CPCTimeValue CPCTimeValue::TickCount()
{
#if defined(_WIN32)
static LARGE_INTEGER TicksPerSecond = { 0 };
if (!TicksPerSecond.QuadPart)
{
QueryPerformanceFrequency(&TicksPerSecond);
}
LARGE_INTEGER Tick;
QueryPerformanceCounter(&Tick);
long long Seconds = Tick.QuadPart / TicksPerSecond.QuadPart;
long long LeftPart = Tick.QuadPart - (TicksPerSecond.QuadPart*Seconds);
long long MillSeconds = LeftPart * 1000 / TicksPerSecond.QuadPart;
long long nRet = Seconds * 1000 + MillSeconds;
PC_ASSERT(nRet > 0, "nRet <= 0");
return CPCTimeValue(nRet);
#else
/* 需要加上编译选项 -lrt */
struct timespec ts;
int nRet = clock_gettime(CLOCK_MONOTONIC, &ts);
PC_ASSERT(nRet == 0, "clock_gettime fail!");
return CPCTimeValue((ts.tv_sec * 1000) + (ts.tv_nsec / 1000000));
#endif
}
NTSTATUS
NTAPI
PinWavePciAllocatorFraming(
IN PIRP Irp,
IN PKSIDENTIFIER Request,
IN OUT PVOID Data)
{
CPortPinWavePci *Pin;
PSUBDEVICE_DESCRIPTOR Descriptor;
// get sub device descriptor
Descriptor = (PSUBDEVICE_DESCRIPTOR)KSPROPERTY_ITEM_IRP_STORAGE(Irp);
// sanity check
PC_ASSERT(Descriptor);
PC_ASSERT(Descriptor->PortPin);
PC_ASSERT_IRQL(DISPATCH_LEVEL);
// cast to pin impl
Pin = (CPortPinWavePci*)Descriptor->PortPin;
if (Request->Flags & KSPROPERTY_TYPE_GET)
{
// copy pin framing
RtlMoveMemory(Data, &Pin->m_AllocatorFraming, sizeof(KSALLOCATOR_FRAMING));
Irp->IoStatus.Information = sizeof(KSALLOCATOR_FRAMING);
return STATUS_SUCCESS;
}
// not supported
return STATUS_NOT_SUPPORTED;
}
NTAPI
KsoGetIrpTargetFromFileObject(
PFILE_OBJECT FileObject)
{
PC_ASSERT(FileObject);
// IrpTarget is stored in FsContext
return (IIrpTarget*)FileObject->FsContext;
}
NTSTATUS
NTAPI
PcCompleteIrp(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
IN NTSTATUS Status)
{
#if 0
PC_ASSERT(DeviceObject);
PC_ASSERT(Irp);
PC_ASSERT(Status != STATUS_PENDING);
#endif
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS
NTAPI
CPortWaveCyclic::GetDescriptor(
IN SUBDEVICE_DESCRIPTOR ** Descriptor)
{
PC_ASSERT(m_SubDeviceDescriptor != NULL);
*Descriptor = m_SubDeviceDescriptor;
DPRINT("ISubDevice_GetDescriptor this %p desc %p\n", this, m_SubDeviceDescriptor);
return STATUS_SUCCESS;
}
PCLIB_NAMESPACE_BEG
//////////////////////////////////////////////////////////////////////////
CPCTimeValue& CPCTimeValue::operator= (const char * pszTimeStamp)
{
if (pszTimeStamp == NULL || strlen(pszTimeStamp) != PC_TIMESTAMP_LEN)
{
PC_ASSERT(true, "param error!pszTimeStmp=%s", pszTimeStamp);
return *this;
}
//解析原串到tm结构体
struct tm tmTimeMsValue;
char szYear[5] = { 0 }, szMonth[3] = { 0 }, szDay[3] = { 0 }, szHour[3] = { 0 }, szMinute[3] = { 0 }, szSecond[3] = { 0 };
memcpy(szYear, pszTimeStamp, 4);
memcpy(szMonth, pszTimeStamp + 5, 2);
memcpy(szDay, pszTimeStamp + 8, 2);
memcpy(szHour, pszTimeStamp + 11, 2);
memcpy(szMinute, pszTimeStamp + 14, 2);
memcpy(szSecond, pszTimeStamp + 17, 2);
tmTimeMsValue.tm_year = atoi(szYear) - 1900;
tmTimeMsValue.tm_mon = atoi(szMonth) - 1;
tmTimeMsValue.tm_mday = atoi(szDay);
tmTimeMsValue.tm_hour = atoi(szHour);
tmTimeMsValue.tm_min = atoi(szMinute);
tmTimeMsValue.tm_sec = atoi(szSecond);
//tm转换为秒数
time_t tMakeTime = mktime(&tmTimeMsValue) * 1000;
if (tMakeTime < 0)
{
PC_ASSERT(true, "mktime error!pszTimeStmp=%s", pszTimeStamp);
return *this;
}
m_TimeMsValue = tMakeTime;
return *this;
}
NTSTATUS
NTAPI
PinWavePciAudioPosition(
IN PIRP Irp,
IN PKSIDENTIFIER Request,
IN OUT PVOID Data)
{
CPortPinWavePci *Pin;
PSUBDEVICE_DESCRIPTOR Descriptor;
// get sub device descriptor
Descriptor = (PSUBDEVICE_DESCRIPTOR)KSPROPERTY_ITEM_IRP_STORAGE(Irp);
// sanity check
PC_ASSERT(Descriptor);
PC_ASSERT(Descriptor->PortPin);
PC_ASSERT_IRQL(DISPATCH_LEVEL);
// cast to pin impl
Pin = (CPortPinWavePci*)Descriptor->PortPin;
//sanity check
PC_ASSERT(Pin->m_Stream);
if (Request->Flags & KSPROPERTY_TYPE_GET)
{
// FIXME non multithreading-safe
// copy audio position
RtlMoveMemory(Data, &Pin->m_Position, sizeof(KSAUDIO_POSITION));
DPRINT("Play %lu Record %lu\n", Pin->m_Position.PlayOffset, Pin->m_Position.WriteOffset);
Irp->IoStatus.Information = sizeof(KSAUDIO_POSITION);
return STATUS_SUCCESS;
}
// not supported
return STATUS_NOT_SUPPORTED;
}
NTSTATUS
HandleDataIntersection(
IN PIO_STATUS_BLOCK IoStatus,
IN PKSIDENTIFIER Request,
IN OUT PVOID Data,
IN ULONG DataLength,
IN PSUBDEVICE_DESCRIPTOR Descriptor,
IN ISubdevice *SubDevice)
{
KSP_PIN * Pin = (KSP_PIN*)Request;
PKSMULTIPLE_ITEM MultipleItem;
PKSDATARANGE DataRange;
NTSTATUS Status = STATUS_NO_MATCH;
ULONG Index, Length;
// Access parameters
MultipleItem = (PKSMULTIPLE_ITEM)(Pin + 1);
DataRange = (PKSDATARANGE)(MultipleItem + 1);
for(Index = 0; Index < MultipleItem->Count; Index++)
{
// Call miniport's proprietary handler
PC_ASSERT(Descriptor->Factory.KsPinDescriptor[Pin->PinId].DataRangesCount);
PC_ASSERT(Descriptor->Factory.KsPinDescriptor[Pin->PinId].DataRanges[0]);
Status = SubDevice->DataRangeIntersection(Pin->PinId, DataRange, (PKSDATARANGE)Descriptor->Factory.KsPinDescriptor[Pin->PinId].DataRanges[0],
DataLength, Data, &Length);
if (Status == STATUS_SUCCESS)
{
IoStatus->Information = Length;
break;
}
DataRange = (PKSDATARANGE)((PUCHAR)DataRange + DataRange->FormatSize);
}
IoStatus->Status = Status;
return Status;
}
CPCTimeValue CPCTimeValue::Now()
{
#if defined (_WIN32)
struct timeb tbTime;
ftime(&tbTime);
return CPCTimeValue(tbTime.time * 1000 + tbTime.millitm);
#else
/* 需要加上编译选项 -lrt */
struct timespec ts;
int nRet = clock_gettime(CLOCK_REALTIME, &ts);
PC_ASSERT(nRet == 0, "clock_gettime fail!");
return CPCTimeValue((ts.tv_sec * 1000) + (ts.tv_nsec / 1000000));
#endif
}
VOID
NTAPI
CPortDMus::Notify(
IN PSERVICEGROUP ServiceGroup OPTIONAL)
{
if (ServiceGroup)
{
ServiceGroup->RequestService ();
return;
}
PC_ASSERT(m_ServiceGroup);
// notify miniport service group
m_ServiceGroup->RequestService();
// notify stream miniport service group
if (m_Filter)
{
m_Filter->NotifyPins();
}
}
NTSTATUS
NTAPI
PcCreateItemDispatch(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
NTSTATUS Status;
ISubdevice * SubDevice;
IIrpTarget *Filter;
PKSOBJECT_CREATE_ITEM CreateItem, PinCreateItem;
// access the create item
CreateItem = KSCREATE_ITEM_IRP_STORAGE(Irp);
DPRINT("PcCreateItemDispatch called DeviceObject %p %S Name\n", DeviceObject, CreateItem->ObjectClass.Buffer);
// get the subdevice
SubDevice = (ISubdevice*)CreateItem->Context;
// sanity checks
PC_ASSERT(SubDevice != NULL);
#if KS_IMPLEMENTED
Status = KsReferenceSoftwareBusObject(DeviceExt->KsDeviceHeader);
if (!NT_SUCCESS(Status) && Status != STATUS_NOT_IMPLEMENTED)
{
DPRINT("PcCreateItemDispatch failed to reference device header\n");
FreeItem(Entry, TAG_PORTCLASS);
goto cleanup;
}
#endif
// get filter object
Status = SubDevice->NewIrpTarget(&Filter,
NULL,
NULL,
NonPagedPool,
DeviceObject,
Irp,
NULL);
if (!NT_SUCCESS(Status))
{
DPRINT("Failed to get filter object\n");
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
// allocate pin create item
PinCreateItem = (PKSOBJECT_CREATE_ITEM)AllocateItem(NonPagedPool, sizeof(KSOBJECT_CREATE_ITEM), TAG_PORTCLASS);
if (!PinCreateItem)
{
// not enough memory
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INSUFFICIENT_RESOURCES;
}
// initialize pin create item
PinCreateItem->Context = (PVOID)Filter;
PinCreateItem->Create = PcCreatePinDispatch;
RtlInitUnicodeString(&PinCreateItem->ObjectClass, KSSTRING_Pin);
// FIXME copy security descriptor
// now allocate a dispatch object
Status = NewDispatchObject(Irp, Filter, 1, PinCreateItem);
// complete request
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
//-------------------------------------------------------------------------------------------------
NTSTATUS
CHCDController::HandleDeviceControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
PCOMMON_DEVICE_EXTENSION DeviceExtension;
NTSTATUS Status = STATUS_NOT_IMPLEMENTED;
PUSB_HCD_DRIVERKEY_NAME DriverKey;
ULONG ResultLength;
//
// get current stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// get device extension
//
DeviceExtension = (PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
PC_ASSERT(DeviceExtension->IsFDO);
DPRINT1("[%s] HandleDeviceControl>Type: IoCtl %x InputBufferLength %lu OutputBufferLength %lu\n", m_USBType,
IoStack->Parameters.DeviceIoControl.IoControlCode,
IoStack->Parameters.DeviceIoControl.InputBufferLength,
IoStack->Parameters.DeviceIoControl.OutputBufferLength);
//
// perform ioctl for FDO
//
if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_GET_HCD_DRIVERKEY_NAME)
{
//
// check if sizee is at least >= USB_HCD_DRIVERKEY_NAME
//
if(IoStack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(USB_HCD_DRIVERKEY_NAME))
{
//
// get device property size
//
Status = IoGetDeviceProperty(m_PhysicalDeviceObject, DevicePropertyDriverKeyName, 0, NULL, &ResultLength);
//
// get input buffer
//
DriverKey = (PUSB_HCD_DRIVERKEY_NAME)Irp->AssociatedIrp.SystemBuffer;
//
// check result
//
if (Status == STATUS_BUFFER_TOO_SMALL)
{
//
// does the caller provide enough buffer space
//
if (IoStack->Parameters.DeviceIoControl.OutputBufferLength >= ResultLength)
{
//
// it does
//
Status = IoGetDeviceProperty(m_PhysicalDeviceObject, DevicePropertyDriverKeyName, IoStack->Parameters.DeviceIoControl.OutputBufferLength - sizeof(ULONG), DriverKey->DriverKeyName, &ResultLength);
}
//
// store result
//
DriverKey->ActualLength = ResultLength + FIELD_OFFSET(USB_HCD_DRIVERKEY_NAME, DriverKeyName) + sizeof(WCHAR);
Irp->IoStatus.Information = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
Status = STATUS_SUCCESS;
}
}
else
{
//
// buffer is certainly too small
//
Status = STATUS_BUFFER_OVERFLOW;
Irp->IoStatus.Information = sizeof(USB_HCD_DRIVERKEY_NAME);
}
}
else if (IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_USB_GET_ROOT_HUB_NAME)
{
//
// check if sizee is at least >= USB_HCD_DRIVERKEY_NAME
//
if(IoStack->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(USB_HCD_DRIVERKEY_NAME))
{
//
// sanity check
//
PC_ASSERT(m_HubController);
//
// get input buffer
//
DriverKey = (PUSB_HCD_DRIVERKEY_NAME)Irp->AssociatedIrp.SystemBuffer;
//
// get symbolic link
//
Status = m_HubController->GetHubControllerSymbolicLink(IoStack->Parameters.DeviceIoControl.OutputBufferLength - sizeof(ULONG), DriverKey->DriverKeyName, &ResultLength);
if (NT_SUCCESS(Status))
{
//
// null terminate it
//
PC_ASSERT(IoStack->Parameters.DeviceIoControl.OutputBufferLength - sizeof(ULONG) - sizeof(WCHAR) >= ResultLength);
DriverKey->DriverKeyName[ResultLength / sizeof(WCHAR)] = L'\0';
}
//
// store result
//
