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.h"
  18 #include "qemu-option.h"
  19 #include "qemu-timer.h"
  20 #include "qmp-commands.h"
  21 #include "monitor.h"
  22
  23 static void hmp_handle_error(Monitor *mon, Error **errp)
  24 {
  25     if (error_is_set(errp)) {
  26         monitor_printf(mon, "%s\n", error_get_pretty(*errp));
  27         error_free(*errp);
  28     }
  29 }
  30
  31 void hmp_info_name(Monitor *mon)
  32 {
  33     NameInfo *info;
  34
  35     info = qmp_query_name(NULL);
  36     if (info->has_name) {
  37         monitor_printf(mon, "%s\n", info->name);
  38     }
  39     qapi_free_NameInfo(info);
  40 }
  41
  42 void hmp_info_version(Monitor *mon)
  43 {
  44     VersionInfo *info;
  45
  46     info = qmp_query_version(NULL);
  47
  48     monitor_printf(mon, "%" PRId64 ".%" PRId64 ".%" PRId64 "%s\n",
  49                    info->qemu.major, info->qemu.minor, info->qemu.micro,
  50                    info->package);
  51
  52     qapi_free_VersionInfo(info);
  53 }
  54
  55 void hmp_info_kvm(Monitor *mon)
  56 {
  57     KvmInfo *info;
  58
  59     info = qmp_query_kvm(NULL);
  60     monitor_printf(mon, "kvm support: ");
  61     if (info->present) {
  62         monitor_printf(mon, "%s\n", info->enabled ? "enabled" : "disabled");
  63     } else {
  64         monitor_printf(mon, "not compiled\n");
  65     }
  66
  67     qapi_free_KvmInfo(info);
  68 }
  69
  70 void hmp_info_status(Monitor *mon)
  71 {
  72     StatusInfo *info;
  73
  74     info = qmp_query_status(NULL);
  75
  76     monitor_printf(mon, "VM status: %s%s",
  77                    info->running ? "running" : "paused",
  78                    info->singlestep ? " (single step mode)" : "");
  79
  80     if (!info->running && info->status != RUN_STATE_PAUSED) {
  81         monitor_printf(mon, " (%s)", RunState_lookup[info->status]);
  82     }
  83
  84     monitor_printf(mon, "\n");
  85
  86     qapi_free_StatusInfo(info);
  87 }
  88
  89 void hmp_info_uuid(Monitor *mon)
  90 {
  91     UuidInfo *info;
  92
  93     info = qmp_query_uuid(NULL);
  94     monitor_printf(mon, "%s\n", info->UUID);
  95     qapi_free_UuidInfo(info);
  96 }
  97
  98 void hmp_info_chardev(Monitor *mon)
  99 {
 100     ChardevInfoList *char_info, *info;
 101
 102     char_info = qmp_query_chardev(NULL);
 103     for (info = char_info; info; info = info->next) {
 104         monitor_printf(mon, "%s: filename=%s\n", info->value->label,
 105                                                  info->value->filename);
 106     }
 107
 108     qapi_free_ChardevInfoList(char_info);
 109 }
 110
 111 void hmp_info_mice(Monitor *mon)
 112 {
 113     MouseInfoList *mice_list, *mouse;
 114
 115     mice_list = qmp_query_mice(NULL);
 116     if (!mice_list) {
 117         monitor_printf(mon, "No mouse devices connected\n");
 118         return;
 119     }
 120
 121     for (mouse = mice_list; mouse; mouse = mouse->next) {
 122         monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
 123                        mouse->value->current ? '*' : ' ',
 124                        mouse->value->index, mouse->value->name,
 125                        mouse->value->absolute ? " (absolute)" : "");
 126     }
 127
 128     qapi_free_MouseInfoList(mice_list);
 129 }
 130
 131 void hmp_info_migrate(Monitor *mon)
 132 {
 133     MigrationInfo *info;
 134     MigrationCapabilityStatusList *caps, *cap;
 135
 136     info = qmp_query_migrate(NULL);
 137     caps = qmp_query_migrate_capabilities(NULL);
 138
 139     /* do not display parameters during setup */
 140     if (info->has_status && caps) {
 141         monitor_printf(mon, "capabilities: ");
 142         for (cap = caps; cap; cap = cap->next) {
 143             monitor_printf(mon, "%s: %s ",
 144                            MigrationCapability_lookup[cap->value->capability],
 145                            cap->value->state ? "on" : "off");
 146         }
 147         monitor_printf(mon, "\n");
 148     }
 149
 150     if (info->has_status) {
 151         monitor_printf(mon, "Migration status: %s\n", info->status);
 152     }
 153
 154     if (info->has_ram) {
 155         monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n",
 156                        info->ram->transferred >> 10);
 157         monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n",
 158                        info->ram->remaining >> 10);
 159         monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n",
 160                        info->ram->total >> 10);
 161         monitor_printf(mon, "total time: %" PRIu64 " milliseconds\n",
 162                        info->ram->total_time);
 163         monitor_printf(mon, "duplicate: %" PRIu64 " pages\n",
 164                        info->ram->duplicate);
 165         monitor_printf(mon, "normal: %" PRIu64 " pages\n",
 166                        info->ram->normal);
 167         monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n",
 168                        info->ram->normal_bytes >> 10);
 169     }
 170
 171     if (info->has_disk) {
 172         monitor_printf(mon, "transferred disk: %" PRIu64 " kbytes\n",
 173                        info->disk->transferred >> 10);
 174         monitor_printf(mon, "remaining disk: %" PRIu64 " kbytes\n",
 175                        info->disk->remaining >> 10);
 176         monitor_printf(mon, "total disk: %" PRIu64 " kbytes\n",
 177                        info->disk->total >> 10);
 178     }
 179
 180     qapi_free_MigrationInfo(info);
 181     qapi_free_MigrationCapabilityStatusList(caps);
 182 }
 183
 184 void hmp_info_migrate_capabilities(Monitor *mon)
 185 {
 186     MigrationCapabilityStatusList *caps, *cap;
 187
 188     caps = qmp_query_migrate_capabilities(NULL);
 189
 190     if (caps) {
 191         monitor_printf(mon, "capabilities: ");
 192         for (cap = caps; cap; cap = cap->next) {
 193             monitor_printf(mon, "%s: %s ",
 194                            MigrationCapability_lookup[cap->value->capability],
 195                            cap->value->state ? "on" : "off");
 196         }
 197         monitor_printf(mon, "\n");
 198     }
 199
 200     qapi_free_MigrationCapabilityStatusList(caps);
 201 }
 202
 203 void hmp_info_migrate_cache_size(Monitor *mon)
 204 {
 205     monitor_printf(mon, "xbzrel cache size: %" PRId64 " kbytes\n",
 206                    qmp_query_migrate_cache_size(NULL) >> 10);
 207 }
 208
 209 void hmp_info_cpus(Monitor *mon)
 210 {
 211     CpuInfoList *cpu_list, *cpu;
 212
 213     cpu_list = qmp_query_cpus(NULL);
 214
 215     for (cpu = cpu_list; cpu; cpu = cpu->next) {
 216         int active = ' ';
 217
 218         if (cpu->value->CPU == monitor_get_cpu_index()) {
 219             active = '*';
 220         }
 221
 222         monitor_printf(mon, "%c CPU #%" PRId64 ": ", active, cpu->value->CPU);
 223
 224         if (cpu->value->has_pc) {
 225             monitor_printf(mon, "pc=0x%016" PRIx64, cpu->value->pc);
 226         }
 227         if (cpu->value->has_nip) {
 228             monitor_printf(mon, "nip=0x%016" PRIx64, cpu->value->nip);
 229         }
 230         if (cpu->value->has_npc) {
 231             monitor_printf(mon, "pc=0x%016" PRIx64, cpu->value->pc);
 232             monitor_printf(mon, "npc=0x%016" PRIx64, cpu->value->npc);
 233         }
 234         if (cpu->value->has_PC) {
 235             monitor_printf(mon, "PC=0x%016" PRIx64, cpu->value->PC);
 236         }
 237
 238         if (cpu->value->halted) {
 239             monitor_printf(mon, " (halted)");
 240         }
 241
 242         monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
 243     }
 244
 245     qapi_free_CpuInfoList(cpu_list);
 246 }
 247
 248 void hmp_info_block(Monitor *mon)
 249 {
 250     BlockInfoList *block_list, *info;
 251
 252     block_list = qmp_query_block(NULL);
 253
 254     for (info = block_list; info; info = info->next) {
 255         monitor_printf(mon, "%s: removable=%d",
 256                        info->value->device, info->value->removable);
 257
 258         if (info->value->removable) {
 259             monitor_printf(mon, " locked=%d", info->value->locked);
 260             monitor_printf(mon, " tray-open=%d", info->value->tray_open);
 261         }
 262
 263         if (info->value->has_io_status) {
 264             monitor_printf(mon, " io-status=%s",
 265                            BlockDeviceIoStatus_lookup[info->value->io_status]);
 266         }
 267
 268         if (info->value->has_inserted) {
 269             monitor_printf(mon, " file=");
 270             monitor_print_filename(mon, info->value->inserted->file);
 271
 272             if (info->value->inserted->has_backing_file) {
 273                 monitor_printf(mon, " backing_file=");
 274                 monitor_print_filename(mon, info->value->inserted->backing_file);
 275                 monitor_printf(mon, " backing_file_depth=%" PRId64,
 276                     info->value->inserted->backing_file_depth);
 277             }
 278             monitor_printf(mon, " ro=%d drv=%s encrypted=%d",
 279                            info->value->inserted->ro,
 280                            info->value->inserted->drv,
 281                            info->value->inserted->encrypted);
 282
 283             monitor_printf(mon, " bps=%" PRId64 " bps_rd=%" PRId64
 284                             " bps_wr=%" PRId64 " iops=%" PRId64
 285                             " iops_rd=%" PRId64 " iops_wr=%" PRId64,
 286                             info->value->inserted->bps,
 287                             info->value->inserted->bps_rd,
 288                             info->value->inserted->bps_wr,
 289                             info->value->inserted->iops,
 290                             info->value->inserted->iops_rd,
 291                             info->value->inserted->iops_wr);
 292         } else {
 293             monitor_printf(mon, " [not inserted]");
 294         }
 295
 296         monitor_printf(mon, "\n");
 297     }
 298
 299     qapi_free_BlockInfoList(block_list);
 300 }
 301
 302 void hmp_info_blockstats(Monitor *mon)
 303 {
 304     BlockStatsList *stats_list, *stats;
 305
 306     stats_list = qmp_query_blockstats(NULL);
 307
 308     for (stats = stats_list; stats; stats = stats->next) {
 309         if (!stats->value->has_device) {
 310             continue;
 311         }
 312
 313         monitor_printf(mon, "%s:", stats->value->device);
 314         monitor_printf(mon, " rd_bytes=%" PRId64
 315                        " wr_bytes=%" PRId64
 316                        " rd_operations=%" PRId64
 317                        " wr_operations=%" PRId64
 318                        " flush_operations=%" PRId64
 319                        " wr_total_time_ns=%" PRId64
 320                        " rd_total_time_ns=%" PRId64
 321                        " flush_total_time_ns=%" PRId64
 322                        "\n",
 323                        stats->value->stats->rd_bytes,
 324                        stats->value->stats->wr_bytes,
 325                        stats->value->stats->rd_operations,
 326                        stats->value->stats->wr_operations,
 327                        stats->value->stats->flush_operations,
 328                        stats->value->stats->wr_total_time_ns,
 329                        stats->value->stats->rd_total_time_ns,
 330                        stats->value->stats->flush_total_time_ns);
 331     }
 332
 333     qapi_free_BlockStatsList(stats_list);
 334 }
 335
 336 void hmp_info_vnc(Monitor *mon)
 337 {
 338     VncInfo *info;
 339     Error *err = NULL;
 340     VncClientInfoList *client;
 341
 342     info = qmp_query_vnc(&err);
 343     if (err) {
 344         monitor_printf(mon, "%s\n", error_get_pretty(err));
 345         error_free(err);
 346         return;
 347     }
 348
 349     if (!info->enabled) {
 350         monitor_printf(mon, "Server: disabled\n");
 351         goto out;
 352     }
 353
 354     monitor_printf(mon, "Server:\n");
 355     if (info->has_host && info->has_service) {
 356         monitor_printf(mon, "     address: %s:%s\n", info->host, info->service);
 357     }
 358     if (info->has_auth) {
 359         monitor_printf(mon, "        auth: %s\n", info->auth);
 360     }
 361
 362     if (!info->has_clients || info->clients == NULL) {
 363         monitor_printf(mon, "Client: none\n");
 364     } else {
 365         for (client = info->clients; client; client = client->next) {
 366             monitor_printf(mon, "Client:\n");
 367             monitor_printf(mon, "     address: %s:%s\n",
 368                            client->value->host, client->value->service);
 369             monitor_printf(mon, "  x509_dname: %s\n",
 370                            client->value->x509_dname ?
 371                            client->value->x509_dname : "none");
 372             monitor_printf(mon, "    username: %s\n",
 373                            client->value->has_sasl_username ?
