diff options
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/migration/migration.c b/migration/migration.c index ed66158377..2feeee8787 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -547,6 +547,11 @@ MigrationCapabilityStatusList *qmp_query_migrate_capabilities(Error **errp) caps = NULL; /* silence compiler warning */ for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { +#ifndef CONFIG_LIVE_BLOCK_MIGRATION + if (i == MIGRATION_CAPABILITY_BLOCK) { + continue; + } +#endif if (i == MIGRATION_CAPABILITY_X_COLO && !colo_supported()) { continue; } @@ -763,6 +768,15 @@ void qmp_migrate_set_capabilities(MigrationCapabilityStatusList *params, } for (cap = params; cap; cap = cap->next) { +#ifndef CONFIG_LIVE_BLOCK_MIGRATION + if (cap->value->capability == MIGRATION_CAPABILITY_BLOCK + && cap->value->state) { + error_setg(errp, "QEMU compiled without old-style (blk/-b, inc/-i) " + "block migration"); + error_append_hint(errp, "Use drive_mirror+NBD instead.\n"); + continue; + } +#endif if (cap->value->capability == MIGRATION_CAPABILITY_X_COLO) { if (!colo_supported()) { error_setg(errp, "COLO is not currently supported, please" |