Accessing a device in a WDM driver

NTDEV
1

I have written a WDM driver for a specific device using the inf “sample.inf” in which i mentioned a device id for the device
In this driver sample.sys i want to access the memory of other device present in the same system with different device id
Is there any possible way
if yes kindly provide me the same

Thanks in Advance

2

The other device needs to provide an interface for your driver to access
this memory. It can be through IRPs or through a function table. If
the other driver does not expose any such interface, you cannot use the
other device’s memory resources.

d

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of
xxxxx@datapatterns.co.in
Sent: Wednesday, August 09, 2006 11:57 PM
To: Windows System Software Devs Interest List
Subject: [ntdev] Accessing a device in a WDM driver

I have written a WDM driver for a specific device using the inf
“sample.inf” in which i mentioned a device id for the device
In this driver sample.sys i want to access the memory of other device
present in the same system with different device id
Is there any possible way
if yes kindly provide me the same

Thanks in Advance

Questions? First check the Kernel Driver FAQ at
http://www.osronline.com/article.cfm?id=256

To unsubscribe, visit the List Server section of OSR Online at
http://www.osronline.com/page.cfm?name=ListServer

3

Design some proprietary interface between the 2 drivers.

Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
xxxxx@storagecraft.com
http://www.storagecraft.com

----- Original Message -----
From:
To: “Windows System Software Devs Interest List”
Sent: Thursday, August 10, 2006 10:56 AM
Subject: [ntdev] Accessing a device in a WDM driver

> I have written a WDM driver for a specific device using the inf “sample.inf”
in which i mentioned a device id for the device
> In this driver sample.sys i want to access the memory of other device present
in the same system with different device id
> Is there any possible way
> if yes kindly provide me the same
>
>
>
> Thanks in Advance
>
> —
> Questions? First check the Kernel Driver FAQ at
http://www.osronline.com/article.cfm?id=256
>
> To unsubscribe, visit the List Server section of OSR Online at
http://www.osronline.com/page.cfm?name=ListServer

4

There is an article titled “Buddy Drivers - Methods for Driver to Driver
communication” which might help you
http://www.osronline.com/article.cfm?id=24

----- Original Message -----
From:
To: “Windows System Software Devs Interest List”
Sent: Thursday, August 10, 2006 10:56 AM
Subject: [ntdev] Accessing a device in a WDM driver

> I have written a WDM driver for a specific device using the inf
“sample.inf”
in which i mentioned a device id for the device
> In this driver sample.sys i want to access the memory of other device
present
in the same system with different device id
> Is there any possible way
> if yes kindly provide me the same
>
>
>
> Thanks in Advance
>
> —
> Questions? First check the Kernel Driver FAQ at
http://www.osronline.com/article.cfm?id=256
>
> To unsubscribe, visit the List Server section of OSR Online at
http://www.osronline.com/page.cfm?name=ListServer

—
Questions? First check the Kernel Driver FAQ at
http://www.osronline.com/article.cfm?id=256

To unsubscribe, visit the List Server section of OSR Online at
http://www.osronline.com/page.cfm?name=ListServer