258 lines
7.9 KiB
Plaintext
258 lines
7.9 KiB
Plaintext
#
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# README for usbip-utils
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#
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# Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
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# 2005-2008 Takahiro Hirofuchi
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[Overview]
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USB/IP protocol allows to pass USB device from server to client over the
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network. Server is a machine which provides (shares) a USB device. Client is
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a machine which uses USB device provided by server over the network.
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The USB device may be either physical device connected to a server or
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software entity created on a server using USB gadget subsystem.
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Whole project consists of four parts:
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- usbip-vhci
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A client side kernel module which provides a virtual USB Host Controller
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and allows to import a USB device from a remote machine.
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- usbip-host (stub driver)
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A server side module which provides a USB device driver which can be
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bound to a physical USB device to make it exportable.
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- usbip-vudc
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A server side module which provides a virtual USB Device Controller and allows
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to export a USB device created using USB Gadget Subsystem.
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- usbip-utils
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A set of userspace tools used to handle connection and management.
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Used on both sides.
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[Requirements]
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- USB/IP device drivers
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Found in the drivers/usb/usbip/ directory of the Linux kernel tree.
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- libudev >= 2.0
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libudev library
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- libwrap0-dev
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tcp wrapper library
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- gcc >= 4.0
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- libtool, automake >= 1.9, autoconf >= 2.5.0, pkg-config
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[Optional]
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- hwdata
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Contains USB device identification data.
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[Install]
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0. Generate configuration scripts.
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$ ./autogen.sh
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1. Compile & install the userspace utilities.
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$ ./configure [--with-tcp-wrappers=no] [--with-usbids-dir=<dir>]
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$ make install
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2. Compile & install USB/IP drivers.
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[Usage]
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On a server side there are two entities which can be shared.
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First of them is physical usb device connected to the machine.
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To make it available below steps should be executed:
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server:# (Physically attach your USB device.)
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server:# insmod usbip-core.ko
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server:# insmod usbip-host.ko
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server:# usbipd -D
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- Start usbip daemon.
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server:# usbip list -l
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- List driver assignments for USB devices.
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server:# usbip bind --busid 1-2
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- Bind usbip-host.ko to the device with busid 1-2.
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- The USB device 1-2 is now exportable to other hosts!
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- Use `usbip unbind --busid 1-2' to stop exporting the device.
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Second of shareable entities is USB Gadget created using USB Gadget Subsystem
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on a server machine. To make it available below steps should be executed:
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server:# (Create your USB gadget)
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- Currently the most preferable way of creating a new USB gadget
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is ConfigFS Composite Gadget. Please refer to its documentation
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for details.
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- See vudc_server_example.sh for a short example of USB gadget creation
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server:# insmod usbip-core.ko
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server:# insmod usbip-vudc.ko
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- To create more than one instance of vudc use num module param
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server:# (Bind gadget to one of available vudc)
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- Assign your new gadget to USB/IP UDC
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- Using ConfigFS interface you may do this simply by:
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server:# cd /sys/kernel/config/usb_gadget/<gadget_name>
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server:# echo "usbip-vudc.0" > UDC
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server:# usbipd -D --device
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- Start usbip daemon.
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To attach new device to client machine below commands should be used:
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client:# insmod usbip-core.ko
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client:# insmod vhci-hcd.ko
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client:# usbip list --remote <host>
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- List exported USB devices on the <host>.
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client:# usbip attach --remote <host> --busid 1-2
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- Connect the remote USB device.
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- When using vudc on a server side busid is really vudc instance name.
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For example: usbip-vudc.0
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client:# usbip port
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- Show virtual port status.
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client:# usbip detach --port <port>
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- Detach the USB device.
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[Example]
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---------------------------
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SERVER SIDE
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---------------------------
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Physically attach your USB devices to this host.
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trois:# insmod path/to/usbip-core.ko
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trois:# insmod path/to/usbip-host.ko
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trois:# usbipd -D
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In another terminal, let's look up what USB devices are physically
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attached to this host.
