libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvmf\_ext\_attr - Extended Attribute (EXAT)

# [SYNOPSIS](#SYNOPSIS)

struct nvmf\_ext\_attr {  
**\_\_le16 exattype;**  
**\_\_le16 exatlen;**  
**\_\_u8 exatval\[];**  
};

# [Members](#Members)

[exattype](#exattype)

Extended Attribute Type (EXATTYPE) - see *enum* nvmf\_exattype

[exatlen](#exatlen)

Extended Attribute Length (EXATLEN)

[exatval](#exatval)

Extended Attribute Value (EXATVAL) - size allocated for array must be a multiple of 4 bytes

struct nvmf\_ext\_attr October 2026

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