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Re: SATA implementation questions

On Thu, Mar 27, 2008 at 12:22:46AM +0900, KIYOHARA Takashi wrote:
> Hi! all,
> It questions on the SATA implementation.
> I understand that present NetBSD doesn't support the port multiplier.


> Moreover, it is understood that NCQ(Native Command Queueing) is not
> supported. 


> Am I correct?


> # KURO-BOX/PRO's CPU is Marvell 88F5182.  It is SoC.  It have SATA.  ;-)

Is that pciide(4)-style?  I'm guessing no.

ahcisata(4) and my oh-i-hope-i-get-it-in-before-netbsd-5 siisata(4)
are some examples of non-pciide SATA controller drivers.

The ata(4) subsystem may need some work to be able to support NCQ
and Port Multipliers.

        Jonathan Kollasch

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