libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum tcg\_l0\_block\_sid\_states - Block SID Authentication states

# [SYNOPSIS](#SYNOPSIS)

enum tcg\_l0\_block\_sid\_states {  
**TCG\_L0\_BLOCK\_SID\_VALUE\_STATE** ,  
**TCG\_L0\_BLOCK\_SID\_BLOCKED\_STATE**

};

# [Constants](#Constants)

[TCG\_L0\_BLOCK\_SID\_VALUE\_STATE](#TCG_L0_BLOCK_SID_VALUE_STATE)

C\_PIN\_SID PIN differs from MSID

[TCG\_L0\_BLOCK\_SID\_BLOCKED\_STATE](#TCG_L0_BLOCK_SID_BLOCKED_STATE)

SID authentication is blocked

enum tcg\_l0\_block\_sid\_states October 2026

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Document: tcg_l0_block_sid_states-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli