectors += bv.bv_len >> 9; + + if (nsegs == 1 && seg_size > front_seg_size) + front_seg_size = seg_size; } - *segs = nsegs; - return NULL; + do_split = false; split: *segs = nsegs; - return bio_split(bio, sectors, GFP_NOIO, bs); + + if (do_split) { + new = bio_split(bio, sectors, GFP_NOIO, bs); + if (new) + bio = new; + } + + bio->bi_seg_front_size = front_seg_size; + if (seg_size > bio->bi_seg_back_size) + bio->bi_seg_back_size = seg_size; + + return do_split ? new : NULL; } void blk_queue_split(struct request_queue *q, struct bio **bio, @@ -412,6 +431,12 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq, if (sg) sg_mark_end(sg); + /* + * Something must have been wrong if the figured number of + * segment is bigger than number of req's physical segments + */ + WARN_ON(nsegs > rq->nr_phys_segments); + return nsegs; } EXPORT_SYMBOL(blk_rq_map_sg); diff --git a/block/blk-mq.c b/block/blk-mq.c index 3ae09de62f19..6d6f8feb48c0 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1291,15 +1291,16 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) blk_mq_bio_to_request(rq, bio); /* - * we do limited pluging. If bio can be merged, do merge. + * We do limited pluging. If the bio can be merged, do that. * Otherwise the existing request in the plug list will be * issued. So the plug list will have one request at most */ if (plug) { /* * The plug list might get flushed before this. If that - * happens, same_queue_rq is invalid and plug list is empty - **/ + * happens, same_queue_rq is invalid and plug list is + * empty + */ if (same_queue_rq && !list_empty(&plug->mq_list)) { old_rq = same_queue_rq; list_del_init(&old_rq->queuelist); @@ -1380,12 +1381,15 @@ static blk_qc_t blk_sq_make_request(struct request_queue *q, struct bio *bio) blk_mq_bio_to_request(rq, bio); if (!request_count) trace_block_plug(q); - else if (request_count >= BLK_MAX_REQUEST_COUNT) { + + blk_mq_put_ctx(data.ctx); + + if (request_count >= BLK_MAX_REQUEST_COUNT) { blk_flush_plug_list(plug, false); trace_block_plug(q); } + list_add_tail(&rq->queuelist, &plug->mq_list); - blk_mq_put_ctx(data.ctx); return cookie; } diff --git a/block/blk-settings.c b/block/blk-settings.c index 7d8f129a1516..dd4973583978 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -91,7 +91,8 @@ void blk_set_default_limits(struct queue_limits *lim) lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK; lim->virt_boundary_mask = 0; lim->max_segment_size = BLK_MAX_SEGMENT_SIZE; - lim->max_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; + lim->max_sectors = lim->max_dev_sectors = lim->max_hw_sectors = + BLK_SAFE_MAX_SECTORS; lim->chunk_sectors = 0; lim->max_write_same_sectors = 0; lim->max_discard_sectors = 0; @@ -127,6 +128,7 @@ void blk_set_stacking_limits(struct queue_limits *lim) lim->max_hw_sectors = UINT_MAX; lim->max_segment_size = UINT_MAX; lim->max_sectors = UINT_MAX; + lim->max_dev_sectors = UINT_MAX; lim->max_write_same_sectors = UINT_MAX; } EXPORT_SYMBOL(blk_set_stacking_limits); @@ -214,8 +216,8 @@ void blk_queue_bounce_limit(struct request_queue *q, u64 max_addr) EXPORT_SYMBOL(blk_queue_bounce_limit); /** - * blk_limits_max_hw_sectors - set hard and soft limit of max sectors for request - * @limits: the queue limits + * blk_queue_max_hw_sectors - set max sectors for a request for this queue + * @q: the request queue for the device * @max_hw_sectors: max hardware sectors in the usual 512b unit * * Description: @@ -224,13 +226,19 @@ EXPORT_SYMBOL(blk_queue_bounce_limit); * the device driver based upon the capabilities of the I/O * controller. * + * max_dev_sectors is a hard limit imposed by the storage device for + * READ/WRITE requests. It is set by the disk driver. + * * max_sectors is a soft limit imposed by the block layer for * filesystem type requests. This value can be overridden on a * per-device basis in /sys/block/<device>/queue/max_sectors_kb. * The soft limit can not exceed max_hw_sectors. **/ -void blk_limits_max_hw_sectors(struct queue_limits *limits, unsigned int max_hw_sectors) +void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors) { + struct queue_limits *limits = &q->limits; + unsigned int max_sectors; + if ((max_hw_sectors << 9) < PAGE_CACHE_SIZE) { max_hw_sectors = 1 << (PAGE_CACHE_SHIFT - 9); printk(KERN_INFO "%s: set to minimum %d\n", @@ -238,22 +246,9 @@ void blk_limits_max_hw_sectors(struct queue_limits *limits, unsigned int max_hw_ } limits->max_hw_sectors = max_hw_sectors; - limits->max_sectors = min_t(unsigned int, max_hw_sectors, - BLK_DEF_MAX_SECTORS); -} -EXPORT_SYMBOL(blk_limits_max_hw_sectors); - -/** - * blk_queue_max_hw_sectors - set max sectors for a request for this queue - * @q: the request queue for the device - * @max_hw_sectors: max hardware sectors in the usual 512b unit - * - * Description: - * See description for blk_limits_max_hw_sectors(). - **/ -void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors) -{ - blk_limits_max_hw_sectors(&q->limits, max_hw_sectors); + max_sectors = min_not_zero(max_hw_sectors, limits->max_dev_sectors); + max_sectors = min_t(unsigned int, max_sectors, BLK_DEF_MAX_SECTORS); + limits->max_sectors = max_sectors; } EXPORT_SYMBOL(blk_queue_max_hw_sectors); @@ -527,6 +522,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->max_sectors = min_not_zero(t->max_sectors, b->max_sectors); t->max_hw_sectors = min_not_zero(t->max_hw_sectors, b->max_hw_sectors); + t->max_dev_sectors = min_not_zero(t->max_dev_sectors, b->max_dev_sectors); t->max_write_same_sectors = min(t->max_write_same_sectors, b->max_write_same_sectors); t->bounce_pfn = min_not_zero(t->bounce_pfn, b->bounce_pfn); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 565b8dac5782..e140cc487ce1 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -205,6 +205,9 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count) if (ret < 0) return ret; + max_hw_sectors_kb = min_not_zero(max_hw_sectors_kb, (unsigned long) + q->limits.max_dev_sectors >> 1); + if (max_sectors_kb > max_hw_sectors_kb || max_sectors_kb < page_kb) return -EINVAL; diff --git a/block/blk-timeout.c b/block/blk-timeout.c index 246dfb16c3d9..aa40aa93381b 100644 --- a/block/blk-timeout.c +++ b/block/blk-timeout.c @@ -158,11 +158,13 @@ void blk_abort_request(struct request *req) { if (blk_mark_rq_complete(req)) return; - blk_delete_timer(req); - if (req->q->mq_ops) + + if (req->q->mq_ops) { blk_mq_rq_timed_out(req, false); - else + } else { + blk_delete_timer(req); blk_rq_timed_out(req); + } } EXPORT_SYMBOL_GPL(blk_abort_request); diff --git a/block/blk.h b/block/blk.h index da722eb786df..c43926d3d74d 100644 --- a/block/blk.h +++ b/block/blk.h @@ -72,8 +72,6 @@ void blk_dequeue_request(struct request *rq); void __blk_queue_free_tags(struct request_queue *q); bool __blk_end_bidi_request(struct request *rq, int error, unsigned int nr_bytes, unsigned int bidi_bytes); -int blk_queue_enter(struct request_queue *q, gfp_t gfp); -void blk_queue_exit(struct request_queue *q); void blk_freeze_queue(struct request_queue *q); static inline void blk_queue_enter_live(struct request_queue *q) diff --git a/block/noop-iosched.c b/block/noop-iosched.c index 3de89d4690f3..a163c487cf38 100644 --- a/block/noop-iosched.c +++ b/block/noop-iosched.c @@ -21,10 +21,10 @@ static void noop_merged_requests(struct request_queue *q, struct request *rq, static int noop_dispatch(struct request_queue *q, int force) { struct noop_data *nd = q->elevator->elevator_data; + struct request *rq; - if (!list_empty(&nd->queue)) { - struct request *rq; - rq = list_entry(nd->queue.next, struct request, queuelist); + rq = list_first_entry_or_null(&nd->queue, struct request, queuelist); + if (rq) { list_del_init(&rq->queuelist); elv_dispatch_sort(q, rq); return 1; @@ -46,7 +46,7 @@ noop_former_request(struct request_queue *q, struct request *rq) if (rq->queuelist.prev == &nd->queue) return NULL; - return list_entry(rq->queuelist.prev, struct request, queuelist); + return list_prev_entry(rq, queuelist); } static struct request * @@ -56,7 +56,7 @@ noop_latter_request(struct request_queue *q, struct request *rq) if (rq->queuelist.next == &nd->queue) return NULL; - return list_entry(rq->queuelist.next, struct request, queuelist); + return list_next_entry(rq, queuelist); } static int noop_init_queue(struct request_queue *q, struct elevator_type *e) diff --git a/block/partition-generic.c b/block/partition-generic.c index 3b030157ec85..746935a5973c 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -397,7 +397,7 @@ static int drop_partitions(struct gendisk *disk, struct block_device *bdev) struct hd_struct *part; int res; - if (bdev->bd_part_count) + if (bdev->bd_part_count || bdev->bd_super) return -EBUSY; res = invalidate_partition(disk, 0); if (res) diff --git a/block/partitions/mac.c b/block/partitions/mac.c index c2c48ec64b27..621317ac4d59 100644 --- a/block/partitions/mac.c +++ b/block/partitions/mac.c @@ -32,7 +32,7 @@ int mac_partition(struct parsed_partitions *state) Sector sect; unsigned char *data; int slot, blocks_in_map; - unsigned secsize; + unsigned secsize, datasize, partoffset; #ifdef CONFIG_PPC_PMAC int found_root = 0; int found_root_goodness = 0; @@ -50,10 +50,14 @@ int mac_partition(struct parsed_partitions *state) } secsize = be16_to_cpu(md->block_size); put_dev_sector(sect); - data = read_part_sector(state, secsize/512, §); + datasize = round_down(secsize, 512); + data = read_part_sector(state, datasize / 512, §); if (!data) return -1; - part = (struct mac_partition *) (data + secsize%512); + partoffset = secsize % 512; + if (partoffset + sizeof(*part) > datasize) + return -1; + part = (struct mac_partition *) (data + partoffset); if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) { put_dev_sector(sect); return 0; /* not a MacOS disk */ diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index 0aa6fdfb448a..6d4d4569447e 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -125,7 +125,7 @@ static int aead_wait_for_data(struct sock *sk, unsigned flags) if (flags & MSG_DONTWAIT) return -EAGAIN; - set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); for (;;) { if (signal_pending(current)) @@ -139,7 +139,7 @@ static int aead_wait_for_data(struct sock *sk, unsigned flags) } finish_wait(sk_sleep(sk), &wait); - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); return err; } diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index af31a0ee4057..ca9efe17db1a 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -212,7 +212,7 @@ static int skcipher_wait_for_wmem(struct sock *sk, unsigned flags) if (flags & MSG_DONTWAIT) return -EAGAIN; - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); for (;;) { if (signal_pending(current)) @@ -258,7 +258,7 @@ static int skcipher_wait_for_data(struct sock *sk, unsigned flags) return -EAGAIN; } - set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); for (;;) { if (signal_pending(current)) @@ -272,7 +272,7 @@ static int skcipher_wait_for_data(struct sock *sk, unsigned flags) } finish_wait(sk_sleep(sk), &wait); - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); return err; } diff --git a/drivers/Makefile b/drivers/Makefile index 73d039156ea7..795d0ca714bf 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -63,6 +63,7 @@ obj-$(CONFIG_FB_I810) += video/fbdev/i810/ obj-$(CONFIG_FB_INTEL) += video/fbdev/intelfb/ obj-$(CONFIG_PARPORT) += parport/ +obj-$(CONFIG_NVM) += lightnvm/ obj-y += base/ block/ misc/ mfd/ nfc/ obj-$(CONFIG_LIBNVDIMM) += nvdimm/ obj-$(CONFIG_DMA_SHARED_BUFFER) += dma-buf/ @@ -70,7 +71,6 @@ obj-$(CONFIG_NUBUS) += nubus/ obj-y += macintosh/ obj-$(CONFIG_IDE) += ide/ obj-$(CONFIG_SCSI) += scsi/ -obj-$(CONFIG_NVM) += lightnvm/ obj-y += nvme/ obj-$(CONFIG_ATA) += ata/ obj-$(CONFIG_TARGET_CORE) += target/ diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 25dbb76c02cc..5eef4cb4f70e 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -58,10 +58,10 @@ config ACPI_CCA_REQUIRED bool config ACPI_DEBUGGER - bool "In-kernel debugger (EXPERIMENTAL)" + bool "AML debugger interface (EXPERIMENTAL)" select ACPI_DEBUG help - Enable in-kernel debugging facilities: statistics, internal + Enable in-kernel debugging of AML facilities: statistics, internal object dump, single step control method execution. This is still under development, currently enabling this only results in the compilation of the ACPICA debugger files. diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 3c083d2cc434..6730f965b379 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -304,7 +304,7 @@ EXPORT_SYMBOL_GPL(acpi_get_psd_map); static int register_pcc_channel(int pcc_subspace_idx) { - struct acpi_pcct_subspace *cppc_ss; + struct acpi_pcct_hw_reduced *cppc_ss; unsigned int len; if (pcc_subspace_idx >= 0) { diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index f61a7c834540..b420fb46669d 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1103,7 +1103,7 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) } err_exit: - if (result && q) + if (result) acpi_ec_delete_query(q); if (data) *data = value; diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index f7dab53b352a..e7ed39bab97d 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -233,11 +233,12 @@ static bool add_spa(struct acpi_nfit_desc *acpi_desc, struct nfit_table_prev *prev, struct acpi_nfit_system_address *spa) { + size_t length = min_t(size_t, sizeof(*spa), spa->header.length); struct device *dev = acpi_desc->dev; struct nfit_spa *nfit_spa; list_for_each_entry(nfit_spa, &prev->spas, list) { - if (memcmp(nfit_spa->spa, spa, sizeof(*spa)) == 0) { + if (memcmp(nfit_spa->spa, spa, length) == 0) { list_move_tail(&nfit_spa->list, &acpi_desc->spas); return true; } @@ -259,11 +260,12 @@ static bool add_memdev(struct acpi_nfit_desc *acpi_desc, struct nfit_table_prev *prev, struct acpi_nfit_memory_map *memdev) { + size_t length = min_t(size_t, sizeof(*memdev), memdev->header.length); struct device *dev = acpi_desc->dev; struct nfit_memdev *nfit_memdev; list_for_each_entry(nfit_memdev, &prev->memdevs, list) - if (memcmp(nfit_memdev->memdev, memdev, sizeof(*memdev)) == 0) { + if (memcmp(nfit_memdev->memdev, memdev, length) == 0) { list_move_tail(&nfit_memdev->list, &acpi_desc->memdevs); return true; } @@ -284,11 +286,12 @@ static bool add_dcr(struct acpi_nfit_desc *acpi_desc, struct nfit_table_prev *prev, struct acpi_nfit_control_region *dcr) { + size_t length = min_t(size_t, sizeof(*dcr), dcr->header.length); struct device *dev = acpi_desc->dev; struct nfit_dcr *nfit_dcr; list_for_each_entry(nfit_dcr, &prev->dcrs, list) - if (memcmp(nfit_dcr->dcr, dcr, sizeof(*dcr)) == 0) { + if (memcmp(nfit_dcr->dcr, dcr, length) == 0) { list_move_tail(&nfit_dcr->list, &acpi_desc->dcrs); return true; } @@ -308,11 +311,12 @@ static bool add_bdw(struct acpi_nfit_desc *acpi_desc, struct nfit_table_prev *prev, struct acpi_nfit_data_region *bdw) { + size_t length = min_t(size_t, sizeof(*bdw), bdw->header.length); struct device *dev = acpi_desc->dev; struct nfit_bdw *nfit_bdw; list_for_each_entry(nfit_bdw, &prev->bdws, list) - if (memcmp(nfit_bdw->bdw, bdw, sizeof(*bdw)) == 0) { + if (memcmp(nfit_bdw->bdw, bdw, length) == 0) { list_move_tail(&nfit_bdw->list, &acpi_desc->bdws); return true; } @@ -332,11 +336,12 @@ static bool add_idt(struct acpi_nfit_desc *acpi_desc, struct nfit_table_prev *prev, struct acpi_nfit_interleave *idt) { + size_t length = min_t(size_t, sizeof(*idt), idt->header.length); struct device *dev = acpi_desc->dev; struct nfit_idt *nfit_idt; list_for_each_entry(nfit_idt, &prev->idts, list) - if (memcmp(nfit_idt->idt, idt, sizeof(*idt)) == 0) { + if (memcmp(nfit_idt->idt, idt, length) == 0) { list_move_tail(&nfit_idt->list, &acpi_desc->idts); return true; } @@ -356,11 +361,12 @@ static bool add_flush(struct acpi_nfit_desc *acpi_desc, struct nfit_table_prev *prev, struct acpi_nfit_flush_address *flush) { + size_t length = min_t(size_t, sizeof(*flush), flush->header.length); struct device *dev = acpi_desc->dev; struct nfit_flush *nfit_flush; list_for_each_entry(nfit_flush, &prev->flushes, list) - if (memcmp(nfit_flush->flush, flush, sizeof(*flush)) == 0) { + if (memcmp(nfit_flush->flush, flush, length) == 0) { list_move_tail(&nfit_flush->list, &acpi_desc->flushes); return true; } @@ -655,7 +661,7 @@ static ssize_t revision_show(struct device *dev, struct nvdimm_bus_descriptor *nd_desc = to_nd_desc(nvdimm_bus); struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc); - return sprintf(buf, "%d\n", acpi_desc->nfit->header.revision); + return sprintf(buf, "%d\n", acpi_desc->acpi_header.revision); } static DEVICE_ATTR_RO(revision); @@ -1652,7 +1658,6 @@ int acpi_nfit_init(struct acpi_nfit_desc *acpi_desc, acpi_size sz) data = (u8 *) acpi_desc->nfit; end = data + sz; - data += sizeof(struct acpi_table_nfit); while (!IS_ERR_OR_NULL(data)) data = add_table(acpi_desc, &prev, data, end); @@ -1748,13 +1753,29 @@ static int acpi_nfit_add(struct acpi_device *adev) return PTR_ERR(acpi_desc); } - acpi_desc->nfit = (struct acpi_table_nfit *) tbl; + /* + * Save the acpi header for later and then skip it, + * making nfit point to the first nfit table header. + */ + acpi_desc->acpi_header = *tbl; + acpi_desc->nfit = (void *) tbl + sizeof(struct acpi_table_nfit); + sz -= sizeof(struct acpi_table_nfit); /* Evaluate _FIT and override with that if present */ status = acpi_evaluate_object(adev->handle, "_FIT", NULL, &buf); if (ACPI_SUCCESS(status) && buf.length > 0) { - acpi_desc->nfit = (struct acpi_table_nfit *)buf.pointer; - sz = buf.length; + union acpi_object *obj; + /* + * Adjust for the acpi_object header of the _FIT + */ + obj = buf.pointer; + if (obj->type == ACPI_TYPE_BUFFER) { + acpi_desc->nfit = + (struct acpi_nfit_header *)obj->buffer.pointer; + sz = obj->buffer.length; + } else + dev_dbg(dev, "%s invalid type %d, ignoring _FIT\n", + __func__, (int) obj->type); } rc = acpi_nfit_init(acpi_desc, sz); @@ -1777,7 +1798,8 @@ static void acpi_nfit_notify(struct acpi_device *adev, u32 event) { struct acpi_nfit_desc *acpi_desc = dev_get_drvdata(&adev->dev); struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL }; - struct acpi_table_nfit *nfit_saved; + struct acpi_nfit_header *nfit_saved; + union acpi_object *obj; struct device *dev = &adev->dev; acpi_status status; int ret; @@ -1808,12 +1830,19 @@ static void acpi_nfit_notify(struct acpi_device *adev, u32 event) } nfit_saved = acpi_desc->nfit; - acpi_desc->nfit = (struct acpi_table_nfit *)buf.pointer; - ret = acpi_nfit_init(acpi_desc, buf.length); - if (!ret) { - /* Merge failed, restore old nfit, and exit */ - acpi_desc->nfit = nfit_saved; - dev_err(dev, "failed to merge updated NFIT\n"); + obj = buf.pointer; + if (obj->type == ACPI_TYPE_BUFFER) { + acpi_desc->nfit = + (struct acpi_nfit_header *)obj->buffer.pointer; + ret = acpi_nfit_init(acpi_desc, obj->buffer.length); + if (ret) { + /* Merge failed, restore old nfit, and exit */ + acpi_desc->nfit = nfit_saved; + dev_err(dev, "failed to merge updated NFIT\n"); + } + } else { + /* Bad _FIT, restore old nfit */ + dev_err(dev, "Invalid _FIT\n"); } kfree(buf.pointer); diff --git a/drivers/acpi/nfit.h b/drivers/acpi/nfit.h index 2ea5c0797c8f..3d549a383659 100644 --- a/drivers/acpi/nfit.h +++ b/drivers/acpi/nfit.h @@ -96,7 +96,8 @@ struct nfit_mem { struct acpi_nfit_desc { struct nvdimm_bus_descriptor nd_desc; - struct acpi_table_nfit *nfit; + struct acpi_table_header acpi_header; + struct acpi_nfit_header *nfit; struct mutex spa_map_mutex; struct mutex init_mutex; struct list_head spa_maps; diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 850d7bf0c873..ae3fe4e64203 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -768,6 +768,13 @@ static void pci_acpi_root_add_resources(struct acpi_pci_root_info *info) else continue; + /* + * Some legacy x86 host bridge drivers use iomem_resource and + * ioport_resource as default resource pool, skip it. + */ + if (res == root) + continue; + conflict = insert_resource_conflict(root, res); if (conflict) { dev_info(&info->bridge->dev, diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c index bf034f8b7c1a..2fa8304171e0 100644 --- a/drivers/acpi/sbshc.c +++ b/drivers/acpi/sbshc.c @@ -14,7 +14,6 @@ #include <linux/delay.h> #include <linux/module.h> #include <linux/interrupt.h> -#include <linux/dmi.h> #include "sbshc.h" #define PREFIX "ACPI: " @@ -30,6 +29,7 @@ struct acpi_smb_hc { u8 query_bit; smbus_alarm_callback callback; void *context; + bool done; }; static int acpi_smbus_hc_add(struct acpi_device *device); @@ -88,8 +88,6 @@ enum acpi_smb_offset { ACPI_SMB_ALARM_DATA = 0x26, /* 2 bytes alarm data */ }; -static bool macbook; - static inline int smb_hc_read(struct acpi_smb_hc *hc, u8 address, u8 *data) { return ec_read(hc->offset + address, data); @@ -100,27 +98,11 @@ static inline int smb_hc_write(struct acpi_smb_hc *hc, u8 address, u8 data) return ec_write(hc->offset + address, data); } -static inline int smb_check_done(struct acpi_smb_hc *hc) -{ - union acpi_smb_status status = {.raw = 0}; - smb_hc_read(hc, ACPI_SMB_STATUS, &status.raw); - return status.fields.done && (status.fields.status == SMBUS_OK); -} - static int wait_transaction_complete(struct acpi_smb_hc *hc, int timeout) { - if (wait_event_timeout(hc->wait, smb_check_done(hc), - msecs_to_jiffies(timeout))) + if (wait_event_timeout(hc->wait, hc->done, msecs_to_jiffies(timeout))) return 0; - /* - * After the timeout happens, OS will try to check the status of SMbus. - * If the status is what OS expected, it will be regarded as the bogus - * timeout. - */ - if (smb_check_done(hc)) - return 0; - else - return -ETIME; + return -ETIME; } static int acpi_smbus_transaction(struct acpi_smb_hc *hc, u8 protocol, @@ -135,8 +117,7 @@ static int acpi_smbus_transaction(struct acpi_smb_hc *hc, u8 protocol, } mutex_lock(&hc->lock); - if (macbook) - udelay(5); + hc->done = false; if (smb_hc_read(hc, ACPI_SMB_PROTOCOL, &temp)) goto end; if (temp) { @@ -235,8 +216,10 @@ static int smbus_alarm(void *context) if (smb_hc_read(hc, ACPI_SMB_STATUS, &status.raw)) return 0; /* Check if it is only a completion notify */ - if (status.fields.done) + if (status.fields.done && status.fields.status == SMBUS_OK) { + hc->done = true; wake_up(&hc->wait); + } if (!status.fields.alarm) return 0; mutex_lock(&hc->lock); @@ -262,29 +245,12 @@ extern int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, acpi_handle handle, acpi_ec_query_func func, void *data); -static int macbook_dmi_match(const struct dmi_system_id *d) -{ - pr_debug("Detected MacBook, enabling workaround\n"); - macbook = true; - return 0; -} - -static struct dmi_system_id acpi_smbus_dmi_table[] = { - { macbook_dmi_match, "Apple MacBook", { - DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), - DMI_MATCH(DMI_PRODUCT_NAME, "MacBook") }, - }, - { }, -}; - static int acpi_smbus_hc_add(struct acpi_device *device) { int status; unsigned long long val; struct acpi_smb_hc *hc; - dmi_check_system(acpi_smbus_dmi_table); - if (!device) return -EINVAL; diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index e03b1ad25a90..167418e73445 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1775,10 +1775,10 @@ int genpd_dev_pm_attach(struct device *dev) } pd = of_genpd_get_from_provider(&pd_args); + of_node_put(pd_args.np); if (IS_ERR(pd)) { dev_dbg(dev, "%s() failed to find PM domain: %ld\n", __func__, PTR_ERR(pd)); - of_node_put(dev->of_node); return -EPROBE_DEFER; } @@ -1796,7 +1796,6 @@ int genpd_dev_pm_attach(struct device *dev) if (ret < 0) { dev_err(dev, "failed to add to PM domain %s: %d", pd->name, ret); - of_node_put(dev->of_node); goto out; } diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c index e60dd12e23aa..1e937ac5f456 100644 --- a/drivers/base/power/domain_governor.c +++ b/drivers/base/power/domain_governor.c @@ -160,9 +160,6 @@ static bool default_power_down_ok(struct dev_pm_domain *pd) struct gpd_timing_data *td; s64 constraint_ns; - if (!pdd->dev->driver) - continue; - /* * Check if the device is allowed to be off long enough for the * domain to turn off and on (that's how much time it will diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c index eb6e67451dec..0d77cd6fd8d1 100644 --- a/drivers/base/power/wakeirq.c +++ b/drivers/base/power/wakeirq.c @@ -68,6 +68,9 @@ int dev_pm_set_wake_irq(struct device *dev, int irq) struct wake_irq *wirq; int err; + if (irq < 0) + return -EINVAL; + wirq = kzalloc(sizeof(*wirq), GFP_KERNEL); if (!wirq) return -ENOMEM; @@ -167,6 +170,9 @@ int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq) struct wake_irq *wirq; int err; + if (irq < 0) + return -EINVAL; + wirq = kzalloc(sizeof(*wirq), GFP_KERNEL); if (!wirq) return -ENOMEM; diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index a28a562f7b7f..3457ac8c03e2 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3810,7 +3810,6 @@ static int mtip_block_initialize(struct driver_data *dd) sector_t capacity; unsigned int index = 0; struct kobject *kobj; - unsigned char thd_name[16]; if (dd->disk) goto skip_create_disk; /* hw init done, before rebuild */ @@ -3958,10 +3957,9 @@ skip_create_disk: } start_service_thread: - sprintf(thd_name, "mtip_svc_thd_%02d", index); dd->mtip_svc_handler = kthread_create_on_node(mtip_service_thread, - dd, dd->numa_node, "%s", - thd_name); + dd, dd->numa_node, + "mtip_svc_thd_%02d", index); if (IS_ERR(dd->mtip_svc_handler)) { dev_err(&dd->pdev->dev, "service thread failed to start\n"); diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 6255d1c4bba4..0c3940ec5e62 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -8,6 +8,7 @@ #include <linux/slab.h> #include <linux/blk-mq.h> #include <linux/hrtimer.h> +#include <linux/lightnvm.h> struct nullb_cmd { struct list_head list; @@ -17,6 +18,7 @@ struct nullb_cmd { struct bio *bio; unsigned int tag; struct nullb_queue *nq; + struct hrtimer timer; }; struct nullb_queue { @@ -39,23 +41,14 @@ struct nullb { struct nullb_queue *queues; unsigned int nr_queues; + char disk_name[DISK_NAME_LEN]; }; static LIST_HEAD(nullb_list); static struct mutex lock; static int null_major; static int nullb_indexes; - -struct completion_queue { - struct llist_head list; - struct hrtimer timer; -}; - -/* - * These are per-cpu for now, they will need to be configured by the - * complete_queues parameter and appropriately mapped. - */ -static DEFINE_PER_CPU(struct completion_queue, completion_queues); +static struct kmem_cache *ppa_cache; enum { NULL_IRQ_NONE = 0, @@ -119,6 +112,10 @@ static int nr_devices = 2; module_param(nr_devices, int, S_IRUGO); MODULE_PARM_DESC(nr_devices, "Number of devices to register"); +static bool use_lightnvm; +module_param(use_lightnvm, bool, S_IRUGO); +MODULE_PARM_DESC(use_lightnvm, "Register as a LightNVM device"); + static int irqmode = NULL_IRQ_SOFTIRQ; static int null_set_irqmode(const char *str, const struct kernel_param *kp) @@ -135,8 +132,8 @@ static const struct kernel_param_ops null_irqmode_param_ops = { device_param_cb(irqmode, &null_irqmode_param_ops, &irqmode, S_IRUGO); MODULE_PARM_DESC(irqmode, "IRQ completion handler. 0-none, 1-softirq, 2-timer"); -static int completion_nsec = 10000; -module_param(completion_nsec, int, S_IRUGO); +static unsigned long completion_nsec = 10000; +module_param(completion_nsec, ulong, S_IRUGO); MODULE_PARM_DESC(completion_nsec, "Time in ns to complete a request in hardware. Default: 10,000ns"); static int hw_queue_depth = 64; @@ -173,6 +170,8 @@ static void free_cmd(struct nullb_cmd *cmd) put_tag(cmd->nq, cmd->tag); } +static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer); + static struct nullb_cmd *__alloc_cmd(struct nullb_queue *nq) { struct nullb_cmd *cmd; @@ -183,6 +182,11 @@ static struct nullb_cmd *__alloc_cmd(struct nullb_queue *nq) cmd = &nq->cmds[tag]; cmd->tag = tag; cmd->nq = nq; + if (irqmode == NULL_IRQ_TIMER) { + hrtimer_init(&cmd->timer, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); + cmd->timer.function = null_cmd_timer_expired; + } return cmd; } @@ -213,6 +217,8 @@ static struct nullb_cmd *alloc_cmd(struct nullb_queue *nq, int can_wait) static void end_cmd(struct nullb_cmd *cmd) { + struct request_queue *q = NULL; + switch (queue_mode) { case NULL_Q_MQ: blk_mq_end_request(cmd->rq, 0); @@ -223,55 +229,37 @@ static void end_cmd(struct nullb_cmd *cmd) break; case NULL_Q_BIO: bio_endio(cmd->bio); - break; + goto free_cmd; } + if (cmd->rq) + q = cmd->rq->q; + + /* Restart queue if needed, as we are freeing a tag */ + if (q && !q->mq_ops && blk_queue_stopped(q)) { + unsigned long flags; + + spin_lock_irqsave(q->queue_lock, flags); + if (blk_queue_stopped(q)) + blk_start_queue(q); + spin_unlock_irqrestore(q->queue_lock, flags); + } +free_cmd: free_cmd(cmd); } static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) { - struct completion_queue *cq; - struct llist_node *entry; - struct nullb_cmd *cmd; - - cq = &per_cpu(completion_queues, smp_processor_id()); - - while ((entry = llist_del_all(&cq->list)) != NULL) { - entry = llist_reverse_order(entry); - do { - struct request_queue *q = NULL; - - cmd = container_of(entry, struct nullb_cmd, ll_list); - entry = entry->next; - if (cmd->rq) - q = cmd->rq->q; - end_cmd(cmd); - - if (q && !q->mq_ops && blk_queue_stopped(q)) { - spin_lock(q->queue_lock); - if (blk_queue_stopped(q)) - blk_start_queue(q); - spin_unlock(q->queue_lock); - } - } while (entry); - } + end_cmd(container_of(timer, struct nullb_cmd, timer)); return HRTIMER_NORESTART; } static void null_cmd_end_timer(struct nullb_cmd *cmd) { - struct completion_queue *cq = &per_cpu(completion_queues, get_cpu()); - - cmd->ll_list.next = NULL; - if (llist_add(&cmd->ll_list, &cq->list)) { - ktime_t kt = ktime_set(0, completion_nsec); + ktime_t kt = ktime_set(0, completion_nsec); - hrtimer_start(&cq->timer, kt, HRTIMER_MODE_REL_PINNED); - } - - put_cpu(); + hrtimer_start(&cmd->timer, kt, HRTIMER_MODE_REL); } static void null_softirq_done_fn(struct request *rq) @@ -369,6 +357,10 @@ static int null_queue_rq(struct blk_mq_hw_ctx *hctx, { struct nullb_cmd *cmd = blk_mq_rq_to_pdu(bd->rq); + if (irqmode == NULL_IRQ_TIMER) { + hrtimer_init(&cmd->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + cmd->timer.function = null_cmd_timer_expired; + } cmd->rq = bd->rq; cmd->nq = hctx->driver_data; @@ -427,15 +419,156 @@ static void null_del_dev(struct nullb *nullb) { list_del_init(&nullb->list); - del_gendisk(nullb->disk); + if (use_lightnvm) + nvm_unregister(nullb->disk_name); + else + del_gendisk(nullb->disk); blk_cleanup_queue(nullb->q); if (queue_mode == NULL_Q_MQ) blk_mq_free_tag_set(&nullb->tag_set); - put_disk(nullb->disk); + if (!use_lightnvm) + put_disk(nullb->disk); cleanup_queues(nullb); kfree(nullb); } +#ifdef CONFIG_NVM + +static void null_lnvm_end_io(struct request *rq, int error) +{ + struct nvm_rq *rqd = rq->end_io_data; + struct nvm_dev *dev = rqd->dev; + + dev->mt->end_io(rqd, error); + + blk_put_request(rq); +} + +static int null_lnvm_submit_io(struct request_queue *q, struct nvm_rq *rqd) +{ + struct request *rq; + struct bio *bio = rqd->bio; + + rq = blk_mq_alloc_request(q, bio_rw(bio), GFP_KERNEL, 0); + if (IS_ERR(rq)) + return -ENOMEM; + + rq->cmd_type = REQ_TYPE_DRV_PRIV; + rq->__sector = bio->bi_iter.bi_sector; + rq->ioprio = bio_prio(bio); + + if (bio_has_data(bio)) + rq->nr_phys_segments = bio_phys_segments(q, bio); + + rq->__data_len = bio->bi_iter.bi_size; + rq->bio = rq->biotail = bio; + + rq->end_io_data = rqd; + + blk_execute_rq_nowait(q, NULL, rq, 0, null_lnvm_end_io); + + return 0; +} + +static int null_lnvm_id(struct request_queue *q, struct nvm_id *id) +{ + sector_t size = gb * 1024 * 1024 * 1024ULL; + sector_t blksize; + struct nvm_id_group *grp; + + id->ver_id = 0x1; + id->vmnt = 0; + id->cgrps = 1; + id->cap = 0x3; + id->dom = 0x1; + + id->ppaf.blk_offset = 0; + id->ppaf.blk_len = 16; + id->ppaf.pg_offset = 16; + id->ppaf.pg_len = 16; + id->ppaf.sect_offset = 32; + id->ppaf.sect_len = 8; + id->ppaf.pln_offset = 40; + id->ppaf.pln_len = 8; + id->ppaf.lun_offset = 48; + id->ppaf.lun_len = 8; + id->ppaf.ch_offset = 56; + id->ppaf.ch_len = 8; + + do_div(size, bs); /* convert size to pages */ + do_div(size, 256); /* concert size to pgs pr blk */ + grp = &id->groups[0]; + grp->mtype = 0; + grp->fmtype = 0; + grp->num_ch = 1; + grp->num_pg = 256; + blksize = size; + do_div(size, (1 << 16)); + grp->num_lun = size + 1; + do_div(blksize, grp->num_lun); + grp->num_blk = blksize; + grp->num_pln = 1; + + grp->fpg_sz = bs; + grp->csecs = bs; + grp->trdt = 25000; + grp->trdm = 25000; + grp->tprt = 500000; + grp->tprm = 500000; + grp->tbet = 1500000; + grp->tbem = 1500000; + grp->mpos = 0x010101; /* single plane rwe */ + grp->cpar = hw_queue_depth; + + return 0; +} + +static void *null_lnvm_create_dma_pool(struct request_queue *q, char *name) +{ + mempool_t *virtmem_pool; + + virtmem_pool = mempool_create_slab_pool(64, ppa_cache); + if (!virtmem_pool) { + pr_err("null_blk: Unable to create virtual memory pool\n"); + return NULL; + } + + return virtmem_pool; +} + +static void null_lnvm_destroy_dma_pool(void *pool) +{ + mempool_destroy(pool); +} + +static void *null_lnvm_dev_dma_alloc(struct request_queue *q, void *pool, + gfp_t mem_flags, dma_addr_t *dma_handler) +{ + return mempool_alloc(pool, mem_flags); +} + +static void null_lnvm_dev_dma_free(void *pool, void *entry, + dma_addr_t dma_handler) +{ + mempool_free(entry, pool); +} + +static struct nvm_dev_ops null_lnvm_dev_ops = { + .identity = null_lnvm_id, + .submit_io = null_lnvm_submit_io, + + .create_dma_pool = null_lnvm_create_dma_pool, + .destroy_dma_pool = null_lnvm_destroy_dma_pool, + .dev_dma_alloc = null_lnvm_dev_dma_alloc, + .dev_dma_free = null_lnvm_dev_dma_free, + + /* Simulate nvme protocol restriction */ + .max_phys_sect = 64, +}; +#else +static struct nvm_dev_ops null_lnvm_dev_ops; +#endif /* CONFIG_NVM */ + static int null_open(struct block_device *bdev, fmode_t mode) { return 0; @@ -575,11 +708,6 @@ static int null_add_dev(void) queue_flag_set_unlocked(QUEUE_FLAG_NONROT, nullb->q); queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, nullb->q); - disk = nullb->disk = alloc_disk_node(1, home_node); - if (!disk) { - rv = -ENOMEM; - goto out_cleanup_blk_queue; - } mutex_lock(&lock); list_add_tail(&nullb->list, &nullb_list); @@ -589,6 +717,21 @@ static int null_add_dev(void) blk_queue_logical_block_size(nullb->q, bs); blk_queue_physical_block_size(nullb->q, bs); + sprintf(nullb->disk_name, "nullb%d", nullb->index); + + if (use_lightnvm) { + rv = nvm_register(nullb->q, nullb->disk_name, + &null_lnvm_dev_ops); + if (rv) + goto out_cleanup_blk_queue; + goto done; + } + + disk = nullb->disk = alloc_disk_node(1, home_node); + if (!disk) { + rv = -ENOMEM; + goto out_cleanup_lightnvm; + } size = gb * 1024 * 1024 * 1024ULL; set_capacity(disk, size >> 9); @@ -598,10 +741,15 @@ static int null_add_dev(void) disk->fops = &null_fops; disk->private_data = nullb; disk->queue = nullb->q; - sprintf(disk->disk_name, "nullb%d", nullb->index); + strncpy(disk->disk_name, nullb->disk_name, DISK_NAME_LEN); + add_disk(disk); +done: return 0; +out_cleanup_lightnvm: + if (use_lightnvm) + nvm_unregister(nullb->disk_name); out_cleanup_blk_queue: blk_cleanup_queue(nullb->q); out_cleanup_tags: @@ -625,6 +773,18 @@ static int __init null_init(void) bs = PAGE_SIZE; } + if (use_lightnvm && bs != 4096) { + pr_warn("null_blk: LightNVM only supports 4k block size\n"); + pr_warn("null_blk: defaults block size to 4k\n"); + bs = 4096; + } + + if (use_lightnvm && queue_mode != NULL_Q_MQ) { + pr_warn("null_blk: LightNVM only supported for blk-mq\n"); + pr_warn("null_blk: defaults queue mode to blk-mq\n"); + queue_mode = NULL_Q_MQ; + } + if (queue_mode == NULL_Q_MQ && use_per_node_hctx) { if (submit_queues < nr_online_nodes) { pr_warn("null_blk: submit_queues param is set to %u.", @@ -638,32 +798,31 @@ static int __init null_init(void) mutex_init(&lock); - /* Initialize a separate list for each CPU for issuing softirqs */ - for_each_possible_cpu(i) { - struct completion_queue *cq = &per_cpu(completion_queues, i); - - init_llist_head(&cq->list); - - if (irqmode != NULL_IRQ_TIMER) - continue; - - hrtimer_init(&cq->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - cq->timer.function = null_cmd_timer_expired; - } - null_major = register_blkdev(0, "nullb"); if (null_major < 0) return null_major; + if (use_lightnvm) { + ppa_cache = kmem_cache_create("ppa_cache", 64 * sizeof(u64), + 0, 0, NULL); + if (!ppa_cache) { + pr_err("null_blk: unable to create ppa cache\n"); + return -ENOMEM; + } + } + for (i = 0; i < nr_devices; i++) { if (null_add_dev()) { unregister_blkdev(null_major, "nullb"); - return -EINVAL; + goto err_ppa; } } pr_info("null: module loaded\n"); return 0; +err_ppa: + kmem_cache_destroy(ppa_cache); + return -EINVAL; } static void __exit null_exit(void) @@ -678,6 +837,8 @@ static void __exit null_exit(void) null_del_dev(nullb); } mutex_unlock(&lock); + + kmem_cache_destroy(ppa_cache); } module_init(null_init); diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 235708c7c46e..81ea69fee7ca 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3442,6 +3442,7 @@ static void rbd_queue_workfn(struct work_struct *work) goto err_rq; } img_request->rq = rq; + snapc = NULL; /* img_request consumes a ref */ if (op_type == OBJ_OP_DISCARD) result = rbd_img_request_fill(img_request, OBJ_REQUEST_NODATA, diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c index 9f1856948758..bf500e0e7362 100644 --- a/drivers/bus/omap-ocp2scp.c +++ b/drivers/bus/omap-ocp2scp.c @@ -117,7 +117,7 @@ static struct platform_driver omap_ocp2scp_driver = { module_platform_driver(omap_ocp2scp_driver); -MODULE_ALIAS("platform: omap-ocp2scp"); +MODULE_ALIAS("platform:omap-ocp2scp"); MODULE_AUTHOR("Texas Instruments Inc."); MODULE_DESCRIPTION("OMAP OCP2SCP driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 654f6f36a071..55fe9020459f 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -412,18 +412,42 @@ static enum si_sm_result start_next_msg(struct smi_info *smi_info) return rv; } -static void start_check_enables(struct smi_info *smi_info) +static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val) +{ + smi_info->last_timeout_jiffies = jiffies; + mod_timer(&smi_info->si_timer, new_val); + smi_info->timer_running = true; +} + +/* + * Start a new message and (re)start the timer and thread. + */ +static void start_new_msg(struct smi_info *smi_info, unsigned char *msg, + unsigned int size) +{ + smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES); + + if (smi_info->thread) + wake_up_process(smi_info->thread); + + smi_info->handlers->start_transaction(smi_info->si_sm, msg, size); +} + +static void start_check_enables(struct smi_info *smi_info, bool start_timer) { unsigned char msg[2]; msg[0] = (IPMI_NETFN_APP_REQUEST << 2); msg[1] = IPMI_GET_BMC_GLOBAL_ENABLES_CMD; - smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); + if (start_timer) + start_new_msg(smi_info, msg, 2); + else + smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); smi_info->si_state = SI_CHECKING_ENABLES; } -static void start_clear_flags(struct smi_info *smi_info) +static void start_clear_flags(struct smi_info *smi_info, bool start_timer) { unsigned char msg[3]; @@ -432,7 +456,10 @@ static void start_clear_flags(struct smi_info *smi_info) msg[1] = IPMI_CLEAR_MSG_FLAGS_CMD; msg[2] = WDT_PRE_TIMEOUT_INT; - smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3); + if (start_timer) + start_new_msg(smi_info, msg, 3); + else + smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3); smi_info->si_state = SI_CLEARING_FLAGS; } @@ -442,10 +469,8 @@ static void start_getting_msg_queue(struct smi_info *smi_info) smi_info->curr_msg->data[1] = IPMI_GET_MSG_CMD; smi_info->curr_msg->data_size = 2; - smi_info->handlers->start_transaction( - smi_info->si_sm, - smi_info->curr_msg->data, - smi_info->curr_msg->data_size); + start_new_msg(smi_info, smi_info->curr_msg->data, + smi_info->curr_msg->data_size); smi_info->si_state = SI_GETTING_MESSAGES; } @@ -455,20 +480,11 @@ static void start_getting_events(struct smi_info *smi_info) smi_info->curr_msg->data[1] = IPMI_READ_EVENT_MSG_BUFFER_CMD; smi_info->curr_msg->data_size = 2; - smi_info->handlers->start_transaction( - smi_info->si_sm, - smi_info->curr_msg->data, - smi_info->curr_msg->data_size); + start_new_msg(smi_info, smi_info->curr_msg->data, + smi_info->curr_msg->data_size); smi_info->si_state = SI_GETTING_EVENTS; } -static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val) -{ - smi_info->last_timeout_jiffies = jiffies; - mod_timer(&smi_info->si_timer, new_val); - smi_info->timer_running = true; -} - /* * When we have a situtaion where we run out of memory and cannot * allocate messages, we just leave them in the BMC and run the system @@ -478,11 +494,11 @@ static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val) * Note that we cannot just use disable_irq(), since the interrupt may * be shared. */ -static inline bool disable_si_irq(struct smi_info *smi_info) +static inline bool disable_si_irq(struct smi_info *smi_info, bool start_timer) { if ((smi_info->irq) && (!smi_info->interrupt_disabled)) { smi_info->interrupt_disabled = true; - start_check_enables(smi_info); + start_check_enables(smi_info, start_timer); return true; } return false; @@ -492,7 +508,7 @@ static inline bool enable_si_irq(struct smi_info *smi_info) { if ((smi_info->irq) && (smi_info->interrupt_disabled)) { smi_info->interrupt_disabled = false; - start_check_enables(smi_info); + start_check_enables(smi_info, true); return true; } return false; @@ -510,7 +526,7 @@ static struct ipmi_smi_msg *alloc_msg_handle_irq(struct smi_info *smi_info) msg = ipmi_alloc_smi_msg(); if (!msg) { - if (!disable_si_irq(smi_info)) + if (!disable_si_irq(smi_info, true)) smi_info->si_state = SI_NORMAL; } else if (enable_si_irq(smi_info)) { ipmi_free_smi_msg(msg); @@ -526,7 +542,7 @@ static void handle_flags(struct smi_info *smi_info) /* Watchdog pre-timeout */ smi_inc_stat(smi_info, watchdog_pretimeouts); - start_clear_flags(smi_info); + start_clear_flags(smi_info, true); smi_info->msg_flags &= ~WDT_PRE_TIMEOUT_INT; if (smi_info->intf) ipmi_smi_watchdog_pretimeout(smi_info->intf); @@ -879,8 +895,7 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info, msg[0] = (IPMI_NETFN_APP_REQUEST << 2); msg[1] = IPMI_GET_MSG_FLAGS_CMD; - smi_info->handlers->start_transaction( - smi_info->si_sm, msg, 2); + start_new_msg(smi_info, msg, 2); smi_info->si_state = SI_GETTING_FLAGS; goto restart; } @@ -910,7 +925,7 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info, * disable and messages disabled. */ if (smi_info->supports_event_msg_buff || smi_info->irq) { - start_check_enables(smi_info); + start_check_enables(smi_info, true); } else { smi_info->curr_msg = alloc_msg_handle_irq(smi_info); if (!smi_info->curr_msg) @@ -920,6 +935,13 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info, } goto restart; } + + if (si_sm_result == SI_SM_IDLE && smi_info->timer_running) { + /* Ok it if fails, the timer will just go off. */ + if (del_timer(&smi_info->si_timer)) + smi_info->timer_running = false; + } + out: return si_sm_result; } @@ -2560,6 +2582,7 @@ static const struct of_device_id of_ipmi_match[] = { .data = (void *)(unsigned long) SI_BT }, {}, }; +MODULE_DEVICE_TABLE(of, of_ipmi_match); static int of_ipmi_probe(struct platform_device *dev) { @@ -2646,7 +2669,6 @@ static int of_ipmi_probe(struct platform_device *dev) } return 0; } -MODULE_DEVICE_TABLE(of, of_ipmi_match); #else #define of_ipmi_match NULL static int of_ipmi_probe(struct platform_device *dev) @@ -3613,7 +3635,7 @@ static int try_smi_init(struct smi_info *new_smi) * Start clearing the flags before we enable interrupts or the * timer to avoid racing with the timer. */ - start_clear_flags(new_smi); + start_clear_flags(new_smi, false); /* * IRQ is defined to be set when non-zero. req_events will @@ -3908,7 +3930,7 @@ static void cleanup_one_si(struct smi_info *to_clean) poll(to_clean); schedule_timeout_uninterruptible(1); } - disable_si_irq(to_clean); + disable_si_irq(to_clean, false); while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) { poll(to_clean); schedule_timeout_uninterruptible(1); diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 0ac3bd1a5497..096f0cef4da1 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -153,6 +153,9 @@ static int timeout = 10; /* The pre-timeout is disabled by default. */ static int pretimeout; +/* Default timeout to set on panic */ +static int panic_wdt_timeout = 255; + /* Default action is to reset the board on a timeout. */ static unsigned char action_val = WDOG_TIMEOUT_RESET; @@ -293,6 +296,9 @@ MODULE_PARM_DESC(timeout, "Timeout value in seconds."); module_param(pretimeout, timeout, 0644); MODULE_PARM_DESC(pretimeout, "Pretimeout value in seconds."); +module_param(panic_wdt_timeout, timeout, 0644); +MODULE_PARM_DESC(timeout, "Timeout value on kernel panic in seconds."); + module_param_cb(action, ¶m_ops_str, action_op, 0644); MODULE_PARM_DESC(action, "Timeout action. One of: " "reset, none, power_cycle, power_off."); @@ -1189,7 +1195,7 @@ static int wdog_panic_handler(struct notifier_block *this, /* Make sure we do this only once. */ panic_event_handled = 1; - timeout = 255; + timeout = panic_wdt_timeout; pretimeout = 0; panic_halt_ipmi_set_timeout(); } diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 71cfdf7c9708..2eb5f0efae90 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -1,4 +1,5 @@ menu "Clock Source drivers" + depends on !ARCH_USES_GETTIMEOFFSET config CLKSRC_OF bool diff --git a/drivers/clocksource/fsl_ftm_timer.c b/drivers/clocksource/fsl_ftm_timer.c index 10202f1fdfd7..517e1c7624d4 100644 --- a/drivers/clocksource/fsl_ftm_timer.c +++ b/drivers/clocksource/fsl_ftm_timer.c @@ -203,7 +203,7 @@ static int __init ftm_clockevent_init(unsigned long freq, int irq) int err; ftm_writel(0x00, priv->clkevt_base + FTM_CNTIN); - ftm_writel(~0UL, priv->clkevt_base + FTM_MOD); + ftm_writel(~0u, priv->clkevt_base + FTM_MOD); ftm_reset_counter(priv->clkevt_base); @@ -230,7 +230,7 @@ static int __init ftm_clocksource_init(unsigned long freq) int err; ftm_writel(0x00, priv->clksrc_base + FTM_CNTIN); - ftm_writel(~0UL, priv->clksrc_base + FTM_MOD); + ftm_writel(~0u, priv->clksrc_base + FTM_MOD); ftm_reset_counter(priv->clksrc_base); diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 1582c1c016b0..235a1ba73d92 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -84,6 +84,7 @@ config ARM_KIRKWOOD_CPUFREQ config ARM_MT8173_CPUFREQ bool "Mediatek MT8173 CPUFreq support" depends on ARCH_MEDIATEK && REGULATOR + depends on ARM64 || (ARM_CPU_TOPOLOGY && COMPILE_TEST) depends on !CPU_THERMAL || THERMAL=y select PM_OPP help @@ -201,7 +202,7 @@ config ARM_SA1110_CPUFREQ config ARM_SCPI_CPUFREQ tristate "SCPI based CPUfreq driver" - depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL + depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI help This adds the CPUfreq driver support for ARM big.LITTLE platforms using SCPI protocol for CPU power management. diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86 index adbd1de1cea5..c59bdcb83217 100644 --- a/drivers/cpufreq/Kconfig.x86 +++ b/drivers/cpufreq/Kconfig.x86 @@ -5,7 +5,6 @@ config X86_INTEL_PSTATE bool "Intel P state control" depends on X86 - select ACPI_PROCESSOR if ACPI help This driver provides a P state for Intel core processors. The driver implements an internal governor and will become diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c index e8cb334094b0..7c0bdfb1a2ca 100644 --- a/drivers/cpufreq/cppc_cpufreq.c +++ b/drivers/cpufreq/cppc_cpufreq.c @@ -98,10 +98,11 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->max = cpu->perf_caps.highest_perf; policy->cpuinfo.min_freq = policy->min; policy->cpuinfo.max_freq = policy->max; + policy->shared_type = cpu->shared_type; if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) cpumask_copy(policy->cpus, cpu->shared_cpu_map); - else { + else if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL) { /* Support only SW_ANY for now. */ pr_debug("Unsupported CPU co-ord type\n"); return -EFAULT; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 7c48e7316d91..8412ce5f93a7 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -976,10 +976,14 @@ static int cpufreq_init_policy(struct cpufreq_policy *policy) new_policy.governor = gov; - /* Use the default policy if its valid. */ - if (cpufreq_driver->setpolicy) - cpufreq_parse_governor(gov->name, &new_policy.policy, NULL); - + /* Use the default policy if there is no last_policy. */ + if (cpufreq_driver->setpolicy) { + if (policy->last_policy) + new_policy.policy = policy->last_policy; + else + cpufreq_parse_governor(gov->name, &new_policy.policy, + NULL); + } /* set default policy */ return cpufreq_set_policy(policy, &new_policy); } @@ -1330,6 +1334,8 @@ static void cpufreq_offline_prepare(unsigned int cpu) if (has_target()) strncpy(policy->last_governor, policy->governor->name, CPUFREQ_NAME_LEN); + else + policy->last_policy = policy->policy; } else if (cpu == policy->cpu) { /* Nominate new CPU */ policy->cpu = cpumask_any(policy->cpus); @@ -1401,13 +1407,10 @@ static void cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif) } cpumask_clear_cpu(cpu, policy->real_cpus); + remove_cpu_dev_symlink(policy, cpu); - if (cpumask_empty(policy->real_cpus)) { + if (cpumask_empty(policy->real_cpus)) cpufreq_policy_free(policy, true); - return; - } - - remove_cpu_dev_symlink(policy, cpu); } static void handle_update(struct work_struct *work) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 2e31d097def6..4d07cbd2b23c 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -34,14 +34,10 @@ #include <asm/cpu_device_id.h> #include <asm/cpufeature.h> -#if IS_ENABLED(CONFIG_ACPI) -#include <acpi/processor.h> -#endif - -#define BYT_RATIOS 0x66a -#define BYT_VIDS 0x66b -#define BYT_TURBO_RATIOS 0x66c -#define BYT_TURBO_VIDS 0x66d +#define ATOM_RATIOS 0x66a +#define ATOM_VIDS 0x66b +#define ATOM_TURBO_RATIOS 0x66c +#define ATOM_TURBO_VIDS 0x66d #define FRAC_BITS 8 #define int_tofp(X) ((int64_t)(X) << FRAC_BITS) @@ -117,9 +113,6 @@ struct cpudata { u64 prev_mperf; u64 prev_tsc; struct sample sample; -#if IS_ENABLED(CONFIG_ACPI) - struct acpi_processor_performance acpi_perf_data; -#endif }; static struct cpudata **all_cpu_data; @@ -150,7 +143,6 @@ struct cpu_defaults { static struct pstate_adjust_policy pid_params; static struct pstate_funcs pstate_funcs; static int hwp_active; -static int no_acpi_perf; struct perf_limits { int no_turbo; @@ -163,8 +155,6 @@ struct perf_limits { int max_sysfs_pct; int min_policy_pct; int min_sysfs_pct; - int max_perf_ctl; - int min_perf_ctl; }; static struct perf_limits performance_limits = { @@ -191,8 +181,6 @@ static struct perf_limits powersave_limits = { .max_sysfs_pct = 100, .min_policy_pct = 0, .min_sysfs_pct = 0, - .max_perf_ctl = 0, - .min_perf_ctl = 0, }; #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE @@ -201,153 +189,6 @@ static struct perf_limits *limits = &performance_limits; static struct perf_limits *limits = &powersave_limits; #endif -#if IS_ENABLED(CONFIG_ACPI) -/* - * The max target pstate ratio is a 8 bit value in both PLATFORM_INFO MSR and - * in TURBO_RATIO_LIMIT MSR, which pstate driver stores in max_pstate and - * max_turbo_pstate fields. The PERF_CTL MSR contains 16 bit value for P state - * ratio, out of it only high 8 bits are used. For example 0x1700 is setting - * target ratio 0x17. The _PSS control value stores in a format which can be - * directly written to PERF_CTL MSR. But in intel_pstate driver this shift - * occurs during write to PERF_CTL (E.g. for cores core_set_pstate()). - * This function converts the _PSS control value to intel pstate driver format - * for comparison and assignment. - */ -static int convert_to_native_pstate_format(struct cpudata *cpu, int index) -{ - return cpu->acpi_perf_data.states[index].control >> 8; -} - -static int intel_pstate_init_perf_limits(struct cpufreq_policy *policy) -{ - struct cpudata *cpu; - int ret; - bool turbo_absent = false; - int max_pstate_index; - int min_pss_ctl, max_pss_ctl, turbo_pss_ctl; - int i; - - cpu = all_cpu_data[policy->cpu]; - - pr_debug("intel_pstate: default limits 0x%x 0x%x 0x%x\n", - cpu->pstate.min_pstate, cpu->pstate.max_pstate, - cpu->pstate.turbo_pstate); - - if (!cpu->acpi_perf_data.shared_cpu_map && - zalloc_cpumask_var_node(&cpu->acpi_perf_data.shared_cpu_map, - GFP_KERNEL, cpu_to_node(policy->cpu))) { - return -ENOMEM; - } - - ret = acpi_processor_register_performance(&cpu->acpi_perf_data, - policy->cpu); - if (ret) - return ret; - - /* - * Check if the control value in _PSS is for PERF_CTL MSR, which should - * guarantee that the states returned by it map to the states in our - * list directly. - */ - if (cpu->acpi_perf_data.control_register.space_id != - ACPI_ADR_SPACE_FIXED_HARDWARE) - return -EIO; - - pr_debug("intel_pstate: CPU%u - ACPI _PSS perf data\n", policy->cpu); - for (i = 0; i < cpu->acpi_perf_data.state_count; i++) - pr_debug(" %cP%d: %u MHz, %u mW, 0x%x\n", - (i == cpu->acpi_perf_data.state ? '*' : ' '), i, - (u32) cpu->acpi_perf_data.states[i].core_frequency, - (u32) cpu->acpi_perf_data.states[i].power, - (u32) cpu->acpi_perf_data.states[i].control); - - /* - * If there is only one entry _PSS, simply ignore _PSS and continue as - * usual without taking _PSS into account - */ - if (cpu->acpi_perf_data.state_count < 2) - return 0; - - turbo_pss_ctl = convert_to_native_pstate_format(cpu, 0); - min_pss_ctl = convert_to_native_pstate_format(cpu, - cpu->acpi_perf_data.state_count - 1); - /* Check if there is a turbo freq in _PSS */ - if (turbo_pss_ctl <= cpu->pstate.max_pstate && - turbo_pss_ctl > cpu->pstate.min_pstate) { - pr_debug("intel_pstate: no turbo range exists in _PSS\n"); - limits->no_turbo = limits->turbo_disabled = 1; - cpu->pstate.turbo_pstate = cpu->pstate.max_pstate; - turbo_absent = true; - } - - /* Check if the max non turbo p state < Intel P state max */ - max_pstate_index = turbo_absent ? 0 : 1; - max_pss_ctl = convert_to_native_pstate_format(cpu, max_pstate_index); - if (max_pss_ctl < cpu->pstate.max_pstate && - max_pss_ctl > cpu->pstate.min_pstate) - cpu->pstate.max_pstate = max_pss_ctl; - - /* check If min perf > Intel P State min */ - if (min_pss_ctl > cpu->pstate.min_pstate && - min_pss_ctl < cpu->pstate.max_pstate) { - cpu->pstate.min_pstate = min_pss_ctl; - policy->cpuinfo.min_freq = min_pss_ctl * cpu->pstate.scaling; - } - - if (turbo_absent) - policy->cpuinfo.max_freq = cpu->pstate.max_pstate * - cpu->pstate.scaling; - else { - policy->cpuinfo.max_freq = cpu->pstate.turbo_pstate * - cpu->pstate.scaling; - /* - * The _PSS table doesn't contain whole turbo frequency range. - * This just contains +1 MHZ above the max non turbo frequency, - * with control value corresponding to max turbo ratio. But - * when cpufreq set policy is called, it will call with this - * max frequency, which will cause a reduced performance as - * this driver uses real max turbo frequency as the max - * frequeny. So correct this frequency in _PSS table to - * correct max turbo frequency based on the turbo ratio. - * Also need to convert to MHz as _PSS freq is in MHz. - */ - cpu->acpi_perf_data.states[0].core_frequency = - turbo_pss_ctl * 100; - } - - pr_debug("intel_pstate: Updated limits using _PSS 0x%x 0x%x 0x%x\n", - cpu->pstate.min_pstate, cpu->pstate.max_pstate, - cpu->pstate.turbo_pstate); - pr_debug("intel_pstate: policy max_freq=%d Khz min_freq = %d KHz\n", - policy->cpuinfo.max_freq, policy->cpuinfo.min_freq); - - return 0; -} - -static int intel_pstate_exit_perf_limits(struct cpufreq_policy *policy) -{ - struct cpudata *cpu; - - if (!no_acpi_perf) - return 0; - - cpu = all_cpu_data[policy->cpu]; - acpi_processor_unregister_performance(policy->cpu); - return 0; -} - -#else -static int intel_pstate_init_perf_limits(struct cpufreq_policy *policy) -{ - return 0; -} - -static int intel_pstate_exit_perf_limits(struct cpufreq_policy *policy) -{ - return 0; -} -#endif - static inline void pid_reset(struct _pid *pid, int setpoint, int busy, int deadband, int integral) { pid->setpoint = setpoint; @@ -687,31 +528,31 @@ static void intel_pstate_hwp_enable(struct cpudata *cpudata) wrmsrl_on_cpu(cpudata->cpu, MSR_PM_ENABLE, 0x1); } -static int byt_get_min_pstate(void) +static int atom_get_min_pstate(void) { u64 value; - rdmsrl(BYT_RATIOS, value); + rdmsrl(ATOM_RATIOS, value); return (value >> 8) & 0x7F; } -static int byt_get_max_pstate(void) +static int atom_get_max_pstate(void) { u64 value; - rdmsrl(BYT_RATIOS, value); + rdmsrl(ATOM_RATIOS, value); return (value >> 16) & 0x7F; } -static int byt_get_turbo_pstate(void) +static int atom_get_turbo_pstate(void) { u64 value; - rdmsrl(BYT_TURBO_RATIOS, value); + rdmsrl(ATOM_TURBO_RATIOS, value); return value & 0x7F; } -static void byt_set_pstate(struct cpudata *cpudata, int pstate) +static void atom_set_pstate(struct cpudata *cpudata, int pstate) { u64 val; int32_t vid_fp; @@ -736,27 +577,42 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate) wrmsrl_on_cpu(cpudata->cpu, MSR_IA32_PERF_CTL, val); } -#define BYT_BCLK_FREQS 5 -static int byt_freq_table[BYT_BCLK_FREQS] = { 833, 1000, 1333, 1167, 800}; - -static int byt_get_scaling(void) +static int silvermont_get_scaling(void) { u64 value; int i; + /* Defined in Table 35-6 from SDM (Sept 2015) */ + static int silvermont_freq_table[] = { + 83300, 100000, 133300, 116700, 80000}; rdmsrl(MSR_FSB_FREQ, value); - i = value & 0x3; + i = value & 0x7; + WARN_ON(i > 4); - BUG_ON(i > BYT_BCLK_FREQS); + return silvermont_freq_table[i]; +} - return byt_freq_table[i] * 100; +static int airmont_get_scaling(void) +{ + u64 value; + int i; + /* Defined in Table 35-10 from SDM (Sept 2015) */ + static int airmont_freq_table[] = { + 83300, 100000, 133300, 116700, 80000, + 93300, 90000, 88900, 87500}; + + rdmsrl(MSR_FSB_FREQ, value); + i = value & 0xF; + WARN_ON(i > 8); + + return airmont_freq_table[i]; } -static void byt_get_vid(struct cpudata *cpudata) +static void atom_get_vid(struct cpudata *cpudata) { u64 value; - rdmsrl(BYT_VIDS, value); + rdmsrl(ATOM_VIDS, value); cpudata->vid.min = int_tofp((value >> 8) & 0x7f); cpudata->vid.max = int_tofp((value >> 16) & 0x7f); cpudata->vid.ratio = div_fp( @@ -764,7 +620,7 @@ static void byt_get_vid(struct cpudata *cpudata) int_tofp(cpudata->pstate.max_pstate - cpudata->pstate.min_pstate)); - rdmsrl(BYT_TURBO_VIDS, value); + rdmsrl(ATOM_TURBO_VIDS, value); cpudata->vid.turbo = value & 0x7f; } @@ -885,7 +741,7 @@ static struct cpu_defaults core_params = { }, }; -static struct cpu_defaults byt_params = { +static struct cpu_defaults silvermont_params = { .pid_policy = { .sample_rate_ms = 10, .deadband = 0, @@ -895,13 +751,33 @@ static struct cpu_defaults byt_params = { .i_gain_pct = 4, }, .funcs = { - .get_max = byt_get_max_pstate, - .get_max_physical = byt_get_max_pstate, - .get_min = byt_get_min_pstate, - .get_turbo = byt_get_turbo_pstate, - .set = byt_set_pstate, - .get_scaling = byt_get_scaling, - .get_vid = byt_get_vid, + .get_max = atom_get_max_pstate, + .get_max_physical = atom_get_max_pstate, + .get_min = atom_get_min_pstate, + .get_turbo = atom_get_turbo_pstate, + .set = atom_set_pstate, + .get_scaling = silvermont_get_scaling, + .get_vid = atom_get_vid, + }, +}; + +static struct cpu_defaults airmont_params = { + .pid_policy = { + .sample_rate_ms = 10, + .deadband = 0, + .setpoint = 60, + .p_gain_pct = 14, + .d_gain_pct = 0, + .i_gain_pct = 4, + }, + .funcs = { + .get_max = atom_get_max_pstate, + .get_max_physical = atom_get_max_pstate, + .get_min = atom_get_min_pstate, + .get_turbo = atom_get_turbo_pstate, + .set = atom_set_pstate, + .get_scaling = airmont_get_scaling, + .get_vid = atom_get_vid, }, }; @@ -938,23 +814,12 @@ static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max) * policy, or by cpu specific default values determined through * experimentation. */ - if (limits->max_perf_ctl && limits->max_sysfs_pct >= - limits->max_policy_pct) { - *max = limits->max_perf_ctl; - } else { - max_perf_adj = fp_toint(mul_fp(int_tofp(max_perf), - limits->max_perf)); - *max = clamp_t(int, max_perf_adj, cpu->pstate.min_pstate, - cpu->pstate.turbo_pstate); - } + max_perf_adj = fp_toint(mul_fp(int_tofp(max_perf), limits->max_perf)); + *max = clamp_t(int, max_perf_adj, + cpu->pstate.min_pstate, cpu->pstate.turbo_pstate); - if (limits->min_perf_ctl) { - *min = limits->min_perf_ctl; - } else { - min_perf = fp_toint(mul_fp(int_tofp(max_perf), - limits->min_perf)); - *min = clamp_t(int, min_perf, cpu->pstate.min_pstate, max_perf); - } + min_perf = fp_toint(mul_fp(int_tofp(max_perf), limits->min_perf)); + *min = clamp_t(int, min_perf, cpu->pstate.min_pstate, max_perf); } static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate, bool force) @@ -1153,7 +1018,7 @@ static void intel_pstate_timer_func(unsigned long __data) static const struct x86_cpu_id intel_pstate_cpu_ids[] = { ICPU(0x2a, core_params), ICPU(0x2d, core_params), - ICPU(0x37, byt_params), + ICPU(0x37, silvermont_params), ICPU(0x3a, core_params), ICPU(0x3c, core_params), ICPU(0x3d, core_params), @@ -1162,7 +1027,7 @@ static const struct x86_cpu_id intel_pstate_cpu_ids[] = { ICPU(0x45, core_params), ICPU(0x46, core_params), ICPU(0x47, core_params), - ICPU(0x4c, byt_params), + ICPU(0x4c, airmont_params), ICPU(0x4e, core_params), ICPU(0x4f, core_params), ICPU(0x5e, core_params), @@ -1229,12 +1094,6 @@ static unsigned int intel_pstate_get(unsigned int cpu_num) static int intel_pstate_set_policy(struct cpufreq_policy *policy) { -#if IS_ENABLED(CONFIG_ACPI) - struct cpudata *cpu; - int i; -#endif - pr_debug("intel_pstate: %s max %u policy->max %u\n", __func__, - policy->cpuinfo.max_freq, policy->max); if (!policy->cpuinfo.max_freq) return -ENODEV; @@ -1242,6 +1101,8 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) policy->max >= policy->cpuinfo.max_freq) { pr_debug("intel_pstate: set performance\n"); limits = &performance_limits; + if (hwp_active) + intel_pstate_hwp_set(); return 0; } @@ -1249,7 +1110,8 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) limits = &powersave_limits; limits->min_policy_pct = (policy->min * 100) / policy->cpuinfo.max_freq; limits->min_policy_pct = clamp_t(int, limits->min_policy_pct, 0 , 100); - limits->max_policy_pct = (policy->max * 100) / policy->cpuinfo.max_freq; + limits->max_policy_pct = DIV_ROUND_UP(policy->max * 100, + policy->cpuinfo.max_freq); limits->max_policy_pct = clamp_t(int, limits->max_policy_pct, 0 , 100); /* Normalize user input to [min_policy_pct, max_policy_pct] */ @@ -1261,6 +1123,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) limits->max_sysfs_pct); limits->max_perf_pct = max(limits->min_policy_pct, limits->max_perf_pct); + limits->max_perf = round_up(limits->max_perf, 8); /* Make sure min_perf_pct <= max_perf_pct */ limits->min_perf_pct = min(limits->max_perf_pct, limits->min_perf_pct); @@ -1270,23 +1133,6 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) limits->max_perf = div_fp(int_tofp(limits->max_perf_pct), int_tofp(100)); -#if IS_ENABLED(CONFIG_ACPI) - cpu = all_cpu_data[policy->cpu]; - for (i = 0; i < cpu->acpi_perf_data.state_count; i++) { - int control; - - control = convert_to_native_pstate_format(cpu, i); - if (control * cpu->pstate.scaling == policy->max) - limits->max_perf_ctl = control; - if (control * cpu->pstate.scaling == policy->min) - limits->min_perf_ctl = control; - } - - pr_debug("intel_pstate: max %u policy_max %u perf_ctl [0x%x-0x%x]\n", - policy->cpuinfo.max_freq, policy->max, limits->min_perf_ctl, - limits->max_perf_ctl); -#endif - if (hwp_active) intel_pstate_hwp_set(); @@ -1341,30 +1187,18 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) policy->cpuinfo.min_freq = cpu->pstate.min_pstate * cpu->pstate.scaling; policy->cpuinfo.max_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling; - if (!no_acpi_perf) - intel_pstate_init_perf_limits(policy); - /* - * If there is no acpi perf data or error, we ignore and use Intel P - * state calculated limits, So this is not fatal error. - */ policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; cpumask_set_cpu(policy->cpu, policy->cpus); return 0; } -static int intel_pstate_cpu_exit(struct cpufreq_policy *policy) -{ - return intel_pstate_exit_perf_limits(policy); -} - static struct cpufreq_driver intel_pstate_driver = { .flags = CPUFREQ_CONST_LOOPS, .verify = intel_pstate_verify_policy, .setpolicy = intel_pstate_set_policy, .get = intel_pstate_get, .init = intel_pstate_cpu_init, - .exit = intel_pstate_cpu_exit, .stop_cpu = intel_pstate_stop_cpu, .name = "intel_pstate", }; @@ -1406,6 +1240,7 @@ static void copy_cpu_funcs(struct pstate_funcs *funcs) } #if IS_ENABLED(CONFIG_ACPI) +#include <acpi/processor.h> static bool intel_pstate_no_acpi_pss(void) { @@ -1601,9 +1436,6 @@ static int __init intel_pstate_setup(char *str) force_load = 1; if (!strcmp(str, "hwp_only")) hwp_only = 1; - if (!strcmp(str, "no_acpi")) - no_acpi_perf = 1; - return 0; } early_param("intel_pstate", intel_pstate_setup); diff --git a/drivers/crypto/nx/nx-aes-ccm.c b/drivers/crypto/nx/nx-aes-ccm.c index 73ef49922788..7038f364acb5 100644 --- a/drivers/crypto/nx/nx-aes-ccm.c +++ b/drivers/crypto/nx/nx-aes-ccm.c @@ -409,7 +409,7 @@ static int ccm_nx_decrypt(struct aead_request *req, processed += to_process; } while (processed < nbytes); - rc = memcmp(csbcpb->cpb.aes_ccm.out_pat_or_mac, priv->oauth_tag, + rc = crypto_memneq(csbcpb->cpb.aes_ccm.out_pat_or_mac, priv->oauth_tag, authsize) ? -EBADMSG : 0; out: spin_unlock_irqrestore(&nx_ctx->lock, irq_flags); diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c index eee624f589b6..abd465f479c4 100644 --- a/drivers/crypto/nx/nx-aes-gcm.c +++ b/drivers/crypto/nx/nx-aes-gcm.c @@ -21,6 +21,7 @@ #include <crypto/internal/aead.h> #include <crypto/aes.h> +#include <crypto/algapi.h> #include <crypto/scatterwalk.h> #include <linux/module.h> #include <linux/types.h> @@ -418,7 +419,7 @@ mac: itag, req->src, req->assoclen + nbytes, crypto_aead_authsize(crypto_aead_reqtfm(req)), SCATTERWALK_FROM_SG); - rc = memcmp(itag, otag, + rc = crypto_memneq(itag, otag, crypto_aead_authsize(crypto_aead_reqtfm(req))) ? -EBADMSG : 0; } diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 46f531e19ccf..b6f9f42e2985 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -977,7 +977,7 @@ static void ipsec_esp_decrypt_swauth_done(struct device *dev, } else oicv = (char *)&edesc->link_tbl[0]; - err = memcmp(oicv, icv, authsize) ? -EBADMSG : 0; + err = crypto_memneq(oicv, icv, authsize) ? -EBADMSG : 0; } kfree(edesc); diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 4e55239c7a30..53d22eb73b56 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -729,8 +729,8 @@ atc_prep_dma_interleaved(struct dma_chan *chan, return NULL; dev_info(chan2dev(chan), - "%s: src=0x%08x, dest=0x%08x, numf=%d, frame_size=%d, flags=0x%lx\n", - __func__, xt->src_start, xt->dst_start, xt->numf, + "%s: src=%pad, dest=%pad, numf=%d, frame_size=%d, flags=0x%lx\n", + __func__, &xt->src_start, &xt->dst_start, xt->numf, xt->frame_size, flags); /* @@ -824,8 +824,8 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, u32 ctrla; u32 ctrlb; - dev_vdbg(chan2dev(chan), "prep_dma_memcpy: d0x%x s0x%x l0x%zx f0x%lx\n", - dest, src, len, flags); + dev_vdbg(chan2dev(chan), "prep_dma_memcpy: d%pad s%pad l0x%zx f0x%lx\n", + &dest, &src, len, flags); if (unlikely(!len)) { dev_dbg(chan2dev(chan), "prep_dma_memcpy: length is zero!\n"); @@ -938,8 +938,8 @@ atc_prep_dma_memset(struct dma_chan *chan, dma_addr_t dest, int value, void __iomem *vaddr; dma_addr_t paddr; - dev_vdbg(chan2dev(chan), "%s: d0x%x v0x%x l0x%zx f0x%lx\n", __func__, - dest, value, len, flags); + dev_vdbg(chan2dev(chan), "%s: d%pad v0x%x l0x%zx f0x%lx\n", __func__, + &dest, value, len, flags); if (unlikely(!len)) { dev_dbg(chan2dev(chan), "%s: length is zero!\n", __func__); @@ -1022,8 +1022,8 @@ atc_prep_dma_memset_sg(struct dma_chan *chan, dma_addr_t dest = sg_dma_address(sg); size_t len = sg_dma_len(sg); - dev_vdbg(chan2dev(chan), "%s: d0x%08x, l0x%zx\n", - __func__, dest, len); + dev_vdbg(chan2dev(chan), "%s: d%pad, l0x%zx\n", + __func__, &dest, len); if (!is_dma_fill_aligned(chan->device, dest, 0, len)) { dev_err(chan2dev(chan), "%s: buffer is not aligned\n", @@ -1439,9 +1439,9 @@ atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, unsigned int periods = buf_len / period_len; unsigned int i; - dev_vdbg(chan2dev(chan), "prep_dma_cyclic: %s buf@0x%08x - %d (%d/%d)\n", + dev_vdbg(chan2dev(chan), "prep_dma_cyclic: %s buf@%pad - %d (%d/%d)\n", direction == DMA_MEM_TO_DEV ? "TO DEVICE" : "FROM DEVICE", - buf_addr, + &buf_addr, periods, buf_len, period_len); if (unlikely(!atslave || !buf_len || !period_len)) { diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index d1cfc8c876f9..7f58f06157f6 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -385,9 +385,9 @@ static void vdbg_dump_regs(struct at_dma_chan *atchan) {} static void atc_dump_lli(struct at_dma_chan *atchan, struct at_lli *lli) { dev_crit(chan2dev(&atchan->chan_common), - " desc: s0x%x d0x%x ctrl0x%x:0x%x l0x%x\n", - lli->saddr, lli->daddr, - lli->ctrla, lli->ctrlb, lli->dscr); + " desc: s%pad d%pad ctrl0x%x:0x%x l0x%pad\n", + &lli->saddr, &lli->daddr, + lli->ctrla, lli->ctrlb, &lli->dscr); } diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index b5e132d4bae5..7f039de143f0 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -920,8 +920,8 @@ at_xdmac_interleaved_queue_desc(struct dma_chan *chan, desc->lld.mbr_cfg = chan_cc; dev_dbg(chan2dev(chan), - "%s: lld: mbr_sa=0x%08x, mbr_da=0x%08x, mbr_ubc=0x%08x, mbr_cfg=0x%08x\n", - __func__, desc->lld.mbr_sa, desc->lld.mbr_da, + "%s: lld: mbr_sa=%pad, mbr_da=%pad, mbr_ubc=0x%08x, mbr_cfg=0x%08x\n", + __func__, &desc->lld.mbr_sa, &desc->lld.mbr_da, desc->lld.mbr_ubc, desc->lld.mbr_cfg); /* Chain lld. */ @@ -953,8 +953,8 @@ at_xdmac_prep_interleaved(struct dma_chan *chan, if ((xt->numf > 1) && (xt->frame_size > 1)) return NULL; - dev_dbg(chan2dev(chan), "%s: src=0x%08x, dest=0x%08x, numf=%d, frame_size=%d, flags=0x%lx\n", - __func__, xt->src_start, xt->dst_start, xt->numf, + dev_dbg(chan2dev(chan), "%s: src=%pad, dest=%pad, numf=%d, frame_size=%d, flags=0x%lx\n", + __func__, &xt->src_start, &xt->dst_start, xt->numf, xt->frame_size, flags); src_addr = xt->src_start; @@ -1179,8 +1179,8 @@ static struct at_xdmac_desc *at_xdmac_memset_create_desc(struct dma_chan *chan, desc->lld.mbr_cfg = chan_cc; dev_dbg(chan2dev(chan), - "%s: lld: mbr_da=0x%08x, mbr_ds=0x%08x, mbr_ubc=0x%08x, mbr_cfg=0x%08x\n", - __func__, desc->lld.mbr_da, desc->lld.mbr_ds, desc->lld.mbr_ubc, + "%s: lld: mbr_da=%pad, mbr_ds=%pad, mbr_ubc=0x%08x, mbr_cfg=0x%08x\n", + __func__, &desc->lld.mbr_da, &desc->lld.mbr_ds, desc->lld.mbr_ubc, desc->lld.mbr_cfg); return desc; @@ -1193,8 +1193,8 @@ at_xdmac_prep_dma_memset(struct dma_chan *chan, dma_addr_t dest, int value, struct at_xdmac_chan *atchan = to_at_xdmac_chan(chan); struct at_xdmac_desc *desc; - dev_dbg(chan2dev(chan), "%s: dest=0x%08x, len=%d, pattern=0x%x, flags=0x%lx\n", - __func__, dest, len, value, flags); + dev_dbg(chan2dev(chan), "%s: dest=%pad, len=%d, pattern=0x%x, flags=0x%lx\n", + __func__, &dest, len, value, flags); if (unlikely(!len)) return NULL; @@ -1229,8 +1229,8 @@ at_xdmac_prep_dma_memset_sg(struct dma_chan *chan, struct scatterlist *sgl, /* Prepare descriptors. */ for_each_sg(sgl, sg, sg_len, i) { - dev_dbg(chan2dev(chan), "%s: dest=0x%08x, len=%d, pattern=0x%x, flags=0x%lx\n", - __func__, sg_dma_address(sg), sg_dma_len(sg), + dev_dbg(chan2dev(chan), "%s: dest=%pad, len=%d, pattern=0x%x, flags=0x%lx\n", + __func__, &sg_dma_address(sg), sg_dma_len(sg), value, flags); desc = at_xdmac_memset_create_desc(chan, atchan, sg_dma_address(sg), diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 6b03e4e84e6b..0675e268d577 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -107,7 +107,7 @@ /* CCCFG register */ #define GET_NUM_DMACH(x) (x & 0x7) /* bits 0-2 */ -#define GET_NUM_QDMACH(x) (x & 0x70 >> 4) /* bits 4-6 */ +#define GET_NUM_QDMACH(x) ((x & 0x70) >> 4) /* bits 4-6 */ #define GET_NUM_PAENTRY(x) ((x & 0x7000) >> 12) /* bits 12-14 */ #define GET_NUM_EVQUE(x) ((x & 0x70000) >> 16) /* bits 16-18 */ #define GET_NUM_REGN(x) ((x & 0x300000) >> 20) /* bits 20-21 */ @@ -1565,7 +1565,7 @@ static void edma_tc_set_pm_state(struct edma_tc *tc, bool enable) struct platform_device *tc_pdev; int ret; - if (!tc) + if (!IS_ENABLED(CONFIG_OF) || !tc) return; tc_pdev = of_find_device_by_node(tc->node); diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 7058d58ba588..0f6fd42f55ca 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1462,7 +1462,7 @@ err_firmware: #define EVENT_REMAP_CELLS 3 -static int __init sdma_event_remap(struct sdma_engine *sdma) +static int sdma_event_remap(struct sdma_engine *sdma) { struct device_node *np = sdma->dev->of_node; struct device_node *gpr_np = of_parse_phandle(np, "gpr", 0); diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index ebd8a5f398b0..f1bcc2a163b3 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -679,8 +679,11 @@ static int usb_dmac_runtime_suspend(struct device *dev) struct usb_dmac *dmac = dev_get_drvdata(dev); int i; - for (i = 0; i < dmac->n_channels; ++i) + for (i = 0; i < dmac->n_channels; ++i) { + if (!dmac->channels[i].iomem) + break; usb_dmac_chan_halt(&dmac->channels[i]); + } return 0; } @@ -799,11 +802,10 @@ static int usb_dmac_probe(struct platform_device *pdev) ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) { dev_err(&pdev->dev, "runtime PM get sync failed (%d)\n", ret); - return ret; + goto error_pm; } ret = usb_dmac_init(dmac); - pm_runtime_put(&pdev->dev); if (ret) { dev_err(&pdev->dev, "failed to reset device\n"); @@ -851,10 +853,13 @@ static int usb_dmac_probe(struct platform_device *pdev) if (ret < 0) goto error; + pm_runtime_put(&pdev->dev); return 0; error: of_dma_controller_free(pdev->dev.of_node); + pm_runtime_put(&pdev->dev); +error_pm: pm_runtime_disable(&pdev->dev); return ret; } diff --git a/drivers/gpio/gpio-74xx-mmio.c b/drivers/gpio/gpio-74xx-mmio.c index 6ed7c0fb3378..6b186829087c 100644 --- a/drivers/gpio/gpio-74xx-mmio.c +++ b/drivers/gpio/gpio-74xx-mmio.c @@ -113,13 +113,16 @@ static int mmio_74xx_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static int mmio_74xx_gpio_probe(struct platform_device *pdev) { - const struct of_device_id *of_id = - of_match_device(mmio_74xx_gpio_ids, &pdev->dev); + const struct of_device_id *of_id; struct mmio_74xx_gpio_priv *priv; struct resource *res; void __iomem *dat; int err; + of_id = of_match_device(mmio_74xx_gpio_ids, &pdev->dev); + if (!of_id) + return -ENODEV; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 56d2d026e62e..f7fbb46d5d79 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -1122,8 +1122,6 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc) /* MPUIO is a bit different, reading IRQ status clears it */ if (bank->is_mpuio) { irqc->irq_ack = dummy_irq_chip.irq_ack; - irqc->irq_mask = irq_gc_mask_set_bit; - irqc->irq_unmask = irq_gc_mask_clr_bit; if (!bank->regs->wkup_en) irqc->irq_set_wake = NULL; } diff --git a/drivers/gpio/gpio-palmas.c b/drivers/gpio/gpio-palmas.c index 171a6389f9ce..52b447c071cb 100644 --- a/drivers/gpio/gpio-palmas.c +++ b/drivers/gpio/gpio-palmas.c @@ -167,6 +167,8 @@ static int palmas_gpio_probe(struct platform_device *pdev) const struct palmas_device_data *dev_data; match = of_match_device(of_palmas_gpio_match, &pdev->dev); + if (!match) + return -ENODEV; dev_data = match->data; if (!dev_data) dev_data = &palmas_dev_data; diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c index 045a952576c7..7b25fdf64802 100644 --- a/drivers/gpio/gpio-syscon.c +++ b/drivers/gpio/gpio-syscon.c @@ -187,11 +187,15 @@ MODULE_DEVICE_TABLE(of, syscon_gpio_ids); static int syscon_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - const struct of_device_id *of_id = of_match_device(syscon_gpio_ids, dev); + const struct of_device_id *of_id; struct syscon_gpio_priv *priv; struct device_node *np = dev->of_node; int ret; + of_id = of_match_device(syscon_gpio_ids, dev); + if (!of_id) + return -ENODEV; + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 027e5f47dd28..896bf29776b0 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -375,6 +375,60 @@ static int tegra_gpio_irq_set_wake(struct irq_data *d, unsigned int enable) } #endif +#ifdef CONFIG_DEBUG_FS + +#include <linux/debugfs.h> +#include <linux/seq_file.h> + +static int dbg_gpio_show(struct seq_file *s, void *unused) +{ + int i; + int j; + + for (i = 0; i < tegra_gpio_bank_count; i++) { + for (j = 0; j < 4; j++) { + int gpio = tegra_gpio_compose(i, j, 0); + seq_printf(s, + "%d:%d %02x %02x %02x %02x %02x %02x %06x\n", + i, j, + tegra_gpio_readl(GPIO_CNF(gpio)), + tegra_gpio_readl(GPIO_OE(gpio)), + tegra_gpio_readl(GPIO_OUT(gpio)), + tegra_gpio_readl(GPIO_IN(gpio)), + tegra_gpio_readl(GPIO_INT_STA(gpio)), + tegra_gpio_readl(GPIO_INT_ENB(gpio)), + tegra_gpio_readl(GPIO_INT_LVL(gpio))); + } + } + return 0; +} + +static int dbg_gpio_open(struct inode *inode, struct file *file) +{ + return single_open(file, dbg_gpio_show, &inode->i_private); +} + +static const struct file_operations debug_fops = { + .open = dbg_gpio_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static void tegra_gpio_debuginit(void) +{ + (void) debugfs_create_file("tegra_gpio", S_IRUGO, + NULL, NULL, &debug_fops); +} + +#else + +static inline void tegra_gpio_debuginit(void) +{ +} + +#endif + static struct irq_chip tegra_gpio_irq_chip = { .name = "GPIO", .irq_ack = tegra_gpio_irq_ack, @@ -519,6 +573,8 @@ static int tegra_gpio_probe(struct platform_device *pdev) spin_lock_init(&bank->lvl_lock[j]); } + tegra_gpio_debuginit(); + return 0; } @@ -536,52 +592,3 @@ static int __init tegra_gpio_init(void) return platform_driver_register(&tegra_gpio_driver); } postcore_initcall(tegra_gpio_init); - -#ifdef CONFIG_DEBUG_FS - -#include <linux/debugfs.h> -#include <linux/seq_file.h> - -static int dbg_gpio_show(struct seq_file *s, void *unused) -{ - int i; - int j; - - for (i = 0; i < tegra_gpio_bank_count; i++) { - for (j = 0; j < 4; j++) { - int gpio = tegra_gpio_compose(i, j, 0); - seq_printf(s, - "%d:%d %02x %02x %02x %02x %02x %02x %06x\n", - i, j, - tegra_gpio_readl(GPIO_CNF(gpio)), - tegra_gpio_readl(GPIO_OE(gpio)), - tegra_gpio_readl(GPIO_OUT(gpio)), - tegra_gpio_readl(GPIO_IN(gpio)), - tegra_gpio_readl(GPIO_INT_STA(gpio)), - tegra_gpio_readl(GPIO_INT_ENB(gpio)), - tegra_gpio_readl(GPIO_INT_LVL(gpio))); - } - } - return 0; -} - -static int dbg_gpio_open(struct inode *inode, struct file *file) -{ - return single_open(file, dbg_gpio_show, &inode->i_private); -} - -static const struct file_operations debug_fops = { - .open = dbg_gpio_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int __init tegra_gpio_debuginit(void) -{ - (void) debugfs_create_file("tegra_gpio", S_IRUGO, - NULL, NULL, &debug_fops); - return 0; -} -late_initcall(tegra_gpio_debuginit); -#endif diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index a18f00fc1bb8..2a91f3287e3b 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -233,7 +233,7 @@ static struct gpio_desc *gpio_name_to_desc(const char * const name) for (i = 0; i != chip->ngpio; ++i) { struct gpio_desc *gpio = &chip->desc[i]; - if (!gpio->name) + if (!gpio->name || !name) continue; if (!strcmp(gpio->name, name)) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 615ce6d464fb..5a5f04d0902d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -389,7 +389,6 @@ struct amdgpu_clock { * Fences. */ struct amdgpu_fence_driver { - struct amdgpu_ring *ring; uint64_t gpu_addr; volatile uint32_t *cpu_addr; /* sync_seq is protected by ring emission lock */ @@ -398,7 +397,7 @@ struct amdgpu_fence_driver { bool initialized; struct amdgpu_irq_src *irq_src; unsigned irq_type; - struct delayed_work lockup_work; + struct timer_list fallback_timer; wait_queue_head_t fence_queue; }; @@ -497,6 +496,7 @@ struct amdgpu_bo_va_mapping { /* bo virtual addresses in a specific vm */ struct amdgpu_bo_va { + struct mutex mutex; /* protected by bo being reserved */ struct list_head bo_list; struct fence *last_pt_update; @@ -539,6 +539,7 @@ struct amdgpu_bo { /* Constant after initialization */ struct amdgpu_device *adev; struct drm_gem_object gem_base; + struct amdgpu_bo *parent; struct ttm_bo_kmap_obj dma_buf_vmap; pid_t pid; @@ -917,8 +918,8 @@ struct amdgpu_ring { #define AMDGPU_VM_FAULT_STOP_ALWAYS 2 struct amdgpu_vm_pt { - struct amdgpu_bo *bo; - uint64_t addr; + struct amdgpu_bo *bo; + uint64_t addr; }; struct amdgpu_vm_id { @@ -926,13 +927,9 @@ struct amdgpu_vm_id { uint64_t pd_gpu_addr; /* last flushed PD/PT update */ struct fence *flushed_updates; - /* last use of vmid */ - struct fence *last_id_use; }; struct amdgpu_vm { - struct mutex mutex; - struct rb_root va; /* protecting invalidated */ @@ -957,24 +954,72 @@ struct amdgpu_vm { /* for id and flush management per ring */ struct amdgpu_vm_id ids[AMDGPU_MAX_RINGS]; + /* for interval tree */ + spinlock_t it_lock; + /* protecting freed */ + spinlock_t freed_lock; }; struct amdgpu_vm_manager { - struct fence *active[AMDGPU_NUM_VM]; - uint32_t max_pfn; + struct { + struct fence *active; + atomic_long_t owner; + } ids[AMDGPU_NUM_VM]; + + uint32_t max_pfn; /* number of VMIDs */ - unsigned nvm; + unsigned nvm; /* vram base address for page table entry */ - u64 vram_base_offset; + u64 vram_base_offset; /* is vm enabled? */ - bool enabled; - /* for hw to save the PD addr on suspend/resume */ - uint32_t saved_table_addr[AMDGPU_NUM_VM]; + bool enabled; /* vm pte handling */ const struct amdgpu_vm_pte_funcs *vm_pte_funcs; struct amdgpu_ring *vm_pte_funcs_ring; }; +void amdgpu_vm_manager_fini(struct amdgpu_device *adev); +int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm); +void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm); +struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev, + struct amdgpu_vm *vm, + struct list_head *head); +int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, + struct amdgpu_sync *sync); +void amdgpu_vm_flush(struct amdgpu_ring *ring, + struct amdgpu_vm *vm, + struct fence *updates); +void amdgpu_vm_fence(struct amdgpu_device *adev, + struct amdgpu_vm *vm, + struct fence *fence); +uint64_t amdgpu_vm_map_gart(struct amdgpu_device *adev, uint64_t addr); +int amdgpu_vm_update_page_directory(struct amdgpu_device *adev, + struct amdgpu_vm *vm); +int amdgpu_vm_clear_freed(struct amdgpu_device *adev, + struct amdgpu_vm *vm); +int amdgpu_vm_clear_invalids(struct amdgpu_device *adev, struct amdgpu_vm *vm, + struct amdgpu_sync *sync); +int amdgpu_vm_bo_update(struct amdgpu_device *adev, + struct amdgpu_bo_va *bo_va, + struct ttm_mem_reg *mem); +void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev, + struct amdgpu_bo *bo); +struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm, + struct amdgpu_bo *bo); +struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, + struct amdgpu_vm *vm, + struct amdgpu_bo *bo); +int amdgpu_vm_bo_map(struct amdgpu_device *adev, + struct amdgpu_bo_va *bo_va, + uint64_t addr, uint64_t offset, + uint64_t size, uint32_t flags); +int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, + struct amdgpu_bo_va *bo_va, + uint64_t addr); +void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, + struct amdgpu_bo_va *bo_va); +int amdgpu_vm_free_job(struct amdgpu_job *job); + /* * context related structures */ @@ -1211,6 +1256,7 @@ struct amdgpu_cs_parser { /* relocations */ struct amdgpu_bo_list_entry *vm_bos; struct list_head validated; + struct fence *fence; struct amdgpu_ib *ibs; uint32_t num_ibs; @@ -1226,7 +1272,7 @@ struct amdgpu_job { struct amdgpu_device *adev; struct amdgpu_ib *ibs; uint32_t num_ibs; - struct mutex job_lock; + void *owner; struct amdgpu_user_fence uf; int (*free_job)(struct amdgpu_job *job); }; @@ -2257,11 +2303,6 @@ void amdgpu_pci_config_reset(struct amdgpu_device *adev); bool amdgpu_card_posted(struct amdgpu_device *adev); void amdgpu_update_display_priority(struct amdgpu_device *adev); bool amdgpu_boot_test_post_card(struct amdgpu_device *adev); -struct amdgpu_cs_parser *amdgpu_cs_parser_create(struct amdgpu_device *adev, - struct drm_file *filp, - struct amdgpu_ctx *ctx, - struct amdgpu_ib *ibs, - uint32_t num_ibs); int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data); int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type, @@ -2319,49 +2360,6 @@ long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); /* - * vm - */ -int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm); -void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm); -struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev, - struct amdgpu_vm *vm, - struct list_head *head); -int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, - struct amdgpu_sync *sync); -void amdgpu_vm_flush(struct amdgpu_ring *ring, - struct amdgpu_vm *vm, - struct fence *updates); -void amdgpu_vm_fence(struct amdgpu_device *adev, - struct amdgpu_vm *vm, - struct amdgpu_fence *fence); -uint64_t amdgpu_vm_map_gart(struct amdgpu_device *adev, uint64_t addr); -int amdgpu_vm_update_page_directory(struct amdgpu_device *adev, - struct amdgpu_vm *vm); -int amdgpu_vm_clear_freed(struct amdgpu_device *adev, - struct amdgpu_vm *vm); -int amdgpu_vm_clear_invalids(struct amdgpu_device *adev, - struct amdgpu_vm *vm, struct amdgpu_sync *sync); -int amdgpu_vm_bo_update(struct amdgpu_device *adev, - struct amdgpu_bo_va *bo_va, - struct ttm_mem_reg *mem); -void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev, - struct amdgpu_bo *bo); -struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm, - struct amdgpu_bo *bo); -struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, - struct amdgpu_vm *vm, - struct amdgpu_bo *bo); -int amdgpu_vm_bo_map(struct amdgpu_device *adev, - struct amdgpu_bo_va *bo_va, - uint64_t addr, uint64_t offset, - uint64_t size, uint32_t flags); -int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, - struct amdgpu_bo_va *bo_va, - uint64_t addr); -void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, - struct amdgpu_bo_va *bo_va); -int amdgpu_vm_free_job(struct amdgpu_job *job); -/* * functions used by amdgpu_encoder.c */ struct amdgpu_afmt_acr { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index dfc4d02c7a38..4f352ec9dec4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -127,30 +127,6 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type, return 0; } -struct amdgpu_cs_parser *amdgpu_cs_parser_create(struct amdgpu_device *adev, - struct drm_file *filp, - struct amdgpu_ctx *ctx, - struct amdgpu_ib *ibs, - uint32_t num_ibs) -{ - struct amdgpu_cs_parser *parser; - int i; - - parser = kzalloc(sizeof(struct amdgpu_cs_parser), GFP_KERNEL); - if (!parser) - return NULL; - - parser->adev = adev; - parser->filp = filp; - parser->ctx = ctx; - parser->ibs = ibs; - parser->num_ibs = num_ibs; - for (i = 0; i < num_ibs; i++) - ibs[i].ctx = ctx; - - return parser; -} - int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) { union drm_amdgpu_cs *cs = data; @@ -246,6 +222,8 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) } p->uf.bo = gem_to_amdgpu_bo(gobj); + amdgpu_bo_ref(p->uf.bo); + drm_gem_object_unreference_unlocked(gobj); p->uf.offset = fence_data->offset; } else { ret = -EINVAL; @@ -463,8 +441,18 @@ static int cmp_size_smaller_first(void *priv, struct list_head *a, return (int)la->robj->tbo.num_pages - (int)lb->robj->tbo.num_pages; } -static void amdgpu_cs_parser_fini_early(struct amdgpu_cs_parser *parser, int error, bool backoff) +/** + * cs_parser_fini() - clean parser states + * @parser: parser structure holding parsing context. + * @error: error number + * + * If error is set than unvalidate buffer, otherwise just free memory + * used by parsing context. + **/ +static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bool backoff) { + unsigned i; + if (!error) { /* Sort the buffer list from the smallest to largest buffer, * which affects the order of buffers in the LRU list. @@ -479,17 +467,14 @@ static void amdgpu_cs_parser_fini_early(struct amdgpu_cs_parser *parser, int err list_sort(NULL, &parser->validated, cmp_size_smaller_first); ttm_eu_fence_buffer_objects(&parser->ticket, - &parser->validated, - &parser->ibs[parser->num_ibs-1].fence->base); + &parser->validated, + parser->fence); } else if (backoff) { ttm_eu_backoff_reservation(&parser->ticket, &parser->validated); } -} + fence_put(parser->fence); -static void amdgpu_cs_parser_fini_late(struct amdgpu_cs_parser *parser) -{ - unsigned i; if (parser->ctx) amdgpu_ctx_put(parser->ctx); if (parser->bo_list) @@ -499,31 +484,12 @@ static void amdgpu_cs_parser_fini_late(struct amdgpu_cs_parser *parser) for (i = 0; i < parser->nchunks; i++) drm_free_large(parser->chunks[i].kdata); kfree(parser->chunks); - if (!amdgpu_enable_scheduler) - { - if (parser->ibs) - for (i = 0; i < parser->num_ibs; i++) - amdgpu_ib_free(parser->adev, &parser->ibs[i]); - kfree(parser->ibs); - if (parser->uf.bo) - drm_gem_object_unreference_unlocked(&parser->uf.bo->gem_base); - } - - kfree(parser); -} - -/** - * cs_parser_fini() - clean parser states - * @parser: parser structure holding parsing context. - * @error: error number - * - * If error is set than unvalidate buffer, otherwise just free memory - * used by parsing context. - **/ -static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bool backoff) -{ - amdgpu_cs_parser_fini_early(parser, error, backoff); - amdgpu_cs_parser_fini_late(parser); + if (parser->ibs) + for (i = 0; i < parser->num_ibs; i++) + amdgpu_ib_free(parser->adev, &parser->ibs[i]); + kfree(parser->ibs); + if (parser->uf.bo) + amdgpu_bo_unref(&parser->uf.bo); } static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p, @@ -610,15 +576,9 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev, } r = amdgpu_bo_vm_update_pte(parser, vm); - if (r) { - goto out; - } - amdgpu_cs_sync_rings(parser); - if (!amdgpu_enable_scheduler) - r = amdgpu_ib_schedule(adev, parser->num_ibs, parser->ibs, - parser->filp); + if (!r) + amdgpu_cs_sync_rings(parser); -out: return r; } @@ -818,7 +778,7 @@ static int amdgpu_cs_free_job(struct amdgpu_job *job) amdgpu_ib_free(job->adev, &job->ibs[i]); kfree(job->ibs); if (job->uf.bo) - drm_gem_object_unreference_unlocked(&job->uf.bo->gem_base); + amdgpu_bo_unref(&job->uf.bo); return 0; } @@ -826,38 +786,35 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct amdgpu_device *adev = dev->dev_private; union drm_amdgpu_cs *cs = data; - struct amdgpu_fpriv *fpriv = filp->driver_priv; - struct amdgpu_vm *vm = &fpriv->vm; - struct amdgpu_cs_parser *parser; + struct amdgpu_cs_parser parser = {}; bool reserved_buffers = false; int i, r; if (!adev->accel_working) return -EBUSY; - parser = amdgpu_cs_parser_create(adev, filp, NULL, NULL, 0); - if (!parser) - return -ENOMEM; - r = amdgpu_cs_parser_init(parser, data); + parser.adev = adev; + parser.filp = filp; + + r = amdgpu_cs_parser_init(&parser, data); if (r) { DRM_ERROR("Failed to initialize parser !\n"); - amdgpu_cs_parser_fini(parser, r, false); + amdgpu_cs_parser_fini(&parser, r, false); r = amdgpu_cs_handle_lockup(adev, r); return r; } - mutex_lock(&vm->mutex); - r = amdgpu_cs_parser_relocs(parser); + r = amdgpu_cs_parser_relocs(&parser); if (r == -ENOMEM) DRM_ERROR("Not enough memory for command submission!\n"); else if (r && r != -ERESTARTSYS) DRM_ERROR("Failed to process the buffer list %d!\n", r); else if (!r) { reserved_buffers = true; - r = amdgpu_cs_ib_fill(adev, parser); + r = amdgpu_cs_ib_fill(adev, &parser); } if (!r) { - r = amdgpu_cs_dependencies(adev, parser); + r = amdgpu_cs_dependencies(adev, &parser); if (r) DRM_ERROR("Failed in the dependencies handling %d!\n", r); } @@ -865,63 +822,71 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) if (r) goto out; - for (i = 0; i < parser->num_ibs; i++) - trace_amdgpu_cs(parser, i); + for (i = 0; i < parser.num_ibs; i++) + trace_amdgpu_cs(&parser, i); - r = amdgpu_cs_ib_vm_chunk(adev, parser); + r = amdgpu_cs_ib_vm_chunk(adev, &parser); if (r) goto out; - if (amdgpu_enable_scheduler && parser->num_ibs) { + if (amdgpu_enable_scheduler && parser.num_ibs) { + struct amdgpu_ring * ring = parser.ibs->ring; + struct amd_sched_fence *fence; struct amdgpu_job *job; - struct amdgpu_ring * ring = parser->ibs->ring; + job = kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL); if (!job) { r = -ENOMEM; goto out; } + job->base.sched = &ring->sched; - job->base.s_entity = &parser->ctx->rings[ring->idx].entity; - job->adev = parser->adev; - job->ibs = parser->ibs; - job->num_ibs = parser->num_ibs; - job->base.owner = parser->filp; - mutex_init(&job->job_lock); + job->base.s_entity = &parser.ctx->rings[ring->idx].entity; + job->adev = parser.adev; + job->owner = parser.filp; + job->free_job = amdgpu_cs_free_job; + + job->ibs = parser.ibs; + job->num_ibs = parser.num_ibs; + parser.ibs = NULL; + parser.num_ibs = 0; + if (job->ibs[job->num_ibs - 1].user) { - memcpy(&job->uf, &parser->uf, - sizeof(struct amdgpu_user_fence)); + job->uf = parser.uf; job->ibs[job->num_ibs - 1].user = &job->uf; + parser.uf.bo = NULL; } - job->free_job = amdgpu_cs_free_job; - mutex_lock(&job->job_lock); - r = amd_sched_entity_push_job(&job->base); - if (r) { - mutex_unlock(&job->job_lock); + fence = amd_sched_fence_create(job->base.s_entity, + parser.filp); + if (!fence) { + r = -ENOMEM; amdgpu_cs_free_job(job); kfree(job); goto out; } - cs->out.handle = - amdgpu_ctx_add_fence(parser->ctx, ring, - &job->base.s_fence->base); - parser->ibs[parser->num_ibs - 1].sequence = cs->out.handle; + job->base.s_fence = fence; + parser.fence = fence_get(&fence->base); - list_sort(NULL, &parser->validated, cmp_size_smaller_first); - ttm_eu_fence_buffer_objects(&parser->ticket, - &parser->validated, - &job->base.s_fence->base); + cs->out.handle = amdgpu_ctx_add_fence(parser.ctx, ring, + &fence->base); + job->ibs[job->num_ibs - 1].sequence = cs->out.handle; - mutex_unlock(&job->job_lock); - amdgpu_cs_parser_fini_late(parser); - mutex_unlock(&vm->mutex); - return 0; + trace_amdgpu_cs_ioctl(job); + amd_sched_entity_push_job(&job->base); + + } else { + struct amdgpu_fence *fence; + + r = amdgpu_ib_schedule(adev, parser.num_ibs, parser.ibs, + parser.filp); + fence = parser.ibs[parser.num_ibs - 1].fence; + parser.fence = fence_get(&fence->base); + cs->out.handle = parser.ibs[parser.num_ibs - 1].sequence; } - cs->out.handle = parser->ibs[parser->num_ibs - 1].sequence; out: - amdgpu_cs_parser_fini(parser, r, reserved_buffers); - mutex_unlock(&vm->mutex); + amdgpu_cs_parser_fini(&parser, r, reserved_buffers); r = amdgpu_cs_handle_lockup(adev, r); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index e173a5a02f0d..5580d3420c3a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -73,6 +73,8 @@ static void amdgpu_flip_work_func(struct work_struct *__work) struct drm_crtc *crtc = &amdgpuCrtc->base; unsigned long flags; unsigned i; + int vpos, hpos, stat, min_udelay; + struct drm_vblank_crtc *vblank = &crtc->dev->vblank[work->crtc_id]; amdgpu_flip_wait_fence(adev, &work->excl); for (i = 0; i < work->shared_count; ++i) @@ -81,6 +83,41 @@ static void amdgpu_flip_work_func(struct work_struct *__work) /* We borrow the event spin lock for protecting flip_status */ spin_lock_irqsave(&crtc->dev->event_lock, flags); + /* If this happens to execute within the "virtually extended" vblank + * interval before the start of the real vblank interval then it needs + * to delay programming the mmio flip until the real vblank is entered. + * This prevents completing a flip too early due to the way we fudge + * our vblank counter and vblank timestamps in order to work around the + * problem that the hw fires vblank interrupts before actual start of + * vblank (when line buffer refilling is done for a frame). It + * complements the fudging logic in amdgpu_get_crtc_scanoutpos() for + * timestamping and amdgpu_get_vblank_counter_kms() for vblank counts. + * + * In practice this won't execute very often unless on very fast + * machines because the time window for this to happen is very small. + */ + for (;;) { + /* GET_DISTANCE_TO_VBLANKSTART returns distance to real vblank + * start in hpos, and to the "fudged earlier" vblank start in + * vpos. + */ + stat = amdgpu_get_crtc_scanoutpos(adev->ddev, work->crtc_id, + GET_DISTANCE_TO_VBLANKSTART, + &vpos, &hpos, NULL, NULL, + &crtc->hwmode); + + if ((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) != + (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE) || + !(vpos >= 0 && hpos <= 0)) + break; + + /* Sleep at least until estimated real start of hw vblank */ + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + min_udelay = (-hpos + 1) * max(vblank->linedur_ns / 1000, 5); + usleep_range(min_udelay, 2 * min_udelay); + spin_lock_irqsave(&crtc->dev->event_lock, flags); + }; + /* do the flip (mmio) */ adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base); /* set the flip status */ @@ -109,7 +146,7 @@ static void amdgpu_unpin_work_func(struct work_struct *__work) } else DRM_ERROR("failed to reserve buffer after flip\n"); - drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); + amdgpu_bo_unref(&work->old_rbo); kfree(work->shared); kfree(work); } @@ -148,8 +185,8 @@ int amdgpu_crtc_page_flip(struct drm_crtc *crtc, obj = old_amdgpu_fb->obj; /* take a reference to the old object */ - drm_gem_object_reference(obj); work->old_rbo = gem_to_amdgpu_bo(obj); + amdgpu_bo_ref(work->old_rbo); new_amdgpu_fb = to_amdgpu_framebuffer(fb); obj = new_amdgpu_fb->obj; @@ -222,7 +259,7 @@ pflip_cleanup: amdgpu_bo_unreserve(new_rbo); cleanup: - drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); + amdgpu_bo_unref(&work->old_rbo); fence_put(work->excl); for (i = 0; i < work->shared_count; ++i) fence_put(work->shared[i]); @@ -712,6 +749,15 @@ bool amdgpu_crtc_scaling_mode_fixup(struct drm_crtc *crtc, * \param dev Device to query. * \param pipe Crtc to query. * \param flags Flags from caller (DRM_CALLED_FROM_VBLIRQ or 0). + * For driver internal use only also supports these flags: + * + * USE_REAL_VBLANKSTART to use the real start of vblank instead + * of a fudged earlier start of vblank. + * + * GET_DISTANCE_TO_VBLANKSTART to return distance to the + * fudged earlier start of vblank in *vpos and the distance + * to true start of vblank in *hpos. + * * \param *vpos Location where vertical scanout position should be stored. * \param *hpos Location where horizontal scanout position should go. * \param *stime Target location for timestamp taken immediately before @@ -776,10 +822,40 @@ int amdgpu_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, vbl_end = 0; } + /* Called from driver internal vblank counter query code? */ + if (flags & GET_DISTANCE_TO_VBLANKSTART) { + /* Caller wants distance from real vbl_start in *hpos */ + *hpos = *vpos - vbl_start; + } + + /* Fudge vblank to start a few scanlines earlier to handle the + * problem that vblank irqs fire a few scanlines before start + * of vblank. Some driver internal callers need the true vblank + * start to be used and signal this via the USE_REAL_VBLANKSTART flag. + * + * The cause of the "early" vblank irq is that the irq is triggered + * by the line buffer logic when the line buffer read position enters + * the vblank, whereas our crtc scanout position naturally lags the + * line buffer read position. + */ + if (!(flags & USE_REAL_VBLANKSTART)) + vbl_start -= adev->mode_info.crtcs[pipe]->lb_vblank_lead_lines; + /* Test scanout position against vblank region. */ if ((*vpos < vbl_start) && (*vpos >= vbl_end)) in_vbl = false; + /* In vblank? */ + if (in_vbl) + ret |= DRM_SCANOUTPOS_IN_VBLANK; + + /* Called from driver internal vblank counter query code? */ + if (flags & GET_DISTANCE_TO_VBLANKSTART) { + /* Caller wants distance from fudged earlier vbl_start */ + *vpos -= vbl_start; + return ret; + } + /* Check if inside vblank area and apply corrective offsets: * vpos will then be >=0 in video scanout area, but negative * within vblank area, counting down the number of lines until @@ -795,32 +871,6 @@ int amdgpu_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, /* Correct for shifted end of vbl at vbl_end. */ *vpos = *vpos - vbl_end; - /* In vblank? */ - if (in_vbl) - ret |= DRM_SCANOUTPOS_IN_VBLANK; - - /* Is vpos outside nominal vblank area, but less than - * 1/100 of a frame height away from start of vblank? - * If so, assume this isn't a massively delayed vblank - * interrupt, but a vblank interrupt that fired a few - * microseconds before true start of vblank. Compensate - * by adding a full frame duration to the final timestamp. - * Happens, e.g., on ATI R500, R600. - * - * We only do this if DRM_CALLED_FROM_VBLIRQ. - */ - if ((flags & DRM_CALLED_FROM_VBLIRQ) && !in_vbl) { - vbl_start = mode->crtc_vdisplay; - vtotal = mode->crtc_vtotal; - - if (vbl_start - *vpos < vtotal / 100) { - *vpos -= vtotal; - - /* Signal this correction as "applied". */ - ret |= 0x8; - } - } - return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 257d72205bb5..3671f9f220bd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -47,6 +47,9 @@ * that the the relevant GPU caches have been flushed. */ +static struct kmem_cache *amdgpu_fence_slab; +static atomic_t amdgpu_fence_slab_ref = ATOMIC_INIT(0); + /** * amdgpu_fence_write - write a fence value * @@ -85,24 +88,6 @@ static u32 amdgpu_fence_read(struct amdgpu_ring *ring) } /** - * amdgpu_fence_schedule_check - schedule lockup check - * - * @ring: pointer to struct amdgpu_ring - * - * Queues a delayed work item to check for lockups. - */ -static void amdgpu_fence_schedule_check(struct amdgpu_ring *ring) -{ - /* - * Do not reset the timer here with mod_delayed_work, - * this can livelock in an interaction with TTM delayed destroy. - */ - queue_delayed_work(system_power_efficient_wq, - &ring->fence_drv.lockup_work, - AMDGPU_FENCE_JIFFIES_TIMEOUT); -} - -/** * amdgpu_fence_emit - emit a fence on the requested ring * * @ring: ring the fence is associated with @@ -118,7 +103,7 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner, struct amdgpu_device *adev = ring->adev; /* we are protected by the ring emission mutex */ - *fence = kmalloc(sizeof(struct amdgpu_fence), GFP_KERNEL); + *fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_KERNEL); if ((*fence) == NULL) { return -ENOMEM; } @@ -132,11 +117,23 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner, amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr, (*fence)->seq, AMDGPU_FENCE_FLAG_INT); - trace_amdgpu_fence_emit(ring->adev->ddev, ring->idx, (*fence)->seq); return 0; } /** + * amdgpu_fence_schedule_fallback - schedule fallback check + * + * @ring: pointer to struct amdgpu_ring + * + * Start a timer as fallback to our interrupts. + */ +static void amdgpu_fence_schedule_fallback(struct amdgpu_ring *ring) +{ + mod_timer(&ring->fence_drv.fallback_timer, + jiffies + AMDGPU_FENCE_JIFFIES_TIMEOUT); +} + +/** * amdgpu_fence_activity - check for fence activity * * @ring: pointer to struct amdgpu_ring @@ -202,45 +199,38 @@ static bool amdgpu_fence_activity(struct amdgpu_ring *ring) } while (atomic64_xchg(&ring->fence_drv.last_seq, seq) > seq); if (seq < last_emitted) - amdgpu_fence_schedule_check(ring); + amdgpu_fence_schedule_fallback(ring); return wake; } /** - * amdgpu_fence_check_lockup - check for hardware lockup + * amdgpu_fence_process - process a fence * - * @work: delayed work item + * @adev: amdgpu_device pointer + * @ring: ring index the fence is associated with * - * Checks for fence activity and if there is none probe - * the hardware if a lockup occured. + * Checks the current fence value and wakes the fence queue + * if the sequence number has increased (all asics). */ -static void amdgpu_fence_check_lockup(struct work_struct *work) +void amdgpu_fence_process(struct amdgpu_ring *ring) { - struct amdgpu_fence_driver *fence_drv; - struct amdgpu_ring *ring; - - fence_drv = container_of(work, struct amdgpu_fence_driver, - lockup_work.work); - ring = fence_drv->ring; - if (amdgpu_fence_activity(ring)) wake_up_all(&ring->fence_drv.fence_queue); } /** - * amdgpu_fence_process - process a fence + * amdgpu_fence_fallback - fallback for hardware interrupts * - * @adev: amdgpu_device pointer - * @ring: ring index the fence is associated with + * @work: delayed work item * - * Checks the current fence value and wakes the fence queue - * if the sequence number has increased (all asics). + * Checks for fence activity. */ -void amdgpu_fence_process(struct amdgpu_ring *ring) +static void amdgpu_fence_fallback(unsigned long arg) { - if (amdgpu_fence_activity(ring)) - wake_up_all(&ring->fence_drv.fence_queue); + struct amdgpu_ring *ring = (void *)arg; + + amdgpu_fence_process(ring); } /** @@ -290,7 +280,7 @@ static int amdgpu_fence_ring_wait_seq(struct amdgpu_ring *ring, uint64_t seq) if (atomic64_read(&ring->fence_drv.last_seq) >= seq) return 0; - amdgpu_fence_schedule_check(ring); + amdgpu_fence_schedule_fallback(ring); wait_event(ring->fence_drv.fence_queue, ( (signaled = amdgpu_fence_seq_signaled(ring, seq)))); @@ -491,9 +481,8 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring) atomic64_set(&ring->fence_drv.last_seq, 0); ring->fence_drv.initialized = false; - INIT_DELAYED_WORK(&ring->fence_drv.lockup_work, - amdgpu_fence_check_lockup); - ring->fence_drv.ring = ring; + setup_timer(&ring->fence_drv.fallback_timer, amdgpu_fence_fallback, + (unsigned long)ring); init_waitqueue_head(&ring->fence_drv.fence_queue); @@ -536,6 +525,13 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring) */ int amdgpu_fence_driver_init(struct amdgpu_device *adev) { + if (atomic_inc_return(&amdgpu_fence_slab_ref) == 1) { + amdgpu_fence_slab = kmem_cache_create( + "amdgpu_fence", sizeof(struct amdgpu_fence), 0, + SLAB_HWCACHE_ALIGN, NULL); + if (!amdgpu_fence_slab) + return -ENOMEM; + } if (amdgpu_debugfs_fence_init(adev)) dev_err(adev->dev, "fence debugfs file creation failed\n"); @@ -554,9 +550,12 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev) { int i, r; + if (atomic_dec_and_test(&amdgpu_fence_slab_ref)) + kmem_cache_destroy(amdgpu_fence_slab); mutex_lock(&adev->ring_lock); for (i = 0; i < AMDGPU_MAX_RINGS; i++) { struct amdgpu_ring *ring = adev->rings[i]; + if (!ring || !ring->fence_drv.initialized) continue; r = amdgpu_fence_wait_empty(ring); @@ -568,6 +567,7 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev) amdgpu_irq_put(adev, ring->fence_drv.irq_src, ring->fence_drv.irq_type); amd_sched_fini(&ring->sched); + del_timer_sync(&ring->fence_drv.fallback_timer); ring->fence_drv.initialized = false; } mutex_unlock(&adev->ring_lock); @@ -751,18 +751,25 @@ static bool amdgpu_fence_enable_signaling(struct fence *f) fence->fence_wake.func = amdgpu_fence_check_signaled; __add_wait_queue(&ring->fence_drv.fence_queue, &fence->fence_wake); fence_get(f); - amdgpu_fence_schedule_check(ring); + if (!timer_pending(&ring->fence_drv.fallback_timer)) + amdgpu_fence_schedule_fallback(ring); FENCE_TRACE(&fence->base, "armed on ring %i!\n", ring->idx); return true; } +static void amdgpu_fence_release(struct fence *f) +{ + struct amdgpu_fence *fence = to_amdgpu_fence(f); + kmem_cache_free(amdgpu_fence_slab, fence); +} + const struct fence_ops amdgpu_fence_ops = { .get_driver_name = amdgpu_fence_get_driver_name, .get_timeline_name = amdgpu_fence_get_timeline_name, .enable_signaling = amdgpu_fence_enable_signaling, .signaled = amdgpu_fence_is_signaled, .wait = fence_default_wait, - .release = NULL, + .release = amdgpu_fence_release, }; /* diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 087332858853..f6ea4b43a60c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -115,12 +115,9 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_pri struct amdgpu_vm *vm = &fpriv->vm; struct amdgpu_bo_va *bo_va; int r; - mutex_lock(&vm->mutex); r = amdgpu_bo_reserve(rbo, false); - if (r) { - mutex_unlock(&vm->mutex); + if (r) return r; - } bo_va = amdgpu_vm_bo_find(vm, rbo); if (!bo_va) { @@ -129,7 +126,6 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_pri ++bo_va->ref_count; } amdgpu_bo_unreserve(rbo); - mutex_unlock(&vm->mutex); return 0; } @@ -142,10 +138,8 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj, struct amdgpu_vm *vm = &fpriv->vm; struct amdgpu_bo_va *bo_va; int r; - mutex_lock(&vm->mutex); r = amdgpu_bo_reserve(rbo, true); if (r) { - mutex_unlock(&vm->mutex); dev_err(adev->dev, "leaking bo va because " "we fail to reserve bo (%d)\n", r); return; @@ -157,7 +151,6 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj, } } amdgpu_bo_unreserve(rbo); - mutex_unlock(&vm->mutex); } static int amdgpu_gem_handle_lockup(struct amdgpu_device *adev, int r) @@ -242,8 +235,9 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data, AMDGPU_GEM_USERPTR_REGISTER)) return -EINVAL; - if (!(args->flags & AMDGPU_GEM_USERPTR_ANONONLY) || - !(args->flags & AMDGPU_GEM_USERPTR_REGISTER)) { + if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && ( + !(args->flags & AMDGPU_GEM_USERPTR_ANONONLY) || + !(args->flags & AMDGPU_GEM_USERPTR_REGISTER))) { /* if we want to write to it we must require anonymous memory and install a MMU notifier */ @@ -483,6 +477,9 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, if (domain == AMDGPU_GEM_DOMAIN_CPU) goto error_unreserve; } + r = amdgpu_vm_update_page_directory(adev, bo_va->vm); + if (r) + goto error_unreserve; r = amdgpu_vm_clear_freed(adev, bo_va->vm); if (r) @@ -512,6 +509,9 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, struct amdgpu_fpriv *fpriv = filp->driver_priv; struct amdgpu_bo *rbo; struct amdgpu_bo_va *bo_va; + struct ttm_validate_buffer tv, tv_pd; + struct ww_acquire_ctx ticket; + struct list_head list, duplicates; uint32_t invalid_flags, va_flags = 0; int r = 0; @@ -547,19 +547,28 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, gobj = drm_gem_object_lookup(dev, filp, args->handle); if (gobj == NULL) return -ENOENT; - mutex_lock(&fpriv->vm.mutex); rbo = gem_to_amdgpu_bo(gobj); - r = amdgpu_bo_reserve(rbo, false); + INIT_LIST_HEAD(&list); + INIT_LIST_HEAD(&duplicates); + tv.bo = &rbo->tbo; + tv.shared = true; + list_add(&tv.head, &list); + + if (args->operation == AMDGPU_VA_OP_MAP) { + tv_pd.bo = &fpriv->vm.page_directory->tbo; + tv_pd.shared = true; + list_add(&tv_pd.head, &list); + } + r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates); if (r) { - mutex_unlock(&fpriv->vm.mutex); drm_gem_object_unreference_unlocked(gobj); return r; } bo_va = amdgpu_vm_bo_find(&fpriv->vm, rbo); if (!bo_va) { - amdgpu_bo_unreserve(rbo); - mutex_unlock(&fpriv->vm.mutex); + ttm_eu_backoff_reservation(&ticket, &list); + drm_gem_object_unreference_unlocked(gobj); return -ENOENT; } @@ -581,10 +590,10 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, default: break; } - + ttm_eu_backoff_reservation(&ticket, &list); if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE)) amdgpu_gem_va_update_vm(adev, bo_va, args->operation); - mutex_unlock(&fpriv->vm.mutex); + drm_gem_object_unreference_unlocked(gobj); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index e65987743871..9e25edafa721 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -62,7 +62,7 @@ int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm, int r; if (size) { - r = amdgpu_sa_bo_new(adev, &adev->ring_tmp_bo, + r = amdgpu_sa_bo_new(&adev->ring_tmp_bo, &ib->sa_bo, size, 256); if (r) { dev_err(adev->dev, "failed to get a new IB (%d)\n", r); @@ -216,7 +216,7 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs, } if (ib->vm) - amdgpu_vm_fence(adev, ib->vm, ib->fence); + amdgpu_vm_fence(adev, ib->vm, &ib->fence->base); amdgpu_ring_unlock_commit(ring); return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 1618e2294a16..e23843f4d877 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -611,13 +611,59 @@ void amdgpu_driver_preclose_kms(struct drm_device *dev, u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe) { struct amdgpu_device *adev = dev->dev_private; + int vpos, hpos, stat; + u32 count; if (pipe >= adev->mode_info.num_crtc) { DRM_ERROR("Invalid crtc %u\n", pipe); return -EINVAL; } - return amdgpu_display_vblank_get_counter(adev, pipe); + /* The hw increments its frame counter at start of vsync, not at start + * of vblank, as is required by DRM core vblank counter handling. + * Cook the hw count here to make it appear to the caller as if it + * incremented at start of vblank. We measure distance to start of + * vblank in vpos. vpos therefore will be >= 0 between start of vblank + * and start of vsync, so vpos >= 0 means to bump the hw frame counter + * result by 1 to give the proper appearance to caller. + */ + if (adev->mode_info.crtcs[pipe]) { + /* Repeat readout if needed to provide stable result if + * we cross start of vsync during the queries. + */ + do { + count = amdgpu_display_vblank_get_counter(adev, pipe); + /* Ask amdgpu_get_crtc_scanoutpos to return vpos as + * distance to start of vblank, instead of regular + * vertical scanout pos. + */ + stat = amdgpu_get_crtc_scanoutpos( + dev, pipe, GET_DISTANCE_TO_VBLANKSTART, + &vpos, &hpos, NULL, NULL, + &adev->mode_info.crtcs[pipe]->base.hwmode); + } while (count != amdgpu_display_vblank_get_counter(adev, pipe)); + + if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) != + (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) { + DRM_DEBUG_VBL("Query failed! stat %d\n", stat); + } else { + DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n", + pipe, vpos); + + /* Bump counter if we are at >= leading edge of vblank, + * but before vsync where vpos would turn negative and + * the hw counter really increments. + */ + if (vpos >= 0) + count++; + } + } else { + /* Fallback to use value as is. */ + count = amdgpu_display_vblank_get_counter(adev, pipe); + DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n"); + } + + return count; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h index b62c1710cab6..064ebb347074 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h @@ -407,6 +407,7 @@ struct amdgpu_crtc { u32 line_time; u32 wm_low; u32 wm_high; + u32 lb_vblank_lead_lines; struct drm_display_mode hw_mode; }; @@ -528,6 +529,10 @@ struct amdgpu_framebuffer { #define ENCODER_MODE_IS_DP(em) (((em) == ATOM_ENCODER_MODE_DP) || \ ((em) == ATOM_ENCODER_MODE_DP_MST)) +/* Driver internal use only flags of amdgpu_get_crtc_scanoutpos() */ +#define USE_REAL_VBLANKSTART (1 << 30) +#define GET_DISTANCE_TO_VBLANKSTART (1 << 31) + void amdgpu_link_encoder_connector(struct drm_device *dev); struct drm_connector * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 0d524384ff79..c3ce103b6a33 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -100,6 +100,7 @@ static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo) list_del_init(&bo->list); mutex_unlock(&bo->adev->gem.mutex); drm_gem_object_release(&bo->gem_base); + amdgpu_bo_unref(&bo->parent); kfree(bo->metadata); kfree(bo); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 3c2ff4567798..ea756e77b023 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -189,10 +189,9 @@ int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev, struct amdgpu_sa_manager *sa_manager); int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev, struct amdgpu_sa_manager *sa_manager); -int amdgpu_sa_bo_new(struct amdgpu_device *adev, - struct amdgpu_sa_manager *sa_manager, - struct amdgpu_sa_bo **sa_bo, - unsigned size, unsigned align); +int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager, + struct amdgpu_sa_bo **sa_bo, + unsigned size, unsigned align); void amdgpu_sa_bo_free(struct amdgpu_device *adev, struct amdgpu_sa_bo **sa_bo, struct fence *fence); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c index 0212b31dc194..8b88edb0434b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c @@ -311,8 +311,7 @@ static bool amdgpu_sa_bo_next_hole(struct amdgpu_sa_manager *sa_manager, return false; } -int amdgpu_sa_bo_new(struct amdgpu_device *adev, - struct amdgpu_sa_manager *sa_manager, +int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager, struct amdgpu_sa_bo **sa_bo, unsigned size, unsigned align) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c index dcf4a8aca680..438c05254695 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c @@ -26,6 +26,7 @@ #include <linux/sched.h> #include <drm/drmP.h> #include "amdgpu.h" +#include "amdgpu_trace.h" static struct fence *amdgpu_sched_dependency(struct amd_sched_job *sched_job) { @@ -44,11 +45,8 @@ static struct fence *amdgpu_sched_run_job(struct amd_sched_job *sched_job) return NULL; } job = to_amdgpu_job(sched_job); - mutex_lock(&job->job_lock); - r = amdgpu_ib_schedule(job->adev, - job->num_ibs, - job->ibs, - job->base.owner); + trace_amdgpu_sched_run_job(job); + r = amdgpu_ib_schedule(job->adev, job->num_ibs, job->ibs, job->owner); if (r) { DRM_ERROR("Error scheduling IBs (%d)\n", r); goto err; @@ -61,8 +59,6 @@ err: if (job->free_job) job->free_job(job); - mutex_unlock(&job->job_lock); - fence_put(&job->base.s_fence->base); kfree(job); return fence ? &fence->base : NULL; } @@ -88,21 +84,19 @@ int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev, return -ENOMEM; job->base.sched = &ring->sched; job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity; + job->base.s_fence = amd_sched_fence_create(job->base.s_entity, owner); + if (!job->base.s_fence) { + kfree(job); + return -ENOMEM; + } + *f = fence_get(&job->base.s_fence->base); + job->adev = adev; job->ibs = ibs; job->num_ibs = num_ibs; - job->base.owner = owner; - mutex_init(&job->job_lock); + job->owner = owner; job->free_job = free_job; - mutex_lock(&job->job_lock); - r = amd_sched_entity_push_job(&job->base); - if (r) { - mutex_unlock(&job->job_lock); - kfree(job); - return r; - } - *f = fence_get(&job->base.s_fence->base); - mutex_unlock(&job->job_lock); + amd_sched_entity_push_job(&job->base); } else { r = amdgpu_ib_schedule(adev, num_ibs, ibs, owner); if (r) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c index ff3ca52ec6fe..1caaf201b708 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_semaphore.c @@ -40,7 +40,7 @@ int amdgpu_semaphore_create(struct amdgpu_device *adev, if (*semaphore == NULL) { return -ENOMEM; } - r = amdgpu_sa_bo_new(adev, &adev->ring_tmp_bo, + r = amdgpu_sa_bo_new(&adev->ring_tmp_bo, &(*semaphore)->sa_bo, 8, 8); if (r) { kfree(*semaphore); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c index a6697fd05217..dd005c336c97 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -302,8 +302,14 @@ int amdgpu_sync_rings(struct amdgpu_sync *sync, return -EINVAL; } - if (amdgpu_enable_scheduler || !amdgpu_enable_semaphores || - (count >= AMDGPU_NUM_SYNCS)) { + if (amdgpu_enable_scheduler || !amdgpu_enable_semaphores) { + r = fence_wait(&fence->base, true); + if (r) + return r; + continue; + } + + if (count >= AMDGPU_NUM_SYNCS) { /* not enough room, wait manually */ r = fence_wait(&fence->base, false); if (r) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h index 76ecbaf72a2e..8f9834ab1bd5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h @@ -48,6 +48,57 @@ TRACE_EVENT(amdgpu_cs, __entry->fences) ); +TRACE_EVENT(amdgpu_cs_ioctl, + TP_PROTO(struct amdgpu_job *job), + TP_ARGS(job), + TP_STRUCT__entry( + __field(struct amdgpu_device *, adev) + __field(struct amd_sched_job *, sched_job) + __field(struct amdgpu_ib *, ib) + __field(struct fence *, fence) + __field(char *, ring_name) + __field(u32, num_ibs) + ), + + TP_fast_assign( + __entry->adev = job->adev; + __entry->sched_job = &job->base; + __entry->ib = job->ibs; + __entry->fence = &job->base.s_fence->base; + __entry->ring_name = job->ibs[0].ring->name; + __entry->num_ibs = job->num_ibs; + ), + TP_printk("adev=%p, sched_job=%p, first ib=%p, sched fence=%p, ring name:%s, num_ibs:%u", + __entry->adev, __entry->sched_job, __entry->ib, + __entry->fence, __entry->ring_name, __entry->num_ibs) +); + +TRACE_EVENT(amdgpu_sched_run_job, + TP_PROTO(struct amdgpu_job *job), + TP_ARGS(job), + TP_STRUCT__entry( + __field(struct amdgpu_device *, adev) + __field(struct amd_sched_job *, sched_job) + __field(struct amdgpu_ib *, ib) + __field(struct fence *, fence) + __field(char *, ring_name) + __field(u32, num_ibs) + ), + + TP_fast_assign( + __entry->adev = job->adev; + __entry->sched_job = &job->base; + __entry->ib = job->ibs; + __entry->fence = &job->base.s_fence->base; + __entry->ring_name = job->ibs[0].ring->name; + __entry->num_ibs = job->num_ibs; + ), + TP_printk("adev=%p, sched_job=%p, first ib=%p, sched fence=%p, ring name:%s, num_ibs:%u", + __entry->adev, __entry->sched_job, __entry->ib, + __entry->fence, __entry->ring_name, __entry->num_ibs) +); + + TRACE_EVENT(amdgpu_vm_grab_id, TP_PROTO(unsigned vmid, int ring), TP_ARGS(vmid, ring), @@ -196,49 +247,6 @@ TRACE_EVENT(amdgpu_bo_list_set, TP_printk("list=%p, bo=%p", __entry->list, __entry->bo) ); -DECLARE_EVENT_CLASS(amdgpu_fence_request, - - TP_PROTO(struct drm_device *dev, int ring, u32 seqno), - - TP_ARGS(dev, ring, seqno), - - TP_STRUCT__entry( - __field(u32, dev) - __field(int, ring) - __field(u32, seqno) - ), - - TP_fast_assign( - __entry->dev = dev->primary->index; - __entry->ring = ring; - __entry->seqno = seqno; - ), - - TP_printk("dev=%u, ring=%d, seqno=%u", - __entry->dev, __entry->ring, __entry->seqno) -); - -DEFINE_EVENT(amdgpu_fence_request, amdgpu_fence_emit, - - TP_PROTO(struct drm_device *dev, int ring, u32 seqno), - - TP_ARGS(dev, ring, seqno) -); - -DEFINE_EVENT(amdgpu_fence_request, amdgpu_fence_wait_begin, - - TP_PROTO(struct drm_device *dev, int ring, u32 seqno), - - TP_ARGS(dev, ring, seqno) -); - -DEFINE_EVENT(amdgpu_fence_request, amdgpu_fence_wait_end, - - TP_PROTO(struct drm_device *dev, int ring, u32 seqno), - - TP_ARGS(dev, ring, seqno) -); - DECLARE_EVENT_CLASS(amdgpu_semaphore_request, TP_PROTO(int ring, struct amdgpu_semaphore *sem), diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 81bb8e9fc26d..8a1752ff3d8e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -587,9 +587,13 @@ static int amdgpu_ttm_backend_bind(struct ttm_tt *ttm, uint32_t flags = amdgpu_ttm_tt_pte_flags(gtt->adev, ttm, bo_mem); int r; - if (gtt->userptr) - amdgpu_ttm_tt_pin_userptr(ttm); - + if (gtt->userptr) { + r = amdgpu_ttm_tt_pin_userptr(ttm); + if (r) { + DRM_ERROR("failed to pin userptr\n"); + return r; + } + } gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT); if (!ttm->num_pages) { WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n", @@ -797,11 +801,12 @@ uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, if (mem && mem->mem_type != TTM_PL_SYSTEM) flags |= AMDGPU_PTE_VALID; - if (mem && mem->mem_type == TTM_PL_TT) + if (mem && mem->mem_type == TTM_PL_TT) { flags |= AMDGPU_PTE_SYSTEM; - if (!ttm || ttm->caching_state == tt_cached) - flags |= AMDGPU_PTE_SNOOPED; + if (ttm->caching_state == tt_cached) + flags |= AMDGPU_PTE_SNOOPED; + } if (adev->asic_type >= CHIP_TOPAZ) flags |= AMDGPU_PTE_EXECUTABLE; @@ -1073,10 +1078,10 @@ static int amdgpu_mm_dump_table(struct seq_file *m, void *data) ret = drm_mm_dump_table(m, mm); spin_unlock(&glob->lru_lock); if (ttm_pl == TTM_PL_VRAM) - seq_printf(m, "man size:%llu pages, ram usage:%luMB, vis usage:%luMB\n", + seq_printf(m, "man size:%llu pages, ram usage:%lluMB, vis usage:%lluMB\n", adev->mman.bdev.man[ttm_pl].size, - atomic64_read(&adev->vram_usage) >> 20, - atomic64_read(&adev->vram_vis_usage) >> 20); + (u64)atomic64_read(&adev->vram_usage) >> 20, + (u64)atomic64_read(&adev->vram_vis_usage) >> 20); return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index 03f0c3bae516..a745eeeb5d82 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -392,7 +392,10 @@ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */ ib->ptr[ib->length_dw++] = handle; - ib->ptr[ib->length_dw++] = 0x00000030; /* len */ + if ((ring->adev->vce.fw_version >> 24) >= 52) + ib->ptr[ib->length_dw++] = 0x00000040; /* len */ + else + ib->ptr[ib->length_dw++] = 0x00000030; /* len */ ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */ ib->ptr[ib->length_dw++] = 0x00000000; ib->ptr[ib->length_dw++] = 0x00000042; @@ -404,6 +407,12 @@ int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, ib->ptr[ib->length_dw++] = 0x00000100; ib->ptr[ib->length_dw++] = 0x0000000c; ib->ptr[ib->length_dw++] = 0x00000000; + if ((ring->adev->vce.fw_version >> 24) >= 52) { + ib->ptr[ib->length_dw++] = 0x00000000; + ib->ptr[ib->length_dw++] = 0x00000000; + ib->ptr[ib->length_dw++] = 0x00000000; + ib->ptr[ib->length_dw++] = 0x00000000; + } ib->ptr[ib->length_dw++] = 0x00000014; /* len */ ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 633a32a48560..b53d273eb7a1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -143,10 +143,15 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, unsigned i; /* check if the id is still valid */ - if (vm_id->id && vm_id->last_id_use && - vm_id->last_id_use == adev->vm_manager.active[vm_id->id]) { - trace_amdgpu_vm_grab_id(vm_id->id, ring->idx); - return 0; + if (vm_id->id) { + unsigned id = vm_id->id; + long owner; + + owner = atomic_long_read(&adev->vm_manager.ids[id].owner); + if (owner == (long)vm) { + trace_amdgpu_vm_grab_id(vm_id->id, ring->idx); + return 0; + } } /* we definately need to flush */ @@ -154,7 +159,7 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, /* skip over VMID 0, since it is the system VM */ for (i = 1; i < adev->vm_manager.nvm; ++i) { - struct fence *fence = adev->vm_manager.active[i]; + struct fence *fence = adev->vm_manager.ids[i].active; struct amdgpu_ring *fring; if (fence == NULL) { @@ -176,7 +181,7 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, if (choices[i]) { struct fence *fence; - fence = adev->vm_manager.active[choices[i]]; + fence = adev->vm_manager.ids[choices[i]].active; vm_id->id = choices[i]; trace_amdgpu_vm_grab_id(choices[i], ring->idx); @@ -207,24 +212,21 @@ void amdgpu_vm_flush(struct amdgpu_ring *ring, uint64_t pd_addr = amdgpu_bo_gpu_offset(vm->page_directory); struct amdgpu_vm_id *vm_id = &vm->ids[ring->idx]; struct fence *flushed_updates = vm_id->flushed_updates; - bool is_earlier = false; + bool is_later; - if (flushed_updates && updates) { - BUG_ON(flushed_updates->context != updates->context); - is_earlier = (updates->seqno - flushed_updates->seqno <= - INT_MAX) ? true : false; - } - - if (pd_addr != vm_id->pd_gpu_addr || !flushed_updates || - is_earlier) { + if (!flushed_updates) + is_later = true; + else if (!updates) + is_later = false; + else + is_later = fence_is_later(updates, flushed_updates); + if (pd_addr != vm_id->pd_gpu_addr || is_later) { trace_amdgpu_vm_flush(pd_addr, ring->idx, vm_id->id); - if (is_earlier) { + if (is_later) { vm_id->flushed_updates = fence_get(updates); fence_put(flushed_updates); } - if (!flushed_updates) - vm_id->flushed_updates = fence_get(updates); vm_id->pd_gpu_addr = pd_addr; amdgpu_ring_emit_vm_flush(ring, vm_id->id, vm_id->pd_gpu_addr); } @@ -244,16 +246,14 @@ void amdgpu_vm_flush(struct amdgpu_ring *ring, */ void amdgpu_vm_fence(struct amdgpu_device *adev, struct amdgpu_vm *vm, - struct amdgpu_fence *fence) + struct fence *fence) { - unsigned ridx = fence->ring->idx; - unsigned vm_id = vm->ids[ridx].id; - - fence_put(adev->vm_manager.active[vm_id]); - adev->vm_manager.active[vm_id] = fence_get(&fence->base); + struct amdgpu_ring *ring = amdgpu_ring_from_fence(fence); + unsigned vm_id = vm->ids[ring->idx].id; - fence_put(vm->ids[ridx].last_id_use); - vm->ids[ridx].last_id_use = fence_get(&fence->base); + fence_put(adev->vm_manager.ids[vm_id].active); + adev->vm_manager.ids[vm_id].active = fence_get(fence); + atomic_long_set(&adev->vm_manager.ids[vm_id].owner, (long)vm); } /** @@ -332,6 +332,8 @@ int amdgpu_vm_free_job(struct amdgpu_job *job) * * @adev: amdgpu_device pointer * @bo: bo to clear + * + * need to reserve bo first before calling it. */ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, struct amdgpu_bo *bo) @@ -343,24 +345,20 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, uint64_t addr; int r; - r = amdgpu_bo_reserve(bo, false); - if (r) - return r; - r = reservation_object_reserve_shared(bo->tbo.resv); if (r) return r; r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false); if (r) - goto error_unreserve; + goto error; addr = amdgpu_bo_gpu_offset(bo); entries = amdgpu_bo_size(bo) / 8; ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL); if (!ib) - goto error_unreserve; + goto error; r = amdgpu_ib_get(ring, NULL, entries * 2 + 64, ib); if (r) @@ -378,16 +376,14 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, if (!r) amdgpu_bo_fence(bo, fence, true); fence_put(fence); - if (amdgpu_enable_scheduler) { - amdgpu_bo_unreserve(bo); + if (amdgpu_enable_scheduler) return 0; - } + error_free: amdgpu_ib_free(adev, ib); kfree(ib); -error_unreserve: - amdgpu_bo_unreserve(bo); +error: return r; } @@ -889,17 +885,21 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev, struct amdgpu_bo_va_mapping *mapping; int r; + spin_lock(&vm->freed_lock); while (!list_empty(&vm->freed)) { mapping = list_first_entry(&vm->freed, struct amdgpu_bo_va_mapping, list); list_del(&mapping->list); - + spin_unlock(&vm->freed_lock); r = amdgpu_vm_bo_update_mapping(adev, vm, mapping, 0, 0, NULL); kfree(mapping); if (r) return r; + spin_lock(&vm->freed_lock); } + spin_unlock(&vm->freed_lock); + return 0; } @@ -926,8 +926,9 @@ int amdgpu_vm_clear_invalids(struct amdgpu_device *adev, bo_va = list_first_entry(&vm->invalidated, struct amdgpu_bo_va, vm_status); spin_unlock(&vm->status_lock); - + mutex_lock(&bo_va->mutex); r = amdgpu_vm_bo_update(adev, bo_va, NULL); + mutex_unlock(&bo_va->mutex); if (r) return r; @@ -971,7 +972,7 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, INIT_LIST_HEAD(&bo_va->valids); INIT_LIST_HEAD(&bo_va->invalids); INIT_LIST_HEAD(&bo_va->vm_status); - + mutex_init(&bo_va->mutex); list_add_tail(&bo_va->bo_list, &bo->va); return bo_va; @@ -989,7 +990,7 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, * Add a mapping of the BO at the specefied addr into the VM. * Returns 0 for success, error for failure. * - * Object has to be reserved and gets unreserved by this function! + * Object has to be reserved and unreserved outside! */ int amdgpu_vm_bo_map(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, @@ -1005,30 +1006,27 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, /* validate the parameters */ if (saddr & AMDGPU_GPU_PAGE_MASK || offset & AMDGPU_GPU_PAGE_MASK || - size == 0 || size & AMDGPU_GPU_PAGE_MASK) { - amdgpu_bo_unreserve(bo_va->bo); + size == 0 || size & AMDGPU_GPU_PAGE_MASK) return -EINVAL; - } /* make sure object fit at this offset */ eaddr = saddr + size; - if ((saddr >= eaddr) || (offset + size > amdgpu_bo_size(bo_va->bo))) { - amdgpu_bo_unreserve(bo_va->bo); + if ((saddr >= eaddr) || (offset + size > amdgpu_bo_size(bo_va->bo))) return -EINVAL; - } last_pfn = eaddr / AMDGPU_GPU_PAGE_SIZE; if (last_pfn > adev->vm_manager.max_pfn) { dev_err(adev->dev, "va above limit (0x%08X > 0x%08X)\n", last_pfn, adev->vm_manager.max_pfn); - amdgpu_bo_unreserve(bo_va->bo); return -EINVAL; } saddr /= AMDGPU_GPU_PAGE_SIZE; eaddr /= AMDGPU_GPU_PAGE_SIZE; + spin_lock(&vm->it_lock); it = interval_tree_iter_first(&vm->va, saddr, eaddr - 1); + spin_unlock(&vm->it_lock); if (it) { struct amdgpu_bo_va_mapping *tmp; tmp = container_of(it, struct amdgpu_bo_va_mapping, it); @@ -1036,14 +1034,12 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, dev_err(adev->dev, "bo %p va 0x%010Lx-0x%010Lx conflict with " "0x%010lx-0x%010lx\n", bo_va->bo, saddr, eaddr, tmp->it.start, tmp->it.last + 1); - amdgpu_bo_unreserve(bo_va->bo); r = -EINVAL; goto error; } mapping = kmalloc(sizeof(*mapping), GFP_KERNEL); if (!mapping) { - amdgpu_bo_unreserve(bo_va->bo); r = -ENOMEM; goto error; } @@ -1054,8 +1050,12 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, mapping->offset = offset; mapping->flags = flags; + mutex_lock(&bo_va->mutex); list_add(&mapping->list, &bo_va->invalids); + mutex_unlock(&bo_va->mutex); + spin_lock(&vm->it_lock); interval_tree_insert(&mapping->it, &vm->va); + spin_unlock(&vm->it_lock); trace_amdgpu_vm_bo_map(bo_va, mapping); /* Make sure the page tables are allocated */ @@ -1067,8 +1067,6 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, if (eaddr > vm->max_pde_used) vm->max_pde_used = eaddr; - amdgpu_bo_unreserve(bo_va->bo); - /* walk over the address space and allocate the page tables */ for (pt_idx = saddr; pt_idx <= eaddr; ++pt_idx) { struct reservation_object *resv = vm->page_directory->tbo.resv; @@ -1077,16 +1075,19 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, if (vm->page_tables[pt_idx].bo) continue; - ww_mutex_lock(&resv->lock, NULL); r = amdgpu_bo_create(adev, AMDGPU_VM_PTE_COUNT * 8, AMDGPU_GPU_PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_NO_CPU_ACCESS, NULL, resv, &pt); - ww_mutex_unlock(&resv->lock); if (r) goto error_free; + /* Keep a reference to the page table to avoid freeing + * them up in the wrong order. + */ + pt->parent = amdgpu_bo_ref(vm->page_directory); + r = amdgpu_vm_clear_bo(adev, pt); if (r) { amdgpu_bo_unref(&pt); @@ -1101,7 +1102,9 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, error_free: list_del(&mapping->list); + spin_lock(&vm->it_lock); interval_tree_remove(&mapping->it, &vm->va); + spin_unlock(&vm->it_lock); trace_amdgpu_vm_bo_unmap(bo_va, mapping); kfree(mapping); @@ -1119,7 +1122,7 @@ error: * Remove a mapping of the BO at the specefied addr from the VM. * Returns 0 for success, error for failure. * - * Object has to be reserved and gets unreserved by this function! + * Object has to be reserved and unreserved outside! */ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, @@ -1130,7 +1133,7 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, bool valid = true; saddr /= AMDGPU_GPU_PAGE_SIZE; - + mutex_lock(&bo_va->mutex); list_for_each_entry(mapping, &bo_va->valids, list) { if (mapping->it.start == saddr) break; @@ -1145,20 +1148,24 @@ int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, } if (&mapping->list == &bo_va->invalids) { - amdgpu_bo_unreserve(bo_va->bo); + mutex_unlock(&bo_va->mutex); return -ENOENT; } } - + mutex_unlock(&bo_va->mutex); list_del(&mapping->list); + spin_lock(&vm->it_lock); interval_tree_remove(&mapping->it, &vm->va); + spin_unlock(&vm->it_lock); trace_amdgpu_vm_bo_unmap(bo_va, mapping); - if (valid) + if (valid) { + spin_lock(&vm->freed_lock); list_add(&mapping->list, &vm->freed); - else + spin_unlock(&vm->freed_lock); + } else { kfree(mapping); - amdgpu_bo_unreserve(bo_va->bo); + } return 0; } @@ -1187,17 +1194,23 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, list_for_each_entry_safe(mapping, next, &bo_va->valids, list) { list_del(&mapping->list); + spin_lock(&vm->it_lock); interval_tree_remove(&mapping->it, &vm->va); + spin_unlock(&vm->it_lock); trace_amdgpu_vm_bo_unmap(bo_va, mapping); + spin_lock(&vm->freed_lock); list_add(&mapping->list, &vm->freed); + spin_unlock(&vm->freed_lock); } list_for_each_entry_safe(mapping, next, &bo_va->invalids, list) { list_del(&mapping->list); + spin_lock(&vm->it_lock); interval_tree_remove(&mapping->it, &vm->va); + spin_unlock(&vm->it_lock); kfree(mapping); } - fence_put(bo_va->last_pt_update); + mutex_destroy(&bo_va->mutex); kfree(bo_va); } @@ -1241,15 +1254,14 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm) for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { vm->ids[i].id = 0; vm->ids[i].flushed_updates = NULL; - vm->ids[i].last_id_use = NULL; } - mutex_init(&vm->mutex); vm->va = RB_ROOT; spin_lock_init(&vm->status_lock); INIT_LIST_HEAD(&vm->invalidated); INIT_LIST_HEAD(&vm->cleared); INIT_LIST_HEAD(&vm->freed); - + spin_lock_init(&vm->it_lock); + spin_lock_init(&vm->freed_lock); pd_size = amdgpu_vm_directory_size(adev); pd_entries = amdgpu_vm_num_pdes(adev); @@ -1269,8 +1281,14 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm) NULL, NULL, &vm->page_directory); if (r) return r; - + r = amdgpu_bo_reserve(vm->page_directory, false); + if (r) { + amdgpu_bo_unref(&vm->page_directory); + vm->page_directory = NULL; + return r; + } r = amdgpu_vm_clear_bo(adev, vm->page_directory); + amdgpu_bo_unreserve(vm->page_directory); if (r) { amdgpu_bo_unref(&vm->page_directory); vm->page_directory = NULL; @@ -1313,11 +1331,27 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) amdgpu_bo_unref(&vm->page_directory); fence_put(vm->page_directory_fence); - for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { + unsigned id = vm->ids[i].id; + + atomic_long_cmpxchg(&adev->vm_manager.ids[id].owner, + (long)vm, 0); fence_put(vm->ids[i].flushed_updates); - fence_put(vm->ids[i].last_id_use); } - mutex_destroy(&vm->mutex); +} + +/** + * amdgpu_vm_manager_fini - cleanup VM manager + * + * @adev: amdgpu_device pointer + * + * Cleanup the VM manager and free resources. + */ +void amdgpu_vm_manager_fini(struct amdgpu_device *adev) +{ + unsigned i; + + for (i = 0; i < AMDGPU_NUM_VM; ++i) + fence_put(adev->vm_manager.ids[i].active); } diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index a1a35a5df8e7..57a2e347f04d 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -6569,12 +6569,12 @@ static int ci_dpm_set_interrupt_state(struct amdgpu_device *adev, switch (state) { case AMDGPU_IRQ_STATE_DISABLE: cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT); - cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; + cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; WREG32_SMC(ixCG_THERMAL_INT, cg_thermal_int); break; case AMDGPU_IRQ_STATE_ENABLE: cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT); - cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; + cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK; WREG32_SMC(ixCG_THERMAL_INT, cg_thermal_int); break; default: @@ -6586,12 +6586,12 @@ static int ci_dpm_set_interrupt_state(struct amdgpu_device *adev, switch (state) { case AMDGPU_IRQ_STATE_DISABLE: cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT); - cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; + cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; WREG32_SMC(ixCG_THERMAL_INT, cg_thermal_int); break; case AMDGPU_IRQ_STATE_ENABLE: cg_thermal_int = RREG32_SMC(ixCG_THERMAL_INT); - cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; + cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK; WREG32_SMC(ixCG_THERMAL_INT, cg_thermal_int); break; default: diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index cb0f7747e3dc..4dcc8fba5792 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -1250,7 +1250,7 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, u32 pixel_period; u32 line_time = 0; u32 latency_watermark_a = 0, latency_watermark_b = 0; - u32 tmp, wm_mask; + u32 tmp, wm_mask, lb_vblank_lead_lines = 0; if (amdgpu_crtc->base.enabled && num_heads && mode) { pixel_period = 1000000 / (u32)mode->clock; @@ -1333,6 +1333,7 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, (adev->mode_info.disp_priority == 2)) { DRM_DEBUG_KMS("force priority to high\n"); } + lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); } /* select wm A */ @@ -1357,6 +1358,8 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, amdgpu_crtc->line_time = line_time; amdgpu_crtc->wm_high = latency_watermark_a; amdgpu_crtc->wm_low = latency_watermark_b; + /* Save number of lines the linebuffer leads before the scanout */ + amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 5af3721851d6..8f1e51128b33 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -1238,7 +1238,7 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, u32 pixel_period; u32 line_time = 0; u32 latency_watermark_a = 0, latency_watermark_b = 0; - u32 tmp, wm_mask; + u32 tmp, wm_mask, lb_vblank_lead_lines = 0; if (amdgpu_crtc->base.enabled && num_heads && mode) { pixel_period = 1000000 / (u32)mode->clock; @@ -1321,6 +1321,7 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, (adev->mode_info.disp_priority == 2)) { DRM_DEBUG_KMS("force priority to high\n"); } + lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); } /* select wm A */ @@ -1345,6 +1346,8 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, amdgpu_crtc->line_time = line_time; amdgpu_crtc->wm_high = latency_watermark_a; amdgpu_crtc->wm_low = latency_watermark_b; + /* Save number of lines the linebuffer leads before the scanout */ + amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 4f7b49a6dc50..42d954dc436d 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -1193,7 +1193,7 @@ static void dce_v8_0_program_watermarks(struct amdgpu_device *adev, u32 pixel_period; u32 line_time = 0; u32 latency_watermark_a = 0, latency_watermark_b = 0; - u32 tmp, wm_mask; + u32 tmp, wm_mask, lb_vblank_lead_lines = 0; if (amdgpu_crtc->base.enabled && num_heads && mode) { pixel_period = 1000000 / (u32)mode->clock; @@ -1276,6 +1276,7 @@ static void dce_v8_0_program_watermarks(struct amdgpu_device *adev, (adev->mode_info.disp_priority == 2)) { DRM_DEBUG_KMS("force priority to high\n"); } + lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); } /* select wm A */ @@ -1302,6 +1303,8 @@ static void dce_v8_0_program_watermarks(struct amdgpu_device *adev, amdgpu_crtc->line_time = line_time; amdgpu_crtc->wm_high = latency_watermark_a; amdgpu_crtc->wm_low = latency_watermark_b; + /* Save number of lines the linebuffer leads before the scanout */ + amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 6776cf756d40..e1dcab98e249 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -268,7 +268,6 @@ static const u32 fiji_mgcg_cgcg_init[] = mmCGTT_CP_CLK_CTRL, 0xffffffff, 0x00000100, mmCGTT_CPC_CLK_CTRL, 0xffffffff, 0x00000100, mmCGTT_CPF_CLK_CTRL, 0xffffffff, 0x40000100, - mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100, mmCGTT_GDS_CLK_CTRL, 0xffffffff, 0x00000100, mmCGTT_IA_CLK_CTRL, 0xffffffff, 0x06000100, mmCGTT_PA_CLK_CTRL, 0xffffffff, 0x00000100, @@ -296,10 +295,6 @@ static const u32 fiji_mgcg_cgcg_init[] = mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96e00200, mmCP_RB_WPTR_POLL_CNTL, 0xffffffff, 0x00900100, mmRLC_CGCG_CGLS_CTRL, 0xffffffff, 0x0020003c, - mmPCIE_INDEX, 0xffffffff, 0x0140001c, - mmPCIE_DATA, 0x000f0000, 0x00000000, - mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100, - mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104, mmCP_MEM_SLP_CNTL, 0x00000001, 0x00000001, }; @@ -1000,7 +995,7 @@ static void gfx_v8_0_gpu_early_init(struct amdgpu_device *adev) adev->gfx.config.max_cu_per_sh = 16; adev->gfx.config.max_sh_per_se = 1; adev->gfx.config.max_backends_per_se = 4; - adev->gfx.config.max_texture_channel_caches = 8; + adev->gfx.config.max_texture_channel_caches = 16; adev->gfx.config.max_gprs = 256; adev->gfx.config.max_gs_threads = 32; adev->gfx.config.max_hw_contexts = 8; @@ -1613,6 +1608,296 @@ static void gfx_v8_0_tiling_mode_table_init(struct amdgpu_device *adev) WREG32(mmGB_MACROTILE_MODE0 + reg_offset, gb_tile_moden); } case CHIP_FIJI: + for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) { + switch (reg_offset) { + case 0: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING)); + break; + case 1: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING)); + break; + case 2: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING)); + break; + case 3: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING)); + break; + case 4: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + TILE_SPLIT(ADDR_SURF_TILE_SPLIT_2KB) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING)); + break; + case 5: + gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + TILE_SPLIT(ADDR_SURF_TILE_SPLIT_2KB) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING)); + break; + case 6: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + TILE_SPLIT(ADDR_SURF_TILE_SPLIT_2KB) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING)); + break; + case 7: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P4_16x16) | + TILE_SPLIT(ADDR_SURF_TILE_SPLIT_2KB) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DEPTH_MICRO_TILING)); + break; + case 8: + gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16)); + break; + case 9: + gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_2)); + break; + case 10: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_2)); + break; + case 11: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_8)); + break; + case 12: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P4_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_DISPLAY_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_8)); + break; + case 13: + gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_2)); + break; + case 14: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_2)); + break; + case 15: + gb_tile_moden = (ARRAY_MODE(ARRAY_3D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_2)); + break; + case 16: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_8)); + break; + case 17: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P4_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_8)); + break; + case 18: + gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THICK) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 19: + gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THICK) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THICK_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 20: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THICK) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THICK_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 21: + gb_tile_moden = (ARRAY_MODE(ARRAY_3D_TILED_THICK) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THICK_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 22: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THICK) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THICK_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 23: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THICK) | + PIPE_CONFIG(ADDR_SURF_P4_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THICK_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 24: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THICK) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THIN_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 25: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_XTHICK) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THICK_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 26: + gb_tile_moden = (ARRAY_MODE(ARRAY_3D_TILED_XTHICK) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_THICK_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_1)); + break; + case 27: + gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_2)); + break; + case 28: + gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_2)); + break; + case 29: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P16_32x32_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_8)); + break; + case 30: + gb_tile_moden = (ARRAY_MODE(ARRAY_PRT_TILED_THIN1) | + PIPE_CONFIG(ADDR_SURF_P4_16x16) | + MICRO_TILE_MODE_NEW(ADDR_SURF_ROTATED_MICRO_TILING) | + SAMPLE_SPLIT(ADDR_SURF_SAMPLE_SPLIT_8)); + break; + default: + gb_tile_moden = 0; + break; + } + adev->gfx.config.tile_mode_array[reg_offset] = gb_tile_moden; + WREG32(mmGB_TILE_MODE0 + reg_offset, gb_tile_moden); + } + for (reg_offset = 0; reg_offset < num_secondary_tile_mode_states; reg_offset++) { + switch (reg_offset) { + case 0: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 1: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 2: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 3: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 4: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 5: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 6: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 8: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_8) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 9: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 10: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 11: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 12: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 13: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2) | + NUM_BANKS(ADDR_SURF_8_BANK)); + break; + case 14: + gb_tile_moden = (BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) | + BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) | + MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1) | + NUM_BANKS(ADDR_SURF_4_BANK)); + break; + case 7: + /* unused idx */ + continue; + default: + gb_tile_moden = 0; + break; + } + adev->gfx.config.macrotile_mode_array[reg_offset] = gb_tile_moden; + WREG32(mmGB_MACROTILE_MODE0 + reg_offset, gb_tile_moden); + } + break; case CHIP_TONGA: for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) { switch (reg_offset) { @@ -2971,10 +3256,13 @@ static int gfx_v8_0_cp_gfx_start(struct amdgpu_device *adev) amdgpu_ring_write(ring, mmPA_SC_RASTER_CONFIG - PACKET3_SET_CONTEXT_REG_START); switch (adev->asic_type) { case CHIP_TONGA: - case CHIP_FIJI: amdgpu_ring_write(ring, 0x16000012); amdgpu_ring_write(ring, 0x0000002A); break; + case CHIP_FIJI: + amdgpu_ring_write(ring, 0x3a00161a); + amdgpu_ring_write(ring, 0x0000002e); + break; case CHIP_TOPAZ: case CHIP_CARRIZO: amdgpu_ring_write(ring, 0x00000002); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 85bbcdc73fff..ed8abb58a785 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -40,7 +40,7 @@ static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev); static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev); -MODULE_FIRMWARE("radeon/boniare_mc.bin"); +MODULE_FIRMWARE("radeon/bonaire_mc.bin"); MODULE_FIRMWARE("radeon/hawaii_mc.bin"); /** @@ -501,6 +501,7 @@ static int gmc_v7_0_gart_enable(struct amdgpu_device *adev) tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); WREG32(mmVM_L2_CNTL, tmp); tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); @@ -512,7 +513,7 @@ static int gmc_v7_0_gart_enable(struct amdgpu_device *adev) WREG32(mmVM_L2_CNTL3, tmp); /* setup context0 */ WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12); - WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, (adev->mc.gtt_end >> 12) - 1); + WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gtt_end >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(adev->dummy_page.addr >> 12)); @@ -960,12 +961,10 @@ static int gmc_v7_0_sw_init(void *handle) static int gmc_v7_0_sw_fini(void *handle) { - int i; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (adev->vm_manager.enabled) { - for (i = 0; i < AMDGPU_NUM_VM; ++i) - fence_put(adev->vm_manager.active[i]); + amdgpu_vm_manager_fini(adev); gmc_v7_0_vm_fini(adev); adev->vm_manager.enabled = false; } @@ -1010,12 +1009,10 @@ static int gmc_v7_0_hw_fini(void *handle) static int gmc_v7_0_suspend(void *handle) { - int i; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (adev->vm_manager.enabled) { - for (i = 0; i < AMDGPU_NUM_VM; ++i) - fence_put(adev->vm_manager.active[i]); + amdgpu_vm_manager_fini(adev); gmc_v7_0_vm_fini(adev); adev->vm_manager.enabled = false; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 1bcc4e74e3b4..d39028440814 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -629,6 +629,7 @@ static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); WREG32(mmVM_L2_CNTL, tmp); tmp = RREG32(mmVM_L2_CNTL2); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); @@ -656,7 +657,7 @@ static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) WREG32(mmVM_L2_CNTL4, tmp); /* setup context0 */ WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12); - WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, (adev->mc.gtt_end >> 12) - 1); + WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gtt_end >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(adev->dummy_page.addr >> 12)); @@ -979,12 +980,10 @@ static int gmc_v8_0_sw_init(void *handle) static int gmc_v8_0_sw_fini(void *handle) { - int i; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (adev->vm_manager.enabled) { - for (i = 0; i < AMDGPU_NUM_VM; ++i) - fence_put(adev->vm_manager.active[i]); + amdgpu_vm_manager_fini(adev); gmc_v8_0_vm_fini(adev); adev->vm_manager.enabled = false; } @@ -1031,12 +1030,10 @@ static int gmc_v8_0_hw_fini(void *handle) static int gmc_v8_0_suspend(void *handle) { - int i; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (adev->vm_manager.enabled) { - for (i = 0; i < AMDGPU_NUM_VM; ++i) - fence_put(adev->vm_manager.active[i]); + amdgpu_vm_manager_fini(adev); gmc_v8_0_vm_fini(adev); adev->vm_manager.enabled = false; } diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index 6a52db6ad8d7..370c6c9d81c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -40,6 +40,9 @@ #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT 0x04 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK 0x10 +#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR0 0x8616 +#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR1 0x8617 +#define mmVCE_LMI_VCPU_CACHE_40BIT_BAR2 0x8618 #define VCE_V3_0_FW_SIZE (384 * 1024) #define VCE_V3_0_STACK_SIZE (64 * 1024) @@ -130,9 +133,11 @@ static int vce_v3_0_start(struct amdgpu_device *adev) /* set BUSY flag */ WREG32_P(mmVCE_STATUS, 1, ~1); - - WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, - ~VCE_VCPU_CNTL__CLK_EN_MASK); + if (adev->asic_type >= CHIP_STONEY) + WREG32_P(mmVCE_VCPU_CNTL, 1, ~0x200001); + else + WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, + ~VCE_VCPU_CNTL__CLK_EN_MASK); WREG32_P(mmVCE_SOFT_RESET, VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, @@ -391,8 +396,12 @@ static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx) WREG32(mmVCE_LMI_SWAP_CNTL, 0); WREG32(mmVCE_LMI_SWAP_CNTL1, 0); WREG32(mmVCE_LMI_VM_CTRL, 0); - - WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8)); + if (adev->asic_type >= CHIP_STONEY) { + WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR0, (adev->vce.gpu_addr >> 8)); + WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR1, (adev->vce.gpu_addr >> 8)); + WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR2, (adev->vce.gpu_addr >> 8)); + } else + WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8)); offset = AMDGPU_VCE_FIRMWARE_OFFSET; size = VCE_V3_0_FW_SIZE; WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff); @@ -576,6 +585,11 @@ static int vce_v3_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_iv_entry *entry) { DRM_DEBUG("IH: VCE\n"); + + WREG32_P(mmVCE_SYS_INT_STATUS, + VCE_SYS_INT_STATUS__VCE_SYS_INT_TRAP_INTERRUPT_INT_MASK, + ~VCE_SYS_INT_STATUS__VCE_SYS_INT_TRAP_INTERRUPT_INT_MASK); + switch (entry->src_data) { case 0: amdgpu_fence_process(&adev->vce.ring[0]); diff --git a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h index 144f50acc971..c89dc777768f 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h @@ -16,6 +16,8 @@ TRACE_EVENT(amd_sched_job, TP_ARGS(sched_job), TP_STRUCT__entry( __field(struct amd_sched_entity *, entity) + __field(struct amd_sched_job *, sched_job) + __field(struct fence *, fence) __field(const char *, name) __field(u32, job_count) __field(int, hw_job_count) @@ -23,16 +25,32 @@ TRACE_EVENT(amd_sched_job, TP_fast_assign( __entry->entity = sched_job->s_entity; + __entry->sched_job = sched_job; + __entry->fence = &sched_job->s_fence->base; __entry->name = sched_job->sched->name; __entry->job_count = kfifo_len( &sched_job->s_entity->job_queue) / sizeof(sched_job); __entry->hw_job_count = atomic_read( &sched_job->sched->hw_rq_count); ), - TP_printk("entity=%p, ring=%s, job count:%u, hw job count:%d", - __entry->entity, __entry->name, __entry->job_count, - __entry->hw_job_count) + TP_printk("entity=%p, sched job=%p, fence=%p, ring=%s, job count:%u, hw job count:%d", + __entry->entity, __entry->sched_job, __entry->fence, __entry->name, + __entry->job_count, __entry->hw_job_count) ); + +TRACE_EVENT(amd_sched_process_job, + TP_PROTO(struct amd_sched_fence *fence), + TP_ARGS(fence), + TP_STRUCT__entry( + __field(struct fence *, fence) + ), + + TP_fast_assign( + __entry->fence = &fence->base; + ), + TP_printk("fence=%p signaled", __entry->fence) +); + #endif /* This part must be outside protection */ diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 89619a5a4289..3a4820e863ec 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -30,10 +30,12 @@ #define CREATE_TRACE_POINTS #include "gpu_sched_trace.h" -static struct amd_sched_job * -amd_sched_entity_pop_job(struct amd_sched_entity *entity); +static bool amd_sched_entity_is_ready(struct amd_sched_entity *entity); static void amd_sched_wakeup(struct amd_gpu_scheduler *sched); +struct kmem_cache *sched_fence_slab; +atomic_t sched_fence_slab_ref = ATOMIC_INIT(0); + /* Initialize a given run queue struct */ static void amd_sched_rq_init(struct amd_sched_rq *rq) { @@ -61,36 +63,36 @@ static void amd_sched_rq_remove_entity(struct amd_sched_rq *rq, } /** - * Select next job from a specified run queue with round robin policy. - * Return NULL if nothing available. + * Select an entity which could provide a job to run + * + * @rq The run queue to check. + * + * Try to find a ready entity, returns NULL if none found. */ -static struct amd_sched_job * -amd_sched_rq_select_job(struct amd_sched_rq *rq) +static struct amd_sched_entity * +amd_sched_rq_select_entity(struct amd_sched_rq *rq) { struct amd_sched_entity *entity; - struct amd_sched_job *sched_job; spin_lock(&rq->lock); entity = rq->current_entity; if (entity) { list_for_each_entry_continue(entity, &rq->entities, list) { - sched_job = amd_sched_entity_pop_job(entity); - if (sched_job) { + if (amd_sched_entity_is_ready(entity)) { rq->current_entity = entity; spin_unlock(&rq->lock); - return sched_job; + return entity; } } } list_for_each_entry(entity, &rq->entities, list) { - sched_job = amd_sched_entity_pop_job(entity); - if (sched_job) { + if (amd_sched_entity_is_ready(entity)) { rq->current_entity = entity; spin_unlock(&rq->lock); - return sched_job; + return entity; } if (entity == rq->current_entity) @@ -174,6 +176,24 @@ static bool amd_sched_entity_is_idle(struct amd_sched_entity *entity) } /** + * Check if entity is ready + * + * @entity The pointer to a valid scheduler entity + * + * Return true if entity could provide a job. + */ +static bool amd_sched_entity_is_ready(struct amd_sched_entity *entity) +{ + if (kfifo_is_empty(&entity->job_queue)) + return false; + + if (ACCESS_ONCE(entity->dependency)) + return false; + + return true; +} + +/** * Destroy a context entity * * @sched Pointer to scheduler instance @@ -208,32 +228,53 @@ static void amd_sched_entity_wakeup(struct fence *f, struct fence_cb *cb) amd_sched_wakeup(entity->sched); } +static bool amd_sched_entity_add_dependency_cb(struct amd_sched_entity *entity) +{ + struct amd_gpu_scheduler *sched = entity->sched; + struct fence * fence = entity->dependency; + struct amd_sched_fence *s_fence; + + if (fence->context == entity->fence_context) { + /* We can ignore fences from ourself */ + fence_put(entity->dependency); + return false; + } + + s_fence = to_amd_sched_fence(fence); + if (s_fence && s_fence->sched == sched) { + /* Fence is from the same scheduler */ + if (test_bit(AMD_SCHED_FENCE_SCHEDULED_BIT, &fence->flags)) { + /* Ignore it when it is already scheduled */ + fence_put(entity->dependency); + return false; + } + + /* Wait for fence to be scheduled */ + entity->cb.func = amd_sched_entity_wakeup; + list_add_tail(&entity->cb.node, &s_fence->scheduled_cb); + return true; + } + + if (!fence_add_callback(entity->dependency, &entity->cb, + amd_sched_entity_wakeup)) + return true; + + fence_put(entity->dependency); + return false; +} + static struct amd_sched_job * amd_sched_entity_pop_job(struct amd_sched_entity *entity) { struct amd_gpu_scheduler *sched = entity->sched; struct amd_sched_job *sched_job; - if (ACCESS_ONCE(entity->dependency)) - return NULL; - if (!kfifo_out_peek(&entity->job_queue, &sched_job, sizeof(sched_job))) return NULL; - while ((entity->dependency = sched->ops->dependency(sched_job))) { - - if (entity->dependency->context == entity->fence_context) { - /* We can ignore fences from ourself */ - fence_put(entity->dependency); - continue; - } - - if (fence_add_callback(entity->dependency, &entity->cb, - amd_sched_entity_wakeup)) - fence_put(entity->dependency); - else + while ((entity->dependency = sched->ops->dependency(sched_job))) + if (amd_sched_entity_add_dependency_cb(entity)) return NULL; - } return sched_job; } @@ -247,6 +288,7 @@ amd_sched_entity_pop_job(struct amd_sched_entity *entity) */ static bool amd_sched_entity_in(struct amd_sched_job *sched_job) { + struct amd_gpu_scheduler *sched = sched_job->sched; struct amd_sched_entity *entity = sched_job->s_entity; bool added, first = false; @@ -261,7 +303,7 @@ static bool amd_sched_entity_in(struct amd_sched_job *sched_job) /* first job wakes up scheduler */ if (first) - amd_sched_wakeup(sched_job->sched); + amd_sched_wakeup(sched); return added; } @@ -273,22 +315,13 @@ static bool amd_sched_entity_in(struct amd_sched_job *sched_job) * * Returns 0 for success, negative error code otherwise. */ -int amd_sched_entity_push_job(struct amd_sched_job *sched_job) +void amd_sched_entity_push_job(struct amd_sched_job *sched_job) { struct amd_sched_entity *entity = sched_job->s_entity; - struct amd_sched_fence *fence = amd_sched_fence_create( - entity, sched_job->owner); - - if (!fence) - return -ENOMEM; - - fence_get(&fence->base); - sched_job->s_fence = fence; + trace_amd_sched_job(sched_job); wait_event(entity->sched->job_scheduled, amd_sched_entity_in(sched_job)); - trace_amd_sched_job(sched_job); - return 0; } /** @@ -310,22 +343,22 @@ static void amd_sched_wakeup(struct amd_gpu_scheduler *sched) } /** - * Select next to run + * Select next entity to process */ -static struct amd_sched_job * -amd_sched_select_job(struct amd_gpu_scheduler *sched) +static struct amd_sched_entity * +amd_sched_select_entity(struct amd_gpu_scheduler *sched) { - struct amd_sched_job *sched_job; + struct amd_sched_entity *entity; if (!amd_sched_ready(sched)) return NULL; /* Kernel run queue has higher priority than normal run queue*/ - sched_job = amd_sched_rq_select_job(&sched->kernel_rq); - if (sched_job == NULL) - sched_job = amd_sched_rq_select_job(&sched->sched_rq); + entity = amd_sched_rq_select_entity(&sched->kernel_rq); + if (entity == NULL) + entity = amd_sched_rq_select_entity(&sched->sched_rq); - return sched_job; + return entity; } static void amd_sched_process_job(struct fence *f, struct fence_cb *cb) @@ -343,6 +376,7 @@ static void amd_sched_process_job(struct fence *f, struct fence_cb *cb) list_del_init(&s_fence->list); spin_unlock_irqrestore(&sched->fence_list_lock, flags); } + trace_amd_sched_process_job(s_fence); fence_put(&s_fence->base); wake_up_interruptible(&sched->wake_up_worker); } @@ -386,13 +420,16 @@ static int amd_sched_main(void *param) unsigned long flags; wait_event_interruptible(sched->wake_up_worker, - kthread_should_stop() || - (sched_job = amd_sched_select_job(sched))); + (entity = amd_sched_select_entity(sched)) || + kthread_should_stop()); + if (!entity) + continue; + + sched_job = amd_sched_entity_pop_job(entity); if (!sched_job) continue; - entity = sched_job->s_entity; s_fence = sched_job->s_fence; if (sched->timeout != MAX_SCHEDULE_TIMEOUT) { @@ -405,6 +442,7 @@ static int amd_sched_main(void *param) atomic_inc(&sched->hw_rq_count); fence = sched->ops->run_job(sched_job); + amd_sched_fence_scheduled(s_fence); if (fence) { r = fence_add_callback(fence, &s_fence->cb, amd_sched_process_job); @@ -450,6 +488,13 @@ int amd_sched_init(struct amd_gpu_scheduler *sched, init_waitqueue_head(&sched->wake_up_worker); init_waitqueue_head(&sched->job_scheduled); atomic_set(&sched->hw_rq_count, 0); + if (atomic_inc_return(&sched_fence_slab_ref) == 1) { + sched_fence_slab = kmem_cache_create( + "amd_sched_fence", sizeof(struct amd_sched_fence), 0, + SLAB_HWCACHE_ALIGN, NULL); + if (!sched_fence_slab) + return -ENOMEM; + } /* Each scheduler will run on a seperate kernel thread */ sched->thread = kthread_run(amd_sched_main, sched, sched->name); @@ -470,4 +515,6 @@ void amd_sched_fini(struct amd_gpu_scheduler *sched) { if (sched->thread) kthread_stop(sched->thread); + if (atomic_dec_and_test(&sched_fence_slab_ref)) + kmem_cache_destroy(sched_fence_slab); } diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index 929e9aced041..a0f0ae53aacd 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -27,9 +27,14 @@ #include <linux/kfifo.h> #include <linux/fence.h> +#define AMD_SCHED_FENCE_SCHEDULED_BIT FENCE_FLAG_USER_BITS + struct amd_gpu_scheduler; struct amd_sched_rq; +extern struct kmem_cache *sched_fence_slab; +extern atomic_t sched_fence_slab_ref; + /** * A scheduler entity is a wrapper around a job queue or a group * of other entities. Entities take turns emitting jobs from their @@ -65,6 +70,7 @@ struct amd_sched_rq { struct amd_sched_fence { struct fence base; struct fence_cb cb; + struct list_head scheduled_cb; struct amd_gpu_scheduler *sched; spinlock_t lock; void *owner; @@ -76,7 +82,6 @@ struct amd_sched_job { struct amd_gpu_scheduler *sched; struct amd_sched_entity *s_entity; struct amd_sched_fence *s_fence; - void *owner; }; extern const struct fence_ops amd_sched_fence_ops; @@ -128,11 +133,11 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched, uint32_t jobs); void amd_sched_entity_fini(struct amd_gpu_scheduler *sched, struct amd_sched_entity *entity); -int amd_sched_entity_push_job(struct amd_sched_job *sched_job); +void amd_sched_entity_push_job(struct amd_sched_job *sched_job); struct amd_sched_fence *amd_sched_fence_create( struct amd_sched_entity *s_entity, void *owner); +void amd_sched_fence_scheduled(struct amd_sched_fence *fence); void amd_sched_fence_signal(struct amd_sched_fence *fence); - #endif diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c index d802638094f4..87c78eecea64 100644 --- a/drivers/gpu/drm/amd/scheduler/sched_fence.c +++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c @@ -32,9 +32,11 @@ struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *s_entity struct amd_sched_fence *fence = NULL; unsigned seq; - fence = kzalloc(sizeof(struct amd_sched_fence), GFP_KERNEL); + fence = kmem_cache_zalloc(sched_fence_slab, GFP_KERNEL); if (fence == NULL) return NULL; + + INIT_LIST_HEAD(&fence->scheduled_cb); fence->owner = owner; fence->sched = s_entity->sched; spin_lock_init(&fence->lock); @@ -55,6 +57,17 @@ void amd_sched_fence_signal(struct amd_sched_fence *fence) FENCE_TRACE(&fence->base, "was already signaled\n"); } +void amd_sched_fence_scheduled(struct amd_sched_fence *s_fence) +{ + struct fence_cb *cur, *tmp; + + set_bit(AMD_SCHED_FENCE_SCHEDULED_BIT, &s_fence->base.flags); + list_for_each_entry_safe(cur, tmp, &s_fence->scheduled_cb, node) { + list_del_init(&cur->node); + cur->func(&s_fence->base, cur); + } +} + static const char *amd_sched_fence_get_driver_name(struct fence *fence) { return "amd_sched"; @@ -71,11 +84,17 @@ static bool amd_sched_fence_enable_signaling(struct fence *f) return true; } +static void amd_sched_fence_release(struct fence *f) +{ + struct amd_sched_fence *fence = to_amd_sched_fence(f); + kmem_cache_free(sched_fence_slab, fence); +} + const struct fence_ops amd_sched_fence_ops = { .get_driver_name = amd_sched_fence_get_driver_name, .get_timeline_name = amd_sched_fence_get_timeline_name, .enable_signaling = amd_sched_fence_enable_signaling, .signaled = NULL, .wait = fence_default_wait, - .release = NULL, + .release = amd_sched_fence_release, }; diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 7bb3845d9974..aeee083c7f95 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1432,6 +1432,45 @@ static int atomic_set_prop(struct drm_atomic_state *state, return ret; } +/** + * drm_atomic_update_old_fb -- Unset old_fb pointers and set plane->fb pointers. + * + * @dev: drm device to check. + * @plane_mask: plane mask for planes that were updated. + * @ret: return value, can be -EDEADLK for a retry. + * + * Before doing an update plane->old_fb is set to plane->fb, + * but before dropping the locks old_fb needs to be set to NULL + * and plane->fb updated. This is a common operation for each + * atomic update, so this call is split off as a helper. + */ +void drm_atomic_clean_old_fb(struct drm_device *dev, + unsigned plane_mask, + int ret) +{ + struct drm_plane *plane; + + /* if succeeded, fixup legacy plane crtc/fb ptrs before dropping + * locks (ie. while it is still safe to deref plane->state). We + * need to do this here because the driver entry points cannot + * distinguish between legacy and atomic ioctls. + */ + drm_for_each_plane_mask(plane, dev, plane_mask) { + if (ret == 0) { + struct drm_framebuffer *new_fb = plane->state->fb; + if (new_fb) + drm_framebuffer_reference(new_fb); + plane->fb = new_fb; + plane->crtc = plane->state->crtc; + + if (plane->old_fb) + drm_framebuffer_unreference(plane->old_fb); + } + plane->old_fb = NULL; + } +} +EXPORT_SYMBOL(drm_atomic_clean_old_fb); + int drm_mode_atomic_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -1446,7 +1485,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, struct drm_plane *plane; struct drm_crtc *crtc; struct drm_crtc_state *crtc_state; - unsigned plane_mask = 0; + unsigned plane_mask; int ret = 0; unsigned int i, j; @@ -1486,6 +1525,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, state->allow_modeset = !!(arg->flags & DRM_MODE_ATOMIC_ALLOW_MODESET); retry: + plane_mask = 0; copied_objs = 0; copied_props = 0; @@ -1576,24 +1616,7 @@ retry: } out: - /* if succeeded, fixup legacy plane crtc/fb ptrs before dropping - * locks (ie. while it is still safe to deref plane->state). We - * need to do this here because the driver entry points cannot - * distinguish between legacy and atomic ioctls. - */ - drm_for_each_plane_mask(plane, dev, plane_mask) { - if (ret == 0) { - struct drm_framebuffer *new_fb = plane->state->fb; - if (new_fb) - drm_framebuffer_reference(new_fb); - plane->fb = new_fb; - plane->crtc = plane->state->crtc; - - if (plane->old_fb) - drm_framebuffer_unreference(plane->old_fb); - } - plane->old_fb = NULL; - } + drm_atomic_clean_old_fb(dev, plane_mask, ret); if (ret && arg->flags & DRM_MODE_PAGE_FLIP_EVENT) { /* diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 0c6f62168776..e5aec45bf985 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -210,6 +210,14 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) return -EINVAL; } + if (!drm_encoder_crtc_ok(new_encoder, connector_state->crtc)) { + DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] incompatible with [CRTC:%d]\n", + new_encoder->base.id, + new_encoder->name, + connector_state->crtc->base.id); + return -EINVAL; + } + if (new_encoder == connector_state->best_encoder) { DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] keeps [ENCODER:%d:%s], now on [CRTC:%d]\n", connector->base.id, @@ -1553,6 +1561,9 @@ retry: goto fail; } + if (plane_state->crtc && (plane == plane->crtc->cursor)) + plane_state->state->legacy_cursor_update = true; + ret = __drm_atomic_helper_disable_plane(plane, plane_state); if (ret != 0) goto fail; @@ -1605,9 +1616,6 @@ int __drm_atomic_helper_disable_plane(struct drm_plane *plane, plane_state->src_h = 0; plane_state->src_w = 0; - if (plane->crtc && (plane == plane->crtc->cursor)) - plane_state->state->legacy_cursor_update = true; - return 0; } @@ -1741,6 +1749,7 @@ int __drm_atomic_helper_set_config(struct drm_mode_set *set, struct drm_crtc_state *crtc_state; struct drm_plane_state *primary_state; struct drm_crtc *crtc = set->crtc; + int hdisplay, vdisplay; int ret; crtc_state = drm_atomic_get_crtc_state(state, crtc); @@ -1783,19 +1792,21 @@ int __drm_atomic_helper_set_config(struct drm_mode_set *set, if (ret != 0) return ret; + drm_crtc_get_hv_timing(set->mode, &hdisplay, &vdisplay); + drm_atomic_set_fb_for_plane(primary_state, set->fb); primary_state->crtc_x = 0; primary_state->crtc_y = 0; - primary_state->crtc_h = set->mode->vdisplay; - primary_state->crtc_w = set->mode->hdisplay; + primary_state->crtc_h = vdisplay; + primary_state->crtc_w = hdisplay; primary_state->src_x = set->x << 16; primary_state->src_y = set->y << 16; if (primary_state->rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))) { - primary_state->src_h = set->mode->hdisplay << 16; - primary_state->src_w = set->mode->vdisplay << 16; + primary_state->src_h = hdisplay << 16; + primary_state->src_w = vdisplay << 16; } else { - primary_state->src_h = set->mode->vdisplay << 16; - primary_state->src_w = set->mode->hdisplay << 16; + primary_state->src_h = vdisplay << 16; + primary_state->src_w = hdisplay << 16; } commit: diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 9362609df38a..7dd6728dd092 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -160,6 +160,11 @@ int drm_setmaster_ioctl(struct drm_device *dev, void *data, goto out_unlock; } + if (!file_priv->allowed_master) { + ret = drm_new_set_master(dev, file_priv); + goto out_unlock; + } + file_priv->minor->master = drm_master_get(file_priv->master); file_priv->is_master = 1; if (dev->driver->master_set) { diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index e673c13c7391..69cbab5e5c81 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -342,6 +342,7 @@ static int restore_fbdev_mode_atomic(struct drm_fb_helper *fb_helper) struct drm_plane *plane; struct drm_atomic_state *state; int i, ret; + unsigned plane_mask; state = drm_atomic_state_alloc(dev); if (!state) @@ -349,11 +350,10 @@ static int restore_fbdev_mode_atomic(struct drm_fb_helper *fb_helper) state->acquire_ctx = dev->mode_config.acquire_ctx; retry: + plane_mask = 0; drm_for_each_plane(plane, dev) { struct drm_plane_state *plane_state; - plane->old_fb = plane->fb; - plane_state = drm_atomic_get_plane_state(state, plane); if (IS_ERR(plane_state)) { ret = PTR_ERR(plane_state); @@ -362,6 +362,9 @@ retry: plane_state->rotation = BIT(DRM_ROTATE_0); + plane->old_fb = plane->fb; + plane_mask |= 1 << drm_plane_index(plane); + /* disable non-primary: */ if (plane->type == DRM_PLANE_TYPE_PRIMARY) continue; @@ -382,19 +385,7 @@ retry: ret = drm_atomic_commit(state); fail: - drm_for_each_plane(plane, dev) { - if (ret == 0) { - struct drm_framebuffer *new_fb = plane->state->fb; - if (new_fb) - drm_framebuffer_reference(new_fb); - plane->fb = new_fb; - plane->crtc = plane->state->crtc; - - if (plane->old_fb) - drm_framebuffer_unreference(plane->old_fb); - } - plane->old_fb = NULL; - } + drm_atomic_clean_old_fb(dev, plane_mask, ret); if (ret == -EDEADLK) goto backoff; @@ -1236,7 +1227,9 @@ static int pan_display_atomic(struct fb_var_screeninfo *var, struct drm_fb_helper *fb_helper = info->par; struct drm_device *dev = fb_helper->dev; struct drm_atomic_state *state; + struct drm_plane *plane; int i, ret; + unsigned plane_mask; state = drm_atomic_state_alloc(dev); if (!state) @@ -1244,19 +1237,22 @@ static int pan_display_atomic(struct fb_var_screeninfo *var, state->acquire_ctx = dev->mode_config.acquire_ctx; retry: + plane_mask = 0; for(i = 0; i < fb_helper->crtc_count; i++) { struct drm_mode_set *mode_set; mode_set = &fb_helper->crtc_info[i].mode_set; - mode_set->crtc->primary->old_fb = mode_set->crtc->primary->fb; - mode_set->x = var->xoffset; mode_set->y = var->yoffset; ret = __drm_atomic_helper_set_config(mode_set, state); if (ret != 0) goto fail; + + plane = mode_set->crtc->primary; + plane_mask |= drm_plane_index(plane); + plane->old_fb = plane->fb; } ret = drm_atomic_commit(state); @@ -1268,26 +1264,7 @@ retry: fail: - for(i = 0; i < fb_helper->crtc_count; i++) { - struct drm_mode_set *mode_set; - struct drm_plane *plane; - - mode_set = &fb_helper->crtc_info[i].mode_set; - plane = mode_set->crtc->primary; - - if (ret == 0) { - struct drm_framebuffer *new_fb = plane->state->fb; - - if (new_fb) - drm_framebuffer_reference(new_fb); - plane->fb = new_fb; - plane->crtc = plane->state->crtc; - - if (plane->old_fb) - drm_framebuffer_unreference(plane->old_fb); - } - plane->old_fb = NULL; - } + drm_atomic_clean_old_fb(dev, plane_mask, ret); if (ret == -EDEADLK) goto backoff; diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index c59ce4d0ef75..6b5625e66119 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -126,6 +126,60 @@ static int drm_cpu_valid(void) } /** + * drm_new_set_master - Allocate a new master object and become master for the + * associated master realm. + * + * @dev: The associated device. + * @fpriv: File private identifying the client. + * + * This function must be called with dev::struct_mutex held. + * Returns negative error code on failure. Zero on success. + */ +int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv) +{ + struct drm_master *old_master; + int ret; + + lockdep_assert_held_once(&dev->master_mutex); + + /* create a new master */ + fpriv->minor->master = drm_master_create(fpriv->minor); + if (!fpriv->minor->master) + return -ENOMEM; + + /* take another reference for the copy in the local file priv */ + old_master = fpriv->master; + fpriv->master = drm_master_get(fpriv->minor->master); + + if (dev->driver->master_create) { + ret = dev->driver->master_create(dev, fpriv->master); + if (ret) + goto out_err; + } + if (dev->driver->master_set) { + ret = dev->driver->master_set(dev, fpriv, true); + if (ret) + goto out_err; + } + + fpriv->is_master = 1; + fpriv->allowed_master = 1; + fpriv->authenticated = 1; + if (old_master) + drm_master_put(&old_master); + + return 0; + +out_err: + /* drop both references and restore old master on failure */ + drm_master_put(&fpriv->minor->master); + drm_master_put(&fpriv->master); + fpriv->master = old_master; + + return ret; +} + +/** * Called whenever a process opens /dev/drm. * * \param filp file pointer. @@ -189,35 +243,9 @@ static int drm_open_helper(struct file *filp, struct drm_minor *minor) mutex_lock(&dev->master_mutex); if (drm_is_primary_client(priv) && !priv->minor->master) { /* create a new master */ - priv->minor->master = drm_master_create(priv->minor); - if (!priv->minor->master) { - ret = -ENOMEM; + ret = drm_new_set_master(dev, priv); + if (ret) goto out_close; - } - - priv->is_master = 1; - /* take another reference for the copy in the local file priv */ - priv->master = drm_master_get(priv->minor->master); - priv->authenticated = 1; - - if (dev->driver->master_create) { - ret = dev->driver->master_create(dev, priv->master); - if (ret) { - /* drop both references if this fails */ - drm_master_put(&priv->minor->master); - drm_master_put(&priv->master); - goto out_close; - } - } - if (dev->driver->master_set) { - ret = dev->driver->master_set(dev, priv, true); - if (ret) { - /* drop both references if this fails */ - drm_master_put(&priv->minor->master); - drm_master_put(&priv->master); - goto out_close; - } - } } else if (drm_is_primary_client(priv)) { /* get a reference to the master */ priv->master = drm_master_get(priv->minor->master); diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 2151ea551d3b..607f493ae801 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -980,7 +980,8 @@ static void send_vblank_event(struct drm_device *dev, struct drm_pending_vblank_event *e, unsigned long seq, struct timeval *now) { - WARN_ON_SMP(!spin_is_locked(&dev->event_lock)); + assert_spin_locked(&dev->event_lock); + e->event.sequence = seq; e->event.tv_sec = now->tv_sec; e->event.tv_usec = now->tv_usec; @@ -993,6 +994,57 @@ static void send_vblank_event(struct drm_device *dev, } /** + * drm_arm_vblank_event - arm vblank event after pageflip + * @dev: DRM device + * @pipe: CRTC index + * @e: the event to prepare to send + * + * A lot of drivers need to generate vblank events for the very next vblank + * interrupt. For example when the page flip interrupt happens when the page + * flip gets armed, but not when it actually executes within the next vblank + * period. This helper function implements exactly the required vblank arming + * behaviour. + * + * Caller must hold event lock. Caller must also hold a vblank reference for + * the event @e, which will be dropped when the next vblank arrives. + * + * This is the legacy version of drm_crtc_arm_vblank_event(). + */ +void drm_arm_vblank_event(struct drm_device *dev, unsigned int pipe, + struct drm_pending_vblank_event *e) +{ + assert_spin_locked(&dev->event_lock); + + e->pipe = pipe; + e->event.sequence = drm_vblank_count(dev, pipe); + list_add_tail(&e->base.link, &dev->vblank_event_list); +} +EXPORT_SYMBOL(drm_arm_vblank_event); + +/** + * drm_crtc_arm_vblank_event - arm vblank event after pageflip + * @crtc: the source CRTC of the vblank event + * @e: the event to send + * + * A lot of drivers need to generate vblank events for the very next vblank + * interrupt. For example when the page flip interrupt happens when the page + * flip gets armed, but not when it actually executes within the next vblank + * period. This helper function implements exactly the required vblank arming + * behaviour. + * + * Caller must hold event lock. Caller must also hold a vblank reference for + * the event @e, which will be dropped when the next vblank arrives. + * + * This is the native KMS version of drm_arm_vblank_event(). + */ +void drm_crtc_arm_vblank_event(struct drm_crtc *crtc, + struct drm_pending_vblank_event *e) +{ + drm_arm_vblank_event(crtc->dev, drm_crtc_index(crtc), e); +} +EXPORT_SYMBOL(drm_crtc_arm_vblank_event); + +/** * drm_send_vblank_event - helper to send vblank event after pageflip * @dev: DRM device * @pipe: CRTC index diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index a3b22bdacd44..8aab974b0564 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2734,6 +2734,8 @@ static const char *power_domain_str(enum intel_display_power_domain domain) return "AUX_C"; case POWER_DOMAIN_AUX_D: return "AUX_D"; + case POWER_DOMAIN_GMBUS: + return "GMBUS"; case POWER_DOMAIN_INIT: return "INIT"; default: diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8afda459a26e..a01e51581c4c 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -199,6 +199,7 @@ enum intel_display_power_domain { POWER_DOMAIN_AUX_B, POWER_DOMAIN_AUX_C, POWER_DOMAIN_AUX_D, + POWER_DOMAIN_GMBUS, POWER_DOMAIN_INIT, POWER_DOMAIN_NUM, @@ -351,6 +352,8 @@ enum intel_dpll_id { /* hsw/bdw */ DPLL_ID_WRPLL1 = 0, DPLL_ID_WRPLL2 = 1, + DPLL_ID_SPLL = 2, + /* skl */ DPLL_ID_SKL_DPLL1 = 0, DPLL_ID_SKL_DPLL2 = 1, @@ -367,6 +370,7 @@ struct intel_dpll_hw_state { /* hsw, bdw */ uint32_t wrpll; + uint32_t spll; /* skl */ /* @@ -2648,6 +2652,7 @@ struct i915_params { int enable_cmd_parser; /* leave bools at the end to not create holes */ bool enable_hangcheck; + bool fastboot; bool prefault_disable; bool load_detect_test; bool reset; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 5cf4a1998273..32e6aade6223 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1210,8 +1210,16 @@ int __i915_wait_request(struct drm_i915_gem_request *req, if (i915_gem_request_completed(req, true)) return 0; - timeout_expire = timeout ? - jiffies + nsecs_to_jiffies_timeout((u64)*timeout) : 0; + timeout_expire = 0; + if (timeout) { + if (WARN_ON(*timeout < 0)) + return -EINVAL; + + if (*timeout == 0) + return -ETIME; + + timeout_expire = jiffies + nsecs_to_jiffies_timeout(*timeout); + } if (INTEL_INFO(dev_priv)->gen >= 6) gen6_rps_boost(dev_priv, rps, req->emitted_jiffies); @@ -3809,6 +3817,7 @@ int i915_gem_get_caching_ioctl(struct drm_device *dev, void *data, int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data, struct drm_file *file) { + struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_caching *args = data; struct drm_i915_gem_object *obj; enum i915_cache_level level; @@ -3837,9 +3846,11 @@ int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data, return -EINVAL; } + intel_runtime_pm_get(dev_priv); + ret = i915_mutex_lock_interruptible(dev); if (ret) - return ret; + goto rpm_put; obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle)); if (&obj->base == NULL) { @@ -3852,6 +3863,9 @@ int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data, drm_gem_object_unreference(&obj->base); unlock: mutex_unlock(&dev->struct_mutex); +rpm_put: + intel_runtime_pm_put(dev_priv); + return ret; } diff --git a/drivers/gpu/drm/i915/i915_gem_fence.c b/drivers/gpu/drm/i915/i915_gem_fence.c index 40a10b25956c..f010391b87f5 100644 --- a/drivers/gpu/drm/i915/i915_gem_fence.c +++ b/drivers/gpu/drm/i915/i915_gem_fence.c @@ -642,11 +642,10 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev) } /* check for L-shaped memory aka modified enhanced addressing */ - if (IS_GEN4(dev)) { - uint32_t ddc2 = I915_READ(DCC2); - - if (!(ddc2 & DCC2_MODIFIED_ENHANCED_DISABLE)) - dev_priv->quirks |= QUIRK_PIN_SWIZZLED_PAGES; + if (IS_GEN4(dev) && + !(I915_READ(DCC2) & DCC2_MODIFIED_ENHANCED_DISABLE)) { + swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN; + swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN; } if (dcc == 0xffffffff) { @@ -675,16 +674,35 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev) * matching, which was the case for the swizzling required in * the table above, or from the 1-ch value being less than * the minimum size of a rank. + * + * Reports indicate that the swizzling actually + * varies depending upon page placement inside the + * channels, i.e. we see swizzled pages where the + * banks of memory are paired and unswizzled on the + * uneven portion, so leave that as unknown. */ - if (I915_READ16(C0DRB3) != I915_READ16(C1DRB3)) { - swizzle_x = I915_BIT_6_SWIZZLE_NONE; - swizzle_y = I915_BIT_6_SWIZZLE_NONE; - } else { + if (I915_READ16(C0DRB3) == I915_READ16(C1DRB3)) { swizzle_x = I915_BIT_6_SWIZZLE_9_10; swizzle_y = I915_BIT_6_SWIZZLE_9; } } + if (swizzle_x == I915_BIT_6_SWIZZLE_UNKNOWN || + swizzle_y == I915_BIT_6_SWIZZLE_UNKNOWN) { + /* Userspace likes to explode if it sees unknown swizzling, + * so lie. We will finish the lie when reporting through + * the get-tiling-ioctl by reporting the physical swizzle + * mode as unknown instead. + * + * As we don't strictly know what the swizzling is, it may be + * bit17 dependent, and so we need to also prevent the pages + * from being moved. + */ + dev_priv->quirks |= QUIRK_PIN_SWIZZLED_PAGES; + swizzle_x = I915_BIT_6_SWIZZLE_NONE; + swizzle_y = I915_BIT_6_SWIZZLE_NONE; + } + dev_priv->mm.bit_6_swizzle_x = swizzle_x; dev_priv->mm.bit_6_swizzle_y = swizzle_y; } diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 96bb23865eac..4be13a5eb932 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -40,6 +40,7 @@ struct i915_params i915 __read_mostly = { .preliminary_hw_support = IS_ENABLED(CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT), .disable_power_well = -1, .enable_ips = 1, + .fastboot = 0, .prefault_disable = 0, .load_detect_test = 0, .reset = true, @@ -133,6 +134,10 @@ MODULE_PARM_DESC(disable_power_well, module_param_named_unsafe(enable_ips, i915.enable_ips, int, 0600); MODULE_PARM_DESC(enable_ips, "Enable IPS (default: true)"); +module_param_named(fastboot, i915.fastboot, bool, 0600); +MODULE_PARM_DESC(fastboot, + "Try to skip unnecessary mode sets at boot time (default: false)"); + module_param_named_unsafe(prefault_disable, i915.prefault_disable, bool, 0600); MODULE_PARM_DESC(prefault_disable, "Disable page prefaulting for pread/pwrite/reloc (default:false). " diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index b84aaa0bb48a..6a2c76e367a5 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -138,18 +138,6 @@ static void hsw_crt_get_config(struct intel_encoder *encoder, pipe_config->base.adjusted_mode.flags |= intel_crt_get_flags(encoder); } -static void hsw_crt_pre_enable(struct intel_encoder *encoder) -{ - struct drm_device *dev = encoder->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - - WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL already enabled\n"); - I915_WRITE(SPLL_CTL, - SPLL_PLL_ENABLE | SPLL_PLL_FREQ_1350MHz | SPLL_PLL_SSC); - POSTING_READ(SPLL_CTL); - udelay(20); -} - /* Note: The caller is required to filter out dpms modes not supported by the * platform. */ static void intel_crt_set_dpms(struct intel_encoder *encoder, int mode) @@ -216,19 +204,6 @@ static void pch_post_disable_crt(struct intel_encoder *encoder) intel_disable_crt(encoder); } -static void hsw_crt_post_disable(struct intel_encoder *encoder) -{ - struct drm_device *dev = encoder->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - uint32_t val; - - DRM_DEBUG_KMS("Disabling SPLL\n"); - val = I915_READ(SPLL_CTL); - WARN_ON(!(val & SPLL_PLL_ENABLE)); - I915_WRITE(SPLL_CTL, val & ~SPLL_PLL_ENABLE); - POSTING_READ(SPLL_CTL); -} - static void intel_enable_crt(struct intel_encoder *encoder) { struct intel_crt *crt = intel_encoder_to_crt(encoder); @@ -280,6 +255,10 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder, if (HAS_DDI(dev)) { pipe_config->ddi_pll_sel = PORT_CLK_SEL_SPLL; pipe_config->port_clock = 135000 * 2; + + pipe_config->dpll_hw_state.wrpll = 0; + pipe_config->dpll_hw_state.spll = + SPLL_PLL_ENABLE | SPLL_PLL_FREQ_1350MHz | SPLL_PLL_SSC; } return true; @@ -860,8 +839,6 @@ void intel_crt_init(struct drm_device *dev) if (HAS_DDI(dev)) { crt->base.get_config = hsw_crt_get_config; crt->base.get_hw_state = intel_ddi_get_hw_state; - crt->base.pre_enable = hsw_crt_pre_enable; - crt->base.post_disable = hsw_crt_post_disable; } else { crt->base.get_config = intel_crt_get_config; crt->base.get_hw_state = intel_crt_get_hw_state; diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index b25e99a432fb..a6752a61d99f 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1286,6 +1286,18 @@ hsw_ddi_pll_select(struct intel_crtc *intel_crtc, } crtc_state->ddi_pll_sel = PORT_CLK_SEL_WRPLL(pll->id); + } else if (crtc_state->ddi_pll_sel == PORT_CLK_SEL_SPLL) { + struct drm_atomic_state *state = crtc_state->base.state; + struct intel_shared_dpll_config *spll = + &intel_atomic_get_shared_dpll_state(state)[DPLL_ID_SPLL]; + + if (spll->crtc_mask && + WARN_ON(spll->hw_state.spll != crtc_state->dpll_hw_state.spll)) + return false; + + crtc_state->shared_dpll = DPLL_ID_SPLL; + spll->hw_state.spll = crtc_state->dpll_hw_state.spll; + spll->crtc_mask |= 1 << intel_crtc->pipe; } return true; @@ -2437,7 +2449,7 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder) } } -static void hsw_ddi_pll_enable(struct drm_i915_private *dev_priv, +static void hsw_ddi_wrpll_enable(struct drm_i915_private *dev_priv, struct intel_shared_dpll *pll) { I915_WRITE(WRPLL_CTL(pll->id), pll->config.hw_state.wrpll); @@ -2445,9 +2457,17 @@ static void hsw_ddi_pll_enable(struct drm_i915_private *dev_priv, udelay(20); } -static void hsw_ddi_pll_disable(struct drm_i915_private *dev_priv, +static void hsw_ddi_spll_enable(struct drm_i915_private *dev_priv, struct intel_shared_dpll *pll) { + I915_WRITE(SPLL_CTL, pll->config.hw_state.spll); + POSTING_READ(SPLL_CTL); + udelay(20); +} + +static void hsw_ddi_wrpll_disable(struct drm_i915_private *dev_priv, + struct intel_shared_dpll *pll) +{ uint32_t val; val = I915_READ(WRPLL_CTL(pll->id)); @@ -2455,9 +2475,19 @@ static void hsw_ddi_pll_disable(struct drm_i915_private *dev_priv, POSTING_READ(WRPLL_CTL(pll->id)); } -static bool hsw_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv, - struct intel_shared_dpll *pll, - struct intel_dpll_hw_state *hw_state) +static void hsw_ddi_spll_disable(struct drm_i915_private *dev_priv, + struct intel_shared_dpll *pll) +{ + uint32_t val; + + val = I915_READ(SPLL_CTL); + I915_WRITE(SPLL_CTL, val & ~SPLL_PLL_ENABLE); + POSTING_READ(SPLL_CTL); +} + +static bool hsw_ddi_wrpll_get_hw_state(struct drm_i915_private *dev_priv, + struct intel_shared_dpll *pll, + struct intel_dpll_hw_state *hw_state) { uint32_t val; @@ -2470,25 +2500,50 @@ static bool hsw_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv, return val & WRPLL_PLL_ENABLE; } +static bool hsw_ddi_spll_get_hw_state(struct drm_i915_private *dev_priv, + struct intel_shared_dpll *pll, + struct intel_dpll_hw_state *hw_state) +{ + uint32_t val; + + if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) + return false; + + val = I915_READ(SPLL_CTL); + hw_state->spll = val; + + return val & SPLL_PLL_ENABLE; +} + + static const char * const hsw_ddi_pll_names[] = { "WRPLL 1", "WRPLL 2", + "SPLL" }; static void hsw_shared_dplls_init(struct drm_i915_private *dev_priv) { int i; - dev_priv->num_shared_dpll = 2; + dev_priv->num_shared_dpll = 3; - for (i = 0; i < dev_priv->num_shared_dpll; i++) { + for (i = 0; i < 2; i++) { dev_priv->shared_dplls[i].id = i; dev_priv->shared_dplls[i].name = hsw_ddi_pll_names[i]; - dev_priv->shared_dplls[i].disable = hsw_ddi_pll_disable; - dev_priv->shared_dplls[i].enable = hsw_ddi_pll_enable; + dev_priv->shared_dplls[i].disable = hsw_ddi_wrpll_disable; + dev_priv->shared_dplls[i].enable = hsw_ddi_wrpll_enable; dev_priv->shared_dplls[i].get_hw_state = - hsw_ddi_pll_get_hw_state; + hsw_ddi_wrpll_get_hw_state; } + + /* SPLL is special, but needs to be initialized anyway.. */ + dev_priv->shared_dplls[i].id = i; + dev_priv->shared_dplls[i].name = hsw_ddi_pll_names[i]; + dev_priv->shared_dplls[i].disable = hsw_ddi_spll_disable; + dev_priv->shared_dplls[i].enable = hsw_ddi_spll_enable; + dev_priv->shared_dplls[i].get_hw_state = hsw_ddi_spll_get_hw_state; + } static const char * const skl_ddi_pll_names[] = { diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f62ffc04c21d..22e86d2e408d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2646,11 +2646,13 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, return; valid_fb: - plane_state->src_x = plane_state->src_y = 0; + plane_state->src_x = 0; + plane_state->src_y = 0; plane_state->src_w = fb->width << 16; plane_state->src_h = fb->height << 16; - plane_state->crtc_x = plane_state->src_y = 0; + plane_state->crtc_x = 0; + plane_state->crtc_y = 0; plane_state->crtc_w = fb->width; plane_state->crtc_h = fb->height; @@ -4237,6 +4239,7 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, struct intel_shared_dpll *pll; struct intel_shared_dpll_config *shared_dpll; enum intel_dpll_id i; + int max = dev_priv->num_shared_dpll; shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state); @@ -4271,9 +4274,11 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, WARN_ON(shared_dpll[i].crtc_mask); goto found; - } + } else if (INTEL_INFO(dev_priv)->gen < 9 && HAS_DDI(dev_priv)) + /* Do not consider SPLL */ + max = 2; - for (i = 0; i < dev_priv->num_shared_dpll; i++) { + for (i = 0; i < max; i++) { pll = &dev_priv->shared_dplls[i]; /* Only want to check enabled timings first */ @@ -5189,11 +5194,31 @@ static enum intel_display_power_domain port_to_power_domain(enum port port) case PORT_E: return POWER_DOMAIN_PORT_DDI_E_2_LANES; default: - WARN_ON_ONCE(1); + MISSING_CASE(port); return POWER_DOMAIN_PORT_OTHER; } } +static enum intel_display_power_domain port_to_aux_power_domain(enum port port) +{ + switch (port) { + case PORT_A: + return POWER_DOMAIN_AUX_A; + case PORT_B: + return POWER_DOMAIN_AUX_B; + case PORT_C: + return POWER_DOMAIN_AUX_C; + case PORT_D: + return POWER_DOMAIN_AUX_D; + case PORT_E: + /* FIXME: Check VBT for actual wiring of PORT E */ + return POWER_DOMAIN_AUX_D; + default: + MISSING_CASE(port); + return POWER_DOMAIN_AUX_A; + } +} + #define for_each_power_domain(domain, mask) \ for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ if ((1 << (domain)) & (mask)) @@ -5225,6 +5250,36 @@ intel_display_port_power_domain(struct intel_encoder *intel_encoder) } } +enum intel_display_power_domain +intel_display_port_aux_power_domain(struct intel_encoder *intel_encoder) +{ + struct drm_device *dev = intel_encoder->base.dev; + struct intel_digital_port *intel_dig_port; + + switch (intel_encoder->type) { + case INTEL_OUTPUT_UNKNOWN: + case INTEL_OUTPUT_HDMI: + /* + * Only DDI platforms should ever use these output types. + * We can get here after the HDMI detect code has already set + * the type of the shared encoder. Since we can't be sure + * what's the status of the given connectors, play safe and + * run the DP detection too. + */ + WARN_ON_ONCE(!HAS_DDI(dev)); + case INTEL_OUTPUT_DISPLAYPORT: + case INTEL_OUTPUT_EDP: + intel_dig_port = enc_to_dig_port(&intel_encoder->base); + return port_to_aux_power_domain(intel_dig_port->port); + case INTEL_OUTPUT_DP_MST: + intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; + return port_to_aux_power_domain(intel_dig_port->port); + default: + MISSING_CASE(intel_encoder->type); + return POWER_DOMAIN_AUX_A; + } +} + static unsigned long get_crtc_power_domains(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -9723,6 +9778,8 @@ static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv, case PORT_CLK_SEL_WRPLL2: pipe_config->shared_dpll = DPLL_ID_WRPLL2; break; + case PORT_CLK_SEL_SPLL: + pipe_config->shared_dpll = DPLL_ID_SPLL; } } @@ -12003,9 +12060,10 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc, pipe_config->dpll_hw_state.cfgcr1, pipe_config->dpll_hw_state.cfgcr2); } else if (HAS_DDI(dev)) { - DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: wrpll: 0x%x\n", + DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: wrpll: 0x%x spll: 0x%x\n", pipe_config->ddi_pll_sel, - pipe_config->dpll_hw_state.wrpll); + pipe_config->dpll_hw_state.wrpll, + pipe_config->dpll_hw_state.spll); } else { DRM_DEBUG_KMS("dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, " "fp0: 0x%x, fp1: 0x%x\n", @@ -12452,7 +12510,6 @@ intel_pipe_config_compare(struct drm_device *dev, if (INTEL_INFO(dev)->gen < 8) { PIPE_CONF_CHECK_M_N(dp_m_n); - PIPE_CONF_CHECK_I(has_drrs); if (current_config->has_drrs) PIPE_CONF_CHECK_M_N(dp_m2_n2); } else @@ -12528,6 +12585,7 @@ intel_pipe_config_compare(struct drm_device *dev, PIPE_CONF_CHECK_X(dpll_hw_state.fp0); PIPE_CONF_CHECK_X(dpll_hw_state.fp1); PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); + PIPE_CONF_CHECK_X(dpll_hw_state.spll); PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1); PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1); PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2); @@ -13032,6 +13090,9 @@ static int intel_atomic_check(struct drm_device *dev, struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state); + memset(&to_intel_crtc(crtc)->atomic, 0, + sizeof(struct intel_crtc_atomic_commit)); + /* Catch I915_MODE_FLAG_INHERITED */ if (crtc_state->mode.private_flags != crtc->state->mode.private_flags) crtc_state->mode_changed = true; @@ -13056,7 +13117,8 @@ static int intel_atomic_check(struct drm_device *dev, if (ret) return ret; - if (intel_pipe_config_compare(state->dev, + if (i915.fastboot && + intel_pipe_config_compare(state->dev, to_intel_crtc_state(crtc->state), pipe_config, true)) { crtc_state->mode_changed = false; @@ -14364,16 +14426,17 @@ static int intel_framebuffer_init(struct drm_device *dev, static struct drm_framebuffer * intel_user_framebuffer_create(struct drm_device *dev, struct drm_file *filp, - struct drm_mode_fb_cmd2 *mode_cmd) + struct drm_mode_fb_cmd2 *user_mode_cmd) { struct drm_i915_gem_object *obj; + struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd; obj = to_intel_bo(drm_gem_object_lookup(dev, filp, - mode_cmd->handles[0])); + mode_cmd.handles[0])); if (&obj->base == NULL) return ERR_PTR(-ENOENT); - return intel_framebuffer_create(dev, mode_cmd, obj); + return intel_framebuffer_create(dev, &mode_cmd, obj); } #ifndef CONFIG_DRM_FBDEV_EMULATION @@ -14705,6 +14768,9 @@ static struct intel_quirk intel_quirks[] = { /* Apple Macbook 2,1 (Core 2 T7400) */ { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, + /* Apple Macbook 4,1 */ + { 0x2a02, 0x106b, 0x00a1, quirk_backlight_present }, + /* Toshiba CB35 Chromebook (Celeron 2955U) */ { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 09bdd94ca3ba..78b8ec84d576 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -277,7 +277,7 @@ static void pps_lock(struct intel_dp *intel_dp) * See vlv_power_sequencer_reset() why we need * a power domain reference here. */ - power_domain = intel_display_port_power_domain(encoder); + power_domain = intel_display_port_aux_power_domain(encoder); intel_display_power_get(dev_priv, power_domain); mutex_lock(&dev_priv->pps_mutex); @@ -293,7 +293,7 @@ static void pps_unlock(struct intel_dp *intel_dp) mutex_unlock(&dev_priv->pps_mutex); - power_domain = intel_display_port_power_domain(encoder); + power_domain = intel_display_port_aux_power_domain(encoder); intel_display_power_put(dev_priv, power_domain); } @@ -816,8 +816,6 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, intel_dp_check_edp(intel_dp); - intel_aux_display_runtime_get(dev_priv); - /* Try to wait for any previous AUX channel activity */ for (try = 0; try < 3; try++) { status = I915_READ_NOTRACE(ch_ctl); @@ -926,7 +924,6 @@ done: ret = recv_bytes; out: pm_qos_update_request(&dev_priv->pm_qos, PM_QOS_DEFAULT_VALUE); - intel_aux_display_runtime_put(dev_priv); if (vdd) edp_panel_vdd_off(intel_dp, false); @@ -1784,7 +1781,7 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp) if (edp_have_panel_vdd(intel_dp)) return need_to_disable; - power_domain = intel_display_port_power_domain(intel_encoder); + power_domain = intel_display_port_aux_power_domain(intel_encoder); intel_display_power_get(dev_priv, power_domain); DRM_DEBUG_KMS("Turning eDP port %c VDD on\n", @@ -1874,7 +1871,7 @@ static void edp_panel_vdd_off_sync(struct intel_dp *intel_dp) if ((pp & POWER_TARGET_ON) == 0) intel_dp->last_power_cycle = jiffies; - power_domain = intel_display_port_power_domain(intel_encoder); + power_domain = intel_display_port_aux_power_domain(intel_encoder); intel_display_power_put(dev_priv, power_domain); } @@ -2025,7 +2022,7 @@ static void edp_panel_off(struct intel_dp *intel_dp) wait_panel_off(intel_dp); /* We got a reference when we enabled the VDD. */ - power_domain = intel_display_port_power_domain(intel_encoder); + power_domain = intel_display_port_aux_power_domain(intel_encoder); intel_display_power_put(dev_priv, power_domain); } @@ -4765,26 +4762,6 @@ intel_dp_unset_edid(struct intel_dp *intel_dp) intel_dp->has_audio = false; } -static enum intel_display_power_domain -intel_dp_power_get(struct intel_dp *dp) -{ - struct intel_encoder *encoder = &dp_to_dig_port(dp)->base; - enum intel_display_power_domain power_domain; - - power_domain = intel_display_port_power_domain(encoder); - intel_display_power_get(to_i915(encoder->base.dev), power_domain); - - return power_domain; -} - -static void -intel_dp_power_put(struct intel_dp *dp, - enum intel_display_power_domain power_domain) -{ - struct intel_encoder *encoder = &dp_to_dig_port(dp)->base; - intel_display_power_put(to_i915(encoder->base.dev), power_domain); -} - static enum drm_connector_status intel_dp_detect(struct drm_connector *connector, bool force) { @@ -4808,7 +4785,8 @@ intel_dp_detect(struct drm_connector *connector, bool force) return connector_status_disconnected; } - power_domain = intel_dp_power_get(intel_dp); + power_domain = intel_display_port_aux_power_domain(intel_encoder); + intel_display_power_get(to_i915(dev), power_domain); /* Can't disconnect eDP, but you can close the lid... */ if (is_edp(intel_dp)) @@ -4853,7 +4831,7 @@ intel_dp_detect(struct drm_connector *connector, bool force) } out: - intel_dp_power_put(intel_dp, power_domain); + intel_display_power_put(to_i915(dev), power_domain); return status; } @@ -4862,6 +4840,7 @@ intel_dp_force(struct drm_connector *connector) { struct intel_dp *intel_dp = intel_attached_dp(connector); struct intel_encoder *intel_encoder = &dp_to_dig_port(intel_dp)->base; + struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev); enum intel_display_power_domain power_domain; DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", @@ -4871,11 +4850,12 @@ intel_dp_force(struct drm_connector *connector) if (connector->status != connector_status_connected) return; - power_domain = intel_dp_power_get(intel_dp); + power_domain = intel_display_port_aux_power_domain(intel_encoder); + intel_display_power_get(dev_priv, power_domain); intel_dp_set_edid(intel_dp); - intel_dp_power_put(intel_dp, power_domain); + intel_display_power_put(dev_priv, power_domain); if (intel_encoder->type != INTEL_OUTPUT_EDP) intel_encoder->type = INTEL_OUTPUT_DISPLAYPORT; @@ -5091,7 +5071,7 @@ static void intel_edp_panel_vdd_sanitize(struct intel_dp *intel_dp) * indefinitely. */ DRM_DEBUG_KMS("VDD left on by BIOS, adjusting state tracking\n"); - power_domain = intel_display_port_power_domain(&intel_dig_port->base); + power_domain = intel_display_port_aux_power_domain(&intel_dig_port->base); intel_display_power_get(dev_priv, power_domain); edp_panel_vdd_schedule_off(intel_dp); @@ -5153,7 +5133,8 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) enum intel_display_power_domain power_domain; enum irqreturn ret = IRQ_NONE; - if (intel_dig_port->base.type != INTEL_OUTPUT_EDP) + if (intel_dig_port->base.type != INTEL_OUTPUT_EDP && + intel_dig_port->base.type != INTEL_OUTPUT_HDMI) intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT; if (long_hpd && intel_dig_port->base.type == INTEL_OUTPUT_EDP) { @@ -5172,7 +5153,7 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd) port_name(intel_dig_port->port), long_hpd ? "long" : "short"); - power_domain = intel_display_port_power_domain(intel_encoder); + power_domain = intel_display_port_aux_power_domain(intel_encoder); intel_display_power_get(dev_priv, power_domain); if (long_hpd) { diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 0598932ce623..f2a1142bff34 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1169,6 +1169,8 @@ void hsw_enable_ips(struct intel_crtc *crtc); void hsw_disable_ips(struct intel_crtc *crtc); enum intel_display_power_domain intel_display_port_power_domain(struct intel_encoder *intel_encoder); +enum intel_display_power_domain +intel_display_port_aux_power_domain(struct intel_encoder *intel_encoder); void intel_mode_from_pipe_config(struct drm_display_mode *mode, struct intel_crtc_state *pipe_config); void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc); @@ -1377,8 +1379,6 @@ void intel_display_power_get(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); void intel_display_power_put(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); -void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv); -void intel_aux_display_runtime_put(struct drm_i915_private *dev_priv); void intel_runtime_pm_get(struct drm_i915_private *dev_priv); void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv); void intel_runtime_pm_put(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 9eafa191cee2..81cdd9ff3892 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1335,21 +1335,17 @@ intel_hdmi_set_edid(struct drm_connector *connector, bool force) { struct drm_i915_private *dev_priv = to_i915(connector->dev); struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); - struct intel_encoder *intel_encoder = - &hdmi_to_dig_port(intel_hdmi)->base; - enum intel_display_power_domain power_domain; struct edid *edid = NULL; bool connected = false; - power_domain = intel_display_port_power_domain(intel_encoder); - intel_display_power_get(dev_priv, power_domain); + intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS); if (force) edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus)); - intel_display_power_put(dev_priv, power_domain); + intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS); to_intel_connector(connector)->detect_edid = edid; if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) { @@ -1383,6 +1379,8 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id, connector->name); + intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS); + while (!live_status && --retry) { live_status = intel_digital_port_connected(dev_priv, hdmi_to_dig_port(intel_hdmi)); @@ -1402,6 +1400,8 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) } else status = connector_status_disconnected; + intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS); + return status; } diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 1369fc41d039..8324654037b6 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -483,7 +483,7 @@ gmbus_xfer(struct i2c_adapter *adapter, int i = 0, inc, try = 0; int ret = 0; - intel_aux_display_runtime_get(dev_priv); + intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS); mutex_lock(&dev_priv->gmbus_mutex); if (bus->force_bit) { @@ -595,7 +595,9 @@ timeout: out: mutex_unlock(&dev_priv->gmbus_mutex); - intel_aux_display_runtime_put(dev_priv); + + intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS); + return ret; } diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d52a15df6917..071a76b9ac52 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4449,7 +4449,7 @@ static void gen6_set_rps(struct drm_device *dev, u8 val) POSTING_READ(GEN6_RPNSWREQ); dev_priv->rps.cur_freq = val; - trace_intel_gpu_freq_change(val * 50); + trace_intel_gpu_freq_change(intel_gpu_freq(dev_priv, val)); } static void valleyview_set_rps(struct drm_device *dev, u8 val) @@ -7255,7 +7255,8 @@ static int chv_freq_opcode(struct drm_i915_private *dev_priv, int val) int intel_gpu_freq(struct drm_i915_private *dev_priv, int val) { if (IS_GEN9(dev_priv->dev)) - return (val * GT_FREQUENCY_MULTIPLIER) / GEN9_FREQ_SCALER; + return DIV_ROUND_CLOSEST(val * GT_FREQUENCY_MULTIPLIER, + GEN9_FREQ_SCALER); else if (IS_CHERRYVIEW(dev_priv->dev)) return chv_gpu_freq(dev_priv, val); else if (IS_VALLEYVIEW(dev_priv->dev)) @@ -7267,13 +7268,14 @@ int intel_gpu_freq(struct drm_i915_private *dev_priv, int val) int intel_freq_opcode(struct drm_i915_private *dev_priv, int val) { if (IS_GEN9(dev_priv->dev)) - return (val * GEN9_FREQ_SCALER) / GT_FREQUENCY_MULTIPLIER; + return DIV_ROUND_CLOSEST(val * GEN9_FREQ_SCALER, + GT_FREQUENCY_MULTIPLIER); else if (IS_CHERRYVIEW(dev_priv->dev)) return chv_freq_opcode(dev_priv, val); else if (IS_VALLEYVIEW(dev_priv->dev)) return byt_freq_opcode(dev_priv, val); else - return val / GT_FREQUENCY_MULTIPLIER; + return DIV_ROUND_CLOSEST(val, GT_FREQUENCY_MULTIPLIER); } struct request_boost { diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index d89c1d0aa1b7..7e23d65c9b24 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -362,6 +362,7 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv, BIT(POWER_DOMAIN_AUX_C) | \ BIT(POWER_DOMAIN_AUDIO) | \ BIT(POWER_DOMAIN_VGA) | \ + BIT(POWER_DOMAIN_GMBUS) | \ BIT(POWER_DOMAIN_INIT)) #define BXT_DISPLAY_POWERWELL_1_POWER_DOMAINS ( \ BXT_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ @@ -1483,6 +1484,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, BIT(POWER_DOMAIN_AUX_B) | \ BIT(POWER_DOMAIN_AUX_C) | \ BIT(POWER_DOMAIN_AUX_D) | \ + BIT(POWER_DOMAIN_GMBUS) | \ BIT(POWER_DOMAIN_INIT)) #define HSW_DISPLAY_POWER_DOMAINS ( \ (POWER_DOMAIN_MASK & ~HSW_ALWAYS_ON_POWER_DOMAINS) | \ @@ -1845,6 +1847,8 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) i915.disable_power_well = sanitize_disable_power_well_option(dev_priv, i915.disable_power_well); + BUILD_BUG_ON(POWER_DOMAIN_NUM > 31); + mutex_init(&power_domains->lock); /* @@ -2064,36 +2068,6 @@ void intel_power_domains_init_hw(struct drm_i915_private *dev_priv) } /** - * intel_aux_display_runtime_get - grab an auxiliary power domain reference - * @dev_priv: i915 device instance - * - * This function grabs a power domain reference for the auxiliary power domain - * (for access to the GMBUS and DP AUX blocks) and ensures that it and all its - * parents are powered up. Therefore users should only grab a reference to the - * innermost power domain they need. - * - * Any power domain reference obtained by this function must have a symmetric - * call to intel_aux_display_runtime_put() to release the reference again. - */ -void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv) -{ - intel_runtime_pm_get(dev_priv); -} - -/** - * intel_aux_display_runtime_put - release an auxiliary power domain reference - * @dev_priv: i915 device instance - * - * This function drops the auxiliary power domain reference obtained by - * intel_aux_display_runtime_get() and might power down the corresponding - * hardware block right away if this is the last reference. - */ -void intel_aux_display_runtime_put(struct drm_i915_private *dev_priv) -{ - intel_runtime_pm_put(dev_priv); -} - -/** * intel_runtime_pm_get - grab a runtime pm reference * @dev_priv: i915 device instance * diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 64f16ea779ef..7b990b4e96d2 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -63,8 +63,7 @@ static void imx_drm_driver_lastclose(struct drm_device *drm) #if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER) struct imx_drm_device *imxdrm = drm->dev_private; - if (imxdrm->fbhelper) - drm_fbdev_cma_restore_mode(imxdrm->fbhelper); + drm_fbdev_cma_restore_mode(imxdrm->fbhelper); #endif } @@ -340,7 +339,7 @@ err_kms: * imx_drm_add_crtc - add a new crtc */ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, - struct imx_drm_crtc **new_crtc, + struct imx_drm_crtc **new_crtc, struct drm_plane *primary_plane, const struct imx_drm_crtc_helper_funcs *imx_drm_helper_funcs, struct device_node *port) { @@ -379,7 +378,7 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, drm_crtc_helper_add(crtc, imx_drm_crtc->imx_drm_helper_funcs.crtc_helper_funcs); - drm_crtc_init(drm, crtc, + drm_crtc_init_with_planes(drm, crtc, primary_plane, NULL, imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs); return 0; diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h index 28e776d8d9d2..83284b4d4be1 100644 --- a/drivers/gpu/drm/imx/imx-drm.h +++ b/drivers/gpu/drm/imx/imx-drm.h @@ -9,6 +9,7 @@ struct drm_display_mode; struct drm_encoder; struct drm_fbdev_cma; struct drm_framebuffer; +struct drm_plane; struct imx_drm_crtc; struct platform_device; @@ -24,7 +25,7 @@ struct imx_drm_crtc_helper_funcs { }; int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, - struct imx_drm_crtc **new_crtc, + struct imx_drm_crtc **new_crtc, struct drm_plane *primary_plane, const struct imx_drm_crtc_helper_funcs *imx_helper_funcs, struct device_node *port); int imx_drm_remove_crtc(struct imx_drm_crtc *); diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index e671ad369416..f9597146dc67 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -721,6 +721,7 @@ static const struct of_device_id imx_tve_dt_ids[] = { { .compatible = "fsl,imx53-tve", }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, imx_tve_dt_ids); static struct platform_driver imx_tve_driver = { .probe = imx_tve_probe, diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 7bc8301fafff..4ab841eebee1 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -212,7 +212,8 @@ static void ipu_crtc_handle_pageflip(struct ipu_crtc *ipu_crtc) spin_lock_irqsave(&drm->event_lock, flags); if (ipu_crtc->page_flip_event) - drm_send_vblank_event(drm, -1, ipu_crtc->page_flip_event); + drm_crtc_send_vblank_event(&ipu_crtc->base, + ipu_crtc->page_flip_event); ipu_crtc->page_flip_event = NULL; imx_drm_crtc_vblank_put(ipu_crtc->imx_crtc); spin_unlock_irqrestore(&drm->event_lock, flags); @@ -349,7 +350,6 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc, struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); int dp = -EINVAL; int ret; - int id; ret = ipu_get_resources(ipu_crtc, pdata); if (ret) { @@ -358,18 +358,23 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc, return ret; } + if (pdata->dp >= 0) + dp = IPU_DP_FLOW_SYNC_BG; + ipu_crtc->plane[0] = ipu_plane_init(drm, ipu, pdata->dma[0], dp, 0, + DRM_PLANE_TYPE_PRIMARY); + if (IS_ERR(ipu_crtc->plane[0])) { + ret = PTR_ERR(ipu_crtc->plane[0]); + goto err_put_resources; + } + ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc, - &ipu_crtc_helper_funcs, ipu_crtc->dev->of_node); + &ipu_crtc->plane[0]->base, &ipu_crtc_helper_funcs, + ipu_crtc->dev->of_node); if (ret) { dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret); goto err_put_resources; } - if (pdata->dp >= 0) - dp = IPU_DP_FLOW_SYNC_BG; - id = imx_drm_crtc_id(ipu_crtc->imx_crtc); - ipu_crtc->plane[0] = ipu_plane_init(ipu_crtc->base.dev, ipu, - pdata->dma[0], dp, BIT(id), true); ret = ipu_plane_get_resources(ipu_crtc->plane[0]); if (ret) { dev_err(ipu_crtc->dev, "getting plane 0 resources failed with %d.\n", @@ -379,10 +384,10 @@ static int ipu_crtc_init(struct ipu_crtc *ipu_crtc, /* If this crtc is using the DP, add an overlay plane */ if (pdata->dp >= 0 && pdata->dma[1] > 0) { - ipu_crtc->plane[1] = ipu_plane_init(ipu_crtc->base.dev, ipu, - pdata->dma[1], - IPU_DP_FLOW_SYNC_FG, - BIT(id), false); + ipu_crtc->plane[1] = ipu_plane_init(drm, ipu, pdata->dma[1], + IPU_DP_FLOW_SYNC_FG, + drm_crtc_mask(&ipu_crtc->base), + DRM_PLANE_TYPE_OVERLAY); if (IS_ERR(ipu_crtc->plane[1])) ipu_crtc->plane[1] = NULL; } @@ -407,28 +412,6 @@ err_put_resources: return ret; } -static struct device_node *ipu_drm_get_port_by_id(struct device_node *parent, - int port_id) -{ - struct device_node *port; - int id, ret; - - port = of_get_child_by_name(parent, "port"); - while (port) { - ret = of_property_read_u32(port, "reg", &id); - if (!ret && id == port_id) - return port; - - do { - port = of_get_next_child(parent, port); - if (!port) - return NULL; - } while (of_node_cmp(port->name, "port")); - } - - return NULL; -} - static int ipu_drm_bind(struct device *dev, struct device *master, void *data) { struct ipu_client_platformdata *pdata = dev->platform_data; @@ -470,23 +453,11 @@ static const struct component_ops ipu_crtc_ops = { static int ipu_drm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct ipu_client_platformdata *pdata = dev->platform_data; int ret; if (!dev->platform_data) return -EINVAL; - if (!dev->of_node) { - /* Associate crtc device with the corresponding DI port node */ - dev->of_node = ipu_drm_get_port_by_id(dev->parent->of_node, - pdata->di + 2); - if (!dev->of_node) { - dev_err(dev, "missing port@%d node in %s\n", - pdata->di + 2, dev->parent->of_node->full_name); - return -ENODEV; - } - } - ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); if (ret) return ret; diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 575f4c84388f..e2ff410bab74 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -381,7 +381,7 @@ static struct drm_plane_funcs ipu_plane_funcs = { struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu, int dma, int dp, unsigned int possible_crtcs, - bool priv) + enum drm_plane_type type) { struct ipu_plane *ipu_plane; int ret; @@ -399,10 +399,9 @@ struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu, ipu_plane->dma = dma; ipu_plane->dp_flow = dp; - ret = drm_plane_init(dev, &ipu_plane->base, possible_crtcs, - &ipu_plane_funcs, ipu_plane_formats, - ARRAY_SIZE(ipu_plane_formats), - priv); + ret = drm_universal_plane_init(dev, &ipu_plane->base, possible_crtcs, + &ipu_plane_funcs, ipu_plane_formats, + ARRAY_SIZE(ipu_plane_formats), type); if (ret) { DRM_ERROR("failed to initialize plane\n"); kfree(ipu_plane); diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h index 9b5eff18f5b8..3a443b413c60 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.h +++ b/drivers/gpu/drm/imx/ipuv3-plane.h @@ -34,7 +34,7 @@ struct ipu_plane { struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu, int dma, int dp, unsigned int possible_crtcs, - bool priv); + enum drm_plane_type type); /* Init IDMAC, DMFC, DP */ int ipu_plane_mode_set(struct ipu_plane *plane, struct drm_crtc *crtc, diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index b4deb9cf9d71..2e9b9f1b5cd2 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -54,7 +54,11 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) if (imxpd->panel && imxpd->panel->funcs && imxpd->panel->funcs->get_modes) { + struct drm_display_info *di = &connector->display_info; + num_modes = imxpd->panel->funcs->get_modes(imxpd->panel); + if (!imxpd->bus_format && di->num_bus_formats) + imxpd->bus_format = di->bus_formats[0]; if (num_modes > 0) return num_modes; } diff --git a/drivers/gpu/drm/mgag200/mgag200_cursor.c b/drivers/gpu/drm/mgag200/mgag200_cursor.c index 4f2068fe5d88..a7bf6a90eae5 100644 --- a/drivers/gpu/drm/mgag200/mgag200_cursor.c +++ b/drivers/gpu/drm/mgag200/mgag200_cursor.c @@ -70,6 +70,11 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, BUG_ON(pixels_2 != pixels_current && pixels_2 != pixels_prev); BUG_ON(pixels_current == pixels_prev); + if (!handle || !file_priv) { + mga_hide_cursor(mdev); + return 0; + } + obj = drm_gem_object_lookup(dev, file_priv, handle); if (!obj) return -ENOENT; @@ -88,12 +93,6 @@ int mga_crtc_cursor_set(struct drm_crtc *crtc, goto out_unreserve1; } - if (!handle) { - mga_hide_cursor(mdev); - ret = 0; - goto out1; - } - /* Move cursor buffers into VRAM if they aren't already */ if (!pixels_1->pin_count) { ret = mgag200_bo_pin(pixels_1, TTM_PL_FLAG_VRAM, diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h index 28bc202f9753..40f845e31272 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h @@ -7,6 +7,7 @@ struct nvkm_instmem { const struct nvkm_instmem_func *func; struct nvkm_subdev subdev; + spinlock_t lock; struct list_head list; u32 reserved; diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 8b8332e46f24..d5e6938cc6bc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -367,6 +367,7 @@ static int nouveau_rom_call(acpi_handle rom_handle, uint8_t *bios, return -ENODEV; } obj = (union acpi_object *)buffer.pointer; + len = min(len, (int)obj->buffer.length); memcpy(bios+offset, obj->buffer.pointer, len); kfree(buffer.pointer); return len; diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index db6bc6760545..64c8d932d5f1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -829,7 +829,6 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, struct drm_device *dev = drm->dev; struct nouveau_page_flip_state *s; unsigned long flags; - int crtcid = -1; spin_lock_irqsave(&dev->event_lock, flags); @@ -841,15 +840,19 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); if (s->event) { - /* Vblank timestamps/counts are only correct on >= NV-50 */ - if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) - crtcid = s->crtc; + if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { + drm_arm_vblank_event(dev, s->crtc, s->event); + } else { + drm_send_vblank_event(dev, s->crtc, s->event); - drm_send_vblank_event(dev, crtcid, s->event); + /* Give up ownership of vblank for page-flipped crtc */ + drm_vblank_put(dev, s->crtc); + } + } + else { + /* Give up ownership of vblank for page-flipped crtc */ + drm_vblank_put(dev, s->crtc); } - - /* Give up ownership of vblank for page-flipped crtc */ - drm_vblank_put(dev, s->crtc); list_del(&s->head); if (ps) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h index 3050042e6c6d..a02813e994ec 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.h +++ b/drivers/gpu/drm/nouveau/nouveau_drm.h @@ -39,6 +39,7 @@ #include <nvif/client.h> #include <nvif/device.h> +#include <nvif/ioctl.h> #include <drmP.h> @@ -65,9 +66,10 @@ struct nouveau_drm_tile { }; enum nouveau_drm_object_route { - NVDRM_OBJECT_NVIF = 0, + NVDRM_OBJECT_NVIF = NVIF_IOCTL_V0_OWNER_NVIF, NVDRM_OBJECT_USIF, NVDRM_OBJECT_ABI16, + NVDRM_OBJECT_ANY = NVIF_IOCTL_V0_OWNER_ANY, }; enum nouveau_drm_notify_route { diff --git a/drivers/gpu/drm/nouveau/nouveau_usif.c b/drivers/gpu/drm/nouveau/nouveau_usif.c index 89dc4ce63490..6ae1b3494bcd 100644 --- a/drivers/gpu/drm/nouveau/nouveau_usif.c +++ b/drivers/gpu/drm/nouveau/nouveau_usif.c @@ -313,7 +313,10 @@ usif_ioctl(struct drm_file *filp, void __user *user, u32 argc) if (nvif_unpack(argv->v0, 0, 0, true)) { /* block access to objects not created via this interface */ owner = argv->v0.owner; - argv->v0.owner = NVDRM_OBJECT_USIF; + if (argv->v0.object == 0ULL) + argv->v0.owner = NVDRM_OBJECT_ANY; /* except client */ + else + argv->v0.owner = NVDRM_OBJECT_USIF; } else goto done; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c index e3c783d0e2ab..caf22b589edc 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c @@ -279,6 +279,12 @@ nvkm_device_pci_10de_0fe3[] = { }; static const struct nvkm_device_pci_vendor +nvkm_device_pci_10de_0fe4[] = { + { 0x144d, 0xc740, NULL, { .War00C800_0 = true } }, + {} +}; + +static const struct nvkm_device_pci_vendor nvkm_device_pci_10de_104b[] = { { 0x1043, 0x844c, "GeForce GT 625" }, { 0x1043, 0x846b, "GeForce GT 625" }, @@ -689,6 +695,12 @@ nvkm_device_pci_10de_1199[] = { }; static const struct nvkm_device_pci_vendor +nvkm_device_pci_10de_11e0[] = { + { 0x1558, 0x5106, NULL, { .War00C800_0 = true } }, + {} +}; + +static const struct nvkm_device_pci_vendor nvkm_device_pci_10de_11e3[] = { { 0x17aa, 0x3683, "GeForce GTX 760A" }, {} @@ -1370,7 +1382,7 @@ nvkm_device_pci_10de[] = { { 0x0fe1, "GeForce GT 730M" }, { 0x0fe2, "GeForce GT 745M" }, { 0x0fe3, "GeForce GT 745M", nvkm_device_pci_10de_0fe3 }, - { 0x0fe4, "GeForce GT 750M" }, + { 0x0fe4, "GeForce GT 750M", nvkm_device_pci_10de_0fe4 }, { 0x0fe9, "GeForce GT 750M" }, { 0x0fea, "GeForce GT 755M" }, { 0x0fec, "GeForce 710A" }, @@ -1485,7 +1497,7 @@ nvkm_device_pci_10de[] = { { 0x11c6, "GeForce GTX 650 Ti" }, { 0x11c8, "GeForce GTX 650" }, { 0x11cb, "GeForce GT 740" }, - { 0x11e0, "GeForce GTX 770M" }, + { 0x11e0, "GeForce GTX 770M", nvkm_device_pci_10de_11e0 }, { 0x11e1, "GeForce GTX 765M" }, { 0x11e2, "GeForce GTX 765M" }, { 0x11e3, "GeForce GTX 760M", nvkm_device_pci_10de_11e3 }, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf117.