NTSTATUS vboxWddmRegQueryDisplaySettingsKeyName(PVBOXMP_DEVEXT pDevExt, D3DDDI_VIDEO_PRESENT_SOURCE_ID VidPnSourceId,
ULONG cbBuf, PWCHAR pBuf, PULONG pcbResult)
{
NTSTATUS Status = STATUS_SUCCESS;
PWCHAR pSuffix;
bool bFallback = false;
const WCHAR* pKeyPrefix;
UINT cbKeyPrefix;
UNICODE_STRING* pVGuid = vboxWddmVGuidGet(pDevExt);
Assert(pVGuid);
if (!pVGuid)
return STATUS_UNSUCCESSFUL;
vboxWinVersion_t ver = VBoxQueryWinVersion();
if (ver == WINVISTA)
{
pKeyPrefix = VBOXWDDM_REG_DISPLAYSETTINGSKEY_PREFIX_VISTA;
cbKeyPrefix = sizeof (VBOXWDDM_REG_DISPLAYSETTINGSKEY_PREFIX_VISTA);
}
else
{
Assert(ver == WIN7);
pKeyPrefix = VBOXWDDM_REG_DISPLAYSETTINGSKEY_PREFIX_WIN7;
cbKeyPrefix = sizeof (VBOXWDDM_REG_DISPLAYSETTINGSKEY_PREFIX_WIN7);
}
ULONG cbResult = cbKeyPrefix + pVGuid->Length + 2 + 8; // L"\\" + "XXXX"
if (cbBuf >= cbResult)
{
wcscpy(pBuf, pKeyPrefix);
pSuffix = pBuf + (cbKeyPrefix-2)/2;
memcpy(pSuffix, pVGuid->Buffer, pVGuid->Length);
pSuffix += pVGuid->Length/2;
pSuffix[0] = L'\\';
pSuffix += 1;
swprintf(pSuffix, L"%04d", VidPnSourceId);
}
else
{
Status = STATUS_BUFFER_TOO_SMALL;
}
*pcbResult = cbResult;
return Status;
}
/* Video Miniport Driver entry point */
ULONG DriverEntry(IN PVOID Context1, IN PVOID Context2)
{
PAGED_CODE();
int irc = RTR0Init(0);
if (RT_FAILURE(irc))
{
LogRel(("VBoxMP::failed to init IPRT (rc=%#x)", irc));
return ERROR_INVALID_FUNCTION;
}
LOGF_ENTER();
LOGREL(("VBox XPDM Driver for Windows version %d.%d.%dr%d, %d bit; Built %s %s",
VBOX_VERSION_MAJOR, VBOX_VERSION_MINOR, VBOX_VERSION_BUILD, VBOX_SVN_REV,
(sizeof (void*) << 3), __DATE__, __TIME__));
VIDEO_HW_INITIALIZATION_DATA vhwData;
/*Zero the structure*/
VideoPortZeroMemory(&vhwData, sizeof(vhwData));
/*Required driver callbacks*/
vhwData.HwFindAdapter = VBoxDrvFindAdapter;
vhwData.HwInitialize = VBoxDrvInitialize;
vhwData.HwStartIO = VBoxDrvStartIO;
vhwData.HwSetPowerState = VBoxDrvSetPowerState;
vhwData.HwGetPowerState = VBoxDrvGetPowerState;
vhwData.HwGetVideoChildDescriptor = VBoxDrvGetVideoChildDescriptor;
/*Optional callbacks*/
vhwData.HwResetHw = VBoxDrvResetHW;
#ifdef VBOX_WITH_VIDEOHWACCEL
vhwData.HwInterrupt = VBoxDrvInterrupt;
#endif
/*Our private storage space*/
vhwData.HwDeviceExtensionSize = sizeof(VBOXMP_DEVEXT);
/*Claim legacy VGA resource ranges*/
vhwData.HwLegacyResourceList = g_aVBoxLegacyVGAResources;
vhwData.HwLegacyResourceCount = RT_ELEMENTS(g_aVBoxLegacyVGAResources);
/*Size of this structure changes between windows/ddk versions,
*so we query current version and report the expected size
*to allow our driver to be loaded.
