drivers/external_drivers/intel_media/graphics/rgx/services/server/env/linux/pvr_bridge_k.c - kernel/msm.git - Git at Google

 /*************************************************************************/ /*!
 @File
 @Title          PVR Bridge Module (kernel side)
 @Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
 @Description    Receives calls from the user portion of services and
                 despatches them to functions in the kernel portion.
 @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.
 */ /**************************************************************************/
 #include "img_defs.h"
 #include "pvr_bridge.h"
 #include "connection_server.h"
 #include "syscommon.h"
 #include "pvr_debug.h"
 #include "pvr_debugfs.h"
 #include "private_data.h"
 #include "linkage.h"
 #include "driverlock.h"

 #if defined(SUPPORT_DRM)
 #include <drm/drmP.h>
 #include "pvr_drm.h"
 #if defined(PVR_DRM_SECURE_AUTH_EXPORT)
 #include "env_connection.h"
 #endif
 #endif /* defined(SUPPORT_DRM) */

 /* RGX: */
 #if defined(SUPPORT_RGX)
 #include "rgx_bridge.h"
 #endif

 #include "srvcore.h"
 #include "common_srvcore_bridge.h"
 #include "cache_defines.h"

 #if defined(MODULE_TEST)
 /************************************************************************/
 // additional includes for services testing
 /************************************************************************/
 #include "pvr_test_bridge.h"
 #include "kern_test.h"
 /************************************************************************/
 // end of additional includes
 /************************************************************************/
 #endif


 #if defined(SUPPORT_DRM)
 #define	PRIVATE_DATA(pFile) ((pFile)->driver_priv)
 #else
 #define	PRIVATE_DATA(pFile) ((pFile)->private_data)
 #endif

 #if defined(DEBUG_BRIDGE_KM)
 static struct dentry *gpsPVRDebugFSBridgeStatsEntry = NULL;
 static struct seq_operations gsBridgeStatsReadOps;
 #endif

 PVRSRV_ERROR RegisterPDUMPFunctions(void);
 #if defined(SUPPORT_DISPLAY_CLASS)
 PVRSRV_ERROR RegisterDCFunctions(void);
 #endif
 PVRSRV_ERROR RegisterMMFunctions(void);
 PVRSRV_ERROR RegisterCMMFunctions(void);
 PVRSRV_ERROR RegisterPDUMPMMFunctions(void);
 PVRSRV_ERROR RegisterPDUMPCMMFunctions(void);
 PVRSRV_ERROR RegisterSRVCOREFunctions(void);
 PVRSRV_ERROR RegisterSYNCFunctions(void);
 #if defined(SUPPORT_INSECURE_EXPORT)
 PVRSRV_ERROR RegisterSYNCEXPORTFunctions(void);
 #endif
 #if defined(SUPPORT_SECURE_EXPORT)
 PVRSRV_ERROR RegisterSYNCSEXPORTFunctions(void);
 #endif
 #if defined (SUPPORT_RGX)
 PVRSRV_ERROR RegisterRGXINITFunctions(void);
 PVRSRV_ERROR RegisterRGXTA3DFunctions(void);
 PVRSRV_ERROR RegisterRGXTQFunctions(void);
 PVRSRV_ERROR RegisterRGXCMPFunctions(void);
 PVRSRV_ERROR RegisterBREAKPOINTFunctions(void);
 PVRSRV_ERROR RegisterDEBUGMISCFunctions(void);
 PVRSRV_ERROR RegisterRGXPDUMPFunctions(void);
 PVRSRV_ERROR RegisterRGXHWPERFFunctions(void);
 #if defined(RGX_FEATURE_RAY_TRACING)
 PVRSRV_ERROR RegisterRGXRAYFunctions(void);
 #endif /* RGX_FEATURE_RAY_TRACING */
 PVRSRV_ERROR RegisterREGCONFIGFunctions(void);
 PVRSRV_ERROR RegisterTIMERQUERYFunctions(void);
 #endif /* SUPPORT_RGX */
 #if (CACHEFLUSH_TYPE == CACHEFLUSH_GENERIC)
 PVRSRV_ERROR RegisterCACHEGENERICFunctions(void);
 #endif
 #if defined(SUPPORT_SECURE_EXPORT)
 PVRSRV_ERROR RegisterSMMFunctions(void);
 #endif
 #if defined(SUPPORT_PMMIF)
 PVRSRV_ERROR RegisterPMMIFFunctions(void);
 #endif
 PVRSRV_ERROR RegisterPVRTLFunctions(void);
 #if defined(PVR_RI_DEBUG)
 PVRSRV_ERROR RegisterRIFunctions(void);
 #endif
 #if defined(SUPPORT_ION)
 PVRSRV_ERROR RegisterDMABUFFunctions(void);
 #endif

