static IMG_HANDLE BM_CreateContext_IncRefCount_AnyVaCb(BM_CONTEXT *pBMContext, va_list va)
{
PRESMAN_CONTEXT hResManContext;
hResManContext = va_arg(va, PRESMAN_CONTEXT);
if(ResManFindResourceByPtr(hResManContext, pBMContext->hResItem) == PVRSRV_OK)
{
pBMContext->ui32RefCount++;
return pBMContext;
}
return IMG_NULL;
}
void *BM_CreateContext(struct PVRSRV_DEVICE_NODE *psDeviceNode,
struct IMG_DEV_PHYADDR *psPDDevPAddr,
struct PVRSRV_PER_PROCESS_DATA *psPerProc, IMG_BOOL *pbCreated)
{
struct BM_CONTEXT *pBMContext;
struct BM_HEAP *psBMHeap;
struct DEVICE_MEMORY_INFO *psDevMemoryInfo;
IMG_BOOL bKernelContext;
struct RESMAN_CONTEXT *hResManContext;
PVR_DPF(PVR_DBG_MESSAGE, "BM_CreateContext");
if (psPerProc == NULL) {
bKernelContext = IMG_TRUE;
hResManContext = psDeviceNode->hResManContext;
} else {
bKernelContext = IMG_FALSE;
hResManContext = psPerProc->hResManContext;
}
if (pbCreated != NULL)
*pbCreated = IMG_FALSE;
psDevMemoryInfo = &psDeviceNode->sDevMemoryInfo;
if (bKernelContext == IMG_FALSE)
for (pBMContext = psDevMemoryInfo->pBMContext;
pBMContext != NULL; pBMContext = pBMContext->psNext)
if (ResManFindResourceByPtr(hResManContext,
pBMContext->hResItem) ==
PVRSRV_OK) {
pBMContext->ui32RefCount++;
return (void *)pBMContext;
}
if (OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(struct BM_CONTEXT),
(void **)&pBMContext, NULL) != PVRSRV_OK) {
PVR_DPF(PVR_DBG_ERROR, "BM_CreateContext: Alloc failed");
return NULL;
}
OSMemSet(pBMContext, 0, sizeof(struct BM_CONTEXT));
pBMContext->psDeviceNode = psDeviceNode;
pBMContext->pBufferHash = HASH_Create(32);
if (pBMContext->pBufferHash == NULL) {
PVR_DPF(PVR_DBG_ERROR,
"BM_CreateContext: HASH_Create failed");
goto cleanup;
}
if (psDeviceNode->pfnMMUInitialise(psDeviceNode,
&pBMContext->psMMUContext,
psPDDevPAddr) != PVRSRV_OK) {
PVR_DPF(PVR_DBG_ERROR,
"BM_CreateContext: MMUInitialise failed");
goto cleanup;
}
if (bKernelContext) {
PVR_ASSERT(psDevMemoryInfo->pBMKernelContext == NULL);
psDevMemoryInfo->pBMKernelContext = pBMContext;
} else {
PVR_ASSERT(psDevMemoryInfo->pBMKernelContext);
if (psDevMemoryInfo->pBMKernelContext == NULL) {
PVR_DPF(PVR_DBG_ERROR, "BM_CreateContext: "
"psDevMemoryInfo->pBMKernelContext invalid");
goto cleanup;
}
PVR_ASSERT(psDevMemoryInfo->pBMKernelContext->psBMHeap);
pBMContext->psBMSharedHeap =
psDevMemoryInfo->pBMKernelContext->psBMHeap;
psBMHeap = pBMContext->psBMSharedHeap;
while (psBMHeap) {
switch (psBMHeap->sDevArena.DevMemHeapType) {
case DEVICE_MEMORY_HEAP_SHARED:
case DEVICE_MEMORY_HEAP_SHARED_EXPORTED:
{
psDeviceNode->
pfnMMUInsertHeap(pBMContext->
psMMUContext,
psBMHeap->
pMMUHeap);
break;
}
}
psBMHeap = psBMHeap->psNext;
}
pBMContext->psNext = psDevMemoryInfo->pBMContext;
psDevMemoryInfo->pBMContext = pBMContext;
}
pBMContext->ui32RefCount++;
pBMContext->hResItem = ResManRegisterRes(hResManContext,
RESMAN_TYPE_DEVICEMEM_CONTEXT,
pBMContext,
0, BM_DestroyContextCallBack);
if (pBMContext->hResItem == NULL) {
PVR_DPF(PVR_DBG_ERROR,
"BM_CreateContext: ResManRegisterRes failed");
goto cleanup;
}
if (pbCreated != NULL)
*pbCreated = IMG_TRUE;
return (void *)pBMContext;
cleanup:
BM_DestroyContextCallBack(pBMContext, 0);
return NULL;
}
