EdkCompatibilityPkg/Foundation/Framework/Ppi/Variable/Variable.h

   1 /*++
   2
   3 Copyright (c) 2004, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   Variable.h
  15
  16 Abstract:
  17
  18   Read-only Variable Service PPI as defined in Tiano
  19
  20 --*/
  21
  22 #ifndef _PEI_READ_ONLY_VARIABLE_PPI_H
  23 #define _PEI_READ_ONLY_VARIABLE_PPI_H
  24
  25 #include "EfiVariable.h"
  26
  27 #define PEI_READ_ONLY_VARIABLE_ACCESS_PPI_GUID \
  28   { \
  29     0x3cdc90c6, 0x13fb, 0x4a75, {0x9e, 0x79, 0x59, 0xe9, 0xdd, 0x78, 0xb9, 0xfa} \
  30   }
  31
  32
  33 typedef
  34 EFI_STATUS
  35 (EFIAPI *PEI_GET_VARIABLE) (
  36   IN EFI_PEI_SERVICES             **PeiServices,
  37   IN CHAR16                       *VariableName,
  38   IN EFI_GUID                     * VendorGuid,
  39   OUT UINT32                      *Attributes OPTIONAL,
  40   IN OUT UINTN                    *DataSize,
  41   OUT VOID                        *Data
  42   );
  43
  44 typedef
  45 EFI_STATUS
  46 (EFIAPI *PEI_GET_NEXT_VARIABLE_NAME) (
  47   IN EFI_PEI_SERVICES             **PeiServices,
  48   IN OUT UINTN                    *VariableNameSize,
  49   IN OUT CHAR16                   *VariableName,
  50   IN OUT EFI_GUID                 * VendorGuid
  51   );
  52
  53 typedef struct PEI_READ_ONLY_VARIABLE_PPI {
  54   PEI_GET_VARIABLE            PeiGetVariable;
  55   PEI_GET_NEXT_VARIABLE_NAME  PeiGetNextVariableName;
  56 } PEI_READ_ONLY_VARIABLE_PPI;
  57
  58 EFI_FORWARD_DECLARATION (PEI_MASTER_BOOT_MODE_PPI);
  59
  60 extern EFI_GUID gPeiReadOnlyVariablePpiGuid;
  61
  62 #endif