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