8e6b0dcb50
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8025 6f19259b-4bc3-4df7-8a09-765794883524
74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/** @file
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _EFI_PCI_DRIVER_OVERRRIDE_H_
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#define _EFI_PCI_DRIVER_OVERRRIDE_H_
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#define DRIVER_OVERRIDE_SIGNATURE SIGNATURE_32 ('d', 'r', 'o', 'v')
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typedef struct {
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UINT32 Signature;
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LIST_ENTRY Link;
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EFI_HANDLE DriverImageHandle;
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} PCI_DRIVER_OVERRIDE_LIST;
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#define DRIVER_OVERRIDE_FROM_LINK(a) \
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CR (a, PCI_DRIVER_OVERRIDE_LIST, Link, DRIVER_OVERRIDE_SIGNATURE)
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/**
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Initializes a PCI Driver Override Instance.
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@param PciIoDevice Device instance.
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**/
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VOID
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InitializePciDriverOverrideInstance (
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PCI_IO_DEVICE *PciIoDevice
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);
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/**
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Add an overriding driver image.
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@param PciIoDevice Instance of PciIo device.
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@param DriverImageHandle new added driver image.
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@retval EFI_OUT_OF_RESOURCES no memory resource for new driver instance.
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@retval EFI_SUCCESS Success add driver.
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**/
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EFI_STATUS
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AddDriver (
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IN PCI_IO_DEVICE *PciIoDevice,
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IN EFI_HANDLE DriverImageHandle
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);
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/**
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Get a overriding driver image.
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@param This Pointer to instance of EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL.
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@param DriverImageHandle Override driver image.
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@retval EFI_SUCCESS Success to get driver image handle.
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@retval EFI_NOT_FOUND can not find override driver image.
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@retval EFI_INVALID_PARAMETER Invalid parameter.
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**/
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EFI_STATUS
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EFIAPI
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GetDriver (
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IN EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL *This,
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IN OUT EFI_HANDLE *DriverImageHandle
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);
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#endif
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