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 (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 * Copyright (c) 2015, Joyent, Inc. All rights reserved.
25 */
26
27 #include <regex.h>
28 #include <devfsadm.h>
29 #include <stdio.h>
30 #include <strings.h>
31 #include <stdlib.h>
32 #include <limits.h>
33 #include <sys/zone.h>
34 #include <sys/zcons.h>
35 #include <sys/cpuid_drv.h>
36
37 static int display(di_minor_t minor, di_node_t node);
38 static int parallel(di_minor_t minor, di_node_t node);
39 static int node_slash_minor(di_minor_t minor, di_node_t node);
40 static int driver_minor(di_minor_t minor, di_node_t node);
41 static int node_name(di_minor_t minor, di_node_t node);
42 static int minor_name(di_minor_t minor, di_node_t node);
43 static int wifi_minor_name(di_minor_t minor, di_node_t node);
44 static int conskbd(di_minor_t minor, di_node_t node);
45 static int consms(di_minor_t minor, di_node_t node);
46 static int power_button(di_minor_t minor, di_node_t node);
47 static int fc_port(di_minor_t minor, di_node_t node);
48 static int printer_create(di_minor_t minor, di_node_t node);
49 static int se_hdlc_create(di_minor_t minor, di_node_t node);
50 static int ppm(di_minor_t minor, di_node_t node);
51 static int gpio(di_minor_t minor, di_node_t node);
52 static int av_create(di_minor_t minor, di_node_t node);
53 static int tsalarm_create(di_minor_t minor, di_node_t node);
54 static int ntwdt_create(di_minor_t minor, di_node_t node);
55 static int zcons_create(di_minor_t minor, di_node_t node);
56 static int cpuid(di_minor_t minor, di_node_t node);
57 static int glvc(di_minor_t minor, di_node_t node);
58 static int ses_callback(di_minor_t minor, di_node_t node);
59 static int kmdrv_create(di_minor_t minor, di_node_t node);
60
61 static devfsadm_create_t misc_cbt[] = {
62 { "pseudo", "ddi_pseudo", "(^sad$)",
63 TYPE_EXACT | DRV_RE, ILEVEL_0, node_slash_minor
64 },
65 { "pseudo", "ddi_pseudo", "zsh",
66 TYPE_EXACT | DRV_EXACT, ILEVEL_0, driver_minor
67 },
68 { "network", "ddi_network", NULL,
69 TYPE_EXACT, ILEVEL_0, minor_name
70 },
71 { "wifi", "ddi_network:wifi", NULL,
72 TYPE_EXACT, ILEVEL_0, wifi_minor_name
73 },
74 { "display", "ddi_display", NULL,
75 TYPE_EXACT, ILEVEL_0, display
76 },
77 { "parallel", "ddi_parallel", NULL,
78 TYPE_EXACT, ILEVEL_0, parallel
79 },
80 { "enclosure", DDI_NT_SCSI_ENCLOSURE, NULL,
81 TYPE_EXACT, ILEVEL_0, ses_callback
82 },
83 { "pseudo", "ddi_pseudo", "(^winlock$)|(^pm$)",
84 TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
85 },
86 { "pseudo", "ddi_pseudo", "conskbd",
87 TYPE_EXACT | DRV_EXACT, ILEVEL_0, conskbd
88 },
89 { "pseudo", "ddi_pseudo", "consms",
90 TYPE_EXACT | DRV_EXACT, ILEVEL_0, consms
91 },
92 { "pseudo", "ddi_pseudo", "eventfd",
93 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
94 },
95 { "pseudo", "ddi_pseudo", "signalfd",
96 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
97 },
98 { "pseudo", "ddi_pseudo", "rsm",
99 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
100 },
101 { "pseudo", "ddi_pseudo",
