Date:   Fri, 09 Dec 2016 18:13:18 +0100
From:   Krzysztof Opasiak <k.opasiak@...sung.com>
To:     shuah@...nel.org
Cc:     valentina.manea.m@...il.com, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH] tools: usb: usbip: Add simple script to show how to setup
 vUDC



On 12/09/2016 06:07 PM, Krzysztof Opasiak wrote:
> Add some simple script which creates a USB gadget using ConfigFS
> and then exports it using vUDC.
> 
> This may be useful for people who just started playing with
> USB/IP and vUDC as it shows exact steps how to setup all stuff.
> 
> Signed-off-by: Krzysztof Opasiak <k.opasiak@...sung.com>
> ---
>  tools/usb/usbip/vudc/vudc_server_example.sh | 100 ++++++++++++++++++++++++++++
>  1 file changed, 100 insertions(+)
>  create mode 100755 tools/usb/usbip/vudc/vudc_server_example.sh
> 
> diff --git a/tools/usb/usbip/vudc/vudc_server_example.sh b/tools/usb/usbip/vudc/vudc_server_example.sh
> new file mode 100755
> index 000000000000..59c5130f85b3
> --- /dev/null
> +++ b/tools/usb/usbip/vudc/vudc_server_example.sh
> @@ -0,0 +1,100 @@
> +#!/bin/bash
> +
> +################################################################################
> +# This is free and unencumbered software released into the public domain.
> +#
> +# Anyone is free to copy, modify, publish, use, compile, sell, or
> +# distribute this software, either in source code form or as a compiled
> +# binary, for any purpose, commercial or non-commercial, and by any
> +# means.
> +#
> +# In jurisdictions that recognize copyright laws, the author or authors
> +# of this software dedicate any and all copyright interest in the
> +# software to the public domain. We make this dedication for the benefit
> +# of the public at large and to the detriment of our heirs and
> +# successors. We intend this dedication to be an overt act of
> +# relinquishment in perpetuity of all present and future rights to this
> +# software under copyright law.
> +#
> +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
> +# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
> +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> +# OTHER DEALINGS IN THE SOFTWARE.
> +#
> +# For more information, please refer to <http://unlicense.org/>
> +################################################################################
> +
> +################################################################################
> +# This is a sample script which shows how to use vUDC with ConfigFS gadgets
> +################################################################################
> +
> +# Stop script on error
> +set -e
> +
> +################################################################################
> +# Create your USB gadget
> +# You may use bare ConfigFS interface (as below)
> +# or libusbgx or gt toool
> +# Instead of ConfigFS gadgets you may use any of legacy gadgets.
> +################################################################################
> +CONFIGFS_MOUNT_POINT="/sys/kernel/config"
> +GADGET_NAME="g1"
> +ID_VENDOR="0x1d6b"
> +ID_PRODUCT="0x0104"
> +
> +cd ${CONFIGFS_MOUNT_POINT}/usb_gadget
> +# Create a new USB gadget
> +mkdir ${GADGET_NAME}
> +cd ${GADGET_NAME}
> +
> +# This gadget contains one function - ACM (serial port over USB)
> +FUNC_DIR="functions/acm.ser0"
> +mkdir ${FUNC_DIR}
> +
> +# Just one configuration
> +mkdir configs/c.1
> +ln -s ${FUNC_DIR} configs/c.1
> +
> +# Set our gadget identity
> +echo ${ID_VENDOR} > idVendor
> +echo ${ID_PRODUCT} > idProduct
> +
> +################################################################################
> +# Load vudc-module if vudc is not available
> +# You may change value of num param to get more than one vUDC instance
> +################################################################################
> +[[ -d /sys/class/udc/usbip-vudc.0 ]] || modprobe usbip-vudc num=1
> +
> +################################################################################
> +# Bind gadget to our vUDC
> +# By default we bind to first one but you may change this if you would like
> +# to use more than one instance
> +################################################################################
> +echo "usbip-vudc.0" > UDC
> +
> +################################################################################
> +# Let's now run our usbip daemon in a USB device mode
> +################################################################################
> +usbipd --device &
> +
> +################################################################################
> +# Now your USB gadget is available using USB/IP protocol.
> +# To check this you may try to list available devices:
> +#
> +# $ usbip list -r $SERVER_IP
> +# Exportable USB devices
> +# ======================
> +# usbipd: info: request 0x8005(6): complete
> +#  - 127.0.0.1
> +# usbip-vudc.0: Linux Foundation : unknown product (1d6b:0104)
> +#            : /sys/devices/platform/usbip-vudc.0
> +#            : (Defined at Interface level) (00/00/00)
> +#
> +# To attach this device to your server you may use:

                                   ^^^^^ this should be client of course

I'll fix this and resend this patch.

Best regards,
-- 
Krzysztof Opasiak
Samsung R&D Institute Poland
Samsung Electronics

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