diff options
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 191 |
1 files changed, 35 insertions, 156 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 79707685d54a..99095645134f 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -3,14 +3,14 @@ config IOMMU_IOVA tristate -# The IOASID library may also be used by non-IOMMU_API users -config IOASID - tristate - # IOMMU_API always gets selected by whoever wants it. config IOMMU_API bool +config IOMMUFD_DRIVER + bool + default n + menuconfig IOMMU_SUPPORT bool "IOMMU Hardware Support" depends on MMU @@ -32,19 +32,21 @@ config IOMMU_IO_PGTABLE config IOMMU_IO_PGTABLE_LPAE bool "ARMv7/v8 Long Descriptor Format" select IOMMU_IO_PGTABLE - depends on ARM || ARM64 || (COMPILE_TEST && !GENERIC_ATOMIC64) + depends on ARM || ARM64 || COMPILE_TEST + depends on !GENERIC_ATOMIC64 # for cmpxchg64() help Enable support for the ARM long descriptor pagetable format. This allocator supports 4K/2M/1G, 16K/32M and 64K/512M page sizes at both stage-1 and stage-2, as well as address spaces up to 48-bits in size. -config IOMMU_IO_PGTABLE_LPAE_SELFTEST - bool "LPAE selftests" - depends on IOMMU_IO_PGTABLE_LPAE +config IOMMU_IO_PGTABLE_LPAE_KUNIT_TEST + tristate "KUnit tests for LPAE" + depends on IOMMU_IO_PGTABLE_LPAE && KUNIT + default KUNIT_ALL_TESTS help - Enable self-tests for LPAE page table allocator. This performs - a series of page-table consistency checks during boot. + Enable kunit tests for LPAE page table allocator. This performs + a series of page-table consistency checks. If unsure, say N here. @@ -70,7 +72,8 @@ config IOMMU_IO_PGTABLE_ARMV7S_SELFTEST config IOMMU_IO_PGTABLE_DART bool "Apple DART Formats" select IOMMU_IO_PGTABLE - depends on ARM64 || (COMPILE_TEST && !GENERIC_ATOMIC64) + depends on ARM64 || COMPILE_TEST + depends on !GENERIC_ATOMIC64 # for cmpxchg64() help Enable support for the Apple DART pagetable formats. These include the t8020 and t6000/t8110 DART formats used in Apple M1/M2 family @@ -93,7 +96,7 @@ config IOMMU_DEBUGFS choice prompt "IOMMU default domain type" depends on IOMMU_API - default IOMMU_DEFAULT_DMA_LAZY if X86 || IA64 + default IOMMU_DEFAULT_DMA_LAZY if X86 || S390 default IOMMU_DEFAULT_DMA_STRICT help Choose the type of IOMMU domain used to manage DMA API usage by @@ -148,17 +151,20 @@ config OF_IOMMU # IOMMU-agnostic DMA-mapping layer config IOMMU_DMA - def_bool ARM64 || IA64 || X86 - select DMA_OPS + def_bool ARM64 || X86 || S390 + select DMA_OPS_HELPERS select IOMMU_API select IOMMU_IOVA - select IRQ_MSI_IOMMU select NEED_SG_DMA_LENGTH + select NEED_SG_DMA_FLAGS if SWIOTLB # Shared Virtual Addressing config IOMMU_SVA + select IOMMU_MM_DATA + bool + +config IOMMU_IOPF bool - select IOASID config FSL_PAMU bool "Freescale IOMMU support" @@ -176,7 +182,7 @@ config FSL_PAMU config MSM_IOMMU bool "MSM IOMMU Support" depends on ARM - depends on ARCH_MSM8X60 || ARCH_MSM8960 || COMPILE_TEST + depends on ARCH_QCOM || COMPILE_TEST select IOMMU_API select IOMMU_IO_PGTABLE_ARMV7S help @@ -187,13 +193,15 @@ config MSM_IOMMU If unsure, say N here. source "drivers/iommu/amd/Kconfig" +source "drivers/iommu/arm/Kconfig" source "drivers/iommu/intel/Kconfig" source "drivers/iommu/iommufd/Kconfig" +source "drivers/iommu/riscv/Kconfig" config IRQ_REMAP bool "Support for Interrupt