[dpdk-dev] [PATCH 0/3] Add VHOST PMD

[Tetsuya Mukawa]

The patch introduces a new PMD. This PMD is implemented as thin wrapper
of librte_vhost. The patch will work on below patch series.
 - [PATCH v5 00/28] remove pci driver from vdevs

* Known issue.
We may see issues while handling RESET_OWNER message.
These handlings are done in vhost library, so not a part of vhost PMD.
So far, we are waiting for QEMU fixing.

PATCH v4 changes:
 - Support vhost multiple queues.
 - Rebase on "remove pci driver from vdevs".
 - Optimize RX/TX functions.
 - Fix resource leaks.
 - Fix compile issue.
 - Add patch to fix vhost library.

PATCH v3 changes:
 - Optimize performance.
   In RX/TX functions, change code to access only per core data.
 - Add below API to allow user to use vhost library APIs for a port managed
   by vhost PMD. There are a few limitations. See "rte_eth_vhost.h".
    - rte_eth_vhost_portid2vdev()
   To support this functionality, vhost library is also changed.
   Anyway, if users doesn't use vhost PMD, can fully use vhost library APIs.
 - Add code to support vhost multiple queues.
   Actually, multiple queues functionality is not enabled so far.

PATCH v2 changes:
 - Fix issues reported by checkpatch.pl
   (Thanks to Stephen Hemminger)


Tetsuya Mukawa (3):
  vhost: Fix wrong handling of virtqueue array index
  vhost: Add callback and private data for vhost PMD
  vhost: Add VHOST PMD

 config/common_linuxapp                        |   6 +
 doc/guides/nics/index.rst                     |   1 +
 doc/guides/nics/vhost.rst                     |  82 +++
 doc/guides/rel_notes/release_2_2.rst          |   2 +
 drivers/net/Makefile                          |   4 +
 drivers/net/vhost/Makefile                    |  62 +++
 drivers/net/vhost/rte_eth_vhost.c             | 765 ++++++++++++++++++++++++++
 drivers/net/vhost/rte_eth_vhost.h             |  65 +++
 drivers/net/vhost/rte_pmd_vhost_version.map   |   8 +
 lib/librte_vhost/rte_vhost_version.map        |   6 +
 lib/librte_vhost/rte_virtio_net.h             |   3 +
 lib/librte_vhost/vhost_user/virtio-net-user.c |  33 +-
 lib/librte_vhost/virtio-net.c                 |  61 +-
 lib/librte_vhost/virtio-net.h                 |   4 +-
 mk/rte.app.mk                                 |   8 +-
 15 files changed, 1085 insertions(+), 25 deletions(-)
 create mode 100644 doc/guides/nics/vhost.rst
 create mode 100644 drivers/net/vhost/Makefile
 create mode 100644 drivers/net/vhost/rte_eth_vhost.c
 create mode 100644 drivers/net/vhost/rte_eth_vhost.h
 create mode 100644 drivers/net/vhost/rte_pmd_vhost_version.map

-- 
2.1.4