sli4_regname_e
sli_reg_read(sli4_t *sli, sli4_regname_e reg)
sli_reg_write(sli4_t *sli, sli4_regname_e reg, uint32_t val)
extern uint32_t sli_reg_read(sli4_t *, sli4_regname_e);
extern void sli_reg_write(sli4_t *, sli4_regname_e, uint32_t);