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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_SYS_DSL_PROP_H
     27 #define	_SYS_DSL_PROP_H
     28 
     29 #pragma ident	"@(#)dsl_prop.h	1.6	07/10/29 SMI"
     30 
     31 #include <sys/dmu.h>
     32 #include <sys/dsl_pool.h>
     33 #include <sys/zfs_context.h>
     34 
     35 #ifdef	__cplusplus
     36 extern "C" {
     37 #endif
     38 
     39 struct dsl_dataset;
     40 
     41 /* The callback func may not call into the DMU or DSL! */
     42 typedef void (dsl_prop_changed_cb_t)(void *arg, uint64_t newval);
     43 
     44 typedef struct dsl_prop_cb_record {
     45 	list_node_t cbr_node; /* link on dd_prop_cbs */
     46 	struct dsl_dataset *cbr_ds;
     47 	const char *cbr_propname;
     48 	dsl_prop_changed_cb_t *cbr_func;
     49 	void *cbr_arg;
     50 } dsl_prop_cb_record_t;
     51 
     52 int dsl_prop_register(struct dsl_dataset *ds, const char *propname,
     53     dsl_prop_changed_cb_t *callback, void *cbarg);
     54 int dsl_prop_unregister(struct dsl_dataset *ds, const char *propname,
     55     dsl_prop_changed_cb_t *callback, void *cbarg);
     56 int dsl_prop_numcb(struct dsl_dataset *ds);
     57 
     58 int dsl_prop_get(const char *ddname, const char *propname,
     59     int intsz, int numints, void *buf, char *setpoint);
     60 int dsl_prop_get_integer(const char *ddname, const char *propname,
     61     uint64_t *valuep, char *setpoint);
     62 int dsl_prop_get_all(objset_t *os, nvlist_t **nvp);
     63 int dsl_prop_get_ds_locked(dsl_dir_t *dd, const char *propname,
     64     int intsz, int numints, void *buf, char *setpoint);
     65 
     66 int dsl_prop_set(const char *ddname, const char *propname,
     67     int intsz, int numints, const void *buf);
     68 int dsl_prop_set_dd(dsl_dir_t *dd, const char *propname,
     69     int intsz, int numints, const void *buf);
     70 void dsl_prop_set_uint64_sync(dsl_dir_t *dd, const char *name, uint64_t val,
     71     cred_t *cr, dmu_tx_t *tx);
     72 
     73 void dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value);
     74 void dsl_prop_nvlist_add_string(nvlist_t *nv,
     75     zfs_prop_t prop, const char *value);
     76 
     77 #ifdef	__cplusplus
     78 }
     79 #endif
     80 
     81 #endif	/* _SYS_DSL_PROP_H */
     82