| /* |
| * 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. |
| * Copyright (c) 2011, 2018 by Delphix. All rights reserved. |
| * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
| * Copyright (c) 2013, 2017 Joyent, Inc. All rights reserved. |
| * Copyright (c) 2014 Integros [integros.com] |
| * Copyright (c) 2017, Intel Corporation. |
| * Copyright (c) 2019 Datto Inc. |
| */ |
| |
| /* Portions Copyright 2010 Robert Milkowski */ |
| |
| #ifndef _SYS_FS_ZFS_H |
| #define _SYS_FS_ZFS_H |
| |
| #include <sys/time.h> |
| #include <sys/zio_priority.h> |
| |
| #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 = (1 << 0), |
| ZFS_TYPE_SNAPSHOT = (1 << 1), |
| ZFS_TYPE_VOLUME = (1 << 2), |
| ZFS_TYPE_POOL = (1 << 3), |
| ZFS_TYPE_BOOKMARK = (1 << 4) |
| } zfs_type_t; |
| |
| /* |
| * NB: lzc_dataset_type should be updated whenever a new objset type is added, |
| * if it represents a real type of a dataset that can be created from userland. |
| */ |
| typedef enum dmu_objset_type { |
| DMU_OST_NONE, |
| DMU_OST_META, |
| DMU_OST_ZFS, |
| DMU_OST_ZVOL, |
| DMU_OST_OTHER, /* For testing only! */ |
| DMU_OST_ANY, /* Be careful! */ |
| DMU_OST_NUMTYPES |
| } dmu_objset_type_t; |
| |
| #define ZFS_TYPE_DATASET \ |
| (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT) |
| |
| /* |
| * All of these include the terminating NUL byte. |
| */ |
| #define ZAP_MAXNAMELEN 256 |
| #define ZAP_MAXVALUELEN (1024 * 8) |
| #define ZAP_OLDMAXVALUELEN 1024 |
| #define ZFS_MAX_DATASET_NAME_LEN 256 |
| |
| /* |
| * 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 module/zcommon/zfs_prop.c. |
| */ |
| typedef enum { |
| ZPROP_CONT = -2, |
| ZPROP_INVAL = -1, |
| ZFS_PROP_TYPE = 0, |
| 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, |
| 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, |
| ZFS_PROP_DEDUP, |
| ZFS_PROP_MLSLABEL, |
| ZFS_PROP_SYNC, |
| ZFS_PROP_DNODESIZE, |
| ZFS_PROP_REFRATIO, |
| ZFS_PROP_WRITTEN, |
| ZFS_PROP_CLONES, |
| ZFS_PROP_LOGICALUSED, |
| ZFS_PROP_LOGICALREFERENCED, |
| ZFS_PROP_INCONSISTENT, /* not exposed to the user */ |
| ZFS_PROP_VOLMODE, |
| ZFS_PROP_FILESYSTEM_LIMIT, |
| ZFS_PROP_SNAPSHOT_LIMIT, |
| ZFS_PROP_FILESYSTEM_COUNT, |
| ZFS_PROP_SNAPSHOT_COUNT, |
| ZFS_PROP_SNAPDEV, |
| ZFS_PROP_ACLTYPE, |
| ZFS_PROP_SELINUX_CONTEXT, |
| ZFS_PROP_SELINUX_FSCONTEXT, |
| ZFS_PROP_SELINUX_DEFCONTEXT, |
| ZFS_PROP_SELINUX_ROOTCONTEXT, |
| ZFS_PROP_RELATIME, |
| ZFS_PROP_REDUNDANT_METADATA, |
| ZFS_PROP_OVERLAY, |
| ZFS_PROP_PREV_SNAP, |
| ZFS_PROP_RECEIVE_RESUME_TOKEN, |
| ZFS_PROP_ENCRYPTION, |
| ZFS_PROP_KEYLOCATION, |
| ZFS_PROP_KEYFORMAT, |
| ZFS_PROP_PBKDF2_SALT, |
| ZFS_PROP_PBKDF2_ITERS, |
| ZFS_PROP_ENCRYPTION_ROOT, |
| ZFS_PROP_KEY_GUID, |
| ZFS_PROP_KEYSTATUS, |
| ZFS_PROP_REMAPTXG, /* not exposed to the user */ |
| ZFS_PROP_SPECIAL_SMALL_BLOCKS, |
| ZFS_PROP_IVSET_GUID, /* not exposed to the user */ |
| ZFS_NUM_PROPS |
| } zfs_prop_t; |
| |
| typedef enum { |
| ZFS_PROP_USERUSED, |
| ZFS_PROP_USERQUOTA, |
| ZFS_PROP_GROUPUSED, |
| ZFS_PROP_GROUPQUOTA, |
| ZFS_PROP_USEROBJUSED, |
| ZFS_PROP_USEROBJQUOTA, |
| ZFS_PROP_GROUPOBJUSED, |
| ZFS_PROP_GROUPOBJQUOTA, |
| ZFS_PROP_PROJECTUSED, |
| ZFS_PROP_PROJECTQUOTA, |
| ZFS_PROP_PROJECTOBJUSED, |
| ZFS_PROP_PROJECTOBJQUOTA, |
| 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 module/zcommon/zpool_prop.c. |
| */ |
| typedef enum { |
| ZPOOL_PROP_INVAL = -1, |
| 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_PROP_ASHIFT, |
| ZPOOL_PROP_COMMENT, |
| ZPOOL_PROP_EXPANDSZ, |
| ZPOOL_PROP_FREEING, |
| ZPOOL_PROP_FRAGMENTATION, |
| ZPOOL_PROP_LEAKED, |
| ZPOOL_PROP_MAXBLOCKSIZE, |
| ZPOOL_PROP_TNAME, |
| ZPOOL_PROP_MAXDNODESIZE, |
| ZPOOL_PROP_MULTIHOST, |
| ZPOOL_PROP_CHECKPOINT, |
| ZPOOL_PROP_LOAD_GUID, |
| ZPOOL_PROP_AUTOTRIM, |
| ZPOOL_NUM_PROPS |
| } zpool_prop_t; |
| |
| /* Small enough to not hog a whole line of printout in zpool(1M). */ |
| #define ZPROP_MAX_COMMENT 32 |
| |
| #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" |
