zfs_prop.c revision 263407
1168404Spjd/* 2168404Spjd * CDDL HEADER START 3168404Spjd * 4168404Spjd * The contents of this file are subject to the terms of the 5168404Spjd * Common Development and Distribution License (the "License"). 6168404Spjd * You may not use this file except in compliance with the License. 7168404Spjd * 8168404Spjd * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9168404Spjd * or http://www.opensolaris.org/os/licensing. 10168404Spjd * See the License for the specific language governing permissions 11168404Spjd * and limitations under the License. 12168404Spjd * 13168404Spjd * When distributing Covered Code, include this CDDL HEADER in each 14168404Spjd * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15168404Spjd * If applicable, add the following below this CDDL HEADER, with the 16168404Spjd * fields enclosed by brackets "[]" replaced with your own identifying 17168404Spjd * information: Portions Copyright [yyyy] [name of copyright owner] 18168404Spjd * 19168404Spjd * CDDL HEADER END 20168404Spjd */ 21168404Spjd/* 22219089Spjd * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23263407Sdelphij * Copyright (c) 2013 by Delphix. All rights reserved. 24246586Sdelphij * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. 25255750Sdelphij * Copyright (c) 2013, Joyent, Inc. All rights reserved. 26168404Spjd */ 27168404Spjd 28219089Spjd/* Portions Copyright 2010 Robert Milkowski */ 29219089Spjd 30168404Spjd#include <sys/zio.h> 31168404Spjd#include <sys/spa.h> 32185029Spjd#include <sys/u8_textprep.h> 33168404Spjd#include <sys/zfs_acl.h> 34168404Spjd#include <sys/zfs_ioctl.h> 35185029Spjd#include <sys/zfs_znode.h> 36168404Spjd 37168404Spjd#include "zfs_prop.h" 38185029Spjd#include "zfs_deleg.h" 39168404Spjd 40168404Spjd#if defined(_KERNEL) 41168404Spjd#include <sys/systm.h> 42168404Spjd#else 43168404Spjd#include <stdlib.h> 44168404Spjd#include <string.h> 45168404Spjd#include <ctype.h> 46168404Spjd#endif 47168404Spjd 48185029Spjdstatic zprop_desc_t zfs_prop_table[ZFS_NUM_PROPS]; 49168404Spjd 50209962Smm/* Note this is indexed by zfs_userquota_prop_t, keep the order the same */ 51209962Smmconst char *zfs_userquota_prop_prefixes[] = { 52209962Smm "userused@", 53209962Smm "userquota@", 54209962Smm "groupused@", 55209962Smm "groupquota@" 56209962Smm}; 57209962Smm 58185029Spjdzprop_desc_t * 59185029Spjdzfs_prop_get_table(void) 60168404Spjd{ 61185029Spjd return (zfs_prop_table); 62168404Spjd} 63168404Spjd 64185029Spjdvoid 65185029Spjdzfs_prop_init(void) 66168404Spjd{ 67185029Spjd static zprop_index_t checksum_table[] = { 68185029Spjd { "on", ZIO_CHECKSUM_ON }, 69185029Spjd { "off", ZIO_CHECKSUM_OFF }, 70185029Spjd { "fletcher2", ZIO_CHECKSUM_FLETCHER_2 }, 71185029Spjd { "fletcher4", ZIO_CHECKSUM_FLETCHER_4 }, 72185029Spjd { "sha256", ZIO_CHECKSUM_SHA256 }, 73255750Sdelphij { "noparity", ZIO_CHECKSUM_NOPARITY }, 74185029Spjd { NULL } 75185029Spjd }; 76168404Spjd 77219089Spjd static zprop_index_t dedup_table[] = { 78219089Spjd { "on", ZIO_CHECKSUM_ON }, 79219089Spjd { "off", ZIO_CHECKSUM_OFF }, 80219089Spjd { "verify", ZIO_CHECKSUM_ON | ZIO_CHECKSUM_VERIFY }, 81219089Spjd { "sha256", ZIO_CHECKSUM_SHA256 }, 82219089Spjd { "sha256,verify", 83219089Spjd ZIO_CHECKSUM_SHA256 | ZIO_CHECKSUM_VERIFY }, 84219089Spjd { NULL } 85219089Spjd }; 86219089Spjd 87185029Spjd static zprop_index_t compress_table[] = { 88185029Spjd { "on", ZIO_COMPRESS_ON }, 89185029Spjd { "off", ZIO_COMPRESS_OFF }, 90185029Spjd { "lzjb", ZIO_COMPRESS_LZJB }, 91185029Spjd { "gzip", ZIO_COMPRESS_GZIP_6 }, /* gzip default */ 92185029Spjd { "gzip-1", ZIO_COMPRESS_GZIP_1 }, 93185029Spjd { "gzip-2", ZIO_COMPRESS_GZIP_2 }, 94185029Spjd { "gzip-3", ZIO_COMPRESS_GZIP_3 }, 95185029Spjd { "gzip-4", ZIO_COMPRESS_GZIP_4 }, 96185029Spjd { "gzip-5", ZIO_COMPRESS_GZIP_5 }, 97185029Spjd { "gzip-6", ZIO_COMPRESS_GZIP_6 }, 98185029Spjd { "gzip-7", ZIO_COMPRESS_GZIP_7 }, 99185029Spjd { "gzip-8", ZIO_COMPRESS_GZIP_8 }, 100185029Spjd { "gzip-9", ZIO_COMPRESS_GZIP_9 }, 101219089Spjd { "zle", ZIO_COMPRESS_ZLE }, 102246586Sdelphij { "lz4", ZIO_COMPRESS_LZ4 }, 103185029Spjd { NULL } 104185029Spjd }; 105168404Spjd 106185029Spjd static zprop_index_t snapdir_table[] = { 107185029Spjd { "hidden", ZFS_SNAPDIR_HIDDEN }, 108185029Spjd { "visible", ZFS_SNAPDIR_VISIBLE }, 109185029Spjd { NULL } 110185029Spjd }; 111168404Spjd 112224174Smm static zprop_index_t acl_mode_table[] = { 113224174Smm { "discard", ZFS_ACL_DISCARD }, 114224174Smm { "groupmask", ZFS_ACL_GROUPMASK }, 115224174Smm { "passthrough", ZFS_ACL_PASSTHROUGH }, 116243560Smm { "restricted", ZFS_ACL_RESTRICTED }, 117224174Smm { NULL } 118224174Smm }; 119224174Smm 120185029Spjd static zprop_index_t acl_inherit_table[] = { 121185029Spjd { "discard", ZFS_ACL_DISCARD }, 122185029Spjd { "noallow", ZFS_ACL_NOALLOW }, 123185029Spjd { "restricted", ZFS_ACL_RESTRICTED }, 124185029Spjd { "passthrough", ZFS_ACL_PASSTHROUGH }, 125185029Spjd { "secure", ZFS_ACL_RESTRICTED }, /* bkwrd compatability */ 126201143Sdelphij { "passthrough-x", ZFS_ACL_PASSTHROUGH_X }, 127185029Spjd { NULL } 128185029Spjd }; 129168404Spjd 130185029Spjd static zprop_index_t case_table[] = { 131185029Spjd { "sensitive", ZFS_CASE_SENSITIVE }, 132185029Spjd { "insensitive", ZFS_CASE_INSENSITIVE }, 133185029Spjd { "mixed", ZFS_CASE_MIXED }, 134185029Spjd { NULL } 135185029Spjd }; 136168404Spjd 137185029Spjd static zprop_index_t copies_table[] = { 138185029Spjd { "1", 1 }, 139185029Spjd { "2", 2 }, 140185029Spjd { "3", 3 }, 141185029Spjd { NULL } 142185029Spjd }; 143168404Spjd 144185029Spjd /* 145185029Spjd * Use the unique flags we have to send to u8_strcmp() and/or 146185029Spjd * u8_textprep() to represent the various normalization property 147185029Spjd * values. 148185029Spjd */ 149185029Spjd static zprop_index_t normalize_table[] = { 150185029Spjd { "none", 0 }, 151185029Spjd { "formD", U8_TEXTPREP_NFD }, 152185029Spjd { "formKC", U8_TEXTPREP_NFKC }, 153185029Spjd { "formC", U8_TEXTPREP_NFC }, 154185029Spjd { "formKD", U8_TEXTPREP_NFKD }, 155185029Spjd { NULL } 156185029Spjd }; 157168404Spjd 158185029Spjd static zprop_index_t version_table[] = { 159185029Spjd { "1", 1 }, 160185029Spjd { "2", 2 }, 161185029Spjd { "3", 3 }, 162209962Smm { "4", 4 }, 163219089Spjd { "5", 5 }, 164185029Spjd { "current", ZPL_VERSION }, 165185029Spjd { NULL } 166185029Spjd }; 167168404Spjd 168185029Spjd static zprop_index_t boolean_table[] = { 169185029Spjd { "off", 0 }, 170185029Spjd { "on", 1 }, 171185029Spjd { NULL } 172185029Spjd }; 173168404Spjd 174219089Spjd static zprop_index_t logbias_table[] = { 175219089Spjd { "latency", ZFS_LOGBIAS_LATENCY }, 176219089Spjd { "throughput", ZFS_LOGBIAS_THROUGHPUT }, 177219089Spjd { NULL } 178219089Spjd }; 179219089Spjd 180185029Spjd static zprop_index_t canmount_table[] = { 181185029Spjd { "off", ZFS_CANMOUNT_OFF }, 182185029Spjd { "on", ZFS_CANMOUNT_ON }, 183185029Spjd { "noauto", ZFS_CANMOUNT_NOAUTO }, 184185029Spjd { NULL } 185185029Spjd }; 186168404Spjd 187185029Spjd