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/throttle-groups.h" 28 #include "block/write-threshold.h" 29 #include "qmp-commands.h" 30 #include "qapi-visit.h" 31 #include "qapi/qmp-output-visitor.h" 32 #include "qapi/qmp/types.h" 33 #include "sysemu/block-backend.h" 34 35 BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs, Error **errp) 36 { 37 ImageInfo **p_image_info; 38 BlockDriverState *bs0; 39 BlockDeviceInfo *info = g_malloc0(sizeof(*info)); 40 41 info->file = g_strdup(bs->filename); 42 info->ro = bs->read_only; 43 info->drv = g_strdup(bs->drv->format_name); 44 info->encrypted = bs->encrypted; 45 info->encryption_key_missing = bdrv_key_required(bs); 46 47 info->cache = g_new(BlockdevCacheInfo, 1); 48 *info->cache = (BlockdevCacheInfo) { 49 .writeback = bdrv_enable_write_cache(bs), 50 .direct = !!(bs->open_flags & BDRV_O_NOCACHE), 51 .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH), 52 }; 53 54 if (bs->node_name[0]) { 55 info->has_node_name = true; 56 info->node_name = g_strdup(bs->node_name); 57 } 58 59 if (bs->backing_file[0]) { 60 info->has_backing_file = true; 61 info->backing_file = g_strdup(bs->backing_file); 62 } 63 64 info->backing_file_depth = bdrv_get_backing_file_depth(bs); 65 info->detect_zeroes = bs->detect_zeroes; 66 67 if (bs->io_limits_enabled) { 68 ThrottleConfig cfg; 69 70 throttle_group_get_config(bs, &cfg); 71 72 info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; 73 info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; 74 info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; 75 76 info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; 77 info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; 78 info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; 79 80 info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; 81 info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; 82 info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; 83 info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; 84 info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; 85 info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; 86 87 info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; 88 info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; 89 info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; 90 info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; 91 info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; 92 info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; 93 94 info->has_iops_size = cfg.op_size; 95 info->iops_size = cfg.op_size; 96 97 info->has_group = true; 98 info->group = g_strdup(throttle_group_get_name(bs)); 99 } 100 101 info->write_threshold = bdrv_write_threshold_get(bs); 102 103 bs0 = bs; 104 p_image_info = &info->image; 105 while (1) { 106 Error *local_err = NULL; 107 bdrv_query_image_info(bs0, p_image_info, &local_err); 108 if (local_err) { 109 error_propagate(errp, local_err); 110 qapi_free_BlockDeviceInfo(info); 111 return NULL; 112 } 113 if (bs0->drv && bs0->backing_hd) { 114 bs0 = bs0->backing_hd; 115 (*p_image_info)->has_backing_image = true; 116 p_image_info = &((*p_image_info)->backing_image); 117 } else { 118 break; 119 } 120 } 121 122 return info; 123 } 124 125 /* 126 * Returns 0 on success, with *p_list either set to describe snapshot 127 * information, or NULL because there are no snapshots. Returns -errno on 128 * error, with *p_list untouched. 