[V8,16/17] COLO: notify net filters about checkpoint/failover event

Commit Message

Zhang Chen June 3, 2018, 5:05 a.m. UTC

From: zhanghailiang <[e-mail]>

Notify all net filters about the checkpoint and failover event.

Signed-off-by: zhanghailiang <[e-mail]>
Reviewed-by: Dr. David Alan Gilbert <[e-mail]>
---
 migration/colo.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Patch

diff --git a/migration/colo.c b/migration/colo.c
index 0bff21d9e5..e3824d139a 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -88,6 +88,11 @@  static void secondary_vm_do_failover(void)
     if (local_err) {
         error_report_err(local_err);
     }
+    /* Notify all filters of all NIC to do checkpoint */
+    colo_notify_filters_event(COLO_EVENT_FAILOVER, &local_err);
+    if (local_err) {
+        error_report_err(local_err);
+    }
 
     if (!autostart) {
         error_report("\"-S\" qemu option will be ignored in secondary side");
@@ -813,6 +818,13 @@  void *colo_process_incoming_thread(void *opaque)
             goto out;
         }
 
+        /* Notify all filters of all NIC to do checkpoint */
+        colo_notify_filters_event(COLO_EVENT_CHECKPOINT, &local_err);
+        if (local_err) {
+            qemu_mutex_unlock_iothread();
+            goto out;
+        }
+
         vmstate_loading = false;
         vm_start();
         trace_colo_vm_state_change("stop", "run");