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 #include "console.h"
  23
  24 static void hmp_handle_error(Monitor *mon, Error **errp)
  25 {
  26     if (error_is_set(errp)) {
  27         monitor_printf(mon, "%s\n", error_get_pretty(*errp));
  28         error_free(*errp);
  29     }
  30 }
  31
  32 void hmp_info_name(Monitor *mon)
  33 {
  34     NameInfo *info;
  35
  36     info = qmp_query_name(NULL);
  37     if (info->has_name) {
  38         monitor_printf(mon, "%s\n", info->name);
  39     }
  40     qapi_free_NameInfo(info);
  41 }
  42
  43 void hmp_info_version(Monitor *mon)
  44 {
  45     VersionInfo *info;
  46
  47     info = qmp_query_version(NULL);
  48
  49     monitor_printf(mon, "%" PRId64 ".%" PRId64 ".%" PRId64 "%s\n",
  50                    info->qemu.major, info->qemu.minor, info->qemu.micro,
  51                    info->package);
  52
  53     qapi_free_VersionInfo(info);
  54 }
  55
  56 void hmp_info_kvm(Monitor *mon)
  57 {
  58     KvmInfo *info;
  59
  60     info = qmp_query_kvm(NULL);
  61     monitor_printf(mon, "kvm support: ");
  62     if (info->present) {
  63         monitor_printf(mon, "%s\n", info->enabled ? "enabled" : "disabled");
  64     } else {
  65         monitor_printf(mon, "not compiled\n");
  66     }
  67
  68     qapi_free_KvmInfo(info);
  69 }
  70
  71 void hmp_info_status(Monitor *mon)
  72 {
  73     StatusInfo *info;
  74
  75     info = qmp_query_status(NULL);
  76
  77     monitor_printf(mon, "VM status: %s%s",
  78                    info->running ? "running" : "paused",
  79                    info->singlestep ? " (single step mode)" : "");
  80
  81     if (!info->running && info->status != RUN_STATE_PAUSED) {
  82         monitor_printf(mon, " (%s)", RunState_lookup[info->status]);
  83     }
  84
  85     monitor_printf(mon, "\n");
  86
  87     qapi_free_StatusInfo(info);
  88 }
  89
  90 void hmp_info_uuid(Monitor *mon)
  91 {
  92     UuidInfo *info;
  93
  94     info = qmp_query_uuid(NULL);
  95     monitor_printf(mon, "%s\n", info->UUID);
  96     qapi_free_UuidInfo(info);
  97 }
  98
  99 void hmp_info_chardev(Monitor *mon)
 100 {
 101     ChardevInfoList *char_info, *info;
 102
 103     char_info = qmp_query_chardev(NULL);
 104     for (info = char_info; info; info = info->next) {
 105         monitor_printf(mon, "%s: filename=%s\n", info->value->label,
 106                                                  info->value->filename);
 107     }
 108
 109     qapi_free_ChardevInfoList(char_info);
 110 }
 111
 112 void hmp_info_mice(Monitor *mon)
 113 {
 114     MouseInfoList *mice_list, *mouse;
 115
 116     mice_list = qmp_query_mice(NULL);
 117     if (!mice_list) {
 118         monitor_printf(mon, "No mouse devices connected\n");
 119         return;
 120     }
 121
 122     for (mouse = mice_list; mouse; mouse = mouse->next) {
 123         monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
 124                        mouse->value->current ? '*' : ' ',
 125                        mouse->value->index, mouse->value->name,
 126                        mouse->value->absolute ? " (absolute)" : "");
 127     }
 128
 129     qapi_free_MouseInfoList(mice_list);
 130 }
 131
 132 void hmp_info_migrate(Monitor *mon)
 133 {
 134     MigrationInfo *info;
 135     MigrationCapabilityStatusList *caps, *cap;
 136
 137     info = qmp_query_migrate(NULL);
 138     caps = qmp_query_migrate_capabilities(NULL);
 139
 140     /* do not display parameters during setup */
 141     if (info->has_status && caps) {
 142         monitor_printf(mon, "capabilities: ");
 143         for (cap = caps; cap; cap = cap->next) {
 144             monitor_printf(mon, "%s: %s ",
 145                            MigrationCapability_lookup[cap->value->capability],
 146                            cap->value->state ? "on" : "off");
 147         }
 148         monitor_printf(mon, "\n");
 149     }
 150
 151     if (info->has_status) {
 152         monitor_printf(mon, "Migration status: %s\n", info->status);
 153         monitor_printf(mon, "total time: %" PRIu64 " milliseconds\n",
 154                        info->total_time);
 155     }
 156
 157     if (info->has_ram) {
 158         monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n",
 159                        info->ram->transferred >> 10);
 160         monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n",
 161                        info->ram->remaining >> 10);
 162         monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n",
 163                        info->ram->total >> 10);
 164         monitor_printf(mon, "duplicate: %" PRIu64 " pages\n",
 165                        info->ram->duplicate);
 166         monitor_printf(mon, "normal: %" PRIu64 " pages\n",
 167                        info->ram->normal);
 168         monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n",
 169                        info->ram->normal_bytes >> 10);
 170     }
 171
 172     if (info->has_disk) {
