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 This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include <IndustryStandard/UefiTcgPlatform.h>
  16 #include <Library/Tpm2CommandLib.h>
  17 #include <Library/Tpm2DeviceLib.h>
  18 #include <Library/BaseMemoryLib.h>
  19 #include <Library/BaseLib.h>
  20 #include <Library/DebugLib.h>
  21
  22 #pragma pack(1)
  23
  24 typedef struct {
  25   TPM2_COMMAND_HEADER  Header;
  26   TPMI_YES_NO          FullTest;
  27 } TPM2_SELF_TEST_COMMAND;
  28
  29 typedef struct {
  30   TPM2_RESPONSE_HEADER Header;
  31 } TPM2_SELF_TEST_RESPONSE;
  32
  33 #pragma pack()
  34
  35 /**
  36   This command causes the TPM to perform a test of its capabilities.
  37   If the fullTest is YES, the TPM will test all functions.
  38   If fullTest = NO, the TPM will only test those functions that have not previously been tested.
  39
  40   @param[in] FullTest    YES if full test to be performed
  41                          NO if only test of untested functions required
  42
  43   @retval EFI_SUCCESS      Operation completed successfully.
  44   @retval EFI_DEVICE_ERROR Unexpected device behavior.
  45 **/
  46 EFI_STATUS
  47 EFIAPI
  48 Tpm2SelfTest (
  49   IN TPMI_YES_NO          FullTest
  50   )
  51 {
  52   EFI_STATUS                        Status;
  53   TPM2_SELF_TEST_COMMAND            Cmd;
  54   TPM2_SELF_TEST_RESPONSE           Res;
  55   UINT32                            ResultBufSize;
  56
  57   Cmd.Header.tag         = SwapBytes16(TPM_ST_NO_SESSIONS);
  58   Cmd.Header.paramSize   = SwapBytes32(sizeof(Cmd));
  59   Cmd.Header.commandCode = SwapBytes32(TPM_CC_SelfTest);
  60   Cmd.FullTest           = FullTest;
  61
  62   ResultBufSize = sizeof(Res);
  63   Status = Tpm2SubmitCommand (sizeof(Cmd), (UINT8 *)&Cmd, &ResultBufSize, (UINT8 *)&Res);
  64
  65   return Status;
  66 }