nvme_supfeat_log_t
#define SUPFEAT(f) { .nf_off = offsetof(nvme_supfeat_log_t, \
.nf_len = sizeof (((nvme_supfeat_log_t *)NULL)->nsl_feats[f]), \
.nlfi_min = sizeof (nvme_supfeat_log_t),
.nlpi_len = sizeof (nvme_supfeat_log_t)
CTASSERT(sizeof (nvme_supfeat_log_t) == 1024);