1 /* 2 * HMP commands related to migration 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 "qemu/osdep.h" 17 #include "block/qapi.h" 18 #include "migration/snapshot.h" 19 #include "monitor/hmp.h" 20 #include "monitor/monitor.h" 21 #include "qapi/error.h" 22 #include "qapi/qapi-commands-migration.h" 23 #include "qapi/qapi-visit-migration.h" 24 #include "qobject/qdict.h" 25 #include "qapi/string-input-visitor.h" 26 #include "qapi/string-output-visitor.h" 27 #include "qemu/cutils.h" 28 #include "qemu/error-report.h" 29 #include "qemu/sockets.h" 30 #include "system/runstate.h" 31 #include "ui/qemu-spice.h" 32 #include "system/system.h" 33 #include "options.h" 34 #include "migration.h" 35 36 static void migration_global_dump(Monitor *mon) 37 { 38 MigrationState *ms = migrate_get_current(); 39 40 monitor_printf(mon, "globals:\n"); 41 monitor_printf(mon, "store-global-state: %s\n", 42 ms->store_global_state ? "on" : "off"); 43 monitor_printf(mon, "only-migratable: %s\n", 44 only_migratable ? "on" : "off"); 45 monitor_printf(mon, "send-configuration: %s\n", 46 ms->send_configuration ? "on" : "off"); 47 monitor_printf(mon, "send-section-footer: %s\n", 48 ms->send_section_footer ? "on" : "off"); 49 monitor_printf(mon, "send-switchover-start: %s\n", 50 ms->send_switchover_start ? "on" : "off"); 51 monitor_printf(mon, "clear-bitmap-shift: %u\n", 52 ms->clear_bitmap_shift); 53 } 54 55 void hmp_info_migrate(Monitor *mon, const QDict *qdict) 56 { 57 MigrationInfo *info; 58 59 info = qmp_query_migrate(NULL); 60 61 migration_global_dump(mon); 62 63 if (info->blocked_reasons) { 64 strList *reasons = info->blocked_reasons; 65 monitor_printf(mon, "Outgoing migration blocked:\n"); 66 while (reasons) { 67 monitor_printf(mon, " %s\n", reasons->value); 68 reasons = reasons->next; 69 } 70 } 71 72 if (info->has_status) { 73 monitor_printf(mon, "Migration status: %s", 74 MigrationStatus_str(info->status)); 75 if (info->status == MIGRATION_STATUS_FAILED && info->error_desc) { 76 monitor_printf(mon, " (%s)\n", info->error_desc); 77 } else { 78 monitor_printf(mon, "\n"); 79 } 80 81 monitor_printf(mon, "total time: %" PRIu64 " ms\n", 82 info->total_time); 83 if (info->has_expected_downtime) { 84 monitor_printf(mon, "expected downtime: %" PRIu64 " ms\n", 85 info->expected_downtime); 86 } 87 if (info->has_downtime) { 88 monitor_printf(mon, "downtime: %" PRIu64 " ms\n", 89 info->downtime); 90 } 91 if (info->has_setup_time) { 92 monitor_printf(mon, "setup: %" PRIu64 " ms\n", 93 info->setup_time); 94 } 95 } 96 97 if (info->ram) { 98 monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n", 99 info->ram->transferred >> 10); 100 monitor_printf(mon, "throughput: %0.2f mbps\n", 101 info->ram->mbps); 102 monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n", 103 info->ram->remaining >> 10); 104 monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n", 105 info->ram->total >> 10); 106 monitor_printf(mon, "duplicate: %" PRIu64 " pages\n", 107 info->ram->duplicate); 108 monitor_printf(mon, "normal: %" PRIu64 " pages\n", 109 info->ram->normal); 110 monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n", 111 info->ram->normal_bytes >> 10); 112 monitor_printf(mon, "dirty