On Thu, Nov 07, 2019 at 08:43:29PM +0800, Jason Wang wrote: > > On 2019/11/7 下午7:21, Michael S. Tsirkin wrote: > > On Thu, Nov 07, 2019 at 06:18:45PM +0800, Jason Wang wrote: > > > On 2019/11/7 下午5:08, Michael S. Tsirkin wrote: > > > > On Wed, Nov 06, 2019 at 09:35:31PM +0800, Jason Wang wrote: > > > > > This sample driver creates mdev device that simulate virtio net device > > > > > over virtio mdev transport. The device is implemented through vringh > > > > > and workqueue. A device specific dma ops is to make sure HVA is used > > > > > directly as the IOVA. This should be sufficient for kernel virtio > > > > > driver to work. > > > > > > > > > > Only 'virtio' type is supported right now. I plan to add 'vhost' type > > > > > on top which requires some virtual IOMMU implemented in this sample > > > > > driver. > > > > > > > > > > Acked-by: Cornelia Huck<cohuck@xxxxxxxxxx> > > > > > Signed-off-by: Jason Wang<jasowang@xxxxxxxxxx> > > > > I'd prefer it that we call this something else, e.g. > > > > mvnet-loopback. Just so people don't expect a fully > > > > functional device somehow. Can be renamed when applying? > > > Actually, I plan to extend it as another standard network interface for > > > kernel. It could be either a standalone pseudo device or a stack device. > > > Does this sounds good to you? > > > > > > Thanks > > That's a big change in an interface so it's a good reason > > to rename the driver at that point right? > > Oherwise users of an old kernel would expect a stacked driver > > and get a loopback instead. > > > > Or did I miss something? > > > My understanding is that it was a sample driver in /doc. It should not be > used in production environment. Otherwise we need to move it to > driver/virtio. > > But if you insist, I can post a V11. > > Thanks this can be a patch on top.
