diff --git a/ansible/roles/bhyve/files/arch.conf b/ansible/roles/bhyve/files/arch.conf
index 18bbf6b..2104df9 100644
--- a/ansible/roles/bhyve/files/arch.conf
+++ b/ansible/roles/bhyve/files/arch.conf
@@ -20,3 +20,14 @@ virt_random="yes"  # virtio-rnd
 
 # Creates a link to host_bridge1's link3 hook to the vmlink hook on a type socket
 bhyve_options="-s 2:0,virtio-net,netgraph,path=host_bridge1:,peerhook=link3"
+
+# Share a host directory to the guest via 9pfs.
+#
+# Inside the VM run:
+#   mount -t virtfs -o trans=virtio sharename /some/vm/path
+#   mount -t 9p -o cache=mmap -o msize=512000 sharename /mnt/9p
+#   mount -t 9p -o trans=virtio,cache=mmap,msize=512000 sharename /path/to/mountpoint
+# bhyve_options="-s 28,virtio-9p,sharename=/"
+
+# Enable Sound
+# bhyve_options="-s 16,hda,play=/dev/dsp,rec=/dev/dsp"