[Qemu-devel] [PATCH for-next v2 11/22] virtio-serial: Convert to QOM realize

["Andreas Färber" <afaerber@suse.de>]

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 hw/char/virtio-serial-bus.c       | 25 ++++++++++++++-----------
 include/hw/virtio/virtio-serial.h |  2 ++
 2 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index a82786b..1bed93f 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -889,23 +889,26 @@ static int virtser_port_qdev_exit(DeviceState *qdev)
     return 0;
 }
 
-static int virtio_serial_device_init(VirtIODevice *vdev)
+static void virtio_serial_device_realize(DeviceState *dev, Error **errp)
 {
-    DeviceState *dev = DEVICE(vdev);
+    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
     VirtIOSerial *vser = VIRTIO_SERIAL(dev);
+    ObjectClass *parent_oc = VIRTIO_SERIAL_GET_PARENT_CLASS(dev);
+    DeviceClass *parent_dc = DEVICE_CLASS(parent_oc);
     BusState *bus;
     uint32_t i, max_supported_ports;
 
     if (!vser->serial.max_virtserial_ports) {
-        return -1;
+        error_setg(errp, "Maximum number of serial ports not specified");
+        return;
     }
 
     /* Each port takes 2 queues, and one pair is for the control queue */
     max_supported_ports = VIRTIO_PCI_QUEUE_MAX / 2 - 1;
 
     if (vser->serial.max_virtserial_ports > max_supported_ports) {
-        error_report("maximum ports supported: %u", max_supported_ports);
-        return -1;
+        error_setg(errp, "maximum ports supported: %u", max_supported_ports);
+        return;
     }
 
     virtio_init(vdev, "virtio-serial", VIRTIO_ID_CONSOLE,
@@ -966,7 +969,7 @@ static int virtio_serial_device_init(VirtIODevice *vdev)
     register_savevm(dev, "virtio-console", -1, 3, virtio_serial_save,
                     virtio_serial_load, vser);
 
-    return 0;
+    parent_dc->realize(dev, errp);
 }
 
 static void virtio_serial_port_class_init(ObjectClass *klass, void *data)
@@ -989,10 +992,10 @@ static const TypeInfo virtio_serial_port_type_info = {
     .class_init = virtio_serial_port_class_init,
 };
 
-static int virtio_serial_device_exit(DeviceState *dev)
+static void virtio_serial_device_unrealize(DeviceState *dev, Error **errp)
 {
-    VirtIOSerial *vser = VIRTIO_SERIAL(dev);
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+    VirtIOSerial *vser = VIRTIO_SERIAL(dev);
 
     unregister_savevm(dev, "virtio-console", vser);
 
@@ -1006,7 +1009,6 @@ static int virtio_serial_device_exit(DeviceState *dev)
         g_free(vser->post_load);
     }
     virtio_cleanup(vdev);
-    return 0;
 }
 
 static Property virtio_serial_properties[] = {
@@ -1018,10 +1020,11 @@ static void virtio_serial_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
-    dc->exit = virtio_serial_device_exit;
+
+    dc->realize = virtio_serial_device_realize;
+    dc->unrealize = virtio_serial_device_unrealize;
     dc->props = virtio_serial_properties;
     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
-    vdc->init = virtio_serial_device_init;
     vdc->get_features = get_features;
     vdc->get_config = get_config;
     vdc->set_config = set_config;
diff --git a/include/hw/virtio/virtio-serial.h b/include/hw/virtio/virtio-serial.h
index 1d2040b..9a94abd 100644
--- a/include/hw/virtio/virtio-serial.h
+++ b/include/hw/virtio/virtio-serial.h
@@ -247,6 +247,8 @@ void virtio_serial_throttle_port(VirtIOSerialPort *port, bool throttle);
 #define TYPE_VIRTIO_SERIAL "virtio-serial-device"
 #define VIRTIO_SERIAL(obj) \
         OBJECT_CHECK(VirtIOSerial, (obj), TYPE_VIRTIO_SERIAL)
+#define VIRTIO_SERIAL_GET_PARENT_CLASS(obj) \
+        OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_SERIAL)
 
 #define DEFINE_VIRTIO_SERIAL_PROPERTIES(_state, _field) \
         DEFINE_PROP_UINT32("max_ports", _state, _field.max_virtserial_ports, 31)
-- 
1.8.1.4