DOKK / manpages / debian 12 / libnvme-dev / nvme_lbaf.2.en
libnvme(2) API Manual libnvme(2)

struct nvme_lbaf - LBA Format Data Structure

struct nvme_lbaf {
__le16 ms;
__u8 ds;
__u8 rp;
};

Metadata Size indicates the number of metadata bytes provided per LBA based on the LBA Data Size indicated.
LBA Data Size indicates the LBA data size supported, reported as a power of two.
Relative Performance, see enum nvme_lbaf_rp.
struct nvme_lbaf January 2023