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 * Copyright 2019 Joyent, Inc. 25 */ 26 27 #ifndef _SYS_DSL_PROP_H 28 #define _SYS_DSL_PROP_H 29 30 #include <sys/dmu.h> 31 #include <sys/dsl_pool.h> 32 #include <sys/zfs_context.h> 33 #include <sys/dsl_synctask.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_record { 46 list_node_t pr_node; /* link on dd_props */ 47 const char *pr_propname; 48 list_t pr_cbs; 49 } dsl_prop_record_t; 50 51 typedef struct dsl_prop_cb_record { 52 list_node_t cbr_pr_node; /* link on pr_cbs */ 53 list_node_t cbr_ds_node; /* link on ds_prop_cbs */ 54 dsl_prop_record_t *cbr_pr; 55 struct dsl_dataset *cbr_ds; 56 dsl_prop_changed_cb_t *cbr_func; 57 void *cbr_arg; 58 } dsl_prop_cb_record_t; 59 60 typedef struct dsl_props_arg { 61 nvlist_t *pa_props; 62 zprop_source_t pa_source; 63 } dsl_props_arg_t; 64 65 typedef struct dsl_props_set_arg { 66 const char *dpsa_dsname; 67 zprop_source_t dpsa_source; 68 nvlist_t *dpsa_props; 69 } dsl_props_set_arg_t; 70 71 void dsl_prop_init(dsl_dir_t *dd); 72 void dsl_prop_fini(dsl_dir_t *dd); 73 int dsl_prop_register(struct dsl_dataset *ds, const char *propname, 74 dsl_prop_changed_cb_t *callback, void *cbarg); 75 void dsl_prop_unregister_all(struct dsl_dataset *ds, void *cbarg); 76 void dsl_prop_notify_all(struct dsl_dir *dd); 77 boolean_t dsl_prop_hascb(struct dsl_dataset *ds); 78 79 int dsl_prop_get(const char *ddname, const char *propname, 80 int intsz, int numints, void *buf, char *setpoint); 81 int dsl_prop_get_integer(const char *ddname, const char *propname, 82 uint64_t *valuep, char *setpoint); 83 int dsl_prop_get_all(objset_t *os, nvlist_t **nvp); 84 int dsl_prop_get_received(const char *dsname, nvlist_t **nvp); 85 int dsl_prop_get_ds(struct dsl_dataset *ds, const char *propname, 86 int intsz, int numints, void *buf, char *setpoint); 87 int dsl_prop_get_int_ds(struct dsl_dataset *ds, const char *propname, 88 uint64_t *valuep); 89 int dsl_prop_get_dd(struct dsl_dir *dd, const char *propname, 90 int intsz, int numints, void *buf, char *setpoint, 91 boolean_t snapshot); 92 93 int dsl_props_set_check(void *arg, dmu_tx_t *tx); 94 void dsl_props_set_sync(void *arg, dmu_tx_t *tx); 95 void dsl_props_set_sync_impl(struct dsl_dataset *ds, zprop_source_t source, 96 nvlist_t *props, dmu_tx_t *tx); 97 void dsl_prop_set_sync_impl(struct dsl_dataset *ds, const char *propname, 98 zprop_source_t source, int intsz, int numints, const void *value, 99 dmu_tx_t *tx); 100 int dsl_props_set(const char *dsname, zprop_source_t source, nvlist_t *nvl); 101 int dsl_prop_set_int(const char *dsname, const char *propname, 102 zprop_source_t source, uint64_t value); 103 int dsl_prop_set_string(const char *dsname, const char *propname, 104 zprop_source_t source, const char *value); 105 int dsl_prop_inherit(const char *dsname, const char *propname, 106 zprop_source_t source); 107 108 int dsl_prop_predict(dsl_dir_t *dd, const char *propname, 109 zprop_source_t source, uint64_t value, uint64_t *newvalp); 110 111 /* flag first receive on or after SPA_VERSION_RECVD_PROPS */ 112 boolean_t dsl_prop_get_hasrecvd(const char *dsname); 113 int dsl_prop_set_hasrecvd(const char *dsname); 114 void dsl_prop_unset_hasrecvd(const char *dsname); 115 116 void dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value); 117 void dsl_prop_nvlist_add_string(nvlist_t *nv, 118 zfs_prop_t prop, const char *value); 119 120 #ifdef __cplusplus 121 } 122 #endif 123 124 #endif /* _SYS_DSL_PROP_H */ 125