MdeModulePkg/Include/Library/TpmMeasurementLib.h

   1 /** @file
   2   This library is used by other modules to measure data to TPM.
   3
   4 Copyright (c) 2012, Intel Corporation. All rights reserved. <BR>
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef _TPM_MEASUREMENT_LIB_H_
  10 #define _TPM_MEASUREMENT_LIB_H_
  11
  12 /**
  13   Tpm measure and log data, and extend the measurement result into a specific PCR.
  14
  15   @param[in]  PcrIndex         PCR Index.
  16   @param[in]  EventType        Event type.
  17   @param[in]  EventLog         Measurement event log.
  18   @param[in]  LogLen           Event log length in bytes.
  19   @param[in]  HashData         The start of the data buffer to be hashed, extended.
  20   @param[in]  HashDataLen      The length, in bytes, of the buffer referenced by HashData
  21
  22   @retval EFI_SUCCESS           Operation completed successfully.
  23   @retval EFI_UNSUPPORTED       TPM device not available.
  24   @retval EFI_OUT_OF_RESOURCES  Out of memory.
  25   @retval EFI_DEVICE_ERROR      The operation was unsuccessful.
  26 **/
  27 EFI_STATUS
  28 EFIAPI
  29 TpmMeasureAndLogData (
  30   IN UINT32             PcrIndex,
  31   IN UINT32             EventType,
  32   IN VOID               *EventLog,
  33   IN UINT32             LogLen,
  34   IN VOID               *HashData,
  35   IN UINT64             HashDataLen
  36   );
  37
  38 #endif