On Wed, 8 Jul 2020 at 15:20, Eric Auger <[email protected]> wrote: > > HAD is a mandatory features with SMMUv3.1 if S1P is set, which is > our case. Other 3.1 mandatory features come with S2P which we don't > have. > > So let's support HAD and advertise SMMUv3.1 support in AIDR. > > HAD support allows the CD to disable hierarchical attributes, ie. > if the HAD0/1 bit is set, the APTable field of table descriptors > walked through TTB0/1 is ignored. > > Signed-off-by: Eric Auger <[email protected]>
Reviewed-by: Peter Maydell <[email protected]> thanks -- PMM
