1821 lines
59 KiB
C
1821 lines
59 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2011, 2020 by Delphix. All rights reserved.
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* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
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* Copyright (c) 2013, 2017 Joyent, Inc. All rights reserved.
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* Copyright (c) 2014 Integros [integros.com]
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* Copyright (c) 2017, Intel Corporation.
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* Copyright (c) 2019 Datto Inc.
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* Portions Copyright 2010 Robert Milkowski
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* Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
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*/
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#ifndef _SYS_FS_ZFS_H
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#define _SYS_FS_ZFS_H extern __attribute__((visibility("default")))
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#include <sys/time.h>
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#include <sys/zio_priority.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Types and constants shared between userland and the kernel.
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*/
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/*
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* Each dataset can be one of the following types. These constants can be
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* combined into masks that can be passed to various functions.
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*/
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typedef enum {
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ZFS_TYPE_INVALID = 0,
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ZFS_TYPE_FILESYSTEM = (1 << 0),
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ZFS_TYPE_SNAPSHOT = (1 << 1),
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ZFS_TYPE_VOLUME = (1 << 2),
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ZFS_TYPE_POOL = (1 << 3),
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ZFS_TYPE_BOOKMARK = (1 << 4),
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ZFS_TYPE_VDEV = (1 << 5),
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} zfs_type_t;
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/*
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* NB: lzc_dataset_type should be updated whenever a new objset type is added,
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* if it represents a real type of a dataset that can be created from userland.
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*/
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typedef enum dmu_objset_type {
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DMU_OST_NONE,
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DMU_OST_META,
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DMU_OST_ZFS,
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DMU_OST_ZVOL,
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DMU_OST_OTHER, /* For testing only! */
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DMU_OST_ANY, /* Be careful! */
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DMU_OST_NUMTYPES
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} dmu_objset_type_t;
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#define ZFS_TYPE_DATASET \
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(ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
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/*
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* All of these include the terminating NUL byte.
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*/
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#define ZAP_MAXNAMELEN 256
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#define ZAP_MAXVALUELEN (1024 * 8)
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#define ZAP_OLDMAXVALUELEN 1024
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#define ZFS_MAX_DATASET_NAME_LEN 256
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/*
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* Dataset properties are identified by these constants and must be added to
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* the end of this list to ensure that external consumers are not affected
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* by the change. If you make any changes to this list, be sure to update
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* the property table in module/zcommon/zfs_prop.c.
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*/
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typedef enum {
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ZPROP_CONT = -2,
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ZPROP_INVAL = -1,
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ZFS_PROP_TYPE = 0,
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ZFS_PROP_CREATION,
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ZFS_PROP_USED,
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ZFS_PROP_AVAILABLE,
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ZFS_PROP_REFERENCED,
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ZFS_PROP_COMPRESSRATIO,
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ZFS_PROP_MOUNTED,
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ZFS_PROP_ORIGIN,
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ZFS_PROP_QUOTA,
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ZFS_PROP_RESERVATION,
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ZFS_PROP_VOLSIZE,
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ZFS_PROP_VOLBLOCKSIZE,
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ZFS_PROP_RECORDSIZE,
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ZFS_PROP_MOUNTPOINT,
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ZFS_PROP_SHARENFS,
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ZFS_PROP_CHECKSUM,
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ZFS_PROP_COMPRESSION,
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ZFS_PROP_ATIME,
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ZFS_PROP_DEVICES,
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ZFS_PROP_EXEC,
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ZFS_PROP_SETUID,
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ZFS_PROP_READONLY,
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ZFS_PROP_ZONED,
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ZFS_PROP_SNAPDIR,
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ZFS_PROP_ACLMODE,
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ZFS_PROP_ACLINHERIT,
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ZFS_PROP_CREATETXG,
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ZFS_PROP_NAME, /* not exposed to the user */
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ZFS_PROP_CANMOUNT,
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ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */
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ZFS_PROP_XATTR,
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ZFS_PROP_NUMCLONES, /* not exposed to the user */
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ZFS_PROP_COPIES,
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ZFS_PROP_VERSION,
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ZFS_PROP_UTF8ONLY,
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ZFS_PROP_NORMALIZE,
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ZFS_PROP_CASE,
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ZFS_PROP_VSCAN,
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ZFS_PROP_NBMAND,
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ZFS_PROP_SHARESMB,
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ZFS_PROP_REFQUOTA,
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ZFS_PROP_REFRESERVATION,
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ZFS_PROP_GUID,
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ZFS_PROP_PRIMARYCACHE,
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ZFS_PROP_SECONDARYCACHE,
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ZFS_PROP_USEDSNAP,
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ZFS_PROP_USEDDS,
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ZFS_PROP_USEDCHILD,
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ZFS_PROP_USEDREFRESERV,
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ZFS_PROP_USERACCOUNTING, /* not exposed to the user */
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ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */
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ZFS_PROP_DEFER_DESTROY,
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ZFS_PROP_USERREFS,
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ZFS_PROP_LOGBIAS,
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ZFS_PROP_UNIQUE, /* not exposed to the user */
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ZFS_PROP_OBJSETID,
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ZFS_PROP_DEDUP,
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ZFS_PROP_MLSLABEL,
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ZFS_PROP_SYNC,
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ZFS_PROP_DNODESIZE,
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ZFS_PROP_REFRATIO,
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ZFS_PROP_WRITTEN,
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ZFS_PROP_CLONES,
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ZFS_PROP_LOGICALUSED,
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ZFS_PROP_LOGICALREFERENCED,
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ZFS_PROP_INCONSISTENT, /* not exposed to the user */
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ZFS_PROP_VOLMODE,
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ZFS_PROP_FILESYSTEM_LIMIT,
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ZFS_PROP_SNAPSHOT_LIMIT,
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ZFS_PROP_FILESYSTEM_COUNT,
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ZFS_PROP_SNAPSHOT_COUNT,
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ZFS_PROP_SNAPDEV,
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ZFS_PROP_ACLTYPE,
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ZFS_PROP_SELINUX_CONTEXT,
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ZFS_PROP_SELINUX_FSCONTEXT,
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ZFS_PROP_SELINUX_DEFCONTEXT,
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ZFS_PROP_SELINUX_ROOTCONTEXT,
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ZFS_PROP_RELATIME,
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ZFS_PROP_REDUNDANT_METADATA,
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ZFS_PROP_OVERLAY,
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ZFS_PROP_PREV_SNAP,
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ZFS_PROP_RECEIVE_RESUME_TOKEN,
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ZFS_PROP_ENCRYPTION,
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ZFS_PROP_KEYLOCATION,
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ZFS_PROP_KEYFORMAT,
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ZFS_PROP_PBKDF2_SALT,
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ZFS_PROP_PBKDF2_ITERS,
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ZFS_PROP_ENCRYPTION_ROOT,
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ZFS_PROP_KEY_GUID,
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ZFS_PROP_KEYSTATUS,
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ZFS_PROP_REMAPTXG, /* obsolete - no longer used */
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ZFS_PROP_SPECIAL_SMALL_BLOCKS,
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ZFS_PROP_IVSET_GUID, /* not exposed to the user */
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ZFS_PROP_REDACTED,
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ZFS_PROP_REDACT_SNAPS,
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ZFS_NUM_PROPS
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} zfs_prop_t;
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typedef enum {
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ZFS_PROP_USERUSED,
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ZFS_PROP_USERQUOTA,
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ZFS_PROP_GROUPUSED,
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ZFS_PROP_GROUPQUOTA,
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ZFS_PROP_USEROBJUSED,
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ZFS_PROP_USEROBJQUOTA,
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ZFS_PROP_GROUPOBJUSED,
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ZFS_PROP_GROUPOBJQUOTA,
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ZFS_PROP_PROJECTUSED,
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ZFS_PROP_PROJECTQUOTA,
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ZFS_PROP_PROJECTOBJUSED,
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ZFS_PROP_PROJECTOBJQUOTA,
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ZFS_NUM_USERQUOTA_PROPS
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} zfs_userquota_prop_t;
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_SYS_FS_ZFS_H const char *const zfs_userquota_prop_prefixes[
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ZFS_NUM_USERQUOTA_PROPS];
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/*
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* Pool properties are identified by these constants and must be added to the
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* end of this list to ensure that external consumers are not affected
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* by the change. Properties must be registered in zfs_prop_init().
