Lines Matching defs:pt_root
158 u64 pt_root = atomic64_read(&domain->pt_root);
160 pgtable->root = (u64 *)(pt_root & PAGE_MASK);
161 pgtable->mode = pt_root & 7; /* lowest 3 bits encode pgtable mode */
166 atomic64_set(&domain->pt_root, root);
177 u64 pt_root;
180 pt_root = mode & 7;
181 pt_root |= (u64)root;
183 amd_iommu_domain_set_pt_root(domain, pt_root);
2430 u64 *pt_root = NULL;
2441 pt_root = (void *)get_zeroed_page(GFP_KERNEL);
2442 if (!pt_root)
2446 amd_iommu_domain_set_pgtable(domain, pt_root, mode);