nefarius/qxl-wddm-dod
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qxl-wddm-dod/qxldod/QxlDod.cpp

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Basic VGA support
2013-12-09 11:55:42 +01:00
#include "driver.h"
#include "qxldod.h"
QxlDod::QxlDod(_In_ DEVICE_OBJECT* pPhysicalDeviceObject) : m_pPhysicalDevice(pPhysicalDeviceObject),
m_MonitorPowerState(PowerDeviceD0),
m_AdapterPowerState(PowerDeviceD0)
{
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
*((UINT*)&m_Flags) = 0;
RtlZeroMemory(&m_DxgkInterface, sizeof(m_DxgkInterface));
RtlZeroMemory(&m_DeviceInfo, sizeof(m_DeviceInfo));
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
}
QxlDod::~QxlDod(void)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
// CleanUp();
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
}
NTSTATUS QxlDod::StartDevice(_In_ DXGK_START_INFO* pDxgkStartInfo,
_In_ DXGKRNL_INTERFACE* pDxgkInterface,
_Out_ ULONG* pNumberOfViews,
_Out_ ULONG* pNumberOfChildren)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_INFORMATION, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pDxgkStartInfo != NULL);
QXL_ASSERT(pDxgkInterface != NULL);
QXL_ASSERT(pNumberOfViews != NULL);
QXL_ASSERT(pNumberOfChildren != NULL);
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
DXGK_DISPLAY_INFORMATION DisplayInfo;
RtlCopyMemory(&m_DxgkInterface, pDxgkInterface, sizeof(m_DxgkInterface));
// Get device information from OS.
NTSTATUS Status = m_DxgkInterface.DxgkCbGetDeviceInformation(m_DxgkInterface.DeviceHandle, &m_DeviceInfo);
if (!NT_SUCCESS(Status))
{
QXL_LOG_ASSERTION1("DxgkCbGetDeviceInformation failed with status 0x%X\n",
Status);
return Status;
}
Status = RegisterHWInfo();
if (!NT_SUCCESS(Status))
{
QXL_LOG_ASSERTION1("RegisterHWInfo failed with status 0x%X\n",
Status);
return Status;
}
// TODO: Uncomment the line below after updating the TODOs in the function CheckHardware
// Status = CheckHardware();
// if (!NT_SUCCESS(Status))
// {
// return Status;
// }
Status = VbeGetModeList();
if (!NT_SUCCESS(Status))
{
QXL_LOG_ASSERTION1("RegisterHWInfo failed with status 0x%X\n",
Status);
return Status;
}
// This sample driver only uses the frame buffer of the POST device. DxgkCbAcquirePostDisplayOwnership
// gives you the frame buffer address and ensures that no one else is drawing to it. Be sure to give it back!
Status = m_DxgkInterface.DxgkCbAcquirePostDisplayOwnership(m_DxgkInterface.DeviceHandle, &DisplayInfo);
if (!NT_SUCCESS(Status) || DisplayInfo.Width == 0)
{
// The most likely cause of failure is that the driver is simply not running on a POST device, or we are running
// after a pre-WDDM 1.2 driver. Since we can't draw anything, we should fail to start.
return STATUS_UNSUCCESSFUL;
}
*pNumberOfViews = MAX_VIEWS;
*pNumberOfChildren = MAX_CHILDREN;
m_Flags.DriverStarted = TRUE;
return STATUS_SUCCESS;
}
NTSTATUS QxlDod::StopDevice(VOID)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_INFORMATION, ("---> %s\n", __FUNCTION__));
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
m_Flags.DriverStarted = FALSE;
return STATUS_SUCCESS;
}
VOID QxlDod::CleanUp(VOID)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
}
NTSTATUS QxlDod::DispatchIoRequest(_In_ ULONG VidPnSourceId,
_In_ VIDEO_REQUEST_PACKET* pVideoRequestPacket)
{
PAGED_CODE();
UNREFERENCED_PARAMETER(VidPnSourceId);
UNREFERENCED_PARAMETER(pVideoRequestPacket);
DbgPrint(TRACE_LEVEL_INFORMATION, ("---> %s\n", __FUNCTION__));
return STATUS_SUCCESS;
}
NTSTATUS QxlDod::SetPowerState(_In_ ULONG HardwareUid,
_In_ DEVICE_POWER_STATE DevicePowerState,
_In_ POWER_ACTION ActionType)
{
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
DbgPrint(TRACE_LEVEL_INFORMATION, ("---> %s\n", __FUNCTION__));
if (HardwareUid == DISPLAY_ADAPTER_HW_ID)
{
if (DevicePowerState == PowerDeviceD0)
{
// When returning from D3 the device visibility defined to be off for all targets
if (m_AdapterPowerState == PowerDeviceD3)
{
DXGKARG_SETVIDPNSOURCEVISIBILITY Visibility;
Visibility.VidPnSourceId = D3DDDI_ID_ALL;
Visibility.Visible = FALSE;
SetVidPnSourceVisibility(&Visibility);
}
}
// Store new adapter power state
m_AdapterPowerState = DevicePowerState;
}
if ((ActionType == PowerActionHibernate) &&
(DevicePowerState > PowerDeviceD0))
{
ActionType = PowerActionHibernate;
}
else if ((ActionType >= PowerActionShutdown) &&
(ActionType < PowerActionWarmEject) &&
(DevicePowerState > PowerDeviceD0))
{
ActionType = PowerActionShutdown;
}
Status = VbeSetPowerState(ActionType);
