| 1 | /* $Id: VBoxMPCommon.cpp 40566 2012-03-21 14:12:23Z vboxsync $ */
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| 2 |
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| 3 | /** @file
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| 4 | * VBox Miniport common utils
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2011 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #include "VBoxMPCommon.h"
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| 20 | #include <VBox/Hardware/VBoxVideoVBE.h>
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| 21 |
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| 22 | int VBoxMPCmnMapAdapterMemory(PVBOXMP_COMMON pCommon, void **ppv, uint32_t ulOffset, uint32_t ulSize)
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| 23 | {
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| 24 | PVBOXMP_DEVEXT pPEXT = VBoxCommonToPrimaryExt(pCommon);
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| 25 |
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| 26 | LOGF(("0x%08X[0x%X]", ulOffset, ulSize));
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| 27 |
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| 28 | if (!ulSize)
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| 29 | {
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| 30 | WARN(("Illegal length 0!"));
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| 31 | return ERROR_INVALID_PARAMETER;
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| 32 | }
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| 33 |
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| 34 | PHYSICAL_ADDRESS FrameBuffer;
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| 35 | FrameBuffer.QuadPart = VBoxCommonFromDeviceExt(pPEXT)->phVRAM.QuadPart + ulOffset;
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| 36 |
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| 37 | PVOID VideoRamBase = NULL;
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| 38 | ULONG VideoRamLength = ulSize;
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| 39 | VP_STATUS Status;
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| 40 | #ifndef VBOX_WITH_WDDM
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| 41 | ULONG inIoSpace = 0;
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| 42 |
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| 43 | Status = VideoPortMapMemory(pPEXT, FrameBuffer, &VideoRamLength, &inIoSpace, &VideoRamBase);
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| 44 | #else
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| 45 | NTSTATUS ntStatus = pPEXT->u.primary.DxgkInterface.DxgkCbMapMemory(pPEXT->u.primary.DxgkInterface.DeviceHandle,
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| 46 | FrameBuffer,
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| 47 | VideoRamLength,
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| 48 | FALSE, /* IN BOOLEAN InIoSpace */
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| 49 | FALSE, /* IN BOOLEAN MapToUserMode */
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| 50 | MmNonCached, /* IN MEMORY_CACHING_TYPE CacheType */
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| 51 | &VideoRamBase /*OUT PVOID *VirtualAddress*/
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| 52 | );
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| 53 | Assert(ntStatus == STATUS_SUCCESS);
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| 54 | /* this is what VideoPortMapMemory returns according to the docs */
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| 55 | Status = ntStatus == STATUS_SUCCESS ? NO_ERROR : ERROR_INVALID_PARAMETER;
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| 56 | #endif
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| 57 |
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| 58 | if (Status == NO_ERROR)
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| 59 | {
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| 60 | *ppv = VideoRamBase;
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| 61 | }
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| 62 |
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| 63 | LOGF(("rc = %d", Status));
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| 64 |
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| 65 | return (Status==NO_ERROR) ? VINF_SUCCESS:VERR_INVALID_PARAMETER;
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| 66 | }
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| 67 |
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| 68 | void VBoxMPCmnUnmapAdapterMemory(PVBOXMP_COMMON pCommon, void **ppv)
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| 69 | {
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| 70 | LOGF_ENTER();
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| 71 |
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| 72 | PVBOXMP_DEVEXT pPEXT = VBoxCommonToPrimaryExt(pCommon);
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| 73 |
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| 74 | if (*ppv)
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| 75 | {
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| 76 | #ifndef VBOX_WITH_WDDM
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| 77 | VP_STATUS Status;
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| 78 | Status = VideoPortUnmapMemory(pPEXT, *ppv, NULL);
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| 79 | VBOXMP_WARN_VPS(Status);
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| 80 | #else
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| 81 | NTSTATUS ntStatus;
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| 82 | ntStatus = pPEXT->u.primary.DxgkInterface.DxgkCbUnmapMemory(pPEXT->u.primary.DxgkInterface.DeviceHandle, *ppv);
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| 83 | Assert(ntStatus == STATUS_SUCCESS);
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| 84 | #endif
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| 85 | }
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| 86 |
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| 87 | *ppv = NULL;
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| 88 |
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| 89 | LOGF_LEAVE();
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| 90 | }
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| 91 |
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| 92 | bool VBoxMPCmnSyncToVideoIRQ(PVBOXMP_COMMON pCommon, PFNVIDEOIRQSYNC pfnSync, void *pvUser)
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| 93 | {
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| 94 | PVBOXMP_DEVEXT pPEXT = VBoxCommonToPrimaryExt(pCommon);
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| 95 | PMINIPORT_SYNCHRONIZE_ROUTINE pfnSyncMiniport = (PMINIPORT_SYNCHRONIZE_ROUTINE) pfnSync;
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| 96 |
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| 97 | #ifndef VBOX_WITH_WDDM
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| 98 | return !!VideoPortSynchronizeExecution(pPEXT, VpMediumPriority, pfnSyncMiniport, pvUser);
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| 99 | #else
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| 100 | BOOLEAN fRet;
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| 101 | DXGKCB_SYNCHRONIZE_EXECUTION pfnDxgkCbSync = pPEXT->u.primary.DxgkInterface.DxgkCbSynchronizeExecution;
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| 102 | HANDLE hDev = pPEXT->u.primary.DxgkInterface.DeviceHandle;
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| 103 | NTSTATUS ntStatus = pfnDxgkCbSync(hDev, pfnSyncMiniport, pvUser, 0, &fRet);
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| 104 | AssertReturn(ntStatus == STATUS_SUCCESS, false);
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| 105 | return !!fRet;
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| 106 | #endif
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| 107 | }
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