[mirror_edk2.git] / MdePkg / Include / Protocol / TcgService.h

/** @file\r
  TCG Service Protocol as defined in TCG_EFI_Protocol_1_20_Final\r
  See http://trustedcomputinggroup.org for the latest specification\r
\r
  Copyright (c) 2007 - 2008, Intel Corporation \r
  All rights reserved. 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
#ifndef _TCG_SERVICE_PROTOCOL_H_\r
#define _TCG_SERVICE_PROTOCOL_H_\r
\r
#include <Uefi/UefiTcgPlatform.h>\r
\r
#define EFI_TCG_PROTOCOL_GUID  \\r
  {0xf541796d, 0xa62e, 0x4954, { 0xa7, 0x75, 0x95, 0x84, 0xf6, 0x1b, 0x9c, 0xdd } } \r
\r
typedef struct _EFI_TCG_PROTOCOL EFI_TCG_PROTOCOL;\r
\r
//\r
// Set structure alignment to 1-byte\r
//\r
typedef struct {\r
  UINT8  Major;\r
  UINT8  Minor;\r
  UINT8  RevMajor;\r
  UINT8  RevMinor;\r
} TCG_VERSION;\r
\r
typedef struct _TCG_EFI_BOOT_SERVICE_CAPABILITY {\r
  UINT8          Size;                // Size of this structure\r
  TCG_VERSION    StructureVersion;    \r
  TCG_VERSION    ProtocolSpecVersion;\r
  UINT8          HashAlgorithmBitmap; // Hash algorithms  \r
                                      // this protocol is capable of : 01=SHA-1\r
  BOOLEAN        TPMPresentFlag;      // 00h = TPM not present\r
  BOOLEAN        TPMDeactivatedFlag;  // 01h = TPM currently deactivated\r
} TCG_EFI_BOOT_SERVICE_CAPABILITY;\r
\r
typedef UINT32   TCG_ALGORITHM_ID;\r
\r
/**\r
  This service provides EFI protocol capability information, state information \r
  about the TPM, and Event Log state information.\r
\r
  @param  This                   Indicates the calling context\r
  @param  ProtocolCapability     The callee allocates memory for a TCG_BOOT_SERVICE_CAPABILITY \r
                                 structure and fills in the fields with the EFI protocol \r
                                 capability information and the current TPM state information.\r
  @param  TCGFeatureFlags        This is a pointer to the feature flags. No feature \r
                                 flags are currently defined so this parameter \r
                                 MUST be set to 0. However, in the future, \r
                                 feature flags may be defined that, for example, \r
                                 enable hash algorithm agility.\r
  @param  EventLogLocation       This is a pointer to the address of the event log in memory.\r
  @param  EventLogLastEntry      If the Event Log contains more than one entry, \r
                                 this is a pointer to the address of the start of \r
                                 the last entry in the event log in memory. \r
\r
  @retval EFI_SUCCESS            Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR       The command was unsuccessful.\r
  @retval EFI_INVALID_PARAMETER  One or more of the parameters are incorrect.\r
  @retval EFI_BUFFER_TOO_SMALL   The receive buffer is too small.\r
  @retval EFI_NOT_FOUND          The component was not running\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_TCG_STATUS_CHECK)(\r
  IN      EFI_TCG_PROTOCOL          *This,\r
  OUT     TCG_EFI_BOOT_SERVICE_CAPABILITY\r
                                    *ProtocolCapability,\r
  OUT     UINT32                    *TCGFeatureFlags,\r
  OUT     EFI_PHYSICAL_ADDRESS      *EventLogLocation,\r
  OUT     EFI_PHYSICAL_ADDRESS      *EventLogLastEntry\r
  );\r
\r
/**\r
  This service abstracts the capability to do a hash operation on a data buffer.\r
  \r
  @param  This                   Indicates the calling context\r
  @param  HashData               Pointer to the data buffer to be hashed\r
  @param  HashDataLen            Length of the data buffer to be hashed\r
  @param  AlgorithmId            Identification of the Algorithm to use for the hashing operation\r
  @param  HashedDataLen          Resultant length of the hashed data\r
  @param  HashedDataResult       Resultant buffer of the hashed data  \r
  \r
  @retval EFI_SUCCESS            Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR       The command was unsuccessful.\r
  @retval EFI_INVALID_PARAMETER  One or more of the parameters are incorrect.\r
  @retval EFI_BUFFER_TOO_SMALL   The receive buffer is too small.\r
  @retval EFI_NOT_FOUND          The component was not running\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_TCG_HASH_ALL)(\r
  IN      EFI_TCG_PROTOCOL          *This,\r
  IN      UINT8                     *HashData,\r
  IN      UINT64                    HashDataLen,\r
  IN      TCG_ALGORITHM_ID          AlgorithmId,\r
  IN OUT  UINT64                    *HashedDataLen,\r
  IN OUT  UINT8                     **HashedDataResult\r
  );\r
\r
/**\r
  This service abstracts the capability to add an entry to the Event Log.\r
\r
  @param  This                   Indicates the calling context\r
  @param  TCGLogData             Pointer to the start of the data buffer containing \r
                                 the TCG_PCR_EVENT data structure. All fields in \r
                                 this structure are properly filled by the caller.\r
  @param  EventNumber            The event number of the event just logged\r
  @param  Flags                  Indicate additional flags. Only one flag has been \r
                                 defined at this time, which is 0x01 and means the \r
                                 extend operation should not be performed. All \r
                                 other bits are reserved. \r
 \r
  @retval EFI_SUCCESS            Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR       The command was unsuccessful.\r
  @retval EFI_INVALID_PARAMETER  One or more of the parameters are incorrect.\r
  @retval EFI_BUFFER_TOO_SMALL   The receive buffer is too small.\r
  @retval EFI_NOT_FOUND          The component was not running\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_TCG_LOG_EVENT)(\r
  IN      EFI_TCG_PROTOCOL          *This,\r
  IN      TCG_PCR_EVENT             *TCGLogData,\r
  IN OUT  UINT32                    *EventNumber,\r
  IN      UINT32                    Flags\r
  );\r
\r
/**\r
  This service is a proxy for commands to the TPM.\r
\r
  @param  This                        Indicates the calling context\r
  @param  TpmInputParameterBlockSize  Size of the TPM input parameter block\r
  @param  TpmInputParameterBlock      Pointer to the TPM input parameter block\r
  @param  TpmOutputParameterBlockSize Size of the TPM output parameter block\r
  @param  TpmOutputParameterBlock     Pointer to the TPM output parameter block\r
\r
  @retval EFI_SUCCESS            Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR       The command was unsuccessful.\r
  @retval EFI_INVALID_PARAMETER  One or more of the parameters are incorrect.\r
  @retval EFI_BUFFER_TOO_SMALL   The receive buffer is too small.\r
  @retval EFI_NOT_FOUND          The component was not running\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_TCG_PASS_THROUGH_TO_TPM)(\r
  IN      EFI_TCG_PROTOCOL          *This,\r
  IN      UINT32                    TpmInputParamterBlockSize,\r
  IN      UINT8                     *TpmInputParamterBlock,\r
  IN      UINT32                    TpmOutputParameterBlockSize,\r
  IN      UINT8                     *TpmOutputParameterBlock\r
  );\r
\r
/**\r
  This service abstracts the capability to do a hash operation on a data buffer, extend a specific TPM PCR with the hash result, and add an entry to the Event Log\r
\r
  @param  This                   Indicates the calling context\r
  @param  HashData               Physical address of the start of the data buffer \r
                                 to be hashed, extended, and logged.\r
  @param  HashDataLen            The length, in bytes, of the buffer referenced by HashData\r
  @param  AlgorithmId            Identification of the Algorithm to use for the hashing operation\r
  @param  TCGLogData             The physical address of the start of the data \r
                                 buffer containing the TCG_PCR_EVENT data structure.\r
  @param  EventNumber            The event number of the event just logged.\r
  @param  EventLogLastEntry      Physical address of the first byte of the entry \r
                                 just placed in the Event Log. If the Event Log was \r
                                 empty when this function was called then this physical \r
                                 address will be the same as the physical address of \r
                                 the start of the Event Log.\r
\r
  @retval EFI_SUCCESS            Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR       The command was unsuccessful.\r
  @retval EFI_INVALID_PARAMETER  One or more of the parameters are incorrect.\r
  @retval EFI_BUFFER_TOO_SMALL   The receive buffer is too small.\r
  @retval EFI_NOT_FOUND          The component was not running\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_TCG_HASH_LOG_EXTEND_EVENT)(\r
  IN      EFI_TCG_PROTOCOL          *This,\r
  IN      EFI_PHYSICAL_ADDRESS      HashData,\r
  IN      UINT64                    HashDataLen,\r
  IN      TCG_ALGORITHM_ID          AlgorithmId,\r
  IN OUT  TCG_PCR_EVENT             *TCGLogData,\r
  IN OUT  UINT32                    *EventNumber,\r
     OUT  EFI_PHYSICAL_ADDRESS      *EventLogLastEntry\r
  );\r
\r
///\r
/// The EFI_TCG Protocol abstracts TCG activity.\r
///\r
struct _EFI_TCG_PROTOCOL {\r
  EFI_TCG_STATUS_CHECK              StatusCheck;\r
  EFI_TCG_HASH_ALL                  HashAll;\r
  EFI_TCG_LOG_EVENT                 LogEvent;\r
  EFI_TCG_PASS_THROUGH_TO_TPM       PassThroughToTpm;\r
  EFI_TCG_HASH_LOG_EXTEND_EVENT     HashLogExtendEvent;\r
};\r
\r
extern EFI_GUID gEfiTcgProtocolGuid;\r
\r
#endif\r
Commit	Line	Data
ac644614	1	/** @file\r
267669ba	2	TCG Service Protocol as defined in TCG_EFI_Protocol_1_20_Final\r
ac644614	3	See http://trustedcomputinggroup.org for the latest specification\r
ac644614	4	\r
4ca9b6c4	5	Copyright (c) 2007 - 2008, Intel Corporation \r
ac644614	6	All rights reserved. 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
8069d49e	14	**/\r
267669ba LG	15	\r
	16	#ifndef _TCG_SERVICE_PROTOCOL_H_\r
	17	#define _TCG_SERVICE_PROTOCOL_H_\r
	18	\r
	19	#include <Uefi/UefiTcgPlatform.h>\r
	20	\r
	21	#define EFI_TCG_PROTOCOL_GUID \\r
	22	{0xf541796d, 0xa62e, 0x4954, { 0xa7, 0x75, 0x95, 0x84, 0xf6, 0x1b, 0x9c, 0xdd } } \r
	23	\r
	24	typedef struct _EFI_TCG_PROTOCOL EFI_TCG_PROTOCOL;\r
	25	\r
	26	//\r
	27	// Set structure alignment to 1-byte\r
	28	//\r
267669ba LG	29	typedef struct {\r
	30	UINT8 Major;\r
	31	UINT8 Minor;\r
	32	UINT8 RevMajor;\r
	33	UINT8 RevMinor;\r
	34	} TCG_VERSION;\r
	35	\r
	36	typedef struct _TCG_EFI_BOOT_SERVICE_CAPABILITY {\r
	37	UINT8 Size; // Size of this structure\r
	38	TCG_VERSION StructureVersion; \r
	39	TCG_VERSION ProtocolSpecVersion;\r
	40	UINT8 HashAlgorithmBitmap; // Hash algorithms \r
	41	// this protocol is capable of : 01=SHA-1\r
	42	BOOLEAN TPMPresentFlag; // 00h = TPM not present\r
	43	BOOLEAN TPMDeactivatedFlag; // 01h = TPM currently deactivated\r
	44	} TCG_EFI_BOOT_SERVICE_CAPABILITY;\r
	45	\r
	46	typedef UINT32 TCG_ALGORITHM_ID;\r
	47	\r
8069d49e LG	48	/**\r
	49	This service provides EFI protocol capability information, state information \r
