xref: /titanic_52/usr/src/cmd/devfsadm/misc_link.c (revision d75d0dc9a76c4d28c5b421415de169350a8e844d) 
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 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <regex.h>
29 #include <devfsadm.h>
30 #include <stdio.h>
31 #include <strings.h>
32 #include <stdlib.h>
33 #include <limits.h>
34 #include <sys/zone.h>
35 #include <sys/zcons.h>
36 #include <sys/cpuid_drv.h>
37 
38 static int display(di_minor_t minor, di_node_t node);
39 static int parallel(di_minor_t minor, di_node_t node);
40 static int node_slash_minor(di_minor_t minor, di_node_t node);
41 static int driver_minor(di_minor_t minor, di_node_t node);
42 static int node_name(di_minor_t minor, di_node_t node);
43 static int minor_name(di_minor_t minor, di_node_t node);
44 static int wifi_minor_name(di_minor_t minor, di_node_t node);
45 static int conskbd(di_minor_t minor, di_node_t node);
46 static int consms(di_minor_t minor, di_node_t node);
47 static int power_button(di_minor_t minor, di_node_t node);
48 static int fc_port(di_minor_t minor, di_node_t node);
49 static int printer_create(di_minor_t minor, di_node_t node);
50 static int se_hdlc_create(di_minor_t minor, di_node_t node);
51 static int ppm(di_minor_t minor, di_node_t node);
52 static int gpio(di_minor_t minor, di_node_t node);
53 static int av_create(di_minor_t minor, di_node_t node);
54 static int tsalarm_create(di_minor_t minor, di_node_t node);
55 static int ntwdt_create(di_minor_t minor, di_node_t node);
56 static int zcons_create(di_minor_t minor, di_node_t node);
57 static int cpuid(di_minor_t minor, di_node_t node);
58 static int glvc(di_minor_t minor, di_node_t node);
59 static int ses_callback(di_minor_t minor, di_node_t node);
60 static int kmdrv_create(di_minor_t minor, di_node_t node);
61 
62 static devfsadm_create_t misc_cbt[] = {
63 	{ "pseudo", "ddi_pseudo", "(^sad$)",
64 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_slash_minor
65 	},
66 	{ "pseudo", "ddi_pseudo", "zsh",
67 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, driver_minor
68 	},
69 	{ "network", "ddi_network", NULL,
70 	    TYPE_EXACT, ILEVEL_0, minor_name
71 	},
72 	{ "wifi", "ddi_network:wifi", NULL,
73 	    TYPE_EXACT, ILEVEL_0, wifi_minor_name
74 	},
75 	{ "display", "ddi_display", NULL,
76 	    TYPE_EXACT, ILEVEL_0, display
77 	},
78 	{ "parallel", "ddi_parallel", NULL,
79 	    TYPE_EXACT, ILEVEL_0, parallel
80 	},
81 	{ "enclosure", DDI_NT_SCSI_ENCLOSURE, NULL,
82 	    TYPE_EXACT, ILEVEL_0, ses_callback
83 	},
84 	{ "pseudo", "ddi_pseudo", "(^winlock$)|(^pm$)",
85 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
86 	},
87 	{ "pseudo", "ddi_pseudo", "conskbd",
88 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, conskbd
89 	},
90 	{ "pseudo", "ddi_pseudo", "consms",
91 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, consms
92 	},
93 	{ "pseudo", "ddi_pseudo", "rsm",
94 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
95 	},
96 	{ "pseudo", "ddi_pseudo",
97 	    "(^lockstat$)|(^SUNW,rtvc$)|(^vol$)|(^log$)|(^sy$)|"
98 	    "(^ksyms$)|(^clone$)|(^tl$)|(^tnf$)|(^kstat$)|(^mdesc$)|"
99 	    "(^eeprom$)|(^ptsl$)|(^mm$)|(^wc$)|(^dump$)|(^cn$)|(^lo$)|(^ptm$)|"
100 	    "(^ptc$)|(^openeepr$)|(^poll$)|(^sysmsg$)|(^random$)|(^trapstat$)|"
101 	    "(^cryptoadm$)|(^crypto$)|(^pool$)|(^poolctl$)|(^bl$)|(^kmdb$)|"
102 	    "(^sysevent$)|(^kssl$)|(^physmem$)",
103 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
104 	},
105 	{ "pseudo", "ddi_pseudo",
106 	    "(^ip$)|(^tcp$)|(^udp$)|(^icmp$)|(^sctp$)|"
107 	    "(^ip6$)|(^tcp6$)|(^udp6$)|(^icmp6$)|(^sctp6$)|"
108 	    "(^rts$)|(^arp$)|(^ipsecah$)|(^ipsecesp$)|(^keysock$)|(^spdsock$)|"
109 	    "(^nca$)|(^rds$)|(^sdp$)",
110 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
