Subject: Re: Various NetBSD kernel questions to help with port of FreeBSD "zaptel" drivers.
To: None <firstname.lastname@example.org>
From: Jason Thorpe <email@example.com>
Date: 11/08/2004 13:07:20
Content-Type: text/plain; charset=US-ASCII; format=flowed
On Nov 8, 2004, at 12:05 PM, Thor Lancelot Simon wrote:
> If the user/kernel interface for this device under Linux has semantics
> that require per-descriptor private data, you can manage it under
> though it's not tremendously pretty. Have a look at the various
> device implementations in the kernel modules that implement VMware
> compatibility; they need to do that. You might also want to have a
> at the "devvp" branch (or did we finally merge that?) which was
> to make this sort of thing easier.
devvp had some fundamental flaws, and is dead.
You can take a look at the "dmover" stuff, too... it is a "per-open
cloning" device. All the magic happens in dmoverioopen().
-- Jason R. Thorpe <firstname.lastname@example.org>
content-type: application/pgp-signature; x-mac-type=70674453;
content-description: This is a digitally signed message part
content-disposition: inline; filename=PGP.sig
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.3 (Darwin)
-----END PGP SIGNATURE-----