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-rw-r--r--drivers/gpu/pvr/refcount.c401
1 files changed, 401 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/refcount.c b/drivers/gpu/pvr/refcount.c
new file mode 100644
index 0000000..e13ae0b
--- /dev/null
+++ b/drivers/gpu/pvr/refcount.c
@@ -0,0 +1,401 @@
+/*************************************************************************/ /*!
+@Title Services reference count debugging
+@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
+@License Strictly Confidential.
+*/ /**************************************************************************/
+
+#if defined(PVRSRV_REFCOUNT_DEBUG)
+
+#include "services_headers.h"
+
+#ifndef __linux__
+#warning Reference count debugging is not thread-safe on this platform
+#define PVRSRV_LOCK_CCB()
+#define PVRSRV_UNLOCK_CCB()
+#else /* __linux__ */
+#include <linux/mutex.h>
+static DEFINE_MUTEX(gsCCBLock);
+#define PVRSRV_LOCK_CCB() mutex_lock(&gsCCBLock)
+#define PVRSRV_UNLOCK_CCB() mutex_unlock(&gsCCBLock)
+#endif /* __linux__ */
+
+#define PVRSRV_REFCOUNT_CCB_MAX 256
+#define PVRSRV_REFCOUNT_CCB_MESG_MAX 80
+
+typedef struct
+{
+ const IMG_CHAR *pszFile;
+ IMG_INT iLine;
+ IMG_UINT32 ui32PID;
+ IMG_CHAR pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX];
+}
+PVRSRV_REFCOUNT_CCB;
+
+static PVRSRV_REFCOUNT_CCB gsRefCountCCB[PVRSRV_REFCOUNT_CCB_MAX];
+static IMG_UINT giOffset;
+
+static const IMG_CHAR gszHeader[] =
+ /* 10 20 30 40 50 60 70
+ * 345678901234567890123456789012345678901234567890123456789012345678901
+ */
+ "TYPE SYNCINFO MEMINFO MEMHANDLE OTHER REF REF' SIZE PID";
+ /* NCINFO deadbeef deadbeef deadbeef deadbeef 1234 1234 deadbeef */
+
+#define PVRSRV_REFCOUNT_CCB_FMT_STRING "%8.8s %8p %8p %8p %8p %.4d %.4d %.8x"
+
+IMG_INTERNAL
+void PVRSRVDumpRefCountCCB(void)
+{
+ int i;
+
+ PVRSRV_LOCK_CCB();
+
+ PVR_LOG(("%s", gszHeader));
+
+ for(i = 0; i < PVRSRV_REFCOUNT_CCB_MAX; i++)
+ {
+ PVRSRV_REFCOUNT_CCB *psRefCountCCBEntry =
+ &gsRefCountCCB[(giOffset + i) % PVRSRV_REFCOUNT_CCB_MAX];
+
+ /* Early on, we won't have MAX_REFCOUNT_CCB_SIZE messages */
+ if(!psRefCountCCBEntry->pszFile)
+ break;
+
+ PVR_LOG(("%s %d %s:%d", psRefCountCCBEntry->pcMesg,
+ psRefCountCCBEntry->ui32PID,
+ psRefCountCCBEntry->pszFile,
+ psRefCountCCBEntry->iLine));
+ }
+
+ PVRSRV_UNLOCK_CCB();
+}
+
+IMG_INTERNAL
+void PVRSRVKernelSyncInfoIncRef2(const IMG_CHAR *pszFile, IMG_INT iLine,
+ PVRSRV_KERNEL_SYNC_INFO *psKernelSyncInfo,
+ PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "SYNCINFO",
+ psKernelSyncInfo,
+ psKernelMemInfo,
+ NULL,
+ (psKernelMemInfo) ? psKernelMemInfo->sMemBlk.hOSMemHandle : NULL,
+ psKernelSyncInfo->ui32RefCount,
+ psKernelSyncInfo->ui32RefCount + 1,
