diff options
| -rw-r--r-- | MdePkg/Include/IndustryStandard/IoRemappingTable.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/MdePkg/Include/IndustryStandard/IoRemappingTable.h b/MdePkg/Include/IndustryStandard/IoRemappingTable.h index 7900bb5bbd..851ce00cb8 100644 --- a/MdePkg/Include/IndustryStandard/IoRemappingTable.h +++ b/MdePkg/Include/IndustryStandard/IoRemappingTable.h @@ -61,7 +61,8 @@ #define EFI_ACPI_IORT_SMMUv1v2_INT_FLAG_EDGE 0x1
#define EFI_ACPI_IORT_SMMUv3_FLAG_COHAC_OVERRIDE BIT0
-#define EFI_ACPI_IORT_SMMUv3_FLAG_HTTU_OVERRIDE BIT1
+#define EFI_ACPI_IORT_SMMUv3_FLAG_HTTU_OVERRIDE BIT1 // HW update of Access Flag supported
+#define EFI_ACPI_IORT_SMMUv3_FLAG_HTTU_OVERRIDE_DS BIT2 // HW update of Access Flag + Dirty Flag supported
#define EFI_ACPI_IORT_SMMUv3_FLAG_PROXIMITY_DOMAIN BIT3
#define EFI_ACPI_IORT_SMMUv3_FLAG_DEVICEID_VALID BIT4
|