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  • Committer: Ricardo Salveti de Araujo
  • Date: 2010-09-13 12:26:10 UTC
  • Revision ID: ricardo.salveti@canonical.com-20100913122610-pp6k3tegwvr3nvny
Initial release, based on OMAP35x_Graphics_SDK_setuplinux_3_01_00_07.bin

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GFX_Linux_KM/services4/srvkm/env/linux/mmap.h
 
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/**********************************************************************
 
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 *
 
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 * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
 
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 * 
 
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 * This program is free software; you can redistribute it and/or modify it
 
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 * under the terms and conditions of the GNU General Public License,
 
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 * version 2, as published by the Free Software Foundation.
 
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 * 
 
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 * This program is distributed in the hope it will be useful but, except 
 
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 * as otherwise stated in writing, without any warranty; without even the 
 
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 * implied warranty of merchantability or fitness for a particular purpose. 
 
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 * See the GNU General Public License for more details.
 
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 * 
 
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 * You should have received a copy of the GNU General Public License along with
 
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 * this program; if not, write to the Free Software Foundation, Inc.,
 
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 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 
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 * 
 
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 * The full GNU General Public License is included in this distribution in
 
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 * the file called "COPYING".
 
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 *
 
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 * Contact Information:
 
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 * Imagination Technologies Ltd. <gpl-support@imgtec.com>
 
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 * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK 
 
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 *
 
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 ******************************************************************************/
 
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#if !defined(__MMAP_H__)
 
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#define __MMAP_H__
 
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#include <linux/mm.h>
 
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#include <linux/list.h>
 
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#include "perproc.h"
 
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#include "mm.h"
 
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typedef struct KV_OFFSET_STRUCT_TAG
 
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{
 
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    IMG_UINT32                  ui32Mapped;
 
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    IMG_UINT32                  ui32MMapOffset;
 
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    IMG_UINT32                  ui32RealByteSize;
 
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    LinuxMemArea                *psLinuxMemArea;
 
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    IMG_UINT32                  ui32TID;
 
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    IMG_UINT32                  ui32PID;
 
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    IMG_BOOL                    bOnMMapList;
 
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    IMG_UINT32                  ui32RefCount;
 
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    IMG_UINT32                  ui32UserVAddr;
 
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#if defined(DEBUG_LINUX_MMAP_AREAS)
 
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    const IMG_CHAR              *pszName;
 
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#endif
 
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   struct list_head             sMMapItem;
 
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   struct list_head             sAreaItem;
 
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}KV_OFFSET_STRUCT, *PKV_OFFSET_STRUCT;
 
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IMG_VOID PVRMMapInit(IMG_VOID);
 
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IMG_VOID PVRMMapCleanup(IMG_VOID);
 
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PVRSRV_ERROR PVRMMapRegisterArea(LinuxMemArea *psLinuxMemArea);
 
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PVRSRV_ERROR PVRMMapRemoveRegisteredArea(LinuxMemArea *psLinuxMemArea);
 
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PVRSRV_ERROR PVRMMapOSMemHandleToMMapData(PVRSRV_PER_PROCESS_DATA *psPerProc,
 
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                                             IMG_HANDLE hMHandle,
 
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                                             IMG_UINT32 *pui32MMapOffset,
 
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                                             IMG_UINT32 *pui32ByteOffset,
 
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                                             IMG_UINT32 *pui32RealByteSize,                                                  IMG_UINT32 *pui32UserVAddr);
 
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PVRSRV_ERROR
 
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PVRMMapReleaseMMapData(PVRSRV_PER_PROCESS_DATA *psPerProc,
 
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                                IMG_HANDLE hMHandle,
 
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                                IMG_BOOL *pbMUnmap,
 
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                                IMG_UINT32 *pui32RealByteSize,
 
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                                IMG_UINT32 *pui32UserVAddr);
 
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int PVRMMap(struct file* pFile, struct vm_area_struct* ps_vma);
 
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#endif  
 
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