xref: /titanic_41/usr/src/cmd/devfsadm/misc_link.c (revision 82b5053fd84070f027436bc66665b7c0fd416e85)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <regex.h>
27 #include <devfsadm.h>
28 #include <stdio.h>
29 #include <strings.h>
30 #include <stdlib.h>
31 #include <limits.h>
32 #include <sys/zone.h>
33 #include <sys/zcons.h>
34 #include <sys/cpuid_drv.h>
35 
36 static int display(di_minor_t minor, di_node_t node);
37 static int parallel(di_minor_t minor, di_node_t node);
38 static int node_slash_minor(di_minor_t minor, di_node_t node);
39 static int driver_minor(di_minor_t minor, di_node_t node);
40 static int node_name(di_minor_t minor, di_node_t node);
41 static int minor_name(di_minor_t minor, di_node_t node);
42 static int wifi_minor_name(di_minor_t minor, di_node_t node);
43 static int conskbd(di_minor_t minor, di_node_t node);
44 static int consms(di_minor_t minor, di_node_t node);
45 static int power_button(di_minor_t minor, di_node_t node);
46 static int fc_port(di_minor_t minor, di_node_t node);
47 static int printer_create(di_minor_t minor, di_node_t node);
48 static int se_hdlc_create(di_minor_t minor, di_node_t node);
49 static int ppm(di_minor_t minor, di_node_t node);
50 static int gpio(di_minor_t minor, di_node_t node);
51 static int av_create(di_minor_t minor, di_node_t node);
52 static int tsalarm_create(di_minor_t minor, di_node_t node);
53 static int ntwdt_create(di_minor_t minor, di_node_t node);
54 static int zcons_create(di_minor_t minor, di_node_t node);
55 static int cpuid(di_minor_t minor, di_node_t node);
56 static int glvc(di_minor_t minor, di_node_t node);
57 static int ses_callback(di_minor_t minor, di_node_t node);
58 static int kmdrv_create(di_minor_t minor, di_node_t node);
59 
60 static devfsadm_create_t misc_cbt[] = {
61 	{ "pseudo", "ddi_pseudo", "(^sad$)",
62 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_slash_minor
63 	},
64 	{ "pseudo", "ddi_pseudo", "zsh",
65 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, driver_minor
66 	},
67 	{ "network", "ddi_network", NULL,
68 	    TYPE_EXACT, ILEVEL_0, minor_name
69 	},
70 	{ "wifi", "ddi_network:wifi", NULL,
71 	    TYPE_EXACT, ILEVEL_0, wifi_minor_name
72 	},
73 	{ "display", "ddi_display", NULL,
74 	    TYPE_EXACT, ILEVEL_0, display
75 	},
76 	{ "parallel", "ddi_parallel", NULL,
77 	    TYPE_EXACT, ILEVEL_0, parallel
78 	},
79 	{ "enclosure", DDI_NT_SCSI_ENCLOSURE, NULL,
80 	    TYPE_EXACT, ILEVEL_0, ses_callback
81 	},
82 	{ "pseudo", "ddi_pseudo", "(^winlock$)|(^pm$)",
83 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
84 	},
85 	{ "pseudo", "ddi_pseudo", "conskbd",
86 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, conskbd
87 	},
88 	{ "pseudo", "ddi_pseudo", "consms",
89 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, consms
90 	},
91 	{ "pseudo", "ddi_pseudo", "rsm",
92 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
93 	},
94 	{ "pseudo", "ddi_pseudo",
95 	    "(^lockstat$)|(^SUNW,rtvc$)|(^vol$)|(^log$)|(^sy$)|"
96 	    "(^ksyms$)|(^clone$)|(^tl$)|(^tnf$)|(^kstat$)|(^mdesc$)|"
97 	    "(^eeprom$)|(^ptsl$)|(^mm$)|(^wc$)|(^dump$)|(^cn$)|(^lo$)|(^ptm$)|"
98 	    "(^ptc$)|(^openeepr$)|(^poll$)|(^sysmsg$)|(^random$)|(^trapstat$)|"
99 	    "(^cryptoadm$)|(^crypto$)|(^pool$)|(^poolctl$)|(^bl$)|(^kmdb$)|"
100 	    "(^sysevent$)|(^kssl$)|(^physmem$)",
101 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
102 	},
103 	{ "pseudo", "ddi_pseudo",
104 	    "(^ip$)|(^tcp$)|(^udp$)|(^icmp$)|(^sctp$)|"
105 	    "(^ip6$)|(^tcp6$)|(^udp6$)|(^icmp6$)|(^sctp6$)|"
106 	    "(^rts$)|(^arp$)|(^ipsecah$)|(^ipsecesp$)|(^keysock$)|(^spdsock$)|"
107 	    "(^nca$)|(^rds$)|(^sdp$)",
108 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
109 	},
110 	{ "pseudo", "ddi_pseudo",
111 	    "(^ipf$)|(^ipnat$)|(^ipstate$)|(^ipauth$)|"
112 	    "(^ipsync$)|(^ipscan$)|(^iplookup$)",
