Discussion of the implementations of VIRTIO specification
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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Peter Hilber <peter.hilber@opensynergy.com>
Cc: virtio-comment@lists.oasis-open.org,
	linux-arm-kernel@lists.infradead.org, Souvik.Chakravarty@arm.com,
	Sudeep.Holla@arm.com, virtio-dev@lists.oasis-open.org
Subject: Re: [virtio-dev] [PATCH v3] Add virtio SCMI device specification
Date: Mon, 23 Mar 2020 17:35:57 +0000	[thread overview]
Message-ID: <87blonas8y.fsf@linaro.org> (raw)
In-Reply-To: <20200317192053.15665-1-peter.hilber@opensynergy.com>


Peter Hilber <peter.hilber@opensynergy.com> writes:

> This patch proposes a new virtio device for the Arm SCMI protocol.
>
> The device provides a simple transport for the Arm SCMI protocol[1]. The
> *S*ystem *C*ontrol and *M*anagement *I*nterface protocol allows speaking
> to system controllers that allow orchestrating things like power
> management, system state management and sensor access. The SCMI protocol
> is used on SoCs where multiple cores and co-processors need access to
> these resources.
>
<snip>
>
> OpenSynergy has a prototype implementation (without device specific
> features so far), and plans to upstream the Linux kernel driver.

Has a RFC of the kernel driver been posted yet? I'm curious on how it
Linux backend integrates with other devices.

>
> The PDF output is available at [2].
>
> [2]
> https://share.mailbox.org/ajax/share/056076e70571144f50c4ca7571144b319a1d7236dda1cd3b/1/8/MzQ/MzQvMQ

This PDF seems to include a fair number of extra devices - including an
RPMB device I'm quite interested in. Is this because you are building
from a tree with a bunch of rolled up updates?

In fact looking closer at the rendered version it seems to be missing
device id 32.

/me wonders off to look at the make tooling in the upstream repo to see
if things can be tweaked a bit.

-- 
Alex Bennée

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  reply	other threads:[~2020-03-23 17:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200220193715.12097-1-peter.hilber@opensynergy.com>
2020-02-27 11:37 ` [virtio-comment] [PATCH v2] Add virtio SCMI device specification Peter Hilber
2020-03-17 19:20   ` [virtio-comment] [PATCH v3] " Peter Hilber
2020-03-23 17:35     ` Alex Bennée [this message]
2020-03-27 14:43       ` [virtio-comment] Re: [virtio-dev] " Alex Bennée
2020-03-27 17:19     ` Alex Bennée
2020-04-09  8:01       ` Peter Hilber
2020-04-24  8:51     ` [virtio-comment] [PATCH v4] " Peter Hilber
2020-05-13 10:48       ` [virtio-comment] " Peter Hilber

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