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-rw-r--r--hw/i386/amd_iommu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/i386/amd_iommu.h b/hw/i386/amd_iommu.h
index e1354686b6..daf82fc85f 100644
--- a/hw/i386/amd_iommu.h
+++ b/hw/i386/amd_iommu.h
@@ -177,6 +177,7 @@
 /* AMDVI paging mode */
 #define AMDVI_GATS_MODE                 (2ULL <<  12)
 #define AMDVI_HATS_MODE                 (2ULL <<  10)
+#define AMDVI_HATS_MODE_RESERVED        (3ULL <<  10)
 
 /* Page Table format */