On Tue, Dec 05, 2017 at 11:33:09AM +0800, Wei Wang wrote: > Vhost-pci is a point-to-point based inter-VM communication solution. This > patch series implements the vhost-pci-net device setup and emulation. The > device is implemented as a virtio device, and it is set up via the > vhost-user protocol to get the neessary info (e.g the memory info of the > remote VM, vring info). > > Currently, only the fundamental functions are implemented. More features, > such as MQ and live migration, will be updated in the future. > > The DPDK PMD of vhost-pci has been posted to the dpdk mailinglist here: > http://dpdk.org/ml/archives/dev/2017-November/082615.html > > v2->v3 changes: > 1) static device creation: instead of creating and hot-plugging the > device when receiving a vhost-user msg, the device is not created > via the qemu booting command line. > 2) remove vqs: rq and ctrlq are removed in this version. > - receive vq: the receive vq is not needed anymore. The PMD directly > shares the remote txq and rxq - grab from remote txq to > receive packets, and put to rxq to send packets. > - ctrlq: the ctrlq is replaced by the first 4KB metadata area of the > device Bar-2. > 3) simpler implementation: the entire implementation has been tailored > from ~1800 LOC to ~850 LOC.
Please write qtest test cases for vhost-pci. See tests/virtio-net-test.c and tests/vhost-user-test.c for examples. Stefan
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