linux-kernel - Re: Fwd: Antwort: Re: vUDC

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Message-ID: <16c02261-4f41-7e75-8b70-64534b4ed971@kernel.org>
Date:   Fri, 9 Dec 2016 07:43:06 -0700
From:   Shuah Khan <shuah@...nel.org>
To:     Krzysztof Opasiak <k.opasiak@...sung.com>,
        elen.niedermeyer@...tronik.com
Cc:     Shuah Khan <shuahkhan@...il.com>, linux-usb@...r.kernel.org,
        kernelnewbies@...linux.org, linux-kernel@...r.kernel.org,
        shuahkh@....samsung.com, Shuah Khan <shuah@...nel.org>
Subject: Re: Fwd: Antwort: Re: vUDC

Hi Krzysztof,

On 12/09/2016 01:43 AM, Krzysztof Opasiak wrote:
> FYI to the list for next generations;)
> 
> 
> -------- Forwarded Message --------
> Subject: Antwort: Re: vUDC
> Date: Fri, 9 Dec 2016 09:00:04 +0100
> From: Elen Niedermeyer <elen.niedermeyer@...tronik.com>
> To: Krzysztof Opasiak <k.opasiak@...sung.com>
> 
> 
> Hi,
> 
> so your script solved my problem. I didn't know that I should start the
> daemon with 'usbipd --device' after starting my emulation. I've tried it
> with 'usbip -d' and then bind my device with 'usbip bind -b BUSID'. But
> there wasn't listet a device by usbip with 'usbip list -l', so I didn't
> know what I have to bind.  Mit freundlichen Grüßen
> Kind regards,
> 
> i.A. Elen Niedermeyer
> Duale Studentin Informatik
> __________________________
> 
> BIOTRONIK SE & Co. KG
> Woermannkehre 1
> 12359 Berlin, Germany
> 
> Phone: +49 (0) 30 68905-2459
> Fax: +49 (0) 30 68905 2940
> Mail: elen.niedermeyer@...tronik.com
> 
> -----Krzysztof Opasiak <k.opasiak@...sung.com> schrieb: -----
> An: Shuah Khan <shuahkhan@...il.com>, Elen Niedermeyer
> <elen.niedermeyer@...tronik.com>
> Von: Krzysztof Opasiak <k.opasiak@...sung.com>
> Datum: 08.12.2016 16:11
> Kopie: linux-usb@...r.kernel.org, kernelnewbies@...linux.org, LKML
> <linux-kernel@...r.kernel.org>, shuah@...nel.org
> Betreff: Re: vUDC
> 
> Hi,
> 
> On 12/08/2016 03:33 PM, Shuah Khan wrote:
>> Hi Elen,
>>
>> Adding k.opasiak@...sung.com
>>
>> On Thu, Dec 8, 2016 at 7:07 AM, Elen Niedermeyer
>> <elen.niedermeyer@...tronik.com> wrote:
>>> Dear Sir or Madam,
>>>
>>> I'm trying to run usbip-vudc since a few days. I want to access my emulated usb devices over usbip.
>>> I use Ubuntu 16.04.01 and updated my kernel to version 4.8.0-30. I've installed linux-tools-4.8.0-30-generic which includes usbip. I enabled the modules usbip-host and usbip-vudc on the server. Futhermore I use configfs to emulate the usb devices.
>>> So I could start the daemon and my emulation. But I can't detect my emulated usb device with usbip to bind it.
>>> Could you help me to run usbip-vudc? Do I have to install an additional package? Do I miss a step?
>>>
>>> Mit freundlichen Grüßen
>>> Kind regards,
>>
>> Could you please send your dmesg? Also could you run usbipd with
>> --debug and usbip with --log option and send the syslog
>>
>> Krzysztof,
>>
> 
> You setup script should look like this:
> 
> Server:
> $ modprobe usbip-vudc
> # Create your gadget, for example:
> $ cd /sys/kernel/config/usb_gadget
> $ mkdir g1
> $ mkdir g1/functions/acm.ser0
> $ mkdir g1/configs/c.1
> $ ln -s g1/functions/acm.ser0 g1/configs/c.1
> $ echo "0x1234" > g1/idVendor
> $ echo "0x5678" > g1/idProduct
> $ echo usbip-vudc.0 > UDC
> $ usbipd --device
> 
> Client:
> $ modprobe usbip-vhci
> $ usbip attach -r $SERVER_IP -d usbip-vudc.0
> 
> Please let me know if your setup script is similar and what exactly is

I would be good to create server_sample.sh and client_sample.sh and add
them to tools/usb/usbip - users can customize them.

What do you think? Is this something you have time for?

thanks,
-- Shuah