qmp_change_blockdev() remove unused has_format
[qemu/ar7.git] / hmp.c
blob32ee285a1e2b1cac31aada45c994418e3229a857
1 /*
2 * Human Monitor Interface
4 * Copyright IBM, Corp. 2011
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
12 * Contributions after 2012-01-13 are licensed under the terms of the
13 * GNU GPL, version 2 or (at your option) any later version.
16 #include "hmp.h"
17 #include "net/net.h"
18 #include "sysemu/char.h"
19 #include "qemu/option.h"
20 #include "qemu/timer.h"
21 #include "qmp-commands.h"
22 #include "qemu/sockets.h"
23 #include "monitor/monitor.h"
24 #include "ui/console.h"
25 #include "block/qapi.h"
26 #include "qemu-io.h"
28 static void hmp_handle_error(Monitor *mon, Error **errp)
30 if (error_is_set(errp)) {
31 monitor_printf(mon, "%s\n", error_get_pretty(*errp));
32 error_free(*errp);
36 void hmp_info_name(Monitor *mon, const QDict *qdict)
38 NameInfo *info;
40 info = qmp_query_name(NULL);
41 if (info->has_name) {
42 monitor_printf(mon, "%s\n", info->name);
44 qapi_free_NameInfo(info);
47 void hmp_info_version(Monitor *mon, const QDict *qdict)
49 VersionInfo *info;
51 info = qmp_query_version(NULL);
53 monitor_printf(mon, "%" PRId64 ".%" PRId64 ".%" PRId64 "%s\n",
54 info->qemu.major, info->qemu.minor, info->qemu.micro,
55 info->package);
57 qapi_free_VersionInfo(info);
60 void hmp_info_kvm(Monitor *mon, const QDict *qdict)
62 KvmInfo *info;
64 info = qmp_query_kvm(NULL);
65 monitor_printf(mon, "kvm support: ");
66 if (info->present) {
67 monitor_printf(mon, "%s\n", info->enabled ? "enabled" : "disabled");
68 } else {
69 monitor_printf(mon, "not compiled\n");
72 qapi_free_KvmInfo(info);
75 void hmp_info_status(Monitor *mon, const QDict *qdict)
77 StatusInfo *info;
79 info = qmp_query_status(NULL);
81 monitor_printf(mon, "VM status: %s%s",
82 info->running ? "running" : "paused",
83 info->singlestep ? " (single step mode)" : "");
85 if (!info->running && info->status != RUN_STATE_PAUSED) {
86 monitor_printf(mon, " (%s)", RunState_lookup[info->status]);
89 monitor_printf(mon, "\n");
91 qapi_free_StatusInfo(info);
94 void hmp_info_uuid(Monitor *mon, const QDict *qdict)
96 UuidInfo *info;
98 info = qmp_query_uuid(NULL);
99 monitor_printf(mon, "%s\n", info->UUID);
100 qapi_free_UuidInfo(info);
103 void hmp_info_chardev(Monitor *mon, const QDict *qdict)
105 ChardevInfoList *char_info, *info;
107 char_info = qmp_query_chardev(NULL);
108 for (info = char_info; info; info = info->next) {
109 monitor_printf(mon, "%s: filename=%s\n", info->value->label,
110 info->value->filename);
113 qapi_free_ChardevInfoList(char_info);
116 void hmp_info_mice(Monitor *mon, const QDict *qdict)
118 MouseInfoList *mice_list, *mouse;
120 mice_list = qmp_query_mice(NULL);
121 if (!mice_list) {
122 monitor_printf(mon, "No mouse devices connected\n");
123 return;
126 for (mouse = mice_list; mouse; mouse = mouse->next) {
127 monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
128 mouse->value->current ? '*' : ' ',
129 mouse->value->index, mouse->value->name,
130 mouse->value->absolute ? " (absolute)" : "");
133 qapi_free_MouseInfoList(mice_list);
136 void hmp_info_migrate(Monitor *mon, const QDict *qdict)
138 MigrationInfo *info;
139 MigrationCapabilityStatusList *caps, *cap;
141 info = qmp_query_migrate(NULL);
142 caps = qmp_query_migrate_capabilities(NULL);
144 /* do not display parameters during setup */
145 if (info->has_status && caps) {
146 monitor_printf(mon, "capabilities: ");
147 for (cap = caps; cap; cap = cap->next) {
148 monitor_printf(mon, "%s: %s ",
149 MigrationCapability_lookup[cap->value->capability],
150 cap->value->state ? "on" : "off");
152 monitor_printf(mon, "\n");
155 if (info->has_status) {
156 monitor_printf(mon, "Migration status: %s\n", info->status);
157 monitor_printf(mon, "total time: %" PRIu64 " milliseconds\n",
158 info->total_time);
159 if (info->has_expected_downtime) {
160 monitor_printf(mon, "expected downtime: %" PRIu64 " milliseconds\n",
161 info->expected_downtime);
163 if (info->has_downtime) {
164 monitor_printf(mon, "downtime: %" PRIu64 " milliseconds\n",
165 info->downtime);
167 if (info->has_setup_time) {
168 monitor_printf(mon, "setup: %" PRIu64 " milliseconds\n",
169 info->setup_time);
173 if (info->has_ram) {
174 monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n",
175 info->ram->transferred >> 10);
176 monitor_printf(mon, "throughput: %0.2f mbps\n",
177 info->ram->mbps);
178 monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n",
179 info->ram->remaining >> 10);
180 monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n",
181 info->ram->total >> 10);
182 monitor_printf(mon, "duplicate: %" PRIu64 " pages\n",
183 info->ram->duplicate);
184 monitor_printf(mon, "skipped: %" PRIu64 " pages\n",
185 info->ram->skipped);
186 monitor_printf(mon, "normal: %" PRIu64 " pages\n",
187 info->ram->normal);
188 monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n",
189 info->ram->normal_bytes >> 10);
190 if (info->ram->dirty_pages_rate) {
191 monitor_printf(mon, "dirty pages rate: %" PRIu64 " pages\n",
192 info->ram->dirty_pages_rate);