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trois:# usbip list -l
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Local USB devices
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=================
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- busid 1-1 (05a9:a511)
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1-1:1.0 -> ov511
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- busid 3-2 (0711:0902)
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3-2:1.0 -> none
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- busid 3-3.1 (08bb:2702)
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3-3.1:1.0 -> snd-usb-audio
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3-3.1:1.1 -> snd-usb-audio
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- busid 3-3.2 (04bb:0206)
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3-3.2:1.0 -> usb-storage
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- busid 3-3 (0409:0058)
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3-3:1.0 -> hub
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- busid 4-1 (046d:08b2)
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4-1:1.0 -> none
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4-1:1.1 -> none
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4-1:1.2 -> none
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- busid 5-2 (058f:9254)
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5-2:1.0 -> hub
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A USB storage device of busid 3-3.2 is now bound to the usb-storage
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driver. To export this device, we first mark the device as
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"exportable"; the device is bound to the usbip-host driver. Please
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remember you can not export a USB hub.
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Mark the device of busid 3-3.2 as exportable:
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trois:# usbip --debug bind --busid 3-3.2
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...
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usbip debug: usbip_bind.c:162:[unbind_other] 3-3.2:1.0 -> usb-storage
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...
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bind device on busid 3-3.2: complete
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trois:# usbip list -l
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Local USB devices
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=================
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...
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- busid 3-3.2 (04bb:0206)
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3-3.2:1.0 -> usbip-host
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...
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---------------------------
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CLIENT SIDE
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---------------------------
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First, let's list available remote devices that are marked as
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exportable on the host.
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deux:# insmod path/to/usbip-core.ko
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deux:# insmod path/to/vhci-hcd.ko
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deux:# usbip list --remote 10.0.0.3
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Exportable USB devices
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======================
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- 10.0.0.3
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1-1: Prolific Technology, Inc. : unknown product (067b:3507)
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: /sys/devices/pci0000:00/0000:00:1f.2/usb1/1-1
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: (Defined at Interface level) / unknown subclass / unknown protocol (00/00/00)
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: 0 - Mass Storage / SCSI / Bulk (Zip) (08/06/50)
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1-2.2.1: Apple Computer, Inc. : unknown product (05ac:0203)
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: /sys/devices/pci0000:00/0000:00:1f.2/usb1/1-2/1-2.2/1-2.2.1
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: (Defined at Interface level) / unknown subclass / unknown protocol (00/00/00)
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: 0 - Human Interface Devices / Boot Interface Subclass / Keyboard (03/01/01)
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1-2.2.3: OmniVision Technologies, Inc. : OV511+ WebCam (05a9:a511)
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: /sys/devices/pci0000:00/0000:00:1f.2/usb1/1-2/1-2.2/1-2.2.3
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: (Defined at Interface level) / unknown subclass / unknown protocol (00/00/00)
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: 0 - Vendor Specific Class / unknown subclass / unknown protocol (ff/00/00)
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3-1: Logitech, Inc. : QuickCam Pro 4000 (046d:08b2)
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: /sys/devices/pci0000:00/0000:00:1e.0/0000:02:0a.0/usb3/3-1
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: (Defined at Interface level) / unknown subclass / unknown protocol (00/00/00)
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: 0 - Data / unknown subclass / unknown protocol (0a/ff/00)
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: 1 - Audio / Control Device / unknown protocol (01/01/00)
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: 2 - Audio / Streaming / unknown protocol (01/02/00)
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Attach a remote USB device:
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deux:# usbip attach --remote 10.0.0.3 --busid 1-1
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port 0 attached
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Show the devices attached to this client:
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deux:# usbip port
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Port 00: <Port in Use> at Full Speed(12Mbps)
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Prolific Technology, Inc. : unknown product (067b:3507)
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6-1 -> usbip://10.0.0.3:3240/1-1 (remote bus/dev 001/004)
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6-1:1.0 used by usb-storage
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/sys/class/scsi_device/0:0:0:0/device
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/sys/class/scsi_host/host0/device
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/sys/block/sda/device
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Detach the imported device:
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deux:# usbip detach --port 0
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port 0 detached
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[Checklist]
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- See 'Debug Tips' on the project wiki.
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- http://usbip.wiki.sourceforge.net/how-to-debug-usbip
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- usbip-host.ko must be bound to the target device.
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- See /sys/kernel/debug/usb/devices and find "Driver=..." lines of the device.
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- Target USB gadget must be bound to vudc
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(using USB gadget susbsys, not usbip bind command)
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- Shutdown firewall.
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- usbip now uses TCP port 3240.
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- Disable SELinux.
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- Check the kernel and daemon messages.
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[Contact]
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Mailing List: linux-usb@vger.kernel.org
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