libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum tcg\_l0\_sum\_flags - Single User Mode feature flags

# [SYNOPSIS](#SYNOPSIS)

enum tcg\_l0\_sum\_flags {  
**TCG\_L0\_SUM\_ANY** ,  
**TCG\_L0\_SUM\_ALL** ,  
**TCG\_L0\_SUM\_POLICY**

};

# [Constants](#Constants)

[TCG\_L0\_SUM\_ANY](#TCG_L0_SUM_ANY)

Any locking object is in single user mode

[TCG\_L0\_SUM\_ALL](#TCG_L0_SUM_ALL)

All locking objects are in single user mode

[TCG\_L0\_SUM\_POLICY](#TCG_L0_SUM_POLICY)

Administrator controls the locking ranges

enum tcg\_l0\_sum\_flags October 2026

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Document: tcg_l0_sum_flags-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli