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, 2023, 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         zprop_register_number(ZPOOL_PROP_DEDUP_TABLE_SIZE, "dedup_table_size",
 129             0, PROP_READONLY, ZFS_TYPE_POOL, "<size>", "DDTSIZE", B_FALSE,
 130             sfeatures);
 131
 132         /* default number properties */
 133         zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
 134             PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION", B_FALSE,
 135             sfeatures);
 136         zprop_register_number(ZPOOL_PROP_ASHIFT, "ashift", 0, PROP_DEFAULT,
 137             ZFS_TYPE_POOL, "<ashift, 9-16, or 0=default>", "ASHIFT", B_FALSE,
 138             sfeatures);
 139         zprop_register_number(ZPOOL_PROP_DEDUP_TABLE_QUOTA, "dedup_table_quota",
 140             UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_POOL, "<size>", "DDTQUOTA",
 141             B_FALSE, sfeatures);
 142
 143         /* default index (boolean) properties */
 144         zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
 145             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
 146             boolean_table, sfeatures);
 147         zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
 148             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table,
 149             sfeatures);
 150         zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
 151             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
 152             boolean_table, sfeatures);
 153         zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
 154             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table,
 155             sfeatures);
 156         zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
 157             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table,
 158             sfeatures);
 159         zprop_register_index(ZPOOL_PROP_MULTIHOST, "multihost", 0,
 160             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "MULTIHOST",
 161             boolean_table, sfeatures);
 162
 163         /* default index properties */
 164         zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
 165             ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
 166             "wait | continue | panic", "FAILMODE", failuremode_table,
 167             sfeatures);
 168         zprop_register_index(ZPOOL_PROP_AUTOTRIM, "autotrim",
 169             SPA_AUTOTRIM_OFF, PROP_DEFAULT, ZFS_TYPE_POOL,
 170             "on | off", "AUTOTRIM", boolean_table, sfeatures);
 171
 172         /* hidden properties */
 173         zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
 174             PROP_READONLY, ZFS_TYPE_POOL, "NAME", B_TRUE, sfeatures);
 175         zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize",
 176             PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE",
 177             B_FALSE, sfeatures);
 178         zprop_register_hidden(ZPOOL_PROP_TNAME, "tname", PROP_TYPE_STRING,
 179             PROP_ONETIME, ZFS_TYPE_POOL, "TNAME", B_TRUE, sfeatures);
 180         zprop_register_hidden(ZPOOL_PROP_MAXDNODESIZE, "maxdnodesize",
 181             PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXDNODESIZE",
 182             B_FALSE, sfeatures);
 183         zprop_register_hidden(ZPOOL_PROP_DEDUPDITTO, "dedupditto",
 184             PROP_TYPE_NUMBER, PROP_DEFAULT, ZFS_TYPE_POOL, "DEDUPDITTO",
 185             B_FALSE, sfeatures);
 186         zprop_register_hidden(ZPOOL_PROP_DEDUPCACHED,
 187             ZPOOL_DEDUPCACHED_PROP_NAME, PROP_TYPE_NUMBER, PROP_READONLY,
 188             ZFS_TYPE_POOL, "DEDUPCACHED", B_FALSE, sfeatures);
 189
 190         zfs_mod_list_supported_free(sfeatures);
 191 }
 192
 193 /*
 194  * Given a property name and its type, returns the corresponding property ID.
 195  */
 196 zpool_prop_t
 197 zpool_name_to_prop(const char *propname)
 198 {
 199         return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
 200 }
 201
 202 /*
 203  * Given a pool property ID, returns the corresponding name.
 204  * Assuming the pool property ID is valid.
