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 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 <PiPei.h>
  16 #include <Library/Tpm12CommandLib.h>
  17 #include <Library/BaseLib.h>
  18 #include <Library/Tpm12DeviceLib.h>
  19
  20 /**
  21 Send TPM_ContinueSelfTest command to TPM.
  22
  23 @retval EFI_SUCCESS           Operation completed successfully.
  24 @retval EFI_TIMEOUT           The register can't run into the expected status in time.
  25 @retval EFI_BUFFER_TOO_SMALL  Response data buffer is too small.
  26 @retval EFI_DEVICE_ERROR      Unexpected device behavior.
  27
  28 **/
  29 EFI_STATUS
  30 EFIAPI
  31 Tpm12ContinueSelfTest (
  32   VOID
  33   )
  34 {
  35   TPM_RQU_COMMAND_HDR  Command;
  36   TPM_RSP_COMMAND_HDR  Response;
  37   UINT32               Length;
  38
  39   //
  40   // send Tpm command TPM_ORD_ContinueSelfTest
  41   //
  42   Command.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);
  43   Command.paramSize = SwapBytes32 (sizeof (Command));
  44   Command.ordinal   = SwapBytes32 (TPM_ORD_ContinueSelfTest);
  45   return Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);
  46 }