How to create a softice like startup menu from Boot Driver?

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  - 1
    - Status monitor query Hi, I am writing a printer driver and status monitor on Windows-XP. I tried to get the printer status through IBidiSpl and IBidiRequest Bidi interfaces. The BindDevice function is failing and the error message says "Printer name is invalid", but when I call OpenPrinter API with the same printer name, it returns the printer handle successfully. If anybody have any idea why BindDevice API call fails, please let me know. Thanks, Nitin Tag: How to create a softice like startup menu from Boot Driver? Tag: 58958
  - 2
    - Making a device read only We have discovered that under Win2K (and WinXP+SP1) NTFS becomes unstable if the media the volume is on is silently discarding write requests. After a short while both Win2K and WinXP will blue screen. Unfortunately we need to find a solution to this. Redesigning the hardware side would be expensive and time consuming so we are also looking into a software solution. Presumably this would require us to write a device driver that could fit into the storage driver stack at some point. The simplest way would probably be for us to monitor SCSI commands and modify the result of a Mode Sense so that it indicated that the media was write protected. None of our development team have looked at working with the DDK (we are all application developers) and from my investigations it looks like such a project would be a very big undertaking - probably as big as the hardware solution. Not a lot of code, perhaps, but a steep learning curve. So I guess my question is:Does this sound like a major software project or is there some other solution we can go for? At present just being able to turn off plug-and-play volume mounting would suffice. We only need SCSI pass through access to the write protected volume. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58953
  - 3
    - IRQ, device driver development. I'm starting developing a device driver, and have some questions: 1. How can I get address from which IRQ was invoked?? 2. If I know such address, how can I get binary file (process id or something which helps me to identify binary file)which was mapped for this particular address?? Best Darek Tag: How to create a softice like startup menu from Boot Driver? Tag: 58951
  - 4
    - Disabling windows file protection Hi, I was trying to replace a system file( classpnp.sys) in windows/system32/drivers directory. But I am not able to , It gets replaced with the system file every time I replace it. I tried disabling windows file protection by setting SFCDisable in the registry to ffffff9d ( Referred the link http://www.winguides.com/registry/display.php/790/ ). But even then I am not able to replace the file. The system has the Win2K3 OS. What can be the problem? Thanks in Advance. Sareena. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58950
  - 5
    - How to handle DIF_NEWDEVCEWIZARD_PRESELECT? Hi to all, I took sample of toaster from DDK as a prototype Class Installer. My installer supports only DIF_ADDPROPERTYPAGE_ADVANCED request. It returns ERROR_DI_DO_DEFAULT for all rest DIF codes. Unfortunetly, it's not enough for correct work Hardware Wizard and Device Manager. If I delete Installer32 registry entry Hardware Wizard uses manually installation scenario. If I add Installer32 registry entry my installer receives DIF_NEWDEVCEWIZARD_PRESELECT request. It's happened "After the user has selected the class for the device but before Setup displays the "Select a Device Driver" page." After installer returns ERROR_DI_DO_DEFAULT, hdwdiz.cpl crashes. What is the reason of this behavior Hardware Wizard? Thank in advance Andrei Souvalski Tag: How to create a softice like startup menu from Boot Driver? Tag: 58946
  - 6
    - How does a laptop's Fn key work? I'm trying to write a program that captures when a user presses a laptop's Fn key and another key simultaneously, ie Fn+F6. However, I've been unable to figure out how to do this. I've tried using a keyboard hook then checking for keyboard events and GetKeyState() to figure out if the key combination has been pressed. To no avail. When the Fn key and another key are pressed together, no keyboard event is triggered. Could someone be so kind to explain how the Fn key works and how it works when it is pressed simultaneously with another key? Can anyone help me figure out how to do this? Thanks in advance. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58937
  - 7
    - Passthru Installation Popups On installing Passthru i get the driver sign popups. On some machine i see "X" popups the 1st time and on the same machine i see "Y" popups the next time. The number of popups vary from machine to machine also. On what does the number of popups depend ? ...Mani PS: I know that to avoid popups one must get the driver signed :) Tag: How to create a softice like startup menu from Boot Driver? Tag: 58933
  - 8
    - IoAttachDeviceToDeviceStack related Can anyone clarify the foll paragraph from DDK under IoAttachDeviceToDeviceStack: A driver writer must take care to call this routine before any drivers that must layer on top of their driver. IoAttachDeviceToDeviceStack attaches SourceDevice to the highest device object currently layered in the chain and has no way to determine whether drivers are being layered in the correct order. ...Mani Tag: How to create a softice like startup menu from Boot Driver? Tag: 58932
  - 9
    - NDIS IM driver DriverEntry called repeatedly with Window 2003 We have developed an NDIS intermedoate driver and also notify object to support our driver. In build prior to 1289 ============== When the first virtual adapter is created the Driver Entry is called. Thereafter the Driver Entry is not called even if more vritual adapter are created. Build 1289 and 1421 ============= The driver entry is being called when each virtual component is being created. With reference to notify object after 'ApplyRegistryChanges' and before 'ApplyPnpChanges' the IM driver gets triggered. For some reason with build 1289 and 1421 the halt routine is being called which triggers the driver being unloaded even though there are some VLAN already on the adapter. Thereafter DriverEntry is being called once again. This behaviour is not seen in earlier builds of Windows 2003 MUX behaviour ========== I observed the same behaviour even with the mux sample in DDK. Please advice as what is the change due to which the halt is being called in 1289 and above causing the driver Entry being called with each VLAN creation. - Sriram. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58924
  - 10
    - TDI driver event queueing Hello, I can save IRP requests, and complete/cancel them later successfully. But I want to queue events, set by TDI_SET_EVENT_HANDLER as well. Could anybody clarify how this can be done? Thanks! Best regards, Serge. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58919
  - 11
    - printer driver and nonsquare pixels Hello, I have a monolithic usermode printer driver under development and I have two questions: 1.) Is there any way to inform GDI that the device has nonsquare pixels? 2.) Will this make any difference for calls to EngTextOut()? Thanks. -- Matt Kane mkane@zebra.orange.com minus fruit Tag: How to create a softice like startup menu from Boot Driver? Tag: 58913
  - 12
    - Unidrv and CommandCallback inconsistencies Often times, when implementing a callback or other custom functionality in UniDrv, UniDrv's overall behavior changes rather than simply calling my callback or running my function. The help implies that the CallBack is instead of sending the "*Cmd" command. Is there any way to stop this?? It's hard to code this way :| Example 1: CommandCallback for CmdYMoveAbsolute Result: UniDrv calls my callback to send Y coordinates for EVERY scanline (even "*b0W") as if "*CursorYAfterSendBlockData" was set to NO_MOVE and not AUTO_INCREMENT. Replace the CallbackID with a "*Cmd: " string and it works as documented. Example 2: Implement IPrintOemUni::FilterGraphics Result: UniDrv no longer compresses the scan line data blocks as if there weren't any compression entries defined (including OEMCompression). Wouldn't I simply not include the compression entries if I didn't want the data compressed or wanted to do it myself? Can someone PLEASE help this make sense? CodeSkunk Sr. Propeller Head Tag: How to create a softice like startup menu from Boot Driver? Tag: 58912
  - 13
    - Unidrv and CommandCallback inconsistencies Often times, when implementing a callback or other custom functionality in UniDrv, UniDrv's overall behavior changes rather than simply calling my callback or running my function. The help implies that the CallBack is instead of sending the "*Cmd" command. Is there any way to stop this?? It's hard to code this way :| Example 1: CommandCallback for CmdYMoveAbsolute Result: UniDrv calls my callback to send Y coordinates for EVERY scanline (even "*b0W") as if "*CursorYAfterSendBlockData" was set to NO_MOVE and not AUTO_INCREMENT. Replace the CallbackID with a "*Cmd: " string and it works as documented. Example 2: Implement IPrintOemUni::FilterGraphics Result: UniDrv no longer compresses the scan line data blocks as if there weren't any compression entries defined (including OEMCompression). Wouldn't I simply not include the compression entries if I didn't want the data compressed or wanted to do it myself? Can someone PLEASE help this make sense? CodeSkunk Sr. Propeller Head Tag: How to create a softice like startup menu from Boot Driver? Tag: 58910
  - 14
    - Unattended null driver installation I have an interesting device driver installation problem that I can't seem to make any headway on. Basically I am trying to make it so a normal user (non-administrator) can install a null driver. My company makes custom PCI hardware. We are moving to XP and have a legacy non-plug and play driver that runs our cards. This driver works fine. However, XP still thinks that each of our cards needs a driver installed and pops up the "Found New Hardware" wizard when the system comes up. I have come across the solution of a null driver. Apparently this is a .inf file that is just a placeholder for the legacy devices. Putting this inf file into the system32\inf directory allows the system to install the null devices correclty. I have created an .inf file like the following: --------------------------------------- [Version] Signature="$Windows NT$" Class=Unknown ClassGUID={4d36e97e-e325-11ce-bfc1-08002be10318} Provider=%Company% DriverVer=02/08/2005,3.72 ; Install the device class [ClassInstall32] AddReg=ClassAddReg [ClassAddReg] HKR,,,,%ClassName% HKR,,Icon,,"-11" HKR,,SilentInstall,,1 HKR,,NoInstallClass,,1 ; List of devices [Manufacturer] %Company%=Company [Company] %Device1%=NullInstallSection, PCI\ . . . %Device2%=NullInstallSection, PCI\ . . . [NullInstallSection] ; Nothing needed here [NullInstallSection.Services] AddService = ,2 ;no service name [Strings] ClassName="Devices" Device1="Device1" Device2="Device2" ------------------------------------------- Here's where I run into my problem. Since the driver isn't WHQL certified, XP won't install the null devices without displaying the "Found New Hardware" wizard. This is fine as an administrator, but we have machines in the field running as a normal user. As a normal user XP pops up an error that says, "You must be a member of the Administrators group on this computer to install this hardware." In my research I've found that a normal user can install drivers if they are signed correctly. However, I'm don't think that WHQL will sign a null driver. So, I seem to be stuck. Is there any way to get around this problem? Is there a way to allow normal users the rights to install unsigned drivers? Can I somehow get a null driver signed? I would be very appreciative of any feedback. Andrew Webber Tag: How to create a softice like startup menu from Boot Driver? Tag: 58909
  - 15
    - Printer driver device fonts bold/italic/underline Hi, I have been updating a previously written monolithic (non-minidriver) printer driver. The printer has its own fonts that it can render as bold, italic, and underline. Do I have to implement an IFIMETRIC structure (via DrvQueryFont) for every possible combination of device font style? For example, lets say the printer has a 16 CPI font and that font (via printer commands) can be represented in bold, underlined, italics and a combination of all 3. So, there can be: 16 CPI Normal, 16 CPI Bold, 16 CPI Italic, 16 CPI Bold AND Italic, etc. Do have to set up this many IFIMETRIC structures that only have the fsSelection member as a difference? Once you add up other printer fonts (14 CPI, 12 CPI, etc) there ends up being an astronomical amount of fonts. There has to be a way to just have one a IFIMETRIC structure for the 16 CPI font and have DrvTextOut receive some indication that the font needs to be bold, italic or underlined somewhere. Or am I dreaming? Thanks! Tag: How to create a softice like startup menu from Boot Driver? Tag: 58905
  - 16
    - I need suggestion on how to implement a barcode reader for win2k I have an old barcode reader that can connect to a serial port on my windows 2k computer. I would like to scan any barcode and it would appear on the console where ever the application is; sort of like a keyboard. How do I go about doing this. I got the MSDN DDK subscription but as read thru this forum I still am undecided of what to do for what I want. Can someone suggest something please? Thank you. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58904
  - 17
    - Is the Driver Verifier available for Embedded XP? I would like to use the Driver Verifier to test a device driver we have developed for Embedded XP. Is this possible, or will I have to move the driver to XP Professional to run the Driver Verifier? Tag: How to create a softice like startup menu from Boot Driver? Tag: 58898
  - 18
    - Unhandled Exception in ExpWorkerThread I have a very intermittent (4 times in one month) BSOD that tracks back to ExpWorkerThread calling ObpProcessRemoveObjectQueue and hitting an exception at address 00000098 [Eax+98]. How can I find out what ExpWorkerThread thought it should be doing ? Tag: How to create a softice like startup menu from Boot Driver? Tag: 58889
  - 19
    - Help, i wanna look at routing protocol development I have doubt on what to use to develop a routing protocol for wireless LAN. I wanna loop for routing protocol development, write an algorithm for wireless LAN card let say AODV(an ad hoc routing protocol RFC 3561 so that it behaves like what i specified. i wanna write the driver(is tat consider as driver?) for win XP, what should i look at? Do i need to look at DDR? have any reference, tutorial or guildeline available? Tag: How to create a softice like startup menu from Boot Driver? Tag: 58887
  - 20
    - ACPI Firmware access Hi All, My question is, How we can access the ACPI Firmware in windows XP? Is there any ACPI Interface supported by Windows to access all the features of the ACPI firmware ( like ACPI table and object) Thanks and Reagrds, Sachin Tag: How to create a softice like startup menu from Boot Driver? Tag: 58886
  - 21
    - Executable Memory in a Driver Is there any way to allocate executable memory in the kernel? The docs do not indicate whether the ExAllocateXxx() APIs will do this. From my understanding, they aren't supposed to, and it will BSOD on XP SP2. I am assuming the answer to my question is, "No, why would anyone want to allocate executable memory in the kernel?" but I am hoping otherwise. TIA -Matt Tag: How to create a softice like startup menu from Boot Driver? Tag: 58881