static zprop_index_t cache_table[] = { 188185029Spjd { "none", ZFS_CACHE_NONE }, 189185029Spjd { "metadata", ZFS_CACHE_METADATA }, 190185029Spjd { "all", ZFS_CACHE_ALL }, 191185029Spjd { NULL } 192185029Spjd }; 193168404Spjd 194219089Spjd static zprop_index_t sync_table[] = { 195219089Spjd { "standard", ZFS_SYNC_STANDARD }, 196219089Spjd { "always", ZFS_SYNC_ALWAYS }, 197219089Spjd { "disabled", ZFS_SYNC_DISABLED }, 198219089Spjd { NULL } 199219089Spjd }; 200219089Spjd 201185029Spjd /* inherit index properties */ 202219089Spjd zprop_register_index(ZFS_PROP_SYNC, "sync", ZFS_SYNC_STANDARD, 203185029Spjd PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 204219089Spjd "standard | always | disabled", "SYNC", 205219089Spjd sync_table); 206219089Spjd zprop_register_index(ZFS_PROP_CHECKSUM, "checksum", 207219089Spjd ZIO_CHECKSUM_DEFAULT, PROP_INHERIT, ZFS_TYPE_FILESYSTEM | 208219089Spjd ZFS_TYPE_VOLUME, 209185029Spjd "on | off | fletcher2 | fletcher4 | sha256", "CHECKSUM", 210185029Spjd checksum_table); 211219089Spjd zprop_register_index(ZFS_PROP_DEDUP, "dedup", ZIO_CHECKSUM_OFF, 212219089Spjd PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 213219089Spjd "on | off | verify | sha256[,verify]", "DEDUP", 214219089Spjd dedup_table); 215219089Spjd zprop_register_index(ZFS_PROP_COMPRESSION, "compression", 216185029Spjd ZIO_COMPRESS_DEFAULT, PROP_INHERIT, 217185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 218246586Sdelphij "on | off | lzjb | gzip | gzip-[1-9] | zle | lz4", 219246586Sdelphij "COMPRESS", compress_table); 220219089Spjd zprop_register_index(ZFS_PROP_SNAPDIR, "snapdir", ZFS_SNAPDIR_HIDDEN, 221185029Spjd PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 222185029Spjd "hidden | visible", "SNAPDIR", snapdir_table); 223224174Smm zprop_register_index(ZFS_PROP_ACLMODE, "aclmode", ZFS_ACL_DISCARD, 224224174Smm PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 225243560Smm "discard | groupmask | passthrough | restricted", "ACLMODE", 226243560Smm acl_mode_table); 227219089Spjd zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit", 228219089Spjd ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 229201143Sdelphij "discard | noallow | restricted | passthrough | passthrough-x", 230185029Spjd "ACLINHERIT", acl_inherit_table); 231219089Spjd zprop_register_index(ZFS_PROP_COPIES, "copies", 1, PROP_INHERIT, 232219089Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 233185029Spjd "1 | 2 | 3", "COPIES", copies_table); 234219089Spjd zprop_register_index(ZFS_PROP_PRIMARYCACHE, "primarycache", 235185029Spjd ZFS_CACHE_ALL, PROP_INHERIT, 236185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, 237185029Spjd "all | none | metadata", "PRIMARYCACHE", cache_table); 238219089Spjd zprop_register_index(ZFS_PROP_SECONDARYCACHE, "secondarycache", 239185029Spjd ZFS_CACHE_ALL, PROP_INHERIT, 240185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, 241185029Spjd "all | none | metadata", "SECONDARYCACHE", cache_table); 242219089Spjd zprop_register_index(ZFS_PROP_LOGBIAS, "logbias", ZFS_LOGBIAS_LATENCY, 243219089Spjd PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 244219089Spjd "latency | throughput", "LOGBIAS", logbias_table); 245168404Spjd 246185029Spjd /* inherit index (boolean) properties */ 247219089Spjd zprop_register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT, 248185029Spjd ZFS_TYPE_FILESYSTEM, "on | off", "ATIME", boolean_table); 249219089Spjd zprop_register_index(ZFS_PROP_DEVICES, "devices", 