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 * Copyright (c) 2011, 2018 by Delphix. All rights reserved. 24 * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. 25 * Copyright 2016, Joyent, Inc. 26 * Copyright (c) 2019, Klara Inc. 27 * Copyright (c) 2019, Allan Jude 28 */ 29 30 /* Portions Copyright 2010 Robert Milkowski */ 31 32 #include <sys/zio.h> 33 #include <sys/spa.h> 34 #include <sys/u8_textprep.h> 35 #include <sys/zfs_acl.h> 36 #include <sys/zfs_ioctl.h> 37 #include <sys/zfs_znode.h> 38 #include <sys/dsl_crypt.h> 39 40 #include "zfs_prop.h" 41 #include "zfs_deleg.h" 42 #include "zfs_fletcher.h" 43 44 #if !defined(_KERNEL) 45 #include <stdlib.h> 46 #include <string.h> 47 #include <ctype.h> 48 #endif 49 50 static zprop_desc_t zfs_prop_table[ZFS_NUM_PROPS]; 51 52 /* Note this is indexed by zfs_userquota_prop_t, keep the order the same */ 53 const char *const zfs_userquota_prop_prefixes[] = { 54 "userused@", 55 "userquota@", 56 "groupused@", 57 "groupquota@", 58 "userobjused@", 59 "userobjquota@", 60 "groupobjused@", 61 "groupobjquota@", 62 "projectused@", 63 "projectquota@", 64 "projectobjused@", 65 "projectobjquota@" 66 }; 67 68 zprop_desc_t * 69 zfs_prop_get_table(void) 70 { 71 return (zfs_prop_table); 72 } 73 74 void 75 zfs_prop_init(void) 76 { 77 static const zprop_index_t checksum_table[] = { 78 { "on", ZIO_CHECKSUM_ON }, 79 { "off", ZIO_CHECKSUM_OFF }, 80 { "fletcher2", ZIO_CHECKSUM_FLETCHER_2 }, 81 { "fletcher4", ZIO_CHECKSUM_FLETCHER_4 }, 82 { "sha256", ZIO_CHECKSUM_SHA256 }, 83 { "noparity", ZIO_CHECKSUM_NOPARITY }, 84 { "sha512", ZIO_CHECKSUM_SHA512 }, 85 { "skein", ZIO_CHECKSUM_SKEIN }, 86 { "edonr", ZIO_CHECKSUM_EDONR }, 87 { NULL } 88 }; 89 90 static const zprop_index_t dedup_table[] = { 91 { "on", ZIO_CHECKSUM_ON }, 92 { "off", ZIO_CHECKSUM_OFF }, 93 { "verify", ZIO_CHECKSUM_ON | ZIO_CHECKSUM_VERIFY }, 94 { "sha256", ZIO_CHECKSUM_SHA256 }, 95 { "sha256,verify", 96 ZIO_CHECKSUM_SHA256 | ZIO_CHECKSUM_VERIFY }, 97 { "sha512", ZIO_CHECKSUM_SHA512 }, 98 { "sha512,verify", 99 ZIO_CHECKSUM_SHA512 | ZIO_CHECKSUM_VERIFY }, 100 { "skein", ZIO_CHECKSUM_SKEIN }, 101 { "skein,verify", 102 ZIO_CHECKSUM_SKEIN | ZIO_CHECKSUM_VERIFY }, 103 { "edonr,verify", 104 ZIO_CHECKSUM_EDONR | ZIO_CHECKSUM_VERIFY }, 105 { NULL } 106 }; 107 108 static const zprop_index_t compress_table[] = { 109 { "on", ZIO_COMPRESS_ON }, 110 { "off", ZIO_COMPRESS_OFF }, 111 { "lzjb", ZIO_COMPRESS_LZJB }, 112 { "gzip", ZIO_COMPRESS_GZIP_6 }, /* gzip default */ 113 { "gzip-1", ZIO_COMPRESS_GZIP_1 }, 114 { "gzip-2", ZIO_COMPRESS_GZIP_2 }, 115 { "gzip-3", ZIO_COMPRESS_GZIP_3 }, 116 { "gzip-4", ZIO_COMPRESS_GZIP_4 }, 117 { "gzip-5", ZIO_COMPRESS_GZIP_5 }, 118 { "gzip-6", ZIO_COMPRESS_GZIP_6 }, 119 { "gzip-7", ZIO_COMPRESS_GZIP_7 }, 120 { "gzip-8", ZIO_COMPRESS_GZIP_8 }, 121 { "gzip-9", ZIO_COMPRESS_GZIP_9 }, 122 { "zle", ZIO_COMPRESS_ZLE }, 123 { "lz4", ZIO_COMPRESS_LZ4 }, 124 { "zstd", ZIO_COMPRESS_ZSTD }, 125 { "zstd-fast", 126 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_DEFAULT) }, 127 128 /* 129 * ZSTD 1-19 are synthetic. We store the compression level in a 130 * separate hidden property to avoid wasting a large amount of 131 * space in the ZIO_COMPRESS enum. 132 * 133 * The compression level is also stored within the header of the 134 * compressed block since we may need it for later recompression 135 * to avoid checksum errors (L2ARC). 136 * 137 * Note that the level here is defined as bit shifted mask on 138 * top of the method. 139 */ 140 { "zstd-1", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_1) }, 141 { "zstd-2", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_2) }, 142 { "zstd-3", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_3) }, 143 { "zstd-4", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_4) }, 144 { "zstd-5", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_5) }, 145 { "zstd-6", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_6) }, 146 { "zstd-7", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_7) }, 147 { "zstd-8", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_8) }, 148 { "zstd-9", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_9) }, 149 { "zstd-10", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_10) }, 150 { "zstd-11", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_11) }, 151 { "zstd-12", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_12) }, 152 { "zstd-13", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_13) }, 153 { "zstd-14", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_14) }, 154 { "zstd-15", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_15) }, 155 { "zstd-16", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_16) }, 156 { "zstd-17", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_17) }, 157 { "zstd-18", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_18) }, 158 { "zstd-19", ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_19) }, 159 160 /* 161 * The ZSTD-Fast levels are also synthetic. 