Commit ab7d228c authored by Patrisious Haddad's avatar Patrisious Haddad Committed by Leon Romanovsky
Browse files

net/mlx5: Query ADV_RDMA capabilities 



Query ADV_RDMA capabilities which provide information for
advanced RDMA related features.

Signed-off-by: default avatarPatrisious Haddad <phaddad@nvidia.com>
Reviewed-by: default avatarMark Bloch <mbloch@nvidia.com>
Link: https://patch.msgid.link/e3e6ede03ea31cd201078dcdd4e407608e4a5a87.1740574103.git.leon@kernel.org


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent f9deed09

drivers/net/ethernet/mellanox/mlx5/core/fw.c

+7 −0
Original line number Diff line number Diff line
@@ -287,6 +287,13 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev) 
			return err;

	}



	if (MLX5_CAP_GEN(dev, adv_rdma)) {

		err = mlx5_core_get_caps_mode(dev, MLX5_CAP_ADV_RDMA,

					      HCA_CAP_OPMOD_GET_CUR);

		if (err)

			return err;

	}



	return 0;

}

drivers/net/ethernet/mellanox/mlx5/core/main.c

+1 −0
Original line number Diff line number Diff line
@@ -1795,6 +1795,7 @@ static const int types[] = { 
	MLX5_CAP_ADV_VIRTUALIZATION,

	MLX5_CAP_CRYPTO,

	MLX5_CAP_SHAMPO,

	MLX5_CAP_ADV_RDMA,

};



static void mlx5_hca_caps_free(struct mlx5_core_dev *dev)

include/linux/mlx5/device.h

+5 −0
Original line number Diff line number Diff line
@@ -1251,6 +1251,7 @@ enum mlx5_cap_type { 
	MLX5_CAP_GENERAL_2 = 0x20,

	MLX5_CAP_PORT_SELECTION = 0x25,

	MLX5_CAP_ADV_VIRTUALIZATION = 0x26,

	MLX5_CAP_ADV_RDMA = 0x28,

	/* NUM OF CAP Types */

	MLX5_CAP_NUM

};
@@ -1384,6 +1385,10 @@ enum mlx5_qcam_feature_groups { 
	MLX5_GET(adv_virtualization_cap, \

		 mdev->caps.hca[MLX5_CAP_ADV_VIRTUALIZATION]->cur, cap)



#define MLX5_CAP_ADV_RDMA(mdev, cap) \

	MLX5_GET(adv_rdma_cap, \

		 mdev->caps.hca[MLX5_CAP_ADV_RDMA]->cur, cap)



#define MLX5_CAP_FLOWTABLE_PORT_SELECTION(mdev, cap) \

	MLX5_CAP_PORT_SELECTION(mdev, flow_table_properties_port_selection.cap)

include/linux/mlx5/mlx5_ifc.h

+41 −1
Original line number Diff line number Diff line
@@ -1993,7 +1993,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { 
	u8         max_geneve_tlv_options[0x8];

	u8         reserved_at_568[0x3];

	u8         max_geneve_tlv_option_data_len[0x5];

	u8         reserved_at_570[0x9];

	u8         reserved_at_570[0x1];

	u8         adv_rdma[0x1];

	u8         reserved_at_572[0x7];

	u8         adv_virtualization[0x1];

	u8         reserved_at_57a[0x6];
@@ -13076,6 +13078,44 @@ struct mlx5_ifc_load_vhca_state_out_bits { 
	u8         reserved_at_40[0x40];

};



struct mlx5_ifc_adv_rdma_cap_bits {

	u8         rdma_transport_manager[0x1];

	u8         rdma_transport_manager_other_eswitch[0x1];

	u8         reserved_at_2[0x1e];



	u8         rcx_type[0x8];

	u8         reserved_at_28[0x2];

	u8         ps_entry_log_max_value[0x6];

	u8         reserved_at_30[0x6];

	u8         qp_max_ps_num_entry[0xa];



	u8         mp_max_num_queues[0x8];

	u8         ps_user_context_max_log_size[0x8];

	u8         message_based_qp_and_striding_wq[0x8];

	u8         reserved_at_58[0x8];



	u8         max_receive_send_message_size_stride[0x10];

	u8         reserved_at_70[0x10];



	u8         max_receive_send_message_size_byte[0x20];



	u8         reserved_at_a0[0x160];



	struct mlx5_ifc_flow_table_prop_layout_bits rdma_transport_rx_flow_table_properties;



	struct mlx5_ifc_flow_table_prop_layout_bits rdma_transport_tx_flow_table_properties;



	struct mlx5_ifc_flow_table_fields_supported_2_bits rdma_transport_rx_ft_field_support_2;



	struct mlx5_ifc_flow_table_fields_supported_2_bits rdma_transport_tx_ft_field_support_2;



	struct mlx5_ifc_flow_table_fields_supported_2_bits rdma_transport_rx_ft_field_bitmask_support_2;



	struct mlx5_ifc_flow_table_fields_supported_2_bits rdma_transport_tx_ft_field_bitmask_support_2;



	u8         reserved_at_800[0x3800];

};



struct mlx5_ifc_adv_virtualization_cap_bits {

	u8         reserved_at_0[0x3];

	u8         pg_track_log_max_num[0x5];