*/
switch (VBoxQueryWinVersion(NULL))
{
case WINVERSION_NT4:
LOG(("WINVERSION_NT4"));
vhwData.HwInitDataSize = SIZE_OF_NT4_VIDEO_HW_INITIALIZATION_DATA;
break;
case WINVERSION_2K:
LOG(("WINVERSION_2K"));
vhwData.HwInitDataSize = SIZE_OF_W2K_VIDEO_HW_INITIALIZATION_DATA;
break;
default:
vhwData.HwInitDataSize = sizeof(VIDEO_HW_INITIALIZATION_DATA);
break;
}
/*Even though msdn claims that this field is ignored and should remain zero-initialized,
windows NT4 SP0 dies without the following line.
*/
vhwData.AdapterInterfaceType = PCIBus;
/*Allocate system resources*/
ULONG rc = VideoPortInitialize(Context1, Context2, &vhwData, NULL);
if (rc != NO_ERROR)
LOG(("VideoPortInitialize failed with %#x", rc));
LOGF_LEAVE();
return rc;
}
/* Checks if we have a device supported by our driver and initialize
* our driver/card specific information.
* In particular we obtain VM monitors configuration and configure related structures.
*/
static VP_STATUS
VBoxDrvFindAdapter(IN PVOID HwDeviceExtension, IN PVOID HwContext, IN PWSTR ArgumentString,
IN OUT PVIDEO_PORT_CONFIG_INFO ConfigInfo, OUT PUCHAR Again)
{
RT_NOREF(HwContext, ArgumentString, Again);
PVBOXMP_DEVEXT pExt = (PVBOXMP_DEVEXT) HwDeviceExtension;
VP_STATUS rc;
USHORT DispiId;
ULONG cbVRAM = VBE_DISPI_TOTAL_VIDEO_MEMORY_BYTES;
PHYSICAL_ADDRESS phVRAM = {0};
ULONG ulApertureSize = 0;
PAGED_CODE();
LOGF_ENTER();
/* Init video port api */
VBoxSetupVideoPortAPI(pExt, ConfigInfo);
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ID);
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA, VBE_DISPI_ID2);
DispiId = VideoPortReadPortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA);
if (DispiId != VBE_DISPI_ID2)
{
WARN(("VBE card not found, returning ERROR_DEV_NOT_EXIST"));
return ERROR_DEV_NOT_EXIST;
}
LOG(("found the VBE card"));
/*
* Query the adapter's memory size. It's a bit of a hack, we just read
* an ULONG from the data port without setting an index before.
*/
cbVRAM = VideoPortReadPortUlong((PULONG)VBE_DISPI_IOPORT_DATA);
/* Write hw information to registry, so that it's visible in windows property dialog */
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.ChipType",
g_wszVBoxChipType, sizeof(g_wszVBoxChipType));
VBOXMP_WARN_VPS(rc);
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.DacType",
g_wszVBoxDACType, sizeof(g_wszVBoxDACType));
VBOXMP_WARN_VPS(rc);
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.MemorySize",
&cbVRAM, sizeof(ULONG));
VBOXMP_WARN_VPS(rc);
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.AdapterString",
g_wszVBoxAdapterString, sizeof(g_wszVBoxAdapterString));
VBOXMP_WARN_VPS(rc);
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.BiosString",
g_wszVBoxBiosString, sizeof(g_wszVBoxBiosString));
VBOXMP_WARN_VPS(rc);
/* Call VideoPortGetAccessRanges to ensure interrupt info in ConfigInfo gets set up
* and to get LFB aperture data.
*/
{
VIDEO_ACCESS_RANGE tmpRanges[4];
ULONG slot = 0;
VideoPortZeroMemory(tmpRanges, sizeof(tmpRanges));
if (VBoxQueryWinVersion(NULL) == WINVERSION_NT4)
{
/* NT crashes if either of 'vendorId, 'deviceId' or 'slot' parameters is NULL,
* and needs PCI ids for a successful VideoPortGetAccessRanges call.
