SecurityPkg/Library/Tpm2CommandLib/Tpm2Test.c

   1 /** @file
   2   Implement TPM2 Test related command.
   3
   4 Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <IndustryStandard/UefiTcgPlatform.h>
  10 #include <Library/Tpm2CommandLib.h>
  11 #include <Library/Tpm2DeviceLib.h>
  12 #include <Library/BaseMemoryLib.h>
  13 #include <Library/BaseLib.h>
  14 #include <Library/DebugLib.h>
  15
  16 #pragma pack(1)
  17
  18 typedef struct {
  19   TPM2_COMMAND_HEADER    Header;
  20   TPMI_YES_NO            FullTest;
  21 } TPM2_SELF_TEST_COMMAND;
  22
  23 typedef struct {
  24   TPM2_RESPONSE_HEADER    Header;
  25 } TPM2_SELF_TEST_RESPONSE;
  26
  27 #pragma pack()
  28
  29 /**
  30   This command causes the TPM to perform a test of its capabilities.
  31   If the fullTest is YES, the TPM will test all functions.
  32   If fullTest = NO, the TPM will only test those functions that have not previously been tested.
  33
  34   @param[in] FullTest    YES if full test to be performed
  35                          NO if only test of untested functions required
  36
  37   @retval EFI_SUCCESS      Operation completed successfully.
  38   @retval EFI_DEVICE_ERROR Unexpected device behavior.
  39 **/
  40 EFI_STATUS
  41 EFIAPI
  42 Tpm2SelfTest (
  43   IN TPMI_YES_NO  FullTest
  44   )
  45 {
  46   EFI_STATUS               Status;
  47   TPM2_SELF_TEST_COMMAND   Cmd;
  48   TPM2_SELF_TEST_RESPONSE  Res;
  49   UINT32                   ResultBufSize;
  50
  51   Cmd.Header.tag         = SwapBytes16 (TPM_ST_NO_SESSIONS);
  52   Cmd.Header.paramSize   = SwapBytes32 (sizeof (Cmd));
  53   Cmd.Header.commandCode = SwapBytes32 (TPM_CC_SelfTest);
  54   Cmd.FullTest           = FullTest;
  55
  56   ResultBufSize = sizeof (Res);
  57   Status        = Tpm2SubmitCommand (sizeof (Cmd), (UINT8 *)&Cmd, &ResultBufSize, (UINT8 *)&Res);
  58
  59   return Status;
  60 }