14 	struct efc_node *node = rnode->node;  in efc_remote_node_cb()  local
18 	efc_node_post_event(node, event, NULL);  in efc_remote_node_cb()
34 	struct efc_node *node = container_of(arg, struct efc_node, ref);  in _efc_node_free()  local
35 	struct efc *efc = node->efc;  in _efc_node_free()
38 	dma = &node->sparm_dma_buf;  in _efc_node_free()
41 	mempool_free(node, efc->node_pool);  in _efc_node_free()
48 	struct efc_node *node = NULL;  in efc_node_alloc()  local
58 	node = mempool_alloc(efc->node_pool, GFP_ATOMIC);  in efc_node_alloc()
59 	if (!node) {  in efc_node_alloc()
63 	memset(node, 0, sizeof(*node));  in efc_node_alloc()
65 	dma = &node->sparm_dma_buf;  in efc_node_alloc()
72 	node->rnode.indicator = U32_MAX;  in efc_node_alloc()
73 	node->nport = nport;  in efc_node_alloc()
75 	node->efc = efc;  in efc_node_alloc()
76 	node->init = init;  in efc_node_alloc()
77 	node->targ = targ;  in efc_node_alloc()
79 	spin_lock_init(&node->pend_frames_lock);  in efc_node_alloc()
80 	INIT_LIST_HEAD(&node->pend_frames);  in efc_node_alloc()
81 	spin_lock_init(&node->els_ios_lock);  in efc_node_alloc()
82 	INIT_LIST_HEAD(&node->els_ios_list);  in efc_node_alloc()
83 	node->els_io_enabled = true;  in efc_node_alloc()
85 	rc = efc_cmd_node_alloc(efc, &node->rnode, port_id, nport);  in efc_node_alloc()
91 	node->rnode.node = node;  in efc_node_alloc()
92 	node->sm.app = node;  in efc_node_alloc()
93 	node->evtdepth = 0;  in efc_node_alloc()
95 	efc_node_update_display_name(node);  in efc_node_alloc()
97 	rc = xa_err(xa_store(&nport->lookup, port_id, node, GFP_ATOMIC));  in efc_node_alloc()
104 	kref_init(&node->ref);  in efc_node_alloc()
105 	node->release = _efc_node_free;  in efc_node_alloc()
108 	return node;  in efc_node_alloc()
111 	efc_node_free_resources(efc, &node->rnode);  in efc_node_alloc()
115 	mempool_free(node, efc->node_pool);  in efc_node_alloc()
120 efc_node_free(struct efc_node *node)  in efc_node_free()  argument
127 	nport = node->nport;  in efc_node_free()
128 	efc = node->efc;  in efc_node_free()
130 	node_printf(node, "Free'd\n");  in efc_node_free()
132 	if (node->refound) {  in efc_node_free()
137 		ns = efc_node_find(node->nport, FC_FID_DIR_SERV);  in efc_node_free()
140 	if (!node->nport) {  in efc_node_free()
146 	rc = efc_node_free_resources(efc, &node->rnode);  in efc_node_free()
151 	if (timer_pending(&node->gidpt_delay_timer))  in efc_node_free()
152 		del_timer(&node->gidpt_delay_timer);  in efc_node_free()
154 	xa_erase(&nport->lookup, node->rnode.fc_id);  in efc_node_free()
166 	node->nport = NULL;  in efc_node_free()
167 	node->sm.current_state = NULL;  in efc_node_free()
170 	kref_put(&node->ref, node->release);  in efc_node_free()
192 efc_node_attach(struct efc_node *node)  in efc_node_attach()  argument
195 	struct efc_nport *nport = node->nport;  in efc_node_attach()
197 	struct efc *efc = node->efc;  in efc_node_attach()
205 	efc_node_build_eui_name(node->wwpn, sizeof(node->wwpn),  in efc_node_attach()
206 				efc_node_get_wwpn(node));  in efc_node_attach()
207 	efc_node_build_eui_name(node->wwnn, sizeof(node->wwnn),  in efc_node_attach()
208 				efc_node_get_wwnn(node));  in efc_node_attach()
210 	efc_dma_copy_in(&node->sparm_dma_buf, node->service_params + 4,  in efc_node_attach()
211 			sizeof(node->service_params) - 4);  in efc_node_attach()
214 	rc = efc_cmd_node_attach(efc, &node->rnode, &node->sparm_dma_buf);  in efc_node_attach()
246 efc_node_update_display_name(struct efc_node *node)  in efc_node_update_display_name()  argument
