diff options
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 4664c2a96c67..4d3385bc9112 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -23,8 +23,7 @@ config IOMMU_IO_PGTABLE config IOMMU_IO_PGTABLE_LPAE bool "ARMv7/v8 Long Descriptor Format" select IOMMU_IO_PGTABLE - # SWIOTLB guarantees a dma_to_phys() implementation - depends on ARM || ARM64 || (COMPILE_TEST && SWIOTLB) + depends on HAS_DMA && (ARM || ARM64 || COMPILE_TEST) help Enable support for the ARM long descriptor pagetable format. This allocator supports 4K/2M/1G, 16K/32M and 64K/512M page @@ -43,12 +42,19 @@ config IOMMU_IO_PGTABLE_LPAE_SELFTEST endmenu config IOMMU_IOVA - bool + tristate config OF_IOMMU def_bool y depends on OF && IOMMU_API +# IOMMU-agnostic DMA-mapping layer +config IOMMU_DMA + bool + depends on NEED_SG_DMA_LENGTH + select IOMMU_API + select IOMMU_IOVA + config FSL_PAMU bool "Freescale IOMMU support" depends on PPC32 @@ -362,6 +368,7 @@ config ARM_SMMU_V3 depends on ARM64 && PCI select IOMMU_API select IOMMU_IO_PGTABLE_LPAE + select GENERIC_MSI_IRQ_DOMAIN help Support for implementations of the ARM System MMU architecture version 3 providing translation support to a PCIe root complex. @@ -369,4 +376,11 @@ config ARM_SMMU_V3 Say Y here if your system includes an IOMMU device implementing the ARM SMMUv3 architecture. +config S390_IOMMU + def_bool y if S390 && PCI + depends on S390 && PCI + select IOMMU_API + help + Support for the IOMMU API for s390 PCI devices. + endif # IOMMU_SUPPORT |