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 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
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>
53 #include <sys/arc.h>
54 #undef ZFS_MAXNAMELEN
55 #undef verify
56 #include <libzfs.h>
57 #include <sys/zio_crypt.h>
58
59 const char cmdname[] = "zdb";
60 uint8_t dump_opt[256];
61
62 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
63
64 extern void dump_intent_log(zilog_t *);
65 uint64_t *zopt_object = NULL;
66 int zopt_objects = 0;
67 libzfs_handle_t *g_zfs;
68 boolean_t zdb_sig_user_data = B_TRUE;
69 int zdb_sig_cksumalg = ZIO_CHECKSUM_FUNCTIONS - 1;
70
71 /*
72 * These libumem hooks provide a reasonable set of defaults for the allocator's
73 * debugging facilities.
74 */
75 const char *
76 _umem_debug_init()
77 {
78 return ("default,verbose"); /* $UMEM_DEBUG setting */
79 }
80
81 const char *
82 _umem_logging_init(void)
83 {
84 return ("fail,contents"); /* $UMEM_LOGGING setting */
85 }
86
87 static void
88 usage(void)
89 {
90 (void) fprintf(stderr,
91 "Usage: %s [-udibcsvL] [-U cachefile_path] [-t txg]\n"
92 "\t [-S user:cksumalg] "
93 "dataset [object...]\n"
94 " %s -C [pool]\n"
95 " %s -l dev\n"
96 " %s -R pool:vdev:offset:size:flags\n"
97 " %s [-p path_to_vdev_dir]\n"
98 " %s -e pool | GUID | devid ...\n",
99 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
100
101 (void) fprintf(stderr, " -u uberblock\n");
102 (void) fprintf(stderr, " -d datasets\n");
103 (void) fprintf(stderr, " -C cached pool configuration\n");
104 (void) fprintf(stderr, " -i intent logs\n");
105 (void) fprintf(stderr, " -b block statistics\n");
106 (void) fprintf(stderr, " -c checksum all data blocks\n");
107 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
108 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- "
109 "dump blkptr signatures\n");
110 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
111 (void) fprintf(stderr, " -l dump label contents\n");
112 (void) fprintf(stderr, " -L disable leak tracking (do not "
113 "load spacemaps)\n");
114 (void) fprintf(stderr, " -U cachefile_path -- use alternate "
115 "cachefile\n");
116 (void) fprintf(stderr, " -R read and display block from a "
117 "device\n");
118 (void) fprintf(stderr, " -e Pool is exported/destroyed/"
119 "has altroot\n");
120 (void) fprintf(stderr, " -p <Path to vdev dir> (use with -e)\n");
121 (void) fprintf(stderr, " -t <txg> highest txg to use when "
122 "searching for uberblocks\n");
123 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
124 "to make only that option verbose\n");
125 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
126 exit(1);
127 }
128
129 static void
130 fatal(const char *fmt, ...)
131 {
132 va_list ap;
133
134 va_start(ap, fmt);
135 (void) fprintf(stderr, "%s: ", cmdname);
136 (void) vfprintf(stderr, fmt, ap);
137 va_end(ap);
138 (void) fprintf(stderr, "\n");
139
140 abort();
141 }
142
143 static void
144 dump_nvlist(nvlist_t *list, int indent)
145 {
146 nvpair_t *elem = NULL;
147
148 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) {
149 switch (nvpair_type(elem)) {
150 case DATA_TYPE_STRING:
151 {
152 char *value;
153
154 VERIFY(nvpair_value_string(elem, &value) == 0);
155 (void) printf("%*s%s='%s'\n", indent, "",
156 nvpair_name(elem), value);
157 }
158 break;
159
160 case DATA_TYPE_UINT64:
161 {
162 uint64_t value;
163
164 VERIFY(nvpair_value_uint64(elem, &value) == 0);
165 (void) printf("%*s%s=%llu\n", indent, "",
166 nvpair_name(elem), (u_longlong_t)value);
167 }
168 break;
169
170 case DATA_TYPE_NVLIST:
171 {
172 nvlist_t *value;
173
174 VERIFY(nvpair_value_nvlist(elem, &value) == 0);
175 (void) printf("%*s%s\n", indent, "",
176 nvpair_name(elem));
177 dump_nvlist(value, indent + 4);
178 }
179 break;
180
181 case DATA_TYPE_NVLIST_ARRAY:
182 {
183 nvlist_t **value;
184 uint_t c, count;
185
186 VERIFY(nvpair_value_nvlist_array(elem, &value,
187 &count) == 0);
188
189 for (c = 0; c < count; c++) {
190 (void) printf("%*s%s[%u]\n", indent, "",
191 nvpair_name(elem), c);
192 dump_nvlist(value[c], indent + 8);
193 }
194 }
195 break;
196
197 default:
198
199 (void) printf("bad config type %d for %s\n",
200 nvpair_type(elem), nvpair_name(elem));
201 }
202 }
203 }
204
205 /* ARGSUSED */
206 static void
207 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
208 {
209 nvlist_t *nv;
210 size_t nvsize = *(uint64_t *)data;
211 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
212
213 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed));
214
215 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
216
217 umem_free(packed, nvsize);
218
219 dump_nvlist(nv, 8);
220
221 nvlist_free(nv);
222 }
223
224 const char dump_zap_stars[] = "****************************************";
225 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
226
227 static void
228 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
229 {
230 int i;
231 int minidx = ZAP_HISTOGRAM_SIZE - 1;
232 int maxidx = 0;
233 uint64_t max = 0;
234
235 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
236 if (histo[i] > max)
237 max = histo[i];
238 if (histo[i] > 0 && i > maxidx)
239 maxidx = i;
240 if (histo[i] > 0 && i < minidx)
241 minidx = i;
242 }
243
244 if (max < dump_zap_width)
245 max = dump_zap_width;
246
247 for (i = minidx; i <= maxidx; i++)
248 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
249 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
250 }
251
252 static void
253 dump_zap_stats(objset_t *os, uint64_t object)
254 {
255 int error;
256 zap_stats_t zs;
257
258 error = zap_get_stats(os, object, &zs);
259 if (error)
260 return;
261
262 if (zs.zs_ptrtbl_len == 0) {
263 ASSERT(zs.zs_num_blocks == 1);
264 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
265 (u_longlong_t)zs.zs_blocksize,
266 (u_longlong_t)zs.zs_num_entries);
267 return;
268 }
269
270 (void) printf("\tFat ZAP stats:\n");
271
272 (void) printf("\t\tPointer table:\n");
273 (void) printf("\t\t\t%llu elements\n",
274 (u_longlong_t)zs.zs_ptrtbl_len);
275 (void) printf("\t\t\tzt_blk: %llu\n",
276 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
277 (void) printf("\t\t\tzt_numblks: %llu\n",
278 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
279 (void) printf("\t\t\tzt_shift: %llu\n",
280 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
281 (void) printf("\t\t\tzt_blks_copied: %llu\n",
282 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
283 (void) printf("\t\t\tzt_nextblk: %llu\n",
284 (u_longlong_t)zs.zs_ptrtbl_nextblk);
285
286 (void) printf("\t\tZAP entries: %llu\n",
287 (u_longlong_t)zs.zs_num_entries);
288 (void) printf("\t\tLeaf blocks: %llu\n",
289 (u_longlong_t)zs.zs_num_leafs);
290 (void) printf("\t\tTotal blocks: %llu\n",
291 (u_longlong_t)zs.zs_num_blocks);
292 (void) printf("\t\tzap_block_type: 0x%llx\n",
293 (u_longlong_t)zs.zs_block_type);
294 (void) printf("\t\tzap_magic: 0x%llx\n",
295 (u_longlong_t)zs.zs_magic);
296 (void) printf("\t\tzap_salt: 0x%llx\n",
297 (u_longlong_t)zs.zs_salt);
298
299 (void) printf("\t\tLeafs with 2^n pointers:\n");
300 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
301
302 (void) printf("\t\tBlocks with n*5 entries:\n");
303 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
304
305 (void) printf("\t\tBlocks n/10 full:\n");
306 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
307
308 (void) printf("\t\tEntries with n chunks:\n");
309 dump_zap_histogram(zs.zs_entries_using_n_chunks);
310
311 (void) printf("\t\tBuckets with n entries:\n");
312 dump_zap_histogram(zs.zs_buckets_with_n_entries);
313 }
314
315 /*ARGSUSED*/
316 static void
317 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
318 {
319 }
320
321 /*ARGSUSED*/
322 void
323 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
324 {
325 }
326
327 /*ARGSUSED*/
328 static void
329 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
330 {
331 }
332
333 /*ARGSUSED*/
334 static void
335 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
336 {
337 zap_cursor_t zc;
338 zap_attribute_t attr;
339 void *prop;
340 int i;
341
342 dump_zap_stats(os, object);
343 (void) printf("\n");
344
345 for (zap_cursor_init(&zc, os, object);
346 zap_cursor_retrieve(&zc, &attr) == 0;
347 zap_cursor_advance(&zc)) {
348 (void) printf("\t\t%s = ", attr.za_name);
349 if (attr.za_num_integers == 0) {
350 (void) printf("\n");
351 continue;
352 }
353 prop = umem_zalloc(attr.za_num_integers *
354 attr.za_integer_length, UMEM_NOFAIL);
355 (void) zap_lookup(os, object, attr.za_name,
356 attr.za_integer_length, attr.za_num_integers, prop);
357 if (attr.za_integer_length == 1) {
358 (void) printf("%s", (char *)prop);
359 } else {
360 for (i = 0; i < attr.za_num_integers; i++) {
361 switch (attr.za_integer_length) {
362 case 2:
363 (void) printf("%u ",
364 ((uint16_t *)prop)[i]);
365 break;
366 case 4:
367 (void) printf("%u ",
368 ((uint32_t *)prop)[i]);
369 break;
370 case 8:
371 (void) printf("%lld ",
372 (u_longlong_t)((int64_t *)prop)[i]);
373 break;
374 }
375 }
376 }
377 (void) printf("\n");
378 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
379 }
380 zap_cursor_fini(&zc);
381 }
382
383 /*ARGSUSED*/
384 static void
385 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
386 {
387 zap_cursor_t zc;
388 zap_attribute_t attr;
389 const char *typenames[] = {
390 /* 0 */ "not specified",
391 /* 1 */ "FIFO",
392 /* 2 */ "Character Device",
393 /* 3 */ "3 (invalid)",
394 /* 4 */ "Directory",
395 /* 5 */ "5 (invalid)",
396 /* 6 */ "Block Device",
397 /* 7 */ "7 (invalid)",
398 /* 8 */ "Regular File",
399 /* 9 */ "9 (invalid)",
400 /* 10 */ "Symbolic Link",
401 /* 11 */ "11 (invalid)",
402 /* 12 */ "Socket",
403 /* 13 */ "Door",
404 /* 14 */ "Event Port",
405 /* 15 */ "15 (invalid)",
406 };
407
408 dump_zap_stats(os, object);
409 (void) printf("\n");
410
411 for (zap_cursor_init(&zc, os, object);
412 zap_cursor_retrieve(&zc, &attr) == 0;
413 zap_cursor_advance(&zc)) {
414 (void) printf("\t\t%s = %lld (type: %s)\n",
415 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
416 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
417 }
418 zap_cursor_fini(&zc);
419 }
420
421 static void
422 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
423 {
424 uint64_t alloc, offset, entry;
425 uint8_t mapshift = sm->sm_shift;
426 uint64_t mapstart = sm->sm_start;
427 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
428 "INVALID", "INVALID", "INVALID", "INVALID" };
429
430 if (smo->smo_object == 0)
431 return;
432
433 /*
434 * Print out the freelist entries in both encoded and decoded form.
