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zfs.h (201143) zfs.h (209962)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _SYS_FS_ZFS_H
27#define _SYS_FS_ZFS_H
28
29#include <sys/types.h>
30#include <sys/ioccom.h>

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104 ZFS_PROP_REFRESERVATION,
105 ZFS_PROP_GUID,
106 ZFS_PROP_PRIMARYCACHE,
107 ZFS_PROP_SECONDARYCACHE,
108 ZFS_PROP_USEDSNAP,
109 ZFS_PROP_USEDDS,
110 ZFS_PROP_USEDCHILD,
111 ZFS_PROP_USEDREFRESERV,
23 * Use is subject to license terms.
24 */
25
26#ifndef _SYS_FS_ZFS_H
27#define _SYS_FS_ZFS_H
28
29#include <sys/types.h>
30#include <sys/ioccom.h>

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104 ZFS_PROP_REFRESERVATION,
105 ZFS_PROP_GUID,
106 ZFS_PROP_PRIMARYCACHE,
107 ZFS_PROP_SECONDARYCACHE,
108 ZFS_PROP_USEDSNAP,
109 ZFS_PROP_USEDDS,
110 ZFS_PROP_USEDCHILD,
111 ZFS_PROP_USEDREFRESERV,
112 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */
112 ZFS_NUM_PROPS
113} zfs_prop_t;
114
113 ZFS_NUM_PROPS
114} zfs_prop_t;
115
116typedef enum {
117 ZFS_PROP_USERUSED,
118 ZFS_PROP_USERQUOTA,
119 ZFS_PROP_GROUPUSED,
120 ZFS_PROP_GROUPQUOTA,
121 ZFS_NUM_USERQUOTA_PROPS
122} zfs_userquota_prop_t;
123
124extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
125
115/*
116 * Pool properties are identified by these constants and must be added to the
117 * end of this list to ensure that external consumers are not affected
118 * by the change. If you make any changes to this list, be sure to update
119 * the property table in usr/src/common/zfs/zpool_prop.c.
120 */
121typedef enum {
122 ZPOOL_PROP_NAME,

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168const char *zfs_prop_default_string(zfs_prop_t);
169uint64_t zfs_prop_default_numeric(zfs_prop_t);
170boolean_t zfs_prop_readonly(zfs_prop_t);
171boolean_t zfs_prop_inheritable(zfs_prop_t);
172boolean_t zfs_prop_setonce(zfs_prop_t);
173const char *zfs_prop_to_name(zfs_prop_t);
174zfs_prop_t zfs_name_to_prop(const char *);
175boolean_t zfs_prop_user(const char *);
126/*
127 * Pool properties are identified by these constants and must be added to the
128 * end of this list to ensure that external consumers are not affected
129 * by the change. If you make any changes to this list, be sure to update
130 * the property table in usr/src/common/zfs/zpool_prop.c.
131 */
132typedef enum {
133 ZPOOL_PROP_NAME,

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179const char *zfs_prop_default_string(zfs_prop_t);
180uint64_t zfs_prop_default_numeric(zfs_prop_t);
181boolean_t zfs_prop_readonly(zfs_prop_t);
182boolean_t zfs_prop_inheritable(zfs_prop_t);
183boolean_t zfs_prop_setonce(zfs_prop_t);
184const char *zfs_prop_to_name(zfs_prop_t);
185zfs_prop_t zfs_name_to_prop(const char *);
186boolean_t zfs_prop_user(const char *);
187boolean_t zfs_prop_userquota(const char *name);
176int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
177int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
178boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
179
180/*
181 * Pool property functions shared between libzfs and kernel.
182 */
183zpool_prop_t zpool_name_to_prop(const char *);

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212 ZFS_DELEG_PERM_LOCALDESCENDENT = 3,
213 ZFS_DELEG_PERM_CREATE = 4
214} zfs_deleg_inherit_t;
215
216#define ZFS_DELEG_PERM_UID "uid"
217#define ZFS_DELEG_PERM_GID "gid"
218#define ZFS_DELEG_PERM_GROUPS "groups"
219
188int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
189int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
190boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
191
192/*
193 * Pool property functions shared between libzfs and kernel.
194 */
195zpool_prop_t zpool_name_to_prop(const char *);

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224 ZFS_DELEG_PERM_LOCALDESCENDENT = 3,
225 ZFS_DELEG_PERM_CREATE = 4
226} zfs_deleg_inherit_t;
227
228#define ZFS_DELEG_PERM_UID "uid"
229#define ZFS_DELEG_PERM_GID "gid"
230#define ZFS_DELEG_PERM_GROUPS "groups"
231
232#define ZFS_SMB_ACL_SRC "src"
233#define ZFS_SMB_ACL_TARGET "target"
234
220typedef enum {
221 ZFS_CANMOUNT_OFF = 0,
222 ZFS_CANMOUNT_ON = 1,
223 ZFS_CANMOUNT_NOAUTO = 2
224} zfs_canmount_type_t;
225
226typedef enum zfs_share_op {
227 ZFS_SHARE_NFS = 0,
228 ZFS_UNSHARE_NFS = 1,
229 ZFS_SHARE_SMB = 2,
230 ZFS_UNSHARE_SMB = 3
231} zfs_share_op_t;
232
235typedef enum {
236 ZFS_CANMOUNT_OFF = 0,
237 ZFS_CANMOUNT_ON = 1,
238 ZFS_CANMOUNT_NOAUTO = 2
239} zfs_canmount_type_t;
240
241typedef enum zfs_share_op {
242 ZFS_SHARE_NFS = 0,
243 ZFS_UNSHARE_NFS = 1,
244 ZFS_SHARE_SMB = 2,
245 ZFS_UNSHARE_SMB = 3
246} zfs_share_op_t;
247
248typedef enum zfs_smb_acl_op {
249 ZFS_SMB_ACL_ADD,
250 ZFS_SMB_ACL_REMOVE,
251 ZFS_SMB_ACL_RENAME,
252 ZFS_SMB_ACL_PURGE
253} zfs_smb_acl_op_t;
254
233typedef enum zfs_cache_type {
234 ZFS_CACHE_NONE = 0,
235 ZFS_CACHE_METADATA = 1,
236 ZFS_CACHE_ALL = 2
237} zfs_cache_type_t;
238
239
240/*

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249#define SPA_VERSION_7 7ULL
250#define SPA_VERSION_8 8ULL
251#define SPA_VERSION_9 9ULL
252#define SPA_VERSION_10 10ULL
253#define SPA_VERSION_11 11ULL
254#define SPA_VERSION_12 12ULL
255#define SPA_VERSION_13 13ULL
256#define SPA_VERSION_14 14ULL
255typedef enum zfs_cache_type {
256 ZFS_CACHE_NONE = 0,
257 ZFS_CACHE_METADATA = 1,
258 ZFS_CACHE_ALL = 2
259} zfs_cache_type_t;
260
261
262/*

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271#define SPA_VERSION_7 7ULL
272#define SPA_VERSION_8 8ULL
273#define SPA_VERSION_9 9ULL
274#define SPA_VERSION_10 10ULL
275#define SPA_VERSION_11 11ULL
276#define SPA_VERSION_12 12ULL
277#define SPA_VERSION_13 13ULL
278#define SPA_VERSION_14 14ULL
279#define SPA_VERSION_15 15ULL
257/*
258 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
259 * format change. Go to usr/src/grub/grub-0.95/stage2/{zfs-include/, fsys_zfs*},
280/*
281 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
282 * format change. Go to usr/src/grub/grub-0.95/stage2/{zfs-include/, fsys_zfs*},
260 * and do the appropriate changes.
283 * and do the appropriate changes. Also bump the version number in
284 * usr/src/grub/capability.
261 */
285 */
262#define SPA_VERSION SPA_VERSION_14
263#define SPA_VERSION_STRING "14"
286#define SPA_VERSION SPA_VERSION_15
287#define SPA_VERSION_STRING "15"
264
265/*
266 * Symbolic names for the changes that caused a SPA_VERSION switch.
267 * Used in the code when checking for presence or absence of a feature.
268 * Feel free to define multiple symbolic names for each version if there
269 * were multiple changes to on-disk structures during that version.
270 *
271 * NOTE: When checking the current SPA_VERSION in your code, be sure

