module/zcommon/zpool_prop.c

   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 https://opensource.org/licenses/CDDL-1.0.
  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, 2018 by Delphix. All rights reserved.
  25  * Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
  26  * Copyright (c) 2021, Klara Inc.
  27  */
  28
  29 #include <sys/zio.h>
  30 #include <sys/spa.h>
  31 #include <sys/zfs_acl.h>
  32 #include <sys/zfs_ioctl.h>
  33 #include <sys/fs/zfs.h>
  34
  35 #include "zfs_prop.h"
  36
  37 #if !defined(_KERNEL)
  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 static zprop_desc_t vdev_prop_table[VDEV_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 const zprop_index_t boolean_table[] = {
  56                 { "off",        0},
  57                 { "on",         1},
  58                 { NULL }
  59         };
  60
  61         static const 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         struct zfs_mod_supported_features *sfeatures =
  69             zfs_mod_list_supported(ZFS_SYSFS_POOL_PROPERTIES);
  70
  71         /* string properties */
  72         zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
  73             ZFS_TYPE_POOL, "<path>", "ALTROOT", sfeatures);
  74         zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
  75             ZFS_TYPE_POOL, "<filesystem>", "BOOTFS", sfeatures);
  76         zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL,
  77             PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE",
  78             sfeatures);
  79         zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL,
  80             PROP_DEFAULT, ZFS_TYPE_POOL, "<comment-string>", "COMMENT",
  81             sfeatures);
  82         zprop_register_string(ZPOOL_PROP_COMPATIBILITY, "compatibility",
  83             "off", PROP_DEFAULT, ZFS_TYPE_POOL,
  84             "<file[,file...]> | off | legacy", "COMPATIBILITY", sfeatures);
  85
  86         /* readonly number properties */
  87         zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
  88             ZFS_TYPE_POOL, "<size>", "SIZE", B_FALSE, sfeatures);
  89         zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
  90             ZFS_TYPE_POOL, "<size>", "FREE", B_FALSE, sfeatures);
  91         zprop_register_number(ZPOOL_PROP_FREEING, "freeing", 0, PROP_READONLY,
  92             ZFS_TYPE_POOL, "<size>", "FREEING", B_FALSE, sfeatures);
  93         zprop_register_number(ZPOOL_PROP_CHECKPOINT, "checkpoint", 0,
  94             PROP_READONLY, ZFS_TYPE_POOL, "<size>", "CKPOINT", B_FALSE,
  95             sfeatures);
  96         zprop_register_number(ZPOOL_PROP_LEAKED, "leaked", 0, PROP_READONLY,
  97             ZFS_TYPE_POOL, "<size>", "LEAKED", B_FALSE, sfeatures);
  98         zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
  99             PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC", B_FALSE,
 100             sfeatures);
 101         zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0,
 102             PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ", B_FALSE,
 103             sfeatures);
 104         zprop_register_number(ZPOOL_PROP_FRAGMENTATION, "fragmentation", 0,
 105             PROP_READONLY, ZFS_TYPE_POOL, "<percent>", "FRAG", B_FALSE,
 106             sfeatures);
 107         zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
 108             ZFS_TYPE_POOL, "<size>", "CAP", B_FALSE, sfeatures);
 109         zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
 110             ZFS_TYPE_POOL, "<guid>", "GUID", B_TRUE, sfeatures);
 111         zprop_register_number(ZPOOL_PROP_LOAD_GUID, "load_guid", 0,
 112             PROP_READONLY, ZFS_TYPE_POOL, "<load_guid>", "LOAD_GUID",
 113             B_TRUE, sfeatures);
 114         zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
 115             ZFS_TYPE_POOL, "<state>", "HEALTH", B_FALSE, sfeatures);
 116         zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
 117             PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
 118             "DEDUP", B_FALSE, sfeatures);
 119         zprop_register_number(ZPOOL_PROP_BCLONEUSED, "bcloneused", 0,
 120             PROP_READONLY, ZFS_TYPE_POOL, "<size>",
 121             "BCLONE_USED", B_FALSE, sfeatures);
 122         zprop_register_number(ZPOOL_PROP_BCLONESAVED, "bclonesaved", 0,
 123             PROP_READONLY, ZFS_TYPE_POOL, "<size>",
 124             "BCLONE_SAVED", B_FALSE, sfeatures);
 125         zprop_register_number(ZPOOL_PROP_BCLONERATIO, "bcloneratio", 0,
 126             PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if cloned>",
