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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 https://opensource.org/licenses/CDDL-1.0. | |
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 | /* | |
23 | * Copyright 2015 Nexenta Systems, Inc. All rights reserved. | |
24 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. | |
25 | * Copyright (c) 2011, 2024 by Delphix. All rights reserved. | |
26 | * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com> | |
27 | * Copyright (c) 2018 Datto Inc. | |
28 | * Copyright (c) 2017 Open-E, Inc. All Rights Reserved. | |
29 | * Copyright (c) 2017, Intel Corporation. | |
30 | * Copyright (c) 2018, loli10K <ezomori.nozomu@gmail.com> | |
31 | * Copyright (c) 2021, Colm Buckley <colm@tuatha.org> | |
32 | * Copyright (c) 2021, 2023, Klara Inc. | |
33 | */ | |
34 | ||
35 | #include <errno.h> | |
36 | #include <libintl.h> | |
37 | #include <stdio.h> | |
38 | #include <stdlib.h> | |
39 | #include <strings.h> | |
40 | #include <unistd.h> | |
41 | #include <libgen.h> | |
42 | #include <zone.h> | |
43 | #include <sys/stat.h> | |
44 | #include <sys/efi_partition.h> | |
45 | #include <sys/systeminfo.h> | |
46 | #include <sys/zfs_ioctl.h> | |
47 | #include <sys/zfs_sysfs.h> | |
48 | #include <sys/vdev_disk.h> | |
49 | #include <sys/types.h> | |
50 | #include <dlfcn.h> | |
51 | #include <libzutil.h> | |
52 | #include <fcntl.h> | |
53 | ||
54 | #include "zfs_namecheck.h" | |
55 | #include "zfs_prop.h" | |
56 | #include "libzfs_impl.h" | |
57 | #include "zfs_comutil.h" | |
58 | #include "zfeature_common.h" | |
59 | ||
60 | static boolean_t zpool_vdev_is_interior(const char *name); | |
61 | ||
62 | typedef struct prop_flags { | |
63 | unsigned int create:1; /* Validate property on creation */ | |
64 | unsigned int import:1; /* Validate property on import */ | |
65 | unsigned int vdevprop:1; /* Validate property as a VDEV property */ | |
66 | } prop_flags_t; | |
67 | ||
68 | /* | |
69 | * ==================================================================== | |
70 | * zpool property functions | |
71 | * ==================================================================== | |
72 | */ | |
73 | ||
74 | static int | |
75 | zpool_get_all_props(zpool_handle_t *zhp) | |
76 | { | |
77 | zfs_cmd_t zc = {"\0"}; | |
78 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
79 | ||
80 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
81 | ||
82 | zcmd_alloc_dst_nvlist(hdl, &zc, 0); | |
83 | ||
84 | while (zfs_ioctl(hdl, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { | |
85 | if (errno == ENOMEM) | |
86 | zcmd_expand_dst_nvlist(hdl, &zc); | |
87 | else { | |
88 | zcmd_free_nvlists(&zc); | |
89 | return (-1); | |
90 | } | |
91 | } | |
92 | ||
93 | if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { | |
94 | zcmd_free_nvlists(&zc); | |
95 | return (-1); | |
96 | } | |
97 | ||
98 | zcmd_free_nvlists(&zc); | |
99 | ||
100 | return (0); | |
101 | } | |
102 | ||
103 | int | |
104 | zpool_props_refresh(zpool_handle_t *zhp) | |
105 | { | |
106 | nvlist_t *old_props; | |
107 | ||
108 | old_props = zhp->zpool_props; | |
109 | ||
110 | if (zpool_get_all_props(zhp) != 0) | |
111 | return (-1); | |
112 | ||
113 | nvlist_free(old_props); | |
114 | return (0); | |
115 | } | |
116 | ||
117 | static const char * | |
118 | zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, | |
119 | zprop_source_t *src) | |
120 | { | |
121 | nvlist_t *nv, *nvl; | |
122 | const char *value; | |
123 | zprop_source_t source; | |
124 | ||
125 | nvl = zhp->zpool_props; | |
126 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
127 | source = fnvlist_lookup_uint64(nv, ZPROP_SOURCE); | |
128 | value = fnvlist_lookup_string(nv, ZPROP_VALUE); | |
129 | } else { | |
130 | source = ZPROP_SRC_DEFAULT; | |
131 | if ((value = zpool_prop_default_string(prop)) == NULL) | |
132 | value = "-"; | |
133 | } | |
134 | ||
135 | if (src) | |
136 | *src = source; | |
137 | ||
138 | return (value); | |
139 | } | |
140 | ||
141 | uint64_t | |
142 | zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) | |
143 | { | |
144 | nvlist_t *nv, *nvl; | |
145 | uint64_t value; | |
146 | zprop_source_t source; | |
147 | ||
148 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { | |
149 | /* | |
150 | * zpool_get_all_props() has most likely failed because | |
151 | * the pool is faulted, but if all we need is the top level | |
152 | * vdev's guid then get it from the zhp config nvlist. | |
153 | */ | |
154 | if ((prop == ZPOOL_PROP_GUID) && | |
155 | (nvlist_lookup_nvlist(zhp->zpool_config, | |
156 | ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && | |
157 | (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) | |
158 | == 0)) { | |
159 | return (value); | |
160 | } | |
161 | return (zpool_prop_default_numeric(prop)); | |
162 | } | |
163 | ||
164 | nvl = zhp->zpool_props; | |
165 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
166 | source = fnvlist_lookup_uint64(nv, ZPROP_SOURCE); | |
167 | value = fnvlist_lookup_uint64(nv, ZPROP_VALUE); | |
168 | } else { | |
169 | source = ZPROP_SRC_DEFAULT; | |
170 | value = zpool_prop_default_numeric(prop); | |
171 | } | |
172 | ||
173 | if (src) | |
174 | *src = source; | |
175 | ||
176 | return (value); | |
177 | } | |
178 | ||
179 | /* | |
180 | * Map VDEV STATE to printed strings. | |
181 | */ | |
182 | const char * | |
183 | zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) | |
184 | { | |
185 | switch (state) { | |
186 | case VDEV_STATE_CLOSED: | |
187 | case VDEV_STATE_OFFLINE: | |
188 | return (gettext("OFFLINE")); | |
189 | case VDEV_STATE_REMOVED: | |
190 | return (gettext("REMOVED")); | |
191 | case VDEV_STATE_CANT_OPEN: | |
192 | if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) | |
193 | return (gettext("FAULTED")); | |
194 | else if (aux == VDEV_AUX_SPLIT_POOL) | |
195 | return (gettext("SPLIT")); | |
196 | else | |
197 | return (gettext("UNAVAIL")); | |
198 | case VDEV_STATE_FAULTED: | |
199 | return (gettext("FAULTED")); | |
200 | case VDEV_STATE_DEGRADED: | |
201 | return (gettext("DEGRADED")); | |
202 | case VDEV_STATE_HEALTHY: | |
203 | return (gettext("ONLINE")); | |
204 | ||
205 | default: | |
206 | break; | |
207 | } | |
208 | ||
209 | return (gettext("UNKNOWN")); | |
210 | } | |
211 | ||
212 | /* | |
213 | * Map POOL STATE to printed strings. | |
214 | */ | |
215 | const char * | |
216 | zpool_pool_state_to_name(pool_state_t state) | |
217 | { | |
218 | switch (state) { | |
219 | default: | |
220 | break; | |
221 | case POOL_STATE_ACTIVE: | |
222 | return (gettext("ACTIVE")); | |
223 | case POOL_STATE_EXPORTED: | |
224 | return (gettext("EXPORTED")); | |
225 | case POOL_STATE_DESTROYED: | |
226 | return (gettext("DESTROYED")); | |
227 | case POOL_STATE_SPARE: | |
228 | return (gettext("SPARE")); | |
229 | case POOL_STATE_L2CACHE: | |
230 | return (gettext("L2CACHE")); | |
231 | case POOL_STATE_UNINITIALIZED: | |
232 | return (gettext("UNINITIALIZED")); | |
233 | case POOL_STATE_UNAVAIL: | |
234 | return (gettext("UNAVAIL")); | |
235 | case POOL_STATE_POTENTIALLY_ACTIVE: | |
236 | return (gettext("POTENTIALLY_ACTIVE")); | |
237 | } | |
238 | ||
239 | return (gettext("UNKNOWN")); | |
240 | } | |
241 | ||
242 | /* | |
243 | * Given a pool handle, return the pool health string ("ONLINE", "DEGRADED", | |
244 | * "SUSPENDED", etc). | |
245 | */ | |
246 | const char * | |
247 | zpool_get_state_str(zpool_handle_t *zhp) | |
248 | { | |
249 | zpool_errata_t errata; | |
250 | zpool_status_t status; | |
251 | const char *str; | |
252 | ||
253 | status = zpool_get_status(zhp, NULL, &errata); | |
254 | ||
255 | if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { | |
256 | str = gettext("FAULTED"); | |
257 | } else if (status == ZPOOL_STATUS_IO_FAILURE_WAIT || | |
258 | status == ZPOOL_STATUS_IO_FAILURE_CONTINUE || | |
259 | status == ZPOOL_STATUS_IO_FAILURE_MMP) { | |
260 | str = gettext("SUSPENDED"); | |
261 | } else { | |
262 | nvlist_t *nvroot = fnvlist_lookup_nvlist( | |
263 | zpool_get_config(zhp, NULL), ZPOOL_CONFIG_VDEV_TREE); | |
264 | uint_t vsc; | |
265 | vdev_stat_t *vs = (vdev_stat_t *)fnvlist_lookup_uint64_array( | |
266 | nvroot, ZPOOL_CONFIG_VDEV_STATS, &vsc); | |
267 | str = zpool_state_to_name(vs->vs_state, vs->vs_aux); | |
268 | } | |
269 | return (str); | |
270 | } | |
271 | ||
272 | /* | |
273 | * Get a zpool property value for 'prop' and return the value in | |
274 | * a pre-allocated buffer. | |
275 | */ | |
276 | int | |
277 | zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, | |
278 | size_t len, zprop_source_t *srctype, boolean_t literal) | |
279 | { | |
280 | uint64_t intval; | |
281 | const char *strval; | |
282 | zprop_source_t src = ZPROP_SRC_NONE; | |
283 | ||
284 | if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { | |
285 | switch (prop) { | |
286 | case ZPOOL_PROP_NAME: | |
287 | (void) strlcpy(buf, zpool_get_name(zhp), len); | |
288 | break; | |
289 | ||
290 | case ZPOOL_PROP_HEALTH: | |
291 | (void) strlcpy(buf, zpool_get_state_str(zhp), len); | |
292 | break; | |
293 | ||
294 | case ZPOOL_PROP_GUID: | |
295 | intval = zpool_get_prop_int(zhp, prop, &src); | |
296 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); | |
297 | break; | |
298 | ||
299 | case ZPOOL_PROP_ALTROOT: | |
300 | case ZPOOL_PROP_CACHEFILE: | |
301 | case ZPOOL_PROP_COMMENT: | |
302 | case ZPOOL_PROP_COMPATIBILITY: | |
303 | if (zhp->zpool_props != NULL || | |
304 | zpool_get_all_props(zhp) == 0) { | |
305 | (void) strlcpy(buf, | |
306 | zpool_get_prop_string(zhp, prop, &src), | |
307 | len); | |
308 | break; | |
309 | } | |
310 | zfs_fallthrough; | |
311 | default: | |
312 | (void) strlcpy(buf, "-", len); | |
313 | break; | |
314 | } | |
315 | ||
316 | if (srctype != NULL) | |
317 | *srctype = src; | |
318 | return (0); | |
319 | } | |
320 | ||
321 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && | |
322 | prop != ZPOOL_PROP_NAME) | |
323 | return (-1); | |
324 | ||
325 | switch (zpool_prop_get_type(prop)) { | |
326 | case PROP_TYPE_STRING: | |
327 | (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), | |
328 | len); | |
329 | break; | |
330 | ||
331 | case PROP_TYPE_NUMBER: | |
332 | intval = zpool_get_prop_int(zhp, prop, &src); | |
333 | ||
334 | switch (prop) { | |
335 | case ZPOOL_PROP_SIZE: | |
336 | case ZPOOL_PROP_ALLOCATED: | |
337 | case ZPOOL_PROP_FREE: | |
338 | case ZPOOL_PROP_FREEING: | |
339 | case ZPOOL_PROP_LEAKED: | |
340 | case ZPOOL_PROP_ASHIFT: | |
341 | case ZPOOL_PROP_MAXBLOCKSIZE: | |
342 | case ZPOOL_PROP_MAXDNODESIZE: | |
343 | case ZPOOL_PROP_BCLONESAVED: | |
344 | case ZPOOL_PROP_BCLONEUSED: | |
345 | if (literal) | |
346 | (void) snprintf(buf, len, "%llu", | |
347 | (u_longlong_t)intval); | |
348 | else | |
349 | (void) zfs_nicenum(intval, buf, len); | |
350 | break; | |
351 | ||
352 | case ZPOOL_PROP_EXPANDSZ: | |
353 | case ZPOOL_PROP_CHECKPOINT: | |
354 | if (intval == 0) { | |
355 | (void) strlcpy(buf, "-", len); | |
356 | } else if (literal) { | |
357 | (void) snprintf(buf, len, "%llu", | |
358 | (u_longlong_t)intval); | |
359 | } else { | |
360 | (void) zfs_nicebytes(intval, buf, len); | |
361 | } | |
362 | break; | |
363 | ||
364 | case ZPOOL_PROP_CAPACITY: | |
365 | if (literal) { | |
366 | (void) snprintf(buf, len, "%llu", | |
367 | (u_longlong_t)intval); | |
368 | } else { | |
369 | (void) snprintf(buf, len, "%llu%%", | |
370 | (u_longlong_t)intval); | |
371 | } | |
372 | break; | |
373 | ||
374 | case ZPOOL_PROP_FRAGMENTATION: | |
375 | if (intval == UINT64_MAX) { | |
376 | (void) strlcpy(buf, "-", len); | |
377 | } else if (literal) { | |
378 | (void) snprintf(buf, len, "%llu", | |
379 | (u_longlong_t)intval); | |
380 | } else { | |
381 | (void) snprintf(buf, len, "%llu%%", | |
382 | (u_longlong_t)intval); | |
383 | } | |
384 | break; | |
385 | ||
386 | case ZPOOL_PROP_BCLONERATIO: | |
387 | case ZPOOL_PROP_DEDUPRATIO: | |
388 | if (literal) | |
389 | (void) snprintf(buf, len, "%llu.%02llu", | |
390 | (u_longlong_t)(intval / 100), | |
391 | (u_longlong_t)(intval % 100)); | |
392 | else | |
393 | (void) snprintf(buf, len, "%llu.%02llux", | |
394 | (u_longlong_t)(intval / 100), | |
395 | (u_longlong_t)(intval % 100)); | |
396 | break; | |
397 | ||
398 | case ZPOOL_PROP_HEALTH: | |
399 | (void) strlcpy(buf, zpool_get_state_str(zhp), len); | |
400 | break; | |
401 | case ZPOOL_PROP_VERSION: | |
402 | if (intval >= SPA_VERSION_FEATURES) { | |
403 | (void) snprintf(buf, len, "-"); | |
404 | break; | |
405 | } | |
406 | zfs_fallthrough; | |
407 | default: | |
408 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); | |
409 | } | |
410 | break; | |
411 | ||
412 | case PROP_TYPE_INDEX: | |
413 | intval = zpool_get_prop_int(zhp, prop, &src); | |
414 | if (zpool_prop_index_to_string(prop, intval, &strval) | |
415 | != 0) | |
416 | return (-1); | |
417 | (void) strlcpy(buf, strval, len); | |
418 | break; | |
419 | ||
420 | default: | |
421 | abort(); | |
422 | } | |
423 | ||
424 | if (srctype) | |
425 | *srctype = src; | |
426 | ||
427 | return (0); | |
428 | } | |
429 | ||
430 | /* | |
431 | * Get a zpool property value for 'propname' and return the value in | |
432 | * a pre-allocated buffer. | |
433 | */ | |
434 | int | |
435 | zpool_get_userprop(zpool_handle_t *zhp, const char *propname, char *buf, | |
436 | size_t len, zprop_source_t *srctype) | |
437 | { | |
438 | nvlist_t *nv, *nvl; | |
439 | uint64_t ival; | |
440 | const char *value; | |
441 | zprop_source_t source = ZPROP_SRC_LOCAL; | |
442 | ||
443 | nvl = zhp->zpool_props; | |
444 | if (nvlist_lookup_nvlist(nvl, propname, &nv) == 0) { | |
445 | if (nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0) | |
446 | source = ival; | |
447 | verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); | |
448 | } else { | |
449 | source = ZPROP_SRC_DEFAULT; | |
450 | value = "-"; | |
451 | } | |
452 | ||
453 | if (srctype) | |
454 | *srctype = source; | |
455 | ||
456 | (void) strlcpy(buf, value, len); | |
457 | ||
458 | return (0); | |
459 | } | |
460 | ||
461 | /* | |
462 | * Check if the bootfs name has the same pool name as it is set to. | |
463 | * Assuming bootfs is a valid dataset name. | |
464 | */ | |
465 | static boolean_t | |
466 | bootfs_name_valid(const char *pool, const char *bootfs) | |
467 | { | |
468 | int len = strlen(pool); | |
469 | if (bootfs[0] == '\0') | |
470 | return (B_TRUE); | |
471 | ||
472 | if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) | |
473 | return (B_FALSE); | |
474 | ||
475 | if (strncmp(pool, bootfs, len) == 0 && | |
476 | (bootfs[len] == '/' || bootfs[len] == '\0')) | |
477 | return (B_TRUE); | |
478 | ||
479 | return (B_FALSE); | |
480 | } | |
481 | ||
482 | /* | |
483 | * Given an nvlist of zpool properties to be set, validate that they are | |
484 | * correct, and parse any numeric properties (index, boolean, etc) if they are | |
485 | * specified as strings. | |
486 | */ | |
487 | static nvlist_t * | |
488 | zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, | |
489 | nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) | |
490 | { | |
491 | nvpair_t *elem; | |
492 | nvlist_t *retprops; | |
493 | zpool_prop_t prop; | |
494 | const char *strval; | |
495 | uint64_t intval; | |
496 | const char *slash, *check; | |
497 | struct stat64 statbuf; | |
498 | zpool_handle_t *zhp; | |
499 | char report[1024]; | |
500 | ||
501 | if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { | |
502 | (void) no_memory(hdl); | |
503 | return (NULL); | |
504 | } | |
505 | ||
506 | elem = NULL; | |
507 | while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
508 | const char *propname = nvpair_name(elem); | |
509 | ||
510 | if (flags.vdevprop && zpool_prop_vdev(propname)) { | |
511 | vdev_prop_t vprop = vdev_name_to_prop(propname); | |
512 | ||
513 | if (vdev_prop_readonly(vprop)) { | |
514 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
515 | "is readonly"), propname); | |
516 | (void) zfs_error(hdl, EZFS_PROPREADONLY, | |
517 | errbuf); | |
518 | goto error; | |
519 | } | |
520 | ||
521 | if (zprop_parse_value(hdl, elem, vprop, ZFS_TYPE_VDEV, | |
522 | retprops, &strval, &intval, errbuf) != 0) | |
523 | goto error; | |
524 | ||
525 | continue; | |
526 | } else if (flags.vdevprop && vdev_prop_user(propname)) { | |
527 | if (nvlist_add_nvpair(retprops, elem) != 0) { | |
528 | (void) no_memory(hdl); | |
529 | goto error; | |
530 | } | |
531 | continue; | |
532 | } else if (flags.vdevprop) { | |
533 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
534 | "invalid property: '%s'"), propname); | |
535 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
536 | goto error; | |
537 | } | |
538 | ||
539 | prop = zpool_name_to_prop(propname); | |
540 | if (prop == ZPOOL_PROP_INVAL && zpool_prop_feature(propname)) { | |
541 | int err; | |
542 | char *fname = strchr(propname, '@') + 1; | |
543 | ||
544 | err = zfeature_lookup_name(fname, NULL); | |
545 | if (err != 0) { | |
546 | ASSERT3U(err, ==, ENOENT); | |
547 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
548 | "feature '%s' unsupported by kernel"), | |
549 | fname); | |
550 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
551 | goto error; | |
552 | } | |
553 | ||
554 | if (nvpair_type(elem) != DATA_TYPE_STRING) { | |
555 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
556 | "'%s' must be a string"), propname); | |
557 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
558 | goto error; | |
559 | } | |
560 | ||
561 | (void) nvpair_value_string(elem, &strval); | |
562 | if (strcmp(strval, ZFS_FEATURE_ENABLED) != 0 && | |
563 | strcmp(strval, ZFS_FEATURE_DISABLED) != 0) { | |
564 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
565 | "property '%s' can only be set to " | |
566 | "'enabled' or 'disabled'"), propname); | |
567 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
568 | goto error; | |
569 | } | |
570 | ||
571 | if (!flags.create && | |
572 | strcmp(strval, ZFS_FEATURE_DISABLED) == 0) { | |
573 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
574 | "property '%s' can only be set to " | |
575 | "'disabled' at creation time"), propname); | |
576 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
577 | goto error; | |
578 | } | |
579 | ||
580 | if (nvlist_add_uint64(retprops, propname, 0) != 0) { | |
581 | (void) no_memory(hdl); | |
582 | goto error; | |
583 | } | |
584 | continue; | |
585 | } else if (prop == ZPOOL_PROP_INVAL && | |
586 | zfs_prop_user(propname)) { | |
587 | /* | |
588 | * This is a user property: make sure it's a | |
589 | * string, and that it's less than ZAP_MAXNAMELEN. | |
590 | */ | |
591 | if (nvpair_type(elem) != DATA_TYPE_STRING) { | |
592 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
593 | "'%s' must be a string"), propname); | |
594 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
595 | goto error; | |
596 | } | |
597 | ||
598 | if (strlen(nvpair_name(elem)) >= ZAP_MAXNAMELEN) { | |
599 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
600 | "property name '%s' is too long"), | |
601 | propname); | |
602 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
603 | goto error; | |
604 | } | |
605 | ||
606 | (void) nvpair_value_string(elem, &strval); | |
607 | ||
608 | if (strlen(strval) >= ZFS_MAXPROPLEN) { | |
609 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
610 | "property value '%s' is too long"), | |
611 | strval); | |
612 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
613 | goto error; | |
614 | } | |
615 | ||
616 | if (nvlist_add_string(retprops, propname, | |
617 | strval) != 0) { | |
618 | (void) no_memory(hdl); | |
619 | goto error; | |
620 | } | |
621 | ||
622 | continue; | |
623 | } | |
624 | ||
625 | /* | |
626 | * Make sure this property is valid and applies to this type. | |
627 | */ | |
628 | if (prop == ZPOOL_PROP_INVAL) { | |
629 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
630 | "invalid property '%s'"), propname); | |
631 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
632 | goto error; | |
633 | } | |
634 | ||
635 | if (zpool_prop_readonly(prop)) { | |
636 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
637 | "is readonly"), propname); | |
638 | (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); | |
639 | goto error; | |
640 | } | |
641 | ||
642 | if (!flags.create && zpool_prop_setonce(prop)) { | |
643 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
644 | "property '%s' can only be set at " | |
645 | "creation time"), propname); | |
646 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
647 | goto error; | |
648 | } | |
649 | ||
650 | if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, | |
651 | &strval, &intval, errbuf) != 0) | |
652 | goto error; | |
653 | ||
654 | /* | |
655 | * Perform additional checking for specific properties. | |
656 | */ | |
657 | switch (prop) { | |
658 | case ZPOOL_PROP_VERSION: | |
659 | if (intval < version || | |
660 | !SPA_VERSION_IS_SUPPORTED(intval)) { | |
661 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
662 | "property '%s' number %llu is invalid."), | |
663 | propname, (unsigned long long)intval); | |
664 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
665 | goto error; | |
666 | } | |
667 | break; | |
668 | ||
669 | case ZPOOL_PROP_ASHIFT: | |
670 | if (intval != 0 && | |
671 | (intval < ASHIFT_MIN || intval > ASHIFT_MAX)) { | |
672 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
673 | "property '%s' number %llu is invalid, " | |
674 | "only values between %" PRId32 " and %" | |
675 | PRId32 " are allowed."), | |
676 | propname, (unsigned long long)intval, | |
677 | ASHIFT_MIN, ASHIFT_MAX); | |
678 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
679 | goto error; | |
680 | } | |
681 | break; | |
682 | ||
683 | case ZPOOL_PROP_BOOTFS: | |
684 | if (flags.create || flags.import) { | |
685 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
686 | "property '%s' cannot be set at creation " | |
687 | "or import time"), propname); | |
688 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
689 | goto error; | |
690 | } | |
691 | ||
692 | if (version < SPA_VERSION_BOOTFS) { | |
693 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
694 | "pool must be upgraded to support " | |
695 | "'%s' property"), propname); | |
696 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
697 | goto error; | |
698 | } | |
699 | ||
700 | /* | |
701 | * bootfs property value has to be a dataset name and | |
702 | * the dataset has to be in the same pool as it sets to. | |
703 | */ | |
704 | if (!bootfs_name_valid(poolname, strval)) { | |
705 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
706 | "is an invalid name"), strval); | |
707 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); | |
708 | goto error; | |
709 | } | |
710 | ||
711 | if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { | |
712 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
713 | "could not open pool '%s'"), poolname); | |
714 | (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); | |
715 | goto error; | |
716 | } | |
717 | zpool_close(zhp); | |
718 | break; | |
719 | ||
720 | case ZPOOL_PROP_ALTROOT: | |
721 | if (!flags.create && !flags.import) { | |
722 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
723 | "property '%s' can only be set during pool " | |
724 | "creation or import"), propname); | |
725 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
726 | goto error; | |
727 | } | |
728 | ||
729 | if (strval[0] != '/') { | |
730 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
731 | "bad alternate root '%s'"), strval); | |
732 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
733 | goto error; | |
734 | } | |
735 | break; | |
736 | ||
737 | case ZPOOL_PROP_CACHEFILE: | |
738 | if (strval[0] == '\0') | |
739 | break; | |
740 | ||
741 | if (strcmp(strval, "none") == 0) | |
742 | break; | |
743 | ||
744 | if (strval[0] != '/') { | |
745 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
746 | "property '%s' must be empty, an " | |
747 | "absolute path, or 'none'"), propname); | |
748 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
749 | goto error; | |
750 | } | |
751 | ||
752 | slash = strrchr(strval, '/'); | |
753 | ||
754 | if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
755 | strcmp(slash, "/..") == 0) { | |
756 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
757 | "'%s' is not a valid file"), strval); | |
758 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
759 | goto error; | |
760 | } | |
761 | ||
762 | *(char *)slash = '\0'; | |
763 | ||
764 | if (strval[0] != '\0' && | |
765 | (stat64(strval, &statbuf) != 0 || | |
766 | !S_ISDIR(statbuf.st_mode))) { | |
767 | *(char *)slash = '/'; | |
768 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
769 | "'%s' is not a valid directory"), | |
770 | strval); | |
771 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
772 | goto error; | |
773 | } | |
774 | ||
775 | *(char *)slash = '/'; | |
776 | break; | |
777 | ||
778 | case ZPOOL_PROP_COMPATIBILITY: | |
779 | switch (zpool_load_compat(strval, NULL, report, 1024)) { | |
780 | case ZPOOL_COMPATIBILITY_OK: | |
781 | case ZPOOL_COMPATIBILITY_WARNTOKEN: | |
782 | break; | |
783 | case ZPOOL_COMPATIBILITY_BADFILE: | |
784 | case ZPOOL_COMPATIBILITY_BADTOKEN: | |
785 | case ZPOOL_COMPATIBILITY_NOFILES: | |
786 | zfs_error_aux(hdl, "%s", report); | |
787 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
788 | goto error; | |
789 | } | |
790 | break; | |
791 | ||
792 | case ZPOOL_PROP_COMMENT: | |
793 | for (check = strval; *check != '\0'; check++) { | |
794 | if (!isprint(*check)) { | |
795 | zfs_error_aux(hdl, | |
796 | dgettext(TEXT_DOMAIN, | |
797 | "comment may only have printable " | |
798 | "characters")); | |
799 | (void) zfs_error(hdl, EZFS_BADPROP, | |
800 | errbuf); | |
801 | goto error; | |
802 | } | |
803 | } | |
804 | if (strlen(strval) > ZPROP_MAX_COMMENT) { | |
805 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
806 | "comment must not exceed %d characters"), | |
807 | ZPROP_MAX_COMMENT); | |
808 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
809 | goto error; | |
810 | } | |
811 | break; | |
812 | case ZPOOL_PROP_READONLY: | |
813 | if (!flags.import) { | |
814 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
815 | "property '%s' can only be set at " | |
816 | "import time"), propname); | |
817 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
818 | goto error; | |
819 | } | |
820 | break; | |
821 | case ZPOOL_PROP_MULTIHOST: | |
822 | if (get_system_hostid() == 0) { | |
823 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
824 | "requires a non-zero system hostid")); | |
825 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
826 | goto error; | |
827 | } | |
828 | break; | |
829 | case ZPOOL_PROP_DEDUPDITTO: | |
830 | printf("Note: property '%s' no longer has " | |
831 | "any effect\n", propname); | |
832 | break; | |
833 | ||
834 | default: | |
835 | break; | |
836 | } | |
837 | } | |
838 | ||
839 | return (retprops); | |
840 | error: | |
841 | nvlist_free(retprops); | |
842 | return (NULL); | |
843 | } | |
844 | ||
845 | /* | |
846 | * Set zpool property : propname=propval. | |
847 | */ | |
848 | int | |
849 | zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) | |
850 | { | |
851 | zfs_cmd_t zc = {"\0"}; | |
852 | int ret = -1; | |
853 | char errbuf[ERRBUFLEN]; | |
854 | nvlist_t *nvl = NULL; | |
855 | nvlist_t *realprops; | |
856 | uint64_t version; | |
857 | prop_flags_t flags = { 0 }; | |
858 | ||
859 | (void) snprintf(errbuf, sizeof (errbuf), | |
860 | dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), | |
861 | zhp->zpool_name); | |
862 | ||
863 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) | |
864 | return (no_memory(zhp->zpool_hdl)); | |
865 | ||
866 | if (nvlist_add_string(nvl, propname, propval) != 0) { | |
867 | nvlist_free(nvl); | |
868 | return (no_memory(zhp->zpool_hdl)); | |
869 | } | |
870 | ||
871 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); | |
872 | if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, | |
873 | zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { | |
874 | nvlist_free(nvl); | |
875 | return (-1); | |
876 | } | |
877 | ||
878 | nvlist_free(nvl); | |
879 | nvl = realprops; | |
880 | ||
881 | /* | |
882 | * Execute the corresponding ioctl() to set this property. | |
883 | */ | |
884 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
885 | ||
886 | zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl); | |
887 | ||
888 | ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); | |
889 | ||
890 | zcmd_free_nvlists(&zc); | |
891 | nvlist_free(nvl); | |
892 | ||
893 | if (ret) | |
894 | (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); | |
895 | else | |
896 | (void) zpool_props_refresh(zhp); | |
897 | ||
898 | return (ret); | |
899 | } | |
900 | ||
901 | int | |
902 | zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp, | |
903 | zfs_type_t type, boolean_t literal) | |
904 | { | |
905 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
906 | zprop_list_t *entry; | |
907 | char buf[ZFS_MAXPROPLEN]; | |
908 | nvlist_t *features = NULL; | |
909 | nvpair_t *nvp; | |
910 | zprop_list_t **last; | |
911 | boolean_t firstexpand = (NULL == *plp); | |
912 | int i; | |
913 | ||
914 | if (zprop_expand_list(hdl, plp, type) != 0) | |
915 | return (-1); | |
916 | ||
917 | if (type == ZFS_TYPE_VDEV) | |
918 | return (0); | |
919 | ||
920 | last = plp; | |
921 | while (*last != NULL) | |
922 | last = &(*last)->pl_next; | |
923 | ||
924 | if ((*plp)->pl_all) | |
925 | features = zpool_get_features(zhp); | |
926 | ||
927 | if ((*plp)->pl_all && firstexpand) { | |
928 | /* Handle userprops in the all properties case */ | |
929 | if (zhp->zpool_props == NULL && zpool_props_refresh(zhp)) | |
930 | return (-1); | |
931 | ||
932 | nvp = NULL; | |
933 | while ((nvp = nvlist_next_nvpair(zhp->zpool_props, nvp)) != | |
934 | NULL) { | |
935 | const char *propname = nvpair_name(nvp); | |
936 | ||
937 | if (!zfs_prop_user(propname)) | |
938 | continue; | |
939 | ||
940 | entry = zfs_alloc(hdl, sizeof (zprop_list_t)); | |
941 | entry->pl_prop = ZPROP_USERPROP; | |
942 | entry->pl_user_prop = zfs_strdup(hdl, propname); | |
943 | entry->pl_width = strlen(entry->pl_user_prop); | |
944 | entry->pl_all = B_TRUE; | |
945 | ||
946 | *last = entry; | |
947 | last = &entry->pl_next; | |
948 | } | |
949 | ||
950 | for (i = 0; i < SPA_FEATURES; i++) { | |
951 | entry = zfs_alloc(hdl, sizeof (zprop_list_t)); | |
952 | entry->pl_prop = ZPROP_USERPROP; | |
953 | entry->pl_user_prop = zfs_asprintf(hdl, "feature@%s", | |
954 | spa_feature_table[i].fi_uname); | |
955 | entry->pl_width = strlen(entry->pl_user_prop); | |
956 | entry->pl_all = B_TRUE; | |
957 | ||
958 | *last = entry; | |
959 | last = &entry->pl_next; | |
960 | } | |
961 | } | |
962 | ||
963 | /* add any unsupported features */ | |
964 | for (nvp = nvlist_next_nvpair(features, NULL); | |
965 | nvp != NULL; nvp = nvlist_next_nvpair(features, nvp)) { | |
966 | char *propname; | |
967 | boolean_t found; | |
968 | ||
969 | if (zfeature_is_supported(nvpair_name(nvp))) | |
970 | continue; | |
971 | ||
972 | propname = zfs_asprintf(hdl, "unsupported@%s", | |
973 | nvpair_name(nvp)); | |
974 | ||
975 | /* | |
976 | * Before adding the property to the list make sure that no | |
977 | * other pool already added the same property. | |
978 | */ | |
979 | found = B_FALSE; | |
980 | entry = *plp; | |
981 | while (entry != NULL) { | |
982 | if (entry->pl_user_prop != NULL && | |
983 | strcmp(propname, entry->pl_user_prop) == 0) { | |
984 | found = B_TRUE; | |
985 | break; | |
986 | } | |
987 | entry = entry->pl_next; | |
988 | } | |
989 | if (found) { | |
990 | free(propname); | |
991 | continue; | |
992 | } | |
993 | ||
994 | entry = zfs_alloc(hdl, sizeof (zprop_list_t)); | |
995 | entry->pl_prop = ZPROP_USERPROP; | |
996 | entry->pl_user_prop = propname; | |
997 | entry->pl_width = strlen(entry->pl_user_prop); | |
998 | entry->pl_all = B_TRUE; | |
999 | ||
1000 | *last = entry; | |
1001 | last = &entry->pl_next; | |
1002 | } | |
1003 | ||
1004 | for (entry = *plp; entry != NULL; entry = entry->pl_next) { | |
1005 | if (entry->pl_fixed && !literal) | |
1006 | continue; | |
1007 | ||
1008 | if (entry->pl_prop != ZPROP_USERPROP && | |
1009 | zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), | |
1010 | NULL, literal) == 0) { | |
1011 | if (strlen(buf) > entry->pl_width) | |
1012 | entry->pl_width = strlen(buf); | |
1013 | } else if (entry->pl_prop == ZPROP_INVAL && | |
1014 | zfs_prop_user(entry->pl_user_prop) && | |
1015 | zpool_get_userprop(zhp, entry->pl_user_prop, buf, | |
1016 | sizeof (buf), NULL) == 0) { | |
1017 | if (strlen(buf) > entry->pl_width) | |
1018 | entry->pl_width = strlen(buf); | |
1019 | } | |
1020 | } | |
1021 | ||
1022 | return (0); | |
1023 | } | |
1024 | ||
1025 | int | |
1026 | vdev_expand_proplist(zpool_handle_t *zhp, const char *vdevname, | |
1027 | zprop_list_t **plp) | |
1028 | { | |
1029 | zprop_list_t *entry; | |
1030 | char buf[ZFS_MAXPROPLEN]; | |
1031 | const char *strval = NULL; | |
1032 | int err = 0; | |
1033 | nvpair_t *elem = NULL; | |
1034 | nvlist_t *vprops = NULL; | |
1035 | nvlist_t *propval = NULL; | |
1036 | const char *propname; | |
1037 | vdev_prop_t prop; | |
1038 | zprop_list_t **last; | |
1039 | ||
1040 | for (entry = *plp; entry != NULL; entry = entry->pl_next) { | |
1041 | if (entry->pl_fixed) | |
1042 | continue; | |
1043 | ||
1044 | if (zpool_get_vdev_prop(zhp, vdevname, entry->pl_prop, | |
1045 | entry->pl_user_prop, buf, sizeof (buf), NULL, | |
1046 | B_FALSE) == 0) { | |
1047 | if (strlen(buf) > entry->pl_width) | |
1048 | entry->pl_width = strlen(buf); | |
1049 | } | |
1050 | if (entry->pl_prop == VDEV_PROP_NAME && | |
1051 | strlen(vdevname) > entry->pl_width) | |
1052 | entry->pl_width = strlen(vdevname); | |
1053 | } | |
1054 | ||
1055 | /* Handle the all properties case */ | |
1056 | last = plp; | |
1057 | if (*last != NULL && (*last)->pl_all == B_TRUE) { | |
1058 | while (*last != NULL) | |
1059 | last = &(*last)->pl_next; | |
1060 | ||
1061 | err = zpool_get_all_vdev_props(zhp, vdevname, &vprops); | |
1062 | if (err != 0) | |
1063 | return (err); | |
1064 | ||
1065 | while ((elem = nvlist_next_nvpair(vprops, elem)) != NULL) { | |
1066 | propname = nvpair_name(elem); | |
1067 | ||
1068 | /* Skip properties that are not user defined */ | |
1069 | if ((prop = vdev_name_to_prop(propname)) != | |
1070 | VDEV_PROP_USERPROP) | |
1071 | continue; | |
1072 | ||
1073 | if (nvpair_value_nvlist(elem, &propval) != 0) | |
1074 | continue; | |
1075 | ||
1076 | strval = fnvlist_lookup_string(propval, ZPROP_VALUE); | |
1077 | ||
1078 | entry = zfs_alloc(zhp->zpool_hdl, | |
1079 | sizeof (zprop_list_t)); | |
1080 | entry->pl_prop = prop; | |
1081 | entry->pl_user_prop = zfs_strdup(zhp->zpool_hdl, | |
1082 | propname); | |
1083 | entry->pl_width = strlen(strval); | |
1084 | entry->pl_all = B_TRUE; | |
1085 | *last = entry; | |
1086 | last = &entry->pl_next; | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | return (0); | |
1091 | } | |
1092 | ||
1093 | /* | |
1094 | * Get the state for the given feature on the given ZFS pool. | |
1095 | */ | |
1096 | int | |
1097 | zpool_prop_get_feature(zpool_handle_t *zhp, const char *propname, char *buf, | |
1098 | size_t len) | |
1099 | { | |
1100 | uint64_t refcount; | |
1101 | boolean_t found = B_FALSE; | |
1102 | nvlist_t *features = zpool_get_features(zhp); | |
1103 | boolean_t supported; | |
1104 | const char *feature = strchr(propname, '@') + 1; | |
1105 | ||
1106 | supported = zpool_prop_feature(propname); | |
1107 | ASSERT(supported || zpool_prop_unsupported(propname)); | |
1108 | ||
1109 | /* | |
1110 | * Convert from feature name to feature guid. This conversion is | |
1111 | * unnecessary for unsupported@... properties because they already | |
1112 | * use guids. | |
1113 | */ | |
1114 | if (supported) { | |
1115 | int ret; | |
1116 | spa_feature_t fid; | |
1117 | ||
1118 | ret = zfeature_lookup_name(feature, &fid); | |
1119 | if (ret != 0) { | |
1120 | (void) strlcpy(buf, "-", len); | |
1121 | return (ENOTSUP); | |
1122 | } | |
1123 | feature = spa_feature_table[fid].fi_guid; | |
1124 | } | |
1125 | ||
1126 | if (nvlist_lookup_uint64(features, feature, &refcount) == 0) | |
1127 | found = B_TRUE; | |
1128 | ||
1129 | if (supported) { | |
1130 | if (!found) { | |
1131 | (void) strlcpy(buf, ZFS_FEATURE_DISABLED, len); | |
1132 | } else { | |
1133 | if (refcount == 0) | |
1134 | (void) strlcpy(buf, ZFS_FEATURE_ENABLED, len); | |
1135 | else | |
1136 | (void) strlcpy(buf, ZFS_FEATURE_ACTIVE, len); | |
1137 | } | |
1138 | } else { | |
1139 | if (found) { | |
1140 | if (refcount == 0) { | |
1141 | (void) strcpy(buf, ZFS_UNSUPPORTED_INACTIVE); | |
1142 | } else { | |
1143 | (void) strcpy(buf, ZFS_UNSUPPORTED_READONLY); | |
1144 | } | |
1145 | } else { | |
1146 | (void) strlcpy(buf, "-", len); | |
1147 | return (ENOTSUP); | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | return (0); | |
1152 | } | |
1153 | ||
1154 | /* | |
1155 | * Validate the given pool name, optionally putting an extended error message in | |
1156 | * 'buf'. | |
1157 | */ | |
1158 | boolean_t | |
1159 | zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) | |
1160 | { | |
1161 | namecheck_err_t why; | |
1162 | char what; | |
1163 | int ret; | |
1164 | ||
1165 | ret = pool_namecheck(pool, &why, &what); | |
1166 | ||
1167 | /* | |
1168 | * The rules for reserved pool names were extended at a later point. | |
1169 | * But we need to support users with existing pools that may now be | |
1170 | * invalid. So we only check for this expanded set of names during a | |
1171 | * create (or import), and only in userland. | |
1172 | */ | |
1173 | if (ret == 0 && !isopen && | |
1174 | (strncmp(pool, "mirror", 6) == 0 || | |
1175 | strncmp(pool, "raidz", 5) == 0 || | |
1176 | strncmp(pool, "draid", 5) == 0 || | |
1177 | strncmp(pool, "spare", 5) == 0 || | |
1178 | strcmp(pool, "log") == 0)) { | |
1179 | if (hdl != NULL) | |
1180 | zfs_error_aux(hdl, | |
1181 | dgettext(TEXT_DOMAIN, "name is reserved")); | |
1182 | return (B_FALSE); | |
1183 | } | |
1184 | ||
1185 | ||
1186 | if (ret != 0) { | |
1187 | if (hdl != NULL) { | |
1188 | switch (why) { | |
1189 | case NAME_ERR_TOOLONG: | |
1190 | zfs_error_aux(hdl, | |
1191 | dgettext(TEXT_DOMAIN, "name is too long")); | |
1192 | break; | |
1193 | ||
1194 | case NAME_ERR_INVALCHAR: | |
1195 | zfs_error_aux(hdl, | |
1196 | dgettext(TEXT_DOMAIN, "invalid character " | |
1197 | "'%c' in pool name"), what); | |
1198 | break; | |
1199 | ||
1200 | case NAME_ERR_NOLETTER: | |
1201 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1202 | "name must begin with a letter")); | |
1203 | break; | |
1204 | ||
1205 | case NAME_ERR_RESERVED: | |
1206 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1207 | "name is reserved")); | |
1208 | break; | |
1209 | ||
1210 | case NAME_ERR_DISKLIKE: | |
1211 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1212 | "pool name is reserved")); | |
1213 | break; | |
1214 | ||
1215 | case NAME_ERR_LEADING_SLASH: | |
1216 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1217 | "leading slash in name")); | |
1218 | break; | |
1219 | ||
1220 | case NAME_ERR_EMPTY_COMPONENT: | |
1221 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1222 | "empty component in name")); | |
1223 | break; | |
1224 | ||
1225 | case NAME_ERR_TRAILING_SLASH: | |
1226 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1227 | "trailing slash in name")); | |
1228 | break; | |
1229 | ||
1230 | case NAME_ERR_MULTIPLE_DELIMITERS: | |
1231 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1232 | "multiple '@' and/or '#' delimiters in " | |
1233 | "name")); | |
1234 | break; | |
1235 | ||
1236 | case NAME_ERR_NO_AT: | |
1237 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1238 | "permission set is missing '@'")); | |
1239 | break; | |
1240 | ||
1241 | default: | |
1242 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1243 | "(%d) not defined"), why); | |
1244 | break; | |
1245 | } | |
1246 | } | |
1247 | return (B_FALSE); | |
1248 | } | |
1249 | ||
1250 | return (B_TRUE); | |
1251 | } | |
1252 | ||
1253 | /* | |
1254 | * Open a handle to the given pool, even if the pool is currently in the FAULTED | |
1255 | * state. | |
1256 | */ | |
1257 | zpool_handle_t * | |
1258 | zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) | |
1259 | { | |
1260 | zpool_handle_t *zhp; | |
1261 | boolean_t missing; | |
1262 | ||
1263 | /* | |
1264 | * Make sure the pool name is valid. | |
1265 | */ | |
1266 | if (!zpool_name_valid(hdl, B_TRUE, pool)) { | |
1267 | (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
1268 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), | |
1269 | pool); | |
1270 | return (NULL); | |
1271 | } | |
1272 | ||
1273 | zhp = zfs_alloc(hdl, sizeof (zpool_handle_t)); | |
1274 | ||
1275 | zhp->zpool_hdl = hdl; | |
1276 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
1277 | ||
1278 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
1279 | zpool_close(zhp); | |
1280 | return (NULL); | |
1281 | } | |
1282 | ||
1283 | if (missing) { | |
1284 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); | |
1285 | (void) zfs_error_fmt(hdl, EZFS_NOENT, | |
1286 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); | |
1287 | zpool_close(zhp); | |
1288 | return (NULL); | |
1289 | } | |
1290 | ||
1291 | return (zhp); | |
1292 | } | |
1293 | ||
1294 | /* | |
1295 | * Like the above, but silent on error. Used when iterating over pools (because | |
1296 | * the configuration cache may be out of date). | |
1297 | */ | |
1298 | int | |
1299 | zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) | |
1300 | { | |
1301 | zpool_handle_t *zhp; | |
1302 | boolean_t missing; | |
1303 | ||
1304 | zhp = zfs_alloc(hdl, sizeof (zpool_handle_t)); | |
1305 | ||
1306 | zhp->zpool_hdl = hdl; | |
1307 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
1308 | ||
1309 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
1310 | zpool_close(zhp); | |
1311 | return (-1); | |
1312 | } | |
1313 | ||
1314 | if (missing) { | |
1315 | zpool_close(zhp); | |
1316 | *ret = NULL; | |
1317 | return (0); | |
1318 | } | |
1319 | ||
1320 | *ret = zhp; | |
1321 | return (0); | |
1322 | } | |
1323 | ||
1324 | /* | |
1325 | * Similar to zpool_open_canfail(), but refuses to open pools in the faulted | |
1326 | * state. | |
1327 | */ | |
1328 | zpool_handle_t * | |
1329 | zpool_open(libzfs_handle_t *hdl, const char *pool) | |
1330 | { | |
1331 | zpool_handle_t *zhp; | |
1332 | ||
1333 | if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) | |
1334 | return (NULL); | |
1335 | ||
1336 | if (zhp->zpool_state == POOL_STATE_UNAVAIL) { | |
1337 | (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
1338 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); | |
1339 | zpool_close(zhp); | |
1340 | return (NULL); | |
1341 | } | |
1342 | ||
1343 | return (zhp); | |
1344 | } | |
1345 | ||
1346 | /* | |
1347 | * Close the handle. Simply frees the memory associated with the handle. | |
1348 | */ | |
1349 | void | |
1350 | zpool_close(zpool_handle_t *zhp) | |
1351 | { | |
1352 | nvlist_free(zhp->zpool_config); | |
1353 | nvlist_free(zhp->zpool_old_config); | |
1354 | nvlist_free(zhp->zpool_props); | |
1355 | free(zhp); | |
1356 | } | |
1357 | ||
1358 | /* | |
1359 | * Return the name of the pool. | |
1360 | */ | |
1361 | const char * | |
1362 | zpool_get_name(zpool_handle_t *zhp) | |
1363 | { | |
1364 | return (zhp->zpool_name); | |
1365 | } | |
1366 | ||
1367 | ||
1368 | /* | |
1369 | * Return the state of the pool (ACTIVE or UNAVAILABLE) | |
1370 | */ | |
1371 | int | |
1372 | zpool_get_state(zpool_handle_t *zhp) | |
1373 | { | |
1374 | return (zhp->zpool_state); | |
1375 | } | |
1376 | ||
1377 | /* | |
1378 | * Check if vdev list contains a special vdev | |
1379 | */ | |
1380 | static boolean_t | |
1381 | zpool_has_special_vdev(nvlist_t *nvroot) | |
1382 | { | |
1383 | nvlist_t **child; | |
1384 | uint_t children; | |
1385 | ||
1386 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, &child, | |
1387 | &children) == 0) { | |
1388 | for (uint_t c = 0; c < children; c++) { | |
1389 | const char *bias; | |
1390 | ||
1391 | if (nvlist_lookup_string(child[c], | |
1392 | ZPOOL_CONFIG_ALLOCATION_BIAS, &bias) == 0 && | |
1393 | strcmp(bias, VDEV_ALLOC_BIAS_SPECIAL) == 0) { | |
1394 | return (B_TRUE); | |
1395 | } | |
1396 | } | |
1397 | } | |
1398 | return (B_FALSE); | |
1399 | } | |
1400 | ||
1401 | /* | |
1402 | * Check if vdev list contains a dRAID vdev | |
1403 | */ | |
1404 | static boolean_t | |
1405 | zpool_has_draid_vdev(nvlist_t *nvroot) | |
1406 | { | |
1407 | nvlist_t **child; | |
1408 | uint_t children; | |
1409 | ||
1410 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
1411 | &child, &children) == 0) { | |
1412 | for (uint_t c = 0; c < children; c++) { | |
1413 | const char *type; | |
1414 | ||
1415 | if (nvlist_lookup_string(child[c], | |
1416 | ZPOOL_CONFIG_TYPE, &type) == 0 && | |
1417 | strcmp(type, VDEV_TYPE_DRAID) == 0) { | |
1418 | return (B_TRUE); | |
1419 | } | |
1420 | } | |
1421 | } | |
1422 | return (B_FALSE); | |
1423 | } | |
1424 | ||
1425 | /* | |
1426 | * Output a dRAID top-level vdev name in to the provided buffer. | |
1427 | */ | |
1428 | static char * | |
1429 | zpool_draid_name(char *name, int len, uint64_t data, uint64_t parity, | |
1430 | uint64_t spares, uint64_t children) | |
1431 | { | |
1432 | snprintf(name, len, "%s%llu:%llud:%lluc:%llus", | |
1433 | VDEV_TYPE_DRAID, (u_longlong_t)parity, (u_longlong_t)data, | |
1434 | (u_longlong_t)children, (u_longlong_t)spares); | |
1435 | ||
1436 | return (name); | |
1437 | } | |
1438 | ||
1439 | /* | |
1440 | * Return B_TRUE if the provided name is a dRAID spare name. | |
1441 | */ | |
1442 | boolean_t | |
1443 | zpool_is_draid_spare(const char *name) | |
1444 | { | |
1445 | uint64_t spare_id, parity, vdev_id; | |
1446 | ||
1447 | if (sscanf(name, VDEV_TYPE_DRAID "%llu-%llu-%llu", | |
1448 | (u_longlong_t *)&parity, (u_longlong_t *)&vdev_id, | |
1449 | (u_longlong_t *)&spare_id) == 3) { | |
1450 | return (B_TRUE); | |
1451 | } | |
1452 | ||
1453 | return (B_FALSE); | |
1454 | } | |
1455 | ||
1456 | /* | |
1457 | * Create the named pool, using the provided vdev list. It is assumed | |
1458 | * that the consumer has already validated the contents of the nvlist, so we | |
1459 | * don't have to worry about error semantics. | |
1460 | */ | |
1461 | int | |
1462 | zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, | |
1463 | nvlist_t *props, nvlist_t *fsprops) | |
1464 | { | |
1465 | zfs_cmd_t zc = {"\0"}; | |
1466 | nvlist_t *zc_fsprops = NULL; | |
1467 | nvlist_t *zc_props = NULL; | |
1468 | nvlist_t *hidden_args = NULL; | |
1469 | uint8_t *wkeydata = NULL; | |
1470 | uint_t wkeylen = 0; | |
1471 | char errbuf[ERRBUFLEN]; | |
1472 | int ret = -1; | |
1473 | ||
1474 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1475 | "cannot create '%s'"), pool); | |
1476 | ||
1477 | if (!zpool_name_valid(hdl, B_FALSE, pool)) | |
1478 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
1479 | ||
1480 | zcmd_write_conf_nvlist(hdl, &zc, nvroot); | |
1481 | ||
1482 | if (props) { | |
1483 | prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; | |
1484 | ||
1485 | if ((zc_props = zpool_valid_proplist(hdl, pool, props, | |
1486 | SPA_VERSION_1, flags, errbuf)) == NULL) { | |
1487 | goto create_failed; | |
1488 | } | |
1489 | } | |
1490 | ||
1491 | if (fsprops) { | |
1492 | uint64_t zoned; | |
1493 | const char *zonestr; | |
1494 | ||
1495 | zoned = ((nvlist_lookup_string(fsprops, | |
1496 | zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && | |
1497 | strcmp(zonestr, "on") == 0); | |
1498 | ||
1499 | if ((zc_fsprops = zfs_valid_proplist(hdl, ZFS_TYPE_FILESYSTEM, | |
1500 | fsprops, zoned, NULL, NULL, B_TRUE, errbuf)) == NULL) { | |
1501 | goto create_failed; | |
1502 | } | |
1503 | ||
1504 | if (nvlist_exists(zc_fsprops, | |
1505 | zfs_prop_to_name(ZFS_PROP_SPECIAL_SMALL_BLOCKS)) && | |
1506 | !zpool_has_special_vdev(nvroot)) { | |
1507 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1508 | "%s property requires a special vdev"), | |
1509 | zfs_prop_to_name(ZFS_PROP_SPECIAL_SMALL_BLOCKS)); | |
1510 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
1511 | goto create_failed; | |
1512 | } | |
1513 | ||
1514 | if (!zc_props && | |
1515 | (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { | |
1516 | goto create_failed; | |
1517 | } | |
1518 | if (zfs_crypto_create(hdl, NULL, zc_fsprops, props, B_TRUE, | |
1519 | &wkeydata, &wkeylen) != 0) { | |
1520 | zfs_error(hdl, EZFS_CRYPTOFAILED, errbuf); | |
1521 | goto create_failed; | |
1522 | } | |
1523 | if (nvlist_add_nvlist(zc_props, | |
1524 | ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { | |
1525 | goto create_failed; | |
1526 | } | |
1527 | if (wkeydata != NULL) { | |
1528 | if (nvlist_alloc(&hidden_args, NV_UNIQUE_NAME, 0) != 0) | |
1529 | goto create_failed; | |
1530 | ||
1531 | if (nvlist_add_uint8_array(hidden_args, "wkeydata", | |
1532 | wkeydata, wkeylen) != 0) | |
1533 | goto create_failed; | |
1534 | ||
1535 | if (nvlist_add_nvlist(zc_props, ZPOOL_HIDDEN_ARGS, | |
1536 | hidden_args) != 0) | |
1537 | goto create_failed; | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | if (zc_props) | |
1542 | zcmd_write_src_nvlist(hdl, &zc, zc_props); | |
1543 | ||
1544 | (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); | |
1545 | ||
1546 | if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { | |
1547 | ||
1548 | zcmd_free_nvlists(&zc); | |
1549 | nvlist_free(zc_props); | |
1550 | nvlist_free(zc_fsprops); | |
1551 | nvlist_free(hidden_args); | |
1552 | if (wkeydata != NULL) | |
1553 | free(wkeydata); | |
1554 | ||
1555 | switch (errno) { | |
1556 | case EBUSY: | |
1557 | /* | |
1558 | * This can happen if the user has specified the same | |
1559 | * device multiple times. We can't reliably detect this | |
1560 | * until we try to add it and see we already have a | |
1561 | * label. This can also happen under if the device is | |
1562 | * part of an active md or lvm device. | |
1563 | */ | |
1564 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1565 | "one or more vdevs refer to the same device, or " | |
1566 | "one of\nthe devices is part of an active md or " | |
1567 | "lvm device")); | |
1568 | return (zfs_error(hdl, EZFS_BADDEV, errbuf)); | |
1569 | ||
1570 | case ERANGE: | |
1571 | /* | |
1572 | * This happens if the record size is smaller or larger | |
1573 | * than the allowed size range, or not a power of 2. | |
1574 | * | |
1575 | * NOTE: although zfs_valid_proplist is called earlier, | |
1576 | * this case may have slipped through since the | |
1577 | * pool does not exist yet and it is therefore | |
1578 | * impossible to read properties e.g. max blocksize | |
1579 | * from the pool. | |
1580 | */ | |
1581 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1582 | "record size invalid")); | |
1583 | return (zfs_error(hdl, EZFS_BADPROP, errbuf)); | |
1584 | ||
1585 | case EOVERFLOW: | |
1586 | /* | |
1587 | * This occurs when one of the devices is below | |
1588 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1589 | * device was the problem device since there's no | |
1590 | * reliable way to determine device size from userland. | |
1591 | */ | |
1592 | { | |
1593 | char buf[64]; | |
1594 | ||
1595 | zfs_nicebytes(SPA_MINDEVSIZE, buf, | |
1596 | sizeof (buf)); | |
1597 | ||
1598 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1599 | "one or more devices is less than the " | |
1600 | "minimum size (%s)"), buf); | |
1601 | } | |
1602 | return (zfs_error(hdl, EZFS_BADDEV, errbuf)); | |
1603 | ||
1604 | case ENOSPC: | |
1605 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1606 | "one or more devices is out of space")); | |
1607 | return (zfs_error(hdl, EZFS_BADDEV, errbuf)); | |
1608 | ||
1609 | case EINVAL: | |
1610 | if (zpool_has_draid_vdev(nvroot) && | |
1611 | zfeature_lookup_name("draid", NULL) != 0) { | |
1612 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1613 | "dRAID vdevs are unsupported by the " | |
1614 | "kernel")); | |
1615 | return (zfs_error(hdl, EZFS_BADDEV, errbuf)); | |
1616 | } else { | |
1617 | return (zpool_standard_error(hdl, errno, | |
1618 | errbuf)); | |
1619 | } | |
1620 | ||
1621 | default: | |
1622 | return (zpool_standard_error(hdl, errno, errbuf)); | |
1623 | } | |
1624 | } | |
1625 | ||
1626 | create_failed: | |
1627 | zcmd_free_nvlists(&zc); | |
1628 | nvlist_free(zc_props); | |
1629 | nvlist_free(zc_fsprops); | |
1630 | nvlist_free(hidden_args); | |
1631 | if (wkeydata != NULL) | |
1632 | free(wkeydata); | |
1633 | return (ret); | |
1634 | } | |
1635 | ||
1636 | /* | |
1637 | * Destroy the given pool. It is up to the caller to ensure that there are no | |
1638 | * datasets left in the pool. | |
1639 | */ | |
1640 | int | |
1641 | zpool_destroy(zpool_handle_t *zhp, const char *log_str) | |
1642 | { | |
1643 | zfs_cmd_t zc = {"\0"}; | |
1644 | zfs_handle_t *zfp = NULL; | |
1645 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1646 | char errbuf[ERRBUFLEN]; | |
1647 | ||
1648 | if (zhp->zpool_state == POOL_STATE_ACTIVE && | |
1649 | (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) | |
1650 | return (-1); | |
1651 | ||
1652 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1653 | zc.zc_history = (uint64_t)(uintptr_t)log_str; | |
1654 | ||
1655 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { | |
1656 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1657 | "cannot destroy '%s'"), zhp->zpool_name); | |
1658 | ||
1659 | if (errno == EROFS) { | |
1660 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1661 | "one or more devices is read only")); | |
1662 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
1663 | } else { | |
1664 | (void) zpool_standard_error(hdl, errno, errbuf); | |
1665 | } | |
1666 | ||
1667 | if (zfp) | |
1668 | zfs_close(zfp); | |
1669 | return (-1); | |
1670 | } | |
1671 | ||
1672 | if (zfp) { | |
1673 | remove_mountpoint(zfp); | |
1674 | zfs_close(zfp); | |
1675 | } | |
1676 | ||
1677 | return (0); | |
1678 | } | |
1679 | ||
1680 | /* | |
1681 | * Create a checkpoint in the given pool. | |
1682 | */ | |
1683 | int | |
1684 | zpool_checkpoint(zpool_handle_t *zhp) | |
1685 | { | |
1686 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1687 | char errbuf[ERRBUFLEN]; | |
1688 | int error; | |
1689 | ||
1690 | error = lzc_pool_checkpoint(zhp->zpool_name); | |
1691 | if (error != 0) { | |
1692 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1693 | "cannot checkpoint '%s'"), zhp->zpool_name); | |
1694 | (void) zpool_standard_error(hdl, error, errbuf); | |
1695 | return (-1); | |
1696 | } | |
1697 | ||
1698 | return (0); | |
1699 | } | |
1700 | ||
1701 | /* | |
1702 | * Discard the checkpoint from the given pool. | |
1703 | */ | |
1704 | int | |
1705 | zpool_discard_checkpoint(zpool_handle_t *zhp) | |
1706 | { | |
1707 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1708 | char errbuf[ERRBUFLEN]; | |
1709 | int error; | |
1710 | ||
1711 | error = lzc_pool_checkpoint_discard(zhp->zpool_name); | |
1712 | if (error != 0) { | |
1713 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1714 | "cannot discard checkpoint in '%s'"), zhp->zpool_name); | |
1715 | (void) zpool_standard_error(hdl, error, errbuf); | |
1716 | return (-1); | |
1717 | } | |
1718 | ||
1719 | return (0); | |
1720 | } | |
1721 | ||
1722 | /* | |
1723 | * Add the given vdevs to the pool. The caller must have already performed the | |
1724 | * necessary verification to ensure that the vdev specification is well-formed. | |
1725 | */ | |
1726 | int | |
1727 | zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot, boolean_t check_ashift) | |
1728 | { | |
1729 | zfs_cmd_t zc = {"\0"}; | |
1730 | int ret; | |
1731 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1732 | char errbuf[ERRBUFLEN]; | |
1733 | nvlist_t **spares, **l2cache; | |
1734 | uint_t nspares, nl2cache; | |
1735 | ||
1736 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1737 | "cannot add to '%s'"), zhp->zpool_name); | |
1738 | ||
1739 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < | |
1740 | SPA_VERSION_SPARES && | |
1741 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
1742 | &spares, &nspares) == 0) { | |
1743 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1744 | "upgraded to add hot spares")); | |
1745 | return (zfs_error(hdl, EZFS_BADVERSION, errbuf)); | |
1746 | } | |
1747 | ||
1748 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < | |
1749 | SPA_VERSION_L2CACHE && | |
1750 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
1751 | &l2cache, &nl2cache) == 0) { | |
1752 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1753 | "upgraded to add cache devices")); | |
1754 | return (zfs_error(hdl, EZFS_BADVERSION, errbuf)); | |
1755 | } | |
1756 | ||
1757 | zcmd_write_conf_nvlist(hdl, &zc, nvroot); | |
1758 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1759 | zc.zc_flags = check_ashift; | |
1760 | ||
1761 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { | |
1762 | switch (errno) { | |
1763 | case EBUSY: | |
1764 | /* | |
1765 | * This can happen if the user has specified the same | |
1766 | * device multiple times. We can't reliably detect this | |
1767 | * until we try to add it and see we already have a | |
1768 | * label. | |
1769 | */ | |
1770 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1771 | "one or more vdevs refer to the same device")); | |
1772 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
1773 | break; | |
1774 | ||
1775 | case EINVAL: | |
1776 | ||
1777 | if (zpool_has_draid_vdev(nvroot) && | |
1778 | zfeature_lookup_name("draid", NULL) != 0) { | |
1779 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1780 | "dRAID vdevs are unsupported by the " | |
1781 | "kernel")); | |
1782 | } else { | |
1783 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1784 | "invalid config; a pool with removing/" | |
1785 | "removed vdevs does not support adding " | |
1786 | "raidz or dRAID vdevs")); | |
1787 | } | |
1788 | ||
1789 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
1790 | break; | |
1791 | ||
1792 | case EOVERFLOW: | |
1793 | /* | |
1794 | * This occurs when one of the devices is below | |
1795 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1796 | * device was the problem device since there's no | |
1797 | * reliable way to determine device size from userland. | |
1798 | */ | |
1799 | { | |
1800 | char buf[64]; | |
1801 | ||
1802 | zfs_nicebytes(SPA_MINDEVSIZE, buf, | |
1803 | sizeof (buf)); | |
1804 | ||
1805 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1806 | "device is less than the minimum " | |
1807 | "size (%s)"), buf); | |
1808 | } | |
1809 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
1810 | break; | |
1811 | ||
1812 | case ENOTSUP: | |
1813 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1814 | "pool must be upgraded to add these vdevs")); | |
1815 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
1816 | break; | |
1817 | ||
1818 | default: | |
1819 | (void) zpool_standard_error(hdl, errno, errbuf); | |
1820 | } | |
1821 | ||
1822 | ret = -1; | |
1823 | } else { | |
1824 | ret = 0; | |
1825 | } | |
1826 | ||
1827 | zcmd_free_nvlists(&zc); | |
1828 | ||
1829 | return (ret); | |
1830 | } | |
1831 | ||
1832 | /* | |
1833 | * Exports the pool from the system. The caller must ensure that there are no | |
1834 | * mounted datasets in the pool. | |
1835 | */ | |
1836 | static int | |
1837 | zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce, | |
1838 | const char *log_str) | |
1839 | { | |
1840 | zfs_cmd_t zc = {"\0"}; | |
1841 | ||
1842 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1843 | zc.zc_cookie = force; | |
1844 | zc.zc_guid = hardforce; | |
1845 | zc.zc_history = (uint64_t)(uintptr_t)log_str; | |
1846 | ||
1847 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { | |
1848 | switch (errno) { | |
1849 | case EXDEV: | |
1850 | zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, | |
1851 | "use '-f' to override the following errors:\n" | |
1852 | "'%s' has an active shared spare which could be" | |
1853 | " used by other pools once '%s' is exported."), | |
1854 | zhp->zpool_name, zhp->zpool_name); | |
1855 | return (zfs_error_fmt(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, | |
1856 | dgettext(TEXT_DOMAIN, "cannot export '%s'"), | |
1857 | zhp->zpool_name)); | |
1858 | default: | |
1859 | return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, | |
1860 | dgettext(TEXT_DOMAIN, "cannot export '%s'"), | |
1861 | zhp->zpool_name)); | |
1862 | } | |
1863 | } | |
1864 | ||
1865 | return (0); | |
1866 | } | |
1867 | ||
1868 | int | |
1869 | zpool_export(zpool_handle_t *zhp, boolean_t force, const char *log_str) | |
1870 | { | |
1871 | return (zpool_export_common(zhp, force, B_FALSE, log_str)); | |
1872 | } | |
1873 | ||
1874 | int | |
1875 | zpool_export_force(zpool_handle_t *zhp, const char *log_str) | |
1876 | { | |
1877 | return (zpool_export_common(zhp, B_TRUE, B_TRUE, log_str)); | |
1878 | } | |
1879 | ||
1880 | static void | |
1881 | zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, | |
1882 | nvlist_t *config) | |
1883 | { | |
1884 | nvlist_t *nv = NULL; | |
1885 | uint64_t rewindto; | |
1886 | int64_t loss = -1; | |
1887 | struct tm t; | |
1888 | char timestr[128]; | |
1889 | ||
1890 | if (!hdl->libzfs_printerr || config == NULL) | |
1891 | return; | |
1892 | ||
1893 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || | |
1894 | nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0) { | |
1895 | return; | |
1896 | } | |
1897 | ||
1898 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) | |
1899 | return; | |
1900 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); | |
1901 | ||
1902 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
1903 | ctime_r((time_t *)&rewindto, timestr) != NULL) { | |
1904 | timestr[24] = 0; | |
1905 | if (dryrun) { | |
1906 | (void) printf(dgettext(TEXT_DOMAIN, | |
1907 | "Would be able to return %s " | |
1908 | "to its state as of %s.\n"), | |
1909 | name, timestr); | |
1910 | } else { | |
1911 | (void) printf(dgettext(TEXT_DOMAIN, | |
1912 | "Pool %s returned to its state as of %s.\n"), | |
1913 | name, timestr); | |
1914 | } | |
1915 | if (loss > 120) { | |
1916 | (void) printf(dgettext(TEXT_DOMAIN, | |
1917 | "%s approximately %lld "), | |
1918 | dryrun ? "Would discard" : "Discarded", | |
1919 | ((longlong_t)loss + 30) / 60); | |
1920 | (void) printf(dgettext(TEXT_DOMAIN, | |
1921 | "minutes of transactions.\n")); | |
1922 | } else if (loss > 0) { | |
1923 | (void) printf(dgettext(TEXT_DOMAIN, | |
1924 | "%s approximately %lld "), | |
1925 | dryrun ? "Would discard" : "Discarded", | |
1926 | (longlong_t)loss); | |
1927 | (void) printf(dgettext(TEXT_DOMAIN, | |
1928 | "seconds of transactions.\n")); | |
1929 | } | |
1930 | } | |
1931 | } | |
1932 | ||
1933 | void | |
1934 | zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, | |
1935 | nvlist_t *config) | |
1936 | { | |
1937 | nvlist_t *nv = NULL; | |
1938 | int64_t loss = -1; | |
1939 | uint64_t edata = UINT64_MAX; | |
1940 | uint64_t rewindto; | |
1941 | struct tm t; | |
1942 | char timestr[128]; | |
1943 | ||
1944 | if (!hdl->libzfs_printerr) | |
1945 | return; | |
1946 | ||
1947 | if (reason >= 0) | |
1948 | (void) printf(dgettext(TEXT_DOMAIN, "action: ")); | |
1949 | else | |
1950 | (void) printf(dgettext(TEXT_DOMAIN, "\t")); | |
1951 | ||
1952 | /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ | |
1953 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || | |
1954 | nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0 || | |
1955 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) | |
1956 | goto no_info; | |
1957 | ||
1958 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); | |
1959 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, | |
1960 | &edata); | |
1961 | ||
1962 | (void) printf(dgettext(TEXT_DOMAIN, | |
1963 | "Recovery is possible, but will result in some data loss.\n")); | |
1964 | ||
1965 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
1966 | ctime_r((time_t *)&rewindto, timestr) != NULL) { | |
1967 | timestr[24] = 0; | |
1968 | (void) printf(dgettext(TEXT_DOMAIN, | |
1969 | "\tReturning the pool to its state as of %s\n" | |
1970 | "\tshould correct the problem. "), | |
1971 | timestr); | |
1972 | } else { | |
1973 | (void) printf(dgettext(TEXT_DOMAIN, | |
1974 | "\tReverting the pool to an earlier state " | |
1975 | "should correct the problem.\n\t")); | |
1976 | } | |
1977 | ||
1978 | if (loss > 120) { | |
1979 | (void) printf(dgettext(TEXT_DOMAIN, | |
1980 | "Approximately %lld minutes of data\n" | |
1981 | "\tmust be discarded, irreversibly. "), | |
1982 | ((longlong_t)loss + 30) / 60); | |
1983 | } else if (loss > 0) { | |
1984 | (void) printf(dgettext(TEXT_DOMAIN, | |
1985 | "Approximately %lld seconds of data\n" | |
1986 | "\tmust be discarded, irreversibly. "), | |
1987 | (longlong_t)loss); | |
1988 | } | |
1989 | if (edata != 0 && edata != UINT64_MAX) { | |
1990 | if (edata == 1) { | |
1991 | (void) printf(dgettext(TEXT_DOMAIN, | |
1992 | "After rewind, at least\n" | |
1993 | "\tone persistent user-data error will remain. ")); | |
1994 | } else { | |
1995 | (void) printf(dgettext(TEXT_DOMAIN, | |
1996 | "After rewind, several\n" | |
1997 | "\tpersistent user-data errors will remain. ")); | |
1998 | } | |
1999 | } | |
2000 | (void) printf(dgettext(TEXT_DOMAIN, | |
2001 | "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), | |
2002 | reason >= 0 ? "clear" : "import", name); | |
2003 | ||
2004 | (void) printf(dgettext(TEXT_DOMAIN, | |
2005 | "A scrub of the pool\n" | |
2006 | "\tis strongly recommended after recovery.\n")); | |
2007 | return; | |
2008 | ||
2009 | no_info: | |
2010 | (void) printf(dgettext(TEXT_DOMAIN, | |
2011 | "Destroy and re-create the pool from\n\ta backup source.\n")); | |
2012 | } | |
2013 | ||
2014 | /* | |
2015 | * zpool_import() is a contracted interface. Should be kept the same | |
2016 | * if possible. | |
2017 | * | |
2018 | * Applications should use zpool_import_props() to import a pool with | |
2019 | * new properties value to be set. | |
2020 | */ | |
2021 | int | |
2022 | zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
2023 | char *altroot) | |
2024 | { | |
2025 | nvlist_t *props = NULL; | |
2026 | int ret; | |
2027 | ||
2028 | if (altroot != NULL) { | |
2029 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { | |
2030 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
2031 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
2032 | newname)); | |
2033 | } | |
2034 | ||
2035 | if (nvlist_add_string(props, | |
2036 | zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || | |
2037 | nvlist_add_string(props, | |
2038 | zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { | |
2039 | nvlist_free(props); | |
2040 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
2041 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
2042 | newname)); | |
2043 | } | |
2044 | } | |
2045 | ||
2046 | ret = zpool_import_props(hdl, config, newname, props, | |
2047 | ZFS_IMPORT_NORMAL); | |
2048 | nvlist_free(props); | |
2049 | return (ret); | |
2050 | } | |
2051 | ||
2052 | static void | |
2053 | print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, | |
2054 | int indent) | |
2055 | { | |
2056 | nvlist_t **child; | |
2057 | uint_t c, children; | |
2058 | char *vname; | |
2059 | uint64_t is_log = 0; | |
2060 | ||
2061 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, | |
2062 | &is_log); | |
2063 | ||
2064 | if (name != NULL) | |
2065 | (void) printf("\t%*s%s%s\n", indent, "", name, | |
2066 | is_log ? " [log]" : ""); | |
2067 | ||
2068 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
2069 | &child, &children) != 0) | |
2070 | return; | |
2071 | ||
2072 | for (c = 0; c < children; c++) { | |
2073 | vname = zpool_vdev_name(hdl, NULL, child[c], VDEV_NAME_TYPE_ID); | |
2074 | print_vdev_tree(hdl, vname, child[c], indent + 2); | |
2075 | free(vname); | |
2076 | } | |
2077 | } | |
2078 | ||
2079 | void | |
2080 | zpool_print_unsup_feat(nvlist_t *config) | |
2081 | { | |
2082 | nvlist_t *nvinfo, *unsup_feat; | |
2083 | ||
2084 | nvinfo = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO); | |
2085 | unsup_feat = fnvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT); | |
2086 | ||
2087 | for (nvpair_t *nvp = nvlist_next_nvpair(unsup_feat, NULL); | |
2088 | nvp != NULL; nvp = nvlist_next_nvpair(unsup_feat, nvp)) { | |
2089 | const char *desc = fnvpair_value_string(nvp); | |
2090 | if (strlen(desc) > 0) | |
2091 | (void) printf("\t%s (%s)\n", nvpair_name(nvp), desc); | |
2092 | else | |
2093 | (void) printf("\t%s\n", nvpair_name(nvp)); | |
2094 | } | |
2095 | } | |
2096 | ||
2097 | /* | |
2098 | * Import the given pool using the known configuration and a list of | |
2099 | * properties to be set. The configuration should have come from | |
2100 | * zpool_find_import(). The 'newname' parameters control whether the pool | |
2101 | * is imported with a different name. | |
2102 | */ | |
2103 | int | |
2104 | zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
2105 | nvlist_t *props, int flags) | |
2106 | { | |
2107 | zfs_cmd_t zc = {"\0"}; | |
2108 | zpool_load_policy_t policy; | |
2109 | nvlist_t *nv = NULL; | |
2110 | nvlist_t *nvinfo = NULL; | |
2111 | nvlist_t *missing = NULL; | |
2112 | const char *thename; | |
2113 | const char *origname; | |
2114 | int ret; | |
2115 | int error = 0; | |
2116 | char errbuf[ERRBUFLEN]; | |
2117 | ||
2118 | origname = fnvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME); | |
2119 | ||
2120 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
2121 | "cannot import pool '%s'"), origname); | |
2122 | ||
2123 | if (newname != NULL) { | |
2124 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
2125 | return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
2126 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
2127 | newname)); | |
2128 | thename = newname; | |
2129 | } else { | |
2130 | thename = origname; | |
2131 | } | |
2132 | ||
2133 | if (props != NULL) { | |
2134 | uint64_t version; | |
2135 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; | |
2136 | ||
2137 | version = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION); | |
2138 | ||
2139 | if ((props = zpool_valid_proplist(hdl, origname, | |
2140 | props, version, flags, errbuf)) == NULL) | |
2141 | return (-1); | |
2142 | zcmd_write_src_nvlist(hdl, &zc, props); | |
2143 | nvlist_free(props); | |
2144 | } | |
2145 | ||
2146 | (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); | |
2147 | ||
2148 | zc.zc_guid = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID); | |
2149 | ||
2150 | zcmd_write_conf_nvlist(hdl, &zc, config); | |
2151 | zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2); | |
2152 | ||
2153 | zc.zc_cookie = flags; | |
2154 | while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && | |
2155 | errno == ENOMEM) | |
2156 | zcmd_expand_dst_nvlist(hdl, &zc); | |
2157 | if (ret != 0) | |
2158 | error = errno; | |
2159 | ||
2160 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); | |
2161 | ||
2162 | zcmd_free_nvlists(&zc); | |
2163 | ||
2164 | zpool_get_load_policy(config, &policy); | |
2165 | ||
2166 | if (error) { | |
2167 | char desc[1024]; | |
2168 | char aux[256]; | |
2169 | ||
2170 | /* | |
2171 | * Dry-run failed, but we print out what success | |
2172 | * looks like if we found a best txg | |
2173 | */ | |
2174 | if (policy.zlp_rewind & ZPOOL_TRY_REWIND) { | |
2175 | zpool_rewind_exclaim(hdl, newname ? origname : thename, | |
2176 | B_TRUE, nv); | |
2177 | nvlist_free(nv); | |
2178 | return (-1); | |
2179 | } | |
2180 | ||
2181 | if (newname == NULL) | |
2182 | (void) snprintf(desc, sizeof (desc), | |
2183 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
2184 | thename); | |
2185 | else | |
2186 | (void) snprintf(desc, sizeof (desc), | |
2187 | dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), | |
2188 | origname, thename); | |
2189 | ||
2190 | switch (error) { | |
2191 | case ENOTSUP: | |
2192 | if (nv != NULL && nvlist_lookup_nvlist(nv, | |
2193 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && | |
2194 | nvlist_exists(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT)) { | |
2195 | (void) printf(dgettext(TEXT_DOMAIN, "This " | |
2196 | "pool uses the following feature(s) not " | |
2197 | "supported by this system:\n")); | |
2198 | zpool_print_unsup_feat(nv); | |
2199 | if (nvlist_exists(nvinfo, | |
2200 | ZPOOL_CONFIG_CAN_RDONLY)) { | |
2201 | (void) printf(dgettext(TEXT_DOMAIN, | |
2202 | "All unsupported features are only " | |
2203 | "required for writing to the pool." | |
2204 | "\nThe pool can be imported using " | |
2205 | "'-o readonly=on'.\n")); | |
2206 | } | |
2207 | } | |
2208 | /* | |
2209 | * Unsupported version. | |
2210 | */ | |
2211 | (void) zfs_error(hdl, EZFS_BADVERSION, desc); | |
2212 | break; | |
2213 | ||
2214 | case EREMOTEIO: | |
2215 | if (nv != NULL && nvlist_lookup_nvlist(nv, | |
2216 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0) { | |
2217 | const char *hostname = "<unknown>"; | |
2218 | uint64_t hostid = 0; | |
2219 | mmp_state_t mmp_state; | |
2220 | ||
2221 | mmp_state = fnvlist_lookup_uint64(nvinfo, | |
2222 | ZPOOL_CONFIG_MMP_STATE); | |
2223 | ||
2224 | if (nvlist_exists(nvinfo, | |
2225 | ZPOOL_CONFIG_MMP_HOSTNAME)) | |
2226 | hostname = fnvlist_lookup_string(nvinfo, | |
2227 | ZPOOL_CONFIG_MMP_HOSTNAME); | |
2228 | ||
2229 | if (nvlist_exists(nvinfo, | |
2230 | ZPOOL_CONFIG_MMP_HOSTID)) | |
2231 | hostid = fnvlist_lookup_uint64(nvinfo, | |
2232 | ZPOOL_CONFIG_MMP_HOSTID); | |
2233 | ||
2234 | if (mmp_state == MMP_STATE_ACTIVE) { | |
2235 | (void) snprintf(aux, sizeof (aux), | |
2236 | dgettext(TEXT_DOMAIN, "pool is imp" | |
2237 | "orted on host '%s' (hostid=%lx).\n" | |
2238 | "Export the pool on the other " | |
2239 | "system, then run 'zpool import'."), | |
2240 | hostname, (unsigned long) hostid); | |
2241 | } else if (mmp_state == MMP_STATE_NO_HOSTID) { | |
2242 | (void) snprintf(aux, sizeof (aux), | |
2243 | dgettext(TEXT_DOMAIN, "pool has " | |
2244 | "the multihost property on and " | |
2245 | "the\nsystem's hostid is not set. " | |
2246 | "Set a unique system hostid with " | |
2247 | "the zgenhostid(8) command.\n")); | |
2248 | } | |
2249 | ||
2250 | (void) zfs_error_aux(hdl, "%s", aux); | |
2251 | } | |
2252 | (void) zfs_error(hdl, EZFS_ACTIVE_POOL, desc); | |
2253 | break; | |
2254 | ||
2255 | case EINVAL: | |
2256 | (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); | |
2257 | break; | |
2258 | ||
2259 | case EROFS: | |
2260 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2261 | "one or more devices is read only")); | |
2262 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
2263 | break; | |
2264 | ||
2265 | case ENXIO: | |
2266 | if (nv && nvlist_lookup_nvlist(nv, | |
2267 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && | |
2268 | nvlist_lookup_nvlist(nvinfo, | |
2269 | ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { | |
2270 | (void) printf(dgettext(TEXT_DOMAIN, | |
2271 | "The devices below are missing or " | |
2272 | "corrupted, use '-m' to import the pool " | |
2273 | "anyway:\n")); | |
2274 | print_vdev_tree(hdl, NULL, missing, 2); | |
2275 | (void) printf("\n"); | |
2276 | } | |
2277 | (void) zpool_standard_error(hdl, error, desc); | |
2278 | break; | |
2279 | ||
2280 | case EEXIST: | |
2281 | (void) zpool_standard_error(hdl, error, desc); | |
2282 | break; | |
2283 | ||
2284 | case EBUSY: | |
2285 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2286 | "one or more devices are already in use\n")); | |
2287 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
2288 | break; | |
2289 | case ENAMETOOLONG: | |
2290 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2291 | "new name of at least one dataset is longer than " | |
2292 | "the maximum allowable length")); | |
2293 | (void) zfs_error(hdl, EZFS_NAMETOOLONG, desc); | |
2294 | break; | |
2295 | default: | |
2296 | (void) zpool_standard_error(hdl, error, desc); | |
2297 | zpool_explain_recover(hdl, | |
2298 | newname ? origname : thename, -error, nv); | |
2299 | break; | |
2300 | } | |
2301 | ||
2302 | nvlist_free(nv); | |
2303 | ret = -1; | |
2304 | } else { | |
2305 | zpool_handle_t *zhp; | |
2306 | ||
2307 | /* | |
2308 | * This should never fail, but play it safe anyway. | |
2309 | */ | |
2310 | if (zpool_open_silent(hdl, thename, &zhp) != 0) | |
2311 | ret = -1; | |
2312 | else if (zhp != NULL) | |
2313 | zpool_close(zhp); | |
2314 | if (policy.zlp_rewind & | |
2315 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
2316 | zpool_rewind_exclaim(hdl, newname ? origname : thename, | |
2317 | ((policy.zlp_rewind & ZPOOL_TRY_REWIND) != 0), nv); | |
2318 | } | |
2319 | nvlist_free(nv); | |
2320 | } | |
2321 | ||
2322 | return (ret); | |
2323 | } | |
2324 | ||
2325 | /* | |
2326 | * Translate vdev names to guids. If a vdev_path is determined to be | |
2327 | * unsuitable then a vd_errlist is allocated and the vdev path and errno | |
2328 | * are added to it. | |
2329 | */ | |
2330 | static int | |
2331 | zpool_translate_vdev_guids(zpool_handle_t *zhp, nvlist_t *vds, | |
2332 | nvlist_t *vdev_guids, nvlist_t *guids_to_paths, nvlist_t **vd_errlist) | |
2333 | { | |
2334 | nvlist_t *errlist = NULL; | |
2335 | int error = 0; | |
2336 | ||
2337 | for (nvpair_t *elem = nvlist_next_nvpair(vds, NULL); elem != NULL; | |
2338 | elem = nvlist_next_nvpair(vds, elem)) { | |
2339 | boolean_t spare, cache; | |
2340 | ||
2341 | const char *vd_path = nvpair_name(elem); | |
2342 | nvlist_t *tgt = zpool_find_vdev(zhp, vd_path, &spare, &cache, | |
2343 | NULL); | |
2344 | ||
2345 | if ((tgt == NULL) || cache || spare) { | |
2346 | if (errlist == NULL) { | |
2347 | errlist = fnvlist_alloc(); | |
2348 | error = EINVAL; | |
2349 | } | |
2350 | ||
2351 | uint64_t err = (tgt == NULL) ? EZFS_NODEVICE : | |
2352 | (spare ? EZFS_ISSPARE : EZFS_ISL2CACHE); | |
2353 | fnvlist_add_int64(errlist, vd_path, err); | |
2354 | continue; | |
2355 | } | |
2356 | ||
2357 | uint64_t guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
2358 | fnvlist_add_uint64(vdev_guids, vd_path, guid); | |
2359 | ||
2360 | char msg[MAXNAMELEN]; | |
2361 | (void) snprintf(msg, sizeof (msg), "%llu", (u_longlong_t)guid); | |
2362 | fnvlist_add_string(guids_to_paths, msg, vd_path); | |
2363 | } | |
2364 | ||
2365 | if (error != 0) { | |
2366 | verify(errlist != NULL); | |
2367 | if (vd_errlist != NULL) | |
2368 | *vd_errlist = errlist; | |
2369 | else | |
2370 | fnvlist_free(errlist); | |
2371 | } | |
2372 | ||
2373 | return (error); | |
2374 | } | |
2375 | ||
2376 | static int | |
2377 | xlate_init_err(int err) | |
2378 | { | |
2379 | switch (err) { | |
2380 | case ENODEV: | |
2381 | return (EZFS_NODEVICE); | |
2382 | case EINVAL: | |
2383 | case EROFS: | |
2384 | return (EZFS_BADDEV); | |
2385 | case EBUSY: | |
2386 | return (EZFS_INITIALIZING); | |
2387 | case ESRCH: | |
2388 | return (EZFS_NO_INITIALIZE); | |
2389 | } | |
2390 | return (err); | |
2391 | } | |
2392 | ||
2393 | /* | |
2394 | * Begin, suspend, cancel, or uninit (clear) the initialization (initializing | |
2395 | * of all free blocks) for the given vdevs in the given pool. | |
2396 | */ | |
2397 | static int | |
2398 | zpool_initialize_impl(zpool_handle_t *zhp, pool_initialize_func_t cmd_type, | |
2399 | nvlist_t *vds, boolean_t wait) | |
2400 | { | |
2401 | int err; | |
2402 | ||
2403 | nvlist_t *vdev_guids = fnvlist_alloc(); | |
2404 | nvlist_t *guids_to_paths = fnvlist_alloc(); | |
2405 | nvlist_t *vd_errlist = NULL; | |
2406 | nvlist_t *errlist; | |
2407 | nvpair_t *elem; | |
2408 | ||
2409 | err = zpool_translate_vdev_guids(zhp, vds, vdev_guids, | |
2410 | guids_to_paths, &vd_errlist); | |
2411 | ||
2412 | if (err != 0) { | |
2413 | verify(vd_errlist != NULL); | |
2414 | goto list_errors; | |
2415 | } | |
2416 | ||
2417 | err = lzc_initialize(zhp->zpool_name, cmd_type, | |
2418 | vdev_guids, &errlist); | |
2419 | ||
2420 | if (err != 0) { | |
2421 | if (errlist != NULL && nvlist_lookup_nvlist(errlist, | |
2422 | ZPOOL_INITIALIZE_VDEVS, &vd_errlist) == 0) { | |
2423 | goto list_errors; | |
2424 | } | |
2425 | ||
2426 | if (err == EINVAL && cmd_type == POOL_INITIALIZE_UNINIT) { | |
2427 | zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, | |
2428 | "uninitialize is not supported by kernel")); | |
2429 | } | |
2430 | ||
2431 | (void) zpool_standard_error(zhp->zpool_hdl, err, | |
2432 | dgettext(TEXT_DOMAIN, "operation failed")); | |
2433 | goto out; | |
2434 | } | |
2435 | ||
2436 | if (wait) { | |
2437 | for (elem = nvlist_next_nvpair(vdev_guids, NULL); elem != NULL; | |
2438 | elem = nvlist_next_nvpair(vdev_guids, elem)) { | |
2439 | ||
2440 | uint64_t guid = fnvpair_value_uint64(elem); | |
2441 | ||
2442 | err = lzc_wait_tag(zhp->zpool_name, | |
2443 | ZPOOL_WAIT_INITIALIZE, guid, NULL); | |
2444 | if (err != 0) { | |
2445 | (void) zpool_standard_error_fmt(zhp->zpool_hdl, | |
2446 | err, dgettext(TEXT_DOMAIN, "error " | |
2447 | "waiting for '%s' to initialize"), | |
2448 | nvpair_name(elem)); | |
2449 | ||
2450 | goto out; | |
2451 | } | |
2452 | } | |
2453 | } | |
2454 | goto out; | |
2455 | ||
2456 | list_errors: | |
2457 | for (elem = nvlist_next_nvpair(vd_errlist, NULL); elem != NULL; | |
2458 | elem = nvlist_next_nvpair(vd_errlist, elem)) { | |
2459 | int64_t vd_error = xlate_init_err(fnvpair_value_int64(elem)); | |
2460 | const char *path; | |
2461 | ||
2462 | if (nvlist_lookup_string(guids_to_paths, nvpair_name(elem), | |
2463 | &path) != 0) | |
2464 | path = nvpair_name(elem); | |
2465 | ||
2466 | (void) zfs_error_fmt(zhp->zpool_hdl, vd_error, | |
2467 | "cannot initialize '%s'", path); | |
2468 | } | |
2469 | ||
2470 | out: | |
2471 | fnvlist_free(vdev_guids); | |
2472 | fnvlist_free(guids_to_paths); | |
2473 | ||
2474 | if (vd_errlist != NULL) | |
2475 | fnvlist_free(vd_errlist); | |
2476 | ||
2477 | return (err == 0 ? 0 : -1); | |
2478 | } | |
2479 | ||
2480 | int | |
2481 | zpool_initialize(zpool_handle_t *zhp, pool_initialize_func_t cmd_type, | |
2482 | nvlist_t *vds) | |
2483 | { | |
2484 | return (zpool_initialize_impl(zhp, cmd_type, vds, B_FALSE)); | |
2485 | } | |
2486 | ||
2487 | int | |
2488 | zpool_initialize_wait(zpool_handle_t *zhp, pool_initialize_func_t cmd_type, | |
2489 | nvlist_t *vds) | |
2490 | { | |
2491 | return (zpool_initialize_impl(zhp, cmd_type, vds, B_TRUE)); | |
2492 | } | |
2493 | ||
2494 | static int | |
2495 | xlate_trim_err(int err) | |
2496 | { | |
2497 | switch (err) { | |
2498 | case ENODEV: | |
2499 | return (EZFS_NODEVICE); | |
2500 | case EINVAL: | |
2501 | case EROFS: | |
2502 | return (EZFS_BADDEV); | |
2503 | case EBUSY: | |
2504 | return (EZFS_TRIMMING); | |
2505 | case ESRCH: | |
2506 | return (EZFS_NO_TRIM); | |
2507 | case EOPNOTSUPP: | |
2508 | return (EZFS_TRIM_NOTSUP); | |
2509 | } | |
2510 | return (err); | |
2511 | } | |
2512 | ||
2513 | static int | |
2514 | zpool_trim_wait(zpool_handle_t *zhp, nvlist_t *vdev_guids) | |
2515 | { | |
2516 | int err; | |
2517 | nvpair_t *elem; | |
2518 | ||
2519 | for (elem = nvlist_next_nvpair(vdev_guids, NULL); elem != NULL; | |
2520 | elem = nvlist_next_nvpair(vdev_guids, elem)) { | |
2521 | ||
2522 | uint64_t guid = fnvpair_value_uint64(elem); | |
2523 | ||
2524 | err = lzc_wait_tag(zhp->zpool_name, | |
2525 | ZPOOL_WAIT_TRIM, guid, NULL); | |
2526 | if (err != 0) { | |
2527 | (void) zpool_standard_error_fmt(zhp->zpool_hdl, | |
2528 | err, dgettext(TEXT_DOMAIN, "error " | |
2529 | "waiting to trim '%s'"), nvpair_name(elem)); | |
2530 | ||
2531 | return (err); | |
2532 | } | |
2533 | } | |
2534 | return (0); | |
2535 | } | |
2536 | ||
2537 | /* | |
2538 | * Check errlist and report any errors, omitting ones which should be | |
2539 | * suppressed. Returns B_TRUE if any errors were reported. | |
2540 | */ | |
2541 | static boolean_t | |
2542 | check_trim_errs(zpool_handle_t *zhp, trimflags_t *trim_flags, | |
2543 | nvlist_t *guids_to_paths, nvlist_t *vds, nvlist_t *errlist) | |
2544 | { | |
2545 | nvpair_t *elem; | |
2546 | boolean_t reported_errs = B_FALSE; | |
2547 | int num_vds = 0; | |
2548 | int num_suppressed_errs = 0; | |
2549 | ||
2550 | for (elem = nvlist_next_nvpair(vds, NULL); | |
2551 | elem != NULL; elem = nvlist_next_nvpair(vds, elem)) { | |
2552 | num_vds++; | |
2553 | } | |
2554 | ||
2555 | for (elem = nvlist_next_nvpair(errlist, NULL); | |
2556 | elem != NULL; elem = nvlist_next_nvpair(errlist, elem)) { | |
2557 | int64_t vd_error = xlate_trim_err(fnvpair_value_int64(elem)); | |
2558 | const char *path; | |
2559 | ||
2560 | /* | |
2561 | * If only the pool was specified, and it was not a secure | |
2562 | * trim then suppress warnings for individual vdevs which | |
2563 | * do not support trimming. | |
2564 | */ | |
2565 | if (vd_error == EZFS_TRIM_NOTSUP && | |
2566 | trim_flags->fullpool && | |
2567 | !trim_flags->secure) { | |
2568 | num_suppressed_errs++; | |
2569 | continue; | |
2570 | } | |
2571 | ||
2572 | reported_errs = B_TRUE; | |
2573 | if (nvlist_lookup_string(guids_to_paths, nvpair_name(elem), | |
2574 | &path) != 0) | |
2575 | path = nvpair_name(elem); | |
2576 | ||
2577 | (void) zfs_error_fmt(zhp->zpool_hdl, vd_error, | |
2578 | "cannot trim '%s'", path); | |
2579 | } | |
2580 | ||
2581 | if (num_suppressed_errs == num_vds) { | |
2582 | (void) zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, | |
2583 | "no devices in pool support trim operations")); | |
2584 | (void) (zfs_error(zhp->zpool_hdl, EZFS_TRIM_NOTSUP, | |
2585 | dgettext(TEXT_DOMAIN, "cannot trim"))); | |
2586 | reported_errs = B_TRUE; | |
2587 | } | |
2588 | ||
2589 | return (reported_errs); | |
2590 | } | |
2591 | ||
2592 | /* | |
2593 | * Begin, suspend, or cancel the TRIM (discarding of all free blocks) for | |
2594 | * the given vdevs in the given pool. | |
2595 | */ | |
2596 | int | |
2597 | zpool_trim(zpool_handle_t *zhp, pool_trim_func_t cmd_type, nvlist_t *vds, | |
2598 | trimflags_t *trim_flags) | |
2599 | { | |
2600 | int err; | |
2601 | int retval = 0; | |
2602 | ||
2603 | nvlist_t *vdev_guids = fnvlist_alloc(); | |
2604 | nvlist_t *guids_to_paths = fnvlist_alloc(); | |
2605 | nvlist_t *errlist = NULL; | |
2606 | ||
2607 | err = zpool_translate_vdev_guids(zhp, vds, vdev_guids, | |
2608 | guids_to_paths, &errlist); | |
2609 | if (err != 0) { | |
2610 | check_trim_errs(zhp, trim_flags, guids_to_paths, vds, errlist); | |
2611 | retval = -1; | |
2612 | goto out; | |
2613 | } | |
2614 | ||
2615 | err = lzc_trim(zhp->zpool_name, cmd_type, trim_flags->rate, | |
2616 | trim_flags->secure, vdev_guids, &errlist); | |
2617 | if (err != 0) { | |
2618 | nvlist_t *vd_errlist; | |
2619 | if (errlist != NULL && nvlist_lookup_nvlist(errlist, | |
2620 | ZPOOL_TRIM_VDEVS, &vd_errlist) == 0) { | |
2621 | if (check_trim_errs(zhp, trim_flags, guids_to_paths, | |
2622 | vds, vd_errlist)) { | |
2623 | retval = -1; | |
2624 | goto out; | |
2625 | } | |
2626 | } else { | |
2627 | char errbuf[ERRBUFLEN]; | |
2628 | ||
2629 | (void) snprintf(errbuf, sizeof (errbuf), | |
2630 | dgettext(TEXT_DOMAIN, "operation failed")); | |
2631 | zpool_standard_error(zhp->zpool_hdl, err, errbuf); | |
2632 | retval = -1; | |
2633 | goto out; | |
2634 | } | |
2635 | } | |
2636 | ||
2637 | ||
2638 | if (trim_flags->wait) | |
2639 | retval = zpool_trim_wait(zhp, vdev_guids); | |
2640 | ||
2641 | out: | |
2642 | if (errlist != NULL) | |
2643 | fnvlist_free(errlist); | |
2644 | fnvlist_free(vdev_guids); | |
2645 | fnvlist_free(guids_to_paths); | |
2646 | return (retval); | |
2647 | } | |
2648 | ||
2649 | /* | |
2650 | * Scan the pool. | |
2651 | */ | |
2652 | int | |
2653 | zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func, pool_scrub_cmd_t cmd) | |
2654 | { | |
2655 | char errbuf[ERRBUFLEN]; | |
2656 | int err; | |
2657 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2658 | ||
2659 | nvlist_t *args = fnvlist_alloc(); | |
2660 | fnvlist_add_uint64(args, "scan_type", (uint64_t)func); | |
2661 | fnvlist_add_uint64(args, "scan_command", (uint64_t)cmd); | |
2662 | ||
2663 | err = lzc_scrub(ZFS_IOC_POOL_SCRUB, zhp->zpool_name, args, NULL); | |
2664 | fnvlist_free(args); | |
2665 | ||
2666 | if (err == 0) { | |
2667 | return (0); | |
2668 | } else if (err == ZFS_ERR_IOC_CMD_UNAVAIL) { | |
2669 | zfs_cmd_t zc = {"\0"}; | |
2670 | (void) strlcpy(zc.zc_name, zhp->zpool_name, | |
2671 | sizeof (zc.zc_name)); | |
2672 | zc.zc_cookie = func; | |
2673 | zc.zc_flags = cmd; | |
2674 | ||
2675 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0) | |
2676 | return (0); | |
2677 | } | |
2678 | ||
2679 | /* | |
2680 | * An ECANCELED on a scrub means one of the following: | |
2681 | * 1. we resumed a paused scrub. | |
2682 | * 2. we resumed a paused error scrub. | |
2683 | * 3. Error scrub is not run because of no error log. | |
2684 | */ | |
2685 | if (err == ECANCELED && (func == POOL_SCAN_SCRUB || | |
2686 | func == POOL_SCAN_ERRORSCRUB) && cmd == POOL_SCRUB_NORMAL) | |
2687 | return (0); | |
2688 | /* | |
2689 | * The following cases have been handled here: | |
2690 | * 1. Paused a scrub/error scrub if there is none in progress. | |
2691 | */ | |
2692 | if (err == ENOENT && func != POOL_SCAN_NONE && cmd == | |
2693 | POOL_SCRUB_PAUSE) { | |
2694 | return (0); | |
2695 | } | |
2696 | ||
2697 | ASSERT3U(func, >=, POOL_SCAN_NONE); | |
2698 | ASSERT3U(func, <, POOL_SCAN_FUNCS); | |
2699 | ||
2700 | if (func == POOL_SCAN_SCRUB || func == POOL_SCAN_ERRORSCRUB) { | |
2701 | if (cmd == POOL_SCRUB_PAUSE) { | |
2702 | (void) snprintf(errbuf, sizeof (errbuf), | |
2703 | dgettext(TEXT_DOMAIN, "cannot pause scrubbing %s"), | |
2704 | zhp->zpool_name); | |
2705 | } else { | |
2706 | assert(cmd == POOL_SCRUB_NORMAL); | |
2707 | (void) snprintf(errbuf, sizeof (errbuf), | |
2708 | dgettext(TEXT_DOMAIN, "cannot scrub %s"), | |
2709 | zhp->zpool_name); | |
2710 | } | |
2711 | } else if (func == POOL_SCAN_RESILVER) { | |
2712 | assert(cmd == POOL_SCRUB_NORMAL); | |
2713 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
2714 | "cannot restart resilver on %s"), zhp->zpool_name); | |
2715 | } else if (func == POOL_SCAN_NONE) { | |
2716 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
2717 | "cannot cancel scrubbing %s"), zhp->zpool_name); | |
2718 | } else { | |
2719 | assert(!"unexpected result"); | |
2720 | } | |
2721 | ||
2722 | /* | |
2723 | * With EBUSY, five cases are possible: | |
2724 | * | |
2725 | * Current state Requested | |
2726 | * 1. Normal Scrub Running Normal Scrub or Error Scrub | |
2727 | * 2. Normal Scrub Paused Error Scrub | |
2728 | * 3. Normal Scrub Paused Pause Normal Scrub | |
2729 | * 4. Error Scrub Running Normal Scrub or Error Scrub | |
2730 | * 5. Error Scrub Paused Pause Error Scrub | |
2731 | * 6. Resilvering Anything else | |
2732 | */ | |
2733 | if (err == EBUSY) { | |
2734 | nvlist_t *nvroot; | |
2735 | pool_scan_stat_t *ps = NULL; | |
2736 | uint_t psc; | |
2737 | ||
2738 | nvroot = fnvlist_lookup_nvlist(zhp->zpool_config, | |
2739 | ZPOOL_CONFIG_VDEV_TREE); | |
2740 | (void) nvlist_lookup_uint64_array(nvroot, | |
2741 | ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); | |
2742 | if (ps && ps->pss_func == POOL_SCAN_SCRUB && | |
2743 | ps->pss_state == DSS_SCANNING) { | |
2744 | if (ps->pss_pass_scrub_pause == 0) { | |
2745 | /* handles case 1 */ | |
2746 | assert(cmd == POOL_SCRUB_NORMAL); | |
2747 | return (zfs_error(hdl, EZFS_SCRUBBING, | |
2748 | errbuf)); | |
2749 | } else { | |
2750 | if (func == POOL_SCAN_ERRORSCRUB) { | |
2751 | /* handles case 2 */ | |
2752 | ASSERT3U(cmd, ==, POOL_SCRUB_NORMAL); | |
2753 | return (zfs_error(hdl, | |
2754 | EZFS_SCRUB_PAUSED_TO_CANCEL, | |
2755 | errbuf)); | |
2756 | } else { | |
2757 | /* handles case 3 */ | |
2758 | ASSERT3U(func, ==, POOL_SCAN_SCRUB); | |
2759 | ASSERT3U(cmd, ==, POOL_SCRUB_PAUSE); | |
2760 | return (zfs_error(hdl, | |
2761 | EZFS_SCRUB_PAUSED, errbuf)); | |
2762 | } | |
2763 | } | |
2764 | } else if (ps && | |
2765 | ps->pss_error_scrub_func == POOL_SCAN_ERRORSCRUB && | |
2766 | ps->pss_error_scrub_state == DSS_ERRORSCRUBBING) { | |
2767 | if (ps->pss_pass_error_scrub_pause == 0) { | |
2768 | /* handles case 4 */ | |
2769 | ASSERT3U(cmd, ==, POOL_SCRUB_NORMAL); | |
2770 | return (zfs_error(hdl, EZFS_ERRORSCRUBBING, | |
2771 | errbuf)); | |
2772 | } else { | |
2773 | /* handles case 5 */ | |
2774 | ASSERT3U(func, ==, POOL_SCAN_ERRORSCRUB); | |
2775 | ASSERT3U(cmd, ==, POOL_SCRUB_PAUSE); | |
2776 | return (zfs_error(hdl, EZFS_ERRORSCRUB_PAUSED, | |
2777 | errbuf)); | |
2778 | } | |
2779 | } else { | |
2780 | /* handles case 6 */ | |
2781 | return (zfs_error(hdl, EZFS_RESILVERING, errbuf)); | |
2782 | } | |
2783 | } else if (err == ENOENT) { | |
2784 | return (zfs_error(hdl, EZFS_NO_SCRUB, errbuf)); | |
2785 | } else if (err == ENOTSUP && func == POOL_SCAN_RESILVER) { | |
2786 | return (zfs_error(hdl, EZFS_NO_RESILVER_DEFER, errbuf)); | |
2787 | } else { | |
2788 | return (zpool_standard_error(hdl, err, errbuf)); | |
2789 | } | |
2790 | } | |
2791 | ||
2792 | /* | |
2793 | * Find a vdev that matches the search criteria specified. We use the | |
2794 | * the nvpair name to determine how we should look for the device. | |
2795 | * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL | |
2796 | * spare; but FALSE if its an INUSE spare. | |
2797 | */ | |
2798 | static nvlist_t * | |
2799 | vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, | |
2800 | boolean_t *l2cache, boolean_t *log) | |
2801 | { | |
2802 | uint_t c, children; | |
2803 | nvlist_t **child; | |
2804 | nvlist_t *ret; | |
2805 | uint64_t is_log; | |
2806 | const char *srchkey; | |
2807 | nvpair_t *pair = nvlist_next_nvpair(search, NULL); | |
2808 | ||
2809 | /* Nothing to look for */ | |
2810 | if (search == NULL || pair == NULL) | |
2811 | return (NULL); | |
2812 | ||
2813 | /* Obtain the key we will use to search */ | |
2814 | srchkey = nvpair_name(pair); | |
2815 | ||
2816 | switch (nvpair_type(pair)) { | |
2817 | case DATA_TYPE_UINT64: | |
2818 | if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { | |
2819 | uint64_t srchval = fnvpair_value_uint64(pair); | |
2820 | uint64_t theguid = fnvlist_lookup_uint64(nv, | |
