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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/*
9babb374 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
34dc7c2f
BB		 23 * Use is subject to license terms.
24 */
25
34dc7c2f
BB		 26#include <stdio.h>
27#include <stdio_ext.h>
28#include <stdlib.h>
29#include <ctype.h>
30#include <sys/zfs_context.h>
31#include <sys/spa.h>
32#include <sys/spa_impl.h>
33#include <sys/dmu.h>
34#include <sys/zap.h>
35#include <sys/fs/zfs.h>
36#include <sys/zfs_znode.h>
37#include <sys/vdev.h>
38#include <sys/vdev_impl.h>
39#include <sys/metaslab_impl.h>
40#include <sys/dmu_objset.h>
41#include <sys/dsl_dir.h>
42#include <sys/dsl_dataset.h>
43#include <sys/dsl_pool.h>
44#include <sys/dbuf.h>
45#include <sys/zil.h>
46#include <sys/zil_impl.h>
47#include <sys/stat.h>
48#include <sys/resource.h>
49#include <sys/dmu_traverse.h>
50#include <sys/zio_checksum.h>
51#include <sys/zio_compress.h>
52#include <sys/zfs_fuid.h>
b128c09f 53#include <sys/arc.h>
34dc7c2f
BB		 54#undef ZFS_MAXNAMELEN
55#undef verify
56#include <libzfs.h>
57
58const char cmdname[] = "zdb";
59uint8_t dump_opt[256];
60
61typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
62
63extern void dump_intent_log(zilog_t *);
64uint64_t *zopt_object = NULL;
65int zopt_objects = 0;
34dc7c2f
BB		 66libzfs_handle_t *g_zfs;
67boolean_t zdb_sig_user_data = B_TRUE;
68int zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
69
70/*
71 * These libumem hooks provide a reasonable set of defaults for the allocator's
72 * debugging facilities.
73 */
74const char *
75_umem_debug_init()
76{
77 return ("default,verbose"); /* $UMEM_DEBUG setting */
78}
79
80const char *
81_umem_logging_init(void)
82{
83 return ("fail,contents"); /* $UMEM_LOGGING setting */
84}
85
86static void
87usage(void)
88{
89 (void) fprintf(stderr,
fb5f0bc8
BB		 90 "Usage: %s [-udibcsvL] [-U cachefile_path] [-t txg]\n"
91 "\t [-S user:cksumalg] "
34dc7c2f
BB		 92 "dataset [object...]\n"
93 " %s -C [pool]\n"
94 " %s -l dev\n"
95 " %s -R pool:vdev:offset:size:flags\n"
96 " %s [-p path_to_vdev_dir]\n"
97 " %s -e pool | GUID | devid ...\n",
98 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
99
100 (void) fprintf(stderr, " -u uberblock\n");
101 (void) fprintf(stderr, " -d datasets\n");
102 (void) fprintf(stderr, " -C cached pool configuration\n");
103 (void) fprintf(stderr, " -i intent logs\n");
104 (void) fprintf(stderr, " -b block statistics\n");
9babb374
BB		 105 (void) fprintf(stderr, " -m metaslabs\n");
106 (void) fprintf(stderr, " -c checksum all metadata (twice for "
107 "all data) blocks\n");
34dc7c2f
BB		 108 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
109 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- "
110 "dump blkptr signatures\n");
111 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
112 (void) fprintf(stderr, " -l dump label contents\n");
fb5f0bc8
BB		 113 (void) fprintf(stderr, " -L disable leak tracking (do not "
114 "load spacemaps)\n");
34dc7c2f
BB		 115 (void) fprintf(stderr, " -U cachefile_path -- use alternate "
116 "cachefile\n");
34dc7c2f
BB		 117 (void) fprintf(stderr, " -R read and display block from a "
118 "device\n");
119 (void) fprintf(stderr, " -e Pool is exported/destroyed/"
120 "has altroot\n");
121 (void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\n");
fb5f0bc8
BB		 122 (void) fprintf(stderr, " -t <txg> highest txg to use when "
123 "searching for uberblocks\n");
34dc7c2f
BB		 124 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
125 "to make only that option verbose\n");
126 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
127 exit(1);
128}
129
9babb374
BB		 130/*
131 * Called for usage errors that are discovered after a call to spa_open(),
132 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
133 */
134
34dc7c2f
BB		 135static void
136fatal(const char *fmt, ...)
137{
138 va_list ap;
139
140 va_start(ap, fmt);
141 (void) fprintf(stderr, "%s: ", cmdname);
142 (void) vfprintf(stderr, fmt, ap);
143 va_end(ap);
144 (void) fprintf(stderr, "\n");
145
9babb374 146 exit(1);
34dc7c2f
BB		 147}
148
149static void
150dump_nvlist(nvlist_t *list, int indent)
151{
152 nvpair_t *elem = NULL;
153
154 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
155 switch (nvpair_type(elem)) {
156 case DATA_TYPE_STRING:
157 {
158 char *value;
159
160 VERIFY(nvpair_value_string(elem, &value) == 0);
161 (void) printf("%*s%s='%s'\n", indent, "",
162 nvpair_name(elem), value);
163 }
164 break;
165
166 case DATA_TYPE_UINT64:
167 {
168 uint64_t value;
169
170 VERIFY(nvpair_value_uint64(elem, &value) == 0);
171 (void) printf("%*s%s=%llu\n", indent, "",
172 nvpair_name(elem), (u_longlong_t)value);
173 }
174 break;
175
176 case DATA_TYPE_NVLIST:
177 {
178 nvlist_t *value;
179
180 VERIFY(nvpair_value_nvlist(elem, &value) == 0);
181 (void) printf("%*s%s\n", indent, "",
182 nvpair_name(elem));
183 dump_nvlist(value, indent + 4);
184 }
185 break;
186
187 case DATA_TYPE_NVLIST_ARRAY:
188 {
189 nvlist_t **value;
190 uint_t c, count;
191
192 VERIFY(nvpair_value_nvlist_array(elem, &value,
193 &count) == 0);
194
195 for (c = 0; c < count; c++) {
196 (void) printf("%*s%s[%u]\n", indent, "",
197 nvpair_name(elem), c);
198 dump_nvlist(value[c], indent + 8);
199 }
200 }
201 break;
202
203 default:
204
205 (void) printf("bad config type %d for %s\n",
206 nvpair_type(elem), nvpair_name(elem));
207 }
208 }
209}
210
211/* ARGSUSED */
212static void
213dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
214{
215 nvlist_t *nv;
216 size_t nvsize = *(uint64_t *)data;
217 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
218
9babb374 219 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
34dc7c2f
BB		 220
221 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
222
223 umem_free(packed, nvsize);
224
225 dump_nvlist(nv, 8);
226
227 nvlist_free(nv);
228}
229
230const char dump_zap_stars[] = "****************************************";
231const int dump_zap_width = sizeof (dump_zap_stars) - 1;
232
233static void
234dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
235{
236 int i;
237 int minidx = ZAP_HISTOGRAM_SIZE - 1;
238 int maxidx = 0;
239 uint64_t max = 0;
240
241 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
242 if (histo[i] > max)
243 max = histo[i];
244 if (histo[i] > 0 && i > maxidx)
245 maxidx = i;
246 if (histo[i] > 0 && i < minidx)
247 minidx = i;
248 }
249
250 if (max < dump_zap_width)
251 max = dump_zap_width;
252
253 for (i = minidx; i <= maxidx; i++)
254 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
255 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
256}
257
258static void
259dump_zap_stats(objset_t *os, uint64_t object)
260{
261 int error;
262 zap_stats_t zs;
263
264 error = zap_get_stats(os, object, &zs);
265 if (error)
266 return;
267
268 if (zs.zs_ptrtbl_len == 0) {
269 ASSERT(zs.zs_num_blocks == 1);
270 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
271 (u_longlong_t)zs.zs_blocksize,
272 (u_longlong_t)zs.zs_num_entries);
273 return;
274 }
275
276 (void) printf("\tFat ZAP stats:\n");
277
278 (void) printf("\t\tPointer table:\n");
279 (void) printf("\t\t\t%llu elements\n",
280 (u_longlong_t)zs.zs_ptrtbl_len);
281 (void) printf("\t\t\tzt_blk: %llu\n",
282 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
283 (void) printf("\t\t\tzt_numblks: %llu\n",
284 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
285 (void) printf("\t\t\tzt_shift: %llu\n",
286 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
287 (void) printf("\t\t\tzt_blks_copied: %llu\n",
288 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
289 (void) printf("\t\t\tzt_nextblk: %llu\n",
290 (u_longlong_t)zs.zs_ptrtbl_nextblk);
291
292 (void) printf("\t\tZAP entries: %llu\n",
293 (u_longlong_t)zs.zs_num_entries);
294 (void) printf("\t\tLeaf blocks: %llu\n",
295 (u_longlong_t)zs.zs_num_leafs);
296 (void) printf("\t\tTotal blocks: %llu\n",
297 (u_longlong_t)zs.zs_num_blocks);
298 (void) printf("\t\tzap_block_type: 0x%llx\n",
299 (u_longlong_t)zs.zs_block_type);
300 (void) printf("\t\tzap_magic: 0x%llx\n",
301 (u_longlong_t)zs.zs_magic);
302 (void) printf("\t\tzap_salt: 0x%llx\n",
303 (u_longlong_t)zs.zs_salt);
304
305 (void) printf("\t\tLeafs with 2^n pointers:\n");
306 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
307
308 (void) printf("\t\tBlocks with n*5 entries:\n");
309 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
310
311 (void) printf("\t\tBlocks n/10 full:\n");
312 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
313
314 (void) printf("\t\tEntries with n chunks:\n");
315 dump_zap_histogram(zs.zs_entries_using_n_chunks);
316
317 (void) printf("\t\tBuckets with n entries:\n");
318 dump_zap_histogram(zs.zs_buckets_with_n_entries);
319}
320
321/*ARGSUSED*/
322static void
323dump_none(objset_t *os, uint64_t object, void *data, size_t size)
324{
325}
326
327/*ARGSUSED*/
328void
329dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
330{
331}
332
333/*ARGSUSED*/
334static void
335dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
336{
337}
338
339/*ARGSUSED*/
340static void
341dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
342{
343 zap_cursor_t zc;
344 zap_attribute_t attr;
345 void *prop;
346 int i;
347
348 dump_zap_stats(os, object);
349 (void) printf("\n");
350
351 for (zap_cursor_init(&zc, os, object);
352 zap_cursor_retrieve(&zc, &attr) == 0;
353 zap_cursor_advance(&zc)) {
354 (void) printf("\t\t%s = ", attr.za_name);
355 if (attr.za_num_integers == 0) {
356 (void) printf("\n");
357 continue;
358 }
359 prop = umem_zalloc(attr.za_num_integers *
360 attr.za_integer_length, UMEM_NOFAIL);
361 (void) zap_lookup(os, object, attr.za_name,
362 attr.za_integer_length, attr.za_num_integers, prop);
363 if (attr.za_integer_length == 1) {
364 (void) printf("%s", (char *)prop);
365 } else {
366 for (i = 0; i < attr.za_num_integers; i++) {
367 switch (attr.za_integer_length) {
368 case 2:
369 (void) printf("%u ",
370 ((uint16_t *)prop)[i]);
371 break;
372 case 4:
373 (void) printf("%u ",
374 ((uint32_t *)prop)[i]);
375 break;
376 case 8:
377 (void) printf("%lld ",
378 (u_longlong_t)((int64_t *)prop)[i]);
379 break;
380 }
381 }
382 }
383 (void) printf("\n");
384 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
385 }
386 zap_cursor_fini(&zc);
387}
388
389/*ARGSUSED*/
390static void
391dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
392{
393 zap_cursor_t zc;
394 zap_attribute_t attr;
395 const char *typenames[] = {
396 /* 0 */ "not specified",
397 /* 1 */ "FIFO",
398 /* 2 */ "Character Device",
399 /* 3 */ "3 (invalid)",
400 /* 4 */ "Directory",
401 /* 5 */ "5 (invalid)",
402 /* 6 */ "Block Device",
403 /* 7 */ "7 (invalid)",
404 /* 8 */ "Regular File",
405 /* 9 */ "9 (invalid)",
406 /* 10 */ "Symbolic Link",
407 /* 11 */ "11 (invalid)",
408 /* 12 */ "Socket",
409 /* 13 */ "Door",
410 /* 14 */ "Event Port",
411 /* 15 */ "15 (invalid)",
412 };
413
414 dump_zap_stats(os, object);
415 (void) printf("\n");
416
417 for (zap_cursor_init(&zc, os, object);
418 zap_cursor_retrieve(&zc, &attr) == 0;
419 zap_cursor_advance(&zc)) {
420 (void) printf("\t\t%s = %lld (type: %s)\n",
421 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
422 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
423 }
424 zap_cursor_fini(&zc);
425}
426
427static void
428dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
429{
430 uint64_t alloc, offset, entry;
431 uint8_t mapshift = sm->sm_shift;
432 uint64_t mapstart = sm->sm_start;
433 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
434 "INVALID", "INVALID", "INVALID", "INVALID" };
435
436 if (smo->smo_object == 0)
437 return;
438
439 /*
440 * Print out the freelist entries in both encoded and decoded form.
