| 1 | /* $Id: VBoxMPShgsmi.h 96407 2022-08-22 17:43:14Z 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) 2011-2022 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPShgsmi_h
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| 29 | #define GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPShgsmi_h
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| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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| 34 | #include <iprt/cdefs.h>
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| 35 | #include <VBoxVideo.h>
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| 36 |
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| 37 | #include "common/VBoxMPUtils.h"
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| 38 |
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| 39 | typedef struct VBOXSHGSMI
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| 40 | {
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| 41 | KSPIN_LOCK HeapLock;
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| 42 | HGSMIHEAP Heap;
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| 43 | } VBOXSHGSMI, *PVBOXSHGSMI;
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| 44 |
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| 45 | typedef DECLCALLBACKTYPE(void, FNVBOXSHGSMICMDCOMPLETION,(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvCmd, void *pvContext));
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| 46 | typedef FNVBOXSHGSMICMDCOMPLETION *PFNVBOXSHGSMICMDCOMPLETION;
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| 47 |
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| 48 | typedef DECLCALLBACKTYPE(PFNVBOXSHGSMICMDCOMPLETION, FNVBOXSHGSMICMDCOMPLETION_IRQ,(PVBOXSHGSMI pHeap,
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| 49 | void RT_UNTRUSTED_VOLATILE_HOST *pvCmd,
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| 50 | void *pvContext, void **ppvCompletion));
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| 51 | typedef FNVBOXSHGSMICMDCOMPLETION_IRQ *PFNVBOXSHGSMICMDCOMPLETION_IRQ;
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| 52 |
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| 53 |
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| 54 | const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *
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| 55 | VBoxSHGSMICommandPrepAsynchEvent(PVBOXSHGSMI pHeap, PVOID pvBuff, RTSEMEVENT hEventSem);
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| 56 | const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *
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| 57 | VBoxSHGSMICommandPrepSynch(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvCmd);
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| 58 | const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *
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| 59 | VBoxSHGSMICommandPrepAsynch(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuff,
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| 60 | PFNVBOXSHGSMICMDCOMPLETION pfnCompletion, void RT_UNTRUSTED_VOLATILE_HOST *pvCompletion,
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| 61 | uint32_t fFlags);
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| 62 | const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *
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| 63 | VBoxSHGSMICommandPrepAsynchIrq(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuff,
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| 64 | PFNVBOXSHGSMICMDCOMPLETION_IRQ pfnCompletion, PVOID pvCompletion, uint32_t fFlags);
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| 65 |
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| 66 | void VBoxSHGSMICommandDoneAsynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader);
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| 67 | int VBoxSHGSMICommandDoneSynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader);
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| 68 | void VBoxSHGSMICommandCancelAsynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader);
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| 69 | void VBoxSHGSMICommandCancelSynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader);
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| 70 |
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| 71 | DECLINLINE(HGSMIOFFSET) VBoxSHGSMICommandOffset(const PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_HOST *pHeader)
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| 72 | {
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| 73 | return HGSMIHeapBufferOffset(&pHeap->Heap, (void*)pHeader);
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| 74 | }
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| 75 |
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| 76 | /* allows getting VRAM offset of arbitrary pointer within the SHGSMI command
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| 77 | * if invalid pointer is passed in, behavior is undefined */
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| 78 | DECLINLINE(HGSMIOFFSET) VBoxSHGSMICommandPtrOffset(const PVBOXSHGSMI pHeap, const void RT_UNTRUSTED_VOLATILE_HOST *pvPtr)
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| 79 | {
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| 80 | return HGSMIPointerToOffset(&pHeap->Heap.area, (const HGSMIBUFFERHEADER RT_UNTRUSTED_VOLATILE_HOST *)pvPtr);
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| 81 | }
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| 82 |
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| 83 | int VBoxSHGSMIInit(PVBOXSHGSMI pHeap, void *pvBase, HGSMISIZE cbArea, HGSMIOFFSET offBase, const HGSMIENV *pEnv);
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| 84 | void VBoxSHGSMITerm(PVBOXSHGSMI pHeap);
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| 85 | void RT_UNTRUSTED_VOLATILE_HOST *VBoxSHGSMIHeapAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData, uint8_t u8Channel, uint16_t u16ChannelInfo);
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| 86 | void VBoxSHGSMIHeapFree(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuffer);
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| 87 | void RT_UNTRUSTED_VOLATILE_HOST *VBoxSHGSMIHeapBufferAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData);
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| 88 | void VBoxSHGSMIHeapBufferFree(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuffer);
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| 89 | void RT_UNTRUSTED_VOLATILE_HOST *VBoxSHGSMICommandAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData, uint8_t u8Channel, uint16_t u16ChannelInfo);
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| 90 | void VBoxSHGSMICommandFree(PVBOXSHGSMI pHeap, void RT_UNTRUSTED_VOLATILE_HOST *pvBuffer);
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| 91 | int VBoxSHGSMICommandProcessCompletion(PVBOXSHGSMI pHeap, VBOXSHGSMIHEADER* pCmd, bool bIrq, struct VBOXVTLIST * pPostProcessList);
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| 92 | int VBoxSHGSMICommandPostprocessCompletion(PVBOXSHGSMI pHeap, struct VBOXVTLIST * pPostProcessList);
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| 93 |
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| 94 | #endif /* !GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPShgsmi_h */
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