+ (psKernelMemInfo) ? psKernelMemInfo->uAllocSize : 0);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ psKernelSyncInfo->ui32RefCount++;
+}
+
+IMG_INTERNAL
+void PVRSRVKernelSyncInfoDecRef2(const IMG_CHAR *pszFile, IMG_INT iLine,
+ PVRSRV_KERNEL_SYNC_INFO *psKernelSyncInfo,
+ PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "SYNCINFO",
+ psKernelSyncInfo,
+ psKernelMemInfo,
+ (psKernelMemInfo) ? psKernelMemInfo->sMemBlk.hOSMemHandle : NULL,
+ NULL,
+ psKernelSyncInfo->ui32RefCount,
+ psKernelSyncInfo->ui32RefCount - 1,
+ (psKernelMemInfo) ? psKernelMemInfo->uAllocSize : 0);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ psKernelSyncInfo->ui32RefCount--;
+}
+
+IMG_INTERNAL
+void PVRSRVKernelMemInfoIncRef2(const IMG_CHAR *pszFile, IMG_INT iLine,
+ PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "MEMINFO",
+ psKernelMemInfo->psKernelSyncInfo,
+ psKernelMemInfo,
+ psKernelMemInfo->sMemBlk.hOSMemHandle,
+ NULL,
+ psKernelMemInfo->ui32RefCount,
+ psKernelMemInfo->ui32RefCount + 1,
+ psKernelMemInfo->uAllocSize);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ psKernelMemInfo->ui32RefCount++;
+}
+
+IMG_INTERNAL
+void PVRSRVKernelMemInfoDecRef2(const IMG_CHAR *pszFile, IMG_INT iLine,
+ PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "MEMINFO",
+ psKernelMemInfo->psKernelSyncInfo,
+ psKernelMemInfo,
+ psKernelMemInfo->sMemBlk.hOSMemHandle,
+ NULL,
+ psKernelMemInfo->ui32RefCount,
+ psKernelMemInfo->ui32RefCount - 1,
+ psKernelMemInfo->uAllocSize);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ psKernelMemInfo->ui32RefCount--;
+}
+
+IMG_INTERNAL
+void PVRSRVBMBufIncRef2(const IMG_CHAR *pszFile, IMG_INT iLine, BM_BUF *pBuf)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "BM_BUF",
+ NULL,
+ NULL,
+ BM_HandleToOSMemHandle(pBuf),
+ pBuf,
+ pBuf->ui32RefCount,
+ pBuf->ui32RefCount + 1,
+ (pBuf->pMapping) ? pBuf->pMapping->uSize : 0);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ pBuf->ui32RefCount++;
+}
+
+IMG_INTERNAL
+void PVRSRVBMBufDecRef2(const IMG_CHAR *pszFile, IMG_INT iLine, BM_BUF *pBuf)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "BM_BUF",
+ NULL,
+ NULL,
+ BM_HandleToOSMemHandle(pBuf),
+ pBuf,
+ pBuf->ui32RefCount,
+ pBuf->ui32RefCount - 1,
+ (pBuf->pMapping) ? pBuf->pMapping->uSize : 0);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ pBuf->ui32RefCount--;
+}
+
+IMG_INTERNAL
+void PVRSRVBMBufIncExport2(const IMG_CHAR *pszFile, IMG_INT iLine, BM_BUF *pBuf)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "BM_BUF2",
+ NULL,
+ NULL,
+ BM_HandleToOSMemHandle(pBuf),
+ pBuf,
+ pBuf->ui32ExportCount,
+ pBuf->ui32ExportCount + 1,
+ (pBuf->pMapping) ? pBuf->pMapping->uSize : 0);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ pBuf->ui32ExportCount++;
