isst_if_get_pci_dev(9)

📦 version 7.3.1, in nixpkgs unstable

✨ isst_if_get_pci_dev(9) ✨

okay so bestie, welcome to the Kernel API Manual entry for isst_if_get_pci_dev 💅 this one's short and sweet and honestly kind of a baddie — it's the little helper that goes "hey, which PCI device is this CPU actually chilling on?" 🦋

🌸 NAME 🌸

isst_if_get_pci_dev — Get the PCI device instance for a CPU 👑

⭐ SYNOPSIS ⭐

struct pci_dev * isst_if_get_pci_dev (int cpu , int bus_no , int dev ,
       int fn );

literally that's the whole vibe: you hand it a CPU and some bus/dev/fn numbers, and it hands you back a struct pci_dev * 🫶

🎀 ARGUMENTS 🎀

  • cpu — the Logical CPU number, aka which CPU you're asking about 💻
  • bus_no — the bus number assigned by the hardware 🚌
  • dev — the device number assigned by the hardware 🔧
  • fn — the function number assigned by the hardware 🧚

🦋 DESCRIPTION 🦋

So here's the tea ☕ — using cached bus information, this function finds out the PCI device for a given bus number, device, and function. it's giving "look it up in the cache, no cap" 🔥 no re-scanning the bus, no drama, just vibes and a lookup ✨

💖 RETURN 💖

Returns a pci_dev pointer… or NULL 😭 (yeah, bestie, you gotta check it — NULL is always a possibility, fr fr).

👑 SEE ALSO 👑

Kernel file 📁:

./drivers/platform/x86/intel/speed_select_if/isst_if_common.c

and the whole friend group 💜:

ngl, that file path is a whole journey — ./drivers/platform/x86/intel/speed_select_if/isst_if_common.c — but that's where this icon lives 🏠💅

aaaand that's the page!! 🌈 sourced from ./drivers/platform/x86/intel/s... and dated October 2026 — so go forth, look up your PCI devices, and slay ✨🎀💖

📦 where this page comes from