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     if (info->has_xbzrle_cache) {
 181         monitor_printf(mon, "cache size: %" PRIu64 " bytes\n",
 182                        info->xbzrle_cache->cache_size);
 183         monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n",
 184                        info->xbzrle_cache->bytes >> 10);
 185         monitor_printf(mon, "xbzrle pages: %" PRIu64 " pages\n",
 186                        info->xbzrle_cache->pages);
 187         monitor_printf(mon, "xbzrle cache miss: %" PRIu64 "\n",
 188                        info->xbzrle_cache->cache_miss);
 189         monitor_printf(mon, "xbzrle overflow : %" PRIu64 "\n",
 190                        info->xbzrle_cache->overflow);
 191     }
 192
 193     qapi_free_MigrationInfo(info);
 194     qapi_free_MigrationCapabilityStatusList(caps);
 195 }
 196
 197 void hmp_info_migrate_capabilities(Monitor *mon)
 198 {
 199     MigrationCapabilityStatusList *caps, *cap;
 200
 201     caps = qmp_query_migrate_capabilities(NULL);
 202
 203     if (caps) {
 204         monitor_printf(mon, "capabilities: ");
 205         for (cap = caps; cap; cap = cap->next) {
 206             monitor_printf(mon, "%s: %s ",
 207                            MigrationCapability_lookup[cap->value->capability],
 208                            cap->value->state ? "on" : "off");
 209         }
 210         monitor_printf(mon, "\n");
 211     }
 212
 213     qapi_free_MigrationCapabilityStatusList(caps);
 214 }
 215
 216 void hmp_info_migrate_cache_size(Monitor *mon)
 217 {
 218     monitor_printf(mon, "xbzrel cache size: %" PRId64 " kbytes\n",
 219                    qmp_query_migrate_cache_size(NULL) >> 10);
 220 }
 221
 222 void hmp_info_cpus(Monitor *mon)
 223 {
 224     CpuInfoList *cpu_list, *cpu;
 225
 226     cpu_list = qmp_query_cpus(NULL);
 227
 228     for (cpu = cpu_list; cpu; cpu = cpu->next) {
 229         int active = ' ';
 230
 231         if (cpu->value->CPU == monitor_get_cpu_index()) {
 232             active = '*';
 233         }
 234
 235         monitor_printf(mon, "%c CPU #%" PRId64 ": ", active, cpu->value->CPU);
 236
 237         if (cpu->value->has_pc) {
 238             monitor_printf(mon, "pc=0x%016" PRIx64, cpu->value->pc);
 239         }
 240         if (cpu->value->has_nip) {
 241             monitor_printf(mon, "nip=0x%016" PRIx64, cpu->value->nip);
 242         }
 243         if (cpu->value->has_npc) {
 244             monitor_printf(mon, "pc=0x%016" PRIx64, cpu->value->pc);
 245             monitor_printf(mon, "npc=0x%016" PRIx64, cpu->value->npc);
 246         }
 247         if (cpu->value->has_PC) {
 248             monitor_printf(mon, "PC=0x%016" PRIx64, cpu->value->PC);
 249         }
 250
 251         if (cpu->value->halted) {
 252             monitor_printf(mon, " (halted)");
 253         }
 254
 255         monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
 256     }
 257
 258     qapi_free_CpuInfoList(cpu_list);
 259 }
 260
 261 void hmp_info_block(Monitor *mon)
 262 {
 263     BlockInfoList *block_list, *info;
 264
 265     block_list = qmp_query_block(NULL);
 266
 267     for (info = block_list; info; info = info->next) {
 268         monitor_printf(mon, "%s: removable=%d",
 269                        info->value->device, info->value->removable);
 270
 271         if (info->value->removable) {
 272             monitor_printf(mon, " locked=%d", info->value->locked);
 273             monitor_printf(mon, " tray-open=%d", info->value->tray_open);
 274         }
 275
 276         if (info->value->has_io_status) {
 277             monitor_printf(mon, " io-status=%s",
 278                            BlockDeviceIoStatus_lookup[info->value->io_status]);
 279         }
 280
 281         if (info->value->has_inserted) {
 282             monitor_printf(mon, " file=");
 283             monitor_print_filename(mon, info->value->inserted->file);
 284
 285             if (info->value->inserted->has_backing_file) {
 286                 monitor_printf(mon, " backing_file=");
 287                 monitor_print_filename(mon, info->value->inserted->backing_file);
 288                 monitor_printf(mon, " backing_file_depth=%" PRId64,
 289                     info->value->inserted->backing_file_depth);
 290             }
 291             monitor_printf(mon, " ro=%d drv=%s encrypted=%d",
 292                            info->value->inserted->ro,
 293                            info->value->inserted->drv,
 294                            info->value->inserted->encrypted);
 295
 296             monitor_printf(mon, " bps=%" PRId64 " bps_rd=%" PRId64
 297                             " bps_wr=%" PRId64 " iops=%" PRId64
 298                             " iops_rd=%" PRId64 " iops_wr=%" PRId64,
 299                             info->value->inserted->bps,
 300                             info->value->inserted->bps_rd,
 301                             info->value->inserted->bps_wr,
 302                             info->value->inserted->iops,
 303                             info->value->inserted->iops_rd,
 304                             info->value->inserted->iops_wr);
 305         } else {
 306             monitor_printf(mon, " [not inserted]");
 307         }
 308
 309         monitor_printf(mon, "\n");
 310     }
 311
 312     qapi_free_BlockInfoList(block_list);
 313 }
 314
 315 void hmp_info_blockstats(Monitor *mon)
 316 {
 317     BlockStatsList *stats_list, *stats;
 318
 319     stats_list = qmp_query_blockstats(NULL);
 320
 321     for (stats = stats_list; stats; stats = stats->next) {
 322         if (!stats->value->has_device) {
 323             continue;
 324         }
 325
 326         monitor_printf(mon, "%s:", stats->value->device);
 327         monitor_printf(mon, " rd_bytes=%" PRId64
 328                        " wr_bytes=%" PRId64
 329                        " rd_operations=%" PRId64
 330                        " wr_operations=%" PRId64
 331                        " flush_operations=%" PRId64
 332                        " wr_total_time_ns=%" PRId64
 333                        " rd_total_time_ns=%" PRId64
 334                        " flush_total_time_ns=%" PRId64
 335                        "\n",
 336                        stats->value->stats->rd_bytes,
 337                        stats->value->stats->wr_bytes,
 338                        stats->value->stats->rd_operations,
 339                        stats->value->stats->wr_operations,
 340                        stats->value->stats->flush_operations,
 341                        stats->value->stats->wr_total_time_ns,
 342                        stats->value->stats->rd_total_time_ns,
 343                        stats->value->stats->flush_total_time_ns);
 344     }
 345
 346     qapi_free_BlockStatsList(stats_list);
 347 }
 348
 349 void hmp_info_vnc(Monitor *mon)
 350 {
 351     VncInfo *info;
 352     Error *err = NULL;
 353     VncClientInfoList *client;
 354
 355     info = qmp_query_vnc(&err);
 356     if (err) {
 357         monitor_printf(mon, "%s\n", error_get_pretty(err));
 358         error_free(err);
 359         return;
 360     }
 361
 362     if (!info->enabled) {
 363         monitor_printf(mon, "Server: disabled\n");
 364         goto out;
 365     }
 366
 367     monitor_printf(mon, "Server:\n");
 368     if (info->has_host && info->has_service) {
 369         monitor_printf(mon, "     address: %s:%s\n", info->host, info->service);
 370     }
 371     if (info->has_auth) {
 372         monitor_printf(mon, "        auth: %s\n", info->auth);
 373     }
 374
 375     if (!info->has_clients || info->clients == NULL) {
 376         monitor_printf(mon, "Client: none\n");
 377     } else {
 378         for (client = info->clients; client; client = client->next) {
 379             monitor_printf(mon, "Client:\n");
 380             monitor_printf(mon, "     address: %s:%s\n",
 381                            client->value->host, client->value->service);
 382             monitor_printf(mon, "  x509_dname: %s\n",
 383                            client->value->x509_dname ?
 384                            client->value->x509_dname : "none");
 385             monitor_printf(mon, "    username: %s\n",
 386                            client->value->has_sasl_username ?