2821 | ZPOOL_CONFIG_GUID); | |
2822 | if (theguid == srchval) | |
2823 | return (nv); | |
2824 | } | |
2825 | break; | |
2826 | ||
2827 | case DATA_TYPE_STRING: { | |
2828 | const char *srchval, *val; | |
2829 | ||
2830 | srchval = fnvpair_value_string(pair); | |
2831 | if (nvlist_lookup_string(nv, srchkey, &val) != 0) | |
2832 | break; | |
2833 | ||
2834 | /* | |
2835 | * Search for the requested value. Special cases: | |
2836 | * | |
2837 | * - ZPOOL_CONFIG_PATH for whole disk entries. These end in | |
2838 | * "-part1", or "p1". The suffix is hidden from the user, | |
2839 | * but included in the string, so this matches around it. | |
2840 | * - ZPOOL_CONFIG_PATH for short names zfs_strcmp_shortname() | |
2841 | * is used to check all possible expanded paths. | |
2842 | * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). | |
2843 | * | |
2844 | * Otherwise, all other searches are simple string compares. | |
2845 | */ | |
2846 | if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0) { | |
2847 | uint64_t wholedisk = 0; | |
2848 | ||
2849 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
2850 | &wholedisk); | |
2851 | if (zfs_strcmp_pathname(srchval, val, wholedisk) == 0) | |
2852 | return (nv); | |
2853 | ||
2854 | } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0) { | |
2855 | char *type, *idx, *end, *p; | |
2856 | uint64_t id, vdev_id; | |
2857 | ||
2858 | /* | |
2859 | * Determine our vdev type, keeping in mind | |
2860 | * that the srchval is composed of a type and | |
2861 | * vdev id pair (i.e. mirror-4). | |
2862 | */ | |
2863 | if ((type = strdup(srchval)) == NULL) | |
2864 | return (NULL); | |
2865 | ||
2866 | if ((p = strrchr(type, '-')) == NULL) { | |
2867 | free(type); | |
2868 | break; | |
2869 | } | |
2870 | idx = p + 1; | |
2871 | *p = '\0'; | |
2872 | ||
2873 | /* | |
2874 | * If the types don't match then keep looking. | |
2875 | */ | |
2876 | if (strncmp(val, type, strlen(val)) != 0) { | |
2877 | free(type); | |
2878 | break; | |
2879 | } | |
2880 | ||
2881 | verify(zpool_vdev_is_interior(type)); | |
2882 | ||
2883 | id = fnvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID); | |
2884 | errno = 0; | |
2885 | vdev_id = strtoull(idx, &end, 10); | |
2886 | ||
2887 | /* | |
2888 | * If we are looking for a raidz and a parity is | |
2889 | * specified, make sure it matches. | |
2890 | */ | |
2891 | int rzlen = strlen(VDEV_TYPE_RAIDZ); | |
2892 | assert(rzlen == strlen(VDEV_TYPE_DRAID)); | |
2893 | int typlen = strlen(type); | |
2894 | if ((strncmp(type, VDEV_TYPE_RAIDZ, rzlen) == 0 || | |
2895 | strncmp(type, VDEV_TYPE_DRAID, rzlen) == 0) && | |
2896 | typlen != rzlen) { | |
2897 | uint64_t vdev_parity; | |
2898 | int parity = *(type + rzlen) - '0'; | |
2899 | ||
2900 | if (parity <= 0 || parity > 3 || | |
2901 | (typlen - rzlen) != 1) { | |
2902 | /* | |
2903 | * Nonsense parity specified, can | |
2904 | * never match | |
2905 | */ | |
2906 | free(type); | |
2907 | return (NULL); | |
2908 | } | |
2909 | vdev_parity = fnvlist_lookup_uint64(nv, | |
2910 | ZPOOL_CONFIG_NPARITY); | |
2911 | if ((int)vdev_parity != parity) { | |
2912 | free(type); | |
2913 | break; | |
2914 | } | |
2915 | } | |
2916 | ||
2917 | free(type); | |
2918 | if (errno != 0) | |
2919 | return (NULL); | |
2920 | ||
2921 | /* | |
2922 | * Now verify that we have the correct vdev id. | |
2923 | */ | |
2924 | if (vdev_id == id) | |
2925 | return (nv); | |
2926 | } | |
2927 | ||
2928 | /* | |
2929 | * Common case | |
2930 | */ | |
2931 | if (strcmp(srchval, val) == 0) | |
2932 | return (nv); | |
2933 | break; | |
2934 | } | |
2935 | ||
2936 | default: | |
2937 | break; | |
2938 | } | |
2939 | ||
2940 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
2941 | &child, &children) != 0) | |
2942 | return (NULL); | |
2943 | ||
2944 | for (c = 0; c < children; c++) { | |
2945 | if ((ret = vdev_to_nvlist_iter(child[c], search, | |
2946 | avail_spare, l2cache, NULL)) != NULL) { | |
2947 | /* | |
2948 | * The 'is_log' value is only set for the toplevel | |
2949 | * vdev, not the leaf vdevs. So we always lookup the | |
2950 | * log device from the root of the vdev tree (where | |
2951 | * 'log' is non-NULL). | |
2952 | */ | |
2953 | if (log != NULL && | |
2954 | nvlist_lookup_uint64(child[c], | |
2955 | ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && | |
2956 | is_log) { | |
2957 | *log = B_TRUE; | |
2958 | } | |
2959 | return (ret); | |
2960 | } | |
2961 | } | |
2962 | ||
2963 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, | |
2964 | &child, &children) == 0) { | |
2965 | for (c = 0; c < children; c++) { | |
2966 | if ((ret = vdev_to_nvlist_iter(child[c], search, | |
2967 | avail_spare, l2cache, NULL)) != NULL) { | |
2968 | *avail_spare = B_TRUE; | |
2969 | return (ret); | |
2970 | } | |
2971 | } | |
2972 | } | |
2973 | ||
2974 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, | |
2975 | &child, &children) == 0) { | |
2976 | for (c = 0; c < children; c++) { | |
2977 | if ((ret = vdev_to_nvlist_iter(child[c], search, | |
2978 | avail_spare, l2cache, NULL)) != NULL) { | |
2979 | *l2cache = B_TRUE; | |
2980 | return (ret); | |
2981 | } | |
2982 | } | |
2983 | } | |
2984 | ||
2985 | return (NULL); | |
2986 | } | |
2987 | ||
2988 | /* | |
2989 | * Given a physical path or guid, find the associated vdev. | |
2990 | */ | |
2991 | nvlist_t * | |
2992 | zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, | |
2993 | boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) | |
2994 | { | |
2995 | nvlist_t *search, *nvroot, *ret; | |
2996 | uint64_t guid; | |
2997 | char *end; | |
2998 | ||
2999 | search = fnvlist_alloc(); | |
3000 | ||
3001 | guid = strtoull(ppath, &end, 0); | |
3002 | if (guid != 0 && *end == '\0') { | |
3003 | fnvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid); | |
3004 | } else { | |
3005 | fnvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath); | |
3006 | } | |
3007 | ||
3008 | nvroot = fnvlist_lookup_nvlist(zhp->zpool_config, | |
3009 | ZPOOL_CONFIG_VDEV_TREE); | |
3010 | ||
3011 | *avail_spare = B_FALSE; | |
3012 | *l2cache = B_FALSE; | |
3013 | if (log != NULL) | |
3014 | *log = B_FALSE; | |
3015 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); | |
3016 | fnvlist_free(search); | |
3017 | ||
3018 | return (ret); | |
3019 | } | |
3020 | ||
3021 | /* | |
3022 | * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). | |
3023 | */ | |
3024 | static boolean_t | |
3025 | zpool_vdev_is_interior(const char *name) | |
3026 | { | |
3027 | if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
3028 | strncmp(name, VDEV_TYPE_SPARE, strlen(VDEV_TYPE_SPARE)) == 0 || | |
3029 | strncmp(name, | |
3030 | VDEV_TYPE_REPLACING, strlen(VDEV_TYPE_REPLACING)) == 0 || | |
3031 | strncmp(name, VDEV_TYPE_ROOT, strlen(VDEV_TYPE_ROOT)) == 0 || | |
3032 | strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) | |
3033 | return (B_TRUE); | |
3034 | ||
3035 | if (strncmp(name, VDEV_TYPE_DRAID, strlen(VDEV_TYPE_DRAID)) == 0 && | |
3036 | !zpool_is_draid_spare(name)) | |
3037 | return (B_TRUE); | |
3038 | ||
3039 | return (B_FALSE); | |
3040 | } | |
3041 | ||
3042 | /* | |
3043 | * Lookup the nvlist for a given vdev. | |
3044 | */ | |
3045 | nvlist_t * | |
3046 | zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, | |
3047 | boolean_t *l2cache, boolean_t *log) | |
3048 | { | |
3049 | char *end; | |
3050 | nvlist_t *nvroot, *search, *ret; | |
3051 | uint64_t guid; | |
3052 | boolean_t __avail_spare, __l2cache, __log; | |
3053 | ||
3054 | search = fnvlist_alloc(); | |
3055 | ||
3056 | guid = strtoull(path, &end, 0); | |
3057 | if (guid != 0 && *end == '\0') { | |
3058 | fnvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid); | |
3059 | } else if (zpool_vdev_is_interior(path)) { | |
3060 | fnvlist_add_string(search, ZPOOL_CONFIG_TYPE, path); | |
3061 | } else { | |
3062 | fnvlist_add_string(search, ZPOOL_CONFIG_PATH, path); | |
3063 | } | |
3064 | ||
3065 | nvroot = fnvlist_lookup_nvlist(zhp->zpool_config, | |
3066 | ZPOOL_CONFIG_VDEV_TREE); | |
3067 | ||
3068 | /* | |
3069 | * User can pass NULL for avail_spare, l2cache, and log, but | |
3070 | * we still need to provide variables to vdev_to_nvlist_iter(), so | |
3071 | * just point them to junk variables here. | |
3072 | */ | |
3073 | if (!avail_spare) | |
3074 | avail_spare = &__avail_spare; | |
3075 | if (!l2cache) | |
3076 | l2cache = &__l2cache; | |
3077 | if (!log) | |
3078 | log = &__log; | |
3079 | ||
3080 | *avail_spare = B_FALSE; | |
3081 | *l2cache = B_FALSE; | |
3082 | if (log != NULL) | |
3083 | *log = B_FALSE; | |
3084 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); | |
3085 | fnvlist_free(search); | |
3086 | ||
3087 | return (ret); | |
3088 | } | |
3089 | ||
3090 | /* | |
3091 | * Convert a vdev path to a GUID. Returns GUID or 0 on error. | |
3092 | * | |
3093 | * If is_spare, is_l2cache, or is_log is non-NULL, then store within it | |
3094 | * if the VDEV is a spare, l2cache, or log device. If they're NULL then | |
3095 | * ignore them. | |
3096 | */ | |
3097 | static uint64_t | |
3098 | zpool_vdev_path_to_guid_impl(zpool_handle_t *zhp, const char *path, | |
3099 | boolean_t *is_spare, boolean_t *is_l2cache, boolean_t *is_log) | |
3100 | { | |
3101 | boolean_t spare = B_FALSE, l2cache = B_FALSE, log = B_FALSE; | |
3102 | nvlist_t *tgt; | |
3103 | ||
3104 | if ((tgt = zpool_find_vdev(zhp, path, &spare, &l2cache, | |
3105 | &log)) == NULL) | |
3106 | return (0); | |
3107 | ||
3108 | if (is_spare != NULL) | |
3109 | *is_spare = spare; | |
3110 | if (is_l2cache != NULL) | |
3111 | *is_l2cache = l2cache; | |
3112 | if (is_log != NULL) | |
3113 | *is_log = log; | |
3114 | ||
3115 | return (fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID)); | |
3116 | } | |
3117 | ||
3118 | /* Convert a vdev path to a GUID. Returns GUID or 0 on error. */ | |
3119 | uint64_t | |
3120 | zpool_vdev_path_to_guid(zpool_handle_t *zhp, const char *path) | |
3121 | { | |
3122 | return (zpool_vdev_path_to_guid_impl(zhp, path, NULL, NULL, NULL)); | |
3123 | } | |
3124 | ||
3125 | /* | |
3126 | * Bring the specified vdev online. The 'flags' parameter is a set of the | |
3127 | * ZFS_ONLINE_* flags. | |
3128 | */ | |
3129 | int | |
3130 | zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, | |
3131 | vdev_state_t *newstate) | |
3132 | { | |
3133 | zfs_cmd_t zc = {"\0"}; | |
3134 | char errbuf[ERRBUFLEN]; | |
3135 | nvlist_t *tgt; | |
3136 | boolean_t avail_spare, l2cache, islog; | |
3137 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3138 | ||
3139 | if (flags & ZFS_ONLINE_EXPAND) { | |
3140 | (void) snprintf(errbuf, sizeof (errbuf), | |
3141 | dgettext(TEXT_DOMAIN, "cannot expand %s"), path); | |
3142 | } else { | |
3143 | (void) snprintf(errbuf, sizeof (errbuf), | |
3144 | dgettext(TEXT_DOMAIN, "cannot online %s"), path); | |
3145 | } | |
3146 | ||
3147 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3148 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, | |
3149 | &islog)) == NULL) | |
3150 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
3151 | ||
3152 | zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
3153 | ||
3154 | if (!(flags & ZFS_ONLINE_SPARE) && avail_spare) | |
3155 | return (zfs_error(hdl, EZFS_ISSPARE, errbuf)); | |
3156 | ||
3157 | #ifndef __FreeBSD__ | |
3158 | const char *pathname; | |
3159 | if ((flags & ZFS_ONLINE_EXPAND || | |
3160 | zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) && | |
3161 | nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH, &pathname) == 0) { | |
3162 | uint64_t wholedisk = 0; | |
3163 | ||
3164 | (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, | |
3165 | &wholedisk); | |
3166 | ||
3167 | /* | |
3168 | * XXX - L2ARC 1.0 devices can't support expansion. | |
3169 | */ | |
3170 | if (l2cache) { | |
3171 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3172 | "cannot expand cache devices")); | |
3173 | return (zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf)); | |
3174 | } | |
3175 | ||
3176 | if (wholedisk) { | |
3177 | const char *fullpath = path; | |
3178 | char buf[MAXPATHLEN]; | |
3179 | int error; | |
3180 | ||
3181 | if (path[0] != '/') { | |
3182 | error = zfs_resolve_shortname(path, buf, | |
3183 | sizeof (buf)); | |
3184 | if (error != 0) | |
3185 | return (zfs_error(hdl, EZFS_NODEVICE, | |
3186 | errbuf)); | |
3187 | ||
3188 | fullpath = buf; | |
3189 | } | |
3190 | ||
3191 | error = zpool_relabel_disk(hdl, fullpath, errbuf); | |
3192 | if (error != 0) | |
3193 | return (error); | |
3194 | } | |
3195 | } | |
3196 | #endif | |
3197 | ||
3198 | zc.zc_cookie = VDEV_STATE_ONLINE; | |
3199 | zc.zc_obj = flags; | |
3200 | ||
3201 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { | |
3202 | if (errno == EINVAL) { | |
3203 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " | |
3204 | "from this pool into a new one. Use '%s' " | |
3205 | "instead"), "zpool detach"); | |
3206 | return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, errbuf)); | |
3207 | } | |
3208 | return (zpool_standard_error(hdl, errno, errbuf)); | |
3209 | } | |
3210 | ||
3211 | *newstate = zc.zc_cookie; | |
3212 | return (0); | |
3213 | } | |
3214 | ||
3215 | /* | |
3216 | * Take the specified vdev offline | |
3217 | */ | |
3218 | int | |
3219 | zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) | |
3220 | { | |
3221 | zfs_cmd_t zc = {"\0"}; | |
3222 | char errbuf[ERRBUFLEN]; | |
3223 | nvlist_t *tgt; | |
3224 | boolean_t avail_spare, l2cache; | |
3225 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3226 | ||
3227 | (void) snprintf(errbuf, sizeof (errbuf), | |
3228 | dgettext(TEXT_DOMAIN, "cannot offline %s"), path); | |
3229 | ||
3230 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3231 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, | |
3232 | NULL)) == NULL) | |
3233 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
3234 | ||
3235 | zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
3236 | ||
3237 | if (avail_spare) | |
3238 | return (zfs_error(hdl, EZFS_ISSPARE, errbuf)); | |
3239 | ||
3240 | zc.zc_cookie = VDEV_STATE_OFFLINE; | |
3241 | zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; | |
3242 | ||
3243 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) | |
3244 | return (0); | |
3245 | ||
3246 | switch (errno) { | |
3247 | case EBUSY: | |
3248 | ||
3249 | /* | |
3250 | * There are no other replicas of this device. | |
3251 | */ | |
3252 | return (zfs_error(hdl, EZFS_NOREPLICAS, errbuf)); | |
3253 | ||
3254 | case EEXIST: | |
3255 | /* | |
3256 | * The log device has unplayed logs | |
3257 | */ | |
3258 | return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, errbuf)); | |
3259 | ||
3260 | default: | |
3261 | return (zpool_standard_error(hdl, errno, errbuf)); | |
3262 | } | |
3263 | } | |
3264 | ||
3265 | /* | |
3266 | * Remove the specified vdev asynchronously from the configuration, so | |
3267 | * that it may come ONLINE if reinserted. This is called from zed on | |
3268 | * Udev remove event. | |
3269 | * Note: We also have a similar function zpool_vdev_remove() that | |
3270 | * removes the vdev from the pool. | |
3271 | */ | |
3272 | int | |
3273 | zpool_vdev_remove_wanted(zpool_handle_t *zhp, const char *path) | |
3274 | { | |
3275 | zfs_cmd_t zc = {"\0"}; | |
3276 | char errbuf[ERRBUFLEN]; | |
3277 | nvlist_t *tgt; | |
3278 | boolean_t avail_spare, l2cache; | |
3279 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3280 | ||
3281 | (void) snprintf(errbuf, sizeof (errbuf), | |
3282 | dgettext(TEXT_DOMAIN, "cannot remove %s"), path); | |
3283 | ||
3284 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3285 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, | |
3286 | NULL)) == NULL) | |
3287 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
3288 | ||
3289 | zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
3290 | ||
3291 | zc.zc_cookie = VDEV_STATE_REMOVED; | |
3292 | ||
3293 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) | |
3294 | return (0); | |
3295 | ||
3296 | return (zpool_standard_error(hdl, errno, errbuf)); | |
3297 | } | |
3298 | ||
3299 | /* | |
3300 | * Mark the given vdev faulted. | |
3301 | */ | |
3302 | int | |
3303 | zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) | |
3304 | { | |
3305 | zfs_cmd_t zc = {"\0"}; | |
3306 | char errbuf[ERRBUFLEN]; | |
3307 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3308 | ||
3309 | (void) snprintf(errbuf, sizeof (errbuf), | |
3310 | dgettext(TEXT_DOMAIN, "cannot fault %llu"), (u_longlong_t)guid); | |
3311 | ||
3312 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3313 | zc.zc_guid = guid; | |
3314 | zc.zc_cookie = VDEV_STATE_FAULTED; | |
3315 | zc.zc_obj = aux; | |
3316 | ||
3317 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) | |
3318 | return (0); | |
3319 | ||
3320 | switch (errno) { | |
3321 | case EBUSY: | |
3322 | ||
3323 | /* | |
3324 | * There are no other replicas of this device. | |
3325 | */ | |
3326 | return (zfs_error(hdl, EZFS_NOREPLICAS, errbuf)); | |
3327 | ||
3328 | default: | |
3329 | return (zpool_standard_error(hdl, errno, errbuf)); | |
3330 | } | |
3331 | ||
3332 | } | |
3333 | ||
3334 | /* | |
3335 | * Generic set vdev state function | |
3336 | */ | |
3337 | static int | |
3338 | zpool_vdev_set_state(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux, | |
3339 | vdev_state_t state) | |
3340 | { | |
3341 | zfs_cmd_t zc = {"\0"}; | |
3342 | char errbuf[ERRBUFLEN]; | |
3343 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3344 | ||
3345 | (void) snprintf(errbuf, sizeof (errbuf), | |
3346 | dgettext(TEXT_DOMAIN, "cannot set %s %llu"), | |
3347 | zpool_state_to_name(state, aux), (u_longlong_t)guid); | |
3348 | ||
3349 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3350 | zc.zc_guid = guid; | |
3351 | zc.zc_cookie = state; | |
3352 | zc.zc_obj = aux; | |
3353 | ||
3354 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) | |
3355 | return (0); | |
3356 | ||
3357 | return (zpool_standard_error(hdl, errno, errbuf)); | |
3358 | } | |
3359 | ||
3360 | /* | |
3361 | * Mark the given vdev degraded. | |
3362 | */ | |
3363 | int | |
3364 | zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) | |
3365 | { | |
3366 | return (zpool_vdev_set_state(zhp, guid, aux, VDEV_STATE_DEGRADED)); | |
3367 | } | |
3368 | ||
3369 | /* | |
3370 | * Mark the given vdev as in a removed state (as if the device does not exist). | |
3371 | * | |
3372 | * This is different than zpool_vdev_remove() which does a removal of a device | |
3373 | * from the pool (but the device does exist). | |
3374 | */ | |
3375 | int | |
3376 | zpool_vdev_set_removed_state(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) | |
3377 | { | |
3378 | return (zpool_vdev_set_state(zhp, guid, aux, VDEV_STATE_REMOVED)); | |
3379 | } | |
3380 | ||
3381 | /* | |
3382 | * Returns TRUE if the given nvlist is a vdev that was originally swapped in as | |
3383 | * a hot spare. | |
3384 | */ | |
3385 | static boolean_t | |
3386 | is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) | |
3387 | { | |
3388 | nvlist_t **child; | |
3389 | uint_t c, children; | |
3390 | ||
3391 | if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, | |
3392 | &children) == 0) { | |
3393 | const char *type = fnvlist_lookup_string(search, | |
3394 | ZPOOL_CONFIG_TYPE); | |
3395 | if ((strcmp(type, VDEV_TYPE_SPARE) == 0 || | |
3396 | strcmp(type, VDEV_TYPE_DRAID_SPARE) == 0) && | |
3397 | children == 2 && child[which] == tgt) | |
3398 | return (B_TRUE); | |
3399 | ||
3400 | for (c = 0; c < children; c++) | |
3401 | if (is_replacing_spare(child[c], tgt, which)) | |
3402 | return (B_TRUE); | |
3403 | } | |
3404 | ||
3405 | return (B_FALSE); | |
3406 | } | |
3407 | ||
3408 | /* | |
3409 | * Attach new_disk (fully described by nvroot) to old_disk. | |
3410 | * If 'replacing' is specified, the new disk will replace the old one. | |
3411 | */ | |
3412 | int | |
3413 | zpool_vdev_attach(zpool_handle_t *zhp, const char *old_disk, | |
3414 | const char *new_disk, nvlist_t *nvroot, int replacing, boolean_t rebuild) | |
3415 | { | |
3416 | zfs_cmd_t zc = {"\0"}; | |
3417 | char errbuf[ERRBUFLEN]; | |
3418 | int ret; | |
3419 | nvlist_t *tgt; | |
3420 | boolean_t avail_spare, l2cache, islog; | |
3421 | uint64_t val; | |
3422 | char *newname; | |
3423 | const char *type; | |
3424 | nvlist_t **child; | |
3425 | uint_t children; | |
3426 | nvlist_t *config_root; | |
3427 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3428 | ||
3429 | if (replacing) | |
3430 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
3431 | "cannot replace %s with %s"), old_disk, new_disk); | |
3432 | else | |
3433 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
3434 | "cannot attach %s to %s"), new_disk, old_disk); | |
3435 | ||
3436 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3437 | if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, | |
3438 | &islog)) == NULL) | |
3439 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
3440 | ||
3441 | if (avail_spare) | |
3442 | return (zfs_error(hdl, EZFS_ISSPARE, errbuf)); | |
3443 | ||
3444 | if (l2cache) | |
3445 | return (zfs_error(hdl, EZFS_ISL2CACHE, errbuf)); | |
3446 | ||
3447 | zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
3448 | zc.zc_cookie = replacing; | |
3449 | zc.zc_simple = rebuild; | |
3450 | ||
3451 | if (rebuild && | |
3452 | zfeature_lookup_guid("org.openzfs:device_rebuild", NULL) != 0) { | |
3453 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3454 | "the loaded zfs module doesn't support device rebuilds")); | |
3455 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); | |
3456 | } | |
3457 | ||
3458 | type = fnvlist_lookup_string(tgt, ZPOOL_CONFIG_TYPE); | |
3459 | if (strcmp(type, VDEV_TYPE_RAIDZ) == 0 && | |
3460 | zfeature_lookup_guid("org.openzfs:raidz_expansion", NULL) != 0) { | |
3461 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3462 | "the loaded zfs module doesn't support raidz expansion")); | |
3463 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); | |
3464 | } | |
3465 | ||
3466 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
3467 | &child, &children) != 0 || children != 1) { | |
3468 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3469 | "new device must be a single disk")); | |
3470 | return (zfs_error(hdl, EZFS_INVALCONFIG, errbuf)); | |
3471 | } | |
3472 | ||
3473 | config_root = fnvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
3474 | ZPOOL_CONFIG_VDEV_TREE); | |
3475 | ||
3476 | if ((newname = zpool_vdev_name(NULL, NULL, child[0], 0)) == NULL) | |
3477 | return (-1); | |
3478 | ||
3479 | /* | |
3480 | * If the target is a hot spare that has been swapped in, we can only | |
3481 | * replace it with another hot spare. | |
3482 | */ | |
3483 | if (replacing && | |
3484 | nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && | |
3485 | (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, | |
3486 | NULL) == NULL || !avail_spare) && | |
3487 | is_replacing_spare(config_root, tgt, 1)) { | |
3488 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3489 | "can only be replaced by another hot spare")); | |
3490 | free(newname); | |
3491 | return (zfs_error(hdl, EZFS_BADTARGET, errbuf)); | |
3492 | } | |
3493 | ||
3494 | free(newname); | |
3495 | ||
3496 | zcmd_write_conf_nvlist(hdl, &zc, nvroot); | |
3497 | ||
3498 | ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); | |
3499 | ||
3500 | zcmd_free_nvlists(&zc); | |
3501 | ||
3502 | if (ret == 0) | |
3503 | return (0); | |
3504 | ||
3505 | switch (errno) { | |
3506 | case ENOTSUP: | |
3507 | /* | |
3508 | * Can't attach to or replace this type of vdev. | |
3509 | */ | |
3510 | if (replacing) { | |
3511 | uint64_t version = zpool_get_prop_int(zhp, | |
3512 | ZPOOL_PROP_VERSION, NULL); | |
3513 | ||
3514 | if (islog) { | |
3515 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3516 | "cannot replace a log with a spare")); | |
3517 | } else if (rebuild) { | |
3518 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3519 | "only mirror and dRAID vdevs support " | |
3520 | "sequential reconstruction")); | |
3521 | } else if (zpool_is_draid_spare(new_disk)) { | |
3522 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3523 | "dRAID spares can only replace child " | |
3524 | "devices in their parent's dRAID vdev")); | |
3525 | } else if (version >= SPA_VERSION_MULTI_REPLACE) { | |
3526 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3527 | "already in replacing/spare config; wait " | |
3528 | "for completion or use 'zpool detach'")); | |
3529 | } else { | |
3530 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3531 | "cannot replace a replacing device")); | |
3532 | } | |
3533 | } else if (strcmp(type, VDEV_TYPE_RAIDZ) == 0) { | |
3534 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3535 | "raidz_expansion feature must be enabled " | |
3536 | "in order to attach a device to raidz")); | |
3537 | } else { | |
3538 | char status[64] = {0}; | |
3539 | zpool_prop_get_feature(zhp, | |
3540 | "feature@device_rebuild", status, 63); | |
3541 | if (rebuild && | |
3542 | strncmp(status, ZFS_FEATURE_DISABLED, 64) == 0) { | |
3543 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3544 | "device_rebuild feature must be enabled " | |
3545 | "in order to use sequential " | |
3546 | "reconstruction")); | |
3547 | } else { | |
3548 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3549 | "can only attach to mirrors and top-level " | |
3550 | "disks")); | |
3551 | } | |
3552 | } | |
3553 | (void) zfs_error(hdl, EZFS_BADTARGET, errbuf); | |
3554 | break; | |
3555 | ||
3556 | case EINVAL: | |
3557 | /* | |
3558 | * The new device must be a single disk. | |
3559 | */ | |
3560 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3561 | "new device must be a single disk")); | |
3562 | (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); | |
3563 | break; | |
3564 | ||
3565 | case EBUSY: | |
3566 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), | |
3567 | new_disk); | |
3568 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
3569 | break; | |
3570 | ||
3571 | case EOVERFLOW: | |
3572 | /* | |
3573 | * The new device is too small. | |
3574 | */ | |
3575 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3576 | "device is too small")); | |
3577 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
3578 | break; | |
3579 | ||
3580 | case EDOM: | |
3581 | /* | |
3582 | * The new device has a different optimal sector size. | |
3583 | */ | |
3584 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3585 | "new device has a different optimal sector size; use the " | |
3586 | "option '-o ashift=N' to override the optimal size")); | |
3587 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
3588 | break; | |
3589 | ||
3590 | case ENAMETOOLONG: | |
3591 | /* | |
3592 | * The resulting top-level vdev spec won't fit in the label. | |
3593 | */ | |
3594 | (void) zfs_error(hdl, EZFS_DEVOVERFLOW, errbuf); | |
3595 | break; | |
3596 | ||
3597 | case ENXIO: | |
3598 | /* | |
3599 | * The existing raidz vdev has offline children | |
3600 | */ | |
3601 | if (strcmp(type, VDEV_TYPE_RAIDZ) == 0) { | |
3602 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3603 | "raidz vdev has devices that are are offline or " | |
3604 | "being replaced")); | |
3605 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
3606 | break; | |
3607 | } else { | |
3608 | (void) zpool_standard_error(hdl, errno, errbuf); | |
3609 | } | |
3610 | break; | |
3611 | ||
3612 | case EADDRINUSE: | |
3613 | /* | |
3614 | * The boot reserved area is already being used (FreeBSD) | |
3615 | */ | |
3616 | if (strcmp(type, VDEV_TYPE_RAIDZ) == 0) { | |
3617 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3618 | "the reserved boot area needed for the expansion " | |
3619 | "is already being used by a boot loader")); | |
3620 | (void) zfs_error(hdl, EZFS_BADDEV, errbuf); | |
3621 | } else { | |
3622 | (void) zpool_standard_error(hdl, errno, errbuf); | |
3623 | } | |
3624 | break; | |
3625 | default: | |
3626 | (void) zpool_standard_error(hdl, errno, errbuf); | |
3627 | } | |
3628 | ||
3629 | return (-1); | |
3630 | } | |
3631 | ||
3632 | /* | |
3633 | * Detach the specified device. | |
3634 | */ | |
3635 | int | |
3636 | zpool_vdev_detach(zpool_handle_t *zhp, const char *path) | |
3637 | { | |
3638 | zfs_cmd_t zc = {"\0"}; | |
3639 | char errbuf[ERRBUFLEN]; | |
3640 | nvlist_t *tgt; | |
3641 | boolean_t avail_spare, l2cache; | |
3642 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3643 | ||
3644 | (void) snprintf(errbuf, sizeof (errbuf), | |
3645 | dgettext(TEXT_DOMAIN, "cannot detach %s"), path); | |
3646 | ||
3647 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3648 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, | |
3649 | NULL)) == NULL) | |
3650 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
3651 | ||
3652 | if (avail_spare) | |
3653 | return (zfs_error(hdl, EZFS_ISSPARE, errbuf)); | |
3654 | ||
3655 | if (l2cache) | |
3656 | return (zfs_error(hdl, EZFS_ISL2CACHE, errbuf)); | |
3657 | ||
3658 | zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
3659 | ||
3660 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) | |
3661 | return (0); | |
3662 | ||
3663 | switch (errno) { | |
3664 | ||
3665 | case ENOTSUP: | |
3666 | /* | |
3667 | * Can't detach from this type of vdev. | |
3668 | */ | |
3669 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " | |
3670 | "applicable to mirror and replacing vdevs")); | |
3671 | (void) zfs_error(hdl, EZFS_BADTARGET, errbuf); | |
3672 | break; | |
3673 | ||
3674 | case EBUSY: | |
3675 | /* | |
3676 | * There are no other replicas of this device. | |
3677 | */ | |
3678 | (void) zfs_error(hdl, EZFS_NOREPLICAS, errbuf); | |
3679 | break; | |
3680 | ||
3681 | default: | |
3682 | (void) zpool_standard_error(hdl, errno, errbuf); | |
3683 | } | |
3684 | ||
3685 | return (-1); | |
3686 | } | |
3687 | ||
3688 | /* | |
3689 | * Find a mirror vdev in the source nvlist. | |
3690 | * | |
3691 | * The mchild array contains a list of disks in one of the top-level mirrors | |
3692 | * of the source pool. The schild array contains a list of disks that the | |
3693 | * user specified on the command line. We loop over the mchild array to | |
3694 | * see if any entry in the schild array matches. | |
3695 | * | |
3696 | * If a disk in the mchild array is found in the schild array, we return | |
3697 | * the index of that entry. Otherwise we return -1. | |
3698 | */ | |
3699 | static int | |
3700 | find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, | |
3701 | nvlist_t **schild, uint_t schildren) | |
3702 | { | |
3703 | uint_t mc; | |
3704 | ||
3705 | for (mc = 0; mc < mchildren; mc++) { | |
3706 | uint_t sc; | |
3707 | char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
3708 | mchild[mc], 0); | |
3709 | ||
3710 | for (sc = 0; sc < schildren; sc++) { | |
3711 | char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
3712 | schild[sc], 0); | |
3713 | boolean_t result = (strcmp(mpath, spath) == 0); | |
3714 | ||
3715 | free(spath); | |
3716 | if (result) { | |
3717 | free(mpath); | |
3718 | return (mc); | |
3719 | } | |
3720 | } | |
3721 | ||
3722 | free(mpath); | |
3723 | } | |
3724 | ||
3725 | return (-1); | |
3726 | } | |
3727 | ||
3728 | /* | |
3729 | * Split a mirror pool. If newroot points to null, then a new nvlist | |
3730 | * is generated and it is the responsibility of the caller to free it. | |
3731 | */ | |
3732 | int | |
3733 | zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, | |
3734 | nvlist_t *props, splitflags_t flags) | |
3735 | { | |
3736 | zfs_cmd_t zc = {"\0"}; | |
3737 | char errbuf[ERRBUFLEN]; | |
3738 | const char *bias; | |
3739 | nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; | |
3740 | nvlist_t **varray = NULL, *zc_props = NULL; | |
3741 | uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; | |
3742 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3743 | uint64_t vers, readonly = B_FALSE; | |
3744 | boolean_t freelist = B_FALSE, memory_err = B_TRUE; | |
3745 | int retval = 0; | |
3746 | ||
3747 | (void) snprintf(errbuf, sizeof (errbuf), | |
3748 | dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); | |
3749 | ||
3750 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
3751 | return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); | |
3752 | ||
3753 | if ((config = zpool_get_config(zhp, NULL)) == NULL) { | |
3754 | (void) fprintf(stderr, gettext("Internal error: unable to " | |
3755 | "retrieve pool configuration\n")); | |
3756 | return (-1); | |
3757 | } | |
3758 | ||
3759 | tree = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE); | |
3760 | vers = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION); | |
3761 | ||
3762 | if (props) { | |
3763 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; | |
3764 | if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, | |
3765 | props, vers, flags, errbuf)) == NULL) | |
3766 | return (-1); | |
3767 | (void) nvlist_lookup_uint64(zc_props, | |
3768 | zpool_prop_to_name(ZPOOL_PROP_READONLY), &readonly); | |
3769 | if (readonly) { | |
3770 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3771 | "property %s can only be set at import time"), | |
3772 | zpool_prop_to_name(ZPOOL_PROP_READONLY)); | |
3773 | return (-1); | |
3774 | } | |
3775 | } | |
3776 | ||
3777 | if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, | |
3778 | &children) != 0) { | |
3779 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3780 | "Source pool is missing vdev tree")); | |
3781 | nvlist_free(zc_props); | |
3782 | return (-1); | |
3783 | } | |
3784 | ||
3785 | varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); | |
3786 | vcount = 0; | |
3787 | ||
3788 | if (*newroot == NULL || | |
3789 | nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, | |
3790 | &newchild, &newchildren) != 0) | |
3791 | newchildren = 0; | |
3792 | ||
3793 | for (c = 0; c < children; c++) { | |
3794 | uint64_t is_log = B_FALSE, is_hole = B_FALSE; | |
3795 | boolean_t is_special = B_FALSE, is_dedup = B_FALSE; | |
3796 | const char *type; | |
3797 | nvlist_t **mchild, *vdev; | |
3798 | uint_t mchildren; | |
3799 | int entry; | |
3800 | ||
3801 | /* | |
3802 | * Unlike cache & spares, slogs are stored in the | |
3803 | * ZPOOL_CONFIG_CHILDREN array. We filter them out here. | |
3804 | */ | |
3805 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, | |
3806 | &is_log); | |
3807 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, | |
3808 | &is_hole); | |
3809 | if (is_log || is_hole) { | |
3810 | /* | |
3811 | * Create a hole vdev and put it in the config. | |
3812 | */ | |
3813 | if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) | |
3814 | goto out; | |
3815 | if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, | |
3816 | VDEV_TYPE_HOLE) != 0) | |
3817 | goto out; | |
3818 | if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, | |
3819 | 1) != 0) | |
3820 | goto out; | |
3821 | if (lastlog == 0) | |
3822 | lastlog = vcount; | |
3823 | varray[vcount++] = vdev; | |
3824 | continue; | |
3825 | } | |
3826 | lastlog = 0; | |
3827 | type = fnvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE); | |
3828 | ||
3829 | if (strcmp(type, VDEV_TYPE_INDIRECT) == 0) { | |
3830 | vdev = child[c]; | |
3831 | if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) | |
3832 | goto out; | |
3833 | continue; | |
3834 | } else if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { | |
3835 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3836 | "Source pool must be composed only of mirrors\n")); | |
3837 | retval = zfs_error(hdl, EZFS_INVALCONFIG, errbuf); | |
3838 | goto out; | |
3839 | } | |
3840 | ||
3841 | if (nvlist_lookup_string(child[c], | |
3842 | ZPOOL_CONFIG_ALLOCATION_BIAS, &bias) == 0) { | |
3843 | if (strcmp(bias, VDEV_ALLOC_BIAS_SPECIAL) == 0) | |
3844 | is_special = B_TRUE; | |
3845 | else if (strcmp(bias, VDEV_ALLOC_BIAS_DEDUP) == 0) | |
3846 | is_dedup = B_TRUE; | |
3847 | } | |
3848 | verify(nvlist_lookup_nvlist_array(child[c], | |
3849 | ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); | |
3850 | ||
3851 | /* find or add an entry for this top-level vdev */ | |
3852 | if (newchildren > 0 && | |
3853 | (entry = find_vdev_entry(zhp, mchild, mchildren, | |
3854 | newchild, newchildren)) >= 0) { | |
3855 | /* We found a disk that the user specified. */ | |
3856 | vdev = mchild[entry]; | |
3857 | ++found; | |
3858 | } else { | |
3859 | /* User didn't specify a disk for this vdev. */ | |
3860 | vdev = mchild[mchildren - 1]; | |
3861 | } | |
3862 | ||
3863 | if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) | |
3864 | goto out; | |
3865 | ||
3866 | if (flags.dryrun != 0) { | |
3867 | if (is_dedup == B_TRUE) { | |
3868 | if (nvlist_add_string(varray[vcount - 1], | |
3869 | ZPOOL_CONFIG_ALLOCATION_BIAS, | |
3870 | VDEV_ALLOC_BIAS_DEDUP) != 0) | |
3871 | goto out; | |
3872 | } else if (is_special == B_TRUE) { | |
3873 | if (nvlist_add_string(varray[vcount - 1], | |
3874 | ZPOOL_CONFIG_ALLOCATION_BIAS, | |
3875 | VDEV_ALLOC_BIAS_SPECIAL) != 0) | |
3876 | goto out; | |
3877 | } | |
3878 | } | |
3879 | } | |
3880 | ||
3881 | /* did we find every disk the user specified? */ | |
3882 | if (found != newchildren) { | |
3883 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " | |
3884 | "include at most one disk from each mirror")); | |
3885 | retval = zfs_error(hdl, EZFS_INVALCONFIG, errbuf); | |
3886 | goto out; | |
3887 | } | |
3888 | ||
3889 | /* Prepare the nvlist for populating. */ | |
3890 | if (*newroot == NULL) { | |
3891 | if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) | |
3892 | goto out; | |
3893 | freelist = B_TRUE; | |
3894 | if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, | |
3895 | VDEV_TYPE_ROOT) != 0) | |
3896 | goto out; | |
3897 | } else { | |
3898 | verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); | |
3899 | } | |
3900 | ||
3901 | /* Add all the children we found */ | |
3902 | if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, | |
3903 | (const nvlist_t **)varray, lastlog == 0 ? vcount : lastlog) != 0) | |
3904 | goto out; | |
3905 | ||
3906 | /* | |
3907 | * If we're just doing a dry run, exit now with success. | |
3908 | */ | |
3909 | if (flags.dryrun) { | |
3910 | memory_err = B_FALSE; | |
3911 | freelist = B_FALSE; | |
3912 | goto out; | |
3913 | } | |
3914 | ||
3915 | /* now build up the config list & call the ioctl */ | |
3916 | if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) | |
3917 | goto out; | |
3918 | ||
3919 | if (nvlist_add_nvlist(newconfig, | |
3920 | ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || | |
3921 | nvlist_add_string(newconfig, | |
3922 | ZPOOL_CONFIG_POOL_NAME, newname) != 0 || | |
3923 | nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) | |
3924 | goto out; | |
3925 | ||
3926 | /* | |
3927 | * The new pool is automatically part of the namespace unless we | |
3928 | * explicitly export it. | |
3929 | */ | |
3930 | if (!flags.import) | |
3931 | zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; | |
3932 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3933 | (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); | |
3934 | zcmd_write_conf_nvlist(hdl, &zc, newconfig); | |
3935 | if (zc_props != NULL) | |
3936 | zcmd_write_src_nvlist(hdl, &zc, zc_props); | |
3937 | ||
3938 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { | |
3939 | retval = zpool_standard_error(hdl, errno, errbuf); | |
3940 | goto out; | |
3941 | } | |
3942 | ||
3943 | freelist = B_FALSE; | |
3944 | memory_err = B_FALSE; | |
3945 | ||
3946 | out: | |
3947 | if (varray != NULL) { | |
3948 | int v; | |
3949 | ||
3950 | for (v = 0; v < vcount; v++) | |
3951 | nvlist_free(varray[v]); | |
3952 | free(varray); | |
3953 | } | |
3954 | zcmd_free_nvlists(&zc); | |
3955 | nvlist_free(zc_props); | |
3956 | nvlist_free(newconfig); | |
3957 | if (freelist) { | |
3958 | nvlist_free(*newroot); | |
3959 | *newroot = NULL; | |
3960 | } | |
3961 | ||
3962 | if (retval != 0) | |
3963 | return (retval); | |
3964 | ||
3965 | if (memory_err) | |
3966 | return (no_memory(hdl)); | |
3967 | ||
3968 | return (0); | |
3969 | } | |
3970 | ||
3971 | /* | |
3972 | * Remove the given device. | |
3973 | */ | |
3974 | int | |
3975 | zpool_vdev_remove(zpool_handle_t *zhp, const char *path) | |
3976 | { | |
3977 | zfs_cmd_t zc = {"\0"}; | |
3978 | char errbuf[ERRBUFLEN]; | |
3979 | nvlist_t *tgt; | |
3980 | boolean_t avail_spare, l2cache, islog; | |
3981 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3982 | uint64_t version; | |
3983 | ||
3984 | (void) snprintf(errbuf, sizeof (errbuf), | |
3985 | dgettext(TEXT_DOMAIN, "cannot remove %s"), path); | |
3986 | ||
3987 | if (zpool_is_draid_spare(path)) { | |
3988 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3989 | "dRAID spares cannot be removed")); | |
3990 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
3991 | } | |
3992 | ||
3993 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3994 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, | |
3995 | &islog)) == NULL) | |
3996 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
3997 | ||
3998 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); | |
3999 | if (islog && version < SPA_VERSION_HOLES) { | |
4000 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4001 | "pool must be upgraded to support log removal")); | |
4002 | return (zfs_error(hdl, EZFS_BADVERSION, errbuf)); | |
4003 | } | |
4004 | ||
4005 | zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
4006 | ||
4007 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) | |
4008 | return (0); | |
4009 | ||
4010 | switch (errno) { | |
4011 | ||
4012 | case EALREADY: | |
4013 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4014 | "removal for this vdev is already in progress.")); | |
4015 | (void) zfs_error(hdl, EZFS_BUSY, errbuf); | |
4016 | break; | |
4017 | ||
4018 | case EINVAL: | |
4019 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4020 | "invalid config; all top-level vdevs must " | |
4021 | "have the same sector size and not be raidz.")); | |
4022 | (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); | |
4023 | break; | |
4024 | ||
4025 | case EBUSY: | |
4026 | if (islog) { | |
4027 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4028 | "Mount encrypted datasets to replay logs.")); | |
4029 | } else { | |
4030 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4031 | "Pool busy; removal may already be in progress")); | |
4032 | } | |
4033 | (void) zfs_error(hdl, EZFS_BUSY, errbuf); | |
4034 | break; | |
4035 | ||
4036 | case EACCES: | |
4037 | if (islog) { | |
4038 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4039 | "Mount encrypted datasets to replay logs.")); | |
4040 | (void) zfs_error(hdl, EZFS_BUSY, errbuf); | |
4041 | } else { | |
4042 | (void) zpool_standard_error(hdl, errno, errbuf); | |
4043 | } | |
4044 | break; | |
4045 | ||
4046 | default: | |
4047 | (void) zpool_standard_error(hdl, errno, errbuf); | |
4048 | } | |
4049 | return (-1); | |
4050 | } | |
4051 | ||
4052 | int | |
4053 | zpool_vdev_remove_cancel(zpool_handle_t *zhp) | |
4054 | { | |
4055 | zfs_cmd_t zc = {{0}}; | |
4056 | char errbuf[ERRBUFLEN]; | |
4057 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4058 | ||
4059 | (void) snprintf(errbuf, sizeof (errbuf), | |
4060 | dgettext(TEXT_DOMAIN, "cannot cancel removal")); | |
4061 | ||
4062 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
4063 | zc.zc_cookie = 1; | |
4064 | ||
4065 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) | |
4066 | return (0); | |
4067 | ||
4068 | return (zpool_standard_error(hdl, errno, errbuf)); | |
4069 | } | |
4070 | ||
4071 | int | |
4072 | zpool_vdev_indirect_size(zpool_handle_t *zhp, const char *path, | |
4073 | uint64_t *sizep) | |
4074 | { | |
4075 | char errbuf[ERRBUFLEN]; | |
4076 | nvlist_t *tgt; | |
4077 | boolean_t avail_spare, l2cache, islog; | |
4078 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4079 | ||
4080 | (void) snprintf(errbuf, sizeof (errbuf), | |
4081 | dgettext(TEXT_DOMAIN, "cannot determine indirect size of %s"), | |
4082 | path); | |
4083 | ||
4084 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, | |
4085 | &islog)) == NULL) | |
4086 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
4087 | ||
4088 | if (avail_spare || l2cache || islog) { | |
4089 | *sizep = 0; | |
4090 | return (0); | |
4091 | } | |
4092 | ||
4093 | if (nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_INDIRECT_SIZE, sizep) != 0) { | |
4094 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
4095 | "indirect size not available")); | |
4096 | return (zfs_error(hdl, EINVAL, errbuf)); | |
4097 | } | |
4098 | return (0); | |
4099 | } | |
4100 | ||
4101 | /* | |
4102 | * Clear the errors for the pool, or the particular device if specified. | |
4103 | */ | |
4104 | int | |
4105 | zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) | |
4106 | { | |
4107 | zfs_cmd_t zc = {"\0"}; | |
4108 | char errbuf[ERRBUFLEN]; | |
4109 | nvlist_t *tgt; | |
4110 | zpool_load_policy_t policy; | |
4111 | boolean_t avail_spare, l2cache; | |
4112 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4113 | nvlist_t *nvi = NULL; | |
4114 | int error; | |
4115 | ||
4116 | if (path) | |
4117 | (void) snprintf(errbuf, sizeof (errbuf), | |
4118 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
4119 | path); | |
4120 | else | |
4121 | (void) snprintf(errbuf, sizeof (errbuf), | |
4122 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
4123 | zhp->zpool_name); | |
4124 | ||
4125 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
4126 | if (path) { | |
4127 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, | |
4128 | &l2cache, NULL)) == NULL) | |
4129 | return (zfs_error(hdl, EZFS_NODEVICE, errbuf)); | |
4130 | ||
4131 | /* | |
4132 | * Don't allow error clearing for hot spares. Do allow | |
4133 | * error clearing for l2cache devices. | |
4134 | */ | |
4135 | if (avail_spare) | |
4136 | return (zfs_error(hdl, EZFS_ISSPARE, errbuf)); | |
4137 | ||
4138 | zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
4139 | } | |
4140 | ||
4141 | zpool_get_load_policy(rewindnvl, &policy); | |
4142 | zc.zc_cookie = policy.zlp_rewind; | |
4143 | ||
4144 | zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2); | |
4145 | zcmd_write_src_nvlist(hdl, &zc, rewindnvl); | |
4146 | ||
4147 | while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && | |
4148 | errno == ENOMEM) | |
4149 | zcmd_expand_dst_nvlist(hdl, &zc); | |
4150 | ||
4151 | if (!error || ((policy.zlp_rewind & ZPOOL_TRY_REWIND) && | |
4152 | errno != EPERM && errno != EACCES)) { | |
4153 | if (policy.zlp_rewind & | |
4154 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
4155 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); | |
4156 | zpool_rewind_exclaim(hdl, zc.zc_name, | |
4157 | ((policy.zlp_rewind & ZPOOL_TRY_REWIND) != 0), | |
4158 | nvi); | |
4159 | nvlist_free(nvi); | |
4160 | } | |
4161 | zcmd_free_nvlists(&zc); | |
4162 | return (0); | |
4163 | } | |
4164 | ||
4165 | zcmd_free_nvlists(&zc); | |
4166 | return (zpool_standard_error(hdl, errno, errbuf)); | |
4167 | } | |
4168 | ||