DriverKey->ActualLength = ResultLength + FIELD_OFFSET(USB_HCD_DRIVERKEY_NAME, DriverKeyName) + sizeof(WCHAR);
Irp->IoStatus.Information = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
Status = STATUS_SUCCESS;
}
else
{
//
// buffer is certainly too small
//
Status = STATUS_BUFFER_OVERFLOW;
Irp->IoStatus.Information = sizeof(USB_HCD_DRIVERKEY_NAME);
}
}
//
// complete the request
//
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
//
// done
//
return Status;
}
//-------------------------------------------------------------------------------------------------
NTSTATUS
CHCDController::Initialize(
IN PROOTHDCCONTROLLER RootHCDController,
IN PDRIVER_OBJECT DriverObject,
IN PDEVICE_OBJECT PhysicalDeviceObject)
{
NTSTATUS Status;
PCOMMON_DEVICE_EXTENSION DeviceExtension;
//
// create usb hardware
//
Status = CreateUSBHardware(&m_Hardware);
if (!NT_SUCCESS(Status))
{
//
// failed to create hardware object
//
DPRINT1("Failed to create hardware object\n");
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// initialize members
//
m_DriverObject = DriverObject;
m_PhysicalDeviceObject = PhysicalDeviceObject;
m_RootController = RootHCDController;
//
// create FDO
//
Status = CreateFDO(m_DriverObject, &m_FunctionalDeviceObject);
if (!NT_SUCCESS(Status))
{
//
// failed to create PDO
//
return Status;
}
//
// now attach to device stack
//
m_NextDeviceObject = IoAttachDeviceToDeviceStack(m_FunctionalDeviceObject, m_PhysicalDeviceObject);
if (!m_NextDeviceObject)
{
//
// failed to attach to device stack
//
IoDeleteDevice(m_FunctionalDeviceObject);
m_FunctionalDeviceObject = 0;
return STATUS_NO_SUCH_DEVICE;
}
//
// initialize hardware object
//
Status = m_Hardware->Initialize(m_DriverObject, m_FunctionalDeviceObject, m_PhysicalDeviceObject, m_NextDeviceObject);
if (!NT_SUCCESS(Status))
{
DPRINT1("[%s] Failed to initialize hardware object %x\n", m_Hardware->GetUSBType(), Status);
//
// failed to initialize hardware object, detach from device stack
//
IoDetachDevice(m_NextDeviceObject);
//
// now delete the device
//
IoDeleteDevice(m_FunctionalDeviceObject);
//
// nullify pointers :)
//
m_FunctionalDeviceObject = 0;
m_NextDeviceObject = 0;
return Status;
}
//
// get usb controller type
//
m_USBType = m_Hardware->GetUSBType();
//
// set device flags
//
m_FunctionalDeviceObject->Flags |= DO_BUFFERED_IO | DO_POWER_PAGABLE;
//
// get device extension
//
DeviceExtension = (PCOMMON_DEVICE_EXTENSION)m_FunctionalDeviceObject->DeviceExtension;
PC_ASSERT(DeviceExtension);
//
// initialize device extension
//
DeviceExtension->IsFDO = TRUE;
DeviceExtension->IsHub = FALSE;
DeviceExtension->Dispatcher = PDISPATCHIRP(this);
//
// device is initialized
//
m_FunctionalDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
//
// is there a root controller
//
if (m_RootController)
{
//
// add reference
//
m_RootController->AddRef();
//
// register with controller
//
m_RootController->RegisterHCD(this);
}
//
// done
//
return STATUS_SUCCESS;
}
NTSTATUS
NTAPI
PcCreatePinDispatch(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
NTSTATUS Status;
IIrpTarget *Filter;
IIrpTarget *Pin;
PKSOBJECT_CREATE_ITEM CreateItem;
// access the create item
CreateItem = KSCREATE_ITEM_IRP_STORAGE(Irp);
// sanity check
PC_ASSERT(CreateItem);
DPRINT("PcCreatePinDispatch called DeviceObject %p %S Name\n", DeviceObject, CreateItem->ObjectClass.Buffer);
Filter = (IIrpTarget*)CreateItem->Context;
// sanity checks
PC_ASSERT(Filter != NULL);
PC_ASSERT_IRQL(PASSIVE_LEVEL);
#if KS_IMPLEMENTED
Status = KsReferenceSoftwareBusObject(DeviceExt->KsDeviceHeader);
if (!NT_SUCCESS(Status) && Status != STATUS_NOT_IMPLEMENTED)
{
DPRINT("PcCreatePinDispatch failed to reference device header\n");
FreeItem(Entry, TAG_PORTCLASS);
goto cleanup;
}
#endif
Status = Filter->NewIrpTarget(&Pin,
KSSTRING_Pin,
NULL,
NonPagedPool,
DeviceObject,
Irp,
NULL);
DPRINT("PcCreatePinDispatch Status %x\n", Status);
if (NT_SUCCESS(Status))
{
// create the dispatch object
// FIXME need create item for clock
Status = NewDispatchObject(Irp, Pin, 0, NULL);
DPRINT("Pin %p\n", Pin);
}
DPRINT("CreatePinWorkerRoutine completing irp %p\n", Irp);
// save status in irp
Irp->IoStatus.Status = Status;
Irp->IoStatus.Information = 0;
// complete the request
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS
NTAPI
PinWavePciState(
IN PIRP Irp,
IN PKSIDENTIFIER Request,
IN OUT PVOID Data)
{
NTSTATUS Status = STATUS_UNSUCCESSFUL;
CPortPinWavePci *Pin;
PSUBDEVICE_DESCRIPTOR Descriptor;
PVOID FirstTag, LastTag;
ULONG MappingsRevoked;
PKSSTATE State = (PKSSTATE)Data;
// get sub device descriptor
Descriptor = (PSUBDEVICE_DESCRIPTOR)KSPROPERTY_ITEM_IRP_STORAGE(Irp);
// sanity check
PC_ASSERT(Descriptor);
PC_ASSERT(Descriptor->PortPin);
PC_ASSERT_IRQL(DISPATCH_LEVEL);
// cast to pin impl
Pin = (CPortPinWavePci*)Descriptor->PortPin;
//sanity check
PC_ASSERT(Pin->m_Stream);
if (Request->Flags & KSPROPERTY_TYPE_SET)
{
// try set stream
Status = Pin->m_Stream->SetState(*State);
DPRINT("Setting state %u %x\n", *State, Status);
if (NT_SUCCESS(Status))
{
// store new state
Pin->m_State = *State;
if (Pin->m_ConnectDetails->Interface.Id == KSINTERFACE_STANDARD_LOOPED_STREAMING && Pin->m_State == KSSTATE_STOP)
{
// FIXME
// complete with successful state