sync count: %" PRIu64 "\n", 113 info->ram->dirty_sync_count); 114 monitor_printf(mon, "page size: %" PRIu64 " kbytes\n", 115 info->ram->page_size >> 10); 116 monitor_printf(mon, "multifd bytes: %" PRIu64 " kbytes\n", 117 info->ram->multifd_bytes >> 10); 118 monitor_printf(mon, "pages-per-second: %" PRIu64 "\n", 119 info->ram->pages_per_second); 120 121 if (info->ram->dirty_pages_rate) { 122 monitor_printf(mon, "dirty pages rate: %" PRIu64 " pages\n", 123 info->ram->dirty_pages_rate); 124 } 125 if (info->ram->postcopy_requests) { 126 monitor_printf(mon, "postcopy request count: %" PRIu64 "\n", 127 info->ram->postcopy_requests); 128 } 129 if (info->ram->precopy_bytes) { 130 monitor_printf(mon, "precopy ram: %" PRIu64 " kbytes\n", 131 info->ram->precopy_bytes >> 10); 132 } 133 if (info->ram->downtime_bytes) { 134 monitor_printf(mon, "downtime ram: %" PRIu64 " kbytes\n", 135 info->ram->downtime_bytes >> 10); 136 } 137 if (info->ram->postcopy_bytes) { 138 monitor_printf(mon, "postcopy ram: %" PRIu64 " kbytes\n", 139 info->ram->postcopy_bytes >> 10); 140 } 141 if (info->ram->dirty_sync_missed_zero_copy) { 142 monitor_printf(mon, 143 "Zero-copy-send fallbacks happened: %" PRIu64 " times\n", 144 info->ram->dirty_sync_missed_zero_copy); 145 } 146 } 147 148 if (info->xbzrle_cache) { 149 monitor_printf(mon, "cache size: %" PRIu64 " bytes\n", 150 info->xbzrle_cache->cache_size); 151 monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n", 152 info->xbzrle_cache->bytes >> 10); 153 monitor_printf(mon, "xbzrle pages: %" PRIu64 " pages\n", 154 info->xbzrle_cache->pages); 155 monitor_printf(mon, "xbzrle cache miss: %" PRIu64 " pages\n", 156 info->xbzrle_cache->cache_miss); 157 monitor_printf(mon, "xbzrle cache miss rate: %0.2f\n", 158 info->xbzrle_cache->cache_miss_rate); 159 monitor_printf(mon, "xbzrle encoding rate: %0.2f\n", 160 info->xbzrle_cache->encoding_rate); 161 monitor_printf(mon, "xbzrle overflow: %" PRIu64 "\n", 162 info->xbzrle_cache->overflow); 163 } 164 165 if (info->has_cpu_throttle_percentage) { 166 monitor_printf(mon, "cpu throttle percentage: %" PRIu64 "\n", 167 info->cpu_throttle_percentage); 168 } 169 170 if (info->has_dirty_limit_throttle_time_per_round) { 171 monitor_printf(mon, "dirty-limit throttle time: %" PRIu64 " us\n", 172 info->dirty_limit_throttle_time_per_round); 173 } 174 175 if (info->has_dirty_limit_ring_full_time) { 176 monitor_printf(mon, "dirty-limit ring full time: %" PRIu64 " us\n", 177 info->dirty_limit_ring_full_time); 178 } 179 180 if (info->has_postcopy_blocktime) { 181 monitor_printf(mon, "postcopy blocktime: %u\n", 182 info->postcopy_blocktime); 183 } 184 185 if (info->has_postcopy_vcpu_blocktime) { 186 Visitor *v; 187 char *str; 188 v = string_output_visitor_new(false, &str); 189 visit_type_uint32List(v, NULL, &info->postcopy_vcpu_blocktime, 190 &error_abort); 191 visit_complete(v, &str); 192 monitor_printf(mon, "postcopy vcpu blocktime: %s\n", str); 193 g_free(str); 194 visit_free(v); 195 } 196 if (info->has_socket_address) { 197 SocketAddressList *addr; 198 199 monitor_printf(mon, "socket address: [\n"); 200 201 for (addr = info->socket_address; addr; addr = addr->next) { 202 char *s = socket_uri(addr->value); 