196 if (info->has_disk) {
197 monitor_printf(mon, "transferred disk: %" PRIu64 " kbytes\n",
198 info->disk->transferred >> 10);
199 monitor_printf(mon, "remaining disk: %" PRIu64 " kbytes\n",
200 info->disk->remaining >> 10);
201 monitor_printf(mon, "total disk: %" PRIu64 " kbytes\n",
202 info->disk->total >> 10);
205 if (info->has_xbzrle_cache) {
206 monitor_printf(mon, "cache size: %" PRIu64 " bytes\n",
207 info->xbzrle_cache->cache_size);
208 monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n",
209 info->xbzrle_cache->bytes >> 10);
210 monitor_printf(mon, "xbzrle pages: %" PRIu64 " pages\n",
211 info->xbzrle_cache->pages);
212 monitor_printf(mon, "xbzrle cache miss: %" PRIu64 "\n",
213 info->xbzrle_cache->cache_miss);
214 monitor_printf(mon, "xbzrle overflow : %" PRIu64 "\n",
215 info->xbzrle_cache->overflow);
218 qapi_free_MigrationInfo(info);
219 qapi_free_MigrationCapabilityStatusList(caps);
222 void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict)
224 MigrationCapabilityStatusList *caps, *cap;
226 caps = qmp_query_migrate_capabilities(NULL);
228 if (caps) {
229 monitor_printf(mon, "capabilities: ");
230 for (cap = caps; cap; cap = cap->next) {
231 monitor_printf(mon, "%s: %s ",
232 MigrationCapability_lookup[cap->value->capability],
233 cap->value->state ? "on" : "off");
235 monitor_printf(mon, "\n");
238 qapi_free_MigrationCapabilityStatusList(caps);
241 void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict)
243 monitor_printf(mon, "xbzrel cache size: %" PRId64 " kbytes\n",
244 qmp_query_migrate_cache_size(NULL) >> 10);
247 void hmp_info_cpus(Monitor *mon, const QDict *qdict)
249 CpuInfoList *cpu_list, *cpu;
251 cpu_list = qmp_query_cpus(NULL);
253 for (cpu = cpu_list; cpu; cpu = cpu->next) {
254 int active = ' ';
256 if (cpu->value->CPU == monitor_get_cpu_index()) {
257 active = '*';
260 monitor_printf(mon, "%c CPU #%" PRId64 ":", active, cpu->value->CPU);
262 if (cpu->value->has_pc) {
263 monitor_printf(mon, " pc=0x%016" PRIx64, cpu->value->pc);
265 if (cpu->value->has_nip) {
266 monitor_printf(mon, " nip=0x%016" PRIx64, cpu->value->nip);
268 if (cpu->value->has_npc) {
269 monitor_printf(mon, " npc=0x%016" PRIx64, cpu->value->npc);
271 if (cpu->value->has_PC) {
272 monitor_printf(mon, " PC=0x%016" PRIx64, cpu->value->PC);
275 if (cpu->value->halted) {
276 monitor_printf(mon, " (halted)");
279 monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
282 qapi_free_CpuInfoList(cpu_list);
285 void hmp_info_block(Monitor *mon, const QDict *qdict)
287 BlockInfoList *block_list, *info;
288 ImageInfo *image_info;
289 const char *device = qdict_get_try_str(qdict, "device");
290 bool verbose = qdict_get_try_bool(qdict, "verbose", 0);
292 block_list = qmp_query_block(NULL);
294 for (info = block_list; info; info = info->next) {
295 if (device && strcmp(device, info->value->device)) {
296 continue;
299 if (info != block_list) {
300 monitor_printf(mon, "\n");
303 monitor_printf(mon, "%s", info->value->device);
304 if (info->value->has_inserted) {
305 monitor_printf(mon, ": %s (%s%s%s)\n",
306 info->value->inserted->file,
307 info->value->inserted->drv,
308 info->value->inserted->ro ? ", read-only" : "",
309 info->value->inserted->encrypted ? ", encrypted" : "");
310 } else {
311 monitor_printf(mon, ": [not inserted]\n");
314 if (info->value->has_io_status && info->value->io_status != BLOCK_DEVICE_IO_STATUS_OK) {
315 monitor_printf(mon, " I/O status: %s\n",
316 BlockDeviceIoStatus_lookup[info->value->io_status]);
319 if (info->value->removable) {
320 monitor_printf(mon, " Removable device: %slocked, tray %s\n",
321 info->value->locked ? "" : "not ",
322 info->value->tray_open ? "open" : "closed");
326 if (!info->value->has_inserted) {
327 continue;
330 if (info->value->inserted->has_backing_file) {
331 monitor_printf(mon,
332 " Backing file: %s "
333 "(chain depth: %" PRId64 ")\n",
334 info->value->inserted->backing_file,
335 info->value->inserted->backing_file_depth);
338 if (info->value->inserted->bps
339 || info->value->inserted->bps_rd
340 || info->value->inserted->bps_wr
341 || info->value->inserted->iops
342 || info->value->inserted->iops_rd
343 || info->value->inserted->iops_wr)
345 monitor_printf(mon, " I/O throttling: bps=%" PRId64
346 " bps_rd=%" PRId64 " bps_wr=%" PRId64
347 " bps_max=%" PRId64
348 " bps_rd_max=%" PRId64
349 " bps_wr_max=%" PRId64
350 " iops=%" PRId64 " iops_rd=%" PRId64
351 " iops_wr=%" PRId64
352 " iops_max=%" PRId64
353 " iops_rd_max=%" PRId64
354 " iops_wr_max=%" PRId64
355 " iops_size=%" PRId64 "\n",
356 info->value->inserted->bps,
357 info->value->inserted->bps_rd,
358 info->value->inserted->bps_wr,
359 info->value->inserted->bps_max,
360 info->value->inserted->bps_rd_max,
361 info->value->inserted->bps_wr_max,
362 info->value->inserted->iops,
363 info->value->inserted->iops_rd,
364 info->value->inserted->iops_wr,
365 info->value->inserted->iops_max,
366 info->value->inserted->iops_rd_max,
367 info->value->inserted->iops_wr_max,
368 info->value->inserted->iops_size);
371 if (verbose) {
372 monitor_printf(mon, "\nImages:\n");