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*/
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typedef enum {
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ZPOOL_PROP_INVAL = -1,
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ZPOOL_PROP_NAME,
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ZPOOL_PROP_SIZE,
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ZPOOL_PROP_CAPACITY,
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ZPOOL_PROP_ALTROOT,
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ZPOOL_PROP_HEALTH,
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ZPOOL_PROP_GUID,
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ZPOOL_PROP_VERSION,
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ZPOOL_PROP_BOOTFS,
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ZPOOL_PROP_DELEGATION,
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ZPOOL_PROP_AUTOREPLACE,
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ZPOOL_PROP_CACHEFILE,
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ZPOOL_PROP_FAILUREMODE,
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ZPOOL_PROP_LISTSNAPS,
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ZPOOL_PROP_AUTOEXPAND,
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ZPOOL_PROP_DEDUPDITTO,
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ZPOOL_PROP_DEDUPRATIO,
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ZPOOL_PROP_FREE,
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ZPOOL_PROP_ALLOCATED,
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ZPOOL_PROP_READONLY,
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ZPOOL_PROP_ASHIFT,
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ZPOOL_PROP_COMMENT,
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ZPOOL_PROP_EXPANDSZ,
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ZPOOL_PROP_FREEING,
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ZPOOL_PROP_FRAGMENTATION,
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ZPOOL_PROP_LEAKED,
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ZPOOL_PROP_MAXBLOCKSIZE,
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ZPOOL_PROP_TNAME,
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ZPOOL_PROP_MAXDNODESIZE,
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ZPOOL_PROP_MULTIHOST,
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ZPOOL_PROP_CHECKPOINT,
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ZPOOL_PROP_LOAD_GUID,
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ZPOOL_PROP_AUTOTRIM,
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ZPOOL_PROP_COMPATIBILITY,
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ZPOOL_NUM_PROPS
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} zpool_prop_t;
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/* Small enough to not hog a whole line of printout in zpool(8). */
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#define ZPROP_MAX_COMMENT 32
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#define ZPROP_BOOLEAN_NA 2
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#define ZPROP_VALUE "value"
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#define ZPROP_SOURCE "source"
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typedef enum {
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ZPROP_SRC_NONE = 0x1,
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ZPROP_SRC_DEFAULT = 0x2,
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ZPROP_SRC_TEMPORARY = 0x4,
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ZPROP_SRC_LOCAL = 0x8,
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ZPROP_SRC_INHERITED = 0x10,
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ZPROP_SRC_RECEIVED = 0x20
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} zprop_source_t;
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#define ZPROP_SRC_ALL 0x3f
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#define ZPROP_SOURCE_VAL_RECVD "$recvd"
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#define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS"
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/*
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* Dataset flag implemented as a special entry in the props zap object
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* indicating that the dataset has received properties on or after
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* SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties
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* just as it did in earlier versions, and thereafter, local properties are
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* preserved.
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*/
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#define ZPROP_HAS_RECVD "$hasrecvd"
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typedef enum {
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ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */
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ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */
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} zprop_errflags_t;
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typedef int (*zprop_func)(int, void *);
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/*
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* Properties to be set on the root file system of a new pool
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* are stuffed into their own nvlist, which is then included in
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* the properties nvlist with the pool properties.
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*/
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#define ZPOOL_ROOTFS_PROPS "root-props-nvl"
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/*
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* Length of 'written@' and 'written#'
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*/
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#define ZFS_WRITTEN_PROP_PREFIX_LEN 8
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/*
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* VDEV properties are identified by these constants and must be added to the
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* end of this list to ensure that external consumers are not affected
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* by the change. If you make any changes to this list, be sure to update
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* the property table in usr/src/common/zfs/zpool_prop.c.
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*/
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typedef enum {
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VDEV_PROP_INVAL = -1,
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#define VDEV_PROP_USER VDEV_PROP_INVAL
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VDEV_PROP_NAME,
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VDEV_PROP_CAPACITY,
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VDEV_PROP_STATE,
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VDEV_PROP_GUID,
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VDEV_PROP_ASIZE,
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VDEV_PROP_PSIZE,
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VDEV_PROP_ASHIFT,
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VDEV_PROP_SIZE,
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VDEV_PROP_FREE,
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VDEV_PROP_ALLOCATED,
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VDEV_PROP_COMMENT,
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VDEV_PROP_EXPANDSZ,
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VDEV_PROP_FRAGMENTATION,
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VDEV_PROP_BOOTSIZE,
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VDEV_PROP_PARITY,
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VDEV_PROP_PATH,
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VDEV_PROP_DEVID,
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VDEV_PROP_PHYS_PATH,
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VDEV_PROP_ENC_PATH,
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VDEV_PROP_FRU,
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VDEV_PROP_PARENT,
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VDEV_PROP_CHILDREN,
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VDEV_PROP_NUMCHILDREN,
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VDEV_PROP_READ_ERRORS,
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VDEV_PROP_WRITE_ERRORS,
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VDEV_PROP_CHECKSUM_ERRORS,
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VDEV_PROP_INITIALIZE_ERRORS,
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VDEV_PROP_OPS_NULL,
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VDEV_PROP_OPS_READ,
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VDEV_PROP_OPS_WRITE,
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VDEV_PROP_OPS_FREE,
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VDEV_PROP_OPS_CLAIM,
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VDEV_PROP_OPS_TRIM,
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VDEV_PROP_BYTES_NULL,
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VDEV_PROP_BYTES_READ,
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VDEV_PROP_BYTES_WRITE,
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VDEV_PROP_BYTES_FREE,
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VDEV_PROP_BYTES_CLAIM,
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VDEV_PROP_BYTES_TRIM,
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VDEV_PROP_REMOVING,
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VDEV_PROP_ALLOCATING,
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VDEV_NUM_PROPS
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} vdev_prop_t;
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/*
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* Dataset property functions shared between libzfs and kernel.
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*/
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_SYS_FS_ZFS_H const char *zfs_prop_default_string(zfs_prop_t);
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_SYS_FS_ZFS_H uint64_t zfs_prop_default_numeric(zfs_prop_t);
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_SYS_FS_ZFS_H boolean_t zfs_prop_readonly(zfs_prop_t);
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_SYS_FS_ZFS_H boolean_t zfs_prop_visible(zfs_prop_t prop);
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_SYS_FS_ZFS_H boolean_t zfs_prop_inheritable(zfs_prop_t);
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_SYS_FS_ZFS_H boolean_t zfs_prop_setonce(zfs_prop_t);
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_SYS_FS_ZFS_H boolean_t zfs_prop_encryption_key_param(zfs_prop_t);
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_SYS_FS_ZFS_H boolean_t zfs_prop_valid_keylocation(const char *, boolean_t);
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_SYS_FS_ZFS_H const char *zfs_prop_to_name(zfs_prop_t);
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_SYS_FS_ZFS_H zfs_prop_t zfs_name_to_prop(const char *);
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_SYS_FS_ZFS_H boolean_t zfs_prop_user(const char *);
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_SYS_FS_ZFS_H boolean_t zfs_prop_userquota(const char *);
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_SYS_FS_ZFS_H boolean_t zfs_prop_written(const char *);
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_SYS_FS_ZFS_H int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
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_SYS_FS_ZFS_H int zfs_prop_string_to_index(zfs_prop_t, const char *,
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uint64_t *);
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_SYS_FS_ZFS_H uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
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_SYS_FS_ZFS_H boolean_t zfs_prop_valid_for_type(int, zfs_type_t, boolean_t);
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/*
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* Pool property functions shared between libzfs and kernel.
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*/
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_SYS_FS_ZFS_H zpool_prop_t zpool_name_to_prop(const char *);
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_SYS_FS_ZFS_H const char *zpool_prop_to_name(zpool_prop_t);
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_SYS_FS_ZFS_H const char *zpool_prop_default_string(zpool_prop_t);
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_SYS_FS_ZFS_H uint64_t zpool_prop_default_numeric(zpool_prop_t);
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_SYS_FS_ZFS_H boolean_t zpool_prop_readonly(zpool_prop_t);
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_SYS_FS_ZFS_H boolean_t zpool_prop_setonce(zpool_prop_t);
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_SYS_FS_ZFS_H boolean_t zpool_prop_feature(const char *);
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_SYS_FS_ZFS_H boolean_t zpool_prop_unsupported(const char *);
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_SYS_FS_ZFS_H int zpool_prop_index_to_string(zpool_prop_t, uint64_t,
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const char **);
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_SYS_FS_ZFS_H int zpool_prop_string_to_index(zpool_prop_t, const char *,
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uint64_t *);
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_SYS_FS_ZFS_H uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
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|
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/*
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* VDEV property functions shared between libzfs and kernel.
|
|
*/
|
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_SYS_FS_ZFS_H vdev_prop_t vdev_name_to_prop(const char *);
|
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_SYS_FS_ZFS_H boolean_t vdev_prop_user(const char *name);
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_SYS_FS_ZFS_H const char *vdev_prop_to_name(vdev_prop_t);
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_SYS_FS_ZFS_H const char *vdev_prop_default_string(vdev_prop_t);
|
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_SYS_FS_ZFS_H uint64_t vdev_prop_default_numeric(vdev_prop_t);
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_SYS_FS_ZFS_H boolean_t vdev_prop_readonly(vdev_prop_t prop);
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_SYS_FS_ZFS_H int vdev_prop_index_to_string(vdev_prop_t, uint64_t,
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const char **);
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_SYS_FS_ZFS_H int vdev_prop_string_to_index(vdev_prop_t, const char *,
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uint64_t *);
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_SYS_FS_ZFS_H boolean_t zpool_prop_vdev(const char *name);
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_SYS_FS_ZFS_H uint64_t vdev_prop_random_value(vdev_prop_t prop, uint64_t seed);
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|
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/*
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|
* Definitions for the Delegation.
