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--- old/usr/src/uts/common/sys/fs/zfs.h
+++ new/usr/src/uts/common/sys/fs/zfs.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 24 * Copyright (c) 2012 by Delphix. All rights reserved.
25 25 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
26 26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
27 27 */
28 28
29 29 /* Portions Copyright 2010 Robert Milkowski */
30 30
31 31 #ifndef _SYS_FS_ZFS_H
32 32 #define _SYS_FS_ZFS_H
33 33
34 34 #include <sys/time.h>
35 35
36 36 #ifdef __cplusplus
37 37 extern "C" {
38 38 #endif
39 39
40 40 /*
41 41 * Types and constants shared between userland and the kernel.
42 42 */
43 43
44 44 /*
45 45 * Each dataset can be one of the following types. These constants can be
46 46 * combined into masks that can be passed to various functions.
47 47 */
48 48 typedef enum {
49 49 ZFS_TYPE_FILESYSTEM = 0x1,
50 50 ZFS_TYPE_SNAPSHOT = 0x2,
51 51 ZFS_TYPE_VOLUME = 0x4,
52 52 ZFS_TYPE_POOL = 0x8
53 53 } zfs_type_t;
54 54
55 55 typedef enum dmu_objset_type {
56 56 DMU_OST_NONE,
57 57 DMU_OST_META,
58 58 DMU_OST_ZFS,
59 59 DMU_OST_ZVOL,
60 60 DMU_OST_OTHER, /* For testing only! */
61 61 DMU_OST_ANY, /* Be careful! */
62 62 DMU_OST_NUMTYPES
63 63 } dmu_objset_type_t;
64 64
65 65 #define ZFS_TYPE_DATASET \
66 66 (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
67 67
68 68 #define ZAP_MAXNAMELEN 256
69 69 #define ZAP_MAXVALUELEN (1024 * 8)
70 70 #define ZAP_OLDMAXVALUELEN 1024
71 71
72 72 /*
73 73 * Dataset properties are identified by these constants and must be added to
74 74 * the end of this list to ensure that external consumers are not affected
75 75 * by the change. If you make any changes to this list, be sure to update
76 76 * the property table in usr/src/common/zfs/zfs_prop.c.
77 77 */
78 78 typedef enum {
79 79 ZFS_PROP_TYPE,
80 80 ZFS_PROP_CREATION,
81 81 ZFS_PROP_USED,
82 82 ZFS_PROP_AVAILABLE,
83 83 ZFS_PROP_REFERENCED,
84 84 ZFS_PROP_COMPRESSRATIO,
85 85 ZFS_PROP_MOUNTED,
86 86 ZFS_PROP_ORIGIN,
87 87 ZFS_PROP_QUOTA,
88 88 ZFS_PROP_RESERVATION,
89 89 ZFS_PROP_VOLSIZE,
90 90 ZFS_PROP_VOLBLOCKSIZE,
91 91 ZFS_PROP_RECORDSIZE,
92 92 ZFS_PROP_MOUNTPOINT,
93 93 ZFS_PROP_SHARENFS,
94 94 ZFS_PROP_CHECKSUM,
95 95 ZFS_PROP_COMPRESSION,
96 96 ZFS_PROP_ATIME,
97 97 ZFS_PROP_DEVICES,
98 98 ZFS_PROP_EXEC,
99 99 ZFS_PROP_SETUID,
100 100 ZFS_PROP_READONLY,
101 101 ZFS_PROP_ZONED,
102 102 ZFS_PROP_SNAPDIR,
103 103 ZFS_PROP_ACLMODE,
104 104 ZFS_PROP_ACLINHERIT,
105 105 ZFS_PROP_CREATETXG, /* not exposed to the user */
106 106 ZFS_PROP_NAME, /* not exposed to the user */
107 107 ZFS_PROP_CANMOUNT,
108 108 ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */
109 109 ZFS_PROP_XATTR,
110 110 ZFS_PROP_NUMCLONES, /* not exposed to the user */
111 111 ZFS_PROP_COPIES,
112 112 ZFS_PROP_VERSION,
113 113 ZFS_PROP_UTF8ONLY,
114 114 ZFS_PROP_NORMALIZE,
115 115 ZFS_PROP_CASE,
116 116 ZFS_PROP_VSCAN,
117 117 ZFS_PROP_NBMAND,
118 118 ZFS_PROP_SHARESMB,
119 119 ZFS_PROP_REFQUOTA,
120 120 ZFS_PROP_REFRESERVATION,
121 121 ZFS_PROP_GUID,
122 122 ZFS_PROP_PRIMARYCACHE,
123 123 ZFS_PROP_SECONDARYCACHE,
124 124 ZFS_PROP_USEDSNAP,
125 125 ZFS_PROP_USEDDS,
126 126 ZFS_PROP_USEDCHILD,
127 127 ZFS_PROP_USEDREFRESERV,
128 128 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */
129 129 ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */
130 130 ZFS_PROP_DEFER_DESTROY,
131 131 ZFS_PROP_USERREFS,
132 132 ZFS_PROP_LOGBIAS,
133 133 ZFS_PROP_UNIQUE, /* not exposed to the user */
134 134 ZFS_PROP_OBJSETID, /* not exposed to the user */
135 135 ZFS_PROP_DEDUP,
136 136 ZFS_PROP_MLSLABEL,
137 137 ZFS_PROP_SYNC,
138 138 ZFS_PROP_REFRATIO,
139 139 ZFS_PROP_WRITTEN,
140 140 ZFS_PROP_CLONES,
141 141 ZFS_NUM_PROPS
142 142 } zfs_prop_t;
143 143
144 144 typedef enum {
145 145 ZFS_PROP_USERUSED,
146 146 ZFS_PROP_USERQUOTA,
147 147 ZFS_PROP_GROUPUSED,
148 148 ZFS_PROP_GROUPQUOTA,
149 149 ZFS_NUM_USERQUOTA_PROPS
150 150 } zfs_userquota_prop_t;
151 151
152 152 extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
153 153
154 154 /*
155 155 * Pool properties are identified by these constants and must be added to the
156 156 * end of this list to ensure that external consumers are not affected
157 157 * by the change. If you make any changes to this list, be sure to update
158 158 * the property table in usr/src/common/zfs/zpool_prop.c.
159 159 */
160 160 typedef enum {
161 161 ZPOOL_PROP_NAME,
162 162 ZPOOL_PROP_SIZE,
163 163 ZPOOL_PROP_CAPACITY,
164 164 ZPOOL_PROP_ALTROOT,
165 165 ZPOOL_PROP_HEALTH,
166 166 ZPOOL_PROP_GUID,
167 167 ZPOOL_PROP_VERSION,
168 168 ZPOOL_PROP_BOOTFS,
169 169 ZPOOL_PROP_DELEGATION,
170 170 ZPOOL_PROP_AUTOREPLACE,
171 171 ZPOOL_PROP_CACHEFILE,
172 172 ZPOOL_PROP_FAILUREMODE,
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173 173 ZPOOL_PROP_LISTSNAPS,
174 174 ZPOOL_PROP_AUTOEXPAND,
175 175 ZPOOL_PROP_DEDUPDITTO,
176 176 ZPOOL_PROP_DEDUPRATIO,
177 177 ZPOOL_PROP_FREE,
178 178 ZPOOL_PROP_ALLOCATED,
179 179 ZPOOL_PROP_READONLY,
180 180 ZPOOL_PROP_COMMENT,
181 181 ZPOOL_PROP_EXPANDSZ,
182 182 ZPOOL_PROP_FREEING,
183 + ZPOOL_PROP_DDT_SALT,
183 184 ZPOOL_NUM_PROPS
184 185 } zpool_prop_t;
185 186
186 187 /* Small enough to not hog a whole line of printout in zpool(1M). */
187 188 #define ZPROP_MAX_COMMENT 32
188 189
189 190 #define ZPROP_CONT -2
190 191 #define ZPROP_INVAL -1
191 192
192 193 #define ZPROP_VALUE "value"
193 194 #define ZPROP_SOURCE "source"
194 195
195 196 typedef enum {
196 197 ZPROP_SRC_NONE = 0x1,
197 198 ZPROP_SRC_DEFAULT = 0x2,
198 199 ZPROP_SRC_TEMPORARY = 0x4,
199 200 ZPROP_SRC_LOCAL = 0x8,
200 201 ZPROP_SRC_INHERITED = 0x10,
201 202 ZPROP_SRC_RECEIVED = 0x20
202 203 } zprop_source_t;
203 204
204 205 #define ZPROP_SRC_ALL 0x3f
205 206
206 207 #define ZPROP_SOURCE_VAL_RECVD "$recvd"
207 208 #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS"
208 209 /*
209 210 * Dataset flag implemented as a special entry in the props zap object
210 211 * indicating that the dataset has received properties on or after
211 212 * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties
212 213 * just as it did in earlier versions, and thereafter, local properties are
213 214 * preserved.
214 215 */
215 216 #define ZPROP_HAS_RECVD "$hasrecvd"
216 217
217 218 typedef enum {
218 219 ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */
219 220 ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */
220 221 } zprop_errflags_t;
221 222
222 223 typedef int (*zprop_func)(int, void *);
223 224
224 225 /*
225 226 * Properties to be set on the root file system of a new pool
226 227 * are stuffed into their own nvlist, which is then included in
227 228 * the properties nvlist with the pool properties.
228 229 */
229 230 #define ZPOOL_ROOTFS_PROPS "root-props-nvl"
230 231
231 232 /*
232 233 * Dataset property functions shared between libzfs and kernel.
233 234 */
234 235 const char *zfs_prop_default_string(zfs_prop_t);
235 236 uint64_t zfs_prop_default_numeric(zfs_prop_t);
236 237 boolean_t zfs_prop_readonly(zfs_prop_t);
237 238 boolean_t zfs_prop_inheritable(zfs_prop_t);
238 239 boolean_t zfs_prop_setonce(zfs_prop_t);
239 240 const char *zfs_prop_to_name(zfs_prop_t);
240 241 zfs_prop_t zfs_name_to_prop(const char *);
241 242 boolean_t zfs_prop_user(const char *);
242 243 boolean_t zfs_prop_userquota(const char *);
243 244 boolean_t zfs_prop_written(const char *);
244 245 int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
245 246 int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
246 247 uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
247 248 boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
248 249
249 250 /*
250 251 * Pool property functions shared between libzfs and kernel.
