virtio: add a wrapper for virtio-backend initialization

For better code sharing, add a helper function that handles
reference counting of the virtio backend for virtio proxy devices.

Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Gonglei 2014-09-30 14:10:38 +08:00 committed by Paolo Bonzini
parent 8f3d60e568
commit c8075caf19
5 changed files with 71 additions and 76 deletions

View file

@ -161,6 +161,9 @@ typedef struct VirtioDeviceClass {
int (*load)(VirtIODevice *vdev, QEMUFile *f, int version_id);
} VirtioDeviceClass;
void virtio_instance_init_common(Object *proxy_obj, void *data,
size_t vdev_size, const char *vdev_name);
void virtio_init(VirtIODevice *vdev, const char *name,
uint16_t device_id, size_t config_size);
void virtio_cleanup(VirtIODevice *vdev);