drivers/gpu/drm/img-rogue/rgxcompute.h

/*************************************************************************/ /*!
@File
@Title          RGX compute functionality
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description    Header for the RGX compute functionality
@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.

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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
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*/ /**************************************************************************/

#if !defined(__RGXCOMPUTE_H__)
#define __RGXCOMPUTE_H__

#include "devicemem.h"
#include "device.h"
#include "rgxfwutils.h"
#include "rgx_fwif_resetframework.h"
#include "rgxdebug.h"
#include "pvr_notifier.h"

#include "sync_server.h"
#include "sync_internal.h"
#include "connection_server.h"


typedef struct _RGX_SERVER_COMPUTE_CONTEXT_ RGX_SERVER_COMPUTE_CONTEXT;

/*!
*******************************************************************************
 @Function	PVRSRVRGXCreateComputeContextKM

 @Description


 @Input pvDeviceNode
 @Input psCmpCCBMemDesc -
 @Input psCmpCCBCtlMemDesc -
 @Output ppsFWComputeContextMemDesc -

 @Return   PVRSRV_ERROR
******************************************************************************/
IMG_EXPORT
PVRSRV_ERROR PVRSRVRGXCreateComputeContextKM(CONNECTION_DATA			*psConnection,
											 PVRSRV_DEVICE_NODE			*psDeviceNode,
											 IMG_UINT32					ui32Priority,
											 IMG_DEV_VIRTADDR			sMCUFenceAddr,
											 IMG_UINT32					ui32FrameworkRegisterSize,
											 IMG_PBYTE					pbyFrameworkRegisters,
											 IMG_HANDLE					hMemCtxPrivData,
											 IMG_DEV_VIRTADDR			sServicesSignalAddr,
											 RGX_SERVER_COMPUTE_CONTEXT	**ppsComputeContext);

/*!
*******************************************************************************
 @Function	PVRSRVRGXDestroyComputeContextKM

 @Description
	Server-side implementation of RGXDestroyComputeContext

 @Input psCleanupData -

 @Return   PVRSRV_ERROR
******************************************************************************/
IMG_EXPORT
PVRSRV_ERROR PVRSRVRGXDestroyComputeContextKM(RGX_SERVER_COMPUTE_CONTEXT *psComputeContext);


/*!
*******************************************************************************
 @Function	PVRSRVRGXKickCDMKM

 @Description
	Server-side implementation of RGXKickCDM

 @Input psDeviceNode - RGX Device node
 @Input psFWComputeContextMemDesc - Mem desc for firmware compute context
 @Input ui32cCCBWoffUpdate - New fw Woff for the client CDM CCB

 @Return   PVRSRV_ERROR
******************************************************************************/
IMG_EXPORT
PVRSRV_ERROR PVRSRVRGXKickCDMKM(RGX_SERVER_COMPUTE_CONTEXT	*psComputeContext,
								IMG_UINT32					ui32ClientCacheOpSeqNum,
								IMG_UINT32					ui32ClientFenceCount,
								SYNC_PRIMITIVE_BLOCK			**pauiClientFenceUFOSyncPrimBlock,
								IMG_UINT32					*paui32ClientFenceSyncOffset,
								IMG_UINT32					*paui32ClientFenceValue,
								IMG_UINT32					ui32ClientUpdateCount,
								SYNC_PRIMITIVE_BLOCK			**pauiClientUpdateUFOSyncPrimBlock,
								IMG_UINT32					*paui32ClientUpdateSyncOffset,
								IMG_UINT32					*paui32ClientUpdateValue,
								IMG_UINT32					ui32ServerSyncPrims,
								IMG_UINT32					*paui32ServerSyncFlags,
								SERVER_SYNC_PRIMITIVE		**pasServerSyncs,
								IMG_INT32					i32CheckFenceFd,
								IMG_INT32					i32UpdateTimelineFd,
								IMG_INT32					*pi32UpdateFenceFd,
								IMG_CHAR					pcszUpdateFenceName[32],
								IMG_UINT32					ui32CmdSize,
								IMG_PBYTE					pui8DMCmd,
								IMG_UINT32					ui32PDumpFlags,
								IMG_UINT32					ui32ExtJobRef);

/*!
*******************************************************************************
 @Function	PVRSRVRGXFlushComputeDataKM

 @Description
	Server-side implementation of RGXFlushComputeData

 @Input psComputeContext - Compute context to flush

 @Return   PVRSRV_ERROR
******************************************************************************/
IMG_EXPORT
PVRSRV_ERROR PVRSRVRGXFlushComputeDataKM(RGX_SERVER_COMPUTE_CONTEXT *psComputeContext);

/*!
*******************************************************************************

 @Function	    PVRSRVRGXNotifyComputeWriteOffsetUpdateKM
 @Description   Server-side implementation of RGXNotifyComputeWriteOffsetUpdate

 @Input         psDeviceNode - RGX Device node
 @Input         psComputeContext - Compute context to flush

 @Return   PVRSRV_ERROR

******************************************************************************/
IMG_EXPORT
PVRSRV_ERROR PVRSRVRGXNotifyComputeWriteOffsetUpdateKM(RGX_SERVER_COMPUTE_CONTEXT *psComputeContext);

PVRSRV_ERROR PVRSRVRGXSetComputeContextPriorityKM(CONNECTION_DATA *psConnection,
												  PVRSRV_DEVICE_NODE *psDeviceNode,
												  RGX_SERVER_COMPUTE_CONTEXT *psComputeContext,
												  IMG_UINT32 ui32Priority);

PVRSRV_ERROR PVRSRVRGXGetLastComputeContextResetReasonKM(RGX_SERVER_COMPUTE_CONTEXT *psComputeContext,
                                                         IMG_UINT32 *peLastResetReason,
                                                         IMG_UINT32 *pui32LastResetJobRef);

/* Debug - check if compute context is waiting on a fence */
void CheckForStalledComputeCtxt(PVRSRV_RGXDEV_INFO *psDevInfo,
					DUMPDEBUG_PRINTF_FUNC *pfnDumpDebugPrintf,
					void *pvDumpDebugFile);

/* Debug/Watchdog - check if client compute contexts are stalled */
IMG_UINT32 CheckForStalledClientComputeCtxt(PVRSRV_RGXDEV_INFO *psDevInfo);

#endif /* __RGXCOMPUTE_H__ */