435 */
436 alloc = 0;
437 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
438 VERIFY(0 == dmu_read(os, smo->smo_object, offset,
439 sizeof (entry), &entry));
440 if (SM_DEBUG_DECODE(entry)) {
441 (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n",
442 (u_longlong_t)(offset / sizeof (entry)),
443 ddata[SM_DEBUG_ACTION_DECODE(entry)],
444 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
445 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
446 } else {
447 (void) printf("\t\t[%4llu] %c range:"
448 " %08llx-%08llx size: %06llx\n",
449 (u_longlong_t)(offset / sizeof (entry)),
450 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
451 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
452 mapshift) + mapstart),
453 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
454 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
455 mapshift)),
456 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
457 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
458 alloc += SM_RUN_DECODE(entry) << mapshift;
459 else
460 alloc -= SM_RUN_DECODE(entry) << mapshift;
461 }
462 }
463 if (alloc != smo->smo_alloc) {
464 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
465 "with space map summary (%llu)\n",
466 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
467 }
468 }
469
470 static void
471 dump_metaslab(metaslab_t *msp)
472 {
473 char freebuf[5];
474 space_map_obj_t *smo = &msp->ms_smo;
475 vdev_t *vd = msp->ms_group->mg_vd;
476 spa_t *spa = vd->vdev_spa;
477
478 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf);
479
480 if (dump_opt['d'] <= 5) {
481 (void) printf("\t%10llx %10llu %5s\n",
482 (u_longlong_t)msp->ms_map.sm_start,
483 (u_longlong_t)smo->smo_object,
484 freebuf);
485 return;
486 }
487
488 (void) printf(
489 "\tvdev %llu offset %08llx spacemap %4llu free %5s\n",
490 (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start,
491 (u_longlong_t)smo->smo_object, freebuf);
492
493 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift));
494
495 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map);
496 }
497
498 static void
499 dump_metaslabs(spa_t *spa)
500 {
501 vdev_t *rvd = spa->spa_root_vdev;
502 vdev_t *vd;
503 int c, m;
504
505 (void) printf("\nMetaslabs:\n");
506
507 for (c = 0; c < rvd->vdev_children; c++) {
508 vd = rvd->vdev_child[c];
509
510 (void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id);
511
512 if (dump_opt['d'] <= 5) {
513 (void) printf("\t%10s %10s %5s\n",
514 "offset", "spacemap", "free");
515 (void) printf("\t%10s %10s %5s\n",
516 "------", "--------", "----");
517 }
518 for (m = 0; m < vd->vdev_ms_count; m++)
519 dump_metaslab(vd->vdev_ms[m]);
520 (void) printf("\n");
521 }
522 }
523
524 static void
525 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
526 {
527 char *prefix = (void *)sm;
528
529 (void) printf("%s [%llu,%llu) length %llu\n",
530 prefix,
531 (u_longlong_t)start,
532 (u_longlong_t)(start + size),
533 (u_longlong_t)(size));
534 }
535
536 static void
537 dump_dtl(vdev_t *vd, int indent)
538 {
539 spa_t *spa = vd->vdev_spa;
540 boolean_t required;
541 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
542 char prefix[256];
543
544 spa_vdev_state_enter(spa);
545 required = vdev_dtl_required(vd);
546 (void) spa_vdev_state_exit(spa, NULL, 0);
547
548 if (indent == 0)
549 (void) printf("\nDirty time logs:\n\n");
550
551 (void) printf("\t%*s%s [%s]\n", indent, "",
552 vd->vdev_path ? vd->vdev_path :
553 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
554 required ? "DTL-required" : "DTL-expendable");
555
556 for (int t = 0; t < DTL_TYPES; t++) {
557 space_map_t *sm = &vd->vdev_dtl[t];
558 if (sm->sm_space == 0)
559 continue;
560 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
561 indent + 2, "", name[t]);
562 mutex_enter(sm->sm_lock);
563 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
564 mutex_exit(sm->sm_lock);
565 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
566 dump_spacemap(spa->spa_meta_objset,
567 &vd->vdev_dtl_smo, sm);
568 }
569
570 for (int c = 0; c < vd->vdev_children; c++)
571 dump_dtl(vd->vdev_child[c], indent + 4);
572 }
573
574 /*ARGSUSED*/
575 static void
576 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
577 {
578 }
579
580 static uint64_t
581 blkid2offset(const dnode_phys_t *dnp, int level, uint64_t blkid)
582 {
583 if (level < 0)
584 return (blkid);
585
586 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
587 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
588 }
589
590 static void
591 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas)
592 {
593 dva_t *dva = bp->blk_dva;
594 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1;
595 int i;
596
597 blkbuf[0] = '\0';
598
599 for (i = 0; i < ndvas; i++)
600 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
601 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
602 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
603 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
604
605 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu",
606 (u_longlong_t)BP_GET_LSIZE(bp),
607 (u_longlong_t)BP_GET_PSIZE(bp),
608 (u_longlong_t)bp->blk_fill,
609 (u_longlong_t)bp->blk_birth);
610 }
611
612 static void
613 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
614 const dnode_phys_t *dnp)
615 {
616 char blkbuf[BP_SPRINTF_LEN];
617 int l;
618
619 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
620 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
621
622 (void) printf("%16llx ",
623 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid));
624
625 ASSERT(zb->zb_level >= 0);
626
627 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
628 if (l == zb->zb_level) {
629 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
630 } else {
631 (void) printf(" ");
632 }
633 }
634
635 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
636 (void) printf("%s\n", blkbuf);
637 }
638
639 #define SET_BOOKMARK(zb, objset, object, level, blkid) \
640 { \
641 (zb)->zb_objset = objset; \
642 (zb)->zb_object = object; \
643 (zb)->zb_level = level; \
644 (zb)->zb_blkid = blkid; \
645 }
646
647 static int
648 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
649 blkptr_t *bp, const zbookmark_t *zb)
650 {
651 int err;
652
653 if (bp->blk_birth == 0)
654 return (0);
655
656 print_indirect(bp, zb, dnp);
657
658 if (BP_GET_LEVEL(bp) > 0) {
659 uint32_t flags = ARC_WAIT;
660 int i;
661 blkptr_t *cbp;
662 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
663 arc_buf_t *buf;
664 uint64_t fill = 0;
665
666 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
667 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
