DevVGA_VBVA.cpp@ 53594

Last change on this file since 53594 was 53551, checked in by vboxsync, 10 years ago
Devices/Graphics: replace hard-coded 64 with VBOX_VIDEO_MAX_SCREENS.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 86.4 KB

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1	/* $Id: DevVGA_VBVA.cpp 53551 2014-12-16 20:43:24Z vboxsync $ */
2	/** @file
3	* VirtualBox Video Acceleration (VBVA).
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	/*******************************************************************************
19	* Header Files *
20	*******************************************************************************/
21	#define LOG_GROUP LOG_GROUP_DEV_VGA
22	#include <VBox/vmm/pdmifs.h>
23	#include <VBox/vmm/pdmdev.h>
24	#include <VBox/vmm/pgm.h>
25	#include <VBox/vmm/ssm.h>
26	#include <VBox/VMMDev.h>
27	#include <VBox/VBoxVideo.h>
28	#include <iprt/alloc.h>
29	#include <iprt/assert.h>
30	#include <iprt/asm.h>
31	#include <iprt/string.h>
32	#include <iprt/param.h>
33	#ifdef VBOX_WITH_VIDEOHWACCEL
34	#include <iprt/semaphore.h>
35	#endif
36
37	#include "DevVGA.h"
38
39	/* A very detailed logging. */
40	#if 0 // def DEBUG_sunlover
41	#define LOGVBVABUFFER(a) LogFlow(a)
42	#else
43	#define LOGVBVABUFFER(a) do {} while (0)
44	#endif
45
46	/*******************************************************************************
47	* Structures and Typedefs *
48	*******************************************************************************/
49	typedef struct VBVAPARTIALRECORD
50	{
51	uint8_t *pu8;
52	uint32_t cb;
53	} VBVAPARTIALRECORD;
54
55	typedef struct VBVAVIEW
56	{
57	VBVAINFOVIEW view;
58	VBVAINFOSCREEN screen;
59	VBVABUFFER *pVBVA;
60	uint32_t u32VBVAOffset;
61	VBVAPARTIALRECORD partialRecord;
62	} VBVAVIEW;
63
64	typedef struct VBVAMOUSESHAPEINFO
65	{
66	bool fSet;
67	bool fVisible;
68	bool fAlpha;
69	uint32_t u32HotX;
70	uint32_t u32HotY;
71	uint32_t u32Width;
72	uint32_t u32Height;
73	uint32_t cbShape;
74	uint32_t cbAllocated;
75	uint8_t *pu8Shape;
76	} VBVAMOUSESHAPEINFO;
77
78	/** @todo saved state: save and restore VBVACONTEXT */
79	typedef struct VBVACONTEXT
80	{
81	uint32_t cViews;
82	VBVAVIEW aViews[64 /* @todo SchemaDefs::MaxGuestMonitors*/];
83	VBVAMOUSESHAPEINFO mouseShapeInfo;
84	bool fPaused;
85	VBVAMODEHINT aModeHints[VBOX_VIDEO_MAX_SCREENS];
86	} VBVACONTEXT;
87
88
89
90	/** Copies @a cb bytes from the VBVA ring buffer to the @a pu8Dst.
91	* Used for partial records or for records which cross the ring boundary.
