| 1 | /* $Id: zone.h 98103 2023-01-17 14:15:46Z 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) 2006-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef __ZONE_H__
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| 29 | # define __ZONE_H__
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| 30 |
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| 31 | # define ITEM_MAGIC 0xdead0001
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| 32 | struct item
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| 33 | {
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| 34 | uint32_t magic;
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| 35 | uma_zone_t zone;
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| 36 | uint32_t ref_count;
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| 37 | LIST_ENTRY(item) list;
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| 38 | };
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| 39 |
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| 40 | # define ZONE_MAGIC 0xdead0002
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| 41 | struct uma_zone
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| 42 | {
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| 43 | uint32_t magic;
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| 44 | PNATState pData; /* to minimize changes in the rest of UMA emulation code */
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| 45 | RTCRITSECT csZone;
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| 46 | const char *name;
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| 47 | size_t size; /* item size */
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| 48 | ctor_t pfCtor;
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| 49 | dtor_t pfDtor;
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| 50 | zinit_t pfInit;
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| 51 | zfini_t pfFini;
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| 52 | uma_alloc_t pfAlloc;
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| 53 | uma_free_t pfFree;
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| 54 | int max_items;
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| 55 | int cur_items;
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| 56 | LIST_HEAD(RT_NOTHING, item) used_items;
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| 57 | LIST_HEAD(RT_NOTHING, item) free_items;
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| 58 | uma_zone_t master_zone;
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| 59 | void *area;
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| 60 | /** Needs call pfnXmitPending when memory becomes available if @c true.
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| 61 | * @remarks Only applies to the master zone (master_zone == NULL) */
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| 62 | bool fDoXmitPending;
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| 63 | };
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| 64 | #endif
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