/*******************************************************************************
@File
@Title          Server bridge for rgxcmp
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description    Implements the server side of the bridge for rgxcmp
@License        MIT

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.

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 <linux/uaccess.h>

#include "img_defs.h"

#include "rgxcompute.h"


#include "common_rgxcmp_bridge.h"

#include "allocmem.h"
#include "pvr_debug.h"
#include "connection_server.h"
#include "pvr_bridge.h"
#if defined(SUPPORT_RGX)
#include "rgx_bridge.h"
#endif
#include "srvcore.h"
#include "handle.h"

#include <linux/slab.h>


#include "rgx_bvnc_defs_km.h"


/* ***************************************************************************
 * Server-side bridge entry points
 */
 
static IMG_INT
PVRSRVBridgeRGXCreateComputeContext(IMG_UINT32 ui32DispatchTableEntry,
					  PVRSRV_BRIDGE_IN_RGXCREATECOMPUTECONTEXT *psRGXCreateComputeContextIN,
					  PVRSRV_BRIDGE_OUT_RGXCREATECOMPUTECONTEXT *psRGXCreateComputeContextOUT,
					 CONNECTION_DATA *psConnection)
{
	IMG_BYTE *psFrameworkCmdInt = NULL;
	IMG_HANDLE hPrivData = psRGXCreateComputeContextIN->hPrivData;
	IMG_HANDLE hPrivDataInt = NULL;
	RGX_SERVER_COMPUTE_CONTEXT * psComputeContextInt = NULL;

	IMG_UINT32 ui32NextOffset = 0;
	IMG_BYTE   *pArrayArgsBuffer = NULL;
#if !defined(INTEGRITY_OS)
	IMG_BOOL bHaveEnoughSpace = IMG_FALSE;
#endif

	IMG_UINT32 ui32BufferSize = 
			(psRGXCreateComputeContextIN->ui32FrameworkCmdize * sizeof(IMG_BYTE)) +
			0;

	{
		PVRSRV_DEVICE_NODE *psDeviceNode = OSGetDevData(psConnection);

		/* Check that device supports the required feature */
		if ((psDeviceNode->pfnCheckDeviceFeature) &&
			!psDeviceNode->pfnCheckDeviceFeature(psDeviceNode, RGX_FEATURE_COMPUTE_BIT_MASK))
		{
			psRGXCreateComputeContextOUT->eError = PVRSRV_ERROR_NOT_SUPPORTED;

			goto RGXCreateComputeContext_exit;
		}
	}


	if (ui32BufferSize != 0)
	{
#if !defined(INTEGRITY_OS)
		/* Try to use remainder of input buffer for copies if possible, word-aligned for safety. */
		IMG_UINT32 ui32InBufferOffset = PVR_ALIGN(sizeof(*psRGXCreateComputeContextIN), sizeof(unsigned long));
		IMG_UINT32 ui32InBufferExcessSize = ui32InBufferOffset >= PVRSRV_MAX_BRIDGE_IN_SIZE ? 0 :
			PVRSRV_MAX_BRIDGE_IN_SIZE - ui32InBufferOffset;

		bHaveEnoughSpace = ui32BufferSize <= ui32InBufferExcessSize;
		if (bHaveEnoughSpace)
		{
			IMG_BYTE *pInputBuffer = (IMG_BYTE *)psRGXCreateComputeContextIN;

			pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset];
		}
		else
#endif
		{
			pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize);

			if(!pArrayArgsBuffer)
			{
				psRGXCreateComputeContextOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY;
				goto RGXCreateComputeContext_exit;
			}
		}
	}

	if (psRGXCreateComputeContextIN->ui32FrameworkCmdize != 0)
	{
		psFrameworkCmdInt = (IMG_BYTE*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXCreateComputeContextIN->ui32FrameworkCmdize * sizeof(IMG_BYTE);
	}

			/* Copy the data over */
			if (psRGXCreateComputeContextIN->ui32FrameworkCmdize * sizeof(IMG_BYTE) > 0)
			{
				if ( OSCopyFromUser(NULL, psFrameworkCmdInt, (const void __user *) psRGXCreateComputeContextIN->psFrameworkCmd, psRGXCreateComputeContextIN->ui32FrameworkCmdize * sizeof(IMG_BYTE)) != PVRSRV_OK )
				{
					psRGXCreateComputeContextOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXCreateComputeContext_exit;
				}
			}

	/* Lock over handle lookup. */
	LockHandle();


