libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvmf\_connect\_data - Data payload for the 'connect' command

# [SYNOPSIS](#SYNOPSIS)

struct nvmf\_connect\_data {  
**\_\_u8 hostid\[16];**  
**\_\_le16 cntlid;**  
**char rsvd4\[238];**  
**char subsysnqn\[NVME\_NQN\_LENGTH];**  
**char hostnqn\[NVME\_NQN\_LENGTH];**  
**char rsvd5\[256];**  
};

# [Members](#Members)

[hostid](#hostid)

Host ID of the connecting host

[cntlid](#cntlid)

Requested controller ID

[rsvd4](#rsvd4)

Reserved

[subsysnqn](#subsysnqn)

Subsystem NQN to connect to

[hostnqn](#hostnqn)

Host NQN of the connecting host

[rsvd5](#rsvd5)

Reserved

struct nvmf\_connect\_data October 2026

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Document: nvmf_connect_data-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli