Softoff features in PLDM lib.

Brad Bishop bradleyb at fuzziesquirrel.com
Sat Oct 16 00:27:46 AEDT 2021


On Fri, 2021-10-15 at 11:14 +0700, Thu Nguyen wrote:
> 
> On 12/10/2021 01:01, Brad Bishop wrote:
> > 
> > 
> > How did you implement soft-off-via-bmc before OpenBMC?
> 
> The softoff in OpenBmc is using host IPMI command thru BT interface to
> request shutdown the host OS.
> 
> In Ampere, we are using feature ACPI graceful shutdown, Bmc will
> trigger GPIO SHUTDOWN_REQ,
> 
> Linux host OS detects GPIO pins then shutdown the host OS.

To shutdown the host you set a GPIO.  That's awesome.  Nice and simple,
I like it!

thx - brad



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