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- Previous
  - 1
    - Bitmap Printer driver BMP -- Tiff Im using the sample Bitmap printer driver that comes with the DDK. Thi 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 Imag001.bmp file and finally in the EndDoc function write the finalpag Imgnnn.bmp Then I take each of these bmp files and use GDI+ to create a TifG3 fil 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 - njdude3 ----------------------------------------------------------------------- Posted via http://www.codecomments.co ----------------------------------------------------------------------- Tag: test Tag: 81984
  - 2
    - XPS Print drivers 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 - njdude3 ----------------------------------------------------------------------- Posted via http://www.codecomments.co ----------------------------------------------------------------------- Tag: test Tag: 81983
  - 3
    - using % operator on a ULONGLONG with the w2k free build this generates unresolved external symbol __aulldvrm. This function does unsigned long long divide remain. If I look around inside int64.lib I can see there is __aulldiv and __aullrem ... but no __aulldvrm. The funny thing is that all is ok if I build with the w2k checked build. So I'm guessing the compiler is doing something different in free mode in order to generate a call to a function that does not exist. I can get round my problem easily by using RtlEnlargedUnsignedDivide() ... but the ddk help tells me this function is obsolete and tells me I should "use the compiler support for 64-bit integer operations" ... but what exactly does that mean? I'm using LONGLONGs (__int64) everywhere so I assume the compiler already has support for 64-bit integer operations. Tag: test Tag: 81982
  - 4
    - How to dynamically change modes of Mirror Driver I want to change the modes of mirror driver dynamically, when the resolution of primary display is changed. If I change the resolution of Primary display and then I call changedisplaysettings() for mirror driver with new mode, it disable the PDEV by calling the drvdisablePDEV() I think I have to do something more, can any body tell me what I am missing in this? Tag: test Tag: 81981
  - 5
    - hooking DriverProc I hope someone here can direct me with my special problem. I use extensively Win32 multimedia functions hook by means of a special library and it usually works fine. For every function that I want to hook , I declare the dll in which it resides, I define the hooked function in which I do my specific tasks, and then I usually call the original one. Now I need to hook "DriverProc" function which is an installable driver function in my acm driver msadp32.acm. Can this function be hooked as all win32 functions? Where can I find the header for this function - DriverProc? Though MSDN states that it's declared in mmsystem.h its not there. Any reference is appreciated. Regards Gil Tag: test Tag: 81980
  - 6
    - passthru install??? Have anyone successfully install passthru driver by using command line in Devcon? I'm using this command devcon -r install c:\Passthru\Inf\netsf.inf ms_passthrump it always return: devcon failed. Does Devcon support passthru installation? thanks, ttan Tag: test Tag: 81963
  - 7
    - TCP using TDI and IoCancelIrp Hi All, I have a driver that is using TCP via TDI. On occasion I have need to call IoCancelIrp on a TDI Send IRP. Unfortunately, the TCP code closes down the connection when IoCancelIrp is called. I got a hold of Microsoft and an engineer there said that that was the appropriate behavior he found in the TCP code. I wish they had left it to the driver author to decide. The engineer said there were no flag overrides. I do have a work around for this. However, let's say I want to send 100 bytes. The last ACK from the device I'm communicating with sent a window size of 22 bytes. TCP will send the 22 bytes and the ACK back from the device now states a window size of 0. TCP will not send anymore data until the device communicates back with a window size greater than zero. In the mean time, I timeout the write and cancel the IRP via IoCancelIrp. The write completion routine fires with a code of STATUS_CANCELLED. All as expected. Here is the problem. the Irp->IoStatus.Information in the write complete contains a 0. I expected 22. Does anyone know of a way to query TDI/TCP about the number of partial bytes sent? I need to do some reconnecting and resending. But if I don't know how much data from the cancelled IRP was sent, I'm sunk. I tried using the TdiBuildQueryInformation with TDI_QUERY_PROVIDER_STATISTICS on the connection object to get some information, but most of the fields are zero. Also, applications that call my driver set up the write timeout, so I need to honor the timeouts. Also, the application may resend the data or close the port. If I knew how much data was sent then I could handle the situation. Thanks in advance, -David G Tag: test Tag: 81953
  - 8
