libnvme(9)

💖 NAME 💖

okay so bestie, welcome to the libnvme(9) page from the API Manual — and the main character today is:

enum nvme_lockdown_csel — Lockdown Command Dword 10 - Controller Select (CSEL)

That’s the whole vibe. It’s an enum, it’s iconic, and we’re listing every single constant, no skipping, periodt.

✨ SYNOPSIS ✨

enum nvme_lockdown_csel {
    NVME_LOCKDOWN_CSEL_NVM_SUBSYSTEM ,
    NVME_LOCKDOWN_CSEL_SPECIFIC_CTRL ,
    NVME_LOCKDOWN_CSEL_SECONDARY_CTRLS ,
    NVME_LOCKDOWN_CSEL_VENDOR_SPECIFIC

};

🎀 Constants 🎀

• NVME_LOCKDOWN_CSEL_NVM_SUBSYSTEM — NVM Subsystem: this command affects all controllers in the NVM subsystem. It’s giving “whole squad” energy, fr fr.
• NVME_LOCKDOWN_CSEL_SPECIFIC_CTRL — Specific Controller: this command affects the controller specified in the Controller Select Specific (CSS) field of Command Dword 14. One specific controller, no cap 💅.
• NVME_LOCKDOWN_CSEL_SECONDARY_CTRLS — Secondary Controllers for a Specific Primary Controller: this command affects all secondary controllers associated with the primary controller specified in the CSS field of Command Dword 14. The whole little secondary-controller friend group linked to that primary 🫶.
• NVME_LOCKDOWN_CSEL_VENDOR_SPECIFIC — Vendor Specific. iykyk, that’s the vendor’s lane.

October 2026 · enum nvme_lockdown_csel · libnvme(9) — bye bestie, go forth and select those controllers 💅🦋