xref: /freebsd/sys/contrib/openzfs/module/zcommon/zfs_prop.c (revision 96190b4fef3b4a0cc3ca0606b0c4e3e69a5e6717)
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) 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  * Copyright (c) 2022 Hewlett Packard Enterprise Development LP.
29  */
30 
31 /* Portions Copyright 2010 Robert Milkowski */
32 
33 #if defined(_KERNEL)
34 #include <sys/simd.h>
35 #endif
36 
37 #include <sys/zio.h>
38 #include <sys/spa.h>
39 #include <sys/u8_textprep.h>
40 #include <sys/zfs_acl.h>
41 #include <sys/zfs_ioctl.h>
42 #include <sys/zfs_znode.h>
43 #include <sys/dsl_crypt.h>
44 #include <sys/simd.h>
45 
46 #include "zfs_prop.h"
47 #include "zfs_deleg.h"
48 #include "zfs_fletcher.h"
49 
50 #if !defined(_KERNEL)
51 #include <stdlib.h>
52 #include <string.h>
53 #include <ctype.h>
54 #endif
55 
56 static zprop_desc_t zfs_prop_table[ZFS_NUM_PROPS];
57 
58 /* Note this is indexed by zfs_userquota_prop_t, keep the order the same */
59 const char *const zfs_userquota_prop_prefixes[] = {
60 	"userused@",
61 	"userquota@",
62 	"groupused@",
63 	"groupquota@",
64 	"userobjused@",
65 	"userobjquota@",
66 	"groupobjused@",
67 	"groupobjquota@",
68 	"projectused@",
69 	"projectquota@",
70 	"projectobjused@",
71 	"projectobjquota@"
72 };
73 
74 zprop_desc_t *
75 zfs_prop_get_table(void)
76 {
77 	return (zfs_prop_table);
78 }
79 
80 void
81 zfs_prop_init(void)
82 {
83 	static const zprop_index_t checksum_table[] = {
84 		{ "on",		ZIO_CHECKSUM_ON },
85 		{ "off",	ZIO_CHECKSUM_OFF },
86 		{ "fletcher2",	ZIO_CHECKSUM_FLETCHER_2 },
87 		{ "fletcher4",	ZIO_CHECKSUM_FLETCHER_4 },
88 		{ "sha256",	ZIO_CHECKSUM_SHA256 },
89 		{ "noparity",   ZIO_CHECKSUM_NOPARITY },
90 		{ "sha512",	ZIO_CHECKSUM_SHA512 },
91 		{ "skein",	ZIO_CHECKSUM_SKEIN },
92 		{ "edonr",	ZIO_CHECKSUM_EDONR },
93 		{ "blake3",	ZIO_CHECKSUM_BLAKE3 },
94 		{ NULL }
95 	};
96 
97 	static const zprop_index_t dedup_table[] = {
98 		{ "on",		ZIO_CHECKSUM_ON },
99 		{ "off",	ZIO_CHECKSUM_OFF },
100 		{ "verify",	ZIO_CHECKSUM_ON | ZIO_CHECKSUM_VERIFY },
101 		{ "sha256",	ZIO_CHECKSUM_SHA256 },
102 		{ "sha256,verify",
103 				ZIO_CHECKSUM_SHA256 | ZIO_CHECKSUM_VERIFY },
104 		{ "sha512",	ZIO_CHECKSUM_SHA512 },
105 		{ "sha512,verify",
106 				ZIO_CHECKSUM_SHA512 | ZIO_CHECKSUM_VERIFY },
107 		{ "skein",	ZIO_CHECKSUM_SKEIN },
108 		{ "skein,verify",
109 				ZIO_CHECKSUM_SKEIN | ZIO_CHECKSUM_VERIFY },
110 		{ "edonr,verify",
111 				ZIO_CHECKSUM_EDONR | ZIO_CHECKSUM_VERIFY },
112 		{ "blake3",	ZIO_CHECKSUM_BLAKE3 },
113 		{ "blake3,verify",
114 				ZIO_CHECKSUM_BLAKE3 | ZIO_CHECKSUM_VERIFY },
115 		{ NULL }
116 	};
117 
118 	static const zprop_index_t compress_table[] = {
119 		{ "on",		ZIO_COMPRESS_ON },
120 		{ "off",	ZIO_COMPRESS_OFF },
121 		{ "lzjb",	ZIO_COMPRESS_LZJB },
122 		{ "gzip",	ZIO_COMPRESS_GZIP_6 },	/* gzip default */
123 		{ "gzip-1",	ZIO_COMPRESS_GZIP_1 },
124 		{ "gzip-2",	ZIO_COMPRESS_GZIP_2 },
125 		{ "gzip-3",	ZIO_COMPRESS_GZIP_3 },
126 		{ "gzip-4",	ZIO_COMPRESS_GZIP_4 },
127 		{ "gzip-5",	ZIO_COMPRESS_GZIP_5 },
128 		{ "gzip-6",	ZIO_COMPRESS_GZIP_6 },
129 		{ "gzip-7",	ZIO_COMPRESS_GZIP_7 },
130 		{ "gzip-8",	ZIO_COMPRESS_GZIP_8 },
131 		{ "gzip-9",	ZIO_COMPRESS_GZIP_9 },
132 		{ "zle",	ZIO_COMPRESS_ZLE },
133 		{ "lz4",	ZIO_COMPRESS_LZ4 },
134 		{ "zstd",	ZIO_COMPRESS_ZSTD },
135 		{ "zstd-fast",
136 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_DEFAULT) },
137 
138 		/*
139 		 * ZSTD 1-19 are synthetic. We store the compression level in a
140 		 * separate hidden property to avoid wasting a large amount of
141 		 * space in the ZIO_COMPRESS enum.
142 		 *
143 		 * The compression level is also stored within the header of the
144 		 * compressed block since we may need it for later recompression
145 		 * to avoid checksum errors (L2ARC).
146 		 *
147 		 * Note that the level here is defined as bit shifted mask on
148 		 * top of the method.
149 		 */
150 		{ "zstd-1",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_1) },
151 		{ "zstd-2",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_2) },
152 		{ "zstd-3",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_3) },
153 		{ "zstd-4",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_4) },
154 		{ "zstd-5",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_5) },
155 		{ "zstd-6",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_6) },
156 		{ "zstd-7",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_7) },
157 		{ "zstd-8",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_8) },
158 		{ "zstd-9",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_9) },
159 		{ "zstd-10",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_10) },
160 		{ "zstd-11",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_11) },
161 		{ "zstd-12",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_12) },
162 		{ "zstd-13",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_13) },
163 		{ "zstd-14",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_14) },
164 		{ "zstd-15",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_15) },
165 		{ "zstd-16",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_16) },
166 		{ "zstd-17",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_17) },
167 		{ "zstd-18",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_18) },
168 		{ "zstd-19",	ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_19) },
169 
170 		/*
171 		 * The ZSTD-Fast levels are also synthetic.
