libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct tcg\_l0\_tper - TPer feature (0x0001)

# [SYNOPSIS](#SYNOPSIS)

struct tcg\_l0\_tper {  
**\_\_u8 features;**  
**\_\_u8 rsvd1\[11];**  
};

# [Members](#Members)

[features](#features)

Feature flags, see *enum tcg\_l0\_tper\_features*

[rsvd1](#rsvd1)

Reserved

# [Description](#Description)

TCG Opal SSC 2.02, section 3.1.1.2.

struct tcg\_l0\_tper October 2026

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Document: tcg_l0_tper-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli