supportum.cpp File Reference

#include "../pnppriv.hpp"

Include dependency graph for supportum.cpp:

Go to the source code of this file.

Functions
VOID	CopyQueryInterfaceToIrpStack (__in PPOWER_THREAD_INTERFACE PowerThreadInterface, __in FxIrp *Irp)
_Must_inspect_result_ NTSTATUS	GetStackCapabilities (__in PFX_DRIVER_GLOBALS DriverGlobals, __in MxDeviceObject *DeviceInStack, __in_opt PD3COLD_SUPPORT_INTERFACE D3ColdInterface, __out PSTACK_DEVICE_CAPABILITIES Capabilities)
VOID	SetD3ColdSupport (__in PFX_DRIVER_GLOBALS DriverGlobals, __in MxDeviceObject *DeviceInStack, __in PD3COLD_SUPPORT_INTERFACE D3ColdInterface, __in BOOLEAN UseD3Cold)
_Must_inspect_result_ NTSTATUS	SendDeviceUsageNotification (__in MxDeviceObject *RelatedDevice, __inout FxIrp *RelatedIrp, __in MxWorkItem *Workitem, __in FxIrp *OriginalIrp, __in BOOLEAN Revert)

Variables
PVOID	GetIoMgrObjectForWorkItemAllocation (VOID)

Function Documentation

CopyQueryInterfaceToIrpStack()

VOID CopyQueryInterfaceToIrpStack	(	__in PPOWER_THREAD_INTERFACE	PowerThreadInterface,
		__in FxIrp *	Irp
	)

Definition at line 27 of file supportum.cpp.

{
    UNREFERENCED_PARAMETER(PowerThreadInterface);
    UNREFERENCED_PARAMETER(Irp);
 
    ASSERTMSG("Not implemented for UMDF\n", FALSE);
}

GetStackCapabilities()

_Must_inspect_result_ NTSTATUS GetStackCapabilities	(	__in PFX_DRIVER_GLOBALS	DriverGlobals,
		__in MxDeviceObject *	DeviceInStack,
		__in_opt PD3COLD_SUPPORT_INTERFACE	D3ColdInterface,
		__out PSTACK_DEVICE_CAPABILITIES	Capabilities
	)

Definition at line 40 of file supportum.cpp.

{
    HRESULT hr;
    NTSTATUS status;
    MdDeviceObject deviceObject;
    IWudfDeviceStack* deviceStack;
 
    UNREFERENCED_PARAMETER(DriverGlobals);
    UNREFERENCED_PARAMETER(D3ColdInterface);
 
    deviceObject = DeviceInStack->GetObject();
    deviceStack = deviceObject->GetDeviceStackInterface();
 
    hr = deviceStack->GetStackCapabilities(Capabilities);
 
    if (S_OK == hr) {
        status = STATUS_SUCCESS;
    }
    else {
        PUMDF_VERSION_DATA driverVersion = deviceStack->GetMinDriverVersion();
        BOOL preserveCompat =
             deviceStack->ShouldPreserveIrpCompletionStatusCompatibility();
 
        status = CHostFxUtil::NtStatusFromHr(hr,
                                             driverVersion->MajorNumber,
                                             driverVersion->MinorNumber,
                                             preserveCompat);
    }
 
    return status;
}

SendDeviceUsageNotification()

_Must_inspect_result_ NTSTATUS SendDeviceUsageNotification	(	__in MxDeviceObject *	RelatedDevice,
		__inout FxIrp *	RelatedIrp,
		__in MxWorkItem *	Workitem,
		__in FxIrp *	OriginalIrp,
		__in BOOLEAN	Revert
	)

Definition at line 130 of file supportum.cpp.

{
    UNREFERENCED_PARAMETER(RelatedDevice);
    UNREFERENCED_PARAMETER(RelatedIrp);
    UNREFERENCED_PARAMETER(Workitem);
    UNREFERENCED_PARAMETER(OriginalIrp);
    UNREFERENCED_PARAMETER(Revert);
 
    ASSERTMSG("Not implemented for UMDF\n", FALSE);
 
    return STATUS_NOT_IMPLEMENTED;
}

SetD3ColdSupport()

VOID SetD3ColdSupport	(	__in PFX_DRIVER_GLOBALS	DriverGlobals,
		__in MxDeviceObject *	DeviceInStack,
		__in PD3COLD_SUPPORT_INTERFACE	D3ColdInterface,
		__in BOOLEAN	UseD3Cold
	)

Definition at line 78 of file supportum.cpp.

{
    MdDeviceObject deviceObject;
    IWudfDeviceStack* deviceStack;
 
    UNREFERENCED_PARAMETER(DriverGlobals);
    UNREFERENCED_PARAMETER(D3ColdInterface);
 
    deviceObject = DeviceInStack->GetObject();
    deviceStack = deviceObject->GetDeviceStackInterface();
 
    deviceStack->SetD3ColdSupport(UseD3Cold);
}

Variable Documentation

GetIoMgrObjectForWorkItemAllocation

PVOID GetIoMgrObjectForWorkItemAllocation(VOID)

(

VOID

)

Definition at line 98 of file supportum.cpp.

{
    //
    // In user-mode we don't need an IO manager object for work item allocation
    // so we return NULL.
    //
    return NULL;
}

Referenced by FxWorkItemEventQueue::Init().