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. 244263d13fSGeorge Wilson * Copyright (c) 2012 by Delphix. All rights reserved. 25e9103aaeSGarrett D'Amore * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 264e3c9f44SBill Pijewski * Copyright (c) 2012, Joyent, Inc. All rights reserved. 27fa9e4066Sahrens */ 28fa9e4066Sahrens 2955da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 3055da60b9SMark J Musante 31fa9e4066Sahrens #ifndef _SYS_FS_ZFS_H 32fa9e4066Sahrens #define _SYS_FS_ZFS_H 33fa9e4066Sahrens 34842727c2SChris Kirby #include <sys/time.h> 35842727c2SChris Kirby 36fa9e4066Sahrens #ifdef __cplusplus 37fa9e4066Sahrens extern "C" { 38fa9e4066Sahrens #endif 39fa9e4066Sahrens 40fa9e4066Sahrens /* 41fa9e4066Sahrens * Types and constants shared between userland and the kernel. 42fa9e4066Sahrens */ 43fa9e4066Sahrens 44fa9e4066Sahrens /* 45fa9e4066Sahrens * Each dataset can be one of the following types. These constants can be 46fa9e4066Sahrens * combined into masks that can be passed to various functions. 47fa9e4066Sahrens */ 48fa9e4066Sahrens typedef enum { 49fa9e4066Sahrens ZFS_TYPE_FILESYSTEM = 0x1, 50fa9e4066Sahrens ZFS_TYPE_SNAPSHOT = 0x2, 51b1b8ab34Slling ZFS_TYPE_VOLUME = 0x4, 52b1b8ab34Slling ZFS_TYPE_POOL = 0x8 53fa9e4066Sahrens } zfs_type_t; 54fa9e4066Sahrens 554445fffbSMatthew Ahrens typedef enum dmu_objset_type { 564445fffbSMatthew Ahrens DMU_OST_NONE, 574445fffbSMatthew Ahrens DMU_OST_META, 584445fffbSMatthew Ahrens DMU_OST_ZFS, 594445fffbSMatthew Ahrens DMU_OST_ZVOL, 604445fffbSMatthew Ahrens DMU_OST_OTHER, /* For testing only! */ 614445fffbSMatthew Ahrens DMU_OST_ANY, /* Be careful! */ 624445fffbSMatthew Ahrens DMU_OST_NUMTYPES 634445fffbSMatthew Ahrens } dmu_objset_type_t; 644445fffbSMatthew Ahrens 65990b4856Slling #define ZFS_TYPE_DATASET \ 66fa9e4066Sahrens (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT) 67fa9e4066Sahrens 68478ed9adSEric Taylor #define ZAP_MAXNAMELEN 256 69478ed9adSEric Taylor #define ZAP_MAXVALUELEN (1024 * 8) 70478ed9adSEric Taylor #define ZAP_OLDMAXVALUELEN 1024 71478ed9adSEric Taylor 72fa9e4066Sahrens /* 73990b4856Slling * Dataset properties are identified by these constants and must be added to 74990b4856Slling * the end of this list to ensure that external consumers are not affected 75990b4856Slling * by the change. If you make any changes to this list, be sure to update 7666e2aaccSgw * the property table in usr/src/common/zfs/zfs_prop.c. 77fa9e4066Sahrens */ 78fa9e4066Sahrens typedef enum { 79fa9e4066Sahrens ZFS_PROP_TYPE, 80fa9e4066Sahrens ZFS_PROP_CREATION, 81fa9e4066Sahrens ZFS_PROP_USED, 82fa9e4066Sahrens ZFS_PROP_AVAILABLE, 83fa9e4066Sahrens ZFS_PROP_REFERENCED, 84fa9e4066Sahrens ZFS_PROP_COMPRESSRATIO, 85fa9e4066Sahrens ZFS_PROP_MOUNTED, 86fa9e4066Sahrens ZFS_PROP_ORIGIN, 87fa9e4066Sahrens ZFS_PROP_QUOTA, 88fa9e4066Sahrens ZFS_PROP_RESERVATION, 89fa9e4066Sahrens ZFS_PROP_VOLSIZE, 90fa9e4066Sahrens ZFS_PROP_VOLBLOCKSIZE, 91fa9e4066Sahrens ZFS_PROP_RECORDSIZE, 92fa9e4066Sahrens ZFS_PROP_MOUNTPOINT, 93fa9e4066Sahrens ZFS_PROP_SHARENFS, 94fa9e4066Sahrens ZFS_PROP_CHECKSUM, 95fa9e4066Sahrens ZFS_PROP_COMPRESSION, 96fa9e4066Sahrens ZFS_PROP_ATIME, 97fa9e4066Sahrens ZFS_PROP_DEVICES, 98fa9e4066Sahrens ZFS_PROP_EXEC, 99fa9e4066Sahrens ZFS_PROP_SETUID, 100fa9e4066Sahrens ZFS_PROP_READONLY, 101fa9e4066Sahrens ZFS_PROP_ZONED, 102fa9e4066Sahrens ZFS_PROP_SNAPDIR, 103a3c49ce1SAlbert Lee ZFS_PROP_ACLMODE, 104fa9e4066Sahrens ZFS_PROP_ACLINHERIT, 10566e2aaccSgw ZFS_PROP_CREATETXG, /* not exposed to the user */ 10666e2aaccSgw ZFS_PROP_NAME, /* not exposed to the user */ 107e9dbad6fSeschrock ZFS_PROP_CANMOUNT, 10866e2aaccSgw ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */ 1097b55fa8eSck ZFS_PROP_XATTR, 110d0ad202dSahrens ZFS_PROP_NUMCLONES, /* not exposed to the user */ 111b1b8ab34Slling ZFS_PROP_COPIES, 112e7437265Sahrens ZFS_PROP_VERSION, 113da6c28aaSamw ZFS_PROP_UTF8ONLY, 114da6c28aaSamw ZFS_PROP_NORMALIZE, 115da6c28aaSamw ZFS_PROP_CASE, 116da6c28aaSamw ZFS_PROP_VSCAN, 117da6c28aaSamw ZFS_PROP_NBMAND, 118da6c28aaSamw ZFS_PROP_SHARESMB, 119a9799022Sck ZFS_PROP_REFQUOTA, 120a9799022Sck ZFS_PROP_REFRESERVATION, 121c5904d13Seschrock ZFS_PROP_GUID, 1223baa08fcSek ZFS_PROP_PRIMARYCACHE, 1233baa08fcSek ZFS_PROP_SECONDARYCACHE, 12474e7dc98SMatthew Ahrens ZFS_PROP_USEDSNAP, 12574e7dc98SMatthew Ahrens ZFS_PROP_USEDDS, 12674e7dc98SMatthew Ahrens ZFS_PROP_USEDCHILD, 12774e7dc98SMatthew Ahrens ZFS_PROP_USEDREFRESERV, 12814843421SMatthew Ahrens ZFS_PROP_USERACCOUNTING, /* not exposed to the user */ 129478ed9adSEric Taylor ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */ 130842727c2SChris Kirby ZFS_PROP_DEFER_DESTROY, 131842727c2SChris Kirby ZFS_PROP_USERREFS, 132e09fa4daSNeil Perrin ZFS_PROP_LOGBIAS, 1331d713200SEric Schrock ZFS_PROP_UNIQUE, /* not exposed to the user */ 1341d713200SEric Schrock ZFS_PROP_OBJSETID, /* not exposed to the user */ 135b24ab676SJeff Bonwick ZFS_PROP_DEDUP, 1364201a95eSRic Aleshire ZFS_PROP_MLSLABEL, 13755da60b9SMark J Musante ZFS_PROP_SYNC, 138187d6ac0SMatt Ahrens ZFS_PROP_REFRATIO, 13919b94df9SMatthew Ahrens ZFS_PROP_WRITTEN, 14019b94df9SMatthew Ahrens ZFS_PROP_CLONES, 141*77372cb0SMatthew Ahrens ZFS_PROP_LOGICALUSED, 142*77372cb0SMatthew Ahrens ZFS_PROP_LOGICALREFERENCED, 14391ebeef5Sahrens ZFS_NUM_PROPS 144fa9e4066Sahrens } zfs_prop_t; 145fa9e4066Sahrens 14614843421SMatthew Ahrens typedef enum { 14714843421SMatthew Ahrens ZFS_PROP_USERUSED, 14814843421SMatthew Ahrens ZFS_PROP_USERQUOTA, 14914843421SMatthew Ahrens ZFS_PROP_GROUPUSED, 15014843421SMatthew Ahrens ZFS_PROP_GROUPQUOTA, 15114843421SMatthew Ahrens ZFS_NUM_USERQUOTA_PROPS 15214843421SMatthew Ahrens } zfs_userquota_prop_t; 15314843421SMatthew Ahrens 15414843421SMatthew Ahrens extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS]; 15514843421SMatthew Ahrens 156990b4856Slling /* 157990b4856Slling * Pool properties are identified by these constants and must be added to the 158b87f3af3Sperrin * end of this list to ensure that external consumers are not affected 159990b4856Slling * by the change. If you make any changes to this list, be sure to update 160990b4856Slling * the property table in usr/src/common/zfs/zpool_prop.c. 161990b4856Slling */ 162990b4856Slling typedef enum { 163990b4856Slling ZPOOL_PROP_NAME, 164990b4856Slling ZPOOL_PROP_SIZE, 165990b4856Slling ZPOOL_PROP_CAPACITY, 166990b4856Slling ZPOOL_PROP_ALTROOT, 167990b4856Slling ZPOOL_PROP_HEALTH, 168990b4856Slling ZPOOL_PROP_GUID, 169990b4856Slling ZPOOL_PROP_VERSION, 170990b4856Slling ZPOOL_PROP_BOOTFS, 171990b4856Slling ZPOOL_PROP_DELEGATION, 172990b4856Slling ZPOOL_PROP_AUTOREPLACE, 1732f8aaab3Seschrock ZPOOL_PROP_CACHEFILE, 1740a4e9518Sgw ZPOOL_PROP_FAILUREMODE, 175d5b5bb25SRich Morris ZPOOL_PROP_LISTSNAPS, 176573ca77eSGeorge Wilson ZPOOL_PROP_AUTOEXPAND, 177b24ab676SJeff Bonwick ZPOOL_PROP_DEDUPDITTO, 178b24ab676SJeff Bonwick ZPOOL_PROP_DEDUPRATIO, 179485bbbf5SGeorge Wilson ZPOOL_PROP_FREE, 180485bbbf5SGeorge Wilson ZPOOL_PROP_ALLOCATED, 181f9af39baSGeorge Wilson ZPOOL_PROP_READONLY, 1828704186eSDan McDonald ZPOOL_PROP_COMMENT, 1834263d13fSGeorge Wilson ZPOOL_PROP_EXPANDSZ, 184ad135b5dSChristopher Siden ZPOOL_PROP_FREEING, 185990b4856Slling ZPOOL_NUM_PROPS 186990b4856Slling } zpool_prop_t; 187b1b8ab34Slling 1888704186eSDan McDonald /* Small enough to not hog a whole line of printout in zpool(1M). */ 1898704186eSDan McDonald #define ZPROP_MAX_COMMENT 32 1908704186eSDan McDonald 191990b4856Slling #define ZPROP_CONT -2 192990b4856Slling #define ZPROP_INVAL -1 1933d7072f8Seschrock 194990b4856Slling #define ZPROP_VALUE "value" 195990b4856Slling #define ZPROP_SOURCE "source" 1967f7322feSeschrock 197b1b8ab34Slling typedef enum { 198990b4856Slling ZPROP_SRC_NONE = 0x1, 199990b4856Slling ZPROP_SRC_DEFAULT = 0x2, 200990b4856Slling ZPROP_SRC_TEMPORARY = 0x4, 201990b4856Slling ZPROP_SRC_LOCAL = 0x8, 20292241e0bSTom Erickson ZPROP_SRC_INHERITED = 0x10, 20392241e0bSTom Erickson ZPROP_SRC_RECEIVED = 0x20 204990b4856Slling } zprop_source_t; 205990b4856Slling 20692241e0bSTom Erickson #define ZPROP_SRC_ALL 0x3f 20792241e0bSTom Erickson 20892241e0bSTom Erickson #define ZPROP_SOURCE_VAL_RECVD "$recvd" 20992241e0bSTom Erickson #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS" 21092241e0bSTom Erickson /* 21192241e0bSTom Erickson * Dataset flag implemented as a special entry in the props zap object 21292241e0bSTom Erickson * indicating that the dataset has received properties on or after 21392241e0bSTom Erickson * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties 21492241e0bSTom Erickson * just as it did in earlier versions, and thereafter, local properties are 21592241e0bSTom Erickson * preserved. 21692241e0bSTom Erickson */ 21792241e0bSTom Erickson #define ZPROP_HAS_RECVD "$hasrecvd" 21892241e0bSTom Erickson 21992241e0bSTom Erickson typedef enum { 22092241e0bSTom Erickson ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */ 22192241e0bSTom Erickson ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */ 22292241e0bSTom Erickson } zprop_errflags_t; 223990b4856Slling 224990b4856Slling typedef int (*zprop_func)(int, void *); 225990b4856Slling 2260a48a24eStimh /* 2270a48a24eStimh * Properties to be set on the root file system of a new pool 2280a48a24eStimh * are stuffed into their own nvlist, which is then included in 2290a48a24eStimh * the properties nvlist with the pool properties. 2300a48a24eStimh */ 2310a48a24eStimh #define ZPOOL_ROOTFS_PROPS "root-props-nvl" 2320a48a24eStimh 233990b4856Slling /* 234990b4856Slling * Dataset property functions shared between libzfs and kernel. 235990b4856Slling */ 236990b4856Slling const char *zfs_prop_default_string(zfs_prop_t); 237990b4856Slling uint64_t zfs_prop_default_numeric(zfs_prop_t); 238990b4856Slling boolean_t zfs_prop_readonly(zfs_prop_t); 239990b4856Slling boolean_t zfs_prop_inheritable(zfs_prop_t); 240da6c28aaSamw boolean_t zfs_prop_setonce(zfs_prop_t); 241990b4856Slling const char *zfs_prop_to_name(zfs_prop_t); 242990b4856Slling zfs_prop_t zfs_name_to_prop(const char *); 243990b4856Slling boolean_t zfs_prop_user(const char *); 24492241e0bSTom Erickson boolean_t zfs_prop_userquota(const char *); 24519b94df9SMatthew Ahrens boolean_t zfs_prop_written(const char *); 246990b4856Slling int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **); 247990b4856Slling int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *); 248b24ab676SJeff Bonwick uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed); 2494853e976Sgw boolean_t zfs_prop_valid_for_type(int, zfs_type_t); 250b1b8ab34Slling 251990b4856Slling /* 252990b4856Slling * Pool property functions shared between libzfs and kernel. 253990b4856Slling */ 254990b4856Slling zpool_prop_t zpool_name_to_prop(const char *); 255990b4856Slling const char *zpool_prop_to_name(zpool_prop_t); 256990b4856Slling const char *zpool_prop_default_string(zpool_prop_t); 257990b4856Slling uint64_t zpool_prop_default_numeric(zpool_prop_t); 258990b4856Slling boolean_t zpool_prop_readonly(zpool_prop_t); 259ad135b5dSChristopher Siden boolean_t zpool_prop_feature(const char *); 260ad135b5dSChristopher Siden boolean_t zpool_prop_unsupported(const char *name); 261990b4856Slling int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **); 262990b4856Slling int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *); 263b24ab676SJeff Bonwick uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed); 264b1b8ab34Slling 265990b4856Slling /* 266990b4856Slling * Definitions for the Delegation. 267990b4856Slling */ 268ecd6cf80Smarks typedef enum { 269ecd6cf80Smarks ZFS_DELEG_WHO_UNKNOWN = 0, 270ecd6cf80Smarks ZFS_DELEG_USER = 'u', 271ecd6cf80Smarks ZFS_DELEG_USER_SETS = 'U', 272ecd6cf80Smarks ZFS_DELEG_GROUP = 'g', 273ecd6cf80Smarks ZFS_DELEG_GROUP_SETS = 'G', 274ecd6cf80Smarks ZFS_DELEG_EVERYONE = 'e', 275ecd6cf80Smarks ZFS_DELEG_EVERYONE_SETS = 'E', 276ecd6cf80Smarks ZFS_DELEG_CREATE = 'c', 277ecd6cf80Smarks ZFS_DELEG_CREATE_SETS = 'C', 278ecd6cf80Smarks ZFS_DELEG_NAMED_SET = 's', 279ecd6cf80Smarks ZFS_DELEG_NAMED_SET_SETS = 'S' 280ecd6cf80Smarks } zfs_deleg_who_type_t; 281ecd6cf80Smarks 282ecd6cf80Smarks typedef enum { 283ecd6cf80Smarks ZFS_DELEG_NONE = 0, 284ecd6cf80Smarks ZFS_DELEG_PERM_LOCAL = 1, 285ecd6cf80Smarks ZFS_DELEG_PERM_DESCENDENT = 2, 286ecd6cf80Smarks ZFS_DELEG_PERM_LOCALDESCENDENT = 3, 287ecd6cf80Smarks ZFS_DELEG_PERM_CREATE = 4 288ecd6cf80Smarks } zfs_deleg_inherit_t; 289ecd6cf80Smarks 290ecd6cf80Smarks #define ZFS_DELEG_PERM_UID "uid" 291ecd6cf80Smarks #define ZFS_DELEG_PERM_GID "gid" 292ecd6cf80Smarks #define ZFS_DELEG_PERM_GROUPS "groups" 293ecd6cf80Smarks 2944201a95eSRic Aleshire #define ZFS_MLSLABEL_DEFAULT "none" 2954201a95eSRic Aleshire 296743a77edSAlan Wright #define ZFS_SMB_ACL_SRC "src" 297743a77edSAlan Wright #define ZFS_SMB_ACL_TARGET "target" 298743a77edSAlan Wright 299a227b7f4Shs typedef enum { 300a227b7f4Shs ZFS_CANMOUNT_OFF = 0, 301a227b7f4Shs ZFS_CANMOUNT_ON = 1, 302a227b7f4Shs ZFS_CANMOUNT_NOAUTO = 2 303a227b7f4Shs } zfs_canmount_type_t; 304a227b7f4Shs 305e09fa4daSNeil Perrin typedef enum { 306e09fa4daSNeil Perrin ZFS_LOGBIAS_LATENCY = 0, 307e09fa4daSNeil Perrin ZFS_LOGBIAS_THROUGHPUT = 1 308e09fa4daSNeil Perrin } zfs_logbias_op_t; 309e09fa4daSNeil Perrin 310da6c28aaSamw typedef enum zfs_share_op { 311da6c28aaSamw ZFS_SHARE_NFS = 0, 312da6c28aaSamw ZFS_UNSHARE_NFS = 1, 313da6c28aaSamw ZFS_SHARE_SMB = 2, 314da6c28aaSamw ZFS_UNSHARE_SMB = 3 315da6c28aaSamw } zfs_share_op_t; 316da6c28aaSamw 317743a77edSAlan Wright typedef enum zfs_smb_acl_op { 318743a77edSAlan Wright ZFS_SMB_ACL_ADD, 319743a77edSAlan Wright ZFS_SMB_ACL_REMOVE, 320743a77edSAlan Wright ZFS_SMB_ACL_RENAME, 321743a77edSAlan Wright ZFS_SMB_ACL_PURGE 322743a77edSAlan Wright } zfs_smb_acl_op_t; 323743a77edSAlan Wright 3243baa08fcSek typedef enum zfs_cache_type { 3253baa08fcSek ZFS_CACHE_NONE = 0, 3263baa08fcSek ZFS_CACHE_METADATA = 1, 3273baa08fcSek ZFS_CACHE_ALL = 2 3283baa08fcSek } zfs_cache_type_t; 3293baa08fcSek 33055da60b9SMark J Musante typedef enum { 33155da60b9SMark J Musante ZFS_SYNC_STANDARD = 0, 33255da60b9SMark J Musante ZFS_SYNC_ALWAYS = 1, 33355da60b9SMark J Musante ZFS_SYNC_DISABLED = 2 33455da60b9SMark J Musante } zfs_sync_type_t; 33555da60b9SMark J Musante 3363baa08fcSek 337eaca9bbdSeschrock /* 33899653d4eSeschrock * On-disk version number. 339eaca9bbdSeschrock */ 340e7437265Sahrens #define SPA_VERSION_1 1ULL 341e7437265Sahrens #define SPA_VERSION_2 2ULL 342e7437265Sahrens #define SPA_VERSION_3 3ULL 343e7437265Sahrens #define SPA_VERSION_4 4ULL 344e7437265Sahrens #define SPA_VERSION_5 5ULL 345e7437265Sahrens #define SPA_VERSION_6 6ULL 346e7437265Sahrens #define SPA_VERSION_7 7ULL 347e7437265Sahrens #define SPA_VERSION_8 8ULL 348da6c28aaSamw #define SPA_VERSION_9 9ULL 349fa94a07fSbrendan #define SPA_VERSION_10 10ULL 350088f3894Sahrens #define SPA_VERSION_11 11ULL 351bb0ade09Sahrens #define SPA_VERSION_12 12ULL 35274e7dc98SMatthew Ahrens #define SPA_VERSION_13 13ULL 353d0f3f37eSMark Shellenbaum #define SPA_VERSION_14 14ULL 35414843421SMatthew Ahrens #define SPA_VERSION_15 15ULL 355478ed9adSEric Taylor #define SPA_VERSION_16 16ULL 356f94275ceSAdam Leventhal #define SPA_VERSION_17 17ULL 357842727c2SChris Kirby #define SPA_VERSION_18 18ULL 35888ecc943SGeorge Wilson #define SPA_VERSION_19 19ULL 359b24ab676SJeff Bonwick #define SPA_VERSION_20 20ULL 360b24ab676SJeff Bonwick #define SPA_VERSION_21 21ULL 36192241e0bSTom Erickson #define SPA_VERSION_22 22ULL 3626e1f5caaSNeil Perrin #define SPA_VERSION_23 23ULL 3630a586ceaSMark Shellenbaum #define SPA_VERSION_24 24ULL 3643f9d6ad7SLin Ling #define SPA_VERSION_25 25ULL 365cde58dbcSMatthew Ahrens #define SPA_VERSION_26 26ULL 3666e0cbcaaSMatthew Ahrens #define SPA_VERSION_27 27ULL 367cb04b873SMark J Musante #define SPA_VERSION_28 28ULL 368ad135b5dSChristopher Siden #define SPA_VERSION_5000 5000ULL 369cb04b873SMark J Musante 370b1b8ab34Slling /* 371e7cbe64fSgw * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk 372478ed9adSEric Taylor * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*}, 37314843421SMatthew Ahrens * and do the appropriate changes. Also bump the version number in 37414843421SMatthew Ahrens * usr/src/grub/capability. 375b1b8ab34Slling */ 376ad135b5dSChristopher Siden #define SPA_VERSION SPA_VERSION_5000 377ad135b5dSChristopher Siden #define SPA_VERSION_STRING "5000" 37844cd46caSbillm 37944cd46caSbillm /* 380e7437265Sahrens * Symbolic names for the changes that caused a SPA_VERSION switch. 38144cd46caSbillm * Used in the code when checking for presence or absence of a feature. 38244cd46caSbillm * Feel free to define multiple symbolic names for each version if there 38344cd46caSbillm * were multiple changes to on-disk structures during that version. 38444cd46caSbillm * 385e7437265Sahrens * NOTE: When checking the current SPA_VERSION in your code, be sure 38644cd46caSbillm * to use spa_version() since it reports the version of the 38744cd46caSbillm * last synced uberblock. Checking the in-flight version can 38844cd46caSbillm * be dangerous in some cases. 