421 	struct iser_conn *iser_conn = to_iser_conn(ib_conn);  in iser_create_ib_conn_res()  local
459 		iser_conn->max_cmds =  in iser_create_ib_conn_res()
464 			iser_conn->max_cmds =  in iser_create_ib_conn_res()
468 			iser_conn->max_cmds =  in iser_create_ib_conn_res()
548 static int iser_conn_state_comp_exch(struct iser_conn *iser_conn,  in iser_conn_state_comp_exch()  argument
554 	ret = (iser_conn->state == comp);  in iser_conn_state_comp_exch()
556 		iser_conn->state = exch;  in iser_conn_state_comp_exch()
563 	struct iser_conn *iser_conn;  in iser_release_work()  local
565 	iser_conn = container_of(work, struct iser_conn, release_work);  in iser_release_work()
568 	wait_for_completion(&iser_conn->stop_completion);  in iser_release_work()
570 	wait_for_completion(&iser_conn->ib_completion);  in iser_release_work()
572 	mutex_lock(&iser_conn->state_mutex);  in iser_release_work()
573 	iser_conn->state = ISER_CONN_DOWN;  in iser_release_work()
574 	mutex_unlock(&iser_conn->state_mutex);  in iser_release_work()
576 	iser_conn_release(iser_conn);  in iser_release_work()
590 static void iser_free_ib_conn_res(struct iser_conn *iser_conn,  in iser_free_ib_conn_res()  argument
593 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_free_ib_conn_res()
597 		  iser_conn, ib_conn->cma_id, ib_conn->qp);  in iser_free_ib_conn_res()
608 		if (iser_conn->rx_descs)  in iser_free_ib_conn_res()
609 			iser_free_rx_descriptors(iser_conn);  in iser_free_ib_conn_res()
621 void iser_conn_release(struct iser_conn *iser_conn)  in iser_conn_release()  argument
623 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_release()
626 	list_del(&iser_conn->conn_list);  in iser_conn_release()
629 	mutex_lock(&iser_conn->state_mutex);  in iser_conn_release()
631 	if (iser_conn->state != ISER_CONN_DOWN) {  in iser_conn_release()
633 			  iser_conn, iser_conn->state);  in iser_conn_release()
634 		iscsi_destroy_endpoint(iser_conn->ep);  in iser_conn_release()
635 		iser_conn->state = ISER_CONN_DOWN;  in iser_conn_release()
641 	iser_free_ib_conn_res(iser_conn, true);  in iser_conn_release()
642 	mutex_unlock(&iser_conn->state_mutex);  in iser_conn_release()
649 	kfree(iser_conn);  in iser_conn_release()
656 int iser_conn_terminate(struct iser_conn *iser_conn)  in iser_conn_terminate()  argument
658 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_terminate()
662 	if (!iser_conn_state_comp_exch(iser_conn, ISER_CONN_UP,  in iser_conn_terminate()
666 	iser_info("iser_conn %p state %d\n", iser_conn, iser_conn->state);  in iser_conn_terminate()
669 	if (iser_conn->iscsi_conn)  in iser_conn_terminate()
670 		iscsi_suspend_queue(iser_conn->iscsi_conn);  in iser_conn_terminate()
681 				 iser_conn, err);  in iser_conn_terminate()
695 	struct iser_conn *iser_conn;  in iser_connect_error()  local
697 	iser_conn = (struct iser_conn *)cma_id->context;  in iser_connect_error()
698 	iser_conn->state = ISER_CONN_TERMINATING;  in iser_connect_error()
702 iser_calc_scsi_params(struct iser_conn *iser_conn,  in iser_calc_scsi_params()  argument
705 	struct iser_device *device = iser_conn->ib_conn.device;  in iser_calc_scsi_params()
731 	iser_conn->scsi_sg_tablesize = min(sg_tablesize, sup_sg_tablesize);  in iser_calc_scsi_params()
732 	iser_conn->pages_per_mr =  in iser_calc_scsi_params()
733 		iser_conn->scsi_sg_tablesize + reserved_mr_pages;  in iser_calc_scsi_params()
742 	struct iser_conn   *iser_conn;  in iser_addr_handler()  local
746 	iser_conn = (struct iser_conn *)cma_id->context;  in iser_addr_handler()
747 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_addr_handler()
751 	ib_conn = &iser_conn->ib_conn;  in iser_addr_handler()
774 	iser_calc_scsi_params(iser_conn, iser_max_sectors);  in iser_addr_handler()
792 	struct iser_conn *iser_conn = (struct iser_conn *)cma_id->context;  in iser_route_handler()  local
793 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_route_handler()
796 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_route_handler()
