ssm.h@ 22650

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1	/** @file
2	* SSM - The Save State Manager. (VMM)
3	*/
4
5	/*
6	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*
25	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26	* Clara, CA 95054 USA or visit http://www.sun.com if you need
27	* additional information or have any questions.
28	*/
29
30	#ifndef ___VBox_ssm_h
31	#define ___VBox_ssm_h
32
33	#include <VBox/cdefs.h>
34	#include <VBox/types.h>
35	#include <VBox/tm.h>
36	#include <VBox/vmapi.h>
37
38	RT_C_DECLS_BEGIN
39
40	/** @defgroup grp_ssm The Saved State Manager API
41	* @{
42	*/
43
44	/**
45	* Determine the major version of the SSM version. If the major SSM version of two snapshots is
46	* different, the snapshots are incompatible.
47	*/
48	#define SSM_VERSION_MAJOR(ver) ((ver) & 0xffff0000)
49
50	/**
51	* Determine the minor version of the SSM version. If the major SSM version of two snapshots is
52	* the same, the code must handle incompatibilies between minor version changes (e.g. use dummy
53	* values for non-existent fields).
54	*/
55	#define SSM_VERSION_MINOR(ver) ((ver) & 0x0000ffff)
56
57	/**
58	* Determine if the major version changed between two SSM versions.
59	*/
60	#define SSM_VERSION_MAJOR_CHANGED(ver1,ver2) (SSM_VERSION_MAJOR(ver1) != SSM_VERSION_MAJOR(ver2))
61
62	/** The special value for the final phase. */
63	#define SSM_PHASE_FINAL UINT32_MAX
64
65
66	#ifdef IN_RING3
67	/** @defgroup grp_ssm_r3 The SSM Host Context Ring-3 API
68	* @{
69	*/
70
71
72	/**
73	* What to do after the save/load operation.
74	*/
75	typedef enum SSMAFTER
76	{
77	/** Invalid. */
78	SSMAFTER_INVALID = 0,
79	/** Will resume the loaded state. */
80	SSMAFTER_RESUME,
81	/** Will destroy the VM after saving. */
82	SSMAFTER_DESTROY,
83	/** Will continue execution after saving the VM. */
84	SSMAFTER_CONTINUE,
85	/** Will migrate the VM.
86	* The source VM will be destroyed (then one saving), the destination VM
87	* will continue execution. */
88	SSMAFTER_MIGRATE,
89	/** Will debug the saved state.
90	* This is used to drop some of the stricter consitentcy checks so it'll
91	* load fine in the debugger or animator. */
92	SSMAFTER_DEBUG_IT,
93	/** The file was opened using SSMR3Open() and we have no idea what the plan is. */
94	SSMAFTER_OPENED
95	} SSMAFTER;
96
97
98	/**
99	* A structure field description.
100	*
101	* @todo Add an type field here for recording what's a GCPtr, GCPhys or anything
102	* else that may change and is expected to continue to work.
103	* @todo Later we need to add load transformations to this structure. I think a
104	* callback with a number of default transformations in SIG_DEF style
105	* would be good enough. The callback would take a user context from a new
106	* SSMR3GetStruct parameter or something.
107	*/
108	typedef struct SSMFIELD
109	{
110	/** Field offset into the structure. */
111	uint32_t off;
112	/** The size of the field. */
113	uint32_t cb;
114	} SSMFIELD;
115	/** Pointer to a structure field description. */
116	typedef SSMFIELD *PSSMFIELD;
117	/** Pointer to a const structure field description. */
118	typedef const SSMFIELD *PCSSMFIELD;
119
120	/** Emit a SSMFIELD array entry. */
121	#define SSMFIELD_ENTRY(Type, Field) { RT_OFFSETOF(Type, Field), RT_SIZEOFMEMB(Type, Field) }
122	/** Emit a SSMFIELD array entry for a RTGCPTR type. */
123	#define SSMFIELD_ENTRY_GCPTR(Type, Field) SSMFIELD_ENTRY(Type, Field)
124	/** Emit a SSMFIELD array entry for a RTGCPHYS type. */
125	#define SSMFIELD_ENTRY_GCPHYS(Type, Field) SSMFIELD_ENTRY(Type, Field)
126	/** Emit the terminating entry of a SSMFIELD array. */
127	#define SSMFIELD_ENTRY_TERM() { UINT32_MAX, UINT32_MAX }
128
129
130
131	/** The PDM Device callback variants.
132	* @{
133	*/
134
135	/**
136	* Prepare state live save operation.
137	*
138	* @returns VBox status code.
139	* @param pDevIns Device instance of the device which registered the data unit.
