[mirror_edk2.git] / SecurityPkg / Library / Tpm12CommandLib / Tpm12NvStorage.c

/** @file\r
  Implement TPM1.2 NV storage related command.\r
\r
Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved. <BR>\r
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/Tpm12CommandLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/Tpm12DeviceLib.h>\r
\r
//\r
// Max TPM NV value length\r
//\r
#define TPMNVVALUELENGTH  1024\r
\r
#pragma pack(1)\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR   Hdr;\r
  TPM12_NV_DATA_PUBLIC  PubInfo;\r
  TPM_ENCAUTH           EncAuth;\r
} TPM_CMD_NV_DEFINE_SPACE;\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR   Hdr;\r
  TPM_NV_INDEX          NvIndex;\r
  UINT32                Offset;\r
  UINT32                DataSize;\r
} TPM_CMD_NV_READ_VALUE;\r
\r
typedef struct {\r
  TPM_RSP_COMMAND_HDR   Hdr;\r
  UINT32                DataSize;\r
  UINT8                 Data[TPMNVVALUELENGTH];\r
} TPM_RSP_NV_READ_VALUE;\r
\r
typedef struct {\r
  TPM_RQU_COMMAND_HDR   Hdr;\r
  TPM_NV_INDEX          NvIndex;\r
  UINT32                Offset;\r
  UINT32                DataSize;\r
  UINT8                 Data[TPMNVVALUELENGTH];\r
} TPM_CMD_NV_WRITE_VALUE;\r
\r
#pragma pack()\r
\r
/**\r
  Send NV DefineSpace command to TPM1.2.\r
  \r
  @param PubInfo           The public parameters of the NV area.\r
  @param EncAuth           The encrypted AuthData, only valid if the attributes require subsequent authorization.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvDefineSpace (\r
  IN TPM12_NV_DATA_PUBLIC  *PubInfo,\r
  IN TPM_ENCAUTH           *EncAuth\r
  )\r
{\r
  EFI_STATUS               Status;\r
  TPM_CMD_NV_DEFINE_SPACE  Command;\r
  TPM_RSP_COMMAND_HDR      Response;\r
  UINT32                   Length;\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_DefineSpace\r
  //\r
  Command.Hdr.tag         = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  Command.Hdr.paramSize   = SwapBytes32 (sizeof (Command));\r
  Command.Hdr.ordinal     = SwapBytes32 (TPM_ORD_NV_DefineSpace);\r
  Command.PubInfo.tag     = SwapBytes16 (PubInfo->tag);\r
  Command.PubInfo.nvIndex = SwapBytes32 (PubInfo->nvIndex);\r
  Command.PubInfo.pcrInfoRead.pcrSelection.sizeOfSelect  = SwapBytes16 (PubInfo->pcrInfoRead.pcrSelection.sizeOfSelect);\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[0]  = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[0];\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[1]  = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[1];\r
  Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[2]  = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[2];\r
  Command.PubInfo.pcrInfoRead.localityAtRelease          = PubInfo->pcrInfoRead.localityAtRelease;\r
  CopyMem (&Command.PubInfo.pcrInfoRead.digestAtRelease, &PubInfo->pcrInfoRead.digestAtRelease, sizeof(PubInfo->pcrInfoRead.digestAtRelease));\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.sizeOfSelect = SwapBytes16 (PubInfo->pcrInfoWrite.pcrSelection.sizeOfSelect);\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[0] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[0];\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[1] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[1];\r
  Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[2] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[2];\r
  Command.PubInfo.pcrInfoWrite.localityAtRelease         = PubInfo->pcrInfoWrite.localityAtRelease;\r
