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usr/src/cmd/zpool/zpool_util.c
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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.
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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) 2011, 2016 by Delphix. All rights reserved.
25 - * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
25 + * Copyright 2018 Nexenta Systems, Inc. All rights reserved.
26 + * Copyright (c) 2013, Saso Kiselkov. All rights reserved.
26 27 * Copyright (c) 2014 Integros [integros.com]
27 28 * Copyright 2017 Joyent, Inc.
28 29 * Copyright (c) 2017 Datto Inc.
29 30 */
30 31
31 32 /* Portions Copyright 2010 Robert Milkowski */
32 33
33 34 #ifndef _SYS_FS_ZFS_H
34 35 #define _SYS_FS_ZFS_H
35 36
36 37 #include <sys/time.h>
37 38
38 39 #ifdef __cplusplus
39 40 extern "C" {
40 41 #endif
41 42
42 43 /*
43 44 * Types and constants shared between userland and the kernel.
44 45 */
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45 46
46 47 /*
47 48 * Each dataset can be one of the following types. These constants can be
48 49 * combined into masks that can be passed to various functions.
49 50 */
50 51 typedef enum {
51 52 ZFS_TYPE_FILESYSTEM = (1 << 0),
52 53 ZFS_TYPE_SNAPSHOT = (1 << 1),
53 54 ZFS_TYPE_VOLUME = (1 << 2),
54 55 ZFS_TYPE_POOL = (1 << 3),
55 - ZFS_TYPE_BOOKMARK = (1 << 4)
56 + ZFS_TYPE_BOOKMARK = (1 << 4),
57 + ZFS_TYPE_VDEV = (1 << 5),
58 + ZFS_TYPE_COS = (1 << 6),
59 + ZFS_TYPE_AUTOSNAP = (1 << 7)
56 60 } zfs_type_t;
57 61
58 62 /*
59 63 * NB: lzc_dataset_type should be updated whenever a new objset type is added,
60 64 * if it represents a real type of a dataset that can be created from userland.
61 65 */
62 66 typedef enum dmu_objset_type {
63 67 DMU_OST_NONE,
64 68 DMU_OST_META,
65 69 DMU_OST_ZFS,
66 70 DMU_OST_ZVOL,
67 71 DMU_OST_OTHER, /* For testing only! */
68 72 DMU_OST_ANY, /* Be careful! */
69 73 DMU_OST_NUMTYPES
70 74 } dmu_objset_type_t;
71 75
72 76 #define ZFS_TYPE_DATASET \
73 - (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
77 + (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME |\
78 + ZFS_TYPE_SNAPSHOT | ZFS_TYPE_AUTOSNAP)
74 79
75 80 /*
76 81 * All of these include the terminating NUL byte.
77 82 */
78 83 #define ZAP_MAXNAMELEN 256
79 84 #define ZAP_MAXVALUELEN (1024 * 8)
80 85 #define ZAP_OLDMAXVALUELEN 1024
81 86 #define ZFS_MAX_DATASET_NAME_LEN 256
82 87
83 88 /*
84 89 * Dataset properties are identified by these constants and must be added to
85 90 * the end of this list to ensure that external consumers are not affected
86 91 * by the change. If you make any changes to this list, be sure to update
87 92 * the property table in usr/src/common/zfs/zfs_prop.c.
88 93 */
89 94 typedef enum {
90 - ZPROP_CONT = -2,
91 - ZPROP_INVAL = -1,
95 + ZFS_PROP_BAD = -1,
92 96 ZFS_PROP_TYPE = 0,
93 97 ZFS_PROP_CREATION,
94 98 ZFS_PROP_USED,
95 99 ZFS_PROP_AVAILABLE,
96 100 ZFS_PROP_REFERENCED,
97 101 ZFS_PROP_COMPRESSRATIO,
98 102 ZFS_PROP_MOUNTED,
99 103 ZFS_PROP_ORIGIN,
100 104 ZFS_PROP_QUOTA,
101 105 ZFS_PROP_RESERVATION,
102 106 ZFS_PROP_VOLSIZE,
103 107 ZFS_PROP_VOLBLOCKSIZE,
104 108 ZFS_PROP_RECORDSIZE,
105 109 ZFS_PROP_MOUNTPOINT,
106 110 ZFS_PROP_SHARENFS,
107 111 ZFS_PROP_CHECKSUM,
108 112 ZFS_PROP_COMPRESSION,
109 113 ZFS_PROP_ATIME,
110 114 ZFS_PROP_DEVICES,
111 115 ZFS_PROP_EXEC,
112 116 ZFS_PROP_SETUID,
113 117 ZFS_PROP_READONLY,
114 118 ZFS_PROP_ZONED,
115 119 ZFS_PROP_SNAPDIR,
116 120 ZFS_PROP_ACLMODE,
117 121 ZFS_PROP_ACLINHERIT,
118 122 ZFS_PROP_CREATETXG, /* not exposed to the user */
119 123 ZFS_PROP_NAME, /* not exposed to the user */
120 124 ZFS_PROP_CANMOUNT,
121 125 ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */
122 126 ZFS_PROP_XATTR,
123 127 ZFS_PROP_NUMCLONES, /* not exposed to the user */
124 128 ZFS_PROP_COPIES,
125 129 ZFS_PROP_VERSION,
126 130 ZFS_PROP_UTF8ONLY,
127 131 ZFS_PROP_NORMALIZE,
128 132 ZFS_PROP_CASE,
129 133 ZFS_PROP_VSCAN,
130 134 ZFS_PROP_NBMAND,
131 135 ZFS_PROP_SHARESMB,
132 136 ZFS_PROP_REFQUOTA,
133 137 ZFS_PROP_REFRESERVATION,
134 138 ZFS_PROP_GUID,
135 139 ZFS_PROP_PRIMARYCACHE,
136 140 ZFS_PROP_SECONDARYCACHE,
137 141 ZFS_PROP_USEDSNAP,
138 142 ZFS_PROP_USEDDS,
139 143 ZFS_PROP_USEDCHILD,
140 144 ZFS_PROP_USEDREFRESERV,
141 145 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */
142 146 ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */
143 147 ZFS_PROP_DEFER_DESTROY,
144 148 ZFS_PROP_USERREFS,
145 149 ZFS_PROP_LOGBIAS,
146 150 ZFS_PROP_UNIQUE, /* not exposed to the user */
147 151 ZFS_PROP_OBJSETID, /* not exposed to the user */
148 152 ZFS_PROP_DEDUP,
149 153 ZFS_PROP_MLSLABEL,
150 154 ZFS_PROP_SYNC,
151 155 ZFS_PROP_REFRATIO,
152 156 ZFS_PROP_WRITTEN,
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153 157 ZFS_PROP_CLONES,
154 158 ZFS_PROP_LOGICALUSED,
155 159 ZFS_PROP_LOGICALREFERENCED,
156 160 ZFS_PROP_INCONSISTENT, /* not exposed to the user */
157 161 ZFS_PROP_FILESYSTEM_LIMIT,
158 162 ZFS_PROP_SNAPSHOT_LIMIT,
159 163 ZFS_PROP_FILESYSTEM_COUNT,
160 164 ZFS_PROP_SNAPSHOT_COUNT,
161 165 ZFS_PROP_REDUNDANT_METADATA,
162 166 ZFS_PROP_PREV_SNAP,
167 + ZFS_PROP_LSTXG,
168 + ZFS_PROP_ZPL_META_TO_METADEV,
169 + ZFS_PROP_WBC_MODE,
163 170 ZFS_PROP_RECEIVE_RESUME_TOKEN,
164 - ZFS_PROP_REMAPTXG, /* not exposed to the user */
171 + ZFS_PROP_SMARTCOMPRESSION,
172 + ZFS_PROP_RATE_LIMIT,
173 + ZFS_PROP_MODIFIED,
165 174 ZFS_NUM_PROPS
166 175 } zfs_prop_t;
167 176
168 177 typedef enum {
169 178 ZFS_PROP_USERUSED,
170 179 ZFS_PROP_USERQUOTA,
171 180 ZFS_PROP_GROUPUSED,
172 181 ZFS_PROP_GROUPQUOTA,
173 182 ZFS_NUM_USERQUOTA_PROPS
174 183 } zfs_userquota_prop_t;
175 184
176 185 extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
177 186
178 187 /*
179 188 * Pool properties are identified by these constants and must be added to the
180 189 * end of this list to ensure that external consumers are not affected
181 190 * by the change. If you make any changes to this list, be sure to update
182 191 * the property table in usr/src/common/zfs/zpool_prop.c.
