diff options
Diffstat (limited to 'include')
77 files changed, 1691 insertions, 109 deletions
diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h index 35a52a880b2f..6bd05700d8c9 100644 --- a/include/asm-generic/qspinlock.h +++ b/include/asm-generic/qspinlock.h @@ -28,7 +28,30 @@ */ static __always_inline int queued_spin_is_locked(struct qspinlock *lock) { - return atomic_read(&lock->val); + /* + * queued_spin_lock_slowpath() can ACQUIRE the lock before + * issuing the unordered store that sets _Q_LOCKED_VAL. + * + * See both smp_cond_acquire() sites for more detail. + * + * This however means that in code like: + * + * spin_lock(A) spin_lock(B) + * spin_unlock_wait(B) spin_is_locked(A) + * do_something() do_something() + * + * Both CPUs can end up running do_something() because the store + * setting _Q_LOCKED_VAL will pass through the loads in + * spin_unlock_wait() and/or spin_is_locked(). + * + * Avoid this by issuing a full memory barrier between the spin_lock() + * and the loads in spin_unlock_wait() and spin_is_locked(). + * + * Note that regular mutual exclusion doesn't care about this + * delayed store. + */ + smp_mb(); + return atomic_read(&lock->val) & _Q_LOCKED_MASK; } /** @@ -108,6 +131,8 @@ static __always_inline void queued_spin_unlock(struct qspinlock *lock) */ static inline void queued_spin_unlock_wait(struct qspinlock *lock) { + /* See queued_spin_is_locked() */ + smp_mb(); while (atomic_read(&lock->val) & _Q_LOCKED_MASK) cpu_relax(); } diff --git a/include/dt-bindings/clock/axis,artpec6-clkctrl.h b/include/dt-bindings/clock/axis,artpec6-clkctrl.h new file mode 100644 index 000000000000..f9f04dccc996 --- /dev/null +++ b/include/dt-bindings/clock/axis,artpec6-clkctrl.h @@ -0,0 +1,38 @@ +/* + * ARTPEC-6 clock controller indexes + * + * Copyright 2016 Axis Comunications AB. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef DT_BINDINGS_CLK_ARTPEC6_CLKCTRL_H +#define DT_BINDINGS_CLK_ARTPEC6_CLKCTRL_H + +#define ARTPEC6_CLK_CPU 0 +#define ARTPEC6_CLK_CPU_PERIPH 1 +#define ARTPEC6_CLK_NAND_CLKA 2 +#define ARTPEC6_CLK_NAND_CLKB 3 +#define ARTPEC6_CLK_ETH_ACLK 4 +#define ARTPEC6_CLK_DMA_ACLK 5 +#define ARTPEC6_CLK_PTP_REF 6 +#define ARTPEC6_CLK_SD_PCLK 7 +#define ARTPEC6_CLK_SD_IMCLK 8 +#define ARTPEC6_CLK_I2S_HST 9 +#define ARTPEC6_CLK_I2S0_CLK 10 +#define ARTPEC6_CLK_I2S1_CLK 11 +#define ARTPEC6_CLK_UART_PCLK 12 +#define ARTPEC6_CLK_UART_REFCLK 13 +#define ARTPEC6_CLK_I2C 14 +#define ARTPEC6_CLK_SPI_PCLK 15 +#define ARTPEC6_CLK_SPI_SSPCLK 16 +#define ARTPEC6_CLK_SYS_TIMER 17 +#define ARTPEC6_CLK_FRACDIV_IN 18 +#define ARTPEC6_CLK_DBG_PCLK 19 + +/* This must be the highest clock index plus one. */ +#define ARTPEC6_CLK_NUMCLOCKS 20 + +#endif diff --git a/include/dt-bindings/clock/bcm2835.h b/include/dt-bindings/clock/bcm2835.h index 61f1d20c2a67..360e00cefd35 100644 --- a/include/dt-bindings/clock/bcm2835.h +++ b/include/dt-bindings/clock/bcm2835.h @@ -44,5 +44,23 @@ #define BCM2835_CLOCK_EMMC 28 #define BCM2835_CLOCK_PERI_IMAGE 29 #define BCM2835_CLOCK_PWM 30 +#define BCM2835_CLOCK_PCM 31 -#define BCM2835_CLOCK_COUNT 31 +#define BCM2835_PLLA_DSI0 32 +#define BCM2835_PLLA_CCP2 33 +#define BCM2835_PLLD_DSI0 34 +#define BCM2835_PLLD_DSI1 35 + +#define BCM2835_CLOCK_AVEO 36 +#define BCM2835_CLOCK_DFT 37 +#define BCM2835_CLOCK_GP0 38 +#define BCM2835_CLOCK_GP1 39 +#define BCM2835_CLOCK_GP2 40 +#define BCM2835_CLOCK_SLIM 41 +#define BCM2835_CLOCK_SMI 42 +#define BCM2835_CLOCK_TEC 43 +#define BCM2835_CLOCK_DPI 44 +#define BCM2835_CLOCK_CAM0 45 +#define BCM2835_CLOCK_CAM1 46 +#define BCM2835_CLOCK_DSI0E 47 +#define BCM2835_CLOCK_DSI1E 48 diff --git a/include/dt-bindings/clock/exynos5420.h b/include/dt-bindings/clock/exynos5420.h index 7699ee9c16c0..17ab8394bec7 100644 --- a/include/dt-bindings/clock/exynos5420.h +++ b/include/dt-bindings/clock/exynos5420.h @@ -217,8 +217,30 @@ /* divider clocks */ #define CLK_DOUT_PIXEL 768 +#define CLK_DOUT_ACLK400_WCORE 769 +#define CLK_DOUT_ACLK400_ISP 770 +#define CLK_DOUT_ACLK400_MSCL 771 +#define CLK_DOUT_ACLK200 772 +#define CLK_DOUT_ACLK200_FSYS2 773 +#define CLK_DOUT_ACLK100_NOC 774 +#define CLK_DOUT_PCLK200_FSYS 775 +#define CLK_DOUT_ACLK200_FSYS 776 +#define CLK_DOUT_ACLK333_432_GSCL 777 +#define CLK_DOUT_ACLK333_432_ISP 778 +#define CLK_DOUT_ACLK66 779 +#define CLK_DOUT_ACLK333_432_ISP0 780 +#define CLK_DOUT_ACLK266 781 +#define CLK_DOUT_ACLK166 782 +#define CLK_DOUT_ACLK333 783 +#define CLK_DOUT_ACLK333_G2D 784 +#define CLK_DOUT_ACLK266_G2D 785 +#define CLK_DOUT_ACLK_G3D 786 +#define CLK_DOUT_ACLK300_JPEG 787 +#define CLK_DOUT_ACLK300_DISP1 788 +#define CLK_DOUT_ACLK300_GSCL 789 +#define CLK_DOUT_ACLK400_DISP1 790 /* must be greater than maximal clock id */ -#define CLK_NR_CLKS 769 +#define CLK_NR_CLKS 791 #endif /* _DT_BINDINGS_CLOCK_EXYNOS_5420_H */ diff --git a/include/dt-bindings/clock/hi3519-clock.h b/include/dt-bindings/clock/hi3519-clock.h new file mode 100644 index 000000000000..14f4d2184e5a --- /dev/null +++ b/include/dt-bindings/clock/hi3519-clock.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2015 HiSilicon Technologies Co., Ltd. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __DTS_HI3519_CLOCK_H +#define __DTS_HI3519_CLOCK_H + +#define HI3519_FMC_CLK 1 +#define HI3519_SPI0_CLK 2 +#define HI3519_SPI1_CLK 3 +#define HI3519_SPI2_CLK 4 +#define HI3519_UART0_CLK 5 +#define HI3519_UART1_CLK 6 +#define HI3519_UART2_CLK 7 +#define HI3519_UART3_CLK 8 +#define HI3519_UART4_CLK 9 +#define HI3519_PWM_CLK 10 +#define HI3519_DMA_CLK 11 +#define HI3519_IR_CLK 12 +#define HI3519_ETH_PHY_CLK 13 +#define HI3519_ETH_MAC_CLK 14 +#define HI3519_ETH_MACIF_CLK 15 +#define HI3519_USB2_BUS_CLK 16 +#define HI3519_USB2_PORT_CLK 17 +#define HI3519_USB3_CLK 18 + +#endif /* __DTS_HI3519_CLOCK_H */ diff --git a/include/dt-bindings/clock/imx7d-clock.h b/include/dt-bindings/clock/imx7d-clock.h index edca8985c50e..1183347c383f 100644 --- a/include/dt-bindings/clock/imx7d-clock.h +++ b/include/dt-bindings/clock/imx7d-clock.h @@ -448,5 +448,6 @@ #define IMX7D_PLL_DRAM_TEST_DIV 435 #define IMX7D_ADC_ROOT_CLK 436 #define IMX7D_CLK_ARM 437 -#define IMX7D_CLK_END 438 +#define IMX7D_CKIL 438 +#define IMX7D_CLK_END 439 #endif /* __DT_BINDINGS_CLOCK_IMX7D_H */ diff --git a/include/dt-bindings/clock/tegra210-car.h b/include/dt-bindings/clock/tegra210-car.h index 0a05b0d36ae7..bd3530e56d46 100644 --- a/include/dt-bindings/clock/tegra210-car.h +++ b/include/dt-bindings/clock/tegra210-car.h @@ -346,7 +346,7 @@ #define TEGRA210_CLK_PLL_P_OUT_HSIO 316 #define TEGRA210_CLK_PLL_P_OUT_XUSB 317 #define TEGRA210_CLK_XUSB_SSP_SRC 318 -/* 319 */ +#define TEGRA210_CLK_PLL_RE_OUT1 319 /* 320 */ /* 321 */ /* 322 */ diff --git a/include/dt-bindings/clock/vf610-clock.h b/include/dt-bindings/clock/vf610-clock.h index 56c16aaea112..45997750c8a0 100644 --- a/include/dt-bindings/clock/vf610-clock.h +++ b/include/dt-bindings/clock/vf610-clock.h @@ -194,7 +194,11 @@ #define VF610_PLL7_BYPASS 181 #define VF610_CLK_SNVS 182 #define VF610_CLK_DAP 183 -#define VF610_CLK_OCOTP 184 -#define VF610_CLK_END 185 +#define VF610_CLK_OCOTP 184 +#define VF610_CLK_DDRMC 185 +#define VF610_CLK_WKPU 186 +#define VF610_CLK_TCON0 187 +#define VF610_CLK_TCON1 188 +#define VF610_CLK_END 189 #endif /* __DT_BINDINGS_CLOCK_VF610_H */ diff --git a/include/dt-bindings/iio/adi,ad5592r.h b/include/dt-bindings/iio/adi,ad5592r.h new file mode 100644 index 000000000000..c48aca1dcade --- /dev/null +++ b/include/dt-bindings/iio/adi,ad5592r.h @@ -0,0 +1,16 @@ + +#ifndef _DT_BINDINGS_ADI_AD5592R_H +#define _DT_BINDINGS_ADI_AD5592R_H + +#define CH_MODE_UNUSED 0 +#define CH_MODE_ADC 1 +#define CH_MODE_DAC 2 +#define CH_MODE_DAC_AND_ADC 3 +#define CH_MODE_GPIO 8 + +#define CH_OFFSTATE_PULLDOWN 0 +#define CH_OFFSTATE_OUT_LOW 1 +#define CH_OFFSTATE_OUT_HIGH 2 +#define CH_OFFSTATE_OUT_TRISTATE 3 + +#endif /* _DT_BINDINGS_ADI_AD5592R_H */ diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h index 0367c63f5960..e6b41f42602b 100644 --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h @@ -4,6 +4,7 @@ #include <linux/pci.h> #include <linux/mod_devicetable.h> +#include <linux/bcma/bcma_driver_arm_c9.h> #include <linux/bcma/bcma_driver_chipcommon.h> #include <linux/bcma/bcma_driver_pci.h> #include <linux/bcma/bcma_driver_pcie2.h> diff --git a/include/linux/bcma/bcma_driver_arm_c9.h b/include/linux/bcma/bcma_driver_arm_c9.h new file mode 100644 index 000000000000..93bd73d670d5 --- /dev/null +++ b/include/linux/bcma/bcma_driver_arm_c9.h @@ -0,0 +1,15 @@ +#ifndef LINUX_BCMA_DRIVER_ARM_C9_H_ +#define LINUX_BCMA_DRIVER_ARM_C9_H_ + +/* DMU (Device Management Unit) */ +#define BCMA_DMU_CRU_USB2_CONTROL 0x0164 +#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_MASK 0x00000FFC +#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_SHIFT 2 +#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_MASK 0x00007000 +#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_SHIFT 12 +#define BCMA_DMU_CRU_CLKSET_KEY 0x0180 +#define BCMA_DMU_CRU_STRAPS_CTRL 0x02A0 +#define BCMA_DMU_CRU_STRAPS_CTRL_USB3 0x00000010 +#define BCMA_DMU_CRU_STRAPS_CTRL_4BYTE 0x00008000 + +#endif /* LINUX_BCMA_DRIVER_ARM_C9_H_ */ diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index da95258127aa..0c72204c75fc 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -32,6 +32,7 @@ #define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */ #define CLK_RECALC_NEW_RATES BIT(9) /* recalc rates after notifications */ #define CLK_SET_RATE_UNGATE BIT(10) /* clock needs to run to set rate */ +#define CLK_IS_CRITICAL BIT(11) /* do not gate, ever */ struct clk; struct clk_hw; @@ -282,10 +283,17 @@ extern const struct clk_ops clk_fixed_rate_ops; struct clk *clk_register_fixed_rate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate); +struct clk_hw *clk_hw_register_fixed_rate(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + unsigned long fixed_rate); struct clk *clk_register_fixed_rate_with_accuracy(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate, unsigned long fixed_accuracy); void clk_unregister_fixed_rate(struct clk *clk); +struct clk_hw *clk_hw_register_fixed_rate_with_accuracy(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned long fixed_rate, unsigned long fixed_accuracy); + void of_fixed_clk_setup(struct device_node *np); /** @@ -326,7 +334,12 @@ struct clk *clk_register_gate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 bit_idx, u8 clk_gate_flags, spinlock_t *lock); +struct clk_hw *clk_hw_register_gate(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 bit_idx, + u8 clk_gate_flags, spinlock_t *lock); void clk_unregister_gate(struct clk *clk); +void clk_hw_unregister_gate(struct clk_hw *hw); struct clk_div_table { unsigned int val; @@ -407,12 +420,22 @@ struct clk *clk_register_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, spinlock_t *lock); +struct clk_hw *clk_hw_register_divider(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_divider_flags, spinlock_t *lock); struct clk *clk_register_divider_table(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, const struct clk_div_table *table, spinlock_t *lock); +struct clk_hw *clk_hw_register_divider_table(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_divider_flags, const struct clk_div_table *table, + spinlock_t *lock); void clk_unregister_divider(struct clk *clk); +void clk_hw_unregister_divider(struct clk_hw *hw); /** * struct clk_mux - multiplexer clock @@ -463,14 +486,25 @@ struct clk *clk_register_mux(struct device *dev, const char *name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_mux_flags, spinlock_t *lock); +struct clk_hw *clk_hw_register_mux(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, + unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_mux_flags, spinlock_t *lock); struct clk *clk_register_mux_table(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 shift, u32 mask, u8 clk_mux_flags, u32 *table, spinlock_t *lock); +struct clk_hw *clk_hw_register_mux_table(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, + unsigned long flags, + void __iomem *reg, u8 shift, u32 mask, + u8 clk_mux_flags, u32 *table, spinlock_t *lock); void clk_unregister_mux(struct clk *clk); +void clk_hw_unregister_mux(struct clk_hw *hw); void of_fixed_factor_clk_setup(struct device_node *node); @@ -499,6 +533,10 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); void clk_unregister_fixed_factor(struct clk *clk); +struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div); +void clk_hw_unregister_fixed_factor(struct clk_hw *hw); /** * struct clk_fractional_divider - adjustable fractional divider clock @@ -533,6 +571,11 @@ struct clk *clk_register_fractional_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth, u8 clk_divider_flags, spinlock_t *lock); +struct clk_hw *clk_hw_register_fractional_divider(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth, + u8 clk_divider_flags, spinlock_t *lock); +void clk_hw_unregister_fractional_divider(struct clk_hw *hw); /** * struct clk_multiplier - adjustable multiplier clock @@ -603,6 +646,14 @@ struct clk *clk_register_composite(struct device *dev, const char *name, struct clk_hw *rate_hw, const struct clk_ops *rate_ops, struct clk_hw *gate_hw, const struct clk_ops *gate_ops, unsigned long flags); +void clk_unregister_composite(struct clk *clk); +struct clk_hw *clk_hw_register_composite(struct device *dev, const char *name, + const char * const *parent_names, int num_parents, + struct clk_hw *mux_hw, const struct clk_ops *mux_ops, + struct clk_hw *rate_hw, const struct clk_ops *rate_ops, + struct clk_hw *gate_hw, const struct clk_ops *gate_ops, + unsigned long flags); +void clk_hw_unregister_composite(struct clk_hw *hw); /*** * struct clk_gpio_gate - gpio gated clock @@ -625,6 +676,10 @@ extern const struct clk_ops clk_gpio_gate_ops; struct clk *clk_register_gpio_gate(struct device *dev, const char *name, const char *parent_name, unsigned gpio, bool active_low, unsigned long flags); +struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, const char *name, + const char *parent_name, unsigned gpio, bool active_low, + unsigned long flags); +void clk_hw_unregister_gpio_gate(struct clk_hw *hw); /** * struct clk_gpio_mux - gpio controlled clock multiplexer @@ -640,6 +695,10 @@ extern const struct clk_ops clk_gpio_mux_ops; struct clk *clk_register_gpio_mux(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned gpio, bool active_low, unsigned long flags); +struct clk_hw *clk_hw_register_gpio_mux(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags); +void clk_hw_unregister_gpio_mux(struct clk_hw *hw); /** * clk_register - allocate a new clock, register it and return an opaque cookie @@ -655,9 +714,15 @@ struct clk *clk_register_gpio_mux(struct device *dev, const char *name, struct clk *clk_register(struct device *dev, struct clk_hw *hw); struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw); +int __must_check clk_hw_register(struct device *dev, struct clk_hw *hw); +int __must_check devm_clk_hw_register(struct device *dev, struct clk_hw *hw); + void clk_unregister(struct clk *clk); void devm_clk_unregister(struct device *dev, struct clk *clk); +void clk_hw_unregister(struct clk_hw *hw); +void devm_clk_hw_unregister(struct device *dev, struct clk_hw *hw); + /* helper functions */ const char *__clk_get_name(const struct clk *clk); const char *clk_hw_get_name(const struct clk_hw *hw); @@ -703,6 +768,11 @@ struct clk_onecell_data { unsigned int clk_num; }; +struct clk_hw_onecell_data { + size_t num; + struct clk_hw *hws[]; +}; + extern struct of_device_id __clk_of_table; #define CLK_OF_DECLARE(name, compat, fn) OF_DECLARE_1(clk, name, compat, fn) @@ -712,15 +782,24 @@ int of_clk_add_provider(struct device_node *np, struct clk *(*clk_src_get)(struct of_phandle_args *args, void *data), void *data); +int of_clk_add_hw_provider(struct device_node *np, + struct clk_hw *(*get)(struct of_phandle_args *clkspec, + void *data), + void *data); void of_clk_del_provider(struct device_node *np); struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec, void *data); +struct clk_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec, + void *data); struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data); +struct clk_hw *of_clk_hw_onecell_get(struct of_phandle_args *clkspec, + void *data); unsigned int of_clk_get_parent_count(struct device_node *np); int of_clk_parent_fill(struct device_node *np, const char **parents, unsigned int size); const char *of_clk_get_parent_name(struct device_node *np, int index); - +int of_clk_detect_critical(struct device_node *np, int index, + unsigned long *flags); void of_clk_init(const struct of_device_id *matches); #else /* !CONFIG_OF */ @@ -732,17 +811,34 @@ static inline int of_clk_add_provider(struct device_node *np, { return 0; } +static inline int of_clk_add_hw_provider(struct device_node *np, + struct clk_hw *(*get)(struct of_phandle_args *clkspec, + void *data), + void *data) +{ + return 0; +} static inline void of_clk_del_provider(struct device_node *np) {} static inline struct clk *of_clk_src_simple_get( struct of_phandle_args *clkspec, void *data) { return ERR_PTR(-ENOENT); } +static inline struct clk_hw * +of_clk_hw_simple_get(struct of_phandle_args *clkspec, void *data) +{ + return ERR_PTR(-ENOENT); +} static inline struct clk *of_clk_src_onecell_get( struct of_phandle_args *clkspec, void *data) { return ERR_PTR(-ENOENT); } +static inline struct clk_hw * +of_clk_hw_onecell_get(struct of_phandle_args *clkspec, void *data) +{ + return ERR_PTR(-ENOENT); +} static inline int of_clk_get_parent_count(struct device_node *np) { return 0; @@ -757,6 +853,11 @@ static inline const char *of_clk_get_parent_name(struct device_node *np, { return NULL; } +static inline int of_clk_detect_critical(struct device_node *np, int index, + unsigned long *flags) +{ + return 0; +} static inline void of_clk_init(const struct of_device_id *matches) {} #endif /* CONFIG_OF */ diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h index dc5164a6df29..6110fe09ed18 100644 --- a/include/linux/clk/ti.h +++ b/include/linux/clk/ti.h @@ -37,6 +37,7 @@ * @last_rounded_n: cache of the last N result of omap2_dpll_round_rate() * @min_divider: minimum valid non-bypass divider value (actual) * @max_divider: maximum valid non-bypass divider value (actual) + * @max_rate: maximum clock rate for the DPLL * @modes: possible values of @enable_mask * @autoidle_reg: register containing the DPLL autoidle mode bitfield * @idlest_reg: register containing the DPLL idle status bitfield @@ -81,6 +82,7 @@ struct dpll_data { u8 last_rounded_n; u8 min_divider; u16 max_divider; + unsigned long max_rate; u8 modes; void __iomem *autoidle_reg; void __iomem *idlest_reg; diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h index c2c04f7cbe8a..2eabc862abdb 100644 --- a/include/linux/clkdev.h +++ b/include/linux/clkdev.h @@ -15,6 +15,7 @@ #include <asm/clkdev.h> struct clk; +struct clk_hw; struct device; struct clk_lookup { @@ -34,18 +35,22 @@ struct clk_lookup { struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, const char *dev_fmt, ...) __printf(3, 4); +struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id, + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add(struct clk_lookup *cl); void clkdev_drop(struct clk_lookup *cl); struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, const char *dev_fmt, ...) __printf(3, 4); +struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id, + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add_table(struct clk_lookup *, size_t); int clk_add_alias(const char *, const char *, const char *, struct device *); int clk_register_clkdev(struct clk *, const char *, const char *); -int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t); +int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *); #ifdef CONFIG_COMMON_CLK int __clk_get(struct clk *clk); diff --git a/include/linux/console.h b/include/linux/console.h index ea731af2451e..137ac1a1c16f 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -47,7 +47,7 @@ struct consw { int (*con_font_copy)(struct vc_data *, int); int (*con_resize)(struct vc_data *, unsigned int, unsigned int, unsigned int); - int (*con_set_palette)(struct vc_data *, unsigned char *); + int (*con_set_palette)(struct vc_data *, const unsigned char *); int (*con_scrolldelta)(struct vc_data *, int); int (*con_set_origin)(struct vc_data *); void (*con_save_screen)(struct vc_data *); diff --git a/include/linux/coresight-stm.h b/include/linux/coresight-stm.h new file mode 100644 index 000000000000..a978bb85599a --- /dev/null +++ b/include/linux/coresight-stm.h @@ -0,0 +1,6 @@ +#ifndef __LINUX_CORESIGHT_STM_H_ +#define __LINUX_CORESIGHT_STM_H_ + +#include <uapi/linux/coresight-stm.h> + +#endif diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index 981e53ab84e8..1438e2322d5c 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -19,9 +19,11 @@ #include <linux/seq_file.h> #include <linux/types.h> +#include <linux/compiler.h> struct device; struct file_operations; +struct srcu_struct; struct debugfs_blob_wrapper { void *data; @@ -41,14 +43,16 @@ struct debugfs_regset32 { extern struct dentry *arch_debugfs_dir; -#if defined(CONFIG_DEBUG_FS) +extern struct srcu_struct debugfs_srcu; -/* declared over in file.c */ -extern const struct file_operations debugfs_file_operations; +#if defined(CONFIG_DEBUG_FS) struct dentry *debugfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops); +struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode, + struct dentry *parent, void *data, + const struct file_operations *fops); struct dentry *debugfs_create_file_size(const char *name, umode_t mode, struct dentry *parent, void *data, @@ -68,6 +72,31 @@ struct dentry *debugfs_create_automount(const char *name, void debugfs_remove(struct dentry *dentry); void debugfs_remove_recursive(struct dentry *dentry); +int debugfs_use_file_start(const struct dentry *dentry, int *srcu_idx) + __acquires(&debugfs_srcu); + +void debugfs_use_file_finish(int srcu_idx) __releases(&debugfs_srcu); + +ssize_t debugfs_attr_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos); +ssize_t debugfs_attr_write(struct file *file, const char __user *buf, + size_t len, loff_t *ppos); + +#define DEFINE_DEBUGFS_ATTRIBUTE(__fops, __get, __set, __fmt) \ +static int __fops ## _open(struct inode *inode, struct file *file) \ +{ \ + __simple_attr_check_format(__fmt, 0ull); \ + return simple_attr_open(inode, file, __get, __set, __fmt); \ +} \ +static const struct file_operations __fops = { \ + .owner = THIS_MODULE, \ + .open = __fops ## _open, \ + .release = simple_attr_release, \ + .read = debugfs_attr_read, \ + .write = debugfs_attr_write, \ + .llseek = generic_file_llseek, \ +} + struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, struct dentry *new_dir, const char *new_name); @@ -176,6 +205,20 @@ static inline void debugfs_remove(struct dentry *dentry) static inline void debugfs_remove_recursive(struct dentry *dentry) { } +static inline int debugfs_use_file_start(const struct dentry *dentry, + int *srcu_idx) + __acquires(&debugfs_srcu) +{ + return 0; +} + +static inline void debugfs_use_file_finish(int srcu_idx) + __releases(&debugfs_srcu) +{ } + +#define DEFINE_DEBUGFS_ATTRIBUTE(__fops, __get, __set, __fmt) \ + static const struct file_operations __fops = { 0 } + static inline struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, struct dentry *new_dir, char *new_name) { diff --git a/include/linux/devcoredump.h b/include/linux/devcoredump.h index c0a360e99f64..269521f143ac 100644 --- a/include/linux/devcoredump.h +++ b/include/linux/devcoredump.h @@ -1,3 +1,22 @@ +/* + * This file is provided under the GPLv2 license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2015 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + */ #ifndef __DEVCOREDUMP_H #define __DEVCOREDUMP_H @@ -5,17 +24,62 @@ #include <linux/module.h> #include <linux/vmalloc.h> +#include <linux/scatterlist.h> +#include <linux/slab.h> + +/* + * _devcd_free_sgtable - free all the memory of the given scatterlist table + * (i.e. both pages and scatterlist instances) + * NOTE: if two tables allocated and chained using the sg_chain function then + * this function should be called only once on the first table + * @table: pointer to sg_table to free + */ +static inline void _devcd_free_sgtable(struct scatterlist *table) +{ + int i; + struct page *page; + struct scatterlist *iter; + struct scatterlist *delete_iter; + + /* free pages */ + iter = table; + for_each_sg(table, iter, sg_nents(table), i) { + page = sg_page(iter); + if (page) + __free_page(page); + } + + /* then free all chained tables */ + iter = table; + delete_iter = table; /* always points on a head of a table */ + while (!sg_is_last(iter)) { + iter++; + if (sg_is_chain(iter)) { + iter = sg_chain_ptr(iter); + kfree(delete_iter); + delete_iter = iter; + } + } + + /* free the last table */ + kfree(delete_iter); +} + + #ifdef CONFIG_DEV_COREDUMP -void dev_coredumpv(struct device *dev, const void *data, size_t datalen, +void dev_coredumpv(struct device *dev, void *data, size_t datalen, gfp_t gfp); void dev_coredumpm(struct device *dev, struct module *owner, - const void *data, size_t datalen, gfp_t gfp, + void *data, size_t datalen, gfp_t gfp, ssize_t (*read)(char *buffer, loff_t offset, size_t count, - const void *data, size_t datalen), - void (*free)(const void *data)); + void *data, size_t datalen), + void (*free)(void *data)); + +void dev_coredumpsg(struct device *dev, struct scatterlist *table, + size_t datalen, gfp_t gfp); #else -static inline void dev_coredumpv(struct device *dev, const void *data, +static inline void dev_coredumpv(struct device *dev, void *data, size_t datalen, gfp_t gfp) { vfree(data); @@ -23,13 +87,19 @@ static inline void dev_coredumpv(struct device *dev, const void *data, static inline void dev_coredumpm(struct device *dev, struct module *owner, - const void *data, size_t datalen, gfp_t gfp, + void *data, size_t datalen, gfp_t gfp, ssize_t (*read)(char *buffer, loff_t offset, size_t count, - const void *data, size_t datalen), - void (*free)(const void *data)) + void *data, size_t datalen), + void (*free)(void *data)) { free(data); } + +static inline void dev_coredumpsg(struct device *dev, struct scatterlist *table, + size_t datalen, gfp_t gfp) +{ + _devcd_free_sgtable(table); +} #endif /* CONFIG_DEV_COREDUMP */ #endif /* __DEVCOREDUMP_H */ diff --git a/include/linux/device.h b/include/linux/device.h index ca90ad8bcd61..38f02814d53a 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1288,8 +1288,11 @@ do { \ dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); \ } while (0) #else -#define dev_dbg_ratelimited(dev, fmt, ...) \ - no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) +#define dev_dbg_ratelimited(dev, fmt, ...) \ +do { \ + if (0) \ + dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); \ +} while (0) #endif #ifdef VERBOSE_DEBUG diff --git a/include/linux/fs.h b/include/linux/fs.h index 10d3d8f8a65b..b8b3c72c2aae 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2427,6 +2427,8 @@ static inline void bd_unlink_disk_holder(struct block_device *bdev, /* fs/char_dev.c */ #define CHRDEV_MAJOR_HASH_SIZE 255 +/* Marks the bottom of the first segment of free char majors */ +#define CHRDEV_MAJOR_DYN_END 234 extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *); extern int register_chrdev_region(dev_t, unsigned, const char *); extern int __register_chrdev(unsigned int major, unsigned int baseminor, diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index aa0fadce9308..b10954a66939 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -126,6 +126,8 @@ struct hv_ring_buffer_info { u32 ring_datasize; /* < ring_size */ u32 ring_data_startoffset; + u32 priv_write_index; + u32 priv_read_index; }; /* @@ -151,6 +153,33 @@ hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info *rbi, *read = dsize - *write; } +static inline u32 hv_get_bytes_to_read(struct hv_ring_buffer_info *rbi) +{ + u32 read_loc, write_loc, dsize, read; + + dsize = rbi->ring_datasize; + read_loc = rbi->ring_buffer->read_index; + write_loc = READ_ONCE(rbi->ring_buffer->write_index); + + read = write_loc >= read_loc ? (write_loc - read_loc) : + (dsize - read_loc) + write_loc; + + return read; +} + +static inline u32 hv_get_bytes_to_write(struct hv_ring_buffer_info *rbi) +{ + u32 read_loc, write_loc, dsize, write; + + dsize = rbi->ring_datasize; + read_loc = READ_ONCE(rbi->ring_buffer->read_index); + write_loc = rbi->ring_buffer->write_index; + + write = write_loc >= read_loc ? dsize - (write_loc - read_loc) : + read_loc - write_loc; + return write; +} + /* * VMBUS version is 32 bit entity broken up into * two 16 bit quantities: major_number. minor_number. @@ -1091,7 +1120,7 @@ int vmbus_allocate_mmio(struct resource **new, struct hv_device *device_obj, resource_size_t min, resource_size_t max, resource_size_t size, resource_size_t align, bool fb_overlap_ok); - +void vmbus_free_mmio(resource_size_t start, resource_size_t size); int vmbus_cpu_number_to_vp_number(int cpu_number); u64 hv_do_hypercall(u64 control, void *input, void *output); @@ -1338,4 +1367,143 @@ extern __u32 vmbus_proto_version; int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id, const uuid_le *shv_host_servie_id); +void vmbus_set_event(struct vmbus_channel *channel); + +/* Get the start of the ring buffer. */ +static inline void * +hv_get_ring_buffer(struct hv_ring_buffer_info *ring_info) +{ + return (void *)ring_info->ring_buffer->buffer; +} + +/* + * To optimize the flow management on the send-side, + * when the sender is blocked because of lack of + * sufficient space in the ring buffer, potential the + * consumer of the ring buffer can signal the producer. + * This is controlled by the following parameters: + * + * 1. pending_send_sz: This is the size in bytes that the + * producer is trying to send. + * 2. The feature bit feat_pending_send_sz set to indicate if + * the consumer of the ring will signal when the ring + * state transitions from being full to a state where + * there is room for the producer to send the pending packet. + */ + +static inline bool hv_need_to_signal_on_read(struct hv_ring_buffer_info *rbi) +{ + u32 cur_write_sz; + u32 pending_sz; + + /* + * Issue a full memory barrier before making the signaling decision. + * Here is the reason for having this barrier: + * If the reading of the pend_sz (in this function) + * were to be reordered and read before we commit the new read + * index (in the calling function) we could + * have a problem. If the host were to set the pending_sz after we + * have sampled pending_sz and go to sleep before we commit the + * read index, we could miss sending the interrupt. Issue a full + * memory barrier to address this. + */ + virt_mb(); + + pending_sz = READ_ONCE(rbi->ring_buffer->pending_send_sz); + /* If the other end is not blocked on write don't bother. */ + if (pending_sz == 0) + return false; + + cur_write_sz = hv_get_bytes_to_write(rbi); + + if (cur_write_sz >= pending_sz) + return true; + + return false; +} + +/* + * An API to support in-place processing of incoming VMBUS packets. + */ +#define VMBUS_PKT_TRAILER 8 + +static inline struct vmpacket_descriptor * +get_next_pkt_raw(struct vmbus_channel *channel) +{ + struct hv_ring_buffer_info *ring_info = &channel->inbound; + u32 read_loc = ring_info->priv_read_index; + void *ring_buffer = hv_get_ring_buffer(ring_info); + struct vmpacket_descriptor *cur_desc; + u32 packetlen; + u32 dsize = ring_info->ring_datasize; + u32 delta = read_loc - ring_info->ring_buffer->read_index; + u32 bytes_avail_toread = (hv_get_bytes_to_read(ring_info) - delta); + + if (bytes_avail_toread < sizeof(struct vmpacket_descriptor)) + return NULL; + + if ((read_loc + sizeof(*cur_desc)) > dsize) + return NULL; + + cur_desc = ring_buffer + read_loc; + packetlen = cur_desc->len8 << 3; + + /* + * If the packet under consideration is wrapping around, + * return failure. + */ + if ((read_loc + packetlen + VMBUS_PKT_TRAILER) > (dsize - 1)) + return NULL; + + return cur_desc; +} + +/* + * A helper function to step through packets "in-place" + * This API is to be called after each successful call + * get_next_pkt_raw(). + */ +static inline void put_pkt_raw(struct vmbus_channel *channel, + struct vmpacket_descriptor *desc) +{ + struct hv_ring_buffer_info *ring_info = &channel->inbound; + u32 read_loc = ring_info->priv_read_index; + u32 packetlen = desc->len8 << 3; + u32 dsize = ring_info->ring_datasize; + + if ((read_loc + packetlen + VMBUS_PKT_TRAILER) > dsize) + BUG(); + /* + * Include the packet trailer. + */ + ring_info->priv_read_index += packetlen + VMBUS_PKT_TRAILER; +} + +/* + * This call commits the read index and potentially signals the host. + * Here is the pattern for using the "in-place" consumption APIs: + * + * while (get_next_pkt_raw() { + * process the packet "in-place"; + * put_pkt_raw(); + * } + * if (packets processed in place) + * commit_rd_index(); + */ +static inline void commit_rd_index(struct vmbus_channel *channel) +{ + struct hv_ring_buffer_info *ring_info = &channel->inbound; + /* + * Make sure all reads are done before we update the read index since + * the writer may start writing to the read area once the read index + * is updated. + */ + virt_rmb(); + ring_info->ring_buffer->read_index = ring_info->priv_read_index; + + if (hv_need_to_signal_on_read(ring_info)) + vmbus_set_event(channel); +} + + #endif /* _HYPERV_H */ diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h index 2ec3ad58e8a0..70a5164f4728 100644 --- a/include/linux/iio/buffer.h +++ b/include/linux/iio/buffer.h @@ -83,10 +83,12 @@ struct iio_buffer_access_funcs { * @access: [DRIVER] buffer access functions associated with the * implementation. * @scan_el_dev_attr_list:[INTERN] list of scan element related attributes. + * @buffer_group: [INTERN] attributes of the buffer group * @scan_el_group: [DRIVER] attribute group for those attributes not * created from the iio_chan_info array. * @pollq: [INTERN] wait queue to allow for polling on the buffer. * @stufftoread: [INTERN] flag to indicate new data. + * @attrs: [INTERN] standard attributes of the buffer * @demux_list: [INTERN] list of operations required to demux the scan. * @demux_bounce: [INTERN] buffer for doing gather from incoming scan. * @buffer_list: [INTERN] entry in the devices list of current buffers. diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index 6670c3d25c58..d029ffac0d69 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -37,6 +37,7 @@ #define ST_SENSORS_DEFAULT_AXIS_ADDR 0x20 #define ST_SENSORS_DEFAULT_AXIS_MASK 0x07 #define ST_SENSORS_DEFAULT_AXIS_N_BIT 3 +#define ST_SENSORS_DEFAULT_STAT_ADDR 0x27 #define ST_SENSORS_MAX_NAME 17 #define ST_SENSORS_MAX_4WAI 7 @@ -121,6 +122,9 @@ struct st_sensor_bdu { * @mask_int2: mask to enable/disable IRQ on INT2 pin. * @addr_ihl: address to enable/disable active low on the INT lines. * @mask_ihl: mask to enable/disable active low on the INT lines. + * @addr_od: address to enable/disable Open Drain on the INT lines. + * @mask_od: mask to enable/disable Open Drain on the INT lines. + * @addr_stat_drdy: address to read status of DRDY (data ready) interrupt * struct ig1 - represents the Interrupt Generator 1 of sensors. * @en_addr: address of the enable ig1 register. * @en_mask: mask to write the on/off value for enable. @@ -131,6 +135,9 @@ struct st_sensor_data_ready_irq { u8 mask_int2; u8 addr_ihl; u8 mask_ihl; + u8 addr_od; + u8 mask_od; + u8 addr_stat_drdy; struct { u8 en_addr; u8 en_mask; @@ -212,6 +219,7 @@ struct st_sensor_settings { * @odr: Output data rate of the sensor [Hz]. * num_data_channels: Number of data channels used in buffer. * @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2). + * @int_pin_open_drain: Set the interrupt/DRDY to open drain. * @get_irq_data_ready: Function to get the IRQ used for data ready signal. * @tf: Transfer function structure used by I/O operations. * @tb: Transfer buffers and mutex used by I/O operations. @@ -233,6 +241,7 @@ struct st_sensor_data { unsigned int num_data_channels; u8 drdy_int_pin; + bool int_pin_open_drain; unsigned int (*get_irq_data_ready) (struct iio_dev *indio_dev); diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h index fad58671c49e..3d672f72e7ec 100644 --- a/include/linux/iio/consumer.h +++ b/include/linux/iio/consumer.h @@ -49,6 +49,33 @@ struct iio_channel *iio_channel_get(struct device *dev, void iio_channel_release(struct iio_channel *chan); /** + * devm_iio_channel_get() - Resource managed version of iio_channel_get(). + * @dev: Pointer to consumer device. Device name must match + * the name of the device as provided in the iio_map + * with which the desired provider to consumer mapping + * was registered. + * @consumer_channel: Unique name to identify the channel on the consumer + * side. This typically describes the channels use within + * the consumer. E.g. 'battery_voltage' + * + * Returns a pointer to negative errno if it is not able to get the iio channel + * otherwise returns valid pointer for iio channel. + * + * The allocated iio channel is automatically released when the device is + * unbound. + */ +struct iio_channel *devm_iio_channel_get(struct device *dev, + const char *consumer_channel); +/** + * devm_iio_channel_release() - Resource managed version of + * iio_channel_release(). + * @dev: Pointer to consumer device for which resource + * is allocared. + * @chan: The channel to be released. + */ +void devm_iio_channel_release(struct device *dev, struct iio_channel *chan); + +/** * iio_channel_get_all() - get all channels associated with a client * @dev: Pointer to consumer device. * @@ -65,6 +92,32 @@ struct iio_channel *iio_channel_get_all(struct device *dev); */ void iio_channel_release_all(struct iio_channel *chan); +/** + * devm_iio_channel_get_all() - Resource managed version of + * iio_channel_get_all(). + * @dev: Pointer to consumer device. + * + * Returns a pointer to negative errno if it is not able to get the iio channel + * otherwise returns an array of iio_channel structures terminated with one with + * null iio_dev pointer. + * + * This function is used by fairly generic consumers to get all the + * channels registered as having this consumer. + * + * The allocated iio channels are automatically released when the device is + * unbounded. + */ +struct iio_channel *devm_iio_channel_get_all(struct device *dev); + +/** + * devm_iio_channel_release_all() - Resource managed version of + * iio_channel_release_all(). + * @dev: Pointer to consumer device for which resource + * is allocared. + * @chan: Array channel to be released. + */ +void devm_iio_channel_release_all(struct device *dev, struct iio_channel *chan); + struct iio_cb_buffer; /** * iio_channel_get_all_cb() - register callback for triggered capture diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index b2b16772c651..7c29cb0124ae 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -148,6 +148,37 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev, } /** + * struct iio_mount_matrix - iio mounting matrix + * @rotation: 3 dimensional space rotation matrix