  - 22
    - How Disk.sys gets loaded after USBSTOR.sys for USB Mass Storage De Hi, I have a Sony USB Memory Stick Walkman. I have developed my own USBSTOR.sys using DDK USB Bulk driver. I can read Config/interface info. How does Disk.sys gets loaded after USBSTOR.sys? I mean How this GenDisk id is generated? Does USBSTOR.sys need to create PDO for Disk.sys? Does USBSTOR uses IRP_MN_QUERY_RELATIONS (BusRelations) to create PDO? Tag: How to create a softice like startup menu from Boot Driver? Tag: 58880
  - 23
    - NDIS and WMI methods So, is there any way to expose custom WMI methods from NDIS miniport ? I'm looking to pass *both* input and output data in one call. --PA Tag: How to create a softice like startup menu from Boot Driver? Tag: 58874
  - 24
    - Accessing Printer Device dependent information Hello, I apologize if this is not the place for this questions, and I also apologize for the fact that it may sound uninformed, because, well, it is. I am writing an application to set default printer settings prior to printing pdf documents through Adobe. I am using the WinAPI functions from WinSpool.drv to get and set the properties. The DEVMODE structure works great for the device independent information, but I need the device dependent information as well. Stapling can be used as an example. The DocumentProperties API call returns the DEVMODE structure along with the device dependent (apparently called private date according to a webcast I just read) from the device. Microsoft says that you are not supposed to touch the driverExtra information with DEVMODE, but should use the UNIDRV instead. Are there any examples of this? Does anyone have any examples of how to change any default printer settings (like stapling) programmatically? I appreciate an insight into this. Thanks! Chris Tag: How to create a softice like startup menu from Boot Driver? Tag: 58871
  - 25
    - reading from payload from ndis network packets. Hi all, I am trying to read payload content from NDIS packets. I have problems with the offset option, my code is this struct xx{ Dword m_data[3072]; } xx; xx payload; Fltreadonpacket{ packet, payload.m_data, sizeof( tcp_hdr), sizeof(struct ether_hdr)+sizeof(struct ip_hdr)+size(1024), // i tried size(th_off) instead of size(1024) but it will not accept it. &numberofbytesread}; for (int i=0; i<16;i++) { DbgPrint( payload.m_Data[i]); // printing rubbish at this point } any help will do. thanks. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58854
- Next
  - 1
    - DDK and spaces in path? Hi, After converting our driver product build environment from VS.NET 2003 (which compiler is not supported for drivers) into a DDK BUILD project (using a makefile project and ddkbuild.bat), I notice that all our build servers and most of our development stations no longer can build this driver, due to spaces in the build path. This post is suggesting a workaround to build paths with spaces http://msdn.microsoft.com/newsgroups/managed/default.aspx?dg=microsoft.public.development.device.drivers&mid=7a7b1ddb-8d6a-4502-86cc-609ad8870cb3&sloc=en-us Our driver is not using any Java. Which is safer? 1. Remove the $(MAKEDIR) as suggested in the above posting, or 2. Comment out this entire call to jvc (2 lines) as suggested in the above posting Also, can this harm our C/C++ driver? Is our DDK build environment still "supported" with this change? Thanks, / Hannes. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58848
  - 2
    - my debugger is soooooo slow Can anybody help me out with this really anoying issue? I am using WinDbg 6.2.00.13.0 and at one point the debugging was really fun since everything was going in almost realtime. So now suddenly the debugger "thinks" about every step for minutes it seems and it really stinks to work with it. I have the symbol path set first to the Web address for symbols and then to a local directory. What is the resolution for this issue? Anybody any ideas? \Manfred Tag: How to create a softice like startup menu from Boot Driver? Tag: 58847
  - 3
    - File System Access to Proprietary Device We have proprietary device that can be accessed via various networks using a proprietary communication protocol. Some of these devices expose some high level file I/O functions, e.g., Find First File, Find Next File, File Read, File Write, Create, Delete, etc. What we would like is to expose the contents of these devices on a Windows client in a manner similar to a mapped drive or a USB memory/jump drive. Any direction or advice on how best to do this would be greatly appreciated. Thanks. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58845
  - 4
