mei_hbm_start_wait(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… mei_hbm_start_wait(9) β€” like, the actual manual page bestie

okay so real talk, this one lives in the Kernel API Manual and it's genuinely one of the cuter little helpers in the MEI corner of the kernel. let's get into it πŸŽ€


✨ NAME ✨

mei_hbm_start_wait β€” wait for start response message. that's it, that's the whole vibe. you call it, it waits, the start response shows up eventually. iconic behavior honestly πŸ’–


🌸 SYNOPSIS 🌸

int mei_hbm_start_wait (struct mei_device *dev );

yes bestie that's the whole signature, she's compact and she knows it ✨


πŸ¦‹ ARGUMENTS πŸ¦‹

  • dev β€” the device structure 🫢 like, the actual struct mei_device * you're working with. she's the main character here, everything happens through her.

⭐ RETURN ⭐

  • 0 on success πŸŽ‰ slay, everything went great
  • < 0 on failure 😭 bestie something went wrong, and per the original it's just "less than zero" β€” no further detail given, so don't @ me
ngl, the < 0 is doing a lot of heavy lifting here. just check it, fr fr.

πŸ‘‘ SEE ALSO πŸ‘‘

first off, the kernel file this lives in: ./drivers/misc/mei/hbm.c β€” that's the home base, go look if you're curious πŸ’œ

and now the full squad, because there are so many of them and every single one matters:

like… that's a whole group chat right there 😭 every single one linked, no cap. go read them, iykyk πŸ’…


and that's the page!! written from ./drivers/misc/mei, dated October 2026 β€” catch you on the next one bestie πŸŒˆβœ¨πŸ’–

πŸ“¦ where this page comes from