]>
Commit | Line | Data |
---|---|---|
34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
22 | * Copyright 2008 Sun Microsystems, Inc. All rights reserved. | |
23 | * Use is subject to license terms. | |
24 | */ | |
25 | ||
34dc7c2f BB |
26 | #include <sys/zio.h> |
27 | #include <sys/spa.h> | |
28 | #include <sys/u8_textprep.h> | |
29 | #include <sys/zfs_acl.h> | |
30 | #include <sys/zfs_ioctl.h> | |
31 | #include <sys/zfs_znode.h> | |
32 | ||
33 | #include "zfs_prop.h" | |
34 | #include "zfs_deleg.h" | |
35 | ||
36 | #if defined(_KERNEL) | |
37 | #include <sys/systm.h> | |
38 | #else | |
39 | #include <stdlib.h> | |
40 | #include <string.h> | |
41 | #include <ctype.h> | |
42 | #endif | |
43 | ||
44 | static zprop_desc_t zfs_prop_table[ZFS_NUM_PROPS]; | |
45 | ||
46 | zprop_desc_t * | |
47 | zfs_prop_get_table(void) | |
48 | { | |
49 | return (zfs_prop_table); | |
50 | } | |
51 | ||
52 | void | |
53 | zfs_prop_init(void) | |
54 | { | |
55 | static zprop_index_t checksum_table[] = { | |
56 | { "on", ZIO_CHECKSUM_ON }, | |
57 | { "off", ZIO_CHECKSUM_OFF }, | |
58 | { "fletcher2", ZIO_CHECKSUM_FLETCHER_2 }, | |
59 | { "fletcher4", ZIO_CHECKSUM_FLETCHER_4 }, | |
60 | { "sha256", ZIO_CHECKSUM_SHA256 }, | |
61 | { NULL } | |
62 | }; | |
63 | ||
64 | static zprop_index_t compress_table[] = { | |
65 | { "on", ZIO_COMPRESS_ON }, | |
66 | { "off", ZIO_COMPRESS_OFF }, | |
67 | { "lzjb", ZIO_COMPRESS_LZJB }, | |
68 | { "gzip", ZIO_COMPRESS_GZIP_6 }, /* gzip default */ | |
69 | { "gzip-1", ZIO_COMPRESS_GZIP_1 }, | |
70 | { "gzip-2", ZIO_COMPRESS_GZIP_2 }, | |
71 | { "gzip-3", ZIO_COMPRESS_GZIP_3 }, | |
72 | { "gzip-4", ZIO_COMPRESS_GZIP_4 }, | |
73 | { "gzip-5", ZIO_COMPRESS_GZIP_5 }, | |
74 | { "gzip-6", ZIO_COMPRESS_GZIP_6 }, | |
75 | { "gzip-7", ZIO_COMPRESS_GZIP_7 }, | |
76 | { "gzip-8", ZIO_COMPRESS_GZIP_8 }, | |
77 | { "gzip-9", ZIO_COMPRESS_GZIP_9 }, | |
78 | { NULL } | |
79 | }; | |
80 | ||
81 | static zprop_index_t snapdir_table[] = { | |
82 | { "hidden", ZFS_SNAPDIR_HIDDEN }, | |
83 | { "visible", ZFS_SNAPDIR_VISIBLE }, | |
84 | { NULL } | |
85 | }; | |
86 | ||
87 | static zprop_index_t acl_mode_table[] = { | |
88 | { "discard", ZFS_ACL_DISCARD }, | |
89 | { "groupmask", ZFS_ACL_GROUPMASK }, | |
90 | { "passthrough", ZFS_ACL_PASSTHROUGH }, | |
91 | { NULL } | |
92 | }; | |
93 | ||
94 | static zprop_index_t acl_inherit_table[] = { | |
95 | { "discard", ZFS_ACL_DISCARD }, | |
96 | { "noallow", ZFS_ACL_NOALLOW }, | |
97 | { "restricted", ZFS_ACL_RESTRICTED }, | |
98 | { "passthrough", ZFS_ACL_PASSTHROUGH }, | |
99 | { "secure", ZFS_ACL_RESTRICTED }, /* bkwrd compatability */ | |
b128c09f | 100 | { "passthrough-x", ZFS_ACL_PASSTHROUGH_X }, |
34dc7c2f BB |
101 | { NULL } |
102 | }; | |
103 | ||
104 | static zprop_index_t case_table[] = { | |
105 | { "sensitive", ZFS_CASE_SENSITIVE }, | |
106 | { "insensitive", ZFS_CASE_INSENSITIVE }, | |
107 | { "mixed", ZFS_CASE_MIXED }, | |
108 | { NULL } | |
109 | }; | |
110 | ||
111 | static zprop_index_t copies_table[] = { | |
112 | { "1", 1 }, | |
113 | { "2", 2 }, | |
114 | { "3", 3 }, | |
115 | { NULL } | |
116 | }; | |
117 | ||
118 | /* | |
