lpfc_sli_enable_msix(9)

📦 version 7.3.1, in nixpkgs unstable

💅 lpfc_sli_enable_msix — a Kernel API Manual moment

okay bestie, gather round, because today we're reading a page from the Kernel API Manual and the star of the show is lpfc_sli_enable_msix(9). yes it's a real function, yes it's a whole vibe, and yes i'm gonna walk you through every single crumb of it. 🎀

✨ NAME ✨

lpfc_sli_enable_msix — Enable MSI-X interrupt mode on SLI-3 device</p>. that's the whole elevator pitch, she's concise, she's iconic. 💅

🦋 SYNOPSIS 🦋

int lpfc_sli_enable_msix (struct lpfc_hba *phba );

literally one line, one function, one int return. no cap, sometimes the simplest signatures eat the hardest. 🔥

🌸 ARGUMENTS 🌸

  • phba — pointer to lpfc hba data structure. that's it, that's the whole parameter list. she takes exactly one pointer to struct lpfc_hba and she takes it seriously. 🫶

💖 DESCRIPTION 💖

so the tea is: this routine is invoked to enable the MSI-X interrupt vectors to a device that's rockin' the SLI-3 interface specs. that's her whole job. MSI-X, enabled, SLI-3, periodt. ✨

and the return codes? super simple, iykyk:

  • 0 — successful 🎉
  • other values — error 😭
bestie pls note: it's not "0 or -1", it's literally "0 - successful, other values - error". so any non-zero number means something went sideways. don't @ me, that's what the page says.

🌈 SEE ALSO 🌈

the girlies she hangs out with 💜 — first up, the kernel file she lives in:

Kernel file ./drivers/scsi/lpfc/lpfc_init.c

and now, the full friend group, alphabetically-adjacent and absolutely massive, no skips, no cuts, we love a complete guest list 👑:

and that's the whole page, bestie, truly a main-character reading list. 🧚

source/version + date moment: this little gem lives under ./drivers/scsi/lpfc, stamped October 2026, from the Kernel API Manual, and she's filed under lpfc_sli_enable_msix(9). slay, go enable some MSI-X vectors responsibly 💖✨🍓
📦 where this page comes from