Jeff Garzik wrote:
> On Sun, 30 Jan 2000, Jamie Lokier wrote:
> > How much hardware can do _ISA_ scatter/gather DMA?
>
> * allocate scatter-gather buffers
> * point hardware to buffer #1
> * in interrupt handler or bottom half:
> process buffer
> point hardware at buffer #2
>
> And now your old ISA hardware does scatter-gather.
Usually you don't need megs of DMA memory for that: you can just keep
re-using the same buffers in a ring configuation.
-- Jamie
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