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, 2014 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_LEAKED, "leaked", 0, PROP_READONLY,
86 ZFS_TYPE_POOL, "<size>", "LEAKED");
87 zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
88 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC");
89 zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0,
90 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ");
91 zprop_register_number(ZPOOL_PROP_FRAGMENTATION, "fragmentation", 0,
92 PROP_READONLY, ZFS_TYPE_POOL, "<percent>", "FRAG");
93 zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
94 ZFS_TYPE_POOL, "<size>", "CAP");
95 zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
96 ZFS_TYPE_POOL, "<guid>", "GUID");
97 zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
98 ZFS_TYPE_POOL, "<state>", "HEALTH");
99 zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
100 PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
101 "DEDUP");
102
103 /* default number properties */
104 zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
105 PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
106 zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0,
107 PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO");
108
109 /* default index (boolean) properties */
110 zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
111 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
112 boolean_table);
113 zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
114 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
115 zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
116 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
117 boolean_table);
118 zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
119 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
120 zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
121 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table);
122
123 /* default index properties */
124 zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
125 ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
126 "wait | continue | panic", "FAILMODE", failuremode_table);
127
128 /* hidden properties */
129 zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
130 PROP_READONLY, ZFS_TYPE_POOL, "NAME");
131 zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize",
132 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE");
133 zprop_register_hidden(ZPOOL_PROP_TNAME, "tname", PROP_TYPE_STRING,
134 PROP_ONETIME, ZFS_TYPE_POOL, "TNAME");
135 }
136
137 /*
138 * Given a property name and its type, returns the corresponding property ID.
139 */
140 zpool_prop_t
zpool_name_to_prop(const char * propname)141 zpool_name_to_prop(const char *propname)
142 {
143 return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
144 }
145
146 /*
147 * Given a pool property ID, returns the corresponding name.
148 * Assuming the pool propety ID is valid.
149 */
150 const char *
zpool_prop_to_name(zpool_prop_t prop)151 zpool_prop_to_name(zpool_prop_t prop)
152 {
153 return (zpool_prop_table[prop].pd_name);
154 }
155
156 zprop_type_t
zpool_prop_get_type(zpool_prop_t prop)157 zpool_prop_get_type(zpool_prop_t prop)
158 {
159 return (zpool_prop_table[prop].pd_proptype);
160 }
161
162 boolean_t
zpool_prop_readonly(zpool_prop_t prop)163 zpool_prop_readonly(zpool_prop_t prop)
164 {
165 return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
166 }
167
168 const char *
zpool_prop_default_string(zpool_prop_t prop)169 zpool_prop_default_string(zpool_prop_t prop)
170 {
171 return (zpool_prop_table[prop].pd_strdefault);
172 }
173
174 uint64_t
zpool_prop_default_numeric(zpool_prop_t prop)175 zpool_prop_default_numeric(zpool_prop_t prop)
176 {
177 return (zpool_prop_table[prop].pd_numdefault);
178 }
179
180 /*
181 * Returns true if this is a valid feature@ property.
182 */
183 boolean_t
zpool_prop_feature(const char * name)184 zpool_prop_feature(const char *name)
185 {
186 static const char *prefix = "feature@";
187 return (strncmp(name, prefix, strlen(prefix)) == 0);
188 }
189
190 /*
191 * Returns true if this is a valid unsupported@ property.
192 */
193 boolean_t
zpool_prop_unsupported(const char * name)194 zpool_prop_unsupported(const char *name)
195 {
196 static const char *prefix = "unsupported@";
197 return (strncmp(name, prefix, strlen(prefix)) == 0);
198 }
199
200 int
zpool_prop_string_to_index(zpool_prop_t prop,const char * string,uint64_t * index)201 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
202 uint64_t *index)
203 {
204 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
205 }
206
207 int
zpool_prop_index_to_string(zpool_prop_t prop,uint64_t index,const char ** string)208 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
209 const char **string)
210 {
211 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
212 }
213
214 uint64_t
zpool_prop_random_value(zpool_prop_t prop,uint64_t seed)215 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
216 {
217 return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
218 }
219
220 #ifndef _KERNEL
221
222 const char *
zpool_prop_values(zpool_prop_t prop)223 zpool_prop_values(zpool_prop_t prop)
224 {
225 return (zpool_prop_table[prop].pd_values);
226 }
227
228 const char *
zpool_prop_column_name(zpool_prop_t prop)229 zpool_prop_column_name(zpool_prop_t prop)
230 {
231 return (zpool_prop_table[prop].pd_colname);
232 }
233
234 boolean_t
zpool_prop_align_right(zpool_prop_t prop)235 zpool_prop_align_right(zpool_prop_t prop)
236 {
237 return (zpool_prop_table[prop].pd_rightalign);
238 }
239 #endif
240