668 if (err)
669 return (err);
670
671 /* recursively visit blocks below this */
672 cbp = buf->b_data;
673 for (i = 0; i < epb; i++, cbp++) {
674 zbookmark_t czb;
675
676 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
677 zb->zb_level - 1,
678 zb->zb_blkid * epb + i);
679 err = visit_indirect(spa, dnp, cbp, &czb);
680 if (err)
681 break;
682 fill += cbp->blk_fill;
683 }
684 if (!err)
685 ASSERT3U(fill, ==, bp->blk_fill);
686 (void) arc_buf_remove_ref(buf, &buf);
687 }
688
689 return (err);
690 }
691
692 /*ARGSUSED*/
693 static void
694 dump_indirect(dnode_t *dn)
695 {
696 dnode_phys_t *dnp = dn->dn_phys;
697 int j;
698 zbookmark_t czb;
699
700 (void) printf("Indirect blocks:\n");
701
702 SET_BOOKMARK(&czb, dmu_objset_id(&dn->dn_objset->os),
703 dn->dn_object, dnp->dn_nlevels - 1, 0);
704 for (j = 0; j < dnp->dn_nblkptr; j++) {
705 czb.zb_blkid = j;
706 (void) visit_indirect(dmu_objset_spa(&dn->dn_objset->os), dnp,
707 &dnp->dn_blkptr[j], &czb);
708 }
709
710 (void) printf("\n");
711 }
712
713 /*ARGSUSED*/
714 static void
715 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
716 {
717 dsl_dir_phys_t *dd = data;
718 time_t crtime;
719 char nice[6];
720
721 if (dd == NULL)
722 return;
723
724 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
725
726 crtime = dd->dd_creation_time;
727 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
728 (void) printf("\t\thead_dataset_obj = %llu\n",
729 (u_longlong_t)dd->dd_head_dataset_obj);
730 (void) printf("\t\tparent_dir_obj = %llu\n",
731 (u_longlong_t)dd->dd_parent_obj);
732 (void) printf("\t\torigin_obj = %llu\n",
733 (u_longlong_t)dd->dd_origin_obj);
734 (void) printf("\t\tchild_dir_zapobj = %llu\n",
735 (u_longlong_t)dd->dd_child_dir_zapobj);
736 nicenum(dd->dd_used_bytes, nice);
737 (void) printf("\t\tused_bytes = %s\n", nice);
738 nicenum(dd->dd_compressed_bytes, nice);
739 (void) printf("\t\tcompressed_bytes = %s\n", nice);
740 nicenum(dd->dd_uncompressed_bytes, nice);
741 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
742 nicenum(dd->dd_quota, nice);
743 (void) printf("\t\tquota = %s\n", nice);
744 nicenum(dd->dd_reserved, nice);
745 (void) printf("\t\treserved = %s\n", nice);
746 (void) printf("\t\tprops_zapobj = %llu\n",
747 (u_longlong_t)dd->dd_props_zapobj);
748 (void) printf("\t\tdeleg_zapobj = %llu\n",
749 (u_longlong_t)dd->dd_deleg_zapobj);
750 (void) printf("\t\tflags = %llx\n",
751 (u_longlong_t)dd->dd_flags);
752
753 #define DO(which) \
754 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
755 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
756 DO(HEAD);
757 DO(SNAP);
758 DO(CHILD);
759 DO(CHILD_RSRV);
760 DO(REFRSRV);
761 #undef DO
762 }
763
764 /*ARGSUSED*/
765 static void
766 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
767 {
768 dsl_dataset_phys_t *ds = data;
769 time_t crtime;
770 char used[6], compressed[6], uncompressed[6], unique[6];
771 char blkbuf[BP_SPRINTF_LEN];
772
773 if (ds == NULL)
774 return;
775
776 ASSERT(size == sizeof (*ds));
777 crtime = ds->ds_creation_time;
778 nicenum(ds->ds_used_bytes, used);
779 nicenum(ds->ds_compressed_bytes, compressed);
780 nicenum(ds->ds_uncompressed_bytes, uncompressed);
781 nicenum(ds->ds_unique_bytes, unique);
782 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp);
783
784 (void) printf("\t\tdir_obj = %llu\n",
785 (u_longlong_t)ds->ds_dir_obj);
786 (void) printf("\t\tprev_snap_obj = %llu\n",
787 (u_longlong_t)ds->ds_prev_snap_obj);
788 (void) printf("\t\tprev_snap_txg = %llu\n",
789 (u_longlong_t)ds->ds_prev_snap_txg);
790 (void) printf("\t\tnext_snap_obj = %llu\n",
791 (u_longlong_t)ds->ds_next_snap_obj);
792 (void) printf("\t\tsnapnames_zapobj = %llu\n",
793 (u_longlong_t)ds->ds_snapnames_zapobj);
794 (void) printf("\t\tnum_children = %llu\n",
795 (u_longlong_t)ds->ds_num_children);
796 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
797 (void) printf("\t\tcreation_txg = %llu\n",
798 (u_longlong_t)ds->ds_creation_txg);
799 (void) printf("\t\tdeadlist_obj = %llu\n",
800 (u_longlong_t)ds->ds_deadlist_obj);
801 (void) printf("\t\tused_bytes = %s\n", used);
802 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
803 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
804 (void) printf("\t\tunique = %s\n", unique);
805 (void) printf("\t\tfsid_guid = %llu\n",
806 (u_longlong_t)ds->ds_fsid_guid);
807 (void) printf("\t\tguid = %llu\n",
808 (u_longlong_t)ds->ds_guid);
809 (void) printf("\t\tflags = %llx\n",
810 (u_longlong_t)ds->ds_flags);
811 (void) printf("\t\tnext_clones_obj = %llu\n",
812 (u_longlong_t)ds->ds_next_clones_obj);
813 (void) printf("\t\tprops_obj = %llu\n",
814 (u_longlong_t)ds->ds_props_obj);
815 (void) printf("\t\tbp = %s\n", blkbuf);
816 }
817
818 static void
819 dump_bplist(objset_t *mos, uint64_t object, char *name)
820 {
821 bplist_t bpl = { 0 };
822 blkptr_t blk, *bp = &blk;
823 uint64_t itor = 0;
824 char bytes[6];
825 char comp[6];
826 char uncomp[6];
827
828 if (dump_opt['d'] < 3)
829 return;
830
831 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL);
832 VERIFY(0 == bplist_open(&bpl, mos, object));
833 if (bplist_empty(&bpl)) {
834 bplist_close(&bpl);
835 mutex_destroy(&bpl.bpl_lock);
836 return;
837 }
838
839 nicenum(bpl.bpl_phys->bpl_bytes, bytes);
840 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) {
841 nicenum(bpl.bpl_phys->bpl_comp, comp);
842 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp);
843 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n",
844 name, (u_longlong_t)bpl.bpl_phys->bpl_entries,
845 bytes, comp, uncomp);
846 } else {
847 (void) printf("\n %s: %llu entries, %s\n",
848 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes);
849 }
850
851 if (dump_opt['d'] < 5) {
852 bplist_close(&bpl);
853 mutex_destroy(&bpl.bpl_lock);
854 return;
855 }
856
857 (void) printf("\n");
858
859 while (bplist_iterate(&bpl, &itor, bp) == 0) {
860 char blkbuf[BP_SPRINTF_LEN];
861
862 ASSERT(bp->blk_birth != 0);
863 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0);
864 (void) printf("\tItem %3llu: %s\n",
865 (u_longlong_t)itor - 1, blkbuf);
866 }
867
868 bplist_close(&bpl);
869 mutex_destroy(&bpl.bpl_lock);
870 }
871
872 static avl_tree_t idx_tree;
873 static avl_tree_t domain_tree;
874 static boolean_t fuid_table_loaded;
875
876 static void
877 fuid_table_destroy()
878 {
879 if (fuid_table_loaded) {
880 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
881 fuid_table_loaded = B_FALSE;
882 }
883 }
884
885 /*
886 * print uid or gid information.
887 * For normal POSIX id just the id is printed in decimal format.
888 * For CIFS files with FUID the fuid is printed in hex followed by
889 * the doman-rid string.