	50	about the TPM, and Event Log state information.\r
	51	\r
	52	@param This Indicates the calling context\r
	53	@param ProtocolCapability The callee allocates memory for a TCG_BOOT_SERVICE_CAPABILITY \r
	54	structure and fills in the fields with the EFI protocol \r
	55	capability information and the current TPM state information.\r
	56	@param TCGFeatureFlags This is a pointer to the feature flags. No feature \r
	57	flags are currently defined so this parameter \r
	58	MUST be set to 0. However, in the future, \r
	59	feature flags may be defined that, for example, \r
	60	enable hash algorithm agility.\r
	61	@param EventLogLocation This is a pointer to the address of the event log in memory.\r
	62	@param EventLogLastEntry If the Event Log contains more than one entry, \r
	63	this is a pointer to the address of the start of \r
	64	the last entry in the event log in memory. \r
	65	\r
	66	@retval EFI_SUCCESS Operation completed successfully.\r
	67	@retval EFI_DEVICE_ERROR The command was unsuccessful.\r
	68	@retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r
	69	@retval EFI_BUFFER_TOO_SMALL The receive buffer is too small.\r
	70	@retval EFI_NOT_FOUND The component was not running\r
	71	\r
	72	**/\r
267669ba LG	73	typedef\r
267669ba LG	74	EFI_STATUS\r
8b13229b	75	(EFIAPI *EFI_TCG_STATUS_CHECK)(\r
267669ba LG	76	IN EFI_TCG_PROTOCOL *This,\r
	77	OUT TCG_EFI_BOOT_SERVICE_CAPABILITY\r
	78	*ProtocolCapability,\r
	79	OUT UINT32 *TCGFeatureFlags,\r
	80	OUT EFI_PHYSICAL_ADDRESS *EventLogLocation,\r
	81	OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry\r
	82	);\r
	83	\r
8069d49e LG	84	/**\r
	85	This service abstracts the capability to do a hash operation on a data buffer.\r
	86	\r
	87	@param This Indicates the calling context\r
	88	@param HashData Pointer to the data buffer to be hashed\r
	89	@param HashDataLen Length of the data buffer to be hashed\r
	90	@param AlgorithmId Identification of the Algorithm to use for the hashing operation\r
	91	@param HashedDataLen Resultant length of the hashed data\r
	92	@param HashedDataResult Resultant buffer of the hashed data \r
	93	\r
	94	@retval EFI_SUCCESS Operation completed successfully.\r
	95	@retval EFI_DEVICE_ERROR The command was unsuccessful.\r
	96	@retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r
	97	@retval EFI_BUFFER_TOO_SMALL The receive buffer is too small.\r
	98	@retval EFI_NOT_FOUND The component was not running\r
	99	\r
	100	**/\r
267669ba LG	101	typedef\r
267669ba LG	102	EFI_STATUS\r
8b13229b	103	(EFIAPI *EFI_TCG_HASH_ALL)(\r
267669ba LG	104	IN EFI_TCG_PROTOCOL *This,\r
	105	IN UINT8 *HashData,\r
	106	IN UINT64 HashDataLen,\r
	107	IN TCG_ALGORITHM_ID AlgorithmId,\r
	108	IN OUT UINT64 *HashedDataLen,\r
	109	IN OUT UINT8 **HashedDataResult\r
	110	);\r
	111	\r
8069d49e LG	112	/**\r
	113	This service abstracts the capability to add an entry to the Event Log.\r
	114	\r
	115	@param This Indicates the calling context\r
	116	@param TCGLogData Pointer to the start of the data buffer containing \r
	117	the TCG_PCR_EVENT data structure. All fields in \r
	118	this structure are properly filled by the caller.\r
	119	@param EventNumber The event number of the event just logged\r
	120	@param Flags Indicate additional flags. Only one flag has been \r
	121	defined at this time, which is 0x01 and means the \r
	122	extend operation should not be performed. All \r
	123	other bits are reserved. \r
	124	\r
	125	@retval EFI_SUCCESS Operation completed successfully.\r
	126	@retval EFI_DEVICE_ERROR The command was unsuccessful.\r
	127	@retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r
	128	@retval EFI_BUFFER_TOO_SMALL The receive buffer is too small.\r
