author | Neil Perrin <Neil.Perrin@Sun.COM> |
Fri, 14 Aug 2009 11:18:12 -0600 | |
changeset 10310 | ba87b3315737 |
parent 10242 | c40d075fbca6 |
child 10575 | 2a8816c5173b |
permissions | -rw-r--r-- |
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/* |
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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 2009 Sun Microsystems, Inc. All rights reserved. |
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* Use is subject to license terms. |
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*/ |
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#ifndef _SYS_FS_ZFS_H |
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#define _SYS_FS_ZFS_H |
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#include <sys/time.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_FILESYSTEM = 0x1, |
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ZFS_TYPE_SNAPSHOT = 0x2, |
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ZFS_TYPE_VOLUME = 0x4, |
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ZFS_TYPE_POOL = 0x8 |
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} zfs_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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#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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/* |
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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 usr/src/common/zfs/zfs_prop.c. |
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*/ |
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typedef enum { |
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ZFS_PROP_TYPE, |
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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, /* not exposed to the user */ |
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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_SHAREISCSI, |
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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_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_NUM_USERQUOTA_PROPS |
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} zfs_userquota_prop_t; |
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extern const char *zfs_userquota_prop_prefixes[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. 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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ZPOOL_PROP_NAME, |
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ZPOOL_PROP_SIZE, |
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ZPOOL_PROP_USED, |
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ZPOOL_PROP_AVAILABLE, |
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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_NUM_PROPS |
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} zpool_prop_t; |
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#define ZPROP_CONT -2 |
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#define ZPROP_INVAL -1 |
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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_source_t; |
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#define ZPROP_SRC_ALL 0x1f |
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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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* Dataset property functions shared between libzfs and kernel. |
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*/ |
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const char *zfs_prop_default_string(zfs_prop_t); |
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uint64_t zfs_prop_default_numeric(zfs_prop_t); |
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boolean_t zfs_prop_readonly(zfs_prop_t); |
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boolean_t zfs_prop_inheritable(zfs_prop_t); |
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boolean_t zfs_prop_setonce(zfs_prop_t); |
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const char *zfs_prop_to_name(zfs_prop_t); |
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zfs_prop_t zfs_name_to_prop(const char *); |
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boolean_t zfs_prop_user(const char *); |
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boolean_t zfs_prop_userquota(const char *name); |
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int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **); |
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int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *); |
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boolean_t zfs_prop_valid_for_type(int, zfs_type_t); |
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/* |
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* Pool property functions shared between libzfs and kernel. |
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202 |
*/ |
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zpool_prop_t zpool_name_to_prop(const char *); |
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const char *zpool_prop_to_name(zpool_prop_t); |
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const char *zpool_prop_default_string(zpool_prop_t); |
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uint64_t zpool_prop_default_numeric(zpool_prop_t); |
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boolean_t zpool_prop_readonly(zpool_prop_t); |
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int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **); |
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int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *); |
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/* |
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* Definitions for the Delegation. |
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213 |
*/ |
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typedef enum { |
215 |
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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223 |
ZFS_DELEG_CREATE_SETS = 'C', |
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224 |
ZFS_DELEG_NAMED_SET = 's', |
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225 |
ZFS_DELEG_NAMED_SET_SETS = 'S' |
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226 |
} zfs_deleg_who_type_t; |
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227 |
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228 |
typedef enum { |
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229 |
ZFS_DELEG_NONE = 0, |
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230 |
ZFS_DELEG_PERM_LOCAL = 1, |
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231 |
ZFS_DELEG_PERM_DESCENDENT = 2, |
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232 |
ZFS_DELEG_PERM_LOCALDESCENDENT = 3, |
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233 |
ZFS_DELEG_PERM_CREATE = 4 |
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234 |
} zfs_deleg_inherit_t; |
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236 |
#define ZFS_DELEG_PERM_UID "uid" |
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237 |
#define ZFS_DELEG_PERM_GID "gid" |
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#define ZFS_DELEG_PERM_GROUPS "groups" |
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#define ZFS_SMB_ACL_SRC "src" |
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#define ZFS_SMB_ACL_TARGET "target" |
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typedef enum { |
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ZFS_CANMOUNT_OFF = 0, |
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ZFS_CANMOUNT_ON = 1, |
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ZFS_CANMOUNT_NOAUTO = 2 |
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} zfs_canmount_type_t; |
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typedef enum { |
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ZFS_LOGBIAS_LATENCY = 0, |
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251 |
ZFS_LOGBIAS_THROUGHPUT = 1 |
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} zfs_logbias_op_t; |
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253 |
|
5331 | 254 |
typedef enum zfs_share_op { |
255 |
ZFS_SHARE_NFS = 0, |
|
256 |
ZFS_UNSHARE_NFS = 1, |
|
257 |
ZFS_SHARE_SMB = 2, |
|
258 |
ZFS_UNSHARE_SMB = 3 |
|
259 |
} zfs_share_op_t; |
|
260 |
||
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261 |