373 image_info = info->value->inserted->image;
374 while (1) {
375 bdrv_image_info_dump((fprintf_function)monitor_printf,
376 mon, image_info);
377 if (image_info->has_backing_image) {
378 image_info = image_info->backing_image;
379 } else {
380 break;
386 qapi_free_BlockInfoList(block_list);
389 void hmp_info_blockstats(Monitor *mon, const QDict *qdict)
391 BlockStatsList *stats_list, *stats;
393 stats_list = qmp_query_blockstats(NULL);
395 for (stats = stats_list; stats; stats = stats->next) {
396 if (!stats->value->has_device) {
397 continue;
400 monitor_printf(mon, "%s:", stats->value->device);
401 monitor_printf(mon, " rd_bytes=%" PRId64
402 " wr_bytes=%" PRId64
403 " rd_operations=%" PRId64
404 " wr_operations=%" PRId64
405 " flush_operations=%" PRId64
406 " wr_total_time_ns=%" PRId64
407 " rd_total_time_ns=%" PRId64
408 " flush_total_time_ns=%" PRId64
409 "\n",
410 stats->value->stats->rd_bytes,
411 stats->value->stats->wr_bytes,
412 stats->value->stats->rd_operations,
413 stats->value->stats->wr_operations,
414 stats->value->stats->flush_operations,
415 stats->value->stats->wr_total_time_ns,
416 stats->value->stats->rd_total_time_ns,
417 stats->value->stats->flush_total_time_ns);
420 qapi_free_BlockStatsList(stats_list);
423 void hmp_info_vnc(Monitor *mon, const QDict *qdict)
425 VncInfo *info;
426 Error *err = NULL;
427 VncClientInfoList *client;
429 info = qmp_query_vnc(&err);
430 if (err) {
431 monitor_printf(mon, "%s\n", error_get_pretty(err));
432 error_free(err);
433 return;
436 if (!info->enabled) {
437 monitor_printf(mon, "Server: disabled\n");
438 goto out;
441 monitor_printf(mon, "Server:\n");
442 if (info->has_host && info->has_service) {
443 monitor_printf(mon, " address: %s:%s\n", info->host, info->service);
445 if (info->has_auth) {
446 monitor_printf(mon, " auth: %s\n", info->auth);
449 if (!info->has_clients || info->clients == NULL) {
450 monitor_printf(mon, "Client: none\n");
451 } else {
452 for (client = info->clients; client; client = client->next) {
453 monitor_printf(mon, "Client:\n");
454 monitor_printf(mon, " address: %s:%s\n",
455 client->value->host, client->value->service);
456 monitor_printf(mon, " x509_dname: %s\n",
457 client->value->x509_dname ?
458 client->value->x509_dname : "none");
459 monitor_printf(mon, " username: %s\n",
460 client->value->has_sasl_username ?
461 client->value->sasl_username : "none");
465 out:
466 qapi_free_VncInfo(info);
469 void hmp_info_spice(Monitor *mon, const QDict *qdict)
471 SpiceChannelList *chan;
472 SpiceInfo *info;
474 info = qmp_query_spice(NULL);
476 if (!info->enabled) {
477 monitor_printf(mon, "Server: disabled\n");
478 goto out;
481 monitor_printf(mon, "Server:\n");
482 if (info->has_port) {
483 monitor_printf(mon, " address: %s:%" PRId64 "\n",
484 info->host, info->port);
486 if (info->has_tls_port) {
487 monitor_printf(mon, " address: %s:%" PRId64 " [tls]\n",
488 info->host, info->tls_port);
490 monitor_printf(mon, " migrated: %s\n",
491 info->migrated ? "true" : "false");
492 monitor_printf(mon, " auth: %s\n", info->auth);
493 monitor_printf(mon, " compiled: %s\n", info->compiled_version);
494 monitor_printf(mon, " mouse-mode: %s\n",
495 SpiceQueryMouseMode_lookup[info->mouse_mode]);
497 if (!info->has_channels || info->channels == NULL) {
498 monitor_printf(mon, "Channels: none\n");
499 } else {
500 for (chan = info->channels; chan; chan = chan->next) {
501 monitor_printf(mon, "Channel:\n");
502 monitor_printf(mon, " address: %s:%s%s\n",
503 chan->value->host, chan->value->port,
504 chan->value->tls ? " [tls]" : "");
505 monitor_printf(mon, " session: %" PRId64 "\n",
506 chan->value->connection_id);
507 monitor_printf(mon, " channel: %" PRId64 ":%" PRId64 "\n",
508 chan->value->channel_type, chan->value->channel_id);
512 out:
513 qapi_free_SpiceInfo(info);
516 void hmp_info_balloon(Monitor *mon, const QDict *qdict)
518 BalloonInfo *info;
519 Error *err = NULL;
521 info = qmp_query_balloon(&err);
522 if (err) {
523 monitor_printf(mon, "%s\n", error_get_pretty(err));
524 error_free(err);
525 return;
528 monitor_printf(mon, "balloon: actual=%" PRId64 "\n", info->actual >> 20);
530 qapi_free_BalloonInfo(info);
533 static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev)
535 PciMemoryRegionList *region;
537 monitor_printf(mon, " Bus %2" PRId64 ", ", dev->bus);
538 monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n",
539 dev->slot, dev->function);
540 monitor_printf(mon, " ");
542 if (dev->class_info.has_desc) {
543 monitor_printf(mon, "%s", dev->class_info.desc);
544 } else {
545 monitor_printf(mon, "Class %04" PRId64, dev->class_info.q_class);
548 monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
549 dev->id.vendor, dev->id.device);
551 if (dev->has_irq) {
552 monitor_printf(mon, " IRQ %" PRId64 ".\n", dev->irq);
555 if (dev->has_pci_bridge) {
556 monitor_printf(mon, " BUS %" PRId64 ".\n",
557 dev->pci_bridge->bus.number);
558 monitor_printf(mon, " secondary bus %" PRId64 ".\n",
559 dev->pci_bridge->bus.secondary);
560 monitor_printf(mon, " subordinate bus %" PRId64 ".\n",