140	* @param pSSM SSM operation handle.
141	* @thread Any.
142	*/
143	typedef DECLCALLBACK(int) FNSSMDEVLIVEPREP(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
144	/** Pointer to a FNSSMDEVLIVEPREP() function. */
145	typedef FNSSMDEVLIVEPREP *PFNSSMDEVLIVEPREP;
146
147	/**
148	* Execute state live save operation.
149	*
150	* This will be called repeatedly until all units vote that the live phase has
151	* been concluded.
152	*
153	* @returns VBox status code.
154	* @param pDevIns Device instance of the device which registered the data unit.
155	* @param pSSM SSM operation handle.
156	* @param uPhase The phase.
157	* @thread Any.
158	*/
159	typedef DECLCALLBACK(int) FNSSMDEVLIVEEXEC(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uPhase);
160	/** Pointer to a FNSSMDEVLIVEEXEC() function. */
161	typedef FNSSMDEVLIVEEXEC *PFNSSMDEVLIVEEXEC;
162
163	/**
164	* Vote on whether the live part of the saving has been concluded.
165	*
166	* The vote stops once a unit has vetoed the decision, so don't rely upon this
167	* being called every time.
168	*
169	* @returns true if done, false if there is more that needs to be saved first.
170	* @param pDevIns Device instance of the device which registered the data unit.
171	* @param pSSM SSM operation handle.
172	* @thread Any.
173	*/
174	typedef DECLCALLBACK(int) FNSSMDEVLIVEVOTE(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
175	/** Pointer to a FNSSMDEVLIVEVOTE() function. */
176	typedef FNSSMDEVLIVEVOTE *PFNSSMDEVLIVEVOTE;
177
178	/**
179	* Prepare state save operation.
180	*
181	* @returns VBox status code.
182	* @param pDevIns Device instance of the device which registered the data unit.
183	* @param pSSM SSM operation handle.
184	*/
185	typedef DECLCALLBACK(int) FNSSMDEVSAVEPREP(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
186	/** Pointer to a FNSSMDEVSAVEPREP() function. */
187	typedef FNSSMDEVSAVEPREP *PFNSSMDEVSAVEPREP;
188
189	/**
190	* Execute state save operation.
191	*
192	* @returns VBox status code.
193	* @param pDevIns Device instance of the device which registered the data unit.
194	* @param pSSM SSM operation handle.
195	*/
196	typedef DECLCALLBACK(int) FNSSMDEVSAVEEXEC(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
197	/** Pointer to a FNSSMDEVSAVEEXEC() function. */
198	typedef FNSSMDEVSAVEEXEC *PFNSSMDEVSAVEEXEC;
199
200	/**
201	* Done state save operation.
202	*
203	* @returns VBox status code.
204	* @param pDevIns Device instance of the device which registered the data unit.
205	* @param pSSM SSM operation handle.
206	*/
207	typedef DECLCALLBACK(int) FNSSMDEVSAVEDONE(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
208	/** Pointer to a FNSSMDEVSAVEDONE() function. */
209	typedef FNSSMDEVSAVEDONE *PFNSSMDEVSAVEDONE;
210
211	/**
212	* Prepare state load operation.
213	*
214	* @returns VBox status code.
215	* @param pDevIns Device instance of the device which registered the data unit.
216	* @param pSSM SSM operation handle.
217	*/
218	typedef DECLCALLBACK(int) FNSSMDEVLOADPREP(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
219	/** Pointer to a FNSSMDEVLOADPREP() function. */
220	typedef FNSSMDEVLOADPREP *PFNSSMDEVLOADPREP;
221
222	/**
223	* Execute state load operation.
224	*
225	* @returns VBox status code.
226	* @param pDevIns Device instance of the device which registered the data unit.
227	* @param pSSM SSM operation handle.
228	* @param uVersion Data layout version.
229	* @param uPhase The phase. This is always SSM_PHASE_FINAL for units
230	* that doesn't specify a pfnSaveLive callback.
231	*/
232	typedef DECLCALLBACK(int) FNSSMDEVLOADEXEC(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPhase);
233	/** Pointer to a FNSSMDEVLOADEXEC() function. */
234	typedef FNSSMDEVLOADEXEC *PFNSSMDEVLOADEXEC;
235
236	/**
237	* Done state load operation.
238	*
239	* @returns VBox load code.
240	* @param pDevIns Device instance of the device which registered the data unit.
241	* @param pSSM SSM operation handle.
242	*/
243	typedef DECLCALLBACK(int) FNSSMDEVLOADDONE(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
244	/** Pointer to a FNSSMDEVLOADDONE() function. */
245	typedef FNSSMDEVLOADDONE *PFNSSMDEVLOADDONE;
246
247	/** @} */
248
249
250	/** The PDM Driver callback variants.
251	* @{
252	*/
253
254	/**
255	* Prepare state live save operation.
256	*
257	* @returns VBox status code.
258	* @param pDrvIns Driver instance of the device which registered the
259	* data unit.
260	* @param pSSM SSM operation handle.
261	* @thread Any.
262	*/
263	typedef DECLCALLBACK(int) FNSSMDRVLIVEPREP(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
264	/** Pointer to a FNSSMDRVLIVEPREP() function. */
265	typedef FNSSMDRVLIVEPREP *PFNSSMDRVLIVEPREP;
266
267	/**
268	* Execute state live save operation.
269	*
270	* This will be called repeatedly until all units vote that the live phase has
271	* been concluded.
272	*
273	* @returns VBox status code.
274	* @param pDrvIns Driver instance of the device which registered the
275	* data unit.
276	* @param pSSM SSM operation handle.
277	* @param uPhase The phase.
278	* @thread Any.
279	*/
280	typedef DECLCALLBACK(int) FNSSMDRVLIVEEXEC(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM, uint32_t uPhase);
281	/** Pointer to a FNSSMDRVLIVEEXEC() function. */
282	typedef FNSSMDRVLIVEEXEC *PFNSSMDRVLIVEEXEC;
283
284	/**
285	* Vote on whether the live part of the saving has been concluded.
286	*
287	* The vote stops once a unit has vetoed the decision, so don't rely upon this
288	* being called every time.
289	*
290	* @returns true if done, false if there is more that needs to be saved first.
291	* @param pDrvIns Driver instance of the device which registered the
292	* data unit.
293	* @param pSSM SSM operation handle.
294	* @thread Any.
295	*/
296	typedef DECLCALLBACK(int) FNSSMDRVLIVEVOTE(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
297	/** Pointer to a FNSSMDRVLIVEVOTE() function. */
298	typedef FNSSMDRVLIVEVOTE *PFNSSMDRVLIVEVOTE;
299
300
301	/**
302	* Prepare state save operation.
303	*
304	* @returns VBox status code.
305	* @param pDrvIns Driver instance of the driver which registered the data unit.
306	* @param pSSM SSM operation handle.
307	*/
308	typedef DECLCALLBACK(int) FNSSMDRVSAVEPREP(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
309	/** Pointer to a FNSSMDRVSAVEPREP() function. */
310	typedef FNSSMDRVSAVEPREP *PFNSSMDRVSAVEPREP;
311
312	/**
313	* Execute state save operation.
314	*
315	* @returns VBox status code.
316	* @param pDrvIns Driver instance of the driver which registered the data unit.
317	* @param pSSM SSM operation handle.
318	*/
319	typedef DECLCALLBACK(int) FNSSMDRVSAVEEXEC(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
320	/** Pointer to a FNSSMDRVSAVEEXEC() function. */
321	typedef FNSSMDRVSAVEEXEC *PFNSSMDRVSAVEEXEC;
322
323	/**
324	* Done state save operation.
325	*
326	* @returns VBox status code.
327	* @param pDrvIns Driver instance of the driver which registered the data unit.
328	* @param pSSM SSM operation handle.
329	*/
330	typedef DECLCALLBACK(int) FNSSMDRVSAVEDONE(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
331	/** Pointer to a FNSSMDRVSAVEDONE() function. */
332	typedef FNSSMDRVSAVEDONE *PFNSSMDRVSAVEDONE;
333
334	/**
335	* Prepare state load operation.
336	*
337	* @returns VBox status code.
338	* @param pDrvIns Driver instance of the driver which registered the data unit.
339	* @param pSSM SSM operation handle.
340	*/
341	typedef DECLCALLBACK(int) FNSSMDRVLOADPREP(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
342	/** Pointer to a FNSSMDRVLOADPREP() function. */
343	typedef FNSSMDRVLOADPREP *PFNSSMDRVLOADPREP;
344
345	/**
346	* Execute state load operation.
347	*
348	* @returns VBox status code.
349	* @param pDrvIns Driver instance of the driver which registered the data unit.
350	* @param pSSM SSM operation handle.
351	* @param uVersion Data layout version.
352	* @param uPhase The phase. This is always SSM_PHASE_FINAL for units
353	* that doesn't specify a pfnSaveLive callback.
354	*/
355	typedef DECLCALLBACK(int) FNSSMDRVLOADEXEC(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPhase);
356	/** Pointer to a FNSSMDRVLOADEXEC() function. */
357	typedef FNSSMDRVLOADEXEC *PFNSSMDRVLOADEXEC;
358
359	/**
360	* Done state load operation.
