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vhost-vdpa: negotiate VIRTIO_NET_F_STATUS with driver 

Vendor driver may not support or implement config
interrupt delivery for link status notifications.
In this event, vendor driver is expected to NACK
the feature, but guest will keep link always up.

Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Message-Id: <1601582985-14944-1-git-send-email-si-wei.liu@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Si-Wei Liu 2020-10-01 16:09:45 -04:00 committed by Michael S. Tsirkin
parent 802427bcda
commit 9aa47edd4e
1 changed files with 1 additions and 0 deletions
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1
net/vhost-vdpa.c
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@ -55,6 +55,7 @@ const int vdpa_feature_bits[] = {
VIRTIO_F_IOMMU_PLATFORM,
VIRTIO_F_RING_PACKED,
VIRTIO_NET_F_GUEST_ANNOUNCE,
VIRTIO_NET_F_STATUS,
VHOST_INVALID_FEATURE_BIT
};