diff options
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 177 |
1 files changed, 170 insertions, 7 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 6bea6962f8e..d260605e6d5 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -13,6 +13,20 @@ menuconfig IOMMU_SUPPORT if IOMMU_SUPPORT +config OF_IOMMU + def_bool y + depends on OF + +config FSL_PAMU + bool "Freescale IOMMU support" + depends on PPC_E500MC + select IOMMU_API + select GENERIC_ALLOCATOR + help + Freescale PAMU support. PAMU is the IOMMU present on Freescale QorIQ platforms. + PAMU can authorize memory access, remap the memory address, and remap I/O + transaction types. + # MSM IOMMU support config MSM_IOMMU bool "MSM IOMMU Support" @@ -43,7 +57,7 @@ config AMD_IOMMU With this option you can enable support for AMD IOMMU hardware in your system. An IOMMU is a hardware component which provides remapping of DMA memory accesses from devices. With an AMD IOMMU you - can isolate the the DMA memory of different devices and protect the + can isolate the DMA memory of different devices and protect the system from misbehaving device drivers or hardware. You can find out if your system has an AMD IOMMU if you look into @@ -61,13 +75,13 @@ config AMD_IOMMU_STATS If unsure, say N. config AMD_IOMMU_V2 - tristate "AMD IOMMU Version 2 driver (EXPERIMENTAL)" - depends on AMD_IOMMU && PROFILING && EXPERIMENTAL + tristate "AMD IOMMU Version 2 driver" + depends on AMD_IOMMU && PROFILING 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. + the PCI PRI and PASID interface. # Intel IOMMU support config DMAR_TABLE @@ -115,8 +129,8 @@ config INTEL_IOMMU_FLOPPY_WA 16MiB to make floppy (an ISA device) work. config IRQ_REMAP - bool "Support for Interrupt Remapping (EXPERIMENTAL)" - depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL + bool "Support for Interrupt Remapping" + depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI select DMAR_TABLE ---help--- Supports Interrupt remapping for IO-APIC and MSI devices. @@ -126,7 +140,7 @@ config IRQ_REMAP # OMAP IOMMU support config OMAP_IOMMU bool "OMAP IOMMU Support" - depends on ARCH_OMAP + depends on ARCH_OMAP2PLUS select IOMMU_API config OMAP_IOVMM @@ -142,4 +156,153 @@ config OMAP_IOMMU_DEBUG Say N unless you know you need this. +config TEGRA_IOMMU_GART + bool "Tegra GART IOMMU Support" + depends on ARCH_TEGRA_2x_SOC + 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 "Tegra SMMU IOMMU Support" + depends on ARCH_TEGRA && TEGRA_AHB + select IOMMU_API + help + Enables support for remapping discontiguous physical memory + shared with the operating system into contiguous I/O virtual + space through the SMMU (System Memory Management Unit) + hardware included on Tegra SoCs. + +config EXYNOS_IOMMU + bool "Exynos IOMMU Support" + depends on ARCH_EXYNOS + select IOMMU_API + help + Support for the IOMMU (System MMU) of Samsung Exynos application + processor family. This enables H/W multimedia accelerators to see + non-linear physical memory chunks as linear memory in their + address space. + + If unsure, say N here. + +config EXYNOS_IOMMU_DEBUG + bool "Debugging log for Exynos IOMMU" + depends on EXYNOS_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 SHMOBILE_IPMMU + bool + +config SHMOBILE_IPMMU_TLB + bool + +config SHMOBILE_IOMMU + bool "IOMMU for Renesas IPMMU/IPMMUI" + default n + depends on ARM + depends on ARCH_SHMOBILE || COMPILE_TEST + select IOMMU_API + select ARM_DMA_USE_IOMMU + select SHMOBILE_IPMMU + select SHMOBILE_IPMMU_TLB + help + Support for Renesas IPMMU/IPMMUI. This option enables + remapping of DMA memory accesses from all of the IP blocks + on the ICB. + + Warning: Drivers (including userspace drivers of UIO + devices) of the IP blocks on the ICB *must* use addresses + allocated from the IPMMU (iova) for DMA with this option + enabled. + + If unsure, say N. + +choice + prompt "IPMMU/IPMMUI address space size" + default SHMOBILE_IOMMU_ADDRSIZE_2048MB + depends on SHMOBILE_IOMMU + help + This option sets IPMMU/IPMMUI address space size by + adjusting the 1st level page table size. The page table size + is calculated as follows: + + page table size = number of page table entries * 4 bytes + number of page table entries = address space size / 1 MiB + + For example, when the address space size is 2048 MiB, the + 1st level page table size is 8192 bytes. + + config SHMOBILE_IOMMU_ADDRSIZE_2048MB + bool "2 GiB" + + config SHMOBILE_IOMMU_ADDRSIZE_1024MB + bool "1 GiB" + + config SHMOBILE_IOMMU_ADDRSIZE_512MB + bool "512 MiB" + + config SHMOBILE_IOMMU_ADDRSIZE_256MB + bool "256 MiB" + + config SHMOBILE_IOMMU_ADDRSIZE_128MB + bool "128 MiB" + + config SHMOBILE_IOMMU_ADDRSIZE_64MB + bool "64 MiB" + + config SHMOBILE_IOMMU_ADDRSIZE_32MB + bool "32 MiB" + +endchoice + +config SHMOBILE_IOMMU_L1SIZE + int + default 8192 if SHMOBILE_IOMMU_ADDRSIZE_2048MB + default 4096 if SHMOBILE_IOMMU_ADDRSIZE_1024MB + default 2048 if SHMOBILE_IOMMU_ADDRSIZE_512MB + default 1024 if SHMOBILE_IOMMU_ADDRSIZE_256MB + default 512 if SHMOBILE_IOMMU_ADDRSIZE_128MB + default 256 if SHMOBILE_IOMMU_ADDRSIZE_64MB + default 128 if SHMOBILE_IOMMU_ADDRSIZE_32MB + +config IPMMU_VMSA + bool "Renesas VMSA-compatible IPMMU" + depends on ARM_LPAE + depends on ARCH_SHMOBILE || COMPILE_TEST + select IOMMU_API + select ARM_DMA_USE_IOMMU + help + Support for the Renesas VMSA-compatible IPMMU Renesas found in the + R-Mobile APE6 and R-Car H2/M2 SoCs. + + If unsure, say N. + +config SPAPR_TCE_IOMMU + bool "sPAPR TCE IOMMU Support" + depends on PPC_POWERNV || PPC_PSERIES + 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 ARM_SMMU + bool "ARM Ltd. System MMU (SMMU) Support" + depends on ARM64 || (ARM_LPAE && OF) + select IOMMU_API + select ARM_DMA_USE_IOMMU if ARM + help + Support for implementations of the ARM System MMU architecture + versions 1 and 2. The driver supports both v7l and v8l table + formats with 4k and 64k page sizes. + + Say Y here if your SoC includes an IOMMU device implementing + the ARM SMMU architecture. + endif # IOMMU_SUPPORT |