251 252 */
252 253 zpool_prop_t zpool_name_to_prop(const char *);
253 254 const char *zpool_prop_to_name(zpool_prop_t);
254 255 const char *zpool_prop_default_string(zpool_prop_t);
255 256 uint64_t zpool_prop_default_numeric(zpool_prop_t);
256 257 boolean_t zpool_prop_readonly(zpool_prop_t);
257 258 boolean_t zpool_prop_feature(const char *);
258 259 boolean_t zpool_prop_unsupported(const char *name);
259 260 int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **);
260 261 int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *);
261 262 uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
262 263
263 264 /*
264 265 * Definitions for the Delegation.
265 266 */
266 267 typedef enum {
267 268 ZFS_DELEG_WHO_UNKNOWN = 0,
268 269 ZFS_DELEG_USER = 'u',
269 270 ZFS_DELEG_USER_SETS = 'U',
270 271 ZFS_DELEG_GROUP = 'g',
271 272 ZFS_DELEG_GROUP_SETS = 'G',
272 273 ZFS_DELEG_EVERYONE = 'e',
273 274 ZFS_DELEG_EVERYONE_SETS = 'E',
274 275 ZFS_DELEG_CREATE = 'c',
275 276 ZFS_DELEG_CREATE_SETS = 'C',
276 277 ZFS_DELEG_NAMED_SET = 's',
277 278 ZFS_DELEG_NAMED_SET_SETS = 'S'
278 279 } zfs_deleg_who_type_t;
279 280
280 281 typedef enum {
281 282 ZFS_DELEG_NONE = 0,
282 283 ZFS_DELEG_PERM_LOCAL = 1,
283 284 ZFS_DELEG_PERM_DESCENDENT = 2,
284 285 ZFS_DELEG_PERM_LOCALDESCENDENT = 3,
285 286 ZFS_DELEG_PERM_CREATE = 4
286 287 } zfs_deleg_inherit_t;
287 288
288 289 #define ZFS_DELEG_PERM_UID "uid"
289 290 #define ZFS_DELEG_PERM_GID "gid"
290 291 #define ZFS_DELEG_PERM_GROUPS "groups"
291 292
292 293 #define ZFS_MLSLABEL_DEFAULT "none"
293 294
294 295 #define ZFS_SMB_ACL_SRC "src"
295 296 #define ZFS_SMB_ACL_TARGET "target"
296 297
297 298 typedef enum {
298 299 ZFS_CANMOUNT_OFF = 0,
299 300 ZFS_CANMOUNT_ON = 1,
300 301 ZFS_CANMOUNT_NOAUTO = 2
301 302 } zfs_canmount_type_t;
302 303
303 304 typedef enum {
304 305 ZFS_LOGBIAS_LATENCY = 0,
305 306 ZFS_LOGBIAS_THROUGHPUT = 1
306 307 } zfs_logbias_op_t;
307 308
308 309 typedef enum zfs_share_op {
309 310 ZFS_SHARE_NFS = 0,
310 311 ZFS_UNSHARE_NFS = 1,
311 312 ZFS_SHARE_SMB = 2,
312 313 ZFS_UNSHARE_SMB = 3
313 314 } zfs_share_op_t;
314 315
315 316 typedef enum zfs_smb_acl_op {
316 317 ZFS_SMB_ACL_ADD,
317 318 ZFS_SMB_ACL_REMOVE,
318 319 ZFS_SMB_ACL_RENAME,
319 320 ZFS_SMB_ACL_PURGE
320 321 } zfs_smb_acl_op_t;
321 322
322 323 typedef enum zfs_cache_type {
323 324 ZFS_CACHE_NONE = 0,
324 325 ZFS_CACHE_METADATA = 1,
325 326 ZFS_CACHE_ALL = 2
326 327 } zfs_cache_type_t;
327 328
328 329 typedef enum {
329 330 ZFS_SYNC_STANDARD = 0,
330 331 ZFS_SYNC_ALWAYS = 1,
331 332 ZFS_SYNC_DISABLED = 2
332 333 } zfs_sync_type_t;
333 334
334 335
335 336 /*
336 337 * On-disk version number.
337 338 */
338 339 #define SPA_VERSION_1 1ULL
339 340 #define SPA_VERSION_2 2ULL
340 341 #define SPA_VERSION_3 3ULL
341 342 #define SPA_VERSION_4 4ULL
342 343 #define SPA_VERSION_5 5ULL
343 344 #define SPA_VERSION_6 6ULL
344 345 #define SPA_VERSION_7 7ULL
345 346 #define SPA_VERSION_8 8ULL
346 347 #define SPA_VERSION_9 9ULL
347 348 #define SPA_VERSION_10 10ULL
348 349 #define SPA_VERSION_11 11ULL
349 350 #define SPA_VERSION_12 12ULL
350 351 #define SPA_VERSION_13 13ULL
351 352 #define SPA_VERSION_14 14ULL
352 353 #define SPA_VERSION_15 15ULL
353 354 #define SPA_VERSION_16 16ULL
354 355 #define SPA_VERSION_17 17ULL
355 356 #define SPA_VERSION_18 18ULL
356 357 #define SPA_VERSION_19 19ULL
357 358 #define SPA_VERSION_20 20ULL
358 359 #define SPA_VERSION_21 21ULL
359 360 #define SPA_VERSION_22 22ULL
360 361 #define SPA_VERSION_23 23ULL
361 362 #define SPA_VERSION_24 24ULL
362 363 #define SPA_VERSION_25 25ULL
363 364 #define SPA_VERSION_26 26ULL
364 365 #define SPA_VERSION_27 27ULL
365 366 #define SPA_VERSION_28 28ULL
366 367 #define SPA_VERSION_5000 5000ULL
367 368
368 369 /*
369 370 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
370 371 * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*},
371 372 * and do the appropriate changes. Also bump the version number in
372 373 * usr/src/grub/capability.