4169 | /* | |
4170 | * Similar to zpool_clear(), but takes a GUID (used by fmd). | |
4171 | */ | |
4172 | int | |
4173 | zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) | |
4174 | { | |
4175 | zfs_cmd_t zc = {"\0"}; | |
4176 | char errbuf[ERRBUFLEN]; | |
4177 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4178 | ||
4179 | (void) snprintf(errbuf, sizeof (errbuf), | |
4180 | dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), | |
4181 | (u_longlong_t)guid); | |
4182 | ||
4183 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
4184 | zc.zc_guid = guid; | |
4185 | zc.zc_cookie = ZPOOL_NO_REWIND; | |
4186 | ||
4187 | if (zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc) == 0) | |
4188 | return (0); | |
4189 | ||
4190 | return (zpool_standard_error(hdl, errno, errbuf)); | |
4191 | } | |
4192 | ||
4193 | /* | |
4194 | * Change the GUID for a pool. | |
4195 | */ | |
4196 | int | |
4197 | zpool_reguid(zpool_handle_t *zhp) | |
4198 | { | |
4199 | char errbuf[ERRBUFLEN]; | |
4200 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4201 | zfs_cmd_t zc = {"\0"}; | |
4202 | ||
4203 | (void) snprintf(errbuf, sizeof (errbuf), | |
4204 | dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name); | |
4205 | ||
4206 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
4207 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0) | |
4208 | return (0); | |
4209 | ||
4210 | return (zpool_standard_error(hdl, errno, errbuf)); | |
4211 | } | |
4212 | ||
4213 | /* | |
4214 | * Reopen the pool. | |
4215 | */ | |
4216 | int | |
4217 | zpool_reopen_one(zpool_handle_t *zhp, void *data) | |
4218 | { | |
4219 | libzfs_handle_t *hdl = zpool_get_handle(zhp); | |
4220 | const char *pool_name = zpool_get_name(zhp); | |
4221 | boolean_t *scrub_restart = data; | |
4222 | int error; | |
4223 | ||
4224 | error = lzc_reopen(pool_name, *scrub_restart); | |
4225 | if (error) { | |
4226 | return (zpool_standard_error_fmt(hdl, error, | |
4227 | dgettext(TEXT_DOMAIN, "cannot reopen '%s'"), pool_name)); | |
4228 | } | |
4229 | ||
4230 | return (0); | |
4231 | } | |
4232 | ||
4233 | /* call into libzfs_core to execute the sync IOCTL per pool */ | |
4234 | int | |
4235 | zpool_sync_one(zpool_handle_t *zhp, void *data) | |
4236 | { | |
4237 | int ret; | |
4238 | libzfs_handle_t *hdl = zpool_get_handle(zhp); | |
4239 | const char *pool_name = zpool_get_name(zhp); | |
4240 | boolean_t *force = data; | |
4241 | nvlist_t *innvl = fnvlist_alloc(); | |
4242 | ||
4243 | fnvlist_add_boolean_value(innvl, "force", *force); | |
4244 | if ((ret = lzc_sync(pool_name, innvl, NULL)) != 0) { | |
4245 | nvlist_free(innvl); | |
4246 | return (zpool_standard_error_fmt(hdl, ret, | |
4247 | dgettext(TEXT_DOMAIN, "sync '%s' failed"), pool_name)); | |
4248 | } | |
4249 | nvlist_free(innvl); | |
4250 | ||
4251 | return (0); | |
4252 | } | |
4253 | ||
4254 | #define PATH_BUF_LEN 64 | |
4255 | ||
4256 | /* | |
4257 | * Given a vdev, return the name to display in iostat. If the vdev has a path, | |
4258 | * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. | |
4259 | * We also check if this is a whole disk, in which case we strip off the | |
4260 | * trailing 's0' slice name. | |
4261 | * | |
4262 | * This routine is also responsible for identifying when disks have been | |
4263 | * reconfigured in a new location. The kernel will have opened the device by | |
4264 | * devid, but the path will still refer to the old location. To catch this, we | |
4265 | * first do a path -> devid translation (which is fast for the common case). If | |
4266 | * the devid matches, we're done. If not, we do a reverse devid -> path | |
4267 | * translation and issue the appropriate ioctl() to update the path of the vdev. | |
4268 | * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any | |
4269 | * of these checks. | |
4270 | */ | |
4271 | char * | |
4272 | zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, | |
4273 | int name_flags) | |
4274 | { | |
4275 | const char *type, *tpath; | |
4276 | const char *path; | |
4277 | uint64_t value; | |
4278 | char buf[PATH_BUF_LEN]; | |
4279 | char tmpbuf[PATH_BUF_LEN * 2]; | |
4280 | ||
4281 | /* | |
4282 | * vdev_name will be "root"/"root-0" for the root vdev, but it is the | |
4283 | * zpool name that will be displayed to the user. | |
4284 | */ | |
4285 | type = fnvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE); | |
4286 | if (zhp != NULL && strcmp(type, "root") == 0) | |
4287 | return (zfs_strdup(hdl, zpool_get_name(zhp))); | |
4288 | ||
4289 | if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_PATH")) | |
4290 | name_flags |= VDEV_NAME_PATH; | |
4291 | if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_GUID")) | |
4292 | name_flags |= VDEV_NAME_GUID; | |
4293 | if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_FOLLOW_LINKS")) | |
4294 | name_flags |= VDEV_NAME_FOLLOW_LINKS; | |
4295 | ||
4296 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &value) == 0 || | |
4297 | name_flags & VDEV_NAME_GUID) { | |
4298 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value); | |
4299 | (void) snprintf(buf, sizeof (buf), "%llu", (u_longlong_t)value); | |
4300 | path = buf; | |
4301 | } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &tpath) == 0) { | |
4302 | path = tpath; | |
4303 | ||
4304 | if (name_flags & VDEV_NAME_FOLLOW_LINKS) { | |
4305 | char *rp = realpath(path, NULL); | |
4306 | if (rp) { | |
4307 | strlcpy(buf, rp, sizeof (buf)); | |
4308 | path = buf; | |
4309 | free(rp); | |
4310 | } | |
4311 | } | |
4312 | ||
4313 | /* | |
4314 | * For a block device only use the name. | |
4315 | */ | |
4316 | if ((strcmp(type, VDEV_TYPE_DISK) == 0) && | |
4317 | !(name_flags & VDEV_NAME_PATH)) { | |
4318 | path = zfs_strip_path(path); | |
4319 | } | |
4320 | ||
4321 | /* | |
4322 | * Remove the partition from the path if this is a whole disk. | |
4323 | */ | |
4324 | if (strcmp(type, VDEV_TYPE_DRAID_SPARE) != 0 && | |
4325 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, &value) | |
4326 | == 0 && value && !(name_flags & VDEV_NAME_PATH)) { | |
4327 | return (zfs_strip_partition(path)); | |
4328 | } | |
4329 | } else { | |
4330 | path = type; | |
4331 | ||
4332 | /* | |
4333 | * If it's a raidz device, we need to stick in the parity level. | |
4334 | */ | |
4335 | if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { | |
4336 | value = fnvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY); | |
4337 | (void) snprintf(buf, sizeof (buf), "%s%llu", path, | |
4338 | (u_longlong_t)value); | |
4339 | path = buf; | |
4340 | } | |
4341 | ||
4342 | /* | |
4343 | * If it's a dRAID device, we add parity, groups, and spares. | |
4344 | */ | |
4345 | if (strcmp(path, VDEV_TYPE_DRAID) == 0) { | |
4346 | uint64_t ndata, nparity, nspares; | |
4347 | nvlist_t **child; | |
4348 | uint_t children; | |
4349 | ||
4350 | verify(nvlist_lookup_nvlist_array(nv, | |
4351 | ZPOOL_CONFIG_CHILDREN, &child, &children) == 0); | |
4352 | nparity = fnvlist_lookup_uint64(nv, | |
4353 | ZPOOL_CONFIG_NPARITY); | |
4354 | ndata = fnvlist_lookup_uint64(nv, | |
4355 | ZPOOL_CONFIG_DRAID_NDATA); | |
4356 | nspares = fnvlist_lookup_uint64(nv, | |
4357 | ZPOOL_CONFIG_DRAID_NSPARES); | |
4358 | ||
4359 | path = zpool_draid_name(buf, sizeof (buf), ndata, | |
4360 | nparity, nspares, children); | |
4361 | } | |
4362 | ||
4363 | /* | |
4364 | * We identify each top-level vdev by using a <type-id> | |
4365 | * naming convention. | |
4366 | */ | |
4367 | if (name_flags & VDEV_NAME_TYPE_ID) { | |
4368 | uint64_t id = fnvlist_lookup_uint64(nv, | |
4369 | ZPOOL_CONFIG_ID); | |
4370 | (void) snprintf(tmpbuf, sizeof (tmpbuf), "%s-%llu", | |
4371 | path, (u_longlong_t)id); | |
4372 | path = tmpbuf; | |
4373 | } | |
4374 | } | |
4375 | ||
4376 | return (zfs_strdup(hdl, path)); | |
4377 | } | |
4378 | ||
4379 | static int | |
4380 | zbookmark_mem_compare(const void *a, const void *b) | |
4381 | { | |
4382 | return (memcmp(a, b, sizeof (zbookmark_phys_t))); | |
4383 | } | |
4384 | ||
4385 | /* | |
4386 | * Retrieve the persistent error log, uniquify the members, and return to the | |
4387 | * caller. | |
4388 | */ | |
4389 | int | |
4390 | zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) | |
4391 | { | |
4392 | zfs_cmd_t zc = {"\0"}; | |
4393 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4394 | zbookmark_phys_t *buf; | |
4395 | uint64_t buflen = 10000; /* approx. 1MB of RAM */ | |
4396 | ||
4397 | if (fnvlist_lookup_uint64(zhp->zpool_config, | |
4398 | ZPOOL_CONFIG_ERRCOUNT) == 0) | |
4399 | return (0); | |
4400 | ||
4401 | /* | |
4402 | * Retrieve the raw error list from the kernel. If it doesn't fit, | |
4403 | * allocate a larger buffer and retry. | |
4404 | */ | |
4405 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
4406 | for (;;) { | |
4407 | buf = zfs_alloc(zhp->zpool_hdl, | |
4408 | buflen * sizeof (zbookmark_phys_t)); | |
4409 | zc.zc_nvlist_dst = (uintptr_t)buf; | |
4410 | zc.zc_nvlist_dst_size = buflen; | |
4411 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_ERROR_LOG, | |
4412 | &zc) != 0) { | |
4413 | free(buf); | |
4414 | if (errno == ENOMEM) { | |
4415 | buflen *= 2; | |
4416 | } else { | |
4417 | return (zpool_standard_error_fmt(hdl, errno, | |
4418 | dgettext(TEXT_DOMAIN, "errors: List of " | |
4419 | "errors unavailable"))); | |
4420 | } | |
4421 | } else { | |
4422 | break; | |
4423 | } | |
4424 | } | |
4425 | ||
4426 | /* | |
4427 | * Sort the resulting bookmarks. This is a little confusing due to the | |
4428 | * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last | |
4429 | * to first, and 'zc_nvlist_dst_size' indicates the number of bookmarks | |
4430 | * _not_ copied as part of the process. So we point the start of our | |
4431 | * array appropriate and decrement the total number of elements. | |
4432 | */ | |
4433 | zbookmark_phys_t *zb = buf + zc.zc_nvlist_dst_size; | |
4434 | uint64_t zblen = buflen - zc.zc_nvlist_dst_size; | |
4435 | ||
4436 | qsort(zb, zblen, sizeof (zbookmark_phys_t), zbookmark_mem_compare); | |
4437 | ||
4438 | verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); | |
4439 | ||
4440 | /* | |
4441 | * Fill in the nverrlistp with nvlist's of dataset and object numbers. | |
4442 | */ | |
4443 | for (uint64_t i = 0; i < zblen; i++) { | |
4444 | nvlist_t *nv; | |
4445 | ||
4446 | /* ignoring zb_blkid and zb_level for now */ | |
4447 | if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && | |
4448 | zb[i-1].zb_object == zb[i].zb_object) | |
4449 | continue; | |
4450 | ||
4451 | if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) | |
4452 | goto nomem; | |
4453 | if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, | |
4454 | zb[i].zb_objset) != 0) { | |
4455 | nvlist_free(nv); | |
4456 | goto nomem; | |
4457 | } | |
4458 | if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, | |
4459 | zb[i].zb_object) != 0) { | |
4460 | nvlist_free(nv); | |
4461 | goto nomem; | |
4462 | } | |
4463 | if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { | |
4464 | nvlist_free(nv); | |
4465 | goto nomem; | |
4466 | } | |
4467 | nvlist_free(nv); | |
4468 | } | |
4469 | ||
4470 | free(buf); | |
4471 | return (0); | |
4472 | ||
4473 | nomem: | |
4474 | free(buf); | |
4475 | return (no_memory(zhp->zpool_hdl)); | |
4476 | } | |
4477 | ||
4478 | /* | |
4479 | * Upgrade a ZFS pool to the latest on-disk version. | |
4480 | */ | |
4481 | int | |
4482 | zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) | |
4483 | { | |
4484 | zfs_cmd_t zc = {"\0"}; | |
4485 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4486 | ||
4487 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
4488 | zc.zc_cookie = new_version; | |
4489 | ||
4490 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) | |
4491 | return (zpool_standard_error_fmt(hdl, errno, | |
4492 | dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), | |
4493 | zhp->zpool_name)); | |
4494 | return (0); | |
4495 | } | |
4496 | ||
4497 | void | |
4498 | zfs_save_arguments(int argc, char **argv, char *string, int len) | |
4499 | { | |
4500 | int i; | |
4501 | ||
4502 | (void) strlcpy(string, zfs_basename(argv[0]), len); | |
4503 | for (i = 1; i < argc; i++) { | |
4504 | (void) strlcat(string, " ", len); | |
4505 | (void) strlcat(string, argv[i], len); | |
4506 | } | |
4507 | } | |
4508 | ||
4509 | int | |
4510 | zpool_log_history(libzfs_handle_t *hdl, const char *message) | |
4511 | { | |
4512 | zfs_cmd_t zc = {"\0"}; | |
4513 | nvlist_t *args; | |
4514 | ||
4515 | args = fnvlist_alloc(); | |
4516 | fnvlist_add_string(args, "message", message); | |
4517 | zcmd_write_src_nvlist(hdl, &zc, args); | |
4518 | int err = zfs_ioctl(hdl, ZFS_IOC_LOG_HISTORY, &zc); | |
4519 | nvlist_free(args); | |
4520 | zcmd_free_nvlists(&zc); | |
4521 | return (err); | |
4522 | } | |
4523 | ||
4524 | /* | |
4525 | * Perform ioctl to get some command history of a pool. | |
4526 | * | |
4527 | * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the | |
4528 | * logical offset of the history buffer to start reading from. | |
4529 | * | |
4530 | * Upon return, 'off' is the next logical offset to read from and | |
4531 | * 'len' is the actual amount of bytes read into 'buf'. | |
4532 | */ | |
4533 | static int | |
4534 | get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) | |
4535 | { | |
4536 | zfs_cmd_t zc = {"\0"}; | |
4537 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4538 | ||
4539 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
4540 | ||
4541 | zc.zc_history = (uint64_t)(uintptr_t)buf; | |
4542 | zc.zc_history_len = *len; | |
4543 | zc.zc_history_offset = *off; | |
4544 | ||
4545 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { | |
4546 | switch (errno) { | |
4547 | case EPERM: | |
4548 | return (zfs_error_fmt(hdl, EZFS_PERM, | |
4549 | dgettext(TEXT_DOMAIN, | |
4550 | "cannot show history for pool '%s'"), | |
4551 | zhp->zpool_name)); | |
4552 | case ENOENT: | |
4553 | return (zfs_error_fmt(hdl, EZFS_NOHISTORY, | |
4554 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
4555 | "'%s'"), zhp->zpool_name)); | |
4556 | case ENOTSUP: | |
4557 | return (zfs_error_fmt(hdl, EZFS_BADVERSION, | |
4558 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
4559 | "'%s', pool must be upgraded"), zhp->zpool_name)); | |
4560 | default: | |
4561 | return (zpool_standard_error_fmt(hdl, errno, | |
4562 | dgettext(TEXT_DOMAIN, | |
4563 | "cannot get history for '%s'"), zhp->zpool_name)); | |
4564 | } | |
4565 | } | |
4566 | ||
4567 | *len = zc.zc_history_len; | |
4568 | *off = zc.zc_history_offset; | |
4569 | ||
4570 | return (0); | |
4571 | } | |
4572 | ||
4573 | /* | |
4574 | * Retrieve the command history of a pool. | |
4575 | */ | |
4576 | int | |
4577 | zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp, uint64_t *off, | |
4578 | boolean_t *eof) | |
4579 | { | |
4580 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
4581 | char *buf; | |
4582 | int buflen = 128 * 1024; | |
4583 | nvlist_t **records = NULL; | |
4584 | uint_t numrecords = 0; | |
4585 | int err = 0, i; | |
4586 | uint64_t start = *off; | |
4587 | ||
4588 | buf = zfs_alloc(hdl, buflen); | |
4589 | ||
4590 | /* process about 1MiB a time */ | |
4591 | while (*off - start < 1024 * 1024) { | |
4592 | uint64_t bytes_read = buflen; | |
4593 | uint64_t leftover; | |
4594 | ||
4595 | if ((err = get_history(zhp, buf, off, &bytes_read)) != 0) | |
4596 | break; | |
4597 | ||
4598 | /* if nothing else was read in, we're at EOF, just return */ | |
4599 | if (!bytes_read) { | |
4600 | *eof = B_TRUE; | |
4601 | break; | |
4602 | } | |
4603 | ||
4604 | if ((err = zpool_history_unpack(buf, bytes_read, | |
4605 | &leftover, &records, &numrecords)) != 0) { | |
4606 | zpool_standard_error_fmt(hdl, err, | |
4607 | dgettext(TEXT_DOMAIN, | |
4608 | "cannot get history for '%s'"), zhp->zpool_name); | |
4609 | break; | |
4610 | } | |
4611 | *off -= leftover; | |
4612 | if (leftover == bytes_read) { | |
4613 | /* | |
4614 | * no progress made, because buffer is not big enough | |
4615 | * to hold this record; resize and retry. | |
4616 | */ | |
4617 | buflen *= 2; | |
4618 | free(buf); | |
4619 | buf = zfs_alloc(hdl, buflen); | |
4620 | } | |
4621 | } | |
4622 | ||
4623 | free(buf); | |
4624 | ||
4625 | if (!err) { | |
4626 | *nvhisp = fnvlist_alloc(); | |
4627 | fnvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, | |
4628 | (const nvlist_t **)records, numrecords); | |
4629 | } | |
4630 | for (i = 0; i < numrecords; i++) | |
4631 | nvlist_free(records[i]); | |
4632 | free(records); | |
4633 | ||
4634 | return (err); | |
4635 | } | |
4636 | ||
4637 | /* | |
4638 | * Retrieve the next event given the passed 'zevent_fd' file descriptor. | |
4639 | * If there is a new event available 'nvp' will contain a newly allocated | |
4640 | * nvlist and 'dropped' will be set to the number of missed events since | |
4641 | * the last call to this function. When 'nvp' is set to NULL it indicates | |
4642 | * no new events are available. In either case the function returns 0 and | |
4643 | * it is up to the caller to free 'nvp'. In the case of a fatal error the | |
4644 | * function will return a non-zero value. When the function is called in | |
4645 | * blocking mode (the default, unless the ZEVENT_NONBLOCK flag is passed), | |
4646 | * it will not return until a new event is available. | |
4647 | */ | |
4648 | int | |
4649 | zpool_events_next(libzfs_handle_t *hdl, nvlist_t **nvp, | |
4650 | int *dropped, unsigned flags, int zevent_fd) | |
4651 | { | |
4652 | zfs_cmd_t zc = {"\0"}; | |
4653 | int error = 0; | |
4654 | ||
4655 | *nvp = NULL; | |
4656 | *dropped = 0; | |
4657 | zc.zc_cleanup_fd = zevent_fd; | |
4658 | ||
4659 | if (flags & ZEVENT_NONBLOCK) | |
4660 | zc.zc_guid = ZEVENT_NONBLOCK; | |
4661 | ||
4662 | zcmd_alloc_dst_nvlist(hdl, &zc, ZEVENT_SIZE); | |
4663 | ||
4664 | retry: | |
4665 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_NEXT, &zc) != 0) { | |
4666 | switch (errno) { | |
4667 | case ESHUTDOWN: | |
4668 | error = zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
4669 | dgettext(TEXT_DOMAIN, "zfs shutdown")); | |
4670 | goto out; | |
4671 | case ENOENT: | |
4672 | /* Blocking error case should not occur */ | |
4673 | if (!(flags & ZEVENT_NONBLOCK)) | |
4674 | error = zpool_standard_error_fmt(hdl, errno, | |
4675 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
4676 | ||
4677 | goto out; | |
4678 | case ENOMEM: | |
4679 | zcmd_expand_dst_nvlist(hdl, &zc); | |
4680 | goto retry; | |
4681 | default: | |
4682 | error = zpool_standard_error_fmt(hdl, errno, | |
4683 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
4684 | goto out; | |
4685 | } | |
4686 | } | |
4687 | ||
4688 | error = zcmd_read_dst_nvlist(hdl, &zc, nvp); | |
4689 | if (error != 0) | |
4690 | goto out; | |
4691 | ||
4692 | *dropped = (int)zc.zc_cookie; | |
4693 | out: | |
4694 | zcmd_free_nvlists(&zc); | |
4695 | ||
4696 | return (error); | |
4697 | } | |
4698 | ||
4699 | /* | |
4700 | * Clear all events. | |
4701 | */ | |
4702 | int | |
4703 | zpool_events_clear(libzfs_handle_t *hdl, int *count) | |
4704 | { | |
4705 | zfs_cmd_t zc = {"\0"}; | |
4706 | ||
4707 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_CLEAR, &zc) != 0) | |
4708 | return (zpool_standard_error(hdl, errno, | |
4709 | dgettext(TEXT_DOMAIN, "cannot clear events"))); | |
4710 | ||
4711 | if (count != NULL) | |
4712 | *count = (int)zc.zc_cookie; /* # of events cleared */ | |
4713 | ||
4714 | return (0); | |
4715 | } | |
4716 | ||
4717 | /* | |
4718 | * Seek to a specific EID, ZEVENT_SEEK_START, or ZEVENT_SEEK_END for | |
4719 | * the passed zevent_fd file handle. On success zero is returned, | |
4720 | * otherwise -1 is returned and hdl->libzfs_error is set to the errno. | |
4721 | */ | |
4722 | int | |
4723 | zpool_events_seek(libzfs_handle_t *hdl, uint64_t eid, int zevent_fd) | |
4724 | { | |
4725 | zfs_cmd_t zc = {"\0"}; | |
4726 | int error = 0; | |
4727 | ||
4728 | zc.zc_guid = eid; | |
4729 | zc.zc_cleanup_fd = zevent_fd; | |
4730 | ||
4731 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_SEEK, &zc) != 0) { | |
4732 | switch (errno) { | |
4733 | case ENOENT: | |
4734 | error = zfs_error_fmt(hdl, EZFS_NOENT, | |
4735 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
4736 | break; | |
4737 | ||
4738 | case ENOMEM: | |
4739 | error = zfs_error_fmt(hdl, EZFS_NOMEM, | |
4740 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
4741 | break; | |
4742 | ||
4743 | default: | |
4744 | error = zpool_standard_error_fmt(hdl, errno, | |
4745 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
4746 | break; | |
4747 | } | |
4748 | } | |
4749 | ||
4750 | return (error); | |
4751 | } | |
4752 | ||
4753 | static void | |
4754 | zpool_obj_to_path_impl(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, | |
4755 | char *pathname, size_t len, boolean_t always_unmounted) | |
4756 | { | |
4757 | zfs_cmd_t zc = {"\0"}; | |
4758 | boolean_t mounted = B_FALSE; | |
4759 | char *mntpnt = NULL; | |
4760 | char dsname[ZFS_MAX_DATASET_NAME_LEN]; | |
4761 | ||
4762 | if (dsobj == 0) { | |
4763 | /* special case for the MOS */ | |
4764 | (void) snprintf(pathname, len, "<metadata>:<0x%llx>", | |
4765 | (longlong_t)obj); | |
4766 | return; | |
4767 | } | |
4768 | ||
4769 | /* get the dataset's name */ | |
4770 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
4771 | zc.zc_obj = dsobj; | |
4772 | if (zfs_ioctl(zhp->zpool_hdl, | |
4773 | ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { | |
4774 | /* just write out a path of two object numbers */ | |
4775 | (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", | |
4776 | (longlong_t)dsobj, (longlong_t)obj); | |
4777 | return; | |
4778 | } | |
4779 | (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); | |
4780 | ||
4781 | /* find out if the dataset is mounted */ | |
4782 | mounted = !always_unmounted && is_mounted(zhp->zpool_hdl, dsname, | |
4783 | &mntpnt); | |
4784 | ||
4785 | /* get the corrupted object's path */ | |
4786 | (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); | |
4787 | zc.zc_obj = obj; | |
4788 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_OBJ_TO_PATH, | |
4789 | &zc) == 0) { | |
4790 | if (mounted) { | |
4791 | (void) snprintf(pathname, len, "%s%s", mntpnt, | |
4792 | zc.zc_value); | |
4793 | } else { | |
4794 | (void) snprintf(pathname, len, "%s:%s", | |
4795 | dsname, zc.zc_value); | |
4796 | } | |
4797 | } else { | |
4798 | (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, | |
4799 | (longlong_t)obj); | |
4800 | } | |
4801 | free(mntpnt); | |
4802 | } | |
4803 | ||
4804 | void | |
4805 | zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, | |
4806 | char *pathname, size_t len) | |
4807 | { | |
4808 | zpool_obj_to_path_impl(zhp, dsobj, obj, pathname, len, B_FALSE); | |
4809 | } | |
4810 | ||
4811 | void | |
4812 | zpool_obj_to_path_ds(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, | |
4813 | char *pathname, size_t len) | |
4814 | { | |
4815 | zpool_obj_to_path_impl(zhp, dsobj, obj, pathname, len, B_TRUE); | |
4816 | } | |
4817 | /* | |
4818 | * Wait while the specified activity is in progress in the pool. | |
4819 | */ | |
4820 | int | |
4821 | zpool_wait(zpool_handle_t *zhp, zpool_wait_activity_t activity) | |
4822 | { | |
4823 | boolean_t missing; | |
4824 | ||
4825 | int error = zpool_wait_status(zhp, activity, &missing, NULL); | |
4826 | ||
4827 | if (missing) { | |
4828 | (void) zpool_standard_error_fmt(zhp->zpool_hdl, ENOENT, | |
4829 | dgettext(TEXT_DOMAIN, "error waiting in pool '%s'"), | |
4830 | zhp->zpool_name); | |
4831 | return (ENOENT); | |
4832 | } else { | |
