[dpdk-dev] [RFC 3/8] common/mlx5: add read ASO flow meter HCA capability

[Li Zhang <lizh@nvidia.com>]

Read and store the device capability of FLOW_METER_ASO general object,
using the DevX API.

Signed-off-by: Li Zhang <lizh@nvidia.com>
---
 drivers/common/mlx5/mlx5_devx_cmds.c | 14 ++++++++++++++
 drivers/common/mlx5/mlx5_devx_cmds.h |  8 ++++++++
 2 files changed, 22 insertions(+)

diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index 485363192d..765553ed6b 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -698,6 +698,9 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
 	attr->max_geneve_tlv_option_data_len = MLX5_GET(cmd_hca_cap, hcattr,
 			max_geneve_tlv_option_data_len);
 	attr->qos.sup = MLX5_GET(cmd_hca_cap, hcattr, qos);
+	attr->qos.flow_meter_aso_sup = !!(MLX5_GET64(cmd_hca_cap, hcattr,
+					 general_obj_types) &
+			      MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_METER_ASO);
 	attr->vdpa.valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
 					 general_obj_types) &
 			      MLX5_GENERAL_OBJ_TYPES_CAP_VIRTQ_NET_Q);
@@ -756,6 +759,17 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
 				MLX5_GET(qos_cap, hcattr, packet_pacing);
 		attr->qos.wqe_rate_pp =
 				MLX5_GET(qos_cap, hcattr, wqe_rate_pp);
+		if (attr->qos.flow_meter_aso_sup) {
+			attr->qos.log_meter_aso_granularity =
+				MLX5_GET(qos_cap, hcattr,
+					log_meter_aso_granularity);
+			attr->qos.log_meter_aso_max_alloc =
+				MLX5_GET(qos_cap, hcattr,
+					log_meter_aso_max_alloc);
+			attr->qos.log_max_num_meter_aso =
+				MLX5_GET(qos_cap, hcattr,
+					log_max_num_meter_aso);
+		}
 	}
 	if (attr->vdpa.valid)
 		mlx5_devx_cmd_query_hca_vdpa_attr(ctx, &attr->vdpa);
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index e0638f2064..13338c0e39 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -42,10 +42,18 @@ struct mlx5_hca_qos_attr {
 	uint32_t wqe_rate_pp:1; /* Packet pacing WQE rate mode. */
 	uint32_t flow_meter_reg_share:1;
 	/* Whether reg_c share is supported. */
+	uint32_t flow_meter_aso_sup:1;
+	/* Whether FLOW_METER_ASO Object is supported. */
 	uint8_t log_max_flow_meter;
 	/* Power of the maximum supported meters. */
 	uint8_t flow_meter_reg_c_ids;
 	/* Bitmap of the reg_Cs available for flow meter to use. */
+	uint32_t log_meter_aso_granularity:5;
+	/* Power of the minimum allocation granularity Object. */
+	uint32_t log_meter_aso_max_alloc:5;
+	/* Power of the maximum allocation granularity Object. */
+	uint32_t log_max_num_meter_aso:5;
+	/* Power of the maximum number of supported objects. */
 
 };
 
-- 
2.27.0