82 			      struct snd_seq_event *event,
85 					struct snd_seq_event *event,
438 		if (snd_seq_ev_is_variable(&cell->event)) {  in snd_seq_read()
440 			tmpev = cell->event;  in snd_seq_read()
448 			err = snd_seq_expand_var_event(&cell->event, count,  in snd_seq_read()
457 			if (copy_to_user(buf, &cell->event, sizeof(struct snd_seq_event))) {  in snd_seq_read()
495 static struct snd_seq_client *get_event_dest_client(struct snd_seq_event *event,  in get_event_dest_client()  argument
500 	dest = snd_seq_client_use_ptr(event->dest.client);  in get_event_dest_client()
506 	    ! test_bit(event->type, dest->event_filter))  in get_event_dest_client()
530 			      struct snd_seq_event *event,  in bounce_error_event()  argument
549 	bounce_ev.dest.port = event->source.port;  in bounce_error_event()
550 	bounce_ev.data.quote.origin = event->dest;  in bounce_error_event()
551 	bounce_ev.data.quote.event = event;  in bounce_error_event()
568 static int update_timestamp_of_queue(struct snd_seq_event *event,  in update_timestamp_of_queue()  argument
576 	event->queue = queue;  in update_timestamp_of_queue()
577 	event->flags &= ~SNDRV_SEQ_TIME_STAMP_MASK;  in update_timestamp_of_queue()
579 		event->time.time = snd_seq_timer_get_cur_time(q->timer);  in update_timestamp_of_queue()
580 		event->flags |= SNDRV_SEQ_TIME_STAMP_REAL;  in update_timestamp_of_queue()
582 		event->time.tick = snd_seq_timer_get_cur_tick(q->timer);  in update_timestamp_of_queue()
583 		event->flags |= SNDRV_SEQ_TIME_STAMP_TICK;  in update_timestamp_of_queue()
598 					struct snd_seq_event *event,  in snd_seq_deliver_single_event()  argument
606 	direct = snd_seq_ev_is_direct(event);  in snd_seq_deliver_single_event()
608 	dest = get_event_dest_client(event, filter);  in snd_seq_deliver_single_event()
611 	dest_port = snd_seq_port_use_ptr(dest, event->dest.port);  in snd_seq_deliver_single_event()
622 		update_timestamp_of_queue(event, dest_port->time_queue,  in snd_seq_deliver_single_event()
628 			result = snd_seq_fifo_event_in(dest->data.user.fifo, event);  in snd_seq_deliver_single_event()
634 		result = dest_port->event_input(event, direct,  in snd_seq_deliver_single_event()
649 		result = bounce_error_event(client, event, result, atomic, hop);  in snd_seq_deliver_single_event()
659 				  struct snd_seq_event *event,  in deliver_to_subscribers()  argument
668 	src_port = snd_seq_port_use_ptr(client, event->source.port);  in deliver_to_subscribers()
672 	event_saved = *event;  in deliver_to_subscribers()
684 		event->dest = subs->info.dest;  in deliver_to_subscribers()
687 			update_timestamp_of_queue(event, subs->info.queue,  in deliver_to_subscribers()
689 		err = snd_seq_deliver_single_event(client, event,  in deliver_to_subscribers()
699 		*event = event_saved;  in deliver_to_subscribers()
705 	*event = event_saved; /* restore */  in deliver_to_subscribers()
716 				struct snd_seq_event *event,  in port_broadcast_event()  argument
723 	dest_client = get_event_dest_client(event, SNDRV_SEQ_FILTER_BROADCAST);  in port_broadcast_event()
729 		event->dest.port = port->addr.port;  in port_broadcast_event()
731 		err = snd_seq_deliver_single_event(NULL, event,  in port_broadcast_event()
744 	event->dest.port = SNDRV_SEQ_ADDRESS_BROADCAST; /* restore */  in port_broadcast_event()
753 			   struct snd_seq_event *event, int atomic, int hop)  in broadcast_event()  argument
759 	addr = event->dest; /* save */  in broadcast_event()
765 		event->dest.client = dest;  in broadcast_event()
766 		event->dest.port = addr.port;  in broadcast_event()
768 			err = port_broadcast_event(client, event, atomic, hop);  in broadcast_event()
771 			err = snd_seq_deliver_single_event(NULL, event,  in broadcast_event()
782 	event->dest = addr; /* restore */  in broadcast_event()
788 static int multicast_event(struct snd_seq_client *client, struct snd_seq_event *event,  in multicast_event()  argument
805 static int snd_seq_deliver_event(struct snd_seq_client *client, struct snd_seq_event *event,  in snd_seq_deliver_event()  argument
813 			   event->source.client, event->source.port,  in snd_seq_deliver_event()
814 			   event->dest.client, event->dest.port);  in snd_seq_deliver_event()
818 	if (event->queue == SNDRV_SEQ_ADDRESS_SUBSCRIBERS ||  in snd_seq_deliver_event()
