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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>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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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