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path: root/drivers/vdpa/mlx5/net/mlx5_vnet.c
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Diffstat (limited to 'drivers/vdpa/mlx5/net/mlx5_vnet.c')
-rw-r--r--drivers/vdpa/mlx5/net/mlx5_vnet.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 35ed0749da28..804711140890 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -861,6 +861,8 @@ static int create_virtqueue(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtque
{
int inlen = MLX5_ST_SZ_BYTES(create_virtio_net_q_in);
u32 out[MLX5_ST_SZ_DW(create_virtio_net_q_out)] = {};
+ struct mlx5_vdpa_dev *mvdev = &ndev->mvdev;
+ struct mlx5_vdpa_mr *vq_mr;
void *obj_context;
u16 mlx_features;
void *cmd_hdr;
@@ -913,7 +915,9 @@ static int create_virtqueue(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtque
MLX5_SET64(virtio_q, vq_ctx, desc_addr, mvq->desc_addr);
MLX5_SET64(virtio_q, vq_ctx, used_addr, mvq->device_addr);
MLX5_SET64(virtio_q, vq_ctx, available_addr, mvq->driver_addr);
- MLX5_SET(virtio_q, vq_ctx, virtio_q_mkey, ndev->mvdev.mr->mkey);
+ vq_mr = mvdev->mr[mvdev->group2asid[MLX5_VDPA_DATAVQ_GROUP]];
+ if (vq_mr)
+ MLX5_SET(virtio_q, vq_ctx, virtio_q_mkey, vq_mr->mkey);
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);
@@ -2673,7 +2677,8 @@ static void restore_channels_info(struct mlx5_vdpa_net *ndev)
}
static int mlx5_vdpa_change_map(struct mlx5_vdpa_dev *mvdev,
- struct mlx5_vdpa_mr *new_mr, unsigned int asid)
+ struct mlx5_vdpa_mr *new_mr,
+ unsigned int asid)
{
struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev);
int err;
@@ -2692,8 +2697,10 @@ static int mlx5_vdpa_change_map(struct mlx5_vdpa_dev *mvdev,
restore_channels_info(ndev);
err = setup_driver(mvdev);
+ if (err)
+ return err;
- return err;
+ return 0;
}
/* reslock must be held for this function */
@@ -2913,8 +2920,8 @@ static int set_map_data(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
struct mlx5_vdpa_mr *new_mr;
int err;
- if (mvdev->group2asid[MLX5_VDPA_DATAVQ_GROUP] != asid)
- goto end;
+ if (asid >= MLX5_VDPA_NUM_AS)
+ return -EINVAL;
if (vhost_iotlb_itree_first(iotlb, 0, U64_MAX)) {
new_mr = mlx5_vdpa_create_mr(mvdev, iotlb);
@@ -2928,7 +2935,7 @@ static int set_map_data(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
new_mr = NULL;
}
- if (!mvdev->mr) {
+ if (!mvdev->mr[asid]) {
mlx5_vdpa_update_mr(mvdev, new_mr, asid);
} else {
err = mlx5_vdpa_change_map(mvdev, new_mr, asid);
@@ -2938,7 +2945,6 @@ static int set_map_data(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
}
}
-end:
return mlx5_vdpa_update_cvq_iotlb(mvdev, iotlb, asid);
out_err: