diff options
| author | Dragos Tatulea <dtatulea@nvidia.com> | 2023-12-25 16:12:00 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-01-10 19:01:38 +0100 |
| commit | 60c43b3f6b4eb5a3d672952a0d65991f414ea258 (patch) | |
| tree | f2689a69f81eab35c08ba626718fd80ed85dbbf3 /drivers/vdpa | |
| parent | vdpa/mlx5: Mark vq addrs for modification in hw vq (diff) | |
| download | linux-60c43b3f6b4eb5a3d672952a0d65991f414ea258.tar.xz linux-60c43b3f6b4eb5a3d672952a0d65991f414ea258.zip | |
vdpa/mlx5: Mark vq state for modification in hw vq
.set_vq_state will set the indices and mark the fields to be modified in
the hw vq.
Advertise that the device supports changing the vq state when the device
is in DRIVER_OK state and suspended.
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20231225151203.152687-6-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/mlx5/net/mlx5_vnet.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 80e066de0866..d6c8506cec8f 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1249,6 +1249,12 @@ static int modify_virtqueue(struct mlx5_vdpa_net *ndev, MLX5_SET64(virtio_q, vq_ctx, available_addr, mvq->driver_addr); } + if (mvq->modified_fields & MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_AVAIL_IDX) + MLX5_SET(virtio_net_q_object, obj_context, hw_available_index, mvq->avail_idx); + + if (mvq->modified_fields & MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_USED_IDX) + MLX5_SET(virtio_net_q_object, obj_context, hw_used_index, mvq->used_idx); + MLX5_SET64(virtio_net_q_object, obj_context, modify_field_select, mvq->modified_fields); err = mlx5_cmd_exec(ndev->mvdev.mdev, in, inlen, out, sizeof(out)); if (err) @@ -2328,6 +2334,8 @@ static int mlx5_vdpa_set_vq_state(struct vdpa_device *vdev, u16 idx, mvq->used_idx = state->split.avail_index; mvq->avail_idx = state->split.avail_index; + mvq->modified_fields |= MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_AVAIL_IDX | + MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_USED_IDX; return 0; } |