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/*********************************************************
* Copyright (C) 2010 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 and no later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*********************************************************/
/*
* channel.h --
*/
#ifndef _HGFS_CHANNEL_H_
#define _HGFS_CHANNEL__H_
#include "hgfs_kernel.h"
#include "requestInt.h"
/*
* There are the operations a channel should implement.
*/
struct HgfsTransportChannel;
typedef struct HgfsTransportChannelOps {
Bool (*open)(struct HgfsTransportChannel *);
void (*close)(struct HgfsTransportChannel *);
HgfsKReqObject* (*allocate)(size_t payloadSize, int flags);
int (*send)(struct HgfsTransportChannel *, HgfsKReqObject *);
void (*free)(HgfsKReqObject *, size_t payloadSize);
} HgfsTransportChannelOps;
typedef enum {
HGFS_CHANNEL_UNINITIALIZED,
HGFS_CHANNEL_NOTCONNECTED,
HGFS_CHANNEL_CONNECTED,
HGFS_CHANNEL_DEAD, /* Error has been detected, need to shut it down. */
} HgfsChannelStatus;
typedef struct HgfsTransportChannel {
const char *name; /* Channel name. */
HgfsTransportChannelOps ops; /* Channel ops. */
HgfsChannelStatus status; /* Connection status. */
void *priv; /* Channel private data. */
} HgfsTransportChannel;
HgfsTransportChannel *HgfsGetBdChannel(void);
HgfsTransportChannel *HgfsGetVmciChannel(void);
Bool HgfsSetupNewChannel(void);
extern HgfsTransportChannel *gHgfsChannel;
#endif // _HGFS_CHANNEL_H_
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