libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_exported\_nvm\_subsys\_descriptor - Exported NVM Subsystem Descriptor

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_exported\_nvm\_subsys\_descriptor {  
**\_\_u8 esubnqn\[256];**  
**\_\_u8 rsvd256\[2];**  
**\_\_le16 esubid;**  
};

# [Members](#Members)

[esubnqn](#esubnqn)

Exported NVM Subsystem NQN (ESUBNQN)

[rsvd256](#rsvd256)

Reserved

[esubid](#esubid)

Exported NVM Subsystem Identifier (ESUBID)

struct nvme\_exported\_nvm\_subsys\_descriptor October 2026

---

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