46 	struct raw3270_view *view;	/* Active view. */  member
90  * Wait queue for device init/delete, view delete.
239 __raw3270_start(struct raw3270 *rp, struct raw3270_view *view,  in __raw3270_start()  argument
242 	rq->view = view;  in __raw3270_start()
243 	raw3270_get_view(view);  in __raw3270_start()
250 			raw3270_put_view(view);  in __raw3270_start()
259 raw3270_view_active(struct raw3270_view *view)  in raw3270_view_active()  argument
261 	struct raw3270 *rp = view->dev;  in raw3270_view_active()
263 	return rp && rp->view == view &&  in raw3270_view_active()
268 raw3270_start(struct raw3270_view *view, struct raw3270_request *rq)  in raw3270_start()  argument
274 	spin_lock_irqsave(get_ccwdev_lock(view->dev->cdev), flags);  in raw3270_start()
275 	rp = view->dev;  in raw3270_start()
276 	if (!rp || rp->view != view ||  in raw3270_start()
282 		rc =  __raw3270_start(rp, view, rq);  in raw3270_start()
283 	spin_unlock_irqrestore(get_ccwdev_lock(view->dev->cdev), flags);  in raw3270_start()
288 raw3270_start_locked(struct raw3270_view *view, struct raw3270_request *rq)  in raw3270_start_locked()  argument
293 	rp = view->dev;  in raw3270_start_locked()
294 	if (!rp || rp->view != view ||  in raw3270_start_locked()
300 		rc =  __raw3270_start(rp, view, rq);  in raw3270_start_locked()
305 raw3270_start_irq(struct raw3270_view *view, struct raw3270_request *rq)  in raw3270_start_irq()  argument
309 	rp = view->dev;  in raw3270_start_irq()
310 	rq->view = view;  in raw3270_start_irq()
311 	raw3270_get_view(view);  in raw3270_start_irq()
323 	struct raw3270_view *view;  in raw3270_irq()  local
330 	view = rq ? rq->view : rp->view;  in raw3270_irq()
347 		/* Call interrupt handler of the view */  in raw3270_irq()
348 		if (view)  in raw3270_irq()
349 			view->fn->intv(view, rq, irb);  in raw3270_irq()
362 		raw3270_put_view(view);  in raw3270_irq()
380 		raw3270_put_view(view);  in raw3270_irq()
510 	struct raw3270_view *view;  in raw3270_size_device_done()  local
512 	rp->view = NULL;  in raw3270_size_device_done()
515 	list_for_each_entry(view, &rp->view_list, list)  in raw3270_size_device_done()
516 		if (view->fn->resize)  in raw3270_size_device_done()
517 			view->fn->resize(view, rp->model, rp->rows, rp->cols);  in raw3270_size_device_done()
518 	/* Setup processing done, now activate a view */  in raw3270_size_device_done()
519 	list_for_each_entry(view, &rp->view_list, list) {  in raw3270_size_device_done()
520 		rp->view = view;  in raw3270_size_device_done()
521 		if (view->fn->activate(view) == 0)  in raw3270_size_device_done()
523 		rp->view = NULL;  in raw3270_size_device_done()
530 	struct raw3270 *rp = rq->view->dev;  in raw3270_read_modified_cb()
577 	struct raw3270 *rp = rq->view->dev;  in raw3270_reset_device_cb()
598 	if (rp->init_reset.view)  in __raw3270_reset_device()
626 raw3270_reset(struct raw3270_view *view)  in raw3270_reset()  argument
631 	rp = view->dev;  in raw3270_reset()
632 	if (!rp || rp->view != view ||  in raw3270_reset()
638 		rc = raw3270_reset_device(view->dev);  in raw3270_reset()
646 	struct raw3270_view *view;  in __raw3270_disconnect()  local
649 	rp->view = &rp->init_view;  in __raw3270_disconnect()
653 		view = rq->view;  in __raw3270_disconnect()
658 		raw3270_put_view(view);  in __raw3270_disconnect()
665 raw3270_init_irq(struct raw3270_view *view, struct raw3270_request *rq,  in raw3270_init_irq()  argument
680 		rp = view->dev;  in raw3270_init_irq()
719 	rp->view = &rp->init_view;  in raw3270_setup_device()
839  * Activate a view.
842 raw3270_activate_view(struct raw3270_view *view)  in raw3270_activate_view()  argument
849 	rp = view->dev;  in raw3270_activate_view()
853 	if (rp->view == view)  in raw3270_activate_view()
861 		if (rp->view && rp->view->fn->deactivate) {  in raw3270_activate_view()
862 			oldview = rp->view;  in raw3270_activate_view()
865 		rp->view = view;  in raw3270_activate_view()
866 		rc = view->fn->activate(view);  in raw3270_activate_view()
868 			/* Didn't work. Try to reactivate the old view. */  in raw3270_activate_view()
869 			rp->view = oldview;  in raw3270_activate_view()
871 				/* Didn't work as well. Try any other view. */  in raw3270_activate_view()
873 					if (nv != view && nv != oldview) {  in raw3270_activate_view()
874 						rp->view = nv;  in raw3270_activate_view()
877 						rp->view = NULL;  in raw3270_activate_view()
887  * Deactivate current view.
