On Tue, Feb 25, 2020 at 12:44:48PM -0800, Yifeng Sun wrote: > > > > +int rte_vhost_get_kickfd(int vid, uint16_t queue_id)
Introducing rte_vhost_get_kickfd() may not help much, we already have rte_vhost_get_vhost_vring() to do that. https://github.com/DPDK/dpdk/blob/d7142fbae16f/drivers/net/vhost/rte_eth_vhost.c#L628-L644 > > +{ > > + struct virtio_net *dev; > > + struct vhost_virtqueue *vq; > > + > > + dev = get_device(vid); > > + if (!dev) > > + return -1; > > + > > + if (unlikely(!(dev->flags & VIRTIO_DEV_BUILTIN_VIRTIO_NET))) { > > + // vhost net backend is disabled. > > + return -1; > > + } > > + > > + if (unlikely(!is_valid_virt_queue_idx(queue_id, 1, dev->nr_vring))) > > { > > + return -1; > > + } > > + > > + vq = dev->virtqueue[queue_id]; > > + // XXX lock? > > + return vq->kickfd; > > +} > > > > Best, > > Yifeng Sun