typedef enum zfs_smb_acl_op { |
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|
262 |
ZFS_SMB_ACL_ADD, |
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|
263 |
ZFS_SMB_ACL_REMOVE, |
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|
264 |
ZFS_SMB_ACL_RENAME, |
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|
265 |
ZFS_SMB_ACL_PURGE |
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|
266 |
} zfs_smb_acl_op_t; |
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|
267 |
|
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typedef enum zfs_cache_type { |
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ZFS_CACHE_NONE = 0, |
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ZFS_CACHE_METADATA = 1, |
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ZFS_CACHE_ALL = 2 |
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272 |
} zfs_cache_type_t; |
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273 |
|
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274 |
|
789 | 275 |
/* |
2082 | 276 |
* On-disk version number. |
1760 | 277 |
*/ |
4577 | 278 |
#define SPA_VERSION_1 1ULL |
279 |
#define SPA_VERSION_2 2ULL |
|
280 |
#define SPA_VERSION_3 3ULL |
|
281 |
#define SPA_VERSION_4 4ULL |
|
282 |
#define SPA_VERSION_5 5ULL |
|
283 |
#define SPA_VERSION_6 6ULL |
|
284 |
#define SPA_VERSION_7 7ULL |
|
285 |
#define SPA_VERSION_8 8ULL |
|
5331 | 286 |
#define SPA_VERSION_9 9ULL |
5450 | 287 |
#define SPA_VERSION_10 10ULL |
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#define SPA_VERSION_11 11ULL |
7265 | 289 |
#define SPA_VERSION_12 12ULL |
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#define SPA_VERSION_13 13ULL |
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291 |
#define SPA_VERSION_14 14ULL |
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292 |
#define SPA_VERSION_15 15ULL |
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#define SPA_VERSION_16 16ULL |
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#define SPA_VERSION_17 17ULL |
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#define SPA_VERSION_18 18ULL |
3912 | 296 |
/* |
6423 | 297 |
* When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk |
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298 |
* format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*}, |
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299 |
* and do the appropriate changes. Also bump the version number in |
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|
300 |
* usr/src/grub/capability. |
3912 | 301 |
*/ |
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302 |
#define SPA_VERSION SPA_VERSION_18 |
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303 |
#define SPA_VERSION_STRING "18" |
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|
304 |
|
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|
305 |
/* |
4577 | 306 |
* Symbolic names for the changes that caused a SPA_VERSION switch. |
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307 |
* Used in the code when checking for presence or absence of a feature. |
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|
308 |
* Feel free to define multiple symbolic names for each version if there |
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|
309 |
* were multiple changes to on-disk structures during that version. |
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|
310 |
* |
4577 | 311 |
* NOTE: When checking the current SPA_VERSION in your code, be sure |
1775
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|
312 |
* to use spa_version() since it reports the version of the |
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|
313 |
* last synced uberblock. Checking the in-flight version can |
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|
314 |
* be dangerous in some cases. |
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|
315 |
*/ |
4577 | 316 |
#define SPA_VERSION_INITIAL SPA_VERSION_1 |
317 |
#define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2 |
|
318 |
#define SPA_VERSION_SPARES SPA_VERSION_3 |
|
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|
319 |
#define SPA_VERSION_RAIDZ2 SPA_VERSION_3 |
4577 | 320 |
#define SPA_VERSION_BPLIST_ACCOUNT SPA_VERSION_3 |
321 |
