1 /* 2 * Block layer qmp and info dump related functions 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "block/qapi.h" 26 #include "block/block_int.h" 27 #include "block/write-threshold.h" 28 #include "qmp-commands.h" 29 #include "qapi-visit.h" 30 #include "qapi/qmp-output-visitor.h" 31 #include "qapi/qmp/types.h" 32 #include "sysemu/block-backend.h" 33 34 BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs, Error **errp) 35 { 36 ImageInfo **p_image_info; 37 BlockDriverState *bs0; 38 BlockDeviceInfo *info = g_malloc0(sizeof(*info)); 39 40 info->file = g_strdup(bs->filename); 41 info->ro = bs->read_only; 42 info->drv = g_strdup(bs->drv->format_name); 43 info->encrypted = bs->encrypted; 44 info->encryption_key_missing = bdrv_key_required(bs); 45 46 info->cache = g_new(BlockdevCacheInfo, 1); 47 *info->cache = (BlockdevCacheInfo) { 48 .writeback = bdrv_enable_write_cache(bs), 49 .direct = !!(bs->open_flags & BDRV_O_NOCACHE), 50 .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH), 51 }; 52 53 if (bs->node_name[0]) { 54 info->has_node_name = true; 55 info->node_name = g_strdup(bs->node_name); 56 } 57 58 if (bs->backing_file[0]) { 59 info->has_backing_file = true; 60 info->backing_file = g_strdup(bs->backing_file); 61 } 62 63 info->backing_file_depth = bdrv_get_backing_file_depth(bs); 64 info->detect_zeroes = bs->detect_zeroes; 65 66 if (bs->io_limits_enabled) { 67 ThrottleConfig cfg; 68 throttle_get_config(&bs->throttle_state, &cfg); 69 info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; 70 info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; 71 info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; 72 73 info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; 74 info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; 75 info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; 76 77 info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; 78 info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; 79 info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; 80 info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; 81 info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; 82 info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; 83 84 info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; 85 info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; 86 info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; 87 info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; 88 info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; 89 info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; 90 91 info->has_iops_size = cfg.op_size; 92 info->iops_size = cfg.op_size; 93 } 94 95 info->write_threshold = bdrv_write_threshold_get(bs); 96 97 bs0 = bs; 98 p_image_info = &info->image; 99 while (1) { 100 Error *local_err = NULL; 101 bdrv_query_image_info(bs0, p_image_info, &local_err); 102 if (local_err) { 103 error_propagate(errp, local_err); 104 qapi_free_BlockDeviceInfo(info); 105 return NULL; 106 } 107 if (bs0->drv && bs0->backing_hd) { 108 bs0 = bs0->backing_hd; 109 (*p_image_info)->has_backing_image = true; 110 p_image_info = &((*p_image_info)->backing_image); 111 } else { 112 break; 113 } 114 } 115 116 return info; 117 } 118 119 /* 120 * Returns 0 on success, with *p_list either set to describe snapshot 121 * information, or NULL because there are no snapshots. Returns -errno on 122 * error, with *p_list untouched. 