understanding the /proc/dma file
MonMotha
monmotha at indy.rr.com
Thu Feb 7 20:04:20 PST 2002
As I recall, cascade is used to add on extra DMAs (and interrupts too, I
think it's IRQ 3?) from the original intel archectecture. But I'm not
an intel archetecture genius, so I could be wrong :)
--MonMotha
Charles Lockhart wrote:
> I've been trying to find out what dma channels my system is using. When I
> look at the /proc/dma file, it only has one entry:
>
> 4: cascade
>
> It contains this even when I have a thread running performing looped dma
> accesses to a device. What am I missing (besides a brain, thanks)?
>
> Thanks,
>
> -Charles
>
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