sun4u: update PCI topology to include simba PCI bridges
[qemu/ar7.git] / block / qapi.c
blob7fa2437923242da71864d85951bb8e09815ec18f
1 /*
2 * Block layer qmp and info dump related functions
4 * Copyright (c) 2003-2008 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
25 #include "qemu/osdep.h"
26 #include "block/qapi.h"
27 #include "block/block_int.h"
28 #include "block/throttle-groups.h"
29 #include "block/write-threshold.h"
30 #include "qmp-commands.h"
31 #include "qapi-visit.h"
32 #include "qapi/qobject-output-visitor.h"
33 #include "qapi/qmp/types.h"
34 #include "sysemu/block-backend.h"
35 #include "qemu/cutils.h"
37 BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk,
38 BlockDriverState *bs, Error **errp)
40 ImageInfo **p_image_info;
41 BlockDriverState *bs0;
42 BlockDeviceInfo *info = g_malloc0(sizeof(*info));
44 info->file = g_strdup(bs->filename);
45 info->ro = bs->read_only;
46 info->drv = g_strdup(bs->drv->format_name);
47 info->encrypted = bs->encrypted;
48 info->encryption_key_missing = false;
50 info->cache = g_new(BlockdevCacheInfo, 1);
51 *info->cache = (BlockdevCacheInfo) {
52 .writeback = blk ? blk_enable_write_cache(blk) : true,
53 .direct = !!(bs->open_flags & BDRV_O_NOCACHE),
54 .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH),
57 if (bs->node_name[0]) {
58 info->has_node_name = true;
59 info->node_name = g_strdup(bs->node_name);
62 if (bs->backing_file[0]) {
63 info->has_backing_file = true;
64 info->backing_file = g_strdup(bs->backing_file);
67 info->detect_zeroes = bs->detect_zeroes;
69 if (blk && blk_get_public(blk)->throttle_group_member.throttle_state) {
70 ThrottleConfig cfg;
71 BlockBackendPublic *blkp = blk_get_public(blk);
73 throttle_group_get_config(&blkp->throttle_group_member, &cfg);
75 info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg;
76 info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg;
77 info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg;
79 info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg;
80 info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg;
81 info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg;
83 info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max;
84 info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max;
85 info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max;
86 info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max;
87 info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max;
88 info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max;
90 info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max;
91 info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max;
92 info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max;
93 info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max;
94 info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max;
95 info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max;
97 info->has_bps_max_length = info->has_bps_max;
98 info->bps_max_length =
99 cfg.buckets[THROTTLE_BPS_TOTAL].burst_length;
100 info->has_bps_rd_max_length = info->has_bps_rd_max;
101 info->bps_rd_max_length =
102 cfg.buckets[THROTTLE_BPS_READ].burst_length;
103 info->has_bps_wr_max_length = info->has_bps_wr_max;
104 info->bps_wr_max_length =
105 cfg.buckets[THROTTLE_BPS_WRITE].burst_length;
107 info->has_iops_max_length = info->has_iops_max;
108 info->iops_max_length =
109 cfg.buckets[THROTTLE_OPS_TOTAL].burst_length;
110 info->has_iops_rd_max_length = info->has_iops_rd_max;
111 info->iops_rd_max_length =
112 cfg.buckets[THROTTLE_OPS_READ].burst_length;
113 info->has_iops_wr_max_length = info->has_iops_wr_max;
114 info->iops_wr_max_length =
115 cfg.buckets[THROTTLE_OPS_WRITE].burst_length;
117 info->has_iops_size = cfg.op_size;
118 info->iops_size = cfg.op_size;
120 info->has_group = true;
121 info->group =
122 g_strdup(throttle_group_get_name(&blkp->throttle_group_member));
125 info->write_threshold = bdrv_write_threshold_get(bs);
127 bs0 = bs;
128 p_image_info = &info->image;
129 info->backing_file_depth = 0;
130 while (1) {
131 Error *local_err = NULL;
132 bdrv_query_image_info(bs0, p_image_info, &local_err);
133 if (local_err) {
134 error_propagate(errp, local_err);
135 qapi_free_BlockDeviceInfo(info);
136 return NULL;
139 if (bs0->drv && bs0->backing) {
140 info->backing_file_depth++;
141 bs0 = bs0->backing->bs;
142 (*p_image_info)->has_backing_image = true;
143 p_image_info = &((*p_image_info)->backing_image);
144 } else {
145 break;
148 /* Skip automatically inserted nodes that the user isn't aware of for
149 * query-block (blk != NULL), but not for query-named-block-nodes */
150 while (blk && bs0->drv && bs0->implicit) {
151 bs0 = backing_bs(bs0);
152 assert(bs0);
156 return info;
160 * Returns 0 on success, with *p_list either set to describe snapshot
161 * information, or NULL because there are no snapshots. Returns -errno on
162 * error, with *p_list untouched.
164 int bdrv_query_snapshot_info_list(BlockDriverState *bs,
165 SnapshotInfoList **p_list,
166 Error **errp)
168 int i, sn_count;
169 QEMUSnapshotInfo *sn_tab = NULL;
170 SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL;
171 SnapshotInfo *info;
173 sn_count = bdrv_snapshot_list(bs, &sn_tab);
174 if (sn_count < 0) {
175 const char *dev = bdrv_get_device_name(bs);
176 switch (sn_count) {
177 case -ENOMEDIUM:
178 error_setg(errp, "Device '%s' is not inserted", dev);
179 break;
180 case -ENOTSUP:
181 error_setg(errp,
182 "Device '%s' does not support internal snapshots",
183 dev);
184 break;
185 default:
186 error_setg_errno(errp, -sn_count,
187 "Can't list snapshots of device '%s'", dev);
188 break;
190 return sn_count;
193 for (i = 0; i < sn_count; i++) {
194 info = g_new0(SnapshotInfo, 1);
195 info->id = g_strdup(sn_tab[i].id_str);
196 info->name = g_strdup(sn_tab[i].name);
197 info->vm_state_size = sn_tab[i].vm_state_size;
198 info->date_sec = sn_tab[i].date_sec;
199 info->date_nsec = sn_tab[i].date_nsec;
200 info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000;
201 info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000;
203 info_list = g_new0(SnapshotInfoList, 1);
204 info_list->value = info;
206 /* XXX: waiting for the qapi to support qemu-queue.h types */
207 if (!cur_item) {
208 head = cur_item = info_list;
209 } else {
210 cur_item->next = info_list;
211 cur_item = info_list;
216 g_free(sn_tab);
217 *p_list = head;
218 return 0;
222 * bdrv_query_image_info:
223 * @bs: block device to examine
224 * @p_info: location to store image information
225 * @errp: location to store error information
227 * Store "flat" image information in @p_info.
229 * "Flat" means it does *not* query backing image information,
230 * i.e. (*pinfo)->has_backing_image will be set to false and
231 * (*pinfo)->backing_image to NULL even when the image does in fact have
232 * a backing image.
234 * @p_info will be set only on success. On error, store error in @errp.
236 void bdrv_query_image_info(BlockDriverState *bs,
237 ImageInfo **p_info,
238 Error **errp)
240 int64_t size;
241 const char *backing_filename;
242 BlockDriverInfo bdi;
243 int ret;
244 Error *err = NULL;
245 ImageInfo *info;
247 aio_context_acquire(bdrv_get_aio_context(bs));
249 size = bdrv_getlength(bs);
250 if (size < 0) {
251 error_setg_errno(errp, -size, "Can't get image size '%s'",
252 bs->exact_filename);
253 goto out;
256 info = g_new0(ImageInfo, 1);
257 info->filename = g_strdup(bs->filename);
258 info->format = g_strdup(bdrv_get_format_name(bs));
259 info->virtual_size = size;
260 info->actual_size = bdrv_get_allocated_file_size(bs);
261 info->has_actual_size = info->actual_size >= 0;
262 if (bdrv_is_encrypted(bs)) {
263 info->encrypted = true;
264 info->has_encrypted = true;
266 if (bdrv_get_info(bs, &bdi) >= 0) {
267 if (bdi.cluster_size != 0) {
268 info->cluster_size = bdi.cluster_size;
269 info->has_cluster_size = true;
271 info->dirty_flag = bdi.is_dirty;
272 info->has_dirty_flag = true;
274 info->format_specific = bdrv_get_specific_info(bs);
275 info->has_format_specific = info->format_specific != NULL;
277 backing_filename = bs->backing_file;
278 if (backing_filename[0] != '\0') {
279 char *backing_filename2 = g_malloc0(PATH_MAX);
280 info->backing_filename = g_strdup(backing_filename);
281 info->has_backing_filename = true;
282 bdrv_get_full_backing_filename(bs, backing_filename2, PATH_MAX, &err);
283 if (err) {
284 /* Can't reconstruct the full backing filename, so we must omit
285 * this field and apply a Best Effort to this query. */
286 g_free(backing_filename2);
287 backing_filename2 = NULL;
288 error_free(err);
289 err = NULL;
292 /* Always report the full_backing_filename if present, even if it's the
293 * same as backing_filename. That they are same is useful info. */
294 if (backing_filename2) {
295 info->full_backing_filename = g_strdup(backing_filename2);
296 info->has_full_backing_filename = true;
299 if (bs->backing_format[0]) {
300 info->backing_filename_format = g_strdup(bs->backing_format);
301 info->has_backing_filename_format = true;
303 g_free(backing_filename2);
306 ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err);
307 switch (ret) {
308 case 0:
309 if (info->snapshots) {
310 info->has_snapshots = true;
312 break;
313 /* recoverable error */
314 case -ENOMEDIUM:
315 case -ENOTSUP:
316 error_free(err);
317 break;
318 default:
319 error_propagate(errp, err);
320 qapi_free_ImageInfo(info);
321 goto out;
324 *p_info = info;
326 out:
327 aio_context_release(bdrv_get_aio_context(bs));
330 /* @p_info will be set only on success. */
331 static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info,
332 Error **errp)
334 BlockInfo *info = g_malloc0(sizeof(*info));
335 BlockDriverState *bs = blk_bs(blk);
336 char *qdev;
338 /* Skip automatically inserted nodes that the user isn't aware of */
339 while (bs && bs->drv && bs->implicit) {
340 bs = backing_bs(bs);
343 info->device = g_strdup(blk_name(blk));
344 info->type = g_strdup("unknown");
345 info->locked = blk_dev_is_medium_locked(blk);
346 info->removable = blk_dev_has_removable_media(blk);
348 qdev = blk_get_attached_dev_id(blk);
349 if (qdev && *qdev) {
350 info->has_qdev = true;
351 info->qdev = qdev;
352 } else {
353 g_free(qdev);
356 if (blk_dev_has_tray(blk)) {
357 info->has_tray_open = true;
358 info->tray_open = blk_dev_is_tray_open(blk);
361 if (blk_iostatus_is_enabled(blk)) {
362 info->has_io_status = true;
363 info->io_status = blk_iostatus(blk);
366 if (bs && !QLIST_EMPTY(&bs->dirty_bitmaps)) {
367 info->has_dirty_bitmaps = true;
368 info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs);
371 if (bs && bs->drv) {
372 info->has_inserted = true;
373 info->inserted = bdrv_block_device_info(blk, bs, errp);
374 if (info->inserted == NULL) {
375 goto err;
379 *p_info = info;
380 return;
382 err:
383 qapi_free_BlockInfo(info);
386 static void bdrv_query_blk_stats(BlockDeviceStats *ds, BlockBackend *blk)
388 BlockAcctStats *stats = blk_get_stats(blk);
389 BlockAcctTimedStats *ts = NULL;
391 ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ];
392 ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE];
393 ds->rd_operations = stats->nr_ops[BLOCK_ACCT_READ];
394 ds->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE];
396 ds->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ];
397 ds->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE];
398 ds->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH];
400 ds->invalid_rd_operations = stats->invalid_ops[BLOCK_ACCT_READ];
401 ds->invalid_wr_operations = stats->invalid_ops[BLOCK_ACCT_WRITE];
402 ds->invalid_flush_operations =
403 stats->invalid_ops[BLOCK_ACCT_FLUSH];
405 ds->rd_merged = stats->merged[BLOCK_ACCT_READ];
406 ds->wr_merged = stats->merged[BLOCK_ACCT_WRITE];
407 ds->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH];
408 ds->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE];
409 ds->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ];
410 ds->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH];
412 ds->has_idle_time_ns = stats->last_access_time_ns > 0;