 173         monitor_printf(mon, "transferred disk: %" PRIu64 " kbytes\n",
 174                        info->disk->transferred >> 10);
 175         monitor_printf(mon, "remaining disk: %" PRIu64 " kbytes\n",
 176                        info->disk->remaining >> 10);
 177         monitor_printf(mon, "total disk: %" PRIu64 " kbytes\n",
 178                        info->disk->total >> 10);
 179     }
 180
 181     if (info->has_xbzrle_cache) {
 182         monitor_printf(mon, "cache size: %" PRIu64 " bytes\n",
 183                        info->xbzrle_cache->cache_size);
 184         monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n",
 185                        info->xbzrle_cache->bytes >> 10);
 186         monitor_printf(mon, "xbzrle pages: %" PRIu64 " pages\n",
 187                        info->xbzrle_cache->pages);
 188         monitor_printf(mon, "xbzrle cache miss: %" PRIu64 "\n",
 189                        info->xbzrle_cache->cache_miss);
 190         monitor_printf(mon, "xbzrle overflow : %" PRIu64 "\n",
 191                        info->xbzrle_cache->overflow);
 192     }
 193
 194     qapi_free_MigrationInfo(info);
 195     qapi_free_MigrationCapabilityStatusList(caps);
 196 }
 197
 198 void hmp_info_migrate_capabilities(Monitor *mon)
 199 {
 200     MigrationCapabilityStatusList *caps, *cap;
 201
 202     caps = qmp_query_migrate_capabilities(NULL);
 203
 204     if (caps) {
 205         monitor_printf(mon, "capabilities: ");
 206         for (cap = caps; cap; cap = cap->next) {
 207             monitor_printf(mon, "%s: %s ",
 208                            MigrationCapability_lookup[cap->value->capability],
 209                            cap->value->state ? "on" : "off");
 210         }
 211         monitor_printf(mon, "\n");
 212     }
 213
 214     qapi_free_MigrationCapabilityStatusList(caps);
 215 }
 216
 217 void hmp_info_migrate_cache_size(Monitor *mon)
 218 {
 219     monitor_printf(mon, "xbzrel cache size: %" PRId64 " kbytes\n",
 220                    qmp_query_migrate_cache_size(NULL) >> 10);
 221 }
 222
 223 void hmp_info_cpus(Monitor *mon)
 224 {
 225     CpuInfoList *cpu_list, *cpu;
 226
 227     cpu_list = qmp_query_cpus(NULL);
 228
 229     for (cpu = cpu_list; cpu; cpu = cpu->next) {
 230         int active = ' ';
 231
 232         if (cpu->value->CPU == monitor_get_cpu_index()) {
 233             active = '*';
 234         }
 235
 236         monitor_printf(mon, "%c CPU #%" PRId64 ": ", active, cpu->value->CPU);
 237
 238         if (cpu->value->has_pc) {
 239             monitor_printf(mon, "pc=0x%016" PRIx64, cpu->value->pc);
 240         }
 241         if (cpu->value->has_nip) {
 242             monitor_printf(mon, "nip=0x%016" PRIx64, cpu->value->nip);
 243         }
 244         if (cpu->value->has_npc) {
 245             monitor_printf(mon, "pc=0x%016" PRIx64, cpu->value->pc);
 246             monitor_printf(mon, "npc=0x%016" PRIx64, cpu->value->npc);
 247         }
 248         if (cpu->value->has_PC) {
 249             monitor_printf(mon, "PC=0x%016" PRIx64, cpu->value->PC);
 250         }
 251
 252         if (cpu->value->halted) {
 253             monitor_printf(mon, " (halted)");
 254         }
 255
 256         monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
 257     }
 258
 259     qapi_free_CpuInfoList(cpu_list);
 260 }
 261
 262 void hmp_info_block(Monitor *mon)
 263 {
 264     BlockInfoList *block_list, *info;
 265
 266     block_list = qmp_query_block(NULL);
 267
 268     for (info = block_list; info; info = info->next) {
 269         monitor_printf(mon, "%s: removable=%d",
 270                        info->value->device, info->value->removable);
 271
 272         if (info->value->removable) {
 273             monitor_printf(mon, " locked=%d", info->value->locked);
 274             monitor_printf(mon, " tray-open=%d", info->value->tray_open);
 275         }
 276
 277         if (info->value->has_io_status) {
 278             monitor_printf(mon, " io-status=%s",
 279                            BlockDeviceIoStatus_lookup[info->value->io_status]);
 280         }
 281
 282         if (info->value->has_inserted) {
 283             monitor_printf(mon, " file=");
 284             monitor_print_filename(mon, info->value->inserted->file);
 285
 286             if (info->value->inserted->has_backing_file) {
 287                 monitor_printf(mon, " backing_file=");
 288                 monitor_print_filename(mon, info->value->inserted->backing_file);
 289                 monitor_printf(mon, " backing_file_depth=%" PRId64,
 290                     info->value->inserted->backing_file_depth);
 291             }
 292             monitor_printf(mon, " ro=%d drv=%s encrypted=%d",
 293                            info->value->inserted->ro,
 294                            info->value->inserted->drv,
 295                            info->value->inserted->encrypted);
 296
 297             monitor_printf(mon, " bps=%" PRId64 " bps_rd=%" PRId64
 298                             " bps_wr=%" PRId64 " iops=%" PRId64
 299                             " iops_rd=%" PRId64 " iops_wr=%" PRId64,
 300                             info->value->inserted->bps,
 301                             info->value->inserted->bps_rd,
 302                             info->value->inserted->bps_wr,
 303                             info->value->inserted->iops,
 304                             info->value->inserted->iops_rd,
 305                             info->value->inserted->iops_wr);
 306         } else {
 307             monitor_printf(mon, " [not inserted]");
 308         }
 309
 310         monitor_printf(mon, "\n");
 311     }
 312
 313     qapi_free_BlockInfoList(block_list);
 314 }
 315
 316 void hmp_info_blockstats(Monitor *mon)
 317 {
 318     BlockStatsList *stats_list, *stats;
 319
 320     stats_list = qmp_query_blockstats(NULL);
 321
 322     for (stats = stats_list; stats; stats = stats->next) {
 323         if (!stats->value->has_device) {
 324             continue;
 325         }
 326
 327         monitor_printf(mon, "%s:", stats->value->device);
 328         monitor_printf(mon, " rd_bytes=%" PRId64
 329                        " wr_bytes=%" PRId64
 330                        " rd_operations=%" PRId64
 331                        " wr_operations=%" PRId64
 332                        " flush_operations=%" PRId64
 333                        " wr_total_time_ns=%" PRId64
 334                        " rd_total_time_ns=%" PRId64
 335                        " flush_total_time_ns=%" PRId64
 336                        "\n",
 337                        stats->value->stats->rd_bytes,
 338                        stats->value->stats->wr_bytes,
 339                        stats->value->stats->rd_operations,
 340                        stats->value->stats->wr_operations,
 341                        stats->value->stats->flush_operations,
 342                        stats->value->stats->wr_total_time_ns,
 343                        stats->value->stats->rd_total_time_ns,
 344                        stats->value->stats->flush_total_time_ns);
 345     }
 346
 347     qapi_free_BlockStatsList(stats_list);
 348 }
 349
 350 void hmp_info_vnc(Monitor *mon)
 351 {
 352     VncInfo *info;
 353     Error *err = NULL;
 354     VncClientInfoList *client;
 355
 356     info = qmp_query_vnc(&err);
 357     if (err) {
 358         monitor_printf(mon, "%s\n", error_get_pretty(err));
 359         error_free(err);
 360         return;
 361     }
 362
 363     if (!info->enabled) {
 364         monitor_printf(mon, "Server: disabled\n");
 365         goto out;
 366     }
 367
 368     monitor_printf(mon, "Server:\n");
 369     if (info->has_host && info->has_service) {
 370         monitor_printf(mon, "     address: %s:%s\n", info->host, info->service);
 371     }
 372     if (info->has_auth) {
 373         monitor_printf(mon, "        auth: %s\n", info->auth);
 374     }
 375
 376     if (!info->has_clients || info->clients == NULL) {
 377         monitor_printf(mon, "Client: none\n");
 378     } else {
 379         for (client = info->clients; client; client = client->next) {
 380             monitor_printf(mon, "Client:\n");
 381             monitor_printf(mon, "     address: %s:%s\n",
 382                            client->value->host, client->value->service);
 383             monitor_printf(mon, "  x509_dname: %s\n",
 384                            client->value->x509_dname ?
 385                            client->value->x509_dname : "none");
 386             monitor_printf(mon, "    username: %s\n",
 387                            client->value->has_sasl_username ?
 388                            client->value->sasl_username : "none");
 389         }
 390     }
 391
 392 out:
 393     qapi_free_VncInfo(info);
 394 }
 395
 396 void hmp_info_spice(Monitor *mon)
 397 {
 398     SpiceChannelList *chan;
 399     SpiceInfo *info;
 400
 401     info = qmp_query_spice(NULL);
 402
 403     if (!info->enabled) {
 404         monitor_printf(mon, "Server: disabled\n");
 405         goto out;
 406     }
 407
 408     monitor_printf(mon, "Server:\n");
 409     if (info->has_port) {
 410         monitor_printf(mon, "     address: %s:%" PRId64 "\n",
 411                        info->host, info->port);
 412     }
 413     if (info->has_tls_port) {
 414         monitor_printf(mon, "     address: %s:%" PRId64 " [tls]\n",
 415                        info->host, info->tls_port);
 416     }
 417     monitor_printf(mon, "    migrated: %s\n",
 418                    info->migrated ? "true" : "false");
 419     monitor_printf(mon, "        auth: %s\n", info->auth);
 420     monitor_printf(mon, "    compiled: %s\n", info->compiled_version);
 421     monitor_printf(mon, "  mouse-mode: %s\n",
 422                    SpiceQueryMouseMode_lookup[info->mouse_mode]);
 423
 424     if (!info->has_channels || info->channels == NULL) {
 425         monitor_printf(mon, "Channels: none\n");
 426     } else {
 427         for (chan = info->channels; chan; chan = chan->next) {
