1167 static void vfio_sub_page_bar_update_mapping(PCIDevice *pdev, int bar)  in vfio_sub_page_bar_update_mapping()  argument
1170     VFIORegion *region = &vdev->bars[bar].region;  in vfio_sub_page_bar_update_mapping()
1182     r = &pdev->io_regions[bar];  in vfio_sub_page_bar_update_mapping()
1184     base_mr = vdev->bars[bar].mr;  in vfio_sub_page_bar_update_mapping()
1196     if (vdev->bars[bar].size < size) {  in vfio_sub_page_bar_update_mapping()
1201     if (size != vdev->bars[bar].size && memory_region_is_mapped(base_mr)) {  in vfio_sub_page_bar_update_mapping()
1296         int bar;  in vfio_pci_write_config()  local
1298         for (bar = 0; bar < PCI_ROM_SLOT; bar++) {  in vfio_pci_write_config()
1299             old_addr[bar] = pdev->io_regions[bar].addr;  in vfio_pci_write_config()
1304         for (bar = 0; bar < PCI_ROM_SLOT; bar++) {  in vfio_pci_write_config()
1305             if (old_addr[bar] != pdev->io_regions[bar].addr &&  in vfio_pci_write_config()
1306                 vdev->bars[bar].region.size > 0 &&  in vfio_pci_write_config()
1307                 vdev->bars[bar].region.size < qemu_real_host_page_size()) {  in vfio_pci_write_config()
1308                 vfio_sub_page_bar_update_mapping(pdev, bar);  in vfio_pci_write_config()
1725     VFIOBAR *bar = &vdev->bars[nr];  in vfio_bar_prepare()  local
1731     if (!bar->region.size) {  in vfio_bar_prepare()
1744     bar->ioport = (pci_bar & PCI_BASE_ADDRESS_SPACE_IO);  in vfio_bar_prepare()
1745     bar->mem64 = bar->ioport ? 0 : (pci_bar & PCI_BASE_ADDRESS_MEM_TYPE_64);  in vfio_bar_prepare()
1746     bar->type = pci_bar & (bar->ioport ? ~PCI_BASE_ADDRESS_IO_MASK :  in vfio_bar_prepare()
1748     bar->size = bar->region.size;  in vfio_bar_prepare()
1762     VFIOBAR *bar = &vdev->bars[nr];  in vfio_bar_register()  local
1765     if (!bar->size) {  in vfio_bar_register()
1769     bar->mr = g_new0(MemoryRegion, 1);  in vfio_bar_register()
1771     memory_region_init_io(bar->mr, OBJECT(vdev), NULL, NULL, name, bar->size);  in vfio_bar_register()
1774     if (bar->region.size) {  in vfio_bar_register()
1775         memory_region_add_subregion(bar->mr, 0, bar->region.mem);  in vfio_bar_register()
1777         if (vfio_region_mmap(&bar->region)) {  in vfio_bar_register()
1783     pci_register_bar(&vdev->pdev, nr, bar->type, bar->mr);  in vfio_bar_register()
1800         VFIOBAR *bar = &vdev->bars[i];  in vfio_bars_exit()  local
1803         vfio_region_exit(&bar->region);  in vfio_bars_exit()
1804         if (bar->region.size) {  in vfio_bars_exit()
1805             memory_region_del_subregion(bar->mr, bar->region.mem);  in vfio_bars_exit()
1820         VFIOBAR *bar = &vdev->bars[i];  in vfio_bars_finalize()  local
1823         vfio_region_finalize(&bar->region);  in vfio_bars_finalize()
1824         if (bar->mr) {  in vfio_bars_finalize()
1825             assert(bar->size);  in vfio_bars_finalize()
1826             object_unparent(OBJECT(bar->mr));  in vfio_bars_finalize()
1827             g_free(bar->mr);  in vfio_bars_finalize()
1828             bar->mr = NULL;  in vfio_bars_finalize()
2734     int bar, ret;  in vfio_pci_load_config()  local
2736     for (bar = 0; bar < PCI_ROM_SLOT; bar++) {  in vfio_pci_load_config()
2737         old_addr[bar] = pdev->io_regions[bar].addr;  in vfio_pci_load_config()
2748     for (bar = 0; bar < PCI_ROM_SLOT; bar++) {  in vfio_pci_load_config()
2753         if (old_addr[bar] != pdev->io_regions[bar].addr &&  in vfio_pci_load_config()
2754             vdev->bars[bar].region.size > 0 &&  in vfio_pci_load_config()
2755             vdev->bars[bar].region.size < qemu_real_host_page_size()) {  in vfio_pci_load_config()
2756             vfio_sub_page_bar_update_mapping(pdev, bar);  in vfio_pci_load_config()