1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5441d80aaSlling * Common Development and Distribution License (the "License"). 6441d80aaSlling * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21f94275ceSAdam Leventhal 22fa9e4066Sahrens /* 2327dd1e87SMark Shellenbaum * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24187d6ac0SMatt Ahrens * Copyright (c) 2011 by Delphix. All rights reserved. 25*e9103aaeSGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 26fa9e4066Sahrens */ 27fa9e4066Sahrens 2855da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2955da60b9SMark J Musante 30fa9e4066Sahrens #ifndef _SYS_FS_ZFS_H 31fa9e4066Sahrens #define _SYS_FS_ZFS_H 32fa9e4066Sahrens 33842727c2SChris Kirby #include <sys/time.h> 34842727c2SChris Kirby 35fa9e4066Sahrens #ifdef __cplusplus 36fa9e4066Sahrens extern "C" { 37fa9e4066Sahrens #endif 38fa9e4066Sahrens 39fa9e4066Sahrens /* 40fa9e4066Sahrens * Types and constants shared between userland and the kernel. 41fa9e4066Sahrens */ 42fa9e4066Sahrens 43fa9e4066Sahrens /* 44fa9e4066Sahrens * Each dataset can be one of the following types. These constants can be 45fa9e4066Sahrens * combined into masks that can be passed to various functions. 46fa9e4066Sahrens */ 47fa9e4066Sahrens typedef enum { 48fa9e4066Sahrens ZFS_TYPE_FILESYSTEM = 0x1, 49fa9e4066Sahrens ZFS_TYPE_SNAPSHOT = 0x2, 50b1b8ab34Slling ZFS_TYPE_VOLUME = 0x4, 51b1b8ab34Slling ZFS_TYPE_POOL = 0x8 52fa9e4066Sahrens } zfs_type_t; 53fa9e4066Sahrens 54990b4856Slling #define ZFS_TYPE_DATASET \ 55fa9e4066Sahrens (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT) 56fa9e4066Sahrens 57478ed9adSEric Taylor #define ZAP_MAXNAMELEN 256 58478ed9adSEric Taylor #define ZAP_MAXVALUELEN (1024 * 8) 59478ed9adSEric Taylor #define ZAP_OLDMAXVALUELEN 1024 60478ed9adSEric Taylor 61fa9e4066Sahrens /* 62990b4856Slling * Dataset properties are identified by these constants and must be added to 63990b4856Slling * the end of this list to ensure that external consumers are not affected 64990b4856Slling * by the change. If you make any changes to this list, be sure to update 6566e2aaccSgw * the property table in usr/src/common/zfs/zfs_prop.c. 66fa9e4066Sahrens */ 67fa9e4066Sahrens typedef enum { 68fa9e4066Sahrens ZFS_PROP_TYPE, 69fa9e4066Sahrens ZFS_PROP_CREATION, 70fa9e4066Sahrens ZFS_PROP_USED, 71fa9e4066Sahrens ZFS_PROP_AVAILABLE, 72fa9e4066Sahrens ZFS_PROP_REFERENCED, 73fa9e4066Sahrens ZFS_PROP_COMPRESSRATIO, 74fa9e4066Sahrens ZFS_PROP_MOUNTED, 75fa9e4066Sahrens ZFS_PROP_ORIGIN, 76fa9e4066Sahrens ZFS_PROP_QUOTA, 77fa9e4066Sahrens ZFS_PROP_RESERVATION, 78fa9e4066Sahrens ZFS_PROP_VOLSIZE, 79fa9e4066Sahrens ZFS_PROP_VOLBLOCKSIZE, 80fa9e4066Sahrens ZFS_PROP_RECORDSIZE, 81fa9e4066Sahrens ZFS_PROP_MOUNTPOINT, 82fa9e4066Sahrens ZFS_PROP_SHARENFS, 83fa9e4066Sahrens ZFS_PROP_CHECKSUM, 84fa9e4066Sahrens ZFS_PROP_COMPRESSION, 85fa9e4066Sahrens ZFS_PROP_ATIME, 86fa9e4066Sahrens ZFS_PROP_DEVICES, 87fa9e4066Sahrens ZFS_PROP_EXEC, 88fa9e4066Sahrens ZFS_PROP_SETUID, 89fa9e4066Sahrens ZFS_PROP_READONLY, 90fa9e4066Sahrens ZFS_PROP_ZONED, 91fa9e4066Sahrens ZFS_PROP_SNAPDIR, 92a3c49ce1SAlbert Lee ZFS_PROP_ACLMODE, 93fa9e4066Sahrens ZFS_PROP_ACLINHERIT, 9466e2aaccSgw ZFS_PROP_CREATETXG, /* not exposed to the user */ 9566e2aaccSgw ZFS_PROP_NAME, /* not exposed to the user */ 96e9dbad6fSeschrock ZFS_PROP_CANMOUNT, 9766e2aaccSgw ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */ 987b55fa8eSck ZFS_PROP_XATTR, 99d0ad202dSahrens ZFS_PROP_NUMCLONES, /* not exposed to the user */ 100b1b8ab34Slling ZFS_PROP_COPIES, 101e7437265Sahrens ZFS_PROP_VERSION, 102da6c28aaSamw ZFS_PROP_UTF8ONLY, 103da6c28aaSamw ZFS_PROP_NORMALIZE, 104da6c28aaSamw ZFS_PROP_CASE, 105da6c28aaSamw ZFS_PROP_VSCAN, 106da6c28aaSamw ZFS_PROP_NBMAND, 107da6c28aaSamw ZFS_PROP_SHARESMB, 108a9799022Sck ZFS_PROP_REFQUOTA, 109a9799022Sck ZFS_PROP_REFRESERVATION, 110c5904d13Seschrock ZFS_PROP_GUID, 1113baa08fcSek ZFS_PROP_PRIMARYCACHE, 1123baa08fcSek ZFS_PROP_SECONDARYCACHE, 11374e7dc98SMatthew Ahrens ZFS_PROP_USEDSNAP, 11474e7dc98SMatthew Ahrens ZFS_PROP_USEDDS, 11574e7dc98SMatthew Ahrens ZFS_PROP_USEDCHILD, 11674e7dc98SMatthew Ahrens ZFS_PROP_USEDREFRESERV, 11714843421SMatthew Ahrens ZFS_PROP_USERACCOUNTING, /* not exposed to the user */ 118478ed9adSEric Taylor ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */ 119842727c2SChris Kirby ZFS_PROP_DEFER_DESTROY, 120842727c2SChris Kirby ZFS_PROP_USERREFS, 121e09fa4daSNeil Perrin ZFS_PROP_LOGBIAS, 1221d713200SEric Schrock ZFS_PROP_UNIQUE, /* not exposed to the user */ 1231d713200SEric Schrock ZFS_PROP_OBJSETID, /* not exposed to the user */ 124b24ab676SJeff Bonwick ZFS_PROP_DEDUP, 1254201a95eSRic Aleshire ZFS_PROP_MLSLABEL, 12655da60b9SMark J Musante ZFS_PROP_SYNC, 127187d6ac0SMatt Ahrens ZFS_PROP_REFRATIO, 12891ebeef5Sahrens ZFS_NUM_PROPS 129fa9e4066Sahrens } zfs_prop_t; 130fa9e4066Sahrens 13114843421SMatthew Ahrens typedef enum { 13214843421SMatthew Ahrens ZFS_PROP_USERUSED, 13314843421SMatthew Ahrens ZFS_PROP_USERQUOTA, 13414843421SMatthew Ahrens ZFS_PROP_GROUPUSED, 13514843421SMatthew Ahrens ZFS_PROP_GROUPQUOTA, 13614843421SMatthew Ahrens ZFS_NUM_USERQUOTA_PROPS 13714843421SMatthew Ahrens } zfs_userquota_prop_t; 13814843421SMatthew Ahrens 13914843421SMatthew Ahrens extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS]; 14014843421SMatthew Ahrens 141990b4856Slling /* 142990b4856Slling * Pool properties are identified by these constants and must be added to the 143b87f3af3Sperrin * end of this list to ensure that external consumers are not affected 144990b4856Slling * by the change. If you make any changes to this list, be sure to update 145990b4856Slling * the property table in usr/src/common/zfs/zpool_prop.c. 146990b4856Slling */ 147990b4856Slling typedef enum { 148990b4856Slling ZPOOL_PROP_NAME, 149990b4856Slling ZPOOL_PROP_SIZE, 150990b4856Slling ZPOOL_PROP_CAPACITY, 151990b4856Slling ZPOOL_PROP_ALTROOT, 152990b4856Slling ZPOOL_PROP_HEALTH, 153990b4856Slling ZPOOL_PROP_GUID, 154990b4856Slling ZPOOL_PROP_VERSION, 155990b4856Slling ZPOOL_PROP_BOOTFS, 156990b4856Slling ZPOOL_PROP_DELEGATION, 157990b4856Slling ZPOOL_PROP_AUTOREPLACE, 1582f8aaab3Seschrock ZPOOL_PROP_CACHEFILE, 1590a4e9518Sgw ZPOOL_PROP_FAILUREMODE, 160d5b5bb25SRich Morris ZPOOL_PROP_LISTSNAPS, 161573ca77eSGeorge Wilson ZPOOL_PROP_AUTOEXPAND, 162b24ab676SJeff Bonwick ZPOOL_PROP_DEDUPDITTO, 163b24ab676SJeff Bonwick ZPOOL_PROP_DEDUPRATIO, 164485bbbf5SGeorge Wilson ZPOOL_PROP_FREE, 165485bbbf5SGeorge Wilson ZPOOL_PROP_ALLOCATED, 166f9af39baSGeorge Wilson ZPOOL_PROP_READONLY, 167990b4856Slling ZPOOL_NUM_PROPS 168990b4856Slling } zpool_prop_t; 169b1b8ab34Slling 170990b4856Slling #define ZPROP_CONT -2 171990b4856Slling #define ZPROP_INVAL -1 1723d7072f8Seschrock 173990b4856Slling #define ZPROP_VALUE "value" 174990b4856Slling #define ZPROP_SOURCE "source" 1757f7322feSeschrock 176b1b8ab34Slling typedef enum { 177990b4856Slling ZPROP_SRC_NONE = 0x1, 178990b4856Slling ZPROP_SRC_DEFAULT = 0x2, 179990b4856Slling ZPROP_SRC_TEMPORARY = 0x4, 180990b4856Slling ZPROP_SRC_LOCAL = 0x8, 18192241e0bSTom Erickson ZPROP_SRC_INHERITED = 0x10, 18292241e0bSTom Erickson ZPROP_SRC_RECEIVED = 0x20 183990b4856Slling } zprop_source_t; 184990b4856Slling 18592241e0bSTom Erickson #define ZPROP_SRC_ALL 0x3f 18692241e0bSTom Erickson 18792241e0bSTom Erickson #define ZPROP_SOURCE_VAL_RECVD "$recvd" 18892241e0bSTom Erickson #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS" 18992241e0bSTom Erickson /* 19092241e0bSTom Erickson * Dataset flag implemented as a special entry in the props zap object 19192241e0bSTom Erickson * indicating that the dataset has received properties on or after 19292241e0bSTom Erickson * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties 19392241e0bSTom Erickson * just as it did in earlier versions, and thereafter, local properties are 19492241e0bSTom Erickson * preserved. 19592241e0bSTom Erickson */ 19692241e0bSTom Erickson #define ZPROP_HAS_RECVD "$hasrecvd" 19792241e0bSTom Erickson 19892241e0bSTom Erickson typedef enum { 19992241e0bSTom Erickson ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */ 20092241e0bSTom Erickson ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */ 20192241e0bSTom Erickson } zprop_errflags_t; 202990b4856Slling 203990b4856Slling typedef int (*zprop_func)(int, void *); 204990b4856Slling 2050a48a24eStimh /* 2060a48a24eStimh * Properties to be set on the root file system of a new pool 2070a48a24eStimh * are stuffed into their own nvlist, which is then included in 2080a48a24eStimh * the properties nvlist with the pool properties. 2090a48a24eStimh */ 2100a48a24eStimh #define ZPOOL_ROOTFS_PROPS "root-props-nvl" 2110a48a24eStimh 212990b4856Slling /* 213990b4856Slling * Dataset property functions shared between libzfs and kernel. 214990b4856Slling */ 215990b4856Slling const char *zfs_prop_default_string(zfs_prop_t); 216990b4856Slling uint64_t zfs_prop_default_numeric(zfs_prop_t); 217990b4856Slling boolean_t zfs_prop_readonly(zfs_prop_t); 218990b4856Slling boolean_t zfs_prop_inheritable(zfs_prop_t); 219da6c28aaSamw boolean_t zfs_prop_setonce(zfs_prop_t); 220990b4856Slling const char *zfs_prop_to_name(zfs_prop_t); 221990b4856Slling zfs_prop_t zfs_name_to_prop(const char *); 222990b4856Slling boolean_t zfs_prop_user(const char *); 22392241e0bSTom Erickson boolean_t zfs_prop_userquota(const char *); 224990b4856Slling int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **); 225990b4856Slling int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *); 226b24ab676SJeff Bonwick uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed); 2274853e976Sgw boolean_t zfs_prop_valid_for_type(int, zfs_type_t); 228b1b8ab34Slling 229990b4856Slling /* 230990b4856Slling * Pool property functions shared between libzfs and kernel. 231990b4856Slling */ 232990b4856Slling zpool_prop_t zpool_name_to_prop(const char *); 233990b4856Slling const char *zpool_prop_to_name(zpool_prop_t); 234990b4856Slling const char *zpool_prop_default_string(zpool_prop_t); 235990b4856Slling uint64_t zpool_prop_default_numeric(zpool_prop_t); 236990b4856Slling boolean_t zpool_prop_readonly(zpool_prop_t); 237990b4856Slling int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **); 238990b4856Slling int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *); 239b24ab676SJeff Bonwick uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed); 240b1b8ab34Slling 241990b4856Slling /* 242990b4856Slling * Definitions for the Delegation. 