| /* |
| * HMP commands related to migration |
| * |
| * Copyright IBM, Corp. 2011 |
| * |
| * Authors: |
| * Anthony Liguori <aliguori@us.ibm.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2. See |
| * the COPYING file in the top-level directory. |
| * |
| * Contributions after 2012-01-13 are licensed under the terms of the |
| * GNU GPL, version 2 or (at your option) any later version. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "block/qapi.h" |
| #include "migration/snapshot.h" |
| #include "monitor/hmp.h" |
| #include "monitor/monitor.h" |
| #include "qapi/error.h" |
| #include "qapi/qapi-commands-migration.h" |
| #include "qapi/qapi-visit-migration.h" |
| #include "qapi/qmp/qdict.h" |
| #include "qapi/string-input-visitor.h" |
| #include "qapi/string-output-visitor.h" |
| #include "qemu/cutils.h" |
| #include "qemu/error-report.h" |
| #include "qemu/sockets.h" |
| #include "sysemu/runstate.h" |
| #include "ui/qemu-spice.h" |
| #include "sysemu/sysemu.h" |
| #include "options.h" |
| #include "migration.h" |
| |
| static void migration_global_dump(Monitor *mon) |
| { |
| MigrationState *ms = migrate_get_current(); |
| |
| monitor_printf(mon, "globals:\n"); |
| monitor_printf(mon, "store-global-state: %s\n", |
| ms->store_global_state ? "on" : "off"); |
| monitor_printf(mon, "only-migratable: %s\n", |
| only_migratable ? "on" : "off"); |
| monitor_printf(mon, "send-configuration: %s\n", |
| ms->send_configuration ? "on" : "off"); |
| monitor_printf(mon, "send-section-footer: %s\n", |
| ms->send_section_footer ? "on" : "off"); |
| monitor_printf(mon, "decompress-error-check: %s\n", |
| ms->decompress_error_check ? "on" : "off"); |
| monitor_printf(mon, "clear-bitmap-shift: %u\n", |
| ms->clear_bitmap_shift); |
| } |
| |
| void hmp_info_migrate(Monitor *mon, const QDict *qdict) |
| { |
| MigrationInfo *info; |
| |
| info = qmp_query_migrate(NULL); |
| |
| migration_global_dump(mon); |
| |
| if (info->blocked_reasons) { |
| strList *reasons = info->blocked_reasons; |
| monitor_printf(mon, "Outgoing migration blocked:\n"); |
| while (reasons) { |
| monitor_printf(mon, " %s\n", reasons->value); |
| reasons = reasons->next; |
| } |
| } |
| |
| if (info->has_status) { |
| monitor_printf(mon, "Migration status: %s", |
| MigrationStatus_str(info->status)); |
| if (info->status == MIGRATION_STATUS_FAILED && info->error_desc) { |
| monitor_printf(mon, " (%s)\n", info->error_desc); |
| } else { |
| monitor_printf(mon, "\n"); |
| } |
| |
| monitor_printf(mon, "total time: %" PRIu64 " ms\n", |
| info->total_time); |
| if (info->has_expected_downtime) { |
| monitor_printf(mon, "expected downtime: %" PRIu64 " ms\n", |
| info->expected_downtime); |
| } |
| if (info->has_downtime) { |
| monitor_printf(mon, "downtime: %" PRIu64 " ms\n", |
| info->downtime); |
| } |
| if (info->has_setup_time) { |
| monitor_printf(mon, "setup: %" PRIu64 " ms\n", |
| info->setup_time); |
| } |
| } |
| |
| if (info->ram) { |
| monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n", |
| info->ram->transferred >> 10); |
| monitor_printf(mon, "throughput: %0.2f mbps\n", |
| info->ram->mbps); |
| monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n", |
| info->ram->remaining >> 10); |
| monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n", |
| info->ram->total >> 10); |
| monitor_printf(mon, "duplicate: %" PRIu64 " pages\n", |
| info->ram->duplicate); |
| monitor_printf(mon, "skipped: %" PRIu64 " pages\n", |
| info->ram->skipped); |
| monitor_printf(mon, "normal: %" PRIu64 " pages\n", |
| info->ram->normal); |
