netdev - [net-next V3 06/15] net/mlx5: SD, Add informative prints in kernel log

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Date: Wed, 14 Feb 2024 19:08:05 -0800
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>,
	netdev@...r.kernel.org,
	Tariq Toukan <tariqt@...dia.com>,
	Gal Pressman <gal@...dia.com>,
	Leon Romanovsky <leonro@...dia.com>
Subject: [net-next V3 06/15] net/mlx5: SD, Add informative prints in kernel log

From: Tariq Toukan <tariqt@...dia.com>

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

Signed-off-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../net/ethernet/mellanox/mlx5/core/lib/sd.c  | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
index 76c2426c2498..918138c13a92 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
@@ -376,6 +376,21 @@ 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 %#x\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 %#x\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;
@@ -413,6 +428,10 @@ 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:
@@ -443,6 +462,8 @@ 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);
-- 
2.43.0