diff options
Diffstat (limited to 'drivers/iommu/intel/Kconfig')
| -rw-r--r-- | drivers/iommu/intel/Kconfig | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig index b7dff5092fd2..5471f814e073 100644 --- a/drivers/iommu/intel/Kconfig +++ b/drivers/iommu/intel/Kconfig @@ -11,14 +11,18 @@ config DMAR_DEBUG config INTEL_IOMMU bool "Support for Intel IOMMU using DMA Remapping Devices" - depends on PCI_MSI && ACPI && (X86 || IA64) - select DMA_OPS + depends on PCI_MSI && ACPI && X86 select IOMMU_API + select GENERIC_PT + select IOMMU_PT + select IOMMU_PT_X86_64 + select IOMMU_PT_VTDSS select IOMMU_IOVA + select IOMMU_IOPF + select IOMMUFD_DRIVER if IOMMUFD select NEED_DMA_MAP_STATE select DMAR_TABLE select SWIOTLB - select IOASID select PCI_ATS select PCI_PRI select PCI_PASID @@ -64,20 +68,9 @@ config INTEL_IOMMU_DEFAULT_ON one is found. If this option is not selected, DMAR support can be enabled by passing intel_iommu=on to the kernel. -config INTEL_IOMMU_BROKEN_GFX_WA - bool "Workaround broken graphics drivers (going away soon)" - depends on BROKEN && X86 - help - Current Graphics drivers tend to use physical address - for DMA and avoid using DMA APIs. Setting this config - option permits the IOMMU driver to set a unity map for - all the OS-visible memory. Hence the driver can continue - to use physical addresses for DMA, at least until this - option is removed in the 2.6.32 kernel. - config INTEL_IOMMU_FLOPPY_WA def_bool y - depends on X86 + depends on X86 && BLK_DEV_FD help Floppy disk drivers are known to bypass DMA API calls thereby failing to work when IOMMU is enabled. This @@ -96,4 +89,15 @@ config INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON passing intel_iommu=sm_on to the kernel. If not sure, please use the default value. +config INTEL_IOMMU_PERF_EVENTS + bool "Intel IOMMU performance events" + default y + depends on INTEL_IOMMU && PERF_EVENTS + help + Selecting this option will enable the performance monitoring + infrastructure in the Intel IOMMU. It collects information about + key events occurring during operation of the remapping hardware, + to aid performance tuning and debug. These are available on modern + processors which support Intel VT-d 4.0 and later. + endif # INTEL_IOMMU |