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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 | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
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. | |
23 | * Use is subject to license terms. | |
24 | */ | |
25 | ||
26 | #ifndef _SYS_FS_ZFS_H | |
27 | #define _SYS_FS_ZFS_H | |
28 | ||
29 | #pragma ident "@(#)zfs.h 1.44 08/04/09 SMI" | |
30 | ||
31 | #ifdef __cplusplus | |
32 | extern "C" { | |
33 | #endif | |
34 | ||
35 | /* | |
36 | * Types and constants shared between userland and the kernel. | |
37 | */ | |
38 | ||
39 | /* | |
40 | * Each dataset can be one of the following types. These constants can be | |
41 | * combined into masks that can be passed to various functions. | |
42 | */ | |
43 | typedef enum { | |
44 | ZFS_TYPE_FILESYSTEM = 0x1, | |
45 | ZFS_TYPE_SNAPSHOT = 0x2, | |
46 | ZFS_TYPE_VOLUME = 0x4, | |
47 | ZFS_TYPE_POOL = 0x8 | |
48 | } zfs_type_t; | |
49 | ||
50 | #define ZFS_TYPE_DATASET \ | |
51 | (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT) | |
52 | ||
53 | /* | |
54 | * Dataset properties are identified by these constants and must be added to | |
55 | * the end of this list to ensure that external consumers are not affected | |
56 | * by the change. If you make any changes to this list, be sure to update | |
57 | * the property table in usr/src/common/zfs/zfs_prop.c. | |
58 | */ | |
59 | typedef enum { | |
60 | ZFS_PROP_TYPE, | |
61 | ZFS_PROP_CREATION, | |
62 | ZFS_PROP_USED, | |
63 | ZFS_PROP_AVAILABLE, | |
64 | ZFS_PROP_REFERENCED, | |
65 | ZFS_PROP_COMPRESSRATIO, | |
66 | ZFS_PROP_MOUNTED, | |
67 | ZFS_PROP_ORIGIN, | |
68 | ZFS_PROP_QUOTA, | |
69 | ZFS_PROP_RESERVATION, | |
70 | ZFS_PROP_VOLSIZE, | |
71 | ZFS_PROP_VOLBLOCKSIZE, | |
72 | ZFS_PROP_RECORDSIZE, | |
73 | ZFS_PROP_MOUNTPOINT, | |
74 | ZFS_PROP_SHARENFS, | |
75 | ZFS_PROP_CHECKSUM, | |
76 | ZFS_PROP_COMPRESSION, | |
77 | ZFS_PROP_ATIME, | |
78 | ZFS_PROP_DEVICES, | |
79 | ZFS_PROP_EXEC, | |
80 | ZFS_PROP_SETUID, | |
81 | ZFS_PROP_READONLY, | |
82 | ZFS_PROP_ZONED, | |
83 | ZFS_PROP_SNAPDIR, | |
84 | ZFS_PROP_ACLMODE, | |
85 | ZFS_PROP_ACLINHERIT, | |
86 | ZFS_PROP_CREATETXG, /* not exposed to the user */ | |
87 | ZFS_PROP_NAME, /* not exposed to the user */ | |
88 | ZFS_PROP_CANMOUNT, | |
89 | ZFS_PROP_SHAREISCSI, | |
90 | ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */ | |
91 | ZFS_PROP_XATTR, | |
92 | ZFS_PROP_NUMCLONES, /* not exposed to the user */ | |
93 | ZFS_PROP_COPIES, | |
94 | ZFS_PROP_VERSION, | |
95 | ZFS_PROP_UTF8ONLY, | |
96 | ZFS_PROP_NORMALIZE, | |
97 | ZFS_PROP_CASE, | |
98 | ZFS_PROP_VSCAN, | |
99 | ZFS_PROP_NBMAND, | |
100 | ZFS_PROP_SHARESMB, | |
101 | ZFS_PROP_REFQUOTA, | |
102 | ZFS_PROP_REFRESERVATION, | |
103 | ZFS_NUM_PROPS | |
104 | } zfs_prop_t; | |
105 | ||
106 | /* | |
107 | * Pool properties are identified by these constants and must be added to the | |
108 | * end of this list to ensure that external conumsers are not affected | |
109 | * by the change. If you make any changes to this list, be sure to update | |
110 | * the property table in usr/src/common/zfs/zpool_prop.c. | |
111 | */ | |
112 | typedef enum { | |
113 | ZPOOL_PROP_NAME, | |
114 | ZPOOL_PROP_SIZE, | |
115 | ZPOOL_PROP_USED, | |
116 | ZPOOL_PROP_AVAILABLE, | |
117 | ZPOOL_PROP_CAPACITY, | |
118 | ZPOOL_PROP_ALTROOT, | |
119 | ZPOOL_PROP_HEALTH, | |
120 | ZPOOL_PROP_GUID, | |
121 | ZPOOL_PROP_VERSION, | |
122 | ZPOOL_PROP_BOOTFS, | |
123 | ZPOOL_PROP_DELEGATION, | |
124 | ZPOOL_PROP_AUTOREPLACE, | |
125 | ZPOOL_PROP_CACHEFILE, | |
126 | ZPOOL_PROP_FAILUREMODE, | |
127 | ZPOOL_NUM_PROPS | |
128 | } zpool_prop_t; | |
129 | ||
130 | #define ZPROP_CONT -2 | |
131 | #define ZPROP_INVAL -1 | |
132 | ||
133 | #define ZPROP_VALUE "value" | |
134 | #define ZPROP_SOURCE "source" | |
135 | ||
136 | typedef enum { | |
137 | ZPROP_SRC_NONE = 0x1, | |
138 | ZPROP_SRC_DEFAULT = 0x2, | |
139 | ZPROP_SRC_TEMPORARY = 0x4, | |
140 | ZPROP_SRC_LOCAL = 0x8, | |
141 | ZPROP_SRC_INHERITED = 0x10 | |
142 | } zprop_source_t; | |
143 | ||
144 | #define ZPROP_SRC_ALL 0x1f | |
145 | ||
146 | typedef int (*zprop_func)(int, void *); | |
147 | ||
148 | /* | |
149 | * Dataset property functions shared between libzfs and kernel. | |
150 | */ | |
151 | const char *zfs_prop_default_string(zfs_prop_t); | |
152 | uint64_t zfs_prop_default_numeric(zfs_prop_t); | |
153 | boolean_t zfs_prop_readonly(zfs_prop_t); | |
154 | boolean_t zfs_prop_inheritable(zfs_prop_t); | |
155 | boolean_t zfs_prop_setonce(zfs_prop_t); | |
156 | const char *zfs_prop_to_name(zfs_prop_t); | |
157 | zfs_prop_t zfs_name_to_prop(const char *); | |
158 | boolean_t zfs_prop_user(const char *); | |
159 | int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **); | |
160 | int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *); | |
161 | int zfs_prop_valid_for_type(int, zfs_type_t); | |
162 | ||
163 | /* | |
164 | * Pool property functions shared between libzfs and kernel. | |
165 | */ | |
166 | zpool_prop_t zpool_name_to_prop(const char *); | |
167 | const char *zpool_prop_to_name(zpool_prop_t); | |
168 | const char *zpool_prop_default_string(zpool_prop_t); | |
169 | uint64_t zpool_prop_default_numeric(zpool_prop_t); | |
170 | boolean_t zpool_prop_readonly(zpool_prop_t); | |
171 | int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **); | |
172 | int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *); | |
173 | ||
174 | /* | |
175 | * Definitions for the Delegation. | |
176 | */ | |
177 | typedef enum { | |
178 | ZFS_DELEG_WHO_UNKNOWN = 0, | |
179 | ZFS_DELEG_USER = 'u', | |
180 | ZFS_DELEG_USER_SETS = 'U', | |
181 | ZFS_DELEG_GROUP = 'g', | |
182 | ZFS_DELEG_GROUP_SETS = 'G', | |
183 | ZFS_DELEG_EVERYONE = 'e', | |
184 | ZFS_DELEG_EVERYONE_SETS = 'E', | |
185 | ZFS_DELEG_CREATE = 'c', | |
186 | ZFS_DELEG_CREATE_SETS = 'C', | |
187 | ZFS_DELEG_NAMED_SET = 's', | |
188 | ZFS_DELEG_NAMED_SET_SETS = 'S' | |
189 | } zfs_deleg_who_type_t; | |
190 | ||
191 | typedef enum { | |
192 | ZFS_DELEG_NONE = 0, | |
193 | ZFS_DELEG_PERM_LOCAL = 1, | |
194 | ZFS_DELEG_PERM_DESCENDENT = 2, | |
195 | ZFS_DELEG_PERM_LOCALDESCENDENT = 3, | |
196 | ZFS_DELEG_PERM_CREATE = 4 | |
197 | } zfs_deleg_inherit_t; | |
198 | ||
199 | #define ZFS_DELEG_PERM_UID "uid" | |
200 | #define ZFS_DELEG_PERM_GID "gid" | |
201 | #define ZFS_DELEG_PERM_GROUPS "groups" | |
202 | ||
203 | typedef enum { | |
204 | ZFS_CANMOUNT_OFF = 0, | |
205 | ZFS_CANMOUNT_ON = 1, | |
206 | ZFS_CANMOUNT_NOAUTO = 2 | |
207 | } zfs_canmount_type_t; | |
208 | ||
209 | typedef enum zfs_share_op { | |
210 | ZFS_SHARE_NFS = 0, | |
211 | ZFS_UNSHARE_NFS = 1, | |
212 | ZFS_SHARE_SMB = 2, | |
213 | ZFS_UNSHARE_SMB = 3 | |
214 | } zfs_share_op_t; | |
215 | ||
216 | /* | |
217 | * On-disk version number. | |
218 | */ | |
219 | #define SPA_VERSION_1 1ULL | |
220 | #define SPA_VERSION_2 2ULL | |
221 | #define SPA_VERSION_3 3ULL | |
222 | #define SPA_VERSION_4 4ULL | |
223 | #define SPA_VERSION_5 5ULL | |
224 | #define SPA_VERSION_6 6ULL | |
225 | #define SPA_VERSION_7 7ULL | |
226 | #define SPA_VERSION_8 8ULL | |
227 | #define SPA_VERSION_9 9ULL | |
228 | #define SPA_VERSION_10 10ULL | |
229 | ||
230 | /* | |
231 | * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk | |
232 | * format change. Go to usr/src/grub/grub-0.95/stage2/{zfs-include/, fsys_zfs*}, | |
233 | * and do the appropriate changes. | |
234 | */ | |
235 | #define SPA_VERSION SPA_VERSION_10 | |
236 | #define SPA_VERSION_STRING "10" | |
237 | ||
238 | /* | |
239 | * Symbolic names for the changes that caused a SPA_VERSION switch. | |
240 | * Used in the code when checking for presence or absence of a feature. | |
241 | * Feel free to define multiple symbolic names for each version if there | |
242 | * were multiple changes to on-disk structures during that version. | |
243 | * | |
244 | * NOTE: When checking the current SPA_VERSION in your code, be sure | |
245 | * to use spa_version() since it reports the version of the | |
246 | * last synced uberblock. Checking the in-flight version can | |
247 | * be dangerous in some cases. | |
248 | */ | |
249 | #define SPA_VERSION_INITIAL SPA_VERSION_1 | |
250 | #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2 | |
251 | #define SPA_VERSION_SPARES SPA_VERSION_3 | |
252 | #define SPA_VERSION_RAID6 SPA_VERSION_3 | |
253 | #define SPA_VERSION_BPLIST_ACCOUNT SPA_VERSION_3 | |
254 | #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3 | |
255 | #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3 | |
256 | #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4 | |
257 | #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5 | |
258 | #define SPA_VERSION_BOOTFS SPA_VERSION_6 | |
259 | #define SPA_VERSION_SLOGS SPA_VERSION_7 | |
260 | #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8 | |
261 | #define SPA_VERSION_FUID SPA_VERSION_9 | |
262 | #define SPA_VERSION_REFRESERVATION SPA_VERSION_9 | |
263 | #define SPA_VERSION_REFQUOTA SPA_VERSION_9 | |