 127             "BCLONE_RATIO", B_FALSE, sfeatures);
 128
 129         /* default number properties */
 130         zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
 131             PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION", B_FALSE,
 132             sfeatures);
 133         zprop_register_number(ZPOOL_PROP_ASHIFT, "ashift", 0, PROP_DEFAULT,
 134             ZFS_TYPE_POOL, "<ashift, 9-16, or 0=default>", "ASHIFT", B_FALSE,
 135             sfeatures);
 136
 137         /* default index (boolean) properties */
 138         zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
 139             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
 140             boolean_table, sfeatures);
 141         zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
 142             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table,
 143             sfeatures);
 144         zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
 145             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
 146             boolean_table, sfeatures);
 147         zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
 148             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table,
 149             sfeatures);
 150         zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
 151             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table,
 152             sfeatures);
 153         zprop_register_index(ZPOOL_PROP_MULTIHOST, "multihost", 0,
 154             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "MULTIHOST",
 155             boolean_table, sfeatures);
 156
 157         /* default index properties */
 158         zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
 159             ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
 160             "wait | continue | panic", "FAILMODE", failuremode_table,
 161             sfeatures);
 162         zprop_register_index(ZPOOL_PROP_AUTOTRIM, "autotrim",
 163             SPA_AUTOTRIM_OFF, PROP_DEFAULT, ZFS_TYPE_POOL,
 164             "on | off", "AUTOTRIM", boolean_table, sfeatures);
 165
 166         /* hidden properties */
 167         zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
 168             PROP_READONLY, ZFS_TYPE_POOL, "NAME", B_TRUE, sfeatures);
 169         zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize",
 170             PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE",
 171             B_FALSE, sfeatures);
 172         zprop_register_hidden(ZPOOL_PROP_TNAME, "tname", PROP_TYPE_STRING,
 173             PROP_ONETIME, ZFS_TYPE_POOL, "TNAME", B_TRUE, sfeatures);
 174         zprop_register_hidden(ZPOOL_PROP_MAXDNODESIZE, "maxdnodesize",
 175             PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXDNODESIZE",
 176             B_FALSE, sfeatures);
 177         zprop_register_hidden(ZPOOL_PROP_DEDUPDITTO, "dedupditto",
 178             PROP_TYPE_NUMBER, PROP_DEFAULT, ZFS_TYPE_POOL, "DEDUPDITTO",
 179             B_FALSE, sfeatures);
 180
 181         zfs_mod_list_supported_free(sfeatures);
 182 }
 183
 184 /*
 185  * Given a property name and its type, returns the corresponding property ID.
 186  */
 187 zpool_prop_t
 188 zpool_name_to_prop(const char *propname)
 189 {
 190         return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
 191 }
 192
 193 /*
 194  * Given a pool property ID, returns the corresponding name.
 195  * Assuming the pool property ID is valid.
 196  */
 197 const char *
 198 zpool_prop_to_name(zpool_prop_t prop)
 199 {
 200         return (zpool_prop_table[prop].pd_name);
 201 }
 202
 203 zprop_type_t
 204 zpool_prop_get_type(zpool_prop_t prop)
 205 {
 206         return (zpool_prop_table[prop].pd_proptype);
 207 }
 208
 209 boolean_t
 210 zpool_prop_readonly(zpool_prop_t prop)
 211 {
 212         return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
 213 }
 214
 215 boolean_t
 216 zpool_prop_setonce(zpool_prop_t prop)
 217 {
 218         return (zpool_prop_table[prop].pd_attr == PROP_ONETIME);
 219 }
 220
 221 const char *
 222 zpool_prop_default_string(zpool_prop_t prop)
 223 {
 224         return (zpool_prop_table[prop].pd_strdefault);
 225 }
 226
 227 uint64_t
 228 zpool_prop_default_numeric(zpool_prop_t prop)
 229 {
 230         return (zpool_prop_table[prop].pd_numdefault);
 231 }
 232
 233 /*
 234  * Returns true if this is a valid feature@ property.
 235  */
 236 boolean_t
 237 zpool_prop_feature(const char *name)
 238 {
 239         static const char *prefix = "feature@";
 240         return (strncmp(name, prefix, strlen(prefix)) == 0);
 241 }
 242
 243 /*
 244  * Returns true if this is a valid unsupported@ property.
