| 1 | /* $Id: GMMR0Internal.h 40054 2012-02-09 15:37:11Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * GMM - The Global Memory Manager, Internal Header.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2007 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 | #ifndef ___GMMR0Internal_h
|
|---|
| 19 | #define ___GMMR0Internal_h
|
|---|
| 20 |
|
|---|
| 21 | #include <VBox/vmm/gmm.h>
|
|---|
| 22 | #include <iprt/avl.h>
|
|---|
| 23 |
|
|---|
| 24 |
|
|---|
| 25 | /**
|
|---|
| 26 | * Shared module registration info (per VM)
|
|---|
| 27 | */
|
|---|
| 28 | typedef struct GMMSHAREDMODULEPERVM
|
|---|
| 29 | {
|
|---|
| 30 | /** Tree node. */
|
|---|
| 31 | AVLGCPTRNODECORE Core;
|
|---|
| 32 | /** Pointer to global shared module info. */
|
|---|
| 33 | PGMMSHAREDMODULE pGlobalModule;
|
|---|
| 34 | /** Pointer to the region addresses.
|
|---|
| 35 | *
|
|---|
| 36 | * They can differe between VMs because of address space scrambling or
|
|---|
| 37 | * simply different loading order. */
|
|---|
| 38 | RTGCPTR64 aRegionsGCPtrs[1];
|
|---|
| 39 | } GMMSHAREDMODULEPERVM;
|
|---|
| 40 | /** Pointer to a GMMSHAREDMODULEPERVM. */
|
|---|
| 41 | typedef GMMSHAREDMODULEPERVM *PGMMSHAREDMODULEPERVM;
|
|---|
| 42 |
|
|---|
| 43 |
|
|---|
| 44 | /** Pointer to a GMM allocation chunk. */
|
|---|
| 45 | typedef struct GMMCHUNK *PGMMCHUNK;
|
|---|
| 46 |
|
|---|
| 47 |
|
|---|
| 48 | /** The GMMCHUNK::cFree shift count employed by gmmR0SelectFreeSetList. */
|
|---|
| 49 | #define GMM_CHUNK_FREE_SET_SHIFT 4
|
|---|
| 50 | /** Index of the list containing completely unused chunks.
|
|---|
| 51 | * The code ASSUMES this is the last list. */
|
|---|
| 52 | #define GMM_CHUNK_FREE_SET_UNUSED_LIST (GMM_CHUNK_NUM_PAGES >> GMM_CHUNK_FREE_SET_SHIFT)
|
|---|
| 53 |
|
|---|
| 54 | /**
|
|---|
| 55 | * A set of free chunks.
|
|---|
| 56 | */
|
|---|
| 57 | typedef struct GMMCHUNKFREESET
|
|---|
| 58 | {
|
|---|
| 59 | /** The number of free pages in the set. */
|
|---|
| 60 | uint64_t cFreePages;
|
|---|
| 61 | /** The generation ID for the set. This is incremented whenever
|
|---|
| 62 | * something is linked or unlinked from this set. */
|
|---|
| 63 | uint64_t idGeneration;
|
|---|
| 64 | /** Chunks ordered by increasing number of free pages.
|
|---|
| 65 | * In the final list the chunks are completely unused. */
|
|---|
| 66 | PGMMCHUNK apLists[GMM_CHUNK_FREE_SET_UNUSED_LIST + 1];
|
|---|
| 67 | } GMMCHUNKFREESET;
|
|---|
| 68 |
|
|---|
| 69 |
|
|---|
| 70 |
|
|---|
| 71 | /**
|
|---|
| 72 | * The per-VM GMM data.
|
|---|
| 73 | */
|
|---|
| 74 | typedef struct GMMPERVM
|
|---|
| 75 | {
|
|---|
| 76 | /** Free set for use in bound mode. */
|
|---|
| 77 | GMMCHUNKFREESET Private;
|
|---|
| 78 | /** The VM statistics. */
|
|---|
| 79 | GMMVMSTATS Stats;
|
|---|
| 80 | /** Shared module tree (per-vm). */
|
|---|
| 81 | PAVLGCPTRNODECORE pSharedModuleTree;
|
|---|
| 82 | /** Hints at the last chunk we allocated some memory from. */
|
|---|
| 83 | uint32_t idLastChunkHint;
|
|---|
| 84 | } GMMPERVM;
|
|---|
| 85 | /** Pointer to the per-VM GMM data. */
|
|---|
| 86 | typedef GMMPERVM *PGMMPERVM;
|
|---|
| 87 |
|
|---|
| 88 | #endif
|
|---|
| 89 |
|
|---|
