On Thu, Nov 10, 2016 at 07:00:52PM +0100, Auger Eric wrote:
> GICv2m and GICV3 ITS use dma-mapping iommu_dma_map_msi_msg to allocate
> an MSI IOVA on-demand.
Yes, and it the right thing to do there because as a DMA-API
implementation the dma-iommu code cares about the address space
allocation.
As I understand it this is different in your case, as someone else is
defining the address space layout. So why do you need to allocate it
yourself?
Joerg
_______________________________________________
iommu mailing list
[email protected]
https://lists.linuxfoundation.org/mailman/listinfo/iommu
