standard device requests and winusb

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  - 1
    - how to disable USB disk cache I am trying to validate the SCSI commands in our USB drive product, and use file copy back and forth to create more traffic. However, I noticed the SCSI read command is passed down to USB device only the first time read. I think there must be some disk cache enabled. but I already set the disk policy as "Optimize for quick removal", which, I believe, is supposed to disable the disk cache. Anyone has idea how to set up the system to allow me to see every read in device ? -Gary Tag: standard device requests and winusb Tag: 94032
  - 2
    - Network Configuration Interface Greetings, I am trying to learn how to configure network using INetCfg APIs. I need to understand how to install the actual adapter and associate TCP/ IP protocol with it. I would like to know exact order of steps needed to configure network. According to MSDN documentation, a network configuration object is created using CoCreateInstance function which is followed my enumerating interfaces and so on. I do not understand the full mechanics of INetCfg APIs. I will appreciate help toward making me understand/learn. Thanks Tag: standard device requests and winusb Tag: 94024
  - 3
    - handling parallel port interrupts Hello, I've got a question about timing incoming IR signals and decoding them in Windows. Here's my story. I've built a device which detects IR signals at 38KhZ and sends interrupts to the parallel port. Then I created (well, I didn't write it entirely, but I edited one I found on the internet) a driver to catch those interrupts and I created a usermode program to interact with the driver. So far so good, everything seemed to work fine. I receive interrupts when I press a button on my remote control or when I just connect a wire between pin 2-9 and 10 of the parallel port. But there's also a problem. For some reason, I receive way too few interrupts when I press a button on my remote control, and the time between the interrupts always is nearly identical. My only guess is that for some reason processing an interrupt hasn't finished yet when the next interrupt arrives and that therefore that interrupt doesn't get handled. That should also explain why the time between logged interrupts is nearly identical; it always takes the same time to complete one interrupt and after that it can handle another. But I don't get why handling the interrupt would take that long. My pc should be fast enough to handle it. Here's my isr and dpc routine and after that the part in DriverEntry where I connect the interrupt to my driver. When an interrupt occurs, first the isr gets called and then the dpcroutine. I hope any of you have an idea why it doesn't handle all interrupts or what the problem is and how it can be fixed. Thanks in advance, Floris van Nee BOOLEAN hwinterfaceIsr(IN PKINTERRUPT Interrupt, IN OUT PVOID Context) { PDEVICE_OBJECT DeviceObject = Context; //KdPrint( ("hwinterface.sys: Interrupt Service Routine\n") ); /* We should check if the interrupt comes from us and return */ IoRequestDpc(DeviceObject, DeviceObject->CurrentIrp, NULL); return TRUE; } VOID hwinterfaceDpcRoutine(IN PKDPC Dpc, PDEVICE_OBJECT DeviceObject, IN PIRP Irp, IN PVOID Context) { PLOCAL_DEVICE_INFO DeviceExtension; PIRP pIrp; pIrp = DeviceObject->CurrentIrp; DeviceExtension = DeviceObject->DeviceExtension; //Get the current 'time' and print it to kernel debug KeQueryTickCount((PLARGE_INTEGER)&TickCount); KdPrint(("Interrupt: %d", TickCount)); return; } DeviceExtension = DeviceObject->DeviceExtension; DeviceExtension->Level = 7; DeviceExtension->Vector = DeviceExtension->Level; MappedVector = HalGetInterruptVector(Isa, 0, DeviceExtension->Level, DeviceExtension->Vector, &Irql, &DeviceExtension->Affinity); if (MappedVector == 0) DbgPrint("hwinterface.sys: HalGetInterruptVector failed\n"); IoInitializeDpcRequest(DeviceObject,hwinterfaceDpcRoutine); KdPrint(("%d", &DeviceExtension->InterruptObject)); status = IoConnectInterrupt(&DeviceExtension->InterruptObject, // InterruptObject hwinterfaceIsr, // ServiceRoutine DeviceObject, // ServiceContext NULL, // SpinLock MappedVector, // Vector Irql, // Irql Irql, // SynchronizeIrql Latched, // InterruptMode FALSE, // ShareVector DeviceExtension->Affinity, // ProcessorEnableMask FALSE); // FloatingSave if (!NT_SUCCESS (status)) DbgPrint("hwinterface.sys: IoConnectInterrupt Failed\n"); Tag: standard device requests and winusb Tag: 94023
  - 4
    - Mailslot and Drivers hi all! i need a little help, i'm trying to communicate with a mailslot created in user mode, but when i try to open the mail slot with ZwOpenFile it fails with 0xC0000043 that means STATUS_SHARING_VIOLATION .... This is the code: //----------------------- ret = ZwOpenFile( &hand, GENERIC_WRITE, &oa, &iosb, 0, FILE_NON_DIRECTORY_FILE); //----------------------- are the flags used right? can someone help me please? ^_^ Thank you anyway and sorry 4 my english :) Tag: standard device requests and winusb Tag: 94020
  - 5
    - About Windows Filtering Platform - Callout Modules API - Kernel Mo Hi all, I am very much new to Windows Filtering Platform and Kernel level Programming.I want to try out Packet Modification feature that is a part of the Callout Module API in WFP . Can I get any sample code for this Callout Module API .And Also want to know is there any structured way of learning this kind of kernel level program. And also want to initiate certain discussion about this WFP ? Some docs related to this WFP convey me that I need to write a driver or hook that will listen for the incoming packets of the NIC and then modify the packet.Can anyone confirm me that whether packet modification is really possible in WFP and If so please provide me with some guidelines.They also say it is alternate for the NDIS Mini port driver developments .? Tag: standard device requests and winusb Tag: 94011
  - 6
    - Regarding createfile Hi All I want to set some permission like(Read only or Read/Write) on USB, CD and i am using createfile. But i am not able to set this kind of permission can i have any clue. with regards RYK Tag: standard device requests and winusb Tag: 94007
  - 7
    - Wrestling with Windows Filtering Platform Is the use of the family "Packet Injection Functions" mandatory for mechanism "Pend-Complete" without modification packet data? Tag: standard device requests and winusb Tag: 94006
