pci_restore_pri_state(9)

💅 pci_restore_pri_state — the kernel API manual, bestie edition

okay so picture this: we're deep in the kernel API manual and the star of the show is pci_restore_pri_state, which does exactly one thing and does it iconically — it restores PRI. that's it. that's the whole vibe. 🎀

✨ SYNOPSIS ✨

void pci_restore_pri_state(struct pci_dev *pdev);

no cap, that's the whole signature. returns void, so like… it doesn't come back with receipts, it just does the thing. 🫶

🌸 ARGUMENTS 🌸

• pdev — the PCI device structure 💖. yes bestie, this is the one you're restoring PRI on. it's a struct pci_dev *, so hand it a pointer and let it cook.

🦋 SEE ALSO 🦋

so this little icon lives in the kernel file ./drivers/pci/ats.c — go look, i'll wait 🧚. and it has so many siblings, ok, a whole friend group of ATS/PRI/PASID functions, literally all of them:

• pci_ats_supported(9)
• pci_prepare_ats(9)
• pci_enable_ats(9)
• pci_disable_ats(9)
• pci_ats_queue_depth(9)
• pci_ats_page_aligned(9)
• pci_ats_required(9)
• pci_enable_pri(9)
• pci_disable_pri(9)
• pci_reset_pri(9)
• pci_prg_resp_pasid_required(9)
• pci_pri_supported(9)
• pci_enable_pasid(9)
• pci_disable_pasid(9)
• pci_restore_pasid_state(9)
• pci_pasid_features(9)
• pci_max_pasids(9)
• pci_pasid_status(9)

like, the whole ats.c squad is here and they all ate 💅🔥. go read them, iykyk.

lowkey reminder: this page gives you the synopsis, the argument and the see-also fam — nothing more, nothing invented. don't @ me with extra behaviour that isn't on the page 🙈.

and that's a wrap, bestie! 🌈 this gorgeous little page comes to you from ./drivers/pci, dated October 2026 — the pci_restore_pri_state(9) manual page, signed off with love and zero typos (hopefully 😭). now go restore that PRI, main character energy only 👑✨💖