pcie_device_init(9)

okay so bestie, this one is from the Kernel API Manual, and the main character is literally pcie_device_init(9) — the function that allocates and initializes a PCI Express port service device. no cap, that’s the whole vibe. 💅✨

🎀 NAME 🎀

pcie_device_init — allocate and initialize PCI Express port service device 🫶

✨ SYNOPSIS ✨

int pcie_device_init (struct pci_dev *pdev , int service , int irq );

🦋 ARGUMENTS 🦋

• pdev — the PCI Express port you’re associating the service device with. like, that’s the port bestie, keep it close. 💖
• service — type of service to associate with the service device. yes ma’am, the service type goes here. 🌸
• irq — interrupt vector to associate with the service device. the irq is literally right there, slay. ⚡

🌈 SEE ALSO 🌈

Kernel file ./drivers/pci/pcie/portdrv.c is the spot, and here’s the whole related-function squad — every single one, no skips, periodt:

• release_pcie_device(9)
• pcie_port_enable_irq_vec(9)
• pcie_init_service_irqs(9)
• get_port_device_capability(9)
• pcie_port_device_register(9)
• pcie_port_device_suspend(9)
• pcie_port_device_resume(9)
• pcie_port_device_runtime_suspend(9)
• pcie_port_device_runtime_resume(9)
• pcie_port_find_device(9)
• pcie_port_device_remove(9)
• pcie_port_bus_probe(9)
• pcie_port_bus_remove(9)
• pcie_port_service_register(9)
• pcie_port_service_unregister(9)

so yeah, this page lives under ./drivers/pci/pcie, and the date stamped on it is October 2026 — iconic little footer, mwah 💋🎀