在linux系统上用lspci可以查看PCI设备信息,crash的dev命令也提供了这个功能。
crash> dev -p
ROOT BUS BUSNAME
ffff893eaeb43000 0000:00
PCI DEV DO:BU:SL.FN CLASS PCI_ID TYPE
ffff88deaf813000 0000:00:00.0 0600 8086:2020 ROOT_PORT
ffff88deaf812000 0000:00:04.0 0880 8086:2021 RC_END
ffff88deaf817000 0000:00:04.1 0880 8086:2021 RC_END
ffff88deaf810000 0000:00:04.2 0880 8086:2021 RC_END
ffff88deaf811000 0000:00:04.3 0880 8086:2021 RC_END
ffff88deaf814000 0000:00:04.4 0880 8086:2021 RC_END
ffff88deaf816000 0000:00:04.5 0880 8086:2021 RC_END
ffff88deaf815000 0000:00:04.6 0880 8086:2021 RC_END
ffff893eaeb58000 0000:00:04.7 0880 8086:2021 RC_END
ffff893eaeb59000 0000:00:05.0 0880 8086:2024 RC_END
ffff893eaeb5c000 0000:00:05.2 0880 8086:2025 RC_END
ffff893eaeb5e000 0000:00:05.4 0800 8086:2026 RC_END
ffff893eaeb5d000 0000:00:08.0 0880 8086:2014 RC_END
ffff893eaeb5b000 0000:00:08.1 1101 8086:2015 ENDPOINT
ffff893eaeb5a000 0000:00:08.2 0880 8086:2016 RC_END
ffff893eaeb5f000 0000:00:11.0 ff00 8086:a1ec ENDPOINT
ffff893eaeb6d000 0000:00:11.1 ff00 8086:a1ed ENDPOINT
ffff893eaeb6b000 0000:00:11.5 0106 8086:a1d2 ENDPOINT
ffff893eaeb6a000 0000:00:14.0 0c03 8086:a1af ENDPOINT
ffff893eaeb6f000 0000:00:14.2 1180 8086:a1b1 ENDPOINT
ffff893eaeb68000 0000:00:16.0 0780 8086:a1ba ENDPOINT
ffff893eaeb69000 0000:00:16.1 0780 8086:a1bb ENDPOINT
ffff893eaeb6c000 0000:00:16.4 0780 8086:a1be ENDPOINT
ffff893eaeb6e000 0000:00:17.0 0106 8086:a182 ENDPOINT
ffff893eaeb83000 0000:00:1c.0 0604 8086:a190 ROOT_PORT [BRIDGE]
ffff893eaeb82000 0000:00:1c.4 0604 8086:a194 ROOT_PORT [BRIDGE]
ffff893eaeb87000 0000:00:1c.5 0604 8086:a195 ROOT_PORT [BRIDGE]
ffff893eaeb80000 0000:00:1f.0 0601 8086:a1c2 ENDPOINT
ffff893eaeb81000 0000:00:1f.2 0580 8086:a1a1 ENDPOINT
ffff893eaeb84000 0000:00:1f.4 0c05 8086:a1a3 ENDPOINT
ffff893eaeb86000 0000:00:1f.5 0c80 8086:a1a4 ENDPOINT
PCI BUS PARENT BUS
ffff893eaeb47800 ffff893eaeb43000
PCI DEV DO:BU:SL.FN CLASS PCI_ID TYPE
ffff893eaeb83000 0000:00:1c.0 0604 8086:a190 ROOT_PORT [BRIDGE]
PCI BUS PARENT BUS
ffff893eaeb46800 ffff893eaeb43000
PCI DEV DO:BU:SL.FN CLASS PCI_ID TYPE
ffff893eaeb82000 0000:00:1c.4 0604 8086:a194 ROOT_PORT [BRIDGE]
ffff893eaeb85000 0000:02:00.0 0300 19e5:1711 LEG_END
PCI BUS PARENT BUS
ffff893eaeb44800 ffff893eaeb43000
PCI DEV DO:BU:SL.FN CLASS PCI_ID TYPE
ffff893eaeb87000 0000:00:1c.5 0604 8086:a195 ROOT_PORT [BRIDGE]
ffff893eaeb9d000 0000:03:00.0 1180 19e5:1710 ENDPOINT
...
标签:00,ENDPOINT,0000,拓扑,8086,PCI,END,crash
From: https://www.cnblogs.com/pengdonglin137/p/17725125.html