Skip to main content

QEMU Device Properties

Example: Rename Device

Example: Move MSI-X

The QEMU vfio-pci device option is x-msix-relocation= which allows specifying the bar to use for the MSI-X tables, ex. bar0...bar5. Since this device uses a 64bit bar0, we can either extend that BAR or choose another, excluding bar1, which is consumed by the upper half of bar0.

To set these properties you can edit the VM configuration and add an args parameter.

args: -set device.hostpci1.x-msix-relocation=bar2