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     uint32_t size;
 668     const char *chardev = qdict_get_str(qdict, "device");
 669     const char *data = qdict_get_str(qdict, "data");
 670     Error *errp = NULL;
 671
 672     size = strlen(data);
 673     qmp_memchar_write(chardev, size, data, false, 0, &errp);
 674
 675     hmp_handle_error(mon, &errp);
 676 }
 677
 678 void hmp_memchar_read(Monitor *mon, const QDict *qdict)
 679 {
 680     uint32_t size = qdict_get_int(qdict, "size");
 681     const char *chardev = qdict_get_str(qdict, "device");
 682     MemCharRead *meminfo;
 683     Error *errp = NULL;
 684
 685     meminfo = qmp_memchar_read(chardev, size, false, 0, &errp);
 686     if (errp) {
 687         monitor_printf(mon, "%s\n", error_get_pretty(errp));
 688         error_free(errp);
 689         return;
 690     }
 691
 692     if (meminfo->count > 0) {
 693         monitor_printf(mon, "%s\n", meminfo->data);
 694     }
 695
 696     qapi_free_MemCharRead(meminfo);
 697 }
 698
 699 static void hmp_cont_cb(void *opaque, int err)
 700 {
 701     if (!err) {
 702         qmp_cont(NULL);
 703     }
 704 }
 705
 706 static bool key_is_missing(const BlockInfo *bdev)
 707 {
 708     return (bdev->inserted && bdev->inserted->encryption_key_missing);
 709 }
 710
 711 void hmp_cont(Monitor *mon, const QDict *qdict)
 712 {
 713     BlockInfoList *bdev_list, *bdev;
 714     Error *errp = NULL;
 715
 716     bdev_list = qmp_query_block(NULL);
 717     for (bdev = bdev_list; bdev; bdev = bdev->next) {
 718         if (key_is_missing(bdev->value)) {
 719             monitor_read_block_device_key(mon, bdev->value->device,
 720                                           hmp_cont_cb, NULL);
 721             goto out;
 722         }
 723     }
 724
 725     qmp_cont(&errp);
 726     hmp_handle_error(mon, &errp);
 727
 728 out:
 729     qapi_free_BlockInfoList(bdev_list);
 730 }
 731
 732 void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
 733 {
 734     qmp_system_wakeup(NULL);
 735 }
 736
 737 void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
 738 {
 739     Error *errp = NULL;
 740
 741     qmp_inject_nmi(&errp);
 742     hmp_handle_error(mon, &errp);
 743 }
 744
 745 void hmp_set_link(Monitor *mon, const QDict *qdict)
 746 {
 747     const char *name = qdict_get_str(qdict, "name");
 748     int up = qdict_get_bool(qdict, "up");
 749     Error *errp = NULL;
 750
 751     qmp_set_link(name, up, &errp);
 752     hmp_handle_error(mon, &errp);
 753 }
 754
 755 void hmp_block_passwd(Monitor *mon, const QDict *qdict)
 756 {
 757     const char *device = qdict_get_str(qdict, "device");
 758     const char *password = qdict_get_str(qdict, "password");
 759     Error *errp = NULL;
 760
 761     qmp_block_passwd(device, password, &errp);
 762     hmp_handle_error(mon, &errp);
 763 }
 764
 765 void hmp_balloon(Monitor *mon, const QDict *qdict)
 766 {
 767     int64_t value = qdict_get_int(qdict, "value");
 768     Error *errp = NULL;
 769
 770     qmp_balloon(value, &errp);
 771     if (error_is_set(&errp)) {
 772         monitor_printf(mon, "balloon: %s\n", error_get_pretty(errp));
 773         error_free(errp);
 774     }
 775 }
 776
 777 void hmp_block_resize(Monitor *mon, const QDict *qdict)
 778 {
 779     const char *device = qdict_get_str(qdict, "device");
 780     int64_t size = qdict_get_int(qdict, "size");
 781     Error *errp = NULL;
 782
 783     qmp_block_resize(device, size, &errp);
 784     hmp_handle_error(mon, &errp);
 785 }
 786
 787 void hmp_drive_mirror(Monitor *mon, const QDict *qdict)
 788 {
 789     const char *device = qdict_get_str(qdict, "device");
 790     const char *filename = qdict_get_str(qdict, "target");
 791     const char *format = qdict_get_try_str(qdict, "format");