Remapping" depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI - select DMAR_TABLE + select IRQ_MSI_LIB help Supports Interrupt remapping for IO-APIC and MSI devices. To use x2apic mode in the CPU's which support x2APIC enhancements or @@ -238,20 +246,9 @@ config SUN50I_IOMMU help Support for the IOMMU introduced in the Allwinner H6 SoCs. -config TEGRA_IOMMU_GART - bool "Tegra GART IOMMU Support" - depends on ARCH_TEGRA_2x_SOC - depends on TEGRA_MC - select IOMMU_API - help - Enables support for remapping discontiguous physical memory - shared with the operating system into contiguous I/O virtual - space through the GART (Graphics Address Relocation Table) - hardware included on Tegra SoCs. - config TEGRA_IOMMU_SMMU bool "NVIDIA Tegra SMMU Support" - depends on ARCH_TEGRA + depends on ARCH_TEGRA || COMPILE_TEST depends on TEGRA_AHB depends on TEGRA_MC select IOMMU_API @@ -284,7 +281,9 @@ config EXYNOS_IOMMU_DEBUG config IPMMU_VMSA bool "Renesas VMSA-compatible IPMMU" - depends on ARCH_RENESAS || (COMPILE_TEST && !GENERIC_ATOMIC64) + depends on ARCH_RENESAS || COMPILE_TEST + depends on ARM || ARM64 || COMPILE_TEST + depends on !GENERIC_ATOMIC64 # for IOMMU_IO_PGTABLE_LPAE select IOMMU_API select IOMMU_IO_PGTABLE_LPAE select ARM_DMA_USE_IOMMU @@ -304,10 +303,10 @@ config SPAPR_TCE_IOMMU config APPLE_DART tristate "Apple DART IOMMU Support" - depends on ARCH_APPLE || (COMPILE_TEST && !GENERIC_ATOMIC64) + depends on ARCH_APPLE || COMPILE_TEST + depends on !GENERIC_ATOMIC64 # for IOMMU_IO_PGTABLE_DART select IOMMU_API select IOMMU_IO_PGTABLE_DART - default ARCH_APPLE help Support for Apple DART (Device Address Resolution Table) IOMMUs found in Apple ARM SoCs like the M1. @@ -316,100 +315,6 @@ config APPLE_DART Say Y here if you are using an Apple SoC. -# ARM IOMMU support -config ARM_SMMU - tristate "ARM Ltd. System MMU (SMMU) Support" - depends on ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64) - select IOMMU_API - select IOMMU_IO_PGTABLE_LPAE - select ARM_DMA_USE_IOMMU if ARM - help - Support for implementations of the ARM System MMU architecture - versions 1 and 2. - - Say Y here if your SoC includes an IOMMU device implementing - the ARM SMMU architecture. - -config ARM_SMMU_LEGACY_DT_BINDINGS - bool "Support the legacy \"mmu-masters\" devicetree bindings" - depends on ARM_SMMU=y && OF - help - Support for the badly designed and deprecated "mmu-masters" - devicetree bindings. This allows some DMA masters to attach - to the SMMU but does not provide any support via the DMA API. - If you're lucky, you might be able to get VFIO up and running. - - If you say Y here then you'll make me very sad. Instead, say N - and move your firmware to the utopian future that was 2016. - -config ARM_SMMU_DISABLE_BYPASS_BY_DEFAULT - bool "Default to disabling bypass on ARM SMMU v1 and v2" - depends on ARM_SMMU - default y - help - Say Y here to (by default) disable bypass streams such that - incoming transactions from devices that are not attached to - an iommu domain will report an abort back to the device and - will not be allowed to pass through the SMMU. - - Any old kernels that existed before this KConfig was - introduced would default to _allowing_ bypass (AKA the - equivalent of NO for this config). However the default for - this option is YES because the old behavior is insecure. - - There are few