struct LinuxMemArea *NewSubLinuxMemArea(struct LinuxMemArea *psParentLinuxMemArea, u32 ui32ByteOffset, u32 ui32Bytes) { struct LinuxMemArea *psLinuxMemArea; PVR_ASSERT((ui32ByteOffset + ui32Bytes) <= psParentLinuxMemArea->ui32ByteSize); psLinuxMemArea = LinuxMemAreaStructAlloc(); if (!psLinuxMemArea) return NULL; psLinuxMemArea->eAreaType = LINUX_MEM_AREA_SUB_ALLOC; psLinuxMemArea->uData.sSubAlloc.psParentLinuxMemArea = psParentLinuxMemArea; psLinuxMemArea->uData.sSubAlloc.ui32ByteOffset = ui32ByteOffset; psLinuxMemArea->ui32ByteSize = ui32Bytes; psLinuxMemArea->ui32AreaFlags = psParentLinuxMemArea->ui32AreaFlags; psLinuxMemArea->bMMapRegistered = IMG_FALSE; INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList); #if defined(DEBUG_LINUX_MEM_AREAS) { struct DEBUG_LINUX_MEM_AREA_REC *psParentRecord; psParentRecord = DebugLinuxMemAreaRecordFind(psParentLinuxMemArea); DebugLinuxMemAreaRecordAdd(psLinuxMemArea, psParentRecord->ui32Flags); } #endif return psLinuxMemArea; }
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; }
struct LinuxMemArea *NewExternalKVLinuxMemArea(struct IMG_SYS_PHYADDR *pBasePAddr, void *pvCPUVAddr, u32 ui32Bytes, IMG_BOOL bPhysContig, u32 ui32AreaFlags) { struct LinuxMemArea *psLinuxMemArea; psLinuxMemArea = LinuxMemAreaStructAlloc(); if (!psLinuxMemArea) return NULL; psLinuxMemArea->eAreaType = LINUX_MEM_AREA_EXTERNAL_KV; psLinuxMemArea->uData.sExternalKV.pvExternalKV = pvCPUVAddr; psLinuxMemArea->uData.sExternalKV.bPhysContig = bPhysContig || PagesAreContiguous(pBasePAddr, ui32Bytes); if (psLinuxMemArea->uData.sExternalKV.bPhysContig) psLinuxMemArea->uData.sExternalKV.uPhysAddr.SysPhysAddr = *pBasePAddr; else psLinuxMemArea->uData.sExternalKV.uPhysAddr.pSysPhysAddr = pBasePAddr; 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; }
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; }
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 *NewExternalKVLinuxMemArea( struct IMG_SYS_PHYADDR *pBasePAddr, void *pvCPUVAddr, u32 ui32Bytes, IMG_BOOL bPhysContig, u32 ui32AreaFlags) { struct LinuxMemArea *psLinuxMemArea; psLinuxMemArea = LinuxMemAreaStructAlloc(); if (!psLinuxMemArea) return NULL; psLinuxMemArea->eAreaType = LINUX_MEM_AREA_EXTERNAL_KV; psLinuxMemArea->uData.sExternalKV.pvExternalKV = pvCPUVAddr; psLinuxMemArea->uData.sExternalKV.bPhysContig = bPhysContig; if (bPhysContig) psLinuxMemArea->uData.sExternalKV.uPhysAddr.SysPhysAddr = *pBasePAddr; else psLinuxMemArea->uData.sExternalKV.uPhysAddr.pSysPhysAddr = pBasePAddr; psLinuxMemArea->ui32ByteSize = ui32Bytes; #if defined(DEBUG_LINUX_MEM_AREAS) DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags); #endif return psLinuxMemArea; }
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; }