On Wed, Mar 05, 2014 at 06:54:18PM -0600, [email protected] wrote:
> From: Suravee Suthikulpanit <[email protected]>
>
> In reality, the spec can only support 16-bit PASID since
> INVALIDATE_IOTLB_PAGES and COMPLETE_PPR_REQUEST commands only allow 16-bit
> PASID. So, we updated the PASID_MASK accordingly and invoke BUG_ON
> if the hardware is reporting PASmax more than 16-bit.
>
> Besides, max PASID is defined as ((2^(PASmax+1)) - 1). The current does not
> determine this correctly.
>
> Signed-off-by: Suravee Suthikulpanit <[email protected]>
> Tested-by: Jay Cornwall <[email protected]>
Applied, thanks.
Btw, is there any publicly available driver/way/whatever for me to test the
AMD IOMMUv2 code paths?
Joerg
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