441 */
442 alloc = 0;
443 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
444 VERIFY(0 == dmu_read(os, smo->smo_object, offset,
9babb374 445 sizeof (entry), &entry, DMU_READ_PREFETCH));
34dc7c2f
BB		 446 if (SM_DEBUG_DECODE(entry)) {
447 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
448 (u_longlong_t)(offset / sizeof (entry)),
449 ddata[SM_DEBUG_ACTION_DECODE(entry)],
450 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
451 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
452 } else {
453 (void) printf("\t\t[%4llu] %c range:"
454 " %08llx-%08llx size: %06llx\n",
455 (u_longlong_t)(offset / sizeof (entry)),
456 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
457 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
458 mapshift) + mapstart),
459 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
460 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
461 mapshift)),
462 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
463 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
464 alloc += SM_RUN_DECODE(entry) << mapshift;
465 else
466 alloc -= SM_RUN_DECODE(entry) << mapshift;
467 }
468 }
469 if (alloc != smo->smo_alloc) {
470 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
471 "with space map summary (%llu)\n",
472 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
473 }
474}
475
9babb374
BB		 476static void
477dump_metaslab_stats(metaslab_t *msp)
478{
479 char maxbuf[5];
480 space_map_t *sm = &msp->ms_map;
481 avl_tree_t *t = sm->sm_pp_root;
482 int free_pct = sm->sm_space * 100 / sm->sm_size;
483
484 nicenum(space_map_maxsize(sm), maxbuf);
485
486 (void) printf("\t %20s %10lu %7s %6s %4s %4d%%\n",
487 "segments", avl_numnodes(t), "maxsize", maxbuf,
488 "freepct", free_pct);
489}
490
34dc7c2f
BB		 491static void
492dump_metaslab(metaslab_t *msp)
493{
494 char freebuf[5];
495 space_map_obj_t *smo = &msp->ms_smo;
496 vdev_t *vd = msp->ms_group->mg_vd;
497 spa_t *spa = vd->vdev_spa;
498
499 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf);
500
34dc7c2f 501 (void) printf(
9babb374 502 "\tvdev %5llu offset %12llx spacemap %6llu free %5s\n",
34dc7c2f
BB		 503 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start,
504 (u_longlong_t)smo->smo_object, freebuf);
505
9babb374
BB		 506 if (dump_opt['m'] > 1) {
507 mutex_enter(&msp->ms_lock);
508 VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops,
509 SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0);
510 dump_metaslab_stats(msp);
511 space_map_unload(&msp->ms_map);
512 mutex_exit(&msp->ms_lock);
513 }
514
515 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
516 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
517
518 mutex_enter(&msp->ms_lock);
519 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
520 mutex_exit(&msp->ms_lock);
521 }
34dc7c2f 522
34dc7c2f
BB		 523}
524
525static void
526dump_metaslabs(spa_t *spa)
527{
528 vdev_t *rvd = spa->spa_root_vdev;
529 vdev_t *vd;
530 int c, m;
531
532 (void) printf("\nMetaslabs:\n");
533
534 for (c = 0; c < rvd->vdev_children; c++) {
535 vd = rvd->vdev_child[c];
536
9babb374
BB		 537 (void) printf("\t%-10s %-19s %-15s %-10s\n",
538 "vdev", "offset", "spacemap", "free");
539 (void) printf("\t%10s %19s %15s %10s\n",
540 "----------", "-------------------",
541 "---------------", "-------------");
34dc7c2f 542
34dc7c2f
BB		 543 for (m = 0; m < vd->vdev_ms_count; m++)
544 dump_metaslab(vd->vdev_ms[m]);
545 (void) printf("\n");
546 }
547}
548
fb5f0bc8
BB		 549static void
550dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
551{
552 char *prefix = (void *)sm;
553
554 (void) printf("%s [%llu,%llu) length %llu\n",
555 prefix,
556 (u_longlong_t)start,
557 (u_longlong_t)(start + size),
558 (u_longlong_t)(size));
559}
560
34dc7c2f
BB		 561static void
562dump_dtl(vdev_t *vd, int indent)
563{
fb5f0bc8
BB		 564 spa_t *spa = vd->vdev_spa;
565 boolean_t required;
566 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
567 char prefix[256];
568
569 spa_vdev_state_enter(spa);
570 required = vdev_dtl_required(vd);
571 (void) spa_vdev_state_exit(spa, NULL, 0);
34dc7c2f
BB		 572
573 if (indent == 0)
574 (void) printf("\nDirty time logs:\n\n");
575
fb5f0bc8 576 (void) printf("\t%*s%s [%s]\n", indent, "",
b128c09f 577 vd->vdev_path ? vd->vdev_path :
fb5f0bc8
BB		 578 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
579 required ? "DTL-required" : "DTL-expendable");
34dc7c2f 580
fb5f0bc8
BB		 581 for (int t = 0; t < DTL_TYPES; t++) {
582 space_map_t *sm = &vd->vdev_dtl[t];
583 if (sm->sm_space == 0)
584 continue;
585 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
586 indent + 2, "", name[t]);
587 mutex_enter(sm->sm_lock);
588 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
589 mutex_exit(sm->sm_lock);
590 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
591 dump_spacemap(spa->spa_meta_objset,
592 &vd->vdev_dtl_smo, sm);
34dc7c2f
BB		 593 }
594
fb5f0bc8 595 for (int c = 0; c < vd->vdev_children; c++)
34dc7c2f
BB		 596 dump_dtl(vd->vdev_child[c], indent + 4);
597}
598
599/*ARGSUSED*/
600static void
601dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
602{
603}
604
605static uint64_t
b128c09f 606blkid2offset(const dnode_phys_t *dnp, int level, uint64_t blkid)
34dc7c2f
BB		 607{
608 if (level < 0)
609 return (blkid);
610
611 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
612 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
613}
614
615static void
616sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas)
617{
618 dva_t *dva = bp->blk_dva;
619 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1;
620 int i;
621
622 blkbuf[0] = '\0';
623
624 for (i = 0; i < ndvas; i++)
625 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
626 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
627 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
628 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
629
630 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu",
631 (u_longlong_t)BP_GET_LSIZE(bp),
632 (u_longlong_t)BP_GET_PSIZE(bp),
633 (u_longlong_t)bp->blk_fill,
634 (u_longlong_t)bp->blk_birth);
635}
636
b128c09f
BB		 637static void
638print_indirect(blkptr_t *bp, const zbookmark_t *zb,
639 const dnode_phys_t *dnp)
34dc7c2f 640{
b128c09f 641 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 642 int l;
643
b128c09f
BB		 644 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
645 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
34dc7c2f 646
b128c09f 647 (void) printf("%16llx ",
34dc7c2f
BB		 648 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid));
649
650 ASSERT(zb->zb_level >= 0);
651
652 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
653 if (l == zb->zb_level) {
b128c09f 654 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
34dc7c2f 655 } else {
b128c09f 656 (void) printf(" ");
34dc7c2f
BB		 657 }
658 }
659
b128c09f
BB		 660 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
661 (void) printf("%s\n", blkbuf);
662}
663
664#define SET_BOOKMARK(zb, objset, object, level, blkid) \
665{ \
666 (zb)->zb_objset = objset; \
667 (zb)->zb_object = object; \
668 (zb)->zb_level = level; \
669 (zb)->zb_blkid = blkid; \
670}
671
672static int
673visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
674 blkptr_t *bp, const zbookmark_t *zb)
675{
676 int err;
677
