xref: /titanic_50/usr/src/cmd/devfsadm/misc_link.c (revision 269473047d747f7815af570197e4ef7322d3632c) 
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$)|(^dlpistub$)|(^iptunq)|"
108 	    "(^bpf$)",
109 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
110 	},
111 	{ "pseudo", "ddi_pseudo",
112 	    "(^ipf$)|(^ipnat$)|(^ipstate$)|(^ipauth$)|"
113 	    "(^ipsync$)|(^ipscan$)|(^iplookup$)",
114 	    TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
115 	},
116 	{ "pseudo", "ddi_pseudo", "dld",
117 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
118 	},
119 	{ "pseudo", "ddi_pseudo",
120 	    "(^kdmouse$)|(^rootprop$)",
121 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
122 	},
123 	{ "pseudo", "ddi_pseudo", "tod",
124 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
125 	},
126 	{ "pseudo", "ddi_pseudo", "envctrl(two)?",
127 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
128 	},
129 	{ "pseudo", "ddi_pseudo", "fcode",
130 	    TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
131 	},
132 	{ "power_button", "ddi_power_button", NULL,
133 	    TYPE_EXACT, ILEVEL_0, power_button,
134 	},
135 	{ "FC port", "ddi_ctl:devctl", "fp",
136 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, fc_port
137 	},
138 	{ "printer", "ddi_printer", NULL,
139 	    TYPE_EXACT, ILEVEL_0, printer_create
140 	},
141 	{ "pseudo", "ddi_pseudo", "se",
142 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, se_hdlc_create
143 	},
144 	{ "ppm",  "ddi_ppm", NULL,
145 	    TYPE_EXACT, ILEVEL_0, ppm
146 	},
147 	{ "pseudo", "ddi_pseudo", "gpio_87317",
148 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, gpio
149 	},
150 	{ "pseudo", "ddi_pseudo", "sckmdrv",
151 	    TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
152 	},
153 	{ "pseudo", "ddi_pseudo", "oplkmdrv",
154 	    TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
155 	},
156 	{ "av", "^ddi_av:(isoch|async)$", NULL,
157 	    TYPE_RE, ILEVEL_0, av_create,
158 	},
159 	{ "pseudo", "ddi_pseudo", "tsalarm",
160 	    TYPE_EXACT | DRV_RE, ILEVEL_0, tsalarm_create,
161 	},
162 	{ "pseudo", "ddi_pseudo", "ntwdt",
163 	    TYPE_EXACT | DRV_RE, ILEVEL_0, ntwdt_create,
164 	},
165 	{ "pseudo", "ddi_pseudo", "daplt",
166 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
167 	},
168 	{ "pseudo", "ddi_pseudo", "zcons",
169 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, zcons_create,
170 	},
171 	{ "pseudo", "ddi_pseudo", CPUID_DRIVER_NAME,
172 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, cpuid,
173 	},
174 	{ "pseudo", "ddi_pseudo", "glvc",
175 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, glvc,
176 	},
177 	{ "pseudo", "ddi_pseudo", "dm2s",
178 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name,
179 	},
180 	{ "pseudo", "ddi_pseudo", "nsmb",
181 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
182 	},
183 	{ "pseudo", "ddi_pseudo", "mem_cache",
184 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
185 	},
186 	{ "pseudo", "ddi_pseudo", "fm",
187 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
188 	},
189 	{ "pseudo", "ddi_pseudo", "tpm",
190 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
191 	},
192 };
193 
194 DEVFSADM_CREATE_INIT_V0(misc_cbt);
195 
196 static devfsadm_remove_t misc_remove_cbt[] = {
197 	{ "pseudo", "^profile$",
198 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
199 	},
200 	{ "pseudo", "^rsm$",
201 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
202 	},
203 	{ "printer", "^printers/[0-9]+$",
204 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
205 	},
206 	{ "av", "^av/[0-9]+/(async|isoch)$",
207 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
208 	},
209 	{ "pseudo", "^daplt$",
210 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
211 	},
212 	{ "pseudo", "^zcons/" ZONENAME_REGEXP "/(" ZCONS_MASTER_NAME "|"
213 		ZCONS_SLAVE_NAME ")$",
214 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
215 	},
216 	{ "pseudo", "^" CPUID_SELF_NAME "$", RM_ALWAYS | RM_PRE | RM_HOT,
217 	    ILEVEL_0, devfsadm_rm_all
218 	},
219 	{ "enclosure", "^es/ses[0-9]+$", RM_POST,
220 		ILEVEL_0, devfsadm_rm_all
221 	},
222 	{ "pseudo", "^pfil$",
223 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
224 	},
225 	{ "pseudo", "^tpm$",
226 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
227 	},
228 };
229 
230 /* Rules for gpio devices */
231 static devfsadm_enumerate_t gpio_rules[1] =
232 	{"^gpio([0-9]+)$", 1, MATCH_ALL};
233 
234 DEVFSADM_REMOVE_INIT_V0(misc_remove_cbt);
235 
236 /*
237  * Handles minor node type "ddi_display".
238  *
239  * type=ddi_display fbs/\M0 fb\N0
240  */
241 static int
242 display(di_minor_t minor, di_node_t node)
243 {
244 	char l_path[PATH_MAX + 1], contents[PATH_MAX + 1], *buf;
245 	devfsadm_enumerate_t rules[1] = {"^fb([0-9]+)$", 1, MATCH_ALL};
246 	char *mn = di_minor_name(minor);
247 
248 	/* create fbs/\M0 primary link */
249 	(void) strcpy(l_path, "fbs/");
250 	(void) strcat(l_path, mn);
251 	(void) devfsadm_mklink(l_path, node, minor, 0);
252 
253 	/* create fb\N0 which links to fbs/\M0 */
254 	if (devfsadm_enumerate_int(l_path, 0, &buf, rules, 1)) {
255 		return (DEVFSADM_CONTINUE);
256 	}
257 	(void) strcpy(contents, l_path);
258 	(void) strcpy(l_path, "fb");
259 	(void) strcat(l_path, buf);
260 	free(buf);
261 	(void) devfsadm_secondary_link(l_path, contents, 0);
262 	return (DEVFSADM_CONTINUE);
263 }
264 
265 /*
266  * Handles minor node type "ddi_parallel".
267  * type=ddi_parallel;name=mcpp     mcpp\N0
268  */
269 static int
270 parallel(di_minor_t minor, di_node_t node)
271 {
272 	char path[PATH_MAX + 1], *buf;
273 	devfsadm_enumerate_t rules[1] = {"mcpp([0-9]+)$", 1, MATCH_ALL};
274 
275 
276 	if (strcmp(di_node_name(node), "mcpp") != 0) {
277 		return (DEVFSADM_CONTINUE);
278 	}
279 
280 	if (NULL == (buf = di_devfs_path(node))) {
281 		return (DEVFSADM_CONTINUE);
282 	}
283 
284 	(void) snprintf(path, sizeof (path), "%s:%s",
285 	    buf, di_minor_name(minor));
286 
287 	di_devfs_path_free(buf);
288 
289 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
290 		return (DEVFSADM_CONTINUE);
291 	}
292 	(void) snprintf(path, sizeof (path), "mcpp%s", buf);
293 	free(buf);
294 
295 	(void) devfsadm_mklink(path, node, minor, 0);
296 	return (DEVFSADM_CONTINUE);
297 }
298 
299 static int
300 ses_callback(di_minor_t minor, di_node_t node)
301 {
302 	char l_path[PATH_MAX];
303 	char *buf;
304 	char *devfspath;
305 	char p_path[PATH_MAX];
306 	devfsadm_enumerate_t re[] = {"^es$/^ses([0-9]+)$", 1, MATCH_ALL};
307 
308 	/* find devices path -- need to free mem */
309 	if (NULL == (devfspath = di_devfs_path(node))) {
310 		return (DEVFSADM_CONTINUE);
311 	}
312 
313 	(void) snprintf(p_path, sizeof (p_path), "%s:%s", devfspath,
314 	    di_minor_name(minor));
315 
316 
317 	/* find next number to use; buf is an ascii number */
318 	if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) {
319 		/* free memory */
320 		di_devfs_path_free(devfspath);
321 		return (DEVFSADM_CONTINUE);
322 	}
323 
324 	(void) snprintf(l_path, sizeof (l_path), "es/ses%s", buf);
325 
326 	(void) devfsadm_mklink(l_path, node, minor, 0);
327 	/* free memory */
328 	free(buf);
329 	di_devfs_path_free(devfspath);
330 	return (DEVFSADM_CONTINUE);
331 
332 }
333 
334 static int
335 node_slash_minor(di_minor_t minor, di_node_t node)
336 {
337 
338 	char path[PATH_MAX + 1];
339 
340 	(void) strcpy(path, di_node_name(node));
341 	(void) strcat(path, "/");
342 	(void) strcat(path, di_minor_name(minor));
