zpool_prop.c revision 297112 
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
44static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS];
45
46zprop_desc_t *
47zpool_prop_get_table(void)
48{
49	return (zpool_prop_table);
50}
51
52void
53zpool_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}
134
135/*
136 * Given a property name and its type, returns the corresponding property ID.
137 */
138zpool_prop_t
139zpool_name_to_prop(const char *propname)
140{
141	return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
142}
143
144/*
145 * Given a pool property ID, returns the corresponding name.
146 * Assuming the pool propety ID is valid.
147 */
148const char *
149zpool_prop_to_name(zpool_prop_t prop)
150{
151	return (zpool_prop_table[prop].pd_name);
152}
153
154zprop_type_t
155zpool_prop_get_type(zpool_prop_t prop)
156{
157	return (zpool_prop_table[prop].pd_proptype);
158}
159
160boolean_t
161zpool_prop_readonly(zpool_prop_t prop)
162{
163	return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
164}
165
166const char *
167zpool_prop_default_string(zpool_prop_t prop)
168{
169	return (zpool_prop_table[prop].pd_strdefault);
170}
171
172uint64_t
173zpool_prop_default_numeric(zpool_prop_t prop)
174{
175	return (zpool_prop_table[prop].pd_numdefault);
176}
177
178/*
179 * Returns true if this is a valid feature@ property.
180 */
181boolean_t
182zpool_prop_feature(const char *name)
183{
184	static const char *prefix = "feature@";
185	return (strncmp(name, prefix, strlen(prefix)) == 0);
186}
187
188/*
189 * Returns true if this is a valid unsupported@ property.
190 */
191boolean_t
192zpool_prop_unsupported(const char *name)
193{
194	static const char *prefix = "unsupported@";
195	return (strncmp(name, prefix, strlen(prefix)) == 0);
196}
197
198int
199zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
200    uint64_t *index)
201{
202	return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
203}
204
205int
206zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
207    const char **string)
208{
209	return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
210}
211
212uint64_t
213zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
214{
215	return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
216}
217
218#ifndef _KERNEL
219
220const char *
221zpool_prop_values(zpool_prop_t prop)
222{
223	return (zpool_prop_table[prop].pd_values);
224}
225
226const char *
227zpool_prop_column_name(zpool_prop_t prop)
228{
229	return (zpool_prop_table[prop].pd_colname);
230}
231
232boolean_t
233zpool_prop_align_right(zpool_prop_t prop)
234{
235	return (zpool_prop_table[prop].pd_rightalign);
236}
237#endif
238