 /* These and their friends above will go when full bridge gen comes in */
 PVRSRV_ERROR
 LinuxBridgeInit(void);
 void
 LinuxBridgeDeInit(void);

 PVRSRV_ERROR
 LinuxBridgeInit(void)
 {
 	PVRSRV_ERROR eError;
 #if defined(DEBUG_BRIDGE_KM)
 	IMG_INT iResult;

 	iResult = PVRDebugFSCreateEntry("bridge_stats",
 					NULL,
 					&gsBridgeStatsReadOps,
 					NULL,
 					&g_BridgeDispatchTable[0],
 					&gpsPVRDebugFSBridgeStatsEntry);
 	if (iResult != 0)
 	{
 		return PVRSRV_ERROR_OUT_OF_MEMORY;
 	}
 #endif

 	eError = RegisterSRVCOREFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterSYNCFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 #if defined(SUPPORT_INSECURE_EXPORT)
 	eError = RegisterSYNCEXPORTFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 #endif
 #if defined(SUPPORT_SECURE_EXPORT)
 	eError = RegisterSYNCSEXPORTFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 #endif

 	eError = RegisterPDUMPFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 	eError = RegisterMMFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 	eError = RegisterCMMFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 	eError = RegisterPDUMPMMFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 	eError = RegisterPDUMPCMMFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 #if defined(SUPPORT_PMMIF)
 	eError = RegisterPMMIFFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 #endif

 #if defined(SUPPORT_ION)
 	eError = RegisterDMABUFFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 #endif

 #if defined(SUPPORT_DISPLAY_CLASS)
 	eError = RegisterDCFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 #endif

 #if (CACHEFLUSH_TYPE == CACHEFLUSH_GENERIC)
 	eError = RegisterCACHEGENERICFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 #endif

 #if defined(SUPPORT_SECURE_EXPORT)
 	eError = RegisterSMMFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 #endif

 	eError = RegisterPVRTLFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	#if defined(PVR_RI_DEBUG)
 	eError = RegisterRIFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 	#endif

 	#if defined (SUPPORT_RGX)
 	eError = RegisterRGXTQFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterRGXCMPFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterRGXINITFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterRGXTA3DFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterBREAKPOINTFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterDEBUGMISCFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterRGXPDUMPFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterRGXHWPERFFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 #if defined(RGX_FEATURE_RAY_TRACING)
 	eError = RegisterRGXRAYFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}
 #endif /* RGX_FEATURE_RAY_TRACING */

 	eError = RegisterREGCONFIGFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 	eError = RegisterTIMERQUERYFunctions();
 	if (eError != PVRSRV_OK)
 	{
 		return eError;
 	}

 #endif /* SUPPORT_RGX */

 	return eError;
 }

 void
 LinuxBridgeDeInit(void)
 {
 #if defined(DEBUG_BRIDGE_KM)
 	PVRDebugFSRemoveEntry(gpsPVRDebugFSBridgeStatsEntry);
 	gpsPVRDebugFSBridgeStatsEntry = NULL;
 #endif
 }

 #if defined(DEBUG_BRIDGE_KM)
 static void *BridgeStatsSeqStart(struct seq_file *psSeqFile, loff_t *puiPosition)
 {
 	PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY *psDispatchTable = (PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY *)psSeqFile->private;

 	mutex_lock(&gPVRSRVLock);

 	if (psDispatchTable == NULL || (*puiPosition) > BRIDGE_DISPATCH_TABLE_ENTRY_COUNT)
 	{
 		return NULL;
 	}

 	if ((*puiPosition) == 0)
 	{
 		return SEQ_START_TOKEN;
 	}

 	return &(psDispatchTable[(*puiPosition) - 1]);
 }

 static void BridgeStatsSeqStop(struct seq_file *psSeqFile, void *pvData)
 {
 	PVR_UNREFERENCED_PARAMETER(psSeqFile);
 	PVR_UNREFERENCED_PARAMETER(pvData);

 	mutex_unlock(&gPVRSRVLock);
 }

 static void *BridgeStatsSeqNext(struct seq_file *psSeqFile,
 			       void *pvData,
 			       loff_t *puiPosition)
 {
 	PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY *psDispatchTable = (PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY *)psSeqFile->private;