 374                            client->value->sasl_username : "none");
 375         }
 376     }
 377
 378 out:
 379     qapi_free_VncInfo(info);
 380 }
 381
 382 void hmp_info_spice(Monitor *mon)
 383 {
 384     SpiceChannelList *chan;
 385     SpiceInfo *info;
 386
 387     info = qmp_query_spice(NULL);
 388
 389     if (!info->enabled) {
 390         monitor_printf(mon, "Server: disabled\n");
 391         goto out;
 392     }
 393
 394     monitor_printf(mon, "Server:\n");
 395     if (info->has_port) {
 396         monitor_printf(mon, "     address: %s:%" PRId64 "\n",
 397                        info->host, info->port);
 398     }
 399     if (info->has_tls_port) {
 400         monitor_printf(mon, "     address: %s:%" PRId64 " [tls]\n",
 401                        info->host, info->tls_port);
 402     }
 403     monitor_printf(mon, "        auth: %s\n", info->auth);
 404     monitor_printf(mon, "    compiled: %s\n", info->compiled_version);
 405     monitor_printf(mon, "  mouse-mode: %s\n",
 406                    SpiceQueryMouseMode_lookup[info->mouse_mode]);
 407
 408     if (!info->has_channels || info->channels == NULL) {
 409         monitor_printf(mon, "Channels: none\n");
 410     } else {
 411         for (chan = info->channels; chan; chan = chan->next) {
 412             monitor_printf(mon, "Channel:\n");
 413             monitor_printf(mon, "     address: %s:%s%s\n",
 414                            chan->value->host, chan->value->port,
 415                            chan->value->tls ? " [tls]" : "");
 416             monitor_printf(mon, "     session: %" PRId64 "\n",
 417                            chan->value->connection_id);
 418             monitor_printf(mon, "     channel: %" PRId64 ":%" PRId64 "\n",
 419                            chan->value->channel_type, chan->value->channel_id);
 420         }
 421     }
 422
 423 out:
 424     qapi_free_SpiceInfo(info);
 425 }
 426
 427 void hmp_info_balloon(Monitor *mon)
 428 {
 429     BalloonInfo *info;
 430     Error *err = NULL;
 431
 432     info = qmp_query_balloon(&err);
 433     if (err) {
 434         monitor_printf(mon, "%s\n", error_get_pretty(err));
 435         error_free(err);
 436         return;
 437     }
 438
 439     monitor_printf(mon, "balloon: actual=%" PRId64, info->actual >> 20);
 440     if (info->has_mem_swapped_in) {
 441         monitor_printf(mon, " mem_swapped_in=%" PRId64, info->mem_swapped_in);
 442     }
 443     if (info->has_mem_swapped_out) {
 444         monitor_printf(mon, " mem_swapped_out=%" PRId64, info->mem_swapped_out);
 445     }
 446     if (info->has_major_page_faults) {
 447         monitor_printf(mon, " major_page_faults=%" PRId64,
 448                        info->major_page_faults);
 449     }
 450     if (info->has_minor_page_faults) {
 451         monitor_printf(mon, " minor_page_faults=%" PRId64,
 452                        info->minor_page_faults);
 453     }
 454     if (info->has_free_mem) {
 455         monitor_printf(mon, " free_mem=%" PRId64, info->free_mem);
 456     }
 457     if (info->has_total_mem) {
 458         monitor_printf(mon, " total_mem=%" PRId64, info->total_mem);
 459     }
 460
 461     monitor_printf(mon, "\n");
 462
 463     qapi_free_BalloonInfo(info);
 464 }
 465
 466 static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev)
 467 {
 468     PciMemoryRegionList *region;
 469
 470     monitor_printf(mon, "  Bus %2" PRId64 ", ", dev->bus);
 471     monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n",
 472                    dev->slot, dev->function);
 473     monitor_printf(mon, "    ");
 474
 475     if (dev->class_info.has_desc) {
 476         monitor_printf(mon, "%s", dev->class_info.desc);
 477     } else {
 478         monitor_printf(mon, "Class %04" PRId64, dev->class_info.class);
 479     }
 480
 481     monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
 482                    dev->id.vendor, dev->id.device);
 483
 484     if (dev->has_irq) {
 485         monitor_printf(mon, "      IRQ %" PRId64 ".\n", dev->irq);
 486     }
 487
 488     if (dev->has_pci_bridge) {
 489         monitor_printf(mon, "      BUS %" PRId64 ".\n",
 490                        dev->pci_bridge->bus.number);
 491         monitor_printf(mon, "      secondary bus %" PRId64 ".\n",
 492                        dev->pci_bridge->bus.secondary);
 493         monitor_printf(mon, "      subordinate bus %" PRId64 ".\n",
 494                        dev->pci_bridge->bus.subordinate);
 495
 496         monitor_printf(mon, "      IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n",
 497                        dev->pci_bridge->bus.io_range->base,
 498                        dev->pci_bridge->bus.io_range->limit);
 499
 500         monitor_printf(mon,
 501                        "      memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n",
 502                        dev->pci_bridge->bus.memory_range->base,
 503                        dev->pci_bridge->bus.memory_range->limit);
 504
