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-rw-r--r--MdePkg/Include/IndustryStandard/Acpi.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/MdePkg/Include/IndustryStandard/Acpi.h b/MdePkg/Include/IndustryStandard/Acpi.h
index d2fe3459c2..f3bad89816 100644
--- a/MdePkg/Include/IndustryStandard/Acpi.h
+++ b/MdePkg/Include/IndustryStandard/Acpi.h
@@ -86,6 +86,34 @@ typedef struct {
#define EFI_ACPI_RESERVED_DWORD 0x00000000
#define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
+//
+// Resource Type Specific Flags
+// Ref ACPI specification 6.4.3.5.5
+//
+// Bit [0] : Write Status, _RW
+//
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_WRITE (1 << 0)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_READ_ONLY (0 << 0)
+//
+// Bit [2:1] : Memory Attributes, _MEM
+//
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_NON_CACHEABLE (0 << 1)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE (1 << 1)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_WRITE_COMBINING (2 << 1)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE (3 << 1)
+//
+// Bit [4:3] : Memory Attributes, _MTP
+//
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_MEMORY (0 << 3)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_RESERVED (1 << 3)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_ACPI (2 << 3)
+#define EFI_APCI_MEMORY_RESOURCE_SPECIFIC_FLAG_ADDRESS_RANGE_NVS (3 << 3)
+//
+// Bit [5] : Memory to I/O Translation, _TTP
+//
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_TRANSLATION (1 << 5)
+#define EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_TYPE_STATIC (0 << 5)
+
#pragma pack()
#endif