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf117.c index b5b875928aba..74de7a96c22a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf117.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf117.c @@ -207,6 +207,8 @@ gf117_grctx_generate_attrib(struct gf100_grctx *info) const u32 b = beta * gr->ppc_tpc_nr[gpc][ppc]; const u32 t = timeslice_mode; const u32 o = PPC_UNIT(gpc, ppc, 0); + if (!(gr->ppc_mask[gpc] & (1 << ppc))) + continue; mmio_skip(info, o + 0xc0, (t << 28) | (b << 16) | ++bo); mmio_wr32(info, o + 0xc0, (t << 28) | (b << 16) | --bo); bo += grctx->attrib_nr_max * gr->ppc_tpc_nr[gpc][ppc]; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpc.fuc b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpc.fuc index 194afe910d21..7dacb3cc0668 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpc.fuc +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpc.fuc @@ -52,10 +52,12 @@ mmio_list_base: #endif #ifdef INCLUDE_CODE +#define gpc_addr(reg,addr) /* +*/ imm32(reg,addr) /* +*/ or reg NV_PGRAPH_GPCX_GPCCS_MMIO_CTRL_BASE_ENABLE #define gpc_wr32(addr,reg) /* +*/ gpc_addr($r14,addr) /* */ mov b32 $r15 reg /* -*/ imm32($r14, addr) /* -*/ or $r14 NV_PGRAPH_GPCX_GPCCS_MMIO_CTRL_BASE_ENABLE /* */ call(nv_wr32) // reports an exception to the host @@ -161,7 +163,7 @@ init: #if NV_PGRAPH_GPCX_UNK__SIZE > 0 // figure out which, and how many, UNKs are actually present - imm32($r14, 0x500c30) + gpc_addr($r14, 0x500c30) clear b32 $r2 clear b32 $r3 clear b32 $r4 diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h index 64d07df4b8b1..bb820ff28621 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h @@ -314,7 +314,7 @@ uint32_t gf117_grgpc_code[] = { 0x03f01200, 0x0002d000, 0x17f104bd, - 0x10fe0542, + 0x10fe0545, 0x0007f100, 0x0003f007, 0xbd0000d0, @@ -338,184 +338,184 @@ uint32_t gf117_grgpc_code[] = { 0x02d00103, 0xf104bd00, 0xf00c30e7, - 0x24bd50e3, - 0x44bd34bd, -/* 0x0430: init_unk_loop */ - 0xb06821f4, - 0x0bf400f6, - 0x01f7f00f, - 0xfd04f2bb, - 0x30b6054f, -/* 0x0445: init_unk_next */ - 0x0120b601, - 0xb004e0b6, - 0x1bf40126, -/* 0x0451: init_unk_done */ - 0x070380e2, - 0xf1080480, - 0xf0010027, - 0x22cf0223, - 0x9534bd00, - 0x07f10825, - 0x03f0c000, - 0x0005d001, - 0x07f104bd, - 0x03f0c100, - 0x0005d001, - 0x0e9804bd, - 0x010f9800, - 0x015021f5, - 0xbb002fbb, - 0x0e98003f, - 0x020f9801, - 0x015021f5, - 0xfd050e98, - 0x2ebb00ef, - 0x003ebb00, - 0x98020e98, - 0x21f5030f, - 0x0e980150, - 0x00effd07, - 0xbb002ebb, - 0x35b6003e, - 0x0007f102, - 0x0103f0d3, - 0xbd0003d0, - 0x0825b604, - 0xb60635b6, - 0x30b60120, - 0x0824b601, - 0xb90834b6, - 0x21f5022f, - 0x2fbb02d3, - 0x003fbb00, - 0x010007f1, - 0xd00203f0, + 0xe5f050e3, + 0xbd24bd01, +/* 0x0433: init_unk_loop */ + 0xf444bd34, + 0xf6b06821, + 0x0f0bf400, + 0xbb01f7f0, + 0x4ffd04f2, + 0x0130b605, +/* 0x0448: init_unk_next */ + 0xb60120b6, + 0x26b004e0, + 0xe21bf401, +/* 0x0454: init_unk_done */ + 0x80070380, + 0x27f10804, + 0x23f00100, + 0x0022cf02, + 0x259534bd, + 0x0007f108, + 0x0103f0c0, + 0xbd0005d0, + 0x0007f104, + 0x0103f0c1, + 0xbd0005d0, + 0x000e9804, + 0xf5010f98, + 0xbb015021, + 0x3fbb002f, + 0x010e9800, + 0xf5020f98, + 0x98015021, + 0xeffd050e, + 0x002ebb00, + 0x98003ebb, + 0x0f98020e, + 0x5021f503, + 0x070e9801, + 0xbb00effd, + 0x3ebb002e, + 0x0235b600, + 0xd30007f1, + 0xd00103f0, 0x04bd0003, - 0x29f024bd, - 0x0007f11f, - 0x0203f008, - 0xbd0002d0, -/* 0x0505: main */ - 0x0031f404, - 0xf00028f4, - 0x21f424d7, - 0xf401f439, - 0xf404e4b0, - 0x81fe1e18, - 0x0627f001, - 0x12fd20bd, - 0x01e4b604, - 0xfe051efd, - 0x21f50018, - 0x0ef405fa, -/* 0x0535: main_not_ctx_xfer */ - 0x10ef94d3, - 0xf501f5f0, - 0xf4037e21, -/* 0x0542: ih */ - 0x80f9c60e, - 0xf90188fe, - 0xf990f980, - 0xf9b0f9a0, - 0xf9e0f9d0, - 0xf104bdf0, - 0xf00200a7, - 0xaacf00a3, - 0x04abc400, - 0xf02c0bf4, - 0xe7f124d7, - 0xe3f01a00, - 0x00eecf00, - 0x1900f7f1, - 0xcf00f3f0, - 0x21f400ff, - 0x01e7f004, - 0x1d0007f1, - 0xd00003f0, - 0x04bd000e, -/* 0x0590: ih_no_fifo */ - 0x010007f1, - 0xd00003f0, - 0x04bd000a, - 0xe0fcf0fc, - 0xb0fcd0fc, - 0x90fca0fc, - 0x88fe80fc, - 0xf480fc00, - 0x01f80032, -/* 0x05b4: hub_barrier_done */ - 0x9801f7f0, - 0xfebb040e, - 0x02ffb904, - 0x9418e7f1, - 0xf440e3f0, - 0x00f89d21, -/* 0x05cc: ctx_redswitch */ - 0xf120f7f0, + 0xb60825b6, + 0x20b60635, + 0x0130b601, + 0xb60824b6, + 0x2fb90834, + 0xd321f502, + 0x002fbb02, + 0xf1003fbb, + 0xf0010007, + 0x03d00203, + 0xbd04bd00, + 0x1f29f024, + 0x080007f1, + 0xd00203f0, + 0x04bd0002, +/* 0x0508: main */ + 0xf40031f4, + 0xd7f00028, + 0x3921f424, + 0xb0f401f4, + 0x18f404e4, + 0x0181fe1e, + 0xbd0627f0, + 0x0412fd20, + 0xfd01e4b6, + 0x18fe051e, + 0xfd21f500, + 0xd30ef405, +/* 0x0538: main_not_ctx_xfer */ + 0xf010ef94, + 0x21f501f5, + 0x0ef4037e, +/* 0x0545: ih */ + 0xfe80f9c6, + 0x80f90188, + 0xa0f990f9, + 0xd0f9b0f9, + 0xf0f9e0f9, + 0xa7f104bd, + 0xa3f00200, + 0x00aacf00, + 0xf404abc4, + 0xd7f02c0b, + 0x00e7f124, + 0x00e3f01a, + 0xf100eecf, + 0xf01900f7, + 0xffcf00f3, + 0x0421f400, + 0xf101e7f0, + 0xf01d0007, + 0x0ed00003, +/* 0x0593: ih_no_fifo */ + 0xf104bd00, + 0xf0010007, + 0x0ad00003, + 0xfc04bd00, + 0xfce0fcf0, + 0xfcb0fcd0, + 0xfc90fca0, + 0x0088fe80, + 0x32f480fc, +/* 0x05b7: hub_barrier_done */ + 0xf001f800, + 0x0e9801f7, + 0x04febb04, + 0xf102ffb9, + 0xf09418e7, + 0x21f440e3, +/* 0x05cf: ctx_redswitch */ + 0xf000f89d, + 0x07f120f7, + 0x03f08500, + 0x000fd001, + 0xe7f004bd, +/* 0x05e1: ctx_redswitch_delay */ + 0x01e2b608, + 0xf1fd1bf4, + 0xf10800f5, + 0xf10200f5, 0xf0850007, 0x0fd00103, - 0xf004bd00, -/* 0x05de: ctx_redswitch_delay */ - 0xe2b608e7, - 0xfd1bf401, - 0x0800f5f1, - 0x0200f5f1, - 0x850007f1, - 0xd00103f0, - 0x04bd000f, -/* 0x05fa: ctx_xfer */ - 0x07f100f8, - 0x03f08100, - 0x000fd002, - 0x11f404bd, - 0xcc21f507, -/* 0x060d: ctx_xfer_not_load */ - 0x6a21f505, - 0xf124bd02, - 0xf047fc07, - 0x02d00203, - 0xf004bd00, - 0x20b6012c, - 0xfc07f103, - 0x0203f04a, - 0xbd0002d0, - 0x01acf004, - 0xf102a5f0, - 0xf00000b7, - 0x0c9850b3, - 0x0fc4b604, - 0x9800bcbb, - 0x0d98000c, - 0x00e7f001, - 0x016f21f5, - 0xf101acf0, - 0xf04000b7, - 0x0c9850b3, - 0x0fc4b604, - 0x9800bcbb, - 0x0d98010c, - 0x060f9802, - 0x0800e7f1, - 0x016f21f5, + 0xf804bd00, +/* 0x05fd: ctx_xfer */ + 0x0007f100, + 0x0203f081, + 0xbd000fd0, + 0x0711f404, + 0x05cf21f5, +/* 0x0610: ctx_xfer_not_load */ + 0x026a21f5, + 0x07f124bd, + 0x03f047fc, + 0x0002d002, + 0x2cf004bd, + 0x0320b601, + 0x4afc07f1, + 0xd00203f0, + 0x04bd0002, 0xf001acf0, - 0xb7f104a5, - 0xb3f03000, + 0xb7f102a5, + 0xb3f00000, 0x040c9850, 0xbb0fc4b6, 0x0c9800bc, - 0x030d9802, - 0xf1080f98, - 0xf50200e7, - 0xf5016f21, - 0xf4025e21, - 0x12f40601, -/* 0x06a9: ctx_xfer_post */ - 0x7f21f507, -/* 0x06ad: ctx_xfer_done */ - 0xb421f502, - 0x0000f805, - 0x00000000, + 0x010d9800, + 0xf500e7f0, + 0xf0016f21, + 0xb7f101ac, + 0xb3f04000, + 0x040c9850, + 0xbb0fc4b6, + 0x0c9800bc, + 0x020d9801, + 0xf1060f98, + 0xf50800e7, + 0xf0016f21, + 0xa5f001ac, + 0x00b7f104, + 0x50b3f030, + 0xb6040c98, + 0xbcbb0fc4, + 0x020c9800, + 0x98030d98, + 0xe7f1080f, + 0x21f50200, + 0x21f5016f, + 0x01f4025e, + 0x0712f406, +/* 0x06ac: ctx_xfer_post */ + 0x027f21f5, +/* 0x06b0: ctx_xfer_done */ + 0x05b721f5, + 0x000000f8, 0x00000000, 0x00000000, 0x00000000, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h index 2f596433c222..911976d20940 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h @@ -314,7 +314,7 @@ uint32_t gk104_grgpc_code[] = { 0x03f01200, 0x0002d000, 0x17f104bd, - 0x10fe0542, + 0x10fe0545, 0x0007f100, 0x0003f007, 0xbd0000d0, @@ -338,184 +338,184 @@ uint32_t gk104_grgpc_code[] = { 0x02d00103, 0xf104bd00, 0xf00c30e7, - 0x24bd50e3, - 0x44bd34bd, -/* 0x0430: init_unk_loop */ - 0xb06821f4, - 0x0bf400f6, - 0x01f7f00f, - 0xfd04f2bb, - 0x30b6054f, -/* 0x0445: init_unk_next */ - 0x0120b601, - 0xb004e0b6, - 0x1bf40126, -/* 0x0451: init_unk_done */ - 0x070380e2, - 0xf1080480, - 0xf0010027, - 0x22cf0223, - 0x9534bd00, - 0x07f10825, - 0x03f0c000, - 0x0005d001, - 0x07f104bd, - 0x03f0c100, - 0x0005d001, - 0x0e9804bd, - 0x010f9800, - 0x015021f5, - 0xbb002fbb, - 0x0e98003f, - 0x020f9801, - 0x015021f5, - 0xfd050e98, - 0x2ebb00ef, - 0x003ebb00, - 0x98020e98, - 0x21f5030f, - 0x0e980150, - 0x00effd07, - 0xbb002ebb, - 0x35b6003e, - 0x0007f102, - 0x0103f0d3, - 0xbd0003d0, - 0x0825b604, - 0xb60635b6, - 0x30b60120, - 0x0824b601, - 0xb90834b6, - 0x21f5022f, - 0x2fbb02d3, - 0x003fbb00, - 0x010007f1, - 0xd00203f0, + 0xe5f050e3, + 0xbd24bd01, +/* 0x0433: init_unk_loop */ + 0xf444bd34, + 0xf6b06821, + 0x0f0bf400, + 0xbb01f7f0, + 0x4ffd04f2, + 0x0130b605, +/* 0x0448: init_unk_next */ + 0xb60120b6, + 0x26b004e0, + 0xe21bf401, +/* 0x0454: init_unk_done */ + 0x80070380, + 0x27f10804, + 0x23f00100, + 0x0022cf02, + 0x259534bd, + 0x0007f108, + 0x0103f0c0, + 0xbd0005d0, + 0x0007f104, + 0x0103f0c1, + 0xbd0005d0, + 0x000e9804, + 0xf5010f98, + 0xbb015021, + 0x3fbb002f, + 0x010e9800, + 0xf5020f98, + 0x98015021, + 0xeffd050e, + 0x002ebb00, + 0x98003ebb, + 0x0f98020e, + 0x5021f503, + 0x070e9801, + 0xbb00effd, + 0x3ebb002e, + 0x0235b600, + 0xd30007f1, + 0xd00103f0, 0x04bd0003, - 0x29f024bd, - 0x0007f11f, - 0x0203f008, - 0xbd0002d0, -/* 0x0505: main */ - 0x0031f404, - 0xf00028f4, - 0x21f424d7, - 0xf401f439, - 0xf404e4b0, - 0x81fe1e18, - 0x0627f001, - 0x12fd20bd, - 0x01e4b604, - 0xfe051efd, - 0x21f50018, - 0x0ef405fa, -/* 0x0535: main_not_ctx_xfer */ - 0x10ef94d3, - 0xf501f5f0, - 0xf4037e21, -/* 0x0542: ih */ - 0x80f9c60e, - 0xf90188fe, - 0xf990f980, - 0xf9b0f9a0, - 0xf9e0f9d0, - 0xf104bdf0, - 0xf00200a7, - 0xaacf00a3, - 0x04abc400, - 0xf02c0bf4, - 0xe7f124d7, - 0xe3f01a00, - 0x00eecf00, - 0x1900f7f1, - 0xcf00f3f0, - 0x21f400ff, - 0x01e7f004, - 0x1d0007f1, - 0xd00003f0, - 0x04bd000e, -/* 0x0590: ih_no_fifo */ - 0x010007f1, - 0xd00003f0, - 0x04bd000a, - 0xe0fcf0fc, - 0xb0fcd0fc, - 0x90fca0fc, - 0x88fe80fc, - 0xf480fc00, - 0x01f80032, -/* 0x05b4: hub_barrier_done */ - 0x9801f7f0, - 0xfebb040e, - 0x02ffb904, - 0x9418e7f1, - 0xf440e3f0, - 0x00f89d21, -/* 0x05cc: ctx_redswitch */ - 0xf120f7f0, + 0xb60825b6, + 0x20b60635, + 0x0130b601, + 0xb60824b6, + 0x2fb90834, + 0xd321f502, + 0x002fbb02, + 0xf1003fbb, + 0xf0010007, + 0x03d00203, + 0xbd04bd00, + 0x1f29f024, + 0x080007f1, + 0xd00203f0, + 0x04bd0002, +/* 0x0508: main */ + 0xf40031f4, + 0xd7f00028, + 0x3921f424, + 0xb0f401f4, + 0x18f404e4, + 0x0181fe1e, + 0xbd0627f0, + 0x0412fd20, + 0xfd01e4b6, + 0x18fe051e, + 0xfd21f500, + 0xd30ef405, +/* 0x0538: main_not_ctx_xfer */ + 0xf010ef94, + 0x21f501f5, + 0x0ef4037e, +/* 0x0545: ih */ + 0xfe80f9c6, + 0x80f90188, + 0xa0f990f9, + 0xd0f9b0f9, + 0xf0f9e0f9, + 0xa7f104bd, + 0xa3f00200, + 0x00aacf00, + 0xf404abc4, + 0xd7f02c0b, + 0x00e7f124, + 0x00e3f01a, + 0xf100eecf, + 0xf01900f7, + 0xffcf00f3, + 0x0421f400, + 0xf101e7f0, + 0xf01d0007, + 0x0ed00003, +/* 0x0593: ih_no_fifo */ + 0xf104bd00, + 0xf0010007, + 0x0ad00003, + 0xfc04bd00, + 0xfce0fcf0, + 0xfcb0fcd0, + 0xfc90fca0, + 0x0088fe80, + 0x32f480fc, +/* 0x05b7: hub_barrier_done */ + 0xf001f800, + 0x0e9801f7, + 0x04febb04, + 0xf102ffb9, + 0xf09418e7, + 0x21f440e3, +/* 0x05cf: ctx_redswitch */ + 0xf000f89d, + 0x07f120f7, + 0x03f08500, + 0x000fd001, + 0xe7f004bd, +/* 0x05e1: ctx_redswitch_delay */ + 0x01e2b608, + 0xf1fd1bf4, + 0xf10800f5, + 0xf10200f5, 0xf0850007, 0x0fd00103, - 0xf004bd00, -/* 0x05de: ctx_redswitch_delay */ - 0xe2b608e7, - 0xfd1bf401, - 0x0800f5f1, - 0x0200f5f1, - 0x850007f1, - 0xd00103f0, - 0x04bd000f, -/* 0x05fa: ctx_xfer */ - 0x07f100f8, - 0x03f08100, - 0x000fd002, - 0x11f404bd, - 0xcc21f507, -/* 0x060d: ctx_xfer_not_load */ - 0x6a21f505, - 0xf124bd02, - 0xf047fc07, - 0x02d00203, - 0xf004bd00, - 0x20b6012c, - 0xfc07f103, - 0x0203f04a, - 0xbd0002d0, - 0x01acf004, - 0xf102a5f0, - 0xf00000b7, - 0x0c9850b3, - 0x0fc4b604, - 0x9800bcbb, - 0x0d98000c, - 0x00e7f001, - 0x016f21f5, - 0xf101acf0, - 0xf04000b7, - 0x0c9850b3, - 0x0fc4b604, - 0x9800bcbb, - 0x0d98010c, - 0x060f9802, - 0x0800e7f1, - 0x016f21f5, + 0xf804bd00, +/* 0x05fd: ctx_xfer */ + 0x0007f100, + 0x0203f081, + 0xbd000fd0, + 0x0711f404, + 0x05cf21f5, +/* 0x0610: ctx_xfer_not_load */ + 0x026a21f5, + 0x07f124bd, + 0x03f047fc, + 0x0002d002, + 0x2cf004bd, + 0x0320b601, + 0x4afc07f1, + 0xd00203f0, + 0x04bd0002, 0xf001acf0, - 0xb7f104a5, - 0xb3f03000, + 0xb7f102a5, + 0xb3f00000, 0x040c9850, 0xbb0fc4b6, 0x0c9800bc, - 0x030d9802, - 0xf1080f98, - 0xf50200e7, - 0xf5016f21, - 0xf4025e21, - 0x12f40601, -/* 0x06a9: ctx_xfer_post */ - 0x7f21f507, -/* 0x06ad: ctx_xfer_done */ - 0xb421f502, - 0x0000f805, - 0x00000000, + 0x010d9800, + 0xf500e7f0, + 0xf0016f21, + 0xb7f101ac, + 0xb3f04000, + 0x040c9850, + 0xbb0fc4b6, + 0x0c9800bc, + 0x020d9801, + 0xf1060f98, + 0xf50800e7, + 0xf0016f21, + 0xa5f001ac, + 0x00b7f104, + 0x50b3f030, + 0xb6040c98, + 0xbcbb0fc4, + 0x020c9800, + 0x98030d98, + 0xe7f1080f, + 0x21f50200, + 0x21f5016f, + 0x01f4025e, + 0x0712f406, +/* 0x06ac: ctx_xfer_post */ + 0x027f21f5, +/* 0x06b0: ctx_xfer_done */ + 0x05b721f5, + 0x000000f8, 0x00000000, 0x00000000, 0x00000000, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h index ee8e54db8fc9..1c6e11b05df2 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h @@ -314,7 +314,7 @@ uint32_t gk110_grgpc_code[] = { 0x03f01200, 0x0002d000, 0x17f104bd, - 0x10fe0542, + 0x10fe0545, 0x0007f100, 0x0003f007, 0xbd0000d0, @@ -338,184 +338,184 @@ uint32_t gk110_grgpc_code[] = { 0x02d00103, 0xf104bd00, 0xf00c30e7, - 0x24bd50e3, - 0x44bd34bd, -/* 0x0430: init_unk_loop */ - 0xb06821f4, - 0x0bf400f6, - 0x01f7f00f, - 0xfd04f2bb, - 0x30b6054f, -/* 0x0445: init_unk_next */ - 0x0120b601, - 0xb004e0b6, - 0x1bf40226, -/* 0x0451: init_unk_done */ - 0x070380e2, - 0xf1080480, - 0xf0010027, - 0x22cf0223, - 0x9534bd00, - 0x07f10825, - 0x03f0c000, - 0x0005d001, - 0x07f104bd, - 0x03f0c100, - 0x0005d001, - 0x0e9804bd, - 0x010f9800, - 0x015021f5, - 0xbb002fbb, - 0x0e98003f, - 0x020f9801, - 0x015021f5, - 0xfd050e98, - 0x2ebb00ef, - 0x003ebb00, - 0x98020e98, - 0x21f5030f, - 0x0e980150, - 0x00effd07, - 0xbb002ebb, - 0x35b6003e, - 0x0007f102, - 0x0103f0d3, - 0xbd0003d0, - 0x0825b604, - 0xb60635b6, - 0x30b60120, - 0x0824b601, - 0xb90834b6, - 0x21f5022f, - 0x2fbb02d3, - 0x003fbb00, - 0x010007f1, - 0xd00203f0, + 0xe5f050e3, + 0xbd24bd01, +/* 0x0433: init_unk_loop */ + 0xf444bd34, + 0xf6b06821, + 0x0f0bf400, + 0xbb01f7f0, + 0x4ffd04f2, + 0x0130b605, +/* 0x0448: init_unk_next */ + 0xb60120b6, + 0x26b004e0, + 0xe21bf402, +/* 0x0454: init_unk_done */ + 0x80070380, + 0x27f10804, + 0x23f00100, + 0x0022cf02, + 0x259534bd, + 0x0007f108, + 0x0103f0c0, + 0xbd0005d0, + 0x0007f104, + 0x0103f0c1, + 0xbd0005d0, + 0x000e9804, + 0xf5010f98, + 0xbb015021, + 0x3fbb002f, + 0x010e9800, + 0xf5020f98, + 0x98015021, + 0xeffd050e, + 0x002ebb00, + 0x98003ebb, + 0x0f98020e, + 0x5021f503, + 0x070e9801, + 0xbb00effd, + 0x3ebb002e, + 0x0235b600, + 0xd30007f1, + 0xd00103f0, 0x04bd0003, - 0x29f024bd, - 0x0007f11f, - 0x0203f030, - 0xbd0002d0, -/* 0x0505: main */ - 0x0031f404, - 0xf00028f4, - 0x21f424d7, - 0xf401f439, - 0xf404e4b0, - 0x81fe1e18, - 0x0627f001, - 0x12fd20bd, - 0x01e4b604, - 0xfe051efd, - 0x21f50018, - 0x0ef405fa, -/* 0x0535: main_not_ctx_xfer */ - 0x10ef94d3, - 0xf501f5f0, - 0xf4037e21, -/* 0x0542: ih */ - 0x80f9c60e, - 0xf90188fe, - 0xf990f980, - 0xf9b0f9a0, - 0xf9e0f9d0, - 0xf104bdf0, - 0xf00200a7, - 0xaacf00a3, - 0x04abc400, - 0xf02c0bf4, - 0xe7f124d7, - 0xe3f01a00, - 0x00eecf00, - 0x1900f7f1, - 0xcf00f3f0, - 0x21f400ff, - 0x01e7f004, - 0x1d0007f1, - 0xd00003f0, - 0x04bd000e, -/* 0x0590: ih_no_fifo */ - 0x010007f1, - 0xd00003f0, - 0x04bd000a, - 0xe0fcf0fc, - 0xb0fcd0fc, - 0x90fca0fc, - 0x88fe80fc, - 0xf480fc00, - 0x01f80032, -/* 0x05b4: hub_barrier_done */ - 0x9801f7f0, - 0xfebb040e, - 0x02ffb904, - 0x9418e7f1, - 0xf440e3f0, - 0x00f89d21, -/* 0x05cc: ctx_redswitch */ - 0xf120f7f0, + 0xb60825b6, + 0x20b60635, + 0x0130b601, + 0xb60824b6, + 0x2fb90834, + 0xd321f502, + 0x002fbb02, + 0xf1003fbb, + 0xf0010007, + 0x03d00203, + 0xbd04bd00, + 0x1f29f024, + 0x300007f1, + 0xd00203f0, + 0x04bd0002, +/* 0x0508: main */ + 0xf40031f4, + 0xd7f00028, + 0x3921f424, + 0xb0f401f4, + 0x18f404e4, + 0x0181fe1e, + 0xbd0627f0, + 0x0412fd20, + 0xfd01e4b6, + 0x18fe051e, + 0xfd21f500, + 0xd30ef405, +/* 0x0538: main_not_ctx_xfer */ + 0xf010ef94, + 0x21f501f5, + 0x0ef4037e, +/* 0x0545: ih */ + 0xfe80f9c6, + 0x80f90188, + 0xa0f990f9, + 0xd0f9b0f9, + 0xf0f9e0f9, + 0xa7f104bd, + 0xa3f00200, + 0x00aacf00, + 0xf404abc4, + 0xd7f02c0b, + 0x00e7f124, + 0x00e3f01a, + 0xf100eecf, + 0xf01900f7, + 0xffcf00f3, + 0x0421f400, + 0xf101e7f0, + 0xf01d0007, + 0x0ed00003, +/* 0x0593: ih_no_fifo */ + 0xf104bd00, + 0xf0010007, + 0x0ad00003, + 0xfc04bd00, + 0xfce0fcf0, + 0xfcb0fcd0, + 0xfc90fca0, + 0x0088fe80, + 0x32f480fc, +/* 0x05b7: hub_barrier_done */ + 0xf001f800, + 0x0e9801f7, + 0x04febb04, + 0xf102ffb9, + 0xf09418e7, + 0x21f440e3, +/* 0x05cf: ctx_redswitch */ + 0xf000f89d, + 0x07f120f7, + 0x03f08500, + 0x000fd001, + 0xe7f004bd, +/* 0x05e1: ctx_redswitch_delay */ + 0x01e2b608, + 0xf1fd1bf4, + 0xf10800f5, + 0xf10200f5, 0xf0850007, 0x0fd00103, - 0xf004bd00, -/* 0x05de: ctx_redswitch_delay */ - 0xe2b608e7, - 0xfd1bf401, - 0x0800f5f1, - 0x0200f5f1, - 0x850007f1, - 0xd00103f0, - 0x04bd000f, -/* 0x05fa: ctx_xfer */ - 0x07f100f8, - 0x03f08100, - 0x000fd002, - 0x11f404bd, - 0xcc21f507, -/* 0x060d: ctx_xfer_not_load */ - 0x6a21f505, - 0xf124bd02, - 0xf047fc07, - 0x02d00203, - 0xf004bd00, - 0x20b6012c, - 0xfc07f103, - 0x0203f04a, - 0xbd0002d0, - 0x01acf004, - 0xf102a5f0, - 0xf00000b7, - 0x0c9850b3, - 0x0fc4b604, - 0x9800bcbb, - 0x0d98000c, - 0x00e7f001, - 0x016f21f5, - 0xf101acf0, - 0xf04000b7, - 0x0c9850b3, - 0x0fc4b604, - 0x9800bcbb, - 0x0d98010c, - 0x060f9802, - 0x0800e7f1, - 0x016f21f5, + 0xf804bd00, +/* 0x05fd: ctx_xfer */ + 0x0007f100, + 0x0203f081, + 0xbd000fd0, + 0x0711f404, + 0x05cf21f5, +/* 0x0610: ctx_xfer_not_load */ + 0x026a21f5, + 0x07f124bd, + 0x03f047fc, + 0x0002d002, + 0x2cf004bd, + 0x0320b601, + 0x4afc07f1, + 0xd00203f0, + 0x04bd0002, 0xf001acf0, - 0xb7f104a5, - 0xb3f03000, + 0xb7f102a5, + 0xb3f00000, 0x040c9850, 0xbb0fc4b6, 0x0c9800bc, - 0x030d9802, - 0xf1080f98, - 0xf50200e7, - 0xf5016f21, - 0xf4025e21, - 0x12f40601, -/* 0x06a9: ctx_xfer_post */ - 0x7f21f507, -/* 0x06ad: ctx_xfer_done */ - 0xb421f502, - 0x0000f805, - 0x00000000, + 0x010d9800, + 0xf500e7f0, + 0xf0016f21, + 0xb7f101ac, + 0xb3f04000, + 0x040c9850, + 0xbb0fc4b6, + 0x0c9800bc, + 0x020d9801, + 0xf1060f98, + 0xf50800e7, + 0xf0016f21, + 0xa5f001ac, + 0x00b7f104, + 0x50b3f030, + 0xb6040c98, + 0xbcbb0fc4, + 0x020c9800, + 0x98030d98, + 0xe7f1080f, + 0x21f50200, + 0x21f5016f, + 0x01f4025e, + 0x0712f406, +/* 0x06ac: ctx_xfer_post */ + 0x027f21f5, +/* 0x06b0: ctx_xfer_done */ + 0x05b721f5, + 0x000000f8, 0x00000000, 0x00000000, 0x00000000, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h index fbcc342f896f..84af7ec6a78e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h @@ -276,7 +276,7 @@ uint32_t gk208_grgpc_code[] = { 0x02020014, 0xf6120040, 0x04bd0002, - 0xfe048141, + 0xfe048441, 0x00400010, 0x0000f607, 0x040204bd, @@ -295,165 +295,165 @@ uint32_t gk208_grgpc_code[] = { 0x01c90080, 0xbd0002f6, 0x0c308e04, - 0xbd24bd50, -/* 0x0383: init_unk_loop */ - 0x7e44bd34, - 0xb0000065, - 0x0bf400f6, - 0xbb010f0e, - 0x4ffd04f2, - 0x0130b605, -/* 0x0398: init_unk_next */ - 0xb60120b6, - 0x26b004e0, - 0xe21bf401, -/* 0x03a4: init_unk_done */ - 0xb50703b5, - 0x00820804, - 0x22cf0201, - 0x9534bd00, - 0x00800825, - 0x05f601c0, - 0x8004bd00, - 0xf601c100, - 0x04bd0005, - 0x98000e98, - 0x207e010f, - 0x2fbb0001, - 0x003fbb00, - 0x98010e98, - 0x207e020f, - 0x0e980001, - 0x00effd05, - 0xbb002ebb, - 0x0e98003e, - 0x030f9802, - 0x0001207e, - 0xfd070e98, - 0x2ebb00ef, - 0x003ebb00, - 0x800235b6, - 0xf601d300, - 0x04bd0003, - 0xb60825b6, - 0x20b60635, - 0x0130b601, - 0xb60824b6, - 0x2fb20834, - 0x0002687e, - 0xbb002fbb, - 0x0080003f, - 0x03f60201, - 0xbd04bd00, - 0x1f29f024, - 0x02300080, - 0xbd0002f6, -/* 0x0445: main */ - 0x0031f404, - 0x0d0028f4, - 0x00377e24, - 0xf401f400, - 0xf404e4b0, - 0x81fe1d18, - 0xbd060201, - 0x0412fd20, - 0xfd01e4b6, - 0x18fe051e, - 0x05187e00, - 0xd40ef400, -/* 0x0474: main_not_ctx_xfer */ - 0xf010ef94, - 0xf87e01f5, - 0x0ef40002, -/* 0x0481: ih */ - 0xfe80f9c7, - 0x80f90188, - 0xa0f990f9, - 0xd0f9b0f9, - 0xf0f9e0f9, - 0x004a04bd, - 0x00aacf02, - 0xf404abc4, - 0x240d1f0b, - 0xcf1a004e, - 0x004f00ee, - 0x00ffcf19, - 0x0000047e, - 0x0040010e, - 0x000ef61d, -/* 0x04be: ih_no_fifo */ - 0x004004bd, - 0x000af601, - 0xf0fc04bd, - 0xd0fce0fc, - 0xa0fcb0fc, - 0x80fc90fc, - 0xfc0088fe, - 0x0032f480, -/* 0x04de: hub_barrier_done */ - 0x010f01f8, - 0xbb040e98, - 0xffb204fe, - 0x4094188e, - 0x00008f7e, -/* 0x04f2: ctx_redswitch */ - 0x200f00f8, + 0x01e5f050, + 0x34bd24bd, +/* 0x0386: init_unk_loop */ + 0x657e44bd, + 0xf6b00000, + 0x0e0bf400, + 0xf2bb010f, + 0x054ffd04, +/* 0x039b: init_unk_next */ + 0xb60130b6, + 0xe0b60120, + 0x0126b004, +/* 0x03a7: init_unk_done */ + 0xb5e21bf4, + 0x04b50703, + 0x01008208, + 0x0022cf02, + 0x259534bd, + 0xc0008008, + 0x0005f601, + 0x008004bd, + 0x05f601c1, + 0x9804bd00, + 0x0f98000e, + 0x01207e01, + 0x002fbb00, + 0x98003fbb, + 0x0f98010e, + 0x01207e02, + 0x050e9800, + 0xbb00effd, + 0x3ebb002e, + 0x020e9800, + 0x7e030f98, + 0x98000120, + 0xeffd070e, + 0x002ebb00, + 0xb6003ebb, + 0x00800235, + 0x03f601d3, + 0xb604bd00, + 0x35b60825, + 0x0120b606, + 0xb60130b6, + 0x34b60824, + 0x7e2fb208, + 0xbb000268, + 0x3fbb002f, + 0x01008000, + 0x0003f602, + 0x24bd04bd, + 0x801f29f0, + 0xf6023000, + 0x04bd0002, +/* 0x0448: main */ + 0xf40031f4, + 0x240d0028, + 0x0000377e, + 0xb0f401f4, + 0x18f404e4, + 0x0181fe1d, + 0x20bd0602, + 0xb60412fd, + 0x1efd01e4, + 0x0018fe05, + 0x00051b7e, +/* 0x0477: main_not_ctx_xfer */ + 0x94d40ef4, + 0xf5f010ef, + 0x02f87e01, + 0xc70ef400, +/* 0x0484: ih */ + 0x88fe80f9, + 0xf980f901, + 0xf9a0f990, + 0xf9d0f9b0, + 0xbdf0f9e0, + 0x02004a04, + 0xc400aacf, + 0x0bf404ab, + 0x4e240d1f, + 0xeecf1a00, + 0x19004f00, + 0x7e00ffcf, + 0x0e000004, + 0x1d004001, + 0xbd000ef6, +/* 0x04c1: ih_no_fifo */ + 0x01004004, + 0xbd000af6, + 0xfcf0fc04, + 0xfcd0fce0, + 0xfca0fcb0, + 0xfe80fc90, + 0x80fc0088, + 0xf80032f4, +/* 0x04e1: hub_barrier_done */ + 0x98010f01, + 0xfebb040e, + 0x8effb204, + 0x7e409418, + 0xf800008f, +/* 0x04f5: ctx_redswitch */ + 0x80200f00, + 0xf6018500, + 0x04bd000f, +/* 0x0502: ctx_redswitch_delay */ + 0xe2b6080e, + 0xfd1bf401, + 0x0800f5f1, + 0x0200f5f1, 0x01850080, 0xbd000ff6, -/* 0x04ff: ctx_redswitch_delay */ - 0xb6080e04, - 0x1bf401e2, - 0x00f5f1fd, - 0x00f5f108, - 0x85008002, - 0x000ff601, - 0x00f804bd, -/* 0x0518: ctx_xfer */ - 0x02810080, - 0xbd000ff6, - 0x0711f404, - 0x0004f27e, -/* 0x0528: ctx_xfer_not_load */ - 0x0002167e, - 0xfc8024bd, - 0x02f60247, - 0xf004bd00, - 0x20b6012c, - 0x4afc8003, +/* 0x051b: ctx_xfer */ + 0x8000f804, + 0xf6028100, + 0x04bd000f, + 0x7e0711f4, +/* 0x052b: ctx_xfer_not_load */ + 0x7e0004f5, + 0xbd000216, + 0x47fc8024, 0x0002f602, - 0xacf004bd, - 0x02a5f001, - 0x5000008b, - 0xb6040c98, - 0xbcbb0fc4, - 0x000c9800, - 0x0e010d98, - 0x013d7e00, - 0x01acf000, - 0x5040008b, - 0xb6040c98, - 0xbcbb0fc4, - 0x010c9800, - 0x98020d98, - 0x004e060f, - 0x013d7e08, - 0x01acf000, - 0x8b04a5f0, - 0x98503000, + 0x2cf004bd, + 0x0320b601, + 0x024afc80, + 0xbd0002f6, + 0x01acf004, + 0x8b02a5f0, + 0x98500000, 0xc4b6040c, 0x00bcbb0f, - 0x98020c98, - 0x0f98030d, - 0x02004e08, + 0x98000c98, + 0x000e010d, 0x00013d7e, - 0x00020a7e, - 0xf40601f4, -/* 0x05b2: ctx_xfer_post */ - 0x277e0712, -/* 0x05b6: ctx_xfer_done */ - 0xde7e0002, - 0x00f80004, - 0x00000000, + 0x8b01acf0, + 0x98504000, + 0xc4b6040c, + 0x00bcbb0f, + 0x98010c98, + 0x0f98020d, + 0x08004e06, + 0x00013d7e, + 0xf001acf0, + 0x008b04a5, + 0x0c985030, + 0x0fc4b604, + 0x9800bcbb, + 0x0d98020c, + 0x080f9803, + 0x7e02004e, + 0x7e00013d, + 0xf400020a, + 0x12f40601, +/* 0x05b5: ctx_xfer_post */ + 0x02277e07, +/* 0x05b9: ctx_xfer_done */ + 0x04e17e00, + 0x0000f800, 0x00000000, 0x00000000, 0x00000000, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h index 51f5c3c6e966..11bf363a6ae9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h @@ -289,7 +289,7 @@ uint32_t gm107_grgpc_code[] = { 0x020014fe, 0x12004002, 0xbd0002f6, - 0x05b04104, + 0x05b34104, 0x400010fe, 0x00f60700, 0x0204bd00, @@ -308,259 +308,259 @@ uint32_t gm107_grgpc_code[] = { 0xc900800f, 0x0002f601, 0x308e04bd, - 0x24bd500c, - 0x44bd34bd, -/* 0x03b0: init_unk_loop */ - 0x0000657e, - 0xf400f6b0, - 0x010f0e0b, - 0xfd04f2bb, - 0x30b6054f, -/* 0x03c5: init_unk_next */ - 0x0120b601, - 0xb004e0b6, - 0x1bf40226, -/* 0x03d1: init_unk_done */ - 0x0703b5e2, - 0x820804b5, - 0xcf020100, - 0x34bd0022, - 0x80082595, - 0xf601c000, + 0xe5f0500c, + 0xbd24bd01, +/* 0x03b3: init_unk_loop */ + 0x7e44bd34, + 0xb0000065, + 0x0bf400f6, + 0xbb010f0e, + 0x4ffd04f2, + 0x0130b605, +/* 0x03c8: init_unk_next */ + 0xb60120b6, + 0x26b004e0, + 0xe21bf402, +/* 0x03d4: init_unk_done */ + 0xb50703b5, + 0x00820804, + 0x22cf0201, + 0x9534bd00, + 0x00800825, + 0x05f601c0, + 0x8004bd00, + 0xf601c100, 0x04bd0005, - 0x01c10080, - 0xbd0005f6, - 0x000e9804, - 0x7e010f98, - 0xbb000120, - 0x3fbb002f, - 0x010e9800, - 0x7e020f98, - 0x98000120, - 0xeffd050e, - 0x002ebb00, - 0x98003ebb, - 0x0f98020e, - 0x01207e03, - 0x070e9800, - 0xbb00effd, - 0x3ebb002e, - 0x0235b600, - 0x01d30080, - 0xbd0003f6, - 0x0825b604, - 0xb60635b6, - 0x30b60120, - 0x0824b601, - 0xb20834b6, - 0x02687e2f, - 0x002fbb00, - 0x0f003fbb, - 0x8effb23f, - 0xf0501d60, - 0x8f7e01e5, - 0x0c0f0000, - 0xa88effb2, - 0xe5f0501d, - 0x008f7e01, - 0x03147e00, - 0xb23f0f00, - 0x1d608eff, - 0x01e5f050, - 0x00008f7e, - 0xffb2000f, - 0x501d9c8e, - 0x7e01e5f0, - 0x0f00008f, - 0x03147e01, - 0x8effb200, + 0x98000e98, + 0x207e010f, + 0x2fbb0001, + 0x003fbb00, + 0x98010e98, + 0x207e020f, + 0x0e980001, + 0x00effd05, + 0xbb002ebb, + 0x0e98003e, + 0x030f9802, + 0x0001207e, + 0xfd070e98, + 0x2ebb00ef, + 0x003ebb00, + 0x800235b6, + 0xf601d300, + 0x04bd0003, + 0xb60825b6, + 0x20b60635, + 0x0130b601, + 0xb60824b6, + 0x2fb20834, + 0x0002687e, + 0xbb002fbb, + 0x3f0f003f, + 0x501d608e, + 0xb201e5f0, + 0x008f7eff, + 0x8e0c0f00, 0xf0501da8, - 0x8f7e01e5, - 0xff0f0000, - 0x988effb2, + 0xffb201e5, + 0x00008f7e, + 0x0003147e, + 0x608e3f0f, 0xe5f0501d, - 0x008f7e01, - 0xb2020f00, - 0x1da88eff, + 0x7effb201, + 0x0f00008f, + 0x1d9c8e00, 0x01e5f050, - 0x00008f7e, + 0x8f7effb2, + 0x010f0000, 0x0003147e, - 0x85050498, - 0x98504000, - 0x64b60406, - 0x0056bb0f, -/* 0x04e0: tpc_strand_init_tpc_loop */ - 0x05705eb8, - 0x00657e00, - 0xbdf6b200, -/* 0x04ed: tpc_strand_init_idx_loop */ - 0x605eb874, - 0x7fb20005, - 0x00008f7e, - 0x05885eb8, - 0x082f9500, - 0x00008f7e, - 0x058c5eb8, - 0x082f9500, + 0x501da88e, + 0xb201e5f0, + 0x008f7eff, + 0x8eff0f00, + 0xf0501d98, + 0xffb201e5, 0x00008f7e, - 0x05905eb8, - 0x00657e00, - 0x06f5b600, - 0xb601f0b6, - 0x2fbb08f4, - 0x003fbb00, - 0xb60170b6, - 0x1bf40162, - 0x0050b7bf, - 0x0142b608, - 0x0fa81bf4, - 0x8effb23f, - 0xf0501d60, - 0x8f7e01e5, - 0x0d0f0000, - 0xa88effb2, + 0xa88e020f, 0xe5f0501d, - 0x008f7e01, - 0x03147e00, - 0x01008000, - 0x0003f602, - 0x24bd04bd, - 0x801f29f0, - 0xf6023000, - 0x04bd0002, -/* 0x0574: main */ - 0xf40031f4, - 0x240d0028, - 0x0000377e, - 0xb0f401f4, - 0x18f404e4, - 0x0181fe1d, - 0x20bd0602, - 0xb60412fd, - 0x1efd01e4, - 0x0018fe05, - 0x0006477e, -/* 0x05a3: main_not_ctx_xfer */ - 0x94d40ef4, - 0xf5f010ef, - 0x02f87e01, - 0xc70ef400, -/* 0x05b0: ih */ - 0x88fe80f9, - 0xf980f901, - 0xf9a0f990, - 0xf9d0f9b0, - 0xbdf0f9e0, - 0x02004a04, - 0xc400aacf, - 0x0bf404ab, - 0x4e240d1f, - 0xeecf1a00, - 0x19004f00, - 0x7e00ffcf, - 0x0e000004, - 0x1d004001, - 0xbd000ef6, -/* 0x05ed: ih_no_fifo */ - 0x01004004, - 0xbd000af6, - 0xfcf0fc04, - 0xfcd0fce0, - 0xfca0fcb0, - 0xfe80fc90, - 0x80fc0088, - 0xf80032f4, -/* 0x060d: hub_barrier_done */ - 0x98010f01, - 0xfebb040e, - 0x8effb204, - 0x7e409418, - 0xf800008f, -/* 0x0621: ctx_redswitch */ - 0x80200f00, + 0x7effb201, + 0x7e00008f, + 0x98000314, + 0x00850504, + 0x06985040, + 0x0f64b604, +/* 0x04e3: tpc_strand_init_tpc_loop */ + 0xb80056bb, + 0x0005705e, + 0x0000657e, + 0x74bdf6b2, +/* 0x04f0: tpc_strand_init_idx_loop */ + 0x05605eb8, + 0x7e7fb200, + 0xb800008f, + 0x0005885e, + 0x7e082f95, + 0xb800008f, + 0x00058c5e, + 0x7e082f95, + 0xb800008f, + 0x0005905e, + 0x0000657e, + 0xb606f5b6, + 0xf4b601f0, + 0x002fbb08, + 0xb6003fbb, + 0x62b60170, + 0xbf1bf401, + 0x080050b7, + 0xf40142b6, + 0x3f0fa81b, + 0x501d608e, + 0xb201e5f0, + 0x008f7eff, + 0x8e0d0f00, + 0xf0501da8, + 0xffb201e5, + 0x00008f7e, + 0x0003147e, + 0x02010080, + 0xbd0003f6, + 0xf024bd04, + 0x00801f29, + 0x02f60230, +/* 0x0577: main */ + 0xf404bd00, + 0x28f40031, + 0x7e240d00, + 0xf4000037, + 0xe4b0f401, + 0x1d18f404, + 0x020181fe, + 0xfd20bd06, + 0xe4b60412, + 0x051efd01, + 0x7e0018fe, + 0xf400064a, +/* 0x05a6: main_not_ctx_xfer */ + 0xef94d40e, + 0x01f5f010, + 0x0002f87e, +/* 0x05b3: ih */ + 0xf9c70ef4, + 0x0188fe80, + 0x90f980f9, + 0xb0f9a0f9, + 0xe0f9d0f9, + 0x04bdf0f9, + 0xcf02004a, + 0xabc400aa, + 0x1f0bf404, + 0x004e240d, + 0x00eecf1a, + 0xcf19004f, + 0x047e00ff, + 0x010e0000, + 0xf61d0040, + 0x04bd000e, +/* 0x05f0: ih_no_fifo */ + 0xf6010040, + 0x04bd000a, + 0xe0fcf0fc, + 0xb0fcd0fc, + 0x90fca0fc, + 0x88fe80fc, + 0xf480fc00, + 0x01f80032, +/* 0x0610: hub_barrier_done */ + 0x0e98010f, + 0x04febb04, + 0x188effb2, + 0x8f7e4094, + 0x00f80000, +/* 0x0624: ctx_redswitch */ + 0x0080200f, + 0x0ff60185, + 0x0e04bd00, +/* 0x0631: ctx_redswitch_delay */ + 0x01e2b608, + 0xf1fd1bf4, + 0xf10800f5, + 0x800200f5, 0xf6018500, 0x04bd000f, -/* 0x062e: ctx_redswitch_delay */ - 0xe2b6080e, - 0xfd1bf401, - 0x0800f5f1, - 0x0200f5f1, - 0x01850080, - 0xbd000ff6, -/* 0x0647: ctx_xfer */ - 0x8000f804, - 0xf6028100, - 0x04bd000f, - 0xc48effb2, - 0xe5f0501d, - 0x008f7e01, - 0x0711f400, - 0x0006217e, -/* 0x0664: ctx_xfer_not_load */ - 0x0002167e, - 0xfc8024bd, - 0x02f60247, - 0xf004bd00, - 0x20b6012c, - 0x4afc8003, +/* 0x064a: ctx_xfer */ + 0x008000f8, + 0x0ff60281, + 0x8e04bd00, + 0xf0501dc4, + 0xffb201e5, + 0x00008f7e, + 0x7e0711f4, +/* 0x0667: ctx_xfer_not_load */ + 0x7e000624, + 0xbd000216, + 0x47fc8024, 0x0002f602, - 0x0c0f04bd, - 0xa88effb2, - 0xe5f0501d, - 0x008f7e01, - 0x03147e00, - 0xb23f0f00, - 0x1d608eff, - 0x01e5f050, + 0x2cf004bd, + 0x0320b601, + 0x024afc80, + 0xbd0002f6, + 0x8e0c0f04, + 0xf0501da8, + 0xffb201e5, 0x00008f7e, - 0xffb2000f, - 0x501d9c8e, - 0x7e01e5f0, + 0x0003147e, + 0x608e3f0f, + 0xe5f0501d, + 0x7effb201, 0x0f00008f, - 0x03147e01, - 0x01fcf000, - 0xb203f0b6, - 0x1da88eff, + 0x1d9c8e00, 0x01e5f050, - 0x00008f7e, - 0xf001acf0, - 0x008b02a5, - 0x0c985000, - 0x0fc4b604, - 0x9800bcbb, - 0x0d98000c, - 0x7e000e01, - 0xf000013d, - 0x008b01ac, - 0x0c985040, - 0x0fc4b604, - 0x9800bcbb, - 0x0d98010c, - 0x060f9802, - 0x7e08004e, - 0xf000013d, + 0x8f7effb2, + 0x010f0000, + 0x0003147e, + 0xb601fcf0, + 0xa88e03f0, + 0xe5f0501d, + 0x7effb201, + 0xf000008f, 0xa5f001ac, - 0x30008b04, + 0x00008b02, 0x040c9850, 0xbb0fc4b6, 0x0c9800bc, - 0x030d9802, - 0x4e080f98, - 0x3d7e0200, - 0x0a7e0001, - 0x147e0002, - 0x01f40003, - 0x1a12f406, -/* 0x073c: ctx_xfer_post */ - 0x0002277e, - 0xffb20d0f, - 0x501da88e, - 0x7e01e5f0, - 0x7e00008f, -/* 0x0753: ctx_xfer_done */ - 0x7e000314, - 0xf800060d, - 0x00000000, + 0x010d9800, + 0x3d7e000e, + 0xacf00001, + 0x40008b01, + 0x040c9850, + 0xbb0fc4b6, + 0x0c9800bc, + 0x020d9801, + 0x4e060f98, + 0x3d7e0800, + 0xacf00001, + 0x04a5f001, + 0x5030008b, + 0xb6040c98, + 0xbcbb0fc4, + 0x020c9800, + 0x98030d98, + 0x004e080f, + 0x013d7e02, + 0x020a7e00, + 0x03147e00, + 0x0601f400, +/* 0x073f: ctx_xfer_post */ + 0x7e1a12f4, + 0x0f000227, + 0x1da88e0d, + 0x01e5f050, + 0x8f7effb2, + 0x147e0000, +/* 0x0756: ctx_xfer_done */ + 0x107e0003, + 0x00f80006, 0x00000000, 0x00000000, 0x00000000, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index dda7a7d224c9..9f5dfc85147a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -143,7 +143,7 @@ gf100_gr_zbc_depth_get(struct gf100_gr *gr, int format, static int gf100_fermi_mthd_zbc_color(struct nvkm_object *object, void *data, u32 size) { - struct gf100_gr *gr = (void *)object->engine; + struct gf100_gr *gr = gf100_gr(nvkm_gr(object->engine)); union { struct fermi_a_zbc_color_v0 v0; } *args = data; @@ -189,7 +189,7 @@ gf100_fermi_mthd_zbc_color(struct nvkm_object *object, void *data, u32 size) static int gf100_fermi_mthd_zbc_depth(struct nvkm_object *object, void *data, u32 size) { - struct gf100_gr *gr = (void *)object->engine; + struct gf100_gr *gr = gf100_gr(nvkm_gr(object->engine)); union { struct fermi_a_zbc_depth_v0 v0; } *args = data; @@ -1530,6 +1530,8 @@ gf100_gr_oneinit(struct nvkm_gr *base) gr->ppc_nr[i] = gr->func->ppc_nr; for (j = 0; j < gr->ppc_nr[i]; j++) { u8 mask = nvkm_rd32(device, GPC_UNIT(i, 0x0c30 + (j * 4))); + if (mask) + gr->ppc_mask[i] |= (1 << j); gr->ppc_tpc_nr[i][j] = hweight8(mask); } } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h index 4611961b1187..02e78b8d93f6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h @@ -97,6 +97,7 @@ struct gf100_gr { u8 tpc_nr[GPC_MAX]; u8 tpc_total; u8 ppc_nr[GPC_MAX]; + u8 ppc_mask[GPC_MAX]; u8 ppc_tpc_nr[GPC_MAX][4]; struct nvkm_memory *unk4188b4; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c index 895ba74057d4..1d7dd38292b3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/base.c @@ -97,7 +97,9 @@ static void * nvkm_instobj_dtor(struct nvkm_memory *memory) { struct nvkm_instobj *iobj = nvkm_instobj(memory); + spin_lock(&iobj->imem->lock); list_del(&iobj->head); + spin_unlock(&iobj->imem->lock); nvkm_memory_del(&iobj->parent); return iobj; } @@ -190,7 +192,9 @@ nvkm_instobj_new(struct nvkm_instmem *imem, u32 size, u32 align, bool zero, nvkm_memory_ctor(&nvkm_instobj_func_slow, &iobj->memory); iobj->parent = memory; iobj->imem = imem; + spin_lock(&iobj->imem->lock); list_add_tail(&iobj->head, &imem->list); + spin_unlock(&iobj->imem->lock); memory = &iobj->memory; } @@ -309,5 +313,6 @@ nvkm_instmem_ctor(const struct nvkm_instmem_func *func, { nvkm_subdev_ctor(&nvkm_instmem, device, index, 0, &imem->subdev); imem->func = func; + spin_lock_init(&imem->lock); INIT_LIST_HEAD(&imem->list); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c index b61509e26ec9..b735173a18ff 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c @@ -59,7 +59,7 @@ gk104_volt_set(struct nvkm_volt *base, u32 uv) duty = (uv - bios->base) * div / bios->pwm_range; nvkm_wr32(device, 0x20340, div); - nvkm_wr32(device, 0x20344, 0x8000000 | duty); + nvkm_wr32(device, 0x20344, 0x80000000 | duty); return 0; } diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 248953d2fdb7..0154db43860c 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -8472,7 +8472,7 @@ restart_ih: if (queue_dp) schedule_work(&rdev->dp_work); if (queue_hotplug) - schedule_work(&rdev->hotplug_work); + schedule_delayed_work(&rdev->hotplug_work, 0); if (queue_reset) { rdev->needs_reset = true; wake_up_all(&rdev->fence_queue); @@ -9630,6 +9630,9 @@ static void dce8_program_watermarks(struct radeon_device *rdev, (rdev->disp_priority == 2)) { DRM_DEBUG_KMS("force priority to high\n"); } + + /* Save number of lines the linebuffer leads before the scanout */ + radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); } /* select wm A */ diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 7f33767d7ed6..2ad462896896 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2372,6 +2372,9 @@ static void evergreen_program_watermarks(struct radeon_device *rdev, c.full = dfixed_div(c, a); priority_b_mark = dfixed_trunc(c); priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK; + + /* Save number of lines the linebuffer leads before the scanout */ + radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); } /* select wm A */ @@ -5344,7 +5347,7 @@ restart_ih: if (queue_dp) schedule_work(&rdev->dp_work); if (queue_hotplug) - schedule_work(&rdev->hotplug_work); + schedule_delayed_work(&rdev->hotplug_work, 0); if (queue_hdmi) schedule_work(&rdev->audio_work); if (queue_thermal && rdev->pm.dpm_enabled) diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 238b13f045c1..9e7e2bf03b81 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -806,7 +806,7 @@ int r100_irq_process(struct radeon_device *rdev) status = r100_irq_ack(rdev); } if (queue_hotplug) - schedule_work(&rdev->hotplug_work); + schedule_delayed_work(&rdev->hotplug_work, 0); if (rdev->msi_enabled) { switch (rdev->family) { case CHIP_RS400: @@ -3217,6 +3217,9 @@ void r100_bandwidth_update(struct radeon_device *rdev) uint32_t pixel_bytes1 = 0; uint32_t pixel_bytes2 = 0; + /* Guess line buffer size to be 8192 pixels */ + u32 lb_size = 8192; + if (!rdev->mode_info.mode_config_initialized) return; @@ -3631,6 +3634,13 @@ void r100_bandwidth_update(struct radeon_device *rdev) DRM_DEBUG_KMS("GRPH2_BUFFER_CNTL from to %x\n", (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL)); } + + /* Save number of lines the linebuffer leads before the scanout */ + if (mode1) + rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay); + + if (mode2) + rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay); } int r100_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 4ea5b10ff5f4..cc2fdf0be37a 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -4276,7 +4276,7 @@ restart_ih: WREG32(IH_RB_RPTR, rptr); } if (queue_hotplug) - schedule_work(&rdev->hotplug_work); + schedule_delayed_work(&rdev->hotplug_work, 0); if (queue_hdmi) schedule_work(&rdev->audio_work); if (queue_thermal && rdev->pm.dpm_enabled) diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index b6cbd816537e..87db64983ea8 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2414,7 +2414,7 @@ struct radeon_device { struct r600_ih ih; /* r6/700 interrupt ring */ struct radeon_rlc rlc; struct radeon_mec mec; - struct work_struct hotplug_work; + struct delayed_work hotplug_work; struct work_struct dp_work; struct work_struct audio_work; int num_crtc; /* number of crtcs */ diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c index fe994aac3b04..c77d349c561c 100644 --- a/drivers/gpu/drm/radeon/radeon_agp.c +++ b/drivers/gpu/drm/radeon/radeon_agp.c @@ -54,6 +54,9 @@ static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = { /* Intel 82855PM host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #195051) */ { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e50, PCI_VENDOR_ID_IBM, 0x0550, 1}, + /* Intel 82855PM host bridge / RV250/M9 GL [Mobility FireGL 9000/Radeon 9000] needs AGPMode 1 (Thinkpad T40p) */ + { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66, + PCI_VENDOR_ID_IBM, 0x054d, 1}, /* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */ { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57, PCI_VENDOR_ID_IBM, 0x0530, 1}, diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 5a2cafb4f1bc..340f3f549f29 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1234,13 +1234,32 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) if (r < 0) return connector_status_disconnected; + if (radeon_connector->detected_hpd_without_ddc) { + force = true; + radeon_connector->detected_hpd_without_ddc = false; + } + if (!force && radeon_check_hpd_status_unchanged(connector)) { ret = connector->status; goto exit; } - if (radeon_connector->ddc_bus) + if (radeon_connector->ddc_bus) { dret = radeon_ddc_probe(radeon_connector, false); + + /* Sometimes the pins required for the DDC probe on DVI + * connectors don't make contact at the same time that the ones + * for HPD do. If the DDC probe fails even though we had an HPD + * signal, try again later */ + if (!dret && !force && + connector->status != connector_status_connected) { + DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n"); + radeon_connector->detected_hpd_without_ddc = true; + schedule_delayed_work(&rdev->hotplug_work, + msecs_to_jiffies(1000)); + goto exit; + } + } if (dret) { radeon_connector->detected_by_load = false; radeon_connector_free_edid(connector); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index a8d9927ed9eb..1eca0acac016 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -322,7 +322,9 @@ void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id) * to complete in this vblank? */ if (update_pending && - (DRM_SCANOUTPOS_VALID & radeon_get_crtc_scanoutpos(rdev->ddev, crtc_id, 0, + (DRM_SCANOUTPOS_VALID & radeon_get_crtc_scanoutpos(rdev->ddev, + crtc_id, + USE_REAL_VBLANKSTART, &vpos, &hpos, NULL, NULL, &rdev->mode_info.crtcs[crtc_id]->base.hwmode)) && ((vpos >= (99 * rdev->mode_info.crtcs[crtc_id]->base.hwmode.crtc_vdisplay)/100) || @@ -401,6 +403,8 @@ static void radeon_flip_work_func(struct work_struct *__work) struct drm_crtc *crtc = &radeon_crtc->base; unsigned long flags; int r; + int vpos, hpos, stat, min_udelay; + struct drm_vblank_crtc *vblank = &crtc->dev->vblank[work->crtc_id]; down_read(&rdev->exclusive_lock); if (work->fence) { @@ -437,6 +441,41 @@ static void radeon_flip_work_func(struct work_struct *__work) /* set the proper interrupt */ radeon_irq_kms_pflip_irq_get(rdev, radeon_crtc->crtc_id); + /* If this happens to execute within the "virtually extended" vblank + * interval before the start of the real vblank interval then it needs + * to delay programming the mmio flip until the real vblank is entered. + * This prevents completing a flip too early due to the way we fudge + * our vblank counter and vblank timestamps in order to work around the + * problem that the hw fires vblank interrupts before actual start of + * vblank (when line buffer refilling is done for a frame). It + * complements the fudging logic in radeon_get_crtc_scanoutpos() for + * timestamping and radeon_get_vblank_counter_kms() for vblank counts. + * + * In practice this won't execute very often unless on very fast + * machines because the time window for this to happen is very small. + */ + for (;;) { + /* GET_DISTANCE_TO_VBLANKSTART returns distance to real vblank + * start in hpos, and to the "fudged earlier" vblank start in + * vpos. + */ + stat = radeon_get_crtc_scanoutpos(rdev->ddev, work->crtc_id, + GET_DISTANCE_TO_VBLANKSTART, + &vpos, &hpos, NULL, NULL, + &crtc->hwmode); + + if ((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) != + (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE) || + !(vpos >= 0 && hpos <= 0)) + break; + + /* Sleep at least until estimated real start of hw vblank */ + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + min_udelay = (-hpos + 1) * max(vblank->linedur_ns / 1000, 5); + usleep_range(min_udelay, 2 * min_udelay); + spin_lock_irqsave(&crtc->dev->event_lock, flags); + }; + /* do the flip (mmio) */ radeon_page_flip(rdev, radeon_crtc->crtc_id, work->base); @@ -1768,6 +1807,15 @@ bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc, * \param dev Device to query. * \param crtc Crtc to query. * \param flags Flags from caller (DRM_CALLED_FROM_VBLIRQ or 0). + * For driver internal use only also supports these flags: + * + * USE_REAL_VBLANKSTART to use the real start of vblank instead + * of a fudged earlier start of vblank. + * + * GET_DISTANCE_TO_VBLANKSTART to return distance to the + * fudged earlier start of vblank in *vpos and the distance + * to true start of vblank in *hpos. + * * \param *vpos Location where vertical scanout position should be stored. * \param *hpos Location where horizontal scanout position should go. * \param *stime Target location for timestamp taken immediately before @@ -1911,10 +1959,40 @@ int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, vbl_end = 0; } + /* Called from driver internal vblank counter query code? */ + if (flags & GET_DISTANCE_TO_VBLANKSTART) { + /* Caller wants distance from real vbl_start in *hpos */ + *hpos = *vpos - vbl_start; + } + + /* Fudge vblank to start a few scanlines earlier to handle the + * problem that vblank irqs fire a few scanlines before start + * of vblank. Some driver internal callers need the true vblank + * start to be used and signal this via the USE_REAL_VBLANKSTART flag. + * + * The cause of the "early" vblank irq is that the irq is triggered + * by the line buffer logic when the line buffer read position enters + * the vblank, whereas our crtc scanout position naturally lags the + * line buffer read position. + */ + if (!(flags & USE_REAL_VBLANKSTART)) + vbl_start -= rdev->mode_info.crtcs[pipe]->lb_vblank_lead_lines; + /* Test scanout position against vblank region. */ if ((*vpos < vbl_start) && (*vpos >= vbl_end)) in_vbl = false; + /* In vblank? */ + if (in_vbl) + ret |= DRM_SCANOUTPOS_IN_VBLANK; + + /* Called from driver internal vblank counter query code? */ + if (flags & GET_DISTANCE_TO_VBLANKSTART) { + /* Caller wants distance from fudged earlier vbl_start */ + *vpos -= vbl_start; + return ret; + } + /* Check if inside vblank area and apply corrective offsets: * vpos will then be >=0 in video scanout area, but negative * within vblank area, counting down the number of lines until @@ -1930,31 +2008,5 @@ int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, /* Correct for shifted end of vbl at vbl_end. */ *vpos = *vpos - vbl_end; - /* In vblank? */ - if (in_vbl) - ret |= DRM_SCANOUTPOS_IN_VBLANK; - - /* Is vpos outside nominal vblank area, but less than - * 1/100 of a frame height away from start of vblank? - * If so, assume this isn't a massively delayed vblank - * interrupt, but a vblank interrupt that fired a few - * microseconds before true start of vblank. Compensate - * by adding a full frame duration to the final timestamp. - * Happens, e.g., on ATI R500, R600. - * - * We only do this if DRM_CALLED_FROM_VBLIRQ. - */ - if ((flags & DRM_CALLED_FROM_VBLIRQ) && !in_vbl) { - vbl_start = mode->crtc_vdisplay; - vtotal = mode->crtc_vtotal; - - if (vbl_start - *vpos < vtotal / 100) { - *vpos -= vtotal; - - /* Signal this correction as "applied". */ - ret |= 0x8; - } - } - return ret; } diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 171d3e43c30c..979f3bf65f2c 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -74,7 +74,7 @@ irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg) static void radeon_hotplug_work_func(struct work_struct *work) { struct radeon_device *rdev = container_of(work, struct radeon_device, - hotplug_work); + hotplug_work.work); struct drm_device *dev = rdev->ddev; struct drm_mode_config *mode_config = &dev->mode_config; struct drm_connector *connector; @@ -302,7 +302,7 @@ int radeon_irq_kms_init(struct radeon_device *rdev) } } - INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func); + INIT_DELAYED_WORK(&rdev->hotplug_work, radeon_hotplug_work_func); INIT_WORK(&rdev->dp_work, radeon_dp_work_func); INIT_WORK(&rdev->audio_work, r600_audio_update_hdmi); @@ -310,7 +310,7 @@ int radeon_irq_kms_init(struct radeon_device *rdev) r = drm_irq_install(rdev->ddev, rdev->ddev->pdev->irq); if (r) { rdev->irq.installed = false; - flush_work(&rdev->hotplug_work); + flush_delayed_work(&rdev->hotplug_work); return r; } @@ -333,7 +333,7 @@ void radeon_irq_kms_fini(struct radeon_device *rdev) rdev->irq.installed = false; if (rdev->msi_enabled) pci_disable_msi(rdev->pdev); - flush_work(&rdev->hotplug_work); + flush_delayed_work(&rdev->hotplug_work); } } diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 0ec6fcca16d3..d290a8a09036 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -755,6 +755,8 @@ void radeon_driver_preclose_kms(struct drm_device *dev, */ u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc) { + int vpos, hpos, stat; + u32 count; struct radeon_device *rdev = dev->dev_private; if (crtc < 0 || crtc >= rdev->num_crtc) { @@ -762,7 +764,53 @@ u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc) return -EINVAL; } - return radeon_get_vblank_counter(rdev, crtc); + /* The hw increments its frame counter at start of vsync, not at start + * of vblank, as is required by DRM core vblank counter handling. + * Cook the hw count here to make it appear to the caller as if it + * incremented at start of vblank. We measure distance to start of + * vblank in vpos. vpos therefore will be >= 0 between start of vblank + * and start of vsync, so vpos >= 0 means to bump the hw frame counter + * result by 1 to give the proper appearance to caller. + */ + if (rdev->mode_info.crtcs[crtc]) { + /* Repeat readout if needed to provide stable result if + * we cross start of vsync during the queries. + */ + do { + count = radeon_get_vblank_counter(rdev, crtc); + /* Ask radeon_get_crtc_scanoutpos to return vpos as + * distance to start of vblank, instead of regular + * vertical scanout pos. + */ + stat = radeon_get_crtc_scanoutpos( + dev, crtc, GET_DISTANCE_TO_VBLANKSTART, + &vpos, &hpos, NULL, NULL, + &rdev->mode_info.crtcs[crtc]->base.hwmode); + } while (count != radeon_get_vblank_counter(rdev, crtc)); + + if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) != + (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) { + DRM_DEBUG_VBL("Query failed! stat %d\n", stat); + } + else { + DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n", + crtc, vpos); + + /* Bump counter if we are at >= leading edge of vblank, + * but before vsync where vpos would turn negative and + * the hw counter really increments. + */ + if (vpos >= 0) + count++; + } + } + else { + /* Fallback to use value as is. */ + count = radeon_get_vblank_counter(rdev, crtc); + DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n"); + } + + return count; } /** diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 830e171c3a9e..bba112628b47 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -367,6 +367,7 @@ struct radeon_crtc { u32 line_time; u32 wm_low; u32 wm_high; + u32 lb_vblank_lead_lines; struct drm_display_mode hw_mode; enum radeon_output_csc output_csc; }; @@ -553,6 +554,7 @@ struct radeon_connector { void *con_priv; bool dac_load_detect; bool detected_by_load; /* if the connection status was determined by load */ + bool detected_hpd_without_ddc; /* if an HPD signal was detected on DVI, but ddc probing failed */ uint16_t connector_object_id; struct radeon_hpd hpd; struct radeon_router router; @@ -686,6 +688,9 @@ struct atom_voltage_table struct atom_voltage_table_entry entries[MAX_VOLTAGE_ENTRIES]; }; +/* Driver internal use only flags of radeon_get_crtc_scanoutpos() */ +#define USE_REAL_VBLANKSTART (1 << 30) +#define GET_DISTANCE_TO_VBLANKSTART (1 << 31) extern void radeon_add_atom_connector(struct drm_device *dev, diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index d3024883b844..84d45633d28c 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -221,11 +221,17 @@ int radeon_bo_create(struct radeon_device *rdev, if (!(rdev->flags & RADEON_IS_PCIE)) bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); + /* Write-combined CPU mappings of GTT cause GPU hangs with RV6xx + * See https://bugs.freedesktop.org/show_bug.cgi?id=91268 + */ + if (rdev->family >= CHIP_RV610 && rdev->family <= CHIP_RV635) + bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); + #ifdef CONFIG_X86_32 /* XXX: Write-combined CPU mappings of GTT seem broken on 32-bit * See https://bugs.freedesktop.org/show_bug.cgi?id=84627 */ - bo->flags &= ~RADEON_GEM_GTT_WC; + bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); #elif defined(CONFIG_X86) && !defined(CONFIG_X86_PAT) /* Don't try to enable write-combining when it can't work, or things * may be slow @@ -235,9 +241,10 @@ int radeon_bo_create(struct radeon_device *rdev, #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance \ thanks to write-combining - DRM_INFO_ONCE("Please enable CONFIG_MTRR and CONFIG_X86_PAT for " - "better performance thanks to write-combining\n"); - bo->flags &= ~RADEON_GEM_GTT_WC; + if (bo->flags & RADEON_GEM_GTT_WC) + DRM_INFO_ONCE("Please enable CONFIG_MTRR and CONFIG_X86_PAT for " + "better performance thanks to write-combining\n"); + bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); #endif radeon_ttm_placement_from_domain(bo, domain); diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 6d80dde23400..59abebd6b5dc 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -1542,8 +1542,7 @@ int radeon_pm_late_init(struct radeon_device *rdev) ret = device_create_file(rdev->dev, &dev_attr_power_method); if (ret) DRM_ERROR("failed to create device file for power method\n"); - if (!ret) - rdev->pm.sysfs_initialized = true; + rdev->pm.sysfs_initialized = true; } mutex_lock(&rdev->pm.mutex); @@ -1757,7 +1756,9 @@ static bool radeon_pm_in_vbl(struct radeon_device *rdev) */ for (crtc = 0; (crtc < rdev->num_crtc) && in_vbl; crtc++) { if (rdev->pm.active_crtcs & (1 << crtc)) { - vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, crtc, 0, + vbl_status = radeon_get_crtc_scanoutpos(rdev->ddev, + crtc, + USE_REAL_VBLANKSTART, &vpos, &hpos, NULL, NULL, &rdev->mode_info.crtcs[crtc]->base.hwmode); if ((vbl_status & DRM_SCANOUTPOS_VALID) && diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 97a904835759..6244f4e44e9a 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -813,7 +813,7 @@ int rs600_irq_process(struct radeon_device *rdev) status = rs600_irq_ack(rdev); } if (queue_hotplug) - schedule_work(&rdev->hotplug_work); + schedule_delayed_work(&rdev->hotplug_work, 0); if (queue_hdmi) schedule_work(&rdev->audio_work); if (rdev->msi_enabled) { diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 516ca27cfa12..6bc44c24e837 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -207,6 +207,9 @@ void rs690_line_buffer_adjust(struct radeon_device *rdev, { u32 tmp; + /* Guess line buffer size to be 8192 pixels */ + u32 lb_size = 8192; + /* * Line Buffer Setup * There is a single line buffer shared by both display controllers. @@ -243,6 +246,13 @@ void rs690_line_buffer_adjust(struct radeon_device *rdev, tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; } WREG32(R_006520_DC_LB_MEMORY_SPLIT, tmp); + + /* Save number of lines the linebuffer leads before the scanout */ + if (mode1) + rdev->mode_info.crtcs[0]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode1->crtc_hdisplay); + + if (mode2) + rdev->mode_info.crtcs[1]->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode2->crtc_hdisplay); } struct rs690_watermark { diff --git a/drivers/gpu/drm/radeon/rv730_dpm.c b/drivers/gpu/drm/radeon/rv730_dpm.c index 3f5e1cf138ba..d37ba2cb886e 100644 --- a/drivers/gpu/drm/radeon/rv730_dpm.c +++ b/drivers/gpu/drm/radeon/rv730_dpm.c @@ -464,7 +464,7 @@ void rv730_stop_dpm(struct radeon_device *rdev) result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_TwoLevelsDisabled); if (result != PPSMC_Result_OK) - DRM_ERROR("Could not force DPM to low\n"); + DRM_DEBUG("Could not force DPM to low\n"); WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN); diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index b9c770745a7a..e830c8935db0 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -193,7 +193,7 @@ void rv770_stop_dpm(struct radeon_device *rdev) result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_TwoLevelsDisabled); if (result != PPSMC_Result_OK) - DRM_ERROR("Could not force DPM to low.\n"); + DRM_DEBUG("Could not force DPM to low.\n"); WREG32_P(GENERAL_PWRMGT, 0, ~GLOBAL_PWRMGT_EN); @@ -1418,7 +1418,7 @@ int rv770_resume_smc(struct radeon_device *rdev) int rv770_set_sw_state(struct radeon_device *rdev) { if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToSwState) != PPSMC_Result_OK) - return -EINVAL; + DRM_DEBUG("rv770_set_sw_state failed\n"); return 0; } diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 07037e32dea3..f878d6962da5 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2376,6 +2376,9 @@ static void dce6_program_watermarks(struct radeon_device *rdev, c.full = dfixed_div(c, a); priority_b_mark = dfixed_trunc(c); priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK; + + /* Save number of lines the linebuffer leads before the scanout */ + radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay); } /* select wm A */ @@ -6848,7 +6851,7 @@ restart_ih: if (queue_dp) schedule_work(&rdev->dp_work); if (queue_hotplug) - schedule_work(&rdev->hotplug_work); + schedule_delayed_work(&rdev->hotplug_work, 0); if (queue_thermal && rdev->pm.dpm_enabled) schedule_work(&rdev->pm.dpm.thermal.work); rdev->ih.rptr = rptr; diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index e72bf46042e0..a82b891ae1fe 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2927,7 +2927,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = { { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 }, - { PCI_VENDOR_ID_ATI, 0x6811, 0x1762, 0x2015, 0, 120000 }, + { PCI_VENDOR_ID_ATI, 0x6811, 0x1462, 0x2015, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x1043, 0x2015, 0, 120000 }, { 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index 8caea0a33dd8..d908321b94ce 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -67,6 +67,7 @@ static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj, * VM_PFNMAP flag that was set by drm_gem_mmap_obj()/drm_gem_mmap(). */ vma->vm_flags &= ~VM_PFNMAP; + vma->vm_pgoff = 0; ret = dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, obj->size, &rk_obj->dma_attrs); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 5d8ae5e49c44..03c47eeadc81 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -374,6 +374,7 @@ static const struct of_device_id vop_driver_dt_match[] = { .data = &rk3288_vop }, {}, }; +MODULE_DEVICE_TABLE(of, vop_driver_dt_match); static inline void vop_writel(struct vop *vop, uint32_t offset, uint32_t v) { @@ -959,8 +960,8 @@ static int vop_update_plane_event(struct drm_plane *plane, val = (dest.y2 - dest.y1 - 1) << 16; val |= (dest.x2 - dest.x1 - 1) & 0xffff; VOP_WIN_SET(vop, win, dsp_info, val); - val = (dsp_sty - 1) << 16; - val |= (dsp_stx - 1) & 0xffff; + val = dsp_sty << 16; + val |= dsp_stx & 0xffff; VOP_WIN_SET(vop, win, dsp_st, val); VOP_WIN_SET(vop, win, rb_swap, rb_swap); @@ -1289,7 +1290,7 @@ static void vop_win_state_complete(struct vop_win *vop_win, if (state->event) { spin_lock_irqsave(&drm->event_lock, flags); - drm_send_vblank_event(drm, -1, state->event); + drm_crtc_send_vblank_event(crtc, state->event); spin_unlock_irqrestore(&drm->event_lock, flags); } @@ -1575,32 +1576,25 @@ static int vop_initial(struct vop *vop) return PTR_ERR(vop->dclk); } - ret = clk_prepare(vop->hclk); - if (ret < 0) { - dev_err(vop->dev, "failed to prepare hclk\n"); - return ret; - } - ret = clk_prepare(vop->dclk); if (ret < 0) { dev_err(vop->dev, "failed to prepare dclk\n"); - goto err_unprepare_hclk; + return ret; } - ret = clk_prepare(vop->aclk); + /* Enable both the hclk and aclk to setup the vop */ + ret = clk_prepare_enable(vop->hclk); if (ret < 0) { - dev_err(vop->dev, "failed to prepare aclk\n"); + dev_err(vop->dev, "failed to prepare/enable hclk\n"); goto err_unprepare_dclk; } - /* - * enable hclk, so that we can config vop register. - */ - ret = clk_enable(vop->hclk); + ret = clk_prepare_enable(vop->aclk); if (ret < 0) { - dev_err(vop->dev, "failed to prepare aclk\n"); - goto err_unprepare_aclk; + dev_err(vop->dev, "failed to prepare/enable aclk\n"); + goto err_disable_hclk; } + /* * do hclk_reset, reset all vop registers. */ @@ -1608,7 +1602,7 @@ static int vop_initial(struct vop *vop) if (IS_ERR(ahb_rst)) { dev_err(vop->dev, "failed to get ahb reset\n"); ret = PTR_ERR(ahb_rst); - goto err_disable_hclk; + goto err_disable_aclk; } reset_control_assert(ahb_rst); usleep_range(10, 20); @@ -1634,26 +1628,25 @@ static int vop_initial(struct vop *vop) if (IS_ERR(vop->dclk_rst)) { dev_err(vop->dev, "failed to get dclk reset\n"); ret = PTR_ERR(vop->dclk_rst); - goto err_unprepare_aclk; + goto err_disable_aclk; } reset_control_assert(vop->dclk_rst); usleep_range(10, 20); reset_control_deassert(vop->dclk_rst); clk_disable(vop->hclk); + clk_disable(vop->aclk); vop->is_enabled = false; return 0; +err_disable_aclk: + clk_disable_unprepare(vop->aclk); err_disable_hclk: - clk_disable(vop->hclk); -err_unprepare_aclk: - clk_unprepare(vop->aclk); + clk_disable_unprepare(vop->hclk); err_unprepare_dclk: clk_unprepare(vop->dclk); -err_unprepare_hclk: - clk_unprepare(vop->hclk); return ret; } diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 7a9f4768591e..265064c62d49 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -168,7 +168,7 @@ static int vc4_get_clock_select(struct drm_crtc *crtc) struct drm_connector *connector; drm_for_each_connector(connector, crtc->dev) { - if (connector && connector->state->crtc == crtc) { + if (connector->state->crtc == crtc) { struct drm_encoder *encoder = connector->encoder; struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder); @@ -401,7 +401,8 @@ static void vc4_crtc_atomic_flush(struct drm_crtc *crtc, dlist_next++; HVS_WRITE(SCALER_DISPLISTX(vc4_crtc->channel), - (u32 *)vc4_crtc->dlist - (u32 *)vc4->hvs->dlist); + (u32 __iomem *)vc4_crtc->dlist - + (u32 __iomem *)vc4->hvs->dlist); /* Make the next display list start after ours. */ vc4_crtc->dlist_size -= (dlist_next - vc4_crtc->dlist); @@ -591,14 +592,14 @@ static int vc4_crtc_bind(struct device *dev, struct device *master, void *data) * that will take too much. */ primary_plane = vc4_plane_init(drm, DRM_PLANE_TYPE_PRIMARY); - if (!primary_plane) { + if (IS_ERR(primary_plane)) { dev_err(dev, "failed to construct primary plane\n"); ret = PTR_ERR(primary_plane); goto err; } cursor_plane = vc4_plane_init(drm, DRM_PLANE_TYPE_CURSOR); - if (!cursor_plane) { + if (IS_ERR(cursor_plane)) { dev_err(dev, "failed to construct cursor plane\n"); ret = PTR_ERR(cursor_plane); goto err_primary; diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 6e730605edcc..d5db9e0f3b73 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -259,7 +259,6 @@ static struct platform_driver vc4_platform_driver = { .remove = vc4_platform_drm_remove, .driver = { .name = "vc4-drm", - .owner = THIS_MODULE, .of_match_table = vc4_of_match, }, }; diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index ab1673f672a4..8098c5b21ba4 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -75,10 +75,10 @@ void vc4_hvs_dump_state(struct drm_device *dev) for (i = 0; i < 64; i += 4) { DRM_INFO("0x%08x (%s): 0x%08x 0x%08x 0x%08x 0x%08x\n", i * 4, i < HVS_BOOTLOADER_DLIST_END ? "B" : "D", - ((uint32_t *)vc4->hvs->dlist)[i + 0], - ((uint32_t *)vc4->hvs->dlist)[i + 1], - ((uint32_t *)vc4->hvs->dlist)[i + 2], - ((uint32_t *)vc4->hvs->dlist)[i + 3]); + readl((u32 __iomem *)vc4->hvs->dlist + i + 0), + readl((u32 __iomem *)vc4->hvs->dlist + i + 1), + readl((u32 __iomem *)vc4->hvs->dlist + i + 2), + readl((u32 __iomem *)vc4->hvs->dlist + i + 3)); } } diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index cdd8b10c0147..887f3caad0be 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -70,7 +70,7 @@ static bool plane_enabled(struct drm_plane_state *state) return state->fb && state->crtc; } -struct drm_plane_state *vc4_plane_duplicate_state(struct drm_plane *plane) +static struct drm_plane_state *vc4_plane_duplicate_state(struct drm_plane *plane) { struct vc4_plane_state *vc4_state; @@ -97,8 +97,8 @@ struct drm_plane_state *vc4_plane_duplicate_state(struct drm_plane *plane) return &vc4_state->base; } -void vc4_plane_destroy_state(struct drm_plane *plane, - struct drm_plane_state *state) +static void vc4_plane_destroy_state(struct drm_plane *plane, + struct drm_plane_state *state) { struct vc4_plane_state *vc4_state = to_vc4_plane_state(state); @@ -108,7 +108,7 @@ void vc4_plane_destroy_state(struct drm_plane *plane, } /* Called during init to allocate the plane's atomic state. */ -void vc4_plane_reset(struct drm_plane *plane) +static void vc4_plane_reset(struct drm_plane *plane) { struct vc4_plane_state *vc4_state; @@ -157,6 +157,16 @@ static int vc4_plane_mode_set(struct drm_plane *plane, int crtc_w = state->crtc_w; int crtc_h = state->crtc_h; + if (state->crtc_w << 16 != state->src_w || + state->crtc_h << 16 != state->src_h) { + /* We don't support scaling yet, which involves + * allocating the LBM memory for scaling temporary + * storage, and putting filter kernels in the HVS + * context. + */ + return -EINVAL; + } + if (crtc_x < 0) { offset += drm_format_plane_cpp(fb->pixel_format, 0) * -crtc_x; crtc_w += crtc_x; diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index f545913a56c7..578fe0a9324c 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -412,7 +412,7 @@ static const struct drm_connector_funcs virtio_gpu_connector_funcs = { .save = virtio_gpu_conn_save, .restore = virtio_gpu_conn_restore, .detect = virtio_gpu_conn_detect, - .fill_modes = drm_helper_probe_single_connector_modes, + .fill_modes = drm_helper_probe_single_connector_modes_nomerge, .destroy = virtio_gpu_conn_destroy, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index ba47b30d28fa..f2e13eb8339f 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -28,6 +28,7 @@ #include <linux/irqchip/chained_irq.h> #include <linux/irqdomain.h> #include <linux/of_device.h> +#include <linux/of_graph.h> #include <drm/drm_fourcc.h> @@ -993,12 +994,26 @@ static void platform_device_unregister_children(struct platform_device *pdev) struct ipu_platform_reg { struct ipu_client_platformdata pdata; const char *name; - int reg_offset; }; +/* These must be in the order of the corresponding device tree port nodes */ static const struct ipu_platform_reg client_reg[] = { { .pdata = { + .csi = 0, + .dma[0] = IPUV3_CHANNEL_CSI0, + .dma[1] = -EINVAL, + }, + .name = "imx-ipuv3-camera", + }, { + .pdata = { + .csi = 1, + .dma[0] = IPUV3_CHANNEL_CSI1, + .dma[1] = -EINVAL, + }, + .name = "imx-ipuv3-camera", + }, { + .pdata = { .di = 0, .dc = 5, .dp = IPU_DP_FLOW_SYNC_BG, @@ -1015,22 +1030,6 @@ static const struct ipu_platform_reg client_reg[] = { .dma[1] = -EINVAL, }, .name = "imx-ipuv3-crtc", - }, { - .pdata = { - .csi = 0, - .dma[0] = IPUV3_CHANNEL_CSI0, - .dma[1] = -EINVAL, - }, - .reg_offset = IPU_CM_CSI0_REG_OFS, - .name = "imx-ipuv3-camera", - }, { - .pdata = { - .csi = 1, - .dma[0] = IPUV3_CHANNEL_CSI1, - .dma[1] = -EINVAL, - }, - .reg_offset = IPU_CM_CSI1_REG_OFS, - .name = "imx-ipuv3-camera", }, }; @@ -1051,22 +1050,30 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) for (i = 0; i < ARRAY_SIZE(client_reg); i++) { const struct ipu_platform_reg *reg = &client_reg[i]; struct platform_device *pdev; - struct resource res; - - if (reg->reg_offset) { - memset(&res, 0, sizeof(res)); - res.flags = IORESOURCE_MEM; - res.start = ipu_base + ipu->devtype->cm_ofs + reg->reg_offset; - res.end = res.start + PAGE_SIZE - 1; - pdev = platform_device_register_resndata(dev, reg->name, - id++, &res, 1, ®->pdata, sizeof(reg->pdata)); - } else { - pdev = platform_device_register_data(dev, reg->name, - id++, ®->pdata, sizeof(reg->pdata)); + + pdev = platform_device_alloc(reg->name, id++); + if (!pdev) { + ret = -ENOMEM; + goto err_register; + } + + pdev->dev.parent = dev; + + /* Associate subdevice with the corresponding port node */ + pdev->dev.of_node = of_graph_get_port_by_id(dev->of_node, i); + if (!pdev->dev.of_node) { + dev_err(dev, "missing port@%d node in %s\n", i, + dev->of_node->full_name); + ret = -ENODEV; + goto err_register; } - if (IS_ERR(pdev)) { - ret = PTR_ERR(pdev); + ret = platform_device_add_data(pdev, ®->pdata, + sizeof(reg->pdata)); + if (!ret) + ret = platform_device_add(pdev); + if (ret) { + platform_device_put(pdev); goto err_register; } } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index ac1feea51be3..9024a3de4032 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -609,6 +609,7 @@ #define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST 0xc110 #define USB_DEVICE_ID_LOGITECH_HARMONY_LAST 0xc14f #define USB_DEVICE_ID_LOGITECH_HARMONY_PS3 0x0306 +#define USB_DEVICE_ID_LOGITECH_KEYBOARD_G710_PLUS 0xc24d #define USB_DEVICE_ID_LOGITECH_MOUSE_C01A 0xc01a #define USB_DEVICE_ID_LOGITECH_MOUSE_C05A 0xc05a #define USB_DEVICE_ID_LOGITECH_MOUSE_C06A 0xc06a diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index c20ac76c0a8c..c690fae02cf8 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -665,8 +665,9 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) struct lg_drv_data *drv_data; int ret; - /* Only work with the 1st interface (G29 presents multiple) */ - if (iface_num != 0) { + /* G29 only work with the 1st interface */ + if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) && + (iface_num != 0)) { dbg_hid("%s: ignoring ifnum %d\n", __func__, iface_num); return -ENODEV; } diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 94bb137abe32..2324520b006d 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -84,6 +84,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C077, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KEYBOARD_G710_PLUS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C01A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C05A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C06A, HID_QUIRK_ALWAYS_POLL }, diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 8b29949507d1..01a4f05c1642 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2481,7 +2481,7 @@ void wacom_setup_device_quirks(struct wacom *wacom) if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) { if (features->touch_max) features->device_type |= WACOM_DEVICETYPE_TOUCH; - if (features->type >= INTUOSHT || features->type <= BAMBOO_PT) + if (features->type >= INTUOSHT && features->type <= BAMBOO_PT) features->device_type |= WACOM_DEVICETYPE_PAD; features->x_max = 4096; @@ -3213,7 +3213,8 @@ static const struct wacom_features wacom_features_0x32F = WACOM_DTU_OFFSET, WACOM_DTU_OFFSET }; static const struct wacom_features wacom_features_0x336 = { "Wacom DTU1141", 23472, 13203, 1023, 0, - DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 }; + DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4, + WACOM_DTU_OFFSET, WACOM_DTU_OFFSET }; static const struct wacom_features wacom_features_0x57 = { "Wacom DTK2241", 95640, 54060, 2047, 63, DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6, diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 842b0043ad94..8f59f057cdf4 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -324,6 +324,7 @@ config SENSORS_APPLESMC config SENSORS_ARM_SCPI tristate "ARM SCPI Sensors" depends on ARM_SCPI_PROTOCOL + depends on THERMAL || !THERMAL_OF help This driver provides support for temperature, voltage, current and power sensors available on ARM Ltd's SCP based platforms. The @@ -1471,6 +1472,7 @@ config SENSORS_INA209 config SENSORS_INA2XX tristate "Texas Instruments INA219 and compatibles" depends on I2C + select REGMAP_I2C help If you say yes here you get support for INA219, INA220, INA226, INA230, and INA231 power monitor chips. diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 1f5e956941b1..0af7fd311979 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -537,7 +537,7 @@ static int applesmc_init_index(struct applesmc_registers *s) static int applesmc_init_smcreg_try(void) { struct applesmc_registers *s = &smcreg; - bool left_light_sensor, right_light_sensor; + bool left_light_sensor = 0, right_light_sensor = 0; unsigned int count; u8 tmp[1]; int ret; diff --git a/drivers/hwmon/scpi-hwmon.c b/drivers/hwmon/scpi-hwmon.c index 2c1241bbf9af..7e20567bc369 100644 --- a/drivers/hwmon/scpi-hwmon.c +++ b/drivers/hwmon/scpi-hwmon.c @@ -117,7 +117,7 @@ static int scpi_hwmon_probe(struct platform_device *pdev) struct scpi_ops *scpi_ops; struct device *hwdev, *dev = &pdev->dev; struct scpi_sensors *scpi_sensors; - int ret; + int ret, idx; scpi_ops = get_scpi_ops(); if (!scpi_ops) @@ -146,8 +146,8 @@ static int scpi_hwmon_probe(struct platform_device *pdev) scpi_sensors->scpi_ops = scpi_ops; - for (i = 0; i < nr_sensors; i++) { - struct sensor_data *sensor = &scpi_sensors->data[i]; + for (i = 0, idx = 0; i < nr_sensors; i++) { + struct sensor_data *sensor = &scpi_sensors->data[idx]; ret = scpi_ops->sensor_get_info(i, &sensor->info); if (ret) @@ -183,7 +183,7 @@ static int scpi_hwmon_probe(struct platform_device *pdev) num_power++; break; default: - break; + continue; } sensor->dev_attr_input.attr.mode = S_IRUGO; @@ -194,11 +194,12 @@ static int scpi_hwmon_probe(struct platform_device *pdev) sensor->dev_attr_label.show = scpi_show_label; sensor->dev_attr_label.attr.name = sensor->label; - scpi_sensors->attrs[i << 1] = &sensor->dev_attr_input.attr; - scpi_sensors->attrs[(i << 1) + 1] = &sensor->dev_attr_label.attr; + scpi_sensors->attrs[idx << 1] = &sensor->dev_attr_input.attr; + scpi_sensors->attrs[(idx << 1) + 1] = &sensor->dev_attr_label.attr; - sysfs_attr_init(scpi_sensors->attrs[i << 1]); - sysfs_attr_init(scpi_sensors->attrs[(i << 1) + 1]); + sysfs_attr_init(scpi_sensors->attrs[idx << 1]); + sysfs_attr_init(scpi_sensors->attrs[(idx << 1) + 1]); + idx++; } scpi_sensors->group.attrs = scpi_sensors->attrs; @@ -236,8 +237,8 @@ static int scpi_hwmon_probe(struct platform_device *pdev) zone->sensor_id = i; zone->scpi_sensors = scpi_sensors; - zone->tzd = thermal_zone_of_sensor_register(dev, i, zone, - &scpi_sensor_ops); + zone->tzd = thermal_zone_of_sensor_register(dev, + sensor->info.sensor_id, zone, &scpi_sensor_ops); /* * The call to thermal_zone_of_sensor_register returns * an error for sensors that are not associated with diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index e24c2b680b47..7b0aa82ea38b 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -126,6 +126,7 @@ config I2C_I801 Sunrise Point-LP (PCH) DNV (SOC) Broxton (SOC) + Lewisburg (PCH) This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index c306751ceadb..f62d69799a9c 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -62,6 +62,8 @@ * Sunrise Point-LP (PCH) 0x9d23 32 hard yes yes yes * DNV (SOC) 0x19df 32 hard yes yes yes * Broxton (SOC) 0x5ad4 32 hard yes yes yes + * Lewisburg (PCH) 0xa1a3 32 hard yes yes yes + * Lewisburg Supersku (PCH) 0xa223 32 hard yes yes yes * * Features supported by this driver: * Software PEC no @@ -206,6 +208,8 @@ #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS 0x9d23 #define PCI_DEVICE_ID_INTEL_DNV_SMBUS 0x19df #define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS 0x5ad4 +#define PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS 0xa1a3 +#define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS 0xa223 struct i801_mux_config { char *gpio_chip; @@ -869,6 +873,8 @@ static const struct pci_device_id i801_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BROXTON_SMBUS) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS) }, { 0, } }; diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 1e4d99da4164..9bb0b056b25f 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -50,6 +50,7 @@ #include <linux/of_device.h> #include <linux/of_dma.h> #include <linux/of_gpio.h> +#include <linux/pinctrl/consumer.h> #include <linux/platform_data/i2c-imx.h> #include <linux/platform_device.h> #include <linux/sched.h> diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index e23a7b068c60..0b20449e48cf 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -662,8 +662,10 @@ static void __xiic_start_xfer(struct xiic_i2c *i2c) static void xiic_start_xfer(struct xiic_i2c *i2c) { - + spin_lock(&i2c->lock); + xiic_reinit(i2c); __xiic_start_xfer(i2c); + spin_unlock(&i2c->lock); } static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 040af5cc8143..ba8eb087f224 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -715,7 +715,7 @@ static int i2c_device_probe(struct device *dev) if (wakeirq > 0 && wakeirq != client->irq) status = dev_pm_set_dedicated_wake_irq(dev, wakeirq); else if (client->irq > 0) - status = dev_pm_set_wake_irq(dev, wakeirq); + status = dev_pm_set_wake_irq(dev, client->irq); else status = 0; diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index eea0c79111e7..4d960d3b93c0 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -101,7 +101,7 @@ #define AD7795_CH_AIN1M_AIN1M 8 /* AIN1(-) - AIN1(-) */ /* ID Register Bit Designations (AD7793_REG_ID) */ -#define AD7785_ID 0xB +#define AD7785_ID 0x3 #define AD7792_ID 0xA #define AD7793_ID 0xB #define AD7794_ID 0xF diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index 599cde3d03a1..b10f629cc44b 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -106,6 +106,13 @@ #define DEFAULT_SAMPLE_TIME 1000 +/* V at 25°C of 696 mV */ +#define VF610_VTEMP25_3V0 950 +/* V at 25°C of 699 mV */ +#define VF610_VTEMP25_3V3 867 +/* Typical sensor slope coefficient at all temperatures */ +#define VF610_TEMP_SLOPE_COEFF 1840 + enum clk_sel { VF610_ADCIOC_BUSCLK_SET, VF610_ADCIOC_ALTCLK_SET, @@ -197,6 +204,8 @@ static inline void vf610_adc_calculate_rates(struct vf610_adc *info) adc_feature->clk_div = 8; } + adck_rate = ipg_rate / adc_feature->clk_div; + /* * Determine the long sample time adder value to be used based * on the default minimum sample time provided. @@ -221,7 +230,6 @@ static inline void vf610_adc_calculate_rates(struct vf610_adc *info) * BCT (Base Conversion Time): fixed to 25 ADCK cycles for 12 bit mode * LSTAdder(Long Sample Time): 3, 5, 7, 9, 13, 17, 21, 25 ADCK cycles */ - adck_rate = ipg_rate / info->adc_feature.clk_div; for (i = 0; i < ARRAY_SIZE(vf610_hw_avgs); i++) info->sample_freq_avail[i] = adck_rate / (6 + vf610_hw_avgs[i] * @@ -663,11 +671,13 @@ static int vf610_read_raw(struct iio_dev *indio_dev, break; case IIO_TEMP: /* - * Calculate in degree Celsius times 1000 - * Using sensor slope of 1.84 mV/°C and - * V at 25°C of 696 mV - */ - *val = 25000 - ((int)info->value - 864) * 1000000 / 1840; + * Calculate in degree Celsius times 1000 + * Using the typical sensor slope of 1.84 mV/°C + * and VREFH_ADC at 3.3V, V at 25°C of 699 mV + */ + *val = 25000 - ((int)info->value - VF610_VTEMP25_3V3) * + 1000000 / VF610_TEMP_SLOPE_COEFF; + break; default: mutex_unlock(&indio_dev->mlock); diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index 0370624a35db..02e636a1c49a 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -841,6 +841,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev, case XADC_REG_VCCINT: case XADC_REG_VCCAUX: case XADC_REG_VREFP: + case XADC_REG_VREFN: case XADC_REG_VCCBRAM: case XADC_REG_VCCPINT: case XADC_REG_VCCPAUX: diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c index 9e4d2c18b554..81ca0081a019 100644 --- a/drivers/iio/dac/ad5064.c +++ b/drivers/iio/dac/ad5064.c @@ -113,12 +113,16 @@ enum ad5064_type { ID_AD5065, ID_AD5628_1, ID_AD5628_2, + ID_AD5629_1, + ID_AD5629_2, ID_AD5648_1, ID_AD5648_2, ID_AD5666_1, ID_AD5666_2, ID_AD5668_1, ID_AD5668_2, + ID_AD5669_1, + ID_AD5669_2, }; static int ad5064_write(struct ad5064_state *st, unsigned int cmd, @@ -291,7 +295,7 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = { { }, }; -#define AD5064_CHANNEL(chan, addr, bits) { \ +#define AD5064_CHANNEL(chan, addr, bits, _shift) { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ .output = 1, \ @@ -303,36 +307,39 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = { .sign = 'u', \ .realbits = (bits), \ .storagebits = 16, \ - .shift = 20 - bits, \ + .shift = (_shift), \ }, \ .ext_info = ad5064_ext_info, \ } -#define DECLARE_AD5064_CHANNELS(name, bits) \ +#define DECLARE_AD5064_CHANNELS(name, bits, shift) \ const struct iio_chan_spec name[] = { \ - AD5064_CHANNEL(0, 0, bits), \ - AD5064_CHANNEL(1, 1, bits), \ - AD5064_CHANNEL(2, 2, bits), \ - AD5064_CHANNEL(3, 3, bits), \ - AD5064_CHANNEL(4, 4, bits), \ - AD5064_CHANNEL(5, 5, bits), \ - AD5064_CHANNEL(6, 6, bits), \ - AD5064_CHANNEL(7, 7, bits), \ + AD5064_CHANNEL(0, 0, bits, shift), \ + AD5064_CHANNEL(1, 1, bits, shift), \ + AD5064_CHANNEL(2, 2, bits, shift), \ + AD5064_CHANNEL(3, 3, bits, shift), \ + AD5064_CHANNEL(4, 4, bits, shift), \ + AD5064_CHANNEL(5, 5, bits, shift), \ + AD5064_CHANNEL(6, 6, bits, shift), \ + AD5064_CHANNEL(7, 7, bits, shift), \ } -#define DECLARE_AD5065_CHANNELS(name, bits) \ +#define DECLARE_AD5065_CHANNELS(name, bits, shift) \ const struct iio_chan_spec name[] = { \ - AD5064_CHANNEL(0, 0, bits), \ - AD5064_CHANNEL(1, 3, bits), \ + AD5064_CHANNEL(0, 0, bits, shift), \ + AD5064_CHANNEL(1, 3, bits, shift), \ } -static DECLARE_AD5064_CHANNELS(ad5024_channels, 12); -static DECLARE_AD5064_CHANNELS(ad5044_channels, 14); -static DECLARE_AD5064_CHANNELS(ad5064_channels, 16); +static DECLARE_AD5064_CHANNELS(ad5024_channels, 12, 8); +static DECLARE_AD5064_CHANNELS(ad5044_channels, 14, 6); +static DECLARE_AD5064_CHANNELS(ad5064_channels, 16, 4); -static DECLARE_AD5065_CHANNELS(ad5025_channels, 12); -static DECLARE_AD5065_CHANNELS(ad5045_channels, 14); -static DECLARE_AD5065_CHANNELS(ad5065_channels, 16); +static DECLARE_AD5065_CHANNELS(ad5025_channels, 12, 8); +static DECLARE_AD5065_CHANNELS(ad5045_channels, 14, 6); +static DECLARE_AD5065_CHANNELS(ad5065_channels, 16, 4); + +static DECLARE_AD5064_CHANNELS(ad5629_channels, 12, 4); +static DECLARE_AD5064_CHANNELS(ad5669_channels, 16, 0); static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { [ID_AD5024] = { @@ -382,6 +389,18 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { .channels = ad5024_channels, .num_channels = 8, }, + [ID_AD5629_1] = { + .shared_vref = true, + .internal_vref = 2500000, + .channels = ad5629_channels, + .num_channels = 8, + }, + [ID_AD5629_2] = { + .shared_vref = true, + .internal_vref = 5000000, + .channels = ad5629_channels, + .num_channels = 8, + }, [ID_AD5648_1] = { .shared_vref = true, .internal_vref = 2500000, @@ -418,6 +437,18 @@ static const struct ad5064_chip_info ad5064_chip_info_tbl[] = { .channels = ad5064_channels, .num_channels = 8, }, + [ID_AD5669_1] = { + .shared_vref = true, + .internal_vref = 2500000, + .channels = ad5669_channels, + .num_channels = 8, + }, + [ID_AD5669_2] = { + .shared_vref = true, + .internal_vref = 5000000, + .channels = ad5669_channels, + .num_channels = 8, + }, }; static inline unsigned int ad5064_num_vref(struct ad5064_state *st) @@ -597,10 +628,16 @@ static int ad5064_i2c_write(struct ad5064_state *st, unsigned int cmd, unsigned int addr, unsigned int val) { struct i2c_client *i2c = to_i2c_client(st->dev); + int ret; st->data.i2c[0] = (cmd << 4) | addr; put_unaligned_be16(val, &st->data.i2c[1]); - return i2c_master_send(i2c, st->data.i2c, 3); + + ret = i2c_master_send(i2c, st->data.i2c, 3); + if (ret < 0) + return ret; + + return 0; } static int ad5064_i2c_probe(struct i2c_client *i2c, @@ -616,12 +653,12 @@ static int ad5064_i2c_remove(struct i2c_client *i2c) } static const struct i2c_device_id ad5064_i2c_ids[] = { - {"ad5629-1", ID_AD5628_1}, - {"ad5629-2", ID_AD5628_2}, - {"ad5629-3", ID_AD5628_2}, /* similar enough to ad5629-2 */ - {"ad5669-1", ID_AD5668_1}, - {"ad5669-2", ID_AD5668_2}, - {"ad5669-3", ID_AD5668_2}, /* similar enough to ad5669-2 */ + {"ad5629-1", ID_AD5629_1}, + {"ad5629-2", ID_AD5629_2}, + {"ad5629-3", ID_AD5629_2}, /* similar enough to ad5629-2 */ + {"ad5669-1", ID_AD5669_1}, + {"ad5669-2", ID_AD5669_2}, + {"ad5669-3", ID_AD5669_2}, /* similar enough to ad5669-2 */ {} }; MODULE_DEVICE_TABLE(i2c, ad5064_i2c_ids); diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c index 12128d1ca570..71991b5c0658 100644 --- a/drivers/iio/humidity/si7020.c +++ b/drivers/iio/humidity/si7020.c @@ -50,10 +50,10 @@ static int si7020_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: - ret = i2c_smbus_read_word_data(*client, - chan->type == IIO_TEMP ? - SI7020CMD_TEMP_HOLD : - SI7020CMD_RH_HOLD); + ret = i2c_smbus_read_word_swapped(*client, + chan->type == IIO_TEMP ? + SI7020CMD_TEMP_HOLD : + SI7020CMD_RH_HOLD); if (ret < 0) return ret; *val = ret >> 2; diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c index cbe198cb3699..471ee36b9c6e 100644 --- a/drivers/iommu/s390-iommu.c +++ b/drivers/iommu/s390-iommu.c @@ -216,6 +216,7 @@ static int s390_iommu_update_trans(struct s390_domain *s390_domain, u8 *page_addr = (u8 *) (pa & PAGE_MASK); dma_addr_t start_dma_addr = dma_addr; unsigned long irq_flags, nr_pages, i; + unsigned long *entry; int rc = 0; if (dma_addr < s390_domain->domain.geometry.aperture_start || @@ -228,8 +229,12 @@ static int s390_iommu_update_trans(struct s390_domain *s390_domain, spin_lock_irqsave(&s390_domain->dma_table_lock, irq_flags); for (i = 0; i < nr_pages; i++) { - dma_update_cpu_trans(s390_domain->dma_table, page_addr, - dma_addr, flags); + entry = dma_walk_cpu_trans(s390_domain->dma_table, dma_addr); + if (!entry) { + rc = -ENOMEM; + goto undo_cpu_trans; + } + dma_update_cpu_trans(entry, page_addr, flags); page_addr += PAGE_SIZE; dma_addr += PAGE_SIZE; } @@ -242,6 +247,20 @@ static int s390_iommu_update_trans(struct s390_domain *s390_domain, break; } spin_unlock(&s390_domain->list_lock); + +undo_cpu_trans: + if (rc && ((flags & ZPCI_PTE_VALID_MASK) == ZPCI_PTE_VALID)) { + flags = ZPCI_PTE_INVALID; + while (i-- > 0) { + page_addr -= PAGE_SIZE; + dma_addr -= PAGE_SIZE; + entry = dma_walk_cpu_trans(s390_domain->dma_table, + dma_addr); + if (!entry) + break; + dma_update_cpu_trans(entry, page_addr, flags); + } + } spin_unlock_irqrestore(&s390_domain->dma_table_lock, irq_flags); return rc; diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c index 44a077f3a4a2..f174ce0ca361 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -84,12 +84,15 @@ void __init gic_dist_config(void __iomem *base, int gic_irqs, writel_relaxed(GICD_INT_DEF_PRI_X4, base + GIC_DIST_PRI + i); /* - * Disable all interrupts. Leave the PPI and SGIs alone - * as they are enabled by redistributor registers. + * Deactivate and disable all SPIs. Leave the PPI and SGIs + * alone as they are in the redistributor registers on GICv3. */ - for (i = 32; i < gic_irqs; i += 32) + for (i = 32; i < gic_irqs; i += 32) { writel_relaxed(GICD_INT_EN_CLR_X32, - base + GIC_DIST_ENABLE_CLEAR + i / 8); + base + GIC_DIST_ACTIVE_CLEAR + i / 8); + writel_relaxed(GICD_INT_EN_CLR_X32, + base + GIC_DIST_ENABLE_CLEAR + i / 8); + } if (sync_access) sync_access(); @@ -102,7 +105,9 @@ void gic_cpu_config(void __iomem *base, void (*sync_access)(void)) /* * Deal with the banked PPI and SGI interrupts - disable all * PPI interrupts, ensure all SGI interrupts are enabled. + * Make sure everything is deactivated. */ + writel_relaxed(GICD_INT_EN_CLR_X32, base + GIC_DIST_ACTIVE_CLEAR); writel_relaxed(GICD_INT_EN_CLR_PPI, base + GIC_DIST_ENABLE_CLEAR); writel_relaxed(GICD_INT_EN_SET_SGI, base + GIC_DIST_ENABLE_SET); diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 515c823c1c95..abf2ffaed392 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -73,9 +73,11 @@ struct gic_chip_data { union gic_base cpu_base; #ifdef CONFIG_CPU_PM u32 saved_spi_enable[DIV_ROUND_UP(1020, 32)]; + u32 saved_spi_active[DIV_ROUND_UP(1020, 32)]; u32 saved_spi_conf[DIV_ROUND_UP(1020, 16)]; u32 saved_spi_target[DIV_ROUND_UP(1020, 4)]; u32 __percpu *saved_ppi_enable; + u32 __percpu *saved_ppi_active; u32 __percpu *saved_ppi_conf; #endif struct irq_domain *domain; @@ -566,6 +568,10 @@ static void gic_dist_save(unsigned int gic_nr) for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++) gic_data[gic_nr].saved_spi_enable[i] = readl_relaxed(dist_base + GIC_DIST_ENABLE_SET + i * 4); + + for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++) + gic_data[gic_nr].saved_spi_active[i] = + readl_relaxed(dist_base + GIC_DIST_ACTIVE_SET + i * 4); } /* @@ -604,9 +610,19 @@ static void gic_dist_restore(unsigned int gic_nr) writel_relaxed(gic_data[gic_nr].saved_spi_target[i], dist_base + GIC_DIST_TARGET + i * 4); - for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++) + for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++) { + writel_relaxed(GICD_INT_EN_CLR_X32, + dist_base + GIC_DIST_ENABLE_CLEAR + i * 4); writel_relaxed(gic_data[gic_nr].saved_spi_enable[i], dist_base + GIC_DIST_ENABLE_SET + i * 4); + } + + for (i = 0; i < DIV_ROUND_UP(gic_irqs, 32); i++) { + writel_relaxed(GICD_INT_EN_CLR_X32, + dist_base + GIC_DIST_ACTIVE_CLEAR + i * 4); + writel_relaxed(gic_data[gic_nr].saved_spi_active[i], + dist_base + GIC_DIST_ACTIVE_SET + i * 4); + } writel_relaxed(GICD_ENABLE, dist_base + GIC_DIST_CTRL); } @@ -631,6 +647,10 @@ static void gic_cpu_save(unsigned int gic_nr) for (i = 0; i < DIV_ROUND_UP(32, 32); i++) ptr[i] = readl_relaxed(dist_base + GIC_DIST_ENABLE_SET + i * 4); + ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_active); + for (i = 0; i < DIV_ROUND_UP(32, 32); i++) + ptr[i] = readl_relaxed(dist_base + GIC_DIST_ACTIVE_SET + i * 4); + ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_conf); for (i = 0; i < DIV_ROUND_UP(32, 16); i++) ptr[i] = readl_relaxed(dist_base + GIC_DIST_CONFIG + i * 4); @@ -654,8 +674,18 @@ static void gic_cpu_restore(unsigned int gic_nr) return; ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_enable); - for (i = 0; i < DIV_ROUND_UP(32, 32); i++) + for (i = 0; i < DIV_ROUND_UP(32, 32); i++) { + writel_relaxed(GICD_INT_EN_CLR_X32, + dist_base + GIC_DIST_ENABLE_CLEAR + i * 4); writel_relaxed(ptr[i], dist_base + GIC_DIST_ENABLE_SET + i * 4); + } + + ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_active); + for (i = 0; i < DIV_ROUND_UP(32, 32); i++) { + writel_relaxed(GICD_INT_EN_CLR_X32, + dist_base + GIC_DIST_ACTIVE_CLEAR + i * 4); + writel_relaxed(ptr[i], dist_base + GIC_DIST_ACTIVE_SET + i * 4); + } ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_conf); for (i = 0; i < DIV_ROUND_UP(32, 16); i++) @@ -710,6 +740,10 @@ static void __init gic_pm_init(struct gic_chip_data *gic) sizeof(u32)); BUG_ON(!gic->saved_ppi_enable); + gic->saved_ppi_active = __alloc_percpu(DIV_ROUND_UP(32, 32) * 4, + sizeof(u32)); + BUG_ON(!gic->saved_ppi_active); + gic->saved_ppi_conf = __alloc_percpu(DIV_ROUND_UP(32, 16) * 4, sizeof(u32)); BUG_ON(!gic->saved_ppi_conf); diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c index b33f53b3ca93..bf04d2a3cf4a 100644 --- a/drivers/isdn/hisax/config.c +++ b/drivers/isdn/hisax/config.c @@ -1896,7 +1896,7 @@ static void EChannel_proc_rcv(struct hisax_d_if *d_if) ptr--; *ptr++ = '\n'; *ptr = 0; - HiSax_putstatus(cs, NULL, "%s", cs->dlog); + HiSax_putstatus(cs, NULL, cs->dlog); } else HiSax_putstatus(cs, "LogEcho: ", "warning Frame too big (%d)", diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c index 4a4825528188..90449e1e91e5 100644 --- a/drivers/isdn/hisax/hfc_pci.c +++ b/drivers/isdn/hisax/hfc_pci.c @@ -901,7 +901,7 @@ Begin: ptr--; *ptr++ = '\n'; *ptr = 0; - HiSax_putstatus(cs, NULL, "%s", cs->dlog); + HiSax_putstatus(cs, NULL, cs->dlog); } else HiSax_putstatus(cs, "LogEcho: ", "warning Frame too big (%d)", total - 3); } diff --git a/drivers/isdn/hisax/hfc_sx.c b/drivers/isdn/hisax/hfc_sx.c index b1fad81f0722..13b2151c10f5 100644 --- a/drivers/isdn/hisax/hfc_sx.c +++ b/drivers/isdn/hisax/hfc_sx.c @@ -674,7 +674,7 @@ receive_emsg(struct IsdnCardState *cs) ptr--; *ptr++ = '\n'; *ptr = 0; - HiSax_putstatus(cs, NULL, "%s", cs->dlog); + HiSax_putstatus(cs, NULL, cs->dlog); } else HiSax_putstatus(cs, "LogEcho: ", "warning Frame too big (%d)", skb->len); } diff --git a/drivers/isdn/hisax/q931.c b/drivers/isdn/hisax/q931.c index b420f8bd862e..ba4beb25d872 100644 --- a/drivers/isdn/hisax/q931.c +++ b/drivers/isdn/hisax/q931.c @@ -1179,7 +1179,7 @@ LogFrame(struct IsdnCardState *cs, u_char *buf, int size) dp--; *dp++ = '\n'; *dp = 0; - HiSax_putstatus(cs, NULL, "%s", cs->dlog); + HiSax_putstatus(cs, NULL, cs->dlog); } else HiSax_putstatus(cs, "LogFrame: ", "warning Frame too big (%d)", size); } @@ -1246,7 +1246,7 @@ dlogframe(struct IsdnCardState *cs, struct sk_buff *skb, int dir) } if (finish) { *dp = 0; - HiSax_putstatus(cs, NULL, "%s", cs->dlog); + HiSax_putstatus(cs, NULL, cs->dlog); return; } if ((0xfe & buf[0]) == PROTO_DIS_N0) { /* 1TR6 */ @@ -1509,5 +1509,5 @@ dlogframe(struct IsdnCardState *cs, struct sk_buff *skb, int dir) dp += sprintf(dp, "Unknown protocol %x!", buf[0]); } *dp = 0; - HiSax_putstatus(cs, NULL, "%s", cs->dlog); + HiSax_putstatus(cs, NULL, cs->dlog); } diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index f659e605a406..86ce887b2ed6 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -123,6 +123,26 @@ void nvm_unregister_mgr(struct nvmm_type *mt) } EXPORT_SYMBOL(nvm_unregister_mgr); +/* register with device with a supported manager */ +static int register_mgr(struct nvm_dev *dev) +{ + struct nvmm_type *mt; + int ret = 0; + + list_for_each_entry(mt, &nvm_mgrs, list) { + ret = mt->register_mgr(dev); + if (ret > 0) { + dev->mt = mt; + break; /* successfully initialized */ + } + } + + if (!ret) + pr_info("nvm: no compatible nvm manager found.\n"); + + return ret; +} + static struct nvm_dev *nvm_find_nvm_dev(const char *name) { struct nvm_dev *dev; @@ -160,11 +180,6 @@ int nvm_erase_blk(struct nvm_dev *dev, struct nvm_block *blk) } EXPORT_SYMBOL(nvm_erase_blk); -static void nvm_core_free(struct nvm_dev *dev) -{ - kfree(dev); -} - static int nvm_core_init(struct nvm_dev *dev) { struct nvm_id *id = &dev->identity; @@ -179,12 +194,21 @@ static int nvm_core_init(struct nvm_dev *dev) dev->sec_size = grp->csecs; dev->oob_size = grp->sos; dev->sec_per_pg = grp->fpg_sz / grp->csecs; - dev->addr_mode = id->ppat; - dev->addr_format = id->ppaf; + memcpy(&dev->ppaf, &id->ppaf, sizeof(struct nvm_addr_format)); dev->plane_mode = NVM_PLANE_SINGLE; dev->max_rq_size = dev->ops->max_phys_sect * dev->sec_size; + if (grp->mtype != 0) { + pr_err("nvm: memory type not supported\n"); + return -EINVAL; + } + + if (grp->fmtype != 0 && grp->fmtype != 1) { + pr_err("nvm: flash type not supported\n"); + return -EINVAL; + } + if (grp->mpos & 0x020202) dev->plane_mode = NVM_PLANE_DOUBLE; if (grp->mpos & 0x040404) @@ -213,21 +237,17 @@ static void nvm_free(struct nvm_dev *dev) if (dev->mt) dev->mt->unregister_mgr(dev); - - nvm_core_free(dev); } static int nvm_init(struct nvm_dev *dev) { - struct nvmm_type *mt; - int ret = 0; + int ret = -EINVAL; if (!dev->q || !dev->ops) - return -EINVAL; + return ret; if (dev->ops->identity(dev->q, &dev->identity)) { pr_err("nvm: device could not be identified\n"); - ret = -EINVAL; goto err; } @@ -251,21 +271,13 @@ static int nvm_init(struct nvm_dev *dev) goto err; } - /* register with device with a supported manager */ - list_for_each_entry(mt, &nvm_mgrs, list) { - ret = mt->register_mgr(dev); - if (ret < 0) - goto err; /* initialization failed */ - if (ret > 0) { - dev->mt = mt; - break; /* successfully initialized */ - } - } - - if (!ret) { - pr_info("nvm: no compatible manager found.\n"); + down_write(&nvm_lock); + ret = register_mgr(dev); + up_write(&nvm_lock); + if (ret < 0) + goto err; + if (!ret) return 0; - } pr_info("nvm: registered %s [%u/%u/%u/%u/%u/%u]\n", dev->name, dev->sec_per_pg, dev->nr_planes, @@ -273,7 +285,6 @@ static int nvm_init(struct nvm_dev *dev) dev->nr_chnls); return 0; err: - nvm_free(dev); pr_err("nvm: failed to initialize nvm\n"); return ret; } @@ -308,22 +319,26 @@ int nvm_register(struct request_queue *q, char *disk_name, if (ret) goto err_init; - down_write(&nvm_lock); - list_add(&dev->devices, &nvm_devices); - up_write(&nvm_lock); + if (dev->ops->max_phys_sect > 256) { + pr_info("nvm: max sectors supported is 256.\n"); + ret = -EINVAL; + goto err_init; + } if (dev->ops->max_phys_sect > 1) { dev->ppalist_pool = dev->ops->create_dma_pool(dev->q, "ppalist"); if (!dev->ppalist_pool) { pr_err("nvm: could not create ppa pool\n"); - return -ENOMEM; + ret = -ENOMEM; + goto err_init; } - } else if (dev->ops->max_phys_sect > 256) { - pr_info("nvm: max sectors supported is 256.\n"); - return -EINVAL; } + down_write(&nvm_lock); + list_add(&dev->devices, &nvm_devices); + up_write(&nvm_lock); + return 0; err_init: kfree(dev); @@ -333,19 +348,22 @@ EXPORT_SYMBOL(nvm_register); void nvm_unregister(char *disk_name) { - struct nvm_dev *dev = nvm_find_nvm_dev(disk_name); + struct nvm_dev *dev; + down_write(&nvm_lock); + dev = nvm_find_nvm_dev(disk_name); if (!dev) { pr_err("nvm: could not find device %s to unregister\n", disk_name); + up_write(&nvm_lock); return; } - nvm_exit(dev); - - down_write(&nvm_lock); list_del(&dev->devices); up_write(&nvm_lock); + + nvm_exit(dev); + kfree(dev); } EXPORT_SYMBOL(nvm_unregister); @@ -358,38 +376,30 @@ static int nvm_create_target(struct nvm_dev *dev, { struct nvm_ioctl_create_simple *s = &create->conf.s; struct request_queue *tqueue; - struct nvmm_type *mt; struct gendisk *tdisk; struct nvm_tgt_type *tt; struct nvm_target *t; void *targetdata; int ret = 0; + down_write(&nvm_lock); if (!dev->mt) { - /* register with device with a supported NVM manager */ - list_for_each_entry(mt, &nvm_mgrs, list) { - ret = mt->register_mgr(dev); - if (ret < 0) - return ret; /* initialization failed */ - if (ret > 0) { - dev->mt = mt; - break; /* successfully initialized */ - } - } - - if (!ret) { - pr_info("nvm: no compatible nvm manager found.\n"); - return -ENODEV; + ret = register_mgr(dev); + if (!ret) + ret = -ENODEV; + if (ret < 0) { + up_write(&nvm_lock); + return ret; } } tt = nvm_find_target_type(create->tgttype); if (!tt) { pr_err("nvm: target type %s not found\n", create->tgttype); + up_write(&nvm_lock); return -EINVAL; } - down_write(&nvm_lock); list_for_each_entry(t, &dev->online_targets, list) { if (!strcmp(create->tgtname, t->disk->disk_name)) { pr_err("nvm: target name already exists.\n"); @@ -457,11 +467,11 @@ static void nvm_remove_target(struct nvm_target *t) lockdep_assert_held(&nvm_lock); del_gendisk(tdisk); + blk_cleanup_queue(q); + if (tt->exit) tt->exit(tdisk->private_data); - blk_cleanup_queue(q); - put_disk(tdisk); list_del(&t->list); @@ -473,7 +483,9 @@ static int __nvm_configure_create(struct nvm_ioctl_create *create) struct nvm_dev *dev; struct nvm_ioctl_create_simple *s; + down_write(&nvm_lock); dev = nvm_find_nvm_dev(create->dev); + up_write(&nvm_lock); if (!dev) { pr_err("nvm: device not found\n"); return -EINVAL; @@ -532,7 +544,9 @@ static int nvm_configure_show(const char *val) return -EINVAL; } + down_write(&nvm_lock); dev = nvm_find_nvm_dev(devname); + up_write(&nvm_lock); if (!dev) { pr_err("nvm: device not found\n"); return -EINVAL; @@ -541,7 +555,7 @@ static int nvm_configure_show(const char *val) if (!dev->mt) return 0; - dev->mt->free_blocks_print(dev); + dev->mt->lun_info_print(dev); return 0; } @@ -677,8 +691,10 @@ static long nvm_ioctl_info(struct file *file, void __user *arg) info->tgtsize = tgt_iter; up_write(&nvm_lock); - if (copy_to_user(arg, info, sizeof(struct nvm_ioctl_info))) + if (copy_to_user(arg, info, sizeof(struct nvm_ioctl_info))) { + kfree(info); return -EFAULT; + } kfree(info); return 0; @@ -721,8 +737,11 @@ static long nvm_ioctl_get_devices(struct file *file, void __user *arg) devices->nr_devices = i; - if (copy_to_user(arg, devices, sizeof(struct nvm_ioctl_get_devices))) + if (copy_to_user(arg, devices, + sizeof(struct nvm_ioctl_get_devices))) { + kfree(devices); return -EFAULT; + } kfree(devices); return 0; diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c index ae1fb2bdc5f4..35dde84b71e9 100644 --- a/drivers/lightnvm/gennvm.c +++ b/drivers/lightnvm/gennvm.c @@ -60,23 +60,27 @@ static int gennvm_luns_init(struct nvm_dev *dev, struct gen_nvm *gn) lun->vlun.lun_id = i % dev->luns_per_chnl; lun->vlun.chnl_id = i / dev->luns_per_chnl; lun->vlun.nr_free_blocks = dev->blks_per_lun; + lun->vlun.nr_inuse_blocks = 0; + lun->vlun.nr_bad_blocks = 0; } return 0; } -static int gennvm_block_bb(u32 lun_id, void *bb_bitmap, unsigned int nr_blocks, +static int gennvm_block_bb(struct ppa_addr ppa, int nr_blocks, u8 *blks, void *private) { struct gen_nvm *gn = private; - struct gen_lun *lun = &gn->luns[lun_id]; + struct nvm_dev *dev = gn->dev; + struct gen_lun *lun; struct nvm_block *blk; int i; - if (unlikely(bitmap_empty(bb_bitmap, nr_blocks))) - return 0; + lun = &gn->luns[(dev->nr_luns * ppa.g.ch) + ppa.g.lun]; + + for (i = 0; i < nr_blocks; i++) { + if (blks[i] == 0) + continue; - i = -1; - while ((i = find_next_bit(bb_bitmap, nr_blocks, i + 1)) < nr_blocks) { blk = &lun->vlun.blocks[i]; if (!blk) { pr_err("gennvm: BB data is out of bounds.\n"); @@ -84,6 +88,7 @@ static int gennvm_block_bb(u32 lun_id, void *bb_bitmap, unsigned int nr_blocks, } list_move_tail(&blk->list, &lun->bb_list); + lun->vlun.nr_bad_blocks++; } return 0; @@ -136,6 +141,7 @@ static int gennvm_block_map(u64 slba, u32 nlb, __le64 *entries, void *private) list_move_tail(&blk->list, &lun->used_list); blk->type = 1; lun->vlun.nr_free_blocks--; + lun->vlun.nr_inuse_blocks++; } } @@ -164,15 +170,25 @@ static int gennvm_blocks_init(struct nvm_dev *dev, struct gen_nvm *gn) block->id = cur_block_id++; /* First block is reserved for device */ - if (unlikely(lun_iter == 0 && blk_iter == 0)) + if (unlikely(lun_iter == 0 && blk_iter == 0)) { + lun->vlun.nr_free_blocks--; continue; + } list_add_tail(&block->list, &lun->free_list); } if (dev->ops->get_bb_tbl) { - ret = dev->ops->get_bb_tbl(dev->q, lun->vlun.id, - dev->blks_per_lun, gennvm_block_bb, gn); + struct ppa_addr ppa; + + ppa.ppa = 0; + ppa.g.ch = lun->vlun.chnl_id; + ppa.g.lun = lun->vlun.id; + ppa = generic_to_dev_addr(dev, ppa); + + ret = dev->ops->get_bb_tbl(dev, ppa, + dev->blks_per_lun, + gennvm_block_bb, gn); if (ret) pr_err("gennvm: could not read BB table\n"); } @@ -190,6 +206,14 @@ static int gennvm_blocks_init(struct nvm_dev *dev, struct gen_nvm *gn) return 0; } +static void gennvm_free(struct nvm_dev *dev) +{ + gennvm_blocks_free(dev); + gennvm_luns_free(dev); + kfree(dev->mp); + dev->mp = NULL; +} + static int gennvm_register(struct nvm_dev *dev) { struct gen_nvm *gn; @@ -199,6 +223,7 @@ static int gennvm_register(struct nvm_dev *dev) if (!gn) return -ENOMEM; + gn->dev = dev; gn->nr_luns = dev->nr_luns; dev->mp = gn; @@ -216,16 +241,13 @@ static int gennvm_register(struct nvm_dev *dev) return 1; err: - kfree(gn); + gennvm_free(dev); return ret; } static void gennvm_unregister(struct nvm_dev *dev) { - gennvm_blocks_free(dev); - gennvm_luns_free(dev); - kfree(dev->mp); - dev->mp = NULL; + gennvm_free(dev); } static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev, @@ -254,6 +276,7 @@ static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev, blk->type = 1; lun->vlun.nr_free_blocks--; + lun->vlun.nr_inuse_blocks++; spin_unlock(&vlun->lock); out: @@ -271,16 +294,21 @@ static void gennvm_put_blk(struct nvm_dev *dev, struct nvm_block *blk) case 1: list_move_tail(&blk->list, &lun->free_list); lun->vlun.nr_free_blocks++; + lun->vlun.nr_inuse_blocks--; blk->type = 0; break; case 2: list_move_tail(&blk->list, &lun->bb_list); + lun->vlun.nr_bad_blocks++; + lun->vlun.nr_inuse_blocks--; break; default: WARN_ON_ONCE(1); pr_err("gennvm: erroneous block type (%lu -> %u)\n", blk->id, blk->type); list_move_tail(&blk->list, &lun->bb_list); + lun->vlun.nr_bad_blocks++; + lun->vlun.nr_inuse_blocks--; } spin_unlock(&vlun->lock); @@ -292,10 +320,10 @@ static void gennvm_addr_to_generic_mode(struct nvm_dev *dev, struct nvm_rq *rqd) if (rqd->nr_pages > 1) { for (i = 0; i < rqd->nr_pages; i++) - rqd->ppa_list[i] = addr_to_generic_mode(dev, + rqd->ppa_list[i] = dev_to_generic_addr(dev, rqd->ppa_list[i]); } else { - rqd->ppa_addr = addr_to_generic_mode(dev, rqd->ppa_addr); + rqd->ppa_addr = dev_to_generic_addr(dev, rqd->ppa_addr); } } @@ -305,10 +333,10 @@ static void gennvm_generic_to_addr_mode(struct nvm_dev *dev, struct nvm_rq *rqd) if (rqd->nr_pages > 1) { for (i = 0; i < rqd->nr_pages; i++) - rqd->ppa_list[i] = generic_to_addr_mode(dev, + rqd->ppa_list[i] = generic_to_dev_addr(dev, rqd->ppa_list[i]); } else { - rqd->ppa_addr = generic_to_addr_mode(dev, rqd->ppa_addr); + rqd->ppa_addr = generic_to_dev_addr(dev, rqd->ppa_addr); } } @@ -354,10 +382,10 @@ static void gennvm_mark_blk_bad(struct nvm_dev *dev, struct nvm_rq *rqd) { int i; - if (!dev->ops->set_bb) + if (!dev->ops->set_bb_tbl) return; - if (dev->ops->set_bb(dev->q, rqd, 1)) + if (dev->ops->set_bb_tbl(dev->q, rqd, 1)) return; gennvm_addr_to_generic_mode(dev, rqd); @@ -440,15 +468,24 @@ static struct nvm_lun *gennvm_get_lun(struct nvm_dev *dev, int lunid) return &gn->luns[lunid].vlun; } -static void gennvm_free_blocks_print(struct nvm_dev *dev) +static void gennvm_lun_info_print(struct nvm_dev *dev) { struct gen_nvm *gn = dev->mp; struct gen_lun *lun; unsigned int i; - gennvm_for_each_lun(gn, lun, i) - pr_info("%s: lun%8u\t%u\n", - dev->name, i, lun->vlun.nr_free_blocks); + + gennvm_for_each_lun(gn, lun, i) { + spin_lock(&lun->vlun.lock); + + pr_info("%s: lun%8u\t%u\t%u\t%u\n", + dev->name, i, + lun->vlun.nr_free_blocks, + lun->vlun.nr_inuse_blocks, + lun->vlun.nr_bad_blocks); + + spin_unlock(&lun->vlun.lock); + } } static struct nvmm_type gennvm = { @@ -466,7 +503,7 @@ static struct nvmm_type gennvm = { .erase_blk = gennvm_erase_blk, .get_lun = gennvm_get_lun, - .free_blocks_print = gennvm_free_blocks_print, + .lun_info_print = gennvm_lun_info_print, }; static int __init gennvm_module_init(void) diff --git a/drivers/lightnvm/gennvm.h b/drivers/lightnvm/gennvm.h index d23bd3501ddc..9c24b5b32dac 100644 --- a/drivers/lightnvm/gennvm.h +++ b/drivers/lightnvm/gennvm.h @@ -35,6 +35,8 @@ struct gen_lun { }; struct gen_nvm { + struct nvm_dev *dev; + int nr_luns; struct gen_lun *luns; }; diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index 7ba64c87ba1c..75e59c3a3f96 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -123,12 +123,42 @@ static u64 block_to_addr(struct rrpc *rrpc, struct rrpc_block *rblk) return blk->id * rrpc->dev->pgs_per_blk; } +static struct ppa_addr linear_to_generic_addr(struct nvm_dev *dev, + struct ppa_addr r) +{ + struct ppa_addr l; + int secs, pgs, blks, luns; + sector_t ppa = r.ppa; + + l.ppa = 0; + + div_u64_rem(ppa, dev->sec_per_pg, &secs); + l.g.sec = secs; + + sector_div(ppa, dev->sec_per_pg); + div_u64_rem(ppa, dev->sec_per_blk, &pgs); + l.g.pg = pgs; + + sector_div(ppa, dev->pgs_per_blk); + div_u64_rem(ppa, dev->blks_per_lun, &blks); + l.g.blk = blks; + + sector_div(ppa, dev->blks_per_lun); + div_u64_rem(ppa, dev->luns_per_chnl, &luns); + l.g.lun = luns; + + sector_div(ppa, dev->luns_per_chnl); + l.g.ch = ppa; + + return l; +} + static struct ppa_addr rrpc_ppa_to_gaddr(struct nvm_dev *dev, u64 addr) { struct ppa_addr paddr; paddr.ppa = addr; - return __linear_to_generic_addr(dev, paddr); + return linear_to_generic_addr(dev, paddr); } /* requires lun->lock taken */ diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 917d47e290ae..3147c8d09ea8 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -112,7 +112,8 @@ struct iv_tcw_private { * and encrypts / decrypts at the same time. */ enum flags { DM_CRYPT_SUSPENDED, DM_CRYPT_KEY_VALID, - DM_CRYPT_SAME_CPU, DM_CRYPT_NO_OFFLOAD }; + DM_CRYPT_SAME_CPU, DM_CRYPT_NO_OFFLOAD, + DM_CRYPT_EXIT_THREAD}; /* * The fields in here must be read only after initialization. @@ -1203,20 +1204,18 @@ continue_locked: if (!RB_EMPTY_ROOT(&cc->write_tree)) goto pop_from_list; + if (unlikely(test_bit(DM_CRYPT_EXIT_THREAD, &cc->flags))) { + spin_unlock_irq(&cc->write_thread_wait.lock); + break; + } + __set_current_state(TASK_INTERRUPTIBLE); __add_wait_queue(&cc->write_thread_wait, &wait); spin_unlock_irq(&cc->write_thread_wait.lock); - if (unlikely(kthread_should_stop())) { - set_task_state(current, TASK_RUNNING); - remove_wait_queue(&cc->write_thread_wait, &wait); - break; - } - schedule(); - set_task_state(current, TASK_RUNNING); spin_lock_irq(&cc->write_thread_wait.lock); __remove_wait_queue(&cc->write_thread_wait, &wait); goto continue_locked; @@ -1531,8 +1530,13 @@ static void crypt_dtr(struct dm_target *ti) if (!cc) return; - if (cc->write_thread) + if (cc->write_thread) { + spin_lock_irq(&cc->write_thread_wait.lock); + set_bit(DM_CRYPT_EXIT_THREAD, &cc->flags); + wake_up_locked(&cc->write_thread_wait); + spin_unlock_irq(&cc->write_thread_wait.lock); kthread_stop(cc->write_thread); + } if (cc->io_queue) destroy_workqueue(cc->io_queue); diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index aaa6caa46a9f..cfa29f574c2a 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1537,32 +1537,34 @@ static int multipath_prepare_ioctl(struct dm_target *ti, struct block_device **bdev, fmode_t *mode) { struct multipath *m = ti->private; - struct pgpath *pgpath; unsigned long flags; int r; - r = 0; - spin_lock_irqsave(&m->lock, flags); if (!m->current_pgpath) __choose_pgpath(m, 0); - pgpath = m->current_pgpath; - - if (pgpath) { - *bdev = pgpath->path.dev->bdev; - *mode = pgpath->path.dev->mode; + if (m->current_pgpath) { + if (!m->queue_io) { + *bdev = m->current_pgpath->path.dev->bdev; + *mode = m->current_pgpath->path.dev->mode; + r = 0; + } else { + /* pg_init has not started or completed */ + r = -ENOTCONN; + } + } else { + /* No path is available */ + if (m->queue_if_no_path) + r = -ENOTCONN; + else + r = -EIO; } - if ((pgpath && m->queue_io) || (!pgpath && m->queue_if_no_path)) - r = -ENOTCONN; - else if (!