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 v2
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

Cindy Lu (10):
  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-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.c                |  35 ++-
 hw/net/virtio-net.c               |  20 ++
 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 ++
 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 +
 23 files changed, 978 insertions(+), 30 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

-- 
2.21.1

Patchew URL: https://patchew.org/QEMU/20200701092449.17451-1-lulu@redhat.com/



Hi,

This series failed the docker-quick@centos7 build test. Please find the testing commands and
their output below. If you have Docker installed, you can probably reproduce it
locally.

=== TEST SCRIPT BEGIN ===
#!/bin/bash
make docker-image-centos7 V=1 NETWORK=1
time make docker-test-quick@centos7 SHOW_ENV=1 J=14 NETWORK=1
=== TEST SCRIPT END ===

  TEST    iotest-qcow2: 039
Broken pipe
/tmp/qemu-test/src/tests/qtest/libqtest.c:175: kill_qemu() detected QEMU death from signal 11 (Segmentation fault) (core dumped)
ERROR - too few tests run (expected 4, got 1)
make: *** [check-qtest-x86_64] Error 1
make: *** Waiting for unfinished jobs....
qemu-system-aarch64: -accel kvm: invalid accelerator kvm
qemu-system-aarch64: falling back to tcg
---
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['sudo', '-n', 'docker', 'run', '--label', 'com.qemu.instance.uuid=63e80a61b9a949878e719ebcc62e165b', '-u', '1003', '--security-opt', 'seccomp=unconfined', '--rm', '-e', 'TARGET_LIST=', '-e', 'EXTRA_CONFIGURE_OPTS=', '-e', 'V=', '-e', 'J=14', '-e', 'DEBUG=', '-e', 'SHOW_ENV=1', '-e', 'CCACHE_DIR=/var/tmp/ccache', '-v', '/home/patchew2/.cache/qemu-docker-ccache:/var/tmp/ccache:z', '-v', '/var/tmp/patchew-tester-tmp-vriwkat5/src/docker-src.2020-07-01-05.38.01.23726:/var/tmp/qemu:z,ro', 'qemu:centos7', '/var/tmp/qemu/run', 'test-quick']' returned non-zero exit status 2.
filter=--filter=label=com.qemu.instance.uuid=63e80a61b9a949878e719ebcc62e165b
make[1]: *** [docker-run] Error 1
make[1]: Leaving directory `/var/tmp/patchew-tester-tmp-vriwkat5/src'
make: *** [docker-run-test-quick@centos7] Error 2

real    15m51.159s
user    0m9.070s


The full log is available at
http://patchew.org/logs/20200701092449.17451-1-lulu@redhat.com/testing.docker-quick@centos7/?type=message.
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