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path: root/drivers/staging/cdv/pvr/services4/srvkm/env/linux/mm.c
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Diffstat (limited to 'drivers/staging/cdv/pvr/services4/srvkm/env/linux/mm.c')
-rw-r--r--drivers/staging/cdv/pvr/services4/srvkm/env/linux/mm.c2027
1 files changed, 2027 insertions, 0 deletions
diff --git a/drivers/staging/cdv/pvr/services4/srvkm/env/linux/mm.c b/drivers/staging/cdv/pvr/services4/srvkm/env/linux/mm.c
new file mode 100644
index 000000000000..a96d28c799c5
--- /dev/null
+++ b/drivers/staging/cdv/pvr/services4/srvkm/env/linux/mm.c
@@ -0,0 +1,2027 @@
+/**********************************************************************
+ *
+ * Copyright (C) Imagination Technologies Ltd. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful but, except
+ * as otherwise stated in writing, without any warranty; without even the
+ * implied warranty of merchantability or fitness for a particular purpose.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * Imagination Technologies Ltd. <gpl-support@imgtec.com>
+ * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
+ *
+ ******************************************************************************/
+
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
+#ifndef AUTOCONF_INCLUDED
+#include <linux/config.h>
+#endif
+#endif
+
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
+#include <asm/io.h>
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
+#include <linux/wrapper.h>
+#endif
+#include <linux/slab.h>
+#include <linux/highmem.h>
+#include <linux/sched.h>
+
+#include "img_defs.h"
+#include "services.h"
+#include "servicesint.h"
+#include "syscommon.h"
+#include "mutils.h"
+#include "mm.h"
+#include "pvrmmap.h"
+#include "mmap.h"
+#include "osfunc.h"
+#include "pvr_debug.h"
+#include "proc.h"
+#include "mutex.h"
+#include "lock.h"
+
+#if defined(DEBUG_LINUX_MEM_AREAS) || defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ #include "lists.h"
+#endif
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+typedef enum {
+ DEBUG_MEM_ALLOC_TYPE_KMALLOC,
+ DEBUG_MEM_ALLOC_TYPE_VMALLOC,
+ DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES,
+ DEBUG_MEM_ALLOC_TYPE_IOREMAP,
+ DEBUG_MEM_ALLOC_TYPE_IO,
+ DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE,
+ DEBUG_MEM_ALLOC_TYPE_COUNT
+}DEBUG_MEM_ALLOC_TYPE;
+
+typedef struct _DEBUG_MEM_ALLOC_REC
+{
+ DEBUG_MEM_ALLOC_TYPE eAllocType;
+ IMG_VOID *pvKey;
+ IMG_VOID *pvCpuVAddr;
+ IMG_UINT32 ulCpuPAddr;
+ IMG_VOID *pvPrivateData;
+ IMG_UINT32 ui32Bytes;
+ pid_t pid;
+ IMG_CHAR *pszFileName;
+ IMG_UINT32 ui32Line;
+
+ struct _DEBUG_MEM_ALLOC_REC *psNext;
+ struct _DEBUG_MEM_ALLOC_REC **ppsThis;
+}DEBUG_MEM_ALLOC_REC;
+
+static IMPLEMENT_LIST_ANY_VA_2(DEBUG_MEM_ALLOC_REC, IMG_BOOL, IMG_FALSE)
+static IMPLEMENT_LIST_ANY_VA(DEBUG_MEM_ALLOC_REC)
+static IMPLEMENT_LIST_FOR_EACH(DEBUG_MEM_ALLOC_REC)
+static IMPLEMENT_LIST_INSERT(DEBUG_MEM_ALLOC_REC)
+static IMPLEMENT_LIST_REMOVE(DEBUG_MEM_ALLOC_REC)
+
+
+static DEBUG_MEM_ALLOC_REC *g_MemoryRecords;
+
+static IMG_UINT32 g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_COUNT];
+static IMG_UINT32 g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_COUNT];
+
+static IMG_UINT32 g_SysRAMWaterMark;
+static IMG_UINT32 g_SysRAMHighWaterMark;
+
+static IMG_UINT32 g_IOMemWaterMark;
+static IMG_UINT32 g_IOMemHighWaterMark;
+
+static IMG_VOID DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE eAllocType,
+ IMG_VOID *pvKey,
+ IMG_VOID *pvCpuVAddr,
+ IMG_UINT32 ulCpuPAddr,
+ IMG_VOID *pvPrivateData,
+ IMG_UINT32 ui32Bytes,
+ IMG_CHAR *pszFileName,
+ IMG_UINT32 ui32Line);
+
+static IMG_VOID DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE eAllocType, IMG_VOID *pvKey, IMG_CHAR *pszFileName, IMG_UINT32 ui32Line);
+
+static IMG_CHAR *DebugMemAllocRecordTypeToString(DEBUG_MEM_ALLOC_TYPE eAllocType);
+
+
+static struct proc_dir_entry *g_SeqFileMemoryRecords =0;
+static void* ProcSeqNextMemoryRecords(struct seq_file *sfile,void* el,loff_t off);
+static void ProcSeqShowMemoryRecords(struct seq_file *sfile,void* el);
+static void* ProcSeqOff2ElementMemoryRecords(struct seq_file * sfile, loff_t off);
+
+#endif
+
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+typedef struct _DEBUG_LINUX_MEM_AREA_REC
+{
+ LinuxMemArea *psLinuxMemArea;
+ IMG_UINT32 ui32Flags;
+ pid_t pid;
+
+ struct _DEBUG_LINUX_MEM_AREA_REC *psNext;
+ struct _DEBUG_LINUX_MEM_AREA_REC **ppsThis;
+}DEBUG_LINUX_MEM_AREA_REC;
+
+
+static IMPLEMENT_LIST_ANY_VA(DEBUG_LINUX_MEM_AREA_REC)
+static IMPLEMENT_LIST_FOR_EACH(DEBUG_LINUX_MEM_AREA_REC)
+static IMPLEMENT_LIST_INSERT(DEBUG_LINUX_MEM_AREA_REC)
+static IMPLEMENT_LIST_REMOVE(DEBUG_LINUX_MEM_AREA_REC)
+
+
+
+
+static DEBUG_LINUX_MEM_AREA_REC *g_LinuxMemAreaRecords;
+static IMG_UINT32 g_LinuxMemAreaCount;
+static IMG_UINT32 g_LinuxMemAreaWaterMark;
+static IMG_UINT32 g_LinuxMemAreaHighWaterMark;
+
+
+static struct proc_dir_entry *g_SeqFileMemArea=0;
+
+static void* ProcSeqNextMemArea(struct seq_file *sfile,void* el,loff_t off);
+static void ProcSeqShowMemArea(struct seq_file *sfile,void* el);
+static void* ProcSeqOff2ElementMemArea(struct seq_file *sfile, loff_t off);
+
+#endif
+
+#if defined(DEBUG_LINUX_MEM_AREAS) || defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+static PVRSRV_LINUX_MUTEX g_sDebugMutex;
+#endif
+
+#if (defined(DEBUG_LINUX_MEM_AREAS) || defined(DEBUG_LINUX_MEMORY_ALLOCATIONS))
+static void ProcSeqStartstopDebugMutex(struct seq_file *sfile,IMG_BOOL start);
+#endif
+
+static LinuxKMemCache *psLinuxMemAreaCache;
+
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
+static IMG_VOID ReservePages(IMG_VOID *pvAddress, IMG_UINT32 ui32Length);
