Where to collect information for Redfish System's Processors, Storage, Memory data

[Thang Nguyen]

On 18/03/2021 02:45, Ed Tanous wrote:
> On Tue, Mar 16, 2021 at 3:22 AM Thang Nguyen
> <thang at os.amperecomputing.com> wrote:
>> Hi,
>>
>> I am looking for how to support Redfish System schema which information
>> from Host:
>>
>> - Processors: redfish/v1/Systems/system/Processors
>>
>> - Storage: redfish/v1/Systems/system/Storage
>>
>> - Memory: redfish/v1/Systems/system/Memory
>>
>> I looked into the bmcweb repository at redfish-core/lib/memory.hpp and
>> redfish-core/lib/pcie.hpp but just see doGet() function to read data
>> from dbus to report via Redfish. There is no doPost() function to post
>> codes to Redfish.
> Today, there's no way to do this sort of Redfish POST/PATCH for normal
> BIOS use cases.  I'm working on a design doc for how to add this (via
> redfish host interface) to bmcweb.  If you have any ideas here for how
> this should work, or requirements for what you're trying to do,
> please, share.

I checked on the Redfish Schema Supplement document and saw attributes 
from the Memory, Pcie, ... schema are read-only. It means no POST/PATCH 
action is supported now.

How's about suggesting on supporting POST/PATCH action with the needed 
information change to read-write? UEFI will then collect data and send 
Redfish commands via the Redfish Host Interface.

>
>> My questions are:
>>
>> 1. How can Host BIOS collect information and send to BMC so that BMC can
>> report via Redfish? via in-band Redfish?
>>
>> 2. If the information is not from BIOS, how can BMC collect information?
>> What recipes/repositories are used to collect information?
>>
>>
>> Thanks,
>>
>> Thang Q. Nguyen -
>>