XPS Print drivers

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- Previous
  - 1
    - Bitmap Printer driver BMP -- Tiff I'm a newbie developer. Im using the sample Bitmap printer driver that comes with the DDK. This is what im doing to get a multi page tiff. Instead of just using the EndDoc function I also overwrite the StartPage function where i see if this is a new page i create a Imag00x.bmp file and finally in the EndDoc function write the finalpage Imgxxx.bmp Then I take each of these bmp files and use GDI+ to create a TifG3 file and then combine them together into one single tiff file. Am I doing anything wrong ? The other question I have is regarding resolution. I see that the sample provides for 3 different resolutions 150x150, 300x300 & 600x600. But the output bimap if i look in MSPaint shows a resolution of 4x4, 8x8, 15x15 . how is this happening and what is the relation ? Any help is appreciated. Tag: XPS Print drivers Tag: 81907
  - 2
    - Is it poosible to write Vista Model driver on old 2D card? Hi, here is my question: If the video card has no 3D hardware, is it possible to write Vista Model driver? Vista can support both W2k model display driver and vista model driver. I found I can not install two video cards -- one is W2k model driver and one is vista model driver on the same machine. Is it true that two model drivers could not co-exist? We have a video card only support DDRAW and no texture support. We developed W2k model driver for all Window OS till WinXP 64. It seems dead with Vista model since it is required Direct 3D suppport. Is it true? Is it possible to write Vista model driver on 2D only card even without texture support? Thanks, Yi Tag: XPS Print drivers Tag: 81906
  - 3
    - How to include header files of DDK correctly in MSVC 6? I often need to write windows program (using MFC) that uses special APIs defined in DDK header files. Therefore, the project includes some header files from MSVC and some header files from DDK. I add the DDK header file directory into MSVC's include path. (VC6's top menu : Tools /Options/Directories/Include files) However, I often get many compile errors in those DDK header files since it seems that DDK's header files have some conflicts with MSVC's header files. Each time I need to try many include order and possibilities. Does anyone know the method that can simplify this effort? or What's the correct method to include DDK header files for windows program in MSVC 6? Best Regards JJ Huang Tag: XPS Print drivers Tag: 81898
  - 4
    - classifyfn never called Hello, Hopefully this is the place to post this. I'm trying out the vista beta 2 and the WDK 5384 and learning to write a driver as I go. So I'm trying to get up to speed with a new task at work and I'm stumped at this point. Maybe someone out there has an answer to this. I've looked through the WDK documentation and I'm still frustrated. I'm supposed to investigate writing a kernel mode driver to run on vista that will log IP traffic. I create the classifyfn, noifyfn and flowdeletefn, create the FWPS_CALLOUT0 structure and register it successfully. I know the filter engine is running based on the call to FwpmBfeStateGet0() call. I create an FWPM_CALLOUT0 structure and provite it with the key that is my callout, the layer (I picked FWPM_LAYER_INBOUND_TRANSPORT_V4, but I've tried a few others as well), and call FwpmCalloutAdd0() successfully. All that *seems* fine, but I must be missing something here as my classifyFn is never called. I would have expected it to get called at some point when I had IP traffic. Has anyone done anything such as this? I'm still trying to get my hands around this problem. It was my assumption that filter engine would then automatically call my classifyFn and then I could process the info at that point. Am I missing something? Thanks in advance for your advice. Tag: XPS Print drivers Tag: 81896
  - 5
    - How to catch Device events like USB, DeviceArrival/Removed etc. Hi, i want to catch any Device Event that araises on my system but i dont want to write a kernel mode driver to filter them. It should be a UserMode Application with GUI. i.e. an MFC Appliation or native Win32API with GUI. Best would be in C/C++ MFC. How can i master this? Thanks in advance... Best regards Kerem Gümrükcü Tag: XPS Print drivers Tag: 81892
  - 6
    - Helpme Driver Canon LP460 for WinXP AnyOne can helpme to find this driver? Thanks Tag: XPS Print drivers Tag: 81891
  - 7
    - how to change data output in TestCap Example on DDK hi all, i am seeing TestCap example on DDK, it very complex, i do not know change output data of it at which function, pls anybody help me??? Thanks very much, David, Tag: XPS Print drivers Tag: 81890
  - 8
    - vmware & usb isochronous transfers Hi everyone, Bit of an esoteric question here.. The latest VMware workstation now supports isochronous transfers for USB devices. I've checked it works using a USB audio device in conjunction with microsoft's usbaudio.sys driver. But for some reason my own (in-development) driver is not able to do isoch transfers. I don't get returned any errors when submitting the requests, but my IoCompletion routine does not get called in a timely fashion, and from monitoring I can see that the usb requests to not make it to the wire. I've checked over and over to make sure my requests are good, and can't see anything out of line (I've been using the isousb sample code as inspiration). The driver works fine when used normally (i.e. not under vmware). Does anyone have experience of this, or know of any special requirements for vmware - usb isoch? Thanks, Nick Tag: XPS Print drivers Tag: 81889