413 if (ds->has_idle_time_ns) {
414 ds->idle_time_ns = block_acct_idle_time_ns(stats);
417 ds->account_invalid = stats->account_invalid;
418 ds->account_failed = stats->account_failed;
420 while ((ts = block_acct_interval_next(stats, ts))) {
421 BlockDeviceTimedStatsList *timed_stats =
422 g_malloc0(sizeof(*timed_stats));
423 BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats));
424 timed_stats->next = ds->timed_stats;
425 timed_stats->value = dev_stats;
426 ds->timed_stats = timed_stats;
428 TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ];
429 TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE];
430 TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH];
432 dev_stats->interval_length = ts->interval_length;
434 dev_stats->min_rd_latency_ns = timed_average_min(rd);
435 dev_stats->max_rd_latency_ns = timed_average_max(rd);
436 dev_stats->avg_rd_latency_ns = timed_average_avg(rd);
438 dev_stats->min_wr_latency_ns = timed_average_min(wr);
439 dev_stats->max_wr_latency_ns = timed_average_max(wr);
440 dev_stats->avg_wr_latency_ns = timed_average_avg(wr);
442 dev_stats->min_flush_latency_ns = timed_average_min(fl);
443 dev_stats->max_flush_latency_ns = timed_average_max(fl);
444 dev_stats->avg_flush_latency_ns = timed_average_avg(fl);
446 dev_stats->avg_rd_queue_depth =
447 block_acct_queue_depth(ts, BLOCK_ACCT_READ);
448 dev_stats->avg_wr_queue_depth =
449 block_acct_queue_depth(ts, BLOCK_ACCT_WRITE);
453 static BlockStats *bdrv_query_bds_stats(BlockDriverState *bs,
454 bool blk_level)
456 BlockStats *s = NULL;
458 s = g_malloc0(sizeof(*s));
459 s->stats = g_malloc0(sizeof(*s->stats));
461 if (!bs) {
462 return s;
465 /* Skip automatically inserted nodes that the user isn't aware of in
466 * a BlockBackend-level command. Stay at the exact node for a node-level
467 * command. */
468 while (blk_level && bs->drv && bs->implicit) {
469 bs = backing_bs(bs);
470 assert(bs);
473 if (bdrv_get_node_name(bs)[0]) {
474 s->has_node_name = true;
475 s->node_name = g_strdup(bdrv_get_node_name(bs));
478 s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset);
480 if (bs->file) {
481 s->has_parent = true;
482 s->parent = bdrv_query_bds_stats(bs->file->bs, blk_level);
485 if (blk_level && bs->backing) {
486 s->has_backing = true;
487 s->backing = bdrv_query_bds_stats(bs->backing->bs, blk_level);
490 return s;
493 BlockInfoList *qmp_query_block(Error **errp)
495 BlockInfoList *head = NULL, **p_next = &head;
496 BlockBackend *blk;
497 Error *local_err = NULL;
499 for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) {
500 BlockInfoList *info;
502 if (!*blk_name(blk) && !blk_get_attached_dev(blk)) {
503 continue;
506 info = g_malloc0(sizeof(*info));
507 bdrv_query_info(blk, &info->value, &local_err);
508 if (local_err) {
509 error_propagate(errp, local_err);
510 g_free(info);
511 qapi_free_BlockInfoList(head);
512 return NULL;
515 *p_next = info;
516 p_next = &info->next;
519 return head;
522 BlockStatsList *qmp_query_blockstats(bool has_query_nodes,
523 bool query_nodes,
524 Error **errp)
526 BlockStatsList *head = NULL, **p_next = &head;
527 BlockBackend *blk;
528 BlockDriverState *bs;
530 /* Just to be safe if query_nodes is not always initialized */
531 if (has_query_nodes && query_nodes) {
532 for (bs = bdrv_next_node(NULL); bs; bs = bdrv_next_node(bs)) {
533 BlockStatsList *info = g_malloc0(sizeof(*info));
534 AioContext *ctx = bdrv_get_aio_context(bs);
536 aio_context_acquire(ctx);
537 info->value = bdrv_query_bds_stats(bs, false);
538 aio_context_release(ctx);
540 *p_next = info;
541 p_next = &info->next;