|
|
*/
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|
typedef enum {
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|
ZFS_DELEG_WHO_UNKNOWN = 0,
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ZFS_DELEG_USER = 'u',
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|
ZFS_DELEG_USER_SETS = 'U',
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|
ZFS_DELEG_GROUP = 'g',
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ZFS_DELEG_GROUP_SETS = 'G',
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|
ZFS_DELEG_EVERYONE = 'e',
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ZFS_DELEG_EVERYONE_SETS = 'E',
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|
ZFS_DELEG_CREATE = 'c',
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ZFS_DELEG_CREATE_SETS = 'C',
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ZFS_DELEG_NAMED_SET = 's',
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|
ZFS_DELEG_NAMED_SET_SETS = 'S'
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|
} zfs_deleg_who_type_t;
|
|
|
|
typedef enum {
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|
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
|
|
|
|
/* Persistent L2ARC version */
|
|
#define L2ARC_PERSISTENT_VERSION_1 1ULL
|
|
#define L2ARC_PERSISTENT_VERSION L2ARC_PERSISTENT_VERSION_1
|
|
#define L2ARC_PERSISTENT_VERSION_STRING "1"
|
|
|
|
/* 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 "<reversed-DNS>:"
|
|
* (e.g. "org.openzfs:") 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_SPARE_ID "spareid"
|
|
#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"
|
|
#define ZPOOL_CONFIG_VDEV_REBUILD_ACTIVE_QUEUE "vdev_rebuild_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"
|
|
#define ZPOOL_CONFIG_VDEV_REBUILD_PEND_QUEUE "vdev_rebuild_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"
|
|
#define ZPOOL_CONFIG_VDEV_REBUILD_LAT_HISTO "vdev_rebuild_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_IND_REBUILD_HISTO "vdev_ind_rebuild_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"
|
|
#define ZPOOL_CONFIG_VDEV_AGG_REBUILD_HISTO "vdev_agg_rebuild_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_NONALLOCATING "non_allocating"
|
|
#define ZPOOL_CONFIG_REMOVING "removing"
|
|
#define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg"
|
|
#define ZPOOL_CONFIG_REBUILD_TXG "rebuild_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 */
|
|
#define ZPOOL_CONFIG_REBUILD_STATS "org.openzfs:rebuild_stats"
|
|
#define ZPOOL_CONFIG_COMPATIBILITY "compatibility"
|
|
|
|
/*
|
|
* 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_META_ERRORS "verify_meta_errors"
|
|
#define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors"
|
|
#define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind"
|
|
|
|
/* dRAID configuration */
|
|
#define ZPOOL_CONFIG_DRAID_NDATA "draid_ndata"
|
|
#define ZPOOL_CONFIG_DRAID_NSPARES "draid_nspares"
|
|
#define ZPOOL_CONFIG_DRAID_NGROUPS "draid_ngroups"
|
|
|
|
#define VDEV_TYPE_ROOT "root"
|
|
#define VDEV_TYPE_MIRROR "mirror"
|
|
#define VDEV_TYPE_REPLACING "replacing"
|
|
#define VDEV_TYPE_RAIDZ "raidz"
|
|
#define VDEV_TYPE_DRAID "draid"
|
|
#define VDEV_TYPE_DRAID_SPARE "dspare"
|
|
#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"
|
|
|
|
#define VDEV_RAIDZ_MAXPARITY 3
|
|
|
|
#define VDEV_DRAID_MAXPARITY 3
|
|
#define VDEV_DRAID_MIN_CHILDREN 2
|
|
#define VDEV_DRAID_MAX_CHILDREN UINT8_MAX
|
|
|
|
/* 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_MS_UNFLUSHED_PHYS_TXGS \
|
|
"com.delphix:ms_unflushed_phys_txgs"
|
|
|
|
#define VDEV_TOP_ZAP_VDEV_REBUILD_PHYS \
|
|
"org.openzfs:vdev_rebuild"
|
|
|
|
#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_BOOT "/boot/zfs/zpool.cache"
|
|
#define ZPOOL_CACHE "/etc/zfs/zpool.cache"
|
|
/*
|
|
* Settings for zpool compatibility features files
|
|
*/
|
|
#define ZPOOL_SYSCONF_COMPAT_D SYSCONFDIR "/zfs/compatibility.d"
|
|
#define ZPOOL_DATA_COMPAT_D PKGDATADIR "/compatibility.d"
|
|
#define ZPOOL_COMPAT_MAXSIZE 16384
|
|
|
|
/*
|
|
* Hard-wired compatibility settings
|
|
*/
|
|
#define ZPOOL_COMPAT_LEGACY "legacy"
|
|
#define ZPOOL_COMPAT_OFF "off"
|
|
|
|
/*
|
|
* 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_ASHIFT_TOO_BIG, /* vdev's min block size is too large */
|
|
} 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;
|
|
|
|
typedef struct vdev_rebuild_stat {
|
|
uint64_t vrs_state; /* vdev_rebuild_state_t */
|
|
uint64_t vrs_start_time; /* time_t */
|
|
uint64_t vrs_end_time; /* time_t */
|
|
uint64_t vrs_scan_time_ms; /* total run time (millisecs) */
|
|
uint64_t vrs_bytes_scanned; /* allocated bytes scanned */
|
|
uint64_t vrs_bytes_issued; /* read bytes issued */
|
|
uint64_t vrs_bytes_rebuilt; /* rebuilt bytes */
|
|
uint64_t vrs_bytes_est; /* total bytes to scan */
|
|
uint64_t vrs_errors; /* scanning errors */
|
|
uint64_t vrs_pass_time_ms; /* pass run time (millisecs) */
|
|
uint64_t vrs_pass_bytes_scanned; /* bytes scanned since start/resume */
|
|
uint64_t vrs_pass_bytes_issued; /* bytes rebuilt since start/resume */
|
|
} vdev_rebuild_stat_t;
|
|
|
|
/*
|
|
* Errata described by https://openzfs.github.io/openzfs-docs/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 */
|
|
uint64_t vs_rebuild_processed; /* bytes rebuilt */
|
|
uint64_t vs_configured_ashift; /* TLV vdev_ashift */
|
|
uint64_t vs_logical_ashift; /* vdev_logical_ashift */
|
|
uint64_t vs_physical_ashift; /* vdev_physical_ashift */
|
|
uint64_t vs_noalloc; /* allocations halted? */
|
|
uint64_t vs_pspace; /* physical capacity */
|
|
} vdev_stat_t;
|
|
|
|
#define VDEV_STAT_VALID(field, uint64_t_field_count) \
|
|
((uint64_t_field_count * sizeof (uint64_t)) >= \
|
|
(offsetof(vdev_stat_t, field) + sizeof (((vdev_stat_t *)NULL)->field)))
|
|
|
|
/*
|
|
* 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_SUPER_MAGIC 0x2fc12fc1
|
|
|
|
/* general zvol path */
|
|
#define ZVOL_DIR "/dev/zvol/"
|
|
|
|
#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 16384
|
|
|
|
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;
|
|
|
|
typedef enum {
|
|
VDEV_REBUILD_NONE,
|
|
VDEV_REBUILD_ACTIVE,
|
|
VDEV_REBUILD_CANCELED,
|
|
VDEV_REBUILD_COMPLETE,
|
|
} vdev_rebuild_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 {
|
|
/*
|
|
* Core features - 81/128 numbers reserved.
|
|
*/
|
|
#ifdef __FreeBSD__
|
|
ZFS_IOC_FIRST = 0,
|
|
#else
|
|
ZFS_IOC_FIRST = ('Z' << 8),
|
|
#endif
|
|
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 */
|
|
ZFS_IOC_REDACT, /* 0x5a51 */
|
|
ZFS_IOC_GET_BOOKMARK_PROPS, /* 0x5a52 */
|
|
ZFS_IOC_WAIT, /* 0x5a53 */
|
|
ZFS_IOC_WAIT_FS, /* 0x5a54 */
|
|
ZFS_IOC_VDEV_GET_PROPS, /* 0x5a55 */
|
|
ZFS_IOC_VDEV_SET_PROPS, /* 0x5a56 */
|
|
|
|
/*
|
|
* Per-platform (Optional) - 8/128 numbers reserved.
|
|
*/
|
|
ZFS_IOC_PLATFORM = ZFS_IOC_FIRST + 0x80,
|
|
ZFS_IOC_EVENTS_NEXT, /* 0x81 (Linux) */
|
|
ZFS_IOC_EVENTS_CLEAR, /* 0x82 (Linux) */
|
|
ZFS_IOC_EVENTS_SEEK, /* 0x83 (Linux) */
|
|
ZFS_IOC_NEXTBOOT, /* 0x84 (FreeBSD) */
|
|
ZFS_IOC_JAIL, /* 0x85 (FreeBSD) */
|
|
ZFS_IOC_UNJAIL, /* 0x86 (FreeBSD) */
|
|
ZFS_IOC_SET_BOOTENV, /* 0x87 */
|
|
ZFS_IOC_GET_BOOTENV, /* 0x88 */
|
|
ZFS_IOC_LAST
|
|
} zfs_ioc_t;
|
|
|
|
/*
|
|
* zvol ioctl to get dataset name
|
|
*/
|
|
#define BLKZNAME _IOR(0x12, 125, char[ZFS_MAX_DATASET_NAME_LEN])
|
|
|
|
#ifdef __linux__
|
|
|
|
/*
|
|
* IOCTLs to update and retrieve additional file level attributes on
|
|
* Linux.
