Filter driver on Tablet PC or Embedded XP

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  - 1
    - Problem of receiving TCP packets on Virtual adapter Hi, I am porting IM driver on WM5.0. I have created a virtual miniport with lower metric value so that upper layer application bind with that VA. So all the packets (TCP/UDP) are coming to that VA with IP and MAC of that VA. The IM then spoof the IP and MAC and put the original miniport IP and MAC and send the packet to the original miniport(TNETWLN1). When original miniport receive the packet IM change the IP and MAC of original to the VA and indicate to the upper layer protocol. This works fine in case of UDP packets but TCP packets are not accepted by TCP/IP stack. I check the MAC, IP, Port and CheckSum of TCP packet after spoofing it back. I also checked the MP binding it is fine too. Here what can be the problem. Somebody has find this kind of problem ever. Any kind of help is appreciated. Thanks Rajat Tag: Filter driver on Tablet PC or Embedded XP Tag: 78190
  - 2
    - How to change the resource requirement of device in driver? Hi, How to change the resource requirement of device in driver? I am writing a Miniport driver. After the card inserted, the ResourceRequirementList can be read in HLM/SYSTEM/CurrentControlSet/ENUM/PCI/VEN... from Registry. REG_RESOURCE_REQUIREMENTS_LIST is shown as below, Alternative... Resou... Descrip.. Device.. 1 1 1 Memory 1 2 1 Memory 1 3 1 Memory 1 4 1 Intererupt The third memory is not need, and I want to move it. As the DDK said, I/O manager gives a chance to change the resource requirement. When FDO gets IRP_MN_FILTER_RESOURCE_REQUIREMENTS of IRP_MJ_PnP. I did this successfully, however, for doing this, I add the AddDevice routine and IRP_MJ_PnP dispatch routine, as a result, The MiniportInitialize function is not called. Who can give me some suggestion? Thanks! Tag: Filter driver on Tablet PC or Embedded XP Tag: 78187
  - 3
    - how the vmware windows virtual machine connect the usb device from the host machine ? When you run VMware on a Windows XP host, and a WindowsXP virtual machine runs in the VMware, now you plugin a new usb device to the host, the found new device wizard of the host machine will say that the host found a new device named VMware USB Device whose Hardware ID is USB\Vid_0E0F&Pid_0001. Then the host will load the VMware USB Device driver, which is a USB client driver. And the VMware virtual machine will detect the real usb device type and install the correct device USB client driver. When you unplug the usb device from the virtual machine, the host machine will replace the VMware USB Device driver with the correct device driver. I want to know how the whole process happens. Why the host pnp manager load the VMware usb client driver other than the correct device driver when detecting any usb device with the running of VMware? And how it replaces the VMware usb client driver with the correct device driver when you unplug the usb device from the virtual machine? The process likes a magic to me. I want to know how. The more detailed, the better. Thank you all! Tag: Filter driver on Tablet PC or Embedded XP Tag: 78186
  - 4
    - Incorrect INF - Installer File ? Thanks for the info. Sorry that my answer is so late, but I post things @codecomments.org, which is not very stable -- Markus09 ------------------------------------------------------------------------ Posted via http://www.codecomments.com ------------------------------------------------------------------------ Tag: Filter driver on Tablet PC or Embedded XP Tag: 78184
  - 5
    - [Q] Acquiring the same spinlock when it was previously acquired I'm seeing something strange in an NDIS miniport which uses a single spinlock. For example, in the driver's MPSendPackets() function: 1. The spinlock is acquired before calling processing the packets in the packet array. 2. MPSendPackets() calls SendPacket() to send each packet in the packet array. 3. SendPacket itself acquired the same spinlock, processes the send request and then releases the spinlock. 4. After all packets in the packet array have been processed, MPSendPackets() releases the spinlock. So, this driver is nesting spinlock aquires/releases while the same spinlock has previously been acquired. I would have throught this would have resulted in a deadlock, which doesn't happen. Is there a reference count maintained each time a spinlock is acquired, such that it is only released when the count becomes 0? I didn't see any mention of this in the DDK docs, but that seems to be what is happening. Thanks! Tag: Filter driver on Tablet PC or Embedded XP Tag: 78175
  - 6