248 	u32 port_id = node->rnode.fc_id;  in efc_node_update_display_name()
249 	struct efc_nport *nport = node->nport;  in efc_node_update_display_name()
254 	snprintf(node->display_name, sizeof(node->display_name), "%s.%s",  in efc_node_update_display_name()
259 efc_node_send_ls_io_cleanup(struct efc_node *node)  in efc_node_send_ls_io_cleanup()  argument
261 	if (node->send_ls_acc != EFC_NODE_SEND_LS_ACC_NONE) {  in efc_node_send_ls_io_cleanup()
262 		efc_log_debug(node->efc, "[%s] cleaning up LS_ACC oxid=0x%x\n",  in efc_node_send_ls_io_cleanup()
263 			      node->display_name, node->ls_acc_oxid);  in efc_node_send_ls_io_cleanup()
265 		node->send_ls_acc = EFC_NODE_SEND_LS_ACC_NONE;  in efc_node_send_ls_io_cleanup()
266 		node->ls_acc_io = NULL;  in efc_node_send_ls_io_cleanup()
270 static void efc_node_handle_implicit_logo(struct efc_node *node)  in efc_node_handle_implicit_logo()  argument
279 	WARN_ON(node->send_ls_acc != EFC_NODE_SEND_LS_ACC_PLOGI);  in efc_node_handle_implicit_logo()
280 	node_printf(node, "Reason: implicit logout, re-authenticate\n");  in efc_node_handle_implicit_logo()
283 	node->req_free = false;  in efc_node_handle_implicit_logo()
284 	rc = efc_node_attach(node);  in efc_node_handle_implicit_logo()
285 	efc_node_transition(node, __efc_d_wait_node_attach, NULL);  in efc_node_handle_implicit_logo()
286 	node->els_io_enabled = true;  in efc_node_handle_implicit_logo()
289 		efc_node_post_event(node, EFC_EVT_NODE_ATTACH_FAIL, NULL);  in efc_node_handle_implicit_logo()
292 static void efc_node_handle_explicit_logo(struct efc_node *node)  in efc_node_handle_explicit_logo()  argument
298 	efc_node_send_ls_io_cleanup(node);  in efc_node_handle_explicit_logo()
300 	spin_lock_irqsave(&node->pend_frames_lock, flags);  in efc_node_handle_explicit_logo()
301 	pend_frames_empty = list_empty(&node->pend_frames);  in efc_node_handle_explicit_logo()
302 	spin_unlock_irqrestore(&node->pend_frames_lock, flags);  in efc_node_handle_explicit_logo()
312 	node_printf(node, "Shutdown: explicit logo pend=%d ", !pend_frames_empty);  in efc_node_handle_explicit_logo()
313 	node_printf(node, "nport.ini=%d node.tgt=%d\n",  in efc_node_handle_explicit_logo()
314 		    node->nport->enable_ini, node->targ);  in efc_node_handle_explicit_logo()
315 	if (!pend_frames_empty || (node->nport->enable_ini && node->targ)) {  in efc_node_handle_explicit_logo()
318 		if (node->nport->enable_ini && node->targ) {  in efc_node_handle_explicit_logo()
332 		node->els_io_enabled = true;  in efc_node_handle_explicit_logo()
333 		node->req_free = false;  in efc_node_handle_explicit_logo()
340 		efc_node_init_device(node, send_plogi);  in efc_node_handle_explicit_logo()
346 efc_node_purge_pending(struct efc_node *node)  in efc_node_purge_pending()  argument
348 	struct efc *efc = node->efc;  in efc_node_purge_pending()
352 	spin_lock_irqsave(&node->pend_frames_lock, flags);  in efc_node_purge_pending()
354 	list_for_each_entry_safe(frame, next, &node->pend_frames, list_entry) {  in efc_node_purge_pending()
359 	spin_unlock_irqrestore(&node->pend_frames_lock, flags);  in efc_node_purge_pending()
366 	struct efc_node *node = ctx->app;  in __efc_node_shutdown()  local
374 		efc_node_hold_frames(node);  in __efc_node_shutdown()
375 		WARN_ON(!efc_els_io_list_empty(node, &node->els_ios_list));  in __efc_node_shutdown()
377 		node->req_free = true;  in __efc_node_shutdown()
379 		switch (node->shutdown_reason) {  in __efc_node_shutdown()