678 if (bp->blk_birth == 0)
679 return (0);
680
681 print_indirect(bp, zb, dnp);
682
683 if (BP_GET_LEVEL(bp) > 0) {
684 uint32_t flags = ARC_WAIT;
685 int i;
686 blkptr_t *cbp;
687 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
688 arc_buf_t *buf;
689 uint64_t fill = 0;
690
691 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
692 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
693 if (err)
694 return (err);
695
696 /* recursively visit blocks below this */
697 cbp = buf->b_data;
698 for (i = 0; i < epb; i++, cbp++) {
699 zbookmark_t czb;
700
701 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
702 zb->zb_level - 1,
703 zb->zb_blkid * epb + i);
704 err = visit_indirect(spa, dnp, cbp, &czb);
705 if (err)
706 break;
707 fill += cbp->blk_fill;
708 }
fb5f0bc8
BB		 709 if (!err)
710 ASSERT3U(fill, ==, bp->blk_fill);
b128c09f 711 (void) arc_buf_remove_ref(buf, &buf);
34dc7c2f
BB		 712 }
713
b128c09f 714 return (err);
34dc7c2f
BB		 715}
716
717/*ARGSUSED*/
718static void
b128c09f 719dump_indirect(dnode_t *dn)
34dc7c2f 720{
b128c09f
BB		 721 dnode_phys_t *dnp = dn->dn_phys;
722 int j;
723 zbookmark_t czb;
34dc7c2f
BB		 724
725 (void) printf("Indirect blocks:\n");
726
b128c09f
BB		 727 SET_BOOKMARK(&czb, dmu_objset_id(&dn->dn_objset->os),
728 dn->dn_object, dnp->dn_nlevels - 1, 0);
729 for (j = 0; j < dnp->dn_nblkptr; j++) {
730 czb.zb_blkid = j;
731 (void) visit_indirect(dmu_objset_spa(&dn->dn_objset->os), dnp,
732 &dnp->dn_blkptr[j], &czb);
733 }
34dc7c2f
BB		 734
735 (void) printf("\n");
34dc7c2f
BB		 736}
737
738/*ARGSUSED*/
739static void
740dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
741{
742 dsl_dir_phys_t *dd = data;
743 time_t crtime;
b128c09f 744 char nice[6];
34dc7c2f
BB		 745
746 if (dd == NULL)
747 return;
748
749 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
750
751 crtime = dd->dd_creation_time;
34dc7c2f
BB		 752 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
753 (void) printf("\t\thead_dataset_obj = %llu\n",
754 (u_longlong_t)dd->dd_head_dataset_obj);
755 (void) printf("\t\tparent_dir_obj = %llu\n",
756 (u_longlong_t)dd->dd_parent_obj);
757 (void) printf("\t\torigin_obj = %llu\n",
758 (u_longlong_t)dd->dd_origin_obj);
759 (void) printf("\t\tchild_dir_zapobj = %llu\n",
760 (u_longlong_t)dd->dd_child_dir_zapobj);
b128c09f
BB		 761 nicenum(dd->dd_used_bytes, nice);
762 (void) printf("\t\tused_bytes = %s\n", nice);
763 nicenum(dd->dd_compressed_bytes, nice);
764 (void) printf("\t\tcompressed_bytes = %s\n", nice);
765 nicenum(dd->dd_uncompressed_bytes, nice);
766 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
767 nicenum(dd->dd_quota, nice);
768 (void) printf("\t\tquota = %s\n", nice);
769 nicenum(dd->dd_reserved, nice);
770 (void) printf("\t\treserved = %s\n", nice);
34dc7c2f
BB		 771 (void) printf("\t\tprops_zapobj = %llu\n",
772 (u_longlong_t)dd->dd_props_zapobj);
773 (void) printf("\t\tdeleg_zapobj = %llu\n",
774 (u_longlong_t)dd->dd_deleg_zapobj);
b128c09f
BB		 775 (void) printf("\t\tflags = %llx\n",
776 (u_longlong_t)dd->dd_flags);
777
778#define DO(which) \
779 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
780 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
781 DO(HEAD);
782 DO(SNAP);
783 DO(CHILD);
784 DO(CHILD_RSRV);
785 DO(REFRSRV);
786#undef DO
34dc7c2f
BB		 787}
788
789/*ARGSUSED*/
790static void
791dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
792{
793 dsl_dataset_phys_t *ds = data;
794 time_t crtime;
795 char used[6], compressed[6], uncompressed[6], unique[6];
796 char blkbuf[BP_SPRINTF_LEN];
797
798 if (ds == NULL)
799 return;
800
801 ASSERT(size == sizeof (*ds));
802 crtime = ds->ds_creation_time;
803 nicenum(ds->ds_used_bytes, used);
804 nicenum(ds->ds_compressed_bytes, compressed);
805 nicenum(ds->ds_uncompressed_bytes, uncompressed);
806 nicenum(ds->ds_unique_bytes, unique);
807 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp);
808
b128c09f 809 (void) printf("\t\tdir_obj = %llu\n",
34dc7c2f
BB		 810 (u_longlong_t)ds->ds_dir_obj);
811 (void) printf("\t\tprev_snap_obj = %llu\n",
812 (u_longlong_t)ds->ds_prev_snap_obj);
813 (void) printf("\t\tprev_snap_txg = %llu\n",
814 (u_longlong_t)ds->ds_prev_snap_txg);
815 (void) printf("\t\tnext_snap_obj = %llu\n",
816 (u_longlong_t)ds->ds_next_snap_obj);
817 (void) printf("\t\tsnapnames_zapobj = %llu\n",
818 (u_longlong_t)ds->ds_snapnames_zapobj);
819 (void) printf("\t\tnum_children = %llu\n",
820 (u_longlong_t)ds->ds_num_children);
821 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
822 (void) printf("\t\tcreation_txg = %llu\n",
823 (u_longlong_t)ds->ds_creation_txg);
824 (void) printf("\t\tdeadlist_obj = %llu\n",
825 (u_longlong_t)ds->ds_deadlist_obj);
826 (void) printf("\t\tused_bytes = %s\n", used);
827 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
828 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
829 (void) printf("\t\tunique = %s\n", unique);
830 (void) printf("\t\tfsid_guid = %llu\n",
831 (u_longlong_t)ds->ds_fsid_guid);
832 (void) printf("\t\tguid = %llu\n",
833 (u_longlong_t)ds->ds_guid);
834 (void) printf("\t\tflags = %llx\n",
835 (u_longlong_t)ds->ds_flags);
b128c09f
BB		 836 (void) printf("\t\tnext_clones_obj = %llu\n",
837 (u_longlong_t)ds->ds_next_clones_obj);
838 (void) printf("\t\tprops_obj = %llu\n",
839 (u_longlong_t)ds->ds_props_obj);
34dc7c2f
BB		 840 (void) printf("\t\tbp = %s\n", blkbuf);
841}
842
843static void
844dump_bplist(objset_t *mos, uint64_t object, char *name)
845{
846 bplist_t bpl = { 0 };
847 blkptr_t blk, *bp = &blk;
848 uint64_t itor = 0;
849 char bytes[6];
850 char comp[6];
851 char uncomp[6];
852
853 if (dump_opt['d'] < 3)
854 return;
855
856 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL);
857 VERIFY(0 == bplist_open(&bpl, mos, object));
858 if (bplist_empty(&bpl)) {
859 bplist_close(&bpl);
860 mutex_destroy(&bpl.bpl_lock);
861 return;
862 }
863
864 nicenum(bpl.bpl_phys->bpl_bytes, bytes);
865 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) {
866 nicenum(bpl.bpl_phys->bpl_comp, comp);
867 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp);
868 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n",
869 name, (u_longlong_t)bpl.bpl_phys->bpl_entries,
870 bytes, comp, uncomp);
871 } else {
872 (void) printf("\n %s: %llu entries, %s\n",
873 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes);
874 }
875
876 if (dump_opt['d'] < 5) {
877 bplist_close(&bpl);
878 mutex_destroy(&bpl.bpl_lock);
879 return;
880 }
881
882 (void) printf("\n");
883
884 while (bplist_iterate(&bpl, &itor, bp) == 0) {
885 char blkbuf[BP_SPRINTF_LEN];
886
887 ASSERT(bp->blk_birth != 0);
888 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
889 (void) printf("\tItem %3llu: %s\n",
890 (u_longlong_t)itor - 1, blkbuf);
891 }
892
893 bplist_close(&bpl);
894 mutex_destroy(&bpl.bpl_lock);
895}
896
897static avl_tree_t idx_tree;
898static avl_tree_t domain_tree;
899static boolean_t fuid_table_loaded;
900
901static void
902fuid_table_destroy()
903{
904 if (fuid_table_loaded) {
905 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
906 fuid_table_loaded = B_FALSE;
907 }
908}
909
910/*
911 * print uid or gid information.
912 * For normal POSIX id just the id is printed in decimal format.
913 * For CIFS files with FUID the fuid is printed in hex followed by
914 * the doman-rid string.
