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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright (c) 2012 by Delphix. All rights reserved. 24 */ 25 26 #ifndef _SYS_DSL_PROP_H 27 #define _SYS_DSL_PROP_H 28 29 #include <sys/dmu.h> 30 #include <sys/dsl_pool.h> 31 #include <sys/zfs_context.h> 32 #include <sys/dsl_synctask.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 struct dsl_dataset; 39 struct dsl_dir; 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_record { 45 list_node_t pr_node; /* link on dd_props */ 46 const char *pr_propname; 47 list_t pr_cbs; 48 } dsl_prop_record_t; 49 50 typedef struct dsl_prop_cb_record { 51 list_node_t cbr_pr_node; /* link on pr_cbs */ 52 list_node_t cbr_ds_node; /* link on ds_prop_cbs */ 53 dsl_prop_record_t *cbr_pr; 54 struct dsl_dataset *cbr_ds; 55 dsl_prop_changed_cb_t *cbr_func; 56 void *cbr_arg; 57 } dsl_prop_cb_record_t; 58 59 typedef struct dsl_props_arg { 60 nvlist_t *pa_props; 61 zprop_source_t pa_source; 62 } dsl_props_arg_t; 63 64 void dsl_prop_init(dsl_dir_t *dd); 65 void dsl_prop_fini(dsl_dir_t *dd); 66 int dsl_prop_register(struct dsl_dataset *ds, const char *propname, 67 dsl_prop_changed_cb_t *callback, void *cbarg); 68 void dsl_prop_unregister_all(struct dsl_dataset *ds, void *cbarg); 69 void dsl_prop_notify_all(struct dsl_dir *dd); 70 boolean_t dsl_prop_hascb(struct dsl_dataset *ds); 71 72 int dsl_prop_get(const char *ddname, const char *propname, 73 int intsz, int numints, void *buf, char *setpoint); 74 int dsl_prop_get_integer(const char *ddname, const char *propname, 75 uint64_t *valuep, char *setpoint); 76 int dsl_prop_get_all(objset_t *os, nvlist_t **nvp); 77 int dsl_prop_get_received(const char *dsname, nvlist_t **nvp); 78 int dsl_prop_get_ds(struct dsl_dataset *ds, const char *propname, 79 int intsz, int numints, void *buf, char *setpoint); 80 int dsl_prop_get_int_ds(struct dsl_dataset *ds, const char *propname, 81 uint64_t *valuep); 82 int dsl_prop_get_dd(struct dsl_dir *dd, const char *propname, 83 int intsz, int numints, void *buf, char *setpoint, 84 boolean_t snapshot); 85 86 void dsl_props_set_sync_impl(struct dsl_dataset *ds, zprop_source_t source, 87 nvlist_t *props, dmu_tx_t *tx); 88 void dsl_prop_set_sync_impl(struct dsl_dataset *ds, const char *propname, 89 zprop_source_t source, int intsz, int numints, const void *value, 90 dmu_tx_t *tx); 91 int dsl_props_set(const char *dsname, zprop_source_t source, nvlist_t *nvl); 92 int dsl_prop_set_int(const char *dsname, const char *propname, 93 zprop_source_t source, uint64_t value); 94 int dsl_prop_set_string(const char *dsname, const char *propname, 95 zprop_source_t source, const char *value); 96 int dsl_prop_inherit(const char *dsname, const char *propname, 97 zprop_source_t source); 98 99 int dsl_prop_predict(dsl_dir_t *dd, const char *propname, 100 zprop_source_t source, uint64_t value, uint64_t *newvalp); 101 102 /* flag first receive on or after SPA_VERSION_RECVD_PROPS */ 103 boolean_t dsl_prop_get_hasrecvd(const char *dsname); 104 int dsl_prop_set_hasrecvd(const char *dsname); 105 void dsl_prop_unset_hasrecvd(const char *dsname); 106 107 void dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value); 108 void dsl_prop_nvlist_add_string(nvlist_t *nv, 109 zfs_prop_t prop, const char *value); 110 111 #ifdef __cplusplus 112 } 113 #endif 114 115 #endif /* _SYS_DSL_PROP_H */ 116