pci_check_and_mask_intx(9)

🎀 NAME 🎀

okay so bestie, welcome to the pci_check_and_mask_intx(9) page from the Kernel API Manual 💖 — the function is literally pci_check_and_mask_intx, and its whole vibe is mask INTx on pending interrupt. no cap.

✨ SYNOPSIS ✨

bool pci_check_and_mask_intx (struct pci_dev *dev );

🫶 ARGUMENTS 🫶

• dev — the PCI device to operate on, bestie. That's the main character here 🎀

💅 DESCRIPTION 💅

Here's the tea: check if the device dev has its INTx line asserted. If it does, mask it and return true — slay. If no interrupt was pending, you get false back. That's it, iconic behavior only ✨

🌈 SEE ALSO 🌈

Go peek at the Kernel file ./drivers/pci/irq.c, plus these besties:

• pci_request_irq(9)
• pci_free_irq(9)
• pci_swizzle_interrupt_pin(9)
• pci_common_swizzle(9)
• pci_check_and_unmask_intx(9)
• pcibios_penalize_isa_irq(9)

Bye bestie! This page is from ./drivers/pci, dated October 2026 — and yes, it's the pci_check_and_mask_intx(9) page. Mwah 💋✨