343 	(void) devfsadm_mklink(path, node, minor, 0);
344 	return (DEVFSADM_CONTINUE);
345 }
346 
347 static int
348 driver_minor(di_minor_t minor, di_node_t node)
349 {
350 	char path[PATH_MAX + 1];
351 
352 	(void) strcpy(path, di_driver_name(node));
353 	(void) strcat(path, di_minor_name(minor));
354 	(void) devfsadm_mklink(path, node, minor, 0);
355 	return (DEVFSADM_CONTINUE);
356 }
357 
358 /*
359  * Handles links of the form:
360  * type=ddi_pseudo;name=xyz  \D
361  */
362 static int
363 node_name(di_minor_t minor, di_node_t node)
364 {
365 	(void) devfsadm_mklink(di_node_name(node), node, minor, 0);
366 	return (DEVFSADM_CONTINUE);
367 }
368 
369 /*
370  * Handles links of the form:
371  * type=ddi_pseudo;name=xyz  \M0
372  */
373 static int
374 minor_name(di_minor_t minor, di_node_t node)
375 {
376 	char *mn = di_minor_name(minor);
377 
378 	(void) devfsadm_mklink(mn, node, minor, 0);
379 	if (strcmp(mn, "icmp") == 0) {
380 		(void) devfsadm_mklink("rawip", node, minor, 0);
381 	}
382 	if (strcmp(mn, "icmp6") == 0) {
383 		(void) devfsadm_mklink("rawip6", node, minor, 0);
384 	}
385 	if (strcmp(mn, "ipf") == 0) {
386 		(void) devfsadm_mklink("ipl", node, minor, 0);
387 	}
388 	return (DEVFSADM_CONTINUE);
389 }
390 
391 /*
392  * create links at /dev/wifi for wifi minor node
393  */
394 static int
395 wifi_minor_name(di_minor_t minor, di_node_t node)
396 {
397 	char buf[256];
398 	char *mn = di_minor_name(minor);
399 
400 	(void) snprintf(buf, sizeof (buf), "%s%s", "wifi/", mn);
401 	(void) devfsadm_mklink(buf, node, minor, 0);
402 
403 	return (DEVFSADM_CONTINUE);
404 }
405 
406 static int
407 conskbd(di_minor_t minor, di_node_t node)
408 {
409 	(void) devfsadm_mklink("kbd", node, minor, 0);
410 	return (DEVFSADM_CONTINUE);
411 }
412 
413 static int
414 consms(di_minor_t minor, di_node_t node)
415 {
416 	(void) devfsadm_mklink("mouse", node, minor, 0);
417 	return (DEVFSADM_CONTINUE);
418 }
419 
420 static int
421 power_button(di_minor_t minor, di_node_t node)
422 {
423 	(void) devfsadm_mklink("power_button", node, minor, 0);
424 	return (DEVFSADM_CONTINUE);
425 }
426 
427 static int
428 fc_port(di_minor_t minor, di_node_t node)
429 {
430 	devfsadm_enumerate_t rules[1] = {"fc/fp([0-9]+)$", 1, MATCH_ALL};
431 	char *buf, path[PATH_MAX + 1];
432 	char *ptr;
433 
434 	if (NULL == (ptr = di_devfs_path(node))) {
435 		return (DEVFSADM_CONTINUE);
436 	}
437 
438 	(void) strcpy(path, ptr);
439 	(void) strcat(path, ":");
440 	(void) strcat(path, di_minor_name(minor));
441 
442 	di_devfs_path_free(ptr);
443 
444 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
445 		return (DEVFSADM_CONTINUE);
446 	}
447 
448 	(void) strcpy(path, "fc/fp");
449 	(void) strcat(path, buf);
450 	free(buf);
451 
452 	(void) devfsadm_mklink(path, node, minor, 0);
453 	return (DEVFSADM_CONTINUE);
454 }
455 
456 /*
457  * Handles:
458  *	minor node type "ddi_printer".