| monitor_printf(mon, "normal bytes: %" PRIu64 " kbytes\n", |
| info->ram->normal_bytes >> 10); |
| monitor_printf(mon, "dirty sync count: %" PRIu64 "\n", |
| info->ram->dirty_sync_count); |
| monitor_printf(mon, "page size: %" PRIu64 " kbytes\n", |
| info->ram->page_size >> 10); |
| monitor_printf(mon, "multifd bytes: %" PRIu64 " kbytes\n", |
| info->ram->multifd_bytes >> 10); |
| monitor_printf(mon, "pages-per-second: %" PRIu64 "\n", |
| info->ram->pages_per_second); |
| |
| if (info->ram->dirty_pages_rate) { |
| monitor_printf(mon, "dirty pages rate: %" PRIu64 " pages\n", |
| info->ram->dirty_pages_rate); |
| } |
| if (info->ram->postcopy_requests) { |
| monitor_printf(mon, "postcopy request count: %" PRIu64 "\n", |
| info->ram->postcopy_requests); |
| } |
| if (info->ram->precopy_bytes) { |
| monitor_printf(mon, "precopy ram: %" PRIu64 " kbytes\n", |
| info->ram->precopy_bytes >> 10); |
| } |
| if (info->ram->downtime_bytes) { |
| monitor_printf(mon, "downtime ram: %" PRIu64 " kbytes\n", |
| info->ram->downtime_bytes >> 10); |
| } |
| if (info->ram->postcopy_bytes) { |
| monitor_printf(mon, "postcopy ram: %" PRIu64 " kbytes\n", |
| info->ram->postcopy_bytes >> 10); |
| } |
| if (info->ram->dirty_sync_missed_zero_copy) { |
| monitor_printf(mon, |
| "Zero-copy-send fallbacks happened: %" PRIu64 " times\n", |
| info->ram->dirty_sync_missed_zero_copy); |
| } |
| } |
| |
| if (info->disk) { |
| monitor_printf(mon, "transferred disk: %" PRIu64 " kbytes\n", |
| info->disk->transferred >> 10); |
| monitor_printf(mon, "remaining disk: %" PRIu64 " kbytes\n", |
| info->disk->remaining >> 10); |
| monitor_printf(mon, "total disk: %" PRIu64 " kbytes\n", |
| info->disk->total >> 10); |
| } |
| |
| if (info->xbzrle_cache) { |
| monitor_printf(mon, "cache size: %" PRIu64 " bytes\n", |
| info->xbzrle_cache->cache_size); |
| monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n", |
| info->xbzrle_cache->bytes >> 10); |
| monitor_printf(mon, "xbzrle pages: %" PRIu64 " pages\n", |
| info->xbzrle_cache->pages); |
| monitor_printf(mon, "xbzrle cache miss: %" PRIu64 " pages\n", |
| info->xbzrle_cache->cache_miss); |
| monitor_printf(mon, "xbzrle cache miss rate: %0.2f\n", |
| info->xbzrle_cache->cache_miss_rate); |
| monitor_printf(mon, "xbzrle encoding rate: %0.2f\n", |
| info->xbzrle_cache->encoding_rate); |
| monitor_printf(mon, "xbzrle overflow: %" PRIu64 "\n", |
| info->xbzrle_cache->overflow); |
| } |
| |
| if (info->compression) { |
| monitor_printf(mon, "compression pages: %" PRIu64 " pages\n", |
| info->compression->pages); |
| monitor_printf(mon, "compression busy: %" PRIu64 "\n", |
| info->compression->busy); |
| monitor_printf(mon, "compression busy rate: %0.2f\n", |
| info->compression->busy_rate); |
| monitor_printf(mon, "compressed size: %" PRIu64 " kbytes\n", |
| info->compression->compressed_size >> 10); |
| monitor_printf(mon, "compression rate: %0.2f\n", |
| info->compression->compression_rate); |
| } |
| |
| if (info->has_cpu_throttle_percentage) { |
| monitor_printf(mon, "cpu throttle percentage: %" PRIu64 "\n", |
| info->cpu_throttle_percentage); |
| } |
| |
| if (info->has_dirty_limit_throttle_time_per_round) { |
| monitor_printf(mon, "dirty-limit throttle time: %" PRIu64 " us\n", |
| info->dirty_limit_throttle_time_per_round); |
| } |
| |
| if (info->has_dirty_limit_ring_full_time) { |
| monitor_printf(mon, "dirty-limit ring full time: %" PRIu64 " us\n", |
| info->dirty_limit_ring_full_time); |
| } |
| |
| if (info->has_postcopy_blocktime) { |
| monitor_printf(mon, "postcopy blocktime: %u\n", |
| info->postcopy_blocktime); |
| } |