  - 9
    - HDD Filter Driver Hi, I am new in device driver development. i am looking for some easy tutorial to implement HDD Filter. Is there any tutorial ? Regards jahid Tag: XPS Print drivers Tag: 81885
  - 10
    - About DMA : Packet Based & Common Buffer Can you give me som info about them -> First of all which one is more common ? Which devices use PacketBased DMA and which devices use CommonBuffer , and also which use both of them ? Finally which devices generally have their own DMACs ? (bus-masters) Tag: XPS Print drivers Tag: 81884
  - 11
    - PnP: What is causing this rebalance? I'm modifying the toaster bus sample to support other devices, and no matter what resources I request for these devices, the PnP system tries to rebalance and (eventually) fails. I can't figure out what resources are in conflict. Here is the output from kd for the resources I'm requesting for this particular device: ResReqList: Interface: ffffffff, Bus: fff, Slot: 0, AlternativeLists: 1 Alternative List: DescCount: 1 Opt: 1, Share: 3 IO Min: 0:00000000, Max: 0:0000ffff, Algn: 1, Len 1 This port range does include some ports that are not in use by any other device, as near as I can tell from the other Resource Requirement Lists printed out in kd. Is there another way to see where the conflict is happening? One other curious thing: My bus driver FDO gets IRP_MN_QUERY_STOP_DEVICE, which it succeeds, and then it immediately gets IRP_MN_CANCEL_STOP_DEVICE. Could that be part of the problem, and if so, how do I find out who's failing the QUERY_STOP_DEVICE? Thanks, John Tag: XPS Print drivers Tag: 81877
  - 12
    - About DMA : Packet Based & Common Buffer Can you give me som info about them -> First of all which one is more common ? Which devices use PacketBased DMA and which devices use CommonBuffer , and also which use both of them ? Finally which devices generally have their own DMACs ? (bus-masters) Tag: XPS Print drivers Tag: 81875
  - 13
    - USB class For a long time, Microsoft has been mentioning in this group (and various places in the documentation) that peripherals are required not use Class=USB in their infs because that's reserved for host controllers and hubs. Dire WHQL consequences have been hinted at. I was just trying to convince one of our firmware guys of this, and he pointed out that there are several .inf files in Windows\INF that violate this rule, including many that are WHQL signed... notably many things that act like thumb drives such as media players, as well as a couple of modems (mostly this question comes up around here with respect to development devices such as FTDI/EZ-USB/etc.). So... What's the current state of this advise? What's the actual fallout if you violate this rule? -- Ray Tag: XPS Print drivers Tag: 81859
  - 14
    - Vista TCP I'm having a problem with a 802.11n WiFi driver I am developing for Vista (build 5384). When I use a static IP address, everything works fine. However, if I use DHCP, I don't get a DHCP address allocated to me from the AP. I know DHCP in Vista 5384 works because I have a Realtek 8185 802.11g card that works OK. Here are a couple of clues to the problem: 1. The first thing I found was that the driver was transmitting the DHCP DISCOVER broadcast packet and then receiving a DHCP OFFER broadcast back from the AP. However, the driver's packets filters were setup to handle only DIRECTED (i.e. unicast) packets. This seemed a little strange, since I believe during TCP protocol initialization the driver should be called to set the the MULTICAST and BROADCAST filters. 2. Thinking that perhaps I had a problem with the packet filters, I jury-rigged the driver to accept all packets which then started indicating the DHCP OFFFER broadcasts up to the protocols. This did not work. TCP still would not transmit a DHCP REQUEST packet to the AP. 3. Thinking that I still have a problem with the packet filters, I add more debug traces to the driver and rerum the test. PRESTO! Now I have a valid DHCP address from the AP. Strange. However, now I cannot ping the AP. Anybody have any thoughts about this problem? ((&-> Tag: XPS Print drivers Tag: 81851
  - 15
    - USB 2.0 isoch irp IoCompletionRoutine delayed on SMP machines Hi all. I'm developing a USB 2.0 driver for XP that runs in and out isoch and bulk pipes at the same time. On SMP machines I'm seeing the following issue: As long as only isoch irps are submitted, the isoch irp IoCompletionRoutine gets called immediately (or at least less than 1 ms) after the IN stream urb was filled with data. However, as soon as bulk or control requests are submitted asynchronously, there is a certain chance that the callback into the isoch IoCompletionRoutine gets delayed for up to 10 ms. This happens only on SMP machines and only with the MS USB 2.0 EHCI driver, I'm not seeing any starvation on single processor systems or when using the USB 1.1 UHCI driver on SMP systems. The starvation always occurs if the bulk request was submitted right before the isoch IoCompletionRoutine is due. I tried synchronizing the bulk requests with the isoch requests (i.e. only issue a bulk request immediately after an isoch request). This reduced the frequency of the starving issue a lot. However, I'm still seeing delays from time to time, especially if the bulk traffic is high. Another workaround might be to set the processor affinity for both, the isoch and the bulk requests to the same CPU. However, to do this, I would need to change the processor affinity of the EHCI DPC that issues the IoCompletionRoutine. Is there a way to retrieve the PKDPC from the IoCompletionRoutine? I guess not. So my question is: Is this a known issue, and if so, is there a better workaround? -- Stephan Tag: XPS Print drivers Tag: 81848
  - 16
    - avstream pin allocator framing requirements Hi everyone, I'm in the middle of writing my first avstream-based minidriver, and have been experimenting with the behaviour of everything. I'm confused, though, when it comes to the concept of allocator framing. I gather from the DDK documentation that I should be able to declare a KSALLOCATOR_FRAMING_EX struct and point to it in my pin descriptor, and through it specify what frame sizes my pin's process dispatch can accept. DECLARE_SIMPLE_FRAMING_EX(PinFraming, STATIC_KS_TYPE_DONT_CARE, KSALLOCATOR_REQUIREMENTF_SYSTEM_MEMORY, 1024, // Frames FILE_BYTE_ALIGNMENT, 6, // MinFrameSize 6 // MaxFrameSize ); Now with these requirements specified by my pin, I'd expect to be given up to 1024 frames, each of 6 bytes in size, in one call to my process dispatch. What I actually get passed is one frame 8192 bytes long, clearly beyond the range I specified. Any ideas why the system is ignoring my framing requirements? I've tried specifying much larger frame sizes, but the system still passes me 8192 bytes. Help! Thanks, Nick Tag: XPS Print drivers Tag: 81847
  - 17
    - USBPrint.sys on Windows XP SP2 What would be the conditions (or reasons) for usbprint.sys to stop sending the SOF to a printer device? Is there a maximum number of errors reported by the printer device that USBPrints.sys would shutdown the USB communication? Any other information would help. Mario Tag: XPS Print drivers Tag: 81846
  - 18
    - How to set the uninstall order of drivers with DIFxApp? I've created an installation package with InstallShield 11.5 for Windows. It installs four different drivers using "ready made" DIFxApp functions ie. the device driver wizard of InstallShield. One of the drivers is the parent driver for all the remaining three drivers. The installation works fine, but when I have to uninstall the drivers there is a problem: I should be able to tell the order in which the drivers are uninstalled. Is there a possibility to tell the DIFxApp the order in which the drivers should be uninstalled? I did not found any solution to this in InstallShield help, so I wanted to ask if anybody has already had to figure this out. Tag: XPS Print drivers Tag: 81839
  - 19
    - HELP: How to debug "stuck IRPS" in TDI filter Hi Our product contains TDI filter and File system filter driver. Lately, several applications began to stuck with no known reason. I think that one of our filters causes some of the IRPS to "get stuck" so the user mode process isn't getting a response to its request and it gets stuck too. These are the symptoms: -Two computers that sometimes have their telnet application stuck when it tries to disconnect. -One computer had it's excel stuck. I don't know if excel is creating some kind of communication so I don't know if the problem is in the TDI or the file system filter. -One computer that runs AutoIt (a QA helper app). The AutoIt got stuck and afterwards all iexplore, msnm, and outlook got stuck (the application window is freeze after I run it). The wired thing is, that mozilla firefox runs OK! All the problems occurred after SEVERAL DAYS of work while our product was running. Because most of the problems were in communications apps, we think it's the TDI filter. Any idea how to debug such a problem? Is there a way to get all the stuck IRPS for a process or a driver? (Maybe doing a manual dump and get it from there?) Thanks for any help. Tag: XPS Print drivers Tag: 81831
  - 20
    - Serial Joystick Hello Group I'm new in driver development. And must admit that this is realy complicated for me :). My problem is like that: I have a joystick that use the serial port. My goal is to write a "driver" that use this serial port but acts like a joystick which is selectable in the game controller dialog. I've found out that I need the sermouse and the vhdmini example to to that. But could what are the steps that I have to do. Or is there any example code anywhere? I hope you guys could help me. thanks Tag: XPS Print drivers Tag: 81829
  - 21
    - Scanner WIA Driver Hi, I'm developing a wia driver for a scanner, but I can't understand the different behavior of MS Paint and MS Office. If I scan with Paint I have a mirrored and rotated image, but in Office (Word etc) I don't have this behavior. Do you know why ? Can I modify this, to have the same behavior? Thank you Tag: XPS Print drivers Tag: 81828
