| 1 | /* $Id: PGMSharedPage.cpp 28800 2010-04-27 08:22:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * PGM - Page Manager and Monitor, Shared page handling
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2010 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 |
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| 19 | /*******************************************************************************
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| 20 | * Header Files *
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| 21 | *******************************************************************************/
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| 22 | #define LOG_GROUP LOG_GROUP_PGM
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| 23 | #include <VBox/pgm.h>
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| 24 | #include <VBox/stam.h>
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| 25 | #include "PGMInternal.h"
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| 26 | #include <VBox/vm.h>
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| 27 | #include <VBox/sup.h>
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| 28 | #include <VBox/param.h>
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| 29 | #include <VBox/err.h>
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| 30 | #include <VBox/log.h>
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| 31 | #include <iprt/assert.h>
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| 32 | #include <iprt/asm.h>
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| 33 |
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| 34 |
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| 35 | /**
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| 36 | * Registers a new shared module for the VM
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| 37 | *
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| 38 | * @returns VBox status code.
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| 39 | * @param pVM VM handle
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| 40 | * @param pszModuleName Module name
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| 41 | * @param pszVersion Module version
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| 42 | * @param GCBaseAddr Module base address
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| 43 | * @param cbModule Module size
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| 44 | * @param cRegions Number of shared region descriptors
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| 45 | * @param pRegions Shared region(s)
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| 46 | */
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| 47 | VMMR3DECL(int) PGMR3SharedModuleRegister(PVM pVM, char *pszModuleName, char *pszVersion, RTGCPTR GCBaseAddr, uint32_t cbModule,
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| 48 | unsigned cRegions, VMMDEVSHAREDREGIONDESC *pRegions)
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| 49 | {
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| 50 | #ifdef VBOX_WITH_PAGE_SHARING
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| 51 | return GMMR3RegisterSharedModule(pVM, pszModuleName, pszVersion, GCBaseAddr, cbModule, cRegions, pRegions);
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| 52 | #else
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| 53 | return VERR_NOT_IMPLEMENTED;
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| 54 | #endif
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| 55 | }
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| 56 |
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| 57 |
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| 58 | /**
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| 59 | * Unregisters a shared module for the VM
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| 60 | *
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| 61 | * @returns VBox status code.
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| 62 | * @param pVM VM handle
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| 63 | * @param pszModuleName Module name
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| 64 | * @param pszVersion Module version
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| 65 | * @param GCBaseAddr Module base address
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| 66 | * @param cbModule Module size
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| 67 | */
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| 68 | VMMR3DECL(int) PGMR3SharedModuleUnregister(PVM pVM, char *pszModuleName, char *pszVersion, RTGCPTR GCBaseAddr, uint32_t cbModule)
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| 69 | {
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| 70 | #ifdef VBOX_WITH_PAGE_SHARING
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| 71 | return GMMR3UnregisterSharedModule(pVM, pszModuleName, pszVersion, GCBaseAddr, cbModule);
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| 72 | #else
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| 73 | return VERR_NOT_IMPLEMENTED;
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| 74 | #endif
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| 75 | }
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| 76 |
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| 77 |
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| 78 | /**
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| 79 | * Checks regsitered modules for shared pages
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| 80 | *
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| 81 | * @returns VBox status code.
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| 82 | * @param pVM VM handle
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| 83 | */
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| 84 | VMMR3DECL(int) PGMR3SharedModuleCheck(PVM pVM)
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| 85 | {
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| 86 | #ifdef VBOX_WITH_PAGE_SHARING
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| 87 | return GMMR3CheckSharedModules(pVM);
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| 88 | #else
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| 89 | return VERR_NOT_IMPLEMENTED;
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| 90 | #endif
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| 91 | }
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