pci_epc_set_bar(9)

📦 version 7.3.1, in nixpkgs unstable

💅 pci_epc_set_bar — like, the Kernel API Manual girlies know ✨

okay so bestie, welcome to the pci_epc_set_bar(9) page from the Kernel API Manual — yes the whole manual, we're fancy now 🎀

✨ NAME ✨

pci_epc_set_bar — configure a BAR so the host can go assign PCI address space to it 🫶

🌸 SYNOPSIS 🌸

int pci_epc_set_bar (struct pci_epc *epc , u8 func_no , u8 vfunc_no ,
       struct pci_epf_bar *epf_bar );

🦋 ARGUMENTS 🦋

  • epc — the EPC device that's getting its BAR configured, she's the main character here 💜
  • func_no — the physical endpoint function number inside the EPC device, iykyk
  • vfunc_no — the virtual endpoint function number, and she lives inside that physical function, nested like a vibe check 💅
  • epf_bar — the struct epf_bar that's carrying all the BAR info, no cap

🔥 DESCRIPTION 🔥

Invoke this one to configure the BAR of the endpoint device. That's it, that's the tea ⭐

🌈 SEE ALSO 🌈

the kernel file ./drivers/pci/endpoint/pci-epc-core.c — go read her, she ate 👑

and like the entire extended friend group of epc functions, all of them, periodt:

anyway that's the whole page, go configure those BARs bestie 💖 this little drop came from ./drivers/pci/endpoint, dated October 2026, and it's a pci_epc_set_bar(9) girly through and through 🧚✨

📦 where this page comes from