1 files changed, 73 insertions, 0 deletions
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.<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