|
|
*/
|
|
#define ZFS_IOC_GETDOSFLAGS _IOR(0x83, 1, uint64_t)
|
|
#define ZFS_IOC_SETDOSFLAGS _IOW(0x83, 2, uint64_t)
|
|
|
|
/*
|
|
* Additional file level attributes, that are stored
|
|
* in the upper half of z_pflags
|
|
*/
|
|
#define ZFS_READONLY 0x0000000100000000ull
|
|
#define ZFS_HIDDEN 0x0000000200000000ull
|
|
#define ZFS_SYSTEM 0x0000000400000000ull
|
|
#define ZFS_ARCHIVE 0x0000000800000000ull
|
|
#define ZFS_IMMUTABLE 0x0000001000000000ull
|
|
#define ZFS_NOUNLINK 0x0000002000000000ull
|
|
#define ZFS_APPENDONLY 0x0000004000000000ull
|
|
#define ZFS_NODUMP 0x0000008000000000ull
|
|
#define ZFS_OPAQUE 0x0000010000000000ull
|
|
#define ZFS_AV_QUARANTINED 0x0000020000000000ull
|
|
#define ZFS_AV_MODIFIED 0x0000040000000000ull
|
|
#define ZFS_REPARSE 0x0000080000000000ull
|
|
#define ZFS_OFFLINE 0x0000100000000000ull
|
|
#define ZFS_SPARSE 0x0000200000000000ull
|
|
|
|
#define ZFS_DOS_FL_USER_VISIBLE (ZFS_IMMUTABLE | ZFS_APPENDONLY | \
|
|
ZFS_NOUNLINK | ZFS_ARCHIVE | ZFS_NODUMP | ZFS_SYSTEM | \
|
|
ZFS_HIDDEN | ZFS_READONLY | ZFS_REPARSE | ZFS_OFFLINE | \
|
|
ZFS_SPARSE)
|
|
|
|
#endif
|
|
|
|
/*
|
|
* 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.
|
|
*
|
|
* (Keep in sync with contrib/pyzfs/libzfs_core/_constants.py)
|
|
*/
|
|
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_UNKNOWN_SEND_STREAM_FEATURE,
|
|
ZFS_ERR_EXPORT_IN_PROGRESS,
|
|
ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR,
|
|
ZFS_ERR_STREAM_TRUNCATED,
|
|
ZFS_ERR_STREAM_LARGE_BLOCK_MISMATCH,
|
|
ZFS_ERR_RESILVER_IN_PROGRESS,
|
|
ZFS_ERR_REBUILD_IN_PROGRESS,
|
|
ZFS_ERR_BADPROP,
|
|
ZFS_ERR_VDEV_NOTSUP,
|
|
} 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;
|
|
|
|
typedef enum {
|
|
ZPOOL_WAIT_CKPT_DISCARD,
|
|
ZPOOL_WAIT_FREE,
|
|
ZPOOL_WAIT_INITIALIZE,
|
|
ZPOOL_WAIT_REPLACE,
|
|
ZPOOL_WAIT_REMOVE,
|
|
ZPOOL_WAIT_RESILVER,
|
|
ZPOOL_WAIT_SCRUB,
|
|
ZPOOL_WAIT_TRIM,
|
|
ZPOOL_WAIT_NUM_ACTIVITIES
|
|
} zpool_wait_activity_t;
|
|
|
|
typedef enum {
|
|
ZFS_WAIT_DELETEQ,
|
|
ZFS_WAIT_NUM_ACTIVITIES
|
|
} zfs_wait_activity_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_OUTPUT_SIZE "out_size"
|
|
#define ZPOOL_HIST_DSNAME "dsname"
|
|
#define ZPOOL_HIST_DSID "dsid"
|
|
#define ZPOOL_HIST_ERRNO "errno"
|
|
#define ZPOOL_HIST_ELAPSED_NS "elapsed_ns"
|
|
|
|
/*
|
|
* 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"
|
|
|
|
/*
|
|
* The following are names used when invoking ZFS_IOC_POOL_WAIT.
|
|
*/
|
|
#define ZPOOL_WAIT_ACTIVITY "wait_activity"
|
|
#define ZPOOL_WAIT_TAG "wait_tag"
|
|
#define ZPOOL_WAIT_WAITED "wait_waited"
|
|
|
|
/*
|
|
* The following are names used when invoking ZFS_IOC_VDEV_GET_PROP.
|
|
*/
|
|
#define ZPOOL_VDEV_PROPS_GET_VDEV "vdevprops_get_vdev"
|
|
#define ZPOOL_VDEV_PROPS_GET_PROPS "vdevprops_get_props"
|
|
|
|
/*
|
|
* The following are names used when invoking ZFS_IOC_VDEV_SET_PROP.
|
|
*/
|
|
#define ZPOOL_VDEV_PROPS_SET_VDEV "vdevprops_set_vdev"
|
|
#define ZPOOL_VDEV_PROPS_SET_PROPS "vdevprops_set_props"
|
|
|
|
/*
|
|
* The following are names used when invoking ZFS_IOC_WAIT_FS.
|
|
*/
|
|
#define ZFS_WAIT_ACTIVITY "wait_activity"
|
|
#define ZFS_WAIT_WAITED "wait_waited"
|
|
|
|
/*
|
|
* 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_FINISH
|
|
*
|
|
* ZFS_EV_POOL_NAME DATA_TYPE_STRING
|
|
* ZFS_EV_POOL_GUID DATA_TYPE_UINT64
|
|
* ZFS_EV_RESILVER_TYPE DATA_TYPE_STRING
|
|
*
|
|
* 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"
|
|
#define ZFS_EV_RESILVER_TYPE "resilver_type"
|
|
|
|
/*
|
|
* We currently support block sizes from 512 bytes to 16MB.
