blob: ed45465af4d4ad1e6d3aa530f497282cb5bf6bf1 (
plain) (
tree)
|
|
#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;
/*
* 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 __u8 *ftape_find_end_of_bsm_list(__u8 * address);
extern void ftape_init_bsm(void);
#endif
|