543 } else {
544 for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
545 BlockStatsList *info = g_malloc0(sizeof(*info));
546 AioContext *ctx = blk_get_aio_context(blk);
547 BlockStats *s;
549 aio_context_acquire(ctx);
550 s = bdrv_query_bds_stats(blk_bs(blk), true);
551 s->has_device = true;
552 s->device = g_strdup(blk_name(blk));
553 bdrv_query_blk_stats(s->stats, blk);
554 aio_context_release(ctx);
556 info->value = s;
557 *p_next = info;
558 p_next = &info->next;
562 return head;
565 #define NB_SUFFIXES 4
567 static char *get_human_readable_size(char *buf, int buf_size, int64_t size)
569 static const char suffixes[NB_SUFFIXES] = {'K', 'M', 'G', 'T'};
570 int64_t base;
571 int i;
573 if (size <= 999) {
574 snprintf(buf, buf_size, "%" PRId64, size);
575 } else {
576 base = 1024;
577 for (i = 0; i < NB_SUFFIXES; i++) {
578 if (size < (10 * base)) {
579 snprintf(buf, buf_size, "%0.1f%c",
580 (double)size / base,
581 suffixes[i]);
582 break;
583 } else if (size < (1000 * base) || i == (NB_SUFFIXES - 1)) {
584 snprintf(buf, buf_size, "%" PRId64 "%c",
585 ((size + (base >> 1)) / base),
586 suffixes[i]);
587 break;
589 base = base * 1024;
592 return buf;
595 void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f,
596 QEMUSnapshotInfo *sn)
598 char buf1[128], date_buf[128], clock_buf[128];
599 struct tm tm;
600 time_t ti;
601 int64_t secs;
603 if (!sn) {
604 func_fprintf(f,
605 "%-10s%-20s%7s%20s%15s",
606 "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK");
607 } else {
608 ti = sn->date_sec;
609 localtime_r(&ti, &tm);
610 strftime(date_buf, sizeof(date_buf),
611 "%Y-%m-%d %H:%M:%S", &tm);
612 secs = sn->vm_clock_nsec / 1000000000;
613 snprintf(clock_buf, sizeof(clock_buf),
614 "%02d:%02d:%02d.%03d",
615 (int)(secs / 3600),
616 (int)((secs / 60) % 60),
617 (int)(secs % 60),
618 (int)((sn->vm_clock_nsec / 1000000) % 1000));
619 func_fprintf(f,
620 "%-10s%-20s%7s%20s%15s",
621 sn->id_str, sn->name,
622 get_human_readable_size(buf1, sizeof(buf1),
623 sn->vm_state_size),
624 date_buf,
625 clock_buf);
629 static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation,
630 QDict *dict);
631 static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation,
632 QList *list);
634 static void dump_qobject(fprintf_function func_fprintf, void *f,
635 int comp_indent, QObject *obj)
637 switch (qobject_type(obj)) {
638 case QTYPE_QNUM: {
639 QNum *value = qobject_to_qnum(obj);
640 char *tmp = qnum_to_string(value);
641 func_fprintf(f, "%s", tmp);
642 g_free(tmp);
643 break;
645 case QTYPE_QSTRING: {
646 QString *value = qobject_to_qstring(obj);
647 func_fprintf(f, "%s", qstring_get_str(value));
648 break;
650 case QTYPE_QDICT: {
651 QDict *value = qobject_to_qdict(obj);
652 dump_qdict(func_fprintf, f, comp_indent, value);
653 break;
655 case QTYPE_QLIST: {
656 QList *value = qobject_to_qlist(obj);
657 dump_qlist(func_fprintf, f, comp_indent, value);
658 break;
660 case QTYPE_QBOOL: {
661 QBool *value = qobject_to_qbool(obj);
662 func_fprintf(f, "%s", qbool_get_bool(value) ? "true" : "false");
663 break;
665 default:
666 abort();
670 static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation,
671 QList *list)
673 const QListEntry *entry;
674 int i = 0;
676 for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) {
677 QType type = qobject_type(entry->value);
678 bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST);
679 func_fprintf(f, "%*s[%i]:%c", indentation * 4, "", i,
680 composite ? '\n' : ' ');
681 dump_qobject(func_fprintf, f, indentation + 1, entry->value);
682 if (!composite) {
