<domain type='kvm'> <name>guest</name> <memory unit='KiB'>1048576</memory> <memtune> <hard_limit unit='KiB'>2097152</hard_limit> </memtune> <memoryBacking> <locked/> </memoryBacking> <vcpu placement='static'>1</vcpu> <os> <type arch='x86_64' machine='pc'>hvm</type> </os> <devices> <emulator>/usr/bin/qemu-system-x86_64</emulator> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x04' slot='0x02' function='0x0'/> </source> </hostdev> </devices> </domain>