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BUG=none TEST=`cargo check` in vmm_vhost succeeded without any warnings Change-Id: I3adede28406a930bc54c5b0b0fd288fc42a4de89 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3932450 Commit-Queue: Keiichi Watanabe <keiichiw@chromium.org> Reviewed-by: Alexandre Courbot <acourbot@chromium.org> |
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vHost
A pure rust library for vhost-user. This is a fork of rust-vmm/vhost.
The vhost-user protocol aims to implement vhost backend drivers in userspace, which complements the ioctl interface used to control the vhost implementation in the Linux kernel. It implements the control plane needed to establish virtqueue sharing with a user space process on the same host. It uses communication over a Unix domain socket to share file descriptors in the ancillary data of the message.
The protocol defines two sides of the communication, master and slave. Master is the application that shares its virtqueues, slave is the consumer of the virtqueues. Master and slave can be either a client (i.e. connecting) or server (listening) in the socket communication.