Date: Mon, 01 Feb 2016 03:22:58 +0100 From: jceel@FreeBSD.org To: freebsd-hackers@FreeBSD.org, freebsd-virtualization@FreeBSD.org Subject: VirtFS support in bhyve Message-ID: <0E724C32-17FB-489A-B6E0-119CE17470E6@FreeBSD.org>
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Hello, I'm working on virtio-9p (so-called VirtFS) support in bhyve. Project consists of two parts: BSD-licensed lib9p library and actual virtio-9p driver. Right now it's able to do filesystem passthrough using 9P2000.u protocol to Linux guests. You can check it out here: https://github.com/jceel/freebsd/tree/virtfs Syntax: bhyve side: append `-s <n>,virtio-9p,sharename=/host/path` linux side: `mount -t 9p -o trans=virtio -o version=9p2000.u sharename /mnt/guest/path` Using 9p as root filesystem for Linux guests should work too. Plans: - Definitely in-kernel 9pfs filesystem support for FreeBSD guests using same lib9p library - 9P2000.L support (adds ACLs, extattrs, file locks, atomic reads/writes and so on) - Filesystem backend using AIO - Ability to export multiple trees for different "aname" values using one virtio-9p device (that's actually a low-hanging fruit) I'm looking forward to your feedback - keep in mind that's totally experimental/incomplete/nonworking code. Jakub.
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