On 3/31/2023 4:42 PM, Maxime Coquelin wrote: > This series introduces a new type of backend, VDUSE, > to the Vhost library. > > VDUSE stands for vDPA device in Userspace, it enables > implementing a Virtio device in userspace and have it > attached to the Kernel vDPA bus. > > Once attached to the vDPA bus, it can be used either by > Kernel Virtio drivers, like virtio-net in our case, via > the virtio-vdpa driver. Doing that, the device is visible > to the Kernel networking stack and is exposed to userspace > as a regular netdev. > > It can also be exposed to userspace thanks to the > vhost-vdpa driver, via a vhost-vdpa chardev that can be > passed to QEMU or Virtio-user PMD. > > While VDUSE support is already available in upstream > Kernel, a couple of patches are required to support > network device type: > > https://gitlab.com/mcoquelin/linux/-/tree/vduse_networking_poc > > In order to attach the created VDUSE device to the vDPA > bus, a recent iproute2 version containing the vdpa tool is > required.
Hi Maxime, Is this a replacement to the existing DPDK vDPA framework? What is the plan for long term?