    - Accessing PCI device behind a non-transparent bridge. I have some questions on accessing a PCI device behind a non-transparent bridge. I have a PCI bridge that originates a PCI like bus on its secondary device. This bridge connects to the host through the PCI slot(32-bit 33Mhz). The bridge, though, is a non-transparent bridge. This secondary bus allows regular PCI devices to be plugged into the bus. I have a PCI device that sits on the secondary bus. I have a driver for this device that works if the PCI device is plugged into the host's PCI bus. I am thinking that the same driver does not work when the PCI device is plugged to the secondary bus. In particular, since the bridge terminates all memory transactions on the secondary bus (including MSI and interrupt transactions) and does not forward to the primary interface, the driver as it is will not work. SO I have the following solution. Write a bus driver that talks to the bridge through the host PCI interface. This bus driver enumerates the PCI-like bus on the secondary side , will detect my device and initialize it. So far so good. The device I/F is such that its DMA ranges are programmed using configuration accesses. This is where the driver model breaks down. Even if my bus driver takes the config accesses and forwards them to the secondary side as configuration accesses on the secondary side, because the driver programs the ranges as host ranges which cannot be reached from the secondary side. THis means I cannot reuse the driver. Ideally, I want to be able to have the same driver binary in both PCI and secondary bus case. In the secondary bridge case, I want to be able to allocate shadow ranges on the host side that get filled in when the PCI device does DMA (or copied from) on the secondary side. I have another related question. Windows claims to run on architectures with non-transparent bridges(such as from Intel or DEC). If a PCI-to-PCI bridge is nontransparent can Windows reuse the same driver as in the traditional PCI case?. If so, how is this done especially if the secondary side cannot access the host memory ranges. Thank you, RK Tag: Filter driver on Tablet PC or Embedded XP Tag: 78167
  - 7
    - Bluescreen 0x0000007E Hi! I'm having some problems handling BusRelations. I keep getting a bluescreen (0x0000007E) as soon as I return something to the PnP manager. First, I create a device in an IOCTL: status = IoCreateDevice(..., &myChildDevice); ... myChildDevice->Flags &= ~DO_DEVICE_INITIALIZING; pExt->BusInfo.AChildDevice = myChildDevice; IoInvalidateDeviceRelations(pExt->Pdo, BusRelations); And then I handle the IRP_MN_QUERY_DEVICE_RELATIONS/BusRelations IRP: PDEVICE_RELATIONS pDeviceRelations = (PDEVICE_RELATIONS)pIrp->IoStatus.Information; if(pDeviceRelations) { ExFreePool(pDeviceRelations); } pDeviceRelations = (...)ExAllocatePool(PagedPool, sizeof(DEVICE_RELATIONS)); ... pDeviceRelations->Count = 1; pDeviceRelations->Objects[0] = pExt->BusInfo.AChildDevice; pIrp->IoStatus.Status = STATUS_SUCCESS; pIrp->IoStatus.Information = (ULONG_PTR)pDeviceRelations; In a nutshell, this is all that I do. If I comment out the last row, there's no bluescreen. Any ideas? Oh, and there are some blanks above. When done I pass the IRP through the stack, I always check that memory is allocated properly, I always check status codes etc. Thanks in advance, Nille Tag: Filter driver on Tablet PC or Embedded XP Tag: 78165
  - 8
    - Why is the HCT preventing my driver from unloading? The problem: I've developed a USB WDM driver that doesn't fall in any device category, so I'm trying testing it with the "universal" test suite. As soon as I select it in the HCT "Test Selection Wizard" window, and I click on ok, the driver will not unload any more. What's happening: knowing that this kind of problems are caused by leaky references to the device or driver object, I did my homework following the directions provided by Eliyas ("Debugging a Failed Driver Unload" in the WinDbg online help), looking for a mismatching ObReferenceObject/ObDereferenceObject couple in my driver. I indeed found one, but it's not in my driver: it's in kitdevis.sys, that appears to be part of the HCT distribution. It seems that for some reason, between two calls to my IRP_MN_QUERY_CAPABILITIES handler, kitdevis.sys increments the reference counter of my device obejct, and after that it never decrements it. A thing to mention is that I'm borrowing the PNP handling code from Walter Oney's WDM book, without any modification. Another thing to mention is that I never experienced any problem in unloading the driver, in months of developing and testing. It only happens when I click "ok" in the Test Selection Wizard. Now, I know I must be doing something very stupid, because it's impossible that the HCT suite has such a macroscopic problem, but I've no idea what. Does anybody know what could cause this behavior? Thanks in advance! Loris Tag: Filter driver on Tablet PC or Embedded XP Tag: 78164
  - 9
    - Saving Device Parms to the registry Is there any recommended maximum size of data that can be saved to the registry rather than saving to separte on disk file. For instance for my device to work I might need 6K bytes of radio PHY parameter data to program into the card. Is it OK to save that much data to a single Binary Value under my parameter key in the registry? How about in multiple Binary Values? thanks tom Tag: Filter driver on Tablet PC or Embedded XP Tag: 78144
  - 10
