/** @file DMI library header for abstraction of DMI PCR registers access @copyright INTEL CONFIDENTIAL Copyright 2018 - 2021 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 Reference: **/ #ifndef _PCH_DMI_ACCESS_LIB_H_ #define _PCH_DMI_ACCESS_LIB_H_ /** Check DMI BIOS interface is locked @retval TRUE DMI BIOS interface is locked FALSE DMI BIOS interface is not locked **/ BOOLEAN PchDmiIsBiosInterfaceLock ( VOID ); /** Gets the extended BIOS region base and limit addresses @param[out] UINT64 Extended BIOS Region Range Base address @param[out] UINT64 Extended BIOS Region Range Limit address **/ VOID PchDmiGetExtendedBiosRegionRange ( OUT UINT64 *RangeBase, OUT UINT64 *RangeLimit ); /** Checks lock of extended BIOS Region Limit address @retval TRUE Extended BIOS Region limit address is locked @retval FALSE Extended BIOS Region limit address is unlocked **/ BOOLEAN PchDmiIsExtendedBiosRegionLimitLocked ( VOID ); #endif // _PCH_DMI_ACCESS_LIB_H_