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| 2 | pj | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 10 | * Massimiliano Giorgi <massy@gandalf.sssup.it> |
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| 11 | * Luca Abeni <luca@gandalf.sssup.it> |
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| 12 | * (see the web pages for full authors list) |
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| 13 | * |
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| 14 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 15 | * |
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| 16 | * http://www.sssup.it |
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| 17 | * http://retis.sssup.it |
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| 18 | * http://shark.sssup.it |
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| 19 | */ |
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| 20 | |||
| 21 | /* |
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| 22 | * Copyright (C) 1999 Massimiliano Giorgi |
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| 23 | * |
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| 24 | * This program is free software; you can redistribute it and/or modify |
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| 25 | * it under the terms of the GNU General Public License as published by |
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| 26 | * the Free Software Foundation; either version 2 of the License, or |
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| 27 | * (at your option) any later version. |
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| 28 | * |
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| 29 | * This program is distributed in the hope that it will be useful, |
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| 30 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 32 | * GNU General Public License for more details. |
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| 33 | * |
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| 34 | * You should have received a copy of the GNU General Public License |
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| 35 | * along with this program; if not, write to the Free Software |
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| 36 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 37 | * |
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| 38 | */ |
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| 39 | |||
| 40 | /* |
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| 80 | pj | 41 | * CVS : $Id: bdev.h,v 1.2 2003-03-13 13:37:58 pj Exp $ |
| 2 | pj | 42 | * |
| 43 | * File: $File$ |
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| 80 | pj | 44 | * Revision: $Revision: 1.2 $ |
| 45 | * Last update: $Date: 2003-03-13 13:37:58 $ |
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| 2 | pj | 46 | */ |
| 47 | |||
| 48 | #ifndef __FS_BDEV_H__ |
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| 49 | #define __FS_BDEV_H__ |
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| 50 | |||
| 51 | #include <fs/types.h> |
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| 80 | pj | 52 | #include "ll/sys/cdefs.h" |
| 2 | pj | 53 | |
| 80 | pj | 54 | __BEGIN_DECLS |
| 55 | |||
| 2 | pj | 56 | #define BDEV_OK 1 |
| 57 | #define BDEV_FAIL 0 |
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| 58 | #define BDEV_ERROR -1 |
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| 59 | |||
| 60 | int bdev_trylock(__dev_t device); |
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| 61 | int bdev_tryunlock(__dev_t device); |
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| 62 | |||
| 63 | int bdev_read(__dev_t dev, __blkcnt_t blocknum, __uint8_t *buffer); |
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| 64 | int bdev_write(__dev_t dev, __blkcnt_t blocknum, __uint8_t *buffer); |
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| 65 | int bdev_seek(__dev_t dev, __blkcnt_t blocknum); |
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| 66 | |||
| 67 | __uint8_t bdev_getdeffs(__dev_t device); |
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| 68 | |||
| 69 | __dev_t bdev_find_byname(char *name); |
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| 70 | __dev_t bdev_find_byfs(__uint8_t fsind); |
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| 71 | int bdev_scan_devices(int(*callback)(__dev_t,__uint8_t)); |
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| 72 | int bdev_findname(__dev_t device, char **majorname, char **minorname); |
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| 73 | |||
| 74 | /* for debug purpose */ |
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| 75 | void bdev_dump_names(void); |
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| 76 | void bdev_dump_status(void); |
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| 77 | |||
| 80 | pj | 78 | __END_DECLS |
| 2 | pj | 79 | #endif |