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eb1f0e66 KS |
1 | /* |
2 | * libudev - interface to udev device information | |
3 | * | |
4 | * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "config.h" | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <stddef.h> | |
25 | #include <unistd.h> | |
26 | #include <errno.h> | |
27 | #include <string.h> | |
28 | #include <dirent.h> | |
29 | #include <sys/stat.h> | |
30 | ||
31 | #include "libudev.h" | |
32 | #include "libudev-private.h" | |
eb1f0e66 | 33 | |
11d543c1 KS |
34 | struct udev_device { |
35 | int refcount; | |
36 | struct udev *udev; | |
11d543c1 | 37 | char *syspath; |
4ad3a37f KS |
38 | const char *devpath; |
39 | const char *sysname; | |
11d543c1 KS |
40 | char *devname; |
41 | char *subsystem; | |
42 | struct list_head link_list; | |
43 | struct list_head env_list; | |
c4f5f942 KS |
44 | char *action; |
45 | char *driver; | |
46 | char *devpath_old; | |
47 | char *physdevpath; | |
48 | int timeout; | |
49 | dev_t devnum; | |
6bd1c78a KS |
50 | unsigned long long int seqnum; |
51 | int num_fake_partitions; | |
e88a82b5 | 52 | int devlink_priority; |
6bd1c78a | 53 | int ignore_remove; |
11d543c1 KS |
54 | }; |
55 | ||
e88a82b5 KS |
56 | static size_t devpath_to_db_path(struct udev *udev, const char *devpath, char *filename, size_t len) |
57 | { | |
58 | size_t start; | |
59 | ||
60 | /* translate to location of db file */ | |
3eb46ec6 KS |
61 | util_strlcpy(filename, udev_get_dev_path(udev), len); |
62 | start = util_strlcat(filename, "/.udev/db/", len); | |
63 | util_strlcat(filename, devpath, len); | |
7a01f11a | 64 | return util_path_encode(&filename[start], len - start); |
e88a82b5 KS |
65 | } |
66 | ||
67 | static int device_read_db(struct udev_device *udev_device) | |
68 | { | |
69 | struct stat stats; | |
3eb46ec6 KS |
70 | char filename[UTIL_PATH_SIZE]; |
71 | char line[UTIL_LINE_SIZE]; | |
e88a82b5 KS |
72 | FILE *f; |
73 | int rc = 0; | |
74 | ||
75 | devpath_to_db_path(udev_device->udev, udev_device->devpath, filename, sizeof(filename)); | |
76 | ||
77 | if (lstat(filename, &stats) != 0) { | |
78 | info(udev_device->udev, "no db file to read %s: %s\n", filename, strerror(errno)); | |
79 | return -1; | |
80 | } | |
81 | if ((stats.st_mode & S_IFMT) == S_IFLNK) { | |
3eb46ec6 | 82 | char target[UTIL_PATH_SIZE]; |
e88a82b5 KS |
83 | int target_len; |
84 | ||
85 | info(udev_device->udev, "found a symlink as db file\n"); | |
86 | target_len = readlink(filename, target, sizeof(target)); | |
87 | if (target_len > 0) | |
88 | target[target_len] = '\0'; | |
89 | else { | |
90 | info(udev_device->udev, "error reading db link %s: %s\n", filename, strerror(errno)); | |
91 | return -1; | |
92 | } | |
93 | dbg(udev_device->udev, "db link points to '%s'\n", target); | |
94 | if (asprintf(&udev_device->devname, "%s/%s", udev_get_dev_path(udev_device->udev), target) < 0) | |
95 | return -ENOMEM; | |
96 | return 0; | |
97 | } | |
98 | ||
99 | f = fopen(filename, "r"); | |
100 | if (f == NULL) { | |
101 | info(udev_device->udev, "error reading db file %s: %s\n", filename, strerror(errno)); | |
102 | return -1; | |
103 | } | |
104 | while (fgets(line, sizeof(line), f)) { | |
105 | ssize_t len; | |
