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, 2017 by Delphix. All rights reserved. 25 * Copyright (c) 2014 Integros [integros.com] 26 */ 27 28 #include <sys/zio.h> 29 #include <sys/spa.h> 30 #include <sys/zfs_acl.h> 31 #include <sys/zfs_ioctl.h> 32 #include <sys/fs/zfs.h> 33 34 #include "zfs_prop.h" 35 36 #if defined(_KERNEL) 37 #include <sys/systm.h> 38 #else 39 #include <stdlib.h> 40 #include <string.h> 41 #include <ctype.h> 42 #endif 43 44 static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS]; 45 46 zprop_desc_t * 47 zpool_prop_get_table(void) 48 { 49 return (zpool_prop_table); 50 } 51 52 void 53 zpool_prop_init(void) 54 { 55 static zprop_index_t boolean_table[] = { 56 { "off", 0}, 57 { "on", 1}, 58 { NULL } 59 }; 60 61 static zprop_index_t failuremode_table[] = { 62 { "wait", ZIO_FAILURE_MODE_WAIT }, 63 { "continue", ZIO_FAILURE_MODE_CONTINUE }, 64 { "panic", ZIO_FAILURE_MODE_PANIC }, 65 { NULL } 66 }; 67 68 /* string properties */ 69 zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT, 70 ZFS_TYPE_POOL, "<path>", "ALTROOT"); 71 zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT, 72 ZFS_TYPE_POOL, "<filesystem>", "BOOTFS"); 73 zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL, 74 PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE"); 75 zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL, 76 PROP_DEFAULT, ZFS_TYPE_POOL, "<comment-string>", "COMMENT"); 77 78 /* readonly number properties */ 79 zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY, 80 ZFS_TYPE_POOL, "<size>", "SIZE"); 81 zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY, 82 ZFS_TYPE_POOL, "<size>", "FREE"); 83 zprop_register_number(ZPOOL_PROP_FREEING, "freeing", 0, PROP_READONLY, 84 ZFS_TYPE_POOL, "<size>", "FREEING"); 85 zprop_register_number(ZPOOL_PROP_CHECKPOINT, "checkpoint", 0, 86 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "CKPOINT"); 87 zprop_register_number(ZPOOL_PROP_LEAKED, "leaked", 0, PROP_READONLY, 88 ZFS_TYPE_POOL, "<size>", "LEAKED"); 89 zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0, 90 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC"); 91 zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0, 92 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ"); 93 zprop_register_number(ZPOOL_PROP_FRAGMENTATION, "fragmentation", 0, 94 PROP_READONLY, ZFS_TYPE_POOL, "<percent>", "FRAG"); 95 zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY, 96 ZFS_TYPE_POOL, "<size>", "CAP"); 97 zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY, 98 ZFS_TYPE_POOL, "<guid>", "GUID"); 99 zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY, 100 ZFS_TYPE_POOL, "<state>", "HEALTH"); 101 zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0, 102 PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>", 103 "DEDUP"); 104 105 /* system partition size */ 106 zprop_register_number(ZPOOL_PROP_BOOTSIZE, "bootsize", 0, PROP_ONETIME, 107 ZFS_TYPE_POOL, "<size>", "BOOTSIZE"); 108 109 /* default number properties */ 110 zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION, 111 PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION"); 112 zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0, 113 PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO"); 114 115 /* default index (boolean) properties */ 116 zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1, 117 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION", 118 boolean_table); 119 zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0, 120 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table); 121 zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0, 122 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS", 123 boolean_table); 124 zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0, 125 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table); 126 zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0, 127 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table); 128 129 /* default index properties */ 130 zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode", 131 ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL, 132 "wait | continue | panic", "FAILMODE", failuremode_table); 133 134 /* hidden properties */ 135 zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING, 136 PROP_READONLY, ZFS_TYPE_POOL, "NAME"); 137 zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize", 138 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE"); 139 zprop_register_hidden(ZPOOL_PROP_TNAME, "tname", PROP_TYPE_STRING, 140 PROP_ONETIME, ZFS_TYPE_POOL, "TNAME"); 141 } 142 143 /* 144 * Given a property name and its type, returns the corresponding property ID. 145 */ 146 zpool_prop_t 147 zpool_name_to_prop(const char *propname) 148 { 149 return (zprop_name_to_prop(propname, ZFS_TYPE_POOL)); 150 } 151 152 /* 153 * Given a pool property ID, returns the corresponding name. 154 * Assuming the pool propety ID is valid. 155 */ 156 const char * 157 zpool_prop_to_name(zpool_prop_t prop) 158 { 159 return (zpool_prop_table[prop].pd_name); 160 } 161 162 zprop_type_t 163 zpool_prop_get_type(zpool_prop_t prop) 164 { 165 return (zpool_prop_table[prop].pd_proptype); 166 } 167 168 boolean_t 169 zpool_prop_readonly(zpool_prop_t prop) 170 { 171 return (zpool_prop_table[prop].pd_attr == PROP_READONLY); 172 } 173 174 const char * 175 zpool_prop_default_string(zpool_prop_t prop) 176 { 177 return (zpool_prop_table[prop].pd_strdefault); 178 } 179 180 uint64_t 181 zpool_prop_default_numeric(zpool_prop_t prop) 182 { 183 return (zpool_prop_table[prop].pd_numdefault); 184 } 185 186 /* 187 * Returns true if this is a valid feature@ property. 188 */ 189 boolean_t 190 zpool_prop_feature(const char *name) 191 { 192 static const char *prefix = "feature@"; 193 return (strncmp(name, prefix, strlen(prefix)) == 0); 194 } 195 196 /* 197 * Returns true if this is a valid unsupported@ property. 198 */ 199 boolean_t 200 zpool_prop_unsupported(const char *name) 201 { 202 static const char *prefix = "unsupported@"; 203 return (strncmp(name, prefix, strlen(prefix)) == 0); 204 } 205 206 int 207 zpool_prop_string_to_index(zpool_prop_t prop, const char *string, 208 uint64_t *index) 209 { 210 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL)); 211 } 212 213 int 214 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index, 215 const char **string) 216 { 217 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL)); 218 } 219 220 uint64_t 221 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed) 222 { 223 return (zprop_random_value(prop, seed, ZFS_TYPE_POOL)); 224 } 225 226 #ifndef _KERNEL 227 228 const char * 229 zpool_prop_values(zpool_prop_t prop) 230 { 231 return (zpool_prop_table[prop].pd_values); 232 } 233 234 const char * 235 zpool_prop_column_name(zpool_prop_t prop) 236 { 237 return (zpool_prop_table[prop].pd_colname); 238 } 239 240 boolean_t 241 zpool_prop_align_right(zpool_prop_t prop) 242 { 243 return (zpool_prop_table[prop].pd_rightalign); 244 } 245 #endif 246