264 | #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 | |
265 | #define SPA_VERSION_L2CACHE SPA_VERSION_10 | |
266 | ||
267 | /* | |
268 | * ZPL version - rev'd whenever an incompatible on-disk format change | |
269 | * occurs. This is independent of SPA/DMU/ZAP versioning. You must | |
270 | * also update the version_table[] and help message in zfs_prop.c. | |
271 | * | |
272 | * When changing, be sure to teach GRUB how to read the new format! | |
273 | * See usr/src/grub/grub-0.95/stage2/{zfs-include/,fsys_zfs*} | |
274 | */ | |
275 | #define ZPL_VERSION_1 1ULL | |
276 | #define ZPL_VERSION_2 2ULL | |
277 | #define ZPL_VERSION_3 3ULL | |
278 | #define ZPL_VERSION ZPL_VERSION_3 | |
279 | #define ZPL_VERSION_STRING "3" | |
280 | ||
281 | #define ZPL_VERSION_INITIAL ZPL_VERSION_1 | |
282 | #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2 | |
283 | #define ZPL_VERSION_FUID ZPL_VERSION_3 | |
284 | #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3 | |
285 | #define ZPL_VERSION_SYSATTR ZPL_VERSION_3 | |
286 | ||
287 | /* | |
288 | * The following are configuration names used in the nvlist describing a pool's | |
289 | * configuration. | |
290 | */ | |
291 | #define ZPOOL_CONFIG_VERSION "version" | |
292 | #define ZPOOL_CONFIG_POOL_NAME "name" | |
293 | #define ZPOOL_CONFIG_POOL_STATE "state" | |
294 | #define ZPOOL_CONFIG_POOL_TXG "txg" | |
295 | #define ZPOOL_CONFIG_POOL_GUID "pool_guid" | |
296 | #define ZPOOL_CONFIG_CREATE_TXG "create_txg" | |
297 | #define ZPOOL_CONFIG_TOP_GUID "top_guid" | |
298 | #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" | |
299 | #define ZPOOL_CONFIG_TYPE "type" | |
300 | #define ZPOOL_CONFIG_CHILDREN "children" | |
301 | #define ZPOOL_CONFIG_ID "id" | |
302 | #define ZPOOL_CONFIG_GUID "guid" | |
303 | #define ZPOOL_CONFIG_PATH "path" | |
304 | #define ZPOOL_CONFIG_DEVID "devid" | |
305 | #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" | |
306 | #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" | |
307 | #define ZPOOL_CONFIG_ASHIFT "ashift" | |
308 | #define ZPOOL_CONFIG_ASIZE "asize" | |
309 | #define ZPOOL_CONFIG_DTL "DTL" | |
310 | #define ZPOOL_CONFIG_STATS "stats" | |
311 | #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" | |
312 | #define ZPOOL_CONFIG_ERRCOUNT "error_count" | |
313 | #define ZPOOL_CONFIG_NOT_PRESENT "not_present" | |
314 | #define ZPOOL_CONFIG_SPARES "spares" | |
315 | #define ZPOOL_CONFIG_IS_SPARE "is_spare" | |
316 | #define ZPOOL_CONFIG_NPARITY "nparity" | |
317 | #define ZPOOL_CONFIG_HOSTID "hostid" | |
318 | #define ZPOOL_CONFIG_HOSTNAME "hostname" | |
319 | #define ZPOOL_CONFIG_UNSPARE "unspare" | |
320 | #define ZPOOL_CONFIG_PHYS_PATH "phys_path" | |
321 | #define ZPOOL_CONFIG_IS_LOG "is_log" | |
322 | #define ZPOOL_CONFIG_L2CACHE "l2cache" | |
323 | #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ | |
324 | #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */ | |
325 | /* | |
326 | * The persistent vdev state is stored as separate values rather than a single | |