113 	    TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
114 	},
115 	{ "pseudo", "ddi_pseudo", "dld",
116 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
117 	},
118 	{ "pseudo", "ddi_pseudo",
119 	    "(^kdmouse$)|(^logi$)|(^rootprop$)|(^msm$)",
120 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
121 	},
122 	{ "pseudo", "ddi_pseudo", "tod",
123 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
124 	},
125 	{ "pseudo", "ddi_pseudo", "envctrl(two)?",
126 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
127 	},
128 	{ "pseudo", "ddi_pseudo", "fcode",
129 	    TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
130 	},
131 	{ "power_button", "ddi_power_button", NULL,
132 	    TYPE_EXACT, ILEVEL_0, power_button,
133 	},
134 	{ "FC port", "ddi_ctl:devctl", "fp",
135 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, fc_port
136 	},
137 	{ "printer", "ddi_printer", NULL,
138 	    TYPE_EXACT, ILEVEL_0, printer_create
139 	},
140 	{ "pseudo", "ddi_pseudo", "se",
141 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, se_hdlc_create
142 	},
143 	{ "ppm",  "ddi_ppm", NULL,
144 	    TYPE_EXACT, ILEVEL_0, ppm
145 	},
146 	{ "pseudo", "ddi_pseudo", "gpio_87317",
147 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, gpio
148 	},
149 	{ "pseudo", "ddi_pseudo", "sckmdrv",
150 	    TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
151 	},
152 	{ "pseudo", "ddi_pseudo", "oplkmdrv",
153 	    TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
154 	},
155 	{ "av", "^ddi_av:(isoch|async)$", NULL,
156 	    TYPE_RE, ILEVEL_0, av_create,
157 	},
158 	{ "pseudo", "ddi_pseudo", "tsalarm",
159 	    TYPE_EXACT | DRV_RE, ILEVEL_0, tsalarm_create,
160 	},
161 	{ "pseudo", "ddi_pseudo", "ntwdt",
162 	    TYPE_EXACT | DRV_RE, ILEVEL_0, ntwdt_create,
163 	},
164 	{ "pseudo", "ddi_pseudo", "daplt",
165 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
166 	},
167 	{ "pseudo", "ddi_pseudo", "zcons",
168 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, zcons_create,
169 	},
170 	{ "pseudo", "ddi_pseudo", CPUID_DRIVER_NAME,
171 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, cpuid,
172 	},
173 	{ "pseudo", "ddi_pseudo", "glvc",
174 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, glvc,
175 	},
176 	{ "pseudo", "ddi_pseudo", "dm2s",
177 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name,
178 	},
179 	{ "pseudo", "ddi_pseudo", "nsmb",
180 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
181 	},
182 	{ "pseudo", "ddi_pseudo", "mem_cache",
183 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
184 	},
185 };
186 
187 DEVFSADM_CREATE_INIT_V0(misc_cbt);
188 
189 static devfsadm_remove_t misc_remove_cbt[] = {
190 	{ "pseudo", "^profile$",
191 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
192 	},
193 	{ "pseudo", "^rsm$",
194 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
195 	},
196 	{ "printer", "^printers/[0-9]+$",
197 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
198 	},
199 	{ "av", "^av/[0-9]+/(async|isoch)$",
200 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
201 	},
202 	{ "pseudo", "^daplt$",
203 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
204 	},
205 	{ "pseudo", "^zcons/" ZONENAME_REGEXP "/(" ZCONS_MASTER_NAME "|"
206 		ZCONS_SLAVE_NAME ")$",
207 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
208 	},
209 	{ "pseudo", "^" CPUID_SELF_NAME "$", RM_ALWAYS | RM_PRE | RM_HOT,
210 	    ILEVEL_0, devfsadm_rm_all
211 	},
212 	{ "enclosure", "^es/ses[0-9]+$", RM_POST,
213 		ILEVEL_0, devfsadm_rm_all
214 	},
215 	{ "pseudo", "^pfil$",
216 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
217 	}
218 };
219 
220 /* Rules for gpio devices */
221 static devfsadm_enumerate_t gpio_rules[1] =
222 	{"^gpio([0-9]+)$", 1, MATCH_ALL};
223 
224 DEVFSADM_REMOVE_INIT_V0(misc_remove_cbt);
225 
226 /*
227  * Handles minor node type "ddi_display".
228  *
229  * type=ddi_display fbs/\M0 fb\N0
230  */
231 static int
232 display(di_minor_t minor, di_node_t node)
233 {
234 	char l_path[PATH_MAX + 1], contents[PATH_MAX + 1], *buf;
235 	devfsadm_enumerate_t rules[1] = {"^fb([0-9]+)$", 1, MATCH_ALL};
236 	char *mn = di_minor_name(minor);
237 
238 	/* create fbs/\M0 primary link */
239 	(void) strcpy(l_path, "fbs/");
240 	(void) strcat(l_path, mn);
241 	(void) devfsadm_mklink(l_path, node, minor, 0);
242 
243 	/* create fb\N0 which links to fbs/\M0 */
244 	if (devfsadm_enumerate_int(l_path, 0, &buf, rules, 1)) {
245 		return (DEVFSADM_CONTINUE);
246 	}
247 	(void) strcpy(contents, l_path);
248 	(void) strcpy(l_path, "fb");
249 	(void) strcat(l_path, buf);
250 	free(buf);
251 	(void) devfsadm_secondary_link(l_path, contents, 0);
252 	return (DEVFSADM_CONTINUE);
253 }
254 
255 /*
256  * Handles minor node type "ddi_parallel".
257  * type=ddi_parallel;name=mcpp     mcpp\N0
258  */
259 static int
260 parallel(di_minor_t minor, di_node_t node)
261 {
262 	char path[PATH_MAX + 1], *buf;
263 	devfsadm_enumerate_t rules[1] = {"mcpp([0-9]+)$", 1, MATCH_ALL};
264 
265 
266 	if (strcmp(di_node_name(node), "mcpp") != 0) {
267 		return (DEVFSADM_CONTINUE);
268 	}
269 
270 	if (NULL == (buf = di_devfs_path(node))) {
271 		return (DEVFSADM_CONTINUE);
272 	}
273 
274 	(void) snprintf(path, sizeof (path), "%s:%s",
275 	    buf, di_minor_name(minor));
276 
277 	di_devfs_path_free(buf);
278 
279 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
280 		return (DEVFSADM_CONTINUE);
281 	}
282 	(void) snprintf(path, sizeof (path), "mcpp%s", buf);
283 	free(buf);
284 
285 	(void) devfsadm_mklink(path, node, minor, 0);
286 	return (DEVFSADM_CONTINUE);
287 }
288 
289 static int
290 ses_callback(di_minor_t minor, di_node_t node)
291 {
292 	char l_path[PATH_MAX];
293 	char *buf;
294 	char *devfspath;
295 	char p_path[PATH_MAX];
296 	devfsadm_enumerate_t re[] = {"^es$/^ses([0-9]+)$", 1, MATCH_ALL};
297 
298 	/* find devices path -- need to free mem */
299 	if (NULL == (devfspath = di_devfs_path(node))) {
300 		return (DEVFSADM_CONTINUE);
301 	}
302 
303 	(void) snprintf(p_path, sizeof (p_path), "%s:%s", devfspath,
304 	    di_minor_name(minor));
305 
306 
307 	/* find next number to use; buf is an ascii number */
308 	if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) {
309 		/* free memory */
310 		di_devfs_path_free(devfspath);
311 		return (DEVFSADM_CONTINUE);
312 	}
313 
314 	(void) snprintf(l_path, sizeof (l_path), "es/ses%s", buf);
315 
316 	(void) devfsadm_mklink(l_path, node, minor, 0);
317 	/* free memory */
318 	free(buf);
319 	di_devfs_path_free(devfspath);
320 	return (DEVFSADM_CONTINUE);
321 
322 }
323 
324 static int
325 node_slash_minor(di_minor_t minor, di_node_t node)
326 {
327 
328 	char path[PATH_MAX + 1];
329 
330 	(void) strcpy(path, di_node_name(node));
331 	(void) strcat(path, "/");
332 	(void) strcat(path, di_minor_name(minor));
333 	(void) devfsadm_mklink(path, node, minor, 0);
334 	return (DEVFSADM_CONTINUE);
335 }
336 
337 static int
338 driver_minor(di_minor_t minor, di_node_t node)
339 {
340 	char path[PATH_MAX + 1];
341 
342 	(void) strcpy(path, di_driver_name(node));
343 	(void) strcat(path, di_minor_name(minor));
344 	(void) devfsadm_mklink(path, node, minor, 0);
345 	return (DEVFSADM_CONTINUE);
346 }
347 
348 /*
349  * Handles links of the form:
350  * type=ddi_pseudo;name=xyz  \D
351  */
352 static int
353 node_name(di_minor_t minor, di_node_t node)
354 {
355 	(void) devfsadm_mklink(di_node_name(node), node, minor, 0);
356 	return (DEVFSADM_CONTINUE);
357 }
358 
359 /*
360  * Handles links of the form:
361  * type=ddi_pseudo;name=xyz  \M0
362  */
363 static int
364 minor_name(di_minor_t minor, di_node_t node)
365 {
366 	char *mn = di_minor_name(minor);
367 
368 	(void) devfsadm_mklink(mn, node, minor, 0);
369 	if (strcmp(mn, "icmp") == 0) {
370 		(void) devfsadm_mklink("rawip", node, minor, 0);
371 	}
372 	if (strcmp(mn, "icmp6") == 0) {
373 		(void) devfsadm_mklink("rawip6", node, minor, 0);
374 	}
375 	if (strcmp(mn, "ipf") == 0) {
376 		(void) devfsadm_mklink("ipl", node, minor, 0);
377 	}
378 	return (DEVFSADM_CONTINUE);
379 }
380 
381 /*
382  * create links at /dev/wifi for wifi minor node
383  */
384 static int
385 wifi_minor_name(di_minor_t minor, di_node_t node)
386 {
387 	char buf[256];
388 	char *mn = di_minor_name(minor);
389 
390 	(void) snprintf(buf, sizeof (buf), "%s%s", "wifi/", mn);
391 	(void) devfsadm_mklink(buf, node, minor, 0);
392 
393 	return (DEVFSADM_CONTINUE);
394 }
395 
396 static int
397 conskbd(di_minor_t minor, di_node_t node)
398 {
399 	(void) devfsadm_mklink("kbd", node, minor, 0);
400 	return (DEVFSADM_CONTINUE);
401 }
402 
403 static int
404 consms(di_minor_t minor, di_node_t node)
405 {
406 	(void) devfsadm_mklink("mouse", node, minor, 0);
407 	return (DEVFSADM_CONTINUE);
408 }
409 
410 static int
411 power_button(di_minor_t minor, di_node_t node)
412 {
413 	(void) devfsadm_mklink("power_button", node, minor, 0);
414 	return (DEVFSADM_CONTINUE);
415 }
416 
417 static int
418 fc_port(di_minor_t minor, di_node_t node)
419 {
420 	devfsadm_enumerate_t rules[1] = {"fc/fp([0-9]+)$", 1, MATCH_ALL};
421 	char *buf, path[PATH_MAX + 1];
422 	char *ptr;
423 
424 	if (NULL == (ptr = di_devfs_path(node))) {
425 		return (DEVFSADM_CONTINUE);
426 	}
427 
428 	(void) strcpy(path, ptr);
429 	(void) strcat(path, ":");
430 	(void) strcat(path, di_minor_name(minor));
431 
432 	di_devfs_path_free(ptr);
433 
434 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
435 		return (DEVFSADM_CONTINUE);
436 	}
437 
438 	(void) strcpy(path, "fc/fp");
439 	(void) strcat(path, buf);
440 	free(buf);
441 
442 	(void) devfsadm_mklink(path, node, minor, 0);
443 	return (DEVFSADM_CONTINUE);
444 }
445 
446 /*
447  * Handles:
448  *	minor node type "ddi_printer".
449  * 	rules of the form: type=ddi_printer;name=bpp  \M0
450  */
451 static int
452 printer_create(di_minor_t minor, di_node_t node)
453 {
454 	char *mn;
455 	char path[PATH_MAX + 1], *buf;
456 	devfsadm_enumerate_t rules[1] = {"^printers$/^([0-9]+)$", 1, MATCH_ALL};
457 
458 	mn = di_minor_name(minor);
459 
460 	if (strcmp(di_driver_name(node), "bpp") == 0) {
461 		(void) devfsadm_mklink(mn, node, minor, 0);
462 	}
463 
464 	if (NULL == (buf = di_devfs_path(node))) {
465 		return (DEVFSADM_CONTINUE);
466 	}
467 
468 	(void) snprintf(path, sizeof (path), "%s:%s", buf, mn);
469 	di_devfs_path_free(buf);
470 
471 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
472 		return (DEVFSADM_CONTINUE);
473 	}
474 
475 	(void) snprintf(path, sizeof (path), "printers/%s", buf);
476 	free(buf);
477 
478 	(void) devfsadm_mklink(path, node, minor, 0);
479 
480 	return (DEVFSADM_CONTINUE);
481 }
482 
483 /*
484  * Handles links of the form:
485  * type=ddi_pseudo;name=se;minor2=hdlc	se_hdlc\N0
486  * type=ddi_pseudo;name=serial;minor2=hdlc	se_hdlc\N0
487  */
488 static int
489 se_hdlc_create(di_minor_t minor, di_node_t node)
490 {
491 	devfsadm_enumerate_t rules[1] = {"^se_hdlc([0-9]+)$", 1, MATCH_ALL};
492 	char *buf, path[PATH_MAX + 1];
493 	char *ptr;
494 	char *mn;
495 
496 	mn = di_minor_name(minor);
497 
498 	/* minor node should be of the form: "?,hdlc" */
499 	if (strcmp(mn + 1, ",hdlc") != 0) {
500 		return (DEVFSADM_CONTINUE);
501 	}
502 
503 	if (NULL == (ptr = di_devfs_path(node))) {
504 		return (DEVFSADM_CONTINUE);
505 	}
506 
507 	(void) strcpy(path, ptr);
508 	(void) strcat(path, ":");
509 	(void) strcat(path, mn);
510 
511 	di_devfs_path_free(ptr);
512 
513 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
514 		return (DEVFSADM_CONTINUE);
515 	}
516 
517 	(void) strcpy(path, "se_hdlc");
518 	(void) strcat(path, buf);
519 	free(buf);
520 
521 	(void) devfsadm_mklink(path, node, minor, 0);
522 
523 	return (DEVFSADM_CONTINUE);
524 }
525 
526 static int
527 gpio(di_minor_t minor, di_node_t node)
528 {
529 	char l_path[PATH_MAX], p_path[PATH_MAX], *buf, *devfspath;
530 	char *minor_nm, *drvr_nm;
531 
532 
533 	minor_nm = di_minor_name(minor);
534 	drvr_nm = di_driver_name(node);
535 	if ((minor_nm == NULL) || (drvr_nm == NULL)) {
536 		return (DEVFSADM_CONTINUE);
537 	}
538 
539 	devfspath = di_devfs_path(node);
540 
541 	(void) strcpy(p_path, devfspath);
542 	(void) strcat(p_path, ":");
543 	(void) strcat(p_path, minor_nm);
544 	di_devfs_path_free(devfspath);
545 
546 	/* build the physical path from the components */
547 	if (devfsadm_enumerate_int(p_path, 0, &buf, gpio_rules, 1)) {
548 		return (DEVFSADM_CONTINUE);
549 	}
550 
551 	(void) snprintf(l_path, sizeof (l_path), "%s%s", "gpio", buf);
552 
553 	free(buf);
554 
555 	(void) devfsadm_mklink(l_path, node, minor, 0);
556 
557 	return (DEVFSADM_CONTINUE);
558 }
559 
560 /*
561  * Creates /dev/ppm nodes for Platform Specific PM module
562  */
563 static int
564 ppm(di_minor_t minor, di_node_t node)
565 {
566 	(void) devfsadm_mklink("ppm", node, minor, 0);
