New device wiring option

[Bjoern A. Zeeb]

On 14 Apr 2021, at 18:35, Warner Losh wrote:

> for wiring up CAM devices. However, while these extra uses would be nice,
> supporting them is beyond the scope of the initial work (though hopefully
> the initial work would make enabling these later easier). I plan on
> implementing a generic locator KPI for this, but will focus on only the
> uefi and newbus locators initially. Later acpi, ofw, fdt and other location
> mechanisms can be added. The uefi path stuff, btw, does not require the
> system boot using UEFI.

Probably USB as well?  Having 10 serial consoles on USB Hubs and unplugging
one “early” one it is easy to end up re-numbering the entire chain after a
reboot.  Not sure if this really fits into your problem/implementation domain.

/bz