xref: /freebsd/sys/contrib/openzfs/module/zcommon/zpool_prop.c (revision 7c43148a974877188a930e4078a164f83da8e652)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or https://opensource.org/licenses/CDDL-1.0.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24  * Copyright (c) 2012, 2018 by Delphix. All rights reserved.
25  * Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
26  * Copyright (c) 2021, Klara Inc.
27  */
28 
29 #include <sys/zio.h>
30 #include <sys/spa.h>
31 #include <sys/zfs_acl.h>
32 #include <sys/zfs_ioctl.h>
33 #include <sys/fs/zfs.h>
34 
35 #include "zfs_prop.h"
36 
37 #if !defined(_KERNEL)
38 #include <stdlib.h>
39 #include <string.h>
40 #include <ctype.h>
41 #endif
42 
43 static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS];
44 static zprop_desc_t vdev_prop_table[VDEV_NUM_PROPS];
45 
46 zprop_desc_t *
47 zpool_prop_get_table(void)
48 {
49 	return (zpool_prop_table);
50 }
51 
52 void
53 zpool_prop_init(void)
54 {
55 	static const zprop_index_t boolean_table[] = {
56 		{ "off",	0},
57 		{ "on",		1},
58 		{ NULL }
59 	};
60 
61 	static const zprop_index_t failuremode_table[] = {
62 		{ "wait",	ZIO_FAILURE_MODE_WAIT },
63 		{ "continue",	ZIO_FAILURE_MODE_CONTINUE },
64 		{ "panic",	ZIO_FAILURE_MODE_PANIC },
65 		{ NULL }
66 	};
67 
68 	struct zfs_mod_supported_features *sfeatures =
69 	    zfs_mod_list_supported(ZFS_SYSFS_POOL_PROPERTIES);
70 
71 	/* string properties */
72 	zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
73 	    ZFS_TYPE_POOL, "<path>", "ALTROOT", sfeatures);
74 	zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
75 	    ZFS_TYPE_POOL, "<filesystem>", "BOOTFS", sfeatures);
76 	zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL,
77 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE",
78 	    sfeatures);
79 	zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL,
80 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<comment-string>", "COMMENT",
81 	    sfeatures);
82 	zprop_register_string(ZPOOL_PROP_COMPATIBILITY, "compatibility",
83 	    "off", PROP_DEFAULT, ZFS_TYPE_POOL,
84 	    "<file[,file...]> | off | legacy", "COMPATIBILITY", sfeatures);
85 
86 	/* readonly number properties */
87 	zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
88 	    ZFS_TYPE_POOL, "<size>", "SIZE", B_FALSE, sfeatures);
89 	zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
90 	    ZFS_TYPE_POOL, "<size>", "FREE", B_FALSE, sfeatures);
91 	zprop_register_number(ZPOOL_PROP_FREEING, "freeing", 0, PROP_READONLY,
92 	    ZFS_TYPE_POOL, "<size>", "FREEING", B_FALSE, sfeatures);
93 	zprop_register_number(ZPOOL_PROP_CHECKPOINT, "checkpoint", 0,
94 	    PROP_READONLY, ZFS_TYPE_POOL, "<size>", "CKPOINT", B_FALSE,
95 	    sfeatures);
96 	zprop_register_number(ZPOOL_PROP_LEAKED, "leaked", 0, PROP_READONLY,
97 	    ZFS_TYPE_POOL, "<size>", "LEAKED", B_FALSE, sfeatures);
98 	zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
99 	    PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC", B_FALSE,
100 	    sfeatures);
101 	zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0,
102 	    PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ", B_FALSE,
103 	    sfeatures);
104 	zprop_register_number(ZPOOL_PROP_FRAGMENTATION, "fragmentation", 0,
105 	    PROP_READONLY, ZFS_TYPE_POOL, "<percent>", "FRAG", B_FALSE,
106 	    sfeatures);
107 	zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
108 	    ZFS_TYPE_POOL, "<size>", "CAP", B_FALSE, sfeatures);
109 	zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
110 	    ZFS_TYPE_POOL, "<guid>", "GUID", B_TRUE, sfeatures);
111 	zprop_register_number(ZPOOL_PROP_LOAD_GUID, "load_guid", 0,
112 	    PROP_READONLY, ZFS_TYPE_POOL, "<load_guid>", "LOAD_GUID",
113 	    B_TRUE, sfeatures);
114 	zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
115 	    ZFS_TYPE_POOL, "<state>", "HEALTH", B_FALSE, sfeatures);
116 	zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
117 	    PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
118 	    "DEDUP", B_FALSE, sfeatures);
119 	zprop_register_number(ZPOOL_PROP_BCLONEUSED, "bcloneused", 0,
120 	    PROP_READONLY, ZFS_TYPE_POOL, "<size>",
121 	    "BCLONE_USED", B_FALSE, sfeatures);
122 	zprop_register_number(ZPOOL_PROP_BCLONESAVED, "bclonesaved", 0,
123 	    PROP_READONLY, ZFS_TYPE_POOL, "<size>",
124 	    "BCLONE_SAVED", B_FALSE, sfeatures);
125 	zprop_register_number(ZPOOL_PROP_BCLONERATIO, "bcloneratio", 0,
126 	    PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if cloned>",
127 	    "BCLONE_RATIO", B_FALSE, sfeatures);
128 
129 	/* default number properties */
130 	zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
131 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION", B_FALSE,
132 	    sfeatures);
133 	zprop_register_number(ZPOOL_PROP_ASHIFT, "ashift", 0, PROP_DEFAULT,
134 	    ZFS_TYPE_POOL, "<ashift, 9-16, or 0=default>", "ASHIFT", B_FALSE,
135 	    sfeatures);
136 
137 	/* default index (boolean) properties */
138 	zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
139 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
140 	    boolean_table, sfeatures);
141 	zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
142 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table,
143 	    sfeatures);
144 	zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
145 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
146 	    boolean_table, sfeatures);
147 	zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
148 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table,
149 	    sfeatures);
150 	zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
151 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table,
152 	    sfeatures);
153 	zprop_register_index(ZPOOL_PROP_MULTIHOST, "multihost", 0,
154 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "MULTIHOST",
155 	    boolean_table, sfeatures);
156 
157 	/* default index properties */
158 	zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
159 	    ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
160 	    "wait | continue | panic", "FAILMODE", failuremode_table,
161 	    sfeatures);
162 	zprop_register_index(ZPOOL_PROP_AUTOTRIM, "autotrim",
163 	    SPA_AUTOTRIM_OFF, PROP_DEFAULT, ZFS_TYPE_POOL,
164 	    "on | off", "AUTOTRIM", boolean_table, sfeatures);
165 
166 	/* hidden properties */
167 	zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
168 	    PROP_READONLY, ZFS_TYPE_POOL, "NAME", B_TRUE, sfeatures);
169 	zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize",
170 	    PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE",
171 	    B_FALSE, sfeatures);
172 	zprop_register_hidden(ZPOOL_PROP_TNAME, "tname", PROP_TYPE_STRING,
173 	    PROP_ONETIME, ZFS_TYPE_POOL, "TNAME", B_TRUE, sfeatures);
174 	zprop_register_hidden(ZPOOL_PROP_MAXDNODESIZE, "maxdnodesize",
175 	    PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXDNODESIZE",
176 	    B_FALSE, sfeatures);
177 	zprop_register_hidden(ZPOOL_PROP_DEDUPDITTO, "dedupditto",
178 	    PROP_TYPE_NUMBER, PROP_DEFAULT, ZFS_TYPE_POOL, "DEDUPDITTO",
179 	    B_FALSE, sfeatures);
180 
181 	zfs_mod_list_supported_free(sfeatures);
182 }
183 
184 /*
185  * Given a property name and its type, returns the corresponding property ID.
186  */
187 zpool_prop_t
188 zpool_name_to_prop(const char *propname)
189 {
190 	return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
191 }
192 
193 /*
194  * Given a pool property ID, returns the corresponding name.
195  * Assuming the pool property ID is valid.
196  */
197 const char *
198 zpool_prop_to_name(zpool_prop_t prop)
199 {
200 	return (zpool_prop_table[prop].pd_name);
201 }
202 
203 zprop_type_t
204 zpool_prop_get_type(zpool_prop_t prop)
205 {
206 	return (zpool_prop_table[prop].pd_proptype);
207 }
208 
209 boolean_t
210 zpool_prop_readonly(zpool_prop_t prop)
211 {
212 	return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
213 }
214 
215 boolean_t
216 zpool_prop_setonce(zpool_prop_t prop)
217 {
218 	return (zpool_prop_table[prop].pd_attr == PROP_ONETIME);
219 }
220 
221 const char *
222 zpool_prop_default_string(zpool_prop_t prop)
223 {
224 	return (zpool_prop_table[prop].pd_strdefault);
225 }
226 
227 uint64_t
228 zpool_prop_default_numeric(zpool_prop_t prop)
229 {
230 	return (zpool_prop_table[prop].pd_numdefault);
231 }
232 
233 /*
234  * Returns true if this is a valid feature@ property.