 	PVR_UNREFERENCED_PARAMETER(pvData);

 	(*puiPosition)++;

 	if ((*puiPosition) > BRIDGE_DISPATCH_TABLE_ENTRY_COUNT)
 	{
 		return NULL;
 	}

 	return &(psDispatchTable[(*puiPosition) - 1]);
 }

 static int BridgeStatsSeqShow(struct seq_file *psSeqFile, void *pvData)
 {
 	if (pvData == SEQ_START_TOKEN)
 	{
 		seq_printf(psSeqFile,
 			   "Total ioctl call count = %u\n"
 			   "Total number of bytes copied via copy_from_user = %u\n"
 			   "Total number of bytes copied via copy_to_user = %u\n"
 			   "Total number of bytes copied via copy_*_user = %u\n\n"
 			   "%-60s | %-48s | %10s | %20s | %10s\n",
 			   g_BridgeGlobalStats.ui32IOCTLCount,
 			   g_BridgeGlobalStats.ui32TotalCopyFromUserBytes,
 			   g_BridgeGlobalStats.ui32TotalCopyToUserBytes,
 			   g_BridgeGlobalStats.ui32TotalCopyFromUserBytes + g_BridgeGlobalStats.ui32TotalCopyToUserBytes,
 			   "Bridge Name",
 			   "Wrapper Function",
 			   "Call Count",
 			   "copy_from_user Bytes",
 			   "copy_to_user Bytes");
 	}
 	else if (pvData != NULL)
 	{
 		PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY *psEntry = (	PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY *)pvData;

 		seq_printf(psSeqFile,
 			   "%-60s   %-48s   %-10u   %-20u   %-10u\n",
 			   psEntry->pszIOCName,
 			   psEntry->pszFunctionName,
 			   psEntry->ui32CallCount,
 			   psEntry->ui32CopyFromUserTotalBytes,
 			   psEntry->ui32CopyToUserTotalBytes);
 	}

 	return 0;
 }

 static struct seq_operations gsBridgeStatsReadOps =
 {
 	.start = BridgeStatsSeqStart,
 	.stop = BridgeStatsSeqStop,
 	.next = BridgeStatsSeqNext,
 	.show = BridgeStatsSeqShow,
 };
 #endif /* defined(DEBUG_BRIDGE_KM) */


 #if defined(SUPPORT_DRM)
 int
 PVRSRV_BridgeDispatchKM(struct drm_device *dev, void *arg, struct drm_file *pFile)
 #else
 long
 PVRSRV_BridgeDispatchKM(struct file *pFile, unsigned int unref__ ioctlCmd, unsigned long arg)
 #endif
 {
 #if !defined(SUPPORT_DRM)
 	PVRSRV_BRIDGE_PACKAGE *psBridgePackageUM = (PVRSRV_BRIDGE_PACKAGE *)arg;
 	PVRSRV_BRIDGE_PACKAGE sBridgePackageKM;
 #endif
 	PVRSRV_BRIDGE_PACKAGE *psBridgePackageKM;
 	CONNECTION_DATA *psConnection = LinuxConnectionFromFile(pFile);
 	IMG_INT err = -EFAULT;

 	mutex_lock(&gPVRSRVLock);

 #if defined(SUPPORT_DRM)
 	PVR_UNREFERENCED_PARAMETER(dev);

 	psBridgePackageKM = (PVRSRV_BRIDGE_PACKAGE *)arg;
 	PVR_ASSERT(psBridgePackageKM != IMG_NULL);
 #else
 	PVR_UNREFERENCED_PARAMETER(ioctlCmd);

 	psBridgePackageKM = &sBridgePackageKM;

 	if(!OSAccessOK(PVR_VERIFY_WRITE,
 				   psBridgePackageUM,
 				   sizeof(PVRSRV_BRIDGE_PACKAGE)))
 	{
 		PVR_DPF((PVR_DBG_ERROR, "%s: Received invalid pointer to function arguments",
 				 __FUNCTION__));

 		goto unlock_and_return;
 	}


 	if(OSCopyFromUser(IMG_NULL,
 					  psBridgePackageKM,
 					  psBridgePackageUM,
 					  sizeof(PVRSRV_BRIDGE_PACKAGE))
 	  != PVRSRV_OK)
 	{
 		goto unlock_and_return;
 	}
 #endif

