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authorJoerg Roedel <joerg.roedel@amd.com>2011-11-21 16:50:23 +0100
committerHiroshi DOYU <hdoyu@nvidia.com>2012-01-23 11:11:40 +0200
commitebaea77b570c617e72eb48165b2db74b0a2b682c (patch)
tree8367f55a1c0c60c0b52b4222a08931354281cc89 /drivers/iommu/amd_iommu_types.h
parent7a937ceb42da1eafa448cd197aea66a7e1724ff1 (diff)
iommu/amd: Implement functions to manage GCR3 table
This patch adds functions necessary to set and clear the GCR3 values associated with a particular PASID in an IOMMUv2 domain. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_types.h')
-rw-r--r--drivers/iommu/amd_iommu_types.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index ff1dfe9ad579..060724e02e9f 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -279,6 +279,7 @@
#define DTE_GCR3_SHIFT_B 16
#define DTE_GCR3_SHIFT_C 43
+#define GCR3_VALID 0x01ULL
#define IOMMU_PAGE_MASK (((1ULL << 52) - 1) & ~0xfffULL)
#define IOMMU_PTE_PRESENT(pte) ((pte) & IOMMU_PTE_P)