In gmane.linux.scsi, you wrote:
> On Fri, 9 Sep 2005, Luben Tuikov wrote:
>
>> No self respecting SAS chip would not do 64 bit DMA, or have an sg
>> tablesize or any other limitation.
>>
>> Naturally, aic94xx has _no limitations_. :-) But hey, our hardware just
>> kicks a*s!
>
> That's very nice for you - but lets face it, a SAS layer
> that'll be unable to also deal with the El-Cheapo brand
> controllers isn't going to be very useful.
Nobody knows what these bu^wlimitations will be though. So you cannot
really plan for them in advance. When someone writes drivers for such
limited hardware they can add code to handle the limitations. But it
seems reasonable to start with a clean hardware model, and only
add the hacks later when they are really needed and the requirements
are understood.
-Andi
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