/* $Id: GuestControlSvc.h 60622 2016-04-21 13:00:20Z vboxsync $ */ /** @file * Guest control service - Common header for host service and guest clients. */ /* * Copyright (C) 2011-2016 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. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. */ #ifndef ___VBox_HostService_GuestControlService_h #define ___VBox_HostService_GuestControlService_h #include #include #include #include #include #include #include /* Everything defined in this file lives in this namespace. */ namespace guestControl { /****************************************************************************** * Typedefs, constants and inlines * ******************************************************************************/ #define HGCMSERVICE_NAME "VBoxGuestControlSvc" /** Maximum number of concurrent guest sessions a VM can have. */ #define VBOX_GUESTCTRL_MAX_SESSIONS 32 /** Maximum number of concurrent guest objects (processes, files, ...) * a guest session can have. */ #define VBOX_GUESTCTRL_MAX_OBJECTS _2K /** Maximum of callback contexts a guest process can have. */ #define VBOX_GUESTCTRL_MAX_CONTEXTS _64K /** Base (start) of guest control session IDs. Session * ID 0 is reserved for the root process which * hosts all other guest session processes. */ #define VBOX_GUESTCTRL_SESSION_ID_BASE 1 /** Builds a context ID out of the session ID, object ID and an * increasing count. */ #define VBOX_GUESTCTRL_CONTEXTID_MAKE(uSession, uObject, uCount) \ ( (uint32_t)((uSession) & 0x1f) << 27 \ | (uint32_t)((uObject) & 0x7ff) << 16 \ | (uint32_t)((uCount) & 0xffff) \ ) /** Creates a context ID out of a session ID. */ #define VBOX_GUESTCTRL_CONTEXTID_MAKE_SESSION(uSession) \ ((uint32_t)((uSession) & 0x1f) << 27) /** Gets the session ID out of a context ID. */ #define VBOX_GUESTCTRL_CONTEXTID_GET_SESSION(uContextID) \ (((uContextID) >> 27) & 0x1f) /** Gets the process ID out of a context ID. */ #define VBOX_GUESTCTRL_CONTEXTID_GET_OBJECT(uContextID) \ (((uContextID) >> 16) & 0x7ff) /** Gets the context count of a process out of a context ID. */ #define VBOX_GUESTCTRL_CONTEXTID_GET_COUNT(uContextID) \ ((uContextID) & 0xffff) /** Filter context IDs by session. Can be used in conjunction * with VbglR3GuestCtrlMsgFilterSet(). */ #define VBOX_GUESTCTRL_FILTER_BY_SESSION(uSession) \ (VBOX_GUESTCTRL_CONTEXTID_MAKE_SESSION(uSession) | 0xF8000000) /** * Structure keeping the context of a host callback. */ typedef struct VBoxGuestCtrlHostCbCtx { /** HGCM Function number. */ uint32_t uFunction; /** The context ID. */ uint32_t uContextID; /** Protocol version of this guest session. Might * be 0 if not supported. */ uint32_t uProtocol; } VBOXGUESTCTRLHOSTCBCTX, *PVBOXGUESTCTRLHOSTCBCTX; /** * Structure for low level HGCM host callback from * the guest. No deep copy. */ typedef struct VBoxGuestCtrlHostCallback { VBoxGuestCtrlHostCallback(uint32_t cParms, VBOXHGCMSVCPARM paParms[]) : mParms(cParms), mpaParms(paParms) { } /** Number of HGCM parameters. */ uint32_t mParms; /** Actual HGCM parameters. */ PVBOXHGCMSVCPARM mpaParms; } VBOXGUESTCTRLHOSTCALLBACK, *PVBOXGUESTCTRLHOSTCALLBACK; /** * The service functions which are callable by host. */ enum eHostFn { /** * The host asks the client to cancel all pending waits and exit. */ HOST_CANCEL_PENDING_WAITS = 0, /** * The host wants to create a guest session. */ HOST_SESSION_CREATE = 20, /** * The host wants to close a guest session. */ HOST_SESSION_CLOSE = 21, /** * The host wants to execute something in the guest. This can be a command line * or starting a program. ** Note: Legacy (VBox < 4.3) command. */ HOST_EXEC_CMD = 100, /** * Sends input data for stdin to a running process executed by HOST_EXEC_CMD. ** Note: Legacy (VBox < 4.3) command. */ HOST_EXEC_SET_INPUT = 101, /** * Gets the current status of a running process, e.g. * new data on stdout/stderr, process terminated etc. ** Note: Legacy (VBox < 4.3) command. */ HOST_EXEC_GET_OUTPUT = 102, /** * Terminates a running guest process. */ HOST_EXEC_TERMINATE = 110, /** * Waits for a certain event to happen. This can be an input, output * or status event. */ HOST_EXEC_WAIT_FOR = 120, /** * Opens a guest file. */ HOST_FILE_OPEN = 240, /** * Closes a guest file. */ HOST_FILE_CLOSE = 241, /** * Reads from an opened guest file. */ HOST_FILE_READ = 250, /** * Reads from an opened guest file at * a specified offset. */ HOST_FILE_READ_AT = 251, /** * Write to an opened guest file. */ HOST_FILE_WRITE = 260, /** * Write to an opened guest file at * a specified offset. */ HOST_FILE_WRITE_AT = 261, /** * Changes the read & write position of an opened guest file. */ HOST_FILE_SEEK = 270, /** * Gets the current file position of an opened guest file. */ HOST_FILE_TELL = 271, /** * Removes a directory on the guest. */ HOST_DIR_REMOVE = 320, /** * Renames a path on the guest. */ HOST_PATH_RENAME = 330 }; /** * The service functions which are called by guest. The numbers may not change, * so we hardcode them. */ enum eGuestFn { /** * Guest waits for a new message the host wants to process on the guest side. * This is a blocking call and can be deferred. */ GUEST_MSG_WAIT = 1, /** * Guest asks the host to cancel all pending waits the guest itself waits on. * This becomes necessary when the guest wants to quit but still waits for * commands from the host. */ GUEST_CANCEL_PENDING_WAITS = 2, /** * Guest disconnected (terminated normally or due to a crash HGCM * detected when calling service::clientDisconnect(). */ GUEST_DISCONNECTED = 3, /** * Sets a message filter to only get messages which have a certain * context ID scheme (that is, a specific session, object etc). * Since VBox 4.3+. */ GUEST_MSG_FILTER_SET = 4, /** * Unsets (and resets) a previously set message filter. */ GUEST_MSG_FILTER_UNSET = 5, /** * Skips the current assigned message returned by GUEST_MSG_WAIT. * Needed for telling the host service to not keep stale * host commands in the queue. */ GUEST_MSG_SKIP = 10, /** * General reply to a host message. Only contains basic data * along with a simple payload. */ GUEST_MSG_REPLY = 11, /** * General message for updating a pending progress for * a long task. */ GUEST_MSG_PROGRESS_UPDATE = 12, /** * Guest reports back a guest session status. */ GUEST_SESSION_NOTIFY = 20, /** * Guest wants to close a specific guest session. */ GUEST_SESSION_CLOSE = 21, /** * Guests sends output from an executed process. */ GUEST_EXEC_OUTPUT = 100, /** * Guest sends a status update of an executed process to the host. */ GUEST_EXEC_STATUS = 101, /** * Guests sends an input status notification to the host. */ GUEST_EXEC_INPUT_STATUS = 102, /** * Guest notifies the host about some I/O event. This can be * a stdout, stderr or a stdin event. The actual event only tells * how many data is available / can be sent without actually * transmitting the data. */ GUEST_EXEC_IO_NOTIFY = 210, /** * Guest notifies the host about some directory event. */ GUEST_DIR_NOTIFY = 230, /** * Guest notifies the host about some file event. */ GUEST_FILE_NOTIFY = 240 }; /** * Guest session notification types. * @sa HGCMMsgSessionNotify. */ enum GUEST_SESSION_NOTIFYTYPE { GUEST_SESSION_NOTIFYTYPE_UNDEFINED = 0, /** Something went wrong (see rc). */ GUEST_SESSION_NOTIFYTYPE_ERROR = 1, /** Guest session