[wdmaudiodev] Fixed I/O to memory DMA

Hi.  I'm wondering if there exists a way to create DMA_ADAPTER from 
IoGetDmaAdapter() etc, that will read repeatedly from a fixed 16bit IO port and 
write to contiguous memory. (~ 64k per transfer) I guess you could create mega 
S/G mappings, but is this the way to do this?
 
Thanks,
 
Wade.


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