linux-kernel - Re: [PATCH v2 2/2] ipmi: ssif_bmc: add GPIO-based alert mechanism

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 for Android: free password hash cracker in your pocket

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

Message-ID: <CAGfYmwXotiDHCJJod0Q-SjC9GyuCFFhO+qj9SXCQFud5JgFHSA@mail.gmail.com>
Date: Tue, 19 Nov 2024 09:47:47 +0800
From: Potin Lai <potin.lai.pt@...il.com>
To: Quan Nguyen <quan@...amperecomputing.com>
Cc: Corey Minyard <minyard@....org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Patrick Williams <patrick@...cx.xyz>, openipmi-developer@...ts.sourceforge.net, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Cosmo Chou <cosmo.chou@...ntatw.com>, Potin Lai <potin.lai@...ntatw.com>, 
	Cosmo Chou <chou.cosmo@...il.com>
Subject: Re: [PATCH v2 2/2] ipmi: ssif_bmc: add GPIO-based alert mechanism

On Thu, Oct 24, 2024 at 12:29 PM Quan Nguyen
<quan@...amperecomputing.com> wrote:
>
>
>
> On 22/10/2024 08:20, Potin Lai wrote:
> > From: Cosmo Chou <chou.cosmo@...il.com>
> >
> > Implement GPIO-based alert mechanism in the SSIF BMC driver to notify
> > the host when a response is ready.
> >
> > This improves host-BMC communication efficiency by providing immediate
> > notification, potentially reducing host polling overhead.
> >
> > Signed-off-by: Cosmo Chou <chou.cosmo@...il.com>
> > ---
> >   drivers/char/ipmi/ssif_bmc.c | 15 +++++++++++++++
> >   1 file changed, 15 insertions(+)
> >
>
> Thanks for adding feature to this driver, the code looks good to me.
>
> Reviewed-by: Quan Nguyen <quan@...amperecomputing.com>
>
> I'm just have a bit of curious on how the ipmi_ssif in host side to work
> with this mechanism? Will there be patches for ipmi_ssif to use this
> feature followed?
>
> Thanks and Best regards,
> - Quan

Hi Quan,

Sorry for the late reply.
This implementation is only tested with our BIOS team, and they are
not using linux driver for ssif feature.
At moment, we don't have plan to add changes in ipmi_ssif.

Thanks,
Potin