#include "fxsupportpch.hpp"

Include dependency graph for fxqueryinterfaceapi.cpp:

Functions
_Must_inspect_result_	__drv_maxIRQL (PASSIVE_LEVEL) NTSTATUS STDCALL WDFEXPORT(WdfDeviceAddQueryInterface)(__in PWDF_DRIVER_GLOBALS DriverGlobals

	FxObjectHandleGetPtrAndGlobals (GetFxDriverGlobals(DriverGlobals), Device, FX_TYPE_DEVICE,(PVOID *) &pDevice, &pFxDriverGlobals)

	FxPointerNotNull (pFxDriverGlobals, Device)

	FxPointerNotNull (pFxDriverGlobals, InterfaceConfig)

	FxPointerNotNull (pFxDriverGlobals, InterfaceConfig->InterfaceType)

	if (!NT_SUCCESS(status))

	if (InterfaceConfig->Size !=sizeof(WDF_QUERY_INTERFACE_CONFIG))

	if (InterfaceConfig->SendQueryToParentStack &&pDevice->IsPdo()==FALSE)

	if (pInterface==NULL)

	if (InterfaceConfig->ImportInterface &&InterfaceConfig->EvtDeviceProcessQueryInterfaceRequest==NULL)

	if (pInterface !=NULL)

	if (pQueryInterface==NULL)

pDevice m_PkgPnp	AddQueryInterface (pQueryInterface, TRUE)

Variables
_Must_inspect_result_ __in WDFDEVICE	Device

_Must_inspect_result_ __in WDFDEVICE __in PWDF_QUERY_INTERFACE_CONFIG	InterfaceConfig

FxQueryInterface *	pQueryInterface = NULL

FxDevice *	pDevice

PINTERFACE	pInterface = InterfaceConfig->Interface

NTSTATUS	status = FxVerifierCheckIrqlLevel(pFxDriverGlobals, PASSIVE_LEVEL)

Done	__pad0__

Function Documentation

◆ __drv_maxIRQL()

_Must_inspect_result_ __drv_maxIRQL ( PASSIVE_LEVEL )

◆ AddQueryInterface()

pDevice m_PkgPnp AddQueryInterface	(	pQueryInterface	,
		TRUE
	)

◆ FxObjectHandleGetPtrAndGlobals()

FxObjectHandleGetPtrAndGlobals	(	GetFxDriverGlobals(DriverGlobals)	,
		Device	,
		FX_TYPE_DEVICE	,
		(PVOID *) &	pDevice,
		&	pFxDriverGlobals
	)

◆ FxPointerNotNull() [1/3]

FxPointerNotNull	(	pFxDriverGlobals	,
		Device
	)

◆ FxPointerNotNull() [2/3]

FxPointerNotNull	(	pFxDriverGlobals	,
		InterfaceConfig
	)

◆ FxPointerNotNull() [3/3]

FxPointerNotNull	(	pFxDriverGlobals	,
		InterfaceConfig->	InterfaceType
	)

◆ if() [1/7]

if ( ! NT_SUCCESSstatus )

Definition at line 67 of file fxqueryinterfaceapi.cpp.

                              {
         return status;
     }

◆ if() [2/7]

if ( InterfaceConfig->Size ! = sizeof(WDF_QUERY_INTERFACE_CONFIG) )

Definition at line 73 of file fxqueryinterfaceapi.cpp.

                                                                      {
         status = STATUS_INFO_LENGTH_MISMATCH;
 
         DoTraceLevelMessage(
             pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGERROR,
             "WDFDEVICE %p, WDF_QUERY_INTERFACE_CONFIG Size %d, expected %d, "
             "%!STATUS!", Device, InterfaceConfig->Size,
             sizeof(WDF_QUERY_INTERFACE_CONFIG), status);
 
         goto Done;
     }

◆ if() [3/7]

if ( InterfaceConfig->SendQueryToParentStack &&pDevice-> IsPdo() = = FALSE )

Definition at line 88 of file fxqueryinterfaceapi.cpp.

                                                                               {
         status = STATUS_INVALID_PARAMETER;
 
         DoTraceLevelMessage(
             pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGERROR,
             "SendQueryToParentStack TRUE, but WDFDEVICE %p not a PDO, %!STATUS!",
             Device, status);
 
         goto Done;
     }

◆ if() [4/7]

if ( pInterface = = NULL )

Definition at line 104 of file fxqueryinterfaceapi.cpp.

                             {
         if (InterfaceConfig->SendQueryToParentStack || InterfaceConfig->ImportInterface) {
             //
             // A NULL interface is valid for this config
             //
             DO_NOTHING();
         }
         else {
             status = STATUS_INVALID_PARAMETER;
 
             DoTraceLevelMessage(
                 pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGERROR,
                 "WDFDEVICE %p,  SendQueryToParentStack is FALSE and "
                 "InterfaceConfig->ImportInterface is FALSE, %!STATUS!",
                 Device, status);
 
             goto Done;
         }
     }

◆ if() [5/7]

if ( InterfaceConfig->ImportInterface &&InterfaceConfig-> EvtDeviceProcessQueryInterfaceRequest = = NULL )

Definition at line 128 of file fxqueryinterfaceapi.cpp.

                                                                         {
         status = STATUS_INVALID_PARAMETER;
 
         DoTraceLevelMessage(
             pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGERROR,
             "WDFDEVICE %p, ImportInterface is TRUE and "
             "EvtDeviceProcessQueryInterfaceRequest is NULL, %!STATUS!",
             Device, status);
 
         goto Done;
     }

◆ if() [6/7]

if ( pInterface ! = NULL )

Definition at line 141 of file fxqueryinterfaceapi.cpp.

                             {
         //
         // Make sure we are exposing the minimum size
         //
         if (pInterface->Size < sizeof(INTERFACE)) {
             status = STATUS_INVALID_PARAMETER;
 
             DoTraceLevelMessage(
                 pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGERROR,
                 "WDFDEVICE %p, Interface size %d < sizeof(INTERFACE) (%d), "
                 "%!STATUS!", Device, pInterface->Size, sizeof(INTERFACE), status);
 
             goto Done;
         }
     }

◆ if() [7/7]

if ( pQueryInterface = = NULL )

Definition at line 165 of file fxqueryinterfaceapi.cpp.

                                  {
         status = STATUS_INSUFFICIENT_RESOURCES;
 
         DoTraceLevelMessage(
             pFxDriverGlobals, TRACE_LEVEL_ERROR, TRACINGERROR,
             "WDFDEVICE %p, object creation failed, %!STATUS!", Device, status);
 
         goto Done;
     }