61 	struct zfcp_adapter *adapter;  in zfcp_init_device_configure()  local
71 	adapter = zfcp_ccw_adapter_by_cdev(cdev);  in zfcp_init_device_configure()
72 	if (!adapter)  in zfcp_init_device_configure()
75 	port = zfcp_get_port_by_wwpn(adapter, wwpn);  in zfcp_init_device_configure()
84 	zfcp_ccw_adapter_put(adapter);  in zfcp_init_device_configure()
189 struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *adapter,  in zfcp_get_port_by_wwpn()  argument
195 	read_lock_irqsave(&adapter->port_list_lock, flags);  in zfcp_get_port_by_wwpn()
196 	list_for_each_entry(port, &adapter->port_list, list)  in zfcp_get_port_by_wwpn()
200 			read_unlock_irqrestore(&adapter->port_list_lock, flags);  in zfcp_get_port_by_wwpn()
203 	read_unlock_irqrestore(&adapter->port_list_lock, flags);  in zfcp_get_port_by_wwpn()
207 static int zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter)  in zfcp_allocate_low_mem_buffers()  argument
209 	adapter->pool.erp_req =  in zfcp_allocate_low_mem_buffers()
211 	if (!adapter->pool.erp_req)  in zfcp_allocate_low_mem_buffers()
214 	adapter->pool.gid_pn_req =  in zfcp_allocate_low_mem_buffers()
216 	if (!adapter->pool.gid_pn_req)  in zfcp_allocate_low_mem_buffers()
219 	adapter->pool.scsi_req =  in zfcp_allocate_low_mem_buffers()
221 	if (!adapter->pool.scsi_req)  in zfcp_allocate_low_mem_buffers()
224 	adapter->pool.scsi_abort =  in zfcp_allocate_low_mem_buffers()
226 	if (!adapter->pool.scsi_abort)  in zfcp_allocate_low_mem_buffers()
229 	adapter->pool.status_read_req =  in zfcp_allocate_low_mem_buffers()
232 	if (!adapter->pool.status_read_req)  in zfcp_allocate_low_mem_buffers()
235 	adapter->pool.qtcb_pool =  in zfcp_allocate_low_mem_buffers()
237 	if (!adapter->pool.qtcb_pool)  in zfcp_allocate_low_mem_buffers()
241 	adapter->pool.sr_data =  in zfcp_allocate_low_mem_buffers()
243 	if (!adapter->pool.sr_data)  in zfcp_allocate_low_mem_buffers()
246 	adapter->pool.gid_pn =  in zfcp_allocate_low_mem_buffers()
248 	if (!adapter->pool.gid_pn)  in zfcp_allocate_low_mem_buffers()
254 static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter)  in zfcp_free_low_mem_buffers()  argument
256 	mempool_destroy(adapter->pool.erp_req);  in zfcp_free_low_mem_buffers()
257 	mempool_destroy(adapter->pool.scsi_req);  in zfcp_free_low_mem_buffers()
258 	mempool_destroy(adapter->pool.scsi_abort);  in zfcp_free_low_mem_buffers()
259 	mempool_destroy(adapter->pool.qtcb_pool);  in zfcp_free_low_mem_buffers()
260 	mempool_destroy(adapter->pool.status_read_req);  in zfcp_free_low_mem_buffers()
261 	mempool_destroy(adapter->pool.sr_data);  in zfcp_free_low_mem_buffers()
262 	mempool_destroy(adapter->pool.gid_pn);  in zfcp_free_low_mem_buffers()
274 int zfcp_status_read_refill(struct zfcp_adapter *adapter)  in zfcp_status_read_refill()  argument
276 	while (atomic_add_unless(&adapter->stat_miss, -1, 0))  in zfcp_status_read_refill()
277 		if (zfcp_fsf_status_read(adapter->qdio)) {  in zfcp_status_read_refill()
278 			atomic_inc(&adapter->stat_miss); /* undo add -1 */  in zfcp_status_read_refill()
279 			if (atomic_read(&adapter->stat_miss) >=  in zfcp_status_read_refill()