					/* Look up the address from the handle */
					psRGXCreateComputeContextOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &hPrivDataInt,
											hPrivData,
											PVRSRV_HANDLE_TYPE_DEV_PRIV_DATA,
											IMG_TRUE);
					if(psRGXCreateComputeContextOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXCreateComputeContext_exit;
					}
	/* Release now we have looked up handles. */
	UnlockHandle();

	psRGXCreateComputeContextOUT->eError =
		PVRSRVRGXCreateComputeContextKM(psConnection, OSGetDevData(psConnection),
					psRGXCreateComputeContextIN->ui32Priority,
					psRGXCreateComputeContextIN->ui32FrameworkCmdize,
					psFrameworkCmdInt,
					hPrivDataInt,
					psRGXCreateComputeContextIN->sResumeSignalAddr,
					&psComputeContextInt);
	/* Exit early if bridged call fails */
	if(psRGXCreateComputeContextOUT->eError != PVRSRV_OK)
	{
		goto RGXCreateComputeContext_exit;
	}

	/* Lock over handle creation. */
	LockHandle();


	psRGXCreateComputeContextOUT->eError = PVRSRVAllocHandleUnlocked(psConnection->psHandleBase,

							&psRGXCreateComputeContextOUT->hComputeContext,
							(void *) psComputeContextInt,
							PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT,
							PVRSRV_HANDLE_ALLOC_FLAG_MULTI
							,(PFN_HANDLE_RELEASE)&PVRSRVRGXDestroyComputeContextKM);
	if (psRGXCreateComputeContextOUT->eError != PVRSRV_OK)
	{
		UnlockHandle();
		goto RGXCreateComputeContext_exit;
	}

	/* Release now we have created handles. */
	UnlockHandle();


RGXCreateComputeContext_exit:

	/* Lock over handle lookup cleanup. */
	LockHandle();


					/* Unreference the previously looked up handle */
					if(hPrivDataInt)
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hPrivData,
										PVRSRV_HANDLE_TYPE_DEV_PRIV_DATA);
					}
	/* Release now we have cleaned up look up handles. */
	UnlockHandle();

	if (psRGXCreateComputeContextOUT->eError != PVRSRV_OK)
	{
		if (psComputeContextInt)
		{
			PVRSRVRGXDestroyComputeContextKM(psComputeContextInt);
		}
	}

	/* Allocated space should be equal to the last updated offset */
	PVR_ASSERT(ui32BufferSize == ui32NextOffset);

#if defined(INTEGRITY_OS)
	if(pArrayArgsBuffer)
#else
	if(!bHaveEnoughSpace && pArrayArgsBuffer)
#endif
		OSFreeMemNoStats(pArrayArgsBuffer);


	return 0;
}


static IMG_INT
PVRSRVBridgeRGXDestroyComputeContext(IMG_UINT32 ui32DispatchTableEntry,
					  PVRSRV_BRIDGE_IN_RGXDESTROYCOMPUTECONTEXT *psRGXDestroyComputeContextIN,
					  PVRSRV_BRIDGE_OUT_RGXDESTROYCOMPUTECONTEXT *psRGXDestroyComputeContextOUT,
					 CONNECTION_DATA *psConnection)
{


	{
		PVRSRV_DEVICE_NODE *psDeviceNode = OSGetDevData(psConnection);

		/* Check that device supports the required feature */
		if ((psDeviceNode->pfnCheckDeviceFeature) &&
			!psDeviceNode->pfnCheckDeviceFeature(psDeviceNode, RGX_FEATURE_COMPUTE_BIT_MASK))
		{
			psRGXDestroyComputeContextOUT->eError = PVRSRV_ERROR_NOT_SUPPORTED;

			goto RGXDestroyComputeContext_exit;
		}
	}


	/* Lock over handle destruction. */
	LockHandle();


	psRGXDestroyComputeContextOUT->eError =
		PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
					(IMG_HANDLE) psRGXDestroyComputeContextIN->hComputeContext,
					PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT);
	if ((psRGXDestroyComputeContextOUT->eError != PVRSRV_OK) &&
	    (psRGXDestroyComputeContextOUT->eError != PVRSRV_ERROR_RETRY))
	{
		PVR_DPF((PVR_DBG_ERROR,
		        "PVRSRVBridgeRGXDestroyComputeContext: %s",
		        PVRSRVGetErrorStringKM(psRGXDestroyComputeContextOUT->eError)));
		UnlockHandle();
		goto RGXDestroyComputeContext_exit;
	}

	/* Release now we have destroyed handles. */
	UnlockHandle();