  CopyMem (&Command.PubInfo.pcrInfoWrite.digestAtRelease, &PubInfo->pcrInfoWrite.digestAtRelease, sizeof(PubInfo->pcrInfoWrite.digestAtRelease));\r
  Command.PubInfo.permission.tag        = SwapBytes16 (PubInfo->permission.tag);\r
  Command.PubInfo.permission.attributes = SwapBytes32 (PubInfo->permission.attributes);\r
  Command.PubInfo.bReadSTClear          = PubInfo->bReadSTClear;\r
  Command.PubInfo.bWriteSTClear         = PubInfo->bWriteSTClear;\r
  Command.PubInfo.bWriteDefine          = PubInfo->bWriteDefine;\r
  Command.PubInfo.dataSize              = SwapBytes32 (PubInfo->dataSize);\r
  CopyMem (&Command.EncAuth, EncAuth, sizeof(*EncAuth));\r
  Length = sizeof (Response);\r
  Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  DEBUG ((DEBUG_INFO, "Tpm12NvDefineSpace - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
  switch (SwapBytes32 (Response.returnCode)) {\r
  case TPM_SUCCESS:\r
    return EFI_SUCCESS;\r
  default:\r
    return EFI_DEVICE_ERROR;\r
  }\r
}\r
\r
/**\r
  Send NV ReadValue command to TPM1.2.\r
\r
  @param NvIndex           The index of the area to set.\r
  @param Offset            The offset into the area.\r
  @param DataSize          The size of the data area.\r
  @param Data              The data to set the area to.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvReadValue (\r
  IN TPM_NV_INDEX  NvIndex,\r
  IN UINT32        Offset,\r
  IN OUT UINT32    *DataSize,\r
  OUT UINT8        *Data\r
  )\r
{\r
  EFI_STATUS             Status;\r
  TPM_CMD_NV_READ_VALUE  Command;\r
  TPM_RSP_NV_READ_VALUE  Response;\r
  UINT32                 Length;\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_ReadValue\r
  //\r
  Command.Hdr.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));\r
  Command.Hdr.ordinal   = SwapBytes32 (TPM_ORD_NV_ReadValue);\r
  Command.NvIndex       = SwapBytes32 (NvIndex);\r
  Command.Offset        = SwapBytes32 (Offset);\r
  Command.DataSize      = SwapBytes32 (*DataSize);\r
  Length = sizeof (Response);\r
  Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  DEBUG ((DEBUG_INFO, "Tpm12NvReadValue - ReturnCode = %x\n", SwapBytes32 (Response.Hdr.returnCode)));\r
  switch (SwapBytes32 (Response.Hdr.returnCode)) {\r
  case TPM_SUCCESS:\r
    break;\r
  default:\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  //\r
  // Return the response\r
  //\r
  if (SwapBytes32 (Response.DataSize) > *DataSize) {\r
    return EFI_BUFFER_TOO_SMALL;\r
  }\r
  *DataSize = SwapBytes32 (Response.DataSize);\r
  ZeroMem (Data, *DataSize);\r
  CopyMem (Data, &Response.Data, *DataSize);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Send NV WriteValue command to TPM1.2.\r
  \r
  @param NvIndex           The index of the area to set.\r
  @param Offset            The offset into the NV Area.\r
  @param DataSize          The size of the data parameter.\r
  @param Data              The data to set the area to.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12NvWriteValue (\r
  IN TPM_NV_INDEX  NvIndex,\r
  IN UINT32        Offset,\r
  IN UINT32        DataSize,\r
  IN UINT8         *Data\r
  )\r
{\r
  EFI_STATUS              Status;\r
  TPM_CMD_NV_WRITE_VALUE  Command;\r
  UINT32                  CommandLength;\r
  TPM_RSP_COMMAND_HDR     Response;\r
  UINT32                  ResponseLength;\r
\r
  if (DataSize > sizeof (Command.Data)) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  //\r
  // send Tpm command TPM_ORD_NV_WriteValue\r
  //\r
