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Last change
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scm --update-copyright-year
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File size:
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| 1 | /* $Id: zone.h 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * NAT - this file is for sharing zone declaration with emu emulation and logging routines.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef __ZONE_H__
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| 19 | # define __ZONE_H__
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| 20 |
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| 21 | # define ITEM_MAGIC 0xdead0001
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| 22 | struct item
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| 23 | {
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| 24 | uint32_t magic;
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| 25 | uma_zone_t zone;
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| 26 | uint32_t ref_count;
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| 27 | LIST_ENTRY(item) list;
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| 28 | };
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| 29 |
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| 30 | # define ZONE_MAGIC 0xdead0002
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| 31 | struct uma_zone
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| 32 | {
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| 33 | uint32_t magic;
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| 34 | PNATState pData; /* to minimize changes in the rest of UMA emulation code */
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| 35 | RTCRITSECT csZone;
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| 36 | const char *name;
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| 37 | size_t size; /* item size */
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| 38 | ctor_t pfCtor;
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| 39 | dtor_t pfDtor;
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| 40 | zinit_t pfInit;
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| 41 | zfini_t pfFini;
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| 42 | uma_alloc_t pfAlloc;
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| 43 | uma_free_t pfFree;
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| 44 | int max_items;
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| 45 | int cur_items;
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| 46 | LIST_HEAD(RT_NOTHING, item) used_items;
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| 47 | LIST_HEAD(RT_NOTHING, item) free_items;
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| 48 | uma_zone_t master_zone;
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| 49 | void *area;
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| 50 | /** Needs call pfnXmitPending when memory becomes available if @c true.
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| 51 | * @remarks Only applies to the master zone (master_zone == NULL) */
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| 52 | bool fDoXmitPending;
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| 53 | };
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| 54 | #endif
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