---
name: "tcg_l0_sum-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_sum-libnvme3"
---

# tcg\_l0\_sum-libnvme3(2)

Single User Mode feature (0x0201)

## NAME

struct tcg\_l0\_sum - Single User Mode feature (0x0201)

## SYNOPSIS

struct tcg\_l0\_sum {\
     **\_\_be32 num\_locking\_objects;**\
     **\_\_u8 flags;**\
     **\_\_u8 rsvd5\[7\];**\
 };\

## Members

- num\_locking\_objects

  Number of locking objects supported

- flags

  Flags, see *enum tcg\_l0\_sum\_flags*

- rsvd5

  Reserved

## Description

TCG Opal SSC Feature Set: Single User Mode 1.00, section 4.2.1.