    - Packet Queuing in MPSendPacket() function Hi, I'm writing a Ndis Intermediate Driver derived from the Extended Passthru Sample. I want to copy some outgoing packets to an application by completing a pending IOCTL-Request. But what to do if there isn't any pending IOCTL-request? I know, that I should queue the packet for dealing with it later, but I don't know what is the usual way dealing with this situation. I read something about setting packet status to NDIS_STATUS_RESOURCES, but this seams to be too easy (and the wrong way I think :-)) Thank you for your advice, Christian Beckel P.S.: Another question: When the packets return from user mode, I think I should implement a new function which builds a new NDIS-Packet and sends it down to the NIC. But where do I get important information like the OOB data? In MPSendPacket, I can read this information from the old packet. Tag: How to create a softice like startup menu from Boot Driver? Tag: 58843
  - 5
    - x64 and DDK and WIA Hi, I have installed the 2003 DDK. And want to start work porting a WIA Driver. Firstly I tried building the example code Wiascnr under the IA64 free enviroment. This created Complilation errors d:\winddk\3790\inc\crt\string.h(59) : error C2371: 'size_t' : redefinition; diff erent basic types my own code produces simialar errors... Is the example code supposed to compile under IA64? If not does anyone know what must be changed to make the example code to compile.... Thanks Andy M Tag: How to create a softice like startup menu from Boot Driver? Tag: 58838
  - 6
    - unhiding hidden partition on the fly Several PCs I work with every day have hidden FAT partitions that are used for booting into DOS at times. Since Windows does not see the hidden partition there is no direct way of accessing the data. Currently I am using a user mode tool that directly accesses the hard drive and does all the FAT interpretation by itself so I can read and write files to the partition. I was wondering if it was possible to write a filter driver that would reinterpret the hidden partition into a 'normal' partition and also make it removable, so I could mount the partition on the fly and rely on Windows file system code instead of doing it myself. Would such a driver be a upper storage filter driver of a file system driver? Also would I be able to mount/unmount the partition without rebooting the system? Tag: How to create a softice like startup menu from Boot Driver? Tag: 58836
  - 7
    - IoQueueWorkItem() in WinXP SP2 Hello! I wrote some disk filter driver for Windows XP. I use IoQueueWorkItem() and got problem. Sometimes i see in dbg output, that work item is queued, but workitem routine is not called. Commonly i see in debug output (view with DbgView): >Work item queued >Worker begin >Worker end >Work item queued >Worker begin >Worker end and so on. But sometimes (very rare) i see only first string : >Work item queued And sistem goes frozen :( Does you have any idea that is happens? Help! VOID TimerBlockOffRoutine( PKDPC Dpc, PVOID Context, PVOID Junk1, PVOID Junk2 ) { PDEVICE_OBJECT pDev = (PDEVICE_OBJECT) Context; PDEVICE_EXTENSION pdx = (PDEVICE_EXTENSION) pDev->DeviceExtension; PIO_WORKITEM workItem; ... workItem = IoAllocateWorkItem(pDev); if (NULL != workItem) { IoAcquireRemoveLock(&pdx->RemoveLock, pdx); IoQueueWorkItem(workItem, TimerBlockOffRoutineWorker, DelayedWorkQueue, workItem); DbgPrint("Work item queued\n"); } ... } VOID TimerBlockOffRoutineWorker( IN PDEVICE_OBJECT DeviceObject, IN PVOID Context ) { PDEVICE_EXTENSION pdx = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension; PIO_WORKITEM pIoWorkItem = (PIO_WORKITEM) Context; DbgPrint("Worker begin\n"); IoFreeWorkItem(pIoWorkItem); KeEnterCriticalRegion(); ExAcquireResourceExclusiveLite(&pdx->DeviceExtensionResource, TRUE); ... ExReleaseResourceLite(&pdx->DeviceExtensionResource); KeLeaveCriticalRegion(); IoReleaseRemoveLock(&pdx->RemoveLock, pdx); DbgPrint("Worker end\n"); } Tag: How to create a softice like startup menu from Boot Driver? Tag: 58835
  - 8
    - How to read HID Descriptor using URBs (in a driver) Hi All, I'm writing a HID Miniport to transform a USB device that has 2 HID interfaces into a single HID device. To do this I'm sending raw URBs down to the device in response to IOCTL_HID calls from above. I'm basing my driver on Walt's HIDFAKE sample together with code from his USBINT sample (startup code). So far so good - I can read the config descriptor, interface descriptors and endpoint descriptors! But I can't work out how to read the HID class descriptors for each interface. AFAIK it's embedded in the config descriptor but can't seem to tickle Parse[Configuration]DescriptorsEx() in order to access them. Walt touches on this but says it's "out of scope" for the book. While I'm here, next step I'll need is to read the report descriptors. Is this done via the same interface, or will I be sending more control channel requests to the device? TIA Regards, Mark Tag: How to create a softice like startup menu from Boot Driver? Tag: 58831
  - 9
    - Unique Identification in 'Remove Device' list Hello, I have a USB DD that carries data from a simple data collection device to the Windows software. Each device can collect data for a few points and subsequently some users will want to plug multiple devices in. All of this works fine...well, there are problems but it wouldn't be software if it worked perfectly. My question is: I would like to be able to alter the string that shows up in the 'remove device' list (in the system tray) so that it says (for example) Stop DataRecorder (345) Stop DataRecorder (346) Currently it shows simply: Stop DataRecorder Stop DataRecorder All of physical devices have unique serial numbers. That number is displayed prominently on the device. That is what I am showing in the braces. Thank you in advance Kevin Tag: How to create a softice like startup menu from Boot Driver? Tag: 58826
