328 int iop_listen(uint iop_num, uint chan,  in iop_listen()  argument
333 	if (chan >= NUM_IOP_CHAN) return -EINVAL;  in iop_listen()
334 	if (iop_listeners[iop_num][chan].handler && handler) return -EINVAL;  in iop_listen()
335 	iop_listeners[iop_num][chan].devname = devname;  in iop_listen()
336 	iop_listeners[iop_num][chan].handler = handler;  in iop_listen()
349 	int chan = msg->channel;  in iop_complete_message()  local
363 		   IOP_ADDR_RECV_STATE + chan, IOP_MSG_COMPLETE);  in iop_complete_message()
394 static void iop_handle_send(uint iop_num, uint chan)  in iop_handle_send()  argument
401 	printk("iop_handle_send: iop %d channel %d\n", iop_num, chan);  in iop_handle_send()
404 	iop_writeb(iop, IOP_ADDR_SEND_STATE + chan, IOP_MSG_IDLE);  in iop_handle_send()
406 	if (!(msg = iop_send_queue[iop_num][chan])) return;  in iop_handle_send()
409 	offset = IOP_ADDR_SEND_MSG + (chan * IOP_MSG_LEN);  in iop_handle_send()
418 	iop_send_queue[iop_num][chan] = msg;  in iop_handle_send()
427 static void iop_handle_recv(uint iop_num, uint chan)  in iop_handle_recv()  argument
434 	printk("iop_handle_recv: iop %d channel %d\n", iop_num, chan);  in iop_handle_recv()
439 	msg->channel = chan;  in iop_handle_recv()
441 	msg->handler = iop_listeners[iop_num][chan].handler;  in iop_handle_recv()
443 	offset = IOP_ADDR_RECV_MSG + (chan * IOP_MSG_LEN);  in iop_handle_recv()
449 	iop_writeb(iop, IOP_ADDR_RECV_STATE + chan, IOP_MSG_RCVD);  in iop_handle_recv()
458 		printk("iop_handle_recv: unclaimed message on iop %d channel %d\n", iop_num, chan);  in iop_handle_recv()
477 int iop_send_message(uint iop_num, uint chan, void *privdata,  in iop_send_message()  argument
484 	if (chan >= NUM_IOP_CHAN) return -EINVAL;  in iop_send_message()
493 	msg->channel = chan;  in iop_send_message()
498 	if (!(q = iop_send_queue[iop_num][chan])) {  in iop_send_message()
499 		iop_send_queue[iop_num][chan] = msg;  in iop_send_message()
506 	    IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE) {  in iop_send_message()