361	*
362	* @returns VBox load code.
363	* @param pDrvIns Driver instance of the driver which registered the data unit.
364	* @param pSSM SSM operation handle.
365	*/
366	typedef DECLCALLBACK(int) FNSSMDRVLOADDONE(PPDMDRVINS pDrvIns, PSSMHANDLE pSSM);
367	/** Pointer to a FNSSMDRVLOADDONE() function. */
368	typedef FNSSMDRVLOADDONE *PFNSSMDRVLOADDONE;
369
370	/** @} */
371
372
373	/** The internal callback variants.
374	* @{
375	*/
376
377
378	/**
379	* Prepare state live save operation.
380	*
381	* @returns VBox status code.
382	* @param pVM VM Handle.
383	* @param pSSM SSM operation handle.
384	* @thread Any.
385	*/
386	typedef DECLCALLBACK(int) FNSSMINTLIVEPREP(PVM pVM, PSSMHANDLE pSSM);
387	/** Pointer to a FNSSMINTLIVEPREP() function. */
388	typedef FNSSMINTLIVEPREP *PFNSSMINTLIVEPREP;
389
390	/**
391	* Execute state live save operation.
392	*
393	* This will be called repeatedly until all units vote that the live phase has
394	* been concluded.
395	*
396	* @returns VBox status code.
397	* @param pVM VM Handle.
398	* @param pSSM SSM operation handle.
399	* @param uPhase The phase.
400	* @thread Any.
401	*/
402	typedef DECLCALLBACK(int) FNSSMINTLIVEEXEC(PVM pVM, PSSMHANDLE pSSM, uint32_t uPhase);
403	/** Pointer to a FNSSMINTLIVEEXEC() function. */
404	typedef FNSSMINTLIVEEXEC *PFNSSMINTLIVEEXEC;
405
406	/**
407	* Vote on whether the live part of the saving has been concluded.
408	*
409	* The vote stops once a unit has vetoed the decision, so don't rely upon this
410	* being called every time.
411	*
412	* @returns true if done, false if there is more that needs to be saved first.
413	* @param pVM VM Handle.
414	* @param pSSM SSM operation handle.
415	* @thread Any.
416	*/
417	typedef DECLCALLBACK(bool) FNSSMINTLIVEVOTE(PVM pVM, PSSMHANDLE pSSM);
418	/** Pointer to a FNSSMINTLIVEVOTE() function. */
419	typedef FNSSMINTLIVEVOTE *PFNSSMINTLIVEVOTE;
420
421	/**
422	* Prepare state save operation.
423	*
424	* @returns VBox status code.
425	* @param pVM VM Handle.
426	* @param pSSM SSM operation handle.
427	*/
428	typedef DECLCALLBACK(int) FNSSMINTSAVEPREP(PVM pVM, PSSMHANDLE pSSM);
429	/** Pointer to a FNSSMINTSAVEPREP() function. */
430	typedef FNSSMINTSAVEPREP *PFNSSMINTSAVEPREP;
431
432	/**
433	* Execute state save operation.
434	*
435	* @returns VBox status code.
436	* @param pVM VM Handle.
437	* @param pSSM SSM operation handle.
438	*/
439	typedef DECLCALLBACK(int) FNSSMINTSAVEEXEC(PVM pVM, PSSMHANDLE pSSM);
440	/** Pointer to a FNSSMINTSAVEEXEC() function. */
441	typedef FNSSMINTSAVEEXEC *PFNSSMINTSAVEEXEC;
442
443	/**
444	* Done state save operation.
445	*
446	* @returns VBox status code.
447	* @param pVM VM Handle.
448	* @param pSSM SSM operation handle.
449	*/
450	typedef DECLCALLBACK(int) FNSSMINTSAVEDONE(PVM pVM, PSSMHANDLE pSSM);
451	/** Pointer to a FNSSMINTSAVEDONE() function. */
452	typedef FNSSMINTSAVEDONE *PFNSSMINTSAVEDONE;
453
454	/**
455	* Prepare state load operation.
456	*
457	* @returns VBox status code.
458	* @param pVM VM Handle.
459	* @param pSSM SSM operation handle.
460	*/
461	typedef DECLCALLBACK(int) FNSSMINTLOADPREP(PVM pVM, PSSMHANDLE pSSM);
462	/** Pointer to a FNSSMINTLOADPREP() function. */
463	typedef FNSSMINTLOADPREP *PFNSSMINTLOADPREP;
464
465	/**
466	* Execute state load operation.
467	*
468	* @returns VBox status code.
469	* @param pVM VM Handle.
