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/** @file
EFI ControllerHandle Driver Protocol
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_DRIVER_BINDING_H__
#define __EFI_DRIVER_BINDING_H__
#include <PiDxe.h>
#include <Protocol/DevicePath.h>
//
// Global ID for the ControllerHandle Driver Protocol
//
#define EFI_DRIVER_BINDING_PROTOCOL_GUID \
{ \
0x18a031ab, 0xb443, 0x4d1a, {0xa5, 0xc0, 0xc, 0x9, 0x26, 0x1e, 0x9f, 0x71 } \
}
typedef struct _EFI_DRIVER_BINDING_PROTOCOL EFI_DRIVER_BINDING_PROTOCOL;
/**
Test to see if this driver supports ControllerHandle.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to test
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver supports this device
@retval EFI_ALREADY_STARTED This driver is already running on this device
@retval other This driver does not support this device
**/
typedef
EFI_STATUS
(EFIAPI *EFI_DRIVER_BINDING_SUPPORTED)(
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
;
/**
Start this driver on ControllerHandle.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver is added to ControllerHandle
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
@retval other This driver does not support this device
**/
typedef
EFI_STATUS
(EFIAPI *EFI_DRIVER_BINDING_START)(
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
;
/**
Stop this driver on ControllerHandle.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle
@retval other This driver was not removed from this device
**/
typedef
EFI_STATUS
(EFIAPI *EFI_DRIVER_BINDING_STOP)(
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
)
;
//
// Interface structure for the ControllerHandle Driver Protocol
//
struct _EFI_DRIVER_BINDING_PROTOCOL {
EFI_DRIVER_BINDING_SUPPORTED Supported;
EFI_DRIVER_BINDING_START Start;
EFI_DRIVER_BINDING_STOP Stop;
UINT32 Version;
EFI_HANDLE ImageHandle;
EFI_HANDLE DriverBindingHandle;
};
extern EFI_GUID gEfiDriverBindingProtocolGuid;
#endif
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