nvme_field_validate
extern nvme_field_error_t nvme_field_validate(const nvme_field_info_t *,
err = nvme_field_validate(field, &data, val, msg, sizeof (msg));
err = nvme_field_validate(field, test->nu_data, test->nu_value, buf,
err = nvme_field_validate(field, data, val, NULL, 0);