915 */
916static void
917print_idstr(uint64_t id, const char *id_type)
918{
919 if (FUID_INDEX(id)) {
920 char *domain;
921
922 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
923 (void) printf("\t%s %llx [%s-%d]\n", id_type,
924 (u_longlong_t)id, domain, (int)FUID_RID(id));
925 } else {
926 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
927 }
928
929}
930
931static void
932dump_uidgid(objset_t *os, znode_phys_t *zp)
933{
934 uint32_t uid_idx, gid_idx;
935
936 uid_idx = FUID_INDEX(zp->zp_uid);
937 gid_idx = FUID_INDEX(zp->zp_gid);
938
939 /* Load domain table, if not already loaded */
940 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
941 uint64_t fuid_obj;
942
943 /* first find the fuid object. It lives in the master node */
944 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
945 8, 1, &fuid_obj) == 0);
9babb374 946 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
34dc7c2f
BB		 947 (void) zfs_fuid_table_load(os, fuid_obj,
948 &idx_tree, &domain_tree);
949 fuid_table_loaded = B_TRUE;
950 }
951
952 print_idstr(zp->zp_uid, "uid");
953 print_idstr(zp->zp_gid, "gid");
954}
955
956/*ARGSUSED*/
957static void
958dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
959{
960 znode_phys_t *zp = data;
961 time_t z_crtime, z_atime, z_mtime, z_ctime;
962 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
963 int error;
964
965 ASSERT(size >= sizeof (znode_phys_t));
966
967 error = zfs_obj_to_path(os, object, path, sizeof (path));
968 if (error != 0) {
969 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
970 (u_longlong_t)object);
971 }
972
973 if (dump_opt['d'] < 3) {
974 (void) printf("\t%s\n", path);
975 return;
976 }
977
978 z_crtime = (time_t)zp->zp_crtime[0];
979 z_atime = (time_t)zp->zp_atime[0];
980 z_mtime = (time_t)zp->zp_mtime[0];
981 z_ctime = (time_t)zp->zp_ctime[0];
982
983 (void) printf("\tpath %s\n", path);
984 dump_uidgid(os, zp);
985 (void) printf("\tatime %s", ctime(&z_atime));
986 (void) printf("\tmtime %s", ctime(&z_mtime));
987 (void) printf("\tctime %s", ctime(&z_ctime));
988 (void) printf("\tcrtime %s", ctime(&z_crtime));
989 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen);
990 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode);
991 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size);
992 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent);
993 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links);
994 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr);
995 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev);
996}
997
998/*ARGSUSED*/
999static void
1000dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1001{
1002}
1003
1004/*ARGSUSED*/
1005static void
1006dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1007{
1008}
1009
1010static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
1011 dump_none, /* unallocated */
1012 dump_zap, /* object directory */
1013 dump_uint64, /* object array */
1014 dump_none, /* packed nvlist */
1015 dump_packed_nvlist, /* packed nvlist size */
1016 dump_none, /* bplist */
1017 dump_none, /* bplist header */
1018 dump_none, /* SPA space map header */
1019 dump_none, /* SPA space map */
1020 dump_none, /* ZIL intent log */
1021 dump_dnode, /* DMU dnode */
1022 dump_dmu_objset, /* DMU objset */
1023 dump_dsl_dir, /* DSL directory */
1024 dump_zap, /* DSL directory child map */
1025 dump_zap, /* DSL dataset snap map */
1026 dump_zap, /* DSL props */
1027 dump_dsl_dataset, /* DSL dataset */
1028 dump_znode, /* ZFS znode */
1029 dump_acl, /* ZFS V0 ACL */
1030 dump_uint8, /* ZFS plain file */
1031 dump_zpldir, /* ZFS directory */
1032 dump_zap, /* ZFS master node */
1033 dump_zap, /* ZFS delete queue */
1034 dump_uint8, /* zvol object */
1035 dump_zap, /* zvol prop */
1036 dump_uint8, /* other uint8[] */
1037 dump_uint64, /* other uint64[] */
1038 dump_zap, /* other ZAP */
1039 dump_zap, /* persistent error log */
1040 dump_uint8, /* SPA history */
1041 dump_uint64, /* SPA history offsets */
1042 dump_zap, /* Pool properties */
1043 dump_zap, /* DSL permissions */
1044 dump_acl, /* ZFS ACL */
1045 dump_uint8, /* ZFS SYSACL */
1046 dump_none, /* FUID nvlist */
1047 dump_packed_nvlist, /* FUID nvlist size */
b128c09f
BB		 1048 dump_zap, /* DSL dataset next clones */
1049 dump_zap, /* DSL scrub queue */
9babb374
BB		 1050 dump_zap, /* ZFS user/group used */
1051 dump_zap, /* ZFS user/group quota */
34dc7c2f
BB		 1052};
1053
1054static void
1055dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1056{
1057 dmu_buf_t *db = NULL;
1058 dmu_object_info_t doi;
1059 dnode_t *dn;
1060 void *bonus = NULL;
1061 size_t bsize = 0;
1062 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6];
1063 char aux[50];
1064 int error;
1065
1066 if (*print_header) {
1067 (void) printf("\n Object lvl iblk dblk lsize"
1068 " asize type\n");
1069 *print_header = 0;
1070 }
1071
1072 if (object == 0) {
1073 dn = os->os->os_meta_dnode;
1074 } else {
1075 error = dmu_bonus_hold(os, object, FTAG, &db);
1076 if (error)
1077 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1078 object, error);
1079 bonus = db->db_data;
1080 bsize = db->db_size;
1081 dn = ((dmu_buf_impl_t *)db)->db_dnode;
1082 }
1083 dmu_object_info_from_dnode(dn, &doi);
1084
1085 nicenum(doi.doi_metadata_block_size, iblk);
1086 nicenum(doi.doi_data_block_size, dblk);
1087 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1),
1088 lsize);
1089 nicenum(doi.doi_physical_blks << 9, asize);
1090 nicenum(doi.doi_bonus_size, bonus_size);
1091
1092 aux[0] = '\0';
1093
1094 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1095 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1096 zio_checksum_table[doi.doi_checksum].ci_name);
1097 }
1098
1099 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1100 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1101 zio_compress_table[doi.doi_compress].ci_name);
1102 }
1103
1104 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n",
1105 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize,
1106 asize, dmu_ot[doi.doi_type].ot_name, aux);
1107
1108 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1109 (void) printf("%10s %3s %5s %5s %5s %5s %s\n",
1110 "", "", "", "", bonus_size, "bonus",
1111 dmu_ot[doi.doi_bonus_type].ot_name);
1112 }
1113
1114 if (verbosity >= 4) {
9babb374
BB		 1115 (void) printf("\tdnode flags: %s%s\n",
1116 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1117 "USED_BYTES " : "",
1118 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1119 "USERUSED_ACCOUNTED " : "");
1120 (void) printf("\tdnode maxblkid: %llu\n",
1121 (longlong_t)dn->dn_phys->dn_maxblkid);
1122
34dc7c2f
BB		 1123 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize);
1124 object_viewer[doi.doi_type](os, object, NULL, 0);
1125 *print_header = 1;
1126 }
1127
1128 if (verbosity >= 5)
b128c09f 1129 dump_indirect(dn);
34dc7c2f
BB		 1130
1131 if (verbosity >= 5) {
1132 /*
1133 * Report the list of segments that comprise the object.
1134 */
1135 uint64_t start = 0;
1136 uint64_t end;
1137 uint64_t blkfill = 1;
1138 int minlvl = 1;
1139
1140 if (dn->dn_type == DMU_OT_DNODE) {
1141 minlvl = 0;
1142 blkfill = DNODES_PER_BLOCK;
1143 }
1144
1145 for (;;) {
b128c09f
BB		 1146 error = dnode_next_offset(dn,
1147 0, &start, minlvl, blkfill, 0);
34dc7c2f
BB		 1148 if (error)
1149 break;
1150 end = start;
b128c09f
BB		 1151 error = dnode_next_offset(dn,
1152 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
34dc7c2f
BB		 1153 nicenum(end - start, segsize);
1154 (void) printf("\t\tsegment [%016llx, %016llx)"
1155 " size %5s\n", (u_longlong_t)start,
1156 (u_longlong_t)end, segsize);
1157 if (error)
1158 break;
1159 start = end;
1160 }
1161 }
1162
1163 if (db != NULL)
1164 dmu_buf_rele(db, FTAG);
1165}
1166
1167static char *objset_types[DMU_OST_NUMTYPES] = {
1168 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1169
1170static void
1171dump_dir(objset_t *os)
1172{
1173 dmu_objset_stats_t dds;
1174 uint64_t object, object_count;
1175 uint64_t refdbytes, usedobjs, scratch;
1176 char numbuf[8];
9babb374 1177 char blkbuf[BP_SPRINTF_LEN + 20];
34dc7c2f
BB		 1178 char osname[MAXNAMELEN];
1179 char *type = "UNKNOWN";
1180 int verbosity = dump_opt['d'];
1181 int print_header = 1;
1182 int i, error;
1183
1184 dmu_objset_fast_stat(os, &dds);
1185
1186 if (dds.dds_type < DMU_OST_NUMTYPES)
1187 type = objset_types[dds.dds_type];
1188
1189 if (dds.dds_type == DMU_OST_META) {
1190 dds.dds_creation_txg = TXG_INITIAL;
1191 usedobjs = os->os->os_rootbp->blk_fill;
b128c09f
BB		 1192 refdbytes = os->os->os_spa->spa_dsl_pool->
1193 dp_mos_dir->dd_phys->dd_used_bytes;
34dc7c2f
BB		 1194 } else {
1195 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1196 }
1197
1198 ASSERT3U(usedobjs, ==, os->os->os_rootbp->blk_fill);
1199
1200 nicenum(refdbytes, numbuf);
1201
1202 if (verbosity >= 4) {
9babb374
BB		 1203 (void) sprintf(blkbuf + strlen(blkbuf), ", rootbp ");
1204 (void) sprintf_blkptr(blkbuf + strlen(blkbuf),
34dc7c2f
BB		 1205 BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp);
1206 } else {
1207 blkbuf[0] = '\0';
1208 }
1209
1210 dmu_objset_name(os, osname);
1211
1212 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1213 "%s, %llu objects%s\n",
1214 osname, type, (u_longlong_t)dmu_objset_id(os),
1215 (u_longlong_t)dds.dds_creation_txg,
1216 numbuf, (u_longlong_t)usedobjs, blkbuf);
1217
1218 dump_intent_log(dmu_objset_zil(os));
1219
1220 if (dmu_objset_ds(os) != NULL)
1221 dump_bplist(dmu_objset_pool(os)->dp_meta_objset,
1222 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist");
1223
1224 if (verbosity < 2)
1225 return;
1226
b128c09f
BB		 1227 if (os->os->os_rootbp->blk_birth == 0)
1228 return;
1229
34dc7c2f
BB		 1230 if (zopt_objects != 0) {
1231 for (i = 0; i < zopt_objects; i++)
1232 dump_object(os, zopt_object[i], verbosity,
1233 &print_header);
1234 (void) printf("\n");
1235 return;
1236 }
1237
1238 dump_object(os, 0, verbosity, &print_header);
9babb374
BB		 1239 object_count = 0;
1240 if (os->os->os_userused_dnode &&
1241 os->os->os_userused_dnode->dn_type != 0) {
1242 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1243 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1244 }
34dc7c2f
BB		 1245
1246 object = 0;
1247 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1248 dump_object(os, object, verbosity, &print_header);
1249 object_count++;
1250 }
1251
1252 ASSERT3U(object_count, ==, usedobjs);
1253
1254 (void) printf("\n");
1255
9babb374
BB		 1256 if (error != ESRCH) {
1257 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1258 abort();
1259 }
34dc7c2f
BB		 1260}
1261
1262static void
1263dump_uberblock(uberblock_t *ub)
1264{
1265 time_t timestamp = ub->ub_timestamp;
1266
1267 (void) printf("Uberblock\n\n");
1268 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1269 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1270 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1271 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1272 (void) printf("\ttimestamp = %llu UTC = %s",
