Read-Only IPMI sensors

[James Feist]

On 08/13/2018 11:33 AM, Adriana Kobylak wrote:
> There are a couple IPMI sensors that are not yet included in the 
> data-driven design of IPMI because they're intended to be read-only 
> (example: https://github.com/openbmc/openbmc/issues/2154).
> 
> Some options to implement these:
> 
> 1. Add support in sdbusplus for read-only properties and map these 
> sensors to a read-only d-bus property.
> 

sdbusplus-asio already has support for read-only properties that you 
might be interested in using / duplicating: 
https://github.com/openbmc/sdbusplus/blob/master/sdbusplus/asio/object_server.hpp#L123 



> 2. Have a (json?) file with the sensor settings and have IPMI and any 
> other interested apps read the file directly to retrieve the sensor values.
> 
> 3. Add read-only sensors to a d-bus object and override the "setter" 
> function to be a no-op to prevent the value from being modified.
> 
> 4. Combination of above / other options.
> 
> Thoughts?
>