s390x: add 2.6 compat machine

New qemu version, new machine.
Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>

hw/s390x/s390-virtio-ccw.c

@@ -297,9 +297,7 @@ static void ccw_machine_2_5_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
 
-    mc->alias = "s390-ccw-virtio";
     mc->desc = "VirtIO-ccw based S390 machine v2.5";
-    mc->is_default = 1;
 }
 
 static const TypeInfo ccw_machine_2_5_info = {
@@ -308,11 +306,27 @@ static const TypeInfo ccw_machine_2_5_info = {
     .class_init    = ccw_machine_2_5_class_init,
 };
 
+static void ccw_machine_2_6_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+
+    mc->alias = "s390-ccw-virtio";
+    mc->desc = "VirtIO-ccw based S390 machine v2.6";
+    mc->is_default = 1;
+}
+
+static const TypeInfo ccw_machine_2_6_info = {
+    .name          = MACHINE_TYPE_NAME("s390-ccw-virtio-2.6"),
+    .parent        = TYPE_S390_CCW_MACHINE,
+    .class_init    = ccw_machine_2_6_class_init,
+};
+
 static void ccw_machine_register_types(void)
 {
     type_register_static(&ccw_machine_info);
     type_register_static(&ccw_machine_2_4_info);
     type_register_static(&ccw_machine_2_5_info);
+    type_register_static(&ccw_machine_2_6_info);
 }
 
 type_init(ccw_machine_register_types)