 245  */
 246 boolean_t
 247 zpool_prop_unsupported(const char *name)
 248 {
 249         static const char *prefix = "unsupported@";
 250         return (strncmp(name, prefix, strlen(prefix)) == 0);
 251 }
 252
 253 int
 254 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
 255     uint64_t *index)
 256 {
 257         return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
 258 }
 259
 260 int
 261 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
 262     const char **string)
 263 {
 264         return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
 265 }
 266
 267 uint64_t
 268 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
 269 {
 270         return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
 271 }
 272
 273 #ifndef _KERNEL
 274 #include <libzfs.h>
 275
 276 const char *
 277 zpool_prop_values(zpool_prop_t prop)
 278 {
 279         return (zpool_prop_table[prop].pd_values);
 280 }
 281
 282 const char *
 283 zpool_prop_column_name(zpool_prop_t prop)
 284 {
 285         return (zpool_prop_table[prop].pd_colname);
 286 }
 287
 288 boolean_t
 289 zpool_prop_align_right(zpool_prop_t prop)
 290 {
 291         return (zpool_prop_table[prop].pd_rightalign);
 292 }
 293 #endif
 294
 295 zprop_desc_t *
 296 vdev_prop_get_table(void)
 297 {
 298         return (vdev_prop_table);
 299 }
 300
 301 void
 302 vdev_prop_init(void)
 303 {
 304         static const zprop_index_t boolean_table[] = {
 305                 { "off",        0},
 306                 { "on",         1},
 307                 { NULL }
 308         };
 309         static const zprop_index_t boolean_na_table[] = {
 310                 { "off",        0},
 311                 { "on",         1},
 312                 { "-",          2},     /* ZPROP_BOOLEAN_NA */
 313                 { NULL }
 314         };
 315
 316         struct zfs_mod_supported_features *sfeatures =
 317             zfs_mod_list_supported(ZFS_SYSFS_VDEV_PROPERTIES);
 318
 319         /* string properties */
 320         zprop_register_string(VDEV_PROP_COMMENT, "comment", NULL,
 321             PROP_DEFAULT, ZFS_TYPE_VDEV, "<comment-string>", "COMMENT",
 322             sfeatures);
 323         zprop_register_string(VDEV_PROP_PATH, "path", NULL,
 324             PROP_DEFAULT, ZFS_TYPE_VDEV, "<device-path>", "PATH", sfeatures);
 325         zprop_register_string(VDEV_PROP_DEVID, "devid", NULL,
 326             PROP_READONLY, ZFS_TYPE_VDEV, "<devid>", "DEVID", sfeatures);
 327         zprop_register_string(VDEV_PROP_PHYS_PATH, "physpath", NULL,
 328             PROP_READONLY, ZFS_TYPE_VDEV, "<physpath>", "PHYSPATH", sfeatures);
 329         zprop_register_string(VDEV_PROP_ENC_PATH, "encpath", NULL,
 330             PROP_READONLY, ZFS_TYPE_VDEV, "<encpath>", "ENCPATH", sfeatures);
 331         zprop_register_string(VDEV_PROP_FRU, "fru", NULL,
 332             PROP_READONLY, ZFS_TYPE_VDEV, "<fru>", "FRU", sfeatures);
 333         zprop_register_string(VDEV_PROP_PARENT, "parent", NULL,
 334             PROP_READONLY, ZFS_TYPE_VDEV, "<parent>", "PARENT", sfeatures);
 335         zprop_register_string(VDEV_PROP_CHILDREN, "children", NULL,
 336             PROP_READONLY, ZFS_TYPE_VDEV, "<child[,...]>", "CHILDREN",
 337             sfeatures);
 338
 339         /* readonly number properties */
 340         zprop_register_number(VDEV_PROP_SIZE, "size", 0, PROP_READONLY,
 341             ZFS_TYPE_VDEV, "<size>", "SIZE", B_FALSE, sfeatures);
 342         zprop_register_number(VDEV_PROP_FREE, "free", 0, PROP_READONLY,
 343             ZFS_TYPE_VDEV, "<size>", "FREE", B_FALSE, sfeatures);
 344         zprop_register_number(VDEV_PROP_ALLOCATED, "allocated", 0,
 345             PROP_READONLY, ZFS_TYPE_VDEV, "<size>", "ALLOC", B_FALSE,
 346             sfeatures);
