diff options
Diffstat (limited to 'drivers/gpu/drm/emgd/pvr/services4/srvkm/common/devicemem.c')
| -rw-r--r-- | drivers/gpu/drm/emgd/pvr/services4/srvkm/common/devicemem.c | 1456 |
1 files changed, 0 insertions, 1456 deletions
diff --git a/drivers/gpu/drm/emgd/pvr/services4/srvkm/common/devicemem.c b/drivers/gpu/drm/emgd/pvr/services4/srvkm/common/devicemem.c deleted file mode 100644 index 849a98e1a06e..000000000000 --- a/drivers/gpu/drm/emgd/pvr/services4/srvkm/common/devicemem.c +++ /dev/null @@ -1,1456 +0,0 @@ -/********************************************************************** - * - * Copyright(c) 2008 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 - * - ******************************************************************************/ - -#include <stddef.h> - -#include "services_headers.h" -#include "buffer_manager.h" -#include "pdump_km.h" -#include "pvr_bridge_km.h" - -static PVRSRV_ERROR AllocDeviceMem(IMG_HANDLE hDevCookie, - IMG_HANDLE hDevMemHeap, - IMG_UINT32 ui32Flags, - IMG_SIZE_T ui32Size, - IMG_SIZE_T ui32Alignment, - PVRSRV_KERNEL_MEM_INFO **ppsMemInfo); - -typedef struct _RESMAN_MAP_DEVICE_MEM_DATA_ -{ - - PVRSRV_KERNEL_MEM_INFO *psMemInfo; - - PVRSRV_KERNEL_MEM_INFO *psSrcMemInfo; -} RESMAN_MAP_DEVICE_MEM_DATA; - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVGetDeviceMemHeapsKM(IMG_HANDLE hDevCookie, - PVRSRV_HEAP_INFO *psHeapInfo) -{ - PVRSRV_DEVICE_NODE *psDeviceNode; - IMG_UINT32 ui32HeapCount; - DEVICE_MEMORY_HEAP_INFO *psDeviceMemoryHeap; - IMG_UINT32 i; - - if (hDevCookie == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVGetDeviceMemHeapsKM: hDevCookie invalid")); - PVR_DBG_BREAK; - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDeviceNode = (PVRSRV_DEVICE_NODE *)hDevCookie; - - - ui32HeapCount = psDeviceNode->sDevMemoryInfo.ui32HeapCount; - psDeviceMemoryHeap = psDeviceNode->sDevMemoryInfo.psDeviceMemoryHeap; - - - PVR_ASSERT(ui32HeapCount <= PVRSRV_MAX_CLIENT_HEAPS); - - - for(i=0; i<ui32HeapCount; i++) - { - - psHeapInfo[i].ui32HeapID = psDeviceMemoryHeap[i].ui32HeapID; - psHeapInfo[i].hDevMemHeap = psDeviceMemoryHeap[i].hDevMemHeap; - psHeapInfo[i].sDevVAddrBase = psDeviceMemoryHeap[i].sDevVAddrBase; - psHeapInfo[i].ui32HeapByteSize = psDeviceMemoryHeap[i].ui32HeapSize; - psHeapInfo[i].ui32Attribs = psDeviceMemoryHeap[i].ui32Attribs; - } - - for(; i < PVRSRV_MAX_CLIENT_HEAPS; i++) - { - OSMemSet(psHeapInfo + i, 0, sizeof(*psHeapInfo)); - psHeapInfo[i].ui32HeapID = (IMG_UINT32)PVRSRV_UNDEFINED_HEAP_ID; - } - - return PVRSRV_OK; -} - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVCreateDeviceMemContextKM(IMG_HANDLE hDevCookie, - PVRSRV_PER_PROCESS_DATA *psPerProc, - IMG_HANDLE *phDevMemContext, - IMG_UINT32 *pui32ClientHeapCount, - PVRSRV_HEAP_INFO *psHeapInfo, - IMG_BOOL *pbCreated, - IMG_BOOL *pbShared) -{ - PVRSRV_DEVICE_NODE *psDeviceNode; - IMG_UINT32 ui32HeapCount, ui32ClientHeapCount=0; - DEVICE_MEMORY_HEAP_INFO *psDeviceMemoryHeap; - IMG_HANDLE hDevMemContext; - IMG_HANDLE hDevMemHeap; - IMG_DEV_PHYADDR sPDDevPAddr; - IMG_UINT32 i; - -#if !defined(PVR_SECURE_HANDLES) - PVR_UNREFERENCED_PARAMETER(pbShared); -#endif - - if (hDevCookie == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVCreateDeviceMemContextKM: hDevCookie invalid")); - PVR_DBG_BREAK; - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDeviceNode = (PVRSRV_DEVICE_NODE *)hDevCookie; - - - - ui32HeapCount = psDeviceNode->sDevMemoryInfo.ui32HeapCount; - psDeviceMemoryHeap = psDeviceNode->sDevMemoryInfo.psDeviceMemoryHeap; - - - - PVR_ASSERT(ui32HeapCount <= PVRSRV_MAX_CLIENT_HEAPS); - - - - hDevMemContext = BM_CreateContext(psDeviceNode, - &sPDDevPAddr, - psPerProc, - pbCreated); - if (hDevMemContext == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDeviceMemContextKM: Failed BM_CreateContext")); - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - - for(i=0; i<ui32HeapCount; i++) - { - switch(psDeviceMemoryHeap[i].DevMemHeapType) - { - case DEVICE_MEMORY_HEAP_SHARED_EXPORTED: - { - - psHeapInfo[ui32ClientHeapCount].ui32HeapID = psDeviceMemoryHeap[i].ui32HeapID; - psHeapInfo[ui32ClientHeapCount].hDevMemHeap = psDeviceMemoryHeap[i].hDevMemHeap; - psHeapInfo[ui32ClientHeapCount].sDevVAddrBase = psDeviceMemoryHeap[i].sDevVAddrBase; - psHeapInfo[ui32ClientHeapCount].ui32HeapByteSize = psDeviceMemoryHeap[i].ui32HeapSize; - psHeapInfo[ui32ClientHeapCount].ui32Attribs = psDeviceMemoryHeap[i].ui32Attribs; -#if