 #if defined(DEBUG_BRIDGE_CALLS)
 	{
 		IMG_UINT32 mangledID;
 		mangledID = psBridgePackageKM->ui32BridgeID;

 		psBridgePackageKM->ui32BridgeID = PVRSRV_GET_BRIDGE_ID(psBridgePackageKM->ui32BridgeID);

 		PVR_DPF((PVR_DBG_WARNING, "Bridge ID (x%8x) %8u (mangled: x%8x) ", psBridgePackageKM->ui32BridgeID, psBridgePackageKM->ui32BridgeID, mangledID));
 	}
 #else
 		psBridgePackageKM->ui32BridgeID = PVRSRV_GET_BRIDGE_ID(psBridgePackageKM->ui32BridgeID);
 #endif

 	err = BridgedDispatchKM(psConnection, psBridgePackageKM);

 #if !defined(SUPPORT_DRM)
 unlock_and_return:
 #endif
 	mutex_unlock(&gPVRSRVLock);
 	return err;
 }


 #if defined(CONFIG_COMPAT)
 #if defined(SUPPORT_DRM)
 int
 #else
 long
 #endif
 PVRSRV_BridgeCompatDispatchKM(struct file *pFile,
 			      unsigned int unref__ ioctlCmd,
 			      unsigned long arg)
 {
 	struct bridge_package_from_32
 	{
 		IMG_UINT32				bridge_id;			/*!< ioctl/drvesc index */
 		IMG_UINT32				size;				/*!< size of structure */
 		IMG_UINT32				addr_param_in;		/*!< input data buffer */
 		IMG_UINT32				in_buffer_size;		/*!< size of input data buffer */
 		IMG_UINT32				addr_param_out;		/*!< output data buffer */
 		IMG_UINT32				out_buffer_size;	/*!< size of output data buffer */
 	};

 	IMG_INT err = -EFAULT;
 	PVRSRV_BRIDGE_PACKAGE params_for_64;
 	struct bridge_package_from_32 params;
  	struct bridge_package_from_32 * const params_addr = &params;
 #if !defined(SUPPORT_DRM)
 	CONNECTION_DATA *psConnection = LinuxConnectionFromFile(pFile);
 #else
 	struct drm_file *file_priv = pFile->private_data;
 	CONNECTION_DATA *psConnection = LinuxConnectionFromFile(file_priv);
 #endif
 	// make sure there is no padding inserted by compiler
 	PVR_ASSERT(sizeof(struct bridge_package_from_32) == 6 * sizeof(IMG_UINT32));

 	mutex_lock(&gPVRSRVLock);

 	if(!OSAccessOK(PVR_VERIFY_READ, (void *) arg,
 				   sizeof(struct bridge_package_from_32)))
 	{
 		PVR_DPF((PVR_DBG_ERROR, "%s: Received invalid pointer to function arguments",
 				 __FUNCTION__));

 		goto unlock_and_return;
 	}

 	if(OSCopyFromUser(NULL, params_addr, (void*) arg,
 					  sizeof(struct bridge_package_from_32))
 	   != PVRSRV_OK)
 	{
 		goto unlock_and_return;
 	}

 	PVR_ASSERT(params_addr->size == sizeof(struct bridge_package_from_32));

 	params_addr->bridge_id = PVRSRV_GET_BRIDGE_ID(params_addr->bridge_id);

 #if defined(DEBUG_BRIDGE_KM)
 	PVR_DPF((PVR_DBG_MESSAGE, "ioctl %s -> func %s",
 		g_BridgeDispatchTable[params_addr->bridge_id].pszIOCName,
 		g_BridgeDispatchTable[params_addr->bridge_id].pszFunctionName));
 #endif

 	params_for_64.ui32BridgeID = params_addr->bridge_id;
 	params_for_64.ui32Size = sizeof(params_for_64);
 	params_for_64.pvParamIn = (void*) ((size_t) params_addr->addr_param_in);
 	params_for_64.pvParamOut = (void*) ((size_t) params_addr->addr_param_out);
 	params_for_64.ui32InBufferSize = params_addr->in_buffer_size;
 	params_for_64.ui32OutBufferSize = params_addr->out_buffer_size;

