MdeModulePkg/Include/Guid/VarErrorFlag.h

   1 /** @file
   2   Variable error flag definitions.
   3
   4   Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef _VARIABLE_ERROR_FLAG_H_
  10 #define _VARIABLE_ERROR_FLAG_H_
  11
  12 //
  13 // Before EndOfDxe, the variable indicates the last boot variable error flag,
  14 // then it means the last boot variable error flag must be got before EndOfDxe.
  15 // After EndOfDxe, the variable indicates the current boot variable error flag,
  16 // then it means the current boot variable error flag must be got after EndOfDxe.
  17 //
  18 // If the variable is not present, it has the same meaning with VAR_ERROR_FLAG_NO_ERROR.
  19 //
  20 #define VAR_ERROR_FLAG_NAME  L"VarErrorFlag"
  21
  22 #define VAR_ERROR_FLAG_NO_ERROR      0xFF    // 1111-1111
  23 #define VAR_ERROR_FLAG_SYSTEM_ERROR  0xEF    // 1110-1111
  24 #define VAR_ERROR_FLAG_USER_ERROR    0xFE    // 1111-1110
  25
  26 typedef UINT8 VAR_ERROR_FLAG;
  27
  28 #define EDKII_VAR_ERROR_FLAG_GUID  {\
  29   0x4b37fe8, 0xf6ae, 0x480b, { 0xbd, 0xd5, 0x37, 0xd9, 0x8c, 0x5e, 0x89, 0xaa } \
  30 };
  31
  32 extern EFI_GUID  gEdkiiVarErrorFlagGuid;
  33
  34 #endif