defining sensor alignment with + * main hardware + */ +struct iio_mount_matrix { + const char *rotation[9]; +}; + +ssize_t iio_show_mount_matrix(struct iio_dev *indio_dev, uintptr_t priv, + const struct iio_chan_spec *chan, char *buf); +int of_iio_read_mount_matrix(const struct device *dev, const char *propname, + struct iio_mount_matrix *matrix); + +typedef const struct iio_mount_matrix * + (iio_get_mount_matrix_t)(const struct iio_dev *indio_dev, + const struct iio_chan_spec *chan); + +/** + * IIO_MOUNT_MATRIX() - Initialize mount matrix extended channel attribute + * @_shared: Whether the attribute is shared between all channels + * @_get: Pointer to an iio_get_mount_matrix_t accessor + */ +#define IIO_MOUNT_MATRIX(_shared, _get) \ +{ \ + .name = "mount_matrix", \ + .shared = (_shared), \ + .read = iio_show_mount_matrix, \ + .private = (uintptr_t)(_get), \ +} + +/** * struct iio_event_spec - specification for a channel event * @type: Type of the event * @dir: Direction of the event @@ -527,6 +558,8 @@ void iio_device_unregister(struct iio_dev *indio_dev); int devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev); void devm_iio_device_unregister(struct device *dev, struct iio_dev *indio_dev); int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp); +int iio_device_claim_direct_mode(struct iio_dev *indio_dev); +void iio_device_release_direct_mode(struct iio_dev *indio_dev); extern struct bus_type iio_bus_type; diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h index fa2d01ef8f55..360da7d18a3d 100644 --- a/include/linux/iio/imu/adis.h +++ b/include/linux/iio/imu/adis.h @@ -41,6 +41,7 @@ struct adis_data { unsigned int diag_stat_reg; unsigned int self_test_mask; + bool self_test_no_autoclear; unsigned int startup_delay; const char * const *status_error_msgs; diff --git a/include/linux/iio/magnetometer/ak8975.h b/include/linux/iio/magnetometer/ak8975.h new file mode 100644 index 000000000000..c8400959d197 --- /dev/null +++ b/include/linux/iio/magnetometer/ak8975.h @@ -0,0 +1,16 @@ +#ifndef __IIO_MAGNETOMETER_AK8975_H__ +#define __IIO_MAGNETOMETER_AK8975_H__ + +#include <linux/iio/iio.h> + +/** + * struct ak8975_platform_data - AK8975 magnetometer driver platform data + * @eoc_gpio: data ready event gpio + * @orientation: mounting matrix relative to main hardware + */ +struct ak8975_platform_data { + int eoc_gpio; + struct iio_mount_matrix orientation; +}; + +#endif diff --git a/include/linux/isa.h b/include/linux/isa.h index b0270e3814c8..5ab85281230b 100644 --- a/include/linux/isa.h +++ b/include/linux/isa.h @@ -36,4 +36,36 @@ static inline void isa_unregister_driver(struct isa_driver *d) } #endif +/** + * module_isa_driver() - Helper macro for registering a ISA driver + * @__isa_driver: isa_driver struct + * @__num_isa_dev: number of devices to register + * + * Helper macro for ISA drivers which do not do anything special in module + * init/exit. This eliminates a lot of boilerplate code. Each module may only + * use this macro once, and calling it replaces module_init and module_exit. + */ +#define module_isa_driver(__isa_driver, __num_isa_dev) \ +static int __init __isa_driver##_init(void) \ +{ \ + return isa_register_driver(&(__isa_driver), __num_isa_dev); \ +} \ +module_init(__isa_driver##_init); \ +static void __exit __isa_driver##_exit(void) \ +{ \ + isa_unregister_driver(&(__isa_driver)); \ +} \ +module_exit(__isa_driver##_exit); + +/** + * max_num_isa_dev() - Maximum possible number registered of an ISA device + * @__ida_dev_ext: ISA device address extent + * + * The highest base address possible for an ISA device is 0x3FF; this results in + * 1024 possible base addresses. Dividing the number of possible base addresses + * by the address extent taken by each device results in the maximum number of + * devices on a system. + */ +#define max_num_isa_dev(__isa_dev_ext) (1024 / __isa_dev_ext) + #endif /* __LINUX_ISA_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index cc7398287fdd..94aa10ffe156 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -53,6 +53,13 @@ #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) +#define u64_to_user_ptr(x) ( \ +{ \ + typecheck(u64, x); \ + (void __user *)(uintptr_t)x; \ +} \ +) + /* * This looks more complex than it should be. But we need to * get the type for the ~ right in round_down (it needs to be diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 30f089ebe0a4..96356ef012de 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -179,6 +179,7 @@ struct kernfs_open_file { /* private fields, do not use outside kernfs proper */ struct mutex mutex; + struct mutex prealloc_mutex; int event; struct list_head list; char *prealloc_buf; diff --git a/include/linux/mcb.h b/include/linux/mcb.h index ed06e15a36aa..ead13d233a97 100644 --- a/include/linux/mcb.h +++ b/include/linux/mcb.h @@ -15,22 +15,30 @@ #include <linux/device.h> #include <linux/irqreturn.h> +#define CHAMELEON_FILENAME_LEN 12 + struct mcb_driver; struct mcb_device; /** * struct mcb_bus - MEN Chameleon Bus * - * @dev: pointer to carrier device - * @children: the child busses + * @dev: bus device + * @carrier: pointer to carrier device * @bus_nr: mcb bus number * @get_irq: callback to get IRQ number + * @revision: the FPGA's revision number + * @model: the FPGA's model number + * @filename: the FPGA's name */ struct mcb_bus { - struct list_head children; struct device dev; struct device *carrier; int bus_nr; + u8 revision; + char model; + u8 minor; + char name[CHAMELEON_FILENAME_LEN + 1]; int (*get_irq)(struct mcb_device *dev); }; #define to_mcb_bus(b) container_of((b), struct mcb_bus, dev) diff --git a/include/linux/mfd/syscon/exynos5-pmu.h b/include/linux/mfd/syscon/exynos5-pmu.h index 9352adc95de6..76f30f940c70 100644 --- a/include/linux/mfd/syscon/exynos5-pmu.h +++ b/include/linux/mfd/syscon/exynos5-pmu.h @@ -38,6 +38,9 @@ /* Exynos5433 specific register definitions */ #define EXYNOS5433_USBHOST30_PHY_CONTROL (0x728) +#define EXYNOS5433_MIPI_PHY0_CONTROL (0x710) +#define EXYNOS5433_MIPI_PHY1_CONTROL (0x714) +#define EXYNOS5433_MIPI_PHY2_CONTROL (0x718) #define EXYNOS5_PHY_ENABLE BIT(0) diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h index b2c9fada8eac..2be976dd4966 100644 --- a/include/linux/mlx5/cq.h +++ b/include/linux/mlx5/cq.h @@ -53,6 +53,11 @@ struct mlx5_core_cq { unsigned arm_sn; struct mlx5_rsc_debug *dbg; int pid; + struct { + struct list_head list; + void (*comp)(struct mlx5_core_cq *); + void *priv; + } tasklet_ctx; }; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 07b504f7eb84..80776d0c52dc 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -42,6 +42,7 @@ #include <linux/vmalloc.h> #include <linux/radix-tree.h> #include <linux/workqueue.h> +#include <linux/interrupt.h> #include <linux/mlx5/device.h> #include <linux/mlx5/doorbell.h> @@ -312,6 +313,14 @@ struct mlx5_buf { u8 page_shift; }; +struct mlx5_eq_tasklet { + struct list_head list; + struct list_head process_list; + struct tasklet_struct task; + /* lock on completion tasklet list */ + spinlock_t lock; +}; + struct mlx5_eq { struct mlx5_core_dev *dev; __be32 __iomem *doorbell; @@ -325,6 +334,7 @@ struct mlx5_eq { struct list_head list; int index; struct mlx5_rsc_debug *dbg; + struct mlx5_eq_tasklet tasklet_ctx; }; struct mlx5_core_psv { diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h index 83430f2ea757..0d126aeb3ec0 100644 --- a/include/linux/mmc/sdio_ids.h +++ b/include/linux/mmc/sdio_ids.h @@ -36,6 +36,7 @@ #define SDIO_DEVICE_ID_BROADCOM_43430 0xa9a6 #define SDIO_DEVICE_ID_BROADCOM_4345 0x4345 #define SDIO_DEVICE_ID_BROADCOM_4354 0x4354 +#define SDIO_DEVICE_ID_BROADCOM_4356 0x4356 #define SDIO_VENDOR_ID_INTEL 0x0089 #define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX 0x1402 diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index bc8736266749..aa7b2400f98c 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -44,8 +44,8 @@ enum { NETIF_F_FSO_BIT, /* ... FCoE segmentation */ NETIF_F_GSO_GRE_BIT, /* ... GRE with TSO */ NETIF_F_GSO_GRE_CSUM_BIT, /* ... GRE with csum with TSO */ - NETIF_F_GSO_IPIP_BIT, /* ... IPIP tunnel with TSO */ - NETIF_F_GSO_SIT_BIT, /* ... SIT tunnel with TSO */ + NETIF_F_GSO_IPXIP4_BIT, /* ... IP4 or IP6 over IP4 with TSO */ + NETIF_F_GSO_IPXIP6_BIT, /* ... IP4 or IP6 over IP6 with TSO */ NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */ NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT,/* ... UDP TUNNEL with TSO & CSUM */ NETIF_F_GSO_PARTIAL_BIT, /* ... Only segment inner-most L4 @@ -121,8 +121,8 @@ enum { #define NETIF_F_RXALL __NETIF_F(RXALL) #define NETIF_F_GSO_GRE __NETIF_F(GSO_GRE) #define NETIF_F_GSO_GRE_CSUM __NETIF_F(GSO_GRE_CSUM) -#define NETIF_F_GSO_IPIP __NETIF_F(GSO_IPIP) -#define NETIF_F_GSO_SIT __NETIF_F(GSO_SIT) +#define NETIF_F_GSO_IPXIP4 __NETIF_F(GSO_IPXIP4) +#define NETIF_F_GSO_IPXIP6 __NETIF_F(GSO_IPXIP6) #define NETIF_F_GSO_UDP_TUNNEL __NETIF_F(GSO_UDP_TUNNEL) #define NETIF_F_GSO_UDP_TUNNEL_CSUM __NETIF_F(GSO_UDP_TUNNEL_CSUM) #define NETIF_F_TSO_MANGLEID __NETIF_F(TSO_MANGLEID) @@ -200,8 +200,8 @@ enum { #define NETIF_F_GSO_ENCAP_ALL (NETIF_F_GSO_GRE | \ NETIF_F_GSO_GRE_CSUM | \ - NETIF_F_GSO_IPIP | \ - NETIF_F_GSO_SIT | \ + NETIF_F_GSO_IPXIP4 | \ + NETIF_F_GSO_IPXIP6 | \ NETIF_F_GSO_UDP_TUNNEL | \ NETIF_F_GSO_UDP_TUNNEL_CSUM) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c148edfe4965..f45929ce8157 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -4006,8 +4006,8 @@ static inline bool net_gso_ok(netdev_features_t features, int gso_type) BUILD_BUG_ON(SKB_GSO_FCOE != (NETIF_F_FSO >> NETIF_F_GSO_SHIFT)); BUILD_BUG_ON(SKB_GSO_GRE != (NETIF_F_GSO_GRE >> NETIF_F_GSO_SHIFT)); BUILD_BUG_ON(SKB_GSO_GRE_CSUM != (NETIF_F_GSO_GRE_CSUM >> NETIF_F_GSO_SHIFT)); - BUILD_BUG_ON(SKB_GSO_IPIP != (NETIF_F_GSO_IPIP >> NETIF_F_GSO_SHIFT)); - BUILD_BUG_ON(SKB_GSO_SIT != (NETIF_F_GSO_SIT >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_IPXIP4 != (NETIF_F_GSO_IPXIP4 >> NETIF_F_GSO_SHIFT)); + BUILD_BUG_ON(SKB_GSO_IPXIP6 != (NETIF_F_GSO_IPXIP6 >> NETIF_F_GSO_SHIFT)); BUILD_BUG_ON(SKB_GSO_UDP_TUNNEL != (NETIF_F_GSO_UDP_TUNNEL >> NETIF_F_GSO_SHIFT)); BUILD_BUG_ON(SKB_GSO_UDP_TUNNEL_CSUM != (NETIF_F_GSO_UDP_TUNNEL_CSUM >> NETIF_F_GSO_SHIFT)); BUILD_BUG_ON(SKB_GSO_PARTIAL != (NETIF_F_GSO_PARTIAL >> NETIF_F_GSO_SHIFT)); diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index a4fcc90b0f20..cd93416d762e 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -14,6 +14,10 @@ struct nvmem_device; struct nvmem_cell_info; +typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset, + void *val, size_t bytes); +typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset, + void *val, size_t bytes); struct nvmem_config { struct device *dev; @@ -24,6 +28,12 @@ struct nvmem_config { int ncells; bool read_only; bool root_only; + nvmem_reg_read_t reg_read; + nvmem_reg_write_t reg_write; + int size; + int word_size; + int stride; + void *priv; /* To be only used by old driver/misc/eeprom drivers */ bool compat; struct device *base_dev; diff --git a/include/linux/of.h b/include/linux/of.h index 77ddace575e8..c7292e8ea080 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -75,6 +75,23 @@ struct of_phandle_args { uint32_t args[MAX_PHANDLE_ARGS]; }; +struct of_phandle_iterator { + /* Common iterator information */ + const char *cells_name; + int cell_count; + const struct device_node *parent; + + /* List size information */ + const __be32 *list_end; + const __be32 *phandle_end; + + /* Current position state */ + const __be32 *cur; + uint32_t cur_count; + phandle phandle; + struct device_node *node; +}; + struct of_reconfig_data { struct device_node *dn; struct property *prop; @@ -334,6 +351,18 @@ extern int of_parse_phandle_with_fixed_args(const struct device_node *np, extern int of_count_phandle_with_args(const struct device_node *np, const char *list_name, const char *cells_name); +/* phandle iterator functions */ +extern int of_phandle_iterator_init(struct of_phandle_iterator *it, + const struct device_node *np, + const char *list_name, + const char *cells_name, + int cell_count); + +extern int of_phandle_iterator_next(struct of_phandle_iterator *it); +extern int of_phandle_iterator_args(struct of_phandle_iterator *it, + uint32_t *args, + int size); + extern void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)); extern int of_alias_get_id(struct device_node *np, const char *stem); extern int of_alias_get_highest_id(const char *stem); @@ -608,6 +637,27 @@ static inline int of_count_phandle_with_args(struct device_node *np, return -ENOSYS; } +static inline int of_phandle_iterator_init(struct of_phandle_iterator *it, + const struct device_node *np, + const char *list_name, + const char *cells_name, + int cell_count) +{ + return -ENOSYS; +} + +static inline int of_phandle_iterator_next(struct of_phandle_iterator *it) +{ + return -ENOSYS; +} + +static inline int of_phandle_iterator_args(struct of_phandle_iterator *it, + uint32_t *args, + int size) +{ + return 0; +} + static inline int of_alias_get_id(struct device_node *np, const char *stem) { return -ENOSYS; @@ -877,6 +927,12 @@ static inline int of_property_read_s32(const struct device_node *np, return of_property_read_u32(np, propname, (u32*) out_value); } +#define of_for_each_phandle(it, err, np, ln, cn, cc) \ + for (of_phandle_iterator_init((it), (np), (ln), (cn), (cc)), \ + err = of_phandle_iterator_next(it); \ + err == 0; \ + err = of_phandle_iterator_next(it)) + #define of_property_for_each_u32(np, propname, prop, p, u) \ for (prop = of_find_property(np, propname, NULL), \ p = of_prop_next_u32(prop, NULL, &u); \ diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index 2fbe8682a66f..901ec01c9fba 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -37,8 +37,9 @@ extern bool of_fdt_is_big_endian(const void *blob, unsigned long node); extern int of_fdt_match(const void *blob, unsigned long node, const char *const *compat); -extern void of_fdt_unflatten_tree(const unsigned long *blob, - struct device_node **mynodes); +extern void *of_fdt_unflatten_tree(const unsigned long *blob, + struct device_node *dad, + struct device_node **mynodes); /* TBD: Temporary export of fdt globals - remove when code fully merged */ extern int __initdata dt_root_addr_cells; diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h index f8bcd0e21a26..bb3a5a2cd570 100644 --- a/include/linux/of_graph.h +++ b/include/linux/of_graph.h @@ -15,6 +15,7 @@ #define __LINUX_OF_GRAPH_H #include <linux/types.h> +#include <linux/errno.h> /** * struct of_endpoint - the OF graph endpoint data structure diff --git a/include/linux/platform_data/invensense_mpu6050.h b/include/linux/platform_data/invensense_mpu6050.h index ad3aa7b95f35..554b59801aa8 100644 --- a/include/linux/platform_data/invensense_mpu6050.h +++ b/include/linux/platform_data/invensense_mpu6050.h @@ -16,13 +16,16 @@ /** * struct inv_mpu6050_platform_data - Platform data for the mpu driver - * @orientation: Orientation matrix of the chip + * @orientation: Orientation matrix of the chip (deprecated in favor of + * mounting matrix retrieved from device-tree) * * Contains platform specific information on how to configure the MPU6050 to * work on this platform. The orientation matricies are 3x3 rotation matricies * that are applied to the data to rotate from the mounting orientation to the * platform orientation. The values must be one of 0, 1, or -1 and each row and * column should have exactly 1 non-zero value. + * + * Deprecated in favor of mounting matrix retrieved from device-tree. */ struct inv_mpu6050_platform_data { __s8 orientation[9]; diff --git a/include/linux/platform_data/st_sensors_pdata.h b/include/linux/platform_data/st_sensors_pdata.h index 753839187ba0..79b0e4cdb814 100644 --- a/include/linux/platform_data/st_sensors_pdata.h +++ b/include/linux/platform_data/st_sensors_pdata.h @@ -16,9 +16,11 @@ * @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2). * Available only for accelerometer and pressure sensors. * Accelerometer DRDY on LSM330 available only on pin 1 (see datasheet). + * @open_drain: set the interrupt line to be open drain if possible. */ struct st_sensors_platform_data { u8 drdy_int_pin; + bool open_drain; }; #endif /* ST_SENSORS_PDATA_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 02bdab4d6db7..2c036de6c1ee 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2250,6 +2250,7 @@ static inline void memalloc_noio_restore(unsigned int flags) #define PFA_NO_NEW_PRIVS 0 /* May not gain new privileges. */ #define PFA_SPREAD_PAGE 1 /* Spread page cache over cpuset */ #define PFA_SPREAD_SLAB 2 /* Spread some slab caches over cpuset */ +#define PFA_LMK_WAITING 3 /* Lowmemorykiller is waiting */ #define TASK_PFA_TEST(name, func) \ @@ -2273,6 +2274,9 @@ TASK_PFA_TEST(SPREAD_SLAB, spread_slab) TASK_PFA_SET(SPREAD_SLAB, spread_slab) TASK_PFA_CLEAR(SPREAD_SLAB, spread_slab) +TASK_PFA_TEST(LMK_WAITING, lmk_waiting) +TASK_PFA_SET(LMK_WAITING, lmk_waiting) + /* * task->jobctl flags */ diff --git a/include/linux/selection.h b/include/linux/selection.h index 85193aa8c1e3..8e4624efdb6f 100644 --- a/include/linux/selection.h +++ b/include/linux/selection.h @@ -24,10 +24,10 @@ extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry); extern int console_blanked; -extern unsigned char color_table[]; -extern int default_red[]; -extern int default_grn[]; -extern int default_blu[]; +extern const unsigned char color_table[]; +extern unsigned char default_red[]; +extern unsigned char default_grn[]; +extern unsigned char default_blu[]; extern unsigned short *screen_pos(struct vc_data *vc, int w_offset, int viewed); extern u16 screen_glyph(struct vc_data *vc, int offset); diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 434879759725..48ec7651989b 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -36,6 +36,7 @@ struct plat_serial8250_port { void (*set_termios)(struct uart_port *, struct ktermios *new, struct ktermios *old); + unsigned int (*get_mctrl)(struct uart_port *); int (*handle_irq)(struct uart_port *); void (*pm)(struct uart_port *, unsigned int state, unsigned old); @@ -148,6 +149,7 @@ extern int early_serial8250_setup(struct earlycon_device *device, const char *options); extern void serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old); +extern unsigned int serial8250_do_get_mctrl(struct uart_port *port); extern int serial8250_do_startup(struct uart_port *port); extern void serial8250_do_shutdown(struct uart_port *port); extern void serial8250_do_pm(struct uart_port *port, unsigned int state, diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index cbfcf38e220d..a3d7c0d4a03e 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -123,6 +123,7 @@ struct uart_port { void (*set_termios)(struct uart_port *, struct ktermios *new, struct ktermios *old); + unsigned int (*get_mctrl)(struct uart_port *); void (*set_mctrl)(struct uart_port *, unsigned int); int (*startup)(struct uart_port *port); void (*shutdown)(struct uart_port *port); @@ -281,6 +282,8 @@ struct uart_state { enum uart_pm_state pm_state; struct circ_buf xmit; + atomic_t refcount; + wait_queue_head_t remove_wait; struct uart_port *uart_port; }; diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index c413c588a24f..ee38a4127475 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -471,9 +471,9 @@ enum { SKB_GSO_GRE_CSUM = 1 << 8, - SKB_GSO_IPIP = 1 << 9, + SKB_GSO_IPXIP4 = 1 << 9, - SKB_GSO_SIT = 1 << 10, + SKB_GSO_IPXIP6 = 1 << 10, SKB_GSO_UDP_TUNNEL = 1 << 11, @@ -2467,7 +2467,7 @@ static inline struct page *__dev_alloc_pages(gfp_t gfp_mask, static inline struct page *dev_alloc_pages(unsigned int order) { - return __dev_alloc_pages(GFP_ATOMIC, order); + return __dev_alloc_pages(GFP_ATOMIC | __GFP_NOWARN, order); } /** @@ -2485,7 +2485,7 @@ static inline struct page *__dev_alloc_page(gfp_t gfp_mask) static inline struct page *dev_alloc_page(void) { - return __dev_alloc_page(GFP_ATOMIC); + return dev_alloc_pages(0); } /** diff --git a/include/linux/stm.h b/include/linux/stm.h index 1a79ed8e43da..8369d8a8cabd 100644 --- a/include/linux/stm.h +++ b/include/linux/stm.h @@ -50,6 +50,8 @@ struct stm_device; * @sw_end: last STP master available to software * @sw_nchannels: number of STP channels per master * @sw_mmiosz: size of one channel's IO space, for mmap, optional + * @hw_override: masters in the STP stream will not match the ones + * assigned by software, but are up to the STM hardware * @packet: callback that sends an STP packet * @mmio_addr: mmap callback, optional * @link: called when a new stm_source gets linked to us, optional @@ -85,6 +87,7 @@ struct stm_data { unsigned int sw_end; unsigned int sw_nchannels; unsigned int sw_mmiosz; + unsigned int hw_override; ssize_t (*packet)(struct stm_data *, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, diff --git a/include/linux/sync_file.h b/include/linux/sync_file.h new file mode 100644 index 000000000000..c6ffe8b0725c --- /dev/null +++ b/include/linux/sync_file.h @@ -0,0 +1,57 @@ +/* + * include/linux/sync_file.h + * + * Copyright (C) 2012 Google, Inc. + * + * 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. + * + */ + +#ifndef _LINUX_SYNC_FILE_H +#define _LINUX_SYNC_FILE_H + +#include <linux/types.h> +#include <linux/kref.h> +#include <linux/ktime.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/fence.h> + +struct sync_file_cb { + struct fence_cb cb; + struct fence *fence; + struct sync_file *sync_file; +}; + +/** + * struct sync_file - sync file to export to the userspace + * @file: file representing this fence + * @kref: reference count on fence. + * @name: name of sync_file. Useful for debugging + * @sync_file_list: membership in global file list + * @num_fences: number of sync_pts in the fence + * @wq: wait queue for fence signaling + * @status: 0: signaled, >0:active, <0: error + * @cbs: sync_pts callback information + */ +struct sync_file { + struct file *file; + struct kref kref; + char name[32]; +#ifdef CONFIG_DEBUG_FS + struct list_head sync_file_list; +#endif + int num_fences; + + wait_queue_head_t wq; + atomic_t status; + + struct sync_file_cb cbs[]; +}; + +struct sync_file *sync_file_create(struct fence *fence); + +#endif /* _LINUX_SYNC_H */ diff --git a/include/linux/tty.h b/include/linux/tty.h index 17b247c94440..40144f382516 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -228,7 +228,8 @@ struct tty_port { int count; /* Usage count */ wait_queue_head_t open_wait; /* Open waiters */ wait_queue_head_t delta_msr_wait; /* Modem status change */ - unsigned long flags; /* TTY flags ASY_*/ + unsigned long flags; /* User TTY flags ASYNC_ */ + unsigned long iflags; /* Internal flags TTY_PORT_ */ unsigned char console:1, /* port is a console */ low_latency:1; /* optional: tune for latency */ struct mutex mutex; /* Locking */ @@ -242,6 +243,18 @@ struct tty_port { struct kref kref; /* Ref counter */ }; +/* tty_port::iflags bits -- use atomic bit ops */ +#define TTY_PORT_INITIALIZED 0 /* device is initialized */ +#define TTY_PORT_SUSPENDED 1 /* device is suspended */ +#define TTY_PORT_ACTIVE 2 /* device is open */ + +/* + * uart drivers: use the uart_port::status field and the UPSTAT_* defines + * for s/w-based flow control steering and carrier detection status + */ +#define TTY_PORT_CTS_FLOW 3 /* h/w flow control enabled */ +#define TTY_PORT_CHECK_CD 4 /* carrier detect enabled */ + /* * Where all of the state associated with a tty is kept while the tty * is open. Since the termios state should be kept even if the tty @@ -338,7 +351,6 @@ struct tty_file_private { #define TTY_OTHER_CLOSED 2 /* Other side (if any) has closed */ #define TTY_EXCLUSIVE 3 /* Exclusive open mode */ #define TTY_DO_WRITE_WAKEUP 5 /* Call write_wakeup after queuing new */ -#define TTY_OTHER_DONE 6 /* Closed pty has completed input processing */ #define TTY_LDISC_OPEN 11 /* Line discipline is open */ #define TTY_PTY_LOCK 16 /* pty private */ #define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */ @@ -360,6 +372,16 @@ static inline void tty_set_flow_change(struct tty_struct *tty, int val) smp_mb(); } +static inline bool tty_io_error(struct tty_struct *tty) +{ + return test_bit(TTY_IO_ERROR, &tty->flags); +} + +static inline bool tty_throttled(struct tty_struct *tty) +{ + return test_bit(TTY_THROTTLED, &tty->flags); +} + #ifdef CONFIG_TTY extern void console_init(void); extern void tty_kref_put(struct tty_struct *tty); @@ -459,6 +481,7 @@ extern void tty_buffer_init(struct tty_port *port); extern void tty_buffer_set_lock_subclass(struct tty_port *port); extern bool tty_buffer_restart_work(struct tty_port *port); extern bool tty_buffer_cancel_work(struct tty_port *port); +extern void tty_buffer_flush_work(struct tty_port *port); extern speed_t tty_termios_baud_rate(struct ktermios *termios); extern speed_t tty_termios_input_baud_rate(struct ktermios *termios); extern void tty_termios_encode_baud_rate(struct ktermios *termios, @@ -539,7 +562,67 @@ static inline struct tty_port *tty_port_get(struct tty_port *port) /* If the cts flow control is enabled, return true. */ static inline bool tty_port_cts_enabled(struct tty_port *port) { - return port->flags & ASYNC_CTS_FLOW; + return test_bit(TTY_PORT_CTS_FLOW, &port->iflags); +} + +static inline void tty_port_set_cts_flow(struct tty_port *port, bool val) +{ + if (val) + set_bit(TTY_PORT_CTS_FLOW, &port->iflags); + else + clear_bit(TTY_PORT_CTS_FLOW, &port->iflags); +} + +static inline bool tty_port_active(struct tty_port *port) +{ + return test_bit(TTY_PORT_ACTIVE, &port->iflags); +} + +static inline void tty_port_set_active(struct tty_port *port, bool val) +{ + if (val) + set_bit(TTY_PORT_ACTIVE, &port->iflags); + else + clear_bit(TTY_PORT_ACTIVE, &port->iflags); +} + +static inline bool tty_port_check_carrier(struct tty_port *port) +{ + return test_bit(TTY_PORT_CHECK_CD, &port->iflags); +} + +static inline void tty_port_set_check_carrier(struct tty_port *port, bool val) +{ + if (val) + set_bit(TTY_PORT_CHECK_CD, &port->iflags); + else + clear_bit(TTY_PORT_CHECK_CD, &port->iflags); +} + +static inline bool tty_port_suspended(struct tty_port *port) +{ + return test_bit(TTY_PORT_SUSPENDED, &port->iflags); +} + +static