106 | const char *val; | |
107 | unsigned int maj, min; | |
108 | ||
109 | len = strlen(line); | |
110 | if (len < 4) | |
111 | break; | |
112 | line[len-1] = '\0'; | |
113 | val = &line[2]; | |
114 | ||
115 | switch(line[0]) { | |
116 | case 'N': | |
117 | asprintf(&udev_device->devname, "%s/%s", udev_get_dev_path(udev_device->udev), val); | |
118 | break; | |
119 | case 'M': | |
120 | sscanf(val, "%u:%u", &maj, &min); | |
121 | device_set_devnum(udev_device, makedev(maj, min)); | |
122 | break; | |
123 | case 'S': | |
3eb46ec6 KS |
124 | util_strlcpy(filename, udev_get_dev_path(udev_device->udev), sizeof(filename)); |
125 | util_strlcat(filename, "/", sizeof(filename)); | |
126 | util_strlcat(filename, val, sizeof(filename)); | |
e88a82b5 KS |
127 | device_add_devlink(udev_device, filename); |
128 | break; | |
129 | case 'L': | |
130 | device_set_devlink_priority(udev_device, atoi(val)); | |
131 | break; | |
132 | case 'T': | |
133 | device_set_timeout(udev_device, atoi(val)); | |
134 | break; | |
135 | case 'A': | |
136 | device_set_num_fake_partitions(udev_device, atoi(val)); | |
137 | break; | |
138 | case 'R': | |
139 | device_set_ignore_remove(udev_device, atoi(val)); | |
140 | break; | |
141 | case 'E': | |
142 | device_add_property(udev_device, val); | |
143 | break; | |
144 | } | |
145 | } | |
146 | fclose(f); | |
147 | ||
148 | return rc; | |
149 | } | |
150 | ||
ba6929f6 | 151 | struct udev_device *device_init(struct udev *udev) |
eb1f0e66 KS |
152 | { |
153 | struct udev_device *udev_device; | |
154 | ||
ba6929f6 KS |
155 | if (udev == NULL) |
156 | return NULL; | |
157 | ||
eb1f0e66 KS |
158 | udev_device = malloc(sizeof(struct udev_device)); |
159 | if (udev_device == NULL) | |
160 | return NULL; | |
161 | memset(udev_device, 0x00, sizeof(struct udev_device)); | |
162 | udev_device->refcount = 1; | |
163 | udev_device->udev = udev; | |
ba6929f6 KS |
164 | INIT_LIST_HEAD(&udev_device->link_list); |
165 | INIT_LIST_HEAD(&udev_device->env_list); | |
7d563a17 | 166 | info(udev_device->udev, "udev_device: %p created\n", udev_device); |
eb1f0e66 KS |
167 | return udev_device; |
168 | } | |
169 | ||
170 | /** | |
171 | * udev_device_new_from_devpath: | |
172 | * @udev: udev library context | |
173 | * @devpath: sys device path | |
174 | * | |
175 | * Create new udev device, and fill in information from the sysfs | |
176 | * device and the udev database entry. The devpath must not contain | |
177 | * the sysfs mount path, and must contain a leading '/'. | |
178 | * | |
179 | * The initial refcount is 1, and needs to be decremented to | |
180 | * release the ressources of the udev device. | |
181 | * | |
182 | * Returns: a new udev device, or #NULL, if it does not exist | |
183 | **/ | |
184 | struct udev_device *udev_device_new_from_devpath(struct udev *udev, const char *devpath) | |
185 | { | |
3eb46ec6 | 186 | char path[UTIL_PATH_SIZE]; |
eb1f0e66 KS |
187 | struct stat statbuf; |
188 | struct udev_device *udev_device; | |
eb1f0e66 | 189 | |
ba6929f6 KS |
190 | if (udev == NULL) |
191 | return NULL; | |
192 | if (devpath == NULL) | |
193 | return NULL; | |
194 | ||
3eb46ec6 KS |
195 | util_strlcpy(path, udev_get_sys_path(udev), sizeof(path)); |
