libnvme(9)

💖 libnvme(9) — the struct nvme_mi_vpd_mra glow-up 💖

okay so bestie, we're in the libnvme API manual and today's main character is struct nvme_mi_vpd_mra — the NVMe MultiRecord Area. yes it's a struct, yes it's giving "spreadsheet someone made at 3am", but she's important. let's get into it 🫶

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✨ NAME ✨

struct nvme_mi_vpd_mra — NVMe MultiRecord Area

like, that's her. that's the whole name. iconic, no notes 💅

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🎀 SYNOPSIS 🎀

here's the whole layout, copied exactly, because we do not mess with the source of truth:

struct nvme_mi_vpd_mra {
    __u8 nmravn;
    __u8 ff;
    __u8 rsvd7[6];
    __u8 i18vpwr;
    __u8 m18vpwr;
    __u8 i33vpwr;
    __u8 m33vpwr;
    __u8 rsvd17;
    __u8 m33vapsr;
    __u8 i5vapsr;
    __u8 m5vapsr;
    __u8 i12vapsr;
    __u8 m12vapsr;
    __u8 mtl;
    __u8 tnvmcap[16];
    __u8 rsvd37[27];
 };

the way it's all __u8… she's consistent, she's simple, she's a byte-coded queen 👑 and yeah, tnvmcap gets [16], rsvd7 gets [6], rsvd37 gets [27] — the reserved girlies carry the padding so the real fields can shine ✨

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🌸 Members 🌸

okay, deep breath, here's every single one of these cuties, in order, no skipping (i would never):

• nmravn — NVMe MultiRecord Area Version Number. the version check, the "which era is this vibe" field 🦋
• ff — Form Factor. literally just: what shape is the thing 🔥
• rsvd7 — Reserved. not for you, bestie, move along 🙈
• i18vpwr — Initial 1.8 V Power Supply Requirements. the first 1.8 V ask ⚡
• m18vpwr — Maximum 1.8 V Power Supply Requirements. the most 1.8 V it'll ever want ⚡
• i33vpwr — Initial 3.3 V Power Supply Requirements. starting 3.3 V energy 💜
• m33vpwr — Maximum 3.3 V Power Supply Requirements. peak 3.3 V energy 💜
• rsvd17 — Reserved. again. she's resting 🎀
• m33vapsr — Maximum 3.3 Vi aux Power Supply Requirements. yes, aux — side quest power 💅
• i5vapsr — Initial 5 V Power Supply Requirements. 5 V, first draft 🍓
• m5vapsr — Maximum 5 V Power Supply Requirements. 5 V, final form 🍓
• i12vapsr — Initial 12 V Power Supply Requirements. 12 V said hello first 🌈
• m12vapsr — Maximum 12 V Power Supply Requirements. 12 V at full send 🌈
• mtl — Maximum Thermal Load. how much heat she's bringing — drama, honestly 🔥
• tnvmcap — Total NVM Capacity. the big one. [16] bytes of pure "how much room do we have" 🎀
• rsvd37 — Reserved. twenty-seven bytes of pure silence. she's not talking 💀

note: the reserved fields are reserved — that's not me being cute, that's just the spec. don't go writing your fanfic into rsvd7, rsvd17, or rsvd37, bestie 🙈

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💫 a lil sign-off 💫

and that's the whole page!! this was struct nvme_mi_vpd_mra from the libnvme API Manual, dated October 2026 — go forth and read your VPD MultiRecord Areas with confidence, you absolute icon 🧚💖 slay responsibly ✨