+static IMG_VOID UnreservePages(IMG_VOID *pvAddress, IMG_UINT32 ui32Length);
+#endif
+
+static LinuxMemArea *LinuxMemAreaStructAlloc(IMG_VOID);
+static IMG_VOID LinuxMemAreaStructFree(LinuxMemArea *psLinuxMemArea);
+#if defined(DEBUG_LINUX_MEM_AREAS)
+static IMG_VOID DebugLinuxMemAreaRecordAdd(LinuxMemArea *psLinuxMemArea, IMG_UINT32 ui32Flags);
+static DEBUG_LINUX_MEM_AREA_REC *DebugLinuxMemAreaRecordFind(LinuxMemArea *psLinuxMemArea);
+static IMG_VOID DebugLinuxMemAreaRecordRemove(LinuxMemArea *psLinuxMemArea);
+#endif
+
+PVRSRV_ERROR
+LinuxMMInit(IMG_VOID)
+{
+#if defined(DEBUG_LINUX_MEM_AREAS) || defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ LinuxInitMutex(&g_sDebugMutex);
+#endif
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ {
+ g_SeqFileMemArea = CreateProcReadEntrySeq(
+ "mem_areas",
+ NULL,
+ ProcSeqNextMemArea,
+ ProcSeqShowMemArea,
+ ProcSeqOff2ElementMemArea,
+ ProcSeqStartstopDebugMutex
+ );
+ if(!g_SeqFileMemArea)
+ {
+ return PVRSRV_ERROR_OUT_OF_MEMORY;
+ }
+ }
+#endif
+
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ {
+ g_SeqFileMemoryRecords =CreateProcReadEntrySeq(
+ "meminfo",
+ NULL,
+ ProcSeqNextMemoryRecords,
+ ProcSeqShowMemoryRecords,
+ ProcSeqOff2ElementMemoryRecords,
+ ProcSeqStartstopDebugMutex
+ );
+ if(!g_SeqFileMemoryRecords)
+ {
+ return PVRSRV_ERROR_OUT_OF_MEMORY;
+ }
+ }
+#endif
+
+ psLinuxMemAreaCache = KMemCacheCreateWrapper("img-mm", sizeof(LinuxMemArea), 0, 0);
+ if(!psLinuxMemAreaCache)
+ {
+ PVR_DPF((PVR_DBG_ERROR,"%s: failed to allocate kmem_cache", __FUNCTION__));
+ return PVRSRV_ERROR_OUT_OF_MEMORY;
+ }
+
+ return PVRSRV_OK;
+}
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+static IMG_VOID LinuxMMCleanup_MemAreas_ForEachCb(DEBUG_LINUX_MEM_AREA_REC *psCurrentRecord)
+{
+ LinuxMemArea *psLinuxMemArea;
+
+ psLinuxMemArea = psCurrentRecord->psLinuxMemArea;
+ PVR_DPF((PVR_DBG_ERROR, "%s: BUG!: Cleaning up Linux memory area (%p), type=%s, size=%d bytes",
+ __FUNCTION__,
+ psCurrentRecord->psLinuxMemArea,
+ LinuxMemAreaTypeToString(psCurrentRecord->psLinuxMemArea->eAreaType),
+ psCurrentRecord->psLinuxMemArea->ui32ByteSize));
+
+ LinuxMemAreaDeepFree(psLinuxMemArea);
+}
+#endif
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+static IMG_VOID LinuxMMCleanup_MemRecords_ForEachVa(DEBUG_MEM_ALLOC_REC *psCurrentRecord)
+
+{
+
+ PVR_DPF((PVR_DBG_ERROR, "%s: BUG!: Cleaning up memory: "
+ "type=%s "
+ "CpuVAddr=%p "
+ "CpuPAddr=0x%08x, "
+ "allocated @ file=%s,line=%d",
+ __FUNCTION__,
+ DebugMemAllocRecordTypeToString(psCurrentRecord->eAllocType),
+ psCurrentRecord->pvCpuVAddr,
+ psCurrentRecord->ulCpuPAddr,
+ psCurrentRecord->pszFileName,
+ psCurrentRecord->ui32Line));
+ switch(psCurrentRecord->eAllocType)
+ {
+ case DEBUG_MEM_ALLOC_TYPE_KMALLOC:
+ KFreeWrapper(psCurrentRecord->pvCpuVAddr);
+ break;
+ case DEBUG_MEM_ALLOC_TYPE_IOREMAP:
+ IOUnmapWrapper(psCurrentRecord->pvCpuVAddr);
+ break;
+ case DEBUG_MEM_ALLOC_TYPE_IO:
+
+ DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_IO, psCurrentRecord->pvKey, __FILE__, __LINE__);
+ break;
+ case DEBUG_MEM_ALLOC_TYPE_VMALLOC:
+ VFreeWrapper(psCurrentRecord->pvCpuVAddr);
+ break;
+ case DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES:
+
+ DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES, psCurrentRecord->pvKey, __FILE__, __LINE__);
+ break;
+ case DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE:
+ KMemCacheFreeWrapper(psCurrentRecord->pvPrivateData, psCurrentRecord->pvCpuVAddr);
+ break;
+ default:
+ PVR_ASSERT(0);
+ }
+}
+#endif
+
+
+IMG_VOID
+LinuxMMCleanup(IMG_VOID)
+{
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ {
+ if(g_LinuxMemAreaCount)
+ {
+ PVR_DPF((PVR_DBG_ERROR, "%s: BUG!: There are %d LinuxMemArea allocation unfreed (%d bytes)",
+ __FUNCTION__, g_LinuxMemAreaCount, g_LinuxMemAreaWaterMark));
+ }
+
+ List_DEBUG_LINUX_MEM_AREA_REC_ForEach(g_LinuxMemAreaRecords,
+ LinuxMMCleanup_MemAreas_ForEachCb);
+
+ RemoveProcEntrySeq( g_SeqFileMemArea );
+ }
+#endif
+
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ {
+
+
+ List_DEBUG_MEM_ALLOC_REC_ForEach(g_MemoryRecords,
+ LinuxMMCleanup_MemRecords_ForEachVa);
+
+ RemoveProcEntrySeq( g_SeqFileMemoryRecords );
+ }
+#endif
+
+ if(psLinuxMemAreaCache)
+ {
+ KMemCacheDestroyWrapper(psLinuxMemAreaCache);
+ psLinuxMemAreaCache=NULL;
+ }
+}
+
+
+IMG_VOID *
+_KMallocWrapper(IMG_UINT32 ui32ByteSize, gfp_t uFlags, IMG_CHAR *pszFileName, IMG_UINT32 ui32Line)
+{
+ IMG_VOID *pvRet;
+ pvRet = kmalloc(ui32ByteSize, uFlags);
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ if(pvRet)
+ {
+ DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_KMALLOC,
+ pvRet,
+ pvRet,
+ 0,
+ NULL,
+ ui32ByteSize,
+ pszFileName,
+ ui32Line
+ );
+ }
+#else
+ PVR_UNREFERENCED_PARAMETER(pszFileName);
+ PVR_UNREFERENCED_PARAMETER(ui32Line);
+#endif
+ return pvRet;
+}
+
+
+IMG_VOID
+_KFreeWrapper(IMG_VOID *pvCpuVAddr, IMG_CHAR *pszFileName, IMG_UINT32 ui32Line)
+{
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_KMALLOC, pvCpuVAddr, pszFileName, ui32Line);
+#else
+ PVR_UNREFERENCED_PARAMETER(pszFileName);
+ PVR_UNREFERENCED_PARAMETER(ui32Line);
+#endif
+ kfree(pvCpuVAddr);
+}
+
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+static IMG_VOID
+DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE eAllocType,
+ IMG_VOID *pvKey,
+ IMG_VOID *pvCpuVAddr,
+ IMG_UINT32 ulCpuPAddr,
+ IMG_VOID *pvPrivateData,
+ IMG_UINT32 ui32Bytes,
+ IMG_CHAR *pszFileName,
+ IMG_UINT32 ui32Line)
+{
+ DEBUG_MEM_ALLOC_REC *psRecord;
+
+
+ LinuxLockMutex(&g_sDebugMutex);
+ psRecord = kzalloc(sizeof(DEBUG_MEM_ALLOC_REC), GFP_KERNEL);
+ if (psRecord == NULL) {
+ /* If it can't allocate memory, it means that we can't
+ * record the usage of memory. So skip it as
+ * it is harmless.
+ */
+ LinuxUnLockMutex(&g_sDebugMutex);
+ PVR_DPF((PVR_DBG_ERROR,
+ "%s: failed to allocate linux memory record.",
+ __func__));
+ return;
+ }
+
+ psRecord->eAllocType = eAllocType;
+ psRecord->pvKey = pvKey;
+ psRecord->pvCpuVAddr = pvCpuVAddr;
+ psRecord->ulCpuPAddr = ulCpuPAddr;
+ psRecord->pvPrivateData = pvPrivateData;
+ psRecord->pid = OSGetCurrentProcessIDKM();
+ psRecord->ui32Bytes = ui32Bytes;
+ psRecord->pszFileName = pszFileName;
+ psRecord->ui32Line = ui32Line;
+
+ List_DEBUG_MEM_ALLOC_REC_Insert(&g_MemoryRecords, psRecord);
+
+ g_WaterMarkData[eAllocType] += ui32Bytes;
+ if(g_WaterMarkData[eAllocType] > g_HighWaterMarkData[eAllocType])
+ {
+ g_HighWaterMarkData[eAllocType] = g_WaterMarkData[eAllocType];
+ }
+
+ if(eAllocType == DEBUG_MEM_ALLOC_TYPE_KMALLOC
+ || eAllocType == DEBUG_MEM_ALLOC_TYPE_VMALLOC
+ || eAllocType == DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES
+ || eAllocType == DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE)
+ {
+ g_SysRAMWaterMark += ui32Bytes;
+ if(g_SysRAMWaterMark > g_SysRAMHighWaterMark)
+ {
+ g_SysRAMHighWaterMark = g_SysRAMWaterMark;
+ }
+ }
+ else if(eAllocType == DEBUG_MEM_ALLOC_TYPE_IOREMAP
+ || eAllocType == DEBUG_MEM_ALLOC_TYPE_IO)
+ {
+ g_IOMemWaterMark += ui32Bytes;
+ if(g_IOMemWaterMark > g_IOMemHighWaterMark)
+ {
+ g_IOMemHighWaterMark = g_IOMemWaterMark;
+ }
+ }
+
+ LinuxUnLockMutex(&g_sDebugMutex);
+}
+
+
+static IMG_BOOL DebugMemAllocRecordRemove_AnyVaCb(DEBUG_MEM_ALLOC_REC *psCurrentRecord, va_list va)
+{
+ DEBUG_MEM_ALLOC_TYPE eAllocType;
+ IMG_VOID *pvKey;
+
+ eAllocType = va_arg(va, DEBUG_MEM_ALLOC_TYPE);
+ pvKey = va_arg(va, IMG_VOID*);
+
+ if(psCurrentRecord->eAllocType == eAllocType
+ && psCurrentRecord->pvKey == pvKey)
+ {
+ eAllocType = psCurrentRecord->eAllocType;
+ g_WaterMarkData[eAllocType] -= psCurrentRecord->ui32Bytes;
+
+ if(eAllocType == DEBUG_MEM_ALLOC_TYPE_KMALLOC
+ || eAllocType == DEBUG_MEM_ALLOC_TYPE_VMALLOC
+ || eAllocType == DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES
+ || eAllocType == DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE)
+ {
+ g_SysRAMWaterMark -= psCurrentRecord->ui32Bytes;
+ }
+ else if(eAllocType == DEBUG_MEM_ALLOC_TYPE_IOREMAP
+ || eAllocType == DEBUG_MEM_ALLOC_TYPE_IO)
+ {
+ g_IOMemWaterMark -= psCurrentRecord->ui32Bytes;
+ }
+
+ List_DEBUG_MEM_ALLOC_REC_Remove(psCurrentRecord);
+ kfree(psCurrentRecord);
+
+ return IMG_TRUE;
+ }
+ else
+ {
+ return IMG_FALSE;
+ }
+}
+
+
+static IMG_VOID
+DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE eAllocType, IMG_VOID *pvKey, IMG_CHAR *pszFileName, IMG_UINT32 ui32Line)
+{
+ LinuxLockMutex(&g_sDebugMutex);
+
+
+ if(!List_DEBUG_MEM_ALLOC_REC_IMG_BOOL_Any_va(g_MemoryRecords,
+ DebugMemAllocRecordRemove_AnyVaCb,
+ eAllocType,
+ pvKey))
+ {
+ PVR_DPF((PVR_DBG_ERROR, "%s: couldn't find an entry for type=%s with pvKey=%p (called from %s, line %d\n",
+ __FUNCTION__, DebugMemAllocRecordTypeToString(eAllocType), pvKey,
+ pszFileName, ui32Line));
+ }
+
+ LinuxUnLockMutex(&g_sDebugMutex);
+}
+
+
+static IMG_CHAR *
+DebugMemAllocRecordTypeToString(DEBUG_MEM_ALLOC_TYPE eAllocType)
+{
+ IMG_CHAR *apszDebugMemoryRecordTypes[] = {
+ "KMALLOC",
+ "VMALLOC",
+ "ALLOC_PAGES",
+ "IOREMAP",
+ "IO",
+ "KMEM_CACHE_ALLOC"
+ };
+ return apszDebugMemoryRecordTypes[eAllocType];
+}
+#endif
+
+
+
+IMG_VOID *
+_VMallocWrapper(IMG_UINT32 ui32Bytes,
+ IMG_UINT32 ui32AllocFlags,
+ IMG_CHAR *pszFileName,
+ IMG_UINT32 ui32Line)
+{
+ pgprot_t PGProtFlags;
+ IMG_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%08x",
+ ui32AllocFlags));
+ dump_stack();
+ return NULL;
+ }
+
+
+ pvRet = __vmalloc(ui32Bytes, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PGProtFlags);
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ if(pvRet)
+ {
+ DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_VMALLOC,
+ pvRet,
+ pvRet,
+ 0,
+ NULL,
+ PAGE_ALIGN(ui32Bytes),
+ pszFileName,
+ ui32Line
+ );
+ }
+#else
+ PVR_UNREFERENCED_PARAMETER(pszFileName);
+ PVR_UNREFERENCED_PARAMETER(ui32Line);
+#endif
+
+ return pvRet;
+}
+
+
+IMG_VOID
+_VFreeWrapper(IMG_VOID *pvCpuVAddr, IMG_CHAR *pszFileName, IMG_UINT32 ui32Line)
+{
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_VMALLOC, pvCpuVAddr, pszFileName, ui32Line);
+#else
+ PVR_UNREFERENCED_PARAMETER(pszFileName);
+ PVR_UNREFERENCED_PARAMETER(ui32Line);
+#endif
+ vfree(pvCpuVAddr);
+}
+
+
+LinuxMemArea *
+NewVMallocLinuxMemArea(IMG_UINT32 ui32Bytes, IMG_UINT32 ui32AreaFlags)
+{
+ LinuxMemArea *psLinuxMemArea;
+ IMG_VOID *pvCpuVAddr;
+
+ psLinuxMemArea = LinuxMemAreaStructAlloc();
+ if(!psLinuxMemArea)
+ {
+ goto failed;
+ }
+
+ pvCpuVAddr = VMallocWrapper(ui32Bytes, ui32AreaFlags);
+ if(!pvCpuVAddr)
+ {
+ goto failed;
+ }
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
+
+ ReservePages(pvCpuVAddr, ui32Bytes);
+#endif
+
+ psLinuxMemArea->eAreaType = LINUX_MEM_AREA_VMALLOC;
+ psLinuxMemArea->uData.sVmalloc.pvVmallocAddress = pvCpuVAddr;
+ psLinuxMemArea->ui32ByteSize = ui32Bytes;
+ psLinuxMemArea->ui32AreaFlags = ui32AreaFlags;
+ INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList);
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags);
+#endif
+
+
+ if(ui32AreaFlags & (PVRSRV_HAP_WRITECOMBINE | PVRSRV_HAP_UNCACHED))
+ OSInvalidateCPUCacheRangeKM(psLinuxMemArea, pvCpuVAddr, ui32Bytes);
+
+ return psLinuxMemArea;
+
+failed:
+ PVR_DPF((PVR_DBG_ERROR, "%s: failed!", __FUNCTION__));
+ if(psLinuxMemArea)
+ LinuxMemAreaStructFree(psLinuxMemArea);
+ return NULL;
+}
+
+
+IMG_VOID
+FreeVMallocLinuxMemArea(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
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
+ UnreservePages(psLinuxMemArea->uData.sVmalloc.pvVmallocAddress,
+ psLinuxMemArea->ui32ByteSize);
+#endif
+
+ PVR_DPF((PVR_DBG_MESSAGE,"%s: pvCpuVAddr: %p",
+ __FUNCTION__, psLinuxMemArea->uData.sVmalloc.pvVmallocAddress));
+ VFreeWrapper(psLinuxMemArea->uData.sVmalloc.pvVmallocAddress);
+
+ LinuxMemAreaStructFree(psLinuxMemArea);
+}
+
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
+static IMG_VOID
+ReservePages(IMG_VOID *pvAddress, IMG_UINT32 ui32Length)
+{
+ IMG_VOID *pvPage;
+ IMG_VOID *pvEnd = pvAddress + ui32Length;
+
+ for(pvPage = pvAddress; pvPage < pvEnd; pvPage += PAGE_SIZE)
+ {
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0))
+ SetPageReserved(vmalloc_to_page(pvPage));
+#else
+ mem_map_reserve(vmalloc_to_page(pvPage));
+#endif
+ }
+}
+
+
+static IMG_VOID
+UnreservePages(IMG_VOID *pvAddress, IMG_UINT32 ui32Length)
+{
+ IMG_VOID *pvPage;
+ IMG_VOID *pvEnd = pvAddress + ui32Length;
+
+ for(pvPage = pvAddress; pvPage < pvEnd; pvPage += PAGE_SIZE)
+ {
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0))
+ ClearPageReserved(vmalloc_to_page(pvPage));
+#else
+ mem_map_unreserve(vmalloc_to_page(pvPage));
+#endif
+ }
+}
+#endif
+
+
+IMG_VOID *
+_IORemapWrapper(IMG_CPU_PHYADDR BasePAddr,
+ IMG_UINT32 ui32Bytes,
+ IMG_UINT32 ui32MappingFlags,
+ IMG_CHAR *pszFileName,
+ IMG_UINT32 ui32Line)
+{
+ IMG_VOID *pvIORemapCookie;
+
+ switch(ui32MappingFlags & PVRSRV_HAP_CACHETYPE_MASK)
+ {
+ case PVRSRV_HAP_CACHED:
+ pvIORemapCookie = (IMG_VOID *)IOREMAP(BasePAddr.uiAddr, ui32Bytes);
+ break;
+ case PVRSRV_HAP_WRITECOMBINE:
+ pvIORemapCookie = (IMG_VOID *)IOREMAP_WC(BasePAddr.uiAddr, ui32Bytes);
+ break;
+ case PVRSRV_HAP_UNCACHED:
+ pvIORemapCookie = (IMG_VOID *)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,
+ pvIORemapCookie,
+ pvIORemapCookie,
+ BasePAddr.uiAddr,
+ NULL,
+ ui32Bytes,
+ pszFileName,
+ ui32Line
+ );
+ }
+#else
+ PVR_UNREFERENCED_PARAMETER(pszFileName);
+ PVR_UNREFERENCED_PARAMETER(ui32Line);
+#endif
+
+ return pvIORemapCookie;
+}
+
+
+IMG_VOID
+_IOUnmapWrapper(IMG_VOID *pvIORemapCookie, IMG_CHAR *pszFileName, IMG_UINT32 ui32Line)
+{
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_IOREMAP, pvIORemapCookie, pszFileName, ui32Line);
+#else
+ PVR_UNREFERENCED_PARAMETER(pszFileName);
+ PVR_UNREFERENCED_PARAMETER(ui32Line);
+#endif
+ iounmap(pvIORemapCookie);
+}
+
+
+LinuxMemArea *
+NewIORemapLinuxMemArea(IMG_CPU_PHYADDR BasePAddr,
+ IMG_UINT32 ui32Bytes,
+ IMG_UINT32 ui32AreaFlags)
+{
+ LinuxMemArea *psLinuxMemArea;
+ IMG_VOID *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;
+ INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList);
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags);
+#endif
+
+ return psLinuxMemArea;
+}
+
+
+IMG_VOID
+FreeIORemapLinuxMemArea(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);
+}
+
+
+#if !defined(PVR_MAKE_ALL_PFNS_SPECIAL)
+static IMG_BOOL
+TreatExternalPagesAsContiguous(IMG_SYS_PHYADDR *psSysPhysAddr, IMG_UINT32 ui32Bytes, IMG_BOOL bPhysContig)
+{
+ IMG_UINT32 ui32;
+ IMG_UINT32 ui32AddrChk;
+ IMG_UINT32 ui32NumPages = RANGE_TO_PAGES(ui32Bytes);
+
+
+ for (ui32 = 0, ui32AddrChk = psSysPhysAddr[0].uiAddr;
+ ui32 < ui32NumPages;
+ ui32++, ui32AddrChk = (bPhysContig) ? (ui32AddrChk + PAGE_SIZE) : psSysPhysAddr[ui32].uiAddr)
+ {
+ if (!pfn_valid(PHYS_TO_PFN(ui32AddrChk)))
+ {
+ break;
+ }
+ }
+ if (ui32 == ui32NumPages)
+ {
+ return IMG_FALSE;
+ }
+
+ if (!bPhysContig)
+ {
+ for (ui32 = 0, ui32AddrChk = psSysPhysAddr[0].uiAddr;
+ ui32 < ui32NumPages;
+ ui32++, ui32AddrChk += PAGE_SIZE)
+ {
+ if (psSysPhysAddr[ui32].uiAddr != ui32AddrChk)
+ {
+ return IMG_FALSE;
+ }
+ }
+ }
+
+ return IMG_TRUE;
+}
+#endif
+
+LinuxMemArea *NewExternalKVLinuxMemArea(IMG_SYS_PHYADDR *pBasePAddr, IMG_VOID *pvCPUVAddr, IMG_UINT32 ui32Bytes, IMG_BOOL bPhysContig, IMG_UINT32 ui32AreaFlags)
+{
+ LinuxMemArea *psLinuxMemArea;
+
+ psLinuxMemArea = LinuxMemAreaStructAlloc();
+ if(!psLinuxMemArea)
+ {
+ return NULL;
+ }
+
+ psLinuxMemArea->eAreaType = LINUX_MEM_AREA_EXTERNAL_KV;
+ psLinuxMemArea->uData.sExternalKV.pvExternalKV = pvCPUVAddr;
+ psLinuxMemArea->uData.sExternalKV.bPhysContig =
+#if !defined(PVR_MAKE_ALL_PFNS_SPECIAL)
+ (bPhysContig || TreatExternalPagesAsContiguous(pBasePAddr, ui32Bytes, bPhysContig))
+ ? IMG_TRUE : IMG_FALSE;
+#else
+ bPhysContig;
+#endif
+ if (psLinuxMemArea->uData.sExternalKV.bPhysContig)
+ {
+ psLinuxMemArea->uData.sExternalKV.uPhysAddr.SysPhysAddr = *pBasePAddr;
+ }
+ else
+ {
+ psLinuxMemArea->uData.sExternalKV.uPhysAddr.pSysPhysAddr = pBasePAddr;
+ }
+ psLinuxMemArea->ui32ByteSize = ui32Bytes;
+ psLinuxMemArea->ui32AreaFlags = ui32AreaFlags;
+ INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList);
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags);
+#endif
+
+ return psLinuxMemArea;
+}
+
+
+IMG_VOID
+FreeExternalKVLinuxMemArea(LinuxMemArea *psLinuxMemArea)
+{
+ PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_EXTERNAL_KV);
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
+#endif
+
+ LinuxMemAreaStructFree(psLinuxMemArea);
+}
+
+
+LinuxMemArea *
+NewIOLinuxMemArea(IMG_CPU_PHYADDR BasePAddr,
+ IMG_UINT32 ui32Bytes,
+ IMG_UINT32 ui32AreaFlags)
+{
+ 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;
+ INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList);
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_IO,
+ (IMG_VOID *)BasePAddr.uiAddr,
+ 0,
+ BasePAddr.uiAddr,
+ NULL,
+ ui32Bytes,
+ "unknown",
+ 0
+ );
+#endif
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ DebugLinuxMemAreaRecordAdd(psLinuxMemArea, ui32AreaFlags);
+#endif
+
+ return psLinuxMemArea;
+}
+
+
+IMG_VOID
+FreeIOLinuxMemArea(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,
+ (IMG_VOID *)psLinuxMemArea->uData.sIO.CPUPhysAddr.uiAddr, __FILE__, __LINE__);
+#endif
+
+
+
+ LinuxMemAreaStructFree(psLinuxMemArea);
+}
+
+
+LinuxMemArea *
+NewAllocPagesLinuxMemArea(IMG_UINT32 ui32Bytes, IMG_UINT32 ui32AreaFlags)
+{
+ LinuxMemArea *psLinuxMemArea;
+ IMG_UINT32 ui32PageCount;
+ struct page **pvPageList;
+ IMG_HANDLE hBlockPageList;
+ IMG_INT32 i;
+ PVRSRV_ERROR eError;
+
+ psLinuxMemArea = LinuxMemAreaStructAlloc();
+ if(!psLinuxMemArea)
+ {
+ goto failed_area_alloc;
+ }
+
+ ui32PageCount = RANGE_TO_PAGES(ui32Bytes);
+ eError = OSAllocMem(0, sizeof(*pvPageList) * ui32PageCount, (IMG_VOID **)&pvPageList, &hBlockPageList,
+ "Array of pages");
+ if(eError != PVRSRV_OK)
+ {
+ goto failed_page_list_alloc;
+ }
+
+ for(i=0; i<(IMG_INT32)ui32PageCount; i++)
+ {
+ pvPageList[i] = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, 0);
+ if(!pvPageList[i])
+ {
+ goto failed_alloc_pages;
+ }
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0))
+ SetPageReserved(pvPageList[i]);
+#else
+ mem_map_reserve(pvPageList[i]);
+#endif
+#endif
+
+ }
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES,
+ pvPageList,
+ 0,
+ 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;
+ INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList);
+
+
