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

[Wei Wang <wei.w.wang@intel.com>]

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