Loading multiple original display drivers thru a filter display driver???

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  - 1
    - Windows 2000 and Win XP compatible driver Hi, I am currently developing a USB driver that should support win2k and winxp. My questions is if i have to create two different drivers built with the OS specific include directories in the DDK. Or can i choose for example to use all includes from xp directories and then run that driver on win2k as well without any worries. This is how i am doing it right now, and it works, im just wondering what the correct approach would be? Regards Wilhelm Lundgren Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83515
  - 2
    - Problem in recognizing selected paper Hi All, I am working on development of printer driver for windows-Xp platform using PCL5e emulation. In this driver â??Letterâ?? paper is made as default. This default information (along with some other information in devmode) is saved in system registry during â??DrvPrinterEvent()â??. Later during â??DrvDeviceCapabilities()â?? application comes to know about the standard papers and their sizes supported by this driver. Paper sizes are mentioned in one tenth of millimeter.(as given in windgi.h header file) The problem is, after installing the driver, if I select â??A4â?? paper size from Page Set Up dialog box, (from Ms-Word), the application is recognizing it as â??Letterâ?? (which is default paper size in the driver).I mean to say application is not sending the desired paper size (DMPAPER_ prefixed constant) to the driver. Suppose if I make â??A4â?? as default paper supported by driver, then â??Letterâ?? paper selected from Page Set UP dialog box (from Ms-Word) is recognized as â??A4â??. Application is sending correct paper size to driver for all other paper sizes. This problem occurs only in Ms-word. All other application such as Ms-Exel and Notepad are recognizing the papers correctly and sending the correct paper size (DMPAPER_ prefixed constant) information to the driver. Can any one tell me why this problem appears only in Ms-Word? Help Please Thanks In Advance Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83510
  - 3
    - Winsock Transport Service Provider Hello, folks! I am new to this mailing list. Sorry to bother if this question is not relevant to this group. I have a transport protocol in TDI and I also provide Winsock Transport Service for this protocol with winsock helper DLL. I am using AF_UNSPEC for Address Family for this protocol at this time as there is no suitable address family in the current definition in winsock2.h. And I see that Address families are added by Microsoft when a new family is introduced. Do I have to register to Microsoft to register our Address family to avoid using AF_UNSPEC? If so, to whom (or email address) in Microsoft should I contact? Thank you in advance. Hobin Lee Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83504
  - 4
    - How to disable the promiscuous mode of network adaptor Hello buddies, Is there any method to disable the promiscuous mode of the network adaptor under Windows? Some kind of monitoring software, as sniffer, will set the adaptor into promiscuous mode to sniff something, how to disable this priority of the network adaptor? Thanks. Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83498
  - 5
    - IoBuffer Causing Freeze Hey There, If buffered I/O is being used and the Parameters.DeviceIoControl.OutputBufferLength is > 0 while Parameters.DeviceIoControl.InputBufferLength equals 0, the data should be in AssociatedIrp.SystemBuffer. I create a variable IoBuffer that equals AssociatedIrp.SystemBuffer and try to read the data in IoBuffer. When this is executed, it generates a 0XC0000005 error, which is an Access Violation Error. If the data should be there, what would cause it to create that error? Thanks, Jay Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83497
  - 6
    - IRQ Flags Hey There, I just have a general question. What does it mean exactly if the IRP flags are set to all zeroes? -Jay Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83489
  - 7
    - 1394 OHCI Port Driver API Hi all, Currently I am looking for an API that gives me access to the LLC and PHY registers on my 1394 board. I need this because I want to be able to read the type/version information from these chips since some work better than others. It seems that there is no such functionality in the 1394.h headerfile that ships with the DDK. I have done such a thing before, but then I did it the hard (and ugly?) way: - scan the PCI bus for the 1394 board - Use the PCI interface to access the LLC chip. - Access the PHY trough the LLC chip. I think this is not really thread safe because I have to set the page registers in the PHY, which can be altered in between by the port driver. So, the question is, does anybody know a (more) neat way to do this? Any suggestions will be appreciated. Best regards, Jeroen. Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83485
  - 8
    - 64 Bit CoInstaller Moin, does the co-installer for a x64 bit driver package need to be native 64 bit or does the 32 bit co-installer work as well ? I found that when I supply the 64 bit co-installer for my driver package it works as expected but the 32 bit version is not loaded. I never saw a reqirement for a 64 bit co-installer. Does anyone of you have more knowledge in that area ? Bis gleich ... Stefan Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83482
  - 9
    - AddPrinter Hi, I write a small setup in C++, which installs my own printerdriver. I do the following steps: 1. Create a new local port 2. Install printerdriver 3. install the printprocessor 4 Install the virtual printer Everything is fine, but the 4.step fails. When I try it with the "Add printer wizard" with a inf-file, it works, but win XP says that the driver isn't digital signed. Can this the problem, why AddPrinter doesn't work and how can I solve this problem? Thanks. Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83481
  - 10
    - Extract Emf from Spoolfile Hi, I wrote a small application which extracts emf from a spoolerfile. I read the articel from Microsoft India (http://www.microsoft.com/india/msdn/articles/130.aspx), but just the first page works. Can anybody help me. Do I need the shadow file. Here is me routine. Thanks. bool CMBSpoolFile::GetMetaFileFromSpoolFile(TCHAR *SpoolFileName , int PageNbr, TCHAR *MetaFileName, LPBYTE *pDevmode) { bool bRet = true; try { HANDLE hFile = CreateFile( SpoolFileName, GENERIC_READ, // open for reading FILE_SHARE_READ, // share for reading NULL, // no security OPEN_EXISTING, // existing file only FILE_ATTRIBUTE_NORMAL, // normal file NULL); // no attr. template HANDLE hMapFile = CreateFileMapping( hFile, // handle to file NULL, // security PAGE_READONLY, // protection 0, // high-order DWORD of size 0, // low-order DWORD of size NULL // object name ); LPBYTE pMapFile = (LPBYTE)MapViewOfFileEx( hMapFile, // handle to file-mapping object FILE_MAP_READ, // access mode 0, // high-order DWORD of offset 0, // low-order DWORD of offset 0, // number of bytes to map NULL // starting address ); DWORD granularity = *((DWORD *)pMapFile); pMapFile += sizeof(DWORD); DWORD splheader = *((DWORD *)pMapFile); pMapFile += splheader; DWORD metafilelen = *((DWORD *)pMapFile); pMapFile += sizeof(DWORD); // This is hack after comparison with win9x. for(int Nbr = 1 ; Nbr < PageNbr ; Nbr++) { pMapFile += metafilelen; if(0)//pPDev->pResetDC[Nbr - 1] == FALSE { pMapFile += 20; } else { /* skip the reset devmode here */ pMapFile += 4; // This marker is the same as the one after Devmode DWORD offset = *((DWORD *)pMapFile); //this is multiple of 4bytes. pMapFile += offset + 4; // devmode + devmode-length pMapFile += 16 + 4; //Regular 20 bytes seperator(marker,...,metalen-tillhere,0000,startpagemarker) } metafilelen = *((DWORD *)pMapFile); pMapFile += 4 ; //This has the metafile length!!! //keep incrementing till we are on the last page. } if (metafilelen > 0) { HANDLE hMetaFile = CreateFile( MetaFileName, GENERIC_READ | GENERIC_WRITE, // open for reading FILE_SHARE_READ, // share for reading NULL, // no security CREATE_ALWAYS, // existing file only FILE_ATTRIBUTE_NORMAL, // normal file NULL); // no attr. template DWORD numWritten; WriteFile( hMetaFile, // handle to output file pMapFile, // data buffer metafilelen, // number of bytes to write &numWritten, NULL // overlapped buffer ); if(1)//pPDev->pResetDC[PageNbr - 1] == TRUE { LPBYTE ptr = pMapFile + metafilelen; if(pDevmode) { ptr += 4; // This marker is the same as the // one after Devmode DWORD offset = *((DWORD *)ptr); //this is multiple of 4bytes. *pDevmode = (LPBYTE)malloc(offset); memcpy(*pDevmode , ptr + 4 , offset); } } CloseHandle(hMetaFile); } else bRet = false; UnmapViewOfFile( pMapFile); // starting address CloseHandle(hMapFile); CloseHandle(hFile); } catch (...) { return false; } return bRet; } Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83480
  - 11
    - How to add HDMI support in video miniport driver? I have some experience on VGA compatible video miniport driver development. Now the interface between the display card and monitor changes to HDMI from VGA interface. I don't know how to modify the video miniport driver to support HDMI interface. As I know in the VGA compatible video miniport driver, I need to implement SVGA functions. Now for HDMI, what should be done? Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83473
  - 12
    - Device Name to Dos Name (IoQueryFileDosDeviceName) Hello all, I'm writing a kernel driver that needs the Dos name of a file (that's either stored on the hard drive or network). I'm looking for a function that converts a Device Name into an Dos name. For example: \Device\HarddiskVolume1\Windows\Explorer.exe = C:\Windows\Explorer.exe or \Device\LanmanRedirector\Server\Share\Folder\File.ext = \\Server\Share\Folder\File.ext Under Windows XP I can use IoQueryFileDosDeviceName (found it in the WDK) that does exactly this. But my driver also needs to work on Windows 2000. Is there another way to convert a Device Name to MS-DOS Name in a Kernel Driver? Kind regards, Erik Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83472
  - 13
    - Why no floppy tape drivers from Win2k on? When Windows 2000 came out, it removed support for floppy based tape drives (qic117.sys) What technical limitiation was introduced in Windows 2000 that didn't exist in Windows NT 4 that prevented Microsoft (and everyone else) from supplying a driver? It's not hardware, as my newest hardware (running NT4) still can use the device. It's not security with device abstraction, as it works on Windows NT. What is preventing everyone from creating a device driver for a floppy based tape drive? Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83470
  - 14
    - Plz help me to correct my code to send E-mail as NT service . I tried to send e-mail as NT service but i could not send it. the Mapilogon function fails to logon in NT service. But It works well as an Standalone application. here is my code for only sending mail..... MapiFileDesc file={0,MAPI_OLE_STATIC,0,"D:\\MSDN.doc","MSDN.doc",".Doc"}; MapiRecipDesc recipient ={0, MAPI_TO,"NT Service test mail",email,0, NULL}; MapiMessage message ={0,(char *)Name,"NT Service testl" , NULL,NULL , NULL , 0 , NULL , 1 , &recipient , 1 , &file}; LHANDLE lhSession; HMODULE hMAPILib; hMAPILib = LoadLibrary("MAPI32.DLL"); lpfnMAPILogon =(LPMAPILOGON)GetProcAddress(hMAPILib, "MAPILogon"); lpfnMAPISendMail =(LPMAPISENDMAIL)GetProcAddress(hMAPILib, "MAPISendMail"); lpfnMAPILogoff =(LPMAPILOGOFF)GetProcAddress(hMAPILib, "MAPILogoff"); ULONG ln; ln=(*lpfnMAPILogon)(0, "SB","sb", MAPI_NEW_SESSION , 0,&lhSession); if(ln==SUCCESS_SUCCESS) MessageBox(NULL,"logon","NT Service",MB_OK); else MessageBox(NULL,"not logon","NT Service",MB_OK); (*lpfnMAPISendMail)(lhSession, 0, &message, 0, 0); (*lpfnMAPILogoff)(lhSession, 0, 0, 0); MessageBox(NULL,"Message sent","sent",MB_OK); FreeLibrary(hMAPILib); When i run as NT service the Messagebox is displayed which shows "not logon". But it works well as standalone application.. please help me in this regard. I am a fresher and joined in an company as a developer in VC++. please help me ... Looking forward to reply from you.. Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83467
