SecurityPkg/Include/Library/TcgEventLogRecordLib.h

/** @file
  This library is used by other modules to measure Firmware to TPM.

Copyright (c) 2020, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef _TCG_EVENTLOGRECORD_LIB_H_
#define _TCG_EVENTLOGRECORD_LIB_H_

#include <Uefi.h>

#pragma pack (1)

#define PLATFORM_FIRMWARE_BLOB_DESC  "Fv(XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)"
typedef struct {
  UINT8                   BlobDescriptionSize;
  UINT8                   BlobDescription[sizeof (PLATFORM_FIRMWARE_BLOB_DESC)];
  EFI_PHYSICAL_ADDRESS    BlobBase;
  UINT64                  BlobLength;
} PLATFORM_FIRMWARE_BLOB2_STRUCT;

#define HANDOFF_TABLE_POINTER_DESC  "1234567890ABCDEF"
typedef struct {
  UINT8                      TableDescriptionSize;
  UINT8                      TableDescription[sizeof (HANDOFF_TABLE_POINTER_DESC)];
  UINT64                     NumberOfTables;
  EFI_CONFIGURATION_TABLE    TableEntry[1];
} HANDOFF_TABLE_POINTERS2_STRUCT;

#pragma pack ()

/**
  Get the FvName from the FV header.

  Causion: The FV is untrusted input.

  @param[in]  FvBase            Base address of FV image.
  @param[in]  FvLength          Length of FV image.

  @return FvName pointer
  @retval NULL   FvName is NOT found
**/
VOID *
TpmMeasurementGetFvName (
  IN EFI_PHYSICAL_ADDRESS  FvBase,
  IN UINT64                FvLength
  );

/**
  Measure a FirmwareBlob.

  @param[in]  PcrIndex                PCR Index.
  @param[in]  Description             Description for this FirmwareBlob.
  @param[in]  FirmwareBlobBase        Base address of this FirmwareBlob.
  @param[in]  FirmwareBlobLength      Size in bytes of this FirmwareBlob.

  @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
MeasureFirmwareBlob (
  IN UINT32                PcrIndex,
  IN CHAR8                 *Description OPTIONAL,
  IN EFI_PHYSICAL_ADDRESS  FirmwareBlobBase,
  IN UINT64                FirmwareBlobLength
  );

/**
  Measure a HandoffTable.

  @param[in]  PcrIndex                PcrIndex of the measurement.
  @param[in]  Description             Description for this HandoffTable.
  @param[in]  TableGuid               GUID of this HandoffTable.
  @param[in]  TableAddress            Base address of this HandoffTable.
  @param[in]  TableLength             Size in bytes of this HandoffTable.

  @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
MeasureHandoffTable (
  IN UINT32    PcrIndex,
  IN CHAR8     *Description OPTIONAL,
  IN EFI_GUID  *TableGuid,
  IN VOID      *TableAddress,
  IN UINTN     TableLength
  );

#endif