327 | * 'vdev_state' entry. This is because a device can be in multiple states, such | |
328 | * as offline and degraded. | |
329 | */ | |
330 | #define ZPOOL_CONFIG_OFFLINE "offline" | |
331 | #define ZPOOL_CONFIG_FAULTED "faulted" | |
332 | #define ZPOOL_CONFIG_DEGRADED "degraded" | |
333 | #define ZPOOL_CONFIG_REMOVED "removed" | |
334 | ||
335 | #define VDEV_TYPE_ROOT "root" | |
336 | #define VDEV_TYPE_MIRROR "mirror" | |
337 | #define VDEV_TYPE_REPLACING "replacing" | |
338 | #define VDEV_TYPE_RAIDZ "raidz" | |
339 | #define VDEV_TYPE_DISK "disk" | |
340 | #define VDEV_TYPE_FILE "file" | |
341 | #define VDEV_TYPE_MISSING "missing" | |
342 | #define VDEV_TYPE_SPARE "spare" | |
343 | #define VDEV_TYPE_LOG "log" | |
344 | #define VDEV_TYPE_L2CACHE "l2cache" | |
345 | ||
346 | /* | |
347 | * This is needed in userland to report the minimum necessary device size. | |
348 | */ | |
349 | #define SPA_MINDEVSIZE (64ULL << 20) | |
350 | ||
351 | /* | |
352 | * The location of the pool configuration repository, shared between kernel and | |
353 | * userland. | |
354 | */ | |
355 | #define ZPOOL_CACHE_DIR "/etc/zfs" | |
356 | #define ZPOOL_CACHE_FILE "zpool.cache" | |
357 | #define ZPOOL_CACHE_TMP ".zpool.cache" | |
358 | ||
359 | #define ZPOOL_CACHE ZPOOL_CACHE_DIR "/" ZPOOL_CACHE_FILE | |
360 | ||
361 | /* | |
362 | * vdev states are ordered from least to most healthy. | |
363 | * A vdev that's CANT_OPEN or below is considered unusable. | |
364 | */ | |
365 | typedef enum vdev_state { | |
366 | VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */ | |
367 | VDEV_STATE_CLOSED, /* Not currently open */ | |
368 | VDEV_STATE_OFFLINE, /* Not allowed to open */ | |
369 | VDEV_STATE_REMOVED, /* Explicitly removed from system */ | |
370 | VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */ | |
371 | VDEV_STATE_FAULTED, /* External request to fault device */ | |
372 | VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */ | |
373 | VDEV_STATE_HEALTHY /* Presumed good */ | |
374 | } vdev_state_t; | |
375 | ||
376 | #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY | |
377 | ||
378 | /* | |
379 | * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field | |
380 | * of the vdev stats structure uses these constants to distinguish why. | |
381 | */ | |
382 | typedef enum vdev_aux { | |
383 | VDEV_AUX_NONE, /* no error */ | |
384 | VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */ | |
385 | VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */ | |
386 | VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */ | |
387 | VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */ | |
388 | VDEV_AUX_TOO_SMALL, /* vdev size is too small */ | |
389 | VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */ | |
390 | VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */ | |
391 | VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */ | |
392 | VDEV_AUX_SPARED, /* hot spare used in another pool */ | |
393 | VDEV_AUX_ERR_EXCEEDED /* too many errors */ | |
394 | } vdev_aux_t; | |
395 | ||
396 | /* | |
397 | * pool state. The following states are written to disk as part of the normal | |
398 | * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining | |
399 | * states are software abstractions used at various levels to communicate | |
400 | * pool state. | |
401 | */ | |
402 | typedef enum pool_state { | |
403 | POOL_STATE_ACTIVE = 0, /* In active use */ | |
404 | POOL_STATE_EXPORTED, /* Explicitly exported */ | |
405 | POOL_STATE_DESTROYED, /* Explicitly destroyed */ | |
406 | POOL_STATE_SPARE, /* Reserved for hot spare use */ | |
407 | POOL_STATE_L2CACHE, /* Level 2 ARC device */ | |
408 | POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ | |
409 | POOL_STATE_IO_FAILURE, /* Internal pool state */ | |
410 | POOL_STATE_UNAVAIL, /* Internal libzfs state */ | |
411 | POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ | |
412 | } pool_state_t; | |
413 | ||
414 | /* | |
415 | * Scrub types. | |
416 | */ | |
417 | typedef enum pool_scrub_type { | |
418 | POOL_SCRUB_NONE, | |
419 | POOL_SCRUB_RESILVER, | |
420 | POOL_SCRUB_EVERYTHING, | |
421 | POOL_SCRUB_TYPES | |
422 | } pool_scrub_type_t; | |
423 | ||
424 | /* | |
425 | * ZIO types. Needed to interpret vdev statistics below. | |
426 | */ | |
427 | typedef enum zio_type { | |
428 | ZIO_TYPE_NULL = 0, | |
429 | ZIO_TYPE_READ, | |
430 | ZIO_TYPE_WRITE, | |
431 | ZIO_TYPE_FREE, | |
432 | ZIO_TYPE_CLAIM, | |
433 | ZIO_TYPE_IOCTL, | |
434 | ZIO_TYPES | |
435 | } zio_type_t; | |
436 | ||
437 | /* | |
438 | * Vdev statistics. Note: all fields should be 64-bit because this | |
439 | * is passed between kernel and userland as an nvlist uint64 array. | |
440 | */ | |
441 | typedef struct vdev_stat { | |
442 | hrtime_t vs_timestamp; /* time since vdev load */ | |
443 | uint64_t vs_state; /* vdev state */ | |
444 | uint64_t vs_aux; /* see vdev_aux_t */ | |
445 | uint64_t vs_alloc; /* space allocated */ | |
446 | uint64_t vs_space; /* total capacity */ | |
447 | uint64_t vs_dspace; /* deflated capacity */ | |
448 | uint64_t vs_rsize; /* replaceable dev size */ | |
449 | uint64_t vs_ops[ZIO_TYPES]; /* operation count */ | |
450 | uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */ | |
451 | uint64_t vs_read_errors; /* read errors */ | |
452 | uint64_t vs_write_errors; /* write errors */ | |
453 | uint64_t vs_checksum_errors; /* checksum errors */ | |
454 | uint64_t vs_self_healed; /* self-healed bytes */ | |
455 | uint64_t vs_scrub_type; /* pool_scrub_type_t */ | |
456 | uint64_t vs_scrub_complete; /* completed? */ | |
457 | uint64_t vs_scrub_examined; /* bytes examined; top */ | |
458 | uint64_t vs_scrub_repaired; /* bytes repaired; leaf */ | |
459 | uint64_t vs_scrub_errors; /* errors during scrub */ | |
460 | uint64_t vs_scrub_start; /* UTC scrub start time */ | |
461 | uint64_t vs_scrub_end; /* UTC scrub end time */ | |
462 | } vdev_stat_t; | |
463 | ||
464 | #define ZVOL_DRIVER "zvol" | |
465 | #define ZFS_DRIVER "zfs" | |
466 | #define ZFS_DEV "/dev/zfs" | |
467 | ||
468 | /* | |
469 | * zvol paths. Irritatingly, the devfsadm interfaces want all these | |
470 | * paths without the /dev prefix, but for some things, we want the | |
471 | * /dev prefix. Below are the names without /dev. | |
472 | */ | |
473 | #define ZVOL_DEV_DIR "zvol/dsk" | |
474 | #define ZVOL_RDEV_DIR "zvol/rdsk" | |
475 | ||
476 | /* | |
477 | * And here are the things we need with /dev, etc. in front of them. | |
478 | */ | |
479 | #define ZVOL_PSEUDO_DEV "/devices/pseudo/zvol@0:" | |
480 | #define ZVOL_FULL_DEV_DIR "/dev/" ZVOL_DEV_DIR "/" | |
481 | ||
482 | #define ZVOL_PROP_NAME "name" | |
483 | ||
484 | /* | |
485 | * /dev/zfs ioctl numbers. | |
486 | */ | |
487 | #define ZFS_IOC ('Z' << 8) | |
488 | ||
489 | typedef enum zfs_ioc { | |
490 | ZFS_IOC_POOL_CREATE = ZFS_IOC, | |
491 | ZFS_IOC_POOL_DESTROY, | |
492 | ZFS_IOC_POOL_IMPORT, | |
493 | ZFS_IOC_POOL_EXPORT, | |
494 | ZFS_IOC_POOL_CONFIGS, | |
495 | ZFS_IOC_POOL_STATS, | |
496 | ZFS_IOC_POOL_TRYIMPORT, | |
497 | ZFS_IOC_POOL_SCRUB, | |
498 | ZFS_IOC_POOL_FREEZE, | |
499 | ZFS_IOC_POOL_UPGRADE, | |
500 | ZFS_IOC_POOL_GET_HISTORY, | |
501 | ZFS_IOC_VDEV_ADD, | |
502 | ZFS_IOC_VDEV_REMOVE, | |
503 | ZFS_IOC_VDEV_SET_STATE, | |
504 | ZFS_IOC_VDEV_ATTACH, | |
505 | ZFS_IOC_VDEV_DETACH, | |
506 | ZFS_IOC_VDEV_SETPATH, | |
507 | ZFS_IOC_OBJSET_STATS, | |
508 | ZFS_IOC_OBJSET_ZPLPROPS, | |
509 | ZFS_IOC_DATASET_LIST_NEXT, | |
510 | ZFS_IOC_SNAPSHOT_LIST_NEXT, | |
511 | ZFS_IOC_SET_PROP, | |
512 | ZFS_IOC_CREATE_MINOR, | |
513 | ZFS_IOC_REMOVE_MINOR, | |
514 | ZFS_IOC_CREATE, | |
515 | ZFS_IOC_DESTROY, | |
516 | ZFS_IOC_ROLLBACK, | |
517 | ZFS_IOC_RENAME, | |
518 | ZFS_IOC_RECV, | |
519 | ZFS_IOC_SEND, | |
520 | ZFS_IOC_INJECT_FAULT, | |
521 | ZFS_IOC_CLEAR_FAULT, | |
522 | ZFS_IOC_INJECT_LIST_NEXT, | |
523 | ZFS_IOC_ERROR_LOG, | |
524 | ZFS_IOC_CLEAR, | |
525 | ZFS_IOC_PROMOTE, | |
526 | ZFS_IOC_DESTROY_SNAPS, | |
527 | ZFS_IOC_SNAPSHOT, | |
528 | ZFS_IOC_DSOBJ_TO_DSNAME, | |
529 | ZFS_IOC_OBJ_TO_PATH, | |
530 | ZFS_IOC_POOL_SET_PROPS, | |
531 | ZFS_IOC_POOL_GET_PROPS, | |
532 | ZFS_IOC_SET_FSACL, | |
533 | ZFS_IOC_GET_FSACL, | |
534 | ZFS_IOC_ISCSI_PERM_CHECK, | |
535 | ZFS_IOC_SHARE, | |
536 | ZFS_IOC_INHERIT_PROP | |
537 | } zfs_ioc_t; | |
538 | ||
539 | /* | |
540 | * Internal SPA load state. Used by FMA diagnosis engine. | |
541 | */ | |
542 | typedef enum { | |
543 | SPA_LOAD_NONE, /* no load in progress */ | |
544 | SPA_LOAD_OPEN, /* normal open */ | |
545 | SPA_LOAD_IMPORT, /* import in progress */ | |
546 | SPA_LOAD_TRYIMPORT /* tryimport in progress */ | |
547 | } spa_load_state_t; | |
548 | ||
549 | /* | |
550 | * Bookmark name values. | |
551 | */ | |
552 | #define ZPOOL_ERR_LIST "error list" | |
553 | #define ZPOOL_ERR_DATASET "dataset" | |
554 | #define ZPOOL_ERR_OBJECT "object" | |
555 | ||
556 | #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1) | |
557 | ||
558 | /* | |
559 | * The following are names used in the nvlist describing | |