*bdev) - r = -EIO; - spin_unlock_irqrestore(&m->lock, flags); - if (r == -ENOTCONN && !fatal_signal_pending(current)) { + if (r == -ENOTCONN) { spin_lock_irqsave(&m->lock, flags); if (!m->current_pg) { /* Path status changed, redo selection */ diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 3897b90bd462..63903a5a5d9e 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2432,6 +2432,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) case PM_WRITE: if (old_mode != new_mode) notify_of_pool_mode_change(pool, "write"); + pool->pf.error_if_no_space = pt->requested_pf.error_if_no_space; dm_pool_metadata_read_write(pool->pmd); pool->process_bio = process_bio; pool->process_discard = process_discard_bio; @@ -4249,10 +4250,9 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits) { struct thin_c *tc = ti->private; struct pool *pool = tc->pool; - struct queue_limits *pool_limits = dm_get_queue_limits(pool->pool_md); - if (!pool_limits->discard_granularity) - return; /* pool's discard support is disabled */ + if (!pool->pf.discard_enabled) + return; limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT; limits->max_discard_sectors = 2048 * 1024 * 16; /* 16G */ diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6e15f3565892..5df40480228b 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -591,7 +591,7 @@ retry: out: dm_put_live_table(md, *srcu_idx); - if (r == -ENOTCONN) { + if (r == -ENOTCONN && !fatal_signal_pending(current)) { msleep(10); goto retry; } @@ -603,9 +603,10 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode, { struct mapped_device *md = bdev->bd_disk->private_data; struct dm_target *tgt; + struct block_device *tgt_bdev = NULL; int srcu_idx, r; - r = dm_get_live_table_for_ioctl(md, &tgt, &bdev, &mode, &srcu_idx); + r = dm_get_live_table_for_ioctl(md, &tgt, &tgt_bdev, &mode, &srcu_idx); if (r < 0) return r; @@ -620,7 +621,7 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode, goto out; } - r = __blkdev_driver_ioctl(bdev, mode, cmd, arg); + r = __blkdev_driver_ioctl(tgt_bdev, mode, cmd, arg); out: dm_put_live_table(md, srcu_idx); return r; diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c index 35759a91d47d..e8f847226a19 100644 --- a/drivers/media/pci/cx23885/cx23885-core.c +++ b/drivers/media/pci/cx23885/cx23885-core.c @@ -1992,9 +1992,9 @@ static int cx23885_initdev(struct pci_dev *pci_dev, (unsigned long long)pci_resource_start(pci_dev, 0)); pci_set_master(pci_dev); - if (!pci_set_dma_mask(pci_dev, 0xffffffff)) { + err = pci_set_dma_mask(pci_dev, 0xffffffff); + if (err) { printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); - err = -EIO; goto fail_context; } diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c index dbc695f32760..0042803a9de7 100644 --- a/drivers/media/pci/cx25821/cx25821-core.c +++ b/drivers/media/pci/cx25821/cx25821-core.c @@ -1319,7 +1319,8 @@ static int cx25821_initdev(struct pci_dev *pci_dev, dev->pci_lat, (unsigned long long)dev->base_io_addr); pci_set_master(pci_dev); - if (!pci_set_dma_mask(pci_dev, 0xffffffff)) { + err = pci_set_dma_mask(pci_dev, 0xffffffff); + if (err) { pr_err("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); err = -EIO; goto fail_irq; diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c index 0ed1b6530374..1b5268f9bb24 100644 --- a/drivers/media/pci/cx88/cx88-alsa.c +++ b/drivers/media/pci/cx88/cx88-alsa.c @@ -890,9 +890,9 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci, return err; } - if (!pci_set_dma_mask(pci,DMA_BIT_MASK(32))) { + err = pci_set_dma_mask(pci,DMA_BIT_MASK(32)); + if (err) { dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name); - err = -EIO; cx88_core_put(core, pci); return err; } diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c index 9db7767d1fe0..f34c229f9b37 100644 --- a/drivers/media/pci/cx88/cx88-mpeg.c +++ b/drivers/media/pci/cx88/cx88-mpeg.c @@ -393,7 +393,8 @@ static int cx8802_init_common(struct cx8802_dev *dev) if (pci_enable_device(dev->pci)) return -EIO; pci_set_master(dev->pci); - if (!pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32))) { + err = pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32)); + if (err) { printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); return -EIO; } diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c index 0de1ad5a977d..aef9acf351f6 100644 --- a/drivers/media/pci/cx88/cx88-video.c +++ b/drivers/media/pci/cx88/cx88-video.c @@ -1314,9 +1314,9 @@ static int cx8800_initdev(struct pci_dev *pci_dev, dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); pci_set_master(pci_dev); - if (!pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32))) { + err = pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32)); + if (err) { printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name); - err = -EIO; goto fail_core; } dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev); diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c index 60b2d462f98d..3fdbd81b5580 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -810,7 +810,7 @@ static int netup_unidvb_initdev(struct pci_dev *pci_dev, "%s(): board vendor 0x%x, revision 0x%x\n", __func__, board_vendor, board_revision); pci_set_master(pci_dev); - if (!pci_set_dma_mask(pci_dev, 0xffffffff)) { + if (pci_set_dma_mask(pci_dev, 0xffffffff) < 0) { dev_err(&pci_dev->dev, "%s(): 32bit PCI DMA is not supported\n", __func__); goto pci_detect_err; diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c index e79d63eb774e..f720cea80e28 100644 --- a/drivers/media/pci/saa7134/saa7134-core.c +++ b/drivers/media/pci/saa7134/saa7134-core.c @@ -951,9 +951,9 @@ static int saa7134_initdev(struct pci_dev *pci_dev, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); pci_set_master(pci_dev); - if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) { + err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); + if (err) { pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name); - err = -EIO; goto fail1; } diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c index 8f36b48ef733..8bbd092fbe1d 100644 --- a/drivers/media/pci/saa7164/saa7164-core.c +++ b/drivers/media/pci/saa7164/saa7164-core.c @@ -1264,9 +1264,9 @@ static int saa7164_initdev(struct pci_dev *pci_dev, pci_set_master(pci_dev); /* TODO */ - if (!pci_set_dma_mask(pci_dev, 0xffffffff)) { + err = pci_set_dma_mask(pci_dev, 0xffffffff); + if (err) { printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); - err = -EIO; goto fail_irq; } diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c index 8c5655d351d3..4e77618fbb2b 100644 --- a/drivers/media/pci/tw68/tw68-core.c +++ b/drivers/media/pci/tw68/tw68-core.c @@ -257,9 +257,9 @@ static int tw68_initdev(struct pci_dev *pci_dev, dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, dev->pci_lat, (u64)pci_resource_start(pci_dev, 0)); pci_set_master(pci_dev); - if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) { + err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); + if (err) { pr_info("%s: Oops: no 32bit PCI DMA ???\n", dev->name); - err = -EIO; goto fail1; } diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 23b6c8e8701c..d8486168415a 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -65,8 +65,7 @@ MODULE_ALIAS("mmc:block"); #define MMC_SANITIZE_REQ_TIMEOUT 240000 #define MMC_EXTRACT_INDEX_FROM_ARG(x) ((x & 0x00FF0000) >> 16) -#define mmc_req_rel_wr(req) (((req->cmd_flags & REQ_FUA) || \ - (req->cmd_flags & REQ_META)) && \ +#define mmc_req_rel_wr(req) ((req->cmd_flags & REQ_FUA) && \ (rq_data_dir(req) == WRITE)) #define PACKED_CMD_VER 0x01 #define PACKED_CMD_WR 0x02 @@ -1467,13 +1466,9 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, /* * Reliable writes are used to implement Forced Unit Access and - * REQ_META accesses, and are supported only on MMCs. - * - * XXX: this really needs a good explanation of why REQ_META - * is treated special. + * are supported only on MMCs. */ - bool do_rel_wr = ((req->cmd_flags & REQ_FUA) || - (req->cmd_flags & REQ_META)) && + bool do_rel_wr = (req->cmd_flags & REQ_FUA) && (rq_data_dir(req) == WRITE) && (md->flags & MMC_BLK_REL_WR); diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index c793fda27321..3a9a79ec4343 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1040,9 +1040,24 @@ static int mmc_select_hs_ddr(struct mmc_card *card) return err; } +/* Caller must hold re-tuning */ +static int mmc_switch_status(struct mmc_card *card) +{ + u32 status; + int err; + + err = mmc_send_status(card, &status); + if (err) + return err; + + return mmc_switch_status_error(card->host, status); +} + static int mmc_select_hs400(struct mmc_card *card) { struct mmc_host *host = card->host; + bool send_status = true; + unsigned int max_dtr; int err = 0; u8 val; @@ -1053,25 +1068,36 @@ static int mmc_select_hs400(struct mmc_card *card) host->ios.bus_width == MMC_BUS_WIDTH_8)) return 0; - /* - * Before switching to dual data rate operation for HS400, - * it is required to convert from HS200 mode to HS mode. - */ - mmc_set_timing(card->host, MMC_TIMING_MMC_HS); - mmc_set_bus_speed(card); + if (host->caps & MMC_CAP_WAIT_WHILE_BUSY) + send_status = false; + /* Reduce frequency to HS frequency */ + max_dtr = card->ext_csd.hs_max_dtr; + mmc_set_clock(host, max_dtr); + + /* Switch card to HS mode */ val = EXT_CSD_TIMING_HS | card->drive_strength << EXT_CSD_DRV_STR_SHIFT; err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, val, card->ext_csd.generic_cmd6_time, - true, true, true); + true, send_status, true); if (err) { pr_err("%s: switch to high-speed from hs200 failed, err:%d\n", mmc_hostname(host), err); return err; } + /* Set host controller to HS timing */ + mmc_set_timing(card->host, MMC_TIMING_MMC_HS); + + if (!send_status) { + err = mmc_switch_status(card); + if (err) + goto out_err; + } + + /* Switch card to DDR */ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, EXT_CSD_DDR_BUS_WIDTH_8, @@ -1082,22 +1108,35 @@ static int mmc_select_hs400(struct mmc_card *card) return err; } + /* Switch card to HS400 */ val = EXT_CSD_TIMING_HS400 | card->drive_strength << EXT_CSD_DRV_STR_SHIFT; err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, val, card->ext_csd.generic_cmd6_time, - true, true, true); + true, send_status, true); if (err) { pr_err("%s: switch to hs400 failed, err:%d\n", mmc_hostname(host), err); return err; } + /* Set host controller to HS400 timing and frequency */ mmc_set_timing(host, MMC_TIMING_MMC_HS400); mmc_set_bus_speed(card); + if (!send_status) { + err = mmc_switch_status(card); + if (err) + goto out_err; + } + return 0; + +out_err: + pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), + __func__, err); + return err; } int mmc_hs200_to_hs400(struct mmc_card *card) @@ -1105,19 +1144,6 @@ int mmc_hs200_to_hs400(struct mmc_card *card) return mmc_select_hs400(card); } -/* Caller must hold re-tuning */ -static int mmc_switch_status(struct mmc_card *card) -{ - u32 status; - int err; - - err = mmc_send_status(card, &status); - if (err) - return err; - - return mmc_switch_status_error(card->host, status); -} - int mmc_hs400_to_hs200(struct mmc_card *card) { struct mmc_host *host = card->host; @@ -1219,6 +1245,8 @@ static void mmc_select_driver_type(struct mmc_card *card) static int mmc_select_hs200(struct mmc_card *card) { struct mmc_host *host = card->host; + bool send_status = true; + unsigned int old_timing; int err = -EINVAL; u8 val; @@ -1234,6 +1262,9 @@ static int mmc_select_hs200(struct mmc_card *card) mmc_select_driver_type(card); + if (host->caps & MMC_CAP_WAIT_WHILE_BUSY) + send_status = false; + /* * Set the bus width(4 or 8) with host's support and * switch to HS200 mode if bus width is set successfully. @@ -1245,11 +1276,25 @@ static int mmc_select_hs200(struct mmc_card *card) err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, val, card->ext_csd.generic_cmd6_time, - true, true, true); - if (!err) - mmc_set_timing(host, MMC_TIMING_MMC_HS200); + true, send_status, true); + if (err) + goto err; + old_timing = host->ios.timing; + mmc_set_timing(host, MMC_TIMING_MMC_HS200); + if (!send_status) { + err = mmc_switch_status(card); + /* + * mmc_select_timing() assumes timing has not changed if + * it is a switch error. + */ + if (err == -EBADMSG) + mmc_set_timing(host, old_timing); + } } err: + if (err) + pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host), + __func__, err); return err; } diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index af71de5fda3b..1dee533634c9 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -473,6 +473,7 @@ config MMC_DAVINCI config MMC_GOLDFISH tristate "goldfish qemu Multimedia Card Interface support" + depends on HAS_DMA depends on GOLDFISH || COMPILE_TEST help This selects the Goldfish Multimedia card Interface emulation diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 39568cc29a2a..33dfd7e72516 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -1276,7 +1276,7 @@ static struct msdc_delay_phase get_best_delay(struct msdc_host *host, u32 delay) int start = 0, len = 0; int start_final = 0, len_final = 0; u8 final_phase = 0xff; - struct msdc_delay_phase delay_phase; + struct msdc_delay_phase delay_phase = { 0, }; if (delay == 0) { dev_err(host->dev, "phase error: [map:%x]\n", delay); diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 8cadd74e8407..ce08896b9d69 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -805,7 +805,7 @@ static int pxamci_probe(struct platform_device *pdev) goto out; } else { mmc->caps |= host->pdata->gpio_card_ro_invert ? - MMC_CAP2_RO_ACTIVE_HIGH : 0; + 0 : MMC_CAP2_RO_ACTIVE_HIGH; } if (gpio_is_valid(gpio_cd)) diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c index dc4e8446f1ff..5a99a93ed025 100644 --- a/drivers/mtd/nand/jz4740_nand.c +++ b/drivers/mtd/nand/jz4740_nand.c @@ -25,6 +25,7 @@ #include <linux/gpio.h> +#include <asm/mach-jz4740/gpio.h> #include <asm/mach-jz4740/jz4740_nand.h> #define JZ_REG_NAND_CTRL 0x50 diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index cc74142938b0..ece544efccc3 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -3110,7 +3110,7 @@ static void nand_resume(struct mtd_info *mtd) */ static void nand_shutdown(struct mtd_info *mtd) { - nand_get_device(mtd, FL_SHUTDOWN); + nand_get_device(mtd, FL_PM_SUSPENDED); } /* Set default functions */ diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c index 57dadd52b428..1deb8ff90a89 100644 --- a/drivers/net/can/bfin_can.c +++ b/drivers/net/can/bfin_can.c @@ -501,8 +501,6 @@ static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status) cf->data[2] |= CAN_ERR_PROT_FORM; else if (status & SER) cf->data[2] |= CAN_ERR_PROT_STUFF; - else - cf->data[2] |= CAN_ERR_PROT_UNSPEC; } priv->can.state = state; diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 5d214d135332..f91b094288da 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -962,7 +962,6 @@ static int c_can_handle_bus_err(struct net_device *dev, * type of the last error to occur on the CAN bus */ cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR; - cf->data[2] |= CAN_ERR_PROT_UNSPEC; switch (lec_type) { case LEC_STUFF_ERROR: @@ -975,8 +974,7 @@ static int c_can_handle_bus_err(struct net_device *dev, break; case LEC_ACK_ERROR: netdev_dbg(dev, "ack error\n"); - cf->data[3] |= (CAN_ERR_PROT_LOC_ACK | - CAN_ERR_PROT_LOC_ACK_DEL); + cf->data[3] = CAN_ERR_PROT_LOC_ACK; break; case LEC_BIT1_ERROR: netdev_dbg(dev, "bit1 error\n"); @@ -988,8 +986,7 @@ static int c_can_handle_bus_err(struct net_device *dev, break; case LEC_CRC_ERROR: netdev_dbg(dev, "CRC error\n"); - cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ | - CAN_ERR_PROT_LOC_CRC_DEL); + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; break; default: break; diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c index 70a8cbb29e75..1e37313054f3 100644 --- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -578,7 +578,7 @@ static int cc770_err(struct net_device *dev, u8 status) cf->data[2] |= CAN_ERR_PROT_BIT0; break; case STAT_LEC_CRC: - cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ; + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; break; } } diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 868fe945e35a..41c0fc9f3b14 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -535,13 +535,13 @@ static void do_bus_err(struct net_device *dev, if (reg_esr & FLEXCAN_ESR_ACK_ERR) { netdev_dbg(dev, "ACK_ERR irq\n"); cf->can_id |= CAN_ERR_ACK; - cf->data[3] |= CAN_ERR_PROT_LOC_ACK; + cf->data[3] = CAN_ERR_PROT_LOC_ACK; tx_errors = 1; } if (reg_esr & FLEXCAN_ESR_CRC_ERR) { netdev_dbg(dev, "CRC_ERR irq\n"); cf->data[2] |= CAN_ERR_PROT_BIT; - cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ; + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; rx_errors = 1; } if (reg_esr & FLEXCAN_ESR_FRM_ERR) { diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index c1e85368a198..5d04f5464faf 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -1096,7 +1096,6 @@ static int ican3_handle_cevtind(struct ican3_dev *mod, struct ican3_msg *msg) cf->data[2] |= CAN_ERR_PROT_STUFF; break; default: - cf->data[2] |= CAN_ERR_PROT_UNSPEC; cf->data[3] = ecc & ECC_SEG; break; } diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index ef655177bb5e..39cf911f7a1e 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -487,7 +487,6 @@ static int m_can_handle_lec_err(struct net_device *dev, * type of the last error to occur on the CAN bus */ cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR; - cf->data[2] |= CAN_ERR_PROT_UNSPEC; switch (lec_type) { case LEC_STUFF_ERROR: @@ -500,8 +499,7 @@ static int m_can_handle_lec_err(struct net_device *dev, break; case LEC_ACK_ERROR: netdev_dbg(dev, "ack error\n"); - cf->data[3] |= (CAN_ERR_PROT_LOC_ACK | - CAN_ERR_PROT_LOC_ACK_DEL); + cf->data[3] = CAN_ERR_PROT_LOC_ACK; break; case LEC_BIT1_ERROR: netdev_dbg(dev, "bit1 error\n"); @@ -513,8 +511,7 @@ static int m_can_handle_lec_err(struct net_device *dev, break; case LEC_CRC_ERROR: netdev_dbg(dev, "CRC error\n"); - cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ | - CAN_ERR_PROT_LOC_CRC_DEL); + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; break; default: break; diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index e187ca783da0..c1317889d3d8 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -559,8 +559,7 @@ static void pch_can_error(struct net_device *ndev, u32 status) stats->rx_errors++; break; case PCH_CRC_ERR: - cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ | - CAN_ERR_PROT_LOC_CRC_DEL; + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; priv->can.can_stats.bus_error++; stats->rx_errors++; break; diff --git a/drivers/net/can/rcar_can.c b/drivers/net/can/rcar_can.c index 7bd54191f962..bc46be39549d 100644 --- a/drivers/net/can/rcar_can.c +++ b/drivers/net/can/rcar_can.c @@ -241,17 +241,16 @@ static void rcar_can_error(struct net_device *ndev) u8 ecsr; netdev_dbg(priv->ndev, "Bus error interrupt:\n"); - if (skb) { + if (skb) cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT; - cf->data[2] = CAN_ERR_PROT_UNSPEC; - } + ecsr = readb(&priv->regs->ecsr); if (ecsr & RCAR_CAN_ECSR_ADEF) { netdev_dbg(priv->ndev, "ACK Delimiter Error\n"); tx_errors++; writeb(~RCAR_CAN_ECSR_ADEF, &priv->regs->ecsr); if (skb) - cf->data[3] |= CAN_ERR_PROT_LOC_ACK_DEL; + cf->data[3] = CAN_ERR_PROT_LOC_ACK_DEL; } if (ecsr & RCAR_CAN_ECSR_BE0F) { netdev_dbg(priv->ndev, "Bit Error (dominant)\n"); @@ -272,7 +271,7 @@ static void rcar_can_error(struct net_device *ndev) rx_errors++; writeb(~RCAR_CAN_ECSR_CEF, &priv->regs->ecsr); if (skb) - cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ; + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; } if (ecsr & RCAR_CAN_ECSR_AEF) { netdev_dbg(priv->ndev, "ACK Error\n"); @@ -280,7 +279,7 @@ static void rcar_can_error(struct net_device *ndev) writeb(~RCAR_CAN_ECSR_AEF, &priv->regs->ecsr); if (skb) { cf->can_id |= CAN_ERR_ACK; - cf->data[3] |= CAN_ERR_PROT_LOC_ACK; + cf->data[3] = CAN_ERR_PROT_LOC_ACK; } } if (ecsr & RCAR_CAN_ECSR_FEF) { diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 7b92e911a616..8dda3b703d39 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -218,6 +218,9 @@ static void sja1000_start(struct net_device *dev) priv->write_reg(priv, SJA1000_RXERR, 0x0); priv->read_reg(priv, SJA1000_ECC); + /* clear interrupt flags */ + priv->read_reg(priv, SJA1000_IR); + /* leave reset mode */ set_normal_mode(dev); } @@ -446,7 +449,6 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status) cf->data[2] |= CAN_ERR_PROT_STUFF; break; default: - cf->data[2] |= CAN_ERR_PROT_UNSPEC; cf->data[3] = ecc & ECC_SEG; break; } diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c index d9a42c646783..68ef0a4cd821 100644 --- a/drivers/net/can/sun4i_can.c +++ b/drivers/net/can/sun4i_can.c @@ -575,7 +575,6 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status) cf->data[2] |= CAN_ERR_PROT_STUFF; break; default: - cf->data[2] |= CAN_ERR_PROT_UNSPEC; cf->data[3] = (ecc & SUN4I_STA_ERR_SEG_CODE) >> 16; break; diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index cf345cbfe819..680d1ff07a55 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -722,7 +722,6 @@ static int ti_hecc_error(struct net_device *ndev, int int_status, if (err_status & HECC_BUS_ERROR) { ++priv->can.can_stats.bus_error; cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT; - cf->data[2] |= CAN_ERR_PROT_UNSPEC; if (err_status & HECC_CANES_FE) { hecc_set_bit(priv, HECC_CANES, HECC_CANES_FE); cf->data[2] |= CAN_ERR_PROT_FORM; @@ -737,13 +736,11 @@ static int ti_hecc_error(struct net_device *ndev, int int_status, } if (err_status & HECC_CANES_CRCE) { hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE); - cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ | - CAN_ERR_PROT_LOC_CRC_DEL; + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; } if (err_status & HECC_CANES_ACKE) { hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE); - cf->data[3] |= CAN_ERR_PROT_LOC_ACK | - CAN_ERR_PROT_LOC_ACK_DEL; + cf->data[3] = CAN_ERR_PROT_LOC_ACK; } } diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 2d390384ef3b..fc5b75675cd8 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -377,7 +377,6 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg) cf->data[2] |= CAN_ERR_PROT_STUFF; break; default: - cf->data[2] |= CAN_ERR_PROT_UNSPEC; cf->data[3] = ecc & SJA1000_ECC_SEG; break; } diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 0e5a4493ba4f..113e64fcd73b 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -282,7 +282,6 @@ static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv, cf->data[2] |= CAN_ERR_PROT_STUFF; break; default: - cf->data[2] |= CAN_ERR_PROT_UNSPEC; cf->data[3] = ecc & SJA1000_ECC_SEG; break; } diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 8b17a9065b0b..022bfa13ebfa 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -944,10 +944,9 @@ static void kvaser_usb_rx_error(const struct kvaser_usb *dev, cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT; if (es->leaf.error_factor & M16C_EF_ACKE) - cf->data[3] |= (CAN_ERR_PROT_LOC_ACK); + cf->data[3] = CAN_ERR_PROT_LOC_ACK; if (es->leaf.error_factor & M16C_EF_CRCE) - cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ | - CAN_ERR_PROT_LOC_CRC_DEL); + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; if (es->leaf.error_factor & M16C_EF_FORME) cf->data[2] |= CAN_ERR_PROT_FORM; if (es->leaf.error_factor & M16C_EF_STFE) diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index de95b1ccba3e..a731720f1d13 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -401,9 +401,7 @@ static void usb_8dev_rx_err_msg(struct usb_8dev_priv *priv, tx_errors = 1; break; case USB_8DEV_STATUSMSG_CRC: - cf->data[2] |= CAN_ERR_PROT_UNSPEC; - cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ | - CAN_ERR_PROT_LOC_CRC_DEL; + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; rx_errors = 1; break; case USB_8DEV_STATUSMSG_BIT0: diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c index fc55e8e0351d..51670b322409 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -608,17 +608,15 @@ static void xcan_err_interrupt(struct net_device *ndev, u32 isr) /* Check for error interrupt */ if (isr & XCAN_IXR_ERROR_MASK) { - if (skb) { + if (skb) cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR; - cf->data[2] |= CAN_ERR_PROT_UNSPEC; - } /* Check for Ack error interrupt */ if (err_status & XCAN_ESR_ACKER_MASK) { stats->tx_errors++; if (skb) { cf->can_id |= CAN_ERR_ACK; - cf->data[3] |= CAN_ERR_PROT_LOC_ACK; + cf->data[3] = CAN_ERR_PROT_LOC_ACK; } } @@ -654,8 +652,7 @@ static void xcan_err_interrupt(struct net_device *ndev, u32 isr) stats->rx_errors++; if (skb) { cf->can_id |= CAN_ERR_PROT; - cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ | - CAN_ERR_PROT_LOC_CRC_DEL; + cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ; } } priv->can.can_stats.bus_error++; diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index 955d06b9cdba..31c5e476fd64 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -29,6 +29,7 @@ source "drivers/net/ethernet/apm/Kconfig" source "drivers/net/ethernet/apple/Kconfig" source "drivers/net/ethernet/arc/Kconfig" source "drivers/net/ethernet/atheros/Kconfig" +source "drivers/net/ethernet/aurora/Kconfig" source "drivers/net/ethernet/cadence/Kconfig" source "drivers/net/ethernet/adi/Kconfig" source "drivers/net/ethernet/broadcom/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 4a2ee98738f0..071f84eb6f3f 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_NET_XGENE) += apm/ obj-$(CONFIG_NET_VENDOR_APPLE) += apple/ obj-$(CONFIG_NET_VENDOR_ARC) += arc/ obj-$(CONFIG_NET_VENDOR_ATHEROS) += atheros/ +obj-$(CONFIG_NET_VENDOR_AURORA) += aurora/ obj-$(CONFIG_NET_CADENCE) += cadence/ obj-$(CONFIG_NET_BFIN) += adi/ obj-$(CONFIG_NET_VENDOR_BROADCOM) += broadcom/ diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c index e2afabf3a465..7ccebae9cb48 100644 --- a/drivers/net/ethernet/amd/pcnet32.c +++ b/drivers/net/ethernet/amd/pcnet32.c @@ -1500,10 +1500,11 @@ pcnet32_probe_pci(struct pci_dev *pdev, const struct pci_device_id *ent) return -ENODEV; } - if (!pci_set_dma_mask(pdev, PCNET32_DMA_MASK)) { + err = pci_set_dma_mask(pdev, PCNET32_DMA_MASK); + if (err) { if (pcnet32_debug & NETIF_MSG_PROBE) pr_err("architecture does not support 32bit PCI busmaster DMA\n"); - return -ENODEV; + return err; } if (!request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci")) { if (pcnet32_debug & NETIF_MSG_PROBE) diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 991412ce6f48..9147a0107c44 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -450,12 +450,12 @@ static netdev_tx_t xgene_enet_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } - pdata->ring_ops->wr_cmd(tx_ring, count); skb_tx_timestamp(skb); pdata->stats.tx_packets++; pdata->stats.tx_bytes += skb->len; + pdata->ring_ops->wr_cmd(tx_ring, count); return NETDEV_TX_OK; } @@ -688,10 +688,10 @@ static int xgene_enet_open(struct net_device *ndev) mac_ops->tx_enable(pdata); mac_ops->rx_enable(pdata); + xgene_enet_napi_enable(pdata); ret = xgene_enet_register_irq(ndev); if (ret) return ret; - xgene_enet_napi_enable(pdata); if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) phy_start(pdata->phy_dev); @@ -715,13 +715,13 @@ static int xgene_enet_close(struct net_device *ndev) else cancel_delayed_work_sync(&pdata->link_work); - xgene_enet_napi_disable(pdata); - xgene_enet_free_irq(ndev); - xgene_enet_process_ring(pdata->rx_ring, -1); - mac_ops->tx_disable(pdata); mac_ops->rx_disable(pdata); + xgene_enet_free_irq(ndev); + xgene_enet_napi_disable(pdata); + xgene_enet_process_ring(pdata->rx_ring, -1); + return 0; } @@ -1474,15 +1474,15 @@ static int xgene_enet_probe(struct platform_device *pdev) } ndev->hw_features = ndev->features; - ret = register_netdev(ndev); + ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64)); if (ret) { - netdev_err(ndev, "Failed to register netdev\n"); + netdev_err(ndev, "No usable DMA configuration\n"); goto err; } - ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64)); + ret = register_netdev(ndev); if (ret) { - netdev_err(ndev, "No usable DMA configuration\n"); + netdev_err(ndev, "Failed to register netdev\n"); goto err; } @@ -1490,14 +1490,17 @@ static int xgene_enet_probe(struct platform_device *pdev) if (ret) goto err; - xgene_enet_napi_add(pdata); mac_ops = pdata->mac_ops; - if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) + if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) { ret = xgene_enet_mdio_config(pdata); - else + if (ret) + goto err; + } else { INIT_DELAYED_WORK(&pdata->link_work, mac_ops->link_state); + } - return ret; + xgene_enet_napi_add(pdata); + return 0; err: unregister_netdev(ndev); free_netdev(ndev); diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index c8af3ce3ea38..bd377a6b067d 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -1534,6 +1534,8 @@ static const struct pci_device_id alx_pci_tbl[] = { .driver_data = ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG }, { PCI_VDEVICE(ATTANSIC, ALX_DEV_ID_E2200), .driver_data = ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG }, + { PCI_VDEVICE(ATTANSIC, ALX_DEV_ID_E2400), + .driver_data = ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG }, { PCI_VDEVICE(ATTANSIC, ALX_DEV_ID_AR8162), .driver_data = ALX_DEV_QUIRK_MSI_INTX_DISABLE_BUG }, { PCI_VDEVICE(ATTANSIC, ALX_DEV_ID_AR8171) }, diff --git a/drivers/net/ethernet/atheros/alx/reg.h b/drivers/net/ethernet/atheros/alx/reg.h index af006b44b2a6..0959e6824cb6 100644 --- a/drivers/net/ethernet/atheros/alx/reg.h +++ b/drivers/net/ethernet/atheros/alx/reg.h @@ -37,6 +37,7 @@ #define ALX_DEV_ID_AR8161 0x1091 #define ALX_DEV_ID_E2200 0xe091 +#define ALX_DEV_ID_E2400 0xe0a1 #define ALX_DEV_ID_AR8162 0x1090 #define ALX_DEV_ID_AR8171 0x10A1 #define ALX_DEV_ID_AR8172 0x10A0 diff --git a/drivers/net/ethernet/aurora/Kconfig b/drivers/net/ethernet/aurora/Kconfig new file mode 100644 index 000000000000..a3c7106fdf85 --- /dev/null +++ b/drivers/net/ethernet/aurora/Kconfig @@ -0,0 +1,20 @@ +config NET_VENDOR_AURORA + bool "Aurora VLSI devices" + help + If you have a network (Ethernet) device belonging to this class, + say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + questions about Aurora devices. If you say Y, you will be asked + for your specific device in the following questions. + +if NET_VENDOR_AURORA + +config AURORA_NB8800 + tristate "Aurora AU-NB8800 support" + select PHYLIB + help + Support for the AU-NB8800 gigabit Ethernet controller. + +endif diff --git a/drivers/net/ethernet/aurora/Makefile b/drivers/net/ethernet/aurora/Makefile new file mode 100644 index 000000000000..6cb528a2fc26 --- /dev/null +++ b/drivers/net/ethernet/aurora/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_AURORA_NB8800) += nb8800.o diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c new file mode 100644 index 000000000000..ecc4a334c507 --- /dev/null +++ b/drivers/net/ethernet/aurora/nb8800.c @@ -0,0 +1,1552 @@ +/* + * Copyright (C) 2015 Mans Rullgard <mans@mansr.com> + * + * Mostly rewritten, based on driver from Sigma Designs. Original + * copyright notice below. + * + * + * Driver for tangox SMP864x/SMP865x/SMP867x/SMP868x builtin Ethernet Mac. + * + * Copyright (C) 2005 Maxime Bizon <mbizon@freebox.fr> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/etherdevice.h> +#include <linux/delay.h> +#include <linux/ethtool.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/of_device.h> +#include <linux/of_mdio.h> +#include <linux/of_net.h> +#include <linux/dma-mapping.h> +#include <linux/phy.h> +#include <linux/cache.h> +#include <linux/jiffies.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <asm/barrier.h> + +#include "nb8800.h" + +static void nb8800_tx_done(struct net_device *dev); +static int nb8800_dma_stop(struct net_device *dev); + +static inline u8 nb8800_readb(struct nb8800_priv *priv, int reg) +{ + return readb_relaxed(priv->base + reg); +} + +static inline u32 nb8800_readl(struct nb8800_priv *priv, int reg) +{ + return readl_relaxed(priv->base + reg); +} + +static inline void nb8800_writeb(struct nb8800_priv *priv, int reg, u8 val) +{ + writeb_relaxed(val, priv->base + reg); +} + +static inline void nb8800_writew(struct nb8800_priv *priv, int reg, u16 val) +{ + writew_relaxed(val, priv->base + reg); +} + +static inline void nb8800_writel(struct nb8800_priv *priv, int reg, u32 val) +{ + writel_relaxed(val, priv->base + reg); +} + +static inline void nb8800_maskb(struct nb8800_priv *priv, int reg, + u32 mask, u32 val) +{ + u32 old = nb8800_readb(priv, reg); + u32 new = (old & ~mask) | (val & mask); + + if (new != old) + nb8800_writeb(priv, reg, new); +} + +static inline void nb8800_maskl(struct nb8800_priv *priv, int reg, + u32 mask, u32 val) +{ + u32 old = nb8800_readl(priv, reg); + u32 new = (old & ~mask) | (val & mask); + + if (new != old) + nb8800_writel(priv, reg, new); +} + +static inline void nb8800_modb(struct nb8800_priv *priv, int reg, u8 bits, + bool set) +{ + nb8800_maskb(priv, reg, bits, set ? bits : 0); +} + +static inline void nb8800_setb(struct nb8800_priv *priv, int reg, u8 bits) +{ + nb8800_maskb(priv, reg, bits, bits); +} + +static inline void nb8800_clearb(struct nb8800_priv *priv, int reg, u8 bits) +{ + nb8800_maskb(priv, reg, bits, 0); +} + +static inline void nb8800_modl(struct nb8800_priv *priv, int reg, u32 bits, + bool set) +{ + nb8800_maskl(priv, reg, bits, set ? bits : 0); +} + +static inline void nb8800_setl(struct nb8800_priv *priv, int reg, u32 bits) +{ + nb8800_maskl(priv, reg, bits, bits); +} + +static inline void nb8800_clearl(struct nb8800_priv *priv, int reg, u32 bits) +{ + nb8800_maskl(priv, reg, bits, 0); +} + +static int nb8800_mdio_wait(struct mii_bus *bus) +{ + struct nb8800_priv *priv = bus->priv; + u32 val; + + return readl_poll_timeout_atomic(priv->base + NB8800_MDIO_CMD, + val, !(val & MDIO_CMD_GO), 1, 1000); +} + +static int nb8800_mdio_cmd(struct mii_bus *bus, u32 cmd) +{ + struct nb8800_priv *priv = bus->priv; + int err; + + err = nb8800_mdio_wait(bus); + if (err) + return err; + + nb8800_writel(priv, NB8800_MDIO_CMD, cmd); + udelay(10); + nb8800_writel(priv, NB8800_MDIO_CMD, cmd | MDIO_CMD_GO); + + return nb8800_mdio_wait(bus); +} + +static int nb8800_mdio_read(struct mii_bus *bus, int phy_id, int reg) +{ + struct nb8800_priv *priv = bus->priv; + u32 val; + int err; + + err = nb8800_mdio_cmd(bus, MDIO_CMD_ADDR(phy_id) | MDIO_CMD_REG(reg)); + if (err) + return err; + + val = nb8800_readl(priv, NB8800_MDIO_STS); + if (val & MDIO_STS_ERR) + return 0xffff; + + return val & 0xffff; +} + +static int nb8800_mdio_write(struct mii_bus *bus, int phy_id, int reg, u16 val) +{ + u32 cmd = MDIO_CMD_ADDR(phy_id) | MDIO_CMD_REG(reg) | + MDIO_CMD_DATA(val) | MDIO_CMD_WR; + + return nb8800_mdio_cmd(bus, cmd); +} + +static void nb8800_mac_tx(struct net_device *dev, bool enable) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + while (nb8800_readl(priv, NB8800_TXC_CR) & TCR_EN) + cpu_relax(); + + nb8800_modb(priv, NB8800_TX_CTL1, TX_EN, enable); +} + +static void nb8800_mac_rx(struct net_device *dev, bool enable) +{ + nb8800_modb(netdev_priv(dev), NB8800_RX_CTL, RX_EN, enable); +} + +static void nb8800_mac_af(struct net_device *dev, bool enable) +{ + nb8800_modb(netdev_priv(dev), NB8800_RX_CTL, RX_AF_EN, enable); +} + +static void nb8800_start_rx(struct net_device *dev) +{ + nb8800_setl(netdev_priv(dev), NB8800_RXC_CR, RCR_EN); +} + +static int nb8800_alloc_rx(struct net_device *dev, unsigned int i, bool napi) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct nb8800_rx_desc *rxd = &priv->rx_descs[i]; + struct nb8800_rx_buf *rxb = &priv->rx_bufs[i]; + int size = L1_CACHE_ALIGN(RX_BUF_SIZE); + dma_addr_t dma_addr; + struct page *page; + unsigned long offset; + void *data; + + data = napi ? napi_alloc_frag(size) : netdev_alloc_frag(size); + if (!data) + return -ENOMEM; + + page = virt_to_head_page(data); + offset = data - page_address(page); + + dma_addr = dma_map_page(&dev->dev, page, offset, RX_BUF_SIZE, + DMA_FROM_DEVICE); + + if (dma_mapping_error(&dev->dev, dma_addr)) { + skb_free_frag(data); + return -ENOMEM; + } + + rxb->page = page; + rxb->offset = offset; + rxd->desc.s_addr = dma_addr; + + return 0; +} + +static void nb8800_receive(struct net_device *dev, unsigned int i, + unsigned int len) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct nb8800_rx_desc *rxd = &priv->rx_descs[i]; + struct page *page = priv->rx_bufs[i].page; + int offset = priv->rx_bufs[i].offset; + void *data = page_address(page) + offset; + dma_addr_t dma = rxd->desc.s_addr; + struct sk_buff *skb; + unsigned int size; + int err; + + size = len <= RX_COPYBREAK ? len : RX_COPYHDR; + + skb = napi_alloc_skb(&priv->napi, size); + if (!skb) { + netdev_err(dev, "rx skb allocation failed\n"); + dev->stats.rx_dropped++; + return; + } + + if (len <= RX_COPYBREAK) { + dma_sync_single_for_cpu(&dev->dev, dma, len, DMA_FROM_DEVICE); + memcpy(skb_put(skb, len), data, len); + dma_sync_single_for_device(&dev->dev, dma, len, + DMA_FROM_DEVICE); + } else { + err = nb8800_alloc_rx(dev, i, true); + if (err) { + netdev_err(dev, "rx buffer allocation failed\n"); + dev->stats.rx_dropped++; + return; + } + + dma_unmap_page(&dev->dev, dma, RX_BUF_SIZE, DMA_FROM_DEVICE); + memcpy(skb_put(skb, RX_COPYHDR), data, RX_COPYHDR); + skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, + offset + RX_COPYHDR, len - RX_COPYHDR, + RX_BUF_SIZE); + } + + skb->protocol = eth_type_trans(skb, dev); + napi_gro_receive(&priv->napi, skb); +} + +static void nb8800_rx_error(struct net_device *dev, u32 report) +{ + if (report & RX_LENGTH_ERR) + dev->stats.rx_length_errors++; + + if (report & RX_FCS_ERR) + dev->stats.rx_crc_errors++; + + if (report & RX_FIFO_OVERRUN) + dev->stats.rx_fifo_errors++; + + if (report & RX_ALIGNMENT_ERROR) + dev->stats.rx_frame_errors++; + + dev->stats.rx_errors++; +} + +static int nb8800_poll(struct napi_struct *napi, int budget) +{ + struct net_device *dev = napi->dev; + struct nb8800_priv *priv = netdev_priv(dev); + struct nb8800_rx_desc *rxd; + unsigned int last = priv->rx_eoc; + unsigned int next; + int work = 0; + + nb8800_tx_done(dev); + +again: + while (work < budget) { + struct nb8800_rx_buf *rxb; + unsigned int len; + + next = (last + 1) % RX_DESC_COUNT; + + rxb = &priv->rx_bufs[next]; + rxd = &priv->rx_descs[next]; + + if (!rxd->report) + break; + + len = RX_BYTES_TRANSFERRED(rxd->report); + + if (IS_RX_ERROR(rxd->report)) + nb8800_rx_error(dev, rxd->report); + else + nb8800_receive(dev, next, len); + + dev->stats.rx_packets++; + dev->stats.rx_bytes += len; + + if (rxd->report & RX_MULTICAST_PKT) + dev->stats.multicast++; + + rxd->report = 0; + last = next; + work++; + } + + if (work) { + priv->rx_descs[last].desc.config |= DESC_EOC; + wmb(); /* ensure new EOC is written before clearing old */ + priv->rx_descs[priv->rx_eoc].desc.config &= ~DESC_EOC; + priv->rx_eoc = last; + nb8800_start_rx(dev); + } + + if (work < budget) { + nb8800_writel(priv, NB8800_RX_ITR, priv->rx_itr_irq); + + /* If a packet arrived after we last checked but + * before writing RX_ITR, the interrupt will be + * delayed, so we retrieve it now. + */ + if (priv->rx_descs[next].report) + goto again; + + napi_complete_done(napi, work); + } + + return work; +} + +static void __nb8800_tx_dma_start(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct nb8800_tx_buf *txb; + u32 txc_cr; + + txb = &priv->tx_bufs[priv->tx_queue]; + if (!txb->ready) + return; + + txc_cr = nb8800_readl(priv, NB8800_TXC_CR); + if (txc_cr & TCR_EN) + return; + + nb8800_writel(priv, NB8800_TX_DESC_ADDR, txb->dma_desc); + wmb(); /* ensure desc addr is written before starting DMA */ + nb8800_writel(priv, NB8800_TXC_CR, txc_cr | TCR_EN); + + priv->tx_queue = (priv->tx_queue + txb->chain_len) % TX_DESC_COUNT; +} + +static void nb8800_tx_dma_start(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + spin_lock_irq(&priv->tx_lock); + __nb8800_tx_dma_start(dev); + spin_unlock_irq(&priv->tx_lock); +} + +static void nb8800_tx_dma_start_irq(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + spin_lock(&priv->tx_lock); + __nb8800_tx_dma_start(dev); + spin_unlock(&priv->tx_lock); +} + +static int nb8800_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct nb8800_tx_desc *txd; + struct nb8800_tx_buf *txb; + struct nb8800_dma_desc *desc; + dma_addr_t dma_addr; + unsigned int dma_len; + unsigned int align; + unsigned int next; + + if (atomic_read(&priv->tx_free) <= NB8800_DESC_LOW) { + netif_stop_queue(dev); + return NETDEV_TX_BUSY; + } + + align = (8 - (uintptr_t)skb->data) & 7; + + dma_len = skb->len - align; + dma_addr = dma_map_single(&dev->dev, skb->data + align, + dma_len, DMA_TO_DEVICE); + + if (dma_mapping_error(&dev->dev, dma_addr)) { + netdev_err(dev, "tx dma mapping error\n"); + kfree_skb(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; + } + + if (atomic_dec_return(&priv->tx_free) <= NB8800_DESC_LOW) { + netif_stop_queue(dev); + skb->xmit_more = 0; + } + + next = priv->tx_next; + txb = &priv->tx_bufs[next]; + txd = &priv->tx_descs[next]; + desc = &txd->desc[0]; + + next = (next + 1) % TX_DESC_COUNT; + + if (align) { + memcpy(txd->buf, skb->data, align); + + desc->s_addr = + txb->dma_desc + offsetof(struct nb8800_tx_desc, buf); + desc->n_addr = txb->dma_desc + sizeof(txd->desc[0]); + desc->config = DESC_BTS(2) | DESC_DS | align; + + desc++; + } + + desc->s_addr = dma_addr; + desc->n_addr = priv->tx_bufs[next].dma_desc; + desc->config = DESC_BTS(2) | DESC_DS | DESC_EOF | dma_len; + + if (!skb->xmit_more) + desc->config |= DESC_EOC; + + txb->skb = skb; + txb->dma_addr = dma_addr; + txb->dma_len = dma_len; + + if (!priv->tx_chain) { + txb->chain_len = 1; + priv->tx_chain = txb; + } else { + priv->tx_chain->chain_len++; + } + + netdev_sent_queue(dev, skb->len); + + priv->tx_next = next; + + if (!skb->xmit_more) { + smp_wmb(); + priv->tx_chain->ready = true; + priv->tx_chain = NULL; + nb8800_tx_dma_start(dev); + } + + return NETDEV_TX_OK; +} + +static void nb8800_tx_error(struct net_device *dev, u32 report) +{ + if (report & TX_LATE_COLLISION) + dev->stats.collisions++; + + if (report & TX_PACKET_DROPPED) + dev->stats.tx_dropped++; + + if (report & TX_FIFO_UNDERRUN) + dev->stats.tx_fifo_errors++; + + dev->stats.tx_errors++; +} + +static void nb8800_tx_done(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + unsigned int limit = priv->tx_next; + unsigned int done = priv->tx_done; + unsigned int packets = 0; + unsigned int len = 0; + + while (done != limit) { + struct nb8800_tx_desc *txd = &priv->tx_descs[done]; + struct nb8800_tx_buf *txb = &priv->tx_bufs[done]; + struct sk_buff *skb; + + if (!txd->report) + break; + + skb = txb->skb; + len += skb->len; + + dma_unmap_single(&dev->dev, txb->dma_addr, txb->dma_len, + DMA_TO_DEVICE); + + if (IS_TX_ERROR(txd->report)) { + nb8800_tx_error(dev, txd->report); + kfree_skb(skb); + } else { + consume_skb(skb); + } + + dev->stats.tx_packets++; + dev->stats.tx_bytes += TX_BYTES_TRANSFERRED(txd->report); + dev->stats.collisions += TX_EARLY_COLLISIONS(txd->report); + + txb->skb = NULL; + txb->ready = false; + txd->report = 0; + + done = (done + 1) % TX_DESC_COUNT; + packets++; + } + + if (packets) { + smp_mb__before_atomic(); + atomic_add(packets, &priv->tx_free); + netdev_completed_queue(dev, packets, len); + netif_wake_queue(dev); + priv->tx_done = done; + } +} + +static irqreturn_t nb8800_irq(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct nb8800_priv *priv = netdev_priv(dev); + irqreturn_t ret = IRQ_NONE; + u32 val; + + /* tx interrupt */ + val = nb8800_readl(priv, NB8800_TXC_SR); + if (val) { + nb8800_writel(priv, NB8800_TXC_SR, val); + + if (val & TSR_DI) + nb8800_tx_dma_start_irq(dev); + + if (val & TSR_TI) + napi_schedule_irqoff(&priv->napi); + + if (unlikely(val & TSR_DE)) + netdev_err(dev, "TX DMA error\n"); + + /* should never happen with automatic status retrieval */ + if (unlikely(val & TSR_TO)) + netdev_err(dev, "TX Status FIFO overflow\n"); + + ret = IRQ_HANDLED; + } + + /* rx interrupt */ + val = nb8800_readl(priv, NB8800_RXC_SR); + if (val) { + nb8800_writel(priv, NB8800_RXC_SR, val); + + if (likely(val & (RSR_RI | RSR_DI))) { + nb8800_writel(priv, NB8800_RX_ITR, priv->rx_itr_poll); + napi_schedule_irqoff(&priv->napi); + } + + if (unlikely(val & RSR_DE)) + netdev_err(dev, "RX DMA error\n"); + + /* should never happen with automatic status retrieval */ + if (unlikely(val & RSR_RO)) + netdev_err(dev, "RX Status FIFO overflow\n"); + + ret = IRQ_HANDLED; + } + + return ret; +} + +static void nb8800_mac_config(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + bool gigabit = priv->speed == SPEED_1000; + u32 mac_mode_mask = RGMII_MODE | HALF_DUPLEX | GMAC_MODE; + u32 mac_mode = 0; + u32 slot_time; + u32 phy_clk; + u32 ict; + + if (!priv->duplex) + mac_mode |= HALF_DUPLEX; + + if (gigabit) { + if (priv->phy_mode == PHY_INTERFACE_MODE_RGMII) + mac_mode |= RGMII_MODE; + + mac_mode |= GMAC_MODE; + phy_clk = 125000000; + + /* Should be 512 but register is only 8 bits */ + slot_time = 255; + } else { + phy_clk = 25000000; + slot_time = 128; + } + + ict = DIV_ROUND_UP(phy_clk, clk_get_rate(priv->clk)); + + nb8800_writeb(priv, NB8800_IC_THRESHOLD, ict); + nb8800_writeb(priv, NB8800_SLOT_TIME, slot_time); + nb8800_maskb(priv, NB8800_MAC_MODE, mac_mode_mask, mac_mode); +} + +static void nb8800_pause_config(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phydev; + u32 rxcr; + + if (priv->pause_aneg) { + if (!phydev || !phydev->link) + return; + + priv->pause_rx = phydev->pause; + priv->pause_tx = phydev->pause ^ phydev->asym_pause; + } + + nb8800_modb(priv, NB8800_RX_CTL, RX_PAUSE_EN, priv->pause_rx); + + rxcr = nb8800_readl(priv, NB8800_RXC_CR); + if (!!(rxcr & RCR_FL) == priv->pause_tx) + return; + + if (netif_running(dev)) { + napi_disable(&priv->napi); + netif_tx_lock_bh(dev); + nb8800_dma_stop(dev); + nb8800_modl(priv, NB8800_RXC_CR, RCR_FL, priv->pause_tx); + nb8800_start_rx(dev); + netif_tx_unlock_bh(dev); + napi_enable(&priv->napi); + } else { + nb8800_modl(priv, NB8800_RXC_CR, RCR_FL, priv->pause_tx); + } +} + +static void nb8800_link_reconfigure(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phydev; + int change = 0; + + if (phydev->link) { + if (phydev->speed != priv->speed) { + priv->speed = phydev->speed; + change = 1; + } + + if (phydev->duplex != priv->duplex) { + priv->duplex = phydev->duplex; + change = 1; + } + + if (change) + nb8800_mac_config(dev); + + nb8800_pause_config(dev); + } + + if (phydev->link != priv->link) { + priv->link = phydev->link; + change = 1; + } + + if (change) + phy_print_status(priv->phydev); +} + +static void nb8800_update_mac_addr(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + int i; + + for (i = 0; i < ETH_ALEN; i++) + nb8800_writeb(priv, NB8800_SRC_ADDR(i), dev->dev_addr[i]); + + for (i = 0; i < ETH_ALEN; i++) + nb8800_writeb(priv, NB8800_UC_ADDR(i), dev->dev_addr[i]); +} + +static int nb8800_set_mac_address(struct net_device *dev, void *addr) +{ + struct sockaddr *sock = addr; + + if (netif_running(dev)) + return -EBUSY; + + ether_addr_copy(dev->dev_addr, sock->sa_data); + nb8800_update_mac_addr(dev); + + return 0; +} + +static void nb8800_mc_init(struct net_device *dev, int val) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + nb8800_writeb(priv, NB8800_MC_INIT, val); + readb_poll_timeout_atomic(priv->base + NB8800_MC_INIT, val, !val, + 1, 1000); +} + +static void nb8800_set_rx_mode(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct netdev_hw_addr *ha; + int i; + + if (dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) { + nb8800_mac_af(dev, false); + return; + } + + nb8800_mac_af(dev, true); + nb8800_mc_init(dev, 0); + + netdev_for_each_mc_addr(ha, dev) { + for (i = 0; i < ETH_ALEN; i++) + nb8800_writeb(priv, NB8800_MC_ADDR(i), ha->addr[i]); + + nb8800_mc_init(dev, 0xff); + } +} + +#define RX_DESC_SIZE (RX_DESC_COUNT * sizeof(struct nb8800_rx_desc)) +#define TX_DESC_SIZE (TX_DESC_COUNT * sizeof(struct nb8800_tx_desc)) + +static void nb8800_dma_free(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + unsigned int i; + + if (priv->rx_bufs) { + for (i = 0; i < RX_DESC_COUNT; i++) + if (priv->rx_bufs[i].page) + put_page(priv->rx_bufs[i].page); + + kfree(priv->rx_bufs); + priv->rx_bufs = NULL; + } + + if (priv->tx_bufs) { + for (i = 0; i < TX_DESC_COUNT; i++) + kfree_skb(priv->tx_bufs[i].skb); + + kfree(priv->tx_bufs); + priv->tx_bufs = NULL; + } + + if (priv->rx_descs) { + dma_free_coherent(dev->dev.parent, RX_DESC_SIZE, priv->rx_descs, + priv->rx_desc_dma); + priv->rx_descs = NULL; + } + + if (priv->tx_descs) { + dma_free_coherent(dev->dev.parent, TX_DESC_SIZE, priv->tx_descs, + priv->tx_desc_dma); + priv->tx_descs = NULL; + } +} + +static void nb8800_dma_reset(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct nb8800_rx_desc *rxd; + struct nb8800_tx_desc *txd; + unsigned int i; + + for (i = 0; i < RX_DESC_COUNT; i++) { + dma_addr_t rx_dma = priv->rx_desc_dma + i * sizeof(*rxd); + + rxd = &priv->rx_descs[i]; + rxd->desc.n_addr = rx_dma + sizeof(*rxd); + rxd->desc.r_addr = + rx_dma + offsetof(struct nb8800_rx_desc, report); + rxd->desc.config = priv->rx_dma_config; + rxd->report = 0; + } + + rxd->desc.n_addr = priv->rx_desc_dma; + rxd->desc.config |= DESC_EOC; + + priv->rx_eoc = RX_DESC_COUNT - 1; + + for (i = 0; i < TX_DESC_COUNT; i++) { + struct nb8800_tx_buf *txb = &priv->tx_bufs[i]; + dma_addr_t r_dma = txb->dma_desc + + offsetof(struct nb8800_tx_desc, report); + + txd = &priv->tx_descs[i]; + txd->desc[0].r_addr = r_dma; + txd->desc[1].r_addr = r_dma; + txd->report = 0; + } + + priv->tx_next = 0; + priv->tx_queue = 0; + priv->tx_done = 0; + atomic_set(&priv->tx_free, TX_DESC_COUNT); + + nb8800_writel(priv, NB8800_RX_DESC_ADDR, priv->rx_desc_dma); + + wmb(); /* ensure all setup is written before starting */ +} + +static int nb8800_dma_init(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + unsigned int n_rx = RX_DESC_COUNT; + unsigned int n_tx = TX_DESC_COUNT; + unsigned int i; + int err; + + priv->rx_descs = dma_alloc_coherent(dev->dev.parent, RX_DESC_SIZE, + &priv->rx_desc_dma, GFP_KERNEL); + if (!priv->rx_descs) + goto err_out; + + priv->rx_bufs = kcalloc(n_rx, sizeof(*priv->rx_bufs), GFP_KERNEL); + if (!priv->rx_bufs) + goto err_out; + + for (i = 0; i < n_rx; i++) { + err = nb8800_alloc_rx(dev, i, false); + if (err) + goto err_out; + } + + priv->tx_descs = dma_alloc_coherent(dev->dev.parent, TX_DESC_SIZE, + &priv->tx_desc_dma, GFP_KERNEL); + if (!priv->tx_descs) + goto err_out; + + priv->tx_bufs = kcalloc(n_tx, sizeof(*priv->tx_bufs), GFP_KERNEL); + if (!priv->tx_bufs) + goto err_out; + + for (i = 0; i < n_tx; i++) + priv->tx_bufs[i].dma_desc = + priv->tx_desc_dma + i * sizeof(struct nb8800_tx_desc); + + nb8800_dma_reset(dev); + + return 0; + +err_out: + nb8800_dma_free(dev); + + return -ENOMEM; +} + +static int nb8800_dma_stop(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + struct nb8800_tx_buf *txb = &priv->tx_bufs[0]; + struct nb8800_tx_desc *txd = &priv->tx_descs[0]; + int retry = 5; + u32 txcr; + u32 rxcr; + int err; + unsigned int i; + + /* wait for tx to finish */ + err = readl_poll_timeout_atomic(priv->base + NB8800_TXC_CR, txcr, + !(txcr & TCR_EN) && + priv->tx_done == priv->tx_next, + 1000, 1000000); + if (err) + return err; + + /* The rx DMA only stops if it reaches the end of chain. + * To make this happen, we set the EOC flag on all rx + * descriptors, put the device in loopback mode, and send + * a few dummy frames. The interrupt handler will ignore + * these since NAPI is disabled and no real frames are in + * the tx queue. + */ + + for (i = 0; i < RX_DESC_COUNT; i++) + priv->rx_descs[i].desc.config |= DESC_EOC; + + txd->desc[0].s_addr = + txb->dma_desc + offsetof(struct nb8800_tx_desc, buf); + txd->desc[0].config = DESC_BTS(2) | DESC_DS | DESC_EOF | DESC_EOC | 8; + memset(txd->buf, 0, sizeof(txd->buf)); + + nb8800_mac_af(dev, false); + nb8800_setb(priv, NB8800_MAC_MODE, LOOPBACK_EN); + + do { + nb8800_writel(priv, NB8800_TX_DESC_ADDR, txb->dma_desc); + wmb(); + nb8800_writel(priv, NB8800_TXC_CR, txcr | TCR_EN); + + err = readl_poll_timeout_atomic(priv->base + NB8800_RXC_CR, + rxcr, !(rxcr & RCR_EN), + 1000, 100000); + } while (err && --retry); + + nb8800_mac_af(dev, true); + nb8800_clearb(priv, NB8800_MAC_MODE, LOOPBACK_EN); + nb8800_dma_reset(dev); + + return retry ? 0 : -ETIMEDOUT; +} + +static void nb8800_pause_adv(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + u32 adv = 0; + + if (!priv->phydev) + return; + + if (priv->pause_rx) + adv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; + if (priv->pause_tx) + adv ^= ADVERTISED_Asym_Pause; + + priv->phydev->supported |= adv; + priv->phydev->advertising |= adv; +} + +static int nb8800_open(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + int err; + + /* clear any pending interrupts */ + nb8800_writel(priv, NB8800_RXC_SR, 0xf); + nb8800_writel(priv, NB8800_TXC_SR, 0xf); + + err = nb8800_dma_init(dev); + if (err) + return err; + + err = request_irq(dev->irq, nb8800_irq, 0, dev_name(&dev->dev), dev); + if (err) + goto err_free_dma; + + nb8800_mac_rx(dev, true); + nb8800_mac_tx(dev, true); + + priv->phydev = of_phy_connect(dev, priv->phy_node, + nb8800_link_reconfigure, 0, + priv->phy_mode); + if (!priv->phydev) + goto err_free_irq; + + nb8800_pause_adv(dev); + + netdev_reset_queue(dev); + napi_enable(&priv->napi); + netif_start_queue(dev); + + nb8800_start_rx(dev); + phy_start(priv->phydev); + + return 0; + +err_free_irq: + free_irq(dev->irq, dev); +err_free_dma: + nb8800_dma_free(dev); + + return err; +} + +static int nb8800_stop(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + phy_stop(priv->phydev); + + netif_stop_queue(dev); + napi_disable(&priv->napi); + + nb8800_dma_stop(dev); + nb8800_mac_rx(dev, false); + nb8800_mac_tx(dev, false); + + phy_disconnect(priv->phydev); + priv->phydev = NULL; + + free_irq(dev->irq, dev); + + nb8800_dma_free(dev); + + return 0; +} + +static int nb8800_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + return phy_mii_ioctl(priv->phydev, rq, cmd); +} + +static const struct net_device_ops nb8800_netdev_ops = { + .ndo_open = nb8800_open, + .ndo_stop = nb8800_stop, + .ndo_start_xmit = nb8800_xmit, + .ndo_set_mac_address = nb8800_set_mac_address, + .ndo_set_rx_mode = nb8800_set_rx_mode, + .ndo_do_ioctl = nb8800_ioctl, + .ndo_change_mtu = eth_change_mtu, + .ndo_validate_addr = eth_validate_addr, +}; + +static int nb8800_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + if (!priv->phydev) + return -ENODEV; + + return phy_ethtool_gset(priv->phydev, cmd); +} + +static int nb8800_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + if (!priv->phydev) + return -ENODEV; + + return phy_ethtool_sset(priv->phydev, cmd); +} + +static int nb8800_nway_reset(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + if (!priv->phydev) + return -ENODEV; + + return genphy_restart_aneg(priv->phydev); +} + +static void nb8800_get_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pp) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + pp->autoneg = priv->pause_aneg; + pp->rx_pause = priv->pause_rx; + pp->tx_pause = priv->pause_tx; +} + +static int nb8800_set_pauseparam(struct net_device *dev, + struct ethtool_pauseparam *pp) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + priv->pause_aneg = pp->autoneg; + priv->pause_rx = pp->rx_pause; + priv->pause_tx = pp->tx_pause; + + nb8800_pause_adv(dev); + + if (!priv->pause_aneg) + nb8800_pause_config(dev); + else if (priv->phydev) + phy_start_aneg(priv->phydev); + + return 0; +} + +static const char nb8800_stats_names[][ETH_GSTRING_LEN] = { + "rx_bytes_ok", + "rx_frames_ok", + "rx_undersize_frames", + "rx_fragment_frames", + "rx_64_byte_frames", + "rx_127_byte_frames", + "rx_255_byte_frames", + "rx_511_byte_frames", + "rx_1023_byte_frames", + "rx_max_size_frames", + "rx_oversize_frames", + "rx_bad_fcs_frames", + "rx_broadcast_frames", + "rx_multicast_frames", + "rx_control_frames", + "rx_pause_frames", + "rx_unsup_control_frames", + "rx_align_error_frames", + "rx_overrun_frames", + "rx_jabber_frames", + "rx_bytes", + "rx_frames", + + "tx_bytes_ok", + "tx_frames_ok", + "tx_64_byte_frames", + "tx_127_byte_frames", + "tx_255_byte_frames", + "tx_511_byte_frames", + "tx_1023_byte_frames", + "tx_max_size_frames", + "tx_oversize_frames", + "tx_broadcast_frames", + "tx_multicast_frames", + "tx_control_frames", + "tx_pause_frames", + "tx_underrun_frames", + "tx_single_collision_frames", + "tx_multi_collision_frames", + "tx_deferred_collision_frames", + "tx_late_collision_frames", + "tx_excessive_collision_frames", + "tx_bytes", + "tx_frames", + "tx_collisions", +}; + +#define NB8800_NUM_STATS ARRAY_SIZE(nb8800_stats_names) + +static int nb8800_get_sset_count(struct net_device *dev, int sset) +{ + if (sset == ETH_SS_STATS) + return NB8800_NUM_STATS; + + return -EOPNOTSUPP; +} + +static void nb8800_get_strings(struct net_device *dev, u32 sset, u8 *buf) +{ + if (sset == ETH_SS_STATS) + memcpy(buf, &nb8800_stats_names, sizeof(nb8800_stats_names)); +} + +static u32 nb8800_read_stat(struct net_device *dev, int index) +{ + struct nb8800_priv *priv = netdev_priv(dev); + + nb8800_writeb(priv, NB8800_STAT_INDEX, index); + + return nb8800_readl(priv, NB8800_STAT_DATA); +} + +static void nb8800_get_ethtool_stats(struct net_device *dev, + struct ethtool_stats *estats, u64 *st) +{ + unsigned int i; + u32 rx, tx; + + for (i = 0; i < NB8800_NUM_STATS / 2; i++) { + rx = nb8800_read_stat(dev, i); + tx = nb8800_read_stat(dev, i | 0x80); + st[i] = rx; + st[i + NB8800_NUM_STATS / 2] = tx; + } +} + +static const struct ethtool_ops nb8800_ethtool_ops = { + .get_settings = nb8800_get_settings, + .set_settings = nb8800_set_settings, + .nway_reset = nb8800_nway_reset, + .get_link = ethtool_op_get_link, + .get_pauseparam = nb8800_get_pauseparam, + .set_pauseparam = nb8800_set_pauseparam, + .get_sset_count = nb8800_get_sset_count, + .get_strings = nb8800_get_strings, + .get_ethtool_stats = nb8800_get_ethtool_stats, +}; + +static int nb8800_hw_init(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + u32 val; + + val = TX_RETRY_EN | TX_PAD_EN | TX_APPEND_FCS; + nb8800_writeb(priv, NB8800_TX_CTL1, val); + + /* Collision retry count */ + nb8800_writeb(priv, NB8800_TX_CTL2, 5); + + val = RX_PAD_STRIP | RX_AF_EN; + nb8800_writeb(priv, NB8800_RX_CTL, val); + + /* Chosen by fair dice roll */ + nb8800_writeb(priv, NB8800_RANDOM_SEED, 4); + + /* TX cycles per deferral period */ + nb8800_writeb(priv, NB8800_TX_SDP, 12); + + /* The following three threshold values have been + * experimentally determined for good results. + */ + + /* RX/TX FIFO threshold for partial empty (64-bit entries) */ + nb8800_writeb(priv, NB8800_PE_THRESHOLD, 0); + + /* RX/TX FIFO threshold for partial full (64-bit entries) */ + nb8800_writeb(priv, NB8800_PF_THRESHOLD, 255); + + /* Buffer size for transmit (64-bit entries) */ + nb8800_writeb(priv, NB8800_TX_BUFSIZE, 64); + + /* Configure tx DMA */ + + val = nb8800_readl(priv, NB8800_TXC_CR); + val &= TCR_LE; /* keep endian setting */ + val |= TCR_DM; /* DMA descriptor mode */ + val |= TCR_RS; /* automatically store tx status */ + val |= TCR_DIE; /* interrupt on DMA chain completion */ + val |= TCR_TFI(7); /* interrupt after 7 frames transmitted */ + val |= TCR_BTS(2); /* 32-byte bus transaction size */ + nb8800_writel(priv, NB8800_TXC_CR, val); + + /* TX complete interrupt after 10 ms or 7 frames (see above) */ + val = clk_get_rate(priv->clk) / 100; + nb8800_writel(priv, NB8800_TX_ITR, val); + + /* Configure rx DMA */ + + val = nb8800_readl(priv, NB8800_RXC_CR); + val &= RCR_LE; /* keep endian setting */ + val |= RCR_DM; /* DMA descriptor mode */ + val |= RCR_RS; /* automatically store rx status */ + val |= RCR_DIE; /* interrupt at end of DMA chain */ + val |= RCR_RFI(7); /* interrupt after 7 frames received */ + val |= RCR_BTS(2); /* 32-byte bus transaction size */ + nb8800_writel(priv, NB8800_RXC_CR, val); + + /* The rx interrupt can fire before the DMA has completed + * unless a small delay is added. 50 us is hopefully enough. + */ + priv->rx_itr_irq = clk_get_rate(priv->clk) / 20000; + + /* In NAPI poll mode we want to disable interrupts, but the + * hardware does not permit this. Delay 10 ms instead. + */ + priv->rx_itr_poll = clk_get_rate(priv->clk) / 100; + + nb8800_writel(priv, NB8800_RX_ITR, priv->rx_itr_irq); + + priv->rx_dma_config = RX_BUF_SIZE | DESC_BTS(2) | DESC_DS | DESC_EOF; + + /* Flow control settings */ + + /* Pause time of 0.1 ms */ + val = 100000 / 512; + nb8800_writeb(priv, NB8800_PQ1, val >> 8); + nb8800_writeb(priv, NB8800_PQ2, val & 0xff); + + /* Auto-negotiate by default */ + priv->pause_aneg = true; + priv->pause_rx = true; + priv->pause_tx = true; + + nb8800_mc_init(dev, 0); + + return 0; +} + +static int nb8800_tangox_init(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + u32 pad_mode = PAD_MODE_MII; + + switch (priv->phy_mode) { + case PHY_INTERFACE_MODE_MII: + case PHY_INTERFACE_MODE_GMII: + pad_mode = PAD_MODE_MII; + break; + + case PHY_INTERFACE_MODE_RGMII: + pad_mode = PAD_MODE_RGMII; + break; + + case PHY_INTERFACE_MODE_RGMII_TXID: + pad_mode = PAD_MODE_RGMII | PAD_MODE_GTX_CLK_DELAY; + break; + + default: + dev_err(dev->dev.parent, "unsupported phy mode %s\n", + phy_modes(priv->phy_mode)); + return -EINVAL; + } + + nb8800_writeb(priv, NB8800_TANGOX_PAD_MODE, pad_mode); + + return 0; +} + +static int nb8800_tangox_reset(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + int clk_div; + + nb8800_writeb(priv, NB8800_TANGOX_RESET, 0); + usleep_range(1000, 10000); + nb8800_writeb(priv, NB8800_TANGOX_RESET, 1); + + wmb(); /* ensure reset is cleared before proceeding */ + + clk_div = DIV_ROUND_UP(clk_get_rate(priv->clk), 2 * MAX_MDC_CLOCK); + nb8800_writew(priv, NB8800_TANGOX_MDIO_CLKDIV, clk_div); + + return 0; +} + +static const struct nb8800_ops nb8800_tangox_ops = { + .init = nb8800_tangox_init, + .reset = nb8800_tangox_reset, +}; + +static int nb8800_tango4_init(struct net_device *dev) +{ + struct nb8800_priv *priv = netdev_priv(dev); + int err; + + err = nb8800_tangox_init(dev); + if (err) + return err; + + /* On tango4 interrupt on DMA completion per frame works and gives + * better performance despite generating more rx interrupts. + */ + + /* Disable unnecessary interrupt on rx completion */ + nb8800_clearl(priv, NB8800_RXC_CR, RCR_RFI(7)); + + /* Request interrupt on descriptor DMA completion */ + priv->rx_dma_config |= DESC_ID; + + return 0; +} + +static const struct nb8800_ops nb8800_tango4_ops = { + .init = nb8800_tango4_init, + .reset = nb8800_tangox_reset, +}; + +static const struct of_device_id nb8800_dt_ids[] = { + { + .compatible = "aurora,nb8800", + }, + { + .compatible = "sigma,smp8642-ethernet", + .data = &nb8800_tangox_ops, + }, + { + .compatible = "sigma,smp8734-ethernet", + .data = &nb8800_tango4_ops, + }, + { } +}; + +static int nb8800_probe(struct platform_device *pdev) +{ + const struct of_device_id *match; + const struct nb8800_ops *ops = NULL; + struct nb8800_priv *priv; + struct resource *res; + struct net_device *dev; + struct mii_bus *bus; + const unsigned char *mac; + void __iomem *base; + int irq; + int ret; + + match = of_match_device(nb8800_dt_ids, &pdev->dev); + if (match) + ops = match->data; + + irq = platform_get_irq(pdev, 0); + if (irq <= 0) { + dev_err(&pdev->dev, "No IRQ\n"); + return -EINVAL; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + dev_dbg(&pdev->dev, "AU-NB8800 Ethernet at %pa\n", &res->start); + + dev = alloc_etherdev(sizeof(*priv)); + if (!dev) + return -ENOMEM; + + platform_set_drvdata(pdev, dev); + SET_NETDEV_DEV(dev, &pdev->dev); + + priv = netdev_priv(dev); + priv->base = base; + + priv->phy_mode = of_get_phy_mode(pdev->dev.of_node); + if (priv->phy_mode < 0) + priv->phy_mode = PHY_INTERFACE_MODE_RGMII; + + priv->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(priv->clk)) { + dev_err(&pdev->dev, "failed to get clock\n"); + ret = PTR_ERR(priv->clk); + goto err_free_dev; + } + + ret = clk_prepare_enable(priv->clk); + if (ret) + goto err_free_dev; + + spin_lock_init(&priv->tx_lock); + + if (ops && ops->reset) { + ret = ops->reset(dev); + if (ret) + goto err_free_dev; + } + + bus = devm_mdiobus_alloc(&pdev->dev); + if (!bus) { + ret = -ENOMEM; + goto err_disable_clk; + } + + bus->name = "nb8800-mii"; + bus->read = nb8800_mdio_read; + bus->write = nb8800_mdio_write; + bus->parent = &pdev->dev; + snprintf(bus->id, MII_BUS_ID_SIZE, "%lx.nb8800-mii", + (unsigned long)res->start); + bus->priv = priv; + + ret = of_mdiobus_register(bus, pdev->dev.of_node); + if (ret) { + dev_err(&pdev->dev, "failed to register MII bus\n"); + goto err_disable_clk; + } + + priv->phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0); + if (!priv->phy_node) { + dev_err(&pdev->dev, "no PHY specified\n"); + ret = -ENODEV; + goto err_free_bus; + } + + priv->mii_bus = bus; + + ret = nb8800_hw_init(dev); + if (ret) + goto err_free_bus; + + if (ops && ops->init) { + ret = ops->init(dev); + if (ret) + goto err_free_bus; + } + + dev->netdev_ops = &nb8800_netdev_ops; + dev->ethtool_ops = &nb8800_ethtool_ops; + dev->flags |= IFF_MULTICAST; + dev->irq = irq; + + mac = of_get_mac_address(pdev->dev.of_node); + if (mac) + ether_addr_copy(dev->dev_addr, mac); + + if (!is_valid_ether_addr(dev->dev_addr)) + eth_hw_addr_random(dev); + + nb8800_update_mac_addr(dev); + + netif_carrier_off(dev); + + ret = register_netdev(dev); + if (ret) { + netdev_err(dev, "failed to register netdev\n"); + goto err_free_dma; + } + + netif_napi_add(dev, &priv->napi, nb8800_poll, NAPI_POLL_WEIGHT); + + netdev_info(dev, "MAC address %pM\n", dev->dev_addr); + + return 0; + +err_free_dma: + nb8800_dma_free(dev); +err_free_bus: + mdiobus_unregister(bus); +err_disable_clk: + clk_disable_unprepare(priv->clk); +err_free_dev: + free_netdev(dev); + + return ret; +} + +static int nb8800_remove(struct platform_device *pdev) +{ + struct net_device *ndev = platform_get_drvdata(pdev); + struct nb8800_priv *priv = netdev_priv(ndev); + + unregister_netdev(ndev); + + mdiobus_unregister(priv->mii_bus); + + clk_disable_unprepare(priv->clk); + + nb8800_dma_free(ndev); + free_netdev(ndev); + + return 0; +} + +static struct platform_driver nb8800_driver = { + .driver = { + .name = "nb8800", + .of_match_table = nb8800_dt_ids, + }, + .probe = nb8800_probe, + .remove = nb8800_remove, +}; + +module_platform_driver(nb8800_driver); + +MODULE_DESCRIPTION("Aurora AU-NB8800 Ethernet driver"); +MODULE_AUTHOR("Mans Rullgard <mans@mansr.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/aurora/nb8800.h b/drivers/net/ethernet/aurora/nb8800.h new file mode 100644 index 000000000000..e5adbc2aac9f --- /dev/null +++ b/drivers/net/ethernet/aurora/nb8800.h @@ -0,0 +1,316 @@ +#ifndef _NB8800_H_ +#define _NB8800_H_ + +#include <linux/types.h> +#include <linux/skbuff.h> +#include <linux/phy.h> +#include <linux/clk.h> +#include <linux/bitops.h> + +#define RX_DESC_COUNT 256 +#define TX_DESC_COUNT 256 + +#define NB8800_DESC_LOW 4 + +#define RX_BUF_SIZE 1552 + +#define RX_COPYBREAK 256 +#define RX_COPYHDR 128 + +#define MAX_MDC_CLOCK 2500000 + +/* Stargate Solutions SSN8800 core registers */ +#define NB8800_TX_CTL1 0x000 +#define TX_TPD BIT(5) +#define TX_APPEND_FCS BIT(4) +#define TX_PAD_EN BIT(3) +#define TX_RETRY_EN BIT(2) +#define TX_EN BIT(0) + +#define NB8800_TX_CTL2 0x001 + +#define NB8800_RX_CTL 0x004 +#define RX_BC_DISABLE BIT(7) +#define RX_RUNT BIT(6) +#define RX_AF_EN BIT(5) +#define RX_PAUSE_EN BIT(3) +#define RX_SEND_CRC BIT(2) +#define RX_PAD_STRIP BIT(1) +#define RX_EN BIT(0) + +#define NB8800_RANDOM_SEED 0x008 +#define NB8800_TX_SDP 0x14 +#define NB8800_TX_TPDP1 0x18 +#define NB8800_TX_TPDP2 0x19 +#define NB8800_SLOT_TIME 0x1c + +#define NB8800_MDIO_CMD 0x020 +#define MDIO_CMD_GO BIT(31) +#define MDIO_CMD_WR BIT(26) +#define MDIO_CMD_ADDR(x) ((x) << 21) +#define MDIO_CMD_REG(x) ((x) << 16) +#define MDIO_CMD_DATA(x) ((x) << 0) + +#define NB8800_MDIO_STS 0x024 +#define MDIO_STS_ERR BIT(31) + +#define NB8800_MC_ADDR(i) (0x028 + (i)) +#define NB8800_MC_INIT 0x02e +#define NB8800_UC_ADDR(i) (0x03c + (i)) + +#define NB8800_MAC_MODE 0x044 +#define RGMII_MODE BIT(7) +#define HALF_DUPLEX BIT(4) +#define BURST_EN BIT(3) +#define LOOPBACK_EN BIT(2) +#define GMAC_MODE BIT(0) + +#define NB8800_IC_THRESHOLD 0x050 +#define NB8800_PE_THRESHOLD 0x051 +#define NB8800_PF_THRESHOLD 0x052 +#define NB8800_TX_BUFSIZE 0x054 +#define NB8800_FIFO_CTL 0x056 +#define NB8800_PQ1 0x060 +#define NB8800_PQ2 0x061 +#define NB8800_SRC_ADDR(i) (0x06a + (i)) +#define NB8800_STAT_DATA 0x078 +#define NB8800_STAT_INDEX 0x07c +#define NB8800_STAT_CLEAR 0x07d + +#define NB8800_SLEEP_MODE 0x07e +#define SLEEP_MODE BIT(0) + +#define NB8800_WAKEUP 0x07f +#define WAKEUP BIT(0) + +/* Aurora NB8800 host interface registers */ +#define NB8800_TXC_CR 0x100 +#define TCR_LK BIT(12) +#define TCR_DS BIT(11) +#define TCR_BTS(x) (((x) & 0x7) << 8) +#define TCR_DIE BIT(7) +#define TCR_TFI(x) (((x) & 0x7) << 4) +#define TCR_LE BIT(3) +#define TCR_RS BIT(2) +#define TCR_DM BIT(1) +#define TCR_EN BIT(0) + +#define NB8800_TXC_SR 0x104 +#define TSR_DE BIT(3) +#define TSR_DI BIT(2) +#define TSR_TO BIT(1) +#define TSR_TI BIT(0) + +#define NB8800_TX_SAR 0x108 +#define NB8800_TX_DESC_ADDR 0x10c + +#define NB8800_TX_REPORT_ADDR 0x110 +#define TX_BYTES_TRANSFERRED(x) (((x) >> 16) & 0xffff) +#define TX_FIRST_DEFERRAL BIT(7) +#define TX_EARLY_COLLISIONS(x) (((x) >> 3) & 0xf) +#define TX_LATE_COLLISION BIT(2) +#define TX_PACKET_DROPPED BIT(1) +#define TX_FIFO_UNDERRUN BIT(0) +#define IS_TX_ERROR(r) ((r) & 0x07) + +#define NB8800_TX_FIFO_SR 0x114 +#define NB8800_TX_ITR 0x118 + +#define NB8800_RXC_CR 0x200 +#define RCR_FL BIT(13) +#define RCR_LK BIT(12) +#define RCR_DS BIT(11) +#define RCR_BTS(x) (((x) & 7) << 8) +#define RCR_DIE BIT(7) +#define RCR_RFI(x) (((x) & 7) << 4) +#define RCR_LE BIT(3) +#define RCR_RS BIT(2) +#define RCR_DM BIT(1) +#define RCR_EN BIT(0) + +#define NB8800_RXC_SR 0x204 +#define RSR_DE BIT(3) +#define RSR_DI BIT(2) +#define RSR_RO BIT(1) +#define RSR_RI BIT(0) + +#define NB8800_RX_SAR 0x208 +#define NB8800_RX_DESC_ADDR 0x20c + +#define NB8800_RX_REPORT_ADDR 0x210 +#define RX_BYTES_TRANSFERRED(x) (((x) >> 16) & 0xFFFF) +#define RX_MULTICAST_PKT BIT(9) +#define RX_BROADCAST_PKT BIT(8) +#define RX_LENGTH_ERR BIT(7) +#define RX_FCS_ERR BIT(6) +#define RX_RUNT_PKT BIT(5) +#define RX_FIFO_OVERRUN BIT(4) +#define RX_LATE_COLLISION BIT(3) +#define RX_ALIGNMENT_ERROR BIT(2) +#define RX_ERROR_MASK 0xfc +#define IS_RX_ERROR(r) ((r) & RX_ERROR_MASK) + +#define NB8800_RX_FIFO_SR 0x214 +#define NB8800_RX_ITR 0x218 + +/* Sigma Designs SMP86xx additional registers */ +#define NB8800_TANGOX_PAD_MODE 0x400 +#define PAD_MODE_MASK 0x7 +#define PAD_MODE_MII 0x0 +#define PAD_MODE_RGMII 0x1 +#define PAD_MODE_GTX_CLK_INV BIT(3) +#define PAD_MODE_GTX_CLK_DELAY BIT(4) + +#define NB8800_TANGOX_MDIO_CLKDIV 0x420 +#define NB8800_TANGOX_RESET 0x424 + +/* Hardware DMA descriptor */ +struct nb8800_dma_desc { + u32 s_addr; /* start address */ + u32 n_addr; /* next descriptor address */ + u32 r_addr; /* report address */ + u32 config; +} __aligned(8); + +#define DESC_ID BIT(23) +#define DESC_EOC BIT(22) +#define DESC_EOF BIT(21) +#define DESC_LK BIT(20) +#define DESC_DS BIT(19) +#define DESC_BTS(x) (((x) & 0x7) << 16) + +/* DMA descriptor and associated data for rx. + * Allocated from coherent memory. + */ +struct nb8800_rx_desc { + /* DMA descriptor */ + struct nb8800_dma_desc desc; + + /* Status report filled in by hardware */ + u32 report; +}; + +/* Address of buffer on rx ring */ +struct nb8800_rx_buf { + struct page *page; + unsigned long offset; +}; + +/* DMA descriptors and associated data for tx. + * Allocated from coherent memory. + */ +struct nb8800_tx_desc { + /* DMA descriptor. The second descriptor is used if packet + * data is unaligned. + */ + struct nb8800_dma_desc desc[2]; + + /* Status report filled in by hardware */ + u32 report; + + /* Bounce buffer for initial unaligned part of packet */ + u8 buf[8] __aligned(8); +}; + +/* Packet in tx queue */ +struct nb8800_tx_buf { + /* Currently queued skb */ + struct sk_buff *skb; + + /* DMA address of the first descriptor */ + dma_addr_t dma_desc; + + /* DMA address of packet data */ + dma_addr_t dma_addr; + + /* Length of DMA mapping, less than skb->len if alignment + * buffer is used. + */ + unsigned int dma_len; + + /* Number of packets in chain starting here */ + unsigned int chain_len; + + /* Packet chain ready to be submitted to hardware */ + bool ready; +}; + +struct nb8800_priv { + struct napi_struct napi; + + void __iomem *base; + + /* RX DMA descriptors */ + struct nb8800_rx_desc *rx_descs; + + /* RX buffers referenced by DMA descriptors */ + struct nb8800_rx_buf *rx_bufs; + + /* Current end of chain */ + u32 rx_eoc; + + /* Value for rx interrupt time register in NAPI interrupt mode */ + u32 rx_itr_irq; + + /* Value for rx interrupt time register in NAPI poll mode */ + u32 rx_itr_poll; + + /* Value for config field of rx DMA descriptors */ + u32 rx_dma_config; + + /* TX DMA descriptors */ + struct nb8800_tx_desc *tx_descs; + + /* TX packet queue */ + struct nb8800_tx_buf *tx_bufs; + + /* Number of free tx queue entries */ + atomic_t tx_free; + + /* First free tx queue entry */ + u32 tx_next; + + /* Next buffer to transmit */ + u32 tx_queue; + + /* Start of current packet chain */ + struct nb8800_tx_buf *tx_chain; + + /* Next buffer to reclaim */ + u32 tx_done; + + /* Lock for DMA activation */ + spinlock_t tx_lock; + + struct mii_bus *mii_bus; + struct device_node *phy_node; + struct phy_device *phydev; + + /* PHY connection type from DT */ + int phy_mode; + + /* Current link status */ + int speed; + int duplex; + int link; + + /* Pause settings */ + bool pause_aneg; + bool pause_rx; + bool pause_tx; + + /* DMA base address of rx descriptors, see rx_descs above */ + dma_addr_t rx_desc_dma; + + /* DMA base address of tx descriptors, see tx_descs above */ + dma_addr_t tx_desc_dma; + + struct clk *clk; +}; + +struct nb8800_ops { + int (*init)(struct net_device *dev); + int (*reset)(struct net_device *dev); +}; + +#endif /* _NB8800_H_ */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index c9b036789184..2e611dc5f162 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -10139,8 +10139,8 @@ static void __bnx2x_del_vxlan_port(struct bnx2x *bp, u16 port) DP(BNX2X_MSG_SP, "Invalid vxlan port\n"); return; } - bp->vxlan_dst_port--; - if (bp->vxlan_dst_port) + bp->vxlan_dst_port_count--; + if (bp->vxlan_dst_port_count) return; if (netif_running(bp->dev)) { diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index db15c5ee09c5..bdf094fb6ef9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3625,6 +3625,7 @@ static int bnxt_hwrm_func_qcaps(struct bnxt *bp) pf->fw_fid = le16_to_cpu(resp->fid); pf->port_id = le16_to_cpu(resp->port_id); memcpy(pf->mac_addr, resp->perm_mac_address, ETH_ALEN); + memcpy(bp->dev->dev_addr, pf->mac_addr, ETH_ALEN); pf->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx); pf->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings); pf->max_tx_rings = le16_to_cpu(resp->max_tx_rings); @@ -3648,8 +3649,11 @@ static int bnxt_hwrm_func_qcaps(struct bnxt *bp) vf->fw_fid = le16_to_cpu(resp->fid); memcpy(vf->mac_addr, resp->perm_mac_address, ETH_ALEN); - if (!is_valid_ether_addr(vf->mac_addr)) - random_ether_addr(vf->mac_addr); + if (is_valid_ether_addr(vf->mac_addr)) + /* overwrite netdev dev_adr with admin VF MAC */ + memcpy(bp->dev->dev_addr, vf->mac_addr, ETH_ALEN); + else + random_ether_addr(bp->dev->dev_addr); vf->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx); vf->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings); @@ -3880,6 +3884,8 @@ static int bnxt_alloc_rfs_vnics(struct bnxt *bp) #endif } +static int bnxt_cfg_rx_mode(struct bnxt *); + static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init) { int rc = 0; @@ -3946,11 +3952,9 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init) bp->vnic_info[0].rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS; - rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0); - if (rc) { - netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %x\n", rc); + rc = bnxt_cfg_rx_mode(bp); + if (rc) goto err_out; - } rc = bnxt_hwrm_set_coal(bp); if (rc) @@ -4865,7 +4869,7 @@ static void bnxt_set_rx_mode(struct net_device *dev) } } -static void bnxt_cfg_rx_mode(struct bnxt *bp) +static int bnxt_cfg_rx_mode(struct bnxt *bp) { struct net_device *dev = bp->dev; struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; @@ -4914,6 +4918,7 @@ static void bnxt_cfg_rx_mode(struct bnxt *bp) netdev_err(bp->dev, "HWRM vnic filter failure rc: %x\n", rc); vnic->uc_filter_count = i; + return rc; } } @@ -4922,6 +4927,8 @@ skip_uc: if (rc) netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %x\n", rc); + + return rc; } static netdev_features_t bnxt_fix_features(struct net_device *dev, @@ -5212,13 +5219,27 @@ init_err: static int bnxt_change_mac_addr(struct net_device *dev, void *p) { struct sockaddr *addr = p; + struct bnxt *bp = netdev_priv(dev); + int rc = 0; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; +#ifdef CONFIG_BNXT_SRIOV + if (BNXT_VF(bp) && is_valid_ether_addr(bp->vf.mac_addr)) + return -EADDRNOTAVAIL; +#endif + + if (ether_addr_equal(addr->sa_data, dev->dev_addr)) + return 0; + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + if (netif_running(dev)) { + bnxt_close_nic(bp, false, false); + rc = bnxt_open_nic(bp, false, false); + } - return 0; + return rc; } /* rtnl_lock held */ @@ -5686,15 +5707,12 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) bnxt_set_tpa_flags(bp); bnxt_set_ring_params(bp); dflt_rings = netif_get_num_default_rss_queues(); - if (BNXT_PF(bp)) { - memcpy(dev->dev_addr, bp->pf.mac_addr, ETH_ALEN); + if (BNXT_PF(bp)) bp->pf.max_irqs = max_irqs; - } else { #if defined(CONFIG_BNXT_SRIOV) - memcpy(dev->dev_addr, bp->vf.mac_addr, ETH_ALEN); + else bp->vf.max_irqs = max_irqs; #endif - } bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings); bp->rx_nr_rings = min_t(int, dflt_rings, max_rx_rings); bp->tx_nr_rings_per_tc = min_t(int, dflt_rings, max_tx_rings); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index f4cf68861069..7a9af2887d8e 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -804,10 +804,9 @@ void bnxt_update_vf_mac(struct bnxt *bp) if (!is_valid_ether_addr(resp->perm_mac_address)) goto update_vf_mac_exit; - if (ether_addr_equal(resp->perm_mac_address, bp->vf.mac_addr)) - goto update_vf_mac_exit; - - memcpy(bp->vf.mac_addr, resp->perm_mac_address, ETH_ALEN); + if (!ether_addr_equal(resp->perm_mac_address, bp->vf.mac_addr)) + memcpy(bp->vf.mac_addr, resp->perm_mac_address, ETH_ALEN); + /* overwrite netdev dev_adr with admin VF MAC */ memcpy(bp->dev->dev_addr, bp->vf.mac_addr, ETH_ALEN); update_vf_mac_exit: mutex_unlock(&bp->hwrm_cmd_lock); diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 88c1e1a834f8..169059c92f80 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -1682,6 +1682,8 @@ static void macb_init_hw(struct macb *bp) macb_set_hwaddr(bp); config = macb_mdc_clk_div(bp); + if (bp->phy_interface == PHY_INTERFACE_MODE_SGMII) + config |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL); config |= MACB_BF(RBOF, NET_IP_ALIGN); /* Make eth data aligned */ config |= MACB_BIT(PAE); /* PAuse Enable */ config |= MACB_BIT(DRFCS); /* Discard Rx FCS */ @@ -2416,6 +2418,8 @@ static int macb_init(struct platform_device *pdev) /* Set MII management clock divider */ val = macb_mdc_clk_div(bp); val |= macb_dbw(bp); + if (bp->phy_interface == PHY_INTERFACE_MODE_SGMII) + val |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL); macb_writel(bp, NCFGR, val); return 0; diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 6e1faea00ca8..d83b0db77821 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -215,12 +215,17 @@ /* GEM specific NCFGR bitfields. */ #define GEM_GBE_OFFSET 10 /* Gigabit mode enable */ #define GEM_GBE_SIZE 1 +#define GEM_PCSSEL_OFFSET 11 +#define GEM_PCSSEL_SIZE 1 #define GEM_CLK_OFFSET 18 /* MDC clock division */ #define GEM_CLK_SIZE 3 #define GEM_DBW_OFFSET 21 /* Data bus width */ #define GEM_DBW_SIZE 2 #define GEM_RXCOEN_OFFSET 24 #define GEM_RXCOEN_SIZE 1 +#define GEM_SGMIIEN_OFFSET 27 +#define GEM_SGMIIEN_SIZE 1 + /* Constants for data bus width. */ #define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */ diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index d3950b20feb9..39ca6744a4e6 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -120,10 +120,9 @@ * Calculated for SCLK of 700Mhz * value written should be a 1/16th of what is expected * - * 1 tick per 0.05usec = value of 2.2 - * This 10% would be covered in CQ timer thresh value + * 1 tick per 0.025usec */ -#define NICPF_CLK_PER_INT_TICK 2 +#define NICPF_CLK_PER_INT_TICK 1 /* Time to wait before we decide that a SQ is stuck. * diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index c561fdcb79a7..4b7fd63ae57c 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -37,6 +37,7 @@ struct nicpf { #define NIC_GET_BGX_FROM_VF_LMAC_MAP(map) ((map >> 4) & 0xF) #define NIC_GET_LMAC_FROM_VF_LMAC_MAP(map) (map & 0xF) u8 vf_lmac_map[MAX_LMAC]; + u8 lmac_cnt; struct delayed_work dwork; struct workqueue_struct *check_link; u8 link[MAX_LMAC]; @@ -279,6 +280,7 @@ static void nic_set_lmac_vf_mapping(struct nicpf *nic) u64 lmac_credit; nic->num_vf_en = 0; + nic->lmac_cnt = 0; for (bgx = 0; bgx < NIC_MAX_BGX; bgx++) { if (!(bgx_map & (1 << bgx))) @@ -288,6 +290,7 @@ static void nic_set_lmac_vf_mapping(struct nicpf *nic) nic->vf_lmac_map[next_bgx_lmac++] = NIC_SET_VF_LMAC_MAP(bgx, lmac); nic->num_vf_en += lmac_cnt; + nic->lmac_cnt += lmac_cnt; /* Program LMAC credits */ lmac_credit = (1ull << 1); /* channel credit enable */ @@ -715,6 +718,13 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) case NIC_MBOX_MSG_CFG_DONE: /* Last message of VF config msg sequence */ nic->vf_enabled[vf] = true; + if (vf >= nic->lmac_cnt) + goto unlock; + + bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); + lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); + + bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, true); goto unlock; case NIC_MBOX_MSG_SHUTDOWN: /* First msg in VF teardown sequence */ @@ -722,6 +732,14 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) if (vf >= nic->num_vf_en) nic->sqs_used[vf - nic->num_vf_en] = false; nic->pqs_vf[vf] = 0; + + if (vf >= nic->lmac_cnt) + break; + + bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); + lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); + + bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, false); break; case NIC_MBOX_MSG_ALLOC_SQS: nic_alloc_sqs(nic, &mbx.sqs_alloc); @@ -940,7 +958,7 @@ static void nic_poll_for_link(struct work_struct *work) mbx.link_status.msg = NIC_MBOX_MSG_BGX_LINK_CHANGE; - for (vf = 0; vf < nic->num_vf_en; vf++) { + for (vf = 0; vf < nic->lmac_cnt; vf++) { /* Poll only if VF is UP */ if (!nic->vf_enabled[vf]) continue; @@ -1074,8 +1092,7 @@ static void nic_remove(struct pci_dev *pdev) if (nic->check_link) { /* Destroy work Queue */ - cancel_delayed_work(&nic->dwork); - flush_workqueue(nic->check_link); + cancel_delayed_work_sync(&nic->dwork); destroy_workqueue(nic->check_link); } diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c index af54c10945c2..a12b2e38cf61 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c @@ -112,6 +112,13 @@ static int nicvf_get_settings(struct net_device *netdev, cmd->supported = 0; cmd->transceiver = XCVR_EXTERNAL; + + if (!nic->link_up) { + cmd->duplex = DUPLEX_UNKNOWN; + ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN); + return 0; + } + if (nic->speed <= 1000) { cmd->port = PORT_MII; cmd->autoneg = AUTONEG_ENABLE; @@ -125,6 +132,13 @@ static int nicvf_get_settings(struct net_device *netdev, return 0; } +static u32 nicvf_get_link(struct net_device *netdev) +{ + struct nicvf *nic = netdev_priv(netdev); + + return nic->link_up; +} + static void nicvf_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info) { @@ -660,7 +674,7 @@ static int nicvf_set_channels(struct net_device *dev, static const struct ethtool_ops nicvf_ethtool_ops = { .get_settings = nicvf_get_settings, - .get_link = ethtool_op_get_link, + .get_link = nicvf_get_link, .get_drvinfo = nicvf_get_drvinfo, .get_msglevel = nicvf_get_msglevel, .set_msglevel = nicvf_set_msglevel, diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 7f709cbdcd87..dde8dc720cd3 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -1057,6 +1057,7 @@ int nicvf_stop(struct net_device *netdev) netif_carrier_off(netdev); netif_tx_stop_all_queues(nic->netdev); + nic->link_up = false; /* Teardown secondary qsets first */ if (!nic->sqs_mode) { @@ -1211,9 +1212,6 @@ int nicvf_open(struct net_device *netdev) nic->drv_stats.txq_stop = 0; nic->drv_stats.txq_wake = 0; - netif_carrier_on(netdev); - netif_tx_start_all_queues(netdev); - return 0; cleanup: nicvf_disable_intr(nic, NICVF_INTR_MBOX, 0); diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index e404ea837727..206b6a71a545 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -592,7 +592,7 @@ void nicvf_cmp_queue_config(struct nicvf *nic, struct queue_set *qs, /* Set threshold value for interrupt generation */ nicvf_queue_reg_write(nic, NIC_QSET_CQ_0_7_THRESH, qidx, cq->thresh); nicvf_queue_reg_write(nic, NIC_QSET_CQ_0_7_CFG2, - qidx, nic->cq_coalesce_usecs); + qidx, CMP_QUEUE_TIMER_THRESH); } /* Configures transmit queue */ diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index fb4957d09914..033e8306e91c 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -76,7 +76,7 @@ #define CMP_QSIZE CMP_QUEUE_SIZE2 #define CMP_QUEUE_LEN (1ULL << (CMP_QSIZE + 10)) #define CMP_QUEUE_CQE_THRESH 0 -#define CMP_QUEUE_TIMER_THRESH 220 /* 10usec */ +#define CMP_QUEUE_TIMER_THRESH 80 /* ~2usec */ #define RBDR_SIZE RBDR_SIZE0 #define RCV_BUF_COUNT (1ULL << (RBDR_SIZE + 13)) diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 180aa9fabf48..9df26c2263bc 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -186,6 +186,23 @@ void bgx_set_lmac_mac(int node, int bgx_idx, int lmacid, const u8 *mac) } EXPORT_SYMBOL(bgx_set_lmac_mac); +void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable) +{ + struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_CN88XX) + bgx_idx]; + u64 cfg; + + if (!bgx) + return; + + cfg = bgx_reg_read(bgx, lmacid, BGX_CMRX_CFG); + if (enable) + cfg |= CMR_PKT_RX_EN | CMR_PKT_TX_EN; + else + cfg &= ~(CMR_PKT_RX_EN | CMR_PKT_TX_EN); + bgx_reg_write(bgx, lmacid, BGX_CMRX_CFG, cfg); +} +EXPORT_SYMBOL(bgx_lmac_rx_tx_enable); + static void bgx_sgmii_change_link_state(struct lmac *lmac) { struct bgx *bgx = lmac->bgx; @@ -612,6 +629,8 @@ static void bgx_poll_for_link(struct work_struct *work) lmac->last_duplex = 1; } else { lmac->link_up = 0; + lmac->last_speed = SPEED_UNKNOWN; + lmac->last_duplex = DUPLEX_UNKNOWN; } if (lmac->last_link != lmac->link_up) { @@ -654,8 +673,7 @@ static int bgx_lmac_enable(struct bgx *bgx, u8 lmacid) } /* Enable lmac */ - bgx_reg_modify(bgx, lmacid, BGX_CMRX_CFG, - CMR_EN | CMR_PKT_RX_EN | CMR_PKT_TX_EN); + bgx_reg_modify(bgx, lmacid, BGX_CMRX_CFG, CMR_EN); /* Restore default cfg, incase low level firmware changed it */ bgx_reg_write(bgx, lmacid, BGX_CMRX_RX_DMAC_CTL, 0x03); @@ -695,8 +713,7 @@ static void bgx_lmac_disable(struct bgx *bgx, u8 lmacid) lmac = &bgx->lmac[lmacid]; if (lmac->check_link) { /* Destroy work queue */ - cancel_delayed_work(&lmac->dwork); - flush_workqueue(lmac->check_link); + cancel_delayed_work_sync(&lmac->dwork); destroy_workqueue(lmac->check_link); } @@ -1009,6 +1026,9 @@ static int bgx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct bgx *bgx = NULL; u8 lmac; + /* Load octeon mdio driver */ + octeon_mdiobus_force_mod_depencency(); + bgx = devm_kzalloc(dev, sizeof(*bgx), GFP_KERNEL); if (!bgx) return -ENOMEM; diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h index 07b7ec66c60d..149e179363a1 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h @@ -182,6 +182,8 @@ enum MCAST_MODE { #define BCAST_ACCEPT 1 #define CAM_ACCEPT 1 +void octeon_mdiobus_force_mod_depencency(void); +void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable); void bgx_add_dmac_addr(u64 dmac, int node, int bgx_idx, int lmac); unsigned bgx_get_map(int node); int bgx_get_lmac_count(int node, int bgx); diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c index ed41559bae77..b553409e04ad 100644 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c @@ -98,8 +98,7 @@ static int csr0 = 0x01A00000 | 0x4800; #elif defined(__mips__) static int csr0 = 0x00200000 | 0x4000; #else -#warning Processor architecture undefined! -static int csr0 = 0x00A00000 | 0x4800; +static int csr0; #endif /* Operational parameters that usually are not changed. */ @@ -1982,6 +1981,12 @@ static int __init tulip_init (void) pr_info("%s", version); #endif + if (!csr0) { + pr_warn("tulip: unknown CPU architecture, using default csr0\n"); + /* default to 8 longword cache line alignment */ + csr0 = 0x00A00000 | 0x4800; + } + /* copy module parms into globals */ tulip_rx_copybreak = rx_copybreak; tulip_max_interrupt_work = max_interrupt_work; diff --git a/drivers/net/ethernet/dec/tulip/winbond-840.c b/drivers/net/ethernet/dec/tulip/winbond-840.c index 9beb3d34d4ba..3c0e4d5c5fef 100644 --- a/drivers/net/ethernet/dec/tulip/winbond-840.c +++ b/drivers/net/ethernet/dec/tulip/winbond-840.c @@ -907,7 +907,7 @@ static void init_registers(struct net_device *dev) #elif defined(CONFIG_SPARC) || defined (CONFIG_PARISC) || defined(CONFIG_ARM) i |= 0x4800; #else -#warning Processor architecture undefined + dev_warn(&dev->dev, "unknown CPU architecture, using default csr0 setting\n"); i |= 0x4800; #endif iowrite32(i, ioaddr + PCIBusCfg); diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig index ff76d4e9dc1b..bee32a9d9876 100644 --- a/drivers/net/ethernet/freescale/Kconfig +++ b/drivers/net/ethernet/freescale/Kconfig @@ -7,7 +7,8 @@ config NET_VENDOR_FREESCALE default y depends on FSL_SOC || QUICC_ENGINE || CPM1 || CPM2 || PPC_MPC512x || \ M523x || M527x || M5272 || M528x || M520x || M532x || \ - ARCH_MXC || ARCH_MXS || (PPC_MPC52xx && PPC_BESTCOMM) + ARCH_MXC || ARCH_MXS || (PPC_MPC52xx && PPC_BESTCOMM) || \ + ARCH_LAYERSCAPE ---help--- If you have a network (Ethernet) card belonging to this class, say Y. diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 3e6b9b437497..7cf898455e60 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -647,9 +647,9 @@ static int gfar_parse_group(struct device_node *np, if (model && strcasecmp(model, "FEC")) { gfar_irq(grp, RX)->irq = irq_of_parse_and_map(np, 1); gfar_irq(grp, ER)->irq = irq_of_parse_and_map(np, 2); - if (gfar_irq(grp, TX)->irq == NO_IRQ || - gfar_irq(grp, RX)->irq == NO_IRQ || - gfar_irq(grp, ER)->irq == NO_IRQ) + if (!gfar_irq(grp, TX)->irq || + !gfar_irq(grp, RX)->irq || + !gfar_irq(grp, ER)->irq) return -EINVAL; } diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c index 664d0c261269..b40fba929d65 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -467,7 +467,7 @@ static int gianfar_ptp_probe(struct platform_device *dev) etsects->irq = platform_get_irq(dev, 0); - if (etsects->irq == NO_IRQ) { + if (etsects->irq < 0) { pr_err("irq not in device tree\n"); goto no_node; } diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index 639263d5e833..7781e80896a6 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c @@ -627,8 +627,10 @@ static netdev_tx_t fm10k_xmit_frame(struct sk_buff *skb, struct net_device *dev) /* verify the skb head is not shared */ err = skb_cow_head(skb, 0); - if (err) + if (err) { + dev_kfree_skb(skb); return NETDEV_TX_OK; + } /* locate vlan header */ vhdr = (struct vlan_hdr *)(skb->data + ETH_HLEN); diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index e84c7f2634d3..ed622fa29dfa 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -36,7 +36,7 @@ /* Registers */ #define MVNETA_RXQ_CONFIG_REG(q) (0x1400 + ((q) << 2)) -#define MVNETA_RXQ_HW_BUF_ALLOC BIT(1) +#define MVNETA_RXQ_HW_BUF_ALLOC BIT(0) #define MVNETA_RXQ_PKT_OFFSET_ALL_MASK (0xf << 8) #define MVNETA_RXQ_PKT_OFFSET_MASK(offs) ((offs) << 8) #define MVNETA_RXQ_THRESHOLD_REG(q) (0x14c0 + ((q) << 2)) @@ -62,6 +62,7 @@ #define MVNETA_WIN_SIZE(w) (0x2204 + ((w) << 3)) #define MVNETA_WIN_REMAP(w) (0x2280 + ((w) << 2)) #define MVNETA_BASE_ADDR_ENABLE 0x2290 +#define MVNETA_ACCESS_PROTECT_ENABLE 0x2294 #define MVNETA_PORT_CONFIG 0x2400 #define MVNETA_UNI_PROMISC_MODE BIT(0) #define MVNETA_DEF_RXQ(q) ((q) << 1) @@ -159,7 +160,7 @@ #define MVNETA_INTR_ENABLE 0x25b8 #define MVNETA_TXQ_INTR_ENABLE_ALL_MASK 0x0000ff00 -#define MVNETA_RXQ_INTR_ENABLE_ALL_MASK 0xff000000 // note: neta says it's 0x000000FF +#define MVNETA_RXQ_INTR_ENABLE_ALL_MASK 0x000000ff #define MVNETA_RXQ_CMD 0x2680 #define MVNETA_RXQ_DISABLE_SHIFT 8 @@ -242,6 +243,7 @@ #define MVNETA_VLAN_TAG_LEN 4 #define MVNETA_CPU_D_CACHE_LINE_SIZE 32 +#define MVNETA_TX_CSUM_DEF_SIZE 1600 #define MVNETA_TX_CSUM_MAX_SIZE 9800 #define MVNETA_ACC_MODE_EXT 1 @@ -1579,12 +1581,16 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, } skb = build_skb(data, pp->frag_size > PAGE_SIZE ? 0 : pp->frag_size); - if (!skb) - goto err_drop_frame; + /* After refill old buffer has to be unmapped regardless + * the skb is successfully built or not. + */ dma_unmap_single(dev->dev.parent, phys_addr, MVNETA_RX_BUF_SIZE(pp->pkt_size), DMA_FROM_DEVICE); + if (!skb) + goto err_drop_frame; + rcvd_pkts++; rcvd_bytes += rx_bytes; @@ -3191,6 +3197,7 @@ static void mvneta_conf_mbus_windows(struct mvneta_port *pp, } mvreg_write(pp, MVNETA_BASE_ADDR_ENABLE, win_enable); + mvreg_write(pp, MVNETA_ACCESS_PROTECT_ENABLE, win_protect); } /* Power up the port */ @@ -3250,6 +3257,7 @@ static int mvneta_probe(struct platform_device *pdev) char hw_mac_addr[ETH_ALEN]; const char *mac_from; const char *managed; + int tx_csum_limit; int phy_mode; int err; int cpu; @@ -3350,8 +3358,21 @@ static int mvneta_probe(struct platform_device *pdev) } } - if (of_device_is_compatible(dn, "marvell,armada-370-neta")) - pp->tx_csum_limit = 1600; + if (!of_property_read_u32(dn, "tx-csum-limit", &tx_csum_limit)) { + if (tx_csum_limit < 0 || + tx_csum_limit > MVNETA_TX_CSUM_MAX_SIZE) { + tx_csum_limit = MVNETA_TX_CSUM_DEF_SIZE; + dev_info(&pdev->dev, + "Wrong TX csum limit in DT, set to %dB\n", + MVNETA_TX_CSUM_DEF_SIZE); + } + } else if (of_device_is_compatible(dn, "marvell,armada-370-neta")) { + tx_csum_limit = MVNETA_TX_CSUM_DEF_SIZE; + } else { + tx_csum_limit = MVNETA_TX_CSUM_MAX_SIZE; + } + + pp->tx_csum_limit = tx_csum_limit; pp->tx_ring_size = MVNETA_MAX_TXD; pp->rx_ring_size = MVNETA_MAX_RXD; diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index b159ef8303cc..057665180f13 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1326,7 +1326,7 @@ static int lpc_eth_drv_probe(struct platform_device *pdev) /* Get platform resources */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if ((!res) || (irq < 0) || (irq >= NR_IRQS)) { + if (!res || irq < 0) { dev_err(&pdev->dev, "error getting resources.\n"); ret = -ENXIO; goto err_exit; diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index ee8d1ec61fab..ed5da4d47668 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1225,7 +1225,7 @@ static int ravb_open(struct net_device *ndev) /* Device init */ error = ravb_dmac_init(ndev); if (error) - goto out_free_irq; + goto out_free_irq2; ravb_emac_init(ndev); /* Initialise PTP Clock driver */ @@ -1243,9 +1243,11 @@ static int ravb_open(struct net_device *ndev) out_ptp_stop: /* Stop PTP Clock driver */ ravb_ptp_stop(ndev); +out_free_irq2: + if (priv->chip_id == RCAR_GEN3) + free_irq(priv->emac_irq, ndev); out_free_irq: free_irq(ndev->irq, ndev); - free_irq(priv->emac_irq, ndev); out_napi_off: napi_disable(&priv->napi[RAVB_NC]); napi_disable(&priv->napi[RAVB_BE]); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c index 7f6f4a4fcc70..58c05acc2aab 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c @@ -299,16 +299,17 @@ static int sti_dwmac_parse_data(struct sti_dwmac *dwmac, if (IS_PHY_IF_MODE_GBIT(dwmac->interface)) { const char *rs; + dwmac->tx_retime_src = TX_RETIME_SRC_CLKGEN; + err = of_property_read_string(np, "st,tx-retime-src", &rs); if (err < 0) { dev_warn(dev, "Use internal clock source\n"); - dwmac->tx_retime_src = TX_RETIME_SRC_CLKGEN; - } else if (!strcasecmp(rs, "clk_125")) { - dwmac->tx_retime_src = TX_RETIME_SRC_CLK_125; - } else if (!strcasecmp(rs, "txclk")) { - dwmac->tx_retime_src = TX_RETIME_SRC_TXCLK; + } else { + if (!strcasecmp(rs, "clk_125")) + dwmac->tx_retime_src = TX_RETIME_SRC_CLK_125; + else if (!strcasecmp(rs, "txclk")) + dwmac->tx_retime_src = TX_RETIME_SRC_TXCLK; } - dwmac->speed = SPEED_1000; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 64d8aa4e0cad..3c6549aee11d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -185,7 +185,7 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv) priv->clk_csr = STMMAC_CSR_100_150M; else if ((clk_rate >= CSR_F_150M) && (clk_rate < CSR_F_250M)) priv->clk_csr = STMMAC_CSR_150_250M; - else if ((clk_rate >= CSR_F_250M) && (clk_rate < CSR_F_300M)) + else if ((clk_rate >= CSR_F_250M) && (clk_rate <= CSR_F_300M)) priv->clk_csr = STMMAC_CSR_250_300M; } } @@ -2232,6 +2232,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit) frame_len = priv->hw->desc->get_rx_frame_len(p, coe); + /* check if frame_len fits the preallocated memory */ + if (frame_len > priv->dma_buf_sz) { + priv->dev->stats.rx_length_errors++; + break; + } + /* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3 * Type frames (LLC/LLC-SNAP) */ @@ -3102,6 +3108,7 @@ int stmmac_resume(struct net_device *ndev) init_dma_desc_rings(ndev, GFP_ATOMIC); stmmac_hw_setup(ndev, false); stmmac_init_tx_coalesce(priv); + stmmac_set_rx_mode(ndev); napi_enable(&priv->napi); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index ebf6abc4853f..bba670c42e37 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -138,7 +138,6 @@ int stmmac_mdio_reset(struct mii_bus *bus) #ifdef CONFIG_OF if (priv->device->of_node) { - int reset_gpio, active_low; if (data->reset_gpio < 0) { struct device_node *np = priv->device->of_node; @@ -154,24 +153,23 @@ int stmmac_mdio_reset(struct mii_bus *bus) "snps,reset-active-low"); of_property_read_u32_array(np, "snps,reset-delays-us", data->delays, 3); - } - reset_gpio = data->reset_gpio; - active_low = data->active_low; + if (gpio_request(data->reset_gpio, "mdio-reset")) + return 0; + } - if (!gpio_request(reset_gpio, "mdio-reset")) { - gpio_direction_output(reset_gpio, active_low ? 1 : 0); - if (data->delays[0]) - msleep(DIV_ROUND_UP(data->delays[0], 1000)); + gpio_direction_output(data->reset_gpio, + data->active_low ? 1 : 0); + if (data->delays[0]) + msleep(DIV_ROUND_UP(data->delays[0], 1000)); - gpio_set_value(reset_gpio, active_low ? 0 : 1); - if (data->delays[1]) - msleep(DIV_ROUND_UP(data->delays[1], 1000)); + gpio_set_value(data->reset_gpio, data->active_low ? 0 : 1); + if (data->delays[1]) + msleep(DIV_ROUND_UP(data->delays[1], 1000)); - gpio_set_value(reset_gpio, active_low ? 1 : 0); - if (data->delays[2]) - msleep(DIV_ROUND_UP(data->delays[2], 1000)); - } + gpio_set_value(data->reset_gpio, data->active_low ? 1 : 0); + if (data->delays[2]) + msleep(DIV_ROUND_UP(data->delays[2], 1000)); } #endif diff --git a/drivers/net/ethernet/ti/cpsw-common.c b/drivers/net/ethernet/ti/cpsw-common.c index c08be62bceba..1562ab4151e1 100644 --- a/drivers/net/ethernet/ti/cpsw-common.c +++ b/drivers/net/ethernet/ti/cpsw-common.c @@ -78,6 +78,9 @@ static int cpsw_am33xx_cm_get_macid(struct device *dev, u16 offset, int slave, int ti_cm_get_macid(struct device *dev, int slave, u8 *mac_addr) { + if (of_machine_is_compatible("ti,dm8148")) + return cpsw_am33xx_cm_get_macid(dev, 0x630, slave, mac_addr); + if (of_machine_is_compatible("ti,am33xx")) return cpsw_am33xx_cm_get_macid(dev, 0x630, slave, mac_addr); diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 54036ae0a388..0fc521941c71 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -498,7 +498,7 @@ static void macvtap_sock_write_space(struct sock *sk) wait_queue_head_t *wqueue; if (!sock_writeable(sk) || - !test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags)) + !test_and_clear_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags)) return; wqueue = sk_sleep(sk); @@ -585,7 +585,7 @@ static unsigned int macvtap_poll(struct file *file, poll_table * wait) mask |= POLLIN | POLLRDNORM; if (sock_writeable(&q->sk) || - (!test_and_set_bit(SOCK_ASYNC_NOSPACE, &q->sock.flags) && + (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &q->sock.flags) && sock_writeable(&q->sk))) mask |= POLLOUT | POLLWRNORM; diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 07a6119121c3..3ce5d9514623 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -614,7 +614,7 @@ static struct mdio_device_id __maybe_unused broadcom_tbl[] = { { PHY_ID_BCM5461, 0xfffffff0 }, { PHY_ID_BCM54616S, 0xfffffff0 }, { PHY_ID_BCM5464, 0xfffffff0 }, - { PHY_ID_BCM5482, 0xfffffff0 }, + { PHY_ID_BCM5481, 0xfffffff0 }, { PHY_ID_BCM5482, 0xfffffff0 }, { PHY_ID_BCM50610, 0xfffffff0 }, { PHY_ID_BCM50610M, 0xfffffff0 }, diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 48ce6ef400fe..47cd306dbb3c 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -448,7 +448,8 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) mdiobus_write(phydev->bus, mii_data->phy_id, mii_data->reg_num, val); - if (mii_data->reg_num == MII_BMCR && + if (mii_data->phy_id == phydev->addr && + mii_data->reg_num == MII_BMCR && val & BMCR_RESET) return phy_init_hw(phydev); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index b1878faea397..f0db770e8b2f 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1040,7 +1040,7 @@ static unsigned int tun_chr_poll(struct file *file, poll_table *wait) mask |= POLLIN | POLLRDNORM; if (sock_writeable(sk) || - (!test_and_set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags) && + (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) && sock_writeable(sk))) mask |= POLLOUT | POLLWRNORM; @@ -1488,7 +1488,7 @@ static void tun_sock_write_space(struct sock *sk) if (!sock_writeable(sk)) return; - if (!test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags)) + if (!test_and_clear_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags)) return; wqueue = sk_sleep(sk); diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index a187f08113ec..3b1ba8237768 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -691,7 +691,6 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags) { - const struct usb_cdc_union_desc *union_desc = NULL; struct cdc_ncm_ctx *ctx; struct usb_driver *driver; u8 *buf; @@ -725,15 +724,16 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ /* parse through descriptors associated with control interface */ cdc_parse_cdc_header(&hdr, intf, buf, len); - ctx->data = usb_ifnum_to_if(dev->udev, - hdr.usb_cdc_union_desc->bSlaveInterface0); + if (hdr.usb_cdc_union_desc) + ctx->data = usb_ifnum_to_if(dev->udev, + hdr.usb_cdc_union_desc->bSlaveInterface0); ctx->ether_desc = hdr.usb_cdc_ether_desc; ctx->func_desc = hdr.usb_cdc_ncm_desc; ctx->mbim_desc = hdr.usb_cdc_mbim_desc; ctx->mbim_extended_desc = hdr.usb_cdc_mbim_extended_desc; /* some buggy devices have an IAD but no CDC Union */ - if (!union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) { + if (!hdr.usb_cdc_union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) { ctx->data = usb_ifnum_to_if(dev->udev, intf->cur_altsetting->desc.bInterfaceNumber + 1); dev_dbg(&intf->dev, "CDC Union missing - got slave from IAD\n"); } diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 34799eaace41..9a5be8b85186 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -725,6 +725,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ {QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */ + {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 899ea4288197..417903715437 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -587,6 +587,12 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx, &adapter->pdev->dev, rbi->skb->data, rbi->len, PCI_DMA_FROMDEVICE); + if (dma_mapping_error(&adapter->pdev->dev, + rbi->dma_addr)) { + dev_kfree_skb_any(rbi->skb); + rq->stats.rx_buf_alloc_failure++; + break; + } } else { /* rx buffer skipped by the device */ } @@ -605,13 +611,18 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx, &adapter->pdev->dev, rbi->page, 0, PAGE_SIZE, PCI_DMA_FROMDEVICE); + if (dma_mapping_error(&adapter->pdev->dev, + rbi->dma_addr)) { + put_page(rbi->page); + rq->stats.rx_buf_alloc_failure++; + break; + } } else { /* rx buffers skipped by the device */ } val = VMXNET3_RXD_BTYPE_BODY << VMXNET3_RXD_BTYPE_SHIFT; } - BUG_ON(rbi->dma_addr == 0); gd->rxd.addr = cpu_to_le64(rbi->dma_addr); gd->dword[2] = cpu_to_le32((!ring->gen << VMXNET3_RXD_GEN_SHIFT) | val | rbi->len); @@ -655,7 +666,7 @@ vmxnet3_append_frag(struct sk_buff *skb, struct Vmxnet3_RxCompDesc *rcd, } -static void +static int vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx, struct vmxnet3_tx_queue *tq, struct pci_dev *pdev, struct vmxnet3_adapter *adapter) @@ -715,6 +726,8 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx, tbi->dma_addr = dma_map_single(&adapter->pdev->dev, skb->data + buf_offset, buf_size, PCI_DMA_TODEVICE); + if (dma_mapping_error(&adapter->pdev->dev, tbi->dma_addr)) + return -EFAULT; tbi->len = buf_size; @@ -755,6 +768,8 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx, tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag, buf_offset, buf_size, DMA_TO_DEVICE); + if (dma_mapping_error(&adapter->pdev->dev, tbi->dma_addr)) + return -EFAULT; tbi->len = buf_size; @@ -782,6 +797,8 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx, /* set the last buf_info for the pkt */ tbi->skb = skb; tbi->sop_idx = ctx->sop_txd - tq->tx_ring.base; + + return 0; } @@ -1020,7 +1037,8 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, } /* fill tx descs related to addr & len */ - vmxnet3_map_pkt(skb, &ctx, tq, adapter->pdev, adapter); + if (vmxnet3_map_pkt(skb, &ctx, tq, adapter->pdev, adapter)) + goto unlock_drop_pkt; /* setup the EOP desc */ ctx.eop_txd->dword[3] = cpu_to_le32(VMXNET3_TXD_CQ | VMXNET3_TXD_EOP); @@ -1231,6 +1249,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, struct vmxnet3_rx_buf_info *rbi; struct sk_buff *skb, *new_skb = NULL; struct page *new_page = NULL; + dma_addr_t new_dma_addr; int num_to_alloc; struct Vmxnet3_RxDesc *rxd; u32 idx, ring_idx; @@ -1287,6 +1306,21 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, skip_page_frags = true; goto rcd_done; } + new_dma_addr = dma_map_single(&adapter->pdev->dev, + new_skb->data, rbi->len, + PCI_DMA_FROMDEVICE); + if (dma_mapping_error(&adapter->pdev->dev, + new_dma_addr)) { + dev_kfree_skb(new_skb); + /* Skb allocation failed, do not handover this + * skb to stack. Reuse it. Drop the existing pkt + */ + rq->stats.rx_buf_alloc_failure++; + ctx->skb = NULL; + rq->stats.drop_total++; + skip_page_frags = true; + goto rcd_done; + } dma_unmap_single(&adapter->pdev->dev, rbi->dma_addr, rbi->len, @@ -1303,9 +1337,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, /* Immediate refill */ rbi->skb = new_skb; - rbi->dma_addr = dma_map_single(&adapter->pdev->dev, - rbi->skb->data, rbi->len, - PCI_DMA_FROMDEVICE); + rbi->dma_addr = new_dma_addr; rxd->addr = cpu_to_le64(rbi->dma_addr); rxd->len = rbi->len; if (adapter->version == 2 && @@ -1348,6 +1380,19 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, skip_page_frags = true; goto rcd_done; } + new_dma_addr = dma_map_page(&adapter->pdev->dev + , rbi->page, + 0, PAGE_SIZE, + PCI_DMA_FROMDEVICE); + if (dma_mapping_error(&adapter->pdev->dev, + new_dma_addr)) { + put_page(new_page); + rq->stats.rx_buf_alloc_failure++; + dev_kfree_skb(ctx->skb); + ctx->skb = NULL; + skip_page_frags = true; + goto rcd_done; + } dma_unmap_page(&adapter->pdev->dev, rbi->dma_addr, rbi->len, @@ -1357,10 +1402,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, /* Immediate refill */ rbi->page = new_page; - rbi->dma_addr = dma_map_page(&adapter->pdev->dev - , rbi->page, - 0, PAGE_SIZE, - PCI_DMA_FROMDEVICE); + rbi->dma_addr = new_dma_addr; rxd->addr = cpu_to_le64(rbi->dma_addr); rxd->len = rbi->len; } @@ -2167,7 +2209,8 @@ vmxnet3_set_mc(struct net_device *netdev) PCI_DMA_TODEVICE); } - if (new_table_pa) { + if (!dma_mapping_error(&adapter->pdev->dev, + new_table_pa)) { new_mode |= VMXNET3_RXM_MCAST; rxConf->mfTablePA = cpu_to_le64(new_table_pa); } else { @@ -3075,6 +3118,11 @@ vmxnet3_probe_device(struct pci_dev *pdev, adapter->adapter_pa = dma_map_single(&adapter->pdev->dev, adapter, sizeof(struct vmxnet3_adapter), PCI_DMA_TODEVICE); + if (dma_mapping_error(&adapter->pdev->dev, adapter->adapter_pa)) { + dev_err(&pdev->dev, "Failed to map dma\n"); + err = -EFAULT; + goto err_dma_map; + } adapter->shared = dma_alloc_coherent( &adapter->pdev->dev, sizeof(struct Vmxnet3_DriverShared), @@ -3233,6 +3281,7 @@ err_alloc_queue_desc: err_alloc_shared: dma_unmap_single(&adapter->pdev->dev, adapter->adapter_pa, sizeof(struct vmxnet3_adapter), PCI_DMA_TODEVICE); +err_dma_map: free_netdev(netdev); return err; } diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 92fa3e1ea65c..4f9748457f5a 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -907,7 +907,6 @@ static int vrf_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { struct net_vrf *vrf = netdev_priv(dev); - int err; if (!data || !data[IFLA_VRF_TABLE]) return -EINVAL; @@ -916,15 +915,7 @@ static int vrf_newlink(struct net *src_net, struct net_device *dev, dev->priv_flags |= IFF_L3MDEV_MASTER; - err = register_netdevice(dev); - if (err < 0) - goto out_fail; - - return 0; - -out_fail: - free_netdev(dev); - return err; + return register_netdevice(dev); } static size_t vrf_nl_getsize(const struct net_device *dev) diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index e92aaf615901..89541cc90e87 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -1075,11 +1075,10 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type) used = pvc_is_used(pvc); - if (type == ARPHRD_ETHER) { + if (type == ARPHRD_ETHER) dev = alloc_netdev(0, "pvceth%d", NET_NAME_UNKNOWN, ether_setup); - dev->priv_flags &= ~IFF_TX_SKB_SHARING; - } else + else dev = alloc_netdev(0, "pvc%d", NET_NAME_UNKNOWN, pvc_setup); if (!dev) { @@ -1088,9 +1087,10 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type) return -ENOBUFS; } - if (type == ARPHRD_ETHER) + if (type == ARPHRD_ETHER) { + dev->priv_flags &= ~IFF_TX_SKB_SHARING; eth_hw_addr_random(dev); - else { + } else { *(__be16*)dev->dev_addr = htons(dlci); dlci_to_q922(dev->broadcast, dlci); } diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index 5c47b011a9d7..cd39025d2abf 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -549,16 +549,12 @@ static void x25_asy_receive_buf(struct tty_struct *tty, static int x25_asy_open_tty(struct tty_struct *tty) { - struct x25_asy *sl = tty->disc_data; + struct x25_asy *sl; int err; if (tty->ops->write == NULL) return -EOPNOTSUPP; - /* First make sure we're not already connected. */ - if (sl && sl->magic == X25_ASY_MAGIC) - return -EEXIST; - /* OK. Find a free X.25 channel to use. */ sl = x25_asy_alloc(); if (sl == NULL) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index aa9bd92ac4ed..0947cc271e69 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -51,6 +51,7 @@ MODULE_PARM_DESC(rawmode, "Use raw 802.11 frame datapath"); static const struct ath10k_hw_params ath10k_hw_params_list[] = { { .id = QCA988X_HW_2_0_VERSION, + .dev_id = QCA988X_2_0_DEVICE_ID, .name = "qca988x hw2.0", .