102 "(^lockstat$)|(^SUNW,rtvc$)|(^vol$)|(^log$)|(^sy$)|"
103 "(^ksyms$)|(^clone$)|(^tl$)|(^tnf$)|(^kstat$)|(^mdesc$)|(^eeprom$)|"
104 "(^ptsl$)|(^mm$)|(^wc$)|(^dump$)|(^cn$)|(^svvslo$)|(^ptm$)|"
105 "(^ptc$)|(^openeepr$)|(^poll$)|(^sysmsg$)|(^random$)|(^trapstat$)|"
106 "(^cryptoadm$)|(^crypto$)|(^pool$)|(^poolctl$)|(^bl$)|(^kmdb$)|"
107 "(^sysevent$)|(^kssl$)|(^physmem$)",
108 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
109 },
110 { "pseudo", "ddi_pseudo",
111 "(^ip$)|(^tcp$)|(^udp$)|(^icmp$)|"
112 "(^ip6$)|(^tcp6$)|(^udp6$)|(^icmp6$)|"
113 "(^rts$)|(^arp$)|(^ipsecah$)|(^ipsecesp$)|(^keysock$)|(^spdsock$)|"
114 "(^nca$)|(^rds$)|(^sdp$)|(^ipnet$)|(^dlpistub$)|(^bpf$)",
115 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
116 },
117 { "pseudo", "ddi_pseudo", "ipd",
118 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
119 },
120 { "pseudo", "ddi_pseudo",
121 "(^ipf$)|(^ipnat$)|(^ipstate$)|(^ipauth$)|"
122 "(^ipsync$)|(^ipscan$)|(^iplookup$)",
123 TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
124 },
125 { "pseudo", "ddi_pseudo", "dld",
126 TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
127 },
128 { "pseudo", "ddi_pseudo",
129 "(^kdmouse$)|(^rootprop$)",
130 TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
131 },
132 { "pseudo", "ddi_pseudo", "timerfd",
133 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
134 },
135 { "pseudo", "ddi_pseudo", "tod",
136 TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
137 },
138 { "pseudo", "ddi_pseudo", "envctrl(two)?",
139 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
140 },
141 { "pseudo", "ddi_pseudo", "fcode",
142 TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
143 },
144 { "power_button", "ddi_power_button", NULL,
145 TYPE_EXACT, ILEVEL_0, power_button,
146 },
147 { "FC port", "ddi_ctl:devctl", "fp",
148 TYPE_EXACT | DRV_EXACT, ILEVEL_0, fc_port
149 },
150 { "printer", "ddi_printer", NULL,
151 TYPE_EXACT, ILEVEL_0, printer_create
152 },
153 { "pseudo", "ddi_pseudo", "se",
154 TYPE_EXACT | DRV_EXACT, ILEVEL_0, se_hdlc_create
155 },
156 { "ppm", "ddi_ppm", NULL,
157 TYPE_EXACT, ILEVEL_0, ppm
158 },
159 { "pseudo", "ddi_pseudo", "gpio_87317",
160 TYPE_EXACT | DRV_EXACT, ILEVEL_0, gpio
161 },
162 { "pseudo", "ddi_pseudo", "sckmdrv",
163 TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
164 },
165 { "pseudo", "ddi_pseudo", "oplkmdrv",
166 TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
167 },
168 { "av", "^ddi_av:(isoch|async)$", NULL,
169 TYPE_RE, ILEVEL_0, av_create,
170 },
171 { "pseudo", "ddi_pseudo", "tsalarm",
172 TYPE_EXACT | DRV_RE, ILEVEL_0, tsalarm_create,
173 },
174 { "pseudo", "ddi_pseudo", "ntwdt",
175 TYPE_EXACT | DRV_RE, ILEVEL_0, ntwdt_create,
176 },
177 { "pseudo", "ddi_pseudo", "daplt",
178 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
179 },
180 { "pseudo", "ddi_pseudo", "zcons",
181 TYPE_EXACT | DRV_EXACT, ILEVEL_0, zcons_create,
182 },
183 { "pseudo", "ddi_pseudo", CPUID_DRIVER_NAME,
184 TYPE_EXACT | DRV_EXACT, ILEVEL_0, cpuid,
185 },
