From: Patrisious Haddad <phaddad@xxxxxxxxxx>
Query ADV_RDMA capabilities which provide information for
advanced RDMA related features.
Signed-off-by: Patrisious Haddad <phaddad@xxxxxxxxxx>
Reviewed-by: Mark Bloch <mbloch@xxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx5/core/fw.c | 7 ++++
.../net/ethernet/mellanox/mlx5/core/main.c | 1 +
include/linux/mlx5/device.h | 5 +++
include/linux/mlx5/mlx5_ifc.h | 42 ++++++++++++++++++-
4 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index b253d1673398..57476487e31f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -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;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index ec956c4bcebd..af0b677393d0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -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)
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index fd37f4e54d76..0ae6d69c5221 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -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)
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 3b3d88ffcacc..fea8af42f954 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -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];
--
2.48.1
