linux/drivers/char/ftape/zftape/zftape-init.h

78 lines
2.3 KiB
C

#ifndef _ZFTAPE_INIT_H
#define _ZFTAPE_INIT_H
/*
* Copyright (C) 1996, 1997 Claus 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-init.h,v $
* $Revision: 1.2 $
* $Date: 1997/10/05 19:19:05 $
*
* This file contains definitions and macro for the vfs
* interface defined by zftape
*
*/
#include <linux/ftape-header-segment.h>
#include "../lowlevel/ftape-tracing.h"
#include "../lowlevel/ftape-ctl.h"
#include "../lowlevel/ftape-read.h"
#include "../lowlevel/ftape-write.h"
#include "../lowlevel/ftape-bsm.h"
#include "../lowlevel/ftape-io.h"
#include "../lowlevel/ftape-buffer.h"
#include "../lowlevel/ftape-format.h"
#include "../zftape/zftape-rw.h"
#ifdef MODULE
#define ftape_status (*zft_status)
#endif
extern const ftape_info *zft_status; /* needed for zftape-vtbl.h */
#include "../zftape/zftape-vtbl.h"
struct zft_cmpr_ops {
int (*write)(int *write_cnt,
__u8 *dst_buf, const int seg_sz,
const __u8 __user *src_buf, const int req_len,
const zft_position *pos, const zft_volinfo *volume);
int (*read)(int *read_cnt,
__u8 __user *dst_buf, const int req_len,
const __u8 *src_buf, const int seg_sz,
const zft_position *pos, const zft_volinfo *volume);
int (*seek)(unsigned int new_block_pos,
zft_position *pos, const zft_volinfo *volume,
__u8 *buffer);
void (*lock) (void);
void (*reset) (void);
void (*cleanup)(void);
};
extern struct zft_cmpr_ops *zft_cmpr_ops;
/* zftape-init.c defined global functions.
*/
extern int zft_cmpr_register(struct zft_cmpr_ops *new_ops);
extern int zft_cmpr_lock(int try_to_load);
#endif