usr/src/common/zfs/zpool_prop.c

   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
  44 static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS];
  45
  46 zprop_desc_t *
  47 zpool_prop_get_table(void)
  48 {
  49         return (zpool_prop_table);
  50 }
  51
  52 void
  53 zpool_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         /* system partition size */
 104         zprop_register_number(ZPOOL_PROP_BOOTSIZE, "bootsize", 0, PROP_ONETIME,
 105             ZFS_TYPE_POOL, "<size>", "BOOTSIZE");
 106
 107         /* default number properties */
 108         zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION,
 109             PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION");
 110         zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0,
 111             PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO");
 112
 113         /* default index (boolean) properties */
 114         zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1,
 115             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION",
 116             boolean_table);
 117         zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0,
 118             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
 119         zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0,
 120             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS",
 121             boolean_table);
 122         zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0,
 123             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
 124         zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0,
 125             PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table);
 126
 127         /* default index properties */
 128         zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
 129             ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL,
 130             "wait | continue | panic", "FAILMODE", failuremode_table);
 131
 132         /* hidden properties */
 133         zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
 134             PROP_READONLY, ZFS_TYPE_POOL, "NAME");
 135         zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize",
 136             PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE");
 137 }
 138
 139 /*
 140  * Given a property name and its type, returns the corresponding property ID.
 141  */
 142 zpool_prop_t
 143 zpool_name_to_prop(const char *propname)
 144 {
 145         return (zprop_name_to_prop(propname, ZFS_TYPE_POOL));
 146 }
 147
 148 /*
 149  * Given a pool property ID, returns the corresponding name.
 150  * Assuming the pool propety ID is valid.
 151  */
 152 const char *
 153 zpool_prop_to_name(zpool_prop_t prop)
 154 {
 155         return (zpool_prop_table[prop].pd_name);
 156 }
 157
 158 zprop_type_t
 159 zpool_prop_get_type(zpool_prop_t prop)
 160 {
 161         return (zpool_prop_table[prop].pd_proptype);
 162 }
 163
 164 boolean_t
 165 zpool_prop_readonly(zpool_prop_t prop)
 166 {
 167         return (zpool_prop_table[prop].pd_attr == PROP_READONLY);
 168 }
 169
 170 const char *
 171 zpool_prop_default_string(zpool_prop_t prop)
 172 {
 173         return (zpool_prop_table[prop].pd_strdefault);
 174 }
 175
 176 uint64_t
 177 zpool_prop_default_numeric(zpool_prop_t prop)
 178 {
 179         return (zpool_prop_table[prop].pd_numdefault);
 180 }
 181
 182 /*
 183  * Returns true if this is a valid feature@ property.
 184  */
 185 boolean_t
 186 zpool_prop_feature(const char *name)
 187 {
 188         static const char *prefix = "feature@";
 189         return (strncmp(name, prefix, strlen(prefix)) == 0);
 190 }
 191
 192 /*
 193  * Returns true if this is a valid unsupported@ property.
 194  */
 195 boolean_t
 196 zpool_prop_unsupported(const char *name)
 197 {
 198         static const char *prefix = "unsupported@";
 199         return (strncmp(name, prefix, strlen(prefix)) == 0);
 200 }
 201
 202 int
 203 zpool_prop_string_to_index(zpool_prop_t prop, const char *string,
 204     uint64_t *index)
 205 {
 206         return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL));
 207 }
 208
 209 int
 210 zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index,
 211     const char **string)
 212 {
 213         return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL));
 214 }
 215
 216 uint64_t
 217 zpool_prop_random_value(zpool_prop_t prop, uint64_t seed)
 218 {
 219         return (zprop_random_value(prop, seed, ZFS_TYPE_POOL));
 220 }
 221
 222 #ifndef _KERNEL
 223
 224 const char *
 225 zpool_prop_values(zpool_prop_t prop)
 226 {
 227         return (zpool_prop_table[prop].pd_values);
 228 }
 229
 230 const char *
 231 zpool_prop_column_name(zpool_prop_t prop)
 232 {
 233         return (zpool_prop_table[prop].pd_colname);
 234 }
 235
 236 boolean_t
 237 zpool_prop_align_right(zpool_prop_t prop)
 238 {
 239         return (zpool_prop_table[prop].pd_rightalign);
 240 }
 241 #endif