1793 	struct s390_io_adapter *adapter;  in register_io_adapter()  local
1804 	adapter = kzalloc(sizeof(*adapter), GFP_KERNEL);  in register_io_adapter()
1805 	if (!adapter)  in register_io_adapter()
1808 	INIT_LIST_HEAD(&adapter->maps);  in register_io_adapter()
1809 	init_rwsem(&adapter->maps_lock);  in register_io_adapter()
1810 	atomic_set(&adapter->nr_maps, 0);  in register_io_adapter()
1811 	adapter->id = adapter_info.id;  in register_io_adapter()
1812 	adapter->isc = adapter_info.isc;  in register_io_adapter()
1813 	adapter->maskable = adapter_info.maskable;  in register_io_adapter()
1814 	adapter->masked = false;  in register_io_adapter()
1815 	adapter->swap = adapter_info.swap;  in register_io_adapter()
1816 	dev->kvm->arch.adapters[adapter->id] = adapter;  in register_io_adapter()
1824 	struct s390_io_adapter *adapter = get_io_adapter(kvm, id);  in kvm_s390_mask_adapter()  local
1826 	if (!adapter || !adapter->maskable)  in kvm_s390_mask_adapter()
1828 	ret = adapter->masked;  in kvm_s390_mask_adapter()
1829 	adapter->masked = masked;  in kvm_s390_mask_adapter()
1835 	struct s390_io_adapter *adapter = get_io_adapter(kvm, id);  in kvm_s390_adapter_map()  local
1839 	if (!adapter || !addr)  in kvm_s390_adapter_map()
1858 	down_write(&adapter->maps_lock);  in kvm_s390_adapter_map()
1859 	if (atomic_inc_return(&adapter->nr_maps) < MAX_S390_ADAPTER_MAPS) {  in kvm_s390_adapter_map()
1860 		list_add_tail(&map->list, &adapter->maps);  in kvm_s390_adapter_map()
1866 	up_write(&adapter->maps_lock);  in kvm_s390_adapter_map()
1875 	struct s390_io_adapter *adapter = get_io_adapter(kvm, id);  in kvm_s390_adapter_unmap()  local
1879 	if (!adapter || !addr)  in kvm_s390_adapter_unmap()
1882 	down_write(&adapter->maps_lock);  in kvm_s390_adapter_unmap()
1883 	list_for_each_entry_safe(map, tmp, &adapter->maps, list) {  in kvm_s390_adapter_unmap()
1886 			atomic_dec(&adapter->nr_maps);  in kvm_s390_adapter_unmap()
1893 	up_write(&adapter->maps_lock);  in kvm_s390_adapter_unmap()
1920 	struct s390_io_adapter *adapter;  in modify_io_adapter()  local
1926 	adapter = get_io_adapter(dev->kvm, req.id);  in modify_io_adapter()
1927 	if (!adapter)  in modify_io_adapter()
2022 static struct s390_map_info *get_map_info(struct s390_io_adapter *adapter,  in get_map_info()  argument
2027 	if (!adapter)  in get_map_info()
2030 	list_for_each_entry(map, &adapter->maps, list) {  in get_map_info()
2038 				  struct s390_io_adapter *adapter,  in adapter_indicators_set()  argument
2046 	info = get_map_info(adapter, adapter_int->ind_addr);  in adapter_indicators_set()
2050 	bit = get_ind_bit(info->addr, adapter_int->ind_offset, adapter->swap);  in adapter_indicators_set()
2055 	info = get_map_info(adapter, adapter_int->summary_addr);  in adapter_indicators_set()
2062 			  adapter->swap);  in adapter_indicators_set()
2080 	struct s390_io_adapter *adapter;  in set_adapter_int()  local
2085 	adapter = get_io_adapter(kvm, e->adapter.adapter_id);  in set_adapter_int()
2086 	if (!adapter)  in set_adapter_int()
2088 	down_read(&adapter->maps_lock);  in set_adapter_int()
2089 	ret = adapter_indicators_set(kvm, adapter, &e->adapter);  in set_adapter_int()
2090 	up_read(&adapter->maps_lock);  in set_adapter_int()
2091 	if ((ret > 0) && !adapter->masked) {  in set_adapter_int()
2095 			.parm64 = (adapter->isc << 27) | 0x80000000,  in set_adapter_int()
2112 		e->adapter.summary_addr = ue->u.adapter.summary_addr;  in kvm_set_routing_entry()
2113 		e->adapter.ind_addr = ue->u.adapter.ind_addr;  in kvm_set_routing_entry()
2114 		e->adapter.summary_offset = ue->u.adapter.summary_offset;  in kvm_set_routing_entry()
2115 		e->adapter.ind_offset = ue->u.adapter.ind_offset;  in kvm_set_routing_entry()
2116 		e->adapter.adapter_id = ue->u.adapter.adapter_id;  in kvm_set_routing_entry()