void vhost_dev_init()

in vhost.c [467:509]

• 40 lines of code
• 3 McCabe index (conditional complexity)

void vhost_dev_init(struct vhost_dev *dev,
		    struct vhost_virtqueue **vqs, int nvqs,
		    int iov_limit, int weight, int byte_weight,
		    bool use_worker,
		    int (*msg_handler)(struct vhost_dev *dev,
				       struct vhost_iotlb_msg *msg))
{
	struct vhost_virtqueue *vq;
	int i;

	dev->vqs = vqs;
	dev->nvqs = nvqs;
	mutex_init(&dev->mutex);
	dev->log_ctx = NULL;
	dev->umem = NULL;
	dev->iotlb = NULL;
	dev->mm = NULL;
	dev->worker = NULL;
	dev->iov_limit = iov_limit;
	dev->weight = weight;
	dev->byte_weight = byte_weight;
	dev->use_worker = use_worker;
	dev->msg_handler = msg_handler;
	init_llist_head(&dev->work_list);
	init_waitqueue_head(&dev->wait);
	INIT_LIST_HEAD(&dev->read_list);
	INIT_LIST_HEAD(&dev->pending_list);
	spin_lock_init(&dev->iotlb_lock);


	for (i = 0; i < dev->nvqs; ++i) {
		vq = dev->vqs[i];
		vq->log = NULL;
		vq->indirect = NULL;
		vq->heads = NULL;
		vq->dev = dev;
		mutex_init(&vq->mutex);
		vhost_vq_reset(dev, vq);
		if (vq->handle_kick)
			vhost_poll_init(&vq->poll, vq->handle_kick,
					EPOLLIN, dev);
	}
}