mei_cl_irq_dma_unmap(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… mei_cl_irq_dma_unmap β€” the Kernel API Manual, bestie edition

okay so quick vibe check: we're in the mei_cl_irq_dma_unmap(9) girlies today. it's a kernel API manual page, it lives in the mei corner of the kernel, and it's here to send a client dma unmap request β€” in irq_thread context, no cap. that context detail? iconic. do not forget it. 🫢


✨ NAME ✨

mei_cl_irq_dma_unmap β€” literally just sending a client dma unmap request from irq_thread context. that's the whole personality. 🌸


πŸ¦‹ SYNOPSIS πŸ¦‹

int mei_cl_irq_dma_unmap (struct mei_cl *cl , struct mei_cl_cb *cb ,
struct list_head *cmpl_list );

copy that exactly, bestie β€” every *, every comma-space, all of it. she's precise. πŸ’…


πŸŽ€ ARGUMENTS πŸŽ€

  • cl β€” the client. main character energy, obviously. πŸ‘‘
  • cb β€” the callback block.
  • cmpl_list β€” the complete list.

three args, all important, none of them skippable. slay. ✨


⭐ RETURN ⭐

0 on success β€” and an error otherwise. that's it, that's the report card. 🌈


πŸ’– SEE ALSO πŸ’–

okay this list is long and honestly? obsessed. it's all eating, no crumbs. first up, the kernel file:

./drivers/misc/mei/client.c

and now the whole squad, in exactly this order, don't reshuffle them:

that's literally the whole friend group. iykyk. 🧚


ngl bestie, if you're implementing around this: the request goes out in irq_thread context. that's the one detail the NAME section came here to scream at you. πŸ’€

and that's the page!! πŸ“ sign-off time: this gem is from ./drivers/misc/mei, dated October 2026 β€” yes, the future, she's ahead of her time πŸ’œ β€” and it's filed under the mei_cl_irq_dma_unmap(9) header. go be iconic with your unmap requests, bestie. πŸŽ€βœ¨

πŸ“¦ where this page comes from