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Commit | Line | Data |
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f364ec65 WX |
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 | ||
80c71a24 | 25 | #include "qemu/osdep.h" |
31e40415 | 26 | #include "qemu/cutils.h" |
f364ec65 WX |
27 | #include "block/qapi.h" |
28 | #include "block/block_int.h" | |
e2c1c34f | 29 | #include "block/dirty-bitmap.h" |
76f4afb4 | 30 | #include "block/throttle-groups.h" |
e2462113 | 31 | #include "block/write-threshold.h" |
e688df6b | 32 | #include "qapi/error.h" |
9af23989 | 33 | #include "qapi/qapi-commands-block-core.h" |
b3db211f | 34 | #include "qapi/qobject-output-visitor.h" |
9af23989 | 35 | #include "qapi/qapi-visit-block-core.h" |
6b673957 | 36 | #include "qapi/qmp/qbool.h" |
452fcdbc | 37 | #include "qapi/qmp/qdict.h" |
47e6b297 | 38 | #include "qapi/qmp/qlist.h" |
15280c36 | 39 | #include "qapi/qmp/qnum.h" |
6b673957 | 40 | #include "qapi/qmp/qstring.h" |
e1ce7d74 | 41 | #include "qemu/qemu-print.h" |
d829a211 | 42 | #include "sysemu/block-backend.h" |
f364ec65 | 43 | |
c83f9fba | 44 | BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk, |
facda544 PK |
45 | BlockDriverState *bs, |
46 | bool flat, | |
47 | Error **errp) | |
c13163fb | 48 | { |
d5a8ee60 | 49 | ImageInfo **p_image_info; |
5d881359 | 50 | ImageInfo *backing_info; |
c3b29ae6 | 51 | BlockDriverState *backing; |
d470ad42 | 52 | BlockDeviceInfo *info; |
5d881359 | 53 | ERRP_GUARD(); |
c13163fb | 54 | |
d470ad42 HR |
55 | if (!bs->drv) { |
56 | error_setg(errp, "Block device %s is ejected", bs->node_name); | |
57 | return NULL; | |
58 | } | |
59 | ||
f30c66ba HR |
60 | bdrv_refresh_filename(bs); |
61 | ||
d470ad42 | 62 | info = g_malloc0(sizeof(*info)); |
c13163fb | 63 | info->file = g_strdup(bs->filename); |
307261b2 | 64 | info->ro = bdrv_is_read_only(bs); |
c13163fb BC |
65 | info->drv = g_strdup(bs->drv->format_name); |
66 | info->encrypted = bs->encrypted; | |
c13163fb | 67 | |
9e193c5a KW |
68 | info->cache = g_new(BlockdevCacheInfo, 1); |
69 | *info->cache = (BlockdevCacheInfo) { | |
c83f9fba | 70 | .writeback = blk ? blk_enable_write_cache(blk) : true, |
9e193c5a KW |
71 | .direct = !!(bs->open_flags & BDRV_O_NOCACHE), |
72 | .no_flush = !!(bs->open_flags & BDRV_O_NO_FLUSH), | |
73 | }; | |
74 | ||
c13163fb | 75 | if (bs->node_name[0]) { |
c13163fb BC |
76 | info->node_name = g_strdup(bs->node_name); |
77 | } | |
78 | ||
0b877d09 HR |
79 | backing = bdrv_cow_bs(bs); |
80 | if (backing) { | |
0b877d09 | 81 | info->backing_file = g_strdup(backing->filename); |
c13163fb BC |
82 | } |
83 | ||
590a63d5 VSO |
84 | if (!QLIST_EMPTY(&bs->dirty_bitmaps)) { |
85 | info->has_dirty_bitmaps = true; | |
86 | info->dirty_bitmaps = bdrv_query_dirty_bitmaps(bs); | |
87 | } | |
88 | ||
465bee1d | 89 | info->detect_zeroes = bs->detect_zeroes; |
c13163fb | 90 | |
022cdc9f | 91 | if (blk && blk_get_public(blk)->throttle_group_member.throttle_state) { |
c13163fb | 92 | ThrottleConfig cfg; |
022cdc9f | 93 | BlockBackendPublic *blkp = blk_get_public(blk); |
76f4afb4 | 94 | |
022cdc9f | 95 | throttle_group_get_config(&blkp->throttle_group_member, &cfg); |
76f4afb4 | 96 | |
c13163fb BC |
97 | info->bps = cfg.buckets[THROTTLE_BPS_TOTAL].avg; |
98 | info->bps_rd = cfg.buckets[THROTTLE_BPS_READ].avg; | |
99 | info->bps_wr = cfg.buckets[THROTTLE_BPS_WRITE].avg; | |
100 | ||
101 | info->iops = cfg.buckets[THROTTLE_OPS_TOTAL].avg; | |
102 | info->iops_rd = cfg.buckets[THROTTLE_OPS_READ].avg; | |
103 | info->iops_wr = cfg.buckets[THROTTLE_OPS_WRITE].avg; | |
104 | ||
105 | info->has_bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; | |
106 | info->bps_max = cfg.buckets[THROTTLE_BPS_TOTAL].max; | |
107 | info->has_bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; | |
108 | info->bps_rd_max = cfg.buckets[THROTTLE_BPS_READ].max; | |
109 | info->has_bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; | |
110 | info->bps_wr_max = cfg.buckets[THROTTLE_BPS_WRITE].max; | |
111 | ||
112 | info->has_iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; | |
113 | info->iops_max = cfg.buckets[THROTTLE_OPS_TOTAL].max; | |
114 | info->has_iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; | |
115 | info->iops_rd_max = cfg.buckets[THROTTLE_OPS_READ].max; | |
116 | info->has_iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; | |
117 | info->iops_wr_max = cfg.buckets[THROTTLE_OPS_WRITE].max; | |
118 | ||
398befdf AG |
119 | info->has_bps_max_length = info->has_bps_max; |
120 | info->bps_max_length = | |
121 | cfg.buckets[THROTTLE_BPS_TOTAL].burst_length; | |
122 | info->has_bps_rd_max_length = info->has_bps_rd_max; | |
123 | info->bps_rd_max_length = | |
124 | cfg.buckets[THROTTLE_BPS_READ].burst_length; | |
125 | info->has_bps_wr_max_length = info->has_bps_wr_max; | |
126 | info->bps_wr_max_length = | |
127 | cfg.buckets[THROTTLE_BPS_WRITE].burst_length; | |
128 | ||
129 | info->has_iops_max_length = info->has_iops_max; | |
130 | info->iops_max_length = | |
131 | cfg.buckets[THROTTLE_OPS_TOTAL].burst_length; | |
132 | info->has_iops_rd_max_length = info->has_iops_rd_max; | |
