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

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Message-id: <09380d20-b1da-3b10-45f2-f2836311156f@samsung.com>
Date:   Fri, 09 Dec 2016 18:12:03 +0100
From:   Krzysztof Opasiak <k.opasiak@...sung.com>
To:     shuah@...nel.org, 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
Subject: Re: Fwd: Antwort: Re: vUDC



On 12/09/2016 03:43 PM, Shuah Khan wrote:
> 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?
> 

I have just created one. Patch is on the list[1].

Footnotes:
1 - http://marc.info/?l=linux-usb&m=148130330315109&w=2

Cheers,
-- 
Krzysztof Opasiak
Samsung R&D Institute Poland
Samsung Electronics