1273 (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
1274 if (dump_opt['u'] >= 3) {
1275 char blkbuf[BP_SPRINTF_LEN];
1276 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp);
1277 (void) printf("\trootbp = %s\n", blkbuf);
1278 }
1279 (void) printf("\n");
1280}
1281
1282static void
1283dump_config(const char *pool)
1284{
1285 spa_t *spa = NULL;
1286
1287 mutex_enter(&spa_namespace_lock);
1288 while ((spa = spa_next(spa)) != NULL) {
1289 if (pool == NULL)
1290 (void) printf("%s\n", spa_name(spa));
1291 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0)
1292 dump_nvlist(spa->spa_config, 4);
1293 }
1294 mutex_exit(&spa_namespace_lock);
1295}
1296
b128c09f
BB		 1297static void
1298dump_cachefile(const char *cachefile)
1299{
1300 int fd;
1301 struct stat64 statbuf;
1302 char *buf;
1303 nvlist_t *config;
1304
1305 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1306 (void) printf("cannot open '%s': %s\n", cachefile,
1307 strerror(errno));
1308 exit(1);
1309 }
1310
1311 if (fstat64(fd, &statbuf) != 0) {
1312 (void) printf("failed to stat '%s': %s\n", cachefile,
1313 strerror(errno));
1314 exit(1);
1315 }
1316
1317 if ((buf = malloc(statbuf.st_size)) == NULL) {
1318 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1319 (u_longlong_t)statbuf.st_size);
1320 exit(1);
1321 }
1322
1323 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1324 (void) fprintf(stderr, "failed to read %llu bytes\n",
1325 (u_longlong_t)statbuf.st_size);
1326 exit(1);
1327 }
1328
1329 (void) close(fd);
1330
1331 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1332 (void) fprintf(stderr, "failed to unpack nvlist\n");
1333 exit(1);
1334 }
1335
1336 free(buf);
1337
1338 dump_nvlist(config, 0);
1339
1340 nvlist_free(config);
1341}
1342
34dc7c2f
BB		 1343static void
1344dump_label(const char *dev)
1345{
1346 int fd;
1347 vdev_label_t label;
1348 char *buf = label.vl_vdev_phys.vp_nvlist;
1349 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1350 struct stat64 statbuf;
1351 uint64_t psize;
1352 int l;
1353
1354 if ((fd = open64(dev, O_RDONLY)) < 0) {
1355 (void) printf("cannot open '%s': %s\n", dev, strerror(errno));
1356 exit(1);
1357 }
1358
1359 if (fstat64(fd, &statbuf) != 0) {
1360 (void) printf("failed to stat '%s': %s\n", dev,
1361 strerror(errno));
1362 exit(1);
1363 }
1364
1365 psize = statbuf.st_size;
1366 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1367
1368 for (l = 0; l < VDEV_LABELS; l++) {
1369
1370 nvlist_t *config = NULL;
1371
1372 (void) printf("--------------------------------------------\n");
1373 (void) printf("LABEL %d\n", l);
1374 (void) printf("--------------------------------------------\n");
1375
1376 if (pread64(fd, &label, sizeof (label),
1377 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1378 (void) printf("failed to read label %d\n", l);
1379 continue;
1380 }
1381
1382 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1383 (void) printf("failed to unpack label %d\n", l);
1384 continue;
1385 }
1386 dump_nvlist(config, 4);
1387 nvlist_free(config);
1388 }
1389}
1390
1391/*ARGSUSED*/
1392static int
1393dump_one_dir(char *dsname, void *arg)
1394{
1395 int error;
1396 objset_t *os;
1397
1398 error = dmu_objset_open(dsname, DMU_OST_ANY,
b128c09f 1399 DS_MODE_USER | DS_MODE_READONLY, &os);
34dc7c2f
BB		 1400 if (error) {
1401 (void) printf("Could not open %s\n", dsname);
1402 return (0);
1403 }
1404 dump_dir(os);
1405 dmu_objset_close(os);
1406 fuid_table_destroy();
1407 return (0);
1408}
1409
1410static void
b128c09f 1411zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
34dc7c2f 1412{
b128c09f 1413 vdev_t *vd = sm->sm_ppd;
34dc7c2f 1414
b128c09f
BB		 1415 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
1416 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
34dc7c2f
BB		 1417}
1418
b128c09f
BB		 1419/* ARGSUSED */
1420static void
1421zdb_space_map_load(space_map_t *sm)
34dc7c2f 1422{
34dc7c2f
BB		 1423}
1424
1425static void
b128c09f 1426zdb_space_map_unload(space_map_t *sm)
34dc7c2f 1427{
b128c09f
BB		 1428 space_map_vacate(sm, zdb_leak, sm);
1429}
34dc7c2f 1430
b128c09f
BB		 1431/* ARGSUSED */
1432static void
1433zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
1434{
34dc7c2f
BB		 1435}
1436
b128c09f
BB		 1437static space_map_ops_t zdb_space_map_ops = {
1438 zdb_space_map_load,
1439 zdb_space_map_unload,
1440 NULL, /* alloc */
1441 zdb_space_map_claim,
9babb374
BB		 1442 NULL, /* free */
1443 NULL /* maxsize */
b128c09f
BB		 1444};
1445
34dc7c2f 1446static void
b128c09f 1447zdb_leak_init(spa_t *spa)
34dc7c2f
BB		 1448{
1449 vdev_t *rvd = spa->spa_root_vdev;
34dc7c2f 1450
b128c09f
BB		 1451 for (int c = 0; c < rvd->vdev_children; c++) {
1452 vdev_t *vd = rvd->vdev_child[c];
1453 for (int m = 0; m < vd->vdev_ms_count; m++) {
34dc7c2f
BB		 1454 metaslab_t *msp = vd->vdev_ms[m];
1455 mutex_enter(&msp->ms_lock);
b128c09f
BB		 1456 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops,
1457 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0);
1458 msp->ms_map.sm_ppd = vd;
34dc7c2f
BB		 1459 mutex_exit(&msp->ms_lock);
1460 }
1461 }
1462}
1463
1464static void
b128c09f 1465zdb_leak_fini(spa_t *spa)
34dc7c2f 1466{
34dc7c2f 1467 vdev_t *rvd = spa->spa_root_vdev;
34dc7c2f 1468
b128c09f
BB		 1469 for (int c = 0; c < rvd->vdev_children; c++) {
1470 vdev_t *vd = rvd->vdev_child[c];
1471 for (int m = 0; m < vd->vdev_ms_count; m++) {
1472 metaslab_t *msp = vd->vdev_ms[m];
1473 mutex_enter(&msp->ms_lock);
1474 space_map_unload(&msp->ms_map);
1475 mutex_exit(&msp->ms_lock);
1476 }
1477 }
34dc7c2f
BB		 1478}
1479
1480/*
1481 * Verify that the sum of the sizes of all blocks in the pool adds up
1482 * to the SPA's sa_alloc total.
1483 */
1484typedef struct zdb_blkstats {
1485 uint64_t zb_asize;
1486 uint64_t zb_lsize;
1487 uint64_t zb_psize;
1488 uint64_t zb_count;
1489} zdb_blkstats_t;
1490
1491#define DMU_OT_DEFERRED DMU_OT_NONE
1492#define DMU_OT_TOTAL DMU_OT_NUMTYPES
1493
b128c09f 1494#define ZB_TOTAL DN_MAX_LEVELS
34dc7c2f
BB		 1495
1496typedef struct zdb_cb {
1497 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1];
1498 uint64_t zcb_errors[256];
34dc7c2f
BB		 1499 int zcb_readfails;
1500 int zcb_haderrors;
1501} zdb_cb_t;
1502
1503static void
b128c09f 1504zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type)
34dc7c2f 1505{
b128c09f 1506 for (int i = 0; i < 4; i++) {
34dc7c2f
BB		 1507 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1508 int t = (i & 1) ? type : DMU_OT_TOTAL;
1509 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1510
1511 zb->zb_asize += BP_GET_ASIZE(bp);
1512 zb->zb_lsize += BP_GET_LSIZE(bp);
1513 zb->zb_psize += BP_GET_PSIZE(bp);
1514 zb->zb_count++;
1515 }
1516
1517 if (dump_opt['S']) {
1518 boolean_t print_sig;
1519
b128c09f 1520 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 &&
34dc7c2f
BB		 1521 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS);
1522
1523 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg)
1524 print_sig = B_FALSE;
1525
1526 if (print_sig) {
1527 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t"
1528 "%llx:%llx:%llx:%llx\n",
1529 (u_longlong_t)BP_GET_LEVEL(bp),
1530 (longlong_t)BP_GET_PSIZE(bp),
1531 (longlong_t)BP_GET_NDVAS(bp),
1532 dmu_ot[BP_GET_TYPE(bp)].ot_name,
1533 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1534 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name,
1535 (u_longlong_t)bp->blk_cksum.zc_word[0],
1536 (u_longlong_t)bp->blk_cksum.zc_word[1],
1537 (u_longlong_t)bp->blk_cksum.zc_word[2],
1538 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1539 }
1540 }
1541
fb5f0bc8
BB		 1542 if (!dump_opt['L'])
1543 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp,
1544 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0);
34dc7c2f
BB		 1545}
1546
1547static int
b128c09f
BB		 1548zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
1549 const dnode_phys_t *dnp, void *arg)
34dc7c2f 1550{
34dc7c2f 1551 zdb_cb_t *zcb = arg;
34dc7c2f 1552 char blkbuf[BP_SPRINTF_LEN];
9babb374
BB		 1553 dmu_object_type_t type;
1554 boolean_t is_l0_metadata;
34dc7c2f 1555
b128c09f
BB		 1556 if (bp == NULL)
1557 return (0);
1558
9babb374
BB		 1559 type = BP_GET_TYPE(bp);
1560
1561 zdb_count_block(spa, zcb, bp, type);
b128c09f 1562
9babb374
BB		 1563 /*
1564 * if we do metadata-only checksumming there's no need to checksum
1565 * indirect blocks here because it is done during traverse
1566 */
1567 is_l0_metadata = (BP_GET_LEVEL(bp) == 0 && type < DMU_OT_NUMTYPES &&
1568 dmu_ot[type].ot_metadata);
1569
1570 if (dump_opt['c'] > 1 || dump_opt['S'] ||
1571 (dump_opt['c'] && is_l0_metadata)) {
b128c09f
BB		 1572 int ioerr, size;
1573 void *data;
1574
1575 size = BP_GET_LSIZE(bp);
1576 data = malloc(size);
1577 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1578 NULL, NULL, ZIO_PRIORITY_ASYNC_READ,
1579 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB, zb));
1580 free(data);
1581
1582 /* We expect io errors on intent log */
9babb374 1583 if (ioerr && type != DMU_OT_INTENT_LOG) {
34dc7c2f 1584 zcb->zcb_haderrors = 1;
b128c09f 1585 zcb->zcb_errors[ioerr]++;
34dc7c2f 1586
b128c09f
BB		 1587 if (dump_opt['b'] >= 2)
1588 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1589 else
1590 blkbuf[0] = '\0';
1591
1592 if (!dump_opt['S']) {
1593 (void) printf("zdb_blkptr_cb: "
1594 "Got error %d reading "
1595 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
1596 ioerr,
1597 (u_longlong_t)zb->zb_objset,
1598 (u_longlong_t)zb->zb_object,
1599 (u_longlong_t)zb->zb_level,
1600 (u_longlong_t)zb->zb_blkid,
1601 blkbuf);
1602 }
34dc7c2f 1603 }
34dc7c2f
BB		 1604 }
1605
1606 zcb->zcb_readfails = 0;
1607
34dc7c2f
BB		 1608 if (dump_opt['b'] >= 4) {
1609 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1610 (void) printf("objset %llu object %llu offset 0x%llx %s\n",
1611 (u_longlong_t)zb->zb_objset,
1612 (u_longlong_t)zb->zb_object,
b128c09f
BB		 1613 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid),
1614 blkbuf);
34dc7c2f
BB		 1615 }
1616
34dc7c2f
BB		 1617 return (0);
1618}
1619
1620static int
1621dump_block_stats(spa_t *spa)
1622{
34dc7c2f 1623 zdb_cb_t zcb = { 0 };
34dc7c2f
BB		 1624 zdb_blkstats_t *zb, *tzb;
1625 uint64_t alloc, space, logalloc;
1626 vdev_t *rvd = spa->spa_root_vdev;
1627 int leaks = 0;
b128c09f 1628 int c, e;
34dc7c2f
BB		 1629
1630 if (!dump_opt['S']) {
9babb374 1631 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
fb5f0bc8 1632 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
9babb374 1633 (dump_opt['c'] == 1) ? "metadata " : "",
fb5f0bc8
BB		 1634 dump_opt['c'] ? "checksums " : "",
1635 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
1636 !dump_opt['L'] ? "nothing leaked " : "");
34dc7c2f
BB		 1637 }
1638
1639 /*
b128c09f
BB		 1640 * Load all space maps as SM_ALLOC maps, then traverse the pool
1641 * claiming each block we discover. If the pool is perfectly
1642 * consistent, the space maps will be empty when we're done.
