linux-vybrid_public/drivers/char/ftape/zftape/zftape-read.h

#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 */