mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-30 06:10:56 +00:00
mlx5_vdpa: offer VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK
Offer this backend feature as mlx5 is compatible with it. It allows it to do live migration with CVQ, dynamically switching between passthrough and shadow virtqueue. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Message-Id: <20230703142514.363256-1-eperezma@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
parent
5dc31bd245
commit
c695964474
1 changed files with 7 additions and 0 deletions
|
@ -7,6 +7,7 @@
|
|||
#include <uapi/linux/virtio_net.h>
|
||||
#include <uapi/linux/virtio_ids.h>
|
||||
#include <uapi/linux/vdpa.h>
|
||||
#include <uapi/linux/vhost_types.h>
|
||||
#include <linux/virtio_config.h>
|
||||
#include <linux/auxiliary_bus.h>
|
||||
#include <linux/mlx5/cq.h>
|
||||
|
@ -2559,6 +2560,11 @@ static void unregister_link_notifier(struct mlx5_vdpa_net *ndev)
|
|||
flush_workqueue(ndev->mvdev.wq);
|
||||
}
|
||||
|
||||
static u64 mlx5_vdpa_get_backend_features(const struct vdpa_device *vdpa)
|
||||
{
|
||||
return BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK);
|
||||
}
|
||||
|
||||
static int mlx5_vdpa_set_driver_features(struct vdpa_device *vdev, u64 features)
|
||||
{
|
||||
struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
|
||||
|
@ -3234,6 +3240,7 @@ static const struct vdpa_config_ops mlx5_vdpa_ops = {
|
|||
.get_vq_group = mlx5_vdpa_get_vq_group,
|
||||
.get_vq_desc_group = mlx5_vdpa_get_vq_desc_group, /* Op disabled if not supported. */
|
||||
.get_device_features = mlx5_vdpa_get_device_features,
|
||||
.get_backend_features = mlx5_vdpa_get_backend_features,
|
||||
.set_driver_features = mlx5_vdpa_set_driver_features,
|
||||
.get_driver_features = mlx5_vdpa_get_driver_features,
|
||||
.set_config_cb = mlx5_vdpa_set_config_cb,
|
||||
|
|
Loading…
Reference in a new issue