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CommitLineData
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/*
0fdd8d64 23 * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
428870ff 24 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
108a454a 25 * Copyright (c) 2011, 2020 by Delphix. All rights reserved.
23d70cde 26 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>
2ffd89fc 27 * Copyright (c) 2018 Datto Inc.
d3f2cd7e 28 * Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
cc99f275 29 * Copyright (c) 2017, Intel Corporation.
f0f97865 30 * Copyright (c) 2018, loli10K <ezomori.nozomu@gmail.com>
658fb802 31 * Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
2a673e76 32 * Copyright (c) 2021, Klara Inc.
34dc7c2f
BB		 33 */
34
34dc7c2f 35#include <errno.h>
34dc7c2f
BB		 36#include <libintl.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <strings.h>
40#include <unistd.h>
6f1ffb06 41#include <libgen.h>
d603ed6c
BB		 42#include <zone.h>
43#include <sys/stat.h>
34dc7c2f 44#include <sys/efi_partition.h>
46364cb2 45#include <sys/systeminfo.h>
34dc7c2f 46#include <sys/zfs_ioctl.h>
b2255edc 47#include <sys/zfs_sysfs.h>
74d42600 48#include <sys/vdev_disk.h>
658fb802 49#include <sys/types.h>
9babb374 50#include <dlfcn.h>
e89f1295 51#include <libzutil.h>
658fb802 52#include <fcntl.h>
658fb802 53
34dc7c2f
BB		 54#include "zfs_namecheck.h"
55#include "zfs_prop.h"
56#include "libzfs_impl.h"
428870ff 57#include "zfs_comutil.h"
9ae529ec 58#include "zfeature_common.h"
34dc7c2f 59
1574c73b 60static boolean_t zpool_vdev_is_interior(const char *name);
b128c09f 61
572e2857
BB		 62typedef struct prop_flags {
63 int create:1; /* Validate property on creation */
64 int import:1; /* Validate property on import */
2a673e76 65 int vdevprop:1; /* Validate property as a VDEV property */
572e2857
BB		 66} prop_flags_t;
67
34dc7c2f
BB		 68/*
69 * ====================================================================
70 * zpool property functions
71 * ====================================================================
72 */
73
74static int
75zpool_get_all_props(zpool_handle_t *zhp)
76{
13fe0198 77 zfs_cmd_t zc = {"\0"};
34dc7c2f
BB		 78 libzfs_handle_t *hdl = zhp->zpool_hdl;
79
80 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
81
18dbf5c8 82 zcmd_alloc_dst_nvlist(hdl, &zc, 0);
34dc7c2f 83
b834b58a 84 while (zfs_ioctl(hdl, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) {
18dbf5c8
AZ		 85 if (errno == ENOMEM)
86 zcmd_expand_dst_nvlist(hdl, &zc);
87 else {
34dc7c2f
BB		 88 zcmd_free_nvlists(&zc);
89 return (-1);
90 }
91 }
92
93 if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) {
94 zcmd_free_nvlists(&zc);
95 return (-1);
96 }
97
98 zcmd_free_nvlists(&zc);
99
100 return (0);
101}
102
e60e158e 103int
34dc7c2f
BB		 104zpool_props_refresh(zpool_handle_t *zhp)
105{
106 nvlist_t *old_props;
107
108 old_props = zhp->zpool_props;
109
110 if (zpool_get_all_props(zhp) != 0)
111 return (-1);
112
113 nvlist_free(old_props);
114 return (0);
115}
116
6b8655ad 117static const char *
34dc7c2f
BB		 118zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop,
119 zprop_source_t *src)
120{
121 nvlist_t *nv, *nvl;
a926aab9 122 const char *value;
34dc7c2f
BB		 123 zprop_source_t source;
124
125 nvl = zhp->zpool_props;
126 if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) {
8bb9ecf4
RM		 127 source = fnvlist_lookup_uint64(nv, ZPROP_SOURCE);
128 value = fnvlist_lookup_string(nv, ZPROP_VALUE);
34dc7c2f
BB		 129 } else {
130 source = ZPROP_SRC_DEFAULT;
a926aab9 131 if ((value = zpool_prop_default_string(prop)) == NULL)
34dc7c2f
BB		 132 value = "-";
133 }
134
135 if (src)
136 *src = source;
137
138 return (value);
139}
140
141uint64_t
142zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src)
143{
144 nvlist_t *nv, *nvl;
145 uint64_t value;
146 zprop_source_t source;
147
b128c09f
BB		 148 if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) {
149 /*
150 * zpool_get_all_props() has most likely failed because
151 * the pool is faulted, but if all we need is the top level
152 * vdev's guid then get it from the zhp config nvlist.
153 */
154 if ((prop == ZPOOL_PROP_GUID) &&
155 (nvlist_lookup_nvlist(zhp->zpool_config,
156 ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) &&
157 (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value)
158 == 0)) {
159 return (value);
160 }
34dc7c2f 161 return (zpool_prop_default_numeric(prop));
b128c09f 162 }
34dc7c2f
BB		 163
164 nvl = zhp->zpool_props;
165 if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) {
8bb9ecf4
RM		 166 source = fnvlist_lookup_uint64(nv, ZPROP_SOURCE);
167 value = fnvlist_lookup_uint64(nv, ZPROP_VALUE);
34dc7c2f
BB		 168 } else {
169 source = ZPROP_SRC_DEFAULT;
170 value = zpool_prop_default_numeric(prop);
171 }
172
173 if (src)
174 *src = source;
175
176 return (value);
177}
178
179/*
180 * Map VDEV STATE to printed strings.
181 */
6b8655ad 182const char *
34dc7c2f
BB		 183zpool_state_to_name(vdev_state_t state, vdev_aux_t aux)
184{
185 switch (state) {
186 case VDEV_STATE_CLOSED:
187 case VDEV_STATE_OFFLINE:
188 return (gettext("OFFLINE"));
189 case VDEV_STATE_REMOVED:
190 return (gettext("REMOVED"));
191 case VDEV_STATE_CANT_OPEN:
b128c09f 192 if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG)
34dc7c2f 193 return (gettext("FAULTED"));
428870ff
BB		 194 else if (aux == VDEV_AUX_SPLIT_POOL)
195 return (gettext("SPLIT"));
34dc7c2f
BB		 196 else
197 return (gettext("UNAVAIL"));
198 case VDEV_STATE_FAULTED:
199 return (gettext("FAULTED"));
200 case VDEV_STATE_DEGRADED:
201 return (gettext("DEGRADED"));
202 case VDEV_STATE_HEALTHY:
203 return (gettext("ONLINE"));
23d70cde
GM		 204
205 default:
206 break;
34dc7c2f
BB		 207 }
208
209 return (gettext("UNKNOWN"));
210}
211
131cc95c
DK		 212/*
213 * Map POOL STATE to printed strings.
214 */
215const char *
216zpool_pool_state_to_name(pool_state_t state)
217{
218 switch (state) {
219 default:
220 break;
221 case POOL_STATE_ACTIVE:
222 return (gettext("ACTIVE"));
223 case POOL_STATE_EXPORTED:
224 return (gettext("EXPORTED"));
225 case POOL_STATE_DESTROYED:
226 return (gettext("DESTROYED"));
227 case POOL_STATE_SPARE:
228 return (gettext("SPARE"));
229 case POOL_STATE_L2CACHE:
230 return (gettext("L2CACHE"));
231 case POOL_STATE_UNINITIALIZED:
232 return (gettext("UNINITIALIZED"));
233 case POOL_STATE_UNAVAIL:
234 return (gettext("UNAVAIL"));
235 case POOL_STATE_POTENTIALLY_ACTIVE:
236 return (gettext("POTENTIALLY_ACTIVE"));
237 }
238
239 return (gettext("UNKNOWN"));
240}
241
f0ed6c74
TH		 242/*
243 * Given a pool handle, return the pool health string ("ONLINE", "DEGRADED",
244 * "SUSPENDED", etc).
245 */
246const char *
247zpool_get_state_str(zpool_handle_t *zhp)
248{
249 zpool_errata_t errata;
250 zpool_status_t status;
f0ed6c74
TH		 251 const char *str;
252
253 status = zpool_get_status(zhp, NULL, &errata);
254
255 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
256 str = gettext("FAULTED");
257 } else if (status == ZPOOL_STATUS_IO_FAILURE_WAIT ||
258 status == ZPOOL_STATUS_IO_FAILURE_MMP) {
259 str = gettext("SUSPENDED");
260 } else {
8bb9ecf4
RM		 261 nvlist_t *nvroot = fnvlist_lookup_nvlist(
262 zpool_get_config(zhp, NULL), ZPOOL_CONFIG_VDEV_TREE);
263 uint_t vsc;
264 vdev_stat_t *vs = (vdev_stat_t *)fnvlist_lookup_uint64_array(
265 nvroot, ZPOOL_CONFIG_VDEV_STATS, &vsc);
f0ed6c74
TH		 266 str = zpool_state_to_name(vs->vs_state, vs->vs_aux);
267 }
268 return (str);
269}
270
8b921f66
RE		 271/*
272 * Get a zpool property value for 'prop' and return the value in
273 * a pre-allocated buffer.
274 */
275int
2a8b84b7 276zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf,
d1d7e268 277 size_t len, zprop_source_t *srctype, boolean_t literal)
34dc7c2f
BB		 278{
279 uint64_t intval;
280 const char *strval;
281 zprop_source_t src = ZPROP_SRC_NONE;
34dc7c2f
BB		 282
283 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
d164b209
BB		 284 switch (prop) {
285 case ZPOOL_PROP_NAME:
34dc7c2f 286 (void) strlcpy(buf, zpool_get_name(zhp), len);
d164b209
BB		 287 break;
288
289 case ZPOOL_PROP_HEALTH:
f0ed6c74 290 (void) strlcpy(buf, zpool_get_state_str(zhp), len);
d164b209
BB		 291 break;
292
293 case ZPOOL_PROP_GUID:
294 intval = zpool_get_prop_int(zhp, prop, &src);
b8864a23 295 (void) snprintf(buf, len, "%llu", (u_longlong_t)intval);
d164b209
BB		 296 break;
297
298 case ZPOOL_PROP_ALTROOT:
299 case ZPOOL_PROP_CACHEFILE:
d96eb2b1 300 case ZPOOL_PROP_COMMENT:
658fb802 301 case ZPOOL_PROP_COMPATIBILITY:
d164b209
BB		 302 if (zhp->zpool_props != NULL ||
303 zpool_get_all_props(zhp) == 0) {
304 (void) strlcpy(buf,
305 zpool_get_prop_string(zhp, prop, &src),
306 len);
2a8b84b7 307 break;
d164b209 308 }
9a70e97f 309 zfs_fallthrough;
d164b209 310 default:
34dc7c2f 311 (void) strlcpy(buf, "-", len);
d164b209
BB		 312 break;
313 }
314
315 if (srctype != NULL)
316 *srctype = src;
34dc7c2f
BB		 317 return (0);
318 }
319
320 if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) &&
321 prop != ZPOOL_PROP_NAME)
322 return (-1);
323
324 switch (zpool_prop_get_type(prop)) {
325 case PROP_TYPE_STRING:
326 (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src),
327 len);
328 break;
329
330 case PROP_TYPE_NUMBER:
331 intval = zpool_get_prop_int(zhp, prop, &src);
332
333 switch (prop) {
334 case ZPOOL_PROP_SIZE:
428870ff
BB		 335 case ZPOOL_PROP_ALLOCATED:
336 case ZPOOL_PROP_FREE:
9ae529ec 337 case ZPOOL_PROP_FREEING:
fbeddd60 338 case ZPOOL_PROP_LEAKED:
df30f566 339 case ZPOOL_PROP_ASHIFT:
be8e1d81
AZ		 340 case ZPOOL_PROP_MAXBLOCKSIZE:
341 case ZPOOL_PROP_MAXDNODESIZE:
8b921f66
RE		 342 if (literal)
343 (void) snprintf(buf, len, "%llu",
02730c33 344 (u_longlong_t)intval);
8b921f66
RE		 345 else
346 (void) zfs_nicenum(intval, buf, len);
34dc7c2f
BB		 347 break;
348
a05dfd00 349 case ZPOOL_PROP_EXPANDSZ:
d2734cce 350 case ZPOOL_PROP_CHECKPOINT:
a05dfd00
GW		 351 if (intval == 0) {
352 (void) strlcpy(buf, "-", len);
353 } else if (literal) {
354 (void) snprintf(buf, len, "%llu",
355 (u_longlong_t)intval);
356 } else {
e7fbeb60 357 (void) zfs_nicebytes(intval, buf, len);
a05dfd00
GW		 358 }
359 break;
360
34dc7c2f 361 case ZPOOL_PROP_CAPACITY:
2a8b84b7
AS		 362 if (literal) {
363 (void) snprintf(buf, len, "%llu",
364 (u_longlong_t)intval);
365 } else {
366 (void) snprintf(buf, len, "%llu%%",
367 (u_longlong_t)intval);
368 }
34dc7c2f
BB		 369 break;
370
1ca56e60 371 case ZPOOL_PROP_FRAGMENTATION:
372 if (intval == UINT64_MAX) {
373 (void) strlcpy(buf, "-", len);
bc2d8093
CE		 374 } else if (literal) {
375 (void) snprintf(buf, len, "%llu",
376 (u_longlong_t)intval);
1ca56e60 377 } else {
378 (void) snprintf(buf, len, "%llu%%",
379 (u_longlong_t)intval);
380 }
381 break;
382
428870ff 383 case ZPOOL_PROP_DEDUPRATIO:
bc2d8093
CE		 384 if (literal)
385 (void) snprintf(buf, len, "%llu.%02llu",
386 (u_longlong_t)(intval / 100),
387 (u_longlong_t)(intval % 100));
388 else
389 (void) snprintf(buf, len, "%llu.%02llux",
390 (u_longlong_t)(intval / 100),
391 (u_longlong_t)(intval % 100));
428870ff
BB		 392 break;
393
34dc7c2f 394 case ZPOOL_PROP_HEALTH:
f0ed6c74 395 (void) strlcpy(buf, zpool_get_state_str(zhp), len);
34dc7c2f 396 break;
9ae529ec
CS		 397 case ZPOOL_PROP_VERSION:
398 if (intval >= SPA_VERSION_FEATURES) {
399 (void) snprintf(buf, len, "-");
400 break;
401 }
9a70e97f 402 zfs_fallthrough;
34dc7c2f 403 default:
b8864a23 404 (void) snprintf(buf, len, "%llu", (u_longlong_t)intval);
34dc7c2f
BB		 405 }
406 break;
407
408 case PROP_TYPE_INDEX:
409 intval = zpool_get_prop_int(zhp, prop, &src);
410 if (zpool_prop_index_to_string(prop, intval, &strval)
411 != 0)
412 return (-1);
413 (void) strlcpy(buf, strval, len);
414 break;
415
416 default:
417 abort();
418 }
419
420 if (srctype)
421 *srctype = src;
422
423 return (0);
424}
425
426/*
427 * Check if the bootfs name has the same pool name as it is set to.
428 * Assuming bootfs is a valid dataset name.
429 */
430static boolean_t
108a454a 431bootfs_name_valid(const char *pool, const char *bootfs)
34dc7c2f
BB		 432{
433 int len = strlen(pool);
387b6856
PD		 434 if (bootfs[0] == '\0')
435 return (B_TRUE);
34dc7c2f 436
b128c09f 437 if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT))
34dc7c2f
BB		 438 return (B_FALSE);
439
440 if (strncmp(pool, bootfs, len) == 0 &&
441 (bootfs[len] == '/' || bootfs[len] == '\0'))
442 return (B_TRUE);
443
444 return (B_FALSE);
445}
446
447/*
448 * Given an nvlist of zpool properties to be set, validate that they are
449 * correct, and parse any numeric properties (index, boolean, etc) if they are
450 * specified as strings.
451 */
452static nvlist_t *
b128c09f 453zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname,
572e2857 454 nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf)
34dc7c2f
BB		 455{
456 nvpair_t *elem;
457 nvlist_t *retprops;
458 zpool_prop_t prop;
459 char *strval;
460 uint64_t intval;
d96eb2b1 461 char *slash, *check;
34dc7c2f 462 struct stat64 statbuf;
b128c09f 463 zpool_handle_t *zhp;
e086db16 464 char report[1024];
34dc7c2f
BB		 465
466 if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) {
467 (void) no_memory(hdl);
468 return (NULL);
469 }
470
471 elem = NULL;
472 while ((elem = nvlist_next_nvpair(props, elem)) != NULL) {
473 const char *propname = nvpair_name(elem);
474
2a673e76
AJ		 475 if (flags.vdevprop && zpool_prop_vdev(propname)) {
476 vdev_prop_t vprop = vdev_name_to_prop(propname);
477
478 if (vdev_prop_readonly(vprop)) {
479 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' "
480 "is readonly"), propname);
481 (void) zfs_error(hdl, EZFS_PROPREADONLY,
482 errbuf);
483 goto error;
484 }
485
486 if (zprop_parse_value(hdl, elem, vprop, ZFS_TYPE_VDEV,
487 retprops, &strval, &intval, errbuf) != 0)
488 goto error;
489
490 continue;
491 } else if (flags.vdevprop && vdev_prop_user(propname)) {
492 if (nvlist_add_nvpair(retprops, elem) != 0) {
493 (void) no_memory(hdl);
494 goto error;
495 }
496 continue;
497 } else if (flags.vdevprop) {
498 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
499 "invalid property: '%s'"), propname);
500 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
501 goto error;
502 }
503
9ae529ec 504 prop = zpool_name_to_prop(propname);
31864e3d 505 if (prop == ZPOOL_PROP_INVAL && zpool_prop_feature(propname)) {
9ae529ec 506 int err;
9ae529ec
CS		 507 char *fname = strchr(propname, '@') + 1;
508
fa86b5db 509 err = zfeature_lookup_name(fname, NULL);
9ae529ec
CS		 510 if (err != 0) {
511 ASSERT3U(err, ==, ENOENT);
512 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
b2255edc
BB		 513 "feature '%s' unsupported by kernel"),
514 fname);
9ae529ec
CS		 515 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
516 goto error;
517 }
518
519 if (nvpair_type(elem) != DATA_TYPE_STRING) {
520 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
521 "'%s' must be a string"), propname);
522 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
523 goto error;
524 }
525
526 (void) nvpair_value_string(elem, &strval);
e4010f27 527 if (strcmp(strval, ZFS_FEATURE_ENABLED) != 0 &&
528 strcmp(strval, ZFS_FEATURE_DISABLED) != 0) {
9ae529ec
CS		 529 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
530 "property '%s' can only be set to "
e4010f27 531 "'enabled' or 'disabled'"), propname);
9966754a 532 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
533 goto error;
534 }
535
536 if (!flags.create &&
537 strcmp(strval, ZFS_FEATURE_DISABLED) == 0) {
538 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
539 "property '%s' can only be set to "
540 "'disabled' at creation time"), propname);
9ae529ec
CS		 541 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
542 goto error;
543 }
544
545 if (nvlist_add_uint64(retprops, propname, 0) != 0) {
546 (void) no_memory(hdl);
547 goto error;
548 }
549 continue;
550 }
551
34dc7c2f
BB		 552 /*
553 * Make sure this property is valid and applies to this type.
554 */
31864e3d 555 if (prop == ZPOOL_PROP_INVAL) {
34dc7c2f
BB		 556 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
557 "invalid property '%s'"), propname);
558 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
559 goto error;
560 }
561
562 if (zpool_prop_readonly(prop)) {
563 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' "
564 "is readonly"), propname);
565 (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf);
566 goto error;
567 }
568
edf60b86
CC		 569 if (!flags.create && zpool_prop_setonce(prop)) {
570 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
571 "property '%s' can only be set at "
572 "creation time"), propname);
573 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
574 goto error;
575 }
576
34dc7c2f
BB		 577 if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops,
578 &strval, &intval, errbuf) != 0)
579 goto error;
580
581 /*
582 * Perform additional checking for specific properties.
583 */
584 switch (prop) {
585 case ZPOOL_PROP_VERSION:
9ae529ec
CS		 586 if (intval < version ||
587 !SPA_VERSION_IS_SUPPORTED(intval)) {
34dc7c2f 588 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
f00f4690
AZ		 589 "property '%s' number %llu is invalid."),
590 propname, (unsigned long long)intval);
34dc7c2f
BB		 591 (void) zfs_error(hdl, EZFS_BADVERSION, errbuf);
592 goto error;
593 }
594 break;
595
df30f566 596 case ZPOOL_PROP_ASHIFT:
ff61d1a4 597 if (intval != 0 &&
598 (intval < ASHIFT_MIN || intval > ASHIFT_MAX)) {
df30f566 599 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
f00f4690
AZ		 600 "property '%s' number %llu is invalid, "
601 "only values between %" PRId32 " and %"
602 PRId32 " are allowed."),
603 propname, (unsigned long long)intval,
604 ASHIFT_MIN, ASHIFT_MAX);
df30f566
CK		 605 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
606 goto error;
607 }
608 break;
609
34dc7c2f 610 case ZPOOL_PROP_BOOTFS:
572e2857 611 if (flags.create || flags.import) {
34dc7c2f
BB		 612 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
613 "property '%s' cannot be set at creation "
614 "or import time"), propname);
615 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
616 goto error;
617 }
618
619 if (version < SPA_VERSION_BOOTFS) {
620 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
621 "pool must be upgraded to support "
622 "'%s' property"), propname);
623 (void) zfs_error(hdl, EZFS_BADVERSION, errbuf);
624 goto error;
625 }
626
627 /*
628 * bootfs property value has to be a dataset name and
629 * the dataset has to be in the same pool as it sets to.
630 */
387b6856 631 if (!bootfs_name_valid(poolname, strval)) {
34dc7c2f
BB		 632 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' "
633 "is an invalid name"), strval);
634 (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf);
635 goto error;
636 }
b128c09f
BB		 637
638 if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) {
639 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
640 "could not open pool '%s'"), poolname);
641 (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf);
642 goto error;
643 }
b128c09f 644 zpool_close(zhp);
34dc7c2f
BB		 645 break;
646
647 case ZPOOL_PROP_ALTROOT:
572e2857 648 if (!flags.create && !flags.import) {
34dc7c2f
BB		 649 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
650 "property '%s' can only be set during pool "
651 "creation or import"), propname);
652 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
653 goto error;
654 }
655
656 if (strval[0] != '/') {
657 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
658 "bad alternate root '%s'"), strval);
659 (void) zfs_error(hdl, EZFS_BADPATH, errbuf);
660 goto error;
661 }
662 break;
663
664 case ZPOOL_PROP_CACHEFILE:
665 if (strval[0] == '\0')
666 break;
667
668 if (strcmp(strval, "none") == 0)
669 break;
670
671 if (strval[0] != '/') {
672 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
673 "property '%s' must be empty, an "
674 "absolute path, or 'none'"), propname);
675 (void) zfs_error(hdl, EZFS_BADPATH, errbuf);
676 goto error;
677 }
678
679 slash = strrchr(strval, '/');
680
681 if (slash[1] == '\0' || strcmp(slash, "/.") == 0 ||
682 strcmp(slash, "/..") == 0) {
683 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
684 "'%s' is not a valid file"), strval);
685 (void) zfs_error(hdl, EZFS_BADPATH, errbuf);
686 goto error;
687 }
688
689 *slash = '\0';
690
691 if (strval[0] != '\0' &&
692 (stat64(strval, &statbuf) != 0 ||
693 !S_ISDIR(statbuf.st_mode))) {
694 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
695 "'%s' is not a valid directory"),
696 strval);
697 (void) zfs_error(hdl, EZFS_BADPATH, errbuf);
698 goto error;
699 }
700
701 *slash = '/';
702 break;
572e2857 703
658fb802 704 case ZPOOL_PROP_COMPATIBILITY:
e086db16 705 switch (zpool_load_compat(strval, NULL, report, 1024)) {
658fb802 706 case ZPOOL_COMPATIBILITY_OK:
e086db16 707 case ZPOOL_COMPATIBILITY_WARNTOKEN:
658fb802 708 break;
658fb802 709 case ZPOOL_COMPATIBILITY_BADFILE:
e086db16 710 case ZPOOL_COMPATIBILITY_BADTOKEN:
658fb802 711 case ZPOOL_COMPATIBILITY_NOFILES:
f00f4690 712 zfs_error_aux(hdl, "%s", report);
658fb802
CB		 713 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
714 goto error;
715 }
716 break;
717
d96eb2b1
DM		 718 case ZPOOL_PROP_COMMENT:
719 for (check = strval; *check != '\0'; check++) {
720 if (!isprint(*check)) {
721 zfs_error_aux(hdl,
722 dgettext(TEXT_DOMAIN,
723 "comment may only have printable "
724 "characters"));
725 (void) zfs_error(hdl, EZFS_BADPROP,
726 errbuf);
727 goto error;
728 }
729 }
730 if (strlen(strval) > ZPROP_MAX_COMMENT) {
731 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
732 "comment must not exceed %d characters"),
733 ZPROP_MAX_COMMENT);
734 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
735 goto error;
736 }
737 break;
572e2857
BB		 738 case ZPOOL_PROP_READONLY:
739 if (!flags.import) {
740 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
741 "property '%s' can only be set at "
742 "import time"), propname);
743 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
744 goto error;
745 }
746 break;
379ca9cf
OF		 747 case ZPOOL_PROP_MULTIHOST:
748 if (get_system_hostid() == 0) {
749 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
750 "requires a non-zero system hostid"));
751 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
752 goto error;
753 }
754 break;
f0f97865 755 case ZPOOL_PROP_DEDUPDITTO:
050d720c
MA		 756 printf("Note: property '%s' no longer has "
757 "any effect\n", propname);
f0f97865 758 break;
cc99f275 759
23d70cde 760 default:
83e9986f 761 break;
34dc7c2f
BB		 762 }
763 }
764
765 return (retprops);
766error:
767 nvlist_free(retprops);
768 return (NULL);
769}
770
771/*
772 * Set zpool property : propname=propval.