  - 8
    - Request delegation in WDF? Hi all, I am still wondering how on earth should the, what the book "Programming the Microsoft Windows Driver Model" calls, delegate action, be handled in WDF for a bus driver? It seems very easy if you read the documentation; just take the request, call WdfDeviceGetIoTarget() on the device that wants to forward the request, send the request and that's about it. But as we learned yesterday it doesn't work. WdfRequestSend() fails every time although we verified that the target is working fine and can receive ioctls created with WdfIoTargetSendInternalIoctlSynchronously(). The same result even if we called WdfRequestFormatRequestUsingCurrentType() before the send command. So it has to do something with the Request object? We tried to create a new request with WdfRequestCreateFromIrp() by taking the original IRP with WdfRequestWdmGetIrp() but it doesn't seem to create a new IRP, instead just copying a pointer to the old one which causes a BSOD for exhausted stack. So finally we got something working by creating a new IRP and poking around with the stack location just as we would in WDM and creating a WDF Request from that IRP - but it seems very odd that we have to work on the WDM side even when we have this beautiful abstraction around it. Now we have a hybrid of WDM inside WDF and completing request correctly seems to be a nightmare - which still doesn't work... So is Request delegation possible in WDF and if so, how? Tag: standard device requests and winusb Tag: 94004
  - 9
    - No way to full-proof DeviceIoControl() ??? I am in the process of developing a WDM device driver which already handles pretty well several IOCTL codes when sent by a user-mode application, using DeviceIoControl(). Now I want to make sure that driver can handle any crazy input that an application programmer may throw at it. For that purpose I placed in the switch case for the pIoStackLocation- >Parameters.DeviceIoControl.IoControlCode a default case that all it does is this: default: { pIRP->IoStatus.Information = 0; ntStatus = STATUS_INVALID_DEVICE_REQUEST; pIRP->IoStatus.Status = ntStatus; IoCompleteRequest(pIRP, IO_NO_INCREMENT); return ntStatus; } This works great (i.e. returns an error with a suitable GetLastError() code) when I test it with an unrecognized IOCTL as follows: int dummy; if ( !DeviceIoControl(hWdm, IOCTL_UNRECOGNIZED, NULL, 0, // input &dummy, sizeof(dummy), // output &BytesReturned, NULL)) but when I pass the output paramter as NULL, too (see below), the system hangs (i.e. only a hard reset would get it out of that state): if ( !DeviceIoControl(hWdm, IOCTL_UNRECOGNIZED, NULL, 0, // input NULL, 0, // output &BytesReturned, NULL)) Notice, the only difference is "NULL, 0" vs. "&dummy, sizeof(dummy)" ... On the WinDbg side, all I can see is the following: Access violation - code c0000005 (!!! second chance !!!) *** ERROR: Symbol file could not be found. Defaulted to export symbols for ks.sys - ks!KsDispatchIrp+0x3b: f82b9f0d ff10 call dword ptr [eax] Which doesn't give me enough information about what's happening in the driver. So, for now, my workaround is to never pass a NULL output buffer pointer to DeviceIoControl() - but is it really impossible to protect a driver against something like this? I thought that (not) handling an unrecognized IOCTL is a no brainer (as described above in the 'default' case). What am I missing? Thanks, Don Tag: standard device requests and winusb Tag: 93993
  - 10
    - Portable Devices device class in Vista My USB MSD device resulted in an device "generic volume" under "Storage volumes" in XP Device Manager. But in Vista that instance does not show up, instead, an instance with my product name shows up under 'Portable Devices" device class in Vista. Can anyone tell me what does this change mean to the same USB drive ? -Gary Tag: standard device requests and winusb Tag: 93992
  - 11
    - DTM corrupts XP target with pnpdtest I'm seeing a problem where DTM seems to corrupt my Windows XP target when I run the PnP Driver Test. After DTM configures the target, it reboots and displays the following message: Windows could not start because the following file is missing or corrupt: system32\drivers\pnpfiltr.sys You can attempt to repair this file by starting Windows Setup using the original Setup CD-ROM. Select 'r' at the first screen to start repair. I have seen this on multiple systems. I'm using DTM from WDK 6000 with the main QFE applied. Tag: standard device requests and winusb Tag: 93986
  - 12
    - Get A WHQL for a non-device driver Hi, We have a Protocol driver that works on top of NDIS and below the our application. Can we get it WHQL if so how? Since there is no device connected directly to it lots of test fail in DTM test suite. Regards, Tag: standard device requests and winusb Tag: 93985
  - 13
    - ZwQueryInformationFile Returns Wrong File Size I am using ZwQueryInformationFile to obtain the size of a binary file that contains firmware. Problem is that 3 of the files return the correct size, however two files return a file size off-by-one (-1). So currently I am just doing a cheap hack. I use StandardInformation.EndOfFile.LowPart to obtain the file size in bytes. I really hope this problem is just something simple. Thanks! Tag: standard device requests and winusb Tag: 93984
  - 14
    - Signing Error: No Signature was present in subject Setup displays a dialog that informs the user that the authenticity of the driver cannot be verified, and it gives the user the option to cancel the installation of the driver. The system is an Enterprise x64 Server 2003 with SP2. I expected to not see the above message since I digitally signed my driver install files. My driver is a WDM PnP function driver. Since the INF file defines the StartType as SERVICE_DEMAND_START , I only need to digitally sign the cat file. I created the *.cdf file and included the INF and SYS file. I used MakeCat to generate the *.cat file. I am using a Verisign Class 3 certificate. I use signtool to digitally sign the cat file. I use signtool verify /pa /v NAME.cat to verify the cat file was signed. I see the Class 3 Primary Certificate linking to Verisign Class 3 certificate and then to my certificate. All looks official to me. When installing the driver on the target system (Server 2003 x64) I get the warning that the driver is not digitally signed. Here are