  - 10
    - HOWTO: switch HDD between PIO modes and DMA Hello, All! Sorry for my bad english. :-) I need to write a driver or an application to switch HDD between PIO modes and DMA. Where i can find enough information about it? With best regards, Andrew Vernigora. E-mail: lucifer@listel.lg.ua Tag: How to create a softice like startup menu from Boot Driver? Tag: 58822
  - 11
    - Support for Win32_BaseBoard and Win32_ComputerSystemProduct? Do computer manufacturers currently support the following items? Win32_BaseBoard.CIM_PhysicalElement.Manufacturer Win32_BaseBoard.Win32_BaseBoard.Product Win32_BaseBoard.CIM_PhysicalElement.SerialNumber Win32_ComputerSystemProduct.CIM_Product.Vendor Win32_ComputerSystemProduct.CIM_Product.Name Thanks in advance, JK Tag: How to create a softice like startup menu from Boot Driver? Tag: 58803
  - 12
    - harm of using same GUID for setup and device interface class? Hi, I have a proprietary USB device and it is installed using a new setup class ( and GUID ) in the INF file . However in its USB client driver , i also register the only device interface that i would like the driver to support using IoRegisterDeviceInterface function in the AddDevice handler . However i am using the same GUID for this device interface as the one which i am also using in the installation INF as an Setup Class GUID . MSDN tpoics sugegst that this is a bad idea . I am seeing some problems with my driver in some scenarios ( setupAPIs that loop on device interfaces are failing , but only in some scenarios ) and i wanted to know if this could be causing this? could somebody pls elaborate why this is a bad idea and what could possibly go wrong if same GUIDs are used like i am using? thanks and regards Taha Tag: How to create a softice like startup menu from Boot Driver? Tag: 58801
  - 13
    - order of calling IoCreateDevice and IoRegisterDeviceInterface? Hi , The MSDN topic at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/install/hh/install/setup-cls_f439d4d3-234f-4952-ab5a-a14899fbe5f3.xml.asp suggests that first IoCreateDevice should be called and then a driver should register any device interfaces with IoRegisterDeviceInterface. Does thos order matter? what could possibly go wrong if i call IoRegisterDeviceInterface first and then IoCreateDevice? Note that this is a WDM driver and hence i would call IoCreateDevice with DeviceName parameter as NULL thanks and regards Taha Tag: How to create a softice like startup menu from Boot Driver? Tag: 58800
  - 14
    - what does SetupDiGetInterfaceDeviceDetail do?? Hi folks , what is it that SetupDiGetInterfaceDeviceDetail function does? surprisingly there is no help available about this function in MSDN , and i am at a loss to understand what exactly is it that this function does? its prototype is present in setupapi.h and my sample code using tihs function is compiling fine when linking against setupapi.lib thanks and regards Taha Tag: How to create a softice like startup menu from Boot Driver? Tag: 58799
  - 15
    - Screen capture Hi, I am about to create a screen capture application, this app should require minimal amount of system resources and should have a small impact on performance. The captured data should then be sent through the net for storate or runtime consumption. A. I have considered using windows media for that BUT capturing the screen using WMT require a large CPU precentage... B. I have also concidered writing a mirror display driver, this will hook the GDI API and would be able to send the instructions to a remote computer for playback/storage ( this is a similar way to the way windows terminal client works ), This option require immence development efforts which are not available... C. The last option is to hook to the the existing Terminal client infrustructure and to use it to record the terminal client sessions: C.1. Is it possible to interface Terminal client sessions this way? C.2. Is there any exiting Terminal client sessions I can use? C.3. I have understand that Terminal Client use the T100 protocol is ther any detailed documentation of the way it is used by the Terminal client? Any help pointers or ideas concerning these issues would be appreciated... Nadav http://www.ddevel.com Tag: How to create a softice like startup menu from Boot Driver? Tag: 58793
  - 16