459  * 	rules of the form: type=ddi_printer;name=bpp  \M0
460  */
461 static int
462 printer_create(di_minor_t minor, di_node_t node)
463 {
464 	char *mn;
465 	char path[PATH_MAX + 1], *buf;
466 	devfsadm_enumerate_t rules[1] = {"^printers$/^([0-9]+)$", 1, MATCH_ALL};
467 
468 	mn = di_minor_name(minor);
469 
470 	if (strcmp(di_driver_name(node), "bpp") == 0) {
471 		(void) devfsadm_mklink(mn, node, minor, 0);
472 	}
473 
474 	if (NULL == (buf = di_devfs_path(node))) {
475 		return (DEVFSADM_CONTINUE);
476 	}
477 
478 	(void) snprintf(path, sizeof (path), "%s:%s", buf, mn);
479 	di_devfs_path_free(buf);
480 
481 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
482 		return (DEVFSADM_CONTINUE);
483 	}
484 
485 	(void) snprintf(path, sizeof (path), "printers/%s", buf);
486 	free(buf);
487 
488 	(void) devfsadm_mklink(path, node, minor, 0);
489 
490 	return (DEVFSADM_CONTINUE);
491 }
492 
493 /*
494  * Handles links of the form:
495  * type=ddi_pseudo;name=se;minor2=hdlc	se_hdlc\N0
496  * type=ddi_pseudo;name=serial;minor2=hdlc	se_hdlc\N0
497  */
498 static int
499 se_hdlc_create(di_minor_t minor, di_node_t node)
500 {
501 	devfsadm_enumerate_t rules[1] = {"^se_hdlc([0-9]+)$", 1, MATCH_ALL};
502 	char *buf, path[PATH_MAX + 1];
503 	char *ptr;
504 	char *mn;
505 
506 	mn = di_minor_name(minor);
507 
508 	/* minor node should be of the form: "?,hdlc" */
509 	if (strcmp(mn + 1, ",hdlc") != 0) {
510 		return (DEVFSADM_CONTINUE);
511 	}
512 
513 	if (NULL == (ptr = di_devfs_path(node))) {
514 		return (DEVFSADM_CONTINUE);
515 	}
516 
517 	(void) strcpy(path, ptr);
518 	(void) strcat(path, ":");
519 	(void) strcat(path, mn);
520 
521 	di_devfs_path_free(ptr);
522 
523 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
524 		return (DEVFSADM_CONTINUE);
525 	}
526 
527 	(void) strcpy(path, "se_hdlc");
528 	(void) strcat(path, buf);
529 	free(buf);
530 
531 	(void) devfsadm_mklink(path, node, minor, 0);
532 
533 	return (DEVFSADM_CONTINUE);
534 }
535 
536 static int
537 gpio(di_minor_t minor, di_node_t node)
538 {
539 	char l_path[PATH_MAX], p_path[PATH_MAX], *buf, *devfspath;
540 	char *minor_nm, *drvr_nm;
541 
542 
543 	minor_nm = di_minor_name(minor);
544 	drvr_nm = di_driver_name(node);
545 	if ((minor_nm == NULL) || (drvr_nm == NULL)) {
546 		return (DEVFSADM_CONTINUE);
547 	}
548 
549 	devfspath = di_devfs_path(node);
550 
551 	(void) strcpy(p_path, devfspath);
552 	(void) strcat(p_path, ":");
553 	(void) strcat(p_path, minor_nm);
554 	di_devfs_path_free(devfspath);
555 
556 	/* build the physical path from the components */
557 	if (devfsadm_enumerate_int(p_path, 0, &buf, gpio_rules, 1)) {
558 		return (DEVFSADM_CONTINUE);
559 	}
560 
561 	(void) snprintf(l_path, sizeof (l_path), "%s%s", "gpio", buf);
562 
563 	free(buf);
564 
565 	(void) devfsadm_mklink(l_path, node, minor, 0);
566 
567 	return (DEVFSADM_CONTINUE);
568 }
569 
570 /*
571  * Creates /dev/ppm nodes for Platform Specific PM module
572  */
573 static int
574 ppm(di_minor_t minor, di_node_t node)
575 {
576 	(void) devfsadm_mklink("ppm", node, minor, 0);
