On 9/29/20 6:13 PM, Maxime Coquelin wrote:
> vhost-vDPA is a new vhost backend type introduced by vDPA kernel
> framework, which provides abstruction to the vDPA devices and
> exposes to userspace a unified control interface through char devs.
>
> This patch set adds vhost-vdpa backend type to the virtio_user.
> A set of vhost-vdpa specific ops callbacks are attached to the
> virtio_user according to the runtime dynamic check result of the
> backend type. DMA memory map/unmap callbacks are added to both
> vdev bus driver and virtio_user pmd to support address mapping.
> In addition, minor fixes to existing virtio control path are also
> implemented to make the new backend work.
>
> This is a collaborative work done with Patrick Fu from Intel and
> Adrian Moreno from Red Hat. Thanks to them for their contributions.
>
> The series has been tested with vdpasim and Intel IFC Kernel vDPA
> drivers, and more lightly with Mellanox mlx5_vdpa on ConnectX-6 Dx.
>
> Changes in v3:
> --------------
> * Fix 32bit builds (CI & Chenbo)
> * Fix checkpatch
>
> Changes in v2:
> --------------
> * Split backend-type patch (Adrian)
> * Fix get_status size (Chenbo)
> * Various minro fixes (Chenbo)
>
> Adrian Moreno (1):
> net/virtio: move backend type selection to ethdev
>
> Maxime Coquelin (7):
> bus/vdev: add DMA mapping ops
> net/virtio: introduce DMA ops
> net/virtio: introduce Vhost-vDPA backend type
> net/virtio: check protocol feature in user backend
> net/virtio: adapt Virtio-user status size
> net/virtio: split virtio-user start
> net/virtio: introduce Vhost-vDPA backend
>
> drivers/bus/vdev/rte_bus_vdev.h | 46 ++-
> drivers/bus/vdev/vdev.c | 52 +++
> drivers/net/virtio/meson.build | 1 +
> drivers/net/virtio/virtio_user/vhost.h | 5 +
> drivers/net/virtio/virtio_user/vhost_user.c | 6 +-
> drivers/net/virtio/virtio_user/vhost_vdpa.c | 298 ++++++++++++++++++
> .../net/virtio/virtio_user/virtio_user_dev.c | 117 ++++---
> .../net/virtio/virtio_user/virtio_user_dev.h | 13 +-
> drivers/net/virtio/virtio_user_ethdev.c | 126 +++++++-
> 9 files changed, 607 insertions(+), 57 deletions(-)
> create mode 100644 drivers/net/virtio/virtio_user/vhost_vdpa.c
>
Applied to dpdk-next-virtio/main.
Thanks,
Maxime