 792     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 793     int full = qdict_get_try_bool(qdict, "full", 0);
 794     enum NewImageMode mode;
 795     Error *errp = NULL;
 796
 797     if (!filename) {
 798         error_set(&errp, QERR_MISSING_PARAMETER, "target");
 799         hmp_handle_error(mon, &errp);
 800         return;
 801     }
 802
 803     if (reuse) {
 804         mode = NEW_IMAGE_MODE_EXISTING;
 805     } else {
 806         mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 807     }
 808
 809     qmp_drive_mirror(device, filename, !!format, format,
 810                      full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
 811                      true, mode, false, 0, false, 0, false, 0,
 812                      false, 0, false, 0, &errp);
 813     hmp_handle_error(mon, &errp);
 814 }
 815
 816 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
 817 {
 818     const char *device = qdict_get_str(qdict, "device");
 819     const char *filename = qdict_get_try_str(qdict, "snapshot-file");
 820     const char *format = qdict_get_try_str(qdict, "format");
 821     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 822     enum NewImageMode mode;
 823     Error *errp = NULL;
 824
 825     if (!filename) {
 826         /* In the future, if 'snapshot-file' is not specified, the snapshot
 827            will be taken internally. Today it's actually required. */
 828         error_set(&errp, QERR_MISSING_PARAMETER, "snapshot-file");
 829         hmp_handle_error(mon, &errp);
 830         return;
 831     }
 832
 833     mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 834     qmp_blockdev_snapshot_sync(device, filename, !!format, format,
 835                                true, mode, &errp);
 836     hmp_handle_error(mon, &errp);
 837 }
 838
 839 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
 840 {
 841     qmp_migrate_cancel(NULL);
 842 }
 843
 844 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
 845 {
 846     double value = qdict_get_double(qdict, "value");
 847     qmp_migrate_set_downtime(value, NULL);
 848 }
 849
 850 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
 851 {
 852     int64_t value = qdict_get_int(qdict, "value");
 853     Error *err = NULL;
 854
 855     qmp_migrate_set_cache_size(value, &err);
 856     if (err) {
 857         monitor_printf(mon, "%s\n", error_get_pretty(err));
 858         error_free(err);
 859         return;
 860     }
 861 }
 862
 863 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
 864 {
 865     int64_t value = qdict_get_int(qdict, "value");
 866     qmp_migrate_set_speed(value, NULL);
 867 }
 868
 869 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
 870 {
 871     const char *cap = qdict_get_str(qdict, "capability");
 872     bool state = qdict_get_bool(qdict, "state");
 873     Error *err = NULL;
 874     MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
 875     int i;
 876
 877     for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
 878         if (strcmp(cap, MigrationCapability_lookup[i]) == 0) {
 879             caps->value = g_malloc0(sizeof(*caps->value));
 880             caps->value->capability = i;
 881             caps->value->state = state;
 882             caps->next = NULL;
 883             qmp_migrate_set_capabilities(caps, &err);
 884             break;
 885         }
 886     }
 887
 888     if (i == MIGRATION_CAPABILITY_MAX) {
 889         error_set(&err, QERR_INVALID_PARAMETER, cap);
 890     }
 891
 892     qapi_free_MigrationCapabilityStatusList(caps);
 893
 894     if (err) {
 895         monitor_printf(mon, "migrate_set_capability: %s\n",
 896                        error_get_pretty(err));
 897         error_free(err);
 898     }
