libnvme(9)                        API Manual                        libnvme(9)

NAME
       struct nvme_associate_ns_data - Associate Namespace Data Structure

SYNOPSIS
       struct nvme_associate_ns_data {
           __u8 pad[32];
           __le32 ensid;
           __u8 ensnqn[256];
           __le32 unsid;
           __le16 uctrlid;
           __u8 unsnqn[256];
           __u8 rsvd554[22];
        };


Members
       pad         Padding (PAD), shall be cleared to 0h

       ensid       Exported Namespace ID (ENSID) to associate

       ensnqn      Exported NVM Subsystem NQN (ENSNQN). Ignored for a memory-
                   based controller, or if ESUBIDV is set.

       unsid       Underlying Namespace ID (UNSID) to associate with ensid

       uctrlid     Underlying Controller ID (UCTRLID). Ignored for a memory-
                   based controller.

       unsnqn      Underlying NVM Subsystem NQN (UNSNQN). Ignored for a
                   memory-based controller.

       rsvd554     Reserved

October 2026             struct nvme_associate_ns_data              libnvme(9)