| |
| /* |
| * Length of 'written@' and 'written#' |
| */ |
| #define ZFS_WRITTEN_PROP_PREFIX_LEN 8 |
| |
| /* |
| * 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_visible(zfs_prop_t prop); |
| boolean_t zfs_prop_inheritable(zfs_prop_t); |
| boolean_t zfs_prop_setonce(zfs_prop_t); |
| boolean_t zfs_prop_encryption_key_param(zfs_prop_t); |
| boolean_t zfs_prop_valid_keylocation(const char *, boolean_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 *); |
| boolean_t zfs_prop_written(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, boolean_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); |
| boolean_t zpool_prop_setonce(zpool_prop_t); |
| boolean_t zpool_prop_feature(const char *); |
| boolean_t zpool_prop_unsupported(const char *); |
| 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; |
| |
| typedef enum { |
| ZFS_XATTR_OFF = 0, |
| ZFS_XATTR_DIR = 1, |
| ZFS_XATTR_SA = 2 |
| } zfs_xattr_type_t; |
| |
| typedef enum { |
| ZFS_DNSIZE_LEGACY = 0, |
| ZFS_DNSIZE_AUTO = 1, |
| ZFS_DNSIZE_1K = 1024, |
| ZFS_DNSIZE_2K = 2048, |
| ZFS_DNSIZE_4K = 4096, |
| ZFS_DNSIZE_8K = 8192, |
| ZFS_DNSIZE_16K = 16384 |
| } zfs_dnsize_type_t; |
| |
| typedef enum { |
| ZFS_REDUNDANT_METADATA_ALL, |
| ZFS_REDUNDANT_METADATA_MOST |
| } zfs_redundant_metadata_type_t; |
| |
| typedef enum { |
| ZFS_VOLMODE_DEFAULT = 0, |
| ZFS_VOLMODE_GEOM = 1, |
| ZFS_VOLMODE_DEV = 2, |
| ZFS_VOLMODE_NONE = 3 |
| } zfs_volmode_t; |
| |
| typedef enum zfs_keystatus { |
| ZFS_KEYSTATUS_NONE = 0, |
| ZFS_KEYSTATUS_UNAVAILABLE, |
| ZFS_KEYSTATUS_AVAILABLE, |
| } zfs_keystatus_t; |
| |
| typedef enum zfs_keyformat { |
| ZFS_KEYFORMAT_NONE = 0, |
| ZFS_KEYFORMAT_RAW, |
| ZFS_KEYFORMAT_HEX, |
| ZFS_KEYFORMAT_PASSPHRASE, |
| ZFS_KEYFORMAT_FORMATS |
| } zfs_keyformat_t; |
| |
| typedef enum zfs_key_location { |
| ZFS_KEYLOCATION_NONE = 0, |
| ZFS_KEYLOCATION_PROMPT, |
| ZFS_KEYLOCATION_URI, |
| ZFS_KEYLOCATION_LOCATIONS |
| } zfs_keylocation_t; |
| |
| #define DEFAULT_PBKDF2_ITERATIONS 350000 |
| #define MIN_PBKDF2_ITERATIONS 100000 |
| |
| /* |
| * 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 |
| #define SPA_VERSION_5000 5000ULL |
| |
| /* |
| * The incrementing pool version number has been replaced by pool feature |
| * flags. For more details, see zfeature.c. |
| */ |
| #define SPA_VERSION SPA_VERSION_5000 |
| #define SPA_VERSION_STRING "5000" |
| |
| /* |
| * 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 |
| #define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28 |
| #define SPA_VERSION_FEATURES SPA_VERSION_5000 |
| |
| #define SPA_VERSION_IS_SUPPORTED(v) \ |
| (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \ |
| ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION)) |
| |
| /* |
| * 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. |
| */ |
| #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 policy 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_load_policy { |
| uint32_t zlp_rewind; /* rewind policy requested */ |
| uint64_t zlp_maxmeta; /* max acceptable meta-data errors */ |
| uint64_t zlp_maxdata; /* max acceptable data errors */ |
| uint64_t zlp_txg; /* specific txg to load */ |
| } zpool_load_policy_t; |
| |
| /* |
| * The following are configuration names used in the nvlist describing a pool's |
| * configuration. New on-disk names should be prefixed with "<reverse-DNS>:" |
| * (e.g. "org.open-zfs:") to avoid conflicting names being developed |
| * independently. |
| */ |
| #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_INDIRECT_OBJECT "com.delphix:indirect_object" |
| #define ZPOOL_CONFIG_INDIRECT_BIRTHS "com.delphix:indirect_births" |
| #define ZPOOL_CONFIG_PREV_INDIRECT_VDEV "com.delphix:prev_indirect_vdev" |
| #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_REMOVAL_STATS "removal_stats" /* not stored on disk */ |
| #define ZPOOL_CONFIG_CHECKPOINT_STATS "checkpoint_stats" /* not on disk */ |
| #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */ |
| #define ZPOOL_CONFIG_INDIRECT_SIZE "indirect_size" /* not stored on disk */ |
| |
| /* container nvlist of extended stats */ |
| #define ZPOOL_CONFIG_VDEV_STATS_EX "vdev_stats_ex" |
| |
| /* Active queue read/write stats */ |
| #define ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE "vdev_sync_r_active_queue" |
| #define ZPOOL_CONFIG_VDEV_SYNC_W_ACTIVE_QUEUE "vdev_sync_w_active_queue" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE "vdev_async_r_active_queue" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE "vdev_async_w_active_queue" |
| #define ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE "vdev_async_scrub_active_queue" |
| #define ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE "vdev_async_trim_active_queue" |
| |
| /* Queue sizes */ |
| #define ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE "vdev_sync_r_pend_queue" |
| #define ZPOOL_CONFIG_VDEV_SYNC_W_PEND_QUEUE "vdev_sync_w_pend_queue" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_R_PEND_QUEUE "vdev_async_r_pend_queue" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_W_PEND_QUEUE "vdev_async_w_pend_queue" |
| #define ZPOOL_CONFIG_VDEV_SCRUB_PEND_QUEUE "vdev_async_scrub_pend_queue" |
| #define ZPOOL_CONFIG_VDEV_TRIM_PEND_QUEUE "vdev_async_trim_pend_queue" |
| |
| /* Latency read/write histogram stats */ |
| #define ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO "vdev_tot_r_lat_histo" |
| #define ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO "vdev_tot_w_lat_histo" |
| #define ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO "vdev_disk_r_lat_histo" |
| #define ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO "vdev_disk_w_lat_histo" |
| #define ZPOOL_CONFIG_VDEV_SYNC_R_LAT_HISTO "vdev_sync_r_lat_histo" |
| #define ZPOOL_CONFIG_VDEV_SYNC_W_LAT_HISTO "vdev_sync_w_lat_histo" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_R_LAT_HISTO "vdev_async_r_lat_histo" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO "vdev_async_w_lat_histo" |
| #define ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO "vdev_scrub_histo" |
| #define ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO "vdev_trim_histo" |
| |
| /* Request size histograms */ |
| #define ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO "vdev_sync_ind_r_histo" |
| #define ZPOOL_CONFIG_VDEV_SYNC_IND_W_HISTO "vdev_sync_ind_w_histo" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_IND_R_HISTO "vdev_async_ind_r_histo" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_IND_W_HISTO "vdev_async_ind_w_histo" |
| #define ZPOOL_CONFIG_VDEV_IND_SCRUB_HISTO "vdev_ind_scrub_histo" |
| #define ZPOOL_CONFIG_VDEV_IND_TRIM_HISTO "vdev_ind_trim_histo" |
| #define ZPOOL_CONFIG_VDEV_SYNC_AGG_R_HISTO "vdev_sync_agg_r_histo" |
| #define ZPOOL_CONFIG_VDEV_SYNC_AGG_W_HISTO "vdev_sync_agg_w_histo" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_AGG_R_HISTO "vdev_async_agg_r_histo" |
| #define ZPOOL_CONFIG_VDEV_ASYNC_AGG_W_HISTO "vdev_async_agg_w_histo" |
| #define ZPOOL_CONFIG_VDEV_AGG_SCRUB_HISTO "vdev_agg_scrub_histo" |
| #define ZPOOL_CONFIG_VDEV_AGG_TRIM_HISTO "vdev_agg_trim_histo" |
| |
| /* Number of slow IOs */ |
| #define ZPOOL_CONFIG_VDEV_SLOW_IOS "vdev_slow_ios" |
| |
| /* vdev enclosure sysfs path */ |
| #define ZPOOL_CONFIG_VDEV_ENC_SYSFS_PATH "vdev_enc_sysfs_path" |
| |
| #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_RESILVER_TXG "resilver_txg" |
| #define ZPOOL_CONFIG_COMMENT "comment" |
| #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ |
| #define ZPOOL_CONFIG_SUSPENDED_REASON "suspended_reason" /* not stored */ |
| #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 */ |
| #define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */ |
| #define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */ |
| #define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */ |
| #define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */ |
| #define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read" |
| #define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */ |
| #define ZPOOL_CONFIG_ERRATA "errata" /* not stored on disk */ |
| #define ZPOOL_CONFIG_VDEV_TOP_ZAP "com.delphix:vdev_zap_top" |
| #define ZPOOL_CONFIG_VDEV_LEAF_ZAP "com.delphix:vdev_zap_leaf" |
| #define ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS "com.delphix:has_per_vdev_zaps" |
| #define ZPOOL_CONFIG_RESILVER_DEFER "com.datto:resilver_defer" |
| #define ZPOOL_CONFIG_CACHEFILE "cachefile" /* not stored on disk */ |
| #define ZPOOL_CONFIG_MMP_STATE "mmp_state" /* not stored on disk */ |
| #define ZPOOL_CONFIG_MMP_TXG "mmp_txg" /* not stored on disk */ |
| #define ZPOOL_CONFIG_MMP_SEQ "mmp_seq" /* not stored on disk */ |
| #define ZPOOL_CONFIG_MMP_HOSTNAME "mmp_hostname" /* not stored on disk */ |
| #define ZPOOL_CONFIG_MMP_HOSTID "mmp_hostid" /* not stored on disk */ |
| #define ZPOOL_CONFIG_ALLOCATION_BIAS "alloc_bias" /* not stored on disk */ |
| #define ZPOOL_CONFIG_EXPANSION_TIME "expansion_time" /* not stored */ |
| |
| /* |
| * 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" |
| |
| /* Pool load policy parameters */ |
| #define ZPOOL_LOAD_POLICY "load-policy" |
| #define ZPOOL_LOAD_REWIND_POLICY "load-rewind-policy" |
| #define ZPOOL_LOAD_REQUEST_TXG "load-request-txg" |
| #define ZPOOL_LOAD_META_THRESH "load-meta-thresh" |
| #define ZPOOL_LOAD_DATA_THRESH "load-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" |
| #define VDEV_TYPE_INDIRECT "indirect" |
| |
| /* VDEV_TOP_ZAP_* are used in top-level vdev ZAP objects. */ |
| #define VDEV_TOP_ZAP_INDIRECT_OBSOLETE_SM \ |
| "com.delphix:indirect_obsolete_sm" |
| #define VDEV_TOP_ZAP_OBSOLETE_COUNTS_ARE_PRECISE \ |
| "com.delphix:obsolete_counts_are_precise" |
| #define VDEV_TOP_ZAP_POOL_CHECKPOINT_SM \ |
| "com.delphix:pool_checkpoint_sm" |
| |
| #define VDEV_TOP_ZAP_ALLOCATION_BIAS \ |
| "org.zfsonlinux:allocation_bias" |
| |
| /* vdev metaslab allocation bias */ |
| #define VDEV_ALLOC_BIAS_LOG "log" |
| #define VDEV_ALLOC_BIAS_SPECIAL "special" |
| #define VDEV_ALLOC_BIAS_DEDUP "dedup" |
| |
| /* vdev initialize state */ |
| #define VDEV_LEAF_ZAP_INITIALIZE_LAST_OFFSET \ |
| "com.delphix:next_offset_to_initialize" |
| #define VDEV_LEAF_ZAP_INITIALIZE_STATE \ |
| "com.delphix:vdev_initialize_state" |
| #define VDEV_LEAF_ZAP_INITIALIZE_ACTION_TIME \ |
| "com.delphix:vdev_initialize_action_time" |
| |
| /* vdev TRIM state */ |
| #define VDEV_LEAF_ZAP_TRIM_LAST_OFFSET \ |
| "org.zfsonlinux:next_offset_to_trim" |
| #define VDEV_LEAF_ZAP_TRIM_STATE \ |
| "org.zfsonlinux:vdev_trim_state" |
| #define VDEV_LEAF_ZAP_TRIM_ACTION_TIME \ |
| "org.zfsonlinux:vdev_trim_action_time" |
| #define VDEV_LEAF_ZAP_TRIM_RATE \ |
| "org.zfsonlinux:vdev_trim_rate" |
| #define VDEV_LEAF_ZAP_TRIM_PARTIAL \ |
| "org.zfsonlinux:vdev_trim_partial" |
| #define VDEV_LEAF_ZAP_TRIM_SECURE \ |
| "org.zfsonlinux:vdev_trim_secure" |
| |
| /* |
| * This is needed in userland to report the minimum necessary device size. |
| */ |
| #define SPA_MINDEVSIZE (64ULL << 20) |
| |
| /* |
| * Set if the fragmentation has not yet been calculated. This can happen |
| * because the space maps have not been upgraded or the histogram feature |
| * is not enabled. |
| */ |
| #define ZFS_FRAG_INVALID UINT64_MAX |
| |
| /* |
| * 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_UNSUP_FEAT, /* unsupported features */ |
| 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 or forced fault */ |
| VDEV_AUX_SPLIT_POOL, /* vdev was split off into another pool */ |
| VDEV_AUX_BAD_ASHIFT, /* vdev ashift is invalid */ |
| VDEV_AUX_EXTERNAL_PERSIST, /* persistent forced fault */ |
| VDEV_AUX_ACTIVE, /* vdev active on a different host */ |
| VDEV_AUX_CHILDREN_OFFLINE, /* all children are offline */ |
| } 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; |
| |
| /* |
| * mmp state. The following states provide additional detail describing |
