linux_common.c revision 283421 
1/*-
2 * Copyright (c) 2014 Vassilis Laganakos
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/compat/linux/linux_common.c 283421 2015-05-24 15:51:18Z dchagin $");
29
30#include <sys/param.h>
31#include <sys/module.h>
32#include <sys/malloc.h>
33#include <sys/module.h>
34#include <sys/types.h>
35#include <sys/kernel.h>
36#include <sys/proc.h>
37
38#include <compat/linux/linux_mib.h>
39#include <compat/linux/linux_util.h>
40
41MODULE_VERSION(linux_common, 1);
42
43SET_DECLARE(linux_device_handler_set, struct linux_device_handler);
44
45
46static int
47linux_common_modevent(module_t mod, int type, void *data)
48{
49	struct linux_device_handler **ldhp;
50
51	switch(type) {
52	case MOD_LOAD:
53		linux_osd_jail_register();
54		SET_FOREACH(ldhp, linux_device_handler_set)
55			linux_device_register_handler(*ldhp);
56		break;
57	case MOD_UNLOAD:
58		linux_osd_jail_deregister();
59		SET_FOREACH(ldhp, linux_device_handler_set)
60			linux_device_unregister_handler(*ldhp);
61		break;
62	default:
63		return (EOPNOTSUPP);
64	}
65	return (0);
66}
67
68static moduledata_t linux_common_mod = {
69	"linuxcommon",
70	linux_common_modevent,
71	0
72};
73
74DECLARE_MODULE(linuxcommon, linux_common_mod, SI_SUB_EXEC, SI_ORDER_ANY);
75