831 	struct iser_conn *iser_conn;  in iser_connected_handler()  local
835 	iser_conn = (struct iser_conn *)cma_id->context;  in iser_connected_handler()
836 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_connected_handler()
846 		iser_conn->snd_w_inv = !(flags & ISER_SEND_W_INV_NOT_SUP);  in iser_connected_handler()
850 		  iser_conn, iser_conn->snd_w_inv ? "remote" : "local");  in iser_connected_handler()
852 	iser_conn->state = ISER_CONN_UP;  in iser_connected_handler()
853 	complete(&iser_conn->up_completion);  in iser_connected_handler()
858 	struct iser_conn *iser_conn = (struct iser_conn *)cma_id->context;  in iser_disconnected_handler()  local
860 	if (iser_conn_terminate(iser_conn)) {  in iser_disconnected_handler()
861 		if (iser_conn->iscsi_conn)  in iser_disconnected_handler()
862 			iscsi_conn_failure(iser_conn->iscsi_conn,  in iser_disconnected_handler()
872 	struct iser_conn *iser_conn = (struct iser_conn *)cma_id->context;  in iser_cleanup_handler()  local
880 	iser_free_ib_conn_res(iser_conn, destroy);  in iser_cleanup_handler()
881 	complete(&iser_conn->ib_completion);  in iser_cleanup_handler()
886 	struct iser_conn *iser_conn;  in iser_cma_handler()  local
889 	iser_conn = (struct iser_conn *)cma_id->context;  in iser_cma_handler()
894 	mutex_lock(&iser_conn->state_mutex);  in iser_cma_handler()
928 		if (iser_conn->state != ISER_CONN_DOWN) {  in iser_cma_handler()
929 			iser_conn->ib_conn.cma_id = NULL;  in iser_cma_handler()
938 	mutex_unlock(&iser_conn->state_mutex);  in iser_cma_handler()
943 void iser_conn_init(struct iser_conn *iser_conn)  in iser_conn_init()  argument
945 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_init()
947 	iser_conn->state = ISER_CONN_INIT;  in iser_conn_init()
948 	init_completion(&iser_conn->stop_completion);  in iser_conn_init()
949 	init_completion(&iser_conn->ib_completion);  in iser_conn_init()
950 	init_completion(&iser_conn->up_completion);  in iser_conn_init()
951 	INIT_LIST_HEAD(&iser_conn->conn_list);  in iser_conn_init()
952 	mutex_init(&iser_conn->state_mutex);  in iser_conn_init()
962 int iser_connect(struct iser_conn   *iser_conn,  in iser_connect()  argument
967 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_connect()
970 	mutex_lock(&iser_conn->state_mutex);  in iser_connect()
972 	sprintf(iser_conn->name, "%pISp", dst_addr);  in iser_connect()
974 	iser_info("connecting to: %s\n", iser_conn->name);  in iser_connect()
979 	iser_conn->state = ISER_CONN_PENDING;  in iser_connect()
982 					 (void *)iser_conn,  in iser_connect()
997 		wait_for_completion_interruptible(&iser_conn->up_completion);  in iser_connect()
999 		if (iser_conn->state != ISER_CONN_UP) {  in iser_connect()
1004 	mutex_unlock(&iser_conn->state_mutex);  in iser_connect()
1007 	list_add(&iser_conn->conn_list, &ig.connlist);  in iser_connect()
1014 	iser_conn->state = ISER_CONN_DOWN;  in iser_connect()
1016 	mutex_unlock(&iser_conn->state_mutex);  in iser_connect()
1017 	iser_conn_release(iser_conn);  in iser_connect()
1021 int iser_post_recvl(struct iser_conn *iser_conn)  in iser_post_recvl()  argument
1023 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_post_recvl()
1024 	struct iser_login_desc *desc = &iser_conn->login_desc;  in iser_post_recvl()
1048 int iser_post_recvm(struct iser_conn *iser_conn, int count)  in iser_post_recvm()  argument
1050 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_post_recvm()
1051 	unsigned int my_rx_head = iser_conn->rx_desc_head;  in iser_post_recvm()
1057 		rx_desc = &iser_conn->rx_descs[my_rx_head];  in iser_post_recvm()
1063 		my_rx_head = (my_rx_head + 1) & iser_conn->qp_max_recv_dtos_mask;  in iser_post_recvm()
1075 		iser_conn->rx_desc_head = my_rx_head;  in iser_post_recvm()
1162 		struct iser_conn *iser_conn = to_iser_conn(wc->qp->qp_context);  in iser_err_comp()  local
1168 		if (iser_conn->iscsi_conn)  in iser_err_comp()
1169 			iscsi_conn_failure(iser_conn->iscsi_conn,  in iser_err_comp()