/*************************************************************************/ /*!
@Title          Linux private data structure
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@License        Dual MIT/GPLv2

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

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*/ /**************************************************************************/

#ifndef __INCLUDED_PRIVATE_DATA_H_
#define __INCLUDED_PRIVATE_DATA_H_

#if defined(SUPPORT_DRI_DRM) && defined(PVR_SECURE_DRM_AUTH_EXPORT)
#include <linux/list.h>
#include <drm/drmP.h>
#endif

/* This structure is required in the rare case that a process creates
 * a connection to services, but before closing the file descriptor,
 * does a fork(). This fork() will duplicate the file descriptor in the
 * child process. If the parent process dies before the child, this can
 * cause the PVRSRVRelease() method to be called in a different process
 * context than the original PVRSRVOpen(). This is bad because we need
 * to update the per-process data reference count and/or free the
 * per-process data. So we must keep a record of which PID's per-process
 * data to inspect during ->release().
 */

typedef struct
{
	/* PID that created this services connection */
	IMG_UINT32 ui32OpenPID;

	/* Global kernel MemInfo handle */
	IMG_HANDLE hKernelMemInfo;

#if defined(SUPPORT_DRI_DRM) && defined(PVR_SECURE_DRM_AUTH_EXPORT)
	/* The private data is on a list in the per-process data structure */
	struct list_head sDRMAuthListItem;

	struct drm_file *psDRMFile;
#endif

#if defined(SUPPORT_MEMINFO_IDS)
	/* Globally unique "stamp" for kernel MemInfo */
	IMG_UINT64 ui64Stamp;
#endif /* defined(SUPPORT_MEMINFO_IDS) */

	/* Accounting for OSAllocMem */
	IMG_HANDLE hBlockAlloc;

#if defined(SUPPORT_DRI_DRM_EXT)
	IMG_PVOID pPriv;	/*private data for extending this struct*/
#endif
}
PVRSRV_FILE_PRIVATE_DATA;

#endif /* __INCLUDED_PRIVATE_DATA_H_ */