mlx5_irq_get_index
vecidx = mlx5_irq_get_index(eq->irq);
pci_irq_vector(dev->pdev, mlx5_irq_get_index(irq)),
mlx5_irq_get_index(least_loaded_irq)), pool->name,
mlx5_irq_get_index(irq)));
int mlx5_irq_get_index(struct mlx5_irq *irq);