172 		 */
173 		{ "zstd-fast-1",
174 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_1) },
175 		{ "zstd-fast-2",
176 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_2) },
177 		{ "zstd-fast-3",
178 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_3) },
179 		{ "zstd-fast-4",
180 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_4) },
181 		{ "zstd-fast-5",
182 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_5) },
183 		{ "zstd-fast-6",
184 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_6) },
185 		{ "zstd-fast-7",
186 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_7) },
187 		{ "zstd-fast-8",
188 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_8) },
189 		{ "zstd-fast-9",
190 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_9) },
191 		{ "zstd-fast-10",
192 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_10) },
193 		{ "zstd-fast-20",
194 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_20) },
195 		{ "zstd-fast-30",
196 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_30) },
197 		{ "zstd-fast-40",
198 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_40) },
199 		{ "zstd-fast-50",
200 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_50) },
201 		{ "zstd-fast-60",
202 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_60) },
203 		{ "zstd-fast-70",
204 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_70) },
205 		{ "zstd-fast-80",
206 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_80) },
207 		{ "zstd-fast-90",
208 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_90) },
209 		{ "zstd-fast-100",
210 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_100) },
211 		{ "zstd-fast-500",
212 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_500) },
213 		{ "zstd-fast-1000",
214 		    ZIO_COMPLEVEL_ZSTD(ZIO_ZSTD_LEVEL_FAST_1000) },
215 		{ NULL }
216 	};
217 
218 	static const zprop_index_t crypto_table[] = {
219 		{ "on",			ZIO_CRYPT_ON },
220 		{ "off",		ZIO_CRYPT_OFF },
221 		{ "aes-128-ccm",	ZIO_CRYPT_AES_128_CCM },
222 		{ "aes-192-ccm",	ZIO_CRYPT_AES_192_CCM },
223 		{ "aes-256-ccm",	ZIO_CRYPT_AES_256_CCM },
224 		{ "aes-128-gcm",	ZIO_CRYPT_AES_128_GCM },
225 		{ "aes-192-gcm",	ZIO_CRYPT_AES_192_GCM },
226 		{ "aes-256-gcm",	ZIO_CRYPT_AES_256_GCM },
227 		{ NULL }
228 	};
229 
230 	static const zprop_index_t keyformat_table[] = {
231 		{ "none",		ZFS_KEYFORMAT_NONE },
232 		{ "raw",		ZFS_KEYFORMAT_RAW },
233 		{ "hex",		ZFS_KEYFORMAT_HEX },
234 		{ "passphrase",		ZFS_KEYFORMAT_PASSPHRASE },
235 		{ NULL }
236 	};
237 
238 	static const zprop_index_t snapdir_table[] = {
239 		{ "hidden",	ZFS_SNAPDIR_HIDDEN },
240 		{ "visible",	ZFS_SNAPDIR_VISIBLE },
241 		{ "disabled",	ZFS_SNAPDIR_DISABLED },
242 		{ NULL }
243 	};
244 
245 	static const zprop_index_t snapdev_table[] = {
246 		{ "hidden",	ZFS_SNAPDEV_HIDDEN },
247 		{ "visible",	ZFS_SNAPDEV_VISIBLE },
248 		{ NULL }
249 	};
250 
251 	static const zprop_index_t acl_mode_table[] = {
252 		{ "discard",	ZFS_ACL_DISCARD },
253 		{ "groupmask",	ZFS_ACL_GROUPMASK },
254 		{ "passthrough", ZFS_ACL_PASSTHROUGH },
255 		{ "restricted",	ZFS_ACL_RESTRICTED },
256 		{ NULL }
257 	};
258 
259 	static const zprop_index_t acltype_table[] = {
260 		{ "off",	ZFS_ACLTYPE_OFF },
261 		{ "posix",	ZFS_ACLTYPE_POSIX },
262 		{ "nfsv4",	ZFS_ACLTYPE_NFSV4 },
263 		{ "disabled",	ZFS_ACLTYPE_OFF }, /* bkwrd compatibility */
264 		{ "noacl",	ZFS_ACLTYPE_OFF }, /* bkwrd compatibility */
265 		{ "posixacl",	ZFS_ACLTYPE_POSIX }, /* bkwrd compatibility */
266 		{ NULL }
267 	};
268 
269 	static const zprop_index_t acl_inherit_table[] = {
270 		{ "discard",	ZFS_ACL_DISCARD },
271 		{ "noallow",	ZFS_ACL_NOALLOW },
272 		{ "restricted",	ZFS_ACL_RESTRICTED },
273 		{ "passthrough", ZFS_ACL_PASSTHROUGH },
274 		{ "secure",	ZFS_ACL_RESTRICTED }, /* bkwrd compatibility */
275 		{ "passthrough-x", ZFS_ACL_PASSTHROUGH_X },
276 		{ NULL }
277 	};
278 
279 	static const zprop_index_t case_table[] = {
280 		{ "sensitive",		ZFS_CASE_SENSITIVE },
281 		{ "insensitive",	ZFS_CASE_INSENSITIVE },
282 		{ "mixed",		ZFS_CASE_MIXED },
283 		{ NULL }
284 	};
285 
286 	static const zprop_index_t copies_table[] = {
287 		{ "1",		1 },
288 		{ "2",		2 },
289 		{ "3",		3 },
290 		{ NULL }
291 	};
292 
293 	/*
294 	 * Use the unique flags we have to send to u8_strcmp() and/or
295 	 * u8_textprep() to represent the various normalization property
296 	 * values.