123 */ 124 int bdrv_query_snapshot_info_list(BlockDriverState *bs, 125 SnapshotInfoList **p_list, 126 Error **errp) 127 { 128 int i, sn_count; 129 QEMUSnapshotInfo *sn_tab = NULL; 130 SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL; 131 SnapshotInfo *info; 132 133 sn_count = bdrv_snapshot_list(bs, &sn_tab); 134 if (sn_count < 0) { 135 const char *dev = bdrv_get_device_name(bs); 136 switch (sn_count) { 137 case -ENOMEDIUM: 138 error_setg(errp, "Device '%s' is not inserted", dev); 139 break; 140 case -ENOTSUP: 141 error_setg(errp, 142 "Device '%s' does not support internal snapshots", 143 dev); 144 break; 145 default: 146 error_setg_errno(errp, -sn_count, 147 "Can't list snapshots of device '%s'", dev); 148 break; 149 } 150 return sn_count; 151 } 152 153 for (i = 0; i < sn_count; i++) { 154 info = g_new0(SnapshotInfo, 1); 155 info->id = g_strdup(sn_tab[i].id_str); 156 info->name = g_strdup(sn_tab[i].name); 157 info->vm_state_size = sn_tab[i].vm_state_size; 158 info->date_sec = sn_tab[i].date_sec; 159 info->date_nsec = sn_tab[i].date_nsec; 160 info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; 161 info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; 162 163 info_list = g_new0(SnapshotInfoList, 1); 164 info_list->value = info; 165 166 /* XXX: waiting for the qapi to support qemu-queue.h types */ 167 if (!cur_item) { 168 head = cur_item = info_list; 169 } else { 170 cur_item->next = info_list; 171 cur_item = info_list; 172 } 173 174 } 175 176 g_free(sn_tab); 177 *p_list = head; 178 return 0; 179 } 180 181 /** 182 * bdrv_query_image_info: 183 * @bs: block device to examine 184 * @p_info: location to store image information 185 * @errp: location to store error information 186 * 187 * Store "flat" image information in @p_info. 188 * 189 * "Flat" means it does *not* query backing image information, 190 * i.e. (*pinfo)->has_backing_image will be set to false and 191 * (*pinfo)->backing_image to NULL even when the image does in fact have 192 * a backing image. 193 * 194 * @p_info will be set only on success. On error, store error in @errp. 195 */ 196 void bdrv_query_image_info(BlockDriverState *bs, 197 ImageInfo **p_info, 198 Error **errp) 199 { 200 int64_t size; 201 const char *backing_filename; 202 BlockDriverInfo bdi; 203 int ret; 204 Error *err = NULL; 205 ImageInfo *info; 206 207 size = bdrv_getlength(bs); 208 if (size < 0) { 209 error_setg_errno(errp, -size, "Can't get size of device '%s'", 210 bdrv_get_device_name(bs)); 211 return; 212 } 213 214 info = g_new0(ImageInfo, 1); 215 info->filename = g_strdup(bs->filename); 216 info->format = g_strdup(bdrv_get_format_name(bs)); 217 info->virtual_size = size; 218 info->actual_size = bdrv_get_allocated_file_size(bs); 219 info->has_actual_size = info->actual_size >= 0; 220 if (bdrv_is_encrypted(bs)) { 221 info->encrypted = true; 222 info->has_encrypted = true; 223 } 224 if (bdrv_get_info(bs, &bdi) >= 0) { 225 if (bdi.cluster_size != 0) { 226 info->cluster_size = bdi.cluster_size; 227 info->has_cluster_size = true; 228 } 229 info->dirty_flag = bdi.is_dirty; 230 info->has_dirty_flag = true; 231 } 232 info->format_specific = bdrv_get_specific_info(bs); 233 info->has_format_specific = info->format_specific != NULL; 234 235 backing_filename = bs->backing_file; 236 if (backing_filename[0] != '\0') { 237 char *backing_filename2 = g_malloc0(PATH_MAX); 238 info->backing_filename = g_strdup(backing_filename); 239 info->has_backing_filename = true; 240 bdrv_get_full_backing_filename(bs, backing_filename2, PATH_MAX, &err); 241 if (err) { 242 error_propagate(errp, err); 243 qapi_free_ImageInfo(info); 244 g_free(backing_filename2); 245 return; 246 } 247 248 if (strcmp(backing_filename, backing_filename2) != 0) { 249 info->full_backing_filename = 250 g_strdup(backing_filename2); 251 info->has_full_backing_filename = true; 252 } 253 254 if (bs->backing_format[0]) { 255 info->backing_filename_format = g_strdup(bs->backing_format); 256 info->has_backing_filename_format = true; 257 } 258 g_free(backing_filename2); 259 } 260 261 ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); 262 switch (ret) { 263 case 0: 264 if (info->snapshots) { 265 