243990b4856Slling */ 244ecd6cf80Smarks typedef enum { 245ecd6cf80Smarks ZFS_DELEG_WHO_UNKNOWN = 0, 246ecd6cf80Smarks ZFS_DELEG_USER = 'u', 247ecd6cf80Smarks ZFS_DELEG_USER_SETS = 'U', 248ecd6cf80Smarks ZFS_DELEG_GROUP = 'g', 249ecd6cf80Smarks ZFS_DELEG_GROUP_SETS = 'G', 250ecd6cf80Smarks ZFS_DELEG_EVERYONE = 'e', 251ecd6cf80Smarks ZFS_DELEG_EVERYONE_SETS = 'E', 252ecd6cf80Smarks ZFS_DELEG_CREATE = 'c', 253ecd6cf80Smarks ZFS_DELEG_CREATE_SETS = 'C', 254ecd6cf80Smarks ZFS_DELEG_NAMED_SET = 's', 255ecd6cf80Smarks ZFS_DELEG_NAMED_SET_SETS = 'S' 256ecd6cf80Smarks } zfs_deleg_who_type_t; 257ecd6cf80Smarks 258ecd6cf80Smarks typedef enum { 259ecd6cf80Smarks ZFS_DELEG_NONE = 0, 260ecd6cf80Smarks ZFS_DELEG_PERM_LOCAL = 1, 261ecd6cf80Smarks ZFS_DELEG_PERM_DESCENDENT = 2, 262ecd6cf80Smarks ZFS_DELEG_PERM_LOCALDESCENDENT = 3, 263ecd6cf80Smarks ZFS_DELEG_PERM_CREATE = 4 264ecd6cf80Smarks } zfs_deleg_inherit_t; 265ecd6cf80Smarks 266ecd6cf80Smarks #define ZFS_DELEG_PERM_UID "uid" 267ecd6cf80Smarks #define ZFS_DELEG_PERM_GID "gid" 268ecd6cf80Smarks #define ZFS_DELEG_PERM_GROUPS "groups" 269ecd6cf80Smarks 2704201a95eSRic Aleshire #define ZFS_MLSLABEL_DEFAULT "none" 2714201a95eSRic Aleshire 272743a77edSAlan Wright #define ZFS_SMB_ACL_SRC "src" 273743a77edSAlan Wright #define ZFS_SMB_ACL_TARGET "target" 274743a77edSAlan Wright 275a227b7f4Shs typedef enum { 276a227b7f4Shs ZFS_CANMOUNT_OFF = 0, 277a227b7f4Shs ZFS_CANMOUNT_ON = 1, 278a227b7f4Shs ZFS_CANMOUNT_NOAUTO = 2 279a227b7f4Shs } zfs_canmount_type_t; 280a227b7f4Shs 281e09fa4daSNeil Perrin typedef enum { 282e09fa4daSNeil Perrin ZFS_LOGBIAS_LATENCY = 0, 283e09fa4daSNeil Perrin ZFS_LOGBIAS_THROUGHPUT = 1 284e09fa4daSNeil Perrin } zfs_logbias_op_t; 285e09fa4daSNeil Perrin 286da6c28aaSamw typedef enum zfs_share_op { 287da6c28aaSamw ZFS_SHARE_NFS = 0, 288da6c28aaSamw ZFS_UNSHARE_NFS = 1, 289da6c28aaSamw ZFS_SHARE_SMB = 2, 290da6c28aaSamw ZFS_UNSHARE_SMB = 3 291da6c28aaSamw } zfs_share_op_t; 292da6c28aaSamw 293743a77edSAlan Wright typedef enum zfs_smb_acl_op { 294743a77edSAlan Wright ZFS_SMB_ACL_ADD, 295743a77edSAlan Wright ZFS_SMB_ACL_REMOVE, 296743a77edSAlan Wright ZFS_SMB_ACL_RENAME, 297743a77edSAlan Wright ZFS_SMB_ACL_PURGE 298743a77edSAlan Wright } zfs_smb_acl_op_t; 299743a77edSAlan Wright 3003baa08fcSek typedef enum zfs_cache_type { 3013baa08fcSek ZFS_CACHE_NONE = 0, 3023baa08fcSek ZFS_CACHE_METADATA = 1, 3033baa08fcSek ZFS_CACHE_ALL = 2 3043baa08fcSek } zfs_cache_type_t; 3053baa08fcSek 30655da60b9SMark J Musante typedef enum { 30755da60b9SMark J Musante ZFS_SYNC_STANDARD = 0, 30855da60b9SMark J Musante ZFS_SYNC_ALWAYS = 1, 30955da60b9SMark J Musante ZFS_SYNC_DISABLED = 2 31055da60b9SMark J Musante } zfs_sync_type_t; 31155da60b9SMark J Musante 3123baa08fcSek 313eaca9bbdSeschrock /* 31499653d4eSeschrock * On-disk version number. 315eaca9bbdSeschrock */ 316e7437265Sahrens #define SPA_VERSION_1 1ULL 317e7437265Sahrens #define SPA_VERSION_2 2ULL 318e7437265Sahrens #define SPA_VERSION_3 3ULL 319e7437265Sahrens #define SPA_VERSION_4 4ULL 320e7437265Sahrens #define SPA_VERSION_5 5ULL 321e7437265Sahrens #define SPA_VERSION_6 6ULL 322e7437265Sahrens #define SPA_VERSION_7 7ULL 323e7437265Sahrens #define SPA_VERSION_8 8ULL 324da6c28aaSamw #define SPA_VERSION_9 9ULL 325fa94a07fSbrendan #define SPA_VERSION_10 10ULL 326088f3894Sahrens #define SPA_VERSION_11 11ULL 327bb0ade09Sahrens #define SPA_VERSION_12 12ULL 32874e7dc98SMatthew Ahrens #define SPA_VERSION_13 13ULL 329d0f3f37eSMark Shellenbaum #define SPA_VERSION_14 14ULL 33014843421SMatthew Ahrens #define SPA_VERSION_15 15ULL 331478ed9adSEric Taylor #define SPA_VERSION_16 16ULL 332f94275ceSAdam Leventhal #define SPA_VERSION_17 17ULL 333842727c2SChris Kirby #define SPA_VERSION_18 18ULL 33488ecc943SGeorge Wilson #define SPA_VERSION_19 19ULL 335b24ab676SJeff Bonwick #define SPA_VERSION_20 20ULL 336b24ab676SJeff Bonwick #define SPA_VERSION_21 21ULL 33792241e0bSTom Erickson #define SPA_VERSION_22 22ULL 3386e1f5caaSNeil Perrin #define SPA_VERSION_23 23ULL 3390a586ceaSMark Shellenbaum #define SPA_VERSION_24 24ULL 3403f9d6ad7SLin Ling #define SPA_VERSION_25 25ULL 341cde58dbcSMatthew Ahrens #define SPA_VERSION_26 26ULL 3426e0cbcaaSMatthew Ahrens #define SPA_VERSION_27 27ULL 343cb04b873SMark J Musante #define SPA_VERSION_28 28ULL 344cb04b873SMark J Musante 345b1b8ab34Slling /* 346e7cbe64fSgw * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk 347478ed9adSEric Taylor * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*}, 34814843421SMatthew Ahrens * and do the appropriate changes. Also bump the version number in 34914843421SMatthew Ahrens * usr/src/grub/capability. 350b1b8ab34Slling */ 351cb04b873SMark J Musante #define SPA_VERSION SPA_VERSION_28 352cb04b873SMark J Musante #define SPA_VERSION_STRING "28" 35344cd46caSbillm 35444cd46caSbillm /* 355e7437265Sahrens * Symbolic names for the changes that caused a SPA_VERSION switch. 35644cd46caSbillm * Used in the code when checking for presence or absence of a feature. 35744cd46caSbillm * Feel free to define multiple symbolic names for each version if there 35844cd46caSbillm * were multiple changes to on-disk structures during that version. 35944cd46caSbillm * 360e7437265Sahrens * NOTE: When checking the current SPA_VERSION in your code, be sure 36144cd46caSbillm * to use spa_version() since it reports the version of the 36244cd46caSbillm * last synced uberblock. Checking the in-flight version can 36344cd46caSbillm * be dangerous in some cases. 36444cd46caSbillm */ 365e7437265Sahrens #define SPA_VERSION_INITIAL SPA_VERSION_1 366e7437265Sahrens #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2 367e7437265Sahrens #define SPA_VERSION_SPARES SPA_VERSION_3 368f94275ceSAdam Leventhal #define SPA_VERSION_RAIDZ2 SPA_VERSION_3 369cde58dbcSMatthew Ahrens #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3 370e7437265Sahrens #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3 371e7437265Sahrens #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3 372e7437265Sahrens #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4 373e7437265Sahrens #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5 374e7437265Sahrens #define SPA_VERSION_BOOTFS SPA_VERSION_6 375990b4856Slling #define SPA_VERSION_SLOGS SPA_VERSION_7 376990b4856Slling #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8 377da6c28aaSamw #define SPA_VERSION_FUID SPA_VERSION_9 378a9799022Sck #define