zpool_prop.c revision 269773
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 */ 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 43static zprop_desc_t zpool_prop_table[ZPOOL_NUM_PROPS]; 44 45zprop_desc_t * 46zpool_prop_get_table(void) 47{ 48 return (zpool_prop_table); 49} 50 51void 52zpool_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_FREEING, "freeing", 0, PROP_READONLY, 83 ZFS_TYPE_POOL, "<size>", "FREEING"); 84 zprop_register_number(ZPOOL_PROP_LEAKED, "leaked", 0, PROP_READONLY, 85 ZFS_TYPE_POOL, "<size>", "LEAKED"); 86 zprop_register_number(ZPOOL_PROP_ALLOCATED, "allocated", 0, 87 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "ALLOC"); 88 zprop_register_number(ZPOOL_PROP_EXPANDSZ, "expandsize", 0, 89 PROP_READONLY, ZFS_TYPE_POOL, "<size>", "EXPANDSZ"); 90 zprop_register_number(ZPOOL_PROP_FRAGMENTATION, "fragmentation", 0, 91 PROP_READONLY, ZFS_TYPE_POOL, "<percent>", "FRAG"); 92 zprop_register_number(ZPOOL_PROP_CAPACITY, "capacity", 0, PROP_READONLY, 93 ZFS_TYPE_POOL, "<size>", "CAP"); 94 zprop_register_number(ZPOOL_PROP_GUID, "guid", 0, PROP_READONLY, 95 ZFS_TYPE_POOL, "<guid>", "GUID"); 96 zprop_register_number(ZPOOL_PROP_HEALTH, "health", 0, PROP_READONLY, 97 ZFS_TYPE_POOL, "<state>", "HEALTH"); 98 zprop_register_number(ZPOOL_PROP_DEDUPRATIO, "dedupratio", 0, 99 PROP_READONLY, ZFS_TYPE_POOL, "<1.00x or higher if deduped>", 100 "DEDUP"); 101 102 /* default number properties */ 103 zprop_register_number(ZPOOL_PROP_VERSION, "version", SPA_VERSION, 104 PROP_DEFAULT, ZFS_TYPE_POOL, "<version>", "VERSION"); 105 zprop_register_number(ZPOOL_PROP_DEDUPDITTO, "dedupditto", 0, 106 PROP_DEFAULT, ZFS_TYPE_POOL, "<threshold (min 100)>", "DEDUPDITTO"); 107 108 /* default index (boolean) properties */ 109 zprop_register_index(ZPOOL_PROP_DELEGATION, "delegation", 1, 110 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "DELEGATION", 111 boolean_table); 112 zprop_register_index(ZPOOL_PROP_AUTOREPLACE, "autoreplace", 0, 113 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table); 114 zprop_register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0, 115 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "LISTSNAPS", 116 boolean_table); 117 zprop_register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0, 118 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table); 119 zprop_register_index(ZPOOL_PROP_READONLY, "readonly", 0, 120 PROP_DEFAULT, ZFS_TYPE_POOL, "on | off", "RDONLY", boolean_table); 121 122 /* default index properties */ 123 zprop_register_index(ZPOOL_PROP_FAILUREMODE, "failmode", 124 ZIO_FAILURE_MODE_WAIT, PROP_DEFAULT, ZFS_TYPE_POOL, 125 "wait | continue | panic", "FAILMODE", failuremode_table); 126 127 /* hidden properties */ 128 zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING, 129 PROP_READONLY, ZFS_TYPE_POOL, "NAME"); 130} 131 132/* 133 * Given a property name and its type, returns the corresponding property ID. 134 */ 135zpool_prop_t 136zpool_name_to_prop(const char *propname) 137{ 138 return (zprop_name_to_prop(propname, ZFS_TYPE_POOL)); 139} 140 141/* 142 * Given a pool property ID, returns the corresponding name. 143 * Assuming the pool propety ID is valid. 144 */ 145const char * 146zpool_prop_to_name(zpool_prop_t prop) 147{ 148 return (zpool_prop_table[prop].pd_name); 149} 150 151zprop_type_t 152zpool_prop_get_type(zpool_prop_t prop) 153{ 154 return (zpool_prop_table[prop].pd_proptype); 155} 156 157boolean_t 158zpool_prop_readonly(zpool_prop_t prop) 159{ 160 return (zpool_prop_table[prop].pd_attr == PROP_READONLY); 161} 162 163const char * 164zpool_prop_default_string(zpool_prop_t prop) 165{ 166 return (zpool_prop_table[prop].pd_strdefault); 167} 168 169uint64_t 170zpool_prop_default_numeric(zpool_prop_t prop) 171{ 172 return (zpool_prop_table[prop].pd_numdefault); 173} 174 175/* 176 * Returns true if this is a valid feature@ property. 177 */ 178boolean_t 179zpool_prop_feature(const char *name) 180{ 181 static const char *prefix = "feature@"; 182 return (strncmp(name, prefix, strlen(prefix)) == 0); 183} 184 185/* 186 * Returns true if this is a valid unsupported@ property. 187 */ 188boolean_t 189zpool_prop_unsupported(const char *name) 190{ 191 static const char *prefix = "unsupported@"; 192 return (strncmp(name, prefix, strlen(prefix)) == 0); 193} 194 195int 196zpool_prop_string_to_index(zpool_prop_t prop, const char *string, 197 uint64_t *index) 198{ 199 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_POOL)); 200} 201 202int 203zpool_prop_index_to_string(zpool_prop_t prop, uint64_t index, 204 const char **string) 205{ 206 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_POOL)); 207} 208 209uint64_t 210zpool_prop_random_value(zpool_prop_t prop, uint64_t seed) 211{ 212 return (zprop_random_value(prop, seed, ZFS_TYPE_POOL)); 213} 214 215#ifndef _KERNEL 216 217const char * 218zpool_prop_values(zpool_prop_t prop) 219{ 220 return (zpool_prop_table[prop].pd_values); 221} 222 223const char * 224zpool_prop_column_name(zpool_prop_t prop) 225{ 226 return (zpool_prop_table[prop].pd_colname); 227} 228 229boolean_t 230zpool_prop_align_right(zpool_prop_t prop) 231{ 232 return (zpool_prop_table[prop].pd_rightalign); 233} 234#endif 235