162 */ 163 { "zstd-fast-1", 164 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_1) }, 165 { "zstd-fast-2", 166 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_2) }, 167 { "zstd-fast-3", 168 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_3) }, 169 { "zstd-fast-4", 170 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_4) }, 171 { "zstd-fast-5", 172 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_5) }, 173 { "zstd-fast-6", 174 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_6) }, 175 { "zstd-fast-7", 176 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_7) }, 177 { "zstd-fast-8", 178 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_8) }, 179 { "zstd-fast-9", 180 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_9) }, 181 { "zstd-fast-10", 182 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_10) }, 183 { "zstd-fast-20", 184 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_20) }, 185 { "zstd-fast-30", 186 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_30) }, 187 { "zstd-fast-40", 188 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_40) }, 189 { "zstd-fast-50", 190 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_50) }, 191 { "zstd-fast-60", 192 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_60) }, 193 { "zstd-fast-70", 194 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_70) }, 195 { "zstd-fast-80", 196 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_80) }, 197 { "zstd-fast-90", 198 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_90) }, 199 { "zstd-fast-100", 200 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_100) }, 201 { "zstd-fast-500", 202 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_500) }, 203 { "zstd-fast-1000", 204 ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_1000) }, 205 { NULL } 206 }; 207 208 static const zprop_index_t crypto_table[] = { 209 { "on", ZIO_CRYPT_ON }, 210 { "off", ZIO_CRYPT_OFF }, 211 { "aes-128-ccm", ZIO_CRYPT_AES_128_CCM }, 212 { "aes-192-ccm", ZIO_CRYPT_AES_192_CCM }, 213 { "aes-256-ccm", ZIO_CRYPT_AES_256_CCM }, 214 { "aes-128-gcm", ZIO_CRYPT_AES_128_GCM }, 215 { "aes-192-gcm", ZIO_CRYPT_AES_192_GCM }, 216 { "aes-256-gcm", ZIO_CRYPT_AES_256_GCM }, 217 { NULL } 218 }; 219 220 static const zprop_index_t keyformat_table[] = { 221 { "none", ZFS_KEYFORMAT_NONE }, 222 { "raw", ZFS_KEYFORMAT_RAW }, 223 { "hex", ZFS_KEYFORMAT_HEX }, 224 { "passphrase", ZFS_KEYFORMAT_PASSPHRASE }, 225 { NULL } 226 }; 227 228 static const zprop_index_t snapdir_table[] = { 229 { "hidden", ZFS_SNAPDIR_HIDDEN }, 230 { "visible", ZFS_SNAPDIR_VISIBLE }, 231 { NULL } 232 }; 233 234 static const zprop_index_t snapdev_table[] = { 235 { "hidden", ZFS_SNAPDEV_HIDDEN }, 236 { "visible", ZFS_SNAPDEV_VISIBLE }, 237 { NULL } 238 }; 239 240 static const zprop_index_t acl_mode_table[] = { 241 { "discard", ZFS_ACL_DISCARD }, 242 { "groupmask", ZFS_ACL_GROUPMASK }, 243 { "passthrough", ZFS_ACL_PASSTHROUGH }, 244 { "restricted", ZFS_ACL_RESTRICTED }, 245 { NULL } 246 }; 247 248 static const zprop_index_t acltype_table[] = { 249 { "off", ZFS_ACLTYPE_OFF }, 250 { "posix", ZFS_ACLTYPE_POSIX }, 251 { "nfsv4", ZFS_ACLTYPE_NFSV4 }, 252 { "disabled", ZFS_ACLTYPE_OFF }, /* bkwrd compatibility */ 253 { "noacl", ZFS_ACLTYPE_OFF }, /* bkwrd compatibility */ 254 { "posixacl", ZFS_ACLTYPE_POSIX }, /* bkwrd compatibility */ 255 { NULL } 256 }; 257 258 static const zprop_index_t acl_inherit_table[] = { 259 { "discard", ZFS_ACL_DISCARD }, 260 { "noallow", ZFS_ACL_NOALLOW }, 261 { "restricted", ZFS_ACL_RESTRICTED }, 262 { "passthrough", ZFS_ACL_PASSTHROUGH }, 263 { "secure", ZFS_ACL_RESTRICTED }, /* bkwrd compatibility */ 264 { "passthrough-x", ZFS_ACL_PASSTHROUGH_X }, 265 { NULL } 266 }; 267 268 static const zprop_index_t case_table[] = { 269 { "sensitive", ZFS_CASE_SENSITIVE }, 270 { "insensitive", ZFS_CASE_INSENSITIVE }, 271 { "mixed", ZFS_CASE_MIXED }, 272 { NULL } 273 }; 274 275 static const zprop_index_t copies_table[] = { 276 { "1", 1 }, 277 { "2", 2 }, 278 { "3", 3 }, 279 { NULL } 280 }; 281 282 /* 283 * Use the unique flags we have to send to u8_strcmp() and/or 284 * u8_textprep() to represent the various normalization property 285 * values. 