_Use_decl_annotations_
NTSTATUS DriverEntry (
DRIVER_OBJECT* DriverObjectPtr,
UNICODE_STRING* RegistryPathPtr
)
{
PAGED_CODE();
//
// Initialize logging
//
{
WPP_INIT_TRACING(DriverObjectPtr, RegistryPathPtr);
RECORDER_CONFIGURE_PARAMS recorderConfigureParams;
RECORDER_CONFIGURE_PARAMS_INIT(&recorderConfigureParams);
WppRecorderConfigure(&recorderConfigureParams);
#if DBG
WPP_RECORDER_LEVEL_FILTER(BSC_TRACING_VERBOSE) = TRUE;
#endif // DBG
}
NTSTATUS status;
WDFDRIVER wdfDriver;
{
WDF_DRIVER_CONFIG wdfDriverConfig;
WDF_DRIVER_CONFIG_INIT(&wdfDriverConfig, OnDeviceAdd);
wdfDriverConfig.DriverPoolTag = BCM_I2C_POOL_TAG;
wdfDriverConfig.EvtDriverUnload = OnDriverUnload;
status = WdfDriverCreate(
DriverObjectPtr,
RegistryPathPtr,
WDF_NO_OBJECT_ATTRIBUTES,
&wdfDriverConfig,
&wdfDriver);
if (!NT_SUCCESS(status)) {
BSC_LOG_ERROR(
"Failed to create WDF driver object. (DriverObjectPtr = %p, RegistryPathPtr = %p)",
DriverObjectPtr,
RegistryPathPtr);
return status;
}
}
NT_ASSERT(NT_SUCCESS(status));
return STATUS_SUCCESS;
}
NTSTATUS RosKmdGlobal::DriverEntry(__in IN DRIVER_OBJECT* pDriverObject, __in IN UNICODE_STRING* pRegistryPath)
{
NTSTATUS Status;
DRIVER_INITIALIZATION_DATA DriverInitializationData;
NT_ASSERT(!RosKmdGlobal::s_pDriverObject);
RosKmdGlobal::s_pDriverObject = pDriverObject;
//
// Initialize logging
//
{
WPP_INIT_TRACING(pDriverObject, pRegistryPath);
RECORDER_CONFIGURE_PARAMS recorderConfigureParams;
RECORDER_CONFIGURE_PARAMS_INIT(&recorderConfigureParams);
WppRecorderConfigure(&recorderConfigureParams);
WPP_RECORDER_LEVEL_FILTER(ROS_TRACING_VIDPN) = FALSE;
WPP_RECORDER_LEVEL_FILTER(ROS_TRACING_PRESENT) = FALSE;
#if DBG
WPP_RECORDER_LEVEL_FILTER(ROS_TRACING_DEFAULT) = TRUE;
#endif // DBG
}
ROS_LOG_INFORMATION(
"Initializing roskmd. (pDriverObject=0x%p, pRegistryPath=%wZ)",
pDriverObject,
pRegistryPath);
if (s_bDoNotInstall)
{
ROS_LOG_INFORMATION("s_bDoNotInstall is set; aborting driver initialization.");
return STATUS_UNSUCCESSFUL;
}
//
// Allocate physically contiguous memory to represent cpu visible video memory
//
PHYSICAL_ADDRESS lowestAcceptableAddress;
lowestAcceptableAddress.QuadPart = 0;
PHYSICAL_ADDRESS highestAcceptableAddress;
highestAcceptableAddress.QuadPart = -1;
PHYSICAL_ADDRESS boundaryAddressMultiple;
boundaryAddressMultiple.QuadPart = 0;
s_videoMemorySize = kMaxVideoMemorySize;
while (s_pVideoMemory == NULL)
{
//
