diff options
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/mlx5/core/resources.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c index 6521cbd0f5c2..836ab9ef0fa6 100644 --- a/drivers/vdpa/mlx5/core/resources.c +++ b/drivers/vdpa/mlx5/core/resources.c @@ -54,6 +54,9 @@ static int create_uctx(struct mlx5_vdpa_dev *mvdev, u16 *uid) void *in; int err; + if (MLX5_CAP_GEN(mvdev->mdev, umem_uid_0)) + return 0; + /* 0 means not supported */ if (!MLX5_CAP_GEN(mvdev->mdev, log_max_uctx)) return -EOPNOTSUPP; @@ -79,6 +82,9 @@ static void destroy_uctx(struct mlx5_vdpa_dev *mvdev, u32 uid) u32 out[MLX5_ST_SZ_DW(destroy_uctx_out)] = {}; u32 in[MLX5_ST_SZ_DW(destroy_uctx_in)] = {}; + if (!uid) + return; + MLX5_SET(destroy_uctx_in, in, opcode, MLX5_CMD_OP_DESTROY_UCTX); MLX5_SET(destroy_uctx_in, in, uid, uid); |