| * why a pool couldn't be safely imported. |
| */ |
| typedef enum mmp_state { |
| MMP_STATE_ACTIVE = 0, /* In active use */ |
| MMP_STATE_INACTIVE, /* Inactive and safe to import */ |
| MMP_STATE_NO_HOSTID /* System hostid is not set */ |
| } mmp_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; |
| |
| /* |
| * Used to control scrub pause and resume. |
| */ |
| typedef enum pool_scrub_cmd { |
| POOL_SCRUB_NORMAL = 0, |
| POOL_SCRUB_PAUSE, |
| POOL_SCRUB_FLAGS_END |
| } pool_scrub_cmd_t; |
| |
| typedef enum { |
| CS_NONE, |
| CS_CHECKPOINT_EXISTS, |
| CS_CHECKPOINT_DISCARDING, |
| CS_NUM_STATES |
| } checkpoint_state_t; |
| |
| typedef struct pool_checkpoint_stat { |
| uint64_t pcs_state; /* checkpoint_state_t */ |
| uint64_t pcs_start_time; /* time checkpoint/discard started */ |
| uint64_t pcs_space; /* checkpointed space */ |
| } pool_checkpoint_stat_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_TYPE_TRIM, |
| 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 bytes located by scanner */ |
| 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 */ |
| uint64_t pss_pass_scrub_pause; /* pause time of a scrub pass */ |
| /* cumulative time scrub spent paused, needed for rate calculation */ |
| uint64_t pss_pass_scrub_spent_paused; |
| uint64_t pss_pass_issued; /* issued bytes per scan pass */ |
| uint64_t pss_issued; /* total bytes checked by scanner */ |
| } pool_scan_stat_t; |
| |
| typedef struct pool_removal_stat { |
| uint64_t prs_state; /* dsl_scan_state_t */ |
| uint64_t prs_removing_vdev; |
| uint64_t prs_start_time; |
| uint64_t prs_end_time; |
| uint64_t prs_to_copy; /* bytes that need to be copied */ |
| uint64_t prs_copied; /* bytes copied so far */ |
| /* |
| * bytes of memory used for indirect mappings. |
| * This includes all removed vdevs. |
| */ |
| uint64_t prs_mapping_memory; |
| } pool_removal_stat_t; |
| |
| typedef enum dsl_scan_state { |
| DSS_NONE, |
| DSS_SCANNING, |
| DSS_FINISHED, |
| DSS_CANCELED, |
| DSS_NUM_STATES |
| } dsl_scan_state_t; |
| |
| /* |
| * Errata described by http://zfsonlinux.org/msg/ZFS-8000-ER. The ordering |
| * of this enum must be maintained to ensure the errata identifiers map to |
| * the correct documentation. New errata may only be appended to the list |
| * and must contain corresponding documentation at the above link. |
| */ |
| typedef enum zpool_errata { |
| ZPOOL_ERRATA_NONE, |
| ZPOOL_ERRATA_ZOL_2094_SCRUB, |
| ZPOOL_ERRATA_ZOL_2094_ASYNC_DESTROY, |
| ZPOOL_ERRATA_ZOL_6845_ENCRYPTION, |
| ZPOOL_ERRATA_ZOL_8308_ENCRYPTION, |
| } zpool_errata_t; |
| |
| /* |
| * Vdev statistics. Note: all fields should be 64-bit because this |
| * is passed between kernel and user land as an nvlist uint64 array. |
| * |
| * The vs_ops[] and vs_bytes[] arrays must always be an array size of 6 in |
| * order to keep subsequent members at their known fixed offsets. When |
| * adding a new field it must be added to the end the structure. |
| */ |
| #define VS_ZIO_TYPES 6 |
| |
| 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_esize; /* expandable dev size */ |
| uint64_t vs_ops[VS_ZIO_TYPES]; /* operation count */ |
| uint64_t vs_bytes[VS_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_initialize_errors; /* initializing errors */ |
| uint64_t vs_self_healed; /* self-healed bytes */ |
| uint64_t vs_scan_removing; /* removing? */ |
| uint64_t vs_scan_processed; /* scan processed bytes */ |
| uint64_t vs_fragmentation; /* device fragmentation */ |
| uint64_t vs_initialize_bytes_done; /* bytes initialized */ |
| uint64_t vs_initialize_bytes_est; /* total bytes to initialize */ |
| uint64_t vs_initialize_state; /* vdev_initializing_state_t */ |
| uint64_t vs_initialize_action_time; /* time_t */ |
| uint64_t vs_checkpoint_space; /* checkpoint-consumed space */ |
| uint64_t vs_resilver_deferred; /* resilver deferred */ |
| uint64_t vs_slow_ios; /* slow IOs */ |
| uint64_t vs_trim_errors; /* trimming errors */ |
| uint64_t vs_trim_notsup; /* supported by device */ |