1, PROP_INHERIT, 250185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "DEVICES", 251185029Spjd boolean_table); 252219089Spjd zprop_register_index(ZFS_PROP_EXEC, "exec", 1, PROP_INHERIT, 253185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "EXEC", 254185029Spjd boolean_table); 255219089Spjd zprop_register_index(ZFS_PROP_SETUID, "setuid", 1, PROP_INHERIT, 256185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "SETUID", 257185029Spjd boolean_table); 258219089Spjd zprop_register_index(ZFS_PROP_READONLY, "readonly", 0, PROP_INHERIT, 259185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "on | off", "RDONLY", 260185029Spjd boolean_table); 261219089Spjd zprop_register_index(ZFS_PROP_ZONED, "jailed", 0, PROP_INHERIT, 262185029Spjd ZFS_TYPE_FILESYSTEM, "on | off", "JAILED", boolean_table); 263219089Spjd zprop_register_index(ZFS_PROP_XATTR, "xattr", 1, PROP_INHERIT, 264185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "XATTR", 265185029Spjd boolean_table); 266219089Spjd zprop_register_index(ZFS_PROP_VSCAN, "vscan", 0, PROP_INHERIT, 267185029Spjd ZFS_TYPE_FILESYSTEM, "on | off", "VSCAN", 268185029Spjd boolean_table); 269219089Spjd zprop_register_index(ZFS_PROP_NBMAND, "nbmand", 0, PROP_INHERIT, 270185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "NBMAND", 271185029Spjd boolean_table); 272168404Spjd 273185029Spjd /* default index properties */ 274219089Spjd zprop_register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT, 275185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, 276228103Smm "1 | 2 | 3 | 4 | 5 | current", "VERSION", version_table); 277219089Spjd zprop_register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON, 278185029Spjd PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto", 279185029Spjd "CANMOUNT", canmount_table); 280168404Spjd 281185029Spjd /* readonly index (boolean) properties */ 282219089Spjd zprop_register_index(ZFS_PROP_MOUNTED, "mounted", 0, PROP_READONLY, 283185029Spjd ZFS_TYPE_FILESYSTEM, "yes | no", "MOUNTED", boolean_table); 284219089Spjd zprop_register_index(ZFS_PROP_DEFER_DESTROY, "defer_destroy", 0, 285219089Spjd PROP_READONLY, ZFS_TYPE_SNAPSHOT, "yes | no", "DEFER_DESTROY", 286219089Spjd boolean_table); 287185029Spjd 288185029Spjd /* set once index properties */ 289219089Spjd zprop_register_index(ZFS_PROP_NORMALIZE, "normalization", 0, 290185029Spjd PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, 291185029Spjd "none | formC | formD | formKC | formKD", "NORMALIZATION", 292185029Spjd normalize_table); 293219089Spjd zprop_register_index(ZFS_PROP_CASE, "casesensitivity", 294219089Spjd ZFS_CASE_SENSITIVE, PROP_ONETIME, ZFS_TYPE_FILESYSTEM | 295219089Spjd ZFS_TYPE_SNAPSHOT, 296185029Spjd "sensitive | insensitive | mixed", "CASE", case_table); 297185029Spjd 298185029Spjd /* set once index (boolean) properties */ 299219089Spjd zprop_register_index(ZFS_PROP_UTF8ONLY, "utf8only", 0, PROP_ONETIME, 300185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, 301185029Spjd "on | off", "UTF8ONLY", boolean_table); 302185029Spjd 303185029Spjd /* string properties */ 304219089Spjd zprop_register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY, 305185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<snapshot>", "ORIGIN"); 306228103Smm zprop_register_string(ZFS_PROP_CLONES, "clones", NULL, PROP_READONLY, 307228103Smm ZFS_TYPE_SNAPSHOT, "<dataset>[,...]", "CLONES"); 308219089Spjd zprop_register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/", 