OSX-KVM

Modules (/etc/modules-load.d)

kvm.conf:
kvmgt
vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd

Options (/etc/modprobe.d)

iommu_unsafe_interrupts.conf:
options vfio_iommu_type1 allow_unsafe_interrupts=1

kvm.conf:
options kvm ignore_msrs=Y report_ignored_msrs=0

kvm-intel.conf:
options kvm-intel nested=Y

vfio-pci.conf:
options vfio-pci ids=1002:67df,1002:aaf0 disable_vga=1 disable_idle_d3=1
softdep i915 pre: vfio-pci
softdep mei_me pre: vfio-pci
softdep radeon pre: vfio-pci
softdep amdgpu pre: vfio-pci
softdep drm pre: vfio-pci
softdep snd_hda_intel pre: vfio-pci

GRUB

intel_iommu=on iommu=pt