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PCI Express

Is a computer expansion bus

PCIe Groups

  • Can be checked with find /sys/kernel/iommu_groups/ -type l

IOMMU / PCIe Passthrough

  • Is the ability to redirect PCI device(s) to Virtual Machine
  • On Linux, check if active with dmesg | grep -e DMAR -e IOMMU -e AMD-Vi
    • Should return IOMMU, Directed I/O or Interrupt Remapping is enabled