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/** @file
Header file for PchHsioLib.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _PCH_HSIO_LIB_H_
#define _PCH_HSIO_LIB_H_
/**
Represents HSIO lane
**/
typedef struct {
UINT8 Index; ///< Lane index
UINT8 Pid; ///< Sideband ID
UINT16 Base; ///< Sideband base address
} HSIO_LANE;
/**
The function returns the Port Id and lane owner for the specified lane
@param[in] PhyMode Phymode that needs to be checked
@param[out] Pid Common Lane End Point ID
@param[out] LaneOwner Lane Owner
@retval EFI_SUCCESS Read success
@retval EFI_INVALID_PARAMETER Invalid lane number
**/
EFI_STATUS
EFIAPI
PchGetLaneInfo (
IN UINT32 LaneNum,
OUT UINT8 *PortId,
OUT UINT8 *LaneOwner
);
/**
Get HSIO lane representation needed to perform any operation on the lane.
@param[in] LaneIndex Number of the HSIO lane
@param[out] HsioLane HSIO lane representation
**/
VOID
HsioGetLane (
IN UINT8 LaneIndex,
OUT HSIO_LANE *HsioLane
);
/**
Determine the lane number of a specified port
@param[in] PcieLaneIndex PCIE Root Port Lane Index
@param[out] LaneNum Lane Number
@retval EFI_SUCCESS Lane number valid.
@retval EFI_UNSUPPORTED Incorrect input device port
**/
EFI_STATUS
PchGetPcieLaneNum (
UINT32 PcieLaneIndex,
UINT8 *LaneNum
);
/**
Determine the lane number of a specified port
@param[in] SataLaneIndex Sata Lane Index
@param[out] LaneNum Lane Number
@retval EFI_SUCCESS Lane number valid.
@retval EFI_UNSUPPORTED Incorrect input device port
**/
EFI_STATUS
PchGetSataLaneNum (
UINT32 SataLaneIndex,
UINT8 *LaneNum
);
/**
Determine the lane number of a specified port
@param[in] Usb3LaneIndex USB3 Lane Index
@param[out] LaneNum Lane Number
@retval EFI_SUCCESS Lane number valid.
@retval EFI_UNSUPPORTED Incorrect input device port
**/
EFI_STATUS
PchGetUsb3LaneNum (
UINT32 Usb3LaneIndex,
UINT8 *LaneNum
);
/**
Determine the lane number of a specified port
@param[out] LaneNum GBE Lane Number
@retval EFI_SUCCESS Lane number valid.
@retval EFI_UNSUPPORTED Incorrect input device port
**/
EFI_STATUS
PchGetGbeLaneNum (
UINT8 *LaneNum
);
#endif // _PCH_HSIO_LIB_H_
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