UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / SecurityPkg / Library / Tpm12CommandLib / Tpm12Ownership.c

/** @file\r
  Implement TPM1.2 Ownership related command.\r
\r
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/Tpm12DeviceLib.h>\r
\r
/**\r
  Send ForceClear command to TPM1.2.\r
\r
  @retval EFI_SUCCESS      Operation completed successfully.\r
  @retval EFI_DEVICE_ERROR Unexpected device behavior.\r
**/\r
EFI_STATUS\r
EFIAPI\r
Tpm12ForceClear (\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_ForceClear\r
  //\r
  Command.tag       = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r
  Command.paramSize = SwapBytes32 (sizeof (Command));\r
  Command.ordinal   = SwapBytes32 (TPM_ORD_ForceClear);\r
  Length            = sizeof (Response);\r
\r
  Status = Tpm12SubmitCommand (sizeof (Command), (UINT8 *)&Command, &Length, (UINT8 *)&Response);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  switch (SwapBytes32 (Response.returnCode)) {\r
    case TPM_SUCCESS:\r
      return EFI_SUCCESS;\r
    default:\r
      return EFI_DEVICE_ERROR;\r
  }\r
}\r