577 	return (DEVFSADM_CONTINUE);
578 }
579 
580 /*
581  * Handles:
582  *	/dev/av/[0-9]+/(async|isoch)
583  */
584 static int
585 av_create(di_minor_t minor, di_node_t node)
586 {
587 	devfsadm_enumerate_t rules[1] = {"^av$/^([0-9]+)$", 1, MATCH_ADDR};
588 	char	*minor_str;
589 	char	path[PATH_MAX + 1];
590 	char	*buf;
591 
592 	if ((buf = di_devfs_path(node)) == NULL) {
593 		return (DEVFSADM_CONTINUE);
594 	}
595 
596 	minor_str = di_minor_name(minor);
597 	(void) snprintf(path, sizeof (path), "%s:%s", buf, minor_str);
598 	di_devfs_path_free(buf);
599 
600 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
601 		return (DEVFSADM_CONTINUE);
602 	}
603 
604 	(void) snprintf(path, sizeof (path), "av/%s/%s", buf, minor_str);
605 	free(buf);
606 
607 	(void) devfsadm_mklink(path, node, minor, 0);
608 
609 	return (DEVFSADM_CONTINUE);
610 }
611 
612 /*
613  * Creates /dev/lom and /dev/tsalarm:ctl for tsalarm node
614  */
615 static int
616 tsalarm_create(di_minor_t minor, di_node_t node)
617 {
618 	char buf[PATH_MAX + 1];
619 	char *mn = di_minor_name(minor);
620 
621 	(void) snprintf(buf, sizeof (buf), "%s%s", di_node_name(node), ":ctl");
622 
623 	(void) devfsadm_mklink(mn, node, minor, 0);
624 	(void) devfsadm_mklink(buf, node, minor, 0);
625 
626 	return (DEVFSADM_CONTINUE);
627 }
628 
629 /*
630  * Creates /dev/ntwdt for ntwdt node
631  */
632 static int
633 ntwdt_create(di_minor_t minor, di_node_t node)
634 {
635 	(void) devfsadm_mklink("ntwdt", node, minor, 0);
636 	return (DEVFSADM_CONTINUE);
637 }
638 
639 static int
640 zcons_create(di_minor_t minor, di_node_t node)
641 {
642 	char	*minor_str;
643 	char	*zonename;
644 	char	path[MAXPATHLEN];
645 
646 	minor_str = di_minor_name(minor);
647 
648 	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zonename",
649 	    &zonename) == -1) {
650 		return (DEVFSADM_CONTINUE);
651 	}
652 
653 	(void) snprintf(path, sizeof (path), "zcons/%s/%s", zonename,
654 	    minor_str);
655 	(void) devfsadm_mklink(path, node, minor, 0);
656 
657 	return (DEVFSADM_CONTINUE);
658 }
659 
660 /*
661  *	/dev/cpu/self/cpuid 	->	/devices/pseudo/cpuid@0:self
662  */
663 static int
664 cpuid(di_minor_t minor, di_node_t node)
665 {
666 	(void) devfsadm_mklink(CPUID_SELF_NAME, node, minor, 0);
667 	return (DEVFSADM_CONTINUE);
668 }
669 
670 /*
671  * For device
672  *      /dev/spfma -> /devices/virtual-devices/fma@5:glvc
673  */
674 static int
675 glvc(di_minor_t minor, di_node_t node)
676 {
677 	char node_name[MAXNAMELEN + 1];
678 
679 	(void) strcpy(node_name, di_node_name(node));
680 
681 	if (strncmp(node_name, "fma", 3) == 0) {
682 		/* Only one fma channel */
683 		(void) devfsadm_mklink("spfma", node, minor, 0);
684 	}
685 	return (DEVFSADM_CONTINUE);
686 }
687 
688 /*
689  * Handles links of the form:
690  * type=ddi_pseudo;name=sckmdrv		kmdrv\M0
691  * type=ddi_pseudo;name=oplkmdrv	kmdrv\M0
692  */
693 static int
694 kmdrv_create(di_minor_t minor, di_node_t node)
695 {
696 
697 	(void) devfsadm_mklink("kmdrv", node, minor, 0);
698 	return (DEVFSADM_CONTINUE);
699 }
700