[V9,18/20] COLO: notify net filters about checkpoint/failover event

Commit Message

Zhang Chen June 27, 2018, 8:41 p.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 | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

Patch

diff --git a/migration/colo.c b/migration/colo.c
index a32c8e2244..4d0ee7d8aa 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -31,6 +31,7 @@ 
 #include "qapi/qapi-events-migration.h"
 #include "qapi/qmp/qerror.h"
 #include "sysemu/cpus.h"
+#include "net/filter.h"
 
 static bool vmstate_loading;
 static Notifier packets_compare_notifier;
@@ -83,6 +84,12 @@  static void secondary_vm_do_failover(void)
         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");
         /* recover runstate to normal migration finish state */
@@ -799,6 +806,14 @@  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");