773 */
774int
775zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval)
776{
13fe0198 777 zfs_cmd_t zc = {"\0"};
34dc7c2f 778 int ret = -1;
d68a2bfa 779 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 780 nvlist_t *nvl = NULL;
781 nvlist_t *realprops;
782 uint64_t version;
572e2857 783 prop_flags_t flags = { 0 };
34dc7c2f
BB		 784
785 (void) snprintf(errbuf, sizeof (errbuf),
786 dgettext(TEXT_DOMAIN, "cannot set property for '%s'"),
787 zhp->zpool_name);
788
34dc7c2f
BB		 789 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
790 return (no_memory(zhp->zpool_hdl));
791
792 if (nvlist_add_string(nvl, propname, propval) != 0) {
793 nvlist_free(nvl);
794 return (no_memory(zhp->zpool_hdl));
795 }
796
797 version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
b128c09f 798 if ((realprops = zpool_valid_proplist(zhp->zpool_hdl,
572e2857 799 zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) {
34dc7c2f
BB		 800 nvlist_free(nvl);
801 return (-1);
802 }
803
804 nvlist_free(nvl);
805 nvl = realprops;
806
807 /*
808 * Execute the corresponding ioctl() to set this property.
809 */
810 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
811
18dbf5c8 812 zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl);
34dc7c2f
BB		 813
814 ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc);
815
816 zcmd_free_nvlists(&zc);
817 nvlist_free(nvl);
818
819 if (ret)
820 (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf);
821 else
822 (void) zpool_props_refresh(zhp);
823
824 return (ret);
825}
826
827int
e6c59cd1 828zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp,
2a673e76 829 zfs_type_t type, boolean_t literal)
34dc7c2f
BB		 830{
831 libzfs_handle_t *hdl = zhp->zpool_hdl;
832 zprop_list_t *entry;
833 char buf[ZFS_MAXPROPLEN];
9ae529ec
CS		 834 nvlist_t *features = NULL;
835 nvpair_t *nvp;
836 zprop_list_t **last;
837 boolean_t firstexpand = (NULL == *plp);
838 int i;
34dc7c2f 839
2a673e76 840 if (zprop_expand_list(hdl, plp, type) != 0)
34dc7c2f
BB		 841 return (-1);
842
2a673e76
AJ		 843 if (type == ZFS_TYPE_VDEV)
844 return (0);
845
9ae529ec
CS		 846 last = plp;
847 while (*last != NULL)
848 last = &(*last)->pl_next;
849
850 if ((*plp)->pl_all)
851 features = zpool_get_features(zhp);
852
853 if ((*plp)->pl_all && firstexpand) {
854 for (i = 0; i < SPA_FEATURES; i++) {
855 zprop_list_t *entry = zfs_alloc(hdl,
856 sizeof (zprop_list_t));
4ff7a8fa 857 entry->pl_prop = ZPROP_USERPROP;
9ae529ec
CS		 858 entry->pl_user_prop = zfs_asprintf(hdl, "feature@%s",
859 spa_feature_table[i].fi_uname);
860 entry->pl_width = strlen(entry->pl_user_prop);
861 entry->pl_all = B_TRUE;
862
863 *last = entry;
864 last = &entry->pl_next;
865 }
866 }
867
868 /* add any unsupported features */
869 for (nvp = nvlist_next_nvpair(features, NULL);
870 nvp != NULL; nvp = nvlist_next_nvpair(features, nvp)) {
871 char *propname;
872 boolean_t found;
873 zprop_list_t *entry;
874
875 if (zfeature_is_supported(nvpair_name(nvp)))
876 continue;
877
878 propname = zfs_asprintf(hdl, "unsupported@%s",
879 nvpair_name(nvp));
880
881 /*
882 * Before adding the property to the list make sure that no
883 * other pool already added the same property.
884 */
885 found = B_FALSE;
886 entry = *plp;
887 while (entry != NULL) {
888 if (entry->pl_user_prop != NULL &&
889 strcmp(propname, entry->pl_user_prop) == 0) {
890 found = B_TRUE;
891 break;
892 }
893 entry = entry->pl_next;
894 }
895 if (found) {
896 free(propname);
897 continue;
898 }
899
900 entry = zfs_alloc(hdl, sizeof (zprop_list_t));
4ff7a8fa 901 entry->pl_prop = ZPROP_USERPROP;
9ae529ec
CS		 902 entry->pl_user_prop = propname;
903 entry->pl_width = strlen(entry->pl_user_prop);
904 entry->pl_all = B_TRUE;
905
906 *last = entry;
907 last = &entry->pl_next;
908 }
909
34dc7c2f 910 for (entry = *plp; entry != NULL; entry = entry->pl_next) {
e6c59cd1 911 if (entry->pl_fixed && !literal)
34dc7c2f
BB		 912 continue;
913
4ff7a8fa 914 if (entry->pl_prop != ZPROP_USERPROP &&
34dc7c2f 915 zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf),
e6c59cd1 916 NULL, literal) == 0) {
34dc7c2f
BB		 917 if (strlen(buf) > entry->pl_width)
918 entry->pl_width = strlen(buf);
919 }
920 }
921
922 return (0);
923}
924
2a673e76
AJ		 925int
926vdev_expand_proplist(zpool_handle_t *zhp, const char *vdevname,
927 zprop_list_t **plp)
928{
929 zprop_list_t *entry;
930 char buf[ZFS_MAXPROPLEN];
931 char *strval = NULL;
932 int err = 0;
933 nvpair_t *elem = NULL;
934 nvlist_t *vprops = NULL;
935 nvlist_t *propval = NULL;
936 const char *propname;
937 vdev_prop_t prop;
938 zprop_list_t **last;
939
940 for (entry = *plp; entry != NULL; entry = entry->pl_next) {
941 if (entry->pl_fixed)
942 continue;
943
944 if (zpool_get_vdev_prop(zhp, vdevname, entry->pl_prop,
945 entry->pl_user_prop, buf, sizeof (buf), NULL,
946 B_FALSE) == 0) {
947 if (strlen(buf) > entry->pl_width)
948 entry->pl_width = strlen(buf);
949 }
950 if (entry->pl_prop == VDEV_PROP_NAME &&
951 strlen(vdevname) > entry->pl_width)
952 entry->pl_width = strlen(vdevname);
953 }
954
955 /* Handle the all properties case */
956 last = plp;
957 if (*last != NULL && (*last)->pl_all == B_TRUE) {
958 while (*last != NULL)
959 last = &(*last)->pl_next;
960
961 err = zpool_get_all_vdev_props(zhp, vdevname, &vprops);
962 if (err != 0)
963 return (err);
964
965 while ((elem = nvlist_next_nvpair(vprops, elem)) != NULL) {
966 propname = nvpair_name(elem);
967
968 /* Skip properties that are not user defined */
969 if ((prop = vdev_name_to_prop(propname)) !=
4ff7a8fa 970 VDEV_PROP_USERPROP)
2a673e76
AJ		 971 continue;
972
973 if (nvpair_value_nvlist(elem, &propval) != 0)
974 continue;
975
8bb9ecf4 976 strval = fnvlist_lookup_string(propval, ZPROP_VALUE);
2a673e76 977
18dbf5c8
AZ		 978 entry = zfs_alloc(zhp->zpool_hdl,
979 sizeof (zprop_list_t));
2a673e76
AJ		 980 entry->pl_prop = prop;
981 entry->pl_user_prop = zfs_strdup(zhp->zpool_hdl,
982 propname);
983 entry->pl_width = strlen(strval);
984 entry->pl_all = B_TRUE;
985 *last = entry;
986 last = &entry->pl_next;
987 }
988 }
989
990 return (0);
991}
992
9ae529ec
CS		 993/*
994 * Get the state for the given feature on the given ZFS pool.
995 */
996int
997zpool_prop_get_feature(zpool_handle_t *zhp, const char *propname, char *buf,
998 size_t len)
999{
1000 uint64_t refcount;
1001 boolean_t found = B_FALSE;
1002 nvlist_t *features = zpool_get_features(zhp);
1003 boolean_t supported;
1004 const char *feature = strchr(propname, '@') + 1;
1005
1006 supported = zpool_prop_feature(propname);
1007 ASSERT(supported || zpool_prop_unsupported(propname));
1008
1009 /*
1010 * Convert from feature name to feature guid. This conversion is
4e33ba4c 1011 * unnecessary for unsupported@... properties because they already
9ae529ec
CS		 1012 * use guids.
1013 */
1014 if (supported) {
1015 int ret;
fa86b5db 1016 spa_feature_t fid;
9ae529ec 1017
fa86b5db 1018 ret = zfeature_lookup_name(feature, &fid);
9ae529ec
CS		 1019 if (ret != 0) {
1020 (void) strlcpy(buf, "-", len);
1021 return (ENOTSUP);
1022 }
fa86b5db 1023 feature = spa_feature_table[fid].fi_guid;
9ae529ec
CS		 1024 }
1025
1026 if (nvlist_lookup_uint64(features, feature, &refcount) == 0)
1027 found = B_TRUE;
1028
1029 if (supported) {
1030 if (!found) {
1031 (void) strlcpy(buf, ZFS_FEATURE_DISABLED, len);
1032 } else {
1033 if (refcount == 0)
1034 (void) strlcpy(buf, ZFS_FEATURE_ENABLED, len);
1035 else
1036 (void) strlcpy(buf, ZFS_FEATURE_ACTIVE, len);
1037 }
1038 } else {
1039 if (found) {
1040 if (refcount == 0) {
1041 (void) strcpy(buf, ZFS_UNSUPPORTED_INACTIVE);
1042 } else {
1043 (void) strcpy(buf, ZFS_UNSUPPORTED_READONLY);
1044 }
1045 } else {
1046 (void) strlcpy(buf, "-", len);
1047 return (ENOTSUP);
1048 }
1049 }
1050
1051 return (0);
1052}
34dc7c2f
BB		 1053
1054/*
1055 * Validate the given pool name, optionally putting an extended error message in
1056 * 'buf'.
1057 */
1058boolean_t
1059zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool)
1060{
1061 namecheck_err_t why;
1062 char what;
1063 int ret;
1064
1065 ret = pool_namecheck(pool, &why, &what);
1066
1067 /*
1068 * The rules for reserved pool names were extended at a later point.
1069 * But we need to support users with existing pools that may now be
1070 * invalid. So we only check for this expanded set of names during a
1071 * create (or import), and only in userland.
1072 */
1073 if (ret == 0 && !isopen &&
1074 (strncmp(pool, "mirror", 6) == 0 ||
1075 strncmp(pool, "raidz", 5) == 0 ||
b2255edc 1076 strncmp(pool, "draid", 5) == 0 ||
34dc7c2f
BB		 1077 strncmp(pool, "spare", 5) == 0 ||
1078 strcmp(pool, "log") == 0)) {
1079 if (hdl != NULL)
1080 zfs_error_aux(hdl,
1081 dgettext(TEXT_DOMAIN, "name is reserved"));
1082 return (B_FALSE);
1083 }
1084
1085
1086 if (ret != 0) {
1087 if (hdl != NULL) {
1088 switch (why) {
1089 case NAME_ERR_TOOLONG:
1090 zfs_error_aux(hdl,
1091 dgettext(TEXT_DOMAIN, "name is too long"));
1092 break;
1093
1094 case NAME_ERR_INVALCHAR:
1095 zfs_error_aux(hdl,
1096 dgettext(TEXT_DOMAIN, "invalid character "
1097 "'%c' in pool name"), what);
1098 break;
1099
1100 case NAME_ERR_NOLETTER:
1101 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1102 "name must begin with a letter"));
1103 break;
1104
1105 case NAME_ERR_RESERVED:
1106 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1107 "name is reserved"));
1108 break;
1109
1110 case NAME_ERR_DISKLIKE:
1111 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1112 "pool name is reserved"));
1113 break;
1114
1115 case NAME_ERR_LEADING_SLASH:
1116 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1117 "leading slash in name"));
1118 break;
1119
1120 case NAME_ERR_EMPTY_COMPONENT:
1121 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1122 "empty component in name"));
1123 break;
1124
1125 case NAME_ERR_TRAILING_SLASH:
1126 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1127 "trailing slash in name"));
1128 break;
1129
aeacdefe 1130 case NAME_ERR_MULTIPLE_DELIMITERS:
34dc7c2f 1131 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
aeacdefe
GM		 1132 "multiple '@' and/or '#' delimiters in "
1133 "name"));
34dc7c2f 1134 break;
97dde921 1135
e75c13c3
BB		 1136 case NAME_ERR_NO_AT:
1137 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1138 "permission set is missing '@'"));
97dde921 1139 break;
23d70cde
GM		 1140
1141 default:
1142 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1143 "(%d) not defined"), why);
e75c13c3 1144 break;
34dc7c2f
BB		 1145 }
1146 }
1147 return (B_FALSE);
1148 }
1149
1150 return (B_TRUE);
1151}
1152
1153/*
1154 * Open a handle to the given pool, even if the pool is currently in the FAULTED
1155 * state.
1156 */
1157zpool_handle_t *
1158zpool_open_canfail(libzfs_handle_t *hdl, const char *pool)
1159{
1160 zpool_handle_t *zhp;
1161 boolean_t missing;
1162
1163 /*
1164 * Make sure the pool name is valid.
1165 */
1166 if (!zpool_name_valid(hdl, B_TRUE, pool)) {
1167 (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME,
1168 dgettext(TEXT_DOMAIN, "cannot open '%s'"),
1169 pool);
1170 return (NULL);
1171 }
1172
18dbf5c8 1173 zhp = zfs_alloc(hdl, sizeof (zpool_handle_t));
34dc7c2f
BB		 1174
1175 zhp->zpool_hdl = hdl;
1176 (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name));
1177
1178 if (zpool_refresh_stats(zhp, &missing) != 0) {
1179 zpool_close(zhp);
1180 return (NULL);
1181 }
1182
1183 if (missing) {
1184 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool"));
1185 (void) zfs_error_fmt(hdl, EZFS_NOENT,
1186 dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool);
1187 zpool_close(zhp);
1188 return (NULL);
1189 }
1190
1191 return (zhp);
1192}
1193
1194/*
1195 * Like the above, but silent on error. Used when iterating over pools (because
1196 * the configuration cache may be out of date).
1197 */
1198int
1199zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret)
1200{
1201 zpool_handle_t *zhp;
1202 boolean_t missing;
1203
18dbf5c8 1204 zhp = zfs_alloc(hdl, sizeof (zpool_handle_t));
34dc7c2f
BB		 1205
1206 zhp->zpool_hdl = hdl;
1207 (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name));
1208
1209 if (zpool_refresh_stats(zhp, &missing) != 0) {
1210 zpool_close(zhp);
1211 return (-1);
1212 }
1213
1214 if (missing) {
1215 zpool_close(zhp);
1216 *ret = NULL;
1217 return (0);
1218 }
1219
1220 *ret = zhp;
1221 return (0);
1222}
1223
1224/*
1225 * Similar to zpool_open_canfail(), but refuses to open pools in the faulted
1226 * state.
1227 */
1228zpool_handle_t *
1229zpool_open(libzfs_handle_t *hdl, const char *pool)
1230{
1231 zpool_handle_t *zhp;
1232
1233 if ((zhp = zpool_open_canfail(hdl, pool)) == NULL)
1234 return (NULL);
1235
1236 if (zhp->zpool_state == POOL_STATE_UNAVAIL) {
1237 (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL,
1238 dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name);
1239 zpool_close(zhp);
1240 return (NULL);
1241 }
1242
1243 return (zhp);
1244}
1245
1246/*
1247 * Close the handle. Simply frees the memory associated with the handle.
1248 */
1249void
1250zpool_close(zpool_handle_t *zhp)
1251{
8a5fc748
JJS		 1252 nvlist_free(zhp->zpool_config);
1253 nvlist_free(zhp->zpool_old_config);
1254 nvlist_free(zhp->zpool_props);
34dc7c2f
BB		 1255 free(zhp);
1256}
1257
1258/*
1259 * Return the name of the pool.
1260 */
1261const char *
1262zpool_get_name(zpool_handle_t *zhp)
1263{
1264 return (zhp->zpool_name);
1265}
1266
1267
1268/*
1269 * Return the state of the pool (ACTIVE or UNAVAILABLE)
1270 */
1271int
1272zpool_get_state(zpool_handle_t *zhp)
1273{
1274 return (zhp->zpool_state);
1275}
1276
cc99f275
DB		 1277/*
1278 * Check if vdev list contains a special vdev
1279 */
1280static boolean_t
1281zpool_has_special_vdev(nvlist_t *nvroot)
1282{
1283 nvlist_t **child;
1284 uint_t children;
1285
1286 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, &child,
1287 &children) == 0) {
1288 for (uint_t c = 0; c < children; c++) {
1289 char *bias;
1290
1291 if (nvlist_lookup_string(child[c],
1292 ZPOOL_CONFIG_ALLOCATION_BIAS, &bias) == 0 &&
1293 strcmp(bias, VDEV_ALLOC_BIAS_SPECIAL) == 0) {
1294 return (B_TRUE);
1295 }
1296 }
1297 }
1298 return (B_FALSE);
1299}
1300
76e1f78d
BB		 1301/*
1302 * Check if vdev list contains a dRAID vdev
1303 */
1304static boolean_t
1305zpool_has_draid_vdev(nvlist_t *nvroot)
1306{
1307 nvlist_t **child;
1308 uint_t children;
1309
1310 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
1311 &child, &children) == 0) {
1312 for (uint_t c = 0; c < children; c++) {
1313 char *type;
1314
1315 if (nvlist_lookup_string(child[c],
1316 ZPOOL_CONFIG_TYPE, &type) == 0 &&
1317 strcmp(type, VDEV_TYPE_DRAID) == 0) {
1318 return (B_TRUE);
1319 }
1320 }
1321 }
1322 return (B_FALSE);
1323}
1324
b2255edc
BB		 1325/*
1326 * Output a dRAID top-level vdev name in to the provided buffer.
1327 */
1328static char *
1329zpool_draid_name(char *name, int len, uint64_t data, uint64_t parity,
1330 uint64_t spares, uint64_t children)
1331{
1332 snprintf(name, len, "%s%llu:%llud:%lluc:%llus",
1333 VDEV_TYPE_DRAID, (u_longlong_t)parity, (u_longlong_t)data,
1334 (u_longlong_t)children, (u_longlong_t)spares);
1335
1336 return (name);
1337}
1338
1339/*
1340 * Return B_TRUE if the provided name is a dRAID spare name.
1341 */
1342boolean_t
1343zpool_is_draid_spare(const char *name)
1344{
1345 uint64_t spare_id, parity, vdev_id;
1346
1347 if (sscanf(name, VDEV_TYPE_DRAID "%llu-%llu-%llu",
1348 (u_longlong_t *)&parity, (u_longlong_t *)&vdev_id,
1349 (u_longlong_t *)&spare_id) == 3) {
1350 return (B_TRUE);
1351 }
1352
1353 return (B_FALSE);
1354}
1355
34dc7c2f
BB		 1356/*
1357 * Create the named pool, using the provided vdev list. It is assumed
1358 * that the consumer has already validated the contents of the nvlist, so we
1359 * don't have to worry about error semantics.
1360 */
1361int
1362zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot,
b128c09f 1363 nvlist_t *props, nvlist_t *fsprops)
34dc7c2f 1364{
13fe0198 1365 zfs_cmd_t zc = {"\0"};
b128c09f
BB		 1366 nvlist_t *zc_fsprops = NULL;
1367 nvlist_t *zc_props = NULL;
b5256303
TC		 1368 nvlist_t *hidden_args = NULL;
1369 uint8_t *wkeydata = NULL;
1370 uint_t wkeylen = 0;
cdeb98a1 1371 char errbuf[ERRBUFLEN];
b128c09f 1372 int ret = -1;
34dc7c2f 1373
cdeb98a1 1374 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
34dc7c2f
BB		 1375 "cannot create '%s'"), pool);
1376
1377 if (!zpool_name_valid(hdl, B_FALSE, pool))
cdeb98a1 1378 return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
34dc7c2f 1379
18dbf5c8 1380 zcmd_write_conf_nvlist(hdl, &zc, nvroot);
34dc7c2f 1381
b128c09f 1382 if (props) {
572e2857
BB		 1383 prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE };
1384
b128c09f 1385 if ((zc_props = zpool_valid_proplist(hdl, pool, props,
cdeb98a1 1386 SPA_VERSION_1, flags, errbuf)) == NULL) {
b128c09f
BB		 1387 goto create_failed;
1388 }
1389 }
34dc7c2f 1390
b128c09f
BB		 1391 if (fsprops) {
1392 uint64_t zoned;
1393 char *zonestr;
1394
1395 zoned = ((nvlist_lookup_string(fsprops,
1396 zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) &&
1397 strcmp(zonestr, "on") == 0);
1398
82f6f6e6 1399 if ((zc_fsprops = zfs_valid_proplist(hdl, ZFS_TYPE_FILESYSTEM,
cdeb98a1 1400 fsprops, zoned, NULL, NULL, B_TRUE, errbuf)) == NULL) {
b128c09f
BB		 1401 goto create_failed;
1402 }
cc99f275
DB		 1403
1404 if (nvlist_exists(zc_fsprops,
1405 zfs_prop_to_name(ZFS_PROP_SPECIAL_SMALL_BLOCKS)) &&
1406 !zpool_has_special_vdev(nvroot)) {
1407 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1408 "%s property requires a special vdev"),
1409 zfs_prop_to_name(ZFS_PROP_SPECIAL_SMALL_BLOCKS));
cdeb98a1 1410 (void) zfs_error(hdl, EZFS_BADPROP, errbuf);
cc99f275
DB		 1411 goto create_failed;
1412 }
1413
b128c09f
BB		 1414 if (!zc_props &&
1415 (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) {
1416 goto create_failed;
1417 }
d9c460a0 1418 if (zfs_crypto_create(hdl, NULL, zc_fsprops, props, B_TRUE,
b5256303 1419 &wkeydata, &wkeylen) != 0) {
cdeb98a1 1420 zfs_error(hdl, EZFS_CRYPTOFAILED, errbuf);
b5256303
TC		 1421 goto create_failed;
1422 }
b128c09f
BB		 1423 if (nvlist_add_nvlist(zc_props,
1424 ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) {
1425 goto create_failed;
1426 }
b5256303
TC		 1427 if (wkeydata != NULL) {
1428 if (nvlist_alloc(&hidden_args, NV_UNIQUE_NAME, 0) != 0)
1429 goto create_failed;
1430
1431 if (nvlist_add_uint8_array(hidden_args, "wkeydata",
1432 wkeydata, wkeylen) != 0)
1433 goto create_failed;
1434
1435 if (nvlist_add_nvlist(zc_props, ZPOOL_HIDDEN_ARGS,
1436 hidden_args) != 0)
1437 goto create_failed;
1438 }
34dc7c2f
BB		 1439 }
1440
18dbf5c8
AZ		 1441 if (zc_props)
1442 zcmd_write_src_nvlist(hdl, &zc, zc_props);
b128c09f 1443
34dc7c2f
BB		 1444 (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name));
1445
b128c09f 1446 if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) {
34dc7c2f
BB		 1447
1448 zcmd_free_nvlists(&zc);
b128c09f
BB		 1449 nvlist_free(zc_props);
1450 nvlist_free(zc_fsprops);
b5256303
TC		 1451 nvlist_free(hidden_args);
1452 if (wkeydata != NULL)
1453 free(wkeydata);
34dc7c2f
BB		 1454
1455 switch (errno) {
1456 case EBUSY:
1457 /*
1458 * This can happen if the user has specified the same
1459 * device multiple times. We can't reliably detect this
1460 * until we try to add it and see we already have a
d603ed6c
BB		 1461 * label. This can also happen under if the device is
1462 * part of an active md or lvm device.
34dc7c2f
BB		 1463 */
1464 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
d1d7e268
MK		 1465 "one or more vdevs refer to the same device, or "
1466 "one of\nthe devices is part of an active md or "
1467 "lvm device"));
cdeb98a1 1468 return (zfs_error(hdl, EZFS_BADDEV, errbuf));
34dc7c2f 1469
82f6f6e6
JS		 1470 case ERANGE:
1471 /*
1472 * This happens if the record size is smaller or larger
1473 * than the allowed size range, or not a power of 2.
1474 *
1475 * NOTE: although zfs_valid_proplist is called earlier,
1476 * this case may have slipped through since the
1477 * pool does not exist yet and it is therefore
1478 * impossible to read properties e.g. max blocksize
1479 * from the pool.
1480 */
1481 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1482 "record size invalid"));
cdeb98a1 1483 return (zfs_error(hdl, EZFS_BADPROP, errbuf));
82f6f6e6 1484
34dc7c2f
BB		 1485 case EOVERFLOW:
1486 /*
1487 * This occurs when one of the devices is below
1488 * SPA_MINDEVSIZE. Unfortunately, we can't detect which
1489 * device was the problem device since there's no
1490 * reliable way to determine device size from userland.
1491 */
1492 {
1493 char buf[64];
1494
e7fbeb60 1495 zfs_nicebytes(SPA_MINDEVSIZE, buf,
1496 sizeof (buf));
34dc7c2f
BB		 1497
1498 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1499 "one or more devices is less than the "
1500 "minimum size (%s)"), buf);
1501 }
cdeb98a1 1502 return (zfs_error(hdl, EZFS_BADDEV, errbuf));
34dc7c2f
BB		 1503
1504 case ENOSPC:
1505 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1506 "one or more devices is out of space"));
cdeb98a1 1507 return (zfs_error(hdl, EZFS_BADDEV, errbuf));
34dc7c2f 1508
76e1f78d
BB		 1509 case EINVAL:
1510 if (zpool_has_draid_vdev(nvroot) &&
1511 zfeature_lookup_name("draid", NULL) != 0) {
1512 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1513 "dRAID vdevs are unsupported by the "
1514 "kernel"));
cdeb98a1 1515 return (zfs_error(hdl, EZFS_BADDEV, errbuf));
76e1f78d 1516 } else {
cdeb98a1
RM		 1517 return (zpool_standard_error(hdl, errno,
1518 errbuf));
76e1f78d
BB		 1519 }
1520
34dc7c2f 1521 default:
cdeb98a1 1522 return (zpool_standard_error(hdl, errno, errbuf));
34dc7c2f
BB		 1523 }
1524 }
1525
b128c09f 1526create_failed:
34dc7c2f 1527 zcmd_free_nvlists(&zc);
b128c09f
BB		 1528 nvlist_free(zc_props);
1529 nvlist_free(zc_fsprops);
b5256303
TC		 1530 nvlist_free(hidden_args);
1531 if (wkeydata != NULL)
1532 free(wkeydata);
b128c09f 1533 return (ret);
34dc7c2f
BB		 1534}
1535
1536/*
1537 * Destroy the given pool. It is up to the caller to ensure that there are no
1538 * datasets left in the pool.
1539 */
1540int
6f1ffb06 1541zpool_destroy(zpool_handle_t *zhp, const char *log_str)
34dc7c2f 1542{
13fe0198 1543 zfs_cmd_t zc = {"\0"};
34dc7c2f
BB		 1544 zfs_handle_t *zfp = NULL;
1545 libzfs_handle_t *hdl = zhp->zpool_hdl;
cdeb98a1 1546 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 1547
1548 if (zhp->zpool_state == POOL_STATE_ACTIVE &&
572e2857 1549 (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 1550 return (-1);
1551
34dc7c2f 1552 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
6f1ffb06 1553 zc.zc_history = (uint64_t)(uintptr_t)log_str;
34dc7c2f 1554
572e2857 1555 if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) {
cdeb98a1 1556 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
34dc7c2f
BB		 1557 "cannot destroy '%s'"), zhp->zpool_name);
1558
1559 if (errno == EROFS) {
1560 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1561 "one or more devices is read only"));
cdeb98a1 1562 (void) zfs_error(hdl, EZFS_BADDEV, errbuf);
34dc7c2f 1563 } else {
cdeb98a1 1564 (void) zpool_standard_error(hdl, errno, errbuf);
34dc7c2f
BB		 1565 }
1566
1567 if (zfp)
1568 zfs_close(zfp);
1569 return (-1);
1570 }
1571
1572 if (zfp) {
1573 remove_mountpoint(zfp);
1574 zfs_close(zfp);
1575 }
1576
1577 return (0);
1578}
1579
d2734cce
SD		 1580/*
1581 * Create a checkpoint in the given pool.
1582 */
1583int
1584zpool_checkpoint(zpool_handle_t *zhp)
1585{
1586 libzfs_handle_t *hdl = zhp->zpool_hdl;
cdeb98a1 1587 char errbuf[ERRBUFLEN];
d2734cce
SD		 1588 int error;
1589
1590 error = lzc_pool_checkpoint(zhp->zpool_name);
1591 if (error != 0) {
cdeb98a1 1592 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
d2734cce 1593 "cannot checkpoint '%s'"), zhp->zpool_name);
cdeb98a1 1594 (void) zpool_standard_error(hdl, error, errbuf);
d2734cce
SD		 1595 return (-1);
1596 }
1597
1598 return (0);
1599}
1600
1601/*
1602 * Discard the checkpoint from the given pool.
1603 */
1604int
1605zpool_discard_checkpoint(zpool_handle_t *zhp)
1606{
1607 libzfs_handle_t *hdl = zhp->zpool_hdl;
cdeb98a1 1608 char errbuf[ERRBUFLEN];
d2734cce
SD		 1609 int error;
1610
1611 error = lzc_pool_checkpoint_discard(zhp->zpool_name);
1612 if (error != 0) {
cdeb98a1 1613 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
d2734cce 1614 "cannot discard checkpoint in '%s'"), zhp->zpool_name);
cdeb98a1 1615 (void) zpool_standard_error(hdl, error, errbuf);
d2734cce
SD		 1616 return (-1);
1617 }
1618
1619 return (0);
1620}
1621
34dc7c2f
BB		 1622/*
1623 * Add the given vdevs to the pool. The caller must have already performed the
1624 * necessary verification to ensure that the vdev specification is well-formed.
1625 */
1626int
1627zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot)
1628{
13fe0198 1629 zfs_cmd_t zc = {"\0"};
34dc7c2f
BB		 1630 int ret;
1631 libzfs_handle_t *hdl = zhp->zpool_hdl;
cdeb98a1 1632 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 1633 nvlist_t **spares, **l2cache;
1634 uint_t nspares, nl2cache;
1635
cdeb98a1 1636 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
34dc7c2f
BB		 1637 "cannot add to '%s'"), zhp->zpool_name);
1638
1639 if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) <
1640 SPA_VERSION_SPARES &&
1641 nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
1642 &spares, &nspares) == 0) {
1643 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be "
1644 "upgraded to add hot spares"));
cdeb98a1 1645 return (zfs_error(hdl, EZFS_BADVERSION, errbuf));
34dc7c2f
BB		 1646 }
1647
1648 if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) <
1649 SPA_VERSION_L2CACHE &&
1650 nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
1651 &l2cache, &nl2cache) == 0) {
1652 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be "
1653 "upgraded to add cache devices"));
cdeb98a1 1654 return (zfs_error(hdl, EZFS_BADVERSION, errbuf));
34dc7c2f
BB		 1655 }
1656
18dbf5c8 1657 zcmd_write_conf_nvlist(hdl, &zc, nvroot);
34dc7c2f
BB		 1658 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
1659
572e2857 1660 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) {
34dc7c2f
BB		 1661 switch (errno) {
1662 case EBUSY:
1663 /*
1664 * This can happen if the user has specified the same
1665 * device multiple times. We can't reliably detect this
1666 * until we try to add it and see we already have a
1667 * label.
1668 */
1669 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1670 "one or more vdevs refer to the same device"));
cdeb98a1 1671 (void) zfs_error(hdl, EZFS_BADDEV, errbuf);
34dc7c2f
BB		 1672 break;
1673
a1d477c2 1674 case EINVAL:
76e1f78d
BB		 1675
1676 if (zpool_has_draid_vdev(nvroot) &&
1677 zfeature_lookup_name("draid", NULL) != 0) {
1678 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1679 "dRAID vdevs are unsupported by the "
1680 "kernel"));
1681 } else {
1682 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1683 "invalid config; a pool with removing/"
1684 "removed vdevs does not support adding "
1685 "raidz or dRAID vdevs"));
1686 }
1687
cdeb98a1 1688 (void) zfs_error(hdl, EZFS_BADDEV, errbuf);
a1d477c2
MA		 1689 break;
1690
34dc7c2f
BB		 1691 case EOVERFLOW:
1692 /*
78595377 1693 * This occurs when one of the devices is below
34dc7c2f
BB		 1694 * SPA_MINDEVSIZE. Unfortunately, we can't detect which
1695 * device was the problem device since there's no
1696 * reliable way to determine device size from userland.
1697 */
1698 {
1699 char buf[64];
1700
e7fbeb60 1701 zfs_nicebytes(SPA_MINDEVSIZE, buf,
1702 sizeof (buf));
34dc7c2f
BB		 1703
1704 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1705 "device is less than the minimum "
1706 "size (%s)"), buf);
1707 }
cdeb98a1 1708 (void) zfs_error(hdl, EZFS_BADDEV, errbuf);
34dc7c2f
BB		 1709 break;
1710
1711 case ENOTSUP:
1712 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
1713 "pool must be upgraded to add these vdevs"));
cdeb98a1 1714 (void) zfs_error(hdl, EZFS_BADVERSION, errbuf);
34dc7c2f
BB		 1715 break;
1716
34dc7c2f 1717 default:
cdeb98a1 1718 (void) zpool_standard_error(hdl, errno, errbuf);
34dc7c2f
BB		 1719 }
1720
1721 ret = -1;
1722 } else {
1723 ret = 0;
1724 }
1725
1726 zcmd_free_nvlists(&zc);
1727
1728 return (ret);
1729}
1730
1731/*
1732 * Exports the pool from the system. The caller must ensure that there are no
1733 * mounted datasets in the pool.
1734 */
6f1ffb06
MA		 1735static int
1736zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce,
1737 const char *log_str)
34dc7c2f 1738{
13fe0198 1739 zfs_cmd_t zc = {"\0"};
b128c09f 1740
34dc7c2f 1741 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
b128c09f 1742 zc.zc_cookie = force;
fb5f0bc8 1743 zc.zc_guid = hardforce;
6f1ffb06 1744 zc.zc_history = (uint64_t)(uintptr_t)log_str;
b128c09f
BB		 1745
1746 if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) {
1747 switch (errno) {
1748 case EXDEV:
1749 zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN,
1750 "use '-f' to override the following errors:\n"
1751 "'%s' has an active shared spare which could be"
1752 " used by other pools once '%s' is exported."),
1753 zhp->zpool_name, zhp->zpool_name);
f00f4690
AZ		 1754 return (zfs_error_fmt(zhp->zpool_hdl, EZFS_ACTIVE_SPARE,
1755 dgettext(TEXT_DOMAIN, "cannot export '%s'"),
1756 zhp->zpool_name));
b128c09f
BB		 1757 default:
1758 return (zpool_standard_error_fmt(zhp->zpool_hdl, errno,
f00f4690
AZ		 1759 dgettext(TEXT_DOMAIN, "cannot export '%s'"),
1760 zhp->zpool_name));
b128c09f
BB		 1761 }
1762 }
34dc7c2f 1763
34dc7c2f
BB		 1764 return (0);
1765}
1766
fb5f0bc8 1767int
6f1ffb06 1768zpool_export(zpool_handle_t *zhp, boolean_t force, const char *log_str)
fb5f0bc8 1769{
6f1ffb06 1770 return (zpool_export_common(zhp, force, B_FALSE, log_str));
fb5f0bc8
BB		 1771}
1772
1773int
6f1ffb06 1774zpool_export_force(zpool_handle_t *zhp, const char *log_str)
fb5f0bc8 1775{
6f1ffb06 1776 return (zpool_export_common(zhp, B_TRUE, B_TRUE, log_str));
fb5f0bc8
BB		 1777}
1778
428870ff
BB		 1779static void
1780zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun,
572e2857 1781 nvlist_t *config)
428870ff 1782{
572e2857 1783 nvlist_t *nv = NULL;
428870ff
BB		 1784 uint64_t rewindto;
1785 int64_t loss = -1;
1786 struct tm t;
1787 char timestr[128];
1788
572e2857
BB		 1789 if (!hdl->libzfs_printerr || config == NULL)
1790 return;
1791
9ae529ec
CS		 1792 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 ||
1793 nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0) {
428870ff 1794 return;
9ae529ec 1795 }
428870ff 1796
572e2857 1797 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0)
428870ff 1798 return;
572e2857 1799 (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss);
428870ff
BB		 1800
1801 if (localtime_r((time_t *)&rewindto, &t) != NULL &&
b8864a23 1802 strftime(timestr, 128, "%c", &t) != 0) {
428870ff
BB		 1803 if (dryrun) {
1804 (void) printf(dgettext(TEXT_DOMAIN,
1805 "Would be able to return %s "
1806 "to its state as of %s.\n"),
1807 name, timestr);
1808 } else {
1809 (void) printf(dgettext(TEXT_DOMAIN,
1810 "Pool %s returned to its state as of %s.\n"),
1811 name, timestr);
1812 }
1813 if (loss > 120) {
1814 (void) printf(dgettext(TEXT_DOMAIN,
1815 "%s approximately %lld "),
1816 dryrun ? "Would discard" : "Discarded",
b8864a23 1817 ((longlong_t)loss + 30) / 60);
428870ff
BB		 1818 (void) printf(dgettext(TEXT_DOMAIN,
1819 "minutes of transactions.\n"));
1820 } else if (loss > 0) {
1821 (void) printf(dgettext(TEXT_DOMAIN,
1822 "%s approximately %lld "),
b8864a23
BB		 1823 dryrun ? "Would discard" : "Discarded",
1824 (longlong_t)loss);
428870ff
BB		 1825 (void) printf(dgettext(TEXT_DOMAIN,
1826 "seconds of transactions.\n"));
1827 }
1828 }
1829}
1830
1831void
1832zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason,
1833 nvlist_t *config)
1834{
572e2857 1835 nvlist_t *nv = NULL;
428870ff
BB		 1836 int64_t loss = -1;
1837 uint64_t edata = UINT64_MAX;
1838 uint64_t rewindto;
1839 struct tm t;
1840 char timestr[128];
1841
1842 if (!hdl->libzfs_printerr)
1843 return;
1844
1845 if (reason >= 0)
1846 (void) printf(dgettext(TEXT_DOMAIN, "action: "));
1847 else
1848 (void) printf(dgettext(TEXT_DOMAIN, "\t"));
1849
1850 /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */
572e2857 1851 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 ||
9ae529ec 1852 nvlist_lookup_nvlist(nv, ZPOOL_CONFIG_REWIND_INFO, &nv) != 0 ||
572e2857 1853 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0)
428870ff
BB		 1854 goto no_info;
1855
572e2857
BB		 1856 (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss);
1857 (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS,
428870ff
BB		 1858 &edata);
1859
1860 (void) printf(dgettext(TEXT_DOMAIN,
1861 "Recovery is possible, but will result in some data loss.\n"));
1862
1863 if (localtime_r((time_t *)&rewindto, &t) != NULL &&
b8864a23 1864 strftime(timestr, 128, "%c", &t) != 0) {
428870ff
BB		 1865 (void) printf(dgettext(TEXT_DOMAIN,
1866 "\tReturning the pool to its state as of %s\n"
1867 "\tshould correct the problem. "),
1868 timestr);
1869 } else {
1870 (void) printf(dgettext(TEXT_DOMAIN,
1871 "\tReverting the pool to an earlier state "
1872 "should correct the problem.\n\t"));
1873 }
1874
1875 if (loss > 120) {
1876 (void) printf(dgettext(TEXT_DOMAIN,
1877 "Approximately %lld minutes of data\n"
b8864a23
BB		 1878 "\tmust be discarded, irreversibly. "),
1879 ((longlong_t)loss + 30) / 60);
428870ff
BB		 1880 } else if (loss > 0) {
1881 (void) printf(dgettext(TEXT_DOMAIN,
1882 "Approximately %lld seconds of data\n"
b8864a23
BB		 1883 "\tmust be discarded, irreversibly. "),
1884 (longlong_t)loss);
428870ff
BB		 1885 }
1886 if (edata != 0 && edata != UINT64_MAX) {
1887 if (edata == 1) {
1888 (void) printf(dgettext(TEXT_DOMAIN,
1889 "After rewind, at least\n"
1890 "\tone persistent user-data error will remain. "));
1891 } else {
1892 (void) printf(dgettext(TEXT_DOMAIN,
1893 "After rewind, several\n"
1894 "\tpersistent user-data errors will remain. "));
1895 }
1896 }
1897 (void) printf(dgettext(TEXT_DOMAIN,
1898 "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "),
1899 reason >= 0 ? "clear" : "import", name);
1900
1901 (void) printf(dgettext(TEXT_DOMAIN,
1902 "A scrub of the pool\n"
1903 "\tis strongly recommended after recovery.\n"));
1904 return;
1905
1906no_info:
1907 (void) printf(dgettext(TEXT_DOMAIN,
1908 "Destroy and re-create the pool from\n\ta backup source.\n"));
1909}
1910
34dc7c2f
BB		 1911/*
1912 * zpool_import() is a contracted interface. Should be kept the same
1913 * if possible.
1914 *
1915 * Applications should use zpool_import_props() to import a pool with
1916 * new properties value to be set.
1917 */
1918int
1919zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
1920 char *altroot)
1921{
1922 nvlist_t *props = NULL;
1923 int ret;
1924
1925 if (altroot != NULL) {
1926 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) {
1927 return (zfs_error_fmt(hdl, EZFS_NOMEM,
1928 dgettext(TEXT_DOMAIN, "cannot import '%s'"),
1929 newname));
1930 }
1931
1932 if (nvlist_add_string(props,
fb5f0bc8
BB		 1933 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 ||
1934 nvlist_add_string(props,
1935 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) {
34dc7c2f
BB		 1936 nvlist_free(props);
1937 return (zfs_error_fmt(hdl, EZFS_NOMEM,
1938 dgettext(TEXT_DOMAIN, "cannot import '%s'"),
1939 newname));
1940 }
1941 }
1942
572e2857
BB		 1943 ret = zpool_import_props(hdl, config, newname, props,
1944 ZFS_IMPORT_NORMAL);
8a5fc748 1945 nvlist_free(props);
34dc7c2f
BB		 1946 return (ret);
1947}
1948
572e2857
BB		 1949static void
1950print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv,
1951 int indent)
1952{
1953 nvlist_t **child;
1954 uint_t c, children;
1955 char *vname;
1956 uint64_t is_log = 0;
1957
1958 (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG,
1959 &is_log);
1960
1961 if (name != NULL)
1962 (void) printf("\t%*s%s%s\n", indent, "", name,
1963 is_log ? " [log]" : "");
1964
1965 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1966 &child, &children) != 0)
1967 return;
1968
1969 for (c = 0; c < children; c++) {
d2f3e292 1970 vname = zpool_vdev_name(hdl, NULL, child[c], VDEV_NAME_TYPE_ID);
572e2857
BB		 1971 print_vdev_tree(hdl, vname, child[c], indent + 2);
1972 free(vname);
1973 }
1974}
1975
9ae529ec
CS		 1976void
1977zpool_print_unsup_feat(nvlist_t *config)
1978{
1979 nvlist_t *nvinfo, *unsup_feat;
9ae529ec 1980
8bb9ecf4
RM		 1981 nvinfo = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO);
1982 unsup_feat = fnvlist_lookup_nvlist(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT);
9ae529ec 1983
8bb9ecf4
RM		 1984 for (nvpair_t *nvp = nvlist_next_nvpair(unsup_feat, NULL);
1985 nvp != NULL; nvp = nvlist_next_nvpair(unsup_feat, nvp)) {
1986 char *desc = fnvpair_value_string(nvp);
9ae529ec
CS		 1987 if (strlen(desc) > 0)
1988 (void) printf("\t%s (%s)\n", nvpair_name(nvp), desc);
1989 else
1990 (void) printf("\t%s\n", nvpair_name(nvp));
1991 }
1992}
1993
34dc7c2f
BB		 1994/*
1995 * Import the given pool using the known configuration and a list of
1996 * properties to be set. The configuration should have come from
1997 * zpool_find_import(). The 'newname' parameters control whether the pool
1998 * is imported with a different name.
1999 */
2000int
2001zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
572e2857 2002 nvlist_t *props, int flags)
34dc7c2f 2003{
13fe0198 2004 zfs_cmd_t zc = {"\0"};
8a393be3 2005 zpool_load_policy_t policy;
572e2857
BB		 2006 nvlist_t *nv = NULL;
2007 nvlist_t *nvinfo = NULL;
2008 nvlist_t *missing = NULL;
0f7a0cc7 2009 const char *thename;
34dc7c2f
BB		 2010 char *origname;
2011 int ret;
572e2857 2012 int error = 0;
d68a2bfa 2013 char errbuf[ERRBUFLEN];
34dc7c2f 2014
8bb9ecf4 2015 origname = fnvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME);
34dc7c2f
BB		 2016
2017 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
2018 "cannot import pool '%s'"), origname);
2019
2020 if (newname != NULL) {
2021 if (!zpool_name_valid(hdl, B_FALSE, newname))
2022 return (zfs_error_fmt(hdl, EZFS_INVALIDNAME,
2023 dgettext(TEXT_DOMAIN, "cannot import '%s'"),
2024 newname));
0f7a0cc7 2025 thename = newname;
34dc7c2f
BB		 2026 } else {
2027 thename = origname;
2028 }
2029
0fdd8d64 2030 if (props != NULL) {
34dc7c2f 2031 uint64_t version;
572e2857 2032 prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE };
34dc7c2f 2033
8bb9ecf4 2034 version = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION);
34dc7c2f 2035
b128c09f 2036 if ((props = zpool_valid_proplist(hdl, origname,
0fdd8d64 2037 props, version, flags, errbuf)) == NULL)
34dc7c2f 2038 return (-1);
18dbf5c8 2039 zcmd_write_src_nvlist(hdl, &zc, props);
0fdd8d64 2040 nvlist_free(props);
34dc7c2f
BB		 2041 }
2042
2043 (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name));
2044
8bb9ecf4 2045 zc.zc_guid = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID);
34dc7c2f 2046
18dbf5c8
AZ		 2047 zcmd_write_conf_nvlist(hdl, &zc, config);
2048 zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2);
34dc7c2f 2049
572e2857
BB		 2050 zc.zc_cookie = flags;
2051 while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 &&
18dbf5c8
AZ		 2052 errno == ENOMEM)
2053 zcmd_expand_dst_nvlist(hdl, &zc);
572e2857
BB		 2054 if (ret != 0)
2055 error = errno;
2056
2057 (void) zcmd_read_dst_nvlist(hdl, &zc, &nv);
0fdd8d64
MT		 2058
2059 zcmd_free_nvlists(&zc);
2060
8a393be3 2061 zpool_get_load_policy(config, &policy);
572e2857
BB		 2062
2063 if (error) {
34dc7c2f 2064 char desc[1024];
379ca9cf 2065 char aux[256];
428870ff 2066
428870ff
BB		 2067 /*
2068 * Dry-run failed, but we print out what success
2069 * looks like if we found a best txg
2070 */
8a393be3 2071 if (policy.zlp_rewind & ZPOOL_TRY_REWIND) {
428870ff 2072 zpool_rewind_exclaim(hdl, newname ? origname : thename,
572e2857
BB		 2073 B_TRUE, nv);
2074 nvlist_free(nv);
428870ff
BB		 2075 return (-1);
2076 }
2077
34dc7c2f
BB		 2078 if (newname == NULL)
2079 (void) snprintf(desc, sizeof (desc),
2080 dgettext(TEXT_DOMAIN, "cannot import '%s'"),
2081 thename);
2082 else
2083 (void) snprintf(desc, sizeof (desc),
2084 dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"),
2085 origname, thename);
2086
572e2857 2087 switch (error) {
34dc7c2f 2088 case ENOTSUP:
9ae529ec
CS		 2089 if (nv != NULL && nvlist_lookup_nvlist(nv,
2090 ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 &&
2091 nvlist_exists(nvinfo, ZPOOL_CONFIG_UNSUP_FEAT)) {
2092 (void) printf(dgettext(TEXT_DOMAIN, "This "
2093 "pool uses the following feature(s) not "
2094 "supported by this system:\n"));
2095 zpool_print_unsup_feat(nv);
2096 if (nvlist_exists(nvinfo,
2097 ZPOOL_CONFIG_CAN_RDONLY)) {
2098 (void) printf(dgettext(TEXT_DOMAIN,
2099 "All unsupported features are only "
2100 "required for writing to the pool."
2101 "\nThe pool can be imported using "
2102 "'-o readonly=on'.\n"));
2103 }
2104 }
34dc7c2f
BB		 2105 /*
2106 * Unsupported version.
2107 */
2108 (void) zfs_error(hdl, EZFS_BADVERSION, desc);
2109 break;
2110
379ca9cf
OF		 2111 case EREMOTEIO:
2112 if (nv != NULL && nvlist_lookup_nvlist(nv,
2113 ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0) {
a926aab9 2114 const char *hostname = "<unknown>";
379ca9cf
OF		 2115 uint64_t hostid = 0;
2116 mmp_state_t mmp_state;
2117
2118 mmp_state = fnvlist_lookup_uint64(nvinfo,
2119 ZPOOL_CONFIG_MMP_STATE);
2120
2121 if (nvlist_exists(nvinfo,
2122 ZPOOL_CONFIG_MMP_HOSTNAME))
2123 hostname = fnvlist_lookup_string(nvinfo,
2124 ZPOOL_CONFIG_MMP_HOSTNAME);
2125
2126 if (nvlist_exists(nvinfo,
2127 ZPOOL_CONFIG_MMP_HOSTID))
2128 hostid = fnvlist_lookup_uint64(nvinfo,
2129 ZPOOL_CONFIG_MMP_HOSTID);
2130
2131 if (mmp_state == MMP_STATE_ACTIVE) {
2132 (void) snprintf(aux, sizeof (aux),
2133 dgettext(TEXT_DOMAIN, "pool is imp"
2134 "orted on host '%s' (hostid=%lx).\n"
2135 "Export the pool on the other "
2136 "system, then run 'zpool import'."),
2137 hostname, (unsigned long) hostid);
2138 } else if (mmp_state == MMP_STATE_NO_HOSTID) {
2139 (void) snprintf(aux, sizeof (aux),
2140 dgettext(TEXT_DOMAIN, "pool has "
2141 "the multihost property on and "
2142 "the\nsystem's hostid is not set. "
2143 "Set a unique system hostid with "
b9373170 2144 "the zgenhostid(8) command.\n"));
379ca9cf
OF		 2145 }
2146
f00f4690 2147 (void) zfs_error_aux(hdl, "%s", aux);
379ca9cf
OF		 2148 }
2149 (void) zfs_error(hdl, EZFS_ACTIVE_POOL, desc);
2150 break;
2151
34dc7c2f
BB		 2152 case EINVAL:
2153 (void) zfs_error(hdl, EZFS_INVALCONFIG, desc);
2154 break;
2155
428870ff
BB		 2156 case EROFS:
2157 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
2158 "one or more devices is read only"));
2159 (void) zfs_error(hdl, EZFS_BADDEV, desc);
2160 break;
2161
572e2857
BB		 2162 case ENXIO:
2163 if (nv && nvlist_lookup_nvlist(nv,
2164 ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 &&
2165 nvlist_lookup_nvlist(nvinfo,
2166 ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) {
2167 (void) printf(dgettext(TEXT_DOMAIN,
6cb8e530
PZ		 2168 "The devices below are missing or "
2169 "corrupted, use '-m' to import the pool "
2170 "anyway:\n"));
572e2857
BB		 2171 print_vdev_tree(hdl, NULL, missing, 2);
2172 (void) printf("\n");
2173 }
2174 (void) zpool_standard_error(hdl, error, desc);
2175 break;
2176
2177 case EEXIST:
2178 (void) zpool_standard_error(hdl, error, desc);
2179 break;
2180
abe5b8fb
BB		 2181 case EBUSY:
2182 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
2183 "one or more devices are already in use\n"));
2184 (void) zfs_error(hdl, EZFS_BADDEV, desc);
2185 break;
d1d19c78
PD		 2186 case ENAMETOOLONG:
2187 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
2188 "new name of at least one dataset is longer than "
2189 "the maximum allowable length"));
2190 (void) zfs_error(hdl, EZFS_NAMETOOLONG, desc);
2191 break;
34dc7c2f 2192 default:
572e2857 2193 (void) zpool_standard_error(hdl, error, desc);
428870ff 2194 zpool_explain_recover(hdl,
572e2857 2195 newname ? origname : thename, -error, nv);
428870ff 2196 break;
34dc7c2f
BB		 2197 }
2198
572e2857 2199 nvlist_free(nv);
34dc7c2f
BB		 2200 ret = -1;
2201 } else {
2202 zpool_handle_t *zhp;
2203
2204 /*
2205 * This should never fail, but play it safe anyway.
2206 */
428870ff 2207 if (zpool_open_silent(hdl, thename, &zhp) != 0)
34dc7c2f 2208 ret = -1;
428870ff 2209 else if (zhp != NULL)
34dc7c2f 2210 zpool_close(zhp);
8a393be3 2211 if (policy.zlp_rewind &
428870ff
BB		 2212 (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) {
2213 zpool_rewind_exclaim(hdl, newname ? origname : thename,
8a393be3 2214 ((policy.zlp_rewind & ZPOOL_TRY_REWIND) != 0), nv);
34dc7c2f 2215 }
572e2857 2216 nvlist_free(nv);
428870ff 2217 return (0);
34dc7c2f
BB		 2218 }
2219
34dc7c2f
BB		 2220 return (ret);
2221}
2222
1b939560
BB		 2223/*
2224 * Translate vdev names to guids. If a vdev_path is determined to be
2225 * unsuitable then a vd_errlist is allocated and the vdev path and errno
2226 * are added to it.
2227 */
2228static int
2229zpool_translate_vdev_guids(zpool_handle_t *zhp, nvlist_t *vds,
2230 nvlist_t *vdev_guids, nvlist_t *guids_to_paths, nvlist_t **vd_errlist)
2231{
2232 nvlist_t *errlist = NULL;
2233 int error = 0;
2234
2235 for (nvpair_t *elem = nvlist_next_nvpair(vds, NULL); elem != NULL;
2236 elem = nvlist_next_nvpair(vds, elem)) {
2237 boolean_t spare, cache;
2238
2239 char *vd_path = nvpair_name(elem);
2240 nvlist_t *tgt = zpool_find_vdev(zhp, vd_path, &spare, &cache,
2241 NULL);
2242
2243 if ((tgt == NULL) || cache || spare) {
2244 if (errlist == NULL) {
2245 errlist = fnvlist_alloc();
2246 error = EINVAL;
2247 }
2248
2249 uint64_t err = (tgt == NULL) ? EZFS_NODEVICE :
2250 (spare ? EZFS_ISSPARE : EZFS_ISL2CACHE);
2251 fnvlist_add_int64(errlist, vd_path, err);
2252 continue;
2253 }
2254
2255 uint64_t guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID);
2256 fnvlist_add_uint64(vdev_guids, vd_path, guid);
2257
2258 char msg[MAXNAMELEN];
2259 (void) snprintf(msg, sizeof (msg), "%llu", (u_longlong_t)guid);
2260 fnvlist_add_string(guids_to_paths, msg, vd_path);
2261 }
2262
2263 if (error != 0) {
2264 verify(errlist != NULL);
2265 if (vd_errlist != NULL)
2266 *vd_errlist = errlist;
2267 else
2268 fnvlist_free(errlist);
2269 }
2270
2271 return (error);
2272}
2273
619f0976
GW		 2274static int
2275xlate_init_err(int err)
2276{
2277 switch (err) {
2278 case ENODEV:
2279 return (EZFS_NODEVICE);
2280 case EINVAL:
2281 case EROFS:
2282 return (EZFS_BADDEV);
2283 case EBUSY:
2284 return (EZFS_INITIALIZING);
2285 case ESRCH:
2286 return (EZFS_NO_INITIALIZE);
2287 }
2288 return (err);
2289}
2290
2291/*
2292 * Begin, suspend, or cancel the initialization (initializing of all free
2293 * blocks) for the given vdevs in the given pool.
2294 */
65c7cc49 2295static int
e60e158e
JG		 2296zpool_initialize_impl(zpool_handle_t *zhp, pool_initialize_func_t cmd_type,
2297 nvlist_t *vds, boolean_t wait)
619f0976 2298{
1b939560 2299 int err;
619f0976 2300
619f0976
GW		 2301 nvlist_t *vdev_guids = fnvlist_alloc();
2302 nvlist_t *guids_to_paths = fnvlist_alloc();
1b939560
BB		 2303 nvlist_t *vd_errlist = NULL;
2304 nvlist_t *errlist;
619f0976
GW		 2305 nvpair_t *elem;
2306
1b939560
BB		 2307 err = zpool_translate_vdev_guids(zhp, vds, vdev_guids,
2308 guids_to_paths, &vd_errlist);
619f0976 2309
e60e158e
JG		 2310 if (err != 0) {
2311 verify(vd_errlist != NULL);
2312 goto list_errors;
2313 }
2314
2315 err = lzc_initialize(zhp->zpool_name, cmd_type,
2316 vdev_guids, &errlist);
619f0976 2317
e60e158e 2318 if (err != 0) {
1b939560
BB		 2319 if (errlist != NULL) {
2320 vd_errlist = fnvlist_lookup_nvlist(errlist,
2321 ZPOOL_INITIALIZE_VDEVS);
e60e158e 2322 goto list_errors;
1b939560 2323 }
e60e158e 2324 (void) zpool_standard_error(zhp->zpool_hdl, err,
1b939560 2325 dgettext(TEXT_DOMAIN, "operation failed"));
e60e158e 2326 goto out;
1b939560
BB		 2327 }
2328
e60e158e
JG		 2329 if (wait) {
2330 for (elem = nvlist_next_nvpair(vdev_guids, NULL); elem != NULL;
2331 elem = nvlist_next_nvpair(vdev_guids, elem)) {
2332
2333 uint64_t guid = fnvpair_value_uint64(elem);
2334
2335 err = lzc_wait_tag(zhp->zpool_name,
2336 ZPOOL_WAIT_INITIALIZE, guid, NULL);
2337 if (err != 0) {
2338 (void) zpool_standard_error_fmt(zhp->zpool_hdl,
2339 err, dgettext(TEXT_DOMAIN, "error "
2340 "waiting for '%s' to initialize"),
2341 nvpair_name(elem));
2342
2343 goto out;
2344 }
2345 }
2346 }
2347 goto out;
2348
2349list_errors:
1b939560
BB		 2350 for (elem = nvlist_next_nvpair(vd_errlist, NULL); elem != NULL;
2351 elem = nvlist_next_nvpair(vd_errlist, elem)) {
2352 int64_t vd_error = xlate_init_err(fnvpair_value_int64(elem));
2353 char *path;
2354
2355 if (nvlist_lookup_string(guids_to_paths, nvpair_name(elem),
2356 &path) != 0)
2357 path = nvpair_name(elem);
2358
2359 (void) zfs_error_fmt(zhp->zpool_hdl, vd_error,
2360 "cannot initialize '%s'", path);
619f0976
GW		 2361 }
2362
e60e158e 2363out:
619f0976 2364 fnvlist_free(vdev_guids);
1b939560 2365 fnvlist_free(guids_to_paths);
619f0976 2366
e60e158e 2367 if (vd_errlist != NULL)
1b939560 2368 fnvlist_free(vd_errlist);
619f0976 2369
e60e158e
JG		 2370 return (err == 0 ? 0 : -1);
2371}
2372
2373int
2374zpool_initialize(zpool_handle_t *zhp, pool_initialize_func_t cmd_type,
2375 nvlist_t *vds)
2376{
2377 return (zpool_initialize_impl(zhp, cmd_type, vds, B_FALSE));
2378}
2379
2380int
2381zpool_initialize_wait(zpool_handle_t *zhp, pool_initialize_func_t cmd_type,
2382 nvlist_t *vds)
2383{
2384 return (zpool_initialize_impl(zhp, cmd_type, vds, B_TRUE));
1b939560
BB		 2385}
2386
2387static int
2388xlate_trim_err(int err)
2389{
2390 switch (err) {
2391 case ENODEV:
2392 return (EZFS_NODEVICE);
2393 case EINVAL:
2394 case EROFS:
2395 return (EZFS_BADDEV);
2396 case EBUSY:
2397 return (EZFS_TRIMMING);
2398 case ESRCH:
2399 return (EZFS_NO_TRIM);
2400 case EOPNOTSUPP:
2401 return (EZFS_TRIM_NOTSUP);
2402 }
2403 return (err);
2404}
2405
2288d419
BB		 2406static int
2407zpool_trim_wait(zpool_handle_t *zhp, nvlist_t *vdev_guids)
2408{
2409 int err;
2410 nvpair_t *elem;
2411
2412 for (elem = nvlist_next_nvpair(vdev_guids, NULL); elem != NULL;
2413 elem = nvlist_next_nvpair(vdev_guids, elem)) {
2414
2415 uint64_t guid = fnvpair_value_uint64(elem);
2416
2417 err = lzc_wait_tag(zhp->zpool_name,
2418 ZPOOL_WAIT_TRIM, guid, NULL);
2419 if (err != 0) {
2420 (void) zpool_standard_error_fmt(zhp->zpool_hdl,
2421 err, dgettext(TEXT_DOMAIN, "error "
2422 "waiting to trim '%s'"), nvpair_name(elem));
2423
2424 return (err);
2425 }
2426 }
2427 return (0);
2428}
2429
1b939560 2430/*
50ff6327
JG		 2431 * Check errlist and report any errors, omitting ones which should be
2432 * suppressed. Returns B_TRUE if any errors were reported.
1b939560 2433 */
50ff6327
JG		 2434static boolean_t
2435check_trim_errs(zpool_handle_t *zhp, trimflags_t *trim_flags,
2436 nvlist_t *guids_to_paths, nvlist_t *vds, nvlist_t *errlist)
1b939560 2437{
1b939560 2438 nvpair_t *elem;
50ff6327
JG		 2439 boolean_t reported_errs = B_FALSE;
2440 int num_vds = 0;
2441 int num_suppressed_errs = 0;
1b939560 2442
50ff6327
JG		 2443 for (elem = nvlist_next_nvpair(vds, NULL);
2444 elem != NULL; elem = nvlist_next_nvpair(vds, elem)) {
2445 num_vds++;
619f0976
GW		 2446 }
2447
50ff6327
JG		 2448 for (elem = nvlist_next_nvpair(errlist, NULL);
2449 elem != NULL; elem = nvlist_next_nvpair(errlist, elem)) {
1b939560
BB		 2450 int64_t vd_error = xlate_trim_err(fnvpair_value_int64(elem));
2451 char *path;
619f0976 2452
1b939560
BB		 2453 /*
2454 * If only the pool was specified, and it was not a secure
2455 * trim then suppress warnings for individual vdevs which
2456 * do not support trimming.
2457 */
2458 if (vd_error == EZFS_TRIM_NOTSUP &&
2459 trim_flags->fullpool &&
2460 !trim_flags->secure) {
50ff6327 2461 num_suppressed_errs++;
1b939560
BB		 2462 continue;
2463 }
2464
50ff6327 2465 reported_errs = B_TRUE;
1b939560
BB		 2466 if (nvlist_lookup_string(guids_to_paths, nvpair_name(elem),
2467 &path) != 0)
2468 path = nvpair_name(elem);
2469
2470 (void) zfs_error_fmt(zhp->zpool_hdl, vd_error,
2471 "cannot trim '%s'", path);
619f0976
GW		 2472 }
2473
50ff6327
JG		 2474 if (num_suppressed_errs == num_vds) {
2475 (void) zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN,
2476 "no devices in pool support trim operations"));
2477 (void) (zfs_error(zhp->zpool_hdl, EZFS_TRIM_NOTSUP,
2478 dgettext(TEXT_DOMAIN, "cannot trim")));
2479 reported_errs = B_TRUE;
2480 }
1b939560 2481
50ff6327
JG		 2482 return (reported_errs);
2483}
2484
2485/*
2486 * Begin, suspend, or cancel the TRIM (discarding of all free blocks) for
2487 * the given vdevs in the given pool.
2488 */
2489int
2490zpool_trim(zpool_handle_t *zhp, pool_trim_func_t cmd_type, nvlist_t *vds,
2491 trimflags_t *trim_flags)
2492{
2493 int err;
2494 int retval = 0;
2495
2496 nvlist_t *vdev_guids = fnvlist_alloc();
2497 nvlist_t *guids_to_paths = fnvlist_alloc();
2498 nvlist_t *errlist = NULL;
2499
2500 err = zpool_translate_vdev_guids(zhp, vds, vdev_guids,
2501 guids_to_paths, &errlist);
2502 if (err != 0) {
2503 check_trim_errs(zhp, trim_flags, guids_to_paths, vds, errlist);
2504 retval = -1;
2505 goto out;
1b939560 2506 }
619f0976 2507
50ff6327
JG		 2508 err = lzc_trim(zhp->zpool_name, cmd_type, trim_flags->rate,
2509 trim_flags->secure, vdev_guids, &errlist);
2510 if (err != 0) {
2511 nvlist_t *vd_errlist;
2512 if (errlist != NULL && nvlist_lookup_nvlist(errlist,
2513 ZPOOL_TRIM_VDEVS, &vd_errlist) == 0) {
2514 if (check_trim_errs(zhp, trim_flags, guids_to_paths,
2515 vds, vd_errlist)) {
2516 retval = -1;
2517 goto out;
2518 }
2519 } else {
cdeb98a1 2520 char errbuf[ERRBUFLEN];
50ff6327 2521
cdeb98a1 2522 (void) snprintf(errbuf, sizeof (errbuf),
50ff6327 2523 dgettext(TEXT_DOMAIN, "operation failed"));
cdeb98a1 2524 zpool_standard_error(zhp->zpool_hdl, err, errbuf);
50ff6327
JG		 2525 retval = -1;
2526 goto out;
2527 }
2528 }
2529
2530
2531 if (trim_flags->wait)
2532 retval = zpool_trim_wait(zhp, vdev_guids);
2533
2534out:
2535 if (errlist != NULL)
2536 fnvlist_free(errlist);
2537 fnvlist_free(vdev_guids);
2538 fnvlist_free(guids_to_paths);
2539 return (retval);
619f0976
GW		 2540}
2541
34dc7c2f 2542/*
428870ff 2543 * Scan the pool.
34dc7c2f
BB		 2544 */
2545int
0ea05c64 2546zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func, pool_scrub_cmd_t cmd)
34dc7c2f 2547{
13fe0198 2548 zfs_cmd_t zc = {"\0"};
cdeb98a1 2549 char errbuf[ERRBUFLEN];
0ea05c64 2550 int err;
34dc7c2f
BB		 2551 libzfs_handle_t *hdl = zhp->zpool_hdl;
2552
2553 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
428870ff 2554 zc.zc_cookie = func;
0ea05c64 2555 zc.zc_flags = cmd;
34dc7c2f 2556
0ea05c64
AP		 2557 if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0)
2558 return (0);
2559
2560 err = errno;
2561
2562 /* ECANCELED on a scrub means we resumed a paused scrub */
2563 if (err == ECANCELED && func == POOL_SCAN_SCRUB &&
2564 cmd == POOL_SCRUB_NORMAL)
2565 return (0);
2566
2567 if (err == ENOENT && func != POOL_SCAN_NONE && cmd == POOL_SCRUB_NORMAL)
34dc7c2f
BB		 2568 return (0);
2569
428870ff 2570 if (func == POOL_SCAN_SCRUB) {
0ea05c64 2571 if (cmd == POOL_SCRUB_PAUSE) {
cdeb98a1
RM		 2572 (void) snprintf(errbuf, sizeof (errbuf),
2573 dgettext(TEXT_DOMAIN, "cannot pause scrubbing %s"),
2574 zc.zc_name);
0ea05c64
AP		 2575 } else {
2576 assert(cmd == POOL_SCRUB_NORMAL);
cdeb98a1
RM		 2577 (void) snprintf(errbuf, sizeof (errbuf),
2578 dgettext(TEXT_DOMAIN, "cannot scrub %s"),
2579 zc.zc_name);
0ea05c64 2580 }
fa241660
TC		 2581 } else if (func == POOL_SCAN_RESILVER) {
2582 assert(cmd == POOL_SCRUB_NORMAL);
cdeb98a1 2583 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
fa241660 2584 "cannot restart resilver on %s"), zc.zc_name);
428870ff 2585 } else if (func == POOL_SCAN_NONE) {
cdeb98a1
RM		 2586 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
2587 "cannot cancel scrubbing %s"), zc.zc_name);
428870ff
BB		 2588 } else {
2589 assert(!"unexpected result");
2590 }
34dc7c2f 2591
0ea05c64 2592 if (err == EBUSY) {
428870ff
BB		 2593 nvlist_t *nvroot;
2594 pool_scan_stat_t *ps = NULL;
2595 uint_t psc;
2596
8bb9ecf4
RM		 2597 nvroot = fnvlist_lookup_nvlist(zhp->zpool_config,
2598 ZPOOL_CONFIG_VDEV_TREE);
428870ff
BB		 2599 (void) nvlist_lookup_uint64_array(nvroot,
2600 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc);
9a49d3f3
BB		 2601 if (ps && ps->pss_func == POOL_SCAN_SCRUB &&
2602 ps->pss_state == DSS_SCANNING) {
0ea05c64 2603 if (cmd == POOL_SCRUB_PAUSE)
cdeb98a1
RM		 2604 return (zfs_error(hdl, EZFS_SCRUB_PAUSED,
2605 errbuf));
0ea05c64 2606 else
cdeb98a1 2607 return (zfs_error(hdl, EZFS_SCRUBBING, errbuf));
0ea05c64 2608 } else {
cdeb98a1 2609 return (zfs_error(hdl, EZFS_RESILVERING, errbuf));
0ea05c64
AP		 2610 }
2611 } else if (err == ENOENT) {
cdeb98a1 2612 return (zfs_error(hdl, EZFS_NO_SCRUB, errbuf));
fa241660 2613 } else if (err == ENOTSUP && func == POOL_SCAN_RESILVER) {
cdeb98a1 2614 return (zfs_error(hdl, EZFS_NO_RESILVER_DEFER, errbuf));
428870ff 2615 } else {
cdeb98a1 2616 return (zpool_standard_error(hdl, err, errbuf));
428870ff
BB		 2617 }
2618}
2619
34dc7c2f 2620/*
9babb374
BB		 2621 * Find a vdev that matches the search criteria specified. We use the
2622 * the nvpair name to determine how we should look for the device.
34dc7c2f
BB		 2623 * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL
2624 * spare; but FALSE if its an INUSE spare.
2625 */
2626static nvlist_t *
9babb374
BB		 2627vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare,
2628 boolean_t *l2cache, boolean_t *log)
34dc7c2f
BB		 2629{
2630 uint_t c, children;
2631 nvlist_t **child;
34dc7c2f 2632 nvlist_t *ret;
b128c09f 2633 uint64_t is_log;
9babb374
BB		 2634 char *srchkey;
2635 nvpair_t *pair = nvlist_next_nvpair(search, NULL);
2636
2637 /* Nothing to look for */
2638 if (search == NULL || pair == NULL)
2639 return (NULL);
2640
2641 /* Obtain the key we will use to search */
2642 srchkey = nvpair_name(pair);
2643
2644 switch (nvpair_type(pair)) {
572e2857 2645 case DATA_TYPE_UINT64:
9babb374 2646 if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) {
8bb9ecf4
RM		 2647 uint64_t srchval = fnvpair_value_uint64(pair);
2648 uint64_t theguid = fnvlist_lookup_uint64(nv,
2649 ZPOOL_CONFIG_GUID);
572e2857
BB		 2650 if (theguid == srchval)
2651 return (nv);
9babb374
BB		 2652 }
2653 break;
9babb374
BB		 2654
2655 case DATA_TYPE_STRING: {
2656 char *srchval, *val;
2657
8bb9ecf4 2658 srchval = fnvpair_value_string(pair);
9babb374
BB		 2659 if (nvlist_lookup_string(nv, srchkey, &val) != 0)
2660 break;
34dc7c2f 2661
9babb374 2662 /*
428870ff
BB		 2663 * Search for the requested value. Special cases:
2664 *
eac47204
BB		 2665 * - ZPOOL_CONFIG_PATH for whole disk entries. These end in
2666 * "-part1", or "p1". The suffix is hidden from the user,
2667 * but included in the string, so this matches around it.
2668 * - ZPOOL_CONFIG_PATH for short names zfs_strcmp_shortname()
2669 * is used to check all possible expanded paths.
428870ff
BB		 2670 * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE).
2671 *
2672 * Otherwise, all other searches are simple string compares.
9babb374 2673 */
a2c6816c 2674 if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0) {
9babb374
BB		 2675 uint64_t wholedisk = 0;
2676
2677 (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
2678 &wholedisk);
eac47204
BB		 2679 if (zfs_strcmp_pathname(srchval, val, wholedisk) == 0)
2680 return (nv);
428870ff 2681
428870ff
BB		 2682 } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) {
2683 char *type, *idx, *end, *p;
2684 uint64_t id, vdev_id;
2685
2686 /*
2687 * Determine our vdev type, keeping in mind
2688 * that the srchval is composed of a type and
2689 * vdev id pair (i.e. mirror-4).
2690 */
2691 if ((type = strdup(srchval)) == NULL)
2692 return (NULL);
2693
2694 if ((p = strrchr(type, '-')) == NULL) {
2695 free(type);
2696 break;
2697 }
2698 idx = p + 1;
2699 *p = '\0';
2700
2701 /*
2702 * If the types don't match then keep looking.
2703 */
2704 if (strncmp(val, type, strlen(val)) != 0) {
2705 free(type);
2706 break;
2707 }
2708
1574c73b 2709 verify(zpool_vdev_is_interior(type));
428870ff 2710
8bb9ecf4 2711 id = fnvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID);
428870ff
BB		 2712 errno = 0;
2713 vdev_id = strtoull(idx, &end, 10);
2714
b85f47ef
MA		 2715 /*
2716 * If we are looking for a raidz and a parity is
2717 * specified, make sure it matches.
2718 */
2719 int rzlen = strlen(VDEV_TYPE_RAIDZ);
2720 assert(rzlen == strlen(VDEV_TYPE_DRAID));
2721 int typlen = strlen(type);
2722 if ((strncmp(type, VDEV_TYPE_RAIDZ, rzlen) == 0 ||
2723 strncmp(type, VDEV_TYPE_DRAID, rzlen) == 0) &&
2724 typlen != rzlen) {
2725 uint64_t vdev_parity;
2726 int parity = *(type + rzlen) - '0';
2727
2728 if (parity <= 0 || parity > 3 ||
2729 (typlen - rzlen) != 1) {
2730 /*
2731 * Nonsense parity specified, can
2732 * never match
2733 */
2734 free(type);
2735 return (NULL);
2736 }
8bb9ecf4
RM		 2737 vdev_parity = fnvlist_lookup_uint64(nv,
2738 ZPOOL_CONFIG_NPARITY);
b85f47ef
MA		 2739 if ((int)vdev_parity != parity) {
2740 free(type);
2741 break;
2742 }
2743 }
2744
428870ff
BB		 2745 free(type);
2746 if (errno != 0)
2747 return (NULL);
2748
2749 /*
2750 * Now verify that we have the correct vdev id.
2751 */
2752 if (vdev_id == id)
2753 return (nv);
9babb374 2754 }
34dc7c2f 2755
34dc7c2f 2756 /*
9babb374 2757 * Common case
34dc7c2f 2758 */
9babb374 2759 if (strcmp(srchval, val) == 0)
34dc7c2f 2760 return (nv);
9babb374
BB		 2761 break;
2762 }
2763
2764 default:
2765 break;
34dc7c2f
BB		 2766 }
2767
2768 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
2769 &child, &children) != 0)
2770 return (NULL);
2771
b128c09f 2772 for (c = 0; c < children; c++) {
9babb374 2773 if ((ret = vdev_to_nvlist_iter(child[c], search,
b128c09f
BB		 2774 avail_spare, l2cache, NULL)) != NULL) {
2775 /*
2776 * The 'is_log' value is only set for the toplevel
2777 * vdev, not the leaf vdevs. So we always lookup the
2778 * log device from the root of the vdev tree (where
2779 * 'log' is non-NULL).