111 	},
112 	{ "pseudo", "ddi_pseudo",
113 	    "(^ipf$)|(^ipnat$)|(^ipstate$)|(^ipauth$)|"
114 	    "(^ipsync$)|(^ipscan$)|(^iplookup$)",
115 	    TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
116 	},
117 	{ "pseudo", "ddi_pseudo",
118 	    "(^kdmouse$)|(^logi$)|(^rootprop$)|(^msm$)",
119 	    TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
120 	},
121 	{ "pseudo", "ddi_pseudo", "tod",
122 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
123 	},
124 	{ "pseudo", "ddi_pseudo", "envctrl(two)?",
125 	    TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
126 	},
127 	{ "pseudo", "ddi_pseudo", "fcode",
128 	    TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
129 	},
130 	{ "power_button", "ddi_power_button", NULL,
131 	    TYPE_EXACT, ILEVEL_0, power_button,
132 	},
133 	{ "FC port", "ddi_ctl:devctl", "fp",
134 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, fc_port
135 	},
136 	{ "printer", "ddi_printer", NULL,
137 	    TYPE_EXACT, ILEVEL_0, printer_create
138 	},
139 	{ "pseudo", "ddi_pseudo", "se",
140 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, se_hdlc_create
141 	},
142 	{ "ppm",  "ddi_ppm", NULL,
143 	    TYPE_EXACT, ILEVEL_0, ppm
144 	},
145 	{ "pseudo", "ddi_pseudo", "gpio_87317",
146 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, gpio
147 	},
148 	{ "pseudo", "ddi_pseudo", "sckmdrv",
149 	    TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
150 	},
151 	{ "pseudo", "ddi_pseudo", "oplkmdrv",
152 	    TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
153 	},
154 	{ "av", "^ddi_av:(isoch|async)$", NULL,
155 	    TYPE_RE, ILEVEL_0, av_create,
156 	},
157 	{ "pseudo", "ddi_pseudo", "tsalarm",
158 	    TYPE_EXACT | DRV_RE, ILEVEL_0, tsalarm_create,
159 	},
160 	{ "pseudo", "ddi_pseudo", "ntwdt",
161 	    TYPE_EXACT | DRV_RE, ILEVEL_0, ntwdt_create,
162 	},
163 	{ "pseudo", "ddi_pseudo", "daplt",
164 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
165 	},
166 	{ "pseudo", "ddi_pseudo", "zcons",
167 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, zcons_create,
168 	},
169 	{ "pseudo", "ddi_pseudo", CPUID_DRIVER_NAME,
170 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, cpuid,
171 	},
172 	{ "pseudo", "ddi_pseudo", "glvc",
173 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, glvc,
174 	},
175 	{ "pseudo", "ddi_pseudo", "dm2s",
176 	    TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name,
177 	},
178 };
179 
180 DEVFSADM_CREATE_INIT_V0(misc_cbt);
181 
182 static devfsadm_remove_t misc_remove_cbt[] = {
183 	{ "pseudo", "^profile$",
184 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
185 	},
186 	{ "pseudo", "^rsm$",
187 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
188 	},
189 	{ "printer", "^printers/[0-9]+$",
190 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
191 	},
192 	{ "av", "^av/[0-9]+/(async|isoch)$",
193 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
194 	},
195 	{ "pseudo", "^daplt$",
196 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
197 	},
198 	{ "pseudo", "^zcons/" ZONENAME_REGEXP "/(" ZCONS_MASTER_NAME "|"
199 		ZCONS_SLAVE_NAME ")$",
200 	    RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
201 	},
202 	{ "pseudo", "^cpu/self/cpuid$", RM_ALWAYS | RM_PRE | RM_HOT,
203 	    ILEVEL_0, devfsadm_rm_all
204 	},
205 	{ "enclosure", "^es/ses[0-9]+$", RM_POST,
206 		ILEVEL_0, devfsadm_rm_all
207 	},
208 	{ "pseudo", "^pfil$",
209 	    RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
210 	}
211 };
212 
213 /* Rules for gpio devices */
214 static devfsadm_enumerate_t gpio_rules[1] =
215 	{"^gpio([0-9]+)$", 1, MATCH_ALL};
216 
217 DEVFSADM_REMOVE_INIT_V0(misc_remove_cbt);
218 
219 /*
220  * Handles minor node type "ddi_display".
