root@XXX# lspci -tv
-[0000:00]-+-00.0 Intel Corporation Haswell DRAM Controller
   +-01.0-[0000:01-06]----00.0-[0000:02-06]--+-01.0-[0000:03]--+-00.0 Intel Corporation I350 Gigabit Network Connection
   |           |     +-00.1 Intel Corporation I350 Gigabit Network Connection
   |           |     +-00.2 Intel Corporation I350 Gigabit Network Connection
   |           |     \-00.3 Intel Corporation I350 Gigabit Network Connection
   |           +-02.0-[0000:04]--+-00.0 Intel Corporation I350 Gigabit Network Connection
   |           |     +-00.1 Intel Corporation I350 Gigabit Network Connection
   |           |     +-00.2 Intel Corporation I350 Gigabit Network Connection
   |           |     \-00.3 Intel Corporation I350 Gigabit Network Connection
   |           +-08.0-[0000:05]--
   |           \-09.0-[0000:06]--+-00.0 Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection
   |               \-00.1 Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection
   +-01.1-[0000:07-0c]----00.0-[0000:08-0c]--+-01.0-[0000:09]--+-00.0 Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection
   |           |     \-00.1 Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection
   |           +-08.0-[0000:0a]--
   |           +-09.0-[0000:0b]--
   |           \-0a.0-[0000:0c]--
   +-02.0 Intel Corporation Haswell Integrated Graphics Controller
   +-03.0 Intel Corporation Haswell HD Audio Controller
   +-14.0 Intel Corporation Lynx Point USB xHCI Host Controller
   +-16.0 Intel Corporation Lynx Point MEI Controller #1
   +-1a.0 Intel Corporation Lynx Point USB Enhanced Host Controller #2
   +-1c.0-[0000:0d]--
   +-1c.4-[0000:0e]----00.0 Intel Corporation I210 Gigabit Network Connection
   +-1c.5-[0000:0f]----00.0 Intel Corporation I210 Gigabit Network Connection
   +-1d.0 Intel Corporation Lynx Point USB Enhanced Host Controller #1
   +-1f.0 Intel Corporation Lynx Point LPC Controller
   +-1f.2 Intel Corporation Lynx Point 4-port SATA Controller 1 [IDE mode]
   +-1f.3 Intel Corporation Lynx Point SMBus Controller
   \-1f.6 Intel Corporation Lynx Point Thermal Management Controller
root@XXX# 

如果有裝置是 unknown 的,需要更新 /usr/local/share/pci.ids.gz 請參考更新方式 http://benjr.tw/node/88

先查询 Inetl 82599EB 网卡的识别号(bus:device.function)

root@XXX# lspci | grep --color 82599 
06:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01)
06:00.1 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01)
09:00.0 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01)
09:00.1 Ethernet controller: Intel Corporation 82599EB 10-Gigabit SFI/SFP+ Network Connection (rev 01)
root@XXX# 

在 PCI 的装置使用三个编号用来当作识别值,个别为 1. "汇流排(bus number)", 2. "装置(device number) 以及 3. "功能(function number)".

所以刚刚的 06:00.0 就是 bus number = 06 ,device number = 00 function = 0 .