196 | util_strlcat(path, devpath, sizeof(path)); | |
4ad3a37f KS |
197 | util_strlcat(path, "/uevent", sizeof(path)); |
198 | if (stat(path, &statbuf) != 0) { | |
199 | info(udev, "not a device :%s\n", path); | |
eb1f0e66 | 200 | return NULL; |
4ad3a37f | 201 | } |
eb1f0e66 KS |
202 | |
203 | udev_device = device_init(udev); | |
204 | if (udev_device == NULL) | |
205 | return NULL; | |
206 | ||
ba6929f6 | 207 | /* resolve possible symlink to real path */ |
3eb46ec6 | 208 | util_strlcpy(path, devpath, sizeof(path)); |
b21b95d7 | 209 | util_resolve_sys_link(udev, path, sizeof(path)); |
e88a82b5 | 210 | device_set_devpath(udev_device, path); |
7d563a17 | 211 | info(udev, "device %p has devpath '%s'\n", udev_device, udev_device_get_devpath(udev_device)); |
eb1f0e66 | 212 | |
e88a82b5 | 213 | if (device_read_db(udev_device) >= 0) |
7d563a17 | 214 | info(udev, "device %p filled with udev database data\n", udev_device); |
ba6929f6 | 215 | |
eb1f0e66 KS |
216 | return udev_device; |
217 | } | |
218 | ||
4ad3a37f KS |
219 | struct udev_device *udev_device_new_from_parent(struct udev_device *udev_device) |
220 | { | |
221 | struct udev_device *udev_device_parent = NULL; | |
222 | char path[UTIL_PATH_SIZE]; | |
223 | char *pos; | |
224 | ||
225 | if (udev_device == NULL) | |
226 | return NULL; | |
227 | ||
228 | util_strlcpy(path, udev_device_get_devpath(udev_device), sizeof(path)); | |
229 | while (1) { | |
230 | pos = strrchr(path, '/'); | |
231 | if (pos == NULL) | |
232 | break; | |
233 | pos[0] = '\0'; | |
234 | udev_device_parent = udev_device_new_from_devpath(udev_device->udev, path); | |
235 | if (udev_device_parent != NULL) | |
236 | break; | |
237 | } | |
238 | return udev_device_parent; | |
239 | } | |
240 | ||
eb1f0e66 KS |
241 | /** |
242 | * udev_device_get_udev: | |
7d8787b3 | 243 | * @udev_device: udev device |
eb1f0e66 KS |
244 | * |
245 | * Retrieve the udev library context the device was created with. | |
246 | * | |
247 | * Returns: the udev library context | |
248 | **/ | |
249 | struct udev *udev_device_get_udev(struct udev_device *udev_device) | |
250 | { | |
ba6929f6 KS |
251 | if (udev_device == NULL) |
252 | return NULL; | |
eb1f0e66 KS |
253 | return udev_device->udev; |
254 | } | |
255 | ||
256 | /** | |
257 | * udev_device_ref: | |
258 | * @udev_device: udev device | |
259 | * | |
260 | * Take a reference of a udev device. | |
261 | * | |
262 | * Returns: the passed udev device | |
263 | **/ | |
264 | struct udev_device *udev_device_ref(struct udev_device *udev_device) | |
265 | { | |
ba6929f6 KS |
266 | if (udev_device == NULL) |
267 | return NULL; | |
eb1f0e66 KS |
268 | udev_device->refcount++; |
269 | return udev_device; | |
270 | } | |
271 | ||
272 | /** | |
273 | * udev_device_unref: | |
274 | * @udev_device: udev device | |
275 | * | |
276 | * Drop a reference of a udev device. If the refcount reaches zero, | |
277 | * the ressources of the device will be released. | |
278 | * | |
279 | **/ | |
280 | void udev_device_unref(struct udev_device *udev_device) | |
281 | { | |
ba6929f6 KS |
282 | if (udev_device == NULL) |
283 | return; | |
eb1f0e66 KS |
284 | udev_device->refcount--; |
285 | if (udev_device->refcount > 0) | |
286 | return; | |
11d543c1 | 287 | free(udev_device->syspath); |
ba6929f6 KS |
288 | free(udev_device->devname); |
289 | free(udev_device->subsystem); | |
7a01f11a KS |
290 | util_name_list_cleanup(udev_device->udev, &udev_device->link_list); |
291 | util_name_list_cleanup(udev_device->udev, &udev_device->env_list); | |
1c7047ea KS |
292 | free(udev_device->action); |
293 | free(udev_device->driver); | |
294 | free(udev_device->devpath_old); | |
295 | free(udev_device->physdevpath); | |
7d563a17 | 296 | info(udev_device->udev, "udev_device: %p released\n", udev_device); |
eb1f0e66 KS |
297 | free(udev_device); |
298 | } | |
299 | ||
300 | /** | |
301 | * udev_device_get_devpath: | |
302 | * @udev_device: udev device | |
303 | * | |
11d543c1 KS |
304 | * Retrieve the kernel devpath value of the udev device. The path |
305 | * does not contain the sys mount point, and starts with a '/'. | |
eb1f0e66 | 306 | * |
11d543c1 | 307 | * Returns: the devpath of the udev device |
eb1f0e66 KS |
308 | **/ |
309 | const char *udev_device_get_devpath(struct udev_device *udev_device) | |
310 | { | |
ba6929f6 KS |
311 | if (udev_device == NULL) |
312 | return NULL; | |
313 | return udev_device->devpath; | |
eb1f0e66 KS |
314 | } |
315 | ||
11d543c1 KS |
316 | /** |
317 | * udev_device_get_syspath: | |
318 | * @udev_device: udev device | |
319 | * | |
320 | * Retrieve the sys path of the udev device. The path is an | |
321 | * absolute path and starts with the sys mount point. | |
322 | * | |
323 | * Returns: the sys path of the udev device | |
324 | **/ | |
325 | const char *udev_device_get_syspath(struct udev_device *udev_device) | |
326 | { | |
327 | if (udev_device == NULL) | |
328 | return NULL; | |
329 | return udev_device->syspath; | |
330 | } | |
331 | ||
4ad3a37f KS |
332 | const char *udev_device_get_sysname(struct udev_device *udev_device) |
333 | { | |
334 | if (udev_device == NULL) | |
335 | return NULL; | |
336 | return udev_device->sysname; | |
337 | } | |
338 | ||
eb1f0e66 KS |
339 | /** |
340 | * udev_device_get_devname: | |
341 | * @udev_device: udev device | |
342 | * | |
343 | * Retrieve the device node file name belonging to the udev device. | |
ba6929f6 | 344 | * The path is an absolute path, and starts with the device directory. |
eb1f0e66 KS |
345 | * |
346 | * Returns: the device node file name of the udev device, or #NULL if no device node exists | |
347 | **/ | |
348 | const char *udev_device_get_devname(struct udev_device *udev_device) | |
349 | { | |
ba6929f6 | 350 | if (udev_device == NULL) |
eb1f0e66 | 351 | return NULL; |
ba6929f6 | 352 | return udev_device->devname; |
eb1f0e66 KS |
353 | } |
354 | ||
355 | /** | |
356 | * udev_device_get_subsystem: | |
357 | * @udev_device: udev device | |
358 | * | |
359 | * Retrieve the subsystem string of the udev device. The string does not | |
360 | * contain any "/". | |
361 | * | |
362 | * Returns: the subsystem name of the udev device, or #NULL if it can not be determined | |
363 | **/ | |
364 | const char *udev_device_get_subsystem(struct udev_device *udev_device) | |
365 | { | |
17fcfb59 | 366 | char subsystem[UTIL_NAME_SIZE]; |
ba6929f6 KS |
367 | |
368 | if (udev_device == NULL) | |
369 | return NULL; | |
370 | if (udev_device->subsystem != NULL) | |
