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SubjectRe: Driver for sata adapter promise sata300 tx4
On Mon, Aug 01 2005, Jeff Garzik wrote:
> Jens Axboe wrote:
> >On Mon, Aug 01 2005, Daniel Drake wrote:
> >
> >>Otto Meier wrote:
> >>
> >>>My question is also are these features (NCQ/TCQ) and the heigher
> >>>datarate be supported by this
> >>>modification? or is only the basic feature set of sata 150 TX4 supported?
> >>
> >>NCQ support is under development. Search the archives for Jens Axboe's
> >>recent patches to support this. I don't know about TCQ.
> >
> >
> >It's done for ahci, because we have documentation. I have no intention
> >on working on NCQ for chipset where full documentation is not available.
> >But the bulk of the code is the libata core support, adding NCQ support
> >to a sata_* driver should now be fairly trivial (with docs).
> I have docs for the Promise NCQ stuff. Once NCQ is fully fleshed out (I
> haven't wrapped my brain around it in a couple weeks), it shouldn't be
> difficult to add NCQ support to sata_promise.


Jens Axboe

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