diff options
Diffstat (limited to 'drivers/iommu/Kconfig')
| -rw-r--r-- | drivers/iommu/Kconfig | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 0af39bbbe3a3..c04584be3089 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -376,13 +376,17 @@ config ARM_SMMU_QCOM config ARM_SMMU_QCOM_DEBUG bool "ARM SMMU QCOM implementation defined debug support" - depends on ARM_SMMU_QCOM + depends on ARM_SMMU_QCOM=y help Support for implementation specific debug features in ARM SMMU - hardware found in QTI platforms. + hardware found in QTI platforms. This include support for + the Translation Buffer Units (TBU) that can be used to obtain + additional information when debugging memory management issues + like context faults. - Say Y here to enable debug for issues such as TLB sync timeouts - which requires implementation defined register dumps. + Say Y here to enable debug for issues such as context faults + or TLB sync timeouts which requires implementation defined + register dumps. config ARM_SMMU_V3 tristate "ARM Ltd. System MMU Version 3 (SMMUv3) Support" @@ -397,9 +401,9 @@ config ARM_SMMU_V3 Say Y here if your system includes an IOMMU device implementing the ARM SMMUv3 architecture. +if ARM_SMMU_V3 config ARM_SMMU_V3_SVA bool "Shared Virtual Addressing support for the ARM SMMUv3" - depends on ARM_SMMU_V3 select IOMMU_SVA select IOMMU_IOPF select MMU_NOTIFIER @@ -410,6 +414,17 @@ config ARM_SMMU_V3_SVA Say Y here if your system supports SVA extensions such as PCIe PASID and PRI. +config ARM_SMMU_V3_KUNIT_TEST + tristate "KUnit tests for arm-smmu-v3 driver" if !KUNIT_ALL_TESTS + depends on KUNIT + depends on ARM_SMMU_V3_SVA + default KUNIT_ALL_TESTS + help + Enable this option to unit-test arm-smmu-v3 driver functions. + + If unsure, say N. +endif + config S390_IOMMU def_bool y if S390 && PCI depends on S390 && PCI |