309219089Spjd PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "<path> | legacy | none", 310219089Spjd "MOUNTPOINT"); 311219089Spjd zprop_register_string(ZFS_PROP_SHARENFS, "sharenfs", "off", 312219089Spjd PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "on | off | share(1M) options", 313219089Spjd "SHARENFS"); 314219089Spjd zprop_register_string(ZFS_PROP_TYPE, "type", NULL, PROP_READONLY, 315263407Sdelphij ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, 316263407Sdelphij "filesystem | volume | snapshot | bookmark", "TYPE"); 317219089Spjd zprop_register_string(ZFS_PROP_SHARESMB, "sharesmb", "off", 318219089Spjd PROP_INHERIT, ZFS_TYPE_FILESYSTEM, 319219089Spjd "on | off | sharemgr(1M) options", "SHARESMB"); 320219089Spjd zprop_register_string(ZFS_PROP_MLSLABEL, "mlslabel", 321219089Spjd ZFS_MLSLABEL_DEFAULT, PROP_INHERIT, ZFS_TYPE_DATASET, 322219089Spjd "<sensitivity label>", "MLSLABEL"); 323185029Spjd 324185029Spjd /* readonly number properties */ 325219089Spjd zprop_register_number(ZFS_PROP_USED, "used", 0, PROP_READONLY, 326185029Spjd ZFS_TYPE_DATASET, "<size>", "USED"); 327219089Spjd zprop_register_number(ZFS_PROP_AVAILABLE, "available", 0, PROP_READONLY, 328185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "AVAIL"); 329219089Spjd zprop_register_number(ZFS_PROP_REFERENCED, "referenced", 0, 330219089Spjd PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "REFER"); 331219089Spjd zprop_register_number(ZFS_PROP_COMPRESSRATIO, "compressratio", 0, 332185029Spjd PROP_READONLY, ZFS_TYPE_DATASET, 333185029Spjd "<1.00x or higher if compressed>", "RATIO"); 334223623Smm zprop_register_number(ZFS_PROP_REFRATIO, "refcompressratio", 0, 335223623Smm PROP_READONLY, ZFS_TYPE_DATASET, 336223623Smm "<1.00x or higher if compressed>", "REFRATIO"); 337219089Spjd zprop_register_number(ZFS_PROP_VOLBLOCKSIZE, "volblocksize", 338219089Spjd ZVOL_DEFAULT_BLOCKSIZE, PROP_ONETIME, 339185029Spjd ZFS_TYPE_VOLUME, "512 to 128k, power of 2", "VOLBLOCK"); 340219089Spjd zprop_register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0, 341219089Spjd PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", 342219089Spjd "USEDSNAP"); 343219089Spjd zprop_register_number(ZFS_PROP_USEDDS, "usedbydataset", 0, 344219089Spjd PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", 345219089Spjd "USEDDS"); 346219089Spjd zprop_register_number(ZFS_PROP_USEDCHILD, "usedbychildren", 0, 347219089Spjd PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", 348219089Spjd "USEDCHILD"); 349219089Spjd zprop_register_number(ZFS_PROP_USEDREFRESERV, "usedbyrefreservation", 0, 350185029Spjd PROP_READONLY, 351185029Spjd ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDREFRESERV"); 352219089Spjd zprop_register_number(ZFS_PROP_USERREFS, "userrefs", 0, PROP_READONLY, 353219089Spjd ZFS_TYPE_SNAPSHOT, "<count>", "USERREFS"); 354228103Smm zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY, 355228103Smm ZFS_TYPE_DATASET, "<size>", "WRITTEN"); 356247585Smm zprop_register_number(ZFS_PROP_LOGICALUSED, "logicalused", 0, 357247585Smm PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "LUSED"); 358247585Smm zprop_register_number(ZFS_PROP_LOGICALREFERENCED, "logicalreferenced", 359247585Smm 0, PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "LREFER"); 360185029Spjd 361185029Spjd /* default number properties */ 362219089Spjd zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT, 363185029Spjd ZFS_TYPE_FILESYSTEM, "<size> | none", "QUOTA"); 364219089Spjd