[root@localhost dpdk-19.11]# lshw -c network -businfo
Bus info Device Class Description
========================================================
pci@0000:05:00.0 enp5s0 network Hi1822 Family (2*25GE)
pci@0000:06:00.0 enp6s0 network Hi1822 Family (2*25GE)
pci@0000:7d:00.0 enp125s0f0 network HNS GE/10GE/25GE RDMA Network Controller
pci@0000:7d:00.1 enp125s0f1 network HNS GE/10GE/25GE Network Controller
pci@0000:7d:00.2 enp125s0f2 network HNS GE/10GE/25GE RDMA Network Controller
pci@0000:7d:00.3 enp125s0f3 network HNS GE/10GE/25GE Network Controller
[root@localhost dpdk-19.11]# echo 2 > /sys/bus/pci/devices/0000\:06\:00.0/sriov_numvfs
-bash: echo: write error: No such file or directory
[root@localhost dpdk-19.11]# ls /sys/bus/pci/devices/0000\:06\:00.0
broken_parity_status device iommu_group msi_bus rescan rom uevent
class devspec irq msi_irqs reset sriov_drivers_autoprobe vendor
config dma_mask_bits local_cpulist net resource sriov_numvfs vpd
consistent_dma_mask_bits driver local_cpus numa_node resource0 sriov_totalvfs
current_link_speed driver_override max_link_speed pools resource2 subsystem
current_link_width enable max_link_width power resource4 subsystem_device
d3cold_allowed iommu modalias remove revision subsystem_vendor
[root@localhost dpdk-19.11]#
