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 ...
