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, info->actual >> 20);
 469     if (info->has_mem_swapped_in) {
 470         monitor_printf(mon, " mem_swapped_in=%" PRId64, info->mem_swapped_in);
 471     }
 472     if (info->has_mem_swapped_out) {
 473         monitor_printf(mon, " mem_swapped_out=%" PRId64, info->mem_swapped_out);
 474     }
 475     if (info->has_major_page_faults) {
 476         monitor_printf(mon, " major_page_faults=%" PRId64,
 477                        info->major_page_faults);
 478     }
 479     if (info->has_minor_page_faults) {
 480         monitor_printf(mon, " minor_page_faults=%" PRId64,
 481                        info->minor_page_faults);
 482     }
 483     if (info->has_free_mem) {
 484         monitor_printf(mon, " free_mem=%" PRId64, info->free_mem);
 485     }
 486     if (info->has_total_mem) {
 487         monitor_printf(mon, " total_mem=%" PRId64, info->total_mem);
 488     }
 489
 490     monitor_printf(mon, "\n");
 491
 492     qapi_free_BalloonInfo(info);
 493 }
 494
 495 static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev)
 496 {
 497     PciMemoryRegionList *region;
 498
 499     monitor_printf(mon, "  Bus %2" PRId64 ", ", dev->bus);
 500     monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n",
 501                    dev->slot, dev->function);
 502     monitor_printf(mon, "    ");
 503
 504     if (dev->class_info.has_desc) {
 505         monitor_printf(mon, "%s", dev->class_info.desc);
 506     } else {
 507         monitor_printf(mon, "Class %04" PRId64, dev->class_info.class);
 508     }
 509
 510     monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
 511                    dev->id.vendor, dev->id.device);
 512
 513     if (dev->has_irq) {
 514         monitor_printf(mon, "      IRQ %" PRId64 ".\n", dev->irq);
 515     }
 516
 517     if (dev->has_pci_bridge) {
 518         monitor_printf(mon, "      BUS %" PRId64 ".\n",
 519                        dev->pci_bridge->bus.number);
 520         monitor_printf(mon, "      secondary bus %" PRId64 ".\n",
 521                        dev->pci_bridge->bus.secondary);
 522         monitor_printf(mon, "      subordinate bus %" PRId64 ".\n",
 523                        dev->pci_bridge->bus.subordinate);
 524
 525         monitor_printf(mon, "      IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n",
 526                        dev->pci_bridge->bus.io_range->base,
 527                        dev->pci_bridge->bus.io_range->limit);
 528
 529         monitor_printf(mon,
 530                        "      memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n",
 531                        dev->pci_bridge->bus.memory_range->base,
 532                        dev->pci_bridge->bus.memory_range->limit);
 533
 534         monitor_printf(mon, "      prefetchable memory range "
 535                        "[0x%08"PRIx64", 0x%08"PRIx64"]\n",
 536                        dev->pci_bridge->bus.prefetchable_range->base,
 537                        dev->pci_bridge->bus.prefetchable_range->limit);
 538     }
 539
 540     for (region = dev->regions; region; region = region->next) {
 541         uint64_t addr, size;
 542
 543         addr = region->value->address;
 544         size = region->value->size;
 545
 546         monitor_printf(mon, "      BAR%" PRId64 ": ", region->value->bar);
 547
 548         if (!strcmp(region->value->type, "io")) {
 549             monitor_printf(mon, "I/O at 0x%04" PRIx64
 550                                 " [0x%04" PRIx64 "].\n",
 551                            addr, addr + size - 1);
 552         } else {
 553             monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64
 554                                " [0x%08" PRIx64 "].\n",
 555                            region->value->mem_type_64 ? 64 : 32,
 556                            region->value->prefetch ? " prefetchable" : "",
 557                            addr, addr + size - 1);
 558         }
 559     }
 560
 561     monitor_printf(mon, "      id \"%s\"\n", dev->qdev_id);
 562
 563     if (dev->has_pci_bridge) {
 564         if (dev->pci_bridge->has_devices) {
 565             PciDeviceInfoList *cdev;
 566             for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) {
 567                 hmp_info_pci_device(mon, cdev->value);
 568             }
 569         }
 570     }
 571 }
 572
 573 void hmp_info_pci(Monitor *mon, const QDict *qdict)
 574 {
 575     PciInfoList *info_list, *info;
 576     Error *err = NULL;
 577
 578     info_list = qmp_query_pci(&err);
 579     if (err) {
 580         monitor_printf(mon, "PCI devices not supported\n");
 581         error_free(err);
 582         return;
 583     }
 584
 585     for (info = info_list; info; info = info->next) {
 586         PciDeviceInfoList *dev;
 587
 588         for (dev = info->value->devices; dev; dev = dev->next) {
 589             hmp_info_pci_device(mon, dev->value);
 590         }
 591     }
 592
 593     qapi_free_PciInfoList(info_list);
 594 }
 595
 596 void hmp_info_block_jobs(Monitor *mon, const QDict *qdict)
 597 {
 598     BlockJobInfoList *list;
 599     Error *err = NULL;
 600
 601     list = qmp_query_block_jobs(&err);
 602     assert(!err);
 603
 604     if (!list) {
 605         monitor_printf(mon, "No active jobs\n");
 606         return;
 607     }
 608
 609     while (list) {
 610         if (strcmp(list->value->type, "stream") == 0) {
 611             monitor_printf(mon, "Streaming device %s: Completed %" PRId64
 612                            " of %" PRId64 " bytes, speed limit %" PRId64
 613                            " bytes/s\n",
 614                            list->value->device,
 615                            list->value->offset,
 616                            list->value->len,
 617                            list->value->speed);
 618         } else {
 619             monitor_printf(mon, "Type %s, device %s: Completed %" PRId64
 620                            " of %" PRId64 " bytes, speed limit %" PRId64
 621                            " bytes/s\n",
 622                            list->value->type,
 623                            list->value->device,
 624                            list->value->offset,
 625                            list->value->len,
 626                            list->value->speed);
 627         }
 628         list = list->next;
 629     }
 630 }
 631
 632 void hmp_quit(Monitor *mon, const QDict *qdict)
 633 {
 634     monitor_suspend(mon);
 635     qmp_quit(NULL);
 636 }
 637
 638 void hmp_stop(Monitor *mon, const QDict *qdict)
 639 {
 640     qmp_stop(NULL);
 641 }
 642
 643 void hmp_system_reset(Monitor *mon, const QDict *qdict)
 644 {
 645     qmp_system_reset(NULL);
 646 }
 647
 648 void hmp_system_powerdown(Monitor *mon, const QDict *qdict)
 649 {
 650     qmp_system_powerdown(NULL);
 651 }
 652
 653 void hmp_cpu(Monitor *mon, const QDict *qdict)
 654 {
 655     int64_t cpu_index;
 656
 657     /* XXX: drop the monitor_set_cpu() usage when all HMP commands that
 658             use it are converted to the QAPI */
 659     cpu_index = qdict_get_int(qdict, "index");
 660     if (monitor_set_cpu(cpu_index) < 0) {
 661         monitor_printf(mon, "invalid CPU index\n");
 662     }
 663 }
 664
 665 void hmp_memsave(Monitor *mon, const QDict *qdict)
 666 {
 667     uint32_t size = qdict_get_int(qdict, "size");
