AhciPeiS3.c File Reference

#include "AhciPei.h"
#include <Guid/S3StorageDeviceInitList.h>
#include <Library/LockBoxLib.h>

Go to the source code of this file.

Functions
UINT8	AhciS3GetEumeratePorts (IN EFI_DEVICE_PATH_PROTOCOL *HcDevicePath, IN UINTN HcDevicePathLength, OUT UINT32 *PortBitMap)

Detailed Description

The AhciPei driver is used to manage ATA hard disk device working under AHCI mode at PEI phase.

Copyright (c) 2019, Intel Corporation. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file AhciPeiS3.c.

Function Documentation

AhciS3GetEumeratePorts()

UINT8 AhciS3GetEumeratePorts	(	IN EFI_DEVICE_PATH_PROTOCOL *	HcDevicePath,
		IN UINTN	HcDevicePathLength,
		OUT UINT32 *	PortBitMap
	)

Collect the ports that need to be enumerated on a controller for S3 phase.

Parameters

[in]	HcDevicePath	Device path of the controller.
[in]	HcDevicePathLength	Length of the device path specified by HcDevicePath.
[out]	PortBitMap	Bitmap that indicates the ports that need to be enumerated on the controller.

Return values

The	number of ports that need to be enumerated.

Definition at line 30 of file AhciPeiS3.c.