xref: /illumos-gate/usr/src/cmd/devfsadm/misc_link.c (revision 4eaa471005973e11a6110b69fe990530b3b95a38) 
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 2009 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$)|(^mdesc$)|(^eeprom$)|"
97 	    "(^ptsl$)|(^mm$)|(^wc$)|(^dump$)|(^cn$)|(^svvslo$)|(^ptm$)|"
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$)|(^sdp$)|(^ipnet$)|(^dlpistub$)",
108 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
109 	},
110 	{ "pseudo", "ddi_pseudo",
111 	    "(^ipf$)|(^ipnat$)|(^ipstate$)|(^ipauth$)|"
112 	    "(^ipsync$)|(^ipscan$)|(^iplookup$)",
113 	    TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
114 	},
115 	{ "pseudo", "ddi_pseudo", "dld",
116 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
117 	},
118 	{ "pseudo", "ddi_pseudo",
119 	    "(^kdmouse$)|(^rootprop$)",
120 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
121 	},
122 	{ "pseudo", "ddi_pseudo", "tod",
123 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
124 	},
125 	{ "pseudo", "ddi_pseudo", "envctrl(two)?",
126 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
127 	},
128 	{ "pseudo", "ddi_pseudo", "fcode",
129 	    TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
130 	},
131 	{ "power_button", "ddi_power_button", NULL,
132 	    TYPE_EXACT, ILEVEL_0, power_button,
133 	},
134 	{ "FC port", "ddi_ctl:devctl", "fp",
135 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, fc_port
136 	},
137 	{ "printer", "ddi_printer", NULL,
138 	    TYPE_EXACT, ILEVEL_0, printer_create
139 	},
140 	{ "pseudo", "ddi_pseudo", "se",
141 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, se_hdlc_create
142 	},
143 	{ "ppm",  "ddi_ppm", NULL,
144 	    TYPE_EXACT, ILEVEL_0, ppm
145 	},
146 	{ "pseudo", "ddi_pseudo", "gpio_87317",
147 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, gpio
148 	},
149 	{ "pseudo", "ddi_pseudo", "sckmdrv",
150 	    TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
151 	},
152 	{ "pseudo", "ddi_pseudo", "oplkmdrv",
153 	    TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
154 	},
155 	{ "av", "^ddi_av:(isoch|async)$", 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 	{ "pseudo", "ddi_pseudo", "fm",
186 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
187 	},
188 	{ "pseudo", "ddi_pseudo", "tpm",
189 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
190 	},
191 };
192 
193 DEVFSADM_CREATE_INIT_V0(misc_cbt);
194 
195 static devfsadm_remove_t misc_remove_cbt[] = {
196 	{ "pseudo", "^profile$",
197 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
198 	},
199 	{ "pseudo", "^rsm$",
200 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
201 	},
202 	{ "printer", "^printers/[0-9]+$",
203 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
204 	},
205 	{ "av", "^av/[0-9]+/(async|isoch)$",
206 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
207 	},
208 	{ "pseudo", "^daplt$",
209 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
210 	},
211 	{ "pseudo", "^zcons/" ZONENAME_REGEXP "/(" ZCONS_MASTER_NAME "|"
212 		ZCONS_SLAVE_NAME ")$",
213 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
214 	},
215 	{ "pseudo", "^" CPUID_SELF_NAME "$", RM_ALWAYS | RM_PRE | RM_HOT,
216 	    ILEVEL_0, devfsadm_rm_all
217 	},
218 	{ "enclosure", "^es/ses[0-9]+$", RM_POST,
219 		ILEVEL_0, devfsadm_rm_all
220 	},
221 	{ "pseudo", "^pfil$",
222 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
223 	},
224 	{ "pseudo", "^tpm$",
225 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
226 	},
227 };
228 
229 /* Rules for gpio devices */
230 static devfsadm_enumerate_t gpio_rules[1] =
231 	{"^gpio([0-9]+)$", 1, MATCH_ALL};
232 
233 DEVFSADM_REMOVE_INIT_V0(misc_remove_cbt);
234 
235 /*
236  * Handles minor node type "ddi_display".
237  *
238  * type=ddi_display fbs/\M0 fb\N0
239  */
240 static int
241 display(di_minor_t minor, di_node_t node)
242 {
243 	char l_path[PATH_MAX + 1], contents[PATH_MAX + 1], *buf;
244 	devfsadm_enumerate_t rules[1] = {"^fb([0-9]+)$", 1, MATCH_ALL};
245 	char *mn = di_minor_name(minor);
246 
247 	/* create fbs/\M0 primary link */
248 	(void) strcpy(l_path, "fbs/");
249 	(void) strcat(l_path, mn);
250 	(void) devfsadm_mklink(l_path, node, minor, 0);
251 
252 	/* create fb\N0 which links to fbs/\M0 */
253 	if (devfsadm_enumerate_int(l_path, 0, &buf, rules, 1)) {
254 		return (DEVFSADM_CONTINUE);
255 	}
256 	(void) strcpy(contents, l_path);
257 	(void) strcpy(l_path, "fb");
258 	(void) strcat(l_path, buf);
259 	free(buf);
260 	(void) devfsadm_secondary_link(l_path, contents, 0);
261 	return (DEVFSADM_CONTINUE);
262 }
263 
264 /*
265  * Handles minor node type "ddi_parallel".
266  * type=ddi_parallel;name=mcpp     mcpp\N0
267  */
268 static int
269 parallel(di_minor_t minor, di_node_t node)
270 {
271 	char path[PATH_MAX + 1], *buf;
272 	devfsadm_enumerate_t rules[1] = {"mcpp([0-9]+)$", 1, MATCH_ALL};
273 
274 
275 	if (strcmp(di_node_name(node), "mcpp") != 0) {
276 		return (DEVFSADM_CONTINUE);
277 	}
278 
279 	if (NULL == (buf = di_devfs_path(node))) {
280 		return (DEVFSADM_CONTINUE);
281 	}
282 
283 	(void) snprintf(path, sizeof (path), "%s:%s",
284 	    buf, di_minor_name(minor));
285 
286 	di_devfs_path_free(buf);
287 
288 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
289 		return (DEVFSADM_CONTINUE);
290 	}
291 	(void) snprintf(path, sizeof (path), "mcpp%s", buf);
292 	free(buf);
293 
294 	(void) devfsadm_mklink(path, node, minor, 0);
295 	return (DEVFSADM_CONTINUE);
296 }
297 
298 static int
299 ses_callback(di_minor_t minor, di_node_t node)
300 {
301 	char l_path[PATH_MAX];
302 	char *buf;
303 	char *devfspath;
304 	char p_path[PATH_MAX];
305 	devfsadm_enumerate_t re[] = {"^es$/^ses([0-9]+)$", 1, MATCH_ALL};
306 
307 	/* find devices path -- need to free mem */
308 	if (NULL == (devfspath = di_devfs_path(node))) {
309 		return (DEVFSADM_CONTINUE);
310 	}
311 
312 	(void) snprintf(p_path, sizeof (p_path), "%s:%s", devfspath,
313 	    di_minor_name(minor));
314 
315 
316 	/* find next number to use; buf is an ascii number */
317 	if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) {
318 		/* free memory */
319 		di_devfs_path_free(devfspath);
320 		return (DEVFSADM_CONTINUE);
321 	}
322 
323 	(void) snprintf(l_path, sizeof (l_path), "es/ses%s", buf);
324 
325 	(void) devfsadm_mklink(l_path, node, minor, 0);
326 	/* free memory */
327 	free(buf);
328 	di_devfs_path_free(devfspath);
329 	return (DEVFSADM_CONTINUE);
330 
331 }
332 
333 static int
334 node_slash_minor(di_minor_t minor, di_node_t node)
335 {
336 
337 	char path[PATH_MAX + 1];
338 
339 	(void) strcpy(path, di_node_name(node));
340 	(void) strcat(path, "/");
341 	(void) strcat(path, di_minor_name(minor));
