drivers/char/ftape/lowlevel/ftape-read.h

   1 #ifndef _FTAPE_READ_H
   2 #define _FTAPE_READ_H
   3
   4 /*
   5  * Copyright (C) 1994-1996 Bas Laarhoven,
   6  *           (C) 1996-1997 Claus-Justus Heine.
   7
   8  This program is free software; you can redistribute it and/or modify
   9  it under the terms of the GNU General Public License as published by
  10  the Free Software Foundation; either version 2, or (at your option)
  11  any later version.
  12
  13  This program is distributed in the hope that it will be useful,
  14  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  GNU General Public License for more details.
  17
  18  You should have received a copy of the GNU General Public License
  19  along with this program; see the file COPYING.  If not, write to
  20  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  21
  22  *
  23  * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-read.h,v $
  24  * $Revision: 1.2 $
  25  * $Date: 1997/10/05 19:18:22 $
  26  *
  27  *      This file contains the definitions for the read functions
  28  *      for the QIC-117 floppy-tape driver for Linux.
  29  *
  30  */
  31
  32 /*      ftape-read.c defined global functions.
  33  */
  34 typedef enum {
  35         FT_RD_SINGLE = 0,
  36         FT_RD_AHEAD  = 1,
  37 } ft_read_mode_t;
  38
  39 extern int ftape_read_header_segment(__u8 *address);
  40 extern int ftape_decode_header_segment(__u8 *address);
  41 extern int ftape_read_segment_fraction(const int segment,
  42                                        void  *address,
  43                                        const ft_read_mode_t read_mode,
  44                                        const int start,
  45                                        const int size);
  46 #define ftape_read_segment(segment, address, read_mode)                 \
  47         ftape_read_segment_fraction(segment, address, read_mode,        \
  48                                     0, FT_SEGMENT_SIZE)
  49 extern void ftape_zap_read_buffers(void);
  50
  51 #endif                          /* _FTAPE_READ_H */