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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
#ifndef _FTAPE_H
#define _FTAPE_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/include/linux/ftape.h,v $
* $Revision: 1.17.6.4 $
* $Date: 1997/11/25 01:52:54 $
*
* This file contains global definitions, typedefs and macro's
* for the QIC-40/80/3010/3020 floppy-tape driver for Linux.
*/
#define FTAPE_VERSION "ftape v3.04d 25/11/97"
/* this makes the Kernel version numbers readable */
#define KERNEL_VER(major,minor,sublvl) (((major)<<16)+((minor)<<8)+(sublvl))
#ifdef __KERNEL__
#include <linux/sched.h>
#include <linux/mm.h>
#endif
#include <linux/types.h>
#include <linux/version.h>
#include <linux/config.h>
#include <linux/mtio.h>
#define FT_SECTOR(x) (x+1) /* sector offset into real sector */
#define FT_SECTOR_SIZE 1024
#define FT_SECTORS_PER_SEGMENT 32
#define FT_ECC_SECTORS 3
#define FT_SEGMENT_SIZE ((FT_SECTORS_PER_SEGMENT - FT_ECC_SECTORS) * FT_SECTOR_SIZE)
#define FT_BUFF_SIZE (FT_SECTORS_PER_SEGMENT * FT_SECTOR_SIZE)
/*
* bits of the minor device number that define drive selection
* methods. Could be used one day to access multiple tape
* drives on the same controller.
*/
#define FTAPE_SEL_A 0
#define FTAPE_SEL_B 1
#define FTAPE_SEL_C 2
#define FTAPE_SEL_D 3
#define FTAPE_SEL_MASK 3
#define FTAPE_SEL(unit) ((unit) & FTAPE_SEL_MASK)
#define FTAPE_NO_REWIND 4 /* mask for minor nr */
/* the following two may be reported when MTIOCGET is requested ... */
typedef union {
struct {
__u8 error;
__u8 command;
} error;
long space;
} ft_drive_error;
typedef union {
struct {
__u8 drive_status;
__u8 drive_config;
__u8 tape_status;
} status;
long space;
} ft_drive_status;
#ifdef __KERNEL__
#define FT_RQM_DELAY 12
#define FT_MILLISECOND 1
#define FT_SECOND 1000
#define FT_FOREVER -1
#ifndef HZ
#error "HZ undefined."
#endif
#define FT_USPT (1000000/HZ) /* microseconds 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 FT_SOFT_RETRIES 1 /* number of low level retries */
#define FT_RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */
#else
#define FT_SOFT_RETRIES 6 /* number of low level retries (triple) */
#define FT_RETRIES_ON_ECC_ERROR 3 /* ecc error when correcting segment */
#endif
#ifndef THE_FTAPE_MAINTAINER
#define THE_FTAPE_MAINTAINER "the ftape maintainer"
#endif
/* Initialize missing configuration parameters.
*/
#ifndef CONFIG_FT_NR_BUFFERS
# define CONFIG_FT_NR_BUFFERS 3
#endif
#ifndef CONFIG_FT_FDC_THR
# define CONFIG_FT_FDC_THR 8
#endif
#ifndef CONFIG_FT_FDC_MAX_RATE
# define CONFIG_FT_FDC_MAX_RATE 2000
#endif
#ifndef CONFIG_FT_FDC_BASE
# define CONFIG_FT_FDC_BASE 0
#endif
#ifndef CONFIG_FT_FDC_IRQ
# define CONFIG_FT_FDC_IRQ 0
#endif
#ifndef CONFIG_FT_FDC_DMA
# define CONFIG_FT_FDC_DMA 0
#endif
/* Turn some booleans into numbers.
*/
#ifdef CONFIG_FT_PROBE_FC10
# undef CONFIG_FT_PROBE_FC10
# define CONFIG_FT_PROBE_FC10 1
#else
# define CONFIG_FT_PROBE_FC10 0
#endif
#ifdef CONFIG_FT_MACH2
# undef CONFIG_FT_MACH2
# define CONFIG_FT_MACH2 1
#else
# define CONFIG_FT_MACH2 0
#endif
/* Insert default settings
*/
#if CONFIG_FT_PROBE_FC10 == 1
# if CONFIG_FT_FDC_BASE == 0
# undef CONFIG_FT_FDC_BASE
# define CONFIG_FT_FDC_BASE 0x180
# endif
# if CONFIG_FT_FDC_IRQ == 0
# undef CONFIG_FT_FDC_IRQ
# define CONFIG_FT_FDC_IRQ 9
# endif
# if CONFIG_FT_FDC_DMA == 0
# undef CONFIG_FT_FDC_DMA
# define CONFIG_FT_FDC_DMA 3
# endif
#elif CONFIG_FT_MACH2 == 1 /* CONFIG_FT_PROBE_FC10 == 1 */
# if CONFIG_FT_FDC_BASE == 0
# undef CONFIG_FT_FDC_BASE
# define CONFIG_FT_FDC_BASE 0x1E0
# endif
# if CONFIG_FT_FDC_IRQ == 0
# undef CONFIG_FT_FDC_IRQ
# define CONFIG_FT_FDC_IRQ 6
# endif
# if CONFIG_FT_FDC_DMA == 0
# undef CONFIG_FT_FDC_DMA
# define CONFIG_FT_FDC_DMA 2
# endif
#elif CONFIG_FT_ALT_FDC == 1 /* CONFIG_FT_MACH2 */
# if CONFIG_FT_FDC_BASE == 0
# undef CONFIG_FT_FDC_BASE
# define CONFIG_FT_FDC_BASE 0x370
# endif
# if CONFIG_FT_FDC_IRQ == 0
# undef CONFIG_FT_FDC_IRQ
# define CONFIG_FT_FDC_IRQ 6
# endif
# if CONFIG_FT_FDC_DMA == 0
# undef CONFIG_FT_FDC_DMA
# define CONFIG_FT_FDC_DMA 2
# endif
#else /* CONFIG_FT_ALT_FDC */
# if CONFIG_FT_FDC_BASE == 0
# undef CONFIG_FT_FDC_BASE
# define CONFIG_FT_FDC_BASE 0x3f0
# endif
# if CONFIG_FT_FDC_IRQ == 0
# undef CONFIG_FT_FDC_IRQ
# define CONFIG_FT_FDC_IRQ 6
# endif
# if CONFIG_FT_FDC_DMA == 0
# undef CONFIG_FT_FDC_DMA
# define CONFIG_FT_FDC_DMA 2
# endif
#endif /* standard FDC */
/* some useful macro's
*/
#define ABS(a) ((a) < 0 ? -(a) : (a))
#define NR_ITEMS(x) (int)(sizeof(x)/ sizeof(*x))
extern int ftape_init(void);
#endif /* __KERNEL__ */
#endif
|
