linux-kernel - Re: [PATCH 0/2] Add qcom hvc/shmem transport

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Message-ID: <3cc438c8-295e-461b-a842-c6d0f268fe9e@kernel.org>
Date:   Thu, 7 Sep 2023 18:16:11 +0200
From:   Konrad Dybcio <konradybcio@...nel.org>
To:     Nikunj Kela <quic_nkela@...cinc.com>, sudeep.holla@....com
Cc:     cristian.marussi@....com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        agross@...nel.org, andersson@...nel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 0/2] Add qcom hvc/shmem transport

On 18.07.2023 18:08, Nikunj Kela wrote:
> This change introduce a new transport channel for Qualcomm virtual
> platforms. The transport is mechanically similar to ARM_SCMI_TRANSPORT_SMC.
> The difference between the two transports is that a parameter is passed in
> the hypervisor call to identify which doorbell to assert. This parameter is
> dynamically generated at runtime on the device and insuitable to pass via
> the devicetree.
> 
> The function ID and parameter are stored by firmware in the shmem region.
> 
> This has been tested on ARM64 virtual Qualcomm platform.
What can we test it on?

Konrad