diff options
Diffstat (limited to 'migration/colo.c')
| -rw-r--r-- | migration/colo.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/migration/colo.c b/migration/colo.c index d1ae2e6d11..238a6d62c7 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -38,6 +38,9 @@ static bool vmstate_loading; static Notifier packets_compare_notifier; +/* User need to know colo mode after COLO failover */ +static COLOMode last_colo_mode; + #define COLO_BUFFER_BASE_SIZE (4 * 1024 * 1024) bool migration_in_colo_state(void) @@ -264,6 +267,7 @@ COLOStatus *qmp_query_colo_status(Error **errp) COLOStatus *s = g_new0(COLOStatus, 1); s->mode = get_colo_mode(); + s->last_mode = last_colo_mode; switch (failover_get_state()) { case FAILOVER_STATUS_NONE: @@ -515,6 +519,12 @@ static void colo_process_checkpoint(MigrationState *s) Error *local_err = NULL; int ret; + last_colo_mode = get_colo_mode(); + if (last_colo_mode != COLO_MODE_PRIMARY) { + error_report("COLO mode must be COLO_MODE_PRIMARY"); + return; + } + failover_init_state(); s->rp_state.from_dst_file = qemu_file_get_return_path(s->to_dst_file); @@ -688,6 +698,12 @@ void *colo_process_incoming_thread(void *opaque) migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE, MIGRATION_STATUS_COLO); + last_colo_mode = get_colo_mode(); + if (last_colo_mode != COLO_MODE_SECONDARY) { + error_report("COLO mode must be COLO_MODE_SECONDARY"); + return NULL; + } + failover_init_state(); mis->to_src_file = qemu_file_get_return_path(mis->from_src_file); |