conf.c revision 1.11 1 1.11 thorpej /* $NetBSD: conf.c,v 1.11 1997/06/01 09:18:45 thorpej Exp $ */
2 1.1 chuck
3 1.1 chuck /*-
4 1.1 chuck * Copyright (c) 1991 The Regents of the University of California.
5 1.1 chuck * All rights reserved.
6 1.1 chuck *
7 1.1 chuck * Redistribution and use in source and binary forms, with or without
8 1.1 chuck * modification, are permitted provided that the following conditions
9 1.1 chuck * are met:
10 1.1 chuck * 1. Redistributions of source code must retain the above copyright
11 1.1 chuck * notice, this list of conditions and the following disclaimer.
12 1.1 chuck * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 chuck * notice, this list of conditions and the following disclaimer in the
14 1.1 chuck * documentation and/or other materials provided with the distribution.
15 1.1 chuck * 3. All advertising materials mentioning features or use of this software
16 1.1 chuck * must display the following acknowledgement:
17 1.1 chuck * This product includes software developed by the University of
18 1.1 chuck * California, Berkeley and its contributors.
19 1.1 chuck * 4. Neither the name of the University nor the names of its contributors
20 1.1 chuck * may be used to endorse or promote products derived from this software
21 1.1 chuck * without specific prior written permission.
22 1.1 chuck *
23 1.1 chuck * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 1.1 chuck * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 1.1 chuck * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 1.1 chuck * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 1.1 chuck * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 1.1 chuck * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 1.1 chuck * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 1.1 chuck * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 1.1 chuck * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 1.1 chuck * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 1.1 chuck * SUCH DAMAGE.
34 1.1 chuck *
35 1.1 chuck * @(#)conf.c 7.9 (Berkeley) 5/28/91
36 1.1 chuck */
37 1.1 chuck
38 1.1 chuck #include <sys/param.h>
39 1.1 chuck #include <sys/systm.h>
40 1.1 chuck #include <sys/buf.h>
41 1.1 chuck #include <sys/ioctl.h>
42 1.1 chuck #include <sys/tty.h>
43 1.1 chuck #include <sys/conf.h>
44 1.1 chuck #include <sys/vnode.h>
45 1.1 chuck
46 1.1 chuck bdev_decl(sw);
47 1.1 chuck #include "sd.h"
48 1.1 chuck bdev_decl(sd);
49 1.6 chuck #include "ccd.h"
50 1.6 chuck bdev_decl(ccd);
51 1.6 chuck #include "vnd.h"
52 1.6 chuck bdev_decl(vnd);
53 1.6 chuck #include "st.h"
54 1.6 chuck bdev_decl(st);
55 1.1 chuck #include "cd.h"
56 1.1 chuck bdev_decl(cd);
57 1.10 pk #include "md.h"
58 1.10 pk bdev_decl(md);
59 1.1 chuck
60 1.1 chuck struct bdevsw bdevsw[] =
61 1.1 chuck {
62 1.1 chuck bdev_notdef(), /* 0 */
