pci - Information about PCI devices
Syntax
Description
See Also
mount //sys/pci /dev/pci
pci is a two level filesystem with information about the devices connected to the pci bus. It registers at //sys/pci in the namer and should be mounted into /dev/pci. In the pci directory there will be one directory for each PCI bus, eg. pci/bus0 & pci/bus1. Most computers without AGP only have one PCI bus, while computers with AGP usually has two or more.Each file in the bus subdirectories correspond to one PCI device. The information about it may be obtained with a stat(1) command.
Explanations to the different values:
bus: The number of the PCI bus the card is connected to. vendor: A id assigned to the vendor of the card. device: The device id set by the manufacturer. class: A different value for different cards, eg. 0x200=Network card irq: The irq of the device. devfn: The real device number of the device. Eg. 0.0=0, 0.1=1, 1.0=8 & 2.1=17 num_resources: Number of memory and io ranges used by the device. resn_start: The start of the resource. n is the number of the resource. resn_end: The end of the resource.
pci(5), lspci(1)
PCI (4) |