890 raw3270_deactivate_view(struct raw3270_view *view)  in raw3270_deactivate_view()  argument
895 	rp = view->dev;  in raw3270_deactivate_view()
899 	if (rp->view == view) {  in raw3270_deactivate_view()
900 		view->fn->deactivate(view);  in raw3270_deactivate_view()
901 		rp->view = NULL;  in raw3270_deactivate_view()
902 		/* Move deactivated view to end of list. */  in raw3270_deactivate_view()
903 		list_del_init(&view->list);  in raw3270_deactivate_view()
904 		list_add_tail(&view->list, &rp->view_list);  in raw3270_deactivate_view()
905 		/* Try to activate another view. */  in raw3270_deactivate_view()
908 			list_for_each_entry(view, &rp->view_list, list) {  in raw3270_deactivate_view()
909 				rp->view = view;  in raw3270_deactivate_view()
910 				if (view->fn->activate(view) == 0)  in raw3270_deactivate_view()
912 				rp->view = NULL;  in raw3270_deactivate_view()
920  * Add view to device with minor "minor".
923 raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor, int subclass)  in raw3270_add_view()  argument
937 		atomic_set(&view->ref_count, 2);  in raw3270_add_view()
938 		view->dev = rp;  in raw3270_add_view()
939 		view->fn = fn;  in raw3270_add_view()
940 		view->model = rp->model;  in raw3270_add_view()
941 		view->rows = rp->rows;  in raw3270_add_view()
942 		view->cols = rp->cols;  in raw3270_add_view()
943 		view->ascebc = rp->ascebc;  in raw3270_add_view()
944 		spin_lock_init(&view->lock);  in raw3270_add_view()
945 		lockdep_set_subclass(&view->lock, subclass);  in raw3270_add_view()
946 		list_add(&view->list, &rp->view_list);  in raw3270_add_view()
956  * Find specific view of device with minor "minor".
962 	struct raw3270_view *view, *tmp;  in raw3270_find_view()  local
966 	view = ERR_PTR(-ENODEV);  in raw3270_find_view()
974 				view = tmp;  in raw3270_find_view()
982 	return view;  in raw3270_find_view()
986  * Remove view from device and free view structure via call to view->fn->free.
989 raw3270_del_view(struct raw3270_view *view)  in raw3270_del_view()  argument
995 	rp = view->dev;  in raw3270_del_view()
997 	if (rp->view == view) {  in raw3270_del_view()
998 		view->fn->deactivate(view);  in raw3270_del_view()
999 		rp->view = NULL;  in raw3270_del_view()
1001 	list_del_init(&view->list);  in raw3270_del_view()
1002 	if (!rp->view && raw3270_state_ready(rp) &&  in raw3270_del_view()
1004 		/* Try to activate another view. */  in raw3270_del_view()
1007 				rp->view = nv;  in raw3270_del_view()
1014 	atomic_dec(&view->ref_count);  in raw3270_del_view()
1015 	wait_event(raw3270_wait_queue, atomic_read(&view->ref_count) == 0);  in raw3270_del_view()
1016 	if (view->fn->free)  in raw3270_del_view()
1017 		view->fn->free(view);  in raw3270_del_view()
1175 	/* Deactivate current view and remove all views. */  in raw3270_remove()
1177 	if (rp->view) {  in raw3270_remove()
1178 		if (rp->view->fn->deactivate)  in raw3270_remove()
1179 			rp->view->fn->deactivate(rp->view);  in raw3270_remove()
1180 		rp->view = NULL;  in raw3270_remove()
1221 	struct raw3270_view *view;  in raw3270_pm_stop()  local
1228 	if (rp->view && rp->view->fn->deactivate)  in raw3270_pm_stop()
1229 		rp->view->fn->deactivate(rp->view);  in raw3270_pm_stop()
1235 		list_for_each_entry(view, &rp->view_list, list) {  in raw3270_pm_stop()
1236 			if (view->fn->release)  in raw3270_pm_stop()
1237 				view->fn->release(view);  in raw3270_pm_stop()
1255 	if (rp->view && rp->view->fn->activate)  in raw3270_pm_start()
1256 		rp->view->fn->activate(rp->view);  in raw3270_pm_start()
1261 void raw3270_pm_unfreeze(struct raw3270_view *view)  in raw3270_pm_unfreeze()  argument
1266 	rp = view->dev;  in raw3270_pm_unfreeze()