SecurityPkg/Library/Tpm12CommandLib/Tpm12SelfTest.c

   1 /** @file
   2   Implement TPM1.2 NV Self Test related commands.
   3
   4 Copyright (c) 2016, 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/Tpm12DeviceLib.h>
  20
  21 /**
  22 Send TPM_ContinueSelfTest command to TPM.
  23
  24 @retval EFI_SUCCESS           Operation completed successfully.
  25 @retval EFI_TIMEOUT           The register can't run into the expected status in time.
  26 @retval EFI_BUFFER_TOO_SMALL  Response data buffer is too small.
  27 @retval EFI_DEVICE_ERROR      Unexpected device behavior.
  28
  29 **/
  30 EFI_STATUS
  31 EFIAPI
  32 Tpm12ContinueSelfTest (
  33   VOID
  34   )
  35 {
  36   TPM_RQU_COMMAND_HDR  Command;
  37   TPM_RSP_COMMAND_HDR  Response;
  38   UINT32               Length;
  39
  40   //
  41   // send Tpm command TPM_ORD_ContinueSelfTest
  42   //
  43   Command.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);
  44   Command.paramSize = SwapBytes32 (sizeof (Command));
  45   Command.ordinal   = SwapBytes32 (TPM_ORD_ContinueSelfTest);
  46   Length = sizeof (Response);
  47   return Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);
  48 }