 205  */
 206 const char *
 207 zpool_prop_to_name(zpool_prop_t prop)
 208 {
 209         return (zpool_prop_table[prop].pd_name);
 210 }
 211
 212 zprop_type_t
 213 zpool_prop_get_type(zpool_prop_t prop)
 214 {
 215         return (zpool_prop_table[prop].pd_proptype);
 216 }
 217
 218 boolean_t
 219 zpool_prop_readonly(zpool_prop_t prop)
 220 {
 221         return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
 222 }
 223
 224 boolean_t
 225 zpool_prop_setonce(zpool_prop_t prop)
 226 {
 227         return (zpool_prop_table[prop].pd_attr == PROP_ONETIME);
 228 }
 229
 230 const char *
 231 zpool_prop_default_string(zpool_prop_t prop)
 232 {
 233         return (zpool_prop_table[prop].pd_strdefault);
 234 }
 235
 236 uint64_t
 237 zpool_prop_default_numeric(zpool_prop_t prop)
 238 {
 239         return (zpool_prop_table[prop].pd_numdefault);
 240 }
 241
 242 /*
 243  * Returns true if this is a valid feature@ property.
 244  */
 245 boolean_t
 246 zpool_prop_feature(const char *name)
 247 {
 248         static const char *prefix = "feature@";
 249         return (strncmp(name, prefix, strlen(prefix)) == 0);
 250 }
 251
 252 /*
 253  * Returns true if this is a valid unsupported@ property.
 254  */
 255 boolean_t
 256 zpool_prop_unsupported(const char *name)
 257 {
 258         static const char *prefix = "unsupported@";
 259         return (strncmp(name, prefix, strlen(prefix)) == 0);
 260 }
 261
 262 int
 263 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
 264     uint64_t *index)
 265 {
 266         return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
 267 }
 268
 269 int
 270 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
 271     const char **string)
 272 {
 273         return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
 274 }
 275
 276 uint64_t
 277 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
 278 {
 279         return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
 280 }
 281
 282 #ifndef _KERNEL
 283 #include <libzfs.h>
 284
 285 const char *
 286 zpool_prop_values(zpool_prop_t prop)
 287 {
 288         return (zpool_prop_table[prop].pd_values);
 289 }
 290
 291 const char *
 292 zpool_prop_column_name(zpool_prop_t prop)
 293 {
 294         return (zpool_prop_table[prop].pd_colname);
 295 }
 296
 297 boolean_t
 298 zpool_prop_align_right(zpool_prop_t prop)
 299 {
 300         return (zpool_prop_table[prop].pd_rightalign);
 301 }
 302 #endif
 303
 304 zprop_desc_t *
 305 vdev_prop_get_table(void)
 306 {
 307         return (vdev_prop_table);
 308 }
 309
 310 void
 311 vdev_prop_init(void)
 312 {
 313         static const zprop_index_t boolean_table[] = {
 314                 { "off",        0},
 315                 { "on",         1},
 316                 { NULL }
 317         };
 318         static const zprop_index_t boolean_na_table[] = {
 319                 { "off",        0},
 320                 { "on",         1},
 321                 { "-",          2},     /* ZPROP_BOOLEAN_NA */
 322                 { NULL }
 323         };
 324
 325         struct zfs_mod_supported_features *sfeatures =
 326             zfs_mod_list_supported(ZFS_SYSFS_VDEV_PROPERTIES);
 327
 328         /* string properties */
 329         zprop_register_string(VDEV_PROP_COMMENT, "comment", NULL,
 330             PROP_DEFAULT, ZFS_TYPE_VDEV, "<comment-string>", "COMMENT",
 331             sfeatures);
 332         zprop_register_string(VDEV_PROP_PATH, "path", NULL,
