1 /**********************************************************************
3 * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful but, except
10 * as otherwise stated in writing, without any warranty; without even the
11 * implied warranty of merchantability or fitness for a particular purpose.
12 * See the GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
21 * Contact Information:
22 * Imagination Technologies Ltd. <gpl-support@imgtec.com>
23 * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
25 ******************************************************************************/
27 #if !defined(__MMAP_H__)
34 typedef struct KV_OFFSET_STRUCT_TAG {
36 IMG_UINT32 ui32MMapOffset;
38 LinuxMemArea *psLinuxMemArea;
40 IMG_UINT32 ui32AllocFlags;
42 #if defined(DEBUG_LINUX_MMAP_AREAS)
44 const IMG_CHAR *pszName;
45 IMG_UINT16 ui16Mapped;
46 IMG_UINT16 ui16Faults;
49 struct KV_OFFSET_STRUCT_TAG *psNext;
50 } KV_OFFSET_STRUCT, *PKV_OFFSET_STRUCT;
52 IMG_VOID PVRMMapInit(void);
54 IMG_VOID PVRMMapCleanup(void);
56 PVRSRV_ERROR PVRMMapRegisterArea(const IMG_CHAR * pszName,
57 LinuxMemArea * psLinuxMemArea,
58 IMG_UINT32 ui32AllocFlags);
60 PVRSRV_ERROR PVRMMapRemoveRegisteredArea(LinuxMemArea * psLinuxMemArea);
62 PVRSRV_ERROR PVRMMapKVIndexAddressToMMapData(IMG_VOID * pvKVIndexAddress,
64 IMG_UINT32 * pui32MMapOffset,
65 IMG_UINT32 * pui32ByteOffset,
66 IMG_UINT32 * pui32RealByteSize);
68 int PVRMMap(struct file *pFile, struct vm_area_struct *ps_vma);