4833 | return (error); | |
4834 | } | |
4835 | } | |
4836 | ||
4837 | /* | |
4838 | * Wait for the given activity and return the status of the wait (whether or not | |
4839 | * any waiting was done) in the 'waited' parameter. Non-existent pools are | |
4840 | * reported via the 'missing' parameter, rather than by printing an error | |
4841 | * message. This is convenient when this function is called in a loop over a | |
4842 | * long period of time (as it is, for example, by zpool's wait cmd). In that | |
4843 | * scenario, a pool being exported or destroyed should be considered a normal | |
4844 | * event, so we don't want to print an error when we find that the pool doesn't | |
4845 | * exist. | |
4846 | */ | |
4847 | int | |
4848 | zpool_wait_status(zpool_handle_t *zhp, zpool_wait_activity_t activity, | |
4849 | boolean_t *missing, boolean_t *waited) | |
4850 | { | |
4851 | int error = lzc_wait(zhp->zpool_name, activity, waited); | |
4852 | *missing = (error == ENOENT); | |
4853 | if (*missing) | |
4854 | return (0); | |
4855 | ||
4856 | if (error != 0) { | |
4857 | (void) zpool_standard_error_fmt(zhp->zpool_hdl, error, | |
4858 | dgettext(TEXT_DOMAIN, "error waiting in pool '%s'"), | |
4859 | zhp->zpool_name); | |
4860 | } | |
4861 | ||
4862 | return (error); | |
4863 | } | |
4864 | ||
4865 | int | |
4866 | zpool_set_bootenv(zpool_handle_t *zhp, const nvlist_t *envmap) | |
4867 | { | |
4868 | int error = lzc_set_bootenv(zhp->zpool_name, envmap); | |
4869 | if (error != 0) { | |
4870 | (void) zpool_standard_error_fmt(zhp->zpool_hdl, error, | |
4871 | dgettext(TEXT_DOMAIN, | |
4872 | "error setting bootenv in pool '%s'"), zhp->zpool_name); | |
4873 | } | |
4874 | ||
4875 | return (error); | |
4876 | } | |
4877 | ||
4878 | int | |
4879 | zpool_get_bootenv(zpool_handle_t *zhp, nvlist_t **nvlp) | |
4880 | { | |
4881 | nvlist_t *nvl; | |
4882 | int error; | |
4883 | ||
4884 | nvl = NULL; | |
4885 | error = lzc_get_bootenv(zhp->zpool_name, &nvl); | |
4886 | if (error != 0) { | |
4887 | (void) zpool_standard_error_fmt(zhp->zpool_hdl, error, | |
4888 | dgettext(TEXT_DOMAIN, | |
4889 | "error getting bootenv in pool '%s'"), zhp->zpool_name); | |
4890 | } else { | |
4891 | *nvlp = nvl; | |
4892 | } | |
4893 | ||
4894 | return (error); | |
4895 | } | |
4896 | ||
4897 | /* | |
4898 | * Attempt to read and parse feature file(s) (from "compatibility" property). | |
4899 | * Files contain zpool feature names, comma or whitespace-separated. | |
4900 | * Comments (# character to next newline) are discarded. | |
4901 | * | |
4902 | * Arguments: | |
4903 | * compatibility : string containing feature filenames | |
4904 | * features : either NULL or pointer to array of boolean | |
4905 | * report : either NULL or pointer to string buffer | |
4906 | * rlen : length of "report" buffer | |
4907 | * | |
4908 | * compatibility is NULL (unset), "", "off", "legacy", or list of | |
4909 | * comma-separated filenames. filenames should either be absolute, | |
4910 | * or relative to: | |
4911 | * 1) ZPOOL_SYSCONF_COMPAT_D (eg: /etc/zfs/compatibility.d) or | |
4912 | * 2) ZPOOL_DATA_COMPAT_D (eg: /usr/share/zfs/compatibility.d). | |
4913 | * (Unset), "" or "off" => enable all features | |
4914 | * "legacy" => disable all features | |
4915 | * | |
4916 | * Any feature names read from files which match unames in spa_feature_table | |
4917 | * will have the corresponding boolean set in the features array (if non-NULL). | |
4918 | * If more than one feature set specified, only features present in *all* of | |
4919 | * them will be set. | |
4920 | * | |
4921 | * "report" if not NULL will be populated with a suitable status message. | |
4922 | * | |
4923 | * Return values: | |
4924 | * ZPOOL_COMPATIBILITY_OK : files read and parsed ok | |
4925 | * ZPOOL_COMPATIBILITY_BADFILE : file too big or not a text file | |
4926 | * ZPOOL_COMPATIBILITY_BADTOKEN : SYSCONF file contains invalid feature name | |
4927 | * ZPOOL_COMPATIBILITY_WARNTOKEN : DATA file contains invalid feature name | |
4928 | * ZPOOL_COMPATIBILITY_NOFILES : no feature files found | |
4929 | */ | |
4930 | zpool_compat_status_t | |
4931 | zpool_load_compat(const char *compat, boolean_t *features, char *report, | |
4932 | size_t rlen) | |
4933 | { | |
4934 | int sdirfd, ddirfd, featfd; | |
4935 | struct stat fs; | |
4936 | char *fc; | |
4937 | char *ps, *ls, *ws; | |
4938 | char *file, *line, *word; | |
4939 | ||
4940 | char l_compat[ZFS_MAXPROPLEN]; | |
4941 | ||
4942 | boolean_t ret_nofiles = B_TRUE; | |
4943 | boolean_t ret_badfile = B_FALSE; | |
4944 | boolean_t ret_badtoken = B_FALSE; | |
4945 | boolean_t ret_warntoken = B_FALSE; | |
4946 | ||
4947 | /* special cases (unset), "" and "off" => enable all features */ | |
4948 | if (compat == NULL || compat[0] == '\0' || | |
4949 | strcmp(compat, ZPOOL_COMPAT_OFF) == 0) { | |
4950 | if (features != NULL) | |
4951 | for (uint_t i = 0; i < SPA_FEATURES; i++) | |
4952 | features[i] = B_TRUE; | |
4953 | if (report != NULL) | |
4954 | strlcpy(report, gettext("all features enabled"), rlen); | |
4955 | return (ZPOOL_COMPATIBILITY_OK); | |
4956 | } | |
4957 | ||
4958 | /* Final special case "legacy" => disable all features */ | |
4959 | if (strcmp(compat, ZPOOL_COMPAT_LEGACY) == 0) { | |
4960 | if (features != NULL) | |
4961 | for (uint_t i = 0; i < SPA_FEATURES; i++) | |
4962 | features[i] = B_FALSE; | |
4963 | if (report != NULL) | |
4964 | strlcpy(report, gettext("all features disabled"), rlen); | |
4965 | return (ZPOOL_COMPATIBILITY_OK); | |
4966 | } | |
4967 | ||
4968 | /* | |
4969 | * Start with all true; will be ANDed with results from each file | |
4970 | */ | |
4971 | if (features != NULL) | |
4972 | for (uint_t i = 0; i < SPA_FEATURES; i++) | |
4973 | features[i] = B_TRUE; | |
4974 | ||
4975 | char err_badfile[ZFS_MAXPROPLEN] = ""; | |
4976 | char err_badtoken[ZFS_MAXPROPLEN] = ""; | |
4977 | ||
4978 | /* | |
4979 | * We ignore errors from the directory open() | |
4980 | * as they're only needed if the filename is relative | |
4981 | * which will be checked during the openat(). | |
4982 | */ | |
4983 | ||
4984 | /* O_PATH safer than O_RDONLY if system allows it */ | |
4985 | #if defined(O_PATH) | |
4986 | #define ZC_DIR_FLAGS (O_DIRECTORY | O_CLOEXEC | O_PATH) | |
4987 | #else | |
4988 | #define ZC_DIR_FLAGS (O_DIRECTORY | O_CLOEXEC | O_RDONLY) | |
4989 | #endif | |
4990 | ||
4991 | sdirfd = open(ZPOOL_SYSCONF_COMPAT_D, ZC_DIR_FLAGS); | |
4992 | ddirfd = open(ZPOOL_DATA_COMPAT_D, ZC_DIR_FLAGS); | |
4993 | ||
4994 | (void) strlcpy(l_compat, compat, ZFS_MAXPROPLEN); | |
4995 | ||
4996 | for (file = strtok_r(l_compat, ",", &ps); | |
4997 | file != NULL; | |
4998 | file = strtok_r(NULL, ",", &ps)) { | |
4999 | ||
5000 | boolean_t l_features[SPA_FEATURES]; | |
5001 | ||
5002 | enum { Z_SYSCONF, Z_DATA } source; | |
5003 | ||
5004 | /* try sysconfdir first, then datadir */ | |
5005 | source = Z_SYSCONF; | |
5006 | if ((featfd = openat(sdirfd, file, O_RDONLY | O_CLOEXEC)) < 0) { | |
5007 | featfd = openat(ddirfd, file, O_RDONLY | O_CLOEXEC); | |
5008 | source = Z_DATA; | |
5009 | } | |
5010 | ||
5011 | /* File readable and correct size? */ | |
5012 | if (featfd < 0 || | |
5013 | fstat(featfd, &fs) < 0 || | |
5014 | fs.st_size < 1 || | |
5015 | fs.st_size > ZPOOL_COMPAT_MAXSIZE) { | |
5016 | (void) close(featfd); | |
5017 | strlcat(err_badfile, file, ZFS_MAXPROPLEN); | |
5018 | strlcat(err_badfile, " ", ZFS_MAXPROPLEN); | |
5019 | ret_badfile = B_TRUE; | |
5020 | continue; | |
5021 | } | |
5022 | ||
5023 | /* Prefault the file if system allows */ | |
5024 | #if defined(MAP_POPULATE) | |
5025 | #define ZC_MMAP_FLAGS (MAP_PRIVATE | MAP_POPULATE) | |
5026 | #elif defined(MAP_PREFAULT_READ) | |
5027 | #define ZC_MMAP_FLAGS (MAP_PRIVATE | MAP_PREFAULT_READ) | |
5028 | #else | |
5029 | #define ZC_MMAP_FLAGS (MAP_PRIVATE) | |
5030 | #endif | |
5031 | ||
5032 | /* private mmap() so we can strtok safely */ | |
5033 | fc = (char *)mmap(NULL, fs.st_size, PROT_READ | PROT_WRITE, | |
5034 | ZC_MMAP_FLAGS, featfd, 0); | |
5035 | (void) close(featfd); | |
5036 | ||
5037 | /* map ok, and last character == newline? */ | |
5038 | if (fc == MAP_FAILED || fc[fs.st_size - 1] != '\n') { | |
5039 | (void) munmap((void *) fc, fs.st_size); | |
5040 | strlcat(err_badfile, file, ZFS_MAXPROPLEN); | |
5041 | strlcat(err_badfile, " ", ZFS_MAXPROPLEN); | |
5042 | ret_badfile = B_TRUE; | |
5043 | continue; | |
5044 | } | |
5045 | ||
5046 | ret_nofiles = B_FALSE; | |
5047 | ||
5048 | for (uint_t i = 0; i < SPA_FEATURES; i++) | |
5049 | l_features[i] = B_FALSE; | |
5050 | ||
5051 | /* replace final newline with NULL to ensure string ends */ | |
5052 | fc[fs.st_size - 1] = '\0'; | |
5053 | ||
5054 | for (line = strtok_r(fc, "\n", &ls); | |
5055 | line != NULL; | |
5056 | line = strtok_r(NULL, "\n", &ls)) { | |
5057 | /* discard comments */ | |
5058 | char *r = strchr(line, '#'); | |
5059 | if (r != NULL) | |
5060 | *r = '\0'; | |
5061 | ||
5062 | for (word = strtok_r(line, ", \t", &ws); | |
5063 | word != NULL; | |
5064 | word = strtok_r(NULL, ", \t", &ws)) { | |
5065 | /* Find matching feature name */ | |
5066 | uint_t f; | |
5067 | for (f = 0; f < SPA_FEATURES; f++) { | |
5068 | zfeature_info_t *fi = | |
5069 | &spa_feature_table[f]; | |
5070 | if (strcmp(word, fi->fi_uname) == 0) { | |
5071 | l_features[f] = B_TRUE; | |
5072 | break; | |
5073 | } | |
5074 | } | |
5075 | if (f < SPA_FEATURES) | |
5076 | continue; | |
5077 | ||
5078 | /* found an unrecognized word */ | |
5079 | /* lightly sanitize it */ | |
5080 | if (strlen(word) > 32) | |
5081 | word[32] = '\0'; | |
5082 | for (char *c = word; *c != '\0'; c++) | |
5083 | if (!isprint(*c)) | |
5084 | *c = '?'; | |
5085 | ||
5086 | strlcat(err_badtoken, word, ZFS_MAXPROPLEN); | |
5087 | strlcat(err_badtoken, " ", ZFS_MAXPROPLEN); | |
5088 | if (source == Z_SYSCONF) | |
5089 | ret_badtoken = B_TRUE; | |
5090 | else | |
5091 | ret_warntoken = B_TRUE; | |
5092 | } | |
5093 | } | |
5094 | (void) munmap((void *) fc, fs.st_size); | |
5095 | ||
5096 | if (features != NULL) | |
5097 | for (uint_t i = 0; i < SPA_FEATURES; i++) | |
5098 | features[i] &= l_features[i]; | |
5099 | } | |
5100 | (void) close(sdirfd); | |
5101 | (void) close(ddirfd); | |
5102 | ||
5103 | /* Return the most serious error */ | |
5104 | if (ret_badfile) { | |
5105 | if (report != NULL) | |
5106 | snprintf(report, rlen, gettext("could not read/" | |
5107 | "parse feature file(s): %s"), err_badfile); | |
5108 | return (ZPOOL_COMPATIBILITY_BADFILE); | |
5109 | } | |
5110 | if (ret_nofiles) { | |
5111 | if (report != NULL) | |
5112 | strlcpy(report, | |
5113 | gettext("no valid compatibility files specified"), | |
5114 | rlen); | |
5115 | return (ZPOOL_COMPATIBILITY_NOFILES); | |
5116 | } | |
5117 | if (ret_badtoken) { | |
5118 | if (report != NULL) | |
5119 | snprintf(report, rlen, gettext("invalid feature " | |
5120 | "name(s) in local compatibility files: %s"), | |
5121 | err_badtoken); | |
5122 | return (ZPOOL_COMPATIBILITY_BADTOKEN); | |
5123 | } | |
5124 | if (ret_warntoken) { | |
5125 | if (report != NULL) | |
5126 | snprintf(report, rlen, gettext("unrecognized feature " | |
5127 | "name(s) in distribution compatibility files: %s"), | |
5128 | err_badtoken); | |
5129 | return (ZPOOL_COMPATIBILITY_WARNTOKEN); | |
5130 | } | |
5131 | if (report != NULL) | |
5132 | strlcpy(report, gettext("compatibility set ok"), rlen); | |
5133 | return (ZPOOL_COMPATIBILITY_OK); | |
5134 | } | |
5135 | ||
5136 | static int | |
5137 | zpool_vdev_guid(zpool_handle_t *zhp, const char *vdevname, uint64_t *vdev_guid) | |
5138 | { | |
5139 | nvlist_t *tgt; | |
5140 | boolean_t avail_spare, l2cache; | |
5141 | ||
5142 | verify(zhp != NULL); | |
5143 | if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { | |
5144 | char errbuf[ERRBUFLEN]; | |
5145 | (void) snprintf(errbuf, sizeof (errbuf), | |
5146 | dgettext(TEXT_DOMAIN, "pool is in an unavailable state")); | |
5147 | return (zfs_error(zhp->zpool_hdl, EZFS_POOLUNAVAIL, errbuf)); | |
5148 | } | |
5149 | ||
5150 | if ((tgt = zpool_find_vdev(zhp, vdevname, &avail_spare, &l2cache, | |
5151 | NULL)) == NULL) { | |
5152 | char errbuf[ERRBUFLEN]; | |
5153 | (void) snprintf(errbuf, sizeof (errbuf), | |
5154 | dgettext(TEXT_DOMAIN, "can not find %s in %s"), | |
5155 | vdevname, zhp->zpool_name); | |
5156 | return (zfs_error(zhp->zpool_hdl, EZFS_NODEVICE, errbuf)); | |
5157 | } | |
5158 | ||
5159 | *vdev_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID); | |
5160 | return (0); | |
5161 | } | |
5162 | ||
5163 | /* | |
5164 | * Get a vdev property value for 'prop' and return the value in | |
5165 | * a pre-allocated buffer. | |
5166 | */ | |
5167 | int | |
5168 | zpool_get_vdev_prop_value(nvlist_t *nvprop, vdev_prop_t prop, char *prop_name, | |
5169 | char *buf, size_t len, zprop_source_t *srctype, boolean_t literal) | |
5170 | { | |
5171 | nvlist_t *nv; | |
5172 | const char *strval; | |
5173 | uint64_t intval; | |
5174 | zprop_source_t src = ZPROP_SRC_NONE; | |
5175 | ||
5176 | if (prop == VDEV_PROP_USERPROP) { | |
5177 | /* user property, prop_name must contain the property name */ | |
5178 | assert(prop_name != NULL); | |
5179 | if (nvlist_lookup_nvlist(nvprop, prop_name, &nv) == 0) { | |
5180 | src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE); | |
5181 | strval = fnvlist_lookup_string(nv, ZPROP_VALUE); | |
5182 | } else { | |
5183 | /* user prop not found */ | |
5184 | return (-1); | |
5185 | } | |
5186 | (void) strlcpy(buf, strval, len); | |
5187 | if (srctype) | |
5188 | *srctype = src; | |
5189 | return (0); | |
5190 | } | |
5191 | ||
5192 | if (prop_name == NULL) | |
5193 | prop_name = (char *)vdev_prop_to_name(prop); | |
5194 | ||
5195 | switch (vdev_prop_get_type(prop)) { | |
5196 | case PROP_TYPE_STRING: | |
5197 | if (nvlist_lookup_nvlist(nvprop, prop_name, &nv) == 0) { | |
5198 | src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE); | |
5199 | strval = fnvlist_lookup_string(nv, ZPROP_VALUE); | |
5200 | } else { | |
5201 | src = ZPROP_SRC_DEFAULT; | |
5202 | if ((strval = vdev_prop_default_string(prop)) == NULL) | |
5203 | strval = "-"; | |
5204 | } | |
5205 | (void) strlcpy(buf, strval, len); | |
5206 | break; | |
5207 | ||
5208 | case PROP_TYPE_NUMBER: | |
5209 | if (nvlist_lookup_nvlist(nvprop, prop_name, &nv) == 0) { | |
5210 | src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE); | |
5211 | intval = fnvlist_lookup_uint64(nv, ZPROP_VALUE); | |
5212 | } else { | |
5213 | src = ZPROP_SRC_DEFAULT; | |
5214 | intval = vdev_prop_default_numeric(prop); | |
5215 | } | |
5216 | ||
5217 | switch (prop) { | |
5218 | case VDEV_PROP_ASIZE: | |
5219 | case VDEV_PROP_PSIZE: | |
5220 | case VDEV_PROP_SIZE: | |
5221 | case VDEV_PROP_BOOTSIZE: | |
5222 | case VDEV_PROP_ALLOCATED: | |
5223 | case VDEV_PROP_FREE: | |
5224 | case VDEV_PROP_READ_ERRORS: | |
5225 | case VDEV_PROP_WRITE_ERRORS: | |
5226 | case VDEV_PROP_CHECKSUM_ERRORS: | |
5227 | case VDEV_PROP_INITIALIZE_ERRORS: | |
5228 | case VDEV_PROP_OPS_NULL: | |
5229 | case VDEV_PROP_OPS_READ: | |
5230 | case VDEV_PROP_OPS_WRITE: | |
5231 | case VDEV_PROP_OPS_FREE: | |
5232 | case VDEV_PROP_OPS_CLAIM: | |
5233 | case VDEV_PROP_OPS_TRIM: | |
5234 | case VDEV_PROP_BYTES_NULL: | |
5235 | case VDEV_PROP_BYTES_READ: | |
5236 | case VDEV_PROP_BYTES_WRITE: | |
5237 | case VDEV_PROP_BYTES_FREE: | |
5238 | case VDEV_PROP_BYTES_CLAIM: | |
5239 | case VDEV_PROP_BYTES_TRIM: | |
5240 | if (literal) { | |
5241 | (void) snprintf(buf, len, "%llu", | |
5242 | (u_longlong_t)intval); | |
5243 | } else { | |
5244 | (void) zfs_nicenum(intval, buf, len); | |
5245 | } | |
5246 | break; | |
5247 | case VDEV_PROP_EXPANDSZ: | |
5248 | if (intval == 0) { | |
5249 | (void) strlcpy(buf, "-", len); | |
5250 | } else if (literal) { | |
5251 | (void) snprintf(buf, len, "%llu", | |
5252 | (u_longlong_t)intval); | |
5253 | } else { | |
5254 | (void) zfs_nicenum(intval, buf, len); | |
5255 | } | |
5256 | break; | |
5257 | case VDEV_PROP_CAPACITY: | |
5258 | if (literal) { | |
5259 | (void) snprintf(buf, len, "%llu", | |
5260 | (u_longlong_t)intval); | |
5261 | } else { | |
5262 | (void) snprintf(buf, len, "%llu%%", | |
5263 | (u_longlong_t)intval); | |
5264 | } | |
5265 | break; | |
5266 | case VDEV_PROP_CHECKSUM_N: | |
5267 | case VDEV_PROP_CHECKSUM_T: | |
5268 | case VDEV_PROP_IO_N: | |
5269 | case VDEV_PROP_IO_T: | |
5270 | case VDEV_PROP_SLOW_IO_N: | |
5271 | case VDEV_PROP_SLOW_IO_T: | |
5272 | if (intval == UINT64_MAX) { | |
5273 | (void) strlcpy(buf, "-", len); | |
5274 | } else { | |
5275 | (void) snprintf(buf, len, "%llu", | |
5276 | (u_longlong_t)intval); | |
5277 | } | |
5278 | break; | |
5279 | case VDEV_PROP_FRAGMENTATION: | |
5280 | if (intval == UINT64_MAX) { | |
5281 | (void) strlcpy(buf, "-", len); | |
5282 | } else { | |
5283 | (void) snprintf(buf, len, "%llu%%", | |
5284 | (u_longlong_t)intval); | |
5285 | } | |
5286 | break; | |
5287 | case VDEV_PROP_STATE: | |
5288 | if (literal) { | |
5289 | (void) snprintf(buf, len, "%llu", | |
5290 | (u_longlong_t)intval); | |
5291 | } else { | |
5292 | (void) strlcpy(buf, zpool_state_to_name(intval, | |
5293 | VDEV_AUX_NONE), len); | |
5294 | } | |
5295 | break; | |
5296 | default: | |
5297 | (void) snprintf(buf, len, "%llu", | |
5298 | (u_longlong_t)intval); | |
5299 | } | |
5300 | break; | |
5301 | ||
5302 | case PROP_TYPE_INDEX: | |
5303 | if (nvlist_lookup_nvlist(nvprop, prop_name, &nv) == 0) { | |
5304 | src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE); | |
5305 | intval = fnvlist_lookup_uint64(nv, ZPROP_VALUE); | |
5306 | } else { | |
5307 | src = ZPROP_SRC_DEFAULT; | |
5308 | intval = vdev_prop_default_numeric(prop); | |
5309 | /* Only use if provided by the RAIDZ VDEV above */ | |
5310 | if (prop == VDEV_PROP_RAIDZ_EXPANDING) | |
5311 | return (ENOENT); | |
5312 | } | |
5313 | if (vdev_prop_index_to_string(prop, intval, | |
5314 | (const char **)&strval) != 0) | |
5315 | return (-1); | |
5316 | (void) strlcpy(buf, strval, len); | |
5317 | break; | |
5318 | ||
5319 | default: | |
5320 | abort(); | |
5321 | } | |
5322 | ||
5323 | if (srctype) | |
5324 | *srctype = src; | |
5325 | ||
5326 | return (0); | |
5327 | } | |
5328 | ||
5329 | /* | |
5330 | * Get a vdev property value for 'prop_name' and return the value in | |
5331 | * a pre-allocated buffer. | |
5332 | */ | |
5333 | int | |
5334 | zpool_get_vdev_prop(zpool_handle_t *zhp, const char *vdevname, vdev_prop_t prop, | |
5335 | char *prop_name, char *buf, size_t len, zprop_source_t *srctype, | |
5336 | boolean_t literal) | |
5337 | { | |
5338 | nvlist_t *reqnvl, *reqprops; | |
5339 | nvlist_t *retprops = NULL; | |
5340 | uint64_t vdev_guid = 0; | |
5341 | int ret; | |
5342 | ||
5343 | if ((ret = zpool_vdev_guid(zhp, vdevname, &vdev_guid)) != 0) | |
5344 | return (ret); | |
5345 | ||
5346 | if (nvlist_alloc(&reqnvl, NV_UNIQUE_NAME, 0) != 0) | |
5347 | return (no_memory(zhp->zpool_hdl)); | |
5348 | if (nvlist_alloc(&reqprops, NV_UNIQUE_NAME, 0) != 0) | |
5349 | return (no_memory(zhp->zpool_hdl)); | |
5350 | ||
5351 | fnvlist_add_uint64(reqnvl, ZPOOL_VDEV_PROPS_GET_VDEV, vdev_guid); | |
5352 | ||
5353 | if (prop != VDEV_PROP_USERPROP) { | |
5354 | /* prop_name overrides prop value */ | |
5355 | if (prop_name != NULL) | |
5356 | prop = vdev_name_to_prop(prop_name); | |
5357 | else | |
5358 | prop_name = (char *)vdev_prop_to_name(prop); | |
5359 | assert(prop < VDEV_NUM_PROPS); | |
5360 | } | |
5361 | ||
5362 | assert(prop_name != NULL); | |
5363 | if (nvlist_add_uint64(reqprops, prop_name, prop) != 0) { | |
5364 | nvlist_free(reqnvl); | |
5365 | nvlist_free(reqprops); | |
5366 | return (no_memory(zhp->zpool_hdl)); | |
5367 | } | |
5368 | ||
5369 | fnvlist_add_nvlist(reqnvl, ZPOOL_VDEV_PROPS_GET_PROPS, reqprops); | |
5370 | ||
5371 | ret = lzc_get_vdev_prop(zhp->zpool_name, reqnvl, &retprops); | |
5372 | ||
5373 | if (ret == 0) { | |
5374 | ret = zpool_get_vdev_prop_value(retprops, prop, prop_name, buf, | |
5375 | len, srctype, literal); | |
5376 | } else { | |
5377 | char errbuf[ERRBUFLEN]; | |
5378 | (void) snprintf(errbuf, sizeof (errbuf), | |
5379 | dgettext(TEXT_DOMAIN, "cannot get vdev property %s from" | |
5380 | " %s in %s"), prop_name, vdevname, zhp->zpool_name); | |
5381 | (void) zpool_standard_error(zhp->zpool_hdl, ret, errbuf); | |
5382 | } | |
5383 | ||
5384 | nvlist_free(reqnvl); | |
5385 | nvlist_free(reqprops); | |
5386 | nvlist_free(retprops); | |
5387 | ||
5388 | return (ret); | |
5389 | } | |
5390 | ||
5391 | /* | |
5392 | * Get all vdev properties | |
5393 | */ | |
5394 | int | |
5395 | zpool_get_all_vdev_props(zpool_handle_t *zhp, const char *vdevname, | |
5396 | nvlist_t **outnvl) | |
5397 | { | |
5398 | nvlist_t *nvl = NULL; | |
5399 | uint64_t vdev_guid = 0; | |
5400 | int ret; | |
5401 | ||
5402 | if ((ret = zpool_vdev_guid(zhp, vdevname, &vdev_guid)) != 0) | |
5403 | return (ret); | |
5404 | ||
5405 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) | |
5406 | return (no_memory(zhp->zpool_hdl)); | |
5407 | ||
5408 | fnvlist_add_uint64(nvl, ZPOOL_VDEV_PROPS_GET_VDEV, vdev_guid); | |
5409 | ||
5410 | ret = lzc_get_vdev_prop(zhp->zpool_name, nvl, outnvl); | |
5411 | ||
5412 | nvlist_free(nvl); | |
5413 | ||
5414 | if (ret) { | |
5415 | char errbuf[ERRBUFLEN]; | |
5416 | (void) snprintf(errbuf, sizeof (errbuf), | |
5417 | dgettext(TEXT_DOMAIN, "cannot get vdev properties for" | |
5418 | " %s in %s"), vdevname, zhp->zpool_name); | |
5419 | (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); | |
5420 | } | |
5421 | ||
5422 | return (ret); | |
5423 | } | |
5424 | ||
5425 | /* | |
5426 | * Set vdev property | |
5427 | */ | |
5428 | int | |
5429 | zpool_set_vdev_prop(zpool_handle_t *zhp, const char *vdevname, | |
5430 | const char *propname, const char *propval) | |
5431 | { | |
5432 | int ret; | |
5433 | nvlist_t *nvl = NULL; | |
5434 | nvlist_t *outnvl = NULL; | |
5435 | nvlist_t *props; | |
5436 | nvlist_t *realprops; | |
5437 | prop_flags_t flags = { 0 }; | |
5438 | uint64_t version; | |
5439 | uint64_t vdev_guid; | |
5440 | ||
5441 | if ((ret = zpool_vdev_guid(zhp, vdevname, &vdev_guid)) != 0) | |
5442 | return (ret); | |
5443 | ||
5444 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) | |
5445 | return (no_memory(zhp->zpool_hdl)); | |
5446 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) | |
5447 | return (no_memory(zhp->zpool_hdl)); | |
5448 | ||
5449 | fnvlist_add_uint64(nvl, ZPOOL_VDEV_PROPS_SET_VDEV, vdev_guid); | |
5450 | ||
5451 | if (nvlist_add_string(props, propname, propval) != 0) { | |
5452 | nvlist_free(props); | |
5453 | return (no_memory(zhp->zpool_hdl)); | |
5454 | } | |
5455 | ||
5456 | char errbuf[ERRBUFLEN]; | |
5457 | (void) snprintf(errbuf, sizeof (errbuf), | |
5458 | dgettext(TEXT_DOMAIN, "cannot set property %s for %s on %s"), | |
5459 | propname, vdevname, zhp->zpool_name); | |
5460 | ||
5461 | flags.vdevprop = 1; | |
5462 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); | |
5463 | if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, | |
5464 | zhp->zpool_name, props, version, flags, errbuf)) == NULL) { | |
5465 | nvlist_free(props); | |
5466 | nvlist_free(nvl); | |
5467 | return (-1); | |
5468 | } | |
5469 | ||
5470 | nvlist_free(props); | |
5471 | props = realprops; | |
5472 | ||
5473 | fnvlist_add_nvlist(nvl, ZPOOL_VDEV_PROPS_SET_PROPS, props); | |
5474 | ||
5475 | ret = lzc_set_vdev_prop(zhp->zpool_name, nvl, &outnvl); | |
5476 | ||
5477 | nvlist_free(props); | |
5478 | nvlist_free(nvl); | |
5479 | nvlist_free(outnvl); | |
5480 | ||
5481 | if (ret) | |
5482 | (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); | |
5483 | ||
5484 | return (ret); | |
5485 | } |