libnvme(9) API Manual libnvme(9)

struct nvme_registrant - Registrant Data Structure

struct nvme_registrant {
__le16 cntlid;
__u8 rcsts;
__u8 rsvd3[5];
__le64 hostid;
__le64 rkey;
};

Controller ID
Reservation Status
Reserved
Host Identifier
Reservation Key
struct nvme_registrant October 2026