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 */ 24 25 #ifndef _SYS_DSL_PROP_H 26 #define _SYS_DSL_PROP_H 27 28 #include <sys/dmu.h> 29 #include <sys/dsl_pool.h> 30 #include <sys/zfs_context.h> 31 #include <sys/dsl_synctask.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 struct dsl_dataset; 38 struct dsl_dir; 39 40 /* The callback func may not call into the DMU or DSL! */ 41 typedef void (dsl_prop_changed_cb_t)(void *arg, uint64_t newval); 42 43 typedef struct dsl_prop_cb_record { 44 list_node_t cbr_node; /* link on dd_prop_cbs */ 45 struct dsl_dataset *cbr_ds; 46 const char *cbr_propname; 47 dsl_prop_changed_cb_t *cbr_func; 48 void *cbr_arg; 49 } dsl_prop_cb_record_t; 50 51 typedef struct dsl_props_arg { 52 nvlist_t *pa_props; 53 zprop_source_t pa_source; 54 } dsl_props_arg_t; 55 56 typedef struct dsl_prop_set_arg { 57 const char *psa_name; 58 zprop_source_t psa_source; 59 int psa_intsz; 60 int psa_numints; 61 const void *psa_value; 62 63 /* 64 * Used to handle the special requirements of the quota and reservation 65 * properties. 66 */ 67 uint64_t psa_effective_value; 68 } dsl_prop_setarg_t; 69 70 int dsl_prop_register(struct dsl_dataset *ds, const char *propname, 71 dsl_prop_changed_cb_t *callback, void *cbarg); 72 int dsl_prop_unregister(struct dsl_dataset *ds, const char *propname, 73 dsl_prop_changed_cb_t *callback, void *cbarg); 74 int dsl_prop_numcb(struct dsl_dataset *ds); 75 76 int dsl_prop_get(const char *ddname, const char *propname, 77 int intsz, int numints, void *buf, char *setpoint); 78 int dsl_prop_get_integer(const char *ddname, const char *propname, 79 uint64_t *valuep, char *setpoint); 80 int dsl_prop_get_all(objset_t *os, nvlist_t **nvp); 81 int dsl_prop_get_received(objset_t *os, nvlist_t **nvp); 82 int dsl_prop_get_ds(struct dsl_dataset *ds, const char *propname, 83 int intsz, int numints, void *buf, char *setpoint); 84 int dsl_prop_get_dd(struct dsl_dir *dd, const char *propname, 85 int intsz, int numints, void *buf, char *setpoint, 86 boolean_t snapshot); 87 88 dsl_syncfunc_t dsl_props_set_sync; 89 int dsl_prop_set(const char *ddname, const char *propname, 90 zprop_source_t source, int intsz, int numints, const void *buf); 91 int dsl_props_set(const char *dsname, zprop_source_t source, nvlist_t *nvl); 92 void dsl_dir_prop_set_uint64_sync(dsl_dir_t *dd, const char *name, uint64_t val, 93 dmu_tx_t *tx); 94 95 void dsl_prop_setarg_init_uint64(dsl_prop_setarg_t *psa, const char *propname, 96 zprop_source_t source, uint64_t *value); 97 int dsl_prop_predict_sync(dsl_dir_t *dd, dsl_prop_setarg_t *psa); 98 #ifdef ZFS_DEBUG 99 void dsl_prop_check_prediction(dsl_dir_t *dd, dsl_prop_setarg_t *psa); 100 #define DSL_PROP_CHECK_PREDICTION(dd, psa) \ 101 dsl_prop_check_prediction((dd), (psa)) 102 #else 103 #define DSL_PROP_CHECK_PREDICTION(dd, psa) /* nothing */ 104 #endif 105 106 /* flag first receive on or after SPA_VERSION_RECVD_PROPS */ 107 boolean_t dsl_prop_get_hasrecvd(objset_t *os); 108 void dsl_prop_set_hasrecvd(objset_t *os); 109 void dsl_prop_unset_hasrecvd(objset_t *os); 110 111 void dsl_prop_nvlist_add_uint64(nvlist_t *nv, zfs_prop_t prop, uint64_t value); 112 void dsl_prop_nvlist_add_string(nvlist_t *nv, 113 zfs_prop_t prop, const char *value); 114 115 #ifdef __cplusplus 116 } 117 #endif 118 119 #endif /* _SYS_DSL_PROP_H */ 120