297 	 */
298 	static const zprop_index_t normalize_table[] = {
299 		{ "none",	0 },
300 		{ "formD",	U8_TEXTPREP_NFD },
301 		{ "formKC",	U8_TEXTPREP_NFKC },
302 		{ "formC",	U8_TEXTPREP_NFC },
303 		{ "formKD",	U8_TEXTPREP_NFKD },
304 		{ NULL }
305 	};
306 
307 	static const zprop_index_t version_table[] = {
308 		{ "1",		1 },
309 		{ "2",		2 },
310 		{ "3",		3 },
311 		{ "4",		4 },
312 		{ "5",		5 },
313 		{ "current",	ZPL_VERSION },
314 		{ NULL }
315 	};
316 
317 	static const zprop_index_t boolean_table[] = {
318 		{ "off",	0 },
319 		{ "on",		1 },
320 		{ NULL }
321 	};
322 
323 	static const zprop_index_t keystatus_table[] = {
324 		{ "none",		ZFS_KEYSTATUS_NONE},
325 		{ "unavailable",	ZFS_KEYSTATUS_UNAVAILABLE},
326 		{ "available",		ZFS_KEYSTATUS_AVAILABLE},
327 		{ NULL }
328 	};
329 
330 	static const zprop_index_t logbias_table[] = {
331 		{ "latency",	ZFS_LOGBIAS_LATENCY },
332 		{ "throughput",	ZFS_LOGBIAS_THROUGHPUT },
333 		{ NULL }
334 	};
335 
336 	static const zprop_index_t canmount_table[] = {
337 		{ "off",	ZFS_CANMOUNT_OFF },
338 		{ "on",		ZFS_CANMOUNT_ON },
339 		{ "noauto",	ZFS_CANMOUNT_NOAUTO },
340 		{ NULL }
341 	};
342 
343 	static const zprop_index_t cache_table[] = {
344 		{ "none",	ZFS_CACHE_NONE },
345 		{ "metadata",	ZFS_CACHE_METADATA },
346 		{ "all",	ZFS_CACHE_ALL },
347 		{ NULL }
348 	};
349 
350 	static const zprop_index_t prefetch_table[] = {
351 		{ "none",	ZFS_PREFETCH_NONE },
352 		{ "metadata",	ZFS_PREFETCH_METADATA },
353 		{ "all",	ZFS_PREFETCH_ALL },
354 		{ NULL }
355 	};
356 
357 	static const zprop_index_t sync_table[] = {
358 		{ "standard",	ZFS_SYNC_STANDARD },
359 		{ "always",	ZFS_SYNC_ALWAYS },
360 		{ "disabled",	ZFS_SYNC_DISABLED },
361 		{ NULL }
362 	};
363 
364 	static const zprop_index_t xattr_table[] = {
365 		{ "off",	ZFS_XATTR_OFF },
366 		{ "on",		ZFS_XATTR_SA },
367 		{ "sa",		ZFS_XATTR_SA },
368 		{ "dir",	ZFS_XATTR_DIR },
369 		{ NULL }
370 	};
371 
372 	static const zprop_index_t dnsize_table[] = {
373 		{ "legacy",	ZFS_DNSIZE_LEGACY },
374 		{ "auto",	ZFS_DNSIZE_AUTO },
375 		{ "1k",		ZFS_DNSIZE_1K },
376 		{ "2k",		ZFS_DNSIZE_2K },
377 		{ "4k",		ZFS_DNSIZE_4K },
378 		{ "8k",		ZFS_DNSIZE_8K },
379 		{ "16k",	ZFS_DNSIZE_16K },
380 		{ NULL }
381 	};
382 
383 	static const zprop_index_t redundant_metadata_table[] = {
384 		{ "all",	ZFS_REDUNDANT_METADATA_ALL },
385 		{ "most",	ZFS_REDUNDANT_METADATA_MOST },
386 		{ "some",	ZFS_REDUNDANT_METADATA_SOME },
387 		{ "none",	ZFS_REDUNDANT_METADATA_NONE },
388 		{ NULL }
389 	};
390 
391 	static const zprop_index_t volmode_table[] = {
392 		{ "default",	ZFS_VOLMODE_DEFAULT },
393 		{ "full",	ZFS_VOLMODE_GEOM },
394 		{ "geom",	ZFS_VOLMODE_GEOM },
395 		{ "dev",	ZFS_VOLMODE_DEV },
396 		{ "none",	ZFS_VOLMODE_NONE },
397 		{ NULL }
398 	};
399 
400 	static const zprop_index_t direct_table[] = {
401 		{ "disabled",	ZFS_DIRECT_DISABLED },
402 		{ "standard",	ZFS_DIRECT_STANDARD },
403 		{ "always",	ZFS_DIRECT_ALWAYS },
404 		{ NULL }
405 	};
406 
407 	struct zfs_mod_supported_features *sfeatures =
408 	    zfs_mod_list_supported(ZFS_SYSFS_DATASET_PROPERTIES);
409 
410 	/* inherit index properties */
411 	zprop_register_index(ZFS_PROP_REDUNDANT_METADATA, "redundant_metadata",
412 	    ZFS_REDUNDANT_METADATA_ALL,
413 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
414 	    "all | most | some | none", "REDUND_MD",
415 	    redundant_metadata_table, sfeatures);
416 	zprop_register_index(ZFS_PROP_SYNC, "sync", ZFS_SYNC_STANDARD,
417 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
418 	    "standard | always | disabled", "SYNC",
419 	    sync_table, sfeatures);
420 	zprop_register_index(ZFS_PROP_CHECKSUM, "checksum",
421 	    ZIO_CHECKSUM_DEFAULT, PROP_INHERIT, ZFS_TYPE_FILESYSTEM |
422 	    ZFS_TYPE_VOLUME,
423 	    "on | off | fletcher2 | fletcher4 | sha256 | sha512 | skein"
424 	    " | edonr | blake3",
425 	    "CHECKSUM", checksum_table, sfeatures);
426 	zprop_register_index(ZFS_PROP_DEDUP, "dedup", ZIO_CHECKSUM_OFF,
427 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
428 	    "on | off | verify | sha256[,verify] | sha512[,verify] | "
429 	    "skein[,verify] | edonr,verify | blake3[,verify]",
430 	    "DEDUP", dedup_table, sfeatures);
431 	zprop_register_index(ZFS_PROP_COMPRESSION, "compression",
432 	    ZIO_COMPRESS_DEFAULT, PROP_INHERIT,
433 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
434 	    "on | off | lzjb | gzip | gzip-[1-9] | zle | lz4 | "
435 	    "zstd | zstd-[1-19] | "
436 	    "zstd-fast | zstd-fast-[1-10,20,30,40,50,60,70,80,90,100,500,1000]",
437 	    "COMPRESS", compress_table, sfeatures);
438 	zprop_register_index(ZFS_PROP_SNAPDIR, "snapdir", ZFS_SNAPDIR_HIDDEN,
439 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
440 	    "disabled | hidden | visible", "SNAPDIR", snapdir_table, sfeatures);
441 	zprop_register_index(ZFS_PROP_SNAPDEV, "snapdev", ZFS_SNAPDEV_HIDDEN,
442 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
443 	    "hidden | visible", "SNAPDEV", snapdev_table, sfeatures);
444 	zprop_register_index(ZFS_PROP_ACLMODE, "aclmode", ZFS_ACL_DISCARD,
445 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
446 	    "discard | groupmask | passthrough | restricted", "ACLMODE",
447 	    acl_mode_table, sfeatures);
448 	zprop_register_index(ZFS_PROP_ACLTYPE, "acltype",
449 #ifdef __linux__
450 	    /* Linux doesn't natively support ZFS's NFSv4-style ACLs. */
451 	    ZFS_ACLTYPE_OFF,
452 #else
453 	    ZFS_ACLTYPE_NFSV4,
454 #endif
455 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
456 	    "off | nfsv4 | posix", "ACLTYPE", acltype_table, sfeatures);
457 	zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit",
458 	    ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
