nvme_cmb_size(2)

✨ nvme_cmb_size(2) ✨

okay bestie, so this is a page from the libnvme API manual, and it's literally only about one lil' function called nvme_cmb_size. no cap, it's small, but it's important. think of it as the vibe check for your controller memory buffer 💅

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🌸 NAME 🌸

nvme_cmb_size — calculate size of the controller memory buffer

🦋 SYNOPSIS 🦋

__u64 nvme_cmb_size (__u32 cmbsz );

💖 ARGUMENTS 💖

• cmbsz — this is the value you pulled out of the controller register NVME_REG_CMBSZ, bestie. like, you literally hand it over and it does the math. 🎀

👑 RETURN 👑

the size of the controller memory buffer, in bytes. that's it. that's the tea. ✨

fr fr, that's the whole page. short and iconic. periods. 👑

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and that's a wrap, gorgeous 🫶 this lil' slice of the libnvme API manual is dated July 2026, and yeah, the source name and the page name are both just nvme_cmb_size (nvme_cmb_size(2), if we're being fancy about it). go get that buffer size, main character 💜