virtio-9p: cleanup: QOM casts.

As the virtio-9p-pci is switched to the new API, we can use QOM casts.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366708123-19626-5-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

hw/9pfs/virtio-9p-device.c

@@ -26,16 +26,11 @@ static uint32_t virtio_9p_get_features(VirtIODevice *vdev, uint32_t features)
     return features;
 }
 
-static V9fsState *to_virtio_9p(VirtIODevice *vdev)
-{
-    return (V9fsState *)vdev;
-}
-
 static void virtio_9p_get_config(VirtIODevice *vdev, uint8_t *config)
 {
     int len;
     struct virtio_9p_config *cfg;
-    V9fsState *s = to_virtio_9p(vdev);
+    V9fsState *s = VIRTIO_9P(vdev);
 
     len = strlen(s->tag);
     cfg = g_malloc0(sizeof(struct virtio_9p_config) + len);
@@ -97,9 +92,9 @@ static int virtio_9p_device_init(VirtIODevice *vdev)
     s->ctx.uid = -1;
 
     s->ops = fse->ops;
-    s->vdev.get_features = virtio_9p_get_features;
+    vdev->get_features = virtio_9p_get_features;
     s->config_size = sizeof(struct virtio_9p_config) + len;
-    s->vdev.get_config = virtio_9p_get_config;
+    vdev->get_config = virtio_9p_get_config;
     s->fid_list = NULL;
     qemu_co_rwlock_init(&s->rename_lock);
 

hw/9pfs/virtio-9p.c

@@ -631,7 +631,7 @@ static void complete_pdu(V9fsState *s, V9fsPDU *pdu, ssize_t len)
     virtqueue_push(s->vq, &pdu->elem, len);
 
     /* FIXME: we should batch these completions */
-    virtio_notify(&s->vdev, s->vq);
+    virtio_notify(VIRTIO_DEVICE(s), s->vq);
 
     /* Now wakeup anybody waiting in flush for this request */
     qemu_co_queue_next(&pdu->complete);

hw/9pfs/virtio-9p.h

@@ -205,7 +205,7 @@ struct V9fsFidState
 
 typedef struct V9fsState
 {
-    VirtIODevice vdev;
+    VirtIODevice parent_obj;
     VirtQueue *vq;
     V9fsPDU pdus[MAX_REQ];
     QLIST_HEAD(, V9fsPDU) free_list;