clp_set_pci_fn(9)

📦 version 7.3.1, in nixpkgs unstable

okay so bestie, welcome to clp_set_pci_fn(9) from the Kernel API Manual — this is the page where we execute a command on a PCI function, and I’m gonna walk you through every single bit. 💅✨

🌸 NAME 🌸

clp_set_pci_fn — execute a command on a PCI function 🫶

✨ SYNOPSIS ✨

int clp_set_pci_fn (struct zpci_dev *zdev , u32 *fh , u8 nr_dma_as , u8
       command );

🎀 ARGUMENTS 🎀

  • zdev — Function that will be affected 👑
  • fh — Out parameter for updated function handle 🦋
  • nr_dma_as — DMA address space number 🌈
  • command — The command code to execute ⚡

🦋 RETURN 🦋

  • 0 on success 🎉
  • < 0 for Linux errors (e.g. -ENOMEM) 😭
  • > 0 for non-success platform responses 💀

💜 SEE ALSO 💜

Kernel file ./arch/s390/pci/pci_clp.c 📁✨

byeee 🫶 this page’s source/version is ./arch/s390/pci, and the date is October 2026 🎀

📦 where this page comes from