ExtPack.h@ 97864

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1	/** @file
2	* VirtualBox - Extension Pack Interface.
3	*/
4
5	/*
6	* Copyright (C) 2010-2022 Oracle and/or its affiliates.
7	*
8	* This file is part of VirtualBox base platform packages, as
9	* available from https://www.virtualbox.org.
10	*
11	* This program is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU General Public License
13	* as published by the Free Software Foundation, in version 3 of the
14	* License.
15	*
16	* This program is distributed in the hope that it will be useful, but
17	* WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19	* General Public License for more details.
20	*
21	* You should have received a copy of the GNU General Public License
22	* along with this program; if not, see <https://www.gnu.org/licenses>.
23	*
24	* The contents of this file may alternatively be used under the terms
25	* of the Common Development and Distribution License Version 1.0
26	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27	* in the VirtualBox distribution, in which case the provisions of the
28	* CDDL are applicable instead of those of the GPL.
29	*
30	* You may elect to license modified versions of this file under the
31	* terms and conditions of either the GPL or the CDDL or both.
32	*
33	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34	*/
35
36	#ifndef VBOX_INCLUDED_ExtPack_ExtPack_h
37	#define VBOX_INCLUDED_ExtPack_ExtPack_h
38	#ifndef RT_WITHOUT_PRAGMA_ONCE
39	# pragma once
40	#endif
41
42	#include <VBox/types.h>
43
44	/** @def VBOXEXTPACK_IF_CS
45	* Selects 'class' on 'struct' for interface references.
46	* @param I The interface name
47	*/
48	#if defined(__cplusplus) && !defined(RT_OS_WINDOWS)
49	# define VBOXEXTPACK_IF_CS(I) class I
50	#else
51	# define VBOXEXTPACK_IF_CS(I) struct I
52	#endif
53
54	VBOXEXTPACK_IF_CS(IUnknown);
55	VBOXEXTPACK_IF_CS(IConsole);
56	VBOXEXTPACK_IF_CS(IMachine);
57	VBOXEXTPACK_IF_CS(IVirtualBox);
58	VBOXEXTPACK_IF_CS(IProgress);
59	VBOXEXTPACK_IF_CS(IEvent);
60	VBOXEXTPACK_IF_CS(IVetoEvent);
61	VBOXEXTPACK_IF_CS(IEventSource);
62
63	/**
64	* Module kind for use with VBOXEXTPACKHLP::pfnFindModule.
65	*/
66	typedef enum VBOXEXTPACKMODKIND
67	{
68	/** Zero is invalid as always. */
69	VBOXEXTPACKMODKIND_INVALID = 0,
70	/** Raw-mode context module. */
71	VBOXEXTPACKMODKIND_RC,
72	/** Ring-0 context module. */
73	VBOXEXTPACKMODKIND_R0,
74	/** Ring-3 context module. */
75	VBOXEXTPACKMODKIND_R3,
76	/** End of the valid values (exclusive). */
77	VBOXEXTPACKMODKIND_END,
78	/** The usual 32-bit type hack. */
79	VBOXEXTPACKMODKIND_32BIT_HACK = 0x7fffffff
80	} VBOXEXTPACKMODKIND;
81
82	/**
83	* Contexts returned by VBOXEXTPACKHLP::pfnGetContext.
84	*/
85	typedef enum VBOXEXTPACKCTX
86	{
87	/** Zero is invalid as always. */
88	VBOXEXTPACKCTX_INVALID = 0,
89	/** The per-user daemon process (VBoxSVC). */
90	VBOXEXTPACKCTX_PER_USER_DAEMON,
91	/** A VM process. */
92	VBOXEXTPACKCTX_VM_PROCESS,
93	/** An API client process.
