1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
31 #include "kmod-setup.h"
33 static const char * const kmod_table[] = {
34 "autofs4", "/sys/class/misc/autofs",
35 "ipv6", "/sys/module/ipv6",
36 "unix", "/proc/net/unix"
39 #pragma GCC diagnostic push
40 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
41 static void systemd_kmod_log(void *data, int priority, const char *file, int line,
42 const char *fn, const char *format, va_list args)
44 log_meta(priority, file, line, fn, format, args);
46 #pragma GCC diagnostic pop
48 int kmod_setup(void) {
50 struct kmod_ctx *ctx = NULL;
51 struct kmod_module *mod;
54 for (i = 0; i < ELEMENTSOF(kmod_table); i += 2) {
56 if (access(kmod_table[i+1], F_OK) >= 0)
59 log_debug("Your kernel apparently lacks built-in %s support. Might be a good idea to compile it in. "
60 "We'll now try to work around this by loading the module...",
64 ctx = kmod_new(NULL, NULL);
66 log_error("Failed to allocate memory for kmod");
70 kmod_set_log_fn(ctx, systemd_kmod_log, NULL);
72 kmod_load_resources(ctx);
75 err = kmod_module_new_from_name(ctx, kmod_table[i], &mod);
77 log_error("Failed to load module '%s'", kmod_table[i]);
81 err = kmod_module_probe_insert_module(mod, KMOD_PROBE_APPLY_BLACKLIST, NULL, NULL, NULL, NULL);
83 log_info("Inserted module '%s'", kmod_module_get_name(mod));
84 else if (err == KMOD_PROBE_APPLY_BLACKLIST)
85 log_info("Module '%s' is blacklisted", kmod_module_get_name(mod));
87 log_error("Failed to insert '%s'", kmod_module_get_name(mod));
89 kmod_module_unref(mod);
93 ctx = kmod_unref(ctx);