ls /sys/bus/pci/devices/0000\:01\:00.0/
acpi_index            consistent_dma_mask_bits  device           enable         local_cpulist   modalias  numa_node  rescan     resource0_wc  resource4_wc  subsystem_device  vpd
broken_parity_status  current_link_speed        dma_mask_bits    firmware_node  local_cpus      msi_bus   power      reset      resource2     revision      subsystem_vendor
class                 current_link_width        driver           irq            max_link_speed  msi_irqs  ptp        resource   resource2_wc  rom           uevent
config                d3cold_allowed            driver_override  label          max_link_width  net       remove     resource0  resource4     subsystem     vendor
root@web2:/home/ubuntu# ls /sys/bus/pci/devices/0000\:01\:00.0/