286 */ 287 static const zprop_index_t normalize_table[] = { 288 { "none", 0 }, 289 { "formD", U8_TEXTPREP_NFD }, 290 { "formKC", U8_TEXTPREP_NFKC }, 291 { "formC", U8_TEXTPREP_NFC }, 292 { "formKD", U8_TEXTPREP_NFKD }, 293 { NULL } 294 }; 295 296 static const zprop_index_t version_table[] = { 297 { "1", 1 }, 298 { "2", 2 }, 299 { "3", 3 }, 300 { "4", 4 }, 301 { "5", 5 }, 302 { "current", ZPL_VERSION }, 303 { NULL } 304 }; 305 306 static const zprop_index_t boolean_table[] = { 307 { "off", 0 }, 308 { "on", 1 }, 309 { NULL } 310 }; 311 312 static const zprop_index_t keystatus_table[] = { 313 { "none", ZFS_KEYSTATUS_NONE}, 314 { "unavailable", ZFS_KEYSTATUS_UNAVAILABLE}, 315 { "available", ZFS_KEYSTATUS_AVAILABLE}, 316 { NULL } 317 }; 318 319 static const zprop_index_t logbias_table[] = { 320 { "latency", ZFS_LOGBIAS_LATENCY }, 321 { "throughput", ZFS_LOGBIAS_THROUGHPUT }, 322 { NULL } 323 }; 324 325 static const zprop_index_t canmount_table[] = { 326 { "off", ZFS_CANMOUNT_OFF }, 327 { "on", ZFS_CANMOUNT_ON }, 328 { "noauto", ZFS_CANMOUNT_NOAUTO }, 329 { NULL } 330 }; 331 332 static const zprop_index_t cache_table[] = { 333 { "none", ZFS_CACHE_NONE }, 334 { "metadata", ZFS_CACHE_METADATA }, 335 { "all", ZFS_CACHE_ALL }, 336 { NULL } 337 }; 338 339 static const zprop_index_t sync_table[] = { 340 { "standard", ZFS_SYNC_STANDARD }, 341 { "always", ZFS_SYNC_ALWAYS }, 342 { "disabled", ZFS_SYNC_DISABLED }, 343 { NULL } 344 }; 345 346 static const zprop_index_t xattr_table[] = { 347 { "off", ZFS_XATTR_OFF }, 348 { "on", ZFS_XATTR_DIR }, 349 { "sa", ZFS_XATTR_SA }, 350 { "dir", ZFS_XATTR_DIR }, 351 { NULL } 352 }; 353 354 static const zprop_index_t dnsize_table[] = { 355 { "legacy", ZFS_DNSIZE_LEGACY }, 356 { "auto", ZFS_DNSIZE_AUTO }, 357 { "1k", ZFS_DNSIZE_1K }, 358 { "2k", ZFS_DNSIZE_2K }, 359 { "4k", ZFS_DNSIZE_4K }, 360 { "8k", ZFS_DNSIZE_8K }, 361 { "16k", ZFS_DNSIZE_16K }, 362 { NULL } 363 }; 364 365 static const zprop_index_t redundant_metadata_table[] = { 366 { "all", ZFS_REDUNDANT_METADATA_ALL }, 367 { "most", ZFS_REDUNDANT_METADATA_MOST }, 368 { NULL } 369 }; 370 371 static const zprop_index_t volmode_table[] = { 372 { "default", ZFS_VOLMODE_DEFAULT }, 373 { "full", ZFS_VOLMODE_GEOM }, 374 { "geom", ZFS_VOLMODE_GEOM }, 375 { "dev", ZFS_VOLMODE_DEV }, 376 { "none", ZFS_VOLMODE_NONE }, 377 { NULL } 378 }; 379 380 struct zfs_mod_supported_features *sfeatures = 381 zfs_mod_list_supported(ZFS_SYSFS_DATASET_PROPERTIES); 382 383 /* inherit index properties */ 384 zprop_register_index(ZFS_PROP_REDUNDANT_METADATA, "redundant_metadata", 385 ZFS_REDUNDANT_METADATA_ALL, 386 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 387 "all | most", "REDUND_MD", 388 redundant_metadata_table, sfeatures); 389 zprop_register_index(ZFS_PROP_SYNC, "sync", ZFS_SYNC_STANDARD, 390 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 391 "standard | always | disabled", "SYNC", 392 sync_table, sfeatures); 393 zprop_register_index(ZFS_PROP_CHECKSUM, "checksum", 394 ZIO_CHECKSUM_DEFAULT, PROP_INHERIT, ZFS_TYPE_FILESYSTEM | 395 ZFS_TYPE_VOLUME, 396 "on | off | fletcher2 | fletcher4 | sha256 | sha512 | skein" 397 " | edonr", 398 "CHECKSUM", checksum_table, sfeatures); 399 zprop_register_index(ZFS_PROP_DEDUP, "dedup", ZIO_CHECKSUM_OFF, 400 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 401 "on | off | verify | sha256[,verify] | sha512[,verify] | " 402 "skein[,verify] | edonr,verify", 403 "DEDUP", dedup_table, sfeatures); 404 zprop_register_index(ZFS_PROP_COMPRESSION, "compression", 405 ZIO_COMPRESS_DEFAULT, PROP_INHERIT, 406 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 407 "on | off | lzjb | gzip | gzip-[1-9] | zle | lz4 | " 408 "zstd | zstd-[1-19] | " 409 "zstd-fast | zstd-fast-[1-10,20,30,40,50,60,70,80,90,100,500,1000]", 410 "COMPRESS", compress_table, sfeatures); 411 zprop_register_index(ZFS_PROP_SNAPDIR, "snapdir", ZFS_SNAPDIR_HIDDEN, 412 PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 413 "hidden | visible", "SNAPDIR", snapdir_table, sfeatures); 414 zprop_register_index(ZFS_PROP_SNAPDEV, "snapdev", ZFS_SNAPDEV_HIDDEN, 415 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 416 "hidden | visible", "SNAPDEV", snapdev_table, sfeatures); 417 zprop_register_index(ZFS_PROP_ACLMODE, "aclmode", ZFS_ACL_DISCARD, 418 PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 419 "discard | groupmask | passthrough | restricted", "ACLMODE", 420 acl_mode_table, sfeatures); 421 zprop_register_index(ZFS_PROP_ACLTYPE, "acltype", 422 #ifdef __linux__ 423 /* Linux doesn't natively support ZFS's NFSv4-style ACLs. */ 424 ZFS_ACLTYPE_OFF, 425 #else 426 ZFS_ACLTYPE_NFSV4, 427 #endif 428 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, 429 "off | nfsv4 | posix", "ACLTYPE", acltype_table, sfeatures); 430 zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit", 431 ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 432 "discard | noallow | restricted | passthrough | passthrough-x", 433 "ACLINHERIT", acl_inherit_table, sfeatures); 434 zprop_register_index(ZFS_PROP_COPIES, "copies", 1, PROP_INHERIT, 435 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 436 "1 | 2 | 3", "COPIES", copies_table, sfeatures); 437 zprop_register_index(ZFS_PROP_PRIMARYCACHE, "primarycache", 438 ZFS_CACHE_ALL, PROP_INHERIT, 439 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, 440 "all | none | metadata", "PRIMARYCACHE", cache_table, sfeatures); 441 zprop_register_index(ZFS_PROP_SECONDARYCACHE, "secondarycache", 442 ZFS_CACHE_ALL, PROP_INHERIT, 443 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, 444 "all | none | metadata", "SECONDARYCACHE", cache_table, sfeatures); 445 zprop_register_index(ZFS_PROP_LOGBIAS, "logbias", ZFS_LOGBIAS_LATENCY, 446 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 447 "latency | throughput", "LOGBIAS", logbias_table, sfeatures); 448 zprop_register_index(ZFS_PROP_XATTR, "xattr", ZFS_XATTR_DIR, 449 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, 450 "on | off | dir | sa", "XATTR", xattr_table, sfeatures); 451 zprop_register_index(ZFS_PROP_DNODESIZE, "dnodesize", 452 ZFS_DNSIZE_LEGACY, PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 453 "legacy | auto | 1k | 2k | 4k | 8k | 16k", "DNSIZE", dnsize_table, 454 sfeatures); 455 zprop_register_index(ZFS_PROP_VOLMODE, "volmode", 456 ZFS_VOLMODE_DEFAULT, PROP_INHERIT, 457 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 458 "default | full | geom | dev | none", "VOLMODE", volmode_table, 459 sfeatures); 460 461 /* inherit index (boolean) properties */ 462 zprop_register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT, 463 ZFS_TYPE_FILESYSTEM, "on | off", "ATIME", boolean_table, sfeatures); 464 zprop_register_index(ZFS_PROP_RELATIME, "relatime", 0, PROP_INHERIT, 465 ZFS_TYPE_FILESYSTEM, "on | off", "RELATIME", boolean_table, 466 sfeatures); 467 zprop_register_index(ZFS_PROP_DEVICES, "devices", 1, PROP_INHERIT, 468 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "DEVICES", 469 boolean_table, sfeatures); 470 zprop_register_index(ZFS_PROP_EXEC, "exec", 1, PROP_INHERIT, 471 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "EXEC", 472 boolean_table, sfeatures); 473 zprop_register_index(ZFS_PROP_SETUID, "setuid", 1, PROP_INHERIT, 474 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "SETUID", 475 boolean_table, sfeatures); 476 zprop_register_index(ZFS_PROP_READONLY, "readonly", 0, PROP_INHERIT, 477 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "on | off", "RDONLY", 478 boolean_table, sfeatures); 479 #ifdef __FreeBSD__ 480 zprop_register_index(ZFS_PROP_ZONED, "jailed", 0, PROP_INHERIT, 481 ZFS_TYPE_FILESYSTEM, "on | off", "JAILED", boolean_table, 482 sfeatures); 483 #else 484 zprop_register_index(ZFS_PROP_ZONED, "zoned", 0, PROP_INHERIT, 485 ZFS_TYPE_FILESYSTEM, "on | off", "ZONED", boolean_table, sfeatures); 486 #endif 487 zprop_register_index(ZFS_PROP_VSCAN, "vscan", 0, PROP_INHERIT, 488 ZFS_TYPE_FILESYSTEM, "on | off", "VSCAN", boolean_table, sfeatures); 489 zprop_register_index(ZFS_PROP_NBMAND, "nbmand", 0, PROP_INHERIT, 490 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "NBMAND", 491 boolean_table, sfeatures); 492 zprop_register_index(ZFS_PROP_OVERLAY, "overlay", 1, PROP_INHERIT, 493 ZFS_TYPE_FILESYSTEM, "on | off", "OVERLAY", boolean_table, 494 sfeatures); 495 496 /* default index properties */ 497 zprop_register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT, 498 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, 499 "1 | 2 | 3 | 4 | 5 | current", "VERSION", version_table, sfeatures); 500 zprop_register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON, 501 PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto", 502 "CANMOUNT", canmount_table, sfeatures); 503 504 /* readonly index properties */ 505 zprop_register_index(ZFS_PROP_MOUNTED, "mounted", 0, PROP_READONLY, 506 ZFS_TYPE_FILESYSTEM, "yes | no", "MOUNTED", boolean_table, 507 sfeatures); 508 zprop_register_index(ZFS_PROP_DEFER_DESTROY, "defer_destroy", 0, 509 PROP_READONLY, ZFS_TYPE_SNAPSHOT, "yes | no", "DEFER_DESTROY", 510 boolean_table, sfeatures); 511 zprop_register_index(ZFS_PROP_KEYSTATUS, "keystatus", 512 ZFS_KEYSTATUS_NONE, PROP_READONLY, ZFS_TYPE_DATASET, 513 "none | unavailable | available", 514 "KEYSTATUS", keystatus_table, sfeatures); 515 516 /* set once index properties */ 517 zprop_register_index(ZFS_PROP_NORMALIZE, "normalization", 0, 518 PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, 519 "none | formC | formD | formKC | formKD", "NORMALIZATION", 520 normalize_table, sfeatures); 521 zprop_register_index(ZFS_PROP_CASE, "casesensitivity", 522 ZFS_CASE_SENSITIVE, PROP_ONETIME, ZFS_TYPE_FILESYSTEM | 523 ZFS_TYPE_SNAPSHOT, 524 "sensitive | insensitive | mixed", "CASE", case_table, sfeatures); 525 zprop_register_index(ZFS_PROP_KEYFORMAT, "keyformat", 526 ZFS_KEYFORMAT_NONE, PROP_ONETIME_DEFAULT, 527 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 528 "none | raw | hex | passphrase", "KEYFORMAT", keyformat_table, 529 sfeatures); 530 zprop_register_index(ZFS_PROP_ENCRYPTION, "encryption", 531 ZIO_CRYPT_DEFAULT, PROP_ONETIME, ZFS_TYPE_DATASET, 532 "on | off | aes-128-ccm | aes-192-ccm | aes-256-ccm | " 533 "aes-128-gcm | aes-192-gcm | aes-256-gcm", "ENCRYPTION", 534 crypto_table, sfeatures); 535 536 /* set once index (boolean) properties */ 537 zprop_register_index(ZFS_PROP_UTF8ONLY, "utf8only", 0, PROP_ONETIME, 538 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, 539 "on | off", "UTF8ONLY", boolean_table, sfeatures); 540 541 /* string properties */ 542 zprop_register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY, 543 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<snapshot>", "ORIGIN", 544 sfeatures); 545 zprop_register_string(ZFS_PROP_CLONES, "clones", NULL, PROP_READONLY, 546 ZFS_TYPE_SNAPSHOT, "<dataset>[,...]", "CLONES", sfeatures); 547 zprop_register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/", 548 PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "<path> | legacy | none", 549 "MOUNTPOINT", sfeatures); 550 zprop_register_string(ZFS_PROP_SHARENFS, "sharenfs", "off", 551 PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "on | off | NFS share options", 552 "SHARENFS", sfeatures); 553 zprop_register_string(ZFS_PROP_TYPE, "type", NULL, PROP_READONLY, 554 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, 555 "filesystem | volume | snapshot | bookmark", "TYPE", sfeatures); 556 zprop_register_string(ZFS_PROP_SHARESMB, "sharesmb", "off", 557 PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 558 "on | off | SMB share options", "SHARESMB", sfeatures); 559 zprop_register_string(ZFS_PROP_MLSLABEL, "mlslabel", 560 ZFS_MLSLABEL_DEFAULT, PROP_INHERIT, ZFS_TYPE_DATASET, 561 "<sensitivity label>", "MLSLABEL", sfeatures); 562 zprop_register_string(ZFS_PROP_SELINUX_CONTEXT, "context", 563 "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux context>", 564 "CONTEXT", sfeatures); 565 zprop_register_string(ZFS_PROP_SELINUX_FSCONTEXT, "fscontext", 566 "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux fscontext>", 567 "FSCONTEXT", sfeatures); 568 zprop_register_string(ZFS_PROP_SELINUX_DEFCONTEXT, "defcontext", 569 "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux defcontext>", 570 "DEFCONTEXT", sfeatures); 571 zprop_register_string(ZFS_PROP_SELINUX_ROOTCONTEXT, "rootcontext", 572 "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux rootcontext>", 573 "ROOTCONTEXT", sfeatures); 574 zprop_register_string(ZFS_PROP_RECEIVE_RESUME_TOKEN, 575 "receive_resume_token", 576 NULL, PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 577 "<string token>", "RESUMETOK", sfeatures); 578 zprop_register_string(ZFS_PROP_ENCRYPTION_ROOT, "encryptionroot", NULL, 579 PROP_READONLY, ZFS_TYPE_DATASET, "<filesystem | volume>", 580 "ENCROOT", sfeatures); 581 zprop_register_string(ZFS_PROP_KEYLOCATION, "keylocation", 582 "none", PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 583 "prompt | <file URI> | <https URL> | <http URL>", "KEYLOCATION", 584 sfeatures); 585 zprop_register_string(ZFS_PROP_REDACT_SNAPS, 586 "redact_snaps", NULL, PROP_READONLY, 587 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<snapshot>[,...]", 588 "RSNAPS", sfeatures); 589 590 /* readonly number properties */ 591 zprop_register_number(ZFS_PROP_USED, "used", 0, PROP_READONLY, 592 ZFS_TYPE_DATASET, "<size>", "USED", B_FALSE, sfeatures); 593 zprop_register_number(ZFS_PROP_AVAILABLE, "available", 0, PROP_READONLY, 594 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "AVAIL", 595 B_FALSE, sfeatures); 596 zprop_register_number(ZFS_PROP_REFERENCED, "referenced", 0, 597 PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<size>", 598 "REFER", B_FALSE, sfeatures); 599 zprop_register_number(ZFS_PROP_COMPRESSRATIO, "compressratio", 0, 600 PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, 601 "<1.00x or higher if compressed>", "RATIO", B_FALSE, sfeatures); 602 zprop_register_number(ZFS_PROP_REFRATIO, "refcompressratio", 0, 603 PROP_READONLY, ZFS_TYPE_DATASET, 604 "<1.00x or higher if compressed>", "REFRATIO", B_FALSE, sfeatures); 605 zprop_register_number(ZFS_PROP_VOLBLOCKSIZE, "volblocksize", 606 ZVOL_DEFAULT_BLOCKSIZE, PROP_ONETIME, 607 ZFS_TYPE_VOLUME, "512 to 128k, power of 2", "VOLBLOCK", B_FALSE, 608 sfeatures); 609 zprop_register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0, 610 PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", 611 "USEDSNAP", B_FALSE, sfeatures); 612 zprop_register_number(ZFS_PROP_USEDDS, "usedbydataset", 0, 613 PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", 614 "USEDDS", B_FALSE, sfeatures); 615 zprop_register_number(ZFS_PROP_USEDCHILD, "usedbychildren", 0, 616 PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", 617 "USEDCHILD", B_FALSE, sfeatures); 618 zprop_register_number(ZFS_PROP_USEDREFRESERV, "usedbyrefreservation", 0, 619 PROP_READONLY, 620 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDREFRESERV", 621 B_FALSE, sfeatures); 622 zprop_register_number(ZFS_PROP_USERREFS, "userrefs", 0, PROP_READONLY, 623 ZFS_TYPE_SNAPSHOT, "<count>", "USERREFS", B_FALSE, sfeatures); 624 zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY, 