64 static int zfcp_erp_action_exists(struct zfcp_erp_action *act)  in zfcp_erp_action_exists()  argument
68 	list_for_each_entry(curr_act, &act->adapter->erp_running_head, list)  in zfcp_erp_action_exists()
69 		if (act == curr_act)  in zfcp_erp_action_exists()
74 static void zfcp_erp_action_ready(struct zfcp_erp_action *act)  in zfcp_erp_action_ready()  argument
76 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_action_ready()
78 	list_move(&act->list, &act->adapter->erp_ready_head);  in zfcp_erp_action_ready()
79 	zfcp_dbf_rec_run("erardy1", act);  in zfcp_erp_action_ready()
81 	zfcp_dbf_rec_run("erardy2", act);  in zfcp_erp_action_ready()
84 static void zfcp_erp_action_dismiss(struct zfcp_erp_action *act)  in zfcp_erp_action_dismiss()  argument
86 	act->status |= ZFCP_STATUS_ERP_DISMISSED;  in zfcp_erp_action_dismiss()
87 	if (zfcp_erp_action_exists(act) == ZFCP_ERP_ACTION_RUNNING)  in zfcp_erp_action_dismiss()
88 		zfcp_erp_action_ready(act);  in zfcp_erp_action_dismiss()
245 	struct zfcp_erp_action *act;  in zfcp_erp_action_enqueue()  local
254 	act = zfcp_erp_setup_act(need, act_status, adapter, port, sdev);  in zfcp_erp_action_enqueue()
255 	if (!act)  in zfcp_erp_action_enqueue()
259 	list_add_tail(&act->list, &adapter->erp_ready_head);  in zfcp_erp_action_enqueue()
514 static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *act)  in zfcp_erp_strategy_check_fsfreq()  argument
516 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_strategy_check_fsfreq()
519 	if (!act->fsf_req_id)  in zfcp_erp_strategy_check_fsfreq()
523 	req = _zfcp_reqlist_find(adapter->req_list, act->fsf_req_id);  in zfcp_erp_strategy_check_fsfreq()
524 	if (req && req->erp_action == act) {  in zfcp_erp_strategy_check_fsfreq()
525 		if (act->status & (ZFCP_STATUS_ERP_DISMISSED |  in zfcp_erp_strategy_check_fsfreq()
528 			zfcp_dbf_rec_run("erscf_1", act);  in zfcp_erp_strategy_check_fsfreq()
531 		if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)  in zfcp_erp_strategy_check_fsfreq()
532 			zfcp_dbf_rec_run("erscf_2", act);  in zfcp_erp_strategy_check_fsfreq()
534 			act->fsf_req_id = 0;  in zfcp_erp_strategy_check_fsfreq()
536 		act->fsf_req_id = 0;  in zfcp_erp_strategy_check_fsfreq()
564 	struct zfcp_erp_action *act = (struct zfcp_erp_action *) data;  in zfcp_erp_timeout_handler()  local
565 	zfcp_erp_notify(act, ZFCP_STATUS_ERP_TIMEDOUT);  in zfcp_erp_timeout_handler()
605 static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act)  in zfcp_erp_strategy_followup_failed()  argument
607 	switch (act->action) {  in zfcp_erp_strategy_followup_failed()
609 		_zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1");  in zfcp_erp_strategy_followup_failed()
612 		_zfcp_erp_port_forced_reopen(act->port, 0, "ersff_2");  in zfcp_erp_strategy_followup_failed()
615 		_zfcp_erp_port_reopen(act->port, 0, "ersff_3");  in zfcp_erp_strategy_followup_failed()
618 		_zfcp_erp_lun_reopen(act->sdev, 0, "ersff_4", 0);  in zfcp_erp_strategy_followup_failed()
623 static void zfcp_erp_strategy_followup_success(struct zfcp_erp_action *act)  in zfcp_erp_strategy_followup_success()  argument
625 	switch (act->action) {  in zfcp_erp_strategy_followup_success()
627 		_zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1");  in zfcp_erp_strategy_followup_success()
630 		_zfcp_erp_port_reopen(act->port, 0, "ersfs_2");  in zfcp_erp_strategy_followup_success()
633 		_zfcp_erp_lun_reopen_all(act->port, 0, "ersfs_3");  in zfcp_erp_strategy_followup_success()
707 static int zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy_open_fsf_xport()  argument
710 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_open_fsf_xport()
713 	zfcp_erp_action_to_running(act);  in zfcp_erp_adapter_strategy_open_fsf_xport()
716 	ret = zfcp_fsf_exchange_port_data(act);  in zfcp_erp_adapter_strategy_open_fsf_xport()
722 	zfcp_dbf_rec_run("erasox1", act);  in zfcp_erp_adapter_strategy_open_fsf_xport()
725 	zfcp_dbf_rec_run("erasox2", act);  in zfcp_erp_adapter_strategy_open_fsf_xport()
726 	if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)  in zfcp_erp_adapter_strategy_open_fsf_xport()
732 static int zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy_open_fsf()  argument
734 	if (zfcp_erp_adapter_strat_fsf_xconf(act) == ZFCP_ERP_FAILED)  in zfcp_erp_adapter_strategy_open_fsf()
737 	if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED)  in zfcp_erp_adapter_strategy_open_fsf()
740 	if (mempool_resize(act->adapter->pool.sr_data,  in zfcp_erp_adapter_strategy_open_fsf()
741 			   act->adapter->stat_read_buf_num))  in zfcp_erp_adapter_strategy_open_fsf()
744 	if (mempool_resize(act->adapter->pool.status_read_req,  in zfcp_erp_adapter_strategy_open_fsf()
745 			   act->adapter->stat_read_buf_num))  in zfcp_erp_adapter_strategy_open_fsf()
748 	atomic_set(&act->adapter->stat_miss, act->adapter->stat_read_buf_num);  in zfcp_erp_adapter_strategy_open_fsf()
749 	if (zfcp_status_read_refill(act->adapter))  in zfcp_erp_adapter_strategy_open_fsf()
755 static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy_close()  argument
757 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_close()
771 static int zfcp_erp_adapter_strategy_open(struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy_open()  argument
773 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_open()
782 	if (zfcp_erp_adapter_strategy_open_fsf(act)) {  in zfcp_erp_adapter_strategy_open()
783 		zfcp_erp_adapter_strategy_close(act);  in zfcp_erp_adapter_strategy_open()
792 static int zfcp_erp_adapter_strategy(struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy()  argument
794 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy()
797 		zfcp_erp_adapter_strategy_close(act);  in zfcp_erp_adapter_strategy()
798 		if (act->status & ZFCP_STATUS_ERP_CLOSE_ONLY)  in zfcp_erp_adapter_strategy()
802 	if (zfcp_erp_adapter_strategy_open(act)) {  in zfcp_erp_adapter_strategy()
810 static int zfcp_erp_port_forced_strategy_close(struct zfcp_erp_action *act)  in zfcp_erp_port_forced_strategy_close()  argument
814 	retval = zfcp_fsf_close_physical_port(act);  in zfcp_erp_port_forced_strategy_close()
817 	act->step = ZFCP_ERP_STEP_PHYS_PORT_CLOSING;  in zfcp_erp_port_forced_strategy_close()
870 static int zfcp_erp_open_ptp_port(struct zfcp_erp_action *act)  in zfcp_erp_open_ptp_port()  argument
872 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_open_ptp_port()
873 	struct zfcp_port *port = act->port;  in zfcp_erp_open_ptp_port()
880 	return zfcp_erp_port_strategy_open_port(act);  in zfcp_erp_open_ptp_port()
883 static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)  in zfcp_erp_port_strategy_open_common()  argument
885 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_port_strategy_open_common()
886 	struct zfcp_port *port = act->port;  in zfcp_erp_port_strategy_open_common()
889 	switch (act->step) {  in zfcp_erp_port_strategy_open_common()
894 			return zfcp_erp_open_ptp_port(act);  in zfcp_erp_port_strategy_open_common()
899 		return zfcp_erp_port_strategy_open_port(act);  in zfcp_erp_port_strategy_open_common()
1131 static int zfcp_erp_strategy_statechange(struct zfcp_erp_action *act, int ret)  in zfcp_erp_strategy_statechange()  argument
1133 	int action = act->action;  in zfcp_erp_strategy_statechange()
1134 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_strategy_statechange()
1135 	struct zfcp_port *port = act->port;  in zfcp_erp_strategy_statechange()
1136 	struct scsi_device *sdev = act->sdev;  in zfcp_erp_strategy_statechange()
1138 	u32 erp_status = act->status;  in zfcp_erp_strategy_statechange()
1207 static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)  in zfcp_erp_action_cleanup()  argument
1209 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_action_cleanup()
1210 	struct zfcp_port *port = act->port;  in zfcp_erp_action_cleanup()
1211 	struct scsi_device *sdev = act->sdev;  in zfcp_erp_action_cleanup()
1213 	switch (act->action) {  in zfcp_erp_action_cleanup()
1215 		if (!(act->status & ZFCP_STATUS_ERP_NO_REF))  in zfcp_erp_action_cleanup()
1334 	struct zfcp_erp_action *act;  in zfcp_erp_thread()  local
1350 			act = list_entry(next, struct zfcp_erp_action, list);  in zfcp_erp_thread()
1353 			if (zfcp_erp_strategy(act) != ZFCP_ERP_DISMISSED)  in zfcp_erp_thread()