890 */
891 static void
892 print_idstr(uint64_t id, const char *id_type)
893 {
894 if (FUID_INDEX(id)) {
895 char *domain;
896
897 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
898 (void) printf("\t%s %llx [%s-%d]\n", id_type,
899 (u_longlong_t)id, domain, (int)FUID_RID(id));
900 } else {
901 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
902 }
903
904 }
905
906 static void
907 dump_uidgid(objset_t *os, znode_phys_t *zp)
908 {
909 uint32_t uid_idx, gid_idx;
910
911 uid_idx = FUID_INDEX(zp->zp_uid);
912 gid_idx = FUID_INDEX(zp->zp_gid);
913
914 /* Load domain table, if not already loaded */
915 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
916 uint64_t fuid_obj;
917
918 /* first find the fuid object. It lives in the master node */
919 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
920 8, 1, &fuid_obj) == 0);
921 (void) zfs_fuid_table_load(os, fuid_obj,
922 &idx_tree, &domain_tree);
923 fuid_table_loaded = B_TRUE;
924 }
925
926 print_idstr(zp->zp_uid, "uid");
927 print_idstr(zp->zp_gid, "gid");
928 }
929
930 /*ARGSUSED*/
931 static void
932 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
933 {
934 znode_phys_t *zp = data;
935 time_t z_crtime, z_atime, z_mtime, z_ctime;
936 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
937 int error;
938
939 ASSERT(size >= sizeof (znode_phys_t));
940
941 error = zfs_obj_to_path(os, object, path, sizeof (path));
942 if (error != 0) {
943 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
944 (u_longlong_t)object);
945 }
946
947 if (dump_opt['d'] < 3) {
948 (void) printf("\t%s\n", path);
949 return;
950 }
951
952 z_crtime = (time_t)zp->zp_crtime[0];
953 z_atime = (time_t)zp->zp_atime[0];
954 z_mtime = (time_t)zp->zp_mtime[0];
955 z_ctime = (time_t)zp->zp_ctime[0];
956
957 (void) printf("\tpath %s\n", path);
958 dump_uidgid(os, zp);
959 (void) printf("\tatime %s", ctime(&z_atime));
960 (void) printf("\tmtime %s", ctime(&z_mtime));
961 (void) printf("\tctime %s", ctime(&z_ctime));
962 (void) printf("\tcrtime %s", ctime(&z_crtime));
963 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen);
964 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode);
965 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size);
966 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent);
967 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links);
968 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr);
969 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev);
970 }
971
972 /*ARGSUSED*/
973 static void
974 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
975 {
976 }
977
978 /*ARGSUSED*/
979 static void
980 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
981 {
982 }
983
984 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = {
985 dump_none, /* unallocated */
986 dump_zap, /* object directory */
987 dump_uint64, /* object array */
988 dump_none, /* packed nvlist */
989 dump_packed_nvlist, /* packed nvlist size */
990 dump_none, /* bplist */
991 dump_none, /* bplist header */
992 dump_none, /* SPA space map header */
993 dump_none, /* SPA space map */
994 dump_none, /* ZIL intent log */
995 dump_dnode, /* DMU dnode */
996 dump_dmu_objset, /* DMU objset */
997 dump_dsl_dir, /* DSL directory */
998 dump_zap, /* DSL directory child map */
999 dump_zap, /* DSL dataset snap map */
1000 dump_zap, /* DSL props */
1001 dump_dsl_dataset, /* DSL dataset */
1002 dump_znode, /* ZFS znode */
1003 dump_acl, /* ZFS V0 ACL */
1004 dump_uint8, /* ZFS plain file */
1005 dump_zpldir, /* ZFS directory */
1006 dump_zap, /* ZFS master node */
1007 dump_zap, /* ZFS delete queue */
1008 dump_uint8, /* zvol object */
1009 dump_zap, /* zvol prop */
1010 dump_uint8, /* other uint8[] */
1011 dump_uint64, /* other uint64[] */
1012 dump_zap, /* other ZAP */
1013 dump_zap, /* persistent error log */
1014 dump_uint8, /* SPA history */
1015 dump_uint64, /* SPA history offsets */
1016 dump_zap, /* Pool properties */
1017 dump_zap, /* DSL permissions */
1018 dump_acl, /* ZFS ACL */
1019 dump_uint8, /* ZFS SYSACL */
1020 dump_none, /* FUID nvlist */
1021 dump_packed_nvlist, /* FUID nvlist size */
1022 dump_zap, /* DSL dataset next clones */
1023 dump_zap, /* DSL scrub queue */
1024 };
1025
1026 static void
1027 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1028 {
1029 dmu_buf_t *db = NULL;
1030 dmu_object_info_t doi;
1031 dnode_t *dn;
1032 void *bonus = NULL;
1033 size_t bsize = 0;
1034 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6];
1035 char aux[50];
1036 int error;
1037
1038 if (*print_header) {
1039 (void) printf("\n Object lvl iblk dblk lsize"
1040 " asize type\n");
1041 *print_header = 0;
1042 }
1043
1044 if (object == 0) {
1045 dn = os->os->os_meta_dnode;
1046 } else {
1047 error = dmu_bonus_hold(os, object, FTAG, &db);
1048 if (error)
1049 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1050 object, error);
1051 bonus = db->db_data;
1052 bsize = db->db_size;
1053 dn = ((dmu_buf_impl_t *)db)->db_dnode;
1054 }
1055 dmu_object_info_from_dnode(dn, &doi);
1056
1057 nicenum(doi.doi_metadata_block_size, iblk);
1058 nicenum(doi.doi_data_block_size, dblk);
1059 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1),
1060 lsize);
1061 nicenum(doi.doi_physical_blks << 9, asize);
1062 nicenum(doi.doi_bonus_size, bonus_size);
1063
1064 aux[0] = '\0';
1065
1066 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1067 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1068 zio_checksum_table[doi.doi_checksum].ci_name);
1069 }
1070
1071 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1072 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1073 zio_compress_table[doi.doi_compress].ci_name);
1074 }
1075
1076 if (doi.doi_crypt != ZIO_CRYPT_INHERIT || verbosity >= 6) {
1077 (void) snprintf(aux + strlen(aux), sizeof (aux), " (E=%s)",
1078 zio_crypt_table[doi.doi_crypt].ci_name);
1079 }
1080
1081 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n",
1082 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize,
1083 asize, dmu_ot[doi.doi_type].ot_name, aux);
1084
1085 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1086 (void) printf("%10s %3s %5s %5s %5s %5s %s\n",
1087 "", "", "", "", bonus_size, "bonus",
1088 dmu_ot[doi.doi_bonus_type].ot_name);
1089 }
1090
1091 if (verbosity >= 4) {
1092 object_viewer[doi.doi_bonus_type](os, object, bonus, bsize);
1093 object_viewer[doi.doi_type](os, object, NULL, 0);
1094 *print_header = 1;
1095 }
1096
1097 if (verbosity >= 5)
1098 dump_indirect(dn);
1099
1100 if (verbosity >= 5) {
1101 /*
1102 * Report the list of segments that comprise the object.
1103 */
1104 uint64_t start = 0;
1105 uint64_t end;
1106 uint64_t blkfill = 1;
1107 int minlvl = 1;
1108
1109 if (dn->dn_type == DMU_OT_DNODE) {
1110 minlvl = 0;
1111 blkfill = DNODES_PER_BLOCK;
1112 }
1113
1114 for (;;) {
1115 error = dnode_next_offset(dn,
1116 0, &start, minlvl, blkfill, 0);
1117 if (error)
1118 break;
1119 end = start;
1120 error = dnode_next_offset(dn,
1121 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1122 nicenum(end - start, segsize);
1123 (void) printf("\t\tsegment [%016llx, %016llx)"
1124 " size %5s\n", (u_longlong_t)start,
1125 (u_longlong_t)end, segsize);
1126 if (error)
1127 break;
1128 start = end;
1129 }
1130 }
1131
1132 if (db != NULL)
1133 dmu_buf_rele(db, FTAG);
1134 }
1135
1136 static char *objset_types[DMU_OST_NUMTYPES] = {
1137 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1138
1139 static void
1140 dump_dir(objset_t *os)
1141 {
1142 dmu_objset_stats_t dds;
1143 uint64_t object, object_count;
1144 uint64_t refdbytes, usedobjs, scratch;
1145 char numbuf[8];
1146 char blkbuf[BP_SPRINTF_LEN];
1147 char osname[MAXNAMELEN];
1148 char *type = "UNKNOWN";
1149 int verbosity = dump_opt['d'];
1150 int print_header = 1;
1151 int i, error;
1152
1153 dmu_objset_fast_stat(os, &dds);
1154
1155 if (dds.dds_type < DMU_OST_NUMTYPES)
1156 type = objset_types[dds.dds_type];
1157
1158 if (dds.dds_type == DMU_OST_META) {
1159 dds.dds_creation_txg = TXG_INITIAL;
1160 usedobjs = os->os->os_rootbp->blk_fill;
1161 refdbytes = os->os->os_spa->spa_dsl_pool->
1162 dp_mos_dir->dd_phys->dd_used_bytes;
1163 } else {
1164 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1165 }
1166
1167 ASSERT3U(usedobjs, ==, os->os->os_rootbp->blk_fill);
1168
1169 nicenum(refdbytes, numbuf);
1170
1171 if (verbosity >= 4) {
1172 (void) strcpy(blkbuf, ", rootbp ");
1173 sprintf_blkptr(blkbuf + strlen(blkbuf),
1174 BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp);
1175 } else {
1176 blkbuf[0] = '\0';
1177 }
1178
1179 dmu_objset_name(os, osname);
1180
1181 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1182 "%s, %llu objects%s\n",
1183 osname, type, (u_longlong_t)dmu_objset_id(os),
1184 (u_longlong_t)dds.dds_creation_txg,
1185 numbuf, (u_longlong_t)usedobjs, blkbuf);
1186
1187 dump_intent_log(dmu_objset_zil(os));
1188
1189 if (dmu_objset_ds(os) != NULL)
1190 dump_bplist(dmu_objset_pool(os)->dp_meta_objset,
1191 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist");
1192
1193 if (verbosity < 2)
1194 return;
1195
1196 if (os->os->os_rootbp->blk_birth == 0)
1197 return;
1198
1199 if (zopt_objects != 0) {
1200 for (i = 0; i < zopt_objects; i++)
1201 dump_object(os, zopt_object[i], verbosity,
1202 &print_header);
1203 (void) printf("\n");
1204 return;
1205 }
1206
1207 dump_object(os, 0, verbosity, &print_header);
1208 object_count = 1;
1209
1210 object = 0;
1211 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1212 dump_object(os, object, verbosity, &print_header);
1213 object_count++;
1214 }
1215
1216 ASSERT3U(object_count, ==, usedobjs);
1217
1218 (void) printf("\n");
1219
1220 if (error != ESRCH)
1221 fatal("dmu_object_next() = %d", error);
1222 }
1223
1224 static void
1225 dump_uberblock(uberblock_t *ub)
1226 {
1227 time_t timestamp = ub->ub_timestamp;
1228
1229 (void) printf("Uberblock\n\n");
