2 Implement TPM1.2 Ownership related command.
4 Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved. <BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
16 #include <Library/BaseMemoryLib.h>
17 #include <Library/BaseLib.h>
18 #include <Library/Tpm12DeviceLib.h>
21 Send ForceClear command to TPM1.2.
23 @retval EFI_SUCCESS Operation completed successfully.
24 @retval EFI_DEVICE_ERROR Unexpected device behavior.
33 TPM_RQU_COMMAND_HDR Command
;
34 TPM_RSP_COMMAND_HDR Response
;
38 // send Tpm command TPM_ORD_ForceClear
40 Command
.tag
= SwapBytes16 (TPM_TAG_RQU_COMMAND
);
41 Command
.paramSize
= SwapBytes32 (sizeof (Command
));
42 Command
.ordinal
= SwapBytes32 (TPM_ORD_ForceClear
);
43 Length
= sizeof (Response
);
45 Status
= Tpm12SubmitCommand (sizeof (Command
), (UINT8
*)&Command
, &Length
, (UINT8
*)&Response
);
46 if (EFI_ERROR (Status
)) {
49 switch (SwapBytes32 (Response
.returnCode
)) {
53 return EFI_DEVICE_ERROR
;