info->has_snapshots = true; 266 } 267 break; 268 /* recoverable error */ 269 case -ENOMEDIUM: 270 case -ENOTSUP: 271 error_free(err); 272 break; 273 default: 274 error_propagate(errp, err); 275 qapi_free_ImageInfo(info); 276 return; 277 } 278 279 *p_info = info; 280 } 281 282 /* @p_info will be set only on success. */ 283 static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, 284 Error **errp) 285 { 286 BlockInfo *info = g_malloc0(sizeof(*info)); 287 BlockDriverState *bs = blk_bs(blk); 288 info->device = g_strdup(blk_name(blk)); 289 info->type = g_strdup("unknown"); 290 info->locked = blk_dev_is_medium_locked(blk); 291 info->removable = blk_dev_has_removable_media(blk); 292 293 if (blk_dev_has_removable_media(blk)) { 294 info->has_tray_open = true; 295 info->tray_open = blk_dev_is_tray_open(blk); 296 } 297 298 if (bdrv_iostatus_is_enabled(bs)) { 299 info->has_io_status = true; 300 info->io_status = bs->iostatus; 301 } 302 303 if (!QLIST_EMPTY(&bs->dirty_bitmaps)) { 304 info->has_dirty_bitmaps = true; 305 info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); 306 } 307 308 if (bs->drv) { 309 info->has_inserted = true; 310 info->inserted = bdrv_block_device_info(bs, errp); 311 if (info->inserted == NULL) { 312 goto err; 313 } 314 } 315 316 *p_info = info; 317 return; 318 319 err: 320 qapi_free_BlockInfo(info); 321 } 322 323 static BlockStats *bdrv_query_stats(const BlockDriverState *bs, 324 bool query_backing) 325 { 326 BlockStats *s; 327 328 s = g_malloc0(sizeof(*s)); 329 330 if (bdrv_get_device_name(bs)[0]) { 331 s->has_device = true; 332 s->device = g_strdup(bdrv_get_device_name(bs)); 333 } 334 335 if (bdrv_get_node_name(bs)[0]) { 336 s->has_node_name = true; 337 s->node_name = g_strdup(bdrv_get_node_name(bs)); 338 } 339 340 s->stats = g_malloc0(sizeof(*s->stats)); 341 s->stats->rd_bytes = bs->stats.nr_bytes[BLOCK_ACCT_READ]; 342 s->stats->wr_bytes = bs->stats.nr_bytes[BLOCK_ACCT_WRITE]; 343 s->stats->rd_operations = bs->stats.nr_ops[BLOCK_ACCT_READ]; 344 s->stats->wr_operations = bs->stats.nr_ops[BLOCK_ACCT_WRITE]; 345 s->stats->rd_merged = bs->stats.merged[BLOCK_ACCT_READ]; 346 s->stats->wr_merged = bs->stats.merged[BLOCK_ACCT_WRITE]; 347 s->stats->wr_highest_offset = 348 bs->stats.wr_highest_sector * BDRV_SECTOR_SIZE; 349 s->stats->flush_operations = bs->stats.nr_ops[BLOCK_ACCT_FLUSH]; 350 s->stats->wr_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_WRITE]; 351 s->stats->rd_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_READ]; 352 s->stats->flush_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_FLUSH]; 353 354 if (bs->file) { 355 s->has_parent = true; 356 s->parent = bdrv_query_stats(bs->file, query_backing); 357 } 358 359 if (query_backing && bs->backing_hd) { 360 s->has_backing = true; 361 s->backing = bdrv_query_stats(bs->backing_hd, query_backing); 362 } 363 364 return s; 365 } 366 367 BlockInfoList *qmp_query_block(Error **errp) 368 { 369 BlockInfoList *head = NULL, **p_next = &head; 370 BlockBackend *blk; 371 Error *local_err = NULL; 372 373 for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { 374 BlockInfoList *info = g_malloc0(sizeof(*info)); 375 bdrv_query_info(blk, &info->value, &local_err); 376 if (local_err) { 377 error_propagate(errp, local_err); 378 goto err; 379 } 380 381 *p_next = info; 382 p_next = &info->next; 383 } 384 385 return head; 386 387 err: 388 qapi_free_BlockInfoList(head); 389 return NULL; 390 } 391 392 BlockStatsList *qmp_query_blockstats(bool has_query_nodes, 393 bool query_nodes, 394 Error **errp) 395 { 396 BlockStatsList *head = NULL, **p_next = &head; 397 BlockDriverState *bs = NULL; 398 399 /* Just to be safe if query_nodes is not always initialized */ 400 query_nodes = has_query_nodes && query_nodes; 401 402 while ((bs = query_nodes ? bdrv_next_node(bs) : bdrv_next(bs))) { 