459 	    "discard | noallow | restricted | passthrough | passthrough-x",
460 	    "ACLINHERIT", acl_inherit_table, sfeatures);
461 	zprop_register_index(ZFS_PROP_COPIES, "copies", 1, PROP_INHERIT,
462 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
463 	    "1 | 2 | 3", "COPIES", copies_table, sfeatures);
464 	zprop_register_index(ZFS_PROP_PRIMARYCACHE, "primarycache",
465 	    ZFS_CACHE_ALL, PROP_INHERIT,
466 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
467 	    "all | none | metadata", "PRIMARYCACHE", cache_table, sfeatures);
468 	zprop_register_index(ZFS_PROP_SECONDARYCACHE, "secondarycache",
469 	    ZFS_CACHE_ALL, PROP_INHERIT,
470 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
471 	    "all | none | metadata", "SECONDARYCACHE", cache_table, sfeatures);
472 	zprop_register_index(ZFS_PROP_PREFETCH, "prefetch",
473 	    ZFS_PREFETCH_ALL, PROP_INHERIT,
474 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
475 	    "none | metadata | all", "PREFETCH", prefetch_table, sfeatures);
476 	zprop_register_index(ZFS_PROP_LOGBIAS, "logbias", ZFS_LOGBIAS_LATENCY,
477 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
478 	    "latency | throughput", "LOGBIAS", logbias_table, sfeatures);
479 	zprop_register_index(ZFS_PROP_XATTR, "xattr", ZFS_XATTR_SA,
480 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
481 	    "on | off | dir | sa", "XATTR", xattr_table, sfeatures);
482 	zprop_register_index(ZFS_PROP_DNODESIZE, "dnodesize",
483 	    ZFS_DNSIZE_LEGACY, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
484 	    "legacy | auto | 1k | 2k | 4k | 8k | 16k", "DNSIZE", dnsize_table,
485 	    sfeatures);
486 	zprop_register_index(ZFS_PROP_VOLMODE, "volmode",
487 	    ZFS_VOLMODE_DEFAULT, PROP_INHERIT,
488 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
489 	    "default | full | geom | dev | none", "VOLMODE", volmode_table,
490 	    sfeatures);
491 	zprop_register_index(ZFS_PROP_DIRECT, "direct",
492 	    ZFS_DIRECT_STANDARD, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
493 	    "disabled | standard | always", "DIRECT", direct_table,
494 	    sfeatures);
495 
496 	/* inherit index (boolean) properties */
497 	zprop_register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT,
498 	    ZFS_TYPE_FILESYSTEM, "on | off", "ATIME", boolean_table, sfeatures);
499 	zprop_register_index(ZFS_PROP_RELATIME, "relatime", 1, PROP_INHERIT,
500 	    ZFS_TYPE_FILESYSTEM, "on | off", "RELATIME", boolean_table,
501 	    sfeatures);
502 	zprop_register_index(ZFS_PROP_DEVICES, "devices", 1, PROP_INHERIT,
503 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "DEVICES",
504 	    boolean_table, sfeatures);
505 	zprop_register_index(ZFS_PROP_EXEC, "exec", 1, PROP_INHERIT,
506 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "EXEC",
507 	    boolean_table, sfeatures);
508 	zprop_register_index(ZFS_PROP_SETUID, "setuid", 1, PROP_INHERIT,
509 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "SETUID",
510 	    boolean_table, sfeatures);
511 	zprop_register_index(ZFS_PROP_READONLY, "readonly", 0, PROP_INHERIT,
512 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "on | off", "RDONLY",
513 	    boolean_table, sfeatures);
514 #ifdef __FreeBSD__
515 	zprop_register_index(ZFS_PROP_ZONED, "jailed", 0, PROP_INHERIT,
516 	    ZFS_TYPE_FILESYSTEM, "on | off", "JAILED", boolean_table,
517 	    sfeatures);
518 #else
519 	zprop_register_index(ZFS_PROP_ZONED, "zoned", 0, PROP_INHERIT,
520 	    ZFS_TYPE_FILESYSTEM, "on | off", "ZONED", boolean_table, sfeatures);
521 #endif
522 	zprop_register_index(ZFS_PROP_VSCAN, "vscan", 0, PROP_INHERIT,
523 	    ZFS_TYPE_FILESYSTEM, "on | off", "VSCAN", boolean_table, sfeatures);
524 	zprop_register_index(ZFS_PROP_NBMAND, "nbmand", 0, PROP_INHERIT,
525 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "NBMAND",
526 	    boolean_table, sfeatures);
527 	zprop_register_index(ZFS_PROP_OVERLAY, "overlay", 1, PROP_INHERIT,
528 	    ZFS_TYPE_FILESYSTEM, "on | off", "OVERLAY", boolean_table,
529 	    sfeatures);
530 
531 	/* default index properties */
532 	zprop_register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT,
533 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
534 	    "1 | 2 | 3 | 4 | 5 | current", "VERSION", version_table, sfeatures);
535 	zprop_register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON,
536 	    PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto",
537 	    "CANMOUNT", canmount_table, sfeatures);
538 
539 	/* readonly index properties */
540 	zprop_register_index(ZFS_PROP_MOUNTED, "mounted", 0, PROP_READONLY,
541 	    ZFS_TYPE_FILESYSTEM, "yes | no", "MOUNTED", boolean_table,
542 	    sfeatures);
543 	zprop_register_index(ZFS_PROP_DEFER_DESTROY, "defer_destroy", 0,
544 	    PROP_READONLY, ZFS_TYPE_SNAPSHOT, "yes | no", "DEFER_DESTROY",
545 	    boolean_table, sfeatures);
546 	zprop_register_index(ZFS_PROP_KEYSTATUS, "keystatus",
547 	    ZFS_KEYSTATUS_NONE, PROP_READONLY, ZFS_TYPE_DATASET,
548 	    "none | unavailable | available",
549 	    "KEYSTATUS", keystatus_table, sfeatures);
550 
551 	/* set once index properties */
552 	zprop_register_index(ZFS_PROP_NORMALIZE, "normalization", 0,
553 	    PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
554 	    "none | formC | formD | formKC | formKD", "NORMALIZATION",
555 	    normalize_table, sfeatures);
556 	zprop_register_index(ZFS_PROP_CASE, "casesensitivity",
557 	    ZFS_CASE_SENSITIVE, PROP_ONETIME, ZFS_TYPE_FILESYSTEM |
558 	    ZFS_TYPE_SNAPSHOT,
559 	    "sensitive | insensitive | mixed", "CASE", case_table, sfeatures);
560 	zprop_register_index(ZFS_PROP_KEYFORMAT, "keyformat",
561 	    ZFS_KEYFORMAT_NONE, PROP_ONETIME_DEFAULT,