a few lines from setupapi.txt #I087 Driver node not trusted, rank changed from 0x00002001 to 0x0000a001. #I023 Actual install section: [v6_00.ntamd64]. Rank: 0x0000a001. Driver date: 02/14/2007. Version: 4.25.0.0. #-124 Doing copy-only install of "PCI\VEN_19xx&DEV_4801&SUBSYS_010019xx&REV_00\4&156D0833&0&0018". #I443 No installed Authenticode(tm) catalogs matching catalog name "oem0.CAT" were found that validated file "c:\public\v6_00.inf" (key "v6_00.inf"). Error 1168: Element not found. #I443 No installed Authenticode(tm) catalogs matching catalog name "oem5.CAT" were found that validated file "c:\public\v6_00.inf" (key "v6_00.inf"). Error 1168: Element not found. #I439 Verifying file "c:\public\v6_00.inf" (key "v6_00.inf") against specific Authenticode(tm) catalog "c:\public\v6_00.cat" failed. Error 0x800b0100: No signature was present in the subject. #W366 An unsigned, incorrectly signed, or Authenticode(tm) signed file "c:\public\v6_00.inf" for driver "v6_00" will be installed (Policy=Warn, user said ok). Error 0x800b0100: No signature was present in the subject. Do you see what is missing? Does this indicate the Authenticode certificates are not found? Or that my cat file was not signed? Tag: standard device requests and winusb Tag: 93983
  - 15
    - Reading PCI Configuration Is there a way to read PCI Configuration data for a device from a user mode application with out making driver changes for Windows 2000/XP? Is there a function in Platform SDK that allows you to dump PCI Configuration data for a device? Shreyash B. Patel Tag: standard device requests and winusb Tag: 93979
  - 16
    - About ACPIEC.sys ACPIEC.sys I dont see any DDK help on this. How do we communicate to it, for embedded controller access ? thx kw Tag: standard device requests and winusb Tag: 93973
  - 17
    - How to install programmatically a WDM capture driver? Hello, I need a source code for install/uninstall a WDM Stream capture driver programmatically. Thank you Al Tag: standard device requests and winusb Tag: 93972
  - 18
    - Microsoft DVBT Network Provider Filter does not support two instances in same graph Hello All, As I have seen, looks like two instances of the "Microsoft DVBT Network Provider Filter" do not work properly. Any of you have observed the same behaviour and has found a workaround or something? The fact: I need to play two DVBT streams at the same time on a video card (dual dvbt capable). I create thus both DVBT oaths in ONE graph and run it with graphedit. I can see both rendered windows and work OK until I change the frequency in one of the DVBT providers, it won't work properly. Looks like the frequency property is internally shared with both instances and the last instance created owns the value. Am I wrong or this is a fact? THanks! Juanma, Hamburg. PS: Commment, both DVBT paths in separate graphs work OK. But I need to do it in one graph! Any idea what to do? -- jm.mico ------------------------------------------------------------------------ Posted via http://www.codecomments.com ------------------------------------------------------------------------ Tag: standard device requests and winusb Tag: 93970
  - 19
    - TraceWpp question. I am having a trouble in making a tmh file. I know how to use it in a source file but I wanted to try it with "TraceWpp.exe". So tried as below and the result was >TraceWpp >ample.c -km -dll -ctl:c23a0c5a-d307-4f0e-ae8e-b2A355AD5DAB -func:KdPrint((MSG,...)) > -gen:{km-WdfDefault.tpl}*.tmh Result>1>cl wpp 1>wpp : error : (FindFileOnPath)File defaultwpp.ini not found So I copied it from \WINDDK\6000\bin\wppconfig\rev1 in the same folder and tried with other missing files such as defaultwpp.ini, header.tpl, km-WdfDefault.tpl and km-default.tpl and compilation was OK. After that when I compile the source file, then it shows me this. >sample.c(62) : error C4013: 'WPP_INIT_TRACING' undefined; assuming extern >returning int >sample.c(92) : error C4013: 'WPP_CLEANUP' undefined; assuming extern >returning int Is i the problem of path? or something else? Then why don't I have a same problem when I add this in the source file like SOURCES=sample.c RUN_WPP= $(SOURCES) \ -km \ -ctl:c23a0c5a-d307-4f0e-ae8e-b2A355AD5DAB \ -func:KdPrint((MSG,...)) \ -gen:{km-WdfDefault.tpl}*.tmh Thank you. Tag: standard device requests and winusb Tag: 93969
  - 20
    - driver crashing sysytem after driver unload Hi, My XP system is crashing after my driver is unloaded. I am testing my driver with driver verifier on all the time, so I guess I am not doing anything in my driver to crash the system. I am attaching log of the crash dump. I am not an expert at crash dump analysis. If anyone can guide me on how to troubleshoot this problem it would be great. Regds. Nitin 1: kd> !analyze -v ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* IRQL_NOT_LESS_OR_EQUAL (a) An attempt was made to access a pageable (or completely invalid) address at an interrupt request level (IRQL) that is too high. This is usually caused by drivers using improper addresses. If a kernel debugger is available get the stack backtrace. Arguments: Arg1: 00000140, memory referenced Arg2: 00000002, IRQL Arg3: 00000000, value 0 = read operation, 1 = write operation Arg4: 80529b6b, address which referenced memory Debugging Details: ------------------ READ_ADDRESS: 00000140 CURRENT_IRQL: 2 FAULTING_IP: nt!PsReturnProcessNonPagedPoolQuota+19 80529b6b 8bb040010000 mov esi,dword ptr [eax+140h] DEFAULT_BUCKET_ID: DRIVER_FAULT BUGCHECK_STR: 0xA PROCESS_NAME: ccProxy.exe IRP_ADDRESS: 86702f00 TRAP_FRAME: ec6b4b4c -- (.trap ffffffffec6b4b4c) ErrCode = 00000000 eax=00000000 ebx=86702f00 ecx=86047760 edx=00000000 esi=86047760 edi=ec6b4c13 eip=80529b6b esp=ec6b4bc0 ebp=ec6b4bd4 iopl=0 nv up ei pl nz ac po cy cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00010213 nt!PsReturnProcessNonPagedPoolQuota+0x19: 80529b6b 8bb040010000 mov esi,dword ptr [eax+140h] ds:0023:00000140=???????? Resetting default scope LAST_CONTROL_TRANSFER: from 80529b6b to 80543850 STACK_TEXT: ec6b4b4c 80529b6b badb0d00 00000000 00000000 nt!KiTrap0E+0x238 ec6b4bd4 8065d371 00000000 00000000 8628bda0 nt!PsReturnProcessNonPagedPoolQuota+0x19 ec6b4bf8 80656071 00000000 86702f00 ec6b4c5c nt!VerifierIoFreeIrp+0x109 ec6b4c08 804f4c49 86702f00 86702f40 8566f4b8 nt!IovFreeIrpPrivate+0x41 ec6b4c5c 804fec99 86702f40 ec6b4ca8 ec6b4c9c nt!IopCompleteRequest+0x319 ec6b4cac 80502c74 00000000 00000000 00000000 nt!KiDeliverApc+0xb3 ec6b4cc4 804fae50 00000000 ec6b4d1c 00000000 nt!KiSwapThread+0xa8 ec6b4cec 805befd0 00000001 00000006 ec6b4d01 nt!KeWaitForSingleObject+0x1c2 ec6b4d50 8054078c 000000e8 00000001 ec6b4d1c nt!NtWaitForSingleObject+0x9a ec6b4d50 7c90eb94 000000e8 00000001 ec6b4d1c nt!KiFastCallEntry+0xfc 00e6fb74 7c90e9c0 71a53ca5 000000e8 00000001 ntdll!KiFastSystemCallRet 00e6fb78 71a53ca5 000000e8 00000001 00e6fba0 ntdll!ZwWaitForSingleObject+0xc 00e6fbb4 71a55fa7 000000e8 000000e0 00000001 mswsock!SockWaitForSingleObject+0x3a 00e6fca8 71ab2e67 000000e1 00e6fd84 00000000 mswsock!WSPSelect+0x25f 00e6fcf8 00424dfa 000000e1 00e6fd84 00000000 WS2_32!select+0xb8 WARNING: Stack unwind information not available. Following frames may be wrong. 