+ if(ui32AreaFlags & (PVRSRV_HAP_WRITECOMBINE | PVRSRV_HAP_UNCACHED))
+ {
+ psLinuxMemArea->bNeedsCacheInvalidate = IMG_TRUE;
+ }
+
+#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);
+ }
+ (IMG_VOID) OSFreeMem(0, sizeof(*pvPageList) * ui32PageCount, pvPageList, hBlockPageList);
+ psLinuxMemArea->uData.sPageList.pvPageList = IMG_NULL;
+failed_page_list_alloc:
+ LinuxMemAreaStructFree(psLinuxMemArea);
+failed_area_alloc:
+ PVR_DPF((PVR_DBG_ERROR, "%s: failed", __FUNCTION__));
+
+ return NULL;
+}
+
+
+IMG_VOID
+FreeAllocPagesLinuxMemArea(LinuxMemArea *psLinuxMemArea)
+{
+ IMG_UINT32 ui32PageCount;
+ struct page **pvPageList;
+ IMG_HANDLE hBlockPageList;
+ IMG_INT32 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<(IMG_INT32)ui32PageCount;i++)
+ {
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0))
+ ClearPageReserved(pvPageList[i]);
+#else
+ mem_map_reserve(pvPageList[i]);
+#endif
+#endif
+ __free_pages(pvPageList[i], 0);
+ }
+
+ (IMG_VOID) OSFreeMem(0, sizeof(*pvPageList) * ui32PageCount, pvPageList, hBlockPageList);
+ psLinuxMemArea->uData.sPageList.pvPageList = IMG_NULL;
+
+ LinuxMemAreaStructFree(psLinuxMemArea);
+}
+
+
+struct page*
+LinuxMemAreaOffsetToPage(LinuxMemArea *psLinuxMemArea,
+ IMG_UINT32 ui32ByteOffset)
+{
+ IMG_UINT32 ui32PageIndex;
+ IMG_CHAR *pui8Addr;
+
+ switch(psLinuxMemArea->eAreaType)
+ {
+ case LINUX_MEM_AREA_ALLOC_PAGES:
+ ui32PageIndex = PHYS_TO_PFN(ui32ByteOffset);
+ return psLinuxMemArea->uData.sPageList.pvPageList[ui32PageIndex];
+
+ case LINUX_MEM_AREA_VMALLOC:
+ pui8Addr = psLinuxMemArea->uData.sVmalloc.pvVmallocAddress;
+ pui8Addr += ui32ByteOffset;
+ return vmalloc_to_page(pui8Addr);
+
+ case LINUX_MEM_AREA_SUB_ALLOC:
+
+ return LinuxMemAreaOffsetToPage(psLinuxMemArea->uData.sSubAlloc.psParentLinuxMemArea,
+ psLinuxMemArea->uData.sSubAlloc.ui32ByteOffset
+ + ui32ByteOffset);
+ default:
+ PVR_DPF((PVR_DBG_ERROR,
+ "%s: Unsupported request for struct page from LinuxMemArea with type=%s",
+ __FUNCTION__, LinuxMemAreaTypeToString(psLinuxMemArea->eAreaType)));
+ return NULL;
+ }
+}
+
+
+LinuxKMemCache *
+KMemCacheCreateWrapper(IMG_CHAR *pszName,
+ size_t Size,
+ size_t Align,
+ IMG_UINT32 ui32Flags)
+{
+#if defined(DEBUG_LINUX_SLAB_ALLOCATIONS)
+ ui32Flags |= SLAB_POISON|SLAB_RED_ZONE;
+#endif
+ return kmem_cache_create(pszName, Size, Align, ui32Flags, NULL
+#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,22))
+ , NULL
+#endif
+ );
+}
+
+
+IMG_VOID
+KMemCacheDestroyWrapper(LinuxKMemCache *psCache)
+{
+ kmem_cache_destroy(psCache);
+}
+
+
+IMG_VOID *
+_KMemCacheAllocWrapper(LinuxKMemCache *psCache,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,14))
+ gfp_t Flags,
+#else
+ IMG_INT Flags,
+#endif
+ IMG_CHAR *pszFileName,
+ IMG_UINT32 ui32Line)
+{
+ IMG_VOID *pvRet;
+
+ pvRet = kmem_cache_zalloc(psCache, Flags);
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ if (pvRet)
+ DebugMemAllocRecordAdd(DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE,
+ pvRet,
+ pvRet,
+ 0,
+ psCache,
+ kmem_cache_size(psCache),
+ pszFileName,
+ ui32Line
+ );
+#else
+ PVR_UNREFERENCED_PARAMETER(pszFileName);
+ PVR_UNREFERENCED_PARAMETER(ui32Line);
+#endif
+
+ return pvRet;
+}
+
+
+IMG_VOID
+_KMemCacheFreeWrapper(LinuxKMemCache *psCache, IMG_VOID *pvObject, IMG_CHAR *pszFileName, IMG_UINT32 ui32Line)
+{
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+ DebugMemAllocRecordRemove(DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE, pvObject, pszFileName, ui32Line);
+#else
+ PVR_UNREFERENCED_PARAMETER(pszFileName);
+ PVR_UNREFERENCED_PARAMETER(ui32Line);
+#endif
+
+ kmem_cache_free(psCache, pvObject);
+}
+
+
+const IMG_CHAR *
+KMemCacheNameWrapper(LinuxKMemCache *psCache)
+{
+ PVR_UNREFERENCED_PARAMETER(psCache);
+
+
+ return "";
+}
+
+
+LinuxMemArea *
+NewSubLinuxMemArea(LinuxMemArea *psParentLinuxMemArea,
+ IMG_UINT32 ui32ByteOffset,
+ IMG_UINT32 ui32Bytes)
+{
+ 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->bNeedsCacheInvalidate = psParentLinuxMemArea->bNeedsCacheInvalidate;
+ INIT_LIST_HEAD(&psLinuxMemArea->sMMapOffsetStructList);
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ {
+ DEBUG_LINUX_MEM_AREA_REC *psParentRecord;
+ psParentRecord = DebugLinuxMemAreaRecordFind(psParentLinuxMemArea);
+ DebugLinuxMemAreaRecordAdd(psLinuxMemArea, psParentRecord->ui32Flags);
+ }
+#endif
+
+ return psLinuxMemArea;
+}
+
+
+static IMG_VOID
+FreeSubLinuxMemArea(LinuxMemArea *psLinuxMemArea)
+{
+ PVR_ASSERT(psLinuxMemArea->eAreaType == LINUX_MEM_AREA_SUB_ALLOC);
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+ DebugLinuxMemAreaRecordRemove(psLinuxMemArea);
+#endif
+
+
+
+ LinuxMemAreaStructFree(psLinuxMemArea);
+}
+
+
+static LinuxMemArea *
+LinuxMemAreaStructAlloc(IMG_VOID)
+{
+#if 0
+ LinuxMemArea *psLinuxMemArea;
+ psLinuxMemArea = kmem_cache_alloc(psLinuxMemAreaCache, GFP_KERNEL);
+ printk(KERN_ERR "%s: psLinuxMemArea=%p\n", __FUNCTION__, psLinuxMemArea);
+ dump_stack();
+ return psLinuxMemArea;
+#else
+ return KMemCacheAllocWrapper(psLinuxMemAreaCache, GFP_KERNEL);
+#endif
+}
+
+
+static IMG_VOID
+LinuxMemAreaStructFree(LinuxMemArea *psLinuxMemArea)
+{
+ KMemCacheFreeWrapper(psLinuxMemAreaCache, psLinuxMemArea);
+
+
+}
+
+
+IMG_VOID
+LinuxMemAreaDeepFree(LinuxMemArea *psLinuxMemArea)
+{
+ switch(psLinuxMemArea->eAreaType)
+ {
+ case LINUX_MEM_AREA_VMALLOC:
+ FreeVMallocLinuxMemArea(psLinuxMemArea);
+ break;
+ case LINUX_MEM_AREA_ALLOC_PAGES:
+ FreeAllocPagesLinuxMemArea(psLinuxMemArea);
+ break;
+ case LINUX_MEM_AREA_IOREMAP:
+ FreeIORemapLinuxMemArea(psLinuxMemArea);
+ break;
+ case LINUX_MEM_AREA_EXTERNAL_KV:
+ FreeExternalKVLinuxMemArea(psLinuxMemArea);
+ break;
+ case LINUX_MEM_AREA_IO:
+ FreeIOLinuxMemArea(psLinuxMemArea);
+ break;
+ case LINUX_MEM_AREA_SUB_ALLOC:
+ FreeSubLinuxMemArea(psLinuxMemArea);
+ break;
+ default:
+ PVR_DPF((PVR_DBG_ERROR, "%s: Unknown are type (%d)\n",
+ __FUNCTION__, psLinuxMemArea->eAreaType));
+ break;
+ }
+}
+
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+static IMG_VOID
+DebugLinuxMemAreaRecordAdd(LinuxMemArea *psLinuxMemArea, IMG_UINT32 ui32Flags)
+{
+ DEBUG_LINUX_MEM_AREA_REC *psNewRecord;
+ const IMG_CHAR *pi8FlagsString;
+
+ LinuxLockMutex(&g_sDebugMutex);
+
+ if(psLinuxMemArea->eAreaType != LINUX_MEM_AREA_SUB_ALLOC)
+ {
+ g_LinuxMemAreaWaterMark += psLinuxMemArea->ui32ByteSize;