562 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
563 	    "none | raw | hex | passphrase", "KEYFORMAT", keyformat_table,
564 	    sfeatures);
565 	zprop_register_index(ZFS_PROP_ENCRYPTION, "encryption",
566 	    ZIO_CRYPT_DEFAULT, PROP_ONETIME, ZFS_TYPE_DATASET,
567 	    "on | off | aes-128-ccm | aes-192-ccm | aes-256-ccm | "
568 	    "aes-128-gcm | aes-192-gcm | aes-256-gcm", "ENCRYPTION",
569 	    crypto_table, sfeatures);
570 
571 	/* set once index (boolean) properties */
572 	zprop_register_index(ZFS_PROP_UTF8ONLY, "utf8only", 0, PROP_ONETIME,
573 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
574 	    "on | off", "UTF8ONLY", boolean_table, sfeatures);
575 
576 	/* string properties */
577 	zprop_register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY,
578 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<snapshot>", "ORIGIN",
579 	    sfeatures);
580 	zprop_register_string(ZFS_PROP_CLONES, "clones", NULL, PROP_READONLY,
581 	    ZFS_TYPE_SNAPSHOT, "<dataset>[,...]", "CLONES", sfeatures);
582 	zprop_register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/",
583 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "<path> | legacy | none",
584 	    "MOUNTPOINT", sfeatures);
585 	zprop_register_string(ZFS_PROP_SHARENFS, "sharenfs", "off",
586 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "on | off | NFS share options",
587 	    "SHARENFS", sfeatures);
588 	zprop_register_string(ZFS_PROP_TYPE, "type", NULL, PROP_READONLY,
589 	    ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK,
590 	    "filesystem | volume | snapshot | bookmark", "TYPE", sfeatures);
591 	zprop_register_string(ZFS_PROP_SHARESMB, "sharesmb", "off",
592 	    PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
593 	    "on | off | SMB share options", "SHARESMB", sfeatures);
594 	zprop_register_string(ZFS_PROP_MLSLABEL, "mlslabel",
595 	    ZFS_MLSLABEL_DEFAULT, PROP_INHERIT, ZFS_TYPE_DATASET,
596 	    "<sensitivity label>", "MLSLABEL", sfeatures);
597 	zprop_register_string(ZFS_PROP_SELINUX_CONTEXT, "context",
598 	    "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux context>",
599 	    "CONTEXT", sfeatures);
600 	zprop_register_string(ZFS_PROP_SELINUX_FSCONTEXT, "fscontext",
601 	    "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux fscontext>",
602 	    "FSCONTEXT", sfeatures);
603 	zprop_register_string(ZFS_PROP_SELINUX_DEFCONTEXT, "defcontext",
604 	    "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux defcontext>",
605 	    "DEFCONTEXT", sfeatures);
606 	zprop_register_string(ZFS_PROP_SELINUX_ROOTCONTEXT, "rootcontext",
607 	    "none", PROP_DEFAULT, ZFS_TYPE_DATASET, "<selinux rootcontext>",
608 	    "ROOTCONTEXT", sfeatures);
609 	zprop_register_string(ZFS_PROP_RECEIVE_RESUME_TOKEN,
610 	    "receive_resume_token",
611 	    NULL, PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
612 	    "<string token>", "RESUMETOK", sfeatures);
613 	zprop_register_string(ZFS_PROP_ENCRYPTION_ROOT, "encryptionroot", NULL,
614 	    PROP_READONLY, ZFS_TYPE_DATASET, "<filesystem | volume>",
615 	    "ENCROOT", sfeatures);
616 	zprop_register_string(ZFS_PROP_KEYLOCATION, "keylocation",
617 	    "none", PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
618 	    "prompt | <file URI> | <https URL> | <http URL>", "KEYLOCATION",
619 	    sfeatures);
620 	zprop_register_string(ZFS_PROP_REDACT_SNAPS,
621 	    "redact_snaps", NULL, PROP_READONLY,
622 	    ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<snapshot>[,...]",
623 	    "RSNAPS", sfeatures);
624 
625 	/* readonly number properties */
626 	zprop_register_number(ZFS_PROP_USED, "used", 0, PROP_READONLY,
627 	    ZFS_TYPE_DATASET, "<size>", "USED", B_FALSE, sfeatures);
628 	zprop_register_number(ZFS_PROP_AVAILABLE, "available", 0, PROP_READONLY,
629 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "AVAIL",
630 	    B_FALSE, sfeatures);
631 	zprop_register_number(ZFS_PROP_REFERENCED, "referenced", 0,
632 	    PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<size>",
633 	    "REFER", B_FALSE, sfeatures);
634 	zprop_register_number(ZFS_PROP_COMPRESSRATIO, "compressratio", 0,
635 	    PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK,
636 	    "<1.00x or higher if compressed>", "RATIO", B_FALSE, sfeatures);
637 	zprop_register_number(ZFS_PROP_REFRATIO, "refcompressratio", 0,
638 	    PROP_READONLY, ZFS_TYPE_DATASET,
639 	    "<1.00x or higher if compressed>", "REFRATIO", B_FALSE, sfeatures);
640 	zprop_register_number(ZFS_PROP_VOLBLOCKSIZE, "volblocksize",
641 	    ZVOL_DEFAULT_BLOCKSIZE, PROP_ONETIME,
642 	    ZFS_TYPE_VOLUME, "512 to 128k, power of 2",	"VOLBLOCK", B_FALSE,
643 	    sfeatures);
644 	zprop_register_index(ZFS_PROP_VOLTHREADING, "volthreading",
645 	    1, PROP_DEFAULT, ZFS_TYPE_VOLUME, "on | off", "zvol threading",
646 	    boolean_table, sfeatures);
647 	zprop_register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0,
648 	    PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
649 	    "USEDSNAP", B_FALSE, sfeatures);
650 	zprop_register_number(ZFS_PROP_USEDDS, "usedbydataset", 0,
651 	    PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
652 	    "USEDDS", B_FALSE, sfeatures);
653 	zprop_register_number(ZFS_PROP_USEDCHILD, "usedbychildren", 0,
654 	    PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
655 	    "USEDCHILD", B_FALSE, sfeatures);
656 	zprop_register_number(ZFS_PROP_USEDREFRESERV, "usedbyrefreservation", 0,
657 	    PROP_READONLY,
658 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDREFRESERV",
659 	    B_FALSE, sfeatures);
660 	zprop_register_number(ZFS_PROP_USERREFS, "userrefs", 0, PROP_READONLY,
661 	    ZFS_TYPE_SNAPSHOT, "<count>", "USERREFS", B_FALSE, sfeatures);
