diff options
Diffstat (limited to 'drivers/staging/cdv/pvr/services4/srvkm/include/buffer_manager.h')
| -rw-r--r-- | drivers/staging/cdv/pvr/services4/srvkm/include/buffer_manager.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/drivers/staging/cdv/pvr/services4/srvkm/include/buffer_manager.h b/drivers/staging/cdv/pvr/services4/srvkm/include/buffer_manager.h new file mode 100644 index 000000000000..bba12a73a8c0 --- /dev/null +++ b/drivers/staging/cdv/pvr/services4/srvkm/include/buffer_manager.h @@ -0,0 +1,219 @@ +/********************************************************************** + * + * 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 + |