static void poll_health(unsigned long data)
{
struct mlx5_core_dev *dev = (struct mlx5_core_dev *)data;
struct mlx5_core_health *health = &dev->priv.health;
u32 count;
if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
trigger_cmd_completions(dev);
mod_timer(&health->timer, get_next_poll_jiffies());
return;
}
count = ioread32be(health->health_counter);
if (count == health->prev)
++health->miss_counter;
else
health->miss_counter = 0;
health->prev = count;
if (health->miss_counter == MAX_MISSES) {
dev_err(&dev->pdev->dev, "device's health compromised - reached miss count\n");
print_health_info(dev);
} else {
mod_timer(&health->timer, get_next_poll_jiffies());
}
if (in_fatal(dev) && !health->sick) {
health->sick = true;
print_health_info(dev);
queue_work(health->wq, &health->work);
}
}
void mlx5_enter_error_state(struct mlx5_core_dev *dev)
{
mutex_lock(&dev->intf_state_mutex);
if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR)
goto unlock;
mlx5_core_err(dev, "start\n");
if (pci_channel_offline(dev->pdev) || in_fatal(dev)) {
dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR;
trigger_cmd_completions(dev);
}
mlx5_core_event(dev, MLX5_DEV_EVENT_SYS_ERROR, 0);
mlx5_core_err(dev, "end\n");
unlock:
mutex_unlock(&dev->intf_state_mutex);
}
