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 * Copyright 2022 Garrett D'Amore <garrett@damore.org>
26 * Copyright 2022 Oxide Computer Company
27 */
28
29 #include <regex.h>
30 #include <devfsadm.h>
31 #include <stdio.h>
32 #include <strings.h>
33 #include <stdlib.h>
34 #include <limits.h>
35 #include <sys/zone.h>
36 #include <sys/zcons.h>
37 #include <sys/cpuid_drv.h>
38
39 static int display(di_minor_t minor, di_node_t node);
40 static int parallel(di_minor_t minor, di_node_t node);
41 static int node_slash_minor(di_minor_t minor, di_node_t node);
42 static int driver_minor(di_minor_t minor, di_node_t node);
43 static int node_name(di_minor_t minor, di_node_t node);
44 static int minor_name(di_minor_t minor, di_node_t node);
45 static int wifi_minor_name(di_minor_t minor, di_node_t node);
46 static int conskbd(di_minor_t minor, di_node_t node);
47 static int consms(di_minor_t minor, di_node_t node);
48 static int power_button(di_minor_t minor, di_node_t node);
49 static int fc_port(di_minor_t minor, di_node_t node);
50 static int printer_create(di_minor_t minor, di_node_t node);
51 static int se_hdlc_create(di_minor_t minor, di_node_t node);
52 static int ppm(di_minor_t minor, di_node_t node);
53 static int gpio(di_minor_t minor, di_node_t node);
54 static int av_create(di_minor_t minor, di_node_t node);
55 static int tsalarm_create(di_minor_t minor, di_node_t node);
56 static int ntwdt_create(di_minor_t minor, di_node_t node);
57 static int zcons_create(di_minor_t minor, di_node_t node);
58 static int cpuid(di_minor_t minor, di_node_t node);
59 static int glvc(di_minor_t minor, di_node_t node);
60 static int ses_callback(di_minor_t minor, di_node_t node);
61 static int kmdrv_create(di_minor_t minor, di_node_t node);
62 static int vio9p_create(di_minor_t minor, di_node_t node);
63
64 static devfsadm_create_t misc_cbt[] = {
65 { "pseudo", "ddi_pseudo", "(^sad$)",
66 TYPE_EXACT | DRV_RE, ILEVEL_0, node_slash_minor
67 },
68 { "pseudo", "ddi_pseudo", "zsh",
69 TYPE_EXACT | DRV_EXACT, ILEVEL_0, driver_minor
70 },
71 { "network", "ddi_network", NULL,
72 TYPE_EXACT, ILEVEL_0, minor_name
73 },
74 { "wifi", "ddi_network:wifi", NULL,
75 TYPE_EXACT, ILEVEL_0, wifi_minor_name
76 },
77 { "display", "ddi_display", NULL,
78 TYPE_EXACT, ILEVEL_0, display
79 },
80 { "parallel", "ddi_parallel", NULL,
81 TYPE_EXACT, ILEVEL_0, parallel
82 },
83 { "enclosure", DDI_NT_SCSI_ENCLOSURE, NULL,
84 TYPE_EXACT, ILEVEL_0, ses_callback
85 },
86 { "pseudo", "ddi_pseudo", "(^winlock$)|(^pm$)",
87 TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
88 },
89 { "pseudo", "ddi_pseudo", "conskbd",
90 TYPE_EXACT | DRV_EXACT, ILEVEL_0, conskbd
91 },
92 { "pseudo", "ddi_pseudo", "consms",
93 TYPE_EXACT | DRV_EXACT, ILEVEL_0, consms
94 },
95 { "pseudo", "ddi_pseudo", "eventfd",
96 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
97 },
98 { "pseudo", "ddi_pseudo", "signalfd",
99 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
100 },
101 { "pseudo", "ddi_pseudo", "rsm",
102 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
103 },
104 { "pseudo", "ddi_pseudo",
105 "(^lockstat$)|(^SUNW,rtvc$)|(^vol$)|(^log$)|(^sy$)|"
