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List:       freebsd-hackers
Subject:    Re: USB device passthrough implementation
From:       Daniel Nicolescu <daniel.nicolescu10 () gmail ! com>
Date:       2020-03-17 15:40:55
Message-ID: CAG9wUUN6SYbMvHCpMJX5eXOwPUYZbSDbYjhn+6ZomBLT_5H=rw () mail ! gmail ! com
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Sure, when we will get there.

Thank you

On Tue, Mar 17, 2020 at 4:09 PM Wojciech Puchar <wojtek@puchar.net> wrote:

> > We want to implement the USB pass through feature for bhyve so that users
> > will be able to pass through individual USB devices like in QEMU. We are
>
> i want to be your beta tester.
>
> > trying to emulate the USB controller and pass to the virtual machine only
> > one port.
> >
> > * We need to disconnect the USB device from host: we are currently not
> very
> > familiar with the kernel API to perform this
>
> in most cases you actually don't have to.
> just use /dev/ugen/* devices
> simply make it as a parameter for bhyve
>
> usbpassthrough=a/device
>
> where a is virtual USB device number (i don't think you want to emulate
> more than one bus - one xhci is already done in bhyve),  and device would
> be like /dev/ugenX.Y
>
>
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