[virtio-dev] Re: [PATCH V9] virtio-gpio: Add the device specification

[Cornelia Huck <cohuck@redhat.com>]

On Mon, Aug 09 2021, Viresh Kumar <viresh.kumar@linaro.org> wrote:

> virtio-gpio is a virtual GPIO controller. It provides a way to flexibly
> communicate with the host GPIO controllers from the guest.
>
> Note that the current implementation doesn't provide atomic APIs for
> GPIO configurations. i.e. the driver (guest) would need to implement
> sleep-able versions of the APIs as the guest will respond asynchronously
> over the virtqueue.
>
> This patch adds the specification for it.
>
> Based on the initial work posted by:
> "Enrico Weigelt, metux IT consult" <lkml@metux.net>.
>
> Fixes: https://github.com/oasis-tcs/virtio-spec/issues/110
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---
> V8->V9:
> - Dropped few occurrences of "MUST" from non-normative statements.
> - Send the patch for base GPIO specifications separately, so it can get merged
>   first while the IRQ support is still discussed.
>
> Here is the previous version:
>
> https://lists.oasis-open.org/archives/virtio-dev/202107/msg00232.html
>
>  conformance.tex |  28 +++-
>  content.tex     |   1 +
>  virtio-gpio.tex | 346 ++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 371 insertions(+), 4 deletions(-)
>  create mode 100644 virtio-gpio.tex

Thanks, this looks good to me now.

I'll go ahead and initiate a vote.


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