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Re: [libvirt PATCH v4 0/6] Add support for vDPA network devices



On 9/24/20 5:45 PM, Jonathon Jongsma wrote:
vDPA network devices allow high-performance networking in a virtual machine by
providing a wire-speed data path. These devices require a vendor-specific host
driver but the data path follows the virtio specification.

The support for vDPA devices was recently added to qemu. This allows
libvirt to support these devices. This patchset requires that the device is
configured on the host with the appropriate vendor-specific driver.  This will
create a chardev on the host at e.g. /dev/vhost-vdpa-0. That chardev path can
then be used to define a new interface with type=3D'vdpa'.

Changes in v4:
  - rebased to latest master
  - added hotplug support
  - report vdpa devices in node device list

Jonathon Jongsma (6):
   conf: Add support for vDPA network devices
   qemu: add vhost-vdpa capability
   qemu: add vdpa support
   qemu: add monitor functions for handling file descriptors
   qemu: support hotplug of vdpa devices
   Include vdpa devices in node device list

You can re-use my ACKs for the previously posted patches (assuming an ability to test IRL).


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