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authorJoerg Roedel <joerg.roedel@amd.com>2011-11-09 12:31:15 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2011-12-12 15:19:07 +0100
commite3c495c74bc008a5c3671bf3411bc7f5382fa58f (patch)
treec0557712e92cbfe7358ede7ad8c79862ae7a538f /drivers/iommu/Kconfig
parent399be2f51979aaf4e3391d98d11e3aeaac7633a4 (diff)
downloadlinux-e3c495c74bc008a5c3671bf3411bc7f5382fa58f.tar.bz2
iommu/amd: Add driver stub for AMD IOMMUv2 support
Add a Kconfig option for the optional driver. Since it is optional it can be compiled as a module and will only be loaded when required by another driver. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/Kconfig')
-rw-r--r--drivers/iommu/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 220dfc24b311..e608a36bb0b1 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -60,6 +60,14 @@ config AMD_IOMMU_STATS
information to userspace via debugfs.
If unsure, say N.
+config AMD_IOMMU_V2
+ tristate "AMD IOMMU Version 2 driver (EXPERIMENTAL)"
+ depends on AMD_IOMMU && EXPERIMENTAL
+ ---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.
+
# Intel IOMMU support
config DMAR_TABLE
bool