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