hcall_notify_req_finish(9)

hcall_notify_req_finish(9) 💖

okay so bestie, welcome to this little corner of the Kernel API Manual. this is the page for telling the ACRN Hypervisor that an I/O request is finished — literally the completion notification, no cap. ✨

✨ NAME ✨

hcall_notify_req_finish — Notify ACRN Hypervisor of I/O request completion.

🌸 SYNOPSIS 🌸

long hcall_notify_req_finish (u64 vmid , u64 vcpu );

🎀 ARGUMENTS 🎀

• vmid — User VM ID 🫶
• vcpu — The vCPU which initiated the I/O request 💅

💅 RETURN 💅

0 on success, <0 on failure. that’s the whole mood. 😌

🦋 SEE ALSO 🦋

Kernel file ./drivers/virt/acrn/hypercall.h, plus the rest of the hypercall bestie lineup:

• hcall_sos_remove_cpu(9)
• hcall_create_vm(9)
• hcall_start_vm(9)
• hcall_pause_vm(9)
• hcall_destroy_vm(9)
• hcall_reset_vm(9)
• hcall_set_vcpu_regs(9)
• hcall_inject_msi(9)
• hcall_vm_intr_monitor(9)
• hcall_set_irqline(9)
• hcall_set_ioreq_buffer(9)
• hcall_set_memory_regions(9)
• hcall_create_vdev(9)
• hcall_destroy_vdev(9)
• hcall_assign_mmiodev(9)
• hcall_deassign_mmiodev(9)
• hcall_assign_pcidev(9)
• hcall_deassign_pcidev(9)
• hcall_set_ptdev_intr(9)
• hcall_reset_ptdev_intr(9)

okay that’s the tea 🍓 — Kernel API Manual edition, source ./drivers/virt/acrn, dated October 2026. bye bestie, go finish those I/O requests responsibly 💜✨