!wudfext.wudfrequest
The !wudfext.wudfrequest extension displays information about an I/O request.
!wudfext.wudfrequest pWDFRequest
Parameters
pWDFRequest
Specifies the address of the WDFIoRequest interface to display information about. The !wudfext.wudfqueue extension command determines the address of WDFIoRequest.
DLL
Wudfext.dll
Additional Information
For more information, see User-Mode Driver Framework Debugging.
Remarks
The following is an example of the !wudfext.wudfrequest display:
kd> !wudfrequest 0x000fa530
CWdfIoRequest 0x000fa4b8
Type: WdfRequestRead
IWDFIoQueue: 0x000f3500
Completed: No
Canceled: No
UM IRP: 0x00429108 UniqueId: 0xf4 Kernel Irp: 0x0x936ef160
Type: WudfMsg_READ
ClientProcessId: 0x1248
Device Stack: 0x003be4e0
IoStatus
hrStatus: 0x0
Information: 0x0
Driver/Framework created IRP: No
Data Buffer: 0x00000000 / 0
IsFrom32BitProcess: Yes
CancelFlagSet: No
Cancel callback: 0x000fa534
Total number of stack locations: 2
CurrentStackLocation: 2 (StackLocation[ 1 ])
StackLocation[ 0 ]
UNINITIALIZED
> StackLocation[ 1 ]
IWDFRequest: ????
IWDFDevice: 0x000f2f80
IWDFFile: 0x00418cf0
Completion:
Callback: 0x00000000
Context: 0x00000000
Parameters: (RequestType: WdfRequestRead)
Buffer length: 0x400
Key: 0x00000000
Offset: 0x0
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