struct LinuxMemArea *NewIOLinuxMemArea(struct IMG_CPU_PHYADDR BasePAddr,
u32 ui32Bytes, u32 ui32AreaFlags)
{
struct LinuxMemArea *psLinuxMemArea = LinuxMemAreaStructAlloc();
if (!psLinuxMemArea)
return NULL;
psLinuxMemArea->eAreaType = LINUX_MEM_AREA_IO;
psLinuxMemArea->uData.sIO.CPUPhysAddr.uiAddr = BasePAddr.uiAddr;
psLinuxMemArea->ui32ByteSize = ui32Bytes;
psLinuxMemArea->ui32AreaFlags = ui32AreaFlags;
psLinuxMemArea->bMMapRegistered = IMG_FALSE;
INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList);
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_IO,
(void *)BasePAddr.uiAddr, NULL,
BasePAddr.uiAddr, NULL, ui32Bytes, "unknown", 0);
#endif
#if defined(DEBUG_LINUX_MEM_AREAS)
DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags);
#endif
return psLinuxMemArea;
}
void __iomem *_IORemapWrapper(struct IMG_CPU_PHYADDR BasePAddr,
u32 ui32Bytes, u32 ui32MappingFlags,
char *pszFileName, u32 ui32Line)
{
void __iomem *pvIORemapCookie = NULL;
switch (ui32MappingFlags & PVRSRV_HAP_CACHETYPE_MASK) {
case PVRSRV_HAP_CACHED:
pvIORemapCookie = IOREMAP(BasePAddr.uiAddr, ui32Bytes);
break;
case PVRSRV_HAP_WRITECOMBINE:
pvIORemapCookie = IOREMAP_WC(BasePAddr.uiAddr, ui32Bytes);
break;
case PVRSRV_HAP_UNCACHED:
pvIORemapCookie = IOREMAP_UC(BasePAddr.uiAddr, ui32Bytes);
break;
default:
PVR_DPF(PVR_DBG_ERROR,
"IORemapWrapper: unknown mapping flags");
return NULL;
}
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
if (pvIORemapCookie)
DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_IOREMAP,
(__force void *)pvIORemapCookie,
(__force void *)pvIORemapCookie,
BasePAddr.uiAddr,
NULL, ui32Bytes, pszFileName, ui32Line);
#endif
return pvIORemapCookie;
}
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;
}
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 *_KMallocWrapper(u32 ui32ByteSize, char *pszFileName,
u32 ui32Line)
{
void *pvRet;
pvRet = kmalloc(ui32ByteSize, GFP_KERNEL);
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
if (pvRet)
DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_KMALLOC,
pvRet, pvRet, 0, NULL, ui32ByteSize,
pszFileName, ui32Line);
#endif
return pvRet;
}
void *_KMemCacheAllocWrapper(struct kmem_cache *psCache,
gfp_t Flags,
char *pszFileName, u32 ui32Line)
{
void *pvRet;
pvRet = kmem_cache_alloc(psCache, Flags);
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE, pvRet, pvRet,
0, psCache, kmem_cache_size(psCache),
pszFileName, ui32Line);
#endif
return pvRet;
}
void *_KMapWrapper(struct page *psPage, char *pszFileName,
u32 ui32Line)
{
void *pvRet;
flush_cache_all();
pvRet = kmap(psPage);
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
if (pvRet)
DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_KMAP,
psPage,
pvRet, 0, NULL, PAGE_SIZE, "unknown", 0);
#endif
return pvRet;
}
void *_VMallocWrapper(u32 ui32Bytes, u32 ui32AllocFlags, char *pszFileName,
u32 ui32Line)
{
pgprot_t PGProtFlags;
void *pvRet;
switch (ui32AllocFlags & PVRSRV_HAP_CACHETYPE_MASK) {
case PVRSRV_HAP_CACHED:
PGProtFlags = PAGE_KERNEL;
break;
case PVRSRV_HAP_WRITECOMBINE:
PGProtFlags = PGPROT_WC(PAGE_KERNEL);
break;
case PVRSRV_HAP_UNCACHED:
PGProtFlags = PGPROT_UC(PAGE_KERNEL);
break;
default:
PVR_DPF(PVR_DBG_ERROR,
"VMAllocWrapper: unknown mapping flags=0x%08lx",
ui32AllocFlags);
dump_stack();
return NULL;
}
pvRet = __vmalloc(ui32Bytes, GFP_KERNEL | __GFP_HIGHMEM, PGProtFlags);
#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
if (pvRet)
DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_VMALLOC,
pvRet, pvRet, 0, NULL,
PAGE_ALIGN(ui32Bytes),
pszFileName, ui32Line);
#endif
return pvRet;
}
