WIP: ATA to CAM integration

Alexander Motin mav at FreeBSD.org
Tue Jun 16 05:52:49 UTC 2009


Matthew Dillon wrote:
>     I think they mis-spoke.  They are SATA-compliant and Port Multiplier
>     compliant, and they use FIS-based packets, so they pretty much do away
>     with all the ATA baggage, but they don't use the AHCI device interface
>     so they won't probe as an AHCI driver.
> 
>     I can see why they do it that way, though.  It looks like they hide
>     most of the complexity behind the chipset, which is nice.  AHCI
>     exposes a lot of that complexity.
> 
>     It looks like a reasonable chipset.

Agree. It's functionally comparable to the latest AHCI specs, but looks 
more user-friendly.

-- 
Alexander Motin


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