netdev - Re: [PATCH rdma-next v1 09/12] IB/mlx5: Register DEVX with mlx5

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Message-ID: <20190624115206.GB5479@mellanox.com>
Date:   Mon, 24 Jun 2019 11:52:09 +0000
From:   Jason Gunthorpe <jgg@...lanox.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     Doug Ledford <dledford@...hat.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Yishai Hadas <yishaih@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH rdma-next v1 09/12] IB/mlx5: Register DEVX with mlx5_core
 to get async events

On Tue, Jun 18, 2019 at 08:15:37PM +0300, Leon Romanovsky wrote:
>  void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
> diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
> index 9cf23ae6324e..556af34b788b 100644
> +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
> @@ -944,6 +944,13 @@ struct mlx5_ib_pf_eq {
>  	mempool_t *pool;
>  };
>  
> +struct mlx5_devx_event_table {
> +	struct mlx5_nb devx_nb;
> +	/* serialize updating the event_xa */
> +	struct mutex event_xa_lock;
> +	struct xarray event_xa;
> +};
> +
>  struct mlx5_ib_dev {
>  	struct ib_device		ib_dev;
>  	struct mlx5_core_dev		*mdev;
> @@ -994,6 +1001,7 @@ struct mlx5_ib_dev {
>  	struct mlx5_srq_table   srq_table;
>  	struct mlx5_async_ctx   async_ctx;
>  	int			free_port;
> +	struct mlx5_devx_event_table devx_event_table;

I really question if adding all these structs really does anything for
readability..

Jason