zprop_register_number(ZFS_PROP_RESERVATION, "reservation", 0, 365219089Spjd PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 366219089Spjd "<size> | none", "RESERV"); 367219089Spjd zprop_register_number(ZFS_PROP_VOLSIZE, "volsize", 0, PROP_DEFAULT, 368185029Spjd ZFS_TYPE_VOLUME, "<size>", "VOLSIZE"); 369219089Spjd zprop_register_number(ZFS_PROP_REFQUOTA, "refquota", 0, PROP_DEFAULT, 370185029Spjd ZFS_TYPE_FILESYSTEM, "<size> | none", "REFQUOTA"); 371219089Spjd zprop_register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0, 372185029Spjd PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, 373185029Spjd "<size> | none", "REFRESERV"); 374185029Spjd 375185029Spjd /* inherit number properties */ 376219089Spjd zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize", 377219089Spjd SPA_MAXBLOCKSIZE, PROP_INHERIT, 378185029Spjd ZFS_TYPE_FILESYSTEM, "512 to 128k, power of 2", "RECSIZE"); 379185029Spjd 380185029Spjd /* hidden properties */ 381219089Spjd zprop_register_hidden(ZFS_PROP_CREATETXG, "createtxg", PROP_TYPE_NUMBER, 382263407Sdelphij PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "CREATETXG"); 383219089Spjd zprop_register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER, 384219089Spjd PROP_READONLY, ZFS_TYPE_SNAPSHOT, "NUMCLONES"); 385219089Spjd zprop_register_hidden(ZFS_PROP_NAME, "name", PROP_TYPE_STRING, 386263407Sdelphij PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "NAME"); 387219089Spjd zprop_register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions", 388219089Spjd PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS"); 389219089Spjd zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu", 390219089Spjd PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, 391219089Spjd "STMF_SBD_LU"); 392219089Spjd zprop_register_hidden(ZFS_PROP_GUID, "guid", PROP_TYPE_NUMBER, 393263407Sdelphij PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "GUID"); 394219089Spjd zprop_register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting", 395219089Spjd PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, 396219089Spjd "USERACCOUNTING"); 397219089Spjd zprop_register_hidden(ZFS_PROP_UNIQUE, "unique", PROP_TYPE_NUMBER, 398219089Spjd PROP_READONLY, ZFS_TYPE_DATASET, "UNIQUE"); 399219089Spjd zprop_register_hidden(ZFS_PROP_OBJSETID, "objsetid", PROP_TYPE_NUMBER, 400219089Spjd PROP_READONLY, ZFS_TYPE_DATASET, "OBJSETID"); 401253819Sdelphij zprop_register_hidden(ZFS_PROP_INCONSISTENT, "inconsistent", 402253819Sdelphij PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, "INCONSISTENT"); 403185029Spjd 404185029Spjd /* oddball properties */ 405219089Spjd zprop_register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0, 406263407Sdelphij NULL, PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, 407185029Spjd "<date>", "CREATION", B_FALSE, B_TRUE, NULL); 408168404Spjd} 409168404Spjd 410185029Spjdboolean_t 411185029Spjdzfs_prop_delegatable(zfs_prop_t prop) 412168404Spjd{ 413185029Spjd zprop_desc_t *pd = &zfs_prop_table[prop]; 414219089Spjd 415219089Spjd /* The mlslabel property is never delegatable. */ 416219089Spjd if (prop == ZFS_PROP_MLSLABEL) 417219089Spjd return (B_FALSE); 418219089Spjd 419185029Spjd return (pd->pd_attr != PROP_READONLY); 420168404Spjd} 421168404Spjd 422168404Spjd/* 423168404Spjd * Given a zfs dataset property name, returns the corresponding property ID. 424168404Spjd */ 425168404Spjdzfs_prop_t 426168404Spjdzfs_name_to_prop(const char *propname) 427168404Spjd{ 428185029Spjd return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET)); 429168404Spjd} 430168404Spjd 431168404Spjd/* 432168404Spjd * For user property names, we allow all lowercase alphanumeric characters, plus 433168404Spjd * a few useful punctuation characters. 