/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (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 2006 Sun Microsystems, Inc.  All rights reserved.

 * Use is subject to license terms.

 */

#ifndef	_SYS_DSL_PROP_H

#define	_SYS_DSL_PROP_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/dmu.h>

#include <sys/dsl_pool.h>

#include <sys/zfs_context.h>

#ifdef	__cplusplus

extern "C" {

#endif

struct dsl_dataset;

/* The callback func may not call into the DMU or DSL! */

typedef void (dsl_prop_changed_cb_t)(void *arg, uint64_t newval);

#define	DSL_PROP_VALUE_UNDEFINED (-1ULL)

typedef struct dsl_prop_cb_record {

	list_node_t cbr_node; /* link on dd_prop_cbs */

	const char *cbr_propname;

	dsl_prop_changed_cb_t *cbr_func;

	void *cbr_arg;

} dsl_prop_cb_record_t;

int dsl_prop_register(struct dsl_dataset *ds, const char *propname,

    dsl_prop_changed_cb_t *callback, void *cbarg);

int dsl_prop_unregister(struct dsl_dataset *ds, const char *propname,

    dsl_prop_changed_cb_t *callback, void *cbarg);

int dsl_prop_get(const char *ddname, const char *propname,

    int intsz, int numints, void *buf, char *setpoint);

int dsl_prop_get_string(const char *ddname, const char *propname,

    char *value, int valuelen, char *setpoint);

int dsl_prop_get_integer(const char *ddname, const char *propname,

    uint64_t *valuep, char *setpoint);

int dsl_prop_get_ds_integer(dsl_dir_t *dd, const char *propname,

    uint64_t *valuep, char *setpoint);

int dsl_prop_get_all(objset_t *os, nvlist_t **nvp);

int dsl_prop_set(const char *ddname, const char *propname,

    int intsz, int numints, const void *buf);

#ifdef	__cplusplus

}

#endif

#endif	/* _SYS_DSL_PROP_H */