inline void tty_port_set_suspended(struct tty_port *port, bool val) +{ + if (val) + set_bit(TTY_PORT_SUSPENDED, &port->iflags); + else + clear_bit(TTY_PORT_SUSPENDED, &port->iflags); +} + +static inline bool tty_port_initialized(struct tty_port *port) +{ + return test_bit(TTY_PORT_INITIALIZED, &port->iflags); +} + +static inline void tty_port_set_initialized(struct tty_port *port, bool val) +{ + if (val) + set_bit(TTY_PORT_INITIALIZED, &port->iflags); + else + clear_bit(TTY_PORT_INITIALIZED, &port->iflags); } extern struct tty_struct *tty_port_tty_get(struct tty_port *port); diff --git a/include/linux/usb.h b/include/linux/usb.h index 6a9a0c28415d..eba1f10e8cfd 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -374,13 +374,12 @@ struct usb_bus { int devnum_next; /* Next open device number in * round-robin allocation */ + struct mutex devnum_next_mutex; /* devnum_next mutex */ struct usb_devmap devmap; /* device address allocation map */ struct usb_device *root_hub; /* Root hub */ struct usb_bus *hs_companion; /* Companion EHCI bus, if any */ - struct mutex usb_address0_mutex; /* unaddressed device mutex */ - int bandwidth_allocated; /* on this bus: how much of the time * reserved for periodic (intr/iso) * requests is used, on average? @@ -720,7 +719,7 @@ extern void usb_enable_ltm(struct usb_device *udev); static inline bool usb_device_supports_ltm(struct usb_device *udev) { - if (udev->speed != USB_SPEED_SUPER || !udev->bos || !udev->bos->ss_cap) + if (udev->speed < USB_SPEED_SUPER || !udev->bos || !udev->bos->ss_cap) return false; return udev->bos->ss_cap->bmAttributes & USB_LTM_SUPPORT; } @@ -1069,7 +1068,7 @@ struct usbdrv_wrap { * for interfaces bound to this driver. * @soft_unbind: if set to 1, the USB core will not kill URBs and disable * endpoints before calling the driver's disconnect method. - * @disable_hub_initiated_lpm: if set to 0, the USB core will not allow hubs + * @disable_hub_initiated_lpm: if set to 1, the USB core will not allow hubs * to initiate lower power link state transitions when an idle timeout * occurs. Device-initiated USB 3.0 link PM will still be allowed. * @@ -1569,7 +1568,7 @@ static inline void usb_fill_bulk_urb(struct urb *urb, * Initializes a interrupt urb with the proper information needed to submit * it to a device. * - * Note that High Speed and SuperSpeed interrupt endpoints use a logarithmic + * Note that High Speed and SuperSpeed(+) interrupt endpoints use a logarithmic * encoding of the endpoint interval, and express polling intervals in * microframes (eight per millisecond) rather than in frames (one per * millisecond). @@ -1595,7 +1594,7 @@ static inline void usb_fill_int_urb(struct urb *urb, urb->complete = complete_fn; urb->context = context; - if (dev->speed == USB_SPEED_HIGH || dev->speed == USB_SPEED_SUPER) { + if (dev->speed == USB_SPEED_HIGH || dev->speed >= USB_SPEED_SUPER) { /* make sure interval is within allowed range */ interval = clamp(interval, 1, 16); diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 5d4e151c49bf..457651bf45b0 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -1223,9 +1223,13 @@ int usb_otg_descriptor_init(struct usb_gadget *gadget, /* utility to simplify map/unmap of usb_requests to/from DMA */ +extern int usb_gadget_map_request_by_dev(struct device *dev, + struct usb_request *req, int is_in); extern int usb_gadget_map_request(struct usb_gadget *gadget, struct usb_request *req, int is_in); +extern void usb_gadget_unmap_request_by_dev(struct device *dev, + struct usb_request *req, int is_in); extern void usb_gadget_unmap_request(struct usb_gadget *gadget, struct usb_request *req, int is_in); diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index b98f831dcda3..66fc13705ab7 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -181,6 +181,7 @@ struct usb_hcd { * bandwidth_mutex should be dropped after a successful control message * to the device, or resetting the bandwidth after a failed attempt. */ + struct mutex *address0_mutex; struct mutex *bandwidth_mutex; struct usb_hcd *shared_hcd; struct usb_hcd *primary_hcd; diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h index 24198e16f849..7a0350535cb1 100644 --- a/include/linux/usb/otg-fsm.h +++ b/include/linux/usb/otg-fsm.h @@ -72,37 +72,113 @@ enum otg_fsm_timer { NUM_OTG_FSM_TIMERS, }; -/* OTG state machine according to the OTG spec */ +/** + * struct otg_fsm - OTG state machine according to the OTG spec + * + * OTG hardware Inputs + * + * Common inputs for A and B device + * @id: TRUE for B-device, FALSE for A-device. + * @adp_change: TRUE when current ADP measurement (n) value, compared to the + * ADP measurement taken at n-2, differs by more than CADP_THR + * @power_up: TRUE when the OTG device first powers up its USB system and + * ADP measurement taken if ADP capable + * + * A-Device state inputs + * @a_srp_det: TRUE if the A-device detects SRP + * @a_vbus_vld: TRUE when VBUS voltage is in regulation + * @b_conn: TRUE if the A-device detects connection from the B-device + * @a_bus_resume: TRUE when the B-device detects that the A-device is signaling + * a resume (K state) + * B-Device state inputs + * @a_bus_suspend: TRUE when the B-device detects that the A-device has put the + * bus into suspend + * @a_conn: TRUE if the B-device detects a connection from the A-device + * @b_se0_srp: TRUE when the line has been at SE0 for more than the minimum + * time before generating SRP + * @b_ssend_srp: TRUE when the VBUS has been below VOTG_SESS_VLD for more than + * the minimum time before generating SRP + * @b_sess_vld: TRUE when the B-device detects that the voltage on VBUS is + * above VOTG_SESS_VLD + * @test_device: TRUE when the B-device switches to B-Host and detects an OTG + * test device. This must be set by host/hub driver + * + * Application inputs (A-Device) + * @a_bus_drop: TRUE when A-device application needs to power down the bus + * @a_bus_req: TRUE when A-device application wants to use the bus. + * FALSE to suspend the bus + * + * Application inputs (B-Device) + * @b_bus_req: TRUE during the time that the Application running on the + * B-device wants to use the bus + * + * Auxilary inputs (OTG v1.3 only. Obsolete now.) + * @a_sess_vld: TRUE if the A-device detects that VBUS is above VA_SESS_VLD + * @b_bus_suspend: TRUE when the A-device detects that the B-device has put + * the bus into suspend + * @b_bus_resume: TRUE when the A-device detects that the B-device is signaling + * resume on the bus + * + * OTG Output status. Read only for users. Updated by OTG FSM helpers defined + * in this file + * + * Outputs for Both A and B device + * @drv_vbus: TRUE when A-device is driving VBUS + * @loc_conn: TRUE when the local device has signaled that it is connected + * to the bus + * @loc_sof: TRUE when the local device is generating activity on the bus + * @adp_prb: TRUE when the local device is in the process of doing + * ADP probing + * + * Outputs for B-device state + * @adp_sns: TRUE when the B-device is in the process of carrying out + * ADP sensing + * @data_pulse: TRUE when the B-device is performing data line pulsing + * + * Internal Variables + * + * a_set_b_hnp_en: TRUE when the A-device has successfully set the + * b_hnp_enable bit in the B-device. + * Unused as OTG fsm uses otg->host->b_hnp_enable instead + * b_srp_done: TRUE when the B-device has completed initiating SRP + * b_hnp_enable: TRUE when the B-device has accepted the + * SetFeature(b_hnp_enable) B-device. + * Unused as OTG fsm uses otg->gadget->b_hnp_enable instead + * a_clr_err: Asserted (by application ?) to clear a_vbus_err due to an + * overcurrent condition and causes the A-device to transition + * to a_wait_vfall + */ struct otg_fsm { /* Input */ int id; int adp_change; int power_up; - int test_device; - int a_bus_drop; - int a_bus_req; int a_srp_det; int a_vbus_vld; int b_conn; int a_bus_resume; int a_bus_suspend; int a_conn; - int b_bus_req; int b_se0_srp; int b_ssend_srp; int b_sess_vld; + int test_device; + int a_bus_drop; + int a_bus_req; + int b_bus_req; + /* Auxilary inputs */ int a_sess_vld; int b_bus_resume; int b_bus_suspend; /* Output */ - int data_pulse; int drv_vbus; int loc_conn; int loc_sof; int adp_prb; int adp_sns; + int data_pulse; /* Internal variables */ int a_set_b_hnp_en; @@ -110,7 +186,7 @@ struct otg_fsm { int b_hnp_enable; int a_clr_err; - /* Informative variables */ + /* Informative variables. All unused as of now */ int a_bus_drop_inf; int a_bus_req_inf; int a_clr_err_inf; @@ -134,6 +210,7 @@ struct otg_fsm { struct mutex lock; u8 *host_req_flag; struct delayed_work hnp_polling_work; + bool state_changed; }; struct otg_fsm_ops { diff --git a/include/net/act_api.h b/include/net/act_api.h index 2cd9e9bb059a..9a9a8edc138f 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -192,7 +192,7 @@ static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes, #else /* CONFIG_NET_CLS_ACT */ #define tc_no_actions(_exts) true -#define tc_for_each_action(_a, _exts) while (0) +#define tc_for_each_action(_a, _exts) while ((void)(_a), 0) #define tcf_action_stats_update(a, bytes, packets, lastuse) #endif /* CONFIG_NET_CLS_ACT */ diff --git a/include/net/fou.h b/include/net/fou.h index 19b8a0c62a98..f5cc6910a27e 100644 --- a/include/net/fou.h +++ b/include/net/fou.h @@ -9,11 +9,11 @@ #include <net/udp.h> size_t fou_encap_hlen(struct ip_tunnel_encap *e); -static size_t gue_encap_hlen(struct ip_tunnel_encap *e); +size_t gue_encap_hlen(struct ip_tunnel_encap *e); -int fou_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e, - u8 *protocol, struct flowi4 *fl4); -int gue_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e, - u8 *protocol, struct flowi4 *fl4); +int __fou_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e, + u8 *protocol, __be16 *sport, int type); +int __gue_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e, + u8 *protocol, __be16 *sport, int type); #endif diff --git a/include/net/inet_common.h b/include/net/inet_common.h index 109e3ee9108c..5d683428fced 100644 --- a/include/net/inet_common.h +++ b/include/net/inet_common.h @@ -39,6 +39,11 @@ int inet_ctl_sock_create(struct sock **sk, unsigned short family, int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len); +struct sk_buff **inet_gro_receive(struct sk_buff **head, struct sk_buff *skb); +int inet_gro_complete(struct sk_buff *skb, int nhoff); +struct sk_buff *inet_gso_segment(struct sk_buff *skb, + netdev_features_t features); + static inline void inet_ctl_sock_destroy(struct sock *sk) { if (sk) diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h index fb9e0153f4f2..d325c81332e3 100644 --- a/include/net/ip6_tunnel.h +++ b/include/net/ip6_tunnel.h @@ -52,10 +52,68 @@ struct ip6_tnl { __u32 o_seqno; /* The last output seqno */ int hlen; /* tun_hlen + encap_hlen */ int tun_hlen; /* Precalculated header length */ + int encap_hlen; /* Encap header length (FOU,GUE) */ + struct ip_tunnel_encap encap; int mlink; +}; +struct ip6_tnl_encap_ops { + size_t (*encap_hlen)(struct ip_tunnel_encap *e); + int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e, + u8 *protocol, struct flowi6 *fl6); }; +extern const struct ip6_tnl_encap_ops __rcu * + ip6tun_encaps[MAX_IPTUN_ENCAP_OPS]; + +int ip6_tnl_encap_add_ops(const struct ip6_tnl_encap_ops *ops, + unsigned int num); +int ip6_tnl_encap_del_ops(const struct ip6_tnl_encap_ops *ops, + unsigned int num); +int ip6_tnl_encap_setup(struct ip6_tnl *t, + struct ip_tunnel_encap *ipencap); + +static inline int ip6_encap_hlen(struct ip_tunnel_encap *e) +{ + const struct ip6_tnl_encap_ops *ops; + int hlen = -EINVAL; + + if (e->type == TUNNEL_ENCAP_NONE) + return 0; + + if (e->type >= MAX_IPTUN_ENCAP_OPS) + return -EINVAL; + + rcu_read_lock(); + ops = rcu_dereference(ip6tun_encaps[e->type]); + if (likely(ops && ops->encap_hlen)) + hlen = ops->encap_hlen(e); + rcu_read_unlock(); + + return hlen; +} + +static inline int ip6_tnl_encap(struct sk_buff *skb, struct ip6_tnl *t, + u8 *protocol, struct flowi6 *fl6) +{ + const struct ip6_tnl_encap_ops *ops; + int ret = -EINVAL; + + if (t->encap.type == TUNNEL_ENCAP_NONE) + return 0; + + if (t->encap.type >= MAX_IPTUN_ENCAP_OPS) + return -EINVAL; + + rcu_read_lock(); + ops = rcu_dereference(ip6tun_encaps[t->encap.type]); + if (likely(ops && ops->build_header)) + ret = ops->build_header(skb, &t->encap, protocol, fl6); + rcu_read_unlock(); + + return ret; +} + /* Tunnel encapsulation limit destination sub-option */ struct ipv6_tlv_tnl_enc_lim { diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index d916b4315903..dbf444428437 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -171,22 +171,6 @@ struct ip_tunnel_net { struct ip_tunnel __rcu *collect_md_tun; }; -struct ip_tunnel_encap_ops { - size_t (*encap_hlen)(struct ip_tunnel_encap *e); - int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e, - u8 *protocol, struct flowi4 *fl4); -}; - -#define MAX_IPTUN_ENCAP_OPS 8 - -extern const struct ip_tunnel_encap_ops __rcu * - iptun_encaps[MAX_IPTUN_ENCAP_OPS]; - -int ip_tunnel_encap_add_ops(const