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/** @file
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which 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 _EFI_PCI_DRIVER_OVERRRIDE_H
#define _EFI_PCI_DRIVER_OVERRRIDE_H
#define DRIVER_OVERRIDE_SIGNATURE SIGNATURE_32 ('d', 'r', 'o', 'v')
typedef struct {
UINT32 Signature;
LIST_ENTRY Link;
EFI_HANDLE DriverImageHandle;
} PCI_DRIVER_OVERRIDE_LIST;
#define DRIVER_OVERRIDE_FROM_LINK(a) \
CR (a, PCI_DRIVER_OVERRIDE_LIST, Link, DRIVER_OVERRIDE_SIGNATURE)
/**
Initializes a PCI Driver Override Instance.
@param PciIoDevice Device instance.
@retval EFI_SUCCESS Operation success.
**/
EFI_STATUS
InitializePciDriverOverrideInstance (
PCI_IO_DEVICE *PciIoDevice
);
/**
Add an overriding driver image.
@param PciIoDevice Instance of PciIo device.
@param DriverImageHandle new added driver image.
@retval EFI_OUT_OF_RESOURCES no memory resource for new driver instance.
@retval EFI_SUCCESS Success add driver.
**/
EFI_STATUS
AddDriver (
IN PCI_IO_DEVICE *PciIoDevice,
IN EFI_HANDLE DriverImageHandle
);
/**
Get a overriding driver image.
@param This Pointer to instance of EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL.
@param DriverImageHandle Override driver image.
@retval EFI_SUCCESS Success to get driver image handle.
@retval EFI_NOT_FOUND can not find override driver image.
@retval EFI_INVALID_PARAMETER Invalid parameter.
**/
EFI_STATUS
EFIAPI
GetDriver (
IN EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL *This,
IN OUT EFI_HANDLE *DriverImageHandle
);
#endif
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