235  */
236 boolean_t
237 zpool_prop_feature(const char *name)
238 {
239 	static const char *prefix = "feature@";
240 	return (strncmp(name, prefix, strlen(prefix)) == 0);
241 }
242 
243 /*
244  * Returns true if this is a valid unsupported@ property.
245  */
246 boolean_t
247 zpool_prop_unsupported(const char *name)
248 {
249 	static const char *prefix = "unsupported@";
250 	return (strncmp(name, prefix, strlen(prefix)) == 0);
251 }
252 
253 int
254 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
255     uint64_t *index)
256 {
257 	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
258 }
259 
260 int
261 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
262     const char **string)
263 {
264 	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
265 }
266 
267 uint64_t
268 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
269 {
270 	return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
271 }
272 
273 #ifndef _KERNEL
274 #include <libzfs.h>
275 
276 const char *
277 zpool_prop_values(zpool_prop_t prop)
278 {
279 	return (zpool_prop_table[prop].pd_values);
280 }
281 
282 const char *
283 zpool_prop_column_name(zpool_prop_t prop)
284 {
285 	return (zpool_prop_table[prop].pd_colname);
286 }
287 
288 boolean_t
289 zpool_prop_align_right(zpool_prop_t prop)
290 {
291 	return (zpool_prop_table[prop].pd_rightalign);
292 }
293 #endif
294 
295 zprop_desc_t *
296 vdev_prop_get_table(void)
297 {
298 	return (vdev_prop_table);
299 }
300 
301 void
302 vdev_prop_init(void)
303 {
304 	static const zprop_index_t boolean_table[] = {
305 		{ "off",	0},
306 		{ "on",		1},
307 		{ NULL }
308 	};
309 	static const zprop_index_t boolean_na_table[] = {
310 		{ "off",	0},
311 		{ "on",		1},
312 		{ "-",		2},	/* ZPROP_BOOLEAN_NA */
313 		{ NULL }
314 	};
315 
316 	struct zfs_mod_supported_features *sfeatures =
317 	    zfs_mod_list_supported(ZFS_SYSFS_VDEV_PROPERTIES);
318 
319 	/* string properties */
320 	zprop_register_string(VDEV_PROP_COMMENT, "comment", NULL,
321 	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<comment-string>", "COMMENT",
322 	    sfeatures);
323 	zprop_register_string(VDEV_PROP_PATH, "path", NULL,
324 	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<device-path>", "PATH", sfeatures);
325 	zprop_register_string(VDEV_PROP_DEVID, "devid", NULL,
326 	    PROP_READONLY, ZFS_TYPE_VDEV, "<devid>", "DEVID", sfeatures);
327 	zprop_register_string(VDEV_PROP_PHYS_PATH, "physpath", NULL,
328 	    PROP_READONLY, ZFS_TYPE_VDEV, "<physpath>", "PHYSPATH", sfeatures);
329 	zprop_register_string(VDEV_PROP_ENC_PATH, "encpath", NULL,
330 	    PROP_READONLY, ZFS_TYPE_VDEV, "<encpath>", "ENCPATH", sfeatures);
331 	zprop_register_string(VDEV_PROP_FRU, "fru", NULL,
332 	    PROP_READONLY, ZFS_TYPE_VDEV, "<fru>", "FRU", sfeatures);
333 	zprop_register_string(VDEV_PROP_PARENT, "parent", NULL,
334 	    PROP_READONLY, ZFS_TYPE_VDEV, "<parent>", "PARENT", sfeatures);
335 	zprop_register_string(VDEV_PROP_CHILDREN, "children", NULL,
336 	    PROP_READONLY, ZFS_TYPE_VDEV, "<child[,...]>", "CHILDREN",
337 	    sfeatures);
338 
339 	/* readonly number properties */
340 	zprop_register_number(VDEV_PROP_SIZE, "size", 0, PROP_READONLY,
341 	    ZFS_TYPE_VDEV, "<size>", "SIZE", B_FALSE, sfeatures);
342 	zprop_register_number(VDEV_PROP_FREE, "free", 0, PROP_READONLY,
343 	    ZFS_TYPE_VDEV, "<size>", "FREE", B_FALSE, sfeatures);
344 	zprop_register_number(VDEV_PROP_ALLOCATED, "allocated", 0,
