linux-kernel - Need help regarding the USB mass storage driver

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Message-ID: <CAKB833nfHQwdHzCFV6ELrk1-XZT-SN8WxMs=kzO=C8+6foTrDQ@mail.gmail.com>
Date:	Wed, 20 Jun 2012 15:09:20 +0530
From:	Vishal Nandanwar <operational.people@...il.com>
To:	Linux Docs <linux-doc@...r.kernel.org>,
	Linux Embedded Group <linux-embedded@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux USB <linux-usb@...r.kernel.org>,
	Platform driver x86 <platform-driver-x86@...r.kernel.org>
Subject: Need help regarding the USB mass storage driver

Hi,

I am working on a USB mass storage driver for a pen drive. I have done
coding as per the USB_skeleton.c file provided in Linux 3.2 source
code. I could assign the driver to pen drive when pen driver is
inserted in USB connector.

I am stuck in data transfer,  could not do the data transfer. During
enumeration interface sub class is 06 i.e. SCSI transparent command
set. Please find my questions below.

1. Where are these SCSI transparent command set documented?
2. Is there any sample code(apart from Linux source) which describes
the SCSI transparent command set and mass storage driver?
3. When I connect the pen drive and associate my driver, pop up
doesn't appear on the screen for this device. but when default
driver(usb_storage) is used this pop up does appear. What I need to do
here?

Any thing other I need to take care here?

Vishal N
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