diff options
Diffstat (limited to 'drivers/iommu/intel/Kconfig')
| -rw-r--r-- | drivers/iommu/intel/Kconfig | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig index 43ebd8af11c5..0ddb77115be7 100644 --- a/drivers/iommu/intel/Kconfig +++ b/drivers/iommu/intel/Kconfig @@ -25,9 +25,11 @@ config INTEL_IOMMU and include PCI device scope covered by these DMA remapping devices. +if INTEL_IOMMU + config INTEL_IOMMU_DEBUGFS bool "Export Intel IOMMU internals in Debugfs" - depends on INTEL_IOMMU && IOMMU_DEBUGFS + depends on IOMMU_DEBUGFS select DMAR_PERF help !!!WARNING!!! @@ -41,7 +43,7 @@ config INTEL_IOMMU_DEBUGFS config INTEL_IOMMU_SVM bool "Support for Shared Virtual Memory with Intel IOMMU" - depends on INTEL_IOMMU && X86_64 + depends on X86_64 select PCI_PASID select PCI_PRI select MMU_NOTIFIER @@ -53,9 +55,8 @@ config INTEL_IOMMU_SVM means of a Process Address Space ID (PASID). config INTEL_IOMMU_DEFAULT_ON - def_bool y - prompt "Enable Intel DMA Remapping Devices by default" - depends on INTEL_IOMMU + bool "Enable Intel DMA Remapping Devices by default" + default y help Selecting this option will enable a DMAR device at boot time if one is found. If this option is not selected, DMAR support can @@ -63,7 +64,7 @@ config INTEL_IOMMU_DEFAULT_ON config INTEL_IOMMU_BROKEN_GFX_WA bool "Workaround broken graphics drivers (going away soon)" - depends on INTEL_IOMMU && BROKEN && X86 + depends on BROKEN && X86 help Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config @@ -74,7 +75,7 @@ config INTEL_IOMMU_BROKEN_GFX_WA config INTEL_IOMMU_FLOPPY_WA def_bool y - depends on INTEL_IOMMU && X86 + depends on X86 help Floppy disk drivers are known to bypass DMA API calls thereby failing to work when IOMMU is enabled. This @@ -83,7 +84,7 @@ config INTEL_IOMMU_FLOPPY_WA config INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON bool "Enable Intel IOMMU scalable mode by default" - depends on INTEL_IOMMU + default y help Selecting this option will enable by default the scalable mode if hardware presents the capability. The scalable mode is defined in @@ -92,3 +93,5 @@ config INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON is not selected, scalable mode support could also be enabled by passing intel_iommu=sm_on to the kernel. If not sure, please use the default value. + +endif # INTEL_IOMMU |