192 + *
193 + * NOTE: When either adding or changing a feature make sure
194 + * to update the zfs-tests zpool_get configuration file
195 + * at usr/src/test/zfs-tests/tests/functional/cli_root/zpool_get/zpool_get.cfg
183 196 */
184 197 typedef enum {
185 - ZPOOL_PROP_INVAL = -1,
186 198 ZPOOL_PROP_NAME,
187 199 ZPOOL_PROP_SIZE,
188 200 ZPOOL_PROP_CAPACITY,
189 201 ZPOOL_PROP_ALTROOT,
190 202 ZPOOL_PROP_HEALTH,
191 203 ZPOOL_PROP_GUID,
192 204 ZPOOL_PROP_VERSION,
193 205 ZPOOL_PROP_BOOTFS,
194 206 ZPOOL_PROP_DELEGATION,
195 207 ZPOOL_PROP_AUTOREPLACE,
196 208 ZPOOL_PROP_CACHEFILE,
197 209 ZPOOL_PROP_FAILUREMODE,
198 210 ZPOOL_PROP_LISTSNAPS,
199 211 ZPOOL_PROP_AUTOEXPAND,
200 212 ZPOOL_PROP_DEDUPDITTO,
201 213 ZPOOL_PROP_DEDUPRATIO,
214 + ZPOOL_PROP_DDTCAPPED,
202 215 ZPOOL_PROP_FREE,
203 216 ZPOOL_PROP_ALLOCATED,
204 217 ZPOOL_PROP_READONLY,
205 218 ZPOOL_PROP_COMMENT,
206 219 ZPOOL_PROP_EXPANDSZ,
207 220 ZPOOL_PROP_FREEING,
208 221 ZPOOL_PROP_FRAGMENTATION,
209 222 ZPOOL_PROP_LEAKED,
210 223 ZPOOL_PROP_MAXBLOCKSIZE,
224 + ZPOOL_PROP_ENABLESPECIAL,
225 + ZPOOL_PROP_LOWATERMARK,
226 + ZPOOL_PROP_HIWATERMARK,
227 + ZPOOL_PROP_DEDUPMETA_DITTO,
228 + ZPOOL_PROP_DDT_DESEGREGATION,
229 + ZPOOL_PROP_META_PLACEMENT,
230 + ZPOOL_PROP_DDT_META_TO_METADEV,
231 + ZPOOL_PROP_ZFS_META_TO_METADEV,
232 + ZPOOL_PROP_DEDUP_BEST_EFFORT,
233 + ZPOOL_PROP_DEDUP_LO_BEST_EFFORT,
234 + ZPOOL_PROP_DEDUP_HI_BEST_EFFORT,
235 + ZPOOL_PROP_FORCETRIM,
236 + ZPOOL_PROP_AUTOTRIM,
237 + ZPOOL_PROP_SMALL_DATA_TO_METADEV,
238 + ZPOOL_PROP_MINWATERMARK,
239 + ZPOOL_PROP_SYNC_TO_SPECIAL,
211 240 ZPOOL_PROP_BOOTSIZE,
241 + ZPOOL_PROP_SCRUB_PRIO,
242 + ZPOOL_PROP_RESILVER_PRIO,
212 243 ZPOOL_NUM_PROPS
213 244 } zpool_prop_t;
214 245
246 +/*
247 + * Note: it is important to keep min/max active properties together in the
248 + * same order as the corresponding zio_priority_t definitions as this order
249 + * is relied upon when processing in loops. See vdev_impl.h for the set of
250 + * macros that rely on this dependency.
251 + * Also path must be the first entry in the enum as loops use it as a starting
252 + * index.
253 + */
254 +typedef enum vdev_prop {
255 + VDEV_PROP_PATH,
256 + VDEV_PROP_FRU,
257 + /* minactive props for queue classes */
258 + VDEV_PROP_READ_MINACTIVE,
259 + VDEV_PROP_AREAD_MINACTIVE,
260 + VDEV_PROP_WRITE_MINACTIVE,
261 + VDEV_PROP_AWRITE_MINACTIVE,
262 + VDEV_PROP_RESILVER_MINACTIVE,
263 + VDEV_PROP_SCRUB_MINACTIVE,
264 + /* maxactive props for queue classes */
265 + VDEV_PROP_READ_MAXACTIVE,
266 + VDEV_PROP_AREAD_MAXACTIVE,
267 + VDEV_PROP_WRITE_MAXACTIVE,
268 + VDEV_PROP_AWRITE_MAXACTIVE,
269 + VDEV_PROP_RESILVER_MAXACTIVE,
270 + VDEV_PROP_SCRUB_MAXACTIVE,
271 + VDEV_PROP_PREFERRED_READ,
272 + VDEV_PROP_COS,
273 + VDEV_PROP_SPAREGROUP,
274 + VDEV_PROP_L2ADDDT,
275 + VDEV_PROP_GUID,
276 + VDEV_NUM_PROPS
277 +} vdev_prop_t;
278 +
279 +/*
280 + * Note: it is important to keep min/max active properties together in the
281 + * same order as the corresponding zio_priority_t definitions as this order
282 + * is relied upon when processing in loops. See cos.h for the set of
283 + * macros that rely on this dependency.
284 + */
285 +typedef enum cos_prop {
286 + COS_PROP_GUID,
287 + /* user-defined cos name */
288 + COS_PROP_NAME,
289 + /* IO tunables */
290 + /* minactive props for queue classes */
291 + COS_PROP_READ_MINACTIVE,
292 + COS_PROP_AREAD_MINACTIVE,
293 + COS_PROP_WRITE_MINACTIVE,
294 + COS_PROP_AWRITE_MINACTIVE,
295 + COS_PROP_RESILVER_MINACTIVE,
296 + COS_PROP_SCRUB_MINACTIVE,
297 + /* maxactive props for queue classes */
298 + COS_PROP_READ_MAXACTIVE,
299 + COS_PROP_AREAD_MAXACTIVE,
300 + COS_PROP_WRITE_MAXACTIVE,
301 + COS_PROP_AWRITE_MAXACTIVE,
302 + COS_PROP_RESILVER_MAXACTIVE,
303 + COS_PROP_SCRUB_MAXACTIVE,
304 + /* preference for read in mirror configurations */
305 + COS_PROP_PREFERRED_READ,
306 + COS_NUM_PROPS
307 +} cos_prop_t;
308 +
215 309 /* Small enough to not hog a whole line of printout in zpool(1M). */
216 310 #define ZPROP_MAX_COMMENT 32
217 311
312 +#define ZPROP_CONT -2
313 +#define ZPROP_INVAL -1
314 +
218 315 #define ZPROP_VALUE "value"
219 316 #define ZPROP_SOURCE "source"
220 317
221 318 typedef enum {
222 319 ZPROP_SRC_NONE = 0x1,
223 320 ZPROP_SRC_DEFAULT = 0x2,
224 321 ZPROP_SRC_TEMPORARY = 0x4,
225 322 ZPROP_SRC_LOCAL = 0x8,
226 323 ZPROP_SRC_INHERITED = 0x10,
227 324 ZPROP_SRC_RECEIVED = 0x20
228 325 } zprop_source_t;
229 326
230 327 #define ZPROP_SRC_ALL 0x3f
231 328
232 329 #define ZPROP_SOURCE_VAL_RECVD "$recvd"
233 330 #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS"
234 331 /*
235 332 * Dataset flag implemented as a special entry in the props zap object
236 333 * indicating that the dataset has received properties on or after
237 334 * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties
238 335 * just as it did in earlier versions, and thereafter, local properties are
239 336 * preserved.
