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 /*
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
25 * Copyright (c) 2014 Integros [integros.com]
26 * Copyright 2017 Nexenta Systems, Inc.
27 */
28
29 #include <sys/zio.h>
30 #include <sys/spa.h>
31 #include <sys/special.h>
32 #include <sys/zfs_acl.h>
33 #include <sys/zfs_ioctl.h>
34 #include <sys/fs/zfs.h>
35
36 #include "zfs_prop.h"
37
38 #if defined(_KERNEL)
39 #include <sys/systm.h>
40 #else
41 #include <stdlib.h>
42 #include <string.h>
43 #include <ctype.h>
44 #endif
45
46 static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS];
47
48 zprop_desc_t *
49 zpool_prop_get_table(void)
50 {
51 return (zpool_prop_table);
52 }
53
54 void
55 zpool_prop_init(void)
56 {
57 static zprop_index_t boolean_table[] = {
58 { "off", 0},
59 { "on", 1},
60 { NULL }
61 };
62
63 static zprop_index_t meta_placement_table[] = {
64 { "off", META_PLACEMENT_OFF},
65 { "on", META_PLACEMENT_ON},
66 { "dual", META_PLACEMENT_DUAL},
67 { NULL }
68 };
69
70 static zprop_index_t failuremode_table[] = {
71 { "wait", ZIO_FAILURE_MODE_WAIT },
72 { "continue", ZIO_FAILURE_MODE_CONTINUE },
73 { "panic", ZIO_FAILURE_MODE_PANIC },
74 { NULL }
75 };
76
77 static zprop_index_t sync_to_special_table[] = {
78 { "disabled", SYNC_TO_SPECIAL_DISABLED },
79 { "standard", SYNC_TO_SPECIAL_STANDARD },
80 { "balanced", SYNC_TO_SPECIAL_BALANCED },
81 { "always", SYNC_TO_SPECIAL_ALWAYS},
82 { NULL }
83 };
84
85 /*
86 * NOTE: When either adding or changing a property make sure
87 * to update the zfs-tests zpool_get configuration file
88 * at usr/src/test/zfs-tests/tests/functional/cli_root/zpool_get/
89 * zpool_get.cfg
90 */
91
92 /* string properties */
93 zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
94 ZFS_TYPE_POOL, "<path>", "ALTROOT");
95 zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
96 ZFS_TYPE_POOL, "<filesystem>", "BOOTFS");
97 zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL,
98 PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE");
99 zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL,
100 PROP_DEFAULT, ZFS_TYPE_POOL, "<comment-string>", "COMMENT");
101
102 /* readonly number properties */
103 zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
104 ZFS_TYPE_POOL, "<size>", "SIZE");
105 zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
106 ZFS_TYPE_POOL, "<size>", "FREE");
107 zprop_register_number(ZPOOL_PROP_FREEING, "freeing", 0, PROP_READONLY,
108 ZFS_TYPE_POOL, "<size>", "FREEING");
109 zprop_register_number(ZPOOL_PROP_LEAKED, "leaked", 0, PROP_READONLY,
110 ZFS_TYPE_POOL, "<size>", "LEAKED");
111 zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
112 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC");
113 zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0,
114 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ");
115 zprop_register_number(ZPOOL_PROP_FRAGMENTATION, "fragmentation", 0,
116 PROP_READONLY, ZFS_TYPE_POOL, "<percent>", "FRAG");
117 zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
118 ZFS_TYPE_POOL, "<size>", "CAP");
119 zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
120 ZFS_TYPE_POOL, "<guid>", "GUID");
121 zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
122 ZFS_TYPE_POOL, "<state>", "HEALTH");
123 zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
124 PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
125 "DEDUP");
126 zprop_register_index(ZPOOL_PROP_DDTCAPPED, "ddt_capped", 0,
127 PROP_READONLY, ZFS_TYPE_POOL, "off | on", "DDT_CAPPED",
128 boolean_table);
129
130 /* system partition size */
