MdeModulePkg/Include/Guid/SmmLockBox.h

   1 /** @file
   2   SmmLockBox guid header file.
   3
   4 Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
   5
   6 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #ifndef _SMM_LOCK_BOX_GUID_H_
  11 #define _SMM_LOCK_BOX_GUID_H_
  12
  13 #define EFI_SMM_LOCK_BOX_COMMUNICATION_GUID \
  14   {0x2a3cfebd, 0x27e8, 0x4d0a, {0x8b, 0x79, 0xd6, 0x88, 0xc2, 0xa3, 0xe1, 0xc0}}
  15
  16 //
  17 // Below data structure is used for communication between PEI/DXE to SMM.
  18 //
  19
  20 #define EFI_SMM_LOCK_BOX_COMMAND_SAVE                 0x1
  21 #define EFI_SMM_LOCK_BOX_COMMAND_UPDATE               0x2
  22 #define EFI_SMM_LOCK_BOX_COMMAND_RESTORE              0x3
  23 #define EFI_SMM_LOCK_BOX_COMMAND_SET_ATTRIBUTES       0x4
  24 #define EFI_SMM_LOCK_BOX_COMMAND_RESTORE_ALL_IN_PLACE 0x5
  25
  26 typedef struct {
  27   UINT32                         Command;
  28   UINT32                         DataLength;
  29   UINT64                         ReturnStatus;
  30 } EFI_SMM_LOCK_BOX_PARAMETER_HEADER;
  31
  32 typedef struct {
  33   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  34   GUID                               Guid;
  35   PHYSICAL_ADDRESS                   Buffer;
  36   UINT64                             Length;
  37 } EFI_SMM_LOCK_BOX_PARAMETER_SAVE;
  38
  39 typedef struct {
  40   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  41   GUID                               Guid;
  42   UINT64                             Offset;
  43   PHYSICAL_ADDRESS                   Buffer;
  44   UINT64                             Length;
  45 } EFI_SMM_LOCK_BOX_PARAMETER_UPDATE;
  46
  47 typedef struct {
  48   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  49   GUID                               Guid;
  50   PHYSICAL_ADDRESS                   Buffer;
  51   UINT64                             Length;
  52 } EFI_SMM_LOCK_BOX_PARAMETER_RESTORE;
  53
  54 typedef struct {
  55   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  56   GUID                               Guid;
  57   UINT64                             Attributes;
  58 } EFI_SMM_LOCK_BOX_PARAMETER_SET_ATTRIBUTES;
  59
  60 typedef struct {
  61   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  62 } EFI_SMM_LOCK_BOX_PARAMETER_RESTORE_ALL_IN_PLACE;
  63
  64 extern EFI_GUID gEfiSmmLockBoxCommunicationGuid;
  65
  66 #endif