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diff --git a/BaseTools/Source/C/Include/Common/VariableFormat.h b/BaseTools/Source/C/Include/Common/VariableFormat.h
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+/**@file
+ Header file for EFI Variable Services.
+
+ Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved. <BR>
+
+ 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.
+
+ File Name: VariableFormat.h
+
+**/
+
+#ifndef __VARIABLE_FORMAT_H__
+#define __VARIABLE_FORMAT_H__
+
+#define VARIABLE_STORE_SIGNATURE EFI_SIGNATURE_32 ('$', 'V', 'S', 'S')
+
+#define VARIABLE_DATA 0x55AA
+
+//
+// Variable Store Header flags
+//
+#define VARIABLE_STORE_FORMATTED 0x5a
+#define VARIABLE_STORE_HEALTHY 0xfe
+
+#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_