lspci
displays information about PCI buses in the system and devices connected to them
TLDR
Show brief list of devices
$ lspci
Display verbose information$ lspci -v
Display kernel drivers and modules$ lspci -k
Select specific device$ lspci -s 00:18.3
Machine readable output$ lspci -vm
Show vendor/device as numbers and names$ lspci -nn
Display as tree$ lspci -t
SYNOPSIS
lspci [options]
DESCRIPTION
lspci displays information about PCI buses in the system and devices connected to them. It provides details about hardware, drivers, and capabilities of PCI devices.
PARAMETERS
-v
Verbose output with device details-vv
Very verbose output-vvv
Maximum verbosity-k
Show kernel drivers and available modules-n
Show vendor/device codes as numbers only-nn
Show both numbers and names-m
Machine-readable output format-mm
Machine-readable format for scripts-t
Show as tree diagram-s SLOT
Show only device in specified slot-d VENDOR:DEVICE
Show only devices with specified IDs-x
Hexadecimal dump of configuration space-xxx
Full PCI configuration space (root only)-D
Always show PCI domain numbers-P
Show devices by bridge path-q
Query central database for unknown devices-i FILE
Use alternate PCI ID file
CAVEATS
Some information requires root privileges. The -xxx option shows full configuration space but needs root access.
HISTORY
lspci is part of pciutils, providing PCI device information and configuration utilities for Linux systems.
SEE ALSO
setpci(8), lsusb(8), update-pciids(8)