221  *
222  * type=ddi_display fbs/\M0 fb\N0
223  */
224 static int
225 display(di_minor_t minor, di_node_t node)
226 {
227 	char l_path[PATH_MAX + 1], contents[PATH_MAX + 1], *buf;
228 	devfsadm_enumerate_t rules[1] = {"^fb([0-9]+)$", 1, MATCH_ALL};
229 	char *mn = di_minor_name(minor);
230 
231 	/* create fbs/\M0 primary link */
232 	(void) strcpy(l_path, "fbs/");
233 	(void) strcat(l_path, mn);
234 	(void) devfsadm_mklink(l_path, node, minor, 0);
235 
236 	/* create fb\N0 which links to fbs/\M0 */
237 	if (devfsadm_enumerate_int(l_path, 0, &buf, rules, 1)) {
238 		return (DEVFSADM_CONTINUE);
239 	}
240 	(void) strcpy(contents, l_path);
241 	(void) strcpy(l_path, "fb");
242 	(void) strcat(l_path, buf);
243 	free(buf);
244 	(void) devfsadm_secondary_link(l_path, contents, 0);
245 	return (DEVFSADM_CONTINUE);
246 }
247 
248 /*
249  * Handles minor node type "ddi_parallel".
250  * type=ddi_parallel;name=mcpp     mcpp\N0
251  */
252 static int
253 parallel(di_minor_t minor, di_node_t node)
254 {
255 	char path[PATH_MAX + 1], *buf;
256 	devfsadm_enumerate_t rules[1] = {"mcpp([0-9]+)$", 1, MATCH_ALL};
257 
258 
259 	if (strcmp(di_node_name(node), "mcpp") != 0) {
260 		return (DEVFSADM_CONTINUE);
261 	}
262 
263 	if (NULL == (buf = di_devfs_path(node))) {
264 		return (DEVFSADM_CONTINUE);
265 	}
266 
267 	(void) snprintf(path, sizeof (path), "%s:%s",
268 	    buf, di_minor_name(minor));
269 
270 	di_devfs_path_free(buf);
271 
272 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
273 		return (DEVFSADM_CONTINUE);
274 	}
275 	(void) snprintf(path, sizeof (path), "mcpp%s", buf);
276 	free(buf);
277 
278 	(void) devfsadm_mklink(path, node, minor, 0);
279 	return (DEVFSADM_CONTINUE);
280 }
281 
282 static int
283 ses_callback(di_minor_t minor, di_node_t node)
284 {
285 	char l_path[PATH_MAX];
286 	char *buf;
287 	char *devfspath;
288 	char p_path[PATH_MAX];
289 	devfsadm_enumerate_t re[] = {"^es$/^ses([0-9]+)$", 1, MATCH_ALL};
290 
291 	/* find devices path -- need to free mem */
292 	if (NULL == (devfspath = di_devfs_path(node))) {
293 		return (DEVFSADM_CONTINUE);
294 	}
295 
296 	(void) snprintf(p_path, sizeof (p_path), "%s:%s", devfspath,
297 	    di_minor_name(minor));
298 
299 
300 	/* find next number to use; buf is an ascii number */
301 	if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) {
302 		/* free memory */
303 		di_devfs_path_free(devfspath);
304 		return (DEVFSADM_CONTINUE);
305 	}
306 
307 	(void) snprintf(l_path, sizeof (l_path), "es/ses%s", buf);
308 
309 	(void) devfsadm_mklink(l_path, node, minor, 0);
310 	/* free memory */
311 	free(buf);
312 	di_devfs_path_free(devfspath);
313 	return (DEVFSADM_CONTINUE);
314 
315 }
316 
317 static int
318 node_slash_minor(di_minor_t minor, di_node_t node)
319 {
320 
321 	char path[PATH_MAX + 1];
322 
323 	(void) strcpy(path, di_node_name(node));
324 	(void) strcat(path, "/");
325 	(void) strcat(path, di_minor_name(minor));
