243 static bool vfio_listener_skipped_section(MemoryRegionSection *section)  in vfio_listener_skipped_section()  argument
245     return (!memory_region_is_ram(section->mr) &&  in vfio_listener_skipped_section()
246             !memory_region_is_iommu(section->mr)) ||  in vfio_listener_skipped_section()
247            memory_region_is_protected(section->mr) ||  in vfio_listener_skipped_section()
254            section->offset_within_address_space & (1ULL << 63);  in vfio_listener_skipped_section()
348                                             MemoryRegionSection *section)  in vfio_ram_discard_notify_discard()  argument
353     const hwaddr size = int128_get64(section->size);  in vfio_ram_discard_notify_discard()
354     const hwaddr iova = section->offset_within_address_space;  in vfio_ram_discard_notify_discard()
366                                             MemoryRegionSection *section)  in vfio_ram_discard_notify_populate()  argument
371     const hwaddr end = section->offset_within_region +  in vfio_ram_discard_notify_populate()
372                        int128_get64(section->size);  in vfio_ram_discard_notify_populate()
381     for (start = section->offset_within_region; start < end; start = next) {  in vfio_ram_discard_notify_populate()
385         iova = start - section->offset_within_region +  in vfio_ram_discard_notify_populate()
386                section->offset_within_address_space;  in vfio_ram_discard_notify_populate()
387         vaddr = memory_region_get_ram_ptr(section->mr) + start;  in vfio_ram_discard_notify_populate()
390                                      vaddr, section->readonly);  in vfio_ram_discard_notify_populate()
393             vfio_ram_discard_notify_discard(rdl, section);  in vfio_ram_discard_notify_populate()
401                                                MemoryRegionSection *section)  in vfio_register_ram_discard_listener()  argument
403     RamDiscardManager *rdm = memory_region_get_ram_discard_manager(section->mr);  in vfio_register_ram_discard_listener()
407     g_assert(QEMU_IS_ALIGNED(section->offset_within_region, TARGET_PAGE_SIZE));  in vfio_register_ram_discard_listener()
408     g_assert(QEMU_IS_ALIGNED(section->offset_within_address_space,  in vfio_register_ram_discard_listener()
410     g_assert(QEMU_IS_ALIGNED(int128_get64(section->size), TARGET_PAGE_SIZE));  in vfio_register_ram_discard_listener()
414     vrdl->mr = section->mr;  in vfio_register_ram_discard_listener()
415     vrdl->offset_within_address_space = section->offset_within_address_space;  in vfio_register_ram_discard_listener()
416     vrdl->size = int128_get64(section->size);  in vfio_register_ram_discard_listener()
418                                                                 section->mr);  in vfio_register_ram_discard_listener()
427     ram_discard_manager_register_listener(rdm, &vrdl->listener, section);  in vfio_register_ram_discard_listener()
475                                                  MemoryRegionSection *section)  in vfio_unregister_ram_discard_listener()  argument
477     RamDiscardManager *rdm = memory_region_get_ram_discard_manager(section->mr);  in vfio_unregister_ram_discard_listener()
481         if (vrdl->mr == section->mr &&  in vfio_unregister_ram_discard_listener()
483             section->offset_within_address_space) {  in vfio_unregister_ram_discard_listener()
497 static bool vfio_known_safe_misalignment(MemoryRegionSection *section)  in vfio_known_safe_misalignment()  argument
499     MemoryRegion *mr = section->mr;  in vfio_known_safe_misalignment()
507                                        section->offset_within_address_space,  in vfio_known_safe_misalignment()
508                                        section->offset_within_region,  in vfio_known_safe_misalignment()
513 static bool vfio_listener_valid_section(MemoryRegionSection *section,  in vfio_listener_valid_section()  argument
516     if (vfio_listener_skipped_section(section)) {  in vfio_listener_valid_section()
518                 section->offset_within_address_space,  in vfio_listener_valid_section()
519                 section->offset_within_address_space +  in vfio_listener_valid_section()
520                 int128_get64(int128_sub(section->size, int128_one())));  in vfio_listener_valid_section()
524     if (unlikely((section->offset_within_address_space &  in vfio_listener_valid_section()
