diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/events.c | 36 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/hwmon.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/hwmon.h | 1 |
3 files changed, 39 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c index d91ea53eb394..01c5f5990f9a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/events.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c @@ -6,6 +6,7 @@ #include "mlx5_core.h" #include "lib/eq.h" #include "lib/events.h" +#include "hwmon.h" struct mlx5_event_nb { struct mlx5_nb nb; @@ -153,21 +154,50 @@ static int any_notifier(struct notifier_block *nb, return NOTIFY_OK; } +#if IS_ENABLED(CONFIG_HWMON) +static void print_sensor_names_in_bit_set(struct mlx5_core_dev *dev, struct mlx5_hwmon *hwmon, + u64 bit_set, int bit_set_offset) +{ + unsigned long *bit_set_ptr = (unsigned long *)&bit_set; + int num_bits = sizeof(bit_set) * BITS_PER_BYTE; + int i; + + for_each_set_bit(i, bit_set_ptr, num_bits) { + const char *sensor_name = hwmon_get_sensor_name(hwmon, i + bit_set_offset); + + mlx5_core_warn(dev, "Sensor name[%d]: %s\n", i + bit_set_offset, sensor_name); + } +} +#endif /* CONFIG_HWMON */ + /* type == MLX5_EVENT_TYPE_TEMP_WARN_EVENT */ static int temp_warn(struct notifier_block *nb, unsigned long type, void *data) { struct mlx5_event_nb *event_nb = mlx5_nb_cof(nb, struct mlx5_event_nb, nb); struct mlx5_events *events = event_nb->ctx; + struct mlx5_core_dev *dev = events->dev; struct mlx5_eqe *eqe = data; u64 value_lsb; u64 value_msb; value_lsb = be64_to_cpu(eqe->data.temp_warning.sensor_warning_lsb); + /* bit 1-63 are not supported for NICs, + * hence read only bit 0 (asic) from lsb. + */ + value_lsb &= 0x1; value_msb = be64_to_cpu(eqe->data.temp_warning.sensor_warning_msb); - mlx5_core_warn(events->dev, - "High temperature on sensors with bit set %llx %llx", - value_msb, value_lsb); + if (net_ratelimit()) { + mlx5_core_warn(dev, "High temperature on sensors with bit set %#llx %#llx.\n", + value_msb, value_lsb); +#if IS_ENABLED(CONFIG_HWMON) + if (dev->hwmon) { + print_sensor_names_in_bit_set(dev, dev->hwmon, value_lsb, 0); + print_sensor_names_in_bit_set(dev, dev->hwmon, value_msb, + sizeof(value_lsb) * BITS_PER_BYTE); + } +#endif + } return NOTIFY_OK; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/hwmon.c b/drivers/net/ethernet/mellanox/mlx5/core/hwmon.c index 353f81dccd1c..4ba2636d7fb6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/hwmon.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/hwmon.c @@ -416,3 +416,8 @@ void mlx5_hwmon_dev_unregister(struct mlx5_core_dev *mdev) mlx5_hwmon_free(hwmon); mdev->hwmon = NULL; } + +const char *hwmon_get_sensor_name(struct mlx5_hwmon *hwmon, int channel) +{ + return hwmon->temp_channel_desc[channel].sensor_name; +} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/hwmon.h b/drivers/net/ethernet/mellanox/mlx5/core/hwmon.h index 999654a9b9da..f38271c22c10 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/hwmon.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/hwmon.h @@ -10,6 +10,7 @@ int mlx5_hwmon_dev_register(struct mlx5_core_dev *mdev); void mlx5_hwmon_dev_unregister(struct mlx5_core_dev *mdev); +const char *hwmon_get_sensor_name(struct mlx5_hwmon *hwmon, int channel); #else static inline int mlx5_hwmon_dev_register(struct mlx5_core_dev *mdev) |