// The allocated contiguous memory is mapped as cached
//
// TODO[indyz]: Evaluate if flushing CPU cache for GPU access is the best option
//
// Use this option because GenerateRenderControlList has data alignment issue
//
s_pVideoMemory = MmAllocateContiguousMemorySpecifyCache(
s_videoMemorySize,
lowestAcceptableAddress,
highestAcceptableAddress,
boundaryAddressMultiple,
MmCached);
if (s_pVideoMemory != NULL)
{
break;
}
s_videoMemorySize >>= 1;
}
s_videoMemoryPhysicalAddress = MmGetPhysicalAddress(s_pVideoMemory);
//
// Query the driver registry key to see whether we're render only
//
{
OBJECT_ATTRIBUTES attributes;
InitializeObjectAttributes(
&attributes,
pRegistryPath,
OBJ_KERNEL_HANDLE,
nullptr, // RootDirectory
nullptr); // SecurityDescriptor
HANDLE keyHandle;
Status = ZwOpenKey(&keyHandle, GENERIC_READ, &attributes);
if (!NT_SUCCESS(Status))
{
ROS_LOG_ERROR(
"Failed to open driver registry key. (Status=%!STATUS!, pRegistryPath=%wZ, pDriverObject=0x%p)",
Status,
pRegistryPath,
pDriverObject);
return Status;
}
auto closeRegKey = ROS_FINALLY::Do([&]
{
PAGED_CODE();
NTSTATUS tempStatus = ZwClose(keyHandle);
UNREFERENCED_PARAMETER(tempStatus);
NT_ASSERT(NT_SUCCESS(tempStatus));
});
DECLARE_CONST_UNICODE_STRING(renderOnlyValueName, L"RenderOnly");
#pragma warning(disable:4201) // nameless struct/union
union {
KEY_VALUE_PARTIAL_INFORMATION PartialInfo;
struct {
ULONG TitleIndex;
ULONG Type;
ULONG DataLength;
ULONG Data;
} DUMMYSTRUCTNAME;
} valueInfo;
#pragma warning(default:4201) // nameless struct/union
ULONG resultLength;
Status = ZwQueryValueKey(
keyHandle,
const_cast<UNICODE_STRING*>(&renderOnlyValueName),
KeyValuePartialInformation,
&valueInfo.PartialInfo,
sizeof(valueInfo),
&resultLength);
if (NT_SUCCESS(Status))
{
if (valueInfo.Type == REG_DWORD)
{
NT_ASSERT(valueInfo.DataLength == sizeof(valueInfo.Data));
if (valueInfo.Data != 0)
{
ROS_LOG_INFORMATION("Configuring driver as render-only.");
s_bRenderOnly = true;
}
}
else
{
ROS_LOG_WARNING(
"RenderOnly registry value was found, but is not a REG_DWORD. (valueInfo.Type=%d, valueInfo.DataLength=%d)",
valueInfo.Type,
valueInfo.DataLength);
}
}
else if (Status != STATUS_OBJECT_NAME_NOT_FOUND)
{
ROS_LOG_ASSERTION(
"Unexpected error occurred querying RenderOnly registry key. (Status=%!STATUS!)",
Status);
// an unexpected type in the registry could cause us to get here,
// so don't stop the show.