*/
ULONG vendorId = 0x80EE;
ULONG deviceId = 0xBEEF;
rc = VideoPortGetAccessRanges(pExt, 0, NULL, RT_ELEMENTS(tmpRanges), tmpRanges,
&vendorId, &deviceId, &slot);
}
else
{
rc = VideoPortGetAccessRanges(pExt, 0, NULL, RT_ELEMENTS(tmpRanges), tmpRanges, NULL, NULL, &slot);
}
VBOXMP_WARN_VPS(rc);
if (rc != NO_ERROR) {
return rc;
}
/* The first non-IO range is the framebuffer. We require that information. */
for (int iRange = 0; iRange < RT_ELEMENTS(tmpRanges); ++iRange)
{
if (!tmpRanges[iRange].RangeInIoSpace)
{
phVRAM = tmpRanges[iRange].RangeStart;
ulApertureSize = tmpRanges[iRange].RangeLength;
break;
}
}
}
/* Initialize VBoxGuest library, which is used for requests which go through VMMDev. */
rc = VbglR0InitClient();
VBOXMP_WARN_VPS(rc);
/* Preinitialize the primary extension. */
pExt->pNext = NULL;
pExt->pPrimary = pExt;
pExt->iDevice = 0;
pExt->ulFrameBufferOffset = 0;
pExt->ulFrameBufferSize = 0;
pExt->u.primary.ulVbvaEnabled = 0;
VideoPortZeroMemory(&pExt->areaDisplay, sizeof(HGSMIAREA));
/* Guest supports only HGSMI, the old VBVA via VMMDev is not supported. Old
* code will be ifdef'ed and later removed.
* The host will however support both old and new interface to keep compatibility
* with old guest additions.
*/
VBoxSetupDisplaysHGSMI(&pExt->u.primary.commonInfo, phVRAM, ulApertureSize, cbVRAM, 0);
/* Check if the chip restricts horizontal resolution or not.
* Must be done after VBoxSetupDisplaysHGSMI, because it initializes the common structure.
*/
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ID);
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA, VBE_DISPI_ID_ANYX);
DispiId = VideoPortReadPortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA);
if (DispiId == VBE_DISPI_ID_ANYX)
VBoxCommonFromDeviceExt(pExt)->fAnyX = TRUE;
else
VBoxCommonFromDeviceExt(pExt)->fAnyX = FALSE;
if (pExt->u.primary.commonInfo.bHGSMI)
{
LOGREL(("using HGSMI"));
VBoxCreateDisplays(pExt, ConfigInfo);
}
/** @todo pretend success to make the driver work. */
rc = NO_ERROR;
LOGF_LEAVE();
VBOXMP_WARN_VPS(rc);
return rc;
}
/*Query video port for api functions or fill with stubs if those are not supported*/
void VBoxSetupVideoPortAPI(PVBOXMP_DEVEXT pExt, PVIDEO_PORT_CONFIG_INFO pConfigInfo)
{
VBOXVIDEOPORTPROCS *pAPI = &pExt->u.primary.VideoPortProcs;
VideoPortZeroMemory(pAPI, sizeof(VBOXVIDEOPORTPROCS));
if (VBoxQueryWinVersion() <= WINVERSION_NT4)
{