2780 */
2781 if (log != NULL &&
2782 nvlist_lookup_uint64(child[c],
2783 ZPOOL_CONFIG_IS_LOG, &is_log) == 0 &&
2784 is_log) {
2785 *log = B_TRUE;
2786 }
34dc7c2f 2787 return (ret);
b128c09f
BB		 2788 }
2789 }
34dc7c2f
BB		 2790
2791 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
2792 &child, &children) == 0) {
2793 for (c = 0; c < children; c++) {
9babb374 2794 if ((ret = vdev_to_nvlist_iter(child[c], search,
b128c09f 2795 avail_spare, l2cache, NULL)) != NULL) {
34dc7c2f
BB		 2796 *avail_spare = B_TRUE;
2797 return (ret);
2798 }
2799 }
2800 }
2801
2802 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
2803 &child, &children) == 0) {
2804 for (c = 0; c < children; c++) {
9babb374 2805 if ((ret = vdev_to_nvlist_iter(child[c], search,
b128c09f 2806 avail_spare, l2cache, NULL)) != NULL) {
34dc7c2f
BB		 2807 *l2cache = B_TRUE;
2808 return (ret);
2809 }
2810 }
2811 }
2812
2813 return (NULL);
2814}
2815
9babb374 2816/*
d441e85d 2817 * Given a physical path or guid, find the associated vdev.
9babb374
BB		 2818 */
2819nvlist_t *
2820zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath,
2821 boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log)
2822{
2823 nvlist_t *search, *nvroot, *ret;
d441e85d
BB		 2824 uint64_t guid;
2825 char *end;
9babb374 2826
8bb9ecf4 2827 search = fnvlist_alloc();
d441e85d
BB		 2828
2829 guid = strtoull(ppath, &end, 0);
2830 if (guid != 0 && *end == '\0') {
8bb9ecf4 2831 fnvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid);
d441e85d 2832 } else {
8bb9ecf4 2833 fnvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath);
d441e85d 2834 }
9babb374 2835
8bb9ecf4
RM		 2836 nvroot = fnvlist_lookup_nvlist(zhp->zpool_config,
2837 ZPOOL_CONFIG_VDEV_TREE);
9babb374
BB		 2838
2839 *avail_spare = B_FALSE;
572e2857
BB		 2840 *l2cache = B_FALSE;
2841 if (log != NULL)
2842 *log = B_FALSE;
9babb374 2843 ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log);
8bb9ecf4 2844 fnvlist_free(search);
9babb374
BB		 2845
2846 return (ret);
2847}
2848
428870ff
BB		 2849/*
2850 * Determine if we have an "interior" top-level vdev (i.e mirror/raidz).
2851 */
1574c73b 2852static boolean_t
428870ff
BB		 2853zpool_vdev_is_interior(const char *name)
2854{
2855 if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 ||
1574c73b
BB		 2856 strncmp(name, VDEV_TYPE_SPARE, strlen(VDEV_TYPE_SPARE)) == 0 ||
2857 strncmp(name,
2858 VDEV_TYPE_REPLACING, strlen(VDEV_TYPE_REPLACING)) == 0 ||
428870ff
BB		 2859 strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0)
2860 return (B_TRUE);
b2255edc
BB		 2861
2862 if (strncmp(name, VDEV_TYPE_DRAID, strlen(VDEV_TYPE_DRAID)) == 0 &&
2863 !zpool_is_draid_spare(name))
2864 return (B_TRUE);
2865
428870ff
BB		 2866 return (B_FALSE);
2867}
2868
34dc7c2f
BB		 2869nvlist_t *
2870zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare,
b128c09f 2871 boolean_t *l2cache, boolean_t *log)
34dc7c2f 2872{
34dc7c2f 2873 char *end;
9babb374 2874 nvlist_t *nvroot, *search, *ret;
34dc7c2f
BB		 2875 uint64_t guid;
2876
8bb9ecf4 2877 search = fnvlist_alloc();
9babb374 2878
1a5c611a 2879 guid = strtoull(path, &end, 0);
34dc7c2f 2880 if (guid != 0 && *end == '\0') {
8bb9ecf4 2881 fnvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid);
428870ff 2882 } else if (zpool_vdev_is_interior(path)) {
8bb9ecf4 2883 fnvlist_add_string(search, ZPOOL_CONFIG_TYPE, path);
34dc7c2f 2884 } else {
8bb9ecf4 2885 fnvlist_add_string(search, ZPOOL_CONFIG_PATH, path);
34dc7c2f
BB		 2886 }
2887
8bb9ecf4
RM		 2888 nvroot = fnvlist_lookup_nvlist(zhp->zpool_config,
2889 ZPOOL_CONFIG_VDEV_TREE);
34dc7c2f
BB		 2890
2891 *avail_spare = B_FALSE;
2892 *l2cache = B_FALSE;
b128c09f
BB		 2893 if (log != NULL)
2894 *log = B_FALSE;
9babb374 2895 ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log);
8bb9ecf4 2896 fnvlist_free(search);
9babb374
BB		 2897
2898 return (ret);
b128c09f
BB		 2899}
2900
2901static int
379ca9cf 2902vdev_is_online(nvlist_t *nv)
b128c09f
BB		 2903{
2904 uint64_t ival;
2905
2906 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 ||
2907 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 ||
2908 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0)
2909 return (0);
2910
2911 return (1);
2912}
2913
2914/*
9babb374 2915 * Helper function for zpool_get_physpaths().
b128c09f 2916 */
9babb374
BB		 2917static int
2918vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size,
2919 size_t *bytes_written)
2920{
2921 size_t bytes_left, pos, rsz;
2922 char *tmppath;
2923 const char *format;
2924
2925 if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH,
2926 &tmppath) != 0)
2927 return (EZFS_NODEVICE);
2928
2929 pos = *bytes_written;
2930 bytes_left = physpath_size - pos;
2931 format = (pos == 0) ? "%s" : " %s";
2932
2933 rsz = snprintf(physpath + pos, bytes_left, format, tmppath);
2934 *bytes_written += rsz;
2935
2936 if (rsz >= bytes_left) {
2937 /* if physpath was not copied properly, clear it */
2938 if (bytes_left != 0) {
2939 physpath[pos] = 0;
2940 }
2941 return (EZFS_NOSPC);
2942 }
2943 return (0);
2944}
2945
2946static int
2947vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size,
2948 size_t *rsz, boolean_t is_spare)
2949{
2950 char *type;
2951 int ret;
2952
2953 if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0)
2954 return (EZFS_INVALCONFIG);
2955
2956 if (strcmp(type, VDEV_TYPE_DISK) == 0) {
2957 /*
2958 * An active spare device has ZPOOL_CONFIG_IS_SPARE set.
2959 * For a spare vdev, we only want to boot from the active
2960 * spare device.
2961 */
2962 if (is_spare) {
2963 uint64_t spare = 0;
2964 (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE,
2965 &spare);
2966 if (!spare)
2967 return (EZFS_INVALCONFIG);
2968 }
2969
379ca9cf 2970 if (vdev_is_online(nv)) {
9babb374
BB		 2971 if ((ret = vdev_get_one_physpath(nv, physpath,
2972 phypath_size, rsz)) != 0)
2973 return (ret);
2974 }
2975 } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 ||
0a3d2673 2976 strcmp(type, VDEV_TYPE_RAIDZ) == 0 ||
9babb374
BB		 2977 strcmp(type, VDEV_TYPE_REPLACING) == 0 ||
2978 (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) {
2979 nvlist_t **child;
2980 uint_t count;
2981 int i, ret;
2982
2983 if (nvlist_lookup_nvlist_array(nv,
2984 ZPOOL_CONFIG_CHILDREN, &child, &count) != 0)
2985 return (EZFS_INVALCONFIG);
2986
2987 for (i = 0; i < count; i++) {
2988 ret = vdev_get_physpaths(child[i], physpath,
2989 phypath_size, rsz, is_spare);
2990 if (ret == EZFS_NOSPC)
2991 return (ret);
2992 }
2993 }
2994
2995 return (EZFS_POOL_INVALARG);
2996}
2997
2998/*
2999 * Get phys_path for a root pool config.
3000 * Return 0 on success; non-zero on failure.
3001 */
3002static int
3003zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size)
b128c09f 3004{
9babb374 3005 size_t rsz;
b128c09f
BB		 3006 nvlist_t *vdev_root;
3007 nvlist_t **child;
3008 uint_t count;
9babb374 3009 char *type;
b128c09f 3010
9babb374 3011 rsz = 0;
b128c09f 3012
9babb374
BB		 3013 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
3014 &vdev_root) != 0)
3015 return (EZFS_INVALCONFIG);
b128c09f 3016
9babb374
BB		 3017 if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 ||
3018 nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN,
b128c09f 3019 &child, &count) != 0)
9babb374 3020 return (EZFS_INVALCONFIG);
b128c09f 3021
9babb374 3022 /*
986dd8aa 3023 * root pool can only have a single top-level vdev.
9babb374 3024 */
986dd8aa 3025 if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1)
9babb374 3026 return (EZFS_POOL_INVALARG);
b128c09f 3027
9babb374
BB		 3028 (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz,
3029 B_FALSE);
3030
3031 /* No online devices */
3032 if (rsz == 0)
3033 return (EZFS_NODEVICE);
b128c09f
BB		 3034
3035 return (0);
34dc7c2f
BB		 3036}
3037
9babb374
BB		 3038/*
3039 * Get phys_path for a root pool
3040 * Return 0 on success; non-zero on failure.
3041 */
3042int
3043zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size)
3044{
3045 return (zpool_get_config_physpath(zhp->zpool_config, physpath,
3046 phypath_size));
3047}
3048
4a283c7f
TH		 3049/*
3050 * Convert a vdev path to a GUID. Returns GUID or 0 on error.
3051 *
3052 * If is_spare, is_l2cache, or is_log is non-NULL, then store within it
3053 * if the VDEV is a spare, l2cache, or log device. If they're NULL then
3054 * ignore them.
3055 */
3056static uint64_t
3057zpool_vdev_path_to_guid_impl(zpool_handle_t *zhp, const char *path,
3058 boolean_t *is_spare, boolean_t *is_l2cache, boolean_t *is_log)
3059{
4a283c7f
TH		 3060 boolean_t spare = B_FALSE, l2cache = B_FALSE, log = B_FALSE;
3061 nvlist_t *tgt;
3062
3063 if ((tgt = zpool_find_vdev(zhp, path, &spare, &l2cache,
3064 &log)) == NULL)
3065 return (0);
3066
4a283c7f
TH		 3067 if (is_spare != NULL)
3068 *is_spare = spare;
3069 if (is_l2cache != NULL)
3070 *is_l2cache = l2cache;
3071 if (is_log != NULL)
3072 *is_log = log;
3073
8bb9ecf4 3074 return (fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID));
4a283c7f
TH		 3075}
3076
3077/* Convert a vdev path to a GUID. Returns GUID or 0 on error. */
3078uint64_t
3079zpool_vdev_path_to_guid(zpool_handle_t *zhp, const char *path)
3080{
3081 return (zpool_vdev_path_to_guid_impl(zhp, path, NULL, NULL, NULL));
3082}
3083
34dc7c2f
BB		 3084/*
3085 * Bring the specified vdev online. The 'flags' parameter is a set of the
3086 * ZFS_ONLINE_* flags.
3087 */
3088int
3089zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
3090 vdev_state_t *newstate)
3091{
13fe0198 3092 zfs_cmd_t zc = {"\0"};
cdeb98a1 3093 char errbuf[ERRBUFLEN];
34dc7c2f 3094 nvlist_t *tgt;
9babb374 3095 boolean_t avail_spare, l2cache, islog;
34dc7c2f
BB		 3096 libzfs_handle_t *hdl = zhp->zpool_hdl;
3097
9babb374 3098 if (flags & ZFS_ONLINE_EXPAND) {
cdeb98a1 3099 (void) snprintf(errbuf, sizeof (errbuf),
9babb374
BB		 3100 dgettext(TEXT_DOMAIN, "cannot expand %s"), path);
3101 } else {
cdeb98a1 3102 (void) snprintf(errbuf, sizeof (errbuf),
9babb374
BB		 3103 dgettext(TEXT_DOMAIN, "cannot online %s"), path);
3104 }
34dc7c2f
BB		 3105
3106 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
b128c09f 3107 if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache,
9babb374 3108 &islog)) == NULL)
cdeb98a1 3109 return (zfs_error(hdl, EZFS_NODEVICE, errbuf));
34dc7c2f 3110
8bb9ecf4 3111 zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID);
34dc7c2f 3112
428870ff 3113 if (avail_spare)
cdeb98a1 3114 return (zfs_error(hdl, EZFS_ISSPARE, errbuf));
34dc7c2f 3115
76bcffb7
RM		 3116#ifndef __FreeBSD__
3117 char *pathname;
8198c57b
YP		 3118 if ((flags & ZFS_ONLINE_EXPAND ||
3119 zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) &&
3120 nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH, &pathname) == 0) {
9babb374
BB		 3121 uint64_t wholedisk = 0;
3122
3123 (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK,
3124 &wholedisk);
9babb374
BB		 3125
3126 /*
3127 * XXX - L2ARC 1.0 devices can't support expansion.
3128 */
3129 if (l2cache) {
3130 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3131 "cannot expand cache devices"));
cdeb98a1 3132 return (zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf));
9babb374
BB		 3133 }
3134
3135 if (wholedisk) {
7608bd0d
ED		 3136 const char *fullpath = path;
3137 char buf[MAXPATHLEN];
76bcffb7 3138 int error;
7608bd0d
ED		 3139
3140 if (path[0] != '/') {
3141 error = zfs_resolve_shortname(path, buf,
d1d7e268 3142 sizeof (buf));
7608bd0d
ED		 3143 if (error != 0)
3144 return (zfs_error(hdl, EZFS_NODEVICE,
cdeb98a1 3145 errbuf));
7608bd0d
ED		 3146
3147 fullpath = buf;
3148 }
3149
cdeb98a1 3150 error = zpool_relabel_disk(hdl, fullpath, errbuf);
8adf4864
ED		 3151 if (error != 0)
3152 return (error);
9babb374
BB		 3153 }
3154 }
76bcffb7 3155#endif
9babb374 3156
34dc7c2f
BB		 3157 zc.zc_cookie = VDEV_STATE_ONLINE;
3158 zc.zc_obj = flags;
3159
572e2857 3160 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) {
428870ff
BB		 3161 if (errno == EINVAL) {
3162 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split "
3163 "from this pool into a new one. Use '%s' "
3164 "instead"), "zpool detach");
cdeb98a1 3165 return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, errbuf));
428870ff 3166 }
cdeb98a1 3167 return (zpool_standard_error(hdl, errno, errbuf));
428870ff 3168 }
34dc7c2f
BB		 3169
3170 *newstate = zc.zc_cookie;
3171 return (0);
3172}
3173
3174/*
3175 * Take the specified vdev offline
3176 */
3177int
3178zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp)
3179{
13fe0198 3180 zfs_cmd_t zc = {"\0"};
cdeb98a1 3181 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 3182 nvlist_t *tgt;
3183 boolean_t avail_spare, l2cache;
3184 libzfs_handle_t *hdl = zhp->zpool_hdl;
3185
cdeb98a1 3186 (void) snprintf(errbuf, sizeof (errbuf),
34dc7c2f
BB		 3187 dgettext(TEXT_DOMAIN, "cannot offline %s"), path);
3188
3189 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
b128c09f
BB		 3190 if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache,
3191 NULL)) == NULL)
cdeb98a1 3192 return (zfs_error(hdl, EZFS_NODEVICE, errbuf));
34dc7c2f 3193
8bb9ecf4 3194 zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID);
34dc7c2f 3195
428870ff 3196 if (avail_spare)
cdeb98a1 3197 return (zfs_error(hdl, EZFS_ISSPARE, errbuf));
34dc7c2f 3198
34dc7c2f
BB		 3199 zc.zc_cookie = VDEV_STATE_OFFLINE;
3200 zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0;
3201
572e2857 3202 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0)
34dc7c2f
BB		 3203 return (0);
3204
3205 switch (errno) {
3206 case EBUSY:
3207
3208 /*
3209 * There are no other replicas of this device.
3210 */
cdeb98a1 3211 return (zfs_error(hdl, EZFS_NOREPLICAS, errbuf));
34dc7c2f 3212
9babb374
BB		 3213 case EEXIST:
3214 /*
3215 * The log device has unplayed logs
3216 */
cdeb98a1 3217 return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, errbuf));
9babb374 3218
34dc7c2f 3219 default:
cdeb98a1 3220 return (zpool_standard_error(hdl, errno, errbuf));
34dc7c2f
BB		 3221 }
3222}
3223
3224/*
3225 * Mark the given vdev faulted.
3226 */
3227int
428870ff 3228zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux)
34dc7c2f 3229{
13fe0198 3230 zfs_cmd_t zc = {"\0"};
cdeb98a1 3231 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 3232 libzfs_handle_t *hdl = zhp->zpool_hdl;
3233
cdeb98a1 3234 (void) snprintf(errbuf, sizeof (errbuf),
d1d7e268 3235 dgettext(TEXT_DOMAIN, "cannot fault %llu"), (u_longlong_t)guid);
34dc7c2f
BB		 3236
3237 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
3238 zc.zc_guid = guid;
3239 zc.zc_cookie = VDEV_STATE_FAULTED;
428870ff 3240 zc.zc_obj = aux;
34dc7c2f 3241
b834b58a 3242 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0)
34dc7c2f
BB		 3243 return (0);
3244
3245 switch (errno) {
3246 case EBUSY:
3247
3248 /*
3249 * There are no other replicas of this device.
3250 */
cdeb98a1 3251 return (zfs_error(hdl, EZFS_NOREPLICAS, errbuf));
34dc7c2f
BB		 3252
3253 default:
cdeb98a1 3254 return (zpool_standard_error(hdl, errno, errbuf));
34dc7c2f
BB		 3255 }
3256
3257}
3258
3259/*
3260 * Mark the given vdev degraded.
3261 */
3262int
428870ff 3263zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux)
34dc7c2f 3264{
13fe0198 3265 zfs_cmd_t zc = {"\0"};
cdeb98a1 3266 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 3267 libzfs_handle_t *hdl = zhp->zpool_hdl;
3268
cdeb98a1 3269 (void) snprintf(errbuf, sizeof (errbuf),
d1d7e268 3270 dgettext(TEXT_DOMAIN, "cannot degrade %llu"), (u_longlong_t)guid);
34dc7c2f
BB		 3271
3272 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
3273 zc.zc_guid = guid;
3274 zc.zc_cookie = VDEV_STATE_DEGRADED;
428870ff 3275 zc.zc_obj = aux;
34dc7c2f 3276
b834b58a 3277 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0)
34dc7c2f
BB		 3278 return (0);
3279
cdeb98a1 3280 return (zpool_standard_error(hdl, errno, errbuf));
34dc7c2f
BB		 3281}
3282
3283/*
3284 * Returns TRUE if the given nvlist is a vdev that was originally swapped in as
3285 * a hot spare.
3286 */
3287static boolean_t
3288is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which)
3289{
3290 nvlist_t **child;
3291 uint_t c, children;
34dc7c2f
BB		 3292
3293 if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child,
3294 &children) == 0) {
8bb9ecf4 3295 char *type = fnvlist_lookup_string(search, ZPOOL_CONFIG_TYPE);
b2255edc
BB		 3296 if ((strcmp(type, VDEV_TYPE_SPARE) == 0 ||
3297 strcmp(type, VDEV_TYPE_DRAID_SPARE) == 0) &&
34dc7c2f
BB		 3298 children == 2 && child[which] == tgt)
3299 return (B_TRUE);
3300
3301 for (c = 0; c < children; c++)
3302 if (is_replacing_spare(child[c], tgt, which))
3303 return (B_TRUE);
3304 }
3305
3306 return (B_FALSE);
3307}
3308
3309/*
3310 * Attach new_disk (fully described by nvroot) to old_disk.
3311 * If 'replacing' is specified, the new disk will replace the old one.
3312 */
3313int
9a49d3f3
BB		 3314zpool_vdev_attach(zpool_handle_t *zhp, const char *old_disk,
3315 const char *new_disk, nvlist_t *nvroot, int replacing, boolean_t rebuild)
34dc7c2f 3316{
13fe0198 3317 zfs_cmd_t zc = {"\0"};
cdeb98a1 3318 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 3319 int ret;
3320 nvlist_t *tgt;
b128c09f
BB		 3321 boolean_t avail_spare, l2cache, islog;
3322 uint64_t val;
572e2857 3323 char *newname;
34dc7c2f
BB		 3324 nvlist_t **child;
3325 uint_t children;
3326 nvlist_t *config_root;
3327 libzfs_handle_t *hdl = zhp->zpool_hdl;
3328
3329 if (replacing)
cdeb98a1 3330 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
34dc7c2f
BB		 3331 "cannot replace %s with %s"), old_disk, new_disk);
3332 else
cdeb98a1 3333 (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
34dc7c2f
BB		 3334 "cannot attach %s to %s"), new_disk, old_disk);
3335
3336 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
b128c09f 3337 if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache,
a1d477c2 3338 &islog)) == NULL)
cdeb98a1 3339 return (zfs_error(hdl, EZFS_NODEVICE, errbuf));
34dc7c2f
BB		 3340
3341 if (avail_spare)
cdeb98a1 3342 return (zfs_error(hdl, EZFS_ISSPARE, errbuf));
34dc7c2f
BB		 3343
3344 if (l2cache)
cdeb98a1 3345 return (zfs_error(hdl, EZFS_ISL2CACHE, errbuf));
34dc7c2f 3346
8bb9ecf4 3347 zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID);
34dc7c2f 3348 zc.zc_cookie = replacing;
9a49d3f3
BB		 3349 zc.zc_simple = rebuild;
3350
3351 if (rebuild &&
3352 zfeature_lookup_guid("org.openzfs:device_rebuild", NULL) != 0) {
3353 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3354 "the loaded zfs module doesn't support device rebuilds"));
cdeb98a1 3355 return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf));
9a49d3f3 3356 }
34dc7c2f
BB		 3357
3358 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
3359 &child, &children) != 0 || children != 1) {
3360 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3361 "new device must be a single disk"));
cdeb98a1 3362 return (zfs_error(hdl, EZFS_INVALCONFIG, errbuf));
34dc7c2f
BB		 3363 }
3364
8bb9ecf4
RM		 3365 config_root = fnvlist_lookup_nvlist(zpool_get_config(zhp, NULL),
3366 ZPOOL_CONFIG_VDEV_TREE);
34dc7c2f 3367
d2f3e292 3368 if ((newname = zpool_vdev_name(NULL, NULL, child[0], 0)) == NULL)
b128c09f
BB		 3369 return (-1);
3370
34dc7c2f
BB		 3371 /*
3372 * If the target is a hot spare that has been swapped in, we can only
3373 * replace it with another hot spare.
3374 */
3375 if (replacing &&
3376 nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 &&
b128c09f
BB		 3377 (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache,
3378 NULL) == NULL || !avail_spare) &&
3379 is_replacing_spare(config_root, tgt, 1)) {
34dc7c2f
BB		 3380 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3381 "can only be replaced by another hot spare"));
b128c09f 3382 free(newname);
cdeb98a1 3383 return (zfs_error(hdl, EZFS_BADTARGET, errbuf));
34dc7c2f
BB		 3384 }
3385
b128c09f
BB		 3386 free(newname);
3387
18dbf5c8 3388 zcmd_write_conf_nvlist(hdl, &zc, nvroot);
34dc7c2f 3389
572e2857 3390 ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc);
34dc7c2f
BB		 3391
3392 zcmd_free_nvlists(&zc);
3393
eaa25f1a 3394 if (ret == 0)
34dc7c2f
BB		 3395 return (0);
3396
3397 switch (errno) {
3398 case ENOTSUP:
3399 /*
3400 * Can't attach to or replace this type of vdev.
3401 */
3402 if (replacing) {
572e2857
BB		 3403 uint64_t version = zpool_get_prop_int(zhp,
3404 ZPOOL_PROP_VERSION, NULL);
3405
9a49d3f3 3406 if (islog) {
34dc7c2f
BB		 3407 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3408 "cannot replace a log with a spare"));
9a49d3f3
BB		 3409 } else if (rebuild) {
3410 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
b2255edc
BB		 3411 "only mirror and dRAID vdevs support "
3412 "sequential reconstruction"));
3413 } else if (zpool_is_draid_spare(new_disk)) {
3414 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3415 "dRAID spares can only replace child "
3416 "devices in their parent's dRAID vdev"));
9a49d3f3 3417 } else if (version >= SPA_VERSION_MULTI_REPLACE) {
572e2857
BB		 3418 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3419 "already in replacing/spare config; wait "
3420 "for completion or use 'zpool detach'"));
9a49d3f3 3421 } else {
34dc7c2f
BB		 3422 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3423 "cannot replace a replacing device"));
9a49d3f3 3424 }
34dc7c2f 3425 } else {
1139e170
RE		 3426 char status[64] = {0};
3427 zpool_prop_get_feature(zhp,
3428 "feature@device_rebuild", status, 63);
3429 if (rebuild &&
3430 strncmp(status, ZFS_FEATURE_DISABLED, 64) == 0) {
3431 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3432 "device_rebuild feature must be enabled "
3433 "in order to use sequential "
3434 "reconstruction"));
3435 } else {
3436 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3437 "can only attach to mirrors and top-level "
3438 "disks"));
3439 }
34dc7c2f 3440 }
cdeb98a1 3441 (void) zfs_error(hdl, EZFS_BADTARGET, errbuf);
34dc7c2f
BB		 3442 break;
3443
3444 case EINVAL:
3445 /*
3446 * The new device must be a single disk.
3447 */
3448 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3449 "new device must be a single disk"));
cdeb98a1 3450 (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf);
34dc7c2f
BB		 3451 break;
3452
3453 case EBUSY:
a1d477c2 3454 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy, "
9e052db4 3455 "or device removal is in progress"),
34dc7c2f 3456 new_disk);
cdeb98a1 3457 (void) zfs_error(hdl, EZFS_BADDEV, errbuf);
34dc7c2f
BB		 3458 break;
3459
3460 case EOVERFLOW:
3461 /*
3462 * The new device is too small.
