59 struct snd_seq_client_port *snd_seq_port_use_ptr(struct snd_seq_client *client,  in snd_seq_port_use_ptr()  argument
64 	if (client == NULL)  in snd_seq_port_use_ptr()
66 	read_lock(&client->ports_lock);  in snd_seq_port_use_ptr()
67 	list_for_each_entry(port, &client->ports_list_head, list) {  in snd_seq_port_use_ptr()
72 			read_unlock(&client->ports_lock);  in snd_seq_port_use_ptr()
76 	read_unlock(&client->ports_lock);  in snd_seq_port_use_ptr()
82 struct snd_seq_client_port *snd_seq_port_query_nearest(struct snd_seq_client *client,  in snd_seq_port_query_nearest()  argument
90 	read_lock(&client->ports_lock);  in snd_seq_port_query_nearest()
91 	list_for_each_entry(port, &client->ports_list_head, list) {  in snd_seq_port_query_nearest()
107 	read_unlock(&client->ports_lock);  in snd_seq_port_query_nearest()
128 struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,  in snd_seq_create_port()  argument
136 	if (snd_BUG_ON(!client))  in snd_seq_create_port()
139 	if (client->num_ports >= SNDRV_SEQ_MAX_PORTS - 1) {  in snd_seq_create_port()
140 		snd_printk(KERN_WARNING "too many ports for client %d\n", client->number);  in snd_seq_create_port()
151 	new_port->addr.client = client->number;  in snd_seq_create_port()
161 	mutex_lock(&client->ports_mutex);  in snd_seq_create_port()
162 	write_lock_irqsave(&client->ports_lock, flags);  in snd_seq_create_port()
163 	list_for_each_entry(p, &client->ports_list_head, list) {  in snd_seq_create_port()
171 	client->num_ports++;  in snd_seq_create_port()
174 	write_unlock_irqrestore(&client->ports_lock, flags);  in snd_seq_create_port()
175 	mutex_unlock(&client->ports_mutex);  in snd_seq_create_port()
185 static int subscribe_port(struct snd_seq_client *client,
189 static int unsubscribe_port(struct snd_seq_client *client,
199 	*cp = snd_seq_client_use_ptr(addr->client);  in get_client_port()
215 static void clear_subscriber_list(struct snd_seq_client *client,  in clear_subscriber_list()  argument
235 		unsubscribe_port(client, port, grp, &subs->info, 0);  in clear_subscriber_list()
262 static int port_delete(struct snd_seq_client *client,  in port_delete()  argument
270 	clear_subscriber_list(client, port, &port->c_src, SRC_LIST);  in port_delete()
271 	clear_subscriber_list(client, port, &port->c_dest, DEST_LIST);  in port_delete()
285 int snd_seq_delete_port(struct snd_seq_client *client, int port)  in snd_seq_delete_port()  argument
290 	mutex_lock(&client->ports_mutex);  in snd_seq_delete_port()
291 	write_lock_irqsave(&client->ports_lock, flags);  in snd_seq_delete_port()
292 	list_for_each_entry(p, &client->ports_list_head, list) {  in snd_seq_delete_port()
296 			client->num_ports--;  in snd_seq_delete_port()
301 	write_unlock_irqrestore(&client->ports_lock, flags);  in snd_seq_delete_port()
302 	mutex_unlock(&client->ports_mutex);  in snd_seq_delete_port()
304 		return port_delete(client, found);  in snd_seq_delete_port()
310 int snd_seq_delete_all_ports(struct snd_seq_client *client)  in snd_seq_delete_all_ports()  argument
319 	mutex_lock(&client->ports_mutex);  in snd_seq_delete_all_ports()
320 	write_lock_irqsave(&client->ports_lock, flags);  in snd_seq_delete_all_ports()
321 	if (! list_empty(&client->ports_list_head)) {  in snd_seq_delete_all_ports()
322 		list_add(&deleted_list, &client->ports_list_head);  in snd_seq_delete_all_ports()
323 		list_del_init(&client->ports_list_head);  in snd_seq_delete_all_ports()
327 	client->num_ports = 0;  in snd_seq_delete_all_ports()
328 	write_unlock_irqrestore(&client->ports_lock, flags);  in snd_seq_delete_all_ports()
333 		snd_seq_system_client_ev_port_exit(port->addr.client, port->addr.port);  in snd_seq_delete_all_ports()
334 		port_delete(client, port);  in snd_seq_delete_all_ports()
336 	mutex_unlock(&client->ports_mutex);  in snd_seq_delete_all_ports()
422 static int subscribe_port(struct snd_seq_client *client,  in subscribe_port()  argument
440 	if (err >= 0 && send_ack && client->type == USER_CLIENT)  in subscribe_port()
441 		snd_seq_client_notify_subscription(port->addr.client, port->addr.port,  in subscribe_port()
447 static int unsubscribe_port(struct snd_seq_client *client,  in unsubscribe_port()  argument
460 	if (send_ack && client->type == USER_CLIENT)  in unsubscribe_port()
461 		snd_seq_client_notify_subscription(port->addr.client, port->addr.port,  in unsubscribe_port()
472 	return (r->client == s->client) && (r->port == s->port);  in addr_match()
636 int snd_seq_event_port_attach(int client,  in snd_seq_event_port_attach()  argument
646 	portinfo.addr.client = client;  in snd_seq_event_port_attach()
657 	ret = snd_seq_kernel_client_ctl(client,  in snd_seq_event_port_attach()
673 int snd_seq_event_port_detach(int client, int port)  in snd_seq_event_port_detach()  argument
679 	portinfo.addr.client = client;  in snd_seq_event_port_detach()
681 	err = snd_seq_kernel_client_ctl(client,  in snd_seq_event_port_detach()