]>
Commit | Line | Data |
---|---|---|
34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | ||
22 | /* | |
428870ff | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
3541dc6d | 24 | * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
5dbd68a3 | 25 | * Copyright (c) 2012, 2014 by Delphix. All rights reserved. |
34dc7c2f BB |
26 | */ |
27 | ||
34dc7c2f BB |
28 | #include <ctype.h> |
29 | #include <errno.h> | |
30 | #include <devid.h> | |
34dc7c2f BB |
31 | #include <fcntl.h> |
32 | #include <libintl.h> | |
33 | #include <stdio.h> | |
34 | #include <stdlib.h> | |
35 | #include <strings.h> | |
36 | #include <unistd.h> | |
6f1ffb06 | 37 | #include <libgen.h> |
d603ed6c BB |
38 | #include <zone.h> |
39 | #include <sys/stat.h> | |
34dc7c2f BB |
40 | #include <sys/efi_partition.h> |
41 | #include <sys/vtoc.h> | |
42 | #include <sys/zfs_ioctl.h> | |
9babb374 | 43 | #include <dlfcn.h> |
34dc7c2f BB |
44 | |
45 | #include "zfs_namecheck.h" | |
46 | #include "zfs_prop.h" | |
47 | #include "libzfs_impl.h" | |
428870ff | 48 | #include "zfs_comutil.h" |
9ae529ec | 49 | #include "zfeature_common.h" |
34dc7c2f | 50 | |
b128c09f BB |
51 | static int read_efi_label(nvlist_t *config, diskaddr_t *sb); |
52 | ||
572e2857 BB |
53 | typedef struct prop_flags { |
54 | int create:1; /* Validate property on creation */ | |
55 | int import:1; /* Validate property on import */ | |
56 | } prop_flags_t; | |
57 | ||
34dc7c2f BB |
58 | /* |
59 | * ==================================================================== | |
60 | * zpool property functions | |
61 | * ==================================================================== | |
62 | */ | |
63 | ||
64 | static int | |
65 | zpool_get_all_props(zpool_handle_t *zhp) | |
66 | { | |
13fe0198 | 67 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
68 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
69 | ||
70 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
71 | ||
72 | if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) | |
73 | return (-1); | |
74 | ||
75 | while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { | |
76 | if (errno == ENOMEM) { | |
77 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
78 | zcmd_free_nvlists(&zc); | |
79 | return (-1); | |
80 | } | |
81 | } else { | |
82 | zcmd_free_nvlists(&zc); | |
83 | return (-1); | |
84 | } | |
85 | } | |
86 | ||
87 | if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { | |
88 | zcmd_free_nvlists(&zc); | |
89 | return (-1); | |
90 | } | |
91 | ||
92 | zcmd_free_nvlists(&zc); | |
93 | ||
94 | return (0); | |
95 | } | |
96 | ||
97 | static int | |
98 | zpool_props_refresh(zpool_handle_t *zhp) | |
99 | { | |
100 | nvlist_t *old_props; | |
101 | ||
102 | old_props = zhp->zpool_props; | |
103 | ||
104 | if (zpool_get_all_props(zhp) != 0) | |
105 | return (-1); | |
106 | ||
107 | nvlist_free(old_props); | |
108 | return (0); | |
109 | } | |
110 | ||
111 | static char * | |
112 | zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, | |
113 | zprop_source_t *src) | |
114 | { | |
115 | nvlist_t *nv, *nvl; | |
116 | uint64_t ival; | |
117 | char *value; | |
118 | zprop_source_t source; | |
119 | ||
120 | nvl = zhp->zpool_props; | |
121 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
122 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); | |
123 | source = ival; | |
124 | verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); | |
125 | } else { | |
126 | source = ZPROP_SRC_DEFAULT; | |
127 | if ((value = (char *)zpool_prop_default_string(prop)) == NULL) | |
128 | value = "-"; | |
129 | } | |
130 | ||
131 | if (src) | |
132 | *src = source; | |
133 | ||
134 | return (value); | |
135 | } | |
136 | ||
137 | uint64_t | |
138 | zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) | |
139 | { | |
140 | nvlist_t *nv, *nvl; | |
141 | uint64_t value; | |
142 | zprop_source_t source; | |
143 | ||
b128c09f BB |
144 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { |
145 | /* | |
146 | * zpool_get_all_props() has most likely failed because | |
147 | * the pool is faulted, but if all we need is the top level | |
148 | * vdev's guid then get it from the zhp config nvlist. | |
149 | */ | |
150 | if ((prop == ZPOOL_PROP_GUID) && | |
151 | (nvlist_lookup_nvlist(zhp->zpool_config, | |
152 | ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && | |
153 | (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) | |
154 | == 0)) { | |
155 | return (value); | |
156 | } | |
34dc7c2f | 157 | return (zpool_prop_default_numeric(prop)); |
b128c09f | 158 | } |
34dc7c2f BB |
159 | |
160 | nvl = zhp->zpool_props; | |
161 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
162 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); | |
163 | source = value; | |
164 | verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); | |
165 | } else { | |
166 | source = ZPROP_SRC_DEFAULT; | |
167 | value = zpool_prop_default_numeric(prop); | |
168 | } | |
169 | ||
170 | if (src) | |
171 | *src = source; | |
172 | ||
173 | return (value); | |
174 | } | |
175 | ||
176 | /* | |
177 | * Map VDEV STATE to printed strings. | |
178 | */ | |
179 | char * | |
180 | zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) | |
181 | { | |
182 | switch (state) { | |
e75c13c3 BB |
183 | default: |
184 | break; | |
34dc7c2f BB |
185 | case VDEV_STATE_CLOSED: |
186 | case VDEV_STATE_OFFLINE: | |
187 | return (gettext("OFFLINE")); | |
188 | case VDEV_STATE_REMOVED: | |
189 | return (gettext("REMOVED")); | |
190 | case VDEV_STATE_CANT_OPEN: | |
b128c09f | 191 | if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) |
34dc7c2f | 192 | return (gettext("FAULTED")); |
428870ff BB |
193 | else if (aux == VDEV_AUX_SPLIT_POOL) |
194 | return (gettext("SPLIT")); | |
34dc7c2f BB |
195 | else |
196 | return (gettext("UNAVAIL")); | |
197 | case VDEV_STATE_FAULTED: | |
198 | return (gettext("FAULTED")); | |
199 | case VDEV_STATE_DEGRADED: | |
200 | return (gettext("DEGRADED")); | |
201 | case VDEV_STATE_HEALTHY: | |
202 | return (gettext("ONLINE")); | |
203 | } | |
204 | ||
205 | return (gettext("UNKNOWN")); | |
206 | } | |
207 | ||
131cc95c DK |
208 | /* |
209 | * Map POOL STATE to printed strings. | |
210 | */ | |
211 | const char * | |
212 | zpool_pool_state_to_name(pool_state_t state) | |
213 | { | |
214 | switch (state) { | |
215 | default: | |
216 | break; | |
217 | case POOL_STATE_ACTIVE: | |
218 | return (gettext("ACTIVE")); | |
219 | case POOL_STATE_EXPORTED: | |
220 | return (gettext("EXPORTED")); | |
221 | case POOL_STATE_DESTROYED: | |
222 | return (gettext("DESTROYED")); | |
223 | case POOL_STATE_SPARE: | |
224 | return (gettext("SPARE")); | |
225 | case POOL_STATE_L2CACHE: | |
226 | return (gettext("L2CACHE")); | |
227 | case POOL_STATE_UNINITIALIZED: | |
228 | return (gettext("UNINITIALIZED")); | |
229 | case POOL_STATE_UNAVAIL: | |
230 | return (gettext("UNAVAIL")); | |
231 | case POOL_STATE_POTENTIALLY_ACTIVE: | |
232 | return (gettext("POTENTIALLY_ACTIVE")); | |
233 | } | |
234 | ||
235 | return (gettext("UNKNOWN")); | |
236 | } | |
237 | ||
34dc7c2f | 238 | /* |
8b921f66 | 239 | * API compatibility wrapper around zpool_get_prop_literal |
34dc7c2f BB |
240 | */ |
241 | int | |
242 | zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, | |
243 | zprop_source_t *srctype) | |
8b921f66 | 244 | { |
d1d7e268 | 245 | return (zpool_get_prop_literal(zhp, prop, buf, len, srctype, B_FALSE)); |
8b921f66 RE |
246 | } |
247 | ||
248 | /* | |
249 | * Get a zpool property value for 'prop' and return the value in | |
250 | * a pre-allocated buffer. | |
251 | */ | |
252 | int | |
d1d7e268 MK |
253 | zpool_get_prop_literal(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, |
254 | size_t len, zprop_source_t *srctype, boolean_t literal) | |
34dc7c2f BB |
255 | { |
256 | uint64_t intval; | |
257 | const char *strval; | |
258 | zprop_source_t src = ZPROP_SRC_NONE; | |
259 | nvlist_t *nvroot; | |
260 | vdev_stat_t *vs; | |
261 | uint_t vsc; | |
262 | ||
263 | if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { | |
d164b209 BB |
264 | switch (prop) { |
265 | case ZPOOL_PROP_NAME: | |
34dc7c2f | 266 | (void) strlcpy(buf, zpool_get_name(zhp), len); |
d164b209 BB |
267 | break; |
268 | ||
269 | case ZPOOL_PROP_HEALTH: | |
34dc7c2f | 270 | (void) strlcpy(buf, "FAULTED", len); |
d164b209 BB |
271 | break; |
272 | ||
273 | case ZPOOL_PROP_GUID: | |
274 | intval = zpool_get_prop_int(zhp, prop, &src); | |
b8864a23 | 275 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); |
d164b209 | 276 | break; |
f3a7f661 GW |
277 | case ZPOOL_PROP_FRAGMENTATION: |
278 | intval = zpool_get_prop_int(zhp, prop, &src); | |
279 | if (intval == UINT64_MAX) { | |
280 | (void) strlcpy(buf, "-", len); | |
281 | } else { | |
282 | (void) snprintf(buf, len, "%llu%%", | |
283 | (u_longlong_t)intval); | |
284 | } | |
285 | break; | |
d164b209 BB |
286 | |
287 | case ZPOOL_PROP_ALTROOT: | |
288 | case ZPOOL_PROP_CACHEFILE: | |
d96eb2b1 | 289 | case ZPOOL_PROP_COMMENT: |
d164b209 BB |
290 | if (zhp->zpool_props != NULL || |
291 | zpool_get_all_props(zhp) == 0) { | |
292 | (void) strlcpy(buf, | |
293 | zpool_get_prop_string(zhp, prop, &src), | |
294 | len); | |
295 | if (srctype != NULL) | |
296 | *srctype = src; | |
297 | return (0); | |
298 | } | |
299 | /* FALLTHROUGH */ | |
300 | default: | |
34dc7c2f | 301 | (void) strlcpy(buf, "-", len); |
d164b209 BB |
302 | break; |
303 | } | |
304 | ||
305 | if (srctype != NULL) | |
306 | *srctype = src; | |
34dc7c2f BB |
307 | return (0); |
308 | } | |
309 | ||
310 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && | |
311 | prop != ZPOOL_PROP_NAME) | |
312 | return (-1); | |
313 | ||
314 | switch (zpool_prop_get_type(prop)) { | |
315 | case PROP_TYPE_STRING: | |
316 | (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), | |
317 | len); | |
318 | break; | |
319 | ||
320 | case PROP_TYPE_NUMBER: | |
321 | intval = zpool_get_prop_int(zhp, prop, &src); | |
322 | ||
323 | switch (prop) { | |
324 | case ZPOOL_PROP_SIZE: | |
428870ff BB |
325 | case ZPOOL_PROP_ALLOCATED: |
326 | case ZPOOL_PROP_FREE: | |
9ae529ec | 327 | case ZPOOL_PROP_FREEING: |
fbeddd60 | 328 | case ZPOOL_PROP_LEAKED: |
1bd201e7 | 329 | case ZPOOL_PROP_EXPANDSZ: |
df30f566 | 330 | case ZPOOL_PROP_ASHIFT: |
8b921f66 RE |
331 | if (literal) |
332 | (void) snprintf(buf, len, "%llu", | |
333 | (u_longlong_t)intval); | |
334 | else | |
335 | (void) zfs_nicenum(intval, buf, len); | |
34dc7c2f BB |
336 | break; |
337 | ||
338 | case ZPOOL_PROP_CAPACITY: | |
339 | (void) snprintf(buf, len, "%llu%%", | |
340 | (u_longlong_t)intval); | |
341 | break; | |
342 | ||
428870ff BB |
343 | case ZPOOL_PROP_DEDUPRATIO: |
344 | (void) snprintf(buf, len, "%llu.%02llux", | |
345 | (u_longlong_t)(intval / 100), | |
346 | (u_longlong_t)(intval % 100)); | |
347 | break; | |
348 | ||
34dc7c2f BB |
349 | case ZPOOL_PROP_HEALTH: |
350 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
351 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
352 | verify(nvlist_lookup_uint64_array(nvroot, | |
428870ff BB |
353 | ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) |
354 | == 0); | |
34dc7c2f BB |
355 | |
356 | (void) strlcpy(buf, zpool_state_to_name(intval, | |
357 | vs->vs_aux), len); | |
358 | break; | |
9ae529ec CS |
359 | case ZPOOL_PROP_VERSION: |
360 | if (intval >= SPA_VERSION_FEATURES) { | |
361 | (void) snprintf(buf, len, "-"); | |
362 | break; | |
363 | } | |
364 | /* FALLTHROUGH */ | |
34dc7c2f | 365 | default: |
b8864a23 | 366 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); |
34dc7c2f BB |
367 | } |
368 | break; | |
369 | ||
370 | case PROP_TYPE_INDEX: | |
371 | intval = zpool_get_prop_int(zhp, prop, &src); | |
372 | if (zpool_prop_index_to_string(prop, intval, &strval) | |
373 | != 0) | |
374 | return (-1); | |
375 | (void) strlcpy(buf, strval, len); | |
376 | break; | |
377 | ||
378 | default: | |
379 | abort(); | |
380 | } | |
381 | ||
382 | if (srctype) | |
383 | *srctype = src; | |
384 | ||
385 | return (0); | |
386 | } | |
387 | ||
388 | /* | |
389 | * Check if the bootfs name has the same pool name as it is set to. | |
390 | * Assuming bootfs is a valid dataset name. | |
391 | */ | |
392 | static boolean_t | |
393 | bootfs_name_valid(const char *pool, char *bootfs) | |
394 | { | |
395 | int len = strlen(pool); | |
396 | ||
b128c09f | 397 | if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) |
34dc7c2f BB |
398 | return (B_FALSE); |
399 | ||
400 | if (strncmp(pool, bootfs, len) == 0 && | |
401 | (bootfs[len] == '/' || bootfs[len] == '\0')) | |
402 | return (B_TRUE); | |
403 | ||
404 | return (B_FALSE); | |
405 | } | |
406 | ||
c372b36e | 407 | #if defined(__sun__) || defined(__sun) |
b128c09f BB |
408 | /* |
409 | * Inspect the configuration to determine if any of the devices contain | |
410 | * an EFI label. | |
411 | */ | |
412 | static boolean_t | |
413 | pool_uses_efi(nvlist_t *config) | |
414 | { | |
415 | nvlist_t **child; | |
416 | uint_t c, children; | |
417 | ||
418 | if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, | |
419 | &child, &children) != 0) | |
420 | return (read_efi_label(config, NULL) >= 0); | |
421 | ||
422 | for (c = 0; c < children; c++) { | |
423 | if (pool_uses_efi(child[c])) | |
424 | return (B_TRUE); | |
425 | } | |
426 | return (B_FALSE); | |
427 | } | |
c372b36e | 428 | #endif |
b128c09f | 429 | |
1bd201e7 CS |
430 | boolean_t |
431 | zpool_is_bootable(zpool_handle_t *zhp) | |
b128c09f BB |
432 | { |
433 | char bootfs[ZPOOL_MAXNAMELEN]; | |
434 | ||
435 | return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs, | |
436 | sizeof (bootfs), NULL) == 0 && strncmp(bootfs, "-", | |
437 | sizeof (bootfs)) != 0); | |
438 | } | |
439 | ||
440 | ||
34dc7c2f BB |
441 | /* |
442 | * Given an nvlist of zpool properties to be set, validate that they are | |
443 | * correct, and parse any numeric properties (index, boolean, etc) if they are | |
444 | * specified as strings. | |
445 | */ | |
446 | static nvlist_t * | |
b128c09f | 447 | zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, |
572e2857 | 448 | nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) |
34dc7c2f BB |
449 | { |
450 | nvpair_t *elem; | |
451 | nvlist_t *retprops; | |
452 | zpool_prop_t prop; | |
453 | char *strval; | |
454 | uint64_t intval; | |
d96eb2b1 | 455 | char *slash, *check; |
34dc7c2f | 456 | struct stat64 statbuf; |
b128c09f BB |
457 | zpool_handle_t *zhp; |
458 | nvlist_t *nvroot; | |
34dc7c2f BB |
459 | |
460 | if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { | |
461 | (void) no_memory(hdl); | |
462 | return (NULL); | |
463 | } | |
464 | ||
465 | elem = NULL; | |
466 | while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
467 | const char *propname = nvpair_name(elem); | |
468 | ||
9ae529ec CS |
469 | prop = zpool_name_to_prop(propname); |
470 | if (prop == ZPROP_INVAL && zpool_prop_feature(propname)) { | |
471 | int err; | |
9ae529ec CS |
472 | char *fname = strchr(propname, '@') + 1; |
473 | ||
fa86b5db | 474 | err = zfeature_lookup_name(fname, NULL); |
9ae529ec CS |
475 | if (err != 0) { |
476 | ASSERT3U(err, ==, ENOENT); | |
477 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
478 | "invalid feature '%s'"), fname); | |
479 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
480 | goto error; | |
481 | } | |
482 | ||
483 | if (nvpair_type(elem) != DATA_TYPE_STRING) { | |
484 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
485 | "'%s' must be a string"), propname); | |
486 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
487 | goto error; | |
488 | } | |
489 | ||
490 | (void) nvpair_value_string(elem, &strval); | |
491 | if (strcmp(strval, ZFS_FEATURE_ENABLED) != 0) { | |
492 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
493 | "property '%s' can only be set to " | |
494 | "'enabled'"), propname); | |
495 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
496 | goto error; | |
497 | } | |
498 | ||
499 | if (nvlist_add_uint64(retprops, propname, 0) != 0) { | |
500 | (void) no_memory(hdl); | |
501 | goto error; | |
502 | } | |
503 | continue; | |
504 | } | |
505 | ||
34dc7c2f BB |
506 | /* |
507 | * Make sure this property is valid and applies to this type. | |
508 | */ | |
9ae529ec | 509 | if (prop == ZPROP_INVAL) { |
34dc7c2f BB |
510 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
511 | "invalid property '%s'"), propname); | |
512 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
513 | goto error; | |
514 | } | |
515 | ||
516 | if (zpool_prop_readonly(prop)) { | |
517 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
518 | "is readonly"), propname); | |
519 | (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); | |
520 | goto error; | |
521 | } | |
522 | ||
523 | if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, | |
524 | &strval, &intval, errbuf) != 0) | |
525 | goto error; | |
526 | ||
527 | /* | |
528 | * Perform additional checking for specific properties. | |
529 | */ | |
530 | switch (prop) { | |
e75c13c3 BB |
531 | default: |
532 | break; | |
34dc7c2f | 533 | case ZPOOL_PROP_VERSION: |
9ae529ec CS |
534 | if (intval < version || |
535 | !SPA_VERSION_IS_SUPPORTED(intval)) { | |
34dc7c2f BB |
536 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
537 | "property '%s' number %d is invalid."), | |
538 | propname, intval); | |
539 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
540 | goto error; | |
541 | } | |
542 | break; | |
543 | ||
df30f566 CK |
544 | case ZPOOL_PROP_ASHIFT: |
545 | if (!flags.create) { | |
546 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
547 | "property '%s' can only be set at " | |
548 | "creation time"), propname); | |
549 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
550 | goto error; | |
551 | } | |
552 | ||
b41c9906 | 553 | if (intval != 0 && (intval < 9 || intval > 13)) { |
df30f566 CK |
554 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
555 | "property '%s' number %d is invalid."), | |
556 | propname, intval); | |
557 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
558 | goto error; | |
559 | } | |
560 | break; | |
561 | ||
34dc7c2f | 562 | case ZPOOL_PROP_BOOTFS: |
572e2857 | 563 | if (flags.create || flags.import) { |
34dc7c2f BB |
564 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
565 | "property '%s' cannot be set at creation " | |
566 | "or import time"), propname); | |
567 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
568 | goto error; | |
569 | } | |
570 | ||
571 | if (version < SPA_VERSION_BOOTFS) { | |
572 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
573 | "pool must be upgraded to support " | |
574 | "'%s' property"), propname); | |
575 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
576 | goto error; | |
577 | } | |
578 | ||
579 | /* | |
580 | * bootfs property value has to be a dataset name and | |
581 | * the dataset has to be in the same pool as it sets to. | |
582 | */ | |
583 | if (strval[0] != '\0' && !bootfs_name_valid(poolname, | |
584 | strval)) { | |
585 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
586 | "is an invalid name"), strval); | |
587 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); | |
588 | goto error; | |
589 | } | |
b128c09f BB |
590 | |
591 | if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { | |
592 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
593 | "could not open pool '%s'"), poolname); | |
594 | (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); | |
595 | goto error; | |
596 | } | |
597 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
598 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
599 | ||
f783130a | 600 | #if defined(__sun__) || defined(__sun) |
b128c09f BB |
601 | /* |
602 | * bootfs property cannot be set on a disk which has | |
603 | * been EFI labeled. | |
604 | */ | |
605 | if (pool_uses_efi(nvroot)) { | |
606 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
607 | "property '%s' not supported on " | |
608 | "EFI labeled devices"), propname); | |
609 | (void) zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf); | |
610 | zpool_close(zhp); | |
611 | goto error; | |
612 | } | |
f783130a | 613 | #endif |
b128c09f | 614 | zpool_close(zhp); |
34dc7c2f BB |
615 | break; |
616 | ||
617 | case ZPOOL_PROP_ALTROOT: | |
572e2857 | 618 | if (!flags.create && !flags.import) { |
34dc7c2f BB |
619 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
620 | "property '%s' can only be set during pool " | |
621 | "creation or import"), propname); | |
622 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
623 | goto error; | |
624 | } | |
625 | ||
626 | if (strval[0] != '/') { | |
627 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
628 | "bad alternate root '%s'"), strval); | |
629 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
630 | goto error; | |
631 | } | |
632 | break; | |
633 | ||
634 | case ZPOOL_PROP_CACHEFILE: | |
635 | if (strval[0] == '\0') | |
636 | break; | |
637 | ||
638 | if (strcmp(strval, "none") == 0) | |
639 | break; | |
640 | ||
641 | if (strval[0] != '/') { | |
642 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
643 | "property '%s' must be empty, an " | |
644 | "absolute path, or 'none'"), propname); | |
645 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
646 | goto error; | |
647 | } | |
648 | ||
649 | slash = strrchr(strval, '/'); | |
650 | ||
651 | if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
652 | strcmp(slash, "/..") == 0) { | |
653 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
654 | "'%s' is not a valid file"), strval); | |
655 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
656 | goto error; | |
657 | } | |
658 | ||
659 | *slash = '\0'; | |
660 | ||
661 | if (strval[0] != '\0' && | |
662 | (stat64(strval, &statbuf) != 0 || | |
663 | !S_ISDIR(statbuf.st_mode))) { | |
664 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
665 | "'%s' is not a valid directory"), | |
666 | strval); | |
667 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
668 | goto error; | |
669 | } | |
670 | ||
671 | *slash = '/'; | |
672 | break; | |
572e2857 | 673 | |
d96eb2b1 DM |
674 | case ZPOOL_PROP_COMMENT: |
675 | for (check = strval; *check != '\0'; check++) { | |
676 | if (!isprint(*check)) { | |
677 | zfs_error_aux(hdl, | |
678 | dgettext(TEXT_DOMAIN, | |
679 | "comment may only have printable " | |
680 | "characters")); | |
681 | (void) zfs_error(hdl, EZFS_BADPROP, | |
682 | errbuf); | |
683 | goto error; | |
684 | } | |
685 | } | |
686 | if (strlen(strval) > ZPROP_MAX_COMMENT) { | |
687 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
688 | "comment must not exceed %d characters"), | |
689 | ZPROP_MAX_COMMENT); | |
690 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
691 | goto error; | |
692 | } | |
693 | break; | |
572e2857 BB |
694 | case ZPOOL_PROP_READONLY: |
695 | if (!flags.import) { | |
696 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
697 | "property '%s' can only be set at " | |
698 | "import time"), propname); | |
699 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
700 | goto error; | |
701 | } | |
702 | break; | |
34dc7c2f BB |
703 | } |
704 | } | |
705 | ||
706 | return (retprops); | |
707 | error: | |
708 | nvlist_free(retprops); | |
709 | return (NULL); | |
710 | } | |
711 | ||
712 | /* | |
713 | * Set zpool property : propname=propval. | |
714 | */ | |
715 | int | |
716 | zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) | |
717 | { | |
13fe0198 | 718 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
719 | int ret = -1; |
720 | char errbuf[1024]; | |
721 | nvlist_t *nvl = NULL; | |
722 | nvlist_t *realprops; | |
723 | uint64_t version; | |
572e2857 | 724 | prop_flags_t flags = { 0 }; |
34dc7c2f BB |
725 | |
726 | (void) snprintf(errbuf, sizeof (errbuf), | |
727 | dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), | |
728 | zhp->zpool_name); | |
729 | ||
34dc7c2f BB |
730 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) |
731 | return (no_memory(zhp->zpool_hdl)); | |
732 | ||
733 | if (nvlist_add_string(nvl, propname, propval) != 0) { | |
734 | nvlist_free(nvl); | |
735 | return (no_memory(zhp->zpool_hdl)); | |
736 | } | |
737 | ||
738 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); | |
b128c09f | 739 | if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, |
572e2857 | 740 | zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { |
34dc7c2f BB |
741 | nvlist_free(nvl); |
742 | return (-1); | |
743 | } | |
744 | ||
745 | nvlist_free(nvl); | |
746 | nvl = realprops; | |
747 | ||
748 | /* | |
749 | * Execute the corresponding ioctl() to set this property. | |
750 | */ | |
751 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
752 | ||
753 | if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { | |
754 | nvlist_free(nvl); | |
755 | return (-1); | |
756 | } | |
757 | ||
758 | ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); | |
759 | ||
760 | zcmd_free_nvlists(&zc); | |
761 | nvlist_free(nvl); | |
762 | ||
763 | if (ret) | |
764 | (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); | |
765 | else | |
766 | (void) zpool_props_refresh(zhp); | |
767 | ||
768 | return (ret); | |
769 | } | |
770 | ||
771 | int | |
772 | zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) | |
773 | { | |
774 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
775 | zprop_list_t *entry; | |
776 | char buf[ZFS_MAXPROPLEN]; | |
9ae529ec CS |
777 | nvlist_t *features = NULL; |
778 | nvpair_t *nvp; | |
779 | zprop_list_t **last; | |
780 | boolean_t firstexpand = (NULL == *plp); | |
781 | int i; | |
34dc7c2f BB |
782 | |
783 | if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) | |
784 | return (-1); | |
785 | ||
9ae529ec CS |
786 | last = plp; |
787 | while (*last != NULL) | |
788 | last = &(*last)->pl_next; | |
789 | ||
790 | if ((*plp)->pl_all) | |
791 | features = zpool_get_features(zhp); | |
792 | ||
793 | if ((*plp)->pl_all && firstexpand) { | |
794 | for (i = 0; i < SPA_FEATURES; i++) { | |
795 | zprop_list_t *entry = zfs_alloc(hdl, | |
796 | sizeof (zprop_list_t)); | |
797 | entry->pl_prop = ZPROP_INVAL; | |
798 | entry->pl_user_prop = zfs_asprintf(hdl, "feature@%s", | |
799 | spa_feature_table[i].fi_uname); | |
800 | entry->pl_width = strlen(entry->pl_user_prop); | |
801 | entry->pl_all = B_TRUE; | |
802 | ||
803 | *last = entry; | |
804 | last = &entry->pl_next; | |
805 | } | |
806 | } | |
807 | ||
808 | /* add any unsupported features */ | |
809 | for (nvp = nvlist_next_nvpair(features, NULL); | |
810 | nvp != NULL; nvp = nvlist_next_nvpair(features, nvp)) { | |
811 | char *propname; | |
812 | boolean_t found; | |
813 | zprop_list_t *entry; | |
814 | ||
815 | if (zfeature_is_supported(nvpair_name(nvp))) | |
816 | continue; | |
817 | ||
818 | propname = zfs_asprintf(hdl, "unsupported@%s", | |
819 | nvpair_name(nvp)); | |
820 | ||
821 | /* | |
822 | * Before adding the property to the list make sure that no | |
823 | * other pool already added the same property. | |
824 | */ | |
825 | found = B_FALSE; | |
826 | entry = *plp; | |
827 | while (entry != NULL) { | |
828 | if (entry->pl_user_prop != NULL && | |
829 | strcmp(propname, entry->pl_user_prop) == 0) { | |
830 | found = B_TRUE; | |
831 | break; | |
832 | } | |
833 | entry = entry->pl_next; | |
834 | } | |
835 | if (found) { | |
836 | free(propname); | |
837 | continue; | |
838 | } | |
839 | ||
840 | entry = zfs_alloc(hdl, sizeof (zprop_list_t)); | |
841 | entry->pl_prop = ZPROP_INVAL; | |
842 | entry->pl_user_prop = propname; | |
843 | entry->pl_width = strlen(entry->pl_user_prop); | |
844 | entry->pl_all = B_TRUE; | |
845 | ||
846 | *last = entry; | |
847 | last = &entry->pl_next; | |
848 | } | |
849 | ||
34dc7c2f BB |
850 | for (entry = *plp; entry != NULL; entry = entry->pl_next) { |
851 | ||
852 | if (entry->pl_fixed) | |
853 | continue; | |
854 | ||
855 | if (entry->pl_prop != ZPROP_INVAL && | |
856 | zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), | |
857 | NULL) == 0) { | |
858 | if (strlen(buf) > entry->pl_width) | |
859 | entry->pl_width = strlen(buf); | |
860 | } | |
861 | } | |
862 | ||
863 | return (0); | |
864 | } | |
865 | ||
9ae529ec CS |
866 | /* |
867 | * Get the state for the given feature on the given ZFS pool. | |
868 | */ | |
869 | int | |
870 | zpool_prop_get_feature(zpool_handle_t *zhp, const char *propname, char *buf, | |
871 | size_t len) | |
872 | { | |
873 | uint64_t refcount; | |
874 | boolean_t found = B_FALSE; | |
875 | nvlist_t *features = zpool_get_features(zhp); | |
876 | boolean_t supported; | |
877 | const char *feature = strchr(propname, '@') + 1; | |
878 | ||
879 | supported = zpool_prop_feature(propname); | |
880 | ASSERT(supported || zpool_prop_unsupported(propname)); | |
881 | ||
882 | /* | |
883 | * Convert from feature name to feature guid. This conversion is | |
884 | * unecessary for unsupported@... properties because they already | |
885 | * use guids. | |
886 | */ | |
887 | if (supported) { | |
888 | int ret; | |
fa86b5db | 889 | spa_feature_t fid; |
9ae529ec | 890 | |
fa86b5db | 891 | ret = zfeature_lookup_name(feature, &fid); |
9ae529ec CS |
892 | if (ret != 0) { |
893 | (void) strlcpy(buf, "-", len); | |
894 | return (ENOTSUP); | |
895 | } | |
fa86b5db | 896 | feature = spa_feature_table[fid].fi_guid; |
9ae529ec CS |
897 | } |
898 | ||
899 | if (nvlist_lookup_uint64(features, feature, &refcount) == 0) | |
900 | found = B_TRUE; | |
901 | ||
902 | if (supported) { | |
903 | if (!found) { | |
904 | (void) strlcpy(buf, ZFS_FEATURE_DISABLED, len); | |
905 | } else { | |
906 | if (refcount == 0) | |
907 | (void) strlcpy(buf, ZFS_FEATURE_ENABLED, len); | |
908 | else | |
909 | (void) strlcpy(buf, ZFS_FEATURE_ACTIVE, len); | |
910 | } | |
911 | } else { | |
912 | if (found) { | |
913 | if (refcount == 0) { | |
914 | (void) strcpy(buf, ZFS_UNSUPPORTED_INACTIVE); | |
915 | } else { | |
916 | (void) strcpy(buf, ZFS_UNSUPPORTED_READONLY); | |
917 | } | |
918 | } else { | |
919 | (void) strlcpy(buf, "-", len); | |
920 | return (ENOTSUP); | |
921 | } | |
922 | } | |
923 | ||
924 | return (0); | |
925 | } | |
34dc7c2f | 926 | |
9babb374 BB |
927 | /* |
928 | * Don't start the slice at the default block of 34; many storage | |
d603ed6c BB |
929 | * devices will use a stripe width of 128k, other vendors prefer a 1m |
930 | * alignment. It is best to play it safe and ensure a 1m alignment | |
613d88ed NB |
931 | * given 512B blocks. When the block size is larger by a power of 2 |
932 | * we will still be 1m aligned. Some devices are sensitive to the | |
933 | * partition ending alignment as well. | |
9babb374 | 934 | */ |
613d88ed NB |
935 | #define NEW_START_BLOCK 2048 |
936 | #define PARTITION_END_ALIGNMENT 2048 | |
9babb374 | 937 | |
34dc7c2f BB |
938 | /* |
939 | * Validate the given pool name, optionally putting an extended error message in | |
940 | * 'buf'. | |
941 | */ | |
942 | boolean_t | |
943 | zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) | |
944 | { | |
945 | namecheck_err_t why; | |
946 | char what; | |
947 | int ret; | |
948 | ||
949 | ret = pool_namecheck(pool, &why, &what); | |
950 | ||
951 | /* | |
952 | * The rules for reserved pool names were extended at a later point. | |
953 | * But we need to support users with existing pools that may now be | |
954 | * invalid. So we only check for this expanded set of names during a | |
955 | * create (or import), and only in userland. | |
956 | */ | |
957 | if (ret == 0 && !isopen && | |
958 | (strncmp(pool, "mirror", 6) == 0 || | |
959 | strncmp(pool, "raidz", 5) == 0 || | |
960 | strncmp(pool, "spare", 5) == 0 || | |
961 | strcmp(pool, "log") == 0)) { | |
962 | if (hdl != NULL) | |
963 | zfs_error_aux(hdl, | |
964 | dgettext(TEXT_DOMAIN, "name is reserved")); | |
965 | return (B_FALSE); | |
966 | } | |
967 | ||
968 | ||
969 | if (ret != 0) { | |
970 | if (hdl != NULL) { | |
971 | switch (why) { | |
972 | case NAME_ERR_TOOLONG: | |
973 | zfs_error_aux(hdl, | |
974 | dgettext(TEXT_DOMAIN, "name is too long")); | |
975 | break; | |
976 | ||
977 | case NAME_ERR_INVALCHAR: | |
978 | zfs_error_aux(hdl, | |
979 | dgettext(TEXT_DOMAIN, "invalid character " | |
980 | "'%c' in pool name"), what); | |
981 | break; | |
982 | ||
983 | case NAME_ERR_NOLETTER: | |
984 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
985 | "name must begin with a letter")); | |
986 | break; | |
987 | ||
988 | case NAME_ERR_RESERVED: | |
989 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
990 | "name is reserved")); | |
991 | break; | |
992 | ||
993 | case NAME_ERR_DISKLIKE: | |
994 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
995 | "pool name is reserved")); | |
996 | break; | |
997 | ||
998 | case NAME_ERR_LEADING_SLASH: | |
999 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1000 | "leading slash in name")); | |
1001 | break; | |
1002 | ||
1003 | case NAME_ERR_EMPTY_COMPONENT: | |
1004 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1005 | "empty component in name")); | |
1006 | break; | |
1007 | ||
1008 | case NAME_ERR_TRAILING_SLASH: | |
1009 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1010 | "trailing slash in name")); | |
1011 | break; | |
1012 | ||
1013 | case NAME_ERR_MULTIPLE_AT: | |
1014 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1015 | "multiple '@' delimiters in name")); | |
1016 | break; | |
e75c13c3 BB |
1017 | case NAME_ERR_NO_AT: |
1018 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1019 | "permission set is missing '@'")); | |
1020 | break; | |
34dc7c2f BB |
1021 | } |
1022 | } | |
1023 | return (B_FALSE); | |
1024 | } | |
1025 | ||
1026 | return (B_TRUE); | |
1027 | } | |
1028 | ||
1029 | /* | |
1030 | * Open a handle to the given pool, even if the pool is currently in the FAULTED | |
1031 | * state. | |
1032 | */ | |
1033 | zpool_handle_t * | |
1034 | zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) | |
1035 | { | |
1036 | zpool_handle_t *zhp; | |
1037 | boolean_t missing; | |
1038 | ||
1039 | /* | |
1040 | * Make sure the pool name is valid. | |
1041 | */ | |
1042 | if (!zpool_name_valid(hdl, B_TRUE, pool)) { | |
1043 | (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
1044 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), | |
1045 | pool); | |
1046 | return (NULL); | |
1047 | } | |
1048 | ||
1049 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
1050 | return (NULL); | |
1051 | ||
1052 | zhp->zpool_hdl = hdl; | |
1053 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
1054 | ||
1055 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
1056 | zpool_close(zhp); | |
1057 | return (NULL); | |
1058 | } | |
1059 | ||
1060 | if (missing) { | |
1061 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); | |
1062 | (void) zfs_error_fmt(hdl, EZFS_NOENT, | |
1063 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); | |
1064 | zpool_close(zhp); | |
1065 | return (NULL); | |
1066 | } | |
1067 | ||
1068 | return (zhp); | |
1069 | } | |
1070 | ||
1071 | /* | |
1072 | * Like the above, but silent on error. Used when iterating over pools (because | |
1073 | * the configuration cache may be out of date). | |
1074 | */ | |
1075 | int | |
1076 | zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) | |
1077 | { | |
1078 | zpool_handle_t *zhp; | |
1079 | boolean_t missing; | |
1080 | ||
1081 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
1082 | return (-1); | |
1083 | ||
1084 | zhp->zpool_hdl = hdl; | |
1085 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
1086 | ||
1087 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
1088 | zpool_close(zhp); | |
1089 | return (-1); | |
1090 | } | |
1091 | ||
1092 | if (missing) { | |
1093 | zpool_close(zhp); | |
1094 | *ret = NULL; | |
1095 | return (0); | |
1096 | } | |
1097 | ||
1098 | *ret = zhp; | |
1099 | return (0); | |
1100 | } | |
1101 | ||
1102 | /* | |
1103 | * Similar to zpool_open_canfail(), but refuses to open pools in the faulted | |
1104 | * state. | |
1105 | */ | |
1106 | zpool_handle_t * | |
1107 | zpool_open(libzfs_handle_t *hdl, const char *pool) | |
1108 | { | |
1109 | zpool_handle_t *zhp; | |
1110 | ||
1111 | if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) | |
1112 | return (NULL); | |
1113 | ||
1114 | if (zhp->zpool_state == POOL_STATE_UNAVAIL) { | |
1115 | (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
1116 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); | |
1117 | zpool_close(zhp); | |
1118 | return (NULL); | |
1119 | } | |
1120 | ||
1121 | return (zhp); | |
1122 | } | |
1123 | ||
1124 | /* | |
1125 | * Close the handle. Simply frees the memory associated with the handle. | |
1126 | */ | |
1127 | void | |
1128 | zpool_close(zpool_handle_t *zhp) | |
1129 | { | |
1130 | if (zhp->zpool_config) | |
1131 | nvlist_free(zhp->zpool_config); | |
1132 | if (zhp->zpool_old_config) | |
1133 | nvlist_free(zhp->zpool_old_config); | |
1134 | if (zhp->zpool_props) | |
1135 | nvlist_free(zhp->zpool_props); | |
1136 | free(zhp); | |
1137 | } | |
1138 | ||
1139 | /* | |
1140 | * Return the name of the pool. | |
1141 | */ | |
1142 | const char * | |
1143 | zpool_get_name(zpool_handle_t *zhp) | |
1144 | { | |
1145 | return (zhp->zpool_name); | |
1146 | } | |
1147 | ||
1148 | ||
1149 | /* | |
1150 | * Return the state of the pool (ACTIVE or UNAVAILABLE) | |
1151 | */ | |
1152 | int | |
1153 | zpool_get_state(zpool_handle_t *zhp) | |
1154 | { | |
1155 | return (zhp->zpool_state); | |
1156 | } | |
1157 | ||
1158 | /* | |
1159 | * Create the named pool, using the provided vdev list. It is assumed | |