63 1.1 chuck bdev_notdef(), /* 1 */
64 1.1 chuck bdev_notdef(), /* 2 */
65 1.1 chuck bdev_swap_init(1,sw), /* 3: swap pseudo-device */
66 1.1 chuck bdev_disk_init(NSD,sd), /* 4: SCSI disk */
67 1.6 chuck bdev_disk_init(NCCD,ccd), /* 5: concatenated disk driver */
68 1.1 chuck bdev_disk_init(NVND,vnd), /* 6: vnode disk driver */
69 1.6 chuck bdev_tape_init(NST,st), /* 7: SCSI tape */
70 1.6 chuck bdev_disk_init(NCD,cd), /* 8: SCSI CD-ROM */
71 1.10 pk bdev_disk_init(NMD,md), /* 9: memory disk - for install tape */
72 1.1 chuck bdev_lkm_dummy(), /* 10 */
73 1.1 chuck bdev_lkm_dummy(), /* 11 */
74 1.1 chuck bdev_lkm_dummy(), /* 12 */
75 1.1 chuck bdev_lkm_dummy(), /* 13 */
76 1.1 chuck bdev_lkm_dummy(), /* 14 */
77 1.6 chuck bdev_lkm_dummy(), /* 15 */
78 1.1 chuck };
79 1.1 chuck
80 1.1 chuck int nblkdev = sizeof (bdevsw) / sizeof (bdevsw[0]);
81 1.1 chuck
82 1.1 chuck cdev_decl(cn);
83 1.1 chuck cdev_decl(ctty);
84 1.1 chuck #define mmread mmrw
85 1.1 chuck #define mmwrite mmrw
86 1.1 chuck cdev_decl(mm);
87 1.1 chuck cdev_decl(sw);
88 1.1 chuck
89 1.1 chuck #include "pty.h"
90 1.1 chuck #define ptstty ptytty
91 1.1 chuck #define ptsioctl ptyioctl
92 1.1 chuck cdev_decl(pts);
93 1.1 chuck #define ptctty ptytty
94 1.1 chuck #define ptcioctl ptyioctl
95 1.1 chuck cdev_decl(ptc);
96 1.1 chuck
97 1.1 chuck cdev_decl(log);
98 1.1 chuck cdev_decl(fd);
99 1.1 chuck
100 1.5 chuck #include "zstty.h"
101 1.1 chuck cdev_decl(zs);
102 1.1 chuck
103 1.8 chuck cdev_decl(cd);
104 1.8 chuck #include "ch.h"
105 1.8 chuck cdev_decl(ch);
106 1.1 chuck cdev_decl(sd);
107 1.8 chuck #include "ss.h"
108 1.8 chuck cdev_decl(ss);
109 1.1 chuck cdev_decl(st);
110 1.8 chuck #include "uk.h"
111 1.8 chuck cdev_decl(uk);
112 1.8 chuck
113 1.10 pk cdev_decl(md);
114 1.1 chuck cdev_decl(vnd);
115 1.2 thorpej cdev_decl(ccd);
116 1.1 chuck
117 1.4 chuck dev_decl(filedesc,open);
118 1.3 christos
119 1.1 chuck #include "bpfilter.h"
120 1.1 chuck cdev_decl(bpf);
121 1.1 chuck
122 1.1 chuck #include "tun.h"
123 1.1 chuck cdev_decl(tun);
124 1.1 chuck
125 1.9 chuck #include "lpt.h"
126 1.9 chuck cdev_decl(lpt);
127 1.9 chuck /* open, close, write, ioctl */
128 1.9 chuck #define cdev_lpt_init(c,n) { \
129 1.9 chuck dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*)))enodev, \
130 1.9 chuck dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*)))enodev, \
131 1.9 chuck 0, seltrue, (dev_type_mmap((*))) enodev, 0}
132 1.9 chuck
133 1.11 thorpej #include "ipfilter.h"
134 1.11 thorpej
135 1.1 chuck struct cdevsw cdevsw[] =
136 1.1 chuck {
137 1.1 chuck cdev_cn_init(1,cn), /* 0: virtual console */
138 1.1 chuck cdev_ctty_init(1,ctty), /* 1: controlling terminal */
139 1.1 chuck cdev_mm_init(1,mm), /* 2: /dev/{null,mem,kmem,...} */
140 1.1 chuck cdev_swap_init(1,sw), /* 3: /dev/drum (swap pseudo-device) */
