OSR Online - The Home Page for Windows Driver Developers
OSRLogoOSRLogoOSRLogo x OSR Custom Development Services

Everything Windows Driver Development

GoToHomePage xLoginx

    Sun, 20 Apr 2014     102864 members


  About This Site
What's New?
OSR Dev Blog
The NT Insider
The Basics
File Systems
ListServer / Forum
Driver Jobs


OSR Corporate Website

Introducing: Advanced WDF Driver Development   Last Updated: 01-Mar-14  (Read 1715 times)

Jan-Feb 2014 Issue of The NT Insider   Last Updated: 20-Feb-14  (Read 1371 times)

OSR Seminar Schedule   Last Updated: 14-Feb-14  (Read 16005 times)

Instant Online Crash Dump Analyzer   Last Updated: 03-Sep-10  (Read 37265 times)

Online Crash Analyzer Got a crash dump? Analyze it instantly online (and for free) using OSR's Instant Online Crash Dump Analyzer.  Accepts mini-dumps and kernel summary dumps... you can even zip and upload PDBs.  Check it out!

Driver Jobs: 3 Jobs Available For Driver Writers   Last Updated: 17-Apr-14

Windows 8.1 Update: VS Express Now Supported   Last Updated: 03-Apr-14  (Read 1236 times)
With the release of WDK 8.1 Update, the WDK now supports Visual Studio Express. Say "YAY" for the return of free tools for driver developers.
HCK Client install on Windows N versions   Last Updated: 11-Mar-14  (Read 1065 times)
It took a day of trial and error before I finally figured out why I was getting a 1603 error when installing the HCK Client.
There's a WDFSTRING?   Last Updated: 05-Mar-14  (Read 915 times)
Surprise! WDF has a WDFSTRING Object. And it's actually useful!
When CAN You Call WdfIoQueuePurgeSynchronously   Last Updated: 10-Sep-13  (Read 2504 times)

We’re constantly learning the subtle details of how KMDF works.  We came across an interesting detail today that caused us to scratch our heads to the point we had to ask our friends on the WDF development team what was going on.  Maybe this will help you as some point, too.

UMDF V2 -- It's KMDF Compatible!   Last Updated: 28-Jun-13  (Read 4457 times)

If you thought that big changes in the Windows driver arena were complete with the release of the Windows 8 WDK (which for the first time includes integration with Visual Studio)… you're WRONG.  The latest news, announced at the //Build conference, is UMDF V2.  Check it out...

WdfSend: Are There REALLY Three Useful Variants?   Last Updated: 06-May-13  (Read 13904 times)

When you learn about WdfSend, you typically learn that there are three different ways that you can send a Request to an I/O Target.  It makes a nice story to describe these three options as equally viable for a driver writer.  Unfortunately, in the majority of cases the only practical option is to send a Request asynchronously and specify a Completion Routine Event Processing Callback.  This quick article describes why this is the case.

Turning a Breakpoint into a Busypoint   Last Updated: 22-Apr-13  (Read 6245 times)

Breakpoints are great, but at some point you have to resume from them. What if you want to freeze a thread in place while allowing other threads to continue executing?

The NT Insider Digital Edition - Jan-Feb 2014 Now Available!   Last Updated: 20-Feb-14  (Read 3175 times)

The NT Insider Jan/Feb 2014 The January - February 2014 issue of The NT Insider is available exclusively in PDF format for download. Click the image of The NT Insider to the left for the details, and the download link to use.

Articles include:

- Getting Started Writing Windows Drivers
- WDF File Object Callbacks Demystified
- Windows Pool Manager
- Driver Installers
- Peter Pontificates
...and more!

It's All About The Basics

Check this section for information that's fundamental to driver development on Windows.

File Systems and Filters: A Specialty
If you're a Windows file system or file system filter driver developer, this section is for you.
Sample WDF Driver for Sealevel Digital I/O Kit   Last Updated: 16-Mar-06  (Downloaded 13390 times)
Here's the latest update to the sample KMDF driver for the Sealevel Digital I/O Kit. It supports the most recent release of the SeaLevel DIO-24 board (the 8018). Have fun!
OsrVirtualCdAndDisk   Last Updated: 11-Aug-05  (Downloaded 3725 times)
The OSR Virtual CD and Disk driver allows a user to mount .ISO,.IMG images as CD-ROMs and allows the user to create and mount .DSK files that act as Disk Drives.  In addition true disk image file format (.bin) has been added
Windows Driver Developer Community
What's going on in the community? Check out what people are talking about on the NTDEV and NTFSD discussion lists below. You can participate via email, new reader, or the web. Ask a question, answer a question, or watch the discussion had by others. What are you waiting for... Click here to join the community now!

Peter Hoeller: xp inf file - modify for win7 32bit (5 msgs, last updated 3:56 ago)
Anton S.: Handling IOCTL_KS_READ_STREAM in KMDF filter driver (3 msgs, last updated 7:35 ago)
Chris Harper: Blocking packets in an NDIS LWF (1 msg, posted 9:26 ago)
john lennon: Communication between minifilter and userland app too slow ! (3 msgs)
Pavel S: process termination explanation (12 msgs)
Andrey Kuzokin: Restrictions of the privileged apps number (2 msgs)
han kun: Rename and STATUS_REPARSE II (12 msgs, last updated 5:16 ago)
dhananjay kr: [newbie question]doing I/O in instancesetupcallback (4 msgs)
Prasad Talekar: Identifying specific hardware before calling IoCreateDevice (2 msgs)
Ron Gilaad: FltGetFileContext doesn't find the file context when the minifilter is below CsvNSFlt (8 msgs)
Ron Gilaad: FltCreateFileEx returns a FileObject which is not used during IO (2 msgs)
mark: Any Sophos Safeguard devs here ?? (1 msg)
Join the discussion!   Join the discussion!


Writing WDF Drivers

Palo Alto, CA
28 Apr-2 May 2014

Advanced WDF Driver Development

Palo Alto, CA
5-8 May 2014

Developing File Systems
Boston/Waltham, MA
13-16 May 2014

Windows Internals and SW Drivers

Dulles/Sterling, VA
23-27 Jun 2014


Windows Debugger

Checked Build Downloads

Debugging Symbols

WDK Documentation

Windows WDK


Need to develop a Windows file system solution?

We've got a kit for that.

Need Windows internals or kernel driver expertise?

Bring us your most challenging project - we can help!

System hangs/crashes?

We've got a special diagnostic team that's standing by.

Visit the OSR Corporate Web site for more information about how OSR can help!

Meet the Most Profitable PC Company You've Never Heard Of
Computerworld Windows and XP News
Fri, 18 Apr 2014 17:40:27
Windows' new normal shows software-as-a-service ambitions
Computerworld Windows and XP News
Thu, 17 Apr 2014 22:32:10
Tips To Ensure Easy Adoption Of Cloud Computing
Hardware Analysis
Thu, 17 Apr 2014 17:55:41
Windows XP retirement creates opportunity for Chinese security firm
Computerworld Windows and XP News
Thu, 17 Apr 2014 13:07:11
Microsoft extends Windows 8.1 Update migration deadline for business
Computerworld Windows and XP News
Thu, 17 Apr 2014 13:07:21
x What's the Best OSR-Developed Utility?
IRP Tracker
Virtual CD and Disk
Device Tree
Disk View
Pool Tag
Something Else
They All Rock
They All Suck

View Results
bottom nav links