106 "(^ksyms$)|(^clone$)|(^tl$)|(^kstat$)|(^mdesc$)|(^eeprom$)|"
107 "(^ptsl$)|(^mm$)|(^wc$)|(^dump$)|(^cn$)|(^svvslo$)|(^ptm$)|"
108 "(^ptc$)|(^openeepr$)|(^poll$)|(^sysmsg$)|(^random$)|(^trapstat$)|"
109 "(^cryptoadm$)|(^crypto$)|(^pool$)|(^poolctl$)|(^bl$)|(^kmdb$)|"
110 "(^sysevent$)|(^physmem$)",
111 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
112 },
113 { "pseudo", "ddi_pseudo",
114 "(^ip$)|(^tcp$)|(^udp$)|(^icmp$)|"
115 "(^ip6$)|(^tcp6$)|(^udp6$)|(^icmp6$)|"
116 "(^rts$)|(^arp$)|(^ipsecah$)|(^ipsecesp$)|(^keysock$)|(^spdsock$)|"
117 "(^rds$)|(^sdp$)|(^ipnet$)|(^dlpistub$)|(^bpf$)",
118 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name
119 },
120 { "pseudo", "ddi_pseudo", "ipd",
121 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
122 },
123 { "pseudo", "ddi_pseudo",
124 "(^ipf$)|(^ipnat$)|(^ipstate$)|(^ipauth$)|"
125 "(^ipsync$)|(^ipscan$)|(^iplookup$)",
126 TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
127 },
128 { "pseudo", "ddi_pseudo", "dld",
129 TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
130 },
131 { "pseudo", "ddi_pseudo",
132 "(^kdmouse$)|(^rootprop$)",
133 TYPE_EXACT | DRV_RE, ILEVEL_0, node_name
134 },
135 { "pseudo", "ddi_pseudo", "timerfd",
136 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
137 },
138 { "pseudo", "ddi_pseudo", "tod",
139 TYPE_EXACT | DRV_EXACT, ILEVEL_0, node_name
140 },
141 { "pseudo", "ddi_pseudo", "envctrl(two)?",
142 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
143 },
144 { "pseudo", "ddi_pseudo", "fcode",
145 TYPE_EXACT | DRV_RE, ILEVEL_0, minor_name,
146 },
147 { "power_button", "ddi_power_button", NULL,
148 TYPE_EXACT, ILEVEL_0, power_button,
149 },
150 { "FC port", "ddi_ctl:devctl", "fp",
151 TYPE_EXACT | DRV_EXACT, ILEVEL_0, fc_port
152 },
153 { "printer", "ddi_printer", NULL,
154 TYPE_EXACT, ILEVEL_0, printer_create
155 },
156 { "pseudo", "ddi_pseudo", "se",
157 TYPE_EXACT | DRV_EXACT, ILEVEL_0, se_hdlc_create
158 },
159 { "ppm", "ddi_ppm", NULL,
160 TYPE_EXACT, ILEVEL_0, ppm
161 },
162 { "pseudo", "ddi_pseudo", "gpio_87317",
163 TYPE_EXACT | DRV_EXACT, ILEVEL_0, gpio
164 },
165 { "pseudo", "ddi_pseudo", "sckmdrv",
166 TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
167 },
168 { "pseudo", "ddi_pseudo", "oplkmdrv",
169 TYPE_EXACT | DRV_RE, ILEVEL_0, kmdrv_create,
170 },
171 { "av", "^ddi_av:(isoch|async)$", NULL,
172 TYPE_RE, ILEVEL_0, av_create,
173 },
174 { "pseudo", "ddi_pseudo", "tsalarm",
175 TYPE_EXACT | DRV_RE, ILEVEL_0, tsalarm_create,
176 },
177 { "pseudo", "ddi_pseudo", "ntwdt",
178 TYPE_EXACT | DRV_RE, ILEVEL_0, ntwdt_create,
179 },
180 { "pseudo", "ddi_pseudo", "daplt",
181 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
182 },
183 { "pseudo", "ddi_pseudo", "zcons",
184 TYPE_EXACT | DRV_EXACT, ILEVEL_0, zcons_create,
185 },
186 { "pseudo", "ddi_pseudo", CPUID_DRIVER_NAME,
187 TYPE_EXACT | DRV_EXACT, ILEVEL_0, cpuid,
188 },
189 { "pseudo", "ddi_pseudo", "glvc",
190 TYPE_EXACT | DRV_EXACT, ILEVEL_0, glvc,
191 },
192 { "pseudo", "ddi_pseudo", "dm2s",
193 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name,
194 },