    - resources in pe header this isn't really a ddk thing but you guys are smart so I'm wondering if you can help me. I want to read data from the resources section of an exe pe header, i.e. Product Name, Internal Name, etc. Does anyone know if there is an api for this? I really dont want to have to map the exe into memory and then start searching through the header! I've looked through all of the shell api and can't find anything to do this. Thanks. Tag: test Tag: 81952
  - 9
    - Installing passthru I have an IM driver based on the ddk passthru example and I use snetcfg to install it. 99% of the time the driver install fine, but every 6 months or so it just stops installing! When I check setupapi.log I see a bunch of errors saying that it cant find a compatible driver for the device ... or something along those lines. My fix is this ... I delete windows\inf\INFCACHE.1 and then the driver installs fine again. I think windows is being clever, and although I supply inf files with the driver install, it decides that it wont use them ... but instead looks for a better match and somehow ends up looking through the INFCACHE. So my questions are ... Why doesn't windows just use the inf files I've provided ... since they are the right ones ... they are the best match? Why is it that every 6 months or so INFCACHE decides it doesn't like my driver anymore? You would think that if the INFCACHE didn't turn up any matching infs for my driver, windows would use the ones I supplied ... instead of just failing to install! I need my install to be 100% successful ... and dont want to have to get my installer to delete INFCACHE every time before installing my driver ... besides, when you delete INFCACHE it takes windows about 10 minutes to rebuild it! Please, please help! Tag: test Tag: 81951
  - 10
    - unresolved external symbol ... __alldvrm I'm compiling my driver using the w2k free build in the w2k3 server ddk and get unresolved external symbol ... __alldvrm. My driver uses LONGLONG and LARGE_INTEGER which I think is causing the problem. I tried linking with int64.lib but this makes no difference. I searched the ddk libs directory for any lib containing "alldvrm" and none of them have it! What am I doing wrong? Do I have to do some fancy 64-bit stuff to use LONGLONG or LARGE_INTEGER? Tag: test Tag: 81950
  - 11
    - Where to get SDV I've been trying to find where I can't get the SDV from, which is described in the following link as being part of WDF: http://www.microsoft.com/whdc/driver/wdf/Drv-VerTools.mspx I just finished downloading WDF, and installled it, but I still can't find the SDV tool. I did find a cab file (tool_sdv.cab), in the 5484.4_WDK_B2.iso which came with WDF iso, but there's no assoicated install program with it, and when I extracted the files listed in this cab file I found no executables, or instructions for this tool. Does anyone know where I can get this tool form? Tag: test Tag: 81946
  - 12
    - How to get offset of volume? Is it possile to get for a file seek position there corresponding offset into the drive volume? Tag: test Tag: 81945
  - 13
    - virtual printer and file transfert Hello, I would like to develop a component which appears in windows like a printer and allow user to send the file by FTP to another location. Do you think this can be realize??? Have you some hints to help me to start my development?? Thanks in advance. OGIER Christophe P.S: I apologize for my very bad english Tag: test Tag: 81944
  - 14
    - IOCTL_SCSI_PASS_THROUGH_DIRECT with SATA Hello All, I have a user application that uses IOCTL_SCSI_PASS_THROUGH_DIRECT to communicate with my removable SATA drives and it has been working fine with ICH6 , ICH7 and Silicon Image adapters. Lately we got a new machine that has ESB2 adapter. Now If I send a scsi command and if the there is check condition, my sense buffer data in the SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER structure is all 0 and the returned length of the sense data is 12 rather than 18. Can anybody help with this problem? Thanks pada Tag: test Tag: 81938
  - 15
    - Windows XP drivers in ROM Hi, Sorry if this is a trivial question, but I come from the Mac environment and am new to windows drivers. There is a mechanism in the Mac to carry an OS device driver in the firmware of a PCI card, in addition to the "BIOS" drivers. It's nice because the customer can just plug his card in, and the OS Driver automatically loads. I'm sort of familiar with the automatic device detection in XP; that's what we are currently doing. But the user still has to have a disk or copy the driver and .inf file to the system, right? Is it possible to embed the XP driver in the firmware of the PCI card, so that it is automatically located when the automatic device detection takes place? Any other ways to get the driver in without having to load a disk? We currently have the user go into the device manager, find the new PCI device, update the driver, etc, etc. - not surprisingly we are getting complaints it is too clumsy! What does it take to trigger XP to automatically search for drivers? Is is something in the PnP portion of the PCI firmware? Thanks very much for any help! Tag: test Tag: 81936
  - 16