141 1.1 chuck cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */
142 1.1 chuck cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */
143 1.1 chuck cdev_log_init(1,log), /* 6: /dev/klog */
144 1.11 thorpej cdev_ipf_init(NIPFILTER,ipl), /* 7: ip-filter device */
145 1.1 chuck cdev_disk_init(NSD,sd), /* 8: SCSI disk */
146 1.6 chuck cdev_notdef(), /* 9 */
147 1.1 chuck cdev_notdef(), /* 10 */
148 1.9 chuck cdev_lpt_init(NLPT,lpt), /* 11: parallel interface */
149 1.5 chuck cdev_tty_init(NZSTTY,zs), /* 12: SCC serial ports */
150 1.1 chuck cdev_notdef(), /* 13 */
151 1.1 chuck cdev_notdef(), /* 14 */
152 1.1 chuck cdev_notdef(), /* 15 */
153 1.1 chuck cdev_notdef(), /* 16 */
154 1.2 thorpej cdev_disk_init(NCCD,ccd), /* 17: concatenated disk driver */
155 1.6 chuck cdev_disk_init(NCD,cd), /* 18: SCSI CD-ROM */
156 1.1 chuck cdev_disk_init(NVND,vnd), /* 19: vnode disk */
157 1.1 chuck cdev_tape_init(NST,st), /* 20: SCSI tape */
158 1.3 christos cdev_fd_init(1,filedesc), /* 21: file descriptor pseudo-dev */
159 1.1 chuck cdev_bpftun_init(NBPFILTER,bpf),/* 22: berkeley packet filter */
160 1.1 chuck cdev_bpftun_init(NTUN,tun), /* 23: network tunnel */
161 1.1 chuck cdev_lkm_init(NLKM,lkm), /* 24: loadable module driver */
162 1.1 chuck cdev_lkm_dummy(), /* 25 */
163 1.1 chuck cdev_lkm_dummy(), /* 26 */
164 1.1 chuck cdev_lkm_dummy(), /* 27 */
165 1.1 chuck cdev_lkm_dummy(), /* 28 */
166 1.1 chuck cdev_lkm_dummy(), /* 29 */
167 1.1 chuck cdev_lkm_dummy(), /* 30 */
168 1.8 chuck cdev_ch_init(NCH,ch), /* 31: SCSI autochanger */
169 1.10 pk cdev_disk_init(NMD,md), /* 32: memory disk driver */
170 1.8 chuck cdev_scanner_init(NSS,ss), /* 33: SCSI scanner */
171 1.8 chuck cdev_uk_init(NUK,uk), /* 34: SCSI unknown */
172 1.8 chuck
173 1.1 chuck };
174 1.1 chuck
175 1.1 chuck int nchrdev = sizeof (cdevsw) / sizeof (cdevsw[0]);
176 1.1 chuck
177 1.1 chuck int mem_no = 2; /* major device number of memory special file */
178 1.1 chuck
179 1.1 chuck /*
180 1.1 chuck * Swapdev is a fake device implemented
181 1.1 chuck * in sw.c used only internally to get to swstrategy.
182 1.1 chuck * It cannot be provided to the users, because the
183 1.1 chuck * swstrategy routine munches the b_dev and b_blkno entries
184 1.1 chuck * before calling the appropriate driver. This would horribly
185 1.1 chuck * confuse, e.g. the hashing routines. Instead, /dev/drum is
186 1.1 chuck * provided as a character (raw) device.
187 1.1 chuck */
188 1.1 chuck dev_t swapdev = makedev(3, 0);
189 1.1 chuck
190 1.1 chuck /*
191 1.1 chuck * Returns true if dev is /dev/mem or /dev/kmem.
192 1.1 chuck */
193 1.1 chuck iskmemdev(dev)
194 1.1 chuck dev_t dev;
195 1.1 chuck {
196 1.1 chuck
197 1.1 chuck return (major(dev) == mem_no && minor(dev) < 2);
198 1.1 chuck }
199 1.1 chuck
200 1.1 chuck /*
201 1.1 chuck * Returns true if dev is /dev/zero.
