564 static void put_rx_win(struct vas_window *rxwin)  in put_rx_win()  argument
567 	WARN_ON_ONCE(rxwin->tx_win);  in put_rx_win()
569 	atomic_dec(&rxwin->num_txwins);  in put_rx_win()
583 	struct vas_window *rxwin;  in get_user_rxwin()  local
590 	rxwin = vinst->windows[winid];  in get_user_rxwin()
592 	if (!rxwin || rxwin->tx_win || rxwin->cop != VAS_COP_TYPE_FTW)  in get_user_rxwin()
595 	return rxwin;  in get_user_rxwin()
607 	struct vas_window *rxwin;  in get_vinst_rxwin()  local
612 		rxwin = get_user_rxwin(vinst, pswid);  in get_vinst_rxwin()
614 		rxwin = vinst->rxwin[cop] ?: ERR_PTR(-EINVAL);  in get_vinst_rxwin()
616 	if (!IS_ERR(rxwin))  in get_vinst_rxwin()
617 		atomic_inc(&rxwin->num_txwins);  in get_vinst_rxwin()
621 	return rxwin;  in get_vinst_rxwin()
651 		WARN_ON_ONCE(vinst->rxwin[window->cop]);  in set_vinst_win()
652 		vinst->rxwin[window->cop] = window;  in set_vinst_win()
673 		WARN_ON_ONCE(!vinst->rxwin[window->cop]);  in clear_vinst_win()
674 		vinst->rxwin[window->cop] = NULL;  in clear_vinst_win()
683 static void init_winctx_for_rxwin(struct vas_window *rxwin,  in init_winctx_for_rxwin()  argument
704 	winctx->wcreds_max = rxwin->wcreds_max;  in init_winctx_for_rxwin()
850 	struct vas_window *rxwin;  in vas_rx_win_open()  local
866 	rxwin = vas_window_alloc(vinst);  in vas_rx_win_open()
867 	if (IS_ERR(rxwin)) {  in vas_rx_win_open()
869 		return rxwin;  in vas_rx_win_open()
872 	rxwin->tx_win = false;  in vas_rx_win_open()
873 	rxwin->nx_win = rxattr->nx_win;  in vas_rx_win_open()
874 	rxwin->user_win = rxattr->user_win;  in vas_rx_win_open()
875 	rxwin->cop = cop;  in vas_rx_win_open()
876 	rxwin->wcreds_max = rxattr->wcreds_max ?: VAS_WCREDS_DEFAULT;  in vas_rx_win_open()
878 		rxwin->pid = task_pid_vnr(current);  in vas_rx_win_open()
880 	init_winctx_for_rxwin(rxwin, rxattr, &winctx);  in vas_rx_win_open()
881 	init_winctx_regs(rxwin, &winctx);  in vas_rx_win_open()
883 	set_vinst_win(vinst, rxwin);  in vas_rx_win_open()
885 	return rxwin;  in vas_rx_win_open()
929 	winctx->nx_win = txwin->rxwin->nx_win;  in init_winctx_for_txwin()
946 	winctx->rx_win_id = txwin->rxwin->winid;  in init_winctx_for_txwin()
980 	struct vas_window *rxwin;  in vas_tx_win_open()  local
1003 	rxwin = get_vinst_rxwin(vinst, cop, attr->pswid);  in vas_tx_win_open()
1004 	if (IS_ERR(rxwin)) {  in vas_tx_win_open()
1006 		return rxwin;  in vas_tx_win_open()
1017 	txwin->rxwin = rxwin;  in vas_tx_win_open()
1018 	txwin->nx_win = txwin->rxwin->nx_win;  in vas_tx_win_open()
1059 	put_rx_win(rxwin);  in vas_tx_win_open()
1250 		put_rx_win(window->rxwin);  in vas_win_close()