1643 * Anything left over is a leak; any block we can't claim (because
1644 * it's not part of any space map) is a double allocation,
1645 * reference to a freed block, or an unclaimed log block.
34dc7c2f 1646 */
fb5f0bc8
BB		 1647 if (!dump_opt['L'])
1648 zdb_leak_init(spa);
34dc7c2f
BB		 1649
1650 /*
1651 * If there's a deferred-free bplist, process that first.
1652 */
1653 if (spa->spa_sync_bplist_obj != 0) {
1654 bplist_t *bpl = &spa->spa_sync_bplist;
1655 blkptr_t blk;
1656 uint64_t itor = 0;
1657
1658 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset,
1659 spa->spa_sync_bplist_obj));
1660
1661 while (bplist_iterate(bpl, &itor, &blk) == 0) {
1662 if (dump_opt['b'] >= 4) {
1663 char blkbuf[BP_SPRINTF_LEN];
1664 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk);
1665 (void) printf("[%s] %s\n",
1666 "deferred free", blkbuf);
1667 }
1668 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED);
1669 }
1670
1671 bplist_close(bpl);
1672 }
1673
b128c09f 1674 zcb.zcb_haderrors |= traverse_pool(spa, zdb_blkptr_cb, &zcb);
34dc7c2f
BB		 1675
1676 if (zcb.zcb_haderrors && !dump_opt['S']) {
1677 (void) printf("\nError counts:\n\n");
1678 (void) printf("\t%5s %s\n", "errno", "count");
1679 for (e = 0; e < 256; e++) {
1680 if (zcb.zcb_errors[e] != 0) {
1681 (void) printf("\t%5d %llu\n",
1682 e, (u_longlong_t)zcb.zcb_errors[e]);
1683 }
1684 }
1685 }
1686
1687 /*
1688 * Report any leaked segments.
1689 */
fb5f0bc8
BB		 1690 if (!dump_opt['L'])
1691 zdb_leak_fini(spa);
34dc7c2f
BB		 1692
1693 /*
1694 * If we're interested in printing out the blkptr signatures,
1695 * return now as we don't print out anything else (including
1696 * errors and leaks).
1697 */
1698 if (dump_opt['S'])
1699 return (zcb.zcb_haderrors ? 3 : 0);
1700
34dc7c2f
BB		 1701 alloc = spa_get_alloc(spa);
1702 space = spa_get_space(spa);
1703
1704 /*
1705 * Log blocks allocated from a separate log device don't count
1706 * as part of the normal pool space; factor them in here.
1707 */
1708 logalloc = 0;
1709
1710 for (c = 0; c < rvd->vdev_children; c++)
1711 if (rvd->vdev_child[c]->vdev_islog)
1712 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc;
1713
1714 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL];
1715
1716 if (tzb->zb_asize == alloc + logalloc) {
fb5f0bc8
BB		 1717 if (!dump_opt['L'])
1718 (void) printf("\n\tNo leaks (block sum matches space"
1719 " maps exactly)\n");
34dc7c2f
BB		 1720 } else {
1721 (void) printf("block traversal size %llu != alloc %llu "
fb5f0bc8 1722 "(%s %lld)\n",
34dc7c2f
BB		 1723 (u_longlong_t)tzb->zb_asize,
1724 (u_longlong_t)alloc + logalloc,
fb5f0bc8
BB		 1725 (dump_opt['L']) ? "unreachable" : "leaked",
1726 (longlong_t)(alloc + logalloc - tzb->zb_asize));
34dc7c2f
BB		 1727 leaks = 1;
1728 }
1729
1730 if (tzb->zb_count == 0)
1731 return (2);
1732
1733 (void) printf("\n");
1734 (void) printf("\tbp count: %10llu\n",
1735 (u_longlong_t)tzb->zb_count);
1736 (void) printf("\tbp logical: %10llu\t avg: %6llu\n",
1737 (u_longlong_t)tzb->zb_lsize,
1738 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
1739 (void) printf("\tbp physical: %10llu\t avg:"
1740 " %6llu\tcompression: %6.2f\n",
1741 (u_longlong_t)tzb->zb_psize,
1742 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
1743 (double)tzb->zb_lsize / tzb->zb_psize);
1744 (void) printf("\tbp allocated: %10llu\t avg:"
1745 " %6llu\tcompression: %6.2f\n",
1746 (u_longlong_t)tzb->zb_asize,
1747 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
1748 (double)tzb->zb_lsize / tzb->zb_asize);
1749 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n",
1750 (u_longlong_t)alloc, 100.0 * alloc / space);
1751
1752 if (dump_opt['b'] >= 2) {
1753 int l, t, level;
1754 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
1755 "\t avg\t comp\t%%Total\tType\n");
1756
1757 for (t = 0; t <= DMU_OT_NUMTYPES; t++) {
1758 char csize[6], lsize[6], psize[6], asize[6], avg[6];
1759 char *typename;
1760
1761 typename = t == DMU_OT_DEFERRED ? "deferred free" :
1762 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name;
1763
1764 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
1765 (void) printf("%6s\t%5s\t%5s\t%5s"
1766 "\t%5s\t%5s\t%6s\t%s\n",
1767 "-",
1768 "-",
1769 "-",
1770 "-",
1771 "-",
1772 "-",
1773 "-",
1774 typename);
1775 continue;
1776 }
1777
1778 for (l = ZB_TOTAL - 1; l >= -1; l--) {
1779 level = (l == -1 ? ZB_TOTAL : l);
1780 zb = &zcb.zcb_type[level][t];
1781
1782 if (zb->zb_asize == 0)
1783 continue;
1784
1785 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
1786 continue;
1787
1788 if (level == 0 && zb->zb_asize ==
1789 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
1790 continue;
1791
1792 nicenum(zb->zb_count, csize);
1793 nicenum(zb->zb_lsize, lsize);
1794 nicenum(zb->zb_psize, psize);
1795 nicenum(zb->zb_asize, asize);
1796 nicenum(zb->zb_asize / zb->zb_count, avg);
1797
1798 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
1799 "\t%5.2f\t%6.2f\t",
1800 csize, lsize, psize, asize, avg,
1801 (double)zb->zb_lsize / zb->zb_psize,
1802 100.0 * zb->zb_asize / tzb->zb_asize);
1803
1804 if (level == ZB_TOTAL)
1805 (void) printf("%s\n", typename);
1806 else
1807 (void) printf(" L%d %s\n",
1808 level, typename);
1809 }
1810 }
1811 }
1812
1813 (void) printf("\n");
1814
1815 if (leaks)
1816 return (2);
1817
1818 if (zcb.zcb_haderrors)
1819 return (3);
1820
1821 return (0);
1822}
1823
1824static void
1825dump_zpool(spa_t *spa)
1826{
1827 dsl_pool_t *dp = spa_get_dsl(spa);
1828 int rc = 0;
1829
34dc7c2f
BB		 1830 if (dump_opt['u'])
1831 dump_uberblock(&spa->spa_uberblock);
1832
9babb374 1833 if (dump_opt['d'] || dump_opt['i'] || dump_opt['m']) {
34dc7c2f
BB		 1834 dump_dir(dp->dp_meta_objset);
1835 if (dump_opt['d'] >= 3) {
1836 dump_bplist(dp->dp_meta_objset,
1837 spa->spa_sync_bplist_obj, "Deferred frees");
1838 dump_dtl(spa->spa_root_vdev, 0);
34dc7c2f 1839 }
9babb374
BB		 1840
1841 if (dump_opt['d'] >= 3 || dump_opt['m'])
1842 dump_metaslabs(spa);
1843
b128c09f 1844 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL,
34dc7c2f
BB		 1845 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
1846 }
1847
1848 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S'])
1849 rc = dump_block_stats(spa);
1850
1851 if (dump_opt['s'])
1852 show_pool_stats(spa);
1853
34dc7c2f
BB		 1854 if (rc != 0)
1855 exit(rc);
1856}
1857
1858#define ZDB_FLAG_CHECKSUM 0x0001
1859#define ZDB_FLAG_DECOMPRESS 0x0002
1860#define ZDB_FLAG_BSWAP 0x0004
1861#define ZDB_FLAG_GBH 0x0008
1862#define ZDB_FLAG_INDIRECT 0x0010
1863#define ZDB_FLAG_PHYS 0x0020
1864#define ZDB_FLAG_RAW 0x0040
1865#define ZDB_FLAG_PRINT_BLKPTR 0x0080
1866
1867int flagbits[256];
1868
1869static void
1870zdb_print_blkptr(blkptr_t *bp, int flags)
1871{
1872 dva_t *dva = bp->blk_dva;
1873 int d;
1874
1875 if (flags & ZDB_FLAG_BSWAP)
1876 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
1877 /*
1878 * Super-ick warning: This code is also duplicated in
1879 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code
1880 * replication, too.