struct ip_tunnel_encap_ops *op, - unsigned int num); -int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op, - unsigned int num); - static inline void ip_tunnel_key_init(struct ip_tunnel_key *key, __be32 saddr, __be32 daddr, u8 tos, u8 ttl, __be32 label, @@ -251,8 +235,6 @@ void ip_tunnel_delete_net(struct ip_tunnel_net *itn, struct rtnl_link_ops *ops); void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, const struct iphdr *tnl_params, const u8 protocol); int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd); -int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t, - u8 *protocol, struct flowi4 *fl4); int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict); int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu); @@ -271,9 +253,67 @@ int ip_tunnel_changelink(struct net_device *dev, struct nlattr *tb[], int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[], struct ip_tunnel_parm *p); void ip_tunnel_setup(struct net_device *dev, int net_id); + +struct ip_tunnel_encap_ops { + size_t (*encap_hlen)(struct ip_tunnel_encap *e); + int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e, + u8 *protocol, struct flowi4 *fl4); +}; + +#define MAX_IPTUN_ENCAP_OPS 8 + +extern const struct ip_tunnel_encap_ops __rcu * + iptun_encaps[MAX_IPTUN_ENCAP_OPS]; + +int ip_tunnel_encap_add_ops(const struct ip_tunnel_encap_ops *op, + unsigned int num); +int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op, + unsigned int num); + int ip_tunnel_encap_setup(struct ip_tunnel *t, struct ip_tunnel_encap *ipencap); +static inline int ip_encap_hlen(struct ip_tunnel_encap *e) +{ + const struct ip_tunnel_encap_ops *ops; + int hlen = -EINVAL; + + if (e->type == TUNNEL_ENCAP_NONE) + return 0; + + if (e->type >= MAX_IPTUN_ENCAP_OPS) + return -EINVAL; + + rcu_read_lock(); + ops = rcu_dereference(iptun_encaps[e->type]); + if (likely(ops && ops->encap_hlen)) + hlen = ops->encap_hlen(e); + rcu_read_unlock(); + + return hlen; +} + +static inline int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t, + u8 *protocol, struct flowi4 *fl4) +{ + const struct ip_tunnel_encap_ops *ops; + int ret = -EINVAL; + + if (t->encap.type == TUNNEL_ENCAP_NONE) + return 0; + + if (t->encap.type >= MAX_IPTUN_ENCAP_OPS) + return -EINVAL; + + rcu_read_lock(); + ops = rcu_dereference(iptun_encaps[t->encap.type]); + if (likely(ops && ops->build_header)) + ret = ops->build_header(skb, &t->encap, protocol, fl4); + rcu_read_unlock(); + + return ret; +} + /* Extract dsfield from inner protocol */ static inline u8 ip_tunnel_get_dsfield(const struct iphdr *iph, const struct sk_buff *skb) diff --git a/include/net/sock.h b/include/net/sock.h index c9c8b19df27c..649d2a8c17fc 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -382,8 +382,13 @@ struct sock { atomic_t sk_omem_alloc; int sk_sndbuf; struct sk_buff_head sk_write_queue; + + /* + * Because of non atomicity rules, all + * changes are protected by socket lock. + */ kmemcheck_bitfield_begin(flags); - unsigned int sk_shutdown : 2, + unsigned int sk_padding : 2, sk_no_check_tx : 1, sk_no_check_rx : 1, sk_userlocks : 4, @@ -391,6 +396,7 @@ struct sock { sk_type : 16; #define SK_PROTOCOL_MAX U8_MAX kmemcheck_bitfield_end(flags); + int sk_wmem_queued; gfp_t sk_allocation; u32 sk_pacing_rate; /* bytes per second */ @@ -418,6 +424,7 @@ struct sock { struct timer_list sk_timer; ktime_t sk_stamp; u16 sk_tsflags; + u8 sk_shutdown; u32 sk_tskey; struct socket *sk_socket; void *sk_user_data; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index fb2cef4e9747..fc0320c004a3 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -220,6 +220,7 @@ enum ib_device_cap_flags { IB_DEVICE_ON_DEMAND_PAGING = (1 << 31), IB_DEVICE_SG_GAPS_REG = (1ULL << 32), IB_DEVICE_VIRTUAL_FUNCTION = ((u64)1 << 33), + IB_DEVICE_RAW_SCATTER_FCS = ((u64)1 << 34), }; enum ib_signature_prot_cap { @@ -931,6 +932,13 @@ struct ib_qp_cap { u32 max_send_sge; u32 max_recv_sge; u32 max_inline_data; + + /* + * Maximum number of rdma_rw_ctx structures in flight at a time. + * ib_create_qp() will calculate the right amount of neededed WRs + * and MRs based on this. + */ + u32 max_rdma_ctxs; }; enum ib_sig_type { @@ -981,6 +989,7 @@ enum ib_qp_create_flags { IB_QP_CREATE_NETIF_QP = 1 << 5, IB_QP_CREATE_SIGNATURE_EN = 1 << 6, IB_QP_CREATE_USE_GFP_NOIO = 1 << 7, + IB_QP_CREATE_SCATTER_FCS = 1 << 8, /* reserve bits 26-31 for low level drivers' internal use */ IB_QP_CREATE_RESERVED_START = 1 << 26, IB_QP_CREATE_RESERVED_END = 1 << 31, @@ -1002,7 +1011,11 @@ struct ib_qp_init_attr { enum ib_sig_type sq_sig_type; enum ib_qp_type qp_type; enum ib_qp_create_flags create_flags; - u8 port_num; /* special QP types only */ + + /* + * Only needed for special QP types, or when using the RW API. + */ + u8 port_num; }; struct ib_qp_open_attr { @@ -1421,9 +1434,14 @@ struct ib_qp { struct ib_pd *pd; struct ib_cq *send_cq; struct ib_cq *recv_cq; + spinlock_t mr_lock; + int mrs_used; + struct list_head rdma_mrs; + struct list_head sig_mrs; struct ib_srq *srq; struct ib_xrcd *xrcd; /* XRC TGT QPs only */ struct list_head xrcd_list; + /* count times opened, mcast attaches, flow attaches */ atomic_t usecnt; struct list_head open_list; @@ -1438,12 +1456,16 @@ struct ib_qp { struct ib_mr { struct ib_device *device; struct ib_pd *pd; - struct ib_uobject *uobject; u32 lkey; u32 rkey; u64 iova; u32 length; unsigned int page_size; + bool need_inval; + union { + struct ib_uobject *uobject; /* user */ + struct list_head qp_entry; /* FR */ + }; }; struct ib_mw { @@ -1827,7 +1849,8 @@ struct ib_device { u32 max_num_sg); int (*map_mr_sg)(struct ib_mr *mr, struct scatterlist *sg, - int sg_nents); + int sg_nents, + unsigned int *sg_offset); struct ib_mw * (*alloc_mw)(struct ib_pd *pd, enum ib_mw_type type, struct ib_udata *udata); @@ -2317,6 +2340,18 @@ static inline bool rdma_cap_roce_gid_table(const struct ib_device *device, device->add_gid && device->del_gid; } +/* + * Check if the device supports READ W/ INVALIDATE. + */ +static inline bool rdma_cap_read_inv(struct ib_device *dev, u32 port_num) +{ + /* + * iWarp drivers must support READ W/ INVALIDATE. No other protocol + * has support for it yet. + */ + return rdma_protocol_iwarp(dev, port_num); +} + int ib_query_gid(struct ib_device *device, u8 port_num, int index, union ib_gid *gid, struct ib_gid_attr *attr); @@ -3111,29 +3146,23 @@ struct net_device *ib_get_net_dev_by_params(struct ib_device *dev, u8 port, u16 pkey, const union ib_gid *gid, const struct sockaddr *addr); -int ib_map_mr_sg(struct ib_mr *mr, - struct scatterlist *sg, - int sg_nents, - unsigned int page_size); +int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, + unsigned int *sg_offset, unsigned int page_size); static inline int -ib_map_mr_sg_zbva(struct ib_mr *mr, - struct scatterlist *sg, - int sg_nents, - unsigned int page_size) +ib_map_mr_sg_zbva(struct ib_mr *mr, struct scatterlist *sg, int sg_nents, + unsigned int *sg_offset, unsigned int page_size) { int n; - n = ib_map_mr_sg(mr, sg, sg_nents, page_size); + n = ib_map_mr_sg(mr, sg, sg_nents, sg_offset, page_size); mr->iova = 0; return n; } -int ib_sg_to_pages(struct ib_mr *mr, - struct scatterlist *sgl, - int sg_nents, - int (*set_page)(struct ib_mr *, u64)); +int ib_sg_to_pages(struct ib_mr *mr, struct scatterlist *sgl, int sg_nents, + unsigned int *sg_offset, int (*set_page)(struct ib_mr *, u64)); void ib_drain_rq(struct ib_qp *qp); void ib_drain_sq(struct ib_qp *qp); diff --git a/include/rdma/mr_pool.h b/include/rdma/mr_pool.h new file mode 100644 index 000000000000..986010b812eb --- /dev/null +++ b/include/rdma/mr_pool.h @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2016 HGST, a Western Digital Company. + * + * 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. + * + * This program is distributed in the hope 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. + */ +#ifndef _RDMA_MR_POOL_H +#define _RDMA_MR_POOL_H 1 + +#include <rdma/ib_verbs.h> + +struct ib_mr *ib_mr_pool_get(struct ib_qp *qp, struct list_head *list); +void ib_mr_pool_put(struct ib_qp *qp, struct list_head *list, struct ib_mr *mr); + +int ib_mr_pool_init(struct ib_qp *qp, struct list_head *list, int nr, + enum ib_mr_type type, u32 max_num_sg); +void ib_mr_pool_destroy(struct ib_qp *qp, struct list_head *list); + +#endif /* _RDMA_MR_POOL_H */ diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index a8696551abb1..d57ceee90d26 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -467,6 +467,7 @@ static inline struct rvt_qp *rvt_lookup_qpn(struct rvt_dev_info *rdi, } struct rvt_dev_info *rvt_alloc_device(size_t size, int nports); +void rvt_dealloc_device(struct rvt_dev_info *rdi); int rvt_register_device(struct rvt_dev_info *rvd); void rvt_unregister_device(struct rvt_dev_info *rvd); int rvt_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr); diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index 497e59065c2c..0e1ff2abfe92 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -117,8 +117,9 @@ /* * Wait flags that would prevent any packet type from being sent. */ -#define RVT_S_ANY_WAIT_IO (RVT_S_WAIT_PIO | RVT_S_WAIT_TX | \ - RVT_S_WAIT_DMA_DESC | RVT_S_WAIT_KMEM) +#define RVT_S_ANY_WAIT_IO \ + (RVT_S_WAIT_PIO | RVT_S_WAIT_PIO_DRAIN | RVT_S_WAIT_TX | \ + RVT_S_WAIT_DMA_DESC | RVT_S_WAIT_KMEM) /* * Wait flags that would prevent send work requests from making progress. diff --git a/include/rdma/rw.h b/include/rdma/rw.h new file mode 100644 index 000000000000..377d865e506d --- /dev/null +++ b/include/rdma/rw.h @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2016 HGST, a Western Digital Company. + * + * 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. + * + * This program is distributed in the hope 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. + */ +#ifndef _RDMA_RW_H +#define _RDMA_RW_H + +#include <linux/dma-mapping.h> +#include <linux/scatterlist.h> +#include <rdma/ib_verbs.h> +#include <rdma/rdma_cm.h> +#include <rdma/mr_pool.h> + +struct rdma_rw_ctx { + /* number of RDMA READ/WRITE WRs (not counting MR WRs) */ + u32 nr_ops; + + /* tag for the union below: */ + u8 type; + + union { + /* for mapping a single SGE: */ + struct { + struct ib_sge sge; + struct ib_rdma_wr wr; + } single; + + /* for mapping of multiple SGEs: */ + struct { + struct ib_sge *sges; + struct ib_rdma_wr *wrs; + } map; + + /* for registering multiple WRs: */ + struct rdma_rw_reg_ctx { + struct ib_sge sge; + struct ib_rdma_wr wr; + struct ib_reg_wr reg_wr; + struct ib_send_wr inv_wr; + struct ib_mr *mr; + } *reg; + + struct { + struct rdma_rw_reg_ctx data; + struct rdma_rw_reg_ctx prot; + struct ib_send_wr sig_inv_wr; + struct ib_mr *sig_mr; + struct ib_sge sig_sge; + struct ib_sig_handover_wr sig_wr; + } *sig; + }; +}; + +int rdma_rw_ctx_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num, + struct scatterlist *sg, u32 sg_cnt, u32 sg_offset, + u64 remote_addr, u32 rkey, enum dma_data_direction dir); +void rdma_rw_ctx_destroy(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num, + struct scatterlist *sg, u32 sg_cnt, + enum dma_data_direction dir); + +int rdma_rw_ctx_signature_init(struct rdma_rw_ctx *ctx, struct ib_qp *qp, + u8 port_num, struct scatterlist *sg, u32 sg_cnt, + struct scatterlist *prot_sg, u32 prot_sg_cnt, + struct ib_sig_attrs *sig_attrs, u64 remote_addr, u32 rkey, + enum dma_data_direction dir); +void rdma_rw_ctx_destroy_signature(struct rdma_rw_ctx *ctx, struct ib_qp *qp, + u8 port_num, struct scatterlist *sg, u32 sg_cnt, + struct scatterlist *prot_sg, u32 prot_sg_cnt, + enum dma_data_direction dir); + +struct ib_send_wr *rdma_rw_ctx_wrs(struct rdma_rw_ctx *ctx, struct ib_qp *qp, + u8 port_num, struct ib_cqe *cqe, struct ib_send_wr *chain_wr); +int rdma_rw_ctx_post(struct rdma_rw_ctx *ctx, struct ib_qp *qp, u8 port_num, + struct ib_cqe *cqe, struct ib_send_wr *chain_wr); + +void rdma_rw_init_qp(struct ib_device *dev, struct ib_qp_init_attr *attr); +int rdma_rw_init_mrs(struct ib_qp *qp, struct ib_qp_init_attr *attr); +void rdma_rw_cleanup_mrs(struct ib_qp *qp); + +#endif /* _RDMA_RW_H */ diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index 28ee5c2e6bcd..d8ab5101fad5 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -85,7 +85,6 @@ extern struct configfs_attribute *passthrough_attrib_attrs[]; void *transport_kmap_data_sg(struct se_cmd *); void transport_kunmap_data_sg(struct se_cmd *); /* core helpers also used by xcopy during internal command setup */ -int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool); sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *, struct scatterlist *, u32, struct scatterlist *, u32); diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h index 8ff6d40a294f..78d88f03b296 100644 --- a/include/target/target_core_fabric.h +++ b/include/target/target_core_fabric.h @@ -185,6 +185,10 @@ int core_tpg_set_initiator_node_tag(struct se_portal_group *, int core_tpg_register(struct se_wwn *, struct se_portal_group *, int); int core_tpg_deregister(struct se_portal_group *); +int target_alloc_sgl(struct scatterlist **sgl, unsigned int *nents, + u32 