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