 333             PROP_DEFAULT, ZFS_TYPE_VDEV, "<device-path>", "PATH", sfeatures);
 334         zprop_register_string(VDEV_PROP_DEVID, "devid", NULL,
 335             PROP_READONLY, ZFS_TYPE_VDEV, "<devid>", "DEVID", sfeatures);
 336         zprop_register_string(VDEV_PROP_PHYS_PATH, "physpath", NULL,
 337             PROP_READONLY, ZFS_TYPE_VDEV, "<physpath>", "PHYSPATH", sfeatures);
 338         zprop_register_string(VDEV_PROP_ENC_PATH, "encpath", NULL,
 339             PROP_READONLY, ZFS_TYPE_VDEV, "<encpath>", "ENCPATH", sfeatures);
 340         zprop_register_string(VDEV_PROP_FRU, "fru", NULL,
 341             PROP_READONLY, ZFS_TYPE_VDEV, "<fru>", "FRU", sfeatures);
 342         zprop_register_string(VDEV_PROP_PARENT, "parent", NULL,
 343             PROP_READONLY, ZFS_TYPE_VDEV, "<parent>", "PARENT", sfeatures);
 344         zprop_register_string(VDEV_PROP_CHILDREN, "children", NULL,
 345             PROP_READONLY, ZFS_TYPE_VDEV, "<child[,...]>", "CHILDREN",
 346             sfeatures);
 347
 348         /* readonly number properties */
 349         zprop_register_number(VDEV_PROP_SIZE, "size", 0, PROP_READONLY,
 350             ZFS_TYPE_VDEV, "<size>", "SIZE", B_FALSE, sfeatures);
 351         zprop_register_number(VDEV_PROP_FREE, "free", 0, PROP_READONLY,
 352             ZFS_TYPE_VDEV, "<size>", "FREE", B_FALSE, sfeatures);
 353         zprop_register_number(VDEV_PROP_ALLOCATED, "allocated", 0,
 354             PROP_READONLY, ZFS_TYPE_VDEV, "<size>", "ALLOC", B_FALSE,
 355             sfeatures);
 356         zprop_register_number(VDEV_PROP_EXPANDSZ, "expandsize", 0,
 357             PROP_READONLY, ZFS_TYPE_VDEV, "<size>", "EXPANDSZ", B_FALSE,
 358             sfeatures);
 359         zprop_register_number(VDEV_PROP_FRAGMENTATION, "fragmentation", 0,
 360             PROP_READONLY, ZFS_TYPE_VDEV, "<percent>", "FRAG", B_FALSE,
 361             sfeatures);
 362         zprop_register_number(VDEV_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
 363             ZFS_TYPE_VDEV, "<size>", "CAP", B_FALSE, sfeatures);
 364         zprop_register_number(VDEV_PROP_GUID, "guid", 0, PROP_READONLY,
 365             ZFS_TYPE_VDEV, "<guid>", "GUID", B_TRUE, sfeatures);
 366         zprop_register_number(VDEV_PROP_STATE, "state", 0, PROP_READONLY,
 367             ZFS_TYPE_VDEV, "<state>", "STATE", B_FALSE, sfeatures);
 368         zprop_register_number(VDEV_PROP_BOOTSIZE, "bootsize", 0, PROP_READONLY,
 369             ZFS_TYPE_VDEV, "<size>", "BOOTSIZE", B_FALSE, sfeatures);
 370         zprop_register_number(VDEV_PROP_ASIZE, "asize", 0, PROP_READONLY,
 371             ZFS_TYPE_VDEV, "<asize>", "ASIZE", B_FALSE, sfeatures);
 372         zprop_register_number(VDEV_PROP_PSIZE, "psize", 0, PROP_READONLY,
 373             ZFS_TYPE_VDEV, "<psize>", "PSIZE", B_FALSE, sfeatures);
 374         zprop_register_number(VDEV_PROP_ASHIFT, "ashift", 0, PROP_READONLY,
 375             ZFS_TYPE_VDEV, "<ashift>", "ASHIFT", B_FALSE, sfeatures);
 376         zprop_register_number(VDEV_PROP_PARITY, "parity", 0, PROP_READONLY,
 377             ZFS_TYPE_VDEV, "<parity>", "PARITY", B_FALSE, sfeatures);
 378         zprop_register_number(VDEV_PROP_NUMCHILDREN, "numchildren", 0,
 379             PROP_READONLY, ZFS_TYPE_VDEV, "<number-of-children>", "NUMCHILD",
 380             B_FALSE, sfeatures);
 381         zprop_register_number(VDEV_PROP_READ_ERRORS, "read_errors", 0,
