diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/agp/intel-gtt.c | 4 | ||||
| -rw-r--r-- | drivers/iommu/Kconfig | 25 | ||||
| -rw-r--r-- | drivers/iommu/Makefile | 5 | ||||
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 10 | ||||
| -rw-r--r-- | drivers/pci/quirks.c | 2 |
5 files changed, 26 insertions, 20 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 85151019dde1..2774ac1086d3 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -30,10 +30,10 @@ /* * If we have Intel graphics, we're not going to have anything other than * an Intel IOMMU. So make the correct use of the PCI DMA API contingent - * on the Intel IOMMU support (CONFIG_DMAR). + * on the Intel IOMMU support (CONFIG_INTEL_IOMMU). * Only newer chipsets need to bother with this, of course. */ -#ifdef CONFIG_DMAR +#ifdef CONFIG_INTEL_IOMMU #define USE_PCI_DMA_API 1 #else #define USE_PCI_DMA_API 0 diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index b57b3fa492f3..7d7eaa15e773 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -59,10 +59,14 @@ config AMD_IOMMU_STATS If unsure, say N. # Intel IOMMU support -config DMAR - bool "Support for DMA Remapping Devices" +config DMAR_TABLE + bool + +config INTEL_IOMMU + bool "Support for Intel IOMMU using DMA Remapping Devices" depends on PCI_MSI && ACPI && (X86 || IA64_GENERIC) select IOMMU_API + select DMAR_TABLE help DMA remapping (DMAR) devices support enables independent address translations for Direct Memory Access (DMA) from devices. @@ -70,18 +74,18 @@ config DMAR and include PCI device scope covered by these DMA remapping devices. -config DMAR_DEFAULT_ON +config INTEL_IOMMU_DEFAULT_ON def_bool y - prompt "Enable DMA Remapping Devices by default" - depends on DMAR + prompt "Enable Intel DMA Remapping Devices by default" + depends on INTEL_IOMMU help Selecting this option will enable a DMAR device at boot time if one is found. If this option is not selected, DMAR support can be enabled by passing intel_iommu=on to the kernel. -config DMAR_BROKEN_GFX_WA +config INTEL_IOMMU_BROKEN_GFX_WA bool "Workaround broken graphics drivers (going away soon)" - depends on DMAR && BROKEN && X86 + depends on INTEL_IOMMU && BROKEN && X86 ---help--- Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config @@ -90,18 +94,19 @@ config DMAR_BROKEN_GFX_WA to use physical addresses for DMA, at least until this option is removed in the 2.6.32 kernel. -config DMAR_FLOPPY_WA +config INTEL_IOMMU_FLOPPY_WA def_bool y - depends on DMAR && X86 + depends on INTEL_IOMMU && X86 ---help--- Floppy disk drivers are known to bypass DMA API calls thereby failing to work when IOMMU is enabled. This workaround will setup a 1:1 mapping for the first 16MiB to make floppy (an ISA device) work. -config INTR_REMAP +config IRQ_REMAP bool "Support for Interrupt Remapping (EXPERIMENTAL)" depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL + select DMAR_TABLE ---help--- Supports Interrupt remapping for IO-APIC and MSI devices. To use x2apic mode in the CPU's which support x2APIC enhancements or diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index 4d4d77df7cac..6394994a2b9d 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -1,5 +1,6 @@ obj-$(CONFIG_IOMMU_API) += iommu.o obj-$(CONFIG_MSM_IOMMU) += msm_iommu.o msm_iommu_dev.o obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o -obj-$(CONFIG_DMAR) += dmar.o iova.o intel-iommu.o -obj-$(CONFIG_INTR_REMAP) += dmar.o intr_remapping.o +obj-$(CONFIG_DMAR_TABLE) += dmar.o +obj-$(CONFIG_INTEL_IOMMU) += iova.o intel-iommu.o +obj-$(CONFIG_IRQ_REMAP) += intr_remapping.o diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index e8eb4c5302b0..4e249edd2290 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -393,11 +393,11 @@ static long list_size; static void domain_remove_dev_info(struct dmar_domain *domain); -#ifdef CONFIG_DMAR_DEFAULT_ON +#ifdef CONFIG_INTEL_IOMMU_DEFAULT_ON int dmar_disabled = 0; #else int dmar_disabled = 1; -#endif /*CONFIG_DMAR_DEFAULT_ON*/ +#endif /*CONFIG_INTEL_IOMMU_DEFAULT_ON*/ static int dmar_map_gfx = 1; static int dmar_forcedac; @@ -2150,7 +2150,7 @@ static inline int iommu_prepare_rmrr_dev(struct dmar_rmrr_unit *rmrr, rmrr->end_address); } -#ifdef CONFIG_DMAR_FLOPPY_WA +#ifdef CONFIG_INTEL_IOMMU_FLOPPY_WA static inline void iommu_prepare_isa(void) { struct pci_dev *pdev; @@ -2173,7 +2173,7 @@ static inline void iommu_prepare_isa(void) { return; } -#endif /* !CONFIG_DMAR_FLPY_WA */ +#endif /* !CONFIG_INTEL_IOMMU_FLPY_WA */ static int md_domain_init(struct dmar_domain *domain, int guest_width); @@ -2484,7 +2484,7 @@ static int __init init_dmars(void) if (iommu_pass_through) iommu_identity_mapping |= IDENTMAP_ALL; -#ifdef CONFIG_DMAR_BROKEN_GFX_WA +#ifdef CONFIG_INTEL_IOMMU_BROKEN_GFX_WA iommu_identity_mapping |= IDENTMAP_GFX; #endif diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 1196f61a4ab6..b23856aaf6eb 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2788,7 +2788,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832); #endif /*CONFIG_MMC_RICOH_MMC*/ -#if defined(CONFIG_DMAR) || defined(CONFIG_INTR_REMAP) +#ifdef CONFIG_DMAR_TABLE #define VTUNCERRMSK_REG 0x1ac #define VTD_MSK_SPEC_ERRORS (1 << 31) /* |