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31f04e9270
The existing code confuses the length of the request with the length of the reply in recv_reply_with_payload. This makes it impossible to use for any requests where the reply differs in size. Fix this by determining payload size after reading the reply header. BUG=b:201745804 TEST=compiles Change-Id: Iec21918e45b81d299f3178e7893e146cbd4c7db7 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3716343 Reviewed-by: Keiichi Watanabe <keiichiw@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: David Stevens <stevensd@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.