diff options
Diffstat (limited to 'migration/migration-hmp-cmds.c')
-rw-r--r-- | migration/migration-hmp-cmds.c | 807 |
1 files changed, 807 insertions, 0 deletions
diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c new file mode 100644 index 0000000000..ef25bc8929 --- /dev/null +++ b/migration/migration-hmp-cmds.c @@ -0,0 +1,807 @@ +/* + * 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/misc.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/qmp/qerror.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" + +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_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_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)); + 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); + } + } + } + } + + qapi_free_MigrationParameters(params); +} + +void hmp_loadvm(Monitor *mon, const QDict *qdict) +{ + int saved_vm_running = runstate_is_running(); + 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) && saved_vm_running) { + vm_start(); + } + 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"); + + qmp_migrate_incoming(uri, &err); + + 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_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_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; + 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_client_migrate_info(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + const char *protocol = qdict_get_str(qdict, "protocol"); + const char *hostname = qdict_get_str(qdict, "hostname"); + bool has_port = qdict_haskey(qdict, "port"); + int port = qdict_get_try_int(qdict, "port", -1); + bool has_tls_port = qdict_haskey(qdict, "tls-port"); + int tls_port = qdict_get_try_int(qdict, "tls-port", -1); + const char *cert_subject = qdict_get_try_str(qdict, "cert-subject"); + + qmp_client_migrate_info(protocol, hostname, + has_port, port, has_tls_port, tls_port, + cert_subject, &err); + 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); +} + +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); +} + +typedef struct HMPMigrationStatus { + QEMUTimer *timer; + Monitor *mon; + bool is_block_migration; +} 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 (status->is_block_migration) { + 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; + + qmp_migrate(uri, !!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->is_block_migration = blk || inc; + 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; + + len = strlen(str); + readline_set_completion_index(rs, len); + + for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) { + SnapshotInfoList *snapshots, *snapshot; + AioContext *ctx = bdrv_get_aio_context(bs); + bool ok = false; + + aio_context_acquire(ctx); + if (bdrv_can_snapshot(bs)) { + ok = bdrv_query_snapshot_info_list(bs, &snapshots, NULL) == 0; + } + aio_context_release(ctx); + 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); + } +} |