371 | return udev_device->subsystem; | |
372 | if (util_get_sys_subsystem(udev_device->udev, udev_device->devpath, subsystem, sizeof(subsystem)) < 2) | |
eb1f0e66 | 373 | return NULL; |
ba6929f6 KS |
374 | udev_device->subsystem = strdup(subsystem); |
375 | return udev_device->subsystem; | |
eb1f0e66 KS |
376 | } |
377 | ||
378 | /** | |
379 | * udev_device_get_devlinks: | |
380 | * @udev_device: udev device | |
381 | * @cb: function to be called for every device link found | |
382 | * @data: data to be passed to the function | |
383 | * | |
384 | * Retrieve the device links pointing to the device file of the | |
385 | * udev device. For every device link, the passed function will be | |
ba6929f6 KS |
386 | * called with the device link string. |
387 | * The path is an absolute path, and starts with the device directory. | |
388 | * If the function returns 1, remaning device links will be ignored. | |
eb1f0e66 KS |
389 | * |
390 | * Returns: the number of device links passed to the caller, or a negative value on error | |
391 | **/ | |
392 | int udev_device_get_devlinks(struct udev_device *udev_device, | |
393 | int (*cb)(struct udev_device *udev_device, const char *value, void *data), | |
394 | void *data) | |
395 | { | |
3eb46ec6 | 396 | struct util_name_entry *name_loop; |
eb1f0e66 KS |
397 | int count = 0; |
398 | ||
ba6929f6 KS |
399 | if (udev_device == NULL) |
400 | return -1; | |
401 | list_for_each_entry(name_loop, &udev_device->link_list, node) { | |
eb1f0e66 KS |
402 | count++; |
403 | if (cb(udev_device, name_loop->name, data) != 0) | |
404 | break; | |
405 | } | |
406 | return count; | |
407 | } | |
408 | ||
409 | /** | |
410 | * udev_device_get_properties: | |
411 | * @udev_device: udev device | |
412 | * @cb: function to be called for every property found | |
413 | * @data: data to be passed to the function | |
414 | * | |
415 | * Retrieve the property key/value pairs belonging to the | |
416 | * udev device. For every key/value pair, the passed function will be | |
417 | * called. If the function returns 1, remaning properties will be | |
418 | * ignored. | |
419 | * | |
420 | * Returns: the number of properties passed to the caller, or a negative value on error | |
421 | **/ | |
422 | int udev_device_get_properties(struct udev_device *udev_device, | |
423 | int (*cb)(struct udev_device *udev_device, const char *key, const char *value, void *data), | |
424 | void *data) | |
425 | { | |
3eb46ec6 | 426 | struct util_name_entry *name_loop; |
eb1f0e66 KS |
427 | int count = 0; |
428 | ||
ba6929f6 KS |
429 | if (udev_device == NULL) |
430 | return -1; | |
431 | list_for_each_entry(name_loop, &udev_device->env_list, node) { | |
17fcfb59 | 432 | char name[UTIL_NAME_SIZE]; |
eb1f0e66 KS |
433 | char *val; |
434 | ||
3eb46ec6 | 435 | strncpy(name, name_loop->name, sizeof(name)); |
eb1f0e66 KS |
436 | val = strchr(name, '='); |
437 | if (val == NULL) | |
438 | continue; | |
439 | val[0] = '\0'; | |
440 | val = &val[1]; | |
ba6929f6 | 441 | count++; |
eb1f0e66 KS |
442 | if (cb(udev_device, name, val, data) != 0) |
443 | break; | |
444 | } | |
445 | return count; | |
446 | } | |
11d543c1 | 447 | |
c4f5f942 KS |
448 | const char *udev_device_get_driver(struct udev_device *udev_device) |