470	* @param pSSM SSM operation handle.
471	* @param uVersion Data layout version.
472	* @param uPhase The phase. This is always SSM_PHASE_FINAL for units
473	* that doesn't specify a pfnSaveLive callback.
474	*/
475	typedef DECLCALLBACK(int) FNSSMINTLOADEXEC(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPhase);
476	/** Pointer to a FNSSMINTLOADEXEC() function. */
477	typedef FNSSMINTLOADEXEC *PFNSSMINTLOADEXEC;
478
479	/**
480	* Done state load operation.
481	*
482	* @returns VBox load code.
483	* @param pVM VM Handle.
484	* @param pSSM SSM operation handle.
485	*/
486	typedef DECLCALLBACK(int) FNSSMINTLOADDONE(PVM pVM, PSSMHANDLE pSSM);
487	/** Pointer to a FNSSMINTLOADDONE() function. */
488	typedef FNSSMINTLOADDONE *PFNSSMINTLOADDONE;
489
490	/** @} */
491
492
493	/** The External callback variants.
494	* @{
495	*/
496
497	/**
498	* Prepare state live save operation.
499	*
500	* @returns VBox status code.
501	* @param pSSM SSM operation handle.
502	* @param pvUser User argument.
503	* @thread Any.
504	*/
505	typedef DECLCALLBACK(int) FNSSMEXTLIVEPREP(PSSMHANDLE pSSM, void *pvUser);
506	/** Pointer to a FNSSMEXTLIVEPREP() function. */
507	typedef FNSSMEXTLIVEPREP *PFNSSMEXTLIVEPREP;
508
509	/**
510	* Execute state live save operation.
511	*
512	* This will be called repeatedly until all units vote that the live phase has
513	* been concluded.
514	*
515	* @returns VBox status code.
516	* @param pSSM SSM operation handle.
517	* @param pvUser User argument.
518	* @param uPhase The phase.
519	* @thread Any.
520	*/
521	typedef DECLCALLBACK(int) FNSSMEXTLIVEEXEC(PSSMHANDLE pSSM, void *pvUser, uint32_t uPhase);
522	/** Pointer to a FNSSMEXTLIVEEXEC() function. */
523	typedef FNSSMEXTLIVEEXEC *PFNSSMEXTLIVEEXEC;
524
525	/**
526	* Vote on whether the live part of the saving has been concluded.
527	*
528	* The vote stops once a unit has vetoed the decision, so don't rely upon this
529	* being called every time.
530	*
531	* @returns true if done, false if there is more that needs to be saved first.
532	* @param pSSM SSM operation handle.
533	* @param pvUser User argument.
534	* @thread Any.
535	*/
536	typedef DECLCALLBACK(int) FNSSMEXTLIVEVOTE(PSSMHANDLE pSSM, void *pvUser);
537	/** Pointer to a FNSSMEXTLIVEVOTE() function. */
538	typedef FNSSMEXTLIVEVOTE *PFNSSMEXTLIVEVOTE;
539
540	/**
541	* Prepare state save operation.
542	*
543	* @returns VBox status code.
544	* @param pSSM SSM operation handle.
545	* @param pvUser User argument.
546	*/
547	typedef DECLCALLBACK(int) FNSSMEXTSAVEPREP(PSSMHANDLE pSSM, void *pvUser);
548	/** Pointer to a FNSSMEXTSAVEPREP() function. */
549	typedef FNSSMEXTSAVEPREP *PFNSSMEXTSAVEPREP;
550
551	/**
552	* Execute state save operation.
553	*
554	* @param pSSM SSM operation handle.
555	* @param pvUser User argument.
556	* @author The lack of return code is for legacy reasons.
557	*/
558	typedef DECLCALLBACK(void) FNSSMEXTSAVEEXEC(PSSMHANDLE pSSM, void *pvUser);
559	/** Pointer to a FNSSMEXTSAVEEXEC() function. */
560	typedef FNSSMEXTSAVEEXEC *PFNSSMEXTSAVEEXEC;
561
562	/**
563	* Done state save operation.
564	*
565	* @returns VBox status code.
566	* @param pSSM SSM operation handle.
567	* @param pvUser User argument.
568	*/
569	typedef DECLCALLBACK(int) FNSSMEXTSAVEDONE(PSSMHANDLE pSSM, void *pvUser);
570	/** Pointer to a FNSSMEXTSAVEDONE() function. */
571	typedef FNSSMEXTSAVEDONE *PFNSSMEXTSAVEDONE;
572
573	/**
574	* Prepare state load operation.
575	*
576	* @returns VBox status code.
577	* @param pSSM SSM operation handle.