}
} // RenderOnly
//
// Fill in the DriverInitializationData structure and call DlInitialize()
//
memset(&DriverInitializationData, 0, sizeof(DriverInitializationData));
DriverInitializationData.Version = DXGKDDI_INTERFACE_VERSION;
DriverInitializationData.DxgkDdiAddDevice = RosKmdDdi::DdiAddAdapter;
DriverInitializationData.DxgkDdiStartDevice = RosKmdDdi::DdiStartAdapter;
DriverInitializationData.DxgkDdiStopDevice = RosKmdDdi::DdiStopAdapter;
DriverInitializationData.DxgkDdiRemoveDevice = RosKmdDdi::DdiRemoveAdapter;
DriverInitializationData.DxgkDdiDispatchIoRequest = RosKmdDdi::DdiDispatchIoRequest;
DriverInitializationData.DxgkDdiInterruptRoutine = RosKmdDdi::DdiInterruptRoutine;
DriverInitializationData.DxgkDdiDpcRoutine = RosKmdDdi::DdiDpcRoutine;
DriverInitializationData.DxgkDdiQueryChildRelations = RosKmdDdi::DdiQueryChildRelations;
DriverInitializationData.DxgkDdiQueryChildStatus = RosKmdDdi::DdiQueryChildStatus;
DriverInitializationData.DxgkDdiQueryDeviceDescriptor = RosKmdDdi::DdiQueryDeviceDescriptor;
DriverInitializationData.DxgkDdiSetPowerState = RosKmdDdi::DdiSetPowerState;
DriverInitializationData.DxgkDdiNotifyAcpiEvent = RosKmdDdi::DdiNotifyAcpiEvent;
DriverInitializationData.DxgkDdiResetDevice = RosKmdDdi::DdiResetDevice;
DriverInitializationData.DxgkDdiUnload = RosKmdGlobal::DdiUnload;
DriverInitializationData.DxgkDdiQueryInterface = RosKmdDdi::DdiQueryInterface;
DriverInitializationData.DxgkDdiControlEtwLogging = RosKmdGlobal::DdiControlEtwLogging;
DriverInitializationData.DxgkDdiQueryAdapterInfo = RosKmdDdi::DdiQueryAdapterInfo;
DriverInitializationData.DxgkDdiCreateDevice = RosKmDevice::DdiCreateDevice;
DriverInitializationData.DxgkDdiCreateAllocation = RosKmdDdi::DdiCreateAllocation;
DriverInitializationData.DxgkDdiDestroyAllocation = RosKmdDdi::DdiDestroyAllocation;
DriverInitializationData.DxgkDdiDescribeAllocation = RosKmdDdi::DdiDescribeAllocation;
DriverInitializationData.DxgkDdiGetStandardAllocationDriverData = RosKmdDdi::DdiGetStandardAllocationDriverData;
// DriverInitializationData.DxgkDdiAcquireSwizzlingRange = RosKmdAcquireSwizzlingRange;
// DriverInitializationData.DxgkDdiReleaseSwizzlingRange = RosKmdReleaseSwizzlingRange;
DriverInitializationData.DxgkDdiOpenAllocation = RosKmdDdi::DdiOpenAllocation;
DriverInitializationData.DxgkDdiCloseAllocation = RosKmDevice::DdiCloseAllocation;
DriverInitializationData.DxgkDdiPatch = RosKmdDdi::DdiPatch;
DriverInitializationData.DxgkDdiSubmitCommand = RosKmdDdi::DdiSubmitCommand;
DriverInitializationData.DxgkDdiBuildPagingBuffer = RosKmdDdi::DdiBuildPagingBuffer;
DriverInitializationData.DxgkDdiPreemptCommand = RosKmdDdi::DdiPreemptCommand;
DriverInitializationData.DxgkDdiDestroyDevice = RosKmDevice::DdiDestroyDevice;
DriverInitializationData.DxgkDdiRender = RosKmContext::DdiRender;
DriverInitializationData.DxgkDdiPresent = RosKmdDdi::DdiPresent;
DriverInitializationData.DxgkDdiResetFromTimeout = RosKmdDdi::DdiResetFromTimeout;
DriverInitializationData.DxgkDdiRestartFromTimeout = RosKmdDdi::DdiRestartFromTimeout;
DriverInitializationData.DxgkDdiEscape = RosKmdDdi::DdiEscape;
DriverInitializationData.DxgkDdiCollectDbgInfo = RosKmdDdi::DdiCollectDbgInfo;
DriverInitializationData.DxgkDdiQueryCurrentFence = RosKmdDdi::DdiQueryCurrentFence;