 347         zprop_register_number(VDEV_PROP_EXPANDSZ, "expandsize", 0,
 348             PROP_READONLY, ZFS_TYPE_VDEV, "<size>", "EXPANDSZ", B_FALSE,
 349             sfeatures);
 350         zprop_register_number(VDEV_PROP_FRAGMENTATION, "fragmentation", 0,
 351             PROP_READONLY, ZFS_TYPE_VDEV, "<percent>", "FRAG", B_FALSE,
 352             sfeatures);
 353         zprop_register_number(VDEV_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
 354             ZFS_TYPE_VDEV, "<size>", "CAP", B_FALSE, sfeatures);
 355         zprop_register_number(VDEV_PROP_GUID, "guid", 0, PROP_READONLY,
 356             ZFS_TYPE_VDEV, "<guid>", "GUID", B_TRUE, sfeatures);
 357         zprop_register_number(VDEV_PROP_STATE, "state", 0, PROP_READONLY,
 358             ZFS_TYPE_VDEV, "<state>", "STATE", B_FALSE, sfeatures);
 359         zprop_register_number(VDEV_PROP_BOOTSIZE, "bootsize", 0, PROP_READONLY,
 360             ZFS_TYPE_VDEV, "<size>", "BOOTSIZE", B_FALSE, sfeatures);
 361         zprop_register_number(VDEV_PROP_ASIZE, "asize", 0, PROP_READONLY,
 362             ZFS_TYPE_VDEV, "<asize>", "ASIZE", B_FALSE, sfeatures);
 363         zprop_register_number(VDEV_PROP_PSIZE, "psize", 0, PROP_READONLY,
 364             ZFS_TYPE_VDEV, "<psize>", "PSIZE", B_FALSE, sfeatures);
 365         zprop_register_number(VDEV_PROP_ASHIFT, "ashift", 0, PROP_READONLY,
 366             ZFS_TYPE_VDEV, "<ashift>", "ASHIFT", B_FALSE, sfeatures);
 367         zprop_register_number(VDEV_PROP_PARITY, "parity", 0, PROP_READONLY,
 368             ZFS_TYPE_VDEV, "<parity>", "PARITY", B_FALSE, sfeatures);
 369         zprop_register_number(VDEV_PROP_NUMCHILDREN, "numchildren", 0,
 370             PROP_READONLY, ZFS_TYPE_VDEV, "<number-of-children>", "NUMCHILD",
 371             B_FALSE, sfeatures);
 372         zprop_register_number(VDEV_PROP_READ_ERRORS, "read_errors", 0,
 373             PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "RDERR", B_FALSE,
 374             sfeatures);
 375         zprop_register_number(VDEV_PROP_WRITE_ERRORS, "write_errors", 0,
 376             PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "WRERR", B_FALSE,
 377             sfeatures);
 378         zprop_register_number(VDEV_PROP_CHECKSUM_ERRORS, "checksum_errors", 0,
 379             PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "CKERR", B_FALSE,
 380             sfeatures);
 381         zprop_register_number(VDEV_PROP_INITIALIZE_ERRORS,
 382             "initialize_errors", 0, PROP_READONLY, ZFS_TYPE_VDEV, "<errors>",
 383             "INITERR", B_FALSE, sfeatures);
 384         zprop_register_number(VDEV_PROP_OPS_NULL, "null_ops", 0,
 385             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "NULLOP", B_FALSE,
 386             sfeatures);
 387         zprop_register_number(VDEV_PROP_OPS_READ, "read_ops", 0,
 388             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "READOP", B_FALSE,
 389             sfeatures);
 390         zprop_register_number(VDEV_PROP_OPS_WRITE, "write_ops", 0,
 391             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "WRITEOP", B_FALSE,
 392             sfeatures);
 393         zprop_register_number(VDEV_PROP_OPS_FREE, "free_ops", 0,
 394             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "FREEOP", B_FALSE,
 395             sfeatures);
 396         zprop_register_number(VDEV_PROP_OPS_CLAIM, "claim_ops", 0,
 397             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "CLAIMOP", B_FALSE,
 398             sfeatures);
 399         zprop_register_number(VDEV_PROP_OPS_TRIM, "trim_ops", 0,
 400             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "TRIMOP", B_FALSE,
 401             sfeatures);
 402         zprop_register_number(VDEV_PROP_BYTES_NULL, "null_bytes", 0,