1160 | * that the consumer has already validated the contents of the nvlist, so we | |
1161 | * don't have to worry about error semantics. | |
1162 | */ | |
1163 | int | |
1164 | zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, | |
b128c09f | 1165 | nvlist_t *props, nvlist_t *fsprops) |
34dc7c2f | 1166 | { |
13fe0198 | 1167 | zfs_cmd_t zc = {"\0"}; |
b128c09f BB |
1168 | nvlist_t *zc_fsprops = NULL; |
1169 | nvlist_t *zc_props = NULL; | |
34dc7c2f | 1170 | char msg[1024]; |
b128c09f | 1171 | int ret = -1; |
34dc7c2f BB |
1172 | |
1173 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
1174 | "cannot create '%s'"), pool); | |
1175 | ||
1176 | if (!zpool_name_valid(hdl, B_FALSE, pool)) | |
1177 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
1178 | ||
1179 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
1180 | return (-1); | |
1181 | ||
b128c09f | 1182 | if (props) { |
572e2857 BB |
1183 | prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; |
1184 | ||
b128c09f | 1185 | if ((zc_props = zpool_valid_proplist(hdl, pool, props, |
572e2857 | 1186 | SPA_VERSION_1, flags, msg)) == NULL) { |
b128c09f BB |
1187 | goto create_failed; |
1188 | } | |
1189 | } | |
34dc7c2f | 1190 | |
b128c09f BB |
1191 | if (fsprops) { |
1192 | uint64_t zoned; | |
1193 | char *zonestr; | |
1194 | ||
1195 | zoned = ((nvlist_lookup_string(fsprops, | |
1196 | zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && | |
1197 | strcmp(zonestr, "on") == 0); | |
1198 | ||
1199 | if ((zc_fsprops = zfs_valid_proplist(hdl, | |
1200 | ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) { | |
1201 | goto create_failed; | |
1202 | } | |
1203 | if (!zc_props && | |
1204 | (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { | |
1205 | goto create_failed; | |
1206 | } | |
1207 | if (nvlist_add_nvlist(zc_props, | |
1208 | ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { | |
1209 | goto create_failed; | |
1210 | } | |
34dc7c2f BB |
1211 | } |
1212 | ||
b128c09f BB |
1213 | if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) |
1214 | goto create_failed; | |
1215 | ||
34dc7c2f BB |
1216 | (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); |
1217 | ||
b128c09f | 1218 | if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { |
34dc7c2f BB |
1219 | |
1220 | zcmd_free_nvlists(&zc); | |
b128c09f BB |
1221 | nvlist_free(zc_props); |
1222 | nvlist_free(zc_fsprops); | |
34dc7c2f BB |
1223 | |
1224 | switch (errno) { | |
1225 | case EBUSY: | |
1226 | /* | |
1227 | * This can happen if the user has specified the same | |
1228 | * device multiple times. We can't reliably detect this | |
1229 | * until we try to add it and see we already have a | |
d603ed6c BB |
1230 | * label. This can also happen under if the device is |
1231 | * part of an active md or lvm device. | |
34dc7c2f BB |
1232 | */ |
1233 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
d1d7e268 MK |
1234 | "one or more vdevs refer to the same device, or " |
1235 | "one of\nthe devices is part of an active md or " | |
1236 | "lvm device")); | |
34dc7c2f BB |
1237 | return (zfs_error(hdl, EZFS_BADDEV, msg)); |
1238 | ||
1239 | case EOVERFLOW: | |
1240 | /* | |
1241 | * This occurs when one of the devices is below | |
1242 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1243 | * device was the problem device since there's no | |
1244 | * reliable way to determine device size from userland. | |
1245 | */ | |
1246 | { | |
1247 | char buf[64]; | |
1248 | ||
1249 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
1250 | ||
1251 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1252 | "one or more devices is less than the " | |
1253 | "minimum size (%s)"), buf); | |
1254 | } | |
1255 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1256 | ||
1257 | case ENOSPC: | |
1258 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1259 | "one or more devices is out of space")); | |
1260 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1261 | ||
1262 | case ENOTBLK: | |
1263 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1264 | "cache device must be a disk or disk slice")); | |
1265 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
1266 | ||
1267 | default: | |
1268 | return (zpool_standard_error(hdl, errno, msg)); | |
1269 | } | |
1270 | } | |
1271 | ||
b128c09f | 1272 | create_failed: |
34dc7c2f | 1273 | zcmd_free_nvlists(&zc); |
b128c09f BB |
1274 | nvlist_free(zc_props); |
1275 | nvlist_free(zc_fsprops); | |
1276 | return (ret); | |
34dc7c2f BB |
1277 | } |
1278 | ||
1279 | /* | |
1280 | * Destroy the given pool. It is up to the caller to ensure that there are no | |
1281 | * datasets left in the pool. | |
1282 | */ | |
1283 | int | |
6f1ffb06 | 1284 | zpool_destroy(zpool_handle_t *zhp, const char *log_str) |
34dc7c2f | 1285 | { |
13fe0198 | 1286 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
1287 | zfs_handle_t *zfp = NULL; |
1288 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1289 | char msg[1024]; | |
1290 | ||
1291 | if (zhp->zpool_state == POOL_STATE_ACTIVE && | |
572e2857 | 1292 | (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) |
34dc7c2f BB |
1293 | return (-1); |
1294 | ||
34dc7c2f | 1295 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
6f1ffb06 | 1296 | zc.zc_history = (uint64_t)(uintptr_t)log_str; |
34dc7c2f | 1297 | |
572e2857 | 1298 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { |
34dc7c2f BB |
1299 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, |
1300 | "cannot destroy '%s'"), zhp->zpool_name); | |
1301 | ||
1302 | if (errno == EROFS) { | |
1303 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1304 | "one or more devices is read only")); | |
1305 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1306 | } else { | |
1307 | (void) zpool_standard_error(hdl, errno, msg); | |
1308 | } | |
1309 | ||
1310 | if (zfp) | |
1311 | zfs_close(zfp); | |
1312 | return (-1); | |
1313 | } | |
1314 | ||
1315 | if (zfp) { | |
1316 | remove_mountpoint(zfp); | |
1317 | zfs_close(zfp); | |
1318 | } | |
1319 | ||
1320 | return (0); | |
1321 | } | |
1322 | ||
1323 | /* | |
1324 | * Add the given vdevs to the pool. The caller must have already performed the | |
1325 | * necessary verification to ensure that the vdev specification is well-formed. | |
1326 | */ | |
1327 | int | |
1328 | zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) | |
1329 | { | |
13fe0198 | 1330 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
1331 | int ret; |
1332 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1333 | char msg[1024]; | |
1334 | nvlist_t **spares, **l2cache; | |
1335 | uint_t nspares, nl2cache; | |
1336 | ||
1337 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
1338 | "cannot add to '%s'"), zhp->zpool_name); | |
1339 | ||
1340 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < | |
1341 | SPA_VERSION_SPARES && | |
1342 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
1343 | &spares, &nspares) == 0) { | |
1344 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1345 | "upgraded to add hot spares")); | |
1346 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
1347 | } | |
1348 | ||
c372b36e | 1349 | #if defined(__sun__) || defined(__sun) |
1bd201e7 | 1350 | if (zpool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot, |
b128c09f BB |
1351 | ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { |
1352 | uint64_t s; | |
1353 | ||
1354 | for (s = 0; s < nspares; s++) { | |
1355 | char *path; | |
1356 | ||
1357 | if (nvlist_lookup_string(spares[s], ZPOOL_CONFIG_PATH, | |
1358 | &path) == 0 && pool_uses_efi(spares[s])) { | |
1359 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1360 | "device '%s' contains an EFI label and " | |
1361 | "cannot be used on root pools."), | |
428870ff BB |
1362 | zpool_vdev_name(hdl, NULL, spares[s], |
1363 | B_FALSE)); | |
b128c09f BB |
1364 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); |
1365 | } | |
1366 | } | |
1367 | } | |
c372b36e | 1368 | #endif |
b128c09f | 1369 | |
34dc7c2f BB |
1370 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < |
1371 | SPA_VERSION_L2CACHE && | |
1372 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
1373 | &l2cache, &nl2cache) == 0) { | |
1374 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1375 | "upgraded to add cache devices")); | |
1376 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
1377 | } | |
1378 | ||
1379 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
1380 | return (-1); | |
1381 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1382 | ||
572e2857 | 1383 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { |
34dc7c2f BB |
1384 | switch (errno) { |
1385 | case EBUSY: | |
1386 | /* | |
1387 | * This can happen if the user has specified the same | |
1388 | * device multiple times. We can't reliably detect this | |
1389 | * until we try to add it and see we already have a | |
1390 | * label. | |
1391 | */ | |
1392 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1393 | "one or more vdevs refer to the same device")); | |
1394 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1395 | break; | |
1396 | ||
1397 | case EOVERFLOW: | |
1398 | /* | |
1399 | * This occurrs when one of the devices is below | |
1400 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1401 | * device was the problem device since there's no | |
1402 | * reliable way to determine device size from userland. | |
1403 | */ | |
1404 | { | |
1405 | char buf[64]; | |
1406 | ||
1407 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
1408 | ||
1409 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1410 | "device is less than the minimum " | |
1411 | "size (%s)"), buf); | |
1412 | } | |
1413 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1414 | break; | |
1415 | ||
1416 | case ENOTSUP: | |
1417 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1418 | "pool must be upgraded to add these vdevs")); | |
1419 | (void) zfs_error(hdl, EZFS_BADVERSION, msg); | |
1420 | break; | |
1421 | ||
34dc7c2f BB |
1422 | case ENOTBLK: |
1423 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1424 | "cache device must be a disk or disk slice")); | |
1425 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1426 | break; | |
1427 | ||
1428 | default: | |
1429 | (void) zpool_standard_error(hdl, errno, msg); | |
1430 | } | |
1431 | ||
1432 | ret = -1; | |
1433 | } else { | |
1434 | ret = 0; | |
1435 | } | |
1436 | ||
1437 | zcmd_free_nvlists(&zc); | |
1438 | ||
1439 | return (ret); | |
1440 | } | |
1441 | ||
1442 | /* | |
1443 | * Exports the pool from the system. The caller must ensure that there are no | |
1444 | * mounted datasets in the pool. | |
1445 | */ | |
6f1ffb06 MA |
1446 | static int |
1447 | zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce, | |
1448 | const char *log_str) | |
34dc7c2f | 1449 | { |
13fe0198 | 1450 | zfs_cmd_t zc = {"\0"}; |
b128c09f | 1451 | char msg[1024]; |
34dc7c2f | 1452 | |
b128c09f BB |
1453 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, |
1454 | "cannot export '%s'"), zhp->zpool_name); | |
1455 | ||
34dc7c2f | 1456 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
b128c09f | 1457 | zc.zc_cookie = force; |
fb5f0bc8 | 1458 | zc.zc_guid = hardforce; |
6f1ffb06 | 1459 | zc.zc_history = (uint64_t)(uintptr_t)log_str; |
b128c09f BB |
1460 | |
1461 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { | |
1462 | switch (errno) { | |
1463 | case EXDEV: | |
1464 | zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, | |
1465 | "use '-f' to override the following errors:\n" | |
1466 | "'%s' has an active shared spare which could be" | |
1467 | " used by other pools once '%s' is exported."), | |
1468 | zhp->zpool_name, zhp->zpool_name); | |
1469 | return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, | |
1470 | msg)); | |
1471 | default: | |
1472 | return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, | |
1473 | msg)); | |
1474 | } | |
1475 | } | |
34dc7c2f | 1476 | |
34dc7c2f BB |
1477 | return (0); |
1478 | } | |
1479 | ||
fb5f0bc8 | 1480 | int |
6f1ffb06 | 1481 | zpool_export(zpool_handle_t *zhp, boolean_t force, const char *log_str) |
fb5f0bc8 | 1482 | { |
6f1ffb06 | 1483 | return (zpool_export_common(zhp, force, B_FALSE, log_str)); |
fb5f0bc8 BB |
1484 | } |
1485 | ||
1486 | int | |
6f1ffb06 | 1487 | zpool_export_force(zpool_handle_t *zhp, const char *log_str) |
fb5f0bc8 | 1488 | { |
6f1ffb06 | 1489 | return (zpool_export_common(zhp, B_TRUE, B_TRUE, log_str)); |
fb5f0bc8 BB |
1490 | } |
1491 | ||
428870ff BB |
1492 | static void |
1493 | zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, | |
572e2857 | 1494 | nvlist_t *config) |
428870ff | 1495 | { |
572e2857 | 1496 | nvlist_t *nv = NULL; |
428870ff BB |
1497 | uint64_t rewindto; |
1498 | int64_t loss = -1; | |
1499 | struct tm t; | |
1500 | char timestr[128]; | |
1501 | ||
572e2857 BB |
1502 | if (!hdl->libzfs_printerr || config == NULL) |
1503 | return; | |
1504 | ||
9ae529ec CS |
1505 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || |
1506 | nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0) { | |
428870ff | 1507 | return; |
9ae529ec | 1508 | } |
428870ff | 1509 | |
572e2857 | 1510 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) |
428870ff | 1511 | return; |
572e2857 | 1512 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); |
428870ff BB |
1513 | |
1514 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
b8864a23 | 1515 | strftime(timestr, 128, "%c", &t) != 0) { |
428870ff BB |
1516 | if (dryrun) { |
1517 | (void) printf(dgettext(TEXT_DOMAIN, | |
1518 | "Would be able to return %s " | |
1519 | "to its state as of %s.\n"), | |
1520 | name, timestr); | |
1521 | } else { | |
1522 | (void) printf(dgettext(TEXT_DOMAIN, | |
1523 | "Pool %s returned to its state as of %s.\n"), | |
1524 | name, timestr); | |
1525 | } | |
1526 | if (loss > 120) { | |
1527 | (void) printf(dgettext(TEXT_DOMAIN, | |
1528 | "%s approximately %lld "), | |
1529 | dryrun ? "Would discard" : "Discarded", | |
b8864a23 | 1530 | ((longlong_t)loss + 30) / 60); |
428870ff BB |
1531 | (void) printf(dgettext(TEXT_DOMAIN, |
1532 | "minutes of transactions.\n")); | |
1533 | } else if (loss > 0) { | |
1534 | (void) printf(dgettext(TEXT_DOMAIN, | |
1535 | "%s approximately %lld "), | |
b8864a23 BB |
1536 | dryrun ? "Would discard" : "Discarded", |
1537 | (longlong_t)loss); | |
428870ff BB |
1538 | (void) printf(dgettext(TEXT_DOMAIN, |
1539 | "seconds of transactions.\n")); | |
1540 | } | |
1541 | } | |
1542 | } | |
1543 | ||
1544 | void | |
1545 | zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, | |
1546 | nvlist_t *config) | |
1547 | { | |
572e2857 | 1548 | nvlist_t *nv = NULL; |
428870ff BB |
1549 | int64_t loss = -1; |
1550 | uint64_t edata = UINT64_MAX; | |
1551 | uint64_t rewindto; | |
1552 | struct tm t; | |
1553 | char timestr[128]; | |
1554 | ||
1555 | if (!hdl->libzfs_printerr) | |
1556 | return; | |
1557 | ||
1558 | if (reason >= 0) | |
1559 | (void) printf(dgettext(TEXT_DOMAIN, "action: ")); | |
1560 | else | |
1561 | (void) printf(dgettext(TEXT_DOMAIN, "\t")); | |
1562 | ||
1563 | /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ | |
572e2857 | 1564 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || |
9ae529ec | 1565 | nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0 || |
572e2857 | 1566 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) |
428870ff BB |
1567 | goto no_info; |
1568 | ||
572e2857 BB |
1569 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); |
1570 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, | |
428870ff BB |
1571 | &edata); |
1572 | ||
1573 | (void) printf(dgettext(TEXT_DOMAIN, | |
1574 | "Recovery is possible, but will result in some data loss.\n")); | |
1575 | ||
1576 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
b8864a23 | 1577 | strftime(timestr, 128, "%c", &t) != 0) { |
428870ff BB |
1578 | (void) printf(dgettext(TEXT_DOMAIN, |
1579 | "\tReturning the pool to its state as of %s\n" | |
1580 | "\tshould correct the problem. "), | |
1581 | timestr); | |
1582 | } else { | |
1583 | (void) printf(dgettext(TEXT_DOMAIN, | |
1584 | "\tReverting the pool to an earlier state " | |
1585 | "should correct the problem.\n\t")); | |
1586 | } | |
1587 | ||
1588 | if (loss > 120) { | |
1589 | (void) printf(dgettext(TEXT_DOMAIN, | |
1590 | "Approximately %lld minutes of data\n" | |
b8864a23 BB |
1591 | "\tmust be discarded, irreversibly. "), |
1592 | ((longlong_t)loss + 30) / 60); | |
428870ff BB |
1593 | } else if (loss > 0) { |
1594 | (void) printf(dgettext(TEXT_DOMAIN, | |
1595 | "Approximately %lld seconds of data\n" | |
b8864a23 BB |
1596 | "\tmust be discarded, irreversibly. "), |
1597 | (longlong_t)loss); | |
428870ff BB |
1598 | } |
1599 | if (edata != 0 && edata != UINT64_MAX) { | |
1600 | if (edata == 1) { | |
1601 | (void) printf(dgettext(TEXT_DOMAIN, | |
1602 | "After rewind, at least\n" | |
1603 | "\tone persistent user-data error will remain. ")); | |
1604 | } else { | |
1605 | (void) printf(dgettext(TEXT_DOMAIN, | |
1606 | "After rewind, several\n" | |
1607 | "\tpersistent user-data errors will remain. ")); | |
1608 | } | |
1609 | } | |
1610 | (void) printf(dgettext(TEXT_DOMAIN, | |
1611 | "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), | |
1612 | reason >= 0 ? "clear" : "import", name); | |
1613 | ||
1614 | (void) printf(dgettext(TEXT_DOMAIN, | |
1615 | "A scrub of the pool\n" | |
1616 | "\tis strongly recommended after recovery.\n")); | |
1617 | return; | |
1618 | ||
1619 | no_info: | |
1620 | (void) printf(dgettext(TEXT_DOMAIN, | |
1621 | "Destroy and re-create the pool from\n\ta backup source.\n")); | |
1622 | } | |
1623 | ||
34dc7c2f BB |
1624 | /* |
1625 | * zpool_import() is a contracted interface. Should be kept the same | |
1626 | * if possible. | |
1627 | * | |
1628 | * Applications should use zpool_import_props() to import a pool with | |
1629 | * new properties value to be set. | |
1630 | */ | |
1631 | int | |
1632 | zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
1633 | char *altroot) | |
1634 | { | |
1635 | nvlist_t *props = NULL; | |
1636 | int ret; | |
1637 | ||
1638 | if (altroot != NULL) { | |
1639 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { | |
1640 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1641 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1642 | newname)); | |
1643 | } | |
1644 | ||
1645 | if (nvlist_add_string(props, | |
fb5f0bc8 BB |
1646 | zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || |
1647 | nvlist_add_string(props, | |
1648 | zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { | |
34dc7c2f BB |
1649 | nvlist_free(props); |
1650 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1651 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1652 | newname)); | |
1653 | } | |
1654 | } | |
1655 | ||
572e2857 BB |
1656 | ret = zpool_import_props(hdl, config, newname, props, |
1657 | ZFS_IMPORT_NORMAL); | |
34dc7c2f BB |
1658 | if (props) |
1659 | nvlist_free(props); | |
1660 | return (ret); | |
1661 | } | |
1662 | ||
572e2857 BB |
1663 | static void |
1664 | print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, | |
1665 | int indent) | |
1666 | { | |
1667 | nvlist_t **child; | |
1668 | uint_t c, children; | |
1669 | char *vname; | |
1670 | uint64_t is_log = 0; | |
1671 | ||
1672 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, | |
1673 | &is_log); | |
1674 | ||
1675 | if (name != NULL) | |
1676 | (void) printf("\t%*s%s%s\n", indent, "", name, | |
1677 | is_log ? " [log]" : ""); | |
1678 | ||
1679 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1680 | &child, &children) != 0) | |
1681 | return; | |
1682 | ||
1683 | for (c = 0; c < children; c++) { | |
1684 | vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE); | |
1685 | print_vdev_tree(hdl, vname, child[c], indent + 2); | |
1686 | free(vname); | |
1687 | } | |
1688 | } | |
1689 | ||
9ae529ec CS |
1690 | void |
1691 | zpool_print_unsup_feat(nvlist_t *config) | |
1692 | { | |
1693 | nvlist_t *nvinfo, *unsup_feat; | |
1694 | nvpair_t *nvp; | |
1695 | ||
1696 | verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == | |
1697 | 0); | |
1698 | verify(nvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT, | |
1699 | &unsup_feat) == 0); | |
1700 | ||
1701 | for (nvp = nvlist_next_nvpair(unsup_feat, NULL); nvp != NULL; | |
1702 | nvp = nvlist_next_nvpair(unsup_feat, nvp)) { | |
1703 | char *desc; | |
1704 | ||
1705 | verify(nvpair_type(nvp) == DATA_TYPE_STRING); | |
1706 | verify(nvpair_value_string(nvp, &desc) == 0); | |
1707 | ||
1708 | if (strlen(desc) > 0) | |
1709 | (void) printf("\t%s (%s)\n", nvpair_name(nvp), desc); | |
1710 | else | |
1711 | (void) printf("\t%s\n", nvpair_name(nvp)); | |
1712 | } | |
1713 | } | |
1714 | ||
34dc7c2f BB |
1715 | /* |
1716 | * Import the given pool using the known configuration and a list of | |
1717 | * properties to be set. The configuration should have come from | |
1718 | * zpool_find_import(). The 'newname' parameters control whether the pool | |
1719 | * is imported with a different name. | |
1720 | */ | |
1721 | int | |
1722 | zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
572e2857 | 1723 | nvlist_t *props, int flags) |
34dc7c2f | 1724 | { |
13fe0198 | 1725 | zfs_cmd_t zc = {"\0"}; |
428870ff | 1726 | zpool_rewind_policy_t policy; |
572e2857 BB |
1727 | nvlist_t *nv = NULL; |
1728 | nvlist_t *nvinfo = NULL; | |
1729 | nvlist_t *missing = NULL; | |
34dc7c2f BB |
1730 | char *thename; |
1731 | char *origname; | |
1732 | int ret; | |
572e2857 | 1733 | int error = 0; |
34dc7c2f BB |
1734 | char errbuf[1024]; |
1735 | ||
1736 | verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, | |
1737 | &origname) == 0); | |
1738 | ||
1739 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1740 | "cannot import pool '%s'"), origname); | |
1741 | ||
1742 | if (newname != NULL) { | |
1743 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
1744 | return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
1745 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1746 | newname)); | |
1747 | thename = (char *)newname; | |
1748 | } else { | |
1749 | thename = origname; | |
1750 | } | |
1751 | ||
1752 | if (props) { | |
1753 | uint64_t version; | |
572e2857 | 1754 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; |
34dc7c2f BB |
1755 | |
1756 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, | |
1757 | &version) == 0); | |
1758 | ||
b128c09f | 1759 | if ((props = zpool_valid_proplist(hdl, origname, |
572e2857 | 1760 | props, version, flags, errbuf)) == NULL) { |
34dc7c2f BB |
1761 | return (-1); |
1762 | } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { | |
1763 | nvlist_free(props); | |
1764 | return (-1); | |
1765 | } | |
1766 | } | |
1767 | ||
1768 | (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); | |
1769 | ||
1770 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, | |
1771 | &zc.zc_guid) == 0); | |
1772 | ||
1773 | if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { | |
1774 | nvlist_free(props); | |
1775 | return (-1); | |
1776 | } | |
572e2857 | 1777 | if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) { |
428870ff BB |
1778 | nvlist_free(props); |
1779 | return (-1); | |
1780 | } | |
34dc7c2f | 1781 | |
572e2857 BB |
1782 | zc.zc_cookie = flags; |
1783 | while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && | |
1784 | errno == ENOMEM) { | |
1785 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
1786 | zcmd_free_nvlists(&zc); | |
1787 | return (-1); | |
1788 | } | |
1789 | } | |
1790 | if (ret != 0) | |
1791 | error = errno; | |
1792 | ||
1793 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); | |
1794 | zpool_get_rewind_policy(config, &policy); | |
1795 | ||
1796 | if (error) { | |
34dc7c2f | 1797 | char desc[1024]; |
428870ff | 1798 | |
428870ff BB |
1799 | /* |
1800 | * Dry-run failed, but we print out what success | |
1801 | * looks like if we found a best txg | |
1802 | */ | |
572e2857 | 1803 | if (policy.zrp_request & ZPOOL_TRY_REWIND) { |
428870ff | 1804 | zpool_rewind_exclaim(hdl, newname ? origname : thename, |
572e2857 BB |
1805 | B_TRUE, nv); |
1806 | nvlist_free(nv); | |
428870ff BB |
1807 | return (-1); |
1808 | } | |
1809 | ||
34dc7c2f BB |
1810 | if (newname == NULL) |
1811 | (void) snprintf(desc, sizeof (desc), | |
1812 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1813 | thename); | |
1814 | else | |
1815 | (void) snprintf(desc, sizeof (desc), | |
1816 | dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), | |
1817 | origname, thename); | |
1818 | ||
572e2857 | 1819 | switch (error) { |
34dc7c2f | 1820 | case ENOTSUP: |
9ae529ec CS |
1821 | if (nv != NULL && nvlist_lookup_nvlist(nv, |
1822 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && | |
1823 | nvlist_exists(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT)) { | |
1824 | (void) printf(dgettext(TEXT_DOMAIN, "This " | |
1825 | "pool uses the following feature(s) not " | |
1826 | "supported by this system:\n")); | |
1827 | zpool_print_unsup_feat(nv); | |
1828 | if (nvlist_exists(nvinfo, | |
1829 | ZPOOL_CONFIG_CAN_RDONLY)) { | |
1830 | (void) printf(dgettext(TEXT_DOMAIN, | |
1831 | "All unsupported features are only " | |
1832 | "required for writing to the pool." | |
1833 | "\nThe pool can be imported using " | |
1834 | "'-o readonly=on'.\n")); | |
1835 | } | |
1836 | } | |
34dc7c2f BB |
1837 | /* |
1838 | * Unsupported version. | |
1839 | */ | |
1840 | (void) zfs_error(hdl, EZFS_BADVERSION, desc); | |
1841 | break; | |
1842 | ||
1843 | case EINVAL: | |
1844 | (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); | |
1845 | break; | |
1846 | ||
428870ff BB |
1847 | case EROFS: |
1848 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1849 | "one or more devices is read only")); | |
1850 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
1851 | break; | |
1852 | ||
572e2857 BB |
1853 | case ENXIO: |
1854 | if (nv && nvlist_lookup_nvlist(nv, | |
1855 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && | |
1856 | nvlist_lookup_nvlist(nvinfo, | |
1857 | ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { | |
1858 | (void) printf(dgettext(TEXT_DOMAIN, | |
1859 | "The devices below are missing, use " | |
1860 | "'-m' to import the pool anyway:\n")); | |
1861 | print_vdev_tree(hdl, NULL, missing, 2); | |
1862 | (void) printf("\n"); | |
1863 | } | |
1864 | (void) zpool_standard_error(hdl, error, desc); | |
1865 | break; | |
1866 | ||
1867 | case EEXIST: | |
1868 | (void) zpool_standard_error(hdl, error, desc); | |
1869 | break; | |
1870 | ||
abe5b8fb BB |
1871 | case EBUSY: |
1872 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1873 | "one or more devices are already in use\n")); | |
1874 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
1875 | break; | |
1876 | ||
34dc7c2f | 1877 | default: |
572e2857 | 1878 | (void) zpool_standard_error(hdl, error, desc); |
428870ff | 1879 | zpool_explain_recover(hdl, |
572e2857 | 1880 | newname ? origname : thename, -error, nv); |
428870ff | 1881 | break; |
34dc7c2f BB |
1882 | } |
1883 | ||
572e2857 | 1884 | nvlist_free(nv); |
34dc7c2f BB |
1885 | ret = -1; |
1886 | } else { | |
1887 | zpool_handle_t *zhp; | |
1888 | ||
1889 | /* | |
1890 | * This should never fail, but play it safe anyway. | |
1891 | */ | |
428870ff | 1892 | if (zpool_open_silent(hdl, thename, &zhp) != 0) |
34dc7c2f | 1893 | ret = -1; |
428870ff | 1894 | else if (zhp != NULL) |
34dc7c2f | 1895 | zpool_close(zhp); |
428870ff BB |
1896 | if (policy.zrp_request & |
1897 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
1898 | zpool_rewind_exclaim(hdl, newname ? origname : thename, | |
572e2857 | 1899 | ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), nv); |
34dc7c2f | 1900 | } |
572e2857 | 1901 | nvlist_free(nv); |
428870ff | 1902 | return (0); |
34dc7c2f BB |
1903 | } |
1904 | ||
1905 | zcmd_free_nvlists(&zc); | |
1906 | nvlist_free(props); | |
1907 | ||
1908 | return (ret); | |
1909 | } | |
1910 | ||
1911 | /* | |
428870ff | 1912 | * Scan the pool. |
34dc7c2f BB |
1913 | */ |
1914 | int | |
428870ff | 1915 | zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func) |
34dc7c2f | 1916 | { |
13fe0198 | 1917 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
1918 | char msg[1024]; |
1919 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1920 | ||
1921 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
428870ff | 1922 | zc.zc_cookie = func; |
34dc7c2f | 1923 | |
572e2857 | 1924 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0 || |
428870ff | 1925 | (errno == ENOENT && func != POOL_SCAN_NONE)) |
34dc7c2f BB |
1926 | return (0); |
1927 | ||
428870ff BB |
1928 | if (func == POOL_SCAN_SCRUB) { |
1929 | (void) snprintf(msg, sizeof (msg), | |
1930 | dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); | |
1931 | } else if (func == POOL_SCAN_NONE) { | |
1932 | (void) snprintf(msg, sizeof (msg), | |
1933 | dgettext(TEXT_DOMAIN, "cannot cancel scrubbing %s"), | |
1934 | zc.zc_name); | |
1935 | } else { | |
1936 | assert(!"unexpected result"); | |
1937 | } | |
34dc7c2f | 1938 | |
428870ff BB |
1939 | if (errno == EBUSY) { |
1940 | nvlist_t *nvroot; | |
1941 | pool_scan_stat_t *ps = NULL; | |
1942 | uint_t psc; | |
1943 | ||
1944 | verify(nvlist_lookup_nvlist(zhp->zpool_config, | |
1945 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
1946 | (void) nvlist_lookup_uint64_array(nvroot, | |
1947 | ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); | |
1948 | if (ps && ps->pss_func == POOL_SCAN_SCRUB) | |
1949 | return (zfs_error(hdl, EZFS_SCRUBBING, msg)); | |
1950 | else | |
1951 | return (zfs_error(hdl, EZFS_RESILVERING, msg)); | |
1952 | } else if (errno == ENOENT) { | |
1953 | return (zfs_error(hdl, EZFS_NO_SCRUB, msg)); | |
1954 | } else { | |
34dc7c2f | 1955 | return (zpool_standard_error(hdl, errno, msg)); |
428870ff BB |
1956 | } |
1957 | } | |
1958 | ||
34dc7c2f | 1959 | /* |
9babb374 BB |
1960 | * Find a vdev that matches the search criteria specified. We use the |
1961 | * the nvpair name to determine how we should look for the device. | |
34dc7c2f BB |
1962 | * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL |
1963 | * spare; but FALSE if its an INUSE spare. | |
1964 | */ | |
1965 | static nvlist_t * | |
9babb374 BB |
1966 | vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, |
1967 | boolean_t *l2cache, boolean_t *log) | |
34dc7c2f BB |
1968 | { |
1969 | uint_t c, children; | |
1970 | nvlist_t **child; | |
34dc7c2f | 1971 | nvlist_t *ret; |
b128c09f | 1972 | uint64_t is_log; |
9babb374 BB |
1973 | char *srchkey; |
1974 | nvpair_t *pair = nvlist_next_nvpair(search, NULL); | |
1975 | ||
1976 | /* Nothing to look for */ | |
1977 | if (search == NULL || pair == NULL) | |
1978 | return (NULL); | |
1979 | ||
1980 | /* Obtain the key we will use to search */ | |
1981 | srchkey = nvpair_name(pair); | |
1982 | ||
1983 | switch (nvpair_type(pair)) { | |
572e2857 | 1984 | case DATA_TYPE_UINT64: |
9babb374 | 1985 | if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { |
572e2857 BB |
1986 | uint64_t srchval, theguid; |
1987 | ||
1988 | verify(nvpair_value_uint64(pair, &srchval) == 0); | |
1989 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
1990 | &theguid) == 0); | |
1991 | if (theguid == srchval) | |
1992 | return (nv); | |
9babb374 BB |
1993 | } |
1994 | break; | |
9babb374 BB |
1995 | |
1996 | case DATA_TYPE_STRING: { | |
1997 | char *srchval, *val; | |
1998 | ||
1999 | verify(nvpair_value_string(pair, &srchval) == 0); | |
2000 | if (nvlist_lookup_string(nv, srchkey, &val) != 0) | |
2001 | break; | |
34dc7c2f | 2002 | |
9babb374 | 2003 | /* |
428870ff BB |
2004 | * Search for the requested value. Special cases: |
2005 | * | |
eac47204 BB |
2006 | * - ZPOOL_CONFIG_PATH for whole disk entries. These end in |
2007 | * "-part1", or "p1". The suffix is hidden from the user, | |
2008 | * but included in the string, so this matches around it. | |
2009 | * - ZPOOL_CONFIG_PATH for short names zfs_strcmp_shortname() | |
2010 | * is used to check all possible expanded paths. | |
428870ff BB |
2011 | * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). |
2012 | * | |
2013 | * Otherwise, all other searches are simple string compares. | |
9babb374 | 2014 | */ |
a2c6816c | 2015 | if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0) { |
9babb374 BB |
2016 | uint64_t wholedisk = 0; |
2017 | ||
2018 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
2019 | &wholedisk); | |
eac47204 BB |
2020 | if (zfs_strcmp_pathname(srchval, val, wholedisk) == 0) |
2021 | return (nv); | |
428870ff | 2022 | |
428870ff BB |
2023 | } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) { |
2024 | char *type, *idx, *end, *p; | |
2025 | uint64_t id, vdev_id; | |
2026 | ||
2027 | /* | |
2028 | * Determine our vdev type, keeping in mind | |
2029 | * that the srchval is composed of a type and | |
2030 | * vdev id pair (i.e. mirror-4). | |
2031 | */ | |
2032 | if ((type = strdup(srchval)) == NULL) | |
2033 | return (NULL); | |
2034 | ||
2035 | if ((p = strrchr(type, '-')) == NULL) { | |
2036 | free(type); | |
2037 | break; | |
2038 | } | |
2039 | idx = p + 1; | |
2040 | *p = '\0'; | |
2041 | ||
2042 | /* | |
2043 | * If the types don't match then keep looking. | |
2044 | */ | |
2045 | if (strncmp(val, type, strlen(val)) != 0) { | |
2046 | free(type); | |
2047 | break; | |
2048 | } | |
2049 | ||
2050 | verify(strncmp(type, VDEV_TYPE_RAIDZ, | |
2051 | strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
2052 | strncmp(type, VDEV_TYPE_MIRROR, | |
2053 | strlen(VDEV_TYPE_MIRROR)) == 0); | |
2054 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, | |
2055 | &id) == 0); | |
2056 | ||
2057 | errno = 0; | |
2058 | vdev_id = strtoull(idx, &end, 10); | |
2059 | ||
2060 | free(type); | |
2061 | if (errno != 0) | |
2062 | return (NULL); | |
2063 | ||
2064 | /* | |
2065 | * Now verify that we have the correct vdev id. | |
2066 | */ | |
2067 | if (vdev_id == id) | |
2068 | return (nv); | |
9babb374 | 2069 | } |
34dc7c2f | 2070 | |
34dc7c2f | 2071 | /* |
9babb374 | 2072 | * Common case |
34dc7c2f | 2073 | */ |
9babb374 | 2074 | if (strcmp(srchval, val) == 0) |
34dc7c2f | 2075 | return (nv); |
9babb374 BB |
2076 | break; |
2077 | } | |
2078 | ||
2079 | default: | |
2080 | break; | |
34dc7c2f BB |
2081 | } |
2082 | ||
2083 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
2084 | &child, &children) != 0) | |
2085 | return (NULL); | |
2086 | ||
b128c09f | 2087 | for (c = 0; c < children; c++) { |
9babb374 | 2088 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f BB |
2089 | avail_spare, l2cache, NULL)) != NULL) { |
2090 | /* | |
2091 | * The 'is_log' value is only set for the toplevel | |
2092 | * vdev, not the leaf vdevs. So we always lookup the | |
2093 | * log device from the root of the vdev tree (where | |
2094 | * 'log' is non-NULL). | |
2095 | */ | |
2096 | if (log != NULL && | |
2097 | nvlist_lookup_uint64(child[c], | |
2098 | ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && | |
2099 | is_log) { | |
2100 | *log = B_TRUE; | |
2101 | } | |
34dc7c2f | 2102 | return (ret); |
b128c09f BB |
2103 | } |
2104 | } | |
34dc7c2f BB |
2105 | |
2106 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, | |
2107 | &child, &children) == 0) { | |
2108 | for (c = 0; c < children; c++) { | |
9babb374 | 2109 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f | 2110 | avail_spare, l2cache, NULL)) != NULL) { |
34dc7c2f BB |
2111 | *avail_spare = B_TRUE; |
2112 | return (ret); | |
2113 | } | |
2114 | } | |
2115 | } | |
2116 | ||
2117 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, | |
2118 | &child, &children) == 0) { | |
2119 | for (c = 0; c < children; c++) { | |
9babb374 | 2120 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f | 2121 | avail_spare, l2cache, NULL)) != NULL) { |
34dc7c2f BB |
2122 | *l2cache = B_TRUE; |
2123 | return (ret); | |
2124 | } | |
2125 | } | |
2126 | } | |
2127 | ||
2128 | return (NULL); | |
2129 | } | |
2130 | ||
9babb374 BB |
2131 | /* |
2132 | * Given a physical path (minus the "/devices" prefix), find the | |
2133 | * associated vdev. | |
2134 | */ | |
2135 | nvlist_t * | |
2136 | zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, | |
2137 | boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) | |
2138 | { | |
2139 | nvlist_t *search, *nvroot, *ret; | |
2140 | ||
2141 | verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
2142 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0); | |
2143 | ||
2144 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
2145 | &nvroot) == 0); | |
2146 | ||
2147 | *avail_spare = B_FALSE; | |
572e2857 BB |
2148 | *l2cache = B_FALSE; |
2149 | if (log != NULL) | |
2150 | *log = B_FALSE; | |
9babb374 BB |
2151 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); |
2152 | nvlist_free(search); | |
2153 | ||
2154 | return (ret); | |
2155 | } | |
2156 | ||
428870ff BB |
2157 | /* |
2158 | * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). | |
2159 | */ | |
2160 | boolean_t | |
2161 | zpool_vdev_is_interior(const char *name) | |
2162 | { | |
2163 | if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
2164 | strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) | |
2165 | return (B_TRUE); | |
2166 | return (B_FALSE); | |
2167 | } | |
2168 | ||
34dc7c2f BB |
2169 | nvlist_t * |
2170 | zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, | |
b128c09f | 2171 | boolean_t *l2cache, boolean_t *log) |
34dc7c2f | 2172 | { |
34dc7c2f | 2173 | char *end; |
9babb374 | 2174 | nvlist_t *nvroot, *search, *ret; |
34dc7c2f BB |
2175 | uint64_t guid; |
2176 | ||
9babb374 BB |
2177 | verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
2178 | ||
1a5c611a | 2179 | guid = strtoull(path, &end, 0); |
34dc7c2f | 2180 | if (guid != 0 && *end == '\0') { |
9babb374 | 2181 | verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0); |
428870ff BB |
2182 | } else if (zpool_vdev_is_interior(path)) { |
2183 | verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0); | |
34dc7c2f | 2184 | } else { |
9babb374 | 2185 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0); |
34dc7c2f BB |
2186 | } |
2187 | ||
2188 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
2189 | &nvroot) == 0); | |
2190 | ||
2191 | *avail_spare = B_FALSE; | |
2192 | *l2cache = B_FALSE; | |
b128c09f BB |
2193 | if (log != NULL) |
2194 | *log = B_FALSE; | |
9babb374 BB |
2195 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); |
2196 | nvlist_free(search); | |
2197 | ||
2198 | return (ret); | |
b128c09f BB |
2199 | } |
2200 | ||
2201 | static int | |
2202 | vdev_online(nvlist_t *nv) | |
2203 | { | |
2204 | uint64_t ival; | |
2205 | ||
2206 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || | |
2207 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || | |
2208 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) | |
2209 | return (0); | |
2210 | ||
2211 | return (1); | |
2212 | } | |
2213 | ||
2214 | /* | |
9babb374 | 2215 | * Helper function for zpool_get_physpaths(). |
b128c09f | 2216 | */ |
9babb374 BB |
2217 | static int |
2218 | vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size, | |
2219 | size_t *bytes_written) | |
2220 | { | |
2221 | size_t bytes_left, pos, rsz; | |
2222 | char *tmppath; | |
2223 | const char *format; | |
2224 | ||
2225 | if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH, | |
2226 | &tmppath) != 0) | |
2227 | return (EZFS_NODEVICE); | |
2228 | ||
2229 | pos = *bytes_written; | |
2230 | bytes_left = physpath_size - pos; | |
2231 | format = (pos == 0) ? "%s" : " %s"; | |
2232 | ||
2233 | rsz = snprintf(physpath + pos, bytes_left, format, tmppath); | |
2234 | *bytes_written += rsz; | |
2235 | ||
2236 | if (rsz >= bytes_left) { | |
2237 | /* if physpath was not copied properly, clear it */ | |
2238 | if (bytes_left != 0) { | |
2239 | physpath[pos] = 0; | |
2240 | } | |
2241 | return (EZFS_NOSPC); | |
2242 | } | |
2243 | return (0); | |
2244 | } | |
2245 | ||
2246 | static int | |
2247 | vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size, | |
2248 | size_t *rsz, boolean_t is_spare) | |
2249 | { | |
2250 | char *type; | |
2251 | int ret; | |
2252 | ||
2253 | if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) | |
2254 | return (EZFS_INVALCONFIG); | |
2255 | ||
2256 | if (strcmp(type, VDEV_TYPE_DISK) == 0) { | |
2257 | /* | |
2258 | * An active spare device has ZPOOL_CONFIG_IS_SPARE set. | |
2259 | * For a spare vdev, we only want to boot from the active | |
2260 | * spare device. | |
2261 | */ | |
2262 | if (is_spare) { | |
2263 | uint64_t spare = 0; | |
2264 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, | |
2265 | &spare); | |
2266 | if (!spare) | |
2267 | return (EZFS_INVALCONFIG); | |
2268 | } | |
2269 | ||
2270 | if (vdev_online(nv)) { | |
2271 | if ((ret = vdev_get_one_physpath(nv, physpath, | |
2272 | phypath_size, rsz)) != 0) | |
2273 | return (ret); | |
2274 | } | |
2275 | } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 || | |
2276 | strcmp(type, VDEV_TYPE_REPLACING) == 0 || | |
2277 | (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) { | |
2278 | nvlist_t **child; | |
2279 | uint_t count; | |
2280 | int i, ret; | |
2281 | ||
2282 | if (nvlist_lookup_nvlist_array(nv, | |
2283 | ZPOOL_CONFIG_CHILDREN, &child, &count) != 0) | |
2284 | return (EZFS_INVALCONFIG); | |
2285 | ||
2286 | for (i = 0; i < count; i++) { | |
2287 | ret = vdev_get_physpaths(child[i], physpath, | |
2288 | phypath_size, rsz, is_spare); | |
2289 | if (ret == EZFS_NOSPC) | |
2290 | return (ret); | |
2291 | } | |
2292 | } | |
2293 | ||
2294 | return (EZFS_POOL_INVALARG); | |
2295 | } | |
2296 | ||
2297 | /* | |
2298 | * Get phys_path for a root pool config. | |
2299 | * Return 0 on success; non-zero on failure. | |
2300 | */ | |
2301 | static int | |
2302 | zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size) | |
b128c09f | 2303 | { |
9babb374 | 2304 | size_t rsz; |
b128c09f BB |
2305 | nvlist_t *vdev_root; |
2306 | nvlist_t **child; | |
2307 | uint_t count; | |
9babb374 | 2308 | char *type; |
b128c09f | 2309 | |
9babb374 | 2310 | rsz = 0; |
b128c09f | 2311 | |
9babb374 BB |
2312 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
2313 | &vdev_root) != 0) | |
2314 | return (EZFS_INVALCONFIG); | |
b128c09f | 2315 | |
9babb374 BB |
2316 | if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 || |
2317 | nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN, | |
b128c09f | 2318 | &child, &count) != 0) |
9babb374 | 2319 | return (EZFS_INVALCONFIG); |
b128c09f | 2320 | |
c372b36e | 2321 | #if defined(__sun__) || defined(__sun) |
9babb374 BB |
2322 | /* |
2323 | * root pool can not have EFI labeled disks and can only have | |
2324 | * a single top-level vdev. | |
2325 | */ | |
2326 | if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 || | |
2327 | pool_uses_efi(vdev_root)) | |
2328 | return (EZFS_POOL_INVALARG); | |
c372b36e | 2329 | #endif |
b128c09f | 2330 | |
9babb374 BB |
2331 | (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz, |
2332 | B_FALSE); | |
2333 | ||
2334 | /* No online devices */ | |
2335 | if (rsz == 0) | |
2336 | return (EZFS_NODEVICE); | |
b128c09f BB |
2337 | |
2338 | return (0); | |
34dc7c2f BB |
2339 | } |
2340 | ||
9babb374 BB |
2341 | /* |
2342 | * Get phys_path for a root pool | |
2343 | * Return 0 on success; non-zero on failure. | |
2344 | */ | |
2345 | int | |
2346 | zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size) | |
2347 | { | |
2348 | return (zpool_get_config_physpath(zhp->zpool_config, physpath, | |
2349 | phypath_size)); | |
2350 | } | |
2351 | ||
9babb374 BB |
2352 | /* |
2353 | * If the device has being dynamically expanded then we need to relabel | |
2354 | * the disk to use the new unallocated space. | |
2355 | */ | |
2356 | static int | |
8adf4864 | 2357 | zpool_relabel_disk(libzfs_handle_t *hdl, const char *path, const char *msg) |
9babb374 | 2358 | { |
9babb374 | 2359 | int fd, error; |
9babb374 | 2360 | |
d603ed6c | 2361 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) { |
9babb374 | 2362 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
109491a8 | 2363 | "relabel '%s': unable to open device: %d"), path, errno); |
8adf4864 | 2364 | return (zfs_error(hdl, EZFS_OPENFAILED, msg)); |
9babb374 BB |
2365 | } |
2366 | ||
2367 | /* | |
2368 | * It's possible that we might encounter an error if the device | |
2369 | * does not have any unallocated space left. If so, we simply | |
2370 | * ignore that error and continue on. | |
b5a28807 ED |
2371 | * |
2372 | * Also, we don't call efi_rescan() - that would just return EBUSY. | |
2373 | * The module will do it for us in vdev_disk_open(). | |
9babb374 | 2374 | */ |
d603ed6c | 2375 | error = efi_use_whole_disk(fd); |
9babb374 BB |
2376 | (void) close(fd); |
2377 | if (error && error != VT_ENOSPC) { | |
2378 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " | |
d603ed6c | 2379 | "relabel '%s': unable to read disk capacity"), path); |
8adf4864 | 2380 | return (zfs_error(hdl, EZFS_NOCAP, msg)); |
9babb374 BB |
2381 | } |
2382 | return (0); | |
2383 | } | |
2384 | ||
34dc7c2f BB |
2385 | /* |
2386 | * Bring the specified vdev online. The 'flags' parameter is a set of the | |
2387 | * ZFS_ONLINE_* flags. | |
2388 | */ | |
2389 | int | |
2390 | zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, | |
2391 | vdev_state_t *newstate) | |
2392 | { | |
13fe0198 | 2393 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
2394 | char msg[1024]; |
2395 | nvlist_t *tgt; | |
9babb374 | 2396 | boolean_t avail_spare, l2cache, islog; |
34dc7c2f | 2397 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
8adf4864 | 2398 | int error; |
34dc7c2f | 2399 | |
9babb374 BB |
2400 | if (flags & ZFS_ONLINE_EXPAND) { |
2401 | (void) snprintf(msg, sizeof (msg), | |
2402 | dgettext(TEXT_DOMAIN, "cannot expand %s"), path); | |
2403 | } else { | |
2404 | (void) snprintf(msg, sizeof (msg), | |
2405 | dgettext(TEXT_DOMAIN, "cannot online %s"), path); | |
2406 | } | |
34dc7c2f BB |
2407 | |
2408 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f | 2409 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
9babb374 | 2410 | &islog)) == NULL) |
34dc7c2f BB |
2411 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2412 | ||
2413 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2414 | ||
428870ff | 2415 | if (avail_spare) |
34dc7c2f BB |
2416 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); |
2417 | ||
9babb374 BB |
2418 | if (flags & ZFS_ONLINE_EXPAND || |
2419 | zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) { | |
9babb374 BB |
2420 | uint64_t wholedisk = 0; |
2421 | ||
2422 | (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, | |
2423 | &wholedisk); | |
9babb374 BB |
2424 | |
2425 | /* | |
2426 | * XXX - L2ARC 1.0 devices can't support expansion. | |
2427 | */ | |
2428 | if (l2cache) { | |
2429 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2430 | "cannot expand cache devices")); | |
2431 | return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg)); | |
2432 | } | |
2433 | ||
2434 | if (wholedisk) { | |
7608bd0d ED |
2435 | const char *fullpath = path; |
2436 | char buf[MAXPATHLEN]; | |
2437 | ||
2438 | if (path[0] != '/') { | |
2439 | error = zfs_resolve_shortname(path, buf, | |
d1d7e268 | 2440 | sizeof (buf)); |
7608bd0d ED |
2441 | if (error != 0) |
2442 | return (zfs_error(hdl, EZFS_NODEVICE, | |
2443 | msg)); | |
2444 | ||
2445 | fullpath = buf; | |
2446 | } | |
2447 | ||
2448 | error = zpool_relabel_disk(hdl, fullpath, msg); | |
8adf4864 ED |
2449 | if (error != 0) |
2450 | return (error); | |
9babb374 BB |
2451 | } |
2452 | } | |
2453 | ||
34dc7c2f BB |
2454 | zc.zc_cookie = VDEV_STATE_ONLINE; |
2455 | zc.zc_obj = flags; | |
2456 | ||
572e2857 | 2457 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { |
428870ff BB |
2458 | if (errno == EINVAL) { |
2459 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " | |
2460 | "from this pool into a new one. Use '%s' " | |
2461 | "instead"), "zpool detach"); | |
2462 | return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, msg)); | |
2463 | } | |
34dc7c2f | 2464 | return (zpool_standard_error(hdl, errno, msg)); |
428870ff | 2465 | } |
34dc7c2f BB |
2466 | |
2467 | *newstate = zc.zc_cookie; | |
2468 | return (0); | |
2469 | } | |
2470 | ||
2471 | /* | |
2472 | * Take the specified vdev offline | |
2473 | */ | |
2474 | int | |
2475 | zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) | |
2476 | { | |
13fe0198 | 2477 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
2478 | char msg[1024]; |
2479 | nvlist_t *tgt; | |
2480 | boolean_t avail_spare, l2cache; | |
2481 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2482 | ||
2483 | (void) snprintf(msg, sizeof (msg), | |
2484 | dgettext(TEXT_DOMAIN, "cannot offline %s"), path); | |
2485 | ||
2486 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f BB |
2487 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
2488 | NULL)) == NULL) | |
34dc7c2f BB |
2489 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2490 | ||
2491 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2492 | ||
428870ff | 2493 | if (avail_spare) |
34dc7c2f BB |
2494 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); |
2495 | ||
34dc7c2f BB |
2496 | zc.zc_cookie = VDEV_STATE_OFFLINE; |
2497 | zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; | |
2498 | ||
572e2857 | 2499 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2500 | return (0); |
2501 | ||
2502 | switch (errno) { | |
2503 | case EBUSY: | |
2504 | ||
2505 | /* | |
2506 | * There are no other replicas of this device. | |
2507 | */ | |
2508 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
2509 | ||
9babb374 BB |
2510 | case EEXIST: |
2511 | /* | |
2512 | * The log device has unplayed logs | |
2513 | */ | |
2514 | return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg)); | |
2515 | ||
34dc7c2f BB |
2516 | default: |
2517 | return (zpool_standard_error(hdl, errno, msg)); | |
2518 | } | |
2519 | } | |
2520 | ||
2521 | /* | |
2522 | * Mark the given vdev faulted. | |
2523 | */ | |
2524 | int | |
428870ff | 2525 | zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) |
34dc7c2f | 2526 | { |
13fe0198 | 2527 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
2528 | char msg[1024]; |
2529 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2530 | ||
2531 | (void) snprintf(msg, sizeof (msg), | |
d1d7e268 | 2532 | dgettext(TEXT_DOMAIN, "cannot fault %llu"), (u_longlong_t)guid); |
34dc7c2f BB |
2533 | |
2534 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2535 | zc.zc_guid = guid; | |
2536 | zc.zc_cookie = VDEV_STATE_FAULTED; | |
428870ff | 2537 | zc.zc_obj = aux; |
34dc7c2f | 2538 | |
572e2857 | 2539 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2540 | return (0); |
2541 | ||
2542 | switch (errno) { | |
2543 | case EBUSY: | |
2544 | ||
2545 | /* | |
2546 | * There are no other replicas of this device. | |
2547 | */ | |
2548 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
2549 | ||
2550 | default: | |
2551 | return (zpool_standard_error(hdl, errno, msg)); | |
2552 | } | |
2553 | ||
2554 | } | |
2555 | ||
2556 | /* | |
2557 | * Mark the given vdev degraded. | |
2558 | */ | |
2559 | int | |
428870ff | 2560 | zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) |
34dc7c2f | 2561 | { |
13fe0198 | 2562 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
2563 | char msg[1024]; |
2564 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2565 | ||
2566 | (void) snprintf(msg, sizeof (msg), | |
d1d7e268 | 2567 | dgettext(TEXT_DOMAIN, "cannot degrade %llu"), (u_longlong_t)guid); |
34dc7c2f BB |
2568 | |
2569 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2570 | zc.zc_guid = guid; | |
2571 | zc.zc_cookie = VDEV_STATE_DEGRADED; | |
428870ff | 2572 | zc.zc_obj = aux; |
34dc7c2f | 2573 | |
572e2857 | 2574 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2575 | return (0); |
2576 | ||
2577 | return (zpool_standard_error(hdl, errno, msg)); | |
2578 | } | |
2579 | ||
2580 | /* | |
2581 | * Returns TRUE if the given nvlist is a vdev that was originally swapped in as | |
2582 | * a hot spare. | |
2583 | */ | |
2584 | static boolean_t | |
2585 | is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) | |
2586 | { | |
2587 | nvlist_t **child; | |
2588 | uint_t c, children; | |
2589 | char *type; | |
2590 | ||
2591 | if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, | |
2592 | &children) == 0) { | |
2593 | verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, | |
2594 | &type) == 0); | |
2595 | ||
2596 | if (strcmp(type, VDEV_TYPE_SPARE) == 0 && | |
2597 | children == 2 && child[which] == tgt) | |
2598 | return (B_TRUE); | |
2599 | ||
2600 | for (c = 0; c < children; c++) | |
2601 | if (is_replacing_spare(child[c], tgt, which)) | |
2602 | return (B_TRUE); | |
2603 | } | |
2604 | ||
2605 | return (B_FALSE); | |
2606 | } | |
2607 | ||
2608 | /* | |
2609 | * Attach new_disk (fully described by nvroot) to old_disk. | |
2610 | * If 'replacing' is specified, the new disk will replace the old one. | |
2611 | */ | |
2612 | int | |
2613 | zpool_vdev_attach(zpool_handle_t *zhp, | |
2614 | const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) | |
2615 | { | |
13fe0198 | 2616 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
2617 | char msg[1024]; |
2618 | int ret; | |
2619 | nvlist_t *tgt; | |
b128c09f BB |
2620 | boolean_t avail_spare, l2cache, islog; |
2621 | uint64_t val; | |
572e2857 | 2622 | char *newname; |
34dc7c2f BB |
2623 | nvlist_t **child; |
2624 | uint_t children; | |
2625 | nvlist_t *config_root; | |
2626 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1bd201e7 | 2627 | boolean_t rootpool = zpool_is_bootable(zhp); |
34dc7c2f BB |
2628 | |
2629 | if (replacing) | |
2630 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
2631 | "cannot replace %s with %s"), old_disk, new_disk); | |
2632 | else | |
2633 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
2634 | "cannot attach %s to %s"), new_disk, old_disk); | |
2635 | ||
c372b36e | 2636 | #if defined(__sun__) || defined(__sun) |
b128c09f BB |
2637 | /* |
2638 | * If this is a root pool, make sure that we're not attaching an | |
2639 | * EFI labeled device. | |
2640 | */ | |
2641 | if (rootpool && pool_uses_efi(nvroot)) { | |
2642 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2643 | "EFI labeled devices are not supported on root pools.")); | |
2644 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); | |
2645 | } | |
c372b36e | 2646 | #endif |
b128c09f | 2647 | |
34dc7c2f | 2648 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
b128c09f BB |
2649 | if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, |
2650 | &islog)) == 0) | |
34dc7c2f BB |
2651 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2652 | ||
2653 | if (avail_spare) | |
2654 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2655 | ||
2656 | if (l2cache) | |
2657 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
2658 | ||
2659 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2660 | zc.zc_cookie = replacing; | |
2661 | ||
2662 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
2663 | &child, &children) != 0 || children != 1) { | |
2664 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2665 | "new device must be a single disk")); | |
2666 | return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); | |
2667 | } | |
2668 | ||
2669 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
2670 | ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); | |
2671 | ||
428870ff | 2672 | if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL) |
b128c09f BB |
2673 | return (-1); |
2674 | ||
34dc7c2f BB |
2675 | /* |
2676 | * If the target is a hot spare that has been swapped in, we can only | |
2677 | * replace it with another hot spare. | |
2678 | */ | |
2679 | if (replacing && | |
2680 | nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && | |
b128c09f BB |
2681 | (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, |
2682 | NULL) == NULL || !avail_spare) && | |
2683 | is_replacing_spare(config_root, tgt, 1)) { | |
34dc7c2f BB |
2684 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2685 | "can only be replaced by another hot spare")); | |
b128c09f | 2686 | free(newname); |
34dc7c2f BB |
2687 | return (zfs_error(hdl, EZFS_BADTARGET, msg)); |
2688 | } | |
2689 | ||
b128c09f BB |
2690 | free(newname); |
2691 | ||
34dc7c2f BB |
2692 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) |
2693 | return (-1); | |
2694 | ||
572e2857 | 2695 | ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); |
34dc7c2f BB |
2696 | |
2697 | zcmd_free_nvlists(&zc); | |
2698 | ||
b128c09f BB |
2699 | if (ret == 0) { |
2700 | if (rootpool) { | |
9babb374 BB |
2701 | /* |
2702 | * XXX need a better way to prevent user from | |
2703 | * booting up a half-baked vdev. | |
2704 | */ | |
2705 | (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make " | |
2706 | "sure to wait until resilver is done " | |
2707 | "before rebooting.\n")); | |
b128c09f | 2708 | } |
34dc7c2f | 2709 | return (0); |
b128c09f | 2710 | } |
34dc7c2f BB |
2711 | |
2712 | switch (errno) { | |
2713 | case ENOTSUP: | |
2714 | /* | |
2715 | * Can't attach to or replace this type of vdev. | |
2716 | */ | |
2717 | if (replacing) { | |
572e2857 BB |
2718 | uint64_t version = zpool_get_prop_int(zhp, |
2719 | ZPOOL_PROP_VERSION, NULL); | |
2720 | ||
b128c09f | 2721 | if (islog) |
34dc7c2f BB |
2722 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2723 | "cannot replace a log with a spare")); | |
572e2857 BB |
2724 | else if (version >= SPA_VERSION_MULTI_REPLACE) |
2725 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2726 | "already in replacing/spare config; wait " | |
2727 | "for completion or use 'zpool detach'")); | |
34dc7c2f BB |
2728 | else |
2729 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2730 | "cannot replace a replacing device")); | |
2731 | } else { | |
2732 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2733 | "can only attach to mirrors and top-level " | |
2734 | "disks")); | |
2735 | } | |
2736 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); | |
2737 | break; | |
2738 | ||
2739 | case EINVAL: | |
2740 | /* | |
2741 | * The new device must be a single disk. | |
2742 | */ | |
2743 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2744 | "new device must be a single disk")); | |
2745 | (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2746 | break; | |
2747 | ||
2748 | case EBUSY: | |
2749 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), | |
2750 | new_disk); | |
2751 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2752 | break; | |
2753 | ||
2754 | case EOVERFLOW: | |
2755 | /* | |
2756 | * The new device is too small. | |
2757 | */ | |
2758 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2759 | "device is too small")); | |
2760 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2761 | break; | |
2762 | ||
2763 | case EDOM: | |
2764 | /* | |
d4aae2a0 | 2765 | * The new device has a different optimal sector size. |
34dc7c2f BB |
2766 | */ |
2767 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
d4aae2a0 BB |
2768 | "new device has a different optimal sector size; use the " |
2769 | "option '-o ashift=N' to override the optimal size")); | |
34dc7c2f BB |
2770 | (void) zfs_error(hdl, EZFS_BADDEV, msg); |
2771 | break; | |
2772 | ||
2773 | case ENAMETOOLONG: | |
2774 | /* | |
2775 | * The resulting top-level vdev spec won't fit in the label. | |
2776 | */ | |
2777 | (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); | |
2778 | break; | |
2779 | ||
2780 | default: | |
2781 | (void) zpool_standard_error(hdl, errno, msg); | |
2782 | } | |
2783 | ||
2784 | return (-1); | |
2785 | } | |
2786 | ||
2787 | /* | |
2788 | * Detach the specified device. | |
2789 | */ | |
2790 | int | |
2791 | zpool_vdev_detach(zpool_handle_t *zhp, const char *path) | |
2792 | { | |
13fe0198 | 2793 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
2794 | char msg[1024]; |
2795 | nvlist_t *tgt; | |
2796 | boolean_t avail_spare, l2cache; | |
2797 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2798 | ||
2799 | (void) snprintf(msg, sizeof (msg), | |
2800 | dgettext(TEXT_DOMAIN, "cannot detach %s"), path); | |
2801 | ||
2802 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f BB |
2803 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
2804 | NULL)) == 0) | |
34dc7c2f BB |
2805 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2806 | ||
2807 | if (avail_spare) | |
2808 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2809 | ||
2810 | if (l2cache) | |
2811 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
2812 | ||
2813 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2814 | ||
2815 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) | |
2816 | return (0); | |
2817 | ||
2818 | switch (errno) { | |
2819 | ||
2820 | case ENOTSUP: | |
2821 | /* | |
2822 | * Can't detach from this type of vdev. | |
2823 | */ | |
2824 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " | |
2825 | "applicable to mirror and replacing vdevs")); | |
572e2857 | 2826 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); |
34dc7c2f BB |
2827 | break; |
2828 | ||
2829 | case EBUSY: | |
2830 | /* | |
2831 | * There are no other replicas of this device. | |
2832 | */ | |
2833 | (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); | |
2834 | break; | |
2835 | ||
2836 | default: | |
2837 | (void) zpool_standard_error(hdl, errno, msg); | |
2838 | } | |
2839 | ||
2840 | return (-1); | |
2841 | } | |
2842 | ||
428870ff BB |
2843 | /* |
2844 | * Find a mirror vdev in the source nvlist. | |
2845 | * | |
2846 | * The mchild array contains a list of disks in one of the top-level mirrors | |
2847 | * of the source pool. The schild array contains a list of disks that the | |
2848 | * user specified on the command line. We loop over the mchild array to | |
2849 | * see if any entry in the schild array matches. | |
2850 | * | |
2851 | * If a disk in the mchild array is found in the schild array, we return | |
2852 | * the index of that entry. Otherwise we return -1. | |
2853 | */ | |
2854 | static int | |
2855 | find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, | |
2856 | nvlist_t **schild, uint_t schildren) | |
2857 | { | |
2858 | uint_t mc; | |
2859 | ||
2860 | for (mc = 0; mc < mchildren; mc++) { | |
2861 | uint_t sc; | |
2862 | char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
2863 | mchild[mc], B_FALSE); | |
2864 | ||
2865 | for (sc = 0; sc < schildren; sc++) { | |
2866 | char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
2867 | schild[sc], B_FALSE); | |
2868 | boolean_t result = (strcmp(mpath, spath) == 0); | |
2869 | ||
2870 | free(spath); | |
2871 | if (result) { | |
2872 | free(mpath); | |
2873 | return (mc); | |
2874 | } | |
2875 | } | |
2876 | ||
2877 | free(mpath); | |
2878 | } | |
2879 | ||
2880 | return (-1); | |
2881 | } | |
2882 | ||
2883 | /* | |
2884 | * Split a mirror pool. If newroot points to null, then a new nvlist | |
2885 | * is generated and it is the responsibility of the caller to free it. | |
2886 | */ | |
2887 | int | |
2888 | zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, | |
2889 | nvlist_t *props, splitflags_t flags) | |
2890 | { | |
13fe0198 | 2891 | zfs_cmd_t zc = {"\0"}; |
428870ff BB |
2892 | char msg[1024]; |
2893 | nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; | |
2894 | nvlist_t **varray = NULL, *zc_props = NULL; | |
2895 | uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; | |
2896 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2897 | uint64_t vers; | |
2898 | boolean_t freelist = B_FALSE, memory_err = B_TRUE; | |
2899 | int retval = 0; | |
2900 | ||
2901 | (void) snprintf(msg, sizeof (msg), | |
2902 | dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); | |
2903 | ||
2904 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
2905 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
2906 | ||
2907 | if ((config = zpool_get_config(zhp, NULL)) == NULL) { | |
2908 | (void) fprintf(stderr, gettext("Internal error: unable to " | |
2909 | "retrieve pool configuration\n")); | |
2910 | return (-1); | |
2911 | } | |
2912 | ||
2913 | verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) | |
2914 | == 0); | |
2915 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &vers) == 0); | |
2916 | ||
2917 | if (props) { | |
572e2857 | 2918 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; |
428870ff | 2919 | if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, |
572e2857 | 2920 | props, vers, flags, msg)) == NULL) |
428870ff BB |
2921 | return (-1); |
2922 | } | |
2923 | ||
2924 | if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, | |
2925 | &children) != 0) { | |
2926 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2927 | "Source pool is missing vdev tree")); | |
2928 | if (zc_props) | |
2929 | nvlist_free(zc_props); | |
2930 | return (-1); | |
2931 | } | |
2932 | ||
2933 | varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); | |
2934 | vcount = 0; | |
2935 | ||
2936 | if (*newroot == NULL || | |
2937 | nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, | |
2938 | &newchild, &newchildren) != 0) | |
2939 | newchildren = 0; | |
2940 | ||
2941 | for (c = 0; c < children; c++) { | |
2942 | uint64_t is_log = B_FALSE, is_hole = B_FALSE; | |
2943 | char *type; | |
2944 | nvlist_t **mchild, *vdev; | |
2945 | uint_t mchildren; | |
2946 | int entry; | |
2947 | ||
2948 | /* | |
2949 | * Unlike cache & spares, slogs are stored in the | |
2950 | * ZPOOL_CONFIG_CHILDREN array. We filter them out here. | |
2951 | */ | |
2952 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, | |
2953 | &is_log); | |
2954 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, | |
2955 | &is_hole); | |
2956 | if (is_log || is_hole) { | |
2957 | /* | |
2958 | * Create a hole vdev and put it in the config. | |
2959 | */ | |
2960 | if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) | |
2961 | goto out; | |
2962 | if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, | |
2963 | VDEV_TYPE_HOLE) != 0) | |
2964 | goto out; | |
2965 | if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, | |
2966 | 1) != 0) | |
2967 | goto out; | |
2968 | if (lastlog == 0) | |
2969 | lastlog = vcount; | |
2970 | varray[vcount++] = vdev; | |
2971 | continue; | |
2972 | } | |
2973 | lastlog = 0; | |
2974 | verify(nvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE, &type) | |
2975 | == 0); | |
2976 | if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { | |
2977 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2978 | "Source pool must be composed only of mirrors\n")); | |
2979 | retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2980 | goto out; | |
2981 | } | |
2982 | ||
2983 | verify(nvlist_lookup_nvlist_array(child[c], | |
2984 | ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); | |
2985 | ||
2986 | /* find or add an entry for this top-level vdev */ | |
2987 | if (newchildren > 0 && | |
2988 | (entry = find_vdev_entry(zhp, mchild, mchildren, | |
2989 | newchild, newchildren)) >= 0) { | |
2990 | /* We found a disk that the user specified. */ | |
2991 | vdev = mchild[entry]; | |
2992 | ++found; | |
2993 | } else { | |
2994 | /* User didn't specify a disk for this vdev. */ | |
2995 | vdev = mchild[mchildren - 1]; | |
2996 | } | |
2997 | ||
2998 | if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) | |
2999 | goto out; | |
3000 | } | |
3001 | ||
3002 | /* did we find every disk the user specified? */ | |
3003 | if (found != newchildren) { | |
3004 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " | |
3005 | "include at most one disk from each mirror")); | |
3006 | retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
3007 | goto out; | |
3008 | } | |
3009 | ||
3010 | /* Prepare the nvlist for populating. */ | |
3011 | if (*newroot == NULL) { | |
3012 | if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) | |
3013 | goto out; | |
3014 | freelist = B_TRUE; | |
3015 | if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, | |
3016 | VDEV_TYPE_ROOT) != 0) | |
3017 | goto out; | |
3018 | } else { | |
3019 | verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); | |
3020 | } | |
3021 | ||
3022 | /* Add all the children we found */ | |
3023 | if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, varray, | |
3024 | lastlog == 0 ? vcount : lastlog) != 0) | |
3025 | goto out; | |
3026 | ||
3027 | /* | |
3028 | * If we're just doing a dry run, exit now with success. | |
3029 | */ | |
3030 | if (flags.dryrun) { | |
3031 | memory_err = B_FALSE; | |
3032 | freelist = B_FALSE; | |
3033 | goto out; | |
3034 | } | |
3035 | ||
3036 | /* now build up the config list & call the ioctl */ | |
3037 | if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) | |
3038 | goto out; | |
3039 | ||
3040 | if (nvlist_add_nvlist(newconfig, | |
3041 | ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || | |
3042 | nvlist_add_string(newconfig, | |
3043 | ZPOOL_CONFIG_POOL_NAME, newname) != 0 || | |
3044 | nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) | |
3045 | goto out; | |
3046 | ||
3047 | /* | |
3048 | * The new pool is automatically part of the namespace unless we | |
3049 | * explicitly export it. | |
3050 | */ | |
3051 | if (!flags.import) | |
3052 | zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; | |
3053 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3054 | (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); | |
3055 | if (zcmd_write_conf_nvlist(hdl, &zc, newconfig) != 0) | |
3056 | goto out; | |
3057 | if (zc_props != NULL && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) | |
3058 | goto out; | |
3059 | ||
3060 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { | |
3061 | retval = zpool_standard_error(hdl, errno, msg); | |
3062 | goto out; | |
3063 | } | |
3064 | ||
3065 | freelist = B_FALSE; | |
3066 | memory_err = B_FALSE; | |
3067 | ||
3068 | out: | |
3069 | if (varray != NULL) { | |
3070 | int v; | |
3071 | ||
3072 | for (v = 0; v < vcount; v++) | |
3073 | nvlist_free(varray[v]); | |
3074 | free(varray); | |
3075 | } | |
3076 | zcmd_free_nvlists(&zc); | |
3077 | if (zc_props) | |
3078 | nvlist_free(zc_props); | |
3079 | if (newconfig) | |
3080 | nvlist_free(newconfig); | |
3081 | if (freelist) { | |
3082 | nvlist_free(*newroot); | |
3083 | *newroot = NULL; | |
3084 | } | |
3085 | ||
3086 | if (retval != 0) | |
3087 | return (retval); | |
3088 | ||
3089 | if (memory_err) | |
3090 | return (no_memory(hdl)); | |
3091 | ||
3092 | return (0); | |
3093 | } | |
3094 | ||
34dc7c2f BB |
3095 | /* |
3096 | * Remove the given device. Currently, this is supported only for hot spares | |
3097 | * and level 2 cache devices. | |
3098 | */ | |
3099 | int | |
3100 | zpool_vdev_remove(zpool_handle_t *zhp, const char *path) | |
3101 | { | |
13fe0198 | 3102 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
3103 | char msg[1024]; |
3104 | nvlist_t *tgt; | |
428870ff | 3105 | boolean_t avail_spare, l2cache, islog; |
34dc7c2f | 3106 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
428870ff | 3107 | uint64_t version; |
34dc7c2f BB |
3108 | |
3109 | (void) snprintf(msg, sizeof (msg), | |
3110 | dgettext(TEXT_DOMAIN, "cannot remove %s"), path); | |
3111 | ||
3112 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f | 3113 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
428870ff | 3114 | &islog)) == 0) |
34dc7c2f | 3115 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
428870ff BB |
3116 | /* |
3117 | * XXX - this should just go away. | |
3118 | */ | |
3119 | if (!avail_spare && !l2cache && !islog) { | |
34dc7c2f | 3120 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
428870ff BB |
3121 | "only inactive hot spares, cache, top-level, " |
3122 | "or log devices can be removed")); | |
34dc7c2f BB |
3123 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
3124 | } | |
3125 | ||
428870ff BB |
3126 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); |
3127 | if (islog && version < SPA_VERSION_HOLES) { | |
3128 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3129 | "pool must be upgrade to support log removal")); | |
3130 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
3131 | } | |
3132 | ||
34dc7c2f BB |
3133 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); |
3134 | ||
3135 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) | |
3136 | return (0); | |
3137 | ||
3138 | return (zpool_standard_error(hdl, errno, msg)); | |
3139 | } | |
3140 | ||
3141 | /* | |
3142 | * Clear the errors for the pool, or the particular device if specified. | |
3143 | */ | |
3144 | int | |
428870ff | 3145 | zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) |
34dc7c2f | 3146 | { |
13fe0198 | 3147 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
3148 | char msg[1024]; |
3149 | nvlist_t *tgt; | |
428870ff | 3150 | zpool_rewind_policy_t policy; |
34dc7c2f BB |
3151 | boolean_t avail_spare, l2cache; |
3152 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
428870ff | 3153 | nvlist_t *nvi = NULL; |
572e2857 | 3154 | int error; |
34dc7c2f BB |
3155 | |
3156 | if (path) | |
3157 | (void) snprintf(msg, sizeof (msg), | |
3158 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
3159 | path); | |
3160 | else | |
3161 | (void) snprintf(msg, sizeof (msg), | |
3162 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
3163 | zhp->zpool_name); | |
3164 | ||
3165 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3166 | if (path) { | |
3167 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, | |
b128c09f | 3168 | &l2cache, NULL)) == 0) |
34dc7c2f BB |
3169 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
3170 | ||
3171 | /* | |
3172 | * Don't allow error clearing for hot spares. Do allow | |
3173 | * error clearing for l2cache devices. | |
3174 | */ | |
3175 | if (avail_spare) | |
3176 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
3177 | ||
3178 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, | |
3179 | &zc.zc_guid) == 0); | |
3180 | } | |
3181 | ||
428870ff BB |
3182 | zpool_get_rewind_policy(rewindnvl, &policy); |
3183 | zc.zc_cookie = policy.zrp_request; | |
3184 | ||
572e2857 | 3185 | if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2) != 0) |
428870ff BB |
3186 | return (-1); |
3187 | ||
572e2857 | 3188 | if (zcmd_write_src_nvlist(hdl, &zc, rewindnvl) != 0) |
428870ff BB |
3189 | return (-1); |
3190 | ||
572e2857 BB |
3191 | while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && |
3192 | errno == ENOMEM) { | |
3193 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
3194 | zcmd_free_nvlists(&zc); | |
3195 | return (-1); | |
3196 | } | |
3197 | } | |
3198 | ||
3199 | if (!error || ((policy.zrp_request & ZPOOL_TRY_REWIND) && | |
428870ff BB |
