hmp.c

   1 /*
   2  * Human Monitor Interface
   3  *
   4  * Copyright IBM, Corp. 2011
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2.  See
  10  * the COPYING file in the top-level directory.
  11  *
  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.
  14  */
  15
  16 #include "hmp.h"
  17 #include "net/net.h"
  18 #include "char/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
  26 static void hmp_handle_error(Monitor *mon, Error **errp)
  27 {
  28     if (error_is_set(errp)) {
  29         monitor_printf(mon, "%s\n", error_get_pretty(*errp));
  30         error_free(*errp);
  31     }
  32 }
  33
  34 void hmp_info_name(Monitor *mon, const QDict *qdict)
  35 {
  36     NameInfo *info;
  37
  38     info = qmp_query_name(NULL);
  39     if (info->has_name) {
  40         monitor_printf(mon, "%s\n", info->name);
  41     }
  42     qapi_free_NameInfo(info);
  43 }
  44
  45 void hmp_info_version(Monitor *mon, const QDict *qdict)
  46 {
  47     VersionInfo *info;
  48
  49     info = qmp_query_version(NULL);
  50
  51     monitor_printf(mon, "%" PRId64 ".%" PRId64 ".%" PRId64 "%s\n",
  52                    info->qemu.major, info->qemu.minor, info->qemu.micro,
  53                    info->package);
  54
  55     qapi_free_VersionInfo(info);
  56 }
  57
  58 void hmp_info_kvm(Monitor *mon, const QDict *qdict)
  59 {
  60     KvmInfo *info;
  61
  62     info = qmp_query_kvm(NULL);
  63     monitor_printf(mon, "kvm support: ");
  64     if (info->present) {
  65         monitor_printf(mon, "%s\n", info->enabled ? "enabled" : "disabled");
  66     } else {
  67         monitor_printf(mon, "not compiled\n");
  68     }
  69
  70     qapi_free_KvmInfo(info);
  71 }
  72
  73 void hmp_info_status(Monitor *mon, const QDict *qdict)
  74 {
  75     StatusInfo *info;
  76
  77     info = qmp_query_status(NULL);
  78
  79     monitor_printf(mon, "VM status: %s%s",
  80                    info->running ? "running" : "paused",
  81                    info->singlestep ? " (single step mode)" : "");
  82
  83     if (!info->running && info->status != RUN_STATE_PAUSED) {
  84         monitor_printf(mon, " (%s)", RunState_lookup[info->status]);
  85     }
  86
  87     monitor_printf(mon, "\n");
  88
  89     qapi_free_StatusInfo(info);
  90 }
  91
  92 void hmp_info_uuid(Monitor *mon, const QDict *qdict)
  93 {
  94     UuidInfo *info;
  95
  96     info = qmp_query_uuid(NULL);
  97     monitor_printf(mon, "%s\n", info->UUID);
  98     qapi_free_UuidInfo(info);
  99 }
 100
 101 void hmp_info_chardev(Monitor *mon, const QDict *qdict)
 102 {
 103     ChardevInfoList *char_info, *info;
 104
 105     char_info = qmp_query_chardev(NULL);
 106     for (info = char_info; info; info = info->next) {
 107         monitor_printf(mon, "%s: filename=%s\n", info->value->label,
 108                                                  info->value->filename);
 109     }
 110
 111     qapi_free_ChardevInfoList(char_info);
 112 }
 113
 114 void hmp_info_mice(Monitor *mon, const QDict *qdict)
 115 {
 116     MouseInfoList *mice_list, *mouse;
 117
 118     mice_list = qmp_query_mice(NULL);
 119     if (!mice_list) {
 120         monitor_printf(mon, "No mouse devices connected\n");
 121         return;
 122     }
 123
 124     for (mouse = mice_list; mouse; mouse = mouse->next) {
 125         monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
 126                        mouse->value->current ? '*' : ' ',
 127                        mouse->value->index, mouse->value->name,
 128                        mouse->value->absolute ? " (absolute)" : "");
 129     }
 130
 131     qapi_free_MouseInfoList(mice_list);
 132 }
 133
 134 void hmp_info_migrate(Monitor *mon, const QDict *qdict)
 135 {
 136     MigrationInfo *info;
 137     MigrationCapabilityStatusList *caps, *cap;
 138
 139     info = qmp_query_migrate(NULL);
 140     caps = qmp_query_migrate_capabilities(NULL);
 141
 142     /* do not display parameters during setup */
 143     if (info->has_status && caps) {
 144         monitor_printf(mon, "capabilities: ");
 145         for (cap = caps; cap; cap = cap->next) {
 146             monitor_printf(mon, "%s: %s ",
 147                            MigrationCapability_lookup[cap->value->capability],
 148                            cap->value->state ? "on" : "off");
 149         }
 150         monitor_printf(mon, "\n");
 151     }
 152
 153     if (info->has_status) {
 154         monitor_printf(mon, "Migration status: %s\n", info->status);
 155         monitor_printf(mon, "total time: %" PRIu64 " milliseconds\n",
 156                        info->total_time);
 157         if (info->has_expected_downtime) {
 158             monitor_printf(mon, "expected downtime: %" PRIu64 " milliseconds\n",
 159                            info->expected_downtime);
 160         }
 161         if (info->has_downtime) {
 162             monitor_printf(mon, "downtime: %" PRIu64 " milliseconds\n",
 163                            info->downtime);
 164         }
 165     }
 166
 167     if (info->has_ram) {
 168         monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n",
 169                        info->ram->transferred >> 10);
 170         monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n",
 171                        info->ram->remaining >> 10);
 172         monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n",
 173                        info->ram->total >> 10);
 174         monitor_printf(mon, "duplicate: %" PRIu64 " pages\n",
 175                        info->ram->duplicate);
 176         monitor_printf(mon, "normal: %" PRIu64 " pages\n",
 177                        info->ram->normal);
 178         monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n",
 179                        info->ram->normal_bytes >> 10);
 180         if (info->ram->dirty_pages_rate) {
 181             monitor_printf(mon, "dirty pages rate: %" PRIu64 " pages\n",
 182                            info->ram->dirty_pages_rate);
 183         }
 184     }
 185
 186     if (info->has_disk) {
 187         monitor_printf(mon, "transferred disk: %" PRIu64 " kbytes\n",
 188                        info->disk->transferred >> 10);
 189         monitor_printf(mon, "remaining disk: %" PRIu64 " kbytes\n",
 190                        info->disk->remaining >> 10);
 191         monitor_printf(mon, "total disk: %" PRIu64 " kbytes\n",
 192                        info->disk->total >> 10);
 193     }
 194
 195     if (info->has_xbzrle_cache) {
 196         monitor_printf(mon, "cache size: %" PRIu64 " bytes\n",
 197                        info->xbzrle_cache->cache_size);
 198         monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n",
 199                        info->xbzrle_cache->bytes >> 10);
 200         monitor_printf(mon, "xbzrle pages: %" PRIu64 " pages\n",
 201                        info->xbzrle_cache->pages);
 202         monitor_printf(mon, "xbzrle cache miss: %" PRIu64 "\n",
 203                        info->xbzrle_cache->cache_miss);
 204         monitor_printf(mon, "xbzrle overflow : %" PRIu64 "\n",
 205                        info->xbzrle_cache->overflow);
 206     }
 207
 208     qapi_free_MigrationInfo(info);
 209     qapi_free_MigrationCapabilityStatusList(caps);
 210 }
 211
 212 void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict)
 213 {
 214     MigrationCapabilityStatusList *caps, *cap;
 215
 216     caps = qmp_query_migrate_capabilities(NULL);
 217
 218     if (caps) {
 219         monitor_printf(mon, "capabilities: ");
 220         for (cap = caps; cap; cap = cap->next) {
 221             monitor_printf(mon, "%s: %s ",
 222                            MigrationCapability_lookup[cap->value->capability],
 223                            cap->value->state ? "on" : "off");
 224         }
 225         monitor_printf(mon, "\n");
 226     }
 227
 228     qapi_free_MigrationCapabilityStatusList(caps);
 229 }
 230
 231 void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict)
 232 {
 233     monitor_printf(mon, "xbzrel cache size: %" PRId64 " kbytes\n",
 234                    qmp_query_migrate_cache_size(NULL) >> 10);
 235 }
 236
 237 void hmp_info_cpus(Monitor *mon, const QDict *qdict)
 238 {
 239     CpuInfoList *cpu_list, *cpu;
 240
 241     cpu_list = qmp_query_cpus(NULL);
 242
 243     for (cpu = cpu_list; cpu; cpu = cpu->next) {
 244         int active = ' ';
 245
 246         if (cpu->value->CPU == monitor_get_cpu_index()) {
 247             active = '*';
 248         }
 249
 250         monitor_printf(mon, "%c CPU #%" PRId64 ":", active, cpu->value->CPU);
 251
 252         if (cpu->value->has_pc) {
 253             monitor_printf(mon, " pc=0x%016" PRIx64, cpu->value->pc);
 254         }
 255         if (cpu->value->has_nip) {
 256             monitor_printf(mon, " nip=0x%016" PRIx64, cpu->value->nip);
 257         }
 258         if (cpu->value->has_npc) {
 259             monitor_printf(mon, " npc=0x%016" PRIx64, cpu->value->npc);
 260         }
 261         if (cpu->value->has_PC) {
 262             monitor_printf(mon, " PC=0x%016" PRIx64, cpu->value->PC);
 263         }
 264
 265         if (cpu->value->halted) {
 266             monitor_printf(mon, " (halted)");
 267         }
 268
 269         monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
 270     }
 271
 272     qapi_free_CpuInfoList(cpu_list);
 273 }
 274
 275 void hmp_info_block(Monitor *mon, const QDict *qdict)
 276 {
 277     BlockInfoList *block_list, *info;
 278
 279     block_list = qmp_query_block(NULL);
 280
 281     for (info = block_list; info; info = info->next) {
 282         monitor_printf(mon, "%s: removable=%d",
 283                        info->value->device, info->value->removable);
 284
 285         if (info->value->removable) {
 286             monitor_printf(mon, " locked=%d", info->value->locked);
 287             monitor_printf(mon, " tray-open=%d", info->value->tray_open);
 288         }
 289
 290         if (info->value->has_io_status) {
 291             monitor_printf(mon, " io-status=%s",
 292                            BlockDeviceIoStatus_lookup[info->value->io_status]);
 293         }
 294
 295         if (info->value->has_inserted) {
 296             monitor_printf(mon, " file=");
 297             monitor_print_filename(mon, info->value->inserted->file);
 298
 299             if (info->value->inserted->has_backing_file) {
 300                 monitor_printf(mon, " backing_file=");
 301                 monitor_print_filename(mon, info->value->inserted->backing_file);
 302                 monitor_printf(mon, " backing_file_depth=%" PRId64,
 303                     info->value->inserted->backing_file_depth);
 304             }
 305             monitor_printf(mon, " ro=%d drv=%s encrypted=%d",
 306                            info->value->inserted->ro,
 307                            info->value->inserted->drv,
 308                            info->value->inserted->encrypted);
 309
 310             monitor_printf(mon, " bps=%" PRId64 " bps_rd=%" PRId64
 311                             " bps_wr=%" PRId64 " iops=%" PRId64
 312                             " iops_rd=%" PRId64 " iops_wr=%" PRId64,
 313                             info->value->inserted->bps,
 314                             info->value->inserted->bps_rd,
 315                             info->value->inserted->bps_wr,
 316                             info->value->inserted->iops,
 317                             info->value->inserted->iops_rd,
 318                             info->value->inserted->iops_wr);
 319         } else {
 320             monitor_printf(mon, " [not inserted]");
 321         }
 322
 323         monitor_printf(mon, "\n");