  - 15
    - FsRtlIsNameInExpression All, I realise that this is slightly off topic for which I apologise but I think this newsgroup is the best chance I have of getting an answer! Does anyone know if there is a user-mode equivalent for FsRtlIsNameInExpression? I have to do some pattern matching in a native dll and I figured that if there is an equivalent anywhere in user-mode then this would be significantly less error prone than me knocking one out on a deadline. Many thanks in advance, Carl Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83465
  - 16
    - Problem in SRB_SURPRISE_REMOVAL , Driver is Crashing!!!!!!!!!! Hello all , I am writing a stream class minidriver.I have a crash problem in function where i handle "SRB_SURPRISE_REMOVAL " ---> In that function I try to access "HwDeviceExtension"and "Stream Object" members of present SRB ( SRB_SURPRISE_REMOVAL).. ---> As a result of that my driver is crashing.!!!!! Can any body tell me ..the reasons for this..? " Actually i have to de-allocate the buffer which i have allocated in Init function and stored the pointer to buffer in Device Extension , so in order to clean up that i require to access device extension." Can any body help me out.. Thanks & Rgds, Darshan Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83457
  - 17
    - Filter Hook Hi, Drivers are very new to me, can someone help me with the next issue please: I have tried to set up a Filter Hook driver. I took an example code from codeproject (DrvFltIp) and it works ok on my computer (Windows XP). When I try to process the packets more thoroughly than in this example code, my computer crashed (freezes or restarts immediately). The crash happens when I do something that involves a KeWaitForSingleObject or a KeDelayExecutionThread call (but I am not sure these are the only scenarios that cause a crash). I looked in the dump file with WinDbg after the crash and saw that one of the last actions of the kernel were sending an interrupt and afterwards an exception. So my guess was that the kernel is sending a trap that was sent to it by the hardware to my driver to handle, but since I didn't set up an interrupt call back function, an exception is raised. The next thing I did was to try and set up an interrupt call back function, but this also caused a similar crash to the system (when I tried to pull out the parameters that I have to pass to the function "IoConnectInterrupt" from the isrStack). I tried to call the function "IoConnectInterrupt" from the function "DriverObject->MajorFunction[IRP_MJ_CREATE]" when got "IRP_MJ_CREATE" in "irpStack->MajorFunction" or when I got "IRP_MN_START_DEVICE IRP" in "irpStack->MinorFunction". When I tried even to access the parameter "irpStack->Parameters->StartDevice.AllocatedResourcesTranslated->Count" (even without calling "IoConnectInterrupt") it caused a crash. If anyone can help me understand what I am doing wrong, and why I am getting all these crashes I would be grateful. Thanks, Guy Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83448
  - 18
    - Unable to DEbug the Driver in the user mode Hi, I have created a Use mode driver which act as a virtual printer,which trasmit the byte array to the .Net application. I was able to debug the driver in through visual studio.net 2003. Now I am not able to debug the Driver in the User mode. I don't know why it is happening. I want to debug step by step through source fine. Any Help is great for me. Thanks, Sahaj Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83446
  - 19
    - Compiling the BindView application in Windows DDK Hi: I am trying to compile the BindView application in the windows DDK. The compilation instructions that came with it (type build ) don't work so I created a project and am trying to compile it in visual studio. I am getting link errors such as: 1>bindview.obj : error LNK2019: unresolved external symbol __imp__SetupDiDestroyClassImageList@4 referenced in function "int __stdcall MainDlgProc(struct HWND__ *,unsigned int,unsigned int,long)" (?MainDlgProc@@YGHPAUHWND__@@IIJ@Z) 1>bindview.obj : error LNK2019: unresolved external symbol __imp__SetupDiGetClassImageList@4 referenced in function "int __stdcall MainDlgProc(struct HWND__ *,unsigned int,unsigned int,long)" (?MainDlgProc@@YGHPAUHWND__@@IIJ@Z) 1>bindview.obj : error LNK2019: unresolved external symbol __imp__SetupCloseInfFile@4 referenced in function "long __cdecl GetPnpID(wchar_t *,wchar_t * *)" (?GetPnpID@@YAJPA_WPAPA_W@Z) 1>bindview.obj : error LNK2019: unresolved external symbol __imp__SetupOpenInfFileW@16 referenced in function "long __cdecl GetPnpID(wchar_t *,wchar_t * *)" (?GetPnpID@@YAJPA_WPAPA_W@Z) 1>bindview.obj : error LNK2019: unresolved external symbol __imp__SetupGetStringFieldW@20 referenced in function "long __cdecl GetKeyValue(void *,wchar_t const *,wchar_t const *,unsigned long,wchar_t * *)" (?GetKeyValue@@YAJPAXPB_W1KPAPA_W@Z) 1>bindview.obj : error LNK2019: unresolved external symbol __imp__SetupFindFirstLineW@16 referenced in function "long __cdecl GetKeyValue(void *,wchar_t const *,wchar_t const *,unsigned long,wchar_t * *)" (?GetKeyValue@@YAJPAXPB_W1KPAPA_W@Z) 1>bindview.obj : error LNK2019: unresolved external symbol __imp__SetupDiGetClassImageIndex@12 referenced in function "int __cdecl GetItemInfo(struct HWND__ *,struct _TREEITEM *,long *,unsigned long *,int *)" (?GetItemInfo@@YAHPAUHWND__@@PAU_TREEITEM@@PAJPAKPAH@Z) 1>netcfgapi.obj : error LNK2019: unresolved external symbol __imp__SetupCopyOEMInfW@32 referenced in function "long __cdecl HrInstallNetComponent(struct INetCfg *,wchar_t const *,struct _GUID const *,wchar_t const *)" (?HrInstallNetComponent@@YAJPAUINetCfg@@PB_WPBU_GUID@@1@Z) 1>MSVCRTD.lib(crtexe.obj) : error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup 1>C:\Documents and Settings\ksurlaker.NETCHEM\Desktop\bindview\Debug\bindview.exe : fatal error LNK1120: 9 unresolved externals 1>Build log was saved at "file://c:\Documents and Settings\ksurlaker.NETCHEM\Desktop\bindview\bindview\Debug\BuildLog.htm" 1>bindview - 10 error(s), 18 warning(s) What lib file do I need to add to the project to fix this ? Thanks, Kapil Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83431