373 374 */
374 375 #define SPA_VERSION SPA_VERSION_5000
375 376 #define SPA_VERSION_STRING "5000"
376 377
377 378 /*
378 379 * Symbolic names for the changes that caused a SPA_VERSION switch.
379 380 * Used in the code when checking for presence or absence of a feature.
380 381 * Feel free to define multiple symbolic names for each version if there
381 382 * were multiple changes to on-disk structures during that version.
382 383 *
383 384 * NOTE: When checking the current SPA_VERSION in your code, be sure
384 385 * to use spa_version() since it reports the version of the
385 386 * last synced uberblock. Checking the in-flight version can
386 387 * be dangerous in some cases.
387 388 */
388 389 #define SPA_VERSION_INITIAL SPA_VERSION_1
389 390 #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2
390 391 #define SPA_VERSION_SPARES SPA_VERSION_3
391 392 #define SPA_VERSION_RAIDZ2 SPA_VERSION_3
392 393 #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3
393 394 #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3
394 395 #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3
395 396 #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4
396 397 #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5
397 398 #define SPA_VERSION_BOOTFS SPA_VERSION_6
398 399 #define SPA_VERSION_SLOGS SPA_VERSION_7
399 400 #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8
400 401 #define SPA_VERSION_FUID SPA_VERSION_9
401 402 #define SPA_VERSION_REFRESERVATION SPA_VERSION_9
402 403 #define SPA_VERSION_REFQUOTA SPA_VERSION_9
403 404 #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9
404 405 #define SPA_VERSION_L2CACHE SPA_VERSION_10
405 406 #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11
406 407 #define SPA_VERSION_ORIGIN SPA_VERSION_11
407 408 #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11
408 409 #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12
409 410 #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13
410 411 #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14
411 412 #define SPA_VERSION_USERSPACE SPA_VERSION_15
412 413 #define SPA_VERSION_STMF_PROP SPA_VERSION_16
413 414 #define SPA_VERSION_RAIDZ3 SPA_VERSION_17
414 415 #define SPA_VERSION_USERREFS SPA_VERSION_18
415 416 #define SPA_VERSION_HOLES SPA_VERSION_19
416 417 #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20
417 418 #define SPA_VERSION_DEDUP SPA_VERSION_21
418 419 #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22
419 420 #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23
420 421 #define SPA_VERSION_SA SPA_VERSION_24
421 422 #define SPA_VERSION_SCAN SPA_VERSION_25
422 423 #define SPA_VERSION_DIR_CLONES SPA_VERSION_26
423 424 #define SPA_VERSION_DEADLISTS SPA_VERSION_26
424 425 #define SPA_VERSION_FAST_SNAP SPA_VERSION_27
425 426 #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28
426 427 #define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28
427 428 #define SPA_VERSION_FEATURES SPA_VERSION_5000
428 429
429 430 #define SPA_VERSION_IS_SUPPORTED(v) \
430 431 (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \
431 432 ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION))
432 433
433 434 /*
434 435 * ZPL version - rev'd whenever an incompatible on-disk format change
435 436 * occurs. This is independent of SPA/DMU/ZAP versioning. You must
436 437 * also update the version_table[] and help message in zfs_prop.c.
437 438 *
438 439 * When changing, be sure to teach GRUB how to read the new format!
439 440 * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*}
440 441 */
441 442 #define ZPL_VERSION_1 1ULL
442 443 #define ZPL_VERSION_2 2ULL
443 444 #define ZPL_VERSION_3 3ULL
444 445 #define ZPL_VERSION_4 4ULL
445 446 #define ZPL_VERSION_5 5ULL
446 447 #define ZPL_VERSION ZPL_VERSION_5
447 448 #define ZPL_VERSION_STRING "5"
448 449
449 450 #define ZPL_VERSION_INITIAL ZPL_VERSION_1
450 451 #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2
451 452 #define ZPL_VERSION_FUID ZPL_VERSION_3
452 453 #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3
453 454 #define ZPL_VERSION_SYSATTR ZPL_VERSION_3
454 455 #define ZPL_VERSION_USERSPACE ZPL_VERSION_4
455 456 #define ZPL_VERSION_SA ZPL_VERSION_5
456 457
457 458 /* Rewind request information */
458 459 #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */
459 460 #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */
460 461 #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */
461 462 #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */
462 463 #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */
463 464 #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */
464 465 #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */
465 466
466 467 typedef struct zpool_rewind_policy {
467 468 uint32_t zrp_request; /* rewind behavior requested */
468 469 uint64_t zrp_maxmeta; /* max acceptable meta-data errors */
469 470 uint64_t zrp_maxdata; /* max acceptable data errors */
470 471 uint64_t zrp_txg; /* specific txg to load */
471 472 } zpool_rewind_policy_t;
472 473
473 474 /*
474 475 * The following are configuration names used in the nvlist describing a pool's
475 476 * configuration.
