Re: [RFC PATCH] nForce4 ADMA with NCQ: It's aliiiive..

[Mark Lord]

Robert Hancock wrote:
> Mark Lord wrote:
> > Robert Hancock wrote:
..
> > Be careful of that.  The original PDC hardware for ADMA still had
> > the "don't cross a 64KB boundary" requirement.
..
> That is part of the ADMA spec - but in that case, how come the 
> pdc_adma.c driver sets the dma_boundary in the SCSI host template to 
> 4GB? That seems wrong.

Ah, you are correct.  My memory is fading of such things.
The PDC parts are good for 2^34 transfer sizes (bytes).

Cheers
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