342 	(void) devfsadm_mklink(path, node, minor, 0);
343 	return (DEVFSADM_CONTINUE);
344 }
345 
346 static int
347 driver_minor(di_minor_t minor, di_node_t node)
348 {
349 	char path[PATH_MAX + 1];
350 
351 	(void) strcpy(path, di_driver_name(node));
352 	(void) strcat(path, di_minor_name(minor));
353 	(void) devfsadm_mklink(path, node, minor, 0);
354 	return (DEVFSADM_CONTINUE);
355 }
356 
357 /*
358  * Handles links of the form:
359  * type=ddi_pseudo;name=xyz  \D
360  */
361 static int
362 node_name(di_minor_t minor, di_node_t node)
363 {
364 	(void) devfsadm_mklink(di_node_name(node), node, minor, 0);
365 	return (DEVFSADM_CONTINUE);
366 }
367 
368 /*
369  * Handles links of the form:
370  * type=ddi_pseudo;name=xyz  \M0
371  */
372 static int
373 minor_name(di_minor_t minor, di_node_t node)
374 {
375 	char *mn = di_minor_name(minor);
376 
377 	(void) devfsadm_mklink(mn, node, minor, 0);
378 	if (strcmp(mn, "icmp") == 0) {
379 		(void) devfsadm_mklink("rawip", node, minor, 0);
380 	}
381 	if (strcmp(mn, "icmp6") == 0) {
382 		(void) devfsadm_mklink("rawip6", node, minor, 0);
383 	}
384 	if (strcmp(mn, "ipf") == 0) {
385 		(void) devfsadm_mklink("ipl", node, minor, 0);
386 	}
387 	return (DEVFSADM_CONTINUE);
388 }
389 
390 /*
391  * create links at /dev/wifi for wifi minor node
392  */
393 static int
394 wifi_minor_name(di_minor_t minor, di_node_t node)
395 {
396 	char buf[256];
397 	char *mn = di_minor_name(minor);
398 
399 	(void) snprintf(buf, sizeof (buf), "%s%s", "wifi/", mn);
400 	(void) devfsadm_mklink(buf, node, minor, 0);
401 
402 	return (DEVFSADM_CONTINUE);
403 }
404 
405 static int
406 conskbd(di_minor_t minor, di_node_t node)
407 {
408 	(void) devfsadm_mklink("kbd", node, minor, 0);
409 	return (DEVFSADM_CONTINUE);
410 }
411 
412 static int
413 consms(di_minor_t minor, di_node_t node)
414 {
415 	(void) devfsadm_mklink("mouse", node, minor, 0);
416 	return (DEVFSADM_CONTINUE);
417 }
418 
419 static int
420 power_button(di_minor_t minor, di_node_t node)
421 {
422 	(void) devfsadm_mklink("power_button", node, minor, 0);
423 	return (DEVFSADM_CONTINUE);
424 }
425 
426 static int
427 fc_port(di_minor_t minor, di_node_t node)
428 {
429 	devfsadm_enumerate_t rules[1] = {"fc/fp([0-9]+)$", 1, MATCH_ALL};
430 	char *buf, path[PATH_MAX + 1];
431 	char *ptr;
432 
433 	if (NULL == (ptr = di_devfs_path(node))) {
434 		return (DEVFSADM_CONTINUE);
435 	}
436 
437 	(void) strcpy(path, ptr);
438 	(void) strcat(path, ":");
439 	(void) strcat(path, di_minor_name(minor));
440 
441 	di_devfs_path_free(ptr);
442 
443 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
444 		return (DEVFSADM_CONTINUE);
445 	}
446 
447 	(void) strcpy(path, "fc/fp");
448 	(void) strcat(path, buf);
449 	free(buf);
450 
451 	(void) devfsadm_mklink(path, node, minor, 0);
452 	return (DEVFSADM_CONTINUE);
453 }
454 
455 /*
456  * Handles:
457  *	minor node type "ddi_printer".