    - Programmatically power up or down a particular device [on a hotplug bus] Is there any documented way to programmatically change the power state of a device (i.e. power off or power on) from usermode? (I'm not particularly knowledgeable about programmatically controlling power management...) In particular, I'm looking to be able to power on or power off an arbitrary USB or 1394 device (i.e. not a device I wrote the driver for). For example, I might have an externally powered USB or 1394 device that is attached to a battery backup system that is separate from the battery backup system the computer is on. I can determine whether the battery backup system that the external device is on is low on power or not, but I need a way to gracefully shutdown the appropriate device before an impending power loss. Because the computer itself is on a different battery system (say for the sake of argument that it is a higher capacity battery system), I don't want (or need) to shut down the computer entirely, just the affected devices. Assume for the moment that I have control over any applications that might be using said devices and can make sure that they relinquish usage before I try to shutdown the device. One option I see is to request a graceful device removal (e.g. CM_Request_Device_Eject_Ex), since the devices are going to be on a hotpluggable bus, but this seems suboptimal for what I'm looking for. Tag: Filter driver on Tablet PC or Embedded XP Tag: 78143
  - 11
    - Q) NDIS_STATUS_PENDING for a MiniportSetInformation and NdisMSetInformationComplete. Dear all, I'm developing NDIS miniport driver for Win2K and WinXP. If a Miniport D/D return NDIS_STATUS_PENDING for a MiniportSetInformation, it will need to return the final status for the NdisMSetInformationComplete. However, the NdisMSetInformationComplete does not have NDIS_OID or Informationbuffer that was from MiniportSetInformation. So, I think it is impossible to identify what the paired MiniportSetInformation is if there were multiple MiniportSetInformations with NDIS_STATUS_PENDING. Q) Between returning NDIS_STATUS_PENDING for a MiniportSetInformation and NdisMSetInformationComplete, is it guaranteed not to issue another MiniportSetInformation from the Window operating system? This can apply to MiniportQueryInformation/NdisMQueryInformationComplete as well. Have a nice weekend. Thank you. // Daum Tag: Filter driver on Tablet PC or Embedded XP Tag: 78138
  - 12
    - drivers location on x64 Hi Where are installed drivers stored on the Windows x64? The service key ImagePath still points to the system32\drivres directory, but you cannot find drivers there. TIA Andrew Tag: Filter driver on Tablet PC or Embedded XP Tag: 78137
  - 13
    - bug found only in signed printer driver, how to debug? I recently got my printer driver signed. After getting signed, our QA group found a bug. When I (and then they) tried to reproduce it, we found it only happens with the signed version. The unsigned version does not have the problem (it's a spooler crash when doing a test print as part of the install; test prints after install and normal application prints work fine). So I'm wondering how to debug this. I can't very well submit a debug version of the driver to be signed (cause then it will be part of windows update and all our customers will get this debug driver). And debugging the non-debug, signed, version of the driver is less than productive. Any ideas? Thanks, ScottR -- Scott Robins Tag: Filter driver on Tablet PC or Embedded XP Tag: 78136
  - 14
    - UpdateDriverForPlugAndPlayDevices does not remove all devices. Hi, I have a device driver that has many virtual devices that have been added through PnP via the AddDevice DriverObject Function call via the PnP system. I can have up to 255 of these devices for this driver. When I have created a new version of this driver, I update it with the system call, "UpdateDriverForPlugAndPlayDevices()". I was hoping that this call would force a call to my driver to "REMOVE_DEVICE" one at a time until there are no devices. At this time the PnP system would call my unload routine. Then when the PnP system calls the AddDevice routine the new driver would be loaded. It does work this way if I only have one or two devices on the driver. However, If I have more devices than this, then the PnP system sends the "REMOVE_DEVICE" IOCTL for a few of them, then calls the AddDevice for the devices that were just removed. Then it repeats this until all of the devices have been removed and re-added. Consequently, the number of devices never reaches zero and the unload routine is never called. At the end of the driver update, a reboot is required, because the previous version of the driver is still the running driver. My question is this: Is there anyway to tell UpdateDriversForPlugAndPlayDevices to remove all the devices before adding them back? Thanks in advance, -David G Tag: Filter driver on Tablet PC or Embedded XP Tag: 78134
  - 15
    - standby and hibernation How much will the typical laptop tax the battery if it goes to standby instead of hibernation. Is it significant? Will the standby mode still secure? I mean can someone get details of my computer or write a file (if I dont have antivirus/firewall, for example). I think hibernate is safest in this respect? thanks, Raj Tag: Filter driver on Tablet PC or Embedded XP Tag: 78126
  - 16
    - System hang Hi all, got a nasty system hang issue that I have about run out of ideas on: We only get the hang on an Asus A6000 U, we havent seen it on any other laptop, and, in fact, the driver for this device has been WHQLed in various versions for the last 6 months or so. The device is a PCCard device with an FPGA interface (It is also made by us). We are using WinDbg on a 1394 cable to debug. The hang happens with release drivers, and debug drivers that have no DbgPrinting. With a lot of DbgPrinting, the laptop doesnt hang. With just one DbgPrint at the very start of the Isr, wew do get tha hang, but WinDbg does not show a continuous trace, so this is not an unhandled interrupt as the ISr is not getting called. We cannot break into the hung laptop using Ctrl+Break. We can also not generate a user crash via the RightCtrl + Scroll Lock x 2 technique. Tag: Filter driver on Tablet PC or Embedded XP Tag: 78125
  - 17
    - Context for Temporary files in case of MSWORD Hi All, I am writing a file system driver for logging purpose. In it, i need to save the context of all the intermediate files formed in case of MS Officce Document. For example in case of MS Word alot many temporasry files with name as ~wr*****.tmp are formed. Now i need to save the refernce that all these files are formed by this particular word document that i have created. So my question is, alothugh some of these files are renamed inbetween (so not a problem to save referce to original file for them), but for all others, i m not able to relate it with the original document. Please help me in this. Regards, Shreshth Luthra Tag: Filter driver on Tablet PC or Embedded XP Tag: 78121
  - 18
    - Bluetooth DDI [Getting Interface via IRP_MN_QUERY_INTERFACE] Does anyone has any chance working on Bluetooth DDI so far? STATUS_NOT_SUPPORT (0xc00000bb) returned by IoCallDriver when I pass down IRP_MN_QUERY_INTERFACE irp to lower driver stack PDO (which is BTHPORT). The driver is enumerated by BTHPORT all right, *I assumed*. One way or another, I may get STATUS_INVALID_DEVICE_REQUEST with various attempt to send IRP_MN_QUERY_INTERFACE. Doron suggested that I might have the interface structure not well formed. I'm not sure what may the interface structure I need to form. I don't think I'm doing anything different to query interface. Has anyone had any success with getting Interface, or working on anything else, with Bluetooth DDI? Much Appreciated. ========== DEFINE_GUID(GUID_BTHDDI_SERVER_INTERFACE, 0x2caf6042, 0x3468, 0x4e46, 0xbf, 0xd6, 0x86, 0xd4, 0xbe, 0xf0, 0xb, 0x71); PINTERFACE Interface; irpStack->MinorFunction = IRP_MN_QUERY_INTERFACE; irpStack->Parameters.QueryInterface.InterfaceType = (LPGUID) &GUID_BTHDDI_SERVER_INTERFACE; irpStack->Parameters.QueryInterface.Size = sizeof(INTERFACE); irpStack->Parameters.QueryInterface.Version = 1; irpStack->Parameters.QueryInterface.Interface = (PINTERFACE) Interface; irpStack->Parameters.QueryInterface.InterfaceSpecificData = NULL; ========== Thanks RichardMAN Tag: Filter driver on Tablet PC or Embedded XP Tag: 78118
  - 19
    - How to write a ADC ,I2C,SPI driver in wince5.0 ? hi, We are planning to develop the following drivers for windowsCE5.0: 1,driver for built in ADC 2,driver for I2C to drive i2c DAC ie MAX5841 3,driver to support serial flash for the density of 4mb using SPI(AT25F4096) The drivers are for the samsungs s3sc2410 RISC microprocessor.i searched in platformbuilder help and there seems to be no sample code for these drivers? Since i am new to wince i am totally lost...can anyone please tell me if there is some sample driver available which i am missing out or if someone has worked on these drivers please let me know how to develop them or where to find some tutorial for this..... Thankyou Tag: Filter driver on Tablet PC or Embedded XP Tag: 78111
  - 20
    - STOP WZCSVC Hi! I use NDISUIO to look for the SSID avaiable and setting them, but I must stop WZCSVC and I don't know how to do it. Can you illustrate me how to do it? Thanks Giulio Tag: Filter driver on Tablet PC or Embedded XP Tag: 78097
  - 21
    - Vista graphics question Hi, I just downloaded the Feb Vista CTP Beta. I have installed in the system a NVidia Quadro FX 3400 video card which has a beta Vista driver and the "aeroglass" display subsystem seems to be working correctly. The display driver in Hardware manager claims to have 2 drivers for the NVidia card, a video card "miniport" driver in the Drivers directory and a .dll display driver in the system32 directory. This sounds just like Win XP/2000. However when I attach a debugger to the system, the only file that I see load is the video card miniport driver. Does this mean that the display driver is not used, and if so why does NVidia have a display driver? Tag: Filter driver on Tablet PC or Embedded XP Tag: 78096
  - 22
    - PsSetCreateProcessNotifyRoutine Hi, When my driver receives a notification that a process has been created, is the process held in a suspended state until the notification handler routine completes? Or is the notification asynchronous? Thanks, Rich Tag: Filter driver on Tablet PC or Embedded XP Tag: 78087
  - 23
    - UpdateDriverForPlugAndPlayDevices fails ERROR_FILE_NOT_FOUND I am calling UpdateDriverForPlugAndPlayDevices( ) to install driver for my (virtual) device, whose HW id is: *MyDevice - this just copies .sys into system32\drivers folder but the API fails with error code 2 (The system cannot find the file specified.). INF path is correct (of course, sys file is copied to target folder reading INF file). Same INF file installs driver correctly if I go through 'Add Hardware' wizard. What could be issue? Is it becaz I don't have physical device? But I specified *MyDevice...I am confused.. -- ++Sathya Tag: Filter driver on Tablet PC or Embedded XP Tag: 78085
  - 24