    - about USB bulk OUT stop transaction Hi, Sometimes my USB NIC driver stop on bulk OUT transaction. Since my USB Bulk out function (not complete function) sometimes run on PASSIVE_LEVEL and sometimes on DISPATCH_LEVEL! Is that the case? Should I move the function to Make sure it always run on PASSIVE_LEVEL? Any ideas would be greatly appreciated. 0: kd> !irp 81C8BC88 1 Irp is active with 4 stacks 4 is current (= 0x81c8bd64) No Mdl Thread 00000000: Irp stack trace. Pending has been returned Flags = 00000000 ThreadListEntry.Flink = 81c8bc98 ThreadListEntry.Blink = 81c8bc98 IoStatus.Status = 00000103 IoStatus.Information = 00000000 RequestorMode = 00000000 Cancel = 00 CancelIrql = 0 ApcEnvironment = 00 UserIosb = 00000000 UserEvent = 00000000 Overlay.AsynchronousParameters.UserApcRoutine = 00000000 Overlay.AsynchronousParameters.UserApcContext = 00000000 Overlay.AllocationSize = 00000000 - 00000000 CancelRoutine = f831b7fc UserBuffer = 00000000 &Tail.Overlay.DeviceQueueEntry = 81c8bcc8 Tail.Overlay.Thread = 00000000 Tail.Overlay.AuxiliaryBuffer = 00000000 Tail.Overlay.ListEntry.Flink = 00000000 Tail.Overlay.ListEntry.Blink = 00000000 Tail.Overlay.CurrentStackLocation = 81c8bd64 Tail.Overlay.OriginalFileObject = 00000000 Tail.Apc = 00000000 Tail.CompletionKey = 00000000 cmd flg cl Device File Completion-Context [ 0, 0] 0 0 00000000 00000000 00000000-00000000 Args: 00000000 00000000 00000000 00000000 [ 0, 0] 0 0 00000000 00000000 00000000-00000000 Args: 00000000 00000000 00000000 00000000 [ 0, 0] 0 0 00000000 00000000 00000000-00000000 Args: 00000000 00000000 00000000 00000000 >[ f, 0] 0 e1 81e01030 00000000 ef171910-81afd574 Success Error Cancel pending \Driver\usbehci myusb!BulkOutPacketComplete Args: 81f6efb8 00000000 00220003 00000000 Tag: How to create a softice like startup menu from Boot Driver? Tag: 58791
  - 17
    - IRP Buffer Overflow Hi, I am new to the Windows video driver and applications. I am working on a USB video device for Windows XP. I can use AMCAP to select my usb device with a black screen. I traced the data going into Windows through URB layer but I see a lot of buffer overflow (ntstatus code) messages coming from the lower layer using IRPTracker. It seems to me that video data is lost in the layer below IRP. I have the following questions: 1)Where should I start to look at the buffer overflow problem? 2) Where is the place that the video data is putting together as a video frame and then passing up to the next layer? Is it in the USB video class driver? Best regards, Albert Tag: How to create a softice like startup menu from Boot Driver? Tag: 58786
  - 18
    - Automating DIFX merge module integration in MSI file. I'm using DIFX to install a file system filter. After I build a deployment project, there are several modifications that I need to perform on the msi with the ORCA editor, is there any way to automate these steps? In particular I need to assign an INF file to the DPINST merge module, fiddle with some properties, and finally remove the All user/ just me stuff from the dialog. Are there scripts I can run against the ORCA tool that will do these things? I just need something quick and dirty for this small task that I can stick in the Visual Studio post processor. -- Gak - Finecats Tag: How to create a softice like startup menu from Boot Driver? Tag: 58784
  - 19
    - User warned that he should reboot after HID device first plugged i We make a custom HID device, and we use the standard HID device drivers provided by Microsoft to talk to it. Our device shows up in the Device Manager as a USB Human Interface Device. Each of our devices reports a unique serial number during USB enumeration. The first time that a specific device with a given serial number is plugged in on an XP system, there is a delay as the system finds the device drivers for the device. If this device is unplugged and then replugged in later, there is no noticeable delay after plugging in. If our application is running when the device is plugged in, we process WM_DEVICE_CHANGE messages, and look for what is plugged in by running code that calls dynSetupDiGetClassDevs, etc. to walk the device database looking for devices with our USB vendor and product ID's. We also check that the SPDRP_CONFIGFLAGS property is set in an attempt to verify that installation for the device is complete. If we find a device matching these criteria, we open it and start communicating with it. Sometimes, we get messages from Windows warning us that we need to reboot. This only happens if our app is running and we have opened a device that was just plugged in for the first time. I believe that we are opening the device before Windows has finished with the HID device driver initialization for the device. How can we avoid getting the reboot warnings from Windows? Tag: How to create a softice like startup menu from Boot Driver? Tag: 58783
  - 20
    - USBPORT Bugcheck D2 in Windows 2000 SP4 I am encountering a D2 BSOD in USBPORT.sys in various odd contexts. This is the microsoft driver 6/19/2003 5.0.2195.6717 found in SP4 of Windows 2000 Pro. Does anyone have a handle on how to find out what the complete set of USBPORT bugchecks are known and guidelines on what to do to help avoid a BSOD in that code? Tag: How to create a softice like startup menu from Boot Driver? Tag: 58782
  - 21
