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SubjectRe: [Q] How can I transfer data from hard disk to PCI device's memory
On Iau, 2003-08-07 at 06:45, Cho, joon-woo wrote:
> Hello.
> I want to transfer data 'directly' from hard disk to some PCI device which
> has memory
> with the helpf of kernel(file system, device driver).

The kernel doesn;t currently support this. The O_DIRECT I/O handling
needs to know about stuff like page reference counts that PCI space
doesn't have lots of older (and some current) hardware has real problems
with PCI PCI transfers.

So its a non trivial project, although doable

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