| uint64_t vs_trim_bytes_done; /* bytes trimmed */ |
| uint64_t vs_trim_bytes_est; /* total bytes to trim */ |
| uint64_t vs_trim_state; /* vdev_trim_state_t */ |
| uint64_t vs_trim_action_time; /* time_t */ |
| } vdev_stat_t; |
| |
| /* |
| * Extended stats |
| * |
| * These are stats which aren't included in the original iostat output. For |
| * convenience, they are grouped together in vdev_stat_ex, although each stat |
| * is individually exported as an nvlist. |
| */ |
| typedef struct vdev_stat_ex { |
| /* Number of ZIOs issued to disk and waiting to finish */ |
| uint64_t vsx_active_queue[ZIO_PRIORITY_NUM_QUEUEABLE]; |
| |
| /* Number of ZIOs pending to be issued to disk */ |
| uint64_t vsx_pend_queue[ZIO_PRIORITY_NUM_QUEUEABLE]; |
| |
| /* |
| * Below are the histograms for various latencies. Buckets are in |
| * units of nanoseconds. |
| */ |
| |
| /* |
| * 2^37 nanoseconds = 134s. Timeouts will probably start kicking in |
| * before this. |
| */ |
| #define VDEV_L_HISTO_BUCKETS 37 /* Latency histo buckets */ |
| #define VDEV_RQ_HISTO_BUCKETS 25 /* Request size histo buckets */ |
| |
| /* Amount of time in ZIO queue (ns) */ |
| uint64_t vsx_queue_histo[ZIO_PRIORITY_NUM_QUEUEABLE] |
| [VDEV_L_HISTO_BUCKETS]; |
| |
| /* Total ZIO latency (ns). Includes queuing and disk access time */ |
| uint64_t vsx_total_histo[ZIO_TYPES][VDEV_L_HISTO_BUCKETS]; |
| |
| /* Amount of time to read/write the disk (ns) */ |
| uint64_t vsx_disk_histo[ZIO_TYPES][VDEV_L_HISTO_BUCKETS]; |
| |
| /* "lookup the bucket for a value" histogram macros */ |
| #define HISTO(val, buckets) (val != 0 ? MIN(highbit64(val) - 1, \ |
| buckets - 1) : 0) |
| #define L_HISTO(a) HISTO(a, VDEV_L_HISTO_BUCKETS) |
| #define RQ_HISTO(a) HISTO(a, VDEV_RQ_HISTO_BUCKETS) |
| |
| /* Physical IO histogram */ |
| uint64_t vsx_ind_histo[ZIO_PRIORITY_NUM_QUEUEABLE] |
| [VDEV_RQ_HISTO_BUCKETS]; |
| |
| /* Delegated (aggregated) physical IO histogram */ |
| uint64_t vsx_agg_histo[ZIO_PRIORITY_NUM_QUEUEABLE] |
| [VDEV_RQ_HISTO_BUCKETS]; |
| |
| } vdev_stat_ex_t; |
| |
| /* |
| * Initialize functions. |
| */ |
| typedef enum pool_initialize_func { |
| POOL_INITIALIZE_START, |
| POOL_INITIALIZE_CANCEL, |
| POOL_INITIALIZE_SUSPEND, |
| POOL_INITIALIZE_FUNCS |
| } pool_initialize_func_t; |
| |
| /* |
| * TRIM functions. |
| */ |
| typedef enum pool_trim_func { |
| POOL_TRIM_START, |
| POOL_TRIM_CANCEL, |
| POOL_TRIM_SUSPEND, |
| POOL_TRIM_FUNCS |
| } pool_trim_func_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 elements 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" |
| #define ZFS_SHARETAB "/etc/dfs/sharetab" |
| |
| #define ZFS_SUPER_MAGIC 0x2fc12fc1 |
| |
| /* 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_DEV_NAME "zd" |
| |
| #define ZVOL_PROP_NAME "name" |
| #define ZVOL_DEFAULT_BLOCKSIZE 8192 |
| |
| typedef enum { |
| VDEV_INITIALIZE_NONE, |
| VDEV_INITIALIZE_ACTIVE, |
| VDEV_INITIALIZE_CANCELED, |
| VDEV_INITIALIZE_SUSPENDED, |
| VDEV_INITIALIZE_COMPLETE |
| } vdev_initializing_state_t; |
| |
| typedef enum { |
| VDEV_TRIM_NONE, |
| VDEV_TRIM_ACTIVE, |
| VDEV_TRIM_CANCELED, |
| VDEV_TRIM_SUSPENDED, |
| VDEV_TRIM_COMPLETE, |
| } vdev_trim_state_t; |
| |
| /* |
| * nvlist name constants. Facilitate restricting snapshot iteration range for |
| * the "list next snapshot" ioctl |
| */ |
| #define SNAP_ITER_MIN_TXG "snap_iter_min_txg" |
| #define SNAP_ITER_MAX_TXG "snap_iter_max_txg" |
| |
| /* |
| * /dev/zfs ioctl numbers. |
| * |
| * These numbers cannot change over time. New ioctl numbers must be appended. |
| */ |
| typedef enum zfs_ioc { |
| /* |
| * illumos - 81/128 numbers reserved. |
| */ |
| ZFS_IOC_FIRST = ('Z' << 8), |
| ZFS_IOC = ZFS_IOC_FIRST, |
| ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST, /* 0x5a00 */ |
| ZFS_IOC_POOL_DESTROY, /* 0x5a01 */ |
| ZFS_IOC_POOL_IMPORT, /* 0x5a02 */ |
| ZFS_IOC_POOL_EXPORT, /* 0x5a03 */ |
| ZFS_IOC_POOL_CONFIGS, /* 0x5a04 */ |
| ZFS_IOC_POOL_STATS, /* 0x5a05 */ |
