i40e_pci_error_slot_reset(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

✨ i40e_pci_error_slot_reset β€” a PCI slot reset just happened ✨

okay so this is a page out of the Kernel API Manual and it's about exactly one function, and honestly? she's short but she's important. bestie, let's get into it πŸ’…


🌸 NAME 🌸

i40e_pci_error_slot_reset β€” a PCI slot reset just happened πŸ’€

like. that's the whole vibe. the slot got reset. now what. πŸ‘‘


πŸ¦‹ SYNOPSIS πŸ¦‹

pci_ers_result_t i40e_pci_error_slot_reset (struct pci_dev *pdev );

πŸŽ€ ARGUMENTS πŸŽ€

  • pdev β€” the PCI device information struct 🫢 that's the device we're checking up on, like "hey bestie u good?"

πŸ’– DESCRIPTION πŸ’–

okay so this one gets called to figure out if the driver can actually work with the device now that the PCI slot has been reset. like, the slot went through something, and we need to know if the relationship is still gonna work out or if we're breaking up 😭

and the test? it's honestly so simple it's iconic: if a basic connection seems good β€” meaning the registers are readable and their content is sane β€” then you return a happy little PCI_ERS_RESULT_xxx. that's it. that's the whole checklist. registers readable ✨ registers sane ✨ return the happy result πŸŽ‰ periodt.


πŸ”₯ SEE ALSO πŸ”₯

the whole i40e friend group 🫢 no cap, here they all are:


that's the whole squad, no gatekeeping πŸ’œ

ngl the takeaway is tiny but real: slot got reset, we check the registers, and if they read back sane we hand back a happy PCI_ERS_RESULT_xxx. that's it, that's the function, she ate and left no crumbs πŸ“

and that's a wrap bestie!! this lil' page lives in ./drivers/net/ethernet/intel/i40e, dated October 2026, and it's i40e_pci_error_slot_reset(9) forever and always πŸŽ€βœ¨πŸ¦‹ slay, go read your registers responsibly πŸ‘‘

πŸ“¦ where this page comes from