mirror of https://github.com/acidanthera/audk.git
100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
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/** @file
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Definitions and function prototypes used by TPM DXE driver.
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Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _TPM_COMM_H_
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#define _TPM_COMM_H_
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/**
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Add a new entry to the Event Log.
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@param[in, out] EventLogPtr Pointer to the Event Log data.
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@param[in, out] LogSize Size of the Event Log.
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@param[in] MaxSize Maximum size of the Event Log.
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@param[in] NewEventHdr Pointer to a TCG_PCR_EVENT_HDR data structure.
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@param[in] NewEventData Pointer to the new event data.
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@retval EFI_SUCCESS The new event log entry was added.
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@retval EFI_OUT_OF_RESOURCES No enough memory to log the new event.
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**/
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EFI_STATUS
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TpmCommLogEvent (
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IN OUT UINT8 **EventLogPtr,
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IN OUT UINTN *LogSize,
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IN UINTN MaxSize,
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IN TCG_PCR_EVENT_HDR *NewEventHdr,
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IN UINT8 *NewEventData
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);
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/**
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Extend a TPM PCR.
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@param[in] TpmHandle TPM handle.
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@param[in] DigestToExtend The 160 bit value representing the event to be recorded.
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@param[in] PcrIndex The PCR to be updated.
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@param[out] NewPcrValue New PCR value after extend.
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_DEVICE_ERROR The command was unsuccessful.
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**/
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EFI_STATUS
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TpmCommExtend (
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IN TIS_TPM_HANDLE TpmHandle,
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IN TPM_DIGEST *DigestToExtend,
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IN TPM_PCRINDEX PcrIndex,
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OUT TPM_DIGEST *NewPcrValue
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);
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/**
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Get TPM capability flags.
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@param[in] TpmHandle TPM handle.
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@param[in] FlagSubcap Flag subcap.
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@param[out] FlagBuffer Pointer to the buffer for returned flag structure.
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@param[in] FlagSize Size of the buffer.
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_DEVICE_ERROR The command was unsuccessful.
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**/
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EFI_STATUS
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TpmCommGetFlags (
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IN TIS_TPM_HANDLE TpmHandle,
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IN UINT32 FlagSubcap,
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OUT VOID *Buffer,
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IN UINTN Size
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);
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/**
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Send formatted command to TPM for execution and return formatted data from response.
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@param[in] TisReg TPM Handle.
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@param[in] Fmt Format control string.
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@param[in] ... The variable argument list.
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@retval EFI_SUCCESS Operation completed successfully.
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@retval EFI_TIMEOUT The register can't run into the expected status in time.
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**/
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EFI_STATUS
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EFIAPI
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TisPcExecute (
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IN TIS_TPM_HANDLE TisReg,
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IN CONST CHAR8 *Fmt,
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...
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);
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#endif // _TPM_COMM_H_
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