Hi all, I am trying to build a packet to be received by netvmini adapter. In initialization phrase, I allocate the packet buffer bool and packet descripter pool: // // Allocate a buffer pool for...

Hi, I need some info on how to create a linked list to IRPs/URBs and send it down to the bus driver to poll my USB device interrupt endpoint. I would recycle the IRP in my completion routine and add...

how to preinstall ndis based on unsigned driver? I try to use DIFxAPI to preinstall unsigned driver, but it appear "Found New Hardware" Wizard. I also found "blocked (server install). Error...

Dear all, I write a WIA micro driver for our MFP Scanner.After I install it, the My Computer window cannot open,all I get is flashlight indicating "Searching for items...". And I find in Knowledge...

When I use SetupDiGetDeviceRegistryProperty with SPDRP_LOCATION_INFORMATION I get the string "Bus Number 0, Target Id 0, LUN 3". How do I get the port number? Yhy is that information not returned for...

Is there a way to ignore certain assertions that end up in a DbgPrompt and WinDbg requesting input? I'm using XPSP2 and a checked hal, kernel and filter manager. I want the assertions from the...

I don't suppose that there are any cryptographic services available from kernel mode that would permit the establishment of a secure channel between a device and a user mode application. I see a few...

Hi, I have a driver where I want to attach to multiple device objects (targets). Has this been done before? Once attached to the various targets, my driver will get all IRPs destined for them. I...

Hi, I'm using the win32 reg function: ZwSetValueKey (from my driver) to set a key registered with a cluster resource. According to Microsoft documentation when a change to the local registry is made...

Hello All, Is it possible to remap a whole kernel mode driver(.sys) or a part of it (particularly read only portions) and make the system aware of it? There should be a way the system finds address...

Hi, I need ti enumerate all USB bluetooth dongle with a particular VID/PID. We have our usb driver (not signed) and we also use the widcomm bluetooth stack. The bluetooth dongles are also...

I'm using DPInst.exe to install a PnP driver, it installed the driver seemed OK, and everything works, but in Add or Remove Programs in the Control Panel, I have noticed it uses up to 3746.00MB,...

Hi, I have developed a WDM based device driver for a PCI card. I want to write an installer which will install the driver and load it without the need to use 'Add Hardware' utility. I have tried...

hi I find it in many driver sample especially pci driver sample that READ_PORT_ULONG is mainly on the OnInterrupt routine? what if my device has no support for interrupt, say its a...

Hi, I have developed a WDM based device driver for a PCI card. I want to write an installer which will install the driver and load it without the need to use 'Add Hardware' utility. I have tried...

In one of my DeviceIoControl, the BytesReturned is always 3435973836 (0xCCCCCCCC). In the driver I set the value of Irp->IoStatus.Information to 4 and I have verified this value many times. I even...

On Vista build 5270, CreateFile with read/write access on removable drives is available for all accounts. Is this the intention of MSFT on Vista: To allow SCSI Pass-Through commands to removable...

Hi, In my printer driver(user-mode), I am trying to get a character width in logical units, same as by calling GetCharABCWidths function. I think I should use FONTOBJ_cGetGlyphs to get GLYPHDATA...

This is not a posting by a recuiter but rather a company interested in finding a person who is passionate about system level software. If you are interested please reply to careers@teligy.com. We...

Hello, One little question about the Kernel-Mode Driver Framework : "Kernel-mode WDF drivers can run on Windows XP and later operating system releases." : is Windows XP Embedded included ? Thanks...