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
and include PCI device scope covered by these DMA
remapping devices.
+config INTEL_IOMMU_SVM
+ bool "Support for Shared Virtual Memory with Intel IOMMU"
+ depends on INTEL_IOMMU && X86
+ select PCI_PASID
+ select MMU_NOTIFIER
+ help
+ Shared Virtual Memory (SVM) provides a facility for devices
+ to access DMA resources through process address space by
+ means of a Process Address Space ID (PASID).
+
config INTEL_IOMMU_DEFAULT_ON
def_bool y
prompt "Enable Intel DMA Remapping Devices by default"
config ROCKCHIP_IOMMU
bool "Rockchip IOMMU Support"
- depends on ARM
+ depends on ARM || ARM64
depends on ARCH_ROCKCHIP || COMPILE_TEST
select IOMMU_API
select ARM_DMA_USE_IOMMU
Say Y here if you are using a Rockchip SoC that includes an IOMMU
device.
+config RK_IOMMU
+ bool "RK IOMMU Support"
+ depends on ARCH_ROCKCHIP || COMPILE_TEST
+ select IOMMU_API
+ help
+ Support for IOMMUs found on Rockchip rk32xx,rk313x,rk33xx SOCs.
+ These IOMMUs allow virtualization of the address space used by most
+ cores within the multimedia subsystem.
+ Say Y here if you are using a Rockchip SoC that includes an IOMMU
+ device.
+
+config RK_IOVMM
+ bool "IO Virtual Memory Manager for RK IOMMUs"
+ select GENERIC_ALLOCATOR
+ depends on RK_IOMMU
+ help
+ Supporting the users of Rockchip IOMMU for allocating and mapping
+ an IO virtual memory region with a physical memory region
+ and managing the allocated virtual memory regions.
+
+config RK_IOMMU_DEBUG
+ bool "Debugging log for RK IOMMU"
+ depends on RK_IOMMU
+ help
+ Select this to see the detailed log message that shows what
+ happens in the IOMMU driver
+
+ Say N unless you need kernel log message for IOMMU debugging
+
config TEGRA_IOMMU_GART
bool "Tegra GART IOMMU Support"
depends on ARCH_TEGRA_2x_SOC
config IPMMU_VMSA
bool "Renesas VMSA-compatible IPMMU"
+ depends on BROKEN
depends on ARM_LPAE
depends on ARCH_SHMOBILE || COMPILE_TEST
select IOMMU_API
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.
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