static enum PVRSRV_ERROR AllocDeviceMem(void *hDevCookie, void *hDevMemHeap,
u32 ui32Flags, u32 ui32Size,
u32 ui32Alignment,
struct PVRSRV_KERNEL_MEM_INFO **ppsMemInfo)
{
struct PVRSRV_KERNEL_MEM_INFO *psMemInfo;
void *hBuffer;
struct PVRSRV_MEMBLK *psMemBlock;
IMG_BOOL bBMError;
PVR_UNREFERENCED_PARAMETER(hDevCookie);
*ppsMemInfo = NULL;
if (OSAllocMem(PVRSRV_PAGEABLE_SELECT,
sizeof(struct PVRSRV_KERNEL_MEM_INFO),
(void **) &psMemInfo, NULL) != 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, NULL, ui32Size,
&psMemInfo->ui32Flags, ui32Alignment, &hBuffer);
if (!bBMError) {
PVR_DPF(PVR_DBG_ERROR, "AllocDeviceMem: BM_Alloc Failed");
OSFreeMem(PVRSRV_PAGEABLE_SELECT,
sizeof(struct PVRSRV_KERNEL_MEM_INFO), psMemInfo,
NULL);
return PVRSRV_ERROR_OUT_OF_MEMORY;
}
psMemBlock->sDevVirtAddr = BM_HandleToDevVaddr(hBuffer);
psMemBlock->hOSMemHandle = BM_HandleToOSMemHandle(hBuffer);
psMemBlock->hBuffer = (void *)hBuffer;
psMemInfo->pvLinAddrKM = BM_HandleToCpuVaddr(hBuffer);
psMemInfo->sDevVAddr = psMemBlock->sDevVirtAddr;
psMemInfo->ui32AllocSize = ui32Size;
psMemInfo->pvSysBackupBuffer = NULL;
*ppsMemInfo = psMemInfo;
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);
}
