nvme_cmb_size(9)

📦 version 3.2, in arch rolling

💅 nvme_cmb_size(9) 💅

okay bestie, welcome to the libnvme API manual — yes this is a real manual page and yes it's about exactly one thing and it's gonna be quick, but we're gonna make it cute anyway 🎀

✨ NAME ✨

nvme_cmb_size — calculate size of the controller memory buffer, aka the glow-up math for your CMB 💖

✨ SYNOPSIS ✨

__u64 nvme_cmb_size (__u32 cmbsz );

like, that's it. one function. one argument. no cap 🫶

✨ ARGUMENTS ✨

  • cmbsz — the value straight out of the controller register NVME_REG_CMBSZ, no filter, no edits, we take it exactly as it is 💅 lowkey the whole function is just this one number getting the main character treatment 👑

✨ RETURN ✨

it returns the size of controller memory buffer in bytes 🔥 that's the whole vibe check, that's the answer, periodt ✨

ngl bestie, this one's a shortie — no environment variables, no exit statuses, no files to worry about, it's just you, your cmbsz, and the size in bytes 🌸

that's the whole page fr fr 🦋 — source and version vibes are nvme_cmb_size, dated October 2026, and the page itself is nvme_cmb_size(9) because we stay on brand 💜 mwah, go calculate some buffer sizes, ily 🌈⭐

📦 where this page comes from