nvme_snprint_uint128
extern int nvme_snprint_uint128(char *, size_t, nvme_uint128_t, int, int);
ret = nvme_snprint_uint128(buf, buflen, u128, 0, 0);
ret = nvme_snprint_uint128(buf, buflen, u128, 0, 0);
(void) nvme_snprint_uint128(buf, sizeof (buf), value, scale_bits,
(void) nvme_snprint_uint128(buf, sizeof (buf), u128, 20, 0);
(void) nvme_snprint_uint128(buf, sizeof (buf), u128, 20, 0);