    - Using INetCfgBindingInterface for NIC but what about DUN? I need to test for enabled bindings of my NDIS Intermediate Driver under W2K,XP,Vista. Starting from the netcfg sample this works fine now for Network Interfaces. But INetCfgBindingInterface seams not to enumerate Bindings of my Dialup entries. Any hints? Thomas Kluge T-Systems Enterprise Services GmbH Tag: Filter driver on Tablet PC or Embedded XP Tag: 78081
  - 25
    - Using INetCfgBindingInterface for NIC but what about DUN? I need to test for enabled bindings of my NDIS Intermediate Driver under W2K,XP,Vista. Starting from the netcfg sample this works fine now for Network Interfaces. But INetCfgBindingInterface seams not to enumerate Bindings of my Dialup entries. Any hints? Thomas Kluge T-Systems Enterprise Services GmbH Tag: Filter driver on Tablet PC or Embedded XP Tag: 78080
- Next
  - 1
    - NDIS + Visual Studio 6 (C++ environment) - raw ethernet packet send/receive Hello people, I'm about to program an application that uses raw ethernet packets to transmit and receive information. I want to use the NDIS driver therefore. I already got WinDDK, and took a look at the c-example (ndisprot). But my question is, how can I implement this in a Visual Studio 6 environment??? Temporary I used Winpcap to send and receive my packets. Even though it's buggy it works, but it's not as professional as with a protocol driver, that has to be installed, and can be activated or deactivated. Could anyone please give a good advise on how to realize this as well as possible?? My best regards! Cheers! Tag: Filter driver on Tablet PC or Embedded XP Tag: 78079
  - 2
    - All the possible return values of "rundll32 printui.dll,PrintUIEnt I am not sure this is the right place to ask this question. Anyway, do you know all the possible return values of "rundll32 printui.dll,PrintUIEntry ..."? Thanks for your help in advance. Tag: Filter driver on Tablet PC or Embedded XP Tag: 78075
  - 3
    - macro taking variable args Hi , ISO C defines macros that can take variable arguments. The code below compiles on linux but fails with DDK XP. Do I have a similar option in windows. #define AMZ_OSAL_debug1(format, ...) \ {\ KdPrintEx((DPFLTR_IHVDRIVER_ID, DPFLTR_TRACE_LEVEL, \ "DEBUG LOG %s, line-%d%::", __FILE__, __LINE__ ));\ KdPrintEx((DPFLTR_IHVDRIVER_ID, DPFLTR_TRACE_LEVEL,\ format, __VA_ARGS__ ));\ KdPrintEx((DPFLTR_IHVDRIVER_ID, DPFLTR_TRACE_LEVEL,\ "/n"));\ } Thanks. Nitin Tag: Filter driver on Tablet PC or Embedded XP Tag: 78072
  - 4
    - STA deauthenticated while scanning Hi everyone, I am writing a 802.11 network miniport driver and having a problem as follows. My driver is running under Windows XP SP2 and can associate with specified BSS without problems. However, the OID_802_11_BSSID_LIST_SCAN requested per minute by WZC really annoys because sometimes when my driver switches channel to scan, AP cannot get ACK frame from my NIC and decides to send deauthenciation frame. Could anybody tell me how you solve this problem? Regards, David Tag: Filter driver on Tablet PC or Embedded XP Tag: 78069
  - 5
    - (about USB autorun ¹ØÓÚUSB autorunÎÊÌâ) Dear friends: I have realize usb autorun in WinXP, (I emulate a cdrom with a usb disk on mass storage protocol.), but on Win2000, I can emulate a cdrom with a usb disk, but the autorun program can't be execute when the usb device was plug in. I have test a usb cdrom-box, when the cdrom was put to the usb cdrom-box, I also can't be executed by win2000, why? thank you very much. Best Regards Mike Han Ç×°®µÄÅóÓÑ£º ÎÒÔÚwinxpÉÏÊµÏÖÁËusb autorun(ÊÇÔÚMass StorageÐÒé»ù´¡ÉÏ²ÉÓÃÓÃUÅÌµÄ·½Ê½À´ÊµÏÖµÄ)£¬ ÔÚwinxpÏÂÎÞÎó£¬µ«ÔÚwin2000ÏÂ£¬ËäÈ»ÎÒÒÑ³É¹¦Ê¶±ðÎª¹âÅÌ£¬²¢¿É²Ù×÷£¬µ«ÊÇ¾Í ÊÇ²»ÄÜautorun£¬¼´µ±UÅÌ²åÈëPCÊ±£¬¿ÉÒÔÕýÈ·Ê¶±ðÎªÒ»¸öcdrom,µ«ÊÇ²»ÄÜ×Ô¶¯Ö´ÐÐÉÏÃæµÄautorun³ÌÐò¡£ ÎÒÔø¾ÄÃÒ»¸öusb ½Ó¿ÚµÄ¹âÅÌºÐÀ´×öÊµÑé£¬Ò²·¢ÏÖÀàËÆÎÊÌâ£¬win2000ÏÂ¶Ôusb¹âÅÌºÐÒ²²»Ö§³Öautorun,µ«ÎÒ¿´µ½ÓÐÐ©²úÆ·Ò²ÊÇ²ÉÓÃÐéÄâcdrom·½Ê½ÊµÏÖÁËwin 2000ÏÂµÄautorun£¬²»ÖªµÀÊÇÎªÊ²Ã´ £¬Ï£ÍûÓÐÕâ·½Ãæ¿ª·¢ ¾ÑéµÄÅóÓÑÖ¸µãÃÔ½ò£¬Ð»Ð»¡£ mikehan Tag: Filter driver on Tablet PC or Embedded XP Tag: 78067
  - 6
    - USB device and iSerialNumber As per WHQL device requirements either we implement iSerialNumber as unique or not at all. If we implement unique serial number and we get assigned COM port numbers, those will be going up all the time on new device. How to take care of this situation in manufacturing process or any support PC which can see thsousands of these devices? Is there any provision to control this scenario on some pc's? iSerialNumber will be great feature for our end users which we want to provide witout creating any chaos in our support site. Thanks, - Sujit Tag: Filter driver on Tablet PC or Embedded XP Tag: 78049
  - 7
    - SCSI Passthrough Using Write Buffer Command Hi everyone, We are trying to send vendor-specific data to an ATAPI device we have designed, using the WRITE BUFFER command (SCSI op code 0x3B) through an application running under WIN 2000. The function uses the IOCTL_SCSI_PASS_THROUGH_DIRECT, just like the spti.c example in the MSDN library. The protocol is working but the only data we get is the CDB[] array repeated over and over, not the data buffer specified in sptdwb.sptd.DataBuffer. Can anyone suggest what is wrong, or where to look for a solution? Thanks in advance, Garet Tag: Filter driver on Tablet PC or Embedded XP Tag: 78047