 899 }
 900
 901 void hmp_set_password(Monitor *mon, const QDict *qdict)
 902 {
 903     const char *protocol  = qdict_get_str(qdict, "protocol");
 904     const char *password  = qdict_get_str(qdict, "password");
 905     const char *connected = qdict_get_try_str(qdict, "connected");
 906     Error *err = NULL;
 907
 908     qmp_set_password(protocol, password, !!connected, connected, &err);
 909     hmp_handle_error(mon, &err);
 910 }
 911
 912 void hmp_expire_password(Monitor *mon, const QDict *qdict)
 913 {
 914     const char *protocol  = qdict_get_str(qdict, "protocol");
 915     const char *whenstr = qdict_get_str(qdict, "time");
 916     Error *err = NULL;
 917
 918     qmp_expire_password(protocol, whenstr, &err);
 919     hmp_handle_error(mon, &err);
 920 }
 921
 922 void hmp_eject(Monitor *mon, const QDict *qdict)
 923 {
 924     int force = qdict_get_try_bool(qdict, "force", 0);
 925     const char *device = qdict_get_str(qdict, "device");
 926     Error *err = NULL;
 927
 928     qmp_eject(device, true, force, &err);
 929     hmp_handle_error(mon, &err);
 930 }
 931
 932 static void hmp_change_read_arg(Monitor *mon, const char *password,
 933                                 void *opaque)
 934 {
 935     qmp_change_vnc_password(password, NULL);
 936     monitor_read_command(mon, 1);
 937 }
 938
 939 void hmp_change(Monitor *mon, const QDict *qdict)
 940 {
 941     const char *device = qdict_get_str(qdict, "device");
 942     const char *target = qdict_get_str(qdict, "target");
 943     const char *arg = qdict_get_try_str(qdict, "arg");
 944     Error *err = NULL;
 945
 946     if (strcmp(device, "vnc") == 0 &&
 947             (strcmp(target, "passwd") == 0 ||
 948              strcmp(target, "password") == 0)) {
 949         if (!arg) {
 950             monitor_read_password(mon, hmp_change_read_arg, NULL);
 951             return;
 952         }
 953     }
 954
 955     qmp_change(device, target, !!arg, arg, &err);
 956     if (error_is_set(&err) &&
 957         error_get_class(err) == ERROR_CLASS_DEVICE_ENCRYPTED) {
 958         error_free(err);
 959         monitor_read_block_device_key(mon, device, NULL, NULL);
 960         return;
 961     }
 962     hmp_handle_error(mon, &err);
 963 }
 964
 965 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
 966 {
 967     Error *err = NULL;
 968
 969     qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
 970                               qdict_get_int(qdict, "bps"),
 971                               qdict_get_int(qdict, "bps_rd"),
 972                               qdict_get_int(qdict, "bps_wr"),
 973                               qdict_get_int(qdict, "iops"),
 974                               qdict_get_int(qdict, "iops_rd"),
 975                               qdict_get_int(qdict, "iops_wr"), &err);
 976     hmp_handle_error(mon, &err);
 977 }
 978
 979 void hmp_block_stream(Monitor *mon, const QDict *qdict)
 980 {
 981     Error *error = NULL;
 982     const char *device = qdict_get_str(qdict, "device");
 983     const char *base = qdict_get_try_str(qdict, "base");
 984     int64_t speed = qdict_get_try_int(qdict, "speed", 0);
 985
 986     qmp_block_stream(device, base != NULL, base,
 987                      qdict_haskey(qdict, "speed"), speed,
 988                      BLOCKDEV_ON_ERROR_REPORT, true, &error);
 989
 990     hmp_handle_error(mon, &error);
 991 }
 992
 993 void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
 994 {
 995     Error *error = NULL;
 996     const char *device = qdict_get_str(qdict, "device");
 997     int64_t value = qdict_get_int(qdict, "speed");
 998
 999     qmp_block_job_set_speed(device, value, &error);
1000
1001     hmp_handle_error(mon, &error);
1002 }
1003
