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path: root/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.c
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/** @file
  This library is used by other modules to measure data to TPM.

Copyright (c) 2015, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/

/**
  Tpm measure and log data, and extend the measurement result into a specific PCR.

  @param[in]  PcrIndex         PCR Index.
  @param[in]  EventType        Event type.
  @param[in]  EventLog         Measurement event log.
  @param[in]  LogLen           Event log length in bytes.
  @param[in]  HashData         The start of the data buffer to be hashed, extended.
  @param[in]  HashDataLen      The length, in bytes, of the buffer referenced by HashData

  @retval EFI_SUCCESS               Operation completed successfully.
  @retval EFI_UNSUPPORTED       TPM device not available.
  @retval EFI_OUT_OF_RESOURCES  Out of memory.
  @retval EFI_DEVICE_ERROR      The operation was unsuccessful.
**/
EFI_STATUS
EFIAPI
TpmMeasureAndLogData (
  IN UINT32             PcrIndex,
  IN UINT32             EventType,
  IN VOID               *EventLog,
  IN UINT32             LogLen,
  IN VOID               *HashData,
  IN UINT64             HashDataLen
  )
{
  //
  // Do nothing, just return EFI_SUCCESS.
  //
  return EFI_SUCCESS;
}