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR, .uart_pin = 7, @@ -69,6 +70,25 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { }, { .id = QCA6174_HW_2_1_VERSION, + .dev_id = QCA6164_2_1_DEVICE_ID, + .name = "qca6164 hw2.1", + .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR, + .uart_pin = 6, + .otp_exe_param = 0, + .channel_counters_freq_hz = 88000, + .max_probe_resp_desc_thres = 0, + .fw = { + .dir = QCA6174_HW_2_1_FW_DIR, + .fw = QCA6174_HW_2_1_FW_FILE, + .otp = QCA6174_HW_2_1_OTP_FILE, + .board = QCA6174_HW_2_1_BOARD_DATA_FILE, + .board_size = QCA6174_BOARD_DATA_SZ, + .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ, + }, + }, + { + .id = QCA6174_HW_2_1_VERSION, + .dev_id = QCA6174_2_1_DEVICE_ID, .name = "qca6174 hw2.1", .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR, .uart_pin = 6, @@ -86,6 +106,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { }, { .id = QCA6174_HW_3_0_VERSION, + .dev_id = QCA6174_2_1_DEVICE_ID, .name = "qca6174 hw3.0", .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR, .uart_pin = 6, @@ -103,6 +124,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { }, { .id = QCA6174_HW_3_2_VERSION, + .dev_id = QCA6174_2_1_DEVICE_ID, .name = "qca6174 hw3.2", .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR, .uart_pin = 6, @@ -121,6 +143,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { }, { .id = QCA99X0_HW_2_0_DEV_VERSION, + .dev_id = QCA99X0_2_0_DEVICE_ID, .name = "qca99x0 hw2.0", .patch_load_addr = QCA99X0_HW_2_0_PATCH_LOAD_ADDR, .uart_pin = 7, @@ -139,10 +162,31 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { }, { .id = QCA9377_HW_1_0_DEV_VERSION, + .dev_id = QCA9377_1_0_DEVICE_ID, .name = "qca9377 hw1.0", .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR, - .uart_pin = 7, + .uart_pin = 6, .otp_exe_param = 0, + .channel_counters_freq_hz = 88000, + .max_probe_resp_desc_thres = 0, + .fw = { + .dir = QCA9377_HW_1_0_FW_DIR, + .fw = QCA9377_HW_1_0_FW_FILE, + .otp = QCA9377_HW_1_0_OTP_FILE, + .board = QCA9377_HW_1_0_BOARD_DATA_FILE, + .board_size = QCA9377_BOARD_DATA_SZ, + .board_ext_size = QCA9377_BOARD_EXT_DATA_SZ, + }, + }, + { + .id = QCA9377_HW_1_1_DEV_VERSION, + .dev_id = QCA9377_1_0_DEVICE_ID, + .name = "qca9377 hw1.1", + .patch_load_addr = QCA9377_HW_1_0_PATCH_LOAD_ADDR, + .uart_pin = 6, + .otp_exe_param = 0, + .channel_counters_freq_hz = 88000, + .max_probe_resp_desc_thres = 0, .fw = { .dir = QCA9377_HW_1_0_FW_DIR, .fw = QCA9377_HW_1_0_FW_FILE, @@ -1263,7 +1307,8 @@ static int ath10k_init_hw_params(struct ath10k *ar) for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) { hw_params = &ath10k_hw_params_list[i]; - if (hw_params->id == ar->target_version) + if (hw_params->id == ar->target_version && + hw_params->dev_id == ar->dev_id) break; } diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 018c64f4fd25..858d75f49a9f 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -636,6 +636,7 @@ struct ath10k { struct ath10k_hw_params { u32 id; + u16 dev_id; const char *name; u32 patch_load_addr; int uart_pin; diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 39966a05c1cc..713c2bcea178 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -22,6 +22,12 @@ #define ATH10K_FW_DIR "ath10k" +#define QCA988X_2_0_DEVICE_ID (0x003c) +#define QCA6164_2_1_DEVICE_ID (0x0041) +#define QCA6174_2_1_DEVICE_ID (0x003e) +#define QCA99X0_2_0_DEVICE_ID (0x0040) +#define QCA9377_1_0_DEVICE_ID (0x0042) + /* QCA988X 1.0 definitions (unsupported) */ #define QCA988X_HW_1_0_CHIP_ID_REV 0x0 @@ -42,6 +48,10 @@ #define QCA6174_HW_3_0_VERSION 0x05020000 #define QCA6174_HW_3_2_VERSION 0x05030000 +/* QCA9377 target BMI version signatures */ +#define QCA9377_HW_1_0_DEV_VERSION 0x05020000 +#define QCA9377_HW_1_1_DEV_VERSION 0x05020001 + enum qca6174_pci_rev { QCA6174_PCI_REV_1_1 = 0x11, QCA6174_PCI_REV_1_3 = 0x13, @@ -60,6 +70,11 @@ enum qca6174_chip_id_rev { QCA6174_HW_3_2_CHIP_ID_REV = 10, }; +enum qca9377_chip_id_rev { + QCA9377_HW_1_0_CHIP_ID_REV = 0x0, + QCA9377_HW_1_1_CHIP_ID_REV = 0x1, +}; + #define QCA6174_HW_2_1_FW_DIR "ath10k/QCA6174/hw2.1" #define QCA6174_HW_2_1_FW_FILE "firmware.bin" #define QCA6174_HW_2_1_OTP_FILE "otp.bin" @@ -85,8 +100,6 @@ enum qca6174_chip_id_rev { #define QCA99X0_HW_2_0_PATCH_LOAD_ADDR 0x1234 /* QCA9377 1.0 definitions */ -#define QCA9377_HW_1_0_DEV_VERSION 0x05020001 -#define QCA9377_HW_1_0_CHIP_ID_REV 0x1 #define QCA9377_HW_1_0_FW_DIR ATH10K_FW_DIR "/QCA9377/hw1.0" #define QCA9377_HW_1_0_FW_FILE "firmware.bin" #define QCA9377_HW_1_0_OTP_FILE "otp.bin" diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index a7411fe90cc4..95a55405ebf0 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4225,7 +4225,7 @@ static int ath10k_config(struct ieee80211_hw *hw, u32 changed) static u32 get_nss_from_chainmask(u16 chain_mask) { - if ((chain_mask & 0x15) == 0x15) + if ((chain_mask & 0xf) == 0xf) return 4; else if ((chain_mask & 0x7) == 0x7) return 3; diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 3fca200b986c..930785a724e1 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -57,12 +57,6 @@ MODULE_PARM_DESC(reset_mode, "0: auto, 1: warm only (default: 0)"); #define ATH10K_PCI_TARGET_WAIT 3000 #define ATH10K_PCI_NUM_WARM_RESET_ATTEMPTS 3 -#define QCA988X_2_0_DEVICE_ID (0x003c) -#define QCA6164_2_1_DEVICE_ID (0x0041) -#define QCA6174_2_1_DEVICE_ID (0x003e) -#define QCA99X0_2_0_DEVICE_ID (0x0040) -#define QCA9377_1_0_DEVICE_ID (0x0042) - static const struct pci_device_id ath10k_pci_id_table[] = { { PCI_VDEVICE(ATHEROS, QCA988X_2_0_DEVICE_ID) }, /* PCI-E QCA988X V2 */ { PCI_VDEVICE(ATHEROS, QCA6164_2_1_DEVICE_ID) }, /* PCI-E QCA6164 V2.1 */ @@ -92,7 +86,9 @@ static const struct ath10k_pci_supp_chip ath10k_pci_supp_chips[] = { { QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_2_CHIP_ID_REV }, { QCA99X0_2_0_DEVICE_ID, QCA99X0_HW_2_0_CHIP_ID_REV }, + { QCA9377_1_0_DEVICE_ID, QCA9377_HW_1_0_CHIP_ID_REV }, + { QCA9377_1_0_DEVICE_ID, QCA9377_HW_1_1_CHIP_ID_REV }, }; static void ath10k_pci_buffer_cleanup(struct ath10k *ar); @@ -111,8 +107,9 @@ static void ath10k_pci_htc_tx_cb(struct ath10k_ce_pipe *ce_state); static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state); static void ath10k_pci_htt_tx_cb(struct ath10k_ce_pipe *ce_state); static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state); +static void ath10k_pci_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state); -static const struct ce_attr host_ce_config_wlan[] = { +static struct ce_attr host_ce_config_wlan[] = { /* CE0: host->target HTC control and raw streams */ { .flags = CE_ATTR_FLAGS, @@ -128,7 +125,7 @@ static const struct ce_attr host_ce_config_wlan[] = { .src_nentries = 0, .src_sz_max = 2048, .dest_nentries = 512, - .recv_cb = ath10k_pci_htc_rx_cb, + .recv_cb = ath10k_pci_htt_htc_rx_cb, }, /* CE2: target->host WMI */ @@ -217,7 +214,7 @@ static const struct ce_attr host_ce_config_wlan[] = { }; /* Target firmware's Copy Engine configuration. */ -static const struct ce_pipe_config target_ce_config_wlan[] = { +static struct ce_pipe_config target_ce_config_wlan[] = { /* CE0: host->target HTC control and raw streams */ { .pipenum = __cpu_to_le32(0), @@ -330,7 +327,7 @@ static const struct ce_pipe_config target_ce_config_wlan[] = { * This table is derived from the CE_PCI TABLE, above. * It is passed to the Target at startup for use by firmware. */ -static const struct service_to_pipe target_service_to_ce_map_wlan[] = { +static struct service_to_pipe target_service_to_ce_map_wlan[] = { { __cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VO), __cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */ @@ -1208,6 +1205,16 @@ static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state) ath10k_pci_process_rx_cb(ce_state, ath10k_htc_rx_completion_handler); } +static void ath10k_pci_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state) +{ + /* CE4 polling needs to be done whenever CE pipe which transports + * HTT Rx (target->host) is processed. + */ + ath10k_ce_per_engine_service(ce_state->ar, 4); + + ath10k_pci_process_rx_cb(ce_state, ath10k_htc_rx_completion_handler); +} + /* Called by lower (CE) layer when a send to HTT Target completes. */ static void ath10k_pci_htt_tx_cb(struct ath10k_ce_pipe *ce_state) { @@ -2027,6 +2034,29 @@ static int ath10k_pci_init_config(struct ath10k *ar) return 0; } +static void ath10k_pci_override_ce_config(struct ath10k *ar) +{ + struct ce_attr *attr; + struct ce_pipe_config *config; + + /* For QCA6174 we're overriding the Copy Engine 5 configuration, + * since it is currently used for other feature. + */ + + /* Override Host's Copy Engine 5 configuration */ + attr = &host_ce_config_wlan[5]; + attr->src_sz_max = 0; + attr->dest_nentries = 0; + + /* Override Target firmware's Copy Engine configuration */ + config = &target_ce_config_wlan[5]; + config->pipedir = __cpu_to_le32(PIPEDIR_OUT); + config->nbytes_max = __cpu_to_le32(2048); + + /* Map from service/endpoint to Copy Engine */ + target_service_to_ce_map_wlan[15].pipenum = __cpu_to_le32(1); +} + static int ath10k_pci_alloc_pipes(struct ath10k *ar) { struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); @@ -3020,6 +3050,9 @@ static int ath10k_pci_probe(struct pci_dev *pdev, goto err_core_destroy; } + if (QCA_REV_6174(ar)) + ath10k_pci_override_ce_config(ar); + ret = ath10k_pci_alloc_pipes(ar); if (ret) { ath10k_err(ar, "failed to allocate copy engine pipes: %d\n", diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index 1a73c7a1da77..bf88ec3a65fa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -69,7 +69,7 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL7260_UCODE_API_MAX 17 +#define IWL7260_UCODE_API_MAX 19 /* Oldest version we won't warn about */ #define IWL7260_UCODE_API_OK 13 diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c index 0116e5a4c393..9bcc0bf937d8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/iwlwifi/iwl-8000.c @@ -69,7 +69,7 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL8000_UCODE_API_MAX 17 +#define IWL8000_UCODE_API_MAX 19 /* Oldest version we won't warn about */ #define IWL8000_UCODE_API_OK 13 diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c index 85ae902df7c0..29ae58ebf223 100644 --- a/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -309,9 +309,9 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, * to transmit packets to the AP, i.e. the PTK. */ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { - key->hw_key_idx = 0; mvm->ptk_ivlen = key->iv_len; mvm->ptk_icvlen = key->icv_len; + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 0); } else { /* * firmware only supports TSC/RSC for a single key, @@ -319,12 +319,11 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, * with new ones -- this relies on mac80211 doing * list_add_tail(). */ - key->hw_key_idx = 1; mvm->gtk_ivlen = key->iv_len; mvm->gtk_icvlen = key->icv_len; + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, 1); } - ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, true); data->error = ret != 0; out_unlock: mutex_unlock(&mvm->mutex); @@ -772,9 +771,6 @@ static int iwl_mvm_switch_to_d3(struct iwl_mvm *mvm) */ set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); - /* We reprogram keys and shouldn't allocate new key indices */ - memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); - mvm->ptk_ivlen = 0; mvm->ptk_icvlen = 0; mvm->ptk_ivlen = 0; diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 1fb684693040..e88afac51c5d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -2941,6 +2941,7 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; + u8 key_offset; if (iwlwifi_mod_params.sw_crypto) { IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n"); @@ -3006,10 +3007,14 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, break; } + /* in HW restart reuse the index, otherwise request a new one */ + if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) + key_offset = key->hw_key_idx; + else + key_offset = STA_KEY_IDX_INVALID; + IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n"); - ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, - test_bit(IWL_MVM_STATUS_IN_HW_RESTART, - &mvm->status)); + ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, key_offset); if (ret) { IWL_WARN(mvm, "set key failed\n"); /* diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 300a249486e4..354acbde088e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -1201,7 +1201,8 @@ static int iwl_mvm_set_fw_key_idx(struct iwl_mvm *mvm) return max_offs; } -static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif, +static u8 iwl_mvm_get_key_sta_id(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); @@ -1218,8 +1219,21 @@ static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif, * station ID, then use AP's station ID. */ if (vif->type == NL80211_IFTYPE_STATION && - mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) - return mvmvif->ap_sta_id; + mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { + u8 sta_id = mvmvif->ap_sta_id; + + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + /* + * It is possible that the 'sta' parameter is NULL, + * for example when a GTK is removed - the sta_id will then + * be the AP ID, and no station was passed by mac80211. + */ + if (IS_ERR_OR_NULL(sta)) + return IWL_MVM_STATION_COUNT; + + return sta_id; + } return IWL_MVM_STATION_COUNT; } @@ -1227,7 +1241,8 @@ static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif, static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvm_sta, struct ieee80211_key_conf *keyconf, bool mcast, - u32 tkip_iv32, u16 *tkip_p1k, u32 cmd_flags) + u32 tkip_iv32, u16 *tkip_p1k, u32 cmd_flags, + u8 key_offset) { struct iwl_mvm_add_sta_key_cmd cmd = {}; __le16 key_flags; @@ -1269,7 +1284,7 @@ static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm, if (mcast) key_flags |= cpu_to_le16(STA_KEY_MULTICAST); - cmd.key_offset = keyconf->hw_key_idx; + cmd.key_offset = key_offset; cmd.key_flags = key_flags; cmd.sta_id = sta_id; @@ -1360,6 +1375,7 @@ static int __iwl_mvm_set_sta_key(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *keyconf, + u8 key_offset, bool mcast) { struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); @@ -1375,17 +1391,17 @@ static int __iwl_mvm_set_sta_key(struct iwl_mvm *mvm, ieee80211_get_key_rx_seq(keyconf, 0, &seq); ieee80211_get_tkip_rx_p1k(keyconf, addr, seq.tkip.iv32, p1k); ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, - seq.tkip.iv32, p1k, 0); + seq.tkip.iv32, p1k, 0, key_offset); break; case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, - 0, NULL, 0); + 0, NULL, 0, key_offset); break; default: ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, - 0, NULL, 0); + 0, NULL, 0, key_offset); } return ret; @@ -1433,7 +1449,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *keyconf, - bool have_key_offset) + u8 key_offset) { bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); u8 sta_id; @@ -1443,7 +1459,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, lockdep_assert_held(&mvm->mutex); /* Get the station id from the mvm local station table */ - sta_id = iwl_mvm_get_key_sta_id(vif, sta); + sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); if (sta_id == IWL_MVM_STATION_COUNT) { IWL_ERR(mvm, "Failed to find station id\n"); return -EINVAL; @@ -1470,18 +1486,25 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, if (WARN_ON_ONCE(iwl_mvm_sta_from_mac80211(sta)->vif != vif)) return -EINVAL; - if (!have_key_offset) { - /* - * The D3 firmware hardcodes the PTK offset to 0, so we have to - * configure it there. As a result, this workaround exists to - * let the caller set the key offset (hw_key_idx), see d3.c. - */ - keyconf->hw_key_idx = iwl_mvm_set_fw_key_idx(mvm); - if (keyconf->hw_key_idx == STA_KEY_IDX_INVALID) + /* If the key_offset is not pre-assigned, we need to find a + * new offset to use. In normal cases, the offset is not + * pre-assigned, but during HW_RESTART we want to reuse the + * same indices, so we pass them when this function is called. + * + * In D3 entry, we need to hardcoded the indices (because the + * firmware hardcodes the PTK offset to 0). In this case, we + * need to make sure we don't overwrite the hw_key_idx in the + * keyconf structure, because otherwise we cannot configure + * the original ones back when resuming. + */ + if (key_offset == STA_KEY_IDX_INVALID) { + key_offset = iwl_mvm_set_fw_key_idx(mvm); + if (key_offset == STA_KEY_IDX_INVALID) return -ENOSPC; + keyconf->hw_key_idx = key_offset; } - ret = __iwl_mvm_set_sta_key(mvm, vif, sta, keyconf, mcast); + ret = __iwl_mvm_set_sta_key(mvm, vif, sta, keyconf, key_offset, mcast); if (ret) { __clear_bit(keyconf->hw_key_idx, mvm->fw_key_table); goto end; @@ -1495,7 +1518,8 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, */ if (keyconf->cipher == WLAN_CIPHER_SUITE_WEP40 || keyconf->cipher == WLAN_CIPHER_SUITE_WEP104) { - ret = __iwl_mvm_set_sta_key(mvm, vif, sta, keyconf, !mcast); + ret = __iwl_mvm_set_sta_key(mvm, vif, sta, keyconf, + key_offset, !mcast); if (ret) { __clear_bit(keyconf->hw_key_idx, mvm->fw_key_table); __iwl_mvm_remove_sta_key(mvm, sta_id, keyconf, mcast); @@ -1521,7 +1545,7 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, lockdep_assert_held(&mvm->mutex); /* Get the station id from the mvm local station table */ - sta_id = iwl_mvm_get_key_sta_id(vif, sta); + sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); IWL_DEBUG_WEP(mvm, "mvm remove dynamic key: idx=%d sta=%d\n", keyconf->keyidx, sta_id); @@ -1547,24 +1571,6 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, return 0; } - /* - * It is possible that the 'sta' parameter is NULL, and thus - * there is a need to retrieve the sta from the local station table, - * for example when a GTK is removed (where the sta_id will then be - * the AP ID, and no station was passed by mac80211.) - */ - if (!sta) { - sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], - lockdep_is_held(&mvm->mutex)); - if (!sta) { - IWL_ERR(mvm, "Invalid station id\n"); - return -EINVAL; - } - } - - if (WARN_ON_ONCE(iwl_mvm_sta_from_mac80211(sta)->vif != vif)) - return -EINVAL; - ret = __iwl_mvm_remove_sta_key(mvm, sta_id, keyconf, mcast); if (ret) return ret; @@ -1584,7 +1590,7 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, u16 *phase1key) { struct iwl_mvm_sta *mvm_sta; - u8 sta_id = iwl_mvm_get_key_sta_id(vif, sta); + u8 sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta); bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT)) @@ -1602,7 +1608,7 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, mvm_sta = iwl_mvm_sta_from_mac80211(sta); iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, - iv32, phase1key, CMD_ASYNC); + iv32, phase1key, CMD_ASYNC, keyconf->hw_key_idx); rcu_read_unlock(); } diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index eedb215eba3f..0631cc0a6d3c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -365,8 +365,8 @@ int iwl_mvm_rm_sta_id(struct iwl_mvm *mvm, int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key, - bool have_key_offset); + struct ieee80211_key_conf *keyconf, + u8 key_offset); int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 644b58bc5226..639761fb2bfb 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -423,14 +423,21 @@ static const struct pci_device_id iwl_hw_card_ids[] = { /* 8000 Series */ {IWL_PCI_DEVICE(0x24F3, 0x0010, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x1010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0130, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x1130, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0132, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x1132, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0110, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x01F0, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0012, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x1012, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x1110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0250, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x1050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0150, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x1150, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x0030, iwl8260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x24F4, 0x1130, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x1030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC010, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC110, iwl8260_2ac_cfg)}, @@ -438,18 +445,28 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F3, 0xC050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xD050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x8010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x8110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x9010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x9110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x8030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x9030, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x8130, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x9130, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x8132, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x9132, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x8050, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x8150, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x9050, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x9150, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0004, iwl8260_2n_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0044, iwl8260_2n_cfg)}, {IWL_PCI_DEVICE(0x24F5, 0x0010, iwl4165_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F6, 0x0030, iwl4165_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0810, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0910, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0850, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0950, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)}, #endif /* CONFIG_IWLMVM */ {0} diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c index 6e9418ed90c2..bbb789f8990b 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c @@ -2272,7 +2272,7 @@ void rtl8821ae_enable_interrupt(struct ieee80211_hw *hw) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - if (!rtlpci->int_clear) + if (rtlpci->int_clear) rtl8821ae_clear_interrupt(hw);/*clear it here first*/ rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & 0xFFFFFFFF); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c index 8ee141a55bc5..142bdff4ed60 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c @@ -448,7 +448,7 @@ MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n"); MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 1)\n"); MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)"); MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n"); -MODULE_PARM_DESC(int_clear, "Set to 1 to disable interrupt clear before set (default 0)\n"); +MODULE_PARM_DESC(int_clear, "Set to 0 to disable interrupt clear before set (default 1)\n"); static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume); diff --git a/drivers/nvme/host/Makefile b/drivers/nvme/host/Makefile index 219dc206fa5f..a5fe23952586 100644 --- a/drivers/nvme/host/Makefile +++ b/drivers/nvme/host/Makefile @@ -1,4 +1,5 @@ obj-$(CONFIG_BLK_DEV_NVME) += nvme.o -nvme-y += pci.o scsi.o lightnvm.o +lightnvm-$(CONFIG_NVM) := lightnvm.o +nvme-y += pci.o scsi.o $(lightnvm-y) diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index e0b7b95813bc..06c336410235 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -22,8 +22,6 @@ #include "nvme.h" -#ifdef CONFIG_NVM - #include <linux/nvme.h> #include <linux/bitops.h> #include <linux/lightnvm.h> @@ -93,7 +91,7 @@ struct nvme_nvm_l2ptbl { __le16 cdw14[6]; }; -struct nvme_nvm_bbtbl { +struct nvme_nvm_getbbtbl { __u8 opcode; __u8 flags; __u16 command_id; @@ -101,10 +99,23 @@ struct nvme_nvm_bbtbl { __u64 rsvd[2]; __le64 prp1; __le64 prp2; - __le32 prp1_len; - __le32 prp2_len; - __le32 lbb; - __u32 rsvd11[3]; + __le64 spba; + __u32 rsvd4[4]; +}; + +struct nvme_nvm_setbbtbl { + __u8 opcode; + __u8 flags; + __u16 command_id; + __le32 nsid; + __le64 rsvd[2]; + __le64 prp1; + __le64 prp2; + __le64 spba; + __le16 nlb; + __u8 value; + __u8 rsvd3; + __u32 rsvd4[3]; }; struct nvme_nvm_erase_blk { @@ -129,8 +140,8 @@ struct nvme_nvm_command { struct nvme_nvm_hb_rw hb_rw; struct nvme_nvm_ph_rw ph_rw; struct nvme_nvm_l2ptbl l2p; - struct nvme_nvm_bbtbl get_bb; - struct nvme_nvm_bbtbl set_bb; + struct nvme_nvm_getbbtbl get_bb; + struct nvme_nvm_setbbtbl set_bb; struct nvme_nvm_erase_blk erase; }; }; @@ -142,11 +153,13 @@ struct nvme_nvm_id_group { __u8 num_ch; __u8 num_lun; __u8 num_pln; + __u8 rsvd1; __le16 num_blk; __le16 num_pg; __le16 fpg_sz; __le16 csecs; __le16 sos; + __le16 rsvd2; __le32 trdt; __le32 trdm; __le32 tprt; @@ -154,8 +167,9 @@ struct nvme_nvm_id_group { __le32 tbet; __le32 tbem; __le32 mpos; + __le32 mccap; __le16 cpar; - __u8 reserved[913]; + __u8 reserved[906]; } __packed; struct nvme_nvm_addr_format { @@ -178,15 +192,28 @@ struct nvme_nvm_id { __u8 ver_id; __u8 vmnt; __u8 cgrps; - __u8 res[5]; + __u8 res; __le32 cap; __le32 dom; struct nvme_nvm_addr_format ppaf; - __u8 ppat; - __u8 resv[223]; + __u8 resv[228]; struct nvme_nvm_id_group groups[4]; } __packed; +struct nvme_nvm_bb_tbl { + __u8 tblid[4]; + __le16 verid; + __le16 revid; + __le32 rvsd1; + __le32 tblks; + __le32 tfact; + __le32 tgrown; + __le32 tdresv; + __le32 thresv; + __le32 rsvd2[8]; + __u8 blk[0]; +}; + /* * Check we didn't inadvertently grow the command struct */ @@ -195,12 +222,14 @@ static inline void _nvme_nvm_check_size(void) BUILD_BUG_ON(sizeof(struct nvme_nvm_identity) != 64); BUILD_BUG_ON(sizeof(struct nvme_nvm_hb_rw) != 64); BUILD_BUG_ON(sizeof(struct nvme_nvm_ph_rw) != 64); - BUILD_BUG_ON(sizeof(struct nvme_nvm_bbtbl) != 64); + BUILD_BUG_ON(sizeof(struct nvme_nvm_getbbtbl) != 64); + BUILD_BUG_ON(sizeof(struct nvme_nvm_setbbtbl) != 64); BUILD_BUG_ON(sizeof(struct nvme_nvm_l2ptbl) != 64); BUILD_BUG_ON(sizeof(struct nvme_nvm_erase_blk) != 64); BUILD_BUG_ON(sizeof(struct nvme_nvm_id_group) != 960); BUILD_BUG_ON(sizeof(struct nvme_nvm_addr_format) != 128); BUILD_BUG_ON(sizeof(struct nvme_nvm_id) != 4096); + BUILD_BUG_ON(sizeof(struct nvme_nvm_bb_tbl) != 512); } static int init_grps(struct nvm_id *nvm_id, struct nvme_nvm_id *nvme_nvm_id) @@ -234,6 +263,7 @@ static int init_grps(struct nvm_id *nvm_id, struct nvme_nvm_id *nvme_nvm_id) dst->tbet = le32_to_cpu(src->tbet); dst->tbem = le32_to_cpu(src->tbem); dst->mpos = le32_to_cpu(src->mpos); + dst->mccap = le32_to_cpu(src->mccap); dst->cpar = le16_to_cpu(src->cpar); } @@ -244,6 +274,7 @@ static int init_grps(struct nvm_id *nvm_id, struct nvme_nvm_id *nvme_nvm_id) static int nvme_nvm_identity(struct request_queue *q, struct nvm_id *nvm_id) { struct nvme_ns *ns = q->queuedata; + struct nvme_dev *dev = ns->dev; struct nvme_nvm_id *nvme_nvm_id; struct nvme_nvm_command c = {}; int ret; @@ -256,8 +287,8 @@ static int nvme_nvm_identity(struct request_queue *q, struct nvm_id *nvm_id) if (!nvme_nvm_id) return -ENOMEM; - ret = nvme_submit_sync_cmd(q, (struct nvme_command *)&c, nvme_nvm_id, - sizeof(struct nvme_nvm_id)); + ret = nvme_submit_sync_cmd(dev->admin_q, (struct nvme_command *)&c, + nvme_nvm_id, sizeof(struct nvme_nvm_id)); if (ret) { ret = -EIO; goto out; @@ -268,6 +299,8 @@ static int nvme_nvm_identity(struct request_queue *q, struct nvm_id *nvm_id) nvm_id->cgrps = nvme_nvm_id->cgrps; nvm_id->cap = le32_to_cpu(nvme_nvm_id->cap); nvm_id->dom = le32_to_cpu(nvme_nvm_id->dom); + memcpy(&nvm_id->ppaf, &nvme_nvm_id->ppaf, + sizeof(struct nvme_nvm_addr_format)); ret = init_grps(nvm_id, nvme_nvm_id); out: @@ -281,7 +314,7 @@ static int nvme_nvm_get_l2p_tbl(struct request_queue *q, u64 slba, u32 nlb, struct nvme_ns *ns = q->queuedata; struct nvme_dev *dev = ns->dev; struct nvme_nvm_command c = {}; - u32 len = queue_max_hw_sectors(q) << 9; + u32 len = queue_max_hw_sectors(dev->admin_q) << 9; u32 nlb_pr_rq = len / sizeof(u64); u64 cmd_slba = slba; void *entries; @@ -299,8 +332,8 @@ static int nvme_nvm_get_l2p_tbl(struct request_queue *q, u64 slba, u32 nlb, c.l2p.slba = cpu_to_le64(cmd_slba); c.l2p.nlb = cpu_to_le32(cmd_nlb); - ret = nvme_submit_sync_cmd(q, (struct nvme_command *)&c, - entries, len); + ret = nvme_submit_sync_cmd(dev->admin_q, + (struct nvme_command *)&c, entries, len); if (ret) { dev_err(dev->dev, "L2P table transfer failed (%d)\n", ret); @@ -322,43 +355,84 @@ out: return ret; } -static int nvme_nvm_get_bb_tbl(struct request_queue *q, int lunid, - unsigned int nr_blocks, - nvm_bb_update_fn *update_bbtbl, void *priv) +static int nvme_nvm_get_bb_tbl(struct nvm_dev *nvmdev, struct ppa_addr ppa, + int nr_blocks, nvm_bb_update_fn *update_bbtbl, + void *priv) { + struct request_queue *q = nvmdev->q; struct nvme_ns *ns = q->queuedata; struct nvme_dev *dev = ns->dev; struct nvme_nvm_command c = {}; - void *bb_bitmap; - u16 bb_bitmap_size; + struct nvme_nvm_bb_tbl *bb_tbl; + int tblsz = sizeof(struct nvme_nvm_bb_tbl) + nr_blocks; int ret = 0; c.get_bb.opcode = nvme_nvm_admin_get_bb_tbl; c.get_bb.nsid = cpu_to_le32(ns->ns_id); - c.get_bb.lbb = cpu_to_le32(lunid); - bb_bitmap_size = ((nr_blocks >> 15) + 1) * PAGE_SIZE; - bb_bitmap = kmalloc(bb_bitmap_size, GFP_KERNEL); - if (!bb_bitmap) - return -ENOMEM; + c.get_bb.spba = cpu_to_le64(ppa.ppa); - bitmap_zero(bb_bitmap, nr_blocks); + bb_tbl = kzalloc(tblsz, GFP_KERNEL); + if (!bb_tbl) + return -ENOMEM; - ret = nvme_submit_sync_cmd(q, (struct nvme_command *)&c, bb_bitmap, - bb_bitmap_size); + ret = nvme_submit_sync_cmd(dev->admin_q, (struct nvme_command *)&c, + bb_tbl, tblsz); if (ret) { dev_err(dev->dev, "get bad block table failed (%d)\n", ret); ret = -EIO; goto out; } - ret = update_bbtbl(lunid, bb_bitmap, nr_blocks, priv); + if (bb_tbl->tblid[0] != 'B' || bb_tbl->tblid[1] != 'B' || + bb_tbl->tblid[2] != 'L' || bb_tbl->tblid[3] != 'T') { + dev_err(dev->dev, "bbt format mismatch\n"); + ret = -EINVAL; + goto out; + } + + if (le16_to_cpu(bb_tbl->verid) != 1) { + ret = -EINVAL; + dev_err(dev->dev, "bbt version not supported\n"); + goto out; + } + + if (le32_to_cpu(bb_tbl->tblks) != nr_blocks) { + ret = -EINVAL; + dev_err(dev->dev, "bbt unsuspected blocks returned (%u!=%u)", + le32_to_cpu(bb_tbl->tblks), nr_blocks); + goto out; + } + + ppa = dev_to_generic_addr(nvmdev, ppa); + ret = update_bbtbl(ppa, nr_blocks, bb_tbl->blk, priv); if (ret) { ret = -EINTR; goto out; } out: - kfree(bb_bitmap); + kfree(bb_tbl); + return ret; +} + +static int nvme_nvm_set_bb_tbl(struct request_queue *q, struct nvm_rq *rqd, + int type) +{ + struct nvme_ns *ns = q->queuedata; + struct nvme_dev *dev = ns->dev; + struct nvme_nvm_command c = {}; + int ret = 0; + + c.set_bb.opcode = nvme_nvm_admin_set_bb_tbl; + c.set_bb.nsid = cpu_to_le32(ns->ns_id); + c.set_bb.spba = cpu_to_le64(rqd->ppa_addr.ppa); + c.set_bb.nlb = cpu_to_le16(rqd->nr_pages - 1); + c.set_bb.value = type; + + ret = nvme_submit_sync_cmd(dev->admin_q, (struct nvme_command *)&c, + NULL, 0); + if (ret) + dev_err(dev->dev, "set bad block table failed (%d)\n", ret); return ret; } @@ -474,6 +548,7 @@ static struct nvm_dev_ops nvme_nvm_dev_ops = { .get_l2p_tbl = nvme_nvm_get_l2p_tbl, .get_bb_tbl = nvme_nvm_get_bb_tbl, + .set_bb_tbl = nvme_nvm_set_bb_tbl, .submit_io = nvme_nvm_submit_io, .erase_block = nvme_nvm_erase_block, @@ -496,31 +571,27 @@ void nvme_nvm_unregister(struct request_queue *q, char *disk_name) nvm_unregister(disk_name); } +/* move to shared place when used in multiple places. */ +#define PCI_VENDOR_ID_CNEX 0x1d1d +#define PCI_DEVICE_ID_CNEX_WL 0x2807 +#define PCI_DEVICE_ID_CNEX_QEMU 0x1f1f + int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id) { struct nvme_dev *dev = ns->dev; struct pci_dev *pdev = to_pci_dev(dev->dev); /* QEMU NVMe simulator - PCI ID + Vendor specific bit */ - if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == 0x5845 && + if (pdev->vendor == PCI_VENDOR_ID_CNEX && + pdev->device == PCI_DEVICE_ID_CNEX_QEMU && id->vs[0] == 0x1) return 1; /* CNEX Labs - PCI ID + Vendor specific bit */ - if (pdev->vendor == 0x1d1d && pdev->device == 0x2807 && + if (pdev->vendor == PCI_VENDOR_ID_CNEX && + pdev->device == PCI_DEVICE_ID_CNEX_WL && id->vs[0] == 0x1) return 1; return 0; } -#else -int nvme_nvm_register(struct request_queue *q, char *disk_name) -{ - return 0; -} -void nvme_nvm_unregister(struct request_queue *q, char *disk_name) {}; -int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id) -{ - return 0; -} -#endif /* CONFIG_NVM */ diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index fdb4e5bad9ac..044253dca30a 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -136,8 +136,22 @@ int nvme_sg_io(struct nvme_ns *ns, struct sg_io_hdr __user *u_hdr); int nvme_sg_io32(struct nvme_ns *ns, unsigned long arg); int nvme_sg_get_version_num(int __user *ip); +#ifdef CONFIG_NVM int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id); int nvme_nvm_register(struct request_queue *q, char *disk_name); void nvme_nvm_unregister(struct request_queue *q, char *disk_name); +#else +static inline int nvme_nvm_register(struct request_queue *q, char *disk_name) +{ + return 0; +} + +static inline void nvme_nvm_unregister(struct request_queue *q, char *disk_name) {}; + +static inline int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id) +{ + return 0; +} +#endif /* CONFIG_NVM */ #endif /* _NVME_H */ diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8187df204695..9e294ff4e652 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -896,19 +896,28 @@ static int nvme_queue_rq(struct blk_mq_hw_ctx *hctx, goto retry_cmd; } if (blk_integrity_rq(req)) { - if (blk_rq_count_integrity_sg(req->q, req->bio) != 1) + if (blk_rq_count_integrity_sg(req->q, req->bio) != 1) { + dma_unmap_sg(dev->dev, iod->sg, iod->nents, + dma_dir); goto error_cmd; + } sg_init_table(iod->meta_sg, 1); if (blk_rq_map_integrity_sg( - req->q, req->bio, iod->meta_sg) != 1) + req->q, req->bio, iod->meta_sg) != 1) { + dma_unmap_sg(dev->dev, iod->sg, iod->nents, + dma_dir); goto error_cmd; + } if (rq_data_dir(req)) nvme_dif_remap(req, nvme_dif_prep); - if (!dma_map_sg(nvmeq->q_dmadev, iod->meta_sg, 1, dma_dir)) + if (!dma_map_sg(nvmeq->q_dmadev, iod->meta_sg, 1, dma_dir)) { + dma_unmap_sg(dev->dev, iod->sg, iod->nents, + dma_dir); goto error_cmd; + } } } @@ -968,7 +977,8 @@ static void __nvme_process_cq(struct nvme_queue *nvmeq, unsigned int *tag) if (head == nvmeq->cq_head && phase == nvmeq->cq_phase) return; - writel(head, nvmeq->q_db + nvmeq->dev->db_stride); + if (likely(nvmeq->cq_vector >= 0)) + writel(head, nvmeq->q_db + nvmeq->dev->db_stride); nvmeq->cq_head = head; nvmeq->cq_phase = phase; @@ -1727,9 +1737,13 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev) u32 aqa; u64 cap = lo_hi_readq(&dev->bar->cap); struct nvme_queue *nvmeq; - unsigned page_shift = PAGE_SHIFT; + /* + * default to a 4K page size, with the intention to update this + * path in the future to accomodate architectures with differing + * kernel and IO page sizes. + */ + unsigned page_shift = 12; unsigned dev_page_min = NVME_CAP_MPSMIN(cap) + 12; - unsigned dev_page_max = NVME_CAP_MPSMAX(cap) + 12; if (page_shift < dev_page_min) { dev_err(dev->dev, @@ -1738,13 +1752,6 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev) 1 << page_shift); return -ENODEV; } - if (page_shift > dev_page_max) { - dev_info(dev->dev, - "Device maximum page size (%u) smaller than " - "host (%u); enabling work-around\n", - 1 << dev_page_max, 1 << page_shift); - page_shift = dev_page_max; - } dev->subsystem = readl(&dev->bar->vs) >= NVME_VS(1, 1) ? NVME_CAP_NSSRC(cap) : 0; @@ -2268,7 +2275,7 @@ static void nvme_alloc_ns(struct nvme_dev *dev, unsigned nsid) if (dev->max_hw_sectors) { blk_queue_max_hw_sectors(ns->queue, dev->max_hw_sectors); blk_queue_max_segments(ns->queue, - ((dev->max_hw_sectors << 9) / dev->page_size) + 1); + (dev->max_hw_sectors / (dev->page_size >> 9)) + 1); } if (dev->stripe_size) blk_queue_chunk_sectors(ns->queue, dev->stripe_size >> 9); @@ -2701,6 +2708,18 @@ static int nvme_dev_map(struct nvme_dev *dev) dev->q_depth = min_t(int, NVME_CAP_MQES(cap) + 1, NVME_Q_DEPTH); dev->db_stride = 1 << NVME_CAP_STRIDE(cap); dev->dbs = ((void __iomem *)dev->bar) + 4096; + + /* + * Temporary fix for the Apple controller found in the MacBook8,1 and + * some MacBook7,1 to avoid controller resets and data loss. + */ + if (pdev->vendor == PCI_VENDOR_ID_APPLE && pdev->device == 0x2001) { + dev->q_depth = 2; + dev_warn(dev->dev, "detected Apple NVMe controller, set " + "queue depth=%u to work around controller resets\n", + dev->q_depth); + } + if (readl(&dev->bar->vs) >= NVME_VS(1, 2)) dev->cmb = nvme_map_cmb(dev); @@ -2787,6 +2806,10 @@ static void nvme_del_queue_end(struct nvme_queue *nvmeq) { struct nvme_delq_ctx *dq = nvmeq->cmdinfo.ctx; nvme_put_dq(dq); + + spin_lock_irq(&nvmeq->q_lock); + nvme_process_cq(nvmeq); + spin_unlock_irq(&nvmeq->q_lock); } static int adapter_async_del_queue(struct nvme_queue *nvmeq, u8 opcode, diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 540f077c37ea..02a7452bdf23 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -440,7 +440,6 @@ int dw_pcie_host_init(struct pcie_port *pp) ret, pp->io); continue; } - pp->io_base = pp->io->start; break; case IORESOURCE_MEM: pp->mem = win->res; diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/host/pcie-hisi.c index 35457ecd8e70..163671a4f798 100644 --- a/drivers/pci/host/pcie-hisi.c +++ b/drivers/pci/host/pcie-hisi.c @@ -111,7 +111,7 @@ static struct pcie_host_ops hisi_pcie_host_ops = { .link_up = hisi_pcie_link_up, }; -static int __init hisi_add_pcie_port(struct pcie_port *pp, +static int hisi_add_pcie_port(struct pcie_port *pp, struct platform_device *pdev) { int ret; @@ -139,7 +139,7 @@ static int __init hisi_add_pcie_port(struct pcie_port *pp, return 0; } -static int __init hisi_pcie_probe(struct platform_device *pdev) +static int hisi_pcie_probe(struct platform_device *pdev) { struct hisi_pcie *hisi_pcie; struct pcie_port *pp; diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 4446fcb5effd..d7ffd66814bb 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -1146,9 +1146,21 @@ static int pci_pm_runtime_suspend(struct device *dev) pci_dev->state_saved = false; pci_dev->no_d3cold = false; error = pm->runtime_suspend(dev); - suspend_report_result(pm->runtime_suspend, error); - if (error) + if (error) { + /* + * -EBUSY and -EAGAIN is used to request the runtime PM core + * to schedule a new suspend, so log the event only with debug + * log level. + */ + if (error == -EBUSY || error == -EAGAIN) + dev_dbg(dev, "can't suspend now (%pf returned %d)\n", + pm->runtime_suspend, error); + else + dev_err(dev, "can't suspend (%pf returned %d)\n", + pm->runtime_suspend, error); + return error; + } if (!pci_dev->d3cold_allowed) pci_dev->no_d3cold = true; diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 92618686604c..eead54cd01b2 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -216,7 +216,10 @@ static ssize_t numa_node_store(struct device *dev, if (ret) return ret; - if (node >= MAX_NUMNODES || !node_online(node)) + if ((node < 0 && node != NUMA_NO_NODE) || node >= MAX_NUMNODES) + return -EINVAL; + + if (node != NUMA_NO_NODE && !node_online(node)) return -EINVAL; add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index fd2f03fa53f3..d390fc1475ec 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -337,6 +337,4 @@ static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe) } #endif -struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus); - #endif /* DRIVERS_PCI_H */ diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index e735c728e3b3..edb1984201e9 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1685,8 +1685,8 @@ static void pci_dma_configure(struct pci_dev *dev) { struct device *bridge = pci_get_host_bridge_device(dev); - if (IS_ENABLED(CONFIG_OF) && dev->dev.of_node) { - if (bridge->parent) + if (IS_ENABLED(CONFIG_OF) && + bridge->parent && bridge->parent->of_node) { of_dma_configure(&dev->dev, bridge->parent->of_node); } else if (has_acpi_companion(bridge)) { struct acpi_device *adev = to_acpi_device_node(bridge->fwnode); diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index b422e4ed73f4..312c78b27a32 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -5,8 +5,6 @@ config PINCTRL bool -if PINCTRL - menu "Pin controllers" depends on PINCTRL @@ -274,5 +272,3 @@ config PINCTRL_TB10X select GPIOLIB endmenu - -endif diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c index 88a7fac11bd4..acaf84cadca3 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c +++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c @@ -538,8 +538,10 @@ static int imx1_pinctrl_parse_functions(struct device_node *np, func->groups[i] = child->name; grp = &info->groups[grp_index++]; ret = imx1_pinctrl_parse_groups(child, grp, info, i++); - if (ret == -ENOMEM) + if (ret == -ENOMEM) { + of_node_put(child); return ret; + } } return 0; @@ -582,8 +584,10 @@ static int imx1_pinctrl_parse_dt(struct platform_device *pdev, for_each_child_of_node(np, child) { ret = imx1_pinctrl_parse_functions(child, info, ifunc++); - if (ret == -ENOMEM) + if (ret == -ENOMEM) { + of_node_put(child); return -ENOMEM; + } } return 0; diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index f307f1d27d64..5c717275a7fa 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -747,7 +747,7 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned offset) reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dir_offset; bit = BIT(offset & 0xf); regmap_read(pctl->regmap1, reg_addr, &read_val); - return !!(read_val & bit); + return !(read_val & bit); } static int mtk_gpio_get(struct gpio_chip *chip, unsigned offset) @@ -757,12 +757,8 @@ static int mtk_gpio_get(struct gpio_chip *chip, unsigned offset) unsigned int read_val = 0; struct mtk_pinctrl *pctl = dev_get_drvdata(chip->dev); - if (mtk_gpio_get_direction(chip, offset)) - reg_addr = mtk_get_port(pctl, offset) + - pctl->devdata->dout_offset; - else - reg_addr = mtk_get_port(pctl, offset) + - pctl->devdata->din_offset; + reg_addr = mtk_get_port(pctl, offset) + + pctl->devdata->din_offset; bit = BIT(offset & 0xf); regmap_read(pctl->regmap1, reg_addr, &read_val); @@ -997,6 +993,7 @@ static struct gpio_chip mtk_gpio_chip = { .owner = THIS_MODULE, .request = gpiochip_generic_request, .free = gpiochip_generic_free, + .get_direction = mtk_gpio_get_direction, .direction_input = mtk_gpio_direction_input, .direction_output = mtk_gpio_direction_output, .get = mtk_gpio_get, diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c index d809c9eaa323..19a3c3bc2f1f 100644 --- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c +++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c @@ -672,7 +672,7 @@ static int pm8xxx_gpio_probe(struct platform_device *pdev) return -ENOMEM; pctrl->dev = &pdev->dev; - pctrl->npins = (unsigned)of_device_get_match_data(&pdev->dev); + pctrl->npins = (unsigned long)of_device_get_match_data(&pdev->dev); pctrl->regmap = dev_get_regmap(pdev->dev.parent, NULL); if (!pctrl->regmap) { diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c index 8982027de8e8..b868ef1766a0 100644 --- a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c +++ b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c @@ -763,7 +763,7 @@ static int pm8xxx_mpp_probe(struct platform_device *pdev) return -ENOMEM; pctrl->dev = &pdev->dev; - pctrl->npins = (unsigned)of_device_get_match_data(&pdev->dev); + pctrl->npins = (unsigned long)of_device_get_match_data(&pdev->dev); pctrl->regmap = dev_get_regmap(pdev->dev.parent, NULL); if (!pctrl->regmap) { diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7734.c b/drivers/pinctrl/sh-pfc/pfc-sh7734.c index e7deb51de7dc..9842bb106796 100644 --- a/drivers/pinctrl/sh-pfc/pfc-sh7734.c +++ b/drivers/pinctrl/sh-pfc/pfc-sh7734.c @@ -31,11 +31,11 @@ PORT_GP_12(5, fn, sfx) #undef _GP_DATA -#define _GP_DATA(bank, pin, name, sfx) \ +#define _GP_DATA(bank, pin, name, sfx, cfg) \ PINMUX_DATA(name##_DATA, name##_FN, name##_IN, name##_OUT) -#define _GP_INOUTSEL(bank, pin, name, sfx) name##_IN, name##_OUT -#define _GP_INDT(bank, pin, name, sfx) name##_DATA +#define _GP_INOUTSEL(bank, pin, name, sfx, cfg) name##_IN, name##_OUT +#define _GP_INDT(bank, pin, name, sfx, cfg) name##_DATA #define GP_INOUTSEL(bank) PORT_GP_32_REV(bank, _GP_INOUTSEL, unused) #define GP_INDT(bank) PORT_GP_32_REV(bank, _GP_INDT, unused) diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 8b3130f22b42..9e03d158f411 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -1478,6 +1478,8 @@ module_init(remoteproc_init); static void __exit remoteproc_exit(void) { + ida_destroy(&rproc_dev_index); + rproc_exit_debugfs(); } module_exit(remoteproc_exit); diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index 9d30809bb407..916af5096f57 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -156,7 +156,7 @@ rproc_recovery_write(struct file *filp, const char __user *user_buf, char buf[10]; int ret; - if (count > sizeof(buf)) + if (count < 1 || count > sizeof(buf)) return count; ret = copy_from_user(buf, user_buf, count); diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 188006c55ce0..aa705bb4748c 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -15,9 +15,6 @@ #include <linux/i2c.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> -#include <linux/pm_wakeirq.h> #include <linux/rtc/ds1307.h> #include <linux/rtc.h> #include <linux/slab.h> @@ -117,7 +114,6 @@ struct ds1307 { #define HAS_ALARM 1 /* bit 1 == irq claimed */ struct i2c_client *client; struct rtc_device *rtc; - int wakeirq; s32 (*read_block_data)(const struct i2c_client *client, u8 command, u8 length, u8 *values); s32 (*write_block_data)(const struct i2c_client *client, u8 command, @@ -1138,7 +1134,10 @@ read_rtc: bin2bcd(tmp)); } - device_set_wakeup_capable(&client->dev, want_irq); + if (want_irq) { + device_set_wakeup_capable(&client->dev, true); + set_bit(HAS_ALARM, &ds1307->flags); + } ds1307->rtc = devm_rtc_device_register(&client->dev, client->name, rtc_ops, THIS_MODULE); if (IS_ERR(ds1307->rtc)) { @@ -1146,43 +1145,19 @@ read_rtc: } if (want_irq) { - struct device_node *node = client->dev.of_node; - err = devm_request_threaded_irq(&client->dev, client->irq, NULL, irq_handler, IRQF_SHARED | IRQF_ONESHOT, ds1307->rtc->name, client); if (err) { client->irq = 0; + device_set_wakeup_capable(&client->dev, false); + clear_bit(HAS_ALARM, &ds1307->flags); dev_err(&client->dev, "unable to request IRQ!\n"); - goto no_irq; - } - - set_bit(HAS_ALARM, &ds1307->flags); - dev_dbg(&client->dev, "got IRQ %d\n", client->irq); - - /* Currently supported by OF code only! */ - if (!node) - goto no_irq; - - err = of_irq_get(node, 1); - if (err <= 0) { - if (err == -EPROBE_DEFER) - goto exit; - goto no_irq; - } - ds1307->wakeirq = err; - - err = dev_pm_set_dedicated_wake_irq(&client->dev, - ds1307->wakeirq); - if (err) { - dev_err(&client->dev, "unable to setup wakeIRQ %d!\n", - err); - goto exit; - } + } else + dev_dbg(&client->dev, "got IRQ %d\n", client->irq); } -no_irq: if (chip->nvram_size) { ds1307->nvram = devm_kzalloc(&client->dev, @@ -1226,9 +1201,6 @@ static int ds1307_remove(struct i2c_client *client) { struct ds1307 *ds1307 = i2c_get_clientdata(client); - if (ds1307->wakeirq) - dev_pm_clear_wake_irq(&client->dev); - if (test_and_clear_bit(HAS_NVRAM, &ds1307->flags)) sysfs_remove_bin_file(&client->dev.kobj, ds1307->nvram); diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 548a18916a31..a831d18596a5 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -1080,28 +1080,10 @@ void __init chsc_init_cleanup(void) free_page((unsigned long)sei_page); } -int chsc_enable_facility(int operation_code) +int __chsc_enable_facility(struct chsc_sda_area *sda_area, int operation_code) { - unsigned long flags; int ret; - struct { - struct chsc_header request; - u8 reserved1:4; - u8 format:4; - u8 reserved2; - u16 operation_code; - u32 reserved3; - u32 reserved4; - u32 operation_data_area[252]; - struct chsc_header response; - u32 reserved5:4; - u32 format2:4; - u32 reserved6:24; - } __attribute__ ((packed)) *sda_area; - spin_lock_irqsave(&chsc_page_lock, flags); - memset(chsc_page, 0, PAGE_SIZE); - sda_area = chsc_page; sda_area->request.length = 0x0400; sda_area->request.code = 0x0031; sda_area->operation_code = operation_code; @@ -1119,10 +1101,25 @@ int chsc_enable_facility(int operation_code) default: ret = chsc_error_from_response(sda_area->response.code); } +out: + return ret; +} + +int chsc_enable_facility(int operation_code) +{ + struct chsc_sda_area *sda_area; + unsigned long flags; + int ret; + + spin_lock_irqsave(&chsc_page_lock, flags); + memset(chsc_page, 0, PAGE_SIZE); + sda_area = chsc_page; + + ret = __chsc_enable_facility(sda_area, operation_code); if (ret != 0) CIO_CRW_EVENT(2, "chsc: sda (oc=%x) failed (rc=%04x)\n", operation_code, sda_area->response.code); -out: + spin_unlock_irqrestore(&chsc_page_lock, flags); return ret; } diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 76c9b50700b2..0de134c3a204 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -115,6 +115,20 @@ struct chsc_scpd { u8 data[PAGE_SIZE - 20]; } __attribute__ ((packed)); +struct chsc_sda_area { + struct chsc_header request; + u8 :4; + u8 format:4; + u8 :8; + u16 operation_code; + u32 :32; + u32 :32; + u32 operation_data_area[252]; + struct chsc_header response; + u32 :4; + u32 format2:4; + u32 :24; +} __packed __aligned(PAGE_SIZE); extern int chsc_get_ssd_info(struct subchannel_id schid, struct chsc_ssd_info *ssd); @@ -122,6 +136,7 @@ extern int chsc_determine_css_characteristics(void); extern int chsc_init(void); extern void chsc_init_cleanup(void); +int __chsc_enable_facility(struct chsc_sda_area *sda_area, int operation_code); extern int chsc_enable_facility(int); struct channel_subsystem; extern int chsc_secm(struct channel_subsystem *, int); diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index b5620e818d6b..690b8547e828 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -925,18 +925,32 @@ void reipl_ccw_dev(struct ccw_dev_id *devid) int __init cio_get_iplinfo(struct cio_iplinfo *iplinfo) { + static struct chsc_sda_area sda_area __initdata; struct subchannel_id schid; struct schib schib; schid = *(struct subchannel_id *)&S390_lowcore.subchannel_id; if (!schid.one) return -ENODEV; + + if (schid.ssid) { + /* + * Firmware should have already enabled MSS but whoever started + * the kernel might have initiated a channel subsystem reset. + * Ensure that MSS is enabled. + */ + memset(&sda_area, 0, sizeof(sda_area)); + if (__chsc_enable_facility(&sda_area, CHSC_SDA_OC_MSS)) + return -ENODEV; + } if (stsch_err(schid, &schib)) return -ENODEV; if (schib.pmcw.st != SUBCHANNEL_TYPE_IO) return -ENODEV; if (!schib.pmcw.dnv) return -ENODEV; + + iplinfo->ssid = schid.ssid; iplinfo->devno = schib.pmcw.dev; iplinfo->is_qdio = schib.pmcw.qf; return 0; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 2ee3053bdc12..489e703dc82d 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -702,17 +702,12 @@ css_generate_pgid(struct channel_subsystem *css, u32 tod_high) css->global_pgid.pgid_high.ext_cssid.version = 0x80; css->global_pgid.pgid_high.ext_cssid.cssid = css->cssid; } else { -#ifdef CONFIG_SMP css->global_pgid.pgid_high.cpu_addr = stap(); -#else - css->global_pgid.pgid_high.cpu_addr = 0; -#endif } get_cpu_id(&cpu_id); css->global_pgid.cpu_id = cpu_id.ident; css->global_pgid.cpu_model = cpu_id.machine; css->global_pgid.tod_high = tod_high; - } static void diff --git a/drivers/s390/crypto/Makefile b/drivers/s390/crypto/Makefile index 57f710b3c8a4..b8ab18676e69 100644 --- a/drivers/s390/crypto/Makefile +++ b/drivers/s390/crypto/Makefile @@ -3,6 +3,9 @@ # ap-objs := ap_bus.o -obj-$(CONFIG_ZCRYPT) += ap.o zcrypt_api.o zcrypt_pcixcc.o -obj-$(CONFIG_ZCRYPT) += zcrypt_cex2a.o zcrypt_cex4.o +# zcrypt_api depends on ap +obj-$(CONFIG_ZCRYPT) += ap.o zcrypt_api.o +# msgtype* depend on zcrypt_api obj-$(CONFIG_ZCRYPT) += zcrypt_msgtype6.o zcrypt_msgtype50.o +# adapter drivers depend on ap, zcrypt_api and msgtype* +obj-$(CONFIG_ZCRYPT) += zcrypt_pcixcc.o zcrypt_cex2a.o zcrypt_cex4.o diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 9cb3dfbcaddb..61f768518a34 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -74,6 +74,7 @@ static struct device *ap_root_device = NULL; static struct ap_config_info *ap_configuration; static DEFINE_SPINLOCK(ap_device_list_lock); static LIST_HEAD(ap_device_list); +static bool initialised; /* * Workqueue timer for bus rescan. @@ -1384,6 +1385,9 @@ int ap_driver_register(struct ap_driver *ap_drv, struct module *owner, { struct device_driver *drv = &ap_drv->driver; + if (!initialised) + return -ENODEV; + drv->bus = &ap_bus_type; drv->probe = ap_device_probe; drv->remove = ap_device_remove; @@ -1808,6 +1812,7 @@ int __init ap_module_init(void) goto out_pm; queue_work(system_long_wq, &ap_scan_work); + initialised = true; return 0; @@ -1837,6 +1842,7 @@ void ap_module_exit(void) { int i; + initialised = false; ap_reset_domain(); ap_poll_thread_stop(); del_timer_sync(&ap_config_timer); diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index a9603ebbc1f8..9f8fa42c062c 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -317,11 +317,9 @@ EXPORT_SYMBOL(zcrypt_device_unregister); void zcrypt_msgtype_register(struct zcrypt_ops *zops) { - if (zops->owner) { - spin_lock_bh(&zcrypt_ops_list_lock); - list_add_tail(&zops->list, &zcrypt_ops_list); - spin_unlock_bh(&zcrypt_ops_list_lock); - } + spin_lock_bh(&zcrypt_ops_list_lock); + list_add_tail(&zops->list, &zcrypt_ops_list); + spin_unlock_bh(&zcrypt_ops_list_lock); } EXPORT_SYMBOL(zcrypt_msgtype_register); @@ -342,7 +340,7 @@ struct zcrypt_ops *__ops_lookup(unsigned char *name, int variant) spin_lock_bh(&zcrypt_ops_list_lock); list_for_each_entry(zops, &zcrypt_ops_list, list) { if ((zops->variant == variant) && - (!strncmp(zops->owner->name, name, MODULE_NAME_LEN))) { + (!strncmp(zops->name, name, sizeof(zops->name)))) { found = 1; break; } diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h index 750876891931..38618f05ad92 100644 --- a/drivers/s390/crypto/zcrypt_api.h +++ b/drivers/s390/crypto/zcrypt_api.h @@ -96,6 +96,7 @@ struct zcrypt_ops { struct list_head list; /* zcrypt ops list. */ struct module *owner; int variant; + char name[128]; }; struct zcrypt_device { diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c index 71ceee9137a8..74edf2934e7c 100644 --- a/drivers/s390/crypto/zcrypt_msgtype50.c +++ b/drivers/s390/crypto/zcrypt_msgtype50.c @@ -513,6 +513,7 @@ static struct zcrypt_ops zcrypt_msgtype50_ops = { .rsa_modexpo = zcrypt_cex2a_modexpo, .rsa_modexpo_crt = zcrypt_cex2a_modexpo_crt, .owner = THIS_MODULE, + .name = MSGTYPE50_NAME, .variant = MSGTYPE50_VARIANT_DEFAULT, }; diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c index 74762214193b..9a2dd472c1cc 100644 --- a/drivers/s390/crypto/zcrypt_msgtype6.c +++ b/drivers/s390/crypto/zcrypt_msgtype6.c @@ -1119,6 +1119,7 @@ static long zcrypt_msgtype6_rng(struct zcrypt_device *zdev, */ static struct zcrypt_ops zcrypt_msgtype6_norng_ops = { .owner = THIS_MODULE, + .name = MSGTYPE06_NAME, .variant = MSGTYPE06_VARIANT_NORNG, .rsa_modexpo = zcrypt_msgtype6_modexpo, .rsa_modexpo_crt = zcrypt_msgtype6_modexpo_crt, @@ -1127,6 +1128,7 @@ static struct zcrypt_ops zcrypt_msgtype6_norng_ops = { static struct zcrypt_ops zcrypt_msgtype6_ops = { .owner = THIS_MODULE, + .name = MSGTYPE06_NAME, .variant = MSGTYPE06_VARIANT_DEFAULT, .rsa_modexpo = zcrypt_msgtype6_modexpo, .rsa_modexpo_crt = zcrypt_msgtype6_modexpo_crt, @@ -1136,6 +1138,7 @@ static struct zcrypt_ops zcrypt_msgtype6_ops = { static struct zcrypt_ops zcrypt_msgtype6_ep11_ops = { .owner = THIS_MODULE, + .name = MSGTYPE06_NAME, .variant = MSGTYPE06_VARIANT_EP11, .rsa_modexpo = NULL, .rsa_modexpo_crt = NULL, diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 37dce2380a52..c1fe0d2f90ca 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -194,6 +194,7 @@ config CHR_DEV_SCH config SCSI_ENCLOSURE tristate "SCSI Enclosure Support" depends on SCSI && ENCLOSURE_SERVICES + depends on m || SCSI_SAS_ATTRS != m help Enclosures are devices sitting on or in SCSI backplanes that manage devices. If you have a disk cage, the chances are that @@ -364,6 +365,7 @@ config SCSI_HPSA tristate "HP Smart Array SCSI driver" depends on PCI && SCSI select CHECK_SIGNATURE + select SCSI_SAS_ATTRS help This driver supports HP Smart Array Controllers (circa 2009). It is a SCSI alternative to the cciss driver, which is a block @@ -500,6 +502,7 @@ config SCSI_ADVANSYS tristate "AdvanSys SCSI support" depends on SCSI depends on ISA || EISA || PCI + depends on ISA_DMA_API || !ISA help This is a driver for all SCSI host adapters manufactured by AdvanSys. It is documented in the kernel source in diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 519f9a4b3dad..febbd83e2ecd 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -7803,7 +7803,7 @@ adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, return ASC_BUSY; } scsiqp->sense_addr = cpu_to_le32(sense_addr); - scsiqp->sense_len = cpu_to_le32(SCSI_SENSE_BUFFERSIZE); + scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE; /* Build ADV_SCSI_REQ_Q */ diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 323982fd00c3..82ac1cd818ac 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -333,6 +333,17 @@ static void scsi_host_dev_release(struct device *dev) kfree(queuedata); } + if (shost->shost_state == SHOST_CREATED) { + /* + * Free the shost_dev device name here if scsi_host_alloc() + * and scsi_host_put() have been called but neither + * scsi_host_add() nor scsi_host_remove() has been called. + * This avoids that the memory allocated for the shost_dev + * name is leaked. + */ + kfree(dev_name(&shost->shost_dev)); + } + scsi_destroy_command_freelist(shost); if (shost_use_blk_mq(shost)) { if (shost->tag_set.tags) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 17a39761b05d..38ce0e308fbe 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -8764,7 +8764,7 @@ static void hpsa_disable_rld_caching(struct ctlr_info *h) if ((rc != 0) || (c->err_info->CommandStatus != 0)) goto errout; - if (*options && HPSA_DIAG_OPTS_DISABLE_RLD_CACHING) + if (*options & HPSA_DIAG_OPTS_DISABLE_RLD_CACHING) goto out; errout: diff --git a/drivers/scsi/mpt3sas/Kconfig b/drivers/scsi/mpt3sas/Kconfig index 29061467cc17..b736dbc80485 100644 --- a/drivers/scsi/mpt3sas/Kconfig +++ b/drivers/scsi/mpt3sas/Kconfig @@ -71,3 +71,12 @@ config SCSI_MPT3SAS_MAX_SGE MAX_PHYS_SEGMENTS in most kernels. However in SuSE kernels this can be 256. However, it may decreased down to 16. Decreasing this parameter will reduce memory requirements on a per controller instance. + +config SCSI_MPT2SAS + tristate "Legacy MPT2SAS config option" + default n + select SCSI_MPT3SAS + depends on PCI && SCSI + ---help--- + Dummy config option for backwards compatiblity: configure the MPT3SAS + driver instead. diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index d95206b7e116..9ab77b06434d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -3905,8 +3905,7 @@ scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) * We do not expose raid functionality to upper layer for warpdrive. */ if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev) - && (sas_device_priv_data->flags & MPT_DEVICE_TLR_ON) && - scmd->cmd_len != 32) + && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 6110ef3bfa92..c7c250519c4b 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -760,7 +760,7 @@ mvs_store_interrupt_coalescing(struct device *cdev, struct device_attribute *attr, const char *buffer, size_t size) { - int val = 0; + unsigned int val = 0; struct mvs_info *mvi = NULL; struct Scsi_Host *shost = class_to_shost(cdev); struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); @@ -768,7 +768,7 @@ mvs_store_interrupt_coalescing(struct device *cdev, if (buffer == NULL) return size; - if (sscanf(buffer, "%d", &val) != 1) + if (sscanf(buffer, "%u", &val) != 1) return -EINVAL; if (val >= 0x10000) { diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index eb0cc5475c45..b6b4cfdd7620 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -433,7 +433,7 @@ qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong off_in, if (off_in < QLA82XX_PCI_CRBSPACE) return -1; - *off_out = (void __iomem *)(off_in - QLA82XX_PCI_CRBSPACE); + off_in -= QLA82XX_PCI_CRBSPACE; /* Try direct map */ m = &crb_128M_2M_map[CRB_BLK(off_in)].sub_block[CRB_SUBBLK(off_in)]; @@ -443,6 +443,7 @@ qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong off_in, return 0; } /* Not in direct map, use crb window */ + *off_out = (void __iomem *)off_in; return 1; } diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 3ba2e9564b9a..81af294f15a7 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -902,7 +902,7 @@ static ssize_t tcm_qla2xxx_tpg_fabric_prot_type_show(struct config_item *item, return sprintf(page, "%d\n", tpg->tpg_attrib.fabric_prot_type); } -CONFIGFS_ATTR_WO(tcm_qla2xxx_tpg_, enable); +CONFIGFS_ATTR(tcm_qla2xxx_tpg_, enable); CONFIGFS_ATTR_RO(tcm_qla2xxx_tpg_, dynamic_sessions); CONFIGFS_ATTR(tcm_qla2xxx_tpg_, fabric_prot_type); diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 237b691c8e0a..f3d69a98c725 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -465,8 +465,9 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = { 0} }, {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, /* MAINT OUT */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, - {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, /* VERIFY */ - {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, + {0, 0x2f, 0, F_D_OUT_MAYBE | FF_DIRECT_IO, NULL, NULL, /* VERIFY(10) */ + {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc7, + 0, 0, 0, 0, 0, 0} }, {1, 0x7f, 0x9, F_SA_HIGH | F_D_IN | FF_DIRECT_IO, resp_read_dt0, vl_iarr, {32, 0xc7, 0, 0, 0, 0, 0x1f, 0x18, 0x0, 0x9, 0xfe, 0, 0xff, 0xff, 0xff, 0xff} },/* VARIABLE LENGTH, READ(32) */ @@ -477,8 +478,8 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = { {10, 0x13, 0xff, 0xff, 0, 0, 0, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, /* 20 */ - {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, /* ALLOW REMOVAL */ - {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, + {0, 0x1e, 0, 0, NULL, NULL, /* ALLOW REMOVAL */ + {6, 0, 0, 0, 0x3, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, {0, 0x1, 0, 0, resp_start_stop, NULL, /* REWIND ?? */ {6, 0x1, 0, 0, 0, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, {0, 0, 0, F_INV_OP | FF_RESPOND, NULL, NULL, /* ATA_PT */ diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index e4b799837948..459abe1dcc87 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -219,13 +219,13 @@ static int sdev_runtime_suspend(struct device *dev) struct scsi_device *sdev = to_scsi_device(dev); int err = 0; - if (pm && pm->runtime_suspend) { - err = blk_pre_runtime_suspend(sdev->request_queue); - if (err) - return err; + err = blk_pre_runtime_suspend(sdev->request_queue); + if (err) + return err; + if (pm && pm->runtime_suspend) err = pm->runtime_suspend(dev); - blk_post_runtime_suspend(sdev->request_queue, err); - } + blk_post_runtime_suspend(sdev->request_queue, err); + return err; } @@ -248,11 +248,11 @@ static int sdev_runtime_resume(struct device *dev) const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int err = 0; - if (pm && pm->runtime_resume) { - blk_pre_runtime_resume(sdev->request_queue); + blk_pre_runtime_resume(sdev->request_queue); + if (pm && pm->runtime_resume) err = pm->runtime_resume(dev); - blk_post_runtime_resume(sdev->request_queue, err); - } + blk_post_runtime_resume(sdev->request_queue, err); + return err; } diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index a1c195d71fd1..6a820668d442 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -702,9 +702,12 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, * strings. */ if (sdev->inquiry_len < 36) { - sdev_printk(KERN_INFO, sdev, - "scsi scan: INQUIRY result too short (%d)," - " using 36\n", sdev->inquiry_len); + if (!sdev->host->short_inquiry) { + shost_printk(KERN_INFO, sdev->host, + "scsi scan: INQUIRY result too short (%d)," + " using 36\n", sdev->inquiry_len); + sdev->host->short_inquiry = 1; + } sdev->inquiry_len = 36; } diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index ef360533790d..4f18a851e2c7 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -1182,6 +1182,14 @@ void __scsi_remove_device(struct scsi_device *sdev) { struct device *dev = &sdev->sdev_gendev; + /* + * This cleanup path is not reentrant and while it is impossible + * to get a new reference with scsi_device_get() someone can still + * hold a previously acquired one. + */ + if (sdev->sdev_state == SDEV_DEL) + return; + if (sdev->is_visible) { if (scsi_device_set_state(sdev, SDEV_CANCEL) != 0) return; @@ -1190,7 +1198,9 @@ void __scsi_remove_device(struct scsi_device *sdev) device_unregister(&sdev->sdev_dev); transport_remove_device(dev); scsi_dh_remove_device(sdev); - } + device_del(dev); + } else + put_device(&sdev->sdev_dev); /* * Stop accepting new requests and wait until all queuecommand() and @@ -1201,16 +1211,6 @@ void __scsi_remove_device(struct scsi_device *sdev) blk_cleanup_queue(sdev->request_queue); cancel_work_sync(&sdev->requeue_work); - /* - * Remove the device after blk_cleanup_queue() has been called such - * a possible bdi_register() call with the same name occurs after - * blk_cleanup_queue() has called bdi_destroy(). - */ - if (sdev->is_visible) - device_del(dev); - else - put_device(&sdev->sdev_dev); - if (sdev->host->hostt->slave_destroy) sdev->host->hostt->slave_destroy(sdev); transport_destroy_device(dev); diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 30d26e345dcc..80520e2f0fa2 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -341,6 +341,22 @@ static int do_sas_phy_delete(struct device *dev, void *data) } /** + * is_sas_attached - check if device is SAS attached + * @sdev: scsi device to check + * + * returns true if the device is SAS attached + */ +int is_sas_attached(struct scsi_device *sdev) +{ + struct Scsi_Host *shost = sdev->host; + + return shost->transportt->host_attrs.ac.class == + &sas_host_class.class; +} +EXPORT_SYMBOL(is_sas_attached); + + +/** * sas_remove_children - tear down a devices SAS data structures * @dev: device belonging to the sas object * @@ -367,6 +383,20 @@ void sas_remove_host(struct Scsi_Host *shost) EXPORT_SYMBOL(sas_remove_host); /** + * sas_get_address - return the SAS address of the device + * @sdev: scsi device + * + * Returns the SAS address of the scsi device + */ +u64 sas_get_address(struct scsi_device *sdev) +{ + struct sas_end_device *rdev = sas_sdev_to_rdev(sdev); + + return rdev->rphy.identify.sas_address; +} +EXPORT_SYMBOL(sas_get_address); + +/** * sas_tlr_supported - checking TLR bit in vpd 0x90 * @sdev: scsi device struct * diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 54519804c46a..3d22fc3e3c1a 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -638,11 +638,24 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode) unsigned int max_blocks = 0; q->limits.discard_zeroes_data = 0; - q->limits.discard_alignment = sdkp->unmap_alignment * - logical_block_size; - q->limits.discard_granularity = - max(sdkp->physical_block_size, - sdkp->unmap_granularity * logical_block_size); + + /* + * When LBPRZ is reported, discard alignment and granularity + * must be fixed to the logical block size. Otherwise the block + * layer will drop misaligned portions of the request which can + * lead to data corruption. If LBPRZ is not set, we honor the + * device preference. + */ + if (sdkp->lbprz) { + q->limits.discard_alignment = 0; + q->limits.discard_granularity = 1; + } else { + q->limits.discard_alignment = sdkp->unmap_alignment * + logical_block_size; + q->limits.discard_granularity = + max(sdkp->physical_block_size, + sdkp->unmap_granularity * logical_block_size); + } sdkp->provisioning_mode = mode; @@ -2321,11 +2334,8 @@ got_data: } } - if (sdkp->capacity > 0xffffffff) { + if (sdkp->capacity > 0xffffffff) sdp->use_16_for_rw = 1; - sdkp->max_xfer_blocks = SD_MAX_XFER_BLOCKS; - } else - sdkp->max_xfer_blocks = SD_DEF_XFER_BLOCKS; /* Rescale capacity to 512-byte units */ if (sector_size == 4096) @@ -2642,7 +2652,6 @@ static void sd_read_block_limits(struct scsi_disk *sdkp) { unsigned int sector_sz = sdkp->device->sector_size; const int vpd_len = 64; - u32 max_xfer_length; unsigned char *buffer = kmalloc(vpd_len, GFP_KERNEL); if (!buffer || @@ -2650,14 +2659,11 @@ static void sd_read_block_limits(struct scsi_disk *sdkp) scsi_get_vpd_page(sdkp->device, 0xb0, buffer, vpd_len)) goto out; - max_xfer_length = get_unaligned_be32(&buffer[8]); - if (max_xfer_length) - sdkp->max_xfer_blocks = max_xfer_length; - blk_queue_io_min(sdkp->disk->queue, get_unaligned_be16(&buffer[6]) * sector_sz); - blk_queue_io_opt(sdkp->disk->queue, - get_unaligned_be32(&buffer[12]) * sector_sz); + + sdkp->max_xfer_blocks = get_unaligned_be32(&buffer[8]); + sdkp->opt_xfer_blocks = get_unaligned_be32(&buffer[12]); if (buffer[3] == 0x3c) { unsigned int lba_count, desc_count; @@ -2806,6 +2812,11 @@ static int sd_try_extended_inquiry(struct scsi_device *sdp) return 0; } +static inline u32 logical_to_sectors(struct scsi_device *sdev, u32 blocks) +{ + return blocks << (ilog2(sdev->sector_size) - 9); +} + /** * sd_revalidate_disk - called the first time a new disk is seen, * performs disk spin up, read_capacity, etc. @@ -2815,8 +2826,9 @@ static int sd_revalidate_disk(struct gendisk *disk) { struct scsi_disk *sdkp = scsi_disk(disk); struct scsi_device *sdp = sdkp->device; + struct request_queue *q = sdkp->disk->queue; unsigned char *buffer; - unsigned int max_xfer; + unsigned int dev_max, rw_max; SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_revalidate_disk\n")); @@ -2864,11 +2876,26 @@ static int sd_revalidate_disk(struct gendisk *disk) */ sd_set_flush_flag(sdkp); - max_xfer = sdkp->max_xfer_blocks; - max_xfer <<= ilog2(sdp->sector_size) - 9; + /* Initial block count limit based on CDB TRANSFER LENGTH field size. */ + dev_max = sdp->use_16_for_rw ? SD_MAX_XFER_BLOCKS : SD_DEF_XFER_BLOCKS; + + /* Some devices report a maximum block count for READ/WRITE requests. */ + dev_max = min_not_zero(dev_max, sdkp->max_xfer_blocks); + q->limits.max_dev_sectors = logical_to_sectors(sdp, dev_max); + + /* + * Use the device's preferred I/O size for reads and writes + * unless the reported value is unreasonably large (or garbage). + */ + if (sdkp->opt_xfer_blocks && sdkp->opt_xfer_blocks <= dev_max && + sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS) + rw_max = q->limits.io_opt = + logical_to_sectors(sdp, sdkp->opt_xfer_blocks); + else + rw_max = BLK_DEF_MAX_SECTORS; - sdkp->disk->queue->limits.max_sectors = - min_not_zero(queue_max_hw_sectors(sdkp->disk->queue), max_xfer); + /* Combine with controller limits */ + q->limits.max_sectors = min(rw_max, queue_max_hw_sectors(q)); set_capacity(disk, sdkp->capacity); sd_config_write_same(sdkp); diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 63ba5ca7f9a1..5f2a84aff29f 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -67,6 +67,7 @@ struct scsi_disk { atomic_t openers; sector_t capacity; /* size in 512-byte sectors */ u32 max_xfer_blocks; + u32 opt_xfer_blocks; u32 max_ws_blocks; u32 max_unmap_blocks; u32 unmap_granularity; diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index e234da78ce6e..53ef1cb6418e 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -34,6 +34,8 @@ #include <scsi/scsi_driver.h> #include <scsi/scsi_host.h> +#include <scsi/scsi_transport_sas.h> + struct ses_device { unsigned char *page1; unsigned char *page1_types; @@ -84,6 +86,7 @@ static void init_device_slot_control(unsigned char *dest_desc, static int ses_recv_diag(struct scsi_device *sdev, int page_code, void *buf, int bufflen) { + int ret; unsigned char cmd[] = { RECEIVE_DIAGNOSTIC, 1, /* Set PCV bit */ @@ -92,9 +95,26 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code, bufflen & 0xff, 0 }; + unsigned char recv_page_code; - return scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen, + ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen, NULL, SES_TIMEOUT, SES_RETRIES, NULL); + if (unlikely(!ret)) + return ret; + + recv_page_code = ((unsigned char *)buf)[0]; + + if (likely(recv_page_code == page_code)) + return ret; + + /* successful diagnostic but wrong page code. This happens to some + * USB devices, just print a message and pretend there was an error */ + + sdev_printk(KERN_ERR, sdev, + "Wrong diagnostic page; asked for %d got %u\n", + page_code, recv_page_code); + + return -EINVAL; } static int ses_send_diag(struct scsi_device *sdev, int page_code, @@ -541,7 +561,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev, if (desc_ptr) desc_ptr += len; - if (addl_desc_ptr) + if (addl_desc_ptr && + /* only find additional descriptions for specific devices */ + (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE || + type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE || + type_ptr[0] == ENCLOSURE_COMPONENT_SAS_EXPANDER || + /* these elements are optional */ + type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_TARGET_PORT || + type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT || + type_ptr[0] == ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS)) addl_desc_ptr += addl_desc_ptr[1] + 2; } @@ -553,37 +581,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev, static void ses_match_to_enclosure(struct enclosure_device *edev, struct scsi_device *sdev) { - unsigned char *desc; - unsigned char __rcu *vpd_pg83; struct efd efd = { .addr = 0, }; ses_enclosure_data_process(edev, to_scsi_device(edev->edev.parent), 0); - rcu_read_lock(); - vpd_pg83 = rcu_dereference(sdev->vpd_pg83); - if (!vpd_pg83) { - rcu_read_unlock(); - return; - } - - desc = vpd_pg83 + 4; - while (desc < vpd_pg83 + sdev->vpd_pg83_len) { - enum scsi_protocol proto = desc[0] >> 4; - u8 code_set = desc[0] & 0x0f; - u8 piv = desc[1] & 0x80; - u8 assoc = (desc[1] & 0x30) >> 4; - u8 type = desc[1] & 0x0f; - u8 len = desc[3]; - - if (piv && code_set == 1 && assoc == 1 - && proto == SCSI_PROTOCOL_SAS && type == 3 && len == 8) - efd.addr = get_unaligned_be64(&desc[4]); + if (is_sas_attached(sdev)) + efd.addr = sas_get_address(sdev); - desc += len + 4; - } - rcu_read_unlock(); if (efd.addr) { efd.dev = &sdev->sdev_gendev; diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index e0a1e52a04e7..2e522951b619 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4083,6 +4083,7 @@ static int create_one_cdev(struct scsi_tape *tape, int mode, int rew) } cdev->owner = THIS_MODULE; cdev->ops = &st_fops; + STm->cdevs[rew] = cdev; error = cdev_add(cdev, cdev_devno, 1); if (error) { @@ -4091,7 +4092,6 @@ static int create_one_cdev(struct scsi_tape *tape, int mode, int rew) pr_err("st%d: Device not attached.\n", dev_num); goto out_free; } - STm->cdevs[rew] = cdev; i = mode << (4 - ST_NBR_MODE_BITS); snprintf(name, 10, "%s%s%s", rew ? "n" : "", @@ -4110,8 +4110,9 @@ static int create_one_cdev(struct scsi_tape *tape, int mode, int rew) return 0; out_free: cdev_del(STm->cdevs[rew]); - STm->cdevs[rew] = NULL; out: + STm->cdevs[rew] = NULL; + STm->devs[rew] = NULL; return error; } diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c index 25abd4eb7d10..91a003011acf 100644 --- a/drivers/sh/pm_runtime.c +++ b/drivers/sh/pm_runtime.c @@ -34,7 +34,7 @@ static struct pm_clk_notifier_block platform_bus_notifier = { static int __init sh_pm_runtime_init(void) { - if (IS_ENABLED(CONFIG_ARCH_SHMOBILE_MULTI)) { + if (IS_ENABLED(CONFIG_ARCH_SHMOBILE)) { if (!of_find_compatible_node(NULL, NULL, "renesas,cpg-mstp-clocks")) return 0; diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig index 9d5068248aa0..0a4ea809a61b 100644 --- a/drivers/soc/mediatek/Kconfig +++ b/drivers/soc/mediatek/Kconfig @@ -23,6 +23,7 @@ config MTK_PMIC_WRAP config MTK_SCPSYS bool "MediaTek SCPSYS Support" depends on ARCH_MEDIATEK || COMPILE_TEST + default ARM64 && ARCH_MEDIATEK select REGMAP select MTK_INFRACFG select PM_GENERIC_DOMAINS if PM diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index f3a0b6a4b54e..8c03a80b482d 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1179,7 +1179,7 @@ static int knav_queue_setup_link_ram(struct knav_device *kdev) block++; if (!block->size) - return 0; + continue; dev_dbg(kdev->dev, "linkram1: phys:%x, virt:%p, size:%x\n", block->phys, block->virt, block->size); @@ -1519,9 +1519,9 @@ static int knav_queue_load_pdsp(struct knav_device *kdev, for (i = 0; i < ARRAY_SIZE(knav_acc_firmwares); i++) { if (knav_acc_firmwares[i]) { - ret = request_firmware(&fw, - knav_acc_firmwares[i], - kdev->dev); + ret = request_firmware_direct(&fw, + knav_acc_firmwares[i], + kdev->dev); if (!ret) { found = true; break; diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index 06858e04ec59..bf9a610e5b89 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -562,8 +562,8 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) goto out_clk_disable; } - dev_info(dev, "at 0x%08x (irq %d, FIFOs size %d)\n", - r->start, irq, bs->fifo_size); + dev_info(dev, "at %pr (irq %d, FIFOs size %d)\n", + r, irq, bs->fifo_size); return 0; diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 563954a61424..7840067062a8 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -410,7 +410,7 @@ static int mtk_spi_setup(struct spi_device *spi) if (!spi->controller_data) spi->controller_data = (void *)&mtk_default_chip_info; - if (mdata->dev_comp->need_pad_sel) + if (mdata->dev_comp->need_pad_sel && gpio_is_valid(spi->cs_gpio)) gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); return 0; @@ -632,13 +632,23 @@ static int mtk_spi_probe(struct platform_device *pdev) goto err_put_master; } - for (i = 0; i < master->num_chipselect; i++) { - ret = devm_gpio_request(&pdev->dev, master->cs_gpios[i], - dev_name(&pdev->dev)); - if (ret) { - dev_err(&pdev->dev, - "can't get CS GPIO %i\n", i); - goto err_put_master; + if (!master->cs_gpios && master->num_chipselect > 1) { + dev_err(&pdev->dev, + "cs_gpios not specified and num_chipselect > 1\n"); + ret = -EINVAL; + goto err_put_master; + } + + if (master->cs_gpios) { + for (i = 0; i < master->num_chipselect; i++) { + ret = devm_gpio_request(&pdev->dev, + master->cs_gpios[i], + dev_name(&pdev->dev)); + if (ret) { + dev_err(&pdev->dev, + "can't get CS GPIO %i\n", i); + goto err_put_master; + } } } } diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 94af80676684..5e5fd77e2711 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -1171,19 +1171,31 @@ err_no_rxchan: static int pl022_dma_autoprobe(struct pl022 *pl022) { struct device *dev = &pl022->adev->dev; + struct dma_chan *chan; + int err; /* automatically configure DMA channels from platform, normally using DT */ - pl022->dma_rx_channel = dma_request_slave_channel(dev, "rx"); - if (!pl022->dma_rx_channel) + chan = dma_request_slave_channel_reason(dev, "rx"); + if (IS_ERR(chan)) { + err = PTR_ERR(chan); goto err_no_rxchan; + } + + pl022->dma_rx_channel = chan; - pl022->dma_tx_channel = dma_request_slave_channel(dev, "tx"); - if (!pl022->dma_tx_channel) + chan = dma_request_slave_channel_reason(dev, "tx"); + if (IS_ERR(chan)) { + err = PTR_ERR(chan); goto err_no_txchan; + } + + pl022->dma_tx_channel = chan; pl022->dummypage = kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!pl022->dummypage) + if (!pl022->dummypage) { + err = -ENOMEM; goto err_no_dummypage; + } return 0; @@ -1194,7 +1206,7 @@ err_no_txchan: dma_release_channel(pl022->dma_rx_channel); pl022->dma_rx_channel = NULL; err_no_rxchan: - return -ENODEV; + return err; } static void terminate_dma(struct pl022 *pl022) @@ -2236,6 +2248,10 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id) /* Get DMA channels, try autoconfiguration first */ status = pl022_dma_autoprobe(pl022); + if (status == -EPROBE_DEFER) { + dev_dbg(dev, "deferring probe to get DMA channel\n"); + goto err_no_irq; + } /* If that failed, use channels from platform_info */ if (status == 0) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index e2415be209d5..2b0a8ec3affb 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -376,6 +376,7 @@ static void spi_drv_shutdown(struct device *dev) /** * __spi_register_driver - register a SPI driver + * @owner: owner module of the driver to register * @sdrv: the driver to register * Context: can sleep * @@ -2130,6 +2131,7 @@ static int __spi_validate(struct spi_device *spi, struct spi_message *message) * Set transfer tx_nbits and rx_nbits as single transfer default * (SPI_NBITS_SINGLE) if it is not set for this transfer. */ + message->frame_length = 0; list_for_each_entry(xfer, &message->transfers, transfer_list) { message->frame_length += xfer->len; if (!xfer->bits_per_word) diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig index 6d5b38d69578..9d7f0004d2d7 100644 --- a/drivers/staging/iio/Kconfig +++ b/drivers/staging/iio/Kconfig @@ -18,7 +18,8 @@ source "drivers/staging/iio/resolver/Kconfig" source "drivers/staging/iio/trigger/Kconfig" config IIO_DUMMY_EVGEN - tristate + tristate + select IRQ_WORK config IIO_SIMPLE_DUMMY tristate "An example driver with no hardware requirements" diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c index d11c54b72186..b51f237cd817 100644 --- a/drivers/staging/iio/adc/lpc32xx_adc.c +++ b/drivers/staging/iio/adc/lpc32xx_adc.c @@ -76,7 +76,7 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, if (mask == IIO_CHAN_INFO_RAW) { mutex_lock(&indio_dev->mlock); - clk_enable(info->clk); + clk_prepare_enable(info->clk); /* Measurement setup */ __raw_writel(AD_INTERNAL | (chan->address) | AD_REFp | AD_REFm, LPC32XX_ADC_SELECT(info->adc_base)); @@ -84,7 +84,7 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, __raw_writel(AD_PDN_CTRL | AD_STROBE, LPC32XX_ADC_CTRL(info->adc_base)); wait_for_completion(&info->completion); /* set by ISR */ - clk_disable(info->clk); + clk_disable_unprepare(info->clk); *val = info->value; mutex_unlock(&indio_dev->mlock); diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h index f5d741f25ffd..485ab2670918 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_ioctl.h @@ -110,7 +110,6 @@ struct libcfs_ioctl_handler { #define IOC_LIBCFS_CLEAR_DEBUG _IOWR('e', 31, long) #define IOC_LIBCFS_MARK_DEBUG _IOWR('e', 32, long) #define IOC_LIBCFS_MEMHOG _IOWR('e', 36, long) -#define IOC_LIBCFS_PING_TEST _IOWR('e', 37, long) /* lnet ioctls */ #define IOC_LIBCFS_GET_NI _IOWR('e', 50, long) #define IOC_LIBCFS_FAIL_NID _IOWR('e', 51, long) diff --git a/drivers/staging/lustre/lustre/libcfs/module.c b/drivers/staging/lustre/lustre/libcfs/module.c index 07a68594c279..e7c2b26156b9 100644 --- a/drivers/staging/lustre/lustre/libcfs/module.c +++ b/drivers/staging/lustre/lustre/libcfs/module.c @@ -274,23 +274,6 @@ static int libcfs_ioctl_int(struct cfs_psdev_file *pfile, unsigned long cmd, } break; - case IOC_LIBCFS_PING_TEST: { - extern void (kping_client)(struct libcfs_ioctl_data *); - void (*ping)(struct libcfs_ioctl_data *); - - CDEBUG(D_IOCTL, "doing %d pings to nid %s (%s)\n", - data->ioc_count, libcfs_nid2str(data->ioc_nid), - libcfs_nid2str(data->ioc_nid)); - ping = symbol_get(kping_client); - if (!ping) - CERROR("symbol_get failed\n"); - else { - ping(data); - symbol_put(kping_client); - } - return 0; - } - default: { struct libcfs_ioctl_handler *hand; diff --git a/drivers/staging/wilc1000/coreconfigurator.c b/drivers/staging/wilc1000/coreconfigurator.c index e10c6ffa698a..9568bdb6319b 100644 --- a/drivers/staging/wilc1000/coreconfigurator.c +++ b/drivers/staging/wilc1000/coreconfigurator.c @@ -13,12 +13,8 @@ #include "wilc_wlan.h" #include <linux/errno.h> #include <linux/slab.h> -#include <linux/etherdevice.h> #define TAG_PARAM_OFFSET (MAC_HDR_LEN + TIME_STAMP_LEN + \ BEACON_INTERVAL_LEN + CAP_INFO_LEN) -#define ADDR1 4 -#define ADDR2 10 -#define ADDR3 16 /* Basic Frame Type Codes (2-bit) */ enum basic_frame_type { @@ -175,32 +171,38 @@ static inline u8 get_from_ds(u8 *header) return ((header[1] & 0x02) >> 1); } +/* This function extracts the MAC Address in 'address1' field of the MAC */ +/* header and updates the MAC Address in the allocated 'addr' variable. */ +static inline void get_address1(u8 *pu8msa, u8 *addr) +{ + memcpy(addr, pu8msa + 4, 6); +} + +/* This function extracts the MAC Address in 'address2' field of the MAC */ +/* header and updates the MAC Address in the allocated 'addr' variable. */ +static inline void get_address2(u8 *pu8msa, u8 *addr) +{ + memcpy(addr, pu8msa + 10, 6); +} + +/* This function extracts the MAC Address in 'address3' field of the MAC */ +/* header and updates the MAC Address in the allocated 'addr' variable. */ +static inline void get_address3(u8 *pu8msa, u8 *addr) +{ + memcpy(addr, pu8msa + 16, 6); +} + /* This function extracts the BSSID from the incoming WLAN packet based on */ -/* the 'from ds' bit, and updates the MAC Address in the allocated 'data' */ +/* the 'from ds' bit, and updates the MAC Address in the allocated 'addr' */ /* variable. */ static inline void get_BSSID(u8 *data, u8 *bssid) { if (get_from_ds(data) == 1) - /* - * Extract the MAC Address in 'address2' field of the MAC - * header and update the MAC Address in the allocated 'data' - * variable. - */ - ether_addr_copy(data, bssid + ADDR2); + get_address2(data, bssid); else if (get_to_ds(data) == 1) - /* - * Extract the MAC Address in 'address1' field of the MAC - * header and update the MAC Address in the allocated 'data' - * variable. - */ - ether_addr_copy(data, bssid + ADDR1); + get_address1(data, bssid); else - /* - * Extract the MAC Address in 'address3' field of the MAC - * header and update the MAC Address in the allocated 'data' - * variable. - */ - ether_addr_copy(data, bssid + ADDR3); + get_address3(data, bssid); } /* This function extracts the SSID from a beacon/probe response frame */ diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 342a07c58d89..72204fbf2bb1 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -4074,6 +4074,17 @@ reject: return iscsit_add_reject(conn, ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf); } +static bool iscsi_target_check_conn_state(struct iscsi_conn *conn) +{ + bool ret; + + spin_lock_bh(&conn->state_lock); + ret = (conn->conn_state != TARG_CONN_STATE_LOGGED_IN); + spin_unlock_bh(&conn->state_lock); + + return ret; +} + int iscsi_target_rx_thread(void *arg) { int ret, rc; @@ -4091,7 +4102,7 @@ int iscsi_target_rx_thread(void *arg) * incoming iscsi/tcp socket I/O, and/or failing the connection. */ rc = wait_for_completion_interruptible(&conn->rx_login_comp); - if (rc < 0) + if (rc < 0 || iscsi_target_check_conn_state(conn)) return 0; if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) { diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 5c964c09c89f..9fc9117d0f22 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -388,6 +388,7 @@ err: if (login->login_complete) { if (conn->rx_thread && conn->rx_thread_active) { send_sig(SIGINT, conn->rx_thread, 1); + complete(&conn->rx_login_comp); kthread_stop(conn->rx_thread); } if (conn->tx_thread && conn->tx_thread_active) { diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index 51d1734d5390..2cbea2af7cd0 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -208,7 +208,7 @@ int iscsi_create_default_params(struct iscsi_param_list **param_list_ptr) if (!pl) { pr_err("Unable to allocate memory for" " struct iscsi_param_list.\n"); - return -1 ; + return -ENOMEM; } INIT_LIST_HEAD(&pl->param_list); INIT_LIST_HEAD(&pl->extra_response_list); @@ -578,7 +578,7 @@ int iscsi_copy_param_list( param_list = kzalloc(sizeof(struct iscsi_param_list), GFP_KERNEL); if (!param_list) { pr_err("Unable to allocate memory for struct iscsi_param_list.\n"); - return -1; + return -ENOMEM; } INIT_LIST_HEAD(¶m_list->param_list); INIT_LIST_HEAD(¶m_list->extra_response_list); @@ -629,7 +629,7 @@ int iscsi_copy_param_list( err_out: iscsi_release_param_list(param_list); - return -1; + return -ENOMEM; } static void iscsi_release_extra_responses(struct iscsi_param_list *param_list) @@ -729,7 +729,7 @@ static int iscsi_add_notunderstood_response( if (!extra_response) { pr_err("Unable to allocate memory for" " struct iscsi_extra_response.\n"); - return -1; + return -ENOMEM; } INIT_LIST_HEAD(&extra_response->er_list); @@ -1370,7 +1370,7 @@ int iscsi_decode_text_input( tmpbuf = kzalloc(length + 1, GFP_KERNEL); if (!tmpbuf) { pr_err("Unable to allocate %u + 1 bytes for tmpbuf.\n", length); - return -1; + return -ENOMEM; } memcpy(tmpbuf, textbuf, length); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 0b4b2a67d9f9..98698d875742 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -371,7 +371,8 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o return 0; } -static sense_reason_t xdreadwrite_callback(struct se_cmd *cmd, bool success) +static sense_reason_t xdreadwrite_callback(struct se_cmd *cmd, bool success, + int *post_ret) { unsigned char *buf, *addr; struct scatterlist *sg; @@ -437,7 +438,8 @@ sbc_execute_rw(struct se_cmd *cmd) cmd->data_direction); } -static sense_reason_t compare_and_write_post(struct se_cmd *cmd, bool success) +static sense_reason_t compare_and_write_post(struct se_cmd *cmd, bool success, + int *post_ret) { struct se_device *dev = cmd->se_dev; @@ -447,8 +449,10 @@ static sense_reason_t compare_and_write_post(struct se_cmd *cmd, bool success) * sent to the backend driver. */ spin_lock_irq(&cmd->t_state_lock); - if ((cmd->transport_state & CMD_T_SENT) && !cmd->scsi_status) + if ((cmd->transport_state & CMD_T_SENT) && !cmd->scsi_status) { cmd->se_cmd_flags |= SCF_COMPARE_AND_WRITE_POST; + *post_ret = 1; + } spin_unlock_irq(&cmd->t_state_lock); /* @@ -460,7 +464,8 @@ static sense_reason_t compare_and_write_post(struct se_cmd *cmd, bool success) return TCM_NO_SENSE; } -static sense_reason_t compare_and_write_callback(struct se_cmd *cmd, bool success) +static sense_reason_t compare_and_write_callback(struct se_cmd *cmd, bool success, + int *post_ret) { struct se_device *dev = cmd->se_dev; struct scatterlist *write_sg = NULL, *sg; @@ -556,11 +561,11 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd, bool succes if (block_size < PAGE_SIZE) { sg_set_page(&write_sg[i], m.page, block_size, - block_size); + m.piter.sg->offset + block_size); } else { sg_miter_next(&m); sg_set_page(&write_sg[i], m.page, block_size, - 0); + m.piter.sg->offset); } len -= block_size; i++; diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c index 273c72b2b83d..81a6b3e07687 100644 --- a/drivers/target/target_core_stat.c +++ b/drivers/target/target_core_stat.c @@ -246,7 +246,7 @@ static ssize_t target_stat_lu_prod_show(struct config_item *item, char *page) char str[sizeof(dev->t10_wwn.model)+1]; /* scsiLuProductId */ - for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++) + for (i = 0; i < sizeof(dev->t10_wwn.model); i++) str[i] = ISPRINT(dev->t10_wwn.model[i]) ? dev->t10_wwn.model[i] : ' '; str[i] = '\0'; diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index 5b2820312310..28fb3016370f 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -130,6 +130,9 @@ void core_tmr_abort_task( if (tmr->ref_task_tag != ref_tag) continue; + if (!kref_get_unless_zero(&se_cmd->cmd_kref)) + continue; + printk("ABORT_TASK: Found referenced %s task_tag: %llu\n", se_cmd->se_tfo->get_fabric_name(), ref_tag); @@ -139,13 +142,15 @@ void core_tmr_abort_task( " skipping\n", ref_tag); spin_unlock(&se_cmd->t_state_lock); spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + + target_put_sess_cmd(se_cmd); + goto out; } se_cmd->transport_state |= CMD_T_ABORTED; spin_unlock(&se_cmd->t_state_lock); list_del_init(&se_cmd->se_cmd_list); - kref_get(&se_cmd->cmd_kref); spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); cancel_work_sync(&se_cmd->work); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 5bacc7b5ed6d..4fdcee2006d1 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1658,7 +1658,7 @@ bool target_stop_cmd(struct se_cmd *cmd, unsigned long *flags) void transport_generic_request_failure(struct se_cmd *cmd, sense_reason_t sense_reason) { - int ret = 0; + int ret = 0, post_ret = 0; pr_debug("-----[ Storage Engine Exception for cmd: %p ITT: 0x%08llx" " CDB: 0x%02x\n", cmd, cmd->tag, cmd->t_task_cdb[0]); @@ -1680,7 +1680,7 @@ void transport_generic_request_failure(struct se_cmd *cmd, */ if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) && cmd->transport_complete_callback) - cmd->transport_complete_callback(cmd, false); + cmd->transport_complete_callback(cmd, false, &post_ret); switch (sense_reason) { case TCM_NON_EXISTENT_LUN: @@ -2068,11 +2068,13 @@ static void target_complete_ok_work(struct work_struct *work) */ if (cmd->transport_complete_callback) { sense_reason_t rc; + bool caw = (cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE); + bool zero_dl = !(cmd->data_length); + int post_ret = 0; - rc = cmd->transport_complete_callback(cmd, true); - if (!rc && !(cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE_POST)) { - if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) && - !cmd->data_length) + rc = cmd->transport_complete_callback(cmd, true, &post_ret); + if (!rc && !post_ret) { + if (caw && zero_dl) goto queue_rsp; return; @@ -2507,23 +2509,24 @@ out: EXPORT_SYMBOL(target_get_sess_cmd); static void target_release_cmd_kref(struct kref *kref) - __releases(&se_cmd->se_sess->sess_cmd_lock) { struct se_cmd *se_cmd = container_of(kref, struct se_cmd, cmd_kref); struct se_session *se_sess = se_cmd->se_sess; + unsigned long flags; + spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); if (list_empty(&se_cmd->se_cmd_list)) { - spin_unlock(&se_sess->sess_cmd_lock); + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); se_cmd->se_tfo->release_cmd(se_cmd); return; } if (se_sess->sess_tearing_down && se_cmd->cmd_wait_set) { - spin_unlock(&se_sess->sess_cmd_lock); + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); complete(&se_cmd->cmd_wait_comp); return; } list_del(&se_cmd->se_cmd_list); - spin_unlock(&se_sess->sess_cmd_lock); + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); se_cmd->se_tfo->release_cmd(se_cmd); } @@ -2539,8 +2542,7 @@ int target_put_sess_cmd(struct se_cmd *se_cmd) se_cmd->se_tfo->release_cmd(se_cmd); return 1; } - return kref_put_spinlock_irqsave(&se_cmd->cmd_kref, target_release_cmd_kref, - &se_sess->sess_cmd_lock); + return kref_put(&se_cmd->cmd_kref, target_release_cmd_kref); } EXPORT_SYMBOL(target_put_sess_cmd); diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 937cebf76633..5e6d6cb348fc 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -638,7 +638,7 @@ static int tcmu_check_expired_cmd(int id, void *p, void *data) if (test_bit(TCMU_CMD_BIT_EXPIRED, &cmd->flags)) return 0; - if (!time_after(cmd->deadline, jiffies)) + if (!time_after(jiffies, cmd->deadline)) return 0; set_bit(TCMU_CMD_BIT_EXPIRED, &cmd->flags); @@ -1101,8 +1101,6 @@ tcmu_parse_cdb(struct se_cmd *cmd) static const struct target_backend_ops tcmu_ops = { .name = "user", - .inquiry_prod = "USER", - .inquiry_rev = TCMU_VERSION, .owner = THIS_MODULE, .transport_flags = TRANSPORT_FLAG_PASSTHROUGH, .attach_hba = tcmu_attach_hba, diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index c463c89b90ef..8cc4ac64a91c 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -382,7 +382,7 @@ endmenu config QCOM_SPMI_TEMP_ALARM tristate "Qualcomm SPMI PMIC Temperature Alarm" - depends on OF && (SPMI || COMPILE_TEST) && IIO + depends on OF && SPMI && IIO select REGMAP_SPMI help This enables a thermal sysfs driver for Qualcomm plug-and-play (QPNP) diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index c8fe3cac2e0e..c5547bd711db 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -55,6 +55,7 @@ #define TEMPSENSE2_PANIC_VALUE_SHIFT 16 #define TEMPSENSE2_PANIC_VALUE_MASK 0xfff0000 +#define OCOTP_MEM0 0x0480 #define OCOTP_ANA1 0x04e0 /* The driver supports 1 passive trip point and 1 critical trip point */ @@ -64,12 +65,6 @@ enum imx_thermal_trip { IMX_TRIP_NUM, }; -/* - * It defines the temperature in millicelsius for passive trip point - * that will trigger cooling action when crossed. - */ -#define IMX_TEMP_PASSIVE 85000 - #define IMX_POLLING_DELAY 2000 /* millisecond */ #define IMX_PASSIVE_DELAY 1000 @@ -100,12 +95,14 @@ struct imx_thermal_data { u32 c1, c2; /* See formula in imx_get_sensor_data() */ int temp_passive; int temp_critical; + int temp_max; int alarm_temp; int last_temp; bool irq_enabled; int irq; struct clk *thermal_clk; const struct thermal_soc_data *socdata; + const char *temp_grade; }; static void imx_set_panic_temp(struct imx_thermal_data *data, @@ -285,10 +282,12 @@ static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip, { struct imx_thermal_data *data = tz->devdata; + /* do not allow changing critical threshold */ if (trip == IMX_TRIP_CRITICAL) return -EPERM; - if (temp < 0 || temp > IMX_TEMP_PASSIVE) + /* do not allow passive to be set higher than critical */ + if (temp < 0 || temp > data->temp_critical) return -EINVAL; data->temp_passive = temp; @@ -404,17 +403,39 @@ static int imx_get_sensor_data(struct platform_device *pdev) data->c1 = temp64; data->c2 = n1 * data->c1 + 1000 * t1; - /* - * Set the default passive cooling trip point, - * can be changed from userspace. - */ - data->temp_passive = IMX_TEMP_PASSIVE; + /* use OTP for thermal grade */ + ret = regmap_read(map, OCOTP_MEM0, &val); + if (ret) { + dev_err(&pdev->dev, "failed to read temp grade: %d\n", ret); + return ret; + } + + /* The maximum die temp is specified by the Temperature Grade */ + switch ((val >> 6) & 0x3) { + case 0: /* Commercial (0 to 95C) */ + data->temp_grade = "Commercial"; + data->temp_max = 95000; + break; + case 1: /* Extended Commercial (-20 to 105C) */ + data->temp_grade = "Extended Commercial"; + data->temp_max = 105000; + break; + case 2: /* Industrial (-40 to 105C) */ + data->temp_grade = "Industrial"; + data->temp_max = 105000; + break; + case 3: /* Automotive (-40 to 125C) */ + data->temp_grade = "Automotive"; + data->temp_max = 125000; + break; + } /* - * The maximum die temperature set to 20 C higher than - * IMX_TEMP_PASSIVE. + * Set the critical trip point at 5C under max + * Set the passive trip point at 10C under max (can change via sysfs) */ - data->temp_critical = 1000 * 20 + data->temp_passive; + data->temp_critical = data->temp_max - (1000 * 5); + data->temp_passive = data->temp_max - (1000 * 10); return 0; } @@ -551,6 +572,11 @@ static int imx_thermal_probe(struct platform_device *pdev) return ret; } + dev_info(&pdev->dev, "%s CPU temperature grade - max:%dC" + " critical:%dC passive:%dC\n", data->temp_grade, + data->temp_max / 1000, data->temp_critical / 1000, + data->temp_passive / 1000); + /* Enable measurements at ~ 10 Hz */ regmap_write(map, TEMPSENSE1 + REG_CLR, TEMPSENSE1_MEASURE_FREQ); measure_freq = DIV_ROUND_UP(32768, 10); /* 10 Hz */ diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 42b7d4253b94..be4eedcb839a 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -964,7 +964,7 @@ void of_thermal_destroy_zones(void) np = of_find_node_by_name(NULL, "thermal-zones"); if (!np) { - pr_err("unable to find thermal zones\n"); + pr_debug("unable to find thermal zones\n"); return; } diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c index f0fbea386869..1246aa6fcab0 100644 --- a/drivers/thermal/power_allocator.c +++ b/drivers/thermal/power_allocator.c @@ -174,7 +174,6 @@ static void estimate_pid_constants(struct thermal_zone_device *tz, /** * pid_controller() - PID controller * @tz: thermal zone we are operating in - * @current_temp: the current temperature in millicelsius * @control_temp: the target temperature in millicelsius * @max_allocatable_power: maximum allocatable power for this thermal zone * @@ -191,7 +190,6 @@ static void estimate_pid_constants(struct thermal_zone_device *tz, * Return: The power budget for the next period. */ static u32 pid_controller(struct thermal_zone_device *tz, - int current_temp, int control_temp, u32 max_allocatable_power) { @@ -211,7 +209,7 @@ static u32 pid_controller(struct thermal_zone_device *tz, true); } - err = control_temp - current_temp; + err = control_temp - tz->temperature; err = int_to_frac(err); /* Calculate the proportional term */ @@ -332,7 +330,6 @@ static void divvy_up_power(u32 *req_power, u32 *max_power, int num_actors, } static int allocate_power(struct thermal_zone_device *tz, - int current_temp, int control_temp) { struct thermal_instance *instance; @@ -418,8 +415,7 @@ static int allocate_power(struct thermal_zone_device *tz, i++; } - power_range = pid_controller(tz, current_temp, control_temp, - max_allocatable_power); + power_range = pid_controller(tz, control_temp, max_allocatable_power); divvy_up_power(weighted_req_power, max_power, num_actors, total_weighted_req_power, power_range, granted_power, @@ -444,8 +440,8 @@ static int allocate_power(struct thermal_zone_device *tz, trace_thermal_power_allocator(tz, req_power, total_req_power, granted_power, total_granted_power, num_actors, power_range, - max_allocatable_power, current_temp, - control_temp - current_temp); + max_allocatable_power, tz->temperature, + control_temp - tz->temperature); kfree(req_power); unlock: @@ -612,7 +608,7 @@ static void power_allocator_unbind(struct thermal_zone_device *tz) static int power_allocator_throttle(struct thermal_zone_device *tz, int trip) { int ret; - int switch_on_temp, control_temp, current_temp; + int switch_on_temp, control_temp; struct power_allocator_params *params = tz->governor_data; /* @@ -622,15 +618,9 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip) if (trip != params->trip_max_desired_temperature) return 0; - ret = thermal_zone_get_temp(tz, ¤t_temp); - if (ret) { - dev_warn(&tz->device, "Failed to get temperature: %d\n", ret); - return ret; - } - ret = tz->ops->get_trip_temp(tz, params->trip_switch_on, &switch_on_temp); - if (!ret && (current_temp < switch_on_temp)) { + if (!ret && (tz->temperature < switch_on_temp)) { tz->passive = 0; reset_pid_controller(params); allow_maximum_power(tz); @@ -648,7 +638,7 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip) return ret; } - return allocate_power(tz, current_temp, control_temp); + return allocate_power(tz, control_temp); } static struct thermal_governor thermal_gov_power_allocator = { diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index 5d4ae7d705e0..13d01edc7a04 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -361,6 +361,24 @@ static irqreturn_t rcar_thermal_irq(int irq, void *data) /* * platform functions */ +static int rcar_thermal_remove(struct platform_device *pdev) +{ + struct rcar_thermal_common *common = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + struct rcar_thermal_priv *priv; + + rcar_thermal_for_each_priv(priv, common) { + if (rcar_has_irq_support(priv)) + rcar_thermal_irq_disable(priv); + thermal_zone_device_unregister(priv->zone); + } + + pm_runtime_put(dev); + pm_runtime_disable(dev); + + return 0; +} + static int rcar_thermal_probe(struct platform_device *pdev) { struct rcar_thermal_common *common; @@ -377,6 +395,8 @@ static int rcar_thermal_probe(struct platform_device *pdev) if (!common) return -ENOMEM; + platform_set_drvdata(pdev, common); + INIT_LIST_HEAD(&common->head); spin_lock_init(&common->lock); common->dev = dev; @@ -454,43 +474,16 @@ static int rcar_thermal_probe(struct platform_device *pdev) rcar_thermal_common_write(common, ENR, enr_bits); } - platform_set_drvdata(pdev, common); - dev_info(dev, "%d sensor probed\n", i); return 0; error_unregister: - rcar_thermal_for_each_priv(priv, common) { - if (rcar_has_irq_support(priv)) - rcar_thermal_irq_disable(priv); - thermal_zone_device_unregister(priv->zone); - } - - pm_runtime_put(dev); - pm_runtime_disable(dev); + rcar_thermal_remove(pdev); return ret; } -static int rcar_thermal_remove(struct platform_device *pdev) -{ - struct rcar_thermal_common *common = platform_get_drvdata(pdev); - struct device *dev = &pdev->dev; - struct rcar_thermal_priv *priv; - - rcar_thermal_for_each_priv(priv, common) { - if (rcar_has_irq_support(priv)) - rcar_thermal_irq_disable(priv); - thermal_zone_device_unregister(priv->zone); - } - - pm_runtime_put(dev); - pm_runtime_disable(dev); - - return 0; -} - static const struct of_device_id rcar_thermal_dt_ids[] = { { .compatible = "renesas,rcar-thermal", }, {}, diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c index 9787e8aa509f..e845841ab036 100644 --- a/drivers/thermal/rockchip_thermal.c +++ b/drivers/thermal/rockchip_thermal.c @@ -1,6 +1,9 @@ /* * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd * + * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd + * Caesar Wang <wxt@rock-chips.com> + * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. @@ -45,17 +48,50 @@ enum tshut_polarity { }; /** - * The system has three Temperature Sensors. channel 0 is reserved, - * channel 1 is for CPU, and channel 2 is for GPU. + * The system has two Temperature Sensors. + * sensor0 is for CPU, and sensor1 is for GPU. */ enum sensor_id { - SENSOR_CPU = 1, + SENSOR_CPU = 0, SENSOR_GPU, }; +/** +* The conversion table has the adc value and temperature. +* ADC_DECREMENT is the adc value decremnet.(e.g. v2_code_table) +* ADC_INCREMNET is the adc value incremnet.