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/* $Id: FTMInternal.h $ */
/** @file
* FTM - Internal header file.
*/
/*
* Copyright (C) 2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef ___FTMInternal_h
#define ___FTMInternal_h
#include <VBox/cdefs.h>
#include <VBox/types.h>
#include <VBox/vmm/ftm.h>
#include <VBox/vmm/stam.h>
#include <VBox/vmm/pdmcritsect.h>
#include <iprt/avl.h>
/** @defgroup grp_ftm_int Internals.
* @ingroup grp_ftm
* @{
*/
/** Physical page tree node. */
typedef struct FTMPHYSPAGETREENODE
{
AVLGCPHYSNODECORE Core;
void *pPage;
} FTMPHYSPAGETREENODE;
/** Pointer to FTMPHYSPAGETREENODE */
typedef FTMPHYSPAGETREENODE *PFTMPHYSPAGETREENODE;
/**
* FTM VM Instance data.
* Changes to this must checked against the padding of the ftm union in VM!
*/
typedef struct FTM
{
/** Address of the standby VM. */
R3PTRTYPE(char *) pszAddress;
/** Password to access the syncing server of the standby VM. */
R3PTRTYPE(char *) pszPassword;
/** Port of the standby VM. */
unsigned uPort;
/** Syncing interval in ms. */
unsigned uInterval;
/** Set when this VM is the standby FT node. */
bool fIsStandbyNode;
/** Set when this master VM is busy with checkpointing. */
bool fCheckpointingActive;
/** Set when VM save/restore should only include changed pages. */
bool fDeltaLoadSaveActive;
/** Fallover to the standby VM. */
bool fActivateStandby;
bool fAlignment[4];
/** Current active socket. */
RTSOCKET hSocket;
/* Shutdown event semaphore. */
RTSEMEVENT hShutdownEvent;
/** State sync. */
struct
{
unsigned uOffStream;
unsigned cbReadBlock;
bool fStopReading;
bool fIOError;
bool fEndOfStream;
bool fAlignment[5];
} syncstate;
struct
{
R3PTRTYPE(PRTTCPSERVER) hServer;
R3PTRTYPE(AVLGCPHYSTREE) pPhysPageTree;
uint64_t u64LastHeartbeat;
} standby;
/*
struct
{
} master;
*/
/** FTM critical section.
* This makes sure only the checkpoint or sync is active
*/
PDMCRITSECT CritSect;
STAMCOUNTER StatReceivedMem;
STAMCOUNTER StatReceivedState;
STAMCOUNTER StatSentMem;
STAMCOUNTER StatSentState;
STAMCOUNTER StatDeltaMem;
STAMCOUNTER StatDeltaVM;
STAMCOUNTER StatFullSync;
STAMCOUNTER StatCheckpointNetwork;
STAMCOUNTER StatCheckpointStorage;
#ifdef VBOX_WITH_STATISTICS
STAMPROFILE StatCheckpoint;
STAMPROFILE StatCheckpointResume;
STAMPROFILE StatCheckpointPause;
STAMCOUNTER StatSentMemRAM;
STAMCOUNTER StatSentMemMMIO2;
STAMCOUNTER StatSentMemShwROM;
STAMCOUNTER StatSentStateWrite;
#endif
} FTM;
AssertCompileMemberAlignment(FTM, CritSect, 8);
/** @} */
#endif
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