 387                            client->value->sasl_username : "none");
 388         }
 389     }
 390
 391 out:
 392     qapi_free_VncInfo(info);
 393 }
 394
 395 void hmp_info_spice(Monitor *mon)
 396 {
 397     SpiceChannelList *chan;
 398     SpiceInfo *info;
 399
 400     info = qmp_query_spice(NULL);
 401
 402     if (!info->enabled) {
 403         monitor_printf(mon, "Server: disabled\n");
 404         goto out;
 405     }
 406
 407     monitor_printf(mon, "Server:\n");
 408     if (info->has_port) {
 409         monitor_printf(mon, "     address: %s:%" PRId64 "\n",
 410                        info->host, info->port);
 411     }
 412     if (info->has_tls_port) {
 413         monitor_printf(mon, "     address: %s:%" PRId64 " [tls]\n",
 414                        info->host, info->tls_port);
 415     }
 416     monitor_printf(mon, "        auth: %s\n", info->auth);
 417     monitor_printf(mon, "    compiled: %s\n", info->compiled_version);
 418     monitor_printf(mon, "  mouse-mode: %s\n",
 419                    SpiceQueryMouseMode_lookup[info->mouse_mode]);
 420
 421     if (!info->has_channels || info->channels == NULL) {
 422         monitor_printf(mon, "Channels: none\n");
 423     } else {
 424         for (chan = info->channels; chan; chan = chan->next) {
 425             monitor_printf(mon, "Channel:\n");
 426             monitor_printf(mon, "     address: %s:%s%s\n",
 427                            chan->value->host, chan->value->port,
 428                            chan->value->tls ? " [tls]" : "");
 429             monitor_printf(mon, "     session: %" PRId64 "\n",
 430                            chan->value->connection_id);
 431             monitor_printf(mon, "     channel: %" PRId64 ":%" PRId64 "\n",
 432                            chan->value->channel_type, chan->value->channel_id);
 433         }
 434     }
 435
 436 out:
 437     qapi_free_SpiceInfo(info);
 438 }
 439
 440 void hmp_info_balloon(Monitor *mon)
 441 {
 442     BalloonInfo *info;
 443     Error *err = NULL;
 444
 445     info = qmp_query_balloon(&err);
 446     if (err) {
 447         monitor_printf(mon, "%s\n", error_get_pretty(err));
 448         error_free(err);
 449         return;
 450     }
 451
 452     monitor_printf(mon, "balloon: actual=%" PRId64, info->actual >> 20);
 453     if (info->has_mem_swapped_in) {
 454         monitor_printf(mon, " mem_swapped_in=%" PRId64, info->mem_swapped_in);
 455     }
 456     if (info->has_mem_swapped_out) {
 457         monitor_printf(mon, " mem_swapped_out=%" PRId64, info->mem_swapped_out);
 458     }
 459     if (info->has_major_page_faults) {
 460         monitor_printf(mon, " major_page_faults=%" PRId64,
 461                        info->major_page_faults);
 462     }
 463     if (info->has_minor_page_faults) {
 464         monitor_printf(mon, " minor_page_faults=%" PRId64,
 465                        info->minor_page_faults);
 466     }
 467     if (info->has_free_mem) {
 468         monitor_printf(mon, " free_mem=%" PRId64, info->free_mem);
 469     }
 470     if (info->has_total_mem) {
 471         monitor_printf(mon, " total_mem=%" PRId64, info->total_mem);
 472     }
 473
 474     monitor_printf(mon, "\n");
 475
 476     qapi_free_BalloonInfo(info);
 477 }
 478
 479 static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev)
 480 {
 481     PciMemoryRegionList *region;
 482
 483     monitor_printf(mon, "  Bus %2" PRId64 ", ", dev->bus);
 484     monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n",
 485                    dev->slot, dev->function);
 486     monitor_printf(mon, "    ");
 487
 488     if (dev->class_info.has_desc) {
 489         monitor_printf(mon, "%s", dev->class_info.desc);
 490     } else {
 491         monitor_printf(mon, "Class %04" PRId64, dev->class_info.class);
 492     }
 493
 494     monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
 495                    dev->id.vendor, dev->id.device);
 496
 497     if (dev->has_irq) {
 498         monitor_printf(mon, "      IRQ %" PRId64 ".\n", dev->irq);
 499     }
 500
 501     if (dev->has_pci_bridge) {
 502         monitor_printf(mon, "      BUS %" PRId64 ".\n",
