hcall_start_vm(9)

🎀 NAME 🎀

okay so bestie, welcome to the hcall_start_vm(9) page — yes, that's the manual name, and we're in the Kernel API Manual. This one is literally about hcall_start_vm, which is here to Start a User VM. That's the whole vibe. No cap. ✨

💫 SYNOPSIS 💫

long hcall_start_vm (u64 vmid );

💅 ARGUMENTS 💅

• vmid — User VM ID. That's the ID of the User VM you're pointing at, bestie. 🫶

🌸 RETURN 🌸

• 0 on success
• <0 on failure

Zero means slay; anything below zero means it did not go off. 😭

🦋 SEE ALSO 🦋

Kernel file ./drivers/virt/acrn/hypercall.h — and here are all the sibling calls, kept exact for you:

• hcall_sos_remove_cpu(9)
• hcall_create_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_notify_req_finish(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 whole page, bestie 💖 signing off from ./drivers/virt/acrn, dated October 2026 — mwah, periodt. 🎀✨