238 	struct iser_conn *iser_conn = to_iser_conn(ib_conn);  in iser_create_ib_conn_res()  local
279 	iser_conn->max_cmds = ISER_GET_MAX_XMIT_CMDS(max_send_wr - 1);  in iser_create_ib_conn_res()
353 static int iser_conn_state_comp_exch(struct iser_conn *iser_conn,  in iser_conn_state_comp_exch()  argument
359 	ret = (iser_conn->state == comp);  in iser_conn_state_comp_exch()
361 		iser_conn->state = exch;  in iser_conn_state_comp_exch()
368 	struct iser_conn *iser_conn;  in iser_release_work()  local
370 	iser_conn = container_of(work, struct iser_conn, release_work);  in iser_release_work()
373 	wait_for_completion(&iser_conn->stop_completion);  in iser_release_work()
375 	wait_for_completion(&iser_conn->ib_completion);  in iser_release_work()
377 	mutex_lock(&iser_conn->state_mutex);  in iser_release_work()
378 	iser_conn->state = ISER_CONN_DOWN;  in iser_release_work()
379 	mutex_unlock(&iser_conn->state_mutex);  in iser_release_work()
381 	iser_conn_release(iser_conn);  in iser_release_work()
395 static void iser_free_ib_conn_res(struct iser_conn *iser_conn,  in iser_free_ib_conn_res()  argument
398 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_free_ib_conn_res()
402 		  iser_conn, ib_conn->cma_id, ib_conn->qp);  in iser_free_ib_conn_res()
411 		if (iser_conn->rx_descs)  in iser_free_ib_conn_res()
412 			iser_free_rx_descriptors(iser_conn);  in iser_free_ib_conn_res()
425 void iser_conn_release(struct iser_conn *iser_conn)  in iser_conn_release()  argument
427 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_release()
430 	list_del(&iser_conn->conn_list);  in iser_conn_release()
433 	mutex_lock(&iser_conn->state_mutex);  in iser_conn_release()
435 	if (iser_conn->state != ISER_CONN_DOWN) {  in iser_conn_release()
437 			  iser_conn, iser_conn->state);  in iser_conn_release()
438 		iscsi_destroy_endpoint(iser_conn->ep);  in iser_conn_release()
439 		iser_conn->state = ISER_CONN_DOWN;  in iser_conn_release()
445 	iser_free_ib_conn_res(iser_conn, true);  in iser_conn_release()
446 	mutex_unlock(&iser_conn->state_mutex);  in iser_conn_release()
453 	kfree(iser_conn);  in iser_conn_release()
463 int iser_conn_terminate(struct iser_conn *iser_conn)  in iser_conn_terminate()  argument
465 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_terminate()
469 	if (!iser_conn_state_comp_exch(iser_conn, ISER_CONN_UP,  in iser_conn_terminate()
473 	iser_info("iser_conn %p state %d\n", iser_conn, iser_conn->state);  in iser_conn_terminate()
476 	if (iser_conn->iscsi_conn)  in iser_conn_terminate()
477 		iscsi_suspend_queue(iser_conn->iscsi_conn);  in iser_conn_terminate()
488 				 iser_conn, err);  in iser_conn_terminate()
502 	struct iser_conn *iser_conn;  in iser_connect_error()  local
504 	iser_conn = (struct iser_conn *)cma_id->context;  in iser_connect_error()
505 	iser_conn->state = ISER_CONN_TERMINATING;  in iser_connect_error()
509 iser_calc_scsi_params(struct iser_conn *iser_conn,  in iser_calc_scsi_params()  argument
512 	struct iser_device *device = iser_conn->ib_conn.device;  in iser_calc_scsi_params()
529 	if (iser_conn->ib_conn.pi_support)  in iser_calc_scsi_params()
537 	iser_conn->scsi_sg_tablesize = min(sg_tablesize, sup_sg_tablesize);  in iser_calc_scsi_params()
538 	iser_conn->pages_per_mr =  in iser_calc_scsi_params()
539 		iser_conn->scsi_sg_tablesize + reserved_mr_pages;  in iser_calc_scsi_params()
548 	struct iser_conn   *iser_conn;  in iser_addr_handler()  local
552 	iser_conn = (struct iser_conn *)cma_id->context;  in iser_addr_handler()
553 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_addr_handler()
557 	ib_conn = &iser_conn->ib_conn;  in iser_addr_handler()
580 	iser_calc_scsi_params(iser_conn, iser_max_sectors);  in iser_addr_handler()
598 	struct iser_conn *iser_conn = (struct iser_conn *)cma_id->context;  in iser_route_handler()  local
599 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_route_handler()
602 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_route_handler()
