blob: 8437cc2d1a2be7cf3036b55d71c54f39648d8b3d
| 1 | /* |
| 2 | * device_io.h - Exports for default device io. Originated from the Linux-NTFS project. |
| 3 | * |
| 4 | * Copyright (c) 2000-2006 Anton Altaparmakov |
| 5 | * |
| 6 | * This program/include file is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as published |
| 8 | * by the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program/include file is distributed in the hope that it will be |
| 12 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| 13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program (in the main directory of the NTFS-3G |
| 18 | * distribution in the file COPYING); if not, write to the Free Software |
| 19 | * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #ifndef _NTFS_DEVICE_IO_H |
| 23 | #define _NTFS_DEVICE_IO_H |
| 24 | |
| 25 | #ifdef HAVE_CONFIG_H |
| 26 | #include "config.h" |
| 27 | #endif |
| 28 | |
| 29 | #ifndef NO_NTFS_DEVICE_DEFAULT_IO_OPS |
| 30 | |
| 31 | #ifndef __CYGWIN32__ |
| 32 | |
| 33 | /* Not on Cygwin; use standard Unix style low level device operations. */ |
| 34 | #define ntfs_device_default_io_ops ntfs_device_unix_io_ops |
| 35 | |
| 36 | #else /* __CYGWIN32__ */ |
| 37 | |
| 38 | #ifndef HDIO_GETGEO |
| 39 | # define HDIO_GETGEO 0x301 |
| 40 | /** |
| 41 | * struct hd_geometry - |
| 42 | */ |
| 43 | struct hd_geometry { |
| 44 | unsigned char heads; |
| 45 | unsigned char sectors; |
| 46 | unsigned short cylinders; |
| 47 | unsigned long start; |
| 48 | }; |
| 49 | #endif |
| 50 | #ifndef BLKGETSIZE |
| 51 | # define BLKGETSIZE 0x1260 |
| 52 | #endif |
| 53 | #ifndef BLKSSZGET |
| 54 | # define BLKSSZGET 0x1268 |
| 55 | #endif |
| 56 | #ifndef BLKGETSIZE64 |
| 57 | # define BLKGETSIZE64 0x80041272 |
| 58 | #endif |
| 59 | #ifndef BLKBSZSET |
| 60 | # define BLKBSZSET 0x40041271 |
| 61 | #endif |
| 62 | |
| 63 | /* On Cygwin; use Win32 low level device operations. */ |
| 64 | #define ntfs_device_default_io_ops ntfs_device_win32_io_ops |
| 65 | |
| 66 | #endif /* __CYGWIN32__ */ |
| 67 | |
| 68 | |
| 69 | /* Forward declaration. */ |
| 70 | struct ntfs_device_operations; |
| 71 | |
| 72 | extern struct ntfs_device_operations ntfs_device_default_io_ops; |
| 73 | |
| 74 | #endif /* NO_NTFS_DEVICE_DEFAULT_IO_OPS */ |
| 75 | |
| 76 | #endif /* defined _NTFS_DEVICE_IO_H */ |
| 77 | |
| 78 |