/*************************************************************************/ /*!
@File           vz_physheap.h
@Title          System virtualization physheap support APIs
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description    This header provides physheaps virtualization-specific APIs
@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
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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
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*/ /**************************************************************************/

#ifndef _VZ_PHYSHEAP_H_
#define _VZ_PHYSHEAP_H_

#include "pvrsrv.h"

typedef enum _PVRSRV_DEVICE_PHYS_HEAP_ORIGIN_
{
	PVRSRV_DEVICE_PHYS_HEAP_ORIGIN_HOST  = 0,
	PVRSRV_DEVICE_PHYS_HEAP_ORIGIN_GUEST = 1,
	PVRSRV_DEVICE_PHYS_HEAP_ORIGIN_LAST
} PVRSRV_DEVICE_PHYS_HEAP_ORIGIN;

/*!
******************************************************************************
 @Function			SysVzGetPhysHeapAddrSize

 @Description 		Get the address and size value of the specified device heap

 @Return			PHYS_HEAP_CONFIG * on success. Otherwise, NULL
 ******************************************************************************/
PVRSRV_ERROR SysVzGetPhysHeapAddrSize(PVRSRV_DEVICE_CONFIG *psDevConfig,
									  PVRSRV_DEVICE_PHYS_HEAP eHeap,
									  PHYS_HEAP_TYPE eType,
									  IMG_DEV_PHYADDR *psAddr,
									  IMG_UINT64 *pui64Size);

/*!
******************************************************************************
 @Function			SysVzSetPhysHeapAddrSize

 @Description 		Set physical heap configuration attributes

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR  SysVzSetPhysHeapAddrSize(PVRSRV_DEVICE_CONFIG *psDevConfig,
									   PVRSRV_DEVICE_PHYS_HEAP eHeap,
									   PHYS_HEAP_TYPE eType,
									   IMG_DEV_PHYADDR sAddr,
									   IMG_UINT64 ui64Size);

/*!
******************************************************************************
 @Function			SysVzRegisterPhysHeap

 @Description 		Registers heap with virtualization services

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR SysVzRegisterPhysHeap(PVRSRV_DEVICE_CONFIG *psDevConfig,
								   PVRSRV_DEVICE_PHYS_HEAP eHeap);

/*!
******************************************************************************
 @Function			SysVzDeregisterPhysHeap

 @Description 		Deregister heap from virtualization services

 @Return			void
 ******************************************************************************/
void SysVzDeregisterPhysHeap(PVRSRV_DEVICE_CONFIG *psDevConfig,
							 PVRSRV_DEVICE_PHYS_HEAP eHeap);


/*!
******************************************************************************
 @Function			SysVzGetPhysHeapConfig

 @Description 		Looks-up device physical heap configuration

 @Return			PHYS_HEAP_CONFIG * on success. Otherwise, NULL
 ******************************************************************************/
PHYS_HEAP_CONFIG *SysVzGetPhysHeapConfig(PVRSRV_DEVICE_CONFIG *psDevConfig,
										 PVRSRV_DEVICE_PHYS_HEAP eHeap);

/*!
******************************************************************************
 @Function			SysVzGetPhysHeapOrigin

 @Description 		Identify which driver is responsible for allocating the
					device physical heap backing-memory

 @Return			void
 ******************************************************************************/
PVRSRV_ERROR SysVzGetPhysHeapOrigin(PVRSRV_DEVICE_CONFIG *psDevConfig,
									PVRSRV_DEVICE_PHYS_HEAP eHeap,
									PVRSRV_DEVICE_PHYS_HEAP_ORIGIN *peOrigin);

/*!
******************************************************************************
 @Function			SysVzGetMemoryConfigPhysHeapType

 @Description 		Get the platform memory configuration physical heap type

 @Return			PHYS_HEAP_TYPE
 ******************************************************************************/
PHYS_HEAP_TYPE SysVzGetMemoryConfigPhysHeapType(void);

/*!
******************************************************************************
 @Function			SysVzInitDevPhysHeaps

 @Description 		Initialize device physical heap

 @Return			void
 ******************************************************************************/
PVRSRV_ERROR SysVzInitDevPhysHeaps(PVRSRV_DEVICE_CONFIG *psDevConfig);

/*!
******************************************************************************
 @Function			SysVzDeInitDevPhysHeaps

 @Description 		DeInitialize device physical heap

 @Return			void
 ******************************************************************************/
void SysVzDeInitDevPhysHeaps(PVRSRV_DEVICE_CONFIG *psDevConfig);

/*!
******************************************************************************
 @Function			SysVzCreateDevPhysHeaps

 @Description 		Create device physical heaps

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR SysVzCreateDevPhysHeaps(PVRSRV_DEVICE_CONFIG *psDevConfig);

/*!
******************************************************************************
 @Function			SysVzDestroyDevPhysHeaps

 @Description 		Destroy device physical heaps

 @Return			void
 ******************************************************************************/
void SysVzDestroyDevPhysHeaps(PVRSRV_DEVICE_CONFIG *psDevConfig);

/*!
******************************************************************************
 @Function			SysVzRegisterFwPhysHeap

 @Description 		Maps VM relative physically contiguous memory into the
 	 	 	 	 	firmware kernel memory context

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR SysVzRegisterFwPhysHeap(PVRSRV_DEVICE_CONFIG *psDevConfig);

/*!
******************************************************************************
 @Function			SysVzUnregisterFwPhysHeap

 @Description 		Unmaps VM relative physically contiguous memory from the
 	 	 	 	 	firmware kernel memory context

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR SysVzUnregisterFwPhysHeap(PVRSRV_DEVICE_CONFIG *psDevConfig);

/*!
******************************************************************************
 @Function			SysVzCreateDevPhysHeaps

 @Description 		Create guest device physical heaps

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR SysVzPvzCreateDevPhysHeaps(IMG_UINT32 ui32OSID,
										IMG_UINT32 ui32DevID,
										IMG_UINT32 *peType,
										IMG_UINT64 *pui64FwSize,
										IMG_UINT64 *pui64FwAddr,
										IMG_UINT64 *pui64GpuSize,
										IMG_UINT64 *puiGpuAddr);

/*!
******************************************************************************
 @Function			SysVzDestroyDevPhysHeaps

 @Description 		Destroy guest device physical heaps

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR SysVzPvzDestroyDevPhysHeaps(IMG_UINT32 ui32OSID, IMG_UINT32 ui32DevID);

/*!
******************************************************************************
 @Function			SysVzRegisterFwPhysHeap

 @Description 		Maps guest VM relative physically contiguous memory into
					the firmware kernel memory context

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR SysVzPvzRegisterFwPhysHeap(IMG_UINT32 ui32OSID,
										IMG_UINT32 ui32DevID,
										IMG_UINT64 ui64Size,
										IMG_UINT64 ui64Addr);

/*!
******************************************************************************
 @Function			SysVzUnregisterFwPhysHeap

 @Description 		Unmaps guest VM relative physically contiguous memory from
					the firmware kernel memory context

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR SysVzPvzUnregisterFwPhysHeap(IMG_UINT32 ui32OSID, IMG_UINT32 ui32DevID);

#endif /* _VZ_PHYSHEAP_H_ */

/*****************************************************************************
 End of file (vz_physheap.h)
*****************************************************************************/