Porting OpenBSD's sysctl hw.sensors framework to FreeBSD

[Robert Watson]

On Tue, 10 Jul 2007, Poul-Henning Kamp wrote:

> Physical measurements are only relevant in the context of their physical 
> location and the OpenBSD enumeration doesn't even encode this, it is only 
> interested in the logical location of the sensor, what kind of bus it is on, 
> what kind of address it has.
>
> For any hw-sensor namespace to make sense, it must, as a minimum, identify 
> the sensors in terms of the device(-drivers) associated with the hardware 
> where the sensor senses, not the device-driver of the sensor itself.
>
> The OpenBSD stuff is a 1980 style hack, and should not be propagated.

This argument would be more convincing if accompanied by a concrete example, 
fabricated or otherwise.  Are you suggesting, for example, adding newbus 
sensor methods associated with existing driver attachments?

Robert N M Watson
Computer Laboratory
University of Cambridge