3463 */
3464 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3465 "device is too small"));
cdeb98a1 3466 (void) zfs_error(hdl, EZFS_BADDEV, errbuf);
34dc7c2f
BB		 3467 break;
3468
3469 case EDOM:
3470 /*
d4aae2a0 3471 * The new device has a different optimal sector size.
34dc7c2f
BB		 3472 */
3473 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
d4aae2a0
BB		 3474 "new device has a different optimal sector size; use the "
3475 "option '-o ashift=N' to override the optimal size"));
cdeb98a1 3476 (void) zfs_error(hdl, EZFS_BADDEV, errbuf);
34dc7c2f
BB		 3477 break;
3478
3479 case ENAMETOOLONG:
3480 /*
3481 * The resulting top-level vdev spec won't fit in the label.
3482 */
cdeb98a1 3483 (void) zfs_error(hdl, EZFS_DEVOVERFLOW, errbuf);
34dc7c2f
BB		 3484 break;
3485
3486 default:
cdeb98a1 3487 (void) zpool_standard_error(hdl, errno, errbuf);
34dc7c2f
BB		 3488 }
3489
3490 return (-1);
3491}
3492
3493/*
3494 * Detach the specified device.
3495 */
3496int
3497zpool_vdev_detach(zpool_handle_t *zhp, const char *path)
3498{
13fe0198 3499 zfs_cmd_t zc = {"\0"};
cdeb98a1 3500 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 3501 nvlist_t *tgt;
3502 boolean_t avail_spare, l2cache;
3503 libzfs_handle_t *hdl = zhp->zpool_hdl;
3504
cdeb98a1 3505 (void) snprintf(errbuf, sizeof (errbuf),
34dc7c2f
BB		 3506 dgettext(TEXT_DOMAIN, "cannot detach %s"), path);
3507
3508 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
b128c09f 3509 if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache,
a1d477c2 3510 NULL)) == NULL)
cdeb98a1 3511 return (zfs_error(hdl, EZFS_NODEVICE, errbuf));
34dc7c2f
BB		 3512
3513 if (avail_spare)
cdeb98a1 3514 return (zfs_error(hdl, EZFS_ISSPARE, errbuf));
34dc7c2f
BB		 3515
3516 if (l2cache)
cdeb98a1 3517 return (zfs_error(hdl, EZFS_ISL2CACHE, errbuf));
34dc7c2f 3518
8bb9ecf4 3519 zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID);
34dc7c2f
BB		 3520
3521 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0)
3522 return (0);
3523
3524 switch (errno) {
3525
3526 case ENOTSUP:
3527 /*
3528 * Can't detach from this type of vdev.
3529 */
3530 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only "
3531 "applicable to mirror and replacing vdevs"));
cdeb98a1 3532 (void) zfs_error(hdl, EZFS_BADTARGET, errbuf);
34dc7c2f
BB		 3533 break;
3534
3535 case EBUSY:
3536 /*
3537 * There are no other replicas of this device.
3538 */
cdeb98a1 3539 (void) zfs_error(hdl, EZFS_NOREPLICAS, errbuf);
34dc7c2f
BB		 3540 break;
3541
3542 default:
cdeb98a1 3543 (void) zpool_standard_error(hdl, errno, errbuf);
34dc7c2f
BB		 3544 }
3545
3546 return (-1);
3547}
3548
428870ff
BB		 3549/*
3550 * Find a mirror vdev in the source nvlist.
3551 *
3552 * The mchild array contains a list of disks in one of the top-level mirrors
3553 * of the source pool. The schild array contains a list of disks that the
3554 * user specified on the command line. We loop over the mchild array to
3555 * see if any entry in the schild array matches.
3556 *
3557 * If a disk in the mchild array is found in the schild array, we return
3558 * the index of that entry. Otherwise we return -1.
3559 */
3560static int
3561find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren,
3562 nvlist_t **schild, uint_t schildren)
3563{
3564 uint_t mc;
3565
3566 for (mc = 0; mc < mchildren; mc++) {
3567 uint_t sc;
3568 char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp,
d2f3e292 3569 mchild[mc], 0);
428870ff
BB		 3570
3571 for (sc = 0; sc < schildren; sc++) {
3572 char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp,
d2f3e292 3573 schild[sc], 0);
428870ff
BB		 3574 boolean_t result = (strcmp(mpath, spath) == 0);
3575
3576 free(spath);
3577 if (result) {
3578 free(mpath);
3579 return (mc);
3580 }
3581 }
3582
3583 free(mpath);
3584 }
3585
3586 return (-1);
3587}
3588
3589/*
3590 * Split a mirror pool. If newroot points to null, then a new nvlist
3591 * is generated and it is the responsibility of the caller to free it.
3592 */
3593int
3594zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot,
3595 nvlist_t *props, splitflags_t flags)
3596{
13fe0198 3597 zfs_cmd_t zc = {"\0"};
cdeb98a1 3598 char errbuf[ERRBUFLEN], *bias;
428870ff
BB		 3599 nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL;
3600 nvlist_t **varray = NULL, *zc_props = NULL;
3601 uint_t c, children, newchildren, lastlog = 0, vcount, found = 0;
3602 libzfs_handle_t *hdl = zhp->zpool_hdl;
7fab6361 3603 uint64_t vers, readonly = B_FALSE;
428870ff
BB		 3604 boolean_t freelist = B_FALSE, memory_err = B_TRUE;
3605 int retval = 0;
3606
cdeb98a1 3607 (void) snprintf(errbuf, sizeof (errbuf),
428870ff
BB		 3608 dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name);
3609
3610 if (!zpool_name_valid(hdl, B_FALSE, newname))
cdeb98a1 3611 return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
428870ff
BB		 3612
3613 if ((config = zpool_get_config(zhp, NULL)) == NULL) {
3614 (void) fprintf(stderr, gettext("Internal error: unable to "
3615 "retrieve pool configuration\n"));
3616 return (-1);
3617 }
3618
8bb9ecf4
RM		 3619 tree = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE);
3620 vers = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION);
428870ff
BB		 3621
3622 if (props) {
572e2857 3623 prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE };
428870ff 3624 if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name,
cdeb98a1 3625 props, vers, flags, errbuf)) == NULL)
428870ff 3626 return (-1);
7fab6361 3627 (void) nvlist_lookup_uint64(zc_props,
3628 zpool_prop_to_name(ZPOOL_PROP_READONLY), &readonly);
3629 if (readonly) {
3630 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3631 "property %s can only be set at import time"),
3632 zpool_prop_to_name(ZPOOL_PROP_READONLY));
3633 return (-1);
3634 }
428870ff
BB		 3635 }
3636
3637 if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child,
3638 &children) != 0) {
3639 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3640 "Source pool is missing vdev tree"));
8a5fc748 3641 nvlist_free(zc_props);
428870ff
BB		 3642 return (-1);
3643 }
3644
3645 varray = zfs_alloc(hdl, children * sizeof (nvlist_t *));
3646 vcount = 0;
3647
3648 if (*newroot == NULL ||
3649 nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN,
3650 &newchild, &newchildren) != 0)
3651 newchildren = 0;
3652
3653 for (c = 0; c < children; c++) {
3654 uint64_t is_log = B_FALSE, is_hole = B_FALSE;
0cb40fa3 3655 boolean_t is_special = B_FALSE, is_dedup = B_FALSE;
428870ff
BB		 3656 char *type;
3657 nvlist_t **mchild, *vdev;
3658 uint_t mchildren;
3659 int entry;
3660
3661 /*
3662 * Unlike cache & spares, slogs are stored in the
3663 * ZPOOL_CONFIG_CHILDREN array. We filter them out here.
3664 */
3665 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
3666 &is_log);
3667 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE,
3668 &is_hole);
3669 if (is_log || is_hole) {
3670 /*
3671 * Create a hole vdev and put it in the config.
3672 */
3673 if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0)
3674 goto out;
3675 if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE,
3676 VDEV_TYPE_HOLE) != 0)
3677 goto out;
3678 if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE,
3679 1) != 0)
3680 goto out;
3681 if (lastlog == 0)
3682 lastlog = vcount;
3683 varray[vcount++] = vdev;
3684 continue;
3685 }
3686 lastlog = 0;
8bb9ecf4 3687 type = fnvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE);
1b664952
GA		 3688
3689 if (strcmp(type, VDEV_TYPE_INDIRECT) == 0) {
3690 vdev = child[c];
3691 if (nvlist_dup(vdev, &varray[vcount++], 0) != 0)
3692 goto out;
3693 continue;
3694 } else if (strcmp(type, VDEV_TYPE_MIRROR) != 0) {
428870ff
BB		 3695 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3696 "Source pool must be composed only of mirrors\n"));
cdeb98a1 3697 retval = zfs_error(hdl, EZFS_INVALCONFIG, errbuf);
428870ff
BB		 3698 goto out;
3699 }
3700
0cb40fa3
AF		 3701 if (nvlist_lookup_string(child[c],
3702 ZPOOL_CONFIG_ALLOCATION_BIAS, &bias) == 0) {
3703 if (strcmp(bias, VDEV_ALLOC_BIAS_SPECIAL) == 0)
3704 is_special = B_TRUE;
3705 else if (strcmp(bias, VDEV_ALLOC_BIAS_DEDUP) == 0)
3706 is_dedup = B_TRUE;
3707 }
428870ff
BB		 3708 verify(nvlist_lookup_nvlist_array(child[c],
3709 ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0);
3710
3711 /* find or add an entry for this top-level vdev */
3712 if (newchildren > 0 &&
3713 (entry = find_vdev_entry(zhp, mchild, mchildren,
3714 newchild, newchildren)) >= 0) {
3715 /* We found a disk that the user specified. */
3716 vdev = mchild[entry];
3717 ++found;
3718 } else {
3719 /* User didn't specify a disk for this vdev. */
3720 vdev = mchild[mchildren - 1];
3721 }
3722
3723 if (nvlist_dup(vdev, &varray[vcount++], 0) != 0)
3724 goto out;
0cb40fa3
AF		 3725
3726 if (flags.dryrun != 0) {
3727 if (is_dedup == B_TRUE) {
3728 if (nvlist_add_string(varray[vcount - 1],
3729 ZPOOL_CONFIG_ALLOCATION_BIAS,
3730 VDEV_ALLOC_BIAS_DEDUP) != 0)
3731 goto out;
3732 } else if (is_special == B_TRUE) {
3733 if (nvlist_add_string(varray[vcount - 1],
3734 ZPOOL_CONFIG_ALLOCATION_BIAS,
3735 VDEV_ALLOC_BIAS_SPECIAL) != 0)
3736 goto out;
3737 }
3738 }
428870ff
BB		 3739 }
3740
3741 /* did we find every disk the user specified? */
3742 if (found != newchildren) {
3743 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must "
3744 "include at most one disk from each mirror"));
cdeb98a1 3745 retval = zfs_error(hdl, EZFS_INVALCONFIG, errbuf);
428870ff
BB		 3746 goto out;
3747 }
3748
3749 /* Prepare the nvlist for populating. */
3750 if (*newroot == NULL) {
3751 if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0)
3752 goto out;
3753 freelist = B_TRUE;
3754 if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE,
3755 VDEV_TYPE_ROOT) != 0)
3756 goto out;
3757 } else {
3758 verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0);
3759 }
3760
3761 /* Add all the children we found */
795075e6
PD		 3762 if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN,
3763 (const nvlist_t **)varray, lastlog == 0 ? vcount : lastlog) != 0)
428870ff
BB		 3764 goto out;
3765
3766 /*
3767 * If we're just doing a dry run, exit now with success.
3768 */
3769 if (flags.dryrun) {
3770 memory_err = B_FALSE;
3771 freelist = B_FALSE;
3772 goto out;
3773 }
3774
3775 /* now build up the config list & call the ioctl */
3776 if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0)
3777 goto out;
3778
3779 if (nvlist_add_nvlist(newconfig,
3780 ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 ||
3781 nvlist_add_string(newconfig,
3782 ZPOOL_CONFIG_POOL_NAME, newname) != 0 ||
3783 nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0)
3784 goto out;
3785
3786 /*
3787 * The new pool is automatically part of the namespace unless we
3788 * explicitly export it.
3789 */
3790 if (!flags.import)
3791 zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT;
3792 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
3793 (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string));
18dbf5c8
AZ		 3794 zcmd_write_conf_nvlist(hdl, &zc, newconfig);
3795 if (zc_props != NULL)
3796 zcmd_write_src_nvlist(hdl, &zc, zc_props);
428870ff
BB		 3797
3798 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) {
cdeb98a1 3799 retval = zpool_standard_error(hdl, errno, errbuf);
428870ff
BB		 3800 goto out;
3801 }
3802
3803 freelist = B_FALSE;
3804 memory_err = B_FALSE;
3805
3806out:
3807 if (varray != NULL) {
3808 int v;
3809
3810 for (v = 0; v < vcount; v++)
3811 nvlist_free(varray[v]);
3812 free(varray);
3813 }
3814 zcmd_free_nvlists(&zc);
8a5fc748
JJS		 3815 nvlist_free(zc_props);
3816 nvlist_free(newconfig);
428870ff
BB		 3817 if (freelist) {
3818 nvlist_free(*newroot);
3819 *newroot = NULL;
3820 }
3821
3822 if (retval != 0)
3823 return (retval);
3824
3825 if (memory_err)
3826 return (no_memory(hdl));
3827
3828 return (0);
3829}
3830
34dc7c2f 3831/*
a1d477c2 3832 * Remove the given device.
34dc7c2f
BB		 3833 */
3834int
3835zpool_vdev_remove(zpool_handle_t *zhp, const char *path)
3836{
13fe0198 3837 zfs_cmd_t zc = {"\0"};
cdeb98a1 3838 char errbuf[ERRBUFLEN];
34dc7c2f 3839 nvlist_t *tgt;
428870ff 3840 boolean_t avail_spare, l2cache, islog;
34dc7c2f 3841 libzfs_handle_t *hdl = zhp->zpool_hdl;
428870ff 3842 uint64_t version;
34dc7c2f 3843
cdeb98a1 3844 (void) snprintf(errbuf, sizeof (errbuf),
34dc7c2f
BB		 3845 dgettext(TEXT_DOMAIN, "cannot remove %s"), path);
3846
b2255edc
BB		 3847 if (zpool_is_draid_spare(path)) {
3848 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3849 "dRAID spares cannot be removed"));
cdeb98a1 3850 return (zfs_error(hdl, EZFS_NODEVICE, errbuf));
b2255edc
BB		 3851 }
3852
34dc7c2f 3853 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
b128c09f 3854 if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache,
a1d477c2 3855 &islog)) == NULL)
cdeb98a1 3856 return (zfs_error(hdl, EZFS_NODEVICE, errbuf));
34dc7c2f 3857
428870ff
BB		 3858 version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
3859 if (islog && version < SPA_VERSION_HOLES) {
3860 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
a1d477c2 3861 "pool must be upgraded to support log removal"));
cdeb98a1 3862 return (zfs_error(hdl, EZFS_BADVERSION, errbuf));
428870ff
BB		 3863 }
3864
a1d477c2
MA		 3865 zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID);
3866
3867 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0)
3868 return (0);
3869
3870 switch (errno) {
3871
3872 case EINVAL:
3873 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3874 "invalid config; all top-level vdevs must "
3875 "have the same sector size and not be raidz."));
cdeb98a1 3876 (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf);
a1d477c2
MA		 3877 break;
3878
3879 case EBUSY:
2ffd89fc
PZ		 3880 if (islog) {
3881 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3882 "Mount encrypted datasets to replay logs."));
3883 } else {
3884 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3885 "Pool busy; removal may already be in progress"));
3886 }
cdeb98a1 3887 (void) zfs_error(hdl, EZFS_BUSY, errbuf);
a1d477c2
MA		 3888 break;
3889
2ffd89fc
PZ		 3890 case EACCES:
3891 if (islog) {
3892 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3893 "Mount encrypted datasets to replay logs."));
cdeb98a1 3894 (void) zfs_error(hdl, EZFS_BUSY, errbuf);
2ffd89fc 3895 } else {
cdeb98a1 3896 (void) zpool_standard_error(hdl, errno, errbuf);
2ffd89fc
PZ		 3897 }
3898 break;
3899
a1d477c2 3900 default:
cdeb98a1 3901 (void) zpool_standard_error(hdl, errno, errbuf);
a1d477c2
MA		 3902 }
3903 return (-1);
3904}
3905
3906int
3907zpool_vdev_remove_cancel(zpool_handle_t *zhp)
3908{
861166b0 3909 zfs_cmd_t zc = {{0}};
cdeb98a1 3910 char errbuf[ERRBUFLEN];
a1d477c2
MA		 3911 libzfs_handle_t *hdl = zhp->zpool_hdl;
3912
cdeb98a1 3913 (void) snprintf(errbuf, sizeof (errbuf),
a1d477c2
MA		 3914 dgettext(TEXT_DOMAIN, "cannot cancel removal"));
3915
a1d477c2
MA		 3916 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
3917 zc.zc_cookie = 1;
34dc7c2f
BB		 3918
3919 if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0)
3920 return (0);
3921
cdeb98a1 3922 return (zpool_standard_error(hdl, errno, errbuf));
34dc7c2f
BB		 3923}
3924
a1d477c2
MA		 3925int
3926zpool_vdev_indirect_size(zpool_handle_t *zhp, const char *path,
3927 uint64_t *sizep)
3928{
cdeb98a1 3929 char errbuf[ERRBUFLEN];
a1d477c2
MA		 3930 nvlist_t *tgt;
3931 boolean_t avail_spare, l2cache, islog;
3932 libzfs_handle_t *hdl = zhp->zpool_hdl;
3933
cdeb98a1 3934 (void) snprintf(errbuf, sizeof (errbuf),
a1d477c2
MA		 3935 dgettext(TEXT_DOMAIN, "cannot determine indirect size of %s"),
3936 path);
3937
3938 if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache,
3939 &islog)) == NULL)
cdeb98a1 3940 return (zfs_error(hdl, EZFS_NODEVICE, errbuf));
a1d477c2
MA		 3941
3942 if (avail_spare || l2cache || islog) {
3943 *sizep = 0;
3944 return (0);
3945 }
3946
3947 if (nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_INDIRECT_SIZE, sizep) != 0) {
3948 zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
3949 "indirect size not available"));
cdeb98a1 3950 return (zfs_error(hdl, EINVAL, errbuf));
a1d477c2
MA		 3951 }
3952 return (0);
3953}
3954
34dc7c2f
BB		 3955/*
3956 * Clear the errors for the pool, or the particular device if specified.
3957 */
3958int
428870ff 3959zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl)
34dc7c2f 3960{
13fe0198 3961 zfs_cmd_t zc = {"\0"};
cdeb98a1 3962 char errbuf[ERRBUFLEN];
34dc7c2f 3963 nvlist_t *tgt;
8a393be3 3964 zpool_load_policy_t policy;
34dc7c2f
BB		 3965 boolean_t avail_spare, l2cache;
3966 libzfs_handle_t *hdl = zhp->zpool_hdl;
428870ff 3967 nvlist_t *nvi = NULL;
572e2857 3968 int error;
34dc7c2f
BB		 3969
3970 if (path)
cdeb98a1 3971 (void) snprintf(errbuf, sizeof (errbuf),
34dc7c2f
BB		 3972 dgettext(TEXT_DOMAIN, "cannot clear errors for %s"),
3973 path);
3974 else
cdeb98a1 3975 (void) snprintf(errbuf, sizeof (errbuf),
34dc7c2f
BB		 3976 dgettext(TEXT_DOMAIN, "cannot clear errors for %s"),
3977 zhp->zpool_name);
3978
3979 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
3980 if (path) {
3981 if ((tgt = zpool_find_vdev(zhp, path, &avail_spare,
a1d477c2 3982 &l2cache, NULL)) == NULL)
cdeb98a1 3983 return (zfs_error(hdl, EZFS_NODEVICE, errbuf));
34dc7c2f
BB		 3984
3985 /*
3986 * Don't allow error clearing for hot spares. Do allow
3987 * error clearing for l2cache devices.
3988 */
3989 if (avail_spare)
cdeb98a1 3990 return (zfs_error(hdl, EZFS_ISSPARE, errbuf));
34dc7c2f 3991
8bb9ecf4 3992 zc.zc_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID);
34dc7c2f
BB		 3993 }
3994
8a393be3
PZ		 3995 zpool_get_load_policy(rewindnvl, &policy);
3996 zc.zc_cookie = policy.zlp_rewind;
428870ff 3997
18dbf5c8
AZ		 3998 zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2);
3999 zcmd_write_src_nvlist(hdl, &zc, rewindnvl);
428870ff 4000
572e2857 4001 while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 &&
18dbf5c8
AZ		 4002 errno == ENOMEM)
4003 zcmd_expand_dst_nvlist(hdl, &zc);
572e2857 4004
8a393be3 4005 if (!error || ((policy.zlp_rewind & ZPOOL_TRY_REWIND) &&
428870ff 4006 errno != EPERM && errno != EACCES)) {
8a393be3 4007 if (policy.zlp_rewind &
428870ff
BB		 4008 (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) {
4009 (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi);
4010 zpool_rewind_exclaim(hdl, zc.zc_name,
8a393be3 4011 ((policy.zlp_rewind & ZPOOL_TRY_REWIND) != 0),
428870ff
BB		 4012 nvi);
4013 nvlist_free(nvi);
4014 }
4015 zcmd_free_nvlists(&zc);
34dc7c2f 4016 return (0);
428870ff 4017 }
34dc7c2f 4018
428870ff 4019 zcmd_free_nvlists(&zc);
cdeb98a1 4020 return (zpool_standard_error(hdl, errno, errbuf));
34dc7c2f
BB		 4021}
4022
4023/*
4024 * Similar to zpool_clear(), but takes a GUID (used by fmd).
4025 */
4026int
4027zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid)
4028{
13fe0198 4029 zfs_cmd_t zc = {"\0"};
cdeb98a1 4030 char errbuf[ERRBUFLEN];
34dc7c2f
BB		 4031 libzfs_handle_t *hdl = zhp->zpool_hdl;
4032
cdeb98a1 4033 (void) snprintf(errbuf, sizeof (errbuf),
34dc7c2f 4034 dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"),
d1d7e268 4035 (u_longlong_t)guid);
34dc7c2f
BB		 4036
4037 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
4038 zc.zc_guid = guid;
428870ff 4039 zc.zc_cookie = ZPOOL_NO_REWIND;
34dc7c2f 4040
b834b58a 4041 if (zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc) == 0)
34dc7c2f
BB		 4042 return (0);
4043
cdeb98a1 4044 return (zpool_standard_error(hdl, errno, errbuf));
34dc7c2f
BB		 4045}
4046
3541dc6d
GA		 4047/*
4048 * Change the GUID for a pool.
4049 */
4050int
4051zpool_reguid(zpool_handle_t *zhp)
4052{
cdeb98a1 4053 char errbuf[ERRBUFLEN];
3541dc6d 4054 libzfs_handle_t *hdl = zhp->zpool_hdl;
13fe0198 4055 zfs_cmd_t zc = {"\0"};
3541dc6d 4056
cdeb98a1 4057 (void) snprintf(errbuf, sizeof (errbuf),
3541dc6d
GA		 4058 dgettext(TEXT_DOMAIN, "cannot reguid '%s'"), zhp->zpool_name);
4059
4060 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
4061 if (zfs_ioctl(hdl, ZFS_IOC_POOL_REGUID, &zc) == 0)
4062 return (0);
4063
cdeb98a1 4064 return (zpool_standard_error(hdl, errno, errbuf));
3541dc6d
GA		 4065}
4066
1bd201e7
CS		 4067/*
4068 * Reopen the pool.
4069 */
4070int
d3f2cd7e 4071zpool_reopen_one(zpool_handle_t *zhp, void *data)
1bd201e7 4072{
d3f2cd7e
AB		 4073 libzfs_handle_t *hdl = zpool_get_handle(zhp);
4074 const char *pool_name = zpool_get_name(zhp);
4075 boolean_t *scrub_restart = data;
4076 int error;
1bd201e7 4077
d3f2cd7e
AB		 4078 error = lzc_reopen(pool_name, *scrub_restart);
4079 if (error) {
4080 return (zpool_standard_error_fmt(hdl, error,
4081 dgettext(TEXT_DOMAIN, "cannot reopen '%s'"), pool_name));
4082 }
1bd201e7 4083
d3f2cd7e 4084 return (0);
1bd201e7
CS		 4085}
4086
bec1067d
AP		 4087/* call into libzfs_core to execute the sync IOCTL per pool */
4088int
4089zpool_sync_one(zpool_handle_t *zhp, void *data)
4090{
4091 int ret;
4092 libzfs_handle_t *hdl = zpool_get_handle(zhp);
4093 const char *pool_name = zpool_get_name(zhp);
4094 boolean_t *force = data;
4095 nvlist_t *innvl = fnvlist_alloc();
4096
4097 fnvlist_add_boolean_value(innvl, "force", *force);
4098 if ((ret = lzc_sync(pool_name, innvl, NULL)) != 0) {
4099 nvlist_free(innvl);
4100 return (zpool_standard_error_fmt(hdl, ret,
4101 dgettext(TEXT_DOMAIN, "sync '%s' failed"), pool_name));
4102 }
4103 nvlist_free(innvl);
4104
4105 return (0);
4106}
4107
858219cc
NB		 4108#define PATH_BUF_LEN 64
4109
34dc7c2f
BB		 4110/*
4111 * Given a vdev, return the name to display in iostat. If the vdev has a path,
4112 * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type.
4113 * We also check if this is a whole disk, in which case we strip off the
4114 * trailing 's0' slice name.
4115 *
4116 * This routine is also responsible for identifying when disks have been
4117 * reconfigured in a new location. The kernel will have opened the device by
4118 * devid, but the path will still refer to the old location. To catch this, we
4119 * first do a path -> devid translation (which is fast for the common case). If
4120 * the devid matches, we're done. If not, we do a reverse devid -> path
4121 * translation and issue the appropriate ioctl() to update the path of the vdev.
