Hi Maxime, > -----Original Message----- > From: Maxime Coquelin <[email protected]> > Sent: Friday, March 31, 2023 11:43 PM > To: [email protected]; [email protected]; Xia, Chenbo > <[email protected]>; [email protected]; [email protected]; > [email protected]; Liang, Cunming <[email protected]>; Xie, Yongji > <[email protected]>; [email protected]; [email protected]; > [email protected] > Cc: Maxime Coquelin <[email protected]> > Subject: [RFC 00/27] Add VDUSE support to Vhost library > > 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. > -- > 2.39.2
Btw: when this series merged in future, will Redhat run all the test cases of vduse in every release? Thanks, Chenbo