92	*/
93	static void vbvaFetchBytes (VBVABUFFER pVBVA, uint8_t pu8Dst, uint32_t cb)
94	{
95	/** @todo replace the 'if' with an assert. The caller must ensure this condition. */
96	if (cb >= pVBVA->cbData)
97	{
98	AssertMsgFailed (("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVA->cbData));
99	return;
100	}
101
102	const uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
103	const uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
104	const int32_t i32Diff = cb - u32BytesTillBoundary;
105
106	if (i32Diff <= 0)
107	{
108	/* Chunk will not cross buffer boundary. */
109	memcpy (pu8Dst, src, cb);
110	}
111	else
112	{
113	/* Chunk crosses buffer boundary. */
114	memcpy (pu8Dst, src, u32BytesTillBoundary);
115	memcpy (pu8Dst + u32BytesTillBoundary, &pVBVA->au8Data[0], i32Diff);
116	}
117
118	/* Advance data offset. */
119	pVBVA->off32Data = (pVBVA->off32Data + cb) % pVBVA->cbData;
120
121	return;
122	}
123
124
125	static bool vbvaPartialRead (VBVAPARTIALRECORD pPartialRecord, uint32_t cbRecord, VBVABUFFER pVBVA)
126	{
127	uint8_t *pu8New;
128
129	LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
130	pPartialRecord->pu8, pPartialRecord->cb, cbRecord));
131
132	if (pPartialRecord->pu8)
133	{
134	Assert (pPartialRecord->cb);
135	pu8New = (uint8_t *)RTMemRealloc (pPartialRecord->pu8, cbRecord);
136	}
137	else
138	{
139	Assert (!pPartialRecord->cb);
140	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
141	}
142
143	if (!pu8New)
144	{
145	/* Memory allocation failed, fail the function. */
146	Log(("vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
147	cbRecord));
148
149	if (pPartialRecord->pu8)
150	{
151	RTMemFree (pPartialRecord->pu8);
152	}
153
154	pPartialRecord->pu8 = NULL;
155	pPartialRecord->cb = 0;
156
157	return false;
158	}
159
160	/* Fetch data from the ring buffer. */
161	vbvaFetchBytes (pVBVA, pu8New + pPartialRecord->cb, cbRecord - pPartialRecord->cb);
162
163	pPartialRecord->pu8 = pu8New;
164	pPartialRecord->cb = cbRecord;
165
166	return true;
167	}
168
169	/* For contiguous chunks just return the address in the buffer.
170	* For crossing boundary - allocate a buffer from heap.
171	*/
172	static bool vbvaFetchCmd (VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA, VBVACMDHDR *ppHdr, uint32_t pcbCmd)
173	{
174	uint32_t indexRecordFirst = pVBVA->indexRecordFirst;
175	uint32_t indexRecordFree = pVBVA->indexRecordFree;
176
177	LOGVBVABUFFER(("first = %d, free = %d\n",
178	indexRecordFirst, indexRecordFree));
179
180	if (indexRecordFirst == indexRecordFree)
181	{
182	/* No records to process. Return without assigning output variables. */
183	return true;
184	}
185
186	uint32_t cbRecordCurrent = ASMAtomicReadU32(&pVBVA->aRecords[indexRecordFirst].cbRecord);
187
188	LOGVBVABUFFER(("cbRecord = 0x%08X, pPartialRecord->cb = 0x%08X\n", cbRecordCurrent, pPartialRecord->cb));
189
190	uint32_t cbRecord = cbRecordCurrent & ~VBVA_F_RECORD_PARTIAL;
191
192	if (pPartialRecord->cb)
193	{
194	/* There is a partial read in process. Continue with it. */
195	Assert (pPartialRecord->pu8);
196
197	LOGVBVABUFFER(("continue partial record cb = %d cbRecord 0x%08X, first = %d, free = %d\n",
198	pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
199
200	if (cbRecord > pPartialRecord->cb)
201	{
202	/* New data has been added to the record. */
203	if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
204	{
205	return false;
206	}
207	}
208
209	if (!(cbRecordCurrent & VBVA_F_RECORD_PARTIAL))
210	{
211	/* The record is completed by guest. Return it to the caller. */
212	ppHdr = (VBVACMDHDR )pPartialRecord->pu8;
213	*pcbCmd = pPartialRecord->cb;
214
215	pPartialRecord->pu8 = NULL;
216	pPartialRecord->cb = 0;
217
218	/* Advance the record index. */
219	pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
220
221	LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n",
222	pVBVA->off32Data, pVBVA->off32Free));
223	}
224
225	return true;
226	}
227
228	/* A new record need to be processed. */
229	if (cbRecordCurrent & VBVA_F_RECORD_PARTIAL)
230	{
231	/* Current record is being written by guest. '=' is important here,
232	* because the guest will do a FLUSH at this condition.
233	* This partial record is too large for the ring buffer and must
234	* be accumulated in an allocated buffer.
