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Copyright (c) Microsoft Corporation
Module Name:
FxUsbPipeAPI.cpp
Abstract:
Author:
Environment:
Both kernel and user mode
Revision History:
--*/
#include "fxusbpch.hpp"
extern "C" {#if defined(EVENT_TRACING)#include "FxUsbPipeAPI.tmh"#endif}
//// extern "C" the whole file since we are exporting the APIs by name//extern "C" {
__drv_maxIRQL(DISPATCH_LEVEL)VOIDWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeGetInformation)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __out PWDF_USB_PIPE_INFORMATION PipeInformation ){ DDI_ENTRY();
PFX_DRIVER_GLOBALS pFxDriverGlobals; FxUsbPipe* pUsbPipe;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
FxPointerNotNull(pFxDriverGlobals, PipeInformation);
pUsbPipe->GetInformation(PipeInformation);}
__drv_maxIRQL(DISPATCH_LEVEL)BOOLEANWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeIsInEndpoint)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe ){ DDI_ENTRY();
FxUsbPipe* pUsbPipe;
FxObjectHandleGetPtr(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe);
return pUsbPipe->IsInEndpoint();}
__drv_maxIRQL(DISPATCH_LEVEL)BOOLEANWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeIsOutEndpoint)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe ){ DDI_ENTRY();
FxUsbPipe* pUsbPipe;
FxObjectHandleGetPtr(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe);
return pUsbPipe->IsOutEndpoint();}
__drv_maxIRQL(DISPATCH_LEVEL)WDF_USB_PIPE_TYPEWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeGetType)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe ){ DDI_ENTRY();
FxUsbPipe* pUsbPipe;
FxObjectHandleGetPtr(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe);
return pUsbPipe->GetType();}
__drv_maxIRQL(DISPATCH_LEVEL)VOIDWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeSetNoMaximumPacketSizeCheck)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe ){ DDI_ENTRY();
PFX_DRIVER_GLOBALS pFxDriverGlobals; FxUsbPipe* pUsbPipe;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p", Pipe);
pUsbPipe->SetNoCheckPacketSize();}
_Must_inspect_result___drv_maxIRQL(PASSIVE_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeWriteSynchronously)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in_opt WDFREQUEST Request, __in_opt PWDF_REQUEST_SEND_OPTIONS RequestOptions, __in_opt PWDF_MEMORY_DESCRIPTOR MemoryDescriptor, __out_opt PULONG BytesWritten ){ DDI_ENTRY();
DoTraceLevelMessage( GetFxDriverGlobals(DriverGlobals), TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p", Pipe);
return FxUsbPipe::_SendTransfer(GetFxDriverGlobals(DriverGlobals), Pipe, Request, RequestOptions, MemoryDescriptor, BytesWritten, 0);}
_Must_inspect_result___drv_maxIRQL(DISPATCH_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeFormatRequestForWrite)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in WDFREQUEST Request, __in_opt WDFMEMORY WriteMemory, __in_opt PWDFMEMORY_OFFSET WriteOffsets ){ DDI_ENTRY();
DoTraceLevelMessage(GetFxDriverGlobals(DriverGlobals), TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p, WDFREQUEST %p, WDFMEMORY %p", Pipe, Request, WriteMemory);
return FxUsbPipe::_FormatTransfer(GetFxDriverGlobals(DriverGlobals), Pipe, Request, WriteMemory, WriteOffsets, 0);}
_Must_inspect_result___drv_maxIRQL(PASSIVE_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeReadSynchronously)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in_opt WDFREQUEST Request, __in_opt PWDF_REQUEST_SEND_OPTIONS RequestOptions, __in_opt PWDF_MEMORY_DESCRIPTOR MemoryDescriptor, __out_opt PULONG BytesRead ){ DDI_ENTRY();
DoTraceLevelMessage(GetFxDriverGlobals(DriverGlobals), TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p", Pipe);
return FxUsbPipe::_SendTransfer( GetFxDriverGlobals(DriverGlobals), Pipe, Request, RequestOptions, MemoryDescriptor, BytesRead, USBD_TRANSFER_DIRECTION_IN | USBD_SHORT_TRANSFER_OK );}
_Must_inspect_result___drv_maxIRQL(DISPATCH_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeFormatRequestForRead)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in WDFREQUEST Request, __in_opt WDFMEMORY ReadMemory, __in_opt PWDFMEMORY_OFFSET ReadOffsets ){ DDI_ENTRY();