00e6ff5c 00424074 003452a8 003f4808 003f4488 ccProxy+0x24dfa 00e6ff80 7c00412f 003f3ee4 003452a8 000000f8 ccProxy+0x24074 00e6ffb4 7c80b683 003f4488 003452a8 000000f8 MSVCR70!_endthreadex+0xa0 00e6ffec 00000000 7c0040e2 003f4488 00000000 kernel32!BaseThreadStart+0x37 STACK_COMMAND: kb FOLLOWUP_IP: nt!PsReturnProcessNonPagedPoolQuota+19 80529b6b 8bb040010000 mov esi,dword ptr [eax+140h] SYMBOL_STACK_INDEX: 1 SYMBOL_NAME: nt!PsReturnProcessNonPagedPoolQuota+19 FOLLOWUP_NAME: MachineOwner MODULE_NAME: nt IMAGE_NAME: ntkrpamp.exe DEBUG_FLR_IMAGE_TIMESTAMP: 42b9fcda FAILURE_BUCKET_ID: 0xA_VRF_nt!PsReturnProcessNonPagedPoolQuota+19 BUCKET_ID: 0xA_VRF_nt!PsReturnProcessNonPagedPoolQuota+19 Followup: MachineOwner --------- 1: kd> kv ChildEBP RetAddr Args to Child ec6b4b4c 80529b6b badb0d00 00000000 00000000 nt!KiTrap0E+0x238 (FPO: [0,0] TrapFrame @ ec6b4b4c) ec6b4bd4 8065d371 00000000 00000000 8628bda0 nt!PsReturnProcessNonPagedPoolQuota+0x19 (FPO: [Non-Fpo]) ec6b4bf8 80656071 00000000 86702f00 ec6b4c5c nt!VerifierIoFreeIrp+0x109 (FPO: [Non-Fpo]) ec6b4c08 804f4c49 86702f00 86702f40 8566f4b8 nt!IovFreeIrpPrivate+0x41 (FPO: [Non-Fpo]) ec6b4c5c 804fec99 86702f40 ec6b4ca8 ec6b4c9c nt!IopCompleteRequest+0x319 (FPO: [Non-Fpo]) ec6b4cac 80502c74 00000000 00000000 00000000 nt!KiDeliverApc+0xb3 (FPO: [Non-Fpo]) ec6b4cc4 804fae50 00000000 ec6b4d1c 00000000 nt!KiSwapThread+0xa8 (FPO: [0,0,0]) ec6b4cec 805befd0 00000001 00000006 ec6b4d01 nt!KeWaitForSingleObject+0x1c2 (FPO: [Non-Fpo]) ec6b4d50 8054078c 000000e8 00000001 ec6b4d1c nt!NtWaitForSingleObject+0x9a (FPO: [Non-Fpo]) ec6b4d50 7c90eb94 000000e8 00000001 ec6b4d1c nt!KiFastCallEntry+0xfc (FPO: [0,0] TrapFrame @ ec6b4d64) 00e6fb74 7c90e9c0 71a53ca5 000000e8 00000001 ntdll!KiFastSystemCallRet (FPO: [0,0,0]) 00e6fb78 71a53ca5 000000e8 00000001 00e6fba0 ntdll!ZwWaitForSingleObject+0xc (FPO: [3,0,0]) 00e6fbb4 71a55fa7 000000e8 000000e0 00000001 mswsock!SockWaitForSingleObject+0x3a (FPO: [Non-Fpo]) 00e6fca8 71ab2e67 000000e1 00e6fd84 00000000 mswsock!WSPSelect+0x25f (FPO: [Non-Fpo]) 00e6fcf8 00424dfa 000000e1 00e6fd84 00000000 WS2_32!select+0xb8 (FPO: [Non-Fpo]) WARNING: Stack unwind information not available. Following frames may be wrong. 00e6ff5c 00424074 003452a8 003f4808 003f4488 ccProxy+0x24dfa 00e6ff80 7c00412f 003f3ee4 003452a8 000000f8 ccProxy+0x24074 00e6ffb4 7c80b683 003f4488 003452a8 000000f8 MSVCR70!_endthreadex+0xa0 (FPO: [Non-Fpo]) 00e6ffec 00000000 7c0040e2 003f4488 00000000 kernel32!BaseThreadStart+0x37 (FPO: [Non-Fpo]) 1: kd> kb ChildEBP RetAddr Args to Child ec6b4b4c 80529b6b badb0d00 00000000 00000000 nt!KiTrap0E+0x238 ec6b4bd4 8065d371 00000000 00000000 8628bda0 nt!PsReturnProcessNonPagedPoolQuota+0x19 ec6b4bf8 80656071 00000000 86702f00 ec6b4c5c nt!VerifierIoFreeIrp+0x109 ec6b4c08 804f4c49 86702f00 86702f40 8566f4b8 nt!IovFreeIrpPrivate+0x41 ec6b4c5c 804fec99 86702f40 ec6b4ca8 ec6b4c9c nt!IopCompleteRequest+0x319 ec6b4cac 80502c74 00000000 00000000 00000000 nt!KiDeliverApc+0xb3 ec6b4cc4 804fae50 00000000 ec6b4d1c 00000000 nt!KiSwapThread+0xa8 ec6b4cec 805befd0 00000001 00000006 ec6b4d01 nt!KeWaitForSingleObject+0x1c2 ec6b4d50 8054078c 000000e8 00000001 ec6b4d1c nt!NtWaitForSingleObject+0x9a ec6b4d50 7c90eb94 000000e8 00000001 ec6b4d1c nt!KiFastCallEntry+0xfc 00e6fb74 7c90e9c0 71a53ca5 000000e8 00000001 ntdll!KiFastSystemCallRet 00e6fb78 71a53ca5 000000e8 00000001 00e6fba0 ntdll!ZwWaitForSingleObject+0xc 00e6fbb4 71a55fa7 000000e8 000000e0 00000001 mswsock!SockWaitForSingleObject+0x3a 00e6fca8 71ab2e67 000000e1 00e6fd84 00000000 mswsock!WSPSelect+0x25f 00e6fcf8 00424dfa 000000e1 00e6fd84 00000000 WS2_32!select+0xb8 WARNING: Stack unwind information not available. Following frames may be wrong. 00e6ff5c 00424074 003452a8 003f4808 003f4488 ccProxy+0x24dfa 00e6ff80 7c00412f 003f3ee4 003452a8 000000f8 ccProxy+0x24074 00e6ffb4 7c80b683 003f4488 003452a8 000000f8 MSVCR70!_endthreadex+0xa0 Tag: standard device requests and winusb Tag: 93967
  - 21
    - Training recommendations and advice? Hi, I was wondering if anyone might be able to suggest a good range of topics and areas one would need to study/train in to become a sucessful writer of device drivers (ideally for Windows Vista). I've been asked to arrange some training for some of our developers (guys with a good understanding of OO languages and general windows app development). What areas would they need to fully understand and cover before being able to write windows device drivers? (of course I realise in the short term it makes sense to hire people who have these skills but long term I would like to get some of our existing guys trained up). Hope the above makes some semblance of sense... thanks in advance for any advice. Tag: standard device requests and winusb Tag: 93965
  - 22
    - Mirror driver load with UAC Hello, in order to activate a video mirror driver, one has to set "attach.todesktop" key to 1. However, this key is placed under HKLM branch which is usually locked by UAC policy. How can this be overcome? Tag: standard device requests and winusb Tag: 93963
  - 23
    - KMDF: Setting DEVICE_CAPABILITY.D3Latency for PCI-Device I'm porting an old driver to KMDF. I have to port a handler, which catches IRP_MN_QUERY_CAPABILITIES and sets "D3Latency" in the DEVICE_CAPABILITY structure. Can you provide an example how to do this? I found nothing in the WDF documentation/examples. Thanks, J. Hoppe Tag: standard device requests and winusb Tag: 93958
  - 24
