zpool_prop.c revision 333196
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 zprop_register_hidden(ZPOOL_PROP_TNAME, "tname", PROP_TYPE_STRING, 134 PROP_ONETIME, ZFS_TYPE_POOL, "TNAME"); 135} 136 137/* 138 * Given a property name and its type, returns the corresponding property ID. 139 */ 140zpool_prop_t 141zpool_name_to_prop(const char *propname) 142{ 143 return (zprop_name_to_prop(propname, ZFS_TYPE_POOL)); 144} 145 146/* 147 * Given a pool property ID, returns the corresponding name. 148 * Assuming the pool propety ID is valid. 149 */ 150const char * 151zpool_prop_to_name(zpool_prop_t prop) 152{ 153 return (zpool_prop_table[prop].pd_name); 154} 155 156zprop_type_t 157zpool_prop_get_type(zpool_prop_t prop) 158{ 159 return (zpool_prop_table[prop].pd_proptype); 160} 161 162boolean_t 163zpool_prop_readonly(zpool_prop_t prop) 164{ 165 return (zpool_prop_table[prop].pd_attr == PROP_READONLY); 166} 167 168const char * 169zpool_prop_default_string(zpool_prop_t prop) 170{ 171 return (zpool_prop_table[prop].pd_strdefault); 172} 173 174uint64_t 175zpool_prop_default_numeric(zpool_prop_t prop) 176{ 177 return (zpool_prop_table[prop].pd_numdefault); 178} 179 180/* 181 * Returns true if this is a valid feature@ property. 182 */ 183boolean_t 184zpool_prop_feature(const char *name) 185{ 186 static const char *prefix = "feature@"; 187 return (strncmp(name, prefix, strlen(prefix)) == 0); 188} 189 190/* 191 * Returns true if this is a valid unsupported@ property. 192 */ 193boolean_t 194zpool_prop_unsupported(const char *name) 195{ 196 static const char *prefix = "unsupported@"; 197 return (strncmp(name, prefix, strlen(prefix)) == 0); 198} 199 200int 201zpool_prop_string_to_index(zpool_prop_t prop, const char *string, 202 uint64_t *index) 203{ 204 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL)); 205} 206 207int 208zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index, 209 const char **string) 210{ 211 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL)); 212} 213 214uint64_t 215zpool_prop_random_value(zpool_prop_t prop, uint64_t seed) 216{ 217 return (zprop_random_value(prop, seed, ZFS_TYPE_POOL)); 218} 219 220#ifndef _KERNEL 221 222const char * 223zpool_prop_values(zpool_prop_t prop) 224{ 225 return (zpool_prop_table[prop].pd_values); 226} 227 228const char * 229zpool_prop_column_name(zpool_prop_t prop) 230{ 231 return (zpool_prop_table[prop].pd_colname); 232} 233 234boolean_t 235zpool_prop_align_right(zpool_prop_t prop) 236{ 237 return (zpool_prop_table[prop].pd_rightalign); 238} 239#endif 240