662 	zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY,
663 	    ZFS_TYPE_DATASET, "<size>", "WRITTEN", B_FALSE, sfeatures);
664 	zprop_register_number(ZFS_PROP_LOGICALUSED, "logicalused", 0,
665 	    PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
666 	    "LUSED", B_FALSE, sfeatures);
667 	zprop_register_number(ZFS_PROP_LOGICALREFERENCED, "logicalreferenced",
668 	    0, PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<size>",
669 	    "LREFER", B_FALSE, sfeatures);
670 	zprop_register_number(ZFS_PROP_FILESYSTEM_COUNT, "filesystem_count",
671 	    UINT64_MAX, PROP_READONLY, ZFS_TYPE_FILESYSTEM,
672 	    "<count>", "FSCOUNT", B_FALSE, sfeatures);
673 	zprop_register_number(ZFS_PROP_SNAPSHOT_COUNT, "snapshot_count",
674 	    UINT64_MAX, PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
675 	    "<count>", "SSCOUNT", B_FALSE, sfeatures);
676 	zprop_register_number(ZFS_PROP_GUID, "guid", 0, PROP_READONLY,
677 	    ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<uint64>", "GUID",
678 	    B_TRUE, sfeatures);
679 	zprop_register_number(ZFS_PROP_CREATETXG, "createtxg", 0, PROP_READONLY,
680 	    ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<uint64>", "CREATETXG",
681 	    B_TRUE, sfeatures);
682 	zprop_register_number(ZFS_PROP_PBKDF2_ITERS, "pbkdf2iters",
683 	    0, PROP_ONETIME_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
684 	    "<iters>", "PBKDF2ITERS", B_TRUE, sfeatures);
685 	zprop_register_number(ZFS_PROP_OBJSETID, "objsetid", 0,
686 	    PROP_READONLY, ZFS_TYPE_DATASET, "<uint64>", "OBJSETID", B_TRUE,
687 	    sfeatures);
688 
689 	/* default number properties */
690 	zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT,
691 	    ZFS_TYPE_FILESYSTEM, "<size> | none", "QUOTA", B_FALSE, sfeatures);
692 	zprop_register_number(ZFS_PROP_RESERVATION, "reservation", 0,
693 	    PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
694 	    "<size> | none", "RESERV", B_FALSE, sfeatures);
695 	zprop_register_number(ZFS_PROP_VOLSIZE, "volsize", 0, PROP_DEFAULT,
696 	    ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, "<size>", "VOLSIZE",
697 	    B_FALSE, sfeatures);
698 	zprop_register_number(ZFS_PROP_REFQUOTA, "refquota", 0, PROP_DEFAULT,
699 	    ZFS_TYPE_FILESYSTEM, "<size> | none", "REFQUOTA", B_FALSE,
700 	    sfeatures);
701 	zprop_register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0,
702 	    PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
703 	    "<size> | none", "REFRESERV", B_FALSE, sfeatures);
704 	zprop_register_number(ZFS_PROP_FILESYSTEM_LIMIT, "filesystem_limit",
705 	    UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM,
706 	    "<count> | none", "FSLIMIT", B_FALSE, sfeatures);
707 	zprop_register_number(ZFS_PROP_SNAPSHOT_LIMIT, "snapshot_limit",
708 	    UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
709 	    "<count> | none", "SSLIMIT", B_FALSE, sfeatures);
710 
711 	/* inherit number properties */
712 	zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize",
713 	    SPA_OLD_MAXBLOCKSIZE, PROP_INHERIT,
714 	    ZFS_TYPE_FILESYSTEM, "512 to 1M, power of 2", "RECSIZE", B_FALSE,
715 	    sfeatures);
716 	zprop_register_number(ZFS_PROP_SPECIAL_SMALL_BLOCKS,
717 	    "special_small_blocks", 0, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
718 	    "zero or 512 to 1M, power of 2", "SPECIAL_SMALL_BLOCKS", B_FALSE,
719 	    sfeatures);
720 
721 	/* hidden properties */
722 	zprop_register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER,
723 	    PROP_READONLY, ZFS_TYPE_SNAPSHOT, "NUMCLONES", B_FALSE, sfeatures);
724 	zprop_register_hidden(ZFS_PROP_NAME, "name", PROP_TYPE_STRING,
725 	    PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "NAME",
726 	    B_TRUE, sfeatures);
727 	zprop_register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions",
728 	    PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS",
729 	    B_TRUE, sfeatures);
730 	zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu",
731 	    PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME,
732 	    "STMF_SBD_LU", B_TRUE, sfeatures);
733 	zprop_register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting",
734 	    PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET,
735 	    "USERACCOUNTING", B_FALSE, sfeatures);
736 	zprop_register_hidden(ZFS_PROP_UNIQUE, "unique", PROP_TYPE_NUMBER,
737 	    PROP_READONLY, ZFS_TYPE_DATASET, "UNIQUE", B_FALSE, sfeatures);
738 	zprop_register_hidden(ZFS_PROP_INCONSISTENT, "inconsistent",
739 	    PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, "INCONSISTENT",
740 	    B_FALSE, sfeatures);
741 	zprop_register_hidden(ZFS_PROP_IVSET_GUID, "ivsetguid",
742 	    PROP_TYPE_NUMBER, PROP_READONLY,
743 	    ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "IVSETGUID", B_TRUE,
744 	    sfeatures);
745 	zprop_register_hidden(ZFS_PROP_PREV_SNAP, "prevsnap", PROP_TYPE_STRING,
746 	    PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "PREVSNAP",
747 	    B_TRUE, sfeatures);
748 	zprop_register_hidden(ZFS_PROP_PBKDF2_SALT, "pbkdf2salt",
749 	    PROP_TYPE_NUMBER, PROP_ONETIME_DEFAULT,
750 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "PBKDF2SALT", B_FALSE,
751 	    sfeatures);
752 	zprop_register_hidden(ZFS_PROP_KEY_GUID, "keyguid", PROP_TYPE_NUMBER,
753 	    PROP_READONLY, ZFS_TYPE_DATASET, "KEYGUID", B_TRUE, sfeatures);
754 	zprop_register_hidden(ZFS_PROP_REDACTED, "redacted", PROP_TYPE_NUMBER,
755 	    PROP_READONLY, ZFS_TYPE_DATASET, "REDACTED", B_FALSE, sfeatures);
756 
757 	/*
758 	 * Properties that are obsolete and not used.  These are retained so
759 	 * that we don't have to change the values of the zfs_prop_t enum, or
760 	 * have NULL pointers in the zfs_prop_table[].
