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
|
/*
* Copyright (C) 1993-1996 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.
*
* This file contains the code that interfaces the kernel
* for the QIC-40/80/3010/3020 floppy-tape driver for Linux.
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/version.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/major.h>
#include <linux/ftape.h>
#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,16)
#include <linux/init.h>
#else
#define __initdata
#define __initfunc(__arg) __arg
#endif
#include <linux/qic117.h>
#ifdef CONFIG_ZFTAPE
#include <linux/zftape.h>
#endif
#include "../lowlevel/ftape-init.h"
#include "../lowlevel/ftape_syms.h"
#include "../lowlevel/ftape-io.h"
#include "../lowlevel/ftape-read.h"
#include "../lowlevel/ftape-write.h"
#include "../lowlevel/ftape-ctl.h"
#include "../lowlevel/ftape-rw.h"
#include "../lowlevel/fdc-io.h"
#include "../lowlevel/ftape-buffer.h"
#include "../lowlevel/ftape-proc.h"
#include "../lowlevel/ftape-tracing.h"
/* Global vars.
*/
char ft_src[] __initdata = "$Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-init.c,v $";
char ft_rev[] __initdata = "$Revision: 1.8 $";
char ft_dat[] __initdata = "$Date: 1997/11/06 00:38:08 $";
/* Called by modules package when installing the driver
* or by kernel during the initialization phase
*/
int __init ftape_init(void)
{
TRACE_FUN(ft_t_flow);
#ifdef MODULE
printk(KERN_INFO FTAPE_VERSION "\n");
if (TRACE_LEVEL >= ft_t_info) {
printk(
KERN_INFO "(c) 1993-1996 Bas Laarhoven (bas@vimec.nl)\n"
KERN_INFO "(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no)\n"
KERN_INFO "(c) 1996-1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)\n"
KERN_INFO "QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives\n"
KERN_INFO "Compiled for Linux version %s"
#ifdef MODVERSIONS
" with versioned symbols"
#endif
"\n", UTS_RELEASE);
}
#else /* !MODULE */
/* print a short no-nonsense boot message */
printk(KERN_INFO FTAPE_VERSION " for Linux " UTS_RELEASE "\n");
#endif /* MODULE */
TRACE(ft_t_info, "installing QIC-117 floppy tape hardware drive ... ");
TRACE(ft_t_info, "ftape_init @ 0x%p", ftape_init);
/* Allocate the DMA buffers. They are deallocated at cleanup() time.
*/
#if TESTING
#ifdef MODULE
while (ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS) < 0) {
ftape_sleep(FT_SECOND/20);
if (signal_pending(current)) {
(void)ftape_set_nr_buffers(0);
TRACE(ft_t_bug,
"Killed by signal while allocating buffers.");
TRACE_ABORT(-EINTR,
ft_t_bug, "Free up memory and retry");
}
}
#else
TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
(void)ftape_set_nr_buffers(0));
#endif
#else
TRACE_CATCH(ftape_set_nr_buffers(CONFIG_FT_NR_BUFFERS),
(void)ftape_set_nr_buffers(0));
#endif
ft_drive_sel = -1;
ft_failure = 1; /* inhibit any operation but open */
ftape_udelay_calibrate(); /* must be before fdc_wait_calibrate ! */
fdc_wait_calibrate();
#if (LINUX_VERSION_CODE >= KERNEL_VER(1,2,0) && \
LINUX_VERSION_CODE < KERNEL_VER(2,1,18))
register_symtab(&ftape_symbol_table); /* add global ftape symbols */
#endif
#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
(void)ftape_proc_init();
#endif
#ifdef CONFIG_ZFTAPE
(void)zft_init();
#endif
TRACE_EXIT 0;
}
#ifdef MODULE
#ifndef CONFIG_FT_NO_TRACE_AT_ALL
static int ft_tracing = -1;
#endif
#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,18)
#define FT_MOD_PARM(var,type,desc) \
MODULE_PARM(var,type); MODULE_PARM_DESC(var,desc)
FT_MOD_PARM(ft_fdc_base, "i", "Base address of FDC controller.");
FT_MOD_PARM(ft_fdc_irq, "i", "IRQ (interrupt channel) to use.");
FT_MOD_PARM(ft_fdc_dma, "i", "DMA channel to use.");
FT_MOD_PARM(ft_fdc_threshold, "i", "Threshold of the FDC Fifo.");
FT_MOD_PARM(ft_fdc_rate_limit, "i", "Maximal data rate for FDC.");
FT_MOD_PARM(ft_probe_fc10, "i",
"If non-zero, probe for a Colorado FC-10/FC-20 controller.");
FT_MOD_PARM(ft_mach2, "i",
"If non-zero, probe for a Mountain MACH-2 controller.");
FT_MOD_PARM(ft_tracing, "i",
"Amount of debugging output, 0 <= tracing <= 8, default 3.");
MODULE_AUTHOR(
"(c) 1993-1996 Bas Laarhoven (bas@vimec.nl), "
"(c) 1995-1996 Kai Harrekilde-Petersen (khp@dolphinics.no), "
"(c) 1996, 1997 Claus-Justus Heine (claus@momo.math.rwth-aachen.de)");
MODULE_DESCRIPTION(
"QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives.");
#endif
#if LINUX_VERSION_CODE <= KERNEL_VER(1,2,13)
char kernel_version[] = UTS_RELEASE;
#endif
/* Called by modules package when installing the driver
*/
int init_module(void)
{
#ifndef CONFIG_FT_NO_TRACE_AT_ALL
if (ft_tracing != -1) {
ftape_tracing = ft_tracing;
}
#endif
return ftape_init();
}
/* Called by modules package when removing the driver
*/
void cleanup_module(void)
{
TRACE_FUN(ft_t_flow);
#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
ftape_proc_destroy();
#endif
(void)ftape_set_nr_buffers(0);
printk(KERN_INFO "ftape: unloaded.\n");
TRACE_EXIT;
}
#endif /* MODULE */
|