578	* @param pvUser User argument.
579	*/
580	typedef DECLCALLBACK(int) FNSSMEXTLOADPREP(PSSMHANDLE pSSM, void *pvUser);
581	/** Pointer to a FNSSMEXTLOADPREP() function. */
582	typedef FNSSMEXTLOADPREP *PFNSSMEXTLOADPREP;
583
584	/**
585	* Execute state load operation.
586	*
587	* @returns VBox status code.
588	* @param pSSM SSM operation handle.
589	* @param pvUser User argument.
590	* @param uVersion Data layout version.
591	* @param uPhase The phase. This is always SSM_PHASE_FINAL for units
592	* that doesn't specify a pfnSaveLive callback.
593	* @remark The odd return value is for legacy reasons.
594	*/
595	typedef DECLCALLBACK(int) FNSSMEXTLOADEXEC(PSSMHANDLE pSSM, void *pvUser, uint32_t uVersion, uint32_t uPhase);
596	/** Pointer to a FNSSMEXTLOADEXEC() function. */
597	typedef FNSSMEXTLOADEXEC *PFNSSMEXTLOADEXEC;
598
599	/**
600	* Done state load operation.
601	*
602	* @returns VBox load code.
603	* @param pSSM SSM operation handle.
604	* @param pvUser User argument.
605	*/
606	typedef DECLCALLBACK(int) FNSSMEXTLOADDONE(PSSMHANDLE pSSM, void *pvUser);
607	/** Pointer to a FNSSMEXTLOADDONE() function. */
608	typedef FNSSMEXTLOADDONE *PFNSSMEXTLOADDONE;
609
610	/** @} */
611
612
613	VMMR3DECL(int) SSMR3RegisterDevice(PVM pVM, PPDMDEVINS pDevIns, const char pszName, uint32_t uInstance, uint32_t uVersion, size_t cbGuess, const char pszBefore,
614	PFNSSMDEVLIVEPREP pfnLivePrep, PFNSSMDEVLIVEEXEC pfnLiveExec, PFNSSMDEVLIVEVOTE pfnLiveVote,
615	PFNSSMDEVSAVEPREP pfnSavePrep, PFNSSMDEVSAVEEXEC pfnSaveExec, PFNSSMDEVSAVEDONE pfnSaveDone,
616	PFNSSMDEVLOADPREP pfnLoadPrep, PFNSSMDEVLOADEXEC pfnLoadExec, PFNSSMDEVLOADDONE pfnLoadDone);
617	VMMR3DECL(int) SSMR3RegisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName, uint32_t uInstance, uint32_t uVersion, size_t cbGuess,
618	PFNSSMDRVLIVEPREP pfnLivePrep, PFNSSMDRVLIVEEXEC pfnLiveExec, PFNSSMDRVLIVEVOTE pfnLiveVote,
619	PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
620	PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone);
621	VMMR3DECL(int) SSMR3RegisterInternal(PVM pVM, const char *pszName, uint32_t uInstance, uint32_t uVersion, size_t cbGuess,
622	PFNSSMINTLIVEPREP pfnLivePrep, PFNSSMINTLIVEEXEC pfnLiveExec, PFNSSMINTLIVEVOTE pfnLiveVote,
623	PFNSSMINTSAVEPREP pfnSavePrep, PFNSSMINTSAVEEXEC pfnSaveExec, PFNSSMINTSAVEDONE pfnSaveDone,
624	PFNSSMINTLOADPREP pfnLoadPrep, PFNSSMINTLOADEXEC pfnLoadExec, PFNSSMINTLOADDONE pfnLoadDone);
625	VMMR3DECL(int) SSMR3RegisterExternal(PVM pVM, const char *pszName, uint32_t uInstance, uint32_t uVersion, size_t cbGuess,
626	PFNSSMEXTLIVEPREP pfnLivePrep, PFNSSMEXTLIVEEXEC pfnLiveExec, PFNSSMEXTLIVEVOTE pfnLiveVote,
627	PFNSSMEXTSAVEPREP pfnSavePrep, PFNSSMEXTSAVEEXEC pfnSaveExec, PFNSSMEXTSAVEDONE pfnSaveDone,
628	PFNSSMEXTLOADPREP pfnLoadPrep, PFNSSMEXTLOADEXEC pfnLoadExec, PFNSSMEXTLOADDONE pfnLoadDone, void *pvUser);
629	VMMR3DECL(int) SSMR3DeregisterDevice(PVM pVM, PPDMDEVINS pDevIns, const char *pszName, uint32_t uInstance);
