1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#ifndef _FTAPE_H
#define _FTAPE_H
/*
* Copyright (C) 1994-1995 Bas Laarhoven.
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: /home/bas/distr/ftape-2.03b/RCS/ftape.h,v $
$Author: bas $
*
$Revision: 1.18 $
$Date: 1995/05/06 16:11:53 $
$State: Beta $
*
* This file contains global definitions, typedefs and macro's
* for the QIC-40/80 floppy-tape driver for Linux.
*/
#include <linux/sched.h>
#include <linux/mm.h>
#define SECTOR(x) (x+1) /* sector offset into real sector */
#define SECTOR_SIZE (1024)
#define SECTORS_PER_SEGMENT (32)
#define BUFF_SIZE (SECTORS_PER_SEGMENT * SECTOR_SIZE)
#define FTAPE_UNIT (ftape_unit & 3)
#define RQM_DELAY (12)
#define MILLISECOND (1)
#define SECOND (1000)
#define FOREVER (-1)
#ifndef HZ
# error "HZ undefined."
#endif
#define MSPT (SECOND / HZ) /* milliseconds per tick */
/* This defines the number of retries that the driver will allow
* before giving up (and letting a higher level handle the error).
*/
#ifdef TESTING
# define SOFT_RETRIES 1 /* number of low level retries */
# define RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */
#else
# define SOFT_RETRIES 6 /* number of low level retries (triple) */
# define RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */
#endif
/* some useful macro's
*/
#define ABS(a) ((a) < 0 ? -(a) : (a))
#define NR_ITEMS(x) (sizeof(x)/ sizeof(*x))
typedef unsigned char byte;
extern int ftape_init(void);
#endif
|
