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. good luck, greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