+ if(g_LinuxMemAreaWaterMark > g_LinuxMemAreaHighWaterMark)
+ {
+ g_LinuxMemAreaHighWaterMark = g_LinuxMemAreaWaterMark;
+ }
+ }
+ g_LinuxMemAreaCount++;
+
+
+ psNewRecord = kmalloc(sizeof(DEBUG_LINUX_MEM_AREA_REC), GFP_KERNEL);
+ if(psNewRecord)
+ {
+
+ psNewRecord->psLinuxMemArea = psLinuxMemArea;
+ psNewRecord->ui32Flags = ui32Flags;
+ psNewRecord->pid = OSGetCurrentProcessIDKM();
+
+ List_DEBUG_LINUX_MEM_AREA_REC_Insert(&g_LinuxMemAreaRecords, psNewRecord);
+ }
+ else
+ {
+ PVR_DPF((PVR_DBG_ERROR,
+ "%s: failed to allocate linux memory area record.",
+ __FUNCTION__));
+ }
+
+
+ pi8FlagsString = HAPFlagsToString(ui32Flags);
+ if(strstr(pi8FlagsString, "UNKNOWN"))
+ {
+ PVR_DPF((PVR_DBG_ERROR,
+ "%s: Unexpected flags (0x%08x) associated with psLinuxMemArea @ %p",
+ __FUNCTION__,
+ ui32Flags,
+ psLinuxMemArea));
+
+ }
+
+ LinuxUnLockMutex(&g_sDebugMutex);
+}
+
+
+
+static IMG_VOID* MatchLinuxMemArea_AnyVaCb(DEBUG_LINUX_MEM_AREA_REC *psCurrentRecord,
+ va_list va)
+{
+ LinuxMemArea *psLinuxMemArea;
+
+ psLinuxMemArea = va_arg(va, LinuxMemArea*);
+ if(psCurrentRecord->psLinuxMemArea == psLinuxMemArea)
+ {
+ return psCurrentRecord;
+ }
+ else
+ {
+ return IMG_NULL;
+ }
+}
+
+
+static DEBUG_LINUX_MEM_AREA_REC *
+DebugLinuxMemAreaRecordFind(LinuxMemArea *psLinuxMemArea)
+{
+ DEBUG_LINUX_MEM_AREA_REC *psCurrentRecord;
+
+ LinuxLockMutex(&g_sDebugMutex);
+ psCurrentRecord = List_DEBUG_LINUX_MEM_AREA_REC_Any_va(g_LinuxMemAreaRecords,
+ MatchLinuxMemArea_AnyVaCb,
+ psLinuxMemArea);
+
+ LinuxUnLockMutex(&g_sDebugMutex);
+
+ return psCurrentRecord;
+}
+
+
+static IMG_VOID
+DebugLinuxMemAreaRecordRemove(LinuxMemArea *psLinuxMemArea)
+{
+ DEBUG_LINUX_MEM_AREA_REC *psCurrentRecord;
+
+ LinuxLockMutex(&g_sDebugMutex);
+
+ if(psLinuxMemArea->eAreaType != LINUX_MEM_AREA_SUB_ALLOC)
+ {
+ g_LinuxMemAreaWaterMark -= psLinuxMemArea->ui32ByteSize;
+ }
+ g_LinuxMemAreaCount--;
+
+
+ psCurrentRecord = List_DEBUG_LINUX_MEM_AREA_REC_Any_va(g_LinuxMemAreaRecords,
+ MatchLinuxMemArea_AnyVaCb,
+ psLinuxMemArea);
+ if(psCurrentRecord)
+ {
+
+ List_DEBUG_LINUX_MEM_AREA_REC_Remove(psCurrentRecord);
+ kfree(psCurrentRecord);
+ }
+ else
+ {
+ PVR_DPF((PVR_DBG_ERROR, "%s: couldn't find an entry for psLinuxMemArea=%p\n",
+ __FUNCTION__, psLinuxMemArea));
+ }
+
+ LinuxUnLockMutex(&g_sDebugMutex);
+}
+#endif
+
+
+IMG_VOID *
+LinuxMemAreaToCpuVAddr(LinuxMemArea *psLinuxMemArea)
+{
+ switch(psLinuxMemArea->eAreaType)
+ {
+ case LINUX_MEM_AREA_VMALLOC:
+ return psLinuxMemArea->uData.sVmalloc.pvVmallocAddress;
+ case LINUX_MEM_AREA_IOREMAP:
+ return psLinuxMemArea->uData.sIORemap.pvIORemapCookie;
+ case LINUX_MEM_AREA_EXTERNAL_KV:
+ return psLinuxMemArea->uData.sExternalKV.pvExternalKV;
+ case LINUX_MEM_AREA_SUB_ALLOC:
+ {
+ IMG_CHAR *pAddr =
+ LinuxMemAreaToCpuVAddr(psLinuxMemArea->uData.sSubAlloc.psParentLinuxMemArea);
+ if(!pAddr)
+ {
+ return NULL;
+ }
+ return pAddr + psLinuxMemArea->uData.sSubAlloc.ui32ByteOffset;
+ }
+ default:
+ return NULL;
+ }
+}
+
+
+IMG_CPU_PHYADDR
+LinuxMemAreaToCpuPAddr(LinuxMemArea *psLinuxMemArea, IMG_UINT32 ui32ByteOffset)
+{
+ IMG_CPU_PHYADDR CpuPAddr;
+
+ CpuPAddr.uiAddr = 0;
+
+ switch(psLinuxMemArea->eAreaType)
+ {
+ case LINUX_MEM_AREA_IOREMAP:
+ {
+ CpuPAddr = psLinuxMemArea->uData.sIORemap.CPUPhysAddr;
+ CpuPAddr.uiAddr += ui32ByteOffset;
+ break;
+ }
+ case LINUX_MEM_AREA_EXTERNAL_KV:
+ {
+ if (psLinuxMemArea->uData.sExternalKV.bPhysContig)
+ {
+ CpuPAddr = SysSysPAddrToCpuPAddr(psLinuxMemArea->uData.sExternalKV.uPhysAddr.SysPhysAddr);
+ CpuPAddr.uiAddr += ui32ByteOffset;
+ }
+ else
+ {
+ IMG_UINT32 ui32PageIndex = PHYS_TO_PFN(ui32ByteOffset);
+ IMG_SYS_PHYADDR SysPAddr = psLinuxMemArea->uData.sExternalKV.uPhysAddr.pSysPhysAddr[ui32PageIndex];
+
+ CpuPAddr = SysSysPAddrToCpuPAddr(SysPAddr);
+ CpuPAddr.uiAddr += ADDR_TO_PAGE_OFFSET(ui32ByteOffset);
+ }
+ break;
+ }
+ case LINUX_MEM_AREA_IO:
+ {
+ CpuPAddr = psLinuxMemArea->uData.sIO.CPUPhysAddr;
+ CpuPAddr.uiAddr += ui32ByteOffset;
+ break;
+ }
+ case LINUX_MEM_AREA_VMALLOC:
+ {
+ IMG_CHAR *pCpuVAddr;
+ pCpuVAddr =
+ (IMG_CHAR *)psLinuxMemArea->uData.sVmalloc.pvVmallocAddress;
+ pCpuVAddr += ui32ByteOffset;
+ CpuPAddr.uiAddr = VMallocToPhys(pCpuVAddr);
+ break;
+ }
+ case LINUX_MEM_AREA_ALLOC_PAGES:
+ {
+ struct page *page;
+ IMG_UINT32 ui32PageIndex = PHYS_TO_PFN(ui32ByteOffset);
+ page = psLinuxMemArea->uData.sPageList.pvPageList[ui32PageIndex];
+ CpuPAddr.uiAddr = page_to_phys(page);
+ CpuPAddr.uiAddr += ADDR_TO_PAGE_OFFSET(ui32ByteOffset);
+ break;
+ }
+ case LINUX_MEM_AREA_SUB_ALLOC:
+ {
+ CpuPAddr =
+ OSMemHandleToCpuPAddr(psLinuxMemArea->uData.sSubAlloc.psParentLinuxMemArea,
+ psLinuxMemArea->uData.sSubAlloc.ui32ByteOffset
+ + ui32ByteOffset);
+ break;
+ }
+ default:
+ {
+ PVR_DPF((PVR_DBG_ERROR, "%s: Unknown LinuxMemArea type (%d)\n",
+ __FUNCTION__, psLinuxMemArea->eAreaType));
+ PVR_ASSERT(CpuPAddr.uiAddr);
+ break;
+ }
+ }
+
+ return CpuPAddr;
+}
+
+
+IMG_BOOL
+LinuxMemAreaPhysIsContig(LinuxMemArea *psLinuxMemArea)
+{
+ switch(psLinuxMemArea->eAreaType)
+ {
+ case LINUX_MEM_AREA_IOREMAP:
+ case LINUX_MEM_AREA_IO:
+ return IMG_TRUE;
+
+ case LINUX_MEM_AREA_EXTERNAL_KV:
+ return psLinuxMemArea->uData.sExternalKV.bPhysContig;
+
+ case LINUX_MEM_AREA_VMALLOC:
+ case LINUX_MEM_AREA_ALLOC_PAGES:
+ return IMG_FALSE;
+
+ case LINUX_MEM_AREA_SUB_ALLOC:
+
+ return LinuxMemAreaPhysIsContig(psLinuxMemArea->uData.sSubAlloc.psParentLinuxMemArea);
+
+ default:
+ PVR_DPF((PVR_DBG_ERROR, "%s: Unknown LinuxMemArea type (%d)\n",
+ __FUNCTION__, psLinuxMemArea->eAreaType));
+ break;
+ }
+ return IMG_FALSE;
+}
+
+
+const IMG_CHAR *
+LinuxMemAreaTypeToString(LINUX_MEM_AREA_TYPE eMemAreaType)
+{
+
+ switch(eMemAreaType)
+ {
+ case LINUX_MEM_AREA_IOREMAP:
+ return "LINUX_MEM_AREA_IOREMAP";
+ case LINUX_MEM_AREA_EXTERNAL_KV:
+ return "LINUX_MEM_AREA_EXTERNAL_KV";
+ case LINUX_MEM_AREA_IO:
+ return "LINUX_MEM_AREA_IO";
+ case LINUX_MEM_AREA_VMALLOC:
+ return "LINUX_MEM_AREA_VMALLOC";
+ case LINUX_MEM_AREA_SUB_ALLOC:
+ return "LINUX_MEM_AREA_SUB_ALLOC";
+ case LINUX_MEM_AREA_ALLOC_PAGES:
+ return "LINUX_MEM_AREA_ALLOC_PAGES";
+ default:
+ PVR_ASSERT(0);
+ }
+
+ return "";
+}
+
+
+#if defined(DEBUG_LINUX_MEM_AREAS) || defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+static void ProcSeqStartstopDebugMutex(struct seq_file *sfile, IMG_BOOL start)
