| 1 | /** @file
|
|---|
| 2 | The variable data structures are related to EDK II-specific implementation of UEFI variables.
|
|---|
| 3 | VariableFormat.h defines variable data headers and variable storage region headers.
|
|---|
| 4 |
|
|---|
| 5 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
|
|---|
| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent
|
|---|
| 7 |
|
|---|
| 8 | **/
|
|---|
| 9 |
|
|---|
| 10 | #ifndef __VARIABLE_INDEX_TABLE_H__
|
|---|
| 11 | #define __VARIABLE_INDEX_TABLE_H__
|
|---|
| 12 |
|
|---|
| 13 | typedef struct {
|
|---|
| 14 | VARIABLE_HEADER *CurrPtr;
|
|---|
| 15 | VARIABLE_HEADER *EndPtr;
|
|---|
| 16 | VARIABLE_HEADER *StartPtr;
|
|---|
| 17 | } VARIABLE_POINTER_TRACK;
|
|---|
| 18 |
|
|---|
| 19 | #define VARIABLE_INDEX_TABLE_VOLUME 122
|
|---|
| 20 |
|
|---|
| 21 | #define EFI_VARIABLE_INDEX_TABLE_GUID \
|
|---|
| 22 | { 0x8cfdb8c8, 0xd6b2, 0x40f3, { 0x8e, 0x97, 0x02, 0x30, 0x7c, 0xc9, 0x8b, 0x7c } }
|
|---|
| 23 |
|
|---|
| 24 | extern EFI_GUID gEfiVariableIndexTableGuid;
|
|---|
| 25 |
|
|---|
| 26 | ///
|
|---|
| 27 | /// Use this data structure to store variable-related info, which can decrease
|
|---|
| 28 | /// the cost of access to NV.
|
|---|
| 29 | ///
|
|---|
| 30 | typedef struct {
|
|---|
| 31 | UINT16 Length;
|
|---|
| 32 | UINT16 GoneThrough;
|
|---|
| 33 | VARIABLE_HEADER *EndPtr;
|
|---|
| 34 | VARIABLE_HEADER *StartPtr;
|
|---|
| 35 | ///
|
|---|
| 36 | /// This field is used to store the distance of two neighbouring VAR_ADDED type variables.
|
|---|
| 37 | /// The meaning of the field is implement-dependent.
|
|---|
| 38 | UINT16 Index[VARIABLE_INDEX_TABLE_VOLUME];
|
|---|
| 39 | } VARIABLE_INDEX_TABLE;
|
|---|
| 40 |
|
|---|
| 41 | #endif // __VARIABLE_INDEX_TABLE_H__
|
|---|
