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hc

2024-03-22 a0752693d998599af469473b8dc239ef973a012f

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/** @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