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diff --git a/MdeModulePkg/Include/Library/SmmCorePlatformHookLib.h b/MdeModulePkg/Include/Library/SmmCorePlatformHookLib.h
new file mode 100644
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+++ b/MdeModulePkg/Include/Library/SmmCorePlatformHookLib.h
@@ -0,0 +1,50 @@
+/** @file
+  Smm Core Platform Hook Library.  This library class defines a set of platform
+  hooks called by the SMM Core.
+
+Copyright (c) 2011, 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 that 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 __SMM_CORE_PLATFORM_HOOK_LIB__
+#define __SMM_CORE_PLATFORM_HOOK_LIB__
+
+/**
+  Performs platform specific tasks before invoking registered SMI handlers.
+  
+  This function performs platform specific tasks before invoking registered SMI handlers.
+  
+  @retval EFI_SUCCESS       The platform hook completes successfully.
+  @retval Other values      The paltform hook cannot complete due to some error.
+
+**/
+EFI_STATUS
+EFIAPI
+PlatformHookBeforeSmmDispatch (
+  VOID
+  );
+
+
+/**
+  Performs platform specific tasks after invoking registered SMI handlers.
+  
+  This function performs platform specific tasks after invoking registered SMI handlers.
+  
+  @retval EFI_SUCCESS       The platform hook completes successfully.
+  @retval Other values      The paltform hook cannot complete due to some error.
+
+**/
+EFI_STATUS
+EFIAPI
+PlatformHookAfterSmmDispatch (
+  VOID
+  );
+  
+#endif