434168404Spjd */ 435168404Spjdstatic int 436168404Spjdvalid_char(char c) 437168404Spjd{ 438168404Spjd return ((c >= 'a' && c <= 'z') || 439168404Spjd (c >= '0' && c <= '9') || 440168404Spjd c == '-' || c == '_' || c == '.' || c == ':'); 441168404Spjd} 442168404Spjd 443168404Spjd/* 444168404Spjd * Returns true if this is a valid user-defined property (one with a ':'). 445168404Spjd */ 446168404Spjdboolean_t 447168404Spjdzfs_prop_user(const char *name) 448168404Spjd{ 449168404Spjd int i; 450168404Spjd char c; 451168404Spjd boolean_t foundsep = B_FALSE; 452168404Spjd 453168404Spjd for (i = 0; i < strlen(name); i++) { 454168404Spjd c = name[i]; 455168404Spjd if (!valid_char(c)) 456168404Spjd return (B_FALSE); 457168404Spjd if (c == ':') 458168404Spjd foundsep = B_TRUE; 459168404Spjd } 460168404Spjd 461168404Spjd if (!foundsep) 462168404Spjd return (B_FALSE); 463168404Spjd 464168404Spjd return (B_TRUE); 465168404Spjd} 466168404Spjd 467168404Spjd/* 468209962Smm * Returns true if this is a valid userspace-type property (one with a '@'). 469209962Smm * Note that after the @, any character is valid (eg, another @, for SID 470209962Smm * user@domain). 471209962Smm */ 472209962Smmboolean_t 473209962Smmzfs_prop_userquota(const char *name) 474209962Smm{ 475209962Smm zfs_userquota_prop_t prop; 476209962Smm 477209962Smm for (prop = 0; prop < ZFS_NUM_USERQUOTA_PROPS; prop++) { 478209962Smm if (strncmp(name, zfs_userquota_prop_prefixes[prop], 479209962Smm strlen(zfs_userquota_prop_prefixes[prop])) == 0) { 480209962Smm return (B_TRUE); 481209962Smm } 482209962Smm } 483209962Smm 484209962Smm return (B_FALSE); 485209962Smm} 486209962Smm 487209962Smm/* 488228103Smm * Returns true if this is a valid written@ property. 489228103Smm * Note that after the @, any character is valid (eg, another @, for 490228103Smm * written@pool/fs@origin). 491228103Smm */ 492228103Smmboolean_t 493228103Smmzfs_prop_written(const char *name) 494228103Smm{ 495228103Smm static const char *prefix = "written@"; 496228103Smm return (strncmp(name, prefix, strlen(prefix)) == 0); 497228103Smm} 498228103Smm 499228103Smm/* 500185029Spjd * Tables of index types, plus functions to convert between the user view 501185029Spjd * (strings) and internal representation (uint64_t). 502168404Spjd */ 503185029Spjdint 504185029Spjdzfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index) 505168404Spjd{ 506185029Spjd return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET)); 507168404Spjd} 508168404Spjd 509185029Spjdint 510185029Spjdzfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string) 511168404Spjd{ 512185029Spjd return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET)); 513168404Spjd} 514168404Spjd 515219089Spjduint64_t 516219089Spjdzfs_prop_random_value(zfs_prop_t prop, uint64_t seed) 517219089Spjd{ 518219089Spjd return (zprop_random_value(prop, seed, ZFS_TYPE_DATASET)); 519219089Spjd} 520219089Spjd 521168404Spjd/* 522185029Spjd * Returns TRUE if the property applies to any of the given dataset types. 