xref: /titanic_50/usr/src/common/zfs/zpool_prop.c (revision 654b400c387942fc00d4f6869539adbd7b25fbce)
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 by Delphix. All rights reserved.
25  */
26 
27 #include <sys/zio.h>
28 #include <sys/spa.h>
29 #include <sys/zfs_acl.h>
30 #include <sys/zfs_ioctl.h>
31 #include <sys/fs/zfs.h>
32 
33 #include "zfs_prop.h"
34 
35 #if defined(_KERNEL)
36 #include <sys/systm.h>
37 #else
38 #include <stdlib.h>
39 #include <string.h>
40 #include <ctype.h>
41 #endif
42 
43 static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS];
44 
45 zprop_desc_t *
46 zpool_prop_get_table(void)
47 {
48 	return (zpool_prop_table);
49 }
50 
51 void
52 zpool_prop_init(void)
53 {
54 	static zprop_index_t boolean_table[] = {
55 		{ "off",	0},
56 		{ "on",		1},
57 		{ NULL }
58 	};
59 
60 	static zprop_index_t failuremode_table[] = {
61 		{ "wait",	ZIO_FAILURE_MODE_WAIT },
62 		{ "continue",	ZIO_FAILURE_MODE_CONTINUE },
63 		{ "panic",	ZIO_FAILURE_MODE_PANIC },
64 		{ NULL }
65 	};
66 
67 	/* string properties */
68 	zprop_register_string(ZPOOL_PROP_ALTROOT, "altroot", NULL, PROP_DEFAULT,
69 	    ZFS_TYPE_POOL, "<path>", "ALTROOT");
70 	zprop_register_string(ZPOOL_PROP_BOOTFS, "bootfs", NULL, PROP_DEFAULT,
71 	    ZFS_TYPE_POOL, "<filesystem>", "BOOTFS");
72 	zprop_register_string(ZPOOL_PROP_CACHEFILE, "cachefile", NULL,
73 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<file> | none", "CACHEFILE");
74 	zprop_register_string(ZPOOL_PROP_COMMENT, "comment", NULL,
75 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<comment-string>", "COMMENT");
76 
77 	/* readonly number properties */
78 	zprop_register_number(ZPOOL_PROP_SIZE, "size", 0, PROP_READONLY,
79 	    ZFS_TYPE_POOL, "<size>", "SIZE");
80 	zprop_register_number(ZPOOL_PROP_FREE, "free", 0, PROP_READONLY,
81 	    ZFS_TYPE_POOL, "<size>", "FREE");
82 	zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0,
83 	    PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC");
84 	zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0,
85 	    PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ");
86 	zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY,
87 	    ZFS_TYPE_POOL, "<size>", "CAP");
88 	zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY,
89 	    ZFS_TYPE_POOL, "<guid>", "GUID");
90 	zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY,
91 	    ZFS_TYPE_POOL, "<state>", "HEALTH");
92 	zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0,
93 	    PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>",
94 	    "DEDUP");
95 
96 	/* default number properties */
97 	zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
98 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
99 	zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0,
100 	    PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO");
101 
102 	/* default index (boolean) properties */
103 	zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
104 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
105 	    boolean_table);
106 	zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
107 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
108 	zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
109 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
110 	    boolean_table);
111 	zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
112 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
113 	zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
114 	    PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table);
115 
116 	/* default index properties */
117 	zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
118 	    ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
119 	    "wait | continue | panic", "FAILMODE", failuremode_table);
120 
121 	/* hidden properties */
122 	zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
123 	    PROP_READONLY, ZFS_TYPE_POOL, "NAME");
124 }
125 
126 /*
127  * Given a property name and its type, returns the corresponding property ID.
128  */
129 zpool_prop_t
130 zpool_name_to_prop(const char *propname)
131 {
132 	return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
133 }
134 
135 /*
136  * Given a pool property ID, returns the corresponding name.
137  * Assuming the pool propety ID is valid.
138  */
139 const char *
140 zpool_prop_to_name(zpool_prop_t prop)
141 {
142 	return (zpool_prop_table[prop].pd_name);
143 }
144 
145 zprop_type_t
146 zpool_prop_get_type(zpool_prop_t prop)
147 {
148 	return (zpool_prop_table[prop].pd_proptype);
149 }
150 
151 boolean_t
152 zpool_prop_readonly(zpool_prop_t prop)
153 {
154 	return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
155 }
156 
157 const char *
158 zpool_prop_default_string(zpool_prop_t prop)
159 {
160 	return (zpool_prop_table[prop].pd_strdefault);
161 }
162 
163 uint64_t
164 zpool_prop_default_numeric(zpool_prop_t prop)
165 {
166 	return (zpool_prop_table[prop].pd_numdefault);
167 }
168 
169 int
170 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
171     uint64_t *index)
172 {
173 	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
174 }
175 
176 int
177 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
178     const char **string)
179 {
180 	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
181 }
182 
183 uint64_t
184 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
185 {
186 	return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
187 }
188 
189 #ifndef _KERNEL
190 
191 const char *
192 zpool_prop_values(zpool_prop_t prop)
193 {
194 	return (zpool_prop_table[prop].pd_values);
195 }
196 
197 const char *
198 zpool_prop_column_name(zpool_prop_t prop)
199 {
200 	return (zpool_prop_table[prop].pd_colname);
201 }
202 
203 boolean_t
204 zpool_prop_align_right(zpool_prop_t prop)
205 {
206 	return (zpool_prop_table[prop].pd_rightalign);
207 }
208 #endif
209