280 			    adapter->stat_read_buf_num) {  in zfcp_status_read_refill()
281 				zfcp_erp_adapter_reopen(adapter, 0, "axsref1");  in zfcp_status_read_refill()
297 	struct zfcp_adapter *adapter =  in zfcp_print_sl()  local
301 		   dev_name(&adapter->ccw_device->dev),  in zfcp_print_sl()
302 		   adapter->fsf_lic_version);  in zfcp_print_sl()
305 static int zfcp_setup_adapter_work_queue(struct zfcp_adapter *adapter)  in zfcp_setup_adapter_work_queue()  argument
310 		 dev_name(&adapter->ccw_device->dev));  in zfcp_setup_adapter_work_queue()
311 	adapter->work_queue = alloc_ordered_workqueue(name, WQ_MEM_RECLAIM);  in zfcp_setup_adapter_work_queue()
313 	if (adapter->work_queue)  in zfcp_setup_adapter_work_queue()
318 static void zfcp_destroy_adapter_work_queue(struct zfcp_adapter *adapter)  in zfcp_destroy_adapter_work_queue()  argument
320 	if (adapter->work_queue)  in zfcp_destroy_adapter_work_queue()
321 		destroy_workqueue(adapter->work_queue);  in zfcp_destroy_adapter_work_queue()
322 	adapter->work_queue = NULL;  in zfcp_destroy_adapter_work_queue()
337 	struct zfcp_adapter *adapter;  in zfcp_adapter_enqueue()  local
342 	adapter = kzalloc(sizeof(struct zfcp_adapter), GFP_KERNEL);  in zfcp_adapter_enqueue()
343 	if (!adapter) {  in zfcp_adapter_enqueue()
348 	kref_init(&adapter->ref);  in zfcp_adapter_enqueue()
351 	adapter->ccw_device = ccw_device;  in zfcp_adapter_enqueue()
353 	INIT_WORK(&adapter->stat_work, _zfcp_status_read_scheduler);  in zfcp_adapter_enqueue()
354 	INIT_DELAYED_WORK(&adapter->scan_work, zfcp_fc_scan_ports);  in zfcp_adapter_enqueue()
355 	INIT_WORK(&adapter->ns_up_work, zfcp_fc_sym_name_update);  in zfcp_adapter_enqueue()
357 	adapter->next_port_scan = jiffies;  in zfcp_adapter_enqueue()
359 	adapter->erp_action.adapter = adapter;  in zfcp_adapter_enqueue()
361 	if (zfcp_diag_adapter_setup(adapter))  in zfcp_adapter_enqueue()
364 	if (zfcp_qdio_setup(adapter))  in zfcp_adapter_enqueue()
367 	if (zfcp_allocate_low_mem_buffers(adapter))  in zfcp_adapter_enqueue()
370 	adapter->req_list = zfcp_reqlist_alloc();  in zfcp_adapter_enqueue()
371 	if (!adapter->req_list)  in zfcp_adapter_enqueue()
374 	if (zfcp_dbf_adapter_register(adapter))  in zfcp_adapter_enqueue()
377 	if (zfcp_setup_adapter_work_queue(adapter))  in zfcp_adapter_enqueue()
380 	if (zfcp_fc_gs_setup(adapter))  in zfcp_adapter_enqueue()
383 	rwlock_init(&adapter->port_list_lock);  in zfcp_adapter_enqueue()
384 	INIT_LIST_HEAD(&adapter->port_list);  in zfcp_adapter_enqueue()
386 	INIT_LIST_HEAD(&adapter->events.list);  in zfcp_adapter_enqueue()
387 	INIT_WORK(&adapter->events.work, zfcp_fc_post_event);  in zfcp_adapter_enqueue()
388 	spin_lock_init(&adapter->events.list_lock);  in zfcp_adapter_enqueue()
390 	init_waitqueue_head(&adapter->erp_ready_wq);  in zfcp_adapter_enqueue()
391 	init_waitqueue_head(&adapter->erp_done_wqh);  in zfcp_adapter_enqueue()
393 	INIT_LIST_HEAD(&adapter->erp_ready_head);  in zfcp_adapter_enqueue()
394 	INIT_LIST_HEAD(&adapter->erp_running_head);  in zfcp_adapter_enqueue()
396 	rwlock_init(&adapter->erp_lock);  in zfcp_adapter_enqueue()
397 	rwlock_init(&adapter->abort_lock);  in zfcp_adapter_enqueue()
399 	if (zfcp_erp_thread_setup(adapter))  in zfcp_adapter_enqueue()
402 	adapter->service_level.seq_print = zfcp_print_sl;  in zfcp_adapter_enqueue()
404 	dev_set_drvdata(&ccw_device->dev, adapter);  in zfcp_adapter_enqueue()
410 	if (zfcp_diag_sysfs_setup(adapter))  in zfcp_adapter_enqueue()
414 	adapter->ccw_device->dev.dma_parms = &adapter->dma_parms;  in zfcp_adapter_enqueue()
416 	adapter->stat_read_buf_num = FSF_STATUS_READS_RECOM;  in zfcp_adapter_enqueue()
418 	return adapter;  in zfcp_adapter_enqueue()
421 	zfcp_adapter_unregister(adapter);  in zfcp_adapter_enqueue()
425 void zfcp_adapter_unregister(struct zfcp_adapter *adapter)  in zfcp_adapter_unregister()  argument
427 	struct ccw_device *cdev = adapter->ccw_device;  in zfcp_adapter_unregister()
429 	cancel_delayed_work_sync(&adapter->scan_work);  in zfcp_adapter_unregister()
430 	cancel_work_sync(&adapter->stat_work);  in zfcp_adapter_unregister()
431 	cancel_work_sync(&adapter->ns_up_work);  in zfcp_adapter_unregister()
432 	zfcp_destroy_adapter_work_queue(adapter);  in zfcp_adapter_unregister()
434 	zfcp_fc_wka_ports_force_offline(adapter->gs);  in zfcp_adapter_unregister()
435 	zfcp_scsi_adapter_unregister(adapter);  in zfcp_adapter_unregister()
436 	zfcp_diag_sysfs_destroy(adapter);  in zfcp_adapter_unregister()
439 	zfcp_erp_thread_kill(adapter);  in zfcp_adapter_unregister()
440 	zfcp_dbf_adapter_unregister(adapter);  in zfcp_adapter_unregister()
441 	zfcp_qdio_destroy(adapter->qdio);  in zfcp_adapter_unregister()
443 	zfcp_ccw_adapter_put(adapter); /* final put to release */  in zfcp_adapter_unregister()
453 	struct zfcp_adapter *adapter = container_of(ref, struct zfcp_adapter,  in zfcp_adapter_release()  local
455 	struct ccw_device *cdev = adapter->ccw_device;  in zfcp_adapter_release()
457 	dev_set_drvdata(&adapter->ccw_device->dev, NULL);  in zfcp_adapter_release()
458 	zfcp_fc_gs_destroy(adapter);  in zfcp_adapter_release()
459 	zfcp_free_low_mem_buffers(adapter);  in zfcp_adapter_release()
460 	zfcp_diag_adapter_free(adapter);  in zfcp_adapter_release()
461 	kfree(adapter->req_list);  in zfcp_adapter_release()
462 	kfree(adapter->fc_stats);  in zfcp_adapter_release()
463 	kfree(adapter->stats_reset_data);  in zfcp_adapter_release()
464 	kfree(adapter);  in zfcp_adapter_release()
472 	zfcp_ccw_adapter_put(port->adapter);  in zfcp_port_release()
488 struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,  in zfcp_port_enqueue()  argument
494 	kref_get(&adapter->ref);  in zfcp_port_enqueue()
496 	port = zfcp_get_port_by_wwpn(adapter, wwpn);  in zfcp_port_enqueue()
515 	port->adapter = adapter;  in zfcp_port_enqueue()
519 	port->dev.parent = &adapter->ccw_device->dev;  in zfcp_port_enqueue()
523 	port->erp_action.adapter = adapter;  in zfcp_port_enqueue()
537 	write_lock_irq(&adapter->port_list_lock);  in zfcp_port_enqueue()
538 	list_add_tail(&port->list, &adapter->port_list);  in zfcp_port_enqueue()
539 	write_unlock_irq(&adapter->port_list_lock);  in zfcp_port_enqueue()
546 	zfcp_ccw_adapter_put(adapter);  in zfcp_port_enqueue()