 403             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "NULLBYTE", B_FALSE,
 404             sfeatures);
 405         zprop_register_number(VDEV_PROP_BYTES_READ, "read_bytes", 0,
 406             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "READBYTE", B_FALSE,
 407             sfeatures);
 408         zprop_register_number(VDEV_PROP_BYTES_WRITE, "write_bytes", 0,
 409             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "WRITEBYTE", B_FALSE,
 410             sfeatures);
 411         zprop_register_number(VDEV_PROP_BYTES_FREE, "free_bytes", 0,
 412             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "FREEBYTE", B_FALSE,
 413             sfeatures);
 414         zprop_register_number(VDEV_PROP_BYTES_CLAIM, "claim_bytes", 0,
 415             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "CLAIMBYTE", B_FALSE,
 416             sfeatures);
 417         zprop_register_number(VDEV_PROP_BYTES_TRIM, "trim_bytes", 0,
 418             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "TRIMBYTE", B_FALSE,
 419             sfeatures);
 420
 421         /* default numeric properties */
 422         zprop_register_number(VDEV_PROP_CHECKSUM_N, "checksum_n", UINT64_MAX,
 423             PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "CKSUM_N", B_FALSE,
 424             sfeatures);
 425         zprop_register_number(VDEV_PROP_CHECKSUM_T, "checksum_t", UINT64_MAX,
 426             PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "CKSUM_T", B_FALSE,
 427             sfeatures);
 428         zprop_register_number(VDEV_PROP_IO_N, "io_n", UINT64_MAX,
 429             PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "IO_N", B_FALSE,
 430             sfeatures);
 431         zprop_register_number(VDEV_PROP_IO_T, "io_t", UINT64_MAX,
 432             PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "IO_T", B_FALSE,
 433             sfeatures);
 434
 435         /* default index (boolean) properties */
 436         zprop_register_index(VDEV_PROP_REMOVING, "removing", 0,
 437             PROP_READONLY, ZFS_TYPE_VDEV, "on | off", "REMOVING",
 438             boolean_table, sfeatures);
 439         zprop_register_index(VDEV_PROP_ALLOCATING, "allocating", 1,
 440             PROP_DEFAULT, ZFS_TYPE_VDEV, "on | off", "ALLOCATING",
 441             boolean_na_table, sfeatures);
 442
 443         /* default index properties */
 444         zprop_register_index(VDEV_PROP_FAILFAST, "failfast", B_TRUE,
 445             PROP_DEFAULT, ZFS_TYPE_VDEV, "on | off", "FAILFAST", boolean_table,
 446             sfeatures);
 447
 448         /* hidden properties */
 449         zprop_register_hidden(VDEV_PROP_NAME, "name", PROP_TYPE_STRING,
 450             PROP_READONLY, ZFS_TYPE_VDEV, "NAME", B_TRUE, sfeatures);
 451
 452         zfs_mod_list_supported_free(sfeatures);
 453 }
 454
 455 /*
 456  * Given a property name and its type, returns the corresponding property ID.
 457  */
 458 vdev_prop_t
 459 vdev_name_to_prop(const char *propname)
 460 {
 461         return (zprop_name_to_prop(propname, ZFS_TYPE_VDEV));
 462 }
 463
 464 /*
 465  * Returns true if this is a valid user-defined property (one with a ':').
 466  */
 467 boolean_t
 468 vdev_prop_user(const char *name)
 469 {
 470         int i;
 471         char c;
 472         boolean_t foundsep = B_FALSE;
 473
 474         for (i = 0; i < strlen(name); i++) {
 475                 c = name[i];
 476                 if (!zprop_valid_char(c))
 477                         return (B_FALSE);
 478                 if (c == ':')
 479                         foundsep = B_TRUE;
 480         }
 481
 482         return (foundsep);
 483 }
 484
 485 /*
 486  * Given a pool property ID, returns the corresponding name.
 487  * Assuming the pool property ID is valid.
