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Date: Wed, 19 Apr 2006 22:39:33 -0600 (MDT)
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To: bms@spc.org
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: freebsd-current@freebsd.org, livefreebsd@mac.com
Subject: Re: cPCI Hotplug support
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In message: <20060419233325.GF28496@spc.org>
            Bruce M Simpson <bms@spc.org> writes:
: On Sun, Apr 16, 2006 at 01:12:53PM -0400, livefreebsd@mac.com wrote:
: > Does 6.0 not support hot-swap Compact PCI?
: 
: No, to the best of my knowledge.

6.0 supports Compact PCI machines that are also hot-swap.  It doesn't
support hot-swapping the cards.

: > Can we port the code for this from Linux?
: 
: Not really, unless you're referring to code for specific enclosure
: hotplug controllers; the code in Linux is of course GPL encumbered.
: 
: Some other things need to change in the PCI code for this to really
: be possible (multiple PCI nexus instances, for example, and the ability
: to renumber the buses correctly when a new bus is plugged in).

Or conversely the ability to number the busses sanely to start
with...  There's a big problem with renumbering the busses on the
fly...

Warner