Re: [PATCH v4 00/14]vDPA support in qemu

[Jason Wang]

On 2020/7/1 下午10:55, Cindy Lu wrote:
> vDPA device is a device that uses a datapath which complies with the
> virtio specifications with vendor specific control path. vDPA devices
> can be both physically located on the hardware or emulated by software.
> This PATCH introduce the vDPA support in qemu
> TODO
> 1) vIOMMU support
> 2) live migration support
> 3) docs for vhost-vdpa
> 4) config interrupt support
>
> Change from v1
> separate the patch of vhost_vq_get_addr
> separate the patch of vhost_dev_start
> introduce the docmation for vhost-vdpa.rst
> other comments form last version
> github address
> https://github.com/lulu-github-name/qemutmp.git PATCHV2
>
> Change from v3
> fix the complie problem
> separate the patch of vhost_force_iommu
> other comments form last version
> github address
> https://github.com/lulu-github-name/qemutmp.git PATCHV3
>
> Change from v3
> fix the centos7 test problem
> other comments form last version
> github address
> https://github.com/lulu-github-name/qemutmp.git PATCHV4


Thanks a lot for patches.

I think we may have a more generic handling of forcing IOMMU_PLATFORM. 
But it can be done on top.

So

Acked-by: Jason Wang <jasowang@redhat.com>


> Cindy Lu (11):
>    net: introduce qemu_get_peer
>    vhost_net: use the function qemu_get_peer
>    vhost: introduce new VhostOps vhost_dev_start
>    vhost: implement vhost_dev_start method
>    vhost: introduce new VhostOps vhost_vq_get_addr
>    vhost: implement vhost_vq_get_addr method
>    vhost: introduce new VhostOps vhost_force_iommu
>    vhost: implement vhost_force_iommu method
>    vhost_net: introduce set_config & get_config
>    vhost-vdpa: introduce vhost-vdpa backend
>    vhost-vdpa: introduce vhost-vdpa net client
>
> Jason Wang (3):
>    virtio-bus: introduce queue_enabled method
>    virtio-pci: implement queue_enabled method
>    vhost: check the existence of vhost_set_iotlb_callback
>
>   configure                         |  21 ++
>   docs/interop/index.rst            |   1 +
>   docs/interop/vhost-vdpa.rst       |  17 ++
>   hw/net/vhost_net-stub.c           |  11 +
>   hw/net/vhost_net.c                |  45 ++-
>   hw/net/virtio-net.c               |  19 ++
>   hw/virtio/Makefile.objs           |   1 +
>   hw/virtio/vhost-backend.c         |   6 +
>   hw/virtio/vhost-vdpa.c            | 475 ++++++++++++++++++++++++++++++
>   hw/virtio/vhost.c                 |  52 +++-
>   hw/virtio/virtio-pci.c            |  13 +
>   hw/virtio/virtio.c                |   6 +
>   include/hw/virtio/vhost-backend.h |  19 +-
>   include/hw/virtio/vhost-vdpa.h    |  26 ++
>   include/hw/virtio/vhost.h         |   7 +
>   include/hw/virtio/virtio-bus.h    |   4 +
>   include/net/net.h                 |   1 +
>   include/net/vhost-vdpa.h          |  22 ++
>   include/net/vhost_net.h           |   5 +
>   net/Makefile.objs                 |   2 +-
>   net/clients.h                     |   2 +
>   net/net.c                         |  10 +
>   net/vhost-vdpa.c                  | 228 ++++++++++++++
>   qapi/net.json                     |  28 +-
>   qemu-options.hx                   |  12 +
>   25 files changed, 1004 insertions(+), 29 deletions(-)
>   create mode 100644 docs/interop/vhost-vdpa.rst
>   create mode 100644 hw/virtio/vhost-vdpa.c
>   create mode 100644 include/hw/virtio/vhost-vdpa.h
>   create mode 100644 include/net/vhost-vdpa.h
>   create mode 100644 net/vhost-vdpa.c