2 * Copyright (c) 2014 John Baldwin <jhb@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/linker_set.h>
40 struct devctl_command {
42 int (*handler)(int ac, char **av);
45 #define DEVCTL_DATASET(name) devctl_ ## name ## _table
47 #define DEVCTL_COMMAND(set, name, function) \
48 static struct devctl_command function ## _devctl_command = \
49 { #name, function }; \
50 DATA_SET(DEVCTL_DATASET(set), function ## _devctl_command)
52 #define DEVCTL_TABLE(set, name) \
53 SET_DECLARE(DEVCTL_DATASET(name), struct devctl_command); \
56 devctl_ ## name ## _table_handler(int ac, char **av) \
58 return (devctl_table_handler(SET_BEGIN(DEVCTL_DATASET(name)), \
59 SET_LIMIT(DEVCTL_DATASET(name)), ac, av)); \
61 DEVCTL_COMMAND(set, name, devctl_ ## name ## _table_handler)
63 static int devctl_table_handler(struct devctl_command **start,
64 struct devctl_command **end, int ac, char **av);
66 SET_DECLARE(DEVCTL_DATASET(top), struct devctl_command);
68 DEVCTL_TABLE(top, set);
73 fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
74 "usage: devctl attach device",
75 " devctl detach [-f] device",
76 " devctl disable [-f] device",
77 " devctl enable device",
78 " devctl suspend device",
79 " devctl resume device",
80 " devctl set driver [-f] device driver",
81 " devctl rescan device",
82 " devctl delete [-f] device");
87 devctl_table_handler(struct devctl_command **start,
88 struct devctl_command **end, int ac, char **av)
90 struct devctl_command **cmd;
93 warnx("The %s command requires a sub-command.", av[0]);
96 for (cmd = start; cmd < end; cmd++) {
97 if (strcmp((*cmd)->name, av[1]) == 0)
98 return ((*cmd)->handler(ac - 1, av + 1));
101 warnx("%s is not a valid sub-command of %s.", av[1], av[0]);
106 help(int ac __unused, char **av __unused)
112 DEVCTL_COMMAND(top, help, help);
115 attach(int ac, char **av)
120 if (devctl_attach(av[1]) < 0)
121 err(1, "Failed to attach %s", av[1]);
124 DEVCTL_COMMAND(top, attach, attach);
130 fprintf(stderr, "usage: devctl detach [-f] device\n");
135 detach(int ac, char **av)
141 while ((ch = getopt(ac, av, "f")) != -1)
154 if (devctl_detach(av[0], force) < 0)
155 err(1, "Failed to detach %s", av[0]);
158 DEVCTL_COMMAND(top, detach, detach);
164 fprintf(stderr, "usage: devctl disable [-f] device\n");
169 disable(int ac, char **av)
175 while ((ch = getopt(ac, av, "f")) != -1)
188 if (devctl_disable(av[0], force) < 0)
189 err(1, "Failed to disable %s", av[0]);
192 DEVCTL_COMMAND(top, disable, disable);
195 enable(int ac, char **av)
200 if (devctl_enable(av[1]) < 0)
201 err(1, "Failed to enable %s", av[1]);
204 DEVCTL_COMMAND(top, enable, enable);
207 suspend(int ac, char **av)
212 if (devctl_suspend(av[1]) < 0)
213 err(1, "Failed to suspend %s", av[1]);
216 DEVCTL_COMMAND(top, suspend, suspend);
219 resume(int ac, char **av)
224 if (devctl_resume(av[1]) < 0)
225 err(1, "Failed to resume %s", av[1]);
228 DEVCTL_COMMAND(top, resume, resume);
231 set_driver_usage(void)
234 fprintf(stderr, "usage: devctl set driver [-f] device driver\n");
239 set_driver(int ac, char **av)
245 while ((ch = getopt(ac, av, "f")) != -1)
258 if (devctl_set_driver(av[0], av[1], force) < 0)
259 err(1, "Failed to set %s driver to %s", av[0], av[1]);
262 DEVCTL_COMMAND(set, driver, set_driver);
265 rescan(int ac, char **av)
270 if (devctl_rescan(av[1]) < 0)
271 err(1, "Failed to rescan %s", av[1]);
274 DEVCTL_COMMAND(top, rescan, rescan);
280 fprintf(stderr, "usage: devctl delete [-f] device\n");
285 delete(int ac, char **av)
291 while ((ch = getopt(ac, av, "f")) != -1)
304 if (devctl_delete(av[0], force) < 0)
305 err(1, "Failed to delete %s", av[0]);
308 DEVCTL_COMMAND(top, delete, delete);
311 main(int ac, char *av[])
313 struct devctl_command **cmd;
320 SET_FOREACH(cmd, DEVCTL_DATASET(top)) {
321 if (strcmp((*cmd)->name, av[0]) == 0) {
322 if ((*cmd)->handler(ac, av) != 0)
328 warnx("Unknown command %s.", av[0]);