 488  */
 489 const char *
 490 vdev_prop_to_name(vdev_prop_t prop)
 491 {
 492         return (vdev_prop_table[prop].pd_name);
 493 }
 494
 495 zprop_type_t
 496 vdev_prop_get_type(vdev_prop_t prop)
 497 {
 498         return (vdev_prop_table[prop].pd_proptype);
 499 }
 500
 501 boolean_t
 502 vdev_prop_readonly(vdev_prop_t prop)
 503 {
 504         return (vdev_prop_table[prop].pd_attr == PROP_READONLY);
 505 }
 506
 507 const char *
 508 vdev_prop_default_string(vdev_prop_t prop)
 509 {
 510         return (vdev_prop_table[prop].pd_strdefault);
 511 }
 512
 513 uint64_t
 514 vdev_prop_default_numeric(vdev_prop_t prop)
 515 {
 516         return (vdev_prop_table[prop].pd_numdefault);
 517 }
 518
 519 int
 520 vdev_prop_string_to_index(vdev_prop_t prop, const char *string,
 521     uint64_t *index)
 522 {
 523         return (zprop_string_to_index(prop, string, index, ZFS_TYPE_VDEV));
 524 }
 525
 526 int
 527 vdev_prop_index_to_string(vdev_prop_t prop, uint64_t index,
 528     const char **string)
 529 {
 530         return (zprop_index_to_string(prop, index, string, ZFS_TYPE_VDEV));
 531 }
 532
 533 /*
 534  * Returns true if this is a valid vdev property.
 535  */
 536 boolean_t
 537 zpool_prop_vdev(const char *name)
 538 {
 539         return (vdev_name_to_prop(name) != VDEV_PROP_INVAL);
 540 }
 541
 542 uint64_t
 543 vdev_prop_random_value(vdev_prop_t prop, uint64_t seed)
 544 {
 545         return (zprop_random_value(prop, seed, ZFS_TYPE_VDEV));
 546 }
 547
 548 #ifndef _KERNEL
 549 const char *
 550 vdev_prop_values(vdev_prop_t prop)
 551 {
 552         return (vdev_prop_table[prop].pd_values);
 553 }
 554
 555 const char *
 556 vdev_prop_column_name(vdev_prop_t prop)
 557 {
 558         return (vdev_prop_table[prop].pd_colname);
 559 }
 560
 561 boolean_t
 562 vdev_prop_align_right(vdev_prop_t prop)
 563 {
 564         return (vdev_prop_table[prop].pd_rightalign);
 565 }
 566 #endif
 567
 568 #if defined(_KERNEL)
 569 /* zpool property functions */
 570 EXPORT_SYMBOL(zpool_prop_init);
 571 EXPORT_SYMBOL(zpool_prop_get_type);
 572 EXPORT_SYMBOL(zpool_prop_get_table);
 573
 574 /* vdev property functions */
 575 EXPORT_SYMBOL(vdev_prop_init);
 576 EXPORT_SYMBOL(vdev_prop_get_type);
 577 EXPORT_SYMBOL(vdev_prop_get_table);
 578
 579 /* Pool property functions shared between libzfs and kernel. */
 580 EXPORT_SYMBOL(zpool_name_to_prop);
 581 EXPORT_SYMBOL(zpool_prop_to_name);
 582 EXPORT_SYMBOL(zpool_prop_default_string);
 583 EXPORT_SYMBOL(zpool_prop_default_numeric);
 584 EXPORT_SYMBOL(zpool_prop_readonly);
 585 EXPORT_SYMBOL(zpool_prop_feature);
 586 EXPORT_SYMBOL(zpool_prop_unsupported);
 587 EXPORT_SYMBOL(zpool_prop_index_to_string);
 588 EXPORT_SYMBOL(zpool_prop_string_to_index);
 589 EXPORT_SYMBOL(zpool_prop_vdev);
 590
 591 /* vdev property functions shared between libzfs and kernel. */
 592 EXPORT_SYMBOL(vdev_name_to_prop);
 593 EXPORT_SYMBOL(vdev_prop_user);
 594 EXPORT_SYMBOL(vdev_prop_to_name);
 595 EXPORT_SYMBOL(vdev_prop_default_string);
 596 EXPORT_SYMBOL(vdev_prop_default_numeric);
 597 EXPORT_SYMBOL(vdev_prop_readonly);
 598 EXPORT_SYMBOL(vdev_prop_index_to_string);
 599 EXPORT_SYMBOL(vdev_prop_string_to_index);
 600 #endif