SPA_VERSION_REFRESERVATION SPA_VERSION_9 379a9799022Sck #define SPA_VERSION_REFQUOTA SPA_VERSION_9 380a9799022Sck #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 381fa94a07fSbrendan #define SPA_VERSION_L2CACHE SPA_VERSION_10 382088f3894Sahrens #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 383088f3894Sahrens #define SPA_VERSION_ORIGIN SPA_VERSION_11 384088f3894Sahrens #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 385bb0ade09Sahrens #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 38674e7dc98SMatthew Ahrens #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 387d0f3f37eSMark Shellenbaum #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 38814843421SMatthew Ahrens #define SPA_VERSION_USERSPACE SPA_VERSION_15 389478ed9adSEric Taylor #define SPA_VERSION_STMF_PROP SPA_VERSION_16 390f94275ceSAdam Leventhal #define SPA_VERSION_RAIDZ3 SPA_VERSION_17 391842727c2SChris Kirby #define SPA_VERSION_USERREFS SPA_VERSION_18 39288ecc943SGeorge Wilson #define SPA_VERSION_HOLES SPA_VERSION_19 393b24ab676SJeff Bonwick #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20 394b24ab676SJeff Bonwick #define SPA_VERSION_DEDUP SPA_VERSION_21 39592241e0bSTom Erickson #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22 3966e1f5caaSNeil Perrin #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23 3970a586ceaSMark Shellenbaum #define SPA_VERSION_SA SPA_VERSION_24 3983f9d6ad7SLin Ling #define SPA_VERSION_SCAN SPA_VERSION_25 399cde58dbcSMatthew Ahrens #define SPA_VERSION_DIR_CLONES SPA_VERSION_26 400cde58dbcSMatthew Ahrens #define SPA_VERSION_DEADLISTS SPA_VERSION_26 4016e0cbcaaSMatthew Ahrens #define SPA_VERSION_FAST_SNAP SPA_VERSION_27 402cb04b873SMark J Musante #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28 403e7437265Sahrens 404e7437265Sahrens /* 405e7437265Sahrens * ZPL version - rev'd whenever an incompatible on-disk format change 406e7437265Sahrens * occurs. This is independent of SPA/DMU/ZAP versioning. You must 407e7437265Sahrens * also update the version_table[] and help message in zfs_prop.c. 408e7437265Sahrens * 409e7437265Sahrens * When changing, be sure to teach GRUB how to read the new format! 410478ed9adSEric Taylor * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*} 411e7437265Sahrens */ 412e7437265Sahrens #define ZPL_VERSION_1 1ULL 413e7437265Sahrens #define ZPL_VERSION_2 2ULL 414da6c28aaSamw #define ZPL_VERSION_3 3ULL 41514843421SMatthew Ahrens #define ZPL_VERSION_4 4ULL 4160a586ceaSMark Shellenbaum #define ZPL_VERSION_5 5ULL 4170a586ceaSMark Shellenbaum #define ZPL_VERSION ZPL_VERSION_5 4180a586ceaSMark Shellenbaum #define ZPL_VERSION_STRING "5" 419e7437265Sahrens 420e7437265Sahrens #define ZPL_VERSION_INITIAL ZPL_VERSION_1 421e7437265Sahrens #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2 422da6c28aaSamw #define ZPL_VERSION_FUID ZPL_VERSION_3 423de8267e0Stimh #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3 424da6c28aaSamw #define ZPL_VERSION_SYSATTR ZPL_VERSION_3 42514843421SMatthew Ahrens #define ZPL_VERSION_USERSPACE ZPL_VERSION_4 4260a586ceaSMark Shellenbaum #define ZPL_VERSION_SA ZPL_VERSION_5 427eaca9bbdSeschrock 428468c413aSTim Haley /* Rewind request information */ 429c8ee1847SVictor Latushkin #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */ 430c8ee1847SVictor Latushkin #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */ 431c8ee1847SVictor Latushkin #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */ 432c8ee1847SVictor Latushkin #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */ 433c8ee1847SVictor Latushkin #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */ 434c8ee1847SVictor Latushkin #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */ 435c8ee1847SVictor Latushkin #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */ 436468c413aSTim Haley 437468c413aSTim Haley typedef struct zpool_rewind_policy { 438468c413aSTim Haley uint32_t zrp_request; /* rewind behavior requested */ 439c8ee1847SVictor Latushkin uint64_t zrp_maxmeta; /* max acceptable meta-data errors */ 440c8ee1847SVictor Latushkin uint64_t zrp_maxdata; /* max acceptable data errors */ 441468c413aSTim Haley uint64_t zrp_txg; /* specific txg to load */ 442468c413aSTim Haley } zpool_rewind_policy_t; 443468c413aSTim Haley 444fa9e4066Sahrens /* 445fa9e4066Sahrens * The following are configuration names used in the nvlist describing a pool's 446fa9e4066Sahrens * configuration. 447fa9e4066Sahrens */ 448fa9e4066Sahrens #define ZPOOL_CONFIG_VERSION "version" 449fa9e4066Sahrens #define ZPOOL_CONFIG_POOL_NAME "name" 450fa9e4066Sahrens #define ZPOOL_CONFIG_POOL_STATE "state" 451fa9e4066Sahrens #define ZPOOL_CONFIG_POOL_TXG "txg" 452fa9e4066Sahrens #define ZPOOL_CONFIG_POOL_GUID "pool_guid" 453fa9e4066Sahrens #define ZPOOL_CONFIG_CREATE_TXG "create_txg" 454fa9e4066Sahrens #define ZPOOL_CONFIG_TOP_GUID "top_guid" 455fa9e4066Sahrens #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" 456fa9e4066Sahrens #define ZPOOL_CONFIG_TYPE "type" 457fa9e4066Sahrens #define ZPOOL_CONFIG_CHILDREN "children" 458fa9e4066Sahrens #define ZPOOL_CONFIG_ID "id" 459fa9e4066Sahrens #define ZPOOL_CONFIG_GUID "guid" 460fa9e4066Sahrens #define ZPOOL_CONFIG_PATH "path" 461fa9e4066Sahrens #define ZPOOL_CONFIG_DEVID "devid" 462fa9e4066Sahrens #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" 463fa9e4066Sahrens #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" 464fa9e4066Sahrens #define ZPOOL_CONFIG_ASHIFT "ashift" 465fa9e4066Sahrens #define ZPOOL_CONFIG_ASIZE "asize" 466fa9e4066Sahrens #define ZPOOL_CONFIG_DTL "DTL" 4673f9d6ad7SLin Ling #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */ 4683f9d6ad7SLin Ling #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */ 469afefbcddSeschrock #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" 470ea8dc4b6Seschrock #define ZPOOL_CONFIG_ERRCOUNT "error_count" 471ea8dc4b6Seschrock #define ZPOOL_CONFIG_NOT_PRESENT "not_present" 47299653d4eSeschrock #define ZPOOL_CONFIG_SPARES "spares" 47399653d4eSeschrock #define ZPOOL_CONFIG_IS_SPARE "is_spare" 47499653d4eSeschrock #define ZPOOL_CONFIG_NPARITY "nparity" 47595173954Sek #define ZPOOL_CONFIG_HOSTID "hostid" 47695173954Sek #define ZPOOL_CONFIG_HOSTNAME "hostname" 47711027bc7STim Haley #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time" 4783d7072f8Seschrock #define ZPOOL_CONFIG_UNSPARE "unspare" 4793d7072f8Seschrock #define ZPOOL_CONFIG_PHYS_PATH "phys_path" 4808654d025Sperrin #define ZPOOL_CONFIG_IS_LOG "is_log" 481fa94a07fSbrendan #define ZPOOL_CONFIG_L2CACHE "l2cache" 48288ecc943SGeorge Wilson #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array" 48388ecc943SGeorge Wilson #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children" 48488ecc943SGeorge Wilson #define ZPOOL_CONFIG_IS_HOLE "is_hole" 4859eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram" 4869eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats" 4879eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_STATS "ddt_stats" 4881195e687SMark J Musante #define ZPOOL_CONFIG_SPLIT "splitcfg" 4891195e687SMark J Musante #define ZPOOL_CONFIG_ORIG_GUID "orig_guid" 4901195e687SMark J Musante #define ZPOOL_CONFIG_SPLIT_GUID "split_guid" 4911195e687SMark J Musante #define ZPOOL_CONFIG_SPLIT_LIST "guid_list" 4923f9d6ad7SLin Ling #define ZPOOL_CONFIG_REMOVING "removing" 493cb04b873SMark J Musante #define ZPOOL_CONFIG_RESILVERING "resilvering" 494e14bb325SJeff Bonwick #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ 495e7cbe64fSgw #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ 496e7cbe64fSgw #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */ 4974b964adaSGeorge Wilson #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */ 4984b964adaSGeorge Wilson #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */ 4993d7072f8Seschrock /* 5003d7072f8Seschrock * The persistent vdev state is stored as separate values rather than a single 5013d7072f8Seschrock * 'vdev_state' entry. This is because a device can be in multiple states, such 5023d7072f8Seschrock * as offline and degraded. 5033d7072f8Seschrock */ 5043d7072f8Seschrock #define ZPOOL_CONFIG_OFFLINE "offline" 5053d7072f8Seschrock #define ZPOOL_CONFIG_FAULTED "faulted" 5063d7072f8Seschrock #define ZPOOL_CONFIG_DEGRADED "degraded" 5073d7072f8Seschrock #define ZPOOL_CONFIG_REMOVED "removed" 5086809eb4eSEric Schrock #define ZPOOL_CONFIG_FRU "fru" 509069f55e2SEric Schrock #define ZPOOL_CONFIG_AUX_STATE "aux_state" 510fa9e4066Sahrens 511468c413aSTim Haley /* Rewind policy parameters */ 512468c413aSTim Haley #define ZPOOL_REWIND_POLICY "rewind-policy" 513468c413aSTim Haley #define ZPOOL_REWIND_REQUEST "rewind-request" 514468c413aSTim Haley #define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg" 515468c413aSTim Haley #define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh" 516468c413aSTim Haley #define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh" 517468c413aSTim Haley 518468c413aSTim Haley /* Rewind data discovered */ 519468c413aSTim Haley #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts" 520468c413aSTim Haley #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors" 521468c413aSTim Haley #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind" 522468c413aSTim Haley 523fa9e4066Sahrens #define VDEV_TYPE_ROOT "root" 524fa9e4066Sahrens #define VDEV_TYPE_MIRROR "mirror" 525fa9e4066Sahrens #define VDEV_TYPE_REPLACING "replacing" 526fa9e4066Sahrens #define VDEV_TYPE_RAIDZ "raidz" 527fa9e4066Sahrens #define VDEV_TYPE_DISK "disk" 528fa9e4066Sahrens #define VDEV_TYPE_FILE "file" 529fa9e4066Sahrens #define VDEV_TYPE_MISSING "missing" 53088ecc943SGeorge Wilson #define VDEV_TYPE_HOLE "hole" 53199653d4eSeschrock #define VDEV_TYPE_SPARE "spare" 5328654d025Sperrin #define VDEV_TYPE_LOG "log" 533fa94a07fSbrendan #define VDEV_TYPE_L2CACHE "l2cache" 534fa9e4066Sahrens 535fa9e4066Sahrens /* 536fa9e4066Sahrens * This is needed in userland to report the minimum necessary device size. 537fa9e4066Sahrens */ 538fa9e4066Sahrens #define SPA_MINDEVSIZE (64ULL << 20) 539fa9e4066Sahrens 540fa9e4066Sahrens /* 541fa9e4066Sahrens * The location of the pool configuration repository, shared between kernel and 542fa9e4066Sahrens * userland. 543fa9e4066Sahrens */ 544c5904d13Seschrock #define ZPOOL_CACHE "/etc/zfs/zpool.cache" 545fa9e4066Sahrens 546fa9e4066Sahrens /* 547fa9e4066Sahrens * vdev states are ordered from least to most healthy. 548fa9e4066Sahrens * A vdev that's CANT_OPEN or below is considered unusable. 