defined(PVR_SECURE_HANDLES) - pbShared[ui32ClientHeapCount] = IMG_TRUE; -#endif - ui32ClientHeapCount++; - break; - } - case DEVICE_MEMORY_HEAP_PERCONTEXT: - { - hDevMemHeap = BM_CreateHeap(hDevMemContext, - &psDeviceMemoryHeap[i]); - - - psHeapInfo[ui32ClientHeapCount].ui32HeapID = psDeviceMemoryHeap[i].ui32HeapID; - psHeapInfo[ui32ClientHeapCount].hDevMemHeap = hDevMemHeap; - psHeapInfo[ui32ClientHeapCount].sDevVAddrBase = psDeviceMemoryHeap[i].sDevVAddrBase; - psHeapInfo[ui32ClientHeapCount].ui32HeapByteSize = psDeviceMemoryHeap[i].ui32HeapSize; - psHeapInfo[ui32ClientHeapCount].ui32Attribs = psDeviceMemoryHeap[i].ui32Attribs; -#if defined(PVR_SECURE_HANDLES) - pbShared[ui32ClientHeapCount] = IMG_FALSE; -#endif - - ui32ClientHeapCount++; - break; - } - } - } - - - *pui32ClientHeapCount = ui32ClientHeapCount; - *phDevMemContext = hDevMemContext; - - return PVRSRV_OK; -} - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVDestroyDeviceMemContextKM(IMG_HANDLE hDevCookie, - IMG_HANDLE hDevMemContext, - IMG_BOOL *pbDestroyed) -{ - PVR_UNREFERENCED_PARAMETER(hDevCookie); - - return BM_DestroyContext(hDevMemContext, pbDestroyed); -} - - - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVGetDeviceMemHeapInfoKM(IMG_HANDLE hDevCookie, - IMG_HANDLE hDevMemContext, - IMG_UINT32 *pui32ClientHeapCount, - PVRSRV_HEAP_INFO *psHeapInfo, - IMG_BOOL *pbShared) -{ - PVRSRV_DEVICE_NODE *psDeviceNode; - IMG_UINT32 ui32HeapCount, ui32ClientHeapCount=0; - DEVICE_MEMORY_HEAP_INFO *psDeviceMemoryHeap; - IMG_HANDLE hDevMemHeap; - IMG_UINT32 i; - -#if !defined(PVR_SECURE_HANDLES) - PVR_UNREFERENCED_PARAMETER(pbShared); -#endif - - if (hDevCookie == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVGetDeviceMemHeapInfoKM: hDevCookie invalid")); - PVR_DBG_BREAK; - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDeviceNode = (PVRSRV_DEVICE_NODE *)hDevCookie; - - - - ui32HeapCount = psDeviceNode->sDevMemoryInfo.ui32HeapCount; - psDeviceMemoryHeap = psDeviceNode->sDevMemoryInfo.psDeviceMemoryHeap; - - - - PVR_ASSERT(ui32HeapCount <= PVRSRV_MAX_CLIENT_HEAPS); - - - for(i=0; i<ui32HeapCount; i++) - { - switch(psDeviceMemoryHeap[i].DevMemHeapType) - { - case DEVICE_MEMORY_HEAP_SHARED_EXPORTED: - { - - psHeapInfo[ui32ClientHeapCount].ui32HeapID = psDeviceMemoryHeap[i].ui32HeapID; - psHeapInfo[ui32ClientHeapCount].hDevMemHeap = psDeviceMemoryHeap[i].hDevMemHeap; - psHeapInfo[ui32ClientHeapCount].sDevVAddrBase = psDeviceMemoryHeap[i].sDevVAddrBase; - psHeapInfo[ui32ClientHeapCount].ui32HeapByteSize = psDeviceMemoryHeap[i].ui32HeapSize; - psHeapInfo[ui32ClientHeapCount].ui32Attribs = psDeviceMemoryHeap[i].ui32Attribs; -#if defined(PVR_SECURE_HANDLES) - pbShared[ui32ClientHeapCount] = IMG_TRUE; -#endif - ui32ClientHeapCount++; - break; - } - case DEVICE_MEMORY_HEAP_PERCONTEXT: - { - hDevMemHeap = BM_CreateHeap(hDevMemContext, - &psDeviceMemoryHeap[i]); - - - psHeapInfo[ui32ClientHeapCount].ui32HeapID = psDeviceMemoryHeap[i].ui32HeapID; - psHeapInfo[ui32ClientHeapCount].hDevMemHeap = hDevMemHeap; - psHeapInfo[ui32ClientHeapCount].sDevVAddrBase = psDeviceMemoryHeap[i].sDevVAddrBase; - psHeapInfo[ui32ClientHeapCount].ui32HeapByteSize = psDeviceMemoryHeap[i].ui32HeapSize; - psHeapInfo[ui32ClientHeapCount].ui32Attribs = psDeviceMemoryHeap[i].ui32Attribs; -#if defined(PVR_SECURE_HANDLES) - pbShared[ui32ClientHeapCount] = IMG_FALSE; -#endif - - ui32ClientHeapCount++; - break; - } - } - } - - - *pui32ClientHeapCount = ui32ClientHeapCount; - - return PVRSRV_OK; -} - - -static PVRSRV_ERROR AllocDeviceMem(IMG_HANDLE hDevCookie, - IMG_HANDLE hDevMemHeap, - IMG_UINT32 ui32Flags, - IMG_SIZE_T ui32Size, - IMG_SIZE_T ui32Alignment, - PVRSRV_KERNEL_MEM_INFO **ppsMemInfo) -{ - PVRSRV_KERNEL_MEM_INFO *psMemInfo; - BM_HANDLE hBuffer; - - PVRSRV_MEMBLK *psMemBlock; - IMG_BOOL bBMError; - - PVR_UNREFERENCED_PARAMETER(hDevCookie); - - *ppsMemInfo = IMG_NULL; - - if(OSAllocMem(PVRSRV_PAGEABLE_SELECT, - sizeof(PVRSRV_KERNEL_MEM_INFO), - (IMG_VOID **)&psMemInfo, IMG_NULL, - "Kernel Memory Info") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"AllocDeviceMem: Failed to alloc memory for block")); - return (PVRSRV_ERROR_OUT_OF_MEMORY); - } - - OSMemSet(psMemInfo, 0, sizeof(*psMemInfo)); - - psMemBlock = &(psMemInfo->sMemBlk); - - - psMemInfo->ui32Flags = ui32Flags | PVRSRV_MEM_RAM_BACKED_ALLOCATION; - - bBMError = BM_Alloc (hDevMemHeap, - IMG_NULL, - ui32Size, - &psMemInfo->ui32Flags, - IMG_CAST_TO_DEVVADDR_UINT(ui32Alignment), - &hBuffer); - - if (!bBMError) - { - PVR_DPF((PVR_DBG_ERROR,"AllocDeviceMem: BM_Alloc Failed")); - OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(PVRSRV_KERNEL_MEM_INFO), psMemInfo, IMG_NULL); - - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - - psMemBlock->sDevVirtAddr = BM_HandleToDevVaddr(hBuffer); - psMemBlock->hOSMemHandle = BM_HandleToOSMemHandle(hBuffer); - - - psMemBlock->hBuffer = (IMG_HANDLE)hBuffer; - - - - psMemInfo->pvLinAddrKM = BM_HandleToCpuVaddr(hBuffer); - - psMemInfo->sDevVAddr = psMemBlock->sDevVirtAddr; - - psMemInfo->ui32AllocSize = ui32Size; - - - psMemInfo->pvSysBackupBuffer = IMG_NULL; - - - *ppsMemInfo = psMemInfo; - - - return (PVRSRV_OK); -} - -static PVRSRV_ERROR FreeDeviceMem2(PVRSRV_KERNEL_MEM_INFO *psMemInfo, IMG_BOOL bFromAllocator) -{ - BM_HANDLE hBuffer; - - if (!psMemInfo) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - - hBuffer = psMemInfo->sMemBlk.hBuffer; - - - if (bFromAllocator) - BM_Free(hBuffer, psMemInfo->ui32Flags); - else - BM_FreeExport(hBuffer, psMemInfo->ui32Flags); - - - if ((psMemInfo->pvSysBackupBuffer) && bFromAllocator) - { - - OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, psMemInfo->ui32AllocSize, psMemInfo->pvSysBackupBuffer, IMG_NULL); - psMemInfo->pvSysBackupBuffer = IMG_NULL; - } - - if (psMemInfo->ui32RefCount == 0) - OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(PVRSRV_KERNEL_MEM_INFO), psMemInfo, IMG_NULL); - - - return(PVRSRV_OK); -} - -static PVRSRV_ERROR FreeDeviceMem(PVRSRV_KERNEL_MEM_INFO *psMemInfo) -{ - BM_HANDLE hBuffer; - - if (!psMemInfo) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - - hBuffer = psMemInfo->sMemBlk.hBuffer; - - - BM_Free(hBuffer, psMemInfo->ui32Flags); - - if(psMemInfo->pvSysBackupBuffer) - { - - OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, psMemInfo->ui32AllocSize, psMemInfo->pvSysBackupBuffer, IMG_NULL); - psMemInfo->pvSysBackupBuffer = IMG_NULL; - } - - OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(PVRSRV_KERNEL_MEM_INFO), psMemInfo, IMG_NULL); - - - return(PVRSRV_OK); -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVAllocSyncInfoKM(IMG_HANDLE hDevCookie, - IMG_HANDLE hDevMemContext, - PVRSRV_KERNEL_SYNC_INFO **ppsKernelSyncInfo) -{ - IMG_HANDLE hSyncDevMemHeap; - DEVICE_MEMORY_INFO *psDevMemoryInfo; - BM_CONTEXT *pBMContext; - PVRSRV_ERROR eError; - PVRSRV_KERNEL_SYNC_INFO *psKernelSyncInfo; - PVRSRV_SYNC_DATA *psSyncData; - - eError = OSAllocMem(PVRSRV_PAGEABLE_SELECT, - sizeof(PVRSRV_KERNEL_SYNC_INFO), - (IMG_VOID **)&psKernelSyncInfo, IMG_NULL, - "Kernel Synchronization Info"); - if (eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVAllocSyncInfoKM: Failed to alloc memory")); - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - psKernelSyncInfo->ui32RefCount = 0; - - - pBMContext = (BM_CONTEXT*)hDevMemContext; - psDevMemoryInfo = &pBMContext->psDeviceNode->sDevMemoryInfo; - - - hSyncDevMemHeap = psDevMemoryInfo->psDeviceMemoryHeap[psDevMemoryInfo->ui32SyncHeapID].hDevMemHeap; - - - - - eError = AllocDeviceMem(hDevCookie, - hSyncDevMemHeap, - PVRSRV_MEM_CACHE_CONSISTENT, - sizeof(PVRSRV_SYNC_DATA), - sizeof(IMG_UINT32), - &psKernelSyncInfo->psSyncDataMemInfoKM); - - if (eError != PVRSRV_OK) - { - - PVR_DPF((PVR_DBG_ERROR,"PVRSRVAllocSyncInfoKM: Failed to alloc memory")); - OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(PVRSRV_KERNEL_SYNC_INFO), psKernelSyncInfo, IMG_NULL); - - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - - psKernelSyncInfo->psSyncData = psKernelSyncInfo->psSyncDataMemInfoKM->pvLinAddrKM; - psSyncData = psKernelSyncInfo->psSyncData; - - psSyncData->ui32WriteOpsPending = 0; - psSyncData->ui32WriteOpsComplete = 0; - psSyncData->ui32ReadOpsPending = 0; - psSyncData->ui32ReadOpsComplete = 0; - psSyncData->ui32LastOpDumpVal = 0; - psSyncData->ui32LastReadOpDumpVal = 0; - -#if defined(PDUMP) - PDUMPMEM(psKernelSyncInfo->psSyncDataMemInfoKM->pvLinAddrKM, - psKernelSyncInfo->psSyncDataMemInfoKM, - 0, - psKernelSyncInfo->psSyncDataMemInfoKM->ui32AllocSize, - PDUMP_FLAGS_CONTINUOUS, - MAKEUNIQUETAG(psKernelSyncInfo->psSyncDataMemInfoKM)); -#endif - - psKernelSyncInfo->sWriteOpsCompleteDevVAddr.uiAddr = psKernelSyncInfo->psSyncDataMemInfoKM->sDevVAddr.uiAddr + offsetof(PVRSRV_SYNC_DATA, ui32WriteOpsComplete); - psKernelSyncInfo->sReadOpsCompleteDevVAddr.uiAddr = psKernelSyncInfo->psSyncDataMemInfoKM->sDevVAddr.uiAddr + offsetof(PVRSRV_SYNC_DATA, ui32ReadOpsComplete); - - - psKernelSyncInfo->psSyncDataMemInfoKM->psKernelSyncInfo = IMG_NULL; - - - *ppsKernelSyncInfo = psKernelSyncInfo; - - return PVRSRV_OK; -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVFreeSyncInfoKM(PVRSRV_KERNEL_SYNC_INFO *psKernelSyncInfo) -{ - PVRSRV_ERROR eError; - - if (psKernelSyncInfo->ui32RefCount != 0) - { - PVR_DPF((PVR_DBG_ERROR, "oops: sync info ref count not zero at destruction")); - - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - eError = FreeDeviceMem(psKernelSyncInfo->psSyncDataMemInfoKM); - (IMG_VOID)OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(PVRSRV_KERNEL_SYNC_INFO), psKernelSyncInfo, IMG_NULL); - - - return eError; -} - -static IMG_VOID freeWrapped(PVRSRV_KERNEL_MEM_INFO *psMemInfo) -{ - IMG_HANDLE hOSWrapMem = psMemInfo->sMemBlk.hOSWrapMem; - - - if(psMemInfo->sMemBlk.psIntSysPAddr) - { - OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(IMG_SYS_PHYADDR), psMemInfo->sMemBlk.psIntSysPAddr, IMG_NULL); - psMemInfo->sMemBlk.psIntSysPAddr = IMG_NULL; - } - - if(hOSWrapMem) - { - OSReleasePhysPageAddr(hOSWrapMem); - } -} - -static PVRSRV_ERROR FreeMemCallBackCommon(PVRSRV_KERNEL_MEM_INFO *psMemInfo, - IMG_UINT32 ui32Param, - IMG_BOOL bFromAllocator) -{ - PVRSRV_ERROR eError = PVRSRV_OK; - - PVR_UNREFERENCED_PARAMETER(ui32Param); - - - psMemInfo->ui32RefCount--; - - - if((psMemInfo->ui32Flags & PVRSRV_MEM_EXPORTED) && (bFromAllocator == IMG_TRUE)) - { - IMG_HANDLE hMemInfo = IMG_NULL; - - - eError = PVRSRVFindHandle(KERNEL_HANDLE_BASE, - &hMemInfo, - psMemInfo, - PVRSRV_HANDLE_TYPE_MEM_INFO); - if(eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "FreeMemCallBackCommon: can't find exported meminfo in the global handle list")); - return eError; - } - - - eError = PVRSRVReleaseHandle(KERNEL_HANDLE_BASE, - hMemInfo, - PVRSRV_HANDLE_TYPE_MEM_INFO); - if(eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "FreeMemCallBackCommon: PVRSRVReleaseHandle failed for exported meminfo")); - return eError; - } - } - - - if (psMemInfo->ui32RefCount == 0) - { - switch(psMemInfo->memType) - { - - case PVRSRV_MEMTYPE_WRAPPED: - freeWrapped(psMemInfo); - case PVRSRV_MEMTYPE_DEVICE: - if (psMemInfo->psKernelSyncInfo) - { - psMemInfo->psKernelSyncInfo->ui32RefCount--; - - if (psMemInfo->psKernelSyncInfo->ui32RefCount == 0) - { - eError = PVRSRVFreeSyncInfoKM(psMemInfo->psKernelSyncInfo); - } - } - case PVRSRV_MEMTYPE_DEVICECLASS: - break; - default: - PVR_DPF((PVR_DBG_ERROR, "FreeMemCallBackCommon: Unknown memType")); - return PVRSRV_ERROR_GENERIC; - } - } - - - return FreeDeviceMem2(psMemInfo, bFromAllocator); -} - -static PVRSRV_ERROR FreeDeviceMemCallBack(IMG_PVOID pvParam, - IMG_UINT32 ui32Param) -{ - PVRSRV_KERNEL_MEM_INFO *psMemInfo = (PVRSRV_KERNEL_MEM_INFO *)pvParam; - - return FreeMemCallBackCommon(psMemInfo, ui32Param, IMG_TRUE); -} - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVFreeDeviceMemKM(IMG_HANDLE hDevCookie, - PVRSRV_KERNEL_MEM_INFO *psMemInfo) -{ - PVRSRV_ERROR eError; - - PVR_UNREFERENCED_PARAMETER(hDevCookie); - - if (!psMemInfo) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - - if (psMemInfo->sMemBlk.hResItem != IMG_NULL) - { - eError = ResManFreeResByPtr(psMemInfo->sMemBlk.hResItem); - } - else - { - - eError = FreeDeviceMemCallBack(psMemInfo, 0); - } - - return eError; -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV _PVRSRVAllocDeviceMemKM(IMG_HANDLE hDevCookie, - PVRSRV_PER_PROCESS_DATA *psPerProc, - IMG_HANDLE hDevMemHeap, - IMG_UINT32 ui32Flags, - IMG_SIZE_T ui32Size, - IMG_SIZE_T ui32Alignment, - PVRSRV_KERNEL_MEM_INFO **ppsMemInfo) -{ - PVRSRV_KERNEL_MEM_INFO *psMemInfo; - PVRSRV_ERROR eError; - BM_HEAP *psBMHeap; - IMG_HANDLE hDevMemContext; - - if (!hDevMemHeap || - (ui32Size == 0)) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - - - if (ui32Flags & PVRSRV_HAP_CACHETYPE_MASK) - { - if (((ui32Size % HOST_PAGESIZE()) != 0) || - ((ui32Alignment % HOST_PAGESIZE()) != 0)) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - } - - eError = AllocDeviceMem(hDevCookie, - hDevMemHeap, - ui32Flags, - ui32Size, - ui32Alignment, - &psMemInfo); - - if (eError != PVRSRV_OK) - { - return eError; - } - - if (ui32Flags & PVRSRV_MEM_NO_SYNCOBJ) - { - psMemInfo->psKernelSyncInfo = IMG_NULL; - } - else - { - - - - psBMHeap = (BM_HEAP*)hDevMemHeap; - hDevMemContext = (IMG_HANDLE)psBMHeap->pBMContext; - eError = PVRSRVAllocSyncInfoKM(hDevCookie, - hDevMemContext, - &psMemInfo->psKernelSyncInfo); - if(eError != PVRSRV_OK) - { - goto free_mainalloc; - } - psMemInfo->psKernelSyncInfo->ui32RefCount++; - } - - - *ppsMemInfo = psMemInfo; - - if (ui32Flags & PVRSRV_MEM_NO_RESMAN) - { - psMemInfo->sMemBlk.hResItem = IMG_NULL; - } - else - { - - psMemInfo->sMemBlk.hResItem = ResManRegisterRes(psPerProc->hResManContext, - RESMAN_TYPE_DEVICEMEM_ALLOCATION, - psMemInfo, - 0, - FreeDeviceMemCallBack); - if (psMemInfo->sMemBlk.hResItem == IMG_NULL) - { - - eError = PVRSRV_ERROR_OUT_OF_MEMORY; - goto free_mainalloc; - } - } - - - psMemInfo->ui32RefCount++; - - psMemInfo->memType = PVRSRV_MEMTYPE_DEVICE; - - - return (PVRSRV_OK); - -free_mainalloc: - FreeDeviceMem(psMemInfo); - - return eError; -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVDissociateDeviceMemKM(IMG_HANDLE hDevCookie, - PVRSRV_KERNEL_MEM_INFO *psMemInfo) -{ - PVRSRV_ERROR eError; - PVRSRV_DEVICE_NODE *psDeviceNode = hDevCookie; - - PVR_UNREFERENCED_PARAMETER(hDevCookie); - - if (!psMemInfo) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - - eError = ResManDissociateRes(psMemInfo->sMemBlk.hResItem, psDeviceNode->hResManContext); - - PVR_ASSERT(eError == PVRSRV_OK); - - return eError; -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVGetFreeDeviceMemKM(IMG_UINT32 ui32Flags, - IMG_SIZE_T *pui32Total, - IMG_SIZE_T *pui32Free, - IMG_SIZE_T *pui32LargestBlock) -{ - - - PVR_UNREFERENCED_PARAMETER(ui32Flags); - PVR_UNREFERENCED_PARAMETER(pui32Total); - PVR_UNREFERENCED_PARAMETER(pui32Free); - PVR_UNREFERENCED_PARAMETER(pui32LargestBlock); - - return PVRSRV_OK; -} - - - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVUnwrapExtMemoryKM (PVRSRV_KERNEL_MEM_INFO *psMemInfo) -{ - if (!psMemInfo) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - - return ResManFreeResByPtr(psMemInfo->sMemBlk.hResItem); -} - - -static PVRSRV_ERROR UnwrapExtMemoryCallBack(IMG_PVOID pvParam, - IMG_UINT32 ui32Param) -{ - PVRSRV_KERNEL_MEM_INFO *psMemInfo = pvParam; - - return FreeMemCallBackCommon(psMemInfo, ui32Param, IMG_TRUE); -} - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVWrapExtMemoryKM(IMG_HANDLE hDevCookie, - PVRSRV_PER_PROCESS_DATA *psPerProc, - IMG_HANDLE hDevMemContext, - IMG_SIZE_T ui32ByteSize, - IMG_SIZE_T ui32PageOffset, - IMG_BOOL bPhysContig, - IMG_SYS_PHYADDR *psExtSysPAddr, - IMG_VOID *pvLinAddr, - IMG_UINT32 ui32Flags, - PVRSRV_KERNEL_MEM_INFO **ppsMemInfo) -{ - PVRSRV_KERNEL_MEM_INFO *psMemInfo = IMG_NULL; - DEVICE_MEMORY_INFO *psDevMemoryInfo; - IMG_SIZE_T ui32HostPageSize = HOST_PAGESIZE(); - IMG_HANDLE hDevMemHeap = IMG_NULL; - PVRSRV_DEVICE_NODE* psDeviceNode; - BM_HANDLE hBuffer; - PVRSRV_MEMBLK *psMemBlock; - IMG_BOOL bBMError; - BM_HEAP *psBMHeap; - PVRSRV_ERROR eError; - IMG_VOID *pvPageAlignedCPUVAddr; - IMG_SYS_PHYADDR *psIntSysPAddr = IMG_NULL; - IMG_HANDLE hOSWrapMem = IMG_NULL; - DEVICE_MEMORY_HEAP_INFO *psDeviceMemoryHeap; - IMG_SIZE_T ui32PageCount = 0; - IMG_UINT32 i; - - psDeviceNode = (PVRSRV_DEVICE_NODE*)hDevCookie; - PVR_ASSERT(psDeviceNode != IMG_NULL); - - if (psDeviceNode == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "PVRSRVWrapExtMemoryKM: invalid parameter")); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - if(pvLinAddr) - { - - ui32PageOffset = (IMG_UINTPTR_T)pvLinAddr & (ui32HostPageSize - 1); - - - ui32PageCount = HOST_PAGEALIGN(ui32ByteSize + ui32PageOffset) / ui32HostPageSize; - pvPageAlignedCPUVAddr = (IMG_VOID *)((IMG_UINTPTR_T)pvLinAddr - ui32PageOffset); - - - if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, - ui32PageCount * sizeof(IMG_SYS_PHYADDR), - (IMG_VOID **)&psIntSysPAddr, IMG_NULL, - "Array of Page Addresses") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVWrapExtMemoryKM: Failed to alloc memory for block")); - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - eError = OSAcquirePhysPageAddr(pvPageAlignedCPUVAddr, - ui32PageCount * ui32HostPageSize, - psIntSysPAddr, - &hOSWrapMem, - (ui32Flags != 0) ? IMG_TRUE : IMG_FALSE); - if(eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVWrapExtMemoryKM: Failed to alloc memory for block")); - eError = PVRSRV_ERROR_OUT_OF_MEMORY; - goto ErrorExitPhase1; - } - - - psExtSysPAddr = psIntSysPAddr; - - - - bPhysContig = IMG_FALSE; - } - else - { - - } - - - psDevMemoryInfo = &((BM_CONTEXT*)hDevMemContext)->psDeviceNode->sDevMemoryInfo; - psDeviceMemoryHeap = psDevMemoryInfo->psDeviceMemoryHeap; - for(i=0; i<PVRSRV_MAX_CLIENT_HEAPS; i++) - { - if(HEAP_IDX(psDeviceMemoryHeap[i].ui32HeapID) == psDevMemoryInfo->ui32MappingHeapID) - { - if(psDeviceMemoryHeap[i].DevMemHeapType == DEVICE_MEMORY_HEAP_PERCONTEXT) - { - - hDevMemHeap = BM_CreateHeap(hDevMemContext, &psDeviceMemoryHeap[i]); - } - else - { - hDevMemHeap = psDevMemoryInfo->psDeviceMemoryHeap[i].hDevMemHeap; - } - break; - } - } - - if(hDevMemHeap == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVWrapExtMemoryKM: unable to find mapping heap")); - eError = PVRSRV_ERROR_GENERIC; - goto ErrorExitPhase2; - } - - if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, - sizeof(PVRSRV_KERNEL_MEM_INFO), - (IMG_VOID **)&psMemInfo, IMG_NULL, - "Kernel Memory Info") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVWrapExtMemoryKM: Failed to alloc memory for block")); - eError = PVRSRV_ERROR_OUT_OF_MEMORY; - goto ErrorExitPhase2; - } - - OSMemSet(psMemInfo, 0, sizeof(*psMemInfo)); - psMemInfo->ui32Flags = ui32Flags; - - psMemBlock = &(psMemInfo->sMemBlk); - - bBMError = BM_Wrap(hDevMemHeap, - ui32ByteSize, - ui32PageOffset, - bPhysContig, - psExtSysPAddr, - IMG_NULL, - &psMemInfo->ui32Flags, - &hBuffer); - if (!bBMError) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVWrapExtMemoryKM: BM_Wrap Failed")); - eError = PVRSRV_ERROR_BAD_MAPPING; - goto ErrorExitPhase3; - } - - - psMemBlock->sDevVirtAddr = BM_HandleToDevVaddr(hBuffer); - psMemBlock->hOSMemHandle = BM_HandleToOSMemHandle(hBuffer); - psMemBlock->hOSWrapMem = hOSWrapMem; - psMemBlock->psIntSysPAddr = psIntSysPAddr; - - - psMemBlock->hBuffer = (IMG_HANDLE)hBuffer; - - - psMemInfo->pvLinAddrKM = BM_HandleToCpuVaddr(hBuffer); - psMemInfo->sDevVAddr = psMemBlock->sDevVirtAddr; - psMemInfo->ui32AllocSize = ui32ByteSize; - - - - psMemInfo->pvSysBackupBuffer = IMG_NULL; - - - - - psBMHeap = (BM_HEAP*)hDevMemHeap; - hDevMemContext = (IMG_HANDLE)psBMHeap->pBMContext; - eError = PVRSRVAllocSyncInfoKM(hDevCookie, - hDevMemContext, - &psMemInfo->psKernelSyncInfo); - if(eError != PVRSRV_OK) - { - goto ErrorExitPhase4; - } - - psMemInfo->psKernelSyncInfo->ui32RefCount++; - - psMemInfo->memType = PVRSRV_MEMTYPE_WRAPPED; - - - psMemInfo->ui32RefCount++; - - - psMemInfo->sMemBlk.hResItem = ResManRegisterRes(psPerProc->hResManContext, - RESMAN_TYPE_DEVICEMEM_WRAP, - psMemInfo, - 0, - UnwrapExtMemoryCallBack); - - - *ppsMemInfo = psMemInfo; - - return PVRSRV_OK; - - - -ErrorExitPhase4: - if(psMemInfo) - { - FreeDeviceMem(psMemInfo); - - - - psMemInfo = IMG_NULL; - } - -ErrorExitPhase3: - if(psMemInfo) - { - OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_KERNEL_MEM_INFO), psMemInfo, IMG_NULL); - - } - -ErrorExitPhase2: - if(psIntSysPAddr) - { - OSReleasePhysPageAddr(hOSWrapMem); - } - -ErrorExitPhase1: - if(psIntSysPAddr) - { - OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, ui32PageCount * sizeof(IMG_SYS_PHYADDR), psIntSysPAddr, IMG_NULL); - - } - - return eError; -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVUnmapDeviceMemoryKM (PVRSRV_KERNEL_MEM_INFO *psMemInfo) -{ - if (!psMemInfo) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - - return ResManFreeResByPtr(psMemInfo->sMemBlk.hResItem); -} - - -static PVRSRV_ERROR UnmapDeviceMemoryCallBack(IMG_PVOID pvParam, - IMG_UINT32 ui32Param) -{ - PVRSRV_ERROR eError; - RESMAN_MAP_DEVICE_MEM_DATA *psMapData = pvParam; - - PVR_UNREFERENCED_PARAMETER(ui32Param); - - if(psMapData->psMemInfo->sMemBlk.psIntSysPAddr) - { - OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(IMG_SYS_PHYADDR), psMapData->psMemInfo->sMemBlk.psIntSysPAddr, IMG_NULL); - psMapData->psMemInfo->sMemBlk.psIntSysPAddr = IMG_NULL; - } - - psMapData->psMemInfo->psKernelSyncInfo->ui32RefCount--; - if (psMapData->psMemInfo->psKernelSyncInfo->ui32RefCount == 0) - { - eError = PVRSRVFreeSyncInfoKM(psMapData->psMemInfo->psKernelSyncInfo); - if(eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"UnmapDeviceMemoryCallBack: Failed to free sync info")); - return eError; - } - } - - eError = FreeDeviceMem(psMapData->psMemInfo); - if(eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"UnmapDeviceMemoryCallBack: Failed to free DST meminfo")); - return eError; - } - - - eError = FreeMemCallBackCommon(psMapData->psSrcMemInfo, 0, IMG_FALSE); - - OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(RESMAN_MAP_DEVICE_MEM_DATA), psMapData, IMG_NULL); - - - return eError; -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVMapDeviceMemoryKM(PVRSRV_PER_PROCESS_DATA *psPerProc, - PVRSRV_KERNEL_MEM_INFO *psSrcMemInfo, - IMG_HANDLE hDstDevMemHeap, - PVRSRV_KERNEL_MEM_INFO **ppsDstMemInfo) -{ - PVRSRV_ERROR eError; - IMG_UINT32 i; - IMG_SIZE_T ui32PageCount, ui32PageOffset; - IMG_SIZE_T ui32HostPageSize = HOST_PAGESIZE(); - IMG_SYS_PHYADDR *psSysPAddr = IMG_NULL; - IMG_DEV_PHYADDR sDevPAddr; - BM_BUF *psBuf; - IMG_DEV_VIRTADDR sDevVAddr; - PVRSRV_KERNEL_MEM_INFO *psMemInfo = IMG_NULL; - BM_HANDLE hBuffer; - PVRSRV_MEMBLK *psMemBlock; - IMG_BOOL bBMError; - PVRSRV_DEVICE_NODE *psDeviceNode; - IMG_VOID *pvPageAlignedCPUVAddr; - RESMAN_MAP_DEVICE_MEM_DATA *psMapData = IMG_NULL; - - - if(!psSrcMemInfo || !hDstDevMemHeap || !ppsDstMemInfo) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceMemoryKM: invalid parameters")); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - - *ppsDstMemInfo = IMG_NULL; - - ui32PageOffset = psSrcMemInfo->sDevVAddr.uiAddr & (ui32HostPageSize - 1); - ui32PageCount = HOST_PAGEALIGN(psSrcMemInfo->ui32AllocSize + ui32PageOffset) / ui32HostPageSize; - pvPageAlignedCPUVAddr = (IMG_VOID *)(psSrcMemInfo->sDevVAddr.uiAddr - ui32PageOffset); - - - - - - if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, - ui32PageCount*sizeof(IMG_SYS_PHYADDR), - (IMG_VOID **)&psSysPAddr, IMG_NULL, - "Array of Page Addresses") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceMemoryKM: Failed to alloc memory for block")); - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - psBuf = psSrcMemInfo->sMemBlk.hBuffer; - - - psDeviceNode = psBuf->pMapping->pBMHeap->pBMContext->psDeviceNode; - - - sDevVAddr.uiAddr = psSrcMemInfo->sDevVAddr.uiAddr - IMG_CAST_TO_DEVVADDR_UINT(ui32PageOffset); - for(i=0; i<ui32PageCount; i++) - { - BM_GetPhysPageAddr(psSrcMemInfo, sDevVAddr, &sDevPAddr); - - - psSysPAddr[i] = SysDevPAddrToSysPAddr (psDeviceNode->sDevId.eDeviceType, sDevPAddr); - - - sDevVAddr.uiAddr += IMG_CAST_TO_DEVVADDR_UINT(ui32HostPageSize); - } - - - if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, - sizeof(RESMAN_MAP_DEVICE_MEM_DATA), - (IMG_VOID **)&psMapData, IMG_NULL, - "Resource Manager Map Data") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceMemoryKM: Failed to alloc resman map data")); - eError = PVRSRV_ERROR_OUT_OF_MEMORY; - goto ErrorExit; - } - - - if(OSAllocMem(PVRSRV_PAGEABLE_SELECT, - sizeof(PVRSRV_KERNEL_MEM_INFO), - (IMG_VOID **)&psMemInfo, IMG_NULL, - "Kernel Memory Info") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceMemoryKM: Failed to alloc memory for block")); - eError = PVRSRV_ERROR_OUT_OF_MEMORY; - goto ErrorExit; - } - - OSMemSet(psMemInfo, 0, sizeof(*psMemInfo)); - psMemInfo->ui32Flags = psSrcMemInfo->ui32Flags; - - psMemBlock = &(psMemInfo->sMemBlk); - - bBMError = BM_Wrap(hDstDevMemHeap, - psSrcMemInfo->ui32AllocSize, - ui32PageOffset, - IMG_FALSE, - psSysPAddr, - pvPageAlignedCPUVAddr, - &psMemInfo->ui32Flags, - &hBuffer); - - if (!bBMError) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceMemoryKM: BM_Wrap Failed")); - eError = PVRSRV_ERROR_BAD_MAPPING; - goto ErrorExit; - } - - - psMemBlock->sDevVirtAddr = BM_HandleToDevVaddr(hBuffer); - psMemBlock->hOSMemHandle = BM_HandleToOSMemHandle(hBuffer); - - - psMemBlock->hBuffer = (IMG_HANDLE)hBuffer; - - - psMemBlock->psIntSysPAddr = psSysPAddr; - - - psMemInfo->pvLinAddrKM = psSrcMemInfo->pvLinAddrKM; - - - psMemInfo->sDevVAddr = psMemBlock->sDevVirtAddr; - psMemInfo->ui32AllocSize = psSrcMemInfo->ui32AllocSize; - psMemInfo->psKernelSyncInfo = psSrcMemInfo->psKernelSyncInfo; - - - psMemInfo->psKernelSyncInfo->ui32RefCount++; - - - - psMemInfo->pvSysBackupBuffer = IMG_NULL; - - - psMemInfo->ui32RefCount++; - - - psSrcMemInfo->ui32RefCount++; - - - BM_Export(psSrcMemInfo->sMemBlk.hBuffer); - - psMemInfo->memType = PVRSRV_MEMTYPE_MAPPED; - - - psMapData->psMemInfo = psMemInfo; - psMapData->psSrcMemInfo = psSrcMemInfo; - - - psMemInfo->sMemBlk.hResItem = ResManRegisterRes(psPerProc->hResManContext, - RESMAN_TYPE_DEVICEMEM_MAPPING, - psMapData, - 0, - UnmapDeviceMemoryCallBack); - - *ppsDstMemInfo = psMemInfo; - - return PVRSRV_OK; - - - -ErrorExit: - - if(psSysPAddr) - { - - OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(IMG_SYS_PHYADDR), psSysPAddr, IMG_NULL); - - } - - if(psMemInfo) - { - - OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(PVRSRV_KERNEL_MEM_INFO), psMemInfo, IMG_NULL); - - } - - if(psMapData) - { - - OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(RESMAN_MAP_DEVICE_MEM_DATA), psMapData, IMG_NULL); - - } - - return