630	VMMR3DECL(int) SSMR3DeregisterDriver(PVM pVM, PPDMDRVINS pDrvIns, const char *pszName, uint32_t uInstance);
631	VMMR3DECL(int) SSMR3DeregisterInternal(PVM pVM, const char *pszName);
632	VMMR3DECL(int) SSMR3DeregisterExternal(PVM pVM, const char *pszName);
633	VMMR3DECL(int) SSMR3Save(PVM pVM, const char pszFilename, SSMAFTER enmAfter, PFNVMPROGRESS pfnProgress, void pvUser);
634	VMMR3DECL(int) SSMR3Load(PVM pVM, const char pszFilename, SSMAFTER enmAfter, PFNVMPROGRESS pfnProgress, void pvUser);
635	VMMR3DECL(int) SSMR3ValidateFile(const char *pszFilename, bool fChecksumIt);
636	VMMR3DECL(int) SSMR3Open(const char pszFilename, unsigned fFlags, PSSMHANDLE ppSSM);
637	VMMR3DECL(int) SSMR3Close(PSSMHANDLE pSSM);
638	VMMR3DECL(int) SSMR3Seek(PSSMHANDLE pSSM, const char pszUnit, uint32_t iInstance, uint32_t piVersion);
639	VMMR3DECL(int) SSMR3HandleGetStatus(PSSMHANDLE pSSM);
640	VMMR3DECL(int) SSMR3HandleSetStatus(PSSMHANDLE pSSM, int iStatus);
641	VMMR3DECL(SSMAFTER) SSMR3HandleGetAfter(PSSMHANDLE pSSM);
642	VMMR3DECL(uint64_t) SSMR3HandleGetUnitOffset(PSSMHANDLE pSSM);
643	VMMR3DECL(int) SSMR3SetGCPtrSize(PSSMHANDLE pSSM, unsigned cbGCPtr);
644
645
646	/** Save operations.
647	* @{
648	*/
649	VMMR3DECL(int) SSMR3PutStruct(PSSMHANDLE pSSM, const void *pvStruct, PCSSMFIELD paFields);
650	VMMR3DECL(int) SSMR3PutBool(PSSMHANDLE pSSM, bool fBool);
651	VMMR3DECL(int) SSMR3PutU8(PSSMHANDLE pSSM, uint8_t u8);
652	VMMR3DECL(int) SSMR3PutS8(PSSMHANDLE pSSM, int8_t i8);
653	VMMR3DECL(int) SSMR3PutU16(PSSMHANDLE pSSM, uint16_t u16);
654	VMMR3DECL(int) SSMR3PutS16(PSSMHANDLE pSSM, int16_t i16);
655	VMMR3DECL(int) SSMR3PutU32(PSSMHANDLE pSSM, uint32_t u32);
656	VMMR3DECL(int) SSMR3PutS32(PSSMHANDLE pSSM, int32_t i32);
657	VMMR3DECL(int) SSMR3PutU64(PSSMHANDLE pSSM, uint64_t u64);
658	VMMR3DECL(int) SSMR3PutS64(PSSMHANDLE pSSM, int64_t i64);
659	VMMR3DECL(int) SSMR3PutU128(PSSMHANDLE pSSM, uint128_t u128);
660	VMMR3DECL(int) SSMR3PutS128(PSSMHANDLE pSSM, int128_t i128);
661	VMMR3DECL(int) SSMR3PutUInt(PSSMHANDLE pSSM, RTUINT u);
662	VMMR3DECL(int) SSMR3PutSInt(PSSMHANDLE pSSM, RTINT i);
663	VMMR3DECL(int) SSMR3PutGCUInt(PSSMHANDLE pSSM, RTGCUINT u);
664	VMMR3DECL(int) SSMR3PutGCUIntReg(PSSMHANDLE pSSM, RTGCUINTREG u);
665	VMMR3DECL(int) SSMR3PutGCPhys32(PSSMHANDLE pSSM, RTGCPHYS32 GCPhys);
666	VMMR3DECL(int) SSMR3PutGCPhys64(PSSMHANDLE pSSM, RTGCPHYS64 GCPhys);
667	VMMR3DECL(int) SSMR3PutGCPhys(PSSMHANDLE pSSM, RTGCPHYS GCPhys);
668	VMMR3DECL(int) SSMR3PutGCPtr(PSSMHANDLE pSSM, RTGCPTR GCPtr);
669	VMMR3DECL(int) SSMR3PutGCUIntPtr(PSSMHANDLE pSSM, RTGCUINTPTR GCPtr);
670	VMMR3DECL(int) SSMR3PutRCPtr(PSSMHANDLE pSSM, RTRCPTR RCPtr);
671	VMMR3DECL(int) SSMR3PutIOPort(PSSMHANDLE pSSM, RTIOPORT IOPort);
672	VMMR3DECL(int) SSMR3PutSel(PSSMHANDLE pSSM, RTSEL Sel);
673	VMMR3DECL(int) SSMR3PutMem(PSSMHANDLE pSSM, const void *pv, size_t cb);
674	VMMR3DECL(int) SSMR3PutStrZ(PSSMHANDLE pSSM, const char *psz);
675	/** @} */
676
677
678
679	/** Load operations.