1881 */
1882 for (d = 0; d < BP_GET_NDVAS(bp); d++) {
1883 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d,
1884 (longlong_t)DVA_GET_VDEV(&dva[d]),
1885 (longlong_t)DVA_GET_OFFSET(&dva[d]));
1886 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t"
1887 "ASIZE: %llx\n", d,
1888 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE",
1889 (longlong_t)DVA_GET_GRID(&dva[d]),
1890 (longlong_t)DVA_GET_ASIZE(&dva[d]));
1891 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d,
1892 (u_longlong_t)DVA_GET_VDEV(&dva[d]),
1893 (longlong_t)DVA_GET_OFFSET(&dva[d]),
1894 (longlong_t)BP_GET_PSIZE(bp),
1895 BP_SHOULD_BYTESWAP(bp) ? "e" : "",
1896 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ?
1897 "d" : "",
1898 DVA_GET_GANG(&dva[d]) ? "g" : "",
1899 BP_GET_COMPRESS(bp) != 0 ? "d" : "");
1900 }
1901 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n",
1902 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp));
1903 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n",
1904 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG",
1905 dmu_ot[BP_GET_TYPE(bp)].ot_name);
1906 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n",
1907 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp),
1908 (u_longlong_t)bp->blk_fill);
1909 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n",
1910 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1911 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name);
1912 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n",
1913 (u_longlong_t)bp->blk_cksum.zc_word[0],
1914 (u_longlong_t)bp->blk_cksum.zc_word[1],
1915 (u_longlong_t)bp->blk_cksum.zc_word[2],
1916 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1917}
1918
1919static void
1920zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
1921{
1922 int i;
1923
1924 for (i = 0; i < nbps; i++)
1925 zdb_print_blkptr(&bp[i], flags);
1926}
1927
1928static void
1929zdb_dump_gbh(void *buf, int flags)
1930{
1931 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
1932}
1933
1934static void
1935zdb_dump_block_raw(void *buf, uint64_t size, int flags)
1936{
1937 if (flags & ZDB_FLAG_BSWAP)
1938 byteswap_uint64_array(buf, size);
1939 (void) write(2, buf, size);
1940}
1941
1942static void
1943zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
1944{
1945 uint64_t *d = (uint64_t *)buf;
1946 int nwords = size / sizeof (uint64_t);
1947 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
1948 int i, j;
1949 char *hdr, *c;
1950
1951
1952 if (do_bswap)
1953 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
1954 else
1955 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
1956
1957 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
1958
1959 for (i = 0; i < nwords; i += 2) {
1960 (void) printf("%06llx: %016llx %016llx ",
1961 (u_longlong_t)(i * sizeof (uint64_t)),
1962 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
1963 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
1964
1965 c = (char *)&d[i];
1966 for (j = 0; j < 2 * sizeof (uint64_t); j++)
1967 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
1968 (void) printf("\n");
1969 }
1970}
1971
1972/*
1973 * There are two acceptable formats:
1974 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
1975 * child[.child]* - For example: 0.1.1
1976 *
1977 * The second form can be used to specify arbitrary vdevs anywhere
1978 * in the heirarchy. For example, in a pool with a mirror of
1979 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
1980 */
1981static vdev_t *
1982zdb_vdev_lookup(vdev_t *vdev, char *path)
1983{
1984 char *s, *p, *q;
1985 int i;
1986
1987 if (vdev == NULL)
1988 return (NULL);
1989
1990 /* First, assume the x.x.x.x format */
1991 i = (int)strtoul(path, &s, 10);
1992 if (s == path || (s && *s != '.' && *s != '\0'))
1993 goto name;
1994 if (i < 0 || i >= vdev->vdev_children)
1995 return (NULL);
1996
1997 vdev = vdev->vdev_child[i];
1998 if (*s == '\0')
1999 return (vdev);
2000 return (zdb_vdev_lookup(vdev, s+1));
2001
2002name:
2003 for (i = 0; i < vdev->vdev_children; i++) {
2004 vdev_t *vc = vdev->vdev_child[i];
2005
2006 if (vc->vdev_path == NULL) {
2007 vc = zdb_vdev_lookup(vc, path);
2008 if (vc == NULL)
2009 continue;
2010 else
2011 return (vc);
2012 }
2013
2014 p = strrchr(vc->vdev_path, '/');
2015 p = p ? p + 1 : vc->vdev_path;
2016 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2017
2018 if (strcmp(vc->vdev_path, path) == 0)
2019 return (vc);
2020 if (strcmp(p, path) == 0)
2021 return (vc);
2022 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2023 return (vc);
2024 }
2025
2026 return (NULL);
2027}
2028
2029/*
2030 * Read a block from a pool and print it out. The syntax of the
2031 * block descriptor is:
2032 *
2033 * pool:vdev_specifier:offset:size[:flags]
2034 *
2035 * pool - The name of the pool you wish to read from
2036 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2037 * offset - offset, in hex, in bytes
2038 * size - Amount of data to read, in hex, in bytes
2039 * flags - A string of characters specifying options
2040 * b: Decode a blkptr at given offset within block
2041 * *c: Calculate and display checksums
2042 * *d: Decompress data before dumping
2043 * e: Byteswap data before dumping
2044 * *g: Display data as a gang block header
2045 * *i: Display as an indirect block
2046 * p: Do I/O to physical offset
2047 * r: Dump raw data to stdout
2048 *
2049 * * = not yet implemented
2050 */
2051static void
2052zdb_read_block(char *thing, spa_t **spap)
2053{
2054 spa_t *spa = *spap;
2055 int flags = 0;
2056 uint64_t offset = 0, size = 0, blkptr_offset = 0;
2057 zio_t *zio;
2058 vdev_t *vd;
2059 void *buf;
b128c09f 2060 char *s, *p, *dup, *pool, *vdev, *flagstr;
34dc7c2f
BB		 2061 int i, error, zio_flags;
2062
2063 dup = strdup(thing);
2064 s = strtok(dup, ":");
b128c09f 2065 pool = s ? s : "";
34dc7c2f
BB		 2066 s = strtok(NULL, ":");
2067 vdev = s ? s : "";
2068 s = strtok(NULL, ":");
2069 offset = strtoull(s ? s : "", NULL, 16);
2070 s = strtok(NULL, ":");
2071 size = strtoull(s ? s : "", NULL, 16);
2072 s = strtok(NULL, ":");
2073 flagstr = s ? s : "";
2074
2075 s = NULL;
2076 if (size == 0)
2077 s = "size must not be zero";
2078 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2079 s = "size must be a multiple of sector size";
2080 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2081 s = "offset must be a multiple of sector size";
2082 if (s) {
2083 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2084 free(dup);
2085 return;
2086 }
2087
2088 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2089 for (i = 0; flagstr[i]; i++) {
2090 int bit = flagbits[(uchar_t)flagstr[i]];
2091
2092 if (bit == 0) {
2093 (void) printf("***Invalid flag: %c\n",
2094 flagstr[i]);
2095 continue;
2096 }
2097 flags |= bit;
2098
2099 /* If it's not something with an argument, keep going */
2100 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS |
2101 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2102 continue;
2103
2104 p = &flagstr[i + 1];
2105 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2106 blkptr_offset = strtoull(p, &p, 16);
2107 if (*p != ':' && *p != '\0') {
2108 (void) printf("***Invalid flag arg: '%s'\n", s);
2109 free(dup);
2110 return;
2111 }
2112 }
2113 }
2114
b128c09f
BB		 2115 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) {
2116 if (spa)
34dc7c2f 2117 spa_close(spa, (void *)zdb_read_block);
b128c09f 2118 error = spa_open(pool, spap, (void *)zdb_read_block);
34dc7c2f
BB		 2119 if (error)
2120 fatal("Failed to open pool '%s': %s",
b128c09f 2121 pool, strerror(error));
34dc7c2f
BB		 2122 spa = *spap;
2123 }
2124
2125 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2126 if (vd == NULL) {
2127 (void) printf("***Invalid vdev: %s\n", vdev);
2128 free(dup);
2129 return;
2130 } else {
2131 if (vd->vdev_path)
2132 (void) printf("Found vdev: %s\n", vd->vdev_path);
2133 else
2134 (void) printf("Found vdev type: %s\n",
2135 vd->vdev_ops->vdev_op_type);
2136 }
2137
2138 buf = umem_alloc(size, UMEM_NOFAIL);
2139
2140 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
b128c09f 2141 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY;
34dc7c2f 2142
b128c09f 2143 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
34dc7c2f
BB		 2144 zio = zio_root(spa, NULL, NULL, 0);
2145 /* XXX todo - cons up a BP so RAID-Z will be happy */
2146 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size,
2147 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL));
2148 error = zio_wait(zio);
b128c09f 2149 spa_config_exit(spa, SCL_STATE, FTAG);
34dc7c2f
BB		 2150
2151 if (error) {
2152 (void) printf("Read of %s failed, error: %d\n", thing, error);
2153 goto out;
2154 }
2155
2156 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2157 zdb_print_blkptr((blkptr_t *)(void *)
2158 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2159 else if (flags & ZDB_FLAG_RAW)