561 dev->pci_bridge->bus.subordinate);
563 monitor_printf(mon, " IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n",
564 dev->pci_bridge->bus.io_range->base,
565 dev->pci_bridge->bus.io_range->limit);
567 monitor_printf(mon,
568 " memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n",
569 dev->pci_bridge->bus.memory_range->base,
570 dev->pci_bridge->bus.memory_range->limit);
572 monitor_printf(mon, " prefetchable memory range "
573 "[0x%08"PRIx64", 0x%08"PRIx64"]\n",
574 dev->pci_bridge->bus.prefetchable_range->base,
575 dev->pci_bridge->bus.prefetchable_range->limit);
578 for (region = dev->regions; region; region = region->next) {
579 uint64_t addr, size;
581 addr = region->value->address;
582 size = region->value->size;
584 monitor_printf(mon, " BAR%" PRId64 ": ", region->value->bar);
586 if (!strcmp(region->value->type, "io")) {
587 monitor_printf(mon, "I/O at 0x%04" PRIx64
588 " [0x%04" PRIx64 "].\n",
589 addr, addr + size - 1);
590 } else {
591 monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64
592 " [0x%08" PRIx64 "].\n",
593 region->value->mem_type_64 ? 64 : 32,
594 region->value->prefetch ? " prefetchable" : "",
595 addr, addr + size - 1);
599 monitor_printf(mon, " id \"%s\"\n", dev->qdev_id);
601 if (dev->has_pci_bridge) {
602 if (dev->pci_bridge->has_devices) {
603 PciDeviceInfoList *cdev;
604 for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) {
605 hmp_info_pci_device(mon, cdev->value);
611 void hmp_info_pci(Monitor *mon, const QDict *qdict)
613 PciInfoList *info_list, *info;
614 Error *err = NULL;
616 info_list = qmp_query_pci(&err);
617 if (err) {
618 monitor_printf(mon, "PCI devices not supported\n");
619 error_free(err);
620 return;
623 for (info = info_list; info; info = info->next) {
624 PciDeviceInfoList *dev;
626 for (dev = info->value->devices; dev; dev = dev->next) {
627 hmp_info_pci_device(mon, dev->value);
631 qapi_free_PciInfoList(info_list);
634 void hmp_info_block_jobs(Monitor *mon, const QDict *qdict)
636 BlockJobInfoList *list;
637 Error *err = NULL;
639 list = qmp_query_block_jobs(&err);
640 assert(!err);
642 if (!list) {
643 monitor_printf(mon, "No active jobs\n");
644 return;
647 while (list) {
648 if (strcmp(list->value->type, "stream") == 0) {
649 monitor_printf(mon, "Streaming device %s: Completed %" PRId64
650 " of %" PRId64 " bytes, speed limit %" PRId64
651 " bytes/s\n",
652 list->value->device,
653 list->value->offset,
654 list->value->len,
655 list->value->speed);
656 } else {
657 monitor_printf(mon, "Type %s, device %s: Completed %" PRId64
658 " of %" PRId64 " bytes, speed limit %" PRId64
659 " bytes/s\n",
660 list->value->type,
661 list->value->device,
662 list->value->offset,
663 list->value->len,
664 list->value->speed);
666 list = list->next;
670 void hmp_info_tpm(Monitor *mon, const QDict *qdict)
672 TPMInfoList *info_list, *info;
673 Error *err = NULL;
674 unsigned int c = 0;
675 TPMPassthroughOptions *tpo;
677 info_list = qmp_query_tpm(&err);
678 if (err) {
679 monitor_printf(mon, "TPM device not supported\n");
680 error_free(err);
681 return;
684 if (info_list) {
685 monitor_printf(mon, "TPM device:\n");
688 for (info = info_list; info; info = info->next) {
689 TPMInfo *ti = info->value;
690 monitor_printf(mon, " tpm%d: model=%s\n",
691 c, TpmModel_lookup[ti->model]);
693 monitor_printf(mon, " \\ %s: type=%s",
694 ti->id, TpmTypeOptionsKind_lookup[ti->options->kind]);
696 switch (ti->options->kind) {
697 case TPM_TYPE_OPTIONS_KIND_PASSTHROUGH:
698 tpo = ti->options->passthrough;
699 monitor_printf(mon, "%s%s%s%s",
700 tpo->has_path ? ",path=" : "",
701 tpo->has_path ? tpo->path : "",
702 tpo->has_cancel_path ? ",cancel-path=" : "",
703 tpo->has_cancel_path ? tpo->cancel_path : "");
704 break;
705 case TPM_TYPE_OPTIONS_KIND_MAX:
706 break;
708 monitor_printf(mon, "\n");
709 c++;
711 qapi_free_TPMInfoList(info_list);
714 void hmp_quit(Monitor *mon, const QDict *qdict)
716 monitor_suspend(mon);
717 qmp_quit(NULL);
720 void hmp_stop(Monitor *mon, const QDict *qdict)
722 qmp_stop(NULL);
725 void hmp_system_reset(Monitor *mon, const QDict *qdict)
727 qmp_system_reset(NULL);
730 void hmp_system_powerdown(Monitor *mon, const QDict *qdict)
732 qmp_system_powerdown(NULL);
735 void hmp_cpu(Monitor *mon, const QDict *qdict)
737 int64_t cpu_index;
739 /* XXX: drop the monitor_set_cpu() usage when all HMP commands that
740 use it are converted to the QAPI */
741 cpu_index = qdict_get_int(qdict, "index");
742 if (monitor_set_cpu(cpu_index) < 0) {
743 monitor_printf(mon, "invalid CPU index\n");
747 void hmp_memsave(Monitor *mon, const QDict *qdict)
749 uint32_t size = qdict_get_int(qdict, "size");
750 const char *filename = qdict_get_str(qdict, "filename");
751 uint64_t addr = qdict_get_int(qdict, "val");
752 Error *errp = NULL;
754 qmp_memsave(addr, size, filename, true, monitor_get_cpu_index(), &errp);
755 hmp_handle_error(mon, &errp);
758 void hmp_pmemsave(Monitor *mon, const QDict *qdict)
760 uint32_t size = qdict_get_int(qdict, "size");
761 const char *filename = qdict_get_str(qdict, "filename");
762 uint64_t addr = qdict_get_int(qdict, "val");
763 Error *errp = NULL;
765 qmp_pmemsave(addr, size, filename, &errp);
766 hmp_handle_error(mon, &errp);
769 void hmp_ringbuf_write(Monitor *mon, const QDict *qdict)
771 const char *chardev = qdict_get_str(qdict, "device");
772 const char *data = qdict_get_str(qdict, "data");
773 Error *errp = NULL;
775 qmp_ringbuf_write(chardev, data, false, 0, &errp);
777 hmp_handle_error(mon, &errp);
780 void hmp_ringbuf_read(Monitor *mon, const QDict *qdict)
782 uint32_t size = qdict_get_int(qdict, "size");
783 const char *chardev = qdict_get_str(qdict, "device");
784 char *data;
785 Error *errp = NULL;
786 int i;
788 data = qmp_ringbuf_read(chardev, size, false, 0, &errp);
789 if (errp) {
790 monitor_printf(mon, "%s\n", error_get_pretty(errp));
791 error_free(errp);
792 return;
795 for (i = 0; data[i]; i++) {
796 unsigned char ch = data[i];
798 if (ch == '\\') {
799 monitor_printf(mon, "\\\\");
800 } else if ((ch < 0x20 && ch != '\n' && ch != '\t') || ch == 0x7F) {
801 monitor_printf(mon, "\\u%04X", ch);
802 } else {
803 monitor_printf(mon, "%c", ch);
807 monitor_printf(mon, "\n");
808 g_free(data);
811 static void hmp_cont_cb(void *opaque, int err)
813 if (!err) {
814 qmp_cont(NULL);
818 static bool key_is_missing(const BlockInfo *bdev)
820 return (bdev->inserted && bdev->inserted->encryption_key_missing);
823 void hmp_cont(Monitor *mon, const QDict *qdict)
825 BlockInfoList *bdev_list, *bdev;
826 Error *errp = NULL;
828 bdev_list = qmp_query_block(NULL);
829 for (bdev = bdev_list; bdev; bdev = bdev->next) {
830 if (key_is_missing(bdev->value)) {
831 monitor_read_block_device_key(mon, bdev->value->device,
832 hmp_cont_cb, NULL);
833 goto out;
837 qmp_cont(&errp);
838 hmp_handle_error(mon, &errp);
840 out:
841 qapi_free_BlockInfoList(bdev_list);
844 void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
846 qmp_system_wakeup(NULL);
849 void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
851 Error *errp = NULL;
853 qmp_inject_nmi(&errp);
854 hmp_handle_error(mon, &errp);
857 void hmp_set_link(Monitor *mon, const QDict *qdict)
859 const char *name = qdict_get_str(qdict, "name");
860 int up = qdict_get_bool(qdict, "up");
861 Error *errp = NULL;
863 qmp_set_link(name, up, &errp);
864 hmp_handle_error(mon, &errp);
867 void hmp_block_passwd(Monitor *mon, const QDict *qdict)
869 const char *device = qdict_get_str(qdict, "device");
870 const char *password = qdict_get_str(qdict, "password");
871 Error *errp = NULL;
873 qmp_block_passwd(device, password, &errp);
874 hmp_handle_error(mon, &errp);
877 void hmp_balloon(Monitor *mon, const QDict *qdict)
879 int64_t value = qdict_get_int(qdict, "value");
880 Error *errp = NULL;
882 qmp_balloon(value, &errp);
883 if (error_is_set(&errp)) {
884 monitor_printf(mon, "balloon: %s\n", error_get_pretty(errp));
885 error_free(errp);
889 void hmp_block_resize(Monitor *mon, const QDict *qdict)
891 const char *device = qdict_get_str(qdict, "device");
892 int64_t size = qdict_get_int(qdict, "size");
893 Error *errp = NULL;
895 qmp_block_resize(device, size, &errp);
896 hmp_handle_error(mon, &errp);
899 void hmp_drive_mirror(Monitor *mon, const QDict *qdict)
901 const char *device = qdict_get_str(qdict, "device");
902 const char *filename = qdict_get_str(qdict, "target");
903 const char *format = qdict_get_try_str(qdict, "format");
904 int reuse = qdict_get_try_bool(qdict, "reuse", 0);
905 int full = qdict_get_try_bool(qdict, "full", 0);
906 enum NewImageMode mode;
907 Error *errp = NULL;
909 if (!filename) {
910 error_set(&errp, QERR_MISSING_PARAMETER, "target");
911 hmp_handle_error(mon, &errp);
912 return;
915 if (reuse) {
916 mode = NEW_IMAGE_MODE_EXISTING;
917 } else {
918 mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
921 qmp_drive_mirror(device, filename, !!format, format,
922 full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
923 true, mode, false, 0, false, 0, false, 0,
924 false, 0, false, 0, &errp);
925 hmp_handle_error(mon, &errp);
928 void hmp_drive_backup(Monitor *mon, const QDict *qdict)
930 const char *device = qdict_get_str(qdict, "device");
931 const char *filename = qdict_get_str(qdict, "target");
932 const char *format = qdict_get_try_str(qdict, "format");
933 int reuse = qdict_get_try_bool(qdict, "reuse", 0);
934 int full = qdict_get_try_bool(qdict, "full", 0);
935 enum NewImageMode mode;
936 Error *errp = NULL;
938 if (!filename) {
939 error_set(&errp, QERR_MISSING_PARAMETER, "target");
940 hmp_handle_error(mon, &errp);
941 return;
944 if (reuse) {
945 mode = NEW_IMAGE_MODE_EXISTING;
946 } else {
947 mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
950 qmp_drive_backup(device, filename, !!format, format,
951 full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
952 true, mode, false, 0, false, 0, false, 0, &errp);
953 hmp_handle_error(mon, &errp);
956 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
958 const char *device = qdict_get_str(qdict, "device");
959 const char *filename = qdict_get_try_str(qdict, "snapshot-file");
960 const char *format = qdict_get_try_str(qdict, "format");
961 int reuse = qdict_get_try_bool(qdict, "reuse", 0);
962 enum NewImageMode mode;
963 Error *errp = NULL;
965 if (!filename) {
966 /* In the future, if 'snapshot-file' is not specified, the snapshot
967 will be taken internally. Today it's actually required. */
968 error_set(&errp, QERR_MISSING_PARAMETER, "snapshot-file");
969 hmp_handle_error(mon, &errp);
970 return;
973 mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
974 qmp_blockdev_snapshot_sync(device, filename, !!format, format,
975 true, mode, &errp);
976 hmp_handle_error(mon, &errp);
979 void hmp_snapshot_blkdev_internal(Monitor *mon, const QDict *qdict)
981 const char *device = qdict_get_str(qdict, "device");
982 const char *name = qdict_get_str(qdict, "name");
983 Error *errp = NULL;
985 qmp_blockdev_snapshot_internal_sync(device, name, &errp);
986 hmp_handle_error(mon, &errp);
989 void hmp_snapshot_delete_blkdev_internal(Monitor *mon, const QDict *qdict)
991 const char *device = qdict_get_str(qdict, "device");
992 const char *name = qdict_get_str(qdict, "name");
993 const char *id = qdict_get_try_str(qdict, "id");
994 Error *errp = NULL;
996 qmp_blockdev_snapshot_delete_internal_sync(device, !!id, id,
997 true, name, &errp);
998 hmp_handle_error(mon, &errp);
1001 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
1003 qmp_migrate_cancel(NULL);
1006 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
1008 double value = qdict_get_double(qdict, "value");
1009 qmp_migrate_set_downtime(value, NULL);
1012 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
1014 int64_t value = qdict_get_int(qdict, "value");
1015 Error *err = NULL;
1017 qmp_migrate_set_cache_size(value, &err);
1018 if (err) {
1019 monitor_printf(mon, "%s\n", error_get_pretty(err));
1020 error_free(err);
1021 return;
1025 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
1027 int64_t value = qdict_get_int(qdict, "value");
1028 qmp_migrate_set_speed(value, NULL);
1031 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
1033 const char *cap = qdict_get_str(qdict, "capability");
1034 bool state = qdict_get_bool(qdict, "state");
1035 Error *err = NULL;
1036 MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
1037 int i;
1039 for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
1040 if (strcmp(cap, MigrationCapability_lookup[i]) == 0) {
1041 caps->value = g_malloc0(sizeof(*caps->value));
1042 caps->value->capability = i;
1043 caps->value->state = state;
1044 caps->next = NULL;
1045 qmp_migrate_set_capabilities(caps, &err);
1046 break;
1050 if (i == MIGRATION_CAPABILITY_MAX) {
1051 error_set(&err, QERR_INVALID_PARAMETER, cap);
1054 qapi_free_MigrationCapabilityStatusList(caps);
1056 if (err) {
1057 monitor_printf(mon, "migrate_set_capability: %s\n",
1058 error_get_pretty(err));
1059 error_free(err);
1063 void hmp_set_password(Monitor *mon, const QDict *qdict)
1065 const char *protocol = qdict_get_str(qdict, "protocol");
1066 const char *password = qdict_get_str(qdict, "password");
1067 const char *connected = qdict_get_try_str(qdict, "connected");
1068 Error *err = NULL;
1070 qmp_set_password(protocol, password, !!connected, connected, &err);
1071 hmp_handle_error(mon, &err);
1074 void hmp_expire_password(Monitor *mon, const QDict *qdict)
1076 const char *protocol = qdict_get_str(qdict, "protocol");
1077 const char *whenstr = qdict_get_str(qdict, "time");
1078 Error *err = NULL;
1080 qmp_expire_password(protocol, whenstr, &err);
1081 hmp_handle_error(mon, &err);
1084 void hmp_eject(Monitor *mon, const QDict *qdict)
1086 int force = qdict_get_try_bool(qdict, "force", 0);
1087 const char *device = qdict_get_str(qdict, "device");
1088 Error *err = NULL;
1090 qmp_eject(device, true, force, &err);
1091 hmp_handle_error(mon, &err);
1094 static void hmp_change_read_arg(Monitor *mon, const char *password,
1095 void *opaque)
1097 qmp_change_vnc_password(password, NULL);
1098 monitor_read_command(mon, 1);
1101 void hmp_change(Monitor *mon, const QDict *qdict)
1103 const char *device = qdict_get_str(qdict, "device");
1104 const char *target = qdict_get_str(qdict, "target");
1105 const char *arg = qdict_get_try_str(qdict, "arg");
1106 Error *err = NULL;
1108 if (strcmp(device, "vnc") == 0 &&
1109 (strcmp(target, "passwd") == 0 ||
1110 strcmp(target, "password") == 0)) {
1111 if (!arg) {
1112 monitor_read_password(mon, hmp_change_read_arg, NULL);
1113 return;
1117 qmp_change(device, target, !!arg, arg, &err);
1118 if (error_is_set(&err) &&
1119 error_get_class(err) == ERROR_CLASS_DEVICE_ENCRYPTED) {
1120 error_free(err);
1121 monitor_read_block_device_key(mon, device, NULL, NULL);
1122 return;
1124 hmp_handle_error(mon, &err);
1127 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
1129 Error *err = NULL;
1131 qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
1132 qdict_get_int(qdict, "bps"),
1133 qdict_get_int(qdict, "bps_rd"),
1134 qdict_get_int(qdict, "bps_wr"),
1135 qdict_get_int(qdict, "iops"),
1136 qdict_get_int(qdict, "iops_rd"),
1137 qdict_get_int(qdict, "iops_wr"),
1138 false, /* no burst max via HMP */
1140 false,
1142 false,
1144 false,
1146 false,
1148 false,
1150 false, /* No default I/O size */
1151 0, &err);
1152 hmp_handle_error(mon, &err);
1155 void hmp_block_stream(Monitor *mon, const QDict *qdict)
1157 Error *error = NULL;
1158 const char *device = qdict_get_str(qdict, "device");
1159 const char *base = qdict_get_try_str(qdict, "base");
1160 int64_t speed = qdict_get_try_int(qdict, "speed", 0);
1162 qmp_block_stream(device, base != NULL, base,
1163 qdict_haskey(qdict, "speed"), speed,
1164 true, BLOCKDEV_ON_ERROR_REPORT, &error);
1166 hmp_handle_error(mon, &error);
1169 void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
1171 Error *error = NULL;
1172 const char *device = qdict_get_str(qdict, "device");
1173 int64_t value = qdict_get_int(qdict, "speed");
1175 qmp_block_job_set_speed(device, value, &error);
1177 hmp_handle_error(mon, &error);
1180 void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
1182 Error *error = NULL;
1183 const char *device = qdict_get_str(qdict, "device");
1184 bool force = qdict_get_try_bool(qdict, "force", 0);
1186 qmp_block_job_cancel(device, true, force, &error);
1188 hmp_handle_error(mon, &error);
1191 void hmp_block_job_pause(Monitor *mon, const QDict *qdict)
1193 Error *error = NULL;
1194 const char *device = qdict_get_str(qdict, "device");
1196 qmp_block_job_pause(device, &error);
1198 hmp_handle_error(mon, &error);
1201 void hmp_block_job_resume(Monitor *mon, const QDict *qdict)
1203 Error *error = NULL;
1204 const char *device = qdict_get_str(qdict, "device");
1206 qmp_block_job_resume(device, &error);
1208 hmp_handle_error(mon, &error);
1211 void hmp_block_job_complete(Monitor *mon, const QDict *qdict)
1213 Error *error = NULL;
1214 const char *device = qdict_get_str(qdict, "device");
1216 qmp_block_job_complete(device, &error);
1218 hmp_handle_error(mon, &error);
1221 typedef struct MigrationStatus
1223 QEMUTimer *timer;
1224 Monitor *mon;
1225 bool is_block_migration;
1226 } MigrationStatus;
1228 static void hmp_migrate_status_cb(void *opaque)
1230 MigrationStatus *status = opaque;
1231 MigrationInfo *info;
1233 info = qmp_query_migrate(NULL);
1234 if (!info->has_status || strcmp(info->status, "active") == 0) {
1235 if (info->has_disk) {
1236 int progress;
1238 if (info->disk->remaining) {
1239 progress = info->disk->transferred * 100 / info->disk->total;
1240 } else {
1241 progress = 100;
1244 monitor_printf(status->mon, "Completed %d %%\r", progress);
1245 monitor_flush(status->mon);
1248 timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
1249 } else {
1250 if (status->is_block_migration) {
1251 monitor_printf(status->mon, "\n");
1253 monitor_resume(status->mon);
1254 timer_del(status->timer);
1255 g_free(status);
1258 qapi_free_MigrationInfo(info);
1261 void hmp_migrate(Monitor *mon, const QDict *qdict)
1263 int detach = qdict_get_try_bool(qdict, "detach", 0);
1264 int blk = qdict_get_try_bool(qdict, "blk", 0);
1265 int inc = qdict_get_try_bool(qdict, "inc", 0);
1266 const char *uri = qdict_get_str(qdict, "uri");
1267 Error *err = NULL;
1269 qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
1270 if (err) {
1271 monitor_printf(mon, "migrate: %s\n", error_get_pretty(err));
1272 error_free(err);
1273 return;
1276 if (!detach) {
1277 MigrationStatus *status;
1279 if (monitor_suspend(mon) < 0) {
1280 monitor_printf(mon, "terminal does not allow synchronous "
1281 "migration, continuing detached\n");
1282 return;
1285 status = g_malloc0(sizeof(*status));
1286 status->mon = mon;
1287 status->is_block_migration = blk || inc;
1288 status->timer = timer_new_ms(QEMU_CLOCK_REALTIME, hmp_migrate_status_cb,
1289 status);
1290 timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
1294 void hmp_device_del(Monitor *mon, const QDict *qdict)
1296 const char *id = qdict_get_str(qdict, "id");
1297 Error *err = NULL;
1299 qmp_device_del(id, &err);
1300 hmp_handle_error(mon, &err);
1303 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
1305 Error *errp = NULL;
1306 int paging = qdict_get_try_bool(qdict, "paging", 0);
1307 const char *file = qdict_get_str(qdict, "filename");
1308 bool has_begin = qdict_haskey(qdict, "begin");
1309 bool has_length = qdict_haskey(qdict, "length");
1310 int64_t begin = 0;
1311 int64_t length = 0;
1312 char *prot;
1314 if (has_begin) {
1315 begin = qdict_get_int(qdict, "begin");
1317 if (has_length) {
1318 length = qdict_get_int(qdict, "length");
1321 prot = g_strconcat("file:", file, NULL);
1323 qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length,
1324 &errp);
1325 hmp_handle_error(mon, &errp);
1326 g_free(prot);
1329 void hmp_netdev_add(Monitor *mon, const QDict *qdict)
1331 Error *err = NULL;
1332 QemuOpts *opts;
1334 opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
1335 if (error_is_set(&err)) {
1336 goto out;
1339 netdev_add(opts, &err);
1340 if (error_is_set(&err)) {
1341 qemu_opts_del(opts);
1344 out:
1345 hmp_handle_error(mon, &err);
1348 void hmp_netdev_del(Monitor *mon, const QDict *qdict)
1350 const char *id = qdict_get_str(qdict, "id");
1351 Error *err = NULL;
1353 qmp_netdev_del(id, &err);
1354 hmp_handle_error(mon, &err);