326 	(void) devfsadm_mklink(path, node, minor, 0);
327 	return (DEVFSADM_CONTINUE);
328 }
329 
330 static int
331 driver_minor(di_minor_t minor, di_node_t node)
332 {
333 	char path[PATH_MAX + 1];
334 
335 	(void) strcpy(path, di_driver_name(node));
336 	(void) strcat(path, di_minor_name(minor));
337 	(void) devfsadm_mklink(path, node, minor, 0);
338 	return (DEVFSADM_CONTINUE);
339 }
340 
341 /*
342  * Handles links of the form:
343  * type=ddi_pseudo;name=xyz  \D
344  */
345 static int
346 node_name(di_minor_t minor, di_node_t node)
347 {
348 	(void) devfsadm_mklink(di_node_name(node), node, minor, 0);
349 	return (DEVFSADM_CONTINUE);
350 }
351 
352 /*
353  * Handles links of the form:
354  * type=ddi_pseudo;name=xyz  \M0
355  */
356 static int
357 minor_name(di_minor_t minor, di_node_t node)
358 {
359 	char *mn = di_minor_name(minor);
360 
361 	(void) devfsadm_mklink(mn, node, minor, 0);
362 	if (strcmp(mn, "icmp") == 0) {
363 		(void) devfsadm_mklink("rawip", node, minor, 0);
364 	}
365 	if (strcmp(mn, "icmp6") == 0) {
366 		(void) devfsadm_mklink("rawip6", node, minor, 0);
367 	}
368 	if (strcmp(mn, "ipf") == 0) {
369 		(void) devfsadm_mklink("ipl", node, minor, 0);
370 	}
371 	return (DEVFSADM_CONTINUE);
372 }
373 
374 /*
375  * create links at /dev/wifi for wifi minor node
376  */
377 static int
378 wifi_minor_name(di_minor_t minor, di_node_t node)
379 {
380 	char buf[256];
381 	char *mn = di_minor_name(minor);
382 
383 	(void) snprintf(buf, sizeof (buf), "%s%s", "wifi/", mn);
384 	(void) devfsadm_mklink(buf, node, minor, 0);
385 
386 	return (DEVFSADM_CONTINUE);
387 }
388 
389 static int
390 conskbd(di_minor_t minor, di_node_t node)
391 {
392 	(void) devfsadm_mklink("kbd", node, minor, 0);
393 	return (DEVFSADM_CONTINUE);
394 }
395 
396 static int
397 consms(di_minor_t minor, di_node_t node)
398 {
399 	(void) devfsadm_mklink("mouse", node, minor, 0);
400 	return (DEVFSADM_CONTINUE);
401 }
402 
403 static int
404 power_button(di_minor_t minor, di_node_t node)
405 {
406 	(void) devfsadm_mklink("power_button", node, minor, 0);
407 	return (DEVFSADM_CONTINUE);
408 }
409 
410 static int
411 fc_port(di_minor_t minor, di_node_t node)
412 {
413 	devfsadm_enumerate_t rules[1] = {"fc/fp([0-9]+)$", 1, MATCH_ALL};
414 	char *buf, path[PATH_MAX + 1];
415 	char *ptr;
416 
417 	if (NULL == (ptr = di_devfs_path(node))) {
418 		return (DEVFSADM_CONTINUE);
419 	}
420 
421 	(void) strcpy(path, ptr);
422 	(void) strcat(path, ":");
423 	(void) strcat(path, di_minor_name(minor));
424 
425 	di_devfs_path_free(ptr);
426 
427 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
428 		return (DEVFSADM_CONTINUE);
429 	}
430 
431 	(void) strcpy(path, "fc/fp");
432 	(void) strcat(path, buf);
433 	free(buf);
434 
435 	(void) devfsadm_mklink(path, node, minor, 0);
436 	return (DEVFSADM_CONTINUE);
437 }
438 
439 /*
440  * Handles:
441  *	minor node type "ddi_printer".