 503                        dev->pci_bridge->bus.number);
 504         monitor_printf(mon, "      secondary bus %" PRId64 ".\n",
 505                        dev->pci_bridge->bus.secondary);
 506         monitor_printf(mon, "      subordinate bus %" PRId64 ".\n",
 507                        dev->pci_bridge->bus.subordinate);
 508
 509         monitor_printf(mon, "      IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n",
 510                        dev->pci_bridge->bus.io_range->base,
 511                        dev->pci_bridge->bus.io_range->limit);
 512
 513         monitor_printf(mon,
 514                        "      memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n",
 515                        dev->pci_bridge->bus.memory_range->base,
 516                        dev->pci_bridge->bus.memory_range->limit);
 517
 518         monitor_printf(mon, "      prefetchable memory range "
 519                        "[0x%08"PRIx64", 0x%08"PRIx64"]\n",
 520                        dev->pci_bridge->bus.prefetchable_range->base,
 521                        dev->pci_bridge->bus.prefetchable_range->limit);
 522     }
 523
 524     for (region = dev->regions; region; region = region->next) {
 525         uint64_t addr, size;
 526
 527         addr = region->value->address;
 528         size = region->value->size;
 529
 530         monitor_printf(mon, "      BAR%" PRId64 ": ", region->value->bar);
 531
 532         if (!strcmp(region->value->type, "io")) {
 533             monitor_printf(mon, "I/O at 0x%04" PRIx64
 534                                 " [0x%04" PRIx64 "].\n",
 535                            addr, addr + size - 1);
 536         } else {
 537             monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64
 538                                " [0x%08" PRIx64 "].\n",
 539                            region->value->mem_type_64 ? 64 : 32,
 540                            region->value->prefetch ? " prefetchable" : "",
 541                            addr, addr + size - 1);
 542         }
 543     }
 544
 545     monitor_printf(mon, "      id \"%s\"\n", dev->qdev_id);
 546
 547     if (dev->has_pci_bridge) {
 548         if (dev->pci_bridge->has_devices) {
 549             PciDeviceInfoList *cdev;
 550             for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) {
 551                 hmp_info_pci_device(mon, cdev->value);
 552             }
 553         }
 554     }
 555 }
 556
 557 void hmp_info_pci(Monitor *mon)
 558 {
 559     PciInfoList *info_list, *info;
 560     Error *err = NULL;
 561
 562     info_list = qmp_query_pci(&err);
 563     if (err) {
 564         monitor_printf(mon, "PCI devices not supported\n");
 565         error_free(err);
 566         return;
 567     }
 568
 569     for (info = info_list; info; info = info->next) {
 570         PciDeviceInfoList *dev;
 571
 572         for (dev = info->value->devices; dev; dev = dev->next) {
 573             hmp_info_pci_device(mon, dev->value);
 574         }
 575     }
 576
 577     qapi_free_PciInfoList(info_list);
 578 }
 579
 580 void hmp_info_block_jobs(Monitor *mon)
 581 {
 582     BlockJobInfoList *list;
 583     Error *err = NULL;
 584
 585     list = qmp_query_block_jobs(&err);
 586     assert(!err);
 587
 588     if (!list) {
 589         monitor_printf(mon, "No active jobs\n");
 590         return;
 591     }
 592
 593     while (list) {
 594         if (strcmp(list->value->type, "stream") == 0) {
 595             monitor_printf(mon, "Streaming device %s: Completed %" PRId64
 596                            " of %" PRId64 " bytes, speed limit %" PRId64
 597                            " bytes/s\n",
 598                            list->value->device,
 599                            list->value->offset,
 600                            list->value->len,
 601                            list->value->speed);
 602         } else {
 603             monitor_printf(mon, "Type %s, device %s: Completed %" PRId64
 604                            " of %" PRId64 " bytes, speed limit %" PRId64
 605                            " bytes/s\n",
 606                            list->value->type,
 607                            list->value->device,
