pci_iov_bus_range(9)

💅 pci_iov_bus_range(9) — like, the Kernel API Manual, bestie ✨

Okay so real talk, this is pci_iov_bus_range from the Kernel API Manual and it's lowkey one of those tiny helper functions that eats 💅

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🌸 NAME 🌸

pci_iov_bus_range — find the bus range used by a Virtual Function, no cap 🦋

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✨ SYNOPSIS ✨

int pci_iov_bus_range (struct pci_bus *bus );

That's it. That's the whole vibe check. 🎀

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🫶 ARGUMENTS 🫶

• bus — the PCI bus, bestie. That's the one. Literally the PCI bus. 👑

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💖 DESCRIPTION 💖

So what it does is: it returns the max number of buses used by Virtual Functions — and yeah, that count excludes the current one, so don't come for me when the number's one less than you expected 🙈✨

That's genuinely the whole function. Short king behavior fr fr. 🧚

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🔥 SEE ALSO 🔥

Kernel file ./drivers/pci/iov.c — go read it, iykyk 📖

• pci_iov_get_pf_drvdata(9)
• pci_iov_init(9)
• pci_iov_release(9)
• pci_iov_remove(9)
• pci_iov_update_resource(9)
• pci_sriov_resource_alignment(9)
• pci_restore_iov_state(9)
• pci_vf_drivers_autoprobe(9)
• pci_enable_sriov(9)
• pci_disable_sriov(9)
• pci_num_vf(9)
• pci_vfs_assigned(9)
• pci_sriov_set_totalvfs(9)
• pci_sriov_get_totalvfs(9)
• pci_sriov_configure_simple(9)
• pci_iov_vf_bar_set_size(9)
• pci_iov_vf_bar_get_sizes(9)

That's the whole friend group, go say hi to all of them 🫶💜

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mwah 💋 this page lives in ./drivers/pci, dated October 2026 — iconic of it, honestly. stay hydrated, read your manpages, and slay ✨🌈