EdkModulePkg/Universal/Disk/DiskIo/Dxe/DiskIo.h

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   DiskIo.h
  15
  16 Abstract:
  17   Private Data definition for Disk IO driver
  18
  19 --*/
  20
  21 #ifndef _DISK_IO_H
  22 #define _DISK_IO_H
  23
  24
  25
  26 #define DISK_IO_PRIVATE_DATA_SIGNATURE  EFI_SIGNATURE_32 ('d', 's', 'k', 'I')
  27
  28 #define DATA_BUFFER_BLOCK_NUM           (64)
  29
  30 typedef struct {
  31   UINTN                 Signature;
  32   EFI_DISK_IO_PROTOCOL  DiskIo;
  33   EFI_BLOCK_IO_PROTOCOL *BlockIo;
  34 } DISK_IO_PRIVATE_DATA;
  35
  36 #define DISK_IO_PRIVATE_DATA_FROM_THIS(a) CR (a, DISK_IO_PRIVATE_DATA, DiskIo, DISK_IO_PRIVATE_DATA_SIGNATURE)
  37
  38 //
  39 // Global Variables
  40 //
  41 extern EFI_DRIVER_BINDING_PROTOCOL  gDiskIoDriverBinding;
  42 extern EFI_COMPONENT_NAME_PROTOCOL  gDiskIoComponentName;
  43
  44 #endif