240 337 */
241 338 #define ZPROP_HAS_RECVD "$hasrecvd"
242 339
243 340 typedef enum {
244 341 ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */
245 342 ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */
246 343 } zprop_errflags_t;
247 344
248 345 typedef int (*zprop_func)(int, void *);
249 346
250 347 /*
251 348 * Properties to be set on the root file system of a new pool
252 349 * are stuffed into their own nvlist, which is then included in
253 350 * the properties nvlist with the pool properties.
254 351 */
255 352 #define ZPOOL_ROOTFS_PROPS "root-props-nvl"
256 353
257 354 /*
258 355 * Length of 'written@' and 'written#'
259 356 */
260 357 #define ZFS_WRITTEN_PROP_PREFIX_LEN 8
261 358
262 359 /*
263 360 * Dataset property functions shared between libzfs and kernel.
264 361 */
265 362 const char *zfs_prop_default_string(zfs_prop_t);
266 363 uint64_t zfs_prop_default_numeric(zfs_prop_t);
267 364 boolean_t zfs_prop_readonly(zfs_prop_t);
268 365 boolean_t zfs_prop_visible(zfs_prop_t prop);
269 366 boolean_t zfs_prop_inheritable(zfs_prop_t);
270 367 boolean_t zfs_prop_setonce(zfs_prop_t);
271 368 const char *zfs_prop_to_name(zfs_prop_t);
272 369 zfs_prop_t zfs_name_to_prop(const char *);
273 370 boolean_t zfs_prop_user(const char *);
274 371 boolean_t zfs_prop_userquota(const char *);
275 372 boolean_t zfs_prop_written(const char *);
276 373 int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
277 374 int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
278 375 uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
279 376 boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
280 377
281 378 /*
282 379 * Pool property functions shared between libzfs and kernel.
283 380 */
284 381 zpool_prop_t zpool_name_to_prop(const char *);
285 382 const char *zpool_prop_to_name(zpool_prop_t);
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286 383 const char *zpool_prop_default_string(zpool_prop_t);
287 384 uint64_t zpool_prop_default_numeric(zpool_prop_t);
288 385 boolean_t zpool_prop_readonly(zpool_prop_t);
289 386 boolean_t zpool_prop_feature(const char *);
290 387 boolean_t zpool_prop_unsupported(const char *name);
291 388 int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **);
292 389 int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *);
293 390 uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
294 391
295 392 /*
393 + * Vdev property functions shared between libzfs and kernel.
394 + */
395 +vdev_prop_t vdev_name_to_prop(const char *);
396 +const char *vdev_prop_to_name(vdev_prop_t);
397 +const char *vdev_prop_default_string(vdev_prop_t);
398 +uint64_t vdev_prop_default_numeric(vdev_prop_t);
399 +boolean_t vdev_prop_readonly(vdev_prop_t);
400 +int vdev_prop_index_to_string(vdev_prop_t, uint64_t, const char **);
401 +int vdev_prop_string_to_index(vdev_prop_t, const char *, uint64_t *);
402 +uint64_t vdev_prop_random_value(vdev_prop_t, uint64_t seed);
403 +
404 +/*
405 + * COS property functions shared between libzfs and kernel.
406 + */
407 +cos_prop_t cos_name_to_prop(const char *);
408 +const char *cos_prop_to_name(cos_prop_t);
409 +const char *cos_prop_default_string(cos_prop_t);
410 +uint64_t cos_prop_default_numeric(cos_prop_t);
411 +boolean_t cos_prop_readonly(cos_prop_t);
412 +int cos_prop_index_to_string(cos_prop_t, uint64_t, const char **);
413 +int cos_prop_string_to_index(cos_prop_t, const char *, uint64_t *);
414 +uint64_t cos_prop_random_value(cos_prop_t, uint64_t seed);
415 +
416 +#define MAXCOSNAMELEN (64)
417 +/*
296 418 * Definitions for the Delegation.
297 419 */
298 420 typedef enum {
299 421 ZFS_DELEG_WHO_UNKNOWN = 0,
300 422 ZFS_DELEG_USER = 'u',
301 423 ZFS_DELEG_USER_SETS = 'U',
302 424 ZFS_DELEG_GROUP = 'g',
303 425 ZFS_DELEG_GROUP_SETS = 'G',
304 426 ZFS_DELEG_EVERYONE = 'e',
305 427 ZFS_DELEG_EVERYONE_SETS = 'E',
306 428 ZFS_DELEG_CREATE = 'c',
307 429 ZFS_DELEG_CREATE_SETS = 'C',
308 430 ZFS_DELEG_NAMED_SET = 's',
309 431 ZFS_DELEG_NAMED_SET_SETS = 'S'
310 432 } zfs_deleg_who_type_t;
311 433
312 434 typedef enum {
313 435 ZFS_DELEG_NONE = 0,
314 436 ZFS_DELEG_PERM_LOCAL = 1,
315 437 ZFS_DELEG_PERM_DESCENDENT = 2,
316 438 ZFS_DELEG_PERM_LOCALDESCENDENT = 3,
317 439 ZFS_DELEG_PERM_CREATE = 4
318 440 } zfs_deleg_inherit_t;
319 441
320 442 #define ZFS_DELEG_PERM_UID "uid"
321 443 #define ZFS_DELEG_PERM_GID "gid"
322 444 #define ZFS_DELEG_PERM_GROUPS "groups"
323 445
324 446 #define ZFS_MLSLABEL_DEFAULT "none"
325 447
326 448 #define ZFS_SMB_ACL_SRC "src"
327 449 #define ZFS_SMB_ACL_TARGET "target"
328 450
329 451 typedef enum {
330 452 ZFS_CANMOUNT_OFF = 0,
331 453 ZFS_CANMOUNT_ON = 1,
332 454 ZFS_CANMOUNT_NOAUTO = 2
333 455 } zfs_canmount_type_t;
334 456
335 457 typedef enum {
336 458 ZFS_LOGBIAS_LATENCY = 0,
337 459 ZFS_LOGBIAS_THROUGHPUT = 1
338 460 } zfs_logbias_op_t;
339 461
340 462 typedef enum zfs_share_op {
341 463 ZFS_SHARE_NFS = 0,
342 464 ZFS_UNSHARE_NFS = 1,
343 465 ZFS_SHARE_SMB = 2,
344 466 ZFS_UNSHARE_SMB = 3
345 467 } zfs_share_op_t;
346 468
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347 469 typedef enum zfs_smb_acl_op {
348 470 ZFS_SMB_ACL_ADD,
349 471 ZFS_SMB_ACL_REMOVE,
350 472 ZFS_SMB_ACL_RENAME,
351 473 ZFS_SMB_ACL_PURGE
352 474 } zfs_smb_acl_op_t;
353 475
354 476 typedef enum zfs_cache_type {
355 477 ZFS_CACHE_NONE = 0,
356 478 ZFS_CACHE_METADATA = 1,
357 - ZFS_CACHE_ALL = 2
479 + ZFS_CACHE_ALL = 2,
480 + ZFS_CACHE_DATA = 3
358 481 } zfs_cache_type_t;
359 482
360 483 typedef enum {
361 484 ZFS_SYNC_STANDARD = 0,
362 485 ZFS_SYNC_ALWAYS = 1,
363 486 ZFS_SYNC_DISABLED = 2
364 487 } zfs_sync_type_t;
365 488
366 489 typedef enum {
367 490 ZFS_REDUNDANT_METADATA_ALL,
368 491 ZFS_REDUNDANT_METADATA_MOST
369 492 } zfs_redundant_metadata_type_t;
370 493
494 +typedef enum {
495 + ZFS_WBC_MODE_OFF,
496 + ZFS_WBC_MODE_ON,
497 + ZFS_WBC_MODE_OFF_DELAYED
498 +} zfs_wbc_mode_t;
499 +
371 500 /*
372 501 * On-disk version number.
