In message: <20050208174027.GA15777@artax.karlin.mff.cuni.cz>
            Pavel Cahyna <pcah8322@artax.karlin.mff.cuni.cz> writes:
: > > BTW what does FreeBSD newbus do?
: > 
: > Text form. Unlike newbus, we allow "dd if=/dev/drvctl of=/dev/stdout bs=1".

Why would you want to do that :-)

: They don't allow this? So their interface is text form and record-oriented,
: where record = line? 

Yes.  But that's just an implementation detail.

: Another question: how to represent insertion of "not configured" device?

On FreeBSD, we give the bus' notion of the pnp information for that
device.

Warner