MdeModulePkg/Include/Guid/SmmLockBox.h

/** @file
  SmmLockBox guid header file.

Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>

This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution.  The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef _SMM_LOCK_BOX_GUID_H_
#define _SMM_LOCK_BOX_GUID_H_

#define EFI_SMM_LOCK_BOX_COMMUNICATION_GUID \
  {0x2a3cfebd, 0x27e8, 0x4d0a, {0x8b, 0x79, 0xd6, 0x88, 0xc2, 0xa3, 0xe1, 0xc0}}

//
// Below data structure is used for communication between PEI/DXE to SMM.
//

#define EFI_SMM_LOCK_BOX_COMMAND_SAVE                 0x1
#define EFI_SMM_LOCK_BOX_COMMAND_UPDATE               0x2
#define EFI_SMM_LOCK_BOX_COMMAND_RESTORE              0x3
#define EFI_SMM_LOCK_BOX_COMMAND_SET_ATTRIBUTES       0x4
#define EFI_SMM_LOCK_BOX_COMMAND_RESTORE_ALL_IN_PLACE 0x5

typedef struct {
  UINT32                         Command;
  UINT32                         DataLength;
  UINT64                         ReturnStatus;
} EFI_SMM_LOCK_BOX_PARAMETER_HEADER;

typedef struct {
  EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  GUID                               Guid;
  PHYSICAL_ADDRESS                   Buffer;
  UINT64                             Length;
} EFI_SMM_LOCK_BOX_PARAMETER_SAVE;

typedef struct {
  EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  GUID                               Guid;
  UINT64                             Offset;
  PHYSICAL_ADDRESS                   Buffer;
  UINT64                             Length;
} EFI_SMM_LOCK_BOX_PARAMETER_UPDATE;

typedef struct {
  EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  GUID                               Guid;
  PHYSICAL_ADDRESS                   Buffer;
  UINT64                             Length;
} EFI_SMM_LOCK_BOX_PARAMETER_RESTORE;

typedef struct {
  EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
  GUID                               Guid;
  UINT64                             Attributes;
} EFI_SMM_LOCK_BOX_PARAMETER_SET_ATTRIBUTES;

typedef struct {
  EFI_SMM_LOCK_BOX_PARAMETER_HEADER  Header;
} EFI_SMM_LOCK_BOX_PARAMETER_RESTORE_ALL_IN_PLACE;

extern EFI_GUID gEfiSmmLockBoxCommunicationGuid;

#endif