/* VideoPortGetProcAddress is available for >= win2k */
pAPI->pfnWaitForSingleObject = vboxWaitForSingleObjectVoid;
pAPI->pfnSetEvent = vboxSetEventVoid;
pAPI->pfnClearEvent = vboxClearEventVoid;
pAPI->pfnCreateEvent = vboxCreateEventVoid;
pAPI->pfnDeleteEvent = vboxDeleteEventVoid;
pAPI->pfnAllocatePool = vboxAllocatePoolVoid;
pAPI->pfnFreePool = vboxFreePoolVoid;
pAPI->pfnQueueDpc = vboxQueueDpcVoid;
pAPI->pfnCreateSecondaryDisplay = vboxCreateSecondaryDisplayVoid;
return;
}
VP_GETPROC(pfnWaitForSingleObject, PFNWAITFORSINGLEOBJECT, "VideoPortWaitForSingleObject");
VP_GETPROC(pfnSetEvent, PFNSETEVENT, "VideoPortSetEvent");
VP_GETPROC(pfnClearEvent, PFNCLEAREVENT, "VideoPortClearEvent");
VP_GETPROC(pfnCreateEvent, PFNCREATEEVENT, "VideoPortCreateEvent");
VP_GETPROC(pfnDeleteEvent, PFNDELETEEVENT, "VideoPortDeleteEvent");
if(pAPI->pfnWaitForSingleObject
&& pAPI->pfnSetEvent
&& pAPI->pfnClearEvent
&& pAPI->pfnCreateEvent
&& pAPI->pfnDeleteEvent)
{
pAPI->fSupportedTypes |= VBOXVIDEOPORTPROCS_EVENT;
}
else
{
pAPI->pfnWaitForSingleObject = vboxWaitForSingleObjectVoid;
pAPI->pfnSetEvent = vboxSetEventVoid;
pAPI->pfnClearEvent = vboxClearEventVoid;
pAPI->pfnCreateEvent = vboxCreateEventVoid;
pAPI->pfnDeleteEvent = vboxDeleteEventVoid;
}
VP_GETPROC(pfnAllocatePool, PFNALLOCATEPOOL, "VideoPortAllocatePool");
VP_GETPROC(pfnFreePool, PFNFREEPOOL, "VideoPortFreePool");
if(pAPI->pfnAllocatePool
&& pAPI->pfnFreePool)
{
pAPI->fSupportedTypes |= VBOXVIDEOPORTPROCS_POOL;
}
else
{
pAPI->pfnAllocatePool = vboxAllocatePoolVoid;
pAPI->pfnFreePool = vboxFreePoolVoid;
}
VP_GETPROC(pfnQueueDpc, PFNQUEUEDPC, "VideoPortQueueDpc");
if(pAPI->pfnQueueDpc)
{
pAPI->fSupportedTypes |= VBOXVIDEOPORTPROCS_DPC;
}
else
{
pAPI->pfnQueueDpc = vboxQueueDpcVoid;
}
VP_GETPROC(pfnCreateSecondaryDisplay, PFNCREATESECONDARYDISPLAY, "VideoPortCreateSecondaryDisplay");
if (pAPI->pfnCreateSecondaryDisplay)
{
pAPI->fSupportedTypes |= VBOXVIDEOPORTPROCS_CSD;
}
else
{
pAPI->pfnCreateSecondaryDisplay = vboxCreateSecondaryDisplayVoid;
}
}
/* Helper function to dynamically build our table of standard video
* modes. We take the amount of VRAM and create modes with standard
* geometries until we've either reached the maximum number of modes
* or the available VRAM does not allow for additional modes.
* We also check registry for manually added video modes.
* Returns number of modes added to the table.
