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/* @file
*
* Host Channel
*/
/*
* Copyright (C) 2012 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 __VBOXHOSTCHANNEL__H
#define __VBOXHOSTCHANNEL__H
#include <iprt/list.h>
#define LOG_GROUP LOG_GROUP_HGCM
#include <VBox/log.h>
#include <VBox/HostServices/VBoxHostChannel.h>
#define HOSTCHLOG Log
#ifdef DEBUG_sunlover
# undef HOSTCHLOG
# define HOSTCHLOG LogRel
#endif /* DEBUG_sunlover */
struct VBOXHOSTCHCTX;
typedef struct VBOXHOSTCHCTX VBOXHOSTCHCTX;
typedef struct VBOXHOSTCHCLIENT
{
RTLISTNODE nodeClient;
VBOXHOSTCHCTX *pCtx;
uint32_t u32ClientID;
RTLISTANCHOR listChannels;
uint32_t volatile u32HandleSrc;
RTLISTANCHOR listContexts; /* Callback contexts. */
RTLISTANCHOR listEvents;
bool fAsync; /* Guest is waiting for a message. */
struct {
VBOXHGCMCALLHANDLE callHandle;
VBOXHGCMSVCPARM *paParms;
} async;
} VBOXHOSTCHCLIENT;
/*
* The service functions. Locking is between the service thread and the host channel provider thread.
*/
int vboxHostChannelLock(void);
void vboxHostChannelUnlock(void);
int vboxHostChannelInit(void);
void vboxHostChannelDestroy(void);
int vboxHostChannelClientConnect(VBOXHOSTCHCLIENT *pClient);
void vboxHostChannelClientDisconnect(VBOXHOSTCHCLIENT *pClient);
int vboxHostChannelAttach(VBOXHOSTCHCLIENT *pClient,
uint32_t *pu32Handle,
const char *pszName,
uint32_t u32Flags);
int vboxHostChannelDetach(VBOXHOSTCHCLIENT *pClient,
uint32_t u32Handle);
int vboxHostChannelSend(VBOXHOSTCHCLIENT *pClient,
uint32_t u32Handle,
const void *pvData,
uint32_t cbData);
int vboxHostChannelRecv(VBOXHOSTCHCLIENT *pClient,
uint32_t u32Handle,
void *pvData,
uint32_t cbData,
uint32_t *pu32DataReceived,
uint32_t *pu32DataRemaining);
int vboxHostChannelControl(VBOXHOSTCHCLIENT *pClient,
uint32_t u32Handle,
uint32_t u32Code,
void *pvParm,
uint32_t cbParm,
void *pvData,
uint32_t cbData,
uint32_t *pu32SizeDataReturned);
int vboxHostChannelEventWait(VBOXHOSTCHCLIENT *pClient,
bool *pfEvent,
VBOXHGCMCALLHANDLE callHandle,
VBOXHGCMSVCPARM *paParms);
int vboxHostChannelEventCancel(VBOXHOSTCHCLIENT *pClient);
int vboxHostChannelQuery(VBOXHOSTCHCLIENT *pClient,
const char *pszName,
uint32_t u32Code,
void *pvParm,
uint32_t cbParm,
void *pvData,
uint32_t cbData,
uint32_t *pu32SizeDataReturned);
int vboxHostChannelRegister(const char *pszName,
const VBOXHOSTCHANNELINTERFACE *pInterface,
uint32_t cbInterface);
int vboxHostChannelUnregister(const char *pszName);
void vboxHostChannelEventParmsSet(VBOXHGCMSVCPARM *paParms,
uint32_t u32ChannelHandle,
uint32_t u32Id,
const void *pvEvent,
uint32_t cbEvent);
void vboxHostChannelReportAsync(VBOXHOSTCHCLIENT *pClient,
uint32_t u32ChannelHandle,
uint32_t u32Id,
const void *pvEvent,
uint32_t cbEvent);
#endif /* __VBOXHOSTCHANNEL__H */
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