Pin->m_IrpQueue->CancelBuffers();
while(Pin->m_IrpQueue->GetAcquiredTagRange(&FirstTag, &LastTag))
{
Status = Pin->m_Stream->RevokeMappings(FirstTag, LastTag, &MappingsRevoked);
DPRINT("RevokeMappings Status %lx MappingsRevoked: %lu\n", Status, MappingsRevoked);
KeStallExecutionProcessor(10);
}
Pin->m_Position.PlayOffset = 0;
Pin->m_Position.WriteOffset = 0;
}
else if (Pin->m_State == KSSTATE_STOP)
{
Pin->m_IrpQueue->CancelBuffers();
while(Pin->m_IrpQueue->GetAcquiredTagRange(&FirstTag, &LastTag))
{
Status = Pin->m_Stream->RevokeMappings(FirstTag, LastTag, &MappingsRevoked);
DPRINT("RevokeMappings Status %lx MappingsRevoked: %lu\n", Status, MappingsRevoked);
KeStallExecutionProcessor(10);
}
Pin->m_Position.PlayOffset = 0;
Pin->m_Position.WriteOffset = 0;
}
// store result
Irp->IoStatus.Information = sizeof(KSSTATE);
}
// store result
Irp->IoStatus.Information = sizeof(KSSTATE);
return Status;
}
else if (Request->Flags & KSPROPERTY_TYPE_GET)
{
// get current stream state
*State = Pin->m_State;
// store result
Irp->IoStatus.Information = sizeof(KSSTATE);
return STATUS_SUCCESS;
}
// unsupported request
return STATUS_NOT_SUPPORTED;
}
NTSTATUS
NTAPI
PropertyItemDispatch(
IN PIRP Irp,
IN PKSIDENTIFIER Request,
IN OUT PVOID Data)
{
PPCPROPERTY_REQUEST PropertyRequest;
PSUBDEVICE_DESCRIPTOR Descriptor;
PKSPROPERTY Property;
PPCNODE_DESCRIPTOR NodeDescriptor;
PKSNODEPROPERTY NodeProperty;
PKSPROPERTY_SET PropertySet;
PPCPROPERTY_ITEM PropertyItem;
PPCAUTOMATION_TABLE NodeAutomation;
PIO_STACK_LOCATION IoStack;
ULONG InstanceSize, ValueSize, Index;
PVOID Instance;
NTSTATUS Status;
// allocate a property request
PropertyRequest = (PPCPROPERTY_REQUEST)AllocateItem(NonPagedPool, sizeof(PCPROPERTY_REQUEST), TAG_PORTCLASS);
if (!PropertyRequest)
return STATUS_INSUFFICIENT_RESOURCES;
// grab device descriptor
Descriptor = (PSUBDEVICE_DESCRIPTOR)KSPROPERTY_ITEM_IRP_STORAGE(Irp);
// get current irp stack
IoStack = IoGetCurrentIrpStackLocation(Irp);
// get input property request
Property = (PKSPROPERTY)Request;
// get property set
PropertySet = (PKSPROPERTY_SET)KSPROPERTY_SET_IRP_STORAGE(Irp);
// sanity check
PC_ASSERT(Descriptor);
PC_ASSERT(Descriptor->UnknownMiniport);
// get instance / value size
InstanceSize = IoStack->Parameters.DeviceIoControl.InputBufferLength;
Instance = Request;
ValueSize = IoStack->Parameters.DeviceIoControl.OutputBufferLength;
// initialize property request
PropertyRequest->MajorTarget = Descriptor->UnknownMiniport;
PropertyRequest->MinorTarget = Descriptor->UnknownStream;
PropertyRequest->Irp = Irp;
PropertyRequest->Verb = Property->Flags;
// check if this is filter / pin property request
if (!(Property->Flags & KSPROPERTY_TYPE_TOPOLOGY))
{
// adjust input buffer size
InstanceSize -= sizeof(KSPROPERTY);
Instance = (PVOID)((ULONG_PTR)Instance + sizeof(KSPROPERTY));
// filter / pin property request dont use node field
PropertyRequest->Node = MAXULONG;
}
else if (InstanceSize >= sizeof(KSNODEPROPERTY))
{
// request is for a node
InstanceSize -= sizeof(KSNODEPROPERTY);
Instance = (PVOID)((ULONG_PTR)Instance + sizeof(KSNODEPROPERTY));
// cast node property request
NodeProperty = (PKSNODEPROPERTY)Request;
// store node id
PropertyRequest->Node = NodeProperty->NodeId;
}
else
{
// invalid buffer size
return STATUS_INVALID_BUFFER_SIZE;
}
// store instance size
PropertyRequest->InstanceSize = InstanceSize;
PropertyRequest->Instance = (InstanceSize != 0 ? Instance : NULL);
// store value size
PropertyRequest->ValueSize = ValueSize;
PropertyRequest->Value = Data;
// now scan the property set for the attached property set item stored in Relations member
if (PropertySet)
{
// sanity check
PC_ASSERT(IsEqualGUIDAligned(Property->Set, *PropertySet->Set));
for(Index = 0; Index < PropertySet->PropertiesCount; Index++)
{
// check if they got the same property id
if (PropertySet->PropertyItem[Index].PropertyId == Property->Id)
{
// found item
PropertyRequest->PropertyItem = (const PCPROPERTY_ITEM*)PropertySet->PropertyItem[Index].Relations;
// done
break;
}
}
}
// check if there has been a property set item attached
if (!PropertyRequest->PropertyItem)
{
// is topology node id valid
if (PropertyRequest->Node < Descriptor->DeviceDescriptor->NodeCount)
{
// get node descriptor
NodeDescriptor = (PPCNODE_DESCRIPTOR) ((ULONG_PTR)Descriptor->DeviceDescriptor->Nodes + PropertyRequest->Node * Descriptor->DeviceDescriptor->NodeSize);
// get node automation table
NodeAutomation = (PPCAUTOMATION_TABLE)NodeDescriptor->AutomationTable;
// has it got a automation table
if (NodeAutomation)
{
// now scan the properties and check if it supports this request
PropertyItem = (PPCPROPERTY_ITEM)NodeAutomation->Properties;
for(Index = 0; Index < NodeAutomation->PropertyCount; Index++)
{
// are they same property
if (IsEqualGUIDAligned(*PropertyItem->Set, Property->Set))
{
if (PropertyItem->Id == Property->Id)
{
// found match
PropertyRequest->PropertyItem = PropertyItem;
DPRINT("Using property item %p\n", PropertyItem);
// done
break;
}
}
// move to next property item
PropertyItem = (PPCPROPERTY_ITEM)((ULONG_PTR)PropertyItem + NodeAutomation->PropertyItemSize);
}
}
}
}
if (PropertyRequest->PropertyItem && PropertyRequest->PropertyItem->Handler)
{
// now call the handler
UNICODE_STRING GuidBuffer;
RtlStringFromGUID(Property->Set, &GuidBuffer);
DPRINT("Calling Node %lu MajorTarget %p MinorTarget %p PropertySet %S PropertyId %lu PropertyFlags %lx InstanceSize %lu ValueSize %lu Handler %p PropertyRequest %p PropertyItemFlags %lx PropertyItemId %lu\n",
PropertyRequest->Node, PropertyRequest->MajorTarget, PropertyRequest->MinorTarget, GuidBuffer.Buffer, Property->Id, Property->Flags, PropertyRequest->InstanceSize, PropertyRequest->ValueSize,
PropertyRequest->PropertyItem->Handler, PropertyRequest, PropertyRequest->PropertyItem->Flags, PropertyRequest->PropertyItem->Id);
RtlFreeUnicodeString(&GuidBuffer);
Status = PropertyRequest->PropertyItem->Handler(PropertyRequest);
DPRINT("Status %lx ValueSize %lu Information %lu\n", Status, PropertyRequest->ValueSize, Irp->IoStatus.Information);
Irp->IoStatus.Information = PropertyRequest->ValueSize;
if (Status != STATUS_PENDING)
{
// free property request
FreeItem(PropertyRequest, TAG_PORTCLASS);
}
}
else
{
FreeItem(PropertyRequest, TAG_PORTCLASS);
Status = STATUS_NOT_FOUND;
}
/* done */
return Status;
}
NTSTATUS
NTAPI
PinWavePciDataFormat(
IN PIRP Irp,
IN PKSIDENTIFIER Request,
IN OUT PVOID Data)
{
NTSTATUS Status = STATUS_UNSUCCESSFUL;
CPortPinWavePci *Pin;
PSUBDEVICE_DESCRIPTOR Descriptor;
PIO_STACK_LOCATION IoStack;
// get current irp stack location
IoStack = IoGetCurrentIrpStackLocation(Irp);
// get sub device descriptor
Descriptor = (PSUBDEVICE_DESCRIPTOR)KSPROPERTY_ITEM_IRP_STORAGE(Irp);
// sanity check
PC_ASSERT(Descriptor);
PC_ASSERT(Descriptor->PortPin);
// cast to pin impl
Pin = (CPortPinWavePci*)Descriptor->PortPin;
//sanity check
PC_ASSERT(Pin->m_Stream);
PC_ASSERT(Pin->m_Format);
if (Request->Flags & KSPROPERTY_TYPE_SET)
{
// try to change data format
PKSDATAFORMAT NewDataFormat, DataFormat = (PKSDATAFORMAT)Irp->UserBuffer;
ULONG Size = min(Pin->m_Format->FormatSize, DataFormat->FormatSize);
if (RtlCompareMemory(DataFormat, Pin->m_Format, Size) == Size)
{
// format is identical
Irp->IoStatus.Information = DataFormat->FormatSize;
return STATUS_SUCCESS;
}
// new change request
PC_ASSERT(Pin->m_State == KSSTATE_STOP);
// FIXME queue a work item when Irql != PASSIVE_LEVEL
PC_ASSERT(KeGetCurrentIrql() == PASSIVE_LEVEL);
// allocate new data format
NewDataFormat = (PKSDATAFORMAT)AllocateItem(NonPagedPool, DataFormat->FormatSize, TAG_PORTCLASS);
if (!NewDataFormat)
{
// not enough memory
return STATUS_NO_MEMORY;
}
// copy new data format
RtlMoveMemory(NewDataFormat, DataFormat, DataFormat->FormatSize);
// set new format
Status = Pin->m_Stream->SetFormat(NewDataFormat);
if (NT_SUCCESS(Status))
{
// free old format
FreeItem(Pin->m_Format, TAG_PORTCLASS);
// store new format
Pin->m_Format = NewDataFormat;
Irp->IoStatus.Information = NewDataFormat->FormatSize;
#if 0
PC_ASSERT(NewDataFormat->FormatSize == sizeof(KSDATAFORMAT_WAVEFORMATEX));
PC_ASSERT(IsEqualGUIDAligned(((PKSDATAFORMAT_WAVEFORMATEX)NewDataFormat)->DataFormat.MajorFormat, KSDATAFORMAT_TYPE_AUDIO));
PC_ASSERT(IsEqualGUIDAligned(((PKSDATAFORMAT_WAVEFORMATEX)NewDataFormat)->DataFormat.SubFormat, KSDATAFORMAT_SUBTYPE_PCM));
PC_ASSERT(IsEqualGUIDAligned(((PKSDATAFORMAT_WAVEFORMATEX)NewDataFormat)->DataFormat.Specifier, KSDATAFORMAT_SPECIFIER_WAVEFORMATEX));
DPRINT("NewDataFormat: Channels %u Bits %u Samples %u\n", ((PKSDATAFORMAT_WAVEFORMATEX)NewDataFormat)->WaveFormatEx.nChannels,
((PKSDATAFORMAT_WAVEFORMATEX)NewDataFormat)->WaveFormatEx.wBitsPerSample,
((PKSDATAFORMAT_WAVEFORMATEX)NewDataFormat)->WaveFormatEx.nSamplesPerSec);
#endif
}
else
{
// failed to set format
FreeItem(NewDataFormat, TAG_PORTCLASS);
}
// done
return Status;
}
else if (Request->Flags & KSPROPERTY_TYPE_GET)
{
// get current data format
PC_ASSERT(Pin->m_Format);
if (Pin->m_Format->FormatSize > IoStack->Parameters.DeviceIoControl.OutputBufferLength)
{
// buffer too small
Irp->IoStatus.Information = Pin->m_Format->FormatSize;
return STATUS_MORE_ENTRIES;
}
// copy data format
RtlMoveMemory(Data, Pin->m_Format, Pin->m_Format->FormatSize);
// store result size
Irp->IoStatus.Information = Pin->m_Format->FormatSize;
// done
return STATUS_SUCCESS;
}
// unsupported request
return STATUS_NOT_SUPPORTED;
}
NTSTATUS
NTAPI
USBLIB_Dispatch(
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
PCOMMON_DEVICE_EXTENSION DeviceExtension;
PIO_STACK_LOCATION IoStack;
NTSTATUS Status;
//
// get common device extension
//
DeviceExtension = (PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// get current stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
//
// sanity checks
//
PC_ASSERT(DeviceExtension->Dispatcher);
switch(IoStack->MajorFunction)
{
case IRP_MJ_PNP:
{
//
// dispatch pnp
//
return DeviceExtension->Dispatcher->HandlePnp(DeviceObject, Irp);
}
case IRP_MJ_POWER:
{
//
// dispatch power
//
return DeviceExtension->Dispatcher->HandlePower(DeviceObject, Irp);
}
case IRP_MJ_INTERNAL_DEVICE_CONTROL:
case IRP_MJ_DEVICE_CONTROL:
{
//
// dispatch io control
//
return DeviceExtension->Dispatcher->HandleDeviceControl(DeviceObject, Irp);
}
case IRP_MJ_SYSTEM_CONTROL:
{
//
// dispatch system control
//
return DeviceExtension->Dispatcher->HandleSystemControl(DeviceObject, Irp);
}
default:
{
DPRINT1("USBLIB_Dispatch> Major %lu Minor %lu unhandeled\n", IoStack->MajorFunction, IoStack->MinorFunction);