DriverInitializationData.DxgkDdiControlInterrupt = RosKmdDdi::DdiControlInterrupt;
DriverInitializationData.DxgkDdiCreateContext = RosKmContext::DdiCreateContext;
DriverInitializationData.DxgkDdiDestroyContext = RosKmContext::DdiDestroyContext;
DriverInitializationData.DxgkDdiRenderKm = RosKmdDdi::DdiRenderKm;
//
// Fill in DDI routines for resetting individual engine
//
DriverInitializationData.DxgkDdiQueryDependentEngineGroup = RosKmdDdi::DdiQueryDependentEngineGroup;
DriverInitializationData.DxgkDdiQueryEngineStatus = RosKmdDdi::DdiQueryEngineStatus;
DriverInitializationData.DxgkDdiResetEngine = RosKmdDdi::DdiResetEngine;
//
// Fill in DDI for canceling DMA buffers
//
DriverInitializationData.DxgkDdiCancelCommand = RosKmdDdi::DdiCancelCommand;
//
// Fill in DDI for component power management
//
DriverInitializationData.DxgkDdiSetPowerComponentFState = RosKmdDdi::DdiSetPowerComponentFState;
DriverInitializationData.DxgkDdiPowerRuntimeControlRequest = RosKmdDdi::DdiPowerRuntimeControlRequest;
DriverInitializationData.DxgkDdiGetNodeMetadata = RosKmdDdi::DdiGetNodeMetadata;
DriverInitializationData.DxgkDdiSubmitCommandVirtual = RosKmdDdi::DdiSubmitCommandVirtual;
DriverInitializationData.DxgkDdiCreateProcess = RosKmdDdi::DdiCreateProcess;
DriverInitializationData.DxgkDdiDestroyProcess = RosKmdDdi::DdiDestroyProcess;
DriverInitializationData.DxgkDdiCalibrateGpuClock = RosKmdDdi::DdiCalibrateGpuClock;
DriverInitializationData.DxgkDdiSetStablePowerState = RosKmdDdi::DdiSetStablePowerState;
//
// Register display subsystem DDIS.
// Refer to adapterdisplay.cxx:ADAPTER_DISPLAY::CreateDisplayCore() for
// required DDIs.
//
if (!IsRenderOnly())
{
DriverInitializationData.DxgkDdiSetPalette = RosKmdDisplayDdi::DdiSetPalette;
DriverInitializationData.DxgkDdiSetPointerPosition = RosKmdDisplayDdi::DdiSetPointerPosition;
DriverInitializationData.DxgkDdiSetPointerShape = RosKmdDisplayDdi::DdiSetPointerShape;
DriverInitializationData.DxgkDdiIsSupportedVidPn = RosKmdDisplayDdi::DdiIsSupportedVidPn;
DriverInitializationData.DxgkDdiRecommendFunctionalVidPn = RosKmdDisplayDdi::DdiRecommendFunctionalVidPn;
DriverInitializationData.DxgkDdiEnumVidPnCofuncModality = RosKmdDisplayDdi::DdiEnumVidPnCofuncModality;
DriverInitializationData.DxgkDdiSetVidPnSourceAddress = RosKmdDisplayDdi::DdiSetVidPnSourceAddress;
DriverInitializationData.DxgkDdiSetVidPnSourceVisibility = RosKmdDisplayDdi::DdiSetVidPnSourceVisibility;
DriverInitializationData.DxgkDdiCommitVidPn = RosKmdDisplayDdi::DdiCommitVidPn;
DriverInitializationData.DxgkDdiUpdateActiveVidPnPresentPath = RosKmdDisplayDdi::DdiUpdateActiveVidPnPresentPath;
DriverInitializationData.DxgkDdiRecommendMonitorModes = RosKmdDisplayDdi::DdiRecommendMonitorModes;
DriverInitializationData.DxgkDdiGetScanLine = RosKmdDisplayDdi::DdiGetScanLine;
DriverInitializationData.DxgkDdiQueryVidPnHWCapability = RosKmdDisplayDdi::DdiQueryVidPnHWCapability;
DriverInitializationData.DxgkDdiStopDeviceAndReleasePostDisplayOwnership = RosKmdDisplayDdi::DdiStopDeviceAndReleasePostDisplayOwnership;
}
Status = DxgkInitialize(pDriverObject, pRegistryPath, &DriverInitializationData);
if (!NT_SUCCESS(Status))
{
return Status;
}
return Status;
}
