xref: /titanic_41/usr/src/common/zfs/zpool_prop.c (revision 450396635f70344c58b6b1e4db38cf17ff34445c)
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_USED, "used", 0, PROP_READONLY,
78 	    ZFS_TYPE_POOL, "<size>", "USED");
79 	register_number(ZPOOL_PROP_AVAILABLE, "available", 0, PROP_READONLY,
80 	    ZFS_TYPE_POOL, "<size>", "AVAIL");
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 
88 	/* default number properties */
89 	register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
90 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
91 
92 	/* default index (boolean) properties */
93 	register_index(ZPOOL_PROP_DELEGATION, "delegation", 1, PROP_DEFAULT,
94 	    ZFS_TYPE_POOL, "on | off", "DELEGATION", boolean_table);
95 	register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0, PROP_DEFAULT,
96 	    ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
97 	register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0, PROP_DEFAULT,
98 	    ZFS_TYPE_POOL, "on | off", "LISTSNAPS", boolean_table);
99 	register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0, PROP_DEFAULT,
100 	    ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
101 
102 	/* default index properties */
103 	register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
104 	    ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
105 	    "wait | continue | panic", "FAILMODE", failuremode_table);
106 
107 	/* hidden properties */
108 	register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
109 	    PROP_READONLY, ZFS_TYPE_POOL, "NAME");
110 }
111 
112 /*
113  * Given a property name and its type, returns the corresponding property ID.
114  */
115 zpool_prop_t
116 zpool_name_to_prop(const char *propname)
117 {
118 	return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
119 }
120 
121 /*
122  * Given a pool property ID, returns the corresponding name.
123  * Assuming the pool propety ID is valid.
124  */
125 const char *
126 zpool_prop_to_name(zpool_prop_t prop)
127 {
128 	return (zpool_prop_table[prop].pd_name);
129 }
130 
131 zprop_type_t
132 zpool_prop_get_type(zpool_prop_t prop)
133 {
134 	return (zpool_prop_table[prop].pd_proptype);
135 }
136 
137 boolean_t
138 zpool_prop_readonly(zpool_prop_t prop)
139 {
140 	return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
141 }
142 
143 const char *
144 zpool_prop_default_string(zpool_prop_t prop)
145 {
146 	return (zpool_prop_table[prop].pd_strdefault);
147 }
148 
149 uint64_t
150 zpool_prop_default_numeric(zpool_prop_t prop)
151 {
152 	return (zpool_prop_table[prop].pd_numdefault);
153 }
154 
155 int
156 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
157     uint64_t *index)
158 {
159 	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
160 }
161 
162 int
163 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
164     const char **string)
165 {
166 	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
167 }
168 
169 #ifndef _KERNEL
170 
171 const char *
172 zpool_prop_values(zpool_prop_t prop)
173 {
174 	return (zpool_prop_table[prop].pd_values);
175 }
176 
177 const char *
178 zpool_prop_column_name(zpool_prop_t prop)
179 {
180 	return (zpool_prop_table[prop].pd_colname);
181 }
182 
183 boolean_t
184 zpool_prop_align_right(zpool_prop_t prop)
185 {
186 	return (zpool_prop_table[prop].pd_rightalign);
187 }
188 #endif
189