 428             monitor_printf(mon, "Channel:\n");
 429             monitor_printf(mon, "     address: %s:%s%s\n",
 430                            chan->value->host, chan->value->port,
 431                            chan->value->tls ? " [tls]" : "");
 432             monitor_printf(mon, "     session: %" PRId64 "\n",
 433                            chan->value->connection_id);
 434             monitor_printf(mon, "     channel: %" PRId64 ":%" PRId64 "\n",
 435                            chan->value->channel_type, chan->value->channel_id);
 436         }
 437     }
 438
 439 out:
 440     qapi_free_SpiceInfo(info);
 441 }
 442
 443 void hmp_info_balloon(Monitor *mon)
 444 {
 445     BalloonInfo *info;
 446     Error *err = NULL;
 447
 448     info = qmp_query_balloon(&err);
 449     if (err) {
 450         monitor_printf(mon, "%s\n", error_get_pretty(err));
 451         error_free(err);
 452         return;
 453     }
 454
 455     monitor_printf(mon, "balloon: actual=%" PRId64, info->actual >> 20);
 456     if (info->has_mem_swapped_in) {
 457         monitor_printf(mon, " mem_swapped_in=%" PRId64, info->mem_swapped_in);
 458     }
 459     if (info->has_mem_swapped_out) {
 460         monitor_printf(mon, " mem_swapped_out=%" PRId64, info->mem_swapped_out);
 461     }
 462     if (info->has_major_page_faults) {
 463         monitor_printf(mon, " major_page_faults=%" PRId64,
 464                        info->major_page_faults);
 465     }
 466     if (info->has_minor_page_faults) {
 467         monitor_printf(mon, " minor_page_faults=%" PRId64,
 468                        info->minor_page_faults);
 469     }
 470     if (info->has_free_mem) {
 471         monitor_printf(mon, " free_mem=%" PRId64, info->free_mem);
 472     }
 473     if (info->has_total_mem) {
 474         monitor_printf(mon, " total_mem=%" PRId64, info->total_mem);
 475     }
 476
 477     monitor_printf(mon, "\n");
 478
 479     qapi_free_BalloonInfo(info);
 480 }
 481
 482 static void hmp_info_pci_device(Monitor *mon, const PciDeviceInfo *dev)
 483 {
 484     PciMemoryRegionList *region;
 485
 486     monitor_printf(mon, "  Bus %2" PRId64 ", ", dev->bus);
 487     monitor_printf(mon, "device %3" PRId64 ", function %" PRId64 ":\n",
 488                    dev->slot, dev->function);
 489     monitor_printf(mon, "    ");
 490
 491     if (dev->class_info.has_desc) {
 492         monitor_printf(mon, "%s", dev->class_info.desc);
 493     } else {
 494         monitor_printf(mon, "Class %04" PRId64, dev->class_info.class);
 495     }
 496
 497     monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
 498                    dev->id.vendor, dev->id.device);
 499
 500     if (dev->has_irq) {
 501         monitor_printf(mon, "      IRQ %" PRId64 ".\n", dev->irq);
 502     }
 503
 504     if (dev->has_pci_bridge) {
 505         monitor_printf(mon, "      BUS %" PRId64 ".\n",
 506                        dev->pci_bridge->bus.number);
 507         monitor_printf(mon, "      secondary bus %" PRId64 ".\n",
 508                        dev->pci_bridge->bus.secondary);
 509         monitor_printf(mon, "      subordinate bus %" PRId64 ".\n",
 510                        dev->pci_bridge->bus.subordinate);
 511
 512         monitor_printf(mon, "      IO range [0x%04"PRIx64", 0x%04"PRIx64"]\n",
 513                        dev->pci_bridge->bus.io_range->base,
 514                        dev->pci_bridge->bus.io_range->limit);
 515
 516         monitor_printf(mon,
 517                        "      memory range [0x%08"PRIx64", 0x%08"PRIx64"]\n",
 518                        dev->pci_bridge->bus.memory_range->base,
 519                        dev->pci_bridge->bus.memory_range->limit);
 520
 521         monitor_printf(mon, "      prefetchable memory range "
 522                        "[0x%08"PRIx64", 0x%08"PRIx64"]\n",
 523                        dev->pci_bridge->bus.prefetchable_range->base,
 524                        dev->pci_bridge->bus.prefetchable_range->limit);
 525     }
 526
 527     for (region = dev->regions; region; region = region->next) {
 528         uint64_t addr, size;
 529
 530         addr = region->value->address;
 531         size = region->value->size;
 532
 533         monitor_printf(mon, "      BAR%" PRId64 ": ", region->value->bar);
 534
 535         if (!strcmp(region->value->type, "io")) {
 536             monitor_printf(mon, "I/O at 0x%04" PRIx64
 537                                 " [0x%04" PRIx64 "].\n",
 538                            addr, addr + size - 1);
 539         } else {
 540             monitor_printf(mon, "%d bit%s memory at 0x%08" PRIx64
 541                                " [0x%08" PRIx64 "].\n",
 542                            region->value->mem_type_64 ? 64 : 32,
 543                            region->value->prefetch ? " prefetchable" : "",
 544                            addr, addr + size - 1);
 545         }
 546     }
 547
 548     monitor_printf(mon, "      id \"%s\"\n", dev->qdev_id);
 549
 550     if (dev->has_pci_bridge) {
 551         if (dev->pci_bridge->has_devices) {
 552             PciDeviceInfoList *cdev;
 553             for (cdev = dev->pci_bridge->devices; cdev; cdev = cdev->next) {
 554                 hmp_info_pci_device(mon, cdev->value);
 555             }
 556         }
 557     }
 558 }
 559
 560 void hmp_info_pci(Monitor *mon)
 561 {
 562     PciInfoList *info_list, *info;
 563     Error *err = NULL;
 564
 565     info_list = qmp_query_pci(&err);
 566     if (err) {
 567         monitor_printf(mon, "PCI devices not supported\n");
 568         error_free(err);
 569         return;
 570     }
 571
 572     for (info = info_list; info; info = info->next) {
 573         PciDeviceInfoList *dev;
 574
 575         for (dev = info->value->devices; dev; dev = dev->next) {
 576             hmp_info_pci_device(mon, dev->value);
 577         }
 578     }
 579
 580     qapi_free_PciInfoList(info_list);
 581 }
 582
 583 void hmp_info_block_jobs(Monitor *mon)
 584 {
 585     BlockJobInfoList *list;
 586     Error *err = NULL;
 587
 588     list = qmp_query_block_jobs(&err);
 589     assert(!err);
 590
 591     if (!list) {
 592         monitor_printf(mon, "No active jobs\n");
 593         return;
 594     }
 595
 596     while (list) {
 597         if (strcmp(list->value->type, "stream") == 0) {
 598             monitor_printf(mon, "Streaming device %s: Completed %" PRId64
 599                            " of %" PRId64 " bytes, speed limit %" PRId64
 600                            " bytes/s\n",
 601                            list->value->device,
 602                            list->value->offset,
 603                            list->value->len,
 604                            list->value->speed);
 605         } else {
 606             monitor_printf(mon, "Type %s, device %s: Completed %" PRId64
 607                            " of %" PRId64 " bytes, speed limit %" PRId64
 608                            " bytes/s\n",
 609                            list->value->type,
 610                            list->value->device,
 611                            list->value->offset,
 612                            list->value->len,
 613                            list->value->speed);
 614         }
 615         list = list->next;
 616     }
 617 }
 618
 619 void hmp_quit(Monitor *mon, const QDict *qdict)
 620 {
 621     monitor_suspend(mon);
 622     qmp_quit(NULL);
 623 }
 624
 625 void hmp_stop(Monitor *mon, const QDict *qdict)
 626 {
 627     qmp_stop(NULL);
 628 }
 629
 630 void hmp_system_reset(Monitor *mon, const QDict *qdict)
 631 {
 632     qmp_system_reset(NULL);
 633 }
 634
 635 void hmp_system_powerdown(Monitor *mon, const QDict *qdict)
 636 {
 637     qmp_system_powerdown(NULL);
 638 }
 639
 640 void hmp_cpu(Monitor *mon, const QDict *qdict)
 641 {
 642     int64_t cpu_index;
 643
 644     /* XXX: drop the monitor_set_cpu() usage when all HMP commands that
 645             use it are converted to the QAPI */
 646     cpu_index = qdict_get_int(qdict, "index");
 647     if (monitor_set_cpu(cpu_index) < 0) {
 648         monitor_printf(mon, "invalid CPU index\n");
 649     }
 650 }
 651
 652 void hmp_memsave(Monitor *mon, const QDict *qdict)
 653 {
 654     uint32_t size = qdict_get_int(qdict, "size");
 655     const char *filename = qdict_get_str(qdict, "filename");
 656     uint64_t addr = qdict_get_int(qdict, "val");
 657     Error *errp = NULL;
 658
 659     qmp_memsave(addr, size, filename, true, monitor_get_cpu_index(), &errp);
 660     hmp_handle_error(mon, &errp);
 661 }
 662
 663 void hmp_pmemsave(Monitor *mon, const QDict *qdict)
 664 {
 665     uint32_t size = qdict_get_int(qdict, "size");
 666     const char *filename = qdict_get_str(qdict, "filename");
 667     uint64_t addr = qdict_get_int(qdict, "val");
 668     Error *errp = NULL;
 669
 670     qmp_pmemsave(addr, size, filename, &errp);
 671     hmp_handle_error(mon, &errp);
 672 }
 673
 674 static void hmp_cont_cb(void *opaque, int err)
 675 {
 676     if (!err) {
 677         qmp_cont(NULL);
 678     }
 679 }
 680
 681 static bool key_is_missing(const BlockInfo *bdev)
 682 {
 683     return (bdev->inserted && bdev->inserted->encryption_key_missing);
 684 }
 685
 686 void hmp_cont(Monitor *mon, const QDict *qdict)
 687 {
 688     BlockInfoList *bdev_list, *bdev;
 689     Error *errp = NULL;
 690
 691     bdev_list = qmp_query_block(NULL);
 692     for (bdev = bdev_list; bdev; bdev = bdev->next) {
 693         if (key_is_missing(bdev->value)) {
 694             monitor_read_block_device_key(mon, bdev->value->device,
 695                                           hmp_cont_cb, NULL);
 696             goto out;
 697         }
 698     }
 699
 700     qmp_cont(&errp);
 701     hmp_handle_error(mon, &errp);
 702
 703 out:
 704     qapi_free_BlockInfoList(bdev_list);
 705 }
 706
 707 void hmp_system_wakeup(Monitor *mon, const QDict *qdict)
 708 {
 709     qmp_system_wakeup(NULL);
 710 }
 711
 712 void hmp_inject_nmi(Monitor *mon, const QDict *qdict)