    - What would NULLIFY pIoStackLocation->FileObject->FileName.Buffer ??? In a WDM miniport audio driver, I am trying to handle custom IOCTL by registering a customer interface (using IoRegisterDeviceInterface), enumerating it via SetupDiXXX functions in user mode and using CreateFile to open it. Registration and enumeration all goes well (I verified this via WinDbg, registry and WinObj). However, CreateFile() fails with error code 2 (ERROR_FILE_NOT_FOUND). When examining the custom CreateHandler that intercepts the IRP_MJ_CREATE call, I was surprised to find out that pIoStackLocation- >FileObject->FileName.Buffer is NULL. Why? What would make it NULL? I thought that it should contain PSP_INTERFACE_DEVICE_DETAIL_DATA's DevicePath that was passed to CreateFile as the first parameter and contained fully valid (and verified) symbolic link name: "\\?\root#media#0000#{GUID-generated-by-GuidGen}" Any clue to how to even start debugging something like this? Thanks, Don Tag: standard device requests and winusb Tag: 93956
  - 25
    - Is there really a bug in USBAUDIO.SYS? In Vista, I found that the value of "NumberOfPackets" at USBD_TRANSFER_DIRECTION_IN is constant regardless how you was changing the frequency sampling rates. Is this really a bug in Vista because it works fine in XP SP2? Anyway, I also found following link about same question asked, http://www.usb.org/phpbb/viewtopic.php?t=12470&start=0&sid=16d57b781a92802130db567b7d52a24d but no one seems to answer him so far and I might think that this is "a new feature" in Vista. :-) Thank you Tag: standard device requests and winusb Tag: 93955
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  - 1
    - Looking for qualified driver developer specializong in Sound Cards in NYC We are looking for a qualified Windows driver developer that has experience with sound card drivers. We already have driver developed and need help with troubleshooting some issues. This is a short-term project. You must be able to come to our NYC office but you don't have to do all the work here. Please email you resume to jb14496@yahoo.com EXTENSIVE EXPERIENCE DEVELOPING WINDOWS DRIVERS FOR SOUND CARDS IS REQUIRED. Tag: standard device requests and winusb Tag: 93954
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    - Problem with BDA capture driver Hello, I am writing a BDA driver for DVB-T card. For start I have taken a BDA DDK samples (capture and tuner) and modified them to suite my needs. To test how the capture filter works with the rest of the graph (Demux, decoders and renderers) I have made a small stub within capture filter. This stub reads 2 MB of data from the file, which contains dump of transport stream. Then, in the Process routine of output pin of capture filter, I use KsPinGetLeadingEdgeStreamPointer to get the pointer to the first available streaming frame, fill it (Leading->StreamHeader->Data) with data from the buffer, set Leading- >StreamHeader->DataUsed to the actual amount of copied data and unlock the pointer (KsStreamPointerUnlock(Leading, TRUE)). For testing purposes I have created a graph in GraphEdit: Network Provider -> Tuner->Capture->Demux->Audio/Video decoders->Audio/Video renderers. So far so good. The graph can be fully connected in graphedit and started. However it does not produce any audio or video. In the WinDBG I can trace that buffer in the stub is filled with correct data, I see that Process function of output pin is called, that state of the output pin is Run, but no video/audio is produced as a result of the running graph. Can someone help me with this problem? Can I check somehow that data from my capture filter is actually transferred to Demux filter? The functionality of tuner filter is completely stubbed at the moment - it returns OK on almost all requests. Can it be the source of my problems? Thanks in advance, Pavlo Tag: standard device requests and winusb Tag: 93953
  - 3
    - libusb and WHQL Hi, I need to WHQL the libusb driver (not in the filter mode). The hardware varies. Did someone do it before? I'll appreciate any pointers. Thanks, Guy Tag: standard device requests and winusb Tag: 93950
  - 4
    - Why Lowerfilter for "MEDIA" Class? Hello there! I found there is a lower filter installed on my computer after I installed a program for a webcam driver. The "Lowerfilter" is installed on following key name, HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E96C-E325-11CE-BFC1-08002BE10318} Anyone knows why they installed a lower filter there? My rough guess is they are trying to capture any audio data from this class, isn' it? If this is true, I just wonder how they did it cause I am also trying to develop similar technic to capture audio data from HDAUDIO. I need to perform some filtering on this data stream (yes, in kernel mode). Hope someone can help me out. Many thanks in advance. Best Regards, aze2cool Tag: standard device requests and winusb Tag: 93949
  - 5
    - PROTINSTALL - Does It Crash Or Not Hi All & Thomas (Devine), I thought I would resurrect this topic since I spent at least 8 hours trying to track down a bug related to it, and I did a search on the Internet and found nothing about it, and frankly, I am surprised that no one else has mentioned the problem. I decided to use PROTINSTALL from (http://www.ndis.com/papers/ ndisinstall/programinstall.htm) to install my NDIS protocol driver. Instead of building the application as is, I decided to integrate the source code into my own application. Thereafter there were many crashes during the InetCfg->Apply() method, which baffled me, because I checked each line of code carefully to make sure I was not doing anything wrong. I read perhaps 30% of Setup API documentation until I realized that that was unnecessary, that the problem must be with my code, or global variable in Setup DLL being trampled, etc. I used BindView, and it did not crash. I compiled a virgin PROTINSTALL and got a few warnings during compilation, but it built, then it crashed too in InetCfg->Apply(). I labored at this until I found... DAMNIT...SETUPAPI.DLL generates spurious exceptions that are caught by the GUI message pump in BindView but otherwise not. So PROTINSTALL, which does not invoke InetCfg->Apply() through message pump chain will crash, as will my application, but not BindView. Thomas, were you aware of this? Note that Apply() is not the only SETUPAPI.DLL that generates exceptions. I counted at least 8 being generated during debug session. I was testing on Windows XP with all service packs to date. -Le Chaud Lapin- Tag: standard device requests and winusb Tag: 93948