186 { "pseudo", "ddi_pseudo", "glvc",
187 TYPE_EXACT | DRV_EXACT, ILEVEL_0, glvc,
188 },
189 { "pseudo", "ddi_pseudo", "dm2s",
190 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name,
191 },
192 { "pseudo", "ddi_pseudo", "nsmb",
193 TYPE_EXACT | DRV_EXACT, ILEVEL_1, minor_name,
194 },
195 { "pseudo", "ddi_pseudo", "mem_cache",
196 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
197 },
198 { "pseudo", "ddi_pseudo", "fm",
199 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
200 },
201 { "pseudo", "ddi_pseudo", "smbsrv",
202 TYPE_EXACT | DRV_EXACT, ILEVEL_1, minor_name,
203 },
204 { "pseudo", "ddi_pseudo", "tpm",
205 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
206 },
207 };
208
209 DEVFSADM_CREATE_INIT_V0(misc_cbt);
210
211 static devfsadm_remove_t misc_remove_cbt[] = {
212 { "pseudo", "^profile$",
213 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
214 },
215 { "pseudo", "^rsm$",
216 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
217 },
218 { "printer", "^printers/[0-9]+$",
219 RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
220 },
221 { "av", "^av/[0-9]+/(async|isoch)$",
222 RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
223 },
224 { "pseudo", "^daplt$",
225 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
226 },
227 { "pseudo", "^zcons/" ZONENAME_REGEXP "/(" ZCONS_MASTER_NAME "|"
228 ZCONS_SLAVE_NAME ")$",
229 RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
230 },
231 { "pseudo", "^" CPUID_SELF_NAME "$", RM_ALWAYS | RM_PRE | RM_HOT,
232 ILEVEL_0, devfsadm_rm_all
233 },
234 { "enclosure", "^es/ses[0-9]+$", RM_POST,
235 ILEVEL_0, devfsadm_rm_all
236 },
237 { "pseudo", "^pfil$",
238 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
239 },
240 { "pseudo", "^tpm$",
241 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
242 },
243 { "pseudo", "^sctp|sctp6$",
244 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_link
245 }
246 };
247
248 /* Rules for gpio devices */
249 static devfsadm_enumerate_t gpio_rules[1] =
250 {"^gpio([0-9]+)$", 1, MATCH_ALL};
251
252 DEVFSADM_REMOVE_INIT_V0(misc_remove_cbt);
253
254 /*
255 * Handles minor node type "ddi_display".
256 *
257 * type=ddi_display fbs/\M0 fb\N0
258 */
259 static int
display(di_minor_t minor,di_node_t node)260 display(di_minor_t minor, di_node_t node)
261 {
262 char l_path[PATH_MAX + 1], contents[PATH_MAX + 1], *buf;
263 devfsadm_enumerate_t rules[1] = {"^fb([0-9]+)$", 1, MATCH_ALL};
264 char *mn = di_minor_name(minor);
265
266 /* create fbs/\M0 primary link */
267 (void) strcpy(l_path, "fbs/");
268 (void) strcat(l_path, mn);
269 (void) devfsadm_mklink(l_path, node, minor, 0);
270
271 /* create fb\N0 which links to fbs/\M0 */
272 if (devfsadm_enumerate_int(l_path, 0, &buf, rules, 1)) {
273 return (DEVFSADM_CONTINUE);
274 }
275 (void) strcpy(contents, l_path);
276 (void) strcpy(l_path, "fb");
277 (void) strcat(l_path, buf);
278 free(buf);
279 (void) devfsadm_secondary_link(l_path, contents, 0);
280 return (DEVFSADM_CONTINUE);
281 }
282
283 /*
284 * Handles minor node type "ddi_parallel".
