[PATCH V5 4/6] powerpc/powernv: replace the hard coded boundary with gate

2015-10-08 Thread Wei Yang
At the moment 64bit-prefetchable window can be maximum 64GB, which is currently got from device tree. This means that in shared mode the maximum supported VF BAR size is 64GB/256=256MB. While this size could exhaust the whole 64bit-prefetchable window. This is a design decision to set a boundary to

[PATCH V5 4/6] powerpc/powernv: replace the hard coded boundary with gate

2015-09-02 Thread Wei Yang
At the moment 64bit-prefetchable window can be maximum 64GB, which is currently got from device tree. This means that in shared mode the maximum supported VF BAR size is 64GB/256=256MB. While this size could exhaust the whole 64bit-prefetchable window. This is a design decision to set a boundary to