On 12/1/2021 11:57 AM, Eli Cohen wrote:
Report back in get_vq_num_max() the correct number of virtqueues queried
from the device instead of using a constant value.
Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>
---
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 62aba5dbd8fa..336eda3dcf41 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -1992,10 +1992,10 @@ static void mlx5_vdpa_set_config_cb(struct vdpa_device *vdev, struct vdpa_callba
ndev->config_cb = *cb;
}
-#define MLX5_VDPA_MAX_VQ_ENTRIES 256
static u16 mlx5_vdpa_get_vq_num_max(struct vdpa_device *vdev)
{
- return MLX5_VDPA_MAX_VQ_ENTRIES;
+ struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
+ return MLX5_CAP_DEV_VDPA_EMULATION(mvdev->mdev, max_num_virtio_queues);
This denotes the size i.e. # of descriptor entries in a virtqueue,
rather the total number of virtqueues. You need to add another op
(vdpa_net specific) to get this info.
-Siwei
}
static u32 mlx5_vdpa_get_device_id(struct vdpa_device *vdev)
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