struct LinuxMemArea *NewIORemapLinuxMemArea(struct IMG_CPU_PHYADDR BasePAddr,
u32 ui32Bytes, u32 ui32AreaFlags)
{
struct LinuxMemArea *psLinuxMemArea;
void __iomem *pvIORemapCookie;
psLinuxMemArea = LinuxMemAreaStructAlloc();
if (!psLinuxMemArea)
return NULL;
pvIORemapCookie = IORemapWrapper(BasePAddr, ui32Bytes, ui32AreaFlags);
if (!pvIORemapCookie) {
LinuxMemAreaStructFree(psLinuxMemArea);
return NULL;
}
psLinuxMemArea->eAreaType = LINUX_MEM_AREA_IOREMAP;
psLinuxMemArea->uData.sIORemap.pvIORemapCookie = pvIORemapCookie;
psLinuxMemArea->uData.sIORemap.CPUPhysAddr = BasePAddr;
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;
}
void FreeAllocPagesLinuxMemArea(struct LinuxMemArea *psLinuxMemArea)
{
u32 ui32PageCount;
struct page **pvPageList;
void *hBlockPageList;
u32 i;
PVR_ASSERT(psLinuxMemArea);
PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_ALLOC_PAGES);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
#endif
ui32PageCount = RANGE_TO_PAGES(psLinuxMemArea->ui32ByteSize);
pvPageList = psLinuxMemArea->uData.sPageList.pvPageList;
hBlockPageList = psLinuxMemArea->uData.sPageList.hBlockPageList;
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES, pvPageList,
__FILE__, __LINE__);
#endif
for (i = 0; i < ui32PageCount; i++)
__free_pages(pvPageList[i], 0);
OSFreeMem(0, sizeof(*pvPageList) * ui32PageCount, pvPageList,
hBlockPageList);
LinuxMemAreaStructFree(psLinuxMemArea);
}
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;
void *hBlockPageList;
s32 i;
enum PVRSRV_ERROR eError;
psLinuxMemArea = LinuxMemAreaStructAlloc();
if (!psLinuxMemArea)
goto failed_area_alloc;
ui32PageCount = RANGE_TO_PAGES(ui32Bytes);
eError = OSAllocMem(0, sizeof(*pvPageList) * ui32PageCount,
(void **)&pvPageList, &hBlockPageList);
if (eError != PVRSRV_OK)
goto failed_page_list_alloc;
for (i = 0; i < ui32PageCount; i++) {
pvPageList[i] = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, 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->uData.sPageList.hBlockPageList = hBlockPageList;
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_alloc_pages:
for (i--; i >= 0; i--)
__free_pages(pvPageList[i], 0);
OSFreeMem(0, sizeof(*pvPageList) * ui32PageCount, pvPageList,
hBlockPageList);
failed_page_list_alloc:
LinuxMemAreaStructFree(psLinuxMemArea);
failed_area_alloc:
PVR_DPF(PVR_DBG_ERROR, "%s: failed", __func__);
return NULL;
}
static void FreeSubLinuxMemArea(struct LinuxMemArea *psLinuxMemArea)
{
PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_SUB_ALLOC);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
#endif
LinuxMemAreaStructFree(psLinuxMemArea);
}
void FreeExternalKVLinuxMemArea(struct LinuxMemArea *psLinuxMemArea)
{
PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_EXTERNAL_KV);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
#endif
LinuxMemAreaStructFree(psLinuxMemArea);
}
void FreeIORemapLinuxMemArea(struct LinuxMemArea *psLinuxMemArea)
{
PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_IOREMAP);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
#endif
IOUnmapWrapper(psLinuxMemArea->uData.sIORemap.pvIORemapCookie);
LinuxMemAreaStructFree(psLinuxMemArea);
}
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;
}
void FreeIOLinuxMemArea(struct LinuxMemArea *psLinuxMemArea)
{
PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_IO);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
#endif
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_IO,
(void *)psLinuxMemArea->uData.sIO.
CPUPhysAddr.uiAddr, __FILE__, __LINE__);
#endif
LinuxMemAreaStructFree(psLinuxMemArea);
}
void FreeVMallocLinuxMemArea(struct LinuxMemArea *psLinuxMemArea)
{
PVR_ASSERT(psLinuxMemArea);
PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_VMALLOC);
PVR_ASSERT(psLinuxMemArea->uData.sVmalloc.pvVmallocAddress);
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
#endif
PVR_DPF(PVR_DBG_MESSAGE, "%s: pvCpuVAddr: %p",
__func__,
psLinuxMemArea->uData.sVmalloc.pvVmallocAddress);
VFreeWrapper(psLinuxMemArea->uData.sVmalloc.pvVmallocAddress);
LinuxMemAreaStructFree(psLinuxMemArea);
}