761 	 */
762 	zprop_register_hidden(ZFS_PROP_REMAPTXG, "remaptxg", PROP_TYPE_NUMBER,
763 	    PROP_READONLY, ZFS_TYPE_DATASET, "REMAPTXG", B_FALSE, sfeatures);
764 
765 	/* oddball properties */
766 	/* 'creation' is a number but displayed as human-readable => flex */
767 	zprop_register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0,
768 	    NULL, PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK,
769 	    "<date>", "CREATION", B_FALSE, B_TRUE, B_TRUE, NULL, sfeatures);
770 
771 	zprop_register_impl(ZFS_PROP_SNAPSHOTS_CHANGED, "snapshots_changed",
772 	    PROP_TYPE_NUMBER, 0, NULL, PROP_READONLY, ZFS_TYPE_FILESYSTEM |
773 	    ZFS_TYPE_VOLUME, "<date>", "SNAPSHOTS_CHANGED", B_FALSE, B_TRUE,
774 	    B_TRUE, NULL, sfeatures);
775 
776 	zprop_register_index(ZFS_PROP_LONGNAME, "longname", 0, PROP_INHERIT,
777 	    ZFS_TYPE_FILESYSTEM, "on | off", "LONGNAME", boolean_table,
778 	    sfeatures);
779 
780 	zfs_mod_list_supported_free(sfeatures);
781 }
782 
783 boolean_t
784 zfs_prop_delegatable(zfs_prop_t prop)
785 {
786 	ASSERT3S(prop, >=, 0);
787 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
788 	zprop_desc_t *pd = &zfs_prop_table[prop];
789 
790 	/* The mlslabel property is never delegatable. */
791 	if (prop == ZFS_PROP_MLSLABEL)
792 		return (B_FALSE);
793 
794 	return (pd->pd_attr != PROP_READONLY);
795 }
796 
797 /*
798  * Given a zfs dataset property name, returns the corresponding property ID.
799  */
800 zfs_prop_t
801 zfs_name_to_prop(const char *propname)
802 {
803 	return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET));
804 }
805 
806 /*
807  * Returns true if this is a valid user-defined property (one with a ':').
808  */
809 boolean_t
810 zfs_prop_user(const char *name)
811 {
812 	int i, len;
813 	char c;
814 	boolean_t foundsep = B_FALSE;
815 
816 	len = strlen(name);
817 	for (i = 0; i < len; i++) {
818 		c = name[i];
819 		if (!zprop_valid_char(c))
820 			return (B_FALSE);
821 		if (c == ':')
822 			foundsep = B_TRUE;
823 	}
824 
825 	if (!foundsep)
826 		return (B_FALSE);
827 
828 	return (B_TRUE);
829 }
830 
831 /*
832  * Returns true if this is a valid userspace-type property (one with a '@').
833  * Note that after the @, any character is valid (eg, another @, for SID
834  * user@domain).
835  */
836 boolean_t
837 zfs_prop_userquota(const char *name)
838 {
839 	zfs_userquota_prop_t prop;
840 
841 	for (prop = 0; prop < ZFS_NUM_USERQUOTA_PROPS; prop++) {
842 		if (strncmp(name, zfs_userquota_prop_prefixes[prop],
843 		    strlen(zfs_userquota_prop_prefixes[prop])) == 0) {
844 			return (B_TRUE);
845 		}
846 	}
847 
848 	return (B_FALSE);
849 }
850 
851 /*
852  * Returns true if this is a valid written@ property.
853  * Note that after the @, any character is valid (eg, another @, for
854  * written@pool/fs@origin).
855  */
856 boolean_t
857 zfs_prop_written(const char *name)
858 {
859 	static const char *prop_prefix = "written@";
860 	static const char *book_prefix = "written#";
861 	return (strncmp(name, prop_prefix, strlen(prop_prefix)) == 0 ||
862 	    strncmp(name, book_prefix, strlen(book_prefix)) == 0);
863 }
864 
865 /*
866  * Tables of index types, plus functions to convert between the user view
867  * (strings) and internal representation (uint64_t).
868  */
869 int
870 zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index)
871 {
872 	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET));
873 }
874 
875 int
876 zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string)
877 {
878 	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET));
879 }
880 
881 uint64_t
882 zfs_prop_random_value(zfs_prop_t prop, uint64_t seed)
883 {
884 	return (zprop_random_value(prop, seed, ZFS_TYPE_DATASET));
885 }
886 
887 /*
888  * Returns TRUE if the property applies to any of the given dataset types.
889  */
890 boolean_t
891 zfs_prop_valid_for_type(int prop, zfs_type_t types, boolean_t headcheck)
892 {
893 	return (zprop_valid_for_type(prop, types, headcheck));
894 }
895 
896 zprop_type_t
897 zfs_prop_get_type(zfs_prop_t prop)
898 {
899 	ASSERT3S(prop, >=, 0);
900 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
901 	return (zfs_prop_table[prop].pd_proptype);
902 }
903 
904 /*
905  * Returns TRUE if the property is readonly.
906  */
907 boolean_t
908 zfs_prop_readonly(zfs_prop_t prop)
909 {
910 	ASSERT3S(prop, >=, 0);
911 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
912 	return (zfs_prop_table[prop].pd_attr == PROP_READONLY ||
913 	    zfs_prop_table[prop].pd_attr == PROP_ONETIME ||
914 	    zfs_prop_table[prop].pd_attr == PROP_ONETIME_DEFAULT);
915 }
916 
917 /*
918  * Returns TRUE if the property is visible (not hidden).
919  */
920 boolean_t
921 zfs_prop_visible(zfs_prop_t prop)
922 {
923 	ASSERT3S(prop, >=, 0);
924 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
925 	return (zfs_prop_table[prop].pd_visible &&
926 	    zfs_prop_table[prop].pd_zfs_mod_supported);
927 }
928 
929 /*
930  * Returns TRUE if the property is only allowed to be set once.
931  */
932 boolean_t
933 zfs_prop_setonce(zfs_prop_t prop)
934 {
935 	ASSERT3S(prop, >=, 0);
936 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
937 	return (zfs_prop_table[prop].pd_attr == PROP_ONETIME ||
938 	    zfs_prop_table[prop].pd_attr == PROP_ONETIME_DEFAULT);
939 }
940 
941 const char *
942 zfs_prop_default_string(zfs_prop_t prop)
943 {
944 	ASSERT3S(prop, >=, 0);
945 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
946 	return (zfs_prop_table[prop].pd_strdefault);
947 }
948 
949 uint64_t
950 zfs_prop_default_numeric(zfs_prop_t prop)
951 {
952 	ASSERT3S(prop, >=, 0);
953 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
954 	return (zfs_prop_table[prop].pd_numdefault);
955 }
956 
957 /*
958  * Given a dataset property ID, returns the corresponding name.
959  * Assuming the zfs dataset property ID is valid.