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REALVIZ_ImageModeler_v4.0 REALVIZ_Stitcher_V4.0 REIUSA_STAAD_FOUNDATION_V2.0 REIUSA_Staad_Pro_V2005 Reiworld.Staad.Beam.v1.2 RemCom.XFDTD.Bio-Pro.v6.3.8.4 Research.Systems.ENVI.v4.2 Rhinoceros 3 sr4 + Flamingo 1.1 sr4 + Penguin+kg Robot Millennium v18 Rocscience Examine2D v6.05-Lz0 Rocscience.Dips.v5.103 Rocscience.Examine3D.v4.0994-Lz0 Rocscience.Phase2.v6.0-Lz0 Rocscience.RocData.v3.013-Lz0 Rocscience.RocFall.v4.039-Lz0 Rocscience.RocSupport.v3.002-Lz0 Rocscience.Slide.v5.014-Lz0 Rocscience.Swedge.v4.078 Rocscience.Unwedge.v3.005 Rocscience_Phase2_6014_full_cracked ROXAR_IRAP_RMS_V7.3 RTI_SCOPETOOLS_V4_0C_CP1_FOR_VXWORKS SACS.V5.2-MAGNiTUDE SAP2000 V10.01 Scan2Cad.v7.4.Cracked-ENGiNE ScanSoft.Omnipage.Pro.v15.0 Scansoft.PaperPort.Pro.v11.0.Multilanguage Scansoft.PDF.Create.v3.0 Schlumberger Pipesim 2003 v1.0 SCHLUMBERGER_PETREL_V2004-LND SCIA.ESA.Prima.Win.v3.60.Multilinguage.ISO SCIA_ESA_PT_V6.0.112-LND Scientific.Truegrid.v2.1.0_Win9xNT2K-DOD scisim visual flow 4.1 ShopFactory V6 Shredder 10 Siemens.Simatic.PDM.v6.0.SP2.Multilanguage Siemens.SIMATIC.S7.GRAPH.v5.3.SP2.Multilanguage Siemens.SIMATIC.S7.PLCSIM.v5.3.SP1.Multilanguage Siemens.SIMATIC.S7.SCL.v5.3.SP1.Multilanguage Siemens.SIMATIC.Step7.v5.4.SP1.MULTiLANGUAGE Siemens.SIMATIC.WinCC.Flexible.2005.MULTiLANGUAGE.ISO (2CD) SIGNLAB 7.0 FULL SIMSCI HEXTRAN 8.11 SIMSCI.PIPEPHASE.V9.0 SIMSCI_DYNSIM_V4.0 SIMSCI_PRO_II_V7.1 Sketchup 5.0 SOCET.SET.V5.2 SOFiSTiK.SOFiCAD.v16.4.WiN32 Softice 6 SoftIce Driver Suite 3.0.1 Sokkia Mapsuite Plus v3.0.0 Build 304 Structural Component Design Tools,For Design Process SolarWinds.Broadband.Engineers.Edition.Toolset.v8.2.Incl.Keymaker SolarWinds.Engineers.Edition.Toolset.v8.2.Incl.Keymaker SolarWinds2002 Engineers Edition v5.5 SOLID EDGE V18 5CD (The luxury strengthens the version) SolidCAM.2006.R10.SP9 XXXXXXXXXX 2007 SP0 4CD SPSS v.14 SPSS.AMOS.v6.0 SRAC.COSMOSFloWorks.v2005-AGAiN SRAC.COSMOSMotion.v2005 SRAC.COSMOSWorks.v2005-English-Working! Staad.Beam.v1.2 STAAD_FOUNDATION_V2.0 STAAD_PROFESSIONAL_v2005 Star-CD.v3.26 STARCD_V3.24-LND Strucad 9.2 StruCad v10.1 Sucosoft S40 Ver5.04 SuperPro.Designer.LT.v6.0 Surfaceworks Marine v4.0 SURFCAM.V2005.SP1 SYNOPSYS_STAR-HSPICE_V2004.09 Synplicity.Synplify.Pro.v8.61 SYSNOISE v5.6 Tanner T-Spice 6.02 Tanner.Ledit.8.3 Tanner.Ledit.pro.V10.0.with.lvs.V10.0 TECHNOLOGY_ESPRIT_V2006_ISO Tecplot.360.V11.01-RECOiL Tekla Xsteel Structures 12.0 TEKLA_STRUCTURES_V12.0 TEKSOFT.PROCAM.II.2006 TestDirector 8_0 Enterprise Ed SP2 Tina Pro v6.008 Toon Boom USAnimation Opus 6 Topsolid 2006 multilanguage TRACEPRO_V3.37F TransCAD_V4.5 TRICALC_6.2_ISO T-systems medina v7.4.4 ucam 6.23 UNIGRAPHICS NX 4.0 MULTILANGUAGE VectorWorks.12.01.PC.FRENCH.ISO VERO_VISI-SERIES_V13.1 Visual Studio 2005 Professional Edition 2CD VisualMill 5.0 SP9 Vxworks Windriver Tornado Ver2.2 For Xscale Wilcom-V9 Wildfire v3.0 (3CD) Wildform Flix pro 3.201 cracked WinOLS_1209_full+crack WINSIM.DESIGN.II.V9.31 WizeTrade 7.0.0.17 Wolfram.Research.Mathematica.v5.2.0 XFDTD v6.3.8.4 Xilinx.ISE.v82i-ZWTiSO-(3CD) Xilinx.PlanAhead.v8.2.2.Incl.Keymaker ZEMAX-EE 2005 Anything you need ,anything I try to get for you ,just contact me: lanndyn@hotmail.com -- tototo ------------------------------------------------------------------------ Posted via http://www.codecomments.com ------------------------------------------------------------------------ Tag: standard device requests and winusb Tag: 93946
  - 7
    - Network Adaptor Driver Hi I have a Twinhan DVB-P 878A network adaptor installed in my computer. My OS is Windows Vista Ultimat. My OS has not yet been able to find the proper driver fo my device through updating and I have not been able to find it through Internet either. I would be greatful if anyone could help me with this problem. Tag: standard device requests and winusb Tag: 93943
  - 8
    - MiniportISR and NdisMSynchronizeWithInterrupt question Hi guys, Quick question (I have killed about 4 hours of search on this already) - will NDIS serialize the execution of MiniportISR on SMP machine for the same adapter ? According to DDK docs, it will not - "although two instantiations of a MiniportISR function can execute concurrently in SMP machines" -- http://msdn2.microsoft.com/en-us/library/ms797244.aspx According to posts in this group, it will - "Yes, MiniportIsr for a particular miniport adapter does not get interrupted by another MiniportIsr for the same adapter. even on MP systems." -- http://groups.google.ca/group/microsoft.public.development.device.drivers/msg/e53230084fd76604 And another question -- I am getting what appears to be a deadlock trying to call NdisMSynchronizeWithInterrupt from within MiniportIsr. This is in an attempt to block other instances of MiniportIsr from executing while current execution flow updates some shared data. I know that a proper way of doing things is to disable the interrupt in ISR and re-enable it back in DPR, but my code is just a quick proof of concept based on existing sources; it's too much trouble to refactor it at the moment. I would greatly appreciate any feedback ... as it sucks to be stuck :) Thanks, Alex Tag: standard device requests and winusb Tag: 93938
  - 9
    - DeviceIoControl not working Hi all, I'm trying to code an application to query oids from my NDIS miniport driver. I'm using CreateFile to get a handle to my NIC, CreateFile(NDISUIO_DEVICE_NAME,0X00,0X00,NULL,OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL|FILE_FLAG_OVERLAPPED, (HANDLE)INVALID_HANDLE_VALUE); The value returned by GetLastError() after this call is 0, i.e. the call was a success. But when I use it with DeviceIoControl, it gives me ERROR_INVALID_PARAMETER. Any help is appreciated. Thanks, Shakti. Tag: standard device requests and winusb Tag: 93937
  - 10
    - Natalie Portman in anal action! [url]http://Natalie-Portman-anal-action.org/WindowsMediaPlayer.php?movie=148803[/url] -- Mopoterup25 ------------------------------------------------------------------------ Posted via http://www.codecomments.com ------------------------------------------------------------------------ Tag: standard device requests and winusb Tag: 93936
  - 11
    - cable driver needed Hey all, I Need to find driver for a cable COM > RJ45 any ideas, 98 OS , running on a compaq lte 5300 or firmware that works with a generic 16 bit pcmcia card wireless network card which includes WPA encryption support, took me bloody ages to find the card in the first place, so drivers are gonna be a nightmare it has wep but the network is currently wpa, and dont wanna change at the mo cheers andy ps if you could post a reply to my inbox andy_carver@hotmail.com that would be greatly appreciated thankyou Tag: standard device requests and winusb Tag: 93935
  - 12
    - Installing NetService How do I silient Install Network service? I am using SetupDiXXX functions with FileQueueCommitCallBack in DeviceInstallParam. The SetupDiCallClassInstaller(DIF_INSTALLFILES...) doen't popup copy progress dialog. But call to DIF_INSTALLDEVICE it always omit the flag NOFILECOPY flags and popup copy progrss dialog. I am able to select the driver for the device. Is it possible to hide the Copying Progrss dialog box for installing Network service driver. Tag: standard device requests and winusb Tag: 93928
  - 13
    - NDIS Miniport/Intermediate Driver Calling Each Other Hi! I've written an NDIS IM driver and a virtual miniport driver (based on the netvmini driver). I think what I'm proposing here will work, but I wanted to get feedback from other folks first. I want to have the virtual miniport driver call functions within the IM driver. Similarly, I'd like to be able to do the same thing with the IM driver calling functions within the virtual miniport driver. What I thought I could do is define a proprietary OID, which the IM driver can use to set its entry points to the virtual MP driver. Similarly, the IM driver can query the virtual MP driver's entry points through a query of another proprietary OID. As long as these entry points aren't pageable functions, this should be OK. Naturally, the IM driver would have to clear its entry point table whenever the virtial MP adapter is unbound. And, yes, I already have a proprietary OID I use in the IM driver to determine which bound adapter is the virtual MP adapter. Does anyone see any problems with this approach, or suggest something else? Thanks! Tag: standard device requests and winusb Tag: 93923
  - 14
    - Vista NDIS Miniport Enable/Disable Problems Hi! Has anyone else seen this? We have an NDIS Native 802.11 miniport driver for Vista on both 32- and 64-bit platforms. On 64-bit, we see a large delay during miniport initialization following subsequent enable/disable/re-enable passes, so that each miniport initialization takes longer than the previous one. At some point, the OS seems to freeze or response very slowly (e.g., the cursor takes forever to move following a mouse movement). We don't see this on 32-bit. Does anybody have an idea what could be causing this? Thanks! Tag: standard device requests and winusb Tag: 93921
  - 15
    - RNDIS does not send correct packet filter in first pnp I am developing a USB RNDIS device, conforming to Microsoft RNDIS spec. In XP host, in the very first PnP (a fresh RNDIS driver installed), the packet filter, sent by XP RNDIS driver in a RNDIS set message, is always 0. It is suppoesd to some non-zero values like direct, multicast, broadcast... However, the subsequent PnPs, the correct packet filter value is always be sent. Can any Microsoft expert duplicate this problem and shed any light ? -Gary Tag: standard device requests and winusb Tag: 93920
  - 16
    - Strange WdfInterruptWdmGetInterrupt behaviour I would expect that the pointer returned by WdfInterruptWdmGetInterrupt is the same (i.e. valid) no matter whether WdfInterruptWdmGetInterrupt is called from EvtDevicePrepareHardware, EvtDeviceReleaseHardware or from somewhere in between EvtDevicePrepareHardware and EvtDeviceReleaseHardware. However, sometimes this does not seem to be the case. The pointer seems to be changed somewhere in between EvtInterruptDisable and EvtInterruptEnable, when these functions are called during a D0->D3->D0 transition. Note that the values returned by WdfInterruptGetInfo do not seem to be affected. I call WdfInterruptWdmGetInterrupt from a new multifunction WDF driver as I am trying to use it with an existing WDM driver. Tested with Kernel Mode Driver Framework (verifier on) version 01.005.6000. Can somebody help please? Thank you! Marcel Tag: standard device requests and winusb Tag: 93915
  - 17
    - [VISTA] Driver blocked from loading: why? Hi, I have a small and simple device driver that doesn't monitor any hardware. It looks like the tracedrv sample from the WinDDK. This is a port from a Win32 device driver. The source code compiles for the amd64 target without any warning or error from the Windows Vista and Windows Server Longhorn x64 Free Build Environment. This driver is not installed but dynamically loaded from a service (32-bit). When the service tries to load this device driver, Vista "blocks it from loading due to an incompatibility with this system". Which incompatibility? It's an amd64 dual core system. The driver is not digitally signed for the moment but I have started Vista with the Disable Digital Signing Enforcement option. I'm clueless. Any idea? Thanks in advance. -- Patrick Philippot MainSoft Consulting Services www.mainsoft.fr Tag: standard device requests and winusb Tag: 93909
  - 18
    - assessing winusb potential My company manufactures a USB device that may attach to any USB port on the PC but only one such device is allowed per PC. Our device is currently driven by an HID kernel-mode driver in the W2k/XP platforms and basically performs read/write operations aside from the power/pnp functionality. If I am not mistaken, the WinUSB environment offers an attractive alternative for us in the Vista platform. Is this true or should we be looking at UMDF? If WinUSB is suitable, where may I download the winusb.sys and .dll files for testing on XP? Thanks dmm Tag: standard device requests and winusb Tag: 93904
  - 19
    - Debugging Vista? I would like to have the option to boot Vista to use serial debug interface, 1394 debug interface, or no debug interface. I was able to do this with multiple entries in the boot.ini under Windows 2000, Windows XP, and Server 2003, but is this possible with Vista? It looks like there is one {debugsettings} definition which defaults to serial and is changeable to 1394 which is globally inherited. Perhaps I'm missing it, bit I do not see how I can have a debugsettings with serial and 1394 configurations defined together on a system. Is it one or the other only? Can one not add any "settings" over and above the Microsoft defined ones and control where they are inherited, if so where is the documentation on how to do this? Tag: standard device requests and winusb Tag: 93901