202 1.1 chuck */
203 1.1 chuck iszerodev(dev)
204 1.1 chuck dev_t dev;
205 1.1 chuck {
206 1.1 chuck
207 1.1 chuck return (major(dev) == mem_no && minor(dev) == 12);
208 1.1 chuck }
209 1.1 chuck
210 1.1 chuck static int chrtoblktbl[] = {
211 1.1 chuck /* XXXX This needs to be dynamic for LKMs. */
212 1.1 chuck /*VCHR*/ /*VBLK*/
213 1.1 chuck /* 0 */ NODEV,
214 1.1 chuck /* 1 */ NODEV,
215 1.1 chuck /* 2 */ NODEV,
216 1.8 chuck /* 3 */ 3, /* sw */
217 1.1 chuck /* 4 */ NODEV,
218 1.1 chuck /* 5 */ NODEV,
219 1.1 chuck /* 6 */ NODEV,
220 1.1 chuck /* 7 */ NODEV,
221 1.8 chuck /* 8 */ 4, /* sd */
222 1.8 chuck /* 9 */ NODEV,
223 1.1 chuck /* 10 */ NODEV,
224 1.1 chuck /* 11 */ NODEV,
225 1.1 chuck /* 12 */ NODEV,
226 1.1 chuck /* 13 */ NODEV,
227 1.1 chuck /* 14 */ NODEV,
228 1.1 chuck /* 15 */ NODEV,
229 1.1 chuck /* 16 */ NODEV,
230 1.8 chuck /* 17 */ 5, /* ccd */
231 1.8 chuck /* 18 */ 8, /* cd */
232 1.8 chuck /* 19 */ 6, /* vnd */
233 1.8 chuck /* 20 */ 7, /* st */
234 1.1 chuck /* 21 */ NODEV,
235 1.1 chuck /* 22 */ NODEV,
236 1.8 chuck /* 23 */ NODEV,
237 1.8 chuck /* 24 */ NODEV,
238 1.8 chuck /* 25 */ NODEV,
239 1.8 chuck /* 26 */ NODEV,
240 1.8 chuck /* 27 */ NODEV,
241 1.8 chuck /* 28 */ NODEV,
242 1.8 chuck /* 29 */ NODEV,
243 1.8 chuck /* 30 */ NODEV,
244 1.8 chuck /* 31 */ NODEV,
245 1.10 pk /* 32 */ 9, /* md */
246 1.1 chuck };
247 1.1 chuck
248 1.1 chuck /*
249 1.1 chuck * Convert a character device number to a block device number.
250 1.1 chuck */
251 1.1 chuck chrtoblk(dev)
252 1.1 chuck dev_t dev;
253 1.1 chuck {
254 1.1 chuck int blkmaj;
255 1.1 chuck
256 1.8 chuck if (major(dev) >= nchrdev
257 1.8 chuck || major(dev) >= (sizeof(chrtoblktbl) / sizeof(chrtoblktbl[0])))
258 1.1 chuck return (NODEV);
259 1.1 chuck blkmaj = chrtoblktbl[major(dev)];
260 1.1 chuck if (blkmaj == NODEV)
261 1.1 chuck return (NODEV);
262 1.1 chuck return (makedev(blkmaj, minor(dev)));
263 1.1 chuck }
264 1.1 chuck
265 1.1 chuck /*
266 1.1 chuck * This entire table could be autoconfig()ed but that would mean that
267 1.1 chuck * the kernel's idea of the console would be out of sync with that of
268 1.1 chuck * the standalone boot. I think it best that they both use the same
269 1.1 chuck * known algorithm unless we see a pressing need otherwise.
270 1.1 chuck */
271 1.1 chuck #include <dev/cons.h>
272 1.1 chuck
273 1.5 chuck #define zsc_pcccngetc zscngetc
274 1.5 chuck #define zsc_pcccnputc zscnputc
275 1.5 chuck #define zsc_pcccnpollc nullcnpollc
276 1.5 chuck #include "zsc_pcc.h"
277 1.5 chuck cons_decl(zsc_pcc);
278 1.1 chuck
279 1.1 chuck struct consdev constab[] = {
280 1.5 chuck #if NZSC_PCC > 0
281 1.5 chuck cons_init(zsc_pcc),
282 1.1 chuck #endif
283 1.1 chuck { 0 },
284 1.1 chuck };
285