Re: [PATCH 1/2] bindings: ipmi: Add property for skipping SBMR boot progress response

From: Rob Herring
Date: Thu Jun 13 2024 - 13:59:55 EST


On Wed, Jun 12, 2024 at 12:32:54PM +0800, Potin Lai wrote:
> In ARM Server Base Manageability Requirements (SBMR) document, Callers can
> choose to not read back Response Data after sending the command "Send Boot
> Progress Code".

Got a link to that document?

> Define "arm-sbmr,skip-bootprogress-response" property for skipping the
> response of "Send Boot Progress Code" from userspace.

I don't understand why this would be conditional? How can you define in
the BMC what the host behavior is? Doesn't the host side decide
that? So don't you always have to support no response?

>
> Signed-off-by: Potin Lai <potin.lai.pt@xxxxxxxxx>
> ---
> Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml b/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
> index 02b662d780bbb..b21e958efc184 100644
> --- a/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
> +++ b/Documentation/devicetree/bindings/ipmi/ssif-bmc.yaml
> @@ -19,6 +19,11 @@ properties:
> reg:
> maxItems: 1
>
> + arm-sbmr,skip-bootprogress-response:

Form is vendor,property-name where vendor is defined in
vendor-prefixes.yaml. 'arm-sbmr' is not a vendor.

> + type: boolean
> + description:
> + Skipping ARM SBMR “Send Boot Progress Code” response.
> +
> required:
> - compatible
> - reg
> --
> 2.31.1
>