    - How to safe remove usb storage correctly? I would write a windows program to safe remove usb storage device. Currently, I use CM_Request_Device_Eject function to do this. It works well for single usb storage device. However, it didn't work smoothly if two usb storage device attached to PC. My program uset SetupDiEnumDeviceInfo to enumerate the usb device node and call CM_Request_Device_Eject to safe remove the usb device. For the first enumerated device node, it's safe removed smoothly. For the second enumerated device node, it took much longer time though the device is safe removed successfully. Does anyone know what's the correct procedure to safe remove usb storage device? Best Regards Jackal Huang Tag: test Tag: 81933
  - 17
    - Sending data from kernel to user mode question Hi all, I am trying to settle an argument here. What is the most effective, WHQL certified way of exchanging a large buffer of data between kernel mode and user and vice versa? The method has to work both ways. cheers, Luis Tag: test Tag: 81930
  - 18
    - CCX SSIDL IE I saw a previous posting on this, but wanted some clarification. Does WZC consume the SSIDL IE if the driver passes it up through OID_802_11_BSSID_LIST, or does the driver need to break apart the SSID list in the IE into separate NDIS_WLAN_BSSID_EX entries? Thanks! Tag: test Tag: 81929
  - 19
    - FwpmFilterAdd0 error Any ideas what causes an status of NT_STATUS_LOGON_FAILURE when I attempt to call FwpmFilterAdd0(engineHandle, &myFilter, NULL, NULL)? I am able to call FwpmCalloutAdd0(engineHandle, &callout, NULL, NULL) successfully in the same block of code. Tag: test Tag: 81927
  - 20
    - How to get extended Information from DeviceNotifications...? Hi, how do i get extended Device Information from DeviceEvents redirected from RegsisterDeviceNotification? I managed it to receive any device notification avalibale on my system (XP SP4) but i want to get more information like: Is it USB Drive, VendorID, Device(Friendly) Name like i.e. Microsoft USB Mouse or something like that. How can i do this... TIA Best regards Kerem Gümrükcü Tag: test Tag: 81914
  - 21
    - devcon install/remove passthru failed??? Hi all, I used devcon to install passthru example and I always get "devcon failed" or "remove failed" the same for mux. Does anyone know if I miss anything? my command line for passthru example: devcon install netsf.inf ms_passthrump devcon remove ms_passthrump my command line for Mux example: devcon install muxp.inf ms_muxp devcon remove ms_muxp If i used bindview to install these example and it work fine. I want to know how devcon work. thanks ttan Tag: test Tag: 81912
  - 22
    - XPS Print drivers 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. Tag: test Tag: 81908
  - 23
    - 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: test Tag: 81907
  - 24
    - 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: test Tag: 81906
  - 25
    - 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: test Tag: 81898
- Next
  - 1
    - 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: test Tag: 81896
  - 2
    - 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: test Tag: 81892
  - 3
    - Helpme Driver Canon LP460 for WinXP AnyOne can helpme to find this driver? Thanks Tag: test Tag: 81891
  - 4
    - 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: test Tag: 81890
  - 5
    - 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: test Tag: 81889
  - 6
    - 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: test Tag: 81885
  - 7
    - 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: test Tag: 81884
  - 8
    - 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: test Tag: 81877
  - 9
    - 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: test Tag: 81875
  - 10
    - 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: test Tag: 81859
  - 11
    - 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: test Tag: 81851
  - 12
    - 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: test Tag: 81848
  - 13
    - 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: test Tag: 81847
  - 14
    - 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: test Tag: 81846
  - 15
    - 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: test Tag: 81839
  - 16
    - 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: test Tag: 81831
  - 17
    - 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: test Tag: 81829
  - 18
    - 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: test Tag: 81828
  - 19
    - 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: test Tag: 81825
  - 20
    - 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: test Tag: 81823
  - 21
    - 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: test Tag: 81808
  - 22
    - 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: test Tag: 81799
  - 23
    - 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: test Tag: 81791
  - 24
    - 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: test Tag: 81790
  - 25
    - 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: test Tag: 81778

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