SecurityPkg/Library/Tpm12CommandLib/Tpm12SelfTest.c

   1 /** @file
   2   Implement TPM1.2 NV Self Test related commands.
   3
   4 Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved. <BR>
   5 (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
   6 This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #include <PiPei.h>
  17 #include <Library/Tpm12CommandLib.h>
  18 #include <Library/BaseLib.h>
  19 #include <Library/DebugLib.h>
  20 #include <Library/Tpm12DeviceLib.h>
  21
  22 /**
  23 Send TPM_ContinueSelfTest command to TPM.
  24
  25 @retval EFI_SUCCESS           Operation completed successfully.
  26 @retval EFI_TIMEOUT           The register can't run into the expected status in time.
  27 @retval EFI_BUFFER_TOO_SMALL  Response data buffer is too small.
  28 @retval EFI_DEVICE_ERROR      Unexpected device behavior.
  29
  30 **/
  31 EFI_STATUS
  32 EFIAPI
  33 Tpm12ContinueSelfTest (
  34   VOID
  35   )
  36 {
  37   EFI_STATUS           Status;
  38   TPM_RQU_COMMAND_HDR  Command;
  39   TPM_RSP_COMMAND_HDR  Response;
  40   UINT32               Length;
  41
  42   //
  43   // send Tpm command TPM_ORD_ContinueSelfTest
  44   //
  45   Command.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);
  46   Command.paramSize = SwapBytes32 (sizeof (Command));
  47   Command.ordinal   = SwapBytes32 (TPM_ORD_ContinueSelfTest);
  48   Length = sizeof (Response);
  49   Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);
  50   if (EFI_ERROR (Status)) {
  51     return Status;
  52   }
  53
  54   if (SwapBytes32 (Response.returnCode) != TPM_SUCCESS) {
  55     DEBUG ((DEBUG_ERROR, "Tpm12ContinueSelfTest: Response Code error! 0x%08x\r\n", SwapBytes32 (Response.returnCode)));
  56     return EFI_DEVICE_ERROR;
  57   }
  58
  59   return Status;
  60 }