3200 | errno != EPERM && errno != EACCES)) { |
3201 | if (policy.zrp_request & | |
3202 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
3203 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); | |
3204 | zpool_rewind_exclaim(hdl, zc.zc_name, | |
3205 | ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), | |
3206 | nvi); | |
3207 | nvlist_free(nvi); | |
3208 | } | |
3209 | zcmd_free_nvlists(&zc); | |
34dc7c2f | 3210 | return (0); |
428870ff | 3211 | } |
34dc7c2f | 3212 | |
428870ff | 3213 | zcmd_free_nvlists(&zc); |
34dc7c2f BB |
3214 | return (zpool_standard_error(hdl, errno, msg)); |
3215 | } | |
3216 | ||
3217 | /* | |
3218 | * Similar to zpool_clear(), but takes a GUID (used by fmd). | |
3219 | */ | |
3220 | int | |
3221 | zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) | |
3222 | { | |
13fe0198 | 3223 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
3224 | char msg[1024]; |
3225 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3226 | ||
3227 | (void) snprintf(msg, sizeof (msg), | |
3228 | dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), | |
d1d7e268 | 3229 | (u_longlong_t)guid); |
34dc7c2f BB |
3230 | |
3231 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3232 | zc.zc_guid = guid; | |
428870ff | 3233 | zc.zc_cookie = ZPOOL_NO_REWIND; |
34dc7c2f BB |
3234 | |
3235 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) | |
3236 | return (0); | |
3237 | ||
3238 | return (zpool_standard_error(hdl, errno, msg)); | |
3239 | } | |
3240 | ||
3541dc6d GA |
3241 | /* |
3242 | * Change the GUID for a pool. | |
3243 | */ | |
3244 | int | |
3245 | zpool_reguid(zpool_handle_t *zhp) | |
3246 | { | |
3247 | char msg[1024]; | |
3248 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
13fe0198 | 3249 | zfs_cmd_t zc = {"\0"}; |
3541dc6d GA |
3250 | |
3251 | (void) snprintf(msg, sizeof (msg), | |
3252 | dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name); | |
3253 | ||
3254 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3255 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0) | |
3256 | return (0); | |
3257 | ||
3258 | return (zpool_standard_error(hdl, errno, msg)); | |
3259 | } | |
3260 | ||
1bd201e7 CS |
3261 | /* |
3262 | * Reopen the pool. | |
3263 | */ | |
3264 | int | |
3265 | zpool_reopen(zpool_handle_t *zhp) | |
3266 | { | |
13fe0198 | 3267 | zfs_cmd_t zc = {"\0"}; |
1bd201e7 CS |
3268 | char msg[1024]; |
3269 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
3270 | ||
3271 | (void) snprintf(msg, sizeof (msg), | |
3272 | dgettext(TEXT_DOMAIN, "cannot reopen '%s'"), | |
3273 | zhp->zpool_name); | |
3274 | ||
3275 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3276 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_REOPEN, &zc) == 0) | |
3277 | return (0); | |
3278 | return (zpool_standard_error(hdl, errno, msg)); | |
3279 | } | |
3280 | ||
34dc7c2f BB |
3281 | /* |
3282 | * Convert from a devid string to a path. | |
3283 | */ | |
3284 | static char * | |
3285 | devid_to_path(char *devid_str) | |
3286 | { | |
3287 | ddi_devid_t devid; | |
3288 | char *minor; | |
3289 | char *path; | |
3290 | devid_nmlist_t *list = NULL; | |
3291 | int ret; | |
3292 | ||
3293 | if (devid_str_decode(devid_str, &devid, &minor) != 0) | |
3294 | return (NULL); | |
3295 | ||
3296 | ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); | |
3297 | ||
3298 | devid_str_free(minor); | |
3299 | devid_free(devid); | |
3300 | ||
3301 | if (ret != 0) | |
3302 | return (NULL); | |
3303 | ||
3304 | if ((path = strdup(list[0].devname)) == NULL) | |
3305 | return (NULL); | |
3306 | ||
3307 | devid_free_nmlist(list); | |
3308 | ||
3309 | return (path); | |
3310 | } | |
3311 | ||
3312 | /* | |
3313 | * Convert from a path to a devid string. | |
3314 | */ | |
3315 | static char * | |
3316 | path_to_devid(const char *path) | |
3317 | { | |
3318 | int fd; | |
3319 | ddi_devid_t devid; | |
3320 | char *minor, *ret; | |
3321 | ||
3322 | if ((fd = open(path, O_RDONLY)) < 0) | |
3323 | return (NULL); | |
3324 | ||
3325 | minor = NULL; | |
3326 | ret = NULL; | |
3327 | if (devid_get(fd, &devid) == 0) { | |
3328 | if (devid_get_minor_name(fd, &minor) == 0) | |
3329 | ret = devid_str_encode(devid, minor); | |
3330 | if (minor != NULL) | |
3331 | devid_str_free(minor); | |
3332 | devid_free(devid); | |
3333 | } | |
3334 | (void) close(fd); | |
3335 | ||
3336 | return (ret); | |
3337 | } | |
3338 | ||
3339 | /* | |
3340 | * Issue the necessary ioctl() to update the stored path value for the vdev. We | |
3341 | * ignore any failure here, since a common case is for an unprivileged user to | |
3342 | * type 'zpool status', and we'll display the correct information anyway. | |
3343 | */ | |
3344 | static void | |
3345 | set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) | |
3346 | { | |
13fe0198 | 3347 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
3348 | |
3349 | (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3350 | (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); | |
3351 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
3352 | &zc.zc_guid) == 0); | |
3353 | ||
3354 | (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); | |
3355 | } | |
3356 | ||
83c62c93 NB |
3357 | /* |
3358 | * Remove partition suffix from a vdev path. Partition suffixes may take three | |
3359 | * forms: "-partX", "pX", or "X", where X is a string of digits. The second | |
3360 | * case only occurs when the suffix is preceded by a digit, i.e. "md0p0" The | |
3361 | * third case only occurs when preceded by a string matching the regular | |
3362 | * expression "^[hs]d[a-z]+", i.e. a scsi or ide disk. | |
3363 | */ | |
3364 | static char * | |
3365 | strip_partition(libzfs_handle_t *hdl, char *path) | |
3366 | { | |
3367 | char *tmp = zfs_strdup(hdl, path); | |
3368 | char *part = NULL, *d = NULL; | |
3369 | ||
3370 | if ((part = strstr(tmp, "-part")) && part != tmp) { | |
3371 | d = part + 5; | |
3372 | } else if ((part = strrchr(tmp, 'p')) && | |
3373 | part > tmp + 1 && isdigit(*(part-1))) { | |
3374 | d = part + 1; | |
3375 | } else if ((tmp[0] == 'h' || tmp[0] == 's') && tmp[1] == 'd') { | |
3376 | for (d = &tmp[2]; isalpha(*d); part = ++d); | |
3377 | } | |
3378 | if (part && d && *d != '\0') { | |
3379 | for (; isdigit(*d); d++); | |
3380 | if (*d == '\0') | |
3381 | *part = '\0'; | |
3382 | } | |
3383 | return (tmp); | |
3384 | } | |
3385 | ||
858219cc NB |
3386 | #define PATH_BUF_LEN 64 |
3387 | ||
34dc7c2f BB |
3388 | /* |
3389 | * Given a vdev, return the name to display in iostat. If the vdev has a path, | |
3390 | * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. | |
3391 | * We also check if this is a whole disk, in which case we strip off the | |
3392 | * trailing 's0' slice name. | |
3393 | * | |
3394 | * This routine is also responsible for identifying when disks have been | |
3395 | * reconfigured in a new location. The kernel will have opened the device by | |
3396 | * devid, but the path will still refer to the old location. To catch this, we | |
3397 | * first do a path -> devid translation (which is fast for the common case). If | |
3398 | * the devid matches, we're done. If not, we do a reverse devid -> path | |
3399 | * translation and issue the appropriate ioctl() to update the path of the vdev. | |
3400 | * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any | |
3401 | * of these checks. | |
3402 | */ | |
3403 | char * | |
428870ff BB |
3404 | zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, |
3405 | boolean_t verbose) | |
34dc7c2f | 3406 | { |
d603ed6c | 3407 | char *path, *devid, *type; |
34dc7c2f | 3408 | uint64_t value; |
858219cc | 3409 | char buf[PATH_BUF_LEN]; |
fc24f7c8 | 3410 | char tmpbuf[PATH_BUF_LEN]; |
34dc7c2f BB |
3411 | vdev_stat_t *vs; |
3412 | uint_t vsc; | |
3413 | ||
3414 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, | |
3415 | &value) == 0) { | |
3416 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
3417 | &value) == 0); | |
3418 | (void) snprintf(buf, sizeof (buf), "%llu", | |
3419 | (u_longlong_t)value); | |
3420 | path = buf; | |
3421 | } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { | |
34dc7c2f BB |
3422 | /* |
3423 | * If the device is dead (faulted, offline, etc) then don't | |
3424 | * bother opening it. Otherwise we may be forcing the user to | |
3425 | * open a misbehaving device, which can have undesirable | |
3426 | * effects. | |
3427 | */ | |
428870ff | 3428 | if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, |
34dc7c2f BB |
3429 | (uint64_t **)&vs, &vsc) != 0 || |
3430 | vs->vs_state >= VDEV_STATE_DEGRADED) && | |
3431 | zhp != NULL && | |
3432 | nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { | |
3433 | /* | |
3434 | * Determine if the current path is correct. | |
3435 | */ | |
3436 | char *newdevid = path_to_devid(path); | |
3437 | ||
3438 | if (newdevid == NULL || | |
3439 | strcmp(devid, newdevid) != 0) { | |
3440 | char *newpath; | |
3441 | ||
3442 | if ((newpath = devid_to_path(devid)) != NULL) { | |
3443 | /* | |
3444 | * Update the path appropriately. | |
3445 | */ | |
3446 | set_path(zhp, nv, newpath); | |
3447 | if (nvlist_add_string(nv, | |
3448 | ZPOOL_CONFIG_PATH, newpath) == 0) | |
3449 | verify(nvlist_lookup_string(nv, | |
3450 | ZPOOL_CONFIG_PATH, | |
3451 | &path) == 0); | |
3452 | free(newpath); | |
3453 | } | |
3454 | } | |
3455 | ||
3456 | if (newdevid) | |
3457 | devid_str_free(newdevid); | |
3458 | } | |
3459 | ||
d603ed6c BB |
3460 | /* |
3461 | * For a block device only use the name. | |
3462 | */ | |
3463 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); | |
3464 | if (strcmp(type, VDEV_TYPE_DISK) == 0) { | |
3465 | path = strrchr(path, '/'); | |
3466 | path++; | |
3467 | } | |
34dc7c2f | 3468 | |
d603ed6c | 3469 | /* |
83c62c93 | 3470 | * Remove the partition from the path it this is a whole disk. |
d603ed6c | 3471 | */ |
34dc7c2f BB |
3472 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, |
3473 | &value) == 0 && value) { | |
d1d7e268 | 3474 | return (strip_partition(hdl, path)); |
34dc7c2f BB |
3475 | } |
3476 | } else { | |
3477 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); | |
3478 | ||
3479 | /* | |
3480 | * If it's a raidz device, we need to stick in the parity level. | |
3481 | */ | |
3482 | if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { | |
858219cc | 3483 | |
34dc7c2f BB |
3484 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, |
3485 | &value) == 0); | |
fc24f7c8 | 3486 | (void) snprintf(buf, sizeof (buf), "%s%llu", path, |
34dc7c2f | 3487 | (u_longlong_t)value); |
fc24f7c8 | 3488 | path = buf; |
34dc7c2f | 3489 | } |
428870ff BB |
3490 | |
3491 | /* | |
3492 | * We identify each top-level vdev by using a <type-id> | |
3493 | * naming convention. | |
3494 | */ | |
3495 | if (verbose) { | |
3496 | uint64_t id; | |
3497 | ||
3498 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, | |
3499 | &id) == 0); | |
fc24f7c8 MM |
3500 | (void) snprintf(tmpbuf, sizeof (tmpbuf), "%s-%llu", |
3501 | path, (u_longlong_t)id); | |
3502 | path = tmpbuf; | |
428870ff | 3503 | } |
34dc7c2f BB |
3504 | } |
3505 | ||
3506 | return (zfs_strdup(hdl, path)); | |
3507 | } | |
3508 | ||
3509 | static int | |
3510 | zbookmark_compare(const void *a, const void *b) | |
3511 | { | |
5dbd68a3 | 3512 | return (memcmp(a, b, sizeof (zbookmark_phys_t))); |
34dc7c2f BB |
3513 | } |
3514 | ||
3515 | /* | |
3516 | * Retrieve the persistent error log, uniquify the members, and return to the | |
3517 | * caller. | |
3518 | */ | |
3519 | int | |
3520 | zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) | |
3521 | { | |
13fe0198 | 3522 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f | 3523 | uint64_t count; |
5dbd68a3 | 3524 | zbookmark_phys_t *zb = NULL; |
34dc7c2f BB |
3525 | int i; |
3526 | ||
3527 | /* | |
3528 | * Retrieve the raw error list from the kernel. If the number of errors | |
3529 | * has increased, allocate more space and continue until we get the | |
3530 | * entire list. | |
3531 | */ | |
3532 | verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, | |
3533 | &count) == 0); | |
3534 | if (count == 0) | |
3535 | return (0); | |
3536 | if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, | |
5dbd68a3 | 3537 | count * sizeof (zbookmark_phys_t))) == (uintptr_t)NULL) |
34dc7c2f BB |
3538 | return (-1); |
3539 | zc.zc_nvlist_dst_size = count; | |
3540 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
3541 | for (;;) { | |
3542 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, | |
3543 | &zc) != 0) { | |
3544 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3545 | if (errno == ENOMEM) { | |
5dbd68a3 MA |
3546 | void *dst; |
3547 | ||
34dc7c2f | 3548 | count = zc.zc_nvlist_dst_size; |
5dbd68a3 MA |
3549 | dst = zfs_alloc(zhp->zpool_hdl, count * |
3550 | sizeof (zbookmark_phys_t)); | |
3551 | if (dst == NULL) | |
34dc7c2f | 3552 | return (-1); |
5dbd68a3 | 3553 | zc.zc_nvlist_dst = (uintptr_t)dst; |
34dc7c2f BB |
3554 | } else { |
3555 | return (-1); | |
3556 | } | |
3557 | } else { | |
3558 | break; | |
3559 | } | |
3560 | } | |
3561 | ||
3562 | /* | |
3563 | * Sort the resulting bookmarks. This is a little confusing due to the | |
3564 | * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last | |
3565 | * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks | |
3566 | * _not_ copied as part of the process. So we point the start of our | |
3567 | * array appropriate and decrement the total number of elements. | |
3568 | */ | |
5dbd68a3 | 3569 | zb = ((zbookmark_phys_t *)(uintptr_t)zc.zc_nvlist_dst) + |
34dc7c2f BB |
3570 | zc.zc_nvlist_dst_size; |
3571 | count -= zc.zc_nvlist_dst_size; | |
3572 | ||
5dbd68a3 | 3573 | qsort(zb, count, sizeof (zbookmark_phys_t), zbookmark_compare); |
34dc7c2f BB |
3574 | |
3575 | verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); | |
3576 | ||
3577 | /* | |
3578 | * Fill in the nverrlistp with nvlist's of dataset and object numbers. | |
3579 | */ | |
3580 | for (i = 0; i < count; i++) { | |
3581 | nvlist_t *nv; | |
3582 | ||
3583 | /* ignoring zb_blkid and zb_level for now */ | |
3584 | if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && | |
3585 | zb[i-1].zb_object == zb[i].zb_object) | |
3586 | continue; | |
3587 | ||
3588 | if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) | |
3589 | goto nomem; | |
3590 | if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, | |
3591 | zb[i].zb_objset) != 0) { | |
3592 | nvlist_free(nv); | |
3593 | goto nomem; | |
3594 | } | |
3595 | if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, | |
3596 | zb[i].zb_object) != 0) { | |
3597 | nvlist_free(nv); | |
3598 | goto nomem; | |
3599 | } | |
3600 | if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { | |
3601 | nvlist_free(nv); | |
3602 | goto nomem; | |
3603 | } | |
3604 | nvlist_free(nv); | |
3605 | } | |
3606 | ||
3607 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3608 | return (0); | |
3609 | ||
3610 | nomem: | |
3611 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3612 | return (no_memory(zhp->zpool_hdl)); | |
3613 | } | |
3614 | ||
3615 | /* | |
3616 | * Upgrade a ZFS pool to the latest on-disk version. | |
3617 | */ | |
3618 | int | |
3619 | zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) | |
3620 | { | |
13fe0198 | 3621 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
3622 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
3623 | ||
3624 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
3625 | zc.zc_cookie = new_version; | |
3626 | ||
3627 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) | |
3628 | return (zpool_standard_error_fmt(hdl, errno, | |
3629 | dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), | |
3630 | zhp->zpool_name)); | |
3631 | return (0); | |
3632 | } | |
3633 | ||
3634 | void | |
6f1ffb06 | 3635 | zfs_save_arguments(int argc, char **argv, char *string, int len) |
34dc7c2f BB |
3636 | { |
3637 | int i; | |
3638 | ||
6f1ffb06 | 3639 | (void) strlcpy(string, basename(argv[0]), len); |
34dc7c2f | 3640 | for (i = 1; i < argc; i++) { |
6f1ffb06 MA |
3641 | (void) strlcat(string, " ", len); |
3642 | (void) strlcat(string, argv[i], len); | |
34dc7c2f BB |
3643 | } |
3644 | } | |
3645 | ||
34dc7c2f | 3646 | int |
6f1ffb06 MA |
3647 | zpool_log_history(libzfs_handle_t *hdl, const char *message) |
3648 | { | |
13fe0198 | 3649 | zfs_cmd_t zc = {"\0"}; |
6f1ffb06 MA |
3650 | nvlist_t *args; |
3651 | int err; | |
3652 | ||
3653 | args = fnvlist_alloc(); | |
3654 | fnvlist_add_string(args, "message", message); | |
3655 | err = zcmd_write_src_nvlist(hdl, &zc, args); | |
3656 | if (err == 0) | |
3657 | err = ioctl(hdl->libzfs_fd, ZFS_IOC_LOG_HISTORY, &zc); | |
3658 | nvlist_free(args); | |
3659 | zcmd_free_nvlists(&zc); | |
3660 | return (err); | |
34dc7c2f BB |
3661 | } |
3662 | ||
3663 | /* | |
3664 | * Perform ioctl to get some command history of a pool. | |
3665 | * | |
3666 | * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the | |
3667 | * logical offset of the history buffer to start reading from. | |
3668 | * | |
3669 | * Upon return, 'off' is the next logical offset to read from and | |
3670 | * 'len' is the actual amount of bytes read into 'buf'. | |
3671 | */ | |
3672 | static int | |
3673 | get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) | |
3674 | { | |
13fe0198 | 3675 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
3676 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
3677 | ||
3678 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3679 | ||
3680 | zc.zc_history = (uint64_t)(uintptr_t)buf; | |
3681 | zc.zc_history_len = *len; | |
3682 | zc.zc_history_offset = *off; | |
3683 | ||
3684 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { | |
3685 | switch (errno) { | |
3686 | case EPERM: | |
3687 | return (zfs_error_fmt(hdl, EZFS_PERM, | |
3688 | dgettext(TEXT_DOMAIN, | |
3689 | "cannot show history for pool '%s'"), | |
3690 | zhp->zpool_name)); | |
3691 | case ENOENT: | |
3692 | return (zfs_error_fmt(hdl, EZFS_NOHISTORY, | |
3693 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
3694 | "'%s'"), zhp->zpool_name)); | |
3695 | case ENOTSUP: | |
3696 | return (zfs_error_fmt(hdl, EZFS_BADVERSION, | |
3697 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
3698 | "'%s', pool must be upgraded"), zhp->zpool_name)); | |
3699 | default: | |
3700 | return (zpool_standard_error_fmt(hdl, errno, | |
3701 | dgettext(TEXT_DOMAIN, | |
3702 | "cannot get history for '%s'"), zhp->zpool_name)); | |
3703 | } | |
3704 | } | |
3705 | ||
3706 | *len = zc.zc_history_len; | |
3707 | *off = zc.zc_history_offset; | |
3708 | ||
3709 | return (0); | |
3710 | } | |
3711 | ||
3712 | /* | |
3713 | * Process the buffer of nvlists, unpacking and storing each nvlist record | |