| ZFS_IOC_POOL_TRYIMPORT, /* 0x5a06 */ |
| ZFS_IOC_POOL_SCAN, /* 0x5a07 */ |
| ZFS_IOC_POOL_FREEZE, /* 0x5a08 */ |
| ZFS_IOC_POOL_UPGRADE, /* 0x5a09 */ |
| ZFS_IOC_POOL_GET_HISTORY, /* 0x5a0a */ |
| ZFS_IOC_VDEV_ADD, /* 0x5a0b */ |
| ZFS_IOC_VDEV_REMOVE, /* 0x5a0c */ |
| ZFS_IOC_VDEV_SET_STATE, /* 0x5a0d */ |
| ZFS_IOC_VDEV_ATTACH, /* 0x5a0e */ |
| ZFS_IOC_VDEV_DETACH, /* 0x5a0f */ |
| ZFS_IOC_VDEV_SETPATH, /* 0x5a10 */ |
| ZFS_IOC_VDEV_SETFRU, /* 0x5a11 */ |
| ZFS_IOC_OBJSET_STATS, /* 0x5a12 */ |
| ZFS_IOC_OBJSET_ZPLPROPS, /* 0x5a13 */ |
| ZFS_IOC_DATASET_LIST_NEXT, /* 0x5a14 */ |
| ZFS_IOC_SNAPSHOT_LIST_NEXT, /* 0x5a15 */ |
| ZFS_IOC_SET_PROP, /* 0x5a16 */ |
| ZFS_IOC_CREATE, /* 0x5a17 */ |
| ZFS_IOC_DESTROY, /* 0x5a18 */ |
| ZFS_IOC_ROLLBACK, /* 0x5a19 */ |
| ZFS_IOC_RENAME, /* 0x5a1a */ |
| ZFS_IOC_RECV, /* 0x5a1b */ |
| ZFS_IOC_SEND, /* 0x5a1c */ |
| ZFS_IOC_INJECT_FAULT, /* 0x5a1d */ |
| ZFS_IOC_CLEAR_FAULT, /* 0x5a1e */ |
| ZFS_IOC_INJECT_LIST_NEXT, /* 0x5a1f */ |
| ZFS_IOC_ERROR_LOG, /* 0x5a20 */ |
| ZFS_IOC_CLEAR, /* 0x5a21 */ |
| ZFS_IOC_PROMOTE, /* 0x5a22 */ |
| ZFS_IOC_SNAPSHOT, /* 0x5a23 */ |
| ZFS_IOC_DSOBJ_TO_DSNAME, /* 0x5a24 */ |
| ZFS_IOC_OBJ_TO_PATH, /* 0x5a25 */ |
| ZFS_IOC_POOL_SET_PROPS, /* 0x5a26 */ |
| ZFS_IOC_POOL_GET_PROPS, /* 0x5a27 */ |
| ZFS_IOC_SET_FSACL, /* 0x5a28 */ |
| ZFS_IOC_GET_FSACL, /* 0x5a29 */ |
| ZFS_IOC_SHARE, /* 0x5a2a */ |
| ZFS_IOC_INHERIT_PROP, /* 0x5a2b */ |
| ZFS_IOC_SMB_ACL, /* 0x5a2c */ |
| ZFS_IOC_USERSPACE_ONE, /* 0x5a2d */ |
| ZFS_IOC_USERSPACE_MANY, /* 0x5a2e */ |
| ZFS_IOC_USERSPACE_UPGRADE, /* 0x5a2f */ |
| ZFS_IOC_HOLD, /* 0x5a30 */ |
| ZFS_IOC_RELEASE, /* 0x5a31 */ |
| ZFS_IOC_GET_HOLDS, /* 0x5a32 */ |
| ZFS_IOC_OBJSET_RECVD_PROPS, /* 0x5a33 */ |
| ZFS_IOC_VDEV_SPLIT, /* 0x5a34 */ |
| ZFS_IOC_NEXT_OBJ, /* 0x5a35 */ |
| ZFS_IOC_DIFF, /* 0x5a36 */ |
| ZFS_IOC_TMP_SNAPSHOT, /* 0x5a37 */ |
| ZFS_IOC_OBJ_TO_STATS, /* 0x5a38 */ |
| ZFS_IOC_SPACE_WRITTEN, /* 0x5a39 */ |
| ZFS_IOC_SPACE_SNAPS, /* 0x5a3a */ |
| ZFS_IOC_DESTROY_SNAPS, /* 0x5a3b */ |
| ZFS_IOC_POOL_REGUID, /* 0x5a3c */ |
| ZFS_IOC_POOL_REOPEN, /* 0x5a3d */ |
| ZFS_IOC_SEND_PROGRESS, /* 0x5a3e */ |
| ZFS_IOC_LOG_HISTORY, /* 0x5a3f */ |
| ZFS_IOC_SEND_NEW, /* 0x5a40 */ |
| ZFS_IOC_SEND_SPACE, /* 0x5a41 */ |
| ZFS_IOC_CLONE, /* 0x5a42 */ |
| ZFS_IOC_BOOKMARK, /* 0x5a43 */ |
| ZFS_IOC_GET_BOOKMARKS, /* 0x5a44 */ |
| ZFS_IOC_DESTROY_BOOKMARKS, /* 0x5a45 */ |
| ZFS_IOC_RECV_NEW, /* 0x5a46 */ |
| ZFS_IOC_POOL_SYNC, /* 0x5a47 */ |
| ZFS_IOC_CHANNEL_PROGRAM, /* 0x5a48 */ |
| ZFS_IOC_LOAD_KEY, /* 0x5a49 */ |
| ZFS_IOC_UNLOAD_KEY, /* 0x5a4a */ |
| ZFS_IOC_CHANGE_KEY, /* 0x5a4b */ |
| ZFS_IOC_REMAP, /* 0x5a4c */ |
| ZFS_IOC_POOL_CHECKPOINT, /* 0x5a4d */ |
| ZFS_IOC_POOL_DISCARD_CHECKPOINT, /* 0x5a4e */ |
| ZFS_IOC_POOL_INITIALIZE, /* 0x5a4f */ |
| ZFS_IOC_POOL_TRIM, /* 0x5a50 */ |
| |
| /* |
| * Linux - 3/64 numbers reserved. |
| */ |
| ZFS_IOC_LINUX = ('Z' << 8) + 0x80, |
| ZFS_IOC_EVENTS_NEXT, /* 0x5a81 */ |
| ZFS_IOC_EVENTS_CLEAR, /* 0x5a82 */ |
| ZFS_IOC_EVENTS_SEEK, /* 0x5a83 */ |
| |
| /* |
| * FreeBSD - 1/64 numbers reserved. |
| */ |
| ZFS_IOC_FREEBSD = ('Z' << 8) + 0xC0, |
| |
| ZFS_IOC_LAST |
| } zfs_ioc_t; |
| |
| /* |
| * zvol ioctl to get dataset name |
| */ |
| #define BLKZNAME _IOR(0x12, 125, char[ZFS_MAX_DATASET_NAME_LEN]) |
| |
| /* |
| * ZFS-specific error codes used for returning descriptive errors |
| * to the userland through zfs ioctls. |
| * |
| * The enum implicitly includes all the error codes from errno.h. |
| * New code should use and extend this enum for errors that are |
| * not described precisely by generic errno codes. |
| * |
| * These numbers should not change over time. New entries should be appended. |
| */ |
| typedef enum { |
| ZFS_ERR_CHECKPOINT_EXISTS = 1024, |
| ZFS_ERR_DISCARDING_CHECKPOINT, |
| ZFS_ERR_NO_CHECKPOINT, |
| ZFS_ERR_DEVRM_IN_PROGRESS, |
| ZFS_ERR_VDEV_TOO_BIG, |
| ZFS_ERR_IOC_CMD_UNAVAIL, |
| ZFS_ERR_IOC_ARG_UNAVAIL, |
| ZFS_ERR_IOC_ARG_REQUIRED, |
| ZFS_ERR_IOC_ARG_BADTYPE, |
