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

   1 #ifndef _ZFTAPE_INIT_H
   2 #define _ZFTAPE_INIT_H
   3
   4 /*
   5  * Copyright (C) 1996, 1997 Claus Heine.
   6
   7  This program is free software; you can redistribute it and/or modify
   8  it under the terms of the GNU General Public License as published by
   9  the Free Software Foundation; either version 2, or (at your option)
  10  any later version.
  11
  12  This program is distributed in the hope that it will be useful,
  13  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  GNU General Public License for more details.
  16
  17  You should have received a copy of the GNU General Public License
  18  along with this program; see the file COPYING.  If not, write to
  19  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21  *
  22  * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-init.h,v $
  23  * $Revision: 1.2 $
  24  * $Date: 1997/10/05 19:19:05 $
  25  *
  26  * This file contains definitions and macro for the vfs
  27  * interface defined by zftape
  28  *
  29  */
  30
  31 #include <linux/ftape-header-segment.h>
  32
  33 #include "../lowlevel/ftape-tracing.h"
  34 #include "../lowlevel/ftape-ctl.h"
  35 #include "../lowlevel/ftape-read.h"
  36 #include "../lowlevel/ftape-write.h"
  37 #include "../lowlevel/ftape-bsm.h"
  38 #include "../lowlevel/ftape-io.h"
  39 #include "../lowlevel/ftape-buffer.h"
  40 #include "../lowlevel/ftape-format.h"
  41
  42 #include "../zftape/zftape-rw.h"
  43
  44 #ifdef MODULE
  45 #define ftape_status (*zft_status)
  46 #endif
  47
  48 extern const  ftape_info *zft_status; /* needed for zftape-vtbl.h */
  49
  50 #include "../zftape/zftape-vtbl.h"
  51
  52 struct zft_cmpr_ops {
  53         int (*write)(int *write_cnt,
  54                      __u8 *dst_buf, const int seg_sz,
  55                      const __u8 __user *src_buf, const int req_len,
  56                      const zft_position *pos, const zft_volinfo *volume);
  57         int (*read)(int *read_cnt,
  58                     __u8 __user *dst_buf, const int req_len,
  59                     const __u8 *src_buf, const int seg_sz,
  60                     const zft_position *pos, const zft_volinfo *volume);
  61         int (*seek)(unsigned int new_block_pos,
  62                     zft_position *pos, const zft_volinfo *volume,
  63                     __u8 *buffer);
  64         void (*lock)   (void);
  65         void (*reset)  (void);
  66         void (*cleanup)(void);
  67 };
  68
  69 extern struct zft_cmpr_ops *zft_cmpr_ops;
  70 /* zftape-init.c defined global functions.
  71  */
  72 extern int                  zft_cmpr_register(struct zft_cmpr_ops *new_ops);
  73 extern int                  zft_cmpr_lock(int try_to_load);
  74
  75 #endif
  76
  77