637 	struct iser_conn *iser_conn;  in iser_connected_handler()  local
641 	iser_conn = (struct iser_conn *)cma_id->context;  in iser_connected_handler()
642 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_connected_handler()
652 		iser_conn->snd_w_inv = !(flags & ISER_SEND_W_INV_NOT_SUP);  in iser_connected_handler()
656 		  iser_conn, iser_conn->snd_w_inv ? "remote" : "local");  in iser_connected_handler()
658 	iser_conn->state = ISER_CONN_UP;  in iser_connected_handler()
659 	complete(&iser_conn->up_completion);  in iser_connected_handler()
664 	struct iser_conn *iser_conn = (struct iser_conn *)cma_id->context;  in iser_disconnected_handler()  local
666 	if (iser_conn_terminate(iser_conn)) {  in iser_disconnected_handler()
667 		if (iser_conn->iscsi_conn)  in iser_disconnected_handler()
668 			iscsi_conn_failure(iser_conn->iscsi_conn,  in iser_disconnected_handler()
678 	struct iser_conn *iser_conn = (struct iser_conn *)cma_id->context;  in iser_cleanup_handler()  local
686 	iser_free_ib_conn_res(iser_conn, destroy);  in iser_cleanup_handler()
687 	complete(&iser_conn->ib_completion);  in iser_cleanup_handler()
692 	struct iser_conn *iser_conn;  in iser_cma_handler()  local
695 	iser_conn = (struct iser_conn *)cma_id->context;  in iser_cma_handler()
700 	mutex_lock(&iser_conn->state_mutex);  in iser_cma_handler()
734 		if (iser_conn->state != ISER_CONN_DOWN) {  in iser_cma_handler()
735 			iser_conn->ib_conn.cma_id = NULL;  in iser_cma_handler()
744 	mutex_unlock(&iser_conn->state_mutex);  in iser_cma_handler()
749 void iser_conn_init(struct iser_conn *iser_conn)  in iser_conn_init()  argument
751 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_init()
753 	iser_conn->state = ISER_CONN_INIT;  in iser_conn_init()
754 	init_completion(&iser_conn->stop_completion);  in iser_conn_init()
755 	init_completion(&iser_conn->ib_completion);  in iser_conn_init()
756 	init_completion(&iser_conn->up_completion);  in iser_conn_init()
757 	INIT_LIST_HEAD(&iser_conn->conn_list);  in iser_conn_init()
758 	mutex_init(&iser_conn->state_mutex);  in iser_conn_init()
768 int iser_connect(struct iser_conn   *iser_conn,  in iser_connect()  argument
773 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_connect()
776 	mutex_lock(&iser_conn->state_mutex);  in iser_connect()
778 	sprintf(iser_conn->name, "%pISp", dst_addr);  in iser_connect()
780 	iser_info("connecting to: %s\n", iser_conn->name);  in iser_connect()
785 	iser_conn->state = ISER_CONN_PENDING;  in iser_connect()
788 					 (void *)iser_conn,  in iser_connect()
803 		wait_for_completion_interruptible(&iser_conn->up_completion);  in iser_connect()
805 		if (iser_conn->state != ISER_CONN_UP) {  in iser_connect()
810 	mutex_unlock(&iser_conn->state_mutex);  in iser_connect()
813 	list_add(&iser_conn->conn_list, &ig.connlist);  in iser_connect()
820 	iser_conn->state = ISER_CONN_DOWN;  in iser_connect()
822 	mutex_unlock(&iser_conn->state_mutex);  in iser_connect()
823 	iser_conn_release(iser_conn);  in iser_connect()
827 int iser_post_recvl(struct iser_conn *iser_conn)  in iser_post_recvl()  argument
829 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_post_recvl()
830 	struct iser_login_desc *desc = &iser_conn->login_desc;  in iser_post_recvl()
854 int iser_post_recvm(struct iser_conn *iser_conn, int count)  in iser_post_recvm()  argument
856 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_post_recvm()
857 	unsigned int my_rx_head = iser_conn->rx_desc_head;  in iser_post_recvm()
863 		rx_desc = &iser_conn->rx_descs[my_rx_head];  in iser_post_recvm()
869 		my_rx_head = (my_rx_head + 1) & iser_conn->qp_max_recv_dtos_mask;  in iser_post_recvm()
881 		iser_conn->rx_desc_head = my_rx_head;  in iser_post_recvm()
978 		struct iser_conn *iser_conn = to_iser_conn(wc->qp->qp_context);  in iser_err_comp()  local
984 		if (iser_conn->iscsi_conn)  in iser_err_comp()
985 			iscsi_conn_failure(iser_conn->iscsi_conn,  in iser_err_comp()