133 | info->iops_rd_max_length = | |
134 | cfg.buckets[THROTTLE_OPS_READ].burst_length; | |
135 | info->has_iops_wr_max_length = info->has_iops_wr_max; | |
136 | info->iops_wr_max_length = | |
137 | cfg.buckets[THROTTLE_OPS_WRITE].burst_length; | |
138 | ||
c13163fb BC |
139 | info->has_iops_size = cfg.op_size; |
140 | info->iops_size = cfg.op_size; | |
b8fe1694 | 141 | |
022cdc9f MP |
142 | info->group = |
143 | g_strdup(throttle_group_get_name(&blkp->throttle_group_member)); | |
c13163fb BC |
144 | } |
145 | ||
e2462113 FR |
146 | info->write_threshold = bdrv_write_threshold_get(bs); |
147 | ||
d5a8ee60 | 148 | p_image_info = &info->image; |
d3c8c674 | 149 | info->backing_file_depth = 0; |
facda544 | 150 | |
5d881359 HR |
151 | /* |
152 | * Skip automatically inserted nodes that the user isn't aware of for | |
153 | * query-block (blk != NULL), but not for query-named-block-nodes | |
154 | */ | |
c3b29ae6 | 155 | bdrv_query_image_info(bs, p_image_info, flat, blk != NULL, errp); |
5d881359 HR |
156 | if (*errp) { |
157 | qapi_free_BlockDeviceInfo(info); | |
158 | return NULL; | |
159 | } | |
d3c8c674 | 160 | |
5d881359 HR |
161 | backing_info = info->image->backing_image; |
162 | while (backing_info) { | |
163 | info->backing_file_depth++; | |
164 | backing_info = backing_info->backing_image; | |
d5a8ee60 AG |
165 | } |
166 | ||
c13163fb BC |
167 | return info; |
168 | } | |
169 | ||
fb0ed453 WX |
170 | /* |
171 | * Returns 0 on success, with *p_list either set to describe snapshot | |
172 | * information, or NULL because there are no snapshots. Returns -errno on | |
173 | * error, with *p_list untouched. | |
174 | */ | |
175 | int bdrv_query_snapshot_info_list(BlockDriverState *bs, | |
176 | SnapshotInfoList **p_list, | |
177 | Error **errp) | |
f364ec65 WX |
178 | { |
179 | int i, sn_count; | |
180 | QEMUSnapshotInfo *sn_tab = NULL; | |
95b3a8c8 | 181 | SnapshotInfoList *head = NULL, **tail = &head; |
fb0ed453 WX |
182 | SnapshotInfo *info; |
183 | ||
f364ec65 | 184 | sn_count = bdrv_snapshot_list(bs, &sn_tab); |
fb0ed453 WX |
185 | if (sn_count < 0) { |
186 | const char *dev = bdrv_get_device_name(bs); | |
187 | switch (sn_count) { | |
188 | case -ENOMEDIUM: | |
189 | error_setg(errp, "Device '%s' is not inserted", dev); | |
190 | break; | |
191 | case -ENOTSUP: | |
192 | error_setg(errp, | |
193 | "Device '%s' does not support internal snapshots", | |
194 | dev); | |
195 | break; | |
196 | default: | |
197 | error_setg_errno(errp, -sn_count, | |
198 | "Can't list snapshots of device '%s'", dev); | |
199 | break; | |
200 | } | |
201 | return sn_count; | |
202 | } | |
f364ec65 WX |
203 | |
204 | for (i = 0; i < sn_count; i++) { | |
fb0ed453 WX |
205 | info = g_new0(SnapshotInfo, 1); |
206 | info->id = g_strdup(sn_tab[i].id_str); | |
207 | info->name = g_strdup(sn_tab[i].name); | |
208 | info->vm_state_size = sn_tab[i].vm_state_size; | |
209 | info->date_sec = sn_tab[i].date_sec; | |
210 | info->date_nsec = sn_tab[i].date_nsec; | |
211 | info->vm_clock_sec = sn_tab[i].vm_clock_nsec / 1000000000; | |
212 | info->vm_clock_nsec = sn_tab[i].vm_clock_nsec % 1000000000; | |
b39847a5 PD |
213 | info->icount = sn_tab[i].icount; |
214 | info->has_icount = sn_tab[i].icount != -1ULL; | |
f364ec65 | 215 | |
95b3a8c8 | 216 | QAPI_LIST_APPEND(tail, info); |
f364ec65 WX |
217 | } |
218 | ||
219 | g_free(sn_tab); | |
fb0ed453 WX |
220 | *p_list = head; |
221 | return 0; | |
f364ec65 WX |
222 | } |
223 | ||
43526ec8 | 224 | /** |
a2085f89 HR |
225 | * Helper function for other query info functions. Store information about @bs |
226 | * in @info, setting @errp on error. | |
43526ec8 | 227 | */ |
b7cfc7d5 KW |
228 | static void GRAPH_RDLOCK |
229 | bdrv_do_query_node_info(BlockDriverState *bs, BlockNodeInfo *info, Error **errp) | |
f364ec65 | 230 | { |
52bf1e72 | 231 | int64_t size; |
43526ec8 | 232 | const char *backing_filename; |
f364ec65 | 233 | BlockDriverInfo bdi; |
43526ec8 WX |
234 | int ret; |
235 | Error *err = NULL; | |
f364ec65 | 236 | |
1963f8d5 PB |
237 | aio_context_acquire(bdrv_get_aio_context(bs)); |
238 | ||
52bf1e72 MA |
239 | size = bdrv_getlength(bs); |
240 | if (size < 0) { | |
9adceb02 FZ |
241 | error_setg_errno(errp, -size, "Can't get image size '%s'", |
242 | bs->exact_filename); | |
1963f8d5 | 243 | goto out; |
52bf1e72 | 244 | } |
f364ec65 | 245 | |
f30c66ba HR |
246 | bdrv_refresh_filename(bs); |
247 | ||
43526ec8 | 248 | info->filename = g_strdup(bs->filename); |
f364ec65 | 249 | info->format = g_strdup(bdrv_get_format_name(bs)); |
52bf1e72 | 250 | info->virtual_size = size; |
f364ec65 WX |
251 | info->actual_size = bdrv_get_allocated_file_size(bs); |
252 | info->has_actual_size = info->actual_size >= 0; | |
8b8277cd | 253 | if (bs->encrypted) { |
f364ec65 WX |
254 | info->encrypted = true; |
255 | info->has_encrypted = true; | |
256 | } | |
257 | if (bdrv_get_info(bs, &bdi) >= 0) { | |
258 | if (bdi.cluster_size != 0) { | |
259 | info->cluster_size = bdi.cluster_size; | |
260 | info->has_cluster_size = true; | |
261 | } | |
262 | info->dirty_flag = bdi.is_dirty; | |
263 | info->has_dirty_flag = true; | |
264 | } | |
1bf6e9ca AS |
265 | info->format_specific = bdrv_get_specific_info(bs, &err); |
266 | if (err) { | |
267 | error_propagate(errp, err); | |
1bf6e9ca AS |
268 | goto out; |
269 | } | |
43526ec8 | 270 | backing_filename = bs->backing_file; |
f364ec65 | 271 | if (backing_filename[0] != '\0') { |
6b6833c1 | 272 | char *backing_filename2; |
0b877d09 | 273 | |
f364ec65 | 274 | info->backing_filename = g_strdup(backing_filename); |
6b6833c1 | 275 | backing_filename2 = bdrv_get_full_backing_filename(bs, NULL); |
f364ec65 | 276 | |
12dcb1c0 JS |
277 | /* Always report the full_backing_filename if present, even if it's the |
278 | * same as backing_filename. That they are same is useful info. */ | |
279 | if (backing_filename2) { | |
280 | info->full_backing_filename = g_strdup(backing_filename2); | |
f364ec65 WX |
281 | } |
282 | ||
283 | if (bs->backing_format[0]) { | |
284 | info->backing_filename_format = g_strdup(bs->backing_format); | |
f364ec65 | 285 | } |
564d64bd | 286 | g_free(backing_filename2); |
f364ec65 | 287 | } |
43526ec8 WX |
288 | |
289 | ret = bdrv_query_snapshot_info_list(bs, &info->snapshots, &err); | |
290 | switch (ret) { | |
291 | case 0: | |
292 | if (info->snapshots) { | |
293 | info->has_snapshots = true; | |
294 | } | |
295 | break; | |
296 | /* recoverable error */ | |
297 | case -ENOMEDIUM: | |
298 | case -ENOTSUP: | |
299 | error_free(err); | |
300 | break; | |
301 | default: | |
302 | error_propagate(errp, err); | |
1963f8d5 | 303 | goto out; |
43526ec8 WX |
304 | } |
305 | ||
1963f8d5 PB |
306 | out: |
307 | aio_context_release(bdrv_get_aio_context(bs)); | |
f364ec65 WX |
308 | } |
309 | ||
a2085f89 HR |
310 | /** |
311 | * bdrv_query_image_info: | |
312 | * @bs: block node to examine | |
313 | * @p_info: location to store image information | |
5d881359 HR |
314 | * @flat: skip backing node information |
315 | * @skip_implicit_filters: skip implicit filters in the backing chain | |
a2085f89 HR |
316 | * @errp: location to store error information |
317 | * | |
5d881359 HR |
318 | * Store image information in @p_info, potentially recursively covering the |
319 | * backing chain. | |
320 | * | |
321 | * If @flat is true, do not query backing image information, i.e. | |
322 | * (*p_info)->has_backing_image will be set to false and | |
323 | * (*p_info)->backing_image to NULL even when the image does in fact have a | |
324 | * backing image. | |
a2085f89 | 325 | * |
5d881359 HR |
326 | * If @skip_implicit_filters is true, implicit filter nodes in the backing chain |
327 | * will be skipped when querying backing image information. | |
328 | * (@skip_implicit_filters is ignored when @flat is true.) | |
a2085f89 HR |
329 | * |
330 | * @p_info will be set only on success. On error, store error in @errp. | |
331 | */ | |
332 | void bdrv_query_image_info(BlockDriverState *bs, | |
333 | ImageInfo **p_info, | |
5d881359 HR |
334 | bool flat, |
335 | bool skip_implicit_filters, | |
a2085f89 HR |
336 | Error **errp) |
337 | { | |
338 | ImageInfo *info; | |
339 | ERRP_GUARD(); | |
340 | ||
341 | info = g_new0(ImageInfo, 1); | |
342 | bdrv_do_query_node_info(bs, qapi_ImageInfo_base(info), errp); | |
343 | if (*errp) { | |
5d881359 HR |
344 | goto fail; |
345 | } | |
346 | ||
347 | if (!flat) { | |
348 | BlockDriverState *backing; | |
349 | ||
350 | /* | |
351 | * Use any filtered child here (for backwards compatibility to when | |
352 | * we always took bs->backing, which might be any filtered child). | |
353 | */ | |
354 | backing = bdrv_filter_or_cow_bs(bs); | |
355 | if (skip_implicit_filters) { | |
356 | backing = bdrv_skip_implicit_filters(backing); | |
357 | } | |
358 | ||
359 | if (backing) { | |
360 | bdrv_query_image_info(backing, &info->backing_image, false, | |
361 | skip_implicit_filters, errp); | |
362 | if (*errp) { | |
363 | goto fail; | |
364 | } | |
365 | } | |
a2085f89 HR |
366 | } |
367 | ||
368 | *p_info = info; | |
5d881359 HR |
369 | return; |
370 | ||
371 | fail: | |
372 | assert(*errp); | |
373 | qapi_free_ImageInfo(info); | |
a2085f89 HR |
374 | } |
375 | ||
6cab3399 HR |
376 | /** |
377 | * bdrv_query_block_graph_info: | |
378 | * @bs: root node to start from | |
379 | * @p_info: location to store image information | |
380 | * @errp: location to store error information | |
381 | * | |
382 | * Store image information about the graph starting from @bs in @p_info. | |
383 | * | |
384 | * @p_info will be set only on success. On error, store error in @errp. | |
385 | */ | |
386 | void bdrv_query_block_graph_info(BlockDriverState *bs, | |
387 | BlockGraphInfo **p_info, | |
388 | Error **errp) | |
389 | { | |
390 | BlockGraphInfo *info; | |
391 | BlockChildInfoList **children_list_tail; | |
392 | BdrvChild *c; | |
393 | ERRP_GUARD(); | |
394 | ||
395 | info = g_new0(BlockGraphInfo, 1); | |
396 | bdrv_do_query_node_info(bs, qapi_BlockGraphInfo_base(info), errp); | |
397 | if (*errp) { | |
398 | goto fail; | |
399 | } | |
400 | ||
401 | children_list_tail = &info->children; | |
402 | ||
403 | QLIST_FOREACH(c, &bs->children, next) { | |
