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