 713 {
 714     Error *errp = NULL;
 715
 716     qmp_inject_nmi(&errp);
 717     hmp_handle_error(mon, &errp);
 718 }
 719
 720 void hmp_set_link(Monitor *mon, const QDict *qdict)
 721 {
 722     const char *name = qdict_get_str(qdict, "name");
 723     int up = qdict_get_bool(qdict, "up");
 724     Error *errp = NULL;
 725
 726     qmp_set_link(name, up, &errp);
 727     hmp_handle_error(mon, &errp);
 728 }
 729
 730 void hmp_block_passwd(Monitor *mon, const QDict *qdict)
 731 {
 732     const char *device = qdict_get_str(qdict, "device");
 733     const char *password = qdict_get_str(qdict, "password");
 734     Error *errp = NULL;
 735
 736     qmp_block_passwd(device, password, &errp);
 737     hmp_handle_error(mon, &errp);
 738 }
 739
 740 void hmp_balloon(Monitor *mon, const QDict *qdict)
 741 {
 742     int64_t value = qdict_get_int(qdict, "value");
 743     Error *errp = NULL;
 744
 745     qmp_balloon(value, &errp);
 746     if (error_is_set(&errp)) {
 747         monitor_printf(mon, "balloon: %s\n", error_get_pretty(errp));
 748         error_free(errp);
 749     }
 750 }
 751
 752 void hmp_block_resize(Monitor *mon, const QDict *qdict)
 753 {
 754     const char *device = qdict_get_str(qdict, "device");
 755     int64_t size = qdict_get_int(qdict, "size");
 756     Error *errp = NULL;
 757
 758     qmp_block_resize(device, size, &errp);
 759     hmp_handle_error(mon, &errp);
 760 }
 761
 762 void hmp_snapshot_blkdev(Monitor *mon, const QDict *qdict)
 763 {
 764     const char *device = qdict_get_str(qdict, "device");
 765     const char *filename = qdict_get_try_str(qdict, "snapshot-file");
 766     const char *format = qdict_get_try_str(qdict, "format");
 767     int reuse = qdict_get_try_bool(qdict, "reuse", 0);
 768     enum NewImageMode mode;
 769     Error *errp = NULL;
 770
 771     if (!filename) {
 772         /* In the future, if 'snapshot-file' is not specified, the snapshot
 773            will be taken internally. Today it's actually required. */
 774         error_set(&errp, QERR_MISSING_PARAMETER, "snapshot-file");
 775         hmp_handle_error(mon, &errp);
 776         return;
 777     }
 778
 779     mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS;
 780     qmp_blockdev_snapshot_sync(device, filename, !!format, format,
 781                                true, mode, &errp);
 782     hmp_handle_error(mon, &errp);
 783 }
 784
 785 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict)
 786 {
 787     qmp_migrate_cancel(NULL);
 788 }
 789
 790 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict)
 791 {
 792     double value = qdict_get_double(qdict, "value");
 793     qmp_migrate_set_downtime(value, NULL);
 794 }
 795
 796 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict)
 797 {
 798     int64_t value = qdict_get_int(qdict, "value");
 799     Error *err = NULL;
 800
 801     qmp_migrate_set_cache_size(value, &err);
 802     if (err) {
 803         monitor_printf(mon, "%s\n", error_get_pretty(err));
 804         error_free(err);
 805         return;
 806     }
 807 }
 808
 809 void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict)
 810 {
 811     int64_t value = qdict_get_int(qdict, "value");
 812     qmp_migrate_set_speed(value, NULL);
 813 }
 814
 815 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict)
 816 {
 817     const char *cap = qdict_get_str(qdict, "capability");
 818     bool state = qdict_get_bool(qdict, "state");
 819     Error *err = NULL;
 820     MigrationCapabilityStatusList *caps = g_malloc0(sizeof(*caps));
 821     int i;
 822
 823     for (i = 0; i < MIGRATION_CAPABILITY_MAX; i++) {
 824         if (strcmp(cap, MigrationCapability_lookup[i]) == 0) {
 825             caps->value = g_malloc0(sizeof(*caps->value));
 826             caps->value->capability = i;
 827             caps->value->state = state;
 828             caps->next = NULL;
 829             qmp_migrate_set_capabilities(caps, &err);
 830             break;
 831         }
 832     }
 833
 834     if (i == MIGRATION_CAPABILITY_MAX) {
 835         error_set(&err, QERR_INVALID_PARAMETER, cap);
 836     }
 837
 838     qapi_free_MigrationCapabilityStatusList(caps);
 839
 840     if (err) {
 841         monitor_printf(mon, "migrate_set_parameter: %s\n",
 842                        error_get_pretty(err));
 843         error_free(err);
 844     }
 845 }
 846
 847 void hmp_set_password(Monitor *mon, const QDict *qdict)
 848 {
 849     const char *protocol  = qdict_get_str(qdict, "protocol");
 850     const char *password  = qdict_get_str(qdict, "password");
 851     const char *connected = qdict_get_try_str(qdict, "connected");
 852     Error *err = NULL;
 853
 854     qmp_set_password(protocol, password, !!connected, connected, &err);
 855     hmp_handle_error(mon, &err);
 856 }
 857
 858 void hmp_expire_password(Monitor *mon, const QDict *qdict)
 859 {
 860     const char *protocol  = qdict_get_str(qdict, "protocol");
 861     const char *whenstr = qdict_get_str(qdict, "time");