4122 * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any
4123 * of these checks.
4124 */
4125char *
428870ff 4126zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
d2f3e292 4127 int name_flags)
34dc7c2f 4128{
5ac80603
AZ		 4129 char *type, *tpath;
4130 const char *path;
34dc7c2f 4131 uint64_t value;
858219cc 4132 char buf[PATH_BUF_LEN];
ca3b105c 4133 char tmpbuf[PATH_BUF_LEN * 2];
34dc7c2f 4134
2df9ad1c
GG		 4135 /*
4136 * vdev_name will be "root"/"root-0" for the root vdev, but it is the
4137 * zpool name that will be displayed to the user.
4138 */
8bb9ecf4 4139 type = fnvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE);
2df9ad1c
GG		 4140 if (zhp != NULL && strcmp(type, "root") == 0)
4141 return (zfs_strdup(hdl, zpool_get_name(zhp)));
4142
ca3b105c 4143 if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_PATH"))
d2f3e292 4144 name_flags |= VDEV_NAME_PATH;
ca3b105c 4145 if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_GUID"))
d2f3e292 4146 name_flags |= VDEV_NAME_GUID;
ca3b105c 4147 if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_FOLLOW_LINKS"))
d2f3e292
RY		 4148 name_flags |= VDEV_NAME_FOLLOW_LINKS;
4149
4150 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &value) == 0 ||
4151 name_flags & VDEV_NAME_GUID) {
aecdc706 4152 (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value);
d2f3e292 4153 (void) snprintf(buf, sizeof (buf), "%llu", (u_longlong_t)value);
34dc7c2f 4154 path = buf;
5ac80603
AZ		 4155 } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &tpath) == 0) {
4156 path = tpath;
4157
d2f3e292
RY		 4158 if (name_flags & VDEV_NAME_FOLLOW_LINKS) {
4159 char *rp = realpath(path, NULL);
4160 if (rp) {
4161 strlcpy(buf, rp, sizeof (buf));
4162 path = buf;
4163 free(rp);
4164 }
4165 }
4166
d603ed6c
BB		 4167 /*
4168 * For a block device only use the name.
4169 */
d2f3e292
RY		 4170 if ((strcmp(type, VDEV_TYPE_DISK) == 0) &&
4171 !(name_flags & VDEV_NAME_PATH)) {
035ebb36 4172 path = zfs_strip_path(path);
d603ed6c 4173 }
34dc7c2f 4174
d603ed6c 4175 /*
b2255edc 4176 * Remove the partition from the path if this is a whole disk.
d603ed6c 4177 */
b2255edc
BB		 4178 if (strcmp(type, VDEV_TYPE_DRAID_SPARE) != 0 &&
4179 nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, &value)
d2f3e292 4180 == 0 && value && !(name_flags & VDEV_NAME_PATH)) {
6078881a 4181 return (zfs_strip_partition(path));
34dc7c2f
BB		 4182 }
4183 } else {
2df9ad1c 4184 path = type;
34dc7c2f
BB		 4185
4186 /*
4187 * If it's a raidz device, we need to stick in the parity level.
4188 */
4189 if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) {
8bb9ecf4 4190 value = fnvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY);
fc24f7c8 4191 (void) snprintf(buf, sizeof (buf), "%s%llu", path,
34dc7c2f 4192 (u_longlong_t)value);
fc24f7c8 4193 path = buf;
34dc7c2f 4194 }
428870ff 4195
b2255edc
BB		 4196 /*
4197 * If it's a dRAID device, we add parity, groups, and spares.
4198 */
4199 if (strcmp(path, VDEV_TYPE_DRAID) == 0) {
4200 uint64_t ndata, nparity, nspares;
4201 nvlist_t **child;
4202 uint_t children;
4203
4204 verify(nvlist_lookup_nvlist_array(nv,
4205 ZPOOL_CONFIG_CHILDREN, &child, &children) == 0);
8bb9ecf4
RM		 4206 nparity = fnvlist_lookup_uint64(nv,
4207 ZPOOL_CONFIG_NPARITY);
4208 ndata = fnvlist_lookup_uint64(nv,
4209 ZPOOL_CONFIG_DRAID_NDATA);
4210 nspares = fnvlist_lookup_uint64(nv,
4211 ZPOOL_CONFIG_DRAID_NSPARES);
b2255edc
BB		 4212
4213 path = zpool_draid_name(buf, sizeof (buf), ndata,
4214 nparity, nspares, children);
4215 }
4216
428870ff
BB		 4217 /*
4218 * We identify each top-level vdev by using a <type-id>
4219 * naming convention.
4220 */
d2f3e292 4221 if (name_flags & VDEV_NAME_TYPE_ID) {
8bb9ecf4
RM		 4222 uint64_t id = fnvlist_lookup_uint64(nv,
4223 ZPOOL_CONFIG_ID);
fc24f7c8
MM		 4224 (void) snprintf(tmpbuf, sizeof (tmpbuf), "%s-%llu",
4225 path, (u_longlong_t)id);
4226 path = tmpbuf;
428870ff 4227 }
34dc7c2f
BB		 4228 }
4229
4230 return (zfs_strdup(hdl, path));
4231}
4232
4233static int
fcff0f35 4234zbookmark_mem_compare(const void *a, const void *b)
34dc7c2f 4235{
5dbd68a3 4236 return (memcmp(a, b, sizeof (zbookmark_phys_t)));
34dc7c2f
BB		 4237}
4238
4239/*
4240 * Retrieve the persistent error log, uniquify the members, and return to the
4241 * caller.
4242 */
4243int
4244zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
4245{
13fe0198 4246 zfs_cmd_t zc = {"\0"};
56a6054d 4247 libzfs_handle_t *hdl = zhp->zpool_hdl;
34dc7c2f 4248 uint64_t count;
5dbd68a3 4249 zbookmark_phys_t *zb = NULL;
34dc7c2f
BB		 4250 int i;
4251
4252 /*
4253 * Retrieve the raw error list from the kernel. If the number of errors
4254 * has increased, allocate more space and continue until we get the
4255 * entire list.
4256 */
8bb9ecf4 4257 count = fnvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT);
34dc7c2f
BB		 4258 if (count == 0)
4259 return (0);
56a6054d
BB		 4260 zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl,
4261 count * sizeof (zbookmark_phys_t));
34dc7c2f
BB		 4262 zc.zc_nvlist_dst_size = count;
4263 (void) strcpy(zc.zc_name, zhp->zpool_name);
4264 for (;;) {
b834b58a 4265 if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_ERROR_LOG,
34dc7c2f
BB		 4266 &zc) != 0) {
4267 free((void *)(uintptr_t)zc.zc_nvlist_dst);
4268 if (errno == ENOMEM) {
5dbd68a3
MA		 4269 void *dst;
4270
34dc7c2f 4271 count = zc.zc_nvlist_dst_size;
5dbd68a3
MA		 4272 dst = zfs_alloc(zhp->zpool_hdl, count *
4273 sizeof (zbookmark_phys_t));
5dbd68a3 4274 zc.zc_nvlist_dst = (uintptr_t)dst;
34dc7c2f 4275 } else {
56a6054d
BB		 4276 return (zpool_standard_error_fmt(hdl, errno,
4277 dgettext(TEXT_DOMAIN, "errors: List of "
4278 "errors unavailable")));
34dc7c2f
BB		 4279 }
4280 } else {
4281 break;
4282 }
4283 }
4284
4285 /*
4286 * Sort the resulting bookmarks. This is a little confusing due to the
4287 * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last
78595377 4288 * to first, and 'zc_nvlist_dst_size' indicates the number of bookmarks
34dc7c2f
BB		 4289 * _not_ copied as part of the process. So we point the start of our
4290 * array appropriate and decrement the total number of elements.
4291 */
5dbd68a3 4292 zb = ((zbookmark_phys_t *)(uintptr_t)zc.zc_nvlist_dst) +
34dc7c2f
BB		 4293 zc.zc_nvlist_dst_size;
4294 count -= zc.zc_nvlist_dst_size;
4295
fcff0f35 4296 qsort(zb, count, sizeof (zbookmark_phys_t), zbookmark_mem_compare);
34dc7c2f
BB		 4297
4298 verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0);
4299
4300 /*
4301 * Fill in the nverrlistp with nvlist's of dataset and object numbers.
4302 */
4303 for (i = 0; i < count; i++) {
4304 nvlist_t *nv;
4305
4306 /* ignoring zb_blkid and zb_level for now */
4307 if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset &&
4308 zb[i-1].zb_object == zb[i].zb_object)
4309 continue;
4310
4311 if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0)
4312 goto nomem;
4313 if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET,
4314 zb[i].zb_objset) != 0) {
4315 nvlist_free(nv);
4316 goto nomem;
4317 }
4318 if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT,
4319 zb[i].zb_object) != 0) {
4320 nvlist_free(nv);
4321 goto nomem;
4322 }
4323 if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) {
4324 nvlist_free(nv);
4325 goto nomem;
4326 }
4327 nvlist_free(nv);
4328 }
4329
4330 free((void *)(uintptr_t)zc.zc_nvlist_dst);
4331 return (0);
4332
4333nomem:
4334 free((void *)(uintptr_t)zc.zc_nvlist_dst);
4335 return (no_memory(zhp->zpool_hdl));
4336}
4337
4338/*
4339 * Upgrade a ZFS pool to the latest on-disk version.
4340 */
4341int
4342zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version)
4343{
13fe0198 4344 zfs_cmd_t zc = {"\0"};
34dc7c2f
BB		 4345 libzfs_handle_t *hdl = zhp->zpool_hdl;
4346
4347 (void) strcpy(zc.zc_name, zhp->zpool_name);
4348 zc.zc_cookie = new_version;
4349
4350 if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0)
4351 return (zpool_standard_error_fmt(hdl, errno,
4352 dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"),
4353 zhp->zpool_name));
4354 return (0);
4355}
4356
4357void
6f1ffb06 4358zfs_save_arguments(int argc, char **argv, char *string, int len)
34dc7c2f
BB		 4359{
4360 int i;
4361
feb04e66 4362 (void) strlcpy(string, zfs_basename(argv[0]), len);
34dc7c2f 4363 for (i = 1; i < argc; i++) {
6f1ffb06
MA		 4364 (void) strlcat(string, " ", len);
4365 (void) strlcat(string, argv[i], len);
34dc7c2f
BB		 4366 }
4367}
4368
34dc7c2f 4369int
6f1ffb06
MA		 4370zpool_log_history(libzfs_handle_t *hdl, const char *message)
4371{
13fe0198 4372 zfs_cmd_t zc = {"\0"};
6f1ffb06 4373 nvlist_t *args;
6f1ffb06
MA		 4374
4375 args = fnvlist_alloc();
4376 fnvlist_add_string(args, "message", message);
18dbf5c8
AZ		 4377 zcmd_write_src_nvlist(hdl, &zc, args);
4378 int err = zfs_ioctl(hdl, ZFS_IOC_LOG_HISTORY, &zc);
6f1ffb06
MA		 4379 nvlist_free(args);
4380 zcmd_free_nvlists(&zc);
4381 return (err);
34dc7c2f
BB		 4382}
4383
4384/*
4385 * Perform ioctl to get some command history of a pool.
4386 *
4387 * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the
4388 * logical offset of the history buffer to start reading from.
4389 *
4390 * Upon return, 'off' is the next logical offset to read from and
4391 * 'len' is the actual amount of bytes read into 'buf'.
4392 */
4393static int
4394get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len)
4395{
13fe0198 4396 zfs_cmd_t zc = {"\0"};
34dc7c2f
BB		 4397 libzfs_handle_t *hdl = zhp->zpool_hdl;
4398
4399 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
4400
4401 zc.zc_history = (uint64_t)(uintptr_t)buf;
4402 zc.zc_history_len = *len;
4403 zc.zc_history_offset = *off;
4404
b834b58a 4405 if (zfs_ioctl(hdl, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) {
34dc7c2f
BB		 4406 switch (errno) {
4407 case EPERM:
4408 return (zfs_error_fmt(hdl, EZFS_PERM,
4409 dgettext(TEXT_DOMAIN,
4410 "cannot show history for pool '%s'"),
4411 zhp->zpool_name));
4412 case ENOENT:
4413 return (zfs_error_fmt(hdl, EZFS_NOHISTORY,
4414 dgettext(TEXT_DOMAIN, "cannot get history for pool "
4415 "'%s'"), zhp->zpool_name));
4416 case ENOTSUP:
4417 return (zfs_error_fmt(hdl, EZFS_BADVERSION,
4418 dgettext(TEXT_DOMAIN, "cannot get history for pool "
4419 "'%s', pool must be upgraded"), zhp->zpool_name));
4420 default:
4421 return (zpool_standard_error_fmt(hdl, errno,
4422 dgettext(TEXT_DOMAIN,
4423 "cannot get history for '%s'"), zhp->zpool_name));
4424 }
4425 }
4426
4427 *len = zc.zc_history_len;
4428 *off = zc.zc_history_offset;
4429
4430 return (0);
4431}
4432
34dc7c2f
BB		 4433/*
4434 * Retrieve the command history of a pool.
4435 */
4436int
7125a109
CC		 4437zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp, uint64_t *off,
4438 boolean_t *eof)
34dc7c2f 4439{
4dced31b 4440 libzfs_handle_t *hdl = zhp->zpool_hdl;
1f6f97f3
MA		 4441 char *buf;
4442 int buflen = 128 * 1024;
34dc7c2f
BB		 4443 nvlist_t **records = NULL;
4444 uint_t numrecords = 0;
4dced31b 4445 int err = 0, i;
7125a109 4446 uint64_t start = *off;
34dc7c2f 4447
4dced31b
W		 4448 buf = zfs_alloc(hdl, buflen);
4449
4450 /* process about 1MiB a time */
7125a109 4451 while (*off - start < 1024 * 1024) {
1f6f97f3 4452 uint64_t bytes_read = buflen;
34dc7c2f
BB		 4453 uint64_t leftover;
4454
7125a109 4455 if ((err = get_history(zhp, buf, off, &bytes_read)) != 0)
34dc7c2f
BB		 4456 break;
4457
4458 /* if nothing else was read in, we're at EOF, just return */
7125a109
CC		 4459 if (!bytes_read) {
4460 *eof = B_TRUE;
34dc7c2f 4461 break;
7125a109 4462 }
34dc7c2f
BB		 4463
4464 if ((err = zpool_history_unpack(buf, bytes_read,
4dced31b
W		 4465 &leftover, &records, &numrecords)) != 0) {
4466 zpool_standard_error_fmt(hdl, err,
4467 dgettext(TEXT_DOMAIN,
4468 "cannot get history for '%s'"), zhp->zpool_name);
34dc7c2f 4469 break;
4dced31b 4470 }
7125a109 4471 *off -= leftover;
1f6f97f3
MA		 4472 if (leftover == bytes_read) {
4473 /*
4474 * no progress made, because buffer is not big enough
4475 * to hold this record; resize and retry.
4476 */
4477 buflen *= 2;
4478 free(buf);
4dced31b 4479 buf = zfs_alloc(hdl, buflen);
1f6f97f3 4480 }
7125a109 4481 }
34dc7c2f 4482
1f6f97f3
MA		 4483 free(buf);
4484
34dc7c2f 4485 if (!err) {
8bb9ecf4
RM		 4486 *nvhisp = fnvlist_alloc();
4487 fnvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD,
4488 (const nvlist_t **)records, numrecords);
34dc7c2f
BB		 4489 }
4490 for (i = 0; i < numrecords; i++)
4491 nvlist_free(records[i]);
4492 free(records);
4493
4494 return (err);
4495}
4496
26685276 4497/*
9b101a73
BB		 4498 * Retrieve the next event given the passed 'zevent_fd' file descriptor.
4499 * If there is a new event available 'nvp' will contain a newly allocated
4500 * nvlist and 'dropped' will be set to the number of missed events since
4501 * the last call to this function. When 'nvp' is set to NULL it indicates
4502 * no new events are available. In either case the function returns 0 and
4503 * it is up to the caller to free 'nvp'. In the case of a fatal error the
4504 * function will return a non-zero value. When the function is called in
8c7aa0cf
CD		 4505 * blocking mode (the default, unless the ZEVENT_NONBLOCK flag is passed),
4506 * it will not return until a new event is available.
26685276
BB		 4507 */
4508int
4509zpool_events_next(libzfs_handle_t *hdl, nvlist_t **nvp,
8c7aa0cf 4510 int *dropped, unsigned flags, int zevent_fd)
26685276 4511{
13fe0198 4512 zfs_cmd_t zc = {"\0"};
26685276
BB		 4513 int error = 0;
4514
4515 *nvp = NULL;
4516 *dropped = 0;
9b101a73 4517 zc.zc_cleanup_fd = zevent_fd;
26685276 4518
8c7aa0cf 4519 if (flags & ZEVENT_NONBLOCK)
26685276
BB		 4520 zc.zc_guid = ZEVENT_NONBLOCK;
4521
18dbf5c8 4522 zcmd_alloc_dst_nvlist(hdl, &zc, ZEVENT_SIZE);
26685276
BB		 4523
4524retry:
4525 if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_NEXT, &zc) != 0) {
4526 switch (errno) {
4527 case ESHUTDOWN:
4528 error = zfs_error_fmt(hdl, EZFS_POOLUNAVAIL,
4529 dgettext(TEXT_DOMAIN, "zfs shutdown"));
4530 goto out;
4531 case ENOENT:
4532 /* Blocking error case should not occur */
8c7aa0cf 4533 if (!(flags & ZEVENT_NONBLOCK))
26685276
BB		 4534 error = zpool_standard_error_fmt(hdl, errno,
4535 dgettext(TEXT_DOMAIN, "cannot get event"));
4536
4537 goto out;
4538 case ENOMEM:
18dbf5c8
AZ		 4539 zcmd_expand_dst_nvlist(hdl, &zc);
4540 goto retry;
26685276
BB		 4541 default:
4542 error = zpool_standard_error_fmt(hdl, errno,
4543 dgettext(TEXT_DOMAIN, "cannot get event"));
4544 goto out;
4545 }
4546 }
4547
4548 error = zcmd_read_dst_nvlist(hdl, &zc, nvp);
4549 if (error != 0)
4550 goto out;
4551
4552 *dropped = (int)zc.zc_cookie;
4553out:
4554 zcmd_free_nvlists(&zc);
4555
4556 return (error);
4557}
4558
4559/*
4560 * Clear all events.
4561 */
4562int
4563zpool_events_clear(libzfs_handle_t *hdl, int *count)
4564{
13fe0198 4565 zfs_cmd_t zc = {"\0"};
26685276
BB		 4566
4567 if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_CLEAR, &zc) != 0)
f00f4690
AZ		 4568 return (zpool_standard_error(hdl, errno,
4569 dgettext(TEXT_DOMAIN, "cannot clear events")));
26685276
BB		 4570
4571 if (count != NULL)
4572 *count = (int)zc.zc_cookie; /* # of events cleared */
4573
4574 return (0);
4575}
4576
75e3ff58
BB		 4577/*
4578 * Seek to a specific EID, ZEVENT_SEEK_START, or ZEVENT_SEEK_END for
4579 * the passed zevent_fd file handle. On success zero is returned,
4580 * otherwise -1 is returned and hdl->libzfs_error is set to the errno.
4581 */
4582int
4583zpool_events_seek(libzfs_handle_t *hdl, uint64_t eid, int zevent_fd)
4584{
4585 zfs_cmd_t zc = {"\0"};
4586 int error = 0;
4587
4588 zc.zc_guid = eid;
4589 zc.zc_cleanup_fd = zevent_fd;
4590
4591 if (zfs_ioctl(hdl, ZFS_IOC_EVENTS_SEEK, &zc) != 0) {
4592 switch (errno) {
4593 case ENOENT:
4594 error = zfs_error_fmt(hdl, EZFS_NOENT,
4595 dgettext(TEXT_DOMAIN, "cannot get event"));
4596 break;
4597
4598 case ENOMEM:
4599 error = zfs_error_fmt(hdl, EZFS_NOMEM,
4600 dgettext(TEXT_DOMAIN, "cannot get event"));
4601 break;
4602
4603 default:
4604 error = zpool_standard_error_fmt(hdl, errno,
4605 dgettext(TEXT_DOMAIN, "cannot get event"));
4606 break;
4607 }
4608 }
4609
4610 return (error);
4611}
4612
de4f06c2
PD		 4613static void
4614zpool_obj_to_path_impl(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj,
4615 char *pathname, size_t len, boolean_t always_unmounted)
34dc7c2f 4616{
13fe0198 4617 zfs_cmd_t zc = {"\0"};
34dc7c2f
BB		 4618 boolean_t mounted = B_FALSE;
4619 char *mntpnt = NULL;
eca7b760 4620 char dsname[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f
BB		 4621
4622 if (dsobj == 0) {
4623 /* special case for the MOS */
d1d7e268
MK		 4624 (void) snprintf(pathname, len, "<metadata>:<0x%llx>",
4625 (longlong_t)obj);
34dc7c2f
BB		 4626 return;
4627 }
4628
4629 /* get the dataset's name */
4630 (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
4631 zc.zc_obj = dsobj;
b834b58a 4632 if (zfs_ioctl(zhp->zpool_hdl,
34dc7c2f
BB		 4633 ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) {
4634 /* just write out a path of two object numbers */
4635 (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>",
b8864a23 4636 (longlong_t)dsobj, (longlong_t)obj);
34dc7c2f
BB		 4637 return;
4638 }
4639 (void) strlcpy(dsname, zc.zc_value, sizeof (dsname));
4640
4641 /* find out if the dataset is mounted */
de4f06c2
PD		 4642 mounted = !always_unmounted && is_mounted(zhp->zpool_hdl, dsname,
4643 &mntpnt);
34dc7c2f
BB		 4644
4645 /* get the corrupted object's path */
4646 (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name));
4647 zc.zc_obj = obj;
b834b58a 4648 if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_OBJ_TO_PATH,
34dc7c2f
BB		 4649 &zc) == 0) {
4650 if (mounted) {
4651 (void) snprintf(pathname, len, "%s%s", mntpnt,
4652 zc.zc_value);
4653 } else {
4654 (void) snprintf(pathname, len, "%s:%s",
4655 dsname, zc.zc_value);
4656 }
4657 } else {
d1d7e268
MK		 4658 (void) snprintf(pathname, len, "%s:<0x%llx>", dsname,
4659 (longlong_t)obj);
34dc7c2f
BB		 4660 }
4661 free(mntpnt);
4662}
4663
de4f06c2
PD		 4664void
4665zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj,
4666 char *pathname, size_t len)
4667{
4668 zpool_obj_to_path_impl(zhp, dsobj, obj, pathname, len, B_FALSE);
4669}
4670
4671void
4672zpool_obj_to_path_ds(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj,
4673 char *pathname, size_t len)
4674{
4675 zpool_obj_to_path_impl(zhp, dsobj, obj, pathname, len, B_TRUE);
4676}
e60e158e
JG		 4677/*
4678 * Wait while the specified activity is in progress in the pool.
4679 */
4680int
4681zpool_wait(zpool_handle_t *zhp, zpool_wait_activity_t activity)
4682{
4683 boolean_t missing;
4684
4685 int error = zpool_wait_status(zhp, activity, &missing, NULL);
4686
4687 if (missing) {
4688 (void) zpool_standard_error_fmt(zhp->zpool_hdl, ENOENT,
4689 dgettext(TEXT_DOMAIN, "error waiting in pool '%s'"),
4690 zhp->zpool_name);
4691 return (ENOENT);
4692 } else {
4693 return (error);
4694 }
4695}
4696
4697/*
4698 * Wait for the given activity and return the status of the wait (whether or not
4699 * any waiting was done) in the 'waited' parameter. Non-existent pools are
4700 * reported via the 'missing' parameter, rather than by printing an error
4701 * message. This is convenient when this function is called in a loop over a
4702 * long period of time (as it is, for example, by zpool's wait cmd). In that
4703 * scenario, a pool being exported or destroyed should be considered a normal
4704 * event, so we don't want to print an error when we find that the pool doesn't
4705 * exist.
4706 */
4707int
4708zpool_wait_status(zpool_handle_t *zhp, zpool_wait_activity_t activity,
4709 boolean_t *missing, boolean_t *waited)
4710{
4711 int error = lzc_wait(zhp->zpool_name, activity, waited);
4712 *missing = (error == ENOENT);
4713 if (*missing)
4714 return (0);
4715
4716 if (error != 0) {
4717 (void) zpool_standard_error_fmt(zhp->zpool_hdl, error,
4718 dgettext(TEXT_DOMAIN, "error waiting in pool '%s'"),
4719 zhp->zpool_name);
4720 }
4721
4722 return (error);
4723}
108a454a
PD		 4724
4725int
1db9e6e4 4726zpool_set_bootenv(zpool_handle_t *zhp, const nvlist_t *envmap)
108a454a
PD		 4727{
4728 int error = lzc_set_bootenv(zhp->zpool_name, envmap);
4729 if (error != 0) {
4730 (void) zpool_standard_error_fmt(zhp->zpool_hdl, error,
4731 dgettext(TEXT_DOMAIN,
4732 "error setting bootenv in pool '%s'"), zhp->zpool_name);
4733 }
4734
4735 return (error);
4736}
4737
4738int
1db9e6e4 4739zpool_get_bootenv(zpool_handle_t *zhp, nvlist_t **nvlp)
108a454a 4740{
1db9e6e4
TS		 4741 nvlist_t *nvl;
4742 int error;
4743
4744 nvl = NULL;
4745 error = lzc_get_bootenv(zhp->zpool_name, &nvl);
108a454a
PD		 4746 if (error != 0) {
4747 (void) zpool_standard_error_fmt(zhp->zpool_hdl, error,
4748 dgettext(TEXT_DOMAIN,
4749 "error getting bootenv in pool '%s'"), zhp->zpool_name);
1db9e6e4
TS		 4750 } else {
4751 *nvlp = nvl;
108a454a
PD		 4752 }
4753
1db9e6e4 4754 return (error);
108a454a 4755}
658fb802
CB		 4756
4757/*
4758 * Attempt to read and parse feature file(s) (from "compatibility" property).
4759 * Files contain zpool feature names, comma or whitespace-separated.
4760 * Comments (# character to next newline) are discarded.
4761 *
4762 * Arguments:
4763 * compatibility : string containing feature filenames
4764 * features : either NULL or pointer to array of boolean
e086db16
CB		 4765 * report : either NULL or pointer to string buffer
4766 * rlen : length of "report" buffer
658fb802
CB		 4767 *
4768 * compatibility is NULL (unset), "", "off", "legacy", or list of
4769 * comma-separated filenames. filenames should either be absolute,
4770 * or relative to:
4771 * 1) ZPOOL_SYSCONF_COMPAT_D (eg: /etc/zfs/compatibility.d) or
4772 * 2) ZPOOL_DATA_COMPAT_D (eg: /usr/share/zfs/compatibility.d).
4773 * (Unset), "" or "off" => enable all features
4774 * "legacy" => disable all features
e086db16 4775 *
658fb802
CB		 4776 * Any feature names read from files which match unames in spa_feature_table
4777 * will have the corresponding boolean set in the features array (if non-NULL).
4778 * If more than one feature set specified, only features present in *all* of
4779 * them will be set.
4780 *
e086db16 4781 * "report" if not NULL will be populated with a suitable status message.
658fb802
CB		 4782 *
4783 * Return values:
4784 * ZPOOL_COMPATIBILITY_OK : files read and parsed ok
658fb802 4785 * ZPOOL_COMPATIBILITY_BADFILE : file too big or not a text file
e086db16
CB		 4786 * ZPOOL_COMPATIBILITY_BADTOKEN : SYSCONF file contains invalid feature name
4787 * ZPOOL_COMPATIBILITY_WARNTOKEN : DATA file contains invalid feature name
4788 * ZPOOL_COMPATIBILITY_NOFILES : no feature files found
658fb802
CB		 4789 */
4790zpool_compat_status_t
e086db16
CB		 4791zpool_load_compat(const char *compat, boolean_t *features, char *report,
4792 size_t rlen)
658fb802
CB		 4793{
4794 int sdirfd, ddirfd, featfd;
658fb802 4795 struct stat fs;
e086db16
CB		 4796 char *fc;
4797 char *ps, *ls, *ws;
658fb802 4798 char *file, *line, *word;
e086db16
CB		 4799
4800 char l_compat[ZFS_MAXPROPLEN];
4801
4802 boolean_t ret_nofiles = B_TRUE;
4803 boolean_t ret_badfile = B_FALSE;
4804 boolean_t ret_badtoken = B_FALSE;
4805 boolean_t ret_warntoken = B_FALSE;
658fb802
CB		 4806
4807 /* special cases (unset), "" and "off" => enable all features */
e086db16
CB		 4808 if (compat == NULL || compat[0] == '\0' ||
4809 strcmp(compat, ZPOOL_COMPAT_OFF) == 0) {
658fb802 4810 if (features != NULL)
e086db16 4811 for (uint_t i = 0; i < SPA_FEATURES; i++)
658fb802 4812 features[i] = B_TRUE;
e086db16
CB		 4813 if (report != NULL)
4814 strlcpy(report, gettext("all features enabled"), rlen);
658fb802
CB		 4815 return (ZPOOL_COMPATIBILITY_OK);
4816 }
4817
4818 /* Final special case "legacy" => disable all features */
e086db16 4819 if (strcmp(compat, ZPOOL_COMPAT_LEGACY) == 0) {
658fb802 4820 if (features != NULL)
e086db16 4821 for (uint_t i = 0; i < SPA_FEATURES; i++)
658fb802 4822 features[i] = B_FALSE;
e086db16
CB		 4823 if (report != NULL)
4824 strlcpy(report, gettext("all features disabled"), rlen);
658fb802
CB		 4825 return (ZPOOL_COMPATIBILITY_OK);
4826 }
4827
4828 /*
4829 * Start with all true; will be ANDed with results from each file
4830 */
4831 if (features != NULL)
e086db16 4832 for (uint_t i = 0; i < SPA_FEATURES; i++)
658fb802
CB		 4833 features[i] = B_TRUE;
4834
e086db16
CB		 4835 char err_badfile[1024] = "";
4836 char err_badtoken[1024] = "";
4837
658fb802
CB		 4838 /*
4839 * We ignore errors from the directory open()
4840 * as they're only needed if the filename is relative
4841 * which will be checked during the openat().
4842 */
f97142c7
CB		 4843
4844/* O_PATH safer than O_RDONLY if system allows it */
4845#if defined(O_PATH)
4846#define ZC_DIR_FLAGS (O_DIRECTORY | O_CLOEXEC | O_PATH)
4847#else
4848#define ZC_DIR_FLAGS (O_DIRECTORY | O_CLOEXEC | O_RDONLY)
658fb802 4849#endif
f97142c7
CB		 4850
4851 sdirfd = open(ZPOOL_SYSCONF_COMPAT_D, ZC_DIR_FLAGS);
4852 ddirfd = open(ZPOOL_DATA_COMPAT_D, ZC_DIR_FLAGS);
658fb802 4853
e086db16
CB		 4854 (void) strlcpy(l_compat, compat, ZFS_MAXPROPLEN);
4855
4856 for (file = strtok_r(l_compat, ",", &ps);
4857 file != NULL;
4858 file = strtok_r(NULL, ",", &ps)) {
4859
f97142c7 4860 boolean_t l_features[SPA_FEATURES];
e086db16
CB		 4861
4862 enum { Z_SYSCONF, Z_DATA } source;
658fb802
CB		 4863
4864 /* try sysconfdir first, then datadir */
e086db16 4865 source = Z_SYSCONF;
8bc357ba
AZ		 4866 if ((featfd = openat(sdirfd, file, O_RDONLY | O_CLOEXEC)) < 0) {
4867 featfd = openat(ddirfd, file, O_RDONLY | O_CLOEXEC);
e086db16 4868 source = Z_DATA;
658fb802
CB		 4869 }
4870
e086db16
CB		 4871 /* File readable and correct size? */
4872 if (featfd < 0 ||
4873 fstat(featfd, &fs) < 0 ||
4874 fs.st_size < 1 ||
4875 fs.st_size > ZPOOL_COMPAT_MAXSIZE) {
658fb802 4876 (void) close(featfd);
e086db16
CB		 4877 strlcat(err_badfile, file, ZFS_MAXPROPLEN);
4878 strlcat(err_badfile, " ", ZFS_MAXPROPLEN);
4879 ret_badfile = B_TRUE;
4880 continue;
658fb802
CB		 4881 }
4882
f97142c7
CB		 4883/* Prefault the file if system allows */
4884#if defined(MAP_POPULATE)
4885#define ZC_MMAP_FLAGS (MAP_PRIVATE | MAP_POPULATE)
4886#elif defined(MAP_PREFAULT_READ)
4887#define ZC_MMAP_FLAGS (MAP_PRIVATE | MAP_PREFAULT_READ)
4888#else
4889#define ZC_MMAP_FLAGS (MAP_PRIVATE)
8bc357ba 4890#endif
f97142c7 4891
658fb802 4892 /* private mmap() so we can strtok safely */
f97142c7
CB		 4893 fc = (char *)mmap(NULL, fs.st_size, PROT_READ | PROT_WRITE,
4894 ZC_MMAP_FLAGS, featfd, 0);
658fb802
CB		 4895 (void) close(featfd);
4896
e086db16 4897 /* map ok, and last character == newline? */
8bc357ba 4898 if (fc == MAP_FAILED || fc[fs.st_size - 1] != '\n') {
658fb802 4899 (void) munmap((void *) fc, fs.st_size);
e086db16
CB		 4900 strlcat(err_badfile, file, ZFS_MAXPROPLEN);
4901 strlcat(err_badfile, " ", ZFS_MAXPROPLEN);
4902 ret_badfile = B_TRUE;
4903 continue;
658fb802
CB		 4904 }
4905
e086db16 4906 ret_nofiles = B_FALSE;
658fb802 4907
f97142c7
CB		 4908 for (uint_t i = 0; i < SPA_FEATURES; i++)
4909 l_features[i] = B_FALSE;
4910
4911 /* replace final newline with NULL to ensure string ends */
e086db16
CB		 4912 fc[fs.st_size - 1] = '\0';
4913
4914 for (line = strtok_r(fc, "\n", &ls);
4915 line != NULL;
4916 line = strtok_r(NULL, "\n", &ls)) {
658fb802 4917 /* discard comments */
d2119d0e
JL		 4918 char *r = strchr(line, '#');
4919 if (r != NULL)
4920 *r = '\0';
658fb802 4921
e086db16
CB		 4922 for (word = strtok_r(line, ", \t", &ws);
4923 word != NULL;
4924 word = strtok_r(NULL, ", \t", &ws)) {
658fb802 4925 /* Find matching feature name */
e086db16
CB		 4926 uint_t f;
4927 for (f = 0; f < SPA_FEATURES; f++) {
658fb802 4928 zfeature_info_t *fi =
e086db16 4929 &spa_feature_table[f];
658fb802 4930 if (strcmp(word, fi->fi_uname) == 0) {
e086db16 4931 l_features[f] = B_TRUE;
658fb802
CB		 4932 break;
4933 }
4934 }
e086db16
CB		 4935 if (f < SPA_FEATURES)
4936 continue;
4937
4938 /* found an unrecognized word */
4939 /* lightly sanitize it */
4940 if (strlen(word) > 32)
4941 word[32] = '\0';
4942 for (char *c = word; *c != '\0'; c++)
4943 if (!isprint(*c))
4944 *c = '?';
4945
4946 strlcat(err_badtoken, word, ZFS_MAXPROPLEN);
4947 strlcat(err_badtoken, " ", ZFS_MAXPROPLEN);
4948 if (source == Z_SYSCONF)
4949 ret_badtoken = B_TRUE;
4950 else
4951 ret_warntoken = B_TRUE;
658fb802 4952 }
658fb802
CB		 4953 }
4954 (void) munmap((void *) fc, fs.st_size);
e086db16
CB		 4955
4956 if (features != NULL)
4957 for (uint_t i = 0; i < SPA_FEATURES; i++)
4958 features[i] &= l_features[i];
658fb802
CB		 4959 }
4960 (void) close(sdirfd);
4961 (void) close(ddirfd);
e086db16
CB		 4962
4963 /* Return the most serious error */
4964 if (ret_badfile) {
4965 if (report != NULL)
4966 snprintf(report, rlen, gettext("could not read/"
4967 "parse feature file(s): %s"), err_badfile);
4968 return (ZPOOL_COMPATIBILITY_BADFILE);
4969 }
4970 if (ret_nofiles) {
4971 if (report != NULL)
4972 strlcpy(report,
4973 gettext("no valid compatibility files specified"),
4974 rlen);
658fb802 4975 return (ZPOOL_COMPATIBILITY_NOFILES);
e086db16
CB		 4976 }
4977 if (ret_badtoken) {
4978 if (report != NULL)
4979 snprintf(report, rlen, gettext("invalid feature "
4980 "name(s) in local compatibility files: %s"),
4981 err_badtoken);
4982 return (ZPOOL_COMPATIBILITY_BADTOKEN);
4983 }
4984 if (ret_warntoken) {
4985 if (report != NULL)
4986 snprintf(report, rlen, gettext("unrecognized feature "
4987 "name(s) in distribution compatibility files: %s"),
4988 err_badtoken);
4989 return (ZPOOL_COMPATIBILITY_WARNTOKEN);
4990 }
4991 if (report != NULL)
4992 strlcpy(report, gettext("compatibility set ok"), rlen);
658fb802
CB		 4993 return (ZPOOL_COMPATIBILITY_OK);
4994}
2a673e76
AJ		 4995
4996static int
4997zpool_vdev_guid(zpool_handle_t *zhp, const char *vdevname, uint64_t *vdev_guid)
4998{
4999 nvlist_t *tgt;
5000 boolean_t avail_spare, l2cache;
5001
5002 verify(zhp != NULL);
5003 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
d68a2bfa 5004 char errbuf[ERRBUFLEN];
2a673e76
AJ		 5005 (void) snprintf(errbuf, sizeof (errbuf),
5006 dgettext(TEXT_DOMAIN, "pool is in an unavailable state"));
5007 return (zfs_error(zhp->zpool_hdl, EZFS_POOLUNAVAIL, errbuf));
5008 }
5009
5010 if ((tgt = zpool_find_vdev(zhp, vdevname, &avail_spare, &l2cache,
5011 NULL)) == NULL) {
d68a2bfa 5012 char errbuf[ERRBUFLEN];
2a673e76
AJ		 5013 (void) snprintf(errbuf, sizeof (errbuf),
5014 dgettext(TEXT_DOMAIN, "can not find %s in %s"),
5015 vdevname, zhp->zpool_name);
5016 return (zfs_error(zhp->zpool_hdl, EZFS_NODEVICE, errbuf));
5017 }
5018
8bb9ecf4 5019 *vdev_guid = fnvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID);
2a673e76
AJ		 5020 return (0);
5021}
5022
5023/*
5024 * Get a vdev property value for 'prop' and return the value in
5025 * a pre-allocated buffer.
5026 */
5027int
5028zpool_get_vdev_prop_value(nvlist_t *nvprop, vdev_prop_t prop, char *prop_name,
5029 char *buf, size_t len, zprop_source_t *srctype, boolean_t literal)
5030{
5031 nvlist_t *nv;
a926aab9 5032 const char *strval;
8bb9ecf4 5033 uint64_t intval;
2a673e76
AJ		 5034 zprop_source_t src = ZPROP_SRC_NONE;
5035
4ff7a8fa 5036 if (prop == VDEV_PROP_USERPROP) {
2a673e76
AJ		 5037 /* user property, prop_name must contain the property name */
5038 assert(prop_name != NULL);
5039 if (nvlist_lookup_nvlist(nvprop, prop_name, &nv) == 0) {
8bb9ecf4
RM		 5040 src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE);
5041 strval = fnvlist_lookup_string(nv, ZPROP_VALUE);
2a673e76
AJ		 5042 } else {
5043 /* user prop not found */
5044 return (-1);
5045 }
5046 (void) strlcpy(buf, strval, len);
5047 if (srctype)
5048 *srctype = src;
5049 return (0);
5050 }
5051
5052 if (prop_name == NULL)
5053 prop_name = (char *)vdev_prop_to_name(prop);
5054
5055 switch (vdev_prop_get_type(prop)) {
5056 case PROP_TYPE_STRING:
5057 if (nvlist_lookup_nvlist(nvprop, prop_name, &nv) == 0) {
8bb9ecf4
RM		 5058 src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE);
5059 strval = fnvlist_lookup_string(nv, ZPROP_VALUE);
2a673e76
AJ		 5060 } else {
5061 src = ZPROP_SRC_DEFAULT;
a926aab9 5062 if ((strval = vdev_prop_default_string(prop)) == NULL)
2a673e76
AJ		 5063 strval = "-";
5064 }
5065 (void) strlcpy(buf, strval, len);
5066 break;
5067
5068 case PROP_TYPE_NUMBER:
5069 if (nvlist_lookup_nvlist(nvprop, prop_name, &nv) == 0) {
8bb9ecf4
RM		 5070 src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE);
5071 intval = fnvlist_lookup_uint64(nv, ZPROP_VALUE);
2a673e76
AJ		 5072 } else {
5073 src = ZPROP_SRC_DEFAULT;
5074 intval = vdev_prop_default_numeric(prop);
5075 }
5076
5077 switch (prop) {
5078 case VDEV_PROP_ASIZE:
5079 case VDEV_PROP_PSIZE:
5080 case VDEV_PROP_SIZE:
be8e1d81 5081 case VDEV_PROP_BOOTSIZE:
2a673e76
AJ		 5082 case VDEV_PROP_ALLOCATED:
5083 case VDEV_PROP_FREE:
5084 case VDEV_PROP_READ_ERRORS:
5085 case VDEV_PROP_WRITE_ERRORS:
5086 case VDEV_PROP_CHECKSUM_ERRORS:
5087 case VDEV_PROP_INITIALIZE_ERRORS:
5088 case VDEV_PROP_OPS_NULL:
5089 case VDEV_PROP_OPS_READ:
5090 case VDEV_PROP_OPS_WRITE:
5091 case VDEV_PROP_OPS_FREE:
5092 case VDEV_PROP_OPS_CLAIM:
5093 case VDEV_PROP_OPS_TRIM:
5094 case VDEV_PROP_BYTES_NULL:
5095 case VDEV_PROP_BYTES_READ:
5096 case VDEV_PROP_BYTES_WRITE:
5097 case VDEV_PROP_BYTES_FREE:
5098 case VDEV_PROP_BYTES_CLAIM:
5099 case VDEV_PROP_BYTES_TRIM:
5100 if (literal) {
5101 (void) snprintf(buf, len, "%llu",
5102 (u_longlong_t)intval);
5103 } else {
5104 (void) zfs_nicenum(intval, buf, len);
5105 }
5106 break;
5107 case VDEV_PROP_EXPANDSZ:
5108 if (intval == 0) {
5109 (void) strlcpy(buf, "-", len);
5110 } else if (literal) {
5111 (void) snprintf(buf, len, "%llu",
5112 (u_longlong_t)intval);
5113 } else {
5114 (void) zfs_nicenum(intval, buf, len);
5115 }
5116 break;
5117 case VDEV_PROP_CAPACITY:
5118 if (literal) {
5119 (void) snprintf(buf, len, "%llu",
5120 (u_longlong_t)intval);
5121 } else {
5122 (void) snprintf(buf, len, "%llu%%",
5123 (u_longlong_t)intval);
5124 }
5125 break;
5126 case VDEV_PROP_FRAGMENTATION:
5127 if (intval == UINT64_MAX) {
5128 (void) strlcpy(buf, "-", len);
5129 } else {
5130 (void) snprintf(buf, len, "%llu%%",
5131 (u_longlong_t)intval);
5132 }
5133 break;
5134 case VDEV_PROP_STATE:
5135 if (literal) {
5136 (void) snprintf(buf, len, "%llu",
5137 (u_longlong_t)intval);
5138 } else {
5139 (void) strlcpy(buf, zpool_state_to_name(intval,
5140 VDEV_AUX_NONE), len);
5141 }
5142 break;
5143 default:
5144 (void) snprintf(buf, len, "%llu",
5145 (u_longlong_t)intval);
5146 }
5147 break;
5148
5149 case PROP_TYPE_INDEX:
5150 if (nvlist_lookup_nvlist(nvprop, prop_name, &nv) == 0) {
8bb9ecf4
RM		 5151 src = fnvlist_lookup_uint64(nv, ZPROP_SOURCE);
5152 intval = fnvlist_lookup_uint64(nv, ZPROP_VALUE);
2a673e76
AJ		 5153 } else {
5154 src = ZPROP_SRC_DEFAULT;
5155 intval = vdev_prop_default_numeric(prop);
5156 }
5157 if (vdev_prop_index_to_string(prop, intval,
5158 (const char **)&strval) != 0)
5159 return (-1);
5160 (void) strlcpy(buf, strval, len);
5161 break;
5162
5163 default:
5164 abort();
5165 }
5166
5167 if (srctype)
5168 *srctype = src;
5169
5170 return (0);
5171}
5172
5173/*
5174 * Get a vdev property value for 'prop_name' and return the value in
5175 * a pre-allocated buffer.
5176 */
5177int
5178zpool_get_vdev_prop(zpool_handle_t *zhp, const char *vdevname, vdev_prop_t prop,
5179 char *prop_name, char *buf, size_t len, zprop_source_t *srctype,
5180 boolean_t literal)
5181{
5182 nvlist_t *reqnvl, *reqprops;
5183 nvlist_t *retprops = NULL;
6fc34371 5184 uint64_t vdev_guid = 0;
2a673e76
AJ		 5185 int ret;
5186
5187 if ((ret = zpool_vdev_guid(zhp, vdevname, &vdev_guid)) != 0)
5188 return (ret);
5189
5190 if (nvlist_alloc(&reqnvl, NV_UNIQUE_NAME, 0) != 0)
5191 return (no_memory(zhp->zpool_hdl));
5192 if (nvlist_alloc(&reqprops, NV_UNIQUE_NAME, 0) != 0)
5193 return (no_memory(zhp->zpool_hdl));
5194
5195 fnvlist_add_uint64(reqnvl, ZPOOL_VDEV_PROPS_GET_VDEV, vdev_guid);
5196
4ff7a8fa 5197 if (prop != VDEV_PROP_USERPROP) {
2a673e76
AJ		 5198 /* prop_name overrides prop value */
5199 if (prop_name != NULL)
5200 prop = vdev_name_to_prop(prop_name);
5201 else
5202 prop_name = (char *)vdev_prop_to_name(prop);
5203 assert(prop < VDEV_NUM_PROPS);
5204 }
5205
5206 assert(prop_name != NULL);
5207 if (nvlist_add_uint64(reqprops, prop_name, prop) != 0) {
5208 nvlist_free(reqnvl);
5209 nvlist_free(reqprops);
5210 return (no_memory(zhp->zpool_hdl));
5211 }
5212
5213 fnvlist_add_nvlist(reqnvl, ZPOOL_VDEV_PROPS_GET_PROPS, reqprops);
5214
5215 ret = lzc_get_vdev_prop(zhp->zpool_name, reqnvl, &retprops);
5216
5217 if (ret == 0) {
5218 ret = zpool_get_vdev_prop_value(retprops, prop, prop_name, buf,
5219 len, srctype, literal);
5220 } else {
d68a2bfa 5221 char errbuf[ERRBUFLEN];
2a673e76
AJ		 5222 (void) snprintf(errbuf, sizeof (errbuf),
5223 dgettext(TEXT_DOMAIN, "cannot get vdev property %s from"
5224 " %s in %s"), prop_name, vdevname, zhp->zpool_name);
5225 (void) zpool_standard_error(zhp->zpool_hdl, ret, errbuf);
5226 }
5227
5228 nvlist_free(reqnvl);
5229 nvlist_free(reqprops);
5230 nvlist_free(retprops);
5231
5232 return (ret);
5233}
5234
5235/*
5236 * Get all vdev properties
5237 */
5238int
5239zpool_get_all_vdev_props(zpool_handle_t *zhp, const char *vdevname,
5240 nvlist_t **outnvl)
5241{
5242 nvlist_t *nvl = NULL;
6fc34371 5243 uint64_t vdev_guid = 0;
2a673e76
AJ		 5244 int ret;
5245
5246 if ((ret = zpool_vdev_guid(zhp, vdevname, &vdev_guid)) != 0)
5247 return (ret);
5248
5249 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
5250 return (no_memory(zhp->zpool_hdl));
5251
5252 fnvlist_add_uint64(nvl, ZPOOL_VDEV_PROPS_GET_VDEV, vdev_guid);
5253
5254 ret = lzc_get_vdev_prop(zhp->zpool_name, nvl, outnvl);
5255
5256 nvlist_free(nvl);
5257
5258 if (ret) {
d68a2bfa 5259 char errbuf[ERRBUFLEN];
2a673e76
AJ		 5260 (void) snprintf(errbuf, sizeof (errbuf),
5261 dgettext(TEXT_DOMAIN, "cannot get vdev properties for"
5262 " %s in %s"), vdevname, zhp->zpool_name);
5263 (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf);
5264 }
5265
5266 return (ret);
5267}
5268
5269/*
5270 * Set vdev property
5271 */
5272int
5273zpool_set_vdev_prop(zpool_handle_t *zhp, const char *vdevname,
5274 const char *propname, const char *propval)
5275{
5276 int ret;
2a673e76
AJ		 5277 nvlist_t *nvl = NULL;
5278 nvlist_t *outnvl = NULL;
5279 nvlist_t *props;
5280 nvlist_t *realprops;
5281 prop_flags_t flags = { 0 };
5282 uint64_t version;
5283 uint64_t vdev_guid;
5284
5285 if ((ret = zpool_vdev_guid(zhp, vdevname, &vdev_guid)) != 0)
5286 return (ret);
5287
2a673e76
AJ		 5288 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
5289 return (no_memory(zhp->zpool_hdl));
5290 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
5291 return (no_memory(zhp->zpool_hdl));
5292
5293 fnvlist_add_uint64(nvl, ZPOOL_VDEV_PROPS_SET_VDEV, vdev_guid);
5294
5295 if (nvlist_add_string(props, propname, propval) != 0) {
5296 nvlist_free(props);
5297 return (no_memory(zhp->zpool_hdl));
5298 }
5299
d68a2bfa 5300 char errbuf[ERRBUFLEN];
2a673e76
AJ		 5301 (void) snprintf(errbuf, sizeof (errbuf),
5302 dgettext(TEXT_DOMAIN, "cannot set property %s for %s on %s"),
5303 propname, vdevname, zhp->zpool_name);
5304
5305 flags.vdevprop = 1;
5306 version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
5307 if ((realprops = zpool_valid_proplist(zhp->zpool_hdl,
5308 zhp->zpool_name, props, version, flags, errbuf)) == NULL) {
5309 nvlist_free(props);
5310 nvlist_free(nvl);
5311 return (-1);
5312 }
5313
5314 nvlist_free(props);
5315 props = realprops;
5316
5317 fnvlist_add_nvlist(nvl, ZPOOL_VDEV_PROPS_SET_PROPS, props);
5318
5319 ret = lzc_set_vdev_prop(zhp->zpool_name, nvl, &outnvl);
5320
5321 nvlist_free(props);
5322 nvlist_free(nvl);
5323 nvlist_free(outnvl);
5324
5325 if (ret)
5326 (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf);
5327
5328 return (ret);
5329}
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