vfio/mlx5: Activate the chunk mode functionality

Now that all pieces are in place, activate the chunk mode functionality
based on device capabilities.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230911093856.81910-10-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

diff --git a/drivers/vfio/pci/mlx5/cmd.c b/drivers/vfio/pci/mlx5/cmd.c
index e68bf9ba53002c51d4145ce648ac4d790e43ebf1..efd1d252cdc95d6fef8b7fd25c4682205ac80a71 100644 (file)
--- a/drivers/vfio/pci/mlx5/cmd.c
+++ b/drivers/vfio/pci/mlx5/cmd.c
@@ -261,6 +261,9 @@ void mlx5vf_cmd_set_migratable(struct mlx5vf_pci_core_device *mvdev,
                mvdev->core_device.vdev.migration_flags |=
                        VFIO_MIGRATION_PRE_COPY;
 
+       if (MLX5_CAP_GEN_2(mvdev->mdev, migration_in_chunks))
+               mvdev->chunk_mode = 1;
+
 end:
        mlx5_vf_put_core_dev(mvdev->mdev);
 }