ftape-bsm.h
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- #ifndef _FTAPE_BSM_H
- #define _FTAPE_BSM_H
- /*
- * Copyright (C) 1994-1996 Bas Laarhoven,
- * (C) 1996-1997 Claus-Justus Heine.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-bsm.h,v $
- * $Revision: 1.2 $
- * $Date: 1997/10/05 19:18:07 $
- *
- * This file contains definitions for the bad sector map handling
- * routines for the QIC-117 floppy-tape driver for Linux.
- */
- #include <linux/ftape.h>
- #include <linux/ftape-header-segment.h>
- #define EMPTY_SEGMENT (0xffffffff)
- #define FAKE_SEGMENT (0xfffffffe)
- /* maximum (format code 4) bad sector map size (bytes).
- */
- #define BAD_SECTOR_MAP_SIZE (29 * SECTOR_SIZE - 256)
- /* format code 4 bad sector entry, ftape uses this
- * internally for all format codes
- */
- typedef __u32 SectorMap;
- /* variable and 1100 ft bad sector map entry. These three bytes represent
- * a single sector address measured from BOT.
- */
- typedef struct NewSectorMap {
- __u8 bytes[3];
- } SectorCount __attribute__((packed));
- /*
- * ftape-bsm.c defined global vars.
- */
- /*
- * ftape-bsm.c defined global functions.
- */
- extern void update_bad_sector_map(__u8 * buffer);
- extern void ftape_extract_bad_sector_map(__u8 * buffer);
- extern SectorMap ftape_get_bad_sector_entry(int segment_id);
- extern void ftape_put_bad_sector_entry(int segment_id, SectorMap mask);
- extern __u8 *ftape_find_end_of_bsm_list(__u8 * address);
- extern void ftape_init_bsm(void);
- #endif