1357 void hmp_getfd(Monitor *mon, const QDict *qdict)
1359 const char *fdname = qdict_get_str(qdict, "fdname");
1360 Error *errp = NULL;
1362 qmp_getfd(fdname, &errp);
1363 hmp_handle_error(mon, &errp);
1366 void hmp_closefd(Monitor *mon, const QDict *qdict)
1368 const char *fdname = qdict_get_str(qdict, "fdname");
1369 Error *errp = NULL;
1371 qmp_closefd(fdname, &errp);
1372 hmp_handle_error(mon, &errp);
1375 void hmp_send_key(Monitor *mon, const QDict *qdict)
1377 const char *keys = qdict_get_str(qdict, "keys");
1378 KeyValueList *keylist, *head = NULL, *tmp = NULL;
1379 int has_hold_time = qdict_haskey(qdict, "hold-time");
1380 int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
1381 Error *err = NULL;
1382 char keyname_buf[16];
1383 char *separator;
1384 int keyname_len;
1386 while (1) {
1387 separator = strchr(keys, '-');
1388 keyname_len = separator ? separator - keys : strlen(keys);
1389 pstrcpy(keyname_buf, sizeof(keyname_buf), keys);
1391 /* Be compatible with old interface, convert user inputted "<" */
1392 if (!strncmp(keyname_buf, "<", 1) && keyname_len == 1) {
1393 pstrcpy(keyname_buf, sizeof(keyname_buf), "less");
1394 keyname_len = 4;
1396 keyname_buf[keyname_len] = 0;
1398 keylist = g_malloc0(sizeof(*keylist));
1399 keylist->value = g_malloc0(sizeof(*keylist->value));
1401 if (!head) {
1402 head = keylist;
1404 if (tmp) {
1405 tmp->next = keylist;
1407 tmp = keylist;
1409 if (strstart(keyname_buf, "0x", NULL)) {
1410 char *endp;
1411 int value = strtoul(keyname_buf, &endp, 0);
1412 if (*endp != '\0') {
1413 goto err_out;
1415 keylist->value->kind = KEY_VALUE_KIND_NUMBER;
1416 keylist->value->number = value;
1417 } else {
1418 int idx = index_from_key(keyname_buf);
1419 if (idx == Q_KEY_CODE_MAX) {
1420 goto err_out;
1422 keylist->value->kind = KEY_VALUE_KIND_QCODE;
1423 keylist->value->qcode = idx;
1426 if (!separator) {
1427 break;
1429 keys = separator + 1;
1432 qmp_send_key(head, has_hold_time, hold_time, &err);
1433 hmp_handle_error(mon, &err);
1435 out:
1436 qapi_free_KeyValueList(head);
1437 return;
1439 err_out:
1440 monitor_printf(mon, "invalid parameter: %s\n", keyname_buf);
1441 goto out;
1444 void hmp_screen_dump(Monitor *mon, const QDict *qdict)
1446 const char *filename = qdict_get_str(qdict, "filename");
1447 Error *err = NULL;
1449 qmp_screendump(filename, &err);
1450 hmp_handle_error(mon, &err);
1453 void hmp_nbd_server_start(Monitor *mon, const QDict *qdict)
1455 const char *uri = qdict_get_str(qdict, "uri");
1456 int writable = qdict_get_try_bool(qdict, "writable", 0);
1457 int all = qdict_get_try_bool(qdict, "all", 0);
1458 Error *local_err = NULL;
1459 BlockInfoList *block_list, *info;
1460 SocketAddress *addr;
1462 if (writable && !all) {
1463 error_setg(&local_err, "-w only valid together with -a");
1464 goto exit;
1467 /* First check if the address is valid and start the server. */
1468 addr = socket_parse(uri, &local_err);
1469 if (local_err != NULL) {
1470 goto exit;
1473 qmp_nbd_server_start(addr, &local_err);
1474 qapi_free_SocketAddress(addr);
1475 if (local_err != NULL) {
1476 goto exit;
1479 if (!all) {
1480 return;
1483 /* Then try adding all block devices. If one fails, close all and
1484 * exit.
1486 block_list = qmp_query_block(NULL);
1488 for (info = block_list; info; info = info->next) {
1489 if (!info->value->has_inserted) {
1490 continue;
1493 qmp_nbd_server_add(info->value->device, true, writable, &local_err);
1495 if (local_err != NULL) {
1496 qmp_nbd_server_stop(NULL);
1497 break;
1501 qapi_free_BlockInfoList(block_list);
1503 exit:
1504 hmp_handle_error(mon, &local_err);
1507 void hmp_nbd_server_add(Monitor *mon, const QDict *qdict)
1509 const char *device = qdict_get_str(qdict, "device");
1510 int writable = qdict_get_try_bool(qdict, "writable", 0);
1511 Error *local_err = NULL;
1513 qmp_nbd_server_add(device, true, writable, &local_err);
1515 if (local_err != NULL) {
1516 hmp_handle_error(mon, &local_err);
1520 void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
1522 Error *errp = NULL;
1524 qmp_nbd_server_stop(&errp);
1525 hmp_handle_error(mon, &errp);
1528 void hmp_chardev_add(Monitor *mon, const QDict *qdict)
1530 const char *args = qdict_get_str(qdict, "args");
1531 Error *err = NULL;
1532 QemuOpts *opts;
1534 opts = qemu_opts_parse(qemu_find_opts("chardev"), args, 1);
1535 if (opts == NULL) {
1536 error_setg(&err, "Parsing chardev args failed");
1537 } else {
1538 qemu_chr_new_from_opts(opts, NULL, &err);
1540 hmp_handle_error(mon, &err);
1543 void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
1545 Error *local_err = NULL;
1547 qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
1548 hmp_handle_error(mon, &local_err);
1551 void hmp_qemu_io(Monitor *mon, const QDict *qdict)
1553 BlockDriverState *bs;
1554 const char* device = qdict_get_str(qdict, "device");
1555 const char* command = qdict_get_str(qdict, "command");
1556 Error *err = NULL;
1558 bs = bdrv_find(device);
1559 if (bs) {
1560 qemuio_command(bs, command);
1561 } else {
1562 error_set(&err, QERR_DEVICE_NOT_FOUND, device);
1565 hmp_handle_error(mon, &err);