Mastering lspci: List and Inspect All PCI Devices on Linux

lspci: List all PCI devices

Function description

lspci command displays all PCI bus information and the connected PCI devices on the host. Modern hardware such as network cards and storage devices use the PCI bus.

Command syntax

lspci [options]

Option meanings

The following options are commonly used:

-n: display PCI vendor and device codes numerically

-t: show PCI devices in a tree hierarchy

-b: bus‑centric view

-d: show only the specified vendor and device

-s: show devices on a specific bus and slot

-i: specify a PCI ID list file instead of the default

-m: output PCI information in a machine‑readable format

-v: display detailed information about PCI devices

Reference examples

Example 1

// Show all PCI bus information
# lspci

// Show detailed PCI device information
# lspci -v

// Show PCI devices in a tree structure
# lspci -t

// Show PCI device identifiers
# lspci -n

Example 2

Display specific PCI device information

// Show device with vendor ID 8086 and device ID 7190
# lspci -d 8086:7190

// Show Ethernet controller details
# lspci | grep Ethernet

// Show bus, slot, and function for Ethernet device 02:01.0
# lspci -v -s 02:01.0

// Show USB device information
# lspci | grep -i usb