[Source](https://superuser.com/a/628381) Add ``` -virtfs local,path=/path/to/share,mount_tag=host0,security_model=passthrough,id=host0 ``` to the `qemu-system` invocation and add ``` host0 /wherever 9p trans=virtio,version=9p2000.L 0 0 ``` to the `/etc/fstab`.