  - 20
    - Error Reading from Io Hey there, I most of the code of my simple driver that I am writing working, with one exception. In the code below, when I uncomment the DbgPrint statement that is commented out (the one that says "DbgPrint("IoBuffer[%d]=%02x\n",i,(ULONG)IoBuffer[i]);" ) and put it into the for loop, the machine freezes, but when take it out, everything works fine. Any ideas as to why this is occurring? Thanks! Jay NTSTATUS TDIIoControlInternal(PDEVICE_OBJECT DeviceObject, PIRP Irp) { NTSTATUS NtStatus = STATUS_SUCCESS; PEXAMPLE_FILTER_EXTENSION pFilterDevContext = (PEXAMPLE_FILTER_EXTENSION)DeviceObject->DeviceExtension; PIO_STACK_LOCATION pIoStackIrp = NULL; PUCHAR IoBuffer; ULONG InputLength; ULONG OutputLength; ULONG i; UNREFERENCED_PARAMETER(i); pIoStackIrp = IoGetCurrentIrpStackLocation(Irp); if(pIoStackIrp) { IoBuffer = Irp->AssociatedIrp.SystemBuffer; InputLength = pIoStackIrp->Parameters.DeviceIoControl.InputBufferLength; OutputLength = pIoStackIrp->Parameters.DeviceIoControl.OutputBufferLength; if((OutputLength > 0) && (OutputLength < 1000)) { DbgPrint("OutputLength = %d\n",OutputLength); for(i = 0;i < OutputLength;i++) DbgPrint("IoBuffer[%d]\n",i); // DbgPrint("IoBuffer[%d]=%02x\n",i,(ULONG)IoBuffer[i]); } } IoSkipCurrentIrpStackLocation(Irp); ASSERT(KeGetCurrentIrql() <= DISPATCH_LEVEL); NtStatus = IoCallDriver(pFilterDevContext->pNextDeviceInChain, Irp); return NtStatus; } Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83413
  - 21
    - non-hardware driver? If I have a WDM kernel driver that I want to load that has no hardware associated with it (no PCI vendor/device ID), how do I get it to load? Under the 'old' model, I would make a DriverEntry() and call net start after modifying the registry appropriately. I don't see how to do that with WDM. 1. What do I put in the .inf file in the models-section-name and 2. How do I enable/disable/update it from within the Device Manager? Thanks in advance. --Ed Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83408
  - 22
    - Can't get stream point when attached two devices into a usb hub Hi all, I encountered this issue when I attached two usb dvbt devices into my pc by one usb hub. I called KsPinGetLeadingEdgeStreamPointer in a system thread. Just after run the graph, KsPinGetLeadingEdgeStreamPointer could return stream pointer, but some seconds later, it always returned NULL. When I attached the two device into the pc directly(no through usb hub), it could work well. I have no idea about this issue. Could you gurus give me some comments or indicate how to debug this issue? Thanks! Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83375
  - 23
    - Console Mode application in WinCE Dear All, I need a sample console mode application in WinCE or WinXP to interact with PnP Hardware in such a way that commands to the hardware should be able to be issued from a Text file and result should be dumped to another text file Thank u all in advance regards Nagaraj Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83370
  - 24
    - PCI bus, device, and function numbers from SetupDi? Is there a way to get the PCI bus, device, and function number for a device that works even when Windows has been localized to another language? I'm getting SPDRP_LOCATION_INFORMATION with the SetupDi functions and on an English system I get a string like "PCI bus 0, device 31, function 1" and I'm able to parse out the info. But if I'm running on the Japanese version of Windows XP, that string is in Japanese so the parsing fails. I can look for numeric digits and parse those in order, but that's a hack and I'm not sure if it will work on all languages since the string could be re-ordered. I looked around at the other SPDRP_* properties, but nothing seemed to contain the PCI bus, device, and function numbers. Is there some other way to do this? Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83363
  - 25
    - Mapping multiple physical/system address virtual buffers into a single user-space virtual range. My question is as follows: Suppose I have a number of driver-allocated buffers. How can I map them into a single contiguous user-space buffer. I guess I should build an MDL that describes the physical pages mapped for these buffers and call MmMapLockedPagesSpecifyCache(), but did someone do this in practice? There seems to be no function to add several different pages to an MDL. Thanks a lot in advance, Greg. Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83354
- Next
  - 1
    - How to start use DDK...? Hi all, I am beginner in Driver development. Can any body explain how start to use DDK. when ever I call build.exe, I am getting error saying "Build.exe is not a valid Win32 Application" and displaying "Access is Denied" in terminal. plz explain why it is? And How to resolve this issue? Thanks in Advance... Regards, Mohamed Jaffar. H Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83335
  - 2