1230 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1231 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1232 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1233 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1234 (void) printf("\ttimestamp = %llu UTC = %s",
1235 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1236 if (dump_opt['u'] >= 3) {
1237 char blkbuf[BP_SPRINTF_LEN];
1238 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp);
1239 (void) printf("\trootbp = %s\n", blkbuf);
1240 }
1241 (void) printf("\n");
1242 }
1243
1244 static void
1245 dump_config(const char *pool)
1246 {
1247 spa_t *spa = NULL;
1248
1249 mutex_enter(&spa_namespace_lock);
1250 while ((spa = spa_next(spa)) != NULL) {
1251 if (pool == NULL)
1252 (void) printf("%s\n", spa_name(spa));
1253 if (pool == NULL || strcmp(pool, spa_name(spa)) == 0)
1254 dump_nvlist(spa->spa_config, 4);
1255 }
1256 mutex_exit(&spa_namespace_lock);
1257 }
1258
1259 static void
1260 dump_cachefile(const char *cachefile)
1261 {
1262 int fd;
1263 struct stat64 statbuf;
1264 char *buf;
1265 nvlist_t *config;
1266
1267 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1268 (void) printf("cannot open '%s': %s\n", cachefile,
1269 strerror(errno));
1270 exit(1);
1271 }
1272
1273 if (fstat64(fd, &statbuf) != 0) {
1274 (void) printf("failed to stat '%s': %s\n", cachefile,
1275 strerror(errno));
1276 exit(1);
1277 }
1278
1279 if ((buf = malloc(statbuf.st_size)) == NULL) {
1280 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1281 (u_longlong_t)statbuf.st_size);
1282 exit(1);
1283 }
1284
1285 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1286 (void) fprintf(stderr, "failed to read %llu bytes\n",
1287 (u_longlong_t)statbuf.st_size);
1288 exit(1);
1289 }
1290
1291 (void) close(fd);
1292
1293 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1294 (void) fprintf(stderr, "failed to unpack nvlist\n");
1295 exit(1);
1296 }
1297
1298 free(buf);
1299
1300 dump_nvlist(config, 0);
1301
1302 nvlist_free(config);
1303 }
1304
1305 static void
1306 dump_label(const char *dev)
1307 {
1308 int fd;
1309 vdev_label_t label;
1310 char *buf = label.vl_vdev_phys.vp_nvlist;
1311 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1312 struct stat64 statbuf;
1313 uint64_t psize;
1314 int l;
1315
1316 if ((fd = open64(dev, O_RDONLY)) < 0) {
1317 (void) printf("cannot open '%s': %s\n", dev, strerror(errno));
1318 exit(1);
1319 }
1320
1321 if (fstat64(fd, &statbuf) != 0) {
1322 (void) printf("failed to stat '%s': %s\n", dev,
1323 strerror(errno));
1324 exit(1);
1325 }
1326
1327 psize = statbuf.st_size;
1328 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1329
1330 for (l = 0; l < VDEV_LABELS; l++) {
1331
1332 nvlist_t *config = NULL;
1333
1334 (void) printf("--------------------------------------------\n");
1335 (void) printf("LABEL %d\n", l);
1336 (void) printf("--------------------------------------------\n");
1337
1338 if (pread64(fd, &label, sizeof (label),
1339 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1340 (void) printf("failed to read label %d\n", l);
1341 continue;
1342 }
1343
1344 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1345 (void) printf("failed to unpack label %d\n", l);
1346 continue;
1347 }
1348 dump_nvlist(config, 4);
1349 nvlist_free(config);
1350 }
1351 }
1352
1353 /*ARGSUSED*/
1354 static int
1355 dump_one_dir(char *dsname, void *arg)
1356 {
1357 int error;
1358 objset_t *os;
1359
1360 error = dmu_objset_open(dsname, DMU_OST_ANY,
1361 DS_MODE_USER | DS_MODE_READONLY, &os);
1362 if (error) {
1363 (void) printf("Could not open %s\n", dsname);
1364 return (0);
1365 }
1366 dump_dir(os);
1367 dmu_objset_close(os);
1368 fuid_table_destroy();
1369 return (0);
1370 }
1371
1372 static void
1373 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
1374 {
1375 vdev_t *vd = sm->sm_ppd;
1376
1377 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
1378 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
1379 }
1380
1381 /* ARGSUSED */
1382 static void
1383 zdb_space_map_load(space_map_t *sm)
1384 {
1385 }
1386
1387 static void
1388 zdb_space_map_unload(space_map_t *sm)
1389 {
1390 space_map_vacate(sm, zdb_leak, sm);
1391 }
1392
1393 /* ARGSUSED */
1394 static void
1395 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
1396 {
1397 }
1398
1399 static space_map_ops_t zdb_space_map_ops = {
1400 zdb_space_map_load,
1401 zdb_space_map_unload,
1402 NULL, /* alloc */
1403 zdb_space_map_claim,
1404 NULL /* free */
1405 };
1406
1407 static void
1408 zdb_leak_init(spa_t *spa)
1409 {
1410 vdev_t *rvd = spa->spa_root_vdev;
1411
1412 for (int c = 0; c < rvd->vdev_children; c++) {
1413 vdev_t *vd = rvd->vdev_child[c];
1414 for (int m = 0; m < vd->vdev_ms_count; m++) {
1415 metaslab_t *msp = vd->vdev_ms[m];
1416 mutex_enter(&msp->ms_lock);
1417 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops,
1418 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0);
1419 msp->ms_map.sm_ppd = vd;
1420 mutex_exit(&msp->ms_lock);
1421 }
1422 }
1423 }
1424
1425 static void
1426 zdb_leak_fini(spa_t *spa)
1427 {
1428 vdev_t *rvd = spa->spa_root_vdev;
1429
1430 for (int c = 0; c < rvd->vdev_children; c++) {
1431 vdev_t *vd = rvd->vdev_child[c];
1432 for (int m = 0; m < vd->vdev_ms_count; m++) {
1433 metaslab_t *msp = vd->vdev_ms[m];
1434 mutex_enter(&msp->ms_lock);
1435 space_map_unload(&msp->ms_map);
1436 mutex_exit(&msp->ms_lock);
1437 }
1438 }
1439 }
1440
1441 /*
1442 * Verify that the sum of the sizes of all blocks in the pool adds up
1443 * to the SPA's sa_alloc total.
1444 */
1445 typedef struct zdb_blkstats {
1446 uint64_t zb_asize;
1447 uint64_t zb_lsize;
1448 uint64_t zb_psize;
1449 uint64_t zb_count;
1450 } zdb_blkstats_t;
1451
1452 #define DMU_OT_DEFERRED DMU_OT_NONE
1453 #define DMU_OT_TOTAL DMU_OT_NUMTYPES
1454
1455 #define ZB_TOTAL DN_MAX_LEVELS
1456
1457 typedef struct zdb_cb {
1458 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1];
1459 uint64_t zcb_errors[256];
1460 int zcb_readfails;
1461 int zcb_haderrors;
1462 } zdb_cb_t;
1463
1464 static void
1465 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type)
1466 {
1467 for (int i = 0; i < 4; i++) {
1468 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1469 int t = (i & 1) ? type : DMU_OT_TOTAL;
1470 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1471
1472 zb->zb_asize += BP_GET_ASIZE(bp);
1473 zb->zb_lsize += BP_GET_LSIZE(bp);
1474 zb->zb_psize += BP_GET_PSIZE(bp);
1475 zb->zb_count++;
1476 }
1477
1478 if (dump_opt['S']) {
1479 boolean_t print_sig;
1480
1481 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 &&
1482 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS);
1483
1484 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg)
1485 print_sig = B_FALSE;
1486
1487 if (print_sig) {
1488 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t%s\t"
1489 "%llx:%llx:%llx:%llx\n",
1490 (u_longlong_t)BP_GET_LEVEL(bp),
1491 (longlong_t)BP_GET_PSIZE(bp),
1492 (longlong_t)BP_GET_NDVAS(bp),
1493 dmu_ot[BP_GET_TYPE(bp)].ot_name,
1494 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1495 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name,
1496 zio_crypt_table[BP_GET_CRYPT(bp)].ci_name,
1497 (u_longlong_t)bp->blk_cksum.zc_word[0],
1498 (u_longlong_t)bp->blk_cksum.zc_word[1],
1499 (u_longlong_t)bp->blk_cksum.zc_word[2],
1500 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1501 }
1502 }
1503
1504 if (!dump_opt['L'])
1505 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp,
1506 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0);
1507 }
1508
1509 static int
1510 zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb,
1511 const dnode_phys_t *dnp, void *arg)
1512 {
1513 zdb_cb_t *zcb = arg;
1514 char blkbuf[BP_SPRINTF_LEN];
1515
1516 if (bp == NULL)
1517 return (0);
1518
1519 zdb_count_block(spa, zcb, bp, BP_GET_TYPE(bp));
1520
1521 if (dump_opt['c'] || dump_opt['S']) {
1522 int ioerr, size;
1523 void *data;
1524
1525 size = BP_GET_LSIZE(bp);
1526 data = malloc(size);
1527 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1528 NULL, NULL, ZIO_PRIORITY_ASYNC_READ,
1529 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB, zb));
1530 free(data);
1531
1532 /* We expect io errors on intent log */
1533 if (ioerr && BP_GET_TYPE(bp) != DMU_OT_INTENT_LOG) {
1534 zcb->zcb_haderrors = 1;
1535 zcb->zcb_errors[ioerr]++;
1536
1537 if (dump_opt['b'] >= 2)
1538 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1539 else
1540 blkbuf[0] = '\0';
1541
1542 if (!dump_opt['S']) {
1543 (void) printf("zdb_blkptr_cb: "
1544 "Got error %d reading "
1545 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
1546 ioerr,
1547 (u_longlong_t)zb->zb_objset,
1548 (u_longlong_t)zb->zb_object,
1549 (u_longlong_t)zb->zb_level,
1550 (u_longlong_t)zb->zb_blkid,
1551 blkbuf);
1552 }
1553 }
1554 }
1555
1556 zcb->zcb_readfails = 0;
1557
1558 if (dump_opt['b'] >= 4) {
1559 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp);
1560 (void) printf("objset %llu object %llu offset 0x%llx %s\n",
1561 (u_longlong_t)zb->zb_objset,
1562 (u_longlong_t)zb->zb_object,
1563 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid),
1564 blkbuf);
1565 }
1566
1567 return (0);
1568 }
1569
1570 static int
1571 dump_block_stats(spa_t *spa)
1572 {
1573 zdb_cb_t zcb = { 0 };
1574 zdb_blkstats_t *zb, *tzb;
1575 uint64_t alloc, space, logalloc;
1576 vdev_t *rvd = spa->spa_root_vdev;
1577 int leaks = 0;
1578 int c, e;
1579
1580 if (!dump_opt['S']) {
1581 (void) printf("\nTraversing all blocks %s%s%s%s...\n",
1582 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
1583 dump_opt['c'] ? "checksums " : "",
1584 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
1585 !dump_opt['L'] ? "nothing leaked " : "");
1586 }
1587
1588 /*
1589 * Load all space maps as SM_ALLOC maps, then traverse the pool
1590 * claiming each block we discover. If the pool is perfectly
1591 * consistent, the space maps will be empty when we're done.
