hcall_set_memory_regions(9)

🌸 NAME 🌸

okay so bestie, welcome to the hcall_set_memory_regions(9) page from the Kernel API Manual 💖 this is the hypercall that informs the hypervisor to set up EPT mappings — no cap, that's the whole vibe ✨

✨ SYNOPSIS ✨

long hcall_set_memory_regions (u64 regions_pa );

🎀 ARGUMENTS 🎀

• regions_pa — the Service VM GPA of struct vm_memory_region_batch 🫶

🔥 RETURN 🔥

Returns 0 on success, <0 on failure — periodt 💅

🦋 SEE ALSO 🦋

Kernel file: ./drivers/virt/acrn/hypercall.h ✨

and the whole linked squad is:

• 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_notify_req_finish(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 🫶 source/version: ./drivers/virt/acrn; date: October 2026 — mwah 💋