119 | * Use the unique flags we have to send to u8_strcmp() and/or | |
120 | * u8_textprep() to represent the various normalization property | |
121 | * values. | |
122 | */ | |
123 | static zprop_index_t normalize_table[] = { | |
124 | { "none", 0 }, | |
125 | { "formD", U8_TEXTPREP_NFD }, | |
126 | { "formKC", U8_TEXTPREP_NFKC }, | |
127 | { "formC", U8_TEXTPREP_NFC }, | |
128 | { "formKD", U8_TEXTPREP_NFKD }, | |
129 | { NULL } | |
130 | }; | |
131 | ||
132 | static zprop_index_t version_table[] = { | |
133 | { "1", 1 }, | |
134 | { "2", 2 }, | |
135 | { "3", 3 }, | |
136 | { "current", ZPL_VERSION }, | |
137 | { NULL } | |
138 | }; | |
139 | ||
140 | static zprop_index_t boolean_table[] = { | |
141 | { "off", 0 }, | |
142 | { "on", 1 }, | |
143 | { NULL } | |
144 | }; | |
145 | ||
146 | static zprop_index_t canmount_table[] = { | |
147 | { "off", ZFS_CANMOUNT_OFF }, | |
148 | { "on", ZFS_CANMOUNT_ON }, | |
149 | { "noauto", ZFS_CANMOUNT_NOAUTO }, | |
150 | { NULL } | |
151 | }; | |
152 | ||
b128c09f BB |
153 | static zprop_index_t cache_table[] = { |
154 | { "none", ZFS_CACHE_NONE }, | |
155 | { "metadata", ZFS_CACHE_METADATA }, | |
156 | { "all", ZFS_CACHE_ALL }, | |
157 | { NULL } | |
158 | }; | |
159 | ||
34dc7c2f BB |
160 | /* inherit index properties */ |
161 | register_index(ZFS_PROP_CHECKSUM, "checksum", ZIO_CHECKSUM_DEFAULT, | |
162 | PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, | |
163 | "on | off | fletcher2 | fletcher4 | sha256", "CHECKSUM", | |
164 | checksum_table); | |
165 | register_index(ZFS_PROP_COMPRESSION, "compression", | |
166 | ZIO_COMPRESS_DEFAULT, PROP_INHERIT, | |
167 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, | |
168 | "on | off | lzjb | gzip | gzip-[1-9]", "COMPRESS", compress_table); | |
169 | register_index(ZFS_PROP_SNAPDIR, "snapdir", ZFS_SNAPDIR_HIDDEN, | |
170 | PROP_INHERIT, ZFS_TYPE_FILESYSTEM, | |
171 | "hidden | visible", "SNAPDIR", snapdir_table); | |
172 | register_index(ZFS_PROP_ACLMODE, "aclmode", ZFS_ACL_GROUPMASK, | |
173 | PROP_INHERIT, ZFS_TYPE_FILESYSTEM, | |
174 | "discard | groupmask | passthrough", "ACLMODE", acl_mode_table); | |
175 | register_index(ZFS_PROP_ACLINHERIT, "aclinherit", ZFS_ACL_RESTRICTED, | |
176 | PROP_INHERIT, ZFS_TYPE_FILESYSTEM, | |
b128c09f | 177 | "discard | noallow | restricted | passthrough | passthrough-x", |
34dc7c2f BB |
178 | "ACLINHERIT", acl_inherit_table); |
179 | register_index(ZFS_PROP_COPIES, "copies", 1, | |
180 | PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, | |
181 | "1 | 2 | 3", "COPIES", copies_table); | |
b128c09f BB |
182 | register_index(ZFS_PROP_PRIMARYCACHE, "primarycache", |
183 | ZFS_CACHE_ALL, PROP_INHERIT, | |
184 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, | |
185 | "all | none | metadata", "PRIMARYCACHE", cache_table); | |
186 | register_index(ZFS_PROP_SECONDARYCACHE, "secondarycache", | |
187 | ZFS_CACHE_ALL, PROP_INHERIT, | |
188 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME, | |
189 | "all | none | metadata", "SECONDARYCACHE", cache_table); | |
34dc7c2f BB |
190 | |
191 | /* inherit index (boolean) properties */ | |