567 	return (DEVFSADM_CONTINUE);
568 }
569 
570 /*
571  * Handles:
572  *	/dev/av/[0-9]+/(async|isoch)
573  */
574 static int
575 av_create(di_minor_t minor, di_node_t node)
576 {
577 	devfsadm_enumerate_t rules[1] = {"^av$/^([0-9]+)$", 1, MATCH_ADDR};
578 	char	*minor_str;
579 	char	path[PATH_MAX + 1];
580 	char	*buf;
581 
582 	if ((buf = di_devfs_path(node)) == NULL) {
583 		return (DEVFSADM_CONTINUE);
584 	}
585 
586 	minor_str = di_minor_name(minor);
587 	(void) snprintf(path, sizeof (path), "%s:%s", buf, minor_str);
588 	di_devfs_path_free(buf);
589 
590 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
591 		return (DEVFSADM_CONTINUE);
592 	}
593 
594 	(void) snprintf(path, sizeof (path), "av/%s/%s", buf, minor_str);
595 	free(buf);
596 
597 	(void) devfsadm_mklink(path, node, minor, 0);
598 
599 	return (DEVFSADM_CONTINUE);
600 }
601 
602 /*
603  * Creates /dev/lom and /dev/tsalarm:ctl for tsalarm node
604  */
605 static int
606 tsalarm_create(di_minor_t minor, di_node_t node)
607 {
608 	char buf[PATH_MAX + 1];
609 	char *mn = di_minor_name(minor);
610 
611 	(void) snprintf(buf, sizeof (buf), "%s%s", di_node_name(node), ":ctl");
612 
613 	(void) devfsadm_mklink(mn, node, minor, 0);
614 	(void) devfsadm_mklink(buf, node, minor, 0);
615 
616 	return (DEVFSADM_CONTINUE);
617 }
618 
619 /*
620  * Creates /dev/ntwdt for ntwdt node
621  */
622 static int
623 ntwdt_create(di_minor_t minor, di_node_t node)
624 {
625 	(void) devfsadm_mklink("ntwdt", node, minor, 0);
626 	return (DEVFSADM_CONTINUE);
627 }
628 
629 static int
630 zcons_create(di_minor_t minor, di_node_t node)
631 {
632 	char	*minor_str;
633 	char	*zonename;
634 	char	path[MAXPATHLEN];
635 
636 	minor_str = di_minor_name(minor);
637 
638 	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zonename",
639 	    &zonename) == -1) {
640 		return (DEVFSADM_CONTINUE);
641 	}
642 
643 	(void) snprintf(path, sizeof (path), "zcons/%s/%s", zonename,
644 	    minor_str);
645 	(void) devfsadm_mklink(path, node, minor, 0);
646 
647 	return (DEVFSADM_CONTINUE);
648 }
649 
650 /*
651  *	/dev/cpu/self/cpuid 	->	/devices/pseudo/cpuid@0:self
652  */
653 static int
654 cpuid(di_minor_t minor, di_node_t node)
655 {
656 	(void) devfsadm_mklink(CPUID_SELF_NAME, node, minor, 0);
657 	return (DEVFSADM_CONTINUE);
658 }
659 
660 /*
661  * For device
662  *      /dev/spfma -> /devices/virtual-devices/fma@5:glvc
663  */
664 static int
665 glvc(di_minor_t minor, di_node_t node)
666 {
667 	char node_name[MAXNAMELEN + 1];
668 
669 	(void) strcpy(node_name, di_node_name(node));
670 
671 	if (strncmp(node_name, "fma", 3) == 0) {
672 		/* Only one fma channel */
673 		(void) devfsadm_mklink("spfma", node, minor, 0);
674 	}
675 	return (DEVFSADM_CONTINUE);
676 }
677 
678 /*
679  * Handles links of the form:
680  * type=ddi_pseudo;name=sckmdrv		kmdrv\M0
681  * type=ddi_pseudo;name=oplkmdrv	kmdrv\M0
682  */
683 static int
684 kmdrv_create(di_minor_t minor, di_node_t node)
685 {
686 
687 	(void) devfsadm_mklink("kmdrv", node, minor, 0);
688 	return (DEVFSADM_CONTINUE);
689 }
690