Re: pci bus to pci bus xfers

["Nish Aravamudan" <nish.aravamudan@xxxxxxxxx>]

On 11/2/06, Mark Hounschell <dmarkh@xxxxxxxxxx> wrote:
> Greg KH wrote:
> > On Wed, Nov 01, 2006 at 01:26:12PM -0500, Mark Hounschell wrote:
> >> We have a method (application/drivers/hardware) where one pci card writes and
> >> reads directly into and out of the sram memory of another pci card on the same
> >> pci bus. This is accomplished by setting up page tables in the writer card with
> >> bus addresses etc. We cannot seem to get this to work when the cards are not
> >> physically on the same pci bus. First, is it physically possible on the x86
> >> platform and second, any hints as to what I need to do it.
> >
> > You might try asking this on the linux-pci mailing list instead, but at
> > first glance, no, I do not think this is possible across different PCI
> > busses.

<snip>

> I can't seem to find a linux-pci list mentioned at
>
> http://vger.kernel.org/vger-lists.html
>
> Where is it?

See MAINTAINERS:

linux-pci <at> atrey <dot> karlin <dot> mff <dot> cuni <dot> cz

Thanks,
Nish

--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/