[dpdk-dev] [PATCH v3 0/2] vhost: Support external backend only vhost-user requests

[Stojaczyk, Dariusz]

> -----Original Message-----
> From: Maxime Coquelin [mailto:maxime.coquelin at redhat.com]
> Sent: Wednesday, March 20, 2019 8:35 AM
> To: dev at dpdk.org; i.maximets at samsung.com; Liu, Changpeng
> <changpeng.liu at intel.com>; Bie, Tiwei <tiwei.bie at intel.com>; Stojaczyk,
> Dariusz <dariusz.stojaczyk at intel.com>
> Subject: Re: [PATCH v3 0/2] vhost: Support external backend only vhost-user
> requests
> 
> 
> 
> On 3/19/19 11:54 AM, Maxime Coquelin wrote:
> > The goals of this series is to provide more flexibility to external
> > backends to implement their specific vhost-user request handling
> > without having to patch vhost-user library.
> >
> > First patch implements a new API for external backend to advertize
> > its specific protocol features to vhost-user master.
> >
> > Second patch ensures a request not handled by the vhost-user library
> > but by the external backend only will not be treated as an error or
> > make the vhost lib to crash.
> >
> > Changes in v3:
> > ==============
> >   - Fix and improve comments (Ilya)
> >
> > Changes in v2:
> > ==============
> >   - Remove 'skip_master' param from documentation (Ilya)
> >   - Merge pre and post callback in a single one (Ilya)
> >
> > Changes in v1:
> > ==============
> >   - Convert vhost-crypto to the API change (Ilya)
> >   - Fix build with recent GCC (fall-through)
> >   - Check request > VHOST_USER_NONE (Ilya)
> >   - Remove 'Requested invalid message type' check (Ilya)
> >
> > Changes in RFC v2:
> > ==================
> >   - Fix build & git message
> >   - Add new enum for not handled messages & remove skip_master (Ilya)
> >
> > Maxime Coquelin (2):
> >    vhost: add API to set protocol features flags
> >    vhost: support requests only handled by external backend
> >
> >   lib/librte_vhost/rte_vhost.h           | 53 +++++++++--------
> >   lib/librte_vhost/rte_vhost_version.map |  1 +
> >   lib/librte_vhost/socket.c              | 14 +++++
> >   lib/librte_vhost/vhost_crypto.c        | 10 +++-
> >   lib/librte_vhost/vhost_user.c          | 82 ++++++++++++++++----------
> >   5 files changed, 102 insertions(+), 58 deletions(-)
> >
> 
> Applied to dpdk-next-virtio/master branch.
> 
> Thanks,
> Maxime

Thanks Maxime,

FYI - SPDK vhost in the upstream SPDK master is already capable of running against rte_vhost with those changes.
I have just run the full SPDK test suite against today's dpdk-next-virtio and everything's working. 

Thanks again!
D.