iommu_get_dma_cookie(9)

📦 version 7.3.1, in nixpkgs unstable

okay so bestie, welcome to the glow-up of iommu_get_dma_cookie(9), straight outta the Kernel API Manual. this one's short and sweet — it's giving "small function, big responsibility" energy, and honestly? we're obsessed 💅

✨ NAME ✨

iommu_get_dma_cookie — grab the DMA-API resources for a domain, bestie 🎀

like, that's literally the whole job. acquire the DMA-API resources. for a domain. slay.

🌸 SYNOPSIS 🌸

int iommu_get_dma_cookie (struct iommu_domain *domain );

copy it exactly like that, no cap — yes, the spacing is a little quirky, she's iconic that way 🦋

💜 ARGUMENTS 💜

  • domain — the IOMMU domain you're prepping for DMA-API usage 🫶 that's the one and only thing you hand her.

🔥 SEE ALSO 🔥

so if you wanna go down the rabbit hole (and you should, iykyk), here's the whole friend group:

Kernel file ./drivers/iommu/dma-iommu.c, plus:

literally the whole squad 💀 go read them, they ate 👑

🌈 friendly reminder: get the cookie, and remember there's a iommu_put_dma_cookie(9) for when you're done — balance, bestie, it's giving main character energy 🧚

⭐ that's the whole page, babes ⭐ this lil masterpiece lives in ./drivers/iommu, dated October 2026 — stay hydrated, keep your cookies matched, and see you in the next manpage 💖✨🎀

📦 where this page comes from