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diff --git a/OldMdePkg/Include/Common/Capsule.h b/OldMdePkg/Include/Common/Capsule.h
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+++ b/OldMdePkg/Include/Common/Capsule.h
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+/** @file
+  Defines for the EFI Capsule functionality.
+
+  Copyright (c) 2006, Intel Corporation                                                         
+  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.             
+
+  Module Name:  Capsule.h
+
+  @par Revision Reference:
+  These definitions are from Capsule Spec Version 0.9.
+
+**/
+
+#ifndef _EFI_CAPSULE_H_
+#define _EFI_CAPSULE_H_
+
+//
+// Bits in the flags field of the capsule header
+//
+#define EFI_CAPSULE_HEADER_FLAG_SETUP 0x00000001  // supports setup changes
+
+
+#define CAPSULE_BLOCK_DESCRIPTOR_SIGNATURE  EFI_SIGNATURE_32 ('C', 'B', 'D', 'S')
+
+//
+// An array of these describe the blocks that make up a capsule for
+// a capsule update.
+//
+typedef struct {
+  UINT64                Length;     // length of the data block
+  EFI_PHYSICAL_ADDRESS  Data;       // physical address of the data block
+  UINT32                Signature;  // CBDS
+  UINT32                CheckSum;   // to sum this structure to 0
+} EFI_CAPSULE_BLOCK_DESCRIPTOR;
+
+typedef struct {
+  EFI_GUID  OemGuid;
+  UINT32    HeaderSize;
+  //
+  // UINT8                       OemHdrData[];
+  //
+} EFI_CAPSULE_OEM_HEADER;
+
+typedef struct {
+  EFI_GUID  CapsuleGuid;
+  UINT32    HeaderSize;
+  UINT32    Flags;
+  UINT32    CapsuleImageSize;
+  UINT32    SequenceNumber;
+  EFI_GUID  InstanceId;
+  UINT32    OffsetToSplitInformation;
+  UINT32    OffsetToCapsuleBody;
+  UINT32    OffsetToOemDefinedHeader;
+  UINT32    OffsetToAuthorInformation;
+  UINT32    OffsetToRevisionInformation;
+  UINT32    OffsetToShortDescription;
+  UINT32    OffsetToLongDescription;
+  UINT32    OffsetToApplicableDevices;
+} EFI_CAPSULE_HEADER;
+
+#endif // #ifndef _EFI_CAPSULE_H_