diff options
Diffstat (limited to 'drivers/vdpa/mlx5/net/mlx5_vnet.c')
| -rw-r--r-- | drivers/vdpa/mlx5/net/mlx5_vnet.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 2a31467f7ac5..3cc12fcab08d 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -526,7 +526,6 @@ static int cq_create(struct mlx5_vdpa_net *ndev, u16 idx, u32 num_ent) void __iomem *uar_page = ndev->mvdev.res.uar->map; u32 out[MLX5_ST_SZ_DW(create_cq_out)]; struct mlx5_vdpa_cq *vcq = &mvq->cq; - unsigned int irqn; __be64 *pas; int inlen; void *cqc; @@ -566,7 +565,7 @@ static int cq_create(struct mlx5_vdpa_net *ndev, u16 idx, u32 num_ent) /* Use vector 0 by default. Consider adding code to choose least used * vector. */ - err = mlx5_vector2eqn(mdev, 0, &eqn, &irqn); + err = mlx5_vector2eqn(mdev, 0, &eqn); if (err) goto err_vec; @@ -753,12 +752,12 @@ static int get_queue_type(struct mlx5_vdpa_net *ndev) type_mask = MLX5_CAP_DEV_VDPA_EMULATION(ndev->mvdev.mdev, virtio_queue_type); /* prefer split queue */ - if (type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED) - return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED; + if (type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT) + return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT; - WARN_ON(!(type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT)); + WARN_ON(!(type_mask & MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED)); - return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT; + return MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED; } static bool vq_is_tx(u16 idx) @@ -2030,6 +2029,12 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name) return -ENOSPC; mdev = mgtdev->madev->mdev; + if (!(MLX5_CAP_DEV_VDPA_EMULATION(mdev, virtio_queue_type) & + MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT)) { + dev_warn(mdev->device, "missing support for split virtqueues\n"); + return -EOPNOTSUPP; + } + /* we save one virtqueue for control virtqueue should we require it */ max_vqs = MLX5_CAP_DEV_VDPA_EMULATION(mdev, max_num_virtio_queues); max_vqs = min_t(u32, max_vqs, MLX5_MAX_SUPPORTED_VQS); |