476 477 */
477 478 #define ZPOOL_CONFIG_VERSION "version"
478 479 #define ZPOOL_CONFIG_POOL_NAME "name"
479 480 #define ZPOOL_CONFIG_POOL_STATE "state"
480 481 #define ZPOOL_CONFIG_POOL_TXG "txg"
481 482 #define ZPOOL_CONFIG_POOL_GUID "pool_guid"
482 483 #define ZPOOL_CONFIG_CREATE_TXG "create_txg"
483 484 #define ZPOOL_CONFIG_TOP_GUID "top_guid"
484 485 #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree"
485 486 #define ZPOOL_CONFIG_TYPE "type"
486 487 #define ZPOOL_CONFIG_CHILDREN "children"
487 488 #define ZPOOL_CONFIG_ID "id"
488 489 #define ZPOOL_CONFIG_GUID "guid"
489 490 #define ZPOOL_CONFIG_PATH "path"
490 491 #define ZPOOL_CONFIG_DEVID "devid"
491 492 #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
492 493 #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
493 494 #define ZPOOL_CONFIG_ASHIFT "ashift"
494 495 #define ZPOOL_CONFIG_ASIZE "asize"
495 496 #define ZPOOL_CONFIG_DTL "DTL"
496 497 #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */
497 498 #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */
498 499 #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
499 500 #define ZPOOL_CONFIG_ERRCOUNT "error_count"
500 501 #define ZPOOL_CONFIG_NOT_PRESENT "not_present"
501 502 #define ZPOOL_CONFIG_SPARES "spares"
502 503 #define ZPOOL_CONFIG_IS_SPARE "is_spare"
503 504 #define ZPOOL_CONFIG_NPARITY "nparity"
504 505 #define ZPOOL_CONFIG_HOSTID "hostid"
505 506 #define ZPOOL_CONFIG_HOSTNAME "hostname"
506 507 #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time"
507 508 #define ZPOOL_CONFIG_UNSPARE "unspare"
508 509 #define ZPOOL_CONFIG_PHYS_PATH "phys_path"
509 510 #define ZPOOL_CONFIG_IS_LOG "is_log"
510 511 #define ZPOOL_CONFIG_L2CACHE "l2cache"
511 512 #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array"
512 513 #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children"
513 514 #define ZPOOL_CONFIG_IS_HOLE "is_hole"
514 515 #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram"
515 516 #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats"
516 517 #define ZPOOL_CONFIG_DDT_STATS "ddt_stats"
517 518 #define ZPOOL_CONFIG_SPLIT "splitcfg"
518 519 #define ZPOOL_CONFIG_ORIG_GUID "orig_guid"
519 520 #define ZPOOL_CONFIG_SPLIT_GUID "split_guid"
520 521 #define ZPOOL_CONFIG_SPLIT_LIST "guid_list"
521 522 #define ZPOOL_CONFIG_REMOVING "removing"
522 523 #define ZPOOL_CONFIG_RESILVERING "resilvering"
523 524 #define ZPOOL_CONFIG_COMMENT "comment"
524 525 #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */
525 526 #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */
526 527 #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */
527 528 #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */
528 529 #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */
529 530 #define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */
530 531 #define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */
531 532 #define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */
532 533 #define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */
533 534 #define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
534 535 #define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */
535 536 /*
536 537 * The persistent vdev state is stored as separate values rather than a single
537 538 * 'vdev_state' entry. This is because a device can be in multiple states, such
538 539 * as offline and degraded.
539 540 */
540 541 #define ZPOOL_CONFIG_OFFLINE "offline"
541 542 #define ZPOOL_CONFIG_FAULTED "faulted"
542 543 #define ZPOOL_CONFIG_DEGRADED "degraded"
543 544 #define ZPOOL_CONFIG_REMOVED "removed"
544 545 #define ZPOOL_CONFIG_FRU "fru"
545 546 #define ZPOOL_CONFIG_AUX_STATE "aux_state"
546 547
547 548 /* Rewind policy parameters */
548 549 #define ZPOOL_REWIND_POLICY "rewind-policy"
549 550 #define ZPOOL_REWIND_REQUEST "rewind-request"
550 551 #define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg"
551 552 #define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh"
552 553 #define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh"
553 554
554 555 /* Rewind data discovered */
555 556 #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts"
556 557 #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors"
557 558 #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind"
558 559
559 560 #define VDEV_TYPE_ROOT "root"
560 561 #define VDEV_TYPE_MIRROR "mirror"
561 562 #define VDEV_TYPE_REPLACING "replacing"
562 563 #define VDEV_TYPE_RAIDZ "raidz"
563 564 #define VDEV_TYPE_DISK "disk"
564 565 #define VDEV_TYPE_FILE "file"
565 566 #define VDEV_TYPE_MISSING "missing"
566 567 #define VDEV_TYPE_HOLE "hole"
567 568 #define VDEV_TYPE_SPARE "spare"
568 569 #define VDEV_TYPE_LOG "log"
569 570 #define VDEV_TYPE_L2CACHE "l2cache"
570 571
571 572 /*
572 573 * This is needed in userland to report the minimum necessary device size.
573 574 */
574 575 #define SPA_MINDEVSIZE (64ULL << 20)
575 576
576 577 /*
577 578 * The location of the pool configuration repository, shared between kernel and
578 579 * userland.
579 580 */
580 581 #define ZPOOL_CACHE "/etc/zfs/zpool.cache"
581 582
582 583 /*
583 584 * vdev states are ordered from least to most healthy.
584 585 * A vdev that's CANT_OPEN or below is considered unusable.
