---
name: "tcg_l0_block_sid_auth-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_block_sid_auth-libnvme3"
---

# tcg\_l0\_block\_sid\_auth-libnvme3(2)

Block SID Authentication feature (0x0402)

## NAME

struct tcg\_l0\_block\_sid\_auth - Block SID Authentication feature (0x0402)

## SYNOPSIS

struct tcg\_l0\_block\_sid\_auth {\
     **\_\_u8 states;**\
     **\_\_u8 hw\_reset;**\
 };\

## Members

- states

  States, see *enum tcg\_l0\_block\_sid\_states*

- hw\_reset

  Hardware reset, see *enum tcg\_l0\_block\_sid\_hw\_reset*

## Description

TCG Storage Feature Set: Block SID Authentication, section 4.1.1.