_base_wait_for_doorbell_ack(9)

📦 version 7.3.1, in nixpkgs unstable

💅 _base_wait_for_doorbell_ack(9) 💅

okay so this is a page from the Kernel API Manual, and bestie, it's a tiny one but it's important. We are literally waiting for the controller to read the doorbell. That's the whole vibe. 🛎️✨

🌸 NAME 🌸

_base_wait_for_doorbell_ack — waiting for controller to read the doorbell.

Like, you rang, and now you're standing there waiting for the controller to be like "yeah i heard you" 😭 no cap that's it.

🦋 SYNOPSIS 🦋

int _base_wait_for_doorbell_ack (struct MPT3SAS_ADAPTER *ioc , int
timeout );

literally just those two args. struct pointer and a timeout. iconic minimalism 💅

🎀 ARGUMENTS 🎀

  • ioc — per adapter object. the main character of the whole mpt3sas situation ngl.
  • timeout — timeout in second. yeah, singular "second" — that's how it's written, don't come for me 🙈.

💖 RETURN 💖

0 for success, non-zero for failure.

that's it. that's the return. zero means we slayed, anything else means we did not slay 😭

🌈 NOTES 🌈

MPI2_HIS_SYS2IOC_DB_STATUS — set to one when host writes to doorbell.

so this is the little status bit that flips to one when the host writes to the doorbell. it's giving "read receipt" energy fr fr 👑

⭐ SEE ALSO ⭐

the kernel file lives at ./drivers/scsi/mpt3sas/mpt3sas_base.c — go read it, it's right there bestie 🫶

and okay. buckle up. the crossover list is long and honestly kind of iconic. every single one of these is part of the same mpt3sas family:

like. that's the whole squad. the entire mpt3sas friend group showed up to the function's birthday party 🎂💜

lowkey a flex that such a tiny function has this many SEE ALSOs. the way that it's just one doorbell ack and yet the entire driver links back to it 😭 iykyk

and that's the page!! this lil kernel api manual entry came from ./drivers/scsi/mpt3sas, dated October 2026, and it's filed under the name _base_wait_for_doorbell_ack(9). periodt. 💅✨🎀

📦 where this page comes from