    - Direct data transfer between two devices? My goal is to directly transfer data in off-screen surface inside video card memory to another PCI card without the relay of system memory. I have the device driver source code of the PCI card, but I don't have the same thing for the video card. After getting the virtual address of the surface, I passed it to the driver. The driver used MmGetPhysicalAddress() to convert the virtual address to physical address and passed it back to the application program. In addition, it also manipulated the surface buffer with IoAllocateMdl() and MmProbeAndLockpage(). With physical address of the surface buffer, I trigged DMA transfer from video memory to our PCI card. Unfortunately, the data I got in the card was the meaningless all 0xFF. I'm wondering if Windows supports direct data transfer (DMA) from one device to another? If OK, what are the procedures to do this? Do I need the source code of the video card? Thanks, Steven Duan Tag: How to create a softice like startup menu from Boot Driver? Tag: 58778
  - 22
    - remove reg entry for driver Hi, Some one from a different section insists that I have to remove the reg entries for a PNP driver after uninstall. I think thes entries should be left there after unstall. Do you know any technical docs I can use to show him? Thanks -- Robert Tag: How to create a softice like startup menu from Boot Driver? Tag: 58777
  - 23
    - PCI bus filter I would like to know if it's possible to emulate the HalGetBusData function with a WDM filter driver. The main goal is to be able to read the PCI configuration space of PCI devices that are not seen by my driver (for example, a 3rd party PCI-PCI bridge, HOST bridge...) for diagnostic purposes or setting special modes of the device. So the goal is to have a single driver that will trap all the PCI device and with an IOControl, this driver will do the read/write using IRP_MN_(READ/WRITE)_CONFIG. Can this be done and how do I install this filter(as an upper filter of pci.sys)? Could I use IRP_MN_QUERY_DEVICE_RELATIONS in my function driver to get the PDO of all the PCI devices? Or is there a way to have all the names of the PCI device and open them in driver? any input will be appreciated as I really don't know what to do first Tag: How to create a softice like startup menu from Boot Driver? Tag: 58771
  - 24
    - Windbg shows only ntoskrnl.exe I am trying to diagnose a hang condition using WinDbg. The hang occurs after the system is booted and sitting at the logon screen. I have WinDbg running on another computer, connected through a serial port. When the target boots, WinDbg shows it successfully communicating with the target, and says debuggee is running. However, when I break into the target, the only process shown is ntoskrnl.exe: + 000:f0f0f0f0 ntoskrnl.exe | +-- 000:1 Surely there are more processes running. Does anyone know what might be going on? I am using the Microsoft public symbol server. Gregg Tag: How to create a softice like startup menu from Boot Driver? Tag: 58765
  - 25
    - Code Alignment Problem We have an odd problem with one of our device drivers, and it seems to be associated with the placement and size of the code, but we cannot determine the exact cause or the correct resolution. First, I need to be clear that this is an older set of code, and it is being compiled with the VS 6 C++ compiler. The driver environment was hacked to permit the use of C++ code in the kernel, and so the environment is even more strange. There is one aspect of the driver that attempts to access the contents of a mountable file system during the boot process. Normally this works fine, as the attempt to open a file in that file system causes an auto-mount, and the file is accessed. We did notice that in debug mode the code was failing, and it turned out that the call to open the file was returning a "device not ready" error, which normally indicates that the file system could not be mounted. As we started to debug the cause of the problem, by adding extra debug information, the problem 'disappeared'! After several hours of experimenting with the code, we found that if we added or removed some code, we could cause the problem to occur or disappear! The actual code being added or removed does not seem to matter, as it is typically debug statements anyway, and in no way affects the algorithm. Does anyone have any suggestions on how we could go about isolating the cause for this problem and avoiding it in the future -- aside from rewriting the driver in the standard and latest DDK environment? -Ken Tag: How to create a softice like startup menu from Boot Driver? Tag: 58757

Hello

How can i get user input and display strings from a Boot Driver like
softice does while windows starts ?

All the methods i saw in this list work for System drivers - drivers
that were loaded after the windows keyboard driver and 8042 port driver

were loaded.
When i tried to use ZwCreateFile to access Device\KeyboardClass0, it
again worked only when i loaded the driver as system and not as boot.

how do the guys from numega does that ?

thanks for any help.

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RE: How to create a softice like startup menu from Boot Driver? by pavel_a

pavel_a
Wed Feb 09 09:49:02 CST 2005

"sharon sahar" wrote:
> how do the guys from numega does that ?

FWIF, Numega now has their own forum so you can ask there.
http://frontline.compuware.com - need to register :-/

Probably they use undocumented HAL stuff like HalDisplayString (?) and so on.

--PA

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