819 	    event->dest.client == SNDRV_SEQ_ADDRESS_SUBSCRIBERS)  in snd_seq_deliver_event()
820 		result = deliver_to_subscribers(client, event, atomic, hop);  in snd_seq_deliver_event()
822 	else if (event->queue == SNDRV_SEQ_ADDRESS_BROADCAST ||  in snd_seq_deliver_event()
823 		 event->dest.client == SNDRV_SEQ_ADDRESS_BROADCAST)  in snd_seq_deliver_event()
824 		result = broadcast_event(client, event, atomic, hop);  in snd_seq_deliver_event()
825 	else if (event->dest.client >= SNDRV_SEQ_MAX_CLIENTS)  in snd_seq_deliver_event()
826 		result = multicast_event(client, event, atomic, hop);  in snd_seq_deliver_event()
827 	else if (event->dest.port == SNDRV_SEQ_ADDRESS_BROADCAST)  in snd_seq_deliver_event()
828 		result = port_broadcast_event(client, event, atomic, hop);  in snd_seq_deliver_event()
831 		result = snd_seq_deliver_single_event(client, event, 0, atomic, hop);  in snd_seq_deliver_event()
854 	client = snd_seq_client_use_ptr(cell->event.source.client);  in snd_seq_dispatch_event()
860 	if (cell->event.type == SNDRV_SEQ_EVENT_NOTE) {  in snd_seq_dispatch_event()
868 		tmpev = cell->event;  in snd_seq_dispatch_event()
877 		ev = &cell->event;  in snd_seq_dispatch_event()
905 		result = snd_seq_deliver_event(client, &cell->event, atomic, hop);  in snd_seq_dispatch_event()
919 					struct snd_seq_event *event,  in snd_seq_client_enqueue_event()  argument
927 	if (event->queue == SNDRV_SEQ_ADDRESS_SUBSCRIBERS) {  in snd_seq_client_enqueue_event()
928 		event->dest.client = SNDRV_SEQ_ADDRESS_SUBSCRIBERS;  in snd_seq_client_enqueue_event()
929 		event->queue = SNDRV_SEQ_QUEUE_DIRECT;  in snd_seq_client_enqueue_event()
932 		if (event->queue == SNDRV_SEQ_ADDRESS_BROADCAST) {  in snd_seq_client_enqueue_event()
933 			event->dest.client = SNDRV_SEQ_ADDRESS_BROADCAST;  in snd_seq_client_enqueue_event()
934 			event->queue = SNDRV_SEQ_QUEUE_DIRECT;  in snd_seq_client_enqueue_event()
937 	if (event->dest.client == SNDRV_SEQ_ADDRESS_SUBSCRIBERS) {  in snd_seq_client_enqueue_event()
939 		struct snd_seq_client_port *src_port = snd_seq_port_use_ptr(client, event->source.port);  in snd_seq_client_enqueue_event()
946 	if (snd_seq_ev_is_direct(event)) {  in snd_seq_client_enqueue_event()
947 		if (event->type == SNDRV_SEQ_EVENT_NOTE)  in snd_seq_client_enqueue_event()
949 		return snd_seq_deliver_event(client, event, atomic, hop);  in snd_seq_client_enqueue_event()
953 	if (snd_seq_queue_is_used(event->queue, client->number) <= 0)  in snd_seq_client_enqueue_event()
959 	err = snd_seq_event_dup(client->pool, event, &cell, !blocking || atomic, file);  in snd_seq_client_enqueue_event()
1015 	struct snd_seq_event event;  in snd_seq_write()  local
1036 		len = sizeof(event);  in snd_seq_write()
1037 		if (copy_from_user(&event, buf, len)) {  in snd_seq_write()
1041 		event.source.client = client->number;	/* fill in client number */  in snd_seq_write()
1043 		if (check_event_type_and_length(&event)) {  in snd_seq_write()
1049 		if (event.type == SNDRV_SEQ_EVENT_NONE)  in snd_seq_write()
1051 		else if (snd_seq_ev_is_reserved(&event)) {  in snd_seq_write()
1056 		if (snd_seq_ev_is_variable(&event)) {  in snd_seq_write()
1057 			int extlen = event.data.ext.len & ~SNDRV_SEQ_EXT_MASK;  in snd_seq_write()
1064 			event.data.ext.len = extlen | SNDRV_SEQ_EXT_USRPTR;  in snd_seq_write()
1065 			event.data.ext.ptr = (char __force *)buf  in snd_seq_write()
1070 			if (client->convert32 && snd_seq_ev_is_varusr(&event)) {  in snd_seq_write()
1071 				void *ptr = (void __force *)compat_ptr(event.data.raw32.d[1]);  in snd_seq_write()
1072 				event.data.ext.ptr = ptr;  in snd_seq_write()
1078 		err = snd_seq_client_enqueue_event(client, &event, file,  in snd_seq_write()
1428 	struct snd_seq_event event;  in snd_seq_client_notify_subscription()  local
1430 	memset(&event, 0, sizeof(event));  in snd_seq_client_notify_subscription()
1431 	event.type = evtype;  in snd_seq_client_notify_subscription()
1432 	event.data.connect.dest = info->dest;  in snd_seq_client_notify_subscription()
1433 	event.data.connect.sender = info->sender;  in snd_seq_client_notify_subscription()
1435 	return snd_seq_system_notify(client, port, &event);  /* non-atomic */  in snd_seq_client_notify_subscription()