449 | { | |
17fcfb59 | 450 | char driver[UTIL_NAME_SIZE]; |
95d90c4f | 451 | |
c4f5f942 KS |
452 | if (udev_device == NULL) |
453 | return NULL; | |
95d90c4f KS |
454 | if (udev_device->driver != NULL) |
455 | return udev_device->driver; | |
456 | if (util_get_sys_driver(udev_device->udev, udev_device->devpath, driver, sizeof(driver)) < 2) | |
457 | return NULL; | |
458 | udev_device->driver = strdup(driver); | |
c4f5f942 KS |
459 | return udev_device->driver; |
460 | } | |
461 | ||
462 | dev_t udev_device_get_devnum(struct udev_device *udev_device) | |
463 | { | |
464 | if (udev_device == NULL) | |
465 | return makedev(0, 0); | |
466 | return udev_device->devnum; | |
467 | } | |
468 | ||
469 | const char *udev_device_get_action(struct udev_device *udev_device) | |
470 | { | |
471 | if (udev_device == NULL) | |
472 | return NULL; | |
473 | return udev_device->action; | |
474 | } | |
475 | ||
37372bbc KS |
476 | unsigned long long int udev_device_get_seqnum(struct udev_device *udev_device) |
477 | { | |
478 | if (udev_device == NULL) | |
479 | return 0; | |
480 | return udev_device->seqnum; | |
481 | } | |
482 | ||
11d543c1 KS |
483 | int device_set_devpath(struct udev_device *udev_device, const char *devpath) |
484 | { | |
485 | if (asprintf(&udev_device->syspath, "%s%s", udev_get_sys_path(udev_device->udev), devpath) < 0) | |
486 | return -ENOMEM; | |
487 | udev_device->devpath = &udev_device->syspath[strlen(udev_get_sys_path(udev_device->udev))]; | |
4ad3a37f KS |
488 | udev_device->sysname = strrchr(udev_device->syspath, '/'); |
489 | if (udev_device->sysname != NULL) | |
490 | udev_device->sysname = &udev_device->sysname[1]; | |
11d543c1 KS |
491 | return 0; |
492 | } | |
493 | ||
494 | int device_set_subsystem(struct udev_device *udev_device, const char *subsystem) | |
495 | { | |
496 | udev_device->subsystem = strdup(subsystem); | |
497 | if (udev_device->subsystem == NULL) | |
498 | return -1; | |
499 | return 0; | |
500 | } | |
501 | ||
502 | int device_set_devname(struct udev_device *udev_device, const char *devname) | |
503 | { | |
504 | udev_device->devname = strdup(devname); | |
505 | if (udev_device->devname == NULL) | |
506 | return -ENOMEM; | |
507 | return 0; | |
508 | } | |
509 | ||
510 | int device_add_devlink(struct udev_device *udev_device, const char *devlink) | |
511 | { | |
7a01f11a | 512 | if (util_name_list_add(udev_device->udev, &udev_device->link_list, devlink, 0) == NULL) |
11d543c1 KS |
513 | return -ENOMEM; |
514 | return 0; | |
515 | } | |
516 | ||
517 | int device_add_property(struct udev_device *udev_device, const char *property) | |
518 | { | |
7a01f11a | 519 | if (util_name_list_add(udev_device->udev, &udev_device->env_list, property, 0) == NULL) |
11d543c1 KS |
520 | return -ENOMEM; |
521 | return 0; | |
522 | } | |
c4f5f942 KS |
523 | |
524 | int device_set_action(struct udev_device *udev_device, const char *action) | |
525 | { | |
526 | udev_device->action = strdup(action); | |
527 | if (udev_device->action == NULL) | |
528 | return -ENOMEM; | |
529 | return 0; | |
530 | } | |
531 | ||
532 | int device_set_driver(struct udev_device *udev_device, const char *driver) | |
533 | { | |