DoTraceLevelMessage( GetFxDriverGlobals(DriverGlobals), TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p, WDFREQUEST %p, WDFMEMORY %p", Pipe, Request, ReadMemory);
return FxUsbPipe::_FormatTransfer( GetFxDriverGlobals(DriverGlobals), Pipe, Request, ReadMemory, ReadOffsets, USBD_TRANSFER_DIRECTION_IN | USBD_SHORT_TRANSFER_OK );}
_Must_inspect_result___drv_maxIRQL(DISPATCH_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeConfigContinuousReader)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in PWDF_USB_CONTINUOUS_READER_CONFIG Config ){ DDI_ENTRY();
PFX_DRIVER_GLOBALS pFxDriverGlobals; FxUsbPipe* pUsbPipe; NTSTATUS status; size_t total;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
FxPointerNotNull(pFxDriverGlobals, Config);
if (Config->Size != sizeof(WDF_USB_CONTINUOUS_READER_CONFIG)) { status = STATUS_INFO_LENGTH_MISMATCH;
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "Config %p incorrect size %d, expected %d %!STATUS!", Config, Config->Size, sizeof(WDF_USB_CONTINUOUS_READER_CONFIG), status);
return status; }
if (Config->EvtUsbTargetPipeReadComplete == NULL) { status = STATUS_INVALID_PARAMETER; DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "NULL EvtUsbTargetPipeReadComplete not allowed %!STATUS!", status); return status; }
if (Config->TransferLength == 0) { status = STATUS_INVALID_PARAMETER; DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "TransferLength of 0 not allowed %!STATUS!", status); return status; }
status = RtlSizeTAdd(Config->HeaderLength, Config->TransferLength, &total);
if (!NT_SUCCESS(status)) { DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "HeaderLength + TransferLength overflow %!STATUS!", status); return status; }
status = RtlSizeTAdd(total, Config->TrailerLength, &total);
if (!NT_SUCCESS(status)) { DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "HeaderLength + TransferLength + TrailerLength overflow %!STATUS!", status); return status; }
// // Internally WDF will assign a parent to the memory, so do not allow the driver // to do so. // status = FxValidateObjectAttributes(pFxDriverGlobals, Config->BufferAttributes, FX_VALIDATE_OPTION_PARENT_NOT_ALLOWED); if (!NT_SUCCESS(status)) { return status; }
// // Only bulk or interrrupt is allowed for a continous reader // if ((pUsbPipe->IsType(WdfUsbPipeTypeBulk) || pUsbPipe->IsType(WdfUsbPipeTypeInterrupt)) == FALSE) { status = STATUS_INVALID_DEVICE_REQUEST;
DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "WDFUSBPIPE %p type %!WDF_USB_PIPE_TYPE!, only bulk or interrupt " "pipes can be configured for continous readers, %!STATUS!", Pipe, pUsbPipe->GetType(), status);
return status; }
if (pUsbPipe->IsOutEndpoint()) { status = STATUS_INVALID_DEVICE_REQUEST;
DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "WDFUSBPIPE %p, wrong direction for continuous reader, %!STATUS!", Pipe, status);
return status; }
status = pUsbPipe->ValidateTransferLength(Config->TransferLength); if (!NT_SUCCESS(status)) { DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "TransferLength %I64d not a valid transer length (not integral of max " "packet size %d) %!STATUS!", Config->TransferLength, pUsbPipe->GetMaxPacketSize(), status); return status; }
status = pUsbPipe->InitContinuousReader(Config, total);
return status;}
_Must_inspect_result___drv_maxIRQL(PASSIVE_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeAbortSynchronously)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in_opt WDFREQUEST Request, __in_opt PWDF_REQUEST_SEND_OPTIONS RequestOptions ){ DDI_ENTRY();
PFX_DRIVER_GLOBALS pFxDriverGlobals; FxUsbPipe* pUsbPipe; NTSTATUS status;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
FxUsbPipeRequestContext context(FxUrbTypeLegacy);
FxSyncRequest request(pFxDriverGlobals, &context, Request);
// // FxSyncRequest always succeesds for KM but can fail for UM. // status = request.Initialize(); if (!NT_SUCCESS(status)) { DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "Failed to initialize FxSyncRequest"); return status; }
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "Pipe %p", Pipe);
status = FxVerifierCheckIrqlLevel(pFxDriverGlobals, PASSIVE_LEVEL); if (!NT_SUCCESS(status)) { return status; }
status = FxValidateRequestOptions(pFxDriverGlobals, RequestOptions); if (!NT_SUCCESS(status)) { DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "Invalid request options"); return status; }
status = pUsbPipe->FormatAbortRequest(request.m_TrueRequest); if (NT_SUCCESS(status)) { DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p, WDFREQUEST %p being submitted", Pipe, request.m_TrueRequest->GetTraceObjectHandle());
status = pUsbPipe->SubmitSync(request.m_TrueRequest, RequestOptions); }
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p, %!STATUS!", Pipe, status);
return status;}
_Must_inspect_result___drv_maxIRQL(DISPATCH_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeFormatRequestForAbort)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in WDFREQUEST Request ){ DDI_ENTRY();
PFX_DRIVER_GLOBALS pFxDriverGlobals; FxRequest* pRequest; FxUsbPipe* pUsbPipe; NTSTATUS status;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "Pipe %p, Request %p", Pipe, Request);
FxObjectHandleGetPtr(pFxDriverGlobals, Request, FX_TYPE_REQUEST, (PVOID*) &pRequest);
status = pUsbPipe->FormatAbortRequest(pRequest);
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "Pipe %p, Request %p, status %!STATUS!", Pipe, Request, status);
return status;}
_Must_inspect_result___drv_maxIRQL(PASSIVE_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeResetSynchronously)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in_opt WDFREQUEST Request, __in_opt PWDF_REQUEST_SEND_OPTIONS RequestOptions ){ DDI_ENTRY();
PFX_DRIVER_GLOBALS pFxDriverGlobals; FxUsbPipe* pUsbPipe; NTSTATUS status;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
FxUsbPipeRequestContext context(FxUrbTypeLegacy);
FxSyncRequest request(pFxDriverGlobals, &context, Request);
// // FxSyncRequest always succeesds for KM but can fail for UM. // status = request.Initialize(); if (!NT_SUCCESS(status)) { DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "Failed to initialize FxSyncRequest"); return status; }
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p reset", Pipe);
status = FxVerifierCheckIrqlLevel(pFxDriverGlobals, PASSIVE_LEVEL); if (!NT_SUCCESS(status)) { return status; }
status = FxValidateRequestOptions(pFxDriverGlobals, RequestOptions); if (!NT_SUCCESS(status)) { DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "Invalid request options"); return status; }
status = pUsbPipe->FormatResetRequest(request.m_TrueRequest);
if (NT_SUCCESS(status)) { DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p, WDFREQUEST %p being submitted", Pipe, request.m_TrueRequest->GetTraceObjectHandle());
pUsbPipe->CancelSentIo();
// // Even if the previous state of the target was stopped let this IO go through by // ignoring target state. // status = pUsbPipe->SubmitSyncRequestIgnoreTargetState(request.m_TrueRequest, RequestOptions); }
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p reset, %!STATUS!", Pipe, status);
return status;}
_Must_inspect_result___drv_maxIRQL(DISPATCH_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeFormatRequestForReset)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in WDFREQUEST Request ){ DDI_ENTRY();
PFX_DRIVER_GLOBALS pFxDriverGlobals; FxRequest* pRequest; FxUsbPipe* pUsbPipe; NTSTATUS status;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "Pipe %p, Request %p", Pipe, Request);
FxObjectHandleGetPtr(pFxDriverGlobals, Request, FX_TYPE_REQUEST, (PVOID*) &pRequest);
status = pUsbPipe->FormatResetRequest(pRequest);
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "Pipe %p, Request %p = 0x%x", Pipe, Request, status);
return status;}
