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