680	* @{
681	*/
682	VMMR3DECL(int) SSMR3GetStruct(PSSMHANDLE pSSM, void *pvStruct, PCSSMFIELD paFields);
683	VMMR3DECL(int) SSMR3GetBool(PSSMHANDLE pSSM, bool *pfBool);
684	VMMR3DECL(int) SSMR3GetU8(PSSMHANDLE pSSM, uint8_t *pu8);
685	VMMR3DECL(int) SSMR3GetS8(PSSMHANDLE pSSM, int8_t *pi8);
686	VMMR3DECL(int) SSMR3GetU16(PSSMHANDLE pSSM, uint16_t *pu16);
687	VMMR3DECL(int) SSMR3GetS16(PSSMHANDLE pSSM, int16_t *pi16);
688	VMMR3DECL(int) SSMR3GetU32(PSSMHANDLE pSSM, uint32_t *pu32);
689	VMMR3DECL(int) SSMR3GetS32(PSSMHANDLE pSSM, int32_t *pi32);
690	VMMR3DECL(int) SSMR3GetU64(PSSMHANDLE pSSM, uint64_t *pu64);
691	VMMR3DECL(int) SSMR3GetS64(PSSMHANDLE pSSM, int64_t *pi64);
692	VMMR3DECL(int) SSMR3GetU128(PSSMHANDLE pSSM, uint128_t *pu128);
693	VMMR3DECL(int) SSMR3GetS128(PSSMHANDLE pSSM, int128_t *pi128);
694	VMMR3DECL(int) SSMR3GetUInt(PSSMHANDLE pSSM, PRTUINT pu);
695	VMMR3DECL(int) SSMR3GetSInt(PSSMHANDLE pSSM, PRTINT pi);
696	VMMR3DECL(int) SSMR3GetGCUInt(PSSMHANDLE pSSM, PRTGCUINT pu);
697	VMMR3DECL(int) SSMR3GetGCUIntReg(PSSMHANDLE pSSM, PRTGCUINTREG pu);
698	VMMR3DECL(int) SSMR3GetGCPhys32(PSSMHANDLE pSSM, PRTGCPHYS32 pGCPhys);
699	VMMR3DECL(int) SSMR3GetGCPhys64(PSSMHANDLE pSSM, PRTGCPHYS64 pGCPhys);
700	VMMR3DECL(int) SSMR3GetGCPhys(PSSMHANDLE pSSM, PRTGCPHYS pGCPhys);
701	VMMR3DECL(int) SSMR3GetGCPtr(PSSMHANDLE pSSM, PRTGCPTR pGCPtr);
702	VMMR3DECL(int) SSMR3GetGCUIntPtr(PSSMHANDLE pSSM, PRTGCUINTPTR pGCPtr);
703	VMMR3DECL(int) SSMR3GetRCPtr(PSSMHANDLE pSSM, PRTRCPTR pRCPtr);
704	VMMR3DECL(int) SSMR3GetIOPort(PSSMHANDLE pSSM, PRTIOPORT pIOPort);
705	VMMR3DECL(int) SSMR3GetSel(PSSMHANDLE pSSM, PRTSEL pSel);
706	VMMR3DECL(int) SSMR3GetMem(PSSMHANDLE pSSM, void *pv, size_t cb);
707	VMMR3DECL(int) SSMR3GetStrZ(PSSMHANDLE pSSM, char *psz, size_t cbMax);
708	VMMR3DECL(int) SSMR3GetStrZEx(PSSMHANDLE pSSM, char psz, size_t cbMax, size_t pcbStr);
709	VMMR3DECL(int) SSMR3GetTimer(PSSMHANDLE pSSM, PTMTIMER pTimer);
710	VMMR3DECL(int) SSMR3Skip(PSSMHANDLE pSSM, size_t cb);
711	VMMR3DECL(int) SSMR3SkipToEndOfUnit(PSSMHANDLE pSSM);
712
713	/** @} */
714
715	/** @} */
716	#endif /* IN_RING3 */
717
718
719	/** @} */
720
721	RT_C_DECLS_END
722
723	#endif
724

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source: vbox/trunk/include/VBox/ssm.h@ 22650

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