9pfs Developers Documentation| wiki.qemu.org
Network Basics| wiki.qemu.org
Translation(s): English - Français - Italiano - Deutsch - Español - Português (Brasil) - Русский - 简体中文 | wiki.debian.org
With QEMU's 9pfs you can create virtual filesystem devices (virtio-9p-device) and expose them to guests, which essentially means that a certain directory on host machine is made directly accessible by a guest OS as a pass-through file system by using the 9P network protocol for communication between host and guest, if desired even accessible, shared by several guests simultaniously.| wiki.qemu.org