net/mlx5: SD, Add informative prints in kernel log

Print to kernel log when an SD group moves from/to ready state.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
index 3309f21d892efd9db1b1a95a715d965c0cd29926..f68942277c621b3ac8b9594f38c32edb64da3f63 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
@@ -373,6 +373,21 @@ static void sd_cmd_unset_secondary(struct mlx5_core_dev *secondary)
        mlx5_fs_cmd_set_l2table_entry_silent(secondary, 0);
 }
 
+static void sd_print_group(struct mlx5_core_dev *primary)
+{
+       struct mlx5_sd *sd = mlx5_get_sd(primary);
+       struct mlx5_core_dev *pos;
+       int i;
+
+       sd_info(primary, "group id %#x, primary %s, vhca %u\n",
+               sd->group_id, pci_name(primary->pdev),
+               MLX5_CAP_GEN(primary, vhca_id));
+       mlx5_sd_for_each_secondary(i, primary, pos)
+               sd_info(primary, "group id %#x, secondary#%d %s, vhca %u\n",
+                       sd->group_id, i - 1, pci_name(pos->pdev),
+                       MLX5_CAP_GEN(pos, vhca_id));
+}
+
 int mlx5_sd_init(struct mlx5_core_dev *dev)
 {
        struct mlx5_core_dev *primary, *pos, *to;
@@ -410,6 +425,10 @@ int mlx5_sd_init(struct mlx5_core_dev *dev)
                        goto err_unset_secondaries;
        }
 
+       sd_info(primary, "group id %#x, size %d, combined\n",
+               sd->group_id, mlx5_devcom_comp_get_size(sd->devcom));
+       sd_print_group(primary);
+
        return 0;
 
 err_unset_secondaries:
@@ -440,6 +459,8 @@ void mlx5_sd_cleanup(struct mlx5_core_dev *dev)
        mlx5_sd_for_each_secondary(i, primary, pos)
                sd_cmd_unset_secondary(pos);
        sd_cmd_unset_primary(primary);
+
+       sd_info(primary, "group id %#x, uncombined\n", sd->group_id);
 out:
        sd_unregister(dev);
        sd_cleanup(dev);