+{
+ if(start)
+ {
+ LinuxLockMutex(&g_sDebugMutex);
+ }
+ else
+ {
+ LinuxUnLockMutex(&g_sDebugMutex);
+ }
+}
+#endif
+
+#if defined(DEBUG_LINUX_MEM_AREAS)
+
+static IMG_VOID* DecOffMemAreaRec_AnyVaCb(DEBUG_LINUX_MEM_AREA_REC *psNode, va_list va)
+{
+ off_t *pOff = va_arg(va, off_t*);
+ if (--(*pOff))
+ {
+ return IMG_NULL;
+ }
+ else
+ {
+ return psNode;
+ }
+}
+
+
+static void* ProcSeqNextMemArea(struct seq_file *sfile,void* el,loff_t off)
+{
+ DEBUG_LINUX_MEM_AREA_REC *psRecord;
+ psRecord = (DEBUG_LINUX_MEM_AREA_REC*)
+ List_DEBUG_LINUX_MEM_AREA_REC_Any_va(g_LinuxMemAreaRecords,
+ DecOffMemAreaRec_AnyVaCb,
+ &off);
+ return (void*)psRecord;
+}
+
+static void* ProcSeqOff2ElementMemArea(struct seq_file * sfile, loff_t off)
+{
+ DEBUG_LINUX_MEM_AREA_REC *psRecord;
+ if(!off)
+ {
+ return PVR_PROC_SEQ_START_TOKEN;
+ }
+
+ psRecord = (DEBUG_LINUX_MEM_AREA_REC*)
+ List_DEBUG_LINUX_MEM_AREA_REC_Any_va(g_LinuxMemAreaRecords,
+ DecOffMemAreaRec_AnyVaCb,
+ &off);
+ return (void*)psRecord;
+}
+
+
+static void ProcSeqShowMemArea(struct seq_file *sfile,void* el)
+{
+ DEBUG_LINUX_MEM_AREA_REC *psRecord = (DEBUG_LINUX_MEM_AREA_REC*)el;
+ if(el == PVR_PROC_SEQ_START_TOKEN)
+ {
+
+#if !defined(DEBUG_LINUX_XML_PROC_FILES)
+ seq_printf( sfile,
+ "Number of Linux Memory Areas: %u\n"
+ "At the current water mark these areas correspond to %u bytes (excluding SUB areas)\n"
+ "At the highest water mark these areas corresponded to %u bytes (excluding SUB areas)\n"
+ "\nDetails for all Linux Memory Areas:\n"
+ "%s %-24s %s %s %-8s %-5s %s\n",
+ g_LinuxMemAreaCount,
+ g_LinuxMemAreaWaterMark,
+ g_LinuxMemAreaHighWaterMark,
+ "psLinuxMemArea",
+ "LinuxMemType",
+ "CpuVAddr",
+ "CpuPAddr",
+ "Bytes",
+ "Pid",
+ "Flags"
+ );
+#else
+ seq_printf( sfile,
+ "<mem_areas_header>\n"
+ "\t<count>%u</count>\n"
+ "\t<watermark key=\"mar0\" description=\"current\" bytes=\"%u\"/>\n"
+ "\t<watermark key=\"mar1\" description=\"high\" bytes=\"%u\"/>\n"
+ "</mem_areas_header>\n",
+ g_LinuxMemAreaCount,
+ g_LinuxMemAreaWaterMark,
+ g_LinuxMemAreaHighWaterMark
+ );
+#endif
+ return;
+ }
+
+ seq_printf( sfile,
+#if !defined(DEBUG_LINUX_XML_PROC_FILES)
+ "%8p %-24s %8p %08x %-8d %-5u %08x=(%s)\n",
+#else
+ "<linux_mem_area>\n"
+ "\t<pointer>%8p</pointer>\n"
+ "\t<type>%s</type>\n"
+ "\t<cpu_virtual>%8p</cpu_virtual>\n"
+ "\t<cpu_physical>%08x</cpu_physical>\n"
+ "\t<bytes>%ld</bytes>\n"
+ "\t<pid>%u</pid>\n"
+ "\t<flags>%08lx</flags>\n"
+ "\t<flags_string>%s</flags_string>\n"
+ "</linux_mem_area>\n",
+#endif
+ psRecord->psLinuxMemArea,
+ LinuxMemAreaTypeToString(psRecord->psLinuxMemArea->eAreaType),
+ LinuxMemAreaToCpuVAddr(psRecord->psLinuxMemArea),
+ LinuxMemAreaToCpuPAddr(psRecord->psLinuxMemArea,0).uiAddr,
+ psRecord->psLinuxMemArea->ui32ByteSize,
+ psRecord->pid,
+ psRecord->ui32Flags,
+ HAPFlagsToString(psRecord->ui32Flags)
+ );
+
+}
+
+#endif
+
+
+#if defined(DEBUG_LINUX_MEMORY_ALLOCATIONS)
+
+static IMG_VOID* DecOffMemAllocRec_AnyVaCb(DEBUG_MEM_ALLOC_REC *psNode, va_list va)
+{
+ off_t *pOff = va_arg(va, off_t*);
+ if (--(*pOff))
+ {
+ return IMG_NULL;
+ }
+ else
+ {
+ return psNode;
+ }
+}
+
+
+
+static void* ProcSeqNextMemoryRecords(struct seq_file *sfile,void* el,loff_t off)
+{
+ DEBUG_MEM_ALLOC_REC *psRecord;
+ psRecord = (DEBUG_MEM_ALLOC_REC*)
+ List_DEBUG_MEM_ALLOC_REC_Any_va(g_MemoryRecords,
+ DecOffMemAllocRec_AnyVaCb,
+ &off);
+#if defined(DEBUG_LINUX_XML_PROC_FILES)
+ if(!psRecord)
+ {
+ seq_printf( sfile, "</meminfo>\n");
+ }
+#endif
+
+ return (void*)psRecord;
+}
+
+static void* ProcSeqOff2ElementMemoryRecords(struct seq_file *sfile, loff_t off)
+{
+ DEBUG_MEM_ALLOC_REC *psRecord;
+ if(!off)
+ {
+ return PVR_PROC_SEQ_START_TOKEN;
+ }
+
+ psRecord = (DEBUG_MEM_ALLOC_REC*)
+ List_DEBUG_MEM_ALLOC_REC_Any_va(g_MemoryRecords,
+ DecOffMemAllocRec_AnyVaCb,
+ &off);
+
+#if defined(DEBUG_LINUX_XML_PROC_FILES)
+ if(!psRecord)
+ {
+ seq_printf( sfile, "</meminfo>\n");
+ }
+#endif
+
+ return (void*)psRecord;
+}
+
+static void ProcSeqShowMemoryRecords(struct seq_file *sfile,void* el)
+{
+ DEBUG_MEM_ALLOC_REC *psRecord = (DEBUG_MEM_ALLOC_REC*)el;
+ if(el == PVR_PROC_SEQ_START_TOKEN)
+ {
+#if !defined(DEBUG_LINUX_XML_PROC_FILES)
+
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Current Water Mark of bytes allocated via kmalloc",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_KMALLOC]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Highest Water Mark of bytes allocated via kmalloc",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_KMALLOC]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Current Water Mark of bytes allocated via vmalloc",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_VMALLOC]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Highest Water Mark of bytes allocated via vmalloc",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_VMALLOC]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Current Water Mark of bytes allocated via alloc_pages",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Highest Water Mark of bytes allocated via alloc_pages",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Current Water Mark of bytes allocated via ioremap",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_IOREMAP]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Highest Water Mark of bytes allocated via ioremap",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_IOREMAP]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Current Water Mark of bytes reserved for \"IO\" memory areas",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_IO]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Highest Water Mark of bytes allocated for \"IO\" memory areas",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_IO]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Current Water Mark of bytes allocated via kmem_cache_alloc",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE]);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "Highest Water Mark of bytes allocated via kmem_cache_alloc",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE]);
+ seq_printf( sfile, "\n");
+
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "The Current Water Mark for memory allocated from system RAM",
+ g_SysRAMWaterMark);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "The Highest Water Mark for memory allocated from system RAM",
+ g_SysRAMHighWaterMark);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "The Current Water Mark for memory allocated from IO memory",
+ g_IOMemWaterMark);
+ seq_printf( sfile, "%-60s: %d bytes\n",
+ "The Highest Water Mark for memory allocated from IO memory",
+ g_IOMemHighWaterMark);
+
+ seq_printf( sfile, "\n");
+
+ seq_printf( sfile, "Details for all known allocations:\n"
+ "%-16s %-8s %-8s %-10s %-5s %-10s %s\n",
+ "Type",
+ "CpuVAddr",
+ "CpuPAddr",
+ "Bytes",
+ "PID",
+ "PrivateData",
+ "Filename:Line");
+
+#else
+
+
+ seq_printf( sfile, "<meminfo>\n<meminfo_header>\n");
+ seq_printf( sfile,
+ "<watermark key=\"mr0\" description=\"kmalloc_current\" bytes=\"%d\"/>\n",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_KMALLOC]);
+ seq_printf( sfile,
+ "<watermark key=\"mr1\" description=\"kmalloc_high\" bytes=\"%d\"/>\n",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_KMALLOC]);
+ seq_printf( sfile,
+ "<watermark key=\"mr2\" description=\"vmalloc_current\" bytes=\"%d\"/>\n",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_VMALLOC]);
+ seq_printf( sfile,
+ "<watermark key=\"mr3\" description=\"vmalloc_high\" bytes=\"%d\"/>\n",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_VMALLOC]);
+ seq_printf( sfile,
+ "<watermark key=\"mr4\" description=\"alloc_pages_current\" bytes=\"%d\"/>\n",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES]);
+ seq_printf( sfile,
+ "<watermark key=\"mr5\" description=\"alloc_pages_high\" bytes=\"%d\"/>\n",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_ALLOC_PAGES]);
+ seq_printf( sfile,
+ "<watermark key=\"mr6\" description=\"ioremap_current\" bytes=\"%d\"/>\n",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_IOREMAP]);
+ seq_printf( sfile,
+ "<watermark key=\"mr7\" description=\"ioremap_high\" bytes=\"%d\"/>\n",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_IOREMAP]);
+ seq_printf( sfile,
+ "<watermark key=\"mr8\" description=\"io_current\" bytes=\"%d\"/>\n",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_IO]);
+ seq_printf( sfile,
+ "<watermark key=\"mr9\" description=\"io_high\" bytes=\"%d\"/>\n",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_IO]);
+ seq_printf( sfile,
+ "<watermark key=\"mr10\" description=\"kmem_cache_current\" bytes=\"%d\"/>\n",
+ g_WaterMarkData[DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE]);
+ seq_printf( sfile,
+ "<watermark key=\"mr11\" description=\"kmem_cache_high\" bytes=\"%d\"/>\n",
+ g_HighWaterMarkData[DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE]);
+ seq_printf( sfile,"\n" );
+
+ seq_printf( sfile,
+ "<watermark key=\"mr14\" description=\"system_ram_current\" bytes=\"%d\"/>\n",
+ g_SysRAMWaterMark);
+ seq_printf( sfile,
+ "<watermark key=\"mr15\" description=\"system_ram_high\" bytes=\"%d\"/>\n",
+ g_SysRAMHighWaterMark);
+ seq_printf( sfile,
+ "<watermark key=\"mr16\" description=\"system_io_current\" bytes=\"%d\"/>\n",
+ g_IOMemWaterMark);
+ seq_printf( sfile,
+ "<watermark key=\"mr17\" description=\"system_io_high\" bytes=\"%d\"/>\n",
+ g_IOMemHighWaterMark);
+
+ seq_printf( sfile, "</meminfo_header>\n");
+
+#endif
+ return;
+ }
+
+ if(psRecord->eAllocType != DEBUG_MEM_ALLOC_TYPE_KMEM_CACHE)
+ {
+ seq_printf( sfile,
+#if !defined(DEBUG_LINUX_XML_PROC_FILES)
+ "%-16s %-8p %08x %-10d %-5d %-10s %s:%d\n",
+#else
+ "<allocation>\n"
+ "\t<type>%s</type>\n"
+ "\t<cpu_virtual>%-8p</cpu_virtual>\n"
+ "\t<cpu_physical>%08x</cpu_physical>\n"
+ "\t<bytes>%d</bytes>\n"
+ "\t<pid>%d</pid>\n"
+ "\t<private>%s</private>\n"
+ "\t<filename>%s</filename>\n"
+ "\t<line>%d</line>\n"
+ "</allocation>\n",
+#endif
+ DebugMemAllocRecordTypeToString(psRecord->eAllocType),
+ psRecord->pvCpuVAddr,
+ psRecord->ulCpuPAddr,
+ psRecord->ui32Bytes,
+ psRecord->pid,
+ "NULL",
+ psRecord->pszFileName,
+ psRecord->ui32Line);
+ }
+ else
+ {
+ seq_printf( sfile,
+#if !defined(DEBUG_LINUX_XML_PROC_FILES)
+ "%-16s %-8p %08x %-10d %-5d %-10s %s:%d\n",
+#else
+ "<allocation>\n"
+ "\t<type>%s</type>\n"
+ "\t<cpu_virtual>%-8p</cpu_virtual>\n"
+ "\t<cpu_physical>%08x</cpu_physical>\n"
+ "\t<bytes>%d</bytes>\n"
+ "\t<pid>%d</pid>\n"
+ "\t<private>%s</private>\n"
+ "\t<filename>%s</filename>\n"
+ "\t<line>%d</line>\n"
+ "</allocation>\n",
+#endif
+ DebugMemAllocRecordTypeToString(psRecord->eAllocType),
+ psRecord->pvCpuVAddr,
+ psRecord->ulCpuPAddr,
+ psRecord->ui32Bytes,
+ psRecord->pid,
+ KMemCacheNameWrapper(psRecord->pvPrivateData),
+ psRecord->pszFileName,
+ psRecord->ui32Line);
+ }
+}
+
+#endif
+
+
+#if defined(DEBUG_LINUX_MEM_AREAS) || defined(DEBUG_LINUX_MMAP_AREAS)
+const IMG_CHAR *
+HAPFlagsToString(IMG_UINT32 ui32Flags)
+{
+ static IMG_CHAR szFlags[50];
+ IMG_INT32 i32Pos = 0;
+ IMG_UINT32 ui32CacheTypeIndex, ui32MapTypeIndex;
+ IMG_CHAR *apszCacheTypes[] = {
+ "UNCACHED",
+ "CACHED",
+ "WRITECOMBINE",
+ "UNKNOWN"
+ };
+ IMG_CHAR *apszMapType[] = {
+ "KERNEL_ONLY",
+ "SINGLE_PROCESS",
+ "MULTI_PROCESS",
+ "FROM_EXISTING_PROCESS",
+ "NO_CPU_VIRTUAL",
+ "UNKNOWN"
+ };
+
+
+ if(ui32Flags & PVRSRV_HAP_UNCACHED){
+ ui32CacheTypeIndex=0;
+ }else if(ui32Flags & PVRSRV_HAP_CACHED){
+ ui32CacheTypeIndex=1;
+ }else if(ui32Flags & PVRSRV_HAP_WRITECOMBINE){
+ ui32CacheTypeIndex=2;
+ }else{
+ ui32CacheTypeIndex=3;
+ PVR_DPF((PVR_DBG_ERROR, "%s: unknown cache type (%u)",
+ __FUNCTION__, (ui32Flags & PVRSRV_HAP_CACHETYPE_MASK)));
+ }
+
+
+ if(ui32Flags & PVRSRV_HAP_KERNEL_ONLY){
+ ui32MapTypeIndex = 0;
+ }else if(ui32Flags & PVRSRV_HAP_SINGLE_PROCESS){
+ ui32MapTypeIndex = 1;
+ }else if(ui32Flags & PVRSRV_HAP_MULTI_PROCESS){
+ ui32MapTypeIndex = 2;
+ }else if(ui32Flags & PVRSRV_HAP_FROM_EXISTING_PROCESS){
+ ui32MapTypeIndex = 3;
+ }else if(ui32Flags & PVRSRV_HAP_NO_CPU_VIRTUAL){
+ ui32MapTypeIndex = 4;
+ }else{
+ ui32MapTypeIndex = 5;
+ PVR_DPF((PVR_DBG_ERROR, "%s: unknown map type (%u)",
+ __FUNCTION__, (ui32Flags & PVRSRV_HAP_MAPTYPE_MASK)));
+ }
+
+ i32Pos = sprintf(szFlags, "%s|", apszCacheTypes[ui32CacheTypeIndex]);
+ if (i32Pos <= 0)
+ {
+ PVR_DPF((PVR_DBG_ERROR, "%s: sprintf for cache type %u failed (%d)",
+ __FUNCTION__, ui32CacheTypeIndex, i32Pos));
+ szFlags[0] = 0;
+ }
+ else
+ {
+ sprintf(szFlags + i32Pos, "%s", apszMapType[ui32MapTypeIndex]);
+ }
+
+ return szFlags;
+}
+#endif
+