| 1 | /* $Id: VBoxMPShgsmi.h 76540 2018-12-30 06:26:37Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox WDDM Miniport driver
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2011-2017 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ___VBoxMPShgsmi_h___
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| 19 | #define ___VBoxMPShgsmi_h___
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include <iprt/cdefs.h>
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| 25 | #include <VBoxVideo.h>
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| 26 |
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| 27 | #include "common/VBoxMPUtils.h"
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| 28 |
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| 29 | typedef struct VBOXSHGSMI
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| 30 | {
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| 31 | KSPIN_LOCK HeapLock;
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| 32 | HGSMIHEAP Heap;
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| 33 | } VBOXSHGSMI, *PVBOXSHGSMI;
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| 34 |
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| 35 | typedef DECLCALLBACK(void) FNVBOXSHGSMICMDCOMPLETION(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvCmd, void *pvContext);
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| 36 | typedef FNVBOXSHGSMICMDCOMPLETION *PFNVBOXSHGSMICMDCOMPLETION;
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| 37 |
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| 38 | typedef DECLCALLBACK(PFNVBOXSHGSMICMDCOMPLETION) FNVBOXSHGSMICMDCOMPLETION_IRQ(PVBOXSHGSMI pHeap,
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| 39 | void RT_UNTRUSTED_VOLATILE_HOST *pvCmd,
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| 40 | void *pvContext, void **ppvCompletion);
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| 41 | typedef FNVBOXSHGSMICMDCOMPLETION_IRQ *PFNVBOXSHGSMICMDCOMPLETION_IRQ;
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| 42 |
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| 43 |
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| 44 | const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *
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| 45 | VBoxSHGSMICommandPrepAsynchEvent(PVBOXSHGSMI pHeap, PVOID pvBuff, RTSEMEVENT hEventSem);
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| 46 | const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *
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| 47 | VBoxSHGSMICommandPrepSynch(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvCmd);
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| 48 | const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *
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| 49 | VBoxSHGSMICommandPrepAsynch(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuff,
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| 50 | PFNVBOXSHGSMICMDCOMPLETION pfnCompletion, void RT_UNTRUSTED_VOLATILE_HOST *pvCompletion,
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| 51 | uint32_t fFlags);
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| 52 | const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *
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| 53 | VBoxSHGSMICommandPrepAsynchIrq(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuff,
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| 54 | PFNVBOXSHGSMICMDCOMPLETION_IRQ pfnCompletion, PVOID pvCompletion, uint32_t fFlags);
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| 55 |
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| 56 | void VBoxSHGSMICommandDoneAsynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader);
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| 57 | int VBoxSHGSMICommandDoneSynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader);
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| 58 | void VBoxSHGSMICommandCancelAsynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader);
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| 59 | void VBoxSHGSMICommandCancelSynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader);
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| 60 |
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| 61 | DECLINLINE(HGSMIOFFSET) VBoxSHGSMICommandOffset(const PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader)
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| 62 | {
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| 63 | return HGSMIHeapBufferOffset(&pHeap->Heap, (void*)pHeader);
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| 64 | }
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| 65 |
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| 66 | /* allows getting VRAM offset of arbitrary pointer within the SHGSMI command
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| 67 | * if invalid pointer is passed in, behavior is undefined */
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| 68 | DECLINLINE(HGSMIOFFSET) VBoxSHGSMICommandPtrOffset(const PVBOXSHGSMI pHeap, const void RT_UNTRUSTED_VOLATILE_HOST *pvPtr)
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| 69 | {
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| 70 | return HGSMIPointerToOffset(&pHeap->Heap.area, (const HGSMIBUFFERHEADER RT_UNTRUSTED_VOLATILE_HOST *)pvPtr);
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| 71 | }
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| 72 |
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| 73 | int VBoxSHGSMIInit(PVBOXSHGSMI pHeap, void *pvBase, HGSMISIZE cbArea, HGSMIOFFSET offBase, const HGSMIENV *pEnv);
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| 74 | void VBoxSHGSMITerm(PVBOXSHGSMI pHeap);
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| 75 | void RT_UNTRUSTED_VOLATILE_HOST *VBoxSHGSMIHeapAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData, uint8_t u8Channel, uint16_t u16ChannelInfo);
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| 76 | void VBoxSHGSMIHeapFree(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuffer);
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| 77 | void RT_UNTRUSTED_VOLATILE_HOST *VBoxSHGSMIHeapBufferAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData);
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| 78 | void VBoxSHGSMIHeapBufferFree(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuffer);
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| 79 | void RT_UNTRUSTED_VOLATILE_HOST *VBoxSHGSMICommandAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData, uint8_t u8Channel, uint16_t u16ChannelInfo);
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| 80 | void VBoxSHGSMICommandFree(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuffer);
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| 81 | int VBoxSHGSMICommandProcessCompletion(PVBOXSHGSMI pHeap, VBOXSHGSMIHEADER* pCmd, bool bIrq, struct VBOXVTLIST * pPostProcessList);
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| 82 | int VBoxSHGSMICommandPostprocessCompletion(PVBOXSHGSMI pHeap, struct VBOXVTLIST * pPostProcessList);
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| 83 |
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| 84 | #endif /* #ifndef ___VBoxMPShgsmi_h___ */
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