#define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3 |
|
322 |
#define SPA_VERSION_DNODE_BYTES SPA_VERSION_3 |
|
323 |
#define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4 |
|
324 |
#define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5 |
|
325 |
#define SPA_VERSION_BOOTFS SPA_VERSION_6 |
|
5094 | 326 |
#define SPA_VERSION_SLOGS SPA_VERSION_7 |
327 |
#define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8 |
|
5331 | 328 |
#define SPA_VERSION_FUID SPA_VERSION_9 |
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|
329 |
#define SPA_VERSION_REFRESERVATION SPA_VERSION_9 |
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|
330 |
#define SPA_VERSION_REFQUOTA SPA_VERSION_9 |
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|
331 |
#define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 |
5450 | 332 |
#define SPA_VERSION_L2CACHE SPA_VERSION_10 |
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|
333 |
#define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 |
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|
334 |
#define SPA_VERSION_ORIGIN SPA_VERSION_11 |
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|
335 |
#define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 |
7265 | 336 |
#define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 |
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|
337 |
#define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 |
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|
338 |
#define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 |
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|
339 |
#define SPA_VERSION_USERSPACE SPA_VERSION_15 |
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340 |
#define SPA_VERSION_STMF_PROP SPA_VERSION_16 |
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341 |
#define SPA_VERSION_RAIDZ3 SPA_VERSION_17 |
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|
342 |
#define SPA_VERSION_USERREFS SPA_VERSION_18 |
4577 | 343 |
|
344 |
/* |
|
345 |
* ZPL version - rev'd whenever an incompatible on-disk format change |
|
346 |
* occurs. This is independent of SPA/DMU/ZAP versioning. You must |
|
347 |
* also update the version_table[] and help message in zfs_prop.c. |
|
348 |
* |
|
349 |
* When changing, be sure to teach GRUB how to read the new format! |
|
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|
350 |
* See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*} |
4577 | 351 |
*/ |
352 |
#define ZPL_VERSION_1 1ULL |
|
353 |
#define ZPL_VERSION_2 2ULL |
|
5331 | 354 |
#define ZPL_VERSION_3 3ULL |
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|
355 |
#define ZPL_VERSION_4 4ULL |
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|
356 |
#define ZPL_VERSION ZPL_VERSION_4 |
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|
357 |
#define ZPL_VERSION_STRING "4" |
4577 | 358 |
|
359 |
#define ZPL_VERSION_INITIAL ZPL_VERSION_1 |
|
360 |
#define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2 |
|
5331 | 361 |
#define ZPL_VERSION_FUID ZPL_VERSION_3 |
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|
362 |
#define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3 |
5331 | 363 |
#define ZPL_VERSION_SYSATTR ZPL_VERSION_3 |
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|
364 |
#define ZPL_VERSION_USERSPACE ZPL_VERSION_4 |
1760 | 365 |
|
366 |
/* |
|
789 | 367 |
* The following are configuration names used in the nvlist describing a pool's |
368 |
* configuration. |
|
369 |
*/ |
|
370 |
#define ZPOOL_CONFIG_VERSION "version" |
|
371 |
#define ZPOOL_CONFIG_POOL_NAME "name" |
|
372 |
#define ZPOOL_CONFIG_POOL_STATE "state" |
|
373 |
#define ZPOOL_CONFIG_POOL_TXG "txg" |
|
374 |
#define ZPOOL_CONFIG_POOL_GUID "pool_guid" |
|
375 |
#define ZPOOL_CONFIG_CREATE_TXG "create_txg" |
|
376 |
#define ZPOOL_CONFIG_TOP_GUID "top_guid" |
|
377 |
#define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" |
|
378 |
#define ZPOOL_CONFIG_TYPE "type" |
|
379 |
#define ZPOOL_CONFIG_CHILDREN "children" |
|
380 |
#define ZPOOL_CONFIG_ID "id" |
|
381 |
#define ZPOOL_CONFIG_GUID "guid" |
|
382 |
#define ZPOOL_CONFIG_PATH "path" |
|
383 |
#define ZPOOL_CONFIG_DEVID "devid" |
|
384 |
#define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" |
|
385 |