192 | register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT, | |
193 | ZFS_TYPE_FILESYSTEM, "on | off", "ATIME", boolean_table); | |
194 | register_index(ZFS_PROP_DEVICES, "devices", 1, PROP_INHERIT, | |
195 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "DEVICES", | |
196 | boolean_table); | |
197 | register_index(ZFS_PROP_EXEC, "exec", 1, PROP_INHERIT, | |
198 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "EXEC", | |
199 | boolean_table); | |
200 | register_index(ZFS_PROP_SETUID, "setuid", 1, PROP_INHERIT, | |
201 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "SETUID", | |
202 | boolean_table); | |
203 | register_index(ZFS_PROP_READONLY, "readonly", 0, PROP_INHERIT, | |
204 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "on | off", "RDONLY", | |
205 | boolean_table); | |
206 | register_index(ZFS_PROP_ZONED, "zoned", 0, PROP_INHERIT, | |
207 | ZFS_TYPE_FILESYSTEM, "on | off", "ZONED", boolean_table); | |
208 | register_index(ZFS_PROP_XATTR, "xattr", 1, PROP_INHERIT, | |
209 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "XATTR", | |
210 | boolean_table); | |
211 | register_index(ZFS_PROP_VSCAN, "vscan", 0, PROP_INHERIT, | |
212 | ZFS_TYPE_FILESYSTEM, "on | off", "VSCAN", | |
213 | boolean_table); | |
214 | register_index(ZFS_PROP_NBMAND, "nbmand", 0, PROP_INHERIT, | |
215 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "NBMAND", | |
216 | boolean_table); | |
217 | ||
218 | /* default index properties */ | |
219 | register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT, | |
220 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, | |
221 | "1 | 2 | 3 | current", "VERSION", version_table); | |
222 | register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON, | |
223 | PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto", | |
224 | "CANMOUNT", canmount_table); | |
225 | ||
226 | /* readonly index (boolean) properties */ | |
227 | register_index(ZFS_PROP_MOUNTED, "mounted", 0, PROP_READONLY, | |
228 | ZFS_TYPE_FILESYSTEM, "yes | no", "MOUNTED", boolean_table); | |
229 | ||
230 | /* set once index properties */ | |
231 | register_index(ZFS_PROP_NORMALIZE, "normalization", 0, | |
232 | PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, | |
233 | "none | formC | formD | formKC | formKD", "NORMALIZATION", | |
234 | normalize_table); | |
235 | register_index(ZFS_PROP_CASE, "casesensitivity", ZFS_CASE_SENSITIVE, | |
236 | PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, | |
237 | "sensitive | insensitive | mixed", "CASE", case_table); | |
238 | ||
239 | /* set once index (boolean) properties */ | |
240 | register_index(ZFS_PROP_UTF8ONLY, "utf8only", 0, PROP_ONETIME, | |
241 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, | |
242 | "on | off", "UTF8ONLY", boolean_table); | |
243 | ||
244 | /* string properties */ | |
245 | register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY, | |
246 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<snapshot>", "ORIGIN"); | |
247 | register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/", PROP_INHERIT, | |
248 | ZFS_TYPE_FILESYSTEM, "<path> | legacy | none", "MOUNTPOINT"); | |
