diff mbox series

[PULL,05/20] s390x: protvirt: Add migration blocker

Message ID 20200430094445.25943-6-cohuck@redhat.com
State New
Headers show
Series [PULL,01/20] virtio-net: fix rsc_ext compat handling | expand

Commit Message

Cornelia Huck April 30, 2020, 9:44 a.m. UTC 
From: Janosch Frank <frankja@linux.ibm.com>

Migration is not yet supported.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200319131921.2367-5-frankja@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
---
 hw/s390x/s390-virtio-ccw.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
diff mbox series

Patch

diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index b4d681da43af..e00040a00ba6 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -45,6 +45,9 @@ 
 #include "sysemu/sysemu.h"
 #include "hw/s390x/pv.h"
 #include <linux/kvm.h>
+#include "migration/blocker.h"
+
+static Error *pv_mig_blocker;
 
 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
 {
@@ -324,15 +327,30 @@  static void s390_machine_unprotect(S390CcwMachineState *ms)
 {
     s390_pv_vm_disable();
     ms->pv = false;
+    migrate_del_blocker(pv_mig_blocker);
+    error_free_or_abort(&pv_mig_blocker);
 }
 
 static int s390_machine_protect(S390CcwMachineState *ms)
 {
+    Error *local_err = NULL;
     int rc;
 
+    error_setg(&pv_mig_blocker,
+               "protected VMs are currently not migrateable.");
+    rc = migrate_add_blocker(pv_mig_blocker, &local_err);
+    if (rc) {
+        error_report_err(local_err);
+        error_free_or_abort(&pv_mig_blocker);
+        return rc;
+    }
+
     /* Create SE VM */
     rc = s390_pv_vm_enable();
     if (rc) {
+        error_report_err(local_err);
+        migrate_del_blocker(pv_mig_blocker);
+        error_free_or_abort(&pv_mig_blocker);
         return rc;
     }