    - Build Error: PCCARD_ATTRIBUTE_MEMORY_SPACE Undeclared Identifier?? I'm using PCCARD_ATTRIBUTE_MEMORY_SPACE as parameter for IRP_MN_READ_CONFIG to get pcmcia card attribute memory. After build the driver in XP DDK checked build environment, I got this error message. Also I can't find the definition for this parameter in DDK header files. How could this happen? Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83324
  - 3
    - NDIS Protocol Driver and model OSI I am working with the standar NDIS and I have development my NDIS Protocol Driver using the NDISPROT of the Windows Server 2003 DDK. In the documentation about this matter I have read "network protocol" ,"protocol driver","NDIS Protocol Driver" and "transport protocol". I am confusing with those terms. Could you tell me the differences between them? Another question: If a "network protocol (i.e.TCP/IP)" is in the level 3 of OSI, and a "transport protocol" is in the level 4 of OSI, What level is the "NDIS Protocol Driver"? .I think level 3, is correct it?? Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83318
  - 4
    - Knowing a specific registry key before plugging a USB device Hello, My question concerns the way to know a specific registry key that is created by Windows the first time a USB device is plugged. Let me explain it in detail: When plugging for the first time my USB device (vid=xxxx, pid = xxxx) to a given USB port: Windows creates a specific key (for example 5&206acfca&0&1) under the directory: HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Enum\\USB\\Vid_xxxx&Pid_xxxx What I would like to know is how this key 5&206acfca&0&1 is generated and if it is possible to know it (with a function from Windows API) BEFORE the USB device is plugged. I have notice that this key is the same if the same USB device is plugged in the same USB port. To summarize: I have 6 USB ports in my computer and I know all information of my USB device, is it possible to know WITHOUT plugging my device each key (?&????????&?&?) of each port ? Thanks, Olivier Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83317
  - 5
    - IRQL He11 I am currently modifying a driver we use internally that interfaces with a PCI board. We are adding a DMA capability to the board where we can DMA data to and from specific memory regions, that is working correctly and I get interrupts and get into my DpcForIsr, etc, BUT what I need to do when I get data from the DMA is write it out to a file. Now, I know that in my Dpc I can't call ZwWriteFile to write out to my file that I opened previously, so I wrote code to setup a work item to do it for me. I am trying to copy the data from the NonPagedPool physical memory that the DMA is going into to another buffer that the work item can use to write to the file. I am having major issues because obviously RtlCopyMemory can't be called in the Dpc either because the IRQL is wrong. I tried getting an MDL and locking the pages in memory so they are resident before calling RtlCopyMemory, but I am having a heck of a time. If anyone can help out I would appreciate it greatly, below is the portion of the code that I am having problems with, it is contained in a DpcForIsr. // allocate a work item context pWriteCtx = (PWRITECTX_INFO) ExAllocatePoolWithTag( NonPagedPool, sizeof(WRITECTX_INFO), 'xtcW' ); // assign file handle pWriteCtx->hFile = pDmaStream->hFile; pWriteCtx->pBuffer = (U32*)ExAllocatePoolWithTag( NonPagedPool, pBuffer->Size, 'Wmem' ); if(pWriteCtx->pBuffer == NULL) { DebugPrintf(( "Insufficient resources to allocate work queue buffer\n" )); ExFreePool(pWriteCtx); } else { try { RtlZeroMemory(pWriteCtx->pBuffer, pBuffer->Size); pWriteCtx->bufferSize = pBuffer->Size; pMdl = IoAllocateMdl( pWriteCtx->pBuffer, pBuffer->Size, FALSE, TRUE, NULL ); pMdlDma = IoAllocateMdl( (PVOID)pBuffer->UserAddr, pBuffer->Size, FALSE, TRUE, NULL ); MmBuildMdlForNonPagedPool( pMdl ); MmBuildMdlForNonPagedPool( pMdlDma ); MmProbeAndLockPages( pMdl, KernelMode, IoWriteAccess ); MmProbeAndLockPages( pMdlDma, KernelMode, IoReadAccess ); // // Map the physical pages described by the MDL into system space. // Note: double mapping the buffer this way causes lot of // system overhead for large size buffers. // pTempBuf = MmGetSystemAddressForMdlSafe( pMdl, NormalPagePriority ); pTempDmaBuf = MmGetSystemAddressForMdlSafe( pMdlDma, NormalPagePriority ); // copy the data from the buffer into the work queue buffer RtlCopyMemory( (VOID*)pTempBuf, (VOID*)pTempDmaBuf, pBuffer->Size ); // unlock the pages and free the MDL MmUnlockPages( pMdl ); MmUnlockPages( pMdlDma ); IoFreeMdl( pMdl ); IoFreeMdl( pMdlDma ); pBuffer is the buffer that represents the DMA buffer where the data from the DMA is located. My work item context structure looks like this: typedef struct _WRITECTX_INFO { PIO_WORKITEM item; DEVICE_EXTENSION *pdx; U32* pBuffer; U32 bufferSize; HANDLE hFile; } WRITECTX_INFO, *PWRITECTX_INFO; I am very new to driver development, so I know I am doing something wrong (obviously or it would be working). Thanks! Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83307
  - 6
    - Irp->MdlAddress is NULL Hi, I'm writing a network driver based on passthru sample. I want to add ReadFile function. I saw a sollution in the other sample (called ndisuio) so I try to do it in the same way. But in ...ServiceReads funtion Irp->MdlAddress is NULL. I don't have any idea why. I checked that in Ndisuio there's no function like MmBuildMdlForNonPagedPool or MmProbeAndLockPages, is it ok (I read DDK and they seem to be necessary) ? Second question : Irp->UserBuffer isn't NULL - can I use it instead of MdlAddress? Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83306
  - 7
    - .inf file characteristics? What is the correct Characteristics hex use for Virtual Adapter Itermediate Network Driver? Currently I'm using: Characteristics = 0x4490 ; NCF_FILTER | NCF_HAS_UI | NCF_NO_SERVICE | NCF_NDIS_PROTOCOL Thxn Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83299
