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Diffstat (limited to 'drivers/iommu/amd/amd_iommu_types.h')
-rw-r--r--drivers/iommu/amd/amd_iommu_types.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h
index 553587827771..1a0495dd5fcb 100644
--- a/drivers/iommu/amd/amd_iommu_types.h
+++ b/drivers/iommu/amd/amd_iommu_types.h
@@ -387,6 +387,10 @@
#define IOMMU_CAP_NPCACHE 26
#define IOMMU_CAP_EFR 27
+/* IOMMU IVINFO */
+#define IOMMU_IVINFO_OFFSET 36
+#define IOMMU_IVINFO_EFRSUP BIT(0)
+
/* IOMMU Feature Reporting Field (for IVHD type 10h */
#define IOMMU_FEAT_GASUP_SHIFT 6