/* -*- Mode: C; tab-width: 4; indent-tabs-mode: 't; c-basic-offset: 4 -*-
 *
 * Name         : $RCSfile: virtmem.h $
 *
 * Copyright    : 2001,2002 by Imagination Technologies Limited. 
 *                  All rights reserved.
 *                  No part of this software, either material or conceptual 
 *                  may be copied or distributed, transmitted, transcribed,
 *                  stored in a retrieval system or translated into any 
 *                  human or computer language in any form by any means,
 *                  electronic, mechanical, manual or other-wise, or 
 *                  disclosed to third parties without the express written
 *                  permission of:
 *                             Imagination Technologies Limited, 
 *                             HomePark Industrial Estate, 
 *                             Kings Langley, 
 *                             Hertfordshire,
 *                             WD4 8LZ, 
 *                             UK
 *
 * Description  : Declares functions providing virtually contiguous memory
 *                allocations under Linux.
 *
 * Version	 	: $Revision: 1.7 $
 *
 **************************************************************************/

typedef struct tag_VirtAllocRec
{
	struct tag_VirtAllocRec* pNext;
	unsigned long pkvMem;
	unsigned long pkvPageAlignedMem;
	unsigned long nBytes;
} VIRT_ALLOC_REC, *PVIRT_ALLOC_REC;


/* Allocate virtually contiguous memory and mark it as reserved */
void* virtual_allocate_reserve(unsigned long nBytes, unsigned long bCached);

/* Unreserve & deallocate virtually contiguous memory */
void virtual_deallocate_unreserve(void* pkvPageAlignedMem);

/* Free any remaining memory allocations */
void virtual_memory_cleanup(void);


/* Prototype for function borrowed from hostfunc.c */
struct page *ConvertKVToPage(unsigned long pkvAddr);

/* EOF */