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

52 lines
1.7 KiB
C

#ifndef _FTAPE_READ_H
#define _FTAPE_READ_H
/*
* Copyright (C) 1994-1996 Bas Laarhoven,
* (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/lowlevel/ftape-read.h,v $
* $Revision: 1.2 $
* $Date: 1997/10/05 19:18:22 $
*
* This file contains the definitions for the read functions
* for the QIC-117 floppy-tape driver for Linux.
*
*/
/* ftape-read.c defined global functions.
*/
typedef enum {
FT_RD_SINGLE = 0,
FT_RD_AHEAD = 1,
} ft_read_mode_t;
extern int ftape_read_header_segment(__u8 *address);
extern int ftape_decode_header_segment(__u8 *address);
extern int ftape_read_segment_fraction(const int segment,
void *address,
const ft_read_mode_t read_mode,
const int start,
const int size);
#define ftape_read_segment(segment, address, read_mode) \
ftape_read_segment_fraction(segment, address, read_mode, \
0, FT_SEGMENT_SIZE)
extern void ftape_zap_read_buffers(void);
#endif /* _FTAPE_READ_H */