Pass hotplug_device, not cdev_t.
[dragonfly.git] / sys / sys / hotplug.h
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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#include <sys/bus.h>
22
23/*
24 * Minimal device structures.
25 * Note that all ``system'' device types are listed here.
26 */
27enum obsd_devclass {
28 DV_DULL, /* generic, no special info */
29 DV_CPU, /* CPU (carries resource utilization) */
30 DV_DISK, /* disk drive (label, etc) */
31 DV_IFNET, /* network interface */
32 DV_TAPE, /* tape device */
33 DV_TTY /* serial line interface (???) */
34};
35
36/*
37 * Public interface for enqueuing and dequeueing device
38 * attachment and detachment notifications.
39 */
40
41#define HOTPLUG_DEVAT 0x01 /* device attached */
42#define HOTPLUG_DEVDT 0x02 /* device detached */
43
44struct hotplug_event {
45 int he_type; /* event type */
46 enum obsd_devclass he_devclass; /* device class */
47 char he_devname[16]; /* device name */
48};
49
50#ifdef _KERNEL
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51struct hotplug_device {
52 cdev_t dev;
53 char *name;
54};
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55void hotplug_device_attach(device_t dev);
56void hotplug_device_detach(device_t dev);
57#endif
58
59#endif /* _SYS_HOTPLUG_H_ */