Yea definitely. Windows is actually my main use case where I need to share files between the host and guest.
Jonathan Vasquez PGP: 34DA 858C 1447 509E C77A D49F FB85 90B7 C4CA 5279 Sent with ProtonMail Secure Email Sent from [Proton Mail](https://proton.me/mail/home) for Android. -------- Original Message -------- On Tuesday, 09/09/25 at 14:34 Nuno Teixeira <edua...@freebsd.org> wrote: > Hello, > I have have already tried it with a linux (debian) guest and it works fine > too. > I'm looking for p9fs support on windows guests but for what I digged, there > is no 9p support yet but I also found that microsoft uses it on linux > subsystem... > If you know a program that do 9p on windows, please share. > Thanks, > > Lexi Winter <i...@freebsd.org> escreveu (terça, 9/09/2025 à(s) 14:48): > >> void: >>> I'd like to have one bhyve vm access the bhyve *host's* filesystem >> >> this is what p9fs(4) is for. >> >>> I can't seem to find instructions how to do this, although 9p looks >>> promising, am not sure this can be accessed from the host. >> >> p9fs exports an existing directory tree from the host (similar to the >> NFS server), so the host can always access the files by definition. >> >> to export the filesystem, add a virtio-9p device to bhyve: >> bhyve [...] -s 5:0,virtio-9p,myshare=/some/path,rw >> 'myshare' should be replaced with a descriptive name for the share, >> and change 'rw' to 'ro' to make it read-only. >> >> in the guest, mount the filesystem as normal in /etc/fstab using the >> same share name: >> myshare /myshare p9fs rw 0 0 >> >> note that unlike NFS, this doesn't work automatically for descendent >> mountpoints on the host (e.g., ZFS filesystem hierarchies); instead >> you need to export and mount each child filesystem separately. >> >> this is compatible on both the host and guest side with virtio-9p in >> Linux and other operating systems, but not with the newer version >> which i can't remember the name of (VirtFS?). > > -- > > Nuno Teixeira > FreeBSD UNIX: <edua...@freebsd.org> Web: > [https://FreeBSD.org](https://freebsd.org/)
