struct LinuxMemArea *NewVMallocLinuxMemArea(u32 ui32Bytes, u32 ui32AreaFlags)
{
struct LinuxMemArea *psLinuxMemArea;
void *pvCpuVAddr;
psLinuxMemArea = LinuxMemAreaStructAlloc();
if (!psLinuxMemArea)
goto failed;
pvCpuVAddr = VMallocWrapper(ui32Bytes, ui32AreaFlags);
if (!pvCpuVAddr)
goto failed;
psLinuxMemArea->eAreaType = LINUX_MEM_AREA_VMALLOC;
psLinuxMemArea->uData.sVmalloc.pvVmallocAddress = pvCpuVAddr;
psLinuxMemArea->ui32ByteSize = ui32Bytes;
psLinuxMemArea->ui32AreaFlags = ui32AreaFlags;
psLinuxMemArea->bMMapRegistered = IMG_FALSE;
INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags);
#endif
return psLinuxMemArea;
failed:
PVR_DPF(PVR_DBG_ERROR, "%s: failed!", __func__);
if (psLinuxMemArea)
LinuxMemAreaStructFree(psLinuxMemArea);
return NULL;
}
struct LinuxMemArea *NewAllocPagesLinuxMemArea(u32 ui32Bytes,
u32 ui32AreaFlags)
{
struct LinuxMemArea *psLinuxMemArea;
u32 ui32PageCount;
struct page **pvPageList;
u32 i;
psLinuxMemArea = LinuxMemAreaStructAlloc();
if (!psLinuxMemArea)
goto failed_area_alloc;
ui32PageCount = RANGE_TO_PAGES(ui32Bytes);
pvPageList =
VMallocWrapper(sizeof(void *) * ui32PageCount, PVRSRV_HAP_CACHED);
if (!pvPageList)
goto failed_vmalloc;
for (i = 0; i < ui32PageCount; i++) {
pvPageList[i] = alloc_pages(GFP_KERNEL, 0);
if (!pvPageList[i])
goto failed_alloc_pages;
}
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES,
pvPageList, NULL, 0, NULL, PAGE_ALIGN(ui32Bytes),
"unknown", 0);
#endif
psLinuxMemArea->eAreaType = LINUX_MEM_AREA_ALLOC_PAGES;
psLinuxMemArea->uData.sPageList.pvPageList = pvPageList;
psLinuxMemArea->ui32ByteSize = ui32Bytes;
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags);
#endif
return psLinuxMemArea;
failed_alloc_pages:
for (i--; i >= 0; i--)
__free_pages(pvPageList[i], 0);
VFreeWrapper(pvPageList);
failed_vmalloc:
LinuxMemAreaStructFree(psLinuxMemArea);
failed_area_alloc:
PVR_DPF(PVR_DBG_ERROR, "%s: failed", __func__);
return NULL;
}
