1 files changed, 87 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/VariableFormat.h b/MdeModulePkg/Include/VariableFormat.h
new file mode 100644
index 0000000000..a4a37585ca
--- /dev/null
+++ b/MdeModulePkg/Include/VariableFormat.h
@@ -0,0 +1,87 @@
+/**@file
+  Header file for EFI Variable Services.
+
+  Copyright (c) 2006 - 2007 Intel Corporation. <BR>
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+  
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __VARIABLE_FORMAT_H__
+#define __VARIABLE_FORMAT_H__
+
+#define VARIABLE_STORE_SIGNATURE  EFI_SIGNATURE_32 ('$', 'V', 'S', 'S')
+
+#define MAX_VARIABLE_SIZE                 1024
+
+//
+// Enlarges the hardware error record maximum variable size to 32K bytes
+//
+#define MAX_HARDWARE_ERROR_VARIABLE_SIZE  0x8000
+
+#define VARIABLE_DATA                     0x55AA
+
+//
+// Variable Store Header flags
+//
+#define VARIABLE_STORE_FORMATTED          0x5a
+#define VARIABLE_STORE_HEALTHY            0xfe
+
+//
+// The alignment of variable's start offset.
+// For IA32/X64 architecture, the alignment is set to 1, and
+// 8 is for IPF archtecture.
+//
+#if defined (MDE_CPU_IPF)
+#define ALIGNMENT  8
+#else
+#define ALIGNMENT  1
+#endif
+
+//
+// Variable Store Status
+//
+typedef enum {
+  EfiRaw,
+  EfiValid,
+  EfiInvalid,
+  EfiUnknown
+} VARIABLE_STORE_STATUS;
+
+//
+// Variable State flags
+//
+#define VAR_IN_DELETED_TRANSITION     0xfe  // Variable is in obsolete transistion
+#define VAR_DELETED                   0xfd  // Variable is obsolete
+#define VAR_ADDED                     0x7f  // Variable has been completely added
+#define IS_VARIABLE_STATE(_c, _Mask)  (BOOLEAN) (((~_c) & (~_Mask)) != 0)
+
+#pragma pack(1)
+
+typedef struct {
+  UINT32  Signature;
+  UINT32  Size;
+  UINT8   Format;
+  UINT8   State;
+  UINT16  Reserved;
+  UINT32  Reserved1;
+} VARIABLE_STORE_HEADER;
+
+typedef struct {
+  UINT16      StartId;
+  UINT8       State;
+  UINT8       Reserved;
+  UINT32      Attributes;
+  UINT32      NameSize;
+  UINT32      DataSize;
+  EFI_GUID    VendorGuid;
+} VARIABLE_HEADER;
+
+#pragma pack()
+
+#endif // _EFI_VARIABLE_H_