scripts/make-release: ship u-boot source as a tarball
[qemu/ar7.git] / block / qapi.c
blobfc10f0a56560935b562fbbbb53bebd742c88854e
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;
44 if (!bs->drv) {
45 error_setg(errp, "Block device %s is ejected", bs->node_name);
46 return NULL;
49 info = g_malloc0(sizeof(*info));
50 info->file = g_strdup(bs->filename);
51 info->ro = bs->read_only;
52 info->drv = g_strdup(bs->drv->format_name);
53 info->encrypted = bs->encrypted;
54 info->encryption_key_missing = false;
56 info->cache = g_new(BlockdevCacheInfo, 1);
57 *info->cache = (BlockdevCacheInfo) {
58 .writeback = blk ? blk_enable_write_cache(blk) : true,
59 .direct = !!(bs->open_flags & BDRV_O_NOCACHE),
60 .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH),
63 if (bs->node_name[0]) {
64 info->has_node_name = true;
65 info->node_name = g_strdup(bs->node_name);
68 if (bs->backing_file[0]) {
69 info->has_backing_file = true;
70 info->backing_file = g_strdup(bs->backing_file);
73 info->detect_zeroes = bs->detect_zeroes;
75 if (blk && blk_get_public(blk)->throttle_group_member.throttle_state) {
76 ThrottleConfig cfg;
77 BlockBackendPublic *blkp = blk_get_public(blk);
79 throttle_group_get_config(&blkp->throttle_group_member, &cfg);
81 info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg;
82 info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg;
83 info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg;
85 info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg;
86 info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg;
87 info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg;
89 info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max;
90 info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max;
91 info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max;
92 info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max;
93 info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max;
94 info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max;
96 info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max;
97 info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max;
98 info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max;
99 info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max;
100 info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max;
101 info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max;
103 info->has_bps_max_length = info->has_bps_max;
104 info->bps_max_length =
105 cfg.buckets[THROTTLE_BPS_TOTAL].burst_length;
106 info->has_bps_rd_max_length = info->has_bps_rd_max;
107 info->bps_rd_max_length =
108 cfg.buckets[THROTTLE_BPS_READ].burst_length;
109 info->has_bps_wr_max_length = info->has_bps_wr_max;
110 info->bps_wr_max_length =
111 cfg.buckets[THROTTLE_BPS_WRITE].burst_length;
113 info->has_iops_max_length = info->has_iops_max;
114 info->iops_max_length =
115 cfg.buckets[THROTTLE_OPS_TOTAL].burst_length;
116 info->has_iops_rd_max_length = info->has_iops_rd_max;
117 info->iops_rd_max_length =
118 cfg.buckets[THROTTLE_OPS_READ].burst_length;
119 info->has_iops_wr_max_length = info->has_iops_wr_max;
120 info->iops_wr_max_length =
121 cfg.buckets[THROTTLE_OPS_WRITE].burst_length;
123 info->has_iops_size = cfg.op_size;
124 info->iops_size = cfg.op_size;
126 info->has_group = true;
127 info->group =
128 g_strdup(throttle_group_get_name(&blkp->throttle_group_member));
131 info->write_threshold = bdrv_write_threshold_get(bs);
133 bs0 = bs;
134 p_image_info = &info->image;
135 info->backing_file_depth = 0;
136 while (1) {
137 Error *local_err = NULL;
138 bdrv_query_image_info(bs0, p_image_info, &local_err);
139 if (local_err) {
140 error_propagate(errp, local_err);
141 qapi_free_BlockDeviceInfo(info);
142 return NULL;
145 if (bs0->drv && bs0->backing) {
146 info->backing_file_depth++;
147 bs0 = bs0->backing->bs;
148 (*p_image_info)->has_backing_image = true;
149 p_image_info = &((*p_image_info)->backing_image);
150 } else {
151 break;
154 /* Skip automatically inserted nodes that the user isn't aware of for
155 * query-block (blk != NULL), but not for query-named-block-nodes */
156 while (blk && bs0->drv && bs0->implicit) {
157 bs0 = backing_bs(bs0);
158 assert(bs0);
162 return info;
166 * Returns 0 on success, with *p_list either set to describe snapshot
167 * information, or NULL because there are no snapshots. Returns -errno on
168 * error, with *p_list untouched.