345 	    PROP_READONLY, ZFS_TYPE_VDEV, "<size>", "ALLOC", B_FALSE,
346 	    sfeatures);
347 	zprop_register_number(VDEV_PROP_EXPANDSZ, "expandsize", 0,
348 	    PROP_READONLY, ZFS_TYPE_VDEV, "<size>", "EXPANDSZ", B_FALSE,
349 	    sfeatures);
350 	zprop_register_number(VDEV_PROP_FRAGMENTATION, "fragmentation", 0,
351 	    PROP_READONLY, ZFS_TYPE_VDEV, "<percent>", "FRAG", B_FALSE,
352 	    sfeatures);
353 	zprop_register_number(VDEV_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
354 	    ZFS_TYPE_VDEV, "<size>", "CAP", B_FALSE, sfeatures);
355 	zprop_register_number(VDEV_PROP_GUID, "guid", 0, PROP_READONLY,
356 	    ZFS_TYPE_VDEV, "<guid>", "GUID", B_TRUE, sfeatures);
357 	zprop_register_number(VDEV_PROP_STATE, "state", 0, PROP_READONLY,
358 	    ZFS_TYPE_VDEV, "<state>", "STATE", B_FALSE, sfeatures);
359 	zprop_register_number(VDEV_PROP_BOOTSIZE, "bootsize", 0, PROP_READONLY,
360 	    ZFS_TYPE_VDEV, "<size>", "BOOTSIZE", B_FALSE, sfeatures);
361 	zprop_register_number(VDEV_PROP_ASIZE, "asize", 0, PROP_READONLY,
362 	    ZFS_TYPE_VDEV, "<asize>", "ASIZE", B_FALSE, sfeatures);
363 	zprop_register_number(VDEV_PROP_PSIZE, "psize", 0, PROP_READONLY,
364 	    ZFS_TYPE_VDEV, "<psize>", "PSIZE", B_FALSE, sfeatures);
365 	zprop_register_number(VDEV_PROP_ASHIFT, "ashift", 0, PROP_READONLY,
366 	    ZFS_TYPE_VDEV, "<ashift>", "ASHIFT", B_FALSE, sfeatures);
367 	zprop_register_number(VDEV_PROP_PARITY, "parity", 0, PROP_READONLY,
368 	    ZFS_TYPE_VDEV, "<parity>", "PARITY", B_FALSE, sfeatures);
369 	zprop_register_number(VDEV_PROP_NUMCHILDREN, "numchildren", 0,
370 	    PROP_READONLY, ZFS_TYPE_VDEV, "<number-of-children>", "NUMCHILD",
371 	    B_FALSE, sfeatures);
372 	zprop_register_number(VDEV_PROP_READ_ERRORS, "read_errors", 0,
373 	    PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "RDERR", B_FALSE,
374 	    sfeatures);
375 	zprop_register_number(VDEV_PROP_WRITE_ERRORS, "write_errors", 0,
376 	    PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "WRERR", B_FALSE,
377 	    sfeatures);
378 	zprop_register_number(VDEV_PROP_CHECKSUM_ERRORS, "checksum_errors", 0,
379 	    PROP_READONLY, ZFS_TYPE_VDEV, "<errors>", "CKERR", B_FALSE,
380 	    sfeatures);
381 	zprop_register_number(VDEV_PROP_INITIALIZE_ERRORS,
382 	    "initialize_errors", 0, PROP_READONLY, ZFS_TYPE_VDEV, "<errors>",
383 	    "INITERR", B_FALSE, sfeatures);
384 	zprop_register_number(VDEV_PROP_OPS_NULL, "null_ops", 0,
385 	    PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "NULLOP", B_FALSE,
386 	    sfeatures);
387 	zprop_register_number(VDEV_PROP_OPS_READ, "read_ops", 0,
388 	    PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "READOP", B_FALSE,
389 	    sfeatures);
390 	zprop_register_number(VDEV_PROP_OPS_WRITE, "write_ops", 0,
391 	    PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "WRITEOP", B_FALSE,
392 	    sfeatures);
393 	zprop_register_number(VDEV_PROP_OPS_FREE, "free_ops", 0,
394 	    PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "FREEOP", B_FALSE,
395 	    sfeatures);
396 	zprop_register_number(VDEV_PROP_OPS_CLAIM, "claim_ops", 0,
397 	    PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "CLAIMOP", B_FALSE,
398 	    sfeatures);
399 	zprop_register_number(VDEV_PROP_OPS_TRIM, "trim_ops", 0,
400 	    PROP_READONLY, ZFS_TYPE_VDEV, "<operations>", "TRIMOP", B_FALSE,
401 	    sfeatures);
402 	zprop_register_number(VDEV_PROP_BYTES_NULL, "null_bytes", 0,
