hcall_set_ptdev_intr(9)

📦 version 7.3.1, in nixpkgs unstable

💅 hcall_set_ptdev_intr — like, the Kernel API Manual page, bestie ✨

okay so picture this: you're deep in the hcall_set_ptdev_intr(9) glow-up of the Kernel API Manual, and the whole vibe is "set up an interrupt for a PCI device that's been assigned to a VM". that's the entire main character energy of this page. no cap. 🎀

✨ NAME ✨

hcall_set_ptdev_intr — configure an interrupt for an assigned PCI device. literally its whole job, and it ate. 🔥

🦋 SYNOPSIS 🦋

long hcall_set_ptdev_intr (u64 vmid , u64 irq );

look at her go. two u64s and a long. iconic signature, no notes. 💜

🌸 ARGUMENTS 🌸

  • vmid — the User VM ID, aka which VM we're doing this for. know your girl's ID, bestie. 🫶
  • irq — the Service VM GPA of the struct acrn_ptdev_irq. yes it's a GPA, yes it's pointing at that struct, yes you need to keep it straight. iykyk. 💅

⭐ RETURN ⭐

  • 0 on success 🎉
  • <0 on failure 😭 (negative numbers = the sad path, fr fr)

🌈 SEE ALSO 🌈

bestie. the friend group is huge and they're all in Kernel file ./drivers/virt/acrn/hypercall.h. every single one of these, no skipping:

the whole squad. go read them. obsessed. 👑

reminder: the irq arg is a Service VM GPA of struct acrn_ptdev_irq — not a raw irq number, not a vibe, a GPA. don't get it twisted. 🙈

that's the page, bestie! source is ./drivers/virt/acrn, dated October 2026, and this whole thing lives at hcall_set_ptdev_intr(9). slay, periodt. 💖✨

📦 where this page comes from