Add gEdkiiSmmEndOfS3ResumeProtocolGuid which used by SmmCore to
notify smm drives that S3 resume has finished.

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
---
 MdeModulePkg/Include/Protocol/SmmEndOfS3Resume.h | 26 ++++++++++++++++++++++++
 MdeModulePkg/MdeModulePkg.dec                    |  3 +++
 2 files changed, 29 insertions(+)
 create mode 100644 MdeModulePkg/Include/Protocol/SmmEndOfS3Resume.h

diff --git a/MdeModulePkg/Include/Protocol/SmmEndOfS3Resume.h b/MdeModulePkg/Include/Protocol/SmmEndOfS3Resume.h
new file mode 100644
index 0000000..9716f6a
--- /dev/null
+++ b/MdeModulePkg/Include/Protocol/SmmEndOfS3Resume.h
@@ -0,0 +1,26 @@
+/** @file
+  This Protocol will be installed at the end of S3 resume phase in SMM environment. 
+  It allows for smm drivers to hook this point and do the requried tasks.
+
+  Copyright (c) 2017, 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_END_OF_S3_RESUME_H__
+#define __SMM_END_OF_S3_RESUME_H__
+
+#define EDKII_SMM_END_OF_S3_RESUME_PROTOCOL_GUID \
+  { \
+    0x96f5296d, 0x05f7, 0x4f3c, {0x84, 0x67, 0xe4, 0x56, 0x89, 0x0e, 0x0c, 0xb5 } \
+  }
+
+extern EFI_GUID gEdkiiSmmEndOfS3ResumeProtocolGuid;
+
+#endif
diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index a3c0633..216e4f9 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -556,6 +556,9 @@
   ## Include/Protocol/IoMmu.h
   gEdkiiIoMmuProtocolGuid = { 0x4e939de9, 0xd948, 0x4b0f, { 0x88, 0xed, 0xe6, 0xe1, 0xce, 0x51, 0x7c, 0x1e } }
 
+  ## Include/Protocol/SmmEndofS3Resume.h
+  gEdkiiSmmEndOfS3ResumeProtocolGuid = { 0x96f5296d, 0x05f7, 0x4f3c, {0x84, 0x67, 0xe4, 0x56, 0x89, 0x0e, 0x0c, 0xb5 } }
+
 #
 # [Error.gEfiMdeModulePkgTokenSpaceGuid]
 #   0x80000001 | Invalid value provided.
-- 
2.7.0.windows.1

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