195 { "pseudo", "ddi_pseudo", "nsmb",
196 TYPE_EXACT | DRV_EXACT, ILEVEL_1, minor_name,
197 },
198 { "pseudo", "ddi_pseudo", "mem_cache",
199 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
200 },
201 { "pseudo", "ddi_pseudo", "fm",
202 TYPE_EXACT | DRV_RE, ILEVEL_1, minor_name,
203 },
204 { "pseudo", "ddi_pseudo", "smbsrv",
205 TYPE_EXACT | DRV_EXACT, ILEVEL_1, minor_name,
206 },
207 { "pseudo", "ddi_pseudo", "tpm",
208 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
209 },
210 { "pseudo", "ddi_pseudo", "overlay",
211 TYPE_EXACT | DRV_EXACT, ILEVEL_0, minor_name
212 },
213 { "9p", "ddi_pseudo", "vio9p",
214 TYPE_EXACT | DRV_EXACT, ILEVEL_0, vio9p_create,
215 },
216 };
217
218 DEVFSADM_CREATE_INIT_V0(misc_cbt);
219
220 static devfsadm_remove_t misc_remove_cbt[] = {
221 { "pseudo", "^profile$",
222 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
223 },
224 { "pseudo", "^rsm$",
225 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
226 },
227 { "printer", "^printers/[0-9]+$",
228 RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
229 },
230 { "av", "^av/[0-9]+/(async|isoch)$",
231 RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
232 },
233 { "pseudo", "^daplt$",
234 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
235 },
236 { "pseudo", "^zcons/" ZONENAME_REGEXP "/(" ZCONS_MANAGER_NAME "|"
237 ZCONS_SUBSIDIARY_NAME ")$",
238 RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
239 },
240 { "pseudo", "^" CPUID_SELF_NAME "$", RM_ALWAYS | RM_PRE | RM_HOT,
241 ILEVEL_0, devfsadm_rm_all
242 },
243 { "enclosure", "^es/ses[0-9]+$", RM_POST,
244 ILEVEL_0, devfsadm_rm_all
245 },
246 { "pseudo", "^pfil$",
247 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
248 },
249 { "pseudo", "^tpm$",
250 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
251 },
252 { "pseudo", "^sctp|sctp6$",
253 RM_PRE | RM_ALWAYS, ILEVEL_0, devfsadm_rm_link
254 },
255 { "9p", "^9p/[0-9]+$",
256 RM_PRE | RM_HOT | RM_ALWAYS, ILEVEL_0, devfsadm_rm_all
257 },
258 };
259
260 /* Rules for gpio devices */
261 static devfsadm_enumerate_t gpio_rules[1] =
262 {"^gpio([0-9]+)$", 1, MATCH_ALL};
263
264 DEVFSADM_REMOVE_INIT_V0(misc_remove_cbt);
265
266 /*
267 * Handles minor node type "ddi_display".
268 *
269 * type=ddi_display fbs/\M0 fb\N0
270 */
271 static int
display(di_minor_t minor,di_node_t node)272 display(di_minor_t minor, di_node_t node)
273 {
274 char l_path[PATH_MAX + 1], contents[PATH_MAX + 1], *buf;
275 devfsadm_enumerate_t rules[1] = {"^fb([0-9]+)$", 1, MATCH_ALL};
276 char *mn = di_minor_name(minor);
277
278 /* create fbs/\M0 primary link */
279 (void) strcpy(l_path, "fbs/");
280 (void) strcat(l_path, mn);
281 (void) devfsadm_mklink(l_path, node, minor, 0);
282
283 /* create fb\N0 which links to fbs/\M0 */
284 if (devfsadm_enumerate_int(l_path, 0, &buf, rules, 1)) {
285 return (DEVFSADM_CONTINUE);
286 }
287 (void) strcpy(contents, l_path);
288 (void) strcpy(l_path, "fb");
289 (void) strcat(l_path, buf);
290 free(buf);
291 (void) devfsadm_secondary_link(l_path, contents, 0);
292 return (DEVFSADM_CONTINUE);
293 }
294
295 /*
296 * Handles minor node type "ddi_parallel".