(e.g. v3_code_table) +*/ +enum adc_sort_mode { + ADC_DECREMENT = 0, + ADC_INCREMENT, +}; + +/** + * The max sensors is two in rockchip SoCs. + * Two sensors: CPU and GPU sensor. + */ +#define SOC_MAX_SENSORS 2 + +struct chip_tsadc_table { + const struct tsadc_table *id; + + /* the array table size*/ + unsigned int length; + + /* that analogic mask data */ + u32 data_mask; + + /* the sort mode is adc value that increment or decrement in table */ + enum adc_sort_mode mode; +}; + struct rockchip_tsadc_chip { + /* The sensor id of chip correspond to the ADC channel */ + int chn_id[SOC_MAX_SENSORS]; + int chn_num; + /* The hardware-controlled tshut property */ - long tshut_temp; + int tshut_temp; enum tshut_mode tshut_mode; enum tshut_polarity tshut_polarity; @@ -65,37 +101,40 @@ struct rockchip_tsadc_chip { void (*control)(void __iomem *reg, bool on); /* Per-sensor methods */ - int (*get_temp)(int chn, void __iomem *reg, int *temp); - void (*set_tshut_temp)(int chn, void __iomem *reg, long temp); + int (*get_temp)(struct chip_tsadc_table table, + int chn, void __iomem *reg, int *temp); + void (*set_tshut_temp)(struct chip_tsadc_table table, + int chn, void __iomem *reg, int temp); void (*set_tshut_mode)(int chn, void __iomem *reg, enum tshut_mode m); + + /* Per-table methods */ + struct chip_tsadc_table table; }; struct rockchip_thermal_sensor { struct rockchip_thermal_data *thermal; struct thermal_zone_device *tzd; - enum sensor_id id; + int id; }; -#define NUM_SENSORS 2 /* Ignore unused sensor 0 */ - struct rockchip_thermal_data { const struct rockchip_tsadc_chip *chip; struct platform_device *pdev; struct reset_control *reset; - struct rockchip_thermal_sensor sensors[NUM_SENSORS]; + struct rockchip_thermal_sensor sensors[SOC_MAX_SENSORS]; struct clk *clk; struct clk *pclk; void __iomem *regs; - long tshut_temp; + int tshut_temp; enum tshut_mode tshut_mode; enum tshut_polarity tshut_polarity; }; -/* TSADC V2 Sensor info define: */ +/* TSADC Sensor info define: */ #define TSADCV2_AUTO_CON 0x04 #define TSADCV2_INT_EN 0x08 #define TSADCV2_INT_PD 0x0c @@ -117,6 +156,8 @@ struct rockchip_thermal_data { #define TSADCV2_INT_PD_CLEAR_MASK ~BIT(8) #define TSADCV2_DATA_MASK 0xfff +#define TSADCV3_DATA_MASK 0x3ff + #define TSADCV2_HIGHT_INT_DEBOUNCE_COUNT 4 #define TSADCV2_HIGHT_TSHUT_DEBOUNCE_COUNT 4 #define TSADCV2_AUTO_PERIOD_TIME 250 /* msec */ @@ -124,7 +165,7 @@ struct rockchip_thermal_data { struct tsadc_table { u32 code; - long temp; + int temp; }; static const struct tsadc_table v2_code_table[] = { @@ -165,21 +206,61 @@ static const struct tsadc_table v2_code_table[] = { {3421, 125000}, }; -static u32 rk_tsadcv2_temp_to_code(long temp) +static const struct tsadc_table v3_code_table[] = { + {0, -40000}, + {106, -40000}, + {108, -35000}, + {110, -30000}, + {112, -25000}, + {114, -20000}, + {116, -15000}, + {118, -10000}, + {120, -5000}, + {122, 0}, + {124, 5000}, + {126, 10000}, + {128, 15000}, + {130, 20000}, + {132, 25000}, + {134, 30000}, + {136, 35000}, + {138, 40000}, + {140, 45000}, + {142, 50000}, + {144, 55000}, + {146, 60000}, + {148, 65000}, + {150, 70000}, + {152, 75000}, + {154, 80000}, + {156, 85000}, + {158, 90000}, + {160, 95000}, + {162, 100000}, + {163, 105000}, + {165, 110000}, + {167, 115000}, + {169, 120000}, + {171, 125000}, + {TSADCV3_DATA_MASK, 125000}, +}; + +static u32 rk_tsadcv2_temp_to_code(struct chip_tsadc_table table, + int temp) { int high, low, mid; low = 0; - high = ARRAY_SIZE(v2_code_table) - 1; + high = table.length - 1; mid = (high + low) / 2; - if (temp < v2_code_table[low].temp || temp > v2_code_table[high].temp) + if (temp < table.id[low].temp || temp > table.id[high].temp) return 0; while (low <= high) { - if (temp == v2_code_table[mid].temp) - return v2_code_table[mid].code; - else if (temp < v2_code_table[mid].temp) + if (temp == table.id[mid].temp) + return table.id[mid].code; + else if (temp < table.id[mid].temp) high = mid - 1; else low = mid + 1; @@ -189,29 +270,54 @@ static u32 rk_tsadcv2_temp_to_code(long temp) return 0; } -static int rk_tsadcv2_code_to_temp(u32 code, int *temp) +static int rk_tsadcv2_code_to_temp(struct chip_tsadc_table table, u32 code, + int *temp) { unsigned int low = 1; - unsigned int high = ARRAY_SIZE(v2_code_table) - 1; + unsigned int high = table.length - 1; unsigned int mid = (low + high) / 2; unsigned int num; unsigned long denom; - BUILD_BUG_ON(ARRAY_SIZE(v2_code_table) < 2); - - code &= TSADCV2_DATA_MASK; - if (code < v2_code_table[high].code) - return -EAGAIN; /* Incorrect reading */ - - while (low <= high) { - if (code >= v2_code_table[mid].code && - code < v2_code_table[mid - 1].code) - break; - else if (code < v2_code_table[mid].code) - low = mid + 1; - else - high = mid - 1; - mid = (low + high) / 2; + WARN_ON(table.length < 2); + + switch (table.mode) { + case ADC_DECREMENT: + code &= table.data_mask; + if (code < table.id[high].code) + return -EAGAIN; /* Incorrect reading */ + + while (low <= high) { + if (code >= table.id[mid].code && + code < table.id[mid - 1].code) + break; + else if (code < table.id[mid].code) + low = mid + 1; + else + high = mid - 1; + + mid = (low + high) / 2; + } + break; + case ADC_INCREMENT: + code &= table.data_mask; + if (code < table.id[low].code) + return -EAGAIN; /* Incorrect reading */ + + while (low <= high) { + if (code >= table.id[mid - 1].code && + code < table.id[mid].code) + break; + else if (code > table.id[mid].code) + low = mid + 1; + else + high = mid - 1; + + mid = (low + high) / 2; + } + break; + default: + pr_err("Invalid the conversion table\n"); } /* @@ -220,24 +326,28 @@ static int rk_tsadcv2_code_to_temp(u32 code, int *temp) * temperature between 2 table entries is linear and interpolate * to produce less granular result. */ - num = v2_code_table[mid].temp - v2_code_table[mid - 1].temp; - num *= v2_code_table[mid - 1].code - code; - denom = v2_code_table[mid - 1].code - v2_code_table[mid].code; - *temp = v2_code_table[mid - 1].temp + (num / denom); + num = table.id[mid].temp - v2_code_table[mid - 1].temp; + num *= abs(table.id[mid - 1].code - code); + denom = abs(table.id[mid - 1].code - table.id[mid].code); + *temp = table.id[mid - 1].temp + (num / denom); return 0; } /** - * rk_tsadcv2_initialize - initialize TASDC Controller - * (1) Set TSADCV2_AUTO_PERIOD, configure the interleave between - * every two accessing of TSADC in normal operation. - * (2) Set TSADCV2_AUTO_PERIOD_HT, configure the interleave between - * every two accessing of TSADC after the temperature is higher - * than COM_SHUT or COM_INT. - * (3) Set TSADCV2_HIGH_INT_DEBOUNCE and TSADC_HIGHT_TSHUT_DEBOUNCE, - * if the temperature is higher than COMP_INT or COMP_SHUT for - * "debounce" times, TSADC controller will generate interrupt or TSHUT. + * rk_tsadcv2_initialize - initialize TASDC Controller. + * + * (1) Set TSADC_V2_AUTO_PERIOD: + * Configure the interleave between every two accessing of + * TSADC in normal operation. + * + * (2) Set TSADCV2_AUTO_PERIOD_HT: + * Configure the interleave between every two accessing of + * TSADC after the temperature is higher than COM_SHUT or COM_INT. + * + * (3) Set TSADCV2_HIGH_INT_DEBOUNCE and TSADC_HIGHT_TSHUT_DEBOUNCE: + * If the temperature is higher than COMP_INT or COMP_SHUT for + * "debounce" times, TSADC controller will generate interrupt or TSHUT. */ static void rk_tsadcv2_initialize(void __iomem *regs, enum tshut_polarity tshut_polarity) @@ -279,20 +389,22 @@ static void rk_tsadcv2_control(void __iomem *regs, bool enable) writel_relaxed(val, regs + TSADCV2_AUTO_CON); } -static int rk_tsadcv2_get_temp(int chn, void __iomem *regs, int *temp) +static int rk_tsadcv2_get_temp(struct chip_tsadc_table table, + int chn, void __iomem *regs, int *temp) { u32 val; val = readl_relaxed(regs + TSADCV2_DATA(chn)); - return rk_tsadcv2_code_to_temp(val, temp); + return rk_tsadcv2_code_to_temp(table, val, temp); } -static void rk_tsadcv2_tshut_temp(int chn, void __iomem *regs, long temp) +static void rk_tsadcv2_tshut_temp(struct chip_tsadc_table table, + int chn, void __iomem *regs, int temp) { u32 tshut_value, val; - tshut_value = rk_tsadcv2_temp_to_code(temp); + tshut_value = rk_tsadcv2_temp_to_code(table, temp); writel_relaxed(tshut_value, regs + TSADCV2_COMP_SHUT(chn)); /* TSHUT will be valid */ @@ -318,6 +430,10 @@ static void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs, } static const struct rockchip_tsadc_chip rk3288_tsadc_data = { + .chn_id[SENSOR_CPU] = 1, /* cpu sensor is channel 1 */ + .chn_id[SENSOR_GPU] = 2, /* gpu sensor is channel 2 */ + .chn_num = 2, /* two channels for tsadc */ + .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, @@ -328,6 +444,37 @@ static const struct rockchip_tsadc_chip rk3288_tsadc_data = { .get_temp = rk_tsadcv2_get_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, + + .table = { + .id = v2_code_table, + .length = ARRAY_SIZE(v2_code_table), + .data_mask = TSADCV2_DATA_MASK, + .mode = ADC_DECREMENT, + }, +}; + +static const struct rockchip_tsadc_chip rk3368_tsadc_data = { + .chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */ + .chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */ + .chn_num = 2, /* two channels for tsadc */ + + .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ + .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ + .tshut_temp = 95000, + + .initialize = rk_tsadcv2_initialize, + .irq_ack = rk_tsadcv2_irq_ack, + .control = rk_tsadcv2_control, + .get_temp = rk_tsadcv2_get_temp, + .set_tshut_temp = rk_tsadcv2_tshut_temp, + .set_tshut_mode = rk_tsadcv2_tshut_mode, + + .table = { + .id = v3_code_table, + .length = ARRAY_SIZE(v3_code_table), + .data_mask = TSADCV3_DATA_MASK, + .mode = ADC_INCREMENT, + }, }; static const struct of_device_id of_rockchip_thermal_match[] = { @@ -335,6 +482,10 @@ static const struct of_device_id of_rockchip_thermal_match[] = { .compatible = "rockchip,rk3288-tsadc", .data = (void *)&rk3288_tsadc_data, }, + { + .compatible = "rockchip,rk3368-tsadc", + .data = (void *)&rk3368_tsadc_data, + }, { /* end */ }, }; MODULE_DEVICE_TABLE(of, of_rockchip_thermal_match); @@ -357,7 +508,7 @@ static irqreturn_t rockchip_thermal_alarm_irq_thread(int irq, void *dev) thermal->chip->irq_ack(thermal->regs); - for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++) + for (i = 0; i < thermal->chip->chn_num; i++) thermal_zone_device_update(thermal->sensors[i].tzd); return IRQ_HANDLED; @@ -370,7 +521,8 @@ static int rockchip_thermal_get_temp(void *_sensor, int *out_temp) const struct rockchip_tsadc_chip *tsadc = sensor->thermal->chip; int retval; - retval = tsadc->get_temp(sensor->id, thermal->regs, out_temp); + retval = tsadc->get_temp(tsadc->table, + sensor->id, thermal->regs, out_temp); dev_dbg(&thermal->pdev->dev, "sensor %d - temp: %d, retval: %d\n", sensor->id, *out_temp, retval); @@ -389,7 +541,7 @@ static int rockchip_configure_from_dt(struct device *dev, if (of_property_read_u32(np, "rockchip,hw-tshut-temp", &shut_temp)) { dev_warn(dev, - "Missing tshut temp property, using default %ld\n", + "Missing tshut temp property, using default %d\n", thermal->chip->tshut_temp); thermal->tshut_temp = thermal->chip->tshut_temp; } else { @@ -397,7 +549,7 @@ static int rockchip_configure_from_dt(struct device *dev, } if (thermal->tshut_temp > INT_MAX) { - dev_err(dev, "Invalid tshut temperature specified: %ld\n", + dev_err(dev, "Invalid tshut temperature specified: %d\n", thermal->tshut_temp); return -ERANGE; } @@ -442,13 +594,14 @@ static int rockchip_thermal_register_sensor(struct platform_device *pdev, struct rockchip_thermal_data *thermal, struct rockchip_thermal_sensor *sensor, - enum sensor_id id) + int id) { const struct rockchip_tsadc_chip *tsadc = thermal->chip; int error; tsadc->set_tshut_mode(id, thermal->regs, thermal->tshut_mode); - tsadc->set_tshut_temp(id, thermal->regs, thermal->tshut_temp); + tsadc->set_tshut_temp(tsadc->table, id, thermal->regs, + thermal->tshut_temp); sensor->thermal = thermal; sensor->id = id; @@ -481,7 +634,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev) const struct of_device_id *match; struct resource *res; int irq; - int i; + int i, j; int error; match = of_match_node(of_rockchip_thermal_match, np); @@ -556,22 +709,19 @@ static int rockchip_thermal_probe(struct platform_device *pdev) thermal->chip->initialize(thermal->regs, thermal->tshut_polarity); - error = rockchip_thermal_register_sensor(pdev, thermal, - &thermal->sensors[0], - SENSOR_CPU); - if (error) { - dev_err(&pdev->dev, - "failed to register CPU thermal sensor: %d\n", error); - goto err_disable_pclk; - } - - error = rockchip_thermal_register_sensor(pdev, thermal, - &thermal->sensors[1], - SENSOR_GPU); - if (error) { - dev_err(&pdev->dev, - "failed to register GPU thermal sensor: %d\n", error); - goto err_unregister_cpu_sensor; + for (i = 0; i < thermal->chip->chn_num; i++) { + error = rockchip_thermal_register_sensor(pdev, thermal, + &thermal->sensors[i], + thermal->chip->chn_id[i]); + if (error) { + dev_err(&pdev->dev, + "failed to register sensor[%d] : error = %d\n", + i, error); + for (j = 0; j < i; j++) + thermal_zone_of_sensor_unregister(&pdev->dev, + thermal->sensors[j].tzd); + goto err_disable_pclk; + } } error = devm_request_threaded_irq(&pdev->dev, irq, NULL, @@ -581,22 +731,23 @@ static int rockchip_thermal_probe(struct platform_device *pdev) if (error) { dev_err(&pdev->dev, "failed to request tsadc irq: %d\n", error); - goto err_unregister_gpu_sensor; + goto err_unregister_sensor; } thermal->chip->control(thermal->regs, true); - for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++) + for (i = 0; i < thermal->chip->chn_num; i++) rockchip_thermal_toggle_sensor(&thermal->sensors[i], true); platform_set_drvdata(pdev, thermal); return 0; -err_unregister_gpu_sensor: - thermal_zone_of_sensor_unregister(&pdev->dev, thermal->sensors[1].tzd); -err_unregister_cpu_sensor: - thermal_zone_of_sensor_unregister(&pdev->dev, thermal->sensors[0].tzd); +err_unregister_sensor: + while (i--) + thermal_zone_of_sensor_unregister(&pdev->dev, + thermal->sensors[i].tzd); + err_disable_pclk: clk_disable_unprepare(thermal->pclk); err_disable_clk: @@ -610,7 +761,7 @@ static int rockchip_thermal_remove(struct platform_device *pdev) struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev); int i; - for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++) { + for (i = 0; i < thermal->chip->chn_num; i++) { struct rockchip_thermal_sensor *sensor = &thermal->sensors[i]; rockchip_thermal_toggle_sensor(sensor, false); @@ -631,7 +782,7 @@ static int __maybe_unused rockchip_thermal_suspend(struct device *dev) struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev); int i; - for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++) + for (i = 0; i < thermal->chip->chn_num; i++) rockchip_thermal_toggle_sensor(&thermal->sensors[i], false); thermal->chip->control(thermal->regs, false); @@ -663,18 +814,19 @@ static int __maybe_unused rockchip_thermal_resume(struct device *dev) thermal->chip->initialize(thermal->regs, thermal->tshut_polarity); - for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++) { - enum sensor_id id = thermal->sensors[i].id; + for (i = 0; i < thermal->chip->chn_num; i++) { + int id = thermal->sensors[i].id; thermal->chip->set_tshut_mode(id, thermal->regs, thermal->tshut_mode); - thermal->chip->set_tshut_temp(id, thermal->regs, + thermal->chip->set_tshut_temp(thermal->chip->table, + id, thermal->regs, thermal->tshut_temp); } thermal->chip->control(thermal->regs, true); - for (i = 0; i < ARRAY_SIZE(thermal->sensors); i++) + for (i = 0; i < thermal->chip->chn_num; i++) rockchip_thermal_toggle_sensor(&thermal->sensors[i], true); pinctrl_pm_select_default_state(dev); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 13844261cd5f..ed776149261e 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -169,7 +169,7 @@ static inline int tty_copy_to_user(struct tty_struct *tty, { struct n_tty_data *ldata = tty->disc_data; - tty_audit_add_data(tty, to, n, ldata->icanon); + tty_audit_add_data(tty, from, n, ldata->icanon); return copy_to_user(to, from, n); } diff --git a/drivers/tty/serial/8250/8250_fsl.c b/drivers/tty/serial/8250/8250_fsl.c index c0533a57ec53..910bfee5a88b 100644 --- a/drivers/tty/serial/8250/8250_fsl.c +++ b/drivers/tty/serial/8250/8250_fsl.c @@ -60,3 +60,4 @@ int fsl8250_handle_irq(struct uart_port *port) spin_unlock_irqrestore(&up->port.lock, flags); return 1; } +EXPORT_SYMBOL_GPL(fsl8250_handle_irq); diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index e6f5e12a2d83..6412f1455beb 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -373,6 +373,7 @@ config SERIAL_8250_MID depends on SERIAL_8250 && PCI select HSU_DMA if SERIAL_8250_DMA select HSU_DMA_PCI if X86_INTEL_MID + select RATIONAL help Selecting this option will enable handling of the extra features present on the UART found on Intel Medfield SOC and various other diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 1aec4404062d..f38beb28e7ae 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1539,7 +1539,6 @@ config SERIAL_FSL_LPUART tristate "Freescale lpuart serial port support" depends on HAS_DMA select SERIAL_CORE - select SERIAL_EARLYCON help Support for the on-chip lpuart on some Freescale SOCs. @@ -1547,6 +1546,7 @@ config SERIAL_FSL_LPUART_CONSOLE bool "Console on Freescale lpuart serial port" depends on SERIAL_FSL_LPUART=y select SERIAL_CORE_CONSOLE + select SERIAL_EARLYCON help If you have enabled the lpuart serial port on the Freescale SoCs, you can make it the console by answering Y to this option. diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c index 681e0f3d5e0e..a1c0a89d9c7f 100644 --- a/drivers/tty/serial/bcm63xx_uart.c +++ b/drivers/tty/serial/bcm63xx_uart.c @@ -474,7 +474,7 @@ static int bcm_uart_startup(struct uart_port *port) /* register irq and enable rx interrupts */ ret = request_irq(port->irq, bcm_uart_interrupt, 0, - bcm_uart_type(port), port); + dev_name(port->dev), port); if (ret) return ret; bcm_uart_writel(port, UART_RX_INT_MASK, UART_IR_REG); diff --git a/drivers/tty/serial/etraxfs-uart.c b/drivers/tty/serial/etraxfs-uart.c index 6813e316e9ff..2f80bc7e44fb 100644 --- a/drivers/tty/serial/etraxfs-uart.c +++ b/drivers/tty/serial/etraxfs-uart.c @@ -894,7 +894,7 @@ static int etraxfs_uart_probe(struct platform_device *pdev) up->regi_ser = of_iomap(np, 0); up->port.dev = &pdev->dev; - up->gpios = mctrl_gpio_init(&pdev->dev, 0); + up->gpios = mctrl_gpio_init_noauto(&pdev->dev, 0); if (IS_ERR(up->gpios)) return PTR_ERR(up->gpios); diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c index 90ca082935f6..3d245cd3d8e6 100644 --- a/drivers/tty/tty_audit.c +++ b/drivers/tty/tty_audit.c @@ -265,7 +265,7 @@ static struct tty_audit_buf *tty_audit_buf_get(struct tty_struct *tty, * * Audit @data of @size from @tty, if necessary. */ -void tty_audit_add_data(struct tty_struct *tty, unsigned char *data, +void tty_audit_add_data(struct tty_struct *tty, const void *data, size_t size, unsigned icanon) { struct tty_audit_buf *buf; diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 0c41dbcb90b8..bcc8e1e8bb72 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1282,18 +1282,22 @@ int tty_send_xchar(struct tty_struct *tty, char ch) int was_stopped = tty->stopped; if (tty->ops->send_xchar) { + down_read(&tty->termios_rwsem); tty->ops->send_xchar(tty, ch); + up_read(&tty->termios_rwsem); return 0; } if (tty_write_lock(tty, 0) < 0) return -ERESTARTSYS; + down_read(&tty->termios_rwsem); if (was_stopped) start_tty(tty); tty->ops->write(tty, &ch, 1); if (was_stopped) stop_tty(tty); + up_read(&tty->termios_rwsem); tty_write_unlock(tty); return 0; } diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index 9c5aebfe7053..1445dd39aa62 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -1147,16 +1147,12 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file, spin_unlock_irq(&tty->flow_lock); break; case TCIOFF: - down_read(&tty->termios_rwsem); if (STOP_CHAR(tty) != __DISABLED_CHAR) retval = tty_send_xchar(tty, STOP_CHAR(tty)); - up_read(&tty->termios_rwsem); break; case TCION: - down_read(&tty->termios_rwsem); if (START_CHAR(tty) != __DISABLED_CHAR) retval = tty_send_xchar(tty, START_CHAR(tty)); - up_read(&tty->termios_rwsem); break; default: return -EINVAL; diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 5af8f1874c1a..629e3c865072 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -592,7 +592,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) /* Restart the work queue in case no characters kick it off. Safe if already running */ - schedule_work(&tty->port->buf.work); + tty_buffer_restart_work(tty->port); tty_unlock(tty); return retval; diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 6ccbf60cdd5c..5a048b7b92e8 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -84,6 +84,12 @@ struct ci_hdrc_imx_data { struct imx_usbmisc_data *usbmisc_data; bool supports_runtime_pm; bool in_lpm; + /* SoC before i.mx6 (except imx23/imx28) needs three clks */ + bool need_three_clks; + struct clk *clk_ipg; + struct clk *clk_ahb; + struct clk *clk_per; + /* --------------------------------- */ }; /* Common functions shared by usbmisc drivers */ @@ -135,6 +141,102 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev) } /* End of common functions shared by usbmisc drivers*/ +static int imx_get_clks(struct device *dev) +{ + struct ci_hdrc_imx_data *data = dev_get_drvdata(dev); + int ret = 0; + + data->clk_ipg = devm_clk_get(dev, "ipg"); + if (IS_ERR(data->clk_ipg)) { + /* If the platform only needs one clocks */ + data->clk = devm_clk_get(dev, NULL); + if (IS_ERR(data->clk)) { + ret = PTR_ERR(data->clk); + dev_err(dev, + "Failed to get clks, err=%ld,%ld\n", + PTR_ERR(data->clk), PTR_ERR(data->clk_ipg)); + return ret; + } + return ret; + } + + data->clk_ahb = devm_clk_get(dev, "ahb"); + if (IS_ERR(data->clk_ahb)) { + ret = PTR_ERR(data->clk_ahb); + dev_err(dev, + "Failed to get ahb clock, err=%d\n", ret); + return ret; + } + + data->clk_per = devm_clk_get(dev, "per"); + if (IS_ERR(data->clk_per)) { + ret = PTR_ERR(data->clk_per); + dev_err(dev, + "Failed to get per clock, err=%d\n", ret); + return ret; + } + + data->need_three_clks = true; + return ret; +} + +static int imx_prepare_enable_clks(struct device *dev) +{ + struct ci_hdrc_imx_data *data = dev_get_drvdata(dev); + int ret = 0; + + if (data->need_three_clks) { + ret = clk_prepare_enable(data->clk_ipg); + if (ret) { + dev_err(dev, + "Failed to prepare/enable ipg clk, err=%d\n", + ret); + return ret; + } + + ret = clk_prepare_enable(data->clk_ahb); + if (ret) { + dev_err(dev, + "Failed to prepare/enable ahb clk, err=%d\n", + ret); + clk_disable_unprepare(data->clk_ipg); + return ret; + } + + ret = clk_prepare_enable(data->clk_per); + if (ret) { + dev_err(dev, + "Failed to prepare/enable per clk, err=%d\n", + ret); + clk_disable_unprepare(data->clk_ahb); + clk_disable_unprepare(data->clk_ipg); + return ret; + } + } else { + ret = clk_prepare_enable(data->clk); + if (ret) { + dev_err(dev, + "Failed to prepare/enable clk, err=%d\n", + ret); + return ret; + } + } + + return ret; +} + +static void imx_disable_unprepare_clks(struct device *dev) +{ + struct ci_hdrc_imx_data *data = dev_get_drvdata(dev); + + if (data->need_three_clks) { + clk_disable_unprepare(data->clk_per); + clk_disable_unprepare(data->clk_ahb); + clk_disable_unprepare(data->clk_ipg); + } else { + clk_disable_unprepare(data->clk); + } +} static int ci_hdrc_imx_probe(struct platform_device *pdev) { @@ -145,31 +247,31 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) .flags = CI_HDRC_SET_NON_ZERO_TTHA, }; int ret; - const struct of_device_id *of_id = - of_match_device(ci_hdrc_imx_dt_ids, &pdev->dev); - const struct ci_hdrc_imx_platform_flag *imx_platform_flag = of_id->data; + const struct of_device_id *of_id; + const struct ci_hdrc_imx_platform_flag *imx_platform_flag; + + of_id = of_match_device(ci_hdrc_imx_dt_ids, &pdev->dev); + if (!of_id) + return -ENODEV; + + imx_platform_flag = of_id->data; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; + platform_set_drvdata(pdev, data); data->usbmisc_data = usbmisc_get_init_data(&pdev->dev); if (IS_ERR(data->usbmisc_data)) return PTR_ERR(data->usbmisc_data); - data->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(data->clk)) { - dev_err(&pdev->dev, - "Failed to get clock, err=%ld\n", PTR_ERR(data->clk)); - return PTR_ERR(data->clk); - } + ret = imx_get_clks(&pdev->dev); + if (ret) + return ret; - ret = clk_prepare_enable(data->clk); - if (ret) { - dev_err(&pdev->dev, - "Failed to prepare or enable clock, err=%d\n", ret); + ret = imx_prepare_enable_clks(&pdev->dev); + if (ret) return ret; - } data->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0); if (IS_ERR(data->phy)) { @@ -212,8 +314,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) goto disable_device; } - platform_set_drvdata(pdev, data); - if (data->supports_runtime_pm) { pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); @@ -226,7 +326,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) disable_device: ci_hdrc_remove_device(data->ci_pdev); err_clk: - clk_disable_unprepare(data->clk); + imx_disable_unprepare_clks(&pdev->dev); return ret; } @@ -240,7 +340,7 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev) pm_runtime_put_noidle(&pdev->dev); } ci_hdrc_remove_device(data->ci_pdev); - clk_disable_unprepare(data->clk); + imx_disable_unprepare_clks(&pdev->dev); return 0; } @@ -252,7 +352,7 @@ static int imx_controller_suspend(struct device *dev) dev_dbg(dev, "at %s\n", __func__); - clk_disable_unprepare(data->clk); + imx_disable_unprepare_clks(dev); data->in_lpm = true; return 0; @@ -270,7 +370,7 @@ static int imx_controller_resume(struct device *dev) return 0; } - ret = clk_prepare_enable(data->clk); + ret = imx_prepare_enable_clks(dev); if (ret) return ret; @@ -285,7 +385,7 @@ static int imx_controller_resume(struct device *dev) return 0; clk_disable: - clk_disable_unprepare(data->clk); + imx_disable_unprepare_clks(dev); return ret; } diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index 080b7be3daf0..58c8485a0715 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -322,8 +322,10 @@ static ssize_t ci_role_write(struct file *file, const char __user *ubuf, return -EINVAL; pm_runtime_get_sync(ci->dev); + disable_irq(ci->irq); ci_role_stop(ci); ret = ci_role_start(ci, role); + enable_irq(ci->irq); pm_runtime_put_sync(ci->dev); return ret ? ret : count; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 8223fe73ea85..391a1225b0ba 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1751,6 +1751,22 @@ static int ci_udc_start(struct usb_gadget *gadget, return retval; } +static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci) +{ + if (!ci_otg_is_fsm_mode(ci)) + return; + + mutex_lock(&ci->fsm.lock); + if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) { + ci->fsm.a_bidl_adis_tmout = 1; + ci_hdrc_otg_fsm_start(ci); + } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) { + ci->fsm.protocol = PROTO_UNDEF; + ci->fsm.otg->state = OTG_STATE_UNDEFINED; + } + mutex_unlock(&ci->fsm.lock); +} + /** * ci_udc_stop: unregister a gadget driver */ @@ -1775,6 +1791,7 @@ static int ci_udc_stop(struct usb_gadget *gadget) ci->driver = NULL; spin_unlock_irqrestore(&ci->lock, flags); + ci_udc_stop_for_otg_fsm(ci); return 0; } diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index fcea4eb36eee..ab8b027e8cc8 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -500,7 +500,11 @@ static int usbmisc_imx_probe(struct platform_device *pdev) { struct resource *res; struct imx_usbmisc *data; - struct of_device_id *tmp_dev; + const struct of_device_id *of_id; + + of_id = of_match_device(usbmisc_imx_dt_ids, &pdev->dev); + if (!of_id) + return -ENODEV; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) @@ -513,9 +517,7 @@ static int usbmisc_imx_probe(struct platform_device *pdev) if (IS_ERR(data->base)) return PTR_ERR(data->base); - tmp_dev = (struct of_device_id *) - of_match_device(usbmisc_imx_dt_ids, &pdev->dev); - data->ops = (const struct usbmisc_ops *)tmp_dev->data; + data->ops = (const struct usbmisc_ops *)of_id->data; platform_set_drvdata(pdev, data); return 0; diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 433bbc34a8a4..071964c7847f 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -884,11 +884,11 @@ static int usblp_wwait(struct usblp *usblp, int nonblock) add_wait_queue(&usblp->wwait, &waita); for (;;) { - set_current_state(TASK_INTERRUPTIBLE); if (mutex_lock_interruptible(&usblp->mut)) { rc = -EINTR; break; } + set_current_state(TASK_INTERRUPTIBLE); rc = usblp_wtest(usblp, nonblock); mutex_unlock(&usblp->mut); if (rc <= 0) diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig index a99c89e78126..dd280108758f 100644 --- a/drivers/usb/core/Kconfig +++ b/drivers/usb/core/Kconfig @@ -77,8 +77,7 @@ config USB_OTG_BLACKLIST_HUB config USB_OTG_FSM tristate "USB 2.0 OTG FSM implementation" - depends on USB - select USB_OTG + depends on USB && USB_OTG select USB_PHY help Implements OTG Finite State Machine as specified in On-The-Go diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index e79baf73c234..571c21727ff9 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -324,12 +324,13 @@ void dwc2_hcd_disconnect(struct dwc2_hsotg *hsotg) */ static void dwc2_hcd_rem_wakeup(struct dwc2_hsotg *hsotg) { - if (hsotg->lx_state == DWC2_L2) { + if (hsotg->bus_suspended) { hsotg->flags.b.port_suspend_change = 1; usb_hcd_resume_root_hub(hsotg->priv); - } else { - hsotg->flags.b.port_l1_change = 1; } + + if (hsotg->lx_state == DWC2_L1) + hsotg->flags.b.port_l1_change = 1; } /** @@ -1428,8 +1429,8 @@ static void dwc2_wakeup_detected(unsigned long data) dev_dbg(hsotg->dev, "Clear Resume: HPRT0=%0x\n", dwc2_readl(hsotg->regs + HPRT0)); - hsotg->bus_suspended = 0; dwc2_hcd_rem_wakeup(hsotg); + hsotg->bus_suspended = 0; /* Change to L0 state */ hsotg->lx_state = DWC2_L0; diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 5859b0fa19ee..e61d773cf65e 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -108,7 +108,8 @@ static const struct dwc2_core_params params_rk3066 = { .host_ls_low_power_phy_clk = -1, .ts_dline = -1, .reload_ctl = -1, - .ahbcfg = 0x7, /* INCR16 */ + .ahbcfg = GAHBCFG_HBSTLEN_INCR16 << + GAHBCFG_HBSTLEN_SHIFT, .uframe_sched = -1, .external_id_pin_ctl = -1, .hibernation = -1, diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 77a622cb48ab..009d83048c8c 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -34,6 +34,8 @@ #define PCI_DEVICE_ID_INTEL_BSW 0x22b7 #define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30 #define PCI_DEVICE_ID_INTEL_SPTH 0xa130 +#define PCI_DEVICE_ID_INTEL_BXT 0x0aaa +#define PCI_DEVICE_ID_INTEL_APL 0x5aaa static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; @@ -210,6 +212,8 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, { } /* Terminating Entry */ }; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 55ba447fdf8b..e24a01cc98df 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2744,12 +2744,34 @@ int dwc3_gadget_init(struct dwc3 *dwc) } dwc->gadget.ops = &dwc3_gadget_ops; - dwc->gadget.max_speed = USB_SPEED_SUPER; dwc->gadget.speed = USB_SPEED_UNKNOWN; dwc->gadget.sg_supported = true; dwc->gadget.name = "dwc3-gadget"; /* + * FIXME We might be setting max_speed to <SUPER, however versions + * <2.20a of dwc3 have an issue with metastability (documented + * elsewhere in this driver) which tells us we can't set max speed to + * anything lower than SUPER. + * + * Because gadget.max_speed is only used by composite.c and function + * drivers (i.e. it won't go into dwc3's registers) we are allowing this + * to happen so we avoid sending SuperSpeed Capability descriptor + * together with our BOS descriptor as that could confuse host into + * thinking we can handle super speed. + * + * Note that, in fact, we won't even support GetBOS requests when speed + * is less than super speed because we don't have means, yet, to tell + * composite.c that we are USB 2.0 + LPM ECN. + */ + if (dwc->revision < DWC3_REVISION_220A) + dwc3_trace(trace_dwc3_gadget, + "Changing max_speed on rev %08x\n", + dwc->revision); + + dwc->gadget.max_speed = dwc->maximum_speed; + + /* * Per databook, DWC3 needs buffer size to be aligned to MaxPacketSize * on ep out. */ diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c index 23933bdf2d9d..ddc3aad886b7 100644 --- a/drivers/usb/gadget/function/f_loopback.c +++ b/drivers/usb/gadget/function/f_loopback.c @@ -329,7 +329,7 @@ static int alloc_requests(struct usb_composite_dev *cdev, for (i = 0; i < loop->qlen && result == 0; i++) { result = -ENOMEM; - in_req = usb_ep_alloc_request(loop->in_ep, GFP_KERNEL); + in_req = usb_ep_alloc_request(loop->in_ep, GFP_ATOMIC); if (!in_req) goto fail; diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index f0f2b066ac08..f92f5aff0dd5 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -1633,7 +1633,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) spin_lock(&udc->lock); int_enb = usba_int_enb_get(udc); - status = usba_readl(udc, INT_STA) & int_enb; + status = usba_readl(udc, INT_STA) & (int_enb | USBA_HIGH_SPEED); DBG(DBG_INT, "irq, status=%#08x\n", status); if (status & USBA_DET_SUSPEND) { diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 5d2d7e954bd4..0230965fb78c 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -782,12 +782,15 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, status |= USB_PORT_STAT_SUSPEND; } } - if ((raw_port_status & PORT_PLS_MASK) == XDEV_U0 - && (raw_port_status & PORT_POWER) - && (bus_state->suspended_ports & (1 << wIndex))) { - bus_state->suspended_ports &= ~(1 << wIndex); - if (hcd->speed < HCD_USB3) - bus_state->port_c_suspend |= 1 << wIndex; + if ((raw_port_status & PORT_PLS_MASK) == XDEV_U0 && + (raw_port_status & PORT_POWER)) { + if (bus_state->suspended_ports & (1 << wIndex)) { + bus_state->suspended_ports &= ~(1 << wIndex); + if (hcd->speed < HCD_USB3) + bus_state->port_c_suspend |= 1 << wIndex; + } + bus_state->resume_done[wIndex] = 0; + clear_bit(wIndex, &bus_state->resuming_ports); } if (raw_port_status & PORT_CONNECT) { status |= USB_PORT_STAT_CONNECTION; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index fa836251ca21..6c5e8133cf87 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -3896,28 +3896,6 @@ cleanup: return ret; } -static int ep_ring_is_processing(struct xhci_hcd *xhci, - int slot_id, unsigned int ep_index) -{ - struct xhci_virt_device *xdev; - struct xhci_ring *ep_ring; - struct xhci_ep_ctx *ep_ctx; - struct xhci_virt_ep *xep; - dma_addr_t hw_deq; - - xdev = xhci->devs[slot_id]; - xep = &xhci->devs[slot_id]->eps[ep_index]; - ep_ring = xep->ring; - ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); - - if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) != EP_STATE_RUNNING) - return 0; - - hw_deq = le64_to_cpu(ep_ctx->deq) & ~EP_CTX_CYCLE_MASK; - return (hw_deq != - xhci_trb_virt_to_dma(ep_ring->enq_seg, ep_ring->enqueue)); -} - /* * Check transfer ring to guarantee there is enough room for the urb. * Update ISO URB start_frame and interval. @@ -3983,10 +3961,12 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags, } /* Calculate the start frame and put it in urb->start_frame. */ - if (HCC_CFC(xhci->hcc_params) && - ep_ring_is_processing(xhci, slot_id, ep_index)) { - urb->start_frame = xep->next_frame_id; - goto skip_start_over; + if (HCC_CFC(xhci->hcc_params) && !list_empty(&ep_ring->td_list)) { + if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) == + EP_STATE_RUNNING) { + urb->start_frame = xep->next_frame_id; + goto skip_start_over; + } } start_frame = readl(&xhci->run_regs->microframe_index); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 6e7dc6f93978..dfa44d3e8eee 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -175,6 +175,16 @@ int xhci_reset(struct xhci_hcd *xhci) command |= CMD_RESET; writel(command, &xhci->op_regs->command); + /* Existing Intel xHCI controllers require a delay of 1 mS, + * after setting the CMD_RESET bit, and before accessing any + * HC registers. This allows the HC to complete the + * reset operation and be ready for HC register access. + * Without this delay, the subsequent HC register access, + * may result in a system hang very rarely. + */ + if (xhci->quirks & XHCI_INTEL_HOST) + udelay(1000); + ret = xhci_handshake(&xhci->op_regs->command, CMD_RESET, 0, 10 * 1000 * 1000); if (ret) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index ba13529cbd52..18cfc0a361cb 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -132,7 +132,7 @@ static inline struct musb *dev_to_musb(struct device *dev) /*-------------------------------------------------------------------------*/ #ifndef CONFIG_BLACKFIN -static int musb_ulpi_read(struct usb_phy *phy, u32 offset) +static int musb_ulpi_read(struct usb_phy *phy, u32 reg) { void __iomem *addr = phy->io_priv; int i = 0; @@ -151,7 +151,7 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset) * ULPICarKitControlDisableUTMI after clearing POWER_SUSPENDM. */ - musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset); + musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg); musb_writeb(addr, MUSB_ULPI_REG_CONTROL, MUSB_ULPI_REG_REQ | MUSB_ULPI_RDN_WR); @@ -176,7 +176,7 @@ out: return ret; } -static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data) +static int musb_ulpi_write(struct usb_phy *phy, u32 val, u32 reg) { void __iomem *addr = phy->io_priv; int i = 0; @@ -191,8 +191,8 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data) power &= ~MUSB_POWER_SUSPENDM; musb_writeb(addr, MUSB_POWER, power); - musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset); - musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)data); + musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg); + musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)val); musb_writeb(addr, MUSB_ULPI_REG_CONTROL, MUSB_ULPI_REG_REQ); while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL) @@ -1668,7 +1668,7 @@ EXPORT_SYMBOL_GPL(musb_interrupt); static bool use_dma = 1; /* "modprobe ... use_dma=0" etc */ -module_param(use_dma, bool, 0); +module_param(use_dma, bool, 0644); MODULE_PARM_DESC(use_dma, "enable/disable use of DMA"); void musb_dma_completion(struct musb *musb, u8 epnum, u8 transmit) diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 26c65e66cc0f..795a45b1b25b 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -112,22 +112,32 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep) struct musb *musb = ep->musb; void __iomem *epio = ep->regs; u16 csr; - u16 lastcsr = 0; int retries = 1000; csr = musb_readw(epio, MUSB_TXCSR); while (csr & MUSB_TXCSR_FIFONOTEMPTY) { - if (csr != lastcsr) - dev_dbg(musb->controller, "Host TX FIFONOTEMPTY csr: %02x\n", csr); - lastcsr = csr; csr |= MUSB_TXCSR_FLUSHFIFO | MUSB_TXCSR_TXPKTRDY; musb_writew(epio, MUSB_TXCSR, csr); csr = musb_readw(epio, MUSB_TXCSR); - if (WARN(retries-- < 1, + + /* + * FIXME: sometimes the tx fifo flush failed, it has been + * observed during device disconnect on AM335x. + * + * To reproduce the issue, ensure tx urb(s) are queued when + * unplug the usb device which is connected to AM335x usb + * host port. + * + * I found using a usb-ethernet device and running iperf + * (client on AM335x) has very high chance to trigger it. + * + * Better to turn on dev_dbg() in musb_cleanup_urb() with + * CPPI enabled to see the issue when aborting the tx channel. + */ + if (dev_WARN_ONCE(musb->controller, retries-- < 1, "Could not flush host TX%d fifo: csr: %04x\n", ep->epnum, csr)) return; - mdelay(1); } } diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index 173132416170..22e8ecb6bfbd 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -21,7 +21,6 @@ config AB8500_USB config FSL_USB2_OTG bool "Freescale USB OTG Transceiver Driver" depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM && PM - select USB_OTG select USB_PHY help Enable this to support Freescale USB OTG transceiver. @@ -168,8 +167,7 @@ config USB_QCOM_8X16_PHY config USB_MV_OTG tristate "Marvell USB OTG support" - depends on USB_EHCI_MV && USB_MV_UDC && PM - select USB_OTG + depends on USB_EHCI_MV && USB_MV_UDC && PM && USB_OTG select USB_PHY help Say Y here if you want to build Marvell USB OTG transciever diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index 4d863ebc117c..b7536af777ab 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -452,10 +452,13 @@ static int mxs_phy_probe(struct platform_device *pdev) struct clk *clk; struct mxs_phy *mxs_phy; int ret; - const struct of_device_id *of_id = - of_match_device(mxs_phy_dt_ids, &pdev->dev); + const struct of_device_id *of_id; struct device_node *np = pdev->dev.of_node; + of_id = of_match_device(mxs_phy_dt_ids, &pdev->dev); + if (!of_id) + return -ENODEV; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) diff --git a/drivers/usb/phy/phy-omap-otg.c b/drivers/usb/phy/phy-omap-otg.c index 1270906ccb95..c4bf2de6d14e 100644 --- a/drivers/usb/phy/phy-omap-otg.c +++ b/drivers/usb/phy/phy-omap-otg.c @@ -105,7 +105,6 @@ static int omap_otg_probe(struct platform_device *pdev) extcon = extcon_get_extcon_dev(config->extcon); if (!extcon) return -EPROBE_DEFER; - otg_dev->extcon = extcon; otg_dev = devm_kzalloc(&pdev->dev, sizeof(*otg_dev), GFP_KERNEL); if (!otg_dev) @@ -115,6 +114,7 @@ static int omap_otg_probe(struct platform_device *pdev) if (IS_ERR(otg_dev->base)) return PTR_ERR(otg_dev->base); + otg_dev->extcon = extcon; otg_dev->id_nb.notifier_call = omap_otg_id_notifier; otg_dev->vbus_nb.notifier_call = omap_otg_vbus_notifier; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 685fef71d3d1..f2280606b73c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -161,6 +161,7 @@ static void option_instat_callback(struct urb *urb); #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001 #define NOVATELWIRELESS_PRODUCT_E362 0x9010 #define NOVATELWIRELESS_PRODUCT_E371 0x9011 +#define NOVATELWIRELESS_PRODUCT_U620L 0x9022 #define NOVATELWIRELESS_PRODUCT_G2 0xA010 #define NOVATELWIRELESS_PRODUCT_MC551 0xB001 @@ -354,6 +355,7 @@ static void option_instat_callback(struct urb *urb); /* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick * * It seems to contain a Qualcomm QSC6240/6290 chipset */ #define FOUR_G_SYSTEMS_PRODUCT_W14 0x9603 +#define FOUR_G_SYSTEMS_PRODUCT_W100 0x9b01 /* iBall 3.5G connect wireless modem */ #define IBALL_3_5G_CONNECT 0x9605 @@ -519,6 +521,11 @@ static const struct option_blacklist_info four_g_w14_blacklist = { .sendsetup = BIT(0) | BIT(1), }; +static const struct option_blacklist_info four_g_w100_blacklist = { + .sendsetup = BIT(1) | BIT(2), + .reserved = BIT(3), +}; + static const struct option_blacklist_info alcatel_x200_blacklist = { .sendsetup = BIT(0) | BIT(1), .reserved = BIT(4), @@ -1052,6 +1059,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E371, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U620L, 0xff, 0x00, 0x00) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) }, @@ -1641,6 +1649,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), .driver_info = (kernel_ulong_t)&four_g_w14_blacklist }, + { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W100), + .driver_info = (kernel_ulong_t)&four_g_w100_blacklist + }, { USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) }, diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 5022fcfa0260..9919d2a9faf2 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -22,6 +22,8 @@ #define DRIVER_AUTHOR "Qualcomm Inc" #define DRIVER_DESC "Qualcomm USB Serial driver" +#define QUECTEL_EC20_PID 0x9215 + /* standard device layouts supported by this driver */ enum qcserial_layouts { QCSERIAL_G2K = 0, /* Gobi 2000 */ @@ -171,6 +173,38 @@ static const struct usb_device_id id_table[] = { }; MODULE_DEVICE_TABLE(usb, id_table); +static int handle_quectel_ec20(struct device *dev, int ifnum) +{ + int altsetting = 0; + + /* + * Quectel EC20 Mini PCIe LTE module layout: + * 0: DM/DIAG (use libqcdm from ModemManager for communication) + * 1: NMEA + * 2: AT-capable modem port + * 3: Modem interface + * 4: NDIS + */ + switch (ifnum) { + case 0: + dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n"); + break; + case 1: + dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n"); + break; + case 2: + case 3: + dev_dbg(dev, "Quectel EC20 Modem port found\n"); + break; + case 4: + /* Don't claim the QMI/net interface */ + altsetting = -1; + break; + } + + return altsetting; +} + static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) { struct usb_host_interface *intf = serial->interface->cur_altsetting; @@ -181,6 +215,10 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) int altsetting = -1; bool sendsetup = false; + /* we only support vendor specific functions */ + if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC) + goto done; + nintf = serial->dev->actconfig->desc.bNumInterfaces; dev_dbg(dev, "Num Interfaces = %d\n", nintf); ifnum = intf->desc.bInterfaceNumber; @@ -240,6 +278,12 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) altsetting = -1; break; case QCSERIAL_G2K: + /* handle non-standard layouts */ + if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) { + altsetting = handle_quectel_ec20(dev, ifnum); + goto done; + } + /* * Gobi 2K+ USB layout: * 0: QMI/net @@ -301,29 +345,39 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) break; case QCSERIAL_HWI: /* - * Huawei layout: - * 0: AT-capable modem port - * 1: DM/DIAG - * 2: AT-capable modem port - * 3: CCID-compatible PCSC interface - * 4: QMI/net - * 5: NMEA + * Huawei devices map functions by subclass + protocol + * instead of interface numbers. The protocol identify + * a specific function, while the subclass indicate a + * specific firmware source + * + * This is a blacklist of functions known to be + * non-serial. The rest are assumed to be serial and + * will be handled by this driver */ - switch (ifnum) { - case 0: - case 2: - dev_dbg(dev, "Modem port found\n"); - break; - case 1: - dev_dbg(dev, "DM/DIAG interface found\n"); - break; - case 5: - dev_dbg(dev, "NMEA GPS interface found\n"); - break; - default: - /* don't claim any unsupported interface */ + switch (intf->desc.bInterfaceProtocol) { + /* QMI combined (qmi_wwan) */ + case 0x07: + case 0x37: + case 0x67: + /* QMI data (qmi_wwan) */ + case 0x08: + case 0x38: + case 0x68: + /* QMI control (qmi_wwan) */ + case 0x09: + case 0x39: + case 0x69: + /* NCM like (huawei_cdc_ncm) */ + case 0x16: + case 0x46: + case 0x76: altsetting = -1; break; + default: + dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n", + intf->desc.bInterfaceClass, + intf->desc.bInterfaceSubClass, + intf->desc.bInterfaceProtocol); } break; default: diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index e9da41d9fe7f..2694df2f4559 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -159,6 +159,7 @@ static const struct usb_device_id ti_id_table_3410[] = { { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STEREO_PLUG_ID) }, { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) }, { USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) }, + { USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) }, { } /* terminator */ }; @@ -191,6 +192,7 @@ static const struct usb_device_id ti_id_table_combined[] = { { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) }, { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) }, { USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) }, + { USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) }, { } /* terminator */ }; diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h index 4a2423e84d55..98f35c656c02 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.h +++ b/drivers/usb/serial/ti_usb_3410_5052.h @@ -56,6 +56,10 @@ #define ABBOTT_PRODUCT_ID ABBOTT_STEREO_PLUG_ID #define ABBOTT_STRIP_PORT_ID 0x3420 +/* Honeywell vendor and product IDs */ +#define HONEYWELL_VENDOR_ID 0x10ac +#define HONEYWELL_HGI80_PRODUCT_ID 0x0102 /* Honeywell HGI80 */ + /* Commands */ #define TI_GET_VERSION 0x01 #define TI_GET_PORT_STATUS 0x02 diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 7a8a6c6952e9..1c427beffadd 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -446,7 +446,7 @@ config MAX63XX_WATCHDOG config IMX2_WDT tristate "IMX2+ Watchdog" - depends on ARCH_MXC + depends on ARCH_MXC || ARCH_LAYERSCAPE select REGMAP_MMIO select WATCHDOG_CORE help diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 6ad9df948711..b751f43d76ed 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -123,6 +123,7 @@ static int mtk_wdt_stop(struct watchdog_device *wdt_dev) reg = readl(wdt_base + WDT_MODE); reg &= ~WDT_MODE_EN; + reg |= WDT_MODE_KEY; iowrite32(reg, wdt_base + WDT_MODE); return 0; diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index d96bee017fd3..6f17c935a6cf 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -205,7 +205,7 @@ static int omap_wdt_set_timeout(struct watchdog_device *wdog, static unsigned int omap_wdt_get_timeleft(struct watchdog_device *wdog) { - struct omap_wdt_dev *wdev = watchdog_get_drvdata(wdog); + struct omap_wdt_dev *wdev = to_omap_wdt_dev(wdog); void __iomem *base = wdev->base; u32 value; diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c index 4224b3ec83a5..313cd1c6fda0 100644 --- a/drivers/watchdog/pnx4008_wdt.c +++ b/drivers/watchdog/pnx4008_wdt.c @@ -80,7 +80,7 @@ static unsigned int heartbeat = DEFAULT_HEARTBEAT; static DEFINE_SPINLOCK(io_lock); static void __iomem *wdt_base; -struct clk *wdt_clk; +static struct clk *wdt_clk; static int pnx4008_wdt_start(struct watchdog_device *wdd) { @@ -161,7 +161,7 @@ static int pnx4008_wdt_probe(struct platform_device *pdev) if (IS_ERR(wdt_clk)) return PTR_ERR(wdt_clk); - ret = clk_enable(wdt_clk); + ret = clk_prepare_enable(wdt_clk); if (ret) return ret; @@ -184,7 +184,7 @@ static int pnx4008_wdt_probe(struct platform_device *pdev) return 0; disable_clk: - clk_disable(wdt_clk); + clk_disable_unprepare(wdt_clk); return ret; } @@ -192,7 +192,7 @@ static int pnx4008_wdt_remove(struct platform_device *pdev) { watchdog_unregister_device(&pnx4008_wdd); - clk_disable(wdt_clk); + clk_disable_unprepare(wdt_clk); return 0; } diff --git a/drivers/watchdog/tegra_wdt.c b/drivers/watchdog/tegra_wdt.c index 7f97cdd53f29..9ec57608da82 100644 --- a/drivers/watchdog/tegra_wdt.c +++ b/drivers/watchdog/tegra_wdt.c @@ -140,8 +140,10 @@ static int tegra_wdt_set_timeout(struct watchdog_device *wdd, { wdd->timeout = timeout; - if (watchdog_active(wdd)) + if (watchdog_active(wdd)) { + tegra_wdt_stop(wdd); return tegra_wdt_start(wdd); + } return 0; } diff --git a/drivers/watchdog/w83977f_wdt.c b/drivers/watchdog/w83977f_wdt.c index 91bf55a20024..20e2bba10400 100644 --- a/drivers/watchdog/w83977f_wdt.c +++ b/drivers/watchdog/w83977f_wdt.c @@ -224,7 +224,7 @@ static int wdt_keepalive(void) static int wdt_set_timeout(int t) { - int tmrval; + unsigned int tmrval; /* * Convert seconds to watchdog counter time units, rounding up. diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 849500e4e14d..524c22146429 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -39,6 +39,7 @@ #include <asm/irq.h> #include <asm/idle.h> #include <asm/io_apic.h> +#include <asm/i8259.h> #include <asm/xen/pci.h> #endif #include <asm/sync_bitops.h> @@ -420,7 +421,7 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi) return xen_allocate_irq_dynamic(); /* Legacy IRQ descriptors are already allocated by the arch. */ - if (gsi < NR_IRQS_LEGACY) + if (gsi < nr_legacy_irqs()) irq = gsi; else irq = irq_alloc_desc_at(gsi, -1); @@ -446,7 +447,7 @@ static void xen_free_irq(unsigned irq) kfree(info); /* Legacy IRQ descriptors are managed by the arch. */ - if (irq < NR_IRQS_LEGACY) + if (irq < nr_legacy_irqs()) return; irq_free_desc(irq); diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index 00f40f051d95..38272ad24551 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -49,6 +49,8 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/cpu.h> +#include <linux/mm.h> +#include <linux/vmalloc.h> #include <xen/xen.h> #include <xen/events.h> @@ -58,10 +60,10 @@ struct per_user_data { struct mutex bind_mutex; /* serialize bind/unbind operations */ struct rb_root evtchns; + unsigned int nr_evtchns; /* Notification ring, accessed via /dev/xen/evtchn. */ -#define EVTCHN_RING_SIZE (PAGE_SIZE / sizeof(evtchn_port_t)) -#define EVTCHN_RING_MASK(_i) ((_i)&(EVTCHN_RING_SIZE-1)) + unsigned int ring_size; evtchn_port_t *ring; unsigned int ring_cons, ring_prod, ring_overflow; struct mutex ring_cons_mutex; /* protect against concurrent readers */ @@ -80,10 +82,41 @@ struct user_evtchn { bool enabled; }; +static evtchn_port_t *evtchn_alloc_ring(unsigned int size) +{ + evtchn_port_t *ring; + size_t s = size * sizeof(*ring); + + ring = kmalloc(s, GFP_KERNEL); + if (!ring) + ring = vmalloc(s); + + return ring; +} + +static void evtchn_free_ring(evtchn_port_t *ring) +{ + kvfree(ring); +} + +static unsigned int evtchn_ring_offset(struct per_user_data *u, + unsigned int idx) +{ + return idx & (u->ring_size - 1); +} + +static evtchn_port_t *evtchn_ring_entry(struct per_user_data *u, + unsigned int idx) +{ + return u->ring + evtchn_ring_offset(u, idx); +} + static int add_evtchn(struct per_user_data *u, struct user_evtchn *evtchn) { struct rb_node **new = &(u->evtchns.rb_node), *parent = NULL; + u->nr_evtchns++; + while (*new) { struct user_evtchn *this; @@ -107,6 +140,7 @@ static int add_evtchn(struct per_user_data *u, struct user_evtchn *evtchn) static void del_evtchn(struct per_user_data *u, struct user_evtchn *evtchn) { + u->nr_evtchns--; rb_erase(&evtchn->node, &u->evtchns); kfree(evtchn); } @@ -144,8 +178,8 @@ static irqreturn_t evtchn_interrupt(int irq, void *data) spin_lock(&u->ring_prod_lock); - if ((u->ring_prod - u->ring_cons) < EVTCHN_RING_SIZE) { - u->ring[EVTCHN_RING_MASK(u->ring_prod)] = evtchn->port; + if ((u->ring_prod - u->ring_cons) < u->ring_size) { + *evtchn_ring_entry(u, u->ring_prod) = evtchn->port; wmb(); /* Ensure ring contents visible */ if (u->ring_cons == u->ring_prod++) { wake_up_interruptible(&u->evtchn_wait); @@ -200,10 +234,10 @@ static ssize_t evtchn_read(struct file *file, char __user *buf, } /* Byte lengths of two chunks. Chunk split (if any) is at ring wrap. */ - if (((c ^ p) & EVTCHN_RING_SIZE) != 0) { - bytes1 = (EVTCHN_RING_SIZE - EVTCHN_RING_MASK(c)) * + if (((c ^ p) & u->ring_size) != 0) { + bytes1 = (u->ring_size - evtchn_ring_offset(u, c)) * sizeof(evtchn_port_t); - bytes2 = EVTCHN_RING_MASK(p) * sizeof(evtchn_port_t); + bytes2 = evtchn_ring_offset(u, p) * sizeof(evtchn_port_t); } else { bytes1 = (p - c) * sizeof(evtchn_port_t); bytes2 = 0; @@ -219,7 +253,7 @@ static ssize_t evtchn_read(struct file *file, char __user *buf, rc = -EFAULT; rmb(); /* Ensure that we see the port before we copy it. */ - if (copy_to_user(buf, &u->ring[EVTCHN_RING_MASK(c)], bytes1) || + if (copy_to_user(buf, evtchn_ring_entry(u, c), bytes1) || ((bytes2 != 0) && copy_to_user(&buf[bytes1], &u->ring[0], bytes2))) goto unlock_out; @@ -278,6 +312,66 @@ static ssize_t evtchn_write(struct file *file, const char __user *buf, return rc; } +static int evtchn_resize_ring(struct per_user_data *u) +{ + unsigned int new_size; + evtchn_port_t *new_ring, *old_ring; + unsigned int p, c; + + /* + * Ensure the ring is large enough to capture all possible + * events. i.e., one free slot for each bound event. + */ + if (u->nr_evtchns <= u->ring_size) + return 0; + + if (u->ring_size == 0) + new_size = 64; + else + new_size = 2 * u->ring_size; + + new_ring = evtchn_alloc_ring(new_size); + if (!new_ring) + return -ENOMEM; + + old_ring = u->ring; + + /* + * Access to the ring contents is serialized by either the + * prod /or/ cons lock so take both when resizing. + */ + mutex_lock(&u->ring_cons_mutex); + spin_lock_irq(&u->ring_prod_lock); + + /* + * Copy the old ring contents to the new ring. + * + * If the ring contents crosses the end of the current ring, + * it needs to be copied in two chunks. + * + * +---------+ +------------------+ + * |34567 12| -> | 1234567 | + * +-----p-c-+ +------------------+ + */ + p = evtchn_ring_offset(u, u->ring_prod); + c = evtchn_ring_offset(u, u->ring_cons); + if (p < c) { + memcpy(new_ring + c, u->ring + c, (u->ring_size - c) * sizeof(*u->ring)); + memcpy(new_ring + u->ring_size, u->ring, p * sizeof(*u->ring)); + } else + memcpy(new_ring + c, u->ring + c, (p - c) * sizeof(*u->ring)); + + u->ring = new_ring; + u->ring_size = new_size; + + spin_unlock_irq(&u->ring_prod_lock); + mutex_unlock(&u->ring_cons_mutex); + + evtchn_free_ring(old_ring); + + return 0; +} + static int evtchn_bind_to_user(struct per_user_data *u, int port) { struct user_evtchn *evtchn; @@ -305,6 +399,10 @@ static int evtchn_bind_to_user(struct per_user_data *u, int port) if (rc < 0) goto err; + rc = evtchn_resize_ring(u); + if (rc < 0) + goto err; + rc = bind_evtchn_to_irqhandler(port, evtchn_interrupt, 0, u->name, evtchn); if (rc < 0) @@ -503,13 +601,6 @@ static int evtchn_open(struct inode *inode, struct file *filp) init_waitqueue_head(&u->evtchn_wait); - u->ring = (evtchn_port_t *)__get_free_page(GFP_KERNEL); - if (u->ring == NULL) { - kfree(u->name); - kfree(u); - return -ENOMEM; - } - mutex_init(&u->bind_mutex); mutex_init(&u->ring_cons_mutex); spin_lock_init(&u->ring_prod_lock); @@ -532,7 +623,7 @@ static int evtchn_release(struct inode *inode, struct file *filp) evtchn_unbind_from_user(u, evtchn); } - free_page((unsigned long)u->ring); + evtchn_free_ring(u->ring); kfree(u->name); kfree(u); diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 2ea0b3b2a91d..1be5dd048622 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -804,7 +804,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) vma->vm_ops = &gntdev_vmops; - vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; + vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_IO; if (use_ptemod) vma->vm_flags |= VM_DONTCOPY; diff --git a/fs/Kconfig b/fs/Kconfig index da3f32f1a4e4..6ce72d8d1ee1 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -46,6 +46,12 @@ config FS_DAX or if unsure, say N. Saying Y will increase the size of the kernel by about 5kB. +config FS_DAX_PMD + bool + default FS_DAX + depends on FS_DAX + depends on BROKEN + endif # BLOCK # Posix ACL utility routines diff --git a/fs/block_dev.c b/fs/block_dev.c index bb0dfb1c7af1..c25639e907bd 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -390,9 +390,17 @@ int bdev_read_page(struct block_device *bdev, sector_t sector, struct page *page) { const struct block_device_operations *ops = bdev->bd_disk->fops; + int result = -EOPNOTSUPP; + if (!ops->rw_page || bdev_get_integrity(bdev)) - return -EOPNOTSUPP; - return ops->rw_page(bdev, sector + get_start_sect(bdev), page, READ); + return result; + + result = blk_queue_enter(bdev->bd_queue, GFP_KERNEL); + if (result) + return result; + result = ops->rw_page(bdev, sector + get_start_sect(bdev), page, READ); + blk_queue_exit(bdev->bd_queue); + return result; } EXPORT_SYMBOL_GPL(bdev_read_page); @@ -421,14 +429,20 @@ int bdev_write_page(struct block_device *bdev, sector_t sector, int result; int rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE; const struct block_device_operations *ops = bdev->bd_disk->fops; + if (!ops->rw_page || bdev_get_integrity(bdev)) return -EOPNOTSUPP; + result = blk_queue_enter(bdev->bd_queue, GFP_KERNEL); + if (result) + return result; + set_page_writeback(page); result = ops->rw_page(bdev, sector + get_start_sect(bdev), page, rw); if (result) end_page_writeback(page); else unlock_page(page); + blk_queue_exit(bdev->bd_queue); return result; } EXPORT_SYMBOL_GPL(bdev_write_page); diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 6dcdb2ec9211..d453d62ab0c6 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -355,7 +355,7 @@ static int __resolve_indirect_ref(struct btrfs_fs_info *fs_info, index = srcu_read_lock(&fs_info->subvol_srcu); - root = btrfs_read_fs_root_no_name(fs_info, &root_key); + root = btrfs_get_fs_root(fs_info, &root_key, false); if (IS_ERR(root)) { srcu_read_unlock(&fs_info->subvol_srcu, index); ret = PTR_ERR(root); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 8c58191249cc..35489e7129a7 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3416,6 +3416,7 @@ int btrfs_cross_ref_exist(struct btrfs_trans_handle *trans, struct btrfs_block_group_cache *btrfs_lookup_block_group( struct btrfs_fs_info *info, u64 bytenr); +void btrfs_get_block_group(struct btrfs_block_group_cache *cache); void btrfs_put_block_group(struct btrfs_block_group_cache *cache); int get_block_group_index(struct btrfs_block_group_cache *cache); struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans, @@ -3479,6 +3480,9 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 bytes_used, u64 type, u64 chunk_objectid, u64 chunk_offset, u64 size); +struct btrfs_trans_handle *btrfs_start_trans_remove_block_group( + struct btrfs_fs_info *fs_info, + const u64 chunk_offset); int btrfs_remove_block_group(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 group_start, struct extent_map *em); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index acf3ed11cfb6..4b89680a1923 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -124,7 +124,7 @@ static int block_group_bits(struct btrfs_block_group_cache *cache, u64 bits) return (cache->flags & bits) == bits; } -static void btrfs_get_block_group(struct btrfs_block_group_cache *cache) +void btrfs_get_block_group(struct btrfs_block_group_cache *cache) { atomic_inc(&cache->count); } @@ -5915,19 +5915,6 @@ static int update_block_group(struct btrfs_trans_handle *trans, set_extent_dirty(info->pinned_extents, bytenr, bytenr + num_bytes - 1, GFP_NOFS | __GFP_NOFAIL); - /* - * No longer have used bytes in this block group, queue - * it for deletion. - */ - if (old_val == 0) { - spin_lock(&info->unused_bgs_lock); - if (list_empty(&cache->bg_list)) { - btrfs_get_block_group(cache); - list_add_tail(&cache->bg_list, - &info->unused_bgs); - } - spin_unlock(&info->unused_bgs_lock); - } } spin_lock(&trans->transaction->dirty_bgs_lock); @@ -5939,6 +5926,22 @@ static int update_block_group(struct btrfs_trans_handle *trans, } spin_unlock(&trans->transaction->dirty_bgs_lock); + /* + * No longer have used bytes in this block group, queue it for + * deletion. We do this after adding the block group to the + * dirty list to avoid races between cleaner kthread and space + * cache writeout. + */ + if (!alloc && old_val == 0) { + spin_lock(&info->unused_bgs_lock); + if (list_empty(&cache->bg_list)) { + btrfs_get_block_group(cache); + list_add_tail(&cache->bg_list, + &info->unused_bgs); + } + spin_unlock(&info->unused_bgs_lock); + } + btrfs_put_block_group(cache); total -= num_bytes; bytenr += num_bytes; @@ -8105,21 +8108,47 @@ reada: } /* - * TODO: Modify related function to add related node/leaf to dirty_extent_root, - * for later qgroup accounting. - * - * Current, this function does nothing. + * These may not be seen by the usual inc/dec ref code so we have to + * add them here. */ +static int record_one_subtree_extent(struct btrfs_trans_handle *trans, + struct btrfs_root *root, u64 bytenr, + u64 num_bytes) +{ + struct btrfs_qgroup_extent_record *qrecord; + struct btrfs_delayed_ref_root *delayed_refs; + + qrecord = kmalloc(sizeof(*qrecord), GFP_NOFS); + if (!qrecord) + return -ENOMEM; + + qrecord->bytenr = bytenr; + qrecord->num_bytes = num_bytes; + qrecord->old_roots = NULL; + + delayed_refs = &trans->transaction->delayed_refs; + spin_lock(&delayed_refs->lock); + if (btrfs_qgroup_insert_dirty_extent(delayed_refs, qrecord)) + kfree(qrecord); + spin_unlock(&delayed_refs->lock); + + return 0; +} + static int account_leaf_items(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *eb) { int nr = btrfs_header_nritems(eb); - int i, extent_type; + int i, extent_type, ret; struct btrfs_key key; struct btrfs_file_extent_item *fi; u64 bytenr, num_bytes; + /* We can be called directly from walk_up_proc() */ + if (!root->fs_info->quota_enabled) + return 0; + for (i = 0; i < nr; i++) { btrfs_item_key_to_cpu(eb, &key, i); @@ -8138,6 +8167,10 @@ static int account_leaf_items(struct btrfs_trans_handle *trans, continue; num_bytes = btrfs_file_extent_disk_num_bytes(eb, fi); + + ret = record_one_subtree_extent(trans, root, bytenr, num_bytes); + if (ret) + return ret; } return 0; } @@ -8206,8 +8239,6 @@ static int adjust_slots_upwards(struct btrfs_root *root, /* * root_eb is the subtree root and is locked before this function is called. - * TODO: Modify this function to mark all (including complete shared node) - * to dirty_extent_root to allow it get accounted in qgroup. */ static int account_shared_subtree(struct btrfs_trans_handle *trans, struct btrfs_root *root, @@ -8285,6 +8316,11 @@ walk_down: btrfs_tree_read_lock(eb); btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); path->locks[level] = BTRFS_READ_LOCK_BLOCKING; + + ret = record_one_subtree_extent(trans, root, child_bytenr, + root->nodesize); + if (ret) + goto out; } if (level == 0) { @@ -10256,6 +10292,47 @@ out: return ret; } +struct btrfs_trans_handle * +btrfs_start_trans_remove_block_group(struct btrfs_fs_info *fs_info, + const u64 chunk_offset) +{ + struct extent_map_tree *em_tree = &fs_info->mapping_tree.map_tree; + struct extent_map *em; + struct map_lookup *map; + unsigned int num_items; + + read_lock(&em_tree->lock); + em = lookup_extent_mapping(em_tree, chunk_offset, 1); + read_unlock(&em_tree->lock); + ASSERT(em && em->start == chunk_offset); + + /* + * We need to reserve 3 + N units from the metadata space info in order + * to remove a block group (done at btrfs_remove_chunk() and at + * btrfs_remove_block_group()), which are used for: + * + * 1 unit for adding the free space inode's orphan (located in the tree + * of tree roots). + * 1 unit for deleting the block group item (located in the extent + * tree). + * 1 unit for deleting the free space item (located in tree of tree + * roots). + * N units for deleting N device extent items corresponding to each + * stripe (located in the device tree). + * + * In order to remove a block group we also need to reserve units in the + * system space info in order to update the chunk tree (update one or + * more device items and remove one chunk item), but this is done at + * btrfs_remove_chunk() through a call to check_system_chunk(). + */ + map = (struct map_lookup *)em->bdev; + num_items = 3 + map->num_stripes; + free_extent_map(em); + + return btrfs_start_transaction_fallback_global_rsv(fs_info->extent_root, + num_items, 1); +} + /* * Process the unused_bgs list and remove any that don't have any allocated * space inside of them. @@ -10322,8 +10399,8 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) * Want to do this before we do anything else so we can recover * properly if we fail to join the transaction. */ - /* 1 for btrfs_orphan_reserve_metadata() */ - trans = btrfs_start_transaction(root, 1); + trans = btrfs_start_trans_remove_block_group(fs_info, + block_group->key.objectid); if (IS_ERR(trans)) { btrfs_dec_block_group_ro(root, block_group); ret = PTR_ERR(trans); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 977e715f0bf2..72e73461c064 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1882,8 +1882,13 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) struct btrfs_log_ctx ctx; int ret = 0; bool full_sync = 0; - const u64 len = end - start + 1; + u64 len; + /* + * The range length can be represented by u64, we have to do the typecasts + * to avoid signed overflow if it's [0, LLONG_MAX] eg. from fsync() + */ + len = (u64)end - (u64)start + 1; trace_btrfs_sync_file(file, datasync); /* @@ -2071,8 +2076,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) } } if (!full_sync) { - ret = btrfs_wait_ordered_range(inode, start, - end - start + 1); + ret = btrfs_wait_ordered_range(inode, start, len); if (ret) { btrfs_end_transaction(trans, root); goto out; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 994490d5fa64..a70c5790f8f5 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4046,9 +4046,7 @@ int btrfs_unlink_inode(struct btrfs_trans_handle *trans, */ static struct btrfs_trans_handle *__unlink_start_trans(struct inode *dir) { - struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(dir)->root; - int ret; /* * 1 for the possible orphan item @@ -4057,27 +4055,7 @@ static struct btrfs_trans_handle *__unlink_start_trans(struct inode *dir) * 1 for the inode ref * 1 for the inode */ - trans = btrfs_start_transaction(root, 5); - if (!IS_ERR(trans) || PTR_ERR(trans) != -ENOSPC) - return trans; - - if (PTR_ERR(trans) == -ENOSPC) { - u64 num_bytes = btrfs_calc_trans_metadata_size(root, 5); - - trans = btrfs_start_transaction(root, 0); - if (IS_ERR(trans)) - return trans; - ret = btrfs_cond_migrate_bytes(root->fs_info, - &root->fs_info->trans_block_rsv, - num_bytes, 5); - if (ret) { - btrfs_end_transaction(trans, root); - return ERR_PTR(ret); - } - trans->block_rsv = &root->fs_info->trans_block_rsv; - trans->bytes_reserved = num_bytes; - } - return trans; + return btrfs_start_transaction_fallback_global_rsv(root, 5, 5); } static int btrfs_unlink(struct inode *dir, struct dentry *dentry) diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 93e12c18ffd7..5279fdae7142 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -993,9 +993,10 @@ int btrfs_quota_disable(struct btrfs_trans_handle *trans, mutex_lock(&fs_info->qgroup_ioctl_lock); if (!fs_info->quota_root) goto out; - spin_lock(&fs_info->qgroup_lock); fs_info->quota_enabled = 0; fs_info->pending_quota_state = 0; + btrfs_qgroup_wait_for_completion(fs_info); + spin_lock(&fs_info->qgroup_lock); quota_root = fs_info->quota_root; fs_info->quota_root = NULL; fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_ON; @@ -1461,6 +1462,8 @@ struct btrfs_qgroup_extent_record struct btrfs_qgroup_extent_record *entry; u64 bytenr = record->bytenr; + assert_spin_locked(&delayed_refs->lock); + while (*p) { parent_node = *p; entry = rb_entry(parent_node, struct btrfs_qgroup_extent_record, diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 2907a77fb1f6..b091d94ceef6 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -3432,7 +3432,9 @@ out: static noinline_for_stack int scrub_chunk(struct scrub_ctx *sctx, struct btrfs_device *scrub_dev, u64 chunk_offset, u64 length, - u64 dev_offset, int is_dev_replace) + u64 dev_offset, + struct btrfs_block_group_cache *cache, + int is_dev_replace) { struct btrfs_mapping_tree *map_tree = &sctx->dev_root->fs_info->mapping_tree; @@ -3445,8 +3447,18 @@ static noinline_for_stack int scrub_chunk(struct scrub_ctx *sctx, em = lookup_extent_mapping(&map_tree->map_tree, chunk_offset, 1); read_unlock(&map_tree->map_tree.lock); - if (!em) - return -EINVAL; + if (!em) { + /* + * Might have been an unused block group deleted by the cleaner + * kthread or relocation. + */ + spin_lock(&cache->lock); + if (!cache->removed) + ret = -EINVAL; + spin_unlock(&cache->lock); + + return ret; + } map = (struct map_lookup *)em->bdev; if (em->start != chunk_offset) @@ -3483,6 +3495,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, u64 length; u64 chunk_offset; int ret = 0; + int ro_set; int slot; struct extent_buffer *l; struct btrfs_key key; @@ -3568,7 +3581,21 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, scrub_pause_on(fs_info); ret = btrfs_inc_block_group_ro(root, cache); scrub_pause_off(fs_info); - if (ret) { + + if (ret == 0) { + ro_set = 1; + } else if (ret == -ENOSPC) { + /* + * btrfs_inc_block_group_ro return -ENOSPC when it + * failed in creating new chunk for metadata. + * It is not a problem for scrub/replace, because + * metadata are always cowed, and our scrub paused + * commit_transactions. + */ + ro_set = 0; + } else { + btrfs_warn(fs_info, "failed setting block group ro, ret=%d\n", + ret); btrfs_put_block_group(cache); break; } @@ -3577,7 +3604,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, dev_replace->cursor_left = found_key.offset; dev_replace->item_needs_writeback = 1; ret = scrub_chunk(sctx, scrub_dev, chunk_offset, length, - found_key.offset, is_dev_replace); + found_key.offset, cache, is_dev_replace); /* * flush, submit all pending read and write bios, afterwards @@ -3611,7 +3638,30 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, scrub_pause_off(fs_info); - btrfs_dec_block_group_ro(root, cache); + if (ro_set) + btrfs_dec_block_group_ro(root, cache); + + /* + * We might have prevented the cleaner kthread from deleting + * this block group if it was already unused because we raced + * and set it to RO mode first. So add it back to the unused + * list, otherwise it might not ever be deleted unless a manual + * balance is triggered or it becomes used and unused again. + */ + spin_lock(&cache->lock); + if (!cache->removed && !cache->ro && cache->reserved == 0 && + btrfs_block_group_used(&cache->item) == 0) { + spin_unlock(&cache->lock); + spin_lock(&fs_info->unused_bgs_lock); + if (list_empty(&cache->bg_list)) { + btrfs_get_block_group(cache); + list_add_tail(&cache->bg_list, + &fs_info->unused_bgs); + } + spin_unlock(&fs_info->unused_bgs_lock); + } else { + spin_unlock(&cache->lock); + } btrfs_put_block_group(cache); if (ret) diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c index c8c3d70c31ff..8b72b005bfb9 100644 --- a/fs/btrfs/tests/free-space-tests.c +++ b/fs/btrfs/tests/free-space-tests.c @@ -898,8 +898,10 @@ int btrfs_test_free_space_cache(void) } root = btrfs_alloc_dummy_root(); - if (!root) + if (IS_ERR(root)) { + ret = PTR_ERR(root); goto out; + } root->fs_info = btrfs_alloc_dummy_fs_info(); if (!root->fs_info) diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 418c6a2ad7d8..3367a3c6f214 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -592,6 +592,38 @@ struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, return start_transaction(root, num_items, TRANS_START, BTRFS_RESERVE_FLUSH_ALL); } +struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv( + struct btrfs_root *root, + unsigned int num_items, + int min_factor) +{ + struct btrfs_trans_handle *trans; + u64 num_bytes; + int ret; + + trans = btrfs_start_transaction(root, num_items); + if (!IS_ERR(trans) || PTR_ERR(trans) != -ENOSPC) + return trans; + + trans = btrfs_start_transaction(root, 0); + if (IS_ERR(trans)) + return trans; + + num_bytes = btrfs_calc_trans_metadata_size(root, num_items); + ret = btrfs_cond_migrate_bytes(root->fs_info, + &root->fs_info->trans_block_rsv, + num_bytes, + min_factor); + if (ret) { + btrfs_end_transaction(trans, root); + return ERR_PTR(ret); + } + + trans->block_rsv = &root->fs_info->trans_block_rsv; + trans->bytes_reserved = num_bytes; + + return trans; +} struct btrfs_trans_handle *btrfs_start_transaction_lflush( struct btrfs_root *root, diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index b05b2f64d913..0da21ca9b3fb 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -185,6 +185,10 @@ int btrfs_end_transaction(struct btrfs_trans_handle *trans, struct btrfs_root *root); struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, unsigned int num_items); +struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv( + struct btrfs_root *root, + unsigned int num_items, + int min_factor); struct btrfs_trans_handle *btrfs_start_transaction_lflush( struct btrfs_root *root, unsigned int num_items); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index a6df8fdc1312..456452206609 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1973,8 +1973,7 @@ void btrfs_rm_dev_replace_remove_srcdev(struct btrfs_fs_info *fs_info, if (srcdev->writeable) { fs_devices->rw_devices--; /* zero out the old super if it is writable */ - btrfs_scratch_superblocks(srcdev->bdev, - rcu_str_deref(srcdev->name)); + btrfs_scratch_superblocks(srcdev->bdev, srcdev->name->str); } if (srcdev->bdev) @@ -2024,8 +2023,7 @@ void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info, btrfs_sysfs_rm_device_link(fs_info->fs_devices, tgtdev); if (tgtdev->bdev) { - btrfs_scratch_superblocks(tgtdev->bdev, - rcu_str_deref(tgtdev->name)); + btrfs_scratch_superblocks(tgtdev->bdev, tgtdev->name->str); fs_info->fs_devices->open_devices--; } fs_info->fs_devices->num_devices--; @@ -2853,7 +2851,8 @@ static int btrfs_relocate_chunk(struct btrfs_root *root, u64 chunk_offset) if (ret) return ret; - trans = btrfs_start_transaction(root, 0); + trans = btrfs_start_trans_remove_block_group(root->fs_info, + chunk_offset); if (IS_ERR(trans)) { ret = PTR_ERR(trans); btrfs_std_error(root->fs_info, ret, NULL); @@ -3123,7 +3122,7 @@ static int chunk_profiles_filter(u64 chunk_type, return 1; } -static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset, +static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset, struct btrfs_balance_args *bargs) { struct btrfs_block_group_cache *cache; @@ -3156,7 +3155,7 @@ static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset, return ret; } -static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info, +static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset, struct btrfs_balance_args *bargs) { struct btrfs_block_group_cache *cache; diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index ec5712372732..d5c84f6b1353 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -382,7 +382,7 @@ struct map_lookup { #define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5) #define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6) #define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7) -#define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 8) +#define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 10) #define BTRFS_BALANCE_ARGS_MASK \ (BTRFS_BALANCE_ARGS_PROFILES | \ diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index c81ce7f200a6..a7a1b218f308 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1636,6 +1636,116 @@ const struct file_operations configfs_dir_operations = { .iterate = configfs_readdir, }; +/** + * configfs_register_group - creates a parent-child relation between two groups + * @parent_group: parent group + * @group: child group + * + * link groups, creates dentry for the child and attaches it to the + * parent dentry. + * + * Return: 0 on success, negative errno code on error + */ +int configfs_register_group(struct config_group *parent_group, + struct config_group *group) +{ + struct configfs_subsystem *subsys = parent_group->cg_subsys; + struct dentry *parent; + int ret; + + mutex_lock(&subsys->su_mutex); + link_group(parent_group, group); + mutex_unlock(&subsys->su_mutex); + + parent = parent_group->cg_item.ci_dentry; + + mutex_lock_nested(&d_inode(parent)->i_mutex, I_MUTEX_PARENT); + ret = create_default_group(parent_group, group); + if (!ret) { + spin_lock(&configfs_dirent_lock); + configfs_dir_set_ready(group->cg_item.ci_dentry->d_fsdata); + spin_unlock(&configfs_dirent_lock); + } + mutex_unlock(&d_inode(parent)->i_mutex); + return ret; +} +EXPORT_SYMBOL(configfs_register_group); + +/** + * configfs_unregister_group() - unregisters a child group from its parent + * @group: parent group to be unregistered + * + * Undoes configfs_register_group() + */ +void configfs_unregister_group(struct config_group *group) +{ + struct configfs_subsystem *subsys = group->cg_subsys; + struct dentry *dentry = group->cg_item.ci_dentry; + struct dentry *parent = group->cg_item.ci_parent->ci_dentry; + + mutex_lock_nested(&d_inode(parent)->i_mutex, I_MUTEX_PARENT); + spin_lock(&configfs_dirent_lock); + configfs_detach_prep(dentry, NULL); + spin_unlock(&configfs_dirent_lock); + + configfs_detach_group(&group->cg_item); + d_inode(dentry)->i_flags |= S_DEAD; + dont_mount(dentry); + d_delete(dentry); + mutex_unlock(&d_inode(parent)->i_mutex); + + dput(dentry); + + mutex_lock(&subsys->su_mutex); + unlink_group(group); + mutex_unlock(&subsys->su_mutex); +} +EXPORT_SYMBOL(configfs_unregister_group); + +/** + * configfs_register_default_group() - allocates and registers a child group + * @parent_group: parent group + * @name: child group name + * @item_type: child item type description + * + * boilerplate to allocate and register a child group with its parent. We need + * kzalloc'ed memory because child's default_group is initially empty. + * + * Return: allocated config group or ERR_PTR() on error + */ +struct config_group * +configfs_register_default_group(struct config_group *parent_group, + const char *name, + struct config_item_type *item_type) +{ + int ret; + struct config_group *group; + + group = kzalloc(sizeof(*group), GFP_KERNEL); + if (!group) + return ERR_PTR(-ENOMEM); + config_group_init_type_name(group, name, item_type); + + ret = configfs_register_group(parent_group, group); + if (ret) { + kfree(group); + return ERR_PTR(ret); + } + return group; +} +EXPORT_SYMBOL(configfs_register_default_group); + +/** + * configfs_unregister_default_group() - unregisters and frees a child group + * @group: the group to act on + */ +void configfs_unregister_default_group(struct config_group *group) +{ + configfs_unregister_group(group); + kfree(group); +} +EXPORT_SYMBOL(configfs_unregister_default_group); + int configfs_register_subsystem(struct configfs_subsystem *subsys) { int err; @@ -541,6 +541,10 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address, unsigned long pfn; int result = 0; + /* dax pmd mappings are broken wrt gup and fork */ + if (!IS_ENABLED(CONFIG_FS_DAX_PMD)) + return VM_FAULT_FALLBACK; + /* Fall back to PTEs if we're going to COW */ if (write && !(vma->vm_flags & VM_SHARED)) return VM_FAULT_FALLBACK; diff --git a/fs/direct-io.c b/fs/direct-io.c index cb5337d8c273..1c75a3a07f8f 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -1169,6 +1169,15 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, } } + /* Once we sampled i_size check for reads beyond EOF */ + dio->i_size = i_size_read(inode); + if (iov_iter_rw(iter) == READ && offset >= dio->i_size) { + if (dio->flags & DIO_LOCKING) + mutex_unlock(&inode->i_mutex); + kmem_cache_free(dio_cache, dio); + goto out; + } + /* * For file extending writes updating i_size before data writeouts * complete can expose uninitialized blocks in dumb filesystems. @@ -1222,7 +1231,6 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, sdio.next_block_for_io = -1; dio->iocb = iocb; - dio->i_size = i_size_read(inode); spin_lock_init(&dio->bio_lock); dio->refcount = 1; diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 87e9d796cf7d..3a37bd3f9637 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -421,7 +421,7 @@ static void lowcomms_write_space(struct sock *sk) if (test_and_clear_bit(CF_APP_LIMITED, &con->flags)) { con->sock->sk->sk_write_pending--; - clear_bit(SOCK_ASYNC_NOSPACE, &con->sock->flags); + clear_bit(SOCKWQ_ASYNC_NOSPACE, &con->sock->flags); } if (!test_and_set_bit(CF_WRITE_PENDING, &con->flags)) @@ -1448,7 +1448,7 @@ static void send_to_sock(struct connection *con) msg_flags); if (ret == -EAGAIN || ret == 0) { if (ret == -EAGAIN && - test_bit(SOCK_ASYNC_NOSPACE, &con->sock->flags) && + test_bit(SOCKWQ_ASYNC_NOSPACE, &con->sock->flags) && !test_and_set_bit(CF_APP_LIMITED, &con->flags)) { /* Notify TCP that we're limited by the * application window size. diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 3a71cea68420..748d35afc902 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -569,6 +569,8 @@ static int parse_options(char *options, struct super_block *sb) /* Fall through */ case Opt_dax: #ifdef CONFIG_FS_DAX + ext2_msg(sb, KERN_WARNING, + "DAX enabled. Warning: EXPERIMENTAL, use at your own risk"); set_opt(sbi->s_mount_opt, DAX); #else ext2_msg(sb, KERN_INFO, "dax option not supported"); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 753f4e68b820..c9ab67da6e5a 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1664,8 +1664,12 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, } sbi->s_jquota_fmt = m->mount_opt; #endif -#ifndef CONFIG_FS_DAX } else if (token == Opt_dax) { +#ifdef CONFIG_FS_DAX + ext4_msg(sb, KERN_WARNING, + "DAX enabled. Warning: EXPERIMENTAL, use at your own risk"); + sbi->s_mount_opt |= m->mount_opt; +#else ext4_msg(sb, KERN_INFO, "dax option not supported"); return -1; #endif diff --git a/fs/fat/dir.c b/fs/fat/dir.c index 4afc4d9d2e41..8b2127ffb226 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -610,9 +610,9 @@ parse_record: int status = fat_parse_long(inode, &cpos, &bh, &de, &unicode, &nr_slots); if (status < 0) { - ctx->pos = cpos; + bh = NULL; ret = status; - goto out; + goto end_of_dir; } else if (status == PARSE_INVALID) goto record_end; else if (status == PARSE_NOT_LONGNAME) @@ -654,8 +654,9 @@ parse_record: fill_len = short_len; start_filldir: - if (!fake_offset) - ctx->pos = cpos - (nr_slots + 1) * sizeof(struct msdos_dir_entry); + ctx->pos = cpos - (nr_slots + 1) * sizeof(struct msdos_dir_entry); + if (fake_offset && ctx->pos < 2) + ctx->pos = 2; if (!memcmp(de->name, MSDOS_DOT, MSDOS_NAME)) { if (!dir_emit_dot(file, ctx)) @@ -681,14 +682,19 @@ record_end: fake_offset = 0; ctx->pos = cpos; goto get_new; + end_of_dir: - ctx->pos = cpos; + if (fake_offset && cpos < 2) + ctx->pos = 2; + else + ctx->pos = cpos; fill_failed: brelse(bh); if (unicode) __putname(unicode); out: mutex_unlock(&sbi->s_lock); + return ret; } diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 316adb968b65..de4bdfac0cec 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -332,12 +332,17 @@ static void remove_huge_page(struct page *page) * truncation is indicated by end of range being LLONG_MAX * In this case, we first scan the range and release found pages. * After releasing pages, hugetlb_unreserve_pages cleans up region/reserv - * maps and global counts. + * maps and global counts. Page faults can not race with truncation + * in this routine. hugetlb_no_page() prevents page faults in the + * truncated range. It checks i_size before allocation, and again after + * with the page table lock for the page held. The same lock must be + * acquired to unmap a page. * hole punch is indicated if end is not LLONG_MAX * In the hole punch case we scan the range and release found pages. * Only when releasing a page is the associated region/reserv map * deleted. The region/reserv map for ranges without associated - * pages are not modified. + * pages are not modified. Page faults can race with hole punch. + * This is indicated if we find a mapped page. * Note: If the passed end of range value is beyond the end of file, but * not LLONG_MAX this routine still performs a hole punch operation. */ @@ -361,46 +366,37 @@ static void remove_inode_hugepages(struct inode *inode, loff_t lstart, next = start; while (next < end) { /* - * Make sure to never grab more pages that we - * might possibly need. + * Don't grab more pages than the number left in the range. */ if (end - next < lookup_nr) lookup_nr = end - next; /* - * This pagevec_lookup() may return pages past 'end', - * so we must check for page->index > end. + * When no more pages are found, we are done. */ - if (!pagevec_lookup(&pvec, mapping, next, lookup_nr)) { - if (next == start) - break; - next = start; - continue; - } + if (!pagevec_lookup(&pvec, mapping, next, lookup_nr)) + break; for (i = 0; i < pagevec_count(&pvec); ++i) { struct page *page = pvec.pages[i]; u32 hash; + /* + * The page (index) could be beyond end. This is + * only possible in the punch hole case as end is + * max page offset in the truncate case. + */ + next = page->index; + if (next >= end) + break; + hash = hugetlb_fault_mutex_hash(h, current->mm, &pseudo_vma, mapping, next, 0); mutex_lock(&hugetlb_fault_mutex_table[hash]); lock_page(page); - if (page->index >= end) { - unlock_page(page); - mutex_unlock(&hugetlb_fault_mutex_table[hash]); - next = end; /* we are done */ - break; - } - - /* - * If page is mapped, it was faulted in after being - * unmapped. Do nothing in this race case. In the - * normal case page is not mapped. - */ - if (!page_mapped(page)) { + if (likely(!page_mapped(page))) { bool rsv_on_error = !PagePrivate(page); /* * We must free the huge page and remove @@ -421,17 +417,23 @@ static void remove_inode_hugepages(struct inode *inode, loff_t lstart, hugetlb_fix_reserve_counts( inode, rsv_on_error); } + } else { + /* + * If page is mapped, it was faulted in after + * being unmapped. It indicates a race between + * hole punch and page fault. Do nothing in + * this case. Getting here in a truncate + * operation is a bug. + */ + BUG_ON(truncate_op); } - if (page->index > next) - next = page->index; - - ++next; unlock_page(page); - mutex_unlock(&hugetlb_fault_mutex_table[hash]); } + ++next; huge_pagevec_release(&pvec); + cond_resched(); } if (truncate_op) @@ -647,9 +649,6 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset, if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > inode->i_size) i_size_write(inode, offset + len); inode->i_ctime = CURRENT_TIME; - spin_lock(&inode->i_lock); - inode->i_private = NULL; - spin_unlock(&inode->i_lock); out: mutex_unlock(&inode->i_mutex); return error; diff --git a/fs/namei.c b/fs/namei.c index d84d7c7515fc..0c3974cd3ecd 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1996,7 +1996,6 @@ static const char *path_init(struct nameidata *nd, unsigned flags) nd->last_type = LAST_ROOT; /* if there are only slashes... */ nd->flags = flags | LOOKUP_JUMPED | LOOKUP_PARENT; nd->depth = 0; - nd->total_link_count = 0; if (flags & LOOKUP_ROOT) { struct dentry *root = nd->root.dentry; struct inode *inode = root->d_inode; diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c index 79b113048eac..0a3f9b594602 100644 --- a/fs/ncpfs/ioctl.c +++ b/fs/ncpfs/ioctl.c @@ -525,6 +525,8 @@ static long __ncp_ioctl(struct inode *inode, unsigned int cmd, unsigned long arg switch (rqdata.cmd) { case NCP_LOCK_EX: case NCP_LOCK_SH: + if (rqdata.timeout < 0) + return -EINVAL; if (rqdata.timeout == 0) rqdata.timeout = NCP_LOCK_DEFAULT_TIMEOUT; else if (rqdata.timeout > NCP_LOCK_MAX_TIMEOUT) diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 646cdac73488..beac58b0e09c 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -78,7 +78,8 @@ static __be32 *read_buf(struct xdr_stream *xdr, int nbytes) p = xdr_inline_decode(xdr, nbytes); if (unlikely(p == NULL)) - printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed!\n"); + printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed " + "or truncated request.\n"); return p; } @@ -889,6 +890,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r struct cb_compound_hdr_arg hdr_arg = { 0 }; struct cb_compound_hdr_res hdr_res = { NULL }; struct xdr_stream xdr_in, xdr_out; + struct xdr_buf *rq_arg = &rqstp->rq_arg; __be32 *p, status; struct cb_process_state cps = { .drc_status = 0, @@ -900,7 +902,8 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r dprintk("%s: start\n", __func__); - xdr_init_decode(&xdr_in, &rqstp->rq_arg, rqstp->rq_arg.head[0].iov_base); + rq_arg->len = rq_arg->head[0].iov_len + rq_arg->page_len; + xdr_init_decode(&xdr_in, rq_arg, rq_arg->head[0].iov_base); p = (__be32*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len); xdr_init_encode(&xdr_out, &rqstp->rq_res, p); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 326d9e10d833..31b0a52223a7 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -618,7 +618,10 @@ void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, nfs_inc_stats(inode, NFSIOS_SETATTRTRUNC); nfs_vmtruncate(inode, attr->ia_size); } - nfs_update_inode(inode, fattr); + if (fattr->valid) + nfs_update_inode(inode, fattr); + else + NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR; spin_unlock(&inode->i_lock); } EXPORT_SYMBOL_GPL(nfs_setattr_update_inode); @@ -1824,7 +1827,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) if ((long)fattr->gencount - (long)nfsi->attr_gencount > 0) nfsi->attr_gencount = fattr->gencount; } - invalid &= ~NFS_INO_INVALID_ATTR; + + /* Don't declare attrcache up to date if there were no attrs! */ + if (fattr->valid != 0) + invalid &= ~NFS_INO_INVALID_ATTR; + /* Don't invalidate the data if we were to blame */ if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 3e92a3cde15d..6b1ce9825430 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -14,7 +14,7 @@ #include "pnfs.h" #include "internal.h" -#define NFSDBG_FACILITY NFSDBG_PNFS +#define NFSDBG_FACILITY NFSDBG_PROC static int nfs42_set_rw_stateid(nfs4_stateid *dst, struct file *file, fmode_t fmode) @@ -284,6 +284,7 @@ static int _nfs42_proc_clone(struct rpc_message *msg, struct file *src_f, .dst_fh = NFS_FH(dst_inode), .src_offset = src_offset, .dst_offset = dst_offset, + .count = count, .dst_bitmask = server->cache_consistency_bitmask, }; struct nfs42_clone_res res = { diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 223bedda64ae..10410e8b5853 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -33,7 +33,7 @@ static int nfs_get_cb_ident_idr(struct nfs_client *clp, int minorversion) return ret; idr_preload(GFP_KERNEL); spin_lock(&nn->nfs_client_lock); - ret = idr_alloc(&nn->cb_ident_idr, clp, 0, 0, GFP_NOWAIT); + ret = idr_alloc(&nn->cb_ident_idr, clp, 1, 0, GFP_NOWAIT); if (ret >= 0) clp->cl_cb_ident = ret; spin_unlock(&nn->nfs_client_lock); diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 4aa571956cd6..db9b5fea5b3e 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -7,6 +7,7 @@ #include <linux/file.h> #include <linux/falloc.h> #include <linux/nfs_fs.h> +#include <uapi/linux/btrfs.h> /* BTRFS_IOC_CLONE/BTRFS_IOC_CLONE_RANGE */ #include "delegation.h" #include "internal.h" #include "iostat.h" @@ -203,6 +204,7 @@ nfs42_ioctl_clone(struct file *dst_file, unsigned long srcfd, struct fd src_file; struct inode *src_inode; unsigned int bs = server->clone_blksize; + bool same_inode = false; int ret; /* dst file must be opened for writing */ @@ -221,10 +223,8 @@ nfs42_ioctl_clone(struct file *dst_file, unsigned long srcfd, src_inode = file_inode(src_file.file); - /* src and dst must be different files */ - ret = -EINVAL; if (src_inode == dst_inode) - goto out_fput; + same_inode = true; /* src file must be opened for reading */ if (!(src_file.file->f_mode & FMODE_READ)) @@ -249,8 +249,16 @@ nfs42_ioctl_clone(struct file *dst_file, unsigned long srcfd, goto out_fput; } + /* verify if ranges are overlapped within the same file */ + if (same_inode) { + if (dst_off + count > src_off && dst_off < src_off + count) + goto out_fput; + } + /* XXX: do we lock at all? what if server needs CB_RECALL_LAYOUT? */ - if (dst_inode < src_inode) { + if (same_inode) { + mutex_lock(&src_inode->i_mutex); + } else if (dst_inode < src_inode) { mutex_lock_nested(&dst_inode->i_mutex, I_MUTEX_PARENT); mutex_lock_nested(&src_inode->i_mutex, I_MUTEX_CHILD); } else { @@ -275,7 +283,9 @@ nfs42_ioctl_clone(struct file *dst_file, unsigned long srcfd, truncate_inode_pages_range(&dst_inode->i_data, dst_off, dst_off + count - 1); out_unlock: - if (dst_inode < src_inode) { + if (same_inode) { + mutex_unlock(&src_inode->i_mutex); + } else if (dst_inode < src_inode) { mutex_unlock(&src_inode->i_mutex); mutex_unlock(&dst_inode->i_mutex); } else { @@ -291,46 +301,31 @@ out_drop_write: static long nfs42_ioctl_clone_range(struct file *dst_file, void __user *argp) { - struct nfs_ioctl_clone_range_args args; + struct btrfs_ioctl_clone_range_args args; if (copy_from_user(&args, argp, sizeof(args))) return -EFAULT; - return nfs42_ioctl_clone(dst_file, args.src_fd, args.src_off, args.dst_off, args.count); -} -#else -static long nfs42_ioctl_clone(struct file *dst_file, unsigned long srcfd, - u64 src_off, u64 dst_off, u64 count) -{ - return -ENOTTY; -} - -static long nfs42_ioctl_clone_range(struct file *dst_file, void __user *argp) -{ - return -ENOTTY; + return nfs42_ioctl_clone(dst_file, args.src_fd, args.src_offset, + args.dest_offset, args.src_length); } -#endif /* CONFIG_NFS_V4_2 */ long nfs4_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { void __user *argp = (void __user *)arg; switch (cmd) { - case NFS_IOC_CLONE: + case BTRFS_IOC_CLONE: return nfs42_ioctl_clone(file, arg, 0, 0, 0); - case NFS_IOC_CLONE_RANGE: + case BTRFS_IOC_CLONE_RANGE: return nfs42_ioctl_clone_range(file, argp); } return -ENOTTY; } +#endif /* CONFIG_NFS_V4_2 */ const struct file_operations nfs4_file_operations = { -#ifdef CONFIG_NFS_V4_2 - .llseek = nfs4_file_llseek, -#else - .llseek = nfs_file_llseek, -#endif .read_iter = nfs_file_read, .write_iter = nfs_file_write, .mmap = nfs_file_mmap, @@ -342,14 +337,14 @@ const struct file_operations nfs4_file_operations = { .flock = nfs_flock, .splice_read = nfs_file_splice_read, .splice_write = iter_file_splice_write, -#ifdef CONFIG_NFS_V4_2 - .fallocate = nfs42_fallocate, -#endif /* CONFIG_NFS_V4_2 */ .check_flags = nfs_check_flags, .setlease = simple_nosetlease, -#ifdef CONFIG_COMPAT +#ifdef CONFIG_NFS_V4_2 + .llseek = nfs4_file_llseek, + .fallocate = nfs42_fallocate, .unlocked_ioctl = nfs4_ioctl, -#else .compat_ioctl = nfs4_ioctl, -#endif /* CONFIG_COMPAT */ +#else + .llseek = nfs_file_llseek, +#endif }; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 765a03559363..89818036f035 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -7866,7 +7866,7 @@ static void nfs4_layoutget_done(struct rpc_task *task, void *calldata) spin_unlock(&inode->i_lock); goto out_restart; } - if (nfs4_async_handle_error(task, server, state, NULL) == -EAGAIN) + if (nfs4_async_handle_error(task, server, state, &lgp->timeout) == -EAGAIN) goto out_restart; out: dprintk("<-- %s\n", __func__); diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index dfed4f5c8fcc..4e4441216804 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3615,6 +3615,7 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st status = 0; if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) goto out; + bitmap[0] &= ~FATTR4_WORD0_FS_LOCATIONS; status = -EIO; /* Ignore borken servers that return unrequested attrs */ if (unlikely(res == NULL)) diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 93496c059837..5a8ae2125b50 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -872,33 +872,38 @@ send_layoutget(struct pnfs_layout_hdr *lo, dprintk("--> %s\n", __func__); - lgp = kzalloc(sizeof(*lgp), gfp_flags); - if (lgp == NULL) - return NULL; + /* + * Synchronously retrieve layout information from server and + * store in lseg. If we race with a concurrent seqid morphing + * op, then re-send the LAYOUTGET. + */ + do { + lgp = kzalloc(sizeof(*lgp), gfp_flags); + if (lgp == NULL) + return NULL; + + i_size = i_size_read(ino); + + lgp->args.minlength = PAGE_CACHE_SIZE; + if (lgp->args.minlength > range->length) + lgp->args.minlength = range->length; + if (range->iomode == IOMODE_READ) { + if (range->offset >= i_size) + lgp->args.minlength = 0; + else if (i_size - range->offset < lgp->args.minlength) + lgp->args.minlength = i_size - range->offset; + } + lgp->args.maxcount = PNFS_LAYOUT_MAXSIZE; + lgp->args.range = *range; + lgp->args.type = server->pnfs_curr_ld->id; + lgp->args.inode = ino; + lgp->args.ctx = get_nfs_open_context(ctx); + lgp->gfp_flags = gfp_flags; + lgp->cred = lo->plh_lc_cred; - i_size = i_size_read(ino); + lseg = nfs4_proc_layoutget(lgp, gfp_flags); + } while (lseg == ERR_PTR(-EAGAIN)); - lgp->args.minlength = PAGE_CACHE_SIZE; - if (lgp->args.minlength > range->length) - lgp->args.minlength = range->length; - if (range->iomode == IOMODE_READ) { - if (range->offset >= i_size) - lgp->args.minlength = 0; - else if (i_size - range->offset < lgp->args.minlength) - lgp->args.minlength = i_size - range->offset; - } - lgp->args.maxcount = PNFS_LAYOUT_MAXSIZE; - lgp->args.range = *range; - lgp->args.type = server->pnfs_curr_ld->id; - lgp->args.inode = ino; - lgp->args.ctx = get_nfs_open_context(ctx); - lgp->gfp_flags = gfp_flags; - lgp->cred = lo->plh_lc_cred; - - /* Synchronously retrieve layout information from server and - * store in lseg. - */ - lseg = nfs4_proc_layoutget(lgp, gfp_flags); if (IS_ERR(lseg)) { switch (PTR_ERR(lseg)) { case -ENOMEM: @@ -1687,6 +1692,7 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) /* existing state ID, make sure the sequence number matches. */ if (pnfs_layout_stateid_blocked(lo, &res->stateid)) { dprintk("%s forget reply due to sequence\n", __func__); + status = -EAGAIN; goto out_forget_reply; } pnfs_set_layout_stateid(lo, &res->stateid, false); diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 3b48ac25d8a7..a03f6f433075 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -372,6 +372,8 @@ static int ocfs2_mknod(struct inode *dir, mlog_errno(status); goto leave; } + /* update inode->i_mode after mask with "umask". */ + inode->i_mode = mode; handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb, S_ISDIR(mode), diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 871fcb67be97..0a8983492d91 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -195,8 +195,7 @@ int ovl_set_attr(struct dentry *upperdentry, struct kstat *stat) static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir, struct dentry *dentry, struct path *lowerpath, - struct kstat *stat, struct iattr *attr, - const char *link) + struct kstat *stat, const char *link) { struct inode *wdir = workdir->d_inode; struct inode *udir = upperdir->d_inode; @@ -240,8 +239,6 @@ static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir, mutex_lock(&newdentry->d_inode->i_mutex); err = ovl_set_attr(newdentry, stat); - if (!err && attr) - err = notify_change(newdentry, attr, NULL); mutex_unlock(&newdentry->d_inode->i_mutex); if (err) goto out_cleanup; @@ -286,8 +283,7 @@ out_cleanup: * that point the file will have already been copied up anyway. */ int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, - struct path *lowerpath, struct kstat *stat, - struct iattr *attr) + struct path *lowerpath, struct kstat *stat) { struct dentry *workdir = ovl_workdir(dentry); int err; @@ -345,26 +341,19 @@ int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, } upperdentry = ovl_dentry_upper(dentry); if (upperdentry) { - unlock_rename(workdir, upperdir); + /* Raced with another copy-up? Nothing to do, then... */ err = 0; - /* Raced with another copy-up? Do the setattr here */ - if (attr) { - mutex_lock(&upperdentry->d_inode->i_mutex); - err = notify_change(upperdentry, attr, NULL); - mutex_unlock(&upperdentry->d_inode->i_mutex); - } - goto out_put_cred; + goto out_unlock; } err = ovl_copy_up_locked(workdir, upperdir, dentry, lowerpath, - stat, attr, link); + stat, link); if (!err) { /* Restore timestamps on parent (best effort) */ ovl_set_timestamps(upperdir, &pstat); } out_unlock: unlock_rename(workdir, upperdir); -out_put_cred: revert_creds(old_cred); put_cred(override_cred); @@ -406,7 +395,7 @@ int ovl_copy_up(struct dentry *dentry) ovl_path_lower(next, &lowerpath); err = vfs_getattr(&lowerpath, &stat); if (!err) - err = ovl_copy_up_one(parent, next, &lowerpath, &stat, NULL); + err = ovl_copy_up_one(parent, next, &lowerpath, &stat); dput(parent); dput(next); diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index ec0c2a050043..4060ffde8722 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -12,8 +12,7 @@ #include <linux/xattr.h> #include "overlayfs.h" -static int ovl_copy_up_last(struct dentry *dentry, struct iattr *attr, - bool no_data) +static int ovl_copy_up_truncate(struct dentry *dentry) { int err; struct dentry *parent; @@ -30,10 +29,8 @@ static int ovl_copy_up_last(struct dentry *dentry, struct iattr *attr, if (err) goto out_dput_parent; - if (no_data) - stat.size = 0; - - err = ovl_copy_up_one(parent, dentry, &lowerpath, &stat, attr); + stat.size = 0; + err = ovl_copy_up_one(parent, dentry, &lowerpath, &stat); out_dput_parent: dput(parent); @@ -49,13 +46,13 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr) if (err) goto out; - upperdentry = ovl_dentry_upper(dentry); - if (upperdentry) { + err = ovl_copy_up(dentry); + if (!err) { + upperdentry = ovl_dentry_upper(dentry); + mutex_lock(&upperdentry->d_inode->i_mutex); err = notify_change(upperdentry, attr, NULL); mutex_unlock(&upperdentry->d_inode->i_mutex); - } else { - err = ovl_copy_up_last(dentry, attr, false); } ovl_drop_write(dentry); out: @@ -353,7 +350,7 @@ struct inode *ovl_d_select_inode(struct dentry *dentry, unsigned file_flags) return ERR_PTR(err); if (file_flags & O_TRUNC) - err = ovl_copy_up_last(dentry, NULL, true); + err = ovl_copy_up_truncate(dentry); else err = ovl_copy_up(dentry); ovl_drop_write(dentry); diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index ea5a40b06e3a..e17154aeaae4 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -194,7 +194,6 @@ void ovl_cleanup(struct inode *dir, struct dentry *dentry); /* copy_up.c */ int ovl_copy_up(struct dentry *dentry); int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, - struct path *lowerpath, struct kstat *stat, - struct iattr *attr); + struct path *lowerpath, struct kstat *stat); int ovl_copy_xattr(struct dentry *old, struct dentry *new); int ovl_set_attr(struct dentry *upper, struct kstat *stat); diff --git a/fs/splice.c b/fs/splice.c index 801c21cd77fe..4cf700d50b40 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -809,6 +809,13 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des */ static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd) { + /* + * Check for signal early to make process killable when there are + * always buffers available + */ + if (signal_pending(current)) + return -ERESTARTSYS; + while (!pipe->nrbufs) { if (!pipe->writers) return 0; @@ -884,6 +891,7 @@ ssize_t __splice_from_pipe(struct pipe_inode_info *pipe, struct splice_desc *sd, splice_from_pipe_begin(sd); do { + cond_resched(); ret = splice_from_pipe_next(pipe, sd); if (ret > 0) ret = splice_from_pipe_feed(pipe, sd, actor); diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 590ad9206e3f..02fa1dcc5969 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -162,15 +162,8 @@ void sysv_set_inode(struct inode *inode, dev_t rdev) inode->i_fop = &sysv_dir_operations; inode->i_mapping->a_ops = &sysv_aops; } else if (S_ISLNK(inode->i_mode)) { - if (inode->i_blocks) { - inode->i_op = &sysv_symlink_inode_operations; - inode->i_mapping->a_ops = &sysv_aops; - } else { - inode->i_op = &simple_symlink_inode_operations; - inode->i_link = (char *)SYSV_I(inode)->i_data; - nd_terminate_link(inode->i_link, inode->i_size, - sizeof(SYSV_I(inode)->i_data) - 1); - } + inode->i_op = &sysv_symlink_inode_operations; + inode->i_mapping->a_ops = &sysv_aops; } else init_special_inode(inode, inode->i_mode, rdev); } diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 0b921ae06cd8..0a271ca1f7c7 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -309,6 +309,11 @@ struct drm_file { unsigned universal_planes:1; /* true if client understands atomic properties */ unsigned atomic:1; + /* + * This client is allowed to gain master privileges for @master. + * Protected by struct drm_device::master_mutex. + */ + unsigned allowed_master:1; struct pid *pid; kuid_t uid; @@ -910,6 +915,7 @@ extern int drm_open(struct inode *inode, struct file *filp); extern ssize_t drm_read(struct file *filp, char __user *buffer, size_t count, loff_t *offset); extern int drm_release(struct inode *inode, struct file *filp); +extern int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv); /* Mapping support (drm_vm.h) */ extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); @@ -947,6 +953,10 @@ extern void drm_send_vblank_event(struct drm_device *dev, unsigned int pipe, struct drm_pending_vblank_event *e); extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc, struct drm_pending_vblank_event *e); +extern void drm_arm_vblank_event(struct drm_device *dev, unsigned int pipe, + struct drm_pending_vblank_event *e); +extern void drm_crtc_arm_vblank_event(struct drm_crtc *crtc, + struct drm_pending_vblank_event *e); extern bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe); extern bool drm_crtc_handle_vblank(struct drm_crtc *crtc); extern int drm_vblank_get(struct drm_device *dev, unsigned int pipe); diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index e67aeac2aee0..4b74c97d297a 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -136,6 +136,9 @@ drm_atomic_connectors_for_crtc(struct drm_atomic_state *state, void drm_atomic_legacy_backoff(struct drm_atomic_state *state); +void +drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret); + int __must_check drm_atomic_check_only(struct drm_atomic_state *state); int __must_check drm_atomic_commit(struct drm_atomic_state *state); int __must_check drm_atomic_async_commit(struct drm_atomic_state *state); diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index 9c747cb14ad8..d2f41477f8ae 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -342,10 +342,10 @@ int kvm_vgic_inject_mapped_irq(struct kvm *kvm, int cpuid, struct irq_phys_map *map, bool level); void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg); int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu); -int kvm_vgic_vcpu_active_irq(struct kvm_vcpu *vcpu); struct irq_phys_map *kvm_vgic_map_phys_irq(struct kvm_vcpu *vcpu, int virt_irq, int irq); int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, struct irq_phys_map *map); +bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, struct irq_phys_map *map); #define irqchip_in_kernel(k) (!!((k)->arch.vgic.in_kernel)) #define vgic_initialized(k) (!!