mfi_pthru_payload_t
mfi_pthru_payload_t *ioc_pthru = &ioc->ioc_frame.mf_pthru;
mfi_pthru_payload_t *mfi_pthru = &mfi->mfi_frame->mf_pthru;
*sgloff = offsetof(mfi_pthru_payload_t, mp_sgl);
*senseoff = offsetof(mfi_pthru_payload_t, mp_sense_buf_phys_addr);
mfi_pthru_payload_t mf_pthru;