lpfc_sli4_write_cq_db(9)

📦 version 7.3.1, in nixpkgs unstable

💅 lpfc_sli4_write_cq_db — from the Kernel API Manual ✨

okay so bestie, welcome to the Kernel API Manual, and today's main character is lpfc_sli4_write_cq_db(9) 🎀 no cap, this one is short but she MATTERS.

✨ NAME ✨

lpfc_sli4_write_cq_db — write cq DB for entries consumed or arm state. 💫

🦋 SYNOPSIS 🦋

void lpfc_sli4_write_cq_db (struct lpfc_hba *phba , struct lpfc_queue *q
, uint32_t count , bool arm );

like, that's the whole signature, she's not complicated 💖

🌸 ARGUMENTS 🌸

  • phba — the adapter with the CQ. that's your hardware babe, she's holding the queue 🫶
  • q — The Completion Queue that the host has completed processing for. yes queen, you got through all of these already 👑
  • count — the number of elements that were consumed. literally just how many you ate 💅
  • arm — Indicates whether the host wants to arms this CQ. so, like, do you want to re-arm it or not, your call bestie ⭐

💜 DESCRIPTION 💜

so what does she actually DO 👀 This routine will notify the HBA, by ringing the doorbell 🔔, that the CQEs have been processed. that's the whole vibe — "hey, I'm done with these, come get them."

and the arm parameter specifies whether the queue should be rearmed when ringing the doorbell. so you can ring it and re-arm in one single iconic move ✨ periodt.

🌈 SEE ALSO 🌈

bestie. sit down. this list is LONG and we are getting through ALL of it, no skipping, iykyk 😭

Kernel file ./drivers/scsi/lpfc/lpfc_sli.c plus every single one of these queens:

okay that was a LOT and you ate every single one 🍓💀 proud of you fr fr.

🧚 and that's the whole page bestie — go ring that doorbell responsibly 💜

mwah 💋 this cutie lives in ./drivers/scsi/lpfc and she was last seen serving looks in October 2026 — catch you in the next manpage, love u 🎀💖✨

📦 where this page comes from