Hi Tiwei, Thanks a lot for your comment. I will take a look at rte_vhost_get_vhost_vring.
Best, Yifeng On Tue, Feb 25, 2020 at 5:51 PM Tiwei Bie <tiwei....@intel.com> wrote: > > 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
