lpfc_mbox_get(9)

📦 version 7.3.1, in nixpkgs unstable

💖 lpfc_mbox_get — a Kernel API Manual moment 💖

okay so bestie, we're in the Kernel API Manual today and the star of the show is lpfc_mbox_get. Say hi 👋

✨ NAME ✨

lpfc_mbox_get — lowkey the function that removes a mailbox cmd from the head of the driver's mailbox queue. That's the whole vibe. It takes the front one off. Iconic behavior, honestly 🎀

🦋 SYNOPSIS 🦋

LPFC_MBOXQ_t * lpfc_mbox_get (struct lpfc_hba * phba );

🌸 ARGUMENTS 🌸

  • phba — pointer to lpfc hba data structure. that's it, that's the one thing you pass in 🫶

💅 DESCRIPTION 💅

So. The driver keeps an internal mailbox command queue, and it's implemented as a linked list. Very demure, very mindful. 🧚

When a mailbox command gets issued, it shall be put into the mailbox command queue — like, respectfully, it goes in the line — so that they get processed orderly, because the HBA can only process one mailbox command at a time. one at a time, no cutting, no shoving, we are a civilized queue 💀

Then, after the HBA finishes processing a mailbox command, the driver will remove a pending mailbox command from the head of the mailbox command queue and send it to the HBA for processing. That removal-from-the-head thing? That's literally this function. main character energy fr fr 👑

Return codes: pointer to the driver internal queue element for mailbox command. like, you get the actual element back. slay ✨

🔥 SEE ALSO 🔥

Kernel file ./drivers/scsi/lpfc/lpfc_mbox.c, plus the whole friend group — and yes, we're listing every single one because nobody gets left out 😤💜

and that's the whole page, bestie 💖✨ this one comes to you from ./drivers/scsi/lpfc, and it's dated October 2026 — so like, future vibes 🌈👑 go read the queue, drink some water, and remember: head of queue only, no skipping 🍓💅

📦 where this page comes from