3714 | * into 'records'. 'leftover' is set to the number of bytes that weren't | |
3715 | * processed as there wasn't a complete record. | |
3716 | */ | |
428870ff | 3717 | int |
34dc7c2f BB |
3718 | zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, |
3719 | nvlist_t ***records, uint_t *numrecords) | |
3720 | { | |
3721 | uint64_t reclen; | |
3722 | nvlist_t *nv; | |
3723 | int i; | |
3724 | ||
3725 | while (bytes_read > sizeof (reclen)) { | |
3726 | ||
3727 | /* get length of packed record (stored as little endian) */ | |
3728 | for (i = 0, reclen = 0; i < sizeof (reclen); i++) | |
3729 | reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); | |
3730 | ||
3731 | if (bytes_read < sizeof (reclen) + reclen) | |
3732 | break; | |
3733 | ||
3734 | /* unpack record */ | |
3735 | if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) | |
3736 | return (ENOMEM); | |
3737 | bytes_read -= sizeof (reclen) + reclen; | |
3738 | buf += sizeof (reclen) + reclen; | |
3739 | ||
3740 | /* add record to nvlist array */ | |
3741 | (*numrecords)++; | |
3742 | if (ISP2(*numrecords + 1)) { | |
3743 | *records = realloc(*records, | |
3744 | *numrecords * 2 * sizeof (nvlist_t *)); | |
3745 | } | |
3746 | (*records)[*numrecords - 1] = nv; | |
3747 | } | |
3748 | ||
3749 | *leftover = bytes_read; | |
3750 | return (0); | |
3751 | } | |
3752 | ||
3753 | #define HIS_BUF_LEN (128*1024) | |
3754 | ||
3755 | /* | |
3756 | * Retrieve the command history of a pool. | |
3757 | */ | |
3758 | int | |
3759 | zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) | |
3760 | { | |
3761 | char buf[HIS_BUF_LEN]; | |
3762 | uint64_t off = 0; | |
3763 | nvlist_t **records = NULL; | |
3764 | uint_t numrecords = 0; | |
3765 | int err, i; | |
3766 | ||
3767 | do { | |
3768 | uint64_t bytes_read = sizeof (buf); | |
3769 | uint64_t leftover; | |
3770 | ||
3771 | if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) | |
3772 | break; | |
3773 | ||
3774 | /* if nothing else was read in, we're at EOF, just return */ | |
3775 | if (!bytes_read) | |
3776 | break; | |
3777 | ||
3778 | if ((err = zpool_history_unpack(buf, bytes_read, | |
3779 | &leftover, &records, &numrecords)) != 0) | |
3780 | break; | |
3781 | off -= leftover; | |
3782 | ||
3783 | /* CONSTCOND */ | |
3784 | } while (1); | |
3785 | ||
3786 | if (!err) { | |
3787 | verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); | |
3788 | verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, | |
3789 | records, numrecords) == 0); | |
3790 | } | |
3791 | for (i = 0; i < numrecords; i++) | |
3792 | nvlist_free(records[i]); | |
3793 | free(records); | |
3794 | ||
3795 | return (err); | |
3796 | } | |
3797 | ||
26685276 | 3798 | /* |
9b101a73 BB |
3799 | * Retrieve the next event given the passed 'zevent_fd' file descriptor. |
3800 | * If there is a new event available 'nvp' will contain a newly allocated | |
3801 | * nvlist and 'dropped' will be set to the number of missed events since | |
3802 | * the last call to this function. When 'nvp' is set to NULL it indicates | |
3803 | * no new events are available. In either case the function returns 0 and | |
3804 | * it is up to the caller to free 'nvp'. In the case of a fatal error the | |
3805 | * function will return a non-zero value. When the function is called in | |
8c7aa0cf CD |
3806 | * blocking mode (the default, unless the ZEVENT_NONBLOCK flag is passed), |
3807 | * it will not return until a new event is available. | |
26685276 BB |
3808 | */ |
3809 | int | |
3810 | zpool_events_next(libzfs_handle_t *hdl, nvlist_t **nvp, | |
8c7aa0cf | 3811 | int *dropped, unsigned flags, int zevent_fd) |
26685276 | 3812 | { |
13fe0198 | 3813 | zfs_cmd_t zc = {"\0"}; |
26685276 BB |
3814 | int error = 0; |
3815 | ||
3816 | *nvp = NULL; | |
3817 | *dropped = 0; | |
9b101a73 | 3818 | zc.zc_cleanup_fd = zevent_fd; |
26685276 | 3819 | |
8c7aa0cf | 3820 | if (flags & ZEVENT_NONBLOCK) |
26685276 BB |
3821 | zc.zc_guid = ZEVENT_NONBLOCK; |
3822 | ||
3823 | if (zcmd_alloc_dst_nvlist(hdl, &zc, ZEVENT_SIZE) != 0) | |
3824 | return (-1); | |
3825 | ||
3826 | retry: | |
3827 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_NEXT, &zc) != 0) { | |
3828 | switch (errno) { | |
3829 | case ESHUTDOWN: | |
3830 | error = zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
3831 | dgettext(TEXT_DOMAIN, "zfs shutdown")); | |
3832 | goto out; | |
3833 | case ENOENT: | |
3834 | /* Blocking error case should not occur */ | |
8c7aa0cf | 3835 | if (!(flags & ZEVENT_NONBLOCK)) |
26685276 BB |
3836 | error = zpool_standard_error_fmt(hdl, errno, |
3837 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3838 | ||
3839 | goto out; | |
3840 | case ENOMEM: | |
3841 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
3842 | error = zfs_error_fmt(hdl, EZFS_NOMEM, | |
3843 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3844 | goto out; | |
3845 | } else { | |
3846 | goto retry; | |
3847 | } | |
3848 | default: | |
3849 | error = zpool_standard_error_fmt(hdl, errno, | |
3850 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3851 | goto out; | |
3852 | } | |
3853 | } | |
3854 | ||
3855 | error = zcmd_read_dst_nvlist(hdl, &zc, nvp); | |
3856 | if (error != 0) | |
3857 | goto out; | |
3858 | ||
3859 | *dropped = (int)zc.zc_cookie; | |
3860 | out: | |
3861 | zcmd_free_nvlists(&zc); | |
3862 | ||
3863 | return (error); | |
3864 | } | |
3865 | ||
3866 | /* | |
3867 | * Clear all events. | |
3868 | */ | |
3869 | int | |
3870 | zpool_events_clear(libzfs_handle_t *hdl, int *count) | |
3871 | { | |
13fe0198 | 3872 | zfs_cmd_t zc = {"\0"}; |
26685276 BB |
3873 | char msg[1024]; |
3874 | ||
3875 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
3876 | "cannot clear events")); | |
3877 | ||
3878 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_CLEAR, &zc) != 0) | |
3879 | return (zpool_standard_error_fmt(hdl, errno, msg)); | |
3880 | ||
3881 | if (count != NULL) | |
3882 | *count = (int)zc.zc_cookie; /* # of events cleared */ | |
3883 | ||
3884 | return (0); | |
3885 | } | |
3886 | ||
75e3ff58 BB |
3887 | /* |
3888 | * Seek to a specific EID, ZEVENT_SEEK_START, or ZEVENT_SEEK_END for | |
3889 | * the passed zevent_fd file handle. On success zero is returned, | |
3890 | * otherwise -1 is returned and hdl->libzfs_error is set to the errno. | |
3891 | */ | |
3892 | int | |
3893 | zpool_events_seek(libzfs_handle_t *hdl, uint64_t eid, int zevent_fd) | |
3894 | { | |
3895 | zfs_cmd_t zc = {"\0"}; | |
3896 | int error = 0; | |
3897 | ||
3898 | zc.zc_guid = eid; | |
3899 | zc.zc_cleanup_fd = zevent_fd; | |
3900 | ||
3901 | if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_SEEK, &zc) != 0) { | |
3902 | switch (errno) { | |
3903 | case ENOENT: | |
3904 | error = zfs_error_fmt(hdl, EZFS_NOENT, | |
3905 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3906 | break; | |
3907 | ||
3908 | case ENOMEM: | |
3909 | error = zfs_error_fmt(hdl, EZFS_NOMEM, | |
3910 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3911 | break; | |
3912 | ||
3913 | default: | |
3914 | error = zpool_standard_error_fmt(hdl, errno, | |
3915 | dgettext(TEXT_DOMAIN, "cannot get event")); | |
3916 | break; | |
3917 | } | |
3918 | } | |
3919 | ||
3920 | return (error); | |
3921 | } | |
3922 | ||
34dc7c2f BB |
3923 | void |
3924 | zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, | |
3925 | char *pathname, size_t len) | |
3926 | { | |
13fe0198 | 3927 | zfs_cmd_t zc = {"\0"}; |
34dc7c2f BB |
3928 | boolean_t mounted = B_FALSE; |
3929 | char *mntpnt = NULL; | |
3930 | char dsname[MAXNAMELEN]; | |
3931 | ||
3932 | if (dsobj == 0) { | |
3933 | /* special case for the MOS */ | |
d1d7e268 MK |
3934 | (void) snprintf(pathname, len, "<metadata>:<0x%llx>", |
3935 | (longlong_t)obj); | |
34dc7c2f BB |
3936 | return; |
3937 | } | |
3938 | ||
3939 | /* get the dataset's name */ | |
3940 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3941 | zc.zc_obj = dsobj; | |
3942 | if (ioctl(zhp->zpool_hdl->libzfs_fd, | |
3943 | ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { | |
3944 | /* just write out a path of two object numbers */ | |
3945 | (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", | |
b8864a23 | 3946 | (longlong_t)dsobj, (longlong_t)obj); |
34dc7c2f BB |
3947 | return; |
3948 | } | |
3949 | (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); | |
3950 | ||
3951 | /* find out if the dataset is mounted */ | |
3952 | mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); | |
3953 | ||
3954 | /* get the corrupted object's path */ | |
3955 | (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); | |
3956 | zc.zc_obj = obj; | |
3957 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, | |
3958 | &zc) == 0) { | |
3959 | if (mounted) { | |
3960 | (void) snprintf(pathname, len, "%s%s", mntpnt, | |
3961 | zc.zc_value); | |
3962 | } else { | |
3963 | (void) snprintf(pathname, len, "%s:%s", | |
3964 | dsname, zc.zc_value); | |
3965 | } | |
3966 | } else { | |
d1d7e268 MK |
3967 | (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, |
3968 | (longlong_t)obj); | |
34dc7c2f BB |
3969 | } |
3970 | free(mntpnt); | |
3971 | } | |
3972 | ||
b128c09f BB |
3973 | /* |
3974 | * Read the EFI label from the config, if a label does not exist then | |
3975 | * pass back the error to the caller. If the caller has passed a non-NULL | |
3976 | * diskaddr argument then we set it to the starting address of the EFI | |
3977 | * partition. | |
3978 | */ | |
3979 | static int | |
3980 | read_efi_label(nvlist_t *config, diskaddr_t *sb) | |
3981 | { | |
3982 | char *path; | |
3983 | int fd; | |
3984 | char diskname[MAXPATHLEN]; | |
3985 | int err = -1; | |
3986 | ||
3987 | if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) | |
3988 | return (err); | |
3989 | ||
eac47204 | 3990 | (void) snprintf(diskname, sizeof (diskname), "%s%s", DISK_ROOT, |
b128c09f | 3991 | strrchr(path, '/')); |
d603ed6c | 3992 | if ((fd = open(diskname, O_RDWR|O_DIRECT)) >= 0) { |
b128c09f BB |
3993 | struct dk_gpt *vtoc; |
3994 | ||
3995 | if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { | |
3996 | if (sb != NULL) | |
3997 | *sb = vtoc->efi_parts[0].p_start; | |
3998 | efi_free(vtoc); | |
3999 | } | |
4000 | (void) close(fd); | |
4001 | } | |
4002 | return (err); | |
4003 | } | |
4004 | ||
34dc7c2f BB |
4005 | /* |
4006 | * determine where a partition starts on a disk in the current | |
4007 | * configuration | |
4008 | */ | |
4009 | static diskaddr_t | |
4010 | find_start_block(nvlist_t *config) | |
4011 | { | |
4012 | nvlist_t **child; | |
4013 | uint_t c, children; | |
34dc7c2f | 4014 | diskaddr_t sb = MAXOFFSET_T; |
34dc7c2f BB |
4015 | uint64_t wholedisk; |
4016 | ||
4017 | if (nvlist_lookup_nvlist_array(config, | |
4018 | ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { | |
4019 | if (nvlist_lookup_uint64(config, | |
4020 | ZPOOL_CONFIG_WHOLE_DISK, | |
4021 | &wholedisk) != 0 || !wholedisk) { | |
4022 | return (MAXOFFSET_T); | |
4023 | } | |
b128c09f BB |
4024 | if (read_efi_label(config, &sb) < 0) |
4025 | sb = MAXOFFSET_T; | |
34dc7c2f BB |
4026 | return (sb); |
4027 | } | |
4028 | ||
4029 | for (c = 0; c < children; c++) { | |
4030 | sb = find_start_block(child[c]); | |
4031 | if (sb != MAXOFFSET_T) { | |
4032 | return (sb); | |
4033 | } | |
4034 | } | |
4035 | return (MAXOFFSET_T); | |
4036 | } | |
4037 | ||
d603ed6c BB |
4038 | int |
4039 | zpool_label_disk_wait(char *path, int timeout) | |
4040 | { | |
4041 | struct stat64 statbuf; | |
4042 | int i; | |
4043 | ||
4044 | /* | |
4045 | * Wait timeout miliseconds for a newly created device to be available | |
4046 | * from the given path. There is a small window when a /dev/ device | |
4047 | * will exist and the udev link will not, so we must wait for the | |
4048 | * symlink. Depending on the udev rules this may take a few seconds. | |
4049 | */ | |
4050 | for (i = 0; i < timeout; i++) { | |
4051 | usleep(1000); | |
4052 | ||
4053 | errno = 0; | |
4054 | if ((stat64(path, &statbuf) == 0) && (errno == 0)) | |
4055 | return (0); | |
4056 | } | |
4057 | ||
4058 | return (ENOENT); | |
4059 | } | |
4060 | ||
4061 | int | |
4062 | zpool_label_disk_check(char *path) | |
4063 | { | |
4064 | struct dk_gpt *vtoc; | |
4065 | int fd, err; | |
4066 | ||
4067 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) | |
d1d7e268 | 4068 | return (errno); |
d603ed6c BB |
4069 | |
4070 | if ((err = efi_alloc_and_read(fd, &vtoc)) != 0) { | |
4071 | (void) close(fd); | |
d1d7e268 | 4072 | return (err); |
d603ed6c BB |
4073 | } |
4074 | ||
4075 | if (vtoc->efi_flags & EFI_GPT_PRIMARY_CORRUPT) { | |
4076 | efi_free(vtoc); | |
4077 | (void) close(fd); | |
d1d7e268 | 4078 | return (EIDRM); |
d603ed6c BB |
4079 | } |
4080 | ||
4081 | efi_free(vtoc); | |
4082 | (void) close(fd); | |
d1d7e268 | 4083 | return (0); |
d603ed6c BB |
4084 | } |
4085 | ||
34dc7c2f BB |
4086 | /* |
4087 | * Label an individual disk. The name provided is the short name, | |
4088 | * stripped of any leading /dev path. | |
4089 | */ | |
4090 | int | |
4091 | zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) | |
4092 | { | |
4093 | char path[MAXPATHLEN]; | |
4094 | struct dk_gpt *vtoc; | |
d603ed6c | 4095 | int rval, fd; |
34dc7c2f BB |
4096 | size_t resv = EFI_MIN_RESV_SIZE; |
4097 | uint64_t slice_size; | |
4098 | diskaddr_t start_block; | |
4099 | char errbuf[1024]; | |
4100 | ||
4101 | /* prepare an error message just in case */ | |
4102 | (void) snprintf(errbuf, sizeof (errbuf), | |
4103 | dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); | |
4104 | ||
4105 | if (zhp) { | |
4106 | nvlist_t *nvroot; | |
4107 | ||
c372b36e | 4108 | #if defined(__sun__) || defined(__sun) |
1bd201e7 | 4109 | if (zpool_is_bootable(zhp)) { |
b128c09f BB |
4110 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
4111 | "EFI labeled devices are not supported on root " | |
4112 | "pools.")); | |
4113 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); | |
4114 | } | |
c372b36e | 4115 | #endif |
b128c09f | 4116 | |
34dc7c2f BB |
4117 | verify(nvlist_lookup_nvlist(zhp->zpool_config, |
4118 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
4119 | ||
4120 | if (zhp->zpool_start_block == 0) | |
4121 | start_block = find_start_block(nvroot); | |
4122 | else | |
4123 | start_block = zhp->zpool_start_block; | |
4124 | zhp->zpool_start_block = start_block; | |
4125 | } else { | |
4126 | /* new pool */ | |
4127 | start_block = NEW_START_BLOCK; | |
4128 | } | |
4129 | ||
eac47204 | 4130 | (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name); |
34dc7c2f | 4131 | |
d603ed6c | 4132 | if ((fd = open(path, O_RDWR|O_DIRECT)) < 0) { |
34dc7c2f BB |
4133 | /* |
4134 | * This shouldn't happen. We've long since verified that this | |
4135 | * is a valid device. | |
4136 | */ | |
109491a8 RL |
4137 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
4138 | "label '%s': unable to open device: %d"), path, errno); | |
34dc7c2f BB |
4139 | return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); |
4140 | } | |
4141 | ||
4142 | if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { | |
4143 | /* | |
4144 | * The only way this can fail is if we run out of memory, or we | |
4145 | * were unable to read the disk's capacity | |
4146 | */ | |
4147 | if (errno == ENOMEM) | |
4148 | (void) no_memory(hdl); | |
4149 | ||
4150 | (void) close(fd); | |
109491a8 RL |
4151 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " |
4152 | "label '%s': unable to read disk capacity"), path); | |
34dc7c2f BB |
4153 | |
4154 | return (zfs_error(hdl, EZFS_NOCAP, errbuf)); | |
4155 | } | |
4156 | ||
4157 | slice_size = vtoc->efi_last_u_lba + 1; | |
4158 | slice_size -= EFI_MIN_RESV_SIZE; | |
4159 | if (start_block == MAXOFFSET_T) | |
4160 | start_block = NEW_START_BLOCK; | |
4161 | slice_size -= start_block; | |
613d88ed | 4162 | slice_size = P2ALIGN(slice_size, PARTITION_END_ALIGNMENT); |
34dc7c2f BB |
4163 | |
4164 | vtoc->efi_parts[0].p_start = start_block; | |
4165 | vtoc->efi_parts[0].p_size = slice_size; | |
4166 | ||
4167 | /* | |
4168 | * Why we use V_USR: V_BACKUP confuses users, and is considered | |
4169 | * disposable by some EFI utilities (since EFI doesn't have a backup | |
4170 | * slice). V_UNASSIGNED is supposed to be used only for zero size | |
4171 | * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, | |
4172 | * etc. were all pretty specific. V_USR is as close to reality as we | |
4173 | * can get, in the absence of V_OTHER. | |
4174 | */ | |
4175 | vtoc->efi_parts[0].p_tag = V_USR; | |
4176 | (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); | |
4177 | ||
4178 | vtoc->efi_parts[8].p_start = slice_size + start_block; | |
4179 | vtoc->efi_parts[8].p_size = resv; | |
4180 | vtoc->efi_parts[8].p_tag = V_RESERVED; | |
4181 | ||
b5a28807 | 4182 | if ((rval = efi_write(fd, vtoc)) != 0 || (rval = efi_rescan(fd)) != 0) { |
34dc7c2f BB |
4183 | /* |
4184 | * Some block drivers (like pcata) may not support EFI | |
4185 | * GPT labels. Print out a helpful error message dir- | |
4186 | * ecting the user to manually label the disk and give | |
4187 | * a specific slice. | |
4188 | */ | |
4189 | (void) close(fd); | |
4190 | efi_free(vtoc); | |
4191 | ||
d603ed6c BB |
4192 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "try using " |
4193 | "parted(8) and then provide a specific slice: %d"), rval); | |
34dc7c2f BB |
4194 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); |
4195 | } | |
4196 | ||
4197 | (void) close(fd); | |
4198 | efi_free(vtoc); | |
34dc7c2f | 4199 | |
eac47204 BB |
4200 | /* Wait for the first expected partition to appear. */ |
4201 | ||
4202 | (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name); | |
4203 | (void) zfs_append_partition(path, MAXPATHLEN); | |
4204 | ||
d603ed6c BB |
4205 | rval = zpool_label_disk_wait(path, 3000); |
4206 | if (rval) { | |
4207 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "failed to " | |
4208 | "detect device partitions on '%s': %d"), path, rval); | |
4209 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); | |
34dc7c2f BB |
4210 | } |
4211 | ||
d603ed6c BB |
4212 | /* We can't be to paranoid. Read the label back and verify it. */ |
4213 | (void) snprintf(path, sizeof (path), "%s/%s", DISK_ROOT, name); | |
4214 | rval = zpool_label_disk_check(path); | |
4215 | if (rval) { | |
4216 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "freshly written " | |
4217 | "EFI label on '%s' is damaged. Ensure\nthis device " | |
4218 | "is not in in use, and is functioning properly: %d"), | |
4219 | path, rval); | |
4220 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); | |
34dc7c2f | 4221 | } |
34dc7c2f | 4222 | |
d1d7e268 | 4223 | return (0); |
34dc7c2f | 4224 | } |