has been started. */ GUEST_SESSION_NOTIFYTYPE_STARTED = 11, /** Guest session terminated normally. */ GUEST_SESSION_NOTIFYTYPE_TEN = 20, /** Guest session terminated via signal. */ GUEST_SESSION_NOTIFYTYPE_TES = 30, /** Guest session terminated abnormally. */ GUEST_SESSION_NOTIFYTYPE_TEA = 40, /** Guest session timed out and was killed. */ GUEST_SESSION_NOTIFYTYPE_TOK = 50, /** Guest session timed out and was not killed successfully. */ GUEST_SESSION_NOTIFYTYPE_TOA = 60, /** Service/OS is stopping, process was killed. */ GUEST_SESSION_NOTIFYTYPE_DWN = 150 }; /** * Guest directory notification types. * @sa HGCMMsgDirNotify. */ enum GUEST_DIR_NOTIFYTYPE { GUEST_DIR_NOTIFYTYPE_UNKNOWN = 0, /** Something went wrong (see rc). */ GUEST_DIR_NOTIFYTYPE_ERROR = 1, /** Guest directory opened. */ GUEST_DIR_NOTIFYTYPE_OPEN = 10, /** Guest directory closed. */ GUEST_DIR_NOTIFYTYPE_CLOSE = 20, /** Information about an open guest directory. */ GUEST_DIR_NOTIFYTYPE_INFO = 40, /** Guest directory created. */ GUEST_DIR_NOTIFYTYPE_CREATE = 70, /** Guest directory deleted. */ GUEST_DIR_NOTIFYTYPE_REMOVE = 80 }; /** * Guest file notification types. * @sa HGCMMsgFileNotify. */ enum GUEST_FILE_NOTIFYTYPE { GUEST_FILE_NOTIFYTYPE_UNKNOWN = 0, GUEST_FILE_NOTIFYTYPE_ERROR = 1, GUEST_FILE_NOTIFYTYPE_OPEN = 10, GUEST_FILE_NOTIFYTYPE_CLOSE = 20, GUEST_FILE_NOTIFYTYPE_READ = 30, GUEST_FILE_NOTIFYTYPE_WRITE = 40, GUEST_FILE_NOTIFYTYPE_SEEK = 50, GUEST_FILE_NOTIFYTYPE_TELL = 60 }; /** * Guest file seeking types. Has to * match FileSeekType in Main. */ enum GUEST_FILE_SEEKTYPE { GUEST_FILE_SEEKTYPE_BEGIN = 1, GUEST_FILE_SEEKTYPE_CURRENT = 4, GUEST_FILE_SEEKTYPE_END = 8 }; /* * HGCM parameter structures. */ #pragma pack (1) /** * Waits for a host command to arrive. The structure then contains the * actual message type + required number of parameters needed to successfully * retrieve that host command (in a next round). */ typedef struct HGCMMsgCmdWaitFor { VBoxGuestHGCMCallInfo hdr; /** * The returned command the host wants to * run on the guest. */ HGCMFunctionParameter msg; /* OUT uint32_t */ /** Number of parameters the message needs. */ HGCMFunctionParameter num_parms; /* OUT uint32_t */ } HGCMMsgCmdWaitFor; /** * Asks the guest control host service to set a command * filter for this client. This filter will then only * deliver messages to the client which match the * wanted context ID (ranges). */ typedef struct HGCMMsgCmdFilterSet { VBoxGuestHGCMCallInfo hdr; /** Value to filter for after filter mask * was applied. */ HGCMFunctionParameter value; /* IN uint32_t */ /** Mask to add to the current set filter. */ HGCMFunctionParameter mask_add; /* IN uint32_t */ /** Mask to remove from the current set filter. */ HGCMFunctionParameter mask_remove; /* IN uint32_t */ /** Filter flags; currently unused. */ HGCMFunctionParameter flags; /* IN uint32_t */ } HGCMMsgCmdFilterSet; /** * Asks the guest control host service to disable * a previously set message filter again. */ typedef struct HGCMMsgCmdFilterUnset { VBoxGuestHGCMCallInfo hdr; /** Unset flags; currently unused. */ HGCMFunctionParameter flags; /* IN uint32_t */ } HGCMMsgCmdFilterUnset; /** * Asks the guest control host service to skip the * currently assigned host command returned by * VbglR3GuestCtrlMsgWaitFor(). */ typedef struct HGCMMsgCmdSkip { VBoxGuestHGCMCallInfo hdr; /** Skip flags; currently unused. */ HGCMFunctionParameter flags; /* IN uint32_t */ } HGCMMsgCmdSkip; /** * Asks the guest control host service to cancel all pending (outstanding) * waits which were not processed yet. This is handy for a graceful shutdown. */ typedef struct HGCMMsgCancelPendingWaits { VBoxGuestHGCMCallInfo hdr; } HGCMMsgCancelPendingWaits; typedef struct HGCMMsgCmdReply { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** Message type. */ HGCMFunctionParameter type; /** IPRT result of overall operation. */ HGCMFunctionParameter rc; /** Optional payload to this reply. */ HGCMFunctionParameter payload; } HGCMMsgCmdReply; /** * Creates a guest session. */ typedef struct HGCMMsgSessionOpen { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** The guest control protocol version this * session is about to use. */ HGCMFunctionParameter protocol; /** The user name to run the guest session under. */ HGCMFunctionParameter username; /** The user's password. */ HGCMFunctionParameter password; /** The domain to run the guest session under. */ HGCMFunctionParameter domain; /** Session creation flags. */ HGCMFunctionParameter flags; } HGCMMsgSessionOpen; /** * Terminates (closes) a guest session. */ typedef struct HGCMMsgSessionClose { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** Session termination flags. */ HGCMFunctionParameter flags; } HGCMMsgSessionClose; /** * Reports back a guest session's status. */ typedef struct HGCMMsgSessionNotify { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** Notification type. */ HGCMFunctionParameter type; /** Notification result. */ HGCMFunctionParameter result; } HGCMMsgSessionNotify; typedef struct HGCMMsgPathRename { VBoxGuestHGCMCallInfo hdr; /** UInt32: Context ID. */ HGCMFunctionParameter context; /** Source to rename. */ HGCMFunctionParameter source; /** Destination to rename source to. */ HGCMFunctionParameter dest; /** UInt32: Rename flags. */ HGCMFunctionParameter flags; } HGCMMsgPathRename; /** * Executes a command inside the guest. */ typedef struct HGCMMsgProcExec { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** The command to execute on the guest. */ HGCMFunctionParameter cmd; /** Execution flags (see IGuest::ProcessCreateFlag_*). */ HGCMFunctionParameter flags; /** Number of arguments. */ HGCMFunctionParameter num_args; /** The actual arguments. */ HGCMFunctionParameter args; /** Number of environment value pairs. */ HGCMFunctionParameter num_env; /** Size (in bytes) of environment block, including terminating zeros. */ HGCMFunctionParameter cb_env; /** The actual environment block. */ HGCMFunctionParameter env; union { struct { /** The user name to run the executed command under. * Only for VBox < 4.3 hosts. */ HGCMFunctionParameter username; /** The user's password. * Only for VBox < 4.3 hosts. */ HGCMFunctionParameter password; /** Timeout (in msec) which either specifies the * overall lifetime of the process or how long it * can take to bring the process up and running - * (depends on the IGuest::ProcessCreateFlag_*). */ HGCMFunctionParameter timeout; } v1; struct { /** Timeout (in ms) which either specifies the * overall lifetime of the process or how long it * can take to bring the process up and running - * (depends on the IGuest::ProcessCreateFlag_*). */ HGCMFunctionParameter timeout; /** Process priority. */ HGCMFunctionParameter priority; /** Number of process affinity blocks. */ HGCMFunctionParameter num_affinity; /** Pointer to process affinity blocks (uint64_t). */ HGCMFunctionParameter affinity; } v2; } u; } HGCMMsgProcExec; /** * Sends input to a guest process via stdin. */ typedef struct HGCMMsgProcInput { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** The process ID (PID) to send the input to. */ HGCMFunctionParameter pid; /** Input flags (see IGuest::ProcessInputFlag_*). */ HGCMFunctionParameter flags; /** Data buffer. */ HGCMFunctionParameter data; /** Actual size of data (in bytes). */ HGCMFunctionParameter size; } HGCMMsgProcInput; /** * Retrieves ouptut from a previously executed process * from stdout/stderr. */ typedef struct HGCMMsgProcOutput { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** The process ID (PID). */ HGCMFunctionParameter pid; /** The pipe handle ID (stdout/stderr). */ HGCMFunctionParameter handle; /** Optional flags. */ HGCMFunctionParameter flags; /** Data buffer. */ HGCMFunctionParameter data; } HGCMMsgProcOutput; /** * Reports the current status of a guest process. */ typedef struct HGCMMsgProcStatus { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** The process ID (PID). */ HGCMFunctionParameter pid; /** The process status. */ HGCMFunctionParameter status; /** Optional flags (based on status). */ HGCMFunctionParameter flags; /** Optional data buffer (not used atm). */ HGCMFunctionParameter data; } HGCMMsgProcStatus; /** * Reports back the status of data written to a process. */ typedef struct HGCMMsgProcStatusInput { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** The process ID (PID). */ HGCMFunctionParameter pid; /** Status of the operation. */ HGCMFunctionParameter status; /** Optional flags. */ HGCMFunctionParameter flags; /** Data written. */ HGCMFunctionParameter written; } HGCMMsgProcStatusInput; /* * Guest control 2.0 messages. */ /** * Terminates a guest process. */ typedef struct HGCMMsgProcTerminate { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** The process ID (PID). */ HGCMFunctionParameter pid; } HGCMMsgProcTerminate; /** * Waits for certain events to happen. */ typedef struct HGCMMsgProcWaitFor { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** The process ID (PID). */ HGCMFunctionParameter pid; /** Wait (event) flags. */ HGCMFunctionParameter flags; /** Timeout (in ms). */ HGCMFunctionParameter timeout; } HGCMMsgProcWaitFor; typedef struct HGCMMsgDirRemove { VBoxGuestHGCMCallInfo hdr; /** UInt32: Context ID. */ HGCMFunctionParameter context; /** Directory to remove. */ HGCMFunctionParameter path; /** UInt32: Removement flags. */ HGCMFunctionParameter flags; } HGCMMsgDirRemove; /** * Opens a guest file. */ typedef struct HGCMMsgFileOpen { VBoxGuestHGCMCallInfo hdr; /** UInt32: Context ID. */ HGCMFunctionParameter context; /** File to open. */ HGCMFunctionParameter filename; /** Open mode. */ HGCMFunctionParameter openmode; /** Disposition mode. */ HGCMFunctionParameter disposition; /** Sharing mode. */ HGCMFunctionParameter sharing; /** UInt32: Creation mode. */ HGCMFunctionParameter creationmode; /** UInt64: Initial offset. */ HGCMFunctionParameter offset; } HGCMMsgFileOpen; /** * Closes a guest file. */ typedef struct HGCMMsgFileClose { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** File handle to close. */ HGCMFunctionParameter handle; } HGCMMsgFileClose; /** * Reads from a guest file. */ typedef struct HGCMMsgFileRead { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** File handle to read from. */ HGCMFunctionParameter handle; /** Size (in bytes) to read. */ HGCMFunctionParameter size; } HGCMMsgFileRead; /** * Reads at a specified offset from a guest file. */ typedef struct HGCMMsgFileReadAt { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** File handle to read from. */ HGCMFunctionParameter handle; /** Offset where to start reading from. */ HGCMFunctionParameter offset; /** Actual size of data (in bytes). */ HGCMFunctionParameter size; } HGCMMsgFileReadAt; /** * Writes to a guest file. */ typedef struct HGCMMsgFileWrite { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** File handle to write to. */ HGCMFunctionParameter handle; /** Actual size of data (in bytes). */ HGCMFunctionParameter size; /** Data buffer to write to the file. */ HGCMFunctionParameter data; } HGCMMsgFileWrite; /** * Writes at a specified offset to a guest file. */ typedef struct HGCMMsgFileWriteAt { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** File handle to write to. */ HGCMFunctionParameter handle; /** Offset where to start reading from. */ HGCMFunctionParameter offset; /** Actual size of data (in bytes). */ HGCMFunctionParameter size; /** Data buffer to write to the file. */ HGCMFunctionParameter data; } HGCMMsgFileWriteAt; /** * Seeks the read/write position of a guest file. */ typedef struct HGCMMsgFileSeek { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** File handle to seek. */ HGCMFunctionParameter handle; /** The seeking method. */ HGCMFunctionParameter method; /** The seeking offset. */ HGCMFunctionParameter offset; } HGCMMsgFileSeek; /** * Tells the current read/write position of a guest file. */ typedef struct HGCMMsgFileTell { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** File handle to get the current position for. */ HGCMFunctionParameter handle; } HGCMMsgFileTell; /****************************************************************************** * HGCM replies from the guest. These are handled in Main's low-level HGCM * * callbacks and dispatched to the appropriate guest object. * ******************************************************************************/ typedef struct HGCMReplyFileNotify { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** Notification type. */ HGCMFunctionParameter type; /** IPRT result of overall operation. */ HGCMFunctionParameter rc; union { struct { /** Guest file handle. */ HGCMFunctionParameter handle; } open; /** Note: Close does not have any additional data (yet). */ struct { /** Actual data read (if any). */ HGCMFunctionParameter data; } read; struct { /** How much data (in bytes) have been successfully written. */ HGCMFunctionParameter written; } write; struct { HGCMFunctionParameter offset; } seek; struct { HGCMFunctionParameter offset; } tell; } u; } HGCMReplyFileNotify; typedef struct HGCMReplyDirNotify { VBoxGuestHGCMCallInfo hdr; /** Context ID. */ HGCMFunctionParameter context; /** Notification type. */ HGCMFunctionParameter type; /** IPRT result of overall operation. */ HGCMFunctionParameter rc; union { struct { /** Directory information. */ HGCMFunctionParameter objInfo; } info; struct { /** Guest directory handle. */ HGCMFunctionParameter handle; } open; struct { /** Current read directory entry. */ HGCMFunctionParameter entry; /** Extended entry object information. Optional. */ HGCMFunctionParameter objInfo; } read; } u; } HGCMReplyDirNotify; #pragma pack () /****************************************************************************** * Callback data structures. * ******************************************************************************/ /** * The guest control callback data header. Must come first * on each callback structure defined below this struct. */ typedef struct CALLBACKDATA_HEADER { /** Context ID to identify callback data. This is * and *must* be the very first parameter in this * structure to still be backwards compatible. */ uint32_t uContextID; } CALLBACKDATA_HEADER, *PCALLBACKDATA_HEADER; /* * These structures make up the actual low level HGCM callback data sent from * the guest back to the host. */ typedef struct CALLBACKDATA_CLIENT_DISCONNECTED { /** Callback data header. */ CALLBACKDATA_HEADER hdr; } CALLBACKDATA_CLIENT_DISCONNECTED, *PCALLBACKDATA_CLIENT_DISCONNECTED; typedef struct CALLBACKDATA_MSG_REPLY { /** Callback data header. */ CALLBACKDATA_HEADER hdr; /** Notification type. */ uint32_t uType; /** Notification result. Note: int vs. uint32! */ uint32_t rc; /** Pointer to optional payload. */ void *pvPayload; /** Payload size (in bytes). */ uint32_t cbPayload; } CALLBACKDATA_MSG_REPLY, *PCALLBACKDATA_MSG_REPLY; typedef struct CALLBACKDATA_SESSION_NOTIFY { /** Callback data header. */ CALLBACKDATA_HEADER hdr; /** Notification type. */ uint32_t uType; /** Notification result. Note: int vs. uint32! */ uint32_t uResult; } CALLBACKDATA_SESSION_NOTIFY, *PCALLBACKDATA_SESSION_NOTIFY; typedef struct CALLBACKDATA_PROC_STATUS { /** Callback data header. */ CALLBACKDATA_HEADER hdr; /** The process ID (PID). */ uint32_t uPID; /** The process status. */ uint32_t uStatus; /** Optional flags, varies, based on u32Status. */ uint32_t uFlags; /** Optional data buffer (not used atm). */ void *pvData; /** Size of optional data buffer (not used atm). */ uint32_t cbData; } CALLBACKDATA_PROC_STATUS, *PCALLBACKDATA_PROC_STATUS; typedef struct CALLBACKDATA_PROC_OUTPUT { /** Callback data header. */ CALLBACKDATA_HEADER hdr; /** The process ID (PID). */ uint32_t uPID; /** The handle ID (stdout/stderr). */ uint32_t uHandle; /** Optional flags (not used atm). */ uint32_t uFlags; /** Optional data buffer. */ void *pvData; /** Size (in bytes) of optional data buffer. */ uint32_t cbData; } CALLBACKDATA_PROC_OUTPUT, *PCALLBACKDATA_PROC_OUTPUT; typedef struct CALLBACKDATA_PROC_INPUT { /** Callback data header. */ CALLBACKDATA_HEADER hdr; /** The process ID (PID). */ uint32_t uPID; /** Current input status. */ uint32_t uStatus; /** Optional flags. */ uint32_t uFlags; /** Size (in bytes) of processed input data. */ uint32_t uProcessed; } CALLBACKDATA_PROC_INPUT, *PCALLBACKDATA_PROC_INPUT; /** * General guest directory notification callback. */ typedef struct CALLBACKDATA_DIR_NOTIFY { /** Callback data header. */ CALLBACKDATA_HEADER hdr; /** Notification type. */ uint32_t uType; /** IPRT result of overall operation. */ uint32_t rc; union { struct { /** Size (in bytes) of directory information. */ uint32_t cbObjInfo; /** Pointer to directory information. */ void *pvObjInfo; } info; struct { /** Guest directory handle. */ uint32_t uHandle; } open; /** Note: Close does not have any additional data (yet). */ struct { /** Size (in bytes) of directory entry information. */ uint32_t cbEntry; /** Pointer to directory entry information. */ void *pvEntry; /** Size (in bytes) of directory entry object information. */ uint32_t cbObjInfo; /** Pointer to directory entry object information. */ void *pvObjInfo; } read; } u; } CALLBACKDATA_DIR_NOTIFY, *PCALLBACKDATA_DIR_NOTIFY; /** * General guest file notification callback. */ typedef struct CALLBACKDATA_FILE_NOTIFY { /** Callback data header. */ CALLBACKDATA_HEADER hdr; /** Notification type. */ uint32_t uType; /** IPRT result of overall operation. */ uint32_t rc; union { struct { /** Guest file handle. */ uint32_t uHandle; } open; /** Note: Close does not have any additional data (yet). */ struct { /** How much data (in bytes) have been read. */ uint32_t cbData; /** Actual data read (if any). */ void *pvData; } read; struct { /** How much data (in bytes) have been successfully written. */ uint32_t cbWritten; } write; struct { /** New file offset after successful seek. */ uint64_t uOffActual; } seek; struct { /** New file offset after successful tell. */ uint64_t uOffActual; } tell; } u; } CALLBACKDATA_FILE_NOTIFY, *PCALLBACKDATA_FILE_NOTIFY; } /* namespace guestControl */ #endif /* !___VBox_HostService_GuestControlService_h */