 608                            list->value->offset,
 609                            list->value->len,
 610                            list->value->speed);
 611         }
 612         list = list->next;
 613     }
 614 }
 615
 616 void hmp_quit(Monitor *mon, const QDict *qdict)
 617 {
 618     monitor_suspend(mon);
 619     qmp_quit(NULL);
 620 }
 621
 622 void hmp_stop(Monitor *mon, const QDict *qdict)
 623 {
 624     qmp_stop(NULL);
 625 }
 626
 627 void hmp_system_reset(Monitor *mon, const QDict *qdict)
 628 {
 629     qmp_system_reset(NULL);
 630 }
 631
 632 void hmp_system_powerdown(Monitor *mon, const QDict *qdict)
 633 {
 634     qmp_system_powerdown(NULL);
 635 }
 636
 637 void hmp_cpu(Monitor *mon, const QDict *qdict)
 638 {
 639     int64_t cpu_index;
 640
 641     /* XXX: drop the monitor_set_cpu() usage when all HMP commands that
 642             use it are converted to the QAPI */
 643     cpu_index = qdict_get_int(qdict, "index");
 644     if (monitor_set_cpu(cpu_index) < 0) {
 645         monitor_printf(mon, "invalid CPU index\n");
 646     }
 647 }
 648
 649 void hmp_memsave(Monitor *mon, const QDict *qdict)
 650 {
 651     uint32_t size = qdict_get_int(qdict, "size");
 652     const char *filename = qdict_get_str(qdict, "filename");
 653     uint64_t addr = qdict_get_int(qdict, "val");
 654     Error *errp = NULL;
 655
 656     qmp_memsave(addr, size, filename, true, monitor_get_cpu_index(), &errp);
 657     hmp_handle_error(mon, &errp);
 658 }
 659
 660 void hmp_pmemsave(Monitor *mon, const QDict *qdict)
 661 {
 662     uint32_t size = qdict_get_int(qdict, "size");
 663     const char *filename = qdict_get_str(qdict, "filename");
 664     uint64_t addr = qdict_get_int(qdict, "val");
 665     Error *errp = NULL;
 666
 667     qmp_pmemsave(addr, size, filename, &errp);
 668     hmp_handle_error(mon, &errp);
 669 }
 670
 671 static void hmp_cont_cb(void *opaque, int err)
 672 {
 673     Monitor *mon = opaque;
 674
 675     if (!err) {
 676         hmp_cont(mon, NULL);
 677     }
 678 }
 679
 680 void hmp_cont(Monitor *mon, const QDict *qdict)
 681 {
 682     Error *errp = NULL;
 683
 684     qmp_cont(&errp);
 685     if (error_is_set(&errp)) {
 686         if (error_is_type(errp, QERR_DEVICE_ENCRYPTED)) {
 687             const char *device;
 688
 689             /* The device is encrypted. Ask the user for the password
 690                and retry */
 691
 692             device = error_get_field(errp, "device");
 693             assert(device != NULL);
 694
 695             monitor_read_block_device_key(mon, device, hmp_cont_cb, mon);
 696             error_free(errp);
 697             return;
 698         }
 699         hmp_handle_error(mon, &errp);
 700     }
 701 }
 702
 703 void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
 704 {
 705     qmp_system_wakeup(NULL);
 706 }
 707
 708 void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
 709 {
 710     Error *errp = NULL;
 711
 712     qmp_inject_nmi(&errp);
 713     hmp_handle_error(mon, &errp);
 714 }
 715
 716 void hmp_set_link(Monitor *mon, const QDict *qdict)
 717 {
 718     const char *name = qdict_get_str(qdict, "name");
 719     int up = qdict_get_bool(qdict, "up");
 720     Error *errp = NULL;
 721
 722     qmp_set_link(name, up, &errp);
 723     hmp_handle_error(mon, &errp);
 724 }
 725
 726 void hmp_block_passwd(Monitor *mon, const QDict *qdict)
 727 {
 728     const char *device = qdict_get_str(qdict, "device");
 729     const char *password = qdict_get_str(qdict, "password");
 730     Error *errp = NULL;
 731
 732     qmp_block_passwd(device, password, &errp);
 733     hmp_handle_error(mon, &errp);
 734 }
 735
 736 void hmp_balloon(Monitor *mon, const QDict *qdict)
 737 {
 738     int64_t value = qdict_get_int(qdict, "value");
 739     Error *errp = NULL;
 740
 741     qmp_balloon(value, &errp);
 742     if (error_is_set(&errp)) {
 743         monitor_printf(mon, "balloon: %s\n", error_get_pretty(errp));
 744         error_free(errp);
 745     }
 746 }
 747
 748 void hmp_block_resize(Monitor *mon, const QDict *qdict)
 749 {
 750     const char *device = qdict_get_str(qdict, "device");
 751     int64_t size = qdict_get_int(qdict, "size");
 752     Error *errp = NULL;
 753
 754     qmp_block_resize(device, size, &errp);
 755     hmp_handle_error(mon, &errp);
 756 }
 757
 758 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
 759 {
 760     const char *device = qdict_get_str(qdict, "device");
 761     const char *filename = qdict_get_try_str(qdict, "snapshot-file");
 762     const char *format = qdict_get_try_str(qdict, "format");
 763     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 764     enum NewImageMode mode;
 765     Error *errp = NULL;
 766
 767     if (!filename) {
 768         /* In the future, if 'snapshot-file' is not specified, the snapshot
 769            will be taken internally. Today it's actually required. */
 770         error_set(&errp, QERR_MISSING_PARAMETER, "snapshot-file");
 771         hmp_handle_error(mon, &errp);
 772         return;
 773     }
 774
 775     mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 776     qmp_blockdev_snapshot_sync(device, filename, !!format, format,
 777                                true, mode, &errp);
 778     hmp_handle_error(mon, &errp);
 779 }
 780
 781 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
 782 {
 783     qmp_migrate_cancel(NULL);
 784 }
 785
 786 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
 787 {
 788     double value = qdict_get_double(qdict, "value");
 789     qmp_migrate_set_downtime(value, NULL);
 790 }
 791
 792 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
 793 {
 794     int64_t value = qdict_get_int(qdict, "value");
 795     Error *err = NULL;
 796
 797     qmp_migrate_set_cache_size(value, &err);
 798     if (err) {
 799         monitor_printf(mon, "%s\n", error_get_pretty(err));
 800         error_free(err);
 801         return;
 802     }
 803 }
 804
 805 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
 806 {
 807     int64_t value = qdict_get_int(qdict, "value");
 808     qmp_migrate_set_speed(value, NULL);
 809 }
 810
 811 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
 812 {
 813     const char *cap = qdict_get_str(qdict, "capability");
 814     bool state = qdict_get_bool(qdict, "state");
 815     Error *err = NULL;
 816     MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
 817     int i;
 818
 819     for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
 820         if (strcmp(cap, MigrationCapability_lookup[i]) == 0) {
 821             caps->value = g_malloc0(sizeof(*caps->value));
 822             caps->value->capability = i;
 823             caps->value->state = state;
 824             caps->next = NULL;
 825             qmp_migrate_set_capabilities(caps, &err);
 826             break;
 827         }
 828     }
 829
 830     if (i == MIGRATION_CAPABILITY_MAX) {
 831         error_set(&err, QERR_INVALID_PARAMETER, cap);
 832     }
 833
 834     qapi_free_MigrationCapabilityStatusList(caps);
 835
 836     if (err) {
 837         monitor_printf(mon, "migrate_set_parameter: %s\n",
 838                        error_get_pretty(err));
 839         error_free(err);
 840     }
 841 }
 842
 843 void hmp_set_password(Monitor *mon, const QDict *qdict)
 844 {
 845     const char *protocol  = qdict_get_str(qdict, "protocol");
 846     const char *password  = qdict_get_str(qdict, "password");
 847     const char *connected = qdict_get_try_str(qdict, "connected");
 848     Error *err = NULL;
 849
 850     qmp_set_password(protocol, password, !!connected, connected, &err);
 851     hmp_handle_error(mon, &err);
 852 }
 853
 854 void hmp_expire_password(Monitor *mon, const QDict *qdict)
 855 {
 856     const char *protocol  = qdict_get_str(qdict, "protocol");
 857     const char *whenstr = qdict_get_str(qdict, "time");
 858     Error *err = NULL;
 859
 860     qmp_expire_password(protocol, whenstr, &err);
 861     hmp_handle_error(mon, &err);
 862 }
 863
 864 void hmp_eject(Monitor *mon, const QDict *qdict)
 865 {
 866     int force = qdict_get_try_bool(qdict, "force", 0);
 867     const char *device = qdict_get_str(qdict, "device");
 868     Error *err = NULL;
 869
 870     qmp_eject(device, true, force, &err);
 871     hmp_handle_error(mon, &err);
 872 }
 873
 874 static void hmp_change_read_arg(Monitor *mon, const char *password,
 875                                 void *opaque)
 876 {
 877     qmp_change_vnc_password(password, NULL);
 878     monitor_read_command(mon, 1);
 879 }
 880
 881 static void cb_hmp_change_bdrv_pwd(Monitor *mon, const char *password,
 882                                    void *opaque)
 883 {
 884     Error *encryption_err = opaque;
 885     Error *err = NULL;
 886     const char *device;
 887
 888     device = error_get_field(encryption_err, "device");
 889
 890     qmp_block_passwd(device, password, &err);
 891     hmp_handle_error(mon, &err);
 892     error_free(encryption_err);
 893
 894     monitor_read_command(mon, 1);
 895 }
 896
 897 void hmp_change(Monitor *mon, const QDict *qdict)
 898 {
 899     const char *device = qdict_get_str(qdict, "device");
 900     const char *target = qdict_get_str(qdict, "target");
 901     const char *arg = qdict_get_try_str(qdict, "arg");
 902     Error *err = NULL;
 903
 904     if (strcmp(device, "vnc") == 0 &&
 905             (strcmp(target, "passwd") == 0 ||
 906              strcmp(target, "password") == 0)) {
 907         if (!arg) {
 908             monitor_read_password(mon, hmp_change_read_arg, NULL);
 909             return;
 910         }
 911     }
 912
 913     qmp_change(device, target, !!arg, arg, &err);
 914     if (error_is_type(err, QERR_DEVICE_ENCRYPTED)) {
 915         monitor_printf(mon, "%s (%s) is encrypted.\n",
 916                        error_get_field(err, "device"),
 917                        error_get_field(err, "filename"));
 918         if (!monitor_get_rs(mon)) {
 919             monitor_printf(mon,
 920                     "terminal does not support password prompting\n");
 921             error_free(err);
 922             return;
 923         }
 924         readline_start(monitor_get_rs(mon), "Password: ", 1,
 925                        cb_hmp_change_bdrv_pwd, err);
 926         return;
 927     }
 928     hmp_handle_error(mon, &err);
 929 }
 930
 931 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
 932 {
 933     Error *err = NULL;
 934
 935     qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
 936                               qdict_get_int(qdict, "bps"),
 937                               qdict_get_int(qdict, "bps_rd"),
 938                               qdict_get_int(qdict, "bps_wr"),
 939                               qdict_get_int(qdict, "iops"),
 940                               qdict_get_int(qdict, "iops_rd"),
 941                               qdict_get_int(qdict, "iops_wr"), &err);
 942     hmp_handle_error(mon, &err);
 943 }
 944
 945 void hmp_block_stream(Monitor *mon, const QDict *qdict)
 946 {
 947     Error *error = NULL;
 948     const char *device = qdict_get_str(qdict, "device");
 949     const char *base = qdict_get_try_str(qdict, "base");
 950     int64_t speed = qdict_get_try_int(qdict, "speed", 0);
 951
 952     qmp_block_stream(device, base != NULL, base,
 953                      qdict_haskey(qdict, "speed"), speed, &error);
 954
 955     hmp_handle_error(mon, &error);
 956 }
 957
 958 void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
 959 {
 960     Error *error = NULL;
 961     const char *device = qdict_get_str(qdict, "device");
 962     int64_t value = qdict_get_int(qdict, "speed");
 963
 964     qmp_block_job_set_speed(device, value, &error);
 965
 966     hmp_handle_error(mon, &error);
 967 }
 968
 969 void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
 970 {
 971     Error *error = NULL;
 972     const char *device = qdict_get_str(qdict, "device");
 973
 974     qmp_block_job_cancel(device, &error);
 975
 976     hmp_handle_error(mon, &error);
 977 }
 978
 979 typedef struct MigrationStatus
 980 {
 981     QEMUTimer *timer;
 982     Monitor *mon;
 983     bool is_block_migration;
 984 } MigrationStatus;
 985
 986 static void hmp_migrate_status_cb(void *opaque)
 987 {
 988     MigrationStatus *status = opaque;
 989     MigrationInfo *info;
 990
 991     info = qmp_query_migrate(NULL);
 992     if (!info->has_status || strcmp(info->status, "active") == 0) {
 993         if (info->has_disk) {
