aca6913f55
This is a part of moving TCE table allocation into an iommu_ops callback to support multiple IOMMU groups per one VFIO container. This moves the code which allocates the actual TCE tables to helpers: pnv_pci_ioda2_table_alloc_pages() and pnv_pci_ioda2_table_free_pages(). These do not allocate/free the iommu_table struct. This enforces window size to be a power of two. This should cause no behavioural change. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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