ne_setup_msix(9)

💅 ne_setup_msix(9) — like, the kernel API manual bestie ✨

okay so real talk, this one lives in section 9 of the manual (that's the kernel API manual, iykyk — the section where all the in-kernel function lore hangs out 👑). and it's literally about getting your MSI-X vectors all set up for a PCI device. no cap, that's the whole vibe.

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🦋 NAME 🦋

ne_setup_msix — Setup MSI-X vectors for the PCI device.

like, it's the glow-up moment for your PCI device's interrupts, periodt 💅

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🌸 SYNOPSIS 🌸

int ne_setup_msix (struct pci_dev *pdev );

that's it, that's the whole call. one function, one argument, and it returns an int. iconic honestly 💖

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🎀 ARGUMENTS 🎀

• pdev — the PCI device you're setting up the MSI-X for. that's the main character of this function, fr fr 🫶

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⭐ CONTEXT ⭐

Process context. so like, you're running in a normal process context here — no weird interrupt-context shenanigans, bestie. nothing sketchy, nothing spicy, just regular process vibes 😌

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🔥 RETURN 🔥

• 0 on success — slay, you ate, everything worked 💖✨
• Negative return value on failure — 😭 it flopped, something went wrong, and the negative number is your little hint that it did

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/virt/nitro_enclaves/ne_pci_dev.c — Nitro Enclaves (NE) PCI device driver.(9) 🧚
• NE_DEFAULT_TIMEOUT_MSECS(9)
• ne_submit_request(9)
• ne_retrieve_reply(9)
• ne_wait_for_reply(9)
• ne_reply_handler(9)
• ne_event_work_handler(9)
• ne_event_handler(9)
• ne_teardown_msix(9)
• ne_pci_dev_enable(9)
• ne_pci_dev_disable(9)
• ne_pci_probe(9)
• ne_pci_remove(9)
• ne_pci_shutdown(9)

go read those if you wanna understand the whole Nitro Enclaves PCI device drivers friend group 💜 they all hang out together, iykyk 🦋

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lowkey a reminder that this whole page is brought to you by ./drivers/virt/nitro_enclaves, dated October 2026 🌸 — that's the source and the date, bestie, and honestly? it's giving documentation main character energy 👑💅