pci_epc_get_msix(9)

📦 version 7.3.1, in nixpkgs unstable

💖 pci_epc_get_msix — Kernel API Manual 💖

okay so bestie, welcome to the pci_epc_get_msix(9) page ✨ this is a section 9 kernel API manual entry, and it's literally so straightforward you're gonna slay it. it's giving "one job, done well" 🎀

🌸 NAME 🌸

pci_epc_get_msix — get the number of MSI-X interrupt numbers allocated 💅

✨ SYNOPSIS ✨

int pci_epc_get_msix (struct pci_epc *epc , u8 func_no , u8 vfunc_no );

🦋 ARGUMENTS 🦋

  • epc — the EPC device to which MSI-X interrupts was requested 🫶 (yes, that's the EPC device you're asking about, the one the MSI-X interrupts got requested on)
  • func_no — the physical endpoint function number in the EPC device 🔢
  • vfunc_no — the virtual endpoint function number in the physical function 🌈

🧚 DESCRIPTION 🧚

Invoke this to get the number of MSI-X interrupts allocated by the RC. that's it, that's the whole vibe — you call it, it tells you how many MSI-X interrupts the RC went and allocated 🔥

👑 SEE ALSO 👑

Kernel file ./drivers/pci/endpoint/pci-epc-core.c — go read it, iykyk 📖

and the whole friend group of related functions, fr fr:

💀 reminder bestie: this page lives under ./drivers/pci/endpoint — that's your home base for all of these 🏠

and that's a wrap, periodt 🎀 this cutie is from the ./drivers/pci/endpoint corner of the kernel, dated October 2026, and it answers to the name pci_epc_get_msix(9) 💖 bye bestie, go count some interrupts 🦋✨

📦 where this page comes from