170 int bdrv_query_snapshot_info_list(BlockDriverState *bs,
171 SnapshotInfoList **p_list,
172 Error **errp)
174 int i, sn_count;
175 QEMUSnapshotInfo *sn_tab = NULL;
176 SnapshotInfoList *info_list, *cur_item = NULL, *head = NULL;
177 SnapshotInfo *info;
179 sn_count = bdrv_snapshot_list(bs, &sn_tab);
180 if (sn_count < 0) {
181 const char *dev = bdrv_get_device_name(bs);
182 switch (sn_count) {
183 case -ENOMEDIUM:
184 error_setg(errp, "Device '%s' is not inserted", dev);
185 break;
186 case -ENOTSUP:
187 error_setg(errp,
188 "Device '%s' does not support internal snapshots",
189 dev);
190 break;
191 default:
192 error_setg_errno(errp, -sn_count,
193 "Can't list snapshots of device '%s'", dev);
194 break;
196 return sn_count;
199 for (i = 0; i < sn_count; i++) {
200 info = g_new0(SnapshotInfo, 1);
201 info->id = g_strdup(sn_tab[i].id_str);
202 info->name = g_strdup(sn_tab[i].name);
203 info->vm_state_size = sn_tab[i].vm_state_size;
204 info->date_sec = sn_tab[i].date_sec;
205 info->date_nsec = sn_tab[i].date_nsec;
206 info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000;
207 info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000;
209 info_list = g_new0(SnapshotInfoList, 1);
210 info_list->value = info;
212 /* XXX: waiting for the qapi to support qemu-queue.h types */
213 if (!cur_item) {
214 head = cur_item = info_list;
215 } else {
216 cur_item->next = info_list;
217 cur_item = info_list;
222 g_free(sn_tab);
223 *p_list = head;
224 return 0;
228 * bdrv_query_image_info:
229 * @bs: block device to examine
230 * @p_info: location to store image information
231 * @errp: location to store error information
233 * Store "flat" image information in @p_info.
235 * "Flat" means it does *not* query backing image information,
236 * i.e. (*pinfo)->has_backing_image will be set to false and
237 * (*pinfo)->backing_image to NULL even when the image does in fact have
238 * a backing image.
240 * @p_info will be set only on success. On error, store error in @errp.
242 void bdrv_query_image_info(BlockDriverState *bs,
243 ImageInfo **p_info,
244 Error **errp)
246 int64_t size;
247 const char *backing_filename;
248 BlockDriverInfo bdi;
249 int ret;
250 Error *err = NULL;
251 ImageInfo *info;
253 aio_context_acquire(bdrv_get_aio_context(bs));
255 size = bdrv_getlength(bs);
256 if (size < 0) {
257 error_setg_errno(errp, -size, "Can't get image size '%s'",
258 bs->exact_filename);
259 goto out;
262 info = g_new0(ImageInfo, 1);
263 info->filename = g_strdup(bs->filename);
264 info->format = g_strdup(bdrv_get_format_name(bs));
265 info->virtual_size = size;
266 info->actual_size = bdrv_get_allocated_file_size(bs);
267 info->has_actual_size = info->actual_size >= 0;
268 if (bdrv_is_encrypted(bs)) {
269 info->encrypted = true;
270 info->has_encrypted = true;
272 if (bdrv_get_info(bs, &bdi) >= 0) {
273 if (bdi.cluster_size != 0) {
274 info->cluster_size = bdi.cluster_size;
275 info->has_cluster_size = true;
277 info->dirty_flag = bdi.is_dirty;
278 info->has_dirty_flag = true;
280 info->format_specific = bdrv_get_specific_info(bs);
281 info->has_format_specific = info->format_specific != NULL;
283 backing_filename = bs->backing_file;
284 if (backing_filename[0] != '\0') {
285 char *backing_filename2 = g_malloc0(PATH_MAX);
286 info->backing_filename = g_strdup(backing_filename);
287 info->has_backing_filename = true;
288 bdrv_get_full_backing_filename(bs, backing_filename2, PATH_MAX, &err);
289 if (err) {
290 /* Can't reconstruct the full backing filename, so we must omit
291 * this field and apply a Best Effort to this query. */
