libnvme(9)

💅 libnvme(9) — API Manual ✨

okay so bestie, welcome to the libnvme(9) glow-up 🫶 this one's all about...

🌸 NAME 🌸

struct nvme_zns_id_ns — the Zoned Namespace Command Set Specific Identify Namespace Data Structure. yes that's a mouthful, yes it's iconic, we move 💅

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✨ SYNOPSIS ✨

here's the whole vibe, no cap — every field exactly as it lives:

struct nvme_zns_id_ns {
    __le16 zoc;
    __le16 ozcs;
    __le32 mar;
    __le32 mor;
    __le32 rrl;
    __le32 frl;
    __le32 rrl1;
    __le32 rrl2;
    __le32 rrl3;
    __le32 frl1;
    __le32 frl2;
    __le32 frl3;
    __le32 numzrwa;
    __le16 zrwafg;
    __le16 zrwasz;
    __u8 zrwacap;
    __u8 rsvd53[2763];
    struct nvme_zns_lbafe   lbafe[64];
    __u8 vs[256];
 };

like, look at her. she's structured. she's aligned. she's main character 🎀

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🦋 Members 🦋

get comfy, we're going field by field, and honestly every single one ate:

• zoc — Zone Operation Characteristics 💖 see enum nvme_zns_id_ns_zoc for the deets, iykyk
• ozcs — Optional Zoned Command Support ✨ see enum nvme_zns_id_ns_ozcs
• mar — Maximum Active Resources 🔥 like, the cap on how much can be active at once
• mor — Maximum Open Resources 🌸 the cap on how many can be open, lowkey important
• rrl — Reset Recommended Limit 🌀
• frl — Finish Recommended Limit 🌈
• rrl1 — Reset Recommended Limit 1 🙈 yes there's a first one
• rrl2 — Reset Recommended Limit 2 💀 and a second
• rrl3 — Reset Recommended Limit 3 ⭐ and a third, she's thorough
• frl1 — Finish Recommended Limit 1 🍓
• frl2 — Finish Recommended Limit 2 🧚
• frl3 — Finish Recommended Limit 3 💜
• numzrwa — Number of ZRWA Resources 👑 the count, periodt
• zrwafg — ZRWA Flush Granularity 🦋 the granularity of the flush, slay
• zrwasz — ZRWA Size 🌟 the size, obvi
• zrwacap — ZRWA Capability 💅 see enum nvme_zns_id_ns_zrwacap — it's giving capability energy
• rsvd53 — Reserved 💀 not for you, bestie, hands off
• lbafe — LBA Format Extension 🔥 it's an array, lbafe[64], sixty-four of them, iconic
• vs — Vendor Specific ✨ vs[256], 256 bytes of "ask your vendor," ngl

fr fr: rsvd53 is Reserved — don't go poking at it, that's not your business 🫶

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and that's the whole page, diva. every field, every enum reference, every array size — nothing skipped, we don't do that here 💅✨

k bye bestie!! 🎀💖🦋

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this page was brought to you by the struct nvme_zns_id_ns girlies, from libnvme(9), dated October 2026 ⭐ mwah, see you in the next one 💜