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SubjectRe: ATA streaming feature support
Manish Regmi wrote:
> Hi all,
> First of all sorry for bringing this topic again.
> As discussed in --> http://lkml.org/lkml/2006/5/5/47
> The ATA Streaming feature set is not necessary to be in Kernel Space
> (IDE driver). There is a suggestion creating user space library.
>
> But how is the user space apps going to use the commands like READ
> STREAM DMA EXT (0x2A). Shouldn't there be some support in kernel which
> setups up PRD tables and all.
> It doesn't seem to be possible.... is it?

If you pass SG_IO addresses, they become DMA scatter/gather tables.

Jeff



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