38944cd46caSbillm */ 390e7437265Sahrens #define SPA_VERSION_INITIAL SPA_VERSION_1 391e7437265Sahrens #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2 392e7437265Sahrens #define SPA_VERSION_SPARES SPA_VERSION_3 393f94275ceSAdam Leventhal #define SPA_VERSION_RAIDZ2 SPA_VERSION_3 394cde58dbcSMatthew Ahrens #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3 395e7437265Sahrens #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3 396e7437265Sahrens #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3 397e7437265Sahrens #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4 398e7437265Sahrens #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5 399e7437265Sahrens #define SPA_VERSION_BOOTFS SPA_VERSION_6 400990b4856Slling #define SPA_VERSION_SLOGS SPA_VERSION_7 401990b4856Slling #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8 402da6c28aaSamw #define SPA_VERSION_FUID SPA_VERSION_9 403a9799022Sck #define SPA_VERSION_REFRESERVATION SPA_VERSION_9 404a9799022Sck #define SPA_VERSION_REFQUOTA SPA_VERSION_9 405a9799022Sck #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 406fa94a07fSbrendan #define SPA_VERSION_L2CACHE SPA_VERSION_10 407088f3894Sahrens #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 408088f3894Sahrens #define SPA_VERSION_ORIGIN SPA_VERSION_11 409088f3894Sahrens #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 410bb0ade09Sahrens #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 41174e7dc98SMatthew Ahrens #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 412d0f3f37eSMark Shellenbaum #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 41314843421SMatthew Ahrens #define SPA_VERSION_USERSPACE SPA_VERSION_15 414478ed9adSEric Taylor #define SPA_VERSION_STMF_PROP SPA_VERSION_16 415f94275ceSAdam Leventhal #define SPA_VERSION_RAIDZ3 SPA_VERSION_17 416842727c2SChris Kirby #define SPA_VERSION_USERREFS SPA_VERSION_18 41788ecc943SGeorge Wilson #define SPA_VERSION_HOLES SPA_VERSION_19 418b24ab676SJeff Bonwick #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20 419b24ab676SJeff Bonwick #define SPA_VERSION_DEDUP SPA_VERSION_21 42092241e0bSTom Erickson #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22 4216e1f5caaSNeil Perrin #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23 4220a586ceaSMark Shellenbaum #define SPA_VERSION_SA SPA_VERSION_24 4233f9d6ad7SLin Ling #define SPA_VERSION_SCAN SPA_VERSION_25 424cde58dbcSMatthew Ahrens #define SPA_VERSION_DIR_CLONES SPA_VERSION_26 425cde58dbcSMatthew Ahrens #define SPA_VERSION_DEADLISTS SPA_VERSION_26 4266e0cbcaaSMatthew Ahrens #define SPA_VERSION_FAST_SNAP SPA_VERSION_27 427cb04b873SMark J Musante #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28 428ad135b5dSChristopher Siden #define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28 429ad135b5dSChristopher Siden #define SPA_VERSION_FEATURES SPA_VERSION_5000 430ad135b5dSChristopher Siden 431ad135b5dSChristopher Siden #define SPA_VERSION_IS_SUPPORTED(v) \ 432ad135b5dSChristopher Siden (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \ 433ad135b5dSChristopher Siden ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION)) 434e7437265Sahrens 435e7437265Sahrens /* 436e7437265Sahrens * ZPL version - rev'd whenever an incompatible on-disk format change 437e7437265Sahrens * occurs. This is independent of SPA/DMU/ZAP versioning. You must 438e7437265Sahrens * also update the version_table[] and help message in zfs_prop.c. 439e7437265Sahrens * 440e7437265Sahrens * When changing, be sure to teach GRUB how to read the new format! 441478ed9adSEric Taylor * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*} 442e7437265Sahrens */ 443e7437265Sahrens #define ZPL_VERSION_1 1ULL 444e7437265Sahrens #define ZPL_VERSION_2 2ULL 445da6c28aaSamw #define ZPL_VERSION_3 3ULL 44614843421SMatthew Ahrens #define ZPL_VERSION_4 4ULL 4470a586ceaSMark Shellenbaum #define ZPL_VERSION_5 5ULL 4480a586ceaSMark Shellenbaum #define ZPL_VERSION ZPL_VERSION_5 4490a586ceaSMark Shellenbaum #define ZPL_VERSION_STRING "5" 450e7437265Sahrens 451e7437265Sahrens #define ZPL_VERSION_INITIAL ZPL_VERSION_1 452e7437265Sahrens #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2 453da6c28aaSamw #define ZPL_VERSION_FUID ZPL_VERSION_3 454de8267e0Stimh #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3 455da6c28aaSamw #define ZPL_VERSION_SYSATTR ZPL_VERSION_3 45614843421SMatthew Ahrens #define ZPL_VERSION_USERSPACE ZPL_VERSION_4 4570a586ceaSMark Shellenbaum #define ZPL_VERSION_SA ZPL_VERSION_5 458eaca9bbdSeschrock 459468c413aSTim Haley /* Rewind request information */ 460c8ee1847SVictor Latushkin #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */ 461c8ee1847SVictor Latushkin #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */ 462c8ee1847SVictor Latushkin #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */ 463c8ee1847SVictor Latushkin #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */ 464c8ee1847SVictor Latushkin #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */ 465c8ee1847SVictor Latushkin #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */ 466c8ee1847SVictor Latushkin #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */ 467468c413aSTim Haley 468468c413aSTim Haley typedef struct zpool_rewind_policy { 469468c413aSTim Haley uint32_t zrp_request; /* rewind behavior requested */ 470c8ee1847SVictor Latushkin uint64_t zrp_maxmeta; /* max acceptable meta-data errors */ 471c8ee1847SVictor Latushkin uint64_t zrp_maxdata; /* max acceptable data errors */ 472468c413aSTim Haley uint64_t zrp_txg; /* specific txg to load */ 473468c413aSTim Haley } zpool_rewind_policy_t; 474468c413aSTim Haley 475fa9e4066Sahrens /* 476fa9e4066Sahrens * The following are configuration names used in the nvlist describing a pool's 477fa9e4066Sahrens * configuration. 478fa9e4066Sahrens */ 479fa9e4066Sahrens #define ZPOOL_CONFIG_VERSION "version" 480fa9e4066Sahrens #define ZPOOL_CONFIG_POOL_NAME "name" 481fa9e4066Sahrens #define ZPOOL_CONFIG_POOL_STATE "state" 482fa9e4066Sahrens #define ZPOOL_CONFIG_POOL_TXG "txg" 483fa9e4066Sahrens #define ZPOOL_CONFIG_POOL_GUID "pool_guid" 484fa9e4066Sahrens #define ZPOOL_CONFIG_CREATE_TXG "create_txg" 485fa9e4066Sahrens #define ZPOOL_CONFIG_TOP_GUID "top_guid" 486fa9e4066Sahrens #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" 487fa9e4066Sahrens #define ZPOOL_CONFIG_TYPE "type" 488fa9e4066Sahrens #define ZPOOL_CONFIG_CHILDREN "children" 489fa9e4066Sahrens #define ZPOOL_CONFIG_ID "id" 490fa9e4066Sahrens #define ZPOOL_CONFIG_GUID "guid" 491fa9e4066Sahrens #define ZPOOL_CONFIG_PATH "path" 492fa9e4066Sahrens #define ZPOOL_CONFIG_DEVID "devid" 493fa9e4066Sahrens #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" 494fa9e4066Sahrens #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" 495fa9e4066Sahrens #define ZPOOL_CONFIG_ASHIFT "ashift" 496fa9e4066Sahrens #define ZPOOL_CONFIG_ASIZE "asize" 497fa9e4066Sahrens #define ZPOOL_CONFIG_DTL "DTL" 4983f9d6ad7SLin Ling #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */ 4993f9d6ad7SLin Ling #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */ 500afefbcddSeschrock #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" 501ea8dc4b6Seschrock #define ZPOOL_CONFIG_ERRCOUNT "error_count" 502ea8dc4b6Seschrock #define ZPOOL_CONFIG_NOT_PRESENT "not_present" 50399653d4eSeschrock #define ZPOOL_CONFIG_SPARES "spares" 50499653d4eSeschrock #define ZPOOL_CONFIG_IS_SPARE "is_spare" 50599653d4eSeschrock #define ZPOOL_CONFIG_NPARITY "nparity" 50695173954Sek #define ZPOOL_CONFIG_HOSTID "hostid" 50795173954Sek #define ZPOOL_CONFIG_HOSTNAME "hostname" 50811027bc7STim Haley #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time" 5093d7072f8Seschrock #define ZPOOL_CONFIG_UNSPARE "unspare" 5103d7072f8Seschrock #define ZPOOL_CONFIG_PHYS_PATH "phys_path" 5118654d025Sperrin #define ZPOOL_CONFIG_IS_LOG "is_log" 512fa94a07fSbrendan #define ZPOOL_CONFIG_L2CACHE "l2cache" 51388ecc943SGeorge Wilson #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array" 51488ecc943SGeorge Wilson #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children" 51588ecc943SGeorge Wilson #define ZPOOL_CONFIG_IS_HOLE "is_hole" 5169eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram" 5179eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats" 5189eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_STATS "ddt_stats" 5191195e687SMark J Musante #define ZPOOL_CONFIG_SPLIT "splitcfg" 5201195e687SMark J Musante #define ZPOOL_CONFIG_ORIG_GUID "orig_guid" 5211195e687SMark J Musante #define ZPOOL_CONFIG_SPLIT_GUID "split_guid" 5221195e687SMark J Musante #define ZPOOL_CONFIG_SPLIT_LIST "guid_list" 5233f9d6ad7SLin Ling #define ZPOOL_CONFIG_REMOVING "removing" 524cb04b873SMark J Musante #define ZPOOL_CONFIG_RESILVERING "resilvering" 5258704186eSDan McDonald #define ZPOOL_CONFIG_COMMENT "comment" 526e14bb325SJeff Bonwick #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ 527e7cbe64fSgw #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ 528e7cbe64fSgw #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */ 5294b964adaSGeorge Wilson #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */ 5304b964adaSGeorge Wilson #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */ 531ad135b5dSChristopher Siden #define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */ 532ad135b5dSChristopher Siden #define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */ 53357221772SChristopher Siden #define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */ 534ad135b5dSChristopher Siden #define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */ 535ad135b5dSChristopher Siden #define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read" 536ad135b5dSChristopher Siden #define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */ 5373d7072f8Seschrock /* 5383d7072f8Seschrock * The persistent vdev state is stored as separate values rather than a single 5393d7072f8Seschrock * 'vdev_state' entry. This is because a device can be in multiple states, such 5403d7072f8Seschrock * as offline and degraded. 5413d7072f8Seschrock */ 5423d7072f8Seschrock #define ZPOOL_CONFIG_OFFLINE "offline" 5433d7072f8Seschrock #define ZPOOL_CONFIG_FAULTED "faulted" 5443d7072f8Seschrock #define ZPOOL_CONFIG_DEGRADED "degraded" 5453d7072f8Seschrock #define ZPOOL_CONFIG_REMOVED "removed" 5466809eb4eSEric Schrock #define ZPOOL_CONFIG_FRU "fru" 547069f55e2SEric Schrock #define ZPOOL_CONFIG_AUX_STATE "aux_state" 548fa9e4066Sahrens 549468c413aSTim Haley /* Rewind policy parameters */ 550468c413aSTim Haley #define ZPOOL_REWIND_POLICY "rewind-policy" 551468c413aSTim Haley #define ZPOOL_REWIND_REQUEST "rewind-request" 552468c413aSTim Haley #define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg" 553468c413aSTim Haley #define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh" 554468c413aSTim Haley #define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh" 555468c413aSTim Haley 556468c413aSTim Haley /* Rewind data discovered */ 557468c413aSTim Haley #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts" 558468c413aSTim Haley #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors" 559468c413aSTim Haley #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind" 560468c413aSTim Haley 561fa9e4066Sahrens #define VDEV_TYPE_ROOT "root" 562fa9e4066Sahrens #define VDEV_TYPE_MIRROR "mirror" 563fa9e4066Sahrens #define VDEV_TYPE_REPLACING "replacing" 564fa9e4066Sahrens #define VDEV_TYPE_RAIDZ "raidz" 565fa9e4066Sahrens #define VDEV_TYPE_DISK "disk" 566fa9e4066Sahrens #define VDEV_TYPE_FILE "file" 567fa9e4066Sahrens #define VDEV_TYPE_MISSING "missing" 56888ecc943SGeorge Wilson #define VDEV_TYPE_HOLE "hole" 56999653d4eSeschrock #define VDEV_TYPE_SPARE "spare" 5708654d025Sperrin #define VDEV_TYPE_LOG "log" 571fa94a07fSbrendan #define VDEV_TYPE_L2CACHE "l2cache" 572fa9e4066Sahrens 573fa9e4066Sahrens /* 574fa9e4066Sahrens * This is needed in userland to report the minimum necessary device size. 575fa9e4066Sahrens */ 576fa9e4066Sahrens #define SPA_MINDEVSIZE (64ULL << 20) 577fa9e4066Sahrens 578fa9e4066Sahrens /* 579fa9e4066Sahrens * The location of the pool configuration repository, shared between kernel and 580fa9e4066Sahrens * userland. 