387 			efc_node_handle_implicit_logo(node);  in __efc_node_shutdown()
391 			efc_node_handle_explicit_logo(node);  in __efc_node_shutdown()
404 			efc_node_send_ls_io_cleanup(node);  in __efc_node_shutdown()
406 			node_printf(node,  in __efc_node_shutdown()
408 			efc_node_purge_pending(node);  in __efc_node_shutdown()
416 		efc_node_accept_frames(node);  in __efc_node_shutdown()
425 efc_node_check_els_quiesced(struct efc_node *node)  in efc_node_check_els_quiesced()  argument
428 	if (node->els_req_cnt == 0 && node->els_cmpl_cnt == 0 &&  in efc_node_check_els_quiesced()
429 	    efc_els_io_list_empty(node, &node->els_ios_list)) {  in efc_node_check_els_quiesced()
430 		if (!node->attached) {  in efc_node_check_els_quiesced()
432 			node_printf(node, "HW node not attached\n");  in efc_node_check_els_quiesced()
433 			efc_node_transition(node,  in efc_node_check_els_quiesced()
441 			node_printf(node, "HW node still attached\n");  in efc_node_check_els_quiesced()
442 			efc_node_transition(node, __efc_node_wait_node_free,  in efc_node_check_els_quiesced()
451 efc_node_initiate_cleanup(struct efc_node *node)  in efc_node_initiate_cleanup()  argument
457 	if (!efc_node_check_els_quiesced(node)) {  in efc_node_initiate_cleanup()
458 		efc_node_hold_frames(node);  in efc_node_initiate_cleanup()
459 		efc_node_transition(node, __efc_node_wait_els_shutdown, NULL);  in efc_node_initiate_cleanup()
468 	struct efc_node *node = ctx->app;  in __efc_node_wait_els_shutdown()  local
476 		efc_node_hold_frames(node);  in __efc_node_wait_els_shutdown()
477 		if (efc_els_io_list_empty(node, &node->els_ios_list)) {  in __efc_node_wait_els_shutdown()
478 			node_printf(node, "All ELS IOs complete\n");  in __efc_node_wait_els_shutdown()
483 		efc_node_accept_frames(node);  in __efc_node_wait_els_shutdown()
490 		if (WARN_ON(!node->els_req_cnt))  in __efc_node_wait_els_shutdown()
492 		node->els_req_cnt--;  in __efc_node_wait_els_shutdown()
498 		if (WARN_ON(!node->els_cmpl_cnt))  in __efc_node_wait_els_shutdown()
500 		node->els_cmpl_cnt--;  in __efc_node_wait_els_shutdown()
506 		node_printf(node, "All ELS IOs complete\n");  in __efc_node_wait_els_shutdown()
507 		WARN_ON(!efc_els_io_list_empty(node, &node->els_ios_list));  in __efc_node_wait_els_shutdown()
522 		node->shutdown_reason = EFC_NODE_SHUTDOWN_DEFAULT;  in __efc_node_wait_els_shutdown()
527 		node_printf(node, "%s received\n", efc_sm_event_name(evt));  in __efc_node_wait_els_shutdown()
535 		efc_node_check_els_quiesced(node);  in __efc_node_wait_els_shutdown()
542 	struct efc_node *node = ctx->app;  in __efc_node_wait_node_free()  local
550 		efc_node_hold_frames(node);  in __efc_node_wait_node_free()
554 		efc_node_accept_frames(node);  in __efc_node_wait_node_free()
559 		node->attached = false;  in __efc_node_wait_node_free()
560 		efc_node_transition(node, __efc_node_wait_ios_shutdown, NULL);  in __efc_node_wait_node_free()
575 		node->shutdown_reason = EFC_NODE_SHUTDOWN_DEFAULT;  in __efc_node_wait_node_free()
580 		node_printf(node, "%s received\n", efc_sm_event_name(evt));  in __efc_node_wait_node_free()
591 	struct efc_node *node = ctx->app;  in __efc_node_wait_ios_shutdown()  local
592 	struct efc *efc = node->efc;  in __efc_node_wait_ios_shutdown()
600 		efc_node_hold_frames(node);  in __efc_node_wait_ios_shutdown()
603 		if (efc_els_io_list_empty(node, &node->els_ios_list))  in __efc_node_wait_ios_shutdown()
605 			efc_node_transition(node, __efc_node_shutdown, NULL);  in __efc_node_wait_ios_shutdown()