1004 void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
1005 {
1006     Error *error = NULL;
1007     const char *device = qdict_get_str(qdict, "device");
1008     bool force = qdict_get_try_bool(qdict, "force", 0);
1009
1010     qmp_block_job_cancel(device, true, force, &error);
1011
1012     hmp_handle_error(mon, &error);
1013 }
1014
1015 void hmp_block_job_pause(Monitor *mon, const QDict *qdict)
1016 {
1017     Error *error = NULL;
1018     const char *device = qdict_get_str(qdict, "device");
1019
1020     qmp_block_job_pause(device, &error);
1021
1022     hmp_handle_error(mon, &error);
1023 }
1024
1025 void hmp_block_job_resume(Monitor *mon, const QDict *qdict)
1026 {
1027     Error *error = NULL;
1028     const char *device = qdict_get_str(qdict, "device");
1029
1030     qmp_block_job_resume(device, &error);
1031
1032     hmp_handle_error(mon, &error);
1033 }
1034
1035 void hmp_block_job_complete(Monitor *mon, const QDict *qdict)
1036 {
1037     Error *error = NULL;
1038     const char *device = qdict_get_str(qdict, "device");
1039
1040     qmp_block_job_complete(device, &error);
1041
1042     hmp_handle_error(mon, &error);
1043 }
1044
1045 typedef struct MigrationStatus
1046 {
1047     QEMUTimer *timer;
1048     Monitor *mon;
1049     bool is_block_migration;
1050 } MigrationStatus;
1051
1052 static void hmp_migrate_status_cb(void *opaque)
1053 {
1054     MigrationStatus *status = opaque;
1055     MigrationInfo *info;
1056
1057     info = qmp_query_migrate(NULL);
1058     if (!info->has_status || strcmp(info->status, "active") == 0) {
1059         if (info->has_disk) {
1060             int progress;
1061
1062             if (info->disk->remaining) {
1063                 progress = info->disk->transferred * 100 / info->disk->total;
1064             } else {
1065                 progress = 100;
1066             }
1067
1068             monitor_printf(status->mon, "Completed %d %%\r", progress);
1069             monitor_flush(status->mon);
1070         }
1071
1072         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock) + 1000);
1073     } else {
1074         if (status->is_block_migration) {
1075             monitor_printf(status->mon, "\n");
1076         }
1077         monitor_resume(status->mon);
1078         qemu_del_timer(status->timer);
1079         g_free(status);
1080     }
1081
1082     qapi_free_MigrationInfo(info);
1083 }
1084
1085 void hmp_migrate(Monitor *mon, const QDict *qdict)
1086 {
1087     int detach = qdict_get_try_bool(qdict, "detach", 0);
1088     int blk = qdict_get_try_bool(qdict, "blk", 0);
1089     int inc = qdict_get_try_bool(qdict, "inc", 0);
1090     const char *uri = qdict_get_str(qdict, "uri");
1091     Error *err = NULL;
1092
1093     qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
1094     if (err) {
1095         monitor_printf(mon, "migrate: %s\n", error_get_pretty(err));
1096         error_free(err);
1097         return;
1098     }
1099
1100     if (!detach) {
1101         MigrationStatus *status;
1102
1103         if (monitor_suspend(mon) < 0) {
1104             monitor_printf(mon, "terminal does not allow synchronous "
1105                            "migration, continuing detached\n");
1106             return;
1107         }
1108
1109         status = g_malloc0(sizeof(*status));
1110         status->mon = mon;
1111         status->is_block_migration = blk || inc;
1112         status->timer = qemu_new_timer_ms(rt_clock, hmp_migrate_status_cb,
1113                                           status);
1114         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock));
1115     }
1116 }
1117
1118 void hmp_device_del(Monitor *mon, const QDict *qdict)
1119 {
1120     const char *id = qdict_get_str(qdict, "id");
1121     Error *err = NULL;
1122
1123     qmp_device_del(id, &err);
1124     hmp_handle_error(mon, &err);
1125 }
1126
1127 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
1128 {
1129     Error *errp = NULL;
1130     int paging = qdict_get_try_bool(qdict, "paging", 0);
1131     const char *file = qdict_get_str(qdict, "filename");
1132     bool has_begin = qdict_haskey(qdict, "begin");
1133     bool has_length = qdict_haskey(qdict, "length");
1134     int64_t begin = 0;
1135     int64_t length = 0;
1136     char *prot;
1137
1138     if (has_begin) {
1139         begin = qdict_get_int(qdict, "begin");
1140     }
1141     if (has_length) {
1142         length = qdict_get_int(qdict, "length");
1143     }
1144
1145     prot = g_strconcat("file:", file, NULL);
1146
1147     qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length,
1148                           &errp);
1149     hmp_handle_error(mon, &errp);
1150     g_free(prot);
1151 }
1152
1153 void hmp_netdev_add(Monitor *mon, const QDict *qdict)
1154 {
1155     Error *err = NULL;
1156     QemuOpts *opts;
1157
1158     opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
1159     if (error_is_set(&err)) {
1160         goto out;
1161     }
1162
1163     netdev_add(opts, &err);
1164     if (error_is_set(&err)) {
1165         qemu_opts_del(opts);
1166     }
1167
1168 out:
1169     hmp_handle_error(mon, &err);
1170 }
1171
1172 void hmp_netdev_del(Monitor *mon, const QDict *qdict)
1173 {
1174     const char *id = qdict_get_str(qdict, "id");
1175     Error *err = NULL;
1176
1177     qmp_netdev_del(id, &err);
1178     hmp_handle_error(mon, &err);
1179 }
1180
1181 void hmp_getfd(Monitor *mon, const QDict *qdict)
1182 {
1183     const char *fdname = qdict_get_str(qdict, "fdname");
1184     Error *errp = NULL;
1185
1186     qmp_getfd(fdname, &errp);
1187     hmp_handle_error(mon, &errp);
1188 }
1189
1190 void hmp_closefd(Monitor *mon, const QDict *qdict)
1191 {
1192     const char *fdname = qdict_get_str(qdict, "fdname");
1193     Error *errp = NULL;
1194
1195     qmp_closefd(fdname, &errp);
1196     hmp_handle_error(mon, &errp);
1197 }
1198
1199 void hmp_send_key(Monitor *mon, const QDict *qdict)
1200 {
1201     const char *keys = qdict_get_str(qdict, "keys");
1202     KeyValueList *keylist, *head = NULL, *tmp = NULL;
1203     int has_hold_time = qdict_haskey(qdict, "hold-time");
1204     int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
1205     Error *err = NULL;
1206     char keyname_buf[16];
1207     char *separator;
1208     int keyname_len;
1209
1210     while (1) {
1211         separator = strchr(keys, '-');
1212         keyname_len = separator ? separator - keys : strlen(keys);
1213         pstrcpy(keyname_buf, sizeof(keyname_buf), keys);
1214
1215         /* Be compatible with old interface, convert user inputted "<" */
1216         if (!strncmp(keyname_buf, "<", 1) && keyname_len == 1) {
1217             pstrcpy(keyname_buf, sizeof(keyname_buf), "less");
1218             keyname_len = 4;
1219         }
1220         keyname_buf[keyname_len] = 0;
1221
1222         keylist = g_malloc0(sizeof(*keylist));
1223         keylist->value = g_malloc0(sizeof(*keylist->value));
1224
1225         if (!head) {
1226             head = keylist;
1227         }
1228         if (tmp) {
1229             tmp->next = keylist;
1230         }
1231         tmp = keylist;
1232
1233         if (strstart(keyname_buf, "0x", NULL)) {
1234             char *endp;
1235             int value = strtoul(keyname_buf, &endp, 0);
1236             if (*endp != '\0') {
1237                 goto err_out;
1238             }
1239             keylist->value->kind = KEY_VALUE_KIND_NUMBER;
1240             keylist->value->number = value;
1241         } else {
1242             int idx = index_from_key(keyname_buf);
