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This change caches the parameters received in the activate method. It spawns a Worker thread to process Vhost master communication. Furthermore, it forwards all non-action messages to the Vhost slave. BUG=b:194136484 TEST=Compile. Change-Id: Ie853add605ea4daa1c62ec9ce93cbac083e57de7 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3288870 Reviewed-by: Chirantan Ekbote <chirantan@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Abhishek Bhardwaj <abhishekbh@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.