297 * type=ddi_parallel;name=mcpp mcpp\N0
298 */
299 static int
parallel(di_minor_t minor,di_node_t node)300 parallel(di_minor_t minor, di_node_t node)
301 {
302 char path[PATH_MAX + 1], *buf;
303 devfsadm_enumerate_t rules[1] = {"mcpp([0-9]+)$", 1, MATCH_ALL};
304
305
306 if (strcmp(di_node_name(node), "mcpp") != 0) {
307 return (DEVFSADM_CONTINUE);
308 }
309
310 if (NULL == (buf = di_devfs_path(node))) {
311 return (DEVFSADM_CONTINUE);
312 }
313
314 (void) snprintf(path, sizeof (path), "%s:%s",
315 buf, di_minor_name(minor));
316
317 di_devfs_path_free(buf);
318
319 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
320 return (DEVFSADM_CONTINUE);
321 }
322 (void) snprintf(path, sizeof (path), "mcpp%s", buf);
323 free(buf);
324
325 (void) devfsadm_mklink(path, node, minor, 0);
326 return (DEVFSADM_CONTINUE);
327 }
328
329 static int
ses_callback(di_minor_t minor,di_node_t node)330 ses_callback(di_minor_t minor, di_node_t node)
331 {
332 char l_path[PATH_MAX];
333 char *buf;
334 char *devfspath;
335 char p_path[PATH_MAX];
336 devfsadm_enumerate_t re[] = {"^es$/^ses([0-9]+)$", 1, MATCH_ALL};
337
338 /* find devices path -- need to free mem */
339 if (NULL == (devfspath = di_devfs_path(node))) {
340 return (DEVFSADM_CONTINUE);
341 }
342
343 (void) snprintf(p_path, sizeof (p_path), "%s:%s", devfspath,
344 di_minor_name(minor));
345
346
347 /* find next number to use; buf is an ascii number */
348 if (devfsadm_enumerate_int(p_path, 0, &buf, re, 1)) {
349 /* free memory */
350 di_devfs_path_free(devfspath);
351 return (DEVFSADM_CONTINUE);
352 }
353
354 (void) snprintf(l_path, sizeof (l_path), "es/ses%s", buf);
355
356 (void) devfsadm_mklink(l_path, node, minor, 0);
357 /* free memory */
358 free(buf);
359 di_devfs_path_free(devfspath);
360 return (DEVFSADM_CONTINUE);
361
362 }
363
364 static int
node_slash_minor(di_minor_t minor,di_node_t node)365 node_slash_minor(di_minor_t minor, di_node_t node)
366 {
367
368 char path[PATH_MAX + 1];
369
370 (void) strcpy(path, di_node_name(node));
371 (void) strcat(path, "/");
372 (void) strcat(path, di_minor_name(minor));
373 (void) devfsadm_mklink(path, node, minor, 0);
374 return (DEVFSADM_CONTINUE);
375 }
376
377 static int
driver_minor(di_minor_t minor,di_node_t node)378 driver_minor(di_minor_t minor, di_node_t node)
379 {
380 char path[PATH_MAX + 1];
381
382 (void) strcpy(path, di_driver_name(node));
383 (void) strcat(path, di_minor_name(minor));
384 (void) devfsadm_mklink(path, node, minor, 0);
385 return (DEVFSADM_CONTINUE);
386 }
387
388 /*
389 * Handles links of the form:
390 * type=ddi_pseudo;name=xyz \D
391 */
392 static int
node_name(di_minor_t minor,di_node_t node)393 node_name(di_minor_t minor, di_node_t node)
394 {
395 (void) devfsadm_mklink(di_node_name(node), node, minor, 0);
396 return (DEVFSADM_CONTINUE);
397 }
398
399 /*
400 * Handles links of the form:
401 * type=ddi_pseudo;name=xyz \M0
402 */
403 static int
minor_name(di_minor_t minor,di_node_t node)404 minor_name(di_minor_t minor, di_node_t node)
405 {
406 char *mn = di_minor_name(minor);
407
408 (void) devfsadm_mklink(mn, node, minor, 0);
409 if (strcmp(mn, "icmp") == 0) {
410 (void) devfsadm_mklink("rawip", node, minor, 0);
411 }
412 if (strcmp(mn, "icmp6") == 0) {
413 (void) devfsadm_mklink("rawip6", node, minor, 0);
414 }
415 if (strcmp(mn, "ipf") == 0) {
416 (void) devfsadm_mklink("ipl", node, minor, 0);
417 }
418 return (DEVFSADM_CONTINUE);
419 }
420
421 /*
422 * create links at /dev/wifi for wifi minor node
423 */
424 static int
wifi_minor_name(di_minor_t minor,di_node_t node)425 wifi_minor_name(di_minor_t minor, di_node_t node)
426 {
427 char buf[256];
428 char *mn = di_minor_name(minor);
429
430 (void) snprintf(buf, sizeof (buf), "%s%s", "wifi/", mn);
431 (void) devfsadm_mklink(buf, node, minor, 0);
432
433 return (DEVFSADM_CONTINUE);
434 }
435
436 static int
conskbd(di_minor_t minor,di_node_t node)437 conskbd(di_minor_t minor, di_node_t node)
438 {
439 (void) devfsadm_mklink("kbd", node, minor, 0);
440 return (DEVFSADM_CONTINUE);
441 }
442
443 static int
consms(di_minor_t minor,di_node_t node)444 consms(di_minor_t minor, di_node_t node)
445 {
446 (void) devfsadm_mklink("mouse", node, minor, 0);
447 return (DEVFSADM_CONTINUE);
448 }
449
450 static int
power_button(di_minor_t minor,di_node_t node)451 power_button(di_minor_t minor, di_node_t node)
452 {
453 (void) devfsadm_mklink("power_button", node, minor, 0);
454 return (DEVFSADM_CONTINUE);
455 }
456
457 static int
fc_port(di_minor_t minor,di_node_t node)458 fc_port(di_minor_t minor, di_node_t node)
459 {
460 devfsadm_enumerate_t rules[1] = {"fc/fp([0-9]+)$", 1, MATCH_ALL};
461 char *buf, path[PATH_MAX + 1];
462 char *ptr;
463
464 if (NULL == (ptr = di_devfs_path(node))) {
465 return (DEVFSADM_CONTINUE);
466 }
467
468 (void) strcpy(path, ptr);
469 (void) strcat(path, ":");
470 (void) strcat(path, di_minor_name(minor));
471
472 di_devfs_path_free(ptr);
473
474 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
475 return (DEVFSADM_CONTINUE);
476 }
477
478 (void) strcpy(path, "fc/fp");
479 (void) strcat(path, buf);
480 free(buf);
481
482 (void) devfsadm_mklink(path, node, minor, 0);
483 return (DEVFSADM_CONTINUE);
484 }
485
486 /*
487 * Handles:
488 * minor node type "ddi_printer".
489 * rules of the form: type=ddi_printer;name=bpp \M0
490 */
491 static int
printer_create(di_minor_t minor,di_node_t node)492 printer_create(di_minor_t minor, di_node_t node)
493 {
494 char *mn;
495 char path[PATH_MAX + 1], *buf;
496 devfsadm_enumerate_t rules[1] = {"^printers$/^([0-9]+)$", 1, MATCH_ALL};
497
498 mn = di_minor_name(minor);
499
500 if (strcmp(di_driver_name(node), "bpp") == 0) {
501 (void) devfsadm_mklink(mn, node, minor, 0);
502 }
503
504 if (NULL == (buf = di_devfs_path(node))) {
505 return (DEVFSADM_CONTINUE);
506 }
507
508 (void) snprintf(path, sizeof (path), "%s:%s", buf, mn);
509 di_devfs_path_free(buf);
510
511 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
512 return (DEVFSADM_CONTINUE);
513 }
514
515 (void) snprintf(path, sizeof (path), "printers/%s", buf);
516 free(buf);
517
518 (void) devfsadm_mklink(path, node, minor, 0);
519
520 return (DEVFSADM_CONTINUE);
521 }
522
523 /*
524 * Handles links of the form:
525 * type=ddi_pseudo;name=se;minor2=hdlc se_hdlc\N0
526 * type=ddi_pseudo;name=serial;minor2=hdlc se_hdlc\N0
527 */
528 static int
se_hdlc_create(di_minor_t minor,di_node_t node)529 se_hdlc_create(di_minor_t minor, di_node_t node)
530 {
531 devfsadm_enumerate_t rules[1] = {"^se_hdlc([0-9]+)$", 1, MATCH_ALL};
532 char *buf, path[PATH_MAX + 1];
533 char *ptr;
534 char *mn;
535
536 mn = di_minor_name(minor);
537
538 /* minor node should be of the form: "?,hdlc" */
539 if (strcmp(mn + 1, ",hdlc") != 0) {
540 return (DEVFSADM_CONTINUE);
541 }
542
543 if (NULL == (ptr = di_devfs_path(node))) {
544 return (DEVFSADM_CONTINUE);
545 }
546
547 (void) strcpy(path, ptr);
548 (void) strcat(path, ":");
549 (void) strcat(path, mn);
550
551 di_devfs_path_free(ptr);
552
553 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1) != 0) {
554 return (DEVFSADM_CONTINUE);
555 }
556
557 (void) strcpy(path, "se_hdlc");
558 (void) strcat(path, buf);
559 free(buf);
560
561 (void) devfsadm_mklink(path, node, minor, 0);
562
563 return (DEVFSADM_CONTINUE);
564 }
565
566 static int
gpio(di_minor_t minor,di_node_t node)567 gpio(di_minor_t minor, di_node_t node)
568 {
569 char l_path[PATH_MAX], p_path[PATH_MAX], *buf, *devfspath;
570 char *minor_nm, *drvr_nm;
571
572
573 minor_nm = di_minor_name(minor);
574 drvr_nm = di_driver_name(node);
575 if ((minor_nm == NULL) || (drvr_nm == NULL)) {
576 return (DEVFSADM_CONTINUE);
577 }
578
579 devfspath = di_devfs_path(node);
580
581 (void) strcpy(p_path, devfspath);
582 (void) strcat(p_path, ":");
583 (void) strcat(p_path, minor_nm);
584 di_devfs_path_free(devfspath);
585
586 /* build the physical path from the components */
587 if (devfsadm_enumerate_int(p_path, 0, &buf, gpio_rules, 1)) {
588 return (DEVFSADM_CONTINUE);
589 }
590
591 (void) snprintf(l_path, sizeof (l_path), "%s%s", "gpio", buf);
592
593 free(buf);
594
595 (void) devfsadm_mklink(l_path, node, minor, 0);
596
597 return (DEVFSADM_CONTINUE);
598 }
599
600 /*
601 * Creates /dev/ppm nodes for Platform Specific PM module
602 */
603 static int
ppm(di_minor_t minor,di_node_t node)604 ppm(di_minor_t minor, di_node_t node)
605 {
606 (void) devfsadm_mklink("ppm", node, minor, 0);
607 return (DEVFSADM_CONTINUE);
608 }
609
610 /*
611 * Handles:
612 * /dev/av/[0-9]+/(async|isoch)
613 */
614 static int
av_create(di_minor_t minor,di_node_t node)615 av_create(di_minor_t minor, di_node_t node)
616 {
617 devfsadm_enumerate_t rules[1] = {"^av$/^([0-9]+)$", 1, MATCH_ADDR};
618 char *minor_str;
619 char path[PATH_MAX + 1];
