sfxge_nvram_ioc_t
ioclen = sizeof (sfxge_nvram_ioc_t);
sfxge_nvram_ioc_t *snip =
(sfxge_nvram_ioc_t *)mp->b_cont->b_rptr;
extern int sfxge_nvram_ioctl(sfxge_t *, sfxge_nvram_ioc_t *);
sfxge_nvram_ioctl(sfxge_t *sp, sfxge_nvram_ioc_t *snip)
sfxge_nvram_rw(sfxge_t *sp, sfxge_nvram_ioc_t *snip, efx_nvram_type_t type,
sfxge_nvram_erase(sfxge_t *sp, sfxge_nvram_ioc_t *snip, efx_nvram_type_t type)