libjedec_spd
nvlist_t *nvl = libjedec_spd(buf, st.st_size, &serr);
spd_nvl = libjedec_spd(dimm->td_spd, dimm->td_nspd, &spd_err);
extern nvlist_t *libjedec_spd(const uint8_t *, size_t, spd_error_t *);
nvl = libjedec_spd(data, dlen, &spd_err);
nvl = libjedec_spd(test->lst_data, test->lst_len, &err);