22 	struct zfcp_adapter *adapter;  in zfcp_ccw_adapter_by_cdev()  local
26 	adapter = dev_get_drvdata(&cdev->dev);  in zfcp_ccw_adapter_by_cdev()
27 	if (adapter)  in zfcp_ccw_adapter_by_cdev()
28 		kref_get(&adapter->ref);  in zfcp_ccw_adapter_by_cdev()
30 	return adapter;  in zfcp_ccw_adapter_by_cdev()
33 void zfcp_ccw_adapter_put(struct zfcp_adapter *adapter)  in zfcp_ccw_adapter_put()  argument
38 	kref_put(&adapter->ref, zfcp_adapter_release);  in zfcp_ccw_adapter_put()
45 	struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);  in zfcp_ccw_activate()  local
47 	if (!adapter)  in zfcp_ccw_activate()
50 	zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING);  in zfcp_ccw_activate()
51 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,  in zfcp_ccw_activate()
53 	zfcp_erp_wait(adapter);  in zfcp_ccw_activate()
54 	flush_work(&adapter->scan_work);  in zfcp_ccw_activate()
56 	zfcp_ccw_adapter_put(adapter);  in zfcp_ccw_activate()
70  * @adapter: Adapter/Subchannel to check
72 int zfcp_ccw_priv_sch(struct zfcp_adapter *adapter)  in zfcp_ccw_priv_sch()  argument
74 	return adapter->ccw_device->id.dev_model == ZFCP_MODEL_PRIV;  in zfcp_ccw_priv_sch()
83  * work: To only allocate adapter resources for devices actually used,
95  * This function gets called by the common i/o layer and removes an adapter
97  * ports that belong to this adapter. And in addition all resources of this
98  * adapter will be freed too.
102 	struct zfcp_adapter *adapter;  in zfcp_ccw_remove()  local
110 	adapter = zfcp_ccw_adapter_by_cdev(cdev);  in zfcp_ccw_remove()
111 	if (!adapter)  in zfcp_ccw_remove()
114 	write_lock_irq(&adapter->port_list_lock);  in zfcp_ccw_remove()
115 	list_for_each_entry_safe(port, p, &adapter->port_list, list) {  in zfcp_ccw_remove()
122 	write_unlock_irq(&adapter->port_list_lock);  in zfcp_ccw_remove()
123 	zfcp_ccw_adapter_put(adapter); /* put from zfcp_ccw_adapter_by_cdev */  in zfcp_ccw_remove()
131 	zfcp_adapter_unregister(adapter);  in zfcp_ccw_remove()
139  * adapter into state online.  The first call will allocate all
140  * adapter resources that will be retained until the device is removed
145  * adapter will be opened.
149 	struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);  in zfcp_ccw_set_online()  local
151 	if (!adapter) {  in zfcp_ccw_set_online()
152 		adapter = zfcp_adapter_enqueue(cdev);  in zfcp_ccw_set_online()
154 		if (IS_ERR(adapter)) {  in zfcp_ccw_set_online()
157 				"FCP adapter failed\n");  in zfcp_ccw_set_online()
158 			return PTR_ERR(adapter);  in zfcp_ccw_set_online()
160 		kref_get(&adapter->ref);  in zfcp_ccw_set_online()
164 	BUG_ON(!zfcp_reqlist_isempty(adapter->req_list));  in zfcp_ccw_set_online()
165 	adapter->req_no = 0;  in zfcp_ccw_set_online()
168 	zfcp_ccw_adapter_put(adapter);  in zfcp_ccw_set_online()
176  * This function gets called by the common i/o layer and sets an adapter
181 	struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);  in zfcp_ccw_set_offline()  local
183 	if (!adapter)  in zfcp_ccw_set_offline()
186 	zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1");  in zfcp_ccw_set_offline()
187 	zfcp_erp_wait(adapter);  in zfcp_ccw_set_offline()
189 	zfcp_ccw_adapter_put(adapter);  in zfcp_ccw_set_offline()
196  * @event: indicates if adapter was detached or attached
198  * This function gets called by the common i/o layer if an adapter has gone
203 	struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);  in zfcp_ccw_notify()  local
205 	if (!adapter)  in zfcp_ccw_notify()
211 		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti1");  in zfcp_ccw_notify()
216 		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti2");  in zfcp_ccw_notify()
220 		zfcp_erp_set_adapter_status(adapter,  in zfcp_ccw_notify()
222 		zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,  in zfcp_ccw_notify()
228 		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti5");  in zfcp_ccw_notify()
232 	zfcp_ccw_adapter_put(adapter);  in zfcp_ccw_notify()
238  * @cdev: device for adapter to shutdown.
242 	struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);  in zfcp_ccw_shutdown()  local
244 	if (!adapter)  in zfcp_ccw_shutdown()
247 	zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1");  in zfcp_ccw_shutdown()
248 	zfcp_erp_wait(adapter);  in zfcp_ccw_shutdown()
249 	zfcp_erp_thread_kill(adapter);  in zfcp_ccw_shutdown()
251 	zfcp_ccw_adapter_put(adapter);  in zfcp_ccw_shutdown()