pci_vpd_size(9)

✨ pci_vpd_size ✨

okay so bestie, welcome to pci_vpd_size(9) — it lives in the Kernel API Manual and it's literally the glow-up you need when you wanna know how big a device's Vital Product Data actually is 💅

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🎀 NAME 🎀

pci_vpd_size — determine actual size of Vital Product Data

like, the actual size. not the fake size. the real one. no cap 🔥

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🦋 SYNOPSIS 🦋

size_t pci_vpd_size (struct pci_dev *dev );

that's it. one function, one argument, returns a size_t. main character energy honestly 👑

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🌸 ARGUMENTS 🌸

• dev — pci device struct. yeah, the struct. the whole pci device struct. hand it over and let the function do its thing 💖

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🧚 SEE ALSO 🧚

• Kernel file ./drivers/pci/vpd.c — the source file where all the magic lives, go read it iykyk 📖
• pci_read_vpd(9) — the reading sibling 🫶
• pci_write_vpd(9) — and the writing one, they're a matched set fr fr ✨

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lowkey a tiny page but the vibes are immaculate — remember, dev is a struct pci_dev * and the return type is size_t, don't come for me if you forget 💀

and that's the whole page, bestie — slay! 🌈👑💖

huge shoutout to the source/version ./drivers/pci and the date October 2026 — mwah, iconic, periodt 🎀💜🌸