 324     }
 325
 326     qapi_free_BlockInfoList(block_list);
 327 }
 328
 329 void hmp_info_blockstats(Monitor *mon, const QDict *qdict)
 330 {
 331     BlockStatsList *stats_list, *stats;
 332
 333     stats_list = qmp_query_blockstats(NULL);
 334
 335     for (stats = stats_list; stats; stats = stats->next) {
 336         if (!stats->value->has_device) {
 337             continue;
 338         }
 339
 340         monitor_printf(mon, "%s:", stats->value->device);
 341         monitor_printf(mon, " rd_bytes=%" PRId64
 342                        " wr_bytes=%" PRId64
 343                        " rd_operations=%" PRId64
 344                        " wr_operations=%" PRId64
 345                        " flush_operations=%" PRId64
 346                        " wr_total_time_ns=%" PRId64
 347                        " rd_total_time_ns=%" PRId64
 348                        " flush_total_time_ns=%" PRId64
 349                        "\n",
 350                        stats->value->stats->rd_bytes,
 351                        stats->value->stats->wr_bytes,
 352                        stats->value->stats->rd_operations,
 353                        stats->value->stats->wr_operations,
 354                        stats->value->stats->flush_operations,
 355                        stats->value->stats->wr_total_time_ns,
 356                        stats->value->stats->rd_total_time_ns,
 357                        stats->value->stats->flush_total_time_ns);
 358     }
 359
 360     qapi_free_BlockStatsList(stats_list);
 361 }
 362
 363 void hmp_info_vnc(Monitor *mon, const QDict *qdict)
 364 {
 365     VncInfo *info;
 366     Error *err = NULL;
 367     VncClientInfoList *client;
 368
 369     info = qmp_query_vnc(&err);
 370     if (err) {
 371         monitor_printf(mon, "%s\n", error_get_pretty(err));
 372         error_free(err);
 373         return;
 374     }
 375
 376     if (!info->enabled) {
 377         monitor_printf(mon, "Server: disabled\n");
 378         goto out;
 379     }
 380
 381     monitor_printf(mon, "Server:\n");
 382     if (info->has_host && info->has_service) {
 383         monitor_printf(mon, "     address: %s:%s\n", info->host, info->service);
 384     }
 385     if (info->has_auth) {
 386         monitor_printf(mon, "        auth: %s\n", info->auth);
 387     }
 388
 389     if (!info->has_clients || info->clients == NULL) {
 390         monitor_printf(mon, "Client: none\n");
 391     } else {
 392         for (client = info->clients; client; client = client->next) {
 393             monitor_printf(mon, "Client:\n");
 394             monitor_printf(mon, "     address: %s:%s\n",
 395                            client->value->host, client->value->service);
 396             monitor_printf(mon, "  x509_dname: %s\n",
 397                            client->value->x509_dname ?
 398                            client->value->x509_dname : "none");
 399             monitor_printf(mon, "    username: %s\n",
 400                            client->value->has_sasl_username ?
 401                            client->value->sasl_username : "none");
 402         }
 403     }
 404
 405 out:
 406     qapi_free_VncInfo(info);
 407 }
 408
 409 void hmp_info_spice(Monitor *mon, const QDict *qdict)
 410 {
 411     SpiceChannelList *chan;
 412     SpiceInfo *info;
 413
 414     info = qmp_query_spice(NULL);
 415
 416     if (!info->enabled) {
 417         monitor_printf(mon, "Server: disabled\n");
 418         goto out;
 419     }
 420
 421     monitor_printf(mon, "Server:\n");
 422     if (info->has_port) {
 423         monitor_printf(mon, "     address: %s:%" PRId64 "\n",
 424                        info->host, info->port);
 425     }
 426     if (info->has_tls_port) {
 427         monitor_printf(mon, "     address: %s:%" PRId64 " [tls]\n",
 428                        info->host, info->tls_port);
 429     }
 430     monitor_printf(mon, "    migrated: %s\n",
 431                    info->migrated ? "true" : "false");
 432     monitor_printf(mon, "        auth: %s\n", info->auth);
 433     monitor_printf(mon, "    compiled: %s\n", info->compiled_version);
 434     monitor_printf(mon, "  mouse-mode: %s\n",
 435                    SpiceQueryMouseMode_lookup[info->mouse_mode]);
 436
 437     if (!info->has_channels || info->channels == NULL) {
 438         monitor_printf(mon, "Channels: none\n");
 439     } else {
 440         for (chan = info->channels; chan; chan = chan->next) {
 441             monitor_printf(mon, "Channel:\n");
 442             monitor_printf(mon, "     address: %s:%s%s\n",
 443                            chan->value->host, chan->value->port,
 444                            chan->value->tls ? " [tls]" : "");
 445             monitor_printf(mon, "     session: %" PRId64 "\n",
 446                            chan->value->connection_id);
 447             monitor_printf(mon, "     channel: %" PRId64 ":%" PRId64 "\n",
 448                            chan->value->channel_type, chan->value->channel_id);
 449         }
 450     }
 451
 452 out:
 453     qapi_free_SpiceInfo(info);
 454 }
 455
 456 void hmp_info_balloon(Monitor *mon, const QDict *qdict)
 457 {
 458     BalloonInfo *info;
 459     Error *err = NULL;
 460
 461     info = qmp_query_balloon(&err);
 462     if (err) {
 463         monitor_printf(mon, "%s\n", error_get_pretty(err));
 464         error_free(err);
 465         return;
 466     }
 467
 468     monitor_printf(mon, "balloon: actual=%" PRId64 "\n", info->actual >> 20);
 469
 470     qapi_free_BalloonInfo(info);
 471 }
 472
 473 static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev)
 474 {
 475     PciMemoryRegionList *region;
 476
 477     monitor_printf(mon, "  Bus %2" PRId64 ", ", dev->bus);
 478     monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n",
 479                    dev->slot, dev->function);
