pcim_set_mwi(9)

🌸 NAME 🌸

okay so welcome to pcim_set_mwi(9) from the Kernel API Manual, bestie 💖. This function is literally pcim_set_mwi — a device-managed pci_set_mwi(). That's the name tea, and it ate 💅✨.

✨ SYNOPSIS ✨

int pcim_set_mwi (struct pci_dev *pdev );

🎀 ARGUMENTS 🎀

• pdev — the PCI device for which MWI is enabled. This is the one receiving the main-character energy 👑.

🦋 DESCRIPTION 🦋

Managed pci_set_mwi. Lowkey the whole description, but it's giving exactly what it needs to give 🍓.

💫 RETURN 💫

An appropriate -ERRNO error value on error, or zero for success. Error time is the appropriate error value; success time is zero. Slay ✅.

🌈 SEE ALSO 🌈

The Kernel file is ./drivers/pci/devres.c, and these are the besties you should also pull up:

• devm_pci_remap_iospace(9)
• devm_pci_remap_cfgspace(9)
• devm_pci_remap_cfg_resource(9)
• pcim_intx(9)
• pcim_enable_device(9)
• pcim_pin_device(9)
• pcim_iomap_table(9)
• pcim_iomap(9)
• pcim_iounmap(9)
• pcim_iomap_region(9)
• pcim_iounmap_region(9)
• pcim_iomap_regions(9)
• pcim_request_region(9)
• pcim_release_region(9)
• pcim_release_all_regions(9)
• pcim_request_all_regions(9)
• pcim_iomap_range(9)

Cute sign-off: source/version ./drivers/pci, date October 2026, manual pcim_set_mwi(9) — mwah 💋✨