 382             PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "RDERR", B_FALSE,
 383             sfeatures);
 384         zprop_register_number(VDEV_PROP_WRITE_ERRORS, "write_errors", 0,
 385             PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "WRERR", B_FALSE,
 386             sfeatures);
 387         zprop_register_number(VDEV_PROP_CHECKSUM_ERRORS, "checksum_errors", 0,
 388             PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "CKERR", B_FALSE,
 389             sfeatures);
 390         zprop_register_number(VDEV_PROP_INITIALIZE_ERRORS,
 391             "initialize_errors", 0, PROP_READONLY, ZFS_TYPE_VDEV, "<errors>",
 392             "INITERR", B_FALSE, sfeatures);
 393         zprop_register_number(VDEV_PROP_TRIM_ERRORS, "trim_errors", 0,
 394             PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "TRIMERR", B_FALSE,
 395             sfeatures);
 396         zprop_register_number(VDEV_PROP_SLOW_IOS, "slow_ios", 0,
 397             PROP_READONLY, ZFS_TYPE_VDEV, "<slowios>", "SLOW", B_FALSE,
 398             sfeatures);
 399         zprop_register_number(VDEV_PROP_OPS_NULL, "null_ops", 0,
 400             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "NULLOP", B_FALSE,
 401             sfeatures);
 402         zprop_register_number(VDEV_PROP_OPS_READ, "read_ops", 0,
 403             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "READOP", B_FALSE,
 404             sfeatures);
 405         zprop_register_number(VDEV_PROP_OPS_WRITE, "write_ops", 0,
 406             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "WRITEOP", B_FALSE,
 407             sfeatures);
 408         zprop_register_number(VDEV_PROP_OPS_FREE, "free_ops", 0,
 409             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "FREEOP", B_FALSE,
 410             sfeatures);
 411         zprop_register_number(VDEV_PROP_OPS_CLAIM, "claim_ops", 0,
 412             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "CLAIMOP", B_FALSE,
 413             sfeatures);
 414         zprop_register_number(VDEV_PROP_OPS_TRIM, "trim_ops", 0,
 415             PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "TRIMOP", B_FALSE,
 416             sfeatures);
 417         zprop_register_number(VDEV_PROP_BYTES_NULL, "null_bytes", 0,
 418             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "NULLBYTE", B_FALSE,
 419             sfeatures);
 420         zprop_register_number(VDEV_PROP_BYTES_READ, "read_bytes", 0,
 421             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "READBYTE", B_FALSE,
 422             sfeatures);
 423         zprop_register_number(VDEV_PROP_BYTES_WRITE, "write_bytes", 0,
 424             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "WRITEBYTE", B_FALSE,
 425             sfeatures);
 426         zprop_register_number(VDEV_PROP_BYTES_FREE, "free_bytes", 0,
 427             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "FREEBYTE", B_FALSE,
 428             sfeatures);
 429         zprop_register_number(VDEV_PROP_BYTES_CLAIM, "claim_bytes", 0,
 430             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "CLAIMBYTE", B_FALSE,
 431             sfeatures);
 432         zprop_register_number(VDEV_PROP_BYTES_TRIM, "trim_bytes", 0,
 433             PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "TRIMBYTE", B_FALSE,
 434             sfeatures);
 435
 436         /* default numeric properties */
 437         zprop_register_number(VDEV_PROP_CHECKSUM_N, "checksum_n", UINT64_MAX,
 438             PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "CKSUM_N", B_FALSE,
 439             sfeatures);
 440         zprop_register_number(VDEV_PROP_CHECKSUM_T, "checksum_t", UINT64_MAX,
 441             PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "CKSUM_T", B_FALSE,
 442             sfeatures);
 443         zprop_register_number(VDEV_PROP_IO_N, "io_n", UINT64_MAX,
 444             PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "IO_N", B_FALSE,
 445             sfeatures);
 446         zprop_register_number(VDEV_PROP_IO_T, "io_t", UINT64_MAX,
 447             PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "IO_T", B_FALSE,
 448             sfeatures);
 449         zprop_register_number(VDEV_PROP_SLOW_IO_N, "slow_io_n", UINT64_MAX,
 450             PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "SLOW_IO_N", B_FALSE,
 451             sfeatures);
 452         zprop_register_number(VDEV_PROP_SLOW_IO_T, "slow_io_t", UINT64_MAX,
 453             PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "SLOW_IO_T", B_FALSE,
 454             sfeatures);
 455
 456         /* default index (boolean) properties */
 457         zprop_register_index(VDEV_PROP_REMOVING, "removing", 0,
 458             PROP_READONLY, ZFS_TYPE_VDEV, "on | off", "REMOVING",
 459             boolean_table, sfeatures);
 460         zprop_register_index(VDEV_PROP_ALLOCATING, "allocating", 1,
 461             PROP_DEFAULT, ZFS_TYPE_VDEV, "on | off", "ALLOCATING",
 462             boolean_na_table, sfeatures);
 463         zprop_register_index(VDEV_PROP_RAIDZ_EXPANDING, "raidz_expanding", 0,
 464             PROP_READONLY, ZFS_TYPE_VDEV, "on | off", "RAIDZ_EXPANDING",
 465             boolean_table, sfeatures);
 466         zprop_register_index(VDEV_PROP_TRIM_SUPPORT, "trim_support", 0,
 467             PROP_READONLY, ZFS_TYPE_VDEV, "on | off", "TRIMSUP",
 468             boolean_table, sfeatures);
 469
 470         /* default index properties */
 471         zprop_register_index(VDEV_PROP_FAILFAST, "failfast", B_TRUE,
 472             PROP_DEFAULT, ZFS_TYPE_VDEV, "on | off", "FAILFAST", boolean_table,
 473             sfeatures);
 474
 475         /* hidden properties */
 476         zprop_register_hidden(VDEV_PROP_NAME, "name", PROP_TYPE_STRING,
 477             PROP_READONLY, ZFS_TYPE_VDEV, "NAME", B_TRUE, sfeatures);
 478
 479         zfs_mod_list_supported_free(sfeatures);
 480 }
 481
 482 /*
 483  * Given a property name and its type, returns the corresponding property ID.
 484  */
 485 vdev_prop_t
 486 vdev_name_to_prop(const char *propname)
 487 {
 488         return (zprop_name_to_prop(propname, ZFS_TYPE_VDEV));
 489 }
 490
 491 /*
 492  * Returns true if this is a valid user-defined property (one with a ':').
 493  */
 494 boolean_t
 495 vdev_prop_user(const char *name)
 496 {
 497         int i, len;
 498         char c;
 499         boolean_t foundsep = B_FALSE;
 500
 501         len = strlen(name);
 502         for (i = 0; i < len; i++) {
 503                 c = name[i];
 504                 if (!zprop_valid_char(c))
 505                         return (B_FALSE);
 506                 if (c == ':')
 507                         foundsep = B_TRUE;
 508         }
 509
 510         return (foundsep);
 511 }
 512
 513 /*
 514  * Given a pool property ID, returns the corresponding name.
 515  * Assuming the pool property ID is valid.
