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Re: [PATCH v3 5/6] SUPPORT.md: Describe SCMI-SMC layer feature
- To: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, "Andrei Cherechesu (OSS)" <andrei.cherechesu@xxxxxxxxxxx>
- From: Michal Orzel <michal.orzel@xxxxxxx>
- Date: Wed, 18 Dec 2024 15:33:38 +0100
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "S32@xxxxxxx" <S32@xxxxxxx>, Andrei Cherechesu <andrei.cherechesu@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Wed, 18 Dec 2024 14:33:59 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 18/12/2024 11:29, Bertrand Marquis wrote:
>
>
> Hi Andrei,
>
>> On 18 Dec 2024, at 11:11, Andrei Cherechesu (OSS)
>> <andrei.cherechesu@xxxxxxxxxxx> wrote:
>>
>> From: Andrei Cherechesu <andrei.cherechesu@xxxxxxx>
>>
>> Describe the layer which enables SCMI over SMC calls forwarding
>> to EL3 FW if issued by the Hardware domain. If the SCMI firmware
>> node is not found in the Host DT during initialization, it fails
>> silently as it's not mandatory.
>>
>> The SCMI SMCs trapping at EL2 now lets hwdom perform SCMI ops for
>> interacting with system-level resources almost as if it would be
>> running natively.
>>
>> Signed-off-by: Andrei Cherechesu <andrei.cherechesu@xxxxxxx>
>
> Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
Acked-by: Michal Orzel <michal.orzel@xxxxxxx>
~Michal
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