 505         monitor_printf(mon, "      prefetchable memory range "
 506                        "[0x%08"PRIx64", 0x%08"PRIx64"]\n",
 507                        dev->pci_bridge->bus.prefetchable_range->base,
 508                        dev->pci_bridge->bus.prefetchable_range->limit);
 509     }
 510
 511     for (region = dev->regions; region; region = region->next) {
 512         uint64_t addr, size;
 513
 514         addr = region->value->address;
 515         size = region->value->size;
 516
 517         monitor_printf(mon, "      BAR%" PRId64 ": ", region->value->bar);
 518
 519         if (!strcmp(region->value->type, "io")) {
 520             monitor_printf(mon, "I/O at 0x%04" PRIx64
 521                                 " [0x%04" PRIx64 "].\n",
 522                            addr, addr + size - 1);
 523         } else {
 524             monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64
 525                                " [0x%08" PRIx64 "].\n",
 526                            region->value->mem_type_64 ? 64 : 32,
 527                            region->value->prefetch ? " prefetchable" : "",
 528                            addr, addr + size - 1);
 529         }
 530     }
 531
 532     monitor_printf(mon, "      id \"%s\"\n", dev->qdev_id);
 533
 534     if (dev->has_pci_bridge) {
 535         if (dev->pci_bridge->has_devices) {
 536             PciDeviceInfoList *cdev;
 537             for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) {
 538                 hmp_info_pci_device(mon, cdev->value);
 539             }
 540         }
 541     }
 542 }
 543
 544 void hmp_info_pci(Monitor *mon)
 545 {
 546     PciInfoList *info_list, *info;
 547     Error *err = NULL;
 548
 549     info_list = qmp_query_pci(&err);
 550     if (err) {
 551         monitor_printf(mon, "PCI devices not supported\n");
 552         error_free(err);
 553         return;
 554     }
 555
 556     for (info = info_list; info; info = info->next) {
 557         PciDeviceInfoList *dev;
 558
 559         for (dev = info->value->devices; dev; dev = dev->next) {
 560             hmp_info_pci_device(mon, dev->value);
 561         }
 562     }
 563
 564     qapi_free_PciInfoList(info_list);
 565 }
 566
 567 void hmp_info_block_jobs(Monitor *mon)
 568 {
 569     BlockJobInfoList *list;
 570     Error *err = NULL;
 571
 572     list = qmp_query_block_jobs(&err);
 573     assert(!err);
 574
 575     if (!list) {
 576         monitor_printf(mon, "No active jobs\n");
 577         return;
 578     }
 579
 580     while (list) {
 581         if (strcmp(list->value->type, "stream") == 0) {
 582             monitor_printf(mon, "Streaming device %s: Completed %" PRId64
 583                            " of %" PRId64 " bytes, speed limit %" PRId64
 584                            " bytes/s\n",
 585                            list->value->device,
 586                            list->value->offset,
 587                            list->value->len,
 588                            list->value->speed);
 589         } else {
 590             monitor_printf(mon, "Type %s, device %s: Completed %" PRId64
 591                            " of %" PRId64 " bytes, speed limit %" PRId64
 592                            " bytes/s\n",
 593                            list->value->type,
 594                            list->value->device,
 595                            list->value->offset,
 596                            list->value->len,
 597                            list->value->speed);
 598         }
 599         list = list->next;
 600     }
 601 }
 602
 603 void hmp_quit(Monitor *mon, const QDict *qdict)
 604 {
 605     monitor_suspend(mon);
 606     qmp_quit(NULL);
 607 }
 608
 609 void hmp_stop(Monitor *mon, const QDict *qdict)
 610 {
 611     qmp_stop(NULL);
 612 }
 613
 614 void hmp_system_reset(Monitor *mon, const QDict *qdict)
 615 {
 616     qmp_system_reset(NULL);
 617 }
 618
 619 void hmp_system_powerdown(Monitor *mon, const QDict *qdict)
 620 {
 621     qmp_system_powerdown(NULL);
 622 }
 623
 624 void hmp_cpu(Monitor *mon, const QDict *qdict)
 625 {
 626     int64_t cpu_index;
 627
 628     /* XXX: drop the monitor_set_cpu() usage when all HMP commands that
 629             use it are converted to the QAPI */
 630     cpu_index = qdict_get_int(qdict, "index");
 631     if (monitor_set_cpu(cpu_index) < 0) {
 632         monitor_printf(mon, "invalid CPU index\n");
 633     }
 634 }
 635
 636 void hmp_memsave(Monitor *mon, const QDict *qdict)
 637 {
 638     uint32_t size = qdict_get_int(qdict, "size");
 639     const char *filename = qdict_get_str(qdict, "filename");
 640     uint64_t addr = qdict_get_int(qdict, "val");
 641     Error *errp = NULL;
 642
 643     qmp_memsave(addr, size, filename, true, monitor_get_cpu_index(), &errp);
 644     hmp_handle_error(mon, &errp);
 645 }
 646
 647 void hmp_pmemsave(Monitor *mon, const QDict *qdict)
 648 {
 649     uint32_t size = qdict_get_int(qdict, "size");
 650     const char *filename = qdict_get_str(qdict, "filename");
