1 /*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
6 * Copyright (c) 2017-2020 François Tigeot <ftigeot@wolfpond.org>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice unmodified, this list of conditions, and the following
14 * disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #ifndef _LINUX_NOTIFIER_H_
32 #define _LINUX_NOTIFIER_H_
33
34 #include <linux/errno.h>
35 #include <linux/mutex.h>
36 #include <linux/rwsem.h>
37
38 #include <sys/eventhandler.h>
39
40 /*
41 * Max number of FreeBSD events to map to Linux events per notify type.
42 */
43 #define NOTIFY_DONE 0
44 #define NOTIFY_OK 1
45 #define _NOTIFY_COUNT 7
46
47 struct notifier_block {
48 int (*notifier_call)(struct notifier_block *, unsigned long, void *);
49 struct notifier_block *next;
50 int priority;
51 eventhandler_tag tags[_NOTIFY_COUNT];
52 };
53
54 /* Values must be less than NOTIFY_COUNT */
55 #define NETDEV_UP 0x0001
56 #define NETDEV_DOWN 0x0002
57 #define NETDEV_REGISTER 0x0003
58 #define NETDEV_UNREGISTER 0x0004
59 #define NETDEV_CHANGEADDR 0x0005
60 #define NETDEV_CHANGEIFADDR 0x0006
61
62 struct atomic_notifier_head {
63 };
64
65 static inline void
ATOMIC_INIT_NOTIFIER_HEAD(struct atomic_notifier_head * anh)66 ATOMIC_INIT_NOTIFIER_HEAD(struct atomic_notifier_head *anh)
67 {
68 }
69
70 static inline int
atomic_notifier_call_chain(struct atomic_notifier_head * anh,unsigned long val,void * v)71 atomic_notifier_call_chain(struct atomic_notifier_head *anh,
72 unsigned long val, void *v)
73 {
74 return 0;
75 }
76
77 #endif /* _LINUX_NOTIFIER_H_ */
78