  - 8
    - pci bus discovery According to white papers when the bus driver pci.sys discovers a bridge device, it will determine if the device is initialized and if not, it will assign the default values to the secondary interface of 64MB Memory, 64MB Pre-Fetch and 4K IO (assuming the upstream device has enough available as well.) What I have never heard is how pci.sys determines whether to assign the default values or not. I had initially assumed it was looking at the Command register (offset 0x04). I had initial success with experimentation on this assumption, but I have recently discovered the following cases: 1. The Command register is set and resources appear to be assigned by the BIOS, but pci.sys assigns new resources to the default values. 2. The command register is 0, but pci.sys does not assign resources to the secondary interface, it sets the command register and leaves the rest of the configuration space alone. In the former case the problem must be in the BIOS. The latter case was discovered while testing hot-plugging on a PCI-Express device so the problem is most likely in the device's EEPROM. The latter case was also seen in both XP and Vista. Knowing what pci.sys is doing here would be helpful to anyone developing devices with bridges, or writing the BIOS/UEFI. Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83288
  - 9
    - Error With TDI Driver Hey There, I have the following code, and it gives me the BSOD when it tries to unload the driver. The windbg output of the error is: ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M (1000007e) This is a very common bugcheck. Usually the exception address pinpoints the driver/function that caused the problem. Always note this address as well as the link date of the driver/image that contains this address. Some common problems are exception code 0x80000003. This means a hard coded breakpoint or assertion was hit, but this system was booted /NODEBUG. This is not supposed to happen as developers should never have hardcoded breakpoints in retail code, but ... If this happens, make sure a debugger gets connected, and the system is booted /DEBUG. This will let us see why this breakpoint is happening. Arguments: Arg1: c0000005, The exception code that was not handled Arg2: f88db0c8, The address that the exception occurred at Arg3: f8988b90, Exception Record Address Arg4: f898888c, Context Record Address Debugging Details: ------------------ EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at "0x%08lx" referenced memory at "0x%08lx". The memory could not be "%s". FAULTING_IP: TDIDriver+20c8 f88db0c8 ?? ??? EXCEPTION_RECORD: f8988b90 -- (.exr fffffffff8988b90) Cannot read Exception record @ f8988b90 CONTEXT: f898888c -- (.cxr fffffffff898888c) Unable to read context, Win32 error 30 CUSTOMER_CRASH_COUNT: 1 DEFAULT_BUCKET_ID: DRIVER_FAULT BUGCHECK_STR: 0x7E LAST_CONTROL_TRANSFER: from 81ea3550 to f88db0c8 STACK_TEXT: WARNING: Stack unwind information not available. Following frames may be wrong. f8988c54 81ea3550 e291c264 00320030 f88de078 TDIDriver+0x20c8 f8988c7c 805a0799 81ea3550 82199000 00000000 0x81ea3550 f8988d4c 805a0a6e 00000a08 00000001 00000000 nt!IopLoadDriver+0x66c f8988d74 804e426b 00000a08 00000000 823c8b30 nt!IopLoadUnloadDriver+0x45 f8988dac 8057be15 f8a1ccf4 00000000 00000000 nt!ExpWorkerThread+0x100 f8988ddc 804fa4da 804e4196 00000001 00000000 nt!PspSystemThreadStartup+0x34 00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x16 STACK_COMMAND: .bugcheck ; kb FOLLOWUP_IP: TDIDriver+20c8 f88db0c8 ?? ??? FAULTING_SOURCE_CODE: SYMBOL_STACK_INDEX: 0 FOLLOWUP_NAME: MachineOwner SYMBOL_NAME: TDIDriver+20c8 MODULE_NAME: TDIDriver IMAGE_NAME: TDIDriver.sys DEBUG_FLR_IMAGE_TIMESTAMP: 44d0a5ac FAILURE_BUCKET_ID: 0x7E_TDIDriver+20c8 BUCKET_ID: 0x7E_TDIDriver+20c8 Followup: MachineOwner --------- The code I have executing is: NTSTATUS DriverEntry(PDRIVER_OBJECT pDriverObject, PUNICODE_STRING pRegistryPath) { NTSTATUS NtStatus = STATUS_SUCCESS; UINT uiIndex = 0; PDEVICE_OBJECT pDeviceObject = NULL, pFilteredDevice = NULL; UNICODE_STRING usDriverName, usDosDeviceName, usDeviceToFilter; PEXAMPLE_FILTER_EXTENSION pFilterDeviceContext; RtlInitUnicodeString(&usDeviceToFilter, L"\\Device\\Tcp"); RtlInitUnicodeString(&usDriverName, L"\\Device\\TdiDriver"); RtlInitUnicodeString(&usDosDeviceName, L"\\DosDevices\\TdiDosDriver"); NtStatus = IoCreateDevice(pDriverObject, 0, &usDriverName, FILE_DEVICE_UNKNOWN, FILE_DEVICE_SECURE_OPEN, FALSE, &pDeviceObject); for(uiIndex = 0; uiIndex < IRP_MJ_MAXIMUM_FUNCTION; uiIndex++) pDriverObject->MajorFunction[uiIndex] = TDIInvalidFunction; pDriverObject->MajorFunction[IRP_MJ_CLEANUP] = TDICleanUp; pDriverObject->MajorFunction[IRP_MJ_CLOSE] = TDIClose; pDriverObject->MajorFunction[IRP_MJ_CREATE] = TDICreate; pDriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = TDIIoControl; pDriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = TDIIoControlInternal; pDriverObject->MajorFunction[IRP_MJ_READ] = TDIRead; pDriverObject->MajorFunction[IRP_MJ_WRITE] = TDIWrite; pDriverObject->DriverUnload = TDIUnload; pFilterDeviceContext = (PEXAMPLE_FILTER_EXTENSION)pDeviceObject->DeviceExtension; NtStatus = IoAttachDevice(pDeviceObject, &usDeviceToFilter, &pFilterDeviceContext->pNextDeviceInChain); if(!NT_SUCCESS(NtStatus)) { IoDeleteDevice(pDeviceObject); } else { // pFilteredDevice = pFilterDeviceContext->pNextDeviceInChain; //pDeviceObject->Flags |= pFilteredDevice->Flags & (DO_BUFFERED_IO | DO_DIRECT_IO); //pDeviceObject->DeviceType = pFilteredDevice->DeviceType; // pDeviceObject->Characteristics = pFilteredDevice->Characteristics; pDeviceObject->Flags |= DO_BUFFERED_IO; pDeviceObject->Flags &= (~DO_DEVICE_INITIALIZING); } IoCreateSymbolicLink(&usDosDeviceName, &usDriverName); return NtStatus; } VOID TDIUnload(PDRIVER_OBJECT pDriverObject) { UNICODE_STRING usDosDeviceName; PEXAMPLE_FILTER_EXTENSION pFilterDeviceContext = (PEXAMPLE_FILTER_EXTENSION)pDriverObject->DeviceObject->DeviceExtension; RtlInitUnicodeString(&usDosDeviceName, L"\\DosDevices\\TdiDosDriver"); IoDeleteSymbolicLink(&usDosDeviceName); ASSERT(KeGetCurrentIrql() == PASSIVE_LEVEL); IoDetachDevice(pFilterDeviceContext->pNextDeviceInChain); ASSERT(KeGetCurrentIrql() <= APC_LEVEL); IoDeleteDevice(pDriverObject->DeviceObject); } It is a very simple driver. Any ideas? -Jay (patelj27b at gmail dot com) Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83285
