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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
|
/* $OpenBSD: conf.c,v 1.25 1998/09/25 09:20:52 todd Exp $ */
/* $NetBSD: conf.c,v 1.42 1997/01/07 11:35:03 mrg Exp $ */
/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)conf.c 7.9 (Berkeley) 5/28/91
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/conf.h>
#include <sys/vnode.h>
#include <dev/cons.h>
#include <machine/conf.h>
#ifdef BANKEDDEVPAGER
#include <sys/bankeddev.h>
#endif
#include "vnd.h"
#include "sd.h"
#include "cd.h"
#include "st.h"
#include "fd.h"
#include "ccd.h"
#include "ss.h"
#include "wd.h"
#include "acd.h"
#include "rd.h"
#include "ch.h"
#ifdef XFS
#include <xfs/nxfs.h>
cdev_decl(xfs_dev);
#endif
#include "ksyms.h"
struct bdevsw bdevsw[] =
{
bdev_disk_init(NWD,wd), /* 0: ST506/ESDI/IDE disk */
bdev_notdef(), /* 1 */
bdev_disk_init(NFD,fd), /* 2: floppy disk */
bdev_swap_init(1,sw), /* 3: swap pseudo-device */
bdev_disk_init(NSD,sd), /* 4: SCSI disk */
bdev_tape_init(NST,st), /* 5: SCSI tape */
bdev_disk_init(NVND,vnd), /* 6: vnode disk driver */
bdev_disk_init(NCD,cd), /* 7: SCSI CD-ROM */
bdev_disk_init(NCCD,ccd), /* 8: concatenated disk driver */
bdev_lkm_dummy(), /* 9 */
bdev_lkm_dummy(), /* 10 */
bdev_lkm_dummy(), /* 11 */
bdev_lkm_dummy(), /* 12 */
bdev_lkm_dummy(), /* 13 */
bdev_lkm_dummy(), /* 14 */
bdev_disk_init(NACD,acd), /* 15: ATAPI CD-ROM */
bdev_disk_init(NRD,rd), /* 16: ram disk driver */
};
int nblkdev = sizeof(bdevsw) / sizeof(bdevsw[0]);
#include "pty.h"
#include "grf.h"
#include "par.h"
#include "ser.h"
#include "msc.h"
#include "ite.h"
#include "kbd.h"
#include "ms.h"
#include "view.h"
#include "mfcs.h"
dev_decl(filedesc,open);
#include "bpfilter.h"
#include "tun.h"
#include "com.h"
#include "lpt.h"
#include "uk.h"
#include "audio.h"
cdev_decl(audio);
struct cdevsw cdevsw[] =
{
cdev_cn_init(1,cn), /* 0: virtual console */
cdev_ctty_init(1,ctty), /* 1: controlling terminal */
cdev_mm_init(1,mm), /* 2: /dev/{null,mem,kmem,...} */
cdev_swap_init(1,sw), /* 3: /dev/drum (swap pseudo-device) */
cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */
cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */
cdev_log_init(1,log), /* 6: /dev/klog */
cdev_disk_init(NCCD,ccd), /* 7: concatenated disk driver */
cdev_disk_init(NSD,sd), /* 8: SCSI disk */
cdev_disk_init(NCD,cd), /* 9: SCSI CD-ROM */
cdev_grf_init(NGRF,grf), /* 10: frame buffer */
cdev_par_init(NPAR,par), /* 11: parallel interface */
cdev_tty_init(NSER,ser), /* 12: built-in single-port serial */
cdev_tty_init(NITE,ite), /* 13: console terminal emulator */
cdev_mouse_init(NKBD,kbd), /* 14: /dev/kbd */
cdev_mouse_init(NMS,ms), /* 15: /dev/mouse0 /dev/mouse1 */
cdev_view_init(NVIEW,view), /* 16: /dev/view00 /dev/view01 ... */
cdev_tty_init(NMFCS,mfcs), /* 17: MultiFaceCard III serial */
cdev_disk_init(NFD,fd), /* 18: floppy disk */
cdev_disk_init(NVND,vnd), /* 19: vnode disk driver */
cdev_tape_init(NST,st), /* 20: SCSI tape */
cdev_fd_init(1,filedesc), /* 21: file descriptor pseudo-dev */
cdev_bpftun_init(NBPFILTER,bpf),/* 22: Berkeley packet filter */
cdev_bpftun_init(NTUN,tun), /* 23: network tunnel */
cdev_lkm_init(NLKM,lkm), /* 24: loadable module driver */
cdev_scanner_init(NSS,ss), /* 25: SCSI scanner */
cdev_lkm_dummy(), /* 26 */
cdev_lkm_dummy(), /* 27 */
cdev_lkm_dummy(), /* 28 */
cdev_lkm_dummy(), /* 29 */
cdev_lkm_dummy(), /* 30 */
cdev_tty_init(NMSC,msc), /* 31: A2232 MSC Multiport serial */
cdev_tty_init(NCOM,com), /* 32: ISA serial port */
cdev_lpt_init(NLPT,lpt), /* 33: ISA parallel printer */
cdev_gen_ipf(NIPF,ipl), /* 34: IP filter log */
cdev_random_init(1,random), /* 35: random data source */
cdev_uk_init(NUK,uk), /* 36: unknown SCSI */
cdev_disk_init(NWD,wd), /* 37: ST506/ESDI/IDE disk */
cdev_disk_init(NACD,acd), /* 38: ATAPI CD-ROM */
cdev_audio_init(NAUDIO,audio), /* 39: cc audio interface */
cdev_ch_init(NCH,ch), /* 40: SCSI autochanger */
cdev_disk_init(NRD,rd), /* 41: RAM disk */
cdev_ksyms_init(NKSYMS,ksyms), /* 42: Kernel symbols device */
cdev_notdef(), /* 43 */
cdev_notdef(), /* 44 */
cdev_notdef(), /* 45 */
cdev_notdef(), /* 46 */
cdev_notdef(), /* 46 */
cdev_notdef(), /* 47 */
cdev_notdef(), /* 48 */
cdev_notdef(), /* 49 */
cdev_notdef(), /* 50 */
#ifdef XFS
cdev_xfs_init(NXFS,xfs_dev), /* 51: xfs communication device */
#else
cdev_notdef(), /* 51 */
#endif
};
int nchrdev = sizeof(cdevsw) / sizeof(cdevsw[0]);
#ifdef BANKEDDEVPAGER
extern int grfbanked_get __P((int, int, int));
extern int grfbanked_set __P((int, int));
extern int grfbanked_cur __P((int));
struct bankeddevsw bankeddevsw[sizeof (cdevsw) / sizeof (cdevsw[0])] = {
{ 0, 0, 0 }, /* 0 */
{ 0, 0, 0 }, /* 1 */
{ 0, 0, 0 }, /* 2 */
{ 0, 0, 0 }, /* 3 */
{ 0, 0, 0 }, /* 4 */
{ 0, 0, 0 }, /* 5 */
{ 0, 0, 0 }, /* 6 */
{ 0, 0, 0 }, /* 7 */
{ 0, 0, 0 }, /* 8 */
{ 0, 0, 0 }, /* 9 */
{ grfbanked_get, grfbanked_cur, grfbanked_set }, /* 10 */
/* rest { 0, 0, 0 } */
};
#endif
int mem_no = 2; /* major device number of memory special file */
/*
* Swapdev is a fake device implemented
* in sw.c used only internally to get to swstrategy.
* It cannot be provided to the users, because the
* swstrategy routine munches the b_dev and b_blkno entries
* before calling the appropriate driver. This would horribly
* confuse, e.g. the hashing routines. Instead, /dev/drum is
* provided as a character (raw) device.
*/
dev_t swapdev = makedev(3, 0);
/*
* Returns true if dev is /dev/mem or /dev/kmem.
*/
int
iskmemdev(dev)
dev_t dev;
{
return (major(dev) == mem_no && minor(dev) < 2);
}
/*
* Returns true if dev is /dev/zero.
*/
int
iszerodev(dev)
dev_t dev;
{
return (major(dev) == mem_no && minor(dev) == 12);
}
static int chrtoblktab[] = {
/* XXXX This needs to be dynamic for LKMs. */
/*VCHR*/ /*VBLK*/
/* 0 */ NODEV,
/* 1 */ NODEV,
/* 2 */ NODEV,
/* 3 */ NODEV,
/* 4 */ NODEV,
/* 5 */ NODEV,
/* 6 */ NODEV,
/* 7 */ 8, /* ccd */
/* 8 */ 4, /* sd */
/* 9 */ 7, /* cd */
/* 10 */ NODEV,
/* 11 */ NODEV,
/* 12 */ NODEV,
/* 13 */ NODEV,
/* 14 */ NODEV,
/* 15 */ NODEV,
/* 16 */ NODEV,
/* 17 */ NODEV,
/* 18 */ 2, /* fd */
/* 19 */ 6, /* vnd */
/* 20 */ 5, /* st */
/* 21 */ NODEV,
/* 22 */ NODEV,
/* 23 */ NODEV,
/* 24 */ NODEV,
/* 25 */ NODEV,
/* 26 */ NODEV,
/* 27 */ NODEV,
/* 28 */ NODEV,
/* 29 */ NODEV,
/* 30 */ NODEV,
/* 31 */ NODEV,
/* 32 */ NODEV,
/* 33 */ NODEV,
/* 34 */ NODEV,
/* 35 */ NODEV,
/* 36 */ NODEV,
/* 37 */ 0, /* wd */
/* 38 */ 15, /* acd */
/* 39 */ NODEV,
/* 40 */ NODEV,
/* 41 */ 16, /* rd */
};
/*
* Convert a character device number to a block device number.
*/
int
chrtoblk(dev)
dev_t dev;
{
int blkmaj;
if (major(dev) >= nchrdev ||
major(dev) > sizeof(chrtoblktab)/sizeof(chrtoblktab[0]))
return (NODEV);
blkmaj = chrtoblktab[major(dev)];
if (blkmaj == NODEV)
return (NODEV);
return (makedev(blkmaj, minor(dev)));
}
/*
* Convert a character device number to a block device number.
*/
dev_t
blktochr(dev)
dev_t dev;
{
int blkmaj = major(dev);
int i;
if (blkmaj >= nblkdev)
return (NODEV);
for (i = 0; i < sizeof(chrtoblktab)/sizeof(chrtoblktab[0]); i++)
if (blkmaj == chrtoblktab[i])
return (makedev(i, minor(dev)));
return (NODEV);
}
/*
* This entire table could be autoconfig()ed but that would mean that
* the kernel's idea of the console would be out of sync with that of
* the standalone boot. I think it best that they both use the same
* known algorithm unless we see a pressing need otherwise.
*/
cons_decl(com);
cons_decl(ite);
cons_decl(ser);
struct consdev constab[] = {
#if NSER > 0
cons_init(ser),
#endif
#if NITE > 0
cons_init(ite),
#endif
#ifdef notyet
#if NCOM > 0
cons_init(com),
#endif
#endif
{ 0 },
};
|