 668     const char *filename = qdict_get_str(qdict, "filename");
 669     uint64_t addr = qdict_get_int(qdict, "val");
 670     Error *errp = NULL;
 671
 672     qmp_memsave(addr, size, filename, true, monitor_get_cpu_index(), &errp);
 673     hmp_handle_error(mon, &errp);
 674 }
 675
 676 void hmp_pmemsave(Monitor *mon, const QDict *qdict)
 677 {
 678     uint32_t size = qdict_get_int(qdict, "size");
 679     const char *filename = qdict_get_str(qdict, "filename");
 680     uint64_t addr = qdict_get_int(qdict, "val");
 681     Error *errp = NULL;
 682
 683     qmp_pmemsave(addr, size, filename, &errp);
 684     hmp_handle_error(mon, &errp);
 685 }
 686
 687 static void hmp_cont_cb(void *opaque, int err)
 688 {
 689     if (!err) {
 690         qmp_cont(NULL);
 691     }
 692 }
 693
 694 static bool key_is_missing(const BlockInfo *bdev)
 695 {
 696     return (bdev->inserted && bdev->inserted->encryption_key_missing);
 697 }
 698
 699 void hmp_cont(Monitor *mon, const QDict *qdict)
 700 {
 701     BlockInfoList *bdev_list, *bdev;
 702     Error *errp = NULL;
 703
 704     bdev_list = qmp_query_block(NULL);
 705     for (bdev = bdev_list; bdev; bdev = bdev->next) {
 706         if (key_is_missing(bdev->value)) {
 707             monitor_read_block_device_key(mon, bdev->value->device,
 708                                           hmp_cont_cb, NULL);
 709             goto out;
 710         }
 711     }
 712
 713     qmp_cont(&errp);
 714     hmp_handle_error(mon, &errp);
 715
 716 out:
 717     qapi_free_BlockInfoList(bdev_list);
 718 }
 719
 720 void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
 721 {
 722     qmp_system_wakeup(NULL);
 723 }
 724
 725 void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
 726 {
 727     Error *errp = NULL;
 728
 729     qmp_inject_nmi(&errp);
 730     hmp_handle_error(mon, &errp);
 731 }
 732
 733 void hmp_set_link(Monitor *mon, const QDict *qdict)
 734 {
 735     const char *name = qdict_get_str(qdict, "name");
 736     int up = qdict_get_bool(qdict, "up");
 737     Error *errp = NULL;
 738
 739     qmp_set_link(name, up, &errp);
 740     hmp_handle_error(mon, &errp);
 741 }
 742
 743 void hmp_block_passwd(Monitor *mon, const QDict *qdict)
 744 {
 745     const char *device = qdict_get_str(qdict, "device");
 746     const char *password = qdict_get_str(qdict, "password");
 747     Error *errp = NULL;
 748
 749     qmp_block_passwd(device, password, &errp);
 750     hmp_handle_error(mon, &errp);
 751 }
 752
 753 void hmp_balloon(Monitor *mon, const QDict *qdict)
 754 {
 755     int64_t value = qdict_get_int(qdict, "value");
 756     Error *errp = NULL;
 757
 758     qmp_balloon(value, &errp);
 759     if (error_is_set(&errp)) {
 760         monitor_printf(mon, "balloon: %s\n", error_get_pretty(errp));
 761         error_free(errp);
 762     }
 763 }
 764
 765 void hmp_block_resize(Monitor *mon, const QDict *qdict)
 766 {
 767     const char *device = qdict_get_str(qdict, "device");
 768     int64_t size = qdict_get_int(qdict, "size");
 769     Error *errp = NULL;
 770
 771     qmp_block_resize(device, size, &errp);
 772     hmp_handle_error(mon, &errp);
 773 }
 774
 775 void hmp_drive_mirror(Monitor *mon, const QDict *qdict)
 776 {
 777     const char *device = qdict_get_str(qdict, "device");
 778     const char *filename = qdict_get_str(qdict, "target");
 779     const char *format = qdict_get_try_str(qdict, "format");
 780     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 781     int full = qdict_get_try_bool(qdict, "full", 0);
 782     enum NewImageMode mode;
 783     Error *errp = NULL;
 784
 785     if (!filename) {
 786         error_set(&errp, QERR_MISSING_PARAMETER, "target");
 787         hmp_handle_error(mon, &errp);
 788         return;
 789     }
 790
 791     if (reuse) {
 792         mode = NEW_IMAGE_MODE_EXISTING;
 793     } else {
 794         mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 795     }
 796
 797     qmp_drive_mirror(device, filename, !!format, format,
 798                      full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
 799                      true, mode, false, 0,
 800                      false, 0, false, 0, &errp);
 801     hmp_handle_error(mon, &errp);
 802 }
 803
 804 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
 805 {
 806     const char *device = qdict_get_str(qdict, "device");
 807     const char *filename = qdict_get_try_str(qdict, "snapshot-file");
 808     const char *format = qdict_get_try_str(qdict, "format");
 809     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 810     enum NewImageMode mode;
 811     Error *errp = NULL;
 812
 813     if (!filename) {
 814         /* In the future, if 'snapshot-file' is not specified, the snapshot
 815            will be taken internally. Today it's actually required. */
 816         error_set(&errp, QERR_MISSING_PARAMETER, "snapshot-file");
 817         hmp_handle_error(mon, &errp);
 818         return;
 819     }
 820
 821     mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 822     qmp_blockdev_snapshot_sync(device, filename, !!format, format,
 823                                true, mode, &errp);
 824     hmp_handle_error(mon, &errp);
 825 }
 826
 827 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
 828 {
 829     qmp_migrate_cancel(NULL);
 830 }
 831
 832 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
 833 {
 834     double value = qdict_get_double(qdict, "value");
 835     qmp_migrate_set_downtime(value, NULL);
 836 }
 837
 838 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
 839 {
 840     int64_t value = qdict_get_int(qdict, "value");
 841     Error *err = NULL;
 842
 843     qmp_migrate_set_cache_size(value, &err);
 844     if (err) {
 845         monitor_printf(mon, "%s\n", error_get_pretty(err));
 846         error_free(err);
 847         return;
 848     }
 849 }
 850
 851 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
 852 {
 853     int64_t value = qdict_get_int(qdict, "value");
 854     qmp_migrate_set_speed(value, NULL);
 855 }
 856
 857 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
 858 {
 859     const char *cap = qdict_get_str(qdict, "capability");
 860     bool state = qdict_get_bool(qdict, "state");
 861     Error *err = NULL;
 862     MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
 863     int i;
 864
 865     for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
 866         if (strcmp(cap, MigrationCapability_lookup[i]) == 0) {
 867             caps->value = g_malloc0(sizeof(*caps->value));
 868             caps->value->capability = i;
 869             caps->value->state = state;
 870             caps->next = NULL;
 871             qmp_migrate_set_capabilities(caps, &err);
 872             break;
 873         }
 874     }
 875
 876     if (i == MIGRATION_CAPABILITY_MAX) {
 877         error_set(&err, QERR_INVALID_PARAMETER, cap);
 878     }
 879
 880     qapi_free_MigrationCapabilityStatusList(caps);
 881
 882     if (err) {
 883         monitor_printf(mon, "migrate_set_parameter: %s\n",
 884                        error_get_pretty(err));
 885         error_free(err);
 886     }
 887 }
 888
 889 void hmp_set_password(Monitor *mon, const QDict *qdict)
 890 {
 891     const char *protocol  = qdict_get_str(qdict, "protocol");
 892     const char *password  = qdict_get_str(qdict, "password");
 893     const char *connected = qdict_get_try_str(qdict, "connected");