  Command.Hdr.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  CommandLength = sizeof (Command) - sizeof(Command.Data) + DataSize;\r
  Command.Hdr.paramSize = SwapBytes32 (CommandLength);\r
  Command.Hdr.ordinal   = SwapBytes32 (TPM_ORD_NV_WriteValue);\r
  Command.NvIndex       = SwapBytes32 (NvIndex);\r
  Command.Offset        = SwapBytes32 (Offset);\r
  Command.DataSize      = SwapBytes32 (DataSize);\r
  CopyMem (Command.Data, Data, DataSize);\r
  ResponseLength = sizeof (Response);\r
  Status = Tpm12SubmitCommand (CommandLength, (UINT8 *)&Command, &ResponseLength, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
  DEBUG ((DEBUG_INFO, "Tpm12NvWritedValue - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
  switch (SwapBytes32 (Response.returnCode)) {\r
  case TPM_SUCCESS:\r
    return EFI_SUCCESS;\r
  default:\r
    return EFI_DEVICE_ERROR;\r
  }\r
}\r
Commit	Line	Data
92ca0c67 JY	1	/** @file\r
	2	Implement TPM1.2 NV storage related command.\r
	3	\r
83b9662f	4	Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved. <BR>\r
8b1331df	5	(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r
92ca0c67 JY	6	This program and the accompanying materials\r
	7	are licensed and made available under the terms and conditions of the BSD License\r
	8	which accompanies this distribution. The full text of the license may be found at\r
	9	http://opensource.org/licenses/bsd-license.php\r
	10	\r
	11	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	12	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	13	\r
	14	**/\r
	15	\r
83b9662f	16	#include <PiPei.h>\r
92ca0c67	17	#include <Library/Tpm12CommandLib.h>\r
83b9662f	18	#include <Library/BaseLib.h>\r
92ca0c67	19	#include <Library/DebugLib.h>\r
83b9662f MK	20	#include <Library/BaseMemoryLib.h>\r
83b9662f MK	21	#include <Library/Tpm12DeviceLib.h>\r
92ca0c67 JY	22	\r
92ca0c67 JY	23	//\r
83b9662f	24	// Max TPM NV value length\r
92ca0c67	25	//\r
83b9662f	26	#define TPMNVVALUELENGTH 1024\r
92ca0c67 JY	27	\r
	28	#pragma pack(1)\r
	29	\r
	30	typedef struct {\r
	31	TPM_RQU_COMMAND_HDR Hdr;\r
	32	TPM12_NV_DATA_PUBLIC PubInfo;\r
	33	TPM_ENCAUTH EncAuth;\r
	34	} TPM_CMD_NV_DEFINE_SPACE;\r
	35	\r
92ca0c67 JY	36	typedef struct {\r
	37	TPM_RQU_COMMAND_HDR Hdr;\r
	38	TPM_NV_INDEX NvIndex;\r
	39	UINT32 Offset;\r
	40	UINT32 DataSize;\r
	41	} TPM_CMD_NV_READ_VALUE;\r
	42	\r
	43	typedef struct {\r
	44	TPM_RSP_COMMAND_HDR Hdr;\r
	45	UINT32 DataSize;\r
83b9662f	46	UINT8 Data[TPMNVVALUELENGTH];\r
92ca0c67 JY	47	} TPM_RSP_NV_READ_VALUE;\r
	48	\r
	49	typedef struct {\r
	50	TPM_RQU_COMMAND_HDR Hdr;\r
	51	TPM_NV_INDEX NvIndex;\r
	52	UINT32 Offset;\r
	53	UINT32 DataSize;\r
83b9662f	54	UINT8 Data[TPMNVVALUELENGTH];\r
92ca0c67 JY	55	} TPM_CMD_NV_WRITE_VALUE;\r
92ca0c67 JY	56	\r
92ca0c67 JY	57	#pragma pack()\r
	58	\r
	59	/**\r
	60	Send NV DefineSpace command to TPM1.2.\r
	61	\r
	62	@param PubInfo The public parameters of the NV area.\r
	63	@param EncAuth The encrypted AuthData, only valid if the attributes require subsequent authorization.\r
	64	\r
	65	@retval EFI_SUCCESS Operation completed successfully.\r
	66	@retval EFI_DEVICE_ERROR Unexpected device behavior.\r
	67	**/\r
	68	EFI_STATUS\r
	69	EFIAPI\r
	70	Tpm12NvDefineSpace (\r
	71	IN TPM12_NV_DATA_PUBLIC *PubInfo,\r
	72	IN TPM_ENCAUTH *EncAuth\r
	73	)\r
	74	{\r
83b9662f MK	75	EFI_STATUS Status;\r
	76	TPM_CMD_NV_DEFINE_SPACE Command;\r
	77	TPM_RSP_COMMAND_HDR Response;\r
	78	UINT32 Length;\r
92ca0c67 JY	79	\r
	80	//\r
	81	// send Tpm command TPM_ORD_NV_DefineSpace\r
	82	//\r
