59 	struct zfcp_adapter *adapter;  in zfcp_init_device_configure()  local
69 	adapter = zfcp_ccw_adapter_by_cdev(cdev);  in zfcp_init_device_configure()
70 	if (!adapter)  in zfcp_init_device_configure()
73 	port = zfcp_get_port_by_wwpn(adapter, wwpn);  in zfcp_init_device_configure()
82 	zfcp_ccw_adapter_put(adapter);  in zfcp_init_device_configure()
184 struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *adapter,  in zfcp_get_port_by_wwpn()  argument
190 	read_lock_irqsave(&adapter->port_list_lock, flags);  in zfcp_get_port_by_wwpn()
191 	list_for_each_entry(port, &adapter->port_list, list)  in zfcp_get_port_by_wwpn()
195 			read_unlock_irqrestore(&adapter->port_list_lock, flags);  in zfcp_get_port_by_wwpn()
198 	read_unlock_irqrestore(&adapter->port_list_lock, flags);  in zfcp_get_port_by_wwpn()
202 static int zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter)  in zfcp_allocate_low_mem_buffers()  argument
204 	adapter->pool.erp_req =  in zfcp_allocate_low_mem_buffers()
206 	if (!adapter->pool.erp_req)  in zfcp_allocate_low_mem_buffers()
209 	adapter->pool.gid_pn_req =  in zfcp_allocate_low_mem_buffers()
211 	if (!adapter->pool.gid_pn_req)  in zfcp_allocate_low_mem_buffers()
214 	adapter->pool.scsi_req =  in zfcp_allocate_low_mem_buffers()
216 	if (!adapter->pool.scsi_req)  in zfcp_allocate_low_mem_buffers()
219 	adapter->pool.scsi_abort =  in zfcp_allocate_low_mem_buffers()
221 	if (!adapter->pool.scsi_abort)  in zfcp_allocate_low_mem_buffers()
224 	adapter->pool.status_read_req =  in zfcp_allocate_low_mem_buffers()
227 	if (!adapter->pool.status_read_req)  in zfcp_allocate_low_mem_buffers()
230 	adapter->pool.qtcb_pool =  in zfcp_allocate_low_mem_buffers()
232 	if (!adapter->pool.qtcb_pool)  in zfcp_allocate_low_mem_buffers()
236 	adapter->pool.sr_data =  in zfcp_allocate_low_mem_buffers()
238 	if (!adapter->pool.sr_data)  in zfcp_allocate_low_mem_buffers()
241 	adapter->pool.gid_pn =  in zfcp_allocate_low_mem_buffers()
243 	if (!adapter->pool.gid_pn)  in zfcp_allocate_low_mem_buffers()
249 static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter)  in zfcp_free_low_mem_buffers()  argument
251 	if (adapter->pool.erp_req)  in zfcp_free_low_mem_buffers()
252 		mempool_destroy(adapter->pool.erp_req);  in zfcp_free_low_mem_buffers()
253 	if (adapter->pool.scsi_req)  in zfcp_free_low_mem_buffers()
254 		mempool_destroy(adapter->pool.scsi_req);  in zfcp_free_low_mem_buffers()
255 	if (adapter->pool.scsi_abort)  in zfcp_free_low_mem_buffers()
256 		mempool_destroy(adapter->pool.scsi_abort);  in zfcp_free_low_mem_buffers()
257 	if (adapter->pool.qtcb_pool)  in zfcp_free_low_mem_buffers()
258 		mempool_destroy(adapter->pool.qtcb_pool);  in zfcp_free_low_mem_buffers()
259 	if (adapter->pool.status_read_req)  in zfcp_free_low_mem_buffers()
260 		mempool_destroy(adapter->pool.status_read_req);  in zfcp_free_low_mem_buffers()
261 	if (adapter->pool.sr_data)  in zfcp_free_low_mem_buffers()
262 		mempool_destroy(adapter->pool.sr_data);  in zfcp_free_low_mem_buffers()
263 	if (adapter->pool.gid_pn)  in zfcp_free_low_mem_buffers()
264 		mempool_destroy(adapter->pool.gid_pn);  in zfcp_free_low_mem_buffers()
276 int zfcp_status_read_refill(struct zfcp_adapter *adapter)  in zfcp_status_read_refill()  argument
278 	while (atomic_read(&adapter->stat_miss) > 0)  in zfcp_status_read_refill()
279 		if (zfcp_fsf_status_read(adapter->qdio)) {  in zfcp_status_read_refill()
280 			if (atomic_read(&adapter->stat_miss) >=  in zfcp_status_read_refill()
281 			    adapter->stat_read_buf_num) {  in zfcp_status_read_refill()
282 				zfcp_erp_adapter_reopen(adapter, 0, "axsref1");  in zfcp_status_read_refill()
287 			atomic_dec(&adapter->stat_miss);  in zfcp_status_read_refill()
299 	struct zfcp_adapter *adapter =  in zfcp_print_sl()  local
303 		   dev_name(&adapter->ccw_device->dev),  in zfcp_print_sl()
304 		   adapter->fsf_lic_version);  in zfcp_print_sl()
307 static int zfcp_setup_adapter_work_queue(struct zfcp_adapter *adapter)  in zfcp_setup_adapter_work_queue()  argument
312 		 dev_name(&adapter->ccw_device->dev));  in zfcp_setup_adapter_work_queue()
313 	adapter->work_queue = create_singlethread_workqueue(name);  in zfcp_setup_adapter_work_queue()
315 	if (adapter->work_queue)  in zfcp_setup_adapter_work_queue()
320 static void zfcp_destroy_adapter_work_queue(struct zfcp_adapter *adapter)  in zfcp_destroy_adapter_work_queue()  argument
322 	if (adapter->work_queue)  in zfcp_destroy_adapter_work_queue()
323 		destroy_workqueue(adapter->work_queue);  in zfcp_destroy_adapter_work_queue()
324 	adapter->work_queue = NULL;  in zfcp_destroy_adapter_work_queue()
339 	struct zfcp_adapter *adapter;  in zfcp_adapter_enqueue()  local
344 	adapter = kzalloc(sizeof(struct zfcp_adapter), GFP_KERNEL);  in zfcp_adapter_enqueue()
345 	if (!adapter) {  in zfcp_adapter_enqueue()
350 	kref_init(&adapter->ref);  in zfcp_adapter_enqueue()
353 	adapter->ccw_device = ccw_device;  in zfcp_adapter_enqueue()
355 	INIT_WORK(&adapter->stat_work, _zfcp_status_read_scheduler);  in zfcp_adapter_enqueue()
356 	INIT_DELAYED_WORK(&adapter->scan_work, zfcp_fc_scan_ports);  in zfcp_adapter_enqueue()
357 	INIT_WORK(&adapter->ns_up_work, zfcp_fc_sym_name_update);  in zfcp_adapter_enqueue()
359 	adapter->next_port_scan = jiffies;  in zfcp_adapter_enqueue()
361 	if (zfcp_qdio_setup(adapter))  in zfcp_adapter_enqueue()
364 	if (zfcp_allocate_low_mem_buffers(adapter))  in zfcp_adapter_enqueue()
367 	adapter->req_list = zfcp_reqlist_alloc();  in zfcp_adapter_enqueue()
368 	if (!adapter->req_list)  in zfcp_adapter_enqueue()
371 	if (zfcp_dbf_adapter_register(adapter))  in zfcp_adapter_enqueue()
374 	if (zfcp_setup_adapter_work_queue(adapter))  in zfcp_adapter_enqueue()
377 	if (zfcp_fc_gs_setup(adapter))  in zfcp_adapter_enqueue()
380 	rwlock_init(&adapter->port_list_lock);  in zfcp_adapter_enqueue()
381 	INIT_LIST_HEAD(&adapter->port_list);  in zfcp_adapter_enqueue()
383 	INIT_LIST_HEAD(&adapter->events.list);  in zfcp_adapter_enqueue()
384 	INIT_WORK(&adapter->events.work, zfcp_fc_post_event);  in zfcp_adapter_enqueue()
385 	spin_lock_init(&adapter->events.list_lock);  in zfcp_adapter_enqueue()
387 	init_waitqueue_head(&adapter->erp_ready_wq);  in zfcp_adapter_enqueue()
388 	init_waitqueue_head(&adapter->erp_done_wqh);  in zfcp_adapter_enqueue()
390 	INIT_LIST_HEAD(&adapter->erp_ready_head);  in zfcp_adapter_enqueue()
391 	INIT_LIST_HEAD(&adapter->erp_running_head);  in zfcp_adapter_enqueue()
393 	rwlock_init(&adapter->erp_lock);  in zfcp_adapter_enqueue()
394 	rwlock_init(&adapter->abort_lock);  in zfcp_adapter_enqueue()
396 	if (zfcp_erp_thread_setup(adapter))  in zfcp_adapter_enqueue()
399 	adapter->service_level.seq_print = zfcp_print_sl;  in zfcp_adapter_enqueue()
401 	dev_set_drvdata(&ccw_device->dev, adapter);  in zfcp_adapter_enqueue()
408 	adapter->dma_parms.max_segment_size = ZFCP_QDIO_SBALE_LEN;  in zfcp_adapter_enqueue()
409 	adapter->ccw_device->dev.dma_parms = &adapter->dma_parms;  in zfcp_adapter_enqueue()
411 	adapter->stat_read_buf_num = FSF_STATUS_READS_RECOM;  in zfcp_adapter_enqueue()
413 	if (!zfcp_scsi_adapter_register(adapter))  in zfcp_adapter_enqueue()
414 		return adapter;  in zfcp_adapter_enqueue()
417 	zfcp_adapter_unregister(adapter);  in zfcp_adapter_enqueue()
421 void zfcp_adapter_unregister(struct zfcp_adapter *adapter)  in zfcp_adapter_unregister()  argument
423 	struct ccw_device *cdev = adapter->ccw_device;  in zfcp_adapter_unregister()
425 	cancel_delayed_work_sync(&adapter->scan_work);  in zfcp_adapter_unregister()
426 	cancel_work_sync(&adapter->stat_work);  in zfcp_adapter_unregister()
427 	cancel_work_sync(&adapter->ns_up_work);  in zfcp_adapter_unregister()
428 	zfcp_destroy_adapter_work_queue(adapter);  in zfcp_adapter_unregister()
430 	zfcp_fc_wka_ports_force_offline(adapter->gs);  in zfcp_adapter_unregister()
431 	zfcp_scsi_adapter_unregister(adapter);  in zfcp_adapter_unregister()
434 	zfcp_erp_thread_kill(adapter);  in zfcp_adapter_unregister()
435 	zfcp_dbf_adapter_unregister(adapter);  in zfcp_adapter_unregister()
436 	zfcp_qdio_destroy(adapter->qdio);  in zfcp_adapter_unregister()
438 	zfcp_ccw_adapter_put(adapter); /* final put to release */  in zfcp_adapter_unregister()
448 	struct zfcp_adapter *adapter = container_of(ref, struct zfcp_adapter,  in zfcp_adapter_release()  local
450 	struct ccw_device *cdev = adapter->ccw_device;  in zfcp_adapter_release()
452 	dev_set_drvdata(&adapter->ccw_device->dev, NULL);  in zfcp_adapter_release()
453 	zfcp_fc_gs_destroy(adapter);  in zfcp_adapter_release()
454 	zfcp_free_low_mem_buffers(adapter);  in zfcp_adapter_release()
455 	kfree(adapter->req_list);  in zfcp_adapter_release()
456 	kfree(adapter->fc_stats);  in zfcp_adapter_release()
457 	kfree(adapter->stats_reset_data);  in zfcp_adapter_release()
458 	kfree(adapter);  in zfcp_adapter_release()
466 	zfcp_ccw_adapter_put(port->adapter);  in zfcp_port_release()
482 struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,  in zfcp_port_enqueue()  argument
488 	kref_get(&adapter->ref);  in zfcp_port_enqueue()
490 	port = zfcp_get_port_by_wwpn(adapter, wwpn);  in zfcp_port_enqueue()
509 	port->adapter = adapter;  in zfcp_port_enqueue()
513 	port->dev.parent = &adapter->ccw_device->dev;  in zfcp_port_enqueue()
528 	write_lock_irq(&adapter->port_list_lock);  in zfcp_port_enqueue()
529 	list_add_tail(&port->list, &adapter->port_list);  in zfcp_port_enqueue()
530 	write_unlock_irq(&adapter->port_list_lock);  in zfcp_port_enqueue()
537 	zfcp_ccw_adapter_put(adapter);  in zfcp_port_enqueue()