625 ZFS_TYPE_DATASET, "<size>", "WRITTEN", B_FALSE, sfeatures); 626 zprop_register_number(ZFS_PROP_LOGICALUSED, "logicalused", 0, 627 PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", 628 "LUSED", B_FALSE, sfeatures); 629 zprop_register_number(ZFS_PROP_LOGICALREFERENCED, "logicalreferenced", 630 0, PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<size>", 631 "LREFER", B_FALSE, sfeatures); 632 zprop_register_number(ZFS_PROP_FILESYSTEM_COUNT, "filesystem_count", 633 UINT64_MAX, PROP_READONLY, ZFS_TYPE_FILESYSTEM, 634 "<count>", "FSCOUNT", B_FALSE, sfeatures); 635 zprop_register_number(ZFS_PROP_SNAPSHOT_COUNT, "snapshot_count", 636 UINT64_MAX, PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 637 "<count>", "SSCOUNT", B_FALSE, sfeatures); 638 zprop_register_number(ZFS_PROP_GUID, "guid", 0, PROP_READONLY, 639 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<uint64>", "GUID", 640 B_TRUE, sfeatures); 641 zprop_register_number(ZFS_PROP_CREATETXG, "createtxg", 0, PROP_READONLY, 642 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<uint64>", "CREATETXG", 643 B_TRUE, sfeatures); 644 zprop_register_number(ZFS_PROP_PBKDF2_ITERS, "pbkdf2iters", 645 0, PROP_ONETIME_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 646 "<iters>", "PBKDF2ITERS", B_TRUE, sfeatures); 647 zprop_register_number(ZFS_PROP_OBJSETID, "objsetid", 0, 648 PROP_READONLY, ZFS_TYPE_DATASET, "<uint64>", "OBJSETID", B_TRUE, 649 sfeatures); 650 651 /* default number properties */ 652 zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT, 653 ZFS_TYPE_FILESYSTEM, "<size> | none", "QUOTA", B_FALSE, sfeatures); 654 zprop_register_number(ZFS_PROP_RESERVATION, "reservation", 0, 655 PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 656 "<size> | none", "RESERV", B_FALSE, sfeatures); 657 zprop_register_number(ZFS_PROP_VOLSIZE, "volsize", 0, PROP_DEFAULT, 658 ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, "<size>", "VOLSIZE", 659 B_FALSE, sfeatures); 660 zprop_register_number(ZFS_PROP_REFQUOTA, "refquota", 0, PROP_DEFAULT, 661 ZFS_TYPE_FILESYSTEM, "<size> | none", "REFQUOTA", B_FALSE, 662 sfeatures); 663 zprop_register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0, 664 PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 665 "<size> | none", "REFRESERV", B_FALSE, sfeatures); 666 zprop_register_number(ZFS_PROP_FILESYSTEM_LIMIT, "filesystem_limit", 667 UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, 668 "<count> | none", "FSLIMIT", B_FALSE, sfeatures); 669 zprop_register_number(ZFS_PROP_SNAPSHOT_LIMIT, "snapshot_limit", 670 UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 671 "<count> | none", "SSLIMIT", B_FALSE, sfeatures); 672 673 /* inherit number properties */ 674 zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize", 675 SPA_OLD_MAXBLOCKSIZE, PROP_INHERIT, 676 ZFS_TYPE_FILESYSTEM, "512 to 1M, power of 2", "RECSIZE", B_FALSE, 677 sfeatures); 678 zprop_register_number(ZFS_PROP_SPECIAL_SMALL_BLOCKS, 679 "special_small_blocks", 0, PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 680 "zero or 512 to 1M, power of 2", "SPECIAL_SMALL_BLOCKS", B_FALSE, 681 sfeatures); 682 683 /* hidden properties */ 684 zprop_register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER, 685 PROP_READONLY, ZFS_TYPE_SNAPSHOT, "NUMCLONES", B_FALSE, sfeatures); 686 zprop_register_hidden(ZFS_PROP_NAME, "name", PROP_TYPE_STRING, 687 PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "NAME", 688 B_TRUE, sfeatures); 689 zprop_register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions", 690 PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS", 691 B_TRUE, sfeatures); 692 zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu", 693 PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, 694 "STMF_SBD_LU", B_TRUE, sfeatures); 695 zprop_register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting", 696 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, 697 "USERACCOUNTING", B_FALSE, sfeatures); 698 zprop_register_hidden(ZFS_PROP_UNIQUE, "unique", PROP_TYPE_NUMBER, 699 PROP_READONLY, ZFS_TYPE_DATASET, "UNIQUE", B_FALSE, sfeatures); 700 zprop_register_hidden(ZFS_PROP_INCONSISTENT, "inconsistent", 701 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, "INCONSISTENT", 702 B_FALSE, sfeatures); 703 zprop_register_hidden(ZFS_PROP_IVSET_GUID, "ivsetguid", 704 PROP_TYPE_NUMBER, PROP_READONLY, 705 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "IVSETGUID", B_TRUE, 706 sfeatures); 707 zprop_register_hidden(ZFS_PROP_PREV_SNAP, "prevsnap", PROP_TYPE_STRING, 708 PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "PREVSNAP", 709 B_TRUE, sfeatures); 710 zprop_register_hidden(ZFS_PROP_PBKDF2_SALT, "pbkdf2salt", 711 PROP_TYPE_NUMBER, PROP_ONETIME_DEFAULT, 712 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "PBKDF2SALT", B_FALSE, 713 sfeatures); 714 zprop_register_hidden(ZFS_PROP_KEY_GUID, "keyguid", PROP_TYPE_NUMBER, 715 PROP_READONLY, ZFS_TYPE_DATASET, "KEYGUID", B_TRUE, sfeatures); 716 zprop_register_hidden(ZFS_PROP_REDACTED, "redacted", PROP_TYPE_NUMBER, 717 PROP_READONLY, ZFS_TYPE_DATASET, "REDACTED", B_FALSE, sfeatures); 718 719 /* 720 * Properties that are obsolete and not used. These are retained so 721 * that we don't have to change the values of the zfs_prop_t enum, or 722 * have NULL pointers in the zfs_prop_table[]. 