pcim_intx(9)

🌸 NAME 🌸

pcim_intx — managed pci_intx() 💅. This is the Kernel API Manual page for it, and yes, it’s giving very “small function, big cleanup energy.”

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✨ SYNOPSIS ✨

Here’s the signature, exactly as it is, no edits bestie:

int pcim_intx (struct pci_dev *pdev , int enable );

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🎀 ARGUMENTS 🎀

• pdev — the PCI device to operate on. That’s the target, periodt.
• enable — boolean: whether to enable or disable PCI INTx. On or off, choose your fighter.

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💖 RETURN 💖

0 on success, and -ENOMEM on error. Short, sweet, iconic.

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🦋 DESCRIPTION 🦋

Enable/disable PCI INTx for device pdev. The managed part? On driver detach, it restores the original state — automatic, clean, obsessed.

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🌈 SEE ALSO 🌈

Kernel file ./drivers/pci/devres.c is the source hangout spot. Then go peek at these:

• devm_pci_remap_iospace(9)
• devm_pci_remap_cfgspace(9)
• devm_pci_remap_cfg_resource(9)
• pcim_set_mwi(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)

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Source/version and date, for the record: ./drivers/pci, October 2026, and this page is pcim_intx(9). Bye bestie, go manage that INTx safely 🫶💜