  - 10
    - Writing driver for blocking IO ports Hi .. I need to implement an IO port blocker in the form of a WDM driver(filter driver).I will start with the elementary case namely the blocking of the parallel port.Any ideas about how to proceed? Will completing IRP_MJ_READ/IRP_MJ_WRITE using IoCompleteRequest work or is there any other way out? Regards DC Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83282
  - 11
    - Debug Printing from SCSI miniport Hi, DbgPrint is not available for SCSI miniports. I am unable to get DebugPrint messages at WinDbg. Any suggestions on how to get debug prints out of a SCSI miniport driver. Thanks in advance. vs Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83270
  - 12
    - One driver for two device? I have implemented a bda driver for our usb device. Now, we should support MCE, which requests the driver to support two devices on one hub. After refer to ddk sample, generictuner, I implemented GetMedium method in the tuner filter, like following: ---8<--------------------------------------------->8--- CFilter::GetMedium(IN PIRP p_irp, IN PKSMETHOD p_ks_property, OUT KSPIN_MEDIUM* p_ks_medium) { NTSTATUS status = STATUS_SUCCESS; if (p_ks_medium == NULL) { p_irp->IoStatus.Information = sizeof(KSPIN_MEDIUM); return STATUS_MORE_ENTRIES; } PKSFILTER p_ks_filter = KsGetFilterFromIrp(p_irp); if (p_ks_filter == NULL || p_ks_filter->Context == NULL) { status = STATUS_INVALID_PARAMETER; return status; } CFilter* p_filter = (CFilter*)p_ks_filter->Context; if (p_filter->m_p_device == NULL) { status = STATUS_INVALID_PARAMETER; return status; } p_filter->m_p_device->GetInstanceID(p_ks_medium->Id); // So, we only support two instances now. if (p_ks_medium->Id == 0) { p_ks_medium->Set = GUID_FIRST_INSTANCE; } else if (p_ks_medium->Id = 1) { p_ks_medium->Set = GUID_SECOND_INSTANCE; } else { p_ks_medium->Set = KSMEDIUMSETID_Standard; } p_ks_medium->Flags = 0; return status; } ---8<--------------------------------------------->8--- But after I enabled this method, the two filters, tuner and capture, could not be conneted successfully. Did I missed something? Or may I misunder the medium? Did the Medium use to differentiate the instances from one driver? Any comments are welcome! Advance thanks! William Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83269
  - 13
    - DeviceIOControl to mouse driver.. Hi, We are developing a USB mouse driver and also its utility.. If the class name was assigend as USB in the inf file (ie, the deivce would be listed in the USB in the device manager), we find our utility could communicate with our own mouse driver without any issue. Well, if we change the class name from USB to Mouse in the inf file..(ie., the device would be listed under Mouse in the device manager).. the same code "DeviceIOControl" would return an error code "1" (Invalid function)... Could anyone provide a hint for that.. Thanks. -chueh8 Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83268
  - 14
    - How to Link USB audio device ID with Hardware MID&PID My question is: How to get the exact link between high level device ID and Hardware MID&PID of an USB audio device? Or how to get the high level device ID of a given MID&PID? Especailly when mutiple USB device is plug-in. What we have tried: We can open a particulary USB audio device by the device ID, such as using uDeviceID to open a wave-audio by WaveInOpen() function. And we can also get the Hardware MID&VID by other functions. It's supposed that function like waveInGetDevCaps() can get MID&VID for a given uDeviceID to build the link. However, by using waveInGetDevCaps(), we always get: mid = 0x1 pid = 0x65 according to definition: #define MM_MICROSOFT 1 /* Microsoft Corporation */ #define MM_MSFT_WDMAUDIO_WAVEIN 101 /* Generic id for WDM Audio drivers */ Could anyone help with solving this issue? Thanks! Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83267
  - 15
    - UMDF driver debugging Hi, I am studying UMDF driver now. I am trying to use WinDbg to trace "echo" driver (sample in WDK). After application open the driver, I try to set breakpoint into driver, but WinDbg can not find the code and symbol. (I already set file path.) WinDbg could debug UMDF driver ? Also, do UMDF driver cound use assembly for I/O. I am tring to use : mov al, 60h out 80h, al , but it seems not work. Jacob Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83266
  - 16
    - UVC, Vista, Selective Suspend in XP, I think USB Video Class(UVC) don't support Selective suspend. in Vista, Do you know UVC support Selective suspend ? Out customer is keen to power saving. Please tel me any documents or clues about it. Thanks in Advance. shinji Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83265
  - 17
    - Cannot open $MFT::$BITMAP attribute Hi I'm trying to open $MFT::$BITMAP file to defragment it and get error "file not found". The file is opened by a NT native application at boot time so it's not a problem with access rights, moreover other system locked files (pagefile.sys etc.) can be opened normally. I guess the file name/path isn't formatted correctly although other similar files like $Secure:$SDH:$BITMAP are opened without problem. Can anyone shed some light on this problem please? Thanks Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83264
  - 18
    - Having a problem of Vista XPSDrv filter to call an entry in other I built a pass through filter(stream in and stream out) and it worked fine. Then I tried calling an entry to one DLL built by VC8 or WDK. But the filter failed to load. The linker linked correctly. I think it might be caused by incorrect building process of the DLL. Can anyone give me some simple sample(codes, build file, environment) which works? Thanks. Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83263
  - 19
    - Looking for a way to develop Virtual Printer Driver Hi all, I'm looking for a way to develop a Virtual Printer Driver but i don't know where should i begin. Any advice? Thanks, Hieu LE Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83259
  - 20
    - Windows XP Driver Hang I have written a driver for a PCMCIA serial device. This device uses the underlying Microsoft Serial Driver (serial.sys) to communicate with the hardware. The problem I am having is that it hangs when I use the driver under Windows XP for the first time. The circumstances in which it hangs are strange. I take a Windows XP system that has never seen this driver and install it and reboot the computer. I plug the card in the laptop and windows recognizes the driver and installs the unsigned driver. Thereafter I can write data to the driver the first time and it responds properly but when I try to write data the second time the OS freezes. I was debugging the driver code step by step and I noticed that the IRP that I send to the serial driver is completed and the completion routine is called but half way in to this routine suddenly the system freezes. It does not happen on the same line of code but it does happen in the same function. When I look at the stack I don't see my driver anywhere. I belive that something else is causing the freeze. But this only happens once after that I can write and read data and there is no problem at all. Any help is welcome. Thank you, Shreyash B. Patel Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83250
  - 21
    - EngSetEvent? I am writing a Mirror Driver. My Mirror driver needs to use EngSetEvent(..) to signal a wait thread in user-app. The Event was mapped using EngMapEvent and returns != NULL; When the driver uses EngSetEvent, my machine freeze and I have a blue screen. What am I doing wrong? If you need more information, tell me. Regards, cox Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83246
  - 22
    - Fonts used in EMF Spool file How can I find out which fonts are used in an EMF .spl file? I found out that one way to do it is by enumerating all records in the metafile, looking for SelectObject records and if a font, examining its entry in the handle table. Is there another way to do it? Thanks Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83243
  - 23
    - hyperthreading prevents printer driver installation Hi, I'm having a problem with our printer driver in Windows XP Professional when hyperthreading is turned on in the BIOS. It attempts to install but looking at the error log it says that Windows deletes the printer afterwards. The driver has a IPrintOemUI COM interface to add a tab to the property pages. I built this driver using an old Windows 2000 DDK. Should I be revising it? Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83242
  - 24
    - NDIS driver install by snetcfg.exe help! Hi everyone, I write a NDIS driver and use "Local area network property" to install driver, and it 100% success. If I used "snetcfg.exe" for programatical install my NDIS driver at the computer logon then I get blue screen randomly, I think about 70% success. For cases that success, Device Manger->Network adapter showed: -Network adapters --Intel(R) PRO/100 S Dual Port Server Adapter --Intel(R) PRO/100 S Dual Port Server Adapter - My Sample Virtual adapter --Intel(R) PRO/100 S Dual Port Server Adapter #2 --Intel(R) PRO/100 S Dual Port Server Adapter #2 - My Sample Virtual adapter Everytime the installation failed it give me a Blue Screen and automaticly reboot the node. Then it kicked off the snetcfg.exe to install again. I checked in the Device Manager->Network Adapters showed: -Network adapters --My Sample Virtual adapter (extra stand alone,I think this is causing blue screen) --Intel(R) PRO/100 S Dual Port Server Adapter --Intel(R) PRO/100 S Dual Port Server Adapter - My Sample Virtual adapter --Intel(R) PRO/100 S Dual Port Server Adapter #2 --Intel(R) PRO/100 S Dual Port Server Adapter #2 - My Sample Virtual adapter My guess is timing, when snetcfg.exe start install and the network adapters are there but not fully functioning/binding yet. and when snetcfg install it couldn't find the adapter to bind and it just install the Ndis driver as a stand alone network adapter. Please correct me if I'm wrong... My question is: how do I check if network support is ready/fully functioning inorder for me to install 100% sucess. OR is there any other hints/method for me to avoid the blue screen and also the driver work properly by using snetcfg.exe to install. Many many thanks for any help! ttan Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83239
  - 25
    - x64 intrinsic __readmsr and __writemsr Hi, I would like to know if there is any change in the implementation of these functions on Windows server 2001 sp1 ddk build 1830. I was using these functions in driver interrupt routine with ddk build 1069. When I use new ddk compiler, I see driver binary size significantly increase (~2k), and driver gets a blue screen if the interrupt routine is enabled, which practically do only a msr write function. This msr write operation was safe with ddk build 1069. Any input? Thank you, RJ Tag: Loading multiple original display drivers thru a filter display driver??? Tag: 83238

Hi !!!!!!

Please help me out.

Does anyone knows how to load multiple orignal display drivers thru a
filter display driver ?

Thanks in Advance :-))
Mangesh

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