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authorDragos Tatulea <dtatulea@nvidia.com>2024-06-26 12:26:48 +0200
committerMichael S. Tsirkin <mst@redhat.com>2024-07-09 14:42:46 +0200
commitad9758fdafeeee52b4b31cad20acfaa8adca8b6a (patch)
treefcfb6a3fad4c84f9904812cdf997baabc8cad196 /drivers/vdpa
parentvdpa/mlx5: Add support for modifying the VQ features field (diff)
downloadlinux-ad9758fdafeeee52b4b31cad20acfaa8adca8b6a.tar.xz
linux-ad9758fdafeeee52b4b31cad20acfaa8adca8b6a.zip
vdpa/mlx5: Set an initial size on the VQ
The virtqueue size is a pre-requisite for setting up any virtqueue resources. For the upcoming optimization of creating virtqueues at device add, the virtqueue size has to be configured. The queue size check in setup_vq() will always be false. So remove it. Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Message-Id: <20240626-stage-vdpa-vq-precreate-v2-12-560c491078df@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.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index db86e541b788..406cc590fe42 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -58,6 +58,8 @@ MODULE_LICENSE("Dual BSD/GPL");
*/
#define MLX5V_DEFAULT_VQ_COUNT 2
+#define MLX5V_DEFAULT_VQ_SIZE 256
+
struct mlx5_vdpa_cq_buf {
struct mlx5_frag_buf_ctrl fbc;
struct mlx5_frag_buf frag_buf;
@@ -1445,9 +1447,6 @@ static int setup_vq(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *mvq)
u16 idx = mvq->index;
int err;
- if (!mvq->num_ent)
- return 0;
-
if (mvq->initialized)
return 0;
@@ -3523,6 +3522,7 @@ static void mvqs_set_defaults(struct mlx5_vdpa_net *ndev)
mvq->ndev = ndev;
mvq->fwqp.fw = true;
mvq->fw_state = MLX5_VIRTIO_NET_Q_OBJECT_NONE;
+ mvq->num_ent = MLX5V_DEFAULT_VQ_SIZE;
}
}