1 files changed, 7 insertions, 4 deletions
diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h
index caf4962d29..f20c503b19 100644
--- a/include/hw/s390x/s390-virtio-ccw.h
+++ b/include/hw/s390x/s390-virtio-ccw.h
@@ -12,16 +12,19 @@
 #define HW_S390X_S390_VIRTIO_CCW_H
 
 #include "hw/boards.h"
+#include "qom/object.h"
 
 #define TYPE_S390_CCW_MACHINE               "s390-ccw-machine"
 
+typedef struct S390CcwMachineClass S390CcwMachineClass;
+typedef struct S390CcwMachineState S390CcwMachineState;
 #define S390_CCW_MACHINE(obj) \
     OBJECT_CHECK(S390CcwMachineState, (obj), TYPE_S390_CCW_MACHINE)
 
 #define S390_CCW_MACHINE_CLASS(klass) \
     OBJECT_CLASS_CHECK(S390CcwMachineClass, (klass), TYPE_S390_CCW_MACHINE)
 
-typedef struct S390CcwMachineState {
+struct S390CcwMachineState {
     /*< private >*/
     MachineState parent_obj;
 
@@ -30,9 +33,9 @@ typedef struct S390CcwMachineState {
     bool dea_key_wrap;
     bool pv;
     uint8_t loadparm[8];
-} S390CcwMachineState;
+};
 
-typedef struct S390CcwMachineClass {
+struct S390CcwMachineClass {
     /*< private >*/
     MachineClass parent_class;
 
@@ -41,7 +44,7 @@ typedef struct S390CcwMachineClass {
     bool cpu_model_allowed;
     bool css_migration_enabled;
     bool hpage_1m_allowed;
-} S390CcwMachineClass;
+};
 
 /* runtime-instrumentation allowed by the machine */
 bool ri_allowed(void);