/proc/bus/ - installed buses
- /proc/bus/
- Contains subdirectories for installed buses.
- /proc/bus/pccard/
- Subdirectory for PCMCIA devices when CONFIG_PCMCIA is set at kernel
compilation time.
- /proc/bus/pccard/drivers
- /proc/bus/pci/
- Contains various bus subdirectories and pseudo-files containing
information about PCI buses, installed devices, and device drivers. Some
of these files are not ASCII.
- /proc/bus/pci/devices
- Information about PCI devices. They may be accessed through
lspci(8) and setpci(8).