203 monitor_printf(mon, "\t%s\n", s); 204 g_free(s); 205 } 206 monitor_printf(mon, "]\n"); 207 } 208 209 if (info->vfio) { 210 monitor_printf(mon, "vfio device transferred: %" PRIu64 " kbytes\n", 211 info->vfio->transferred >> 10); 212 } 213 214 qapi_free_MigrationInfo(info); 215 } 216 217 void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict) 218 { 219 MigrationCapabilityStatusList *caps, *cap; 220 221 caps = qmp_query_migrate_capabilities(NULL); 222 223 if (caps) { 224 for (cap = caps; cap; cap = cap->next) { 225 monitor_printf(mon, "%s: %s\n", 226 MigrationCapability_str(cap->value->capability), 227 cap->value->state ? "on" : "off"); 228 } 229 } 230 231 qapi_free_MigrationCapabilityStatusList(caps); 232 } 233 234 void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict) 235 { 236 MigrationParameters *params; 237 238 params = qmp_query_migrate_parameters(NULL); 239 240 if (params) { 241 monitor_printf(mon, "%s: %" PRIu64 " ms\n", 242 MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_INITIAL), 243 params->announce_initial); 244 monitor_printf(mon, "%s: %" PRIu64 " ms\n", 245 MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_MAX), 246 params->announce_max); 247 monitor_printf(mon, "%s: %" PRIu64 "\n", 248 MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_ROUNDS), 249 params->announce_rounds); 250 monitor_printf(mon, "%s: %" PRIu64 " ms\n", 251 MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_STEP), 252 params->announce_step); 253 assert(params->has_throttle_trigger_threshold); 254 monitor_printf(mon, "%s: %u\n", 255 MigrationParameter_str(MIGRATION_PARAMETER_THROTTLE_TRIGGER_THRESHOLD), 256 params->throttle_trigger_threshold); 257 assert(params->has_cpu_throttle_initial); 258 monitor_printf(mon, "%s: %u\n", 259 MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL), 260 params->cpu_throttle_initial); 261 assert(params->has_cpu_throttle_increment); 262 monitor_printf(mon, "%s: %u\n", 263 MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT), 264 params->cpu_throttle_increment); 265 assert(params->has_cpu_throttle_tailslow); 266 monitor_printf(mon, "%s: %s\n", 267 MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_TAILSLOW), 268 params->cpu_throttle_tailslow ? "on" : "off"); 269 assert(params->has_max_cpu_throttle); 270 monitor_printf(mon, "%s: %u\n", 271 MigrationParameter_str(MIGRATION_PARAMETER_MAX_CPU_THROTTLE), 272 params->max_cpu_throttle); 273 assert(params->tls_creds); 274 monitor_printf(mon, "%s: '%s'\n", 275 MigrationParameter_str(MIGRATION_PARAMETER_TLS_CREDS), 276 params->tls_creds); 277 assert(params->tls_hostname); 278 monitor_printf(mon, "%s: '%s'\n", 279 MigrationParameter_str(MIGRATION_PARAMETER_TLS_HOSTNAME), 280 params->tls_hostname); 281 assert(params->has_max_bandwidth); 282 monitor_printf(mon, "%s: %" PRIu64 " bytes/second\n", 283 MigrationParameter_str(MIGRATION_PARAMETER_MAX_BANDWIDTH), 284 params->max_bandwidth); 285 assert(params->has_avail_switchover_bandwidth); 286 monitor_printf(mon, "%s: %" PRIu64 " bytes/second\n", 287 MigrationParameter_str(MIGRATION_PARAMETER_AVAIL_SWITCHOVER_BANDWIDTH), 288 params->avail_switchover_bandwidth); 289 assert(params->has_downtime_limit); 