235	*/
236	if (cbRecord >= pVBVA->cbData - pVBVA->cbPartialWriteThreshold)
237	{
238	/* Partial read must be started. */
239	if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
240	{
241	return false;
242	}
243
244	LOGVBVABUFFER(("started partial record cb = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
245	pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
246	}
247
248	return true;
249	}
250
251	/* Current record is complete. If it is not empty, process it. */
252	if (cbRecord)
253	{
254	/* The size of largest contiguous chunk in the ring biffer. */
255	uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
256
257	/* The pointer to data in the ring buffer. */
258	uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
259
260	/* Fetch or point the data. */
261	if (u32BytesTillBoundary >= cbRecord)
262	{
263	/* The command does not cross buffer boundary. Return address in the buffer. */
264	ppHdr = (VBVACMDHDR )src;
265
266	/* Advance data offset. */
267	pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
268	}
269	else
270	{
271	/* The command crosses buffer boundary. Rare case, so not optimized. */
272	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
273
274	if (!dst)
275	{
276	LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
277	pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
278	return false;
279	}
280
281	vbvaFetchBytes (pVBVA, dst, cbRecord);
282
283	ppHdr = (VBVACMDHDR )dst;
284
285	LOGVBVABUFFER(("Allocated from heap %p\n", dst));
286	}
287	}
288
289	*pcbCmd = cbRecord;
290
291	/* Advance the record index. */
292	pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
293
294	LOGVBVABUFFER(("done ok, data = %d, free = %d\n",
295	pVBVA->off32Data, pVBVA->off32Free));
296
297	return true;
298	}
299
300	static void vbvaReleaseCmd (VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA, VBVACMDHDR *pHdr, uint32_t cbCmd)
301	{
302	uint8_t *au8RingBuffer = &pVBVA->au8Data[0];
303
304	if ( (uint8_t *)pHdr >= au8RingBuffer
305	&& (uint8_t *)pHdr < &au8RingBuffer[pVBVA->cbData])
306	{
307	/* The pointer is inside ring buffer. Must be continuous chunk. */
308	Assert (pVBVA->cbData - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
309
310	/* Do nothing. */
311
312	Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
313	}
314	else
315	{
316	/* The pointer is outside. It is then an allocated copy. */
317	LOGVBVABUFFER(("Free heap %p\n", pHdr));
318
319	if ((uint8_t *)pHdr == pPartialRecord->pu8)
320	{
321	pPartialRecord->pu8 = NULL;
322	pPartialRecord->cb = 0;
323	}
324	else
325	{
326	Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
327	}
328
329	RTMemFree (pHdr);
330	}
331
332	return;
333	}
334
335	static int vbvaFlushProcess (unsigned uScreenId, PVGASTATE pVGAState, VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA)
336	{
337	LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
338	uScreenId, pVBVA->indexRecordFirst, pVBVA->indexRecordFree, pVBVA->off32Data, pVBVA->off32Free));
339	struct {
340	/* The rectangle that includes all dirty rectangles. */
341	int32_t xLeft;
342	int32_t xRight;
343	int32_t yTop;
344	int32_t yBottom;
345	} dirtyRect;
346	RT_ZERO(dirtyRect);
347
348	bool fUpdate = false; /* Whether there were any updates. */
349	bool fDirtyEmpty = true;
350
351	for (;;)
352	{
353	VBVACMDHDR *phdr = NULL;
354	uint32_t cbCmd = ~0;
355
356	/* Fetch the command data. */
357	if (!vbvaFetchCmd (pPartialRecord, pVBVA, &phdr, &cbCmd))
358	{
359	LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n",
360	pVBVA->off32Data, pVBVA->off32Free));
361
362	/* @todo old code disabled VBVA processing here. */
363	return VERR_NOT_SUPPORTED;
364	}
365
366	if (cbCmd == uint32_t(~0))
367	{
368	/* No more commands yet in the queue. */
369	break;
370	}
371
372	if (cbCmd != 0)
373	{
374	if (!fUpdate)
375	{
376	pVGAState->pDrv->pfnVBVAUpdateBegin (pVGAState->pDrv, uScreenId);
377	fUpdate = true;
378	}
379