#define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" |
|
386 |
#define ZPOOL_CONFIG_ASHIFT "ashift" |
|
387 |
#define ZPOOL_CONFIG_ASIZE "asize" |
|
388 |
#define ZPOOL_CONFIG_DTL "DTL" |
|
389 |
#define ZPOOL_CONFIG_STATS "stats" |
|
1171 | 390 |
#define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" |
1544 | 391 |
#define ZPOOL_CONFIG_ERRCOUNT "error_count" |
392 |
#define ZPOOL_CONFIG_NOT_PRESENT "not_present" |
|
2082 | 393 |
#define ZPOOL_CONFIG_SPARES "spares" |
394 |
#define ZPOOL_CONFIG_IS_SPARE "is_spare" |
|
395 |
#define ZPOOL_CONFIG_NPARITY "nparity" |
|
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|
396 |
#define ZPOOL_CONFIG_HOSTID "hostid" |
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|
397 |
#define ZPOOL_CONFIG_HOSTNAME "hostname" |
4451 | 398 |
#define ZPOOL_CONFIG_UNSPARE "unspare" |
399 |
#define ZPOOL_CONFIG_PHYS_PATH "phys_path" |
|
4527 | 400 |
#define ZPOOL_CONFIG_IS_LOG "is_log" |
5450 | 401 |
#define ZPOOL_CONFIG_L2CACHE "l2cache" |
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|
402 |
#define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ |
6423 | 403 |
#define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ |
404 |
#define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */ |
|
4451 | 405 |
/* |
406 |
* The persistent vdev state is stored as separate values rather than a single |
|
407 |
* 'vdev_state' entry. This is because a device can be in multiple states, such |
|
408 |
* as offline and degraded. |
|
409 |
*/ |
|
410 |
#define ZPOOL_CONFIG_OFFLINE "offline" |
|
411 |
#define ZPOOL_CONFIG_FAULTED "faulted" |
|
412 |
#define ZPOOL_CONFIG_DEGRADED "degraded" |
|
413 |
#define ZPOOL_CONFIG_REMOVED "removed" |
|
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|
414 |
#define ZPOOL_CONFIG_FRU "fru" |
789 | 415 |
|
416 |
#define VDEV_TYPE_ROOT "root" |
|
417 |
#define VDEV_TYPE_MIRROR "mirror" |
|
418 |
#define VDEV_TYPE_REPLACING "replacing" |
|
419 |
#define VDEV_TYPE_RAIDZ "raidz" |
|
420 |
#define VDEV_TYPE_DISK "disk" |
|
421 |
#define VDEV_TYPE_FILE "file" |
|
422 |
#define VDEV_TYPE_MISSING "missing" |
|
2082 | 423 |
#define VDEV_TYPE_SPARE "spare" |
4527 | 424 |
#define VDEV_TYPE_LOG "log" |
5450 | 425 |
#define VDEV_TYPE_L2CACHE "l2cache" |
789 | 426 |
|
427 |
/* |
|
428 |
* This is needed in userland to report the minimum necessary device size. |
|
429 |
*/ |
|
430 |
#define SPA_MINDEVSIZE (64ULL << 20) |
|
431 |
||
432 |
/* |
|
433 |
* The location of the pool configuration repository, shared between kernel and |
|
434 |
* userland. |
|
435 |
*/ |
|
6643
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|
436 |
#define ZPOOL_CACHE "/etc/zfs/zpool.cache" |
789 | 437 |
|
438 |
/* |
|
439 |
* vdev states are ordered from least to most healthy. |
|
440 |
* A vdev that's CANT_OPEN or below is considered unusable. |
|
441 |
*/ |
|
442 |
typedef enum vdev_state { |
|
443 |
VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */ |
|
444 |
VDEV_STATE_CLOSED, /* Not currently open */ |
|
445 |
VDEV_STATE_OFFLINE, /* Not allowed to open */ |
|
4451 | 446 |
VDEV_STATE_REMOVED, /* Explicitly removed from system */ |
789 | 447 |
VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */ |
4451 | 448 |
VDEV_STATE_FAULTED, /* External request to fault device */ |
789 | 449 |
VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */ |
450 |
VDEV_STATE_HEALTHY /* Presumed good */ |
|
451 |
} vdev_state_t; |
|
452 |
||
4451 | 453 |
#define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY |
454 |
||
789 | 455 |
/* |
456 |
* vdev aux states. When a vdev is in the CANT_OPEN state, the aux field |
|
457 |
* of the vdev stats structure uses these constants to distinguish why. |
|
458 |
*/ |
|
459 |
typedef enum vdev_aux { |
|
460 |
VDEV_AUX_NONE, /* no error */ |
|
461 |
VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */ |
|
462 |
VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */ |
|
463 |
VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */ |
|
464 |
VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */ |
|
465 |
VDEV_AUX_TOO_SMALL, /* vdev size is too small */ |
|
1760 | 466 |
VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */ |
467 |
VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */ |
|
2082 | 468 |
VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */ |
4451 | 469 |
VDEV_AUX_SPARED, /* hot spare used in another pool */ |
6523
c1d2a7f04573
6616739 panic message ZFS: I/O failure (write on <unknown> is not very helpful
ek110237
parents:
6423
diff
changeset
|
470 |
VDEV_AUX_ERR_EXCEEDED, /* too many errors */ |
7294 | 471 |
VDEV_AUX_IO_FAILURE, /* experienced I/O failure */ |
472 |
VDEV_AUX_BAD_LOG /* cannot read log chain(s) */ |
|
789 | 473 |
} vdev_aux_t; |
474 |
||
475 |
/* |
|
1352
b7039548de2f
6343802 zpool(1M) should make better use of libdiskmgt
eschrock
parents:
1175
diff
changeset
|
476 |
* pool state. The following states are written to disk as part of the normal |
5450 | 477 |
* SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining |
478 |
* states are software abstractions used at various levels to communicate |
|
479 |
* pool state. |
|
789 | 480 |
*/ |
481 |
typedef enum pool_state { |
|
482 |
POOL_STATE_ACTIVE = 0, /* In active use */ |
|
483 |
POOL_STATE_EXPORTED, /* Explicitly exported */ |
|
484 |
POOL_STATE_DESTROYED, /* Explicitly destroyed */ |
|
2082 | 485 |
POOL_STATE_SPARE, /* Reserved for hot spare use */ |
5450 | 486 |
POOL_STATE_L2CACHE, /* Level 2 ARC device */ |
789 | 487 |
POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ |
1352
b7039548de2f
6343802 zpool(1M) should make better use of libdiskmgt
eschrock
parents:
1175
diff
changeset
|
488 |
POOL_STATE_UNAVAIL, /* Internal libzfs state */ |
b7039548de2f
6343802 zpool(1M) should make better use of libdiskmgt
eschrock
parents:
1175
diff
changeset
|
489 |
POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ |
789 | 490 |
} pool_state_t; |
491 |
||
492 |
/* |
|
493 |
* Scrub types. |
|
494 |
*/ |
|
495 |
typedef enum pool_scrub_type { |
|
496 |
POOL_SCRUB_NONE, |
|
497 |
POOL_SCRUB_RESILVER, |
|
498 |
POOL_SCRUB_EVERYTHING, |
|
499 |
POOL_SCRUB_TYPES |
|
500 |
} pool_scrub_type_t; |
|
501 |
||
502 |
/* |
|
503 |
* ZIO types. Needed to interpret vdev statistics below. |
|
504 |
*/ |
|
505 |
typedef enum zio_type { |
|
506 |
ZIO_TYPE_NULL = 0, |
|
507 |
ZIO_TYPE_READ, |
|
508 |
ZIO_TYPE_WRITE, |
|
509 |
ZIO_TYPE_FREE, |
|
510 |
ZIO_TYPE_CLAIM, |
|
511 |
ZIO_TYPE_IOCTL, |
|
512 |
ZIO_TYPES |
|
513 |
} zio_type_t; |
|
514 |
||
515 |
/* |
|
516 |
* Vdev statistics. Note: all fields should be 64-bit because this |
|
517 |
* is passed between kernel and userland as an nvlist uint64 array. |
|
518 |
*/ |
|
519 |
typedef struct vdev_stat { |
|
520 |
hrtime_t vs_timestamp; /* time since vdev load */ |
|
521 |
uint64_t vs_state; /* vdev state */ |
|
522 |
uint64_t vs_aux; /* see vdev_aux_t */ |
|
523 |
uint64_t vs_alloc; /* space allocated */ |
|
524 |
uint64_t vs_space; /* total capacity */ |
|
2082 | 525 |
uint64_t vs_dspace; /* deflated capacity */ |
1175
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
1171
diff
changeset
|
526 |
uint64_t vs_rsize; /* replaceable dev size */ |
789 | 527 |
uint64_t vs_ops[ZIO_TYPES]; /* operation count */ |
528 |
uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */ |
|
529 |
uint64_t vs_read_errors; /* read errors */ |
|
530 |
uint64_t vs_write_errors; /* write errors */ |
|
531 |
uint64_t vs_checksum_errors; /* checksum errors */ |
|
532 |
uint64_t vs_self_healed; /* self-healed bytes */ |
|
533 |
uint64_t vs_scrub_type; /* pool_scrub_type_t */ |
|
534 |
uint64_t vs_scrub_complete; /* completed? */ |
|
535 |
uint64_t vs_scrub_examined; /* bytes examined; top */ |
|
536 |
uint64_t vs_scrub_repaired; /* bytes repaired; leaf */ |
|
537 |
uint64_t vs_scrub_errors; /* errors during scrub */ |
|
538 |
uint64_t vs_scrub_start; /* UTC scrub start time */ |
|
539 |
uint64_t vs_scrub_end; /* UTC scrub end time */ |
|
540 |
} vdev_stat_t; |
|
541 |
||
6423 | 542 |
#define ZVOL_DRIVER "zvol" |
789 | 543 |
#define ZFS_DRIVER "zfs" |
544 |
#define ZFS_DEV "/dev/zfs" |
|
545 |
||
546 |
/* |
|
547 |
* zvol paths. Irritatingly, the devfsadm interfaces want all these |
|
548 |
* paths without the /dev prefix, but for some things, we want the |
|
549 |
* /dev prefix. Below are the names without /dev. |
|
550 |
*/ |
|
551 |
#define ZVOL_DEV_DIR "zvol/dsk" |
|
552 |
#define ZVOL_RDEV_DIR "zvol/rdsk" |
|
553 |
||
554 |
/* |
|
555 |
* And here are the things we need with /dev, etc. in front of them. |
|
556 |
*/ |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9643
