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Diffstat (limited to 'drivers/staging/cdv/pvr/services4/srvkm/common/ra.c')
-rw-r--r--drivers/staging/cdv/pvr/services4/srvkm/common/ra.c1725
1 files changed, 1725 insertions, 0 deletions
diff --git a/drivers/staging/cdv/pvr/services4/srvkm/common/ra.c b/drivers/staging/cdv/pvr/services4/srvkm/common/ra.c
new file mode 100644
index 000000000000..e93f05fdad4a
--- /dev/null
+++ b/drivers/staging/cdv/pvr/services4/srvkm/common/ra.c
@@ -0,0 +1,1725 @@
+/**********************************************************************
+ *
+ * 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 "services_headers.h"
+#include "hash.h"
+#include "ra.h"
+#include "buffer_manager.h"
+#include "osfunc.h"
+
+#ifdef __linux__
+#include <linux/kernel.h>
+#include "proc.h"
+#endif
+
+#ifdef USE_BM_FREESPACE_CHECK
+#include <stdio.h>
+#endif
+
+#define MINIMUM_HASH_SIZE (64)
+
+#if defined(VALIDATE_ARENA_TEST)
+
+typedef enum RESOURCE_DESCRIPTOR_TAG {
+
+ RESOURCE_SPAN_LIVE = 10,
+ RESOURCE_SPAN_FREE,
+ IMPORTED_RESOURCE_SPAN_START,
+ IMPORTED_RESOURCE_SPAN_LIVE,
+ IMPORTED_RESOURCE_SPAN_FREE,
+ IMPORTED_RESOURCE_SPAN_END,
+
+} RESOURCE_DESCRIPTOR;
+
+typedef enum RESOURCE_TYPE_TAG {
+
+ IMPORTED_RESOURCE_TYPE = 20,
+ NON_IMPORTED_RESOURCE_TYPE
+
+} RESOURCE_TYPE;
+
+
+static IMG_UINT32 ui32BoundaryTagID = 0;
+
+IMG_UINT32 ValidateArena(RA_ARENA *pArena);
+#endif
+
+struct _BT_
+{
+ enum bt_type
+ {
+ btt_span,
+ btt_free,
+ btt_live
+ } type;
+
+
+ IMG_UINTPTR_T base;
+ IMG_SIZE_T uSize;
+
+
+ struct _BT_ *pNextSegment;
+ struct _BT_ *pPrevSegment;
+
+ struct _BT_ *pNextFree;
+ struct _BT_ *pPrevFree;
+
+ BM_MAPPING *psMapping;
+
+#if defined(VALIDATE_ARENA_TEST)
+ RESOURCE_DESCRIPTOR eResourceSpan;
+ RESOURCE_TYPE eResourceType;
+
+
+ IMG_UINT32 ui32BoundaryTagID;
+#endif
+
+};
+typedef struct _BT_ BT;
+
+
+struct _RA_ARENA_
+{
+
+ IMG_CHAR *name;
+
+
+ IMG_SIZE_T uQuantum;
+
+
+ IMG_BOOL (*pImportAlloc)(IMG_VOID *,
+ IMG_SIZE_T uSize,
+ IMG_SIZE_T *pActualSize,
+ BM_MAPPING **ppsMapping,
+ IMG_UINT32 uFlags,
+ IMG_UINTPTR_T *pBase);
+ IMG_VOID (*pImportFree) (IMG_VOID *,
+ IMG_UINTPTR_T,
+ BM_MAPPING *psMapping);
+ IMG_VOID (*pBackingStoreFree) (IMG_VOID *, IMG_SIZE_T, IMG_SIZE_T, IMG_HANDLE);
+
+
+ IMG_VOID *pImportHandle;
+
+
+#define FREE_TABLE_LIMIT 32
+
+
+ BT *aHeadFree [FREE_TABLE_LIMIT];
+
+
+ BT *pHeadSegment;
+ BT *pTailSegment;
+
+
+ HASH_TABLE *pSegmentHash;
+
+#ifdef RA_STATS
+ RA_STATISTICS sStatistics;
+#endif
+
+#if defined(CONFIG_PROC_FS) && defined(DEBUG)
+#define PROC_NAME_SIZE 64
+
+ struct proc_dir_entry* pProcInfo;
+ struct proc_dir_entry* pProcSegs;
+
+ IMG_BOOL bInitProcEntry;
+#endif
+};
+#if defined(ENABLE_RA_DUMP)
+IMG_VOID RA_Dump (RA_ARENA *pArena);
+#endif
+
+#if defined(CONFIG_PROC_FS) && defined(DEBUG)
+
+static void RA_ProcSeqShowInfo(struct seq_file *sfile, void* el);
+static void* RA_ProcSeqOff2ElementInfo(struct seq_file * sfile, loff_t off);
+
+static void RA_ProcSeqShowRegs(struct seq_file *sfile, void* el);
+static void* RA_ProcSeqOff2ElementRegs(struct seq_file * sfile, loff_t off);
+
+#endif
+
+#ifdef USE_BM_FREESPACE_CHECK
+IMG_VOID CheckBMFreespace(IMG_VOID);
+#endif
+
+#if defined(CONFIG_PROC_FS) && defined(DEBUG)
+static IMG_CHAR *ReplaceSpaces(IMG_CHAR * const pS)
+{
+ IMG_CHAR *pT;
+
+ for(pT = pS; *pT != 0; pT++)
+ {
+ if (*pT == ' ' || *pT == '\t')
+ {
+ *pT = '_';
+ }
+ }
+
+ return pS;
+}
+#endif
+
+static IMG_BOOL
+_RequestAllocFail (IMG_VOID *_h,
+ IMG_SIZE_T _uSize,
+ IMG_SIZE_T *_pActualSize,
+ BM_MAPPING **_ppsMapping,
+ IMG_UINT32 _uFlags,
+ IMG_UINTPTR_T *_pBase)
+{
+ PVR_UNREFERENCED_PARAMETER (_h);
+ PVR_UNREFERENCED_PARAMETER (_uSize);
+ PVR_UNREFERENCED_PARAMETER (_pActualSize);
+ PVR_UNREFERENCED_PARAMETER (_ppsMapping);
+ PVR_UNREFERENCED_PARAMETER (_uFlags);
+ PVR_UNREFERENCED_PARAMETER (_pBase);
+
+ return IMG_FALSE;
+}
+
+static IMG_UINT32
+pvr_log2 (IMG_SIZE_T n)
+{
+ IMG_UINT32 l = 0;
+ n>>=1;
+ while (n>0)
+ {
+ n>>=1;
+ l++;
+ }
+ return l;
+}
+
+static PVRSRV_ERROR
+_SegmentListInsertAfter (RA_ARENA *pArena,
+ BT *pInsertionPoint,
+ BT *pBT)
+{
+ PVR_ASSERT (pArena != IMG_NULL);
+ PVR_ASSERT (pInsertionPoint != IMG_NULL);
+
+ if ((pInsertionPoint == IMG_NULL) || (pArena == IMG_NULL))
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_SegmentListInsertAfter: invalid parameters"));
+ return PVRSRV_ERROR_INVALID_PARAMS;
+ }
+
+ pBT->pNextSegment = pInsertionPoint->pNextSegment;
+ pBT->pPrevSegment = pInsertionPoint;
+ if (pInsertionPoint->pNextSegment == IMG_NULL)
+ pArena->pTailSegment = pBT;
+ else
+ pInsertionPoint->pNextSegment->pPrevSegment = pBT;
+ pInsertionPoint->pNextSegment = pBT;
+
+ return PVRSRV_OK;
+}
+
+static PVRSRV_ERROR
+_SegmentListInsert (RA_ARENA *pArena, BT *pBT)
+{
+ PVRSRV_ERROR eError = PVRSRV_OK;
+
+
+ if (pArena->pHeadSegment == IMG_NULL)
+ {
+ pArena->pHeadSegment = pArena->pTailSegment = pBT;
+ pBT->pNextSegment = pBT->pPrevSegment = IMG_NULL;
+ }
+ else
+ {
+ BT *pBTScan;
+
+ if (pBT->base < pArena->pHeadSegment->base)
+ {
+
+ pBT->pNextSegment = pArena->pHeadSegment;
+ pArena->pHeadSegment->pPrevSegment = pBT;
+ pArena->pHeadSegment = pBT;
