What's in a (device) name?

M. Warner Losh imp at bsdimp.com
Mon Apr 10 00:55:35 UTC 2006


In message: <17465.32905.727289.260996 at bhuda.mired.org>
            Mike Meyer <mwm-keyword-freebsdhackers.102a7e at mired.org> writes:
: The major problem with it is that todays bus architectures don't have
: stable device addresses. Instead of devices having a fixed address on
: the bus that the user sets, the addresses are assigned as the devices
: are discovered. This is pretty much a requirement if you want to sell
: hardware to 12:00 flashers. While that's not the market that FreeBSD
: deals with, it is the hardware that FreeBSD runs on.

usb assigns addresses dynamically.  Everyone else does it basically
statically.  PCI slot/device numbers are static, but extreme
configurations can change the bus number.

Warner


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