xref: /titanic_41/usr/src/common/zfs/zpool_prop.c (revision c586600796766c83eb9485c446886fd9ed2359a9)
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 2010 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 	zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
68 	    ZFS_TYPE_POOL, "<path>", "ALTROOT");
69 	zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
70 	    ZFS_TYPE_POOL, "<filesystem>", "BOOTFS");
71 	zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL,
72 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE");
73 
74 	/* readonly number properties */
75 	zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
76 	    ZFS_TYPE_POOL, "<size>", "SIZE");
77 	zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
78 	    ZFS_TYPE_POOL, "<size>", "FREE");
79 	zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
80 	    PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC");
81 	zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
82 	    ZFS_TYPE_POOL, "<size>", "CAP");
83 	zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
84 	    ZFS_TYPE_POOL, "<guid>", "GUID");
85 	zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
86 	    ZFS_TYPE_POOL, "<state>", "HEALTH");
87 	zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
88 	    PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
89 	    "DEDUP");
90 
91 	/* default number properties */
92 	zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
93 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
94 	zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0,
95 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO");
96 
97 	/* default index (boolean) properties */
98 	zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
99 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
100 	    boolean_table);
101 	zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
102 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
103 	zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
104 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
105 	    boolean_table);
106 	zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
107 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
108 
109 	/* default index properties */
110 	zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
111 	    ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
112 	    "wait | continue | panic", "FAILMODE", failuremode_table);
113 
114 	/* hidden properties */
115 	zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
116 	    PROP_READONLY, ZFS_TYPE_POOL, "NAME");
117 }
118 
119 /*
120  * Given a property name and its type, returns the corresponding property ID.
121  */
122 zpool_prop_t
123 zpool_name_to_prop(const char *propname)
124 {
125 	return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
126 }
127 
128 /*
129  * Given a pool property ID, returns the corresponding name.
130  * Assuming the pool propety ID is valid.
131  */
132 const char *
133 zpool_prop_to_name(zpool_prop_t prop)
134 {
135 	return (zpool_prop_table[prop].pd_name);
136 }
137 
138 zprop_type_t
139 zpool_prop_get_type(zpool_prop_t prop)
140 {
141 	return (zpool_prop_table[prop].pd_proptype);
142 }
143 
144 boolean_t
145 zpool_prop_readonly(zpool_prop_t prop)
146 {
147 	return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
148 }
149 
150 const char *
151 zpool_prop_default_string(zpool_prop_t prop)
152 {
153 	return (zpool_prop_table[prop].pd_strdefault);
154 }
155 
156 uint64_t
157 zpool_prop_default_numeric(zpool_prop_t prop)
158 {
159 	return (zpool_prop_table[prop].pd_numdefault);
160 }
161 
162 int
163 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
164     uint64_t *index)
165 {
166 	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
167 }
168 
169 int
170 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
171     const char **string)
172 {
173 	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
174 }
175 
176 uint64_t
177 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
178 {
179 	return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
180 }
181 
182 #ifndef _KERNEL
183 
184 const char *
185 zpool_prop_values(zpool_prop_t prop)
186 {
187 	return (zpool_prop_table[prop].pd_values);
188 }
189 
190 const char *
191 zpool_prop_column_name(zpool_prop_t prop)
192 {
193 	return (zpool_prop_table[prop].pd_colname);
194 }
195 
196 boolean_t
197 zpool_prop_align_right(zpool_prop_t prop)
198 {
199 	return (zpool_prop_table[prop].pd_rightalign);
200 }
201 #endif
202