i2o_exec_init_outqueue_message
struct i2o_exec_init_outqueue_message *msg;
msg = (struct i2o_exec_init_outqueue_message *)(sc->ibase + mfa);
bzero(msg, sizeof(struct i2o_exec_init_outqueue_message));
msg->message_size = sizeof(struct i2o_exec_init_outqueue_message) >> 2;