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vhost_net: add NetClientState->load() callback

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It allows per-net client operations right after device's successful
start. In particular, to load the device status.

Vhost-vdpa net will use it to add the CVQ buffers to restore the device
status.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Eugenio Pérez 2022-08-23 20:30:35 +02:00 • committed by Jason Wang
parent be4278b65f
commit 539573c317
2 changed files with 9 additions and 0 deletions
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7
hw/net/vhost_net.c
View file

@ -281,6 +281,13 @@ static int vhost_net_start_one(struct vhost_net *net,
}
}
}
if (net->nc->info->load) {
r = net->nc->info->load(net->nc);
if (r < 0) {
goto fail;
}
}
return 0;
fail:
file.fd = -1;