 	err = BridgedDispatchKM(psConnection, &params_for_64);

 unlock_and_return:
 	mutex_unlock(&gPVRSRVLock);
 	return err;
 }
 #endif /* defined(CONFIG_COMPAT) */
	/************************************************************************/ /!
	@File
	@Title PVR Bridge Module (kernel side)
	@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
	@Description Receives calls from the user portion of services and
	despatches them to functions in the kernel portion.
	@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.
	/ /*************************************************************************/
	#include "img_defs.h"
	#include "pvr_bridge.h"
	#include "connection_server.h"
	#include "syscommon.h"
	#include "pvr_debug.h"
	#include "pvr_debugfs.h"
	#include "private_data.h"
	#include "linkage.h"
	#include "driverlock.h"

	#if defined(SUPPORT_DRM)
	#include <drm/drmP.h>
	#include "pvr_drm.h"
	#if defined(PVR_DRM_SECURE_AUTH_EXPORT)
	#include "env_connection.h"
	#endif
	#endif /* defined(SUPPORT_DRM) */

	/* RGX: */
	#if defined(SUPPORT_RGX)
	#include "rgx_bridge.h"
	#endif

	#include "srvcore.h"
	#include "common_srvcore_bridge.h"
	#include "cache_defines.h"

	#if defined(MODULE_TEST)
	/************************************************************************/
	// additional includes for services testing
	/************************************************************************/
	#include "pvr_test_bridge.h"
	#include "kern_test.h"
	/************************************************************************/
	// end of additional includes
	/************************************************************************/
	#endif


	#if defined(SUPPORT_DRM)
	#define PRIVATE_DATA(pFile) ((pFile)->driver_priv)
	#else
	#define PRIVATE_DATA(pFile) ((pFile)->private_data)
	#endif

	#if defined(DEBUG_BRIDGE_KM)
	static struct dentry *gpsPVRDebugFSBridgeStatsEntry = NULL;
	static struct seq_operations gsBridgeStatsReadOps;
	#endif

	PVRSRV_ERROR RegisterPDUMPFunctions(void);
	#if defined(SUPPORT_DISPLAY_CLASS)
	PVRSRV_ERROR RegisterDCFunctions(void);
	#endif
	PVRSRV_ERROR RegisterMMFunctions(void);
	PVRSRV_ERROR RegisterCMMFunctions(void);
	PVRSRV_ERROR RegisterPDUMPMMFunctions(void);
	PVRSRV_ERROR RegisterPDUMPCMMFunctions(void);
	PVRSRV_ERROR RegisterSRVCOREFunctions(void);
	PVRSRV_ERROR RegisterSYNCFunctions(void);
	#if defined(SUPPORT_INSECURE_EXPORT)
	PVRSRV_ERROR RegisterSYNCEXPORTFunctions(void);
	#endif
	#if defined(SUPPORT_SECURE_EXPORT)
	PVRSRV_ERROR RegisterSYNCSEXPORTFunctions(void);
	#endif
	#if defined (SUPPORT_RGX)
	PVRSRV_ERROR RegisterRGXINITFunctions(void);
	PVRSRV_ERROR RegisterRGXTA3DFunctions(void);
	PVRSRV_ERROR RegisterRGXTQFunctions(void);
	PVRSRV_ERROR RegisterRGXCMPFunctions(void);
	PVRSRV_ERROR RegisterBREAKPOINTFunctions(void);
	PVRSRV_ERROR RegisterDEBUGMISCFunctions(void);
	PVRSRV_ERROR RegisterRGXPDUMPFunctions(void);
	PVRSRV_ERROR RegisterRGXHWPERFFunctions(void);
	#if defined(RGX_FEATURE_RAY_TRACING)
	PVRSRV_ERROR RegisterRGXRAYFunctions(void);
	#endif /* RGX_FEATURE_RAY_TRACING */
	PVRSRV_ERROR RegisterREGCONFIGFunctions(void);
	PVRSRV_ERROR RegisterTIMERQUERYFunctions(void);
	#endif /* SUPPORT_RGX */
	#if (CACHEFLUSH_TYPE == CACHEFLUSH_GENERIC)
	PVRSRV_ERROR RegisterCACHEGENERICFunctions(void);
	#endif
	#if defined(SUPPORT_SECURE_EXPORT)
	PVRSRV_ERROR RegisterSMMFunctions(void);
	#endif
	#if defined(SUPPORT_PMMIF)
	PVRSRV_ERROR RegisterPMMIFFunctions(void);
	#endif
	PVRSRV_ERROR RegisterPVRTLFunctions(void);
	#if defined(PVR_RI_DEBUG)
	PVRSRV_ERROR RegisterRIFunctions(void);
	#endif
	#if defined(SUPPORT_ION)
	PVRSRV_ERROR RegisterDMABUFFunctions(void);
	#endif