 480     monitor_printf(mon, "    ");
 481
 482     if (dev->class_info.has_desc) {
 483         monitor_printf(mon, "%s", dev->class_info.desc);
 484     } else {
 485         monitor_printf(mon, "Class %04" PRId64, dev->class_info.class);
 486     }
 487
 488     monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
 489                    dev->id.vendor, dev->id.device);
 490
 491     if (dev->has_irq) {
 492         monitor_printf(mon, "      IRQ %" PRId64 ".\n", dev->irq);
 493     }
 494
 495     if (dev->has_pci_bridge) {
 496         monitor_printf(mon, "      BUS %" PRId64 ".\n",
 497                        dev->pci_bridge->bus.number);
 498         monitor_printf(mon, "      secondary bus %" PRId64 ".\n",
 499                        dev->pci_bridge->bus.secondary);
 500         monitor_printf(mon, "      subordinate bus %" PRId64 ".\n",
 501                        dev->pci_bridge->bus.subordinate);
 502
 503         monitor_printf(mon, "      IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n",
 504                        dev->pci_bridge->bus.io_range->base,
 505                        dev->pci_bridge->bus.io_range->limit);
 506
 507         monitor_printf(mon,
 508                        "      memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n",
 509                        dev->pci_bridge->bus.memory_range->base,
 510                        dev->pci_bridge->bus.memory_range->limit);
 511
 512         monitor_printf(mon, "      prefetchable memory range "
 513                        "[0x%08"PRIx64", 0x%08"PRIx64"]\n",
 514                        dev->pci_bridge->bus.prefetchable_range->base,
 515                        dev->pci_bridge->bus.prefetchable_range->limit);
 516     }
 517
 518     for (region = dev->regions; region; region = region->next) {
 519         uint64_t addr, size;
 520
 521         addr = region->value->address;
 522         size = region->value->size;
 523
 524         monitor_printf(mon, "      BAR%" PRId64 ": ", region->value->bar);
 525
 526         if (!strcmp(region->value->type, "io")) {
 527             monitor_printf(mon, "I/O at 0x%04" PRIx64
 528                                 " [0x%04" PRIx64 "].\n",
 529                            addr, addr + size - 1);
 530         } else {
 531             monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64
 532                                " [0x%08" PRIx64 "].\n",
 533                            region->value->mem_type_64 ? 64 : 32,
 534                            region->value->prefetch ? " prefetchable" : "",
 535                            addr, addr + size - 1);
 536         }
 537     }
 538
 539     monitor_printf(mon, "      id \"%s\"\n", dev->qdev_id);
 540
 541     if (dev->has_pci_bridge) {
 542         if (dev->pci_bridge->has_devices) {
 543             PciDeviceInfoList *cdev;
 544             for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) {
 545                 hmp_info_pci_device(mon, cdev->value);
 546             }
 547         }
 548     }
 549 }
 550
 551 void hmp_info_pci(Monitor *mon, const QDict *qdict)
 552 {
 553     PciInfoList *info_list, *info;
 554     Error *err = NULL;
 555
 556     info_list = qmp_query_pci(&err);
 557     if (err) {
 558         monitor_printf(mon, "PCI devices not supported\n");
 559         error_free(err);
 560         return;
 561     }
 562
 563     for (info = info_list; info; info = info->next) {
 564         PciDeviceInfoList *dev;
 565
 566         for (dev = info->value->devices; dev; dev = dev->next) {
 567             hmp_info_pci_device(mon, dev->value);
 568         }
 569     }
 570
 571     qapi_free_PciInfoList(info_list);
 572 }
 573
 574 void hmp_info_block_jobs(Monitor *mon, const QDict *qdict)
 575 {
 576     BlockJobInfoList *list;
 577     Error *err = NULL;
 578
 579     list = qmp_query_block_jobs(&err);
 580     assert(!err);
 581
 582     if (!list) {
 583         monitor_printf(mon, "No active jobs\n");
 584         return;
 585     }
 586
 587     while (list) {
 588         if (strcmp(list->value->type, "stream") == 0) {
 589             monitor_printf(mon, "Streaming device %s: Completed %" PRId64
 590                            " of %" PRId64 " bytes, speed limit %" PRId64
 591                            " bytes/s\n",
 592                            list->value->device,
 593                            list->value->offset,
 594                            list->value->len,
 595                            list->value->speed);
 596         } else {
 597             monitor_printf(mon, "Type %s, device %s: Completed %" PRId64
 598                            " of %" PRId64 " bytes, speed limit %" PRId64
 599                            " bytes/s\n",
 600                            list->value->type,
 601                            list->value->device,
 602                            list->value->offset,
 603                            list->value->len,
 604                            list->value->speed);
 605         }
 606         list = list->next;
 607     }
 608 }
 609
 610 void hmp_quit(Monitor *mon, const QDict *qdict)
 611 {
 612     monitor_suspend(mon);
 613     qmp_quit(NULL);
 614 }
 615
 616 void hmp_stop(Monitor *mon, const QDict *qdict)
 617 {
 618     qmp_stop(NULL);
 619 }
 620
 621 void hmp_system_reset(Monitor *mon, const QDict *qdict)
 622 {
 623     qmp_system_reset(NULL);
 624 }
 625
 626 void hmp_system_powerdown(Monitor *mon, const QDict *qdict)
 627 {
 628     qmp_system_powerdown(NULL);
 629 }
 630
 631 void hmp_cpu(Monitor *mon, const QDict *qdict)
 632 {
 633     int64_t cpu_index;
 634
 635     /* XXX: drop the monitor_set_cpu() usage when all HMP commands that
 636             use it are converted to the QAPI */
 637     cpu_index = qdict_get_int(qdict, "index");
 638     if (monitor_set_cpu(cpu_index) < 0) {