((k)->arch.vgic.nr_cpus)) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 054833939995..1991aea2ec4c 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -870,8 +870,8 @@ static inline int acpi_dev_get_property(struct acpi_device *adev, } static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode, - const char *name, const char *cells_name, - size_t index, struct acpi_reference_args *args) + const char *name, size_t index, + struct acpi_reference_args *args) { return -ENXIO; } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 3fe27f8d91f0..0169ba2e2e64 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -254,6 +254,7 @@ struct queue_limits { unsigned long virt_boundary_mask; unsigned int max_hw_sectors; + unsigned int max_dev_sectors; unsigned int chunk_sectors; unsigned int max_sectors; unsigned int max_segment_size; @@ -773,7 +774,6 @@ extern void blk_rq_set_block_pc(struct request *); extern void blk_requeue_request(struct request_queue *, struct request *); extern void blk_add_request_payload(struct request *rq, struct page *page, unsigned int len); -extern int blk_rq_check_limits(struct request_queue *q, struct request *rq); extern int blk_lld_busy(struct request_queue *q); extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src, struct bio_set *bs, gfp_t gfp_mask, @@ -794,6 +794,8 @@ extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t, extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t, struct scsi_ioctl_command __user *); +extern int blk_queue_enter(struct request_queue *q, gfp_t gfp); +extern void blk_queue_exit(struct request_queue *q); extern void blk_start_queue(struct request_queue *q); extern void blk_stop_queue(struct request_queue *q); extern void blk_sync_queue(struct request_queue *q); @@ -958,7 +960,6 @@ extern struct request_queue *blk_init_allocated_queue(struct request_queue *, extern void blk_cleanup_queue(struct request_queue *); extern void blk_queue_make_request(struct request_queue *, make_request_fn *); extern void blk_queue_bounce_limit(struct request_queue *, u64); -extern void blk_limits_max_hw_sectors(struct queue_limits *, unsigned int); extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int); extern void blk_queue_chunk_sectors(struct request_queue *, unsigned int); extern void blk_queue_max_segments(struct request_queue *, unsigned short); diff --git a/include/linux/bpf.h b/include/linux/bpf.h index de464e6683b6..83d1926c61e4 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -40,6 +40,7 @@ struct bpf_map { struct user_struct *user; const struct bpf_map_ops *ops; struct work_struct work; + atomic_t usercnt; }; struct bpf_map_type_list { @@ -167,8 +168,10 @@ struct bpf_prog *bpf_prog_get(u32 ufd); void bpf_prog_put(struct bpf_prog *prog); void bpf_prog_put_rcu(struct bpf_prog *prog); -struct bpf_map *bpf_map_get(u32 ufd); +struct bpf_map *bpf_map_get_with_uref(u32 ufd); struct bpf_map *__bpf_map_get(struct fd f); +void bpf_map_inc(struct bpf_map *map, bool uref); +void bpf_map_put_with_uref(struct bpf_map *map); void bpf_map_put(struct bpf_map *map); extern int sysctl_unprivileged_bpf_disabled; diff --git a/include/linux/configfs.h b/include/linux/configfs.h index a8a335b7fce0..758a029011b1 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -197,6 +197,16 @@ static inline struct configfs_subsystem *to_configfs_subsystem(struct config_gro int configfs_register_subsystem(struct configfs_subsystem *subsys); void configfs_unregister_subsystem(struct configfs_subsystem *subsys); +int configfs_register_group(struct config_group *parent_group, + struct config_group *group); +void configfs_unregister_group(struct config_group *group); + +struct config_group * +configfs_register_default_group(struct config_group *parent_group, + const char *name, + struct config_item_type *item_type); +void configfs_unregister_default_group(struct config_group *group); + /* These functions can sleep and can alloc with GFP_KERNEL */ /* WARNING: These cannot be called underneath configfs callbacks!! */ int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target); diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index ef4c5b1a860f..177c7680c1a8 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -77,6 +77,7 @@ struct cpufreq_policy { unsigned int suspend_freq; /* freq to set during suspend */ unsigned int policy; /* see above */ + unsigned int last_policy; /* policy before unplug */ struct cpufreq_governor *governor; /* see below */ void *governor_data; bool governor_enabled; /* governor start/stop flag */ diff --git a/include/linux/dns_resolver.h b/include/linux/dns_resolver.h index cc92268af89a..6ac3cad9aef1 100644 --- a/include/linux/dns_resolver.h +++ b/include/linux/dns_resolver.h @@ -27,7 +27,7 @@ #ifdef __KERNEL__ extern int dns_query(const char *type, const char *name, size_t namelen, - const char *options, char **_result, time_t *_expiry); + const char *options, char **_result, time64_t *_expiry); #endif /* KERNEL */ diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h index 7be22da321f3..a4cf57cd0f75 100644 --- a/include/linux/enclosure.h +++ b/include/linux/enclosure.h @@ -29,7 +29,11 @@ /* A few generic types ... taken from ses-2 */ enum enclosure_component_type { ENCLOSURE_COMPONENT_DEVICE = 0x01, + ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS = 0x07, + ENCLOSURE_COMPONENT_SCSI_TARGET_PORT = 0x14, + ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT = 0x15, ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17, + ENCLOSURE_COMPONENT_SAS_EXPANDER = 0x18, }; /* ses-2 common element status */ diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 6523109e136d..8942af0813e3 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -271,7 +271,7 @@ static inline int gfpflags_to_migratetype(const gfp_t gfp_flags) static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) { - return gfp_flags & __GFP_DIRECT_RECLAIM; + return (bool __force)(gfp_flags & __GFP_DIRECT_RECLAIM); } #ifdef CONFIG_HIGHMEM diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 0ef2a97ccdb5..402753bccafa 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -227,7 +227,7 @@ struct ipv6_pinfo { struct ipv6_ac_socklist *ipv6_ac_list; struct ipv6_fl_socklist __rcu *ipv6_fl_list; - struct ipv6_txoptions *opt; + struct ipv6_txoptions __rcu *opt; struct sk_buff *pktoptions; struct sk_buff *rxpmtu; struct inet6_cork cork; diff --git a/include/linux/kref.h b/include/linux/kref.h index 484604d184be..e15828fd71f1 100644 --- a/include/linux/kref.h +++ b/include/linux/kref.h @@ -19,7 +19,6 @@ #include <linux/atomic.h> #include <linux/kernel.h> #include <linux/mutex.h> -#include <linux/spinlock.h> struct kref { atomic_t refcount; @@ -99,38 +98,6 @@ static inline int kref_put(struct kref *kref, void (*release)(struct kref *kref) return kref_sub(kref, 1, release); } -/** - * kref_put_spinlock_irqsave - decrement refcount for object. - * @kref: object. - * @release: pointer to the function that will clean up the object when the - * last reference to the object is released. - * This pointer is required, and it is not acceptable to pass kfree - * in as this function. - * @lock: lock to take in release case - * - * Behaves identical to kref_put with one exception. If the reference count - * drops to zero, the lock will be taken atomically wrt dropping the reference - * count. The release function has to call spin_unlock() without _irqrestore. - */ -static inline int kref_put_spinlock_irqsave(struct kref *kref, - void (*release)(struct kref *kref), - spinlock_t *lock) -{ - unsigned long flags; - - WARN_ON(release == NULL); - if (atomic_add_unless(&kref->refcount, -1, 1)) - return 0; - spin_lock_irqsave(lock, flags); - if (atomic_dec_and_test(&kref->refcount)) { - release(kref); - local_irq_restore(flags); - return 1; - } - spin_unlock_irqrestore(lock, flags); - return 0; -} - static inline int kref_put_mutex(struct kref *kref, void (*release)(struct kref *kref), struct mutex *lock) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 5706a2108f0a..c923350ca20a 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -460,6 +460,17 @@ static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i) (vcpup = kvm_get_vcpu(kvm, idx)) != NULL; \ idx++) +static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id) +{ + struct kvm_vcpu *vcpu; + int i; + + kvm_for_each_vcpu(i, vcpu, kvm) + if (vcpu->vcpu_id == id) + return vcpu; + return NULL; +} + #define kvm_for_each_memslot(memslot, slots) \ for (memslot = &slots->memslots[0]; \ memslot < slots->memslots + KVM_MEM_SLOTS_NUM && memslot->npages;\ diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 69c9057e1ab8..c6916aec43b6 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -58,7 +58,6 @@ enum { struct nvm_id_group { u8 mtype; u8 fmtype; - u16 res16; u8 num_ch; u8 num_lun; u8 num_pln; @@ -74,9 +73,9 @@ struct nvm_id_group { u32 tbet; u32 tbem; u32 mpos; + u32 mccap; u16 cpar; - u8 res[913]; -} __packed; +}; struct nvm_addr_format { u8 ch_offset; @@ -91,19 +90,15 @@ struct nvm_addr_format { u8 pg_len; u8 sect_offset; u8 sect_len; - u8 res[4]; }; struct nvm_id { u8 ver_id; u8 vmnt; u8 cgrps; - u8 res[5]; u32 cap; u32 dom; struct nvm_addr_format ppaf; - u8 ppat; - u8 resv[224]; struct nvm_id_group groups[4]; } __packed; @@ -123,39 +118,28 @@ struct nvm_tgt_instance { #define NVM_VERSION_MINOR 0 #define NVM_VERSION_PATCH 0 -#define NVM_SEC_BITS (8) -#define NVM_PL_BITS (6) -#define NVM_PG_BITS (16) #define NVM_BLK_BITS (16) -#define NVM_LUN_BITS (10) +#define NVM_PG_BITS (16) +#define NVM_SEC_BITS (8) +#define NVM_PL_BITS (8) +#define NVM_LUN_BITS (8) #define NVM_CH_BITS (8) struct ppa_addr { + /* Generic structure for all addresses */ union { - /* Channel-based PPA format in nand 4x2x2x2x8x10 */ - struct { - u64 ch : 4; - u64 sec : 2; /* 4 sectors per page */ - u64 pl : 2; /* 4 planes per LUN */ - u64 lun : 2; /* 4 LUNs per channel */ - u64 pg : 8; /* 256 pages per block */ - u64 blk : 10;/* 1024 blocks per plane */ - u64 resved : 36; - } chnl; - - /* Generic structure for all addresses */ struct { + u64 blk : NVM_BLK_BITS; + u64 pg : NVM_PG_BITS; u64 sec : NVM_SEC_BITS; u64 pl : NVM_PL_BITS; - u64 pg : NVM_PG_BITS; - u64 blk : NVM_BLK_BITS; u64 lun : NVM_LUN_BITS; u64 ch : NVM_CH_BITS; } g; u64 ppa; }; -} __packed; +}; struct nvm_rq { struct nvm_tgt_instance *ins; @@ -191,11 +175,11 @@ static inline void *nvm_rq_to_pdu(struct nvm_rq *rqdata) struct nvm_block; typedef int (nvm_l2p_update_fn)(u64, u32, __le64 *, void *); -typedef int (nvm_bb_update_fn)(u32, void *, unsigned int, void *); +typedef int (nvm_bb_update_fn)(struct ppa_addr, int, u8 *, void *); typedef int (nvm_id_fn)(struct request_queue *, struct nvm_id *); typedef int (nvm_get_l2p_tbl_fn)(struct request_queue *, u64, u32, nvm_l2p_update_fn *, void *); -typedef int (nvm_op_bb_tbl_fn)(struct request_queue *, int, unsigned int, +typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, int, nvm_bb_update_fn *, void *); typedef int (nvm_op_set_bb_fn)(struct request_queue *, struct nvm_rq *, int); typedef int (nvm_submit_io_fn)(struct request_queue *, struct nvm_rq *); @@ -210,7 +194,7 @@ struct nvm_dev_ops { nvm_id_fn *identity; nvm_get_l2p_tbl_fn *get_l2p_tbl; nvm_op_bb_tbl_fn *get_bb_tbl; - nvm_op_set_bb_fn *set_bb; + nvm_op_set_bb_fn *set_bb_tbl; nvm_submit_io_fn *submit_io; nvm_erase_blk_fn *erase_block; @@ -220,7 +204,7 @@ struct nvm_dev_ops { nvm_dev_dma_alloc_fn *dev_dma_alloc; nvm_dev_dma_free_fn *dev_dma_free; - uint8_t max_phys_sect; + unsigned int max_phys_sect; }; struct nvm_lun { @@ -229,7 +213,9 @@ struct nvm_lun { int lun_id; int chnl_id; + unsigned int nr_inuse_blocks; /* Number of used blocks */ unsigned int nr_free_blocks; /* Number of unused blocks */ + unsigned int nr_bad_blocks; /* Number of bad blocks */ struct nvm_block *blocks; spinlock_t lock; @@ -263,8 +249,7 @@ struct nvm_dev { int blks_per_lun; int sec_size; int oob_size; - int addr_mode; - struct nvm_addr_format addr_format; + struct nvm_addr_format ppaf; /* Calculated/Cached values. These do not reflect the actual usable * blocks at run-time. @@ -290,118 +275,45 @@ struct nvm_dev { char name[DISK_NAME_LEN]; }; -/* fallback conversion */ -static struct ppa_addr __generic_to_linear_addr(struct nvm_dev *dev, - struct ppa_addr r) -{ - struct ppa_addr l; - - l.ppa = r.g.sec + - r.g.pg * dev->sec_per_pg + - r.g.blk * (dev->pgs_per_blk * - dev->sec_per_pg) + - r.g.lun * (dev->blks_per_lun * - dev->pgs_per_blk * - dev->sec_per_pg) + - r.g.ch * (dev->blks_per_lun * - dev->pgs_per_blk * - dev->luns_per_chnl * - dev->sec_per_pg); - - return l; -} - -/* fallback conversion */ -static struct ppa_addr __linear_to_generic_addr(struct nvm_dev *dev, - struct ppa_addr r) +static inline struct ppa_addr generic_to_dev_addr(struct nvm_dev *dev, + struct ppa_addr r) { struct ppa_addr l; - int secs, pgs, blks, luns; - sector_t ppa = r.ppa; - l.ppa = 0; - - div_u64_rem(ppa, dev->sec_per_pg, &secs); - l.g.sec = secs; - - sector_div(ppa, dev->sec_per_pg); - div_u64_rem(ppa, dev->sec_per_blk, &pgs); - l.g.pg = pgs; - - sector_div(ppa, dev->pgs_per_blk); - div_u64_rem(ppa, dev->blks_per_lun, &blks); - l.g.blk = blks; - - sector_div(ppa, dev->blks_per_lun); - div_u64_rem(ppa, dev->luns_per_chnl, &luns); - l.g.lun = luns; - - sector_div(ppa, dev->luns_per_chnl); - l.g.ch = ppa; + l.ppa = ((u64)r.g.blk) << dev->ppaf.blk_offset; + l.ppa |= ((u64)r.g.pg) << dev->ppaf.pg_offset; + l.ppa |= ((u64)r.g.sec) << dev->ppaf.sect_offset; + l.ppa |= ((u64)r.g.pl) << dev->ppaf.pln_offset; + l.ppa |= ((u64)r.g.lun) << dev->ppaf.lun_offset; + l.ppa |= ((u64)r.g.ch) << dev->ppaf.ch_offset; return l; } -static struct ppa_addr __generic_to_chnl_addr(struct ppa_addr r) +static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev, + struct ppa_addr r) { struct ppa_addr l; - l.ppa = 0; - - l.chnl.sec = r.g.sec; - l.chnl.pl = r.g.pl; - l.chnl.pg = r.g.pg; - l.chnl.blk = r.g.blk; - l.chnl.lun = r.g.lun; - l.chnl.ch = r.g.ch; - - return l; -} - -static struct ppa_addr __chnl_to_generic_addr(struct ppa_addr r) -{ - struct ppa_addr l; - - l.ppa = 0; - - l.g.sec = r.chnl.sec; - l.g.pl = r.chnl.pl; - l.g.pg = r.chnl.pg; - l.g.blk = r.chnl.blk; - l.g.lun = r.chnl.lun; - l.g.ch = r.chnl.ch; + /* + * (r.ppa << X offset) & X len bitmask. X eq. blk, pg, etc. + */ + l.g.blk = (r.ppa >> dev->ppaf.blk_offset) & + (((1 << dev->ppaf.blk_len) - 1)); + l.g.pg |= (r.ppa >> dev->ppaf.pg_offset) & + (((1 << dev->ppaf.pg_len) - 1)); + l.g.sec |= (r.ppa >> dev->ppaf.sect_offset) & + (((1 << dev->ppaf.sect_len) - 1)); + l.g.pl |= (r.ppa >> dev->ppaf.pln_offset) & + (((1 << dev->ppaf.pln_len) - 1)); + l.g.lun |= (r.ppa >> dev->ppaf.lun_offset) & + (((1 << dev->ppaf.lun_len) - 1)); + l.g.ch |= (r.ppa >> dev->ppaf.ch_offset) & + (((1 << dev->ppaf.ch_len) - 1)); return l; } -static inline struct ppa_addr addr_to_generic_mode(struct nvm_dev *dev, - struct ppa_addr gppa) -{ - switch (dev->addr_mode) { - case NVM_ADDRMODE_LINEAR: - return __linear_to_generic_addr(dev, gppa); - case NVM_ADDRMODE_CHANNEL: - return __chnl_to_generic_addr(gppa); - default: - BUG(); - } - return gppa; -} - -static inline struct ppa_addr generic_to_addr_mode(struct nvm_dev *dev, - struct ppa_addr gppa) -{ - switch (dev->addr_mode) { - case NVM_ADDRMODE_LINEAR: - return __generic_to_linear_addr(dev, gppa); - case NVM_ADDRMODE_CHANNEL: - return __generic_to_chnl_addr(gppa); - default: - BUG(); - } - return gppa; -} - static inline int ppa_empty(struct ppa_addr ppa_addr) { return (ppa_addr.ppa == ADDR_EMPTY); @@ -468,7 +380,7 @@ typedef int (nvmm_end_io_fn)(struct nvm_rq *, int); typedef int (nvmm_erase_blk_fn)(struct nvm_dev *, struct nvm_block *, unsigned long); typedef struct nvm_lun *(nvmm_get_lun_fn)(struct nvm_dev *, int); -typedef void (nvmm_free_blocks_print_fn)(struct nvm_dev *); +typedef void (nvmm_lun_info_print_fn)(struct nvm_dev *); struct nvmm_type { const char *name; @@ -492,7 +404,7 @@ struct nvmm_type { nvmm_get_lun_fn *get_lun; /* Statistics */ - nvmm_free_blocks_print_fn *free_blocks_print; + nvmm_lun_info_print_fn *lun_info_print; struct list_head list; }; diff --git a/include/linux/net.h b/include/linux/net.h index 70ac5e28e6b7..0b4ac7da583a 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -34,8 +34,12 @@ struct inode; struct file; struct net; -#define SOCK_ASYNC_NOSPACE 0 -#define SOCK_ASYNC_WAITDATA 1 +/* Historically, SOCKWQ_ASYNC_NOSPACE & SOCKWQ_ASYNC_WAITDATA were located + * in sock->flags, but moved into sk->sk_wq->flags to be RCU protected. + * Eventually all flags will be in sk->sk_wq_flags. + */ +#define SOCKWQ_ASYNC_NOSPACE 0 +#define SOCKWQ_ASYNC_WAITDATA 1 #define SOCK_NOSPACE 2 #define SOCK_PASSCRED 3 #define SOCK_PASSSEC 4 @@ -89,6 +93,7 @@ struct socket_wq { /* Note: wait MUST be first field of socket_wq */ wait_queue_head_t wait; struct fasync_struct *fasync_list; + unsigned long flags; /* %SOCKWQ_ASYNC_NOSPACE, etc */ struct rcu_head rcu; } ____cacheline_aligned_in_smp; @@ -96,7 +101,7 @@ struct socket_wq { * struct socket - general BSD socket * @state: socket state (%SS_CONNECTED, etc) * @type: socket type (%SOCK_STREAM, etc) - * @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc) + * @flags: socket flags (%SOCK_NOSPACE, etc) * @ops: protocol specific socket operations * @file: File back pointer for gc * @sk: internal networking protocol agnostic socket representation @@ -202,7 +207,7 @@ enum { SOCK_WAKE_URG, }; -int sock_wake_async(struct socket *sk, int how, int band); +int sock_wake_async(struct socket_wq *sk_wq, int how, int band); int sock_register(const struct net_proto_family *fam); void sock_unregister(int family); int __sock_create(struct net *net, int family, int type, int proto, diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 67bfac1abfc1..3b5d134e945a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1398,7 +1398,8 @@ enum netdev_priv_flags { * @dma: DMA channel * @mtu: Interface MTU value * @type: Interface hardware type - * @hard_header_len: Hardware header length + * @hard_header_len: Hardware header length, which means that this is the + * minimum size of a packet. * * @needed_headroom: Extra headroom the hardware may need, but not in all * cases can this be guaranteed diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 570d630f98ae..11bbae44f4cb 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -251,6 +251,7 @@ struct nfs4_layoutget { struct nfs4_layoutget_res res; struct rpc_cred *cred; gfp_t gfp_flags; + long timeout; }; struct nfs4_getdeviceinfo_args { diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index 36112cdd665a..b90d8ec57c1f 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -80,7 +80,7 @@ static inline int of_dma_router_register(struct device_node *np, static inline struct dma_chan *of_dma_request_slave_channel(struct device_node *np, const char *name) { - return NULL; + return ERR_PTR(-ENODEV); } static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, diff --git a/include/linux/pci.h b/include/linux/pci.h index e828e7b4afec..6ae25aae88fd 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -412,9 +412,18 @@ struct pci_host_bridge { void (*release_fn)(struct pci_host_bridge *); void *release_data; unsigned int ignore_reset_delay:1; /* for entire hierarchy */ + /* Resource alignment requirements */ + resource_size_t (*align_resource)(struct pci_dev *dev, + const struct resource *res, + resource_size_t start, + resource_size_t size, + resource_size_t align); }; #define to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev) + +struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus); + void pci_set_host_bridge_release(struct pci_host_bridge *bridge, void (*release_fn)(struct pci_host_bridge *), void *release_data); diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h index 80af3cd35ae4..72ce932c69b2 100644 --- a/include/linux/scpi_protocol.h +++ b/include/linux/scpi_protocol.h @@ -71,7 +71,7 @@ struct scpi_ops { int (*sensor_get_value)(u16, u32 *); }; -#if IS_ENABLED(CONFIG_ARM_SCPI_PROTOCOL) +#if IS_REACHABLE(CONFIG_ARM_SCPI_PROTOCOL) struct scpi_ops *get_scpi_ops(void); #else static inline struct scpi_ops *get_scpi_ops(void) { return NULL; } diff --git a/include/linux/signal.h b/include/linux/signal.h index ab1e0392b5ac..92557bbce7e7 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -239,7 +239,6 @@ extern int sigprocmask(int, sigset_t *, sigset_t *); extern void set_current_blocked(sigset_t *); extern void __set_current_blocked(const sigset_t *); extern int show_unhandled_signals; -extern int sigsuspend(sigset_t *); struct sigaction { #ifndef __ARCH_HAS_IRIX_SIGACTION diff --git a/include/linux/slab.h b/include/linux/slab.h index 7c82e3b307a3..2037a861e367 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -158,6 +158,24 @@ size_t ksize(const void *); #endif /* + * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment. + * Intended for arches that get misalignment faults even for 64 bit integer + * aligned buffers. + */ +#ifndef ARCH_SLAB_MINALIGN +#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) +#endif + +/* + * kmalloc and friends return ARCH_KMALLOC_MINALIGN aligned + * pointers. kmem_cache_alloc and friends return ARCH_SLAB_MINALIGN + * aligned pointers. + */ +#define __assume_kmalloc_alignment __assume_aligned(ARCH_KMALLOC_MINALIGN) +#define __assume_slab_alignment __assume_aligned(ARCH_SLAB_MINALIGN) +#define __assume_page_alignment __assume_aligned(PAGE_SIZE) + +/* * Kmalloc array related definitions */ @@ -286,8 +304,8 @@ static __always_inline int kmalloc_index(size_t size) } #endif /* !CONFIG_SLOB */ -void *__kmalloc(size_t size, gfp_t flags); -void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags); +void *__kmalloc(size_t size, gfp_t flags) __assume_kmalloc_alignment; +void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags) __assume_slab_alignment; void kmem_cache_free(struct kmem_cache *, void *); /* @@ -298,11 +316,11 @@ void kmem_cache_free(struct kmem_cache *, void *); * Note that interrupts must be enabled when calling these functions. */ void kmem_cache_free_bulk(struct kmem_cache *, size_t, void **); -bool kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **); +int kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **); #ifdef CONFIG_NUMA -void *__kmalloc_node(size_t size, gfp_t flags, int node); -void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); +void *__kmalloc_node(size_t size, gfp_t flags, int node) __assume_kmalloc_alignment; +void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node) __assume_slab_alignment; #else static __always_inline void *__kmalloc_node(size_t size, gfp_t flags, int node) { @@ -316,12 +334,12 @@ static __always_inline void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t f #endif #ifdef CONFIG_TRACING -extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t); +extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t) __assume_slab_alignment; #ifdef CONFIG_NUMA extern void *kmem_cache_alloc_node_trace(struct kmem_cache *s, gfp_t gfpflags, - int node, size_t size); + int node, size_t size) __assume_slab_alignment; #else static __always_inline void * kmem_cache_alloc_node_trace(struct kmem_cache *s, @@ -354,10 +372,10 @@ kmem_cache_alloc_node_trace(struct kmem_cache *s, } #endif /* CONFIG_TRACING */ -extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order); +extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment; #ifdef CONFIG_TRACING -extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order); +extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment; #else static __always_inline void * kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order) @@ -482,15 +500,6 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node) return __kmalloc_node(size, flags, node); } -/* - * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment. - * Intended for arches that get misalignment faults even for 64 bit integer - * aligned buffers. - */ -#ifndef ARCH_SLAB_MINALIGN -#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) -#endif - struct memcg_cache_array { struct rcu_head rcu; struct kmem_cache *entries[0]; diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a156b82dd14c..c2b66a277e98 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -524,7 +524,7 @@ asmlinkage long sys_chown(const char __user *filename, asmlinkage long sys_lchown(const char __user *filename, uid_t user, gid_t group); asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); -#ifdef CONFIG_UID16 +#ifdef CONFIG_HAVE_UID16 asmlinkage long sys_chown16(const char __user *filename, old_uid_t user, old_gid_t group); asmlinkage long sys_lchown16(const char __user *filename, diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 4014a59828fc..613c29bd6baf 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -438,7 +438,8 @@ static inline void thermal_zone_device_unregister( static inline int thermal_zone_bind_cooling_device( struct thermal_zone_device *tz, int trip, struct thermal_cooling_device *cdev, - unsigned long upper, unsigned long lower) + unsigned long upper, unsigned long lower, + unsigned int weight) { return -ENODEV; } static inline int thermal_zone_unbind_cooling_device( struct thermal_zone_device *tz, int trip, diff --git a/include/linux/tty.h b/include/linux/tty.h index 5b04b0a5375b..5e31f1b99037 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -607,7 +607,7 @@ extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops); /* tty_audit.c */ #ifdef CONFIG_AUDIT -extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data, +extern void tty_audit_add_data(struct tty_struct *tty, const void *data, size_t size, unsigned icanon); extern void tty_audit_exit(void); extern void tty_audit_fork(struct signal_struct *sig); @@ -615,8 +615,8 @@ extern void tty_audit_tiocsti(struct tty_struct *tty, char ch); extern void tty_audit_push(struct tty_struct *tty); extern int tty_audit_push_current(void); #else -static inline void tty_audit_add_data(struct tty_struct *tty, - unsigned char *data, size_t size, unsigned icanon) +static inline void tty_audit_add_data(struct tty_struct *tty, const void *data, + size_t size, unsigned icanon) { } static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch) diff --git a/include/linux/types.h b/include/linux/types.h index 70d8500bddf1..70dd3dfde631 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -35,7 +35,7 @@ typedef __kernel_gid16_t gid16_t; typedef unsigned long uintptr_t; -#ifdef CONFIG_UID16 +#ifdef CONFIG_HAVE_UID16 /* This is defined by include/asm-{arch}/posix_types.h */ typedef __kernel_old_uid_t old_uid_t; typedef __kernel_old_gid_t old_gid_t; diff --git a/include/net/af_unix.h b/include/net/af_unix.h index b36d837c701e..2a91a0561a47 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -62,6 +62,7 @@ struct unix_sock { #define UNIX_GC_CANDIDATE 0 #define UNIX_GC_MAYBE_CYCLE 1 struct socket_wq peer_wq; + wait_queue_t peer_wake; }; static inline struct unix_sock *unix_sk(const struct sock *sk) diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 2bfb2ad2fab1..877f682989b8 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -133,27 +133,18 @@ void rt6_clean_tohost(struct net *net, struct in6_addr *gateway); /* * Store a destination cache entry in a socket */ -static inline void __ip6_dst_store(struct sock *sk, struct dst_entry *dst, - const struct in6_addr *daddr, - const struct in6_addr *saddr) +static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst, + const struct in6_addr *daddr, + const struct in6_addr *saddr) { struct ipv6_pinfo *np = inet6_sk(sk); - struct rt6_info *rt = (struct rt6_info *) dst; + np->dst_cookie = rt6_get_cookie((struct rt6_info *)dst); sk_setup_caps(sk, dst); np->daddr_cache = daddr; #ifdef CONFIG_IPV6_SUBTREES np->saddr_cache = saddr; #endif - np->dst_cookie = rt6_get_cookie(rt); -} - -static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst, - struct in6_addr *daddr, struct in6_addr *saddr) -{ - spin_lock(&sk->sk_dst_lock); - __ip6_dst_store(sk, dst, daddr, saddr); - spin_unlock(&sk->sk_dst_lock); } static inline bool ipv6_unicast_destination(const struct sk_buff *skb) diff --git a/include/net/ipv6.h b/include/net/ipv6.h index e1a10b0ac0b0..9a5c9f013784 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -205,6 +205,7 @@ extern rwlock_t ip6_ra_lock; */ struct ipv6_txoptions { + atomic_t refcnt; /* Length of this structure */ int tot_len; @@ -217,7 +218,7 @@ struct ipv6_txoptions { struct ipv6_opt_hdr *dst0opt; struct ipv6_rt_hdr *srcrt; /* Routing Header */ struct ipv6_opt_hdr *dst1opt; - + struct rcu_head rcu; /* Option buffer, as read by IPV6_PKTOPTIONS, starts here. */ }; @@ -252,6 +253,24 @@ struct ipv6_fl_socklist { struct rcu_head rcu; }; +static inline struct ipv6_txoptions *txopt_get(const struct ipv6_pinfo *np) +{ + struct ipv6_txoptions *opt; + + rcu_read_lock(); + opt = rcu_dereference(np->opt); + if (opt && !atomic_inc_not_zero(&opt->refcnt)) + opt = NULL; + rcu_read_unlock(); + return opt; +} + +static inline void txopt_put(struct ipv6_txoptions *opt) +{ + if (opt && atomic_dec_and_test(&opt->refcnt)) + kfree_rcu(opt, rcu); +} + struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk, __be32 label); struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions *opt_space, struct ip6_flowlabel *fl, @@ -490,6 +509,7 @@ struct ip6_create_arg { u32 user; const struct in6_addr *src; const struct in6_addr *dst; + int iif; u8 ecn; }; diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 82045fca388b..760bc4d5a2cf 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2003,8 +2003,10 @@ enum ieee80211_hw_flags { * it shouldn't be set. * * @max_tx_aggregation_subframes: maximum number of subframes in an - * aggregate an HT driver will transmit, used by the peer as a - * hint to size its reorder buffer. + * aggregate an HT driver will transmit. Though ADDBA will advertise + * a constant value of 64 as some older APs can crash if the window + * size is smaller (an example is LinkSys WRT120N with FW v1.0.07 + * build 002 Jun 18 2012). * * @offchannel_tx_hw_queue: HW queue ID to use for offchannel TX * (if %IEEE80211_HW_QUEUE_CONTROL is set) diff --git a/include/net/ndisc.h b/include/net/ndisc.h index bf3937431030..2d8edaad29cb 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -181,8 +181,7 @@ void ndisc_cleanup(void); int ndisc_rcv(struct sk_buff *skb); void ndisc_send_ns(struct net_device *dev, const struct in6_addr *solicit, - const struct in6_addr *daddr, const struct in6_addr *saddr, - struct sk_buff *oskb); + const struct in6_addr *daddr, const struct in6_addr *saddr); void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr, const struct in6_addr *daddr); diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 4c79ce8c1f92..b2a8e6338576 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -61,6 +61,9 @@ struct Qdisc { */ #define TCQ_F_WARN_NONWC (1 << 16) #define TCQ_F_CPUSTATS 0x20 /* run using percpu statistics */ +#define TCQ_F_NOPARENT 0x40 /* root of its hierarchy : + * qdisc_tree_decrease_qlen() should stop. + */ u32 limit; const struct Qdisc_ops *ops; struct qdisc_size_table __rcu *stab; diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 495c87e367b3..7bbb71081aeb 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -775,10 +775,10 @@ struct sctp_transport { hb_sent:1, /* Is the Path MTU update pending on this tranport */ - pmtu_pending:1; + pmtu_pending:1, - /* Has this transport moved the ctsn since we last sacked */ - __u32 sack_generation; + /* Has this transport moved the ctsn since we last sacked */ + sack_generation:1; u32 dst_cookie; struct flowi fl; @@ -1482,19 +1482,19 @@ struct sctp_association { prsctp_capable:1, /* Can peer do PR-SCTP? */ auth_capable:1; /* Is peer doing SCTP-AUTH? */ - /* Ack State : This flag indicates if the next received + /* sack_needed : This flag indicates if the next received * : packet is to be responded to with a - * : SACK. This is initializedto 0. When a packet - * : is received it is incremented. If this value + * : SACK. This is initialized to 0. When a packet + * : is received sack_cnt is incremented. If this value * : reaches 2 or more, a SACK is sent and the * : value is reset to 0. Note: This is used only * : when no DATA chunks are received out of * : order. When DATA chunks are out of order, * : SACK's are not delayed (see Section 6). */ - __u8 sack_needed; /* Do we need to sack the peer? */ + __u8 sack_needed:1, /* Do we need to sack the peer? */ + sack_generation:1; __u32 sack_cnt; - __u32 sack_generation; __u32 adaptation_ind; /* Adaptation Code point. */ diff --git a/include/net/sock.h b/include/net/sock.h index 7f89e4ba18d1..52d27ee924f4 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -254,7 +254,6 @@ struct cg_proto; * @sk_wq: sock wait queue and async head * @sk_rx_dst: receive input route used by early demux * @sk_dst_cache: destination cache - * @sk_dst_lock: destination cache lock * @sk_policy: flow policy * @sk_receive_queue: incoming packets * @sk_wmem_alloc: transmit queue bytes committed @@ -384,14 +383,16 @@ struct sock { int sk_rcvbuf; struct sk_filter __rcu *sk_filter; - struct socket_wq __rcu *sk_wq; - + union { + struct socket_wq __rcu *sk_wq; + struct socket_wq *sk_wq_raw; + }; #ifdef CONFIG_XFRM struct xfrm_policy *sk_policy[2]; #endif struct dst_entry *sk_rx_dst; struct dst_entry __rcu *sk_dst_cache; - spinlock_t sk_dst_lock; + /* Note: 32bit hole on 64bit arches */ atomic_t sk_wmem_alloc; atomic_t sk_omem_alloc; int sk_sndbuf; @@ -2005,10 +2006,27 @@ static inline unsigned long sock_wspace(struct sock *sk) return amt; } -static inline void sk_wake_async(struct sock *sk, int how, int band) +/* Note: + * We use sk->sk_wq_raw, from contexts knowing this + * pointer is not NULL and cannot disappear/change. + */ +static inline void sk_set_bit(int nr, struct sock *sk) { - if (sock_flag(sk, SOCK_FASYNC)) - sock_wake_async(sk->sk_socket, how, band); + set_bit(nr, &sk->sk_wq_raw->flags); +} + +static inline void sk_clear_bit(int nr, struct sock *sk) +{ + clear_bit(nr, &sk->sk_wq_raw->flags); +} + +static inline void sk_wake_async(const struct sock *sk, int how, int band) +{ + if (sock_flag(sk, SOCK_FASYNC)) { + rcu_read_lock(); + sock_wake_async(rcu_dereference(sk->sk_wq), how, band); + rcu_read_unlock(); + } } /* Since sk_{r,w}mem_alloc sums skb->truesize, even a small frame might diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index ed527121031d..fcfa3d7f5e7e 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -668,6 +668,9 @@ struct Scsi_Host { unsigned use_blk_mq:1; unsigned use_cmd_list:1; + /* Host responded with short (<36 bytes) INQUIRY result */ + unsigned short_inquiry:1; + /* * Optional work queue to be utilized by the transport */ diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index 0bd71e2702e3..13c0b2ba1b6c 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -10,6 +10,15 @@ struct scsi_transport_template; struct sas_rphy; struct request; +#if !IS_ENABLED(CONFIG_SCSI_SAS_ATTRS) +static inline int is_sas_attached(struct scsi_device *sdev) +{ + return 0; +} +#else +extern int is_sas_attached(struct scsi_device *sdev); +#endif + static inline int sas_protocol_ata(enum sas_protocol proto) { return ((proto & SAS_PROTOCOL_SATA) || @@ -180,6 +189,7 @@ extern int sas_phy_add(struct sas_phy *); extern void sas_phy_delete(struct sas_phy *); extern int scsi_is_sas_phy(const struct device *); +u64 sas_get_address(struct scsi_device *); unsigned int sas_tlr_supported(struct scsi_device *); unsigned int sas_is_tlr_enabled(struct scsi_device *); void sas_disable_tlr(struct scsi_device *); diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 7855cfe46b69..95a937eafb79 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -398,6 +398,7 @@ int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_route *route, int num); void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w); +void snd_soc_dapm_reset_cache(struct snd_soc_dapm_context *dapm); /* dapm events */ void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 0a2c74008e53..aabf0aca0171 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -474,7 +474,7 @@ struct se_cmd { struct completion cmd_wait_comp; const struct target_core_fabric_ops *se_tfo; sense_reason_t (*execute_cmd)(struct se_cmd *); - sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool); + sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool, int *); void *protocol_data; unsigned char *t_task_cdb; diff --git a/include/uapi/linux/nfs.h b/include/uapi/linux/nfs.h index 654bae3f1a38..5e6296160361 100644 --- a/include/uapi/linux/nfs.h +++ b/include/uapi/linux/nfs.h @@ -33,17 +33,6 @@ #define NFS_PIPE_DIRNAME "nfs" -/* NFS ioctls */ -/* Let's follow btrfs lead on CLONE to avoid messing userspace */ -#define NFS_IOC_CLONE _IOW(0x94, 9, int) -#define NFS_IOC_CLONE_RANGE _IOW(0x94, 13, int) - -struct nfs_ioctl_clone_range_args { - __s64 src_fd; - __u64 src_off, count; - __u64 dst_off; -}; - /* * NFS stats. The good thing with these values is that NFSv3 errors are * a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h index 85dedca3dcfb..eeba75395f7d 100644 --- a/include/video/imx-ipu-v3.h +++ b/include/video/imx-ipu-v3.h @@ -343,7 +343,6 @@ struct ipu_client_platformdata { int di; int dc; int dp; - int dmfc; int dma[2]; }; diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index 3f4c99e06c6b..b0799bced518 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -28,11 +28,17 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr) attr->value_size == 0) return ERR_PTR(-EINVAL); + if (attr->value_size >= 1 << (KMALLOC_SHIFT_MAX - 1)) + /* if value_size is bigger, the user space won't be able to + * access the elements. + */ + return ERR_PTR(-E2BIG); + elem_size = round_up(attr->value_size, 8); /* check round_up into zero and u32 overflow */ if (elem_size == 0 || - attr->max_entries > (U32_MAX - sizeof(*array)) / elem_size) + attr->max_entries > (U32_MAX - PAGE_SIZE - sizeof(*array)) / elem_size) return ERR_PTR(-ENOMEM); array_size = sizeof(*array) + attr->max_entries * elem_size; @@ -105,7 +111,7 @@ static int array_map_update_elem(struct bpf_map *map, void *key, void *value, /* all elements already exist */ return -EEXIST; - memcpy(array->value + array->elem_size * index, value, array->elem_size); + memcpy(array->value + array->elem_size * index, value, map->value_size); return 0; } diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 19909b22b4f8..34777b3746fa 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -64,12 +64,35 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) */ goto free_htab; - err = -ENOMEM; + if (htab->map.value_size >= (1 << (KMALLOC_SHIFT_MAX - 1)) - + MAX_BPF_STACK - sizeof(struct htab_elem)) + /* if value_size is bigger, the user space won't be able to + * access the elements via bpf syscall. This check also makes + * sure that the elem_size doesn't overflow and it's + * kmalloc-able later in htab_map_update_elem() + */ + goto free_htab; + + htab->elem_size = sizeof(struct htab_elem) + + round_up(htab->map.key_size, 8) + + htab->map.value_size; + /* prevent zero size kmalloc and check for u32 overflow */ if (htab->n_buckets == 0 || htab->n_buckets > U32_MAX / sizeof(struct hlist_head)) goto free_htab; + if ((u64) htab->n_buckets * sizeof(struct hlist_head) + + (u64) htab->elem_size * htab->map.max_entries >= + U32_MAX - PAGE_SIZE) + /* make sure page count doesn't overflow */ + goto free_htab; + + htab->map.pages = round_up(htab->n_buckets * sizeof(struct hlist_head) + + htab->elem_size * htab->map.max_entries, + PAGE_SIZE) >> PAGE_SHIFT; + + err = -ENOMEM; htab->buckets = kmalloc_array(htab->n_buckets, sizeof(struct hlist_head), GFP_USER | __GFP_NOWARN); @@ -85,13 +108,6 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) raw_spin_lock_init(&htab->lock); htab->count = 0; - htab->elem_size = sizeof(struct htab_elem) + - round_up(htab->map.key_size, 8) + - htab->map.value_size; - - htab->map.pages = round_up(htab->n_buckets * sizeof(struct hlist_head) + - htab->elem_size * htab->map.max_entries, - PAGE_SIZE) >> PAGE_SHIFT; return &htab->map; free_htab: @@ -222,7 +238,7 @@ static int htab_map_update_elem(struct bpf_map *map, void *key, void *value, WARN_ON_ONCE(!rcu_read_lock_held()); /* allocate new element outside of lock */ - l_new = kmalloc(htab->elem_size, GFP_ATOMIC); + l_new = kmalloc(htab->elem_size, GFP_ATOMIC | __GFP_NOWARN); if (!l_new) return -ENOMEM; diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c index be6d726e31c9..5a8a797d50b7 100644 --- a/kernel/bpf/inode.c +++ b/kernel/bpf/inode.c @@ -34,7 +34,7 @@ static void *bpf_any_get(void *raw, enum bpf_type type) atomic_inc(&((struct bpf_prog *)raw)->aux->refcnt); break; case BPF_TYPE_MAP: - atomic_inc(&((struct bpf_map *)raw)->refcnt); + bpf_map_inc(raw, true); break; default: WARN_ON_ONCE(1); @@ -51,7 +51,7 @@ static void bpf_any_put(void *raw, enum bpf_type type) bpf_prog_put(raw); break; case BPF_TYPE_MAP: - bpf_map_put(raw); + bpf_map_put_with_uref(raw); break; default: WARN_ON_ONCE(1); @@ -64,7 +64,7 @@ static void *bpf_fd_probe_obj(u32 ufd, enum bpf_type *type) void *raw; *type = BPF_TYPE_MAP; - raw = bpf_map_get(ufd); + raw = bpf_map_get_with_uref(ufd); if (IS_ERR(raw)) { *type = BPF_TYPE_PROG; raw = bpf_prog_get(ufd); diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 0d3313d02a7e..3b39550d8485 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -82,6 +82,14 @@ static void bpf_map_free_deferred(struct work_struct *work) map->ops->map_free(map); } +static void bpf_map_put_uref(struct bpf_map *map) +{ + if (atomic_dec_and_test(&map->usercnt)) { + if (map->map_type == BPF_MAP_TYPE_PROG_ARRAY) + bpf_fd_array_map_clear(map); + } +} + /* decrement map refcnt and schedule it for freeing via workqueue * (unrelying map implementation ops->map_free() might sleep) */ @@ -93,17 +101,15 @@ void bpf_map_put(struct bpf_map *map) } } -static int bpf_map_release(struct inode *inode, struct file *filp) +void bpf_map_put_with_uref(struct bpf_map *map) { - struct bpf_map *map = filp->private_data; - - if (map->map_type == BPF_MAP_TYPE_PROG_ARRAY) - /* prog_array stores refcnt-ed bpf_prog pointers - * release them all when user space closes prog_array_fd - */ - bpf_fd_array_map_clear(map); - + bpf_map_put_uref(map); bpf_map_put(map); +} + +static int bpf_map_release(struct inode *inode, struct file *filp) +{ + bpf_map_put_with_uref(filp->private_data); return 0; } @@ -142,6 +148,7 @@ static int map_create(union bpf_attr *attr) return PTR_ERR(map); atomic_set(&map->refcnt, 1); + atomic_set(&map->usercnt, 1); err = bpf_map_charge_memlock(map); if (err) @@ -174,7 +181,14 @@ struct bpf_map *__bpf_map_get(struct fd f) return f.file->private_data; } -struct bpf_map *bpf_map_get(u32 ufd) +void bpf_map_inc(struct bpf_map *map, bool uref) +{ + atomic_inc(&map->refcnt); + if (uref) + atomic_inc(&map->usercnt); +} + +struct bpf_map *bpf_map_get_with_uref(u32 ufd) { struct fd f = fdget(ufd); struct bpf_map *map; @@ -183,7 +197,7 @@ struct bpf_map *bpf_map_get(u32 ufd) if (IS_ERR(map)) return map; - atomic_inc(&map->refcnt); + bpf_map_inc(map, true); fdput(f); return map; @@ -226,7 +240,7 @@ static int map_lookup_elem(union bpf_attr *attr) goto free_key; err = -ENOMEM; - value = kmalloc(map->value_size, GFP_USER); + value = kmalloc(map->value_size, GFP_USER | __GFP_NOWARN); if (!value) goto free_key; @@ -285,7 +299,7 @@ static int map_update_elem(union bpf_attr *attr) goto free_key; err = -ENOMEM; - value = kmalloc(map->value_size, GFP_USER); + value = kmalloc(map->value_size, GFP_USER | __GFP_NOWARN); if (!value) goto free_key; diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index c6073056badf..a7945d10b378 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -2021,8 +2021,7 @@ static int replace_map_fd_with_map_ptr(struct verifier_env *env) * will be used by the valid program until it's unloaded * and all maps are released in free_bpf_prog_info() */ - atomic_inc(&map->refcnt); - + bpf_map_inc(map, false); fdput(f); next_insn: insn++; diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index 6e5344112419..db545cbcdb89 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -294,6 +294,12 @@ static int klp_write_object_relocations(struct module *pmod, for (reloc = obj->relocs; reloc->name; reloc++) { if (!klp_is_module(obj)) { + +#if defined(CONFIG_RANDOMIZE_BASE) + /* If KASLR has been enabled, adjust old value accordingly */ + if (kaslr_enabled()) + reloc->val += kaslr_offset(); +#endif ret = klp_verify_vmlinux_symbol(reloc->name, reloc->val); if (ret) diff --git a/kernel/panic.c b/kernel/panic.c index 4579dbb7ed87..4b150bc0c6c1 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -152,8 +152,11 @@ void panic(const char *fmt, ...) * We may have ended up stopping the CPU holding the lock (in * smp_send_stop()) while still having some valuable data in the console * buffer. Try to acquire the lock then release it regardless of the - * result. The release will also print the buffers out. + * result. The release will also print the buffers out. Locks debug + * should be disabled to avoid reporting bad unlock balance when + * panic() is not being callled from OOPS. */ + debug_locks_off(); console_trylock(); console_unlock(); diff --git a/kernel/pid.c b/kernel/pid.c index ca368793808e..78b3d9f80d44 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -467,7 +467,7 @@ struct pid *get_task_pid(struct task_struct *task, enum pid_type type) rcu_read_lock(); if (type != PIDTYPE_PID) task = task->group_leader; - pid = get_pid(task->pids[type].pid); + pid = get_pid(rcu_dereference(task->pids[type].pid)); rcu_read_unlock(); return pid; } @@ -528,7 +528,7 @@ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type, if (likely(pid_alive(task))) { if (type != PIDTYPE_PID) task = task->group_leader; - nr = pid_nr_ns(task->pids[type].pid, ns); + nr = pid_nr_ns(rcu_dereference(task->pids[type].pid), ns); } rcu_read_unlock(); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4d568ac9319e..7063c6a07440 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1947,13 +1947,38 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags) #ifdef CONFIG_SMP /* + * Ensure we load p->on_cpu _after_ p->on_rq, otherwise it would be + * possible to, falsely, observe p->on_cpu == 0. + * + * One must be running (->on_cpu == 1) in order to remove oneself + * from the runqueue. + * + * [S] ->on_cpu = 1; [L] ->on_rq + * UNLOCK rq->lock + * RMB + * LOCK rq->lock + * [S] ->on_rq = 0; [L] ->on_cpu + * + * Pairs with the full barrier implied in the UNLOCK+LOCK on rq->lock + * from the consecutive calls to schedule(); the first switching to our + * task, the second putting it to sleep. + */ + smp_rmb(); + + /* * If the owning (remote) cpu is still in the middle of schedule() with * this task as prev, wait until its done referencing the task. */ while (p->on_cpu) cpu_relax(); /* - * Pairs with the smp_wmb() in finish_lock_switch(). + * Combined with the control dependency above, we have an effective + * smp_load_acquire() without the need for full barriers. + * + * Pairs with the smp_store_release() in finish_lock_switch(). + * + * This ensures that tasks getting woken will be fully ordered against + * their previous state and preserve Program Order. */ smp_rmb(); @@ -2039,7 +2064,6 @@ out: */ int wake_up_process(struct task_struct *p) { - WARN_ON(task_is_stopped_or_traced(p)); return try_to_wake_up(p, TASK_NORMAL, 0); } EXPORT_SYMBOL(wake_up_process); @@ -5847,13 +5871,13 @@ static int init_rootdomain(struct root_domain *rd) { memset(rd, 0, sizeof(*rd)); - if (!alloc_cpumask_var(&rd->span, GFP_KERNEL)) + if (!zalloc_cpumask_var(&rd->span, GFP_KERNEL)) goto out; - if (!alloc_cpumask_var(&rd->online, GFP_KERNEL)) + if (!zalloc_cpumask_var(&rd->online, GFP_KERNEL)) goto free_span; - if (!alloc_cpumask_var(&rd->dlo_mask, GFP_KERNEL)) + if (!zalloc_cpumask_var(&rd->dlo_mask, GFP_KERNEL)) goto free_online; - if (!alloc_cpumask_var(&rd->rto_mask, GFP_KERNEL)) + if (!zalloc_cpumask_var(&rd->rto_mask, GFP_KERNEL)) goto free_dlo_mask; init_dl_bw(&rd->dl_bw); diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 26a54461bf59..05de80b48586 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -788,6 +788,9 @@ cputime_t task_gtime(struct task_struct *t) unsigned int seq; cputime_t gtime; + if (!context_tracking_is_enabled()) + return t->gtime; + do { seq = read_seqbegin(&t->vtime_seqlock); diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index e3cc16312046..8ec86abe0ea1 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -64,7 +64,7 @@ static void start_rt_bandwidth(struct rt_bandwidth *rt_b) raw_spin_unlock(&rt_b->rt_runtime_lock); } -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(HAVE_RT_PUSH_IPI) static void push_irq_work_func(struct irq_work *work); #endif diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index efd3bfc7e347..b242775bf670 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1073,6 +1073,9 @@ static inline void finish_lock_switch(struct rq *rq, struct task_struct *prev) * We must ensure this doesn't happen until the switch is completely * finished. * + * In particular, the load of prev->state in finish_task_switch() must + * happen before this. + * * Pairs with the control dependency and rmb in try_to_wake_up(). */ smp_store_release(&prev->on_cpu, 0); diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c index 052e02672d12..f10bd873e684 100644 --- a/kernel/sched/wait.c +++ b/kernel/sched/wait.c @@ -583,18 +583,18 @@ EXPORT_SYMBOL(wake_up_atomic_t); __sched int bit_wait(struct wait_bit_key *word) { - if (signal_pending_state(current->state, current)) - return 1; schedule(); + if (signal_pending(current)) + return -EINTR; return 0; } EXPORT_SYMBOL(bit_wait); __sched int bit_wait_io(struct wait_bit_key *word) { - if (signal_pending_state(current->state, current)) - return 1; io_schedule(); + if (signal_pending(current)) + return -EINTR; return 0; } EXPORT_SYMBOL(bit_wait_io); @@ -602,11 +602,11 @@ EXPORT_SYMBOL(bit_wait_io); __sched int bit_wait_timeout(struct wait_bit_key *word) { unsigned long now = READ_ONCE(jiffies); - if (signal_pending_state(current->state, current)) - return 1; if (time_after_eq(now, word->timeout)) return -EAGAIN; schedule_timeout(word->timeout - now); + if (signal_pending(current)) + return -EINTR; return 0; } EXPORT_SYMBOL_GPL(bit_wait_timeout); @@ -614,11 +614,11 @@ EXPORT_SYMBOL_GPL(bit_wait_timeout); __sched int bit_wait_io_timeout(struct wait_bit_key *word) { unsigned long now = READ_ONCE(jiffies); - if (signal_pending_state(current->state, current)) - return 1; if (time_after_eq(now, word->timeout)) return -EAGAIN; io_schedule_timeout(word->timeout - now); + if (signal_pending(current)) + return -EINTR; return 0; } EXPORT_SYMBOL_GPL(bit_wait_io_timeout); diff --git a/kernel/signal.c b/kernel/signal.c index c0b01fe24bbd..f3f1f7a972fd 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -3503,7 +3503,7 @@ SYSCALL_DEFINE0(pause) #endif -int sigsuspend(sigset_t *set) +static int sigsuspend(sigset_t *set) { current->saved_sigmask = current->blocked; set_current_blocked(set); diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 75f1d05ea82d..9c6045a27ba3 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1887,12 +1887,6 @@ rb_event_index(struct ring_buffer_event *event) return (addr & ~PAGE_MASK) - BUF_PAGE_HDR_SIZE; } -static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer) -{ - cpu_buffer->read_stamp = cpu_buffer->reader_page->page->time_stamp; - cpu_buffer->reader_page->read = 0; -} - static void rb_inc_iter(struct ring_buffer_iter *iter) { struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer; @@ -2803,8 +2797,11 @@ rb_reserve_next_event(struct ring_buffer *buffer, event = __rb_reserve_next(cpu_buffer, &info); - if (unlikely(PTR_ERR(event) == -EAGAIN)) + if (unlikely(PTR_ERR(event) == -EAGAIN)) { + if (info.add_timestamp) + info.length -= RB_LEN_TIME_EXTEND; goto again; + } if (!event) goto out_fail; @@ -3626,7 +3623,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) /* Finally update the reader page to the new head */ cpu_buffer->reader_page = reader; - rb_reset_reader_page(cpu_buffer); + cpu_buffer->reader_page->read = 0; if (overwrite != cpu_buffer->last_overrun) { cpu_buffer->lost_events = overwrite - cpu_buffer->last_overrun; @@ -3636,6 +3633,10 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) goto again; out: + /* Update the read_stamp on the first event */ + if (reader && reader->read == 0) + cpu_buffer->read_stamp = reader->page->time_stamp; + arch_spin_unlock(&cpu_buffer->lock); local_irq_restore(flags); diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 6bbc5f652355..4f6ef6912e00 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -582,6 +582,12 @@ static void __ftrace_clear_event_pids(struct trace_array *tr) unregister_trace_sched_wakeup(event_filter_pid_sched_wakeup_probe_pre, tr); unregister_trace_sched_wakeup(event_filter_pid_sched_wakeup_probe_post, tr); + unregister_trace_sched_wakeup_new(event_filter_pid_sched_wakeup_probe_pre, tr); + unregister_trace_sched_wakeup_new(event_filter_pid_sched_wakeup_probe_post, tr); + + unregister_trace_sched_waking(event_filter_pid_sched_wakeup_probe_pre, tr); + unregister_trace_sched_waking(event_filter_pid_sched_wakeup_probe_post, tr); + list_for_each_entry(file, &tr->events, list) { clear_bit(EVENT_FILE_FL_PID_FILTER_BIT, &file->flags); } @@ -1729,6 +1735,16 @@ ftrace_event_pid_write(struct file *filp, const char __user *ubuf, tr, INT_MAX); register_trace_prio_sched_wakeup(event_filter_pid_sched_wakeup_probe_post, tr, 0); + + register_trace_prio_sched_wakeup_new(event_filter_pid_sched_wakeup_probe_pre, + tr, INT_MAX); + register_trace_prio_sched_wakeup_new(event_filter_pid_sched_wakeup_probe_post, + tr, 0); + + register_trace_prio_sched_waking(event_filter_pid_sched_wakeup_probe_pre, + tr, INT_MAX); + register_trace_prio_sched_waking(event_filter_pid_sched_wakeup_probe_post, + tr, 0); } /* diff --git a/mm/huge_memory.c b/mm/huge_memory.c index c29ddebc8705..62fe06bb7d04 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2009,7 +2009,7 @@ int hugepage_madvise(struct vm_area_struct *vma, /* * Be somewhat over-protective like KSM for now! */ - if (*vm_flags & (VM_HUGEPAGE | VM_NO_THP)) + if (*vm_flags & VM_NO_THP) return -EINVAL; *vm_flags &= ~VM_NOHUGEPAGE; *vm_flags |= VM_HUGEPAGE; @@ -2025,7 +2025,7 @@ int hugepage_madvise(struct vm_area_struct *vma, /* * Be somewhat over-protective like KSM for now! */ - if (*vm_flags & (VM_NOHUGEPAGE | VM_NO_THP)) + if (*vm_flags & VM_NO_THP) return -EINVAL; *vm_flags &= ~VM_HUGEPAGE; *vm_flags |= VM_NOHUGEPAGE; diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c index d41b21bce6a0..bc0a8d8b8f42 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -19,6 +19,7 @@ #include <linux/export.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/kmemleak.h> #include <linux/memblock.h> #include <linux/memory.h> #include <linux/mm.h> @@ -444,6 +445,7 @@ int kasan_module_alloc(void *addr, size_t size) if (ret) { find_vm_area(addr)->flags |= VM_KASAN; + kmemleak_ignore(ret); return 0; } diff --git a/mm/memory.c b/mm/memory.c index deb679c31f2a..c387430f06c3 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3015,9 +3015,9 @@ static int do_cow_fault(struct mm_struct *mm, struct vm_area_struct *vma, } else { /* * The fault handler has no page to lock, so it holds - * i_mmap_lock for write to protect against truncate. + * i_mmap_lock for read to protect against truncate. */ - i_mmap_unlock_write(vma->vm_file->f_mapping); + i_mmap_unlock_read(vma->vm_file->f_mapping); } goto uncharge_out; } @@ -3031,9 +3031,9 @@ static int do_cow_fault(struct mm_struct *mm, struct vm_area_struct *vma, } else { /* * The fault handler has no page to lock, so it holds - * i_mmap_lock for write to protect against truncate. + * i_mmap_lock for read to protect against truncate. */ - i_mmap_unlock_write(vma->vm_file->f_mapping); + i_mmap_unlock_read(vma->vm_file->f_mapping); } return ret; uncharge_out: diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 2c90357c34ea..3e4d65445fa7 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1542,7 +1542,9 @@ static void balance_dirty_pages(struct address_space *mapping, for (;;) { unsigned long now = jiffies; unsigned long dirty, thresh, bg_thresh; - unsigned long m_dirty, m_thresh, m_bg_thresh; + unsigned long m_dirty = 0; /* stop bogus uninit warnings */ + unsigned long m_thresh = 0; + unsigned long m_bg_thresh = 0; /* * Unstable writes are a feature of certain networked diff --git a/mm/slab.c b/mm/slab.c index e0819fa96559..4765c97ce690 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3419,7 +3419,7 @@ void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p) } EXPORT_SYMBOL(kmem_cache_free_bulk); -bool kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, +int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, void **p) { return __kmem_cache_alloc_bulk(s, flags, size, p); diff --git a/mm/slab.h b/mm/slab.h index 27492eb678f7..7b6087197997 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -170,7 +170,7 @@ ssize_t slabinfo_write(struct file *file, const char __user *buffer, * may be allocated or freed using these operations. */ void __kmem_cache_free_bulk(struct kmem_cache *, size_t, void **); -bool __kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **); +int __kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **); #ifdef CONFIG_MEMCG_KMEM /* diff --git a/mm/slab_common.c b/mm/slab_common.c index d88e97c10a2e..3c6a86b4ec25 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -112,7 +112,7 @@ void __kmem_cache_free_bulk(struct kmem_cache *s, size_t nr, void **p) kmem_cache_free(s, p[i]); } -bool __kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t nr, +int __kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t nr, void **p) { size_t i; @@ -121,10 +121,10 @@ bool __kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t nr, void *x = p[i] = kmem_cache_alloc(s, flags); if (!x) { __kmem_cache_free_bulk(s, i, p); - return false; + return 0; } } - return true; + return i; } #ifdef CONFIG_MEMCG_KMEM diff --git a/mm/slob.c b/mm/slob.c index 0d7e5df74d1f..17e8f8cc7c53 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -617,7 +617,7 @@ void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p) } EXPORT_SYMBOL(kmem_cache_free_bulk); -bool kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, +int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, void **p) { return __kmem_cache_alloc_bulk(s, flags, size, p); diff --git a/mm/slub.c b/mm/slub.c index 7cb4bf9ae320..46997517406e 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1065,11 +1065,15 @@ bad: return 0; } +/* Supports checking bulk free of a constructed freelist */ static noinline struct kmem_cache_node *free_debug_processing( - struct kmem_cache *s, struct page *page, void *object, + struct kmem_cache *s, struct page *page, + void *head, void *tail, int bulk_cnt, unsigned long addr, unsigned long *flags) { struct kmem_cache_node *n = get_node(s, page_to_nid(page)); + void *object = head; + int cnt = 0; spin_lock_irqsave(&n->list_lock, *flags); slab_lock(page); @@ -1077,6 +1081,9 @@ static noinline struct kmem_cache_node *free_debug_processing( if (!check_slab(s, page)) goto fail; +next_object: + cnt++; + if (!check_valid_pointer(s, page, object)) { slab_err(s, page, "Invalid object pointer 0x%p", object); goto fail; @@ -1107,8 +1114,19 @@ static noinline struct kmem_cache_node *free_debug_processing( if (s->flags & SLAB_STORE_USER) set_track(s, object, TRACK_FREE, addr); trace(s, page, object, 0); + /* Freepointer not overwritten by init_object(), SLAB_POISON moved it */ init_object(s, object, SLUB_RED_INACTIVE); + + /* Reached end of constructed freelist yet? */ + if (object != tail) { + object = get_freepointer(s, object); + goto next_object; + } out: + if (cnt != bulk_cnt) + slab_err(s, page, "Bulk freelist count(%d) invalid(%d)\n", + bulk_cnt, cnt); + slab_unlock(page); /* * Keep node_lock to preserve integrity @@ -1204,7 +1222,7 @@ unsigned long kmem_cache_flags(unsigned long object_size, return flags; } -#else +#else /* !CONFIG_SLUB_DEBUG */ static inline void setup_object_debug(struct kmem_cache *s, struct page *page, void *object) {} @@ -1212,7 +1230,8 @@ static inline int alloc_debug_processing(struct kmem_cache *s, struct page *page, void *object, unsigned long addr) { return 0; } static inline struct kmem_cache_node *free_debug_processing( - struct kmem_cache *s, struct page *page, void *object, + struct kmem_cache *s, struct page *page, + void *head, void *tail, int bulk_cnt, unsigned long addr, unsigned long *flags) { return NULL; } static inline int slab_pad_check(struct kmem_cache *s, struct page *page) @@ -1273,14 +1292,21 @@ static inline struct kmem_cache *slab_pre_alloc_hook(struct kmem_cache *s, return memcg_kmem_get_cache(s, flags); } -static inline void slab_post_alloc_hook(struct kmem_cache *s, - gfp_t flags, void *object) +static inline void slab_post_alloc_hook(struct kmem_cache *s, gfp_t flags, + size_t size, void **p) { + size_t i; + flags &= gfp_allowed_mask; - kmemcheck_slab_alloc(s, flags, object, slab_ksize(s)); - kmemleak_alloc_recursive(object, s->object_size, 1, s->flags, flags); + for (i = 0; i < size; i++) { + void *object = p[i]; + + kmemcheck_slab_alloc(s, flags, object, slab_ksize(s)); + kmemleak_alloc_recursive(object, s->object_size, 1, + s->flags, flags); + kasan_slab_alloc(s, object); + } memcg_kmem_put_cache(s); - kasan_slab_alloc(s, object); } static inline void slab_free_hook(struct kmem_cache *s, void *x) @@ -1308,6 +1334,29 @@ static inline void slab_free_hook(struct kmem_cache *s, void *x) kasan_slab_free(s, x); } +static inline void slab_free_freelist_hook(struct kmem_cache *s, + void *head, void *tail) +{ +/* + * Compiler cannot detect this function can be removed if slab_free_hook() + * evaluates to nothing. Thus, catch all relevant config debug options here. + */ +#if defined(CONFIG_KMEMCHECK) || \ + defined(CONFIG_LOCKDEP) || \ + defined(CONFIG_DEBUG_KMEMLEAK) || \ + defined(CONFIG_DEBUG_OBJECTS_FREE) || \ + defined(CONFIG_KASAN) + + void *object = head; + void *tail_obj = tail ? : head; + + do { + slab_free_hook(s, object); + } while ((object != tail_obj) && + (object = get_freepointer(s, object))); +#endif +} + static void setup_object(struct kmem_cache *s, struct page *page, void *object) { @@ -2295,23 +2344,15 @@ static inline void *get_freelist(struct kmem_cache *s, struct page *page) * And if we were unable to get a new slab from the partial slab lists then * we need to allocate a new slab. This is the slowest path since it involves * a call to the page allocator and the setup of a new slab. + * + * Version of __slab_alloc to use when we know that interrupts are + * already disabled (which is the case for bulk allocation). */ -static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, +static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, unsigned long addr, struct kmem_cache_cpu *c) { void *freelist; struct page *page; - unsigned long flags; - - local_irq_save(flags); -#ifdef CONFIG_PREEMPT - /* - * We may have been preempted and rescheduled on a different - * cpu before disabling interrupts. Need to reload cpu area - * pointer. - */ - c = this_cpu_ptr(s->cpu_slab); -#endif page = c->page; if (!page) @@ -2369,7 +2410,6 @@ load_freelist: VM_BUG_ON(!c->page->frozen); c->freelist = get_freepointer(s, freelist); c->tid = next_tid(c->tid); - local_irq_restore(flags); return freelist; new_slab: @@ -2386,7 +2426,6 @@ new_slab: if (unlikely(!freelist)) { slab_out_of_memory(s, gfpflags, node); - local_irq_restore(flags); return NULL; } @@ -2402,11 +2441,35 @@ new_slab: deactivate_slab(s, page, get_freepointer(s, freelist)); c->page = NULL; c->freelist = NULL; - local_irq_restore(flags); return freelist; } /* + * Another one that disabled interrupt and compensates for possible + * cpu changes by refetching the per cpu area pointer. + */ +static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, + unsigned long addr, struct kmem_cache_cpu *c) +{ + void *p; + unsigned long flags; + + local_irq_save(flags); +#ifdef CONFIG_PREEMPT + /* + * We may have been preempted and rescheduled on a different + * cpu before disabling interrupts. Need to reload cpu area + * pointer. + */ + c = this_cpu_ptr(s->cpu_slab); +#endif + + p = ___slab_alloc(s, gfpflags, node, addr, c); + local_irq_restore(flags); + return p; +} + +/* * Inlined fastpath so that allocation functions (kmalloc, kmem_cache_alloc) * have the fastpath folded into their functions. So no function call * overhead for requests that can be satisfied on the fastpath. @@ -2419,7 +2482,7 @@ new_slab: static __always_inline void *slab_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node, unsigned long addr) { - void **object; + void *object; struct kmem_cache_cpu *c; struct page *page; unsigned long tid; @@ -2498,7 +2561,7 @@ redo: if (unlikely(gfpflags & __GFP_ZERO) && object) memset(object, 0, s->object_size); - slab_post_alloc_hook(s, gfpflags, object); + slab_post_alloc_hook(s, gfpflags, 1, &object); return object; } @@ -2569,10 +2632,11 @@ EXPORT_SYMBOL(kmem_cache_alloc_node_trace); * handling required then we can return immediately. */ static void __slab_free(struct kmem_cache *s, struct page *page, - void *x, unsigned long addr) + void *head, void *tail, int cnt, + unsigned long addr) + { void *prior; - void **object = (void *)x; int was_frozen; struct page new; unsigned long counters; @@ -2582,7 +2646,8 @@ static void __slab_free(struct kmem_cache *s, struct page *page, stat(s, FREE_SLOWPATH); if (kmem_cache_debug(s) && - !(n = free_debug_processing(s, page, x, addr, &flags))) + !(n = free_debug_processing(s, page, head, tail, cnt, + addr, &flags))) return; do { @@ -2592,10 +2657,10 @@ static void __slab_free(struct kmem_cache *s, struct page *page, } prior = page->freelist; counters = page->counters; - set_freepointer(s, object, prior); + set_freepointer(s, tail, prior); new.counters = counters; was_frozen = new.frozen; - new.inuse--; + new.inuse -= cnt; if ((!new.inuse || !prior) && !was_frozen) { if (kmem_cache_has_cpu_partial(s) && !prior) { @@ -2626,7 +2691,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page, } while (!cmpxchg_double_slab(s, page, prior, counters, - object, new.counters, + head, new.counters, "__slab_free")); if (likely(!n)) { @@ -2691,15 +2756,20 @@ slab_empty: * * If fastpath is not possible then fall back to __slab_free where we deal * with all sorts of special processing. + * + * Bulk free of a freelist with several objects (all pointing to the + * same page) possible by specifying head and tail ptr, plus objects + * count (cnt). Bulk free indicated by tail pointer being set. */ -static __always_inline void slab_free(struct kmem_cache *s, - struct page *page, void *x, unsigned long addr) +static __always_inline void slab_free(struct kmem_cache *s, struct page *page, + void *head, void *tail, int cnt, + unsigned long addr) { - void **object = (void *)x; + void *tail_obj = tail ? : head; struct kmem_cache_cpu *c; unsigned long tid; - slab_free_hook(s, x); + slab_free_freelist_hook(s, head, tail); redo: /* @@ -2718,19 +2788,19 @@ redo: barrier(); if (likely(page == c->page)) { - set_freepointer(s, object, c->freelist); + set_freepointer(s, tail_obj, c->freelist); if (unlikely(!this_cpu_cmpxchg_double( s->cpu_slab->freelist, s->cpu_slab->tid, c->freelist, tid, - object, next_tid(tid)))) { + head, next_tid(tid)))) { note_cmpxchg_failure("slab_free", s, tid); goto redo; } stat(s, FREE_FASTPATH); } else - __slab_free(s, page, x, addr); + __slab_free(s, page, head, tail_obj, cnt, addr); } @@ -2739,59 +2809,116 @@ void kmem_cache_free(struct kmem_cache *s, void *x) s = cache_from_obj(s, x); if (!s) return; - slab_free(s, virt_to_head_page(x), x, _RET_IP_); + slab_free(s, virt_to_head_page(x), x, NULL, 1, _RET_IP_); trace_kmem_cache_free(_RET_IP_, x); } EXPORT_SYMBOL(kmem_cache_free); -/* Note that interrupts must be enabled when calling this function. */ -void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p) -{ - struct kmem_cache_cpu *c; +struct detached_freelist { struct page *page; - int i; + void *tail; + void *freelist; + int cnt; +}; - local_irq_disable(); - c = this_cpu_ptr(s->cpu_slab); +/* + * This function progressively scans the array with free objects (with + * a limited look ahead) and extract objects belonging to the same + * page. It builds a detached freelist directly within the given + * page/objects. This can happen without any need for + * synchronization, because the objects are owned by running process. + * The freelist is build up as a single linked list in the objects. + * The idea is, that this detached freelist can then be bulk + * transferred to the real freelist(s), but only requiring a single + * synchronization primitive. Look ahead in the array is limited due + * to performance reasons. + */ +static int build_detached_freelist(struct kmem_cache *s, size_t size, + void **p, struct detached_freelist *df) +{ + size_t first_skipped_index = 0; + int lookahead = 3; + void *object; - for (i = 0; i < size; i++) { - void *object = p[i]; + /* Always re-init detached_freelist */ + df->page = NULL; - BUG_ON(!object); - /* kmem cache debug support */ - s = cache_from_obj(s, object); - if (unlikely(!s)) - goto exit; - slab_free_hook(s, object); + do { + object = p[--size]; + } while (!object && size); - page = virt_to_head_page(object); + if (!object) + return 0; - if (c->page == page) { - /* Fastpath: local CPU free */ - set_freepointer(s, object, c->freelist); - c->freelist = object; - } else { - c->tid = next_tid(c->tid); - local_irq_enable(); - /* Slowpath: overhead locked cmpxchg_double_slab */ - __slab_free(s, page, object, _RET_IP_); - local_irq_disable(); - c = this_cpu_ptr(s->cpu_slab); + /* Start new detached freelist */ + set_freepointer(s, object, NULL); + df->page = virt_to_head_page(object); + df->tail = object; + df->freelist = object; + p[size] = NULL; /* mark object processed */ + df->cnt = 1; + + while (size) { + object = p[--size]; + if (!object) + continue; /* Skip processed objects */ + + /* df->page is always set at this point */ + if (df->page == virt_to_head_page(object)) { + /* Opportunity build freelist */ + set_freepointer(s, object, df->freelist); + df->freelist = object; + df->cnt++; + p[size] = NULL; /* mark object processed */ + + continue; } + + /* Limit look ahead search */ + if (!--lookahead) + break; + + if (!first_skipped_index) + first_skipped_index = size + 1; } -exit: - c->tid = next_tid(c->tid); - local_irq_enable(); + + return first_skipped_index; +} + + +/* Note that interrupts must be enabled when calling this function. */ +void kmem_cache_free_bulk(struct kmem_cache *orig_s, size_t size, void **p) +{ + if (WARN_ON(!size)) + return; + + do { + struct detached_freelist df; + struct kmem_cache *s; + + /* Support for memcg */ + s = cache_from_obj(orig_s, p[size - 1]); + + size = build_detached_freelist(s, size, p, &df); + if (unlikely(!df.page)) + continue; + + slab_free(s, df.page, df.freelist, df.tail, df.cnt, _RET_IP_); + } while (likely(size)); } EXPORT_SYMBOL(kmem_cache_free_bulk); /* Note that interrupts must be enabled when calling this function. */ -bool kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, - void **p) +int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, + void **p) { struct kmem_cache_cpu *c; int i; + /* memcg and kmem_cache debug support */ + s = slab_pre_alloc_hook(s, flags); + if (unlikely(!s)) + return false; /* * Drain objects in the per cpu slab, while disabling local * IRQs, which protects against PREEMPT and interrupts @@ -2804,36 +2931,20 @@ bool kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, void *object = c->freelist; if (unlikely(!object)) { - local_irq_enable(); /* * Invoking slow path likely have side-effect * of re-populating per CPU c->freelist */ - p[i] = __slab_alloc(s, flags, NUMA_NO_NODE, + p[i] = ___slab_alloc(s, flags, NUMA_NO_NODE, _RET_IP_, c); - if (unlikely(!p[i])) { - __kmem_cache_free_bulk(s, i, p); - return false; - } - local_irq_disable(); + if (unlikely(!p[i])) + goto error; + c = this_cpu_ptr(s->cpu_slab); continue; /* goto for-loop */ } - - /* kmem_cache debug support */ - s = slab_pre_alloc_hook(s, flags); - if (unlikely(!s)) { - __kmem_cache_free_bulk(s, i, p); - c->tid = next_tid(c->tid); - local_irq_enable(); - return false; - } - c->freelist = get_freepointer(s, object); p[i] = object; - - /* kmem_cache debug support */ - slab_post_alloc_hook(s, flags, object); } c->tid = next_tid(c->tid); local_irq_enable(); @@ -2846,7 +2957,14 @@ bool kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, memset(p[j], 0, s->object_size); } - return true; + /* memcg and kmem_cache debug support */ + slab_post_alloc_hook(s, flags, size, p); + return i; +error: + local_irq_enable(); + slab_post_alloc_hook(s, flags, i, p); + __kmem_cache_free_bulk(s, i, p); + return 0; } EXPORT_SYMBOL(kmem_cache_alloc_bulk); @@ -3511,7 +3629,7 @@ void kfree(const void *x) __free_kmem_pages(page, compound_order(page)); return; } - slab_free(page->slab_cache, page, object, _RET_IP_); + slab_free(page->slab_cache, page, object, NULL, 1, _RET_IP_); } EXPORT_SYMBOL(kfree); diff --git a/mm/vmalloc.c b/mm/vmalloc.c index d04563480c94..8e3c9c5a3042 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1443,7 +1443,6 @@ struct vm_struct *remove_vm_area(const void *addr) vmap_debug_free_range(va->va_start, va->va_end); kasan_free_shadow(vm); free_unmap_vmap_area(va); - vm->size -= PAGE_SIZE; return vm; } @@ -1468,8 +1467,8 @@ static void __vunmap(const void *addr, int deallocate_pages) return; } - debug_check_no_locks_freed(addr, area->size); - debug_check_no_obj_freed(addr, area->size); + debug_check_no_locks_freed(addr, get_vm_area_size(area)); + debug_check_no_obj_freed(addr, get_vm_area_size(area)); if (deallocate_pages) { int i; diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index a3bffd1ec2b4..70306cc9d814 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -271,11 +271,11 @@ static long bt_sock_data_wait(struct sock *sk, long timeo) if (signal_pending(current) || !timeo) break; - set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); release_sock(sk); timeo = schedule_timeout(timeo); lock_sock(sk); - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); } __set_current_state(TASK_RUNNING); @@ -441,7 +441,7 @@ unsigned int bt_sock_poll(struct file *file, struct socket *sock, if (!test_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags) && sock_writeable(sk)) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; else - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); return mask; } diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index c91353841e40..ffed8a1d4f27 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -3027,8 +3027,13 @@ static void smp_ready_cb(struct l2cap_chan *chan) BT_DBG("chan %p", chan); + /* No need to call l2cap_chan_hold() here since we already own + * the reference taken in smp_new_conn_cb(). This is just the + * first time that we tie it to a specific pointer. The code in + * l2cap_core.c ensures that there's no risk this function wont + * get called if smp_new_conn_cb was previously called. + */ conn->smp = chan; - l2cap_chan_hold(chan); if (hcon->type == ACL_LINK && test_bit(HCI_CONN_ENCRYPT, &hcon->flags)) bredr_pairing(chan); diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index cc858919108e..aa209b1066c9 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -323,7 +323,7 @@ static long caif_stream_data_wait(struct sock *sk, long timeo) !timeo) break; - set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); release_sock(sk); timeo = schedule_timeout(timeo); lock_sock(sk); @@ -331,7 +331,7 @@ static long caif_stream_data_wait(struct sock *sk, long timeo) if (sock_flag(sk, SOCK_DEAD)) break; - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); } finish_wait(sk_sleep(sk), &wait); diff --git a/net/core/datagram.c b/net/core/datagram.c index 617088aee21d..d62af69ad844 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -785,7 +785,7 @@ unsigned int datagram_poll(struct file *file, struct socket *sock, if (sock_writeable(sk)) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; else - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); return mask; } diff --git a/net/core/neighbour.c b/net/core/neighbour.c index e6af42da28d9..f18ae91b652e 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2215,7 +2215,7 @@ static int pneigh_fill_info(struct sk_buff *skb, struct pneigh_entry *pn, ndm->ndm_pad2 = 0; ndm->ndm_flags = pn->flags | NTF_PROXY; ndm->ndm_type = RTN_UNICAST; - ndm->ndm_ifindex = pn->dev->ifindex; + ndm->ndm_ifindex = pn->dev ? pn->dev->ifindex : 0; ndm->ndm_state = NUD_NONE; if (nla_put(skb, NDA_DST, tbl->key_len, pn->key)) @@ -2333,7 +2333,7 @@ static int pneigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb, if (h > s_h) s_idx = 0; for (n = tbl->phash_buckets[h], idx = 0; n; n = n->next) { - if (dev_net(n->dev) != net) + if (pneigh_net(n) != net) continue; if (idx < s_idx) goto next; diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index 6441f47b1a8f..2e4df84c34a1 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -56,7 +56,7 @@ static void cgrp_css_free(struct cgroup_subsys_state *css) kfree(css_cls_state(css)); } -static int update_classid(const void *v, struct file *file, unsigned n) +static int update_classid_sock(const void *v, struct file *file, unsigned n) { int err; struct socket *sock = sock_from_file(file, &err); @@ -67,18 +67,25 @@ static int update_classid(const void *v, struct file *file, unsigned n) return 0; } -static void cgrp_attach(struct cgroup_subsys_state *css, - struct cgroup_taskset *tset) +static void update_classid(struct cgroup_subsys_state *css, void *v) { - struct cgroup_cls_state *cs = css_cls_state(css); - void *v = (void *)(unsigned long)cs->classid; + struct css_task_iter it; struct task_struct *p; - cgroup_taskset_for_each(p, tset) { + css_task_iter_start(css, &it); + while ((p = css_task_iter_next(&it))) { task_lock(p); - iterate_fd(p->files, 0, update_classid, v); + iterate_fd(p->files, 0, update_classid_sock, v); task_unlock(p); } + css_task_iter_end(&it); +} + +static void cgrp_attach(struct cgroup_subsys_state *css, + struct cgroup_taskset *tset) +{ + update_classid(css, + (void *)(unsigned long)css_cls_state(css)->classid); } static u64 read_classid(struct cgroup_subsys_state *css, struct cftype *cft) @@ -89,8 +96,11 @@ static u64 read_classid(struct cgroup_subsys_state *css, struct cftype *cft) static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft, u64 value) { - css_cls_state(css)->classid = (u32) value; + struct cgroup_cls_state *cs = css_cls_state(css); + + cs->classid = (u32)value; + update_classid(css, (void *)(unsigned long)cs->classid); return 0; } diff --git a/net/core/scm.c b/net/core/scm.c index 3b6899b7d810..8a1741b14302 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -305,6 +305,8 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) err = put_user(cmlen, &cm->cmsg_len); if (!err) { cmlen = CMSG_SPACE(i*sizeof(int)); + if (msg->msg_controllen < cmlen) + cmlen = msg->msg_controllen; msg->msg_control += cmlen; msg->msg_controllen -= cmlen; } diff --git a/net/core/sock.c b/net/core/sock.c index 1e4dd54bfb5a..e31dfcee1729 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1530,7 +1530,6 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) skb_queue_head_init(&newsk->sk_receive_queue); skb_queue_head_init(&newsk->sk_write_queue); - spin_lock_init(&newsk->sk_dst_lock); rwlock_init(&newsk->sk_callback_lock); lockdep_set_class_and_name(&newsk->sk_callback_lock, af_callback_keys + newsk->sk_family, @@ -1607,7 +1606,7 @@ void sk_setup_caps(struct sock *sk, struct dst_entry *dst) { u32 max_segs = 1; - __sk_dst_set(sk, dst); + sk_dst_set(sk, dst); sk->sk_route_caps = dst->dev->features; if (sk->sk_route_caps & NETIF_F_GSO) sk->sk_route_caps |= NETIF_F_GSO_SOFTWARE; @@ -1815,7 +1814,7 @@ static long sock_wait_for_wmem(struct sock *sk, long timeo) { DEFINE_WAIT(wait); - clear_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk); for (;;) { if (!timeo) break; @@ -1861,7 +1860,7 @@ struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len, if (sk_wmem_alloc_get(sk) < sk->sk_sndbuf) break; - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); err = -EAGAIN; if (!timeo) @@ -2048,9 +2047,9 @@ int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb) DEFINE_WAIT(wait); prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); - set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); rc = sk_wait_event(sk, timeo, skb_peek_tail(&sk->sk_receive_queue) != skb); - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); finish_wait(sk_sleep(sk), &wait); return rc; } @@ -2388,7 +2387,6 @@ void sock_init_data(struct socket *sock, struct sock *sk) } else sk->sk_wq = NULL; - spin_lock_init(&sk->sk_dst_lock); rwlock_init(&sk->sk_callback_lock); lockdep_set_class_and_name(&sk->sk_callback_lock, af_callback_keys + sk->sk_family, diff --git a/net/core/stream.c b/net/core/stream.c index d70f77a0c889..b96f7a79e544 100644 --- a/net/core/stream.c +++ b/net/core/stream.c @@ -39,7 +39,7 @@ void sk_stream_write_space(struct sock *sk) wake_up_interruptible_poll(&wq->wait, POLLOUT | POLLWRNORM | POLLWRBAND); if (wq && wq->fasync_list && !(sk->sk_shutdown & SEND_SHUTDOWN)) - sock_wake_async(sock, SOCK_WAKE_SPACE, POLL_OUT); + sock_wake_async(wq, SOCK_WAKE_SPACE, POLL_OUT); rcu_read_unlock(); } } @@ -126,7 +126,7 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p) current_timeo = vm_wait = (prandom_u32() % (HZ / 5)) + 2; while (1) { - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); @@ -139,7 +139,7 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p) } if (signal_pending(current)) goto do_interrupted; - clear_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk); if (sk_stream_memory_free(sk) && !vm_wait) break; diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index db5fc2440a23..9c6d0508e63a 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -202,7 +202,9 @@ static int dccp_v6_send_response(const struct sock *sk, struct request_sock *req security_req_classify_flow(req, flowi6_to_flowi(&fl6)); - final_p = fl6_update_dst(&fl6, np->opt, &final); + rcu_read_lock(); + final_p = fl6_update_dst(&fl6, rcu_dereference(np->opt), &final); + rcu_read_unlock(); dst = ip6_dst_lookup_flow(sk, &fl6, final_p); if (IS_ERR(dst)) { @@ -219,7 +221,10 @@ static int dccp_v6_send_response(const struct sock *sk, struct request_sock *req &ireq->ir_v6_loc_addr, &ireq->ir_v6_rmt_addr); fl6.daddr = ireq->ir_v6_rmt_addr; - err = ip6_xmit(sk, skb, &fl6, np->opt, np->tclass); + rcu_read_lock(); + err = ip6_xmit(sk, skb, &fl6, rcu_dereference(np->opt), + np->tclass); + rcu_read_unlock(); err = net_xmit_eval(err); } @@ -387,6 +392,7 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk, struct inet_request_sock *ireq = inet_rsk(req); struct ipv6_pinfo *newnp; const struct ipv6_pinfo *np = inet6_sk(sk); + struct ipv6_txoptions *opt; struct inet_sock *newinet; struct dccp6_sock *newdp6; struct sock *newsk; @@ -453,7 +459,7 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk, * comment in that function for the gory details. -acme */ - __ip6_dst_store(newsk, dst, NULL, NULL); + ip6_dst_store(newsk, dst, NULL, NULL); newsk->sk_route_caps = dst->dev->features & ~(NETIF_F_IP_CSUM | NETIF_F_TSO); newdp6 = (struct dccp6_sock *)newsk; @@ -488,13 +494,15 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk, * Yes, keeping reference count would be much more clever, but we make * one more one thing there: reattach optmem to newsk. */ - if (np->opt != NULL) - newnp->opt = ipv6_dup_options(newsk, np->opt); - + opt = rcu_dereference(np->opt); + if (opt) { + opt = ipv6_dup_options(newsk, opt); + RCU_INIT_POINTER(newnp->opt, opt); + } inet_csk(newsk)->icsk_ext_hdr_len = 0; - if (newnp->opt != NULL) - inet_csk(newsk)->icsk_ext_hdr_len = (newnp->opt->opt_nflen + - newnp->opt->opt_flen); + if (opt) + inet_csk(newsk)->icsk_ext_hdr_len = opt->opt_nflen + + opt->opt_flen; dccp_sync_mss(newsk, dst_mtu(dst)); @@ -757,6 +765,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr, struct ipv6_pinfo *np = inet6_sk(sk); struct dccp_sock *dp = dccp_sk(sk); struct in6_addr *saddr = NULL, *final_p, final; + struct ipv6_txoptions *opt; struct flowi6 fl6; struct dst_entry *dst; int addr_type; @@ -856,7 +865,8 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr, fl6.fl6_sport = inet->inet_sport; security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); - final_p = fl6_update_dst(&fl6, np->opt, &final); + opt = rcu_dereference_protected(np->opt, sock_owned_by_user(sk)); + final_p = fl6_update_dst(&fl6, opt, &final); dst = ip6_dst_lookup_flow(sk, &fl6, final_p); if (IS_ERR(dst)) { @@ -873,12 +883,11 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr, np->saddr = *saddr; inet->inet_rcv_saddr = LOOPBACK4_IPV6; - __ip6_dst_store(sk, dst, NULL, NULL); + ip6_dst_store(sk, dst, NULL, NULL); icsk->icsk_ext_hdr_len = 0; - if (np->opt != NULL) - icsk->icsk_ext_hdr_len = (np->opt->opt_flen + - np->opt->opt_nflen); + if (opt) + icsk->icsk_ext_hdr_len = opt->opt_flen + opt->opt_nflen; inet->inet_dport = usin->sin6_port; diff --git a/net/dccp/proto.c b/net/dccp/proto.c index b5cf13a28009..41e65804ddf5 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -339,8 +339,7 @@ unsigned int dccp_poll(struct file *file, struct socket *sock, if (sk_stream_is_writeable(sk)) { mask |= POLLOUT | POLLWRNORM; } else { /* send SIGIO later */ - set_bit(SOCK_ASYNC_NOSPACE, - &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); /* Race breaker. If space is freed after diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 675cf94e04f8..eebf5ac8ce18 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -1747,9 +1747,9 @@ static int dn_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, } prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); - set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); sk_wait_event(sk, &timeo, dn_data_ready(sk, queue, flags, target)); - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); finish_wait(sk_sleep(sk), &wait); } @@ -2004,10 +2004,10 @@ static int dn_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) } prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); - set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); sk_wait_event(sk, &timeo, !dn_queue_too_long(scp, queue, flags)); - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); finish_wait(sk_sleep(sk), &wait); continue; } diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c index 4677b6fa6dda..ecc28cff08ab 100644 --- a/net/dns_resolver/dns_query.c +++ b/net/dns_resolver/dns_query.c @@ -67,7 +67,7 @@ * Returns the size of the result on success, -ve error code otherwise. */ int dns_query(const char *type, const char *name, size_t namelen, - const char *options, char **_result, time_t *_expiry) + const char *options, char **_result, time64_t *_expiry) { struct key *rkey; const struct user_key_payload *upayload; diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index 35a9788bb3ae..c7d1adca30d8 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -312,7 +312,7 @@ static void send_hsr_supervision_frame(struct hsr_port *master, u8 type) return; out: - WARN_ON_ONCE("HSR: Could not send supervision frame\n"); + WARN_ONCE(1, "HSR: Could not send supervision frame\n"); kfree_skb(skb); } diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 6baf36e11808..05e4cba14162 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -2126,7 +2126,7 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr) ASSERT_RTNL(); in_dev = ip_mc_find_dev(net, imr); - if (!in_dev) { + if (!imr->imr_ifindex && !imr->imr_address.s_addr && !in_dev) { ret = -ENODEV; goto out; } @@ -2147,7 +2147,8 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr) *imlp = iml->next_rcu; - ip_mc_dec_group(in_dev, group); + if (in_dev) + ip_mc_dec_group(in_dev, group); /* decrease mem now to avoid the memleak warning */ atomic_sub(sizeof(*iml), &sk->sk_omem_alloc); diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 92dd4b74d513..c3a38353f5dc 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -134,7 +134,7 @@ static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm); static void mroute_netlink_event(struct mr_table *mrt, struct mfc_cache *mfc, int cmd); -static void mroute_clean_tables(struct mr_table *mrt); +static void mroute_clean_tables(struct mr_table *mrt, bool all); static void ipmr_expire_process(unsigned long arg); #ifdef CONFIG_IP_MROUTE_MULTIPLE_TABLES @@ -350,7 +350,7 @@ static struct mr_table *ipmr_new_table(struct net *net, u32 id) static void ipmr_free_table(struct mr_table *mrt) { del_timer_sync(&mrt->ipmr_expire_timer); - mroute_clean_tables(mrt); + mroute_clean_tables(mrt, true); kfree(mrt); } @@ -441,10 +441,6 @@ struct net_device *ipmr_new_tunnel(struct net *net, struct vifctl *v) return dev; failure: - /* allow the register to be completed before unregistering. */ - rtnl_unlock(); - rtnl_lock(); - unregister_netdevice(dev); return NULL; } @@ -540,10 +536,6 @@ static struct net_device *ipmr_reg_vif(struct net *net, struct mr_table *mrt) return dev; failure: - /* allow the register to be completed before unregistering. */ - rtnl_unlock(); - rtnl_lock(); - unregister_netdevice(dev); return NULL; } @@ -1208,7 +1200,7 @@ static int ipmr_mfc_add(struct net *net, struct mr_table *mrt, * Close the multicast socket, and clear the vif tables etc */ -static void mroute_clean_tables(struct mr_table *mrt) +static void mroute_clean_tables(struct mr_table *mrt, bool all) { int i; LIST_HEAD(list); @@ -1217,8 +1209,9 @@ static void mroute_clean_tables(struct mr_table *mrt) /* Shut down all active vif entries */ for (i = 0; i < mrt->maxvif; i++) { - if (!(mrt->vif_table[i].flags & VIFF_STATIC)) - vif_delete(mrt, i, 0, &list); + if (!all && (mrt->vif_table[i].flags & VIFF_STATIC)) + continue; + vif_delete(mrt, i, 0, &list); } unregister_netdevice_many(&list); @@ -1226,7 +1219,7 @@ static void mroute_clean_tables(struct mr_table *mrt) for (i = 0; i < MFC_LINES; i++) { list_for_each_entry_safe(c, next, &mrt->mfc_cache_array[i], list) { - if (c->mfc_flags & MFC_STATIC) + if (!all && (c->mfc_flags & MFC_STATIC)) continue; list_del_rcu(&c->list); mroute_netlink_event(mrt, c, RTM_DELROUTE); @@ -1261,7 +1254,7 @@ static void mrtsock_destruct(struct sock *sk) NETCONFA_IFINDEX_ALL, net->ipv4.devconf_all); RCU_INIT_POINTER(mrt->mroute_sk, NULL); - mroute_clean_tables(mrt); + mroute_clean_tables(mrt, false); } } rtnl_unlock(); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index c1728771cf89..c82cca18c90f 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -517,8 +517,7 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait) if (sk_stream_is_writeable(sk)) { mask |= POLLOUT | POLLWRNORM; } else { /* send SIGIO later */ - set_bit(SOCK_ASYNC_NOSPACE, - &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); /* Race breaker. If space is freed after @@ -906,7 +905,7 @@ static ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset, goto out_err; } - clear_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk); mss_now = tcp_send_mss(sk, &size_goal, flags); copied = 0; @@ -1134,7 +1133,7 @@ int tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) } /* This should be in poll */ - clear_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk); mss_now = tcp_send_mss(sk, &size_goal, flags); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index fdd88c3803a6..2d656eef7f8e 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -4481,19 +4481,34 @@ static int __must_check tcp_queue_rcv(struct sock *sk, struct sk_buff *skb, int int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size) { struct sk_buff *skb; + int err = -ENOMEM; + int data_len = 0; bool fragstolen; if (size == 0) return 0; - skb = alloc_skb(size, sk->sk_allocation); + if (size > PAGE_SIZE) { + int npages = min_t(size_t, size >> PAGE_SHIFT, MAX_SKB_FRAGS); + + data_len = npages << PAGE_SHIFT; + size = data_len + (size & ~PAGE_MASK); + } + skb = alloc_skb_with_frags(size - data_len, data_len, + PAGE_ALLOC_COSTLY_ORDER, + &err, sk->sk_allocation); if (!skb) goto err; + skb_put(skb, size - data_len); + skb->data_len = data_len; + skb->len = size; + if (tcp_try_rmem_schedule(sk, skb, skb->truesize)) goto err_free; - if (memcpy_from_msg(skb_put(skb, size), msg, size)) + err = skb_copy_datagram_from_iter(skb, 0, &msg->msg_iter, size); + if (err) goto err_free; TCP_SKB_CB(skb)->seq = tcp_sk(sk)->rcv_nxt; @@ -4509,7 +4524,8 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size) err_free: kfree_skb(skb); err: - return -ENOMEM; + return err; + } static void tcp_data_queue(struct sock *sk, struct sk_buff *skb) @@ -5667,6 +5683,7 @@ discard: } tp->rcv_nxt = TCP_SKB_CB(skb)->seq + 1; + tp->copied_seq = tp->rcv_nxt; tp->rcv_wup = TCP_SKB_CB(skb)->seq + 1; /* RFC1323: The window in SYN & SYN/ACK segments is diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index ba09016d1bfd..db003438aaf5 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -921,7 +921,8 @@ int tcp_md5_do_add(struct sock *sk, const union tcp_md5_addr *addr, } md5sig = rcu_dereference_protected(tp->md5sig_info, - sock_owned_by_user(sk)); + sock_owned_by_user(sk) || + lockdep_is_held(&sk->sk_lock.slock)); if (!md5sig) { md5sig = kmalloc(sizeof(*md5sig), gfp); if (!md5sig) diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index c9c716a483e4..193ba1fa8a9a 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -168,7 +168,7 @@ static int tcp_write_timeout(struct sock *sk) dst_negative_advice(sk); if (tp->syn_fastopen || tp->syn_data) tcp_fastopen_cache_set(sk, 0, NULL, true, 0); - if (tp->syn_data) + if (tp->syn_data && icsk->icsk_retransmits == 1) NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPFASTOPENACTIVEFAIL); } @@ -176,6 +176,18 @@ static int tcp_write_timeout(struct sock *sk) syn_set = true; } else { if (retransmits_timed_out(sk, sysctl_tcp_retries1, 0, 0)) { + /* Some middle-boxes may black-hole Fast Open _after_ + * the handshake. Therefore we conservatively disable + * Fast Open on this path on recurring timeouts with + * few or zero bytes acked after Fast Open. + */ + if (tp->syn_data_acked && + tp->bytes_acked <= tp->rx_opt.mss_clamp) { + tcp_fastopen_cache_set(sk, 0, NULL, true, 0); + if (icsk->icsk_retransmits == sysctl_tcp_retries1) + NET_INC_STATS_BH(sock_net(sk), + LINUX_MIB_TCPFASTOPENACTIVEFAIL); + } /* Black hole detection */ tcp_mtu_probing(icsk, sk); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 24ec14f9825c..0c7b0e61b917 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -100,7 +100,6 @@ #include <linux/slab.h> #include <net/tcp_states.h> #include <linux/skbuff.h> -#include <linux/netdevice.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <net/net_namespace.h> diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index d84742f003a9..61f26851655c 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3642,7 +3642,7 @@ static void addrconf_dad_work(struct work_struct *w) /* send a neighbour solicitation for our addr */ addrconf_addr_solict_mult(&ifp->addr, &mcaddr); - ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any, NULL); + ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any); out: in6_ifa_put(ifp); rtnl_unlock(); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 44bb66bde0e2..8ec0df75f1c4 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -428,9 +428,11 @@ void inet6_destroy_sock(struct sock *sk) /* Free tx options */ - opt = xchg(&np->opt, NULL); - if (opt) - sock_kfree_s(sk, opt, opt->tot_len); + opt = xchg((__force struct ipv6_txoptions **)&np->opt, NULL); + if (opt) { + atomic_sub(opt->tot_len, &sk->sk_omem_alloc); + txopt_put(opt); + } } EXPORT_SYMBOL_GPL(inet6_destroy_sock); @@ -659,7 +661,10 @@ int inet6_sk_rebuild_header(struct sock *sk) fl6.fl6_sport = inet->inet_sport; security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); - final_p = fl6_update_dst(&fl6, np->opt, &final); + rcu_read_lock(); + final_p = fl6_update_dst(&fl6, rcu_dereference(np->opt), + &final); + rcu_read_unlock(); dst = ip6_dst_lookup_flow(sk, &fl6, final_p); if (IS_ERR(dst)) { @@ -668,7 +673,7 @@ int inet6_sk_rebuild_header(struct sock *sk) return PTR_ERR(dst); } - __ip6_dst_store(sk, dst, NULL, NULL); + ip6_dst_store(sk, dst, NULL, NULL); } return 0; diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index d70b0238f468..517c55b01ba8 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -167,8 +167,10 @@ ipv4_connected: security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); - opt = flowlabel ? flowlabel->opt : np->opt; + rcu_read_lock(); + opt = flowlabel ? flowlabel->opt : rcu_dereference(np->opt); final_p = fl6_update_dst(&fl6, opt, &final); + rcu_read_unlock(); dst = ip6_dst_lookup_flow(sk, &fl6, final_p); err = 0; diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index ce203b0402be..ea7c4d64a00a 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -727,6 +727,7 @@ ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt) *((char **)&opt2->dst1opt) += dif; if (opt2->srcrt) *((char **)&opt2->srcrt) += dif; + atomic_set(&opt2->refcnt, 1); } return opt2; } @@ -790,7 +791,7 @@ ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt, return ERR_PTR(-ENOBUFS); memset(opt2, 0, tot_len); - + atomic_set(&opt2->refcnt, 1); opt2->tot_len = tot_len; p = (char *)(opt2 + 1); diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 36c5a98b0472..0a37ddc7af51 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -834,11 +834,6 @@ void icmpv6_flow_init(struct sock *sk, struct flowi6 *fl6, security_sk_classify_flow(sk, flowi6_to_flowi(fl6)); } -/* - * Special lock-class for __icmpv6_sk: - */ -static struct lock_class_key icmpv6_socket_sk_dst_lock_key; - static int __net_init icmpv6_sk_init(struct net *net) { struct sock *sk; @@ -860,15 +855,6 @@ static int __net_init icmpv6_sk_init(struct net *net) net->ipv6.icmp_sk[i] = sk; - /* - * Split off their lock-class, because sk->sk_dst_lock - * gets used from softirqs, which is safe for - * __icmpv6_sk (because those never get directly used - * via userspace syscalls), but unsafe for normal sockets. - */ - lockdep_set_class(&sk->sk_dst_lock, - &icmpv6_socket_sk_dst_lock_key); - /* Enough space for 2 64K ICMP packets, including * sk_buff struct overhead. */ diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index 5d1c7cee2cb2..a7ca2cde2ecb 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -78,7 +78,9 @@ struct dst_entry *inet6_csk_route_req(const struct sock *sk, memset(fl6, 0, sizeof(*fl6)); fl6->flowi6_proto = proto; fl6->daddr = ireq->ir_v6_rmt_addr; - final_p = fl6_update_dst(fl6, np->opt, &final); + rcu_read_lock(); + final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final); + rcu_read_unlock(); fl6->saddr = ireq->ir_v6_loc_addr; fl6->flowi6_oif = ireq->ir_iif; fl6->flowi6_mark = ireq->ir_mark; @@ -109,14 +111,6 @@ void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr) EXPORT_SYMBOL_GPL(inet6_csk_addr2sockaddr); static inline -void __inet6_csk_dst_store(struct sock *sk, struct dst_entry *dst, - const struct in6_addr *daddr, - const struct in6_addr *saddr) -{ - __ip6_dst_store(sk, dst, daddr, saddr); -} - -static inline struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie) { return __sk_dst_check(sk, cookie); @@ -142,14 +136,16 @@ static struct dst_entry *inet6_csk_route_socket(struct sock *sk, fl6->fl6_dport = inet->inet_dport; security_sk_classify_flow(sk, flowi6_to_flowi(fl6)); - final_p = fl6_update_dst(fl6, np->opt, &final); + rcu_read_lock(); + final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final); + rcu_read_unlock(); dst = __inet6_csk_dst_check(sk, np->dst_cookie); if (!dst) { dst = ip6_dst_lookup_flow(sk, fl6, final_p); if (!IS_ERR(dst)) - __inet6_csk_dst_store(sk, dst, NULL, NULL); + ip6_dst_store(sk, dst, NULL, NULL); } return dst; } @@ -175,7 +171,8 @@ int inet6_csk_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl_unused /* Restore final destination back after routing done */ fl6.daddr = sk->sk_v6_daddr; - res = ip6_xmit(sk, skb, &fl6, np->opt, np->tclass); + res = ip6_xmit(sk, skb, &fl6, rcu_dereference(np->opt), + np->tclass); rcu_read_unlock(); return res; } diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index eabffbb89795..137fca42aaa6 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -177,7 +177,7 @@ void ip6_tnl_dst_reset(struct ip6_tnl *t) int i; for_each_possible_cpu(i) - ip6_tnl_per_cpu_dst_set(raw_cpu_ptr(t->dst_cache), NULL); + ip6_tnl_per_cpu_dst_set(per_cpu_ptr(t->dst_cache, i), NULL); } EXPORT_SYMBOL_GPL(ip6_tnl_dst_reset); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index ad19136086dd..a10e77103c88 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -118,7 +118,7 @@ static void mr6_netlink_event(struct mr6_table *mrt, struct mfc6_cache *mfc, int cmd); static int ip6mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb); -static void mroute_clean_tables(struct mr6_table *mrt); +static void mroute_clean_tables(struct mr6_table *mrt, bool all); static void ipmr_expire_process(unsigned long arg); #ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES @@ -334,7 +334,7 @@ static struct mr6_table *ip6mr_new_table(struct net *net, u32 id) static void ip6mr_free_table(struct mr6_table *mrt) { del_timer_sync(&mrt->ipmr_expire_timer); - mroute_clean_tables(mrt); + mroute_clean_tables(mrt, true); kfree(mrt); } @@ -765,10 +765,6 @@ static struct net_device *ip6mr_reg_vif(struct net *net, struct mr6_table *mrt) return dev; failure: - /* allow the register to be completed before unregistering. */ - rtnl_unlock(); - rtnl_lock(); - unregister_netdevice(dev); return NULL; } @@ -1542,7 +1538,7 @@ static int ip6mr_mfc_add(struct net *net, struct mr6_table *mrt, * Close the multicast socket, and clear the vif tables etc */ -static void mroute_clean_tables(struct mr6_table *mrt) +static void mroute_clean_tables(struct mr6_table *mrt, bool all) { int i; LIST_HEAD(list); @@ -1552,8 +1548,9 @@ static void mroute_clean_tables(struct mr6_table *mrt) * Shut down all active vif entries */ for (i = 0; i < mrt->maxvif; i++) { - if (!(mrt->vif6_table[i].flags & VIFF_STATIC)) - mif6_delete(mrt, i, &list); + if (!all && (mrt->vif6_table[i].flags & VIFF_STATIC)) + continue; + mif6_delete(mrt, i, &list); } unregister_netdevice_many(&list); @@ -1562,7 +1559,7 @@ static void mroute_clean_tables(struct mr6_table *mrt) */ for (i = 0; i < MFC6_LINES; i++) { list_for_each_entry_safe(c, next, &mrt->mfc6_cache_array[i], list) { - if (c->mfc_flags & MFC_STATIC) + if (!all && (c->mfc_flags & MFC_STATIC)) continue; write_lock_bh(&mrt_lock); list_del(&c->list); @@ -1625,7 +1622,7 @@ int ip6mr_sk_done(struct sock *sk) net->ipv6.devconf_all); write_unlock_bh(&mrt_lock); - mroute_clean_tables(mrt); + mroute_clean_tables(mrt, false); err = 0; break; } diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 63e6956917c9..4449ad1f8114 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -111,7 +111,8 @@ struct ipv6_txoptions *ipv6_update_options(struct sock *sk, icsk->icsk_sync_mss(sk, icsk->icsk_pmtu_cookie); } } - opt = xchg(&inet6_sk(sk)->opt, opt); + opt = xchg((__force struct ipv6_txoptions **)&inet6_sk(sk)->opt, + opt); sk_dst_reset(sk); return opt; @@ -231,9 +232,12 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, sk->sk_socket->ops = &inet_dgram_ops; sk->sk_family = PF_INET; } - opt = xchg(&np->opt, NULL); - if (opt) - sock_kfree_s(sk, opt, opt->tot_len); + opt = xchg((__force struct ipv6_txoptions **)&np->opt, + NULL); + if (opt) { + atomic_sub(opt->tot_len, &sk->sk_omem_alloc); + txopt_put(opt); + } pktopt = xchg(&np->pktoptions, NULL); kfree_skb(pktopt); @@ -403,7 +407,8 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, if (optname != IPV6_RTHDR && !ns_capable(net->user_ns, CAP_NET_RAW)) break; - opt = ipv6_renew_options(sk, np->opt, optname, + opt = rcu_dereference_protected(np->opt, sock_owned_by_user(sk)); + opt = ipv6_renew_options(sk, opt, optname, (struct ipv6_opt_hdr __user *)optval, optlen); if (IS_ERR(opt)) { @@ -432,8 +437,10 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, retv = 0; opt = ipv6_update_options(sk, opt); sticky_done: - if (opt) - sock_kfree_s(sk, opt, opt->tot_len); + if (opt) { + atomic_sub(opt->tot_len, &sk->sk_omem_alloc); + txopt_put(opt); + } break; } @@ -486,6 +493,7 @@ sticky_done: break; memset(opt, 0, sizeof(*opt)); + atomic_set(&opt->refcnt, 1); opt->tot_len = sizeof(*opt) + optlen; retv = -EFAULT; if (copy_from_user(opt+1, optval, optlen)) @@ -502,8 +510,10 @@ update: retv = 0; opt = ipv6_update_options(sk, opt); done: - if (opt) - sock_kfree_s(sk, opt, opt->tot_len); + if (opt) { + atomic_sub(opt->tot_len, &sk->sk_omem_alloc); + txopt_put(opt); + } break; } case IPV6_UNICAST_HOPS: @@ -1110,10 +1120,11 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, case IPV6_RTHDR: case IPV6_DSTOPTS: { + struct ipv6_txoptions *opt; lock_sock(sk); - len = ipv6_getsockopt_sticky(sk, np->opt, - optname, optval, len); + opt = rcu_dereference_protected(np->opt, sock_owned_by_user(sk)); + len = ipv6_getsockopt_sticky(sk, opt, optname, optval, len); release_sock(sk); /* check if ipv6_getsockopt_sticky() returns err code */ if (len < 0) diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 3e0f855e1bea..d6161e1c48c8 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -556,8 +556,7 @@ static void ndisc_send_unsol_na(struct net_device *dev) } void ndisc_send_ns(struct net_device *dev, const struct in6_addr *solicit, - const struct in6_addr *daddr, const struct in6_addr *saddr, - struct sk_buff *oskb) + const struct in6_addr *daddr, const struct in6_addr *saddr) { struct sk_buff *skb; struct in6_addr addr_buf; @@ -593,9 +592,6 @@ void ndisc_send_ns(struct net_device *dev, const struct in6_addr *solicit, ndisc_fill_addr_option(skb, ND_OPT_SOURCE_LL_ADDR, dev->dev_addr); - if (!(dev->priv_flags & IFF_XMIT_DST_RELEASE) && oskb) - skb_dst_copy(skb, oskb); - ndisc_send_skb(skb, daddr, saddr); } @@ -682,12 +678,12 @@ static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb) "%s: trying to ucast probe in NUD_INVALID: %pI6\n", __func__, target); } - ndisc_send_ns(dev, target, target, saddr, skb); + ndisc_send_ns(dev, target, target, saddr); } else if ((probes -= NEIGH_VAR(neigh->parms, APP_PROBES)) < 0) { neigh_app_ns(neigh); } else { addrconf_addr_solict_mult(target, &mcaddr); - ndisc_send_ns(dev, target, &mcaddr, saddr, skb); + ndisc_send_ns(dev, target, &mcaddr, saddr); } } diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index d5efeb87350e..bab4441ed4e4 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -190,7 +190,7 @@ static void nf_ct_frag6_expire(unsigned long data) /* Creation primitives. */ static inline struct frag_queue *fq_find(struct net *net, __be32 id, u32 user, struct in6_addr *src, - struct in6_addr *dst, u8 ecn) + struct in6_addr *dst, int iif, u8 ecn) { struct inet_frag_queue *q; struct ip6_create_arg arg; @@ -200,6 +200,7 @@ static inline struct frag_queue *fq_find(struct net *net, __be32 id, arg.user = user; arg.src = src; arg.dst = dst; + arg.iif = iif; arg.ecn = ecn; local_bh_disable(); @@ -601,7 +602,7 @@ struct sk_buff *nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 use fhdr = (struct frag_hdr *)skb_transport_header(clone); fq = fq_find(net, fhdr->identification, user, &hdr->saddr, &hdr->daddr, - ip6_frag_ecn(hdr)); + skb->dev ? skb->dev->ifindex : 0, ip6_frag_ecn(hdr)); if (fq == NULL) { pr_debug("Can't find and can't create new queue\n"); goto ret_orig; diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index dc65ec198f7c..99140986e887 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -733,6 +733,7 @@ static int raw6_getfrag(void *from, char *to, int offset, int len, int odd, static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) { + struct ipv6_txoptions *opt_to_free = NULL; struct ipv6_txoptions opt_space; DECLARE_SOCKADDR(struct sockaddr_in6 *, sin6, msg->msg_name); struct in6_addr *daddr, *final_p, final; @@ -839,8 +840,10 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (!(opt->opt_nflen|opt->opt_flen)) opt = NULL; } - if (!opt) - opt = np->opt; + if (!opt) { + opt = txopt_get(np); + opt_to_free = opt; + } if (flowlabel) opt = fl6_merge_options(&opt_space, flowlabel, opt); opt = ipv6_fixup_options(&opt_space, opt); @@ -906,6 +909,7 @@ done: dst_release(dst); out: fl6_sock_release(flowlabel); + txopt_put(opt_to_free); return err < 0 ? err : len; do_confirm: dst_confirm(dst); diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 44e21a03cfc3..45f5ae51de65 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -108,7 +108,10 @@ bool ip6_frag_match(const struct inet_frag_queue *q, const void *a) return fq->id == arg->id && fq->user == arg->user && ipv6_addr_equal(&fq->saddr, arg->src) && - ipv6_addr_equal(&fq->daddr, arg->dst); + ipv6_addr_equal(&fq->daddr, arg->dst) && + (arg->iif == fq->iif || + !(ipv6_addr_type(arg->dst) & (IPV6_ADDR_MULTICAST | + IPV6_ADDR_LINKLOCAL))); } EXPORT_SYMBOL(ip6_frag_match); @@ -180,7 +183,7 @@ static void ip6_frag_expire(unsigned long data) static struct frag_queue * fq_find(struct net *net, __be32 id, const struct in6_addr *src, - const struct in6_addr *dst, u8 ecn) + const struct in6_addr *dst, int iif, u8 ecn) { struct inet_frag_queue *q; struct ip6_create_arg arg; @@ -190,6 +193,7 @@ fq_find(struct net *net, __be32 id, const struct in6_addr *src, arg.user = IP6_DEFRAG_LOCAL_DELIVER; arg.src = src; arg.dst = dst; + arg.iif = iif; arg.ecn = ecn; hash = inet6_hash_frag(id, src, dst); @@ -551,7 +555,7 @@ static int ipv6_frag_rcv(struct sk_buff *skb) } fq = fq_find(net, fhdr->identification, &hdr->saddr, &hdr->daddr, - ip6_frag_ecn(hdr)); + skb->dev ? skb->dev->ifindex : 0, ip6_frag_ecn(hdr)); if (fq) { int ret; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 6f01fe122abd..826e6aa44f8d 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -523,7 +523,7 @@ static void rt6_probe_deferred(struct work_struct *w) container_of(w, struct __rt6_probe_work, work); addrconf_addr_solict_mult(&work->target, &mcaddr); - ndisc_send_ns(work->dev, &work->target, &mcaddr, NULL, NULL); + ndisc_send_ns(work->dev, &work->target, &mcaddr, NULL); dev_put(work->dev); kfree(work); } diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index bb8f2fa1c7fb..eaf7ac496d50 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -222,7 +222,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_proto = IPPROTO_TCP; fl6.daddr = ireq->ir_v6_rmt_addr; - final_p = fl6_update_dst(&fl6, np->opt, &final); + final_p = fl6_update_dst(&fl6, rcu_dereference(np->opt), &final); fl6.saddr = ireq->ir_v6_loc_addr; fl6.flowi6_oif = sk->sk_bound_dev_if; fl6.flowi6_mark = ireq->ir_mark; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index c5429a636f1a..e7aab561b7b4 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -120,6 +120,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, struct ipv6_pinfo *np = inet6_sk(sk); struct tcp_sock *tp = tcp_sk(sk); struct in6_addr *saddr = NULL, *final_p, final; + struct ipv6_txoptions *opt; struct flowi6 fl6; struct dst_entry *dst; int addr_type; @@ -235,7 +236,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, fl6.fl6_dport = usin->sin6_port; fl6.fl6_sport = inet->inet_sport; - final_p = fl6_update_dst(&fl6, np->opt, &final); + opt = rcu_dereference_protected(np->opt, sock_owned_by_user(sk)); + final_p = fl6_update_dst(&fl6, opt, &final); security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); @@ -255,7 +257,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, inet->inet_rcv_saddr = LOOPBACK4_IPV6; sk->sk_gso_type = SKB_GSO_TCPV6; - __ip6_dst_store(sk, dst, NULL, NULL); + ip6_dst_store(sk, dst, NULL, NULL); if (tcp_death_row.sysctl_tw_recycle && !tp->rx_opt.ts_recent_stamp && @@ -263,9 +265,9 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, tcp_fetch_timewait_stamp(sk, dst); icsk->icsk_ext_hdr_len = 0; - if (np->opt) - icsk->icsk_ext_hdr_len = (np->opt->opt_flen + - np->opt->opt_nflen); + if (opt) + icsk->icsk_ext_hdr_len = opt->opt_flen + + opt->opt_nflen; tp->rx_opt.mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) - sizeof(struct ipv6hdr); @@ -461,7 +463,8 @@ static int tcp_v6_send_synack(const struct sock *sk, struct dst_entry *dst, if (np->repflow && ireq->pktopts) fl6->flowlabel = ip6_flowlabel(ipv6_hdr(ireq->pktopts)); - err = ip6_xmit(sk, skb, fl6, np->opt, np->tclass); + err = ip6_xmit(sk, skb, fl6, rcu_dereference(np->opt), + np->tclass); err = net_xmit_eval(err); } @@ -972,6 +975,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * struct inet_request_sock *ireq; struct ipv6_pinfo *newnp; const struct ipv6_pinfo *np = inet6_sk(sk); + struct ipv6_txoptions *opt; struct tcp6_sock *newtcp6sk; struct inet_sock *newinet; struct tcp_sock *newtp; @@ -1056,7 +1060,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * */ newsk->sk_gso_type = SKB_GSO_TCPV6; - __ip6_dst_store(newsk, dst, NULL, NULL); + ip6_dst_store(newsk, dst, NULL, NULL); inet6_sk_rx_dst_set(newsk, skb); newtcp6sk = (struct tcp6_sock *)newsk; @@ -1098,13 +1102,15 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff * but we make one more one thing there: reattach optmem to newsk. */ - if (np->opt) - newnp->opt = ipv6_dup_options(newsk, np->opt); - + opt = rcu_dereference(np->opt); + if (opt) { + opt = ipv6_dup_options(newsk, opt); + RCU_INIT_POINTER(newnp->opt, opt); + } inet_csk(newsk)->icsk_ext_hdr_len = 0; - if (newnp->opt) - inet_csk(newsk)->icsk_ext_hdr_len = (newnp->opt->opt_nflen + - newnp->opt->opt_flen); + if (opt) + inet_csk(newsk)->icsk_ext_hdr_len = opt->opt_nflen + + opt->opt_flen; tcp_ca_openreq_child(newsk, dst); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 01bcb49619ee..9da3287a3923 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1110,6 +1110,7 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) DECLARE_SOCKADDR(struct sockaddr_in6 *, sin6, msg->msg_name); struct in6_addr *daddr, *final_p, final; struct ipv6_txoptions *opt = NULL; + struct ipv6_txoptions *opt_to_free = NULL; struct ip6_flowlabel *flowlabel = NULL; struct flowi6 fl6; struct dst_entry *dst; @@ -1263,8 +1264,10 @@ do_udp_sendmsg: opt = NULL; connected = 0; } - if (!opt) - opt = np->opt; + if (!opt) { + opt = txopt_get(np); + opt_to_free = opt; + } if (flowlabel) opt = fl6_merge_options(&opt_space, flowlabel, opt); opt = ipv6_fixup_options(&opt_space, opt); @@ -1373,6 +1376,7 @@ release_dst: out: dst_release(dst); fl6_sock_release(flowlabel); + txopt_put(opt_to_free); if (!err) return len; /* diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index fcb2752419c6..435608c4306d 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1483,7 +1483,7 @@ unsigned int iucv_sock_poll(struct file *file, struct socket *sock, if (sock_writeable(sk) && iucv_below_msglim(sk)) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; else - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); return mask; } diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index aca38d8aed8e..a2c8747d2936 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -486,6 +486,7 @@ static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) DECLARE_SOCKADDR(struct sockaddr_l2tpip6 *, lsa, msg->msg_name); struct in6_addr *daddr, *final_p, final; struct ipv6_pinfo *np = inet6_sk(sk); + struct ipv6_txoptions *opt_to_free = NULL; struct ipv6_txoptions *opt = NULL; struct ip6_flowlabel *flowlabel = NULL; struct dst_entry *dst = NULL; @@ -575,8 +576,10 @@ static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) opt = NULL; } - if (opt == NULL) - opt = np->opt; + if (!opt) { + opt = txopt_get(np); + opt_to_free = opt; + } if (flowlabel) opt = fl6_merge_options(&opt_space, flowlabel, opt); opt = ipv6_fixup_options(&opt_space, opt); @@ -631,6 +634,7 @@ done: dst_release(dst); out: fl6_sock_release(flowlabel); + txopt_put(opt_to_free); return err < 0 ? err : len; diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index a758eb84e8f0..ff757181b0a8 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -500,7 +500,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) /* send AddBA request */ ieee80211_send_addba_request(sdata, sta->sta.addr, tid, tid_tx->dialog_token, start_seq_num, - local->hw.max_tx_aggregation_subframes, + IEEE80211_MAX_AMPDU_BUF, tid_tx->timeout); } @@ -926,6 +926,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, amsdu = capab & IEEE80211_ADDBA_PARAM_AMSDU_MASK; tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6; + buf_size = min(buf_size, local->hw.max_tx_aggregation_subframes); mutex_lock(&sta->ampdu_mlme.mtx); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c2bd1b6a6922..da471eef07bb 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3454,8 +3454,12 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, goto out_unlock; } } else { - /* for cookie below */ - ack_skb = skb; + /* Assign a dummy non-zero cookie, it's not sent to + * userspace in this case but we rely on its value + * internally in the need_offchan case to distinguish + * mgmt-tx from remain-on-channel. + */ + *cookie = 0xffffffff; } if (!need_offchan) { diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index d0dc1bfaeec2..c9e325d2e120 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -76,7 +76,8 @@ bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata) void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata, bool update_bss) { - if (__ieee80211_recalc_txpower(sdata) || update_bss) + if (__ieee80211_recalc_txpower(sdata) || + (update_bss && ieee80211_sdata_running(sdata))) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_TXPOWER); } @@ -1861,6 +1862,7 @@ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata) unregister_netdevice(sdata->dev); } else { cfg80211_unregister_wdev(&sdata->wdev); + ieee80211_teardown_sdata(sdata); kfree(sdata); } } @@ -1870,7 +1872,6 @@ void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata) if (WARN_ON_ONCE(!test_bit(SDATA_STATE_RUNNING, &sdata->state))) return; ieee80211_do_stop(sdata, true); - ieee80211_teardown_sdata(sdata); } void ieee80211_remove_interfaces(struct ieee80211_local *local) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 858f6b1cb149..175ffcf7fb06 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -541,8 +541,7 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len, NL80211_FEATURE_HT_IBSS | NL80211_FEATURE_VIF_TXPOWER | NL80211_FEATURE_MAC_ON_CREATE | - NL80211_FEATURE_USERSPACE_MPM | - NL80211_FEATURE_FULL_AP_CLIENT_STATE; + NL80211_FEATURE_USERSPACE_MPM; if (!ops->hw_scan) wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN | diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index b890e225a8f1..b3b44a5dd375 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -779,10 +779,8 @@ void mesh_plink_broken(struct sta_info *sta) static void mesh_path_node_reclaim(struct rcu_head *rp) { struct mpath_node *node = container_of(rp, struct mpath_node, rcu); - struct ieee80211_sub_if_data *sdata = node->mpath->sdata; del_timer_sync(&node->mpath->timer); - atomic_dec(&sdata->u.mesh.mpaths); kfree(node->mpath); kfree(node); } @@ -790,8 +788,9 @@ static void mesh_path_node_reclaim(struct rcu_head *rp) /* needs to be called with the corresponding hashwlock taken */ static void __mesh_path_del(struct mesh_table *tbl, struct mpath_node *node) { - struct mesh_path *mpath; - mpath = node->mpath; + struct mesh_path *mpath = node->mpath; + struct ieee80211_sub_if_data *sdata = node->mpath->sdata; + spin_lock(&mpath->state_lock); mpath->flags |= MESH_PATH_RESOLVING; if (mpath->is_gate) @@ -799,6 +798,7 @@ static void __mesh_path_del(struct mesh_table *tbl, struct mpath_node *node) hlist_del_rcu(&node->list); call_rcu(&node->rcu, mesh_path_node_reclaim); spin_unlock(&mpath->state_lock); + atomic_dec(&sdata->u.mesh.mpaths); atomic_dec(&tbl->entries); } diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 4aeca4b0c3cb..a413e52f7691 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -597,8 +597,8 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata, /* We need to ensure power level is at max for scanning. */ ieee80211_hw_config(local, 0); - if ((req->channels[0]->flags & - IEEE80211_CHAN_NO_IR) || + if ((req->channels[0]->flags & (IEEE80211_CHAN_NO_IR | + IEEE80211_CHAN_RADAR)) || !req->n_ssids) { next_delay = IEEE80211_PASSIVE_CHANNEL_TIME; } else { @@ -645,7 +645,7 @@ ieee80211_scan_get_channel_time(struct ieee80211_channel *chan) * TODO: channel switching also consumes quite some time, * add that delay as well to get a better estimation */ - if (chan->flags & IEEE80211_CHAN_NO_IR) + if (chan->flags & (IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_RADAR)) return IEEE80211_PASSIVE_CHANNEL_TIME; return IEEE80211_PROBE_DELAY + IEEE80211_CHANNEL_TIME; } @@ -777,7 +777,8 @@ static void ieee80211_scan_state_set_channel(struct ieee80211_local *local, * * In any case, it is not necessary for a passive scan. */ - if (chan->flags & IEEE80211_CHAN_NO_IR || !scan_req->n_ssids) { + if ((chan->flags & (IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_RADAR)) || + !scan_req->n_ssids) { *next_delay = IEEE80211_PASSIVE_CHANNEL_TIME; local->next_scan_state = SCAN_DECISION; return; diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index b7de0da46acd..ecf0a0196f18 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -572,7 +572,7 @@ static unsigned int llcp_sock_poll(struct file *file, struct socket *sock, if (sock_writeable(sk) && sk->sk_state == LLCP_CONNECTED) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; else - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); pr_debug("mask 0x%x\n", mask); diff --git a/net/openvswitch/dp_notify.c b/net/openvswitch/dp_notify.c index a7a80a6b77b0..653d073bae45 100644 --- a/net/openvswitch/dp_notify.c +++ b/net/openvswitch/dp_notify.c @@ -58,7 +58,7 @@ void ovs_dp_notify_wq(struct work_struct *work) struct hlist_node *n; hlist_for_each_entry_safe(vport, n, &dp->ports[i], dp_hash_node) { - if (vport->ops->type != OVS_VPORT_TYPE_NETDEV) + if (vport->ops->type == OVS_VPORT_TYPE_INTERNAL) continue; if (!