1592 * Anything left over is a leak; any block we can't claim (because
1593 * it's not part of any space map) is a double allocation,
1594 * reference to a freed block, or an unclaimed log block.
1595 */
1596 if (!dump_opt['L'])
1597 zdb_leak_init(spa);
1598
1599 /*
1600 * If there's a deferred-free bplist, process that first.
1601 */
1602 if (spa->spa_sync_bplist_obj != 0) {
1603 bplist_t *bpl = &spa->spa_sync_bplist;
1604 blkptr_t blk;
1605 uint64_t itor = 0;
1606
1607 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset,
1608 spa->spa_sync_bplist_obj));
1609
1610 while (bplist_iterate(bpl, &itor, &blk) == 0) {
1611 if (dump_opt['b'] >= 4) {
1612 char blkbuf[BP_SPRINTF_LEN];
1613 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk);
1614 (void) printf("[%s] %s\n",
1615 "deferred free", blkbuf);
1616 }
1617 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED);
1618 }
1619
1620 bplist_close(bpl);
1621 }
1622
1623 zcb.zcb_haderrors |= traverse_pool(spa, zdb_blkptr_cb, &zcb);
1624
1625 if (zcb.zcb_haderrors && !dump_opt['S']) {
1626 (void) printf("\nError counts:\n\n");
1627 (void) printf("\t%5s %s\n", "errno", "count");
1628 for (e = 0; e < 256; e++) {
1629 if (zcb.zcb_errors[e] != 0) {
1630 (void) printf("\t%5d %llu\n",
1631 e, (u_longlong_t)zcb.zcb_errors[e]);
1632 }
1633 }
1634 }
1635
1636 /*
1637 * Report any leaked segments.
1638 */
1639 if (!dump_opt['L'])
1640 zdb_leak_fini(spa);
1641
1642 /*
1643 * If we're interested in printing out the blkptr signatures,
1644 * return now as we don't print out anything else (including
1645 * errors and leaks).
1646 */
1647 if (dump_opt['S'])
1648 return (zcb.zcb_haderrors ? 3 : 0);
1649
1650 alloc = spa_get_alloc(spa);
1651 space = spa_get_space(spa);
1652
1653 /*
1654 * Log blocks allocated from a separate log device don't count
1655 * as part of the normal pool space; factor them in here.
1656 */
1657 logalloc = 0;
1658
1659 for (c = 0; c < rvd->vdev_children; c++)
1660 if (rvd->vdev_child[c]->vdev_islog)
1661 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc;
1662
1663 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL];
1664
1665 if (tzb->zb_asize == alloc + logalloc) {
1666 if (!dump_opt['L'])
1667 (void) printf("\n\tNo leaks (block sum matches space"
1668 " maps exactly)\n");
1669 } else {
1670 (void) printf("block traversal size %llu != alloc %llu "
1671 "(%s %lld)\n",
1672 (u_longlong_t)tzb->zb_asize,
1673 (u_longlong_t)alloc + logalloc,
1674 (dump_opt['L']) ? "unreachable" : "leaked",
1675 (longlong_t)(alloc + logalloc - tzb->zb_asize));
1676 leaks = 1;
1677 }
1678
1679 if (tzb->zb_count == 0)
1680 return (2);
1681
1682 (void) printf("\n");
1683 (void) printf("\tbp count: %10llu\n",
1684 (u_longlong_t)tzb->zb_count);
1685 (void) printf("\tbp logical: %10llu\t avg: %6llu\n",
1686 (u_longlong_t)tzb->zb_lsize,
1687 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
1688 (void) printf("\tbp physical: %10llu\t avg:"
1689 " %6llu\tcompression: %6.2f\n",
1690 (u_longlong_t)tzb->zb_psize,
1691 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
1692 (double)tzb->zb_lsize / tzb->zb_psize);
1693 (void) printf("\tbp allocated: %10llu\t avg:"
1694 " %6llu\tcompression: %6.2f\n",
1695 (u_longlong_t)tzb->zb_asize,
1696 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
1697 (double)tzb->zb_lsize / tzb->zb_asize);
1698 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n",
1699 (u_longlong_t)alloc, 100.0 * alloc / space);
1700
1701 if (dump_opt['b'] >= 2) {
1702 int l, t, level;
1703 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
1704 "\t avg\t comp\t%%Total\tType\n");
1705
1706 for (t = 0; t <= DMU_OT_NUMTYPES; t++) {
1707 char csize[6], lsize[6], psize[6], asize[6], avg[6];
1708 char *typename;
1709
1710 typename = t == DMU_OT_DEFERRED ? "deferred free" :
1711 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name;
1712
1713 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
1714 (void) printf("%6s\t%5s\t%5s\t%5s"
1715 "\t%5s\t%5s\t%6s\t%s\n",
1716 "-",
1717 "-",
1718 "-",
1719 "-",
1720 "-",
1721 "-",
1722 "-",
1723 typename);
1724 continue;
1725 }
1726
1727 for (l = ZB_TOTAL - 1; l >= -1; l--) {
1728 level = (l == -1 ? ZB_TOTAL : l);
1729 zb = &zcb.zcb_type[level][t];
1730
1731 if (zb->zb_asize == 0)
1732 continue;
1733
1734 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
1735 continue;
1736
1737 if (level == 0 && zb->zb_asize ==
1738 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
1739 continue;
1740
1741 nicenum(zb->zb_count, csize);
1742 nicenum(zb->zb_lsize, lsize);
1743 nicenum(zb->zb_psize, psize);
1744 nicenum(zb->zb_asize, asize);
1745 nicenum(zb->zb_asize / zb->zb_count, avg);
1746
1747 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
1748 "\t%5.2f\t%6.2f\t",
1749 csize, lsize, psize, asize, avg,
1750 (double)zb->zb_lsize / zb->zb_psize,
1751 100.0 * zb->zb_asize / tzb->zb_asize);
1752
1753 if (level == ZB_TOTAL)
1754 (void) printf("%s\n", typename);
1755 else
1756 (void) printf(" L%d %s\n",
1757 level, typename);
1758 }
1759 }
1760 }
1761
1762 (void) printf("\n");
1763
1764 if (leaks)
1765 return (2);
1766
1767 if (zcb.zcb_haderrors)
1768 return (3);
1769
1770 return (0);
1771 }
1772
1773 static void
1774 dump_zpool(spa_t *spa)
1775 {
1776 dsl_pool_t *dp = spa_get_dsl(spa);
1777 int rc = 0;
1778
1779 if (dump_opt['u'])
1780 dump_uberblock(&spa->spa_uberblock);
1781
1782 if (dump_opt['d'] || dump_opt['i']) {
1783 dump_dir(dp->dp_meta_objset);
1784 if (dump_opt['d'] >= 3) {
1785 dump_bplist(dp->dp_meta_objset,
1786 spa->spa_sync_bplist_obj, "Deferred frees");
1787 dump_dtl(spa->spa_root_vdev, 0);
1788 dump_metaslabs(spa);
1789 }
1790 (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL,
1791 DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
1792 }
1793
1794 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S'])
1795 rc = dump_block_stats(spa);
1796
1797 if (dump_opt['s'])
1798 show_pool_stats(spa);
1799
1800 if (rc != 0)
1801 exit(rc);
1802 }
1803
1804 #define ZDB_FLAG_CHECKSUM 0x0001
1805 #define ZDB_FLAG_DECOMPRESS 0x0002
1806 #define ZDB_FLAG_BSWAP 0x0004
1807 #define ZDB_FLAG_GBH 0x0008
1808 #define ZDB_FLAG_INDIRECT 0x0010
1809 #define ZDB_FLAG_PHYS 0x0020
1810 #define ZDB_FLAG_RAW 0x0040
1811 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
1812
1813 int flagbits[256];
1814
1815 static void
1816 zdb_print_blkptr(blkptr_t *bp, int flags)
1817 {
1818 dva_t *dva = bp->blk_dva;
1819 int d;
1820
1821 if (flags & ZDB_FLAG_BSWAP)
1822 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
1823 /*
1824 * Super-ick warning: This code is also duplicated in
1825 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code
1826 * replication, too.
1827 */
1828 for (d = 0; d < BP_GET_NDVAS(bp); d++) {
1829 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d,
1830 (longlong_t)DVA_GET_VDEV(&dva[d]),
1831 (longlong_t)DVA_GET_OFFSET(&dva[d]));
1832 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t"
1833 "ASIZE: %llx\n", d,
1834 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE",
1835 (longlong_t)DVA_GET_GRID(&dva[d]),
1836 (longlong_t)DVA_GET_ASIZE(&dva[d]));
1837 (void) printf("\tDVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", d,
1838 (u_longlong_t)DVA_GET_VDEV(&dva[d]),
1839 (longlong_t)DVA_GET_OFFSET(&dva[d]),
1840 (longlong_t)BP_GET_PSIZE(bp),
1841 BP_SHOULD_BYTESWAP(bp) ? "e" : "",
1842 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ?