  - 20
    - Strange printer driver problem Hi! By debugging I've found out that my driver gets these calls: DrvEnableDriver() DrvEnablePDEV() DrvCompletePDEV() DrvEnableSurface() After this my driver should get DrvStartDoc(), right? Instead I get DrvDisablePDEV(), but printing doesn't seem to fail... (strange) Any ideas? (please!) thanks alot! Tag: standard device requests and winusb Tag: 93898
  - 21
    - Getting the info if a USB mass storage is connected full-speed or From user mode of course and ideally matched to the drive letter. This is an interesting piece of information an application may need to create a ranking for prospective backup devices. Tag: standard device requests and winusb Tag: 93897
  - 22
    - Question on Windows Filtering Platform I wrote callout driver for implementing firewall functionality in my VPN product. I call FwpsPendOperation0( inMetaValues->completionHandle, & (dataPending->completionContext) ) in my callout function, which registered on FWPS_LAYER_ALE_AUTH_CONNECT_V4 layer. Then I call FwpsCompleteOperation0( dataPending->completionContext, 0 ) in my workitem routine and get BSOD. What wrong? May I use 0 as second parameter in FwpsCompleteOperation0? Or may be selected layer not support pending operation? Is MS guys exist here? Tag: standard device requests and winusb Tag: 93893
  - 23
    - Accessing configuration space of PCI-express bridge Hi, I've been searching a safe but fast method to access the configuration space of a PCI-e bridge/switch. We're building a device with multiple FPGA's behind and PCI-e bridge. To configure these FPGA's after power on, we need to send a byte stream (several Mbytes) to some of the bridge's I/O pins by writing one byte at a time to one of its extended configuration space registers. I've been looking at three ways to do this: 1. Writing directly to the PCI configuration space registers using WRITE_PORT_UCHAR(). This is the method suggested by the vendor of the bridge. This however is considered to be unsafe and, as far as I know, will not allow our driver to get thru the WHQL tests to get signed (the latter being an requirement as we are targetting 64-bit Vista). 2. Sending, from a driver or from a user mode application, IRP_MN_WRITE_CONFIG DeviceIoControls to the pci driver. This method will probably be slow as we'll face the overhead from an I/O operation for each byte that needs to be sent. 3. Getting a BUS_INTERFACE_STANDARD driver interface standard from the bridge device allowing us to have direct access to the functions that write data to the configuration space. This would be our preferred method since I believe it is safe as well as fast. Both methods 2 and 3 require some kind of handle to the bridge's device object. Thus far I did not find any method to get such handle. The bridge (which is owned by the pci.sys driver) does however not have a SymbolicName that I can use as input to IoGetDeviceObjectPointer(). It also does not export any device interface that I could query using the SetupDi functions in order to obtain a device information path that I can use as input to CreateFile(). As I am stuck here, I'm open to any idea ... Koen Tag: standard device requests and winusb Tag: 93890
  - 24
    - Getting file handle from FILE_OBJECT In my file filter driver i want to read some initial bytes of the file. I can call ZwCreateFile and then ZwReadFile to do so. But when the file is opened by another user with exclusive lock then ZwCreateFile fails with STATUS_SHARING_VIOLATION error. 1. Is there a way to get file handle from FILE_OBJECT so that i don't have to call create again? 2. How can i open the file to read even if it s locked for exclusive access? Thanks Tag: standard device requests and winusb Tag: 93870
  - 25
    - Data files location Where is the standard/conventional directory to place data files during installation? The drivers directory? How the driver knows the location? As I can see, a registry entry would need to be created during installation? Or is there any other way? (Parsing the imagePath key doesn't sound as a very good idea). What size is considered reasonable to embed in the driver instead of using a separate data file? Using a single driver file is much more convenient, but I don't like the idea of wasting kernel space, even pageable, that is needed only once. I cannot use the INIT data section because I need it once per device at StartDevice, not just once at driverEntry. Tag: standard device requests and winusb Tag: 93869

Given: my USB device attached and detected; WinUSB.sys installed and executing.

After obtaining my USB device handle (createfile), I can successfully
execute WinUSB_Initialize. I then call WinUsb_ControlTransfer and fetch the
status. Next I call WinUsb_ControlTransfer to set a feature
(<WINUSB_SETUP_PACKET> RequestType=0, Request=3, Value=1, Index=0, Length=0).
The call fails and the GetLastError string="A device attached to the system
is not functioning."

Note:
1. "Value=1" ==>> DEVICE_REMOTE_WAKEUP
2. This error also occurs when RequestType=1 or 2

Did I set a field incorrectly? Is the sequence of operations incorrect?

Thanks
dmm

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Re: standard device requests and winusb by Doron

Doron
Wed Apr 18 00:36:20 CDT 2007

you do not manually enable remote wake, the usb core does this for you.

d

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This posting is provided "AS IS" with no warranties, and confers no rights.

"dmm" <dmm@discussions.microsoft.com> wrote in message
news:6201A094-E82B-49DF-AE82-439E541ADC4D@microsoft.com...
> Given: my USB device attached and detected; WinUSB.sys installed and
> executing.
>
> After obtaining my USB device handle (createfile), I can successfully
> execute WinUSB_Initialize. I then call WinUsb_ControlTransfer and fetch
> the
> status. Next I call WinUsb_ControlTransfer to set a feature
> (<WINUSB_SETUP_PACKET> RequestType=0, Request=3, Value=1, Index=0,
> Length=0).
> The call fails and the GetLastError string="A device attached to the
> system
> is not functioning."
>
> Note:
> 1. "Value=1" ==>> DEVICE_REMOTE_WAKEUP
> 2. This error also occurs when RequestType=1 or 2
>
> Did I set a field incorrectly? Is the sequence of operations incorrect?
>
> Thanks
> dmm

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