setting PIO and DMA programatically!!!!!!!!!!

[Anand Franklin J]

Hello all,
    In the development of filesystem i have a requirement for both PIO
and DMA for the data transfer. how can i set both PIO and DMA
simulateounsly and use the kernel read system call. is it possible and
how, can any body give information to it.
thanking you
franklin.


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/