581fa9e4066Sahrens */ 582c5904d13Seschrock #define ZPOOL_CACHE "/etc/zfs/zpool.cache" 583fa9e4066Sahrens 584fa9e4066Sahrens /* 585fa9e4066Sahrens * vdev states are ordered from least to most healthy. 586fa9e4066Sahrens * A vdev that's CANT_OPEN or below is considered unusable. 587fa9e4066Sahrens */ 588fa9e4066Sahrens typedef enum vdev_state { 589fa9e4066Sahrens VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */ 590fa9e4066Sahrens VDEV_STATE_CLOSED, /* Not currently open */ 591fa9e4066Sahrens VDEV_STATE_OFFLINE, /* Not allowed to open */ 5923d7072f8Seschrock VDEV_STATE_REMOVED, /* Explicitly removed from system */ 593fa9e4066Sahrens VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */ 5943d7072f8Seschrock VDEV_STATE_FAULTED, /* External request to fault device */ 595fa9e4066Sahrens VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */ 596fa9e4066Sahrens VDEV_STATE_HEALTHY /* Presumed good */ 597fa9e4066Sahrens } vdev_state_t; 598fa9e4066Sahrens 5993d7072f8Seschrock #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY 6003d7072f8Seschrock 601fa9e4066Sahrens /* 602fa9e4066Sahrens * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field 603fa9e4066Sahrens * of the vdev stats structure uses these constants to distinguish why. 604fa9e4066Sahrens */ 605fa9e4066Sahrens typedef enum vdev_aux { 606fa9e4066Sahrens VDEV_AUX_NONE, /* no error */ 607fa9e4066Sahrens VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */ 608fa9e4066Sahrens VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */ 609fa9e4066Sahrens VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */ 610fa9e4066Sahrens VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */ 611fa9e4066Sahrens VDEV_AUX_TOO_SMALL, /* vdev size is too small */ 612eaca9bbdSeschrock VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */ 613eaca9bbdSeschrock VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */ 61499653d4eSeschrock VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */ 615ad135b5dSChristopher Siden VDEV_AUX_UNSUP_FEAT, /* unsupported features */ 6163d7072f8Seschrock VDEV_AUX_SPARED, /* hot spare used in another pool */ 61732b87932Sek VDEV_AUX_ERR_EXCEEDED, /* too many errors */ 618b87f3af3Sperrin VDEV_AUX_IO_FAILURE, /* experienced I/O failure */ 619069f55e2SEric Schrock VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */ 6201195e687SMark J Musante VDEV_AUX_EXTERNAL, /* external diagnosis */ 6211195e687SMark J Musante VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */ 622fa9e4066Sahrens } vdev_aux_t; 623fa9e4066Sahrens 624fa9e4066Sahrens /* 62546a2abf2Seschrock * pool state. The following states are written to disk as part of the normal 626fa94a07fSbrendan * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining 627fa94a07fSbrendan * states are software abstractions used at various levels to communicate 628fa94a07fSbrendan * pool state. 629fa9e4066Sahrens */ 630fa9e4066Sahrens typedef enum pool_state { 631fa9e4066Sahrens POOL_STATE_ACTIVE = 0, /* In active use */ 632fa9e4066Sahrens POOL_STATE_EXPORTED, /* Explicitly exported */ 633fa9e4066Sahrens POOL_STATE_DESTROYED, /* Explicitly destroyed */ 63499653d4eSeschrock POOL_STATE_SPARE, /* Reserved for hot spare use */ 635fa94a07fSbrendan POOL_STATE_L2CACHE, /* Level 2 ARC device */ 636fa9e4066Sahrens POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ 63746a2abf2Seschrock POOL_STATE_UNAVAIL, /* Internal libzfs state */ 63846a2abf2Seschrock POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ 639fa9e4066Sahrens } pool_state_t; 640fa9e4066Sahrens 641fa9e4066Sahrens /* 6423f9d6ad7SLin Ling * Scan Functions. 643fa9e4066Sahrens */ 6443f9d6ad7SLin Ling typedef enum pool_scan_func { 6453f9d6ad7SLin Ling POOL_SCAN_NONE, 6463f9d6ad7SLin Ling POOL_SCAN_SCRUB, 6473f9d6ad7SLin Ling POOL_SCAN_RESILVER, 6483f9d6ad7SLin Ling POOL_SCAN_FUNCS 6493f9d6ad7SLin Ling } pool_scan_func_t; 650fa9e4066Sahrens 651fa9e4066Sahrens /* 652fa9e4066Sahrens * ZIO types. Needed to interpret vdev statistics below. 653fa9e4066Sahrens */ 654fa9e4066Sahrens typedef enum zio_type { 655fa9e4066Sahrens ZIO_TYPE_NULL = 0, 656fa9e4066Sahrens ZIO_TYPE_READ, 657fa9e4066Sahrens ZIO_TYPE_WRITE, 658fa9e4066Sahrens ZIO_TYPE_FREE, 659fa9e4066Sahrens ZIO_TYPE_CLAIM, 660fa9e4066Sahrens ZIO_TYPE_IOCTL, 661fa9e4066Sahrens ZIO_TYPES 662fa9e4066Sahrens } zio_type_t; 663fa9e4066Sahrens 6643f9d6ad7SLin Ling /* 6653f9d6ad7SLin Ling * Pool statistics. Note: all fields should be 64-bit because this 6663f9d6ad7SLin Ling * is passed between kernel and userland as an nvlist uint64 array. 6673f9d6ad7SLin Ling */ 6683f9d6ad7SLin Ling typedef struct pool_scan_stat { 6693f9d6ad7SLin Ling /* values stored on disk */ 6703f9d6ad7SLin Ling uint64_t pss_func; /* pool_scan_func_t */ 6713f9d6ad7SLin Ling uint64_t pss_state; /* dsl_scan_state_t */ 6723f9d6ad7SLin Ling uint64_t pss_start_time; /* scan start time */ 6733f9d6ad7SLin Ling uint64_t pss_end_time; /* scan end time */ 6743f9d6ad7SLin Ling uint64_t pss_to_examine; /* total bytes to scan */ 6753f9d6ad7SLin Ling uint64_t pss_examined; /* total examined bytes */ 6763f9d6ad7SLin Ling uint64_t pss_to_process; /* total bytes to process */ 6773f9d6ad7SLin Ling uint64_t pss_processed; /* total processed bytes */ 6783f9d6ad7SLin Ling uint64_t pss_errors; /* scan errors */ 6793f9d6ad7SLin Ling 6803f9d6ad7SLin Ling /* values not stored on disk */ 6813f9d6ad7SLin Ling uint64_t pss_pass_exam; /* examined bytes per scan pass */ 6823f9d6ad7SLin Ling uint64_t pss_pass_start; /* start time of a scan pass */ 6833f9d6ad7SLin Ling } pool_scan_stat_t; 6843f9d6ad7SLin Ling 6853f9d6ad7SLin Ling typedef enum dsl_scan_state { 6863f9d6ad7SLin Ling DSS_NONE, 6873f9d6ad7SLin Ling DSS_SCANNING, 6883f9d6ad7SLin Ling DSS_FINISHED, 6893f9d6ad7SLin Ling DSS_CANCELED, 6903f9d6ad7SLin Ling DSS_NUM_STATES 6913f9d6ad7SLin Ling } dsl_scan_state_t; 6923f9d6ad7SLin Ling 6933f9d6ad7SLin Ling 694fa9e4066Sahrens /* 695fa9e4066Sahrens * Vdev statistics. Note: all fields should be 64-bit because this 696fa9e4066Sahrens * is passed between kernel and userland as an nvlist uint64 array. 697fa9e4066Sahrens */ 698fa9e4066Sahrens typedef struct vdev_stat { 699fa9e4066Sahrens hrtime_t vs_timestamp; /* time since vdev load */ 700fa9e4066Sahrens uint64_t vs_state; /* vdev state */ 701fa9e4066Sahrens uint64_t vs_aux; /* see vdev_aux_t */ 702fa9e4066Sahrens uint64_t vs_alloc; /* space allocated */ 703fa9e4066Sahrens uint64_t vs_space; /* total capacity */ 70499653d4eSeschrock uint64_t vs_dspace; /* deflated capacity */ 7052a79c5feSlling uint64_t vs_rsize; /* replaceable dev size */ 7064263d13fSGeorge Wilson uint64_t vs_esize; /* expandable dev size */ 707fa9e4066Sahrens uint64_t vs_ops[ZIO_TYPES]; /* operation count */ 708fa9e4066Sahrens uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */ 709fa9e4066Sahrens uint64_t vs_read_errors; /* read errors */ 710fa9e4066Sahrens uint64_t vs_write_errors; /* write errors */ 711fa9e4066Sahrens uint64_t vs_checksum_errors; /* checksum errors */ 712fa9e4066Sahrens uint64_t vs_self_healed; /* self-healed bytes */ 7133f9d6ad7SLin Ling uint64_t vs_scan_removing; /* removing? */ 7143f9d6ad7SLin Ling uint64_t vs_scan_processed; /* scan processed bytes */ 715fa9e4066Sahrens } vdev_stat_t; 716fa9e4066Sahrens 7179eb19f4dSGeorge Wilson /* 7189eb19f4dSGeorge Wilson * DDT statistics. Note: all fields should be 64-bit because this 7199eb19f4dSGeorge Wilson * is passed between kernel and userland as an nvlist uint64 array. 7209eb19f4dSGeorge Wilson */ 7219eb19f4dSGeorge Wilson typedef struct ddt_object { 7229eb19f4dSGeorge Wilson uint64_t ddo_count; /* number of elments in ddt */ 7239eb19f4dSGeorge Wilson uint64_t ddo_dspace; /* size of ddt on disk */ 7249eb19f4dSGeorge Wilson uint64_t ddo_mspace; /* size of ddt in-core */ 7259eb19f4dSGeorge Wilson } ddt_object_t; 7269eb19f4dSGeorge Wilson 7279eb19f4dSGeorge Wilson typedef struct ddt_stat { 7289eb19f4dSGeorge Wilson uint64_t dds_blocks; /* blocks */ 7299eb19f4dSGeorge Wilson uint64_t dds_lsize; /* logical size */ 7309eb19f4dSGeorge Wilson uint64_t dds_psize; /* physical size */ 7319eb19f4dSGeorge Wilson uint64_t dds_dsize; /* deflated allocated size */ 7329eb19f4dSGeorge Wilson uint64_t dds_ref_blocks; /* referenced blocks */ 7339eb19f4dSGeorge Wilson uint64_t dds_ref_lsize; /* referenced lsize * refcnt */ 7349eb19f4dSGeorge Wilson uint64_t dds_ref_psize; /* referenced psize * refcnt */ 7359eb19f4dSGeorge Wilson uint64_t dds_ref_dsize; /* referenced dsize * refcnt */ 7369eb19f4dSGeorge Wilson } ddt_stat_t; 7379eb19f4dSGeorge Wilson 7389eb19f4dSGeorge Wilson typedef struct ddt_histogram { 7399eb19f4dSGeorge Wilson ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */ 7409eb19f4dSGeorge Wilson } ddt_histogram_t; 7419eb19f4dSGeorge Wilson 742e7cbe64fSgw #define ZVOL_DRIVER "zvol" 743fa9e4066Sahrens #define ZFS_DRIVER "zfs" 744fa9e4066Sahrens #define ZFS_DEV "/dev/zfs" 745fa9e4066Sahrens 746681d9761SEric Taylor /* general zvol path */ 747681d9761SEric Taylor #define ZVOL_DIR "/dev/zvol" 748681d9761SEric Taylor /* expansion */ 749573ca77eSGeorge Wilson #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:" 750681d9761SEric Taylor /* for dump and swap */ 751681d9761SEric Taylor #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/" 752681d9761SEric Taylor #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/" 753fa9e4066Sahrens 754fa9e4066Sahrens #define ZVOL_PROP_NAME "name" 755c1449561SEric Taylor #define ZVOL_DEFAULT_BLOCKSIZE 8192 756fa9e4066Sahrens 757fa9e4066Sahrens /* 758fa9e4066Sahrens * /dev/zfs ioctl numbers. 759fa9e4066Sahrens */ 760fa9e4066Sahrens typedef enum zfs_ioc { 7614445fffbSMatthew Ahrens ZFS_IOC_FIRST = ('Z' << 8), 7624445fffbSMatthew Ahrens ZFS_IOC = ZFS_IOC_FIRST, 7634445fffbSMatthew Ahrens ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST, 764fa9e4066Sahrens ZFS_IOC_POOL_DESTROY, 765fa9e4066Sahrens ZFS_IOC_POOL_IMPORT, 766fa9e4066Sahrens ZFS_IOC_POOL_EXPORT, 767fa9e4066Sahrens ZFS_IOC_POOL_CONFIGS, 768fa9e4066Sahrens ZFS_IOC_POOL_STATS, 769fa9e4066Sahrens ZFS_IOC_POOL_TRYIMPORT, 7703f9d6ad7SLin Ling ZFS_IOC_POOL_SCAN, 771fa9e4066Sahrens ZFS_IOC_POOL_FREEZE, 772eaca9bbdSeschrock ZFS_IOC_POOL_UPGRADE, 77306eeb2adSek ZFS_IOC_POOL_GET_HISTORY, 774fa9e4066Sahrens ZFS_IOC_VDEV_ADD, 775fa9e4066Sahrens ZFS_IOC_VDEV_REMOVE, 7763d7072f8Seschrock ZFS_IOC_VDEV_SET_STATE, 777fa9e4066Sahrens ZFS_IOC_VDEV_ATTACH, 778fa9e4066Sahrens ZFS_IOC_VDEV_DETACH, 779c67d9675Seschrock ZFS_IOC_VDEV_SETPATH, 7806809eb4eSEric Schrock ZFS_IOC_VDEV_SETFRU, 781fa9e4066Sahrens ZFS_IOC_OBJSET_STATS, 782de8267e0Stimh ZFS_IOC_OBJSET_ZPLPROPS, 783fa9e4066Sahrens ZFS_IOC_DATASET_LIST_NEXT, 784fa9e4066Sahrens ZFS_IOC_SNAPSHOT_LIST_NEXT, 785fa9e4066Sahrens ZFS_IOC_SET_PROP, 786fa9e4066Sahrens ZFS_IOC_CREATE, 787fa9e4066Sahrens ZFS_IOC_DESTROY, 788fa9e4066Sahrens ZFS_IOC_ROLLBACK, 789fa9e4066Sahrens ZFS_IOC_RENAME, 7903cb34c60Sahrens ZFS_IOC_RECV, 7913cb34c60Sahrens ZFS_IOC_SEND, 792ea8dc4b6Seschrock ZFS_IOC_INJECT_FAULT, 793ea8dc4b6Seschrock ZFS_IOC_CLEAR_FAULT, 794ea8dc4b6Seschrock ZFS_IOC_INJECT_LIST_NEXT, 795ea8dc4b6Seschrock ZFS_IOC_ERROR_LOG, 796ea8dc4b6Seschrock ZFS_IOC_CLEAR, 7971d452cf5Sahrens ZFS_IOC_PROMOTE, 79855434c77Sek ZFS_IOC_SNAPSHOT, 