diff options
author | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-02-01 16:03:06 +0530 |
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committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-02-01 16:03:06 +0530 |
commit | 13ab2df1dfed5153899b98b1417f52de0ecc70cd (patch) | |
tree | 9b47b72d23fef02d1b489a845547106430552be9 /drivers/iommu/Kconfig | |
parent | c8932c9184978b42398fd582592315cbbf507415 (diff) | |
parent | ac2b520c46800dec16f3c23d0cf8759826750937 (diff) |
Merge remote-tracking branch 'origin/dev/k3.3-rc1-iommu' into android-tegra-nv-3.1
Change-Id: I9001bb291779f107bbcb593d48f9f0f734074d0e
Diffstat (limited to 'drivers/iommu/Kconfig')
-rw-r--r-- | drivers/iommu/Kconfig | 57 |
1 files changed, 46 insertions, 11 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index a2c55bf57903..b394c6c5fbe7 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -34,7 +34,9 @@ config AMD_IOMMU bool "AMD IOMMU support" select SWIOTLB select PCI_MSI - select PCI_IOV + select PCI_ATS + select PCI_PRI + select PCI_PASID select IOMMU_API depends on X86_64 && PCI && ACPI ---help--- @@ -58,11 +60,24 @@ config AMD_IOMMU_STATS information to userspace via debugfs. If unsure, say N. +config AMD_IOMMU_V2 + tristate "AMD IOMMU Version 2 driver (EXPERIMENTAL)" + depends on AMD_IOMMU && PROFILING && EXPERIMENTAL + select MMU_NOTIFIER + ---help--- + This option enables support for the AMD IOMMUv2 features of the IOMMU + hardware. Select this option if you want to use devices that support + the the PCI PRI and PASID interface. + # 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 +85,18 @@ 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 @@ -90,23 +105,43 @@ 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 to support platforms with CPU's having > 8 bit APIC ID, say Y. +# OMAP IOMMU support +config OMAP_IOMMU + bool "OMAP IOMMU Support" + depends on ARCH_OMAP + select IOMMU_API + +config OMAP_IOVMM + tristate "OMAP IO Virtual Memory Manager Support" + depends on OMAP_IOMMU + +config OMAP_IOMMU_DEBUG + tristate "Export OMAP IOMMU/IOVMM internals in DebugFS" + depends on OMAP_IOVMM && DEBUG_FS + help + Select this to see extensive information about + the internal state of OMAP IOMMU/IOVMM in debugfs. + + Say N unless you know you need this. + config TEGRA_IOMMU_SMMU bool "Tegra SMMU IOMMU Support" depends on ARCH_TEGRA |