RGXDestroyComputeContext_exit:


	return 0;
}


static IMG_INT
PVRSRVBridgeRGXKickCDM(IMG_UINT32 ui32DispatchTableEntry,
					  PVRSRV_BRIDGE_IN_RGXKICKCDM *psRGXKickCDMIN,
					  PVRSRV_BRIDGE_OUT_RGXKICKCDM *psRGXKickCDMOUT,
					 CONNECTION_DATA *psConnection)
{
	IMG_HANDLE hComputeContext = psRGXKickCDMIN->hComputeContext;
	RGX_SERVER_COMPUTE_CONTEXT * psComputeContextInt = NULL;
	SYNC_PRIMITIVE_BLOCK * *psClientFenceUFOSyncPrimBlockInt = NULL;
	IMG_HANDLE *hClientFenceUFOSyncPrimBlockInt2 = NULL;
	IMG_UINT32 *ui32ClientFenceOffsetInt = NULL;
	IMG_UINT32 *ui32ClientFenceValueInt = NULL;
	SYNC_PRIMITIVE_BLOCK * *psClientUpdateUFOSyncPrimBlockInt = NULL;
	IMG_HANDLE *hClientUpdateUFOSyncPrimBlockInt2 = NULL;
	IMG_UINT32 *ui32ClientUpdateOffsetInt = NULL;
	IMG_UINT32 *ui32ClientUpdateValueInt = NULL;
	IMG_UINT32 *ui32ServerSyncFlagsInt = NULL;
	SERVER_SYNC_PRIMITIVE * *psServerSyncsInt = NULL;
	IMG_HANDLE *hServerSyncsInt2 = NULL;
	IMG_CHAR *uiUpdateFenceNameInt = NULL;
	IMG_BYTE *psDMCmdInt = NULL;

	IMG_UINT32 ui32NextOffset = 0;
	IMG_BYTE   *pArrayArgsBuffer = NULL;
#if !defined(INTEGRITY_OS)
	IMG_BOOL bHaveEnoughSpace = IMG_FALSE;
#endif

	IMG_UINT32 ui32BufferSize = 
			(psRGXKickCDMIN->ui32ClientFenceCount * sizeof(SYNC_PRIMITIVE_BLOCK *)) +
			(psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_HANDLE)) +
			(psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_UINT32)) +
			(psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_UINT32)) +
			(psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(SYNC_PRIMITIVE_BLOCK *)) +
			(psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_HANDLE)) +
			(psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_UINT32)) +
			(psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_UINT32)) +
			(psRGXKickCDMIN->ui32ServerSyncCount * sizeof(IMG_UINT32)) +
			(psRGXKickCDMIN->ui32ServerSyncCount * sizeof(SERVER_SYNC_PRIMITIVE *)) +
			(psRGXKickCDMIN->ui32ServerSyncCount * sizeof(IMG_HANDLE)) +
			(32 * sizeof(IMG_CHAR)) +
			(psRGXKickCDMIN->ui32CmdSize * sizeof(IMG_BYTE)) +
			0;

	{
		PVRSRV_DEVICE_NODE *psDeviceNode = OSGetDevData(psConnection);

		/* Check that device supports the required feature */
		if ((psDeviceNode->pfnCheckDeviceFeature) &&
			!psDeviceNode->pfnCheckDeviceFeature(psDeviceNode, RGX_FEATURE_COMPUTE_BIT_MASK))
		{
			psRGXKickCDMOUT->eError = PVRSRV_ERROR_NOT_SUPPORTED;

			goto RGXKickCDM_exit;
		}
	}


	if (ui32BufferSize != 0)
	{
#if !defined(INTEGRITY_OS)
		/* Try to use remainder of input buffer for copies if possible, word-aligned for safety. */
		IMG_UINT32 ui32InBufferOffset = PVR_ALIGN(sizeof(*psRGXKickCDMIN), sizeof(unsigned long));
		IMG_UINT32 ui32InBufferExcessSize = ui32InBufferOffset >= PVRSRV_MAX_BRIDGE_IN_SIZE ? 0 :
			PVRSRV_MAX_BRIDGE_IN_SIZE - ui32InBufferOffset;

		bHaveEnoughSpace = ui32BufferSize <= ui32InBufferExcessSize;
		if (bHaveEnoughSpace)
		{
			IMG_BYTE *pInputBuffer = (IMG_BYTE *)psRGXKickCDMIN;

			pArrayArgsBuffer = &pInputBuffer[ui32InBufferOffset];
		}
		else
#endif
		{
			pArrayArgsBuffer = OSAllocMemNoStats(ui32BufferSize);

			if(!pArrayArgsBuffer)
			{
				psRGXKickCDMOUT->eError = PVRSRV_ERROR_OUT_OF_MEMORY;
				goto RGXKickCDM_exit;
			}
		}
	}

	if (psRGXKickCDMIN->ui32ClientFenceCount != 0)
	{
		psClientFenceUFOSyncPrimBlockInt = (SYNC_PRIMITIVE_BLOCK **)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32ClientFenceCount * sizeof(SYNC_PRIMITIVE_BLOCK *);
		hClientFenceUFOSyncPrimBlockInt2 = (IMG_HANDLE *)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); 
		ui32NextOffset += psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_HANDLE);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_HANDLE) > 0)
			{
				if ( OSCopyFromUser(NULL, hClientFenceUFOSyncPrimBlockInt2, (const void __user *) psRGXKickCDMIN->phClientFenceUFOSyncPrimBlock, psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_HANDLE)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	if (psRGXKickCDMIN->ui32ClientFenceCount != 0)
	{
		ui32ClientFenceOffsetInt = (IMG_UINT32*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_UINT32);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_UINT32) > 0)
			{
				if ( OSCopyFromUser(NULL, ui32ClientFenceOffsetInt, (const void __user *) psRGXKickCDMIN->pui32ClientFenceOffset, psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_UINT32)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	if (psRGXKickCDMIN->ui32ClientFenceCount != 0)
	{
		ui32ClientFenceValueInt = (IMG_UINT32*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_UINT32);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_UINT32) > 0)
			{
				if ( OSCopyFromUser(NULL, ui32ClientFenceValueInt, (const void __user *) psRGXKickCDMIN->pui32ClientFenceValue, psRGXKickCDMIN->ui32ClientFenceCount * sizeof(IMG_UINT32)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	if (psRGXKickCDMIN->ui32ClientUpdateCount != 0)
	{
		psClientUpdateUFOSyncPrimBlockInt = (SYNC_PRIMITIVE_BLOCK **)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(SYNC_PRIMITIVE_BLOCK *);
		hClientUpdateUFOSyncPrimBlockInt2 = (IMG_HANDLE *)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); 
		ui32NextOffset += psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_HANDLE);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_HANDLE) > 0)
			{
				if ( OSCopyFromUser(NULL, hClientUpdateUFOSyncPrimBlockInt2, (const void __user *) psRGXKickCDMIN->phClientUpdateUFOSyncPrimBlock, psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_HANDLE)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	if (psRGXKickCDMIN->ui32ClientUpdateCount != 0)
	{
		ui32ClientUpdateOffsetInt = (IMG_UINT32*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_UINT32);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_UINT32) > 0)
			{
				if ( OSCopyFromUser(NULL, ui32ClientUpdateOffsetInt, (const void __user *) psRGXKickCDMIN->pui32ClientUpdateOffset, psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_UINT32)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	if (psRGXKickCDMIN->ui32ClientUpdateCount != 0)
	{
		ui32ClientUpdateValueInt = (IMG_UINT32*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_UINT32);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_UINT32) > 0)
			{
				if ( OSCopyFromUser(NULL, ui32ClientUpdateValueInt, (const void __user *) psRGXKickCDMIN->pui32ClientUpdateValue, psRGXKickCDMIN->ui32ClientUpdateCount * sizeof(IMG_UINT32)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	if (psRGXKickCDMIN->ui32ServerSyncCount != 0)
	{
		ui32ServerSyncFlagsInt = (IMG_UINT32*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32ServerSyncCount * sizeof(IMG_UINT32);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32ServerSyncCount * sizeof(IMG_UINT32) > 0)
			{
				if ( OSCopyFromUser(NULL, ui32ServerSyncFlagsInt, (const void __user *) psRGXKickCDMIN->pui32ServerSyncFlags, psRGXKickCDMIN->ui32ServerSyncCount * sizeof(IMG_UINT32)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	if (psRGXKickCDMIN->ui32ServerSyncCount != 0)
	{
		psServerSyncsInt = (SERVER_SYNC_PRIMITIVE **)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32ServerSyncCount * sizeof(SERVER_SYNC_PRIMITIVE *);
		hServerSyncsInt2 = (IMG_HANDLE *)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset); 
		ui32NextOffset += psRGXKickCDMIN->ui32ServerSyncCount * sizeof(IMG_HANDLE);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32ServerSyncCount * sizeof(IMG_HANDLE) > 0)
			{
				if ( OSCopyFromUser(NULL, hServerSyncsInt2, (const void __user *) psRGXKickCDMIN->phServerSyncs, psRGXKickCDMIN->ui32ServerSyncCount * sizeof(IMG_HANDLE)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	
	{
		uiUpdateFenceNameInt = (IMG_CHAR*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += 32 * sizeof(IMG_CHAR);
	}