610 		if (efc_els_io_list_empty(node, &node->els_ios_list))  in __efc_node_wait_ios_shutdown()
611 			efc_node_transition(node, __efc_node_shutdown, NULL);  in __efc_node_wait_ios_shutdown()
615 		efc_node_accept_frames(node);  in __efc_node_wait_ios_shutdown()
620 		if (WARN_ON(!node->els_req_cnt))  in __efc_node_wait_ios_shutdown()
622 		node->els_req_cnt--;  in __efc_node_wait_ios_shutdown()
628 		node->shutdown_reason = EFC_NODE_SHUTDOWN_DEFAULT;  in __efc_node_wait_ios_shutdown()
633 		efc_log_debug(efc, "[%s] %-20s\n", node->display_name,  in __efc_node_wait_ios_shutdown()
648 	struct efc_node *node = NULL;  in __efc_node_common()  local
652 	node = ctx->app;  in __efc_node_common()
653 	efc = node->efc;  in __efc_node_common()
665 		node->refound = true;  in __efc_node_common()
673 		node->attached = true;  in __efc_node_common()
678 		node->attached = false;  in __efc_node_common()
688 		if (WARN_ON(!node->els_cmpl_cnt))  in __efc_node_common()
690 		node->els_cmpl_cnt--;  in __efc_node_common()
702 		if (WARN_ON(!node->els_req_cnt))  in __efc_node_common()
704 		node->els_req_cnt--;  in __efc_node_common()
716 			      node->display_name, funcname,  in __efc_node_common()
719 		efc_send_ls_rjt(node, be16_to_cpu(hdr->fh_ox_id),  in __efc_node_common()
738 			      node->display_name, funcname,  in __efc_node_common()
741 		efc_send_ls_rjt(node, be16_to_cpu(hdr->fh_ox_id),  in __efc_node_common()
747 			      node->display_name, funcname,  in __efc_node_common()
751 		efc_send_bls_acc(node, cbdata->header->dma.virt);  in __efc_node_common()
756 		efc_log_debug(node->efc, "[%s] %-20s %-20s not handled\n",  in __efc_node_common()
757 			      node->display_name, funcname,  in __efc_node_common()
763 efc_node_save_sparms(struct efc_node *node, void *payload)  in efc_node_save_sparms()  argument
765 	memcpy(node->service_params, payload, sizeof(node->service_params));  in efc_node_save_sparms()
769 efc_node_post_event(struct efc_node *node,  in efc_node_post_event()  argument
774 	node->evtdepth++;  in efc_node_post_event()
776 	efc_sm_post_event(&node->sm, evt, arg);  in efc_node_post_event()
784 	if (!node->hold_frames && node->evtdepth == 1)  in efc_node_post_event()
785 		efc_process_node_pending(node);  in efc_node_post_event()
787 	node->evtdepth--;  in efc_node_post_event()
793 	if (node->evtdepth == 0 && node->req_free)  in efc_node_post_event()
797 		efc_node_free(node);  in efc_node_post_event()
801 efc_node_transition(struct efc_node *node,  in efc_node_transition()  argument
805 	struct efc_sm_ctx *ctx = &node->sm;  in efc_node_transition()
808 		efc_node_post_event(node, EFC_EVT_REENTER, data);  in efc_node_transition()
810 		efc_node_post_event(node, EFC_EVT_EXIT, data);  in efc_node_transition()
812 		efc_node_post_event(node, EFC_EVT_ENTER, data);  in efc_node_transition()
825 efc_node_get_wwpn(struct efc_node *node)  in efc_node_get_wwpn()  argument
828 			(struct fc_els_flogi *)node->service_params;  in efc_node_get_wwpn()
834 efc_node_get_wwnn(struct efc_node *node)  in efc_node_get_wwnn()  argument
837 			(struct fc_els_flogi *)node->service_params;  in efc_node_get_wwnn()
861 efc_els_io_list_empty(struct efc_node *node, struct list_head *list)  in efc_els_io_list_empty()  argument
866 	spin_lock_irqsave(&node->els_ios_lock, flags);  in efc_els_io_list_empty()
868 	spin_unlock_irqrestore(&node->els_ios_lock, flags);  in efc_els_io_list_empty()
873 efc_node_pause(struct efc_node *node,  in efc_node_pause()  argument
