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sources from http://omapzoom.org

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diff --git a/pvr-source/services4/srvkm/include/resman.h b/pvr-source/services4/srvkm/include/resman.h
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+/*************************************************************************/ /*!
+@Title          Resource Manager API
+@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
+@Description	Provide resource management
+@License        Dual MIT/GPLv2
+
+The contents of this file are subject to the MIT license as set out below.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+Alternatively, the contents of this file may be used under the terms of
+the GNU General Public License Version 2 ("GPL") in which case the provisions
+of GPL are applicable instead of those above.
+
+If you wish to allow use of your version of this file only under the terms of
+GPL, and not to allow others to use your version of this file under the terms
+of the MIT license, indicate your decision by deleting the provisions above
+and replace them with the notice and other provisions required by GPL as set
+out in the file called "GPL-COPYING" included in this distribution. If you do
+not delete the provisions above, a recipient may use your version of this file
+under the terms of either the MIT license or GPL.
+
+This License is also included in this distribution in the file called
+"MIT-COPYING".
+
+EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
+PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/ /**************************************************************************/
+
+#ifndef __RESMAN_H__
+#define __RESMAN_H__
+
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+/******************************************************************************
+ * resman definitions 
+ *****************************************************************************/
+
+enum {
+	/* SGX: */
+	RESMAN_TYPE_SHARED_PB_DESC = 1,					/*!< Parameter buffer kernel stubs */
+	RESMAN_TYPE_SHARED_PB_DESC_CREATE_LOCK,				/*!< Shared parameter buffer creation lock */
+	RESMAN_TYPE_HW_RENDER_CONTEXT,					/*!< Hardware Render Context Resource */
+	RESMAN_TYPE_HW_TRANSFER_CONTEXT,				/*!< Hardware transfer Context Resource */
+	RESMAN_TYPE_HW_2D_CONTEXT,						/*!< Hardware 2D Context Resource */
+	RESMAN_TYPE_TRANSFER_CONTEXT,					/*!< Transfer Queue context */
+
+	/* VGX: */
+	RESMAN_TYPE_DMA_CLIENT_FIFO_DATA,				/*!< VGX DMA Client FIFO data */
+
+	/* DISPLAY CLASS: */
+	RESMAN_TYPE_DISPLAYCLASS_SWAPCHAIN_REF,			/*!< Display Class Swapchain Reference Resource */
+	RESMAN_TYPE_DISPLAYCLASS_DEVICE,				/*!< Display Class Device Resource */
+
+	/* BUFFER CLASS: */
+	RESMAN_TYPE_BUFFERCLASS_DEVICE,					/*!< Buffer Class Device Resource */
+	
+	/* OS specific User mode Mappings: */
+	RESMAN_TYPE_OS_USERMODE_MAPPING,				/*!< OS specific User mode mappings */
+	
+	/* COMMON: */
+	RESMAN_TYPE_DEVICEMEM_CONTEXT,					/*!< Device Memory Context Resource */
+	RESMAN_TYPE_DEVICECLASSMEM_MAPPING,				/*!< Device Memory Mapping Resource */
+	RESMAN_TYPE_DEVICEMEM_MAPPING,					/*!< Device Memory Mapping Resource */
+	RESMAN_TYPE_DEVICEMEM_WRAP,						/*!< Device Memory Wrap Resource */
+	RESMAN_TYPE_DEVICEMEM_ALLOCATION,				/*!< Device Memory Allocation Resource */
+	RESMAN_TYPE_DEVICEMEM_ION,						/*!< Device Memory Ion Resource */
+	RESMAN_TYPE_EVENT_OBJECT,						/*!< Event Object */
+    RESMAN_TYPE_SHARED_MEM_INFO,                    /*!< Shared system memory meminfo */
+    RESMAN_TYPE_MODIFY_SYNC_OPS,					/*!< Syncobject synchronisation Resource*/
+    RESMAN_TYPE_SYNC_INFO,					        /*!< Syncobject Resource*/
+	
+	/* KERNEL: */
+	RESMAN_TYPE_KERNEL_DEVICEMEM_ALLOCATION			/*!< Device Memory Allocation Resource */
+};
+
+#define RESMAN_CRITERIA_ALL				0x00000000	/*!< match by criteria all */
+#define RESMAN_CRITERIA_RESTYPE			0x00000001	/*!< match by criteria type */
+#define RESMAN_CRITERIA_PVOID_PARAM		0x00000002	/*!< match by criteria param1 */
+#define RESMAN_CRITERIA_UI32_PARAM		0x00000004	/*!< match by criteria param2 */
+
+typedef PVRSRV_ERROR (*RESMAN_FREE_FN)(IMG_PVOID pvParam, IMG_UINT32 ui32Param, IMG_BOOL bForceCleanup); 
+
+typedef struct _RESMAN_ITEM_ *PRESMAN_ITEM;
+typedef struct _RESMAN_CONTEXT_ *PRESMAN_CONTEXT;
+
+/******************************************************************************
+ * resman functions 
+ *****************************************************************************/
+
+/*
+	Note:
+	Resource cleanup can fail with retry in which case we don't remove
+	it from resman's list and either UM or KM will try to release the
+	resource at a later date (and will keep trying until a non-retry
+	error is returned)
+*/
+
+PVRSRV_ERROR ResManInit(IMG_VOID);
+IMG_VOID ResManDeInit(IMG_VOID);
+
+PRESMAN_ITEM ResManRegisterRes(PRESMAN_CONTEXT	hResManContext,
+							   IMG_UINT32		ui32ResType, 
+							   IMG_PVOID		pvParam, 
+							   IMG_UINT32		ui32Param, 
+							   RESMAN_FREE_FN	pfnFreeResource);
+
+PVRSRV_ERROR ResManFreeResByPtr(PRESMAN_ITEM	psResItem,
+								IMG_BOOL		bForceCleanup);
+
+PVRSRV_ERROR ResManFreeResByCriteria(PRESMAN_CONTEXT	hResManContext,
+									 IMG_UINT32			ui32SearchCriteria, 
+									 IMG_UINT32			ui32ResType, 
+									 IMG_PVOID			pvParam, 
+									 IMG_UINT32			ui32Param);
+
+PVRSRV_ERROR ResManDissociateRes(PRESMAN_ITEM		psResItem,
+							 PRESMAN_CONTEXT	psNewResManContext);
+
+PVRSRV_ERROR ResManFindResourceByPtr(PRESMAN_CONTEXT	hResManContext,
+									 PRESMAN_ITEM		psItem);
+
+PVRSRV_ERROR PVRSRVResManConnect(IMG_HANDLE			hPerProc,
+								 PRESMAN_CONTEXT	*phResManContext);
+IMG_VOID PVRSRVResManDisconnect(PRESMAN_CONTEXT hResManContext,
+								IMG_BOOL		bKernelContext);
+
+#if defined (__cplusplus)
+}
+#endif
+
+#endif /* __RESMAN_H__ */
+
+/******************************************************************************
+ End of file (resman.h)
+******************************************************************************/
+