Re: [PATCH kernel v11 28/34] vfio: powerpc/spapr: powerpc/powernv/ioda: Define and implement DMA windows API

2015-06-01 Thread David Gibson
On Fri, May 29, 2015 at 06:44:52PM +1000, Alexey Kardashevskiy wrote: This extends iommu_table_group_ops by a set of callbacks to support dynamic DMA windows management. create_table() creates a TCE table with specific parameters. it receives iommu_table_group to know nodeid in order to

[PATCH kernel v11 28/34] vfio: powerpc/spapr: powerpc/powernv/ioda: Define and implement DMA windows API

2015-05-29 Thread Alexey Kardashevskiy
This extends iommu_table_group_ops by a set of callbacks to support dynamic DMA windows management. create_table() creates a TCE table with specific parameters. it receives iommu_table_group to know nodeid in order to allocate TCE table memory closer to the PHB. The exact format of allocated