94	* @remarks This will not be returned by VirtualBox yet. */
95	VBOXEXTPACKCTX_CLIENT_PROCESS,
96	/** End of the valid values (exclusive). */
97	VBOXEXTPACKCTX_END,
98	/** The usual 32-bit type hack. */
99	VBOXEXTPACKCTX_32BIT_HACK = 0x7fffffff
100	} VBOXEXTPACKCTX;
101
102
103	/** Pointer to const helpers passed to the VBoxExtPackRegister() call. */
104	typedef const struct VBOXEXTPACKHLP *PCVBOXEXTPACKHLP;
105	/**
106	* Extension pack helpers passed to VBoxExtPackRegister().
107	*
108	* This will be valid until the module is unloaded.
109	*/
110	typedef struct VBOXEXTPACKHLP
111	{
112	/** Interface version.
113	* This is set to VBOXEXTPACKHLP_VERSION. */
114	uint32_t u32Version;
115
116	/** The VirtualBox full version (see VBOX_FULL_VERSION). */
117	uint32_t uVBoxFullVersion;
118	/** The VirtualBox subversion tree revision. */
119	uint32_t uVBoxInternalRevision;
120	/** Explicit alignment padding, must be zero. */
121	uint32_t u32Padding;
122	/** Pointer to the version string (read-only). */
123	const char *pszVBoxVersion;
124
125	/**
126	* Finds a module belonging to this extension pack.
127	*
128	* @returns VBox status code.
129	* @param pHlp Pointer to this helper structure.
130	* @param pszName The module base name.
131	* @param pszExt The extension. If NULL the default ring-3
132	* library extension will be used.
133	* @param enmKind The kind of module to locate.
134	* @param pszFound Where to return the path to the module on
135	* success.
136	* @param cbFound The size of the buffer @a pszFound points to.
137	* @param pfNative Where to return the native/agnostic indicator.
138	*/
139	DECLR3CALLBACKMEMBER(int, pfnFindModule,(PCVBOXEXTPACKHLP pHlp, const char pszName, const char pszExt,
140	VBOXEXTPACKMODKIND enmKind,
141	char pszFound, size_t cbFound, bool pfNative));
142
143	/**
144	* Gets the path to a file belonging to this extension pack.
145	*
146	* @returns VBox status code.
147	* @retval VERR_INVALID_POINTER if any of the pointers are invalid.
148	* @retval VERR_BUFFER_OVERFLOW if the buffer is too small. The buffer
149	* will contain nothing.
150	*
151	* @param pHlp Pointer to this helper structure.
152	* @param pszFilename The filename.
153	* @param pszPath Where to return the path to the file on
154	* success.
155	* @param cbPath The size of the buffer @a pszPath.
156	*/
157	DECLR3CALLBACKMEMBER(int, pfnGetFilePath,(PCVBOXEXTPACKHLP pHlp, const char pszFilename, char pszPath, size_t cbPath));
158
159	/**
160	* Gets the context the extension pack is operating in.
161	*
162	* @returns The context.
163	* @retval VBOXEXTPACKCTX_INVALID if @a pHlp is invalid.
164	*
165	* @param pHlp Pointer to this helper structure.
166	*/
167	DECLR3CALLBACKMEMBER(VBOXEXTPACKCTX, pfnGetContext,(PCVBOXEXTPACKHLP pHlp));
168
169	/**
170	* Loads a HGCM service provided by an extension pack.
171	*
172	* @returns VBox status code.
173	* @param pHlp Pointer to this helper structure.
174	* @param pConsole Pointer to the VM's console object.
175	* @param pszServiceLibrary Name of the library file containing the
176	* service implementation, without extension.
177	* @param pszServiceName Name of HGCM service.
178	*/
179	DECLR3CALLBACKMEMBER(int, pfnLoadHGCMService,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IConsole) *pConsole,
180	const char pszServiceLibrary, const char pszServiceName));
181
182	/**
183	* Loads a VD plugin provided by an extension pack.
184	*
185	* This makes sense only in the context of the per-user service (VBoxSVC).
186	*
187	* @returns VBox status code.
188	* @param pHlp Pointer to this helper structure.
189	* @param pVirtualBox Pointer to the VirtualBox object.
190	* @param pszPluginLibrary Name of the library file containing the plugin
191	* implementation, without extension.
192	*/
193	DECLR3CALLBACKMEMBER(int, pfnLoadVDPlugin,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IVirtualBox) *pVirtualBox,
194	const char *pszPluginLibrary));
195
196	/**
197	* Unloads a VD plugin provided by an extension pack.
198	*
199	* This makes sense only in the context of the per-user service (VBoxSVC).
200	*
201	* @returns VBox status code.
202	* @param pHlp Pointer to this helper structure.
203	* @param pVirtualBox Pointer to the VirtualBox object.
204	* @param pszPluginLibrary Name of the library file containing the plugin
205	* implementation, without extension.
206	*/
207	DECLR3CALLBACKMEMBER(int, pfnUnloadVDPlugin,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IVirtualBox) *pVirtualBox,
208	const char *pszPluginLibrary));
209
210	/**
211	* Creates an IProgress object instance for a long running extension
212	* pack provided API operation which is executed asynchronously.
213	*
214	* This implicitly creates a cancellable progress object, since anything
215	* else is user unfriendly. You need to design your code to handle
216	* cancellation with reasonable response time.
217	*
218	* @returns COM status code.
219	* @param pHlp Pointer to this helper structure.
220	* @param pInitiator Pointer to the initiating object.
221	* @param pcszDescription Description of the overall task.
222	* @param cOperations Number of operations for this task.
223	* @param uTotalOperationsWeight Overall weight for the entire task.
224	* @param pcszFirstOperationDescription Description of the first operation.
225	* @param uFirstOperationWeight Weight for the first operation.
226	* @param ppProgressOut Output parameter for the IProgress object reference.
227	*/
228	DECLR3CALLBACKMEMBER(uint32_t, pfnCreateProgress,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IUnknown) *pInitiator,
229	const char *pcszDescription, uint32_t cOperations,
230	uint32_t uTotalOperationsWeight, const char *pcszFirstOperationDescription,
231	uint32_t uFirstOperationWeight, VBOXEXTPACK_IF_CS(IProgress) **ppProgressOut));
232
233	/**
234	* Checks if the Progress object is marked as canceled.
235	*
236	* @returns COM status code.
237	* @param pHlp Pointer to this helper structure.
238	* @param pProgress Pointer to the IProgress object reference returned
239	* by pfnCreateProgress.
240	* @param pfCanceled @c true if canceled, @c false otherwise.
241	*/
242	DECLR3CALLBACKMEMBER(uint32_t, pfnGetCanceledProgress,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IProgress) *pProgress,
243	bool *pfCanceled));
244
245	/**
246	* Updates the percentage value of the current operation of the
247	* Progress object.
248	*
249	* @returns COM status code.
250	* @param pHlp Pointer to this helper structure.
251	* @param pProgress Pointer to the IProgress object reference returned
252	* by pfnCreateProgress.
253	* @param uPercent Result of the overall task.
254	*/
255	DECLR3CALLBACKMEMBER(uint32_t, pfnUpdateProgress,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IProgress) *pProgress,
256	uint32_t uPercent));
257
258	/**
259	* Signals that the current operation is successfully completed and
260	* advances to the next operation. The operation percentage is reset
261	* to 0.
262	*
263	* If the operation count is exceeded this returns an error.
264	*
265	* @returns COM status code.
266	* @param pHlp Pointer to this helper structure.
267	* @param pProgress Pointer to the IProgress object reference returned
268	* by pfnCreateProgress.
269	* @param pcszNextOperationDescription Description of the next operation.
270	* @param uNextOperationWeight Weight for the next operation.
271	*/
272	DECLR3CALLBACKMEMBER(uint32_t, pfnNextOperationProgress,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IProgress) *pProgress,
273	const char *pcszNextOperationDescription,
274	uint32_t uNextOperationWeight));
275
276	/**
277	* Waits until the other task is completed (including all sub-operations)
278	* and forward all changes from the other progress to this progress. This
279	* means sub-operation number, description, percent and so on.
