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Using USB/IP to Share USB Devices in Linux
Last updated: 2024-01-06 17:49:56
Overview
USB/IP is an open-source project and has been incorporated in the kernel. In a Linux environment, you can use USB/IP to remotely share USB devices. This document uses the following environment versions as examples to describe how to use USB/IP to share USB devices.
USB client: CVM with CentOS 7.6
USB server: local PC with Debian
Notes
The USB/IP installation method and kernel module name vary by Linux OS versions. Go to the official Linux releases and check whether your current Linux OS supports the USB/IP feature.
Directions
Configuring the USB server
1. On the local PC, run the following commands in sequence to install USB/IP and load related kernel modules:
sudo apt-get install usbipsudo modprobe usbip-coresudo modprobe vhci-hcdsudo modprobe usbip_host
2. Insert a USB device and run the following command to view available USB devices:
usbip list --local
For example, if a Feitian USB key is inserted to the local PC, the following result is returned:
busid 1-1.3(096e:031b)Feitian Technologies, Inc.: unknown product(096e:031b)
3. Record the busid value and run the following commands in sequence to enable listening, specify the USB/IP port, and share the USB device:
sudo usbipd -D [--tcp-port PORT]sudo usbip bind -b [busid]
For example, if the specified USB/IP port is port 3240 (default USB/IP port) and busid is
1-1.3, run the following commands:sudo usbipd -Dsudo usbip bind -b 1-1.3
4. (Optional) Run the following command to create an SSH tunnel and use port listening:
Note:
Skip this step if the local PC has a public IP address.
ssh -Nf -R specified USB/IP port:localhost:specified USB/IP port root@your_host
your_host indicates the CVM IP address.
For example, if the USB/IP port is port 3240 and the CVM IP address is 192.168.15.24, run the following command:ssh -Nf -R 3240:localhost:3240 root@192.168.15.24
Configuring the USB client
Note:
The following uses a local PC without a public IP as an example. If your local PC has a public IP, replace
127.0.0.1 in the following steps with the public IP of your local PC.2. Run the following commands in sequence to download the USB/IP source:
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.orgrpm -ivh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
3. Run the following commands in sequence to install USB/IP:
yum -y install kmod-usbip usbip-utilsmodprobe usbip-coremodprobe vhci-hcdmodprobe usbip-host
4. Run the following command to query available USB devices of the CVM:
usbip list --remote 127.0.0.1
For example, if the Feitian USB key information is located, the following result is returned:
Exportable USB devices======================-127.0.0.1 1-1.3: Feitian Technologies, Inc.: unknown product(096e:031b):/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3:(Defined at Interface level)(00/00/00)
5. Run the following command to bind the USB device to the CVM:
usbip attach --remote=127.0.0.1 --busid=1-1.3
6. Run the following command to query the USB device list:
lsusb
If information similar to the following is returned, the USB device has been shared.
Bus 002 Device 002:ID096e:031b Feitian Technologies, Inc.Bus 002 Device 001:ID1d6b:0002 Linux Foundation 2.0 root hubBus 001 Device 001:ID1d6b:0001 Linux Foundation 1.1 root hub
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