linux-kernel - Re: [PATCH v4 0/11] Introduce a unified API for SCMI Server testing

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Message-ID: <645ffd03-b49d-9e6e-7541-21c11eab0aef@gmail.com>
Date:   Fri, 28 Oct 2022 07:44:32 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Cristian Marussi <cristian.marussi@....com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     sudeep.holla@....com, james.quinlan@...adcom.com,
        Jonathan.Cameron@...wei.com, etienne.carriere@...aro.org,
        vincent.guittot@...aro.org, souvik.chakravarty@....com,
        wleavitt@...vell.com, peter.hilber@...nsynergy.com,
        nicola.mazzucato@....com, tarek.el-sherbiny@....com,
        quic_kshivnan@...cinc.com
Subject: Re: [PATCH v4 0/11] Introduce a unified API for SCMI Server testing

Hi Christian,

On 10/19/2022 1:46 PM, Cristian Marussi wrote:
> Hi all,
> 
> This series aims to introduce a new SCMI unified userspace interface meant
> to ease testing an SCMI Server implementation for compliance, fuzzing etc.,
> from the perspective of the OSPM agent (non-secure world only ...)
> 
> It is proposed as a testing/development facility, it is NOT meant to be a
> feature to use in production, but only enabled in Kconfig for test
> deployments.
> 
> Currently an SCMI Compliance Suite like the one at [1] can only work by
> injecting SCMI messages at the SCMI transport layer using the mailbox test
> driver (CONFIG_MAILBOX_TEST) via its few debugfs entries and looking at
> the related replies from the SCMI backend Server.

I plan on giving this a try on our systems later today and will let you 
know the outcome. This is very useful for making sure the SCMI 
implementation is both correct and properly hardened.
-- 
Florian