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What are those other usb root_hubs on my system

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I have a brand new framework 16 laptop and was wandering if i could route a certain usb controller to a VM for use with a music software only available under Windows (So a Linux host system and a Windows VM is the setup i want, no dual-boot), I checked with
to see if there where more than 1 usb controllers and I got this output :
/:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/5p, 480M
    |__ Port 001: Dev 002, If 0, Class=Billboard, Driver=[none], 12M
    |__ Port 001: Dev 002, If 1, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 002: Dev 003, If 0, Class=Hub, Driver=hub/4p, 480M
    |__ Port 003: Dev 004, If 0, Class=Hub, Driver=hub/3p, 480M
        |__ Port 002: Dev 006, If 0, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 002: Dev 006, If 1, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 002: Dev 006, If 2, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 002: Dev 006, If 3, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 004: Dev 005, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 001: Dev 008, If 0, Class=Vendor Specific Class, Driver=[none], 12M
        |__ Port 002: Dev 009, If 0, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 002: Dev 009, If 1, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 002: Dev 009, If 2, Class=Human Interface Device, Driver=usbhid, 12M
        |__ Port 002: Dev 009, If 3, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 005: Dev 007, If 0, Class=Wireless, Driver=btusb, 480M
    |__ Port 005: Dev 007, If 1, Class=Wireless, Driver=btusb, 480M
    |__ Port 005: Dev 007, If 2, Class=Wireless, Driver=[none], 480M
/:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/2p, 10000M
    |__ Port 002: Dev 002, If 0, Class=Hub, Driver=hub/3p, 10000M
        |__ Port 001: Dev 004, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/:  Bus 003.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/1p, 480M
/:  Bus 004.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/1p, 10000M
/:  Bus 005.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/1p, 480M
/:  Bus 006.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/1p, 10000M
/:  Bus 007.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/1p, 480M
/:  Bus 008.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/1p, 10000M
I checked with a usb stick every port and it appears only on bus 1 and 2, not the others. I admit I don't have that much knowledge on how Linux deal with usb but I want to know if those usb controllers can be accessed and if so, can be pass-through to a VM PS : I'm using EndeavorOS Galileo-Neo with GNOME.
Asked by Luna Manson (11 rep)
Apr 23, 2024, 09:47 AM