79955434c77Sek ZFS_IOC_DSOBJ_TO_DSNAME, 800b1b8ab34Slling ZFS_IOC_OBJ_TO_PATH, 801b1b8ab34Slling ZFS_IOC_POOL_SET_PROPS, 802ecd6cf80Smarks ZFS_IOC_POOL_GET_PROPS, 803ecd6cf80Smarks ZFS_IOC_SET_FSACL, 804ecd6cf80Smarks ZFS_IOC_GET_FSACL, 805e45ce728Sahrens ZFS_IOC_SHARE, 806743a77edSAlan Wright ZFS_IOC_INHERIT_PROP, 80714843421SMatthew Ahrens ZFS_IOC_SMB_ACL, 80814843421SMatthew Ahrens ZFS_IOC_USERSPACE_ONE, 80914843421SMatthew Ahrens ZFS_IOC_USERSPACE_MANY, 810842727c2SChris Kirby ZFS_IOC_USERSPACE_UPGRADE, 811842727c2SChris Kirby ZFS_IOC_HOLD, 812842727c2SChris Kirby ZFS_IOC_RELEASE, 81392241e0bSTom Erickson ZFS_IOC_GET_HOLDS, 8141195e687SMark J Musante ZFS_IOC_OBJSET_RECVD_PROPS, 81599d5e173STim Haley ZFS_IOC_VDEV_SPLIT, 81699d5e173STim Haley ZFS_IOC_NEXT_OBJ, 81799d5e173STim Haley ZFS_IOC_DIFF, 81899d5e173STim Haley ZFS_IOC_TMP_SNAPSHOT, 819e9103aaeSGarrett D'Amore ZFS_IOC_OBJ_TO_STATS, 82019b94df9SMatthew Ahrens ZFS_IOC_SPACE_WRITTEN, 82119b94df9SMatthew Ahrens ZFS_IOC_SPACE_SNAPS, 8224445fffbSMatthew Ahrens ZFS_IOC_DESTROY_SNAPS, 8234263d13fSGeorge Wilson ZFS_IOC_POOL_REGUID, 8244e3c9f44SBill Pijewski ZFS_IOC_POOL_REOPEN, 8254445fffbSMatthew Ahrens ZFS_IOC_SEND_PROGRESS, 8264445fffbSMatthew Ahrens ZFS_IOC_LOG_HISTORY, 8274445fffbSMatthew Ahrens ZFS_IOC_SEND_NEW, 8284445fffbSMatthew Ahrens ZFS_IOC_SEND_SPACE, 8294445fffbSMatthew Ahrens ZFS_IOC_CLONE, 8304445fffbSMatthew Ahrens ZFS_IOC_LAST 831fa9e4066Sahrens } zfs_ioc_t; 832fa9e4066Sahrens 833ea8dc4b6Seschrock /* 834ea8dc4b6Seschrock * Internal SPA load state. Used by FMA diagnosis engine. 835ea8dc4b6Seschrock */ 836ea8dc4b6Seschrock typedef enum { 8379eb19f4dSGeorge Wilson SPA_LOAD_NONE, /* no load in progress */ 8389eb19f4dSGeorge Wilson SPA_LOAD_OPEN, /* normal open */ 8399eb19f4dSGeorge Wilson SPA_LOAD_IMPORT, /* import in progress */ 840468c413aSTim Haley SPA_LOAD_TRYIMPORT, /* tryimport in progress */ 8419eb19f4dSGeorge Wilson SPA_LOAD_RECOVER, /* recovery requested */ 8429eb19f4dSGeorge Wilson SPA_LOAD_ERROR /* load failed */ 843ea8dc4b6Seschrock } spa_load_state_t; 844ea8dc4b6Seschrock 845e9dbad6fSeschrock /* 846e9dbad6fSeschrock * Bookmark name values. 847e9dbad6fSeschrock */ 84855434c77Sek #define ZPOOL_ERR_LIST "error list" 849e9dbad6fSeschrock #define ZPOOL_ERR_DATASET "dataset" 850e9dbad6fSeschrock #define ZPOOL_ERR_OBJECT "object" 851e9dbad6fSeschrock 85206eeb2adSek #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1) 85306eeb2adSek 85406eeb2adSek /* 85506eeb2adSek * The following are names used in the nvlist describing 85606eeb2adSek * the pool's history log. 85706eeb2adSek */ 85806eeb2adSek #define ZPOOL_HIST_RECORD "history record" 85906eeb2adSek #define ZPOOL_HIST_TIME "history time" 86006eeb2adSek #define ZPOOL_HIST_CMD "history command" 861ecd6cf80Smarks #define ZPOOL_HIST_WHO "history who" 862ecd6cf80Smarks #define ZPOOL_HIST_ZONE "history zone" 863ecd6cf80Smarks #define ZPOOL_HIST_HOST "history hostname" 864ecd6cf80Smarks #define ZPOOL_HIST_TXG "history txg" 865ecd6cf80Smarks #define ZPOOL_HIST_INT_EVENT "history internal event" 866ecd6cf80Smarks #define ZPOOL_HIST_INT_STR "history internal str" 8674445fffbSMatthew Ahrens #define ZPOOL_HIST_INT_NAME "internal_name" 8684445fffbSMatthew Ahrens #define ZPOOL_HIST_IOCTL "ioctl" 8694445fffbSMatthew Ahrens #define ZPOOL_HIST_INPUT_NVL "in_nvl" 8704445fffbSMatthew Ahrens #define ZPOOL_HIST_OUTPUT_NVL "out_nvl" 8714445fffbSMatthew Ahrens #define ZPOOL_HIST_DSNAME "dsname" 8724445fffbSMatthew Ahrens #define ZPOOL_HIST_DSID "dsid" 87306eeb2adSek 8743d7072f8Seschrock /* 8753d7072f8Seschrock * Flags for ZFS_IOC_VDEV_SET_STATE 8763d7072f8Seschrock */ 8773d7072f8Seschrock #define ZFS_ONLINE_CHECKREMOVE 0x1 8783d7072f8Seschrock #define ZFS_ONLINE_UNSPARE 0x2 8793d7072f8Seschrock #define ZFS_ONLINE_FORCEFAULT 0x4 880573ca77eSGeorge Wilson #define ZFS_ONLINE_EXPAND 0x8 8813d7072f8Seschrock #define ZFS_OFFLINE_TEMPORARY 0x1 8823d7072f8Seschrock 8834b964adaSGeorge Wilson /* 8844b964adaSGeorge Wilson * Flags for ZFS_IOC_POOL_IMPORT 8854b964adaSGeorge Wilson */ 8864b964adaSGeorge Wilson #define ZFS_IMPORT_NORMAL 0x0 8874b964adaSGeorge Wilson #define ZFS_IMPORT_VERBATIM 0x1 8884b964adaSGeorge Wilson #define ZFS_IMPORT_ANY_HOST 0x2 8894b964adaSGeorge Wilson #define ZFS_IMPORT_MISSING_LOG 0x4 890f9af39baSGeorge Wilson #define ZFS_IMPORT_ONLY 0x8 8914b964adaSGeorge Wilson 8923d7072f8Seschrock /* 8933d7072f8Seschrock * Sysevent payload members. ZFS will generate the following sysevents with the 8943d7072f8Seschrock * given payloads: 8953d7072f8Seschrock * 8963d7072f8Seschrock * ESC_ZFS_RESILVER_START 8973d7072f8Seschrock * ESC_ZFS_RESILVER_END 8983d7072f8Seschrock * ESC_ZFS_POOL_DESTROY 899e9103aaeSGarrett D'Amore * ESC_ZFS_POOL_REGUID 9003d7072f8Seschrock * 9013d7072f8Seschrock * ZFS_EV_POOL_NAME DATA_TYPE_STRING 9023d7072f8Seschrock * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 9033d7072f8Seschrock * 9043d7072f8Seschrock * ESC_ZFS_VDEV_REMOVE 9053d7072f8Seschrock * ESC_ZFS_VDEV_CLEAR 9063d7072f8Seschrock * ESC_ZFS_VDEV_CHECK 9073d7072f8Seschrock * 9083d7072f8Seschrock * ZFS_EV_POOL_NAME DATA_TYPE_STRING 9093d7072f8Seschrock * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 9103d7072f8Seschrock * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional) 9113d7072f8Seschrock * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64 9123d7072f8Seschrock */ 9133d7072f8Seschrock #define ZFS_EV_POOL_NAME "pool_name" 9143d7072f8Seschrock #define ZFS_EV_POOL_GUID "pool_guid" 9153d7072f8Seschrock #define ZFS_EV_VDEV_PATH "vdev_path" 9163d7072f8Seschrock #define ZFS_EV_VDEV_GUID "vdev_guid" 9173d7072f8Seschrock 918fa9e4066Sahrens #ifdef __cplusplus 919fa9e4066Sahrens } 920fa9e4066Sahrens #endif 921fa9e4066Sahrens 922fa9e4066Sahrens #endif /* _SYS_FS_ZFS_H */ 923