(vport->dev->priv_flags & IFF_OVS_DATAPATH)) diff --git a/net/openvswitch/vport-geneve.c b/net/openvswitch/vport-geneve.c index efb736bb6855..e41cd12d9b2d 100644 --- a/net/openvswitch/vport-geneve.c +++ b/net/openvswitch/vport-geneve.c @@ -117,7 +117,6 @@ static struct vport_ops ovs_geneve_vport_ops = { .destroy = ovs_netdev_tunnel_destroy, .get_options = geneve_get_options, .send = dev_queue_xmit, - .owner = THIS_MODULE, }; static int __init ovs_geneve_tnl_init(void) diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c index c3257d78d3d2..7f8897f33a67 100644 --- a/net/openvswitch/vport-gre.c +++ b/net/openvswitch/vport-gre.c @@ -89,7 +89,6 @@ static struct vport_ops ovs_gre_vport_ops = { .create = gre_create, .send = dev_queue_xmit, .destroy = ovs_netdev_tunnel_destroy, - .owner = THIS_MODULE, }; static int __init ovs_gre_tnl_init(void) diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c index b327368a3848..6b0190b987ec 100644 --- a/net/openvswitch/vport-netdev.c +++ b/net/openvswitch/vport-netdev.c @@ -180,9 +180,13 @@ void ovs_netdev_tunnel_destroy(struct vport *vport) if (vport->dev->priv_flags & IFF_OVS_DATAPATH) ovs_netdev_detach_dev(vport); - /* Early release so we can unregister the device */ + /* We can be invoked by both explicit vport deletion and + * underlying netdev deregistration; delete the link only + * if it's not already shutting down. + */ + if (vport->dev->reg_state == NETREG_REGISTERED) + rtnl_delete_link(vport->dev); dev_put(vport->dev); - rtnl_delete_link(vport->dev); vport->dev = NULL; rtnl_unlock(); diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c index 0ac0fd004d7e..31cbc8c5c7db 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c @@ -71,7 +71,7 @@ static struct hlist_head *hash_bucket(const struct net *net, const char *name) return &dev_table[hash & (VPORT_HASH_BUCKETS - 1)]; } -int ovs_vport_ops_register(struct vport_ops *ops) +int __ovs_vport_ops_register(struct vport_ops *ops) { int err = -EEXIST; struct vport_ops *o; @@ -87,7 +87,7 @@ errout: ovs_unlock(); return err; } -EXPORT_SYMBOL_GPL(ovs_vport_ops_register); +EXPORT_SYMBOL_GPL(__ovs_vport_ops_register); void ovs_vport_ops_unregister(struct vport_ops *ops) { @@ -256,8 +256,8 @@ int ovs_vport_set_options(struct vport *vport, struct nlattr *options) * * @vport: vport to delete. * - * Detaches @vport from its datapath and destroys it. It is possible to fail - * for reasons such as lack of memory. ovs_mutex must be held. + * Detaches @vport from its datapath and destroys it. ovs_mutex must + * be held. */ void ovs_vport_del(struct vport *vport) { diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h index bdfd82a7c064..8ea3a96980ac 100644 --- a/net/openvswitch/vport.h +++ b/net/openvswitch/vport.h @@ -196,7 +196,13 @@ static inline const char *ovs_vport_name(struct vport *vport) return vport->dev->name; } -int ovs_vport_ops_register(struct vport_ops *ops); +int __ovs_vport_ops_register(struct vport_ops *ops); +#define ovs_vport_ops_register(ops) \ + ({ \ + (ops)->owner = THIS_MODULE; \ + __ovs_vport_ops_register(ops); \ + }) + void ovs_vport_ops_unregister(struct vport_ops *ops); static inline struct rtable *ovs_tunnel_route_lookup(struct net *net, diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 1cf928fb573e..992396aa635c 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2329,8 +2329,8 @@ static void tpacket_destruct_skb(struct sk_buff *skb) static bool ll_header_truncated(const struct net_device *dev, int len) { /* net device doesn't like empty head */ - if (unlikely(len <= dev->hard_header_len)) { - net_warn_ratelimited("%s: packet size is too short (%d <= %d)\n", + if (unlikely(len < dev->hard_header_len)) { + net_warn_ratelimited("%s: packet size is too short (%d < %d)\n", current->comm, len, dev->hard_header_len); return true; } diff --git a/net/rds/connection.c b/net/rds/connection.c index d4564036a339..e3b118cae81d 100644 --- a/net/rds/connection.c +++ b/net/rds/connection.c @@ -186,12 +186,6 @@ static struct rds_connection *__rds_conn_create(struct net *net, } } - if (trans == NULL) { - kmem_cache_free(rds_conn_slab, conn); - conn = ERR_PTR(-ENODEV); - goto out; - } - conn->c_trans = trans; ret = trans->conn_alloc(conn, gfp); diff --git a/net/rds/send.c b/net/rds/send.c index 827155c2ead1..c9cdb358ea88 100644 --- a/net/rds/send.c +++ b/net/rds/send.c @@ -1013,11 +1013,13 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len) release_sock(sk); } - /* racing with another thread binding seems ok here */ + lock_sock(sk); if (daddr == 0 || rs->rs_bound_addr == 0) { + release_sock(sk); ret = -ENOTCONN; /* XXX not a great errno */ goto out; } + release_sock(sk); if (payload_len > rds_sk_sndbuf(rs)) { ret = -EMSGSIZE; diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c index e0547f521f20..adc555e0323d 100644 --- a/net/rxrpc/ar-ack.c +++ b/net/rxrpc/ar-ack.c @@ -723,8 +723,10 @@ process_further: if ((call->state == RXRPC_CALL_CLIENT_AWAIT_REPLY || call->state == RXRPC_CALL_SERVER_AWAIT_ACK) && - hard > tx) + hard > tx) { + call->acks_hard = tx; goto all_acked; + } smp_rmb(); rxrpc_rotate_tx_window(call, hard - 1); diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c index a40d3afe93b7..14c4e12c47b0 100644 --- a/net/rxrpc/ar-output.c +++ b/net/rxrpc/ar-output.c @@ -531,7 +531,7 @@ static int rxrpc_send_data(struct rxrpc_sock *rx, timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); /* this should be in poll */ - clear_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk); if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN)) return -EPIPE; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index f43c8f33f09e..7ec667dd4ce1 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -253,7 +253,8 @@ int qdisc_set_default(const char *name) } /* We know handle. Find qdisc among all qdisc's attached to device - (root qdisc, all its children, children of children etc.) + * (root qdisc, all its children, children of children etc.) + * Note: caller either uses rtnl or rcu_read_lock() */ static struct Qdisc *qdisc_match_from_root(struct Qdisc *root, u32 handle) @@ -264,7 +265,7 @@ static struct Qdisc *qdisc_match_from_root(struct Qdisc *root, u32 handle) root->handle == handle) return root; - list_for_each_entry(q, &root->list, list) { + list_for_each_entry_rcu(q, &root->list, list) { if (q->handle == handle) return q; } @@ -277,15 +278,18 @@ void qdisc_list_add(struct Qdisc *q) struct Qdisc *root = qdisc_dev(q)->qdisc; WARN_ON_ONCE(root == &noop_qdisc); - list_add_tail(&q->list, &root->list); + ASSERT_RTNL(); + list_add_tail_rcu(&q->list, &root->list); } } EXPORT_SYMBOL(qdisc_list_add); void qdisc_list_del(struct Qdisc *q) { - if ((q->parent != TC_H_ROOT) && !(q->flags & TCQ_F_INGRESS)) - list_del(&q->list); + if ((q->parent != TC_H_ROOT) && !(q->flags & TCQ_F_INGRESS)) { + ASSERT_RTNL(); + list_del_rcu(&q->list); + } } EXPORT_SYMBOL(qdisc_list_del); @@ -750,14 +754,18 @@ void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n) if (n == 0) return; drops = max_t(int, n, 0); + rcu_read_lock(); while ((parentid = sch->parent)) { if (TC_H_MAJ(parentid) == TC_H_MAJ(TC_H_INGRESS)) - return; + break; + if (sch->flags & TCQ_F_NOPARENT) + break; + /* TODO: perform the search on a per txq basis */ sch = qdisc_lookup(qdisc_dev(sch), TC_H_MAJ(parentid)); if (sch == NULL) { - WARN_ON(parentid != TC_H_ROOT); - return; + WARN_ON_ONCE(parentid != TC_H_ROOT); + break; } cops = sch->ops->cl_ops; if (cops->qlen_notify) { @@ -768,6 +776,7 @@ void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n) sch->q.qlen -= n; __qdisc_qstats_drop(sch, drops); } + rcu_read_unlock(); } EXPORT_SYMBOL(qdisc_tree_decrease_qlen); @@ -941,7 +950,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue, } lockdep_set_class(qdisc_lock(sch), &qdisc_tx_lock); if (!netif_is_multiqueue(dev)) - sch->flags |= TCQ_F_ONETXQUEUE; + sch->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; } sch->handle = handle; diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index cb5d4ad32946..e82a1ad80aa5 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -737,7 +737,7 @@ static void attach_one_default_qdisc(struct net_device *dev, return; } if (!netif_is_multiqueue(dev)) - qdisc->flags |= TCQ_F_ONETXQUEUE; + qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; dev_queue->qdisc_sleeping = qdisc; } diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c index f3cbaecd283a..3e82f047caaf 100644 --- a/net/sched/sch_mq.c +++ b/net/sched/sch_mq.c @@ -63,7 +63,7 @@ static int mq_init(struct Qdisc *sch, struct nlattr *opt) if (qdisc == NULL) goto err; priv->qdiscs[ntx] = qdisc; - qdisc->flags |= TCQ_F_ONETXQUEUE; + qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; } sch->flags |= TCQ_F_MQROOT; @@ -156,7 +156,7 @@ static int mq_graft(struct Qdisc *sch, unsigned long cl, struct Qdisc *new, *old = dev_graft_qdisc(dev_queue, new); if (new) - new->flags |= TCQ_F_ONETXQUEUE; + new->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; if (dev->flags & IFF_UP) dev_activate(dev); return 0; diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c index 3811a745452c..ad70ecf57ce7 100644 --- a/net/sched/sch_mqprio.c +++ b/net/sched/sch_mqprio.c @@ -132,7 +132,7 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt) goto err; } priv->qdiscs[i] = qdisc; - qdisc->flags |= TCQ_F_ONETXQUEUE; + qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; } /* If the mqprio options indicate that hardware should own @@ -209,7 +209,7 @@ static int mqprio_graft(struct Qdisc *sch, unsigned long cl, struct Qdisc *new, *old = dev_graft_qdisc(dev_queue, new); if (new) - new->flags |= TCQ_F_ONETXQUEUE; + new->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; if (dev->flags & IFF_UP) dev_activate(dev); diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index e917d27328ea..acb45b8c2a9d 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -209,6 +209,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport) struct sock *sk = skb->sk; struct ipv6_pinfo *np = inet6_sk(sk); struct flowi6 *fl6 = &transport->fl.u.ip6; + int res; pr_debug("%s: skb:%p, len:%d, src:%pI6 dst:%pI6\n", __func__, skb, skb->len, &fl6->saddr, &fl6->daddr); @@ -220,7 +221,10 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport) SCTP_INC_STATS(sock_net(sk), SCTP_MIB_OUTSCTPPACKS); - return ip6_xmit(sk, skb, fl6, np->opt, np->tclass); + rcu_read_lock(); + res = ip6_xmit(sk, skb, fl6, rcu_dereference(np->opt), np->tclass); + rcu_read_unlock(); + return res; } /* Returns the dst cache entry for the given source and destination ip @@ -262,7 +266,10 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr, pr_debug("src=%pI6 - ", &fl6->saddr); } - final_p = fl6_update_dst(fl6, np->opt, &final); + rcu_read_lock(); + final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final); + rcu_read_unlock(); + dst = ip6_dst_lookup_flow(sk, fl6, final_p); if (!asoc || saddr) goto out; @@ -321,7 +328,7 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr, if (baddr) { fl6->saddr = baddr->v6.sin6_addr; fl6->fl6_sport = baddr->v6.sin6_port; - final_p = fl6_update_dst(fl6, np->opt, &final); + final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final); dst = ip6_dst_lookup_flow(sk, fl6, final_p); } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 897c01c029ca..03c8256063ec 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -972,7 +972,7 @@ static int sctp_setsockopt_bindx(struct sock *sk, return -EFAULT; /* Alloc space for the address array in kernel memory. */ - kaddrs = kmalloc(addrs_size, GFP_KERNEL); + kaddrs = kmalloc(addrs_size, GFP_USER | __GFP_NOWARN); if (unlikely(!kaddrs)) return -ENOMEM; @@ -4928,7 +4928,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len, to = optval + offsetof(struct sctp_getaddrs, addrs); space_left = len - offsetof(struct sctp_getaddrs, addrs); - addrs = kmalloc(space_left, GFP_KERNEL); + addrs = kmalloc(space_left, GFP_USER | __GFP_NOWARN); if (!addrs) return -ENOMEM; @@ -6458,7 +6458,7 @@ unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait) if (sctp_writeable(sk)) { mask |= POLLOUT | POLLWRNORM; } else { - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); /* * Since the socket is not locked, the buffer * might be made available after the writeable check and @@ -6801,26 +6801,30 @@ no_packet: static void __sctp_write_space(struct sctp_association *asoc) { struct sock *sk = asoc->base.sk; - struct socket *sock = sk->sk_socket; - if ((sctp_wspace(asoc) > 0) && sock) { - if (waitqueue_active(&asoc->wait)) - wake_up_interruptible(&asoc->wait); + if (sctp_wspace(asoc) <= 0) + return; + + if (waitqueue_active(&asoc->wait)) + wake_up_interruptible(&asoc->wait); - if (sctp_writeable(sk)) { - wait_queue_head_t *wq = sk_sleep(sk); + if (sctp_writeable(sk)) { + struct socket_wq *wq; - if (wq && waitqueue_active(wq)) - wake_up_interruptible(wq); + rcu_read_lock(); + wq = rcu_dereference(sk->sk_wq); + if (wq) { + if (waitqueue_active(&wq->wait)) + wake_up_interruptible(&wq->wait); /* Note that we try to include the Async I/O support * here by modeling from the current TCP/UDP code. * We have not tested with it yet. */ if (!(sk->sk_shutdown & SEND_SHUTDOWN)) - sock_wake_async(sock, - SOCK_WAKE_SPACE, POLL_OUT); + sock_wake_async(wq, SOCK_WAKE_SPACE, POLL_OUT); } + rcu_read_unlock(); } } @@ -7375,6 +7379,13 @@ struct proto sctp_prot = { #if IS_ENABLED(CONFIG_IPV6) +#include <net/transp_v6.h> +static void sctp_v6_destroy_sock(struct sock *sk) +{ + sctp_destroy_sock(sk); + inet6_destroy_sock(sk); +} + struct proto sctpv6_prot = { .name = "SCTPv6", .owner = THIS_MODULE, @@ -7384,7 +7395,7 @@ struct proto sctpv6_prot = { .accept = sctp_accept, .ioctl = sctp_ioctl, .init = sctp_init_sock, - .destroy = sctp_destroy_sock, + .destroy = sctp_v6_destroy_sock, .shutdown = sctp_shutdown, .setsockopt = sctp_setsockopt, .getsockopt = sctp_getsockopt, diff --git a/net/socket.c b/net/socket.c index dd2c247c99e3..456fadb3d819 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1056,27 +1056,20 @@ static int sock_fasync(int fd, struct file *filp, int on) return 0; } -/* This function may be called only under socket lock or callback_lock or rcu_lock */ +/* This function may be called only under rcu_lock */ -int sock_wake_async(struct socket *sock, int how, int band) +int sock_wake_async(struct socket_wq *wq, int how, int band) { - struct socket_wq *wq; - - if (!sock) - return -1; - rcu_read_lock(); - wq = rcu_dereference(sock->wq); - if (!wq || !wq->fasync_list) { - rcu_read_unlock(); + if (!wq || !wq->fasync_list) return -1; - } + switch (how) { case SOCK_WAKE_WAITD: - if (test_bit(SOCK_ASYNC_WAITDATA, &sock->flags)) + if (test_bit(SOCKWQ_ASYNC_WAITDATA, &wq->flags)) break; goto call_kill; case SOCK_WAKE_SPACE: - if (!test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags)) + if (!test_and_clear_bit(SOCKWQ_ASYNC_NOSPACE, &wq->flags)) break; /* fall through */ case SOCK_WAKE_IO: @@ -1086,7 +1079,7 @@ call_kill: case SOCK_WAKE_URG: kill_fasync(&wq->fasync_list, SIGURG, band); } - rcu_read_unlock(); + return 0; } EXPORT_SYMBOL(sock_wake_async); diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 229956bf8457..95f82d8d4888 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -353,12 +353,20 @@ void xprt_complete_bc_request(struct rpc_rqst *req, uint32_t copied) { struct rpc_xprt *xprt = req->rq_xprt; struct svc_serv *bc_serv = xprt->bc_serv; + struct xdr_buf *rq_rcv_buf = &req->rq_rcv_buf; spin_lock(&xprt->bc_pa_lock); list_del(&req->rq_bc_pa_list); xprt_dec_alloc_count(xprt, 1); spin_unlock(&xprt->bc_pa_lock); + if (copied <= rq_rcv_buf->head[0].iov_len) { + rq_rcv_buf->head[0].iov_len = copied; + rq_rcv_buf->page_len = 0; + } else { + rq_rcv_buf->page_len = copied - rq_rcv_buf->head[0].iov_len; + } + req->rq_private_buf.len = copied; set_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state); diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index bc5b7b5032ca..7fccf9675df8 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1363,6 +1363,7 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req, memcpy(&rqstp->rq_addr, &req->rq_xprt->addr, rqstp->rq_addrlen); memcpy(&rqstp->rq_arg, &req->rq_rcv_buf, sizeof(rqstp->rq_arg)); memcpy(&rqstp->rq_res, &req->rq_snd_buf, sizeof(rqstp->rq_res)); + rqstp->rq_arg.len = req->rq_private_buf.len; /* reset result send buffer "put" position */ resv->iov_len = 0; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 1d1a70498910..2ffaf6a79499 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -398,7 +398,7 @@ static int xs_sendpages(struct socket *sock, struct sockaddr *addr, int addrlen, if (unlikely(!sock)) return -ENOTSOCK; - clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags); + clear_bit(SOCKWQ_ASYNC_NOSPACE, &sock->flags); if (base != 0) { addr = NULL; addrlen = 0; @@ -442,7 +442,7 @@ static void xs_nospace_callback(struct rpc_task *task) struct sock_xprt *transport = container_of(task->tk_rqstp->rq_xprt, struct sock_xprt, xprt); transport->inet->sk_write_pending--; - clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags); + clear_bit(SOCKWQ_ASYNC_NOSPACE, &transport->sock->flags); } /** @@ -467,7 +467,7 @@ static int xs_nospace(struct rpc_task *task) /* Don't race with disconnect */ if (xprt_connected(xprt)) { - if (test_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags)) { + if (test_bit(SOCKWQ_ASYNC_NOSPACE, &transport->sock->flags)) { /* * Notify TCP that we're limited by the application * window size @@ -478,7 +478,7 @@ static int xs_nospace(struct rpc_task *task) xprt_wait_for_buffer_space(task, xs_nospace_callback); } } else { - clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags); + clear_bit(SOCKWQ_ASYNC_NOSPACE, &transport->sock->flags); ret = -ENOTCONN; } @@ -626,7 +626,7 @@ process_status: case -EPERM: /* When the server has died, an ICMP port unreachable message * prompts ECONNREFUSED. */ - clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags); + clear_bit(SOCKWQ_ASYNC_NOSPACE, &transport->sock->flags); } return status; @@ -715,7 +715,7 @@ static int xs_tcp_send_request(struct rpc_task *task) case -EADDRINUSE: case -ENOBUFS: case -EPIPE: - clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags); + clear_bit(SOCKWQ_ASYNC_NOSPACE, &transport->sock->flags); } return status; @@ -1618,7 +1618,7 @@ static void xs_write_space(struct sock *sk) if (unlikely(!(xprt = xprt_from_sock(sk)))) return; - if (test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags) == 0) + if (test_and_clear_bit(SOCKWQ_ASYNC_NOSPACE, &sock->flags) == 0) return; xprt_write_space(xprt); diff --git a/net/tipc/link.c b/net/tipc/link.c index 9efbdbde2b08..91aea071ab27 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -191,6 +191,7 @@ void tipc_link_add_bc_peer(struct tipc_link *snd_l, snd_l->ackers++; rcv_l->acked = snd_l->snd_nxt - 1; + snd_l->state = LINK_ESTABLISHED; tipc_link_build_bc_init_msg(uc_l, xmitq); } @@ -206,6 +207,7 @@ void tipc_link_remove_bc_peer(struct tipc_link *snd_l, rcv_l->state = LINK_RESET; if (!snd_l->ackers) { tipc_link_reset(snd_l); + snd_l->state = LINK_RESET; __skb_queue_purge(xmitq); } } diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 552dbaba9cf3..b53246fb0412 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -105,6 +105,7 @@ struct tipc_sock { static int tipc_backlog_rcv(struct sock *sk, struct sk_buff *skb); static void tipc_data_ready(struct sock *sk); static void tipc_write_space(struct sock *sk); +static void tipc_sock_destruct(struct sock *sk); static int tipc_release(struct socket *sock); static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags); static int tipc_wait_for_sndmsg(struct socket *sock, long *timeo_p); @@ -381,6 +382,7 @@ static int tipc_sk_create(struct net *net, struct socket *sock, sk->sk_rcvbuf = sysctl_tipc_rmem[1]; sk->sk_data_ready = tipc_data_ready; sk->sk_write_space = tipc_write_space; + sk->sk_destruct = tipc_sock_destruct; tsk->conn_timeout = CONN_TIMEOUT_DEFAULT; tsk->sent_unacked = 0; atomic_set(&tsk->dupl_rcvcnt, 0); @@ -470,9 +472,6 @@ static int tipc_release(struct socket *sock) tipc_node_remove_conn(net, dnode, tsk->portid); } - /* Discard any remaining (connection-based) messages in receive queue */ - __skb_queue_purge(&sk->sk_receive_queue); - /* Reject any messages that accumulated in backlog queue */ sock->state = SS_DISCONNECTING; release_sock(sk); @@ -1515,6 +1514,11 @@ static void tipc_data_ready(struct sock *sk) rcu_read_unlock(); } +static void tipc_sock_destruct(struct sock *sk) +{ + __skb_queue_purge(&sk->sk_receive_queue); +} + /** * filter_connect - Handle all incoming messages for a connection-based socket * @tsk: TIPC socket diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index ad2719ad4c1b..70c03271b798 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -158,8 +158,11 @@ static int tipc_udp_send_msg(struct net *net, struct sk_buff *skb, struct udp_media_addr *src = (struct udp_media_addr *)&b->addr.value; struct rtable *rt; - if (skb_headroom(skb) < UDP_MIN_HEADROOM) - pskb_expand_head(skb, UDP_MIN_HEADROOM, 0, GFP_ATOMIC); + if (skb_headroom(skb) < UDP_MIN_HEADROOM) { + err = pskb_expand_head(skb, UDP_MIN_HEADROOM, 0, GFP_ATOMIC); + if (err) + goto tx_error; + } skb_set_inner_protocol(skb, htons(ETH_P_TIPC)); ub = rcu_dereference_rtnl(b->media_ptr); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 955ec152cb71..45aebd966978 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -326,6 +326,118 @@ found: return s; } +/* Support code for asymmetrically connected dgram sockets + * + * If a datagram socket is connected to a socket not itself connected + * to the first socket (eg, /dev/log), clients may only enqueue more + * messages if the present receive queue of the server socket is not + * "too large". This means there's a second writeability condition + * poll and sendmsg need to test. The dgram recv code will do a wake + * up on the peer_wait wait queue of a socket upon reception of a + * datagram which needs to be propagated to sleeping would-be writers + * since these might not have sent anything so far. This can't be + * accomplished via poll_wait because the lifetime of the server + * socket might be less than that of its clients if these break their + * association with it or if the server socket is closed while clients + * are still connected to it and there's no way to inform "a polling + * implementation" that it should let go of a certain wait queue + * + * In order to propagate a wake up, a wait_queue_t of the client + * socket is enqueued on the peer_wait queue of the server socket + * whose wake function does a wake_up on the ordinary client socket + * wait queue. This connection is established whenever a write (or + * poll for write) hit the flow control condition and broken when the + * association to the server socket is dissolved or after a wake up + * was relayed. + */ + +static int unix_dgram_peer_wake_relay(wait_queue_t *q, unsigned mode, int flags, + void *key) +{ + struct unix_sock *u; + wait_queue_head_t *u_sleep; + + u = container_of(q, struct unix_sock, peer_wake); + + __remove_wait_queue(&unix_sk(u->peer_wake.private)->peer_wait, + q); + u->peer_wake.private = NULL; + + /* relaying can only happen while the wq still exists */ + u_sleep = sk_sleep(&u->sk); + if (u_sleep) + wake_up_interruptible_poll(u_sleep, key); + + return 0; +} + +static int unix_dgram_peer_wake_connect(struct sock *sk, struct sock *other) +{ + struct unix_sock *u, *u_other; + int rc; + + u = unix_sk(sk); + u_other = unix_sk(other); + rc = 0; + spin_lock(&u_other->peer_wait.lock); + + if (!u->peer_wake.private) { + u->peer_wake.private = other; + __add_wait_queue(&u_other->peer_wait, &u->peer_wake); + + rc = 1; + } + + spin_unlock(&u_other->peer_wait.lock); + return rc; +} + +static void unix_dgram_peer_wake_disconnect(struct sock *sk, + struct sock *other) +{ + struct unix_sock *u, *u_other; + + u = unix_sk(sk); + u_other = unix_sk(other); + spin_lock(&u_other->peer_wait.lock); + + if (u->peer_wake.private == other) { + __remove_wait_queue(&u_other->peer_wait, &u->peer_wake); + u->peer_wake.private = NULL; + } + + spin_unlock(&u_other->peer_wait.lock); +} + +static void unix_dgram_peer_wake_disconnect_wakeup(struct sock *sk, + struct sock *other) +{ + unix_dgram_peer_wake_disconnect(sk, other); + wake_up_interruptible_poll(sk_sleep(sk), + POLLOUT | + POLLWRNORM | + POLLWRBAND); +} + +/* preconditions: + * - unix_peer(sk) == other + * - association is stable + */ +static int unix_dgram_peer_wake_me(struct sock *sk, struct sock *other) +{ + int connected; + + connected = unix_dgram_peer_wake_connect(sk, other); + + if (unix_recvq_full(other)) + return 1; + + if (connected) + unix_dgram_peer_wake_disconnect(sk, other); + + return 0; +} + static int unix_writable(const struct sock *sk) { return sk->sk_state != TCP_LISTEN && @@ -431,6 +543,8 @@ static void unix_release_sock(struct sock *sk, int embrion) skpair->sk_state_change(skpair); sk_wake_async(skpair, SOCK_WAKE_WAITD, POLL_HUP); } + + unix_dgram_peer_wake_disconnect(sk, skpair); sock_put(skpair); /* It may now die */ unix_peer(sk) = NULL; } @@ -666,6 +780,7 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern) INIT_LIST_HEAD(&u->link); mutex_init(&u->readlock); /* single task reading lock */ init_waitqueue_head(&u->peer_wait); + init_waitqueue_func_entry(&u->peer_wake, unix_dgram_peer_wake_relay); unix_insert_socket(unix_sockets_unbound(sk), sk); out: if (sk == NULL) @@ -1033,6 +1148,8 @@ restart: if (unix_peer(sk)) { struct sock *old_peer = unix_peer(sk); unix_peer(sk) = other; + unix_dgram_peer_wake_disconnect_wakeup(sk, old_peer); + unix_state_double_unlock(sk, other); if (other != old_peer) @@ -1434,6 +1551,14 @@ static int unix_scm_to_skb(struct scm_cookie *scm, struct sk_buff *skb, bool sen return err; } +static bool unix_passcred_enabled(const struct socket *sock, + const struct sock *other) +{ + return test_bit(SOCK_PASSCRED, &sock->flags) || + !other->sk_socket || + test_bit(SOCK_PASSCRED, &other->sk_socket->flags); +} + /* * Some apps rely on write() giving SCM_CREDENTIALS * We include credentials if source or destination socket @@ -1444,14 +1569,41 @@ static void maybe_add_creds(struct sk_buff *skb, const struct socket *sock, { if (UNIXCB(skb).pid) return; - if (test_bit(SOCK_PASSCRED, &sock->flags) || - !other->sk_socket || - test_bit(SOCK_PASSCRED, &other->sk_socket->flags)) { + if (unix_passcred_enabled(sock, other)) { UNIXCB(skb).pid = get_pid(task_tgid(current)); current_uid_gid(&UNIXCB(skb).uid, &UNIXCB(skb).gid); } } +static int maybe_init_creds(struct scm_cookie *scm, + struct socket *socket, + const struct sock *other) +{ + int err; + struct msghdr msg = { .msg_controllen = 0 }; + + err = scm_send(socket, &msg, scm, false); + if (err) + return err; + + if (unix_passcred_enabled(socket, other)) { + scm->pid = get_pid(task_tgid(current)); + current_uid_gid(&scm->creds.uid, &scm->creds.gid); + } + return err; +} + +static bool unix_skb_scm_eq(struct sk_buff *skb, + struct scm_cookie *scm) +{ + const struct unix_skb_parms *u = &UNIXCB(skb); + + return u->pid == scm->pid && + uid_eq(u->uid, scm->creds.uid) && + gid_eq(u->gid, scm->creds.gid) && + unix_secdata_eq(scm, skb); +} + /* * Send AF_UNIX data. */ @@ -1472,6 +1624,7 @@ static int unix_dgram_sendmsg(struct socket *sock, struct msghdr *msg, struct scm_cookie scm; int max_level; int data_len = 0; + int sk_locked; wait_for_unix_gc(); err = scm_send(sock, msg, &scm, false); @@ -1550,12 +1703,14 @@ restart: goto out_free; } + sk_locked = 0; unix_state_lock(other); +restart_locked: err = -EPERM; if (!unix_may_send(sk, other)) goto out_unlock; - if (sock_flag(other, SOCK_DEAD)) { + if (unlikely(sock_flag(other, SOCK_DEAD))) { /* * Check with 1003.1g - what should * datagram error @@ -1563,10 +1718,14 @@ restart: unix_state_unlock(other); sock_put(other); + if (!sk_locked) + unix_state_lock(sk); + err = 0; - unix_state_lock(sk); if (unix_peer(sk) == other) { unix_peer(sk) = NULL; + unix_dgram_peer_wake_disconnect_wakeup(sk, other); + unix_state_unlock(sk); unix_dgram_disconnected(sk, other); @@ -1592,21 +1751,38 @@ restart: goto out_unlock; } - if (unix_peer(other) != sk && unix_recvq_full(other)) { - if (!timeo) { - err = -EAGAIN; - goto out_unlock; + if (unlikely(unix_peer(other) != sk && unix_recvq_full(other))) { + if (timeo) { + timeo = unix_wait_for_peer(other, timeo); + + err = sock_intr_errno(timeo); + if (signal_pending(current)) + goto out_free; + + goto restart; } - timeo = unix_wait_for_peer(other, timeo); + if (!sk_locked) { + unix_state_unlock(other); + unix_state_double_lock(sk, other); + } - err = sock_intr_errno(timeo); - if (signal_pending(current)) - goto out_free; + if (unix_peer(sk) != other || + unix_dgram_peer_wake_me(sk, other)) { + err = -EAGAIN; + sk_locked = 1; + goto out_unlock; + } - goto restart; + if (!sk_locked) { + sk_locked = 1; + goto restart_locked; + } } + if (unlikely(sk_locked)) + unix_state_unlock(sk); + if (sock_flag(other, SOCK_RCVTSTAMP)) __net_timestamp(skb); maybe_add_creds(skb, sock, other); @@ -1620,6 +1796,8 @@ restart: return len; out_unlock: + if (sk_locked) + unix_state_unlock(sk); unix_state_unlock(other); out_free: kfree_skb(skb); @@ -1741,8 +1919,10 @@ out_err: static ssize_t unix_stream_sendpage(struct socket *socket, struct page *page, int offset, size_t size, int flags) { - int err = 0; - bool send_sigpipe = true; + int err; + bool send_sigpipe = false; + bool init_scm = true; + struct scm_cookie scm; struct sock *other, *sk = socket->sk; struct sk_buff *skb, *newskb = NULL, *tail = NULL; @@ -1760,7 +1940,7 @@ alloc_skb: newskb = sock_alloc_send_pskb(sk, 0, 0, flags & MSG_DONTWAIT, &err, 0); if (!newskb) - return err; + goto err; } /* we must acquire readlock as we modify already present @@ -1769,12 +1949,12 @@ alloc_skb: err = mutex_lock_interruptible(&unix_sk(other)->readlock); if (err) { err = flags & MSG_DONTWAIT ? -EAGAIN : -ERESTARTSYS; - send_sigpipe = false; goto err; } if (sk->sk_shutdown & SEND_SHUTDOWN) { err = -EPIPE; + send_sigpipe = true; goto err_unlock; } @@ -1783,17 +1963,27 @@ alloc_skb: if (sock_flag(other, SOCK_DEAD) || other->sk_shutdown & RCV_SHUTDOWN) { err = -EPIPE; + send_sigpipe = true; goto err_state_unlock; } + if (init_scm) { + err = maybe_init_creds(&scm, socket, other); + if (err) + goto err_state_unlock; + init_scm = false; + } + skb = skb_peek_tail(&other->sk_receive_queue); if (tail && tail == skb) { skb = newskb; - } else if (!skb) { - if (newskb) + } else if (!skb || !unix_skb_scm_eq(skb, &scm)) { + if (newskb) { skb = newskb; - else + } else { + tail = skb; goto alloc_skb; + } } else if (newskb) { /* this is fast path, we don't necessarily need to * call to kfree_skb even though with newskb == NULL @@ -1814,6 +2004,9 @@ alloc_skb: atomic_add(size, &sk->sk_wmem_alloc); if (newskb) { + err = unix_scm_to_skb(&scm, skb, false); + if (err) + goto err_state_unlock; spin_lock(&other->sk_receive_queue.lock); __skb_queue_tail(&other->sk_receive_queue, newskb); spin_unlock(&other->sk_receive_queue.lock); @@ -1823,7 +2016,7 @@ alloc_skb: mutex_unlock(&unix_sk(other)->readlock); other->sk_data_ready(other); - + scm_destroy(&scm); return size; err_state_unlock: @@ -1834,6 +2027,8 @@ err: kfree_skb(newskb); if (send_sigpipe && !(flags & MSG_NOSIGNAL)) send_sig(SIGPIPE, current, 0); + if (!init_scm) + scm_destroy(&scm); return err; } @@ -1996,7 +2191,7 @@ static long unix_stream_data_wait(struct sock *sk, long timeo, !timeo) break; - set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); unix_state_unlock(sk); timeo = freezable_schedule_timeout(timeo); unix_state_lock(sk); @@ -2004,7 +2199,7 @@ static long unix_stream_data_wait(struct sock *sk, long timeo, if (sock_flag(sk, SOCK_DEAD)) break; - clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); + sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); } finish_wait(sk_sleep(sk), &wait); @@ -2137,10 +2332,7 @@ unlock: if (check_creds) { /* Never glue messages from different writers */ - if ((UNIXCB(skb).pid != scm.pid) || - !uid_eq(UNIXCB(skb).uid, scm.creds.uid) || - !gid_eq(UNIXCB(skb).gid, scm.creds.gid) || - !unix_secdata_eq(&scm, skb)) + if (!unix_skb_scm_eq(skb, &scm)) break; } else if (test_bit(SOCK_PASSCRED, &sock->flags)) { /* Copy credentials */ @@ -2476,20 +2668,22 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock, return mask; writable = unix_writable(sk); - other = unix_peer_get(sk); - if (other) { - if (unix_peer(other) != sk) { - sock_poll_wait(file, &unix_sk(other)->peer_wait, wait); - if (unix_recvq_full(other)) - writable = 0; - } - sock_put(other); + if (writable) { + unix_state_lock(sk); + + other = unix_peer(sk); + if (other && unix_peer(other) != sk && + unix_recvq_full(other) && + unix_dgram_peer_wake_me(sk, other)) + writable = 0; + + unix_state_unlock(sk); } if (writable) mask |= POLLOUT | POLLWRNORM | POLLWRBAND; else - set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); + sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); return mask; } diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 125b906cd1d4..638a38e1b419 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -2711,7 +2711,7 @@ $kernelversion = get_kernel_version(); # generate a sequence of code that will splice in highlighting information # using the s// operator. -foreach my $k (keys @highlights) { +for (my $k = 0; $k < @highlights; $k++) { my $pattern = $highlights[$k][0]; my $result = $highlights[$k][1]; # print STDERR "scanning pattern:$pattern, highlight:($result)\n"; diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index 927db9f35ad6..696ccfa08d10 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -845,6 +845,8 @@ static int encrypted_update(struct key *key, struct key_preparsed_payload *prep) size_t datalen = prep->datalen; int ret = 0; + if (test_bit(KEY_FLAG_NEGATIVE, &key->flags)) + return -ENOKEY; if (datalen <= 0 || datalen > 32767 || !prep->data) return -EINVAL; diff --git a/security/keys/trusted.c b/security/keys/trusted.c index 903dace648a1..16dec53184b6 100644 --- a/security/keys/trusted.c +++ b/security/keys/trusted.c @@ -1007,13 +1007,16 @@ static void trusted_rcu_free(struct rcu_head *rcu) */ static int trusted_update(struct key *key, struct key_preparsed_payload *prep) { - struct trusted_key_payload *p = key->payload.data[0]; + struct trusted_key_payload *p; struct trusted_key_payload *new_p; struct trusted_key_options *new_o; size_t datalen = prep->datalen; char *datablob; int ret = 0; + if (test_bit(KEY_FLAG_NEGATIVE, &key->flags)) + return -ENOKEY; + p = key->payload.data[0]; if (!p->migratable) return -EPERM; if (datalen <= 0 || datalen > 32767 || !prep->data) diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c index 28cb30f80256..8705d79b2c6f 100644 --- a/security/keys/user_defined.c +++ b/security/keys/user_defined.c @@ -120,7 +120,10 @@ int user_update(struct key *key, struct key_preparsed_payload *prep) if (ret == 0) { /* attach the new data, displacing the old */ - zap = key->payload.data[0]; + if (!test_bit(KEY_FLAG_NEGATIVE, &key->flags)) + zap = key->payload.data[0]; + else + zap = NULL; rcu_assign_keypointer(key, upayload); key->expiry = 0; } diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c index 18643bf9894d..456e1a9bcfde 100644 --- a/security/selinux/ss/conditional.c +++ b/security/selinux/ss/conditional.c @@ -638,7 +638,7 @@ void cond_compute_av(struct avtab *ctab, struct avtab_key *key, { struct avtab_node *node; - if (!ctab || !key || !avd || !xperms) + if (!ctab || !key || !avd) return; for (node = avtab_search_node(ctab, key); node; @@ -657,7 +657,7 @@ void cond_compute_av(struct avtab *ctab, struct avtab_key *key, if ((u16)(AVTAB_AUDITALLOW|AVTAB_ENABLED) == (node->key.specified & (AVTAB_AUDITALLOW|AVTAB_ENABLED))) avd->auditallow |= node->datum.u.data; - if ((node->key.specified & AVTAB_ENABLED) && + if (xperms && (node->key.specified & AVTAB_ENABLED) && (node->key.specified & AVTAB_XPERMS)) services_compute_xperms_drivers(xperms, node); } diff --git a/sound/firewire/dice/dice.c b/sound/firewire/dice/dice.c index 5d99436dfcae..0cda05c72f50 100644 --- a/sound/firewire/dice/dice.c +++ b/sound/firewire/dice/dice.c @@ -12,9 +12,11 @@ MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); MODULE_LICENSE("GPL v2"); #define OUI_WEISS 0x001c6a +#define OUI_LOUD 0x000ff2 #define DICE_CATEGORY_ID 0x04 #define WEISS_CATEGORY_ID 0x00 +#define LOUD_CATEGORY_ID 0x10 static int dice_interface_check(struct fw_unit *unit) { @@ -57,6 +59,8 @@ static int dice_interface_check(struct fw_unit *unit) } if (vendor == OUI_WEISS) category = WEISS_CATEGORY_ID; + else if (vendor == OUI_LOUD) + category = LOUD_CATEGORY_ID; else category = DICE_CATEGORY_ID; if (device->config_rom[3] != ((vendor << 8) | category) || diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 8a7fbdcb4072..963f82430938 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -312,6 +312,10 @@ enum { (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\ AZX_DCAPS_I915_POWERWELL) +#define AZX_DCAPS_INTEL_BROXTON \ + (AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG |\ + AZX_DCAPS_I915_POWERWELL) + /* quirks for ATI SB / AMD Hudson */ #define AZX_DCAPS_PRESET_ATI_SB \ (AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\ @@ -2124,6 +2128,9 @@ static const struct pci_device_id azx_ids[] = { /* Sunrise Point-LP */ { PCI_DEVICE(0x8086, 0x9d70), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, + /* Broxton-P(Apollolake) */ + { PCI_DEVICE(0x8086, 0x5a98), + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON }, /* Haswell */ { PCI_DEVICE(0x8086, 0x0a0c), .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL }, diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index c8b8ef5246a6..ef198903c0c3 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -955,6 +955,7 @@ static int patch_conexant_auto(struct hda_codec *codec) */ static const struct hda_device_id snd_hda_id_conexant[] = { + HDA_CODEC_ENTRY(0x14f12008, "CX8200", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f15045, "CX20549 (Venice)", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f15047, "CX20551 (Waikiki)", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f15051, "CX20561 (Hermosa)", patch_conexant_auto), @@ -972,9 +973,9 @@ static const struct hda_device_id snd_hda_id_conexant[] = { HDA_CODEC_ENTRY(0x14f150ac, "CX20652", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f150b8, "CX20664", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f150b9, "CX20665", patch_conexant_auto), - HDA_CODEC_ENTRY(0x14f150f1, "CX20721", patch_conexant_auto), + HDA_CODEC_ENTRY(0x14f150f1, "CX21722", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f150f2, "CX20722", patch_conexant_auto), - HDA_CODEC_ENTRY(0x14f150f3, "CX20723", patch_conexant_auto), + HDA_CODEC_ENTRY(0x14f150f3, "CX21724", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f150f4, "CX20724", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f1510f, "CX20751/2", patch_conexant_auto), HDA_CODEC_ENTRY(0x14f15110, "CX20751/2", patch_conexant_auto), diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 60cd9e700909..4b6fb668c91c 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -2352,6 +2352,12 @@ static void intel_pin_eld_notify(void *audio_ptr, int port) struct hda_codec *codec = audio_ptr; int pin_nid = port + 0x04; + /* skip notification during system suspend (but not in runtime PM); + * the state will be updated at resume + */ + if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0) + return; + check_presence_and_report(codec, pin_nid); } @@ -2378,7 +2384,8 @@ static int patch_generic_hdmi(struct hda_codec *codec) * can cover the codec power request, and so need not set this flag. * For previous platforms, there is no such power well feature. */ - if (is_valleyview_plus(codec) || is_skylake(codec)) + if (is_valleyview_plus(codec) || is_skylake(codec) || + is_broxton(codec)) codec->core.link_power_control = 1; if (is_haswell_plus(codec) || is_valleyview_plus(codec)) { diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 2f7b065f9ac4..9bedf7c85e29 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1759,6 +1759,7 @@ enum { ALC882_FIXUP_NO_PRIMARY_HP, ALC887_FIXUP_ASUS_BASS, ALC887_FIXUP_BASS_CHMAP, + ALC882_FIXUP_DISABLE_AAMIX, }; static void alc889_fixup_coef(struct hda_codec *codec, @@ -1920,6 +1921,8 @@ static void alc882_fixup_no_primary_hp(struct hda_codec *codec, static void alc_fixup_bass_chmap(struct hda_codec *codec, const struct hda_fixup *fix, int action); +static void alc_fixup_disable_aamix(struct hda_codec *codec, + const struct hda_fixup *fix, int action); static const struct hda_fixup alc882_fixups[] = { [ALC882_FIXUP_ABIT_AW9D_MAX] = { @@ -2151,6 +2154,10 @@ static const struct hda_fixup alc882_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_bass_chmap, }, + [ALC882_FIXUP_DISABLE_AAMIX] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_disable_aamix, + }, }; static const struct snd_pci_quirk alc882_fixup_tbl[] = { @@ -2218,6 +2225,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3), SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE), + SND_PCI_QUIRK(0x1458, 0xa182, "Gigabyte Z170X-UD3", ALC882_FIXUP_DISABLE_AAMIX), SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", ALC882_FIXUP_ABIT_AW9D_MAX), SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD), SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD), @@ -4587,6 +4595,7 @@ enum { ALC292_FIXUP_DISABLE_AAMIX, ALC298_FIXUP_DELL1_MIC_NO_PRESENCE, ALC275_FIXUP_DELL_XPS, + ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE, }; static const struct hda_fixup alc269_fixups[] = { @@ -5167,6 +5176,17 @@ static const struct hda_fixup alc269_fixups[] = { {} } }, + [ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + /* Disable pass-through path for FRONT 14h */ + {0x20, AC_VERB_SET_COEF_INDEX, 0x36}, + {0x20, AC_VERB_SET_PROC_COEF, 0x1737}, + {} + }, + .chained = true, + .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -5180,8 +5200,10 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK), SND_PCI_QUIRK(0x1025, 0x0775, "Acer Aspire E1-572", ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572), SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS), + SND_PCI_QUIRK(0x1025, 0x106d, "Acer Cloudbook 14", ALC283_FIXUP_CHROME_BOOK), SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), SND_PCI_QUIRK(0x1028, 0x054b, "Dell XPS one 2710", ALC275_FIXUP_DELL_XPS), + SND_PCI_QUIRK(0x1028, 0x05bd, "Dell Latitude E6440", ALC292_FIXUP_DELL_E7X), SND_PCI_QUIRK(0x1028, 0x05ca, "Dell Latitude E7240", ALC292_FIXUP_DELL_E7X), SND_PCI_QUIRK(0x1028, 0x05cb, "Dell Latitude E7440", ALC292_FIXUP_DELL_E7X), SND_PCI_QUIRK(0x1028, 0x05da, "Dell Vostro 5460", ALC290_FIXUP_SUBWOOFER), @@ -5204,6 +5226,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC292_FIXUP_DISABLE_AAMIX), SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC292_FIXUP_DISABLE_AAMIX), SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC292_FIXUP_DISABLE_AAMIX), + SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 826122d8acee..2c7c5eb8b1e9 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -3110,6 +3110,29 @@ static void stac92hd71bxx_fixup_hp_hdx(struct hda_codec *codec, spec->gpio_led = 0x08; } +static bool is_hp_output(struct hda_codec *codec, hda_nid_t pin) +{ + unsigned int pin_cfg = snd_hda_codec_get_pincfg(codec, pin); + + /* count line-out, too, as BIOS sets often so */ + return get_defcfg_connect(pin_cfg) != AC_JACK_PORT_NONE && + (get_defcfg_device(pin_cfg) == AC_JACK_LINE_OUT || + get_defcfg_device(pin_cfg) == AC_JACK_HP_OUT); +} + +static void fixup_hp_headphone(struct hda_codec *codec, hda_nid_t pin) +{ + unsigned int pin_cfg = snd_hda_codec_get_pincfg(codec, pin); + + /* It was changed in the BIOS to just satisfy MS DTM. + * Lets turn it back into slaved HP + */ + pin_cfg = (pin_cfg & (~AC_DEFCFG_DEVICE)) | + (AC_JACK_HP_OUT << AC_DEFCFG_DEVICE_SHIFT); + pin_cfg = (pin_cfg & (~(AC_DEFCFG_DEF_ASSOC | AC_DEFCFG_SEQUENCE))) | + 0x1f; + snd_hda_codec_set_pincfg(codec, pin, pin_cfg); +} static void stac92hd71bxx_fixup_hp(struct hda_codec *codec, const struct hda_fixup *fix, int action) @@ -3119,22 +3142,12 @@ static void stac92hd71bxx_fixup_hp(struct hda_codec *codec, if (action != HDA_FIXUP_ACT_PRE_PROBE) return; - if (hp_blike_system(codec->core.subsystem_id)) { - unsigned int pin_cfg = snd_hda_codec_get_pincfg(codec, 0x0f); - if (get_defcfg_device(pin_cfg) == AC_JACK_LINE_OUT || - get_defcfg_device(pin_cfg) == AC_JACK_SPEAKER || - get_defcfg_device(pin_cfg) == AC_JACK_HP_OUT) { - /* It was changed in the BIOS to just satisfy MS DTM. - * Lets turn it back into slaved HP - */ - pin_cfg = (pin_cfg & (~AC_DEFCFG_DEVICE)) - | (AC_JACK_HP_OUT << - AC_DEFCFG_DEVICE_SHIFT); - pin_cfg = (pin_cfg & (~(AC_DEFCFG_DEF_ASSOC - | AC_DEFCFG_SEQUENCE))) - | 0x1f; - snd_hda_codec_set_pincfg(codec, 0x0f, pin_cfg); - } + /* when both output A and F are assigned, these are supposedly + * dock and built-in headphones; fix both pin configs + */ + if (is_hp_output(codec, 0x0a) && is_hp_output(codec, 0x0f)) { + fixup_hp_headphone(codec, 0x0a); + fixup_hp_headphone(codec, 0x0f); } if (find_mute_led_cfg(codec, 1)) diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 9929efc6b9aa..b3ea24d64c50 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1023,24 +1023,18 @@ void arizona_init_dvfs(struct arizona_priv *priv) } EXPORT_SYMBOL_GPL(arizona_init_dvfs); -static unsigned int arizona_sysclk_48k_rates[] = { +static unsigned int arizona_opclk_ref_48k_rates[] = { 6144000, 12288000, 24576000, 49152000, - 73728000, - 98304000, - 147456000, }; -static unsigned int arizona_sysclk_44k1_rates[] = { +static unsigned int arizona_opclk_ref_44k1_rates[] = { 5644800, 11289600, 22579200, 45158400, - 67737600, - 90316800, - 135475200, }; static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, @@ -1065,11 +1059,11 @@ static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, } if (refclk % 8000) - rates = arizona_sysclk_44k1_rates; + rates = arizona_opclk_ref_44k1_rates; else - rates = arizona_sysclk_48k_rates; + rates = arizona_opclk_ref_48k_rates; - for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) && + for (ref = 0; ref < ARRAY_SIZE(arizona_opclk_ref_48k_rates) && rates[ref] <= refclk; ref++) { div = 1; while (rates[ref] / div >= freq && div < 32) { diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c index 969e337dc17c..84f5eb07a91b 100644 --- a/sound/soc/codecs/es8328.c +++ b/sound/soc/codecs/es8328.c @@ -205,18 +205,18 @@ static const struct snd_kcontrol_new es8328_right_line_controls = /* Left Mixer */ static const struct snd_kcontrol_new es8328_left_mixer_controls[] = { - SOC_DAPM_SINGLE("Playback Switch", ES8328_DACCONTROL17, 8, 1, 0), - SOC_DAPM_SINGLE("Left Bypass Switch", ES8328_DACCONTROL17, 7, 1, 0), - SOC_DAPM_SINGLE("Right Playback Switch", ES8328_DACCONTROL18, 8, 1, 0), - SOC_DAPM_SINGLE("Right Bypass Switch", ES8328_DACCONTROL18, 7, 1, 0), + SOC_DAPM_SINGLE("Playback Switch", ES8328_DACCONTROL17, 7, 1, 0), + SOC_DAPM_SINGLE("Left Bypass Switch", ES8328_DACCONTROL17, 6, 1, 0), + SOC_DAPM_SINGLE("Right Playback Switch", ES8328_DACCONTROL18, 7, 1, 0), + SOC_DAPM_SINGLE("Right Bypass Switch", ES8328_DACCONTROL18, 6, 1, 0), }; /* Right Mixer */ static const struct snd_kcontrol_new es8328_right_mixer_controls[] = { - SOC_DAPM_SINGLE("Left Playback Switch", ES8328_DACCONTROL19, 8, 1, 0), - SOC_DAPM_SINGLE("Left Bypass Switch", ES8328_DACCONTROL19, 7, 1, 0), - SOC_DAPM_SINGLE("Playback Switch", ES8328_DACCONTROL20, 8, 1, 0), - SOC_DAPM_SINGLE("Right Bypass Switch", ES8328_DACCONTROL20, 7, 1, 0), + SOC_DAPM_SINGLE("Left Playback Switch", ES8328_DACCONTROL19, 7, 1, 0), + SOC_DAPM_SINGLE("Left Bypass Switch", ES8328_DACCONTROL19, 6, 1, 0), + SOC_DAPM_SINGLE("Playback Switch", ES8328_DACCONTROL20, 7, 1, 0), + SOC_DAPM_SINGLE("Right Bypass Switch", ES8328_DACCONTROL20, 6, 1, 0), }; static const char * const es8328_pga_sel[] = { diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index 7fc7b4e3f444..c1b87c5800b1 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -1271,6 +1271,36 @@ static int nau8825_i2c_remove(struct i2c_client *client) return 0; } +#ifdef CONFIG_PM_SLEEP +static int nau8825_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct nau8825 *nau8825 = dev_get_drvdata(dev); + + disable_irq(client->irq); + regcache_cache_only(nau8825->regmap, true); + regcache_mark_dirty(nau8825->regmap); + + return 0; +} + +static int nau8825_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct nau8825 *nau8825 = dev_get_drvdata(dev); + + regcache_cache_only(nau8825->regmap, false); + regcache_sync(nau8825->regmap); + enable_irq(client->irq); + + return 0; +} +#endif + +static const struct dev_pm_ops nau8825_pm = { + SET_SYSTEM_SLEEP_PM_OPS(nau8825_suspend, nau8825_resume) +}; + static const struct i2c_device_id nau8825_i2c_ids[] = { { "nau8825", 0 }, { } @@ -1297,6 +1327,7 @@ static struct i2c_driver nau8825_driver = { .name = "nau8825", .of_match_table = of_match_ptr(nau8825_of_ids), .acpi_match_table = ACPI_PTR(nau8825_acpi_match), + .pm = &nau8825_pm, }, .probe = nau8825_i2c_probe, .remove = nau8825_i2c_remove, diff --git a/sound/soc/codecs/rl6231.c b/sound/soc/codecs/rl6231.c index aca479fa7670..1dc68ab08a17 100644 --- a/sound/soc/codecs/rl6231.c +++ b/sound/soc/codecs/rl6231.c @@ -80,8 +80,10 @@ int rl6231_calc_dmic_clk(int rate) } for (i = 0; i < ARRAY_SIZE(div); i++) { - /* find divider that gives DMIC frequency below 3MHz */ - if (3000000 * div[i] >= rate) + if ((div[i] % 3) == 0) + continue; + /* find divider that gives DMIC frequency below 3.072MHz */ + if (3072000 * div[i] >= rate) return i; } diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 28132375e427..ef76940f9dcb 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -245,7 +245,7 @@ struct rt5645_priv { struct snd_soc_jack *hp_jack; struct snd_soc_jack *mic_jack; struct snd_soc_jack *btn_jack; - struct delayed_work jack_detect_work; + struct delayed_work jack_detect_work, rcclock_work; struct regulator_bulk_data supplies[ARRAY_SIZE(rt5645_supply_names)]; struct rt5645_eq_param_s *eq_param; @@ -565,12 +565,33 @@ static int rt5645_hweq_put(struct snd_kcontrol *kcontrol, .put = rt5645_hweq_put \ } +static int rt5645_spk_put_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); + struct rt5645_priv *rt5645 = snd_soc_component_get_drvdata(component); + int ret; + + cancel_delayed_work_sync(&rt5645->rcclock_work); + + regmap_update_bits(rt5645->regmap, RT5645_MICBIAS, + RT5645_PWR_CLK25M_MASK, RT5645_PWR_CLK25M_PU); + + ret = snd_soc_put_volsw(kcontrol, ucontrol); + + queue_delayed_work(system_power_efficient_wq, &rt5645->rcclock_work, + msecs_to_jiffies(200)); + + return ret; +} + static const struct snd_kcontrol_new rt5645_snd_controls[] = { /* Speaker Output Volume */ SOC_DOUBLE("Speaker Channel Switch", RT5645_SPK_VOL, RT5645_VOL_L_SFT, RT5645_VOL_R_SFT, 1, 1), - SOC_DOUBLE_TLV("Speaker Playback Volume", RT5645_SPK_VOL, - RT5645_L_VOL_SFT, RT5645_R_VOL_SFT, 39, 1, out_vol_tlv), + SOC_DOUBLE_EXT_TLV("Speaker Playback Volume", RT5645_SPK_VOL, + RT5645_L_VOL_SFT, RT5645_R_VOL_SFT, 39, 1, snd_soc_get_volsw, + rt5645_spk_put_volsw, out_vol_tlv), /* ClassD modulator Speaker Gain Ratio */ SOC_SINGLE_TLV("Speaker ClassD Playback Volume", RT5645_SPO_CLSD_RATIO, @@ -1498,7 +1519,7 @@ static void hp_amp_power(struct snd_soc_codec *codec, int on) regmap_write(rt5645->regmap, RT5645_PR_BASE + RT5645_MAMP_INT_REG2, 0xfc00); snd_soc_write(codec, RT5645_DEPOP_M2, 0x1140); - msleep(40); + msleep(70); rt5645->hp_on = true; } else { /* depop parameters */ @@ -3122,6 +3143,15 @@ static void rt5645_jack_detect_work(struct work_struct *work) SND_JACK_BTN_2 | SND_JACK_BTN_3); } +static void rt5645_rcclock_work(struct work_struct *work) +{ + struct rt5645_priv *rt5645 = + container_of(work, struct rt5645_priv, rcclock_work.work); + + regmap_update_bits(rt5645->regmap, RT5645_MICBIAS, + RT5645_PWR_CLK25M_MASK, RT5645_PWR_CLK25M_PD); +} + static irqreturn_t rt5645_irq(int irq, void *data) { struct rt5645_priv *rt5645 = data; @@ -3348,6 +3378,27 @@ static const struct dmi_system_id dmi_platform_intel_braswell[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Reks"), }, }, + { + .ident = "Google Edgar", + .callback = strago_quirk_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "Edgar"), + }, + }, + { + .ident = "Google Wizpig", + .callback = strago_quirk_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "Wizpig"), + }, + }, + { + .ident = "Google Terra", + .callback = strago_quirk_cb, + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "Terra"), + }, + }, { } }; @@ -3587,6 +3638,7 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, } INIT_DELAYED_WORK(&rt5645->jack_detect_work, rt5645_jack_detect_work); + INIT_DELAYED_WORK(&rt5645->rcclock_work, rt5645_rcclock_work); if (rt5645->i2c->irq) { ret = request_threaded_irq(rt5645->i2c->irq, NULL, rt5645_irq, @@ -3621,6 +3673,7 @@ static int rt5645_i2c_remove(struct i2c_client *i2c) free_irq(i2c->irq, rt5645); cancel_delayed_work_sync(&rt5645->jack_detect_work); + cancel_delayed_work_sync(&rt5645->rcclock_work); snd_soc_unregister_codec(&i2c->dev); regulator_bulk_disable(ARRAY_SIZE(rt5645->supplies), rt5645->supplies); diff --git a/sound/soc/codecs/rt5670.h b/sound/soc/codecs/rt5670.h index dc2b46236c5c..3f1b0f1df809 100644 --- a/sound/soc/codecs/rt5670.h +++ b/sound/soc/codecs/rt5670.h @@ -973,12 +973,12 @@ #define RT5670_SCLK_SRC_MCLK (0x0 << 14) #define RT5670_SCLK_SRC_PLL1 (0x1 << 14) #define RT5670_SCLK_SRC_RCCLK (0x2 << 14) /* 15MHz */ -#define RT5670_PLL1_SRC_MASK (0x3 << 12) -#define RT5670_PLL1_SRC_SFT 12 -#define RT5670_PLL1_SRC_MCLK (0x0 << 12) -#define RT5670_PLL1_SRC_BCLK1 (0x1 << 12) -#define RT5670_PLL1_SRC_BCLK2 (0x2 << 12) -#define RT5670_PLL1_SRC_BCLK3 (0x3 << 12) +#define RT5670_PLL1_SRC_MASK (0x7 << 11) +#define RT5670_PLL1_SRC_SFT 11 +#define RT5670_PLL1_SRC_MCLK (0x0 << 11) +#define RT5670_PLL1_SRC_BCLK1 (0x1 << 11) +#define RT5670_PLL1_SRC_BCLK2 (0x2 << 11) +#define RT5670_PLL1_SRC_BCLK3 (0x3 << 11) #define RT5670_PLL1_PD_MASK (0x1 << 3) #define RT5670_PLL1_PD_SFT 3 #define RT5670_PLL1_PD_1 (0x0 << 3) diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index b4cd7e3bf5f8..69d987a9935c 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -1386,90 +1386,90 @@ static const struct snd_kcontrol_new rt5677_dac_r_mix[] = { }; static const struct snd_kcontrol_new rt5677_sto1_dac_l_mix[] = { - SOC_DAPM_SINGLE("ST L Switch", RT5677_STO1_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("ST L Switch", RT5677_STO1_DAC_MIXER, RT5677_M_ST_DAC1_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC1 L Switch", RT5677_STO1_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC1 L Switch", RT5677_STO1_DAC_MIXER, RT5677_M_DAC1_L_STO_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC2 L Switch", RT5677_STO1_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC2 L Switch", RT5677_STO1_DAC_MIXER, RT5677_M_DAC2_L_STO_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC1 R Switch", RT5677_STO1_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC1 R Switch", RT5677_STO1_DAC_MIXER, RT5677_M_DAC1_R_STO_L_SFT, 1, 1), }; static const struct snd_kcontrol_new rt5677_sto1_dac_r_mix[] = { - SOC_DAPM_SINGLE("ST R Switch", RT5677_STO1_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("ST R Switch", RT5677_STO1_DAC_MIXER, RT5677_M_ST_DAC1_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC1 R Switch", RT5677_STO1_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC1 R Switch", RT5677_STO1_DAC_MIXER, RT5677_M_DAC1_R_STO_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC2 R Switch", RT5677_STO1_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC2 R Switch", RT5677_STO1_DAC_MIXER, RT5677_M_DAC2_R_STO_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC1 L Switch", RT5677_STO1_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC1 L Switch", RT5677_STO1_DAC_MIXER, RT5677_M_DAC1_L_STO_R_SFT, 1, 1), }; static const struct snd_kcontrol_new rt5677_mono_dac_l_mix[] = { - SOC_DAPM_SINGLE("ST L Switch", RT5677_MONO_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("ST L Switch", RT5677_MONO_DAC_MIXER, RT5677_M_ST_DAC2_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC1 L Switch", RT5677_MONO_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC1 L Switch", RT5677_MONO_DAC_MIXER, RT5677_M_DAC1_L_MONO_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC2 L Switch", RT5677_MONO_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC2 L Switch", RT5677_MONO_DAC_MIXER, RT5677_M_DAC2_L_MONO_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC2 R Switch", RT5677_MONO_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC2 R Switch", RT5677_MONO_DAC_MIXER, RT5677_M_DAC2_R_MONO_L_SFT, 1, 1), }; static const struct snd_kcontrol_new rt5677_mono_dac_r_mix[] = { - SOC_DAPM_SINGLE("ST R Switch", RT5677_MONO_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("ST R Switch", RT5677_MONO_DAC_MIXER, RT5677_M_ST_DAC2_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC1 R Switch", RT5677_MONO_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC1 R Switch", RT5677_MONO_DAC_MIXER, RT5677_M_DAC1_R_MONO_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC2 R Switch", RT5677_MONO_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC2 R Switch", RT5677_MONO_DAC_MIXER, RT5677_M_DAC2_R_MONO_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC2 L Switch", RT5677_MONO_DAC_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC2 L Switch", RT5677_MONO_DAC_MIXER, RT5677_M_DAC2_L_MONO_R_SFT, 1, 1), }; static const struct snd_kcontrol_new rt5677_dd1_l_mix[] = { - SOC_DAPM_SINGLE("Sto DAC Mix L Switch", RT5677_DD1_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("Sto DAC Mix L Switch", RT5677_DD1_MIXER, RT5677_M_STO_L_DD1_L_SFT, 1, 1), - SOC_DAPM_SINGLE("Mono DAC Mix L Switch", RT5677_DD1_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("Mono DAC Mix L Switch", RT5677_DD1_MIXER, RT5677_M_MONO_L_DD1_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC3 L Switch", RT5677_DD1_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC3 L Switch", RT5677_DD1_MIXER, RT5677_M_DAC3_L_DD1_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC3 R Switch", RT5677_DD1_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC3 R Switch", RT5677_DD1_MIXER, RT5677_M_DAC3_R_DD1_L_SFT, 1, 1), }; static const struct snd_kcontrol_new rt5677_dd1_r_mix[] = { - SOC_DAPM_SINGLE("Sto DAC Mix R Switch", RT5677_DD1_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("Sto DAC Mix R Switch", RT5677_DD1_MIXER, RT5677_M_STO_R_DD1_R_SFT, 1, 1), - SOC_DAPM_SINGLE("Mono DAC Mix R Switch", RT5677_DD1_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("Mono DAC Mix R Switch", RT5677_DD1_MIXER, RT5677_M_MONO_R_DD1_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC3 R Switch", RT5677_DD1_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC3 R Switch", RT5677_DD1_MIXER, RT5677_M_DAC3_R_DD1_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC3 L Switch", RT5677_DD1_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC3 L Switch", RT5677_DD1_MIXER, RT5677_M_DAC3_L_DD1_R_SFT, 1, 1), }; static const struct snd_kcontrol_new rt5677_dd2_l_mix[] = { - SOC_DAPM_SINGLE("Sto DAC Mix L Switch", RT5677_DD2_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("Sto DAC Mix L Switch", RT5677_DD2_MIXER, RT5677_M_STO_L_DD2_L_SFT, 1, 1), - SOC_DAPM_SINGLE("Mono DAC Mix L Switch", RT5677_DD2_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("Mono DAC Mix L Switch", RT5677_DD2_MIXER, RT5677_M_MONO_L_DD2_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC4 L Switch", RT5677_DD2_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC4 L Switch", RT5677_DD2_MIXER, RT5677_M_DAC4_L_DD2_L_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC4 R Switch", RT5677_DD2_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC4 R Switch", RT5677_DD2_MIXER, RT5677_M_DAC4_R_DD2_L_SFT, 1, 1), }; static const struct snd_kcontrol_new rt5677_dd2_r_mix[] = { - SOC_DAPM_SINGLE("Sto DAC Mix R Switch", RT5677_DD2_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("Sto DAC Mix R Switch", RT5677_DD2_MIXER, RT5677_M_STO_R_DD2_R_SFT, 1, 1), - SOC_DAPM_SINGLE("Mono DAC Mix R Switch", RT5677_DD2_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("Mono DAC Mix R Switch", RT5677_DD2_MIXER, RT5677_M_MONO_R_DD2_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC4 R Switch", RT5677_DD2_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC4 R Switch", RT5677_DD2_MIXER, RT5677_M_DAC4_R_DD2_R_SFT, 1, 1), - SOC_DAPM_SINGLE("DAC4 L Switch", RT5677_DD2_MIXER, + SOC_DAPM_SINGLE_AUTODISABLE("DAC4 L Switch", RT5677_DD2_MIXER, RT5677_M_DAC4_L_DD2_R_SFT, 1, 1), }; @@ -2596,6 +2596,21 @@ static int rt5677_vref_event(struct snd_soc_dapm_widget *w, return 0; } +static int rt5677_filter_power_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + switch (event) { + case SND_SOC_DAPM_POST_PMU: + msleep(50); + break; + + default: + return 0; + } + + return 0; +} + static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("PLL1", RT5677_PWR_ANLG2, RT5677_PWR_PLL1_BIT, 0, rt5677_set_pll1_event, SND_SOC_DAPM_PRE_PMU | @@ -3072,19 +3087,26 @@ static const struct snd_soc_dapm_widget rt5677_dapm_widgets[] = { /* DAC Mixer */ SND_SOC_DAPM_SUPPLY("dac stereo1 filter", RT5677_PWR_DIG2, - RT5677_PWR_DAC_S1F_BIT, 0, NULL, 0), + RT5677_PWR_DAC_S1F_BIT, 0, rt5677_filter_power_event, + SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("dac mono2 left filter", RT5677_PWR_DIG2, - RT5677_PWR_DAC_M2F_L_BIT, 0, NULL, 0), + RT5677_PWR_DAC_M2F_L_BIT, 0, rt5677_filter_power_event, + SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("dac mono2 right filter", RT5677_PWR_DIG2, - RT5677_PWR_DAC_M2F_R_BIT, 0, NULL, 0), + RT5677_PWR_DAC_M2F_R_BIT, 0, rt5677_filter_power_event, + SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("dac mono3 left filter", RT5677_PWR_DIG2, - RT5677_PWR_DAC_M3F_L_BIT, 0, NULL, 0), + RT5677_PWR_DAC_M3F_L_BIT, 0, rt5677_filter_power_event, + SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("dac mono3 right filter", RT5677_PWR_DIG2, - RT5677_PWR_DAC_M3F_R_BIT, 0, NULL, 0), + RT5677_PWR_DAC_M3F_R_BIT, 0, rt5677_filter_power_event, + SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("dac mono4 left filter", RT5677_PWR_DIG2, - RT5677_PWR_DAC_M4F_L_BIT, 0, NULL, 0), + RT5677_PWR_DAC_M4F_L_BIT, 0, rt5677_filter_power_event, + SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("dac mono4 right filter", RT5677_PWR_DIG2, - RT5677_PWR_DAC_M4F_R_BIT, 0, NULL, 0), + RT5677_PWR_DAC_M4F_R_BIT, 0, rt5677_filter_power_event, + SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_MIXER("Stereo DAC MIXL", SND_SOC_NOPM, 0, 0, rt5677_sto1_dac_l_mix, ARRAY_SIZE(rt5677_sto1_dac_l_mix)), diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index 056375339ea3..5380798883b5 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -229,7 +229,7 @@ SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL, SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL, 6, 1, 0), SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL, - 7, 1, 0), + 7, 1, 1), SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume", WM8960_INBMIX1, 4, 7, 0, lineinboost_tlv), diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 39ebd7bf4f53..a7e79784fc16 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -365,8 +365,8 @@ static const struct reg_default wm8962_reg[] = { { 16924, 0x0059 }, /* R16924 - HDBASS_PG_1 */ { 16925, 0x999A }, /* R16925 - HDBASS_PG_0 */ - { 17048, 0x0083 }, /* R17408 - HPF_C_1 */ - { 17049, 0x98AD }, /* R17409 - HPF_C_0 */ + { 17408, 0x0083 }, /* R17408 - HPF_C_1 */ + { 17409, 0x98AD }, /* R17409 - HPF_C_0 */ { 17920, 0x007F }, /* R17920 - ADCL_RETUNE_C1_1 */ { 17921, 0xFFFF }, /* R17921 - ADCL_RETUNE_C1_0 */ diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index 4495a40a9468..c1c9c2e3525b 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -681,8 +681,8 @@ static int davinci_mcasp_set_tdm_slot(struct snd_soc_dai *dai, } mcasp->tdm_slots = slots; - mcasp->tdm_mask[SNDRV_PCM_STREAM_PLAYBACK] = rx_mask; - mcasp->tdm_mask[SNDRV_PCM_STREAM_CAPTURE] = tx_mask; + mcasp->tdm_mask[SNDRV_PCM_STREAM_PLAYBACK] = tx_mask; + mcasp->tdm_mask[SNDRV_PCM_STREAM_CAPTURE] = rx_mask; mcasp->slot_width = slot_width; return davinci_mcasp_set_ch_constraints(mcasp); @@ -908,6 +908,14 @@ static int mcasp_i2s_hw_param(struct davinci_mcasp *mcasp, int stream, mcasp_set_bits(mcasp, DAVINCI_MCASP_RXFMT_REG, busel | RXORD); mcasp_mod_bits(mcasp, DAVINCI_MCASP_RXFMCTL_REG, FSRMOD(total_slots), FSRMOD(0x1FF)); + /* + * If McASP is set to be TX/RX synchronous and the playback is + * not running already we need to configure the TX slots in + * order to have correct FSX on the bus + */ + if (mcasp_is_synchronous(mcasp) && !mcasp->channels) + mcasp_mod_bits(mcasp, DAVINCI_MCASP_TXFMCTL_REG, + FSXMOD(total_slots), FSXMOD(0x1FF)); } return 0; diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 19c302b0d763..14dfdee05fd5 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -283,6 +283,8 @@ config SND_SOC_IMX_MC13783 config SND_SOC_FSL_ASOC_CARD tristate "Generic ASoC Sound Card with ASRC support" depends on OF && I2C + # enforce SND_SOC_FSL_ASOC_CARD=m if SND_AC97_CODEC=m: + depends on SND_AC97_CODEC || SND_AC97_CODEC=n select SND_SOC_IMX_AUDMUX select SND_SOC_IMX_PCM_DMA select SND_SOC_FSL_ESAI diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index a4435f5e3be9..ffd5f9acc849 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -454,7 +454,8 @@ static int fsl_sai_trigger(struct snd_pcm_substream *substream, int cmd, * Rx sync with Tx clocks: Clear SYNC for Tx, set it for Rx. * Tx sync with Rx clocks: Clear SYNC for Rx, set it for Tx. */ - regmap_update_bits(sai->regmap, FSL_SAI_TCR2, FSL_SAI_CR2_SYNC, 0); + regmap_update_bits(sai->regmap, FSL_SAI_TCR2, FSL_SAI_CR2_SYNC, + sai->synchronous[TX] ? FSL_SAI_CR2_SYNC : 0); regmap_update_bits(sai->regmap, FSL_SAI_RCR2, FSL_SAI_CR2_SYNC, sai->synchronous[RX] ? FSL_SAI_CR2_SYNC : 0); diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index 7b778ab85f8b..d430ef5a4f38 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -144,7 +144,7 @@ config SND_SOC_INTEL_SKYLAKE config SND_SOC_INTEL_SKL_RT286_MACH tristate "ASoC Audio driver for SKL with RT286 I2S mode" - depends on X86 && ACPI + depends on X86 && ACPI && I2C select SND_SOC_INTEL_SST select SND_SOC_INTEL_SKYLAKE select SND_SOC_RT286 diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index a7854c8fc523..ffea427aeca8 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -1240,6 +1240,7 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus) */ ret = snd_soc_tplg_component_load(&platform->component, &skl_tplg_ops, fw, 0); + release_firmware(fw); if (ret < 0) { dev_err(bus->dev, "tplg component load failed%d\n", ret); return -EINVAL; diff --git a/sound/soc/rockchip/rockchip_spdif.c b/sound/soc/rockchip/rockchip_spdif.c index a38a3029062c..ac72ff5055bb 100644 --- a/sound/soc/rockchip/rockchip_spdif.c +++ b/sound/soc/rockchip/rockchip_spdif.c @@ -280,7 +280,7 @@ static int rk_spdif_probe(struct platform_device *pdev) int ret; match = of_match_node(rk_spdif_match, np); - if ((int) match->data == RK_SPDIF_RK3288) { + if (match->data == (void *)RK_SPDIF_RK3288) { struct regmap *grf; grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); diff --git a/sound/soc/rockchip/rockchip_spdif.h b/sound/soc/rockchip/rockchip_spdif.h index 07f86a21046a..921b4095fb92 100644 --- a/sound/soc/rockchip/rockchip_spdif.h +++ b/sound/soc/rockchip/rockchip_spdif.h @@ -28,9 +28,9 @@ #define SPDIF_CFGR_VDW(x) (x << SPDIF_CFGR_VDW_SHIFT) #define SDPIF_CFGR_VDW_MASK (0xf << SPDIF_CFGR_VDW_SHIFT) -#define SPDIF_CFGR_VDW_16 SPDIF_CFGR_VDW(0x00) -#define SPDIF_CFGR_VDW_20 SPDIF_CFGR_VDW(0x01) -#define SPDIF_CFGR_VDW_24 SPDIF_CFGR_VDW(0x10) +#define SPDIF_CFGR_VDW_16 SPDIF_CFGR_VDW(0x0) +#define SPDIF_CFGR_VDW_20 SPDIF_CFGR_VDW(0x1) +#define SPDIF_CFGR_VDW_24 SPDIF_CFGR_VDW(0x2) /* * DMACR diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c index 76da7620904c..edcf4cc2e84f 100644 --- a/sound/soc/sh/rcar/gen.c +++ b/sound/soc/sh/rcar/gen.c @@ -235,7 +235,7 @@ static int rsnd_gen2_probe(struct platform_device *pdev, RSND_GEN_S_REG(SCU_SYS_STATUS0, 0x1c8), RSND_GEN_S_REG(SCU_SYS_INT_EN0, 0x1cc), RSND_GEN_S_REG(SCU_SYS_STATUS1, 0x1d0), - RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1c4), + RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1d4), RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40), RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40), RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40), diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index 261b50217c48..68b439ed22d7 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -923,6 +923,7 @@ static int rsnd_src_pcm_new_gen2(struct rsnd_mod *mod, struct snd_soc_pcm_runtime *rtd) { struct rsnd_dai *rdai = rsnd_io_to_rdai(io); + struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io); struct rsnd_src *src = rsnd_mod_to_src(mod); int ret; @@ -937,6 +938,12 @@ static int rsnd_src_pcm_new_gen2(struct rsnd_mod *mod, return 0; /* + * SRC In doesn't work if DVC was enabled + */ + if (dvc && !rsnd_io_is_play(io)) + return 0; + + /* * enable sync convert */ ret = rsnd_kctrl_new_s(mod, io, rtd, diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 24b096066a07..a1305f827a98 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -795,12 +795,12 @@ static void soc_resume_deferred(struct work_struct *work) dev_dbg(card->dev, "ASoC: resume work completed\n"); - /* userspace can access us now we are back as we were before */ - snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); - /* Recheck all endpoints too, their state is affected by suspend */ dapm_mark_endpoints_dirty(card); snd_soc_dapm_sync(&card->dapm); + + /* userspace can access us now we are back as we were before */ + snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); } /* powers up audio subsystem after a suspend */ diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 016eba10b1ec..7d009428934a 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2293,6 +2293,12 @@ void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w) kfree(w); } +void snd_soc_dapm_reset_cache(struct snd_soc_dapm_context *dapm) +{ + dapm->path_sink_cache.widget = NULL; + dapm->path_source_cache.widget = NULL; +} + /* free all dapm widgets and resources */ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm) { @@ -2303,6 +2309,7 @@ static void dapm_free_widgets(struct snd_soc_dapm_context *dapm) continue; snd_soc_dapm_free_widget(w); } + snd_soc_dapm_reset_cache(dapm); } static struct snd_soc_dapm_widget *dapm_find_widget( diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index ecd38e52285a..2f67ba6d7a8f 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -404,7 +404,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); /** * snd_soc_put_volsw_sx - double mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a double mixer control that spans 2 registers. * diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 8d7ec80af51b..6963ba20991c 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -531,7 +531,7 @@ static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, /* TLV bytes controls need standard kcontrol info handler, * TLV callback and extended put/get handlers. */ - k->info = snd_soc_bytes_info; + k->info = snd_soc_bytes_info_ext; k->tlv.c = snd_soc_bytes_tlv_callback; ext_ops = tplg->bytes_ext_ops; @@ -1805,6 +1805,7 @@ void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm, snd_soc_tplg_widget_remove(w); snd_soc_dapm_free_widget(w); } + snd_soc_dapm_reset_cache(dapm); } EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all); diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index 843f037a317d..5c2bc53f0a9b 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -669,6 +669,7 @@ static int uni_player_startup(struct snd_pcm_substream *substream, { struct sti_uniperiph_data *priv = snd_soc_dai_get_drvdata(dai); struct uniperif *player = priv->dai_data.uni; + player->substream = substream; player->clk_adj = 0; @@ -950,6 +951,8 @@ static void uni_player_shutdown(struct snd_pcm_substream *substream, if (player->state != UNIPERIF_STATE_STOPPED) /* Stop the player */ uni_player_stop(player); + + player->substream = NULL; } static int uni_player_parse_dt_clk_glue(struct platform_device *pdev, @@ -989,7 +992,7 @@ static int uni_player_parse_dt(struct platform_device *pdev, if (!info) return -ENOMEM; - if (of_property_read_u32(pnode, "version", &player->ver) || + if (of_property_read_u32(pnode, "st,version", &player->ver) || player->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) { dev_err(dev, "Unknown uniperipheral version "); return -EINVAL; @@ -998,13 +1001,13 @@ static int uni_player_parse_dt(struct platform_device *pdev, if (player->ver >= SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0) info->underflow_enabled = 1; - if (of_property_read_u32(pnode, "uniperiph-id", &info->id)) { + if (of_property_read_u32(pnode, "st,uniperiph-id", &info->id)) { dev_err(dev, "uniperipheral id not defined"); return -EINVAL; } /* Read the device mode property */ - if (of_property_read_string(pnode, "mode", &mode)) { + if (of_property_read_string(pnode, "st,mode", &mode)) { dev_err(dev, "uniperipheral mode not defined"); return -EINVAL; } diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index f791239a3087..8a0eb2050169 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -316,7 +316,7 @@ static int uni_reader_parse_dt(struct platform_device *pdev, if (!info) return -ENOMEM; - if (of_property_read_u32(node, "version", &reader->ver) || + if (of_property_read_u32(node, "st,version", &reader->ver) || reader->ver == SND_ST_UNIPERIF_VERSION_UNKNOWN) { dev_err(&pdev->dev, "Unknown uniperipheral version "); return -EINVAL; @@ -346,7 +346,6 @@ int uni_reader_init(struct platform_device *pdev, reader->hw = &uni_reader_pcm_hw; reader->dai_ops = &uni_reader_dai_ops; - dev_err(reader->dev, "%s: enter\n", __func__); ret = uni_reader_parse_dt(pdev, reader); if (ret < 0) { dev_err(reader->dev, "Failed to parse DeviceTree"); diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index bcbf4da168b6..1bb896d78d09 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -2,6 +2,7 @@ * Copyright 2014 Emilio López <emilio@elopez.com.ar> * Copyright 2014 Jon Smirl <jonsmirl@gmail.com> * Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com> + * Copyright 2015 Adam Sampson <ats@offog.org> * * Based on the Allwinner SDK driver, released under the GPL. * @@ -404,7 +405,7 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute = static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1); static const struct snd_kcontrol_new sun4i_codec_widgets[] = { - SOC_SINGLE_TLV("PA Volume", SUN4I_CODEC_DAC_ACTL, + SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0, sun4i_codec_pa_volume_scale), }; @@ -452,12 +453,12 @@ static const struct snd_soc_dapm_widget sun4i_codec_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0), - /* Pre-Amplifier */ - SND_SOC_DAPM_MIXER("Pre-Amplifier", SUN4I_CODEC_ADC_ACTL, + /* Power Amplifier */ + SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL, SUN4I_CODEC_ADC_ACTL_PA_EN, 0, sun4i_codec_pa_mixer_controls, ARRAY_SIZE(sun4i_codec_pa_mixer_controls)), - SND_SOC_DAPM_SWITCH("Pre-Amplifier Mute", SND_SOC_NOPM, 0, 0, + SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0, &sun4i_codec_pa_mute), SND_SOC_DAPM_OUTPUT("HP Right"), @@ -480,16 +481,16 @@ static const struct snd_soc_dapm_route sun4i_codec_dapm_routes[] = { { "Left Mixer", NULL, "Mixer Enable" }, { "Left Mixer", "Left DAC Playback Switch", "Left DAC" }, - /* Pre-Amplifier Mixer Routes */ - { "Pre-Amplifier", "Mixer Playback Switch", "Left Mixer" }, - { "Pre-Amplifier", "Mixer Playback Switch", "Right Mixer" }, - { "Pre-Amplifier", "DAC Playback Switch", "Left DAC" }, - { "Pre-Amplifier", "DAC Playback Switch", "Right DAC" }, + /* Power Amplifier Routes */ + { "Power Amplifier", "Mixer Playback Switch", "Left Mixer" }, + { "Power Amplifier", "Mixer Playback Switch", "Right Mixer" }, + { "Power Amplifier", "DAC Playback Switch", "Left DAC" }, + { "Power Amplifier", "DAC Playback Switch", "Right DAC" }, - /* PA -> HP path */ - { "Pre-Amplifier Mute", "Switch", "Pre-Amplifier" }, - { "HP Right", NULL, "Pre-Amplifier Mute" }, - { "HP Left", NULL, "Pre-Amplifier Mute" }, + /* Headphone Output Routes */ + { "Power Amplifier Mute", "Switch", "Power Amplifier" }, + { "HP Right", NULL, "Power Amplifier Mute" }, + { "HP Left", NULL, "Power Amplifier Mute" }, }; static struct snd_soc_codec_driver sun4i_codec_codec = { diff --git a/sound/usb/midi.c b/sound/usb/midi.c index 7661616f3636..5b4c58c3e2c5 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -174,6 +174,8 @@ struct snd_usb_midi_in_endpoint { u8 running_status_length; } ports[0x10]; u8 seen_f5; + bool in_sysex; + u8 last_cin; u8 error_resubmit; int current_port; }; @@ -468,6 +470,39 @@ static void snd_usbmidi_maudio_broken_running_status_input( } /* + * QinHeng CH345 is buggy: every second packet inside a SysEx has not CIN 4 + * but the previously seen CIN, but still with three data bytes. + */ +static void ch345_broken_sysex_input(struct snd_usb_midi_in_endpoint *ep, + uint8_t *buffer, int buffer_length) +{ + unsigned int i, cin, length; + + for (i = 0; i + 3 < buffer_length; i += 4) { + if (buffer[i] == 0 && i > 0) + break; + cin = buffer[i] & 0x0f; + if (ep->in_sysex && + cin == ep->last_cin && + (buffer[i + 1 + (cin == 0x6)] & 0x80) == 0) + cin = 0x4; +#if 0 + if (buffer[i + 1] == 0x90) { + /* + * Either a corrupted running status or a real note-on + * message; impossible to detect reliably. + */ + } +#endif + length = snd_usbmidi_cin_length[cin]; + snd_usbmidi_input_data(ep, 0, &buffer[i + 1], length); + ep->in_sysex = cin == 0x4; + if (!ep->in_sysex) + ep->last_cin = cin; + } +} + +/* * CME protocol: like the standard protocol, but SysEx commands are sent as a * single USB packet preceded by a 0x0F byte. */ @@ -660,6 +695,12 @@ static struct usb_protocol_ops snd_usbmidi_cme_ops = { .output_packet = snd_usbmidi_output_standard_packet, }; +static struct usb_protocol_ops snd_usbmidi_ch345_broken_sysex_ops = { + .input = ch345_broken_sysex_input, + .output = snd_usbmidi_standard_output, + .output_packet = snd_usbmidi_output_standard_packet, +}; + /* * AKAI MPD16 protocol: * @@ -1341,6 +1382,7 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi *umidi, * Various chips declare a packet size larger than 4 bytes, but * do not actually work with larger packets: */ + case USB_ID(0x0a67, 0x5011): /* Medeli DD305 */ case USB_ID(0x0a92, 0x1020): /* ESI M4U */ case USB_ID(0x1430, 0x474b): /* RedOctane GH MIDI INTERFACE */ case USB_ID(0x15ca, 0x0101): /* Textech USB Midi Cable */ @@ -2378,6 +2420,10 @@ int snd_usbmidi_create(struct snd_card *card, err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints); break; + case QUIRK_MIDI_CH345: + umidi->usb_protocol_ops = &snd_usbmidi_ch345_broken_sysex_ops; + err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints); + break; default: dev_err(&umidi->dev->dev, "invalid quirk type %d\n", quirk->type); diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 1a1e2e4df35e..c60a776e815d 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2829,6 +2829,17 @@ YAMAHA_DEVICE(0x7010, "UB99"), .idProduct = 0x1020, }, +/* QinHeng devices */ +{ + USB_DEVICE(0x1a86, 0x752d), + .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { + .vendor_name = "QinHeng", + .product_name = "CH345", + .ifnum = 1, + .type = QUIRK_MIDI_CH345 + } +}, + /* KeithMcMillen Stringport */ { USB_DEVICE(0x1f38, 0x0001), diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 5ca80e7d30cd..7016ad898187 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -538,6 +538,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip, [QUIRK_MIDI_CME] = create_any_midi_quirk, [QUIRK_MIDI_AKAI] = create_any_midi_quirk, [QUIRK_MIDI_FTDI] = create_any_midi_quirk, + [QUIRK_MIDI_CH345] = create_any_midi_quirk, [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 15a12715bd05..b665d85555cb 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -95,6 +95,7 @@ enum quirk_type { QUIRK_MIDI_AKAI, QUIRK_MIDI_US122L, QUIRK_MIDI_FTDI, + QUIRK_MIDI_CH345, QUIRK_AUDIO_STANDARD_INTERFACE, QUIRK_AUDIO_FIXED_ENDPOINT, QUIRK_AUDIO_EDIROL_UAXX, diff --git a/tools/Makefile b/tools/Makefile index d6f307dfb1a3..7dc820a8c1f1 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -32,6 +32,10 @@ help: @echo ' from the kernel command line to build and install one of' @echo ' the tools above' @echo '' + @echo ' $$ make tools/all' + @echo '' + @echo ' builds all tools.' + @echo '' @echo ' $$ make tools/install' @echo '' @echo ' installs all tools.' @@ -77,6 +81,11 @@ tmon: FORCE freefall: FORCE $(call descend,laptop/$@) +all: acpi cgroup cpupower hv firewire lguest \ + perf selftests turbostat usb \ + virtio vm net x86_energy_perf_policy \ + tmon freefall + acpi_install: $(call descend,power/$(@:_install=),install) @@ -101,7 +110,7 @@ freefall_install: install: acpi_install cgroup_install cpupower_install hv_install firewire_install lguest_install \ perf_install selftests_install turbostat_install usb_install \ virtio_install vm_install net_install x86_energy_perf_policy_install \ - tmon freefall_install + tmon_install freefall_install acpi_clean: $(call descend,power/acpi,clean) diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 0a945d2e8ca5..99d127fe9c35 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -675,6 +675,7 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused) .fork = perf_event__repipe, .exit = perf_event__repipe, .lost = perf_event__repipe, + .lost_samples = perf_event__repipe, .aux = perf_event__repipe, .itrace_start = perf_event__repipe, .context_switch = perf_event__repipe, diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 2853ad2bd435..f256fac1e722 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -44,7 +44,7 @@ struct report { struct perf_tool tool; struct perf_session *session; - bool force, use_tui, use_gtk, use_stdio; + bool use_tui, use_gtk, use_stdio; bool hide_unresolved; bool dont_use_callchains; bool show_full_info; @@ -678,7 +678,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) "file", "vmlinux pathname"), OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file", "kallsyms pathname"), - OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), + OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, "load module symbols - WARNING: use only with -k and LIVE kernel"), OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, @@ -832,7 +832,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) } file.path = input_name; - file.force = report.force; + file.force = symbol_conf.force; repeat: session = perf_session__new(&file, false, &report.tool); diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index e5afb8936040..fa9eb92c9e24 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -1430,7 +1430,6 @@ close_file_and_continue: struct popup_action { struct thread *thread; - struct dso *dso; struct map_symbol ms; int socket; @@ -1565,7 +1564,6 @@ add_dso_opt(struct hist_browser *browser, struct popup_action *act, return 0; act->ms.map = map; - act->dso = map->dso; act->fn = do_zoom_dso; return 1; } @@ -1827,7 +1825,6 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, while (1) { struct thread *thread = NULL; - struct dso *dso = NULL; struct map *map = NULL; int choice = 0; int socked_id = -1; @@ -1839,8 +1836,6 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, if (browser->he_selection != NULL) { thread = hist_browser__selected_thread(browser); map = browser->selection->map; - if (map) - dso = map->dso; socked_id = browser->he_selection->socket; } switch (key) { @@ -1874,7 +1869,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, hist_browser__dump(browser); continue; case 'd': - actions->dso = dso; + actions->ms.map = map; do_zoom_dso(browser, actions); continue; case 'V': diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index d909459fb54c..217b5a60e2ab 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -76,6 +76,7 @@ struct perf_tool build_id__mark_dso_hit_ops = { .exit = perf_event__exit_del_thread, .attr = perf_event__process_attr, .build_id = perf_event__process_build_id, + .ordered_events = true, }; int build_id__sprintf(const u8 *build_id, int len, char *bf) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 7c0c08386a1d..425df5c86c9c 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -933,6 +933,7 @@ static struct dso *__dso__findlink_by_longname(struct rb_root *root, /* Add new node and rebalance tree */ rb_link_node(&dso->rb_node, parent, p); rb_insert_color(&dso->rb_node, root); + dso->root = root; } return NULL; } @@ -945,15 +946,30 @@ static inline struct dso *__dso__find_by_longname(struct rb_root *root, void dso__set_long_name(struct dso *dso, const char *name, bool name_allocated) { + struct rb_root *root = dso->root; + if (name == NULL) return; if (dso->long_name_allocated) free((char *)dso->long_name); + if (root) { + rb_erase(&dso->rb_node, root); + /* + * __dso__findlink_by_longname() isn't guaranteed to add it + * back, so a clean removal is required here. + */ + RB_CLEAR_NODE(&dso->rb_node); + dso->root = NULL; + } + dso->long_name = name; dso->long_name_len = strlen(name); dso->long_name_allocated = name_allocated; + + if (root) + __dso__findlink_by_longname(root, dso, NULL); } void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated) @@ -1046,6 +1062,7 @@ struct dso *dso__new(const char *name) dso->kernel = DSO_TYPE_USER; dso->needs_swap = DSO_SWAP__UNSET; RB_CLEAR_NODE(&dso->rb_node); + dso->root = NULL; INIT_LIST_HEAD(&dso->node); INIT_LIST_HEAD(&dso->data.open_entry); pthread_mutex_init(&dso->lock, NULL); diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index fc8db9c764ac..45ec4d0a50ed 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -135,6 +135,7 @@ struct dso { pthread_mutex_t lock; struct list_head node; struct rb_node rb_node; /* rbtree node sorted by long name */ + struct rb_root *root; /* root of rbtree that rb_node is in */ struct rb_root symbols[MAP__NR_TYPES]; struct rb_root symbol_names[MAP__NR_TYPES]; struct { diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 5ef90be2a249..8b303ff20289 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -91,6 +91,7 @@ static void dsos__purge(struct dsos *dsos) list_for_each_entry_safe(pos, n, &dsos->head, node) { RB_CLEAR_NODE(&pos->rb_node); + pos->root = NULL; list_del_init(&pos->node); dso__put(pos); } diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index bd8f03de5e40..05012bb178d7 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -1183,7 +1183,7 @@ static int add_probe_trace_event(Dwarf_Die *sc_die, struct probe_finder *pf) container_of(pf, struct trace_event_finder, pf); struct perf_probe_point *pp = &pf->pev->point; struct probe_trace_event *tev; - struct perf_probe_arg *args; + struct perf_probe_arg *args = NULL; int ret, i; /* Check number of tevs */ @@ -1198,19 +1198,23 @@ static int add_probe_trace_event(Dwarf_Die *sc_die, struct probe_finder *pf) ret = convert_to_trace_point(&pf->sp_die, tf->mod, pf->addr, pp->retprobe, pp->function, &tev->point); if (ret < 0) - return ret; + goto end; tev->point.realname = strdup(dwarf_diename(sc_die)); - if (!tev->point.realname) - return -ENOMEM; + if (!tev->point.realname) { + ret = -ENOMEM; + goto end; + } pr_debug("Probe point found: %s+%lu\n", tev->point.symbol, tev->point.offset); /* Expand special probe argument if exist */ args = zalloc(sizeof(struct perf_probe_arg) * MAX_PROBE_ARGS); - if (args == NULL) - return -ENOMEM; + if (args == NULL) { + ret = -ENOMEM; + goto end; + } ret = expand_probe_args(sc_die, pf, args); if (ret < 0) @@ -1234,6 +1238,10 @@ static int add_probe_trace_event(Dwarf_Die *sc_die, struct probe_finder *pf) } end: + if (ret) { + clear_probe_trace_event(tev); + tf->ntevs--; + } free(args); return ret; } @@ -1246,7 +1254,7 @@ int debuginfo__find_trace_events(struct debuginfo *dbg, struct trace_event_finder tf = { .pf = {.pev = pev, .callback = add_probe_trace_event}, .max_tevs = probe_conf.max_probes, .mod = dbg->mod}; - int ret; + int ret, i; /* Allocate result tevs array */ *tevs = zalloc(sizeof(struct probe_trace_event) * tf.max_tevs); @@ -1258,6 +1266,8 @@ int debuginfo__find_trace_events(struct debuginfo *dbg, ret = debuginfo__find_probes(dbg, &tf.pf); if (ret < 0) { + for (i = 0; i < tf.ntevs; i++) + clear_probe_trace_event(&tf.tevs[i]); zfree(tevs); return ret; } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index b4cc7662677e..cd08027a6d2c 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -654,19 +654,24 @@ static int dso__split_kallsyms_for_kcore(struct dso *dso, struct map *map, struct map_groups *kmaps = map__kmaps(map); struct map *curr_map; struct symbol *pos; - int count = 0, moved = 0; + int count = 0; + struct rb_root old_root = dso->symbols[map->type]; struct rb_root *root = &dso->symbols[map->type]; struct rb_node *next = rb_first(root); if (!kmaps) return -1; + *root = RB_ROOT; + while (next) { char *module; pos = rb_entry(next, struct symbol, rb_node); next = rb_next(&pos->rb_node); + rb_erase_init(&pos->rb_node, &old_root); + module = strchr(pos->name, '\t'); if (module) *module = '\0'; @@ -674,28 +679,21 @@ static int dso__split_kallsyms_for_kcore(struct dso *dso, struct map *map, curr_map = map_groups__find(kmaps, map->type, pos->start); if (!curr_map || (filter && filter(curr_map, pos))) { - rb_erase_init(&pos->rb_node, root); symbol__delete(pos); - } else { - pos->start -= curr_map->start - curr_map->pgoff; - if (pos->end) - pos->end -= curr_map->start - curr_map->pgoff; - if (curr_map->dso != map->dso) { - rb_erase_init(&pos->rb_node, root); - symbols__insert( - &curr_map->dso->symbols[curr_map->type], - pos); - ++moved; - } else { - ++count; - } + continue; } + + pos->start -= curr_map->start - curr_map->pgoff; + if (pos->end) + pos->end -= curr_map->start - curr_map->pgoff; + symbols__insert(&curr_map->dso->symbols[curr_map->type], pos); + ++count; } /* Symbols have been adjusted */ dso->adjust_symbols = 1; - return count + moved; + return count; } /* @@ -1438,9 +1436,9 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) if (lstat(dso->name, &st) < 0) goto out; - if (st.st_uid && (st.st_uid != geteuid())) { + if (!symbol_conf.force && st.st_uid && (st.st_uid != geteuid())) { pr_warning("File %s not owned by current user or root, " - "ignoring it.\n", dso->name); + "ignoring it (use -f to override).\n", dso->name); goto out; } diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 40073c60b83d..dcd786e364f2 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -84,6 +84,7 @@ struct symbol_conf { unsigned short priv_size; unsigned short nr_events; bool try_vmlinux_path, + force, ignore_vmlinux, ignore_vmlinux_buildid, show_kernel_path, diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index d8e4b20b6d54..0dac7e05a6ac 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -1173,9 +1173,9 @@ dump_nhm_platform_info(void) unsigned long long msr; unsigned int ratio; - get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr); + get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); - fprintf(stderr, "cpu%d: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); + fprintf(stderr, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr); ratio = (msr >> 40) & 0xFF; fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency frequency\n", @@ -1807,7 +1807,7 @@ void check_permissions() * * MSR_SMI_COUNT 0x00000034 * - * MSR_NHM_PLATFORM_INFO 0x000000ce + * MSR_PLATFORM_INFO 0x000000ce * MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 * * MSR_PKG_C3_RESIDENCY 0x000003f8 @@ -1876,7 +1876,7 @@ int probe_nhm_msrs(unsigned int family, unsigned int model) get_msr(base_cpu, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr); pkg_cstate_limit = pkg_cstate_limits[msr & 0xF]; - get_msr(base_cpu, MSR_NHM_PLATFORM_INFO, &msr); + get_msr(base_cpu, MSR_PLATFORM_INFO, &msr); base_ratio = (msr >> 8) & 0xFF; base_hz = base_ratio * bclk * 1000000; diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index 40ab4476c80a..51cf8256c6cd 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -420,8 +420,7 @@ static struct nfit_test_resource *nfit_test_lookup(resource_size_t addr) static int nfit_test0_alloc(struct nfit_test *t) { - size_t nfit_size = sizeof(struct acpi_table_nfit) - + sizeof(struct acpi_nfit_system_address) * NUM_SPA + size_t nfit_size = sizeof(struct acpi_nfit_system_address) * NUM_SPA + sizeof(struct acpi_nfit_memory_map) * NUM_MEM + sizeof(struct acpi_nfit_control_region) * NUM_DCR + sizeof(struct acpi_nfit_data_region) * NUM_BDW @@ -471,8 +470,7 @@ static int nfit_test0_alloc(struct nfit_test *t) static int nfit_test1_alloc(struct nfit_test *t) { - size_t nfit_size = sizeof(struct acpi_table_nfit) - + sizeof(struct acpi_nfit_system_address) + size_t nfit_size = sizeof(struct acpi_nfit_system_address) + sizeof(struct acpi_nfit_memory_map) + sizeof(struct acpi_nfit_control_region); @@ -488,39 +486,24 @@ static int nfit_test1_alloc(struct nfit_test *t) return 0; } -static void nfit_test_init_header(struct acpi_table_nfit *nfit, size_t size) -{ - memcpy(nfit->header.signature, ACPI_SIG_NFIT, 4); - nfit->header.length = size; - nfit->header.revision = 1; - memcpy(nfit->header.oem_id, "LIBND", 6); - memcpy(nfit->header.oem_table_id, "TEST", 5); - nfit->header.oem_revision = 1; - memcpy(nfit->header.asl_compiler_id, "TST", 4); - nfit->header.asl_compiler_revision = 1; -} - static void nfit_test0_setup(struct nfit_test *t) { struct nvdimm_bus_descriptor *nd_desc; struct acpi_nfit_desc *acpi_desc; struct acpi_nfit_memory_map *memdev; void *nfit_buf = t->nfit_buf; - size_t size = t->nfit_size; struct acpi_nfit_system_address *spa; struct acpi_nfit_control_region *dcr; struct acpi_nfit_data_region *bdw; struct acpi_nfit_flush_address *flush; unsigned int offset; - nfit_test_init_header(nfit_buf, size); - /* * spa0 (interleave first half of dimm0 and dimm1, note storage * does not actually alias the related block-data-window * regions) */ - spa = nfit_buf + sizeof(struct acpi_table_nfit); + spa = nfit_buf; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_PM), 16); @@ -533,7 +516,7 @@ static void nfit_test0_setup(struct nfit_test *t) * does not actually alias the related block-data-window * regions) */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa); + spa = nfit_buf + sizeof(*spa); spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_PM), 16); @@ -542,7 +525,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->length = SPA1_SIZE; /* spa2 (dcr0) dimm0 */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa) * 2; + spa = nfit_buf + sizeof(*spa) * 2; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_DCR), 16); @@ -551,7 +534,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->length = DCR_SIZE; /* spa3 (dcr1) dimm1 */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa) * 3; + spa = nfit_buf + sizeof(*spa) * 3; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_DCR), 16); @@ -560,7 +543,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->length = DCR_SIZE; /* spa4 (dcr2) dimm2 */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa) * 4; + spa = nfit_buf + sizeof(*spa) * 4; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_DCR), 16); @@ -569,7 +552,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->length = DCR_SIZE; /* spa5 (dcr3) dimm3 */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa) * 5; + spa = nfit_buf + sizeof(*spa) * 5; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_DCR), 16); @@ -578,7 +561,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->length = DCR_SIZE; /* spa6 (bdw for dcr0) dimm0 */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa) * 6; + spa = nfit_buf + sizeof(*spa) * 6; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_BDW), 16); @@ -587,7 +570,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->length = DIMM_SIZE; /* spa7 (bdw for dcr1) dimm1 */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa) * 7; + spa = nfit_buf + sizeof(*spa) * 7; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_BDW), 16); @@ -596,7 +579,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->length = DIMM_SIZE; /* spa8 (bdw for dcr2) dimm2 */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa) * 8; + spa = nfit_buf + sizeof(*spa) * 8; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_BDW), 16); @@ -605,7 +588,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->length = DIMM_SIZE; /* spa9 (bdw for dcr3) dimm3 */ - spa = nfit_buf + sizeof(struct acpi_table_nfit) + sizeof(*spa) * 9; + spa = nfit_buf + sizeof(*spa) * 9; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; spa->header.length = sizeof(*spa); memcpy(spa->range_guid, to_nfit_uuid(NFIT_SPA_BDW), 16); @@ -613,7 +596,7 @@ static void nfit_test0_setup(struct nfit_test *t) spa->address = t->dimm_dma[3]; spa->length = DIMM_SIZE; - offset = sizeof(struct acpi_table_nfit) + sizeof(*spa) * 10; + offset = sizeof(*spa) * 10; /* mem-region0 (spa0, dimm0) */ memdev = nfit_buf + offset; memdev->header.type = ACPI_NFIT_TYPE_MEMORY_MAP; @@ -1100,15 +1083,13 @@ static void nfit_test0_setup(struct nfit_test *t) static void nfit_test1_setup(struct nfit_test *t) { - size_t size = t->nfit_size, offset; + size_t offset; void *nfit_buf = t->nfit_buf; struct acpi_nfit_memory_map *memdev; struct acpi_nfit_control_region *dcr; struct acpi_nfit_system_address *spa; - nfit_test_init_header(nfit_buf, size); - - offset = sizeof(struct acpi_table_nfit); + offset = 0; /* spa0 (flat range with no bdw aliasing) */ spa = nfit_buf + offset; spa->header.type = ACPI_NFIT_TYPE_SYSTEM_ADDRESS; diff --git a/tools/testing/selftests/futex/README b/tools/testing/selftests/futex/README index 3224a049b196..0558bb9ce0a6 100644 --- a/tools/testing/selftests/futex/README +++ b/tools/testing/selftests/futex/README @@ -27,7 +27,7 @@ o The build system shall remain as simple as possible, avoiding any archive or o Where possible, any helper functions or other package-wide code shall be implemented in header files, avoiding the need to compile intermediate object files. -o External dependendencies shall remain as minimal as possible. Currently gcc +o External dependencies shall remain as minimal as possible. Currently gcc and glibc are the only dependencies. o Tests return 0 for success and < 0 for failure. diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index e38cc54942db..882fe83a3554 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -492,6 +492,9 @@ TEST_SIGNAL(KILL_one_arg_six, SIGSYS) pid_t parent = getppid(); int fd; void *map1, *map2; + int page_size = sysconf(_SC_PAGESIZE); + + ASSERT_LT(0, page_size); ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0); ASSERT_EQ(0, ret); @@ -504,16 +507,16 @@ TEST_SIGNAL(KILL_one_arg_six, SIGSYS) EXPECT_EQ(parent, syscall(__NR_getppid)); map1 = (void *)syscall(sysno, - NULL, PAGE_SIZE, PROT_READ, MAP_PRIVATE, fd, PAGE_SIZE); + NULL, page_size, PROT_READ, MAP_PRIVATE, fd, page_size); EXPECT_NE(MAP_FAILED, map1); /* mmap2() should never return. */ map2 = (void *)syscall(sysno, - NULL, PAGE_SIZE, PROT_READ, MAP_PRIVATE, fd, 0x0C0FFEE); + NULL, page_size, PROT_READ, MAP_PRIVATE, fd, 0x0C0FFEE); EXPECT_EQ(MAP_FAILED, map2); /* The test failed, so clean up the resources. */ - munmap(map1, PAGE_SIZE); - munmap(map2, PAGE_SIZE); + munmap(map1, page_size); + munmap(map2, page_size); close(fd); } diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index bcf5ec760eb9..5a6016224bb9 100644 --- a/tools/vm/page-types.c +++ b/tools/vm/page-types.c @@ -128,6 +128,7 @@ static const char * const page_flag_names[] = { [KPF_THP] = "t:thp", [KPF_BALLOON] = "o:balloon", [KPF_ZERO_PAGE] = "z:zero_page", + [KPF_IDLE] = "i:idle_page", [KPF_RESERVED] = "r:reserved", [KPF_MLOCKED] = "m:mlocked", diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index 21a0ab2d8919..69bca185c471 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -221,17 +221,23 @@ void kvm_timer_flush_hwstate(struct kvm_vcpu *vcpu) kvm_timer_update_state(vcpu); /* - * If we enter the guest with the virtual input level to the VGIC - * asserted, then we have already told the VGIC what we need to, and - * we don't need to exit from the guest until the guest deactivates - * the already injected interrupt, so therefore we should set the - * hardware active state to prevent unnecessary exits from the guest. - * - * Conversely, if the virtual input level is deasserted, then always - * clear the hardware active state to ensure that hardware interrupts - * from the timer triggers a guest exit. - */ - if (timer->irq.level) + * If we enter the guest with the virtual input level to the VGIC + * asserted, then we have already told the VGIC what we need to, and + * we don't need to exit from the guest until the guest deactivates + * the already injected interrupt, so therefore we should set the + * hardware active state to prevent unnecessary exits from the guest. + * + * Also, if we enter the guest with the virtual timer interrupt active, + * then it must be active on the physical distributor, because we set + * the HW bit and the guest must be able to deactivate the virtual and + * physical interrupt at the same time. + * + * Conversely, if the virtual input level is deasserted and the virtual + * interrupt is not active, then always clear the hardware active state + * to ensure that hardware interrupts from the timer triggers a guest + * exit. + */ + if (timer->irq.level || kvm_vgic_map_is_active(vcpu, timer->map)) phys_active = true; else phys_active = false; diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 533538385d5d..65461f821a75 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -1096,6 +1096,27 @@ static void vgic_retire_lr(int lr_nr, struct kvm_vcpu *vcpu) vgic_set_lr(vcpu, lr_nr, vlr); } +static bool dist_active_irq(struct kvm_vcpu *vcpu) +{ + struct vgic_dist *dist = &vcpu->kvm->arch.vgic; + + return test_bit(vcpu->vcpu_id, dist->irq_active_on_cpu); +} + +bool kvm_vgic_map_is_active(struct kvm_vcpu *vcpu, struct irq_phys_map *map) +{ + int i; + + for (i = 0; i < vcpu->arch.vgic_cpu.nr_lr; i++) { + struct vgic_lr vlr = vgic_get_lr(vcpu, i); + + if (vlr.irq == map->virt_irq && vlr.state & LR_STATE_ACTIVE) + return true; + } + + return dist_active_irq(vcpu); +} + /* * An interrupt may have been disabled after being made pending on the * CPU interface (the classic case is a timer running while we're @@ -1248,7 +1269,7 @@ static void __kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu) * may have been serviced from another vcpu. In all cases, * move along. */ - if (!kvm_vgic_vcpu_pending_irq(vcpu) && !kvm_vgic_vcpu_active_irq(vcpu)) + if (!kvm_vgic_vcpu_pending_irq(vcpu) && !dist_active_irq(vcpu)) goto epilog; /* SGIs */ @@ -1396,25 +1417,13 @@ static bool vgic_process_maintenance(struct kvm_vcpu *vcpu) static bool vgic_sync_hwirq(struct kvm_vcpu *vcpu, int lr, struct vgic_lr vlr) { struct vgic_dist *dist = &vcpu->kvm->arch.vgic; - struct irq_phys_map *map; - bool phys_active; bool level_pending; - int ret; if (!(vlr.state & LR_HW)) return false; - map = vgic_irq_map_search(vcpu, vlr.irq); - BUG_ON(!map); - - ret = irq_get_irqchip_state(map->irq, - IRQCHIP_STATE_ACTIVE, - &phys_active); - - WARN_ON(ret); - - if (phys_active) - return 0; + if (vlr.state & LR_STATE_ACTIVE) + return false; spin_lock(&dist->lock); level_pending = process_queued_irq(vcpu, lr, vlr); @@ -1479,17 +1488,6 @@ int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu) return test_bit(vcpu->vcpu_id, dist->irq_pending_on_cpu); } -int kvm_vgic_vcpu_active_irq(struct kvm_vcpu *vcpu) -{ - struct vgic_dist *dist = &vcpu->kvm->arch.vgic; - - if (!irqchip_in_kernel(vcpu->kvm)) - return 0; - - return test_bit(vcpu->vcpu_id, dist->irq_active_on_cpu); -} - - void vgic_kick_vcpus(struct kvm *kvm) { struct kvm_vcpu *vcpu; |