| ZFS_ERR_WRONG_PARENT, |
| ZFS_ERR_FROM_IVSET_GUID_MISSING, |
| ZFS_ERR_FROM_IVSET_GUID_MISMATCH, |
| ZFS_ERR_SPILL_BLOCK_FLAG_MISSING, |
| ZFS_ERR_EXPORT_IN_PROGRESS, |
| } zfs_errno_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_CREATE /* creation in progress */ |
| } 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" |
| #define ZPOOL_HIST_INT_NAME "internal_name" |
| #define ZPOOL_HIST_IOCTL "ioctl" |
| #define ZPOOL_HIST_INPUT_NVL "in_nvl" |
| #define ZPOOL_HIST_OUTPUT_NVL "out_nvl" |
| #define ZPOOL_HIST_DSNAME "dsname" |
| #define ZPOOL_HIST_DSID "dsid" |
| #define ZPOOL_HIST_ERRNO "errno" |
| |
| /* |
| * Special nvlist name that will not have its args recorded in the pool's |
| * history log. |
| */ |
| #define ZPOOL_HIDDEN_ARGS "hidden_args" |
| |
| /* |
| * The following are names used when invoking ZFS_IOC_POOL_INITIALIZE. |
| */ |
| #define ZPOOL_INITIALIZE_COMMAND "initialize_command" |
| #define ZPOOL_INITIALIZE_VDEVS "initialize_vdevs" |
| |
| /* |
| * The following are names used when invoking ZFS_IOC_POOL_TRIM. |
| */ |
| #define ZPOOL_TRIM_COMMAND "trim_command" |
| #define ZPOOL_TRIM_VDEVS "trim_vdevs" |
| #define ZPOOL_TRIM_RATE "trim_rate" |
| #define ZPOOL_TRIM_SECURE "trim_secure" |
| |
| /* |
| * 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 |
| #define ZFS_IMPORT_TEMP_NAME 0x10 |
| #define ZFS_IMPORT_SKIP_MMP 0x20 |
| #define ZFS_IMPORT_LOAD_KEYS 0x40 |
| #define ZFS_IMPORT_CHECKPOINT 0x80 |
| |
| /* |
| * Channel program argument/return nvlist keys and defaults. |
| */ |
| #define ZCP_ARG_PROGRAM "program" |
| #define ZCP_ARG_ARGLIST "arg" |
| #define ZCP_ARG_SYNC "sync" |
| #define ZCP_ARG_INSTRLIMIT "instrlimit" |
| #define ZCP_ARG_MEMLIMIT "memlimit" |
| |
| #define ZCP_ARG_CLIARGV "argv" |
| |
| #define ZCP_RET_ERROR "error" |
| #define ZCP_RET_RETURN "return" |
| |
| #define ZCP_DEFAULT_INSTRLIMIT (10 * 1000 * 1000) |
| #define ZCP_MAX_INSTRLIMIT (10 * ZCP_DEFAULT_INSTRLIMIT) |
| #define ZCP_DEFAULT_MEMLIMIT (10 * 1024 * 1024) |
| #define ZCP_MAX_MEMLIMIT (10 * ZCP_DEFAULT_MEMLIMIT) |
| |
| /* |
| * 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 |
| * ESC_ZFS_POOL_REGUID |
| * |
| * 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 |
| * |
| * ESC_ZFS_HISTORY_EVENT |
| * |
| * ZFS_EV_POOL_NAME DATA_TYPE_STRING |
| * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 |
| * ZFS_EV_HIST_TIME DATA_TYPE_UINT64 (optional) |
| * ZFS_EV_HIST_CMD DATA_TYPE_STRING (optional) |
| * ZFS_EV_HIST_WHO DATA_TYPE_UINT64 (optional) |
| * ZFS_EV_HIST_ZONE DATA_TYPE_STRING (optional) |
| * ZFS_EV_HIST_HOST DATA_TYPE_STRING (optional) |
| * ZFS_EV_HIST_TXG DATA_TYPE_UINT64 (optional) |
| * ZFS_EV_HIST_INT_EVENT DATA_TYPE_UINT64 (optional) |
| * ZFS_EV_HIST_INT_STR DATA_TYPE_STRING (optional) |
| * ZFS_EV_HIST_INT_NAME DATA_TYPE_STRING (optional) |
| * ZFS_EV_HIST_IOCTL DATA_TYPE_STRING (optional) |
| * ZFS_EV_HIST_DSNAME DATA_TYPE_STRING (optional) |
| * ZFS_EV_HIST_DSID DATA_TYPE_UINT64 (optional) |
| * |
| * The ZFS_EV_HIST_* members will correspond to the ZPOOL_HIST_* members in the |
| * history log nvlist. The keynames will be free of any spaces or other |
| * characters that could be potentially unexpected to consumers of the |
| * sysevents. |
| */ |
| #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" |
| #define ZFS_EV_HIST_TIME "history_time" |
| #define ZFS_EV_HIST_CMD "history_command" |
| #define ZFS_EV_HIST_WHO "history_who" |
| #define ZFS_EV_HIST_ZONE "history_zone" |
| #define ZFS_EV_HIST_HOST "history_hostname" |
| #define ZFS_EV_HIST_TXG "history_txg" |
| #define ZFS_EV_HIST_INT_EVENT "history_internal_event" |
| #define ZFS_EV_HIST_INT_STR "history_internal_str" |
| #define ZFS_EV_HIST_INT_NAME "history_internal_name" |
| #define ZFS_EV_HIST_IOCTL "history_ioctl" |
| #define ZFS_EV_HIST_DSNAME "history_dsname" |
| #define ZFS_EV_HIST_DSID "history_dsid" |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _SYS_FS_ZFS_H */ |