--- /dev/null
+/** @file\r
+ After S3 SMM initialization is done and before S3 boot script is executed,\r
+ this GUID is installed as PPI in PEI and protocol in SMM environment. \r
+ It allows for PEIMs or SMM drivers to hook this point and do the required tasks.\r
+\r
+ Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials \r
+ are licensed and made available under the terms and conditions of the BSD License \r
+ which accompanies this distribution. The full text of the license may be found at \r
+ http://opensource.org/licenses/bsd-license.php \r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+\r
+**/\r
+\r
+#ifndef __S3_SMM_INIT_DONE_H__\r
+#define __S3_SMM_INIT_DONE_H__\r
+\r
+#define EDKII_S3_SMM_INIT_DONE_GUID \\r
+ { \\r
+ 0x8f9d4825, 0x797d, 0x48fc, { 0x84, 0x71, 0x84, 0x50, 0x25, 0x79, 0x2e, 0xf6 } \\r
+ }\r
+\r
+extern EFI_GUID gEdkiiS3SmmInitDoneGuid;\r
+\r
+#endif\r