442  * 	rules of the form: type=ddi_printer;name=bpp  \M0
443  */
444 static int
445 printer_create(di_minor_t minor, di_node_t node)
446 {
447 	char *mn;
448 	char path[PATH_MAX + 1], *buf;
449 	devfsadm_enumerate_t rules[1] = {"^printers$/^([0-9]+)$", 1, MATCH_ALL};
450 
451 	mn = di_minor_name(minor);
452 
453 	if (strcmp(di_driver_name(node), "bpp") == 0) {
454 		(void) devfsadm_mklink(mn, node, minor, 0);
455 	}
456 
457 	if (NULL == (buf = di_devfs_path(node))) {
458 		return (DEVFSADM_CONTINUE);
459 	}
460 
461 	(void) snprintf(path, sizeof (path), "%s:%s", buf, mn);
462 	di_devfs_path_free(buf);
463 
464 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
465 		return (DEVFSADM_CONTINUE);
466 	}
467 
468 	(void) snprintf(path, sizeof (path), "printers/%s", buf);
469 	free(buf);
470 
471 	(void) devfsadm_mklink(path, node, minor, 0);
472 
473 	return (DEVFSADM_CONTINUE);
474 }
475 
476 /*
477  * Handles links of the form:
478  * type=ddi_pseudo;name=se;minor2=hdlc	se_hdlc\N0
479  * type=ddi_pseudo;name=serial;minor2=hdlc	se_hdlc\N0
480  */
481 static int
482 se_hdlc_create(di_minor_t minor, di_node_t node)
483 {
484 	devfsadm_enumerate_t rules[1] = {"^se_hdlc([0-9]+)$", 1, MATCH_ALL};
485 	char *buf, path[PATH_MAX + 1];
486 	char *ptr;
487 	char *mn;
488 
489 	mn = di_minor_name(minor);
490 
491 	/* minor node should be of the form: "?,hdlc" */
492 	if (strcmp(mn + 1, ",hdlc") != 0) {
493 		return (DEVFSADM_CONTINUE);
494 	}
495 
496 	if (NULL == (ptr = di_devfs_path(node))) {
497 		return (DEVFSADM_CONTINUE);
498 	}
499 
500 	(void) strcpy(path, ptr);
501 	(void) strcat(path, ":");
502 	(void) strcat(path, mn);
503 
504 	di_devfs_path_free(ptr);
505 
506 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
507 		return (DEVFSADM_CONTINUE);
508 	}
509 
510 	(void) strcpy(path, "se_hdlc");
511 	(void) strcat(path, buf);
512 	free(buf);
513 
514 	(void) devfsadm_mklink(path, node, minor, 0);
515 
516 	return (DEVFSADM_CONTINUE);
517 }
518 
519 static int
520 gpio(di_minor_t minor, di_node_t node)
521 {
522 	char l_path[PATH_MAX], p_path[PATH_MAX], *buf, *devfspath;
523 	char *minor_nm, *drvr_nm;
524 
525 
526 	minor_nm = di_minor_name(minor);
527 	drvr_nm = di_driver_name(node);
528 	if ((minor_nm == NULL) || (drvr_nm == NULL)) {
529 		return (DEVFSADM_CONTINUE);
530 	}
531 
532 	devfspath = di_devfs_path(node);
533 
534 	(void) strcpy(p_path, devfspath);
535 	(void) strcat(p_path, ":");
536 	(void) strcat(p_path, minor_nm);
537 	di_devfs_path_free(devfspath);
538 
539 	/* build the physical path from the components */
540 	if (devfsadm_enumerate_int(p_path, 0, &buf, gpio_rules, 1)) {
541 		return (DEVFSADM_CONTINUE);
542 	}
543 
544 	(void) snprintf(l_path, sizeof (l_path), "%s%s", "gpio", buf);
545 
546 	free(buf);
547 
548 	(void) devfsadm_mklink(l_path, node, minor, 0);
549 
550 	return (DEVFSADM_CONTINUE);
551 }
552 
553 /*
554  * Creates /dev/ppm nodes for Platform Specific PM module
555  */
556 static int
557 ppm(di_minor_t minor, di_node_t node)
558 {
559 	(void) devfsadm_mklink("ppm", node, minor, 0);