length, bool zero_page, bool chainable); +void target_free_sgl(struct scatterlist *sgl, int nents); + /* * The LIO target core uses DMA_TO_DEVICE to mean that data is going * to the target (eg handling a WRITE) and DMA_FROM_DEVICE to mean diff --git a/include/uapi/linux/coresight-stm.h b/include/uapi/linux/coresight-stm.h new file mode 100644 index 000000000000..7e4272cf1fb2 --- /dev/null +++ b/include/uapi/linux/coresight-stm.h @@ -0,0 +1,21 @@ +#ifndef __UAPI_CORESIGHT_STM_H_ +#define __UAPI_CORESIGHT_STM_H_ + +#define STM_FLAG_TIMESTAMPED BIT(3) +#define STM_FLAG_GUARANTEED BIT(7) + +/* + * The CoreSight STM supports guaranteed and invariant timing + * transactions. Guaranteed transactions are guaranteed to be + * traced, this might involve stalling the bus or system to + * ensure the transaction is accepted by the STM. While invariant + * timing transactions are not guaranteed to be traced, they + * will take an invariant amount of time regardless of the + * state of the STM. + */ +enum { + STM_OPTION_GUARANTEED = 0, + STM_OPTION_INVARIANT, +}; + +#endif diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h index c077617f3304..b0916fc72cce 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -38,6 +38,7 @@ enum iio_chan_type { IIO_CONCENTRATION, IIO_RESISTANCE, IIO_PH, + IIO_UVINDEX, }; enum iio_modifier { @@ -77,6 +78,7 @@ enum iio_modifier { IIO_MOD_Q, IIO_MOD_CO2, IIO_MOD_VOC, + IIO_MOD_LIGHT_UV, }; enum iio_event_type { diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h index d5e38c73377c..e4f048ee7043 100644 --- a/include/uapi/linux/libc-compat.h +++ b/include/uapi/linux/libc-compat.h @@ -52,7 +52,7 @@ #if defined(__GLIBC__) /* Coordinate with glibc net/if.h header. */ -#if defined(_NET_IF_H) +#if defined(_NET_IF_H) && defined(__USE_MISC) /* GLIBC headers included first so don't define anything * that would already be defined. */ diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h index 24da334af7f1..99dbed8a8874 100644 --- a/include/uapi/linux/serial_core.h +++ b/include/uapi/linux/serial_core.h @@ -267,4 +267,7 @@ /* Microchip PIC32 UART */ #define PORT_PIC32 115 +/* MPS2 UART */ +#define PORT_MPS2UART 116 + #endif /* _UAPILINUX_SERIAL_CORE_H */ diff --git a/include/uapi/linux/sync_file.h b/include/uapi/linux/sync_file.h new file mode 100644 index 000000000000..413303d37b56 --- /dev/null +++ b/include/uapi/linux/sync_file.h @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2012 Google, Inc. + * + * 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. + * + */ + +#ifndef _UAPI_LINUX_SYNC_H +#define _UAPI_LINUX_SYNC_H + +#include <linux/ioctl.h> +#include <linux/types.h> + +/** + * struct sync_merge_data - data passed to merge ioctl + * @name: name of new fence + * @fd2: file descriptor of second fence + * @fence: returns the fd of the new fence to userspace + * @flags: merge_data flags + * @pad: padding for 64-bit alignment, should always be zero + */ +struct sync_merge_data { + char name[32]; + __s32 fd2; + __s32 fence; + __u32 flags; + __u32 pad; +}; + +/** + * struct sync_fence_info - detailed fence information + * @obj_name: name of parent sync_timeline +* @driver_name: name of driver implementing the parent +* @status: status of the fence 0:active 1:signaled <0:error + * @flags: fence_info flags + * @timestamp_ns: timestamp of status change in nanoseconds + */ +struct sync_fence_info { + char obj_name[32]; + char driver_name[32]; + __s32 status; + __u32 flags; + __u64 timestamp_ns; +}; + +/** + * struct sync_file_info - data returned from fence info ioctl + * @name: name of fence + * @status: status of fence. 1: signaled 0:active <0:error + * @flags: sync_file_info flags + * @num_fences number of fences in the sync_file + * @pad: padding for 64-bit alignment, should always be zero + * @sync_fence_info: pointer to array of structs sync_fence_info with all + * fences in the sync_file + */ +struct sync_file_info { + char name[32]; + __s32 status; + __u32 flags; + __u32 num_fences; + __u32 pad; + + __u64 sync_fence_info; +}; + +#define SYNC_IOC_MAGIC '>' + +/** + * Opcodes 0, 1 and 2 were burned during a API change to avoid users of the + * old API to get weird errors when trying to handling sync_files. The API + * change happened during the de-stage of the Sync Framework when there was + * no upstream users available. + */ + +/** + * DOC: SYNC_IOC_MERGE - merge two fences + * + * Takes a struct sync_merge_data. Creates a new fence containing copies of + * the sync_pts in both the calling fd and sync_merge_data.fd2. Returns the + * new fence's fd in sync_merge_data.fence + */ +#define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 3, struct sync_merge_data) + +/** + * DOC: SYNC_IOC_FENCE_INFO - get detailed information on a fence + * + * Takes a struct sync_file_info_data with extra space allocated for pt_info. + * Caller should write the size of the buffer into len. On return, len is + * updated to reflect the total size of the sync_file_info_data including + * pt_info. + * + * pt_info is a buffer containing sync_pt_infos for every sync_pt in the fence. + * To iterate over the sync_pt_infos, use the sync_pt_info.len field. + */ +#define SYNC_IOC_FILE_INFO _IOWR(SYNC_IOC_MAGIC, 4, struct sync_file_info) + +#endif /* _UAPI_LINUX_SYNC_H */ diff --git a/include/uapi/linux/tty_flags.h b/include/uapi/linux/tty_flags.h index 072e41e45ee2..66e4d8bcb16f 100644 --- a/include/uapi/linux/tty_flags.h +++ b/include/uapi/linux/tty_flags.h @@ -32,7 +32,13 @@ #define ASYNCB_MAGIC_MULTIPLIER 16 /* Use special CLK or divisor */ #define ASYNCB_LAST_USER 16 -/* Internal flags used only by kernel */ +/* + * Internal flags used only by kernel (read-only) + * + * WARNING: These flags are no longer used and have been superceded by the + * TTY_PORT_ flags in the iflags field (and not userspace-visible) + */ +#ifndef _KERNEL_ #define ASYNCB_INITIALIZED 31 /* Serial port was initialized */ #define ASYNCB_SUSPENDED 30 /* Serial port is suspended */ #define ASYNCB_NORMAL_ACTIVE 29 /* Normal device is active */ @@ -43,7 +49,9 @@ #define ASYNCB_SHARE_IRQ 24 /* for multifunction cards, no longer used */ #define ASYNCB_CONS_FLOW 23 /* flow control for console */ #define ASYNCB_FIRST_KERNEL 22 +#endif +/* Masks */ #define ASYNC_HUP_NOTIFY (1U << ASYNCB_HUP_NOTIFY) #define ASYNC_SUSPENDED (1U << ASYNCB_SUSPENDED) #define ASYNC_FOURPORT (1U << ASYNCB_FOURPORT) @@ -72,6 +80,8 @@ #define ASYNC_SPD_WARP (ASYNC_SPD_HI|ASYNC_SPD_SHI) #define ASYNC_SPD_MASK (ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI) +#ifndef _KERNEL_ +/* These flags are no longer used (and were always masked from userspace) */ #define ASYNC_INITIALIZED (1U << ASYNCB_INITIALIZED) #define ASYNC_NORMAL_ACTIVE (1U << ASYNCB_NORMAL_ACTIVE) #define ASYNC_BOOT_AUTOCONF (1U << ASYNCB_BOOT_AUTOCONF) @@ -81,5 +91,6 @@ #define ASYNC_SHARE_IRQ (1U << ASYNCB_SHARE_IRQ) #define ASYNC_CONS_FLOW (1U << ASYNCB_CONS_FLOW) #define ASYNC_INTERNAL_FLAGS (~((1U << ASYNCB_FIRST_KERNEL) - 1)) +#endif #endif diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index d5ce71607972..a8acc24765fe 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -105,6 +105,13 @@ #define USB_REQ_LOOPBACK_DATA_READ 0x16 #define USB_REQ_SET_INTERFACE_DS 0x17 +/* specific requests for USB Power Delivery */ +#define USB_REQ_GET_PARTNER_PDO 20 +#define USB_REQ_GET_BATTERY_STATUS 21 +#define USB_REQ_SET_PDO 22 +#define USB_REQ_GET_VDM 23 +#define USB_REQ_SEND_VDM 24 + /* The Link Power Management (LPM) ECN defines USB_REQ_TEST_AND_SET command, * used by hubs to put ports into a new L1 suspend state, except that it * forgot to define its number ... @@ -165,6 +172,22 @@ #define USB_DEV_STAT_U2_ENABLED 3 /* transition into U2 state */ #define USB_DEV_STAT_LTM_ENABLED 4 /* Latency tolerance messages */ +/* + * Feature selectors from Table 9-8 USB Power Delivery spec + */ +#define USB_DEVICE_BATTERY_WAKE_MASK 40 +#define USB_DEVICE_OS_IS_PD_AWARE 41 +#define USB_DEVICE_POLICY_MODE 42 +#define USB_PORT_PR_SWAP 43 +#define USB_PORT_GOTO_MIN 44 +#define USB_PORT_RETURN_POWER 45 +#define USB_PORT_ACCEPT_PD_REQUEST 46 +#define USB_PORT_REJECT_PD_REQUEST 47 +#define USB_PORT_PORT_PD_RESET 48 +#define USB_PORT_C_PORT_PD_CHANGE 49 +#define USB_PORT_CABLE_PD_RESET 50 +#define USB_DEVICE_CHARGING_POLICY 54 + /** * struct usb_ctrlrequest - SETUP data for a USB device control request * @bRequestType: matches the USB bmRequestType field @@ -914,6 +937,104 @@ struct usb_ssp_cap_descriptor { } __attribute__((packed)); /* + * USB Power Delivery Capability Descriptor: + * Defines capabilities for PD + */ +/* Defines the various PD Capabilities of this device */ +#define USB_PD_POWER_DELIVERY_CAPABILITY 0x06 +/* Provides information on each battery supported by the device */ +#define USB_PD_BATTERY_INFO_CAPABILITY 0x07 +/* The Consumer characteristics of a Port on the device */ +#define USB_PD_PD_CONSUMER_PORT_CAPABILITY 0x08 +/* The provider characteristics of a Port on the device */ +#define USB_PD_PD_PROVIDER_PORT_CAPABILITY 0x09 + +struct usb_pd_cap_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; /* set to USB_PD_POWER_DELIVERY_CAPABILITY */ + __u8 bReserved; + __le32 bmAttributes; +#define USB_PD_CAP_BATTERY_CHARGING (1 << 1) /* supports Battery Charging specification */ +#define USB_PD_CAP_USB_PD (1 << 2) /* supports USB Power Delivery specification */ +#define USB_PD_CAP_PROVIDER (1 << 3) /* can provide power */ +#define USB_PD_CAP_CONSUMER (1 << 4) /* can consume power */ +#define USB_PD_CAP_CHARGING_POLICY (1 << 5) /* supports CHARGING_POLICY feature */ +#define USB_PD_CAP_TYPE_C_CURRENT (1 << 6) /* supports power capabilities defined in the USB Type-C Specification */ + +#define USB_PD_CAP_PWR_AC (1 << 8) +#define USB_PD_CAP_PWR_BAT (1 << 9) +#define USB_PD_CAP_PWR_USE_V_BUS (1 << 14) + + __le16 bmProviderPorts; /* Bit zero refers to the UFP of the device */ + __le16 bmConsumerPorts; + __le16 bcdBCVersion; + __le16 bcdPDVersion; + __le16 bcdUSBTypeCVersion; +} __attribute__((packed)); + +struct usb_pd_cap_battery_info_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + /* Index of string descriptor shall contain the user friendly name for this battery */ + __u8 iBattery; + /* Index of string descriptor shall contain the Serial Number String for this battery */ + __u8 iSerial; + __u8 iManufacturer; + __u8 bBatteryId; /* uniquely identifies this battery in status Messages */ + __u8 bReserved; + /* + * Shall contain the Battery Charge value above which this + * battery is considered to be fully charged but not necessarily + * “topped off.” + */ + __le32 dwChargedThreshold; /* in mWh */ + /* + * Shall contain the minimum charge level of this battery such + * that above this threshold, a device can be assured of being + * able to power up successfully (see Battery Charging 1.2). + */ + __le32 dwWeakThreshold; /* in mWh */ + __le32 dwBatteryDesignCapacity; /* in mWh */ + __le32 dwBatteryLastFullchargeCapacity; /* in mWh */ +} __attribute__((packed)); + +struct usb_pd_cap_consumer_port_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + __u8 bReserved; + __u8 bmCapabilities; +/* port will oerate under: */ +#define USB_PD_CAP_CONSUMER_BC (1 << 0) /* BC */ +#define USB_PD_CAP_CONSUMER_PD (1 << 1) /* PD */ +#define USB_PD_CAP_CONSUMER_TYPE_C (1 << 2) /* USB Type-C Current */ + __le16 wMinVoltage; /* in 50mV units */ + __le16 wMaxVoltage; /* in 50mV units */ + __u16 wReserved; + __le32 dwMaxOperatingPower; /* in 10 mW - operating at steady state */ + __le32 dwMaxPeakPower; /* in 10mW units - operating at peak power */ + __le32 dwMaxPeakPowerTime; /* in 100ms units - duration of peak */ +#define USB_PD_CAP_CONSUMER_UNKNOWN_PEAK_POWER_TIME 0xffff +} __attribute__((packed)); + +struct usb_pd_cap_provider_port_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; + __u8 bReserved1; + __u8 bmCapabilities; +/* port will oerate under: */ +#define USB_PD_CAP_PROVIDER_BC (1 << 0) /* BC */ +#define USB_PD_CAP_PROVIDER_PD (1 << 1) /* PD */ +#define USB_PD_CAP_PROVIDER_TYPE_C (1 << 2) /* USB Type-C Current */ + __u8 bNumOfPDObjects; + __u8 bReserved2; + __le32 wPowerDataObject[]; +} __attribute__((packed)); + +/* * Precision time measurement capability descriptor: advertised by devices and * hubs that support PTM */ diff --git a/include/uapi/linux/vt.h b/include/uapi/linux/vt.h index 978578bd1895..f69034887e68 100644 --- a/include/uapi/linux/vt.h +++ b/include/uapi/linux/vt.h @@ -8,7 +8,6 @@ */ #define MIN_NR_CONSOLES 1 /* must be at least 1 */ #define MAX_NR_CONSOLES 63 /* serial lines start at 64 */ -#define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */ /* Note: the ioctl VT_GETSTATE does not work for consoles 16 and higher (since it returns a short) */ diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 8126c143a519..b6543d73d20a 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -226,6 +226,7 @@ struct ib_uverbs_ex_query_device_resp { struct ib_uverbs_odp_caps odp_caps; __u64 timestamp_mask; __u64 hca_core_clock; /* in KHZ */ + __u64 device_cap_flags_ex; }; struct ib_uverbs_query_port { |