libnvme(2)

💖 NAME 💖

ok so bestie, gather round — this is struct nvme_zns_id_ctrl, aka the I/O Command Set Specific Identify Controller Data Structure for the Zoned Namespace Command Set. yes the whole thing. it's a big name for a little struct and honestly? iconic behavior. no cap. 🎀

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✨ SYNOPSIS ✨

here's the vibe, literally verbatim, don't @ me:

struct nvme_zns_id_ctrl {
    __u8 zasl;
    __u8 rsvd1[4095];
 };

that's it. that's the whole struct. it's giving mostly padding and we respect it for that. 💅

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👑 Members 👑

• zasl — the Zone Append Size Limit. yeah she's the one (1) byte in this whole struct that's actually doing something. main character energy fr fr. 🌟
• rsvd1 — Reserved. that's 4095 bytes of "please look away". do not touch. do not write to it. it's reserved, babe, it has boundaries and we are NOT crossing them. 🙈🦋

lowkey important: rsvd1 is reserved, okay? like, reserved reserved. don't be out here stuffing your own data in there thinking nobody will notice, because somebody WILL notice and it will NOT slay. 💀

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🌈 a lil vibe check to wrap up

so yeah — one __u8 of actual data (zasl, the Zone Append Size Limit 💖), and 4095 bytes of reserved space (rsvd1) just chillin'. tiny struct, huge rsvd1, we love a queen who knows how to pad her resume. ✨

that's a wrap bestie, this was struct nvme_zns_id_ctrl from the libnvme API Manual, dated July 2026 🫶 go forth and Zone Append responsibly (within the limit, obviously — it's right there in the name 🎀).