Author: kib
Date: Mon Sep  7 10:50:17 2020
New Revision: 365411
URL: https://svnweb.freebsd.org/changeset/base/365411

Log:
  MFC r365000:
  mlx5_core: add mlx5_query_pddr().

Modified:
  stable/11/sys/dev/mlx5/mlx5_core/mlx5_port.c
  stable/11/sys/dev/mlx5/mlx5_ifc.h
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/dev/mlx5/mlx5_core/mlx5_port.c
==============================================================================
--- stable/11/sys/dev/mlx5/mlx5_core/mlx5_port.c        Mon Sep  7 10:49:42 
2020        (r365410)
+++ stable/11/sys/dev/mlx5/mlx5_core/mlx5_port.c        Mon Sep  7 10:50:17 
2020        (r365411)
@@ -1175,19 +1175,29 @@ out:
        return err;
 }
 
+static int mlx5_query_pddr(struct mlx5_core_dev *mdev,
+    u8 local_port, int page_select, u32 *out, int outlen)
+{
+       u32 in[MLX5_ST_SZ_DW(pddr_reg)] = {0};
+
+       if (!MLX5_CAP_PCAM_REG(mdev, pddr))
+               return -EOPNOTSUPP;
+
+       MLX5_SET(pddr_reg, in, local_port, local_port);
+       MLX5_SET(pddr_reg, in, page_select, page_select);
+
+       return mlx5_core_access_reg(mdev, in, sizeof(in), out, outlen, 
MLX5_REG_PDDR, 0, 0);
+}
+
 int mlx5_query_pddr_range_info(struct mlx5_core_dev *mdev, u8 local_port, u8 
*is_er_type)
 {
        u32 pddr_reg[MLX5_ST_SZ_DW(pddr_reg)] = {};
-       int sz = MLX5_ST_SZ_BYTES(pddr_reg);
        int error;
        u8 ecc;
        u8 ci;
 
-       MLX5_SET(pddr_reg, pddr_reg, local_port, local_port);
-       MLX5_SET(pddr_reg, pddr_reg, page_select, 3 /* module info page */);
-
-       error = mlx5_core_access_reg(mdev, pddr_reg, sz, pddr_reg, sz,
-           MLX5_ACCESS_REG_SUMMARY_CTRL_ID_PDDR, 0, 0);
+       error = mlx5_query_pddr(mdev, local_port, MLX5_PDDR_MODULE_INFO_PAGE,
+           pddr_reg, sizeof(pddr_reg));
        if (error != 0)
                return (error);
 

Modified: stable/11/sys/dev/mlx5/mlx5_ifc.h
==============================================================================
--- stable/11/sys/dev/mlx5/mlx5_ifc.h   Mon Sep  7 10:49:42 2020        
(r365410)
+++ stable/11/sys/dev/mlx5/mlx5_ifc.h   Mon Sep  7 10:50:17 2020        
(r365411)
@@ -756,10 +756,6 @@ struct mlx5_ifc_flow_table_nic_cap_bits {
        u8         reserved_1[0x7200];
 };
 
-enum {
-       MLX5_ACCESS_REG_SUMMARY_CTRL_ID_PDDR                   = 0x5031,
-};
-
 struct mlx5_ifc_pddr_module_info_bits {
        u8         cable_technology[0x8];
        u8         cable_breakout[0x8];
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