230 	struct iser_conn *iser_conn = to_iser_conn(ib_conn);  in iser_create_ib_conn_res()  local
273 	iser_conn->max_cmds = ISER_GET_MAX_XMIT_CMDS(max_send_wr - 1);  in iser_create_ib_conn_res()
345 	struct iser_conn *iser_conn;  in iser_release_work()  local
347 	iser_conn = container_of(work, struct iser_conn, release_work);  in iser_release_work()
350 	wait_for_completion(&iser_conn->stop_completion);  in iser_release_work()
352 	wait_for_completion(&iser_conn->ib_completion);  in iser_release_work()
354 	mutex_lock(&iser_conn->state_mutex);  in iser_release_work()
355 	iser_conn->state = ISER_CONN_DOWN;  in iser_release_work()
356 	mutex_unlock(&iser_conn->state_mutex);  in iser_release_work()
358 	iser_conn_release(iser_conn);  in iser_release_work()
372 static void iser_free_ib_conn_res(struct iser_conn *iser_conn, bool destroy)  in iser_free_ib_conn_res()  argument
374 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_free_ib_conn_res()
378 		  iser_conn, ib_conn->cma_id, ib_conn->qp);  in iser_free_ib_conn_res()
387 		if (iser_conn->rx_descs)  in iser_free_ib_conn_res()
388 			iser_free_rx_descriptors(iser_conn);  in iser_free_ib_conn_res()
401 void iser_conn_release(struct iser_conn *iser_conn)  in iser_conn_release()  argument
403 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_release()
406 	list_del(&iser_conn->conn_list);  in iser_conn_release()
409 	mutex_lock(&iser_conn->state_mutex);  in iser_conn_release()
411 	if (iser_conn->state != ISER_CONN_DOWN) {  in iser_conn_release()
413 			  iser_conn, iser_conn->state);  in iser_conn_release()
414 		iscsi_destroy_endpoint(iser_conn->ep);  in iser_conn_release()
415 		iser_conn->state = ISER_CONN_DOWN;  in iser_conn_release()
421 	iser_free_ib_conn_res(iser_conn, true);  in iser_conn_release()
422 	mutex_unlock(&iser_conn->state_mutex);  in iser_conn_release()
429 	kfree(iser_conn);  in iser_conn_release()
439 int iser_conn_terminate(struct iser_conn *iser_conn)  in iser_conn_terminate()  argument
441 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_terminate()
444 	lockdep_assert_held(&iser_conn->state_mutex);  in iser_conn_terminate()
447 	if (iser_conn->state != ISER_CONN_UP)  in iser_conn_terminate()
450 	iser_conn->state = ISER_CONN_TERMINATING;  in iser_conn_terminate()
451 	iser_info("iser_conn %p state %d\n", iser_conn, iser_conn->state);  in iser_conn_terminate()
454 	if (iser_conn->iscsi_conn)  in iser_conn_terminate()
455 		iscsi_suspend_queue(iser_conn->iscsi_conn);  in iser_conn_terminate()
466 				 iser_conn, err);  in iser_conn_terminate()
480 	struct iser_conn *iser_conn = cma_id->context;  in iser_connect_error()  local
482 	lockdep_assert_held(&iser_conn->state_mutex);  in iser_connect_error()
484 	iser_conn->state = ISER_CONN_TERMINATING;  in iser_connect_error()
487 static void iser_calc_scsi_params(struct iser_conn *iser_conn,  in iser_calc_scsi_params()  argument
490 	struct iser_device *device = iser_conn->ib_conn.device;  in iser_calc_scsi_params()
507 	if (iser_conn->ib_conn.pi_support)  in iser_calc_scsi_params()
515 	iser_conn->scsi_sg_tablesize = min(sg_tablesize, sup_sg_tablesize);  in iser_calc_scsi_params()
516 	iser_conn->pages_per_mr =  in iser_calc_scsi_params()
517 		iser_conn->scsi_sg_tablesize + reserved_mr_pages;  in iser_calc_scsi_params()
525 	struct iser_conn *iser_conn = cma_id->context;  in iser_addr_handler()  local
530 	lockdep_assert_held(&iser_conn->state_mutex);  in iser_addr_handler()
532 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_addr_handler()
536 	ib_conn = &iser_conn->ib_conn;  in iser_addr_handler()
559 	iser_calc_scsi_params(iser_conn, iser_max_sectors);  in iser_addr_handler()
577 	struct iser_conn *iser_conn = cma_id->context;  in iser_route_handler()  local
578 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_route_handler()
581 	lockdep_assert_held(&iser_conn->state_mutex);  in iser_route_handler()
583 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_route_handler()
621 	struct iser_conn *iser_conn = cma_id->context;  in iser_connected_handler()  local
625 	lockdep_assert_held(&iser_conn->state_mutex);  in iser_connected_handler()
627 	if (iser_conn->state != ISER_CONN_PENDING)  in iser_connected_handler()
637 		iser_conn->snd_w_inv = !(flags & ISER_SEND_W_INV_NOT_SUP);  in iser_connected_handler()
641 		  iser_conn, iser_conn->snd_w_inv ? "remote" : "local");  in iser_connected_handler()
643 	iser_conn->state = ISER_CONN_UP;  in iser_connected_handler()
644 	complete(&iser_conn->up_completion);  in iser_connected_handler()
653 	struct iser_conn *iser_conn = cma_id->context;  in iser_cleanup_handler()  local
655 	lockdep_assert_held(&iser_conn->state_mutex);  in iser_cleanup_handler()
661 	if (iser_conn_terminate(iser_conn)) {  in iser_cleanup_handler()
662 		if (iser_conn->iscsi_conn)  in iser_cleanup_handler()
663 			iscsi_conn_failure(iser_conn->iscsi_conn,  in iser_cleanup_handler()
668 	iser_free_ib_conn_res(iser_conn, destroy);  in iser_cleanup_handler()
669 	complete(&iser_conn->ib_completion);  in iser_cleanup_handler()
675 	struct iser_conn *iser_conn;  in iser_cma_handler()  local
678 	iser_conn = cma_id->context;  in iser_cma_handler()
683 	mutex_lock(&iser_conn->state_mutex);  in iser_cma_handler()
717 		if (iser_conn->state != ISER_CONN_DOWN) {  in iser_cma_handler()
718 			iser_conn->ib_conn.cma_id = NULL;  in iser_cma_handler()
727 	mutex_unlock(&iser_conn->state_mutex);  in iser_cma_handler()
732 void iser_conn_init(struct iser_conn *iser_conn)  in iser_conn_init()  argument
734 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_conn_init()
736 	iser_conn->state = ISER_CONN_INIT;  in iser_conn_init()
737 	init_completion(&iser_conn->stop_completion);  in iser_conn_init()
738 	init_completion(&iser_conn->ib_completion);  in iser_conn_init()
739 	init_completion(&iser_conn->up_completion);  in iser_conn_init()
740 	INIT_LIST_HEAD(&iser_conn->conn_list);  in iser_conn_init()
741 	mutex_init(&iser_conn->state_mutex);  in iser_conn_init()
750 int iser_connect(struct iser_conn *iser_conn, struct sockaddr *src_addr,  in iser_connect()  argument
753 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_connect()
756 	mutex_lock(&iser_conn->state_mutex);  in iser_connect()
758 	sprintf(iser_conn->name, "%pISp", dst_addr);  in iser_connect()
760 	iser_info("connecting to: %s\n", iser_conn->name);  in iser_connect()
765 	iser_conn->state = ISER_CONN_PENDING;  in iser_connect()
768 					 iser_conn, RDMA_PS_TCP, IB_QPT_RC);  in iser_connect()
782 		wait_for_completion_interruptible(&iser_conn->up_completion);  in iser_connect()
784 		if (iser_conn->state != ISER_CONN_UP) {  in iser_connect()
789 	mutex_unlock(&iser_conn->state_mutex);  in iser_connect()
792 	list_add(&iser_conn->conn_list, &ig.connlist);  in iser_connect()
799 	iser_conn->state = ISER_CONN_DOWN;  in iser_connect()
801 	mutex_unlock(&iser_conn->state_mutex);  in iser_connect()
802 	iser_conn_release(iser_conn);  in iser_connect()
806 int iser_post_recvl(struct iser_conn *iser_conn)  in iser_post_recvl()  argument
808 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_post_recvl()
809 	struct iser_login_desc *desc = &iser_conn->login_desc;  in iser_post_recvl()
830 int iser_post_recvm(struct iser_conn *iser_conn, struct iser_rx_desc *rx_desc)  in iser_post_recvm()  argument
832 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_post_recvm()
939 		struct iser_conn *iser_conn = to_iser_conn(wc->qp->qp_context);  in iser_err_comp()  local
945 		if (iser_conn->iscsi_conn)  in iser_err_comp()
946 			iscsi_conn_failure(iser_conn->iscsi_conn,  in iser_err_comp()