efsys_identifier_t
extern void sfxge_err(efsys_identifier_t *, unsigned int,
__in efsys_identifier_t *esip,
efsys_identifier_t *en_esip;
__in efsys_identifier_t *esip,
efsys_identifier_t *esip = enp->en_esip;
if ((error = efx_nic_create(sc->family, (efsys_identifier_t *)sc,
sfxge_err(efsys_identifier_t *arg, unsigned int code, uint32_t dword0,