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On Fri, Feb 22, 2019 at 04:30:52PM +0100, Vincent Whitchurch wrote: > Add a loopback driver to allow testing and evaluation of the VOP > framework without special hardware. The host and the guest will run > under the same kernel. > > Signed-off-by: Vincent Whitchurch <vincent.whitchurch at axis.com> > --- > drivers/misc/mic/Kcon...

On Thu, Jun 18, 2020 at 12:39:40PM +0200, Guennadi Liakhovetski wrote: > On Thu, Jun 18, 2020 at 11:33:24AM +0200, Vincent Whitchurch wrote: > > By the "normal rpmsg API" I mean register_rpmsg_driver(), rpmsg_send(), > > etc. That API is not tied to virtio in any way and there are other > > non-virtio backends for this API in the tree. So it seems quite natural > > to implement a vhost backend...

On Thu, Jun 18, 2020 at 12:39:40PM +0200, Guennadi Liakhovetski wrote: > On Thu, Jun 18, 2020 at 11:33:24AM +0200, Vincent Whitchurch wrote: > > By the "normal rpmsg API" I mean register_rpmsg_driver(), rpmsg_send(), > > etc. That API is not tied to virtio in any way and there are other > > non-virtio backends for this API in the tree. So it seems quite natural > > to implement a vhost backend...

On Thu, Jun 18, 2020 at 03:52:42PM +0200, Vincent Whitchurch wrote: > On Thu, Jun 18, 2020 at 12:39:40PM +0200, Guennadi Liakhovetski wrote: > > On Thu, Jun 18, 2020 at 11:33:24AM +0200, Vincent Whitchurch wrote: > > > By the "normal rpmsg API" I mean register_rpmsg_driver(), rpmsg_send(), > > > etc. That API is not tied...

...inux.intel.com>; Michael S. Tsirkin > > <mst at redhat.com>; Jason Wang <jasowang at redhat.com>; Ohad Ben-Cohen > > <ohad at wizery.com>; Bjorn Andersson <bjorn.andersson at linaro.org>; Mathieu > > Poirier <mathieu.poirier at linaro.org>; Vincent Whitchurch > > <vincent.whitchurch at axis.com> > > Subject: Re: [PATCH v6 0/4] Add a vhost RPMsg API > > > > Hi Arnaud, > > > > On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: > > > Hi Guennadi, > > > > > > On 9/1/20 5:...

...inux.intel.com>; Michael S. Tsirkin > > <mst at redhat.com>; Jason Wang <jasowang at redhat.com>; Ohad Ben-Cohen > > <ohad at wizery.com>; Bjorn Andersson <bjorn.andersson at linaro.org>; Mathieu > > Poirier <mathieu.poirier at linaro.org>; Vincent Whitchurch > > <vincent.whitchurch at axis.com> > > Subject: Re: [PATCH v6 0/4] Add a vhost RPMsg API > > > > Hi Arnaud, > > > > On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: > > > Hi Guennadi, > > > > > > On 9/1/20 5:...

On Thu, Jun 18, 2020 at 11:03:42AM +0200, Guennadi Liakhovetski wrote: > On Wed, Jun 17, 2020 at 09:17:42PM +0200, Vincent Whitchurch wrote: > > On Wed, May 27, 2020 at 08:05:41PM +0200, Guennadi Liakhovetski wrote: > > > Linux supports running the RPMsg protocol over the VirtIO transport > > > protocol, but currently there is only support for VirtIO clients and > > > no support for a VirtIO serve...

On Thu, Jun 18, 2020 at 11:03:42AM +0200, Guennadi Liakhovetski wrote: > On Wed, Jun 17, 2020 at 09:17:42PM +0200, Vincent Whitchurch wrote: > > On Wed, May 27, 2020 at 08:05:41PM +0200, Guennadi Liakhovetski wrote: > > > Linux supports running the RPMsg protocol over the VirtIO transport > > > protocol, but currently there is only support for VirtIO clients and > > > no support for a VirtIO serve...

Hi Arnaud, On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: > Hi Guennadi, > > On 9/1/20 5:11 PM, Guennadi Liakhovetski wrote: > > Hi, > > > > Next update: > > > > v6: > > - rename include/linux/virtio_rpmsg.h -> include/linux/rpmsg/virtio.h > > > > v5: > > - don't hard-code message layout > > >

Hi Arnaud, On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: > Hi Guennadi, > > On 9/1/20 5:11 PM, Guennadi Liakhovetski wrote: > > Hi, > > > > Next update: > > > > v6: > > - rename include/linux/virtio_rpmsg.h -> include/linux/rpmsg/virtio.h > > > > v5: > > - don't hard-code message layout > > >

On Thu, Jun 18, 2020 at 11:33:24AM +0200, Vincent Whitchurch wrote: > On Thu, Jun 18, 2020 at 11:03:42AM +0200, Guennadi Liakhovetski wrote: > > On Wed, Jun 17, 2020 at 09:17:42PM +0200, Vincent Whitchurch wrote: > > > On Wed, May 27, 2020 at 08:05:41PM +0200, Guennadi Liakhovetski wrote: > > > > Linux supports running the RPMsg...

...r.girdwood at linux.intel.com>; Michael S. Tsirkin > <mst at redhat.com>; Jason Wang <jasowang at redhat.com>; Ohad Ben-Cohen > <ohad at wizery.com>; Bjorn Andersson <bjorn.andersson at linaro.org>; Mathieu > Poirier <mathieu.poirier at linaro.org>; Vincent Whitchurch > <vincent.whitchurch at axis.com> > Subject: Re: [PATCH v6 0/4] Add a vhost RPMsg API > > Hi Arnaud, > > On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: > > Hi Guennadi, > > > > On 9/1/20 5:11 PM, Guennadi Liakhovetski wrote: > >...

...ael S. Tsirkin > >>> <mst at redhat.com>; Jason Wang <jasowang at redhat.com>; Ohad Ben-Cohen > >>> <ohad at wizery.com>; Bjorn Andersson <bjorn.andersson at linaro.org>; Mathieu > >>> Poirier <mathieu.poirier at linaro.org>; Vincent Whitchurch > >>> <vincent.whitchurch at axis.com> > >>> Subject: Re: [PATCH v6 0/4] Add a vhost RPMsg API > >>> > >>> Hi Arnaud, > >>> > >>> On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: > >>>> Hi...

...ael S. Tsirkin > >>> <mst at redhat.com>; Jason Wang <jasowang at redhat.com>; Ohad Ben-Cohen > >>> <ohad at wizery.com>; Bjorn Andersson <bjorn.andersson at linaro.org>; Mathieu > >>> Poirier <mathieu.poirier at linaro.org>; Vincent Whitchurch > >>> <vincent.whitchurch at axis.com> > >>> Subject: Re: [PATCH v6 0/4] Add a vhost RPMsg API > >>> > >>> Hi Arnaud, > >>> > >>> On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: > >>>> Hi...

...l.com>; Michael S. Tsirkin >>> <mst at redhat.com>; Jason Wang <jasowang at redhat.com>; Ohad Ben-Cohen >>> <ohad at wizery.com>; Bjorn Andersson <bjorn.andersson at linaro.org>; Mathieu >>> Poirier <mathieu.poirier at linaro.org>; Vincent Whitchurch >>> <vincent.whitchurch at axis.com> >>> Subject: Re: [PATCH v6 0/4] Add a vhost RPMsg API >>> >>> Hi Arnaud, >>> >>> On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: >>>> Hi Guennadi, >>>> >&gt...

On Wed, May 27, 2020 at 08:05:41PM +0200, Guennadi Liakhovetski wrote: > Linux supports running the RPMsg protocol over the VirtIO transport > protocol, but currently there is only support for VirtIO clients and > no support for a VirtIO server. This patch adds a vhost-based RPMsg > server implementation. This looks really useful, but why is it implemented as an API and not as a real

On Wed, May 27, 2020 at 08:05:41PM +0200, Guennadi Liakhovetski wrote: > Linux supports running the RPMsg protocol over the VirtIO transport > protocol, but currently there is only support for VirtIO clients and > no support for a VirtIO server. This patch adds a vhost-based RPMsg > server implementation. This looks really useful, but why is it implemented as an API and not as a real

Hi Vincent, On Wed, Jun 17, 2020 at 09:17:42PM +0200, Vincent Whitchurch wrote: > On Wed, May 27, 2020 at 08:05:41PM +0200, Guennadi Liakhovetski wrote: > > Linux supports running the RPMsg protocol over the VirtIO transport > > protocol, but currently there is only support for VirtIO clients and > > no support for a VirtIO server. This patch adds a...

On Thu, Sep 10, 2020 at 01:13:51PM +0200, Guennadi Liakhovetski wrote: > +int vhost_rpmsg_start_lock(struct vhost_rpmsg *vr, struct vhost_rpmsg_iter *iter, > + unsigned int qid, ssize_t len) > + __acquires(vq->mutex) > +{ > + struct vhost_virtqueue *vq = vr->vq + qid; > + unsigned int cnt; > + ssize_t ret; > + size_t tmp; > + > + if (qid >=

On Thu, Sep 17, 2020 at 07:47:06AM +0200, Guennadi Liakhovetski wrote: > On Tue, Sep 15, 2020 at 02:13:23PM +0200, Arnaud POULIQUEN wrote: > > So i would be agree with Vincent[2] which proposed to switch on a RPMsg API > > and creating a vhost rpmsg device. This is also proposed in the > > "Enhance VHOST to enable SoC-to-SoC communication" RFC[3]. > > Do you