	/* These and their friends above will go when full bridge gen comes in */
	PVRSRV_ERROR
	LinuxBridgeInit(void);
	void
	LinuxBridgeDeInit(void);

	PVRSRV_ERROR
	LinuxBridgeInit(void)
	{
	PVRSRV_ERROR eError;
	#if defined(DEBUG_BRIDGE_KM)
	IMG_INT iResult;

	iResult = PVRDebugFSCreateEntry("bridge_stats",
	NULL,
	&gsBridgeStatsReadOps,
	NULL,
	&g_BridgeDispatchTable[0],
	&gpsPVRDebugFSBridgeStatsEntry);
	if (iResult != 0)
	{
	return PVRSRV_ERROR_OUT_OF_MEMORY;
	}
	#endif

	eError = RegisterSRVCOREFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterSYNCFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	#if defined(SUPPORT_INSECURE_EXPORT)
	eError = RegisterSYNCEXPORTFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif
	#if defined(SUPPORT_SECURE_EXPORT)
	eError = RegisterSYNCSEXPORTFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif

	eError = RegisterPDUMPFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	eError = RegisterMMFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	eError = RegisterCMMFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	eError = RegisterPDUMPMMFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	eError = RegisterPDUMPCMMFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	#if defined(SUPPORT_PMMIF)
	eError = RegisterPMMIFFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif

	#if defined(SUPPORT_ION)
	eError = RegisterDMABUFFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif

	#if defined(SUPPORT_DISPLAY_CLASS)
	eError = RegisterDCFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif

	#if (CACHEFLUSH_TYPE == CACHEFLUSH_GENERIC)
	eError = RegisterCACHEGENERICFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif

	#if defined(SUPPORT_SECURE_EXPORT)
	eError = RegisterSMMFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif

	eError = RegisterPVRTLFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	#if defined(PVR_RI_DEBUG)
	eError = RegisterRIFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif

	#if defined (SUPPORT_RGX)
	eError = RegisterRGXTQFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterRGXCMPFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterRGXINITFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterRGXTA3DFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterBREAKPOINTFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterDEBUGMISCFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterRGXPDUMPFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterRGXHWPERFFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	#if defined(RGX_FEATURE_RAY_TRACING)
	eError = RegisterRGXRAYFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}
	#endif /* RGX_FEATURE_RAY_TRACING */

	eError = RegisterREGCONFIGFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	eError = RegisterTIMERQUERYFunctions();
	if (eError != PVRSRV_OK)
	{
	return eError;
	}

	#endif /* SUPPORT_RGX */

	return eError;
	}

	void
	LinuxBridgeDeInit(void)
	{
	#if defined(DEBUG_BRIDGE_KM)
	PVRDebugFSRemoveEntry(gpsPVRDebugFSBridgeStatsEntry);
	gpsPVRDebugFSBridgeStatsEntry = NULL;
	#endif
	}

	#if defined(DEBUG_BRIDGE_KM)
	static void BridgeStatsSeqStart(struct seq_file psSeqFile, loff_t *puiPosition)
	{
	PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY psDispatchTable = (PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY )psSeqFile->private;

	mutex_lock(&gPVRSRVLock);

	if (psDispatchTable == NULL \|\| (*puiPosition) > BRIDGE_DISPATCH_TABLE_ENTRY_COUNT)
	{
	return NULL;
	}

	if ((*puiPosition) == 0)
	{
	return SEQ_START_TOKEN;
	}

	return &(psDispatchTable[(*puiPosition) - 1]);
	}

	static void BridgeStatsSeqStop(struct seq_file psSeqFile, void pvData)
	{
	PVR_UNREFERENCED_PARAMETER(psSeqFile);
	PVR_UNREFERENCED_PARAMETER(pvData);

	mutex_unlock(&gPVRSRVLock);
	}

	static void BridgeStatsSeqNext(struct seq_file psSeqFile,
	void *pvData,
	loff_t *puiPosition)
	{
	PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY psDispatchTable = (PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY )psSeqFile->private;

	PVR_UNREFERENCED_PARAMETER(pvData);

	(*puiPosition)++;

	if ((*puiPosition) > BRIDGE_DISPATCH_TABLE_ENTRY_COUNT)
	{
	return NULL;
	}

	return &(psDispatchTable[(*puiPosition) - 1]);
	}

	static int BridgeStatsSeqShow(struct seq_file psSeqFile, void pvData)
	{
	if (pvData == SEQ_START_TOKEN)
	{
	seq_printf(psSeqFile,
	"Total ioctl call count = %u\n"
	"Total number of bytes copied via copy_from_user = %u\n"
	"Total number of bytes copied via copy_to_user = %u\n"
	"Total number of bytes copied via copy_*_user = %u\n\n"
	"%-60s \| %-48s \| %10s \| %20s \| %10s\n",
	g_BridgeGlobalStats.ui32IOCTLCount,
	g_BridgeGlobalStats.ui32TotalCopyFromUserBytes,
	g_BridgeGlobalStats.ui32TotalCopyToUserBytes,
	g_BridgeGlobalStats.ui32TotalCopyFromUserBytes + g_BridgeGlobalStats.ui32TotalCopyToUserBytes,
	"Bridge Name",
	"Wrapper Function",
	"Call Count",
	"copy_from_user Bytes",
	"copy_to_user Bytes");
	}
	else if (pvData != NULL)
	{
	PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY psEntry = ( PVRSRV_BRIDGE_DISPATCH_TABLE_ENTRY )pvData;

	seq_printf(psSeqFile,
	"%-60s %-48s %-10u %-20u %-10u\n",
	psEntry->pszIOCName,
	psEntry->pszFunctionName,
	psEntry->ui32CallCount,
	psEntry->ui32CopyFromUserTotalBytes,
	psEntry->ui32CopyToUserTotalBytes);
	}

	return 0;
	}

	static struct seq_operations gsBridgeStatsReadOps =
	{
	.start = BridgeStatsSeqStart,
	.stop = BridgeStatsSeqStop,
	.next = BridgeStatsSeqNext,
	.show = BridgeStatsSeqShow,
	};
	#endif /* defined(DEBUG_BRIDGE_KM) */


	#if defined(SUPPORT_DRM)
	int
	PVRSRV_BridgeDispatchKM(struct drm_device dev, void arg, struct drm_file *pFile)
	#else
	long
	PVRSRV_BridgeDispatchKM(struct file *pFile, unsigned int unref__ ioctlCmd, unsigned long arg)
	#endif
	{
	#if !defined(SUPPORT_DRM)
	PVRSRV_BRIDGE_PACKAGE psBridgePackageUM = (PVRSRV_BRIDGE_PACKAGE )arg;
	PVRSRV_BRIDGE_PACKAGE sBridgePackageKM;
	#endif
	PVRSRV_BRIDGE_PACKAGE *psBridgePackageKM;
	CONNECTION_DATA *psConnection = LinuxConnectionFromFile(pFile);
	IMG_INT err = -EFAULT;

	mutex_lock(&gPVRSRVLock);

	#if defined(SUPPORT_DRM)
	PVR_UNREFERENCED_PARAMETER(dev);

	psBridgePackageKM = (PVRSRV_BRIDGE_PACKAGE *)arg;
	PVR_ASSERT(psBridgePackageKM != IMG_NULL);
	#else
	PVR_UNREFERENCED_PARAMETER(ioctlCmd);

	psBridgePackageKM = &sBridgePackageKM;

	if(!OSAccessOK(PVR_VERIFY_WRITE,
	psBridgePackageUM,
	sizeof(PVRSRV_BRIDGE_PACKAGE)))
	{
	PVR_DPF((PVR_DBG_ERROR, "%s: Received invalid pointer to function arguments",
	__FUNCTION__));

	goto unlock_and_return;
	}


	if(OSCopyFromUser(IMG_NULL,
	psBridgePackageKM,
	psBridgePackageUM,
	sizeof(PVRSRV_BRIDGE_PACKAGE))
	!= PVRSRV_OK)
	{
	goto unlock_and_return;
	}
	#endif