373 502 */
374 503 #define SPA_VERSION_1 1ULL
375 504 #define SPA_VERSION_2 2ULL
376 505 #define SPA_VERSION_3 3ULL
377 506 #define SPA_VERSION_4 4ULL
378 507 #define SPA_VERSION_5 5ULL
379 508 #define SPA_VERSION_6 6ULL
380 509 #define SPA_VERSION_7 7ULL
381 510 #define SPA_VERSION_8 8ULL
382 511 #define SPA_VERSION_9 9ULL
383 512 #define SPA_VERSION_10 10ULL
384 513 #define SPA_VERSION_11 11ULL
385 514 #define SPA_VERSION_12 12ULL
386 515 #define SPA_VERSION_13 13ULL
387 516 #define SPA_VERSION_14 14ULL
388 517 #define SPA_VERSION_15 15ULL
389 518 #define SPA_VERSION_16 16ULL
390 519 #define SPA_VERSION_17 17ULL
391 520 #define SPA_VERSION_18 18ULL
392 521 #define SPA_VERSION_19 19ULL
393 522 #define SPA_VERSION_20 20ULL
394 523 #define SPA_VERSION_21 21ULL
395 524 #define SPA_VERSION_22 22ULL
396 525 #define SPA_VERSION_23 23ULL
397 526 #define SPA_VERSION_24 24ULL
398 527 #define SPA_VERSION_25 25ULL
399 528 #define SPA_VERSION_26 26ULL
400 529 #define SPA_VERSION_27 27ULL
401 530 #define SPA_VERSION_28 28ULL
402 531 #define SPA_VERSION_5000 5000ULL
403 532
404 533 /*
405 534 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
406 535 * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*},
407 536 * and do the appropriate changes. Also bump the version number in
408 537 * usr/src/grub/capability.
409 538 */
410 539 #define SPA_VERSION SPA_VERSION_5000
411 540 #define SPA_VERSION_STRING "5000"
412 541
413 542 /*
414 543 * Symbolic names for the changes that caused a SPA_VERSION switch.
415 544 * Used in the code when checking for presence or absence of a feature.
416 545 * Feel free to define multiple symbolic names for each version if there
417 546 * were multiple changes to on-disk structures during that version.
418 547 *
419 548 * NOTE: When checking the current SPA_VERSION in your code, be sure
420 549 * to use spa_version() since it reports the version of the
421 550 * last synced uberblock. Checking the in-flight version can
422 551 * be dangerous in some cases.
423 552 */
424 553 #define SPA_VERSION_INITIAL SPA_VERSION_1
425 554 #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2
426 555 #define SPA_VERSION_SPARES SPA_VERSION_3
427 556 #define SPA_VERSION_RAIDZ2 SPA_VERSION_3
428 557 #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3
429 558 #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3
430 559 #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3
431 560 #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4
432 561 #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5
433 562 #define SPA_VERSION_BOOTFS SPA_VERSION_6
434 563 #define SPA_VERSION_SLOGS SPA_VERSION_7
435 564 #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8
436 565 #define SPA_VERSION_FUID SPA_VERSION_9
437 566 #define SPA_VERSION_REFRESERVATION SPA_VERSION_9
438 567 #define SPA_VERSION_REFQUOTA SPA_VERSION_9
439 568 #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9
440 569 #define SPA_VERSION_L2CACHE SPA_VERSION_10
441 570 #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11
442 571 #define SPA_VERSION_ORIGIN SPA_VERSION_11
443 572 #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11
444 573 #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12
445 574 #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13
446 575 #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14
447 576 #define SPA_VERSION_USERSPACE SPA_VERSION_15
448 577 #define SPA_VERSION_STMF_PROP SPA_VERSION_16
449 578 #define SPA_VERSION_RAIDZ3 SPA_VERSION_17
450 579 #define SPA_VERSION_USERREFS SPA_VERSION_18
451 580 #define SPA_VERSION_HOLES SPA_VERSION_19
452 581 #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20
453 582 #define SPA_VERSION_DEDUP SPA_VERSION_21
454 583 #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22
455 584 #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23
456 585 #define SPA_VERSION_SA SPA_VERSION_24
457 586 #define SPA_VERSION_SCAN SPA_VERSION_25
458 587 #define SPA_VERSION_DIR_CLONES SPA_VERSION_26
459 588 #define SPA_VERSION_DEADLISTS SPA_VERSION_26
460 589 #define SPA_VERSION_FAST_SNAP SPA_VERSION_27
461 590 #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28
462 591 #define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28
463 592 #define SPA_VERSION_FEATURES SPA_VERSION_5000
464 593
465 594 #define SPA_VERSION_IS_SUPPORTED(v) \
466 595 (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \
467 596 ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION))
468 597
469 598 /*
470 599 * ZPL version - rev'd whenever an incompatible on-disk format change
471 600 * occurs. This is independent of SPA/DMU/ZAP versioning. You must
472 601 * also update the version_table[] and help message in zfs_prop.c.
473 602 *
474 603 * When changing, be sure to teach GRUB how to read the new format!
475 604 * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*}
476 605 */
477 606 #define ZPL_VERSION_1 1ULL
478 607 #define ZPL_VERSION_2 2ULL
479 608 #define ZPL_VERSION_3 3ULL
480 609 #define ZPL_VERSION_4 4ULL
481 610 #define ZPL_VERSION_5 5ULL
482 611 #define ZPL_VERSION ZPL_VERSION_5
483 612 #define ZPL_VERSION_STRING "5"
484 613
485 614 #define ZPL_VERSION_INITIAL ZPL_VERSION_1
486 615 #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2
487 616 #define ZPL_VERSION_FUID ZPL_VERSION_3
488 617 #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3
489 618 #define ZPL_VERSION_SYSATTR ZPL_VERSION_3
490 619 #define ZPL_VERSION_USERSPACE ZPL_VERSION_4
491 620 #define ZPL_VERSION_SA ZPL_VERSION_5
492 621
493 622 /* Rewind request information */
494 623 #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */
495 624 #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */
496 625 #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */
497 626 #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */
498 627 #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */
499 628 #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */
500 629 #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */
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501 630
502 631 typedef struct zpool_rewind_policy {
503 632 uint32_t zrp_request; /* rewind behavior requested */
504 633 uint64_t zrp_maxmeta; /* max acceptable meta-data errors */
505 634 uint64_t zrp_maxdata; /* max acceptable data errors */
506 635 uint64_t zrp_txg; /* specific txg to load */
507 636 } zpool_rewind_policy_t;
508 637
509 638 /*
510 639 * The following are configuration names used in the nvlist describing a pool's
511 - * configuration. New on-disk names should be prefixed with "<reverse-DNS>:"
512 - * (e.g. "org.open-zfs:") to avoid conflicting names being developed
513 - * independently.
640 + * configuration.
514 641 */
515 642 #define ZPOOL_CONFIG_VERSION "version"
516 643 #define ZPOOL_CONFIG_POOL_NAME "name"
517 644 #define ZPOOL_CONFIG_POOL_STATE "state"
518 645 #define ZPOOL_CONFIG_POOL_TXG "txg"
519 646 #define ZPOOL_CONFIG_POOL_GUID "pool_guid"
520 647 #define ZPOOL_CONFIG_CREATE_TXG "create_txg"
521 648 #define ZPOOL_CONFIG_TOP_GUID "top_guid"
522 649 #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree"
523 650 #define ZPOOL_CONFIG_TYPE "type"
524 651 #define ZPOOL_CONFIG_CHILDREN "children"
525 652 #define ZPOOL_CONFIG_ID "id"
526 653 #define ZPOOL_CONFIG_GUID "guid"
527 -#define ZPOOL_CONFIG_INDIRECT_OBJECT "com.delphix:indirect_object"
528 -#define ZPOOL_CONFIG_INDIRECT_BIRTHS "com.delphix:indirect_births"
529 -#define ZPOOL_CONFIG_PREV_INDIRECT_VDEV "com.delphix:prev_indirect_vdev"
530 654 #define ZPOOL_CONFIG_PATH "path"
531 655 #define ZPOOL_CONFIG_DEVID "devid"
532 656 #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
533 657 #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
534 658 #define ZPOOL_CONFIG_ASHIFT "ashift"
535 659 #define ZPOOL_CONFIG_ASIZE "asize"
536 660 #define ZPOOL_CONFIG_DTL "DTL"
537 661 #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */
538 -#define ZPOOL_CONFIG_REMOVAL_STATS "removal_stats" /* not stored on disk */
539 662 #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */
540 -#define ZPOOL_CONFIG_INDIRECT_SIZE "indirect_size" /* not stored on disk */
541 663 #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
542 664 #define ZPOOL_CONFIG_ERRCOUNT "error_count"
543 665 #define ZPOOL_CONFIG_NOT_PRESENT "not_present"
544 666 #define ZPOOL_CONFIG_SPARES "spares"
545 667 #define ZPOOL_CONFIG_IS_SPARE "is_spare"
546 668 #define ZPOOL_CONFIG_NPARITY "nparity"
547 669 #define ZPOOL_CONFIG_HOSTID "hostid"
548 670 #define ZPOOL_CONFIG_HOSTNAME "hostname"
549 671 #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time"
550 672 #define ZPOOL_CONFIG_UNSPARE "unspare"
551 673 #define ZPOOL_CONFIG_PHYS_PATH "phys_path"
552 674 #define ZPOOL_CONFIG_IS_LOG "is_log"
675 +#define ZPOOL_CONFIG_IS_SPECIAL "is_special"
553 676 #define ZPOOL_CONFIG_L2CACHE "l2cache"
677 +#define ZPOOL_CONFIG_L2CACHE_PERSISTENT "l2cache_persistent"
554 678 #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array"
555 679 #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children"
556 680 #define ZPOOL_CONFIG_IS_HOLE "is_hole"
557 681 #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram"
558 682 #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats"
559 683 #define ZPOOL_CONFIG_DDT_STATS "ddt_stats"
560 684 #define ZPOOL_CONFIG_SPLIT "splitcfg"
561 685 #define ZPOOL_CONFIG_ORIG_GUID "orig_guid"
562 686 #define ZPOOL_CONFIG_SPLIT_GUID "split_guid"
563 687 #define ZPOOL_CONFIG_SPLIT_LIST "guid_list"
564 688 #define ZPOOL_CONFIG_REMOVING "removing"
689 +#define ZPOOL_CONFIG_RESILVERING "resilvering"
565 690 #define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg"
566 691 #define ZPOOL_CONFIG_COMMENT "comment"
567 692 #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */
568 693 #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */
569 694 #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */
570 695 #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */
571 696 #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */
572 697 #define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */
573 698 #define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */
574 699 #define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */
575 700 #define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */
576 701 #define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
577 702 #define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */
703 +#define ZPOOL_CONFIG_IS_SSD "is_ssd" /* not stored on disk */
578 704 #define ZPOOL_CONFIG_VDEV_TOP_ZAP "com.delphix:vdev_zap_top"
579 705 #define ZPOOL_CONFIG_VDEV_LEAF_ZAP "com.delphix:vdev_zap_leaf"
580 706 #define ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS "com.delphix:has_per_vdev_zaps"
581 -#define ZPOOL_CONFIG_CACHEFILE "cachefile" /* not stored on disk */
582 707 /*
583 708 * The persistent vdev state is stored as separate values rather than a single
584 709 * 'vdev_state' entry. This is because a device can be in multiple states, such
585 710 * as offline and degraded.
586 711 */
587 712 #define ZPOOL_CONFIG_OFFLINE "offline"
588 713 #define ZPOOL_CONFIG_FAULTED "faulted"
589 714 #define ZPOOL_CONFIG_DEGRADED "degraded"
590 715 #define ZPOOL_CONFIG_REMOVED "removed"
591 716 #define ZPOOL_CONFIG_FRU "fru"
592 717 #define ZPOOL_CONFIG_AUX_STATE "aux_state"
718 +#define ZPOOL_CONFIG_TRIM_PROG "trim_prog"
719 +#define ZPOOL_CONFIG_TRIM_RATE "trim_rate"
720 +#define ZPOOL_CONFIG_TRIM_START_TIME "trim_start_time"
721 +#define ZPOOL_CONFIG_TRIM_STOP_TIME "trim_stop_time"
593 722
594 723 /* Rewind policy parameters */
595 724 #define ZPOOL_REWIND_POLICY "rewind-policy"
596 725 #define ZPOOL_REWIND_REQUEST "rewind-request"
597 726 #define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg"
598 727 #define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh"
599 728 #define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh"
600 729
601 730 /* Rewind data discovered */
602 731 #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts"
603 732 #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors"
604 733 #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind"
605 734
606 735 #define VDEV_TYPE_ROOT "root"
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607 736 #define VDEV_TYPE_MIRROR "mirror"
608 737 #define VDEV_TYPE_REPLACING "replacing"
609 738 #define VDEV_TYPE_RAIDZ "raidz"
610 739 #define VDEV_TYPE_DISK "disk"
611 740 #define VDEV_TYPE_FILE "file"
612 741 #define VDEV_TYPE_MISSING "missing"
613 742 #define VDEV_TYPE_HOLE "hole"
614 743 #define VDEV_TYPE_SPARE "spare"
615 744 #define VDEV_TYPE_LOG "log"
616 745 #define VDEV_TYPE_L2CACHE "l2cache"
617 -#define VDEV_TYPE_INDIRECT "indirect"
746 +#define VDEV_TYPE_SPECIAL "special"
618 747
619 -/* VDEV_TOP_ZAP_* are used in top-level vdev ZAP objects. */
620 -#define VDEV_TOP_ZAP_INDIRECT_OBSOLETE_SM \
621 - "com.delphix:indirect_obsolete_sm"
622 -#define VDEV_TOP_ZAP_OBSOLETE_COUNTS_ARE_PRECISE \
623 - "com.delphix:obsolete_counts_are_precise"
624 -
625 748 /*
626 749 * This is needed in userland to report the minimum necessary device size.
627 750 *
628 751 * Note that the zfs test suite uses 64MB vdevs.
629 752 */
630 753 #define SPA_MINDEVSIZE (64ULL << 20)
631 754
632 755 /*
633 756 * Set if the fragmentation has not yet been calculated. This can happen
634 757 * because the space maps have not been upgraded or the histogram feature
635 758 * is not enabled.
636 759 */
637 760 #define ZFS_FRAG_INVALID UINT64_MAX
638 761
639 762 /*
640 763 * The location of the pool configuration repository, shared between kernel and
641 764 * userland.
642 765 */
643 766 #define ZPOOL_CACHE "/etc/zfs/zpool.cache"
644 767
645 768 /*
646 769 * vdev states are ordered from least to most healthy.
647 770 * A vdev that's CANT_OPEN or below is considered unusable.
648 771 */
649 772 typedef enum vdev_state {
650 773 VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */
651 774 VDEV_STATE_CLOSED, /* Not currently open */
652 775 VDEV_STATE_OFFLINE, /* Not allowed to open */
653 776 VDEV_STATE_REMOVED, /* Explicitly removed from system */
654 777 VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */
655 778 VDEV_STATE_FAULTED, /* External request to fault device */
656 779 VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */
657 780 VDEV_STATE_HEALTHY /* Presumed good */
658 781 } vdev_state_t;
659 782
660 783 #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY
661 784
662 785 /*
663 786 * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field
664 787 * of the vdev stats structure uses these constants to distinguish why.
