>    The PCI bios will (bugs excepted) tell us where it found a particular
>    disk - eg ATA on pci bus 0 device 5 function 1.

Well my BIOS doesn't anyway...  I wonder when this was invented?
 
> these infos aren't stored, in general.  this is why people recent
> have noted they can write a program to dump the device tree but
> without locators.

Saving the actual locaters with the device node would be generic
(and possible!) and should let you dump a sensible looking device
tree.

	David

-- 
David Laight: david@l8s.co.uk