585 586 */
586 587 typedef enum vdev_state {
587 588 VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */
588 589 VDEV_STATE_CLOSED, /* Not currently open */
589 590 VDEV_STATE_OFFLINE, /* Not allowed to open */
590 591 VDEV_STATE_REMOVED, /* Explicitly removed from system */
591 592 VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */
592 593 VDEV_STATE_FAULTED, /* External request to fault device */
593 594 VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */
594 595 VDEV_STATE_HEALTHY /* Presumed good */
595 596 } vdev_state_t;
596 597
597 598 #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY
598 599
599 600 /*
600 601 * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field
601 602 * of the vdev stats structure uses these constants to distinguish why.
602 603 */
603 604 typedef enum vdev_aux {
604 605 VDEV_AUX_NONE, /* no error */
605 606 VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */
606 607 VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */
607 608 VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */
608 609 VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */
609 610 VDEV_AUX_TOO_SMALL, /* vdev size is too small */
610 611 VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */
611 612 VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */
612 613 VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */
613 614 VDEV_AUX_UNSUP_FEAT, /* unsupported features */
614 615 VDEV_AUX_SPARED, /* hot spare used in another pool */
615 616 VDEV_AUX_ERR_EXCEEDED, /* too many errors */
616 617 VDEV_AUX_IO_FAILURE, /* experienced I/O failure */
617 618 VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */
618 619 VDEV_AUX_EXTERNAL, /* external diagnosis */
619 620 VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */
620 621 } vdev_aux_t;
621 622
622 623 /*
623 624 * pool state. The following states are written to disk as part of the normal
624 625 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining
625 626 * states are software abstractions used at various levels to communicate
626 627 * pool state.
627 628 */
628 629 typedef enum pool_state {
629 630 POOL_STATE_ACTIVE = 0, /* In active use */
630 631 POOL_STATE_EXPORTED, /* Explicitly exported */
631 632 POOL_STATE_DESTROYED, /* Explicitly destroyed */
632 633 POOL_STATE_SPARE, /* Reserved for hot spare use */
633 634 POOL_STATE_L2CACHE, /* Level 2 ARC device */
634 635 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */
635 636 POOL_STATE_UNAVAIL, /* Internal libzfs state */
636 637 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
637 638 } pool_state_t;
638 639
639 640 /*
640 641 * Scan Functions.
641 642 */
642 643 typedef enum pool_scan_func {
643 644 POOL_SCAN_NONE,
644 645 POOL_SCAN_SCRUB,
645 646 POOL_SCAN_RESILVER,
646 647 POOL_SCAN_FUNCS
647 648 } pool_scan_func_t;
648 649
649 650 /*
650 651 * ZIO types. Needed to interpret vdev statistics below.
651 652 */
652 653 typedef enum zio_type {
653 654 ZIO_TYPE_NULL = 0,
654 655 ZIO_TYPE_READ,
655 656 ZIO_TYPE_WRITE,
656 657 ZIO_TYPE_FREE,
657 658 ZIO_TYPE_CLAIM,
658 659 ZIO_TYPE_IOCTL,
659 660 ZIO_TYPES
660 661 } zio_type_t;
661 662
662 663 /*
663 664 * Pool statistics. Note: all fields should be 64-bit because this
664 665 * is passed between kernel and userland as an nvlist uint64 array.
665 666 */
666 667 typedef struct pool_scan_stat {
667 668 /* values stored on disk */
668 669 uint64_t pss_func; /* pool_scan_func_t */
669 670 uint64_t pss_state; /* dsl_scan_state_t */
670 671 uint64_t pss_start_time; /* scan start time */
671 672 uint64_t pss_end_time; /* scan end time */
672 673 uint64_t pss_to_examine; /* total bytes to scan */
673 674 uint64_t pss_examined; /* total examined bytes */
674 675 uint64_t pss_to_process; /* total bytes to process */
675 676 uint64_t pss_processed; /* total processed bytes */
676 677 uint64_t pss_errors; /* scan errors */
677 678
678 679 /* values not stored on disk */
679 680 uint64_t pss_pass_exam; /* examined bytes per scan pass */
680 681 uint64_t pss_pass_start; /* start time of a scan pass */
681 682 } pool_scan_stat_t;
682 683
683 684 typedef enum dsl_scan_state {
684 685 DSS_NONE,
685 686 DSS_SCANNING,
686 687 DSS_FINISHED,
687 688 DSS_CANCELED,
688 689 DSS_NUM_STATES
689 690 } dsl_scan_state_t;
690 691
691 692
692 693 /*
693 694 * Vdev statistics. Note: all fields should be 64-bit because this
694 695 * is passed between kernel and userland as an nvlist uint64 array.
695 696 */
696 697 typedef struct vdev_stat {
697 698 hrtime_t vs_timestamp; /* time since vdev load */
698 699 uint64_t vs_state; /* vdev state */
699 700 uint64_t vs_aux; /* see vdev_aux_t */
700 701 uint64_t vs_alloc; /* space allocated */
701 702 uint64_t vs_space; /* total capacity */
702 703 uint64_t vs_dspace; /* deflated capacity */
703 704 uint64_t vs_rsize; /* replaceable dev size */
704 705 uint64_t vs_esize; /* expandable dev size */
705 706 uint64_t vs_ops[ZIO_TYPES]; /* operation count */
706 707 uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */
707 708 uint64_t vs_read_errors; /* read errors */
708 709 uint64_t vs_write_errors; /* write errors */
709 710 uint64_t vs_checksum_errors; /* checksum errors */
710 711 uint64_t vs_self_healed; /* self-healed bytes */
711 712 uint64_t vs_scan_removing; /* removing? */
712 713 uint64_t vs_scan_processed; /* scan processed bytes */
713 714 } vdev_stat_t;
714 715
715 716 /*
716 717 * DDT statistics. Note: all fields should be 64-bit because this
717 718 * is passed between kernel and userland as an nvlist uint64 array.