 994             int progress;
 995
 996             if (info->disk->remaining) {
 997                 progress = info->disk->transferred * 100 / info->disk->total;
 998             } else {
 999                 progress = 100;
1000             }
1001
1002             monitor_printf(status->mon, "Completed %d %%\r", progress);
1003             monitor_flush(status->mon);
1004         }
1005
1006         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock) + 1000);
1007     } else {
1008         if (status->is_block_migration) {
1009             monitor_printf(status->mon, "\n");
1010         }
1011         monitor_resume(status->mon);
1012         qemu_del_timer(status->timer);
1013         g_free(status);
1014     }
1015
1016     qapi_free_MigrationInfo(info);
1017 }
1018
1019 void hmp_migrate(Monitor *mon, const QDict *qdict)
1020 {
1021     int detach = qdict_get_try_bool(qdict, "detach", 0);
1022     int blk = qdict_get_try_bool(qdict, "blk", 0);
1023     int inc = qdict_get_try_bool(qdict, "inc", 0);
1024     const char *uri = qdict_get_str(qdict, "uri");
1025     Error *err = NULL;
1026
1027     qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
1028     if (err) {
1029         monitor_printf(mon, "migrate: %s\n", error_get_pretty(err));
1030         error_free(err);
1031         return;
1032     }
1033
1034     if (!detach) {
1035         MigrationStatus *status;
1036
1037         if (monitor_suspend(mon) < 0) {
1038             monitor_printf(mon, "terminal does not allow synchronous "
1039                            "migration, continuing detached\n");
1040             return;
1041         }
1042
1043         status = g_malloc0(sizeof(*status));
1044         status->mon = mon;
1045         status->is_block_migration = blk || inc;
1046         status->timer = qemu_new_timer_ms(rt_clock, hmp_migrate_status_cb,
1047                                           status);
1048         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock));
1049     }
1050 }
1051
1052 void hmp_device_del(Monitor *mon, const QDict *qdict)
1053 {
1054     const char *id = qdict_get_str(qdict, "id");
1055     Error *err = NULL;
1056
1057     qmp_device_del(id, &err);
1058     hmp_handle_error(mon, &err);
1059 }
1060
1061 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
1062 {
1063     Error *errp = NULL;
1064     int paging = qdict_get_try_bool(qdict, "paging", 0);
1065     const char *file = qdict_get_str(qdict, "protocol");
1066     bool has_begin = qdict_haskey(qdict, "begin");
1067     bool has_length = qdict_haskey(qdict, "length");
1068     int64_t begin = 0;
1069     int64_t length = 0;
1070
1071     if (has_begin) {
1072         begin = qdict_get_int(qdict, "begin");
1073     }
1074     if (has_length) {
1075         length = qdict_get_int(qdict, "length");
1076     }
1077
1078     qmp_dump_guest_memory(paging, file, has_begin, begin, has_length, length,
1079                           &errp);
1080     hmp_handle_error(mon, &errp);
1081 }
1082
1083 void hmp_netdev_add(Monitor *mon, const QDict *qdict)
1084 {
1085     Error *err = NULL;
1086     QemuOpts *opts;
1087
1088     opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
1089     if (error_is_set(&err)) {
1090         goto out;
1091     }
1092
1093     netdev_add(opts, &err);
1094     if (error_is_set(&err)) {
1095         qemu_opts_del(opts);
1096     }
1097
1098 out:
1099     hmp_handle_error(mon, &err);
1100 }
1101
1102 void hmp_netdev_del(Monitor *mon, const QDict *qdict)
1103 {
1104     const char *id = qdict_get_str(qdict, "id");
1105     Error *err = NULL;
1106
1107     qmp_netdev_del(id, &err);
1108     hmp_handle_error(mon, &err);
1109 }
1110
1111 void hmp_getfd(Monitor *mon, const QDict *qdict)
1112 {
1113     const char *fdname = qdict_get_str(qdict, "fdname");
1114     Error *errp = NULL;
1115
1116     qmp_getfd(fdname, &errp);
1117     hmp_handle_error(mon, &errp);
1118 }
1119
1120 void hmp_closefd(Monitor *mon, const QDict *qdict)
1121 {
1122     const char *fdname = qdict_get_str(qdict, "fdname");
1123     Error *errp = NULL;
1124
1125     qmp_closefd(fdname, &errp);
1126     hmp_handle_error(mon, &errp);
1127 }