And if it doesn’t you can create a new Irp for your IO and complete the
original Irp when that Irp completes. A bit more complicated but entirely
do-able.
Mark Roddy
On Fri, Sep 11, 2015 at 3:25 AM, Doron Holan
wrote:
> Yes, you can if your irp has enough remaining stack locations to satisfy
> the target DevIceObject->StackSize value.
>
> d
>
> -----Original Message-----
> From: xxxxx@lists.osr.com [mailto:
> xxxxx@lists.osr.com] On Behalf Of xxxxx@hotmail.com
> Sent: Thursday, September 10, 2015 11:33 PM
> To: Windows System Software Devs Interest List
> Subject: [ntdev] Forwarding IRPs to A Completely Diff Stack
>
> I am new to driver development.
>
> In the DDK, the IoCallDriver() is always described as passing the IRP DOWN
> the stack. But is it possible to forward my IRPs to another device object
> from another pnp stack. The device object may be a filter driver sitting in
> the middle of another independent PNP stack accepting my IRPs as if they
> are coming from the top of its own stack.
>
> I’m trying to slip my filter driver into an existing stack and have my
> filter driver takes over and modifies the existing behaviour of the stack.
>
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