285 * type=ddi_parallel;name=mcpp mcpp\N0
286 */
287 static int
parallel(di_minor_t minor,di_node_t node)288 parallel(di_minor_t minor, di_node_t node)
289 {
290 char path[PATH_MAX + 1], *buf;
291 devfsadm_enumerate_t rules[1] = {"mcpp([0-9]+)$", 1, MATCH_ALL};
292
293
294 if (strcmp(di_node_name(node), "mcpp") != 0) {
295 return (DEVFSADM_CONTINUE);
296 }
297
298 if (NULL == (buf = di_devfs_path(node))) {
299 return (DEVFSADM_CONTINUE);
300 }
301
302 (void) snprintf(path, sizeof (path), "%s:%s",
303 buf, di_minor_name(minor));
304
305 di_devfs_path_free(buf);
306
307 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
308 return (DEVFSADM_CONTINUE);
309 }
310 (void) snprintf(path, sizeof (path), "mcpp%s", buf);
311 free(buf);
312
313 (void) devfsadm_mklink(path, node, minor, 0);
314 return (DEVFSADM_CONTINUE);
315 }
316
317 static int
ses_callback(di_minor_t minor,di_node_t node)318 ses_callback(di_minor_t minor, di_node_t node)
319 {
320 char l_path[PATH_MAX];
321 char *buf;
322 char *devfspath;
323 char p_path[PATH_MAX];
324 devfsadm_enumerate_t re[] = {"^es$/^ses([0-9]+)$", 1, MATCH_ALL};
325
326 /* find devices path -- need to free mem */
327 if (NULL == (devfspath = di_devfs_path(node))) {
328 return (DEVFSADM_CONTINUE);
329 }
330
331 (void) snprintf(p_path, sizeof (p_path), "%s:%s", devfspath,
332 di_minor_name(minor));
333
334
335 /* find next number to use; buf is an ascii number */
336 if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) {
337 /* free memory */
338 di_devfs_path_free(devfspath);
339 return (DEVFSADM_CONTINUE);
340 }
341
342 (void) snprintf(l_path, sizeof (l_path), "es/ses%s", buf);
343
344 (void) devfsadm_mklink(l_path, node, minor, 0);
345 /* free memory */
346 free(buf);
347 di_devfs_path_free(devfspath);
348 return (DEVFSADM_CONTINUE);
349
350 }
351
352 static int
node_slash_minor(di_minor_t minor,di_node_t node)353 node_slash_minor(di_minor_t minor, di_node_t node)
354 {
355
356 char path[PATH_MAX + 1];
357
358 (void) strcpy(path, di_node_name(node));
359 (void) strcat(path, "/");
360 (void) strcat(path, di_minor_name(minor));
361 (void) devfsadm_mklink(path, node, minor, 0);
362 return (DEVFSADM_CONTINUE);
363 }
364
365 static int
driver_minor(di_minor_t minor,di_node_t node)366 driver_minor(di_minor_t minor, di_node_t node)
367 {
368 char path[PATH_MAX + 1];
369
370 (void) strcpy(path, di_driver_name(node));
371 (void) strcat(path, di_minor_name(minor));
372 (void) devfsadm_mklink(path, node, minor, 0);
373 return (DEVFSADM_CONTINUE);
374 }
375
376 /*
377 * Handles links of the form:
378 * type=ddi_pseudo;name=xyz \D
379 */
380 static int