	129	@retval EFI_NOT_FOUND The component was not running\r
	130	**/\r
267669ba LG	131	typedef\r
267669ba LG	132	EFI_STATUS\r
8b13229b	133	(EFIAPI *EFI_TCG_LOG_EVENT)(\r
267669ba LG	134	IN EFI_TCG_PROTOCOL *This,\r
	135	IN TCG_PCR_EVENT *TCGLogData,\r
	136	IN OUT UINT32 *EventNumber,\r
	137	IN UINT32 Flags\r
	138	);\r
	139	\r
8069d49e LG	140	/**\r
	141	This service is a proxy for commands to the TPM.\r
	142	\r
	143	@param This Indicates the calling context\r
	144	@param TpmInputParameterBlockSize Size of the TPM input parameter block\r
	145	@param TpmInputParameterBlock Pointer to the TPM input parameter block\r
	146	@param TpmOutputParameterBlockSize Size of the TPM output parameter block\r
	147	@param TpmOutputParameterBlock Pointer to the TPM output parameter block\r
	148	\r
	149	@retval EFI_SUCCESS Operation completed successfully.\r
	150	@retval EFI_DEVICE_ERROR The command was unsuccessful.\r
	151	@retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r
	152	@retval EFI_BUFFER_TOO_SMALL The receive buffer is too small.\r
	153	@retval EFI_NOT_FOUND The component was not running\r
	154	**/\r
267669ba LG	155	typedef\r
267669ba LG	156	EFI_STATUS\r
8b13229b	157	(EFIAPI *EFI_TCG_PASS_THROUGH_TO_TPM)(\r
267669ba LG	158	IN EFI_TCG_PROTOCOL *This,\r
	159	IN UINT32 TpmInputParamterBlockSize,\r
	160	IN UINT8 *TpmInputParamterBlock,\r
	161	IN UINT32 TpmOutputParameterBlockSize,\r
	162	IN UINT8 *TpmOutputParameterBlock\r
	163	);\r
	164	\r
8069d49e LG	165	/**\r
	166	This service abstracts the capability to do a hash operation on a data buffer, extend a specific TPM PCR with the hash result, and add an entry to the Event Log\r
	167	\r
	168	@param This Indicates the calling context\r
	169	@param HashData Physical address of the start of the data buffer \r
	170	to be hashed, extended, and logged.\r
	171	@param HashDataLen The length, in bytes, of the buffer referenced by HashData\r
	172	@param AlgorithmId Identification of the Algorithm to use for the hashing operation\r
	173	@param TCGLogData The physical address of the start of the data \r
	174	buffer containing the TCG_PCR_EVENT data structure.\r
	175	@param EventNumber The event number of the event just logged.\r
	176	@param EventLogLastEntry Physical address of the first byte of the entry \r
	177	just placed in the Event Log. If the Event Log was \r
	178	empty when this function was called then this physical \r
	179	address will be the same as the physical address of \r
	180	the start of the Event Log.\r
	181	\r
	182	@retval EFI_SUCCESS Operation completed successfully.\r
	183	@retval EFI_DEVICE_ERROR The command was unsuccessful.\r
	184	@retval EFI_INVALID_PARAMETER One or more of the parameters are incorrect.\r
	185	@retval EFI_BUFFER_TOO_SMALL The receive buffer is too small.\r
	186	@retval EFI_NOT_FOUND The component was not running\r
	187	**/\r
267669ba LG	188	typedef\r
267669ba LG	189	EFI_STATUS\r
8b13229b	190	(EFIAPI *EFI_TCG_HASH_LOG_EXTEND_EVENT)(\r
267669ba	191	IN EFI_TCG_PROTOCOL *This,\r
5397fc66	192	IN EFI_PHYSICAL_ADDRESS HashData,\r
267669ba LG	193	IN UINT64 HashDataLen,\r
	194	IN TCG_ALGORITHM_ID AlgorithmId,\r
	195	IN OUT TCG_PCR_EVENT *TCGLogData,\r
	196	IN OUT UINT32 *EventNumber,\r
	197	OUT EFI_PHYSICAL_ADDRESS *EventLogLastEntry\r
	198	);\r
	199	\r
44717a39	200	///\r
	201	/// The EFI_TCG Protocol abstracts TCG activity.\r
	202	///\r
c28a5554	203	struct _EFI_TCG_PROTOCOL {\r
267669ba LG	204	EFI_TCG_STATUS_CHECK StatusCheck;\r
	205	EFI_TCG_HASH_ALL HashAll;\r
	206	EFI_TCG_LOG_EVENT LogEvent;\r
	207	EFI_TCG_PASS_THROUGH_TO_TPM PassThroughToTpm;\r
	208	EFI_TCG_HASH_LOG_EXTEND_EVENT HashLogExtendEvent;\r
c28a5554	209	};\r
267669ba LG	210	\r
	211	extern EFI_GUID gEfiTcgProtocolGuid;\r
	212	\r
	213	#endif\r