2160 zdb_dump_block_raw(buf, size, flags);
2161 else if (flags & ZDB_FLAG_INDIRECT)
2162 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2163 flags);
2164 else if (flags & ZDB_FLAG_GBH)
2165 zdb_dump_gbh(buf, flags);
2166 else
2167 zdb_dump_block(thing, buf, size, flags);
2168
2169out:
2170 umem_free(buf, size);
2171 free(dup);
2172}
2173
2174static boolean_t
2175nvlist_string_match(nvlist_t *config, char *name, char *tgt)
2176{
2177 char *s;
2178
b128c09f
BB		 2179 if (nvlist_lookup_string(config, name, &s) != 0)
2180 return (B_FALSE);
2181
34dc7c2f
BB		 2182 return (strcmp(s, tgt) == 0);
2183}
2184
2185static boolean_t
2186nvlist_uint64_match(nvlist_t *config, char *name, uint64_t tgt)
2187{
2188 uint64_t val;
2189
b128c09f
BB		 2190 if (nvlist_lookup_uint64(config, name, &val) != 0)
2191 return (B_FALSE);
2192
34dc7c2f
BB		 2193 return (val == tgt);
2194}
2195
2196static boolean_t
2197vdev_child_guid_match(nvlist_t *vdev, uint64_t guid)
2198{
2199 nvlist_t **child;
2200 uint_t c, children;
2201
2202 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2203 &child, &children) == 0);
2204 for (c = 0; c < children; ++c)
2205 if (nvlist_uint64_match(child[c], ZPOOL_CONFIG_GUID, guid))
2206 return (B_TRUE);
2207 return (B_FALSE);
2208}
2209
2210static boolean_t
2211vdev_child_string_match(nvlist_t *vdev, char *tgt)
2212{
2213 nvlist_t **child;
2214 uint_t c, children;
2215
2216 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2217 &child, &children) == 0);
2218 for (c = 0; c < children; ++c) {
2219 if (nvlist_string_match(child[c], ZPOOL_CONFIG_PATH, tgt) ||
2220 nvlist_string_match(child[c], ZPOOL_CONFIG_DEVID, tgt))
2221 return (B_TRUE);
2222 }
2223 return (B_FALSE);
2224}
2225
2226static boolean_t
2227vdev_guid_match(nvlist_t *config, uint64_t guid)
2228{
2229 nvlist_t *nvroot;
2230
2231 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2232 &nvroot) == 0);
2233
2234 return (nvlist_uint64_match(nvroot, ZPOOL_CONFIG_GUID, guid) ||
2235 vdev_child_guid_match(nvroot, guid));
2236}
2237
2238static boolean_t
2239vdev_string_match(nvlist_t *config, char *tgt)
2240{
2241 nvlist_t *nvroot;
2242
2243 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2244 &nvroot) == 0);
2245
2246 return (vdev_child_string_match(nvroot, tgt));
2247}
2248
2249static boolean_t
2250pool_match(nvlist_t *config, char *tgt)
2251{
2252 uint64_t guid = strtoull(tgt, NULL, 0);
2253
2254 if (guid != 0) {
2255 return (
2256 nvlist_uint64_match(config, ZPOOL_CONFIG_POOL_GUID, guid) ||
2257 vdev_guid_match(config, guid));
2258 } else {
2259 return (
2260 nvlist_string_match(config, ZPOOL_CONFIG_POOL_NAME, tgt) ||
2261 vdev_string_match(config, tgt));
2262 }
2263}
2264
2265static int
b128c09f 2266find_exported_zpool(char *pool_id, nvlist_t **configp, char *vdev_dir)
34dc7c2f
BB		 2267{
2268 nvlist_t *pools;
2269 int error = ENOENT;
2270 nvlist_t *match = NULL;
2271
2272 if (vdev_dir != NULL)
b128c09f 2273 pools = zpool_find_import_activeok(g_zfs, 1, &vdev_dir);
34dc7c2f 2274 else
b128c09f 2275 pools = zpool_find_import_activeok(g_zfs, 0, NULL);
34dc7c2f
BB		 2276
2277 if (pools != NULL) {
2278 nvpair_t *elem = NULL;
2279
2280 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2281 verify(nvpair_value_nvlist(elem, configp) == 0);
2282 if (pool_match(*configp, pool_id)) {
2283 if (match != NULL) {
2284 (void) fatal(
2285 "More than one matching pool - "
2286 "specify guid/devid/device path.");
2287 } else {
2288 match = *configp;
2289 error = 0;
2290 }
2291 }
2292 }
2293 }
2294
2295 *configp = error ? NULL : match;
2296
2297 return (error);
2298}
2299
2300int
2301main(int argc, char **argv)
2302{
2303 int i, c;
2304 struct rlimit rl = { 1024, 1024 };
2305 spa_t *spa;
2306 objset_t *os = NULL;
2307 char *endstr;
2308 int dump_all = 1;
2309 int verbose = 0;
2310 int error;
34dc7c2f
BB		 2311 int exported = 0;
2312 char *vdev_dir = NULL;
34dc7c2f
BB		 2313
2314 (void) setrlimit(RLIMIT_NOFILE, &rl);
2315 (void) enable_extended_FILE_stdio(-1, -1);
2316
2317 dprintf_setup(&argc, argv);
2318
9babb374 2319 while ((c = getopt(argc, argv, "udibcmsvCLS:U:lRep:t:")) != -1) {
34dc7c2f
BB		 2320 switch (c) {
2321 case 'u':
2322 case 'd':
2323 case 'i':
2324 case 'b':
2325 case 'c':
9babb374 2326 case 'm':
34dc7c2f
BB		 2327 case 's':
2328 case 'C':
2329 case 'l':
2330 case 'R':
2331 dump_opt[c]++;
2332 dump_all = 0;
2333 break;
fb5f0bc8
BB		 2334 case 'L':
2335 dump_opt[c]++;
2336 break;
34dc7c2f
BB		 2337 case 'v':
2338 verbose++;
2339 break;
2340 case 'U':
b128c09f 2341 spa_config_path = optarg;
34dc7c2f
BB		 2342 break;
2343 case 'e':
2344 exported = 1;
2345 break;
2346 case 'p':
2347 vdev_dir = optarg;
2348 break;
2349 case 'S':
2350 dump_opt[c]++;
2351 dump_all = 0;
2352 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0);
2353 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4))
2354 usage();
2355 endstr = strchr(optarg, ':') + 1;
2356 if (strcmp(endstr, "fletcher2") == 0)
2357 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2358 else if (strcmp(endstr, "fletcher4") == 0)
2359 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4;
2360 else if (strcmp(endstr, "sha256") == 0)
2361 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
2362 else if (strcmp(endstr, "all") == 0)
2363 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2364 else
2365 usage();
2366 break;
fb5f0bc8
BB		 2367 case 't':
2368 ub_max_txg = strtoull(optarg, NULL, 0);
2369 if (ub_max_txg < TXG_INITIAL) {
2370 (void) fprintf(stderr, "incorrect txg "
2371 "specified: %s\n", optarg);
2372 usage();
2373 }
2374 break;
34dc7c2f
BB		 2375 default:
2376 usage();
2377 break;
2378 }
2379 }
2380
b128c09f
BB		 2381 if (vdev_dir != NULL && exported == 0) {
2382 (void) fprintf(stderr, "-p option requires use of -e\n");
2383 usage();
2384 }
34dc7c2f
BB		 2385
2386 kernel_init(FREAD);
2387 g_zfs = libzfs_init();
2388 ASSERT(g_zfs != NULL);
2389
34dc7c2f 2390 for (c = 0; c < 256; c++) {
b128c09f 2391 if (dump_all && c != 'l' && c != 'R')
34dc7c2f
BB		 2392 dump_opt[c] = 1;
2393 if (dump_opt[c])
2394 dump_opt[c] += verbose;
2395 }
2396
2397 argc -= optind;
2398 argv += optind;
2399
2400 if (argc < 1) {
2401 if (dump_opt['C']) {
b128c09f 2402 dump_cachefile(spa_config_path);
34dc7c2f
BB		 2403 return (0);
2404 }
2405 usage();
2406 }
2407
2408 if (dump_opt['l']) {
2409 dump_label(argv[0]);
2410 return (0);
2411 }
2412
2413 if (dump_opt['R']) {
2414 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
2415 flagbits['c'] = ZDB_FLAG_CHECKSUM;
2416 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
2417 flagbits['e'] = ZDB_FLAG_BSWAP;
2418 flagbits['g'] = ZDB_FLAG_GBH;
2419 flagbits['i'] = ZDB_FLAG_INDIRECT;
2420 flagbits['p'] = ZDB_FLAG_PHYS;
2421 flagbits['r'] = ZDB_FLAG_RAW;
2422
2423 spa = NULL;
2424 while (argv[0]) {
2425 zdb_read_block(argv[0], &spa);
2426 argv++;
2427 argc--;
2428 }
2429 if (spa)
2430 spa_close(spa, (void *)zdb_read_block);
2431 return (0);
2432 }
2433
2434 if (dump_opt['C'])
2435 dump_config(argv[0]);
2436
b128c09f
BB		 2437 error = 0;
2438 if (exported) {
34dc7c2f
BB		 2439 /*
2440 * Check to see if the name refers to an exported zpool
2441 */
b128c09f 2442 char *slash;
34dc7c2f
BB		 2443 nvlist_t *exported_conf = NULL;
2444
b128c09f
BB		 2445 if ((slash = strchr(argv[0], '/')) != NULL)
2446 *slash = '\0';
2447
2448 error = find_exported_zpool(argv[0], &exported_conf, vdev_dir);
34dc7c2f
BB		 2449 if (error == 0) {
2450 nvlist_t *nvl = NULL;
2451
2452 if (vdev_dir != NULL) {
2453 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
2454 error = ENOMEM;
2455 else if (nvlist_add_string(nvl,
2456 zpool_prop_to_name(ZPOOL_PROP_ALTROOT),
2457 vdev_dir) != 0)
2458 error = ENOMEM;
2459 }
2460
2461 if (error == 0)
9babb374 2462 error = spa_import_verbatim(argv[0],
b128c09f 2463 exported_conf, nvl);
34dc7c2f
BB		 2464
2465 nvlist_free(nvl);
2466 }
b128c09f
BB		 2467
2468 if (slash != NULL)
2469 *slash = '/';
2470 }
2471
2472 if (error == 0) {
2473 if (strchr(argv[0], '/') != NULL) {
2474 error = dmu_objset_open(argv[0], DMU_OST_ANY,
2475 DS_MODE_USER | DS_MODE_READONLY, &os);
2476 } else {
2477 error = spa_open(argv[0], &spa, FTAG);
2478 }
34dc7c2f
BB		 2479 }
2480
2481 if (error)
2482 fatal("can't open %s: %s", argv[0], strerror(error));
2483
2484 argv++;
2485 if (--argc > 0) {
2486 zopt_objects = argc;
2487 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
2488 for (i = 0; i < zopt_objects; i++) {
2489 errno = 0;
2490 zopt_object[i] = strtoull(argv[i], NULL, 0);
2491 if (zopt_object[i] == 0 && errno != 0)
2492 fatal("bad object number %s: %s",
2493 argv[i], strerror(errno));
2494 }
2495 }
2496
2497 if (os != NULL) {
2498 dump_dir(os);
2499 dmu_objset_close(os);
2500 } else {
2501 dump_zpool(spa);
2502 spa_close(spa, FTAG);
2503 }
2504
2505 fuid_table_destroy();
2506
2507 libzfs_fini(g_zfs);
2508 kernel_fini();
2509
2510 return (0);
2511}
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