560 | * the pool's history log. | |
561 | */ | |
562 | #define ZPOOL_HIST_RECORD "history record" | |
563 | #define ZPOOL_HIST_TIME "history time" | |
564 | #define ZPOOL_HIST_CMD "history command" | |
565 | #define ZPOOL_HIST_WHO "history who" | |
566 | #define ZPOOL_HIST_ZONE "history zone" | |
567 | #define ZPOOL_HIST_HOST "history hostname" | |
568 | #define ZPOOL_HIST_TXG "history txg" | |
569 | #define ZPOOL_HIST_INT_EVENT "history internal event" | |
570 | #define ZPOOL_HIST_INT_STR "history internal str" | |
571 | ||
572 | /* | |
573 | * Flags for ZFS_IOC_VDEV_SET_STATE | |
574 | */ | |
575 | #define ZFS_ONLINE_CHECKREMOVE 0x1 | |
576 | #define ZFS_ONLINE_UNSPARE 0x2 | |
577 | #define ZFS_ONLINE_FORCEFAULT 0x4 | |
578 | #define ZFS_OFFLINE_TEMPORARY 0x1 | |
579 | ||
580 | /* | |
581 | * Sysevent payload members. ZFS will generate the following sysevents with the | |
582 | * given payloads: | |
583 | * | |
584 | * ESC_ZFS_RESILVER_START | |
585 | * ESC_ZFS_RESILVER_END | |
586 | * ESC_ZFS_POOL_DESTROY | |
587 | * | |
588 | * ZFS_EV_POOL_NAME DATA_TYPE_STRING | |
589 | * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 | |
590 | * | |
591 | * ESC_ZFS_VDEV_REMOVE | |
592 | * ESC_ZFS_VDEV_CLEAR | |
593 | * ESC_ZFS_VDEV_CHECK | |
594 | * | |
595 | * ZFS_EV_POOL_NAME DATA_TYPE_STRING | |
596 | * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 | |
597 | * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional) | |
598 | * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64 | |
599 | */ | |
600 | #define ZFS_EV_POOL_NAME "pool_name" | |
601 | #define ZFS_EV_POOL_GUID "pool_guid" | |
602 | #define ZFS_EV_VDEV_PATH "vdev_path" | |
603 | #define ZFS_EV_VDEV_GUID "vdev_guid" | |
604 | ||
605 | typedef enum history_internal_events { | |
606 | LOG_NO_EVENT = 0, | |
607 | LOG_POOL_CREATE, | |
608 | LOG_POOL_VDEV_ADD, | |
609 | LOG_POOL_REMOVE, | |
610 | LOG_POOL_DESTROY, | |
611 | LOG_POOL_EXPORT, | |
612 | LOG_POOL_IMPORT, | |
613 | LOG_POOL_VDEV_ATTACH, | |
614 | LOG_POOL_VDEV_REPLACE, | |
615 | LOG_POOL_VDEV_DETACH, | |
616 | LOG_POOL_VDEV_ONLINE, | |
617 | LOG_POOL_VDEV_OFFLINE, | |
618 | LOG_POOL_UPGRADE, | |
619 | LOG_POOL_CLEAR, | |
620 | LOG_POOL_SCRUB, | |
621 | LOG_POOL_PROPSET, | |
622 | LOG_DS_CREATE, | |
623 | LOG_DS_CLONE, | |
624 | LOG_DS_DESTROY, | |
625 | LOG_DS_DESTROY_BEGIN, | |
626 | LOG_DS_INHERIT, | |
627 | LOG_DS_PROPSET, | |
628 | LOG_DS_QUOTA, | |
629 | LOG_DS_PERM_UPDATE, | |
630 | LOG_DS_PERM_REMOVE, | |
631 | LOG_DS_PERM_WHO_REMOVE, | |
632 | LOG_DS_PROMOTE, | |
633 | LOG_DS_RECEIVE, | |
634 | LOG_DS_RENAME, | |
635 | LOG_DS_RESERVATION, | |
636 | LOG_DS_REPLAY_INC_SYNC, | |
637 | LOG_DS_REPLAY_FULL_SYNC, | |
638 | LOG_DS_ROLLBACK, | |
639 | LOG_DS_SNAPSHOT, | |
640 | LOG_DS_UPGRADE, | |
641 | LOG_DS_REFQUOTA, | |
642 | LOG_DS_REFRESERV, | |
643 | LOG_END | |
644 | } history_internal_events_t; | |
645 | ||
646 | #ifdef __cplusplus | |
647 | } | |
648 | #endif | |
649 | ||
650 | #endif /* _SYS_FS_ZFS_H */ |