SecurityPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / SecurityPkg / Library / Tpm12CommandLib / Tpm12SelfTest.c

/** @file\r
  Implement TPM1.2 NV Self Test related commands.\r
\r
Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved. <BR>\r
(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/Tpm12CommandLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/Tpm12DeviceLib.h>\r
\r
/**\r
Send TPM_ContinueSelfTest command to TPM.\r
\r
@retval EFI_SUCCESS           Operation completed successfully.\r
@retval EFI_TIMEOUT           The register can't run into the expected status in time.\r
@retval EFI_BUFFER_TOO_SMALL  Response data buffer is too small.\r
@retval EFI_DEVICE_ERROR      Unexpected device behavior.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12ContinueSelfTest (\r
  VOID\r
  )\r
{\r
  EFI_STATUS           Status;\r
  TPM_RQU_COMMAND_HDR  Command;\r
  TPM_RSP_COMMAND_HDR  Response;\r
  UINT32               Length;\r
\r
  //\r
  // send Tpm command TPM_ORD_ContinueSelfTest\r
  //\r
  Command.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  Command.paramSize = SwapBytes32 (sizeof (Command));\r
  Command.ordinal   = SwapBytes32 (TPM_ORD_ContinueSelfTest);\r
  Length = sizeof (Response);\r
  Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  if (SwapBytes32 (Response.returnCode) != TPM_SUCCESS) {\r
    DEBUG ((DEBUG_ERROR, "Tpm12ContinueSelfTest: Response Code error! 0x%08x\r\n", SwapBytes32 (Response.returnCode)));\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  return Status;\r
}\r