On Mon, Nov 23, 2020 at 12:51:14PM +0000, Christoph Hellwig wrote: > On Mon, Nov 23, 2020 at 02:28:20PM +0200, Mika Westerberg wrote: > > On Mon, Nov 23, 2020 at 11:38:01AM +0000, Christoph Hellwig wrote: > > > The point is: these AHCI controllers do not support RAID in form > > > despite the confusing naming. > > > > Are you sure? > > > > I looked at the Emmitsburg data sheet and it actually seems to support > > some sort of RAID but it requires some special Rapid Storage Technology > > [1] drivers from Intel. Probably the idea is that when in "RAID mode" > > the thing, as AHCI spec says, does not announce itself to be AHCI > > compliant which makes Windows inbox AHCI driver to not to load, and this > > allows the Intel propriatery driver to load that then takes advantage of > > this somehow. > > Yes, and that is purely (badly implemented) software RAID. Sorry for the delay. I'm trying to find the AHCI owners at Intel and forward this request to them. I would not hold my breath though that anything will change but I'll try :) Even if that would change, Emmitsburg still needs these PCI IDs so hope this patch if fine for you.