 894     Error *err = NULL;
 895
 896     qmp_set_password(protocol, password, !!connected, connected, &err);
 897     hmp_handle_error(mon, &err);
 898 }
 899
 900 void hmp_expire_password(Monitor *mon, const QDict *qdict)
 901 {
 902     const char *protocol  = qdict_get_str(qdict, "protocol");
 903     const char *whenstr = qdict_get_str(qdict, "time");
 904     Error *err = NULL;
 905
 906     qmp_expire_password(protocol, whenstr, &err);
 907     hmp_handle_error(mon, &err);
 908 }
 909
 910 void hmp_eject(Monitor *mon, const QDict *qdict)
 911 {
 912     int force = qdict_get_try_bool(qdict, "force", 0);
 913     const char *device = qdict_get_str(qdict, "device");
 914     Error *err = NULL;
 915
 916     qmp_eject(device, true, force, &err);
 917     hmp_handle_error(mon, &err);
 918 }
 919
 920 static void hmp_change_read_arg(Monitor *mon, const char *password,
 921                                 void *opaque)
 922 {
 923     qmp_change_vnc_password(password, NULL);
 924     monitor_read_command(mon, 1);
 925 }
 926
 927 void hmp_change(Monitor *mon, const QDict *qdict)
 928 {
 929     const char *device = qdict_get_str(qdict, "device");
 930     const char *target = qdict_get_str(qdict, "target");
 931     const char *arg = qdict_get_try_str(qdict, "arg");
 932     Error *err = NULL;
 933
 934     if (strcmp(device, "vnc") == 0 &&
 935             (strcmp(target, "passwd") == 0 ||
 936              strcmp(target, "password") == 0)) {
 937         if (!arg) {
 938             monitor_read_password(mon, hmp_change_read_arg, NULL);
 939             return;
 940         }
 941     }
 942
 943     qmp_change(device, target, !!arg, arg, &err);
 944     if (error_is_set(&err) &&
 945         error_get_class(err) == ERROR_CLASS_DEVICE_ENCRYPTED) {
 946         error_free(err);
 947         monitor_read_block_device_key(mon, device, NULL, NULL);
 948         return;
 949     }
 950     hmp_handle_error(mon, &err);
 951 }
 952
 953 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
 954 {
 955     Error *err = NULL;
 956
 957     qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
 958                               qdict_get_int(qdict, "bps"),
 959                               qdict_get_int(qdict, "bps_rd"),
 960                               qdict_get_int(qdict, "bps_wr"),
 961                               qdict_get_int(qdict, "iops"),
 962                               qdict_get_int(qdict, "iops_rd"),
 963                               qdict_get_int(qdict, "iops_wr"), &err);
 964     hmp_handle_error(mon, &err);
 965 }
 966
 967 void hmp_block_stream(Monitor *mon, const QDict *qdict)
 968 {
 969     Error *error = NULL;
 970     const char *device = qdict_get_str(qdict, "device");
 971     const char *base = qdict_get_try_str(qdict, "base");
 972     int64_t speed = qdict_get_try_int(qdict, "speed", 0);
 973
 974     qmp_block_stream(device, base != NULL, base,
 975                      qdict_haskey(qdict, "speed"), speed,
 976                      BLOCKDEV_ON_ERROR_REPORT, true, &error);
 977
 978     hmp_handle_error(mon, &error);
 979 }
 980
 981 void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
 982 {
 983     Error *error = NULL;
 984     const char *device = qdict_get_str(qdict, "device");
 985     int64_t value = qdict_get_int(qdict, "speed");
 986
 987     qmp_block_job_set_speed(device, value, &error);
 988
 989     hmp_handle_error(mon, &error);
 990 }
 991
 992 void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
 993 {
 994     Error *error = NULL;
 995     const char *device = qdict_get_str(qdict, "device");
 996     bool force = qdict_get_try_bool(qdict, "force", 0);
 997
