iommu/vt-d: Add initial support for PASID tables

[karo-tx-linux.git] / drivers / iommu / Kconfig

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index d9da766719c863327d4a8563804994c3edfd01c0..e3b2c2e62e3293a2a921f8783ed7b20133bbbbd8 100644 (file)
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -135,6 +135,14 @@ config INTEL_IOMMU
          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
+       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"