404 | BlockChildInfo *c_info; | |
405 | ||
406 | c_info = g_new0(BlockChildInfo, 1); | |
407 | QAPI_LIST_APPEND(children_list_tail, c_info); | |
408 | ||
409 | c_info->name = g_strdup(c->name); | |
410 | bdrv_query_block_graph_info(c->bs, &c_info->info, errp); | |
411 | if (*errp) { | |
412 | goto fail; | |
413 | } | |
414 | } | |
415 | ||
416 | *p_info = info; | |
417 | return; | |
418 | ||
419 | fail: | |
420 | assert(*errp != NULL); | |
421 | qapi_free_BlockGraphInfo(info); | |
422 | } | |
423 | ||
553a7e87 | 424 | /* @p_info will be set only on success. */ |
b7cfc7d5 KW |
425 | static void GRAPH_RDLOCK |
426 | bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, Error **errp) | |
f364ec65 WX |
427 | { |
428 | BlockInfo *info = g_malloc0(sizeof(*info)); | |
d829a211 | 429 | BlockDriverState *bs = blk_bs(blk); |
46eade7b KW |
430 | char *qdev; |
431 | ||
d3c8c674 | 432 | /* Skip automatically inserted nodes that the user isn't aware of */ |
0a7585db | 433 | bs = bdrv_skip_implicit_filters(bs); |
d3c8c674 | 434 | |
d829a211 | 435 | info->device = g_strdup(blk_name(blk)); |
f364ec65 | 436 | info->type = g_strdup("unknown"); |
a7f53e26 MA |
437 | info->locked = blk_dev_is_medium_locked(blk); |
438 | info->removable = blk_dev_has_removable_media(blk); | |
f364ec65 | 439 | |
46eade7b KW |
440 | qdev = blk_get_attached_dev_id(blk); |
441 | if (qdev && *qdev) { | |
46eade7b KW |
442 | info->qdev = qdev; |
443 | } else { | |
444 | g_free(qdev); | |
445 | } | |
446 | ||
327032ce | 447 | if (blk_dev_has_tray(blk)) { |
f364ec65 | 448 | info->has_tray_open = true; |
a7f53e26 | 449 | info->tray_open = blk_dev_is_tray_open(blk); |
f364ec65 WX |
450 | } |
451 | ||
373340b2 | 452 | if (blk_iostatus_is_enabled(blk)) { |
f364ec65 | 453 | info->has_io_status = true; |
373340b2 | 454 | info->io_status = blk_iostatus(blk); |
f364ec65 WX |
455 | } |
456 | ||
5433c24f | 457 | if (bs && bs->drv) { |
facda544 | 458 | info->inserted = bdrv_block_device_info(blk, bs, false, errp); |
d5a8ee60 AG |
459 | if (info->inserted == NULL) { |
460 | goto err; | |
553a7e87 | 461 | } |
f364ec65 | 462 | } |
553a7e87 WX |
463 | |
464 | *p_info = info; | |
465 | return; | |
466 | ||
467 | err: | |
468 | qapi_free_BlockInfo(info); | |
f364ec65 WX |
469 | } |
470 | ||
7e5c776d VSO |
471 | static uint64List *uint64_list(uint64_t *list, int size) |
472 | { | |
473 | int i; | |
474 | uint64List *out_list = NULL; | |
c3033fd3 | 475 | uint64List **tail = &out_list; |
7e5c776d VSO |
476 | |
477 | for (i = 0; i < size; i++) { | |
c3033fd3 | 478 | QAPI_LIST_APPEND(tail, list[i]); |
7e5c776d VSO |
479 | } |
480 | ||
7e5c776d VSO |
481 | return out_list; |
482 | } | |
483 | ||
54fde4ff MA |
484 | static BlockLatencyHistogramInfo * |
485 | bdrv_latency_histogram_stats(BlockLatencyHistogram *hist) | |
7e5c776d | 486 | { |
54fde4ff | 487 | BlockLatencyHistogramInfo *info; |
7e5c776d | 488 | |
54fde4ff MA |
489 | if (!hist->bins) { |
490 | return NULL; | |
7e5c776d | 491 | } |
54fde4ff MA |
492 | |
493 | info = g_new0(BlockLatencyHistogramInfo, 1); | |
494 | info->boundaries = uint64_list(hist->boundaries, hist->nbins - 1); | |
495 | info->bins = uint64_list(hist->bins, hist->nbins); | |
496 | return info; | |
7e5c776d VSO |
497 | } |
498 | ||
54302156 | 499 | static void bdrv_query_blk_stats(BlockDeviceStats *ds, BlockBackend *blk) |
2b77e60a KW |
500 | { |
501 | BlockAcctStats *stats = blk_get_stats(blk); | |
502 | BlockAcctTimedStats *ts = NULL; | |
54fde4ff | 503 | BlockLatencyHistogram *hgram; |
2b77e60a | 504 | |
54302156 HR |
505 | ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ]; |
506 | ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE]; | |
52eb76f4 | 507 | ds->zone_append_bytes = stats->nr_bytes[BLOCK_ACCT_ZONE_APPEND]; |
159f85dd | 508 | ds->unmap_bytes = stats->nr_bytes[BLOCK_ACCT_UNMAP]; |
54302156 HR |
509 | ds->rd_operations = stats->nr_ops[BLOCK_ACCT_READ]; |
510 | ds->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE]; | |
52eb76f4 | 511 | ds->zone_append_operations = stats->nr_ops[BLOCK_ACCT_ZONE_APPEND]; |
159f85dd | 512 | ds->unmap_operations = stats->nr_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 513 | |
54302156 HR |
514 | ds->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ]; |
515 | ds->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE]; | |
52eb76f4 SL |
516 | ds->failed_zone_append_operations = |
517 | stats->failed_ops[BLOCK_ACCT_ZONE_APPEND]; | |
54302156 | 518 | ds->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH]; |
159f85dd | 519 | ds->failed_unmap_operations = stats->failed_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 520 | |
54302156 HR |
521 | ds->invalid_rd_operations = stats->invalid_ops[BLOCK_ACCT_READ]; |
522 | ds->invalid_wr_operations = stats->invalid_ops[BLOCK_ACCT_WRITE]; | |
52eb76f4 SL |
523 | ds->invalid_zone_append_operations = |
524 | stats->invalid_ops[BLOCK_ACCT_ZONE_APPEND]; | |
54302156 | 525 | ds->invalid_flush_operations = |
2b77e60a | 526 | stats->invalid_ops[BLOCK_ACCT_FLUSH]; |
159f85dd | 527 | ds->invalid_unmap_operations = stats->invalid_ops[BLOCK_ACCT_UNMAP]; |