549fa9e4066Sahrens */ 550fa9e4066Sahrens typedef enum vdev_state { 551fa9e4066Sahrens VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */ 552fa9e4066Sahrens VDEV_STATE_CLOSED, /* Not currently open */ 553fa9e4066Sahrens VDEV_STATE_OFFLINE, /* Not allowed to open */ 5543d7072f8Seschrock VDEV_STATE_REMOVED, /* Explicitly removed from system */ 555fa9e4066Sahrens VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */ 5563d7072f8Seschrock VDEV_STATE_FAULTED, /* External request to fault device */ 557fa9e4066Sahrens VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */ 558fa9e4066Sahrens VDEV_STATE_HEALTHY /* Presumed good */ 559fa9e4066Sahrens } vdev_state_t; 560fa9e4066Sahrens 5613d7072f8Seschrock #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY 5623d7072f8Seschrock 563fa9e4066Sahrens /* 564fa9e4066Sahrens * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field 565fa9e4066Sahrens * of the vdev stats structure uses these constants to distinguish why. 566fa9e4066Sahrens */ 567fa9e4066Sahrens typedef enum vdev_aux { 568fa9e4066Sahrens VDEV_AUX_NONE, /* no error */ 569fa9e4066Sahrens VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */ 570fa9e4066Sahrens VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */ 571fa9e4066Sahrens VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */ 572fa9e4066Sahrens VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */ 573fa9e4066Sahrens VDEV_AUX_TOO_SMALL, /* vdev size is too small */ 574eaca9bbdSeschrock VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */ 575eaca9bbdSeschrock VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */ 57699653d4eSeschrock VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */ 5773d7072f8Seschrock VDEV_AUX_SPARED, /* hot spare used in another pool */ 57832b87932Sek VDEV_AUX_ERR_EXCEEDED, /* too many errors */ 579b87f3af3Sperrin VDEV_AUX_IO_FAILURE, /* experienced I/O failure */ 580069f55e2SEric Schrock VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */ 5811195e687SMark J Musante VDEV_AUX_EXTERNAL, /* external diagnosis */ 5821195e687SMark J Musante VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */ 583fa9e4066Sahrens } vdev_aux_t; 584fa9e4066Sahrens 585fa9e4066Sahrens /* 58646a2abf2Seschrock * pool state. The following states are written to disk as part of the normal 587fa94a07fSbrendan * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining 588fa94a07fSbrendan * states are software abstractions used at various levels to communicate 589fa94a07fSbrendan * pool state. 590fa9e4066Sahrens */ 591fa9e4066Sahrens typedef enum pool_state { 592fa9e4066Sahrens POOL_STATE_ACTIVE = 0, /* In active use */ 593fa9e4066Sahrens POOL_STATE_EXPORTED, /* Explicitly exported */ 594fa9e4066Sahrens POOL_STATE_DESTROYED, /* Explicitly destroyed */ 59599653d4eSeschrock POOL_STATE_SPARE, /* Reserved for hot spare use */ 596fa94a07fSbrendan POOL_STATE_L2CACHE, /* Level 2 ARC device */ 597fa9e4066Sahrens POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ 59846a2abf2Seschrock POOL_STATE_UNAVAIL, /* Internal libzfs state */ 59946a2abf2Seschrock POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ 600fa9e4066Sahrens } pool_state_t; 601fa9e4066Sahrens 602fa9e4066Sahrens /* 6033f9d6ad7SLin Ling * Scan Functions. 604fa9e4066Sahrens */ 6053f9d6ad7SLin Ling typedef enum pool_scan_func { 6063f9d6ad7SLin Ling POOL_SCAN_NONE, 6073f9d6ad7SLin Ling POOL_SCAN_SCRUB, 6083f9d6ad7SLin Ling POOL_SCAN_RESILVER, 6093f9d6ad7SLin Ling POOL_SCAN_FUNCS 6103f9d6ad7SLin Ling } pool_scan_func_t; 611fa9e4066Sahrens 612fa9e4066Sahrens /* 613fa9e4066Sahrens * ZIO types. Needed to interpret vdev statistics below. 614fa9e4066Sahrens */ 615fa9e4066Sahrens typedef enum zio_type { 616fa9e4066Sahrens ZIO_TYPE_NULL = 0, 617fa9e4066Sahrens ZIO_TYPE_READ, 618fa9e4066Sahrens ZIO_TYPE_WRITE, 619fa9e4066Sahrens ZIO_TYPE_FREE, 620fa9e4066Sahrens ZIO_TYPE_CLAIM, 621fa9e4066Sahrens ZIO_TYPE_IOCTL, 622fa9e4066Sahrens ZIO_TYPES 623fa9e4066Sahrens } zio_type_t; 624fa9e4066Sahrens 6253f9d6ad7SLin Ling /* 6263f9d6ad7SLin Ling * Pool statistics. Note: all fields should be 64-bit because this 6273f9d6ad7SLin Ling * is passed between kernel and userland as an nvlist uint64 array. 6283f9d6ad7SLin Ling */ 6293f9d6ad7SLin Ling typedef struct pool_scan_stat { 6303f9d6ad7SLin Ling /* values stored on disk */ 6313f9d6ad7SLin Ling uint64_t pss_func; /* pool_scan_func_t */ 6323f9d6ad7SLin Ling uint64_t pss_state; /* dsl_scan_state_t */ 6333f9d6ad7SLin Ling uint64_t pss_start_time; /* scan start time */ 6343f9d6ad7SLin Ling uint64_t pss_end_time; /* scan end time */ 6353f9d6ad7SLin Ling uint64_t pss_to_examine; /* total bytes to scan */ 6363f9d6ad7SLin Ling uint64_t pss_examined; /* total examined bytes */ 6373f9d6ad7SLin Ling uint64_t pss_to_process; /* total bytes to process */ 6383f9d6ad7SLin Ling uint64_t pss_processed; /* total processed bytes */ 6393f9d6ad7SLin Ling uint64_t pss_errors; /* scan errors */ 6403f9d6ad7SLin Ling 6413f9d6ad7SLin Ling /* values not stored on disk */ 6423f9d6ad7SLin Ling uint64_t pss_pass_exam; /* examined bytes per scan pass */ 6433f9d6ad7SLin Ling uint64_t pss_pass_start; /* start time of a scan pass */ 6443f9d6ad7SLin Ling } pool_scan_stat_t; 6453f9d6ad7SLin Ling 6463f9d6ad7SLin Ling typedef enum dsl_scan_state { 6473f9d6ad7SLin Ling DSS_NONE, 6483f9d6ad7SLin Ling DSS_SCANNING, 6493f9d6ad7SLin Ling DSS_FINISHED, 6503f9d6ad7SLin Ling DSS_CANCELED, 6513f9d6ad7SLin Ling DSS_NUM_STATES 6523f9d6ad7SLin Ling } dsl_scan_state_t; 6533f9d6ad7SLin Ling 6543f9d6ad7SLin Ling 655fa9e4066Sahrens /* 656fa9e4066Sahrens * Vdev statistics. Note: all fields should be 64-bit because this 657fa9e4066Sahrens * is passed between kernel and userland as an nvlist uint64 array. 658fa9e4066Sahrens */ 659fa9e4066Sahrens typedef struct vdev_stat { 660fa9e4066Sahrens hrtime_t vs_timestamp; /* time since vdev load */ 661fa9e4066Sahrens uint64_t vs_state; /* vdev state */ 662fa9e4066Sahrens uint64_t vs_aux; /* see vdev_aux_t */ 663fa9e4066Sahrens uint64_t vs_alloc; /* space allocated */ 664fa9e4066Sahrens uint64_t vs_space; /* total capacity */ 66599653d4eSeschrock uint64_t vs_dspace; /* deflated capacity */ 6662a79c5feSlling uint64_t vs_rsize; /* replaceable dev size */ 667fa9e4066Sahrens uint64_t vs_ops[ZIO_TYPES]; /* operation count */ 668fa9e4066Sahrens uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */ 669fa9e4066Sahrens uint64_t vs_read_errors; /* read errors */ 670fa9e4066Sahrens uint64_t vs_write_errors; /* write errors */ 671fa9e4066Sahrens uint64_t vs_checksum_errors; /* checksum errors */ 672fa9e4066Sahrens uint64_t vs_self_healed; /* self-healed bytes */ 6733f9d6ad7SLin Ling uint64_t vs_scan_removing; /* removing? */ 6743f9d6ad7SLin Ling uint64_t vs_scan_processed; /* scan processed bytes */ 675fa9e4066Sahrens } vdev_stat_t; 676fa9e4066Sahrens 6779eb19f4dSGeorge Wilson /* 6789eb19f4dSGeorge Wilson * DDT statistics. Note: all fields should be 64-bit because this 6799eb19f4dSGeorge Wilson * is passed between kernel and userland as an nvlist uint64 array. 6809eb19f4dSGeorge Wilson */ 6819eb19f4dSGeorge Wilson typedef struct ddt_object { 6829eb19f4dSGeorge Wilson uint64_t ddo_count; /* number of elments in ddt */ 6839eb19f4dSGeorge Wilson uint64_t ddo_dspace; /* size of ddt on disk */ 6849eb19f4dSGeorge Wilson uint64_t ddo_mspace; /* size of ddt in-core */ 6859eb19f4dSGeorge Wilson } ddt_object_t; 6869eb19f4dSGeorge Wilson 6879eb19f4dSGeorge Wilson typedef struct ddt_stat { 6889eb19f4dSGeorge Wilson uint64_t dds_blocks; /* blocks */ 6899eb19f4dSGeorge Wilson uint64_t dds_lsize; /* logical size */ 6909eb19f4dSGeorge Wilson uint64_t dds_psize; /* physical size */ 6919eb19f4dSGeorge Wilson uint64_t dds_dsize; /* deflated allocated size */ 6929eb19f4dSGeorge Wilson uint64_t dds_ref_blocks; /* referenced blocks */ 6939eb19f4dSGeorge Wilson uint64_t dds_ref_lsize; /* referenced lsize * refcnt */ 6949eb19f4dSGeorge Wilson uint64_t dds_ref_psize; /* referenced psize * refcnt */ 6959eb19f4dSGeorge Wilson uint64_t dds_ref_dsize; /* referenced dsize * refcnt */ 6969eb19f4dSGeorge Wilson } ddt_stat_t; 6979eb19f4dSGeorge Wilson 6989eb19f4dSGeorge Wilson typedef struct ddt_histogram { 6999eb19f4dSGeorge Wilson ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */ 7009eb19f4dSGeorge Wilson } ddt_histogram_t; 7019eb19f4dSGeorge Wilson 702e7cbe64fSgw #define ZVOL_DRIVER "zvol" 703fa9e4066Sahrens #define ZFS_DRIVER "zfs" 704fa9e4066Sahrens #define ZFS_DEV "/dev/zfs" 705fa9e4066Sahrens 706681d9761SEric Taylor /* general zvol path */ 707681d9761SEric Taylor #define ZVOL_DIR "/dev/zvol" 708681d9761SEric Taylor /* expansion */ 709573ca77eSGeorge Wilson #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:" 710681d9761SEric Taylor /* for dump and swap */ 711681d9761SEric Taylor #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/" 712681d9761SEric Taylor #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/" 713fa9e4066Sahrens 714fa9e4066Sahrens #define ZVOL_PROP_NAME "name" 715c1449561SEric Taylor #define ZVOL_DEFAULT_BLOCKSIZE 8192 716fa9e4066Sahrens 717fa9e4066Sahrens /* 718fa9e4066Sahrens * /dev/zfs ioctl numbers. 719fa9e4066Sahrens */ 720fa9e4066Sahrens #define ZFS_IOC ('Z' << 8) 721fa9e4066Sahrens 722fa9e4066Sahrens typedef enum zfs_ioc { 723fa9e4066Sahrens ZFS_IOC_POOL_CREATE = ZFS_IOC, 724fa9e4066Sahrens ZFS_IOC_POOL_DESTROY, 725fa9e4066Sahrens ZFS_IOC_POOL_IMPORT, 726fa9e4066Sahrens ZFS_IOC_POOL_EXPORT, 727fa9e4066Sahrens ZFS_IOC_POOL_CONFIGS, 728fa9e4066Sahrens ZFS_IOC_POOL_STATS, 729fa9e4066Sahrens ZFS_IOC_POOL_TRYIMPORT, 7303f9d6ad7SLin Ling ZFS_IOC_POOL_SCAN, 731fa9e4066Sahrens ZFS_IOC_POOL_FREEZE, 732eaca9bbdSeschrock ZFS_IOC_POOL_UPGRADE, 73306eeb2adSek ZFS_IOC_POOL_GET_HISTORY, 734fa9e4066Sahrens ZFS_IOC_VDEV_ADD, 735fa9e4066Sahrens ZFS_IOC_VDEV_REMOVE, 7363d7072f8Seschrock ZFS_IOC_VDEV_SET_STATE, 737fa9e4066Sahrens ZFS_IOC_VDEV_ATTACH, 738fa9e4066Sahrens ZFS_IOC_VDEV_DETACH, 739c67d9675Seschrock ZFS_IOC_VDEV_SETPATH, 7406809eb4eSEric Schrock ZFS_IOC_VDEV_SETFRU, 741fa9e4066Sahrens ZFS_IOC_OBJSET_STATS, 742de8267e0Stimh ZFS_IOC_OBJSET_ZPLPROPS, 743fa9e4066Sahrens ZFS_IOC_DATASET_LIST_NEXT, 744fa9e4066Sahrens ZFS_IOC_SNAPSHOT_LIST_NEXT, 745fa9e4066Sahrens ZFS_IOC_SET_PROP, 746fa9e4066Sahrens ZFS_IOC_CREATE, 747fa9e4066Sahrens ZFS_IOC_DESTROY, 748fa9e4066Sahrens ZFS_IOC_ROLLBACK, 749fa9e4066Sahrens ZFS_IOC_RENAME, 7503cb34c60Sahrens ZFS_IOC_RECV, 7513cb34c60Sahrens ZFS_IOC_SEND, 752ea8dc4b6Seschrock ZFS_IOC_INJECT_FAULT, 753ea8dc4b6Seschrock ZFS_IOC_CLEAR_FAULT, 754ea8dc4b6Seschrock ZFS_IOC_INJECT_LIST_NEXT, 755ea8dc4b6Seschrock ZFS_IOC_ERROR_LOG, 756ea8dc4b6Seschrock ZFS_IOC_CLEAR, 7571d452cf5Sahrens ZFS_IOC_PROMOTE, 7588ac09fceSRichard Lowe ZFS_IOC_DESTROY_SNAPS, 75955434c77Sek ZFS_IOC_SNAPSHOT, 76055434c77Sek ZFS_IOC_DSOBJ_TO_DSNAME, 761b1b8ab34Slling ZFS_IOC_OBJ_TO_PATH, 762b1b8ab34Slling ZFS_IOC_POOL_SET_PROPS, 763ecd6cf80Smarks ZFS_IOC_POOL_GET_PROPS, 764ecd6cf80Smarks ZFS_IOC_SET_FSACL, 765ecd6cf80Smarks ZFS_IOC_GET_FSACL, 766e45ce728Sahrens ZFS_IOC_SHARE, 767743a77edSAlan Wright ZFS_IOC_INHERIT_PROP, 76814843421SMatthew Ahrens ZFS_IOC_SMB_ACL, 76914843421SMatthew Ahrens ZFS_IOC_USERSPACE_ONE, 77014843421SMatthew Ahrens ZFS_IOC_USERSPACE_MANY, 771842727c2SChris Kirby ZFS_IOC_USERSPACE_UPGRADE, 772842727c2SChris Kirby ZFS_IOC_HOLD, 773842727c2SChris Kirby ZFS_IOC_RELEASE, 77492241e0bSTom Erickson ZFS_IOC_GET_HOLDS, 7751195e687SMark J Musante ZFS_IOC_OBJSET_RECVD_PROPS, 77699d5e173STim Haley ZFS_IOC_VDEV_SPLIT, 77799d5e173STim Haley ZFS_IOC_NEXT_OBJ, 77899d5e173STim Haley ZFS_IOC_DIFF, 77999d5e173STim Haley ZFS_IOC_TMP_SNAPSHOT, 780*e9103aaeSGarrett D'Amore ZFS_IOC_OBJ_TO_STATS, 781*e9103aaeSGarrett D'Amore ZFS_IOC_POOL_REGUID 782fa9e4066Sahrens } zfs_ioc_t; 783fa9e4066Sahrens 784ea8dc4b6Seschrock /* 785ea8dc4b6Seschrock * Internal SPA load state. Used by FMA diagnosis engine. 786ea8dc4b6Seschrock */ 787ea8dc4b6Seschrock typedef enum { 7889eb19f4dSGeorge Wilson SPA_LOAD_NONE, /* no load in progress */ 7899eb19f4dSGeorge Wilson SPA_LOAD_OPEN, /* normal open */ 7909eb19f4dSGeorge Wilson SPA_LOAD_IMPORT, /* import in progress */ 791468c413aSTim Haley SPA_LOAD_TRYIMPORT, /* tryimport in progress */ 7929eb19f4dSGeorge Wilson SPA_LOAD_RECOVER, /* recovery requested */ 7939eb19f4dSGeorge Wilson SPA_LOAD_ERROR /* load failed */ 794ea8dc4b6Seschrock } spa_load_state_t; 795ea8dc4b6Seschrock 796e9dbad6fSeschrock /* 797e9dbad6fSeschrock * Bookmark name values. 798e9dbad6fSeschrock */ 79955434c77Sek #define ZPOOL_ERR_LIST "error list" 800e9dbad6fSeschrock #define ZPOOL_ERR_DATASET "dataset" 801e9dbad6fSeschrock #define ZPOOL_ERR_OBJECT "object" 802e9dbad6fSeschrock 80306eeb2adSek #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1) 80406eeb2adSek 80506eeb2adSek /* 80606eeb2adSek * The following are names used in the nvlist describing 80706eeb2adSek * the pool's history log. 80806eeb2adSek */ 80906eeb2adSek #define ZPOOL_HIST_RECORD "history record" 81006eeb2adSek #define ZPOOL_HIST_TIME "history time" 81106eeb2adSek #define ZPOOL_HIST_CMD "history command" 812ecd6cf80Smarks #define ZPOOL_HIST_WHO "history who" 813ecd6cf80Smarks #define ZPOOL_HIST_ZONE "history zone" 814ecd6cf80Smarks #define ZPOOL_HIST_HOST "history hostname" 815ecd6cf80Smarks #define ZPOOL_HIST_TXG "history txg" 816ecd6cf80Smarks #define ZPOOL_HIST_INT_EVENT "history internal event" 817ecd6cf80Smarks #define ZPOOL_HIST_INT_STR "history internal str" 81806eeb2adSek 8193d7072f8Seschrock /* 8203d7072f8Seschrock * Flags for ZFS_IOC_VDEV_SET_STATE 8213d7072f8Seschrock */ 8223d7072f8Seschrock #define ZFS_ONLINE_CHECKREMOVE 0x1 8233d7072f8Seschrock #define ZFS_ONLINE_UNSPARE 0x2 8243d7072f8Seschrock #define ZFS_ONLINE_FORCEFAULT 0x4 825573ca77eSGeorge Wilson #define ZFS_ONLINE_EXPAND 0x8 8263d7072f8Seschrock #define ZFS_OFFLINE_TEMPORARY 0x1 8273d7072f8Seschrock 8284b964adaSGeorge Wilson /* 8294b964adaSGeorge Wilson * Flags for ZFS_IOC_POOL_IMPORT 8304b964adaSGeorge Wilson */ 8314b964adaSGeorge Wilson #define ZFS_IMPORT_NORMAL 0x0 8324b964adaSGeorge Wilson #define ZFS_IMPORT_VERBATIM 0x1 8334b964adaSGeorge Wilson #define ZFS_IMPORT_ANY_HOST 0x2 8344b964adaSGeorge Wilson #define ZFS_IMPORT_MISSING_LOG 0x4 835f9af39baSGeorge Wilson #define ZFS_IMPORT_ONLY 0x8 8364b964adaSGeorge Wilson 8373d7072f8Seschrock /* 8383d7072f8Seschrock * Sysevent payload members. ZFS will generate the following sysevents with the 8393d7072f8Seschrock * given payloads: 8403d7072f8Seschrock * 8413d7072f8Seschrock * ESC_ZFS_RESILVER_START 8423d7072f8Seschrock * ESC_ZFS_RESILVER_END 8433d7072f8Seschrock * ESC_ZFS_POOL_DESTROY 844*e9103aaeSGarrett D'Amore * ESC_ZFS_POOL_REGUID 8453d7072f8Seschrock * 8463d7072f8Seschrock * ZFS_EV_POOL_NAME DATA_TYPE_STRING 8473d7072f8Seschrock * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 8483d7072f8Seschrock * 8493d7072f8Seschrock * ESC_ZFS_VDEV_REMOVE 8503d7072f8Seschrock * ESC_ZFS_VDEV_CLEAR 8513d7072f8Seschrock * ESC_ZFS_VDEV_CHECK 8523d7072f8Seschrock * 8533d7072f8Seschrock * ZFS_EV_POOL_NAME DATA_TYPE_STRING 8543d7072f8Seschrock * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 8553d7072f8Seschrock * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional) 8563d7072f8Seschrock * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64 8573d7072f8Seschrock */ 8583d7072f8Seschrock #define ZFS_EV_POOL_NAME "pool_name" 8593d7072f8Seschrock #define ZFS_EV_POOL_GUID "pool_guid" 8603d7072f8Seschrock #define ZFS_EV_VDEV_PATH "vdev_path" 8613d7072f8Seschrock #define ZFS_EV_VDEV_GUID "vdev_guid" 8623d7072f8Seschrock 863088f3894Sahrens /* 864088f3894Sahrens * Note: This is encoded on-disk, so new events must be added to the 865088f3894Sahrens * end, and unused events can not be removed. Be sure to edit 8668f18d1faSGeorge Wilson * libzfs_pool.c: hist_event_table[]. 867088f3894Sahrens */ 868ecd6cf80Smarks typedef enum history_internal_events { 869ecd6cf80Smarks LOG_NO_EVENT = 0, 870ecd6cf80Smarks LOG_POOL_CREATE, 871ecd6cf80Smarks LOG_POOL_VDEV_ADD, 872ecd6cf80Smarks LOG_POOL_REMOVE, 873ecd6cf80Smarks LOG_POOL_DESTROY, 874ecd6cf80Smarks LOG_POOL_EXPORT, 875ecd6cf80Smarks LOG_POOL_IMPORT, 876ecd6cf80Smarks LOG_POOL_VDEV_ATTACH, 877ecd6cf80Smarks LOG_POOL_VDEV_REPLACE, 878ecd6cf80Smarks LOG_POOL_VDEV_DETACH, 879ecd6cf80Smarks LOG_POOL_VDEV_ONLINE, 880ecd6cf80Smarks LOG_POOL_VDEV_OFFLINE, 881ecd6cf80Smarks LOG_POOL_UPGRADE, 882ecd6cf80Smarks LOG_POOL_CLEAR, 8833f9d6ad7SLin Ling LOG_POOL_SCAN, 884ecd6cf80Smarks LOG_POOL_PROPSET, 885ecd6cf80Smarks LOG_DS_CREATE, 886ecd6cf80Smarks LOG_DS_CLONE, 887ecd6cf80Smarks LOG_DS_DESTROY, 888ecd6cf80Smarks LOG_DS_DESTROY_BEGIN, 889ecd6cf80Smarks LOG_DS_INHERIT, 890ecd6cf80Smarks LOG_DS_PROPSET, 891ecd6cf80Smarks LOG_DS_QUOTA, 892ecd6cf80Smarks LOG_DS_PERM_UPDATE, 893ecd6cf80Smarks LOG_DS_PERM_REMOVE, 894ecd6cf80Smarks LOG_DS_PERM_WHO_REMOVE, 895ecd6cf80Smarks LOG_DS_PROMOTE, 896ecd6cf80Smarks LOG_DS_RECEIVE, 897ecd6cf80Smarks LOG_DS_RENAME, 898ecd6cf80Smarks LOG_DS_RESERVATION, 899ecd6cf80Smarks LOG_DS_REPLAY_INC_SYNC, 900ecd6cf80Smarks LOG_DS_REPLAY_FULL_SYNC, 901ecd6cf80Smarks LOG_DS_ROLLBACK, 902ecd6cf80Smarks LOG_DS_SNAPSHOT, 903e7437265Sahrens LOG_DS_UPGRADE, 904a9799022Sck LOG_DS_REFQUOTA, 905a9799022Sck LOG_DS_REFRESERV, 9063f9d6ad7SLin Ling LOG_POOL_SCAN_DONE, 907842727c2SChris Kirby LOG_DS_USER_HOLD, 908842727c2SChris Kirby LOG_DS_USER_RELEASE, 9091195e687SMark J Musante LOG_POOL_SPLIT, 910ecd6cf80Smarks LOG_END 911ecd6cf80Smarks } history_internal_events_t; 912ecd6cf80Smarks 913fa9e4066Sahrens #ifdef __cplusplus 914fa9e4066Sahrens } 915fa9e4066Sahrens #endif 916fa9e4066Sahrens 917fa9e4066Sahrens #endif /* _SYS_FS_ZFS_H */ 918