  - 8
    - XP kernel builds Hi all. I don't know if this is the right forum for this question, in any case... I have a machine issuing a replicable BSOD in my driver, that I'm not able to replicate on other machines. This machine is running XP SP2 (well, WinDbg says it's SP2), UP kernel, and the file version of ntoskrnl.exe is 5.1.2600.2622 (xpsp.050301-1521) while my laptop (and other machines with a UP kernel) have ntoskrnl.exe version 5.1.2600.2622 (xpsp_sp2_gdr.050301-1519). Does anyone here have any idea what is that kernel (xpsp.050301-1521) running on this machine?? Have a nice day GV Additional info (from Windbg) ----------------------------- BSOD machine: Windows XP Kernel Version 2600 (Service Pack 2) UP Free x86 compatible Product: WinNt, suite: TerminalServer SingleUserTS Built by: 2600.xpsp.050301-1521 My laptop: Windows XP Kernel Version 2600 (Service Pack 2) UP Free x86 compatible Product: WinNt, suite: TerminalServer SingleUserTS Built by: 2600.xpsp_sp2_gdr.050301-1519 Tag: Filter driver on Tablet PC or Embedded XP Tag: 78046
  - 9
    - remove USB Device in C++ Hello I want to remove a USB device (external Disk) with a program in C++ knowing only the drive letter. Anybody can help me ?? Jeff Tag: Filter driver on Tablet PC or Embedded XP Tag: 78043
  - 10
    - How to identify the driver that prevents the OS from hibernation? I'm occasionally getting error 0xc000009a, reporting that hibernation got disabled due to "insufficient resources". I suppose this is a driver issue, and I'm wondering how one can go about diagnosing it. It appears to be memory-related, it happens on a desktop with 4GB RAM and on a notebook with 2GB RAM, never on any of the machines with a smaller amount of memory. What could be the reasons for such behavior, and where to look for the evidence? Your advice would be appreciated. I've tried on different forums without any success. I'm running Win 2k3 EE + SP1. Krzys Tag: Filter driver on Tablet PC or Embedded XP Tag: 78042
  - 11
    - MAC Addresses Returned By OID_WAN_PERMANENT_ADDRESS How does NDISWAN generate the MAC address returned through a query of OID_WAN_PERMANENT_ADDRESS or related OIDs? The low-order 4 bytes are always " RAS" while the high-order 2 bytes seem to be different on different laptops/desktops. For example, on one desktop these bytes are 0x2c-0x31, while on another they are 0x4A-0x47. Also, since NDISWAN is in the way and appears to spoof a MAC address for the underlying WAN device, does that device have it's own MAC address and is it accessible through any type of OID query? Thanks! Tag: Filter driver on Tablet PC or Embedded XP Tag: 78040
  - 12
    - Port Monitor memory allocation I'm still fairly new to driver development, so please have patience with me if some of my questions may seem dumb... I've written a Port Monitor dll which is supposed to intercept print jobs, write them to disk and process them further. This is working the way it's supposed to, for the most part, but a problem I am having right now is that I'm not sure how to properly allocate memory properly. I tried several methods (malloc, GlobalAlloc, etc.) to allocate space for strings, for example, but they all seem to compromise stability, either leading to outright crashes, or leading to the Spooler process terminating quietly eventually. Only using something like fixed arrays of char seems to be stable, but ... well, I don't think I have to explain the drawbacks of having to specify the size of strings at compile time... Is there something I am missing? Are there any special rules for Printer Driver DLLs for allocating/freeing memory (besides the obvious one to make sure to free everything you allocate, which I am pretty sure I am already doing)? Tag: Filter driver on Tablet PC or Embedded XP Tag: 78037
  - 13
    - Problem in Interrupt Handling on Vista Beta2 Hi All, I am developing the PCI based network(NDIS6.0) driver for Windows Vista Beta2. My driver is crashing as soon as my DpcForISR is returned. Everything goes fine, during interrupt handler registration with NDIS in Intialize routine. I am not using RSS mechanism in my driver. not specifying anything at TargetProcessors parameter of MPISR. When i put hardcode debugbreakpoint at the end of DpcForIsr and step into, MPISR is called again and goes properly.After this no more DpcForIsr and crash happens. I added debug messages when i step through , just before the bugcheck occurs for reference. **T100**====> MPIsr **T100**MPIsr: DisableInterrupt **T100**NICDisableIntr --> **T100**<-- NICDisableIntr **T100**<==== MPIsr InterruptRecognized 0x1 TestDrv!MPHandleInterrupt+0x33e: 9702dd40 5f pop edi kd> t TestDrv!MPHandleInterrupt+0x340: 9702dd42 5d pop ebp kd> t *** ERROR: Symbol file could not be found. Defaulted to export symbols for ndis.sys - ndis!NdisMSynchronizeWithInterruptEx+0x16c: 81b5de0e 83c638 add esi,0x38 kd> t ndis!NdisMSynchronizeWithInterruptEx+0x16f: 81b5de11 83c8ff or eax,0xffffffff kd> t ndis!NdisMSynchronizeWithInterruptEx+0x172: 81b5de14 f00fc106 lock xadd [esi],eax kd> t ndis!NdisMSynchronizeWithInterruptEx+0x176: 81b5de18 eb1f jmp ndis!NdisMSynchronizeWithInterruptEx+0x197 (81b5de39) kd> t ndis!NdisMSynchronizeWithInterruptEx+0x197: 81b5de39 5f pop edi kd> t ndis!NdisMSynchronizeWithInterruptEx+0x198: 81b5de3a 5e pop esi kd> t