hcall_deassign_pcidev(9)

🎀 NAME 🎀

okay so bestie, this is hcall_deassign_pcidev(9), and yes, we are in the Kernel API Manual — it’s giving kernel hypercall realness and I’m obsessed. 💖

hcall_deassign_pcidev — De-assign a PCI device from a User VM. periodt. 💅

✨ SYNOPSIS ✨

long hcall_deassign_pcidev (u64 vmid , u64 addr );

💅 ARGUMENTS 💅

• vmid — User VM ID. literally the ID of the User VM, bestie. 🫶
• addr — Service VM GPA of the struct acrn_pcidev. yep, that exact GPA. no cap. ✨

🫶 RETURN 🫶

Returns 0 on success, and <0 on failure. that’s the whole vibe check. 💖

🌈 SEE ALSO 🌈

Kernel file ./drivers/virt/acrn/hypercall.h — and the whole hcall bestie squad:

• 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_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_set_ptdev_intr(9)
• hcall_reset_ptdev_intr(9)

mwah 💖 source/version: ./drivers/virt/acrn, date: October 2026, and it’s literally hcall_deassign_pcidev(9) — slay. 🎀