 651     uint64_t addr = qdict_get_int(qdict, "val");
 652     Error *errp = NULL;
 653
 654     qmp_pmemsave(addr, size, filename, &errp);
 655     hmp_handle_error(mon, &errp);
 656 }
 657
 658 static void hmp_cont_cb(void *opaque, int err)
 659 {
 660     Monitor *mon = opaque;
 661
 662     if (!err) {
 663         hmp_cont(mon, NULL);
 664     }
 665 }
 666
 667 void hmp_cont(Monitor *mon, const QDict *qdict)
 668 {
 669     Error *errp = NULL;
 670
 671     qmp_cont(&errp);
 672     if (error_is_set(&errp)) {
 673         if (error_is_type(errp, QERR_DEVICE_ENCRYPTED)) {
 674             const char *device;
 675
 676             /* The device is encrypted. Ask the user for the password
 677                and retry */
 678
 679             device = error_get_field(errp, "device");
 680             assert(device != NULL);
 681
 682             monitor_read_block_device_key(mon, device, hmp_cont_cb, mon);
 683             error_free(errp);
 684             return;
 685         }
 686         hmp_handle_error(mon, &errp);
 687     }
 688 }
 689
 690 void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
 691 {
 692     qmp_system_wakeup(NULL);
 693 }
 694
 695 void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
 696 {
 697     Error *errp = NULL;
 698
 699     qmp_inject_nmi(&errp);
 700     hmp_handle_error(mon, &errp);
 701 }
 702
 703 void hmp_set_link(Monitor *mon, const QDict *qdict)
 704 {
 705     const char *name = qdict_get_str(qdict, "name");
 706     int up = qdict_get_bool(qdict, "up");
 707     Error *errp = NULL;
 708
 709     qmp_set_link(name, up, &errp);
 710     hmp_handle_error(mon, &errp);
 711 }
 712
 713 void hmp_block_passwd(Monitor *mon, const QDict *qdict)
 714 {
 715     const char *device = qdict_get_str(qdict, "device");
 716     const char *password = qdict_get_str(qdict, "password");
 717     Error *errp = NULL;
 718
 719     qmp_block_passwd(device, password, &errp);
 720     hmp_handle_error(mon, &errp);
 721 }
 722
 723 void hmp_balloon(Monitor *mon, const QDict *qdict)
 724 {
 725     int64_t value = qdict_get_int(qdict, "value");
 726     Error *errp = NULL;
 727
 728     qmp_balloon(value, &errp);
 729     if (error_is_set(&errp)) {
 730         monitor_printf(mon, "balloon: %s\n", error_get_pretty(errp));
 731         error_free(errp);
 732     }
 733 }
 734
 735 void hmp_block_resize(Monitor *mon, const QDict *qdict)
 736 {
 737     const char *device = qdict_get_str(qdict, "device");
 738     int64_t size = qdict_get_int(qdict, "size");
 739     Error *errp = NULL;
 740
 741     qmp_block_resize(device, size, &errp);
 742     hmp_handle_error(mon, &errp);
 743 }
 744
 745 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
 746 {
 747     const char *device = qdict_get_str(qdict, "device");
 748     const char *filename = qdict_get_try_str(qdict, "snapshot-file");
 749     const char *format = qdict_get_try_str(qdict, "format");
 750     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 751     enum NewImageMode mode;
 752     Error *errp = NULL;
 753
 754     if (!filename) {
 755         /* In the future, if 'snapshot-file' is not specified, the snapshot
 756            will be taken internally. Today it's actually required. */
 757         error_set(&errp, QERR_MISSING_PARAMETER, "snapshot-file");
 758         hmp_handle_error(mon, &errp);
 759         return;
 760     }
 761
 762     mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 763     qmp_blockdev_snapshot_sync(device, filename, !!format, format,
 764                                true, mode, &errp);
 765     hmp_handle_error(mon, &errp);
 766 }
 767
 768 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
 769 {
 770     qmp_migrate_cancel(NULL);
 771 }
 772
 773 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
 774 {
 775     double value = qdict_get_double(qdict, "value");
 776     qmp_migrate_set_downtime(value, NULL);
 777 }
 778
 779 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
 780 {
 781     int64_t value = qdict_get_int(qdict, "value");
 782     Error *err = NULL;
 783
 784     qmp_migrate_set_cache_size(value, &err);
 785     if (err) {
 786         monitor_printf(mon, "%s\n", error_get_pretty(err));
 787         error_free(err);
 788         return;
 789     }
 790 }
 791
 792 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
 793 {
 794     int64_t value = qdict_get_int(qdict, "value");
 795     qmp_migrate_set_speed(value, NULL);
 796 }
 797
 798 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
 799 {
 800     const char *cap = qdict_get_str(qdict, "capability");
 801     bool state = qdict_get_bool(qdict, "state");
 802     Error *err = NULL;
 803     MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
 804     int i;
 805
 806     for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
 807         if (strcmp(cap, MigrationCapability_lookup[i]) == 0) {
 808             caps->value = g_malloc0(sizeof(*caps->value));
 809             caps->value->capability = i;
 810             caps->value->state = state;
 811             caps->next = NULL;
 812             qmp_migrate_set_capabilities(caps, &err);
 813             break;
 814         }
 815     }
 816
 817     if (i == MIGRATION_CAPABILITY_MAX) {
 818         error_set(&err, QERR_INVALID_PARAMETER, cap);
 819     }
 820
 821     qapi_free_MigrationCapabilityStatusList(caps);
 822
 823     if (err) {
 824         monitor_printf(mon, "migrate_set_parameter: %s\n",
 825                        error_get_pretty(err));
 826         error_free(err);
 827     }
 828 }
 829
 830 void hmp_set_password(Monitor *mon, const QDict *qdict)
 831 {
 832     const char *protocol  = qdict_get_str(qdict, "protocol");
 833     const char *password  = qdict_get_str(qdict, "password");
 834     const char *connected = qdict_get_try_str(qdict, "connected");
 835     Error *err = NULL;
 836
 837     qmp_set_password(protocol, password, !!connected, connected, &err);
 838     hmp_handle_error(mon, &err);
 839 }
 840
 841 void hmp_expire_password(Monitor *mon, const QDict *qdict)
 842 {
 843     const char *protocol  = qdict_get_str(qdict, "protocol");
 844     const char *whenstr = qdict_get_str(qdict, "time");
 845     Error *err = NULL;
 846
 847     qmp_expire_password(protocol, whenstr, &err);
 848     hmp_handle_error(mon, &err);
 849 }
 850
 851 void hmp_eject(Monitor *mon, const QDict *qdict)
 852 {
 853     int force = qdict_get_try_bool(qdict, "force", 0);
 854     const char *device = qdict_get_str(qdict, "device");
 855     Error *err = NULL;
 856
 857     qmp_eject(device, true, force, &err);
 858     hmp_handle_error(mon, &err);
 859 }
 860
 861 static void hmp_change_read_arg(Monitor *mon, const char *password,
 862                                 void *opaque)
 863 {
 864     qmp_change_vnc_password(password, NULL);
 865     monitor_read_command(mon, 1);
 866 }
 867
 868 static void cb_hmp_change_bdrv_pwd(Monitor *mon, const char *password,
 869                                    void *opaque)
 870 {
 871     Error *encryption_err = opaque;
 872     Error *err = NULL;
 873     const char *device;
 874
 875     device = error_get_field(encryption_err, "device");
 876
 877     qmp_block_passwd(device, password, &err);
 878     hmp_handle_error(mon, &err);
 879     error_free(encryption_err);
 880
 881     monitor_read_command(mon, 1);
 882 }
 883
 884 void hmp_change(Monitor *mon, const QDict *qdict)
 885 {
 886     const char *device = qdict_get_str(qdict, "device");
 887     const char *target = qdict_get_str(qdict, "target");
 888     const char *arg = qdict_get_try_str(qdict, "arg");
 889     Error *err = NULL;
 890
 891     if (strcmp(device, "vnc") == 0 &&
 892             (strcmp(target, "passwd") == 0 ||
 893              strcmp(target, "password") == 0)) {
 894         if (!arg) {
 895             monitor_read_password(mon, hmp_change_read_arg, NULL);
 896             return;
 897         }
 898     }
 899
 900     qmp_change(device, target, !!arg, arg, &err);
 901     if (error_is_type(err, QERR_DEVICE_ENCRYPTED)) {
 902         monitor_printf(mon, "%s (%s) is encrypted.\n",
 903                        error_get_field(err, "device"),
 904                        error_get_field(err, "filename"));
 905         if (!monitor_get_rs(mon)) {
 906             monitor_printf(mon,
 907                     "terminal does not support password prompting\n");
 908             error_free(err);
 909             return;
 910         }
 911         readline_start(monitor_get_rs(mon), "Password: ", 1,
 912                        cb_hmp_change_bdrv_pwd, err);
 913         return;
 914     }
 915     hmp_handle_error(mon, &err);
 916 }
 917
 918 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
 919 {
 920     Error *err = NULL;
 921
 922     qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
 923                               qdict_get_int(qdict, "bps"),
 924                               qdict_get_int(qdict, "bps_rd"),
 925                               qdict_get_int(qdict, "bps_wr"),
 926                               qdict_get_int(qdict, "iops"),
 927                               qdict_get_int(qdict, "iops_rd"),
 928                               qdict_get_int(qdict, "iops_wr"), &err);
 929     hmp_handle_error(mon, &err);
 930 }
 931
 932 void hmp_block_stream(Monitor *mon, const QDict *qdict)
 933 {
 934     Error *error = NULL;
 935     const char *device = qdict_get_str(qdict, "device");
 936     const char *base = qdict_get_try_str(qdict, "base");
 937     int64_t speed = qdict_get_try_int(qdict, "speed", 0);
 938
 939     qmp_block_stream(device, base != NULL, base,
 940                      qdict_haskey(qdict, "speed"), speed, &error);
 941
 942     hmp_handle_error(mon, &error);
 943 }
 944
 945 void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
 946 {
 947     Error *error = NULL;
 948     const char *device = qdict_get_str(qdict, "device");
 949     int64_t value = qdict_get_int(qdict, "speed");
