compress/mlx5: support basic control operations

Add initial support for the next operations:
	- dev_configure
	- dev_close
	- dev_infos_get

Signed-off-by: Matan Azrad <matan@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>

diff --git a/drivers/compress/mlx5/mlx5_compress.c b/drivers/compress/mlx5/mlx5_compress.c
index 604044c..efb77d0 100644 (file)
--- a/drivers/compress/mlx5/mlx5_compress.c
+++ b/drivers/compress/mlx5/mlx5_compress.c
@@ -21,6 +21,7 @@
 
 #define MLX5_COMPRESS_DRIVER_NAME mlx5_compress
 #define MLX5_COMPRESS_LOG_NAME    pmd.compress.mlx5
+#define MLX5_COMPRESS_MAX_QPS 1024
 
 struct mlx5_compress_priv {
        TAILQ_ENTRY(mlx5_compress_priv) next;
@@ -32,6 +33,7 @@ struct mlx5_compress_priv {
        uint8_t min_block_size;
        /* Minimum huffman block size supported by the device. */
        struct ibv_pd *pd;
+       struct rte_compressdev_config dev_config;
 };
 
 TAILQ_HEAD(mlx5_compress_privs, mlx5_compress_priv) mlx5_compress_priv_list =
@@ -40,12 +42,47 @@ static pthread_mutex_t priv_list_lock = PTHREAD_MUTEX_INITIALIZER;
 
 int mlx5_compress_logtype;
 
+const struct rte_compressdev_capabilities mlx5_caps[RTE_COMP_ALGO_LIST_END];
+
+
+static void
+mlx5_compress_dev_info_get(struct rte_compressdev *dev,
+                          struct rte_compressdev_info *info)
+{
+       RTE_SET_USED(dev);
+       if (info != NULL) {
+               info->max_nb_queue_pairs = MLX5_COMPRESS_MAX_QPS;
+               info->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
+               info->capabilities = mlx5_caps;
+       }
+}
+
+static int
+mlx5_compress_dev_configure(struct rte_compressdev *dev,
+                           struct rte_compressdev_config *config)
+{
+       struct mlx5_compress_priv *priv;
+
+       if (dev == NULL || config == NULL)
+               return -EINVAL;
+       priv = dev->data->dev_private;
+       priv->dev_config = *config;
+       return 0;
+}
+
+static int
+mlx5_compress_dev_close(struct rte_compressdev *dev)
+{
+       RTE_SET_USED(dev);
+       return 0;
+}
+
 static struct rte_compressdev_ops mlx5_compress_ops = {
-       .dev_configure          = NULL,
+       .dev_configure          = mlx5_compress_dev_configure,
        .dev_start              = NULL,
        .dev_stop               = NULL,
-       .dev_close              = NULL,
-       .dev_infos_get          = NULL,
+       .dev_close              = mlx5_compress_dev_close,
+       .dev_infos_get          = mlx5_compress_dev_info_get,
        .stats_get              = NULL,
        .stats_reset            = NULL,
        .queue_pair_setup       = NULL,