Re: [PATCH V3 1/3] gpio: Add virtio-gpio driver

[Viresh Kumar <viresh.kumar@xxxxxxxxxx>]

On 14-06-21, 10:07, Enrico Weigelt, metux IT consult wrote:
> On 11.06.21 10:01, Viresh Kumar wrote:
> 
> > No, QEMU passes the raw messages to the backend daemon running in host
> > userspace (which shares a socket with qemu). The backend understands
> > the virtio/vhost protocols and so won't be required to change at all
> > if we move from Qemu to something else. And that's what we (Linaro)
> > are looking to do here with Project Stratos.

This is one of the ways of using it, via a backend running in host
userspace, maybe there are other ways of making this work which I may
not have explored, like handling this within qemu.

> Note that this is completely different from my approach that I've posted
> in autumn last year. Viresh's protocol hasn't much in common with mine.

The protocol hasn't changed in a sense on how it can be used. Yes few
things have moved around, new operations were introduced, but nothing
that will make a change at this level. We are trying to use the
protocol in one of the possible ways and yours can be different.

-- 
viresh