403 	    PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "NULLBYTE", B_FALSE,
404 	    sfeatures);
405 	zprop_register_number(VDEV_PROP_BYTES_READ, "read_bytes", 0,
406 	    PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "READBYTE", B_FALSE,
407 	    sfeatures);
408 	zprop_register_number(VDEV_PROP_BYTES_WRITE, "write_bytes", 0,
409 	    PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "WRITEBYTE", B_FALSE,
410 	    sfeatures);
411 	zprop_register_number(VDEV_PROP_BYTES_FREE, "free_bytes", 0,
412 	    PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "FREEBYTE", B_FALSE,
413 	    sfeatures);
414 	zprop_register_number(VDEV_PROP_BYTES_CLAIM, "claim_bytes", 0,
415 	    PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "CLAIMBYTE", B_FALSE,
416 	    sfeatures);
417 	zprop_register_number(VDEV_PROP_BYTES_TRIM, "trim_bytes", 0,
418 	    PROP_READONLY, ZFS_TYPE_VDEV, "<bytes>", "TRIMBYTE", B_FALSE,
419 	    sfeatures);
420 
421 	/* default numeric properties */
422 	zprop_register_number(VDEV_PROP_CHECKSUM_N, "checksum_n", UINT64_MAX,
423 	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "CKSUM_N", B_FALSE,
424 	    sfeatures);
425 	zprop_register_number(VDEV_PROP_CHECKSUM_T, "checksum_t", UINT64_MAX,
426 	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "CKSUM_T", B_FALSE,
427 	    sfeatures);
428 	zprop_register_number(VDEV_PROP_IO_N, "io_n", UINT64_MAX,
429 	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "IO_N", B_FALSE,
430 	    sfeatures);
431 	zprop_register_number(VDEV_PROP_IO_T, "io_t", UINT64_MAX,
432 	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "IO_T", B_FALSE,
433 	    sfeatures);
434 
435 	/* default index (boolean) properties */
436 	zprop_register_index(VDEV_PROP_REMOVING, "removing", 0,
437 	    PROP_READONLY, ZFS_TYPE_VDEV, "on | off", "REMOVING",
438 	    boolean_table, sfeatures);
439 	zprop_register_index(VDEV_PROP_ALLOCATING, "allocating", 1,
440 	    PROP_DEFAULT, ZFS_TYPE_VDEV, "on | off", "ALLOCATING",
441 	    boolean_na_table, sfeatures);
442 	zprop_register_index(VDEV_PROP_RAIDZ_EXPANDING, "raidz_expanding", 0,
443 	    PROP_READONLY, ZFS_TYPE_VDEV, "on | off", "RAIDZ_EXPANDING",
444 	    boolean_table, sfeatures);
445 
446 	/* default index properties */
447 	zprop_register_index(VDEV_PROP_FAILFAST, "failfast", B_TRUE,
448 	    PROP_DEFAULT, ZFS_TYPE_VDEV, "on | off", "FAILFAST", boolean_table,
449 	    sfeatures);
450 
451 	/* hidden properties */
452 	zprop_register_hidden(VDEV_PROP_NAME, "name", PROP_TYPE_STRING,
453 	    PROP_READONLY, ZFS_TYPE_VDEV, "NAME", B_TRUE, sfeatures);
454 
455 	zfs_mod_list_supported_free(sfeatures);
456 }
457 
458 /*
459  * Given a property name and its type, returns the corresponding property ID.
460  */
461 vdev_prop_t
462 vdev_name_to_prop(const char *propname)
463 {
464 	return (zprop_name_to_prop(propname, ZFS_TYPE_VDEV));
465 }
466 
467 /*
468  * Returns true if this is a valid user-defined property (one with a ':').
469  */
470 boolean_t
471 vdev_prop_user(const char *name)
472 {
473 	int i;
474 	char c;
475 	boolean_t foundsep = B_FALSE;
476 
477 	for (i = 0; i < strlen(name); i++) {
478 		c = name[i];
479 		if (!zprop_valid_char(c))
480 			return (B_FALSE);
481 		if (c == ':')
482 			foundsep = B_TRUE;
483 	}
484 
485 	return (foundsep);
486 }
487 
488 /*
489  * Given a pool property ID, returns the corresponding name.