+ pBT->pPrevSegment = IMG_NULL;
+ }
+ else
+ {
+
+
+
+
+ pBTScan = pArena->pHeadSegment;
+
+ while ((pBTScan->pNextSegment != IMG_NULL) && (pBT->base >= pBTScan->pNextSegment->base))
+ {
+ pBTScan = pBTScan->pNextSegment;
+ }
+
+ eError = _SegmentListInsertAfter (pArena, pBTScan, pBT);
+ if (eError != PVRSRV_OK)
+ {
+ return eError;
+ }
+ }
+ }
+ return eError;
+}
+
+static IMG_VOID
+_SegmentListRemove (RA_ARENA *pArena, BT *pBT)
+{
+ if (pBT->pPrevSegment == IMG_NULL)
+ pArena->pHeadSegment = pBT->pNextSegment;
+ else
+ pBT->pPrevSegment->pNextSegment = pBT->pNextSegment;
+
+ if (pBT->pNextSegment == IMG_NULL)
+ pArena->pTailSegment = pBT->pPrevSegment;
+ else
+ pBT->pNextSegment->pPrevSegment = pBT->pPrevSegment;
+}
+
+static BT *
+_SegmentSplit (RA_ARENA *pArena, BT *pBT, IMG_SIZE_T uSize)
+{
+ BT *pNeighbour;
+
+ PVR_ASSERT (pArena != IMG_NULL);
+
+ if (pArena == IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_SegmentSplit: invalid parameter - pArena"));
+ return IMG_NULL;
+ }
+
+ if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP,
+ sizeof(BT),
+ (IMG_VOID **)&pNeighbour, IMG_NULL,
+ "Boundary Tag") != PVRSRV_OK)
+ {
+ return IMG_NULL;
+ }
+
+ OSMemSet(pNeighbour, 0, sizeof(BT));
+
+#if defined(VALIDATE_ARENA_TEST)
+ pNeighbour->ui32BoundaryTagID = ++ui32BoundaryTagID;
+#endif
+
+ pNeighbour->pPrevSegment = pBT;
+ pNeighbour->pNextSegment = pBT->pNextSegment;
+ if (pBT->pNextSegment == IMG_NULL)
+ pArena->pTailSegment = pNeighbour;
+ else
+ pBT->pNextSegment->pPrevSegment = pNeighbour;
+ pBT->pNextSegment = pNeighbour;
+
+ pNeighbour->type = btt_free;
+ pNeighbour->uSize = pBT->uSize - uSize;
+ pNeighbour->base = pBT->base + uSize;
+ pNeighbour->psMapping = pBT->psMapping;
+ pBT->uSize = uSize;
+
+#if defined(VALIDATE_ARENA_TEST)
+ if (pNeighbour->pPrevSegment->eResourceType == IMPORTED_RESOURCE_TYPE)
+ {
+ pNeighbour->eResourceType = IMPORTED_RESOURCE_TYPE;
+ pNeighbour->eResourceSpan = IMPORTED_RESOURCE_SPAN_FREE;
+ }
+ else if (pNeighbour->pPrevSegment->eResourceType == NON_IMPORTED_RESOURCE_TYPE)
+ {
+ pNeighbour->eResourceType = NON_IMPORTED_RESOURCE_TYPE;
+ pNeighbour->eResourceSpan = RESOURCE_SPAN_FREE;
+ }
+ else
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_SegmentSplit: pNeighbour->pPrevSegment->eResourceType unrecognized"));
+ PVR_DBG_BREAK;
+ }
+#endif
+
+ return pNeighbour;
+}
+
+static IMG_VOID
+_FreeListInsert (RA_ARENA *pArena, BT *pBT)
+{
+ IMG_UINT32 uIndex;
+ uIndex = pvr_log2 (pBT->uSize);
+ pBT->type = btt_free;
+ pBT->pNextFree = pArena->aHeadFree [uIndex];
+ pBT->pPrevFree = IMG_NULL;
+ if (pArena->aHeadFree[uIndex] != IMG_NULL)
+ pArena->aHeadFree[uIndex]->pPrevFree = pBT;
+ pArena->aHeadFree [uIndex] = pBT;
+}
+
+static IMG_VOID
+_FreeListRemove (RA_ARENA *pArena, BT *pBT)
+{
+ IMG_UINT32 uIndex;
+ uIndex = pvr_log2 (pBT->uSize);
+ if (pBT->pNextFree != IMG_NULL)
+ pBT->pNextFree->pPrevFree = pBT->pPrevFree;
+ if (pBT->pPrevFree == IMG_NULL)
+ pArena->aHeadFree[uIndex] = pBT->pNextFree;
+ else
+ pBT->pPrevFree->pNextFree = pBT->pNextFree;
+}
+
+static BT *
+_BuildSpanMarker (IMG_UINTPTR_T base, IMG_SIZE_T uSize)
+{
+ BT *pBT;
+
+ if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP,
+ sizeof(BT),
+ (IMG_VOID **)&pBT, IMG_NULL,
+ "Boundary Tag") != PVRSRV_OK)
+ {
+ return IMG_NULL;
+ }
+
+ OSMemSet(pBT, 0, sizeof(BT));
+
+#if defined(VALIDATE_ARENA_TEST)
+ pBT->ui32BoundaryTagID = ++ui32BoundaryTagID;
+#endif
+
+ pBT->type = btt_span;
+ pBT->base = base;
+ pBT->uSize = uSize;
+ pBT->psMapping = IMG_NULL;
+
+ return pBT;
+}
+
+static BT *
+_BuildBT (IMG_UINTPTR_T base, IMG_SIZE_T uSize)
+{
+ BT *pBT;
+
+ if(OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP,
+ sizeof(BT),
+ (IMG_VOID **)&pBT, IMG_NULL,
+ "Boundary Tag") != PVRSRV_OK)
+ {
+ return IMG_NULL;
+ }
+
+ OSMemSet(pBT, 0, sizeof(BT));
+
+#if defined(VALIDATE_ARENA_TEST)
+ pBT->ui32BoundaryTagID = ++ui32BoundaryTagID;
+#endif
+
+ pBT->type = btt_free;
+ pBT->base = base;
+ pBT->uSize = uSize;
+
+ return pBT;
+}
+
+static BT *
+_InsertResource (RA_ARENA *pArena, IMG_UINTPTR_T base, IMG_SIZE_T uSize)
+{
+ BT *pBT;
+ PVR_ASSERT (pArena!=IMG_NULL);
+ if (pArena == IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_InsertResource: invalid parameter - pArena"));
+ return IMG_NULL;
+ }
+
+ pBT = _BuildBT (base, uSize);
+ if (pBT != IMG_NULL)
+ {
+
+#if defined(VALIDATE_ARENA_TEST)
+ pBT->eResourceSpan = RESOURCE_SPAN_FREE;
+ pBT->eResourceType = NON_IMPORTED_RESOURCE_TYPE;
+#endif
+
+ if (_SegmentListInsert (pArena, pBT) != PVRSRV_OK)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_InsertResource: call to _SegmentListInsert failed"));
+ return IMG_NULL;
+ }
+ _FreeListInsert (pArena, pBT);
+#ifdef RA_STATS
+ pArena->sStatistics.uTotalResourceCount+=uSize;
+ pArena->sStatistics.uFreeResourceCount+=uSize;
+ pArena->sStatistics.uSpanCount++;
+#endif
+ }
+ return pBT;
+}
+
+static BT *
+_InsertResourceSpan (RA_ARENA *pArena, IMG_UINTPTR_T base, IMG_SIZE_T uSize)
+{
+ PVRSRV_ERROR eError;
+ BT *pSpanStart;
+ BT *pSpanEnd;
+ BT *pBT;
+
+ PVR_ASSERT (pArena != IMG_NULL);
+ if (pArena == IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_InsertResourceSpan: invalid parameter - pArena"));
+ return IMG_NULL;
+ }
+
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_InsertResourceSpan: arena='%s', base=0x%x, size=0x%x",
+ pArena->name, base, uSize));
+
+ pSpanStart = _BuildSpanMarker (base, uSize);
+ if (pSpanStart == IMG_NULL)
+ {
+ goto fail_start;
+ }
+
+#if defined(VALIDATE_ARENA_TEST)
+ pSpanStart->eResourceSpan = IMPORTED_RESOURCE_SPAN_START;
+ pSpanStart->eResourceType = IMPORTED_RESOURCE_TYPE;
+#endif
+
+ pSpanEnd = _BuildSpanMarker (base + uSize, 0);
+ if (pSpanEnd == IMG_NULL)
+ {
+ goto fail_end;
+ }
+
+#if defined(VALIDATE_ARENA_TEST)
+ pSpanEnd->eResourceSpan = IMPORTED_RESOURCE_SPAN_END;
+ pSpanEnd->eResourceType = IMPORTED_RESOURCE_TYPE;
+#endif
+
+ pBT = _BuildBT (base, uSize);
+ if (pBT == IMG_NULL)
+ {
+ goto fail_bt;
+ }
+
+#if defined(VALIDATE_ARENA_TEST)
+ pBT->eResourceSpan = IMPORTED_RESOURCE_SPAN_FREE;
+ pBT->eResourceType = IMPORTED_RESOURCE_TYPE;
+#endif
+
+ eError = _SegmentListInsert (pArena, pSpanStart);
+ if (eError != PVRSRV_OK)
+ {
+ goto fail_SegListInsert;
+ }
+
+ eError = _SegmentListInsertAfter (pArena, pSpanStart, pBT);
+ if (eError != PVRSRV_OK)
+ {
+ goto fail_SegListInsert;
+ }
+
+ _FreeListInsert (pArena, pBT);
+
+ eError = _SegmentListInsertAfter (pArena, pBT, pSpanEnd);
+ if (eError != PVRSRV_OK)
+ {
+ goto fail_SegListInsert;
+ }
+
+#ifdef RA_STATS
+ pArena->sStatistics.uTotalResourceCount+=uSize;
+#endif
+ return pBT;
+
+ fail_SegListInsert:
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), pBT, IMG_NULL);
+
+ fail_bt:
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), pSpanEnd, IMG_NULL);
+
+ fail_end:
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), pSpanStart, IMG_NULL);
+
+ fail_start:
+ return IMG_NULL;
+}
+
+static IMG_VOID
+_FreeBT (RA_ARENA *pArena, BT *pBT, IMG_BOOL bFreeBackingStore)
+{
+ BT *pNeighbour;
+ IMG_UINTPTR_T uOrigBase;
+ IMG_SIZE_T uOrigSize;
+
+ PVR_ASSERT (pArena!=IMG_NULL);
+ PVR_ASSERT (pBT!=IMG_NULL);
+
+ if ((pArena == IMG_NULL) || (pBT == IMG_NULL))
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_FreeBT: invalid parameter"));
+ return;
+ }
+
+#ifdef RA_STATS
+ pArena->sStatistics.uLiveSegmentCount--;
+ pArena->sStatistics.uFreeSegmentCount++;
+ pArena->sStatistics.uFreeResourceCount+=pBT->uSize;
+#endif
+
+ uOrigBase = pBT->base;
+ uOrigSize = pBT->uSize;
+
+
+ pNeighbour = pBT->pPrevSegment;
+ if (pNeighbour!=IMG_NULL
+ && pNeighbour->type == btt_free
+ && pNeighbour->base + pNeighbour->uSize == pBT->base)
+ {
+ _FreeListRemove (pArena, pNeighbour);
+ _SegmentListRemove (pArena, pNeighbour);
+ pBT->base = pNeighbour->base;
+ pBT->uSize += pNeighbour->uSize;
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), pNeighbour, IMG_NULL);
+
+#ifdef RA_STATS
+ pArena->sStatistics.uFreeSegmentCount--;
+#endif
+ }
+
+
+ pNeighbour = pBT->pNextSegment;
+ if (pNeighbour!=IMG_NULL
+ && pNeighbour->type == btt_free
+ && pBT->base + pBT->uSize == pNeighbour->base)
+ {
+ _FreeListRemove (pArena, pNeighbour);
+ _SegmentListRemove (pArena, pNeighbour);
+ pBT->uSize += pNeighbour->uSize;
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), pNeighbour, IMG_NULL);
+
+#ifdef RA_STATS
+ pArena->sStatistics.uFreeSegmentCount--;
+#endif
+ }
+
+
+ if (pArena->pBackingStoreFree != IMG_NULL && bFreeBackingStore)
+ {
+ IMG_UINTPTR_T uRoundedStart, uRoundedEnd;
+
+
+ uRoundedStart = (uOrigBase / pArena->uQuantum) * pArena->uQuantum;
+
+ if (uRoundedStart < pBT->base)
+ {
+ uRoundedStart += pArena->uQuantum;
+ }
+
+
+ uRoundedEnd = ((uOrigBase + uOrigSize + pArena->uQuantum - 1) / pArena->uQuantum) * pArena->uQuantum;
+
+ if (uRoundedEnd > (pBT->base + pBT->uSize))
+ {
+ uRoundedEnd -= pArena->uQuantum;
+ }
+
+ if (uRoundedStart < uRoundedEnd)
+ {
+ pArena->pBackingStoreFree(pArena->pImportHandle, (IMG_SIZE_T)uRoundedStart, (IMG_SIZE_T)uRoundedEnd, (IMG_HANDLE)0);
+ }
+ }
+
+ if (pBT->pNextSegment!=IMG_NULL && pBT->pNextSegment->type == btt_span
+ && pBT->pPrevSegment!=IMG_NULL && pBT->pPrevSegment->type == btt_span)
+ {
+ BT *next = pBT->pNextSegment;
+ BT *prev = pBT->pPrevSegment;
+ _SegmentListRemove (pArena, next);
+ _SegmentListRemove (pArena, prev);
+ _SegmentListRemove (pArena, pBT);
+ pArena->pImportFree (pArena->pImportHandle, pBT->base, pBT->psMapping);
+#ifdef RA_STATS
+ pArena->sStatistics.uSpanCount--;
+ pArena->sStatistics.uExportCount++;
+ pArena->sStatistics.uFreeSegmentCount--;
+ pArena->sStatistics.uFreeResourceCount-=pBT->uSize;
+ pArena->sStatistics.uTotalResourceCount-=pBT->uSize;
+#endif
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), next, IMG_NULL);
+
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), prev, IMG_NULL);
+
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), pBT, IMG_NULL);
+
+ }
+ else
+ _FreeListInsert (pArena, pBT);
+}
+
+
+static IMG_BOOL
+_AttemptAllocAligned (RA_ARENA *pArena,
+ IMG_SIZE_T uSize,
+ BM_MAPPING **ppsMapping,
+ IMG_UINT32 uFlags,
+ IMG_UINT32 uAlignment,
+ IMG_UINT32 uAlignmentOffset,
+ IMG_UINTPTR_T *base)
+{
+ IMG_UINT32 uIndex;
+ PVR_ASSERT (pArena!=IMG_NULL);
+ if (pArena == IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_AttemptAllocAligned: invalid parameter - pArena"));
+ return IMG_FALSE;
+ }
+
+ if (uAlignment>1)