280	*
281	* The caller is responsible for having at least the same count of
282	* sub-operations in this progress object as there are in the other
283	* progress object.
284	*
285	* If the other progress object supports cancel and this object gets any
286	* cancel request (when here enabled as well), it will be forwarded to
287	* the other progress object.
288	*
289	* Error information is automatically preserved (by transferring it to
290	* the current thread's error information). If the caller wants to set it
291	* as the completion state of this progress it needs to be done separately.
292	*
293	* @returns COM status code.
294	* @param pHlp Pointer to this helper structure.
295	* @param pProgress Pointer to the IProgress object reference returned
296	* by pfnCreateProgress.
297	* @param pProgressOther Pointer to an IProgress object reference, the one
298	* to be waited for.
299	* @param cTimeoutMS Timeout in milliseconds, 0 for indefinite wait.
300	*/
301	DECLR3CALLBACKMEMBER(uint32_t, pfnWaitOtherProgress,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IProgress) *pProgress,
302	VBOXEXTPACK_IF_CS(IProgress) *pProgressOther,
303	uint32_t cTimeoutMS));
304
305	/**
306	* Marks the whole task as complete and sets the result code.
307	*
308	* If the result code indicates a failure then this method will store
309	* the currently set COM error info from the current thread in the
310	* the errorInfo attribute of this Progress object instance. If there
311	* is no error information available then an error is returned.
312	*
313	* If the result code indicates success then the task is terminated,
314	* without paying attention to the current operation being the last.
315	*
316	* Note that this must be called only once for the given Progress
317	* object. Subsequent calls will return errors.
318	*
319	* @returns COM status code.
320	* @param pHlp Pointer to this helper structure.
321	* @param pProgress Pointer to the IProgress object reference returned
322	* by pfnCreateProgress.
323	* @param uResultCode Result of the overall task.
324	*/
325	DECLR3CALLBACKMEMBER(uint32_t, pfnCompleteProgress,(PCVBOXEXTPACKHLP pHlp, VBOXEXTPACK_IF_CS(IProgress) *pProgress,
326	uint32_t uResultCode));
327
328
329	DECLR3CALLBACKMEMBER(uint32_t, pfnCreateEvent,(PCVBOXEXTPACKHLP pHlp,
330	VBOXEXTPACK_IF_CS(IEventSource) *aSource,
331	/* VBoxEventType_T */ uint32_t aType, bool aWaitable,
332	VBOXEXTPACK_IF_CS(IEvent) **ppEventOut));
333
334	DECLR3CALLBACKMEMBER(uint32_t, pfnCreateVetoEvent,(PCVBOXEXTPACKHLP pHlp,
335	VBOXEXTPACK_IF_CS(IEventSource) *aSource,
336	/* VBoxEventType_T */ uint32_t aType,
337	VBOXEXTPACK_IF_CS(IVetoEvent) **ppEventOut));
338
339	/**
340	* Translate the string using registered translation files.
341	*
342	* Translation files are excluded from translation engine. Although
343	* the already loaded translation remains in the translation cache the new
344	* translation will not be loaded after returning from the function if the
345	* user changes the language.
346	*
347	* @returns Translated string on success the pszSourceText otherwise.
348	* @param pHlp Pointer to this helper structure.
349	* @param aComponent Translation context e.g. class name
350	* @param pszSourceText String to translate
351	* @param pszComment Comment to the string to resolve possible ambiguities
352	* (NULL means no comment).
