On Sun, Feb 04, 2001 at 11:33:10AM -0800, Jason R Thorpe wrote:
> On Sun, Feb 04, 2001 at 02:26:29PM -0500, Thor Lancelot Simon wrote:
> 
>  > pciide totally loses with transfers larger than 64k.  I'm surprised that siop
>  > doesn't work -- what limits it to 64k?
> 
> Generally, this is because the max number of segments created in a DMA
> map are ((MAXPHYS / PAGE_SIZE) + 1) (+ 1 to handle transfers that aren't
> page-aligned).

So, if I increase MAXPHYS, this should increase, too, right?  pciide
still doesn't work -- I thought, from reading the driver, that the hardware
had a 64K constraint.  No?