 998     qmp_block_job_cancel(device, true, force, &error);
 999
1000     hmp_handle_error(mon, &error);
1001 }
1002
1003 void hmp_block_job_pause(Monitor *mon, const QDict *qdict)
1004 {
1005     Error *error = NULL;
1006     const char *device = qdict_get_str(qdict, "device");
1007
1008     qmp_block_job_pause(device, &error);
1009
1010     hmp_handle_error(mon, &error);
1011 }
1012
1013 void hmp_block_job_resume(Monitor *mon, const QDict *qdict)
1014 {
1015     Error *error = NULL;
1016     const char *device = qdict_get_str(qdict, "device");
1017
1018     qmp_block_job_resume(device, &error);
1019
1020     hmp_handle_error(mon, &error);
1021 }
1022
1023 void hmp_block_job_complete(Monitor *mon, const QDict *qdict)
1024 {
1025     Error *error = NULL;
1026     const char *device = qdict_get_str(qdict, "device");
1027
1028     qmp_block_job_complete(device, &error);
1029
1030     hmp_handle_error(mon, &error);
1031 }
1032
1033 typedef struct MigrationStatus
1034 {
1035     QEMUTimer *timer;
1036     Monitor *mon;
1037     bool is_block_migration;
1038 } MigrationStatus;
1039
1040 static void hmp_migrate_status_cb(void *opaque)
1041 {
1042     MigrationStatus *status = opaque;
1043     MigrationInfo *info;
1044
1045     info = qmp_query_migrate(NULL);
1046     if (!info->has_status || strcmp(info->status, "active") == 0) {
1047         if (info->has_disk) {
1048             int progress;
1049
1050             if (info->disk->remaining) {
1051                 progress = info->disk->transferred * 100 / info->disk->total;
1052             } else {
1053                 progress = 100;
1054             }
1055
1056             monitor_printf(status->mon, "Completed %d %%\r", progress);
1057             monitor_flush(status->mon);
1058         }
1059
1060         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock) + 1000);
1061     } else {
1062         if (status->is_block_migration) {
1063             monitor_printf(status->mon, "\n");
1064         }
1065         monitor_resume(status->mon);
1066         qemu_del_timer(status->timer);
1067         g_free(status);
1068     }
1069
1070     qapi_free_MigrationInfo(info);
1071 }
1072
1073 void hmp_migrate(Monitor *mon, const QDict *qdict)
1074 {
1075     int detach = qdict_get_try_bool(qdict, "detach", 0);
1076     int blk = qdict_get_try_bool(qdict, "blk", 0);
1077     int inc = qdict_get_try_bool(qdict, "inc", 0);
1078     const char *uri = qdict_get_str(qdict, "uri");
1079     Error *err = NULL;
1080
1081     qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
1082     if (err) {
1083         monitor_printf(mon, "migrate: %s\n", error_get_pretty(err));
1084         error_free(err);
1085         return;
1086     }
1087
1088     if (!detach) {
1089         MigrationStatus *status;
1090
1091         if (monitor_suspend(mon) < 0) {
1092             monitor_printf(mon, "terminal does not allow synchronous "
1093                            "migration, continuing detached\n");
1094             return;
1095         }
1096
1097         status = g_malloc0(sizeof(*status));
1098         status->mon = mon;
1099         status->is_block_migration = blk || inc;
1100         status->timer = qemu_new_timer_ms(rt_clock, hmp_migrate_status_cb,
1101                                           status);
1102         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock));
1103     }
1104 }
1105
1106 void hmp_device_del(Monitor *mon, const QDict *qdict)
1107 {
1108     const char *id = qdict_get_str(qdict, "id");
1109     Error *err = NULL;
1110
1111     qmp_device_del(id, &err);
1112     hmp_handle_error(mon, &err);
1113 }
1114
1115 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
1116 {
1117     Error *errp = NULL;
1118     int paging = qdict_get_try_bool(qdict, "paging", 0);
1119     const char *file = qdict_get_str(qdict, "filename");
1120     bool has_begin = qdict_haskey(qdict, "begin");
1121     bool has_length = qdict_haskey(qdict, "length");
1122     int64_t begin = 0;
1123     int64_t length = 0;
1124     char *prot;
1125
1126     if (has_begin) {
1127         begin = qdict_get_int(qdict, "begin");
1128     }
1129     if (has_length) {
1130         length = qdict_get_int(qdict, "length");
1131     }
1132
1133     prot = g_strconcat("file:", file, NULL);
1134
1135     qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length,
1136                           &errp);
1137     hmp_handle_error(mon, &errp);
1138     g_free(prot);
1139 }
1140
1141 void hmp_netdev_add(Monitor *mon, const QDict *qdict)
1142 {
1143     Error *err = NULL;
1144     QemuOpts *opts;
1145
1146     opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
1147     if (error_is_set(&err)) {
1148         goto out;
1149     }
1150
1151     netdev_add(opts, &err);
1152     if (error_is_set(&err)) {
1153         qemu_opts_del(opts);
1154     }
1155
1156 out:
1157     hmp_handle_error(mon, &err);
1158 }
1159
1160 void hmp_netdev_del(Monitor *mon, const QDict *qdict)
1161 {
1162     const char *id = qdict_get_str(qdict, "id");
1163     Error *err = NULL;
1164
1165     qmp_netdev_del(id, &err);
1166     hmp_handle_error(mon, &err);
1167 }
1168
1169 void hmp_getfd(Monitor *mon, const QDict *qdict)
1170 {
1171     const char *fdname = qdict_get_str(qdict, "fdname");
1172     Error *errp = NULL;
1173
1174     qmp_getfd(fdname, &errp);
1175     hmp_handle_error(mon, &errp);
1176 }
1177
1178 void hmp_closefd(Monitor *mon, const QDict *qdict)
1179 {
1180     const char *fdname = qdict_get_str(qdict, "fdname");
1181     Error *errp = NULL;
1182
1183     qmp_closefd(fdname, &errp);
1184     hmp_handle_error(mon, &errp);
1185 }
1186
1187 void hmp_send_key(Monitor *mon, const QDict *qdict)
1188 {
1189     const char *keys = qdict_get_str(qdict, "keys");
1190     KeyValueList *keylist, *head = NULL, *tmp = NULL;
1191     int has_hold_time = qdict_haskey(qdict, "hold-time");
1192     int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
1193     Error *err = NULL;
1194     char keyname_buf[16];
1195     char *separator;
1196     int keyname_len;
1197
1198     while (1) {
1199         separator = strchr(keys, '-');
1200         keyname_len = separator ? separator - keys : strlen(keys);
1201         pstrcpy(keyname_buf, sizeof(keyname_buf), keys);
1202
1203         /* Be compatible with old interface, convert user inputted "<" */
1204         if (!strncmp(keyname_buf, "<", 1) && keyname_len == 1) {
1205             pstrcpy(keyname_buf, sizeof(keyname_buf), "less");
1206             keyname_len = 4;
1207         }
1208         keyname_buf[keyname_len] = 0;
1209
1210         keylist = g_malloc0(sizeof(*keylist));
1211         keylist->value = g_malloc0(sizeof(*keylist->value));
1212
1213         if (!head) {
1214             head = keylist;
1215         }
1216         if (tmp) {
1217             tmp->next = keylist;
1218         }
1219         tmp = keylist;
1220
1221         if (strstart(keyname_buf, "0x", NULL)) {
1222             char *endp;
1223             int value = strtoul(keyname_buf, &endp, 0);
1224             if (*endp != '\0') {
1225                 goto err_out;
1226             }
1227             keylist->value->kind = KEY_VALUE_KIND_NUMBER;
1228             keylist->value->number = value;
1229         } else {
1230             int idx = index_from_key(keyname_buf);
1231             if (idx == Q_KEY_CODE_MAX) {
1232                 goto err_out;
1233             }
1234             keylist->value->kind = KEY_VALUE_KIND_QCODE;
1235             keylist->value->qcode = idx;
1236         }
1237
1238         if (!separator) {
1239             break;
1240         }
1241         keys = separator + 1;
1242     }
1243
1244     qmp_send_key(head, has_hold_time, hold_time, &err);
1245     hmp_handle_error(mon, &err);
1246
1247 out:
1248     qapi_free_KeyValueList(head);
1249     return;
1250
1251 err_out:
1252     monitor_printf(mon, "invalid parameter: %s\n", keyname_buf);
1253     goto out;
1254 }
1255
1256 void hmp_screen_dump(Monitor *mon, const QDict *qdict)
1257 {
1258     const char *filename = qdict_get_str(qdict, "filename");
1259     Error *err = NULL;
1260
1261     qmp_screendump(filename, &err);
1262     hmp_handle_error(mon, &err);
1263 }
1264
1265 void hmp_nbd_server_start(Monitor *mon, const QDict *qdict)
1266 {
1267     const char *uri = qdict_get_str(qdict, "uri");
1268     int writable = qdict_get_try_bool(qdict, "writable", 0);
1269     int all = qdict_get_try_bool(qdict, "all", 0);
1270     Error *local_err = NULL;
1271     BlockInfoList *block_list, *info;
1272     SocketAddress *addr;
1273
1274     if (writable && !all) {
1275         error_setg(&local_err, "-w only valid together with -a");
1276         goto exit;
1277     }
1278
1279     /* First check if the address is valid and start the server.  */
1280     addr = socket_parse(uri, &local_err);
1281     if (local_err != NULL) {
1282         goto exit;
1283     }
1284
1285     qmp_nbd_server_start(addr, &local_err);
1286     qapi_free_SocketAddress(addr);
1287     if (local_err != NULL) {
1288         goto exit;
1289     }
1290
1291     if (!all) {
1292         return;
1293     }
1294
1295     /* Then try adding all block devices.  If one fails, close all and
1296      * exit.
1297      */
1298     block_list = qmp_query_block(NULL);
1299
1300     for (info = block_list; info; info = info->next) {
1301         if (!info->value->has_inserted) {
1302             continue;
1303         }
1304
1305         qmp_nbd_server_add(info->value->device, true, writable, &local_err);
1306
1307         if (local_err != NULL) {
1308             qmp_nbd_server_stop(NULL);
1309             break;
1310         }
1311     }
1312
1313     qapi_free_BlockInfoList(block_list);
1314
1315 exit:
1316     hmp_handle_error(mon, &local_err);
1317 }
1318
1319 void hmp_nbd_server_add(Monitor *mon, const QDict *qdict)
1320 {
1321     const char *device = qdict_get_str(qdict, "device");
1322     int writable = qdict_get_try_bool(qdict, "writable", 0);
1323     Error *local_err = NULL;
1324
1325     qmp_nbd_server_add(device, true, writable, &local_err);
1326
1327     if (local_err != NULL) {
1328         hmp_handle_error(mon, &local_err);
1329     }
1330 }
1331
1332 void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
1333 {
1334     Error *errp = NULL;
1335
1336     qmp_nbd_server_stop(&errp);
1337     hmp_handle_error(mon, &errp);
1338 }
1339
1340 void hmp_chardev_add(Monitor *mon, const QDict *qdict)
1341 {
1342     const char *args = qdict_get_str(qdict, "args");
1343     Error *err = NULL;
1344     QemuOpts *opts;
1345
1346     opts = qemu_opts_parse(qemu_find_opts("chardev"), args, 1);
1347     if (opts == NULL) {
1348         error_setg(&err, "Parsing chardev args failed\n");
1349     } else {
1350         qemu_chr_new_from_opts(opts, NULL, &err);
1351     }
1352     hmp_handle_error(mon, &err);
1353 }
1354
1355 void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
1356 {
1357     Error *local_err = NULL;
1358
1359     qmp_chardev_remove(qdict_get_str(qdict, "id"), &local_err);
1360     hmp_handle_error(mon, &local_err);
1361 }