353	* @param aNum Number used to define plural form of the translation
354	*/
355	DECLR3CALLBACKMEMBER(const char *, pfnTranslate,(PCVBOXEXTPACKHLP pHlp,
356	const char *pszComponent,
357	const char *pszSourceText,
358	const char *pszComment,
359	const size_t aNum));
360
361	DECLR3CALLBACKMEMBER(int, pfnReserved1,(PCVBOXEXTPACKHLP pHlp)); /*< Reserved for minor structure revisions. /
362	DECLR3CALLBACKMEMBER(int, pfnReserved2,(PCVBOXEXTPACKHLP pHlp)); /*< Reserved for minor structure revisions. /
363	DECLR3CALLBACKMEMBER(int, pfnReserved3,(PCVBOXEXTPACKHLP pHlp)); /*< Reserved for minor structure revisions. /
364	DECLR3CALLBACKMEMBER(int, pfnReserved4,(PCVBOXEXTPACKHLP pHlp)); /*< Reserved for minor structure revisions. /
365	DECLR3CALLBACKMEMBER(int, pfnReserved5,(PCVBOXEXTPACKHLP pHlp)); /*< Reserved for minor structure revisions. /
366	DECLR3CALLBACKMEMBER(int, pfnReserved6,(PCVBOXEXTPACKHLP pHlp)); /*< Reserved for minor structure revisions. /
367
368	/** Reserved for minor structure revisions. */
369	uint32_t uReserved7;
370
371	/** End of structure marker (VBOXEXTPACKHLP_VERSION). */
372	uint32_t u32EndMarker;
373	} VBOXEXTPACKHLP;
374	/** Current version of the VBOXEXTPACKHLP structure. */
375	#define VBOXEXTPACKHLP_VERSION RT_MAKE_U32(0, 5)
376
377
378	/** Pointer to the extension pack callback table. */
379	typedef struct VBOXEXTPACKREG const *PCVBOXEXTPACKREG;
380	/**
381	* Callback table returned by VBoxExtPackRegister.
382	*
383	* All the callbacks are called the context of the per-user service (VBoxSVC).
384	*
385	* This must be valid until the extension pack main module is unloaded.
386	*/
387	typedef struct VBOXEXTPACKREG
388	{
389	/** Interface version.
390	* This is set to VBOXEXTPACKREG_VERSION. */
391	uint32_t u32Version;
392	/** The VirtualBox version this extension pack was built against. */
393	uint32_t uVBoxVersion;
394	/** Translation files base name. Set to NULL if no translation files. */
395	const char *pszNlsBaseName;
396
397	/**
398	* Hook for doing setups after the extension pack was installed.
399	*
400	* @returns VBox status code.
401	* @retval VERR_EXTPACK_UNSUPPORTED_HOST_UNINSTALL if the extension pack
402	* requires some different host version or a prerequisite is
403	* missing from the host. Automatic uninstall will be attempted.
404	* Must set error info.
405	*
406	* @param pThis Pointer to this structure.
407	* @param pVirtualBox The VirtualBox interface.
408	* @param pErrInfo Where to return extended error information.
409	*/
410	DECLCALLBACKMEMBER(int, pfnInstalled,(PCVBOXEXTPACKREG pThis, VBOXEXTPACK_IF_CS(IVirtualBox) *pVirtualBox,
411	PRTERRINFO pErrInfo));
412
413	/**
414	* Hook for cleaning up before the extension pack is uninstalled.
415	*
416	* @returns VBox status code.
417	* @param pThis Pointer to this structure.
418	* @param pVirtualBox The VirtualBox interface.
419	*
420	* @todo This is currently called holding locks making pVirtualBox
421	* relatively unusable.
422	*/
423	DECLCALLBACKMEMBER(int, pfnUninstall,(PCVBOXEXTPACKREG pThis, VBOXEXTPACK_IF_CS(IVirtualBox) *pVirtualBox));
424
425	/**
426	* Hook for doing work after the VirtualBox object is ready.
427	*
428	* @param pThis Pointer to this structure.
429	* @param pVirtualBox The VirtualBox interface.