403 BlockStatsList *info = g_malloc0(sizeof(*info)); 404 AioContext *ctx = bdrv_get_aio_context(bs); 405 406 aio_context_acquire(ctx); 407 info->value = bdrv_query_stats(bs, !query_nodes); 408 aio_context_release(ctx); 409 410 *p_next = info; 411 p_next = &info->next; 412 } 413 414 return head; 415 } 416 417 #define NB_SUFFIXES 4 418 419 static char *get_human_readable_size(char *buf, int buf_size, int64_t size) 420 { 421 static const char suffixes[NB_SUFFIXES] = {'K', 'M', 'G', 'T'}; 422 int64_t base; 423 int i; 424 425 if (size <= 999) { 426 snprintf(buf, buf_size, "%" PRId64, size); 427 } else { 428 base = 1024; 429 for (i = 0; i < NB_SUFFIXES; i++) { 430 if (size < (10 * base)) { 431 snprintf(buf, buf_size, "%0.1f%c", 432 (double)size / base, 433 suffixes[i]); 434 break; 435 } else if (size < (1000 * base) || i == (NB_SUFFIXES - 1)) { 436 snprintf(buf, buf_size, "%" PRId64 "%c", 437 ((size + (base >> 1)) / base), 438 suffixes[i]); 439 break; 440 } 441 base = base * 1024; 442 } 443 } 444 return buf; 445 } 446 447 void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f, 448 QEMUSnapshotInfo *sn) 449 { 450 char buf1[128], date_buf[128], clock_buf[128]; 451 struct tm tm; 452 time_t ti; 453 int64_t secs; 454 455 if (!sn) { 456 func_fprintf(f, 457 "%-10s%-20s%7s%20s%15s", 458 "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK"); 459 } else { 460 ti = sn->date_sec; 461 localtime_r(&ti, &tm); 462 strftime(date_buf, sizeof(date_buf), 463 "%Y-%m-%d %H:%M:%S", &tm); 464 secs = sn->vm_clock_nsec / 1000000000; 465 snprintf(clock_buf, sizeof(clock_buf), 466 "%02d:%02d:%02d.%03d", 467 (int)(secs / 3600), 468 (int)((secs / 60) % 60), 469 (int)(secs % 60), 470 (int)((sn->vm_clock_nsec / 1000000) % 1000)); 471 func_fprintf(f, 472 "%-10s%-20s%7s%20s%15s", 473 sn->id_str, sn->name, 474 get_human_readable_size(buf1, sizeof(buf1), 475 sn->vm_state_size), 476 date_buf, 477 clock_buf); 478 } 479 } 480 481 static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, 482 QDict *dict); 483 static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, 484 QList *list); 485 486 static void dump_qobject(fprintf_function func_fprintf, void *f, 487 int comp_indent, QObject *obj) 488 { 489 switch (qobject_type(obj)) { 490 case QTYPE_QINT: { 491 QInt *value = qobject_to_qint(obj); 492 func_fprintf(f, "%" PRId64, qint_get_int(value)); 493 break; 494 } 495 case QTYPE_QSTRING: { 496 QString *value = qobject_to_qstring(obj); 497 func_fprintf(f, "%s", qstring_get_str(value)); 498 break; 499 } 500 case QTYPE_QDICT: { 501 QDict *value = qobject_to_qdict(obj); 502 dump_qdict(func_fprintf, f, comp_indent, value); 503 break; 504 } 505 case QTYPE_QLIST: { 506 QList *value = qobject_to_qlist(obj); 507 dump_qlist(func_fprintf, f, comp_indent, value); 508 break; 509 } 510 case QTYPE_QFLOAT: { 511 QFloat *value = qobject_to_qfloat(obj); 512 func_fprintf(f, "%g", qfloat_get_double(value)); 513 break; 514 } 515 case QTYPE_QBOOL: { 516 QBool *value = qobject_to_qbool(obj); 517 func_fprintf(f, "%s", qbool_get_int(value) ? "true" : "false"); 518 break; 519 } 520 case QTYPE_QERROR: { 521 QString *value = qerror_human((QError *)obj); 522 func_fprintf(f, "%s", qstring_get_str(value)); 523 QDECREF(value); 524 break; 525 } 526 case QTYPE_NONE: 527 break; 528 case QTYPE_MAX: 529 default: 530 abort(); 531 } 532 } 533 534 static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, 535 QList *list) 536 { 537 const QListEntry *entry; 538 int i = 0; 539 540 for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { 541 qtype_code type = qobject_type(entry->value); 542 bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); 543 const char *format = composite ? "%*s[%i]:\n" : "%*s[%i]: "; 544 545 func_fprintf(f, format, indentation * 4, "", i); 546 