reasons to allow unmatched stream bypass, and - even fewer good ones. If saying YES here breaks your board - you should work on fixing your board. This KConfig option - is expected to be removed in the future and we'll simply - hardcode the bypass disable in the code. - - NOTE: the kernel command line parameter - 'arm-smmu.disable_bypass' will continue to override this - config. - -config ARM_SMMU_QCOM - def_tristate y - depends on ARM_SMMU && ARCH_QCOM - select QCOM_SCM - help - When running on a Qualcomm platform that has the custom variant - of the ARM SMMU, this needs to be built into the SMMU driver. - -config ARM_SMMU_QCOM_DEBUG - bool "ARM SMMU QCOM implementation defined debug support" - depends on ARM_SMMU_QCOM - help - Support for implementation specific debug features in ARM SMMU - hardware found in QTI platforms. - - Say Y here to enable debug for issues such as TLB sync timeouts - which requires implementation defined register dumps. - -config ARM_SMMU_V3 - tristate "ARM Ltd. System MMU Version 3 (SMMUv3) Support" - depends on ARM64 - select IOMMU_API - select IOMMU_IO_PGTABLE_LPAE - select GENERIC_MSI_IRQ - help - Support for implementations of the ARM System MMU architecture - version 3 providing translation support to a PCIe root complex. - - Say Y here if your system includes an IOMMU device implementing - the ARM SMMUv3 architecture. - -config ARM_SMMU_V3_SVA - bool "Shared Virtual Addressing support for the ARM SMMUv3" - depends on ARM_SMMU_V3 - select IOMMU_SVA - select MMU_NOTIFIER - help - Support for sharing process address spaces with devices using the - SMMUv3. - - Say Y here if your system supports SVA extensions such as PCIe PASID - and PRI. - config S390_IOMMU def_bool y if S390 && PCI depends on S390 && PCI @@ -417,22 +322,6 @@ config S390_IOMMU help Support for the IOMMU API for s390 PCI devices. -config S390_CCW_IOMMU - bool "S390 CCW IOMMU Support" - depends on S390 && CCW || COMPILE_TEST - select IOMMU_API - help - Enables bits of IOMMU API required by VFIO. The iommu_ops - is not implemented as it is not necessary for VFIO. - -config S390_AP_IOMMU - bool "S390 AP IOMMU Support" - depends on S390 && ZCRYPT || COMPILE_TEST - select IOMMU_API - help - Enables bits of IOMMU API required by VFIO. The iommu_ops - is not implemented as it is not necessary for VFIO. - config MTK_IOMMU tristate "MediaTek IOMMU Support" depends on ARCH_MEDIATEK || COMPILE_TEST @@ -450,8 +339,7 @@ config MTK_IOMMU config MTK_IOMMU_V1 tristate "MediaTek IOMMU Version 1 (M4U gen1) Support" - depends on ARM - depends on ARCH_MEDIATEK || COMPILE_TEST + depends on (ARCH_MEDIATEK && ARM) || COMPILE_TEST select ARM_DMA_USE_IOMMU select IOMMU_API select MEMORY @@ -463,17 +351,6 @@ config MTK_IOMMU_V1 if unsure, say N here. -config QCOM_IOMMU - # Note: iommu drivers cannot (yet?) be built as modules - bool "Qualcomm IOMMU Support" - depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64) - select QCOM_SCM - select IOMMU_API - select IOMMU_IO_PGTABLE_LPAE - select ARM_DMA_USE_IOMMU - help - Support for IOMMU on certain Qualcomm SoCs. - config HYPERV_IOMMU bool "Hyper-V IRQ Handling" depends on HYPERV && X86 @@ -508,3 +385,5 @@ config SPRD_IOMMU Say Y here if you want to use the multimedia devices listed above. endif # IOMMU_SUPPORT + +source "drivers/iommu/generic_pt/Kconfig" |