Make sure the firmware file is called "OVMF.fd" and is in the hypervisor's default firmware directory. For qemu, this would be in /usr/share/qemu.
Creating a new vm should now show a "firmware" option in the advanced section at the end of the wizard, and the details screen should also show which firmware is being used.
OK, I've uploaded an ugly first stab at adding this to virt-manager in the following PPA:
https:/ /launchpad. net/~mdeslaur/ +archive/ testing/ +packages
Make sure the firmware file is called "OVMF.fd" and is in the hypervisor's default firmware directory. For qemu, this would be in /usr/share/qemu.
Creating a new vm should now show a "firmware" option in the advanced section at the end of the wizard, and the details screen should also show which firmware is being used.