dump_qobject(func_fprintf, f, indentation + 1, entry->value); 547 if (!composite) { 548 func_fprintf(f, "\n"); 549 } 550 } 551 } 552 553 static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, 554 QDict *dict) 555 { 556 const QDictEntry *entry; 557 558 for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { 559 qtype_code type = qobject_type(entry->value); 560 bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); 561 const char *format = composite ? "%*s%s:\n" : "%*s%s: "; 562 char key[strlen(entry->key) + 1]; 563 int i; 564 565 /* replace dashes with spaces in key (variable) names */ 566 for (i = 0; entry->key[i]; i++) { 567 key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; 568 } 569 key[i] = 0; 570 571 func_fprintf(f, format, indentation * 4, "", key); 572 dump_qobject(func_fprintf, f, indentation + 1, entry->value); 573 if (!composite) { 574 func_fprintf(f, "\n"); 575 } 576 } 577 } 578 579 void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f, 580 ImageInfoSpecific *info_spec) 581 { 582 QmpOutputVisitor *ov = qmp_output_visitor_new(); 583 QObject *obj, *data; 584 585 visit_type_ImageInfoSpecific(qmp_output_get_visitor(ov), &info_spec, NULL, 586 &error_abort); 587 obj = qmp_output_get_qobject(ov); 588 assert(qobject_type(obj) == QTYPE_QDICT); 589 data = qdict_get(qobject_to_qdict(obj), "data"); 590 dump_qobject(func_fprintf, f, 1, data); 591 qmp_output_visitor_cleanup(ov); 592 } 593 594 void bdrv_image_info_dump(fprintf_function func_fprintf, void *f, 595 ImageInfo *info) 596 { 597 char size_buf[128], dsize_buf[128]; 598 if (!info->has_actual_size) { 599 snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); 600 } else { 601 get_human_readable_size(dsize_buf, sizeof(dsize_buf), 602 info->actual_size); 603 } 604 get_human_readable_size(size_buf, sizeof(size_buf), info->virtual_size); 605 func_fprintf(f, 606 "image: %s\n" 607 "file format: %s\n" 608 "virtual size: %s (%" PRId64 " bytes)\n" 609 "disk size: %s\n", 610 info->filename, info->format, size_buf, 611 info->virtual_size, 612 dsize_buf); 613 614 if (info->has_encrypted && info->encrypted) { 615 func_fprintf(f, "encrypted: yes\n"); 616 } 617 618 if (info->has_cluster_size) { 619 func_fprintf(f, "cluster_size: %" PRId64 "\n", 620 info->cluster_size); 621 } 622 623 if (info->has_dirty_flag && info->dirty_flag) { 624 func_fprintf(f, "cleanly shut down: no\n"); 625 } 626 627 if (info->has_backing_filename) { 628 func_fprintf(f, "backing file: %s", info->backing_filename); 629 if (info->has_full_backing_filename) { 630 func_fprintf(f, " (actual path: %s)", info->full_backing_filename); 631 } 632 func_fprintf(f, "\n"); 633 if (info->has_backing_filename_format) { 634 func_fprintf(f, "backing file format: %s\n", 635 info->backing_filename_format); 636 } 637 } 638 639 if (info->has_snapshots) { 640 SnapshotInfoList *elem; 641 642 func_fprintf(f, "Snapshot list:\n"); 643 bdrv_snapshot_dump(func_fprintf, f, NULL); 644 func_fprintf(f, "\n"); 645 646 /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but 647 * we convert to the block layer's native QEMUSnapshotInfo for now. 648 */ 649 for (elem = info->snapshots; elem; elem = elem->next) { 650 QEMUSnapshotInfo sn = { 651 .vm_state_size = elem->value->vm_state_size, 652 .date_sec = elem->value->date_sec, 653 .date_nsec = elem->value->date_nsec, 654 .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + 655 elem->value->vm_clock_nsec, 656 }; 657 658 pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); 659 pstrcpy(sn.name, sizeof(sn.name), elem->value->name); 660 bdrv_snapshot_dump(func_fprintf, f, &sn); 661 func_fprintf(f, "\n"); 662 } 663 } 664 665 if (info->has_format_specific) { 666 func_fprintf(f, "Format specific information:\n"); 667 bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific); 668 } 669 } 670