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diff --git a/BraswellPlatformPkg/Common/Silicon/IntelSiliconBasic/PiSmmCommunication/PiSmmCommunicationPrivate.h b/BraswellPlatformPkg/Common/Silicon/IntelSiliconBasic/PiSmmCommunication/PiSmmCommunicationPrivate.h
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+++ b/BraswellPlatformPkg/Common/Silicon/IntelSiliconBasic/PiSmmCommunication/PiSmmCommunicationPrivate.h
@@ -0,0 +1,31 @@
+/** @file
+ PiSmmCommunication private data structure
+
+ Copyright (c) 2010 - 2015, 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.
+
+**/
+
+#ifndef _SMM_COMMUNICATION_PRIVATE_H_
+#define _SMM_COMMUNICATION_PRIVATE_H_
+
+#pragma pack(push, 1)
+
+#define SMM_COMMUNICATION_SIGNATURE SIGNATURE_32 ('S','M','M','C')
+
+typedef struct {
+ UINT32 Signature;
+ UINT32 SwSmiNumber;
+ EFI_PHYSICAL_ADDRESS AcpiTableAddress;
+} EFI_SMM_COMMUNICATION_CONTEXT;
+
+#pragma pack(pop)
+
+#endif