RE: [virtio-dev] vhost-user to interconnect vm's

["Avi Cohen (A)" <avi.cohen@huawei.com>]

Thank you Michael and Wei
What is the estimated time for kernel-driver implementation ?
Best Regards
Avi

> -----Original Message-----
> From: Wei Wang [mailto:wei.w.wang@intel.com]
> Sent: Wednesday, 25 October, 2017 3:48 AM
> To: Michael S. Tsirkin; Avi Cohen (A)
> Cc: virtio-dev@lists.oasis-open.org; Ofer Ben-Yacov; zhiyong.yang@intel.com
> Subject: Re: [virtio-dev] vhost-user to interconnect vm's
> 
> On 10/25/2017 06:25 AM, Michael S. Tsirkin wrote:
> > On Tue, Oct 24, 2017 at 02:07:21PM +0000, Avi Cohen (A) wrote:
> >> Hello,
> >> I wonder if it is possible to directly connect 2  VM's (without host
> intervention) with  vhost-user interface , so one VM is slave and the 2nd  is the
> master.
> >> I can connect the VM's with OVS-DPDK (or VPP)  in the middle - but this
> requires an extra copy.
> >> Best Regards
> >> Avi
> >
> > This is the vhost-pci set of patches. They are not upstream yet - last
> > version - v2 - was posted back in May. Cc Wei Wang for an update on
> > the status. It would be great if you could try them out.
> 
> 
> We have started to implement the DPDK PMD of vhost-pci, since it is simpler
> and has better performance than the kernel driver.
> 
> We are also trying to make a simpler QEMU implementation than v2, for
> example, the vhost-pci device will be statically set up via qemu command line,
> instead of being hot-plugged on demand.
> 
> We would be able to send out the new version in a month or two.
> 
> Best,
> Wei