xref: /titanic_41/usr/src/common/zfs/zpool_prop.c (revision bbf6f00c25b6a2bed23c35eac6d62998ecdb338c)
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 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <sys/zio.h>
27 #include <sys/spa.h>
28 #include <sys/zfs_acl.h>
29 #include <sys/zfs_ioctl.h>
30 #include <sys/fs/zfs.h>
31 
32 #include "zfs_prop.h"
33 
34 #if defined(_KERNEL)
35 #include <sys/systm.h>
36 #else
37 #include <stdlib.h>
38 #include <string.h>
39 #include <ctype.h>
40 #endif
41 
42 static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS];
43 
44 zprop_desc_t *
45 zpool_prop_get_table(void)
46 {
47 	return (zpool_prop_table);
48 }
49 
50 void
51 zpool_prop_init(void)
52 {
53 	static zprop_index_t boolean_table[] = {
54 		{ "off",	0},
55 		{ "on",		1},
56 		{ NULL }
57 	};
58 
59 	static zprop_index_t failuremode_table[] = {
60 		{ "wait",	ZIO_FAILURE_MODE_WAIT },
61 		{ "continue",	ZIO_FAILURE_MODE_CONTINUE },
62 		{ "panic",	ZIO_FAILURE_MODE_PANIC },
63 		{ NULL }
64 	};
65 
66 	/* string properties */
67 	register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
68 	    ZFS_TYPE_POOL, "<path>", "ALTROOT");
69 	register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
70 	    ZFS_TYPE_POOL, "<filesystem>", "BOOTFS");
71 	register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL, PROP_DEFAULT,
72 	    ZFS_TYPE_POOL, "<file> | none", "CACHEFILE");
73 
74 	/* readonly number properties */
75 	register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
76 	    ZFS_TYPE_POOL, "<size>", "SIZE");
77 	register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
78 	    ZFS_TYPE_POOL, "<size>", "FREE");
79 	register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0, PROP_READONLY,
80 	    ZFS_TYPE_POOL, "<size>", "ALLOC");
81 	register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
82 	    ZFS_TYPE_POOL, "<size>", "CAP");
83 	register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
84 	    ZFS_TYPE_POOL, "<guid>", "GUID");
85 	register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
86 	    ZFS_TYPE_POOL, "<state>", "HEALTH");
87 	register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0, PROP_READONLY,
88 	    ZFS_TYPE_POOL, "<1.00x or higher if deduped>", "DEDUP");
89 
90 	/* default number properties */
91 	register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
92 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
93 
94 	/* default index (boolean) properties */
95 	register_index(ZPOOL_PROP_DELEGATION, "delegation", 1, PROP_DEFAULT,
96 	    ZFS_TYPE_POOL, "on | off", "DELEGATION", boolean_table);
97 	register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0, PROP_DEFAULT,
98 	    ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
99 	register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0, PROP_DEFAULT,
100 	    ZFS_TYPE_POOL, "on | off", "LISTSNAPS", boolean_table);
101 	register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0, PROP_DEFAULT,
102 	    ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
103 
104 	/* default index properties */
105 	register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
106 	    ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
107 	    "wait | continue | panic", "FAILMODE", failuremode_table);
108 
109 	/* hidden properties */
110 	register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
111 	    PROP_READONLY, ZFS_TYPE_POOL, "NAME");
112 	register_hidden(ZPOOL_PROP_DEDUPDITTO, "dedupditto", PROP_TYPE_NUMBER,
113 	    PROP_READONLY, ZFS_TYPE_POOL, "DEDUPDITTO");
114 }
115 
116 /*
117  * Given a property name and its type, returns the corresponding property ID.
118  */
119 zpool_prop_t
120 zpool_name_to_prop(const char *propname)
121 {
122 	return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
123 }
124 
125 /*
126  * Given a pool property ID, returns the corresponding name.
127  * Assuming the pool propety ID is valid.
128  */
129 const char *
130 zpool_prop_to_name(zpool_prop_t prop)
131 {
132 	return (zpool_prop_table[prop].pd_name);
133 }
134 
135 zprop_type_t
136 zpool_prop_get_type(zpool_prop_t prop)
137 {
138 	return (zpool_prop_table[prop].pd_proptype);
139 }
140 
141 boolean_t
142 zpool_prop_readonly(zpool_prop_t prop)
143 {
144 	return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
145 }
146 
147 const char *
148 zpool_prop_default_string(zpool_prop_t prop)
149 {
150 	return (zpool_prop_table[prop].pd_strdefault);
151 }
152 
153 uint64_t
154 zpool_prop_default_numeric(zpool_prop_t prop)
155 {
156 	return (zpool_prop_table[prop].pd_numdefault);
157 }
158 
159 int
160 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
161     uint64_t *index)
162 {
163 	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
164 }
165 
166 int
167 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
168     const char **string)
169 {
170 	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
171 }
172 
173 uint64_t
174 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
175 {
176 	return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
177 }
178 
179 #ifndef _KERNEL
180 
181 const char *
182 zpool_prop_values(zpool_prop_t prop)
183 {
184 	return (zpool_prop_table[prop].pd_values);
185 }
186 
187 const char *
188 zpool_prop_column_name(zpool_prop_t prop)
189 {
190 	return (zpool_prop_table[prop].pd_colname);
191 }
192 
193 boolean_t
194 zpool_prop_align_right(zpool_prop_t prop)
195 {
196 	return (zpool_prop_table[prop].pd_rightalign);
197 }
198 #endif
199