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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 * Copyright (c) 2012, 2017, 2018 by Delphix. All rights reserved.
25 * Copyright (c) 2014 Integros [integros.com]
26 */
27
28 #include <sys/zio.h>
29 #include <sys/spa.h>
30 #include <sys/zfs_acl.h>
31 #include <sys/zfs_ioctl.h>
32 #include <sys/fs/zfs.h>
33
34 #include "zfs_prop.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 zpool_prop_table[ZPOOL_NUM_PROPS];
45
46 zprop_desc_t *
zpool_prop_get_table(void)47 zpool_prop_get_table(void)
48 {
49 return (zpool_prop_table);
50 }
51
52 void
zpool_prop_init(void)53 zpool_prop_init(void)
54 {
55 static zprop_index_t boolean_table[] = {
56 { "off", 0},
57 { "on", 1},
58 { NULL }
59 };
60
61 static 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 /* string properties */
69 zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
70 ZFS_TYPE_POOL, "<path>", "ALTROOT");
71 zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
72 ZFS_TYPE_POOL, "<filesystem>", "BOOTFS");
73 zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL,
74 PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE");
75 zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL,
76 PROP_DEFAULT, ZFS_TYPE_POOL, "<comment-string>", "COMMENT");
77
78 /* readonly number properties */
79 zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
80 ZFS_TYPE_POOL, "<size>", "SIZE");
81 zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
82 ZFS_TYPE_POOL, "<size>", "FREE");
83 zprop_register_number(ZPOOL_PROP_FREEING, "freeing", 0, PROP_READONLY,
84 ZFS_TYPE_POOL, "<size>", "FREEING");
85 zprop_register_number(ZPOOL_PROP_CHECKPOINT, "checkpoint", 0,
86 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "CKPOINT");
87 zprop_register_number(ZPOOL_PROP_LEAKED, "leaked", 0, PROP_READONLY,
88 ZFS_TYPE_POOL, "<size>", "LEAKED");
89 zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
90 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC");
91 zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0,
92 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ");
93 zprop_register_number(ZPOOL_PROP_FRAGMENTATION, "fragmentation", 0,
94 PROP_READONLY, ZFS_TYPE_POOL, "<percent>", "FRAG");
95 zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
96 ZFS_TYPE_POOL, "<size>", "CAP");
97 zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
98 ZFS_TYPE_POOL, "<guid>", "GUID");
99 zprop_register_number(ZPOOL_PROP_LOAD_GUID, "load_guid", 0,
100 PROP_READONLY, ZFS_TYPE_POOL, "<load_guid>", "LOAD_GUID");
101 zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
102 ZFS_TYPE_POOL, "<state>", "HEALTH");
103 zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
104 PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
105 "DEDUP");
106
107 /* system partition size */
108 zprop_register_number(ZPOOL_PROP_BOOTSIZE, "bootsize", 0, PROP_ONETIME,
109 ZFS_TYPE_POOL, "<size>", "BOOTSIZE");
110
111 /* default number properties */
112 zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
113 PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
114 zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0,
115 PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO");
116
117 /* default index (boolean) properties */
118 zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
119 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
120 boolean_table);
121 zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
122 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
123 zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
124 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
125 boolean_table);
126 zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
127 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
128 zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
129 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table);
130 zprop_register_index(ZPOOL_PROP_MULTIHOST, "multihost", 0,
131 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "MULTIHOST",
132 boolean_table);
133
134 /* default index properties */
135 zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
136 ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
137 "wait | continue | panic", "FAILMODE", failuremode_table);
138
139 /* hidden properties */
140 zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
141 PROP_READONLY, ZFS_TYPE_POOL, "NAME");
142 zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize",
143 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE");
144 zprop_register_hidden(ZPOOL_PROP_TNAME, "tname", PROP_TYPE_STRING,
145 PROP_ONETIME, ZFS_TYPE_POOL, "TNAME");
146 zprop_register_hidden(ZPOOL_PROP_MAXDNODESIZE, "maxdnodesize",
147 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXDNODESIZE");
148 }
149
150 /*
151 * Given a property name and its type, returns the corresponding property ID.
152 */
153 zpool_prop_t
zpool_name_to_prop(const char * propname)154 zpool_name_to_prop(const char *propname)
155 {
156 return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
157 }
158
159 /*
160 * Given a pool property ID, returns the corresponding name.
161 * Assuming the pool propety ID is valid.
162 */
163 const char *
zpool_prop_to_name(zpool_prop_t prop)164 zpool_prop_to_name(zpool_prop_t prop)
165 {
166 return (zpool_prop_table[prop].pd_name);
167 }
168
169 zprop_type_t
zpool_prop_get_type(zpool_prop_t prop)170 zpool_prop_get_type(zpool_prop_t prop)
171 {
172 return (zpool_prop_table[prop].pd_proptype);
173 }
174
175 boolean_t
zpool_prop_readonly(zpool_prop_t prop)176 zpool_prop_readonly(zpool_prop_t prop)
177 {
178 return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
179 }
180
181 const char *
zpool_prop_default_string(zpool_prop_t prop)182 zpool_prop_default_string(zpool_prop_t prop)
183 {
184 return (zpool_prop_table[prop].pd_strdefault);
185 }
186
187 uint64_t
zpool_prop_default_numeric(zpool_prop_t prop)188 zpool_prop_default_numeric(zpool_prop_t prop)
189 {
190 return (zpool_prop_table[prop].pd_numdefault);
191 }
192
193 /*
194 * Returns true if this is a valid feature@ property.
195 */
196 boolean_t
zpool_prop_feature(const char * name)197 zpool_prop_feature(const char *name)
198 {
199 static const char *prefix = "feature@";
200 return (strncmp(name, prefix, strlen(prefix)) == 0);
201 }
202
203 /*
204 * Returns true if this is a valid unsupported@ property.
205 */
206 boolean_t
zpool_prop_unsupported(const char * name)207 zpool_prop_unsupported(const char *name)
208 {
209 static const char *prefix = "unsupported@";
210 return (strncmp(name, prefix, strlen(prefix)) == 0);
211 }
212
213 int
zpool_prop_string_to_index(zpool_prop_t prop,const char * string,uint64_t * index)214 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
215 uint64_t *index)
216 {
217 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
218 }
219
220 int
zpool_prop_index_to_string(zpool_prop_t prop,uint64_t index,const char ** string)221 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
222 const char **string)
223 {
224 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
225 }
226
227 uint64_t
zpool_prop_random_value(zpool_prop_t prop,uint64_t seed)228 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
229 {
230 return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
231 }
232
233 #ifndef _KERNEL
234
235 const char *
zpool_prop_values(zpool_prop_t prop)236 zpool_prop_values(zpool_prop_t prop)
237 {
238 return (zpool_prop_table[prop].pd_values);
239 }
240
241 const char *
zpool_prop_column_name(zpool_prop_t prop)242 zpool_prop_column_name(zpool_prop_t prop)
243 {
244 return (zpool_prop_table[prop].pd_colname);
245 }
246
247 boolean_t
zpool_prop_align_right(zpool_prop_t prop)248 zpool_prop_align_right(zpool_prop_t prop)
249 {
250 return (zpool_prop_table[prop].pd_rightalign);
251 }
252 #endif
253