380	/* Updates the rectangle and sends the command to the VRDP server. */
381	pVGAState->pDrv->pfnVBVAUpdateProcess (pVGAState->pDrv, uScreenId, phdr, cbCmd);
382
383	int32_t xRight = phdr->x + phdr->w;
384	int32_t yBottom = phdr->y + phdr->h;
385
386	/* These are global coords, relative to the primary screen. */
387
388	LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
389	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
390	LogRel3(("%s: update command cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
391	__PRETTY_FUNCTION__, cbCmd, phdr->x, phdr->y, phdr->w,
392	phdr->h));
393
394	/* Collect all rects into one. */
395	if (fDirtyEmpty)
396	{
397	/* This is the first rectangle to be added. */
398	dirtyRect.xLeft = phdr->x;
399	dirtyRect.yTop = phdr->y;
400	dirtyRect.xRight = xRight;
401	dirtyRect.yBottom = yBottom;
402	fDirtyEmpty = false;
403	}
404	else
405	{
406	/* Adjust region coordinates. */
407	if (dirtyRect.xLeft > phdr->x)
408	{
409	dirtyRect.xLeft = phdr->x;
410	}
411
412	if (dirtyRect.yTop > phdr->y)
413	{
414	dirtyRect.yTop = phdr->y;
415	}
416
417	if (dirtyRect.xRight < xRight)
418	{
419	dirtyRect.xRight = xRight;
420	}
421
422	if (dirtyRect.yBottom < yBottom)
423	{
424	dirtyRect.yBottom = yBottom;
425	}
426	}
427	}
428
429	vbvaReleaseCmd (pPartialRecord, pVBVA, phdr, cbCmd);
430	}
431
432	if (fUpdate)
433	{
434	if (dirtyRect.xRight - dirtyRect.xLeft)
435	{
436	LogRel3(("%s: sending update screen=%d, x=%d, y=%d, w=%d, h=%d\n",
437	__PRETTY_FUNCTION__, uScreenId, dirtyRect.xLeft,
438	dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft,
439	dirtyRect.yBottom - dirtyRect.yTop));
440	pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop,
441	dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop);
442	}
443	else
444	{
445	pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, 0, 0, 0, 0);
446	}
447	}
448
449	return VINF_SUCCESS;
450	}
451
452	static int vbvaFlush (PVGASTATE pVGAState, VBVACONTEXT *pCtx)
453	{
454	unsigned uScreenId;
455
456	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
457	{
458	VBVAPARTIALRECORD *pPartialRecord = &pCtx->aViews[uScreenId].partialRecord;
459	VBVABUFFER *pVBVA = pCtx->aViews[uScreenId].pVBVA;
460
461	if (pVBVA)
462	{
463	vbvaFlushProcess (uScreenId, pVGAState, pPartialRecord, pVBVA);
464	}
465	}
466
467	/* @todo rc */
468	return VINF_SUCCESS;
469	}
470
471	static int vbvaResize (PVGASTATE pVGAState, VBVAVIEW pView, const VBVAINFOSCREEN pNewScreen)
472	{
473	/* Verify pNewScreen. */
474	/* @todo */
475
476	/* Apply these changes. */
477	pView->screen = *pNewScreen;
478
479	uint8_t *pu8VRAM = pVGAState->vram_ptrR3 + pView->view.u32ViewOffset;
480
481	int rc = pVGAState->pDrv->pfnVBVAResize (pVGAState->pDrv, &pView->view, &pView->screen, pu8VRAM);
482
483	/* @todo process VINF_VGA_RESIZE_IN_PROGRESS? */
484
485	return rc;
486	}
487
488	static int vbvaEnable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT pCtx, VBVABUFFER pVBVA, uint32_t u32Offset, bool fRestored)
489	{
490	/* @todo old code did a UpdateDisplayAll at this place. */
491
492	int rc;
493
494	if (pVGAState->pDrv->pfnVBVAEnable)
495	{
496	pVBVA->hostFlags.u32HostEvents = 0;
497	pVBVA->hostFlags.u32SupportedOrders = 0;
498	pVGAState->fGuestCaps = 0;
499	pVGAState->pDrv->pfnVBVAGuestCapabilityUpdate(pVGAState->pDrv, 0);
500
501	rc = pVGAState->pDrv->pfnVBVAEnable (pVGAState->pDrv, uScreenId, &pVBVA->hostFlags, false);
502	}
503	else
504	{
505	rc = VERR_NOT_SUPPORTED;
506	}
507
508	if (RT_SUCCESS (rc))
509	{
510	/* pVBVA->hostFlags has been set up by pfnVBVAEnable. */
511	LogFlowFunc(("u32HostEvents 0x%08X, u32SupportedOrders 0x%08X\n",
512	pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders));
513
514	if (!fRestored)
515	{
516	/* @todo Actually this function must not touch the partialRecord structure at all,
517	* because initially it is a zero and when VBVA is disabled this should be set to zero.
