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/**********************************************************************
*
* Copyright (C) Imagination Technologies Ltd. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful but, except
* as otherwise stated in writing, without any warranty; without even the
* implied warranty of merchantability or fitness for a particular purpose.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* Imagination Technologies Ltd. <gpl-support@imgtec.com>
* Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
*
******************************************************************************/
#ifndef _BUFFER_MANAGER_H_
#define _BUFFER_MANAGER_H_
#include "img_types.h"
#include "ra.h"
#include "perproc.h"
#if defined(__cplusplus)
extern "C"{
#endif
typedef struct _BM_HEAP_ BM_HEAP;
struct _BM_MAPPING_
{
enum
{
hm_wrapped = 1,
hm_wrapped_scatter,
hm_wrapped_virtaddr,
hm_wrapped_scatter_virtaddr,
hm_env,
hm_contiguous
} eCpuMemoryOrigin;
BM_HEAP *pBMHeap;
RA_ARENA *pArena;
IMG_CPU_VIRTADDR CpuVAddr;
IMG_CPU_PHYADDR CpuPAddr;
IMG_DEV_VIRTADDR DevVAddr;
IMG_SYS_PHYADDR *psSysAddr;
IMG_SIZE_T uSize;
IMG_HANDLE hOSMemHandle;
IMG_UINT32 ui32Flags;
};
typedef struct _BM_BUF_
{
IMG_CPU_VIRTADDR *CpuVAddr;
IMG_VOID *hOSMemHandle;
IMG_CPU_PHYADDR CpuPAddr;
IMG_DEV_VIRTADDR DevVAddr;
BM_MAPPING *pMapping;
IMG_UINT32 ui32RefCount;
IMG_UINT32 ui32ExportCount;
} BM_BUF;
struct _BM_HEAP_
{
IMG_UINT32 ui32Attribs;
BM_CONTEXT *pBMContext;
RA_ARENA *pImportArena;
RA_ARENA *pLocalDevMemArena;
RA_ARENA *pVMArena;
DEV_ARENA_DESCRIPTOR sDevArena;
MMU_HEAP *pMMUHeap;
PDUMP_MMU_ATTRIB *psMMUAttrib;
struct _BM_HEAP_ *psNext;
struct _BM_HEAP_ **ppsThis;
};
struct _BM_CONTEXT_
{
MMU_CONTEXT *psMMUContext;
BM_HEAP *psBMHeap;
BM_HEAP *psBMSharedHeap;
PVRSRV_DEVICE_NODE *psDeviceNode;
HASH_TABLE *pBufferHash;
IMG_HANDLE hResItem;
IMG_UINT32 ui32RefCount;
struct _BM_CONTEXT_ *psNext;
struct _BM_CONTEXT_ **ppsThis;
};
typedef IMG_VOID *BM_HANDLE;
#define BP_POOL_MASK 0x7
#define BP_CONTIGUOUS (1 << 3)
#define BP_PARAMBUFFER (1 << 4)
#define BM_MAX_DEVMEM_ARENAS 2
IMG_HANDLE
BM_CreateContext(PVRSRV_DEVICE_NODE *psDeviceNode,
IMG_DEV_PHYADDR *psPDDevPAddr,
PVRSRV_PER_PROCESS_DATA *psPerProc,
IMG_BOOL *pbCreated);
PVRSRV_ERROR
BM_DestroyContext (IMG_HANDLE hBMContext,
IMG_BOOL *pbCreated);
IMG_HANDLE
BM_CreateHeap (IMG_HANDLE hBMContext,
DEVICE_MEMORY_HEAP_INFO *psDevMemHeapInfo);
IMG_VOID
BM_DestroyHeap (IMG_HANDLE hDevMemHeap);
IMG_BOOL
BM_Reinitialise (PVRSRV_DEVICE_NODE *psDeviceNode);
IMG_BOOL
BM_Alloc (IMG_HANDLE hDevMemHeap,
IMG_DEV_VIRTADDR *psDevVAddr,
IMG_SIZE_T uSize,
IMG_UINT32 *pui32Flags,
IMG_UINT32 uDevVAddrAlignment,
BM_HANDLE *phBuf);
IMG_BOOL
BM_Wrap ( IMG_HANDLE hDevMemHeap,
IMG_SIZE_T ui32Size,
IMG_SIZE_T ui32Offset,
IMG_BOOL bPhysContig,
IMG_SYS_PHYADDR *psSysAddr,
IMG_VOID *pvCPUVAddr,
IMG_UINT32 *pui32Flags,
BM_HANDLE *phBuf);
IMG_VOID
BM_Free (BM_HANDLE hBuf,
IMG_UINT32 ui32Flags);
IMG_CPU_VIRTADDR
BM_HandleToCpuVaddr (BM_HANDLE hBuf);
IMG_DEV_VIRTADDR
BM_HandleToDevVaddr (BM_HANDLE hBuf);
IMG_SYS_PHYADDR
BM_HandleToSysPaddr (BM_HANDLE hBuf);
IMG_HANDLE
BM_HandleToOSMemHandle (BM_HANDLE hBuf);
IMG_VOID BM_GetPhysPageAddr(PVRSRV_KERNEL_MEM_INFO *psMemInfo,
IMG_DEV_VIRTADDR sDevVPageAddr,
IMG_DEV_PHYADDR *psDevPAddr);
MMU_CONTEXT* BM_GetMMUContext(IMG_HANDLE hDevMemHeap);
MMU_CONTEXT* BM_GetMMUContextFromMemContext(IMG_HANDLE hDevMemContext);
IMG_HANDLE BM_GetMMUHeap(IMG_HANDLE hDevMemHeap);
PVRSRV_DEVICE_NODE* BM_GetDeviceNode(IMG_HANDLE hDevMemContext);
IMG_HANDLE BM_GetMappingHandle(PVRSRV_KERNEL_MEM_INFO *psMemInfo);
IMG_VOID BM_Export(BM_HANDLE hBuf);
IMG_VOID BM_FreeExport(BM_HANDLE hBuf, IMG_UINT32 ui32Flags);
PVRSRV_ERROR BM_XProcWorkaroundSetShareIndex(IMG_UINT32 ui32Index);
PVRSRV_ERROR BM_XProcWorkaroundUnsetShareIndex(IMG_UINT32 ui32Index);
PVRSRV_ERROR BM_XProcWorkaroundFindNewBufferAndSetShareIndex(IMG_UINT32 *pui32Index);
PVRSRV_ERROR BM_XProcWorkaroundShareInit(void);
void BM_XProcWorkaroundShareDestroy(void);
IMG_UINT32 BM_XProcWorkaroundGetRefCount(IMG_UINT32 ui32Index);
#if defined(__cplusplus)
}
#endif
#endif
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