libnvme(9)

💖 NAME

Okay bestie, meet struct tcg_l0_opal_v2 — the Opal SSC V2.00 feature with ID 0x0203. This lil’ page comes straight from the libnvme API Manual, aka libnvme(9), and it’s giving “tiny struct, very specific lore” energy. 🫶

✨ SYNOPSIS ✨

       struct tcg_l0_opal_v2 {
           __be16 base_comid;
           __be16 num_comids;
           __u8 flags;
           __be16 num_locking_sp_admin_auth;
           __be16 num_locking_sp_user_auth;
           __u8 initial_cpin_sid_ind;
           __u8 initial_cpin_sid_revert;
           __u8 rsvd11[5];
        };

🧚 Members

• base_comid — Base ComID
• num_comids — Number of ComIDs
• flags — Flags, see enum tcg_l0_opal_v2_flags
• num_locking_sp_admin_auth — Number of Locking SP Admin authorities
• num_locking_sp_user_auth — Number of Locking SP User authorities
• initial_cpin_sid_ind — Initial C_PIN_SID PIN indicator
• initial_cpin_sid_revert — Behavior of C_PIN_SID PIN upon TPer revert
• rsvd11 — Reserved

🌸 Description

This struct is defined by TCG Opal SSC 2.02, section 3.1.1.5. That’s the whole tea — go check that section for the full vibe. 🍓

✨ Sign-off time, bestie: this page is dated October 2026, it lives under struct tcg_l0_opal_v2, and it belongs to libnvme(9). periodt 💅🫶