1204 	struct s390_io_adapter *adapter;  in register_io_adapter()  local
1215 	adapter = kzalloc(sizeof(*adapter), GFP_KERNEL);  in register_io_adapter()
1216 	if (!adapter)  in register_io_adapter()
1219 	INIT_LIST_HEAD(&adapter->maps);  in register_io_adapter()
1220 	init_rwsem(&adapter->maps_lock);  in register_io_adapter()
1221 	atomic_set(&adapter->nr_maps, 0);  in register_io_adapter()
1222 	adapter->id = adapter_info.id;  in register_io_adapter()
1223 	adapter->isc = adapter_info.isc;  in register_io_adapter()
1224 	adapter->maskable = adapter_info.maskable;  in register_io_adapter()
1225 	adapter->masked = false;  in register_io_adapter()
1226 	adapter->swap = adapter_info.swap;  in register_io_adapter()
1227 	dev->kvm->arch.adapters[adapter->id] = adapter;  in register_io_adapter()
1235 	struct s390_io_adapter *adapter = get_io_adapter(kvm, id);  in kvm_s390_mask_adapter()  local
1237 	if (!adapter || !adapter->maskable)  in kvm_s390_mask_adapter()
1239 	ret = adapter->masked;  in kvm_s390_mask_adapter()
1240 	adapter->masked = masked;  in kvm_s390_mask_adapter()
1246 	struct s390_io_adapter *adapter = get_io_adapter(kvm, id);  in kvm_s390_adapter_map()  local
1250 	if (!adapter || !addr)  in kvm_s390_adapter_map()
1269 	down_write(&adapter->maps_lock);  in kvm_s390_adapter_map()
1270 	if (atomic_inc_return(&adapter->nr_maps) < MAX_S390_ADAPTER_MAPS) {  in kvm_s390_adapter_map()
1271 		list_add_tail(&map->list, &adapter->maps);  in kvm_s390_adapter_map()
1277 	up_write(&adapter->maps_lock);  in kvm_s390_adapter_map()
1286 	struct s390_io_adapter *adapter = get_io_adapter(kvm, id);  in kvm_s390_adapter_unmap()  local
1290 	if (!adapter || !addr)  in kvm_s390_adapter_unmap()
1293 	down_write(&adapter->maps_lock);  in kvm_s390_adapter_unmap()
1294 	list_for_each_entry_safe(map, tmp, &adapter->maps, list) {  in kvm_s390_adapter_unmap()
1297 			atomic_dec(&adapter->nr_maps);  in kvm_s390_adapter_unmap()
1304 	up_write(&adapter->maps_lock);  in kvm_s390_adapter_unmap()
1331 	struct s390_io_adapter *adapter;  in modify_io_adapter()  local
1337 	adapter = get_io_adapter(dev->kvm, req.id);  in modify_io_adapter()
1338 	if (!adapter)  in modify_io_adapter()
1433 static struct s390_map_info *get_map_info(struct s390_io_adapter *adapter,  in get_map_info()  argument
1438 	if (!adapter)  in get_map_info()
1441 	list_for_each_entry(map, &adapter->maps, list) {  in get_map_info()
1449 				  struct s390_io_adapter *adapter,  in adapter_indicators_set()  argument
1457 	info = get_map_info(adapter, adapter_int->ind_addr);  in adapter_indicators_set()
1461 	bit = get_ind_bit(info->addr, adapter_int->ind_offset, adapter->swap);  in adapter_indicators_set()
1466 	info = get_map_info(adapter, adapter_int->summary_addr);  in adapter_indicators_set()
1473 			  adapter->swap);  in adapter_indicators_set()
1491 	struct s390_io_adapter *adapter;  in set_adapter_int()  local
1496 	adapter = get_io_adapter(kvm, e->adapter.adapter_id);  in set_adapter_int()
1497 	if (!adapter)  in set_adapter_int()
1499 	down_read(&adapter->maps_lock);  in set_adapter_int()
1500 	ret = adapter_indicators_set(kvm, adapter, &e->adapter);  in set_adapter_int()
1501 	up_read(&adapter->maps_lock);  in set_adapter_int()
1502 	if ((ret > 0) && !adapter->masked) {  in set_adapter_int()
1506 			.parm64 = (adapter->isc << 27) | 0x80000000,  in set_adapter_int()
1523 		e->adapter.summary_addr = ue->u.adapter.summary_addr;  in kvm_set_routing_entry()
1524 		e->adapter.ind_addr = ue->u.adapter.ind_addr;  in kvm_set_routing_entry()
1525 		e->adapter.summary_offset = ue->u.adapter.summary_offset;  in kvm_set_routing_entry()
1526 		e->adapter.ind_offset = ue->u.adapter.ind_offset;  in kvm_set_routing_entry()
1527 		e->adapter.adapter_id = ue->u.adapter.adapter_id;  in kvm_set_routing_entry()