 950
 951     qmp_block_job_set_speed(device, value, &error);
 952
 953     hmp_handle_error(mon, &error);
 954 }
 955
 956 void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
 957 {
 958     Error *error = NULL;
 959     const char *device = qdict_get_str(qdict, "device");
 960
 961     qmp_block_job_cancel(device, &error);
 962
 963     hmp_handle_error(mon, &error);
 964 }
 965
 966 typedef struct MigrationStatus
 967 {
 968     QEMUTimer *timer;
 969     Monitor *mon;
 970     bool is_block_migration;
 971 } MigrationStatus;
 972
 973 static void hmp_migrate_status_cb(void *opaque)
 974 {
 975     MigrationStatus *status = opaque;
 976     MigrationInfo *info;
 977
 978     info = qmp_query_migrate(NULL);
 979     if (!info->has_status || strcmp(info->status, "active") == 0) {
 980         if (info->has_disk) {
 981             int progress;
 982
 983             if (info->disk->remaining) {
 984                 progress = info->disk->transferred * 100 / info->disk->total;
 985             } else {
 986                 progress = 100;
 987             }
 988
 989             monitor_printf(status->mon, "Completed %d %%\r", progress);
 990             monitor_flush(status->mon);
 991         }
 992
 993         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock) + 1000);
 994     } else {
 995         if (status->is_block_migration) {
 996             monitor_printf(status->mon, "\n");
 997         }
 998         monitor_resume(status->mon);
 999         qemu_del_timer(status->timer);
1000         g_free(status);
1001     }
1002
1003     qapi_free_MigrationInfo(info);
1004 }
1005
1006 void hmp_migrate(Monitor *mon, const QDict *qdict)
1007 {
1008     int detach = qdict_get_try_bool(qdict, "detach", 0);
1009     int blk = qdict_get_try_bool(qdict, "blk", 0);
1010     int inc = qdict_get_try_bool(qdict, "inc", 0);
1011     const char *uri = qdict_get_str(qdict, "uri");
1012     Error *err = NULL;
1013
1014     qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
1015     if (err) {
1016         monitor_printf(mon, "migrate: %s\n", error_get_pretty(err));
1017         error_free(err);
1018         return;
1019     }
1020
1021     if (!detach) {
1022         MigrationStatus *status;
1023
1024         if (monitor_suspend(mon) < 0) {
1025             monitor_printf(mon, "terminal does not allow synchronous "
1026                            "migration, continuing detached\n");
1027             return;
1028         }
1029
1030         status = g_malloc0(sizeof(*status));
1031         status->mon = mon;
1032         status->is_block_migration = blk || inc;
1033         status->timer = qemu_new_timer_ms(rt_clock, hmp_migrate_status_cb,
1034                                           status);
1035         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock));
1036     }
1037 }
1038
1039 void hmp_device_del(Monitor *mon, const QDict *qdict)
1040 {
1041     const char *id = qdict_get_str(qdict, "id");
1042     Error *err = NULL;
1043
1044     qmp_device_del(id, &err);
1045     hmp_handle_error(mon, &err);
1046 }
1047
1048 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
1049 {
1050     Error *errp = NULL;
1051     int paging = qdict_get_try_bool(qdict, "paging", 0);
1052     const char *file = qdict_get_str(qdict, "protocol");
1053     bool has_begin = qdict_haskey(qdict, "begin");
1054     bool has_length = qdict_haskey(qdict, "length");
1055     int64_t begin = 0;
1056     int64_t length = 0;
1057
1058     if (has_begin) {
1059         begin = qdict_get_int(qdict, "begin");
1060     }
1061     if (has_length) {
1062         length = qdict_get_int(qdict, "length");
1063     }
1064
1065     qmp_dump_guest_memory(paging, file, has_begin, begin, has_length, length,
1066                           &errp);
1067     hmp_handle_error(mon, &errp);
1068 }
1069
1070 void hmp_netdev_add(Monitor *mon, const QDict *qdict)
1071 {
1072     Error *err = NULL;
1073     QemuOpts *opts;
1074
1075     opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
1076     if (error_is_set(&err)) {
1077         goto out;
1078     }
1079
1080     netdev_add(opts, &err);
1081     if (error_is_set(&err)) {
1082         qemu_opts_del(opts);
1083     }
1084
1085 out:
1086     hmp_handle_error(mon, &err);
1087 }
1088
1089 void hmp_netdev_del(Monitor *mon, const QDict *qdict)
1090 {
1091     const char *id = qdict_get_str(qdict, "id");
1092     Error *err = NULL;
1093
1094     qmp_netdev_del(id, &err);
1095     hmp_handle_error(mon, &err);
1096 }
1097
1098 void hmp_getfd(Monitor *mon, const QDict *qdict)
1099 {
1100     const char *fdname = qdict_get_str(qdict, "fdname");
1101     Error *errp = NULL;
1102
1103     qmp_getfd(fdname, &errp);
1104     hmp_handle_error(mon, &errp);
1105 }
1106
1107 void hmp_closefd(Monitor *mon, const QDict *qdict)
1108 {
1109     const char *fdname = qdict_get_str(qdict, "fdname");
1110     Error *errp = NULL;
1111
1112     qmp_closefd(fdname, &errp);
1113     hmp_handle_error(mon, &errp);
1114 }