[PATCH 3/4] iommu: make IOVA domain low limit flexible

2015-01-12 Thread Robin Murphy
To share the IOVA allocator with other architectures, it needs to accommodate more general aperture restrictions; move the lower limit from a compile-time constant to a runtime domain property to allow IOVA domains with different requirements to co-exist. Also reword the slightly unclear descripti

[RFC PATCH 3/4] iommu: make IOVA domain low limit flexible

2014-11-25 Thread Robin Murphy
To share the IOVA allocator with other architectures, it needs to accommodate more general aperture restrictions; move the lower limit from a compile-time constant to a runtime domain property to allow IOVA domains with different requirements to co-exist. Also reword the slightly unclear descripti