249 | register_string(ZFS_PROP_SHARENFS, "sharenfs", "off", PROP_INHERIT, | |
250 | ZFS_TYPE_FILESYSTEM, "on | off | share(1M) options", "SHARENFS"); | |
251 | register_string(ZFS_PROP_SHAREISCSI, "shareiscsi", "off", PROP_INHERIT, | |
252 | ZFS_TYPE_DATASET, "on | off | type=<type>", "SHAREISCSI"); | |
253 | register_string(ZFS_PROP_TYPE, "type", NULL, PROP_READONLY, | |
254 | ZFS_TYPE_DATASET, "filesystem | volume | snapshot", "TYPE"); | |
255 | register_string(ZFS_PROP_SHARESMB, "sharesmb", "off", PROP_INHERIT, | |
256 | ZFS_TYPE_FILESYSTEM, "on | off | sharemgr(1M) options", "SHARESMB"); | |
257 | ||
258 | /* readonly number properties */ | |
259 | register_number(ZFS_PROP_USED, "used", 0, PROP_READONLY, | |
260 | ZFS_TYPE_DATASET, "<size>", "USED"); | |
261 | register_number(ZFS_PROP_AVAILABLE, "available", 0, PROP_READONLY, | |
262 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "AVAIL"); | |
263 | register_number(ZFS_PROP_REFERENCED, "referenced", 0, PROP_READONLY, | |
264 | ZFS_TYPE_DATASET, "<size>", "REFER"); | |
265 | register_number(ZFS_PROP_COMPRESSRATIO, "compressratio", 0, | |
266 | PROP_READONLY, ZFS_TYPE_DATASET, | |
267 | "<1.00x or higher if compressed>", "RATIO"); | |
268 | register_number(ZFS_PROP_VOLBLOCKSIZE, "volblocksize", 8192, | |
269 | PROP_ONETIME, | |
270 | ZFS_TYPE_VOLUME, "512 to 128k, power of 2", "VOLBLOCK"); | |
b128c09f BB |
271 | register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0, PROP_READONLY, |
272 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDSNAP"); | |
273 | register_number(ZFS_PROP_USEDDS, "usedbydataset", 0, PROP_READONLY, | |
274 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDDS"); | |
275 | register_number(ZFS_PROP_USEDCHILD, "usedbychildren", 0, PROP_READONLY, | |
276 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDCHILD"); | |
277 | register_number(ZFS_PROP_USEDREFRESERV, "usedbyrefreservation", 0, | |
278 | PROP_READONLY, | |
279 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDREFRESERV"); | |
34dc7c2f BB |
280 | |
281 | /* default number properties */ | |
282 | register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT, | |
283 | ZFS_TYPE_FILESYSTEM, "<size> | none", "QUOTA"); | |
284 | register_number(ZFS_PROP_RESERVATION, "reservation", 0, PROP_DEFAULT, | |
285 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size> | none", "RESERV"); | |
286 | register_number(ZFS_PROP_VOLSIZE, "volsize", 0, PROP_DEFAULT, | |
287 | ZFS_TYPE_VOLUME, "<size>", "VOLSIZE"); | |
288 | register_number(ZFS_PROP_REFQUOTA, "refquota", 0, PROP_DEFAULT, | |
289 | ZFS_TYPE_FILESYSTEM, "<size> | none", "REFQUOTA"); | |
290 | register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0, | |
291 | PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, | |
292 | "<size> | none", "REFRESERV"); | |
293 | ||
294 | /* inherit number properties */ | |
295 | register_number(ZFS_PROP_RECORDSIZE, "recordsize", SPA_MAXBLOCKSIZE, | |
296 | PROP_INHERIT, | |
297 | ZFS_TYPE_FILESYSTEM, "512 to 128k, power of 2", "RECSIZE"); | |
298 | ||
299 | /* hidden properties */ | |
300 | register_hidden(ZFS_PROP_CREATETXG, "createtxg", PROP_TYPE_NUMBER, | |
