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

enum nvme_lbaf_rp - This field indicates the relative performance of the LBA format indicated relative to other LBA formats supported by the controller.

enum nvme_lbaf_rp {
NVME_LBAF_RP_BEST ,
NVME_LBAF_RP_BETTER ,
NVME_LBAF_RP_GOOD ,
NVME_LBAF_RP_DEGRADED ,
NVME_LBAF_RP_MASK

};

Best performance
Better performance
Good performance
Degraded performance
Mask to get the relative performance value from the field
enum nvme_lbaf_rp January 2023