pcie_get_mps(9)

📦 version 7.3.1, in nixpkgs unstable

💅 pcie_get_mps — get PCI Express maximum payload size

ok so real talk bestie, we're in the pcie_get_mps(9) page from the Kernel API Manual and it's short but it's iconic. Let's go ✨

🌸 NAME 🌸

pcie_get_mps — get PCI Express maximum payload size

Like, it literally gets the MPS. That's the whole job. She's focused, she's employed, she's booked and busy 🎀

✨ SYNOPSIS ✨

int pcie_get_mps (struct pci_dev *dev );

That's it. One call, one arg, no drama 💅

🦋 ARGUMENTS 🦋

  • dev — the PCI device to query. bestie you hand her the device you're curious about and she does the rest 🫶

💖 DESCRIPTION 💖

Returns maximum payload size in bytes.

that's the whole description, no cap. she returns the MPS in bytes, you get your number, you move on with your life 🌈 short king behaviour and we respect it

👑 SEE ALSO 👑

Okay so the kernel file we're living in is ./drivers/pci/pci.c — like, that's the home address 🏡 and honestly this function has the biggest friend group in the entire PCI directory, it's giving main character energy. Here's every single one of them, in order, zero skips, no leaving anyone out 💀:

like… she knows everyone at the PCI party and honestly? queen behaviour 👑✨ iykyk

friendly reminder bestie: pcie_get_mps has a sibling, pcie_set_mps(9) — she's right there in the list, go say hi 🥰

🧚 sign-off 🧚

this lil page lives in ./drivers/pci and it's dated October 2026 — so she's from the future, she's timeless, she's that girl 💜

bye bestie, go read pcie_get_mps's docs responsibly and hydrate 🌸🍓

📦 where this page comes from