Merge remote-tracking branch 'dwmw2-iommu/master'

[karo-tx-linux.git] / drivers / iommu / Kconfig

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index be18b214c31efd7eb9de41547812991edde22a50..b9094e9da537831aa693a49489418722d64f2d15 100644 (file)
--- 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
@@ -49,6 +48,13 @@ 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
@@ -372,6 +378,7 @@ 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.
@@ -379,4 +386,11 @@ 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