pdc_receive(9)

📦 version 7.3.1, in nixpkgs unstable

🦋 pdc_receive — like, the whole kernel API manual moment 💅

okay so bestie, welcome to the pdc_receive(9) page from the Kernel API Manual ✨ pull up a chair, we're gonna talk about the rx ring and it's gonna be iconic, i promise 🎀

🌸 NAME 🌸

pdc_receive — process as many responses as are available in the rx ring 💖

like, as many as are available, no cap. she's not picky, she just takes what's there 🫶

✨ SYNOPSIS ✨

int pdc_receive (struct pdc_state *pdcs );

that's it. that's the whole vibe check. one arg, returns an int, slay 🔥

🧚 ARGUMENTS 🧚

  • pdcs — the PDC state 👑 that's the whole description, bestie, she's lowkey mysterious like that. just… the PDC state. iykyk 💜

💫 DESCRIPTION 💫

okay so this is the part where it gets real: pdc_receive is called within the hard IRQ 😭 hard IRQ context, fr fr — we are deep in interrupt territory, not your chill process-context little nap zone 💀

⚠️ bestie pls note: hard IRQ context means you do not get to be sleepy in here. that's the whole energy of this page. ok that's all it says, i'm not adding lore 🙈

🌈 SEE ALSO 🌈

the whole friend group 🫶 all these live in the kernel file ./drivers/mailbox/bcm-pdc-mailbox.c, and honestly they're all main character energy:

like. twenty-two besties. the way that list just goes 💅 go read them, they're all in ./drivers/mailbox/bcm-pdc-mailbox.c 🦋

and that's the page, bestie!! 🍓 mwah 💋 this one came straight outta ./drivers/mailbox, dated October 2026 — so you know it's fresh ✨ go forth and process those responses, periodt 👑

📦 where this page comes from