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diff --git a/EDK/Foundation/Framework/Protocol/SmmAccess/SmmAccess.h b/EDK/Foundation/Framework/Protocol/SmmAccess/SmmAccess.h
new file mode 100644
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--- /dev/null
+++ b/EDK/Foundation/Framework/Protocol/SmmAccess/SmmAccess.h
@@ -0,0 +1,92 @@
+/*++
+
+Copyright (c) 1999 - 2002, 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:
+
+  SmmAccess.h
+
+Abstract:
+
+  This file defines SMM SMRAM Access abstraction protocol defined 
+  by the SMM CIS.
+
+--*/
+
+#ifndef _SMM_ACCESS_H_
+#define _SMM_ACCESS_H_
+
+#include EFI_GUID_DEFINITION (SmramMemoryReserve)
+
+EFI_FORWARD_DECLARATION (EFI_SMM_ACCESS_PROTOCOL);
+
+#define EFI_SMM_ACCESS_PROTOCOL_GUID \
+  { \
+    0x3792095a, 0xe309, 0x4c1e, 0xaa, 0x01, 0x85, 0xf5, 0x65, 0x5a, 0x17, 0xf1 \
+  }
+
+//
+// SMM Access specification constant and types
+//
+// *******************************************************
+//  EFI_SMRAM_STATE
+// *******************************************************
+//
+#define EFI_SMRAM_OPEN    0x00000001
+#define EFI_SMRAM_CLOSED  0x00000002
+#define EFI_SMRAM_LOCKED  0x00000004
+#define EFI_CACHEABLE     0x00000008
+#define EFI_ALLOCATED     0x00000010
+
+//
+// SMM Access specification Data Structures
+//
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SMM_OPEN) (
+  IN EFI_SMM_ACCESS_PROTOCOL         * This,
+  UINTN                              DescriptorIndex
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SMM_CLOSE) (
+  IN EFI_SMM_ACCESS_PROTOCOL          * This,
+  UINTN                               DescriptorIndex
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SMM_LOCK) (
+  IN EFI_SMM_ACCESS_PROTOCOL         * This,
+  UINTN                              DescriptorIndex
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_SMM_CAPABILITIES) (
+  IN EFI_SMM_ACCESS_PROTOCOL             * This,
+  IN OUT UINTN                           *SmramMapSize,
+  IN OUT EFI_SMRAM_DESCRIPTOR            * SmramMap
+  );
+
+typedef struct _EFI_SMM_ACCESS_PROTOCOL {
+  EFI_SMM_OPEN          Open;
+  EFI_SMM_CLOSE         Close;
+  EFI_SMM_LOCK          Lock;
+  EFI_SMM_CAPABILITIES  GetCapabilities;
+  BOOLEAN               LockState;
+  BOOLEAN               OpenState;
+} EFI_SMM_ACCESS_PROTOCOL;
+
+extern EFI_GUID gEfiSmmAccessProtocolGuid;
+
+#endif