301 | PROP_READONLY, ZFS_TYPE_DATASET, NULL); | |
302 | register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER, | |
303 | PROP_READONLY, ZFS_TYPE_SNAPSHOT, NULL); | |
304 | register_hidden(ZFS_PROP_NAME, "name", PROP_TYPE_STRING, | |
305 | PROP_READONLY, ZFS_TYPE_DATASET, "NAME"); | |
306 | register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions", PROP_TYPE_STRING, | |
307 | PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS"); | |
b128c09f BB |
308 | register_hidden(ZFS_PROP_GUID, "guid", PROP_TYPE_NUMBER, PROP_READONLY, |
309 | ZFS_TYPE_DATASET, "GUID"); | |
34dc7c2f BB |
310 | |
311 | /* oddball properties */ | |
312 | register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0, NULL, | |
313 | PROP_READONLY, ZFS_TYPE_DATASET, | |
314 | "<date>", "CREATION", B_FALSE, B_TRUE, NULL); | |
315 | } | |
316 | ||
317 | boolean_t | |
318 | zfs_prop_delegatable(zfs_prop_t prop) | |
319 | { | |
320 | zprop_desc_t *pd = &zfs_prop_table[prop]; | |
321 | return (pd->pd_attr != PROP_READONLY); | |
322 | } | |
323 | ||
324 | /* | |
325 | * Given a zfs dataset property name, returns the corresponding property ID. | |
326 | */ | |
327 | zfs_prop_t | |
328 | zfs_name_to_prop(const char *propname) | |
329 | { | |
330 | return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET)); | |
331 | } | |
332 | ||
333 | ||
334 | /* | |
335 | * For user property names, we allow all lowercase alphanumeric characters, plus | |
336 | * a few useful punctuation characters. | |
337 | */ | |
338 | static int | |
339 | valid_char(char c) | |
340 | { | |
341 | return ((c >= 'a' && c <= 'z') || | |
342 | (c >= '0' && c <= '9') || | |
343 | c == '-' || c == '_' || c == '.' || c == ':'); | |
344 | } | |
345 | ||
346 | /* | |
347 | * Returns true if this is a valid user-defined property (one with a ':'). | |
348 | */ | |
349 | boolean_t | |
350 | zfs_prop_user(const char *name) | |
351 | { | |
352 | int i; | |
353 | char c; | |
354 | boolean_t foundsep = B_FALSE; | |
355 | ||
356 | for (i = 0; i < strlen(name); i++) { | |
357 | c = name[i]; | |
358 | if (!valid_char(c)) | |
359 | return (B_FALSE); | |
360 | if (c == ':') | |
361 | foundsep = B_TRUE; | |
362 | } | |
363 | ||
364 | if (!foundsep) | |
365 | return (B_FALSE); | |
366 | ||
367 | return (B_TRUE); | |
368 | } | |
369 | ||
370 | /* | |
371 | * Tables of index types, plus functions to convert between the user view | |
372 | * (strings) and internal representation (uint64_t). | |
373 | */ | |
374 | int | |
375 | zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index) | |
376 | { | |
377 | return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET)); | |
378 | } | |
379 | ||
380 | int | |
381 | zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string) | |
382 | { | |
383 | return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET)); | |
384 | } | |
385 | ||
386 | /* | |
387 | * Returns TRUE if the property applies to any of the given dataset types. | |
388 | */ | |
b128c09f | 389 | boolean_t |
34dc7c2f BB |
390 | zfs_prop_valid_for_type(int prop, zfs_type_t types) |
391 | { | |
392 | return (zprop_valid_for_type(prop, types)); | |
