iommu/amd/io_pgtable_v2.c

14 #include <linux/io-pgtable.h>
194 static u64 *fetch_pte(struct amd_io_pgtable *pgtable,
201 	pte = &pgtable->pgd[PM_LEVEL_INDEX(level, iova)];
283 	struct amd_io_pgtable *pgtable = io_pgtable_ops_to_data(ops);
284 	struct io_pgtable_cfg *cfg = &pgtable->iop.cfg;
294 		pte = fetch_pte(pgtable, iova, &unmap_size);
309 	struct amd_io_pgtable *pgtable = io_pgtable_ops_to_data(ops);
313 	pte = fetch_pte(pgtable, iova, &pte_pgsize);
349 	struct amd_io_pgtable *pgtable = container_of(iop, struct amd_io_pgtable, iop);
351 	if (!pgtable || !pgtable->pgd)
355 	free_pgtable(pgtable->pgd, get_pgtable_level());
356 	pgtable->pgd = NULL;
361 	struct amd_io_pgtable *pgtable = io_pgtable_cfg_to_data(cfg);
365 	pgtable->pgd = iommu_alloc_page_node(pdom->nid, GFP_ATOMIC);
366 	if (!pgtable->pgd)
372 	pgtable->iop.ops.map_pages    = iommu_v2_map_pages;
373 	pgtable->iop.ops.unmap_pages  = iommu_v2_unmap_pages;
374 	pgtable->iop.ops.iova_to_phys = iommu_v2_iova_to_phys;
381 	return &pgtable->iop;