718 719 */
719 720 typedef struct ddt_object {
720 721 uint64_t ddo_count; /* number of elments in ddt */
721 722 uint64_t ddo_dspace; /* size of ddt on disk */
722 723 uint64_t ddo_mspace; /* size of ddt in-core */
723 724 } ddt_object_t;
724 725
725 726 typedef struct ddt_stat {
726 727 uint64_t dds_blocks; /* blocks */
727 728 uint64_t dds_lsize; /* logical size */
728 729 uint64_t dds_psize; /* physical size */
729 730 uint64_t dds_dsize; /* deflated allocated size */
730 731 uint64_t dds_ref_blocks; /* referenced blocks */
731 732 uint64_t dds_ref_lsize; /* referenced lsize * refcnt */
732 733 uint64_t dds_ref_psize; /* referenced psize * refcnt */
733 734 uint64_t dds_ref_dsize; /* referenced dsize * refcnt */
734 735 } ddt_stat_t;
735 736
736 737 typedef struct ddt_histogram {
737 738 ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */
738 739 } ddt_histogram_t;
739 740
740 741 #define ZVOL_DRIVER "zvol"
741 742 #define ZFS_DRIVER "zfs"
742 743 #define ZFS_DEV "/dev/zfs"
743 744
744 745 /* general zvol path */
745 746 #define ZVOL_DIR "/dev/zvol"
746 747 /* expansion */
747 748 #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:"
748 749 /* for dump and swap */
749 750 #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/"
750 751 #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/"
751 752
752 753 #define ZVOL_PROP_NAME "name"
753 754 #define ZVOL_DEFAULT_BLOCKSIZE 8192
754 755
755 756 /*
756 757 * /dev/zfs ioctl numbers.
757 758 */
758 759 typedef enum zfs_ioc {
759 760 ZFS_IOC_FIRST = ('Z' << 8),
760 761 ZFS_IOC = ZFS_IOC_FIRST,
761 762 ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST,
762 763 ZFS_IOC_POOL_DESTROY,
763 764 ZFS_IOC_POOL_IMPORT,
764 765 ZFS_IOC_POOL_EXPORT,
765 766 ZFS_IOC_POOL_CONFIGS,
766 767 ZFS_IOC_POOL_STATS,
767 768 ZFS_IOC_POOL_TRYIMPORT,
768 769 ZFS_IOC_POOL_SCAN,
769 770 ZFS_IOC_POOL_FREEZE,
770 771 ZFS_IOC_POOL_UPGRADE,
771 772 ZFS_IOC_POOL_GET_HISTORY,
772 773 ZFS_IOC_VDEV_ADD,
773 774 ZFS_IOC_VDEV_REMOVE,
774 775 ZFS_IOC_VDEV_SET_STATE,
775 776 ZFS_IOC_VDEV_ATTACH,
776 777 ZFS_IOC_VDEV_DETACH,
777 778 ZFS_IOC_VDEV_SETPATH,
778 779 ZFS_IOC_VDEV_SETFRU,
779 780 ZFS_IOC_OBJSET_STATS,
780 781 ZFS_IOC_OBJSET_ZPLPROPS,
781 782 ZFS_IOC_DATASET_LIST_NEXT,
782 783 ZFS_IOC_SNAPSHOT_LIST_NEXT,
783 784 ZFS_IOC_SET_PROP,
784 785 ZFS_IOC_CREATE,
785 786 ZFS_IOC_DESTROY,
786 787 ZFS_IOC_ROLLBACK,
787 788 ZFS_IOC_RENAME,
788 789 ZFS_IOC_RECV,
789 790 ZFS_IOC_SEND,
790 791 ZFS_IOC_INJECT_FAULT,
791 792 ZFS_IOC_CLEAR_FAULT,
792 793 ZFS_IOC_INJECT_LIST_NEXT,
793 794 ZFS_IOC_ERROR_LOG,
794 795 ZFS_IOC_CLEAR,
795 796 ZFS_IOC_PROMOTE,
796 797 ZFS_IOC_SNAPSHOT,
797 798 ZFS_IOC_DSOBJ_TO_DSNAME,
798 799 ZFS_IOC_OBJ_TO_PATH,
799 800 ZFS_IOC_POOL_SET_PROPS,
800 801 ZFS_IOC_POOL_GET_PROPS,
801 802 ZFS_IOC_SET_FSACL,
802 803 ZFS_IOC_GET_FSACL,
803 804 ZFS_IOC_SHARE,
804 805 ZFS_IOC_INHERIT_PROP,
805 806 ZFS_IOC_SMB_ACL,
806 807 ZFS_IOC_USERSPACE_ONE,
807 808 ZFS_IOC_USERSPACE_MANY,
808 809 ZFS_IOC_USERSPACE_UPGRADE,
809 810 ZFS_IOC_HOLD,
810 811 ZFS_IOC_RELEASE,
811 812 ZFS_IOC_GET_HOLDS,
812 813 ZFS_IOC_OBJSET_RECVD_PROPS,
813 814 ZFS_IOC_VDEV_SPLIT,
814 815 ZFS_IOC_NEXT_OBJ,
815 816 ZFS_IOC_DIFF,
816 817 ZFS_IOC_TMP_SNAPSHOT,
817 818 ZFS_IOC_OBJ_TO_STATS,
818 819 ZFS_IOC_SPACE_WRITTEN,
819 820 ZFS_IOC_SPACE_SNAPS,
820 821 ZFS_IOC_DESTROY_SNAPS,
821 822 ZFS_IOC_POOL_REGUID,
822 823 ZFS_IOC_POOL_REOPEN,
823 824 ZFS_IOC_SEND_PROGRESS,
824 825 ZFS_IOC_LOG_HISTORY,
825 826 ZFS_IOC_SEND_NEW,
826 827 ZFS_IOC_SEND_SPACE,
827 828 ZFS_IOC_CLONE,
828 829 ZFS_IOC_LAST
829 830 } zfs_ioc_t;
830 831
831 832 /*
832 833 * Internal SPA load state. Used by FMA diagnosis engine.
