On Sun, May 30, 2021 at 11:35:48AM +0300, Eli Cohen wrote:
> Fix copy paste bug assigning umem1 size to umem2 and umem3. The issue
> was discovered when trying to use a 1:1 MR that covers the entire
> address space where firmware complained that provided sizes are not
> large enough.
.. creating the virtqueue then fails?
> 1:1 MRs are requied to support virtio_vdpa.
typo
>
> Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
> Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>
> ---
> V0 --> V1:
> Add more information in changelog
>
> drivers/vdpa/mlx5/net/mlx5_vnet.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> index 189e4385df40..53312f0460ad 100644
> --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
> +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> @@ -828,9 +828,9 @@ static int create_virtqueue(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtque
> MLX5_SET(virtio_q, vq_ctx, umem_1_id, mvq->umem1.id);
> MLX5_SET(virtio_q, vq_ctx, umem_1_size, mvq->umem1.size);
> MLX5_SET(virtio_q, vq_ctx, umem_2_id, mvq->umem2.id);
> - MLX5_SET(virtio_q, vq_ctx, umem_2_size, mvq->umem1.size);
> + MLX5_SET(virtio_q, vq_ctx, umem_2_size, mvq->umem2.size);
> MLX5_SET(virtio_q, vq_ctx, umem_3_id, mvq->umem3.id);
> - MLX5_SET(virtio_q, vq_ctx, umem_3_size, mvq->umem1.size);
> + MLX5_SET(virtio_q, vq_ctx, umem_3_size, mvq->umem3.size);
> MLX5_SET(virtio_q, vq_ctx, pd, ndev->mvdev.res.pdn);
> if (MLX5_CAP_DEV_VDPA_EMULATION(ndev->mvdev.mdev, eth_frame_offload_type))
> MLX5_SET(virtio_q, vq_ctx, virtio_version_1_0, 1);
> --
> 2.31.1
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