  - 22
    - Strange difference between XP and win2k driver Hi, Im am currently "porting" a XP driver to Win2k and during the process i got stuk on a wierd problem when trying to read from the USB. The USB device chip is a ftdi um245R. When reading from it in XP, that works ok i do: UsbBuildInterruptOrBulkTransferRequest( &current->dUrb, sizeof(_URB_BULK_OR_INTERRUPT_TRANSFER), pdx->myPipe, &buffer->data, NULL, pdx->bufferChunkSize, USBD_TRANSFER_DIRECTION_IN | USBD_SHORT_TRANSFER_OK, NULL ); KeInitializeEvent(&current->dEvent, NotificationEvent, FALSE); current->dIrp = IoBuildDeviceIoControlRequest( IOCTL_INTERNAL_USB_SUBMIT_URB, // IoControlCode pdx->LowerDeviceObject, // DeviceObject NULL, 0, NULL, 0, TRUE, &current->dEvent, // Event &current->dIostatus // IoStatusBlock ); if (!current->dIrp) { KdPrint((DRIVERNAME " - Unable to allocate IRP for sending URB\n")); goto endThread; } stack = IoGetNextIrpStackLocation(current->dIrp); stack->Parameters.Others.Argument1 = (PVOID) &current->dUrb; status = IoCallDriver(pdx->LowerDeviceObject, current->dIrp); KdPrint((DRIVERNAME " - IoCallDriver 1 returned: %8.8X\n",status)); This works fine in XP, status returned from IoCallDriver is 0x103. But when i do the same thing in Win2k i get a status of 0xC000000D which in my test application translates to ERROR_INVALID_PARAMETER. The test application is exactly the same code in xp and win2k. Can someone please help me with this, i have no clue on why it behaves like this since i believe that this is the correct syntax of doing a read. Regards Wilhelm Tag: XPS Print drivers Tag: 81825
  - 23
    - SDIO: Is cmd53 tested with sdbus driver in XP, SP2 for block mode Hi, I'm doing sdio driver on XP SP2. This SDIO driver is compiled using 2003 SP1 ddk. SDIO card is coming up properly and i could do several operations using CMD52 (read/write etc). I have not enabled the interrupts yet. Now, i'm trying the CMD53. CMD53 works fine in byte mode. That is BlockMode in SD_RW_EXTENDED_ARGUMENT is set to 0 and the parameters in SDCMD_DESCRIPTOR set to SDTT_SINGLE_BLOCK and SDRT_5. But when i try the SDTT_MULTI_BLOCK mode, the command sent on the bus is not proper. I captured the CMD53 on the bus using LA, and this is what i found. My block size set was 4 bytes. I was trying to read/write 8 bytes so that two blocks of transaction should happen. But all the time, the CMD53 on the bus had 8 as Block Count. After i did some different exercise, i found that the Parameters.DeviceCommand.Length is sent as block count for CMD53 instead of .u.bits.Count in SD_RW_EXTENDED_ARGUMENT. (I made sure that the Block Mode in SD_RW_EXTENDED_ARGUMENT is set to 1 so that even on the bus i see the same for cmd53. I do not see any response from the SDIO card for this and also, the bus driver is returning back, 0xC0000185 or 0x80000011.. My sdio card supports block mode (the card capability reg- 0x08 of cccr reads 0x1F .....) Is the bus driver in XP SP2 tested with CMD53 block mode (or SDTT_MULTI_BLOCK) ? I have attached the CMD53 function i've written, along with this mail... Please let me know if there is any problem. Eliyas, please help ! Rgds Esha ------------------------------------ NTSTATUS SdioReadWriteBuffer(PDEVICE_OBJECT fdo,IN ULONG Function,IN PUCHAR PBuffer,IN ULONG Address, IN UCHAR BlockMode,IN ULONG Length,IN BOOLEAN WriteToDevice,OUT PULONG BytesRead) { PFDO_DATA fdoData; PSDBUS_REQUEST_PACKET sdrp; SD_RW_EXTENDED_ARGUMENT extendedArgument; NTSTATUS status = STATUS_SUCCESS; PMDL Mdl=NULL; UCHAR i; PUCHAR pBuf=NULL; ULONG BlockSize=0; ULONG len = Length; ULONG Data=0; SDCMD_DESCRIPTOR ReadIoExtendedDesc = {SDCMD_IO_RW_EXTENDED, SDCC_STANDARD,SDTD_READ, SDTT_MULTI_BLOCK , SDRT_5}; //{SDCMD_IO_RW_EXTENDED, SDCC_STANDARD,SDTD_READ, SDTT_MULTI_BLOCK , SDRT_1}; SDCMD_DESCRIPTOR WriteIoExtendedDesc = {SDCMD_IO_RW_EXTENDED, SDCC_STANDARD,SDTD_WRITE, SDTT_MULTI_BLOCK , SDRT_5}; fdoData = (PFDO_DATA)fdo->DeviceExtension; SdioDbgPrint(TRACE,"cmd53: fn %d len %d,add 0x%X blkmode %d WrRd %d\n",Function, Length,Address,BlockMode,WriteToDevice); if(BlockMode == BYTE_MODE) { ReadIoExtendedDesc.TransferType = SDTT_SINGLE_BLOCK; WriteIoExtendedDesc.TransferType = SDTT_SINGLE_BLOCK; //len = BlockSize; len = Length; } else { //(Function == FN0) ? (BlockSize = fdoData->BlockSizeFN0) : (BlockSize = fdoData->BlockSizeFNx); //status = SdioReadWriteByte(fdo, FN0,(PUCHAR)&BlockSize,FN0_BLOCK_SIZE_REG,FALSE); //just for testing, make sure that the same is written in FN0_BLOCK_SIZE_REG before running this BlockSize = 0x04; SdioDbgPrint(TRACE,"\nBlksize 0x%X\n",BlockSize); //Round of the length to the block size if(Length % BlockSize) len = (((Length / BlockSize) * BlockSize) + BlockSize); else len = ((Length / BlockSize) * BlockSize); } SdioDbgPrint(TRACE,"Calc len 0x%X\n",len); pBuf = ExAllocatePool(NonPagedPool,len); if (!pBuf) { return STATUS_INSUFFICIENT_RESOURCES; } RtlZeroMemory(pBuf, len); if (WriteToDevice) RtlCopyMemory(pBuf,PBuffer, Length); // first, get an MDL to map the data. Call IoAllocateMdl to // allocate