2b77e60a | 528 | |
54302156 HR |
529 | ds->rd_merged = stats->merged[BLOCK_ACCT_READ]; |
530 | ds->wr_merged = stats->merged[BLOCK_ACCT_WRITE]; | |
52eb76f4 | 531 | ds->zone_append_merged = stats->merged[BLOCK_ACCT_ZONE_APPEND]; |
159f85dd | 532 | ds->unmap_merged = stats->merged[BLOCK_ACCT_UNMAP]; |
54302156 HR |
533 | ds->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH]; |
534 | ds->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE]; | |
52eb76f4 SL |
535 | ds->zone_append_total_time_ns = |
536 | stats->total_time_ns[BLOCK_ACCT_ZONE_APPEND]; | |
54302156 HR |
537 | ds->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ]; |
538 | ds->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH]; | |
159f85dd | 539 | ds->unmap_total_time_ns = stats->total_time_ns[BLOCK_ACCT_UNMAP]; |
2b77e60a | 540 | |
54302156 HR |
541 | ds->has_idle_time_ns = stats->last_access_time_ns > 0; |
542 | if (ds->has_idle_time_ns) { | |
543 | ds->idle_time_ns = block_acct_idle_time_ns(stats); | |
2b77e60a KW |
544 | } |
545 | ||
54302156 HR |
546 | ds->account_invalid = stats->account_invalid; |
547 | ds->account_failed = stats->account_failed; | |
2b77e60a KW |
548 | |
549 | while ((ts = block_acct_interval_next(stats, ts))) { | |
2b77e60a | 550 | BlockDeviceTimedStats *dev_stats = g_malloc0(sizeof(*dev_stats)); |
2b77e60a KW |
551 | |
552 | TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ]; | |
553 | TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE]; | |
52eb76f4 | 554 | TimedAverage *zap = &ts->latency[BLOCK_ACCT_ZONE_APPEND]; |
2b77e60a KW |
555 | TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH]; |
556 | ||
557 | dev_stats->interval_length = ts->interval_length; | |
558 | ||
559 | dev_stats->min_rd_latency_ns = timed_average_min(rd); | |
560 | dev_stats->max_rd_latency_ns = timed_average_max(rd); | |
561 | dev_stats->avg_rd_latency_ns = timed_average_avg(rd); | |
562 | ||
563 | dev_stats->min_wr_latency_ns = timed_average_min(wr); | |
564 | dev_stats->max_wr_latency_ns = timed_average_max(wr); | |
565 | dev_stats->avg_wr_latency_ns = timed_average_avg(wr); | |
566 | ||
52eb76f4 SL |
567 | dev_stats->min_zone_append_latency_ns = timed_average_min(zap); |
568 | dev_stats->max_zone_append_latency_ns = timed_average_max(zap); | |
569 | dev_stats->avg_zone_append_latency_ns = timed_average_avg(zap); | |
570 | ||
2b77e60a KW |
571 | dev_stats->min_flush_latency_ns = timed_average_min(fl); |
572 | dev_stats->max_flush_latency_ns = timed_average_max(fl); | |
573 | dev_stats->avg_flush_latency_ns = timed_average_avg(fl); | |
574 | ||
575 | dev_stats->avg_rd_queue_depth = | |
576 | block_acct_queue_depth(ts, BLOCK_ACCT_READ); | |
577 | dev_stats->avg_wr_queue_depth = | |
578 | block_acct_queue_depth(ts, BLOCK_ACCT_WRITE); | |
52eb76f4 SL |
579 | dev_stats->avg_zone_append_queue_depth = |
580 | block_acct_queue_depth(ts, BLOCK_ACCT_ZONE_APPEND); | |
54aa3de7 EB |
581 | |
582 | QAPI_LIST_PREPEND(ds->timed_stats, dev_stats); | |
2b77e60a | 583 | } |
7e5c776d | 584 | |
54fde4ff MA |
585 | hgram = stats->latency_histogram; |
586 | ds->rd_latency_histogram | |
587 | = bdrv_latency_histogram_stats(&hgram[BLOCK_ACCT_READ]); | |
588 | ds->wr_latency_histogram | |
589 | = bdrv_latency_histogram_stats(&hgram[BLOCK_ACCT_WRITE]); | |
52eb76f4 SL |
590 | ds->zone_append_latency_histogram |
591 | = bdrv_latency_histogram_stats(&hgram[BLOCK_ACCT_ZONE_APPEND]); | |
54fde4ff MA |
592 | ds->flush_latency_histogram |
593 | = bdrv_latency_histogram_stats(&hgram[BLOCK_ACCT_FLUSH]); | |
2b77e60a KW |
594 | } |
595 | ||
6ec75a6a KW |
596 | static BlockStats * GRAPH_RDLOCK |
597 | bdrv_query_bds_stats(BlockDriverState *bs, bool blk_level) | |
f364ec65 | 598 | { |
3f26191c | 599 | BdrvChild *parent_child; |
0a7585db | 600 | BlockDriverState *filter_or_cow_bs; |
20a6d768 DL |
601 | BlockStats *s = NULL; |
602 | ||
603 | s = g_malloc0(sizeof(*s)); | |
604 | s->stats = g_malloc0(sizeof(*s->stats)); | |
605 | ||
606 | if (!bs) { | |
607 | return s; | |
608 | } | |
609 | ||
d3c8c674 KW |
610 | /* Skip automatically inserted nodes that the user isn't aware of in |
611 | * a BlockBackend-level command. Stay at the exact node for a node-level | |
612 | * command. */ | |
0a7585db HR |
613 | if (blk_level) { |
614 | bs = bdrv_skip_implicit_filters(bs); | |
d3c8c674 KW |
615 | } |
616 | ||
4875a779 | 617 | if (bdrv_get_node_name(bs)[0]) { |
4875a779 FZ |
618 | s->node_name = g_strdup(bdrv_get_node_name(bs)); |
619 | } | |
620 | ||
f7946da2 | 621 | s->stats->wr_highest_offset = stat64_get(&bs->wr_highest_offset); |
53d8f9d8 | 622 | |
d9245599 | 623 | s->driver_specific = bdrv_get_specific_stats(bs); |
d9245599 | 624 | |
3f26191c HR |
625 | parent_child = bdrv_primary_child(bs); |
626 | if (!parent_child || | |
627 | !(parent_child->role & (BDRV_CHILD_DATA | BDRV_CHILD_FILTERED))) | |
628 | { | |
629 | BdrvChild *c; | |
630 | ||
631 | /* | |
632 | * Look for a unique data-storing child. We do not need to look for | |
633 | * filtered children, as there would be only one and it would have been | |
