From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: User Space Emulation of Devices
Date: 12 Sep 2001 15:14:57 -0700 [thread overview]
Message-ID: <9nomp1$jt7$1@cesium.transmeta.com> (raw)
In-Reply-To: <54045BFDAD47D5118A850002A5095CC30AC57D@exchange1.cam.pace.co.uk> <20010912122826.A6153@bug.ucw.cz> <20010912214444Z271795-760+12170@vger.kernel.org>
Followup to: <20010912214444Z271795-760+12170@vger.kernel.org>
By author: Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>
In newsgroup: linux.dev.kernel
>
> How do you pass an ioctl ? If any parameter is a pointer you actually need a
> complex protocol for passing memory content to make it useful.
>
You need a parameter marshalling system; however, they do exist. It
might actually be that the best way to deal with this is to make a
general module framework and compile a specific module to marshall the
parameters of the device you want to emulate.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
next prev parent reply other threads:[~2001-09-12 22:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-06 8:25 User Space Emulation of Devices Phil Thompson
2001-09-06 12:14 ` joseph.bueno
2001-09-12 10:28 ` Pavel Machek
2001-09-12 21:45 ` Oliver Neukum
2001-09-12 22:14 ` H. Peter Anvin [this message]
2001-09-12 22:34 ` Alan Cox
2001-09-13 18:13 ` Tim Jansen
2001-09-14 4:31 ` Jeremy Elson
2001-09-13 3:53 ` Dwayne C. Litzenberger
-- strict thread matches above, loose matches on Subject: below --
2001-09-13 8:25 Phil Thompson
2001-09-13 18:33 ` Tim Jansen
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