PECI API?

Rick Altherr raltherr at google.com
Thu Oct 26 07:11:07 AEDT 2017


I'll gladly review patches that propose a new kernel subsystem.  Based
on Ed's comments, I expect it would be very similar to the i2c
subsystem.

On Tue, Oct 24, 2017 at 4:12 AM, David Müller (ELSOFT AG)
<d.mueller at elsoft.ch> wrote:
> Hello
>
> Tanous, Ed wrote:
>
>> What are you looking at doing with it?
>
> PECI seems to play a major role in the communication between the BMC and
> x86 CPUs, as a lot of the system control/status infrastructure is only
> accessible by the BMC through PECI.
>
> Possible use cases may be:
>
> - Get CPU temperature.
> - Get CPU machine check exception info.
> - After a cold boot, delay CPU start until BMC is up and running.
>
>
> Dave


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