 862     Error *err = NULL;
 863
 864     qmp_expire_password(protocol, whenstr, &err);
 865     hmp_handle_error(mon, &err);
 866 }
 867
 868 void hmp_eject(Monitor *mon, const QDict *qdict)
 869 {
 870     int force = qdict_get_try_bool(qdict, "force", 0);
 871     const char *device = qdict_get_str(qdict, "device");
 872     Error *err = NULL;
 873
 874     qmp_eject(device, true, force, &err);
 875     hmp_handle_error(mon, &err);
 876 }
 877
 878 static void hmp_change_read_arg(Monitor *mon, const char *password,
 879                                 void *opaque)
 880 {
 881     qmp_change_vnc_password(password, NULL);
 882     monitor_read_command(mon, 1);
 883 }
 884
 885 void hmp_change(Monitor *mon, const QDict *qdict)
 886 {
 887     const char *device = qdict_get_str(qdict, "device");
 888     const char *target = qdict_get_str(qdict, "target");
 889     const char *arg = qdict_get_try_str(qdict, "arg");
 890     Error *err = NULL;
 891
 892     if (strcmp(device, "vnc") == 0 &&
 893             (strcmp(target, "passwd") == 0 ||
 894              strcmp(target, "password") == 0)) {
 895         if (!arg) {
 896             monitor_read_password(mon, hmp_change_read_arg, NULL);
 897             return;
 898         }
 899     }
 900
 901     qmp_change(device, target, !!arg, arg, &err);
 902     if (error_is_set(&err) &&
 903         error_get_class(err) == ERROR_CLASS_DEVICE_ENCRYPTED) {
 904         error_free(err);
 905         monitor_read_block_device_key(mon, device, NULL, NULL);
 906         return;
 907     }
 908     hmp_handle_error(mon, &err);
 909 }
 910
 911 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict)
 912 {
 913     Error *err = NULL;
 914
 915     qmp_block_set_io_throttle(qdict_get_str(qdict, "device"),
 916                               qdict_get_int(qdict, "bps"),
 917                               qdict_get_int(qdict, "bps_rd"),
 918                               qdict_get_int(qdict, "bps_wr"),
 919                               qdict_get_int(qdict, "iops"),
 920                               qdict_get_int(qdict, "iops_rd"),
 921                               qdict_get_int(qdict, "iops_wr"), &err);
 922     hmp_handle_error(mon, &err);
 923 }
 924
 925 void hmp_block_stream(Monitor *mon, const QDict *qdict)
 926 {
 927     Error *error = NULL;
 928     const char *device = qdict_get_str(qdict, "device");
 929     const char *base = qdict_get_try_str(qdict, "base");
 930     int64_t speed = qdict_get_try_int(qdict, "speed", 0);
 931
 932     qmp_block_stream(device, base != NULL, base,
 933                      qdict_haskey(qdict, "speed"), speed, &error);
 934
 935     hmp_handle_error(mon, &error);
 936 }
 937
 938 void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
 939 {
 940     Error *error = NULL;
 941     const char *device = qdict_get_str(qdict, "device");
 942     int64_t value = qdict_get_int(qdict, "speed");
 943
 944     qmp_block_job_set_speed(device, value, &error);
 945
 946     hmp_handle_error(mon, &error);
 947 }
 948
 949 void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
 950 {
 951     Error *error = NULL;
 952     const char *device = qdict_get_str(qdict, "device");
 953
 954     qmp_block_job_cancel(device, &error);
 955
 956     hmp_handle_error(mon, &error);
 957 }
 958
 959 typedef struct MigrationStatus
 960 {
 961     QEMUTimer *timer;
 962     Monitor *mon;
 963     bool is_block_migration;
 964 } MigrationStatus;
 965
 966 static void hmp_migrate_status_cb(void *opaque)
 967 {
 968     MigrationStatus *status = opaque;
 969     MigrationInfo *info;
 970
 971     info = qmp_query_migrate(NULL);
 972     if (!info->has_status || strcmp(info->status, "active") == 0) {
 973         if (info->has_disk) {
 974             int progress;
 975
 976             if (info->disk->remaining) {
 977                 progress = info->disk->transferred * 100 / info->disk->total;
 978             } else {
 979                 progress = 100;
 980             }
 981
 982             monitor_printf(status->mon, "Completed %d %%\r", progress);
 983             monitor_flush(status->mon);
 984         }
 985
 986         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock) + 1000);
 987     } else {
 988         if (status->is_block_migration) {
 989             monitor_printf(status->mon, "\n");
 990         }
 991         monitor_resume(status->mon);
 992         qemu_del_timer(status->timer);
 993         g_free(status);
 994     }
 995
 996     qapi_free_MigrationInfo(info);
 997 }
 998
 999 void hmp_migrate(Monitor *mon, const QDict *qdict)
1000 {
1001     int detach = qdict_get_try_bool(qdict, "detach", 0);
1002     int blk = qdict_get_try_bool(qdict, "blk", 0);
1003     int inc = qdict_get_try_bool(qdict, "inc", 0);
1004     const char *uri = qdict_get_str(qdict, "uri");
1005     Error *err = NULL;
1006
1007     qmp_migrate(uri, !!blk, blk, !!inc, inc, false, false, &err);
1008     if (err) {