an MDL and pass in a pointer to a buffer // allocated from the non-paged pool. Mdl = IoAllocateMdl(pBuf, len, FALSE, FALSE, NULL); if (Mdl == NULL) { ExFreePool(pBuf); return STATUS_INSUFFICIENT_RESOURCES; } MmBuildMdlForNonPagedPool (Mdl); // next, allocate a request packet for the arguments of the command sdrp = ExAllocatePool(NonPagedPool, sizeof(SDBUS_REQUEST_PACKET)); if (!sdrp) { IoFreeMdl(Mdl); return STATUS_INSUFFICIENT_RESOURCES; } RtlZeroMemory(sdrp, sizeof(SDBUS_REQUEST_PACKET)); sdrp->RequestFunction = SDRF_DEVICE_COMMAND; extendedArgument.u.AsULONG = 0; if(BlockMode == BYTE_MODE) { extendedArgument.u.bits.BlockMode = 0; extendedArgument.u.bits.Count = len; } else { extendedArgument.u.bits.BlockMode = 1; extendedArgument.u.bits.Count = len / BlockSize; } SdioDbgPrint(TRACE,"cmd53:set Count %d, blkmode %d\n",extendedArgument.u.bits.Count, extendedArgument.u.bits.BlockMode); extendedArgument.u.bits.Function = Function; extendedArgument.u.bits.OpCode = 1; // increment address extendedArgument.u.bits.Address = Address; if (WriteToDevice) { extendedArgument.u.bits.WriteToDevice = 1; sdrp->Parameters.DeviceCommand.CmdDesc = WriteIoExtendedDesc; } else { extendedArgument.u.bits.WriteToDevice = 0; sdrp->Parameters.DeviceCommand.CmdDesc = ReadIoExtendedDesc; } sdrp->Parameters.DeviceCommand.Argument = extendedArgument.u.AsULONG; sdrp->Parameters.DeviceCommand.Mdl = Mdl; //This send the Block Count in CMD3 as the blocksize * num of block and //makes the system crash - BSOD //sdrp->Parameters.DeviceCommand.Length = len; //With this the SdBusSubmitRequest returns 0xc0000185 status and //the Block count in CMD53 gets the actual byte read/write length //sdrp->Parameters.DeviceCommand.Length = Length; //This send the Block Count in CMD3 as proper block count, but still the //bus drivers gives status as 0xc0000185 or 0x80000011 sdrp->Parameters.DeviceCommand.Length = extendedArgument.u.bits.Count; //len; // finally, submit the request status = SdBusSubmitRequest(fdoData->SDBusInterface.Context,sdrp); SdioDbgPrint(TRACE,"cmd53: resplen: %d\n",sdrp->ResponseLength); SdioDbgPrint(TRACE,"cmd53: sts: %X \n",status); SdioDbgPrint(TRACE,"cmd53: info: %X\n",sdrp->Information); if (NT_SUCCESS(status) && !WriteToDevice) { *BytesRead = Length; RtlCopyMemory(PBuffer, pBuf, Length); } IoFreeMdl(Mdl); ExFreePool(pBuf); ExFreePool(sdrp); return status; } ---------------------------------- Tag: XPS Print drivers Tag: 81823
  - 24
    - where can I find the definition of USB_STATUS_XXX code? where can I find the definition of USB_STATUS_XXX code on return of USB host controller driver? Thanks a lot! Best Regards Amanda Lin Tag: XPS Print drivers Tag: 81808
  - 25
    - How to view earlier posts? Hi everyone, Every time I connect to this site, my Outlook only load a portion (I have no idea how it selects) of the posts. How can I download the rest posts (I will not waste the space and the time of the experts if similar questions have already been asked and answered)? Thanks in advance. Tag: XPS Print drivers Tag: 81799
- Next
  - 1
    - Install KMDF on Win2k Hi everyone, I downloaded KMDF, but my Win2k professional seems not recognize the WDFv10.iso file. How can I install it? Do I need another tool for .iso file? Thanks in advance. Tag: XPS Print drivers Tag: 81791
  - 2
    - Which miniport created \Device\HardDisk%d? I'm working on a Windows diskless boot solution (using SRP over an Infiniband adapter) and I need to know on behalf of which miniport each \Device\HardDisk%d device object was created. This is so that I can distinguish the Disk device objects that were created on behalf of my SRP SCSI miniport from those corresponding to local hard drives. This lets me choose the proper partition to mount the boot volume from. I know how to get the device objects for each \Device\HardDisk%d, but I don't know how to tell which SCSI (or whatever) miniport discovered the physical drive that the object represents. Any advice would be appreciated. Rob Netzer System Fabric Works, Inc. rob@systemfabricworks.com Tag: XPS Print drivers Tag: 81790
  - 3
    - Cache Coherency In an earlier post[1], Stephan Wolf says "On x86, there is no need to take care of any caching issues at all because x86 always guarantees cache coherency." I may be taking him too literally, but I don't see how that can be true. I've got a PCI adapter using a PLX 9030 that presents a 1K memory buffer at PCI BAR4 which is marked as cacheable to the OS. This is mapped in at DriverLoad using MmMapIoSpace() with MmCached. Once the OS is done transferring data out of the buffer, the buffer is released back to the adapter to refill with incoming data. When the memory is done refilling, the adapter hands ownership of the memory back to the OS and an interrupt is asserted. The problem I'm trying to address is how to ensure the CPU reloads its internal cache with the new data since I can see no way that it can be aware of the changes. The PLX 9030 is a target only device, so it can't master a special cycle on to the system bus. And I didn't see any way the CPU could snoop the memory for changes. The natural (and documented) way to keep the cache coherent is to call KeFlushIoBuffers() in the IRQ DPC before reading the buffer. But, as Stephan mentions, and as I've confirmed, this is completely macrolized away for x86 builds. It doesn't do anything. I haven't seen any HAL'd abstractions in the MmXxx() or KeXxx() routines that invalidate specific cache lines, so I think I'm being forced to get a little closer to the metal. It looks like the right thing to do would be to issue an CLFLUSH[2] op sandwiched between two MFENCE ops. But, that's pretty brute force, and I'm not sure these are supported by AMD. At least I couldn't find a definitive reference. If they definitely are, or if there's a different way to flush a cache line on AMD, let me know. Of course, WBINVD will work, but that flushes the whole cache to system memory, and all I need to make coherent is a tiny chunk that's <1K. Mighty inefficient. Another alternative would be to issue an INVLPG, but that seems to get all over the Memory Manager's business. If this were the right way, it would probably be better to MmUnmapIoSpace() and then re-map them. <gack> Hopefully this wasn't too newb. I've looked around the net and here for answer, so fire away! -Mark [1] http://groups.google.com/group/microsoft.public.development.device.drivers/browse_frm/thread/7b6104ea25dfcebb/351bc138b87e61b1?q=cache+flush&rnum=4#351bc138b87e61b1 [2] Sure wish there was a MmFlushCache(base, size, read_not_write) call. Wait! There's KeFlushIoBuffers() now. :-/ Tag: XPS Print drivers Tag: 81778
  - 4
    - Two filters in one AVStream driver Hello, All. I'm working on AVStream minidriver. And I want to create minidriver that will provides DirectShow filter to the user mode application all time while device is connected to the system and another one filter type that will be seen by system only then my device is switched in special state (looking at hardware state). And another one requirement is that these filers have different category (I mean category like "Video Capture source"). In AVStream documentation I have found two ways to implement additional filter type from same device. The first one is to implement two filter factories in one minidriver and to create filters of each type separately from driver. Does system notifies appications about new filters arrival in this case? Does there is possibility to point system that these filters have different categories (capture and decode, for example). The second way is to create AVStream child device. But it is not clear for me what driver will serves this child device. Please help me to clear these questions. Andrey Tag: XPS Print drivers Tag: 81772
  - 5
    - Video-Capture Card Device Driver ?? 1. I want to write a device driver for a PCI video-capture card And in ddk docs related topics are : Kernel-Streming AVStream Minidrivers Streaming Minidrivers Audio Drivers Video Capture Drivers USB Camera Drivers DVD Minidrivers Broadcast Driver Architecture Drivers AV/C Client Drivers in WHDC pages it says , KS is a former model of AVStream vs. vs.. But KS is still in ddk docs For the moment , can you guide me about my video-capture-driver challenge , KS or AVS ? What about selecting framework -> streaming-mini, filter-centric or pin-centric ?? And also what about AV/C Client drivers , do i need to write it ?? (Other resources will make me very happy , if available for streaming... ) 2. DDK Docs say : "Audio/Video streaming (AVStream) client minidrivers (Microsoft® DirectX® 8.0, Microsoft® Windows® XP and later versions of the operating system) are typically written in C++. " Why typically C++ ? Is it a must or an advice for good coding or anything related with DirectX ? 3. What about needed minimum hardware knowledge for this project , what must i know about my video-capture card to write it's driver ? /* If anyone could provide any suggestions or insight, I'd be very appreciative. */ Tag: XPS Print drivers Tag: 81770
  - 6
    - Access to the I2C_CALLBACKS data in a video miniport Is there a way for a display driver to access the subject structure in a video miniport? Tag: XPS Print drivers Tag: 81768
  - 7
    - NdisMIndicateStatus max buffer Hi, Does any one know if there is any limitation on the buffer size given to NdisMIndicateStatus? Thanks Miki Tag: XPS Print drivers Tag: 81767
  - 8
    - What am I doing when I read/write to LPT1 ? I am just curious, but what am I actually doing when I CreateFile to LPT1, is there a protocol which explains this? Tag: XPS Print drivers Tag: 81765
  - 9
    - WinXP SDIO INF While making sdio inf file what has to be reffered to the Class ,class GUID directive of version section I have doubt bcos the in the devguid.h file of include folder (along with ddk) there is not any section for SD or SDIO Do I need to use Unknown section I need some idea on making an Insataller application for my SDIO. I also need an sample sdio inf file Tag: XPS Print drivers Tag: 81763
  - 10
    - Hiding device entry Hi all I want to hide my device entry under device manager in Windows XP . I came across a post which said when we set the DEVNODE status flag to DN_NO_SHOW_IN_DM we can acheive this. But the configuration manager part has API calls only to get the status of the devnode. Does anyone know how to set this flag. Is there any other means to hide device entry. My driver is not a filter driver. Mk Tag: XPS Print drivers Tag: 81762