723 */ 724 zprop_register_hidden(ZFS_PROP_REMAPTXG, "remaptxg", PROP_TYPE_NUMBER, 725 PROP_READONLY, ZFS_TYPE_DATASET, "REMAPTXG", B_FALSE, sfeatures); 726 727 /* oddball properties */ 728 /* 'creation' is a number but displayed as human-readable => flex */ 729 zprop_register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0, 730 NULL, PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, 731 "<date>", "CREATION", B_FALSE, B_TRUE, B_TRUE, NULL, sfeatures); 732 733 zfs_mod_list_supported_free(sfeatures); 734 } 735 736 boolean_t 737 zfs_prop_delegatable(zfs_prop_t prop) 738 { 739 zprop_desc_t *pd = &zfs_prop_table[prop]; 740 741 /* The mlslabel property is never delegatable. */ 742 if (prop == ZFS_PROP_MLSLABEL) 743 return (B_FALSE); 744 745 return (pd->pd_attr != PROP_READONLY); 746 } 747 748 /* 749 * Given a zfs dataset property name, returns the corresponding property ID. 750 */ 751 zfs_prop_t 752 zfs_name_to_prop(const char *propname) 753 { 754 return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET)); 755 } 756 757 /* 758 * Returns true if this is a valid user-defined property (one with a ':'). 759 */ 760 boolean_t 761 zfs_prop_user(const char *name) 762 { 763 int i; 764 char c; 765 boolean_t foundsep = B_FALSE; 766 767 for (i = 0; i < strlen(name); i++) { 768 c = name[i]; 769 if (!zprop_valid_char(c)) 770 return (B_FALSE); 771 if (c == ':') 772 foundsep = B_TRUE; 773 } 774 775 if (!foundsep) 776 return (B_FALSE); 777 778 return (B_TRUE); 779 } 780 781 /* 782 * Returns true if this is a valid userspace-type property (one with a '@'). 783 * Note that after the @, any character is valid (eg, another @, for SID 784 * user@domain). 785 */ 786 boolean_t 787 zfs_prop_userquota(const char *name) 788 { 789 zfs_userquota_prop_t prop; 790 791 for (prop = 0; prop < ZFS_NUM_USERQUOTA_PROPS; prop++) { 792 if (strncmp(name, zfs_userquota_prop_prefixes[prop], 793 strlen(zfs_userquota_prop_prefixes[prop])) == 0) { 794 return (B_TRUE); 795 } 796 } 797 798 return (B_FALSE); 799 } 800 801 /* 802 * Returns true if this is a valid written@ property. 803 * Note that after the @, any character is valid (eg, another @, for 804 * written@pool/fs@origin). 805 */ 806 boolean_t 807 zfs_prop_written(const char *name) 808 { 809 static const char *prop_prefix = "written@"; 810 static const char *book_prefix = "written#"; 811 return (strncmp(name, prop_prefix, strlen(prop_prefix)) == 0 || 812 strncmp(name, book_prefix, strlen(book_prefix)) == 0); 813 } 814 815 /* 816 * Tables of index types, plus functions to convert between the user view 817 * (strings) and internal representation (uint64_t). 818 */ 819 int 820 zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index) 821 { 822 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET)); 823 } 824 825 int 826 zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string) 827 { 828 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET)); 829 } 830 831 uint64_t 832 zfs_prop_random_value(zfs_prop_t prop, uint64_t seed) 833 { 834 return (zprop_random_value(prop, seed, ZFS_TYPE_DATASET)); 835 } 836 837 /* 838 * Returns TRUE if the property applies to any of the given dataset types. 839 */ 840 boolean_t 841 zfs_prop_valid_for_type(int prop, zfs_type_t types, boolean_t headcheck) 842 { 843 return (zprop_valid_for_type(prop, types, headcheck)); 844 } 845 846 zprop_type_t 847 zfs_prop_get_type(zfs_prop_t prop) 848 { 849 return (zfs_prop_table[prop].pd_proptype); 850 } 851 852 /* 853 * Returns TRUE if the property is readonly. 854 */ 855 boolean_t 856 zfs_prop_readonly(zfs_prop_t prop) 857 { 858 return (zfs_prop_table[prop].pd_attr == PROP_READONLY || 859 zfs_prop_table[prop].pd_attr == PROP_ONETIME || 860 zfs_prop_table[prop].pd_attr == PROP_ONETIME_DEFAULT); 861 } 862 863 /* 864 * Returns TRUE if the property is visible (not hidden). 865 */ 866 boolean_t 867 zfs_prop_visible(zfs_prop_t prop) 868 { 869 return (zfs_prop_table[prop].pd_visible && 870 zfs_prop_table[prop].pd_zfs_mod_supported); 871 } 872 873 /* 874 * Returns TRUE if the property is only allowed to be set once. 875 */ 876 boolean_t 877 zfs_prop_setonce(zfs_prop_t prop) 878 { 879 return (zfs_prop_table[prop].pd_attr == PROP_ONETIME || 880 zfs_prop_table[prop].pd_attr == PROP_ONETIME_DEFAULT); 881 } 882 883 const char * 884 zfs_prop_default_string(zfs_prop_t prop) 885 { 886 return (zfs_prop_table[prop].pd_strdefault); 887 } 888 889 uint64_t 890 zfs_prop_default_numeric(zfs_prop_t prop) 891 { 892 return (zfs_prop_table[prop].pd_numdefault); 893 } 894 895 /* 896 * Given a dataset property ID, returns the corresponding name. 897 * Assuming the zfs dataset property ID is valid. 