node_name(di_minor_t minor,di_node_t node)381 node_name(di_minor_t minor, di_node_t node)
382 {
383 (void) devfsadm_mklink(di_node_name(node), node, minor, 0);
384 return (DEVFSADM_CONTINUE);
385 }
386
387 /*
388 * Handles links of the form:
389 * type=ddi_pseudo;name=xyz \M0
390 */
391 static int
minor_name(di_minor_t minor,di_node_t node)392 minor_name(di_minor_t minor, di_node_t node)
393 {
394 char *mn = di_minor_name(minor);
395
396 (void) devfsadm_mklink(mn, node, minor, 0);
397 if (strcmp(mn, "icmp") == 0) {
398 (void) devfsadm_mklink("rawip", node, minor, 0);
399 }
400 if (strcmp(mn, "icmp6") == 0) {
401 (void) devfsadm_mklink("rawip6", node, minor, 0);
402 }
403 if (strcmp(mn, "ipf") == 0) {
404 (void) devfsadm_mklink("ipl", node, minor, 0);
405 }
406 return (DEVFSADM_CONTINUE);
407 }
408
409 /*
410 * create links at /dev/wifi for wifi minor node
411 */
412 static int
wifi_minor_name(di_minor_t minor,di_node_t node)413 wifi_minor_name(di_minor_t minor, di_node_t node)
414 {
415 char buf[256];
416 char *mn = di_minor_name(minor);
417
418 (void) snprintf(buf, sizeof (buf), "%s%s", "wifi/", mn);
419 (void) devfsadm_mklink(buf, node, minor, 0);
420
421 return (DEVFSADM_CONTINUE);
422 }
423
424 static int
conskbd(di_minor_t minor,di_node_t node)425 conskbd(di_minor_t minor, di_node_t node)
426 {
427 (void) devfsadm_mklink("kbd", node, minor, 0);
428 return (DEVFSADM_CONTINUE);
429 }
430
431 static int
consms(di_minor_t minor,di_node_t node)432 consms(di_minor_t minor, di_node_t node)
433 {
434 (void) devfsadm_mklink("mouse", node, minor, 0);
435 return (DEVFSADM_CONTINUE);
436 }
437
438 static int
power_button(di_minor_t minor,di_node_t node)439 power_button(di_minor_t minor, di_node_t node)
440 {
441 (void) devfsadm_mklink("power_button", node, minor, 0);
442 return (DEVFSADM_CONTINUE);
443 }
444
445 static int
fc_port(di_minor_t minor,di_node_t node)446 fc_port(di_minor_t minor, di_node_t node)
447 {
448 devfsadm_enumerate_t rules[1] = {"fc/fp([0-9]+)$", 1, MATCH_ALL};
449 char *buf, path[PATH_MAX + 1];
450 char *ptr;
451
452 if (NULL == (ptr = di_devfs_path(node))) {
453 return (DEVFSADM_CONTINUE);
454 }
455
456 (void) strcpy(path, ptr);
457 (void) strcat(path, ":");
458 (void) strcat(path, di_minor_name(minor));
459
460 di_devfs_path_free(ptr);
461
462 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
463 return (DEVFSADM_CONTINUE);
464 }
465
466 (void) strcpy(path, "fc/fp");
467 (void) strcat(path, buf);
468 free(buf);
469
470 (void) devfsadm_mklink(path, node, minor, 0);
471 return (DEVFSADM_CONTINUE);
472 }
473
474 /*
475 * Handles:
476 * minor node type "ddi_printer".