 516  */
 517 const char *
 518 vdev_prop_to_name(vdev_prop_t prop)
 519 {
 520         return (vdev_prop_table[prop].pd_name);
 521 }
 522
 523 zprop_type_t
 524 vdev_prop_get_type(vdev_prop_t prop)
 525 {
 526         return (vdev_prop_table[prop].pd_proptype);
 527 }
 528
 529 boolean_t
 530 vdev_prop_readonly(vdev_prop_t prop)
 531 {
 532         return (vdev_prop_table[prop].pd_attr == PROP_READONLY);
 533 }
 534
 535 const char *
 536 vdev_prop_default_string(vdev_prop_t prop)
 537 {
 538         return (vdev_prop_table[prop].pd_strdefault);
 539 }
 540
 541 uint64_t
 542 vdev_prop_default_numeric(vdev_prop_t prop)
 543 {
 544         return (vdev_prop_table[prop].pd_numdefault);
 545 }
 546
 547 int
 548 vdev_prop_string_to_index(vdev_prop_t prop, const char *string,
 549     uint64_t *index)
 550 {
 551         return (zprop_string_to_index(prop, string, index, ZFS_TYPE_VDEV));
 552 }
 553
 554 int
 555 vdev_prop_index_to_string(vdev_prop_t prop, uint64_t index,
 556     const char **string)
 557 {
 558         return (zprop_index_to_string(prop, index, string, ZFS_TYPE_VDEV));
 559 }
 560
 561 /*
 562  * Returns true if this is a valid vdev property.
 563  */
 564 boolean_t
 565 zpool_prop_vdev(const char *name)
 566 {
 567         return (vdev_name_to_prop(name) != VDEV_PROP_INVAL);
 568 }
 569
 570 uint64_t
 571 vdev_prop_random_value(vdev_prop_t prop, uint64_t seed)
 572 {
 573         return (zprop_random_value(prop, seed, ZFS_TYPE_VDEV));
 574 }
 575
 576 #ifndef _KERNEL
 577 const char *
 578 vdev_prop_values(vdev_prop_t prop)
 579 {
 580         return (vdev_prop_table[prop].pd_values);
 581 }
 582
 583 const char *
 584 vdev_prop_column_name(vdev_prop_t prop)
 585 {
 586         return (vdev_prop_table[prop].pd_colname);
 587 }
 588
 589 boolean_t
 590 vdev_prop_align_right(vdev_prop_t prop)
 591 {
 592         return (vdev_prop_table[prop].pd_rightalign);
 593 }
 594 #endif
 595
 596 #if defined(_KERNEL)
 597 /* zpool property functions */
 598 EXPORT_SYMBOL(zpool_prop_init);
 599 EXPORT_SYMBOL(zpool_prop_get_type);
 600 EXPORT_SYMBOL(zpool_prop_get_table);
 601
 602 /* vdev property functions */
 603 EXPORT_SYMBOL(vdev_prop_init);
 604 EXPORT_SYMBOL(vdev_prop_get_type);
 605 EXPORT_SYMBOL(vdev_prop_get_table);
 606
 607 /* Pool property functions shared between libzfs and kernel. */
 608 EXPORT_SYMBOL(zpool_name_to_prop);
 609 EXPORT_SYMBOL(zpool_prop_to_name);
 610 EXPORT_SYMBOL(zpool_prop_default_string);
 611 EXPORT_SYMBOL(zpool_prop_default_numeric);
 612 EXPORT_SYMBOL(zpool_prop_readonly);
 613 EXPORT_SYMBOL(zpool_prop_feature);
 614 EXPORT_SYMBOL(zpool_prop_unsupported);
 615 EXPORT_SYMBOL(zpool_prop_index_to_string);
 616 EXPORT_SYMBOL(zpool_prop_string_to_index);
 617 EXPORT_SYMBOL(zpool_prop_vdev);
 618
 619 /* vdev property functions shared between libzfs and kernel. */
 620 EXPORT_SYMBOL(vdev_name_to_prop);
 621 EXPORT_SYMBOL(vdev_prop_user);
 622 EXPORT_SYMBOL(vdev_prop_to_name);
 623 EXPORT_SYMBOL(vdev_prop_default_string);
 624 EXPORT_SYMBOL(vdev_prop_default_numeric);
 625 EXPORT_SYMBOL(vdev_prop_readonly);
 626 EXPORT_SYMBOL(vdev_prop_index_to_string);
 627 EXPORT_SYMBOL(vdev_prop_string_to_index);
 628 #endif