	#if defined(DEBUG_BRIDGE_CALLS)
	{
	IMG_UINT32 mangledID;
	mangledID = psBridgePackageKM->ui32BridgeID;

	psBridgePackageKM->ui32BridgeID = PVRSRV_GET_BRIDGE_ID(psBridgePackageKM->ui32BridgeID);

	PVR_DPF((PVR_DBG_WARNING, "Bridge ID (x%8x) %8u (mangled: x%8x) ", psBridgePackageKM->ui32BridgeID, psBridgePackageKM->ui32BridgeID, mangledID));
	}
	#else
	psBridgePackageKM->ui32BridgeID = PVRSRV_GET_BRIDGE_ID(psBridgePackageKM->ui32BridgeID);
	#endif

	err = BridgedDispatchKM(psConnection, psBridgePackageKM);

	#if !defined(SUPPORT_DRM)
	unlock_and_return:
	#endif
	mutex_unlock(&gPVRSRVLock);
	return err;
	}


	#if defined(CONFIG_COMPAT)
	#if defined(SUPPORT_DRM)
	int
	#else
	long
	#endif
	PVRSRV_BridgeCompatDispatchKM(struct file *pFile,
	unsigned int unref__ ioctlCmd,
	unsigned long arg)
	{
	struct bridge_package_from_32
	{
	IMG_UINT32 bridge_id; /!< ioctl/drvesc index /
	IMG_UINT32 size; /!< size of structure /
	IMG_UINT32 addr_param_in; /!< input data buffer /
	IMG_UINT32 in_buffer_size; /!< size of input data buffer /
	IMG_UINT32 addr_param_out; /!< output data buffer /
	IMG_UINT32 out_buffer_size; /!< size of output data buffer /
	};

	IMG_INT err = -EFAULT;
	PVRSRV_BRIDGE_PACKAGE params_for_64;
	struct bridge_package_from_32 params;
	struct bridge_package_from_32 * const params_addr = &params;
	#if !defined(SUPPORT_DRM)
	CONNECTION_DATA *psConnection = LinuxConnectionFromFile(pFile);
	#else
	struct drm_file *file_priv = pFile->private_data;
	CONNECTION_DATA *psConnection = LinuxConnectionFromFile(file_priv);
	#endif
	// make sure there is no padding inserted by compiler
	PVR_ASSERT(sizeof(struct bridge_package_from_32) == 6 * sizeof(IMG_UINT32));

	mutex_lock(&gPVRSRVLock);

	if(!OSAccessOK(PVR_VERIFY_READ, (void *) arg,
	sizeof(struct bridge_package_from_32)))
	{
	PVR_DPF((PVR_DBG_ERROR, "%s: Received invalid pointer to function arguments",
	__FUNCTION__));

	goto unlock_and_return;
	}

	if(OSCopyFromUser(NULL, params_addr, (void*) arg,
	sizeof(struct bridge_package_from_32))
	!= PVRSRV_OK)
	{
	goto unlock_and_return;
	}

	PVR_ASSERT(params_addr->size == sizeof(struct bridge_package_from_32));

	params_addr->bridge_id = PVRSRV_GET_BRIDGE_ID(params_addr->bridge_id);

	#if defined(DEBUG_BRIDGE_KM)
	PVR_DPF((PVR_DBG_MESSAGE, "ioctl %s -> func %s",
	g_BridgeDispatchTable[params_addr->bridge_id].pszIOCName,
	g_BridgeDispatchTable[params_addr->bridge_id].pszFunctionName));
	#endif

	params_for_64.ui32BridgeID = params_addr->bridge_id;
	params_for_64.ui32Size = sizeof(params_for_64);
	params_for_64.pvParamIn = (void*) ((size_t) params_addr->addr_param_in);
	params_for_64.pvParamOut = (void*) ((size_t) params_addr->addr_param_out);
	params_for_64.ui32InBufferSize = params_addr->in_buffer_size;
	params_for_64.ui32OutBufferSize = params_addr->out_buffer_size;

	err = BridgedDispatchKM(psConnection, &params_for_64);

	unlock_and_return:
	mutex_unlock(&gPVRSRVLock);
	return err;
	}
	#endif /* defined(CONFIG_COMPAT) */