| |
| if (info->has_postcopy_vcpu_blocktime) { |
| Visitor *v; |
| char *str; |
| v = string_output_visitor_new(false, &str); |
| visit_type_uint32List(v, NULL, &info->postcopy_vcpu_blocktime, |
| &error_abort); |
| visit_complete(v, &str); |
| monitor_printf(mon, "postcopy vcpu blocktime: %s\n", str); |
| g_free(str); |
| visit_free(v); |
| } |
| if (info->has_socket_address) { |
| SocketAddressList *addr; |
| |
| monitor_printf(mon, "socket address: [\n"); |
| |
| for (addr = info->socket_address; addr; addr = addr->next) { |
| char *s = socket_uri(addr->value); |
| monitor_printf(mon, "\t%s\n", s); |
| g_free(s); |
| } |
| monitor_printf(mon, "]\n"); |
| } |
| |
| if (info->vfio) { |
| monitor_printf(mon, "vfio device transferred: %" PRIu64 " kbytes\n", |
| info->vfio->transferred >> 10); |
| } |
| |
| qapi_free_MigrationInfo(info); |
| } |
| |
| void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict) |
| { |
| MigrationCapabilityStatusList *caps, *cap; |
| |
| caps = qmp_query_migrate_capabilities(NULL); |
| |
| if (caps) { |
| for (cap = caps; cap; cap = cap->next) { |
| monitor_printf(mon, "%s: %s\n", |
| MigrationCapability_str(cap->value->capability), |
| cap->value->state ? "on" : "off"); |
| } |
| } |
| |
| qapi_free_MigrationCapabilityStatusList(caps); |
| } |
| |
| void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict) |
| { |
| MigrationParameters *params; |
| |
| params = qmp_query_migrate_parameters(NULL); |
| |
| if (params) { |
| monitor_printf(mon, "%s: %" PRIu64 " ms\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_INITIAL), |
| params->announce_initial); |
| monitor_printf(mon, "%s: %" PRIu64 " ms\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_MAX), |
| params->announce_max); |
| monitor_printf(mon, "%s: %" PRIu64 "\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_ROUNDS), |
| params->announce_rounds); |
| monitor_printf(mon, "%s: %" PRIu64 " ms\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_ANNOUNCE_STEP), |
| params->announce_step); |
| assert(params->has_compress_level); |
| monitor_printf(mon, "%s: %u\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_COMPRESS_LEVEL), |
| params->compress_level); |
| assert(params->has_compress_threads); |
| monitor_printf(mon, "%s: %u\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_COMPRESS_THREADS), |
| params->compress_threads); |
| assert(params->has_compress_wait_thread); |
| monitor_printf(mon, "%s: %s\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_COMPRESS_WAIT_THREAD), |
| params->compress_wait_thread ? "on" : "off"); |
| assert(params->has_decompress_threads); |
| monitor_printf(mon, "%s: %u\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_DECOMPRESS_THREADS), |
| params->decompress_threads); |
| assert(params->has_throttle_trigger_threshold); |
| monitor_printf(mon, "%s: %u\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_THROTTLE_TRIGGER_THRESHOLD), |
| params->throttle_trigger_threshold); |
| assert(params->has_cpu_throttle_initial); |
| monitor_printf(mon, "%s: %u\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL), |
| params->cpu_throttle_initial); |
| assert(params->has_cpu_throttle_increment); |
| monitor_printf(mon, "%s: %u\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT), |
| params->cpu_throttle_increment); |
| assert(params->has_cpu_throttle_tailslow); |
| monitor_printf(mon, "%s: %s\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_CPU_THROTTLE_TAILSLOW), |
| params->cpu_throttle_tailslow ? "on" : "off"); |
| assert(params->has_max_cpu_throttle); |