DbgPrint(TRACE_LEVEL_INFORMATION, ("<--- %s\n", __FUNCTION__));
return Status;
}
NTSTATUS QxlDod::QueryChildRelations(_Out_writes_bytes_(ChildRelationsSize) DXGK_CHILD_DESCRIPTOR* pChildRelations,
_In_ ULONG ChildRelationsSize)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pChildRelations != NULL);
// The last DXGK_CHILD_DESCRIPTOR in the array of pChildRelations must remain zeroed out, so we subtract this from the count
ULONG ChildRelationsCount = (ChildRelationsSize / sizeof(DXGK_CHILD_DESCRIPTOR)) - 1;
QXL_ASSERT(ChildRelationsCount <= MAX_CHILDREN);
for (UINT ChildIndex = 0; ChildIndex < ChildRelationsCount; ++ChildIndex)
{
pChildRelations[ChildIndex].ChildDeviceType = TypeVideoOutput;
pChildRelations[ChildIndex].ChildCapabilities.HpdAwareness = HpdAwarenessAlwaysConnected;
pChildRelations[ChildIndex].ChildCapabilities.Type.VideoOutput.InterfaceTechnology = D3DKMDT_VOT_INTERNAL;
pChildRelations[ChildIndex].ChildCapabilities.Type.VideoOutput.MonitorOrientationAwareness = D3DKMDT_MOA_NONE;
pChildRelations[ChildIndex].ChildCapabilities.Type.VideoOutput.SupportsSdtvModes = FALSE;
// TODO: Replace 0 with the actual ACPI ID of the child device, if available
pChildRelations[ChildIndex].AcpiUid = 0;
pChildRelations[ChildIndex].ChildUid = ChildIndex;
}
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return STATUS_SUCCESS;
}
NTSTATUS QxlDod::QueryChildStatus(_Inout_ DXGK_CHILD_STATUS* pChildStatus,
_In_ BOOLEAN NonDestructiveOnly)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
UNREFERENCED_PARAMETER(NonDestructiveOnly);
QXL_ASSERT(pChildStatus != NULL);
QXL_ASSERT(pChildStatus->ChildUid < MAX_CHILDREN);
switch (pChildStatus->Type)
{
case StatusConnection:
{
// HpdAwarenessInterruptible was reported since HpdAwarenessNone is deprecated.
// However, BDD has no knowledge of HotPlug events, so just always return connected.
pChildStatus->HotPlug.Connected = IsDriverActive();
return STATUS_SUCCESS;
}
case StatusRotation:
{
// D3DKMDT_MOA_NONE was reported, so this should never be called
DbgPrint(TRACE_LEVEL_ERROR, ("Child status being queried for StatusRotation even though D3DKMDT_MOA_NONE was reported"));
return STATUS_INVALID_PARAMETER;
}
default:
{
DbgPrint(TRACE_LEVEL_WARNING, ("Unknown pChildStatus->Type (0x%I64x) requested.", pChildStatus->Type));
return STATUS_NOT_SUPPORTED;
}
}
}
// EDID retrieval
NTSTATUS QxlDod::QueryDeviceDescriptor(_In_ ULONG ChildUid,
_Inout_ DXGK_DEVICE_DESCRIPTOR* pDeviceDescriptor)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pDeviceDescriptor != NULL);
QXL_ASSERT(ChildUid < MAX_CHILDREN);
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return STATUS_MONITOR_NO_MORE_DESCRIPTOR_DATA;
}
NTSTATUS QxlDod::QueryAdapterInfo(_In_ CONST DXGKARG_QUERYADAPTERINFO* pQueryAdapterInfo)
{
PAGED_CODE();
QXL_ASSERT(pQueryAdapterInfo != NULL);
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
switch (pQueryAdapterInfo->Type)
{
case DXGKQAITYPE_DRIVERCAPS:
{
if (pQueryAdapterInfo->OutputDataSize < sizeof(DXGK_DRIVERCAPS))
{
DbgPrint(TRACE_LEVEL_ERROR, ("pQueryAdapterInfo->OutputDataSize (0x%I64x) is smaller than sizeof(DXGK_DRIVERCAPS) (0x%I64x)", pQueryAdapterInfo->OutputDataSize, sizeof(DXGK_DRIVERCAPS)));
return STATUS_BUFFER_TOO_SMALL;
}
DXGK_DRIVERCAPS* pDriverCaps = (DXGK_DRIVERCAPS*)pQueryAdapterInfo->pOutputData;
RtlZeroMemory(pDriverCaps, sizeof(DXGK_DRIVERCAPS));
pDriverCaps->WDDMVersion = DXGKDDI_WDDMv1_2;
pDriverCaps->HighestAcceptableAddress.QuadPart = -1;
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s 1\n", __FUNCTION__));
return STATUS_SUCCESS;
}
default:
{
// BDD does not need to support any other adapter information types
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return STATUS_NOT_SUPPORTED;
}
}
}
NTSTATUS QxlDod::SetPointerPosition(_In_ CONST DXGKARG_SETPOINTERPOSITION* pSetPointerPosition)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pSetPointerPosition != NULL);
QXL_ASSERT(pSetPointerPosition->VidPnSourceId < MAX_VIEWS);
if (!(pSetPointerPosition->Flags.Visible))
{
DbgPrint(TRACE_LEVEL_INFORMATION, ("<--- %s Cursor is not visible\n", __FUNCTION__));
return STATUS_SUCCESS;
}
DbgPrint(TRACE_LEVEL_INFORMATION, ("<--- %s cursor position X = %d, Y = %d\n", __FUNCTION__, pSetPointerPosition->X, pSetPointerPosition->Y));
return STATUS_UNSUCCESSFUL;
}
// Basic Sample Display Driver does not support hardware cursors, and reports such
// in QueryAdapterInfo. Therefore this function should never be called.
NTSTATUS QxlDod::SetPointerShape(_In_ CONST DXGKARG_SETPOINTERSHAPE* pSetPointerShape)
{
PAGED_CODE();
QXL_ASSERT(pSetPointerShape != NULL);
DbgPrint(TRACE_LEVEL_VERBOSE, ("<---> %s Height = %d, Width = %d, XHot= %d, YHot = %d\n", __FUNCTION__, pSetPointerShape->Height, pSetPointerShape->Width, pSetPointerShape->XHot, pSetPointerShape->YHot));
if (pSetPointerShape->Flags.Color)
{
}
else if (pSetPointerShape->Flags.Monochrome)
{
}
else
{
return STATUS_UNSUCCESSFUL;
}
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS QxlDod::Escape(_In_ CONST DXGKARG_ESCAPE* pEscape)
{
PAGED_CODE();
QXL_ASSERT(pEscape != NULL);
DbgPrint(TRACE_LEVEL_VERBOSE, ("<---> %s Flags = %d\n", __FUNCTION__, pEscape->Flags));
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS QxlDod::PresentDisplayOnly(_In_ CONST DXGKARG_PRESENT_DISPLAYONLY* pPresentDisplayOnly)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pPresentDisplayOnly != NULL);
QXL_ASSERT(pPresentDisplayOnly->VidPnSourceId < MAX_VIEWS);
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return STATUS_SUCCESS;
}
NTSTATUS QxlDod::QueryInterface(_In_ CONST PQUERY_INTERFACE pQueryInterface)
{
PAGED_CODE();
QXL_ASSERT(pQueryInterface != NULL);
DbgPrint(TRACE_LEVEL_VERBOSE, ("<---> %s Version = %d\n", __FUNCTION__, pQueryInterface->Version));
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS QxlDod::StopDeviceAndReleasePostDisplayOwnership(_In_ D3DDDI_VIDEO_PRESENT_TARGET_ID TargetId,
_Out_ DXGK_DISPLAY_INFORMATION* pDisplayInfo)
{
PAGED_CODE();
UNREFERENCED_PARAMETER(pDisplayInfo);
QXL_ASSERT(TargetId < MAX_CHILDREN);
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
return StopDevice();
}
NTSTATUS QxlDod::QueryVidPnHWCapability(_Inout_ DXGKARG_QUERYVIDPNHWCAPABILITY* pVidPnHWCaps)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pVidPnHWCaps != NULL);
QXL_ASSERT(pVidPnHWCaps->SourceId < MAX_VIEWS);
QXL_ASSERT(pVidPnHWCaps->TargetId < MAX_CHILDREN);
pVidPnHWCaps->VidPnHWCaps.DriverRotation = 1; // BDD does rotation in software
pVidPnHWCaps->VidPnHWCaps.DriverScaling = 0; // BDD does not support scaling
pVidPnHWCaps->VidPnHWCaps.DriverCloning = 0; // BDD does not support clone
pVidPnHWCaps->VidPnHWCaps.DriverColorConvert = 1; // BDD does color conversions in software
pVidPnHWCaps->VidPnHWCaps.DriverLinkedAdapaterOutput = 0; // BDD does not support linked adapters
pVidPnHWCaps->VidPnHWCaps.DriverRemoteDisplay = 0; // BDD does not support remote displays
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return STATUS_SUCCESS;
}
// TODO: Need to also check pinned modes and the path parameters, not just topology
NTSTATUS QxlDod::IsSupportedVidPn(_Inout_ DXGKARG_ISSUPPORTEDVIDPN* pIsSupportedVidPn)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pIsSupportedVidPn != NULL);
if (pIsSupportedVidPn->hDesiredVidPn == 0)
{
// A null desired VidPn is supported
pIsSupportedVidPn->IsVidPnSupported = TRUE;
return STATUS_SUCCESS;
}
// Default to not supported, until shown it is supported
pIsSupportedVidPn->IsVidPnSupported = FALSE;
CONST DXGK_VIDPN_INTERFACE* pVidPnInterface;
NTSTATUS Status = m_DxgkInterface.DxgkCbQueryVidPnInterface(pIsSupportedVidPn->hDesiredVidPn, DXGK_VIDPN_INTERFACE_VERSION_V1, &pVidPnInterface);
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("DxgkCbQueryVidPnInterface failed with Status = 0x%X, hDesiredVidPn = 0x%I64x\n", Status, pIsSupportedVidPn->hDesiredVidPn));
return Status;
}
D3DKMDT_HVIDPNTOPOLOGY hVidPnTopology;
CONST DXGK_VIDPNTOPOLOGY_INTERFACE* pVidPnTopologyInterface;
Status = pVidPnInterface->pfnGetTopology(pIsSupportedVidPn->hDesiredVidPn, &hVidPnTopology, &pVidPnTopologyInterface);
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("pfnGetTopology failed with Status = 0x%X, hDesiredVidPn = 0x%I64x\n", Status, pIsSupportedVidPn->hDesiredVidPn));
return Status;
}
// For every source in this topology, make sure they don't have more paths than there are targets
for (D3DDDI_VIDEO_PRESENT_SOURCE_ID SourceId = 0; SourceId < MAX_VIEWS; ++SourceId)
{
SIZE_T NumPathsFromSource = 0;
Status = pVidPnTopologyInterface->pfnGetNumPathsFromSource(hVidPnTopology, SourceId, &NumPathsFromSource);
if (Status == STATUS_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY)
{
continue;
}
else if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("pfnGetNumPathsFromSource failed with Status = 0x%X hVidPnTopology = 0x%I64x, SourceId = 0x%I64x",
Status, hVidPnTopology, SourceId));
return Status;
}
else if (NumPathsFromSource > MAX_CHILDREN)
{
// This VidPn is not supported, which has already been set as the default
return STATUS_SUCCESS;
}
}
// All sources succeeded so this VidPn is supported
pIsSupportedVidPn->IsVidPnSupported = TRUE;
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return STATUS_SUCCESS;
}
NTSTATUS QxlDod::RecommendFunctionalVidPn(_In_ CONST DXGKARG_RECOMMENDFUNCTIONALVIDPN* CONST pRecommendFunctionalVidPn)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("<---> %s\n", __FUNCTION__));
QXL_ASSERT(pRecommendFunctionalVidPn == NULL);
return STATUS_GRAPHICS_NO_RECOMMENDED_FUNCTIONAL_VIDPN;
}
NTSTATUS QxlDod::RecommendVidPnTopology(_In_ CONST DXGKARG_RECOMMENDVIDPNTOPOLOGY* CONST pRecommendVidPnTopology)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("<---> %s\n", __FUNCTION__));
QXL_ASSERT(pRecommendVidPnTopology == NULL);
return STATUS_GRAPHICS_NO_RECOMMENDED_FUNCTIONAL_VIDPN;
}
NTSTATUS QxlDod::RecommendMonitorModes(_In_ CONST DXGKARG_RECOMMENDMONITORMODES* CONST pRecommendMonitorModes)
{
PAGED_CODE();
NTSTATUS Status = STATUS_SUCCESS;
D3DKMDT_MONITOR_SOURCE_MODE* pMonitorSourceMode = NULL;
PVBE_MODEINFO pVbeModeInfo = NULL;
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
Status = pRecommendMonitorModes->pMonitorSourceModeSetInterface->pfnCreateNewModeInfo(pRecommendMonitorModes->hMonitorSourceModeSet, &pMonitorSourceMode);
if (!NT_SUCCESS(Status))
{
// If failed to create a new mode info, mode doesn't need to be released since it was never created
DbgPrint(TRACE_LEVEL_ERROR, ("pfnCreateNewModeInfo failed with Status = 0x%I64x, hMonitorSourceModeSet = 0x%I64x", Status, pRecommendMonitorModes->hMonitorSourceModeSet));
return Status;
}
pVbeModeInfo = &m_ModeInfo[m_CurrentMode];
pMonitorSourceMode->VideoSignalInfo.VideoStandard = D3DKMDT_VSS_OTHER;
pMonitorSourceMode->VideoSignalInfo.TotalSize.cx = pVbeModeInfo->XResolution;//m_CurrentModes[CorrespondingSourceId].DispInfo.Width;
pMonitorSourceMode->VideoSignalInfo.TotalSize.cy = pVbeModeInfo->YResolution;//m_CurrentModes[CorrespondingSourceId].DispInfo.Height;
pMonitorSourceMode->VideoSignalInfo.ActiveSize = pMonitorSourceMode->VideoSignalInfo.TotalSize;
pMonitorSourceMode->VideoSignalInfo.VSyncFreq.Numerator = D3DKMDT_FREQUENCY_NOTSPECIFIED;
pMonitorSourceMode->VideoSignalInfo.VSyncFreq.Denominator = D3DKMDT_FREQUENCY_NOTSPECIFIED;
pMonitorSourceMode->VideoSignalInfo.HSyncFreq.Numerator = D3DKMDT_FREQUENCY_NOTSPECIFIED;
pMonitorSourceMode->VideoSignalInfo.HSyncFreq.Denominator = D3DKMDT_FREQUENCY_NOTSPECIFIED;
pMonitorSourceMode->VideoSignalInfo.PixelRate = D3DKMDT_FREQUENCY_NOTSPECIFIED;
pMonitorSourceMode->VideoSignalInfo.ScanLineOrdering = D3DDDI_VSSLO_PROGRESSIVE;
// We set the preference to PREFERRED since this is the only supported mode
pMonitorSourceMode->Origin = D3DKMDT_MCO_DRIVER;
pMonitorSourceMode->Preference = D3DKMDT_MP_PREFERRED;
pMonitorSourceMode->ColorBasis = D3DKMDT_CB_SRGB;
pMonitorSourceMode->ColorCoeffDynamicRanges.FirstChannel = 8;
pMonitorSourceMode->ColorCoeffDynamicRanges.SecondChannel = 8;
pMonitorSourceMode->ColorCoeffDynamicRanges.ThirdChannel = 8;
pMonitorSourceMode->ColorCoeffDynamicRanges.FourthChannel = 8;
Status = pRecommendMonitorModes->pMonitorSourceModeSetInterface->pfnAddMode(pRecommendMonitorModes->hMonitorSourceModeSet, pMonitorSourceMode);
if (!NT_SUCCESS(Status))
{
if (Status != STATUS_GRAPHICS_MODE_ALREADY_IN_MODESET)
{
DbgPrint(TRACE_LEVEL_ERROR, ("pfnAddMode failed with Status = 0x%I64x, hMonitorSourceModeSet = 0x%I64x, pMonitorSourceMode = 0x%I64x",
Status, pRecommendMonitorModes->hMonitorSourceModeSet, pMonitorSourceMode));
}
else
{
Status = STATUS_SUCCESS;
}
// If adding the mode failed, release the mode, if this doesn't work there is nothing that can be done, some memory will get leaked
NTSTATUS TempStatus = pRecommendMonitorModes->pMonitorSourceModeSetInterface->pfnReleaseModeInfo(pRecommendMonitorModes->hMonitorSourceModeSet, pMonitorSourceMode);
UNREFERENCED_PARAMETER(TempStatus);
NT_ASSERT(NT_SUCCESS(TempStatus));