83b9662f MK	83	Command.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
	84	Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));\r
	85	Command.Hdr.ordinal = SwapBytes32 (TPM_ORD_NV_DefineSpace);\r
	86	Command.PubInfo.tag = SwapBytes16 (PubInfo->tag);\r
	87	Command.PubInfo.nvIndex = SwapBytes32 (PubInfo->nvIndex);\r
	88	Command.PubInfo.pcrInfoRead.pcrSelection.sizeOfSelect = SwapBytes16 (PubInfo->pcrInfoRead.pcrSelection.sizeOfSelect);\r
	89	Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[0] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[0];\r
	90	Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[1] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[1];\r
	91	Command.PubInfo.pcrInfoRead.pcrSelection.pcrSelect[2] = PubInfo->pcrInfoRead.pcrSelection.pcrSelect[2];\r
	92	Command.PubInfo.pcrInfoRead.localityAtRelease = PubInfo->pcrInfoRead.localityAtRelease;\r
	93	CopyMem (&Command.PubInfo.pcrInfoRead.digestAtRelease, &PubInfo->pcrInfoRead.digestAtRelease, sizeof(PubInfo->pcrInfoRead.digestAtRelease));\r
	94	Command.PubInfo.pcrInfoWrite.pcrSelection.sizeOfSelect = SwapBytes16 (PubInfo->pcrInfoWrite.pcrSelection.sizeOfSelect);\r
	95	Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[0] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[0];\r
	96	Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[1] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[1];\r
	97	Command.PubInfo.pcrInfoWrite.pcrSelection.pcrSelect[2] = PubInfo->pcrInfoWrite.pcrSelection.pcrSelect[2];\r
	98	Command.PubInfo.pcrInfoWrite.localityAtRelease = PubInfo->pcrInfoWrite.localityAtRelease;\r
	99	CopyMem (&Command.PubInfo.pcrInfoWrite.digestAtRelease, &PubInfo->pcrInfoWrite.digestAtRelease, sizeof(PubInfo->pcrInfoWrite.digestAtRelease));\r
	100	Command.PubInfo.permission.tag = SwapBytes16 (PubInfo->permission.tag);\r
	101	Command.PubInfo.permission.attributes = SwapBytes32 (PubInfo->permission.attributes);\r
	102	Command.PubInfo.bReadSTClear = PubInfo->bReadSTClear;\r
	103	Command.PubInfo.bWriteSTClear = PubInfo->bWriteSTClear;\r
	104	Command.PubInfo.bWriteDefine = PubInfo->bWriteDefine;\r
	105	Command.PubInfo.dataSize = SwapBytes32 (PubInfo->dataSize);\r
	106	CopyMem (&Command.EncAuth, EncAuth, sizeof(*EncAuth));\r
	107	Length = sizeof (Response);\r
	108	Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 )&Command, &Length, (UINT8 )&Response);\r
92ca0c67 JY	109	if (EFI_ERROR (Status)) {\r
	110	return Status;\r
	111	}\r
83b9662f MK	112	DEBUG ((DEBUG_INFO, "Tpm12NvDefineSpace - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
83b9662f MK	113	switch (SwapBytes32 (Response.returnCode)) {\r
92ca0c67	114	case TPM_SUCCESS:\r
83b9662f	115	return EFI_SUCCESS;\r
92ca0c67 JY	116	default:\r
	117	return EFI_DEVICE_ERROR;\r
	118	}\r
92ca0c67 JY	119	}\r
	120	\r
	121	/**\r
	122	Send NV ReadValue command to TPM1.2.\r
	123	\r
	124	@param NvIndex The index of the area to set.\r
	125	@param Offset The offset into the area.\r
	126	@param DataSize The size of the data area.\r
	127	@param Data The data to set the area to.\r
	128	\r
	129	@retval EFI_SUCCESS Operation completed successfully.\r
	130	@retval EFI_DEVICE_ERROR Unexpected device behavior.\r
	131	**/\r
	132	EFI_STATUS\r
	133	EFIAPI\r
	134	Tpm12NvReadValue (\r
83b9662f MK	135	IN TPM_NV_INDEX NvIndex,\r
	136	IN UINT32 Offset,\r
	137	IN OUT UINT32 *DataSize,\r
	138	OUT UINT8 *Data\r
92ca0c67 JY	139	)\r
92ca0c67 JY	140	{\r
83b9662f MK	141	EFI_STATUS Status;\r
	142	TPM_CMD_NV_READ_VALUE Command;\r