878 	node->nodedb_state = state;  in efc_node_pause()
879 	efc_node_transition(node, __efc_node_paused, NULL);  in efc_node_pause()
886 	struct efc_node *node = ctx->app;  in __efc_node_paused()  local
898 		node_printf(node, "Paused\n");  in __efc_node_paused()
905 		pf = node->nodedb_state;  in __efc_node_paused()
907 		node->nodedb_state = NULL;  in __efc_node_paused()
908 		efc_node_transition(node, pf, NULL);  in __efc_node_paused()
916 		node->req_free = true;  in __efc_node_paused()
925 efc_node_recv_els_frame(struct efc_node *node,  in efc_node_recv_els_frame()  argument
962 	efc_node_post_event(node, evt, &cbdata);  in efc_node_recv_els_frame()
966 efc_node_recv_ct_frame(struct efc_node *node,  in efc_node_recv_ct_frame()  argument
971 	struct efc *efc = node->efc;  in efc_node_recv_ct_frame()
975 		    node->display_name, gscmd);  in efc_node_recv_ct_frame()
976 	efc_send_ct_rsp(efc, node, be16_to_cpu(hdr->fh_ox_id), iu,  in efc_node_recv_ct_frame()
981 efc_node_recv_fcp_cmd(struct efc_node *node, struct efc_hw_sequence *seq)  in efc_node_recv_fcp_cmd()  argument
989 	efc_node_post_event(node, EFC_EVT_FCP_CMD_RCVD, &cbdata);  in efc_node_recv_fcp_cmd()
993 efc_process_node_pending(struct efc_node *node)  in efc_process_node_pending()  argument
995 	struct efc *efc = node->efc;  in efc_process_node_pending()
1005 		if (node->hold_frames)  in efc_process_node_pending()
1010 		spin_lock_irqsave(&node->pend_frames_lock, flags);  in efc_process_node_pending()
1012 		if (!list_empty(&node->pend_frames)) {  in efc_process_node_pending()
1013 			seq = list_first_entry(&node->pend_frames,  in efc_process_node_pending()
1017 		spin_unlock_irqrestore(&node->pend_frames_lock, flags);  in efc_process_node_pending()
1020 			pend_frames_processed =	node->pend_frames_processed;  in efc_process_node_pending()
1021 			node->pend_frames_processed = 0;  in efc_process_node_pending()
1024 		node->pend_frames_processed++;  in efc_process_node_pending()
1027 		efc_node_dispatch_frame(node, seq);  in efc_process_node_pending()
1037 efc_scsi_sess_reg_complete(struct efc_node *node, u32 status)  in efc_scsi_sess_reg_complete()  argument
1041 	struct efc *efc = node->efc;  in efc_scsi_sess_reg_complete()
1048 	efc_node_post_event(node, evt, NULL);  in efc_scsi_sess_reg_complete()
1053 efc_scsi_del_initiator_complete(struct efc *efc, struct efc_node *node)  in efc_scsi_del_initiator_complete()  argument
1059 	efc_node_post_event(node, EFC_EVT_NODE_DEL_INI_COMPLETE, NULL);  in efc_scsi_del_initiator_complete()
1064 efc_scsi_del_target_complete(struct efc *efc, struct efc_node *node)  in efc_scsi_del_target_complete()  argument
1070 	efc_node_post_event(node, EFC_EVT_NODE_DEL_TGT_COMPLETE, NULL);  in efc_scsi_del_target_complete()
1075 efc_scsi_io_list_empty(struct efc *efc, struct efc_node *node)  in efc_scsi_io_list_empty()  argument
1080 	efc_node_post_event(node, EFC_EVT_NODE_ACTIVE_IO_LIST_EMPTY, NULL);  in efc_scsi_io_list_empty()
1084 void efc_node_post_els_resp(struct efc_node *node, u32 evt, void *arg)  in efc_node_post_els_resp()  argument
1086 	struct efc *efc = node->efc;  in efc_node_post_els_resp()
1090 	efc_node_post_event(node, evt, arg);  in efc_node_post_els_resp()
1094 void efc_node_post_shutdown(struct efc_node *node, void *arg)  in efc_node_post_shutdown()  argument
1097 	struct efc *efc = node->efc;  in efc_node_post_shutdown()
1100 	efc_node_post_event(node, EFC_EVT_SHUTDOWN, arg);  in efc_node_post_shutdown()