From 1c837cd545b6b91c41f1fbebf84b54cb7ccf499e Mon Sep 17 00:00:00 2001 From: jljusten Date: Tue, 19 Jul 2011 20:47:28 +0000 Subject: MdeModulePkg: Add SMM LockBox This includes: * LockBox protocol definition * LockBoxLib library interface definition * SmmLockBox GUID * LockBoxNullLib library implementation * 2 SmmLockBoxLib library implementations * SmmLockBox SMM driver Signed-off-by: jljusten Reviewed-by: mdkinney Reviewed-by: geekboy15a Reviewed-by: jyao1 Reviewed-by: lgao4 git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12029 6f19259b-4bc3-4df7-8a09-765794883524 --- MdeModulePkg/Include/Guid/SmmLockBox.h | 73 ++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 MdeModulePkg/Include/Guid/SmmLockBox.h (limited to 'MdeModulePkg/Include/Guid') diff --git a/MdeModulePkg/Include/Guid/SmmLockBox.h b/MdeModulePkg/Include/Guid/SmmLockBox.h new file mode 100644 index 0000000000..8422847c5a --- /dev/null +++ b/MdeModulePkg/Include/Guid/SmmLockBox.h @@ -0,0 +1,73 @@ +/** @file + SmmLockBox guid header file. + +Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.
+ +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 -- cgit v1.2.3