4 * Copyright (C) 2011 Kay Sievers <kay.sievers@vrfy.org>
5 * Copyright (C) 2011 ProFUSION embedded systems
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
34 static struct kmod_ctx *ctx;
36 static int load_module(struct udev *udev, const char *alias)
38 struct kmod_list *list = NULL;
39 struct kmod_list *listb = NULL;
43 err = kmod_module_new_from_lookup(ctx, alias, &list);
47 err = kmod_module_get_filtered_blacklist(ctx, list, &listb);
52 info(udev, "no module matches '%s'\n", alias);
54 kmod_list_foreach(l, listb) {
55 struct kmod_module *mod = kmod_module_get_module(l);
57 err = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL);
59 info(udev, "inserted '%s'\n", kmod_module_get_name(mod));
61 info(udev, "failed to insert '%s'\n", kmod_module_get_name(mod));
63 kmod_module_unref(mod);
66 kmod_module_unref_list(list);
67 kmod_module_unref_list(listb);
71 static void udev_kmod_log(void *data, int priority, const char *file, int line,
72 const char *fn, const char *format, va_list args)
74 udev_main_log(data, priority, file, line, fn, format, args);
77 /* needs to re-instantiate the context after a reload */
78 static int builtin_kmod(struct udev_device *dev, int argc, char *argv[], bool test)
80 struct udev *udev = udev_device_get_udev(dev);
84 ctx = kmod_new(NULL, NULL);
88 info(udev, "load module index\n");
89 kmod_set_log_fn(ctx, udev_kmod_log, udev);
90 kmod_load_resources(ctx);
93 if (argc < 3 || strcmp(argv[1], "load")) {
94 err(udev, "expect: %s load <module>\n", argv[0]);
98 for (i = 2; argv[i]; i++) {
99 info(udev, "execute '%s' '%s'\n", argv[1], argv[i]);
100 load_module(udev, argv[i]);
106 /* called at udev startup */
107 static int builtin_kmod_init(struct udev *udev)
112 ctx = kmod_new(NULL, NULL);
116 info(udev, "load module index\n");
117 kmod_set_log_fn(ctx, udev_kmod_log, udev);
118 kmod_load_resources(ctx);
122 /* called on udev shutdown and reload request */
123 static void builtin_kmod_exit(struct udev *udev)
125 info(udev, "unload module index\n");
126 ctx = kmod_unref(ctx);
129 /* called every couple of seconds during event activity; 'true' if config has changed */
130 static bool builtin_kmod_validate(struct udev *udev)
132 info(udev, "validate module index\n");
133 if (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK)
138 const struct udev_builtin udev_builtin_kmod = {
141 .init = builtin_kmod_init,
142 .exit = builtin_kmod_exit,
143 .validate = builtin_kmod_validate,
144 .help = "kernel module loader",