drivers/gpu/drm/img-rogue/devicemem_history_server.h

/*************************************************************************/ /*!
@File			devicemem_history_server.h
@Title          Resource Information abstraction
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description	Devicemem History functions
@License        Dual MIT/GPLv2

The contents of this file are subject to the MIT license as set out below.

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of this software and associated documentation files (the "Software"), to deal
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*/ /**************************************************************************/

#ifndef _DEVICEMEM_HISTORY_SERVER_H_
#define _DEVICEMEM_HISTORY_SERVER_H_

#include "img_defs.h"
#include "mm_common.h"
#include "pvrsrv_error.h"
#include "rgxmem.h"

extern PVRSRV_ERROR
DevicememHistoryInitKM(void);

extern void
DevicememHistoryDeInitKM(void);

extern PVRSRV_ERROR
DevicememHistoryMapKM(IMG_DEV_VIRTADDR sDevVAddr, size_t uiSize, const char szText[DEVICEMEM_HISTORY_TEXT_BUFSZ]);

extern PVRSRV_ERROR
DevicememHistoryUnmapKM(IMG_DEV_VIRTADDR sDevVAddr, size_t uiSize, const char szText[DEVICEMEM_HISTORY_TEXT_BUFSZ]);


PVRSRV_ERROR DevicememHistoryMapNewKM(PMR *psPMR,
							IMG_UINT32 ui32Offset,
							IMG_DEV_VIRTADDR sDevVAddr,
							IMG_DEVMEM_SIZE_T uiSize,
							const char szName[DEVICEMEM_HISTORY_TEXT_BUFSZ],
							IMG_UINT32 ui32PageSize,
							IMG_UINT32 ui32AllocationIndex,
							IMG_UINT32 *pui32AllocationIndexOut);

PVRSRV_ERROR DevicememHistoryUnmapNewKM(PMR *psPMR,
							IMG_UINT32 ui32Offset,
							IMG_DEV_VIRTADDR sDevVAddr,
							IMG_DEVMEM_SIZE_T uiSize,
							const char szName[DEVICEMEM_HISTORY_TEXT_BUFSZ],
							IMG_UINT32 ui32PageSize,
							IMG_UINT32 ui32AllocationIndex,
							IMG_UINT32 *pui32AllocationIndexOut);

PVRSRV_ERROR DevicememHistoryMapVRangeKM(IMG_DEV_VIRTADDR sBaseDevVAddr,
							IMG_UINT32 ui32StartPage,
							IMG_UINT32 ui32NumPages,
							IMG_DEVMEM_SIZE_T uiAllocSize,
							const IMG_CHAR szName[DEVICEMEM_HISTORY_TEXT_BUFSZ],
							IMG_UINT32 ui32Log2PageSize,
							IMG_UINT32 ui32AllocationIndex,
							IMG_UINT32 *ui32AllocationIndexOut);

PVRSRV_ERROR DevicememHistoryUnmapVRangeKM(IMG_DEV_VIRTADDR sBaseDevVAddr,
							IMG_UINT32 ui32StartPage,
							IMG_UINT32 ui32NumPages,
							IMG_DEVMEM_SIZE_T uiAllocSize,
							const IMG_CHAR szName[DEVICEMEM_HISTORY_TEXT_BUFSZ],
							IMG_UINT32 ui32Log2PageSize,
							IMG_UINT32 ui32AllocationIndex,
							IMG_UINT32 *ui32AllocationIndexOut);

PVRSRV_ERROR DevicememHistorySparseChangeKM(PMR *psPMR,
							IMG_UINT32 ui32Offset,
							IMG_DEV_VIRTADDR sDevVAddr,
							IMG_DEVMEM_SIZE_T uiSize,
							const char szName[DEVICEMEM_HISTORY_TEXT_BUFSZ],
							IMG_UINT32 ui32PageSize,
							IMG_UINT32 ui32AllocPageCount,
							IMG_UINT32 *paui32AllocPageIndices,
							IMG_UINT32 ui32FreePageCount,
							IMG_UINT32 *pauiFreePageIndices,
							IMG_UINT32 AllocationIndex,
							IMG_UINT32 *pui32AllocationIndexOut);

/* used when the PID does not matter */
#define DEVICEMEM_HISTORY_PID_ANY 0xFFFFFFFE

typedef struct _DEVICEMEM_HISTORY_QUERY_IN_
{
	IMG_PID uiPID;
	IMG_DEV_VIRTADDR sDevVAddr;
} DEVICEMEM_HISTORY_QUERY_IN;

/* Store up to 4 results for a lookup. In the case of the faulting page being
 * re-mapped between the page fault occurring on HW and the page fault analysis
 * being done, the second result entry will show the allocation being unmapped.
 * A further 2 entries are added to cater for multiple buffers in the same page.
 */
#define DEVICEMEM_HISTORY_QUERY_OUT_MAX_RESULTS 4

typedef struct _DEVICEMEM_HISTORY_QUERY_OUT_RESULT_
{
	IMG_CHAR szString[DEVICEMEM_HISTORY_TEXT_BUFSZ];
	IMG_DEV_VIRTADDR sBaseDevVAddr;
	size_t uiSize;
	IMG_BOOL bMap;
	IMG_BOOL bRange;
	IMG_BOOL bAll;
	IMG_UINT64 ui64When;
	IMG_UINT64 ui64Age;
	/* info for sparse map/unmap operations (i.e. bRange=IMG_TRUE) */
	IMG_UINT32 ui32StartPage;
	IMG_UINT32 ui32PageCount;
	IMG_DEV_VIRTADDR sMapStartAddr;
	IMG_DEV_VIRTADDR sMapEndAddr;
	RGXMEM_PROCESS_INFO sProcessInfo;
} DEVICEMEM_HISTORY_QUERY_OUT_RESULT;

typedef struct _DEVICEMEM_HISTORY_QUERY_OUT_
{
	IMG_UINT32 ui32NumResults;
	/* result 0 is the newest */
	DEVICEMEM_HISTORY_QUERY_OUT_RESULT sResults[DEVICEMEM_HISTORY_QUERY_OUT_MAX_RESULTS];
} DEVICEMEM_HISTORY_QUERY_OUT;

extern IMG_BOOL
DevicememHistoryQuery(DEVICEMEM_HISTORY_QUERY_IN *psQueryIn,
                      DEVICEMEM_HISTORY_QUERY_OUT *psQueryOut,
                      IMG_UINT32 ui32PageSizeBytes,
                      IMG_BOOL bMatchAnyAllocInPage);

#endif