Subject: Re: scsipi/physio trouble
To: None <>
From: Martin Husemann <>
List: tech-kern
Date: 01/24/2005 10:21:38
On Mon, Jan 24, 2005 at 03:37:51AM +0100, Reinoud Zandijk wrote:
> What do you guys think? should either scsipi be fixed to not use physio? or 
> should physio be fixed to allow transfers to kernel memeory too?

I don't have any opinion on this, but..

> Feedback would be much apreciated for this means that a lot of IOCTL's like 
> SCIOCCOMMAND (scsi command) can't be be executed from kernel-space.

without knowing the details, this sounds like some abstraction is not right.
Why would anything outside of sys/dev/scsipi need to do SCSI commands?
Everything in there, of course, just calls scsipi_command().

Userland is a different beast, and that's why this ioctl exists.