dma_cookie_init(9)

📦 version 7.3.1, in nixpkgs unstable

okay so bestie, welcome to the Kernel API Manual ✨ today we're talking about dma_cookie_init, and honestly? it's giving "tiny function, big responsibility." 🎀

🌸 NAME 🌸

dma_cookie_init — initialize the cookies for a DMA channel 💖

(yes, cookies. not the edible kind, sadly. 🍓 but no cap, they're just as important.)

✨ SYNOPSIS ✨

void dma_cookie_init (struct dma_chan *chan );

that's it. that's the whole vibe. void return, one arg, done. iconic 🫶

🦋 ARGUMENTS 🦋

  • chan — the dma channel you're initializing, bestie 💅 this is the one that gets its cookies set up. slay.

🔥 SEE ALSO 🔥

the whole friend group, fr fr — all these live in the kernel file ./drivers/dma/dmaengine.h:

like. literally the entire cookie-and-callback squad. go read them too, iykyk 👑

ngl, if you got here you're probably poking at the DMA engine internals — respect. main character energy. 🌈

kisses and cookies, bestie 💜🧚 — this page came to you from ./drivers/dma, dated October 2026, and it's the dma_cookie_init(9) manual page, periodt. 🎀💅⭐

📦 where this page comes from