  - 11
    - how to use DbgView hi all, i try install TestCap Example in DDK into my syatem and use DbgView to see output debug message, but i can not, anybody help me how to use DbgView to see debug message? Thanks, David, Tag: XPS Print drivers Tag: 81760
  - 12
    - Stop Service Experts! I have a device conected to my computer with a USB, i want to stop this device and then start it again. i selected disable in the device manager and the device was disable successfully. But when i tried to do it programmaticatly it failed. I tried calling "net stop service_name_blabla" from the command line. and i tried using SERVICE_CONTROL_STOP,in ControlService but they both failed, reason: "The requested control is not valid for this service. " error how can i disable the service with C++ like i'm doing well in the device manager ? thanks. Tag: XPS Print drivers Tag: 81759
  - 13
    - Get Device Descriptor from User Mode hello all, I am facing a problem, how to det the device descriptor of USB device from User Mode, I just know VID n PID of the device. It could be great if a piece of code is availble. thanks sachin Tag: XPS Print drivers Tag: 81758
  - 14
    - Setting DefaultInputSlot in a PPD? Hello all, I build print drivers with the PostScript OEM customization tools, and I'm stuck on some driver/PPD interaction. The second tab in DocumentProperties is normally Paper/Quality, with two drop downs for Paper Source and Media. These are populated from the PPD via InputSlot and MediaType sections. The problem is that the PPD parser (or some other component) does not honor the DefaultInputSlot and DefaultMediaType directives, and it does its own thing. I'm using the German version, and the phrase "Automatisch Auswahlen" ("Automatically Select") is filled in for us. This phrase does not appear in the PPD, but does appear in PS5UI.DLL's resource section. This all means that we're not able to set a reasonable default, and this is causing us some real problems for a customer implementation. If we change the default in the UI, it "sticks", but we don't have portable access to the DEVMODE to muck with it ourselves. Looking in the MSDN docs: http://msdn.microsoft.com/library/en-us/print_d/hh/Print_d/pscript_34563439-cd1f-4418-b51d-a3250e35df28.xml.asp It seems clear that InputSlot is being handled specially, and it suggests to me that DefaultInputSlot is simply ignored entirely. Looking at the IPrintOemDriverPS::DrvGetDriverSetting helper function, it seems that I'm able to *fetch* values, and IPrintCorePS2 lets me enumerate them, but I think I cannot find any mechanism to *set* these options. Is there any way I can set a default value for this field when the driver is installed without requiring the user to click a box after install? Thanks all, Steve -- Steve Friedl / UNIX Wizard / Microsoft MVP / www.unixwiz.net Tag: XPS Print drivers Tag: 81755
  - 15
    - SDIO multi-block write support (WinXP SP2)? I'm developmenting a SDIO WLAN client driver in WinXP SP2. When I use SdBusSubmitRequest() to send a CMD53 with multi-block. The "Byte/Block count" field in CMD53 will be overwrite with the length of the MDL (when < 64 bytes) or 64 bytes (when > 64 bytes). Does SDBus support SDIO multi-block mode? If yes, how to program it? Tag: XPS Print drivers Tag: 81753
  - 16
    - I2C slave device address Hi all, I am in a very strange situation for the I2C bus slave device address manipulation. Basically I have some slave devices which I communicate over the I2C bus. They work fine on different machines with Intel motherboard. The problem arises when I connect a specific slave device to the Intel 82865G machine. The address I am sending over the I2C bus for the slave device is not acknowledged by the device. The same address is acknowledged by the device on another intel machine. According to the I2C specs, the slave device is supposed to send the acknowledgement when Master finsishes sending the Bits of the address byte by pulling the SDA line low. But in this case the slave device is not pulling the SDA data line low. I have tried many cases.. like increasing the delay between the SCL , SDA check, checking the video memory, assigning the different address. But nothing is working. I am not sure whats the difference between I2C bus on one motherboard and that of another. Both are Intel 82865G. I communicate with the I2C in a driver for a graphics cards and for Intel I directly get the Video memory, convert it to the Physical memory and write to the DDC registers. I am able to send the Start condition on the I2C bus , but when I send the address of the Slave device , its not acknowledging. Other slave devices of Same type work fine. It will be very helpfull If somebody can tell me whats going on over the I2C bus for this. Thanks. -- Abhijit. Tag: XPS Print drivers Tag: 81752
  - 17
    - How long does it take to read a usb report? I am trying to check what is the maximum speed for read/writes of my pic 18f4550 usb device. It is a full speed device and an 8 byte length report, and I am using ReadFile and WriteFile. My results are that I get about 100 read write cycles in one second. Is that a normal speed for 8 byte reports? It seems quite slow ? My C loop is tight, and my device is a loopback device, i.e. it simply copies the input to the output? Tag: XPS Print drivers Tag: 81729
