lpfc_sli_mbox_sys_shutdown(9)

📦 version 7.3.1, in nixpkgs unstable

💖 lpfc_sli_mbox_sys_shutdown(9) 💖

okay so bestie, this is a page from the Kernel API Manual and it's literally all about lpfc_sli_mbox_sys_shutdown — the function that shuts the mailbox command sub-system down. yes it's as dramatic as it sounds, and yes it ate.

✨ NAME ✨

lpfc_sli_mbox_sys_shutdown — shutdown mailbox command sub-system 🛑

🌸 SYNOPSIS 🌸

void lpfc_sli_mbox_sys_shutdown (struct lpfc_hba *phba , int mbx_action
);

🎀 ARGUMENTS 🎀

  • phba — pointer to the HBA context. that's the whole vibe, it's the driver's little world 🌈
  • mbx_action — the mailbox shutdown options. iykyk 💅

🦋 DESCRIPTION 🦋

so this function is the one you call when you want to shut down the driver's mailbox sub-system. periodt.

first thing it does? it marks the mailbox sub-system as being in a block state, so that the asynchronous mailbox command does not get issued off the pending mailbox command queue. like, we're closing the queue bestie, no more walk-ins 🚫

then it depends on why we're shutting down:

  • if the mailbox command sub-system shutdown is due to HBA error conditions such as EEH or ERATT, this routine shall invoke the mailbox sub-system flush routine to forcefully bring down the mailbox sub-system. yeah. it's giving emergency exit 😭
  • otherwise, if it's due to a normal condition (such as with offline or HBA function reset), this routine will wait for the outstanding mailbox command to complete before invoking the mailbox sub-system flush routine, so it gracefully brings down the mailbox sub-system. queen behavior, let it finish its sentence 🫶
ngl the difference matters: error path = forceful flush right away, normal path = wait for the outstanding command first, then flush. no skipping 💀

👑 SEE ALSO 👑

kernel file ./drivers/scsi/lpfc/lpfc_sli.c — and honestly bestie, the rest of this list is a whole mood, every single one of these is here:

and that's the whole page bestie, no cap ✨ this lil beauty lives in ./drivers/scsi/lpfc, it's dated October 2026, and its source/version line is literally lpfc_sli_mbox_sys_shutdown(9) — slay, go shut down a mailbox sub-system responsibly 💜🦋🎀

📦 where this page comes from