pci_find_dvsec_capability(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 pci_find_dvsec_capability(9) 🌸

okay so bestie, welcome to the Kernel API Manual — today's episode is pci_find_dvsec_capability(9) and honestly it's giving tiny-function-big-responsibility 💅 she's short, she's sweet, she finds a thing.

✨ NAME ✨

pci_find_dvsec_capability — Find DVSEC for vendor 🎀

🦋 SYNOPSIS 🦋

u16 pci_find_dvsec_capability (struct pci_dev *dev , u16 vendor , u16
dvsec );

💖 ARGUMENTS 💖

  • dev — the PCI device you're querying, like "hey girl what's in your config space" 🔍
  • vendor — the Vendor ID that this DVSEC has to match, no cap she's picky
  • dvsec — the Designated Vendor-specific capability ID 🏷️

🌈 DESCRIPTION 🌈

So here's the whole vibe: if the DVSEC has Vendor ID vendor and DVSEC ID dvsec, you get the capability offset in config space back. slay, we found it. Otherwise you get 0 — and like, that's it. That's the entire function. Short queen. 👑

🔥 SEE ALSO 🔥

Kernel file ./drivers/pci/pci.c — and bestie, she has a huge friend group, buckle up 🫶:

and that's the whole page bestie, tysm for reading 🧚💜 she lives in ./drivers/pci, dated October 2026, and you can find her under the name pci_find_dvsec_capability(9) in the Kernel API Manual. periodt. 💅✨

📦 where this page comes from