290 monitor_printf(mon, "%s: %" PRIu64 " ms\n", 291 MigrationParameter_str(MIGRATION_PARAMETER_DOWNTIME_LIMIT), 292 params->downtime_limit); 293 assert(params->has_x_checkpoint_delay); 294 monitor_printf(mon, "%s: %u ms\n", 295 MigrationParameter_str(MIGRATION_PARAMETER_X_CHECKPOINT_DELAY), 296 params->x_checkpoint_delay); 297 monitor_printf(mon, "%s: %u\n", 298 MigrationParameter_str(MIGRATION_PARAMETER_MULTIFD_CHANNELS), 299 params->multifd_channels); 300 monitor_printf(mon, "%s: %s\n", 301 MigrationParameter_str(MIGRATION_PARAMETER_MULTIFD_COMPRESSION), 302 MultiFDCompression_str(params->multifd_compression)); 303 assert(params->has_zero_page_detection); 304 monitor_printf(mon, "%s: %s\n", 305 MigrationParameter_str(MIGRATION_PARAMETER_ZERO_PAGE_DETECTION), 306 qapi_enum_lookup(&ZeroPageDetection_lookup, 307 params->zero_page_detection)); 308 monitor_printf(mon, "%s: %" PRIu64 " bytes\n", 309 MigrationParameter_str(MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE), 310 params->xbzrle_cache_size); 311 monitor_printf(mon, "%s: %" PRIu64 "\n", 312 MigrationParameter_str(MIGRATION_PARAMETER_MAX_POSTCOPY_BANDWIDTH), 313 params->max_postcopy_bandwidth); 314 monitor_printf(mon, "%s: '%s'\n", 315 MigrationParameter_str(MIGRATION_PARAMETER_TLS_AUTHZ), 316 params->tls_authz); 317 318 if (params->has_block_bitmap_mapping) { 319 const BitmapMigrationNodeAliasList *bmnal; 320 321 monitor_printf(mon, "%s:\n", 322 MigrationParameter_str( 323 MIGRATION_PARAMETER_BLOCK_BITMAP_MAPPING)); 324 325 for (bmnal = params->block_bitmap_mapping; 326 bmnal; 327 bmnal = bmnal->next) 328 { 329 const BitmapMigrationNodeAlias *bmna = bmnal->value; 330 const BitmapMigrationBitmapAliasList *bmbal; 331 332 monitor_printf(mon, " '%s' -> '%s'\n", 333 bmna->node_name, bmna->alias); 334 335 for (bmbal = bmna->bitmaps; bmbal; bmbal = bmbal->next) { 336 const BitmapMigrationBitmapAlias *bmba = bmbal->value; 337 338 monitor_printf(mon, " '%s' -> '%s'\n", 339 bmba->name, bmba->alias); 340 } 341 } 342 } 343 344 monitor_printf(mon, "%s: %" PRIu64 " ms\n", 345 MigrationParameter_str(MIGRATION_PARAMETER_X_VCPU_DIRTY_LIMIT_PERIOD), 346 params->x_vcpu_dirty_limit_period); 347 348 monitor_printf(mon, "%s: %" PRIu64 " MB/s\n", 349 MigrationParameter_str(MIGRATION_PARAMETER_VCPU_DIRTY_LIMIT), 350 params->vcpu_dirty_limit); 351 352 assert(params->has_mode); 353 monitor_printf(mon, "%s: %s\n", 354 MigrationParameter_str(MIGRATION_PARAMETER_MODE), 355 qapi_enum_lookup(&MigMode_lookup, params->mode)); 356 357 if (params->has_direct_io) { 358 monitor_printf(mon, "%s: %s\n", 359 MigrationParameter_str( 360 MIGRATION_PARAMETER_DIRECT_IO), 361 params->direct_io ? "on" : "off"); 362 } 363 } 364 365 qapi_free_MigrationParameters(params); 366 } 367 368 void hmp_loadvm(Monitor *mon, const QDict *qdict) 369 { 370 RunState saved_state = runstate_get(); 371 372 const char *name = qdict_get_str(qdict, "name"); 373 Error *err = NULL; 374 375 vm_stop(RUN_STATE_RESTORE_VM); 376 377 if (load_snapshot(name, NULL, false, NULL, &err)) { 378 load_snapshot_resume(saved_state); 379 } 380 381 hmp_handle_error(mon, err); 382 } 383 384 void hmp_savevm(Monitor *mon, const QDict *qdict) 385 { 386 Error *err = NULL; 387 388 save_snapshot(qdict_get_try_str(qdict, "name"), 389 true, NULL, false, NULL, &err); 390 hmp_handle_error(mon, err); 391 } 392 393 void hmp_delvm(Monitor *mon, const QDict *qdict) 394 { 395 Error *err = NULL; 396 const char *name = qdict_get_str(qdict, "name"); 397 398 delete_snapshot(name, false, NULL, &err); 399 hmp_handle_error(mon, err); 400 } 401 402 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict) 403 { 404 qmp_migrate_cancel(NULL); 405 } 406 407 void hmp_migrate_continue(Monitor *mon, const QDict *qdict) 408 { 409 Error *err = NULL; 410 const char *state = qdict_get_str(qdict, "state"); 411 int val = qapi_enum_parse(&MigrationStatus_lookup, state, -1, &err); 412 413 if (val >= 0) { 414 qmp_migrate_continue(val, &err); 415 } 416 417 hmp_handle_error(mon, err); 418 } 419 420 void hmp_migrate_incoming(Monitor *mon, const QDict *qdict) 421 { 422 Error *err = NULL; 423 const char *uri = qdict_get_str(qdict, "uri"); 424 MigrationChannelList *caps = NULL; 425 g_autoptr(MigrationChannel) channel = NULL; 426 427 if (!migrate_uri_parse(uri, &channel, &err)) { 428 goto end; 429 } 430 QAPI_LIST_PREPEND(caps, g_steal_pointer(&channel)); 431 432 qmp_migrate_incoming(NULL, true, caps, true, false, &err); 433 qapi_free_MigrationChannelList(caps); 434 435 end: 436 hmp_handle_error(mon, err); 437 } 438 439 void hmp_migrate_recover(Monitor *mon, const QDict *qdict) 440 { 441 Error *err = NULL; 442 const char *uri = qdict_get_str(qdict, "uri"); 443 444 qmp_migrate_recover(uri, &err); 445 446 hmp_handle_error(mon, err); 447 } 448 449 void hmp_migrate_pause(Monitor *mon, const QDict *qdict) 450 { 451 Error *err = NULL; 452 453 qmp_migrate_pause(&err); 454 455 hmp_handle_error(mon, err); 456 } 457 458 459 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict) 460 { 461 const char *cap = qdict_get_str(qdict, "capability"); 462 bool state = qdict_get_bool(qdict, "state"); 463 Error *err = NULL; 464 MigrationCapabilityStatusList *caps = NULL; 465 MigrationCapabilityStatus *value; 466 int val; 467 468 val = qapi_enum_parse(&MigrationCapability_lookup, cap, -1, &err); 469 if (val < 0) { 470 goto end; 471 } 472 473 value = g_malloc0(sizeof(*value)); 474 value->capability = val; 475 value->state = state; 476 QAPI_LIST_PREPEND(caps, value); 477 qmp_migrate_set_capabilities(caps, &err); 478 qapi_free_MigrationCapabilityStatusList(caps); 479 480 end: 481 hmp_handle_error(mon, err); 482 } 483 484 void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) 485 { 486 const char *param = qdict_get_str(qdict, "parameter"); 487 const char *valuestr = qdict_get_str(qdict, "value"); 488 Visitor *v = string_input_visitor_new(valuestr); 489 MigrateSetParameters *p = g_new0(MigrateSetParameters, 1); 490 uint64_t valuebw = 0; 491 uint64_t cache_size; 492 Error *err = NULL; 493 int val, ret; 494 495 val = qapi_enum_parse(&MigrationParameter_lookup, param, -1, &err); 496 if (val < 0) { 497 goto cleanup; 498 } 499 500 switch (val) { 501 case MIGRATION_PARAMETER_THROTTLE_TRIGGER_THRESHOLD: 502 p->has_throttle_trigger_threshold = true; 503 visit_type_uint8(v, param, &p->throttle_trigger_threshold, &err); 504 break; 505 case MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL: 506 p->has_cpu_throttle_initial = true; 507 visit_type_uint8(v, param, &p->cpu_throttle_initial, &err); 508 break; 509 case MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT: 510 p->has_cpu_throttle_increment = true; 511 visit_type_uint8(v, param, &p->cpu_throttle_increment, &err); 512 break; 513 case MIGRATION_PARAMETER_CPU_THROTTLE_TAILSLOW: 514 p->has_cpu_throttle_tailslow = true; 515 visit_type_bool(v, param, &p->cpu_throttle_tailslow, &err); 516 break; 517 case MIGRATION_PARAMETER_MAX_CPU_THROTTLE: 518 p->has_max_cpu_throttle = true; 519 visit_type_uint8(v, param, &p->max_cpu_throttle, &err); 520 break; 521 case MIGRATION_PARAMETER_TLS_CREDS: 522 p->tls_creds = g_new0(StrOrNull, 1); 523 p->tls_creds->type = QTYPE_QSTRING; 524 visit_type_str(v, param, &p->tls_creds->u.s, &err); 525 break; 526 case MIGRATION_PARAMETER_TLS_HOSTNAME: 527 p->tls_hostname = g_new0(StrOrNull, 1); 528 p->tls_hostname->type = QTYPE_QSTRING; 529 visit_type_str(v, param, &p->tls_hostname->u.s, &err); 530 break; 531 case MIGRATION_PARAMETER_TLS_AUTHZ: 532 p->tls_authz = g_new0(StrOrNull, 1); 533 p->tls_authz->type = QTYPE_QSTRING; 534 visit_type_str(v, param, &p->tls_authz->u.s, &err); 535 break; 536 case MIGRATION_PARAMETER_MAX_BANDWIDTH: 537 p->has_max_bandwidth = true; 538 /* 539 * Can't use visit_type_size() here, because it 540 * defaults to Bytes rather than Mebibytes. 541 */ 542 ret = qemu_strtosz_MiB(valuestr, NULL, &valuebw); 543 if (ret < 0 || valuebw > INT64_MAX 544 || (size_t)valuebw != valuebw) { 545 error_setg(&err, "Invalid size %s", valuestr); 546 break; 547 } 548 p->max_bandwidth = valuebw; 549 break; 550 case MIGRATION_PARAMETER_AVAIL_SWITCHOVER_BANDWIDTH: 551 p->has_avail_switchover_bandwidth = true; 552 ret = qemu_strtosz_MiB(valuestr, NULL, &valuebw); 553 if (ret < 0 || valuebw > INT64_MAX 554 || (size_t)valuebw != valuebw) { 555 error_setg(&err, "Invalid size %s", valuestr); 556 break; 557 } 558 p->avail_switchover_bandwidth = valuebw; 559 break; 560 case MIGRATION_PARAMETER_DOWNTIME_LIMIT: 561 p->has_downtime_limit = true; 562 visit_type_size(v, param, &p->downtime_limit, &err); 563 break; 564 case MIGRATION_PARAMETER_X_CHECKPOINT_DELAY: 565 p->has_x_checkpoint_delay = true; 566 visit_type_uint32(v, param, &p->x_checkpoint_delay, &err); 567 break; 568 case MIGRATION_PARAMETER_MULTIFD_CHANNELS: 569 p->has_multifd_channels = true; 570 visit_type_uint8(v, param, &p->multifd_channels, &err); 571 break; 572 case MIGRATION_PARAMETER_MULTIFD_COMPRESSION: 573 p->has_multifd_compression = true; 574 visit_type_MultiFDCompression(v, param, &p->multifd_compression, 575 &err); 576 break; 577 case MIGRATION_PARAMETER_MULTIFD_ZLIB_LEVEL: 578 p->has_multifd_zlib_level = true; 579 visit_type_uint8(v, param, &p->multifd_zlib_level, &err); 580 break; 581 case MIGRATION_PARAMETER_MULTIFD_QATZIP_LEVEL: 582 p->has_multifd_qatzip_level = true; 583 visit_type_uint8(v, param, &p->multifd_qatzip_level, &err); 584 break; 585 case MIGRATION_PARAMETER_MULTIFD_ZSTD_LEVEL: 586 p->has_multifd_zstd_level = true; 587 visit_type_uint8(v, param, &p->multifd_zstd_level, &err); 588 break; 589 case MIGRATION_PARAMETER_ZERO_PAGE_DETECTION: 590 p->has_zero_page_detection = true; 591 visit_type_ZeroPageDetection(v, param, &p->zero_page_detection, &err); 592 break; 593 case MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE: 594 p->has_xbzrle_cache_size = true; 595 if (!visit_type_size(v, param, &cache_size, &err)) { 596 break; 597 } 598 if (cache_size > INT64_MAX || (size_t)cache_size != cache_size) { 599 error_setg(&err, "Invalid size %s", valuestr); 600 break; 601 } 602 p->xbzrle_cache_size = cache_size; 603 break; 604 case MIGRATION_PARAMETER_MAX_POSTCOPY_BANDWIDTH: 605 p->has_max_postcopy_bandwidth = true; 606 visit_type_size(v, param, &p->max_postcopy_bandwidth, &err); 607 break; 608 case MIGRATION_PARAMETER_ANNOUNCE_INITIAL: 609 p->has_announce_initial = true; 610 visit_type_size(v, param, &p->announce_initial, &err); 611 break; 612 case MIGRATION_PARAMETER_ANNOUNCE_MAX: 613 p->has_announce_max = true; 614 visit_type_size(v, param, &p->announce_max, &err); 615 break; 616 case MIGRATION_PARAMETER_ANNOUNCE_ROUNDS: 617 p->has_announce_rounds = true; 618 visit_type_size(v, param, &p->announce_rounds, &err); 619 break; 620 case MIGRATION_PARAMETER_ANNOUNCE_STEP: 621 p->has_announce_step = true; 622 visit_type_size(v, param, &p->announce_step, &err); 623 break; 624 case MIGRATION_PARAMETER_BLOCK_BITMAP_MAPPING: 625 error_setg(&err, "The block-bitmap-mapping parameter can only be set " 626 "through QMP"); 627 break; 628 case MIGRATION_PARAMETER_X_VCPU_DIRTY_LIMIT_PERIOD: 629 p->has_x_vcpu_dirty_limit_period = true; 630 visit_type_size(v, param, &p->x_vcpu_dirty_limit_period, &err); 631 break; 632 case MIGRATION_PARAMETER_VCPU_DIRTY_LIMIT: 633 p->has_vcpu_dirty_limit = true; 634 visit_type_size(v, param, &p->vcpu_dirty_limit, &err); 635 break; 636 case MIGRATION_PARAMETER_MODE: 637 p->has_mode = true; 638 visit_type_MigMode(v, param, &p->mode, &err); 639 break; 640 case MIGRATION_PARAMETER_DIRECT_IO: 641 p->has_direct_io = true; 642 visit_type_bool(v, param, &p->direct_io, &err); 643 break; 644 default: 645 g_assert_not_reached(); 646 } 647 648 if (err) { 649 goto cleanup; 650 } 651 652 qmp_migrate_set_parameters(p, &err); 653 654 cleanup: 655 qapi_free_MigrateSetParameters(p); 656 visit_free(v); 657 hmp_handle_error(mon, err); 658 } 659 660 void hmp_migrate_start_postcopy(Monitor *mon, const QDict *qdict) 661 { 662 Error *err = NULL; 663 qmp_migrate_start_postcopy(&err); 664 hmp_handle_error(mon, err); 665 } 666 667 #ifdef CONFIG_REPLICATION 668 void hmp_x_colo_lost_heartbeat(Monitor *mon, const QDict *qdict) 669 { 670 Error *err = NULL; 671 672 qmp_x_colo_lost_heartbeat(&err); 673 hmp_handle_error(mon, err); 674 } 675 #endif 676 677 typedef struct HMPMigrationStatus { 678 QEMUTimer *timer; 679 Monitor *mon; 680 } HMPMigrationStatus; 681 682 static void hmp_migrate_status_cb(void *opaque) 683 { 684 HMPMigrationStatus *status = opaque; 685 MigrationInfo *info; 686 687 info = qmp_query_migrate(NULL); 688 if (!info->has_status || info->status == MIGRATION_STATUS_ACTIVE || 689 info->status == MIGRATION_STATUS_SETUP) { 690 timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); 691 } else { 692 if (info->error_desc) { 693 error_report("%s", info->error_desc); 694 } 695 monitor_resume(status->mon); 696 timer_free(status->timer); 697 g_free(status); 698 } 699 700 qapi_free_MigrationInfo(info); 701 } 702 703 void hmp_migrate(Monitor *mon, const QDict *qdict) 704 { 705 bool detach = qdict_get_try_bool(qdict, "detach", false); 706 bool resume = qdict_get_try_bool(qdict, "resume", false); 707 const char *uri = qdict_get_str(qdict, "uri"); 708 Error *err = NULL; 709 g_autoptr(MigrationChannelList) caps = NULL; 710 g_autoptr(MigrationChannel) channel = NULL; 711 712 if (!migrate_uri_parse(uri, &channel, &err)) { 713 hmp_handle_error(mon, err); 714 return; 715 } 716 QAPI_LIST_PREPEND(caps, g_steal_pointer(&channel)); 717 718 qmp_migrate(NULL, true, caps, false, false, true, resume, &err); 719 if (hmp_handle_error(mon, err)) { 720 return; 721 } 722 723 if (!detach) { 724 HMPMigrationStatus *status; 725 726 if (monitor_suspend(mon) < 0) { 727 monitor_printf(mon, "terminal does not allow synchronous " 728 "migration, continuing detached\n"); 729 return; 730 } 731 732 status = g_malloc0(sizeof(*status)); 733 status->mon = mon; 734 status->timer = timer_new_ms(QEMU_CLOCK_REALTIME, hmp_migrate_status_cb, 735 status); 736 timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); 737 } 738 } 739 740 void migrate_set_capability_completion(ReadLineState *rs, int nb_args, 741 const char *str) 742 { 743 size_t len; 744 745 len = strlen(str); 746 readline_set_completion_index(rs, len); 747 if (nb_args == 2) { 748 int i; 749 for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { 750 readline_add_completion_of(rs, str, MigrationCapability_str(i)); 751 } 752 } else if (nb_args == 3) { 753 readline_add_completion_of(rs, str, "on"); 754 readline_add_completion_of(rs, str, "off"); 755 } 756 } 757 758 void migrate_set_parameter_completion(ReadLineState *rs, int nb_args, 759 const char *str) 760 { 761 size_t len; 762 763 len = strlen(str); 764 readline_set_completion_index(rs, len); 765 if (nb_args == 2) { 766 int i; 767 for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) { 768 readline_add_completion_of(rs, str, MigrationParameter_str(i)); 769 } 770 } 771 } 772 773 static void vm_completion(ReadLineState *rs, const char *str) 774 { 775 size_t len; 776 BlockDriverState *bs; 777 BdrvNextIterator it; 778 779 GRAPH_RDLOCK_GUARD_MAINLOOP(); 780 781 len = strlen(str); 782 readline_set_completion_index(rs, len); 783 784 for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { 785 SnapshotInfoList *snapshots, *snapshot; 786 bool ok = false; 787 788 if (bdrv_can_snapshot(bs)) { 789 ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0; 790 } 791 if (!ok) { 792 continue; 793 } 794 795 snapshot = snapshots; 796 while (snapshot) { 797 readline_add_completion_of(rs, str, snapshot->value->name); 798 readline_add_completion_of(rs, str, snapshot->value->id); 799 snapshot = snapshot->next; 800 } 801 qapi_free_SnapshotInfoList(snapshots); 802 } 803 804 } 805 806 void delvm_completion(ReadLineState *rs, int nb_args, const char *str) 807 { 808 if (nb_args == 2) { 809 vm_completion(rs, str); 810 } 811 } 812 813 void loadvm_completion(ReadLineState *rs, int nb_args, const char *str) 814 { 815 if (nb_args == 2) { 816 vm_completion(rs, str); 817 } 818 } 819