xref: /freebsd/sys/compat/linuxkpi/common/include/linux/notifier.h (revision b197d4b893974c9eb4d7b38704c6d5c486235d6f)
1 /*-
2  * Copyright (c) 2010 Isilon Systems, Inc.
3  * Copyright (c) 2010 iX Systems, Inc.
4  * Copyright (c) 2010 Panasas, Inc.
5  * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice unmodified, this list of conditions, and the following
13  *    disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 #ifndef	_LINUXKPI_LINUX_NOTIFIER_H_
32 #define	_LINUXKPI_LINUX_NOTIFIER_H_
33 
34 #include <sys/types.h>
35 #include <sys/eventhandler.h>
36 
37 #define	NOTIFY_DONE		0
38 #define	NOTIFY_OK		0x0001
39 #define	NOTIFY_STOP_MASK	0x8000
40 #define	NOTIFY_BAD		(NOTIFY_STOP_MASK | 0x0002)
41 
42 enum {
43 	NETDEV_CHANGE,
44 	NETDEV_UP,
45 	NETDEV_DOWN,
46 	NETDEV_REGISTER,
47 	NETDEV_UNREGISTER,
48 	NETDEV_CHANGEADDR,
49 	NETDEV_CHANGEIFADDR,
50 	LINUX_NOTIFY_TAGS		/* must be last */
51 };
52 
53 struct notifier_block {
54 	int     (*notifier_call) (struct notifier_block *, unsigned long, void *);
55 	struct notifier_block *next;
56 	int	priority;
57 	eventhandler_tag tags[LINUX_NOTIFY_TAGS];
58 };
59 
60 #endif					/* _LINUXKPI_LINUX_NOTIFIER_H_ */
61