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

struct nvme_nvmset_attr - NVM Set Attributes Entry

struct nvme_nvmset_attr {
__le16 nvmsetid;
__le16 endgid;
__u8 rsvd4[4];
__le32 rr4kt;
__le32 ows;
__u8 tnvmsetcap[16];
__u8 unvmsetcap[16];
__u8 rsvd48[80];
};

NVM Set Identifier
Endurance Group Identifier
Reserved
Random 4 KiB Read Typical indicates the typical time to complete a 4 KiB random read in 100 nanosecond units when the NVM Set is in a Predictable Latency Mode Deterministic Window and there is 1 outstanding command per NVM Set.
Optimal Write Size
Total NVM Set Capacity
Unallocated NVM Set Capacity
Reserved
struct nvme_nvmset_attr January 2023