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/** @file
This library is used by other modules to send TPM12 command.
Copyright (c) 2013 - 2018, 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 _TPM12_COMMAND_LIB_H_
#define _TPM12_COMMAND_LIB_H_
#include <IndustryStandard/Tpm12.h>
/**
Send Startup command to TPM1.2.
@param TpmSt Startup Type.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12Startup (
IN TPM_STARTUP_TYPE TpmSt
);
/**
Send SaveState command to TPM1.2.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12SaveState (
VOID
);
/**
Send ForceClear command to TPM1.2.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12ForceClear (
VOID
);
#pragma pack(1)
typedef struct {
UINT16 sizeOfSelect;
UINT8 pcrSelect[3];
} TPM12_PCR_SELECTION;
typedef struct {
TPM12_PCR_SELECTION pcrSelection;
TPM_LOCALITY_SELECTION localityAtRelease;
TPM_COMPOSITE_HASH digestAtRelease;
} TPM12_PCR_INFO_SHORT;
typedef struct {
TPM_STRUCTURE_TAG tag;
TPM_NV_INDEX nvIndex;
TPM12_PCR_INFO_SHORT pcrInfoRead;
TPM12_PCR_INFO_SHORT pcrInfoWrite;
TPM_NV_ATTRIBUTES permission;
BOOLEAN bReadSTClear;
BOOLEAN bWriteSTClear;
BOOLEAN bWriteDefine;
UINT32 dataSize;
} TPM12_NV_DATA_PUBLIC;
#pragma pack()
/**
Send NV DefineSpace command to TPM1.2.
@param PubInfo The public parameters of the NV area.
@param EncAuth The encrypted AuthData, only valid if the attributes require subsequent authorization.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12NvDefineSpace (
IN TPM12_NV_DATA_PUBLIC *PubInfo,
IN TPM_ENCAUTH *EncAuth
);
/**
Send NV ReadValue command to TPM1.2.
@param NvIndex The index of the area to set.
@param Offset The offset into the area.
@param DataSize The size of the data area.
@param Data The data to set the area to.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12NvReadValue (
IN TPM_NV_INDEX NvIndex,
IN UINT32 Offset,
IN OUT UINT32 *DataSize,
OUT UINT8 *Data
);
/**
Send NV WriteValue command to TPM1.2.
@param NvIndex The index of the area to set.
@param Offset The offset into the NV Area.
@param DataSize The size of the data parameter.
@param Data The data to set the area to.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12NvWriteValue (
IN TPM_NV_INDEX NvIndex,
IN UINT32 Offset,
IN UINT32 DataSize,
IN UINT8 *Data
);
/**
Extend a TPM PCR.
@param[in] DigestToExtend The 160 bit value representing the event to be recorded.
@param[in] PcrIndex The PCR to be updated.
@param[out] NewPcrValue New PCR value after extend.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_TIMEOUT The register can't run into the expected status in time.
@retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12Extend (
IN TPM_DIGEST *DigestToExtend,
IN TPM_PCRINDEX PcrIndex,
OUT TPM_DIGEST *NewPcrValue
);
/**
Send TSC_PhysicalPresence command to TPM.
@param[in] PhysicalPresence The state to set the TPMs Physical Presence flags.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_TIMEOUT The register can't run into the expected status in time.
@retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12PhysicalPresence (
IN TPM_PHYSICAL_PRESENCE PhysicalPresence
);
/**
Send TPM_ContinueSelfTest command to TPM.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_TIMEOUT The register can't run into the expected status in time.
@retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12ContinueSelfTest (
VOID
);
/**
Get TPM capability permanent flags.
@param[out] TpmPermanentFlags Pointer to the buffer for returned flag structure.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_TIMEOUT The register can't run into the expected status in time.
@retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
**/
EFI_STATUS
EFIAPI
Tpm12GetCapabilityFlagPermanent (
OUT TPM_PERMANENT_FLAGS *TpmPermanentFlags
);
/**
Get TPM capability volatile flags.
@param[out] VolatileFlags Pointer to the buffer for returned flag structure.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_DEVICE_ERROR The command was unsuccessful.
**/
EFI_STATUS
EFIAPI
Tpm12GetCapabilityFlagVolatile (
OUT TPM_STCLEAR_FLAGS *VolatileFlags
);
#endif
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