audk/EmulatorPkg/EmuBusDriverDxe/EmuBusDriverDxe.h

/*++ @file

Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2011, Apple Inc. 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 __EMU_BUS_DRIVER_H__
#define __EMU_BUS_DRIVER_H__

#include <PiDxe.h>

#include <Protocol/DevicePath.h>
#include <Protocol/EmuThunk.h>
#include <Protocol/EmuIoThunk.h>

#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/PcdLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>

extern EFI_DRIVER_BINDING_PROTOCOL  gEmuBusDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL  gEmuBusDriverComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gEmuBusDriverComponentName2;


//
// Unix Bus Controller Structure
//
#define EMU_BUS_DEVICE_SIGNATURE SIGNATURE_32 ('L', 'X', 'B', 'D')

typedef struct {
  UINT64                    Signature;
  EFI_UNICODE_STRING_TABLE  *ControllerNameTable;
} EMU_BUS_DEVICE;

//
// Unix Child Device Controller Structure
//
#define EMU_IO_DEVICE_SIGNATURE  SIGNATURE_32 ('L', 'X', 'V', 'D')

typedef struct {
  UINT64                    Signature;
  EFI_HANDLE                Handle;
  EMU_IO_THUNK_PROTOCOL     EmuIoThunk;
  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;

  //
  // Private data about the parent
  //
  EFI_HANDLE                ControllerHandle;
  EFI_DEVICE_PATH_PROTOCOL  *ParentDevicePath;

  EFI_UNICODE_STRING_TABLE  *ControllerNameTable;

} EMU_IO_DEVICE;

#define EMU_IO_DEVICE_FROM_THIS(a) \
  CR(a, EMU_IO_DEVICE, EmuIoThunk, EMU_IO_DEVICE_SIGNATURE)



//
// Driver Binding Protocol function prototypes
//
EFI_STATUS
EFIAPI
EmuBusDriverBindingSupported (
  IN EFI_DRIVER_BINDING_PROTOCOL    *This,
  IN EFI_HANDLE                     Handle,
  IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
  );


EFI_STATUS
EFIAPI
EmuBusDriverBindingStart (
  IN EFI_DRIVER_BINDING_PROTOCOL    *This,
  IN EFI_HANDLE                     ParentHandle,
  IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
  );


EFI_STATUS
EFIAPI
EmuBusDriverBindingStop (
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,
  IN  EFI_HANDLE                   Handle,
  IN  UINTN                        NumberOfChildren,
  IN  EFI_HANDLE                   *ChildHandleBuffer
  );

//
// Unix Bus Driver private worker functions
//
EFI_DEVICE_PATH_PROTOCOL  *
EmuBusCreateDevicePath (
  IN  EFI_DEVICE_PATH_PROTOCOL  *RootDevicePath,
  IN  EFI_GUID                  *Guid,
  IN  UINT16                    InstanceNumber
  );


#endif