/ sys / devices / pci0000:00 / 0000:00:02.0 / [ HOME SHELL ] 
Name Size Permission Action
  0000:00:02.0:pcie001 [ DIR ] drwxr-xr-x  
  0000:00:02.0:pcie002 [ DIR ] drwxr-xr-x  
  0000:01:00.0 [ DIR ] drwxr-xr-x  
  driver [ DIR ] drwxr-xr-x  
  firmware_node [ DIR ] drwxr-xr-x  
  msi_irqs [ DIR ] drwxr-xr-x  
  pci_bus [ DIR ] drwxr-xr-x  
  power [ DIR ] drwxr-xr-x  
  subsystem [ DIR ] drwxr-xr-x