| 1 | /*
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| 2 | * Copyright (C) 2010 Oracle Corporation
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| 3 | *
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| 4 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 5 | * available from http://www.virtualbox.org. This file is free software;
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| 6 | * you can redistribute it and/or modify it under the terms of the GNU
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| 7 | * General Public License (GPL) as published by the Free Software
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| 8 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 9 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 10 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 11 | */
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| 12 | #ifndef ___VBoxVideoVdma_h___
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| 13 | #define ___VBoxVideoVdma_h___
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| 14 |
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| 15 | #include <iprt/cdefs.h>
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| 16 | #include <VBox/VBoxVideo.h>
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| 17 | #include "../VBoxVideo.h"
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| 18 |
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| 19 | #if 0
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| 20 | typedef DECLCALLBACK(int) FNVBOXVDMASUBMIT(struct _DEVICE_EXTENSION* pDevExt, struct VBOXVDMAINFO * pInfo, HGSMIOFFSET offDr, PVOID pvContext);
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| 21 | typedef FNVBOXVDMASUBMIT *PFNVBOXVDMASUBMIT;
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| 22 |
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| 23 | typedef struct VBOXVDMASUBMIT
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| 24 | {
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| 25 | PFNVBOXVDMASUBMIT pfnSubmit;
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| 26 | PVOID pvContext;
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| 27 | } VBOXVDMASUBMIT, *PVBOXVDMASUBMIT;
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| 28 | #endif
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| 29 |
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| 30 | /* DMA commands are currently submitted over HGSMI */
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| 31 | typedef struct VBOXVDMAINFO
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| 32 | {
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| 33 | HGSMIHEAP CmdHeap;
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| 34 | UINT uLastCompletedPagingBufferCmdFenceId;
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| 35 | BOOL fEnabled;
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| 36 | #if 0
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| 37 | VBOXVDMASUBMIT Submitter;
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| 38 | #endif
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| 39 | } VBOXVDMAINFO, *PVBOXVDMAINFO;
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| 40 |
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| 41 | int vboxVdmaCreate (struct _DEVICE_EXTENSION* pDevExt, VBOXVDMAINFO *pInfo, ULONG offBuffer, ULONG cbBuffer
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| 42 | #if 0
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| 43 | , PFNVBOXVDMASUBMIT pfnSubmit, PVOID pvContext
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| 44 | #endif
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| 45 | );
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| 46 | int vboxVdmaDisable (struct _DEVICE_EXTENSION* pDevExt, PVBOXVDMAINFO pInfo);
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| 47 | int vboxVdmaEnable (struct _DEVICE_EXTENSION* pDevExt, PVBOXVDMAINFO pInfo);
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| 48 | int vboxVdmaFlush (struct _DEVICE_EXTENSION* pDevExt, PVBOXVDMAINFO pInfo);
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| 49 | int vboxVdmaDestroy (struct _DEVICE_EXTENSION* pDevExt, PVBOXVDMAINFO pInfo);
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| 50 | int vboxVdmaCBufDrSubmit (struct _DEVICE_EXTENSION* pDevExt, PVBOXVDMAINFO pInfo, PVBOXVDMACBUF_DR pDr);
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| 51 | struct VBOXVDMACBUF_DR* vboxVdmaCBufDrCreate (PVBOXVDMAINFO pInfo, uint32_t cbTrailingData);
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| 52 | void vboxVdmaCBufDrFree (PVBOXVDMAINFO pInfo, struct VBOXVDMACBUF_DR* pDr);
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| 53 |
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| 54 | #define VBOXVDMACBUF_DR_DATA_OFFSET() (sizeof (VBOXVDMACBUF_DR))
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| 55 | #define VBOXVDMACBUF_DR_SIZE(_cbData) (VBOXVDMACBUF_DR_DATA_OFFSET() + (_cbData))
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| 56 | #define VBOXVDMACBUF_DR_DATA(_pDr) ( ((uint8_t*)(_pDr)) + VBOXVDMACBUF_DR_DATA_OFFSET() )
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| 57 | #endif /* #ifndef ___VBoxVideoVdma_h___ */
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