458  * 	rules of the form: type=ddi_printer;name=bpp  \M0
459  */
460 static int
461 printer_create(di_minor_t minor, di_node_t node)
462 {
463 	char *mn;
464 	char path[PATH_MAX + 1], *buf;
465 	devfsadm_enumerate_t rules[1] = {"^printers$/^([0-9]+)$", 1, MATCH_ALL};
466 
467 	mn = di_minor_name(minor);
468 
469 	if (strcmp(di_driver_name(node), "bpp") == 0) {
470 		(void) devfsadm_mklink(mn, node, minor, 0);
471 	}
472 
473 	if (NULL == (buf = di_devfs_path(node))) {
474 		return (DEVFSADM_CONTINUE);
475 	}
476 
477 	(void) snprintf(path, sizeof (path), "%s:%s", buf, mn);
478 	di_devfs_path_free(buf);
479 
480 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
481 		return (DEVFSADM_CONTINUE);
482 	}
483 
484 	(void) snprintf(path, sizeof (path), "printers/%s", buf);
485 	free(buf);
486 
487 	(void) devfsadm_mklink(path, node, minor, 0);
488 
489 	return (DEVFSADM_CONTINUE);
490 }
491 
492 /*
493  * Handles links of the form:
494  * type=ddi_pseudo;name=se;minor2=hdlc	se_hdlc\N0
495  * type=ddi_pseudo;name=serial;minor2=hdlc	se_hdlc\N0
496  */
497 static int
498 se_hdlc_create(di_minor_t minor, di_node_t node)
499 {
500 	devfsadm_enumerate_t rules[1] = {"^se_hdlc([0-9]+)$", 1, MATCH_ALL};
501 	char *buf, path[PATH_MAX + 1];
502 	char *ptr;
503 	char *mn;
504 
505 	mn = di_minor_name(minor);
506 
507 	/* minor node should be of the form: "?,hdlc" */
508 	if (strcmp(mn + 1, ",hdlc") != 0) {
509 		return (DEVFSADM_CONTINUE);
510 	}
511 
512 	if (NULL == (ptr = di_devfs_path(node))) {
513 		return (DEVFSADM_CONTINUE);
514 	}
515 
516 	(void) strcpy(path, ptr);
517 	(void) strcat(path, ":");
518 	(void) strcat(path, mn);
519 
520 	di_devfs_path_free(ptr);
521 
522 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
523 		return (DEVFSADM_CONTINUE);
524 	}
525 
526 	(void) strcpy(path, "se_hdlc");
527 	(void) strcat(path, buf);
528 	free(buf);
529 
530 	(void) devfsadm_mklink(path, node, minor, 0);
531 
532 	return (DEVFSADM_CONTINUE);
533 }
534 
535 static int
536 gpio(di_minor_t minor, di_node_t node)
537 {
538 	char l_path[PATH_MAX], p_path[PATH_MAX], *buf, *devfspath;
539 	char *minor_nm, *drvr_nm;
540 
541 
542 	minor_nm = di_minor_name(minor);
543 	drvr_nm = di_driver_name(node);
544 	if ((minor_nm == NULL) || (drvr_nm == NULL)) {
545 		return (DEVFSADM_CONTINUE);
546 	}
547 
548 	devfspath = di_devfs_path(node);
549 
550 	(void) strcpy(p_path, devfspath);
551 	(void) strcat(p_path, ":");
552 	(void) strcat(p_path, minor_nm);
553 	di_devfs_path_free(devfspath);
554 
555 	/* build the physical path from the components */
556 	if (devfsadm_enumerate_int(p_path, 0, &buf, gpio_rules, 1)) {
557 		return (DEVFSADM_CONTINUE);
558 	}
559 
560 	(void) snprintf(l_path, sizeof (l_path), "%s%s", "gpio", buf);
561 
562 	free(buf);
563 
564 	(void) devfsadm_mklink(l_path, node, minor, 0);
565 
566 	return (DEVFSADM_CONTINUE);
567 }
568 
569 /*
570  * Creates /dev/ppm nodes for Platform Specific PM module
571  */
572 static int
573 ppm(di_minor_t minor, di_node_t node)
574 {
575 	(void) devfsadm_mklink("ppm", node, minor, 0);
576 	return (DEVFSADM_CONTINUE);
577 }
578 
579 /*
580  * Handles:
581  *	/dev/av/[0-9]+/(async|isoch)
582  */
583 static int
584 av_create(di_minor_t minor, di_node_t node)
585 {
586 	devfsadm_enumerate_t rules[1] = {"^av$/^([0-9]+)$", 1, MATCH_ADDR};
587 	char	*minor_str;
588 	char	path[PATH_MAX + 1];
589 	char	*buf;
590 
591 	if ((buf = di_devfs_path(node)) == NULL) {
592 		return (DEVFSADM_CONTINUE);
593 	}
594 
595 	minor_str = di_minor_name(minor);
596 	(void) snprintf(path, sizeof (path), "%s:%s", buf, minor_str);
597 	di_devfs_path_free(buf);
598 
599 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
600 		return (DEVFSADM_CONTINUE);
601 	}
602 
603 	(void) snprintf(path, sizeof (path), "av/%s/%s", buf, minor_str);
604 	free(buf);
605 
606 	(void) devfsadm_mklink(path, node, minor, 0);
607 
608 	return (DEVFSADM_CONTINUE);
609 }
610 
611 /*
612  * Creates /dev/lom and /dev/tsalarm:ctl for tsalarm node
613  */
614 static int
615 tsalarm_create(di_minor_t minor, di_node_t node)
616 {
617 	char buf[PATH_MAX + 1];
618 	char *mn = di_minor_name(minor);
619 
620 	(void) snprintf(buf, sizeof (buf), "%s%s", di_node_name(node), ":ctl");
621 
622 	(void) devfsadm_mklink(mn, node, minor, 0);
623 	(void) devfsadm_mklink(buf, node, minor, 0);
624 
625 	return (DEVFSADM_CONTINUE);
626 }
627 
628 /*
629  * Creates /dev/ntwdt for ntwdt node
630  */
631 static int
632 ntwdt_create(di_minor_t minor, di_node_t node)
633 {
634 	(void) devfsadm_mklink("ntwdt", node, minor, 0);
635 	return (DEVFSADM_CONTINUE);
636 }
637 
638 static int
639 zcons_create(di_minor_t minor, di_node_t node)
640 {
641 	char	*minor_str;
642 	char	*zonename;
643 	char	path[MAXPATHLEN];
644 
645 	minor_str = di_minor_name(minor);
646 
647 	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zonename",
648 	    &zonename) == -1) {
649 		return (DEVFSADM_CONTINUE);
650 	}
651 
652 	(void) snprintf(path, sizeof (path), "zcons/%s/%s", zonename,
653 	    minor_str);
654 	(void) devfsadm_mklink(path, node, minor, 0);
655 
656 	return (DEVFSADM_CONTINUE);
657 }
658 
659 /*
660  *	/dev/cpu/self/cpuid 	->	/devices/pseudo/cpuid@0:self
661  */
662 static int
663 cpuid(di_minor_t minor, di_node_t node)
664 {
665 	(void) devfsadm_mklink(CPUID_SELF_NAME, node, minor, 0);
666 	return (DEVFSADM_CONTINUE);
667 }
668 
669 /*
670  * For device
671  *      /dev/spfma -> /devices/virtual-devices/fma@5:glvc
672  */
673 static int
674 glvc(di_minor_t minor, di_node_t node)
675 {
676 	char node_name[MAXNAMELEN + 1];
677 
678 	(void) strcpy(node_name, di_node_name(node));
679 
680 	if (strncmp(node_name, "fma", 3) == 0) {
681 		/* Only one fma channel */
682 		(void) devfsadm_mklink("spfma", node, minor, 0);
683 	}
684 	return (DEVFSADM_CONTINUE);
685 }
686 
687 /*
688  * Handles links of the form:
689  * type=ddi_pseudo;name=sckmdrv		kmdrv\M0
690  * type=ddi_pseudo;name=oplkmdrv	kmdrv\M0
691  */
692 static int
693 kmdrv_create(di_minor_t minor, di_node_t node)
694 {
695 
696 	(void) devfsadm_mklink("kmdrv", node, minor, 0);
697 	return (DEVFSADM_CONTINUE);
698 }
699