| monitor_printf(mon, "%s: %u\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_MAX_CPU_THROTTLE), |
| params->max_cpu_throttle); |
| assert(params->tls_creds); |
| monitor_printf(mon, "%s: '%s'\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_TLS_CREDS), |
| params->tls_creds); |
| assert(params->tls_hostname); |
| monitor_printf(mon, "%s: '%s'\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_TLS_HOSTNAME), |
| params->tls_hostname); |
| assert(params->has_max_bandwidth); |
| monitor_printf(mon, "%s: %" PRIu64 " bytes/second\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_MAX_BANDWIDTH), |
| params->max_bandwidth); |
| assert(params->has_avail_switchover_bandwidth); |
| monitor_printf(mon, "%s: %" PRIu64 " bytes/second\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_AVAIL_SWITCHOVER_BANDWIDTH), |
| params->avail_switchover_bandwidth); |
| assert(params->has_downtime_limit); |
| monitor_printf(mon, "%s: %" PRIu64 " ms\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_DOWNTIME_LIMIT), |
| params->downtime_limit); |
| assert(params->has_x_checkpoint_delay); |
| monitor_printf(mon, "%s: %u ms\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_X_CHECKPOINT_DELAY), |
| params->x_checkpoint_delay); |
| assert(params->has_block_incremental); |
| monitor_printf(mon, "%s: %s\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_BLOCK_INCREMENTAL), |
| params->block_incremental ? "on" : "off"); |
| monitor_printf(mon, "%s: %u\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_MULTIFD_CHANNELS), |
| params->multifd_channels); |
| monitor_printf(mon, "%s: %s\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_MULTIFD_COMPRESSION), |
| MultiFDCompression_str(params->multifd_compression)); |
| assert(params->has_zero_page_detection); |
| monitor_printf(mon, "%s: %s\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_ZERO_PAGE_DETECTION), |
| qapi_enum_lookup(&ZeroPageDetection_lookup, |
| params->zero_page_detection)); |
| monitor_printf(mon, "%s: %" PRIu64 " bytes\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE), |
| params->xbzrle_cache_size); |
| monitor_printf(mon, "%s: %" PRIu64 "\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_MAX_POSTCOPY_BANDWIDTH), |
| params->max_postcopy_bandwidth); |
| monitor_printf(mon, "%s: '%s'\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_TLS_AUTHZ), |
| params->tls_authz); |
| |
| if (params->has_block_bitmap_mapping) { |
| const BitmapMigrationNodeAliasList *bmnal; |
| |
| monitor_printf(mon, "%s:\n", |
| MigrationParameter_str( |
| MIGRATION_PARAMETER_BLOCK_BITMAP_MAPPING)); |
| |
| for (bmnal = params->block_bitmap_mapping; |
| bmnal; |
| bmnal = bmnal->next) |
| { |
| const BitmapMigrationNodeAlias *bmna = bmnal->value; |
| const BitmapMigrationBitmapAliasList *bmbal; |
| |
| monitor_printf(mon, " '%s' -> '%s'\n", |
| bmna->node_name, bmna->alias); |
| |
| for (bmbal = bmna->bitmaps; bmbal; bmbal = bmbal->next) { |
| const BitmapMigrationBitmapAlias *bmba = bmbal->value; |
| |
| monitor_printf(mon, " '%s' -> '%s'\n", |
| bmba->name, bmba->alias); |
| } |
| } |
| } |
| |
| monitor_printf(mon, "%s: %" PRIu64 " ms\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_X_VCPU_DIRTY_LIMIT_PERIOD), |
| params->x_vcpu_dirty_limit_period); |
| |
| monitor_printf(mon, "%s: %" PRIu64 " MB/s\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_VCPU_DIRTY_LIMIT), |
| params->vcpu_dirty_limit); |
| |
| assert(params->has_mode); |
| monitor_printf(mon, "%s: %s\n", |
| MigrationParameter_str(MIGRATION_PARAMETER_MODE), |
| qapi_enum_lookup(&MigMode_lookup, params->mode)); |
| } |
| |
| qapi_free_MigrationParameters(params); |
| } |
| |
| void hmp_loadvm(Monitor *mon, const QDict *qdict) |
| { |
| RunState saved_state = runstate_get(); |
| |
| const char *name = qdict_get_str(qdict, "name"); |
| Error *err = NULL; |
| |
| vm_stop(RUN_STATE_RESTORE_VM); |
| |
| if (load_snapshot(name, NULL, false, NULL, &err)) { |
| load_snapshot_resume(saved_state); |
| } |
| |
| hmp_handle_error(mon, err); |
| } |
| |
| void hmp_savevm(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| |
| save_snapshot(qdict_get_try_str(qdict, "name"), |
| true, NULL, false, NULL, &err); |
| hmp_handle_error(mon, err); |
| } |
| |
| void hmp_delvm(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| const char *name = qdict_get_str(qdict, "name"); |
| |
| delete_snapshot(name, false, NULL, &err); |
| hmp_handle_error(mon, err); |
| } |
| |
| void hmp_migrate_cancel(Monitor *mon, const QDict *qdict) |
| { |
| qmp_migrate_cancel(NULL); |
| } |
| |
| void hmp_migrate_continue(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| const char *state = qdict_get_str(qdict, "state"); |
| int val = qapi_enum_parse(&MigrationStatus_lookup, state, -1, &err); |
| |
| if (val >= 0) { |
| qmp_migrate_continue(val, &err); |
| } |
| |
| hmp_handle_error(mon, err); |
| } |
| |
| void hmp_migrate_incoming(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| const char *uri = qdict_get_str(qdict, "uri"); |
| MigrationChannelList *caps = NULL; |
| g_autoptr(MigrationChannel) channel = NULL; |
| |
| if (!migrate_uri_parse(uri, &channel, &err)) { |
| goto end; |
| } |
| QAPI_LIST_PREPEND(caps, g_steal_pointer(&channel)); |
| |
| qmp_migrate_incoming(NULL, true, caps, &err); |
| qapi_free_MigrationChannelList(caps); |
| |
| end: |
| hmp_handle_error(mon, err); |
| } |
| |
| void hmp_migrate_recover(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| const char *uri = qdict_get_str(qdict, "uri"); |
| |
| qmp_migrate_recover(uri, &err); |
| |
| hmp_handle_error(mon, err); |
| } |
| |
| void hmp_migrate_pause(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| |
| qmp_migrate_pause(&err); |
| |
| hmp_handle_error(mon, err); |
| } |
| |
| |
| void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict) |
| { |
| const char *cap = qdict_get_str(qdict, "capability"); |
| bool state = qdict_get_bool(qdict, "state"); |
| Error *err = NULL; |
| MigrationCapabilityStatusList *caps = NULL; |
| MigrationCapabilityStatus *value; |
| int val; |
| |
| val = qapi_enum_parse(&MigrationCapability_lookup, cap, -1, &err); |
| if (val < 0) { |
| goto end; |
| } |
| |
| value = g_malloc0(sizeof(*value)); |
| value->capability = val; |
| value->state = state; |
| QAPI_LIST_PREPEND(caps, value); |
| qmp_migrate_set_capabilities(caps, &err); |
| qapi_free_MigrationCapabilityStatusList(caps); |
| |
| end: |
| hmp_handle_error(mon, err); |
| } |
| |
| void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) |
| { |
| const char *param = qdict_get_str(qdict, "parameter"); |
| const char *valuestr = qdict_get_str(qdict, "value"); |
| Visitor *v = string_input_visitor_new(valuestr); |
| MigrateSetParameters *p = g_new0(MigrateSetParameters, 1); |
| uint64_t valuebw = 0; |
| uint64_t cache_size; |
| Error *err = NULL; |
| int val, ret; |
| |
| val = qapi_enum_parse(&MigrationParameter_lookup, param, -1, &err); |
| if (val < 0) { |
| goto cleanup; |
| } |
| |
| switch (val) { |
| case MIGRATION_PARAMETER_COMPRESS_LEVEL: |
| p->has_compress_level = true; |
| visit_type_uint8(v, param, &p->compress_level, &err); |
| break; |
| case MIGRATION_PARAMETER_COMPRESS_THREADS: |
| p->has_compress_threads = true; |
| visit_type_uint8(v, param, &p->compress_threads, &err); |
| break; |
| case MIGRATION_PARAMETER_COMPRESS_WAIT_THREAD: |
| p->has_compress_wait_thread = true; |
| visit_type_bool(v, param, &p->compress_wait_thread, &err); |
| break; |
| case MIGRATION_PARAMETER_DECOMPRESS_THREADS: |
| p->has_decompress_threads = true; |
| visit_type_uint8(v, param, &p->decompress_threads, &err); |
| break; |
| case MIGRATION_PARAMETER_THROTTLE_TRIGGER_THRESHOLD: |
| p->has_throttle_trigger_threshold = true; |
| visit_type_uint8(v, param, &p->throttle_trigger_threshold, &err); |
| break; |
| case MIGRATION_PARAMETER_CPU_THROTTLE_INITIAL: |
| p->has_cpu_throttle_initial = true; |
| visit_type_uint8(v, param, &p->cpu_throttle_initial, &err); |
| break; |
| case MIGRATION_PARAMETER_CPU_THROTTLE_INCREMENT: |
| p->has_cpu_throttle_increment = true; |
| visit_type_uint8(v, param, &p->cpu_throttle_increment, &err); |
| break; |
| case MIGRATION_PARAMETER_CPU_THROTTLE_TAILSLOW: |
| p->has_cpu_throttle_tailslow = true; |
| visit_type_bool(v, param, &p->cpu_throttle_tailslow, &err); |
| break; |
| case MIGRATION_PARAMETER_MAX_CPU_THROTTLE: |
| p->has_max_cpu_throttle = true; |
| visit_type_uint8(v, param, &p->max_cpu_throttle, &err); |
| break; |
| case MIGRATION_PARAMETER_TLS_CREDS: |
| p->tls_creds = g_new0(StrOrNull, 1); |
| p->tls_creds->type = QTYPE_QSTRING; |
| visit_type_str(v, param, &p->tls_creds->u.s, &err); |
| break; |
| case MIGRATION_PARAMETER_TLS_HOSTNAME: |
| p->tls_hostname = g_new0(StrOrNull, 1); |
| p->tls_hostname->type = QTYPE_QSTRING; |
| visit_type_str(v, param, &p->tls_hostname->u.s, &err); |
| break; |
| case MIGRATION_PARAMETER_TLS_AUTHZ: |
| p->tls_authz = g_new0(StrOrNull, 1); |
| p->tls_authz->type = QTYPE_QSTRING; |
| visit_type_str(v, param, &p->tls_authz->u.s, &err); |
| break; |
| case MIGRATION_PARAMETER_MAX_BANDWIDTH: |
| p->has_max_bandwidth = true; |
| /* |
| * Can't use visit_type_size() here, because it |
| * defaults to Bytes rather than Mebibytes. |
| */ |
| ret = qemu_strtosz_MiB(valuestr, NULL, &valuebw); |
| if (ret < 0 || valuebw > INT64_MAX |
| || (size_t)valuebw != valuebw) { |
| error_setg(&err, "Invalid size %s", valuestr); |
| break; |
| } |
| p->max_bandwidth = valuebw; |
| break; |
| case MIGRATION_PARAMETER_AVAIL_SWITCHOVER_BANDWIDTH: |
| p->has_avail_switchover_bandwidth = true; |
| ret = qemu_strtosz_MiB(valuestr, NULL, &valuebw); |
| if (ret < 0 || valuebw > INT64_MAX |
| || (size_t)valuebw != valuebw) { |
| error_setg(&err, "Invalid size %s", valuestr); |
| break; |
| } |
| p->avail_switchover_bandwidth = valuebw; |
| break; |
| case MIGRATION_PARAMETER_DOWNTIME_LIMIT: |
| p->has_downtime_limit = true; |
| visit_type_size(v, param, &p->downtime_limit, &err); |
| break; |
| case MIGRATION_PARAMETER_X_CHECKPOINT_DELAY: |
| p->has_x_checkpoint_delay = true; |
| visit_type_uint32(v, param, &p->x_checkpoint_delay, &err); |
| break; |
| case MIGRATION_PARAMETER_BLOCK_INCREMENTAL: |
| p->has_block_incremental = true; |
| visit_type_bool(v, param, &p->block_incremental, &err); |
| break; |
| case MIGRATION_PARAMETER_MULTIFD_CHANNELS: |
| p->has_multifd_channels = true; |
| visit_type_uint8(v, param, &p->multifd_channels, &err); |
| break; |
| case MIGRATION_PARAMETER_MULTIFD_COMPRESSION: |
| p->has_multifd_compression = true; |
| visit_type_MultiFDCompression(v, param, &p->multifd_compression, |
| &err); |
| break; |
| case MIGRATION_PARAMETER_MULTIFD_ZLIB_LEVEL: |
| p->has_multifd_zlib_level = true; |
| visit_type_uint8(v, param, &p->multifd_zlib_level, &err); |
| break; |
| case MIGRATION_PARAMETER_MULTIFD_ZSTD_LEVEL: |
| p->has_multifd_zstd_level = true; |
| visit_type_uint8(v, param, &p->multifd_zstd_level, &err); |
| break; |
| case MIGRATION_PARAMETER_ZERO_PAGE_DETECTION: |
| p->has_zero_page_detection = true; |
| visit_type_ZeroPageDetection(v, param, &p->zero_page_detection, &err); |
| break; |
| case MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE: |
| p->has_xbzrle_cache_size = true; |
| if (!visit_type_size(v, param, &cache_size, &err)) { |
| break; |
| } |
| if (cache_size > INT64_MAX || (size_t)cache_size != cache_size) { |
| error_setg(&err, "Invalid size %s", valuestr); |
| break; |
| } |
| p->xbzrle_cache_size = cache_size; |
| break; |
| case MIGRATION_PARAMETER_MAX_POSTCOPY_BANDWIDTH: |
| p->has_max_postcopy_bandwidth = true; |
| visit_type_size(v, param, &p->max_postcopy_bandwidth, &err); |
| break; |
| case MIGRATION_PARAMETER_ANNOUNCE_INITIAL: |
| p->has_announce_initial = true; |
| visit_type_size(v, param, &p->announce_initial, &err); |
| break; |
| case MIGRATION_PARAMETER_ANNOUNCE_MAX: |
| p->has_announce_max = true; |
| visit_type_size(v, param, &p->announce_max, &err); |
| break; |
| case MIGRATION_PARAMETER_ANNOUNCE_ROUNDS: |
| p->has_announce_rounds = true; |
| visit_type_size(v, param, &p->announce_rounds, &err); |
| break; |
| case MIGRATION_PARAMETER_ANNOUNCE_STEP: |
| p->has_announce_step = true; |
| visit_type_size(v, param, &p->announce_step, &err); |
| break; |
| case MIGRATION_PARAMETER_BLOCK_BITMAP_MAPPING: |
| error_setg(&err, "The block-bitmap-mapping parameter can only be set " |
| "through QMP"); |
| break; |
| case MIGRATION_PARAMETER_X_VCPU_DIRTY_LIMIT_PERIOD: |
| p->has_x_vcpu_dirty_limit_period = true; |
| visit_type_size(v, param, &p->x_vcpu_dirty_limit_period, &err); |
| break; |
| case MIGRATION_PARAMETER_VCPU_DIRTY_LIMIT: |
| p->has_vcpu_dirty_limit = true; |
| visit_type_size(v, param, &p->vcpu_dirty_limit, &err); |
| break; |
| case MIGRATION_PARAMETER_MODE: |
| p->has_mode = true; |
| visit_type_MigMode(v, param, &p->mode, &err); |
| break; |
| default: |
| assert(0); |
| } |
| |
| if (err) { |
| goto cleanup; |
| } |
| |
| qmp_migrate_set_parameters(p, &err); |
| |
| cleanup: |
| qapi_free_MigrateSetParameters(p); |
| visit_free(v); |
| hmp_handle_error(mon, err); |
| } |
| |
| void hmp_migrate_start_postcopy(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| qmp_migrate_start_postcopy(&err); |
| hmp_handle_error(mon, err); |
| } |
| |
| #ifdef CONFIG_REPLICATION |
| void hmp_x_colo_lost_heartbeat(Monitor *mon, const QDict *qdict) |
| { |
| Error *err = NULL; |
| |
| qmp_x_colo_lost_heartbeat(&err); |
| hmp_handle_error(mon, err); |
| } |
| #endif |
| |
| typedef struct HMPMigrationStatus { |
| QEMUTimer *timer; |
| Monitor *mon; |
| } HMPMigrationStatus; |
| |
| static void hmp_migrate_status_cb(void *opaque) |
| { |
| HMPMigrationStatus *status = opaque; |
| MigrationInfo *info; |
| |
| info = qmp_query_migrate(NULL); |
| if (!info->has_status || info->status == MIGRATION_STATUS_ACTIVE || |
| info->status == MIGRATION_STATUS_SETUP) { |
| if (info->disk) { |
| int progress; |
| |
| if (info->disk->remaining) { |
| progress = info->disk->transferred * 100 / info->disk->total; |
| } else { |
| progress = 100; |
| } |
| |
| monitor_printf(status->mon, "Completed %d %%\r", progress); |
| monitor_flush(status->mon); |
| } |
| |
| timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); |
| } else { |
| if (migrate_block()) { |
| monitor_printf(status->mon, "\n"); |
| } |
| if (info->error_desc) { |
| error_report("%s", info->error_desc); |
| } |
| monitor_resume(status->mon); |
| timer_free(status->timer); |
| g_free(status); |
| } |
| |
| qapi_free_MigrationInfo(info); |
| } |
| |
| void hmp_migrate(Monitor *mon, const QDict *qdict) |
| { |
| bool detach = qdict_get_try_bool(qdict, "detach", false); |
| bool blk = qdict_get_try_bool(qdict, "blk", false); |
| bool inc = qdict_get_try_bool(qdict, "inc", false); |
| bool resume = qdict_get_try_bool(qdict, "resume", false); |
| const char *uri = qdict_get_str(qdict, "uri"); |
| Error *err = NULL; |
| g_autoptr(MigrationChannelList) caps = NULL; |
| g_autoptr(MigrationChannel) channel = NULL; |
| |
| if (inc) { |
| warn_report("option '-i' is deprecated;" |
| " use blockdev-mirror with NBD instead"); |
| } |
| |
| if (blk) { |
| warn_report("option '-b' is deprecated;" |
| " use blockdev-mirror with NBD instead"); |
| } |
| |
| if (!migrate_uri_parse(uri, &channel, &err)) { |
| hmp_handle_error(mon, err); |
| return; |
| } |
| QAPI_LIST_PREPEND(caps, g_steal_pointer(&channel)); |
| |
| qmp_migrate(NULL, true, caps, !!blk, blk, !!inc, inc, |
| false, false, true, resume, &err); |
| if (hmp_handle_error(mon, err)) { |
| return; |
| } |
| |
| if (!detach) { |
| HMPMigrationStatus *status; |
| |
| if (monitor_suspend(mon) < 0) { |
| monitor_printf(mon, "terminal does not allow synchronous " |
| "migration, continuing detached\n"); |
| return; |
| } |
| |
| status = g_malloc0(sizeof(*status)); |
| status->mon = mon; |
| status->timer = timer_new_ms(QEMU_CLOCK_REALTIME, hmp_migrate_status_cb, |
| status); |
| timer_mod(status->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); |
| } |
| } |
| |
| void migrate_set_capability_completion(ReadLineState *rs, int nb_args, |
| const char *str) |
| { |
| size_t len; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| if (nb_args == 2) { |
| int i; |
| for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { |
| readline_add_completion_of(rs, str, MigrationCapability_str(i)); |
| } |
| } else if (nb_args == 3) { |
| readline_add_completion_of(rs, str, "on"); |
| readline_add_completion_of(rs, str, "off"); |
| } |
| } |
| |
| void migrate_set_parameter_completion(ReadLineState *rs, int nb_args, |
| const char *str) |
| { |
| size_t len; |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| if (nb_args == 2) { |
| int i; |
| for (i = 0; i < MIGRATION_PARAMETER__MAX; i++) { |
| readline_add_completion_of(rs, str, MigrationParameter_str(i)); |
| } |
| } |
| } |
| |
| static void vm_completion(ReadLineState *rs, const char *str) |
| { |
| size_t len; |
| BlockDriverState *bs; |
| BdrvNextIterator it; |
| |
| GRAPH_RDLOCK_GUARD_MAINLOOP(); |
| |
| len = strlen(str); |
| readline_set_completion_index(rs, len); |
| |
| for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { |
| SnapshotInfoList *snapshots, *snapshot; |
| bool ok = false; |
| |
| if (bdrv_can_snapshot(bs)) { |
| ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0; |
| } |
| if (!ok) { |
| continue; |
| } |
| |
| snapshot = snapshots; |
| while (snapshot) { |
| readline_add_completion_of(rs, str, snapshot->value->name); |
| readline_add_completion_of(rs, str, snapshot->value->id); |
| snapshot = snapshot->next; |
| } |
| qapi_free_SnapshotInfoList(snapshots); |
| } |
| |
| } |
| |
| void delvm_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| if (nb_args == 2) { |
| vm_completion(rs, str); |
| } |
| } |
| |
| void loadvm_completion(ReadLineState *rs, int nb_args, const char *str) |
| { |
| if (nb_args == 2) { |
| vm_completion(rs, str); |
| } |
| } |