_Must_inspect_result___drv_maxIRQL(PASSIVE_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeSendUrbSynchronously)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in_opt WDFREQUEST Request, __in_opt PWDF_REQUEST_SEND_OPTIONS RequestOptions, __in_xcount("union bug in SAL") PURB Urb ){ DDI_ENTRY();
FxRequestBuffer buf; PFX_DRIVER_GLOBALS pFxDriverGlobals; FxUsbPipe* pUsbPipe; NTSTATUS status;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
FxUsbUrbContext context; FxSyncRequest request(pFxDriverGlobals, &context, Request);
// // FxSyncRequest always succeesds for KM but can fail for UM. // status = request.Initialize(); if (!NT_SUCCESS(status)) { DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "Failed to initialize FxSyncRequest"); return status; }
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p, Urb %p", Pipe, Urb);
FxPointerNotNull(pFxDriverGlobals, Urb);
status = FxVerifierCheckIrqlLevel(pFxDriverGlobals, PASSIVE_LEVEL); if (!NT_SUCCESS(status)) { return status; }
status = FxValidateRequestOptions(pFxDriverGlobals, RequestOptions); if (!NT_SUCCESS(status)) { return status; }
buf.SetBuffer(Urb, 0);
status = FxFormatUrbRequest(pFxDriverGlobals, pUsbPipe, request.m_TrueRequest, &buf, pUsbPipe->GetUrbType(), pUsbPipe->GetUSBDHandle());
if (NT_SUCCESS(status)) { DoTraceLevelMessage( pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p, WDFREQUEST %p being submitted", Pipe, request.m_TrueRequest->GetTraceObjectHandle());
status = pUsbPipe->SubmitSync(request.m_TrueRequest, RequestOptions); }
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "WDFUSBPIPE %p, Urb %p, %!STATUS!", Pipe, Urb, status);
return status;}
_Must_inspect_result___drv_maxIRQL(DISPATCH_LEVEL)NTSTATUSWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeFormatRequestForUrb)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE Pipe, __in WDFREQUEST Request, __in WDFMEMORY UrbMemory, __in_opt PWDFMEMORY_OFFSET UrbOffsets ){ DDI_ENTRY();
PFX_DRIVER_GLOBALS pFxDriverGlobals; IFxMemory* pMemory; FxUsbPipe* pUsbPipe; FxRequest* pRequest; FxRequestBuffer buf; NTSTATUS status; size_t bufferSize;
FxObjectHandleGetPtrAndGlobals(GetFxDriverGlobals(DriverGlobals), Pipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe, &pFxDriverGlobals);
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "Pipe %p, Request %p, Memory %p", Pipe, Request, UrbMemory);
FxObjectHandleGetPtr(pFxDriverGlobals, UrbMemory, IFX_TYPE_MEMORY, (PVOID*) &pMemory);
FxObjectHandleGetPtr(pFxDriverGlobals, Request, FX_TYPE_REQUEST, (PVOID*) &pRequest);
status = pMemory->ValidateMemoryOffsets(UrbOffsets); if (!NT_SUCCESS(status)) { return status; }
bufferSize = pMemory->GetBufferSize(); if (UrbOffsets != NULL && UrbOffsets->BufferOffset > 0) { bufferSize -= UrbOffsets->BufferOffset; }
if (bufferSize < sizeof(_URB_HEADER)) { status = STATUS_INVALID_PARAMETER; DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGIOTARGET, "UrbMemory %p buffer size, %I64d, smaller then " "_URB_HEADER, %!STATUS!", UrbMemory, pMemory->GetBufferSize(), status); return status; }
buf.SetMemory(pMemory, UrbOffsets);
status = FxFormatUrbRequest(pFxDriverGlobals, pUsbPipe, pRequest, &buf, pUsbPipe->GetUrbType(), pUsbPipe->GetUSBDHandle());
if (NT_SUCCESS(status)) { FxUsbUrbContext* pContext; pContext = (FxUsbUrbContext*) pRequest->GetContext();
pContext->SetUsbType(WdfUsbRequestTypePipeUrb); pContext->m_UsbParameters.Parameters.PipeUrb.Buffer = UrbMemory; }
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGIOTARGET, "Pipe %p, Request %p, Memory %p, status %!STATUS!", Pipe, Request, UrbMemory, status);
return status;}
__drv_maxIRQL(DISPATCH_LEVEL)USBD_PIPE_HANDLEWDFAPINTAPIWDFEXPORT(WdfUsbTargetPipeWdmGetPipeHandle)( __in PWDF_DRIVER_GLOBALS DriverGlobals, __in WDFUSBPIPE UsbPipe )/*++
Routine Description: Returns the underlying WDM USBD pipe handle
Arguments: UsbPipe - the WDF pipe whose WDM handle will be returned
Return Value: valid handle value or NULL on error
--*/{ DDI_ENTRY();
FxUsbPipe* pUsbPipe;
FxObjectHandleGetPtr(GetFxDriverGlobals(DriverGlobals), UsbPipe, FX_TYPE_IO_TARGET_USB_PIPE, (PVOID*) &pUsbPipe);
return pUsbPipe->WdmGetPipeHandle();}
} // extern "C"