665 788 */
666 789 typedef enum vdev_aux {
667 790 VDEV_AUX_NONE, /* no error */
668 791 VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */
669 792 VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */
670 793 VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */
671 794 VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */
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672 795 VDEV_AUX_TOO_SMALL, /* vdev size is too small */
673 796 VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */
674 797 VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */
675 798 VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */
676 799 VDEV_AUX_UNSUP_FEAT, /* unsupported features */
677 800 VDEV_AUX_SPARED, /* hot spare used in another pool */
678 801 VDEV_AUX_ERR_EXCEEDED, /* too many errors */
679 802 VDEV_AUX_IO_FAILURE, /* experienced I/O failure */
680 803 VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */
681 804 VDEV_AUX_EXTERNAL, /* external diagnosis */
682 - VDEV_AUX_SPLIT_POOL, /* vdev was split off into another pool */
683 - VDEV_AUX_CHILDREN_OFFLINE /* all children are offline */
805 + VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */
684 806 } vdev_aux_t;
685 807
686 808 /*
687 809 * pool state. The following states are written to disk as part of the normal
688 810 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining
689 811 * states are software abstractions used at various levels to communicate
690 812 * pool state.
691 813 */
692 814 typedef enum pool_state {
693 815 POOL_STATE_ACTIVE = 0, /* In active use */
694 816 POOL_STATE_EXPORTED, /* Explicitly exported */
695 817 POOL_STATE_DESTROYED, /* Explicitly destroyed */
696 818 POOL_STATE_SPARE, /* Reserved for hot spare use */
697 819 POOL_STATE_L2CACHE, /* Level 2 ARC device */
698 820 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */
699 821 POOL_STATE_UNAVAIL, /* Internal libzfs state */
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700 822 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
701 823 } pool_state_t;
702 824
703 825 /*
704 826 * Scan Functions.
705 827 */
706 828 typedef enum pool_scan_func {
707 829 POOL_SCAN_NONE,
708 830 POOL_SCAN_SCRUB,
709 831 POOL_SCAN_RESILVER,
832 + POOL_SCAN_MOS,
833 + POOL_SCAN_META,
710 834 POOL_SCAN_FUNCS
711 835 } pool_scan_func_t;
712 836
713 837 /*
838 + * TRIM command configuration info.
839 + */
840 +typedef struct trim_cmd_info_s {
841 + uint64_t tci_start; /* B_TRUE = start; B_FALSE = stop */
842 + uint64_t tci_rate; /* requested TRIM rate in bytes/sec */
843 +} trim_cmd_info_t;
844 +
845 +/*
714 846 * Used to control scrub pause and resume.
715 847 */
716 848 typedef enum pool_scrub_cmd {
717 849 POOL_SCRUB_NORMAL = 0,
718 850 POOL_SCRUB_PAUSE,
719 851 POOL_SCRUB_FLAGS_END
720 852 } pool_scrub_cmd_t;
721 853
722 -
723 854 /*
724 855 * ZIO types. Needed to interpret vdev statistics below.
725 856 */
726 857 typedef enum zio_type {
727 858 ZIO_TYPE_NULL = 0,
728 859 ZIO_TYPE_READ,
729 860 ZIO_TYPE_WRITE,
730 861 ZIO_TYPE_FREE,
731 862 ZIO_TYPE_CLAIM,
732 863 ZIO_TYPE_IOCTL,
733 864 ZIO_TYPES
734 865 } zio_type_t;
735 866
736 867 /*
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737 868 * Pool statistics. Note: all fields should be 64-bit because this
738 869 * is passed between kernel and userland as an nvlist uint64 array.
739 870 */
740 871 typedef struct pool_scan_stat {
741 872 /* values stored on disk */
742 873 uint64_t pss_func; /* pool_scan_func_t */
743 874 uint64_t pss_state; /* dsl_scan_state_t */
744 875 uint64_t pss_start_time; /* scan start time */
745 876 uint64_t pss_end_time; /* scan end time */
746 877 uint64_t pss_to_examine; /* total bytes to scan */
747 - uint64_t pss_examined; /* total examined bytes */
878 + uint64_t pss_examined; /* total bytes located by scanner */
879 + uint64_t pss_issued; /* total bytes checked by scanner */
748 880 uint64_t pss_to_process; /* total bytes to process */
749 881 uint64_t pss_processed; /* total processed bytes */
750 882 uint64_t pss_errors; /* scan errors */
751 883
752 884 /* values not stored on disk */
753 885 uint64_t pss_pass_exam; /* examined bytes per scan pass */
886 + uint64_t pss_pass_work; /* issued bytes per scan pass */
754 887 uint64_t pss_pass_start; /* start time of a scan pass */
755 888 uint64_t pss_pass_scrub_pause; /* pause time of a scurb pass */
756 889 /* cumulative time scrub spent paused, needed for rate calculation */
757 890 uint64_t pss_pass_scrub_spent_paused;
758 891 } pool_scan_stat_t;
759 892
760 -typedef struct pool_removal_stat {
761 - uint64_t prs_state; /* dsl_scan_state_t */
762 - uint64_t prs_removing_vdev;
763 - uint64_t prs_start_time;
764 - uint64_t prs_end_time;
765 - uint64_t prs_to_copy; /* bytes that need to be copied */
766 - uint64_t prs_copied; /* bytes copied so far */
767 - /*
768 - * bytes of memory used for indirect mappings.
769 - * This includes all removed vdevs.
770 - */
771 - uint64_t prs_mapping_memory;
772 -} pool_removal_stat_t;
773 -
774 893 typedef enum dsl_scan_state {
775 894 DSS_NONE,
776 895 DSS_SCANNING,
777 896 DSS_FINISHED,
778 897 DSS_CANCELED,
898 + DSS_FINISHING,
779 899 DSS_NUM_STATES
780 900 } dsl_scan_state_t;
781 901
782 902
783 903 /*
784 904 * Vdev statistics. Note: all fields should be 64-bit because this
785 905 * is passed between kernel and userland as an nvlist uint64 array.
786 906 */
787 907 typedef struct vdev_stat {
788 908 hrtime_t vs_timestamp; /* time since vdev load */
789 909 uint64_t vs_state; /* vdev state */
790 910 uint64_t vs_aux; /* see vdev_aux_t */
791 911 uint64_t vs_alloc; /* space allocated */
792 912 uint64_t vs_space; /* total capacity */
793 913 uint64_t vs_dspace; /* deflated capacity */
794 914 uint64_t vs_rsize; /* replaceable dev size */
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795 915 uint64_t vs_esize; /* expandable dev size */
796 916 uint64_t vs_ops[ZIO_TYPES]; /* operation count */
797 917 uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */
798 918 uint64_t vs_read_errors; /* read errors */
799 919 uint64_t vs_write_errors; /* write errors */
800 920 uint64_t vs_checksum_errors; /* checksum errors */
801 921 uint64_t vs_self_healed; /* self-healed bytes */
802 922 uint64_t vs_scan_removing; /* removing? */
803 923 uint64_t vs_scan_processed; /* scan processed bytes */
804 924 uint64_t vs_fragmentation; /* device fragmentation */
925 + hrtime_t vs_latency[ZIO_TYPES]; /* moving average of latency */
926 + hrtime_t vs_iotime[ZIO_TYPES]; /* time spent doing i/o */
805 927 } vdev_stat_t;
806 928
807 929 /*
808 930 * DDT statistics. Note: all fields should be 64-bit because this
809 931 * is passed between kernel and userland as an nvlist uint64 array.
810 932 */
811 933 typedef struct ddt_object {
812 934 uint64_t ddo_count; /* number of elments in ddt */
813 935 uint64_t ddo_dspace; /* size of ddt on disk */
814 936 uint64_t ddo_mspace; /* size of ddt in-core */
815 937 } ddt_object_t;
816 938
817 939 typedef struct ddt_stat {
818 940 uint64_t dds_blocks; /* blocks */
819 941 uint64_t dds_lsize; /* logical size */
820 942 uint64_t dds_psize; /* physical size */
821 943 uint64_t dds_dsize; /* deflated allocated size */
822 944 uint64_t dds_ref_blocks; /* referenced blocks */
823 945 uint64_t dds_ref_lsize; /* referenced lsize * refcnt */
824 946 uint64_t dds_ref_psize; /* referenced psize * refcnt */
825 947 uint64_t dds_ref_dsize; /* referenced dsize * refcnt */
826 948 } ddt_stat_t;
827 949
828 950 typedef struct ddt_histogram {
829 951 ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */
830 952 } ddt_histogram_t;
831 953
832 954 #define ZVOL_DRIVER "zvol"
833 955 #define ZFS_DRIVER "zfs"
834 956 #define ZFS_DEV "/dev/zfs"
835 957 #define ZFS_DISK_ROOT "/dev/dsk"
836 958 #define ZFS_DISK_ROOTD ZFS_DISK_ROOT "/"
837 959 #define ZFS_RDISK_ROOT "/dev/rdsk"
838 960 #define ZFS_RDISK_ROOTD ZFS_RDISK_ROOT "/"
839 961
840 962 /* general zvol path */
841 963 #define ZVOL_DIR "/dev/zvol"
842 964 /* expansion */
843 965 #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:"
844 966 /* for dump and swap */
845 967 #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/"
846 968 #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/"
847 969
848 970 #define ZVOL_PROP_NAME "name"
849 971 #define ZVOL_DEFAULT_BLOCKSIZE 8192
850 972
851 973 /*
852 974 * /dev/zfs ioctl numbers.
853 975 */
854 976 typedef enum zfs_ioc {
855 977 ZFS_IOC_FIRST = ('Z' << 8),
856 978 ZFS_IOC = ZFS_IOC_FIRST,
857 979 ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST,
858 980 ZFS_IOC_POOL_DESTROY,
859 981 ZFS_IOC_POOL_IMPORT,
860 982 ZFS_IOC_POOL_EXPORT,
861 983 ZFS_IOC_POOL_CONFIGS,
862 984 ZFS_IOC_POOL_STATS,
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863 985 ZFS_IOC_POOL_TRYIMPORT,
864 986 ZFS_IOC_POOL_SCAN,
865 987 ZFS_IOC_POOL_FREEZE,
866 988 ZFS_IOC_POOL_UPGRADE,
867 989 ZFS_IOC_POOL_GET_HISTORY,
868 990 ZFS_IOC_VDEV_ADD,
869 991 ZFS_IOC_VDEV_REMOVE,
870 992 ZFS_IOC_VDEV_SET_STATE,
871 993 ZFS_IOC_VDEV_ATTACH,
872 994 ZFS_IOC_VDEV_DETACH,
995 + ZFS_IOC_VDEV_SETL2ADDDT,
873 996 ZFS_IOC_VDEV_SETPATH,
874 997 ZFS_IOC_VDEV_SETFRU,
875 998 ZFS_IOC_OBJSET_STATS,
876 999 ZFS_IOC_OBJSET_ZPLPROPS,
877 1000 ZFS_IOC_DATASET_LIST_NEXT,
878 1001 ZFS_IOC_SNAPSHOT_LIST_NEXT,
879 1002 ZFS_IOC_SET_PROP,
880 1003 ZFS_IOC_CREATE,
881 1004 ZFS_IOC_DESTROY,
882 1005 ZFS_IOC_ROLLBACK,
883 1006 ZFS_IOC_RENAME,
884 1007 ZFS_IOC_RECV,
885 1008 ZFS_IOC_SEND,
886 1009 ZFS_IOC_INJECT_FAULT,
887 1010 ZFS_IOC_CLEAR_FAULT,
888 1011 ZFS_IOC_INJECT_LIST_NEXT,
889 1012 ZFS_IOC_ERROR_LOG,
890 1013 ZFS_IOC_CLEAR,
891 1014 ZFS_IOC_PROMOTE,
892 1015 ZFS_IOC_SNAPSHOT,
893 1016 ZFS_IOC_DSOBJ_TO_DSNAME,
894 1017 ZFS_IOC_OBJ_TO_PATH,
895 1018 ZFS_IOC_POOL_SET_PROPS,
896 1019 ZFS_IOC_POOL_GET_PROPS,
897 1020 ZFS_IOC_SET_FSACL,
898 1021 ZFS_IOC_GET_FSACL,
899 1022 ZFS_IOC_SHARE,
900 1023 ZFS_IOC_INHERIT_PROP,
901 1024 ZFS_IOC_SMB_ACL,
902 1025 ZFS_IOC_USERSPACE_ONE,
903 1026 ZFS_IOC_USERSPACE_MANY,
904 1027 ZFS_IOC_USERSPACE_UPGRADE,
905 1028 ZFS_IOC_HOLD,
906 1029 ZFS_IOC_RELEASE,
907 1030 ZFS_IOC_GET_HOLDS,
908 1031 ZFS_IOC_OBJSET_RECVD_PROPS,
909 1032 ZFS_IOC_VDEV_SPLIT,
910 1033 ZFS_IOC_NEXT_OBJ,
911 1034 ZFS_IOC_DIFF,
912 1035 ZFS_IOC_TMP_SNAPSHOT,
913 1036 ZFS_IOC_OBJ_TO_STATS,
914 1037 ZFS_IOC_SPACE_WRITTEN,
915 1038 ZFS_IOC_SPACE_SNAPS,
916 1039 ZFS_IOC_DESTROY_SNAPS,
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917 1040 ZFS_IOC_POOL_REGUID,
918 1041 ZFS_IOC_POOL_REOPEN,
919 1042 ZFS_IOC_SEND_PROGRESS,
920 1043 ZFS_IOC_LOG_HISTORY,
921 1044 ZFS_IOC_SEND_NEW,
922 1045 ZFS_IOC_SEND_SPACE,
923 1046 ZFS_IOC_CLONE,
924 1047 ZFS_IOC_BOOKMARK,
925 1048 ZFS_IOC_GET_BOOKMARKS,
926 1049 ZFS_IOC_DESTROY_BOOKMARKS,
1050 + ZFS_IOC_VDEV_SET_PROPS,
1051 + ZFS_IOC_VDEV_GET_PROPS,
1052 + ZFS_IOC_COS_ALLOC,
1053 + ZFS_IOC_COS_FREE,
1054 + ZFS_IOC_COS_LIST,
1055 + ZFS_IOC_COS_SET_PROPS,
1056 + ZFS_IOC_COS_GET_PROPS,
1057 + ZFS_IOC_POOL_CONFIGS_NVL,
1058 + ZFS_IOC_POOL_STATS_NVL,
1059 + ZFS_IOC_OBJSET_STATS_NVL,
1060 + ZFS_IOC_DATASET_LIST_NEXT_NVL,
1061 + ZFS_IOC_SNAPSHOT_LIST_NEXT_NVL,
1062 + ZFS_IOC_POOL_GET_PROPS_NVL,
1063 + ZFS_IOC_CHECK_KRRP,
1064 + ZFS_IOC_BULK_LIST,
1065 + ZFS_IOC_POOL_TRIM,
927 1066 ZFS_IOC_CHANNEL_PROGRAM,
928 - ZFS_IOC_REMAP,
1067 + ZFS_IOC_SET_PROPS_MDS,
929 1068 ZFS_IOC_LAST
930 1069 } zfs_ioc_t;
931 1070
932 1071 /*
933 1072 * Internal SPA load state. Used by FMA diagnosis engine.
934 1073 */
935 1074 typedef enum {
936 1075 SPA_LOAD_NONE, /* no load in progress */
937 1076 SPA_LOAD_OPEN, /* normal open */
938 1077 SPA_LOAD_IMPORT, /* import in progress */
939 1078 SPA_LOAD_TRYIMPORT, /* tryimport in progress */
940 1079 SPA_LOAD_RECOVER, /* recovery requested */
941 1080 SPA_LOAD_ERROR, /* load failed */
942 1081 SPA_LOAD_CREATE /* creation in progress */
943 1082 } spa_load_state_t;
944 1083
945 1084 /*
946 1085 * Bookmark name values.
947 1086 */
948 1087 #define ZPOOL_ERR_LIST "error list"
949 1088 #define ZPOOL_ERR_DATASET "dataset"
950 1089 #define ZPOOL_ERR_OBJECT "object"
951 1090
952 1091 #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1)
953 1092
954 1093 /*
955 1094 * The following are names used in the nvlist describing
956 1095 * the pool's history log.
957 1096 */
958 1097 #define ZPOOL_HIST_RECORD "history record"
959 1098 #define ZPOOL_HIST_TIME "history time"
960 1099 #define ZPOOL_HIST_CMD "history command"
961 1100 #define ZPOOL_HIST_WHO "history who"
962 1101 #define ZPOOL_HIST_ZONE "history zone"
963 1102 #define ZPOOL_HIST_HOST "history hostname"
964 1103 #define ZPOOL_HIST_TXG "history txg"
965 1104 #define ZPOOL_HIST_INT_EVENT "history internal event"
966 1105 #define ZPOOL_HIST_INT_STR "history internal str"
967 1106 #define ZPOOL_HIST_INT_NAME "internal_name"
968 1107 #define ZPOOL_HIST_IOCTL "ioctl"
969 1108 #define ZPOOL_HIST_INPUT_NVL "in_nvl"
970 1109 #define ZPOOL_HIST_OUTPUT_NVL "out_nvl"
971 1110 #define ZPOOL_HIST_DSNAME "dsname"
972 1111 #define ZPOOL_HIST_DSID "dsid"
973 1112 #define ZPOOL_HIST_ERRNO "errno"
974 1113
975 1114 /*
976 1115 * Flags for ZFS_IOC_VDEV_SET_STATE
977 1116 */
978 1117 #define ZFS_ONLINE_CHECKREMOVE 0x1
979 1118 #define ZFS_ONLINE_UNSPARE 0x2
980 1119 #define ZFS_ONLINE_FORCEFAULT 0x4
981 1120 #define ZFS_ONLINE_EXPAND 0x8
982 1121 #define ZFS_OFFLINE_TEMPORARY 0x1
983 1122
984 1123 /*
985 1124 * Flags for ZFS_IOC_POOL_IMPORT
986 1125 */
987 1126 #define ZFS_IMPORT_NORMAL 0x0
988 1127 #define ZFS_IMPORT_VERBATIM 0x1
989 1128 #define ZFS_IMPORT_ANY_HOST 0x2
990 1129 #define ZFS_IMPORT_MISSING_LOG 0x4
991 1130 #define ZFS_IMPORT_ONLY 0x8
992 1131
993 1132 /*
994 1133 * Channel program argument/return nvlist keys and defaults.
995 1134 */
996 1135 #define ZCP_ARG_PROGRAM "program"
997 1136 #define ZCP_ARG_ARGLIST "arg"
998 1137 #define ZCP_ARG_SYNC "sync"
999 1138 #define ZCP_ARG_INSTRLIMIT "instrlimit"
1000 1139 #define ZCP_ARG_MEMLIMIT "memlimit"
1001 1140
1002 1141 #define ZCP_ARG_CLIARGV "argv"
1003 1142
1004 1143 #define ZCP_RET_ERROR "error"
1005 1144 #define ZCP_RET_RETURN "return"
1006 1145
1007 1146 #define ZCP_DEFAULT_INSTRLIMIT (10 * 1000 * 1000)
1008 1147 #define ZCP_MAX_INSTRLIMIT (10 * ZCP_DEFAULT_INSTRLIMIT)
1009 1148 #define ZCP_DEFAULT_MEMLIMIT (10 * 1024 * 1024)
1010 1149 #define ZCP_MAX_MEMLIMIT (10 * ZCP_DEFAULT_MEMLIMIT)
1011 1150
1012 1151 /*
1013 1152 * Sysevent payload members. ZFS will generate the following sysevents with the
1014 1153 * given payloads:
1015 1154 *
1016 1155 * ESC_ZFS_RESILVER_START
1017 1156 * ESC_ZFS_RESILVER_END
1018 1157 * ESC_ZFS_POOL_DESTROY
1019 1158 * ESC_ZFS_POOL_REGUID
1020 1159 *
1021 1160 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
1022 1161 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
1023 1162 *
1024 1163 * ESC_ZFS_VDEV_REMOVE
1025 1164 * ESC_ZFS_VDEV_CLEAR
1026 1165 * ESC_ZFS_VDEV_CHECK
1027 1166 *
1028 1167 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
1029 1168 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
1030 1169 * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional)
1031 1170 * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64
1032 1171 *
1033 1172 * ESC_ZFS_HISTORY_EVENT
1034 1173 *
1035 1174 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
1036 1175 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
1037 1176 * ZFS_EV_HIST_TIME DATA_TYPE_UINT64 (optional)
1038 1177 * ZFS_EV_HIST_CMD DATA_TYPE_STRING (optional)
1039 1178 * ZFS_EV_HIST_WHO DATA_TYPE_UINT64 (optional)
1040 1179 * ZFS_EV_HIST_ZONE DATA_TYPE_STRING (optional)
1041 1180 * ZFS_EV_HIST_HOST DATA_TYPE_STRING (optional)
1042 1181 * ZFS_EV_HIST_TXG DATA_TYPE_UINT64 (optional)
1043 1182 * ZFS_EV_HIST_INT_EVENT DATA_TYPE_UINT64 (optional)
1044 1183 * ZFS_EV_HIST_INT_STR DATA_TYPE_STRING (optional)
1045 1184 * ZFS_EV_HIST_INT_NAME DATA_TYPE_STRING (optional)
1046 1185 * ZFS_EV_HIST_IOCTL DATA_TYPE_STRING (optional)
1047 1186 * ZFS_EV_HIST_DSNAME DATA_TYPE_STRING (optional)
1048 1187 * ZFS_EV_HIST_DSID DATA_TYPE_UINT64 (optional)
1049 1188 *
1050 1189 * The ZFS_EV_HIST_* members will correspond to the ZPOOL_HIST_* members in the
1051 1190 * history log nvlist. The keynames will be free of any spaces or other
1052 1191 * characters that could be potentially unexpected to consumers of the
1053 1192 * sysevents.
1054 1193 */
1055 1194 #define ZFS_EV_POOL_NAME "pool_name"
1056 1195 #define ZFS_EV_POOL_GUID "pool_guid"
1057 1196 #define ZFS_EV_VDEV_PATH "vdev_path"
1058 1197 #define ZFS_EV_VDEV_GUID "vdev_guid"
1059 1198 #define ZFS_EV_HIST_TIME "history_time"
1060 1199 #define ZFS_EV_HIST_CMD "history_command"
1061 1200 #define ZFS_EV_HIST_WHO "history_who"
1062 1201 #define ZFS_EV_HIST_ZONE "history_zone"
1063 1202 #define ZFS_EV_HIST_HOST "history_hostname"
1064 1203 #define ZFS_EV_HIST_TXG "history_txg"
1065 1204 #define ZFS_EV_HIST_INT_EVENT "history_internal_event"
1066 1205 #define ZFS_EV_HIST_INT_STR "history_internal_str"
1067 1206 #define ZFS_EV_HIST_INT_NAME "history_internal_name"
1068 1207 #define ZFS_EV_HIST_IOCTL "history_ioctl"
1069 1208 #define ZFS_EV_HIST_DSNAME "history_dsname"
1070 1209 #define ZFS_EV_HIST_DSID "history_dsid"
1071 1210
1072 1211 #ifdef __cplusplus
1073 1212 }
1074 1213 #endif
1075 1214
1076 1215 #endif /* _SYS_FS_ZFS_H */
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