__genwqe_enqueue_ddcb(9)

📦 version 7.3.1, in nixpkgs unstable

💅 __genwqe_enqueue_ddcb(9) 💅

okay so bestie, welcome to the kernel API manual for __genwqe_enqueue_ddcb — yes that's a lot of underscores, we don't ask questions, we just vibe ✨ this one is literally all about getting a DDCB onto the queue, and honestly? it's giving "small function, big responsibility" energy 👑

🌸 NAME 🌸

__genwqe_enqueue_ddcb — enqueue a DDCB 🎀

✨ SYNOPSIS ✨

int __genwqe_enqueue_ddcb (struct genwqe_dev *cd , struct ddcb_requ *req
, unsigned int f_flags );

like, that's the whole signature. write it down, screenshot it, tattoo it on your arm, whatever works for you 🫶

🦋 ARGUMENTS 🦋

  • cd — a pointer to the genwqe device descriptor, aka the thing that tells you which card we're even talking to 💳
  • req — a pointer to the DDCB execution request, the actual main character of this whole operation 🌟
  • f_flags — the file mode, and it's a two-flavor situation: blocking or non-blocking 😌 no cap, pick your fighter

🔥 RETURN 🔥

the numbers, bestie, here's the tea ☕:

  • 0 — enqueuing succeeded, we ate and left no crumbs 👑
  • -EIO — the card is unusable or there's PCIe problems, which is lowkey tragic 😭
  • -EBUSY — enqueuing failed, the queue said "not today" 💀

💜 SEE ALSO 💜

okay so here's the whole friend group, and yes they all showed up 🌈 the kernel file ./drivers/misc/genwqe/card_ddcb.c plus:

literally a whole squad, iykyk 🧚‍♀️

ngl bestie, read the return values before you ship anything — -EIO and -EBUSY are not decorative, they're telling you something 🙈

and that's the page! sourced straight from ./drivers/misc/genwqe, dated October 2026 🍓 mwah, go enqueue something iconic 💖💅

📦 where this page comes from