X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=module%2Fzcommon%2Finclude%2Fsys%2Ffs%2Fzfs.h;fp=module%2Fzcommon%2Finclude%2Fsys%2Ffs%2Fzfs.h;h=0000000000000000000000000000000000000000;hb=6283f55ea1b91e680386388c17d14b89e344fa8d;hp=25f256251a5b86dcb309f7d48a05883a53cd656b;hpb=5e6121455c0b941f4612ceb2c1f312d527534b46;p=zfs.git diff --git a/module/zcommon/include/sys/fs/zfs.h b/module/zcommon/include/sys/fs/zfs.h deleted file mode 100644 index 25f2562..0000000 --- a/module/zcommon/include/sys/fs/zfs.h +++ /dev/null @@ -1,916 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ - -/* - * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - */ - -/* Portions Copyright 2010 Robert Milkowski */ - -#ifndef _SYS_FS_ZFS_H -#define _SYS_FS_ZFS_H - -#include - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Types and constants shared between userland and the kernel. - */ - -/* - * Each dataset can be one of the following types. These constants can be - * combined into masks that can be passed to various functions. - */ -typedef enum { - ZFS_TYPE_FILESYSTEM = 0x1, - ZFS_TYPE_SNAPSHOT = 0x2, - ZFS_TYPE_VOLUME = 0x4, - ZFS_TYPE_POOL = 0x8 -} zfs_type_t; - -#define ZFS_TYPE_DATASET \ - (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT) - -#define ZAP_MAXNAMELEN 256 -#define ZAP_MAXVALUELEN (1024 * 8) -#define ZAP_OLDMAXVALUELEN 1024 - -/* - * Dataset properties are identified by these constants and must be added to - * the end of this list to ensure that external consumers are not affected - * by the change. If you make any changes to this list, be sure to update - * the property table in usr/src/common/zfs/zfs_prop.c. - */ -typedef enum { - ZFS_PROP_TYPE, - ZFS_PROP_CREATION, - ZFS_PROP_USED, - ZFS_PROP_AVAILABLE, - ZFS_PROP_REFERENCED, - ZFS_PROP_COMPRESSRATIO, - ZFS_PROP_MOUNTED, - ZFS_PROP_ORIGIN, - ZFS_PROP_QUOTA, - ZFS_PROP_RESERVATION, - ZFS_PROP_VOLSIZE, - ZFS_PROP_VOLBLOCKSIZE, - ZFS_PROP_RECORDSIZE, - ZFS_PROP_MOUNTPOINT, - ZFS_PROP_SHARENFS, - ZFS_PROP_CHECKSUM, - ZFS_PROP_COMPRESSION, - ZFS_PROP_ATIME, - ZFS_PROP_DEVICES, - ZFS_PROP_EXEC, - ZFS_PROP_SETUID, - ZFS_PROP_READONLY, - ZFS_PROP_ZONED, - ZFS_PROP_SNAPDIR, - ZFS_PROP_PRIVATE, /* not exposed to user, temporary */ - ZFS_PROP_ACLINHERIT, - ZFS_PROP_CREATETXG, /* not exposed to the user */ - ZFS_PROP_NAME, /* not exposed to the user */ - ZFS_PROP_CANMOUNT, - ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */ - ZFS_PROP_XATTR, - ZFS_PROP_NUMCLONES, /* not exposed to the user */ - ZFS_PROP_COPIES, - ZFS_PROP_VERSION, - ZFS_PROP_UTF8ONLY, - ZFS_PROP_NORMALIZE, - ZFS_PROP_CASE, - ZFS_PROP_VSCAN, - ZFS_PROP_NBMAND, - ZFS_PROP_SHARESMB, - ZFS_PROP_REFQUOTA, - ZFS_PROP_REFRESERVATION, - ZFS_PROP_GUID, - ZFS_PROP_PRIMARYCACHE, - ZFS_PROP_SECONDARYCACHE, - ZFS_PROP_USEDSNAP, - ZFS_PROP_USEDDS, - ZFS_PROP_USEDCHILD, - ZFS_PROP_USEDREFRESERV, - ZFS_PROP_USERACCOUNTING, /* not exposed to the user */ - ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */ - ZFS_PROP_DEFER_DESTROY, - ZFS_PROP_USERREFS, - ZFS_PROP_LOGBIAS, - ZFS_PROP_UNIQUE, /* not exposed to the user */ - ZFS_PROP_OBJSETID, /* not exposed to the user */ - ZFS_PROP_DEDUP, - ZFS_PROP_MLSLABEL, - ZFS_PROP_SYNC, - ZFS_NUM_PROPS -} zfs_prop_t; - -typedef enum { - ZFS_PROP_USERUSED, - ZFS_PROP_USERQUOTA, - ZFS_PROP_GROUPUSED, - ZFS_PROP_GROUPQUOTA, - ZFS_NUM_USERQUOTA_PROPS -} zfs_userquota_prop_t; - -extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS]; - -/* - * Pool properties are identified by these constants and must be added to the - * end of this