*/
static uint32_t
VBoxMPFillModesTable(PVBOXMP_DEVEXT pExt, int iDisplay, PVIDEO_MODE_INFORMATION pModesTable, size_t tableSize,
int32_t *pPrefModeIdx)
{
/* the resolution matrix */
struct
{
uint16_t xRes;
uint16_t yRes;
} resolutionMatrix[] =
{
/* standard modes */
{ 640, 480 },
{ 800, 600 },
{ 1024, 768 },
{ 1152, 864 },
{ 1280, 960 },
{ 1280, 1024 },
{ 1400, 1050 },
{ 1600, 1200 },
{ 1920, 1440 },
#ifndef VBOX_WITH_WDDM
/* multi screen modes with 1280x1024 */
{ 2560, 1024 },
{ 3840, 1024 },
{ 5120, 1024 },
/* multi screen modes with 1600x1200 */
{ 3200, 1200 },
{ 4800, 1200 },
{ 6400, 1200 },
#endif
};
#ifdef VBOX_XPDM_MINIPORT
ULONG vramSize = pExt->pPrimary->u.primary.ulMaxFrameBufferSize;
#else
ULONG vramSize = vboxWddmVramCpuVisibleSegmentSize(pExt);
vramSize /= pExt->u.primary.commonInfo.cDisplays;
# ifdef VBOX_WDDM_WIN8
if (!g_VBoxDisplayOnly)
# endif
{
/* at least two surfaces will be needed: primary & shadow */
vramSize /= 2;
}
vramSize &= ~PAGE_OFFSET_MASK;
#endif
uint32_t iMode=0, iPrefIdx=0;
/* there are 4 color depths: 8, 16, 24 and 32bpp and we reserve 50% of the modes for other sources */
size_t maxModesPerColorDepth = VBOXMP_MAX_VIDEO_MODES / 2 / 4;
/* Always add 800x600 video modes. Windows XP+ needs at least 800x600 resolution
* and fallbacks to 800x600x4bpp VGA mode if the driver did not report suitable modes.
* This resolution could be rejected by a low resolution host (netbooks, etc).
*/
#ifdef VBOX_WITH_8BPP_MODES
int bytesPerPixel=1;
#else
int bytesPerPixel=2;
#endif
for (; bytesPerPixel<=4; bytesPerPixel++)
{
int bitsPerPixel = 8*bytesPerPixel;
if (800*600*bytesPerPixel > (LONG)vramSize)
{
/* we don't have enough VRAM for this mode */
continue;
}
if (!VBoxMPValidateVideoModeParamsGuest(pExt, iMode, 800, 600, bitsPerPixel))
continue;
VBoxFillVidModeInfo(&pModesTable[iMode], 800, 600, bitsPerPixel, iMode+1, 0);
if (32==bitsPerPixel)
{
iPrefIdx = iMode;
}
++iMode;
}
/* Query yoffset from the host */
ULONG yOffset = VBoxGetHeightReduction();
/* Iterate through our static resolution table and add supported video modes for different bpp's */
#ifdef VBOX_WITH_8BPP_MODES
bytesPerPixel=1;
#else
bytesPerPixel=2;
#endif
for (; bytesPerPixel<=4; bytesPerPixel++)
{
int bitsPerPixel = 8*bytesPerPixel;
size_t cAdded, resIndex;
for (cAdded=0, resIndex=0; resIndex<RT_ELEMENTS(resolutionMatrix) && cAdded<maxModesPerColorDepth; resIndex++)
{
if (resolutionMatrix[resIndex].xRes * resolutionMatrix[resIndex].yRes * bytesPerPixel > (LONG)vramSize)
{
/* we don't have enough VRAM for this mode */
continue;
}
if (yOffset == 0 && resolutionMatrix[resIndex].xRes == 800 && resolutionMatrix[resIndex].yRes == 600)
{
/* this mode was already added */
continue;
}
if (
#ifdef VBOX_WDDM_MINIPORT
/* 1024x768 resolution is a minimal resolutions for win8 to make most metro apps run.
* For small host display resolutions, host will dislike the mode 1024x768 and above
* if the framebuffer window requires scrolling to fit the guest resolution.
* So add 1024x768 resolution for win8 guest to allow user switch to it */
( (VBoxQueryWinVersion() != WIN8 && VBoxQueryWinVersion() != WIN81)
|| resolutionMatrix[resIndex].xRes != 1024
|| resolutionMatrix[resIndex].yRes != 768)
&&
#endif
!VBoxLikesVideoMode(iDisplay, resolutionMatrix[resIndex].xRes,
resolutionMatrix[resIndex].yRes - yOffset, bitsPerPixel))
{
/* host doesn't like this mode */
continue;
}
if (!VBoxMPValidateVideoModeParamsGuest(pExt, iDisplay, resolutionMatrix[resIndex].xRes, resolutionMatrix[resIndex].yRes, bitsPerPixel))
{
/* guest does not like this mode */
continue;
}
/* Sanity check, we shouldn't ever get here */
if (iMode >= tableSize)
{
WARN(("video modes table overflow!"));
break;
}
VBoxFillVidModeInfo(&pModesTable[iMode], resolutionMatrix[resIndex].xRes, resolutionMatrix[resIndex].yRes, bitsPerPixel, iMode+1, yOffset);
++iMode;
++cAdded;
}
}
/* Check registry for manually added modes, up to 128 entries is supported
* Give up on the first error encountered.