			/* Copy the data over */
			if (32 * sizeof(IMG_CHAR) > 0)
			{
				if ( OSCopyFromUser(NULL, uiUpdateFenceNameInt, (const void __user *) psRGXKickCDMIN->puiUpdateFenceName, 32 * sizeof(IMG_CHAR)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}
	if (psRGXKickCDMIN->ui32CmdSize != 0)
	{
		psDMCmdInt = (IMG_BYTE*)(((IMG_UINT8 *)pArrayArgsBuffer) + ui32NextOffset);
		ui32NextOffset += psRGXKickCDMIN->ui32CmdSize * sizeof(IMG_BYTE);
	}

			/* Copy the data over */
			if (psRGXKickCDMIN->ui32CmdSize * sizeof(IMG_BYTE) > 0)
			{
				if ( OSCopyFromUser(NULL, psDMCmdInt, (const void __user *) psRGXKickCDMIN->psDMCmd, psRGXKickCDMIN->ui32CmdSize * sizeof(IMG_BYTE)) != PVRSRV_OK )
				{
					psRGXKickCDMOUT->eError = PVRSRV_ERROR_INVALID_PARAMS;

					goto RGXKickCDM_exit;
				}
			}

	/* Lock over handle lookup. */
	LockHandle();


					/* Look up the address from the handle */
					psRGXKickCDMOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &psComputeContextInt,
											hComputeContext,
											PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT,
											IMG_TRUE);
					if(psRGXKickCDMOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXKickCDM_exit;
					}


	{
		IMG_UINT32 i;

		for (i=0;i<psRGXKickCDMIN->ui32ClientFenceCount;i++)
		{
					/* Look up the address from the handle */
					psRGXKickCDMOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &psClientFenceUFOSyncPrimBlockInt[i],
											hClientFenceUFOSyncPrimBlockInt2[i],
											PVRSRV_HANDLE_TYPE_SYNC_PRIMITIVE_BLOCK,
											IMG_TRUE);
					if(psRGXKickCDMOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXKickCDM_exit;
					}
		}
	}


	{
		IMG_UINT32 i;

		for (i=0;i<psRGXKickCDMIN->ui32ClientUpdateCount;i++)
		{
					/* Look up the address from the handle */
					psRGXKickCDMOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &psClientUpdateUFOSyncPrimBlockInt[i],
											hClientUpdateUFOSyncPrimBlockInt2[i],
											PVRSRV_HANDLE_TYPE_SYNC_PRIMITIVE_BLOCK,
											IMG_TRUE);
					if(psRGXKickCDMOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXKickCDM_exit;
					}
		}
	}


	{
		IMG_UINT32 i;

		for (i=0;i<psRGXKickCDMIN->ui32ServerSyncCount;i++)
		{
					/* Look up the address from the handle */
					psRGXKickCDMOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &psServerSyncsInt[i],
											hServerSyncsInt2[i],
											PVRSRV_HANDLE_TYPE_SERVER_SYNC_PRIMITIVE,
											IMG_TRUE);
					if(psRGXKickCDMOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXKickCDM_exit;
					}
		}
	}
	/* Release now we have looked up handles. */
	UnlockHandle();

	psRGXKickCDMOUT->eError =
		PVRSRVRGXKickCDMKM(
					psComputeContextInt,
					psRGXKickCDMIN->ui32ClientCacheOpSeqNum,
					psRGXKickCDMIN->ui32ClientFenceCount,
					psClientFenceUFOSyncPrimBlockInt,
					ui32ClientFenceOffsetInt,
					ui32ClientFenceValueInt,
					psRGXKickCDMIN->ui32ClientUpdateCount,
					psClientUpdateUFOSyncPrimBlockInt,
					ui32ClientUpdateOffsetInt,
					ui32ClientUpdateValueInt,
					psRGXKickCDMIN->ui32ServerSyncCount,
					ui32ServerSyncFlagsInt,
					psServerSyncsInt,
					psRGXKickCDMIN->hCheckFenceFd,
					psRGXKickCDMIN->hUpdateTimeline,
					&psRGXKickCDMOUT->hUpdateFence,
					uiUpdateFenceNameInt,
					psRGXKickCDMIN->ui32CmdSize,
					psDMCmdInt,
					psRGXKickCDMIN->ui32PDumpFlags,
					psRGXKickCDMIN->ui32ExtJobRef,
					psRGXKickCDMIN->ssRobustnessResetReason);


RGXKickCDM_exit:

	/* Lock over handle lookup cleanup. */
	LockHandle();


					/* Unreference the previously looked up handle */
					if(psComputeContextInt)
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hComputeContext,
										PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT);
					}


	if (hClientFenceUFOSyncPrimBlockInt2)
	{
		IMG_UINT32 i;

		for (i=0;i<psRGXKickCDMIN->ui32ClientFenceCount;i++)
		{

					/* Unreference the previously looked up handle */
					if(hClientFenceUFOSyncPrimBlockInt2[i])
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hClientFenceUFOSyncPrimBlockInt2[i],
										PVRSRV_HANDLE_TYPE_SYNC_PRIMITIVE_BLOCK);
					}
		}
	}


	if (hClientUpdateUFOSyncPrimBlockInt2)
	{
		IMG_UINT32 i;

		for (i=0;i<psRGXKickCDMIN->ui32ClientUpdateCount;i++)
		{

					/* Unreference the previously looked up handle */
					if(hClientUpdateUFOSyncPrimBlockInt2[i])
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hClientUpdateUFOSyncPrimBlockInt2[i],
										PVRSRV_HANDLE_TYPE_SYNC_PRIMITIVE_BLOCK);
					}
		}
	}


	if (hServerSyncsInt2)
	{
		IMG_UINT32 i;

		for (i=0;i<psRGXKickCDMIN->ui32ServerSyncCount;i++)
		{

					/* Unreference the previously looked up handle */
					if(hServerSyncsInt2[i])
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hServerSyncsInt2[i],
										PVRSRV_HANDLE_TYPE_SERVER_SYNC_PRIMITIVE);
					}
		}
	}
	/* Release now we have cleaned up look up handles. */
	UnlockHandle();

	/* Allocated space should be equal to the last updated offset */
	PVR_ASSERT(ui32BufferSize == ui32NextOffset);

#if defined(INTEGRITY_OS)
	if(pArrayArgsBuffer)
#else
	if(!bHaveEnoughSpace && pArrayArgsBuffer)
#endif
		OSFreeMemNoStats(pArrayArgsBuffer);


	return 0;
}


static IMG_INT
PVRSRVBridgeRGXFlushComputeData(IMG_UINT32 ui32DispatchTableEntry,
					  PVRSRV_BRIDGE_IN_RGXFLUSHCOMPUTEDATA *psRGXFlushComputeDataIN,
					  PVRSRV_BRIDGE_OUT_RGXFLUSHCOMPUTEDATA *psRGXFlushComputeDataOUT,
					 CONNECTION_DATA *psConnection)
{
	IMG_HANDLE hComputeContext = psRGXFlushComputeDataIN->hComputeContext;
	RGX_SERVER_COMPUTE_CONTEXT * psComputeContextInt = NULL;


	{
		PVRSRV_DEVICE_NODE *psDeviceNode = OSGetDevData(psConnection);

		/* Check that device supports the required feature */
		if ((psDeviceNode->pfnCheckDeviceFeature) &&
			!psDeviceNode->pfnCheckDeviceFeature(psDeviceNode, RGX_FEATURE_COMPUTE_BIT_MASK))
		{
			psRGXFlushComputeDataOUT->eError = PVRSRV_ERROR_NOT_SUPPORTED;

			goto RGXFlushComputeData_exit;
		}
	}


	/* Lock over handle lookup. */
	LockHandle();


					/* Look up the address from the handle */
					psRGXFlushComputeDataOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &psComputeContextInt,
											hComputeContext,
											PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT,
											IMG_TRUE);
					if(psRGXFlushComputeDataOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXFlushComputeData_exit;
					}
	/* Release now we have looked up handles. */
	UnlockHandle();

	psRGXFlushComputeDataOUT->eError =
		PVRSRVRGXFlushComputeDataKM(
					psComputeContextInt);


RGXFlushComputeData_exit:

	/* Lock over handle lookup cleanup. */
	LockHandle();


					/* Unreference the previously looked up handle */
					if(psComputeContextInt)
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hComputeContext,
										PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT);
					}
	/* Release now we have cleaned up look up handles. */
	UnlockHandle();


	return 0;
}


static IMG_INT
PVRSRVBridgeRGXSetComputeContextPriority(IMG_UINT32 ui32DispatchTableEntry,
					  PVRSRV_BRIDGE_IN_RGXSETCOMPUTECONTEXTPRIORITY *psRGXSetComputeContextPriorityIN,
					  PVRSRV_BRIDGE_OUT_RGXSETCOMPUTECONTEXTPRIORITY *psRGXSetComputeContextPriorityOUT,
					 CONNECTION_DATA *psConnection)
{
	IMG_HANDLE hComputeContext = psRGXSetComputeContextPriorityIN->hComputeContext;
	RGX_SERVER_COMPUTE_CONTEXT * psComputeContextInt = NULL;


	{
		PVRSRV_DEVICE_NODE *psDeviceNode = OSGetDevData(psConnection);

		/* Check that device supports the required feature */
		if ((psDeviceNode->pfnCheckDeviceFeature) &&
			!psDeviceNode->pfnCheckDeviceFeature(psDeviceNode, RGX_FEATURE_COMPUTE_BIT_MASK))
		{
			psRGXSetComputeContextPriorityOUT->eError = PVRSRV_ERROR_NOT_SUPPORTED;

			goto RGXSetComputeContextPriority_exit;
		}
	}


	/* Lock over handle lookup. */
	LockHandle();


					/* Look up the address from the handle */
					psRGXSetComputeContextPriorityOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &psComputeContextInt,
											hComputeContext,
											PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT,
											IMG_TRUE);
					if(psRGXSetComputeContextPriorityOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXSetComputeContextPriority_exit;
					}
	/* Release now we have looked up handles. */
	UnlockHandle();

	psRGXSetComputeContextPriorityOUT->eError =
		PVRSRVRGXSetComputeContextPriorityKM(psConnection, OSGetDevData(psConnection),
					psComputeContextInt,
					psRGXSetComputeContextPriorityIN->ui32Priority);


RGXSetComputeContextPriority_exit:

	/* Lock over handle lookup cleanup. */
	LockHandle();


					/* Unreference the previously looked up handle */
					if(psComputeContextInt)
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hComputeContext,
										PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT);
					}
	/* Release now we have cleaned up look up handles. */
	UnlockHandle();


	return 0;
}


static IMG_INT
PVRSRVBridgeRGXGetLastComputeContextResetReason(IMG_UINT32 ui32DispatchTableEntry,
					  PVRSRV_BRIDGE_IN_RGXGETLASTCOMPUTECONTEXTRESETREASON *psRGXGetLastComputeContextResetReasonIN,
					  PVRSRV_BRIDGE_OUT_RGXGETLASTCOMPUTECONTEXTRESETREASON *psRGXGetLastComputeContextResetReasonOUT,
					 CONNECTION_DATA *psConnection)
{
	IMG_HANDLE hComputeContext = psRGXGetLastComputeContextResetReasonIN->hComputeContext;
	RGX_SERVER_COMPUTE_CONTEXT * psComputeContextInt = NULL;


	{
		PVRSRV_DEVICE_NODE *psDeviceNode = OSGetDevData(psConnection);

		/* Check that device supports the required feature */
		if ((psDeviceNode->pfnCheckDeviceFeature) &&
			!psDeviceNode->pfnCheckDeviceFeature(psDeviceNode, RGX_FEATURE_COMPUTE_BIT_MASK))
		{
			psRGXGetLastComputeContextResetReasonOUT->eError = PVRSRV_ERROR_NOT_SUPPORTED;

			goto RGXGetLastComputeContextResetReason_exit;
		}
	}


	/* Lock over handle lookup. */
	LockHandle();


					/* Look up the address from the handle */
					psRGXGetLastComputeContextResetReasonOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &psComputeContextInt,
											hComputeContext,
											PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT,
											IMG_TRUE);
					if(psRGXGetLastComputeContextResetReasonOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXGetLastComputeContextResetReason_exit;
					}
	/* Release now we have looked up handles. */
	UnlockHandle();

	psRGXGetLastComputeContextResetReasonOUT->eError =
		PVRSRVRGXGetLastComputeContextResetReasonKM(
					psComputeContextInt,
					&psRGXGetLastComputeContextResetReasonOUT->ui32LastResetReason,
					&psRGXGetLastComputeContextResetReasonOUT->ui32LastResetJobRef);


RGXGetLastComputeContextResetReason_exit:

	/* Lock over handle lookup cleanup. */
	LockHandle();


					/* Unreference the previously looked up handle */
					if(psComputeContextInt)
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hComputeContext,
										PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT);
					}
	/* Release now we have cleaned up look up handles. */
	UnlockHandle();


	return 0;
}


static IMG_INT
PVRSRVBridgeRGXNotifyComputeWriteOffsetUpdate(IMG_UINT32 ui32DispatchTableEntry,
					  PVRSRV_BRIDGE_IN_RGXNOTIFYCOMPUTEWRITEOFFSETUPDATE *psRGXNotifyComputeWriteOffsetUpdateIN,
					  PVRSRV_BRIDGE_OUT_RGXNOTIFYCOMPUTEWRITEOFFSETUPDATE *psRGXNotifyComputeWriteOffsetUpdateOUT,
					 CONNECTION_DATA *psConnection)
{
	IMG_HANDLE hComputeContext = psRGXNotifyComputeWriteOffsetUpdateIN->hComputeContext;
	RGX_SERVER_COMPUTE_CONTEXT * psComputeContextInt = NULL;


	{
		PVRSRV_DEVICE_NODE *psDeviceNode = OSGetDevData(psConnection);

		/* Check that device supports the required feature */
		if ((psDeviceNode->pfnCheckDeviceFeature) &&
			!psDeviceNode->pfnCheckDeviceFeature(psDeviceNode, RGX_FEATURE_COMPUTE_BIT_MASK))
		{
			psRGXNotifyComputeWriteOffsetUpdateOUT->eError = PVRSRV_ERROR_NOT_SUPPORTED;

			goto RGXNotifyComputeWriteOffsetUpdate_exit;
		}
	}


	/* Lock over handle lookup. */
	LockHandle();


					/* Look up the address from the handle */
					psRGXNotifyComputeWriteOffsetUpdateOUT->eError =
						PVRSRVLookupHandleUnlocked(psConnection->psHandleBase,
											(void **) &psComputeContextInt,
											hComputeContext,
											PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT,
											IMG_TRUE);
					if(psRGXNotifyComputeWriteOffsetUpdateOUT->eError != PVRSRV_OK)
					{
						UnlockHandle();
						goto RGXNotifyComputeWriteOffsetUpdate_exit;
					}
	/* Release now we have looked up handles. */
	UnlockHandle();

	psRGXNotifyComputeWriteOffsetUpdateOUT->eError =
		PVRSRVRGXNotifyComputeWriteOffsetUpdateKM(
					psComputeContextInt);


RGXNotifyComputeWriteOffsetUpdate_exit:

	/* Lock over handle lookup cleanup. */
	LockHandle();


					/* Unreference the previously looked up handle */
					if(psComputeContextInt)
					{
						PVRSRVReleaseHandleUnlocked(psConnection->psHandleBase,
										hComputeContext,
										PVRSRV_HANDLE_TYPE_RGX_SERVER_COMPUTE_CONTEXT);
					}
	/* Release now we have cleaned up look up handles. */
	UnlockHandle();


	return 0;
}


/* *************************************************************************** 
 * Server bridge dispatch related glue 
 */

static IMG_BOOL bUseLock = IMG_TRUE;

PVRSRV_ERROR InitRGXCMPBridge(void);
PVRSRV_ERROR DeinitRGXCMPBridge(void);

/*
 * Register all RGXCMP functions with services
 */
PVRSRV_ERROR InitRGXCMPBridge(void)
{

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXCREATECOMPUTECONTEXT, PVRSRVBridgeRGXCreateComputeContext,
					NULL, bUseLock);

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXDESTROYCOMPUTECONTEXT, PVRSRVBridgeRGXDestroyComputeContext,
					NULL, bUseLock);

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXKICKCDM, PVRSRVBridgeRGXKickCDM,
					NULL, bUseLock);

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXFLUSHCOMPUTEDATA, PVRSRVBridgeRGXFlushComputeData,
					NULL, bUseLock);

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXSETCOMPUTECONTEXTPRIORITY, PVRSRVBridgeRGXSetComputeContextPriority,
					NULL, bUseLock);

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXGETLASTCOMPUTECONTEXTRESETREASON, PVRSRVBridgeRGXGetLastComputeContextResetReason,
					NULL, bUseLock);

	SetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXNOTIFYCOMPUTEWRITEOFFSETUPDATE, PVRSRVBridgeRGXNotifyComputeWriteOffsetUpdate,
					NULL, bUseLock);


	return PVRSRV_OK;
}

/*
 * Unregister all rgxcmp functions with services
 */
PVRSRV_ERROR DeinitRGXCMPBridge(void)
{

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXCREATECOMPUTECONTEXT);

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXDESTROYCOMPUTECONTEXT);

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXKICKCDM);

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXFLUSHCOMPUTEDATA);

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXSETCOMPUTECONTEXTPRIORITY);

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXGETLASTCOMPUTECONTEXTRESETREASON);

	UnsetDispatchTableEntry(PVRSRV_BRIDGE_RGXCMP, PVRSRV_BRIDGE_RGXCMP_RGXNOTIFYCOMPUTEWRITEOFFSETUPDATE);


	return PVRSRV_OK;
}