 639         monitor_printf(mon, "invalid CPU index\n");
 640     }
 641 }
 642
 643 void hmp_memsave(Monitor *mon, const QDict *qdict)
 644 {
 645     uint32_t size = qdict_get_int(qdict, "size");
 646     const char *filename = qdict_get_str(qdict, "filename");
 647     uint64_t addr = qdict_get_int(qdict, "val");
 648     Error *errp = NULL;
 649
 650     qmp_memsave(addr, size, filename, true, monitor_get_cpu_index(), &errp);
 651     hmp_handle_error(mon, &errp);
 652 }
 653
 654 void hmp_pmemsave(Monitor *mon, const QDict *qdict)
 655 {
 656     uint32_t size = qdict_get_int(qdict, "size");
 657     const char *filename = qdict_get_str(qdict, "filename");
 658     uint64_t addr = qdict_get_int(qdict, "val");
 659     Error *errp = NULL;
 660
 661     qmp_pmemsave(addr, size, filename, &errp);
 662     hmp_handle_error(mon, &errp);
 663 }
 664
 665 void hmp_memchar_write(Monitor *mon, const QDict *qdict)
 666 {
 667     const char *chardev = qdict_get_str(qdict, "device");
 668     const char *data = qdict_get_str(qdict, "data");
 669     Error *errp = NULL;
 670
 671     qmp_memchar_write(chardev, data, false, 0, &errp);
 672
 673     hmp_handle_error(mon, &errp);
 674 }
 675
 676 void hmp_memchar_read(Monitor *mon, const QDict *qdict)
 677 {
 678     uint32_t size = qdict_get_int(qdict, "size");
 679     const char *chardev = qdict_get_str(qdict, "device");
 680     MemCharRead *meminfo;
 681     Error *errp = NULL;
 682
 683     meminfo = qmp_memchar_read(chardev, size, false, 0, &errp);
 684     if (errp) {
 685         monitor_printf(mon, "%s\n", error_get_pretty(errp));
 686         error_free(errp);
 687         return;
 688     }
 689
 690     if (meminfo->count > 0) {
 691         monitor_printf(mon, "%s\n", meminfo->data);
 692     }
 693
 694     qapi_free_MemCharRead(meminfo);
 695 }
 696
 697 static void hmp_cont_cb(void *opaque, int err)
 698 {
 699     if (!err) {
 700         qmp_cont(NULL);
 701     }
 702 }
 703
 704 static bool key_is_missing(const BlockInfo *bdev)
 705 {
 706     return (bdev->inserted && bdev->inserted->encryption_key_missing);
 707 }
 708
 709 void hmp_cont(Monitor *mon, const QDict *qdict)
 710 {
 711     BlockInfoList *bdev_list, *bdev;
 712     Error *errp = NULL;
 713
 714     bdev_list = qmp_query_block(NULL);
 715     for (bdev = bdev_list; bdev; bdev = bdev->next) {
 716         if (key_is_missing(bdev->value)) {
 717             monitor_read_block_device_key(mon, bdev->value->device,
 718                                           hmp_cont_cb, NULL);
 719             goto out;
 720         }
 721     }
 722
 723     qmp_cont(&errp);
 724     hmp_handle_error(mon, &errp);
 725
 726 out:
 727     qapi_free_BlockInfoList(bdev_list);
 728 }
 729
 730 void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
 731 {
 732     qmp_system_wakeup(NULL);
 733 }
 734
 735 void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
 736 {
 737     Error *errp = NULL;
 738
 739     qmp_inject_nmi(&errp);
 740     hmp_handle_error(mon, &errp);
 741 }
 742
 743 void hmp_set_link(Monitor *mon, const QDict *qdict)
 744 {
 745     const char *name = qdict_get_str(qdict, "name");
 746     int up = qdict_get_bool(qdict, "up");
 747     Error *errp = NULL;
 748
 749     qmp_set_link(name, up, &errp);
 750     hmp_handle_error(mon, &errp);
 751 }
 752
 753 void hmp_block_passwd(Monitor *mon, const QDict *qdict)
 754 {
 755     const char *device = qdict_get_str(qdict, "device");
 756     const char *password = qdict_get_str(qdict, "password");
 757     Error *errp = NULL;
 758
 759     qmp_block_passwd(device, password, &errp);
 760     hmp_handle_error(mon, &errp);
 761 }
 762
 763 void hmp_balloon(Monitor *mon, const QDict *qdict)
 764 {
 765     int64_t value = qdict_get_int(qdict, "value");
 766     Error *errp = NULL;
 767
 768     qmp_balloon(value, &errp);
 769     if (error_is_set(&errp)) {
 770         monitor_printf(mon, "balloon: %s\n", error_get_pretty(errp));
 771         error_free(errp);
 772     }
 773 }
 774
 775 void hmp_block_resize(Monitor *mon, const QDict *qdict)
 776 {
 777     const char *device = qdict_get_str(qdict, "device");
 778     int64_t size = qdict_get_int(qdict, "size");
 779     Error *errp = NULL;
 780
 781     qmp_block_resize(device, size, &errp);
 782     hmp_handle_error(mon, &errp);
 783 }
 784
 785 void hmp_drive_mirror(Monitor *mon, const QDict *qdict)
 786 {
 787     const char *device = qdict_get_str(qdict, "device");
 788     const char *filename = qdict_get_str(qdict, "target");
 789     const char *format = qdict_get_try_str(qdict, "format");
 790     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 791     int full = qdict_get_try_bool(qdict, "full", 0);
 792     enum NewImageMode mode;
 793     Error *errp = NULL;
 794
 795     if (!filename) {
 796         error_set(&errp, QERR_MISSING_PARAMETER, "target");
 797         hmp_handle_error(mon, &errp);
 798         return;
 799     }
 800
 801     if (reuse) {
 802         mode = NEW_IMAGE_MODE_EXISTING;
 803     } else {
 804         mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 805     }
 806
 807     qmp_drive_mirror(device, filename, !!format, format,
 808                      full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
 809                      true, mode, false, 0, false, 0, false, 0,
 810                      false, 0, false, 0, &errp);
 811     hmp_handle_error(mon, &errp);
 812 }
 813
 814 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
 815 {
 816     const char *device = qdict_get_str(qdict, "device");
 817     const char *filename = qdict_get_try_str(qdict, "snapshot-file");
 818     const char *format = qdict_get_try_str(qdict, "format");
 819     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 820     enum NewImageMode mode;
 821     Error *errp = NULL;
 822
 823     if (!filename) {