523168404Spjd */ 524185029Spjdboolean_t 525185029Spjdzfs_prop_valid_for_type(int prop, zfs_type_t types) 526168404Spjd{ 527185029Spjd return (zprop_valid_for_type(prop, types)); 528168404Spjd} 529168404Spjd 530185029Spjdzprop_type_t 531185029Spjdzfs_prop_get_type(zfs_prop_t prop) 532168404Spjd{ 533185029Spjd return (zfs_prop_table[prop].pd_proptype); 534168404Spjd} 535168404Spjd 536168404Spjd/* 537185029Spjd * Returns TRUE if the property is readonly. 538168404Spjd */ 539185029Spjdboolean_t 540185029Spjdzfs_prop_readonly(zfs_prop_t prop) 541168404Spjd{ 542185029Spjd return (zfs_prop_table[prop].pd_attr == PROP_READONLY || 543185029Spjd zfs_prop_table[prop].pd_attr == PROP_ONETIME); 544168404Spjd} 545168404Spjd 546168404Spjd/* 547185029Spjd * Returns TRUE if the property is only allowed to be set once. 548168404Spjd */ 549185029Spjdboolean_t 550185029Spjdzfs_prop_setonce(zfs_prop_t prop) 551168404Spjd{ 552185029Spjd return (zfs_prop_table[prop].pd_attr == PROP_ONETIME); 553168404Spjd} 554168404Spjd 555185029Spjdconst char * 556185029Spjdzfs_prop_default_string(zfs_prop_t prop) 557185029Spjd{ 558185029Spjd return (zfs_prop_table[prop].pd_strdefault); 559185029Spjd} 560168404Spjd 561185029Spjduint64_t 562185029Spjdzfs_prop_default_numeric(zfs_prop_t prop) 563168404Spjd{ 564185029Spjd return (zfs_prop_table[prop].pd_numdefault); 565168404Spjd} 566168404Spjd 567168404Spjd/* 568185029Spjd * Given a dataset property ID, returns the corresponding name. 569185029Spjd * Assuming the zfs dataset property ID is valid. 570168404Spjd */ 571185029Spjdconst char * 572185029Spjdzfs_prop_to_name(zfs_prop_t prop) 573168404Spjd{ 574185029Spjd return (zfs_prop_table[prop].pd_name); 575168404Spjd} 576168404Spjd 577185029Spjd/* 578185029Spjd * Returns TRUE if the property is inheritable. 579185029Spjd */ 580185029Spjdboolean_t 581185029Spjdzfs_prop_inheritable(zfs_prop_t prop) 582168404Spjd{ 583185029Spjd return (zfs_prop_table[prop].pd_attr == PROP_INHERIT || 584185029Spjd zfs_prop_table[prop].pd_attr == PROP_ONETIME); 585168404Spjd} 586168404Spjd 587168404Spjd#ifndef _KERNEL 588168404Spjd 589168404Spjd/* 590168404Spjd * Returns a string describing the set of acceptable values for the given 591168404Spjd * zfs property, or NULL if it cannot be set. 592168404Spjd */ 593168404Spjdconst char * 594168404Spjdzfs_prop_values(zfs_prop_t prop) 595168404Spjd{ 596168404Spjd return (zfs_prop_table[prop].pd_values); 597168404Spjd} 598168404Spjd 599168404Spjd/* 600168404Spjd * Returns TRUE if this property is a string type. Note that index types 601168404Spjd * (compression, checksum) are treated as strings in userland, even though they 602168404Spjd * are stored numerically on disk. 603168404Spjd */ 604168404Spjdint 605168404Spjdzfs_prop_is_string(zfs_prop_t prop) 606168404Spjd{ 607185029Spjd return (zfs_prop_table[prop].pd_proptype == PROP_TYPE_STRING || 608185029Spjd zfs_prop_table[prop].pd_proptype == PROP_TYPE_INDEX); 609168404Spjd} 610168404Spjd 611168404Spjd/* 612168404Spjd * Returns the column header for the given property. Used only in 613168404Spjd * 'zfs list -o', but centralized here with the other property information. 614168404Spjd */ 615168404Spjdconst char * 616168404Spjdzfs_prop_column_name(zfs_prop_t prop) 617168404Spjd{ 618168404Spjd return (zfs_prop_table[prop].pd_colname); 619168404Spjd} 620168404Spjd 621168404Spjd/* 622168404Spjd * Returns whether the given property should be displayed right-justified for 623168404Spjd * 'zfs list'. 624168404Spjd */ 625168404Spjdboolean_t 626168404Spjdzfs_prop_align_right(zfs_prop_t prop) 627168404Spjd{ 628168404Spjd return (zfs_prop_table[prop].pd_rightalign); 629168404Spjd} 630168404Spjd 631168404Spjd#endif 632