833 834 */
834 835 typedef enum {
835 836 SPA_LOAD_NONE, /* no load in progress */
836 837 SPA_LOAD_OPEN, /* normal open */
837 838 SPA_LOAD_IMPORT, /* import in progress */
838 839 SPA_LOAD_TRYIMPORT, /* tryimport in progress */
839 840 SPA_LOAD_RECOVER, /* recovery requested */
840 841 SPA_LOAD_ERROR /* load failed */
841 842 } spa_load_state_t;
842 843
843 844 /*
844 845 * Bookmark name values.
845 846 */
846 847 #define ZPOOL_ERR_LIST "error list"
847 848 #define ZPOOL_ERR_DATASET "dataset"
848 849 #define ZPOOL_ERR_OBJECT "object"
849 850
850 851 #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1)
851 852
852 853 /*
853 854 * The following are names used in the nvlist describing
854 855 * the pool's history log.
855 856 */
856 857 #define ZPOOL_HIST_RECORD "history record"
857 858 #define ZPOOL_HIST_TIME "history time"
858 859 #define ZPOOL_HIST_CMD "history command"
859 860 #define ZPOOL_HIST_WHO "history who"
860 861 #define ZPOOL_HIST_ZONE "history zone"
861 862 #define ZPOOL_HIST_HOST "history hostname"
862 863 #define ZPOOL_HIST_TXG "history txg"
863 864 #define ZPOOL_HIST_INT_EVENT "history internal event"
864 865 #define ZPOOL_HIST_INT_STR "history internal str"
865 866 #define ZPOOL_HIST_INT_NAME "internal_name"
866 867 #define ZPOOL_HIST_IOCTL "ioctl"
867 868 #define ZPOOL_HIST_INPUT_NVL "in_nvl"
868 869 #define ZPOOL_HIST_OUTPUT_NVL "out_nvl"
869 870 #define ZPOOL_HIST_DSNAME "dsname"
870 871 #define ZPOOL_HIST_DSID "dsid"
871 872
872 873 /*
873 874 * Flags for ZFS_IOC_VDEV_SET_STATE
874 875 */
875 876 #define ZFS_ONLINE_CHECKREMOVE 0x1
876 877 #define ZFS_ONLINE_UNSPARE 0x2
877 878 #define ZFS_ONLINE_FORCEFAULT 0x4
878 879 #define ZFS_ONLINE_EXPAND 0x8
879 880 #define ZFS_OFFLINE_TEMPORARY 0x1
880 881
881 882 /*
882 883 * Flags for ZFS_IOC_POOL_IMPORT
883 884 */
884 885 #define ZFS_IMPORT_NORMAL 0x0
885 886 #define ZFS_IMPORT_VERBATIM 0x1
886 887 #define ZFS_IMPORT_ANY_HOST 0x2
887 888 #define ZFS_IMPORT_MISSING_LOG 0x4
888 889 #define ZFS_IMPORT_ONLY 0x8
889 890
890 891 /*
891 892 * Sysevent payload members. ZFS will generate the following sysevents with the
892 893 * given payloads:
893 894 *
894 895 * ESC_ZFS_RESILVER_START
895 896 * ESC_ZFS_RESILVER_END
896 897 * ESC_ZFS_POOL_DESTROY
897 898 * ESC_ZFS_POOL_REGUID
898 899 *
899 900 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
900 901 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
901 902 *
902 903 * ESC_ZFS_VDEV_REMOVE
903 904 * ESC_ZFS_VDEV_CLEAR
904 905 * ESC_ZFS_VDEV_CHECK
905 906 *
906 907 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
907 908 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
908 909 * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional)
909 910 * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64
910 911 */
911 912 #define ZFS_EV_POOL_NAME "pool_name"
912 913 #define ZFS_EV_POOL_GUID "pool_guid"
913 914 #define ZFS_EV_VDEV_PATH "vdev_path"
914 915 #define ZFS_EV_VDEV_GUID "vdev_guid"
915 916
916 917 #ifdef __cplusplus
917 918 }
918 919 #endif
919 920
920 921 #endif /* _SYS_FS_ZFS_H */
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