+}
+
+IMG_INTERNAL
+void PVRSRVBMBufDecExport2(const IMG_CHAR *pszFile, IMG_INT iLine, BM_BUF *pBuf)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "BM_BUF2",
+ NULL,
+ NULL,
+ BM_HandleToOSMemHandle(pBuf),
+ pBuf,
+ pBuf->ui32ExportCount,
+ pBuf->ui32ExportCount - 1,
+ (pBuf->pMapping) ? pBuf->pMapping->uSize : 0);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ pBuf->ui32ExportCount--;
+}
+
+#if defined(__linux__)
+
+/* mmap refcounting is Linux specific */
+
+IMG_INTERNAL
+void PVRSRVOffsetStructIncRef2(const IMG_CHAR *pszFile, IMG_INT iLine,
+ PKV_OFFSET_STRUCT psOffsetStruct)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "MMAP",
+ NULL,
+ NULL,
+ psOffsetStruct->psLinuxMemArea,
+ psOffsetStruct,
+ psOffsetStruct->ui32RefCount,
+ psOffsetStruct->ui32RefCount + 1,
+ psOffsetStruct->ui32RealByteSize);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ psOffsetStruct->ui32RefCount++;
+}
+
+IMG_INTERNAL
+void PVRSRVOffsetStructDecRef2(const IMG_CHAR *pszFile, IMG_INT iLine,
+ PKV_OFFSET_STRUCT psOffsetStruct)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "MMAP",
+ NULL,
+ NULL,
+ psOffsetStruct->psLinuxMemArea,
+ psOffsetStruct,
+ psOffsetStruct->ui32RefCount,
+ psOffsetStruct->ui32RefCount - 1,
+ psOffsetStruct->ui32RealByteSize);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ psOffsetStruct->ui32RefCount--;
+}
+
+IMG_INTERNAL
+void PVRSRVOffsetStructIncMapped2(const IMG_CHAR *pszFile, IMG_INT iLine,
+ PKV_OFFSET_STRUCT psOffsetStruct)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "MMAP2",
+ NULL,
+ NULL,
+ psOffsetStruct->psLinuxMemArea,
+ psOffsetStruct,
+ psOffsetStruct->ui32Mapped,
+ psOffsetStruct->ui32Mapped + 1,
+ psOffsetStruct->ui32RealByteSize);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ psOffsetStruct->ui32Mapped++;
+}
+
+IMG_INTERNAL
+void PVRSRVOffsetStructDecMapped2(const IMG_CHAR *pszFile, IMG_INT iLine,
+ PKV_OFFSET_STRUCT psOffsetStruct)
+{
+ PVRSRV_LOCK_CCB();
+
+ gsRefCountCCB[giOffset].pszFile = pszFile;
+ gsRefCountCCB[giOffset].iLine = iLine;
+ gsRefCountCCB[giOffset].ui32PID = OSGetCurrentProcessIDKM();
+ snprintf(gsRefCountCCB[giOffset].pcMesg,
+ PVRSRV_REFCOUNT_CCB_MESG_MAX - 1,
+ PVRSRV_REFCOUNT_CCB_FMT_STRING,
+ "MMAP2",
+ NULL,
+ NULL,
+ psOffsetStruct->psLinuxMemArea,
+ psOffsetStruct,
+ psOffsetStruct->ui32Mapped,
+ psOffsetStruct->ui32Mapped - 1,
+ psOffsetStruct->ui32RealByteSize);
+ gsRefCountCCB[giOffset].pcMesg[PVRSRV_REFCOUNT_CCB_MESG_MAX - 1] = 0;
+ giOffset = (giOffset + 1) % PVRSRV_REFCOUNT_CCB_MAX;
+
+ PVRSRV_UNLOCK_CCB();
+ psOffsetStruct->ui32Mapped--;
+}
+
+#endif /* defined(__linux__) */
+
+#endif /* defined(PVRSRV_REFCOUNT_DEBUG) */
generated by cgit v1.1 at 2025-01-25 01:19:20 +0000