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net/mlx5: Start health poll at earlier stage of driver load

Browse source 
Start health poll at earlier stage, so if fw fatal issue occurred before
or during initialization commands such as init_hca or set_hca_cap the
poll health can detect and indicate that the driver is already in error
state.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Moshe Shemesh 2022-10-01 21:56:28 -07:00 committed by Jakub Kicinski
parent 16ab85e784
commit 9b98d395b8
3 changed files with 19 additions and 10 deletions
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11
drivers/net/ethernet/mellanox/mlx5/core/health.c
View file

@ -843,9 +843,6 @@ void mlx5_start_health_poll(struct mlx5_core_dev *dev)
health->timer.expires = jiffies + msecs_to_jiffies(poll_interval_ms);
add_timer(&health->timer);
if (mlx5_core_is_pf(dev) && MLX5_CAP_MCAM_REG(dev, mrtc))
queue_delayed_work(health->wq, &health->update_fw_log_ts_work, 0);
}
void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health)
@ -862,6 +859,14 @@ void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health)
del_timer_sync(&health->timer);
}
void mlx5_start_health_fw_log_up(struct mlx5_core_dev *dev)
{
struct mlx5_core_health *health = &dev->priv.health;
if (mlx5_core_is_pf(dev) && MLX5_CAP_MCAM_REG(dev, mrtc))
queue_delayed_work(health->wq, &health->update_fw_log_ts_work, 0);
}
void mlx5_drain_health_wq(struct mlx5_core_dev *dev)
{
struct mlx5_core_health *health = &dev->priv.health;

17
drivers/net/ethernet/mellanox/mlx5/core/main.c
View file

@ -1092,7 +1092,7 @@ static void mlx5_cleanup_once(struct mlx5_core_dev *dev)
mlx5_devcom_unregister_device(dev->priv.devcom);
}
static int mlx5_function_setup(struct mlx5_core_dev *dev, u64 timeout)
static int mlx5_function_setup(struct mlx5_core_dev *dev, bool boot, u64 timeout)
{
int err;
@ -1130,10 +1130,12 @@ static int mlx5_function_setup(struct mlx5_core_dev *dev, u64 timeout)
mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_UP);
mlx5_start_health_poll(dev);
err = mlx5_core_enable_hca(dev, 0);
if (err) {
mlx5_core_err(dev, "enable hca failed\n");
goto err_cmd_cleanup;
goto stop_health_poll;
}
err = mlx5_core_set_issi(dev);
@ -1185,8 +1187,7 @@ static int mlx5_function_setup(struct mlx5_core_dev *dev, u64 timeout)
mlx5_core_err(dev, "query hca failed\n");
goto reclaim_boot_pages;
}
mlx5_start_health_poll(dev);
mlx5_start_health_fw_log_up(dev);
return 0;
@ -1194,6 +1195,8 @@ static int mlx5_function_setup(struct mlx5_core_dev *dev, u64 timeout)
mlx5_reclaim_startup_pages(dev);
err_disable_hca:
mlx5_core_disable_hca(dev, 0);
stop_health_poll:
mlx5_stop_health_poll(dev, boot);
err_cmd_cleanup:
mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_DOWN);
mlx5_cmd_cleanup(dev);
@ -1205,7 +1208,6 @@ static int mlx5_function_teardown(struct mlx5_core_dev *dev, bool boot)
{
int err;
mlx5_stop_health_poll(dev, boot);
err = mlx5_cmd_teardown_hca(dev);
if (err) {
mlx5_core_err(dev, "tear_down_hca failed, skip cleanup\n");
@ -1213,6 +1215,7 @@ static int mlx5_function_teardown(struct mlx5_core_dev *dev, bool boot)
}
mlx5_reclaim_startup_pages(dev);
mlx5_core_disable_hca(dev, 0);
mlx5_stop_health_poll(dev, boot);
mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_DOWN);
mlx5_cmd_cleanup(dev);
@ -1362,7 +1365,7 @@ int mlx5_init_one(struct mlx5_core_dev *dev)
mutex_lock(&dev->intf_state_mutex);
dev->state = MLX5_DEVICE_STATE_UP;
err = mlx5_function_setup(dev, mlx5_tout_ms(dev, FW_PRE_INIT_TIMEOUT));
err = mlx5_function_setup(dev, true, mlx5_tout_ms(dev, FW_PRE_INIT_TIMEOUT));
if (err)
goto err_function;
@ -1450,7 +1453,7 @@ int mlx5_load_one_devl_locked(struct mlx5_core_dev *dev, bool recovery)
timeout = mlx5_tout_ms(dev, FW_PRE_INIT_ON_RECOVERY_TIMEOUT);
else
timeout = mlx5_tout_ms(dev, FW_PRE_INIT_TIMEOUT);
err = mlx5_function_setup(dev, timeout);
err = mlx5_function_setup(dev, false, timeout);
if (err)
goto err_function;

1
include/linux/mlx5/driver.h
View file

@ -1017,6 +1017,7 @@ void mlx5_health_cleanup(struct mlx5_core_dev *dev);
int mlx5_health_init(struct mlx5_core_dev *dev);
void mlx5_start_health_poll(struct mlx5_core_dev *dev);
void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health);
void mlx5_start_health_fw_log_up(struct mlx5_core_dev *dev);
void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
void mlx5_trigger_health_work(struct mlx5_core_dev *dev);
int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size,