 824         /* In the future, if 'snapshot-file' is not specified, the snapshot
 825            will be taken internally. Today it's actually required. */
 826         error_set(&errp, QERR_MISSING_PARAMETER, "snapshot-file");
 827         hmp_handle_error(mon, &errp);
 828         return;
 829     }
 830
 831     mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 832     qmp_blockdev_snapshot_sync(device, filename, !!format, format,
 833                                true, mode, &errp);
 834     hmp_handle_error(mon, &errp);
 835 }
 836
 837 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
 838 {
 839     qmp_migrate_cancel(NULL);
 840 }
 841
 842 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
 843 {
 844     double value = qdict_get_double(qdict, "value");
 845     qmp_migrate_set_downtime(value, NULL);
 846 }
 847
 848 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
 849 {
 850     int64_t value = qdict_get_int(qdict, "value");
 851     Error *err = NULL;
 852
 853     qmp_migrate_set_cache_size(value, &err);
 854     if (err) {
 855         monitor_printf(mon, "%s\n", error_get_pretty(err));
 856         error_free(err);
 857         return;
 858     }
 859 }
 860
 861 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
 862 {
 863     int64_t value = qdict_get_int(qdict, "value");
 864     qmp_migrate_set_speed(value, NULL);
 865 }
 866
 867 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
 868 {
 869     const char *cap = qdict_get_str(qdict, "capability");
 870     bool state = qdict_get_bool(qdict, "state");
 871     Error *err = NULL;
 872     MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
 873     int i;
 874
 875     for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
 876         if (strcmp(cap, MigrationCapability_lookup[i]) == 0) {
 877             caps->value = g_malloc0(sizeof(*caps->value));
 878             caps->value->capability = i;
 879             caps->value->state = state;
 880             caps->next = NULL;
 881             qmp_migrate_set_capabilities(caps, &err);
 882             break;
 883         }
 884     }
 885
 886     if (i == MIGRATION_CAPABILITY_MAX) {
 887         error_set(&err, QERR_INVALID_PARAMETER, cap);
 888     }
 889
 890     qapi_free_MigrationCapabilityStatusList(caps);
 891
 892     if (err) {
 893         monitor_printf(mon, "migrate_set_capability: %s\n",
 894                        error_get_pretty(err));
 895         error_free(err);
 896     }
 897 }
 898
 899 void hmp_set_password(Monitor *mon, const QDict *qdict)
 900 {
 901     const char *protocol  = qdict_get_str(qdict, "protocol");
 902     const char *password  = qdict_get_str(qdict, "password");
 903     const char *connected = qdict_get_try_str(qdict, "connected");
 904     Error *err = NULL;
 905
 906     qmp_set_password(protocol, password, !!connected, connected, &err);
 907     hmp_handle_error(mon, &err);
 908 }
 909
 910 void hmp_expire_password(Monitor *mon, const QDict *qdict)
 911 {
 912     const char *protocol  = qdict_get_str(qdict, "protocol");
 913     const char *whenstr = qdict_get_str(qdict, "time");
 914     Error *err = NULL;
 915
 916     qmp_expire_password(protocol, whenstr, &err);
 917     hmp_handle_error(mon, &err);
 918 }
 919
 920 void hmp_eject(Monitor *mon, const QDict *qdict)
 921 {
 922     int force = qdict_get_try_bool(qdict, "force", 0);
 923     const char *device = qdict_get_str(qdict, "device");
 924     Error *err = NULL;
 925
 926     qmp_eject(device, true, force, &err);
 927     hmp_handle_error(mon, &err);
 928 }
 929
 930 static void hmp_change_read_arg(Monitor *mon, const char *password,
 931                                 void *opaque)
 932 {
 933     qmp_change_vnc_password(password, NULL);
 934     monitor_read_command(mon, 1);
 935 }
 936
 937 void hmp_change(Monitor *mon, const QDict *qdict)
 938 {
 939     const char *device = qdict_get_str(qdict, "device");
 940     const char *target = qdict_get_str(qdict, "target");
 941     const char *arg = qdict_get_try_str(qdict, "arg");
 942     Error *err = NULL;
 943
 944     if (strcmp(device, "vnc") == 0 &&
 945             (strcmp(target, "passwd") == 0 ||
 946              strcmp(target, "password") == 0)) {
 947         if (!arg) {
 948             monitor_read_password(mon, hmp_change_read_arg, NULL);
 949             return;
 950         }
 951     }
 952
 953     qmp_change(device, target, !!arg, arg, &err);
 954     if (error_is_set(&err) &&
 955         error_get_class(err) == ERROR_CLASS_DEVICE_ENCRYPTED) {
 956         error_free(err);
 957         monitor_read_block_device_key(mon, device, NULL, NULL);
 958         return;
 959     }
 960     hmp_handle_error(mon, &err);
 961 }
 962
 963 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
 964 {
 965     Error *err = NULL;
 966
 967     qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
 968                               qdict_get_int(qdict, "bps"),
 969                               qdict_get_int(qdict, "bps_rd"),
 970                               qdict_get_int(qdict, "bps_wr"),
 971                               qdict_get_int(qdict, "iops"),
 972                               qdict_get_int(qdict, "iops_rd"),
 973                               qdict_get_int(qdict, "iops_wr"), &err);
 974     hmp_handle_error(mon, &err);
 975 }
 976
 977 void hmp_block_stream(Monitor *mon, const QDict *qdict)
 978 {
 979     Error *error = NULL;
 980     const char *device = qdict_get_str(qdict, "device");
 981     const char *base = qdict_get_try_str(qdict, "base");
 982     int64_t speed = qdict_get_try_int(qdict, "speed", 0);
 983
 984     qmp_block_stream(device, base != NULL, base,
 985                      qdict_haskey(qdict, "speed"), speed,
 986                      BLOCKDEV_ON_ERROR_REPORT, true, &error);
 987
