external/cddl/osnet/dist/uts/common/fs/zfs/sys/dsl_prop.h

   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 2008 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   "%Z%%M% %I%     %E% 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 struct dsl_dir;
  41
  42 /* The callback func may not call into the DMU or DSL! */
  43 typedef void (dsl_prop_changed_cb_t)(void *arg, uint64_t newval);
  44
  45 typedef struct dsl_prop_cb_record {
  46         list_node_t cbr_node; /* link on dd_prop_cbs */
  47         struct dsl_dataset *cbr_ds;
  48         const char *cbr_propname;
  49         dsl_prop_changed_cb_t *cbr_func;
  50         void *cbr_arg;
  51 } dsl_prop_cb_record_t;
  52
  53 int dsl_prop_register(struct dsl_dataset *ds, const char *propname,
  54     dsl_prop_changed_cb_t *callback, void *cbarg);
  55 int dsl_prop_unregister(struct dsl_dataset *ds, const char *propname,
  56     dsl_prop_changed_cb_t *callback, void *cbarg);
  57 int dsl_prop_numcb(struct dsl_dataset *ds);
  58
  59 int dsl_prop_get(const char *ddname, const char *propname,
  60     int intsz, int numints, void *buf, char *setpoint);
  61 int dsl_prop_get_integer(const char *ddname, const char *propname,
  62     uint64_t *valuep, char *setpoint);
  63 int dsl_prop_get_all(objset_t *os, nvlist_t **nvp, boolean_t local);
  64 int dsl_prop_get_ds(struct dsl_dataset *ds, const char *propname,
  65     int intsz, int numints, void *buf, char *setpoint);
  66 int dsl_prop_get_dd(struct dsl_dir *dd, const char *propname,
  67     int intsz, int numints, void *buf, char *setpoint);
  68
  69 int dsl_prop_set(const char *ddname, const char *propname,
  70     int intsz, int numints, const void *buf);
  71 void dsl_prop_set_uint64_sync(dsl_dir_t *dd, const char *name, uint64_t val,
  72     cred_t *cr, dmu_tx_t *tx);
  73
  74 void dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value);
  75 void dsl_prop_nvlist_add_string(nvlist_t *nv,
  76     zfs_prop_t prop, const char *value);
  77
  78 #ifdef  __cplusplus
  79 }
  80 #endif
  81
  82 #endif  /* _SYS_DSL_PROP_H */