477 * rules of the form: type=ddi_printer;name=bpp \M0
478 */
479 static int
printer_create(di_minor_t minor,di_node_t node)480 printer_create(di_minor_t minor, di_node_t node)
481 {
482 char *mn;
483 char path[PATH_MAX + 1], *buf;
484 devfsadm_enumerate_t rules[1] = {"^printers$/^([0-9]+)$", 1, MATCH_ALL};
485
486 mn = di_minor_name(minor);
487
488 if (strcmp(di_driver_name(node), "bpp") == 0) {
489 (void) devfsadm_mklink(mn, node, minor, 0);
490 }
491
492 if (NULL == (buf = di_devfs_path(node))) {
493 return (DEVFSADM_CONTINUE);
494 }
495
496 (void) snprintf(path, sizeof (path), "%s:%s", buf, mn);
497 di_devfs_path_free(buf);
498
499 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
500 return (DEVFSADM_CONTINUE);
501 }
502
503 (void) snprintf(path, sizeof (path), "printers/%s", buf);
504 free(buf);
505
506 (void) devfsadm_mklink(path, node, minor, 0);
507
508 return (DEVFSADM_CONTINUE);
509 }
510
511 /*
512 * Handles links of the form:
513 * type=ddi_pseudo;name=se;minor2=hdlc se_hdlc\N0
514 * type=ddi_pseudo;name=serial;minor2=hdlc se_hdlc\N0
515 */
516 static int
se_hdlc_create(di_minor_t minor,di_node_t node)517 se_hdlc_create(di_minor_t minor, di_node_t node)
518 {
519 devfsadm_enumerate_t rules[1] = {"^se_hdlc([0-9]+)$", 1, MATCH_ALL};
520 char *buf, path[PATH_MAX + 1];
521 char *ptr;
522 char *mn;
523
524 mn = di_minor_name(minor);
525
526 /* minor node should be of the form: "?,hdlc" */
527 if (strcmp(mn + 1, ",hdlc") != 0) {
528 return (DEVFSADM_CONTINUE);
529 }
530
531 if (NULL == (ptr = di_devfs_path(node))) {
532 return (DEVFSADM_CONTINUE);
533 }
534
535 (void) strcpy(path, ptr);
536 (void) strcat(path, ":");
537 (void) strcat(path, mn);
538
539 di_devfs_path_free(ptr);
540
541 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
542 return (DEVFSADM_CONTINUE);
543 }
544
545 (void) strcpy(path, "se_hdlc");
546 (void) strcat(path, buf);
547 free(buf);
548
549 (void) devfsadm_mklink(path, node, minor, 0);
550
551 return (DEVFSADM_CONTINUE);
552 }
553
554 static int
gpio(di_minor_t minor,di_node_t node)555 gpio(di_minor_t minor, di_node_t node)
556 {
557 char l_path[PATH_MAX], p_path[PATH_MAX], *buf, *devfspath;
558 char *minor_nm, *drvr_nm;
559
560
561 minor_nm = di_minor_name(minor);
562 drvr_nm = di_driver_name(node);
563 if ((minor_nm == NULL) || (drvr_nm == NULL)) {
564 return (DEVFSADM_CONTINUE);
565 }
566
567 devfspath = di_devfs_path(node);
568
569 (void) strcpy(p_path, devfspath);
570 (void) strcat(p_path, ":");
571 (void) strcat(p_path, minor_nm);
572 di_devfs_path_free(devfspath);
573
574 /* build the physical path from the components */
575 if (devfsadm_enumerate_int(p_path, 0, &buf, gpio_rules, 1)) {
576 return (DEVFSADM_CONTINUE);
577 }
578
579 (void) snprintf(l_path, sizeof (l_path), "%s%s", "gpio", buf);
580
581 free(buf);
582
583 (void) devfsadm_mklink(l_path, node, minor, 0);
584
585 return (DEVFSADM_CONTINUE);
586 }
587
588 /*
589 * Creates /dev/ppm nodes for Platform Specific PM module
590 */
591 static int
ppm(di_minor_t minor,di_node_t node)592 ppm(di_minor_t minor, di_node_t node)
593 {
594 (void) devfsadm_mklink("ppm", node, minor, 0);
595 return (DEVFSADM_CONTINUE);
596 }
597
598 /*
599 * Handles:
600 * /dev/av/[0-9]+/(async|isoch)
601 */
602 static int
av_create(di_minor_t minor,di_node_t node)603 av_create(di_minor_t minor, di_node_t node)
604 {
605 devfsadm_enumerate_t rules[1] = {"^av$/^([0-9]+)$", 1, MATCH_ADDR};
606 char *minor_str;
607 char path[PATH_MAX + 1];
608 char *buf;
609
610 if ((buf = di_devfs_path(node)) == NULL) {
611 return (DEVFSADM_CONTINUE);
612 }
613
614 minor_str = di_minor_name(minor);
615 (void) snprintf(path, sizeof (path), "%s:%s", buf, minor_str);
616 di_devfs_path_free(buf);
617
618 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
619 return (DEVFSADM_CONTINUE);
620 }
621
622 (void) snprintf(path, sizeof (path), "av/%s/%s", buf, minor_str);
623 free(buf);
624
625 (void) devfsadm_mklink(path, node, minor, 0);
626
627 return (DEVFSADM_CONTINUE);
628 }
629
630 /*
631 * Creates /dev/lom and /dev/tsalarm:ctl for tsalarm node
632 */
633 static int
tsalarm_create(di_minor_t minor,di_node_t node)634 tsalarm_create(di_minor_t minor, di_node_t node)
635 {
636 char buf[PATH_MAX + 1];
637 char *mn = di_minor_name(minor);
638
639 (void) snprintf(buf, sizeof (buf), "%s%s", di_node_name(node), ":ctl");
640
641 (void) devfsadm_mklink(mn, node, minor, 0);
642 (void) devfsadm_mklink(buf, node, minor, 0);
643
644 return (DEVFSADM_CONTINUE);
645 }
646
647 /*
648 * Creates /dev/ntwdt for ntwdt node
649 */
650 static int
ntwdt_create(di_minor_t minor,di_node_t node)651 ntwdt_create(di_minor_t minor, di_node_t node)
652 {
653 (void) devfsadm_mklink("ntwdt", node, minor, 0);
654 return (DEVFSADM_CONTINUE);
655 }
656
657 static int
zcons_create(di_minor_t minor,di_node_t node)658 zcons_create(di_minor_t minor, di_node_t node)
659 {
660 char *minor_str;
661 char *zonename;
662 char path[MAXPATHLEN];
663
664 minor_str = di_minor_name(minor);
665
666 if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zonename",
667 &zonename) == -1) {
668 return (DEVFSADM_CONTINUE);
669 }
670
671 (void) snprintf(path, sizeof (path), "zcons/%s/%s", zonename,
672 minor_str);
673 (void) devfsadm_mklink(path, node, minor, 0);
674
675 return (DEVFSADM_CONTINUE);
676 }
677
678 /*
679 * /dev/cpu/self/cpuid -> /devices/pseudo/cpuid@0:self
680 */
681 static int
cpuid(di_minor_t minor,di_node_t node)682 cpuid(di_minor_t minor, di_node_t node)
683 {
684 (void) devfsadm_mklink(CPUID_SELF_NAME, node, minor, 0);
685 return (DEVFSADM_CONTINUE);
686 }
687
688 /*
689 * For device
690 * /dev/spfma -> /devices/virtual-devices/fma@5:glvc
691 */
692 static int
glvc(di_minor_t minor,di_node_t node)693 glvc(di_minor_t minor, di_node_t node)
694 {
695 char node_name[MAXNAMELEN + 1];
696
697 (void) strcpy(node_name, di_node_name(node));
698
699 if (strncmp(node_name, "fma", 3) == 0) {
700 /* Only one fma channel */
701 (void) devfsadm_mklink("spfma", node, minor, 0);
702 }
703 return (DEVFSADM_CONTINUE);
704 }
705
706 /*
707 * Handles links of the form:
708 * type=ddi_pseudo;name=sckmdrv kmdrv\M0
709 * type=ddi_pseudo;name=oplkmdrv kmdrv\M0
710 */
711 static int
kmdrv_create(di_minor_t minor,di_node_t node)712 kmdrv_create(di_minor_t minor, di_node_t node)
713 {
714
715 (void) devfsadm_mklink("kmdrv", node, minor, 0);
716 return (DEVFSADM_CONTINUE);
717 }
718