---
name: "tcg_l0_desc-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/tcg_l0_desc-libnvme3"
---

# tcg\_l0\_desc-libnvme3(2)

Level 0 Discovery feature descriptor header

## NAME

struct tcg\_l0\_desc - Level 0 Discovery feature descriptor header

## SYNOPSIS

struct tcg\_l0\_desc {\
     **\_\_be16 code;**\
     **\_\_u8 version;**\
     **\_\_u8 length;**\
 };\

## Members

- code

  Feature code, see *enum tcg\_l0\_code*

- version

  Feature descriptor version

- length

  Length of the feature data following this header

## Description

TCG Opal SSC 2.02, section 3.1.1.3.