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fe6a8ebe90
When a client sends 0-sized data, the device regards that the client closed the connection and will exit properly. BUG=b:219674197 TEST=check if no error is shown when a vhost-user blk vmm disconnects Change-Id: Icd84fb241c39b6dc54a8af41a068a6dd95ce4c2b Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3468235 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Alexandre Courbot <acourbot@chromium.org> Commit-Queue: Keiichi Watanabe <keiichiw@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.