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

108 lines
3.0 KiB
C

/** @file
Header file for GbeLib.
@copyright
INTEL CONFIDENTIAL
Copyright 2014 - 2018 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 _GBE_LIB_H_
#define _GBE_LIB_H_
/**
Check whether GbE region is valid
Check SPI region directly since GbE might be disabled in SW.
@retval TRUE Gbe Region is valid
@retval FALSE Gbe Region is invalid
**/
BOOLEAN
IsGbeRegionValid (
VOID
);
/**
Check whether GBE controller is enabled in the platform.
@retval TRUE GbE is enabled
@retval FALSE GbE is disabled
**/
BOOLEAN
IsGbePresent (
VOID
);
/**
Checks if Gbe is Enabled or Disabled
@retval BOOLEAN TRUE if device is enabled, FALSE otherwise.
**/
BOOLEAN
IsGbeEnabled (
VOID
);
/**
Returns Gigabit Ethernet PCI Device Number
@retval GbE device number
**/
UINT8
GbeDevNumber (
VOID
);
/**
Returns Gigabit Ethernet PCI Function Number
@retval GbE function number
**/
UINT8
GbeFuncNumber (
VOID
);
/**
Gets Phy Revision and Model Number
@param [out] LanPhyRevision Return Value
@return EFI_SUCCESS Phy Revision was obtained
EFI_NOT_FOUND Gbe is disabled or not present
EFI_DEVICE_ERROR Gbe class code check failed
EFI_INVALID_PARAMETER When GbeBar is incorrect
When Phy register or address is out of bounds
**/
EFI_STATUS
GbeGetLanPhyRevision (
OUT UINT16 *LanPhyRevision
);
#endif // _GBE_LIB_H_