526                  (section->offset_within_region & ~qemu_real_host_page_mask()))) {  in vfio_listener_valid_section()
527         if (!vfio_known_safe_misalignment(section)) {  in vfio_listener_valid_section()
531                          __func__, memory_region_name(section->mr),  in vfio_listener_valid_section()
532                          section->offset_within_address_space,  in vfio_listener_valid_section()
533                          section->offset_within_region,  in vfio_listener_valid_section()
543                                         MemoryRegionSection *section,  in vfio_get_section_iova_range()  argument
550     iova = REAL_HOST_PAGE_ALIGN(section->offset_within_address_space);  in vfio_get_section_iova_range()
551     llend = int128_make64(section->offset_within_address_space);  in vfio_get_section_iova_range()
552     llend = int128_add(llend, section->size);  in vfio_get_section_iova_range()
568                                      MemoryRegionSection *section)  in vfio_listener_region_add()  argument
578     if (!vfio_listener_valid_section(section, "region_add")) {  in vfio_listener_region_add()
582     if (!vfio_get_section_iova_range(bcontainer, section, &iova, &end,  in vfio_listener_region_add()
584         if (memory_region_is_ram_device(section->mr)) {  in vfio_listener_region_add()
586                 memory_region_name(section->mr),  in vfio_listener_region_add()
587                 section->offset_within_address_space,  in vfio_listener_region_add()
588                 int128_getlo(section->size),  in vfio_listener_region_add()
594     if (!vfio_container_add_section_window(bcontainer, section, &err)) {  in vfio_listener_region_add()
598     memory_region_ref(section->mr);  in vfio_listener_region_add()
600     if (memory_region_is_iommu(section->mr)) {  in vfio_listener_region_add()
602         IOMMUMemoryRegion *iommu_mr = IOMMU_MEMORY_REGION(section->mr);  in vfio_listener_region_add()
605         trace_vfio_listener_region_add_iommu(section->mr->name, iova, end);  in vfio_listener_region_add()
614         giommu->iommu_offset = section->offset_within_address_space -  in vfio_listener_region_add()
615                                section->offset_within_region;  in vfio_listener_region_add()
617         llend = int128_add(int128_make64(section->offset_within_region),  in vfio_listener_region_add()
618                            section->size);  in vfio_listener_region_add()
624                             section->offset_within_region,  in vfio_listener_region_add()
628         ret = memory_region_register_iommu_notifier(section->mr, &giommu->n,  in vfio_listener_region_add()
647     if (memory_region_has_ram_discard_manager(section->mr)) {  in vfio_listener_region_add()
648         vfio_register_ram_discard_listener(bcontainer, section);  in vfio_listener_region_add()
652     vaddr = memory_region_get_ram_ptr(section->mr) +  in vfio_listener_region_add()
653             section->offset_within_region +  in vfio_listener_region_add()
654             (iova - section->offset_within_address_space);  in vfio_listener_region_add()
660     if (memory_region_is_ram_device(section->mr)) {  in vfio_listener_region_add()
665                 memory_region_name(section->mr),  in vfio_listener_region_add()
666                 section->offset_within_address_space,  in vfio_listener_region_add()
667                 int128_getlo(section->size),  in vfio_listener_region_add()
674                                  vaddr, section->readonly);  in vfio_listener_region_add()
680         if (memory_region_is_ram_device(section->mr)) {  in vfio_listener_region_add()
691     if (memory_region_is_ram_device(section->mr)) {  in vfio_listener_region_add()
704                                     memory_region_name(section->mr));  in vfio_listener_region_add()
715                                      MemoryRegionSection *section)  in vfio_listener_region_del()  argument
724     if (!vfio_listener_valid_section(section, "region_del")) {  in vfio_listener_region_del()
728     if (memory_region_is_iommu(section->mr)) {  in vfio_listener_region_del()
731         trace_vfio_listener_region_del_iommu(section->mr->name);  in vfio_listener_region_del()
733             if (MEMORY_REGION(giommu->iommu_mr) == section->mr &&  in vfio_listener_region_del()
734                 giommu->n.start == section->offset_within_region) {  in vfio_listener_region_del()
735                 memory_region_unregister_iommu_notifier(section->mr,  in vfio_listener_region_del()
752     if (!vfio_get_section_iova_range(bcontainer, section, &iova, &end,  in vfio_listener_region_del()
761     if (memory_region_is_ram_device(section->mr)) {  in vfio_listener_region_del()
766     } else if (memory_region_has_ram_discard_manager(section->mr)) {  in vfio_listener_region_del()
767         vfio_unregister_ram_discard_listener(bcontainer, section);  in vfio_listener_region_del()
796     memory_region_unref(section->mr);  in vfio_listener_region_del()
798     vfio_container_del_section_window(bcontainer, section);  in vfio_listener_region_del()
816 static bool vfio_section_is_vfio_pci(MemoryRegionSection *section,  in vfio_section_is_vfio_pci()  argument
823     owner = memory_region_owner(section->mr);  in vfio_section_is_vfio_pci()
881                                        MemoryRegionSection *section)  in vfio_dirty_tracking_update()  argument
887     if (!vfio_listener_valid_section(section, "tracking_update") ||  in vfio_dirty_tracking_update()
888         !vfio_get_section_iova_range(dirty->bcontainer, section,  in vfio_dirty_tracking_update()
894                       vfio_section_is_vfio_pci(section, dirty->bcontainer));  in vfio_dirty_tracking_update()
1250 static int vfio_ram_discard_get_dirty_bitmap(MemoryRegionSection *section,  in vfio_ram_discard_get_dirty_bitmap()  argument
1253     const hwaddr size = int128_get64(section->size);  in vfio_ram_discard_get_dirty_bitmap()
1254     const hwaddr iova = section->offset_within_address_space;  in vfio_ram_discard_get_dirty_bitmap()
1255     const ram_addr_t ram_addr = memory_region_get_ram_addr(section->mr) +  in vfio_ram_discard_get_dirty_bitmap()
1256                                 section->offset_within_region;  in vfio_ram_discard_get_dirty_bitmap()
1275                                             MemoryRegionSection *section)  in vfio_sync_ram_discard_listener_dirty_bitmap()  argument
1277     RamDiscardManager *rdm = memory_region_get_ram_discard_manager(section->mr);  in vfio_sync_ram_discard_listener_dirty_bitmap()
1281         if (vrdl->mr == section->mr &&  in vfio_sync_ram_discard_listener_dirty_bitmap()
1283             section->offset_within_address_space) {  in vfio_sync_ram_discard_listener_dirty_bitmap()
1296     return ram_discard_manager_replay_populated(rdm, section,  in vfio_sync_ram_discard_listener_dirty_bitmap()
1302                                         MemoryRegionSection *section)  in vfio_sync_iommu_dirty_bitmap()  argument
1311         if (MEMORY_REGION(giommu->iommu_mr) == section->mr &&  in vfio_sync_iommu_dirty_bitmap()
1312             giommu->n.start == section->offset_within_region) {  in vfio_sync_iommu_dirty_bitmap()
1326     llend = int128_add(int128_make64(section->offset_within_region),  in vfio_sync_iommu_dirty_bitmap()
1327                        section->size);  in vfio_sync_iommu_dirty_bitmap()
1331                         section->offset_within_region, int128_get64(llend),  in vfio_sync_iommu_dirty_bitmap()
1339                                   MemoryRegionSection *section, Error **errp)  in vfio_sync_dirty_bitmap()  argument
1343     if (memory_region_is_iommu(section->mr)) {  in vfio_sync_dirty_bitmap()
1344         return vfio_sync_iommu_dirty_bitmap(bcontainer, section);  in vfio_sync_dirty_bitmap()
1345     } else if (memory_region_has_ram_discard_manager(section->mr)) {  in vfio_sync_dirty_bitmap()
1348         ret = vfio_sync_ram_discard_listener_dirty_bitmap(bcontainer, section);  in vfio_sync_dirty_bitmap()
1356     ram_addr = memory_region_get_ram_addr(section->mr) +  in vfio_sync_dirty_bitmap()
1357                section->offset_within_region;  in vfio_sync_dirty_bitmap()
1360                    REAL_HOST_PAGE_ALIGN(section->offset_within_address_space),  in vfio_sync_dirty_bitmap()
1361                                  int128_get64(section->size), ram_addr, errp);  in vfio_sync_dirty_bitmap()
1365         MemoryRegionSection *section)  in vfio_listener_log_sync()  argument
1372     if (vfio_listener_skipped_section(section)) {  in vfio_listener_log_sync()
1377         ret = vfio_sync_dirty_bitmap(bcontainer, section, &local_err);  in vfio_listener_log_sync()