Status = STATUS_SUCCESS;
}
}
//
// complete request
//
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS
NTAPI
PortClsPnp(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
NTSTATUS Status;
PPCLASS_DEVICE_EXTENSION DeviceExt;
PIO_STACK_LOCATION IoStack;
POWER_STATE PowerState;
IResourceList* resource_list = NULL;
//ULONG Index;
//PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor, UnPartialDescriptor;
DeviceExt = (PPCLASS_DEVICE_EXTENSION) DeviceObject->DeviceExtension;
IoStack = IoGetCurrentIrpStackLocation(Irp);
DPRINT("PortClsPnp called %u\n", IoStack->MinorFunction);
//PC_ASSERT(DeviceExt);
switch (IoStack->MinorFunction)
{
case IRP_MN_START_DEVICE:
DPRINT("IRP_MN_START_DEVICE\n");
// Create the resource list
Status = PcNewResourceList(
&resource_list,
NULL,
PagedPool,
IoStack->Parameters.StartDevice.AllocatedResourcesTranslated,
IoStack->Parameters.StartDevice.AllocatedResources);
if (!NT_SUCCESS(Status))
{
DPRINT("PcNewResourceList failed [0x%8x]\n", Status);
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
// forward irp to lower device object
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
if (!NT_SUCCESS(Status))
{
// lower device object failed to start
resource_list->Release();
// complete the request
IoCompleteRequest(Irp, IO_NO_INCREMENT);
// return result
return Status;
}
// sanity check
//PC_ASSERT(DeviceExt->StartDevice);
// Call the StartDevice routine
DPRINT("Calling StartDevice at 0x%8p\n", DeviceExt->StartDevice);
Status = DeviceExt->StartDevice(DeviceObject, Irp, resource_list);
if (!NT_SUCCESS(Status))
{
DPRINT("StartDevice returned a failure code [0x%8x]\n", Status);
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
// Assign the resource list to our extension
DeviceExt->resources = resource_list;
// store device power state
DeviceExt->DevicePowerState = PowerDeviceD0;
DeviceExt->SystemPowerState = PowerSystemWorking;
// notify power manager of current state
PowerState = *((POWER_STATE*)&DeviceExt->DevicePowerState);
PoSetPowerState(DeviceObject, DevicePowerState, PowerState);
Irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
case IRP_MN_REMOVE_DEVICE:
// Clean up
DPRINT("IRP_MN_REMOVE_DEVICE\n");
// sanity check
PC_ASSERT(DeviceExt);
// FIXME more cleanup */
if (DeviceExt->resources)
{
// free resource list */
DeviceExt->resources->Release();
// set to null
DeviceExt->resources = NULL;
}
// Forward request
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
return PcCompleteIrp(DeviceObject, Irp, Status);
case IRP_MN_QUERY_INTERFACE:
DPRINT("IRP_MN_QUERY_INTERFACE\n");
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
return PcCompleteIrp(DeviceObject, Irp, Status);
case IRP_MN_QUERY_DEVICE_RELATIONS:
DPRINT("IRP_MN_QUERY_DEVICE_RELATIONS\n");
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
return PcCompleteIrp(DeviceObject, Irp, Status);
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
DPRINT("IRP_MN_FILTER_RESOURCE_REQUIREMENTS\n");
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
return PcCompleteIrp(DeviceObject, Irp, Status);
case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
DPRINT("IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n");
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
return PcCompleteIrp(DeviceObject, Irp, Status);
case IRP_MN_READ_CONFIG:
DPRINT("IRP_MN_READ_CONFIG\n");
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
return PcCompleteIrp(DeviceObject, Irp, Status);
}
DPRINT("unhandled function %u\n", IoStack->MinorFunction);
Status = Irp->IoStatus.Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS
NTAPI
PortClsPower(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
PPCLASS_DEVICE_EXTENSION DeviceExtension;
PQUERY_POWER_CONTEXT PwrContext;
POWER_STATE PowerState;
NTSTATUS Status = STATUS_SUCCESS;
DPRINT("PortClsPower called\n");
// get currrent stack location
IoStack = IoGetCurrentIrpStackLocation(Irp);
if (IoStack->MinorFunction != IRP_MN_SET_POWER && IoStack->MinorFunction != IRP_MN_QUERY_POWER)
{
// just forward the request
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
// start next power irp
PoStartNextPowerIrp(Irp);
// complete request
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
// done
return Status;
}
// get device extension
DeviceExtension = (PPCLASS_DEVICE_EXTENSION) DeviceObject->DeviceExtension;
// get current request type
if (IoStack->Parameters.Power.Type == DevicePowerState)
{
// request for device power state
if (DeviceExtension->DevicePowerState == IoStack->Parameters.Power.State.DeviceState)
{
// nothing has changed
if (IoStack->MinorFunction == IRP_MN_QUERY_POWER)
{
// only forward query requests
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
}
// start next power irp
PoStartNextPowerIrp(Irp);
// complete request
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
// done
return Status;
}
if (IoStack->MinorFunction == IRP_MN_QUERY_POWER)
{
// check if there is a registered adapter power management
if (DeviceExtension->AdapterPowerManagement)
{
// it is query if the change can be changed
PowerState = *((POWER_STATE*)&IoStack->Parameters.Power.State.DeviceState);
Status = DeviceExtension->AdapterPowerManagement->QueryPowerChangeState(PowerState);
