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vdpa: Allow to configure max data virtqueues

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Add netlink support to configure the max virtqueue pairs for a device.
At least one pair is required. The maximum is dictated by the device.

Example:
$ vdpa dev add name vdpa-a mgmtdev auxiliary/mlx5_core.sf.1 max_vqp 4

Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20220105114646.577224-6-elic@nvidia.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eli Cohen
2022-01-05 13:46:37 +02:00
committed by Michael S. Tsirkin
parent 30ef7a8ac8
commit aba21aff77
4 changed files with 31 additions and 7 deletions
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2
drivers/virtio/virtio_vdpa.c
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@@ -317,7 +317,7 @@ static int virtio_vdpa_finalize_features(struct virtio_device *vdev)
/* Give virtio_ring a chance to accept features. */
vring_transport_features(vdev);
return vdpa_set_features(vdpa, vdev->features);
return vdpa_set_features(vdpa, vdev->features, false);
}
static const char *virtio_vdpa_bus_name(struct virtio_device *vdev)