libnvme(2)

✨ NAME ✨

okay so bestie, this is enum nvme_cmbswtp — aka the field that tells you the controller memory buffer sustained write throughput. yes it's a mouthful, no we don't make the rules 💅

This page lives in the libnvme manual, section 2 (iykyk), so if you ever need to cite it: that's the vibe.

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🦋 SYNOPSIS 🦋

enum nvme_cmbswtp {
    NVME_CMBSWTP_CMBSWTU_SHIFT ,
    NVME_CMBSWTP_CMBSWTV_SHIFT ,
    NVME_CMBSWTP_CMBSWTU_MASK ,
    NVME_CMBSWTP_CMBSWTV_MASK ,
    NVME_CMBSWTP_CMBSWTU_B ,
    NVME_CMBSWTP_CMBSWTU_1K ,
    NVME_CMBSWTP_CMBSWTU_1M ,
    NVME_CMBSWTP_CMBSWTU_1G

};

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💖 CONSTANTS 💖

the whole squad, one by one, no skips:

• NVME_CMBSWTP_CMBSWTU_SHIFT — the shift amount you need to pull out the CMB sustained write throughput units. shifting is the moment ✨
• NVME_CMBSWTP_CMBSWTV_SHIFT — the shift amount you need to pull out the CMB sustained write throughput value. same energy, different snack.
• NVME_CMBSWTP_CMBSWTU_MASK — the mask that grabs you the CMB sustained write throughput units. masking = the glamour of bitwise ops.
• NVME_CMBSWTP_CMBSWTU_MASK... no wait 😭 — NVME_CMBSWTP_CMBSWTV_MASK — the mask that grabs you the CMB sustained write throughput value itself. iconic, separate from the units one.
• NVME_CMBSWTP_CMBSWTU_B — Bytes/second granularity 🍓
• NVME_CMBSWTP_CMBSWTU_1K — 1 KiB/second granularity 🌸
• NVME_CMBSWTP_CMBSWTU_1M — 1 MiB/second granularity 🌈
• NVME_CMBSWTP_CMBSWTU_1G — 1 GiB/second granularity 👑

not me alphabetically listing them and lowkey double-checking the mask names three times 🙈 the units family is CMBSWTU, the value family is CMBSWTV — one letter apart, forever beefing.

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and that's the whole page, bestie 🫶 we ate. this was libnvme, manual section 2, documented back in July 2026 — go forth and decode your throughput units responsibly 💜