683 func_fprintf(f, "\n");
688 static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation,
689 QDict *dict)
691 const QDictEntry *entry;
693 for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) {
694 QType type = qobject_type(entry->value);
695 bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST);
696 char *key = g_malloc(strlen(entry->key) + 1);
697 int i;
699 /* replace dashes with spaces in key (variable) names */
700 for (i = 0; entry->key[i]; i++) {
701 key[i] = entry->key[i] == '-' ? ' ' : entry->key[i];
703 key[i] = 0;
704 func_fprintf(f, "%*s%s:%c", indentation * 4, "", key,
705 composite ? '\n' : ' ');
706 dump_qobject(func_fprintf, f, indentation + 1, entry->value);
707 if (!composite) {
708 func_fprintf(f, "\n");
710 g_free(key);
714 void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f,
715 ImageInfoSpecific *info_spec)
717 QObject *obj, *data;
718 Visitor *v = qobject_output_visitor_new(&obj);
720 visit_type_ImageInfoSpecific(v, NULL, &info_spec, &error_abort);
721 visit_complete(v, &obj);
722 data = qdict_get(qobject_to_qdict(obj), "data");
723 dump_qobject(func_fprintf, f, 1, data);
724 qobject_decref(obj);
725 visit_free(v);
728 void bdrv_image_info_dump(fprintf_function func_fprintf, void *f,
729 ImageInfo *info)
731 char size_buf[128], dsize_buf[128];
732 if (!info->has_actual_size) {
733 snprintf(dsize_buf, sizeof(dsize_buf), "unavailable");
734 } else {
735 get_human_readable_size(dsize_buf, sizeof(dsize_buf),
736 info->actual_size);
738 get_human_readable_size(size_buf, sizeof(size_buf), info->virtual_size);
739 func_fprintf(f,
740 "image: %s\n"
741 "file format: %s\n"
742 "virtual size: %s (%" PRId64 " bytes)\n"
743 "disk size: %s\n",
744 info->filename, info->format, size_buf,
745 info->virtual_size,
746 dsize_buf);
748 if (info->has_encrypted && info->encrypted) {
749 func_fprintf(f, "encrypted: yes\n");
752 if (info->has_cluster_size) {
753 func_fprintf(f, "cluster_size: %" PRId64 "\n",
754 info->cluster_size);
757 if (info->has_dirty_flag && info->dirty_flag) {
758 func_fprintf(f, "cleanly shut down: no\n");
761 if (info->has_backing_filename) {
762 func_fprintf(f, "backing file: %s", info->backing_filename);
763 if (!info->has_full_backing_filename) {
764 func_fprintf(f, " (cannot determine actual path)");
765 } else if (strcmp(info->backing_filename,
766 info->full_backing_filename) != 0) {
767 func_fprintf(f, " (actual path: %s)", info->full_backing_filename);
769 func_fprintf(f, "\n");
770 if (info->has_backing_filename_format) {
771 func_fprintf(f, "backing file format: %s\n",
772 info->backing_filename_format);
776 if (info->has_snapshots) {
777 SnapshotInfoList *elem;
779 func_fprintf(f, "Snapshot list:\n");
780 bdrv_snapshot_dump(func_fprintf, f, NULL);
781 func_fprintf(f, "\n");
783 /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but
784 * we convert to the block layer's native QEMUSnapshotInfo for now.
786 for (elem = info->snapshots; elem; elem = elem->next) {
787 QEMUSnapshotInfo sn = {
788 .vm_state_size = elem->value->vm_state_size,
789 .date_sec = elem->value->date_sec,
790 .date_nsec = elem->value->date_nsec,
791 .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL +
792 elem->value->vm_clock_nsec,
795 pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id);
796 pstrcpy(sn.name, sizeof(sn.name), elem->value->name);
797 bdrv_snapshot_dump(func_fprintf, f, &sn);
798 func_fprintf(f, "\n");
802 if (info->has_format_specific) {
803 func_fprintf(f, "Format specific information:\n");
804 bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific);