original_kernel/drivers/char/ftape/zftape/zftape-read.h

54 lines
1.7 KiB
C

#ifndef _ZFTAPE_READ_H
#define _ZFTAPE_READ_H
/*
* Copyright (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/zftape/zftape-read.h,v $
* $Revision: 1.2 $
* $Date: 1997/10/05 19:19:07 $
*
* This file contains the definitions for the read functions
* for the zftape driver for Linux.
*
*/
#include "../lowlevel/ftape-read.h"
/* ftape-read.c defined global vars.
*/
extern int zft_just_before_eof;
/* ftape-read.c defined global functions.
*/
extern void zft_zap_read_buffers(void);
extern int zft_read_header_segments(void);
extern int zft_fetch_segment_fraction(const unsigned int segment,
void *buffer,
const ft_read_mode_t read_mode,
const unsigned int start,
const unsigned int size);
#define zft_fetch_segment(segment, address, read_mode) \
zft_fetch_segment_fraction(segment, address, read_mode, \
0, FT_SEGMENT_SIZE)
/* hook for the VFS interface
*/
extern int _zft_read(char __user *buff, int req_len);
#endif /* _ZFTAPE_READ_H */