ndis!NdisMSynchronizeWithInterruptEx+0x199: 81b5de3b 5b pop ebx kd> t ndis!NdisMSynchronizeWithInterruptEx+0x19a: 81b5de3c 5d pop ebp kd> t ndis!NdisMSynchronizeWithInterruptEx+0x19b: 81b5de3d c21000 ret 0x10 kd> t nt!HalPrivateDispatchTable+0xd18: 814f2820 0100 add [eax],eax kd> t *** Fatal System Error: 0x0000000a (0x00000002,0xD0000002,0x00000001,0x814F2820) A fatal system error has occurred. Debugger entered on first try; Bugcheck callbacks have not been invoked. A fatal system error has occurred. The debuggee is ready to run nt!DbgBreakPointWithStatus+0x4: 8144207c cc int 3 kd> t nt!DbgBreakPointWithStatus+0x5: 8144207d c20400 ret 0x4 kd> t nt!KeBugCheckEx+0x1b8: 814b631d eb65 jmp nt!KeBugCheckEx+0x21f (814b6384) kd> t nt!KeBugCheckEx+0x21f: 814b6384 8975fc mov [ebp-0x4],esi kd> t nt!KeBugCheckEx+0x222: 814b6387 837d0803 cmp dword ptr [ebp+0x8],0x3 Am I missing anything new in Beta2 regarding interrupt management.(I see this key in Registry). Vista Beta1 works fine. Any comments on above observations are welcome. Regards, Chiranjeevi. Tag: Filter driver on Tablet PC or Embedded XP Tag: 78029
  - 14
    - Commercial component: joystick driver controlled by user software Hello, I'm look after a commercial joystick driver controlled by my application (determine the number of axis, determine the number of buttons, transmit axis values and button values). I thing, the virtual joystick driver possible is a combination of an joystick or game port minidriver and a opportunity to control this driver through IOControl or an ActiveX component etc. which I can order about my application. Why I look after such comonent is, about the defined DirectInput interface other applications should be able to get data from my application (process communication). I thinking, the DirectInput interface is the best combination with the kind of data, which should be exchange by this interface. And destination computers where my application will be installed, dosn't have a real physical joystick. Do anyone kow such component? Thanks and best regards, Hubert Tag: Filter driver on Tablet PC or Embedded XP Tag: 78025
  - 15
    - Printer Installation APIs hi All, I am trying to figure out, that when a USB Printer or a parallel port printer gets installed on the system, then what all APIs (like AddPrinterDriver etc.) are called, and in what sequence. It will be great if some one can help me out with this. Thanks in advance. Pankaj Tag: Filter driver on Tablet PC or Embedded XP Tag: 78023
  - 16
    - reg. frame descriptor of USB 1.1 video class specification Hi, YUV2 Packed data format It is mentioned that USB 1.1 video class specification supports YUV2 (uncompressed) packed data format. What does that mean? what type of packing is supported i.e., 1. Y-Cb-Y-Cr or 2. Y-Cr-Y-Cb or 3. Cb-Y-Cr-Y or 4. Cr-Y-Cb-Y Also, at the host side, how does it know which packing is supported as the Frame descriptor does not have any fields to mention about that? Frame Buffer Size One sample (pixel) is 16-bit size, suppose if the resolution is 1024 * 768 then the video buffer size would be 1024 * 768 * 2 (1.6 MB). Is this correct? The buffer allocation at the host side would be Y - 1024 * 768 * 1 (8 -bit) U - 1024 * 384 * 1 (8-bit) V - 1024 * 384 * 1 (8-bit) In total it is 1.6 MB. Is this correct? Minimum and Maximum Bit rates The two fields dwMinBitRate and dwMaxBitRate are not clear to me. How will you set the value for it? For Uncompressed data, will both contain the same value? Suppose I have a frame size of 1024 * 768 * 2 (as above) and 15 frames per second then the bit rate would be 1024 * 768 * 2 * 15. is this correct? Kindly provide me the answers asap. Thanks, Murali Tag: Filter driver on Tablet PC or Embedded XP Tag: 78022
  - 17
    - The specified driver is invalid Hi, I patched this driver Steamdvr.sys. Now when Steam.exe tries to start Steamdvr.sys, it fails to start. Generating error code 2001 (ERROR_BAD_DRIVER) - The specified driver is invalid. Is there anything I missed to do to be able to start the driver? Steamdvr.sys is causing a BSOD when I run a game called Red Orchestra with Zone Alarm installed. So I patched Steamdvr.sys and wanted to test if my patch will resolve the BSOD. But the patched Steamdvr.sys refused to start. Any ideas will be highly appreciated. Thanks. Elos Tag: Filter driver on Tablet PC or Embedded XP Tag: 78018
  - 18
    - Regarding WinDebugger Hello friends, i am new to this Devuce driver stuff, i am at the basic level. I just wanted some information regarding WinDebugger from microsoft. I have downloaded it from the microsoft web, but i am not getting exact idea, how to use it. If any one of u is having any good documentation of this, please send me the link. Thank You Yogi Tag: Filter driver on Tablet PC or Embedded XP Tag: 78017
  - 19
    - Dynamically Loading/Unloading NDIS Drivers From USB Drive Is it possible to load/unload NDIS drivers (in this case, an NDIS IM driver) on XP and W2K from a USB drive without actually installing the driver (i.e., changing the registry)? I know one solution would be to install the driver using the INetCfg API as shown in BindView, but that would require an install through an .inf file with modifications made to the registry. I wanted to see if it's possible to dynamically load the driver and avoid the registry changes. Thanks! Tag: Filter driver on Tablet PC or Embedded XP Tag: 78013
  - 20
    - Incorrect INF - Installer File ? Hallo! I have a driver, I would like to install with an INF Files because it is a PnP/WDM Driver. But when I want to install it via the Hardware-Manager, there is an error: ~"The specified place has no information about the hardware" The Hardware is plugged in. Here the content of the INF - File: [Version] Signature = "$Windows NT$" Class=Net ClassGUID={4d92c6ab-cfe1-42c8-a81b8b62ee20f9ad} Provider=%MarkusSoft% DriverVer= 4/4/2006 [DestinationDirs] treiber.Files.x86_12 = 12 [SourceDisksNames.x86] 0=%Desc_x860% [SourceDisksFiles.x86] driverbase.sys=0,.\treiber, [Manufacturer] %MarkusSoft%=MarkusSoft [MarkusSoft] %TreiberDesc%=Treiber_Inst,PCI\VEN_CEBA&DEV_2319 [Treiber_Inst.ntx86] CopyFiles = Treiber.Files.x86_12 [Treiber.Files.x86_12] driverbase.sys [Strings] MarkusSoft= "Markus Software" Desc_x860= "MARKUS" TreiberDesc= "Desc." The Files are in in the following structure: .\basisTreiber_install.inf .\treiber\driverbase.sys Does someone find a mistake in the INF? Or could this also be a problem of the SYS-File? Markus -- Markus09 ------------------------------------------------------------------------ Posted via http://www.codecomments.com ------------------------------------------------------------------------ Tag: Filter driver on Tablet PC or Embedded XP Tag: 78009
  - 21
    - SetupCopyOemInf Failiure Hello, Attempting to install our printer driver on Windows XP Pro x64, SetupCopyOemInf() fails with error 87: The parameter is incorrect. The .INF is copied to the INF directory as OEM9.INF, and OEM9.PNF is created, which -- I believe -- is what is supposed to happen. The same .INF works properly with Add Printer Wizard. In the debugger, just after the pop-up about unsigned drivers, Continue Installation is selected, then an access violation occurs: mov [r15], eax ; ds:fffff97f`00000000=???????? The parameters to are: SetupCopyOemInf(szInf, 0, SPOST_PATH, 0, NULL, 0, 0, NULL); Also, I noticed that SETUPAPI.LOG shows a difference when installing via Add Printer Wizard and via our setup program. Add Printer Wizard: #W367 - "A valid signature ... .INF" for driver "Printers" will be installed ..." Our Setup program: #W367 - "A valid signature ... .INF" for will be installed..." The words 'driver "Printer"' are missing. Could this be a clue as to what SetupCopyOemInf() is failing on? Thanks in advance. Tag: Filter driver on Tablet PC or Embedded XP Tag: 78008
  - 22
    - Does the system automatically disable drivers? Are there situations when the system will automatically disable (i.e. set Start to SERVICE_DISABLED) a legacy driver configured as a system-start driver? Mike Tag: Filter driver on Tablet PC or Embedded XP Tag: 78004
  - 23
    - OID_TCP_TASK_OFFLOAD In DDK doc is written: "If an intermediate driver modifies the contents of TCP packets that it forwards down to an underlying miniport driver such that TCP offload functions cannot be performed on the packets, the intermediate driver should respond to OID_TCP_TASK_OFFLOAD queries with a status of NDIS_STATUS_NOT_SUPPORTED instead of passing the request down to the underlying miniport." I dont understand what modification can it be ? For example IM driver that has implemented NAT. IP addresses and ports are changed, NdisSend() is called and miniport takes packet, calculates checksum and send it. I dont see any difficulty with calculating checksums by miniport on such NAT-ed packets. Or is there mean other type of modifications ? Peter Tag: Filter driver on Tablet PC or Embedded XP Tag: 78003
  - 24
    - How is WMI better I am trying to understand and use WMI for last two months. I am new to this. I am not able to convince myself why WMI is easier than directly talking to application or driver. Can someone give reference or examples that will justify this. Thanks Tag: Filter driver on Tablet PC or Embedded XP Tag: 77986
  - 25
    - Verifying Digital Signature Hi folks, I am trying to write a little tool in which I can verify digital signature of system files in c#. Of course SIGVERIF does the same thing but I can not use that for certain reasons. Any input will be appreciated. Thanks Ravelstein Tag: Filter driver on Tablet PC or Embedded XP Tag: 77984

I have a filter driver that sits above the UDF filesystem to interecept
reads. The filter is part of a secure video product.

Does anyone know if a filter driver will work on the Tablet PC and/or
Embedded XP OSes? Everything reads like they will work on these platforms.

How about Windows CE? Doesn't look like it will. Is there a similiar
mechanism on windows CE or will I have to re-engineer to figure out how I can
solve the problem?

Thanks in advance!
--
Still trying to build a perpetual motion machine

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Re: Filter driver on Tablet PC or Embedded XP by Maxim

Maxim
Mon Apr 10 14:28:46 CDT 2006

> Does anyone know if a filter driver will work on the Tablet PC and/or
> Embedded XP OSes? Everything reads like they will work on these platforms.

Yes. They are the same as XP.

> How about Windows CE?

No. It is completely other OS.

--
Maxim Shatskih, Windows DDK MVP
StorageCraft Corporation
maxim@storagecraft.com
http://www.storagecraft.com

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