--- /dev/null
+/** @file\r
+ GUID used as EFI Variable for the device path of Boot file on HardDevice.\r
+ \r
+Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials are licensed and made available under \r
+the terms and conditions of the BSD License that accompanies this distribution. \r
+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 __HD_DEVICE_PATH_VARIABLE_GUID_H__\r
+#define __HD_DEVICE_PATH_VARIABLE_GUID_H__\r
+\r
+///\r
+/// This GUID is used for an EFI Variable that stores the front device pathes\r
+/// for a partial device path that starts with the HD node.\r
+///\r
+#define HD_BOOT_DEVICE_PATH_VARIABLE_GUID \\r
+ { \\r
+ 0xfab7e9e1, 0x39dd, 0x4f2b, { 0x84, 0x8, 0xe2, 0xe, 0x90, 0x6c, 0xb6, 0xde } \\r
+ }\r
+\r
+#define HD_BOOT_DEVICE_PATH_VARIABLE_NAME L"HDDP"\r
+\r
+extern EFI_GUID gHdBootDevicePathVariablGuid;\r
+\r
+#endif\r