634 | * the primary child. | |
635 | */ | |
636 | parent_child = NULL; | |
637 | QLIST_FOREACH(c, &bs->children, next) { | |
638 | if (c->role & BDRV_CHILD_DATA) { | |
639 | if (parent_child) { | |
640 | /* | |
641 | * There are multiple data-storing children and we cannot | |
642 | * choose between them. | |
643 | */ | |
644 | parent_child = NULL; | |
645 | break; | |
646 | } | |
647 | parent_child = c; | |
648 | } | |
649 | } | |
650 | } | |
651 | if (parent_child) { | |
3f26191c | 652 | s->parent = bdrv_query_bds_stats(parent_child->bs, blk_level); |
f364ec65 WX |
653 | } |
654 | ||
0a7585db HR |
655 | filter_or_cow_bs = bdrv_filter_or_cow_bs(bs); |
656 | if (blk_level && filter_or_cow_bs) { | |
657 | /* | |
658 | * Put any filtered or COW child here (for backwards | |
659 | * compatibility to when we put bs0->backing here, which might | |
660 | * be either) | |
661 | */ | |
0a7585db | 662 | s->backing = bdrv_query_bds_stats(filter_or_cow_bs, blk_level); |
c8059b97 FZ |
663 | } |
664 | ||
20a6d768 | 665 | return s; |
b07363a1 KW |
666 | } |
667 | ||
f364ec65 WX |
668 | BlockInfoList *qmp_query_block(Error **errp) |
669 | { | |
670 | BlockInfoList *head = NULL, **p_next = &head; | |
d829a211 | 671 | BlockBackend *blk; |
553a7e87 | 672 | Error *local_err = NULL; |
f364ec65 | 673 | |
b7cfc7d5 KW |
674 | GRAPH_RDLOCK_GUARD_MAINLOOP(); |
675 | ||
d5b68844 KW |
676 | for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
677 | BlockInfoList *info; | |
678 | ||
ec18b0a9 | 679 | if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
d5b68844 KW |
680 | continue; |
681 | } | |
682 | ||
683 | info = g_malloc0(sizeof(*info)); | |
d829a211 | 684 | bdrv_query_info(blk, &info->value, &local_err); |
84d18f06 | 685 | if (local_err) { |
553a7e87 | 686 | error_propagate(errp, local_err); |
903c341d MA |
687 | g_free(info); |
688 | qapi_free_BlockInfoList(head); | |
689 | return NULL; | |
553a7e87 | 690 | } |
f364ec65 WX |
691 | |
692 | *p_next = info; | |
693 | p_next = &info->next; | |
694 | } | |
695 | ||
696 | return head; | |
697 | } | |
698 | ||
f71eaa74 FZ |
699 | BlockStatsList *qmp_query_blockstats(bool has_query_nodes, |
700 | bool query_nodes, | |
701 | Error **errp) | |
f364ec65 | 702 | { |
c3033fd3 | 703 | BlockStatsList *head = NULL, **tail = &head; |
a6baa608 DL |
704 | BlockBackend *blk; |
705 | BlockDriverState *bs; | |
f364ec65 | 706 | |
6ec75a6a KW |
707 | GRAPH_RDLOCK_GUARD_MAINLOOP(); |
708 | ||
f71eaa74 | 709 | /* Just to be safe if query_nodes is not always initialized */ |
a6baa608 DL |
710 | if (has_query_nodes && query_nodes) { |
711 | for (bs = bdrv_next_node(NULL); bs; bs = bdrv_next_node(bs)) { | |
a6baa608 | 712 | AioContext *ctx = bdrv_get_aio_context(bs); |
13344f3a | 713 | |
a6baa608 | 714 | aio_context_acquire(ctx); |
c3033fd3 | 715 | QAPI_LIST_APPEND(tail, bdrv_query_bds_stats(bs, false)); |
a6baa608 | 716 | aio_context_release(ctx); |
a6baa608 DL |
717 | } |
718 | } else { | |
567dcb31 | 719 | for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) { |
a6baa608 DL |
720 | AioContext *ctx = blk_get_aio_context(blk); |
721 | BlockStats *s; | |
5a9cb5a9 | 722 | char *qdev; |
a6baa608 | 723 | |
567dcb31 KW |
724 | if (!*blk_name(blk) && !blk_get_attached_dev(blk)) { |
725 | continue; | |
726 | } | |
727 | ||
a6baa608 DL |
728 | aio_context_acquire(ctx); |
729 | s = bdrv_query_bds_stats(blk_bs(blk), true); | |
a6baa608 | 730 | s->device = g_strdup(blk_name(blk)); |
5a9cb5a9 KW |
731 | |
732 | qdev = blk_get_attached_dev_id(blk); | |
733 | if (qdev && *qdev) { | |
5a9cb5a9 KW |
734 | s->qdev = qdev; |
735 | } else { | |
736 | g_free(qdev); | |
737 | } | |
738 | ||
a6baa608 DL |
739 | bdrv_query_blk_stats(s->stats, blk); |
740 | aio_context_release(ctx); | |
741 | ||
c3033fd3 | 742 | QAPI_LIST_APPEND(tail, s); |
a6baa608 | 743 | } |
f364ec65 WX |
744 | } |
745 | ||
746 | return head; | |
747 | } | |
748 | ||
e1ce7d74 | 749 | void bdrv_snapshot_dump(QEMUSnapshotInfo *sn) |
f364ec65 | 750 | { |
39683553 | 751 | char clock_buf[128]; |
b39847a5 | 752 | char icount_buf[128] = {0}; |
f364ec65 | 753 | int64_t secs; |
de38b500 | 754 | char *sizing = NULL; |
f364ec65 WX |
755 | |
756 | if (!sn) { | |
26513a01 | 757 | qemu_printf("%-10s%-17s%8s%20s%13s%11s", |
b39847a5 | 758 | "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK", "ICOUNT"); |
f364ec65 | 759 | } else { |
39683553 DB |
760 | g_autoptr(GDateTime) date = g_date_time_new_from_unix_local(sn->date_sec); |
761 | g_autofree char *date_buf = g_date_time_format(date, "%Y-%m-%d %H:%M:%S"); | |
762 | ||
f364ec65 WX |
763 | secs = sn->vm_clock_nsec / 1000000000; |
764 | snprintf(clock_buf, sizeof(clock_buf), | |
765 | "%02d:%02d:%02d.%03d", | |
766 | (int)(secs / 3600), | |
767 | (int)((secs / 60) % 60), | |
768 | (int)(secs % 60), | |
769 | (int)((sn->vm_clock_nsec / 1000000) % 1000)); | |
de38b500 | 770 | sizing = size_to_str(sn->vm_state_size); |
b39847a5 PD |
771 | if (sn->icount != -1ULL) { |
772 | snprintf(icount_buf, sizeof(icount_buf), | |
773 | "%"PRId64, sn->icount); | |
774 | } | |
26513a01 | 775 | qemu_printf("%-9s %-16s %8s%20s%13s%11s", |
e1ce7d74 | 776 | sn->id_str, sn->name, |
de38b500 | 777 | sizing, |
e1ce7d74 | 778 | date_buf, |
b39847a5 PD |
779 | clock_buf, |
780 | icount_buf); | |
f364ec65 | 781 | } |
de38b500 | 782 | g_free(sizing); |
f364ec65 WX |
783 | } |
784 | ||
e1ce7d74 MA |
785 | static void dump_qdict(int indentation, QDict *dict); |
786 | static void dump_qlist(int indentation, QList *list); | |
a8d8ecb7 | 787 | |
e1ce7d74 | 788 | static void dump_qobject(int comp_indent, QObject *obj) |
a8d8ecb7 HR |
789 | { |
790 | switch (qobject_type(obj)) { | |
01b2ffce | 791 | case QTYPE_QNUM: { |
7dc847eb | 792 | QNum *value = qobject_to(QNum, obj); |
01b2ffce | 793 | char *tmp = qnum_to_string(value); |
e1ce7d74 | 794 | qemu_printf("%s", tmp); |
01b2ffce | 795 | g_free(tmp); |
a8d8ecb7 HR |
796 | break; |
797 | } | |
798 | case QTYPE_QSTRING: { | |
7dc847eb | 799 | QString *value = qobject_to(QString, obj); |
e1ce7d74 | 800 | qemu_printf("%s", qstring_get_str(value)); |
a8d8ecb7 HR |
801 | break; |
802 | } | |
803 | case QTYPE_QDICT: { | |
7dc847eb | 804 | QDict *value = qobject_to(QDict, obj); |
e1ce7d74 | 805 | dump_qdict(comp_indent, value); |
a8d8ecb7 HR |
806 | break; |
807 | } | |
808 | case QTYPE_QLIST: { | |
7dc847eb | 809 | QList *value = qobject_to(QList, obj); |
e1ce7d74 | 810 | dump_qlist(comp_indent, value); |
a8d8ecb7 HR |
811 | break; |
812 | } | |
a8d8ecb7 | 813 | case QTYPE_QBOOL: { |
7dc847eb | 814 | QBool *value = qobject_to(QBool, obj); |
e1ce7d74 | 815 | qemu_printf("%s", qbool_get_bool(value) ? "true" : "false"); |
a8d8ecb7 HR |
816 | break; |
817 | } | |
a8d8ecb7 HR |
818 | default: |
819 | abort(); | |
820 | } | |
821 | } | |
822 | ||
e1ce7d74 | 823 | static void dump_qlist(int indentation, QList *list) |
a8d8ecb7 HR |
824 | { |
825 | const QListEntry *entry; | |
826 | int i = 0; | |
827 | ||
828 | for (entry = qlist_first(list); entry; entry = qlist_next(entry), i++) { | |
1310a3d3 | 829 | QType type = qobject_type(entry->value); |
a8d8ecb7 | 830 | bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
e1ce7d74 MA |
831 | qemu_printf("%*s[%i]:%c", indentation * 4, "", i, |
832 | composite ? '\n' : ' '); | |
833 | dump_qobject(indentation + 1, entry->value); | |
a8d8ecb7 | 834 | if (!composite) { |
e1ce7d74 | 835 | qemu_printf("\n"); |
a8d8ecb7 HR |
836 | } |
837 | } | |
838 | } | |
839 | ||
e1ce7d74 | 840 | static void dump_qdict(int indentation, QDict *dict) |
a8d8ecb7 HR |
841 | { |
842 | const QDictEntry *entry; | |
843 | ||
844 | for (entry = qdict_first(dict); entry; entry = qdict_next(dict, entry)) { | |
1310a3d3 | 845 | QType type = qobject_type(entry->value); |
a8d8ecb7 | 846 | bool composite = (type == QTYPE_QDICT || type == QTYPE_QLIST); |
5eda6227 | 847 | char *key = g_malloc(strlen(entry->key) + 1); |
a8d8ecb7 HR |
848 | int i; |
849 | ||
850 | /* replace dashes with spaces in key (variable) names */ | |
851 | for (i = 0; entry->key[i]; i++) { | |
852 | key[i] = entry->key[i] == '-' ? ' ' : entry->key[i]; | |
853 | } | |
854 | key[i] = 0; | |
e1ce7d74 MA |
855 | qemu_printf("%*s%s:%c", indentation * 4, "", key, |
856 | composite ? '\n' : ' '); | |
857 | dump_qobject(indentation + 1, entry->value); | |
a8d8ecb7 | 858 | if (!composite) { |
e1ce7d74 | 859 | qemu_printf("\n"); |
a8d8ecb7 | 860 | } |
5eda6227 | 861 | g_free(key); |
a8d8ecb7 HR |
862 | } |
863 | } | |
864 | ||
3716470b HR |
865 | /* |
866 | * Return whether dumping the given QObject with dump_qobject() would | |
867 | * yield an empty dump, i.e. not print anything. | |
868 | */ | |
869 | static bool qobject_is_empty_dump(const QObject *obj) | |
870 | { | |
871 | switch (qobject_type(obj)) { | |
872 | case QTYPE_QNUM: | |
873 | case QTYPE_QSTRING: | |
874 | case QTYPE_QBOOL: | |
875 | return false; | |
876 | ||
877 | case QTYPE_QDICT: | |
878 | return qdict_size(qobject_to(QDict, obj)) == 0; | |
879 | ||
880 | case QTYPE_QLIST: | |
881 | return qlist_empty(qobject_to(QList, obj)); | |
882 | ||
883 | default: | |
884 | abort(); | |
885 | } | |
886 | } | |
887 | ||
888 | /** | |
889 | * Dumps the given ImageInfoSpecific object in a human-readable form, | |
890 | * prepending an optional prefix if the dump is not empty. | |
891 | */ | |
892 | void bdrv_image_info_specific_dump(ImageInfoSpecific *info_spec, | |
76c9e975 HR |
893 | const char *prefix, |
894 | int indentation) | |
a8d8ecb7 | 895 | { |
a8d8ecb7 | 896 | QObject *obj, *data; |
7d5e199a | 897 | Visitor *v = qobject_output_visitor_new(&obj); |
a8d8ecb7 | 898 | |
3b098d56 EB |
899 | visit_type_ImageInfoSpecific(v, NULL, &info_spec, &error_abort); |
900 | visit_complete(v, &obj); | |
7dc847eb | 901 | data = qdict_get(qobject_to(QDict, obj), "data"); |
3716470b HR |
902 | if (!qobject_is_empty_dump(data)) { |
903 | if (prefix) { | |
76c9e975 | 904 | qemu_printf("%*s%s", indentation * 4, "", prefix); |
3716470b | 905 | } |
76c9e975 | 906 | dump_qobject(indentation + 1, data); |
3716470b | 907 | } |
cb3e7f08 | 908 | qobject_unref(obj); |
3b098d56 | 909 | visit_free(v); |
a8d8ecb7 HR |
910 | } |
911 | ||
d570177b HR |
912 | /** |
913 | * Print the given @info object in human-readable form. Every field is indented | |
914 | * using the given @indentation (four spaces per indentation level). | |
915 | * | |
916 | * When using this to print a whole block graph, @protocol can be set to true to | |
917 | * signify that the given information is associated with a protocol node, i.e. | |
918 | * just data storage for an image, such that the data it presents is not really | |
919 | * a full VM disk. If so, several fields change name: For example, "virtual | |
920 | * size" is printed as "file length". | |
921 | * (Consider a qcow2 image, which is represented by a qcow2 node and a file | |
922 | * node. Printing a "virtual size" for the file node does not make sense, | |
923 | * because without the qcow2 node, it is not really a guest disk, so it does not | |
924 | * have a "virtual size". Therefore, we call it "file length" instead.) | |
925 | * | |
926 | * @protocol is ignored when @indentation is 0, because we take that to mean | |
927 | * that the associated node is the root node in the queried block graph, and | |
928 | * thus is always to be interpreted as a standalone guest disk. | |
929 | */ | |
930 | void bdrv_node_info_dump(BlockNodeInfo *info, int indentation, bool protocol) | |
f364ec65 | 931 | { |
de38b500 | 932 | char *size_buf, *dsize_buf; |
76c9e975 HR |
933 | g_autofree char *ind_s = g_strdup_printf("%*s", indentation * 4, ""); |
934 | ||
d570177b HR |
935 | if (indentation == 0) { |
936 | /* Top level, consider this a normal image */ | |
937 | protocol = false; | |
938 | } | |
939 | ||
f364ec65 | 940 | if (!info->has_actual_size) { |
de38b500 | 941 | dsize_buf = g_strdup("unavailable"); |
f364ec65 | 942 | } else { |
de38b500 | 943 | dsize_buf = size_to_str(info->actual_size); |
f364ec65 | 944 | } |
de38b500 | 945 | size_buf = size_to_str(info->virtual_size); |
d570177b HR |
946 | qemu_printf("%s%s: %s\n" |
947 | "%s%s: %s\n" | |
948 | "%s%s: %s (%" PRId64 " bytes)\n" | |
76c9e975 | 949 | "%sdisk size: %s\n", |
d570177b HR |
950 | ind_s, protocol ? "filename" : "image", info->filename, |
951 | ind_s, protocol ? "protocol type" : "file format", | |
952 | info->format, | |
953 | ind_s, protocol ? "file length" : "virtual size", | |
954 | size_buf, info->virtual_size, | |
76c9e975 | 955 | ind_s, dsize_buf); |
de38b500 EB |
956 | g_free(size_buf); |
957 | g_free(dsize_buf); | |
f364ec65 WX |
958 | |
959 | if (info->has_encrypted && info->encrypted) { | |
76c9e975 | 960 | qemu_printf("%sencrypted: yes\n", ind_s); |
f364ec65 WX |
961 | } |
962 | ||
963 | if (info->has_cluster_size) { | |
76c9e975 HR |
964 | qemu_printf("%scluster_size: %" PRId64 "\n", |
965 | ind_s, info->cluster_size); | |
f364ec65 WX |
966 | } |
967 | ||
968 | if (info->has_dirty_flag && info->dirty_flag) { | |
76c9e975 | 969 | qemu_printf("%scleanly shut down: no\n", ind_s); |
f364ec65 WX |
970 | } |
971 | ||
54fde4ff | 972 | if (info->backing_filename) { |
76c9e975 | 973 | qemu_printf("%sbacking file: %s", ind_s, info->backing_filename); |
54fde4ff | 974 | if (!info->full_backing_filename) { |
e1ce7d74 | 975 | qemu_printf(" (cannot determine actual path)"); |
5c9d9ca5 JS |
976 | } else if (strcmp(info->backing_filename, |
977 | info->full_backing_filename) != 0) { | |
e1ce7d74 | 978 | qemu_printf(" (actual path: %s)", info->full_backing_filename); |
f364ec65 | 979 | } |
e1ce7d74 | 980 | qemu_printf("\n"); |
54fde4ff | 981 | if (info->backing_filename_format) { |
76c9e975 HR |
982 | qemu_printf("%sbacking file format: %s\n", |
983 | ind_s, info->backing_filename_format); | |
f364ec65 WX |
984 | } |
985 | } | |
986 | ||
987 | if (info->has_snapshots) { | |
988 | SnapshotInfoList *elem; | |
f364ec65 | 989 | |
76c9e975 HR |
990 | qemu_printf("%sSnapshot list:\n", ind_s); |
991 | qemu_printf("%s", ind_s); | |
e1ce7d74 MA |
992 | bdrv_snapshot_dump(NULL); |
993 | qemu_printf("\n"); | |
f364ec65 WX |
994 | |
995 | /* Ideally bdrv_snapshot_dump() would operate on SnapshotInfoList but | |
996 | * we convert to the block layer's native QEMUSnapshotInfo for now. | |
997 | */ | |
998 | for (elem = info->snapshots; elem; elem = elem->next) { | |
999 | QEMUSnapshotInfo sn = { | |
1000 | .vm_state_size = elem->value->vm_state_size, | |
1001 | .date_sec = elem->value->date_sec, | |
1002 | .date_nsec = elem->value->date_nsec, | |
1003 | .vm_clock_nsec = elem->value->vm_clock_sec * 1000000000ULL + | |
1004 | elem->value->vm_clock_nsec, | |
b39847a5 PD |
1005 | .icount = elem->value->has_icount ? |
1006 | elem->value->icount : -1ULL, | |
f364ec65 WX |
1007 | }; |
1008 | ||
1009 | pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id); | |
1010 | pstrcpy(sn.name, sizeof(sn.name), elem->value->name); | |
76c9e975 | 1011 | qemu_printf("%s", ind_s); |
e1ce7d74 MA |
1012 | bdrv_snapshot_dump(&sn); |
1013 | qemu_printf("\n"); | |
f364ec65 WX |
1014 | } |
1015 | } | |
a8d8ecb7 | 1016 | |
54fde4ff | 1017 | if (info->format_specific) { |
3716470b | 1018 | bdrv_image_info_specific_dump(info->format_specific, |
76c9e975 HR |
1019 | "Format specific information:\n", |
1020 | indentation); | |
a8d8ecb7 | 1021 | } |
f364ec65 | 1022 | } |