1009         monitor_printf(mon, "migrate: %s\n", error_get_pretty(err));
1010         error_free(err);
1011         return;
1012     }
1013
1014     if (!detach) {
1015         MigrationStatus *status;
1016
1017         if (monitor_suspend(mon) < 0) {
1018             monitor_printf(mon, "terminal does not allow synchronous "
1019                            "migration, continuing detached\n");
1020             return;
1021         }
1022
1023         status = g_malloc0(sizeof(*status));
1024         status->mon = mon;
1025         status->is_block_migration = blk || inc;
1026         status->timer = qemu_new_timer_ms(rt_clock, hmp_migrate_status_cb,
1027                                           status);
1028         qemu_mod_timer(status->timer, qemu_get_clock_ms(rt_clock));
1029     }
1030 }
1031
1032 void hmp_device_del(Monitor *mon, const QDict *qdict)
1033 {
1034     const char *id = qdict_get_str(qdict, "id");
1035     Error *err = NULL;
1036
1037     qmp_device_del(id, &err);
1038     hmp_handle_error(mon, &err);
1039 }
1040
1041 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
1042 {
1043     Error *errp = NULL;
1044     int paging = qdict_get_try_bool(qdict, "paging", 0);
1045     const char *file = qdict_get_str(qdict, "protocol");
1046     bool has_begin = qdict_haskey(qdict, "begin");
1047     bool has_length = qdict_haskey(qdict, "length");
1048     int64_t begin = 0;
1049     int64_t length = 0;
1050
1051     if (has_begin) {
1052         begin = qdict_get_int(qdict, "begin");
1053     }
1054     if (has_length) {
1055         length = qdict_get_int(qdict, "length");
1056     }
1057
1058     qmp_dump_guest_memory(paging, file, has_begin, begin, has_length, length,
1059                           &errp);
1060     hmp_handle_error(mon, &errp);
1061 }
1062
1063 void hmp_netdev_add(Monitor *mon, const QDict *qdict)
1064 {
1065     Error *err = NULL;
1066     QemuOpts *opts;
1067
1068     opts = qemu_opts_from_qdict(qemu_find_opts("netdev"), qdict, &err);
1069     if (error_is_set(&err)) {
1070         goto out;
1071     }
1072
1073     netdev_add(opts, &err);
1074     if (error_is_set(&err)) {
1075         qemu_opts_del(opts);
1076     }
1077
1078 out:
1079     hmp_handle_error(mon, &err);
1080 }
1081
1082 void hmp_netdev_del(Monitor *mon, const QDict *qdict)
1083 {
1084     const char *id = qdict_get_str(qdict, "id");
1085     Error *err = NULL;
1086
1087     qmp_netdev_del(id, &err);
1088     hmp_handle_error(mon, &err);
1089 }
1090
1091 void hmp_getfd(Monitor *mon, const QDict *qdict)
1092 {
1093     const char *fdname = qdict_get_str(qdict, "fdname");
1094     Error *errp = NULL;
1095
1096     qmp_getfd(fdname, &errp);
1097     hmp_handle_error(mon, &errp);
1098 }
1099
1100 void hmp_closefd(Monitor *mon, const QDict *qdict)
1101 {
1102     const char *fdname = qdict_get_str(qdict, "fdname");
1103     Error *errp = NULL;
1104
1105     qmp_closefd(fdname, &errp);
1106     hmp_handle_error(mon, &errp);
1107 }
1108
1109 void hmp_send_key(Monitor *mon, const QDict *qdict)
1110 {
1111     const char *keys = qdict_get_str(qdict, "keys");
1112     QKeyCodeList *keylist, *head = NULL, *tmp = NULL;
1113     int has_hold_time = qdict_haskey(qdict, "hold-time");
1114     int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
1115     Error *err = NULL;
1116     char keyname_buf[16];
1117     char *separator;
1118     int keyname_len, idx;
1119
1120     while (1) {
1121         separator = strchr(keys, '-');
1122         keyname_len = separator ? separator - keys : strlen(keys);
1123         pstrcpy(keyname_buf, sizeof(keyname_buf), keys);
1124
1125         /* Be compatible with old interface, convert user inputted "<" */
1126         if (!strncmp(keyname_buf, "<", 1) && keyname_len == 1) {
1127             pstrcpy(keyname_buf, sizeof(keyname_buf), "less");
1128             keyname_len = 4;
1129         }
1130         keyname_buf[keyname_len] = 0;
1131
1132         idx = index_from_key(keyname_buf);
1133         if (idx == Q_KEY_CODE_MAX) {
1134             monitor_printf(mon, "invalid parameter: %s\n", keyname_buf);
1135             break;
1136         }
1137
1138         keylist = g_malloc0(sizeof(*keylist));
1139         keylist->value = idx;
1140         keylist->next = NULL;
1141
1142         if (!head) {
1143             head = keylist;
1144         }
1145         if (tmp) {
1146             tmp->next = keylist;
1147         }
1148         tmp = keylist;
1149
1150         if (!separator) {
1151             break;
1152         }
1153         keys = separator + 1;
1154     }
1155
1156     if (idx != Q_KEY_CODE_MAX) {
1157         qmp_send_key(head, has_hold_time, hold_time, &err);
1158     }
1159     hmp_handle_error(mon, &err);
1160     qapi_free_QKeyCodeList(head);
1161 }
1162
1163 void hmp_screen_dump(Monitor *mon, const QDict *qdict)
1164 {
1165     const char *filename = qdict_get_str(qdict, "filename");
1166     Error *err = NULL;
1167
1168     qmp_screendump(filename, &err);
1169     hmp_handle_error(mon, &err);
1170 }