On Thu, 2020-07-23 at 14:47 -0600, Rob Herring wrote:
> On Sat, Jul 11, 2020 at 02:48:43PM +0800, Yong Wu wrote:
> > Some HW IP(ex: CCU) require the special iova range. That means the
> > iova got from dma_alloc_attrs for that devices must locate in his
> > special range. In this patch, we allocate
On Sat, Jul 11, 2020 at 02:48:43PM +0800, Yong Wu wrote:
> Some HW IP(ex: CCU) require the special iova range. That means the
> iova got from dma_alloc_attrs for that devices must locate in his
> special range. In this patch, we allocate a special iova_range for
> each a special requirement and cre
Some HW IP(ex: CCU) require the special iova range. That means the
iova got from dma_alloc_attrs for that devices must locate in his
special range. In this patch, we allocate a special iova_range for
each a special requirement and create each a iommu domain for each
a iova_range.
meanwhile we stil
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