cloud-hypervisor/docs/vsock.md

1 # VSOCK support
3 VSOCK provides a way for guest and host to communicate through a socket. `cloud-hypervisor` only su…
5 The `virtio-vsock` is based on the [Firecracker](https://github.com/firecracker-microvm/firecracker…
36 ## Establishing VSOCK Connection
38 VSOCK device becomes available with `--vsock` option passed by the VM start. Cloud Hypervisor can b…
46 	--vsock cid=3,socket=/tmp/ch.vsock
49 …VSOCK functionality. However, there are other tools supporting VSOCK, like [ncat](https://stefano-…
55 `$ socat - VSOCK-LISTEN:1234`
59 `echo -e "CONNECT 1234\\nHello from host!" | socat - UNIX-CONNECT:/tmp/ch.vsock
61 …ening on different ports, thus the specific command is needed to instruct VSOCK to which listener …
75 `$ echo -e "Hello from guest!" | socat - VSOCK-CONNECT:2:1234`
79 - [virtio-vsock in QEMU, Firecracker and Linux: Status, Performance and Challenges](https://kvmforu…
80 - [Leveraging virtio-vsock in the cloud and containers](https://archive.fosdem.org/2021/schedule/ev…
81 - [VSOCK man page](https://manpages.ubuntu.com/manpages/focal/man7/vsock.7.html)
82 …rella.github.io/posts/2020-02-20-vsock-nested-vms-loopback/](https://stefano-garzarella.github.io/…
83 …-microvm/firecracker/blob/main/docs/vsock.md](https://github.com/firecracker-microvm/firecracker/b…