430	*/
431	DECLCALLBACKMEMBER(void, pfnVirtualBoxReady,(PCVBOXEXTPACKREG pThis, VBOXEXTPACK_IF_CS(IVirtualBox) *pVirtualBox));
432
433	/**
434	* Hook for doing work before unloading.
435	*
436	* @param pThis Pointer to this structure.
437	*
438	* @remarks The helpers are not available at this point in time.
439	* @remarks This is not called on uninstall, then pfnUninstall will be the
440	* last callback.
441	*/
442	DECLCALLBACKMEMBER(void, pfnUnload,(PCVBOXEXTPACKREG pThis));
443
444	/**
445	* Hook for changing the default VM configuration upon creation.
446	*
447	* @returns VBox status code.
448	* @param pThis Pointer to this structure.
449	* @param pVirtualBox The VirtualBox interface.
450	* @param pMachine The machine interface.
451	*/
452	DECLCALLBACKMEMBER(int, pfnVMCreated,(PCVBOXEXTPACKREG pThis, VBOXEXTPACK_IF_CS(IVirtualBox) *pVirtualBox,
453	VBOXEXTPACK_IF_CS(IMachine) *pMachine));
454
455	/**
456	* Query the IUnknown interface to an object in the main module.
457	*
458	* @returns IUnknown pointer (referenced) on success, NULL on failure.
459	* @param pThis Pointer to this structure.
460	* @param pObjectId Pointer to the object ID (UUID).
461	*/
462	DECLCALLBACKMEMBER(void *, pfnQueryObject,(PCVBOXEXTPACKREG pThis, PCRTUUID pObjectId));
463
464	DECLR3CALLBACKMEMBER(int, pfnReserved1,(PCVBOXEXTPACKREG pThis)); /*< Reserved for minor structure revisions. /
465	DECLR3CALLBACKMEMBER(int, pfnReserved2,(PCVBOXEXTPACKREG pThis)); /*< Reserved for minor structure revisions. /
466	DECLR3CALLBACKMEMBER(int, pfnReserved3,(PCVBOXEXTPACKREG pThis)); /*< Reserved for minor structure revisions. /
467	DECLR3CALLBACKMEMBER(int, pfnReserved4,(PCVBOXEXTPACKREG pThis)); /*< Reserved for minor structure revisions. /
468	DECLR3CALLBACKMEMBER(int, pfnReserved5,(PCVBOXEXTPACKREG pThis)); /*< Reserved for minor structure revisions. /
469	DECLR3CALLBACKMEMBER(int, pfnReserved6,(PCVBOXEXTPACKREG pThis)); /*< Reserved for minor structure revisions. /
470
471	/** Reserved for minor structure revisions. */
472	uint32_t uReserved7;
473
474	/** End of structure marker (VBOXEXTPACKREG_VERSION). */
475	uint32_t u32EndMarker;
476	} VBOXEXTPACKREG;
477	/** Current version of the VBOXEXTPACKREG structure. */
478	#define VBOXEXTPACKREG_VERSION RT_MAKE_U32(0, 3)
479
480
481	/**
482	* The VBoxExtPackRegister callback function.
483	*
484	* The Main API (as in VBoxSVC) will invoke this function after loading an
485	* extension pack Main module. Its job is to do version compatibility checking
486	* and returning the extension pack registration structure.
487	*
488	* @returns VBox status code.
489	* @param pHlp Pointer to the extension pack helper function
490	* table. This is valid until the module is unloaded.
491	* @param ppReg Where to return the pointer to the registration
492	* structure containing all the hooks. This structure
493	* be valid and unchanged until the module is unloaded
494	* (i.e. use some static const data for it).
495	* @param pErrInfo Where to return extended error information.
496	*/
497	typedef DECLCALLBACKTYPE(int, FNVBOXEXTPACKREGISTER,(PCVBOXEXTPACKHLP pHlp, PCVBOXEXTPACKREG *ppReg, PRTERRINFO pErrInfo));
498	/** Pointer to a FNVBOXEXTPACKREGISTER. */
499	typedef FNVBOXEXTPACKREGISTER *PFNVBOXEXTPACKREGISTER;
500
501	/** The name of the main module entry point. */
502	#define VBOX_EXTPACK_MAIN_MOD_ENTRY_POINT "VBoxExtPackRegister"
503
504
505	/** Pointer to the extension pack VM callback table. */
506	typedef struct VBOXEXTPACKVMREG const *PCVBOXEXTPACKVMREG;
507	/**
508	* Callback table returned by VBoxExtPackVMRegister.
509	*
510	* All the callbacks are called the context of a VM process.
511	*
512	* This must be valid until the extension pack main VM module is unloaded.
513	*/
514	typedef struct VBOXEXTPACKVMREG
515	{
516	/** Interface version.
517	* This is set to VBOXEXTPACKVMREG_VERSION. */
518	uint32_t u32Version;
519	/** The VirtualBox version this extension pack was built against. */
520	uint32_t uVBoxVersion;
521	/** Translation files base name. Set to NULL if no translation files. */
522	const char *pszNlsBaseName;
523
524	/**
525	* Hook for doing work after the Console object is ready.
526	*
527	* @param pThis Pointer to this structure.
528	* @param pConsole The Console interface.
529	*/
530	DECLCALLBACKMEMBER(void, pfnConsoleReady,(PCVBOXEXTPACKVMREG pThis, VBOXEXTPACK_IF_CS(IConsole) *pConsole));
531
532	/**
533	* Hook for doing work before unloading.
534	*
535	* @param pThis Pointer to this structure.
536	*
537	* @remarks The helpers are not available at this point in time.
538	*/
539	DECLCALLBACKMEMBER(void, pfnUnload,(PCVBOXEXTPACKVMREG pThis));
540
541	/**
542	* Hook for configuring the VMM for a VM.
543	*
544	* @returns VBox status code.
545	* @param pThis Pointer to this structure.
546	* @param pConsole The console interface.
547	* @param pVM The cross context VM structure.
548	* @param pVMM The VMM function table.
549	*/
550	DECLCALLBACKMEMBER(int, pfnVMConfigureVMM,(PCVBOXEXTPACKVMREG pThis, VBOXEXTPACK_IF_CS(IConsole) *pConsole,
551	PVM pVM, PCVMMR3VTABLE pVMM));
552
553	/**
554	* Hook for doing work right before powering on the VM.
555	*
556	* @returns VBox status code.
557	* @param pThis Pointer to this structure.
558	* @param pConsole The console interface.
559	* @param pVM The cross context VM structure.
560	* @param pVMM The VMM function table.
561	*/
562	DECLCALLBACKMEMBER(int, pfnVMPowerOn,(PCVBOXEXTPACKVMREG pThis, VBOXEXTPACK_IF_CS(IConsole) *pConsole,
563	PVM pVM, PCVMMR3VTABLE pVMM));
564
565	/**
566	* Hook for doing work after powering off the VM.
567	*
568	* @param pThis Pointer to this structure.
569	* @param pConsole The console interface.
570	* @param pVM The cross context VM structure. Can be NULL.
571	* @param pVMM The VMM function table.
572	*/
573	DECLCALLBACKMEMBER(void, pfnVMPowerOff,(PCVBOXEXTPACKVMREG pThis, VBOXEXTPACK_IF_CS(IConsole) *pConsole,
574	PVM pVM, PCVMMR3VTABLE pVMM));
575
576	/**
577	* Query the IUnknown interface to an object in the main VM module.
578	*
579	* @returns IUnknown pointer (referenced) on success, NULL on failure.
580	* @param pThis Pointer to this structure.
581	* @param pObjectId Pointer to the object ID (UUID).
582	*/
583	DECLCALLBACKMEMBER(void *, pfnQueryObject,(PCVBOXEXTPACKVMREG pThis, PCRTUUID pObjectId));
584
585	DECLR3CALLBACKMEMBER(int, pfnReserved1,(PCVBOXEXTPACKVMREG pThis)); /*< Reserved for minor structure revisions. /
586	DECLR3CALLBACKMEMBER(int, pfnReserved2,(PCVBOXEXTPACKVMREG pThis)); /*< Reserved for minor structure revisions. /
587	DECLR3CALLBACKMEMBER(int, pfnReserved3,(PCVBOXEXTPACKVMREG pThis)); /*< Reserved for minor structure revisions. /
588	DECLR3CALLBACKMEMBER(int, pfnReserved4,(PCVBOXEXTPACKVMREG pThis)); /*< Reserved for minor structure revisions. /
589	DECLR3CALLBACKMEMBER(int, pfnReserved5,(PCVBOXEXTPACKVMREG pThis)); /*< Reserved for minor structure revisions. /
590	DECLR3CALLBACKMEMBER(int, pfnReserved6,(PCVBOXEXTPACKVMREG pThis)); /*< Reserved for minor structure revisions. /
591
592	/** Reserved for minor structure revisions. */
593	uint32_t uReserved7;
594
595	/** End of structure marker (VBOXEXTPACKVMREG_VERSION). */
596	uint32_t u32EndMarker;
597	} VBOXEXTPACKVMREG;
598	/** Current version of the VBOXEXTPACKVMREG structure. */
599	#define VBOXEXTPACKVMREG_VERSION RT_MAKE_U32(1, 0)
600
601
602	/**
603	* The VBoxExtPackVMRegister callback function.
604	*
605	* The Main API (in a VM process) will invoke this function after loading an
606	* extension pack VM module. Its job is to do version compatibility checking
607	* and returning the extension pack registration structure for a VM.
608	*
609	* @returns VBox status code.
610	* @param pHlp Pointer to the extension pack helper function
611	* table. This is valid until the module is unloaded.
612	* @param ppReg Where to return the pointer to the registration
613	* structure containing all the hooks. This structure
614	* be valid and unchanged until the module is unloaded
615	* (i.e. use some static const data for it).
616	* @param pErrInfo Where to return extended error information.
617	*/
618	typedef DECLCALLBACKTYPE(int, FNVBOXEXTPACKVMREGISTER,(PCVBOXEXTPACKHLP pHlp, PCVBOXEXTPACKVMREG *ppReg, PRTERRINFO pErrInfo));
619	/** Pointer to a FNVBOXEXTPACKVMREGISTER. */
620	typedef FNVBOXEXTPACKVMREGISTER *PFNVBOXEXTPACKVMREGISTER;
621
622	/** The name of the main VM module entry point. */
623	#define VBOX_EXTPACK_MAIN_VM_MOD_ENTRY_POINT "VBoxExtPackVMRegister"
624
625
626	/**
627	* Checks if extension pack interface version is compatible.
628	*
629	* @returns true if the do, false if they don't.
630	* @param u32Provider The provider version.
631	* @param u32User The user version.
632	*/
633	#define VBOXEXTPACK_IS_VER_COMPAT(u32Provider, u32User) \
634	( VBOXEXTPACK_IS_MAJOR_VER_EQUAL(u32Provider, u32User) \
635	&& (int32_t)RT_LOWORD(u32Provider) >= (int32_t)RT_LOWORD(u32User) ) /* stupid casts to shut up gcc */
636
637	/**
638	* Check if two extension pack interface versions has the same major version.
639	*
640	* @returns true if the do, false if they don't.
641	* @param u32Ver1 The first version number.
642	* @param u32Ver2 The second version number.
643	*/
644	#define VBOXEXTPACK_IS_MAJOR_VER_EQUAL(u32Ver1, u32Ver2) (RT_HIWORD(u32Ver1) == RT_HIWORD(u32Ver2))
645
646	#endif /* !VBOX_INCLUDED_ExtPack_ExtPack_h */
647

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source: vbox/trunk/include/VBox/ExtPack/ExtPack.h@ 97864

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