566 static void put_rx_win(struct pnv_vas_window *rxwin)  in put_rx_win()  argument
569 	WARN_ON_ONCE(rxwin->tx_win);  in put_rx_win()
571 	atomic_dec(&rxwin->num_txwins);  in put_rx_win()
586 	struct pnv_vas_window *rxwin;  in get_user_rxwin()  local
593 	rxwin = vinst->windows[winid];  in get_user_rxwin()
595 	if (!rxwin || rxwin->tx_win || rxwin->vas_win.cop != VAS_COP_TYPE_FTW)  in get_user_rxwin()
598 	return rxwin;  in get_user_rxwin()
610 	struct pnv_vas_window *rxwin;  in get_vinst_rxwin()  local
615 		rxwin = get_user_rxwin(vinst, pswid);  in get_vinst_rxwin()
617 		rxwin = vinst->rxwin[cop] ?: ERR_PTR(-EINVAL);  in get_vinst_rxwin()
619 	if (!IS_ERR(rxwin))  in get_vinst_rxwin()
620 		atomic_inc(&rxwin->num_txwins);  in get_vinst_rxwin()
624 	return rxwin;  in get_vinst_rxwin()
654 		WARN_ON_ONCE(vinst->rxwin[window->vas_win.cop]);  in set_vinst_win()
655 		vinst->rxwin[window->vas_win.cop] = window;  in set_vinst_win()
676 		WARN_ON_ONCE(!vinst->rxwin[window->vas_win.cop]);  in clear_vinst_win()
677 		vinst->rxwin[window->vas_win.cop] = NULL;  in clear_vinst_win()
686 static void init_winctx_for_rxwin(struct pnv_vas_window *rxwin,  in init_winctx_for_rxwin()  argument
707 	winctx->wcreds_max = rxwin->vas_win.wcreds_max;  in init_winctx_for_rxwin()
754 	if (rxwin->vinst->virq)  in init_winctx_for_rxwin()
755 		winctx->irq_port = rxwin->vinst->irq_port;  in init_winctx_for_rxwin()
856 	struct pnv_vas_window *rxwin;  in vas_rx_win_open()  local
872 	rxwin = vas_window_alloc(vinst);  in vas_rx_win_open()
873 	if (IS_ERR(rxwin)) {  in vas_rx_win_open()
875 		return (struct vas_window *)rxwin;  in vas_rx_win_open()
878 	rxwin->tx_win = false;  in vas_rx_win_open()
879 	rxwin->nx_win = rxattr->nx_win;  in vas_rx_win_open()
880 	rxwin->user_win = rxattr->user_win;  in vas_rx_win_open()
881 	rxwin->vas_win.cop = cop;  in vas_rx_win_open()
882 	rxwin->vas_win.wcreds_max = rxattr->wcreds_max;  in vas_rx_win_open()
884 	init_winctx_for_rxwin(rxwin, rxattr, &winctx);  in vas_rx_win_open()
885 	init_winctx_regs(rxwin, &winctx);  in vas_rx_win_open()
887 	set_vinst_win(vinst, rxwin);  in vas_rx_win_open()
889 	return &rxwin->vas_win;  in vas_rx_win_open()
934 	winctx->nx_win = txwin->rxwin->nx_win;  in init_winctx_for_txwin()
951 	winctx->rx_win_id = txwin->rxwin->vas_win.winid;  in init_winctx_for_txwin()
1000 	struct pnv_vas_window *rxwin;  in vas_tx_win_open()  local
1023 	rxwin = get_vinst_rxwin(vinst, cop, attr->pswid);  in vas_tx_win_open()
1024 	if (IS_ERR(rxwin)) {  in vas_tx_win_open()
1026 		return (struct vas_window *)rxwin;  in vas_tx_win_open()
1037 	txwin->rxwin = rxwin;  in vas_tx_win_open()
1038 	txwin->nx_win = txwin->rxwin->nx_win;  in vas_tx_win_open()
1085 	put_rx_win(rxwin);  in vas_tx_win_open()
1316 		put_rx_win(window->rxwin);  in vas_win_close()