57 static bool zfcp_erp_action_is_running(struct zfcp_erp_action *act)  in zfcp_erp_action_is_running()  argument
61 	list_for_each_entry(curr_act, &act->adapter->erp_running_head, list)  in zfcp_erp_action_is_running()
62 		if (act == curr_act)  in zfcp_erp_action_is_running()
67 static void zfcp_erp_action_ready(struct zfcp_erp_action *act)  in zfcp_erp_action_ready()  argument
69 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_action_ready()
71 	list_move(&act->list, &adapter->erp_ready_head);  in zfcp_erp_action_ready()
72 	zfcp_dbf_rec_run("erardy1", act);  in zfcp_erp_action_ready()
74 	zfcp_dbf_rec_run("erardy2", act);  in zfcp_erp_action_ready()
77 static void zfcp_erp_action_dismiss(struct zfcp_erp_action *act)  in zfcp_erp_action_dismiss()  argument
79 	act->status |= ZFCP_STATUS_ERP_DISMISSED;  in zfcp_erp_action_dismiss()
80 	if (zfcp_erp_action_is_running(act))  in zfcp_erp_action_dismiss()
81 		zfcp_erp_action_ready(act);  in zfcp_erp_action_dismiss()
288 	struct zfcp_erp_action *act;  in zfcp_erp_action_enqueue()  local
305 	act = zfcp_erp_setup_act(need, act_status, adapter, port, sdev);  in zfcp_erp_action_enqueue()
306 	if (!act) {  in zfcp_erp_action_enqueue()
312 	list_add_tail(&act->list, &adapter->erp_ready_head);  in zfcp_erp_action_enqueue()
565 static void zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *act)  in zfcp_erp_strategy_check_fsfreq()  argument
567 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_strategy_check_fsfreq()
570 	if (!act->fsf_req_id)  in zfcp_erp_strategy_check_fsfreq()
574 	req = _zfcp_reqlist_find(adapter->req_list, act->fsf_req_id);  in zfcp_erp_strategy_check_fsfreq()
575 	if (req && req->erp_action == act) {  in zfcp_erp_strategy_check_fsfreq()
576 		if (act->status & (ZFCP_STATUS_ERP_DISMISSED |  in zfcp_erp_strategy_check_fsfreq()
579 			zfcp_dbf_rec_run("erscf_1", act);  in zfcp_erp_strategy_check_fsfreq()
585 		if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)  in zfcp_erp_strategy_check_fsfreq()
586 			zfcp_dbf_rec_run("erscf_2", act);  in zfcp_erp_strategy_check_fsfreq()
588 			act->fsf_req_id = 0;  in zfcp_erp_strategy_check_fsfreq()
590 		act->fsf_req_id = 0;  in zfcp_erp_strategy_check_fsfreq()
619 	struct zfcp_erp_action *act;  in zfcp_erp_timeout_handler()  local
624 	act = READ_ONCE(fsf_req->erp_action);  in zfcp_erp_timeout_handler()
625 	if (!act)  in zfcp_erp_timeout_handler()
627 	zfcp_erp_notify(act, ZFCP_STATUS_ERP_TIMEDOUT);  in zfcp_erp_timeout_handler()
632 	struct zfcp_erp_action *act = from_timer(act, t, timer);  in zfcp_erp_memwait_handler()  local
634 	zfcp_erp_notify(act, 0);  in zfcp_erp_memwait_handler()
681 static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act)  in zfcp_erp_strategy_followup_failed()  argument
683 	switch (act->type) {  in zfcp_erp_strategy_followup_failed()
685 		_zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1");  in zfcp_erp_strategy_followup_failed()
688 		_zfcp_erp_port_forced_reopen(act->port, 0, "ersff_2");  in zfcp_erp_strategy_followup_failed()
691 		_zfcp_erp_port_reopen(act->port, 0, "ersff_3");  in zfcp_erp_strategy_followup_failed()
694 		_zfcp_erp_lun_reopen(act->sdev, 0, "ersff_4", 0);  in zfcp_erp_strategy_followup_failed()
699 static void zfcp_erp_strategy_followup_success(struct zfcp_erp_action *act)  in zfcp_erp_strategy_followup_success()  argument
701 	switch (act->type) {  in zfcp_erp_strategy_followup_success()
703 		_zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1");  in zfcp_erp_strategy_followup_success()
706 		_zfcp_erp_port_reopen(act->port, 0, "ersfs_2");  in zfcp_erp_strategy_followup_success()
709 		_zfcp_erp_lun_reopen_all(act->port, 0, "ersfs_3");  in zfcp_erp_strategy_followup_success()
792 	struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy_open_fsf_xport()  argument
795 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_open_fsf_xport()
798 	zfcp_erp_action_to_running(act);  in zfcp_erp_adapter_strategy_open_fsf_xport()
801 	ret = zfcp_fsf_exchange_port_data(act);  in zfcp_erp_adapter_strategy_open_fsf_xport()
807 	zfcp_dbf_rec_run("erasox1", act);  in zfcp_erp_adapter_strategy_open_fsf_xport()
810 	zfcp_dbf_rec_run("erasox2", act);  in zfcp_erp_adapter_strategy_open_fsf_xport()
811 	if (act->status & ZFCP_STATUS_ERP_TIMEDOUT)  in zfcp_erp_adapter_strategy_open_fsf_xport()
871 	struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy_open_fsf()  argument
873 	if (zfcp_erp_adapter_strat_fsf_xconf(act) == ZFCP_ERP_FAILED)  in zfcp_erp_adapter_strategy_open_fsf()
876 	if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED)  in zfcp_erp_adapter_strategy_open_fsf()
879 	if (zfcp_erp_adapter_strategy_alloc_shost(act->adapter) ==  in zfcp_erp_adapter_strategy_open_fsf()
883 	zfcp_erp_adapter_strategy_open_ptp_port(act->adapter);  in zfcp_erp_adapter_strategy_open_fsf()
885 	if (mempool_resize(act->adapter->pool.sr_data,  in zfcp_erp_adapter_strategy_open_fsf()
886 			   act->adapter->stat_read_buf_num))  in zfcp_erp_adapter_strategy_open_fsf()
889 	if (mempool_resize(act->adapter->pool.status_read_req,  in zfcp_erp_adapter_strategy_open_fsf()
890 			   act->adapter->stat_read_buf_num))  in zfcp_erp_adapter_strategy_open_fsf()
893 	atomic_set(&act->adapter->stat_miss, act->adapter->stat_read_buf_num);  in zfcp_erp_adapter_strategy_open_fsf()
894 	if (zfcp_status_read_refill(act->adapter))  in zfcp_erp_adapter_strategy_open_fsf()
900 static void zfcp_erp_adapter_strategy_close(struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy_close()  argument
902 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_close()
917 	struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy_open()  argument
919 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_open()
928 	if (zfcp_erp_adapter_strategy_open_fsf(act)) {  in zfcp_erp_adapter_strategy_open()
929 		zfcp_erp_adapter_strategy_close(act);  in zfcp_erp_adapter_strategy_open()
939 	struct zfcp_erp_action *act)  in zfcp_erp_adapter_strategy()  argument
941 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy()
944 		zfcp_erp_adapter_strategy_close(act);  in zfcp_erp_adapter_strategy()
945 		if (act->status & ZFCP_STATUS_ERP_CLOSE_ONLY)  in zfcp_erp_adapter_strategy()
949 	if (zfcp_erp_adapter_strategy_open(act)) {  in zfcp_erp_adapter_strategy()
958 	struct zfcp_erp_action *act)  in zfcp_erp_port_forced_strategy_close()  argument
962 	retval = zfcp_fsf_close_physical_port(act);  in zfcp_erp_port_forced_strategy_close()
965 	act->step = ZFCP_ERP_STEP_PHYS_PORT_CLOSING;  in zfcp_erp_port_forced_strategy_close()
1028 static int zfcp_erp_open_ptp_port(struct zfcp_erp_action *act)  in zfcp_erp_open_ptp_port()  argument
1030 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_open_ptp_port()
1031 	struct zfcp_port *port = act->port;  in zfcp_erp_open_ptp_port()
1038 	return zfcp_erp_port_strategy_open_port(act);  in zfcp_erp_open_ptp_port()
1042 	struct zfcp_erp_action *act)  in zfcp_erp_port_strategy_open_common()  argument
1044 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_port_strategy_open_common()
1045 	struct zfcp_port *port = act->port;  in zfcp_erp_port_strategy_open_common()
1048 	switch (act->step) {  in zfcp_erp_port_strategy_open_common()
1053 			return zfcp_erp_open_ptp_port(act);  in zfcp_erp_port_strategy_open_common()
1058 		return zfcp_erp_port_strategy_open_port(act);  in zfcp_erp_port_strategy_open_common()
1333 	struct zfcp_erp_action *act, enum zfcp_erp_act_result result)  in zfcp_erp_strategy_statechange()  argument
1335 	enum zfcp_erp_act_type type = act->type;  in zfcp_erp_strategy_statechange()
1336 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_strategy_statechange()
1337 	struct zfcp_port *port = act->port;  in zfcp_erp_strategy_statechange()
1338 	struct scsi_device *sdev = act->sdev;  in zfcp_erp_strategy_statechange()
1340 	u32 erp_status = act->status;  in zfcp_erp_strategy_statechange()
1468 static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act,  in zfcp_erp_action_cleanup()  argument
1471 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_action_cleanup()
1472 	struct zfcp_port *port = act->port;  in zfcp_erp_action_cleanup()
1473 	struct scsi_device *sdev = act->sdev;  in zfcp_erp_action_cleanup()
1475 	switch (act->type) {  in zfcp_erp_action_cleanup()
1477 		if (!(act->status & ZFCP_STATUS_ERP_NO_REF))  in zfcp_erp_action_cleanup()
1488 		if (act->step != ZFCP_ERP_STEP_UNINITIALIZED)  in zfcp_erp_action_cleanup()
1610 	struct zfcp_erp_action *act;  in zfcp_erp_thread()  local
1622 		act = list_first_entry_or_null(&adapter->erp_ready_head,  in zfcp_erp_thread()
1626 		if (act) {  in zfcp_erp_thread()
1628 			if (zfcp_erp_strategy(act) != ZFCP_ERP_DISMISSED)  in zfcp_erp_thread()