On Wed, Oct 16, 2019 at 04:14:25PM +0000, Boeuf, Sebastien wrote: > On Wed, 2019-10-16 at 15:14 +0100, Stefan Hajnoczi wrote: > > On Wed, Oct 16, 2019 at 03:21:52AM +0900, Chirantan Ekbote wrote: > > > On Wed, Oct 16, 2019 at 2:28 AM Boeuf, Sebastien > > > <sebastien.bo...@intel.com> wrote: > > > > Thanks Dave for adding me to the loop here! > > > > > > > > On Tue, 2019-10-15 at 17:26 +0100, Dr. David Alan Gilbert wrote: > > > > > * Chirantan Ekbote (chiran...@chromium.org) wrote: > > > > > > On Wed, Oct 16, 2019 at 12:58 AM Dr. David Alan Gilbert > > > > > > <dgilb...@redhat.com> wrote: > > > > > > > * Chirantan Ekbote (chiran...@chromium.org) wrote: > > > > > > > > I'm not using virtiofsd. We have our own server for > > > > > > > > crosvm, > > > > > > > > which > > > > > > > > supports multiple queues. > > > > > > > > > > > > > > Ah excellent; is that public anywhere? > > > > > > > > > > > > > > > > > > > It's currently under review here: > > > > > > https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1758103 > > > > > > > > > > > > I expect to have it merged sometime this week. > > > > > > > > Oh that's very nice to hear. We have some code from the cloud- > > > > hypervisor project where we have a vhost-user-net implementation > > > > relying on some sort of a wrapper code similar to what all vhost- > > > > user > > > > daemon implementations would reuse (libvhost-user kind of thing). > > > > > > > > We're planning to see this wrapper code land on Rust-VMM at some > > > > point, > > > > which is why it would be interesting if you could rebase this > > > > virtio-fs > > > > daemon code on top of this small library. If you don't have the > > > > bandwidth, we could probably look at it if that's something you > > > > would > > > > be interested in. > > > > > > > > Here is the code for the small wrapper crate: > > > > https://github.com/intel/cloud-hypervisor/blob/master/vhost_user_backend/src/lib.rs > > > > > > > > And here is the vhost-user-net example using it: > > > > https://github.com/intel/cloud-hypervisor/blob/master/src/bin/vhost_user_net.rs > > > > > > > > > > Our virtio-fs server is not a vhost-user device (this was one of > > > the > > > reasons we didn't want to use virtiofsd). It currently just runs > > > directly as a child process of crosvm (like all other crosvm > > > devices). > > > So unless I'm missing something I don't think there's much to be > > > gained by rebasing on vhost_user_backend. > > > > I'm also interested in porting the server over to vhost-user so that > > other VMMs like QEMU and cloud-hypervisor can use it. > > Yes I agree that'd be awesome! > Are you planning to start working on this soon? Just asking as I want > to avoid potential duplicated efforts :)
Not immediately. If you are ready to work on it and make your branch public then we can follow along. Stefan
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