mpi3mr_pcierr_slot_reset(9)

📦 version 7.3.1, in nixpkgs unstable

💅 mpi3mr_pcierr_slot_reset 💅 (Kernel API Manual, section 9)

okay so bestie, listen — this is a page straight out of the Kernel API Manual, and it's all about one very specific little function. she's not famous, she's not flashy, but she matters. let's get into it 🫶

✨ NAME ✨

mpi3mr_pcierr_slot_reset — the post slot reset callback. yeah. that's her job. that's the whole vibe. 💅

🌸 SYNOPSIS 🌸

pci_ers_result_t mpi3mr_pcierr_slot_reset (struct pci_dev *pdev );

like, that's the whole signature. one argument. clean. iconic. 🎀

🦋 ARGUMENTS 🦋

  • pdev — the PCI device instance. that's it, that's the one thing she needs from you, bestie. hand her the device and step back. 🫶

💖 DESCRIPTION 💖

okay so here's the lore. the PCI error recovery driver calls this function after it has issued a slot reset or a link reset for recovery purposes. so the reset already happened — that's not on you — and now the driver is expected to bring back the controller and initialize it. main character energy fr fr. 👑

what she actually does:

  • restores the PCI state ✨
  • reinitializes the controller resources 🔥
  • reinitializes the controller itself 👑

and the important bit — this blocks for any pending reset to complete. so like, she waits. she's not gonna bail early and pretend everything's fine. no cap. 😭

ngl, if you're calling this, something already went sideways with the hardware. this is the recovery arc, not the chill arc. 🩹

⭐ RETURN ⭐

  • PCI_ERS_RESULT_DISCONNECT — on failure. 😭 not great. the device is basically getting unfriended.
  • PCI_ERS_RESULT_RECOVERED — she did it. she ate. everything's back. 💅✨

🧚 SEE ALSO 🧚

kernel file: ./drivers/scsi/mpi3mr/mpi3mr_os.c 🍓

and now the giant friend group — literally the whole mpi3mr extended universe, iykyk:

and that's the whole page, bestie!! 💖 this one lives in ./drivers/scsi/mpi3mr, and the version on the tin says October 2026 — so like, mark your calendar, screenshot it, whatever, because that's the date and that's the source. slay. 💅✨🎀🦋🌸🫶👑

📦 where this page comes from