+ uAlignmentOffset %= uAlignment;
+
+
+
+ uIndex = pvr_log2 (uSize);
+
+#if 0
+
+ if (1u<<uIndex < uSize)
+ uIndex++;
+#endif
+
+ while (uIndex < FREE_TABLE_LIMIT && pArena->aHeadFree[uIndex]==IMG_NULL)
+ uIndex++;
+
+ while (uIndex < FREE_TABLE_LIMIT)
+ {
+ if (pArena->aHeadFree[uIndex]!=IMG_NULL)
+ {
+
+ BT *pBT;
+
+ pBT = pArena->aHeadFree [uIndex];
+ while (pBT!=IMG_NULL)
+ {
+ IMG_UINTPTR_T aligned_base;
+
+ if (uAlignment>1)
+ aligned_base = (pBT->base + uAlignmentOffset + uAlignment - 1) / uAlignment * uAlignment - uAlignmentOffset;
+ else
+ aligned_base = pBT->base;
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_AttemptAllocAligned: pBT-base=0x%x "
+ "pBT-size=0x%x alignedbase=0x%x size=0x%x",
+ pBT->base, pBT->uSize, aligned_base, uSize));
+
+ if (pBT->base + pBT->uSize >= aligned_base + uSize)
+ {
+ if(!pBT->psMapping || pBT->psMapping->ui32Flags == uFlags)
+ {
+ _FreeListRemove (pArena, pBT);
+
+ PVR_ASSERT (pBT->type == btt_free);
+
+#ifdef RA_STATS
+ pArena->sStatistics.uLiveSegmentCount++;
+ pArena->sStatistics.uFreeSegmentCount--;
+ pArena->sStatistics.uFreeResourceCount-=pBT->uSize;
+#endif
+
+
+ if (aligned_base > pBT->base)
+ {
+ BT *pNeighbour;
+ pNeighbour = _SegmentSplit (pArena, pBT, (IMG_SIZE_T)(aligned_base - pBT->base));
+
+ if (pNeighbour==IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_AttemptAllocAligned: Front split failed"));
+
+ _FreeListInsert (pArena, pBT);
+ return IMG_FALSE;
+ }
+
+ _FreeListInsert (pArena, pBT);
+ #ifdef RA_STATS
+ pArena->sStatistics.uFreeSegmentCount++;
+ pArena->sStatistics.uFreeResourceCount+=pBT->uSize;
+ #endif
+ pBT = pNeighbour;
+ }
+
+
+ if (pBT->uSize > uSize)
+ {
+ BT *pNeighbour;
+ pNeighbour = _SegmentSplit (pArena, pBT, uSize);
+
+ if (pNeighbour==IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_AttemptAllocAligned: Back split failed"));
+
+ _FreeListInsert (pArena, pBT);
+ return IMG_FALSE;
+ }
+
+ _FreeListInsert (pArena, pNeighbour);
+ #ifdef RA_STATS
+ pArena->sStatistics.uFreeSegmentCount++;
+ pArena->sStatistics.uFreeResourceCount+=pNeighbour->uSize;
+ #endif
+ }
+
+ pBT->type = btt_live;
+
+#if defined(VALIDATE_ARENA_TEST)
+ if (pBT->eResourceType == IMPORTED_RESOURCE_TYPE)
+ {
+ pBT->eResourceSpan = IMPORTED_RESOURCE_SPAN_LIVE;
+ }
+ else if (pBT->eResourceType == NON_IMPORTED_RESOURCE_TYPE)
+ {
+ pBT->eResourceSpan = RESOURCE_SPAN_LIVE;
+ }
+ else
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"_AttemptAllocAligned ERROR: pBT->eResourceType unrecognized"));
+ PVR_DBG_BREAK;
+ }
+#endif
+ if (!HASH_Insert (pArena->pSegmentHash, pBT->base, (IMG_UINTPTR_T) pBT))
+ {
+ _FreeBT (pArena, pBT, IMG_FALSE);
+ return IMG_FALSE;
+ }
+
+ if (ppsMapping!=IMG_NULL)
+ *ppsMapping = pBT->psMapping;
+
+ *base = pBT->base;
+
+ return IMG_TRUE;
+ }
+ else
+ {
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "AttemptAllocAligned: mismatch in flags. Import has %x, request was %x", pBT->psMapping->ui32Flags, uFlags));
+
+ }
+ }
+ pBT = pBT->pNextFree;
+ }
+
+ }
+ uIndex++;
+ }
+
+ return IMG_FALSE;
+}
+
+
+
+RA_ARENA *
+RA_Create (IMG_CHAR *name,
+ IMG_UINTPTR_T base,
+ IMG_SIZE_T uSize,
+ BM_MAPPING *psMapping,
+ IMG_SIZE_T uQuantum,
+ IMG_BOOL (*imp_alloc)(IMG_VOID *, IMG_SIZE_T uSize, IMG_SIZE_T *pActualSize,
+ BM_MAPPING **ppsMapping, IMG_UINT32 _flags, IMG_UINTPTR_T *pBase),
+ IMG_VOID (*imp_free) (IMG_VOID *, IMG_UINTPTR_T, BM_MAPPING *),
+ IMG_VOID (*backingstore_free) (IMG_VOID*, IMG_SIZE_T, IMG_SIZE_T, IMG_HANDLE),
+ IMG_VOID *pImportHandle)
+{
+ RA_ARENA *pArena;
+ BT *pBT;
+ IMG_INT i;
+
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_Create: name='%s', base=0x%x, uSize=0x%x, alloc=0x%x, free=0x%x",
+ name, base, uSize, (IMG_UINTPTR_T)imp_alloc, (IMG_UINTPTR_T)imp_free));
+
+
+ if (OSAllocMem(PVRSRV_OS_PAGEABLE_HEAP,
+ sizeof (*pArena),
+ (IMG_VOID **)&pArena, IMG_NULL,
+ "Resource Arena") != PVRSRV_OK)
+ {
+ goto arena_fail;
+ }
+
+ pArena->name = name;
+ pArena->pImportAlloc = (imp_alloc!=IMG_NULL) ? imp_alloc : &_RequestAllocFail;
+ pArena->pImportFree = imp_free;
+ pArena->pBackingStoreFree = backingstore_free;
+ pArena->pImportHandle = pImportHandle;
+ for (i=0; i<FREE_TABLE_LIMIT; i++)
+ pArena->aHeadFree[i] = IMG_NULL;
+ pArena->pHeadSegment = IMG_NULL;
+ pArena->pTailSegment = IMG_NULL;
+ pArena->uQuantum = uQuantum;
+
+#ifdef RA_STATS
+ pArena->sStatistics.uSpanCount = 0;
+ pArena->sStatistics.uLiveSegmentCount = 0;
+ pArena->sStatistics.uFreeSegmentCount = 0;
+ pArena->sStatistics.uFreeResourceCount = 0;
+ pArena->sStatistics.uTotalResourceCount = 0;
+ pArena->sStatistics.uCumulativeAllocs = 0;
+ pArena->sStatistics.uCumulativeFrees = 0;
+ pArena->sStatistics.uImportCount = 0;
+ pArena->sStatistics.uExportCount = 0;
+#endif
+
+#if defined(CONFIG_PROC_FS) && defined(DEBUG)
+ if(strcmp(pArena->name,"") != 0)
+ {
+ IMG_INT ret;
+ IMG_CHAR szProcInfoName[PROC_NAME_SIZE];
+ IMG_CHAR szProcSegsName[PROC_NAME_SIZE];
+ struct proc_dir_entry* (*pfnCreateProcEntrySeq)(const IMG_CHAR *,
+ IMG_VOID*,
+ pvr_next_proc_seq_t,
+ pvr_show_proc_seq_t,
+ pvr_off2element_proc_seq_t,
+ pvr_startstop_proc_seq_t,
+ write_proc_t);
+
+ pArena->bInitProcEntry = !PVRSRVGetInitServerState(PVRSRV_INIT_SERVER_SUCCESSFUL);
+
+
+ pfnCreateProcEntrySeq = pArena->bInitProcEntry ? CreateProcEntrySeq : CreatePerProcessProcEntrySeq;
+
+ ret = snprintf(szProcInfoName, sizeof(szProcInfoName), "ra_info_%s", pArena->name);
+ if (ret > 0 && ret < sizeof(szProcInfoName))
+ {
+ pArena->pProcInfo = pfnCreateProcEntrySeq(ReplaceSpaces(szProcInfoName), pArena, NULL,
+ RA_ProcSeqShowInfo, RA_ProcSeqOff2ElementInfo, NULL, NULL);
+ }
+ else
+ {
+ pArena->pProcInfo = 0;
+ PVR_DPF((PVR_DBG_ERROR, "RA_Create: couldn't create ra_info proc entry for arena %s", pArena->name));
+ }
+
+ ret = snprintf(szProcSegsName, sizeof(szProcSegsName), "ra_segs_%s", pArena->name);
+ if (ret > 0 && ret < sizeof(szProcInfoName))
+ {
+ pArena->pProcSegs = pfnCreateProcEntrySeq(ReplaceSpaces(szProcSegsName), pArena, NULL,
+ RA_ProcSeqShowRegs, RA_ProcSeqOff2ElementRegs, NULL, NULL);
+ }
+ else
+ {
+ pArena->pProcSegs = 0;
+ PVR_DPF((PVR_DBG_ERROR, "RA_Create: couldn't create ra_segs proc entry for arena %s", pArena->name));
+ }
+ }
+#endif
+
+ pArena->pSegmentHash = HASH_Create (MINIMUM_HASH_SIZE);
+ if (pArena->pSegmentHash==IMG_NULL)
+ {
+ goto hash_fail;
+ }
+ if (uSize>0)
+ {
+ uSize = (uSize + uQuantum - 1) / uQuantum * uQuantum;
+ pBT = _InsertResource (pArena, base, uSize);
+ if (pBT == IMG_NULL)
+ {
+ goto insert_fail;
+ }
+ pBT->psMapping = psMapping;
+
+ }
+ return pArena;
+
+insert_fail:
+ HASH_Delete (pArena->pSegmentHash);
+hash_fail:
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(RA_ARENA), pArena, IMG_NULL);
+
+arena_fail:
+ return IMG_NULL;
+}
+
+IMG_VOID
+RA_Delete (RA_ARENA *pArena)
+{
+ IMG_UINT32 uIndex;
+
+ PVR_ASSERT(pArena != IMG_NULL);
+
+ if (pArena == IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"RA_Delete: invalid parameter - pArena"));
+ return;
+ }
+
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_Delete: name='%s'", pArena->name));
+
+ for (uIndex=0; uIndex<FREE_TABLE_LIMIT; uIndex++)
+ pArena->aHeadFree[uIndex] = IMG_NULL;
+
+ while (pArena->pHeadSegment != IMG_NULL)
+ {
+ BT *pBT = pArena->pHeadSegment;
+
+ if (pBT->type != btt_free)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"RA_Delete: allocations still exist in the arena that is being destroyed"));
+ PVR_DPF ((PVR_DBG_ERROR,"Likely Cause: client drivers not freeing alocations before destroying devmemcontext"));
+ PVR_DPF ((PVR_DBG_ERROR,"RA_Delete: base = 0x%x size=0x%x", pBT->base, pBT->uSize));
+ }
+
+ _SegmentListRemove (pArena, pBT);
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(BT), pBT, IMG_NULL);
+
+#ifdef RA_STATS
+ pArena->sStatistics.uSpanCount--;
+#endif
+ }
+#if defined(CONFIG_PROC_FS) && defined(DEBUG)
+ {
+ IMG_VOID (*pfnRemoveProcEntrySeq)(struct proc_dir_entry*);
+
+ pfnRemoveProcEntrySeq = pArena->bInitProcEntry ? RemoveProcEntrySeq : RemovePerProcessProcEntrySeq;
+
+ if (pArena->pProcInfo != 0)
+ {
+ pfnRemoveProcEntrySeq( pArena->pProcInfo );
+ }
+
+ if (pArena->pProcSegs != 0)
+ {
+ pfnRemoveProcEntrySeq( pArena->pProcSegs );
+ }
+ }
+#endif
+ HASH_Delete (pArena->pSegmentHash);
+ OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(RA_ARENA), pArena, IMG_NULL);
+
+}
+
+IMG_BOOL
+RA_TestDelete (RA_ARENA *pArena)
+{
+ PVR_ASSERT(pArena != IMG_NULL);
+
+ if (pArena != IMG_NULL)
+ {
+ while (pArena->pHeadSegment != IMG_NULL)
+ {
+ BT *pBT = pArena->pHeadSegment;
+ if (pBT->type != btt_free)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"RA_TestDelete: detected resource leak!"));
+ PVR_DPF ((PVR_DBG_ERROR,"RA_TestDelete: base = 0x%x size=0x%x", pBT->base, pBT->uSize));
+ return IMG_FALSE;
+ }
+ }
+ }
+
+ return IMG_TRUE;
+}
+
+IMG_BOOL
+RA_Add (RA_ARENA *pArena, IMG_UINTPTR_T base, IMG_SIZE_T uSize)
+{
+ PVR_ASSERT (pArena != IMG_NULL);
+
+ if (pArena == IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"RA_Add: invalid parameter - pArena"));
+ return IMG_FALSE;
+ }
+
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_Add: name='%s', base=0x%x, size=0x%x", pArena->name, base, uSize));
+
+ uSize = (uSize + pArena->uQuantum - 1) / pArena->uQuantum * pArena->uQuantum;
+ return ((IMG_BOOL)(_InsertResource (pArena, base, uSize) != IMG_NULL));
+}
+
+IMG_BOOL
+RA_Alloc (RA_ARENA *pArena,
+ IMG_SIZE_T uRequestSize,
+ IMG_SIZE_T *pActualSize,
+ BM_MAPPING **ppsMapping,
+ IMG_UINT32 uFlags,
+ IMG_UINT32 uAlignment,
+ IMG_UINT32 uAlignmentOffset,
+ IMG_UINTPTR_T *base)
+{
+ IMG_BOOL bResult;
+ IMG_SIZE_T uSize = uRequestSize;
+
+ PVR_ASSERT (pArena!=IMG_NULL);
+
+ if (pArena == IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"RA_Alloc: invalid parameter - pArena"));
+ return IMG_FALSE;
+ }
+
+#if defined(VALIDATE_ARENA_TEST)
+ ValidateArena(pArena);
+#endif
+
+#ifdef USE_BM_FREESPACE_CHECK
+ CheckBMFreespace();
+#endif
+
+ if (pActualSize != IMG_NULL)
+ {
+ *pActualSize = uSize;
+ }
+
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_Alloc: arena='%s', size=0x%x(0x%x), alignment=0x%x, offset=0x%x",
+ pArena->name, uSize, uRequestSize, uAlignment, uAlignmentOffset));
+
+
+
+ bResult = _AttemptAllocAligned (pArena, uSize, ppsMapping, uFlags,
+ uAlignment, uAlignmentOffset, base);
+ if (!bResult)
+ {
+ BM_MAPPING *psImportMapping;
+ IMG_UINTPTR_T import_base;
+ IMG_SIZE_T uImportSize = uSize;
+
+
+
+
+ if (uAlignment > pArena->uQuantum)
+ {
+ uImportSize += (uAlignment - 1);
+ }
+
+
+ uImportSize = ((uImportSize + pArena->uQuantum - 1)/pArena->uQuantum)*pArena->uQuantum;
+
+ bResult =
+ pArena->pImportAlloc (pArena->pImportHandle, uImportSize, &uImportSize,
+ &psImportMapping, uFlags, &import_base);
+ if (bResult)
+ {
+ BT *pBT;
+ pBT = _InsertResourceSpan (pArena, import_base, uImportSize);
+
+ if (pBT == IMG_NULL)
+ {
+
+ pArena->pImportFree(pArena->pImportHandle, import_base,
+ psImportMapping);
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_Alloc: name='%s', size=0x%x failed!",
+ pArena->name, uSize));
+
+ return IMG_FALSE;
+ }
+ pBT->psMapping = psImportMapping;
+#ifdef RA_STATS
+ pArena->sStatistics.uFreeSegmentCount++;
+ pArena->sStatistics.uFreeResourceCount += uImportSize;
+ pArena->sStatistics.uImportCount++;
+ pArena->sStatistics.uSpanCount++;
+#endif
+ bResult = _AttemptAllocAligned(pArena, uSize, ppsMapping, uFlags,
+ uAlignment, uAlignmentOffset,
+ base);
+ if (!bResult)
+ {
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_Alloc: name='%s' uAlignment failed!",
+ pArena->name));
+ }
+ }
+ }
+#ifdef RA_STATS
+ if (bResult)
+ pArena->sStatistics.uCumulativeAllocs++;
+#endif
+
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_Alloc: name='%s', size=0x%x, *base=0x%x = %d",
+ pArena->name, uSize, *base, bResult));
+
+
+
+#if defined(VALIDATE_ARENA_TEST)
+ ValidateArena(pArena);
+#endif
+
+ return bResult;
+}
+
+
+#if defined(VALIDATE_ARENA_TEST)
+
+IMG_UINT32 ValidateArena(RA_ARENA *pArena)
+{
+ BT* pSegment;
+ RESOURCE_DESCRIPTOR eNextSpan;
+
+ pSegment = pArena->pHeadSegment;
+
+ if (pSegment == IMG_NULL)
+ {
+ return 0;
+ }
+
+ if (pSegment->eResourceType == IMPORTED_RESOURCE_TYPE)
+ {
+ PVR_ASSERT(pSegment->eResourceSpan == IMPORTED_RESOURCE_SPAN_START);
+
+ while (pSegment->pNextSegment)
+ {
+ eNextSpan = pSegment->pNextSegment->eResourceSpan;
+
+ switch (pSegment->eResourceSpan)
+ {
+ case IMPORTED_RESOURCE_SPAN_LIVE:
+
+ if (!((eNextSpan == IMPORTED_RESOURCE_SPAN_LIVE) ||
+ (eNextSpan == IMPORTED_RESOURCE_SPAN_FREE) ||
+ (eNextSpan == IMPORTED_RESOURCE_SPAN_END)))
+ {
+
+ PVR_DPF((PVR_DBG_ERROR, "ValidateArena ERROR: adjacent boundary tags %d (base=0x%x) and %d (base=0x%x) are incompatible (arena: %s)",
+ pSegment->ui32BoundaryTagID, pSegment->base, pSegment->pNextSegment->ui32BoundaryTagID, pSegment->pNextSegment->base, pArena->name));
+
+ PVR_DBG_BREAK;
+ }
+ break;
+
+ case IMPORTED_RESOURCE_SPAN_FREE:
+
+ if (!((eNextSpan == IMPORTED_RESOURCE_SPAN_LIVE) ||
+ (eNextSpan == IMPORTED_RESOURCE_SPAN_END)))
+ {
+
+ PVR_DPF((PVR_DBG_ERROR, "ValidateArena ERROR: adjacent boundary tags %d (base=0x%x) and %d (base=0x%x) are incompatible (arena: %s)",
+ pSegment->ui32BoundaryTagID, pSegment->base, pSegment->pNextSegment->ui32BoundaryTagID, pSegment->pNextSegment->base, pArena->name));
+
+ PVR_DBG_BREAK;
+ }
+ break;
+
+ case IMPORTED_RESOURCE_SPAN_END:
+
+ if ((eNextSpan == IMPORTED_RESOURCE_SPAN_LIVE) ||
+ (eNextSpan == IMPORTED_RESOURCE_SPAN_FREE) ||
+ (eNextSpan == IMPORTED_RESOURCE_SPAN_END))
+ {
+
+ PVR_DPF((PVR_DBG_ERROR, "ValidateArena ERROR: adjacent boundary tags %d (base=0x%x) and %d (base=0x%x) are incompatible (arena: %s)",
+ pSegment->ui32BoundaryTagID, pSegment->base, pSegment->pNextSegment->ui32BoundaryTagID, pSegment->pNextSegment->base, pArena->name));
+
+ PVR_DBG_BREAK;
+ }
+ break;
+
+
+ case IMPORTED_RESOURCE_SPAN_START:
+
+ if (!((eNextSpan == IMPORTED_RESOURCE_SPAN_LIVE) ||
+ (eNextSpan == IMPORTED_RESOURCE_SPAN_FREE)))
+ {
+
+ PVR_DPF((PVR_DBG_ERROR, "ValidateArena ERROR: adjacent boundary tags %d (base=0x%x) and %d (base=0x%x) are incompatible (arena: %s)",
+ pSegment->ui32BoundaryTagID, pSegment->base, pSegment->pNextSegment->ui32BoundaryTagID, pSegment->pNextSegment->base, pArena->name));
+
+ PVR_DBG_BREAK;
+ }
+ break;
+
+ default:
+ PVR_DPF((PVR_DBG_ERROR, "ValidateArena ERROR: adjacent boundary tags %d (base=0x%x) and %d (base=0x%x) are incompatible (arena: %s)",
+ pSegment->ui32BoundaryTagID, pSegment->base, pSegment->pNextSegment->ui32BoundaryTagID, pSegment->pNextSegment->base, pArena->name));
+
+ PVR_DBG_BREAK;
+ break;
+ }
+ pSegment = pSegment->pNextSegment;
+ }
+ }
+ else if (pSegment->eResourceType == NON_IMPORTED_RESOURCE_TYPE)
+ {
+ PVR_ASSERT((pSegment->eResourceSpan == RESOURCE_SPAN_FREE) || (pSegment->eResourceSpan == RESOURCE_SPAN_LIVE));
+
+ while (pSegment->pNextSegment)
+ {
+ eNextSpan = pSegment->pNextSegment->eResourceSpan;
+
+ switch (pSegment->eResourceSpan)
+ {
+ case RESOURCE_SPAN_LIVE:
+
+ if (!((eNextSpan == RESOURCE_SPAN_FREE) ||
+ (eNextSpan == RESOURCE_SPAN_LIVE)))
+ {
+
+ PVR_DPF((PVR_DBG_ERROR, "ValidateArena ERROR: adjacent boundary tags %d (base=0x%x) and %d (base=0x%x) are incompatible (arena: %s)",
+ pSegment->ui32BoundaryTagID, pSegment->base, pSegment->pNextSegment->ui32BoundaryTagID, pSegment->pNextSegment->base, pArena->name));
+
+ PVR_DBG_BREAK;
+ }
+ break;
+
+ case RESOURCE_SPAN_FREE:
+
+ if (!((eNextSpan == RESOURCE_SPAN_FREE) ||
+ (eNextSpan == RESOURCE_SPAN_LIVE)))
+ {
+
+ PVR_DPF((PVR_DBG_ERROR, "ValidateArena ERROR: adjacent boundary tags %d (base=0x%x) and %d (base=0x%x) are incompatible (arena: %s)",
+ pSegment->ui32BoundaryTagID, pSegment->base, pSegment->pNextSegment->ui32BoundaryTagID, pSegment->pNextSegment->base, pArena->name));
+
+ PVR_DBG_BREAK;
+ }
+ break;
+
+ default:
+ PVR_DPF((PVR_DBG_ERROR, "ValidateArena ERROR: adjacent boundary tags %d (base=0x%x) and %d (base=0x%x) are incompatible (arena: %s)",
+ pSegment->ui32BoundaryTagID, pSegment->base, pSegment->pNextSegment->ui32BoundaryTagID, pSegment->pNextSegment->base, pArena->name));
+
+ PVR_DBG_BREAK;
+ break;
+ }
+ pSegment = pSegment->pNextSegment;
+ }
+
+ }
+ else
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"ValidateArena ERROR: pSegment->eResourceType unrecognized"));
+
+ PVR_DBG_BREAK;
+ }
+
+ return 0;
+}
+
+#endif
+
+
+IMG_VOID
+RA_Free (RA_ARENA *pArena, IMG_UINTPTR_T base, IMG_BOOL bFreeBackingStore)
+{
+ BT *pBT;
+
+ PVR_ASSERT (pArena != IMG_NULL);
+
+ if (pArena == IMG_NULL)
+ {
+ PVR_DPF ((PVR_DBG_ERROR,"RA_Free: invalid parameter - pArena"));
+ return;
+ }
+
+#ifdef USE_BM_FREESPACE_CHECK
+ CheckBMFreespace();
+#endif
+
+ PVR_DPF ((PVR_DBG_MESSAGE,
+ "RA_Free: name='%s', base=0x%x", pArena->name, base));
+
+ pBT = (BT *) HASH_Remove (pArena->pSegmentHash, base);
+ PVR_ASSERT (pBT != IMG_NULL);
+
+ if (pBT)
+ {
+ PVR_ASSERT (pBT->base == base);
+
+#ifdef RA_STATS
+ pArena->sStatistics.uCumulativeFrees++;
+#endif
+
+#ifdef USE_BM_FREESPACE_CHECK
+{
+ IMG_BYTE* p;
+ IMG_BYTE* endp;
+
+ p = (IMG_BYTE*)pBT->base + SysGetDevicePhysOffset();
+ endp = (IMG_BYTE*)((IMG_UINT32)(p + pBT->uSize));
+ while ((IMG_UINT32)p & 3)
+ {
+ *p++ = 0xAA;
+ }
+ while (p < (IMG_BYTE*)((IMG_UINT32)endp & 0xfffffffc))
+ {
+ *(IMG_UINT32*)p = 0xAAAAAAAA;
+ p += sizeof(IMG_UINT32);
+ }
+ while (p < endp)
+ {
+ *p++ = 0xAA;
+ }
+ PVR_DPF((PVR_DBG_MESSAGE,"BM_FREESPACE_CHECK: RA_Free Cleared %08X to %08X (size=0x%x)",(IMG_BYTE*)pBT->base + SysGetDevicePhysOffset(),endp-1,pBT->uSize));
+}
+#endif
+ _FreeBT (pArena, pBT, bFreeBackingStore);
+ }
+}
+
+
+IMG_BOOL RA_GetNextLiveSegment(IMG_HANDLE hArena, RA_SEGMENT_DETAILS *psSegDetails)
+{
+ BT *pBT;
+
+ if (psSegDetails->hSegment)
+ {
+ pBT = (BT *)psSegDetails->hSegment;
+ }
+ else
+ {
+ RA_ARENA *pArena = (RA_ARENA *)hArena;
+
+ pBT = pArena->pHeadSegment;
+ }
+
+ while (pBT != IMG_NULL)
+ {
+ if (pBT->type == btt_live)
+ {
+ psSegDetails->uiSize = pBT->uSize;
+ psSegDetails->sCpuPhyAddr.uiAddr = pBT->base;
+ psSegDetails->hSegment = (IMG_HANDLE)pBT->pNextSegment;
+
+ return IMG_TRUE;
+ }
+
+ pBT = pBT->pNextSegment;
+ }
+
+ psSegDetails->uiSize = 0;
+ psSegDetails->sCpuPhyAddr.uiAddr = 0;
+ psSegDetails->hSegment = (IMG_HANDLE)IMG_UNDEF;
+
+ return IMG_FALSE;
+}
+
+
+#ifdef USE_BM_FREESPACE_CHECK
+RA_ARENA* pJFSavedArena = IMG_NULL;
+
+IMG_VOID CheckBMFreespace(IMG_VOID)
+{
+ BT *pBT;
+ IMG_BYTE* p;
+ IMG_BYTE* endp;
+
+ if (pJFSavedArena != IMG_NULL)
+ {
+ for (pBT=pJFSavedArena->pHeadSegment; pBT!=IMG_NULL; pBT=pBT->pNextSegment)
+ {
+ if (pBT->type == btt_free)
+ {
+ p = (IMG_BYTE*)pBT->base + SysGetDevicePhysOffset();
+ endp = (IMG_BYTE*)((IMG_UINT32)(p + pBT->uSize) & 0xfffffffc);
+
+ while ((IMG_UINT32)p & 3)
+ {
+ if (*p++ != 0xAA)
+ {
+ fprintf(stderr,"BM_FREESPACE_CHECK: Blank space at %08X has changed to 0x%x\n",p,*(IMG_UINT32*)p);
+ for (;;);
+ break;
+ }
+ }
+ while (p < endp)
+ {
+ if (*(IMG_UINT32*)p != 0xAAAAAAAA)
+ {
+ fprintf(stderr,"BM_FREESPACE_CHECK: Blank space at %08X has changed to 0x%x\n",p,*(IMG_UINT32*)p);
+ for (;;);
+ break;
+ }
+ p += 4;
+ }
+ }
+ }
+ }
+}
+#endif
+
+
+#if (defined(CONFIG_PROC_FS) && defined(DEBUG)) || defined (RA_STATS)
+static IMG_CHAR *
+_BTType (IMG_INT eType)
+{
+ switch (eType)
+ {
+ case btt_span: return "span";
+ case btt_free: return "free";
+ case btt_live: return "live";
+ }
+ return "junk";
+}
+#endif
+
+#if defined(ENABLE_RA_DUMP)
+IMG_VOID
+RA_Dump (RA_ARENA *pArena)
+{
+ BT *pBT;
+ PVR_ASSERT (pArena != IMG_NULL);
+ PVR_DPF ((PVR_DBG_MESSAGE,"Arena '%s':", pArena->name));
+ PVR_DPF ((PVR_DBG_MESSAGE," alloc=%08X free=%08X handle=%08X quantum=%d",
+ pArena->pImportAlloc, pArena->pImportFree, pArena->pImportHandle,
+ pArena->uQuantum));
+ PVR_DPF ((PVR_DBG_MESSAGE," segment Chain:"));
+ if (pArena->pHeadSegment != IMG_NULL &&
+ pArena->pHeadSegment->pPrevSegment != IMG_NULL)
+ PVR_DPF ((PVR_DBG_MESSAGE," error: head boundary tag has invalid pPrevSegment"));
+ if (pArena->pTailSegment != IMG_NULL &&
+ pArena->pTailSegment->pNextSegment != IMG_NULL)
+ PVR_DPF ((PVR_DBG_MESSAGE," error: tail boundary tag has invalid pNextSegment"));
+
+ for (pBT=pArena->pHeadSegment; pBT!=IMG_NULL; pBT=pBT->pNextSegment)
+ {
+ PVR_DPF ((PVR_DBG_MESSAGE,"\tbase=0x%x size=0x%x type=%s ref=%08X",
+ (IMG_UINT32) pBT->base, pBT->uSize, _BTType (pBT->type),
+ pBT->pRef));
+ }
+
+#ifdef HASH_TRACE
+ HASH_Dump (pArena->pSegmentHash);
+#endif
+}
+#endif
+
+
+#if defined(CONFIG_PROC_FS) && defined(DEBUG)
+
+
+static void RA_ProcSeqShowInfo(struct seq_file *sfile, void* el)
+{
+ PVR_PROC_SEQ_HANDLERS *handlers = (PVR_PROC_SEQ_HANDLERS*)sfile->private;
+ RA_ARENA *pArena = (RA_ARENA *)handlers->data;
+ IMG_INT off = (IMG_INT)el;
+
+ switch (off)
+ {
+ case 1:
+ seq_printf(sfile, "quantum\t\t\t%u\n", pArena->uQuantum);
+ break;
+ case 2:
+ seq_printf(sfile, "import_handle\t\t%08X\n", (IMG_UINT)pArena->pImportHandle);
+ break;
+#ifdef RA_STATS
+ case 3:
+ seq_printf(sfile,"span count\t\t%u\n", pArena->sStatistics.uSpanCount);
+ break;
+ case 4:
+ seq_printf(sfile, "live segment count\t%u\n", pArena->sStatistics.uLiveSegmentCount);
+ break;
+ case 5:
+ seq_printf(sfile, "free segment count\t%u\n", pArena->sStatistics.uFreeSegmentCount);
+ break;
+ case 6:
+ seq_printf(sfile, "free resource count\t%u (0x%x)\n",
+ pArena->sStatistics.uFreeResourceCount,
+ (IMG_UINT)pArena->sStatistics.uFreeResourceCount);
+ break;
+ case 7:
+ seq_printf(sfile, "total allocs\t\t%u\n", pArena->sStatistics.uCumulativeAllocs);
+ break;
+ case 8:
+ seq_printf(sfile, "total frees\t\t%u\n", pArena->sStatistics.uCumulativeFrees);
+ break;
+ case 9:
+ seq_printf(sfile, "import count\t\t%u\n", pArena->sStatistics.uImportCount);
+ break;
+ case 10:
+ seq_printf(sfile, "export count\t\t%u\n", pArena->sStatistics.uExportCount);
+ break;
+#endif
+ }
+
+}
+
+static void* RA_ProcSeqOff2ElementInfo(struct seq_file * sfile, loff_t off)
+{
+#ifdef RA_STATS
+ if(off <= 9)
+#else
+ if(off <= 1)
+#endif
+ return (void*)(IMG_INT)(off+1);
+ return 0;
+}
+
+static void RA_ProcSeqShowRegs(struct seq_file *sfile, void* el)
+{
+ PVR_PROC_SEQ_HANDLERS *handlers = (PVR_PROC_SEQ_HANDLERS*)sfile->private;
+ RA_ARENA *pArena = (RA_ARENA *)handlers->data;
+ BT *pBT = (BT*)el;
+
+ if (el == PVR_PROC_SEQ_START_TOKEN)
+ {
+ seq_printf(sfile, "Arena \"%s\"\nBase Size Type Ref\n", pArena->name);
+ return;
+ }
+
+ if (pBT)
+ {
+ seq_printf(sfile, "%08x %8x %4s %08x\n",
+ (IMG_UINT)pBT->base, (IMG_UINT)pBT->uSize, _BTType (pBT->type),
+ (IMG_UINT)pBT->psMapping);
+ }
+}
+
+static void* RA_ProcSeqOff2ElementRegs(struct seq_file * sfile, loff_t off)
+{
+ PVR_PROC_SEQ_HANDLERS *handlers = (PVR_PROC_SEQ_HANDLERS*)sfile->private;
+ RA_ARENA *pArena = (RA_ARENA *)handlers->data;
+ BT *pBT = 0;
+
+ if(off == 0)
+ return PVR_PROC_SEQ_START_TOKEN;
+
+ for (pBT=pArena->pHeadSegment; --off && pBT; pBT=pBT->pNextSegment);
+
+ return (void*)pBT;
+}
+
+#endif
+
+
+#ifdef RA_STATS
+PVRSRV_ERROR RA_GetStats(RA_ARENA *pArena,
+ IMG_CHAR **ppszStr,
+ IMG_UINT32 *pui32StrLen)
+{
+ IMG_CHAR *pszStr = *ppszStr;
+ IMG_UINT32 ui32StrLen = *pui32StrLen;
+ IMG_INT32 i32Count;
+ BT *pBT;
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "\nArena '%s':\n", pArena->name);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, " allocCB=%p freeCB=%p handle=%p quantum=%d\n",
+ pArena->pImportAlloc,
+ pArena->pImportFree,
+ pArena->pImportHandle,
+ pArena->uQuantum);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "span count\t\t%u\n", pArena->sStatistics.uSpanCount);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "live segment count\t%u\n", pArena->sStatistics.uLiveSegmentCount);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "free segment count\t%u\n", pArena->sStatistics.uFreeSegmentCount);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "free resource count\t%u (0x%x)\n",
+ pArena->sStatistics.uFreeResourceCount,
+ (IMG_UINT)pArena->sStatistics.uFreeResourceCount);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "total allocs\t\t%u\n", pArena->sStatistics.uCumulativeAllocs);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "total frees\t\t%u\n", pArena->sStatistics.uCumulativeFrees);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "import count\t\t%u\n", pArena->sStatistics.uImportCount);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "export count\t\t%u\n", pArena->sStatistics.uExportCount);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, " segment Chain:\n");
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+
+ if (pArena->pHeadSegment != IMG_NULL &&
+ pArena->pHeadSegment->pPrevSegment != IMG_NULL)
+ {
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, " error: head boundary tag has invalid pPrevSegment\n");
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+ }
+
+ if (pArena->pTailSegment != IMG_NULL &&
+ pArena->pTailSegment->pNextSegment != IMG_NULL)
+ {
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, " error: tail boundary tag has invalid pNextSegment\n");
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+ }
+
+ for (pBT=pArena->pHeadSegment; pBT!=IMG_NULL; pBT=pBT->pNextSegment)
+ {
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "\tbase=0x%x size=0x%x type=%s ref=%p\n",
+ (IMG_UINT32) pBT->base,
+ pBT->uSize,
+ _BTType(pBT->type),
+ pBT->psMapping);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+ }
+
+ *ppszStr = pszStr;
+ *pui32StrLen = ui32StrLen;
+
+ return PVRSRV_OK;
+}
+
+PVRSRV_ERROR RA_GetStatsFreeMem(RA_ARENA *pArena,
+ IMG_CHAR **ppszStr,
+ IMG_UINT32 *pui32StrLen)
+{
+ IMG_CHAR *pszStr = *ppszStr;
+ IMG_UINT32 ui32StrLen = *pui32StrLen;
+ IMG_INT32 i32Count;
+ CHECK_SPACE(ui32StrLen);
+ i32Count = OSSNPrintf(pszStr, 100, "Bytes free: Arena %-30s: %u (0x%x)\n", pArena->name,
+ pArena->sStatistics.uFreeResourceCount,
+ pArena->sStatistics.uFreeResourceCount);
+ UPDATE_SPACE(pszStr, i32Count, ui32StrLen);
+ *ppszStr = pszStr;
+ *pui32StrLen = ui32StrLen;
+
+ return PVRSRV_OK;
+}
+#endif
+