Re: [Qemu-devel] [virtio-dev] Re: [PATCH v2 00/16] Vhost-pci for inter-VM communication

[Wei Wang]

On 05/16/2017 02:46 PM, Jason Wang wrote:
> On 2017年05月12日 16:35, Wei Wang wrote:
> > This patch series implements vhost-pci, which is a point-to-point based
> > inter-vm communication solution. The QEMU side implementation 
> > includes the
> > vhost-user extension, vhost-pci device emulation and management, and 
> > inter-VM
> > notification.
> >
> > v1->v2 changes:
> > 1) inter-VM notification support;
> > 2) vhost-pci-net ctrlq message format change;
> > 3) patch re-org and code cleanup.
> >
> > Wei Wang (16):
> >    vhost-user: share the vhost-user protocol related structures
> >    vl: add the vhost-pci-slave command line option
> >    vhost-pci-slave: create a vhost-user slave to support vhost-pci
> >    vhost-pci-net: add vhost-pci-net
> >    vhost-pci-net-pci: add vhost-pci-net-pci
> >    virtio: add inter-vm notification support
> >    vhost-user: send device id to the slave
> >    vhost-user: send guest physical address of virtqueues to the slave
> >    vhost-user: send VHOST_USER_SET_VHOST_PCI_START/STOP
> >    vhost-pci-net: send the negotiated feature bits to the master
> >    vhost-user: add asynchronous read for the vhost-user master
> >    vhost-user: handling VHOST_USER_SET_FEATURES
> >    vhost-pci-slave: add "reset_virtio"
> >    vhost-pci-slave: add support to delete a vhost-pci device
> >    vhost-pci-net: tell the driver that it is ready to send packets
> >    vl: enable vhost-pci-slave
> >
> >   hw/net/Makefile.objs                           |   2 +-
> >   hw/net/vhost-pci-net.c                         | 364 +++++++++++++
> >   hw/net/vhost_net.c                             |  39 ++
> >   hw/virtio/Makefile.objs                        |   7 +-
> >   hw/virtio/vhost-pci-slave.c                    | 676 
> > +++++++++++++++++++++++++
> >   hw/virtio/vhost-stub.c                         |  22 +
> >   hw/virtio/vhost-user.c                         | 192 +++----
> >   hw/virtio/vhost.c                              |  63 ++-
> >   hw/virtio/virtio-bus.c                         |  19 +-
> >   hw/virtio/virtio-pci.c                         |  96 +++-
> >   hw/virtio/virtio-pci.h                         |  16 +
> >   hw/virtio/virtio.c                             |  32 +-
> >   include/hw/pci/pci.h                           |   1 +
> >   include/hw/virtio/vhost-backend.h              |   2 +
> >   include/hw/virtio/vhost-pci-net.h              |  40 ++
> >   include/hw/virtio/vhost-pci-slave.h            |  64 +++
> >   include/hw/virtio/vhost-user.h                 | 110 ++++
> >   include/hw/virtio/vhost.h                      |   3 +
> >   include/hw/virtio/virtio.h                     |   2 +
> >   include/net/vhost-user.h                       |  22 +-
> >   include/net/vhost_net.h                        |   2 +
> >   include/standard-headers/linux/vhost_pci_net.h |  74 +++
> >   include/standard-headers/linux/virtio_ids.h    |   1 +
> >   net/vhost-user.c                               |  37 +-
> >   qemu-options.hx                                |   4 +
> >   vl.c                                           |  46 ++
> >   26 files changed, 1796 insertions(+), 140 deletions(-)
> >   create mode 100644 hw/net/vhost-pci-net.c
> >   create mode 100644 hw/virtio/vhost-pci-slave.c
> >   create mode 100644 include/hw/virtio/vhost-pci-net.h
> >   create mode 100644 include/hw/virtio/vhost-pci-slave.h
> >   create mode 100644 include/hw/virtio/vhost-user.h
> >   create mode 100644 include/standard-headers/linux/vhost_pci_net.h
>
> Hi:
>
> Care to post the driver codes too?
OK. It may take some time to clean up the driver code before post it 
out. You can first
have a check of the draft at the repo here:
https://github.com/wei-w-wang/vhost-pci-driver

Best,
Wei