560 	return (DEVFSADM_CONTINUE);
561 }
562 
563 /*
564  * Handles:
565  *	/dev/av/[0-9]+/(async|isoch)
566  */
567 static int
568 av_create(di_minor_t minor, di_node_t node)
569 {
570 	devfsadm_enumerate_t rules[1] = {"^av$/^([0-9]+)$", 1, MATCH_ADDR};
571 	char	*minor_str;
572 	char	path[PATH_MAX + 1];
573 	char	*buf;
574 
575 	if ((buf = di_devfs_path(node)) == NULL) {
576 		return (DEVFSADM_CONTINUE);
577 	}
578 
579 	minor_str = di_minor_name(minor);
580 	(void) snprintf(path, sizeof (path), "%s:%s", buf, minor_str);
581 	di_devfs_path_free(buf);
582 
583 	if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
584 		return (DEVFSADM_CONTINUE);
585 	}
586 
587 	(void) snprintf(path, sizeof (path), "av/%s/%s", buf, minor_str);
588 	free(buf);
589 
590 	(void) devfsadm_mklink(path, node, minor, 0);
591 
592 	return (DEVFSADM_CONTINUE);
593 }
594 
595 /*
596  * Creates /dev/lom and /dev/tsalarm:ctl for tsalarm node
597  */
598 static int
599 tsalarm_create(di_minor_t minor, di_node_t node)
600 {
601 	char buf[PATH_MAX + 1];
602 	char *mn = di_minor_name(minor);
603 
604 	(void) snprintf(buf, sizeof (buf), "%s%s", di_node_name(node), ":ctl");
605 
606 	(void) devfsadm_mklink(mn, node, minor, 0);
607 	(void) devfsadm_mklink(buf, node, minor, 0);
608 
609 	return (DEVFSADM_CONTINUE);
610 }
611 
612 /*
613  * Creates /dev/ntwdt for ntwdt node
614  */
615 static int
616 ntwdt_create(di_minor_t minor, di_node_t node)
617 {
618 	(void) devfsadm_mklink("ntwdt", node, minor, 0);
619 	return (DEVFSADM_CONTINUE);
620 }
621 
622 static int
623 zcons_create(di_minor_t minor, di_node_t node)
624 {
625 	char	*minor_str;
626 	char	*zonename;
627 	char	path[MAXPATHLEN];
628 
629 	minor_str = di_minor_name(minor);
630 
631 	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zonename",
632 	    &zonename) == -1) {
633 		return (DEVFSADM_CONTINUE);
634 	}
635 
636 	(void) snprintf(path, sizeof (path), "zcons/%s/%s", zonename,
637 	    minor_str);
638 	(void) devfsadm_mklink(path, node, minor, 0);
639 
640 	return (DEVFSADM_CONTINUE);
641 }
642 
643 /*
644  *	/dev/cpu/self/cpuid 	->	/devices/pseudo/cpuid@0:self
645  */
646 static int
647 cpuid(di_minor_t minor, di_node_t node)
648 {
649 	(void) devfsadm_mklink(CPUID_SELF_NAME, node, minor, 0);
650 	return (DEVFSADM_CONTINUE);
651 }
652 
653 /*
654  * For device
655  *      /dev/spfma -> /devices/virtual-devices/fma@5:glvc
656  */
657 static int
658 glvc(di_minor_t minor, di_node_t node)
659 {
660 	char node_name[MAXNAMELEN + 1];
661 
662 	(void) strcpy(node_name, di_node_name(node));
663 
664 	if (strncmp(node_name, "fma", 3) == 0) {
665 		/* Only one fma channel */
666 		(void) devfsadm_mklink("spfma", node, minor, 0);
667 	}
668 	return (DEVFSADM_CONTINUE);
669 }
670 
671 /*
672  * Handles links of the form:
673  * type=ddi_pseudo;name=sckmdrv		kmdrv\M0
674  * type=ddi_pseudo;name=oplkmdrv	kmdrv\M0
675  */
676 static int
677 kmdrv_create(di_minor_t minor, di_node_t node)
678 {
679 
680 	(void) devfsadm_mklink("kmdrv", node, minor, 0);
681 	return (DEVFSADM_CONTINUE);
682 }
683