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2024-03-22 a0752693d998599af469473b8dc239ef973a012f

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/** @file 
  Implement TPM2 Test related command. 
 
Copyright (c) 2013, Intel Corporation. All rights reserved. <BR> 
SPDX-License-Identifier: BSD-2-Clause-Patent 
 
**/ 
 
#include <IndustryStandard/UefiTcgPlatform.h> 
#include <Library/Tpm2CommandLib.h> 
#include <Library/Tpm2DeviceLib.h> 
#include <Library/BaseMemoryLib.h> 
#include <Library/BaseLib.h> 
#include <Library/DebugLib.h> 
 
#pragma pack(1) 
 
typedef struct { 
  TPM2_COMMAND_HEADER  Header; 
  TPMI_YES_NO          FullTest; 
} TPM2_SELF_TEST_COMMAND; 
 
typedef struct { 
  TPM2_RESPONSE_HEADER Header; 
} TPM2_SELF_TEST_RESPONSE; 
 
#pragma pack() 
 
/** 
  This command causes the TPM to perform a test of its capabilities. 
  If the fullTest is YES, the TPM will test all functions. 
  If fullTest = NO, the TPM will only test those functions that have not previously been tested. 
 
  @param[in] FullTest    YES if full test to be performed 
                         NO if only test of untested functions required 
 
  @retval EFI_SUCCESS      Operation completed successfully. 
  @retval EFI_DEVICE_ERROR Unexpected device behavior. 
**/ 
EFI_STATUS 
EFIAPI 
Tpm2SelfTest ( 
  IN TPMI_YES_NO          FullTest 
  ) 
{ 
  EFI_STATUS                        Status; 
  TPM2_SELF_TEST_COMMAND            Cmd; 
  TPM2_SELF_TEST_RESPONSE           Res; 
  UINT32                            ResultBufSize; 
 
  Cmd.Header.tag         = SwapBytes16(TPM_ST_NO_SESSIONS); 
  Cmd.Header.paramSize   = SwapBytes32(sizeof(Cmd)); 
  Cmd.Header.commandCode = SwapBytes32(TPM_CC_SelfTest); 
  Cmd.FullTest           = FullTest; 
 
  ResultBufSize = sizeof(Res); 
  Status = Tpm2SubmitCommand (sizeof(Cmd), (UINT8 *)&Cmd, &ResultBufSize, (UINT8 *)&Res); 
 
  return Status; 
}