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 This program and the accompanying materials
   7 are licensed and made available under the terms and conditions
   8 of the BSD License which accompanies this distribution.  The
   9 full text of the license may be found at
  10 http://opensource.org/licenses/bsd-license.php
  11
  12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14
  15 **/
  16
  17 #ifndef _SMM_LOCK_BOX_GUID_H_
  18 #define _SMM_LOCK_BOX_GUID_H_
  19
  20 #define EFI_SMM_LOCK_BOX_COMMUNICATION_GUID \
  21   {0x2a3cfebd, 0x27e8, 0x4d0a, {0x8b, 0x79, 0xd6, 0x88, 0xc2, 0xa3, 0xe1, 0xc0}}
  22
  23 //
  24 // Below data structure is used for communication between PEI/DXE to SMM.
  25 //
  26
  27 #define EFI_SMM_LOCK_BOX_COMMAND_SAVE                 0x1
  28 #define EFI_SMM_LOCK_BOX_COMMAND_UPDATE               0x2
  29 #define EFI_SMM_LOCK_BOX_COMMAND_RESTORE              0x3
  30 #define EFI_SMM_LOCK_BOX_COMMAND_SET_ATTRIBUTES       0x4
  31 #define EFI_SMM_LOCK_BOX_COMMAND_RESTORE_ALL_IN_PLACE 0x5
  32
  33 typedef struct {
  34   UINT32                         Command;
  35   UINT32                         DataLength;
  36   UINT64                         ReturnStatus;
  37 } EFI_SMM_LOCK_BOX_PARAMETER_HEADER;
  38
  39 typedef struct {
  40   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  41   GUID                               Guid;
  42   PHYSICAL_ADDRESS                   Buffer;
  43   UINT64                             Length;
  44 } EFI_SMM_LOCK_BOX_PARAMETER_SAVE;
  45
  46 typedef struct {
  47   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  48   GUID                               Guid;
  49   UINT64                             Offset;
  50   PHYSICAL_ADDRESS                   Buffer;
  51   UINT64                             Length;
  52 } EFI_SMM_LOCK_BOX_PARAMETER_UPDATE;
  53
  54 typedef struct {
  55   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  56   GUID                               Guid;
  57   PHYSICAL_ADDRESS                   Buffer;
  58   UINT64                             Length;
  59 } EFI_SMM_LOCK_BOX_PARAMETER_RESTORE;
  60
  61 typedef struct {
  62   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  63   GUID                               Guid;
  64   UINT64                             Attributes;
  65 } EFI_SMM_LOCK_BOX_PARAMETER_SET_ATTRIBUTES;
  66
  67 typedef struct {
  68   EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  69 } EFI_SMM_LOCK_BOX_PARAMETER_RESTORE_ALL_IN_PLACE;
  70
  71 extern EFI_GUID gEfiSmmLockBoxCommunicationGuid;
  72
  73 #endif