/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _LIBHOTPLUG_IMPL_H
#define	_LIBHOTPLUG_IMPL_H

#ifdef	__cplusplus
extern "C" {
#endif

#include <sys/param.h>
#include <libhotplug.h>

/*
 * Definition of a node in a hotplug information snapshot.
 */
struct hp_node {
	int		hp_type;
	char		*hp_name;
	char		*hp_usage;
	char		*hp_description;
	char		*hp_basepath;
	int		hp_state;
	time_t		hp_last_change;
	hp_node_t	hp_parent;
	hp_node_t	hp_child;
	hp_node_t	hp_sibling;
};

/*
 * Definitions used for packing/unpacking snapshots.
 */
#define	HP_INFO_BASE	"hp_info.basepath"
#define	HP_INFO_NODE	"hp_info.node"
#define	HP_INFO_BRANCH	"hp_info.branch"
#define	HP_INFO_TYPE	"hp_info.type"
#define	HP_INFO_NAME	"hp_info.name"
#define	HP_INFO_USAGE	"hp_info.usage"
#define	HP_INFO_STATE	"hp_info.state"
#define	HP_INFO_DESC	"hp_info.description"
#define	HP_INFO_TIME	"hp_info.last_change"

/*
 * Definitions for the door interface to hotplugd(8).
 */
#define	HOTPLUGD_PID	"/var/run/hotplugd.pid"
#define	HOTPLUGD_DOOR	"/var/run/hotplugd_door"

typedef enum {
	HP_CMD_NONE = 0,
	HP_CMD_GETINFO,
	HP_CMD_CHANGESTATE,
	HP_CMD_SETPRIVATE,
	HP_CMD_GETPRIVATE
} hp_cmd_t;

#define	HPD_CMD		"hp_door.cmd"
#define	HPD_PATH	"hp_door.path"
#define	HPD_CONNECTION	"hp_door.connection"
#define	HPD_FLAGS	"hp_door.flags"
#define	HPD_STATE	"hp_door.state"
#define	HPD_OPTIONS	"hp_door.options"
#define	HPD_INFO	"hp_door.info"
#define	HPD_STATUS	"hp_door.status"
#define	HPD_SEQNUM	"hp_door.seqnum"

/*
 * Definition of macros to validate flags.
 */
#define	HP_INIT_FLAGS_VALID(f)		((f & ~(HPINFOUSAGE)) == 0)
#define	HP_SET_STATE_FLAGS_VALID(f)	((f & ~(HPFORCE | HPQUERY)) == 0)

/*
 * Definition of global flag to enable debug.
 */
extern int	libhotplug_debug;

#ifdef	__cplusplus
}
#endif

#endif	/* _LIBHOTPLUG_IMPL_H */