diff options
Diffstat (limited to 'drivers/char/ftape/lowlevel/ftape-bsm.h')
-rw-r--r-- | drivers/char/ftape/lowlevel/ftape-bsm.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/char/ftape/lowlevel/ftape-bsm.h b/drivers/char/ftape/lowlevel/ftape-bsm.h new file mode 100644 index 000000000000..ed45465af4d4 --- /dev/null +++ b/drivers/char/ftape/lowlevel/ftape-bsm.h | |||
@@ -0,0 +1,66 @@ | |||
1 | #ifndef _FTAPE_BSM_H | ||
2 | #define _FTAPE_BSM_H | ||
3 | |||
4 | /* | ||
5 | * Copyright (C) 1994-1996 Bas Laarhoven, | ||
6 | * (C) 1996-1997 Claus-Justus Heine. | ||
7 | |||
8 | This program is free software; you can redistribute it and/or modify | ||
9 | it under the terms of the GNU General Public License as published by | ||
10 | the Free Software Foundation; either version 2, or (at your option) | ||
11 | any later version. | ||
12 | |||
13 | This program is distributed in the hope that it will be useful, | ||
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | GNU General Public License for more details. | ||
17 | |||
18 | You should have received a copy of the GNU General Public License | ||
19 | along with this program; see the file COPYING. If not, write to | ||
20 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | ||
21 | |||
22 | * | ||
23 | * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-bsm.h,v $ | ||
24 | * $Revision: 1.2 $ | ||
25 | * $Date: 1997/10/05 19:18:07 $ | ||
26 | * | ||
27 | * This file contains definitions for the bad sector map handling | ||
28 | * routines for the QIC-117 floppy-tape driver for Linux. | ||
29 | */ | ||
30 | |||
31 | #include <linux/ftape.h> | ||
32 | #include <linux/ftape-header-segment.h> | ||
33 | |||
34 | #define EMPTY_SEGMENT (0xffffffff) | ||
35 | #define FAKE_SEGMENT (0xfffffffe) | ||
36 | |||
37 | /* maximum (format code 4) bad sector map size (bytes). | ||
38 | */ | ||
39 | #define BAD_SECTOR_MAP_SIZE (29 * SECTOR_SIZE - 256) | ||
40 | |||
41 | /* format code 4 bad sector entry, ftape uses this | ||
42 | * internally for all format codes | ||
43 | */ | ||
44 | typedef __u32 SectorMap; | ||
45 | /* variable and 1100 ft bad sector map entry. These three bytes represent | ||
46 | * a single sector address measured from BOT. | ||
47 | */ | ||
48 | typedef struct NewSectorMap { | ||
49 | __u8 bytes[3]; | ||
50 | } SectorCount; | ||
51 | |||
52 | |||
53 | /* | ||
54 | * ftape-bsm.c defined global vars. | ||
55 | */ | ||
56 | |||
57 | /* | ||
58 | * ftape-bsm.c defined global functions. | ||
59 | */ | ||
60 | extern void update_bad_sector_map(__u8 * buffer); | ||
61 | extern void ftape_extract_bad_sector_map(__u8 * buffer); | ||
62 | extern SectorMap ftape_get_bad_sector_entry(int segment_id); | ||
63 | extern __u8 *ftape_find_end_of_bsm_list(__u8 * address); | ||
64 | extern void ftape_init_bsm(void); | ||
65 | |||
66 | #endif | ||