// sanity check
PC_ASSERT(Status == STATUS_SUCCESS);
}
// only forward query requests
PcForwardIrpSynchronous(DeviceObject, Irp);
// start next power irp
PoStartNextPowerIrp(Irp);
// complete request
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
// done
return Status;
}
else
{
// set power state
PowerState = *((POWER_STATE*)&IoStack->Parameters.Power.State.DeviceState);
PoSetPowerState(DeviceObject, DevicePowerState, PowerState);
// check if there is a registered adapter power management
if (DeviceExtension->AdapterPowerManagement)
{
// notify of a power change state
DeviceExtension->AdapterPowerManagement->PowerChangeState(PowerState);
}
// FIXME call all registered IPowerNotify interfaces via ISubdevice interface
// store new power state
DeviceExtension->DevicePowerState = IoStack->Parameters.Power.State.DeviceState;
// complete request
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
// done
return Status;
}
}
else
{
// sanity check
PC_ASSERT(IoStack->Parameters.Power.Type == SystemPowerState);
if (IoStack->MinorFunction == IRP_MN_QUERY_POWER)
{
// mark irp as pending
IoMarkIrpPending(Irp);
// allocate power completion context
PwrContext = (PQUERY_POWER_CONTEXT)AllocateItem(NonPagedPool, sizeof(QUERY_POWER_CONTEXT), TAG_PORTCLASS);
if (!PwrContext)
{
// no memory
PoStartNextPowerIrp(Irp);
// complete and forget
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
// done
return Status;
}
// setup power context
PwrContext->Irp = Irp;
PwrContext->DeviceObject = DeviceObject;
// pass the irp down
PowerState = *((POWER_STATE*)IoStack->Parameters.Power.State.SystemState);
Status = PoRequestPowerIrp(DeviceExtension->PhysicalDeviceObject, IoStack->MinorFunction, PowerState, PwrCompletionFunction, (PVOID)PwrContext, NULL);
// check for success
if (!NT_SUCCESS(Status))
{
// failed
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
// done
return Status;
}
// done
return STATUS_PENDING;
}
else
{
// set power request
DeviceExtension->SystemPowerState = IoStack->Parameters.Power.State.SystemState;
// only forward query requests
Status = PcForwardIrpSynchronous(DeviceObject, Irp);
// start next power irp
PoStartNextPowerIrp(Irp);
// complete request
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
// done
return Status;
}
}
}
NTSTATUS
NTAPI
PinPropertyHandler(
IN PIRP Irp,
IN PKSIDENTIFIER Request,
IN OUT PVOID Data)
{
PIO_STACK_LOCATION IoStack;
//PKSOBJECT_CREATE_ITEM CreateItem;
PSUBDEVICE_DESCRIPTOR Descriptor;
IIrpTarget * IrpTarget;
IPort *Port;
ISubdevice *SubDevice;
PDISPATCH_CONTEXT DispatchContext;
NTSTATUS Status = STATUS_UNSUCCESSFUL;
Descriptor = (PSUBDEVICE_DESCRIPTOR)KSPROPERTY_ITEM_IRP_STORAGE(Irp);
PC_ASSERT(Descriptor);
// get current irp stack
IoStack = IoGetCurrentIrpStackLocation(Irp);
// get dispatch context
DispatchContext = (PDISPATCH_CONTEXT)IoStack->FileObject->FsContext;
// Get the IrpTarget
IrpTarget = DispatchContext->Target;
PC_ASSERT(IrpTarget);
// Get the parent
Status = IrpTarget->QueryInterface(IID_IPort, (PVOID*)&Port);
if (!NT_SUCCESS(Status))
{
DPRINT("Failed to obtain IPort interface from filter\n");
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
return STATUS_UNSUCCESSFUL;
}
// Get private ISubdevice interface
Status = Port->QueryInterface(IID_ISubdevice, (PVOID*)&SubDevice);
if (!NT_SUCCESS(Status))
{
DPRINT("Failed to obtain ISubdevice interface from port driver\n");
DbgBreakPoint();
while(TRUE);
}
// get current stack location
IoStack = IoGetCurrentIrpStackLocation(Irp);
switch(Request->Id)
{
case KSPROPERTY_PIN_CTYPES:
case KSPROPERTY_PIN_DATAFLOW:
case KSPROPERTY_PIN_DATARANGES:
case KSPROPERTY_PIN_INTERFACES:
case KSPROPERTY_PIN_MEDIUMS:
case KSPROPERTY_PIN_COMMUNICATION:
case KSPROPERTY_PIN_CATEGORY:
case KSPROPERTY_PIN_NAME:
case KSPROPERTY_PIN_PROPOSEDATAFORMAT:
Status = KsPinPropertyHandler(Irp, Request, Data, Descriptor->Factory.PinDescriptorCount, Descriptor->Factory.KsPinDescriptor);
break;
case KSPROPERTY_PIN_GLOBALCINSTANCES:
Status = HandlePropertyInstances(&Irp->IoStatus, Request, Data, Descriptor, TRUE, SubDevice);
break;
case KSPROPERTY_PIN_CINSTANCES:
Status = HandlePropertyInstances(&Irp->IoStatus, Request, Data, Descriptor, FALSE, SubDevice);
break;
case KSPROPERTY_PIN_NECESSARYINSTANCES:
Status = HandleNecessaryPropertyInstances(&Irp->IoStatus, Request, Data, Descriptor, SubDevice);
break;
case KSPROPERTY_PIN_DATAINTERSECTION:
Status = HandleDataIntersection(&Irp->IoStatus, Request, Data, IoStack->Parameters.DeviceIoControl.OutputBufferLength, Descriptor, SubDevice);
break;
case KSPROPERTY_PIN_PHYSICALCONNECTION:
Status = HandlePhysicalConnection(&Irp->IoStatus, Request, IoStack->Parameters.DeviceIoControl.InputBufferLength, Data, IoStack->Parameters.DeviceIoControl.OutputBufferLength, Descriptor);
break;
case KSPROPERTY_PIN_CONSTRAINEDDATARANGES:
UNIMPLEMENTED
Status = STATUS_NOT_IMPLEMENTED;
break;
default:
UNIMPLEMENTED
Status = STATUS_UNSUCCESSFUL;
}
// Release reference
Port->Release();
// Release subdevice reference
SubDevice->Release();
return Status;
}
NTSTATUS
CHCDController::HandlePnp(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PIO_STACK_LOCATION IoStack;
PCOMMON_DEVICE_EXTENSION DeviceExtension;
PCM_RESOURCE_LIST RawResourceList;