898 */ 899 const char * 900 zfs_prop_to_name(zfs_prop_t prop) 901 { 902 return (zfs_prop_table[prop].pd_name); 903 } 904 905 /* 906 * Returns TRUE if the property is inheritable. 907 */ 908 boolean_t 909 zfs_prop_inheritable(zfs_prop_t prop) 910 { 911 return (zfs_prop_table[prop].pd_attr == PROP_INHERIT || 912 zfs_prop_table[prop].pd_attr == PROP_ONETIME); 913 } 914 915 /* 916 * Returns TRUE if property is one of the encryption properties that requires 917 * a loaded encryption key to modify. 918 */ 919 boolean_t 920 zfs_prop_encryption_key_param(zfs_prop_t prop) 921 { 922 /* 923 * keylocation does not count as an encryption property. It can be 924 * changed at will without needing the master keys. 925 */ 926 return (prop == ZFS_PROP_PBKDF2_SALT || prop == ZFS_PROP_PBKDF2_ITERS || 927 prop == ZFS_PROP_KEYFORMAT); 928 } 929 930 /* 931 * Helper function used by both kernelspace and userspace to check the 932 * keylocation property. If encrypted is set, the keylocation must be valid 933 * for an encrypted dataset. 934 */ 935 boolean_t 936 zfs_prop_valid_keylocation(const char *str, boolean_t encrypted) 937 { 938 if (strcmp("none", str) == 0) 939 return (!encrypted); 940 else if (strcmp("prompt", str) == 0) 941 return (B_TRUE); 942 else if (strlen(str) > 8 && strncmp("file:///", str, 8) == 0) 943 return (B_TRUE); 944 else if (strlen(str) > 8 && strncmp("https://", str, 8) == 0) 945 return (B_TRUE); 946 else if (strlen(str) > 7 && strncmp("http://", str, 7) == 0) 947 return (B_TRUE); 948 949 return (B_FALSE); 950 } 951 952 953 #ifndef _KERNEL 954 #include <libzfs.h> 955 956 /* 957 * Returns a string describing the set of acceptable values for the given 958 * zfs property, or NULL if it cannot be set. 959 */ 960 const char * 961 zfs_prop_values(zfs_prop_t prop) 962 { 963 return (zfs_prop_table[prop].pd_values); 964 } 965 966 /* 967 * Returns TRUE if this property is a string type. Note that index types 968 * (compression, checksum) are treated as strings in userland, even though they 969 * are stored numerically on disk. 970 */ 971 int 972 zfs_prop_is_string(zfs_prop_t prop) 973 { 974 return (zfs_prop_table[prop].pd_proptype == PROP_TYPE_STRING || 975 zfs_prop_table[prop].pd_proptype == PROP_TYPE_INDEX); 976 } 977 978 /* 979 * Returns the column header for the given property. Used only in 980 * 'zfs list -o', but centralized here with the other property information. 981 */ 982 const char * 983 zfs_prop_column_name(zfs_prop_t prop) 984 { 985 return (zfs_prop_table[prop].pd_colname); 986 } 987 988 /* 989 * Returns whether the given property should be displayed right-justified for 990 * 'zfs list'. 991 */ 992 boolean_t 993 zfs_prop_align_right(zfs_prop_t prop) 994 { 995 return (zfs_prop_table[prop].pd_rightalign); 996 } 997 998 #endif 999 1000 #if defined(_KERNEL) 1001 1002 #include <sys/simd.h> 1003 1004 #if defined(HAVE_KERNEL_FPU_INTERNAL) 1005 uint8_t **zfs_kfpu_fpregs; 1006 EXPORT_SYMBOL(zfs_kfpu_fpregs); 1007 #endif /* defined(HAVE_KERNEL_FPU_INTERNAL) */ 1008 1009 static int __init 1010 zcommon_init(void) 1011 { 1012 int error = kfpu_init(); 1013 if (error) 1014 return (error); 1015 1016 fletcher_4_init(); 1017 1018 return (0); 1019 } 1020 1021 static void __exit 1022 zcommon_fini(void) 1023 { 1024 fletcher_4_fini(); 1025 kfpu_fini(); 1026 } 1027 1028 module_init_early(zcommon_init); 1029 module_exit(zcommon_fini); 1030 1031 #endif 1032 1033 ZFS_MODULE_DESCRIPTION("Generic ZFS support"); 1034 ZFS_MODULE_AUTHOR(ZFS_META_AUTHOR); 1035 ZFS_MODULE_LICENSE(ZFS_META_LICENSE); 1036 ZFS_MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); 1037 1038 /* zfs dataset property functions */ 1039 EXPORT_SYMBOL(zfs_userquota_prop_prefixes); 1040 EXPORT_SYMBOL(zfs_prop_init); 1041 EXPORT_SYMBOL(zfs_prop_get_type); 1042 EXPORT_SYMBOL(zfs_prop_get_table); 1043 EXPORT_SYMBOL(zfs_prop_delegatable); 1044 EXPORT_SYMBOL(zfs_prop_visible); 1045 1046 /* Dataset property functions shared between libzfs and kernel. */ 1047 EXPORT_SYMBOL(zfs_prop_default_string); 1048 EXPORT_SYMBOL(zfs_prop_default_numeric); 1049 EXPORT_SYMBOL(zfs_prop_readonly); 1050 EXPORT_SYMBOL(zfs_prop_inheritable); 1051 EXPORT_SYMBOL(zfs_prop_encryption_key_param); 1052 EXPORT_SYMBOL(zfs_prop_valid_keylocation); 1053 EXPORT_SYMBOL(zfs_prop_setonce); 1054 EXPORT_SYMBOL(zfs_prop_to_name); 1055 EXPORT_SYMBOL(zfs_name_to_prop); 1056 EXPORT_SYMBOL(zfs_prop_user); 1057 EXPORT_SYMBOL(zfs_prop_userquota); 1058 EXPORT_SYMBOL(zfs_prop_index_to_string); 1059 EXPORT_SYMBOL(zfs_prop_string_to_index); 1060 EXPORT_SYMBOL(zfs_prop_valid_for_type); 1061 EXPORT_SYMBOL(zfs_prop_written); 1062