Device Drivers

KMDF Class Filter Driver Installs on Vista/XP.. Fails on 2K
I am writing a class filter driver off the System Class. The driver installs just fine on Vista and XP via use of WdfPreDeviceInstall and WdfPostDeviceInstall and setting the class registry value for UpperFilters to point to my filter driver. XP needs a little workaround to ensure the KMDF runtime gets loaded in... 20 Oct 2006 18:45

IRQ Sharing with PCI Device
Hello, I've inherited a windows driver that was designed for the NT4 style architecture (non-PNP and non-WDM). Our company manufactures VMEbus cpu boards. This driver is for interfacing to the vmebus (via a pci-to-vme bridge device, the Tundra chip, which is a single function device). This driver works just fine... 7 Nov 2006 11:42

Problem in installing signed driver with DPInst.exe on VistaX64 RC
I have a signed driver. I use DPinst.exe tool to install the driver on VistaX64 RC2. But it is failed to install. It shows a "Program Compatibility Assistant" - "Windows requires a digitally signed driver" dialog. I uninstall the driver. Then, I again use manually to install the driver, and it is successfully. ... 18 Oct 2006 01:36

Unable to build filespy
Hi, I have Beta 2 of the WDK with the IFS included. I'm trying to build filespy but I get an error. Any ideas? Thanks! C:\WINDDK\5744\src\filesys\filter\filespy\filter>build BUILD: Compile and Link for x86 BUILD: Loading c:\winddk\5744\build.dat... BUILD: Computing Include file dependencies: BUILD: Start t... 17 Oct 2006 15:07

DeviceIoControl FSCTL_ALLOW_EXTENDED_DASD_IO returns false
Hi, CString str = \\\\.\\CdRom0; hCD = CreateFile (str, GENERIC_READ| GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); status = DeviceIoControl(hCD, FSCTL_ALLOW_E... 12 Oct 2006 17:38

USB Device Change Notification
Hello All, I am working on WIN 32 Application which gets USB device arrival/removal notification. I used WM_DEVICECHANGE message in WndProc() function. I implemented the DoRegisterDeviceInterface() function when device is opened using CreateFile(): BOOL DoRegisterDeviceInterface( HDEVNOTIFY *hDevNotify... 13 Oct 2006 07:47

MaximumTransferSize limit for bulk on EHCI in Vista RC2 (5744)?
I have an USB2.0 device that communicates pieces of data as large bulk transfers (1-2 MB). On XP I can receive them correctly. As the doc says, MaximumTransferSize seems practically unlimited. On Vista RC2 (5744), USBD_CreateConfigurationRequestEx comes back with MaximumTransferSize set to 0x400000 (no matter wh... 13 Oct 2006 01:28

wdk Vista mirror driver
After making the needed changes my mirror driver is back runnning in Vista. But it act the same as before, directx stuff (like screensavers) generate a black screen. In the documentation "3 lines of extra info" they mention GCAPS2_EXCLUDELAYERED GCAPS2_INCLUDEAPIBITMAP but no futher usage doc is available. T... 12 Oct 2006 12:53

A sort of "query remove lock"?
The documentation for IRP_MN_QUERY_REMOVE_DEVICE in the DDK mentions that if a driver has an outstanding reference against itself from IRP_MN_QUERY_INTERFACE that it should fail the query remove IRP. That makes sense. So, some query interface reference count needs to be checked before succeeding a query remove (e... 8 Oct 2006 10:19

nonPNP sample driver won't install when running .exe
Hi I'm trying to get the nonPNP sample driver to run and get the following error in the console: C:\WINDDK\WDF\KMDF10\src\kmdf\nonpnp\exe\objchk_wxp_x86\i386>nonpnpapp.exe No version specified. Using default version:01001 Unable to install driver. OpenService failed! Error = 1060 OpenService failed! Error = ... 5 Oct 2006 14:21