620 char *buf;
621
622 if ((buf = di_devfs_path(node)) == NULL) {
623 return (DEVFSADM_CONTINUE);
624 }
625
626 minor_str = di_minor_name(minor);
627 (void) snprintf(path, sizeof (path), "%s:%s", buf, minor_str);
628 di_devfs_path_free(buf);
629
630 if (devfsadm_enumerate_int(path, 0, &buf, rules, 1)) {
631 return (DEVFSADM_CONTINUE);
632 }
633
634 (void) snprintf(path, sizeof (path), "av/%s/%s", buf, minor_str);
635 free(buf);
636
637 (void) devfsadm_mklink(path, node, minor, 0);
638
639 return (DEVFSADM_CONTINUE);
640 }
641
642 /*
643 * Create device nodes for Virtio 9P channels:
644 * /dev/9p/[0-9]+
645 */
646 static int
vio9p_create(di_minor_t minor,di_node_t node)647 vio9p_create(di_minor_t minor, di_node_t node)
648 {
649 char *minor_name = di_minor_name(minor);
650 char path[PATH_MAX + 1];
651
652 if (minor_name == NULL || strcmp(minor_name, "9p") != 0) {
653 return (DEVFSADM_CONTINUE);
654 }
655
656 (void) snprintf(path, sizeof (path), "9p/%d", di_instance(node));
657 (void) devfsadm_mklink(path, node, minor, 0);
658
659 return (DEVFSADM_CONTINUE);
660 }
661
662 /*
663 * Creates /dev/lom and /dev/tsalarm:ctl for tsalarm node
664 */
665 static int
tsalarm_create(di_minor_t minor,di_node_t node)666 tsalarm_create(di_minor_t minor, di_node_t node)
667 {
668 char buf[PATH_MAX + 1];
669 char *mn = di_minor_name(minor);
670
671 (void) snprintf(buf, sizeof (buf), "%s%s", di_node_name(node), ":ctl");
672
673 (void) devfsadm_mklink(mn, node, minor, 0);
674 (void) devfsadm_mklink(buf, node, minor, 0);
675
676 return (DEVFSADM_CONTINUE);
677 }
678
679 /*
680 * Creates /dev/ntwdt for ntwdt node
681 */
682 static int
ntwdt_create(di_minor_t minor,di_node_t node)683 ntwdt_create(di_minor_t minor, di_node_t node)
684 {
685 (void) devfsadm_mklink("ntwdt", node, minor, 0);
686 return (DEVFSADM_CONTINUE);
687 }
688
689 static int
zcons_create(di_minor_t minor,di_node_t node)690 zcons_create(di_minor_t minor, di_node_t node)
691 {
692 char *minor_str;
693 char *zonename;
694 char path[MAXPATHLEN];
695
696 minor_str = di_minor_name(minor);
697
698 if (di_prop_lookup_strings(DDI_DEV_T_ANY, node, "zonename",
699 &zonename) == -1) {
700 return (DEVFSADM_CONTINUE);
701 }
702
703 (void) snprintf(path, sizeof (path), "zcons/%s/%s", zonename,
704 minor_str);
705 (void) devfsadm_mklink(path, node, minor, 0);
706
707 return (DEVFSADM_CONTINUE);
708 }
709
710 /*
711 * /dev/cpu/self/cpuid -> /devices/pseudo/cpuid@0:self
712 */
713 static int
cpuid(di_minor_t minor,di_node_t node)714 cpuid(di_minor_t minor, di_node_t node)
715 {
716 (void) devfsadm_mklink(CPUID_SELF_NAME, node, minor, 0);
717 return (DEVFSADM_CONTINUE);
718 }
719
720 /*
721 * For device
722 * /dev/spfma -> /devices/virtual-devices/fma@5:glvc
723 */
724 static int
glvc(di_minor_t minor,di_node_t node)725 glvc(di_minor_t minor, di_node_t node)
726 {
727 char node_name[MAXNAMELEN + 1];
728
729 (void) strcpy(node_name, di_node_name(node));
730
731 if (strncmp(node_name, "fma", 3) == 0) {
732 /* Only one fma channel */
733 (void) devfsadm_mklink("spfma", node, minor, 0);
734 }
735 return (DEVFSADM_CONTINUE);
736 }
737
738 /*
739 * Handles links of the form:
740 * type=ddi_pseudo;name=sckmdrv kmdrv\M0
741 * type=ddi_pseudo;name=oplkmdrv kmdrv\M0
742 */
743 static int
kmdrv_create(di_minor_t minor,di_node_t node)744 kmdrv_create(di_minor_t minor, di_node_t node)
745 {
746
747 (void) devfsadm_mklink("kmdrv", node, minor, 0);
748 return (DEVFSADM_CONTINUE);
749 }
750