mei_hbm_cl_dma_map_req(9)

📦 version 7.3.1, in nixpkgs unstable

💅 mei_hbm_cl_dma_map_req(9) — bestie's guide to the Kernel API Manual 🎀

okay so welcome to the group chat, this is the mei_hbm_cl_dma_map_req page from the Kernel API Manual and honestly? it's a short one but it's iconic. it does exactly one thing and it does it with main character energy. let's get into it ✨

🌸 NAME 🌸

mei_hbm_cl_dma_map_req — send client dma map request

that's it. that's the whole vibe. it sends a dma map request for a client, no cap 💅

✨ SYNOPSIS ✨

int mei_hbm_cl_dma_map_req (struct mei_device *dev , struct mei_cl *cl
);

like, it takes two things and gives you back an int. simple. elegant. we love her 🫶

🦋 ARGUMENTS 🦋

  • dev — the device structure. literally the device, bestie. can't do the thing without it.
  • cl — the mei host client. this is the client we're doing the dma map for, iykyk 💖

⭐ RETURN ⭐

  • 0 on success — slay, it worked 🌈
  • -EIO on write failure — okay so if the write fails you get this, and ngl that's a real one 😭

👑 SEE ALSO 👑

the reading list, fr fr — go study these besties:

Kernel file ./drivers/misc/mei/hbm.c

ok that's the whole page babes, go map some dma 💅✨

and that's a wrap on this lil manpage from ./drivers/misc/mei, dated October 2026 🎀 mwah, love u, bye 🫶🌸

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