Report the setting variable failure to platform through the status code when core cannot handle the error.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15385 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Include/Guid/StatusCodeDataTypeVariable.h

@@ -0,0 +1,40 @@
+/** @file
+  This file defines the GUID and data structure used to pass variable setting 
+  failure information to the Status Code Protocol.
+
+Copyright (c) 2014, 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 _STATUS_CODE_DATA_TYPE_VARIABLE_H_
+#define _STATUS_CODE_DATA_TYPE_VARIABLE_H_
+
+///
+/// The Global ID used to identify a structure of type EDKII_SET_VARIABLE_STATUS.
+/// The status code value is PcdGet32 (PcdErrorCodeSetVariable).
+///
+#define EDKII_STATUS_CODE_DATA_TYPE_VARIABLE_GUID \
+  { \
+    0xf6ee6dbb, 0xd67f, 0x4ea0, { 0x8b, 0x96, 0x6a, 0x71, 0xb1, 0x9d, 0x84, 0xad } \
+  }
+
+typedef struct {
+  EFI_GUID   Guid;
+  UINTN      NameSize;
+  UINTN      DataSize;
+  EFI_STATUS SetStatus;
+  UINT32     Attributes;
+  // CHAR16  Name[];
+  // UINT8   Data[];
+} EDKII_SET_VARIABLE_STATUS;
+
+extern EFI_GUID gEdkiiStatusCodeDataTypeVariableGuid;
+
+#endif // _STATUS_CODE_DATA_TYPE_VARIABLE_H_