292 g_free(backing_filename2);
293 backing_filename2 = NULL;
294 error_free(err);
295 err = NULL;
298 /* Always report the full_backing_filename if present, even if it's the
299 * same as backing_filename. That they are same is useful info. */
300 if (backing_filename2) {
301 info->full_backing_filename = g_strdup(backing_filename2);
302 info->has_full_backing_filename = true;
305 if (bs->backing_format[0]) {
306 info->backing_filename_format = g_strdup(bs->backing_format);
307 info->has_backing_filename_format = true;
309 g_free(backing_filename2);
312 ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err);
313 switch (ret) {
314 case 0:
315 if (info->snapshots) {
316 info->has_snapshots = true;
318 break;
319 /* recoverable error */
320 case -ENOMEDIUM:
321 case -ENOTSUP:
322 error_free(err);
323 break;
324 default:
325 error_propagate(errp, err);
326 qapi_free_ImageInfo(info);
327 goto out;
330 *p_info = info;
332 out:
333 aio_context_release(bdrv_get_aio_context(bs));
336 /* @p_info will be set only on success. */
337 static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info,
338 Error **errp)
340 BlockInfo *info = g_malloc0(sizeof(*info));
341 BlockDriverState *bs = blk_bs(blk);
342 char *qdev;
344 /* Skip automatically inserted nodes that the user isn't aware of */
345 while (bs && bs->drv && bs->implicit) {
346 bs = backing_bs(bs);
349 info->device = g_strdup(blk_name(blk));
350 info->type = g_strdup("unknown");
351 info->locked = blk_dev_is_medium_locked(blk);
352 info->removable = blk_dev_has_removable_media(blk);
354 qdev = blk_get_attached_dev_id(blk);
355 if (qdev && *qdev) {
356 info->has_qdev = true;
357 info->qdev = qdev;
358 } else {
359 g_free(qdev);
362 if (blk_dev_has_tray(blk)) {
363 info->has_tray_open = true;
364 info->tray_open = blk_dev_is_tray_open(blk);
367 if (blk_iostatus_is_enabled(blk)) {
368 info->has_io_status = true;
369 info->io_status = blk_iostatus(blk);
372 if (bs && !QLIST_EMPTY(&bs->dirty_bitmaps)) {
373 info->has_dirty_bitmaps = true;
374 info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs);
377 if (bs && bs->drv) {
378 info->has_inserted = true;
379 info->inserted = bdrv_block_device_info(blk, bs, errp);
380 if (info->inserted == NULL) {
381 goto err;
385 *p_info = info;
386 return;
388 err:
389 qapi_free_BlockInfo(info);
392 static void bdrv_query_blk_stats(BlockDeviceStats *ds, BlockBackend *blk)
394 BlockAcctStats *stats = blk_get_stats(blk);
395 BlockAcctTimedStats *ts = NULL;
397 ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ];
398 ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE];
399 ds->rd_operations = stats->nr_ops[BLOCK_ACCT_READ];
400 ds->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE];
402 ds->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ];
403 ds->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE];
404 ds->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH];
406 ds->invalid_rd_operations = stats->invalid_ops[BLOCK_ACCT_READ];
407 ds->invalid_wr_operations = stats->invalid_ops[BLOCK_ACCT_WRITE];
408 ds->invalid_flush_operations =
409 stats->invalid_ops[BLOCK_ACCT_FLUSH];
411 ds->rd_merged = stats->merged[BLOCK_ACCT_READ];
412 ds->wr_merged = stats->merged[BLOCK_ACCT_WRITE];
413 ds->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH];
414 ds->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE];
415 ds->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ];
416 ds->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH];
418 ds->has_idle_time_ns = stats->last_access_time_ns > 0;
419 if (ds->has_idle_time_ns) {
