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) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24 * Copyright (c) 2012 by Delphix. All rights reserved. 25 */ 26 27 #include <sys/zio.h> 28 #include <sys/spa.h> 29 #include <sys/zfs_acl.h> 30 #include <sys/zfs_ioctl.h> 31 #include <sys/fs/zfs.h> 32 33 #include "zfs_prop.h" 34 35 #if defined(_KERNEL) 36 #include <sys/systm.h> 37 #else 38 #include <stdlib.h> 39 #include <string.h> 40 #include <ctype.h> 41 #endif 42 43 static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS]; 44 45 zprop_desc_t * 46 zpool_prop_get_table(void) 47 { 48 return (zpool_prop_table); 49 } 50 51 void 52 zpool_prop_init(void) 53 { 54 static zprop_index_t boolean_table[] = { 55 { "off", 0}, 56 { "on", 1}, 57 { NULL } 58 }; 59 60 static zprop_index_t failuremode_table[] = { 61 { "wait", ZIO_FAILURE_MODE_WAIT }, 62 { "continue", ZIO_FAILURE_MODE_CONTINUE }, 63 { "panic", ZIO_FAILURE_MODE_PANIC }, 64 { NULL } 65 }; 66 67 /* string properties */ 68 zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT, 69 ZFS_TYPE_POOL, "<path>", "ALTROOT"); 70 zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT, 71 ZFS_TYPE_POOL, "<filesystem>", "BOOTFS"); 72 zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL, 73 PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE"); 74 zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL, 75 PROP_DEFAULT, ZFS_TYPE_POOL, "<comment-string>", "COMMENT"); 76 77 /* readonly number properties */ 78 zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY, 79 ZFS_TYPE_POOL, "<size>", "SIZE"); 80 zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY, 81 ZFS_TYPE_POOL, "<size>", "FREE"); 82 zprop_register_number(ZPOOL_PROP_FREEING, "freeing", 0, PROP_READONLY, 83 ZFS_TYPE_POOL, "<size>", "FREEING"); 84 zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0, 85 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC"); 86 zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0, 87 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ"); 88 zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY, 89 ZFS_TYPE_POOL, "<size>", "CAP"); 90 zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY, 91 ZFS_TYPE_POOL, "<guid>", "GUID"); 92 zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY, 93 ZFS_TYPE_POOL, "<state>", "HEALTH"); 94 zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0, 95 PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>", 96 "DEDUP"); 97 98 /* default number properties */ 99 zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION, 100 PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION"); 101 zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0, 102 PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO"); 103 104 /* default index (boolean) properties */ 105 zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1, 106 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION", 107 boolean_table); 108 zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0, 109 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table); 110 zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0, 111 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS", 112 boolean_table); 113 zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0, 114 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table); 115 zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0, 116 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table); 117 118 /* default index properties */ 119 zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode", 120 ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL, 121 "wait | continue | panic", "FAILMODE", failuremode_table); 122 123 /* hidden properties */ 124 zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING, 125 PROP_READONLY, ZFS_TYPE_POOL, "NAME"); 126 } 127 128 /* 129 * Given a property name and its type, returns the corresponding property ID. 130 */ 131 zpool_prop_t 132 zpool_name_to_prop(const char *propname) 133 { 134 return (zprop_name_to_prop(propname, ZFS_TYPE_POOL)); 135 } 136 137 /* 138 * Given a pool property ID, returns the corresponding name. 139 * Assuming the pool propety ID is valid. 140 */ 141 const char * 142 zpool_prop_to_name(zpool_prop_t prop) 143 { 144 return (zpool_prop_table[prop].pd_name); 145 } 146 147 zprop_type_t 148 zpool_prop_get_type(zpool_prop_t prop) 149 { 150 return (zpool_prop_table[prop].pd_proptype); 151 } 152 153 boolean_t 154 zpool_prop_readonly(zpool_prop_t prop) 155 { 156 return (zpool_prop_table[prop].pd_attr == PROP_READONLY); 157 } 158 159 const char * 160 zpool_prop_default_string(zpool_prop_t prop) 161 { 162 return (zpool_prop_table[prop].pd_strdefault); 163 } 164 165 uint64_t 166 zpool_prop_default_numeric(zpool_prop_t prop) 167 { 168 return (zpool_prop_table[prop].pd_numdefault); 169 } 170 171 /* 172 * Returns true if this is a valid feature@ property. 173 */ 174 boolean_t 175 zpool_prop_feature(const char *name) 176 { 177 static const char *prefix = "feature@"; 178 return (strncmp(name, prefix, strlen(prefix)) == 0); 179 } 180 181 /* 182 * Returns true if this is a valid unsupported@ property. 183 */ 184 boolean_t 185 zpool_prop_unsupported(const char *name) 186 { 187 static const char *prefix = "unsupported@"; 188 return (strncmp(name, prefix, strlen(prefix)) == 0); 189 } 190 191 int 192 zpool_prop_string_to_index(zpool_prop_t prop, const char *string, 193 uint64_t *index) 194 { 195 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL)); 196 } 197 198 int 199 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index, 200 const char **string) 201 { 202 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL)); 203 } 204 205 uint64_t 206 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed) 207 { 208 return (zprop_random_value(prop, seed, ZFS_TYPE_POOL)); 209 } 210 211 #ifndef _KERNEL 212 213 const char * 214 zpool_prop_values(zpool_prop_t prop) 215 { 216 return (zpool_prop_table[prop].pd_values); 217 } 218 219 const char * 220 zpool_prop_column_name(zpool_prop_t prop) 221 { 222 return (zpool_prop_table[prop].pd_colname); 223 } 224 225 boolean_t 226 zpool_prop_align_right(zpool_prop_t prop) 227 { 228 return (zpool_prop_table[prop].pd_rightalign); 229 } 230 #endif 231