129 */ 130 int bdrv_query_snapshot_info_list(BlockDriverState *bs, 131 SnapshotInfoList **p_list, 132 Error **errp) 133 { 134 int i, sn_count; 135 QEMUSnapshotInfo *sn_tab = NULL; 136 SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL; 137 SnapshotInfo *info; 138 139 sn_count = bdrv_snapshot_list(bs, &sn_tab); 140 if (sn_count < 0) { 141 const char *dev = bdrv_get_device_name(bs); 142 switch (sn_count) { 143 case -ENOMEDIUM: 144 error_setg(errp, "Device '%s' is not inserted", dev); 145 break; 146 case -ENOTSUP: 147 error_setg(errp, 148 "Device '%s' does not support internal snapshots", 149 dev); 150 break; 151 default: 152 error_setg_errno(errp, -sn_count, 153 "Can't list snapshots of device '%s'", dev); 154 break; 155 } 156 return sn_count; 157 } 158 159 for (i = 0; i < sn_count; i++) { 160 info = g_new0(SnapshotInfo, 1); 161 info->id = g_strdup(sn_tab[i].id_str); 162 info->name = g_strdup(sn_tab[i].name); 163 info->vm_state_size = sn_tab[i].vm_state_size; 164 info->date_sec = sn_tab[i].date_sec; 165 info->date_nsec = sn_tab[i].date_nsec; 166 info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; 167 info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; 168 169 info_list = g_new0(SnapshotInfoList, 1); 170 info_list->value = info; 171 172 /* XXX: waiting for the qapi to support qemu-queue.h types */ 173 if (!cur_item) { 174 head = cur_item = info_list; 175 } else { 176 cur_item->next = info_list; 177 cur_item = info_list; 178 } 179 180 } 181 182 g_free(sn_tab); 183 *p_list = head; 184 return 0; 185 } 186 187 /** 188 * bdrv_query_image_info: 189 * @bs: block device to examine 190 * @p_info: location to store image information 191 * @errp: location to store error information 192 * 193 * Store "flat" image information in @p_info. 194 * 195 * "Flat" means it does *not* query backing image information, 196 * i.e. (*pinfo)->has_backing_image will be set to false and 197 * (*pinfo)->backing_image to NULL even when the image does in fact have 198 * a backing image. 199 * 200 * @p_info will be set only on success. On error, store error in @errp. 201 */ 202 void bdrv_query_image_info(BlockDriverState *bs, 203 ImageInfo **p_info, 204 Error **errp) 205 { 206 int64_t size; 207 const char *backing_filename; 208 BlockDriverInfo bdi; 209 int ret; 210 Error *err = NULL; 211 ImageInfo *info; 212 213 size = bdrv_getlength(bs); 214 if (size < 0) { 215 error_setg_errno(errp, -size, "Can't get size of device '%s'", 216 bdrv_get_device_name(bs)); 217 return; 218 } 219 220 info = g_new0(ImageInfo, 1); 221 info->filename = g_strdup(bs->filename); 222 info->format = g_strdup(bdrv_get_format_name(bs)); 223 info->virtual_size = size; 224 info->actual_size = bdrv_get_allocated_file_size(bs); 225 info->has_actual_size = info->actual_size >= 0; 226 if (bdrv_is_encrypted(bs)) { 227 info->encrypted = true; 228 info->has_encrypted = true; 229 } 230 if (bdrv_get_info(bs, &bdi) >= 0) { 231 if (bdi.cluster_size != 0) { 232 info->cluster_size = bdi.cluster_size; 233 info->has_cluster_size = true; 234 } 235 info->dirty_flag = bdi.is_dirty; 236 info->has_dirty_flag = true; 237 } 238 info->format_specific = bdrv_get_specific_info(bs); 239 info->has_format_specific = info->format_specific != NULL; 240 241 backing_filename = bs->backing_file; 242 if (backing_filename[0] != '\0') { 243 char *backing_filename2 = g_malloc0(PATH_MAX); 244 info->backing_filename = g_strdup(backing_filename); 245 info->has_backing_filename = true; 246 bdrv_get_full_backing_filename(bs, backing_filename2, PATH_MAX, &err); 247 if (err) { 248 error_propagate(errp, err); 249 qapi_free_ImageInfo(info); 250 g_free(backing_filename2); 251 return; 252 } 253 254 if (strcmp(backing_filename, backing_filename2) != 0) { 255 info->full_backing_filename = 256 g_strdup(backing_filename2); 257 info->has_full_backing_filename = true; 258 } 259 260 if (bs->backing_format[0]) { 261 info->backing_filename_format = g_strdup(bs->backing_format); 262 info->has_backing_filename_format = true; 263 } 264 g_free(backing_filename2); 265 } 266 267 ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); 268 switch (ret) { 269 case 0: 270 if (info->snapshots) { 271 info->has_snapshots = true; 272 } 273 break; 274 /* recoverable error */ 275 case -ENOMEDIUM: 276 case -ENOTSUP: 277 error_free(err); 278 break; 279 default: 280 error_propagate(errp, err); 281 qapi_free_ImageInfo(info); 282 return; 283 } 284 285 *p_info = info; 286 } 287 288 /* @p_info will be set only on success. */ 289 static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, 290 Error **errp) 291 { 292 BlockInfo *info = g_malloc0(sizeof(*info)); 293 BlockDriverState *bs = blk_bs(blk); 294 info->device = g_strdup(blk_name(blk)); 295 info->type = g_strdup("unknown"); 296 info->locked = blk_dev_is_medium_locked(blk); 297 info->removable = blk_dev_has_removable_media(blk); 298 299 if (blk_dev_has_removable_media(blk)) { 300 info->has_tray_open = true; 301 info->tray_open = blk_dev_is_tray_open(blk); 302 } 303 304 if (bdrv_iostatus_is_enabled(bs)) { 305 info->has_io_status = true; 306 info->io_status = bs->iostatus; 307 } 308 309 if (!QLIST_EMPTY(&bs->dirty_bitmaps)) { 310 info->has_dirty_bitmaps = true; 311 info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); 312 } 313 314 if (bs->drv) { 315 info->has_inserted = true; 316 info->inserted = bdrv_block_device_info(bs, errp); 317 if (info->inserted == NULL) { 318 goto err; 319 } 320 } 321 322 *p_info = info; 323 return; 324 325 err: 326 qapi_free_BlockInfo(info); 327 } 328 329 static BlockStats *bdrv_query_stats(const BlockDriverState *bs, 330 bool query_backing) 331 { 332 BlockStats *s; 333 334 s = g_malloc0(sizeof(*s)); 335 336 if (bdrv_get_device_name(bs)[0]) { 337 s->has_device = true; 338 s->device = g_strdup(bdrv_get_device_name(bs)); 339 } 340 341 if (bdrv_get_node_name(bs)[0]) { 342 s->has_node_name = true; 343 s->node_name = g_strdup(bdrv_get_node_name(bs)); 344 } 345 346 s->stats = g_malloc0(sizeof(*s->stats)); 347 s->stats->rd_bytes = bs->stats.nr_bytes[BLOCK_ACCT_READ]; 348 s->stats->wr_bytes = bs->stats.nr_bytes[BLOCK_ACCT_WRITE]; 349 s->stats->rd_operations = bs->stats.nr_ops[BLOCK_ACCT_READ]; 350 s->stats->wr_operations = bs->stats.nr_ops[BLOCK_ACCT_WRITE]; 351 s->stats->rd_merged = bs->stats.merged[BLOCK_ACCT_READ]; 352 s->stats->wr_merged = bs->stats.merged[BLOCK_ACCT_WRITE]; 353 s->stats->wr_highest_offset = 354 bs->stats.wr_highest_sector * BDRV_SECTOR_SIZE; 355 s->stats->flush_operations = bs->stats.nr_ops[BLOCK_ACCT_FLUSH]; 356 s->stats->wr_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_WRITE]; 357 s->stats->rd_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_READ]; 358 s->stats->flush_total_time_ns = bs->stats.total_time_ns[BLOCK_ACCT_FLUSH]; 359 360 if (bs->file) { 361 s->has_parent = true; 362 s->parent = bdrv_query_stats(bs->file, query_backing); 363 } 364 365 if (query_backing && bs->backing_hd) { 366 s->has_backing = true; 367 s->backing = bdrv_query_stats(bs->backing_hd, query_backing); 368 } 369 370 return s; 371 } 372 373 BlockInfoList *qmp_query_block(Error **errp) 374 { 375 BlockInfoList *head = NULL, **p_next = &head; 376 BlockBackend *blk; 377 Error *local_err = NULL; 378 379 for (blk = blk_next(NULL); blk; blk = blk_next(blk)) { 380 BlockInfoList *info = g_malloc0(sizeof(*info)); 381 bdrv_query_info(blk, &info->value, &local_err); 382 if (local_err) { 383 error_propagate(errp, local_err); 384 goto err; 385 } 386 387 *p_next = info; 388 p_next = &info->next; 389 } 390 391 return head; 392 393 err: 394 qapi_free_BlockInfoList(head); 395 return NULL; 396 } 397 398 BlockStatsList *qmp_query_blockstats(bool has_query_nodes, 399 bool query_nodes, 400 Error **errp) 401 { 402 BlockStatsList *head = NULL, **p_next = &head; 403 BlockDriverState *bs = NULL; 404 405 /* Just to be safe if query_nodes is not always initialized */ 406 query_nodes = has_query_nodes && query_nodes; 407 408 while ((bs = query_nodes ? bdrv_next_node(bs) : bdrv_next(bs))) { 409 BlockStatsList *info = g_malloc0(sizeof(*info)); 410 AioContext *ctx = bdrv_get_aio_context(bs); 411 412 aio_context_acquire(ctx); 413 info->value = bdrv_query_stats(bs, !query_nodes); 414 aio_context_release(ctx); 415 416 *p_next = info; 417 p_next = &info->next; 418 } 419 420 return head; 421 } 422 423 #define NB_SUFFIXES 4 424 425 static char *get_human_readable_size(char *buf, int buf_size, int64_t size) 426 { 427 static const char suffixes[NB_SUFFIXES] = {'K', 'M', 'G', 'T'}; 428 int64_t base; 429 int i; 430 431 if (size <= 999) { 432 snprintf(buf, buf_size, "%" PRId64, size); 433 } else { 434 base = 1024; 435 for (i = 0; i < NB_SUFFIXES; i++) { 436 if (size < (10 * base)) { 437 snprintf(buf, buf_size, "%0.1f%c", 438 (double)size / base, 439 suffixes[i]); 440 break; 441 } else if (size < (1000 * base) || i == (NB_SUFFIXES - 1)) { 442 snprintf(buf, buf_size, "%" PRId64 "%c", 443 ((size + (base >> 1)) / base), 444 suffixes[i]); 445 break; 446 } 447 base = base * 1024; 448 } 449 } 450 return buf; 451 } 452 453 void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f, 454 QEMUSnapshotInfo *sn) 455 { 456 char buf1[128], date_buf[128], clock_buf[128]; 457 struct tm tm; 458 time_t ti; 459 int64_t secs; 460 461 if (!sn) { 462 func_fprintf(f, 463 "%-10s%-20s%7s%20s%15s", 464 "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK"); 465 } else { 466 ti = sn->date_sec; 467 localtime_r(&ti, &tm); 468 strftime(date_buf, sizeof(date_buf), 469 "%Y-%m-%d %H:%M:%S", &tm); 470 secs = sn->vm_clock_nsec / 1000000000; 471 snprintf(clock_buf, sizeof(clock_buf), 472 "%02d:%02d:%02d.%03d", 473 (int)(secs / 3600), 474 (int)((secs / 60) % 60), 475 (int)(secs % 60), 476 (int)((sn->vm_clock_nsec / 1000000) % 1000)); 477 func_fprintf(f, 478 "%-10s%-20s%7s%20s%15s", 479 sn->id_str, sn->name, 480 get_human_readable_size(buf1, sizeof(buf1), 481 sn->vm_state_size), 482 date_buf, 483 clock_buf); 484 } 485 } 486 487 static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, 488 QDict *dict); 489 static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, 490 QList *list); 491 492 static void dump_qobject(fprintf_function func_fprintf, void *f, 493 int comp_indent, QObject *obj) 494 { 495 switch (qobject_type(obj)) { 496 case QTYPE_QINT: { 497 QInt *value = qobject_to_qint(obj); 498 func_fprintf(f, "%" PRId64, qint_get_int(value)); 499 break; 500 } 501 case QTYPE_QSTRING: { 502 QString *value = qobject_to_qstring(obj); 503 func_fprintf(f, "%s", qstring_get_str(value)); 504 break; 505 } 506 case QTYPE_QDICT: { 507 QDict *value = qobject_to_qdict(obj); 508 dump_qdict(func_fprintf, f, comp_indent, value); 509 break; 510 } 511 case QTYPE_QLIST: { 512 QList *value = qobject_to_qlist(obj); 513 dump_qlist(func_fprintf, f, comp_indent, value); 514 break; 515 } 516 case QTYPE_QFLOAT: { 517 QFloat *value = qobject_to_qfloat(obj); 518 func_fprintf(f, "%g", qfloat_get_double(value)); 519 break; 520 } 521 case QTYPE_QBOOL: { 522 QBool *value = qobject_to_qbool(obj); 523 func_fprintf(f, "%s", qbool_get_int(value) ? "true" : "false"); 524 break; 525 } 526 case QTYPE_QERROR: { 527 QString *value = qerror_human((QError *)obj); 528 func_fprintf(f, "%s", qstring_get_str(value)); 529 QDECREF(value); 530 break; 531 } 532 default: 533 abort(); 534 } 535 } 536 537 static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation, 538 QList *list) 539 { 540 const QListEntry *entry; 541 int i = 0; 542 543 for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { 544 qtype_code type = qobject_type(entry->value); 545 bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); 546 const char *format = composite ? "%*s[%i]:\n" : "%*s[%i]: "; 547 548 func_fprintf(f, format, indentation * 4, "", i); 549 dump_qobject(func_fprintf, f, indentation + 1, entry->value); 550 if (!composite) { 551 func_fprintf(f, "\n"); 552 } 553 } 554 } 555 556 static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation, 557 QDict *dict) 558 { 559 const QDictEntry *entry; 560 561 for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { 562 qtype_code type = qobject_type(entry->value); 563 bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); 564 const char *format = composite ? "%*s%s:\n" : "%*s%s: "; 565 char key[strlen(entry->key) + 1]; 566 int i; 567 568 /* replace dashes with spaces in key (variable) names */ 569 for (i = 0; entry->key[i]; i++) { 570 key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; 571 } 572 key[i] = 0; 573 574 func_fprintf(f, format, indentation * 4, "", key); 575 dump_qobject(func_fprintf, f, indentation + 1, entry->value); 576 if (!composite) { 577 func_fprintf(f, "\n"); 578 } 579 } 580 } 581 582 void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f, 583 ImageInfoSpecific *info_spec) 584 { 585 QmpOutputVisitor *ov = qmp_output_visitor_new(); 586 QObject *obj, *data; 587 588 visit_type_ImageInfoSpecific(qmp_output_get_visitor(ov), &info_spec, NULL, 589 &error_abort); 590 obj = qmp_output_get_qobject(ov); 591 assert(qobject_type(obj) == QTYPE_QDICT); 592 data = qdict_get(qobject_to_qdict(obj), "data"); 593 dump_qobject(func_fprintf, f, 1, data); 594 qmp_output_visitor_cleanup(ov); 595 } 596 597 void bdrv_image_info_dump(fprintf_function func_fprintf, void *f, 598 ImageInfo *info) 599 { 600 char size_buf[128], dsize_buf[128]; 601 if (!info->has_actual_size) { 602 snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); 603 } else { 604 get_human_readable_size(dsize_buf, sizeof(dsize_buf), 605 info->actual_size); 606 } 607 get_human_readable_size(size_buf, sizeof(size_buf), info->virtual_size); 608 func_fprintf(f, 609 "image: %s\n" 610 "file format: %s\n" 611 "virtual size: %s (%" PRId64 " bytes)\n" 612 "disk size: %s\n", 613 info->filename, info->format, size_buf, 614 info->virtual_size, 615 dsize_buf); 616 617 if (info->has_encrypted && info->encrypted) { 618 func_fprintf(f, "encrypted: yes\n"); 619 } 620 621 if (info->has_cluster_size) { 622 func_fprintf(f, "cluster_size: %" PRId64 "\n", 623 info->cluster_size); 624 } 625 626 if (info->has_dirty_flag && info->dirty_flag) { 627 func_fprintf(f, "cleanly shut down: no\n"); 628 } 629 630 if (info->has_backing_filename) { 631 func_fprintf(f, "backing file: %s", info->backing_filename); 632 if (info->has_full_backing_filename) { 633 func_fprintf(f, " (actual path: %s)", info->full_backing_filename); 634 } 635 func_fprintf(f, "\n"); 636 if (info->has_backing_filename_format) { 637 func_fprintf(f, "backing file format: %s\n", 638 info->backing_filename_format); 639 } 640 } 641 642 if (info->has_snapshots) { 643 SnapshotInfoList *elem; 644 645 func_fprintf(f, "Snapshot list:\n"); 646 bdrv_snapshot_dump(func_fprintf, f, NULL); 647 func_fprintf(f, "\n"); 648 649 /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but 650 * we convert to the block layer's native QEMUSnapshotInfo for now. 651 */ 652 for (elem = info->snapshots; elem; elem = elem->next) { 653 QEMUSnapshotInfo sn = { 654 .vm_state_size = elem->value->vm_state_size, 655 .date_sec = elem->value->date_sec, 656 .date_nsec = elem->value->date_nsec, 657 .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + 658 elem->value->vm_clock_nsec, 659 }; 660 661 pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); 662 pstrcpy(sn.name, sizeof(sn.name), elem->value->name); 663 bdrv_snapshot_dump(func_fprintf, f, &sn); 664 func_fprintf(f, "\n"); 665 } 666 } 667 668 if (info->has_format_specific) { 669 func_fprintf(f, "Format specific information:\n"); 670 bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific); 671 } 672 } 673