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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/port.c10
-rw-r--r--include/linux/mlx5/driver.h1
-rw-r--r--include/linux/mlx5/mlx5_ifc.h14
4 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index 6b14e347d914..a79b7959361b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -243,6 +243,7 @@ int mlx5_query_mcam_reg(struct mlx5_core_dev *dev, u32 *mcap, u8 feature_group,
u8 access_reg_group);
int mlx5_query_qcam_reg(struct mlx5_core_dev *mdev, u32 *qcam,
u8 feature_group, u8 access_reg_group);
+int mlx5_query_mpir_reg(struct mlx5_core_dev *dev, u32 *mpir);
void mlx5_lag_add_netdev(struct mlx5_core_dev *dev, struct net_device *netdev);
void mlx5_lag_remove_netdev(struct mlx5_core_dev *dev, struct net_device *netdev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 7d8c732818f2..7fba1c46e2ac 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -1206,3 +1206,13 @@ int mlx5_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed)
*speed = max_speed;
return 0;
}
+
+int mlx5_query_mpir_reg(struct mlx5_core_dev *dev, u32 *mpir)
+{
+ u32 in[MLX5_ST_SZ_DW(mpir_reg)] = {};
+ int sz = MLX5_ST_SZ_BYTES(mpir_reg);
+
+ MLX5_SET(mpir_reg, in, local_port, 1);
+
+ return mlx5_core_access_reg(dev, in, sz, mpir, sz, MLX5_REG_MPIR, 0, 0);
+}
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index d2b8d4a74a30..2f67cec1a898 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -150,6 +150,7 @@ enum {
MLX5_REG_MTPPSE = 0x9054,
MLX5_REG_MTUTC = 0x9055,
MLX5_REG_MPEGC = 0x9056,
+ MLX5_REG_MPIR = 0x9059,
MLX5_REG_MCQS = 0x9060,
MLX5_REG_MCQI = 0x9061,
MLX5_REG_MCC = 0x9062,
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 405d141b4a08..828938368fb7 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -10108,6 +10108,20 @@ struct mlx5_ifc_mpegc_reg_bits {
u8 reserved_at_60[0x100];
};
+struct mlx5_ifc_mpir_reg_bits {
+ u8 sdm[0x1];
+ u8 reserved_at_1[0x1b];
+ u8 host_buses[0x4];
+
+ u8 reserved_at_20[0x20];
+
+ u8 local_port[0x8];
+ u8 reserved_at_28[0x15];
+ u8 sd_group[0x3];
+
+ u8 reserved_at_60[0x20];
+};
+
enum {
MLX5_MTUTC_FREQ_ADJ_UNITS_PPB = 0x0,
MLX5_MTUTC_FREQ_ADJ_UNITS_SCALED_PPM = 0x1,