pci_epf_bind(9)

💖 pci_epf_bind(9) 💖

okay so this is a page straight out of the Kernel API Manual, and honestly? it's a little baby function with one job and it does it beautifully. let's get into it bestie 🫶

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✨ NAME ✨

pci_epf_bind — the function that slides into the function driver's DMs to let it know its EPF device has been bound to an EPC device. that's it. that's the whole vibe. 💅

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🌸 SYNOPSIS 🌸

int pci_epf_bind (struct pci_epf *epf );

like yes, that's really the whole thing. one argument, one int coming back at you. iconic minimalism honestly ✨

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🎀 ARGUMENTS 🎀

• epf — the EPF device that has been bound to the EPC device. this is literally the main character of the whole function, the one getting all the attention 💖

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🦋 DESCRIPTION 🦋

so the whole deal is: you invoke this to notify the function driver that it has been bound to a EPC device. that's it!! that's the assignment!! it's a little heads-up notification, a "hey bestie, you're bound now 👀", and it does exactly what it says on the tin. no cap, no hidden tricks, just a clean little notify. 🌈

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👑 SEE ALSO 👑

the kernel file ./drivers/pci/endpoint/pci-epf-core.c is where all this lives, and here's the whole friend group — go say hi to all of them, they're all linked up and lowkey obsessed with each other:

• pci_epf_unbind(9)
• pci_epf_add_vepf(9)
• pci_epf_remove_vepf(9)
• pci_epf_free_space(9)
• pci_epf_alloc_space(9)
• pci_epf_assign_bar_space(9)
• pci_epf_unregister_driver(9)
• __pci_epf_register_driver(9)
• pci_epf_destroy(9)
• pci_epf_create(9)
• pci_epf_align_inbound_addr(9)

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and that's the whole page babes!! 💜 this lil number lives over in ./drivers/pci/endpoint and it's stamped October 2026 — so yeah, keep it in your bookmarks, and remember: notify your function driver, slay, periodt. 🧚🔥