Hans Holmberg wrote:
I wonder if there is any plans to add pmp support to the sata_sil module ?
I know there's an ugly patch that kind of works, but it seems nothing
has happened since it was posted.
It looks like the controller does have some support for at least setting
the PMP field in the transmitted FIS. I'm not sure if it includes
everything that's needed for full PMP support though. I saw that there
was some talk of a patch to add this, but I'm not sure how fully working
it was.
The Silicon Image 311x controllers are kind of funny beasts. Technically
since they support transparent FIS reception and interlock for all FIS
types, you could implement just about any SATA feature such as NCQ,
ATAPI AN, etc. by overriding the handling of the required FISes. NCQ
might be kind of expensive though, as you'd likely have to take a whole
lot of extra interrupts for FISes to examine to get that to work, you'd
basically be doing most of the SATA state machine in software..
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