linux-kernel - Re: [PATCH v4 0/4] Add qcom hvc/shmem transport support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 18 Sep 2023 08:01:26 -0700
From:   Nikunj Kela <quic_nkela@...cinc.com>
To:     <sudeep.holla@....com>
CC:     <cristian.marussi@....com>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <andersson@...nel.org>, <konrad.dybcio@...aro.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 v4 0/4] Add qcom hvc/shmem transport support

Gentle Ping!

On 9/11/2023 12:43 PM, Nikunj Kela wrote:
> This change augments smc transport to include support for Qualcomm virtual
> platforms by passing a parameter(capability-id) 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.
>
> ---
> v4 -> port the changes into smc.c
>
> v3 -> fix the compilation error reported by the test bot,
>        add support for polling based instances
>
> v2 -> use allOf construct in dtb schema,
>        remove wrappers from mutexes,
>        use architecture independent channel layout
>
> v1 -> original patches
>
> Nikunj Kela (4):
>    firmware: arm_scmi: Add polling support for completion in smc
>    dt-bindings: arm: convert nested if-else construct to allOf
>    dt-bindings: arm: Add new compatible for smc/hvc transport for SCMI
>    firmware: arm_scmi: Add qcom hvc/shmem transport support
>
>   .../bindings/firmware/arm,scmi.yaml           | 67 +++++++++++--------
>   drivers/firmware/arm_scmi/Kconfig             | 14 ++++
>   drivers/firmware/arm_scmi/driver.c            |  1 +
>   drivers/firmware/arm_scmi/smc.c               | 62 +++++++++++++++--
>   4 files changed, 110 insertions(+), 34 deletions(-)
>