Clear up to remove the duplicate driver binding externs in the same header file when...

[mirror_edk2.git] / MdeModulePkg / Universal / Disk / DiskIo / Dxe / DiskIo.h

/** @file\r
  DiskIo driver that layers it's self on every Block IO protocol in the system.\r
  DiskIo converts a block oriented device to a byte oriented device.\r
\r
  Copyright (c) 2006 - 2007, Intel Corporation                                              \r
  All rights reserved. This program and the accompanying materials                          \r
  are licensed and made available under the terms and conditions of the BSD License         \r
  which accompanies this distribution.  The full text of the license may be found at        \r
  http://opensource.org/licenses/bsd-license.php                                            \r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
**/\r
\r
#include <Uefi.h>\r
#include <Protocol/BlockIo.h>\r
#include <Protocol/ComponentName.h>\r
#include <Protocol/DriverBinding.h>\r
#include <Protocol/DiskIo.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UefiLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
\r
\r
#define DISK_IO_PRIVATE_DATA_SIGNATURE  EFI_SIGNATURE_32 ('d', 's', 'k', 'I')\r
\r
#define DATA_BUFFER_BLOCK_NUM           (64)\r
\r
typedef struct {\r
  UINTN                 Signature;\r
  EFI_DISK_IO_PROTOCOL  DiskIo;\r
  EFI_BLOCK_IO_PROTOCOL *BlockIo;\r
} DISK_IO_PRIVATE_DATA;\r
\r
#define DISK_IO_PRIVATE_DATA_FROM_THIS(a) CR (a, DISK_IO_PRIVATE_DATA, DiskIo, DISK_IO_PRIVATE_DATA_SIGNATURE)\r
\r
//\r
// Global Variables\r
//\r
extern EFI_DRIVER_BINDING_PROTOCOL  gDiskIoDriverBinding;\r
extern EFI_COMPONENT_NAME_PROTOCOL  gDiskIoComponentName;\r
\r
//\r
// Prototypes\r
// Driver model protocol interface\r
//\r
EFI_STATUS\r
EFIAPI\r
DiskIoDriverBindingSupported (\r
  IN EFI_DRIVER_BINDING_PROTOCOL    *This,\r
  IN EFI_HANDLE                     ControllerHandle,\r
  IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
DiskIoDriverBindingStart (\r
  IN EFI_DRIVER_BINDING_PROTOCOL    *This,\r
  IN EFI_HANDLE                     ControllerHandle,\r
  IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
DiskIoDriverBindingStop (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL    *This,\r
  IN  EFI_HANDLE                     ControllerHandle,\r
  IN  UINTN                          NumberOfChildren,\r
  IN  EFI_HANDLE                     *ChildHandleBuffer\r
  );\r
\r
//\r
// Disk I/O Protocol Interface\r
//\r
EFI_STATUS\r
EFIAPI\r
DiskIoReadDisk (\r
  IN EFI_DISK_IO_PROTOCOL  *This,\r
  IN UINT32                MediaId,\r
  IN UINT64                Offset,\r
  IN UINTN                 BufferSize,\r
  OUT VOID                 *Buffer\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
DiskIoWriteDisk (\r
  IN EFI_DISK_IO_PROTOCOL  *This,\r
  IN UINT32                MediaId,\r
  IN UINT64                Offset,\r
  IN UINTN                 BufferSize,\r
  IN VOID                  *Buffer\r
  );\r
\r
//\r
// EFI Component Name Functions\r
//\r
EFI_STATUS\r
EFIAPI\r
DiskIoComponentNameGetDriverName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,\r
  IN  CHAR8                        *Language,\r
  OUT CHAR16                       **DriverName\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
DiskIoComponentNameGetControllerName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,\r
  IN  EFI_HANDLE                                      ControllerHandle,\r
  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,\r
  IN  CHAR8                                           *Language,\r
  OUT CHAR16                                          **ControllerName\r
  );\r
\r