*/
VBOXMPCMNREGISTRY Registry;
int fPrefSet=0;
VP_STATUS rc;
rc = VBoxMPCmnRegInit(pExt, &Registry);
VBOXMP_WARN_VPS(rc);
for (int curKey=0; curKey<128; curKey++)
{
if (iMode>=tableSize)
{
WARN(("ignoring possible custom mode(s), table is full!"));
break;
}
wchar_t keyname[24];
uint32_t xres, yres, bpp = 0;
swprintf(keyname, L"CustomMode%dWidth", curKey);
rc = VBoxMPCmnRegQueryDword(Registry, keyname, &xres);
VBOXMP_CHECK_VPS_BREAK(rc);
swprintf(keyname, L"CustomMode%dHeight", curKey);
rc = VBoxMPCmnRegQueryDword(Registry, keyname, &yres);
VBOXMP_CHECK_VPS_BREAK(rc);
swprintf(keyname, L"CustomMode%dBPP", curKey);
rc = VBoxMPCmnRegQueryDword(Registry, keyname, &bpp);
VBOXMP_CHECK_VPS_BREAK(rc);
LOG(("got custom mode[%u]=%ux%u:%u", curKey, xres, yres, bpp));
/* round down width to be a multiple of 8 if necessary */
if (!VBoxCommonFromDeviceExt(pExt)->fAnyX)
{
xres &= 0xFFF8;
}
if ( (xres > (1 << 16))
|| (yres > (1 << 16))
|| ( (bpp != 16)
&& (bpp != 24)
&& (bpp != 32)))
{
/* incorrect values */
break;
}
/* does it fit within our VRAM? */
if (xres * yres * (bpp / 8) > vramSize)
{
/* we don't have enough VRAM for this mode */
break;
}
if (!VBoxLikesVideoMode(iDisplay, xres, yres, bpp))
{
/* host doesn't like this mode */
break;
}
if (!VBoxMPValidateVideoModeParamsGuest(pExt, iDisplay, xres, yres, bpp))
{
/* guest does not like this mode */
continue;
}
LOG(("adding video mode from registry."));
VBoxFillVidModeInfo(&pModesTable[iMode], xres, yres, bpp, iMode+1, yOffset);
if (!fPrefSet)
{
fPrefSet = 1;
iPrefIdx = iMode;
}
#ifdef VBOX_WDDM_MINIPORT
/*check if the same mode has been added to the table already*/
int foundIdx = VBoxMPFindVideoMode(pModesTable, iMode, &pModesTable[iMode]);
if (foundIdx>=0)
{
if (iPrefIdx==iMode)
{
iPrefIdx=foundIdx;
}
}
else
#endif
{
++iMode;
}
}
rc = VBoxMPCmnRegFini(Registry);
VBOXMP_WARN_VPS(rc);
if (pPrefModeIdx)
{
*pPrefModeIdx = iPrefIdx;
}
return iMode;
}
/* Checks if we have a device supported by our driver and initialize
* our driver/card specific information.
* In particular we obtain VM monitors configuration and configure related structures.
*/
static VP_STATUS
VBoxDrvFindAdapter(IN PVOID HwDeviceExtension, IN PVOID HwContext, IN PWSTR ArgumentString,
IN OUT PVIDEO_PORT_CONFIG_INFO ConfigInfo, OUT PUCHAR Again)
{
PVBOXMP_DEVEXT pExt = (PVBOXMP_DEVEXT) HwDeviceExtension;
VP_STATUS rc;
USHORT DispiId;
ULONG AdapterMemorySize = VBE_DISPI_TOTAL_VIDEO_MEMORY_BYTES;
PAGED_CODE();
LOGF_ENTER();
/* Init video port api */
VBoxSetupVideoPortAPI(pExt, ConfigInfo);
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_INDEX, VBE_DISPI_INDEX_ID);
VideoPortWritePortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA, VBE_DISPI_ID2);
DispiId = VideoPortReadPortUshort((PUSHORT)VBE_DISPI_IOPORT_DATA);
if (DispiId != VBE_DISPI_ID2)
{
WARN(("VBE card not found, returning ERROR_DEV_NOT_EXIST"));
return ERROR_DEV_NOT_EXIST;
}
LOG(("found the VBE card"));
/*
* Query the adapter's memory size. It's a bit of a hack, we just read
* an ULONG from the data port without setting an index before.
*/
AdapterMemorySize = VideoPortReadPortUlong((PULONG)VBE_DISPI_IOPORT_DATA);
/* Write hw information to registry, so that it's visible in windows property dialog */
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.ChipType",
VBoxChipType, sizeof(VBoxChipType));
VBOXMP_WARN_VPS(rc);
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.DacType",
VBoxDACType, sizeof(VBoxDACType));
VBOXMP_WARN_VPS(rc);
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.MemorySize",
&AdapterMemorySize, sizeof(ULONG));
VBOXMP_WARN_VPS(rc);
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.AdapterString",
VBoxAdapterString, sizeof(VBoxAdapterString));
VBOXMP_WARN_VPS(rc);
rc = VideoPortSetRegistryParameters(pExt, L"HardwareInformation.BiosString",
VBoxBiosString, sizeof(VBoxBiosString));
VBOXMP_WARN_VPS(rc);
/* Call VideoPortGetAccessRanges to ensure interrupt info in ConfigInfo gets set up */
{
VIDEO_ACCESS_RANGE tmpRanges[4];
ULONG slot = 0;
VideoPortZeroMemory(tmpRanges, sizeof(tmpRanges));
if (VBoxQueryWinVersion() == WINNT4)
{
/* NT crashes if either of 'vendorId, 'deviceId' or 'slot' parameters is NULL,
* and needs PCI ids for a successful VideoPortGetAccessRanges call.
*/
ULONG vendorId = 0x80EE;
ULONG deviceId = 0xBEEF;
rc = VideoPortGetAccessRanges(pExt, 0, NULL, RT_ELEMENTS(tmpRanges), tmpRanges,
&vendorId, &deviceId, &slot);
}
else
{
rc = VideoPortGetAccessRanges(pExt, 0, NULL, RT_ELEMENTS(tmpRanges), tmpRanges, NULL, NULL, &slot);
}
VBOXMP_WARN_VPS(rc);
}
/* Initialize VBoxGuest library, which is used for requests which go through VMMDev. */
rc = VbglInit();
VBOXMP_WARN_VPS(rc);
/* Preinitialize the primary extension. */
pExt->pNext = NULL;
pExt->pPrimary = pExt;
pExt->iDevice = 0;
pExt->ulFrameBufferOffset = 0;
pExt->ulFrameBufferSize = 0;
pExt->u.primary.ulVbvaEnabled = 0;
VideoPortZeroMemory(&pExt->areaDisplay, sizeof(HGSMIAREA));
/* Guest supports only HGSMI, the old VBVA via VMMDev is not supported. Old
* code will be ifdef'ed and later removed.
* The host will however support both old and new interface to keep compatibility
* with old guest additions.
*/
VBoxSetupDisplaysHGSMI(&pExt->u.primary.commonInfo, AdapterMemorySize, 0);
if (pExt->u.primary.commonInfo.bHGSMI)
{
LOGREL(("using HGSMI"));
VBoxCreateDisplays(pExt, ConfigInfo);
}
/** @todo pretend success to make the driver work. */
rc = NO_ERROR;
LOGF_LEAVE();
VBOXMP_WARN_VPS(rc);
return rc;
}