|
|
* The benefits of larger blocks, and thus larger IO, need to be weighed
|
|
* against the cost of COWing a giant block to modify one byte, and the
|
|
* large latency of reading or writing a large block.
|
|
*
|
|
* Note that although blocks up to 16MB are supported, the recordsize
|
|
* property can not be set larger than zfs_max_recordsize (default 1MB).
|
|
* See the comment near zfs_max_recordsize in dsl_dataset.c for details.
|
|
*
|
|
* Note that although the LSIZE field of the blkptr_t can store sizes up
|
|
* to 32MB, the dnode's dn_datablkszsec can only store sizes up to
|
|
* 32MB - 512 bytes. Therefore, we limit SPA_MAXBLOCKSIZE to 16MB.
|
|
*/
|
|
#define SPA_MINBLOCKSHIFT 9
|
|
#define SPA_OLD_MAXBLOCKSHIFT 17
|
|
#define SPA_MAXBLOCKSHIFT 24
|
|
#define SPA_MINBLOCKSIZE (1ULL << SPA_MINBLOCKSHIFT)
|
|
#define SPA_OLD_MAXBLOCKSIZE (1ULL << SPA_OLD_MAXBLOCKSHIFT)
|
|
#define SPA_MAXBLOCKSIZE (1ULL << SPA_MAXBLOCKSHIFT)
|
|
|
|
/* supported encryption algorithms */
|
|
enum zio_encrypt {
|
|
ZIO_CRYPT_INHERIT = 0,
|
|
ZIO_CRYPT_ON,
|
|
ZIO_CRYPT_OFF,
|
|
ZIO_CRYPT_AES_128_CCM,
|
|
ZIO_CRYPT_AES_192_CCM,
|
|
ZIO_CRYPT_AES_256_CCM,
|
|
ZIO_CRYPT_AES_128_GCM,
|
|
ZIO_CRYPT_AES_192_GCM,
|
|
ZIO_CRYPT_AES_256_GCM,
|
|
ZIO_CRYPT_FUNCTIONS
|
|
};
|
|
|
|
#define ZIO_CRYPT_ON_VALUE ZIO_CRYPT_AES_256_GCM
|
|
#define ZIO_CRYPT_DEFAULT ZIO_CRYPT_OFF
|
|
|
|
/*
|
|
* xattr namespace prefixes. These are forbidden in xattr names.
|
|
*
|
|
* For cross-platform compatibility, xattrs in the user namespace should not be
|
|
* prefixed with the namespace name, but for backwards compatibility with older
|
|
* ZFS on Linux versions we do prefix the namespace.
|
|
*/
|
|
#define ZFS_XA_NS_FREEBSD_PREFIX "freebsd:"
|
|
#define ZFS_XA_NS_FREEBSD_PREFIX_LEN strlen("freebsd:")
|
|
#define ZFS_XA_NS_LINUX_SECURITY_PREFIX "security."
|
|
#define ZFS_XA_NS_LINUX_SECURITY_PREFIX_LEN strlen("security.")
|
|
#define ZFS_XA_NS_LINUX_SYSTEM_PREFIX "system."
|
|
#define ZFS_XA_NS_LINUX_SYSTEM_PREFIX_LEN strlen("system.")
|
|
#define ZFS_XA_NS_LINUX_TRUSTED_PREFIX "trusted."
|
|
#define ZFS_XA_NS_LINUX_TRUSTED_PREFIX_LEN strlen("trusted.")
|
|
#define ZFS_XA_NS_LINUX_USER_PREFIX "user."
|
|
#define ZFS_XA_NS_LINUX_USER_PREFIX_LEN strlen("user.")
|
|
|
|
#define ZFS_XA_NS_PREFIX_MATCH(ns, name) \
|
|
(strncmp(name, ZFS_XA_NS_##ns##_PREFIX, \
|
|
ZFS_XA_NS_##ns##_PREFIX_LEN) == 0)
|
|
|
|
#define ZFS_XA_NS_PREFIX_FORBIDDEN(name) \
|
|
(ZFS_XA_NS_PREFIX_MATCH(FREEBSD, name) || \
|
|
ZFS_XA_NS_PREFIX_MATCH(LINUX_SECURITY, name) || \
|
|
ZFS_XA_NS_PREFIX_MATCH(LINUX_SYSTEM, name) || \
|
|
ZFS_XA_NS_PREFIX_MATCH(LINUX_TRUSTED, name) || \
|
|
ZFS_XA_NS_PREFIX_MATCH(LINUX_USER, name))
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_FS_ZFS_H */
|