libnvme(9)

💅 libnvme(9) — API Manual ✨

okay so bestie, we're diving into the libnvme API manual today and the main character of this page is enum nvme_id_ctrl_nvm_kpiocap — yes, that's a whole mouthful, we stan anyway 🫶

---

🌸 NAME 🌸

enum nvme_id_ctrl_nvm_kpiocap — literally the Key Per I/O Capabilities enum. that's it, that's the vibe ✨

---

🎀 SYNOPSIS 🎀

here's the whole thing, copied exactly, no cap:

enum nvme_id_ctrl_nvm_kpiocap {
    NVME_ID_CTRL_NVM_KPIOCAP_KPIOS_SHIFT ,
    NVME_ID_CTRL_NVM_KPIOCAP_KPIOS_MASK ,
    NVME_ID_CTRL_NVM_KPIOCAP_KPIOSC_SHIFT ,
    NVME_ID_CTRL_NVM_KPIOCAP_KPIOSC_MASK

};

like… four constants, zero drama 💀

---

⭐ Constants ⭐ (the iconic four)

• NVME_ID_CTRL_NVM_KPIOCAP_KPIOS_SHIFT — the shift amount you use to get Key Per I/O Supported (KPIOS) out of whatever you're digging through 🔍
• NVME_ID_CTRL_NVM_KPIOCAP_KPIOS_MASK — the mask for KPIOS, so you can isolate those bits like a boss 💅
• NVME_ID_CTRL_NVM_KPIOCAP_KPIOSC_SHIFT — the shift amount for Key Per I/O Scope (KPIOSC) — yes it's KPIOS with a C on the end, don't let the naming jump-scare you 😭
• NVME_ID_CTRL_NVM_KPIOCAP_KPIOSC_MASK — the mask for KPIOSC. masking queen 👑

lowkey the whole page is just shift amounts and masks. shift = move the bits, mask = keep the bits. that's the entire lore, iykyk 🧚

---

and that's the page, bestie — go forth and mask those keys per I/O 🌈💖

October 2026 · enum nvme_id_ctrl_nvm_kpiocap · libnvme(9) — mwah, that's the footer, see u next manpage 🎀⭐