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/*********************************************************
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* Copyright (C) 1998 VMware, Inc. All rights reserved.
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* The contents of this file are subject to the terms of the Common
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* Development and Distribution License (the "License") version 1.0
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* and no later version. You may not use this file except in
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* compliance with the License.
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* You can obtain a copy of the License at
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* http://www.opensource.org/licenses/cddl1.php
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*********************************************************/
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* Second layer of the internal communication channel between guest
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* applications and vmware
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#ifndef _GUEST_MSG_DEF_H_
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#define _GUEST_MSG_DEF_H_
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#define INCLUDE_ALLOW_MODULE
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#define INCLUDE_ALLOW_USERLEVEL
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#define INCLUDE_ALLOW_VMMEXT
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#include "includeCheck.h"
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/* Basic request types */
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MESSAGE_TYPE_SENDSIZE,
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MESSAGE_TYPE_SENDPAYLOAD,
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MESSAGE_TYPE_RECVSIZE,
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MESSAGE_TYPE_RECVPAYLOAD,
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MESSAGE_TYPE_RECVSTATUS,
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/* The basic request succeeded */
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#define MESSAGE_STATUS_SUCCESS 0x0001
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/* vmware has a message available for its party */
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#define MESSAGE_STATUS_DORECV 0x0002
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/* The channel has been closed */
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#define MESSAGE_STATUS_CLOSED 0x0004
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/* vmware removed the message before the party fetched it */
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#define MESSAGE_STATUS_UNSENT 0x0008
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/* A checkpoint occurred */
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#define MESSAGE_STATUS_CPT 0x0010
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/* An underlying device is powering off */
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#define MESSAGE_STATUS_POWEROFF 0x0020
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/* vmware has detected a timeout on the channel */
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#define MESSAGE_STATUS_TIMEOUT 0x0040
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/* vmware supports high-bandwidth for sending and receiving the payload */
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#define MESSAGE_STATUS_HB 0x0080
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* This mask defines the status bits that the guest is allowed to set;
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* we use this to mask out all other bits when receiving the status
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* from the guest. Otherwise, the guest can manipulate VMX state by
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* setting status bits that are only supposed to be changed by the
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#define MESSAGE_STATUS_GUEST_MASK MESSAGE_STATUS_SUCCESS
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* Max number of channels.
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* Unfortunately this has to be public because the monitor part
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* of the backdoor needs it for its trivial-case optimization. [greg]
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#define GUESTMSG_MAX_CHANNEL 8
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/* Flags to open a channel. --hpreg */
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#define GUESTMSG_FLAG_COOKIE 0x80000000
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#define GUESTMSG_FLAG_ALL GUESTMSG_FLAG_COOKIE
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* Maximum size of incoming message. This is to prevent denial of host service
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* attacks from guest applications.
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#define GUESTMSG_MAX_IN_SIZE (64 * 1024)
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#endif /* _GUEST_MSG_DEF_H_ */
added
removed
modules/solaris/vmhgfs/guest_msg_def.h
