i2o_exec_get_lct_message
struct i2o_exec_get_lct_message *msg;
msg = (struct i2o_exec_get_lct_message *)(sc->ibase + mfa);
bzero(msg, sizeof(struct i2o_exec_get_lct_message));
msg->message_size = sizeof(struct i2o_exec_get_lct_message) >> 2;