1243             if (idx == Q_KEY_CODE_MAX) {
1244                 goto err_out;
1245             }
1246             keylist->value->kind = KEY_VALUE_KIND_QCODE;
1247             keylist->value->qcode = idx;
1248         }
1249
1250         if (!separator) {
1251             break;
1252         }
1253         keys = separator + 1;
1254     }
1255
1256     qmp_send_key(head, has_hold_time, hold_time, &err);
1257     hmp_handle_error(mon, &err);
1258
1259 out:
1260     qapi_free_KeyValueList(head);
1261     return;
1262
1263 err_out:
1264     monitor_printf(mon, "invalid parameter: %s\n", keyname_buf);
1265     goto out;
1266 }
1267
1268 void hmp_screen_dump(Monitor *mon, const QDict *qdict)
1269 {
1270     const char *filename = qdict_get_str(qdict, "filename");
1271     Error *err = NULL;
1272
1273     qmp_screendump(filename, &err);
1274     hmp_handle_error(mon, &err);
1275 }
1276
1277 void hmp_nbd_server_start(Monitor *mon, const QDict *qdict)
1278 {
1279     const char *uri = qdict_get_str(qdict, "uri");
1280     int writable = qdict_get_try_bool(qdict, "writable", 0);
1281     int all = qdict_get_try_bool(qdict, "all", 0);
1282     Error *local_err = NULL;
1283     BlockInfoList *block_list, *info;
1284     SocketAddress *addr;
1285
1286     if (writable && !all) {
1287         error_setg(&local_err, "-w only valid together with -a");
1288         goto exit;
1289     }
1290
1291     /* First check if the address is valid and start the server.  */
1292     addr = socket_parse(uri, &local_err);
1293     if (local_err != NULL) {
1294         goto exit;
1295     }
1296
1297     qmp_nbd_server_start(addr, &local_err);
1298     qapi_free_SocketAddress(addr);
1299     if (local_err != NULL) {
1300         goto exit;
1301     }
1302
1303     if (!all) {
1304         return;
1305     }
1306
1307     /* Then try adding all block devices.  If one fails, close all and
1308      * exit.
1309      */
1310     block_list = qmp_query_block(NULL);
1311
1312     for (info = block_list; info; info = info->next) {
1313         if (!info->value->has_inserted) {
1314             continue;
1315         }
1316
1317         qmp_nbd_server_add(info->value->device, true, writable, &local_err);
1318
1319         if (local_err != NULL) {
1320             qmp_nbd_server_stop(NULL);
1321             break;
1322         }
1323     }
1324
1325     qapi_free_BlockInfoList(block_list);
1326
1327 exit:
1328     hmp_handle_error(mon, &local_err);
1329 }
1330
1331 void hmp_nbd_server_add(Monitor *mon, const QDict *qdict)
1332 {
1333     const char *device = qdict_get_str(qdict, "device");
1334     int writable = qdict_get_try_bool(qdict, "writable", 0);
1335     Error *local_err = NULL;
1336
1337     qmp_nbd_server_add(device, true, writable, &local_err);
1338
1339     if (local_err != NULL) {
1340         hmp_handle_error(mon, &local_err);
1341     }
1342 }
1343
1344 void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
1345 {
1346     Error *errp = NULL;
1347
1348     qmp_nbd_server_stop(&errp);
1349     hmp_handle_error(mon, &errp);
1350 }
1351
1352 void hmp_chardev_add(Monitor *mon, const QDict *qdict)
1353 {
1354     const char *args = qdict_get_str(qdict, "args");
1355     Error *err = NULL;
1356     QemuOpts *opts;
1357
1358     opts = qemu_opts_parse(qemu_find_opts("chardev"), args, 1);
1359     if (opts == NULL) {
1360         error_setg(&err, "Parsing chardev args failed\n");
1361     } else {
1362         qemu_chr_new_from_opts(opts, NULL, &err);
1363     }
1364     hmp_handle_error(mon, &err);
1365 }
1366
1367 void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
1368 {
1369     Error *local_err = NULL;
1370
1371     qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
1372     hmp_handle_error(mon, &local_err);
1373 }