393 | } | |
394 | ||
395 | zprop_type_t | |
396 | zfs_prop_get_type(zfs_prop_t prop) | |
397 | { | |
398 | return (zfs_prop_table[prop].pd_proptype); | |
399 | } | |
400 | ||
401 | /* | |
402 | * Returns TRUE if the property is readonly. | |
403 | */ | |
404 | boolean_t | |
405 | zfs_prop_readonly(zfs_prop_t prop) | |
406 | { | |
407 | return (zfs_prop_table[prop].pd_attr == PROP_READONLY || | |
408 | zfs_prop_table[prop].pd_attr == PROP_ONETIME); | |
409 | } | |
410 | ||
411 | /* | |
412 | * Returns TRUE if the property is only allowed to be set once. | |
413 | */ | |
414 | boolean_t | |
415 | zfs_prop_setonce(zfs_prop_t prop) | |
416 | { | |
417 | return (zfs_prop_table[prop].pd_attr == PROP_ONETIME); | |
418 | } | |
419 | ||
420 | const char * | |
421 | zfs_prop_default_string(zfs_prop_t prop) | |
422 | { | |
423 | return (zfs_prop_table[prop].pd_strdefault); | |
424 | } | |
425 | ||
426 | uint64_t | |
427 | zfs_prop_default_numeric(zfs_prop_t prop) | |
428 | { | |
429 | return (zfs_prop_table[prop].pd_numdefault); | |
430 | } | |
431 | ||
432 | /* | |
433 | * Given a dataset property ID, returns the corresponding name. | |
434 | * Assuming the zfs dataset property ID is valid. | |
435 | */ | |
436 | const char * | |
437 | zfs_prop_to_name(zfs_prop_t prop) | |
438 | { | |
439 | return (zfs_prop_table[prop].pd_name); | |
440 | } | |
441 | ||
442 | /* | |
443 | * Returns TRUE if the property is inheritable. | |
444 | */ | |
445 | boolean_t | |
446 | zfs_prop_inheritable(zfs_prop_t prop) | |
447 | { | |
448 | return (zfs_prop_table[prop].pd_attr == PROP_INHERIT || | |
449 | zfs_prop_table[prop].pd_attr == PROP_ONETIME); | |
450 | } | |
451 | ||
452 | #ifndef _KERNEL | |
453 | ||
454 | /* | |
455 | * Returns a string describing the set of acceptable values for the given | |
456 | * zfs property, or NULL if it cannot be set. | |
457 | */ | |
458 | const char * | |
459 | zfs_prop_values(zfs_prop_t prop) | |
460 | { | |
461 | return (zfs_prop_table[prop].pd_values); | |
462 | } | |
463 | ||
464 | /* | |
465 | * Returns TRUE if this property is a string type. Note that index types | |
466 | * (compression, checksum) are treated as strings in userland, even though they | |
467 | * are stored numerically on disk. | |
468 | */ | |
469 | int | |
470 | zfs_prop_is_string(zfs_prop_t prop) | |
471 | { | |
472 | return (zfs_prop_table[prop].pd_proptype == PROP_TYPE_STRING || | |
473 | zfs_prop_table[prop].pd_proptype == PROP_TYPE_INDEX); | |
474 | } | |
475 | ||
476 | /* | |
477 | * Returns the column header for the given property. Used only in | |
478 | * 'zfs list -o', but centralized here with the other property information. | |
479 | */ | |
480 | const char * | |
481 | zfs_prop_column_name(zfs_prop_t prop) | |
482 | { | |
483 | return (zfs_prop_table[prop].pd_colname); | |
484 | } | |
485 | ||
486 | /* | |
487 | * Returns whether the given property should be displayed right-justified for | |
488 | * 'zfs list'. | |
489 | */ | |
490 | boolean_t | |
491 | zfs_prop_align_right(zfs_prop_t prop) | |
492 | { | |
493 | return (zfs_prop_table[prop].pd_rightalign); | |
494 | } | |
495 | ||
496 | #endif |