  - 18
    - sscanf Have been searching around without succes on this: Is there a recommended or 'standard' alternative to swscanf for use in a driver? (I'm wanting to parse a WSTR from the registry). Tag: XPS Print drivers Tag: 81727
  - 19
    - Driver design interogation... Hi, I am new on driver development so my question may be stupid for guru ^_^... My driver is base on passthru NDIS from DDK, I try to develop an IP filter and HTTP-DNS content filter. I want to use SQLite to store a big list of ip and rules. I want to put this code on a service. My design question is : - Is this solution is correct ( speed, complexity,... ). - How my driver can communicate with the db service. I see some info on WMI, but I have some interrogation on performance. Thanks for your help, A++ Tag: XPS Print drivers Tag: 81726
  - 20
    - Ndisprot problem with Intel Pro/Wireless 3945ABG Hi, I have developped an application able to control the laptop wifi adapter by setting and querying the oids OID_802_11 via the Ndisprot provided in Windows DDK 3790. This application works perfectly with the chipset Intel Pro/Wireless 2200BG and Intel Pro/Wireless 2100 and many other chipsets. The problem is that when I try to use it with the chipset Intel Pro/Wireless 3945ABG the oid OID_802_11_SSID does not work. The connection is simply not established and the IP is not retrieved. All the others oids works fine. Did you have any idea about it? Is it a known bug? Did you ever try the Ndisprot with Intel Pro/Wireless 3945ABG? I've already tried also the Ndisuio approach (using the source code of the DDK 2600.1106) obtaining exactly the same result: no connection is established when the OID_802_11_SSID is set. All the others oids works fine. Thanks Davide Tag: XPS Print drivers Tag: 81723
  - 21
    - How to save data in Display Driver? Hello, I need to save some information(for example, data in memory buffer) in Display Driver, but i don't know how to do this.(ZwXxx Routines?) Anyone can help me please? Thanks! Tag: XPS Print drivers Tag: 81722
  - 22
    - Network Refresh slow on S3 wake up using Keyboard key press Hi all, When a XP PC is put in the sleep mode (S3), there is no network refresh happening immediately when PC comes out of S3 by means of pressing a key on the keyboard. The network refresh happens randomly from 40 seconds to 1 minute or even more sometimes. I want to get the network refresh done as soon as the PC comes out of S3. Can anyone help me ? Sri Tag: XPS Print drivers Tag: 81520
  - 23
    - how to reset a USB device from user mode Sometimes I experienced the device failed enumeration. I need unplug and plug back that device again. Is there any solution that my user mode application can do that for me? Given the handle to a USB hub and port number. How could I reset the device connected to that port from user mode application? I noticed there is IOCTL_USB_HUB_CYCLE_PORT defined in wxp ddk. But I cannot find any documents for that. Any suggestions? Thanks zhwqiu Tag: XPS Print drivers Tag: 81509
  - 24
    - 1394 peripheral device identifcation (1) My driver is similar to 1394diag.sys which installs above Microsoft 1394 stack in Windows 2000/XP. This is unsigned driver. DeviceID for 1394 peripheral device is 1394\VendorName&ModelName. All my peripheral devices use same VendorName and ModelName. Still when a new peripheral device is connected, Windows 2000 and XP comes up with "New Hardware found" wizard. How can I avoid this? I donâ??t mind if I get warning "unsigned driver", but I canâ??t install driver again and again. Is driver signing required here to stop Windows prompting for driver for different EUID? DeviceId is same for all my 1394 devices and EUID is unique. What is the meaning of DeviceId if EUID is considered for DeviceId. (2) Is there any auto install method for driver to 1394 peripheral devices? I am looking for a way to have unique driver installed once for VendorName and ModelName. I know there are some topics in newsgroup. But what I dont understand is document clearly states driver for device is identified by VendorName and modelName. Documentation doesnot say driver has to be installed for every device if driver is unsigned. It only says driver installation will give "Unsigned driver" warning. So I am not sure if this is happening because driver is not signed or is it because of some other error/option in my own installation. (3) I didnâ??t see any driver signing document for peripheral drivers to 1394, found only 1394 bus drivers documentation. Thanks, Raj Tag: XPS Print drivers Tag: 81451
  - 25
    - Modem Handles not destroyed Has anyone had issues with the USB modem handles not being closed when a device is removed? Tag: XPS Print drivers Tag: 81447

Can I use the XPS print drivers to convert Word documents to XPS
documents ? I want to automate this meaning I want to hide the "save
as" dialog that comes up.

Any help is appreciated.

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