1843 "d" : "",
1844 DVA_GET_GANG(&dva[d]) ? "g" : "",
1845 BP_GET_COMPRESS(bp) != 0 ? "d" : "");
1846 }
1847 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n",
1848 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp));
1849 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n",
1850 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG",
1851 dmu_ot[BP_GET_TYPE(bp)].ot_name);
1852 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n",
1853 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp),
1854 (u_longlong_t)bp->blk_fill);
1855 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\t\tCRYPT: %s\n",
1856 zio_checksum_table[BP_GET_CHECKSUM(bp)].ci_name,
1857 zio_compress_table[BP_GET_COMPRESS(bp)].ci_name,
1858 zio_crypt_table[BP_GET_CRYPT(bp)].ci_name);
1859 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n",
1860 (u_longlong_t)bp->blk_cksum.zc_word[0],
1861 (u_longlong_t)bp->blk_cksum.zc_word[1],
1862 (u_longlong_t)bp->blk_cksum.zc_word[2],
1863 (u_longlong_t)bp->blk_cksum.zc_word[3]);
1864 }
1865
1866 static void
1867 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
1868 {
1869 int i;
1870
1871 for (i = 0; i < nbps; i++)
1872 zdb_print_blkptr(&bp[i], flags);
1873 }
1874
1875 static void
1876 zdb_dump_gbh(void *buf, int flags)
1877 {
1878 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
1879 }
1880
1881 static void
1882 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
1883 {
1884 if (flags & ZDB_FLAG_BSWAP)
1885 byteswap_uint64_array(buf, size);
1886 (void) write(2, buf, size);
1887 }
1888
1889 static void
1890 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
1891 {
1892 uint64_t *d = (uint64_t *)buf;
1893 int nwords = size / sizeof (uint64_t);
1894 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
1895 int i, j;
1896 char *hdr, *c;
1897
1898
1899 if (do_bswap)
1900 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
1901 else
1902 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
1903
1904 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
1905
1906 for (i = 0; i < nwords; i += 2) {
1907 (void) printf("%06llx: %016llx %016llx ",
1908 (u_longlong_t)(i * sizeof (uint64_t)),
1909 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
1910 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
1911
1912 c = (char *)&d[i];
1913 for (j = 0; j < 2 * sizeof (uint64_t); j++)
1914 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
1915 (void) printf("\n");
1916 }
1917 }
1918
1919 /*
1920 * There are two acceptable formats:
1921 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
1922 * child[.child]* - For example: 0.1.1
1923 *
1924 * The second form can be used to specify arbitrary vdevs anywhere
1925 * in the heirarchy. For example, in a pool with a mirror of
1926 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
1927 */
1928 static vdev_t *
1929 zdb_vdev_lookup(vdev_t *vdev, char *path)
1930 {
1931 char *s, *p, *q;
1932 int i;
1933
1934 if (vdev == NULL)
1935 return (NULL);
1936
1937 /* First, assume the x.x.x.x format */
1938 i = (int)strtoul(path, &s, 10);
1939 if (s == path || (s && *s != '.' && *s != '\0'))
1940 goto name;
1941 if (i < 0 || i >= vdev->vdev_children)
1942 return (NULL);
1943
1944 vdev = vdev->vdev_child[i];
1945 if (*s == '\0')
1946 return (vdev);
1947 return (zdb_vdev_lookup(vdev, s+1));
1948
1949 name:
1950 for (i = 0; i < vdev->vdev_children; i++) {
1951 vdev_t *vc = vdev->vdev_child[i];
1952
1953 if (vc->vdev_path == NULL) {
1954 vc = zdb_vdev_lookup(vc, path);
1955 if (vc == NULL)
1956 continue;
1957 else
1958 return (vc);
1959 }
1960
1961 p = strrchr(vc->vdev_path, '/');
1962 p = p ? p + 1 : vc->vdev_path;
1963 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
1964
1965 if (strcmp(vc->vdev_path, path) == 0)
1966 return (vc);
1967 if (strcmp(p, path) == 0)
1968 return (vc);
1969 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
1970 return (vc);
1971 }
1972
1973 return (NULL);
1974 }
1975
1976 /*
1977 * Read a block from a pool and print it out. The syntax of the
1978 * block descriptor is:
1979 *
1980 * pool:vdev_specifier:offset:size[:flags]
1981 *
1982 * pool - The name of the pool you wish to read from
1983 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
1984 * offset - offset, in hex, in bytes
1985 * size - Amount of data to read, in hex, in bytes
1986 * flags - A string of characters specifying options
1987 * b: Decode a blkptr at given offset within block
1988 * *c: Calculate and display checksums
1989 * *d: Decompress data before dumping
1990 * e: Byteswap data before dumping
1991 * *g: Display data as a gang block header
1992 * *i: Display as an indirect block
1993 * p: Do I/O to physical offset
1994 * r: Dump raw data to stdout
1995 *
1996 * * = not yet implemented
1997 */
1998 static void
1999 zdb_read_block(char *thing, spa_t **spap)
2000 {
2001 spa_t *spa = *spap;
2002 int flags = 0;
2003 uint64_t offset = 0, size = 0, blkptr_offset = 0;
2004 zio_t *zio;
2005 vdev_t *vd;
2006 void *buf;
2007 char *s, *p, *dup, *pool, *vdev, *flagstr;
2008 int i, error, zio_flags;
2009
2010 dup = strdup(thing);
2011 s = strtok(dup, ":");
2012 pool = s ? s : "";
2013 s = strtok(NULL, ":");
2014 vdev = s ? s : "";
2015 s = strtok(NULL, ":");
2016 offset = strtoull(s ? s : "", NULL, 16);
2017 s = strtok(NULL, ":");
2018 size = strtoull(s ? s : "", NULL, 16);
2019 s = strtok(NULL, ":");
2020 flagstr = s ? s : "";
2021
2022 s = NULL;
2023 if (size == 0)
2024 s = "size must not be zero";
2025 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2026 s = "size must be a multiple of sector size";
2027 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2028 s = "offset must be a multiple of sector size";
2029 if (s) {
2030 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2031 free(dup);
2032 return;
2033 }
2034
2035 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2036 for (i = 0; flagstr[i]; i++) {
2037 int bit = flagbits[(uchar_t)flagstr[i]];
2038
2039 if (bit == 0) {
2040 (void) printf("***Invalid flag: %c\n",
2041 flagstr[i]);
2042 continue;
2043 }
2044 flags |= bit;
2045
2046 /* If it's not something with an argument, keep going */
2047 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS |
2048 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2049 continue;
2050
2051 p = &flagstr[i + 1];
2052 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2053 blkptr_offset = strtoull(p, &p, 16);
2054 if (*p != ':' && *p != '\0') {
2055 (void) printf("***Invalid flag arg: '%s'\n", s);
2056 free(dup);
2057 return;
2058 }
2059 }
2060 }
2061
2062 if (spa == NULL || strcmp(spa_name(spa), pool) != 0) {
2063 if (spa)
2064 spa_close(spa, (void *)zdb_read_block);
2065 error = spa_open(pool, spap, (void *)zdb_read_block);
2066 if (error)
2067 fatal("Failed to open pool '%s': %s",
2068 pool, strerror(error));
2069 spa = *spap;
2070 }
2071
2072 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2073 if (vd == NULL) {
2074 (void) printf("***Invalid vdev: %s\n", vdev);
2075 free(dup);
2076 return;
2077 } else {
2078 if (vd->vdev_path)
2079 (void) printf("Found vdev: %s\n", vd->vdev_path);
2080 else
2081 (void) printf("Found vdev type: %s\n",
2082 vd->vdev_ops->vdev_op_type);
2083 }
2084
2085 buf = umem_alloc(size, UMEM_NOFAIL);
2086
2087 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2088 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY;
2089
2090 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2091 zio = zio_root(spa, NULL, NULL, 0);
2092 /* XXX todo - cons up a BP so RAID-Z will be happy */
2093 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size,
2094 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL));
2095 error = zio_wait(zio);
2096 spa_config_exit(spa, SCL_STATE, FTAG);
2097
2098 if (error) {
2099 (void) printf("Read of %s failed, error: %d\n", thing, error);
2100 goto out;
2101 }
2102
2103 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2104 zdb_print_blkptr((blkptr_t *)(void *)
2105 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2106 else if (flags & ZDB_FLAG_RAW)
2107 zdb_dump_block_raw(buf, size, flags);
2108 else if (flags & ZDB_FLAG_INDIRECT)
2109 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2110 flags);
2111 else if (flags & ZDB_FLAG_GBH)
2112 zdb_dump_gbh(buf, flags);
2113 else
