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diff --git a/website/content/en/status/report-2024-07-2024-09/vsock.adoc b/website/content/en/status/report-2024-07-2024-09/vsock.adoc new file mode 100644 index 0000000000..a67ed7d8dd --- /dev/null +++ b/website/content/en/status/report-2024-07-2024-09/vsock.adoc @@ -0,0 +1,25 @@ +=== VirtIO Sockets and AF_VSOCK support + +Links: + +link:https://github.com/daniloegea/freebsd-src/tree/virtio_vsocks[Source code] URL: link:https://github.com/daniloegea/freebsd-src/tree/virtio_vsocks[] + +Contact: Danilo Egea Gondolfo <danilo@FreeBSD.org> + +The VirtIO Socket device is used to enable communication between guests and host without networking. +The AF_VSOCK protocol family enables it to be used through the sockets API. + +For the past many months I have been working on a guest driver for the link:https://docs.oasis-open.org/virtio/virtio/v1.2/cs01/virtio-v1.2-cs01.html#x1-43600010[VirtIO Socket] device and an implementation of the AF_VSOCK protocol family. +Originally, I wanted to get the link:https://github.com/canonical/lxd/[lxd-agent] daemon link:https://github.com/canonical/lxd/issues/11603[working on FreeBSD] but the communication with the LXD host daemon is done through VSOCKs. +LXD is a nice container and virtual machine manager based on Linux/KVM and my end goal is to make FreeBSD a LXD first-class citizen. + +At the moment I have it working well enough to enable the lxd-agent to work. +I adapted the `golang.org/x/sys` library and the lxd-agent to support AF_VSOCK on FreeBSD. +Features such as command execution, interactive consoles and file transfer are working. + +On Linux, AF_VSOCK can be used with VirtIO, HyperV and VMware sockets as transports. +I am trying to design my implementation so it will also be possible to use it with different transports in the future. + +After getting the current work in a good shape, ideas for future work include integration of AF_VSOCK and HyperV Sockets (which is already supported on FreeBSD through AF_HYPERV), VIRTIO_VSOCK_F_SEQPACKET, VirtIO Socket device for bhyve and the host side of the driver. + +I will continue to slowly work on this on my limited free time and hopefully have something more concrete for the next time. +There is still a lot of work to be done until it become ready for code review. |