/** @file This is the main PEIM file for TXT. It represents an abstract outline of the steps required during PEI for enabling TXT. Each individual step is further abstracted behind a function call interface. This is intended to minimize the need to modify this file when porting TXT to future platforms. @copyright INTEL CONFIDENTIAL Copyright 1999 - 2019 Intel Corporation. The source code contained or described herein and all documents related to the source code ("Material") are owned by Intel Corporation or its suppliers or licensors. Title to the Material remains with Intel Corporation or its suppliers and licensors. The Material may contain trade secrets and proprietary and confidential information of Intel Corporation and its suppliers and licensors, and is protected by worldwide copyright and trade secret laws and treaty provisions. No part of the Material may be used, copied, reproduced, modified, published, uploaded, posted, transmitted, distributed, or disclosed in any way without Intel's prior express written permission. No license under any patent, copyright, trade secret or other intellectual property right is granted to or conferred upon you by disclosure or delivery of the Materials, either expressly, by implication, inducement, estoppel or otherwise. Any license under such intellectual property rights must be express and approved by Intel in writing. Unless otherwise agreed by Intel in writing, you may not remove or alter this notice or any other notice embedded in Materials by Intel or Intel's suppliers or licensors in any way. This file contains an 'Intel Peripheral Driver' and is uniquely identified as "Intel Reference Module" and is licensed for Intel CPUs and chipsets under the terms of your license agreement with Intel or your vendor. This file may be modified by the user, subject to additional terms of the license agreement. @par Specification **/ #include /** TXT init after memory PEI module @retval EFI_SUCCESS - always return EFI_SUCCESS **/ EFI_STATUS TxtInit ( VOID ); /** AliasCheck for MRC @retval EFI_SUCCESS - always return EFI_SUCCESS **/ EFI_STATUS EFIAPI AliasCheck ( VOID ); /** This is ClearSecretsBit entry point for MRC call. **/ EFI_STATUS EFIAPI ClearSecretsBit ( VOID ); /** Determines whether or not SECRETS.STS bit is set in E2STS status register **/ BOOLEAN IsTxtSecretsSet ( VOID ); /** TXT init after memory PEI module @retval EFI_SUCCESS - always return EFI_SUCCESS **/ EFI_STATUS TxtInit ( VOID ) { return EFI_UNSUPPORTED; } /** AliasCheck for MRC **/ EFI_STATUS EFIAPI AliasCheck ( VOID ) { return EFI_SUCCESS; } /** This is ClearSecretsBit entry point for MRC call. **/ EFI_STATUS EFIAPI ClearSecretsBit ( VOID ) { return EFI_SUCCESS; } /** Set Power Down Request. @param[in] PdrSrc Power down type 0 - No Power Down Request 1 - MRC requested Power Down due to scrubbing failure 2 - BIOS setup requested power down 3 - Power down through MOR interface @exception EFI_UNSUPPORTED - If the platform is not TXT capable. @retval EFI_SUCCESS - In all other cases not listed above. **/ EFI_STATUS EFIAPI SetPowerDownRequest ( UINT8 PdrSrc ) { return EFI_SUCCESS; } /** Determines whether or not SECRETS.STS bit is set in E2STS status register **/ BOOLEAN IsTxtSecretsSet ( VOID ) { return FALSE; }