libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nbft\_host - Host Descriptor (Figure 10)

# [SYNOPSIS](#SYNOPSIS)

struct nbft\_host {  
**\_\_u8 structure\_id;**  
**\_\_u8 flags;**  
**\_\_u8 host\_id\[16];**  
**struct nbft\_heap\_obj host\_nqn\_obj;**  
**\_\_u8 reserved\[8];**  
};

# [Members](#Members)

[structure\_id](#structure_id)

Structure ID: This field shall be set to 2h (i.e., Host Descriptor; #NBFT\_DESC\_HOST).

[flags](#flags)

Host Flags, see *enum nbft\_host\_flags*.

[host\_id](#host_id)

Host ID: This field shall be set to the Host Identifier. This field shall not be empty if the NBFT and NVMe Boot are supported by the Platform.

[host\_nqn\_obj](#host_nqn_obj)

Host NQN Heap Object Reference: this field indicates a heap object containing a Host NQN. This object shall not be empty if the NBFT and NVMe Boot are supported by the Platform.

[reserved](#reserved)

Reserved.

struct nbft\_host October 2026

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