Device Drivers

SCSI Passthrough Using Write Buffer Command
Hi everyone, We are trying to send vendor-specific data to an ATAPI device we have designed, using the WRITE BUFFER command (SCSI op code 0x3B) through an application running under WIN 2000. The function uses the IOCTL_SCSI_PASS_THROUGH_DIRECT, just like the spti.c example in the MSDN library. The protocol is... 6 Apr 2006 18:00

XP kernel builds
Hi all. I don't know if this is the right forum for this question, in any case... I have a machine issuing a replicable BSOD in my driver, that I'm not able to replicate on other machines. This machine is running XP SP2 (well, WinDbg says it's SP2), UP kernel, and the file version of ntoskrnl.exe is 5.1... 5 Apr 2006 12:19

Dynamically Loading/Unloading NDIS Drivers From USB Drive
Is it possible to load/unload NDIS drivers (in this case, an NDIS IM driver) on XP and W2K from a USB drive without actually installing the driver (i.e., changing the registry)? I know one solution would be to install the driver using the INetCfg API as shown in BindView, but that would require an install thro... 4 Apr 2006 22:48

OID_TCP_TASK_OFFLOAD
In DDK doc is written: "If an intermediate driver modifies the contents of TCP packets that it forwards down to an underlying miniport driver such that TCP offload functions cannot be performed on the packets, the intermediate driver should respond to OID_TCP_TASK_OFFLOAD queries with a status of NDIS_STATUS_N... 4 Apr 2006 18:09

Kernel mode to user mode communication
Hi, I am developing a mini filter using the Microsoft IFS kit. My mini filter communicates with a user mode service which contains certain business logic. I have written the user mode service as a Windows NT service. The communication is done using the standard api's like FltCreateCommunicationPort, Fil... 8 Apr 2006 14:33

APC_INDEX_MISMATCH
I met following error. It occurres only sometimes in calling DeviceIoControl() to my IM ndis driver with different control codes, not reproducable How can I to solve this problem ? APC_INDEX_MISMATCH (1) This is a kernel internal error which can occur only on a checked build. The most common reason to see suc... 3 Apr 2006 15:20

ROP4
How is ROP4 different from ROP3 and if the device does not support ROP4 is it possible to derive a the ROP3 code from the ROP4 parameter of DrvBitBlt () if yes how ? ... 3 Apr 2006 03:06

Dynamically loading binaries in Kernel mode.
Hi all, 1. I understand that you cannot load user mode DLL's in kernel mode. 2. I need to find out what is the best way to dynamically load code in kernel mode. 3. Based on the answer to #2, how to I compile to a DLL (?) or SYS (?) and how does the code get mapped. Are there any examples, sources that demon... 5 Apr 2006 03:56

RNDIS USB - Device side
Okay I'm totally stumped. I'm working on RNDIS USB device firmware. I've followed everything in the RNDIS specification. Currently I can get device to show up as network adapter. I can set it's IP address, etc, but no network traffic shows up at my bulk end point. What is the magic sequence that starts n... 28 Mar 2006 16:47

How to let BDA driver (DVBT) work on vista beta 1
dear all, I build bda driver that can work on w2k and xp well, but it can't work on vista beta 1. how to let it work well on vista beta?? ... 27 Mar 2006 23:02