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291#define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9
292#define SPA_VERSION_L2CACHE SPA_VERSION_10
293#define SPA_VERSION_NEXT_CLONES SPA_VERSION_11
294#define SPA_VERSION_ORIGIN SPA_VERSION_11
295#define SPA_VERSION_DSL_SCRUB SPA_VERSION_11
296#define SPA_VERSION_SNAP_PROPS SPA_VERSION_12
297#define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13
298#define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14
288
289/*
290 * Symbolic names for the changes that caused a SPA_VERSION switch.
291 * Used in the code when checking for presence or absence of a feature.
292 * Feel free to define multiple symbolic names for each version if there
293 * were multiple changes to on-disk structures during that version.
294 *
295 * NOTE: When checking the current SPA_VERSION in your code, be sure

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315#define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9
316#define SPA_VERSION_L2CACHE SPA_VERSION_10
317#define SPA_VERSION_NEXT_CLONES SPA_VERSION_11
318#define SPA_VERSION_ORIGIN SPA_VERSION_11
319#define SPA_VERSION_DSL_SCRUB SPA_VERSION_11
320#define SPA_VERSION_SNAP_PROPS SPA_VERSION_12
321#define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13
322#define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14
323#define SPA_VERSION_USERSPACE SPA_VERSION_15
299
300/*
301 * ZPL version - rev'd whenever an incompatible on-disk format change
302 * occurs. This is independent of SPA/DMU/ZAP versioning. You must
303 * also update the version_table[] and help message in zfs_prop.c.
304 *
305 * When changing, be sure to teach GRUB how to read the new format!
306 * See usr/src/grub/grub-0.95/stage2/{zfs-include/,fsys_zfs*}
307 */
308#define ZPL_VERSION_1 1ULL
309#define ZPL_VERSION_2 2ULL
310#define ZPL_VERSION_3 3ULL
324
325/*
326 * ZPL version - rev'd whenever an incompatible on-disk format change
327 * occurs. This is independent of SPA/DMU/ZAP versioning. You must
328 * also update the version_table[] and help message in zfs_prop.c.
329 *
330 * When changing, be sure to teach GRUB how to read the new format!
331 * See usr/src/grub/grub-0.95/stage2/{zfs-include/,fsys_zfs*}
332 */
333#define ZPL_VERSION_1 1ULL
334#define ZPL_VERSION_2 2ULL
335#define ZPL_VERSION_3 3ULL
311#define ZPL_VERSION ZPL_VERSION_3
312#define ZPL_VERSION_STRING "3"
336#define ZPL_VERSION_4 4ULL
337#define ZPL_VERSION ZPL_VERSION_4
338#define ZPL_VERSION_STRING "4"
313
314#define ZPL_VERSION_INITIAL ZPL_VERSION_1
315#define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2
316#define ZPL_VERSION_FUID ZPL_VERSION_3
317#define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3
318#define ZPL_VERSION_SYSATTR ZPL_VERSION_3
339
340#define ZPL_VERSION_INITIAL ZPL_VERSION_1
341#define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2
342#define ZPL_VERSION_FUID ZPL_VERSION_3
343#define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3
344#define ZPL_VERSION_SYSATTR ZPL_VERSION_3
345#define ZPL_VERSION_USERSPACE ZPL_VERSION_4
319
320/*
321 * The following are configuration names used in the nvlist describing a pool's
322 * configuration.
323 */
324#define ZPOOL_CONFIG_VERSION "version"
325#define ZPOOL_CONFIG_POOL_NAME "name"
326#define ZPOOL_CONFIG_POOL_STATE "state"

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360 * The persistent vdev state is stored as separate values rather than a single
361 * 'vdev_state' entry. This is because a device can be in multiple states, such
362 * as offline and degraded.
363 */
364#define ZPOOL_CONFIG_OFFLINE "offline"
365#define ZPOOL_CONFIG_FAULTED "faulted"
366#define ZPOOL_CONFIG_DEGRADED "degraded"
367#define ZPOOL_CONFIG_REMOVED "removed"
346
347/*
348 * The following are configuration names used in the nvlist describing a pool's
349 * configuration.
350 */
351#define ZPOOL_CONFIG_VERSION "version"
352#define ZPOOL_CONFIG_POOL_NAME "name"
353#define ZPOOL_CONFIG_POOL_STATE "state"

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387 * The persistent vdev state is stored as separate values rather than a single
388 * 'vdev_state' entry. This is because a device can be in multiple states, such
389 * as offline and degraded.
390 */
391#define ZPOOL_CONFIG_OFFLINE "offline"
392#define ZPOOL_CONFIG_FAULTED "faulted"
393#define ZPOOL_CONFIG_DEGRADED "degraded"
394#define ZPOOL_CONFIG_REMOVED "removed"
395#define ZPOOL_CONFIG_FRU "fru"
368
369#define VDEV_TYPE_ROOT "root"
370#define VDEV_TYPE_MIRROR "mirror"
371#define VDEV_TYPE_REPLACING "replacing"
372#define VDEV_TYPE_RAIDZ "raidz"
373#define VDEV_TYPE_DISK "disk"
374#define VDEV_TYPE_FILE "file"
375#define VDEV_TYPE_MISSING "missing"

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563#define ZFS_IOC_POOL_GET_PROPS _IOWR('Z', 41, struct zfs_cmd)
564#define ZFS_IOC_SET_FSACL _IOWR('Z', 42, struct zfs_cmd)
565#define ZFS_IOC_GET_FSACL _IOWR('Z', 43, struct zfs_cmd)
566#define ZFS_IOC_ISCSI_PERM_CHECK _IOWR('Z', 44, struct zfs_cmd)
567#define ZFS_IOC_SHARE _IOWR('Z', 45, struct zfs_cmd)
568#define ZFS_IOC_INHERIT_PROP _IOWR('Z', 46, struct zfs_cmd)
569#define ZFS_IOC_JAIL _IOWR('Z', 47, struct zfs_cmd)
570#define ZFS_IOC_UNJAIL _IOWR('Z', 48, struct zfs_cmd)
396
397#define VDEV_TYPE_ROOT "root"
398#define VDEV_TYPE_MIRROR "mirror"
399#define VDEV_TYPE_REPLACING "replacing"
400#define VDEV_TYPE_RAIDZ "raidz"
401#define VDEV_TYPE_DISK "disk"
402#define VDEV_TYPE_FILE "file"
403#define VDEV_TYPE_MISSING "missing"

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591#define ZFS_IOC_POOL_GET_PROPS _IOWR('Z', 41, struct zfs_cmd)
592#define ZFS_IOC_SET_FSACL _IOWR('Z', 42, struct zfs_cmd)
593#define ZFS_IOC_GET_FSACL _IOWR('Z', 43, struct zfs_cmd)
594#define ZFS_IOC_ISCSI_PERM_CHECK _IOWR('Z', 44, struct zfs_cmd)
595#define ZFS_IOC_SHARE _IOWR('Z', 45, struct zfs_cmd)
596#define ZFS_IOC_INHERIT_PROP _IOWR('Z', 46, struct zfs_cmd)
597#define ZFS_IOC_JAIL _IOWR('Z', 47, struct zfs_cmd)
598#define ZFS_IOC_UNJAIL _IOWR('Z', 48, struct zfs_cmd)
599#define ZFS_IOC_SMB_ACL _IOWR('Z', 49, struct zfs_cmd)
600#define ZFS_IOC_USERSPACE_ONE _IOWR('Z', 50, struct zfs_cmd)
601#define ZFS_IOC_USERSPACE_MANY _IOWR('Z', 51, struct zfs_cmd)
602#define ZFS_IOC_USERSPACE_UPGRADE _IOWR('Z', 52, struct zfs_cmd)
603#define ZFS_IOC_SETFRU _IOWR('Z', 53, struct zfs_cmd)
571
572/*
573 * Internal SPA load state. Used by FMA diagnosis engine.
574 */
575typedef enum {
576 SPA_LOAD_NONE, /* no load in progress */
577 SPA_LOAD_OPEN, /* normal open */
578 SPA_LOAD_IMPORT, /* import in progress */

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605/*
606 * Internal SPA load state. Used by FMA diagnosis engine.
607 */
608typedef enum {
609 SPA_LOAD_NONE, /* no load in progress */
610 SPA_LOAD_OPEN, /* normal open */
611 SPA_LOAD_IMPORT, /* import in progress */

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