mpt_send_handshake_cmd
error = mpt_send_handshake_cmd(mpt, sizeof f_req, &f_req);
error = mpt_send_handshake_cmd(mpt, sizeof f_req, &f_req);
if ((error = mpt_send_handshake_cmd(mpt, sizeof init, &init)) != 0) {
error = mpt_send_handshake_cmd(mpt, sizeof(fw_req_buf), &fw_req_buf);
int mpt_send_handshake_cmd(struct mpt_softc *mpt,
error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req);
error = mpt_send_handshake_cmd(mpt, sizeof(*req), req);