pci_request_...cted_regions(9)

📦 version 7.3.1, in nixpkgs unstable

🎀 pci_request_...cted_regions(9) — Kernel API Manual 🎀

okay bestie, this is the pci_request_...cted_regions(9) page from the Kernel API Manual, and yes the title is doing its own little truncated thing. iykyk. lowkey iconic PCI resource-reservation business ahead. 💖

✨ NAME ✨

pci_request_selected_regions — Reserve selected PCI I/O and memory resources. no cap, that's the whole vibe: selected resources get reserved. 🎀

🦋 SYNOPSIS 🦋

int pci_request_selected_regions (struct pci_dev *pdev , int bars ,
       const char *name );

🌸 ARGUMENTS 🌸

  • pdev — PCI device whose resources are to be reserved. this is the main-character device you're doing all this for. 👑
  • bars — Bitmask of BARs to be requested. literally a bitmask, so please treat it with the respect a bitmask deserves. 🎀
  • name — Name of the driver requesting the resources. put your driver's name here so everyone knows who's asking. 💅

💜 RETURN 💜

0 on success, negative error code on failure. that's it: success is 0, failure is a negative error code. periodt. ✨

🔥 SEE ALSO 🔥

Kernel file: ./drivers/pci/pci.c

here's the full SEE ALSO roll call, every single one, no skips, fr fr:

and that's the page, bestie 💅 this one comes from ./drivers/pci, dated October 2026. mwah 💋

📦 where this page comes from