diff
changeset
|
557 |
#define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:" |
6423 | 558 |
#define ZVOL_FULL_DEV_DIR "/dev/" ZVOL_DEV_DIR "/" |
789 | 559 |
|
560 |
#define ZVOL_PROP_NAME "name" |
|
561 |
||
562 |
/* |
|
563 |
* /dev/zfs ioctl numbers. |
|
564 |
*/ |
|
565 |
#define ZFS_IOC ('Z' << 8) |
|
566 |
||
567 |
typedef enum zfs_ioc { |
|
568 |
ZFS_IOC_POOL_CREATE = ZFS_IOC, |
|
569 |
ZFS_IOC_POOL_DESTROY, |
|
570 |
ZFS_IOC_POOL_IMPORT, |
|
571 |
ZFS_IOC_POOL_EXPORT, |
|
572 |
ZFS_IOC_POOL_CONFIGS, |
|
573 |
ZFS_IOC_POOL_STATS, |
|
574 |
ZFS_IOC_POOL_TRYIMPORT, |
|
575 |
ZFS_IOC_POOL_SCRUB, |
|
576 |
ZFS_IOC_POOL_FREEZE, |
|
1760 | 577 |
ZFS_IOC_POOL_UPGRADE, |
2926 | 578 |
ZFS_IOC_POOL_GET_HISTORY, |
789 | 579 |
ZFS_IOC_VDEV_ADD, |
580 |
ZFS_IOC_VDEV_REMOVE, |
|
4451 | 581 |
ZFS_IOC_VDEV_SET_STATE, |
789 | 582 |
ZFS_IOC_VDEV_ATTACH, |
583 |
ZFS_IOC_VDEV_DETACH, |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1352
diff
changeset
|
584 |
ZFS_IOC_VDEV_SETPATH, |
9425
e7ffacaec3a8
6799895 spa_add_spares() needs to be protected by config lock
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
9396
diff
changeset
|
585 |
ZFS_IOC_VDEV_SETFRU, |
789 | 586 |
ZFS_IOC_OBJSET_STATS, |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5450
diff
changeset
|
587 |
ZFS_IOC_OBJSET_ZPLPROPS, |
789 | 588 |
ZFS_IOC_DATASET_LIST_NEXT, |
589 |
ZFS_IOC_SNAPSHOT_LIST_NEXT, |
|
590 |
ZFS_IOC_SET_PROP, |
|
591 |
ZFS_IOC_CREATE_MINOR, |
|
592 |
ZFS_IOC_REMOVE_MINOR, |
|
593 |
ZFS_IOC_CREATE, |
|
594 |
ZFS_IOC_DESTROY, |
|
595 |
ZFS_IOC_ROLLBACK, |
|
596 |
ZFS_IOC_RENAME, |
|
5367 | 597 |
ZFS_IOC_RECV, |
598 |
ZFS_IOC_SEND, |
|
1544 | 599 |
ZFS_IOC_INJECT_FAULT, |
600 |
ZFS_IOC_CLEAR_FAULT, |
|
601 |
ZFS_IOC_INJECT_LIST_NEXT, |
|
602 |
ZFS_IOC_ERROR_LOG, |
|
603 |
ZFS_IOC_CLEAR, |
|
2199 | 604 |
ZFS_IOC_PROMOTE, |
605 |
ZFS_IOC_DESTROY_SNAPS, |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3377
diff
changeset
|
606 |
ZFS_IOC_SNAPSHOT, |
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3377
diff
changeset
|
607 |
ZFS_IOC_DSOBJ_TO_DSNAME, |
3912 | 608 |
ZFS_IOC_OBJ_TO_PATH, |
609 |
ZFS_IOC_POOL_SET_PROPS, |
|
4543 | 610 |
ZFS_IOC_POOL_GET_PROPS, |
611 |
ZFS_IOC_SET_FSACL, |
|
612 |
ZFS_IOC_GET_FSACL, |
|
613 |
ZFS_IOC_ISCSI_PERM_CHECK, |
|
4849
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4787
diff
changeset
|
614 |
ZFS_IOC_SHARE, |
8845
91af0d9c0790
6800942 smb_session_create() incorrectly stores IP addresses
Alan Wright <amw@Sun.COM>
parents:
8053
diff
changeset
|
615 |
ZFS_IOC_INHERIT_PROP, |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
8845
diff
changeset
|
616 |
ZFS_IOC_SMB_ACL, |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
8845
diff
changeset
|
617 |
ZFS_IOC_USERSPACE_ONE, |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
8845
diff
changeset
|
618 |
ZFS_IOC_USERSPACE_MANY, |
10242
c40d075fbca6
PSARC/2009/297 zfs snapshot holds
Chris Kirby <chris.kirby@sun.com>
parents:
10105
diff
changeset
|
619 |
ZFS_IOC_USERSPACE_UPGRADE, |
c40d075fbca6
PSARC/2009/297 zfs snapshot holds
Chris Kirby <chris.kirby@sun.com>
parents:
10105
diff
changeset
|
620 |
ZFS_IOC_HOLD, |
c40d075fbca6
PSARC/2009/297 zfs snapshot holds
Chris Kirby <chris.kirby@sun.com>
parents:
10105
diff
changeset
|
621 |
ZFS_IOC_RELEASE, |
c40d075fbca6
PSARC/2009/297 zfs snapshot holds
Chris Kirby <chris.kirby@sun.com>
parents:
10105
diff
changeset
|
622 |
ZFS_IOC_GET_HOLDS |
789 | 623 |
} zfs_ioc_t; |
624 |
||
1544 | 625 |
/* |
626 |
* Internal SPA load state. Used by FMA diagnosis engine. |
|
627 |
*/ |
|
628 |
typedef enum { |
|
629 |
SPA_LOAD_NONE, /* no load in progress */ |
|
630 |
SPA_LOAD_OPEN, /* normal open */ |
|
631 |
SPA_LOAD_IMPORT, /* import in progress */ |
|
632 |
SPA_LOAD_TRYIMPORT /* tryimport in progress */ |
|
633 |
} spa_load_state_t; |
|
634 |
||
2676 | 635 |
/* |
636 |
* Bookmark name values. |
|
637 |
*/ |
|
3444
dc160a70a50d
6410433 'zpool status -v' would be more useful with filenames
ek110237
parents:
3377
diff
changeset
|
638 |
#define ZPOOL_ERR_LIST "error list" |
2676 | 639 |
#define ZPOOL_ERR_DATASET "dataset" |
640 |
#define ZPOOL_ERR_OBJECT "object" |
|
641 |
||
2926 | 642 |
#define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1) |
643 |
||
644 |
/* |
|
645 |
* The following are names used in the nvlist describing |
|
646 |
* the pool's history log. |
|
647 |
*/ |
|
648 |
#define ZPOOL_HIST_RECORD "history record" |
|
649 |
#define ZPOOL_HIST_TIME "history time" |
|
650 |
#define ZPOOL_HIST_CMD "history command" |
|
4543 | 651 |
#define ZPOOL_HIST_WHO "history who" |
652 |
#define ZPOOL_HIST_ZONE "history zone" |
|
653 |
#define ZPOOL_HIST_HOST "history hostname" |
|
654 |
#define ZPOOL_HIST_TXG "history txg" |
|
655 |
#define ZPOOL_HIST_INT_EVENT "history internal event" |
|
656 |
#define ZPOOL_HIST_INT_STR "history internal str" |
|
2926 | 657 |
|
4451 | 658 |
/* |
659 |
* Flags for ZFS_IOC_VDEV_SET_STATE |
|
660 |
*/ |
|
661 |
#define ZFS_ONLINE_CHECKREMOVE 0x1 |
|
662 |
#define ZFS_ONLINE_UNSPARE 0x2 |
|
663 |
#define ZFS_ONLINE_FORCEFAULT 0x4 |
|
9816
847676ec1c5b
PSARC 2008/353 zpool autoexpand property
George Wilson <George.Wilson@Sun.COM>
parents:
9643
diff
changeset
|
664 |
#define ZFS_ONLINE_EXPAND 0x8 |
4451 | 665 |
#define ZFS_OFFLINE_TEMPORARY 0x1 |
666 |
||
667 |
/* |
|
668 |
* Sysevent payload members. ZFS will generate the following sysevents with the |
|
669 |
* given payloads: |
|
670 |
* |
|
671 |
* ESC_ZFS_RESILVER_START |
|
672 |
* ESC_ZFS_RESILVER_END |
|
673 |
* ESC_ZFS_POOL_DESTROY |
|
674 |
* |
|
675 |
* ZFS_EV_POOL_NAME DATA_TYPE_STRING |
|
676 |
* ZFS_EV_POOL_GUID DATA_TYPE_UINT64 |
|
677 |
* |
|
678 |
* ESC_ZFS_VDEV_REMOVE |
|
679 |
* ESC_ZFS_VDEV_CLEAR |
|
680 |
* ESC_ZFS_VDEV_CHECK |
|
681 |
* |
|
682 |
* ZFS_EV_POOL_NAME DATA_TYPE_STRING |
|
683 |
* ZFS_EV_POOL_GUID DATA_TYPE_UINT64 |
|
684 |
* ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional) |
|
685 |
* ZFS_EV_VDEV_GUID DATA_TYPE_UINT64 |
|
686 |
*/ |
|
687 |
#define ZFS_EV_POOL_NAME "pool_name" |
|
688 |
#define ZFS_EV_POOL_GUID "pool_guid" |
|
689 |
#define ZFS_EV_VDEV_PATH "vdev_path" |
|
690 |
#define ZFS_EV_VDEV_GUID "vdev_guid" |
|
691 |
||
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6690
diff
changeset
|
692 |
/* |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6690
diff
changeset
|
693 |
* Note: This is encoded on-disk, so new events must be added to the |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6690
diff
changeset
|
694 |
* end, and unused events can not be removed. Be sure to edit |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6690
diff
changeset
|
695 |
* zpool_main.c: hist_event_table[]. |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6690
diff
changeset
|
696 |
*/ |
4543 | 697 |
typedef enum history_internal_events { |
698 |
LOG_NO_EVENT = 0, |
|
699 |
LOG_POOL_CREATE, |
|
700 |
LOG_POOL_VDEV_ADD, |
|
701 |
LOG_POOL_REMOVE, |
|
702 |
LOG_POOL_DESTROY, |
|
703 |
LOG_POOL_EXPORT, |
|
704 |
LOG_POOL_IMPORT, |
|
705 |
LOG_POOL_VDEV_ATTACH, |
|
706 |
LOG_POOL_VDEV_REPLACE, |
|
707 |
LOG_POOL_VDEV_DETACH, |
|
708 |
LOG_POOL_VDEV_ONLINE, |
|
709 |
LOG_POOL_VDEV_OFFLINE, |
|
710 |
LOG_POOL_UPGRADE, |
|
711 |
LOG_POOL_CLEAR, |
|
712 |
LOG_POOL_SCRUB, |
|
713 |
LOG_POOL_PROPSET, |
|
714 |
LOG_DS_CREATE, |
|
715 |
LOG_DS_CLONE, |
|
716 |
LOG_DS_DESTROY, |
|
717 |
LOG_DS_DESTROY_BEGIN, |
|
718 |
LOG_DS_INHERIT, |
|
719 |
LOG_DS_PROPSET, |
|
720 |
LOG_DS_QUOTA, |
|
721 |
LOG_DS_PERM_UPDATE, |
|
722 |
LOG_DS_PERM_REMOVE, |
|
723 |
LOG_DS_PERM_WHO_REMOVE, |
|
724 |
LOG_DS_PROMOTE, |
|
725 |
LOG_DS_RECEIVE, |
|
726 |
LOG_DS_RENAME, |
|
727 |
LOG_DS_RESERVATION, |
|
728 |
LOG_DS_REPLAY_INC_SYNC, |
|
729 |
LOG_DS_REPLAY_FULL_SYNC, |
|
730 |
LOG_DS_ROLLBACK, |
|
731 |
LOG_DS_SNAPSHOT, |
|
4577 | 732 |
LOG_DS_UPGRADE, |
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5367
diff
changeset
|
733 |
LOG_DS_REFQUOTA, |
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5367
diff
changeset
|
734 |
LOG_DS_REFRESERV, |
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6690
diff
changeset
|
735 |
LOG_POOL_SCRUB_DONE, |
10242
c40d075fbca6
PSARC/2009/297 zfs snapshot holds
Chris Kirby <chris.kirby@sun.com>
parents:
10105
diff
changeset
|
736 |
LOG_DS_USER_HOLD, |
c40d075fbca6
PSARC/2009/297 zfs snapshot holds
Chris Kirby <chris.kirby@sun.com>
parents:
10105
diff
changeset
|
737 |
LOG_DS_USER_RELEASE, |
4543 | 738 |
LOG_END |
739 |
} history_internal_events_t; |
|
740 |
||
789 | 741 |
#ifdef __cplusplus |
742 |
} |
|
743 |
#endif |
|
744 |
||
745 |
#endif /* _SYS_FS_ZFS_H */ |