[dragonfly.git] / sys / sys / hotplug.h

/*	$OpenBSD: hotplug.h,v 1.5 2006/05/28 16:52:34 mk Exp $	*/
/*
 * Copyright (c) 2004 Alexander Yurchenko <grange@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _SYS_HOTPLUG_H_
#define _SYS_HOTPLUG_H_

#include <sys/bus.h>

/*
 * Minimal device structures.
 * Note that all ``system'' device types are listed here.
 */
enum obsd_devclass {
	DV_DULL,		/* generic, no special info */
	DV_CPU,			/* CPU (carries resource utilization) */
	DV_DISK,		/* disk drive (label, etc) */
	DV_IFNET,		/* network interface */
	DV_TAPE,		/* tape device */
	DV_TTY			/* serial line interface (???) */
};

/*
 * Public interface for enqueuing and dequeueing device
 * attachment and detachment notifications.
 */

#define HOTPLUG_DEVAT		0x01	/* device attached	*/
#define HOTPLUG_DEVDT		0x02	/* device detached	*/

struct hotplug_event {
	int		he_type;	/* event type		*/
	enum obsd_devclass	he_devclass;	/* device class		*/
	char		he_devname[16];	/* device name		*/
};

#ifdef _KERNEL
struct hotplug_device {
	cdev_t	dev;
	char	*name;
};
void	hotplug_device_attach(device_t dev);
void	hotplug_device_detach(device_t dev);
#endif

#endif	/* _SYS_HOTPLUG_H_ */
Commit	Line	Data
c6289b98 AP	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	*/
	27	enum 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
	44	struct 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
e3bf5370 AP	51	struct hotplug_device {
	52	cdev_t dev;
	53	char *name;
	54	};
c6289b98 AP	55	void hotplug_device_attach(device_t dev);
	56	void hotplug_device_detach(device_t dev);
	57	#endif
	58
	59	#endif /* _SYS_HOTPLUG_H_ */