960  */
961 const char *
962 zfs_prop_to_name(zfs_prop_t prop)
963 {
964 	ASSERT3S(prop, >=, 0);
965 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
966 	return (zfs_prop_table[prop].pd_name);
967 }
968 
969 /*
970  * Returns TRUE if the property is inheritable.
971  */
972 boolean_t
973 zfs_prop_inheritable(zfs_prop_t prop)
974 {
975 	ASSERT3S(prop, >=, 0);
976 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
977 	return (zfs_prop_table[prop].pd_attr == PROP_INHERIT ||
978 	    zfs_prop_table[prop].pd_attr == PROP_ONETIME);
979 }
980 
981 /*
982  * Returns TRUE if property is one of the encryption properties that requires
983  * a loaded encryption key to modify.
984  */
985 boolean_t
986 zfs_prop_encryption_key_param(zfs_prop_t prop)
987 {
988 	/*
989 	 * keylocation does not count as an encryption property. It can be
990 	 * changed at will without needing the master keys.
991 	 */
992 	return (prop == ZFS_PROP_PBKDF2_SALT || prop == ZFS_PROP_PBKDF2_ITERS ||
993 	    prop == ZFS_PROP_KEYFORMAT);
994 }
995 
996 /*
997  * Helper function used by both kernelspace and userspace to check the
998  * keylocation property. If encrypted is set, the keylocation must be valid
999  * for an encrypted dataset.
1000  */
1001 boolean_t
1002 zfs_prop_valid_keylocation(const char *str, boolean_t encrypted)
1003 {
1004 	if (strcmp("none", str) == 0)
1005 		return (!encrypted);
1006 	else if (strcmp("prompt", str) == 0)
1007 		return (B_TRUE);
1008 	else if (strlen(str) > 8 && strncmp("file:///", str, 8) == 0)
1009 		return (B_TRUE);
1010 	else if (strlen(str) > 8 && strncmp("https://", str, 8) == 0)
1011 		return (B_TRUE);
1012 	else if (strlen(str) > 7 && strncmp("http://", str, 7) == 0)
1013 		return (B_TRUE);
1014 
1015 	return (B_FALSE);
1016 }
1017 
1018 
1019 #ifndef _KERNEL
1020 #include <libzfs.h>
1021 
1022 /*
1023  * Returns a string describing the set of acceptable values for the given
1024  * zfs property, or NULL if it cannot be set.
1025  */
1026 const char *
1027 zfs_prop_values(zfs_prop_t prop)
1028 {
1029 	ASSERT3S(prop, >=, 0);
1030 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
1031 	return (zfs_prop_table[prop].pd_values);
1032 }
1033 
1034 /*
1035  * Returns TRUE if this property is a string type.  Note that index types
1036  * (compression, checksum) are treated as strings in userland, even though they
1037  * are stored numerically on disk.
1038  */
1039 int
1040 zfs_prop_is_string(zfs_prop_t prop)
1041 {
1042 	ASSERT3S(prop, >=, 0);
1043 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
1044 	return (zfs_prop_table[prop].pd_proptype == PROP_TYPE_STRING ||
1045 	    zfs_prop_table[prop].pd_proptype == PROP_TYPE_INDEX);
1046 }
1047 
1048 /*
1049  * Returns the column header for the given property.  Used only in
1050  * 'zfs list -o', but centralized here with the other property information.
1051  */
1052 const char *
1053 zfs_prop_column_name(zfs_prop_t prop)
1054 {
1055 	ASSERT3S(prop, >=, 0);
1056 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
1057 	return (zfs_prop_table[prop].pd_colname);
1058 }
1059 
1060 /*
1061  * Returns whether the given property should be displayed right-justified for
1062  * 'zfs list'.
1063  */
1064 boolean_t
1065 zfs_prop_align_right(zfs_prop_t prop)
1066 {
1067 	ASSERT3S(prop, >=, 0);
1068 	ASSERT3S(prop, <, ZFS_NUM_PROPS);
1069 	return (zfs_prop_table[prop].pd_rightalign);
1070 }
1071 
1072 #endif
1073 
1074 #if defined(_KERNEL)
1075 
1076 #if defined(HAVE_KERNEL_FPU_INTERNAL)
1077 uint8_t **zfs_kfpu_fpregs;
1078 EXPORT_SYMBOL(zfs_kfpu_fpregs);
1079 #endif /* defined(HAVE_KERNEL_FPU_INTERNAL) */
1080 
1081 extern int __init zcommon_init(void);
1082 extern void zcommon_fini(void);
1083 
1084 int __init
1085 zcommon_init(void)
1086 {
1087 	int error = kfpu_init();
1088 	if (error)
1089 		return (error);
1090 
1091 	fletcher_4_init();
1092 	simd_stat_init();
1093 
1094 	return (0);
1095 }
1096 
1097 void
1098 zcommon_fini(void)
1099 {
1100 	simd_stat_fini();
1101 	fletcher_4_fini();
1102 	kfpu_fini();
1103 }
1104 
1105 #ifdef __FreeBSD__
1106 module_init_early(zcommon_init);
1107 module_exit(zcommon_fini);
1108 #endif
1109 
1110 #endif
1111 
1112 /* zfs dataset property functions */
1113 EXPORT_SYMBOL(zfs_userquota_prop_prefixes);
1114 EXPORT_SYMBOL(zfs_prop_init);
1115 EXPORT_SYMBOL(zfs_prop_get_type);
1116 EXPORT_SYMBOL(zfs_prop_get_table);
1117 EXPORT_SYMBOL(zfs_prop_delegatable);
1118 EXPORT_SYMBOL(zfs_prop_visible);
1119 
1120 /* Dataset property functions shared between libzfs and kernel. */
1121 EXPORT_SYMBOL(zfs_prop_default_string);
1122 EXPORT_SYMBOL(zfs_prop_default_numeric);
1123 EXPORT_SYMBOL(zfs_prop_readonly);
1124 EXPORT_SYMBOL(zfs_prop_inheritable);
1125 EXPORT_SYMBOL(zfs_prop_encryption_key_param);
1126 EXPORT_SYMBOL(zfs_prop_valid_keylocation);
1127 EXPORT_SYMBOL(zfs_prop_setonce);
1128 EXPORT_SYMBOL(zfs_prop_to_name);
1129 EXPORT_SYMBOL(zfs_name_to_prop);
1130 EXPORT_SYMBOL(zfs_prop_user);
1131 EXPORT_SYMBOL(zfs_prop_userquota);
1132 EXPORT_SYMBOL(zfs_prop_index_to_string);
1133 EXPORT_SYMBOL(zfs_prop_string_to_index);
1134 EXPORT_SYMBOL(zfs_prop_valid_for_type);
1135 EXPORT_SYMBOL(zfs_prop_written);
1136