projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 9725730b | 1 | /** @file\r |
| 2 | The variable data structures are related to EDK II-specific implementation of UEFI variables.\r | |
| 3 | VariableFormat.h defines variable data headers and variable storage region headers.\r | |
| 4 | \r | |
| d1102dba LG |
5 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| 6 | This program and the accompanying materials are licensed and made available under\r | |
| 7 | the terms and conditions of the BSD License that accompanies this distribution.\r | |
| 9725730b | 8 | The full text of the license may be found at\r |
| d1102dba | 9 | http://opensource.org/licenses/bsd-license.php.\r |
| 9725730b | 10 | \r |
| d1102dba | 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 9725730b | 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 13 | \r | |
| 14 | **/\r | |
| 15 | \r | |
| 16 | #ifndef __VARIABLE_INDEX_TABLE_H__\r | |
| 17 | #define __VARIABLE_INDEX_TABLE_H__\r | |
| 18 | \r | |
| 19 | typedef struct {\r | |
| 20 | VARIABLE_HEADER *CurrPtr;\r | |
| 21 | VARIABLE_HEADER *EndPtr;\r | |
| 22 | VARIABLE_HEADER *StartPtr;\r | |
| 23 | } VARIABLE_POINTER_TRACK;\r | |
| 24 | \r | |
| 25 | #define VARIABLE_INDEX_TABLE_VOLUME 122\r | |
| 26 | \r | |
| 27 | #define EFI_VARIABLE_INDEX_TABLE_GUID \\r | |
| 28 | { 0x8cfdb8c8, 0xd6b2, 0x40f3, { 0x8e, 0x97, 0x02, 0x30, 0x7c, 0xc9, 0x8b, 0x7c } }\r | |
| 29 | \r | |
| 30 | extern EFI_GUID gEfiVariableIndexTableGuid;\r | |
| 31 | \r | |
| 32 | ///\r | |
| 33 | /// Use this data structure to store variable-related info, which can decrease\r | |
| 34 | /// the cost of access to NV.\r | |
| 35 | ///\r | |
| 36 | typedef struct {\r | |
| 37 | UINT16 Length;\r | |
| 38 | UINT16 GoneThrough;\r | |
| 39 | VARIABLE_HEADER *EndPtr;\r | |
| 40 | VARIABLE_HEADER *StartPtr;\r | |
| 41 | ///\r | |
| 42 | /// This field is used to store the distance of two neighbouring VAR_ADDED type variables.\r | |
| 43 | /// The meaning of the field is implement-dependent.\r | |
| 44 | UINT16 Index[VARIABLE_INDEX_TABLE_VOLUME];\r | |
| 45 | } VARIABLE_INDEX_TABLE;\r | |
| 46 | \r | |
| 47 | #endif // __VARIABLE_INDEX_TABLE_H__\r |