netlink怎么区分USB设备

回答: 在Linux设备驱动中，每个设备在/dev目录下都有一个对应的文件(节点)，可以通过查看/proc/devices命令来获取已加载设备驱动程序的主设备号。\[1\]对于USB设备，可以通过查看设备路径来区分。例如，/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/host6/target6:0:0/6:0:0:0/scsi_device/6:0:0:0中的usb2/2-1/2-1:1.0部分表示USB设备的路径。\[3\]此外，还可以通过其他方法，如查看设备的Vendor ID和Product ID来区分USB设备。
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