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vhost-vdpa: introduce vhost-vdpa net client

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This patch set introduces a new net client type: vhost-vdpa.
vhost-vdpa net client will set up a vDPA device which is specified
by a "vhostdev" parameter.

Signed-off-by: Lingshan Zhu <lingshan.zhu@intel.com>
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Signed-off-by: Cindy Lu <lulu@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20200701145538.22333-15-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Cindy Lu 2020-07-01 22:55:38 +08:00 • committed by Michael S. Tsirkin
parent 108a64818e
commit 1e0a84ea49
6 changed files with 282 additions and 3 deletions
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28
qapi/net.json
View file

@ -428,16 +428,39 @@
'*vhostforce': 'bool',
'*queues': 'int' } }
##
# @NetdevVhostVDPAOptions:
#
# Vhost-vdpa network backend
#
# vDPA device is a device that uses a datapath which complies with the virtio
# specifications with a vendor specific control path.
#
# @vhostdev: path of vhost-vdpa device
# (default:'/dev/vhost-vdpa-0')
#
# @queues: number of queues to be created for multiqueue vhost-vdpa
# (default: 1)
#
# Since: 5.1
##
{ 'struct': 'NetdevVhostVDPAOptions',
'data': {
'*vhostdev': 'str',
'*queues': 'int' } }
##
# @NetClientDriver:
#
# Available netdev drivers.
#
# Since: 2.7
#
# @vhost-vdpa since 5.1
##
{ 'enum': 'NetClientDriver',
'data': [ 'none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde',
'bridge', 'hubport', 'netmap', 'vhost-user' ] }
'bridge', 'hubport', 'netmap', 'vhost-user', 'vhost-vdpa' ] }
##
# @Netdev:
@ -465,7 +488,8 @@
'bridge': 'NetdevBridgeOptions',
'hubport': 'NetdevHubPortOptions',
'netmap': 'NetdevNetmapOptions',
'vhost-user': 'NetdevVhostUserOptions' } }
'vhost-user': 'NetdevVhostUserOptions',
'vhost-vdpa': 'NetdevVhostVDPAOptions' } }
##
# @NetFilterDirection: