Subject: Re: Valid use of bus_dma(9)?
To: None <tech-kern@NetBSD.org>
From: David Young <firstname.lastname@example.org>
Date: 07/23/2004 16:14:19
On Fri, Jul 23, 2004 at 11:06:26PM +0200, Martin Husemann wrote:
> On Fri, Jul 23, 2004 at 03:38:09PM -0500, David Young wrote:
> > Network drivers don't copy ds_addr into transmit/receive descriptors?
> > How does this work if they are not "system physical addresses" ?
> They are physical addresses from the devices point of view. On some
> systems this is very much different from the CPUs point of view.
Oh? The docs should say so! :-)
David Young OJC Technologies
email@example.com Urbana, IL * (217) 278-3933