420 ds->idle_time_ns = block_acct_idle_time_ns(stats);
423 ds->account_invalid = stats->account_invalid;
424 ds->account_failed = stats->account_failed;
426 while ((ts = block_acct_interval_next(stats, ts))) {
427 BlockDeviceTimedStatsList *timed_stats =
428 g_malloc0(sizeof(*timed_stats));
429 BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats));
430 timed_stats->next = ds->timed_stats;
431 timed_stats->value = dev_stats;
432 ds->timed_stats = timed_stats;
434 TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ];
435 TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE];
436 TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH];
438 dev_stats->interval_length = ts->interval_length;
440 dev_stats->min_rd_latency_ns = timed_average_min(rd);
441 dev_stats->max_rd_latency_ns = timed_average_max(rd);
442 dev_stats->avg_rd_latency_ns = timed_average_avg(rd);
444 dev_stats->min_wr_latency_ns = timed_average_min(wr);
445 dev_stats->max_wr_latency_ns = timed_average_max(wr);
446 dev_stats->avg_wr_latency_ns = timed_average_avg(wr);
448 dev_stats->min_flush_latency_ns = timed_average_min(fl);
449 dev_stats->max_flush_latency_ns = timed_average_max(fl);
450 dev_stats->avg_flush_latency_ns = timed_average_avg(fl);
452 dev_stats->avg_rd_queue_depth =
453 block_acct_queue_depth(ts, BLOCK_ACCT_READ);
454 dev_stats->avg_wr_queue_depth =
455 block_acct_queue_depth(ts, BLOCK_ACCT_WRITE);
459 static BlockStats *bdrv_query_bds_stats(BlockDriverState *bs,
460 bool blk_level)
462 BlockStats *s = NULL;
464 s = g_malloc0(sizeof(*s));
465 s->stats = g_malloc0(sizeof(*s->stats));
467 if (!bs) {
468 return s;
471 /* Skip automatically inserted nodes that the user isn't aware of in
472 * a BlockBackend-level command. Stay at the exact node for a node-level
473 * command. */
474 while (blk_level && bs->drv && bs->implicit) {
475 bs = backing_bs(bs);
476 assert(bs);
479 if (bdrv_get_node_name(bs)[0]) {
480 s->has_node_name = true;
481 s->node_name = g_strdup(bdrv_get_node_name(bs));
484 s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset);
486 if (bs->file) {
487 s->has_parent = true;
488 s->parent = bdrv_query_bds_stats(bs->file->bs, blk_level);
491 if (blk_level && bs->backing) {
492 s->has_backing = true;
493 s->backing = bdrv_query_bds_stats(bs->backing->bs, blk_level);
496 return s;
499 BlockInfoList *qmp_query_block(Error **errp)
501 BlockInfoList *head = NULL, **p_next = &head;
502 BlockBackend *blk;
503 Error *local_err = NULL;
505 for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) {
506 BlockInfoList *info;
508 if (!*blk_name(blk) && !blk_get_attached_dev(blk)) {
509 continue;
512 info = g_malloc0(sizeof(*info));
513 bdrv_query_info(blk, &info->value, &local_err);
514 if (local_err) {
515 error_propagate(errp, local_err);
516 g_free(info);
517 qapi_free_BlockInfoList(head);
518 return NULL;
521 *p_next = info;
522 p_next = &info->next;
525 return head;
528 BlockStatsList *qmp_query_blockstats(bool has_query_nodes,
529 bool query_nodes,
530 Error **errp)
532 BlockStatsList *head = NULL, **p_next = &head;
533 BlockBackend *blk;
534 BlockDriverState *bs;
536 /* Just to be safe if query_nodes is not always initialized */
537 if (has_query_nodes && query_nodes) {
538 for (bs = bdrv_next_node(NULL); bs; bs = bdrv_next_node(bs)) {
539 BlockStatsList *info = g_malloc0(sizeof(*info));
540 AioContext *ctx = bdrv_get_aio_context(bs);
542 aio_context_acquire(ctx);
543 info->value = bdrv_query_bds_stats(bs, false);
544 aio_context_release(ctx);
546 *p_next = info;
547 p_next = &info->next;
549 } else {