 988     hmp_handle_error(mon, &error);
 989 }
 990
 991 void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
 992 {
 993     Error *error = NULL;
 994     const char *device = qdict_get_str(qdict, "device");
 995     int64_t value = qdict_get_int(qdict, "speed");
 996
 997     qmp_block_job_set_speed(device, value, &error);
 998
 999     hmp_handle_error(mon, &error);
1000 }
1001
1002 void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
1003 {
1004     Error *error = NULL;
1005     const char *device = qdict_get_str(qdict, "device");
1006     bool force = qdict_get_try_bool(qdict, "force", 0);
1007
1008     qmp_block_job_cancel(device, true, force, &error);
1009
1010     hmp_handle_error(mon, &error);
1011 }
1012
1013 void hmp_block_job_pause(Monitor *mon, const QDict *qdict)
1014 {
1015     Error *error = NULL;
1016     const char *device = qdict_get_str(qdict, "device");
1017
1018     qmp_block_job_pause(device, &error);
1019
1020     hmp_handle_error(mon, &error);
1021 }
1022
1023 void hmp_block_job_resume(Monitor *mon, const QDict *qdict)
1024 {
1025     Error *error = NULL;
1026     const char *device = qdict_get_str(qdict, "device");
1027
1028     qmp_block_job_resume(device, &error);
1029
1030     hmp_handle_error(mon, &error);
1031 }
1032
1033 void hmp_block_job_complete(Monitor *mon, const QDict *qdict)
1034 {
1035     Error *error = NULL;
1036     const char *device = qdict_get_str(qdict, "device");
1037
1038     qmp_block_job_complete(device, &error);
1039
1040     hmp_handle_error(mon, &error);
1041 }
1042
1043 typedef struct MigrationStatus
1044 {
1045     QEMUTimer *timer;
1046     Monitor *mon;
1047     bool is_block_migration;
1048 } MigrationStatus;
1049
1050 static void hmp_migrate_status_cb(void *opaque)
1051 {
1052     MigrationStatus *status = opaque;
1053     MigrationInfo *info;
1054
1055     info = qmp_query_migrate(NULL);
1056     if (!info->has_status || strcmp(info->status, "active") == 0) {
1057         if (info->has_disk) {
1058             int progress;
1059
1060             if (info->disk->remaining) {
1061                 progress = info->disk->transferred * 100 / info->disk->total;
1062             } else {
1063                 progress = 100;
1064             }
1065
1066             monitor_printf(status->mon, "Completed %d %%\r", progress);
1067             monitor_flush(status->mon);
1068         }
1069
1070         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock) + 1000);
1071     } else {
1072         if (status->is_block_migration) {
1073             monitor_printf(status->mon, "\n");
1074         }
1075         monitor_resume(status->mon);
1076         qemu_del_timer(status->timer);
1077         g_free(status);
1078     }
1079
1080     qapi_free_MigrationInfo(info);
1081 }
1082
1083 void hmp_migrate(Monitor *mon, const QDict *qdict)
1084 {
1085     int detach = qdict_get_try_bool(qdict, "detach", 0);
1086     int blk = qdict_get_try_bool(qdict, "blk", 0);
1087     int inc = qdict_get_try_bool(qdict, "inc", 0);
1088     const char *uri = qdict_get_str(qdict, "uri");
1089     Error *err = NULL;
1090
1091     qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
1092     if (err) {
1093         monitor_printf(mon, "migrate: %s\n", error_get_pretty(err));
1094         error_free(err);
1095         return;
1096     }
1097
1098     if (!detach) {
1099         MigrationStatus *status;
1100
1101         if (monitor_suspend(mon) < 0) {
1102             monitor_printf(mon, "terminal does not allow synchronous "
1103                            "migration, continuing detached\n");
1104             return;
1105         }
1106
1107         status = g_malloc0(sizeof(*status));
1108         status->mon = mon;
1109         status->is_block_migration = blk || inc;
1110         status->timer = qemu_new_timer_ms(rt_clock, hmp_migrate_status_cb,
1111                                           status);
1112         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock));
1113     }
1114 }
1115
1116 void hmp_device_del(Monitor *mon, const QDict *qdict)
1117 {
1118     const char *id = qdict_get_str(qdict, "id");
1119     Error *err = NULL;
1120
1121     qmp_device_del(id, &err);
1122     hmp_handle_error(mon, &err);
1123 }
1124
1125 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
1126 {
1127     Error *errp = NULL;
1128     int paging = qdict_get_try_bool(qdict, "paging", 0);
1129     const char *file = qdict_get_str(qdict, "filename");
1130     bool has_begin = qdict_haskey(qdict, "begin");
1131     bool has_length = qdict_haskey(qdict, "length");
1132     int64_t begin = 0;
1133     int64_t length = 0;
1134     char *prot;
1135
1136     if (has_begin) {
1137         begin = qdict_get_int(qdict, "begin");
1138     }
1139     if (has_length) {
1140         length = qdict_get_int(qdict, "length");
1141     }
1142
1143     prot = g_strconcat("file:", file, NULL);
1144
1145     qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length,
1146                           &errp);
1147     hmp_handle_error(mon, &errp);
1148     g_free(prot);
1149 }
1150
1151 void hmp_netdev_add(Monitor *mon, const QDict *qdict)
1152 {
1153     Error *err = NULL;
1154     QemuOpts *opts;
1155
1156     opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
1157     if (error_is_set(&err)) {
1158         goto out;
1159     }
1160
1161     netdev_add(opts, &err);
1162     if (error_is_set(&err)) {
1163         qemu_opts_del(opts);
1164     }
1165
1166 out:
1167     hmp_handle_error(mon, &err);
1168 }
1169
1170 void hmp_netdev_del(Monitor *mon, const QDict *qdict)
1171 {
1172     const char *id = qdict_get_str(qdict, "id");
1173     Error *err = NULL;
1174
1175     qmp_netdev_del(id, &err);
1176     hmp_handle_error(mon, &err);
1177 }
1178
1179 void hmp_getfd(Monitor *mon, const QDict *qdict)
1180 {
1181     const char *fdname = qdict_get_str(qdict, "fdname");