131 zprop_register_number(ZPOOL_PROP_BOOTSIZE, "bootsize", 0, PROP_ONETIME,
132 ZFS_TYPE_POOL, "<size>", "BOOTSIZE");
133
134 /* default number properties */
135 zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
136 PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
137 zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0,
138 PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO");
139 zprop_register_number(ZPOOL_PROP_DEDUPMETA_DITTO, "dedup_meta_ditto", 0,
140 PROP_DEFAULT, ZFS_TYPE_POOL, "<number of copies>",
141 "DEDUP_META_DITTO");
142 zprop_register_number(ZPOOL_PROP_DEDUP_LO_BEST_EFFORT,
143 "dedup_lo_best_effort", 60, PROP_DEFAULT, ZFS_TYPE_POOL,
144 "0-100", "DEDUP_LO_BEST_EFFORT");
145 zprop_register_number(ZPOOL_PROP_DEDUP_HI_BEST_EFFORT,
146 "dedup_hi_best_effort", 80, PROP_DEFAULT, ZFS_TYPE_POOL,
147 "0-100", "DEDUP_HI_BEST_EFFORT");
148 zprop_register_number(ZPOOL_PROP_SCRUB_PRIO,
149 "scrubprio", 5, PROP_DEFAULT, ZFS_TYPE_POOL,
150 "0-100", "SCRUB_PRIO");
151 zprop_register_number(ZPOOL_PROP_RESILVER_PRIO,
152 "resilverprio", 10, PROP_DEFAULT, ZFS_TYPE_POOL,
153 "0-100", "RESILVER_PRIO");
154
155 /* default index (boolean) properties */
156 zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
157 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
158 boolean_table);
159 zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 1,
160 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
161 zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
162 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
163 boolean_table);
164 zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
165 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
166 zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
167 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table);
168 zprop_register_index(ZPOOL_PROP_DDT_DESEGREGATION, "ddt_desegregation",
169 0, PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DDT_DESEG",
170 boolean_table);
171 zprop_register_index(ZPOOL_PROP_DEDUP_BEST_EFFORT, "dedup_best_effort",
172 0, PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DEDUP_BEST_EFFORT",
173 boolean_table);
174
175 zprop_register_index(ZPOOL_PROP_META_PLACEMENT, "meta_placement", 0,
176 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "META_PLCMNT",
177 boolean_table);
178 zprop_register_index(ZPOOL_PROP_SYNC_TO_SPECIAL, "sync_to_special",
179 SYNC_TO_SPECIAL_STANDARD, PROP_DEFAULT, ZFS_TYPE_POOL,
180 "disabled | standard | balanced | always", "SYNC_TO_SPECIAL",
181 sync_to_special_table);
182 zprop_register_index(ZPOOL_PROP_DDT_META_TO_METADEV,
183 "ddt_meta_to_metadev", META_PLACEMENT_OFF, PROP_DEFAULT,
184 ZFS_TYPE_POOL, "on | dual | off",
185 "DDTMETA_TO_MD", meta_placement_table);
186 zprop_register_index(ZPOOL_PROP_ZFS_META_TO_METADEV,
187 "zfs_meta_to_metadev", META_PLACEMENT_OFF, PROP_DEFAULT,
188 ZFS_TYPE_POOL, "on | dual | off",
189 "ZFSMETA_TO_MD", meta_placement_table);
190
191 /* default index properties */
192 zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
193 ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
194 "wait | continue | panic", "FAILMODE", failuremode_table);
195 zprop_register_index(ZPOOL_PROP_FORCETRIM, "forcetrim",
196 SPA_FORCE_TRIM_OFF, PROP_DEFAULT, ZFS_TYPE_POOL,
197 "on | off", "FORCETRIM", boolean_table);
198 zprop_register_index(ZPOOL_PROP_AUTOTRIM, "autotrim",
199 SPA_AUTO_TRIM_OFF, PROP_DEFAULT, ZFS_TYPE_POOL,
200 "on | off", "AUTOTRIM", boolean_table);
201
202 /* special device status (enabled/disabled) */
203 zprop_register_index(ZPOOL_PROP_ENABLESPECIAL, "enablespecial", 0,
204 PROP_READONLY, ZFS_TYPE_POOL, "on | off", "ENABLESPECIAL",
205 boolean_table);
206
207 /* pool's min watermark in percents (for write cache) */
208 zprop_register_number(ZPOOL_PROP_MINWATERMARK, "min-watermark",
209 20, PROP_DEFAULT, ZFS_TYPE_POOL,
210 "<watermark 0-100%>", "MINWATERMARK");
211
212 /* pool's low watermark in percents (for write cache) */
213 zprop_register_number(ZPOOL_PROP_LOWATERMARK, "low-watermark",
214 60, PROP_DEFAULT, ZFS_TYPE_POOL,
215 "<watermark 0-100%>", "LOWATERMARK");
216
217 /* pool's high watermark in percents (for write cache) */
218 zprop_register_number(ZPOOL_PROP_HIWATERMARK, "high-watermark",
219 80, PROP_DEFAULT, ZFS_TYPE_POOL,
220 "<watermark 0-100%>", "HIWATERMARK");
221
222 zprop_register_number(ZPOOL_PROP_SMALL_DATA_TO_METADEV,
223 "small_data_to_metadev", 0, PROP_DEFAULT, ZFS_TYPE_POOL,
224 "Threshold to route to md", "SMALLDATA_TO_MD");
225
226 /* hidden properties */
227 zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
228 PROP_READONLY, ZFS_TYPE_POOL, "NAME");
229 zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize",
230 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE");
231 }
232
233 /*
234 * Given a property name and its type, returns the corresponding property ID.
235 */
236 zpool_prop_t
237 zpool_name_to_prop(const char *propname)
238 {
239 return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
240 }
241
242 /*
243 * Given a pool property ID, returns the corresponding name.
244 * Assuming the pool propety ID is valid.
245 */
246 const char *
247 zpool_prop_to_name(zpool_prop_t prop)
248 {
249 return (zpool_prop_table[prop].pd_name);
250 }
251
252 zprop_type_t
253 zpool_prop_get_type(zpool_prop_t prop)
254 {
255 return (zpool_prop_table[prop].pd_proptype);
256 }
257
258 boolean_t
259 zpool_prop_readonly(zpool_prop_t prop)
260 {
261 return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
262 }
263
264 const char *
265 zpool_prop_default_string(zpool_prop_t prop)
266 {
267 return (zpool_prop_table[prop].pd_strdefault);
268 }
269
270 uint64_t
271 zpool_prop_default_numeric(zpool_prop_t prop)
272 {
273 return (zpool_prop_table[prop].pd_numdefault);
274 }
275
276 /*
277 * Returns true if this is a valid feature@ property.
278 */
279 boolean_t
280 zpool_prop_feature(const char *name)
281 {
282 static const char *prefix = "feature@";
283 return (strncmp(name, prefix, strlen(prefix)) == 0);
284 }
285
286 /*
287 * Returns true if this is a valid unsupported@ property.
288 */
289 boolean_t
290 zpool_prop_unsupported(const char *name)
291 {
292 static const char *prefix = "unsupported@";
293 return (strncmp(name, prefix, strlen(prefix)) == 0);
294 }
295
296 int
297 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
298 uint64_t *index)
299 {
300 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
301 }
302
303 int
304 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
305 const char **string)
306 {
307 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
308 }
309
310 uint64_t
311 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
312 {
313 return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
314 }
315
316 #ifndef _KERNEL
317
318 const char *
319 zpool_prop_values(zpool_prop_t prop)
320 {
321 return (zpool_prop_table[prop].pd_values);
322 }
323
324 const char *
325 zpool_prop_column_name(zpool_prop_t prop)
326 {
327 return (zpool_prop_table[prop].pd_colname);
328 }
329
330 boolean_t
331 zpool_prop_align_right(zpool_prop_t prop)
332 {
333 return (zpool_prop_table[prop].pd_rightalign);
334 }
335 #endif