490  * Assuming the pool property ID is valid.
491  */
492 const char *
493 vdev_prop_to_name(vdev_prop_t prop)
494 {
495 	return (vdev_prop_table[prop].pd_name);
496 }
497 
498 zprop_type_t
499 vdev_prop_get_type(vdev_prop_t prop)
500 {
501 	return (vdev_prop_table[prop].pd_proptype);
502 }
503 
504 boolean_t
505 vdev_prop_readonly(vdev_prop_t prop)
506 {
507 	return (vdev_prop_table[prop].pd_attr == PROP_READONLY);
508 }
509 
510 const char *
511 vdev_prop_default_string(vdev_prop_t prop)
512 {
513 	return (vdev_prop_table[prop].pd_strdefault);
514 }
515 
516 uint64_t
517 vdev_prop_default_numeric(vdev_prop_t prop)
518 {
519 	return (vdev_prop_table[prop].pd_numdefault);
520 }
521 
522 int
523 vdev_prop_string_to_index(vdev_prop_t prop, const char *string,
524     uint64_t *index)
525 {
526 	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_VDEV));
527 }
528 
529 int
530 vdev_prop_index_to_string(vdev_prop_t prop, uint64_t index,
531     const char **string)
532 {
533 	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_VDEV));
534 }
535 
536 /*
537  * Returns true if this is a valid vdev property.
538  */
539 boolean_t
540 zpool_prop_vdev(const char *name)
541 {
542 	return (vdev_name_to_prop(name) != VDEV_PROP_INVAL);
543 }
544 
545 uint64_t
546 vdev_prop_random_value(vdev_prop_t prop, uint64_t seed)
547 {
548 	return (zprop_random_value(prop, seed, ZFS_TYPE_VDEV));
549 }
550 
551 #ifndef _KERNEL
552 const char *
553 vdev_prop_values(vdev_prop_t prop)
554 {
555 	return (vdev_prop_table[prop].pd_values);
556 }
557 
558 const char *
559 vdev_prop_column_name(vdev_prop_t prop)
560 {
561 	return (vdev_prop_table[prop].pd_colname);
562 }
563 
564 boolean_t
565 vdev_prop_align_right(vdev_prop_t prop)
566 {
567 	return (vdev_prop_table[prop].pd_rightalign);
568 }
569 #endif
570 
571 #if defined(_KERNEL)
572 /* zpool property functions */
573 EXPORT_SYMBOL(zpool_prop_init);
574 EXPORT_SYMBOL(zpool_prop_get_type);
575 EXPORT_SYMBOL(zpool_prop_get_table);
576 
577 /* vdev property functions */
578 EXPORT_SYMBOL(vdev_prop_init);
579 EXPORT_SYMBOL(vdev_prop_get_type);
580 EXPORT_SYMBOL(vdev_prop_get_table);
581 
582 /* Pool property functions shared between libzfs and kernel. */
583 EXPORT_SYMBOL(zpool_name_to_prop);
584 EXPORT_SYMBOL(zpool_prop_to_name);
585 EXPORT_SYMBOL(zpool_prop_default_string);
586 EXPORT_SYMBOL(zpool_prop_default_numeric);
587 EXPORT_SYMBOL(zpool_prop_readonly);
588 EXPORT_SYMBOL(zpool_prop_feature);
589 EXPORT_SYMBOL(zpool_prop_unsupported);
590 EXPORT_SYMBOL(zpool_prop_index_to_string);
591 EXPORT_SYMBOL(zpool_prop_string_to_index);
592 EXPORT_SYMBOL(zpool_prop_vdev);
593 
594 /* vdev property functions shared between libzfs and kernel. */
595 EXPORT_SYMBOL(vdev_name_to_prop);
596 EXPORT_SYMBOL(vdev_prop_user);
597 EXPORT_SYMBOL(vdev_prop_to_name);
598 EXPORT_SYMBOL(vdev_prop_default_string);
599 EXPORT_SYMBOL(vdev_prop_default_numeric);
600 EXPORT_SYMBOL(vdev_prop_readonly);
601 EXPORT_SYMBOL(vdev_prop_index_to_string);
602 EXPORT_SYMBOL(vdev_prop_string_to_index);
603 #endif
604