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vhost_net: do not assume nvqs is always 2

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This patch switches to initialize dev.nvqs from the VhostNetOptions
instead of assuming it was 2. This is useful for implementing control
virtqueue support which will be a single vhost_net structure with a
single cvq.

Note that nvqs is still set to 2 for all users and this patch does not
change functionality.

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20210903091031.47303-6-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang 2021-09-03 17:10:15 +08:00 • committed by Michael S. Tsirkin
parent 5fc13603a6
commit 6a756d1495
5 changed files with 5 additions and 1 deletions
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1
net/vhost-user.c
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@ -85,6 +85,7 @@ static int vhost_user_start(int queues, NetClientState *ncs[],
options.net_backend = ncs[i];
options.opaque = be;
options.busyloop_timeout = 0;
options.nvqs = 2;
net = vhost_net_init(&options);
if (!net) {
error_report("failed to init vhost_net for queue %d", i);