534 | udev_device->driver = strdup(driver); | |
535 | if (udev_device->driver == NULL) | |
536 | return -ENOMEM; | |
537 | return 0; | |
538 | } | |
539 | ||
540 | const char *device_get_devpath_old(struct udev_device *udev_device) | |
541 | { | |
542 | if (udev_device == NULL) | |
543 | return NULL; | |
544 | return udev_device->devpath_old; | |
545 | } | |
546 | ||
547 | int device_set_devpath_old(struct udev_device *udev_device, const char *devpath_old) | |
548 | { | |
549 | udev_device->devpath_old = strdup(devpath_old); | |
550 | if (udev_device->devpath_old == NULL) | |
551 | return -ENOMEM; | |
552 | return 0; | |
553 | } | |
554 | ||
555 | const char *device_get_physdevpath(struct udev_device *udev_device) | |
556 | { | |
557 | if (udev_device == NULL) | |
558 | return NULL; | |
559 | return udev_device->physdevpath; | |
560 | } | |
561 | ||
562 | int device_set_physdevpath(struct udev_device *udev_device, const char *physdevpath) | |
563 | { | |
564 | udev_device->physdevpath = strdup(physdevpath); | |
565 | if (udev_device->physdevpath == NULL) | |
566 | return -ENOMEM; | |
567 | return 0; | |
568 | } | |
569 | ||
570 | int device_get_timeout(struct udev_device *udev_device) | |
571 | { | |
572 | if (udev_device == NULL) | |
573 | return -1; | |
574 | return udev_device->timeout; | |
575 | } | |
576 | ||
577 | int device_set_timeout(struct udev_device *udev_device, int timeout) | |
578 | { | |
579 | udev_device->timeout = timeout; | |
580 | return 0; | |
581 | } | |
582 | ||
37372bbc KS |
583 | int device_set_seqnum(struct udev_device *udev_device, unsigned long long int seqnum) |
584 | { | |
585 | udev_device->seqnum = seqnum; | |
586 | return 0; | |
587 | } | |
588 | ||
c4f5f942 KS |
589 | int device_set_devnum(struct udev_device *udev_device, dev_t devnum) |
590 | { | |
591 | udev_device->devnum = devnum; | |
592 | return 0; | |
593 | } | |
6bd1c78a KS |
594 | |
595 | int device_get_num_fake_partitions(struct udev_device *udev_device) | |
596 | { | |
597 | if (udev_device == NULL) | |
598 | return -1; | |
599 | return udev_device->num_fake_partitions; | |
600 | } | |
601 | ||
602 | int device_set_num_fake_partitions(struct udev_device *udev_device, int num) | |
603 | { | |
604 | udev_device->num_fake_partitions = num; | |
e88a82b5 | 605 | return 0; |
6bd1c78a KS |
606 | } |
607 | ||
e88a82b5 | 608 | int device_get_devlink_priority(struct udev_device *udev_device) |
6bd1c78a KS |
609 | { |
610 | if (udev_device == NULL) | |
611 | return -1; | |
e88a82b5 | 612 | return udev_device->devlink_priority; |
6bd1c78a KS |
613 | } |
614 | ||
e88a82b5 | 615 | int device_set_devlink_priority(struct udev_device *udev_device, int prio) |
6bd1c78a | 616 | { |
e88a82b5 KS |
617 | udev_device->devlink_priority = prio; |
618 | return 0; | |
6bd1c78a KS |
619 | } |
620 | ||
621 | int device_get_ignore_remove(struct udev_device *udev_device) | |
622 | { | |
623 | if (udev_device == NULL) | |
624 | return -1; | |
625 | return udev_device->ignore_remove; | |
626 | } | |
627 | ||
628 | int device_set_ignore_remove(struct udev_device *udev_device, int ignore) | |
629 | { | |
e88a82b5 KS |
630 | udev_device->ignore_remove = ignore; |
631 | return 0; | |
6bd1c78a | 632 | } |
e88a82b5 | 633 |