2114 zdb_dump_block(thing, buf, size, flags);
2115
2116 out:
2117 umem_free(buf, size);
2118 free(dup);
2119 }
2120
2121 static boolean_t
2122 nvlist_string_match(nvlist_t *config, char *name, char *tgt)
2123 {
2124 char *s;
2125
2126 if (nvlist_lookup_string(config, name, &s) != 0)
2127 return (B_FALSE);
2128
2129 return (strcmp(s, tgt) == 0);
2130 }
2131
2132 static boolean_t
2133 nvlist_uint64_match(nvlist_t *config, char *name, uint64_t tgt)
2134 {
2135 uint64_t val;
2136
2137 if (nvlist_lookup_uint64(config, name, &val) != 0)
2138 return (B_FALSE);
2139
2140 return (val == tgt);
2141 }
2142
2143 static boolean_t
2144 vdev_child_guid_match(nvlist_t *vdev, uint64_t guid)
2145 {
2146 nvlist_t **child;
2147 uint_t c, children;
2148
2149 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2150 &child, &children) == 0);
2151 for (c = 0; c < children; ++c)
2152 if (nvlist_uint64_match(child[c], ZPOOL_CONFIG_GUID, guid))
2153 return (B_TRUE);
2154 return (B_FALSE);
2155 }
2156
2157 static boolean_t
2158 vdev_child_string_match(nvlist_t *vdev, char *tgt)
2159 {
2160 nvlist_t **child;
2161 uint_t c, children;
2162
2163 verify(nvlist_lookup_nvlist_array(vdev, ZPOOL_CONFIG_CHILDREN,
2164 &child, &children) == 0);
2165 for (c = 0; c < children; ++c) {
2166 if (nvlist_string_match(child[c], ZPOOL_CONFIG_PATH, tgt) ||
2167 nvlist_string_match(child[c], ZPOOL_CONFIG_DEVID, tgt))
2168 return (B_TRUE);
2169 }
2170 return (B_FALSE);
2171 }
2172
2173 static boolean_t
2174 vdev_guid_match(nvlist_t *config, uint64_t guid)
2175 {
2176 nvlist_t *nvroot;
2177
2178 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2179 &nvroot) == 0);
2180
2181 return (nvlist_uint64_match(nvroot, ZPOOL_CONFIG_GUID, guid) ||
2182 vdev_child_guid_match(nvroot, guid));
2183 }
2184
2185 static boolean_t
2186 vdev_string_match(nvlist_t *config, char *tgt)
2187 {
2188 nvlist_t *nvroot;
2189
2190 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2191 &nvroot) == 0);
2192
2193 return (vdev_child_string_match(nvroot, tgt));
2194 }
2195
2196 static boolean_t
2197 pool_match(nvlist_t *config, char *tgt)
2198 {
2199 uint64_t guid = strtoull(tgt, NULL, 0);
2200
2201 if (guid != 0) {
2202 return (
2203 nvlist_uint64_match(config, ZPOOL_CONFIG_POOL_GUID, guid) ||
2204 vdev_guid_match(config, guid));
2205 } else {
2206 return (
2207 nvlist_string_match(config, ZPOOL_CONFIG_POOL_NAME, tgt) ||
2208 vdev_string_match(config, tgt));
2209 }
2210 }
2211
2212 static int
2213 find_exported_zpool(char *pool_id, nvlist_t **configp, char *vdev_dir)
2214 {
2215 nvlist_t *pools;
2216 int error = ENOENT;
2217 nvlist_t *match = NULL;
2218
2219 if (vdev_dir != NULL)
2220 pools = zpool_find_import_activeok(g_zfs, 1, &vdev_dir);
2221 else
2222 pools = zpool_find_import_activeok(g_zfs, 0, NULL);
2223
2224 if (pools != NULL) {
2225 nvpair_t *elem = NULL;
2226
2227 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2228 verify(nvpair_value_nvlist(elem, configp) == 0);
2229 if (pool_match(*configp, pool_id)) {
2230 if (match != NULL) {
2231 (void) fatal(
2232 "More than one matching pool - "
2233 "specify guid/devid/device path.");
2234 } else {
2235 match = *configp;
2236 error = 0;
2237 }
2238 }
2239 }
2240 }
2241
2242 *configp = error ? NULL : match;
2243
2244 return (error);
2245 }
2246
2247 int
2248 main(int argc, char **argv)
2249 {
2250 int i, c;
2251 struct rlimit rl = { 1024, 1024 };
2252 spa_t *spa;
2253 objset_t *os = NULL;
2254 char *endstr;
2255 int dump_all = 1;
2256 int verbose = 0;
2257 int error;
2258 int exported = 0;
2259 char *vdev_dir = NULL;
2260
2261 (void) setrlimit(RLIMIT_NOFILE, &rl);
2262 (void) enable_extended_FILE_stdio(-1, -1);
2263
2264 dprintf_setup(&argc, argv);
2265
2266 while ((c = getopt(argc, argv, "udibcsvCLS:U:lRep:t:")) != -1) {
2267 switch (c) {
2268 case 'u':
2269 case 'd':
2270 case 'i':
2271 case 'b':
2272 case 'c':
2273 case 's':
2274 case 'C':
2275 case 'l':
2276 case 'R':
2277 dump_opt[c]++;
2278 dump_all = 0;
2279 break;
2280 case 'L':
2281 dump_opt[c]++;
2282 break;
2283 case 'v':
2284 verbose++;
2285 break;
2286 case 'U':
2287 spa_config_path = optarg;
2288 break;
2289 case 'e':
2290 exported = 1;
2291 break;
2292 case 'p':
2293 vdev_dir = optarg;
2294 break;
2295 case 'S':
2296 dump_opt[c]++;
2297 dump_all = 0;
2298 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0);
2299 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4))
2300 usage();
2301 endstr = strchr(optarg, ':') + 1;
2302 if (strcmp(endstr, "fletcher2") == 0)
2303 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2304 else if (strcmp(endstr, "fletcher4") == 0)
2305 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4;
2306 else if (strcmp(endstr, "sha256") == 0)
2307 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256;
2308 else if (strcmp(endstr, "sha256+mac") == 0)
2309 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256_MAC;
2310 else if (strcmp(endstr, "all") == 0)
2311 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2;
2312 else
2313 usage();
2314 break;
2315 case 't':
2316 ub_max_txg = strtoull(optarg, NULL, 0);
2317 if (ub_max_txg < TXG_INITIAL) {
2318 (void) fprintf(stderr, "incorrect txg "
2319 "specified: %s\n", optarg);
2320 usage();
2321 }
2322 break;
2323 default:
2324 usage();
2325 break;
2326 }
2327 }
2328
2329 if (vdev_dir != NULL && exported == 0) {
2330 (void) fprintf(stderr, "-p option requires use of -e\n");
2331 usage();
2332 }
2333
2334 kernel_init(FREAD);
2335 g_zfs = libzfs_init();
2336 ASSERT(g_zfs != NULL);
2337
2338 for (c = 0; c < 256; c++) {
2339 if (dump_all && c != 'l' && c != 'R')
2340 dump_opt[c] = 1;
2341 if (dump_opt[c])
2342 dump_opt[c] += verbose;
2343 }
2344
2345 argc -= optind;
2346 argv += optind;
2347
2348 if (argc < 1) {
2349 if (dump_opt['C']) {
2350 dump_cachefile(spa_config_path);
2351 return (0);
2352 }
2353 usage();
2354 }
2355
2356 if (dump_opt['l']) {
2357 dump_label(argv[0]);
2358 return (0);
2359 }
2360
2361 if (dump_opt['R']) {
2362 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
2363 flagbits['c'] = ZDB_FLAG_CHECKSUM;
2364 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
2365 flagbits['e'] = ZDB_FLAG_BSWAP;
2366 flagbits['g'] = ZDB_FLAG_GBH;
2367 flagbits['i'] = ZDB_FLAG_INDIRECT;
2368 flagbits['p'] = ZDB_FLAG_PHYS;
2369 flagbits['r'] = ZDB_FLAG_RAW;
2370
2371 spa = NULL;
2372 while (argv[0]) {
2373 zdb_read_block(argv[0], &spa);
2374 argv++;
2375 argc--;
2376 }
2377 if (spa)
2378 spa_close(spa, (void *)zdb_read_block);
2379 return (0);
2380 }
2381
2382 if (dump_opt['C'])
2383 dump_config(argv[0]);
2384
2385 error = 0;
2386 if (exported) {
2387 /*
2388 * Check to see if the name refers to an exported zpool
2389 */
2390 char *slash;
2391 nvlist_t *exported_conf = NULL;
2392
2393 if ((slash = strchr(argv[0], '/')) != NULL)
2394 *slash = '\0';
2395
2396 error = find_exported_zpool(argv[0], &exported_conf, vdev_dir);
2397 if (error == 0) {
2398 nvlist_t *nvl = NULL;
2399
2400 if (vdev_dir != NULL) {
2401 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
2402 error = ENOMEM;
2403 else if (nvlist_add_string(nvl,
2404 zpool_prop_to_name(ZPOOL_PROP_ALTROOT),
2405 vdev_dir) != 0)
2406 error = ENOMEM;
2407 }
2408
2409 if (error == 0)
2410 error = spa_import_faulted(argv[0],
2411 exported_conf, nvl);
2412
2413 nvlist_free(nvl);
2414 }
2415
2416 if (slash != NULL)
2417 *slash = '/';
2418 }
2419
2420 if (error == 0) {
2421 if (strchr(argv[0], '/') != NULL) {
2422 error = dmu_objset_open(argv[0], DMU_OST_ANY,
2423 DS_MODE_USER | DS_MODE_READONLY, &os);
2424 } else {
2425 error = spa_open(argv[0], &spa, FTAG);
2426 }
2427 }
2428
2429 if (error)
2430 fatal("can't open %s: %s", argv[0], strerror(error));
2431
2432 argv++;
2433 if (--argc > 0) {
2434 zopt_objects = argc;
2435 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
2436 for (i = 0; i < zopt_objects; i++) {
2437 errno = 0;
2438 zopt_object[i] = strtoull(argv[i], NULL, 0);
2439 if (zopt_object[i] == 0 && errno != 0)
2440 fatal("bad object number %s: %s",
2441 argv[i], strerror(errno));
2442 }
2443 }
2444
2445 if (os != NULL) {
2446 dump_dir(os);
2447 dmu_objset_close(os);
2448 } else {
2449 dump_zpool(spa);
2450 spa_close(spa, FTAG);
2451 }
2452
2453 fuid_table_destroy();
2454
2455 libzfs_fini(g_zfs);
2456 kernel_fini();
2457
2458 return (0);
2459 }