[Pkg-xen-devel] Bug#1122188: xen-hypervisor-4.20-amd64: USB Passthrough to qemu HVM not pussible

[Volker Gruenewald]

Hi,


thx for reply

so this must have changed since version Xen-4.17 and before

Using xen 4.17 and older i can even define a USB Hostcontroller Version 
3 and attach a(ny) USB Device

that is the same with a physical System, doesn't matter where i put the 
USB Stick in ?


so for me as a user (since XEN 2x or so) it seems that i loose 
functionality in every version

- in XEN 4.1 i could pass through a USB Device to a PVM , since XEN 4.11 
or so only to a HVM

- Passthrough for PCI(e) Devices is gone

now i have to know which USB Device (Version) i want to attach and have 
to do it in the correct order ?


now with the Patch


[root at debian01:~]# xl usb-list usbvm02
Devid  Type         BE  state usb-ver ports
0      devicemodel  0   0     2       6
   Port 1:
   Port 2:
   Port 3:
   Port 4:
   Port 5:
   Port 6:
Devid  Type         BE  state usb-ver ports
1      devicemodel  0   0     1       2
   Port 1: Bus 001 Device 008
   Port 2:
[root at debian01:~]# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 4c4a:4155 Jieli Technology USB Composite Device
Bus 001 Device 003: ID 05e3:0610 Genesys Logic, Inc. Hub
Bus 001 Device 004: ID 046a:c110 CHERRY KC 4500 Ergo Keyboard
Bus 001 Device 005: ID 10c4:ea60 Silicon Labs CP210x UART Bridge
Bus 001 Device 006: ID 0557:7000 ATEN International Co., Ltd Hub
Bus 001 Device 007: ID 0557:2419 ATEN International Co., Ltd Virtual 
mouse/keyboard device
Bus 001 Device 008: ID 0a5c:21e8 Broadcom Corp. BCM20702A0 Bluetooth 4.0
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 05e3:0626 Genesys Logic, Inc. Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 004 Device 002: ID 0bda:9210 Realtek Semiconductor Corp. RTL9210 M.2 
NVME Adapter
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 009 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 010 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 011 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 012 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
[root at debian01:~]# xl usbdev-attach usbvm02 hostbus=1 hostaddr=5
libxl: error: libxl_qmp.c:1837:qmp_ev_parse_error_messages: Domain 
14:failed to open host usb device 1:5
libxl: error: libxl_device.c:1500:device_addrm_aocomplete: unable to add 
device
libxl_device_usbdev_add failed.
[root at debian01:~]# xl usbdev-attach usbvm02 hostbus=1 hostaddr=5 
controller=1
[root at debian01:~]# xl usb-list usbvm02
Devid  Type         BE  state usb-ver ports
0      devicemodel  0   0     2       6
   Port 1:
   Port 2:
   Port 3:
   Port 4:
   Port 5:
   Port 6:
Devid  Type         BE  state usb-ver ports
1      devicemodel  0   0     1       2
   Port 1: Bus 001 Device 008
   Port 2: Bus 001 Device 005
[root at debian01:~]#

with XEN 4.17 (and earlier) i only do

xl create /etc/xen/usbvm02.cfg
xl usbctrl-attach usbvm02 version=3 ports=6

xl usbdev-attach usbvm02 hostbus=1 hostaddr=5


regards

Volker


Am 15.12.25 um 19:12 schrieb Maximilian Engelhardt:
> usb = 1