PCM_RESOURCE_LIST TranslatedResourceList;
PDEVICE_RELATIONS DeviceRelations;
NTSTATUS Status;
//
// get device extension
//
DeviceExtension = (PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
//
// sanity check
//
PC_ASSERT(DeviceExtension->IsFDO);
//
// get current stack location
//
IoStack = IoGetCurrentIrpStackLocation(Irp);
switch(IoStack->MinorFunction)
{
case IRP_MN_START_DEVICE:
{
DPRINT("[%s] HandlePnp IRP_MN_START FDO\n", m_USBType);
//
// first start lower device object
//
Status = SyncForwardIrp(m_NextDeviceObject, Irp);
if (NT_SUCCESS(Status))
{
//
// operation succeeded, lets start the device
//
RawResourceList = IoStack->Parameters.StartDevice.AllocatedResources;
TranslatedResourceList = IoStack->Parameters.StartDevice.AllocatedResourcesTranslated;
if (m_Hardware)
{
//
// start the hardware
//
Status = m_Hardware->PnpStart(RawResourceList, TranslatedResourceList);
}
//
// enable symbolic link
//
Status = SetSymbolicLink(TRUE);
}
DPRINT("[%s] HandlePnp IRP_MN_START FDO: Status %x\n", m_USBType ,Status);
break;
}
case IRP_MN_QUERY_DEVICE_RELATIONS:
{
DPRINT("[%s] HandlePnp IRP_MN_QUERY_DEVICE_RELATIONS Type %lx\n", m_USBType, IoStack->Parameters.QueryDeviceRelations.Type);
if (m_HubController == NULL)
{
//
// create hub controller
//
Status = CreateHubController(&m_HubController);
if (!NT_SUCCESS(Status))
{
//
// failed to create hub controller
//
break;
}
//
// initialize hub controller
//
Status = m_HubController->Initialize(m_DriverObject, PHCDCONTROLLER(this), m_Hardware, TRUE, 0 /* FIXME*/);
if (!NT_SUCCESS(Status))
{
//
// failed to initialize hub controller
//
break;
}
//
// add reference to prevent it from getting deleting while hub driver adds / removes references
//
m_HubController->AddRef();
}
if (IoStack->Parameters.QueryDeviceRelations.Type == BusRelations)
{
//
// allocate device relations
//
DeviceRelations = (PDEVICE_RELATIONS)ExAllocatePool(PagedPool, sizeof(DEVICE_RELATIONS));
if (!DeviceRelations)
{
//
// no memory
//
Status = STATUS_INSUFFICIENT_RESOURCES;
break;
}
//
// init device relations
//
DeviceRelations->Count = 1;
Status = m_HubController->GetHubControllerDeviceObject(&DeviceRelations->Objects [0]);
//
// sanity check
//
PC_ASSERT(Status == STATUS_SUCCESS);
ObReferenceObject(DeviceRelations->Objects [0]);
//
// store result
//
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
Status = STATUS_SUCCESS;
}
else
{
//
// not supported
//
Status = STATUS_NOT_SUPPORTED;
}
break;
}
case IRP_MN_STOP_DEVICE:
{
DPRINT("[%s] HandlePnp IRP_MN_STOP_DEVICE\n", m_USBType);
if (m_Hardware)
{
//
// stop the hardware
//
Status = m_Hardware->PnpStop();
}
else
{
//
// fake success
//
Status = STATUS_SUCCESS;
}
if (NT_SUCCESS(Status))
{
//
// stop lower device
//
Status = SyncForwardIrp(m_NextDeviceObject, Irp);
}
break;
}
case IRP_MN_QUERY_REMOVE_DEVICE:
case IRP_MN_QUERY_STOP_DEVICE:
{
#if 0
//
// sure
//
Irp->IoStatus.Status = STATUS_SUCCESS;
//
// forward irp to next device object
//
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(m_NextDeviceObject, Irp);
#else
DPRINT1("[%s] Denying controller removal due to reinitialization bugs\n", m_USBType);
Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_UNSUCCESSFUL;
#endif
}
case IRP_MN_REMOVE_DEVICE:
{
DPRINT("[%s] HandlePnp IRP_MN_REMOVE_DEVICE FDO\n", m_USBType);
//
// delete the symbolic link
//
SetSymbolicLink(FALSE);
//
// forward irp to next device object
//
IoSkipCurrentIrpStackLocation(Irp);
IoCallDriver(m_NextDeviceObject, Irp);
//
// detach device from device stack
//
IoDetachDevice(m_NextDeviceObject);
//
// delete device
//
IoDeleteDevice(m_FunctionalDeviceObject);
return STATUS_SUCCESS;
}
default:
{
//
// forward irp to next device object
//
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(m_NextDeviceObject, Irp);
}
}
//
// store result and complete request
//
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
NTSTATUS
NTAPI
CPortPinWavePci::Close(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
NTSTATUS Status;
if (m_Format)
{
// free format
FreeItem(m_Format, TAG_PORTCLASS);
// format is freed
m_Format = NULL;
}
if (m_IrpQueue)
{
// cancel remaining irps
m_IrpQueue->CancelBuffers();
// release irp queue
m_IrpQueue->Release();
// queue is freed
m_IrpQueue = NULL;
}
if (m_ServiceGroup)
{
// remove member from service group
m_ServiceGroup->RemoveMember(PSERVICESINK(this));
// do not release service group, it is released by the miniport object
m_ServiceGroup = NULL;
}
if (m_Stream)
{
if (m_State != KSSTATE_STOP)
{
// stop stream
Status = m_Stream->SetState(KSSTATE_STOP);
if (!NT_SUCCESS(Status))
{
DPRINT("Warning: failed to stop stream with %x\n", Status);
PC_ASSERT(0);
}
}
// set state to stop
m_State = KSSTATE_STOP;
DPRINT("Closing stream at Irql %u\n", KeGetCurrentIrql());
// release stream
m_Stream->Release();
// stream is now freed
m_Stream = NULL;
}
if (m_Filter)
{
// disconnect pin from filter
m_Filter->FreePin((PPORTPINWAVEPCI)this);
// release filter reference
m_Filter->Release();
// pin is done with filter
m_Filter = NULL;
}
if (m_Port)
{
// release reference to port driver
m_Port->Release();
// work is done for port
m_Port = NULL;
}
// successfully complete irp
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}