VBoxMPShgsmi.h revision c58f1213e628a545081c70e26c6b67a841cff880
/* $Id$ */
/** @file
* VBox WDDM Miniport driver
*/
/*
* Copyright (C) 2012 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef ___VBoxMPShgsmi_h___
#define ___VBoxMPShgsmi_h___
#include <iprt/cdefs.h>
#include <VBox/VBoxVideo.h>
#include "common/VBoxMPUtils.h"
typedef struct VBOXSHGSMI
{
KSPIN_LOCK HeapLock;
HGSMIHEAP Heap;
} VBOXSHGSMI, *PVBOXSHGSMI;
typedef DECLCALLBACK(void) FNVBOXSHGSMICMDCOMPLETION(PVBOXSHGSMI pHeap, void *pvCmd, void *pvContext);
typedef FNVBOXSHGSMICMDCOMPLETION *PFNVBOXSHGSMICMDCOMPLETION;
typedef DECLCALLBACK(void) FNVBOXSHGSMICMDCOMPLETION_IRQ(PVBOXSHGSMI pHeap, void *pvCmd, void *pvContext,
PFNVBOXSHGSMICMDCOMPLETION *ppfnCompletion, void **ppvCompletion);
typedef FNVBOXSHGSMICMDCOMPLETION_IRQ *PFNVBOXSHGSMICMDCOMPLETION_IRQ;
const VBOXSHGSMIHEADER* VBoxSHGSMICommandPrepAsynchEvent(PVBOXSHGSMI pHeap, PVOID pvBuff, RTSEMEVENT hEventSem);
const VBOXSHGSMIHEADER* VBoxSHGSMICommandPrepSynch(PVBOXSHGSMI pHeap, PVOID pCmd);
const VBOXSHGSMIHEADER* VBoxSHGSMICommandPrepAsynch(PVBOXSHGSMI pHeap, PVOID pvBuff, PFNVBOXSHGSMICMDCOMPLETION pfnCompletion, PVOID pvCompletion, uint32_t fFlags);
const VBOXSHGSMIHEADER* VBoxSHGSMICommandPrepAsynchIrq(PVBOXSHGSMI pHeap, PVOID pvBuff, PFNVBOXSHGSMICMDCOMPLETION_IRQ pfnCompletion, PVOID pvCompletion, uint32_t fFlags);
void VBoxSHGSMICommandDoneAsynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER* pHeader);
int VBoxSHGSMICommandDoneSynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER* pHeader);
void VBoxSHGSMICommandCancelAsynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER* pHeader);
void VBoxSHGSMICommandCancelSynch(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER* pHeader);
DECLINLINE(HGSMIOFFSET) VBoxSHGSMICommandOffset(PVBOXSHGSMI pHeap, const VBOXSHGSMIHEADER* pHeader)
{
return HGSMIHeapBufferOffset(&pHeap->Heap, (void*)pHeader);
}
int VBoxSHGSMIInit(PVBOXSHGSMI pHeap, void *pvBase, HGSMISIZE cbArea, HGSMIOFFSET offBase, bool fOffsetBased);
void VBoxSHGSMITerm(PVBOXSHGSMI pHeap);
void* VBoxSHGSMIHeapAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData, uint8_t u8Channel, uint16_t u16ChannelInfo);
void VBoxSHGSMIHeapFree(PVBOXSHGSMI pHeap, void *pvBuffer);
void* VBoxSHGSMIHeapBufferAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData);
void VBoxSHGSMIHeapBufferFree(PVBOXSHGSMI pHeap, void *pvBuffer);
void* VBoxSHGSMICommandAlloc(PVBOXSHGSMI pHeap, HGSMISIZE cbData, uint8_t u8Channel, uint16_t u16ChannelInfo);
void VBoxSHGSMICommandFree(PVBOXSHGSMI pHeap, void *pvBuffer);
int VBoxSHGSMICommandProcessCompletion(PVBOXSHGSMI pHeap, VBOXSHGSMIHEADER* pCmd, bool bIrq, struct VBOXVTLIST * pPostProcessList);
int VBoxSHGSMICommandPostprocessCompletion(PVBOXSHGSMI pHeap, struct VBOXVTLIST * pPostProcessList);
#endif /* #ifndef ___VBoxMPShgsmi_h___ */