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1 | #ifndef _ZFTAPE_READ_H |
2 | #define _ZFTAPE_READ_H | |
3 | ||
4 | /* | |
5 | * Copyright (C) 1996, 1997 Claus-Justus 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-read.h,v $ | |
23 | * $Revision: 1.2 $ | |
24 | * $Date: 1997/10/05 19:19:07 $ | |
25 | * | |
26 | * This file contains the definitions for the read functions | |
27 | * for the zftape driver for Linux. | |
28 | * | |
29 | */ | |
30 | ||
31 | #include "../lowlevel/ftape-read.h" | |
32 | ||
33 | /* ftape-read.c defined global vars. | |
34 | */ | |
35 | extern int zft_just_before_eof; | |
36 | ||
37 | /* ftape-read.c defined global functions. | |
38 | */ | |
39 | extern void zft_zap_read_buffers(void); | |
40 | extern int zft_read_header_segments(void); | |
41 | extern int zft_fetch_segment_fraction(const unsigned int segment, | |
42 | void *buffer, | |
43 | const ft_read_mode_t read_mode, | |
44 | const unsigned int start, | |
45 | const unsigned int size); | |
46 | #define zft_fetch_segment(segment, address, read_mode) \ | |
47 | zft_fetch_segment_fraction(segment, address, read_mode, \ | |
48 | 0, FT_SEGMENT_SIZE) | |
49 | /* hook for the VFS interface | |
50 | */ | |
51 | extern int _zft_read(char __user *buff, int req_len); | |
52 | ||
53 | #endif /* _ZFTAPE_READ_H */ |