	143	TPM_RSP_NV_READ_VALUE Response;\r
	144	UINT32 Length;\r
92ca0c67 JY	145	\r
	146	//\r
	147	// send Tpm command TPM_ORD_NV_ReadValue\r
	148	//\r
83b9662f MK	149	Command.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
	150	Command.Hdr.paramSize = SwapBytes32 (sizeof (Command));\r
	151	Command.Hdr.ordinal = SwapBytes32 (TPM_ORD_NV_ReadValue);\r
	152	Command.NvIndex = SwapBytes32 (NvIndex);\r
	153	Command.Offset = SwapBytes32 (Offset);\r
	154	Command.DataSize = SwapBytes32 (*DataSize);\r
	155	Length = sizeof (Response);\r
	156	Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 )&Command, &Length, (UINT8 )&Response);\r
92ca0c67 JY	157	if (EFI_ERROR (Status)) {\r
	158	return Status;\r
	159	}\r
83b9662f MK	160	DEBUG ((DEBUG_INFO, "Tpm12NvReadValue - ReturnCode = %x\n", SwapBytes32 (Response.Hdr.returnCode)));\r
83b9662f MK	161	switch (SwapBytes32 (Response.Hdr.returnCode)) {\r
92ca0c67 JY	162	case TPM_SUCCESS:\r
	163	break;\r
	164	default:\r
	165	return EFI_DEVICE_ERROR;\r
	166	}\r
	167	\r
	168	//\r
	169	// Return the response\r
	170	//\r
83b9662f MK	171	if (SwapBytes32 (Response.DataSize) > *DataSize) {\r
	172	return EFI_BUFFER_TOO_SMALL;\r
	173	}\r
	174	*DataSize = SwapBytes32 (Response.DataSize);\r
	175	ZeroMem (Data, *DataSize);\r
	176	CopyMem (Data, &Response.Data, *DataSize);\r
92ca0c67 JY	177	\r
	178	return EFI_SUCCESS;\r
	179	}\r
	180	\r
	181	/**\r
	182	Send NV WriteValue command to TPM1.2.\r
	183	\r
	184	@param NvIndex The index of the area to set.\r
	185	@param Offset The offset into the NV Area.\r
	186	@param DataSize The size of the data parameter.\r
	187	@param Data The data to set the area to.\r
	188	\r
	189	@retval EFI_SUCCESS Operation completed successfully.\r
	190	@retval EFI_DEVICE_ERROR Unexpected device behavior.\r
	191	**/\r
	192	EFI_STATUS\r
	193	EFIAPI\r
	194	Tpm12NvWriteValue (\r
83b9662f MK	195	IN TPM_NV_INDEX NvIndex,\r
	196	IN UINT32 Offset,\r
	197	IN UINT32 DataSize,\r
	198	IN UINT8 *Data\r
92ca0c67 JY	199	)\r
92ca0c67 JY	200	{\r
83b9662f MK	201	EFI_STATUS Status;\r
83b9662f MK	202	TPM_CMD_NV_WRITE_VALUE Command;\r
8b1331df	203	UINT32 CommandLength;\r
83b9662f	204	TPM_RSP_COMMAND_HDR Response;\r
8b1331df	205	UINT32 ResponseLength;\r
83b9662f MK	206	\r
83b9662f MK	207	if (DataSize > sizeof (Command.Data)) {\r
92ca0c67 JY	208	return EFI_UNSUPPORTED;\r
	209	}\r
	210	\r
	211	//\r
	212	// send Tpm command TPM_ORD_NV_WriteValue\r
	213	//\r
83b9662f	214	Command.Hdr.tag = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
8b1331df SEHM	215	CommandLength = sizeof (Command) - sizeof(Command.Data) + DataSize;\r
8b1331df SEHM	216	Command.Hdr.paramSize = SwapBytes32 (CommandLength);\r
83b9662f MK	217	Command.Hdr.ordinal = SwapBytes32 (TPM_ORD_NV_WriteValue);\r
	218	Command.NvIndex = SwapBytes32 (NvIndex);\r
	219	Command.Offset = SwapBytes32 (Offset);\r
	220	Command.DataSize = SwapBytes32 (DataSize);\r
	221	CopyMem (Command.Data, Data, DataSize);\r
8b1331df SEHM	222	ResponseLength = sizeof (Response);\r
8b1331df SEHM	223	Status = Tpm12SubmitCommand (CommandLength, (UINT8 )&Command, &ResponseLength, (UINT8 )&Response);\r
92ca0c67 JY	224	if (EFI_ERROR (Status)) {\r
	225	return Status;\r
	226	}\r
83b9662f MK	227	DEBUG ((DEBUG_INFO, "Tpm12NvWritedValue - ReturnCode = %x\n", SwapBytes32 (Response.returnCode)));\r
83b9662f MK	228	switch (SwapBytes32 (Response.returnCode)) {\r
92ca0c67	229	case TPM_SUCCESS:\r
83b9662f	230	return EFI_SUCCESS;\r
92ca0c67 JY	231	default:\r
	232	return EFI_DEVICE_ERROR;\r
	233	}\r
92ca0c67	234	}\r