1182     Error *errp = NULL;
1183
1184     qmp_getfd(fdname, &errp);
1185     hmp_handle_error(mon, &errp);
1186 }
1187
1188 void hmp_closefd(Monitor *mon, const QDict *qdict)
1189 {
1190     const char *fdname = qdict_get_str(qdict, "fdname");
1191     Error *errp = NULL;
1192
1193     qmp_closefd(fdname, &errp);
1194     hmp_handle_error(mon, &errp);
1195 }
1196
1197 void hmp_send_key(Monitor *mon, const QDict *qdict)
1198 {
1199     const char *keys = qdict_get_str(qdict, "keys");
1200     KeyValueList *keylist, *head = NULL, *tmp = NULL;
1201     int has_hold_time = qdict_haskey(qdict, "hold-time");
1202     int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
1203     Error *err = NULL;
1204     char keyname_buf[16];
1205     char *separator;
1206     int keyname_len;
1207
1208     while (1) {
1209         separator = strchr(keys, '-');
1210         keyname_len = separator ? separator - keys : strlen(keys);
1211         pstrcpy(keyname_buf, sizeof(keyname_buf), keys);
1212
1213         /* Be compatible with old interface, convert user inputted "<" */
1214         if (!strncmp(keyname_buf, "<", 1) && keyname_len == 1) {
1215             pstrcpy(keyname_buf, sizeof(keyname_buf), "less");
1216             keyname_len = 4;
1217         }
1218         keyname_buf[keyname_len] = 0;
1219
1220         keylist = g_malloc0(sizeof(*keylist));
1221         keylist->value = g_malloc0(sizeof(*keylist->value));
1222
1223         if (!head) {
1224             head = keylist;
1225         }
1226         if (tmp) {
1227             tmp->next = keylist;
1228         }
1229         tmp = keylist;
1230
1231         if (strstart(keyname_buf, "0x", NULL)) {
1232             char *endp;
1233             int value = strtoul(keyname_buf, &endp, 0);
1234             if (*endp != '\0') {
1235                 goto err_out;
1236             }
1237             keylist->value->kind = KEY_VALUE_KIND_NUMBER;
1238             keylist->value->number = value;
1239         } else {
1240             int idx = index_from_key(keyname_buf);
1241             if (idx == Q_KEY_CODE_MAX) {
1242                 goto err_out;
1243             }
1244             keylist->value->kind = KEY_VALUE_KIND_QCODE;
1245             keylist->value->qcode = idx;
1246         }
1247
1248         if (!separator) {
1249             break;
1250         }
1251         keys = separator + 1;
1252     }
1253
1254     qmp_send_key(head, has_hold_time, hold_time, &err);
1255     hmp_handle_error(mon, &err);
1256
1257 out:
1258     qapi_free_KeyValueList(head);
1259     return;
1260
1261 err_out:
1262     monitor_printf(mon, "invalid parameter: %s\n", keyname_buf);
1263     goto out;
1264 }
1265
1266 void hmp_screen_dump(Monitor *mon, const QDict *qdict)
1267 {
1268     const char *filename = qdict_get_str(qdict, "filename");
1269     Error *err = NULL;
1270
1271     qmp_screendump(filename, &err);
1272     hmp_handle_error(mon, &err);
1273 }
1274
1275 void hmp_nbd_server_start(Monitor *mon, const QDict *qdict)
1276 {
1277     const char *uri = qdict_get_str(qdict, "uri");
1278     int writable = qdict_get_try_bool(qdict, "writable", 0);
1279     int all = qdict_get_try_bool(qdict, "all", 0);
1280     Error *local_err = NULL;
1281     BlockInfoList *block_list, *info;
1282     SocketAddress *addr;
1283
1284     if (writable && !all) {
1285         error_setg(&local_err, "-w only valid together with -a");
1286         goto exit;
1287     }
1288
1289     /* First check if the address is valid and start the server.  */
1290     addr = socket_parse(uri, &local_err);
1291     if (local_err != NULL) {
1292         goto exit;
1293     }
1294
1295     qmp_nbd_server_start(addr, &local_err);
1296     qapi_free_SocketAddress(addr);
1297     if (local_err != NULL) {
1298         goto exit;
1299     }
1300
1301     if (!all) {
1302         return;
1303     }
1304
1305     /* Then try adding all block devices.  If one fails, close all and
1306      * exit.
1307      */
1308     block_list = qmp_query_block(NULL);
1309
1310     for (info = block_list; info; info = info->next) {
1311         if (!info->value->has_inserted) {
1312             continue;
1313         }
1314
1315         qmp_nbd_server_add(info->value->device, true, writable, &local_err);
1316
1317         if (local_err != NULL) {
1318             qmp_nbd_server_stop(NULL);
1319             break;
1320         }
1321     }
1322
1323     qapi_free_BlockInfoList(block_list);
1324
1325 exit:
1326     hmp_handle_error(mon, &local_err);
1327 }
1328
1329 void hmp_nbd_server_add(Monitor *mon, const QDict *qdict)
1330 {
1331     const char *device = qdict_get_str(qdict, "device");
1332     int writable = qdict_get_try_bool(qdict, "writable", 0);
1333     Error *local_err = NULL;
1334
1335     qmp_nbd_server_add(device, true, writable, &local_err);
1336
1337     if (local_err != NULL) {
1338         hmp_handle_error(mon, &local_err);
1339     }
1340 }
1341
1342 void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
1343 {
1344     Error *errp = NULL;
1345
1346     qmp_nbd_server_stop(&errp);
1347     hmp_handle_error(mon, &errp);
1348 }
1349
1350 void hmp_chardev_add(Monitor *mon, const QDict *qdict)
1351 {
1352     const char *args = qdict_get_str(qdict, "args");
1353     Error *err = NULL;
1354     QemuOpts *opts;
1355
1356     opts = qemu_opts_parse(qemu_find_opts("chardev"), args, 1);
1357     if (opts == NULL) {
1358         error_setg(&err, "Parsing chardev args failed\n");
1359     } else {
1360         qemu_chr_new_from_opts(opts, NULL, &err);
1361     }
1362     hmp_handle_error(mon, &err);
1363 }
1364
1365 void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
1366 {
1367     Error *local_err = NULL;
1368
1369     qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
1370     hmp_handle_error(mon, &local_err);
1371 }