libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_metadata\_element\_desc - Metadata Element Descriptor

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_metadata\_element\_desc {  
**\_\_u8 type;**  
**\_\_u8 rev;**  
**\_\_le16 len;**  
**\_\_u8 val\[0];**  
};

# [Members](#Members)

[type](#type)

Element Type (ET)

[rev](#rev)

Element Revision (ER)

[len](#len)

Element Length (ELEN)

[val](#val)

Element Value (EVAL), UTF-8 string

struct nvme\_metadata\_element\_desc October 2026

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