list to ensure that external consumers are not affected - * by the change. If you make any changes to this list, be sure to update - * the property table in usr/src/common/zfs/zpool_prop.c. - */ -typedef enum { - ZPOOL_PROP_NAME, - ZPOOL_PROP_SIZE, - ZPOOL_PROP_CAPACITY, - ZPOOL_PROP_ALTROOT, - ZPOOL_PROP_HEALTH, - ZPOOL_PROP_GUID, - ZPOOL_PROP_VERSION, - ZPOOL_PROP_BOOTFS, - ZPOOL_PROP_DELEGATION, - ZPOOL_PROP_AUTOREPLACE, - ZPOOL_PROP_CACHEFILE, - ZPOOL_PROP_FAILUREMODE, - ZPOOL_PROP_LISTSNAPS, - ZPOOL_PROP_AUTOEXPAND, - ZPOOL_PROP_DEDUPDITTO, - ZPOOL_PROP_DEDUPRATIO, - ZPOOL_PROP_FREE, - ZPOOL_PROP_ALLOCATED, - ZPOOL_PROP_READONLY, - ZPOOL_NUM_PROPS -} zpool_prop_t; - -#define ZPROP_CONT -2 -#define ZPROP_INVAL -1 - -#define ZPROP_VALUE "value" -#define ZPROP_SOURCE "source" - -typedef enum { - ZPROP_SRC_NONE = 0x1, - ZPROP_SRC_DEFAULT = 0x2, - ZPROP_SRC_TEMPORARY = 0x4, - ZPROP_SRC_LOCAL = 0x8, - ZPROP_SRC_INHERITED = 0x10, - ZPROP_SRC_RECEIVED = 0x20 -} zprop_source_t; - -#define ZPROP_SRC_ALL 0x3f - -#define ZPROP_SOURCE_VAL_RECVD "$recvd" -#define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS" -/* - * Dataset flag implemented as a special entry in the props zap object - * indicating that the dataset has received properties on or after - * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties - * just as it did in earlier versions, and thereafter, local properties are - * preserved. - */ -#define ZPROP_HAS_RECVD "$hasrecvd" - -typedef enum { - ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */ - ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */ -} zprop_errflags_t; - -typedef int (*zprop_func)(int, void *); - -/* - * Properties to be set on the root file system of a new pool - * are stuffed into their own nvlist, which is then included in - * the properties nvlist with the pool properties. - */ -#define ZPOOL_ROOTFS_PROPS "root-props-nvl" - -/* - * Dataset property functions shared between libzfs and kernel. - */ -const char *zfs_prop_default_string(zfs_prop_t); -uint64_t zfs_prop_default_numeric(zfs_prop_t); -boolean_t zfs_prop_readonly(zfs_prop_t); -boolean_t zfs_prop_inheritable(zfs_prop_t); -boolean_t zfs_prop_setonce(zfs_prop_t); -const char *zfs_prop_to_name(zfs_prop_t); -zfs_prop_t zfs_name_to_prop(const char *); -boolean_t zfs_prop_user(const char *); -boolean_t zfs_prop_userquota(const char *); -int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **); -int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *); -uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed); -boolean_t zfs_prop_valid_for_type(int, zfs_type_t); - -/* - * Pool property functions shared between libzfs and kernel. - */ -zpool_prop_t zpool_name_to_prop(const char *); -const char *zpool_prop_to_name(zpool_prop_t); -const char *zpool_prop_default_string(zpool_prop_t); -uint64_t zpool_prop_default_numeric(zpool_prop_t); -boolean_t zpool_prop_readonly(zpool_prop_t); -int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **); -int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *); -uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed); - -/* - * Definitions for the Delegation. - */ -typedef enum { - ZFS_DELEG_WHO_UNKNOWN = 0, - ZFS_DELEG_USER = 'u', - ZFS_DELEG_USER_SETS = 'U', - ZFS_DELEG_GROUP = 'g', - ZFS_DELEG_GROUP_SETS = 'G', - ZFS_DELEG_EVERYONE = 'e', - ZFS_DELEG_EVERYONE_SETS = 'E', - ZFS_DELEG_CREATE = 'c', - ZFS_DELEG_CREATE_SETS = 'C', - ZFS_DELEG_NAMED_SET = 's', - ZFS_DELEG_NAMED_SET_SETS = 'S' -} zfs_deleg_who_type_t; - -typedef enum { - ZFS_DELEG_NONE = 0, - ZFS_DELEG_PERM_LOCAL = 1, - ZFS_DELEG_PERM_DESCENDENT = 2, - ZFS_DELEG_PERM_LOCALDESCENDENT = 3, - ZFS_DELEG_PERM_CREATE = 4 -} zfs_deleg_inherit_t; - -#define ZFS_DELEG_PERM_UID "uid" -#define ZFS_DELEG_PERM_GID "gid" -#define ZFS_DELEG_PERM_GROUPS "groups" - -#define ZFS_MLSLABEL_DEFAULT "none" - -#define ZFS_SMB_ACL_SRC "src" -#define ZFS_SMB_ACL_TARGET "target" - -typedef enum { - ZFS_CANMOUNT_OFF = 0, - ZFS_CANMOUNT_ON = 1, - ZFS_CANMOUNT_NOAUTO = 2 -} zfs_canmount_type_t; - -typedef enum { - ZFS_LOGBIAS_LATENCY = 0, - ZFS_LOGBIAS_THROUGHPUT = 1 -} zfs_logbias_op_t; - -typedef enum zfs_share_op { - ZFS_SHARE_NFS = 0, - ZFS_UNSHARE_NFS = 1, - ZFS_SHARE_SMB = 2, - ZFS_UNSHARE_SMB = 3 -} zfs_share_op_t; - -typedef enum zfs_smb_acl_op { - ZFS_SMB_ACL_ADD, - ZFS_SMB_ACL_REMOVE, - ZFS_SMB_ACL_RENAME, - ZFS_SMB_ACL_PURGE -} zfs_smb_acl_op_t; - -typedef enum zfs_cache_type { - ZFS_CACHE_NONE = 0, - ZFS_CACHE_METADATA = 1, - ZFS_CACHE_ALL = 2 -} zfs_cache_type_t; - -typedef enum { - ZFS_SYNC_STANDARD = 0, - ZFS_SYNC_ALWAYS = 1, - ZFS_SYNC_DISABLED = 2 -} zfs_sync_type_t; - - -/* - * On-disk version number. - */ -#define SPA_VERSION_1 1ULL -#define SPA_VERSION_2 2ULL -#define SPA_VERSION_3 3ULL -#define SPA_VERSION_4 4ULL -#define SPA_VERSION_5 5ULL -#define SPA_VERSION_6 6ULL -#define SPA_VERSION_7 7ULL -#define SPA_VERSION_8 8ULL -#define SPA_VERSION_9 9ULL -#define SPA_VERSION_10 10ULL -#define SPA_VERSION_11 11ULL -#define SPA_VERSION_12 12ULL -#define SPA_VERSION_13 13ULL -#define SPA_VERSION_14 14ULL -#define SPA_VERSION_15 15ULL -#define SPA_VERSION_16 16ULL -#define SPA_VERSION_17 17ULL -#define SPA_VERSION_18 18ULL -#define SPA_VERSION_19 19ULL -#define SPA_VERSION_20 20ULL -#define SPA_VERSION_21 21ULL -#define SPA_VERSION_22 22ULL -#define SPA_VERSION_23 23ULL -#define SPA_VERSION_24 24ULL -#define SPA_VERSION_25 25ULL -#define SPA_VERSION_26 26ULL -#define SPA_VERSION_27 27ULL -#define SPA_VERSION_28 28ULL - -/* - * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk - * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*}, - * and do the appropriate changes. Also bump the version number in - * usr/src/grub/capability. - */ -#define SPA_VERSION SPA_VERSION_28 -#define SPA_VERSION_STRING "28" - -/* - * Symbolic names for the changes that caused a SPA_VERSION switch. - * Used in the code when checking for presence or absence of a feature. - * Feel free to define multiple symbolic names for each version if there - * were multiple changes to on-disk structures during that version. - * - * NOTE: When checking the current SPA_VERSION in your code, be sure - * to use spa_version() since it reports the version of the - * last synced uberblock. Checking the in-flight version can - * be dangerous in some cases. - */ -#define SPA_VERSION_INITIAL SPA_VERSION_1 -#define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2 -#define SPA_VERSION_SPARES SPA_VERSION_3 -#define SPA_VERSION_RAIDZ2 SPA_VERSION_3 -#define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3 -#define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3 -#define SPA_VERSION_DNODE_BYTES SPA_VERSION_3 -#define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4 -#define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5 -#define SPA_VERSION_BOOTFS SPA_VERSION_6 -#define SPA_VERSION_SLOGS SPA_VERSION_7 -#define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8 -#define SPA_VERSION_FUID SPA_VERSION_9 -#define SPA_VERSION_REFRESERVATION SPA_VERSION_9 -#define SPA_VERSION_REFQUOTA SPA_VERSION_9 -#define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 -#define SPA_VERSION_L2CACHE SPA_VERSION_10 -#define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 -#define SPA_VERSION_ORIGIN SPA_VERSION_11 -#define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 -#define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 -#define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 -#define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 -#define SPA_VERSION_USERSPACE SPA_VERSION_15 -#define SPA_VERSION_STMF_PROP SPA_VERSION_16 -#define SPA_VERSION_RAIDZ3 SPA_VERSION_17 -#define SPA_VERSION_USERREFS SPA_VERSION_18 -#define SPA_VERSION_HOLES SPA_VERSION_19 -#define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20 -#define SPA_VERSION_DEDUP SPA_VERSION_21 -#define SPA_VERSION_RECVD_PROPS SPA_VERSION_22 -#define SPA_VERSION_SLIM_ZIL SPA_VERSION_23 -#define SPA_VERSION_SA SPA_VERSION_24 -#define SPA_VERSION_SCAN SPA_VERSION_25 -#define SPA_VERSION_DIR_CLONES SPA_VERSION_26 -#define SPA_VERSION_DEADLISTS SPA_VERSION_26 -#define SPA_VERSION_FAST_SNAP SPA_VERSION_27 -#define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28 - -/* - * ZPL version - rev'd whenever an incompatible on-disk format change - * occurs. This is independent of SPA/DMU/ZAP versioning. You must - * also update the version_table[] and help message in zfs_prop.c. - * - * When changing, be sure to teach GRUB how to read the new format! - * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*} - */ -#define ZPL_VERSION_1 1ULL -#define ZPL_VERSION_2 2ULL -#define ZPL_VERSION_3 3ULL -#define ZPL_VERSION_4 4ULL -#define ZPL_VERSION_5 5ULL -#define ZPL_VERSION ZPL_VERSION_5 -#define ZPL_VERSION_STRING "5" - -#define ZPL_VERSION_INITIAL ZPL_VERSION_1 -#define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2 -#define ZPL_VERSION_FUID ZPL_VERSION_3 -#define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3 -#define ZPL_VERSION_SYSATTR ZPL_VERSION_3 -#define ZPL_VERSION_USERSPACE ZPL_VERSION_4 -#define ZPL_VERSION_SA ZPL_VERSION_5 - -/* Rewind request information */ -#define ZPOOL_NO_REWIND 1 /* No policy - default behavior */ -#define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */ -#define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */ -#define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */ -#define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */ -#define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */ -#define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */ - -typedef struct zpool_rewind_policy { - uint32_t zrp_request; /* rewind behavior requested */ - uint64_t zrp_maxmeta; /* max acceptable meta-data errors */ - uint64_t zrp_maxdata; /* max acceptable data errors */ - uint64_t zrp_txg; /* specific txg to load */ -} zpool_rewind_policy_t; - -/* - * The following are configuration names used in the nvlist describing a pool's - * configuration. - */ -#define ZPOOL_CONFIG_VERSION "version" -#define ZPOOL_CONFIG_POOL_NAME "name" -#define ZPOOL_CONFIG_POOL_STATE "state" -#define ZPOOL_CONFIG_POOL_TXG "txg" -#define ZPOOL_CONFIG_POOL_GUID "pool_guid" -#define ZPOOL_CONFIG_CREATE_TXG "create_txg" -#define ZPOOL_CONFIG_TOP_GUID "top_guid" -#define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" -#define ZPOOL_CONFIG_TYPE "type" -#define ZPOOL_CONFIG_CHILDREN "children" -#define ZPOOL_CONFIG_ID "id" -#define ZPOOL_CONFIG_GUID "guid" -#define ZPOOL_CONFIG_PATH "path" -#define ZPOOL_CONFIG_DEVID "devid" -#define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" -#define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" -#define ZPOOL_CONFIG_ASHIFT "ashift" -#define ZPOOL_CONFIG_ASIZE "asize" -#define ZPOOL_CONFIG_DTL "DTL" -#define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */ -#define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */ -#define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" -#define ZPOOL_CONFIG_ERRCOUNT "error_count" -#define ZPOOL_CONFIG_NOT_PRESENT "not_present" -#define ZPOOL_CONFIG_SPARES "spares" -#define ZPOOL_CONFIG_IS_SPARE "is_spare" -#define ZPOOL_CONFIG_NPARITY "nparity" -#define ZPOOL_CONFIG_HOSTID "hostid" -#define ZPOOL_CONFIG_HOSTNAME "hostname" -#define ZPOOL_CONFIG_LOADED_TIME "initial_load_time" -#define ZPOOL_CONFIG_UNSPARE "unspare" -#define ZPOOL_CONFIG_PHYS_PATH "phys_path" -#define ZPOOL_CONFIG_IS_LOG "is_log" -#define ZPOOL_CONFIG_L2CACHE "l2cache" -#define ZPOOL_CONFIG_HOLE_ARRAY "hole_array" -#define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children" -#define ZPOOL_CONFIG_IS_HOLE "is_hole" -#define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram" -#define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats" -#define ZPOOL_CONFIG_DDT_STATS "ddt_stats" -#define ZPOOL_CONFIG_SPLIT "splitcfg" -#define ZPOOL_CONFIG_ORIG_GUID "orig_guid" -#define ZPOOL_CONFIG_SPLIT_GUID "split_guid" -#define ZPOOL_CONFIG_SPLIT_LIST "guid_list" -#define ZPOOL_CONFIG_REMOVING "removing" -#define ZPOOL_CONFIG_RESILVERING "resilvering" -#define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ -#define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ -#define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */ -#define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */ -#define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */ -/* - * The persistent vdev state is stored as separate values rather than a single - * 'vdev_state' entry. This is because a device can be in multiple states, such - * as offline and degraded. - */ -#define ZPOOL_CONFIG_OFFLINE "offline" -#define ZPOOL_CONFIG_FAULTED "faulted" -#define ZPOOL_CONFIG_DEGRADED "degraded" -#define ZPOOL_CONFIG_REMOVED "removed" -#define ZPOOL_CONFIG_FRU "fru" -#define ZPOOL_CONFIG_AUX_STATE "aux_state" - -/* Rewind policy parameters */ -#define ZPOOL_REWIND_POLICY "rewind-policy" -#define ZPOOL_REWIND_REQUEST "rewind-request" -#define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg" -#define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh" -#define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh" - -/* Rewind data discovered */ -#define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts" -#define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors" -#define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind" - -#define VDEV_TYPE_ROOT "root" -#define VDEV_TYPE_MIRROR "mirror" -#define VDEV_TYPE_REPLACING "replacing" -#define VDEV_TYPE_RAIDZ "raidz" -#define VDEV_TYPE_DISK "disk" -#define VDEV_TYPE_FILE "file" -#define VDEV_TYPE_MISSING "missing" -#define VDEV_TYPE_HOLE "hole" -#define VDEV_TYPE_SPARE "spare" -#define VDEV_TYPE_LOG "log" -#define VDEV_TYPE_L2CACHE "l2cache" - -/* - * This is needed in userland to report the minimum necessary device size. - */ -#define SPA_MINDEVSIZE (64ULL << 20) - -/* - * The location of the pool configuration repository, shared between kernel and - * userland. - */ -#define ZPOOL_CACHE "/etc/zfs/zpool.cache" - -/* - * vdev states are ordered from least to most healthy. - * A vdev that's CANT_OPEN or below is considered unusable. - */ -typedef enum vdev_state { - VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */ - VDEV_STATE_CLOSED, /* Not currently open */ - VDEV_STATE_OFFLINE, /* Not allowed to open */ - VDEV_STATE_REMOVED, /* Explicitly removed from system */ - VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */ - VDEV_STATE_FAULTED, /* External request to fault device */ - VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */ - VDEV_STATE_HEALTHY /* Presumed good */ -} vdev_state_t; - -#define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY - -/* - * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field - * of the vdev stats structure uses these constants to distinguish why. - */ -typedef enum vdev_aux { - VDEV_AUX_NONE, /* no error */ - VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */ - VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */ - VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */ - VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */ - VDEV_AUX_TOO_SMALL, /* vdev size is too small */ - VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */ - VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */ - VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */ - VDEV_AUX_SPARED, /* hot spare used in another pool */ - VDEV_AUX_ERR_EXCEEDED, /* too many errors */ - VDEV_AUX_IO_FAILURE, /* experienced I/O failure */ - VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */ - VDEV_AUX_EXTERNAL, /* external diagnosis */ - VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */ -} vdev_aux_t; - -/* - * pool state. The following states are written to disk as part of the normal - * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining - * states are software abstractions used at various levels to communicate - * pool state. - */ -typedef enum pool_state { - POOL_STATE_ACTIVE = 0, /* In active use */ - POOL_STATE_EXPORTED, /* Explicitly exported */ - POOL_STATE_DESTROYED, /* Explicitly destroyed */ - POOL_STATE_SPARE, /* Reserved for hot spare use */ - POOL_STATE_L2CACHE, /* Level 2 ARC device */ - POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ - POOL_STATE_UNAVAIL, /* Internal libzfs state */ - POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ -} pool_state_t; - -/* - * Scan Functions. - */ -typedef enum pool_scan_func { - POOL_SCAN_NONE, - POOL_SCAN_SCRUB, - POOL_SCAN_RESILVER, - POOL_SCAN_FUNCS -} pool_scan_func_t; - -/* - * ZIO types. Needed to interpret vdev statistics below. - */ -typedef enum zio_type { - ZIO_TYPE_NULL = 0, - ZIO_TYPE_READ, - ZIO_TYPE_WRITE, - ZIO_TYPE_FREE, - ZIO_TYPE_CLAIM, - ZIO_TYPE_IOCTL, - ZIO_TYPES -} zio_type_t; - -/* - * Pool statistics. Note: all fields should be 64-bit because this - * is passed between kernel and userland as an nvlist uint64 array. - */ -typedef struct pool_scan_stat { - /* values stored on disk */ - uint64_t pss_func; /* pool_scan_func_t */ - uint64_t pss_state; /* dsl_scan_state_t */ - uint64_t pss_start_time; /* scan start time */ - uint64_t pss_end_time; /* scan end time */ - uint64_t pss_to_examine; /* total bytes to scan */ - uint64_t pss_examined; /* total examined bytes */ - uint64_t pss_to_process; /* total bytes to process */ - uint64_t pss_processed; /* total processed bytes */ - uint64_t pss_errors; /* scan errors */ - - /* values not stored on disk */ - uint64_t pss_pass_exam; /* examined bytes per scan pass */ - uint64_t pss_pass_start; /* start time of a scan pass */ -} pool_scan_stat_t; - -typedef enum dsl_scan_state { - DSS_NONE, - DSS_SCANNING, - DSS_FINISHED, - DSS_CANCELED, - DSS_NUM_STATES -} dsl_scan_state_t; - - -/* - * Vdev statistics. Note: all fields should be 64-bit because this - * is passed between kernel and userland as an nvlist uint64 array. - */ -typedef struct vdev_stat { - hrtime_t vs_timestamp; /* time since vdev load */ - uint64_t vs_state; /* vdev state */ - uint64_t vs_aux; /* see vdev_aux_t */ - uint64_t vs_alloc; /* space allocated */ - uint64_t vs_space; /* total capacity */ - uint64_t vs_dspace; /* deflated capacity */ - uint64_t vs_rsize; /* replaceable dev size */ - uint64_t vs_ops[ZIO_TYPES]; /* operation count */ - uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */ - uint64_t vs_read_errors; /* read errors */ - uint64_t vs_write_errors; /* write errors */ - uint64_t vs_checksum_errors; /* checksum errors */ - uint64_t vs_self_healed; /* self-healed bytes */ - uint64_t vs_scan_removing; /* removing? */ - uint64_t vs_scan_processed; /* scan processed bytes */ -} vdev_stat_t; - -/* - * DDT statistics. Note: all fields should be 64-bit because this - * is passed between kernel and userland as an nvlist uint64 array. - */ -typedef struct ddt_object { - uint64_t ddo_count; /* number of elments in ddt */ - uint64_t ddo_dspace; /* size of ddt on disk */ - uint64_t ddo_mspace; /* size of ddt in-core */ -} ddt_object_t; - -typedef struct ddt_stat { - uint64_t dds_blocks; /* blocks */ - uint64_t dds_lsize; /* logical size */ - uint64_t dds_psize; /* physical size */ - uint64_t dds_dsize; /* deflated allocated size */ - uint64_t dds_ref_blocks; /* referenced blocks */ - uint64_t dds_ref_lsize; /* referenced lsize * refcnt */ - uint64_t dds_ref_psize; /* referenced psize * refcnt */ - uint64_t dds_ref_dsize; /* referenced dsize * refcnt */ -} ddt_stat_t; - -typedef struct ddt_histogram { - ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */ -} ddt_histogram_t; - -#define ZVOL_DRIVER "zvol" -#define ZFS_DRIVER "zfs" -#define ZFS_DEV "/dev/zfs" - -/* general zvol path */ -#define ZVOL_DIR "/dev" - -#define ZVOL_MAJOR 230 -#define ZVOL_MINOR_BITS 4 -#define ZVOL_MINOR_MASK ((1U << ZVOL_MINOR_BITS) - 1) -#define ZVOL_MINORS (1 << 4) - -#define ZVOL_PROP_NAME "name" -#define ZVOL_DEFAULT_BLOCKSIZE 8192 - -/* - * /dev/zfs ioctl numbers. - */ -#define ZFS_IOC ('Z' << 8) - -typedef enum zfs_ioc { - ZFS_IOC_POOL_CREATE = ZFS_IOC, - ZFS_IOC_POOL_DESTROY, - ZFS_IOC_POOL_IMPORT, - ZFS_IOC_POOL_EXPORT, - ZFS_IOC_POOL_CONFIGS, - ZFS_IOC_POOL_STATS, - ZFS_IOC_POOL_TRYIMPORT, - ZFS_IOC_POOL_SCAN, - ZFS_IOC_POOL_FREEZE, - ZFS_IOC_POOL_UPGRADE, - ZFS_IOC_POOL_GET_HISTORY, - ZFS_IOC_VDEV_ADD, - ZFS_IOC_VDEV_REMOVE, - ZFS_IOC_VDEV_SET_STATE, - ZFS_IOC_VDEV_ATTACH, - ZFS_IOC_VDEV_DETACH, - ZFS_IOC_VDEV_SETPATH, - ZFS_IOC_VDEV_SETFRU, - ZFS_IOC_OBJSET_STATS, - ZFS_IOC_OBJSET_ZPLPROPS, - ZFS_IOC_DATASET_LIST_NEXT, - ZFS_IOC_SNAPSHOT_LIST_NEXT, - ZFS_IOC_SET_PROP, - ZFS_IOC_CREATE_MINOR, - ZFS_IOC_REMOVE_MINOR, - ZFS_IOC_CREATE, - ZFS_IOC_DESTROY, - ZFS_IOC_ROLLBACK, - ZFS_IOC_RENAME, - ZFS_IOC_RECV, - ZFS_IOC_SEND, - ZFS_IOC_INJECT_FAULT, - ZFS_IOC_CLEAR_FAULT, - ZFS_IOC_INJECT_LIST_NEXT, - ZFS_IOC_ERROR_LOG, - ZFS_IOC_CLEAR, - ZFS_IOC_PROMOTE, - ZFS_IOC_DESTROY_SNAPS, - ZFS_IOC_SNAPSHOT, - ZFS_IOC_DSOBJ_TO_DSNAME, - ZFS_IOC_OBJ_TO_PATH, - ZFS_IOC_POOL_SET_PROPS, - ZFS_IOC_POOL_GET_PROPS, - ZFS_IOC_SET_FSACL, - ZFS_IOC_GET_FSACL, - ZFS_IOC_SHARE, - ZFS_IOC_INHERIT_PROP, - ZFS_IOC_SMB_ACL, - ZFS_IOC_USERSPACE_ONE, - ZFS_IOC_USERSPACE_MANY, - ZFS_IOC_USERSPACE_UPGRADE, - ZFS_IOC_HOLD, - ZFS_IOC_RELEASE, - ZFS_IOC_GET_HOLDS, - ZFS_IOC_OBJSET_RECVD_PROPS, - ZFS_IOC_VDEV_SPLIT, - ZFS_IOC_NEXT_OBJ, - ZFS_IOC_DIFF, - ZFS_IOC_TMP_SNAPSHOT, - ZFS_IOC_OBJ_TO_STATS, - ZFS_IOC_EVENTS_NEXT, - ZFS_IOC_EVENTS_CLEAR, -} zfs_ioc_t; - -/* - * Internal SPA load state. Used by FMA diagnosis engine. - */ -typedef enum { - SPA_LOAD_NONE, /* no load in progress */ - SPA_LOAD_OPEN, /* normal open */ - SPA_LOAD_IMPORT, /* import in progress */ - SPA_LOAD_TRYIMPORT, /* tryimport in progress */ - SPA_LOAD_RECOVER, /* recovery requested */ - SPA_LOAD_ERROR /* load failed */ -} spa_load_state_t; - -/* - * Bookmark name values. - */ -#define ZPOOL_ERR_LIST "error list" -#define ZPOOL_ERR_DATASET "dataset" -#define ZPOOL_ERR_OBJECT "object" - -#define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1) - -/* - * The following are names used in the nvlist describing - * the pool's history log. - */ -#define ZPOOL_HIST_RECORD "history record" -#define ZPOOL_HIST_TIME "history time" -#define ZPOOL_HIST_CMD "history command" -#define ZPOOL_HIST_WHO "history who" -#define ZPOOL_HIST_ZONE "history zone" -#define ZPOOL_HIST_HOST "history hostname" -#define ZPOOL_HIST_TXG "history txg" -#define ZPOOL_HIST_INT_EVENT "history internal event" -#define ZPOOL_HIST_INT_STR "history internal str" - -/* - * Flags for ZFS_IOC_VDEV_SET_STATE - */ -#define ZFS_ONLINE_CHECKREMOVE 0x1 -#define ZFS_ONLINE_UNSPARE 0x2 -#define ZFS_ONLINE_FORCEFAULT 0x4 -#define ZFS_ONLINE_EXPAND 0x8 -#define ZFS_OFFLINE_TEMPORARY 0x1 - -/* - * Flags for ZFS_IOC_POOL_IMPORT - */ -#define ZFS_IMPORT_NORMAL 0x0 -#define ZFS_IMPORT_VERBATIM 0x1 -#define ZFS_IMPORT_ANY_HOST 0x2 -#define ZFS_IMPORT_MISSING_LOG 0x4 -#define ZFS_IMPORT_ONLY 0x8 - -/* - * Sysevent payload members. ZFS will generate the following sysevents with the - * given payloads: - * - * ESC_ZFS_RESILVER_START - * ESC_ZFS_RESILVER_END - * ESC_ZFS_POOL_DESTROY - * - * ZFS_EV_POOL_NAME DATA_TYPE_STRING - * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 - * - * ESC_ZFS_VDEV_REMOVE - * ESC_ZFS_VDEV_CLEAR - * ESC_ZFS_VDEV_CHECK - * - * ZFS_EV_POOL_NAME DATA_TYPE_STRING - * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 - * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional) - * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64 - */ -#define ZFS_EV_POOL_NAME "pool_name" -#define ZFS_EV_POOL_GUID "pool_guid" -#define ZFS_EV_VDEV_PATH "vdev_path" -#define ZFS_EV_VDEV_GUID "vdev_guid" - -/* - * Note: This is encoded on-disk, so new events must be added to the - * end, and unused events can not be removed. Be sure to edit - * libzfs_pool.c: hist_event_table[]. - */ -typedef enum history_internal_events { - LOG_NO_EVENT = 0, - LOG_POOL_CREATE, - LOG_POOL_VDEV_ADD, - LOG_POOL_REMOVE, - LOG_POOL_DESTROY, - LOG_POOL_EXPORT, - LOG_POOL_IMPORT, - LOG_POOL_VDEV_ATTACH, - LOG_POOL_VDEV_REPLACE, - LOG_POOL_VDEV_DETACH, - LOG_POOL_VDEV_ONLINE, - LOG_POOL_VDEV_OFFLINE, - LOG_POOL_UPGRADE, - LOG_POOL_CLEAR, - LOG_POOL_SCAN, - LOG_POOL_PROPSET, - LOG_DS_CREATE, - LOG_DS_CLONE, - LOG_DS_DESTROY, - LOG_DS_DESTROY_BEGIN, - LOG_DS_INHERIT, - LOG_DS_PROPSET, - LOG_DS_QUOTA, - LOG_DS_PERM_UPDATE, - LOG_DS_PERM_REMOVE, - LOG_DS_PERM_WHO_REMOVE, - LOG_DS_PROMOTE, - LOG_DS_RECEIVE, - LOG_DS_RENAME, - LOG_DS_RESERVATION, - LOG_DS_REPLAY_INC_SYNC, - LOG_DS_REPLAY_FULL_SYNC, - LOG_DS_ROLLBACK, - LOG_DS_SNAPSHOT, - LOG_DS_UPGRADE, - LOG_DS_REFQUOTA, - LOG_DS_REFRESERV, - LOG_POOL_SCAN_DONE, - LOG_DS_USER_HOLD, - LOG_DS_USER_RELEASE, - LOG_POOL_SPLIT, - LOG_END -} history_internal_events_t; - -#ifdef __cplusplus -} -#endif - -#endif /* _SYS_FS_ZFS_H */