return Status;
}
// If AddMode succeeded with something other than STATUS_SUCCESS treat it as such anyway when propagating up
return STATUS_SUCCESS;
}
// Tell DMM about all the modes, etc. that are supported
NTSTATUS QxlDod::EnumVidPnCofuncModality(_In_ CONST DXGKARG_ENUMVIDPNCOFUNCMODALITY* CONST pEnumCofuncModality)
{
PAGED_CODE();
QXL_ASSERT(pEnumCofuncModality != NULL);
DbgPrint(TRACE_LEVEL_FATAL, ("---> %s\n", __FUNCTION__));
D3DKMDT_HVIDPNTOPOLOGY hVidPnTopology = 0;
D3DKMDT_HVIDPNSOURCEMODESET hVidPnSourceModeSet = 0;
D3DKMDT_HVIDPNTARGETMODESET hVidPnTargetModeSet = 0;
CONST DXGK_VIDPN_INTERFACE* pVidPnInterface = NULL;
CONST DXGK_VIDPNTOPOLOGY_INTERFACE* pVidPnTopologyInterface = NULL;
CONST DXGK_VIDPNSOURCEMODESET_INTERFACE* pVidPnSourceModeSetInterface = NULL;
CONST DXGK_VIDPNTARGETMODESET_INTERFACE* pVidPnTargetModeSetInterface = NULL;
CONST D3DKMDT_VIDPN_PRESENT_PATH* pVidPnPresentPath = NULL;
CONST D3DKMDT_VIDPN_PRESENT_PATH* pVidPnPresentPathTemp = NULL; // Used for AcquireNextPathInfo
CONST D3DKMDT_VIDPN_SOURCE_MODE* pVidPnPinnedSourceModeInfo = NULL;
CONST D3DKMDT_VIDPN_TARGET_MODE* pVidPnPinnedTargetModeInfo = NULL;
// Get the VidPn Interface so we can get the 'Source Mode Set', 'Target Mode Set' and 'VidPn Topology' interfaces
NTSTATUS Status = m_DxgkInterface.DxgkCbQueryVidPnInterface(pEnumCofuncModality->hConstrainingVidPn, DXGK_VIDPN_INTERFACE_VERSION_V1, &pVidPnInterface);
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("DxgkCbQueryVidPnInterface failed with Status = 0x%X, hFunctionalVidPn = 0x%I64x", Status, pEnumCofuncModality->hConstrainingVidPn));
return Status;
}
// Get the VidPn Topology interface so we can enumerate all paths
Status = pVidPnInterface->pfnGetTopology(pEnumCofuncModality->hConstrainingVidPn, &hVidPnTopology, &pVidPnTopologyInterface);
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("pfnGetTopology failed with Status = 0x%X, hFunctionalVidPn = 0x%I64x", Status, pEnumCofuncModality->hConstrainingVidPn));
return Status;
}
// Get the first path before we start looping through them
Status = pVidPnTopologyInterface->pfnAcquireFirstPathInfo(hVidPnTopology, &pVidPnPresentPath);
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("pfnAcquireFirstPathInfo failed with Status =0x%X, hVidPnTopology = 0x%I64x", Status, hVidPnTopology));
return Status;
}
// Loop through all available paths.
while (Status != STATUS_GRAPHICS_NO_MORE_ELEMENTS_IN_DATASET)
{
//FIXME
pVidPnPresentPathTemp = NULL; // Successfully released it
}// End: while loop for paths in topology
// If quit the while loop normally, set the return value to success
if (Status == STATUS_GRAPHICS_NO_MORE_ELEMENTS_IN_DATASET)
{
Status = STATUS_SUCCESS;
}
// Release any resources hanging around because the loop was quit early.
// Since in normal execution everything should be released by this point, TempStatus is initialized to a bogus error to be used as an
// assertion that if anything had to be released now (TempStatus changing) Status isn't successful.
NTSTATUS TempStatus = STATUS_NOT_FOUND;
if ((pVidPnSourceModeSetInterface != NULL) &&
(pVidPnPinnedSourceModeInfo != NULL))
{
TempStatus = pVidPnSourceModeSetInterface->pfnReleaseModeInfo(hVidPnSourceModeSet, pVidPnPinnedSourceModeInfo);
QXL_ASSERT_CHK(NT_SUCCESS(TempStatus));
}
if ((pVidPnTargetModeSetInterface != NULL) &&
(pVidPnPinnedTargetModeInfo != NULL))
{
TempStatus = pVidPnTargetModeSetInterface->pfnReleaseModeInfo(hVidPnTargetModeSet, pVidPnPinnedTargetModeInfo);
QXL_ASSERT_CHK(NT_SUCCESS(TempStatus));
}
if (pVidPnPresentPath != NULL)
{
TempStatus = pVidPnTopologyInterface->pfnReleasePathInfo(hVidPnTopology, pVidPnPresentPath);
QXL_ASSERT_CHK(NT_SUCCESS(TempStatus));
}
if (pVidPnPresentPathTemp != NULL)
{
TempStatus = pVidPnTopologyInterface->pfnReleasePathInfo(hVidPnTopology, pVidPnPresentPathTemp);
QXL_ASSERT_CHK(NT_SUCCESS(TempStatus));
}
if (hVidPnSourceModeSet != 0)
{
TempStatus = pVidPnInterface->pfnReleaseSourceModeSet(pEnumCofuncModality->hConstrainingVidPn, hVidPnSourceModeSet);
QXL_ASSERT_CHK(NT_SUCCESS(TempStatus));
}
if (hVidPnTargetModeSet != 0)
{
TempStatus = pVidPnInterface->pfnReleaseTargetModeSet(pEnumCofuncModality->hConstrainingVidPn, hVidPnTargetModeSet);
QXL_ASSERT_CHK(NT_SUCCESS(TempStatus));
}
QXL_ASSERT_CHK(TempStatus == STATUS_NOT_FOUND || Status != STATUS_SUCCESS);
DbgPrint(TRACE_LEVEL_FATAL, ("<--- %s\n", __FUNCTION__));
return Status;
}
NTSTATUS QxlDod::SetVidPnSourceVisibility(_In_ CONST DXGKARG_SETVIDPNSOURCEVISIBILITY* pSetVidPnSourceVisibility)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pSetVidPnSourceVisibility != NULL);
QXL_ASSERT((pSetVidPnSourceVisibility->VidPnSourceId < MAX_VIEWS) ||
(pSetVidPnSourceVisibility->VidPnSourceId == D3DDDI_ID_ALL));
UINT StartVidPnSourceId = (pSetVidPnSourceVisibility->VidPnSourceId == D3DDDI_ID_ALL) ? 0 : pSetVidPnSourceVisibility->VidPnSourceId;
UINT MaxVidPnSourceId = (pSetVidPnSourceVisibility->VidPnSourceId == D3DDDI_ID_ALL) ? MAX_VIEWS : pSetVidPnSourceVisibility->VidPnSourceId + 1;
for (UINT SourceId = StartVidPnSourceId; SourceId < MaxVidPnSourceId; ++SourceId)
{
if (pSetVidPnSourceVisibility->Visible)
{
// m_CurrentModes[SourceId].Flags.FullscreenPresent = TRUE;
}
else
{
// BlackOutScreen(SourceId);
}
// Store current visibility so it can be dealt with during Present call
// m_CurrentModes[SourceId].Flags.SourceNotVisible = !(pSetVidPnSourceVisibility->Visible);
}
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return STATUS_SUCCESS;
}
// NOTE: The value of pCommitVidPn->MonitorConnectivityChecks is ignored, since BDD is unable to recognize whether a monitor is connected or not
// The value of pCommitVidPn->hPrimaryAllocation is also ignored, since BDD is a display only driver and does not deal with allocations
NTSTATUS QxlDod::CommitVidPn(_In_ CONST DXGKARG_COMMITVIDPN* CONST pCommitVidPn)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pCommitVidPn != NULL);
QXL_ASSERT(pCommitVidPn->AffectedVidPnSourceId < MAX_VIEWS);
NTSTATUS Status = STATUS_SUCCESS;
//FIXME
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return Status;
}
NTSTATUS QxlDod::UpdateActiveVidPnPresentPath(_In_ CONST DXGKARG_UPDATEACTIVEVIDPNPRESENTPATH* CONST pUpdateActiveVidPnPresentPath)
{
PAGED_CODE();
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
QXL_ASSERT(pUpdateActiveVidPnPresentPath != NULL);
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return STATUS_SUCCESS;
}
//
// Non-Paged Code
//
#pragma code_seg(push)
#pragma code_seg()
VOID QxlDod::DpcRoutine(VOID)
{
DbgPrint(TRACE_LEVEL_INFORMATION, ("---> %s\n", __FUNCTION__));
m_DxgkInterface.DxgkCbNotifyDpc((HANDLE)m_DxgkInterface.DeviceHandle);
DbgPrint(TRACE_LEVEL_INFORMATION, ("<--- %s\n", __FUNCTION__));
}
BOOLEAN QxlDod::InterruptRoutine(_In_ ULONG MessageNumber)
{
UNREFERENCED_PARAMETER(MessageNumber);
DbgPrint(TRACE_LEVEL_INFORMATION, ("---> 0 %s\n", __FUNCTION__));
DbgPrint(TRACE_LEVEL_INFORMATION, ("<--- %s\n", __FUNCTION__));
return TRUE;
}
VOID QxlDod::ResetDevice(VOID)
{
DbgPrint(TRACE_LEVEL_VERBOSE, ("<---> %s\n", __FUNCTION__));
}
// Must be Non-Paged, as it sets up the display for a bugcheck
NTSTATUS QxlDod::SystemDisplayEnable(_In_ D3DDDI_VIDEO_PRESENT_TARGET_ID TargetId,
_In_ PDXGKARG_SYSTEM_DISPLAY_ENABLE_FLAGS Flags,
_Out_ UINT* pWidth,
_Out_ UINT* pHeight,
_Out_ D3DDDIFORMAT* pColorFormat)
{
UNREFERENCED_PARAMETER(Flags);
UNREFERENCED_PARAMETER(pColorFormat);
UNREFERENCED_PARAMETER(pWidth);
UNREFERENCED_PARAMETER(pHeight);
QXL_ASSERT((TargetId < MAX_CHILDREN) || (TargetId == D3DDDI_ID_UNINITIALIZED));
return STATUS_SUCCESS;
}
// Must be Non-Paged, as it is called to display the bugcheck screen
VOID QxlDod::SystemDisplayWrite(_In_reads_bytes_(SourceHeight * SourceStride) VOID* pSource,
_In_ UINT SourceWidth,
_In_ UINT SourceHeight,
_In_ UINT SourceStride,
_In_ INT PositionX,
_In_ INT PositionY)
{
UNREFERENCED_PARAMETER(pSource);
UNREFERENCED_PARAMETER(SourceStride);
// Rect will be Offset by PositionX/Y in the src to reset it back to 0
RECT Rect;
Rect.left = PositionX;
Rect.top = PositionY;
Rect.right = Rect.left + SourceWidth;
Rect.bottom = Rect.top + SourceHeight;
}
#pragma code_seg(pop) // End Non-Paged Code
NTSTATUS QxlDod::WriteHWInfoStr(_In_ HANDLE DevInstRegKeyHandle, _In_ PCWSTR pszwValueName, _In_ PCSTR pszValue)
{
PAGED_CODE();
NTSTATUS Status;
ANSI_STRING AnsiStrValue;
UNICODE_STRING UnicodeStrValue;
UNICODE_STRING UnicodeStrValueName;
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
// ZwSetValueKey wants the ValueName as a UNICODE_STRING
RtlInitUnicodeString(&UnicodeStrValueName, pszwValueName);
// REG_SZ is for WCHARs, there is no equivalent for CHARs
// Use the ansi/unicode conversion functions to get from PSTR to PWSTR
RtlInitAnsiString(&AnsiStrValue, pszValue);
Status = RtlAnsiStringToUnicodeString(&UnicodeStrValue, &AnsiStrValue, TRUE);
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("RtlAnsiStringToUnicodeString failed with Status: 0x%X\n", Status));
return Status;
}
// Write the value to the registry
Status = ZwSetValueKey(DevInstRegKeyHandle,
&UnicodeStrValueName,
0,
REG_SZ,
UnicodeStrValue.Buffer,
UnicodeStrValue.MaximumLength);
// Free the earlier allocated unicode string
RtlFreeUnicodeString(&UnicodeStrValue);
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("ZwSetValueKey failed with Status: 0x%X\n", Status));
}
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return Status;
}
NTSTATUS QxlDod::RegisterHWInfo()
{
PAGED_CODE();
NTSTATUS Status;
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
// TODO: Replace these strings with proper information
PCSTR StrHWInfoChipType = "QEMU QXL";
PCSTR StrHWInfoDacType = "QXL 1B36";
PCSTR StrHWInfoAdapterString = "QXL";
PCSTR StrHWInfoBiosString = "SEABIOS QXL";
HANDLE DevInstRegKeyHandle;
Status = IoOpenDeviceRegistryKey(m_pPhysicalDevice, PLUGPLAY_REGKEY_DRIVER, KEY_SET_VALUE, &DevInstRegKeyHandle);
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("IoOpenDeviceRegistryKey failed for PDO: 0x%I64x, Status: 0x%I64x", m_pPhysicalDevice, Status));
return Status;
}
Status = WriteHWInfoStr(DevInstRegKeyHandle, L"HardwareInformation.ChipType", StrHWInfoChipType);
if (!NT_SUCCESS(Status))
{
return Status;
}
Status = WriteHWInfoStr(DevInstRegKeyHandle, L"HardwareInformation.DacType", StrHWInfoDacType);
if (!NT_SUCCESS(Status))
{
return Status;
}
Status = WriteHWInfoStr(DevInstRegKeyHandle, L"HardwareInformation.AdapterString", StrHWInfoAdapterString);
if (!NT_SUCCESS(Status))
{
return Status;
}
Status = WriteHWInfoStr(DevInstRegKeyHandle, L"HardwareInformation.BiosString", StrHWInfoBiosString);
if (!NT_SUCCESS(Status))
{
return Status;
}
// MemorySize is a ULONG, unlike the others which are all strings
UNICODE_STRING ValueNameMemorySize;
RtlInitUnicodeString(&ValueNameMemorySize, L"HardwareInformation.MemorySize");
DWORD MemorySize = 0; // BDD has no access to video memory
Status = ZwSetValueKey(DevInstRegKeyHandle,
&ValueNameMemorySize,
0,
REG_DWORD,
&MemorySize,
sizeof(MemorySize));
if (!NT_SUCCESS(Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("ZwSetValueKey for MemorySize failed with Status: 0x%X\n", Status));
return Status;
}
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return Status;
}
NTSTATUS QxlDod::VbeGetModeList()
{
PAGED_CODE();
USHORT m_Segment;
USHORT m_Offset;
USHORT ModeCount;
ULONG SuitableModeCount;
USHORT ModeTemp;
USHORT CurrentMode;
PVBE_MODEINFO VbeModeInfo;
VBE_INFO VbeInfo = {0};
ULONG Length;
NTSTATUS Status = STATUS_SUCCESS;
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
//Get VBE Mode List
Length = 0x400;
Status = x86BiosAllocateBuffer (&Length, &m_Segment, &m_Offset);
if (!NT_SUCCESS (Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosAllocateBuffer failed with Status: 0x%X\n", Status));
return Status;
}
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosAllocateBuffer 0x%x (%x.%x)\n", VbeInfo.VideoModePtr, m_Segment, m_Offset));
Status = x86BiosWriteMemory (m_Segment, m_Offset, "VBE2", 4);
if (!NT_SUCCESS (Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosWriteMemory failed with Status: 0x%X\n", Status));
return Status;
}
X86BIOS_REGISTERS regs = {0};
regs.SegEs = m_Segment;
regs.Edi = m_Offset;
regs.Eax = 0x4F00;
if (!x86BiosCall (0x10, &regs) /* || (regs.Eax & 0xFF00) != 0x4F00 */)
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosCall failed\n"));
return STATUS_UNSUCCESSFUL;
}
Status = x86BiosReadMemory (m_Segment, m_Offset, &VbeInfo, sizeof (VbeInfo));
if (!NT_SUCCESS (Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosReadMemory failed with Status: 0x%X\n", Status));
return Status;
}
if (!RtlEqualMemory(VbeInfo.Signature, "VESA", 4))
{
DbgPrint(TRACE_LEVEL_ERROR, ("No VBE BIOS present\n"));
return STATUS_UNSUCCESSFUL;
}
DbgPrint(TRACE_LEVEL_ERROR, ("VBE BIOS Present (%d.%d, %8ld Kb)\n", VbeInfo.Version / 0x100, VbeInfo.Version & 0xFF, VbeInfo.TotalMemory * 64));
DbgPrint(TRACE_LEVEL_ERROR, ("Capabilities = 0x%x\n", VbeInfo.Capabilities));
DbgPrint(TRACE_LEVEL_ERROR, ("VideoModePtr = 0x%x (0x%x.0x%x)\n", VbeInfo.VideoModePtr, HIWORD( VbeInfo.VideoModePtr), LOWORD( VbeInfo.VideoModePtr)));
for (ModeCount = 0; ; ModeCount++)
{
/* Read the VBE mode number. */
Status = x86BiosReadMemory (
HIWORD(VbeInfo.VideoModePtr),
LOWORD(VbeInfo.VideoModePtr) + (ModeCount << 1),
&ModeTemp,
sizeof(ModeTemp));
if (!NT_SUCCESS (Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosReadMemory failed with Status: 0x%X\n", Status));
break;
}
/* End of list? */
if (ModeTemp == 0xFFFF || ModeTemp == 0)
{
break;
}
}
DbgPrint(TRACE_LEVEL_ERROR, ("ModeCount %d\n", ModeCount));
m_ModeInfo = reinterpret_cast<PVBE_MODEINFO> (new (PagedPool) BYTE[sizeof (VBE_MODEINFO) * ModeCount]);
m_ModeNumbers = reinterpret_cast<PUSHORT> (new (PagedPool) BYTE [sizeof (USHORT) * ModeCount]);
m_CurrentMode = 0;
DbgPrint(TRACE_LEVEL_ERROR, ("m_ModeInfo = 0x%p, m_ModeNumbers = 0x%p\n", m_ModeInfo, m_ModeNumbers));
for (CurrentMode = 0, SuitableModeCount = 0;
CurrentMode < ModeCount;
CurrentMode++)
{
Status = x86BiosReadMemory (
HIWORD(VbeInfo.VideoModePtr),
LOWORD(VbeInfo.VideoModePtr) + (CurrentMode << 1),
&ModeTemp,
sizeof(ModeTemp));
if (!NT_SUCCESS (Status))
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosReadMemory failed with Status: 0x%X\n", Status));
break;
}
DbgPrint(TRACE_LEVEL_ERROR, ("ModeTemp = 0x%X\n", ModeTemp));
RtlZeroMemory(&regs, sizeof(regs));
regs.Eax = 0x4F01;
regs.Ecx = ModeTemp;
regs.Edi = m_Offset + sizeof (VbeInfo);
regs.SegEs = m_Segment;
if (!x86BiosCall (0x10, &regs))
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosCall failed\n"));
return STATUS_UNSUCCESSFUL;
}
Status = x86BiosReadMemory (
m_Segment,
m_Offset + sizeof (VbeInfo),
m_ModeInfo + SuitableModeCount,
sizeof(VBE_MODEINFO));
VbeModeInfo = m_ModeInfo + SuitableModeCount;
if (VbeModeInfo->XResolution >= 1024 &&
VbeModeInfo->YResolution >= 768 &&
VbeModeInfo->BitsPerPixel == 32 &&
VbeModeInfo->PhysBasePtr != 0)
{
m_ModeNumbers[SuitableModeCount] = ModeTemp;
if (VbeModeInfo->XResolution == 1024 &&
VbeModeInfo->YResolution == 768)
{
m_CurrentMode = (USHORT)SuitableModeCount;
}
SuitableModeCount++;
}
}
if (SuitableModeCount == 0)
{
DbgPrint(TRACE_LEVEL_ERROR, ("No video modes supported\n"));
Status = STATUS_UNSUCCESSFUL;
}
m_ModeCount = SuitableModeCount;
DbgPrint(TRACE_LEVEL_ERROR, ("ModeCount filtered %d\n", m_ModeCount));
if (m_Segment != 0)
{
x86BiosFreeBuffer (m_Segment, m_Offset);
}
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return Status;
}
NTSTATUS QxlDod::VbeQueryCurrentMode(PVIDEO_MODE RequestedMode)
{
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
NTSTATUS Status = STATUS_SUCCESS;
PVBE_MODEINFO VBEMode = &m_ModeInfo[m_CurrentMode];
return Status;
}
NTSTATUS QxlDod::VbeSetCurrentMode(PVIDEO_MODE RequestedMode)
{
NTSTATUS Status = STATUS_SUCCESS;
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
X86BIOS_REGISTERS regs = {0};
regs.Eax = 0x4F02;
regs.Edx = m_ModeNumbers[RequestedMode->RequestedMode];
if (!x86BiosCall (0x10, &regs))
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosCall failed\n"));
return STATUS_UNSUCCESSFUL;
}
m_CurrentMode = (USHORT)RequestedMode->RequestedMode;
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return Status;
}
NTSTATUS QxlDod::VbeSetPowerState(POWER_ACTION ActionType)
{
NTSTATUS Status = STATUS_SUCCESS;
DbgPrint(TRACE_LEVEL_VERBOSE, ("---> %s\n", __FUNCTION__));
X86BIOS_REGISTERS regs = {0};
regs.Eax = 0x4F10;
regs.Ebx = 1;
switch (ActionType)
{
case PowerActionSleep: regs.Ebx |= 0x100; break;
case PowerActionHibernate: regs.Ebx |= 0x200; break;
case PowerActionShutdown:
case PowerActionShutdownReset:
case PowerActionShutdownOff: regs.Ebx |= 0x400; break;
}
if (!x86BiosCall (0x10, &regs))
{
DbgPrint(TRACE_LEVEL_ERROR, ("x86BiosCall failed\n"));
return STATUS_UNSUCCESSFUL;
}
DbgPrint(TRACE_LEVEL_VERBOSE, ("<--- %s\n", __FUNCTION__));
return Status;
}
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