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diff --git a/EDK/Foundation/Protocol/VariableStore/VariableStore.h b/EDK/Foundation/Protocol/VariableStore/VariableStore.h
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+++ b/EDK/Foundation/Protocol/VariableStore/VariableStore.h
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+/*++
+
+Copyright (c) 2004, 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:
+  
+  VariableStore.h
+
+Abstract:
+
+Revision History
+
+--*/
+
+#ifndef _VARIABLE_STORE_H
+#define _VARIABLE_STORE_H
+
+//
+// The variable store protocol interface is specific to the reference
+// implementation. The initialization code adds variable store devices
+// to the system, and the FW connects to the devices to provide the
+// variable store interfaces through these devices.
+//
+
+//
+// Variable Store Device protocol
+//
+#define EFI_VARIABLE_STORE_PROTOCOL_GUID    \
+  { 0xf088cd91, 0xa046, 0x11d2, 0x8e, 0x42, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b }
+
+EFI_FORWARD_DECLARATION (EFI_VARIABLE_STORE_PROTOCOL);
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CLEAR_STORE) (
+  IN EFI_VARIABLE_STORE_PROTOCOL   *This,
+  IN OUT VOID                              *Scratch
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_READ_STORE) (
+  IN EFI_VARIABLE_STORE_PROTOCOL   *This,
+  IN UINTN                                 Offset,
+  IN UINTN                                 BufferSize,
+  OUT VOID                                 *Buffer
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_UPDATE_STORE) (
+  IN EFI_VARIABLE_STORE_PROTOCOL   *This,
+  IN UINTN                                 Offset,
+  IN UINTN                                 BufferSize,
+  IN VOID                                  *Buffer
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CLEANUP_STORE) (
+  IN EFI_VARIABLE_STORE_PROTOCOL   *This
+  );
+
+typedef struct _EFI_VARIABLE_STORE_PROTOCOL {
+  
+  //
+  // Number of banks and bank size
+  //
+  UINT32                      Attributes;
+  UINT32                      BankSize;
+
+  //
+  // Functions to access the storage banks
+  //
+  EFI_CLEAR_STORE             ClearStore;
+  EFI_READ_STORE              ReadStore;
+  EFI_UPDATE_STORE            UpdateStore;
+  EFI_CLEANUP_STORE           CleanupStore;
+
+} EFI_VARIABLE_STORE_PROTOCOL;
+
+//
+//
+//  ClearStore()        - A function to clear the requested storage bank.  A cleared
+//                        bank contains all "on" bits.
+//
+//  ReadStore()         - Read data from the requested store.
+//
+//  UpdateStore()       - Updates data on the requested store. The FW will only
+//                        ever issue updates to clear bits in the store. Updates must 
+//                        be performed in LSb to MSb order of the update buffer.
+//
+//  CleanupStore()      - Do garbage collection and reclaim operation.
+//
+
+extern EFI_GUID gEfiVariableStoreProtocolGuid;
+
+#endif // _VARIABLE_STORE_H