SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/MmTcg2PhysicalPresenceLibCommon.h

   1 /** @file
   2   Handle TPM 2.0 physical presence requests from OS.
   3
   4   This library will handle TPM 2.0 physical presence request from OS.
   5
   6   Caution: This module requires additional review when modified.
   7   This driver will have external input - variable.
   8   This external input must be validated carefully to avoid security issue.
   9
  10   Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction() and Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction()
  11   will receive untrusted input and do validation.
  12
  13 Copyright (c) 2015 - 2020, Intel Corporation. All rights reserved.<BR>
  14 SPDX-License-Identifier: BSD-2-Clause-Patent
  15
  16 **/
  17
  18 #ifndef _MM_TCG2_PHYSICAL_PRESENCE_LIB_COMMON_H_
  19 #define _MM_TCG2_PHYSICAL_PRESENCE_LIB_COMMON_H_
  20
  21 /**
  22   The constructor function locates MmVariable protocol.
  23
  24   It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.
  25
  26   @retval EFI_SUCCESS   The constructor successfully added string package.
  27   @retval Other value   The constructor can't add string package.
  28 **/
  29 EFI_STATUS
  30 Tcg2PhysicalPresenceLibCommonConstructor (
  31   VOID
  32   );
  33
  34 #endif