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From: Maxim S. Shatskih on 18 Mar 2010 07:05
> I'm not sure how to determine the hardware ID under which I need to
> add these registry keys.

Add for all Disk class, then refuse attach for non-USB disks (i.e. AddDevice is a no-op returning STATUS_SUCCESS).

--
Maxim S. Shatskih
Windows DDK MVP
maxim(a)storagecraft.com
http://www.storagecraft.com

From: Sushma on 18 Mar 2010 07:21
>
> Add for all Disk class, then refuse attach for non-USB disks (i.e. AddDevice is a no-op returning STATUS_SUCCESS).
>

I would like to add filter driver for my USB stick (disk). If I have
more than one USB stick attached, then how do I find my device.

~Sushma


From: Tim Roberts on 18 Mar 2010 23:39
Sushma <sushma.yella(a)gmail.com> wrote:
>
>I would like to add filter driver for my USB stick (disk). If I have
>more than one USB stick attached, then how do I find my device.

Your filter driver can read the device descriptor, which contains the
VID/PID of the device.
--
Tim Roberts, timr(a)probo.com
Providenza & Boekelheide, Inc.
From: Sushma on 19 Mar 2010 10:23
>
> >I would like to add filter driver for my USB stick (disk). If I have
> >more than one USB stick attached, then how do I find my device.
>

Thanks for the reply.

I was actually looking if there is any other possible solution. May be
finding the child device which is enumerated for USBSTOR port. Is this
feasible?

I wanted to make sure if I implemented the best solution.

~Sushma
From: Don Burn on 19 Mar 2010 10:37
USBstor enumerates a disk PDO. Make a disk class upper or lower
filter, then in AddDevice only attach to drives on USB. Note: if you
want an upper filter to the disk this is easy use
IOCTL_STORAGE_QUERY_PROPERTY


Don Burn (MVP, Windows DKD)
Windows Filesystem and Driver Consulting
Website: http://www.windrvr.com
Blog: http://msmvps.com/blogs/WinDrvr




> -----Original Message-----
> From: Sushma [mailto:sushma.yella(a)gmail.com]
> Posted At: Friday, March 19, 2010 10:23 AM
> Posted To: microsoft.public.development.device.drivers
> Conversation: Install Filter Driver
> Subject: Re: Install Filter Driver
>
> >
> > >I would like to add filter driver for my USB stick (disk). If I
have
> > >more than one USB stick attached, then how do I find my device.
> >
>
> Thanks for the reply.
>
> I was actually looking if there is any other possible solution. May be
finding
> the child device which is enumerated for USBSTOR port. Is this
feasible?
>
> I wanted to make sure if I implemented the best solution.
>
> ~Sushma
>
>
> __________ Information from ESET Smart Security, version of virus
signature
> database 4958 (20100319) __________
>
> The message was checked by ESET Smart Security.
>
> http://www.eset.com
>

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