alder_lake_bios/Intel/AlderLake/ClientOneSiliconPkg/Include/Library/CpuDmiInfoLib.h

90 lines
2.5 KiB
C

/** @file
Header file for CpuDmiInfoLib.
@copyright
INTEL CONFIDENTIAL
Copyright 2019 - 2020 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 CPU_DMI_INFO_LIB_H_
#define CPU_DMI_INFO_LIB_H_
#define LANE_MULTIPLIER 0x1000
/**
Determine if PCH Link is DMI/OPI
@retval TRUE DMI
@retval FALSE OPI
**/
BOOLEAN
IsPchLinkDmi (
VOID
);
/**
Returns the number of DMI lanes for current CPU
@retval UINT8 Number of DMI lanes
**/
UINT8
GetMaxDmiLanes (
);
/**
Returns the number of DMI bundles for current CPU
@retval UINT8 Number of DMI bundles
**/
UINT8
GetMaxDmiBundles (
);
/**
Checks if Cpu Dmi is Enabled
@retval TRUE Cpu Dmi is Enabled
@retval FALSE Cpu Dmi is not Enabled
**/
BOOLEAN
IsCpuDmiEnabled (
VOID
);
/**
Checks if Cpu Dmi Gen4 is Enabled
@retval TRUE Cpu Dmi Gen4 is Enabled
@retval FALSE Cpu Dmi Gen4 is not Enabled
**/
BOOLEAN
IsDmiGen4Supported (
VOID
);
#endif // CPU_DMI_INFO_LIB_H_