[dpdk-dev] [RFC 4/8] common/mlx5: add DevX API to create ASO flow meter object

[Li Zhang <lizh@nvidia.com>]

Add DevX API to create ASO flow meter object.

Signed-off-by: Li Zhang <lizh@nvidia.com>
---
 drivers/common/mlx5/mlx5_devx_cmds.c | 54 ++++++++++++++++++++++++++++
 drivers/common/mlx5/mlx5_devx_cmds.h | 18 +++++++++-
 drivers/common/mlx5/version.map      |  3 +-
 3 files changed, 73 insertions(+), 2 deletions(-)

diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index 765553ed6b..742c6a4997 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -2068,6 +2068,60 @@ mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx, uint32_t pd)
 	return flow_hit_aso_obj;
 }
 
+/**
+ * Create general object of type FLOW_METER_ASO using DevX API.
+ *
+ * @param[in] ctx
+ *   Context returned from mlx5 open_device() glue function.
+ * @param [in] pd
+ *   PD value to associate the FLOW_METER_ASO object with.
+ * @param [in] log_obj_size
+ *   log_obj_size define to allocate number of 2 * meters
+ *   in one FLOW_METER_ASO object.
+ *
+ * @return
+ *   The DevX object created, NULL otherwise and rte_errno is set.
+ */
+struct mlx5_devx_obj *
+mlx5_devx_cmd_create_flow_meter_aso_obj(void *ctx, uint32_t pd,
+						uint32_t log_obj_size)
+{
+	uint32_t in[MLX5_ST_SZ_DW(create_flow_meter_aso_in)] = {0};
+	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
+	struct mlx5_devx_obj *flow_meter_aso_obj;
+	void *ptr;
+
+	flow_meter_aso_obj = mlx5_malloc(MLX5_MEM_ZERO,
+						sizeof(*flow_meter_aso_obj),
+						0, SOCKET_ID_ANY);
+	if (!flow_meter_aso_obj) {
+		DRV_LOG(ERR, "Failed to allocate FLOW_METER_ASO object data");
+		rte_errno = ENOMEM;
+		return NULL;
+	}
+	ptr = MLX5_ADDR_OF(create_flow_meter_aso_in, in, hdr);
+	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
+		MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
+	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
+		MLX5_GENERAL_OBJ_TYPE_FLOW_METER_ASO);
+	MLX5_SET(general_obj_in_cmd_hdr, ptr, log_obj_range,
+		log_obj_size);
+	ptr = MLX5_ADDR_OF(create_flow_meter_aso_in, in, flow_meter_aso);
+	MLX5_SET(flow_meter_aso, ptr, access_pd, pd);
+	flow_meter_aso_obj->obj = mlx5_glue->devx_obj_create(
+							ctx, in, sizeof(in),
+							out, sizeof(out));
+	if (!flow_meter_aso_obj->obj) {
+		rte_errno = errno;
+		DRV_LOG(ERR, "Failed to create FLOW_METER_ASO obj using DevX.");
+		mlx5_free(flow_meter_aso_obj);
+		return NULL;
+	}
+	flow_meter_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr,
+								out, obj_id);
+	return flow_meter_aso_obj;
+}
+
 /**
  * Create general object of type GENEVE TLV option using DevX API.
  *
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index 13338c0e39..dbd7b66257 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -517,5 +517,21 @@ int mlx5_devx_cmd_query_virtio_q_counters(struct mlx5_devx_obj *couners_obj,
 __rte_internal
 struct mlx5_devx_obj *mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx,
 							    uint32_t pd);
-
+/**
+ * Create general object of type FLOW_METER_ASO using DevX API..
+ *
+ * @param[in] ctx
+ *   Device context.
+ * @param [in] pd
+ *   PD value to associate the FLOW_METER_ASO object with.
+ * @param [in] log_obj_size
+ *   log_obj_size define to allocate number of 2 * meters
+ *   in one FLOW_METER_ASO object.
+ *
+ * @return
+ *   The DevX object created, NULL otherwise and rte_errno is set.
+ */
+__rte_internal
+struct mlx5_devx_obj *mlx5_devx_cmd_create_flow_meter_aso_obj(void *ctx,
+					uint32_t pd, uint32_t log_obj_size);
 #endif /* RTE_PMD_MLX5_DEVX_CMDS_H_ */
diff --git a/drivers/common/mlx5/version.map b/drivers/common/mlx5/version.map
index 3c403d2feb..51b6fd7326 100644
--- a/drivers/common/mlx5/version.map
+++ b/drivers/common/mlx5/version.map
@@ -21,7 +21,8 @@ INTERNAL {
 	mlx5_devx_cmd_create_tis;
 	mlx5_devx_cmd_create_virtio_q_counters;
 	mlx5_devx_cmd_create_virtq;
-        mlx5_devx_cmd_create_flow_hit_aso_obj;
+    mlx5_devx_cmd_create_flow_hit_aso_obj;
+	mlx5_devx_cmd_create_flow_meter_aso_obj;
 	mlx5_devx_cmd_create_geneve_tlv_option;
 	mlx5_devx_cmd_destroy;
 	mlx5_devx_cmd_flow_counter_alloc;
-- 
2.27.0