---
name: "nvme_host_metadata-libnvme3"
section: "2"
platform: "linux"
package: "nvme-cli"
version: "3.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/nvme_host_metadata-libnvme3"
---

# nvme\_host\_metadata-libnvme3(2)

Host Metadata Data Structure

## NAME

struct nvme\_host\_metadata - Host Metadata Data Structure

## SYNOPSIS

struct nvme\_host\_metadata {\
     **\_\_u8 ndesc;**\
     **\_\_u8 rsvd1;**\
     **union {**\
       **struct nvme\_metadata\_element\_desc descs\[0\];**\
       **\_\_u8 descs\_buf\[4094\];**\
     **};**\
 };\

## Members

- ndesc

  Number of metadata element descriptors

- rsvd1

  Reserved

- {unnamed\_union}

  anonymous

- descs

  Metadata element descriptors

- descs\_buf

  Metadata element descriptor buffer