Remove duplicated definitions EFI_VARIABLE_INDEX_TABLE_GUID in variable PEI drivers.

[mirror_edk2.git] / MdeModulePkg / Include / Guid / VariableIndexTable.h

diff --git a/MdeModulePkg/Include/Guid/VariableIndexTable.h b/MdeModulePkg/Include/Guid/VariableIndexTable.h
new file mode 100644 (file)
index 0000000..ee0722f
--- /dev/null
+++ b/MdeModulePkg/Include/Guid/VariableIndexTable.h
@@ -0,0 +1,47 @@
+/** @file\r
+  The variable data structures are related to EDK II-specific implementation of UEFI variables.\r
+  VariableFormat.h defines variable data headers and variable storage region headers.\r
+\r
+Copyright (c) 2006 - 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 __VARIABLE_INDEX_TABLE_H__\r
+#define __VARIABLE_INDEX_TABLE_H__\r
+\r
+typedef struct {\r
+  VARIABLE_HEADER *CurrPtr;\r
+  VARIABLE_HEADER *EndPtr;\r
+  VARIABLE_HEADER *StartPtr;\r
+} VARIABLE_POINTER_TRACK;\r
+\r
+#define VARIABLE_INDEX_TABLE_VOLUME 122\r
+\r
+#define EFI_VARIABLE_INDEX_TABLE_GUID \\r
+  { 0x8cfdb8c8, 0xd6b2, 0x40f3, { 0x8e, 0x97, 0x02, 0x30, 0x7c, 0xc9, 0x8b, 0x7c } }\r
+\r
+extern EFI_GUID gEfiVariableIndexTableGuid;\r
+\r
+///\r
+/// Use this data structure to store variable-related info, which can decrease\r
+/// the cost of access to NV.\r
+///\r
+typedef struct {\r
+  UINT16          Length;\r
+  UINT16          GoneThrough;\r
+  VARIABLE_HEADER *EndPtr;\r
+  VARIABLE_HEADER *StartPtr;\r
+  ///\r
+  /// This field is used to store the distance of two neighbouring VAR_ADDED type variables.\r
+  /// The meaning of the field is implement-dependent.\r
+  UINT16          Index[VARIABLE_INDEX_TABLE_VOLUME];\r
+} VARIABLE_INDEX_TABLE;\r
+\r
+#endif // __VARIABLE_INDEX_TABLE_H__\r