4 files changed, 64 insertions, 8 deletions
diff --git a/include/hw/boards.h b/include/hw/boards.h
index fd9388c695..7bd2ea7736 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -5,6 +5,7 @@
 
 #include "sysemu/blockdev.h"
 #include "hw/qdev.h"
+#include "qom/object.h"
 
 typedef struct QEMUMachineInitArgs {
     const QEMUMachine *machine;
@@ -49,9 +50,59 @@ struct QEMUMachine {
     const char *hw_version;
 };
 
+#define TYPE_MACHINE_SUFFIX "-machine"
 int qemu_register_machine(QEMUMachine *m);
-QEMUMachine *find_default_machine(void);
 
-extern QEMUMachine *current_machine;
+#define TYPE_MACHINE "machine"
+#define MACHINE(obj) \
+    OBJECT_CHECK(MachineState, (obj), TYPE_MACHINE)
+#define MACHINE_GET_CLASS(obj) \
+    OBJECT_GET_CLASS(MachineClass, (obj), TYPE_MACHINE)
+#define MACHINE_CLASS(klass) \
+    OBJECT_CLASS_CHECK(MachineClass, (klass), TYPE_MACHINE)
+
+typedef struct MachineState MachineState;
+typedef struct MachineClass MachineClass;
+
+MachineClass *find_default_machine(void);
+extern MachineState *current_machine;
+
+/**
+ * MachineClass:
+ * @qemu_machine: #QEMUMachine
+ */
+struct MachineClass {
+    /*< private >*/
+    ObjectClass parent_class;
+    /*< public >*/
+
+    QEMUMachine *qemu_machine;
+};
+
+/**
+ * MachineState:
+ */
+struct MachineState {
+    /*< private >*/
+    Object parent_obj;
+    /*< public >*/
+
+    char *accel;
+    bool kernel_irqchip;
+    int kvm_shadow_mem;
+    char *kernel;
+    char *initrd;
+    char *append;
+    char *dtb;
+    char *dumpdtb;
+    int phandle_start;
+    char *dt_compatible;
+    bool dump_guest_core;
+    bool mem_merge;
+    bool usb;
+    char *firmware;
+
+    QEMUMachineInitArgs init_args;
+};
 
 #endif
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 1ed0691716..dbe473c344 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -36,6 +36,8 @@ typedef int (*qdev_event)(DeviceState *dev);
 typedef void (*qdev_resetfn)(DeviceState *dev);
 typedef void (*DeviceRealize)(DeviceState *dev, Error **errp);
 typedef void (*DeviceUnrealize)(DeviceState *dev, Error **errp);
+typedef void (*BusRealize)(BusState *bus, Error **errp);
+typedef void (*BusUnrealize)(BusState *bus, Error **errp);
 
 struct VMStateDescription;
 
@@ -174,6 +176,9 @@ struct BusClass {
      */
     char *(*get_fw_dev_path)(DeviceState *dev);
     void (*reset)(BusState *bus);
+    BusRealize realize;
+    BusUnrealize unrealize;
+
     /* maximum devices allowed on the bus, 0: no limit. */
     int max_dev;
     /* number of automatically allocated bus ids (e.g. ide.0) */
@@ -199,6 +204,7 @@ struct BusState {
     int allow_hotplug;
     HotplugHandler *hotplug_handler;
     int max_index;
+    bool realized;
     QTAILQ_HEAD(ChildrenHead, BusChild) children;
     QLIST_ENTRY(BusState) sibling;
 };
diff --git a/include/hw/ssi.h b/include/hw/ssi.h
index fdae317295..6c13fb2e44 100644
--- a/include/hw/ssi.h
+++ b/include/hw/ssi.h
@@ -56,13 +56,12 @@ typedef struct SSISlaveClass {
 } SSISlaveClass;
 
 struct SSISlave {
-    DeviceState qdev;
+    DeviceState parent_obj;
 
     /* Chip select state */
     bool cs;
 };
 
-#define SSI_SLAVE_FROM_QDEV(dev) DO_UPCAST(SSISlave, qdev, dev)
 #define FROM_SSI_SLAVE(type, dev) DO_UPCAST(type, ssidev, dev)
 
 extern const VMStateDescription vmstate_ssi_slave;
diff --git a/include/hw/virtio/virtio-serial.h b/include/hw/virtio/virtio-serial.h
index 1d2040b245..4746312a83 100644
--- a/include/hw/virtio/virtio-serial.h
+++ b/include/hw/virtio/virtio-serial.h
@@ -81,15 +81,15 @@ typedef struct VirtIOSerialPortClass {
     bool is_console;
 
     /*
-     * The per-port (or per-app) init function that's called when a
+     * The per-port (or per-app) realize function that's called when a
      * new device is found on the bus.
      */
-    int (*init)(VirtIOSerialPort *port);
+    DeviceRealize realize;
     /*
-     * Per-port exit function that's called when a port gets
+     * Per-port unrealize function that's called when a port gets
      * hot-unplugged or removed.
      */
-    int (*exit)(VirtIOSerialPort *port);
+    DeviceUnrealize unrealize;
 
     /* Callbacks for guest events */
         /* Guest opened/closed device. */