s390x: Convert QEMUMachine to MachineClass

This converts s390-virtio and s390-ccw-virtio machines to QOM MachineClass.
This brings ability to add interfaces to the machine classes. The first
interface for addition will be NMI.

The patch is mechanical so no change in behavior is expected.
Signed-off-by: NAlexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

hw/s390x/s390-virtio-ccw.c

@@ -18,6 +18,8 @@
 #include "css.h"
 #include "virtio-ccw.h"
 
+#define TYPE_S390_CCW_MACHINE               "s390-ccw-machine"
+
 void io_subsystem_reset(void)
 {
     DeviceState *css, *sclp, *flic;
@@ -134,24 +136,33 @@ static void ccw_init(MachineState *machine)
     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 }
 
-static QEMUMachine ccw_machine = {
-    .name = "s390-ccw-virtio",
-    .alias = "s390-ccw",
-    .desc = "VirtIO-ccw based S390 machine",
-    .init = ccw_init,
-    .block_default_type = IF_VIRTIO,
-    .no_cdrom = 1,
-    .no_floppy = 1,
-    .no_serial = 1,
-    .no_parallel = 1,
-    .no_sdcard = 1,
-    .use_sclp = 1,
-    .max_cpus = 255,
+static void ccw_machine_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+
+    mc->name = "s390-ccw-virtio";
+    mc->alias = "s390-ccw";
+    mc->desc = "VirtIO-ccw based S390 machine";
+    mc->init = ccw_init;
+    mc->block_default_type = IF_VIRTIO;
+    mc->no_cdrom = 1;
+    mc->no_floppy = 1;
+    mc->no_serial = 1;
+    mc->no_parallel = 1;
+    mc->no_sdcard = 1;
+    mc->use_sclp = 1,
+    mc->max_cpus = 255;
+}
+
+static const TypeInfo ccw_machine_info = {
+    .name          = TYPE_S390_CCW_MACHINE,
+    .parent        = TYPE_MACHINE,
+    .class_init    = ccw_machine_class_init,
 };
 
-static void ccw_machine_init(void)
+static void ccw_machine_register_types(void)
 {
-    qemu_register_machine(&ccw_machine);
+    type_register_static(&ccw_machine_info);
 }
 
-machine_init(ccw_machine_init)
+type_init(ccw_machine_register_types)

hw/s390x/s390-virtio.c

@@ -51,6 +51,7 @@
 
 #define MAX_BLK_DEVS                    10
 #define ZIPL_FILENAME                   "s390-zipl.rom"
+#define TYPE_S390_MACHINE               "s390-machine"
 
 static VirtIOS390Bus *s390_bus;
 static S390CPU **ipi_states;
@@ -279,25 +280,34 @@ static void s390_init(MachineState *machine)
     s390_create_virtio_net((BusState *)s390_bus, "virtio-net-s390");
 }
 
-static QEMUMachine s390_machine = {
-    .name = "s390-virtio",
-    .alias = "s390",
-    .desc = "VirtIO based S390 machine",
-    .init = s390_init,
-    .block_default_type = IF_VIRTIO,
-    .no_cdrom = 1,
-    .no_floppy = 1,
-    .no_serial = 1,
-    .no_parallel = 1,
-    .no_sdcard = 1,
-    .use_virtcon = 1,
-    .max_cpus = 255,
-    .is_default = 1,
+static void s390_machine_class_init(ObjectClass *oc, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+
+    mc->name = "s390-virtio";
+    mc->alias = "s390";
+    mc->desc = "VirtIO based S390 machine";
+    mc->init = s390_init;
+    mc->block_default_type = IF_VIRTIO;
+    mc->max_cpus = 255;
+    mc->no_serial = 1;
+    mc->no_parallel = 1;
+    mc->use_virtcon = 1;
+    mc->no_floppy = 1;
+    mc->no_cdrom = 1;
+    mc->no_sdcard = 1;
+    mc->is_default = 1;
+}
+
+static const TypeInfo s390_machine_info = {
+    .name          = TYPE_S390_MACHINE,
+    .parent        = TYPE_MACHINE,
+    .class_init    = s390_machine_class_init,
 };
 
-static void s390_machine_init(void)
+static void s390_machine_register_types(void)
 {
-    qemu_register_machine(&s390_machine);
+    type_register_static(&s390_machine_info);
 }
 
-machine_init(s390_machine_init);
+type_init(s390_machine_register_types)