> From: Tetsuya Mukawa [mailto:mukawa at igel.co.jp] > > (2014/10/22 22:48), O'driscoll, Tim wrote: > > Single Virtio Driver: Merge existing Virtio drivers into a single > implementation, incorporating the best features from each of the existing > drivers. > > It's nice plan. We should do it. > In my understanding, the following drivers could be merged into a single > virtio PMD since they consist of similar code for handling the virtio ring. > > - librte_pmd_virtio > - librte_pmd_xenvirt > - librte_vhost (cuse) > > librte_vhost is not a PMD, but we can easily write a librte_pmd_vhost based > on librte_vhost. > Before doing it, we need to consider vhost-user extension for librte_vhost. > > BTW, I have a RFC patch for librte_vhost to handle vhost-user. > It may be the first step to merge all virtio drivers. > > My patch introduces an abstraction layer to hide differences between legacy > cuse vhost and vhost-user from DPDK apps. > Also in my patch, virtio negotiation and initialization code and virtio > handling > code is separated. > So, legacy cuse vhost and vhost-user can share virtio handling code > > Anyway, I will send a RFC patch soon as the first step of merging all virtio > drivers.
That's great Tetsuya. There was some discussion on the mailing list previously on vhost-user in response to an RFC from Huawei Xie (http://dpdk.org/ml/archives/dev/2014-August/004875.html). If you're planning an additional RFC on this, that should help to progress things and to make sure we're not duplicating work. Tim