550 for (blk = blk_next(NULL); blk; blk = blk_next(blk)) {
551 BlockStatsList *info = g_malloc0(sizeof(*info));
552 AioContext *ctx = blk_get_aio_context(blk);
553 BlockStats *s;
555 aio_context_acquire(ctx);
556 s = bdrv_query_bds_stats(blk_bs(blk), true);
557 s->has_device = true;
558 s->device = g_strdup(blk_name(blk));
559 bdrv_query_blk_stats(s->stats, blk);
560 aio_context_release(ctx);
562 info->value = s;
563 *p_next = info;
564 p_next = &info->next;
568 return head;
571 #define NB_SUFFIXES 4
573 static char *get_human_readable_size(char *buf, int buf_size, int64_t size)
575 static const char suffixes[NB_SUFFIXES] = {'K', 'M', 'G', 'T'};
576 int64_t base;
577 int i;
579 if (size <= 999) {
580 snprintf(buf, buf_size, "%" PRId64, size);
581 } else {
582 base = 1024;
583 for (i = 0; i < NB_SUFFIXES; i++) {
584 if (size < (10 * base)) {
585 snprintf(buf, buf_size, "%0.1f%c",
586 (double)size / base,
587 suffixes[i]);
588 break;
589 } else if (size < (1000 * base) || i == (NB_SUFFIXES - 1)) {
590 snprintf(buf, buf_size, "%" PRId64 "%c",
591 ((size + (base >> 1)) / base),
592 suffixes[i]);
593 break;
595 base = base * 1024;
598 return buf;
601 void bdrv_snapshot_dump(fprintf_function func_fprintf, void *f,
602 QEMUSnapshotInfo *sn)
604 char buf1[128], date_buf[128], clock_buf[128];
605 struct tm tm;
606 time_t ti;
607 int64_t secs;
609 if (!sn) {
610 func_fprintf(f,
611 "%-10s%-20s%7s%20s%15s",
612 "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK");
613 } else {
614 ti = sn->date_sec;
615 localtime_r(&ti, &tm);
616 strftime(date_buf, sizeof(date_buf),
617 "%Y-%m-%d %H:%M:%S", &tm);
618 secs = sn->vm_clock_nsec / 1000000000;
619 snprintf(clock_buf, sizeof(clock_buf),
620 "%02d:%02d:%02d.%03d",
621 (int)(secs / 3600),
622 (int)((secs / 60) % 60),
623 (int)(secs % 60),
624 (int)((sn->vm_clock_nsec / 1000000) % 1000));
625 func_fprintf(f,
626 "%-10s%-20s%7s%20s%15s",
627 sn->id_str, sn->name,
628 get_human_readable_size(buf1, sizeof(buf1),
629 sn->vm_state_size),
630 date_buf,
631 clock_buf);
635 static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation,
636 QDict *dict);
637 static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation,
638 QList *list);
640 static void dump_qobject(fprintf_function func_fprintf, void *f,
641 int comp_indent, QObject *obj)
643 switch (qobject_type(obj)) {
644 case QTYPE_QNUM: {
645 QNum *value = qobject_to_qnum(obj);
646 char *tmp = qnum_to_string(value);
647 func_fprintf(f, "%s", tmp);
648 g_free(tmp);
649 break;
651 case QTYPE_QSTRING: {
652 QString *value = qobject_to_qstring(obj);
653 func_fprintf(f, "%s", qstring_get_str(value));
654 break;
656 case QTYPE_QDICT: {
657 QDict *value = qobject_to_qdict(obj);
658 dump_qdict(func_fprintf, f, comp_indent, value);
659 break;
661 case QTYPE_QLIST: {
662 QList *value = qobject_to_qlist(obj);
663 dump_qlist(func_fprintf, f, comp_indent, value);
664 break;
666 case QTYPE_QBOOL: {
667 QBool *value = qobject_to_qbool(obj);
668 func_fprintf(f, "%s", qbool_get_bool(value) ? "true" : "false");
669 break;
671 default:
672 abort();
676 static void dump_qlist(fprintf_function func_fprintf, void *f, int indentation,
677 QList *list)
679 const QListEntry *entry;
680 int i = 0;
682 for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) {
683 QType type = qobject_type(entry->value);
684 bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST);
685 func_fprintf(f, "%*s[%i]:%c", indentation * 4, "", i,
686 composite ? '\n' : ' ');
687 dump_qobject(func_fprintf, f, indentation + 1, entry->value);
688 if (!composite) {
689 func_fprintf(f, "\n");
694 static void dump_qdict(fprintf_function func_fprintf, void *f, int indentation,
695 QDict *dict)
697 const QDictEntry *entry;
699 for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) {
700 QType type = qobject_type(entry->value);
701 bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST);
702 char *key = g_malloc(strlen(entry->key) + 1);
703 int i;
705 /* replace dashes with spaces in key (variable) names */
706 for (i = 0; entry->key[i]; i++) {
707 key[i] = entry->key[i] == '-' ? ' ' : entry->key[i];
709 key[i] = 0;
710 func_fprintf(f, "%*s%s:%c", indentation * 4, "", key,
711 composite ? '\n' : ' ');
712 dump_qobject(func_fprintf, f, indentation + 1, entry->value);
713 if (!composite) {
714 func_fprintf(f, "\n");
716 g_free(key);
720 void bdrv_image_info_specific_dump(fprintf_function func_fprintf, void *f,
721 ImageInfoSpecific *info_spec)
723 QObject *obj, *data;
724 Visitor *v = qobject_output_visitor_new(&obj);
726 visit_type_ImageInfoSpecific(v, NULL, &info_spec, &error_abort);
727 visit_complete(v, &obj);
728 data = qdict_get(qobject_to_qdict(obj), "data");
729 dump_qobject(func_fprintf, f, 1, data);
730 qobject_decref(obj);
731 visit_free(v);
734 void bdrv_image_info_dump(fprintf_function func_fprintf, void *f,
735 ImageInfo *info)
737 char size_buf[128], dsize_buf[128];
738 if (!info->has_actual_size) {
739 snprintf(dsize_buf, sizeof(dsize_buf), "unavailable");
740 } else {
741 get_human_readable_size(dsize_buf, sizeof(dsize_buf),
742 info->actual_size);
744 get_human_readable_size(size_buf, sizeof(size_buf), info->virtual_size);
745 func_fprintf(f,
746 "image: %s\n"
747 "file format: %s\n"
748 "virtual size: %s (%" PRId64 " bytes)\n"
749 "disk size: %s\n",
750 info->filename, info->format, size_buf,
751 info->virtual_size,
752 dsize_buf);
754 if (info->has_encrypted && info->encrypted) {
755 func_fprintf(f, "encrypted: yes\n");
758 if (info->has_cluster_size) {
759 func_fprintf(f, "cluster_size: %" PRId64 "\n",
760 info->cluster_size);
763 if (info->has_dirty_flag && info->dirty_flag) {
764 func_fprintf(f, "cleanly shut down: no\n");
767 if (info->has_backing_filename) {
768 func_fprintf(f, "backing file: %s", info->backing_filename);
769 if (!info->has_full_backing_filename) {
770 func_fprintf(f, " (cannot determine actual path)");
771 } else if (strcmp(info->backing_filename,
772 info->full_backing_filename) != 0) {
773 func_fprintf(f, " (actual path: %s)", info->full_backing_filename);
775 func_fprintf(f, "\n");
776 if (info->has_backing_filename_format) {
777 func_fprintf(f, "backing file format: %s\n",
778 info->backing_filename_format);
782 if (info->has_snapshots) {
783 SnapshotInfoList *elem;
785 func_fprintf(f, "Snapshot list:\n");
786 bdrv_snapshot_dump(func_fprintf, f, NULL);
787 func_fprintf(f, "\n");
789 /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but
790 * we convert to the block layer's native QEMUSnapshotInfo for now.
792 for (elem = info->snapshots; elem; elem = elem->next) {
793 QEMUSnapshotInfo sn = {
794 .vm_state_size = elem->value->vm_state_size,
795 .date_sec = elem->value->date_sec,
796 .date_nsec = elem->value->date_nsec,
797 .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL +
798 elem->value->vm_clock_nsec,
801 pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id);
802 pstrcpy(sn.name, sizeof(sn.name), elem->value->name);
803 bdrv_snapshot_dump(func_fprintf, f, &sn);
804 func_fprintf(f, "\n");
808 if (info->has_format_specific) {
809 func_fprintf(f, "Format specific information:\n");
810 bdrv_image_info_specific_dump(func_fprintf, f, info->format_specific);