eError; -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVUnmapDeviceClassMemoryKM(PVRSRV_KERNEL_MEM_INFO *psMemInfo) -{ - if (!psMemInfo) - { - return PVRSRV_ERROR_INVALID_PARAMS; - } - - return ResManFreeResByPtr(psMemInfo->sMemBlk.hResItem); -} - - -static PVRSRV_ERROR UnmapDeviceClassMemoryCallBack(IMG_PVOID pvParam, - IMG_UINT32 ui32Param) -{ - PVRSRV_KERNEL_MEM_INFO *psMemInfo = pvParam; - - return FreeMemCallBackCommon(psMemInfo, ui32Param, IMG_TRUE); -} - - -IMG_EXPORT -PVRSRV_ERROR IMG_CALLCONV PVRSRVMapDeviceClassMemoryKM(PVRSRV_PER_PROCESS_DATA *psPerProc, - IMG_HANDLE hDevMemContext, - IMG_HANDLE hDeviceClassBuffer, - PVRSRV_KERNEL_MEM_INFO **ppsMemInfo, - IMG_HANDLE *phOSMapInfo) -{ - PVRSRV_ERROR eError; - PVRSRV_KERNEL_MEM_INFO *psMemInfo; - PVRSRV_DEVICECLASS_BUFFER *psDeviceClassBuffer; - IMG_SYS_PHYADDR *psSysPAddr; - IMG_VOID *pvCPUVAddr, *pvPageAlignedCPUVAddr; - IMG_BOOL bPhysContig; - BM_CONTEXT *psBMContext; - DEVICE_MEMORY_INFO *psDevMemoryInfo; - DEVICE_MEMORY_HEAP_INFO *psDeviceMemoryHeap; - IMG_HANDLE hDevMemHeap = IMG_NULL; - IMG_SIZE_T ui32ByteSize; - IMG_SIZE_T ui32Offset; - IMG_SIZE_T ui32PageSize = HOST_PAGESIZE(); - BM_HANDLE hBuffer; - PVRSRV_MEMBLK *psMemBlock; - IMG_BOOL bBMError; - IMG_UINT32 i; - - if(!hDeviceClassBuffer || !ppsMemInfo || !phOSMapInfo || !hDevMemContext) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceClassMemoryKM: invalid parameters")); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDeviceClassBuffer = (PVRSRV_DEVICECLASS_BUFFER*)hDeviceClassBuffer; - - - - - - - - - - - - - - - - - - - - - eError = psDeviceClassBuffer->pfnGetBufferAddr(psDeviceClassBuffer->hExtDevice, - psDeviceClassBuffer->hExtBuffer, - &psSysPAddr, - &ui32ByteSize, - &pvCPUVAddr, - phOSMapInfo, - &bPhysContig); - if(eError != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceClassMemoryKM: unable to get buffer address")); - return PVRSRV_ERROR_GENERIC; - } - - - psBMContext = (BM_CONTEXT*)psDeviceClassBuffer->hDevMemContext; - psDevMemoryInfo = &psBMContext->psDeviceNode->sDevMemoryInfo; - psDeviceMemoryHeap = psDevMemoryInfo->psDeviceMemoryHeap; - for(i=0; i<PVRSRV_MAX_CLIENT_HEAPS; i++) - { - if(HEAP_IDX(psDeviceMemoryHeap[i].ui32HeapID) == psDevMemoryInfo->ui32MappingHeapID) - { - if(psDeviceMemoryHeap[i].DevMemHeapType == DEVICE_MEMORY_HEAP_PERCONTEXT) - { - - hDevMemHeap = BM_CreateHeap(hDevMemContext, &psDeviceMemoryHeap[i]); - } - else - { - hDevMemHeap = psDevMemoryInfo->psDeviceMemoryHeap[i].hDevMemHeap; - } - break; - } - } - - if(hDevMemHeap == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceClassMemoryKM: unable to find mapping heap")); - return PVRSRV_ERROR_GENERIC; - } - - - ui32Offset = ((IMG_UINTPTR_T)pvCPUVAddr) & (ui32PageSize - 1); - pvPageAlignedCPUVAddr = (IMG_VOID *)((IMG_UINTPTR_T)pvCPUVAddr - ui32Offset); - - if(OSAllocMem(PVRSRV_PAGEABLE_SELECT, - sizeof(PVRSRV_KERNEL_MEM_INFO), - (IMG_VOID **)&psMemInfo, IMG_NULL, - "Kernel Memory Info") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceClassMemoryKM: Failed to alloc memory for block")); - return (PVRSRV_ERROR_OUT_OF_MEMORY); - } - - OSMemSet(psMemInfo, 0, sizeof(*psMemInfo)); - - psMemBlock = &(psMemInfo->sMemBlk); - - bBMError = BM_Wrap(hDevMemHeap, - ui32ByteSize, - ui32Offset, - bPhysContig, - psSysPAddr, - pvPageAlignedCPUVAddr, - &psMemInfo->ui32Flags, - &hBuffer); - - if (!bBMError) - { - PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceClassMemoryKM: BM_Wrap Failed")); - OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(PVRSRV_KERNEL_MEM_INFO), psMemInfo, IMG_NULL); - - return PVRSRV_ERROR_BAD_MAPPING; - } - - - psMemBlock->sDevVirtAddr = BM_HandleToDevVaddr(hBuffer); - psMemBlock->hOSMemHandle = BM_HandleToOSMemHandle(hBuffer); - - - psMemBlock->hBuffer = (IMG_HANDLE)hBuffer; - - - - psMemInfo->pvLinAddrKM = BM_HandleToCpuVaddr(hBuffer); - - - psMemInfo->sDevVAddr = psMemBlock->sDevVirtAddr; - psMemInfo->ui32AllocSize = ui32ByteSize; - psMemInfo->psKernelSyncInfo = psDeviceClassBuffer->psKernelSyncInfo; - - - - psMemInfo->pvSysBackupBuffer = IMG_NULL; - - - psMemInfo->sMemBlk.hResItem = ResManRegisterRes(psPerProc->hResManContext, - RESMAN_TYPE_DEVICECLASSMEM_MAPPING, - psMemInfo, - 0, - UnmapDeviceClassMemoryCallBack); - - psMemInfo->ui32RefCount++; - - psMemInfo->memType = PVRSRV_MEMTYPE_DEVICECLASS; - - - *ppsMemInfo = psMemInfo; - - return PVRSRV_OK; -} - |