xref: /openbsd/sys/sys/hotplug.h (revision a1df61ee)
1 /*	$OpenBSD: hotplug.h,v 1.5 2006/05/28 16:52:34 mk Exp $	*/
2 /*
3  * Copyright (c) 2004 Alexander Yurchenko <grange@openbsd.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #ifndef _SYS_HOTPLUG_H_
19 #define _SYS_HOTPLUG_H_
20 
21 /*
22  * Public interface for enqueuing and dequeueing device
23  * attachment and detachment notifications.
24  */
25 
26 #define HOTPLUG_DEVAT		0x01	/* device attached	*/
27 #define HOTPLUG_DEVDT		0x02	/* device detached	*/
28 
29 struct hotplug_event {
30 	int		he_type;	/* event type		*/
31 	enum devclass	he_devclass;	/* device class		*/
32 	char		he_devname[16];	/* device name		*/
33 };
34 
35 #ifdef _KERNEL
36 void	hotplug_device_attach(enum devclass, char *);
37 void	hotplug_device_detach(enum devclass, char *);
38 #endif
39 
40 #endif	/* _SYS_HOTPLUG_H_ */
41