Difference between revisions of "USB physical port mapping"

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=== Find out physical port parameters (bus and port) ===
 
=== Find out physical port parameters (bus and port) ===
  
  qm monitor <VM_ID>
+
From the host:
  qm&gt; info usbhost
+
'''lsusb -t'''
 +
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
 +
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
 +
/: '''Bus 03'''.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
 +
    |__ '''Port 1''': Dev 4, If 0, Class=vend., Driver=usbfs, 1.5M
 +
    |__ Port 2: Dev 5, If 0, Class=vend., Driver=usbfs, 1.5M
 +
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
 +
/: '''Bus 01'''.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/2p, 480M
 +
    |__ '''Port 1''': Dev 2, If 0, Class=hub, Driver=hub/4p, 480M
 +
        |__ '''Port 3''': Dev 5, If 0, Class=comm., Driver=usbfs, 480M
 +
        |__ Port 3: Dev 5, If 1, Class=data, Driver=usbfs, 480M
 +
 
 +
* Example 1: Bus 3, Port 1 => '''3-1'''
 +
* Example 2: Bus 1, Port 1, Port 3 => '''1-1.3'''
 +
 
 +
Or through Qemu/KVM tool:
 +
'''qm monitor ''<VM_ID>'''''
 +
  qm&gt; '''info usbhost'''
 
   '''Bus 3''', Addr 2, '''Port 1''', Speed 1.5 Mb/s
 
   '''Bus 3''', Addr 2, '''Port 1''', Speed 1.5 Mb/s
 
     Vendor Specific: USB device 0529:0001, HASP 2.17
 
     Vendor Specific: USB device 0529:0001, HASP 2.17
 
   Bus 5, Addr 3, Port 2, Speed 12 Mb/s
 
   Bus 5, Addr 3, Port 2, Speed 12 Mb/s
 
     Class 00: USB device 0624:0248, USB Composite Device-0
 
     Class 00: USB device 0624:0248, USB Composite Device-0
 +
  Auto filters:
 +
    '''Bus 1''', Addr *, '''Port 1.3''', ID *:*
 +
 +
* Example 1: Bus 3, Port 1 => '''3-1'''
 +
* Example 2: Bus 1, Port 1.3 => '''1-1.3'''
  
 
=== Add the device to the VM ===
 
=== Add the device to the VM ===
  
Edit the VM's configuration file ''/etc/pve/qemu-server/<VM_ID>.conf'' and add this line:
+
Edit the VM's configuration file '''/etc/pve/qemu-server/''<VM_ID>''.conf''' and add this line:
 +
* Examples 1 & 2:
 +
  usb0: host='''3'''-'''1'''
 +
  usb1: host='''1'''-'''1.3'''
  
 +
For Proxmox before version 1.9, try this line:
 +
* Example 1:
 
   args: -device usb-host,hostbus='''3''',hostport='''1'''
 
   args: -device usb-host,hostbus='''3''',hostport='''1'''
 +
* Example 2:
 +
  args: -device usb-host,hostbus='''1''',hostport='''1.3'''
  
Or this line (as Proxmox 2.x supports usbN in vm.conf):
+
=== Stop and restart the VM ===
 
 
  usb0: host='''3'''-'''1'''
 
  
=== Reboot the VM ===
+
Stop and start the VM (a reboot is not enought).
  
Check that the USB device is seen by the VM:
+
Check that the USB devices are seen by the VM:
  
  qm monitor <VM_ID>
+
'''qm monitor ''<VM_ID>'''''
  qm&gt; info usb
+
  qm&gt; '''info usb'''
 
   Device 0.2, Port 1, Speed 12 Mb/s, Product QEMU USB Tablet
 
   Device 0.2, Port 1, Speed 12 Mb/s, Product QEMU USB Tablet
 
   Device 0.3, Port 2, Speed 12 Mb/s, Product QEMU USB Hub
 
   Device 0.3, Port 2, Speed 12 Mb/s, Product QEMU USB Hub
   '''Device 0.4, Port 2.1, Speed 1.5 Mb/s, Product HASP 2.17'''
+
   '''Device 1.1, Port 1, Speed 1.5 Mb/s, Product HASP 2.17'''
 +
  '''Device 1.0, Port 2, Speed 480 Mb/s, Product USB Host Device'''
  
 
== References ==
 
== References ==
  
*[[Manual: vm.conf|man vm.conf]]  
+
* [[Manual: vm.conf|man vm.conf]]  
*http://www.kraxel.org/cgit/qemu/tree/docs/usb2.txt
+
* http://www.kraxel.org/cgit/qemu/tree/docs/usb2.txt

Revision as of 09:20, 28 April 2013

The main reason to use physical USB port mapping is to be able to connect several usb devices which have the same IDs to different virtual machines (device-1 to VM1, device-2 to VM2, etc).

Map hardware USB port

Find out physical port parameters (bus and port)

From the host:

lsusb -t
/: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
    |__ Port 1: Dev 4, If 0, Class=vend., Driver=usbfs, 1.5M
    |__ Port 2: Dev 5, If 0, Class=vend., Driver=usbfs, 1.5M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/4p, 480M
        |__ Port 3: Dev 5, If 0, Class=comm., Driver=usbfs, 480M
        |__ Port 3: Dev 5, If 1, Class=data, Driver=usbfs, 480M
  • Example 1: Bus 3, Port 1 => 3-1
  • Example 2: Bus 1, Port 1, Port 3 => 1-1.3

Or through Qemu/KVM tool:

qm monitor <VM_ID>
qm> info usbhost
 Bus 3, Addr 2, Port 1, Speed 1.5 Mb/s
   Vendor Specific: USB device 0529:0001, HASP 2.17
 Bus 5, Addr 3, Port 2, Speed 12 Mb/s
   Class 00: USB device 0624:0248, USB Composite Device-0
 Auto filters:
   Bus 1, Addr *, Port 1.3, ID *:*
  • Example 1: Bus 3, Port 1 => 3-1
  • Example 2: Bus 1, Port 1.3 => 1-1.3

Add the device to the VM

Edit the VM's configuration file /etc/pve/qemu-server/<VM_ID>.conf and add this line:

  • Examples 1 & 2:
 usb0: host=3-1
 usb1: host=1-1.3

For Proxmox before version 1.9, try this line:

  • Example 1:
 args: -device usb-host,hostbus=3,hostport=1
  • Example 2:
 args: -device usb-host,hostbus=1,hostport=1.3

Stop and restart the VM

Stop and start the VM (a reboot is not enought).

Check that the USB devices are seen by the VM:

qm monitor <VM_ID>
qm> info usb
 Device 0.2, Port 1, Speed 12 Mb/s, Product QEMU USB Tablet
 Device 0.3, Port 2, Speed 12 Mb/s, Product QEMU USB Hub
 Device 1.1, Port 1, Speed 1.5 Mb/s, Product HASP 2.17
 Device 1.0, Port 2, Speed 480 Mb/s, Product USB Host Device

References