libnvme(9)

💅 libnvme(9) — like, the actual API manual, bestie 💅

okay so this is a page straight out of the API Manual for libnvme, section 9, and it's honestly such a tiny little icon. we're talking about one enum. one. and yet?? it's carrying the whole interval power measurement situation on its back. no cap, let's get into it 🫶

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✨ NAME ✨

enum nvme_id_ctrl_ipmsr — Interval Power Measurement Sample Rate

that's it. that's the whole name. short, sweet, and lowkey mysterious until you read the next bit 🌸

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🦋 SYNOPSIS 🦋

here's the whole struct, verbatim, don't @ me:

enum nvme_id_ctrl_ipmsr {
    NVME_CTRL_IPMSR_SRS_SHIFT ,
    NVME_CTRL_IPMSR_SRV_SHIFT ,
    NVME_CTRL_IPMSR_SRS_MASK

};

wait, no, hold up — let me give you the full one, all four constants, exactly as written, no skipping, we don't do that here 💖

enum nvme_id_ctrl_ipmsr {
    NVME_CTRL_IPMSR_SRS_SHIFT ,
    NVME_CTRL_IPMSR_SRV_SHIFT ,
    NVME_CTRL_IPMSR_SRS_MASK ,
    NVME_CTRL_IPMSR_SRV_MASK

};

see? four. living their best lives. ✨

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🎀 Constants 🎀

okay so each of these is a little key that helps you pull one specific number out of the struct nvme_id_ctrl.ipmsr field. that field is the main character, these constants are its entourage. let's meet them 👑

• NVME_CTRL_IPMSR_SRS_SHIFT — the shift amount you use to get the Sample Rate Scale out of the struct nvme_id_ctrl.ipmsr field. it's giving "move the bits over, bestie" energy 💫
• NVME_CTRL_IPMSR_SRV_SHIFT — the shift amount you use to get the Sample Rate Value out of the struct nvme_id_ctrl.ipmsr field. same vibe, different number. iconic 🔥
• NVME_CTRL_IPMSR_SRS_MASK — the mask you use to get the Sample Rate Scale out of the struct nvme_id_ctrl.ipmsr field. put it on, filter out the noise, slay 💅
• NVME_CTRL_IPMSR_SRV_MASK — the mask you use to get the Sample Rate Value out of the struct nvme_id_ctrl.ipmsr field. mask on, value out. periodt 🧚

real talk though: shift for the sliding, mask for the grabbing. two different jobs, both obsessed with the same ipmsr field. don't mix 'em up 🙈

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and that's the whole page!! tiny but mighty, fr fr. this little enum came to you from the API Manual, libnvme(9), dated October 2026 — so like, remember it fondly, and remember that enum nvme_id_ctrl_ipmsr was out here doing interval power measurement sample rate things while the rest of us were just vibing. mwah 💜🎀✨