518	* But I'm not sure that no code depends on zeroing partialRecord here.
519	* So for now (a quick fix for 4.1) just do not do this if the VM was restored,
520	* when partialRecord might be loaded already from the saved state.
521	*/
522	pCtx->aViews[uScreenId].partialRecord.pu8 = NULL;
523	pCtx->aViews[uScreenId].partialRecord.cb = 0;
524	}
525
526	pCtx->aViews[uScreenId].pVBVA = pVBVA;
527	pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset;
528
529	/* VBVA is working so disable the pause. */
530	pCtx->fPaused = false;
531	}
532
533	return rc;
534	}
535
536	static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx)
537	{
538	/* Process any pending orders and empty the VBVA ring buffer. */
539	vbvaFlush (pVGAState, pCtx);
540
541	VBVAVIEW *pView = &pCtx->aViews[uScreenId];
542
543	if (pView->pVBVA)
544	{
545	pView->pVBVA->hostFlags.u32HostEvents = 0;
546	pView->pVBVA->hostFlags.u32SupportedOrders = 0;
547
548	pView->partialRecord.pu8 = NULL;
549	pView->partialRecord.cb = 0;
550
551	pView->pVBVA = NULL;
552	pView->u32VBVAOffset = HGSMIOFFSET_VOID;
553	}
554
555	pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
556	return VINF_SUCCESS;
557	}
558
559	bool VBVAIsEnabled(PVGASTATE pVGAState)
560	{
561	PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI;
562	if (pHGSMI)
563	{
564	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pHGSMI);
565	if (pCtx)
566	{
567	if (pCtx->cViews)
568	{
569	VBVAVIEW * pView = &pCtx->aViews[0];
570	if (pView->pVBVA)
571	return true;
572	}
573	}
574	}
575	return false;
576	}
577
578	#ifdef DEBUG_sunlover
579	void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
580	{
581	LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
582	pMouseShapeInfo->fSet,
583	pMouseShapeInfo->fVisible,
584	pMouseShapeInfo->fAlpha,
585	pMouseShapeInfo->u32HotX,
586	pMouseShapeInfo->u32HotY,
587	pMouseShapeInfo->u32Width,
588	pMouseShapeInfo->u32Height,
589	pMouseShapeInfo->pu8Shape,
590	pMouseShapeInfo->cbShape,
591	pMouseShapeInfo->cbAllocated
592	));
593	}
594	#endif
595
596	static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO pMouseShapeInfo, bool fShape, const uint8_t pu8Shape)
597	{
598	int rc;
599	LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
600	pVGAState, pMouseShapeInfo, fShape, pu8Shape));
601	#ifdef DEBUG_sunlover
602	dumpMouseShapeInfo(pMouseShapeInfo);
603	#endif
604
605	if (fShape && pu8Shape != NULL)
606	{
607	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
608	pMouseShapeInfo->fVisible,
609	pMouseShapeInfo->fAlpha,
610	pMouseShapeInfo->u32HotX,
611	pMouseShapeInfo->u32HotY,
612	pMouseShapeInfo->u32Width,
613	pMouseShapeInfo->u32Height,
614	pu8Shape);
615	}
616	else
617	{
618	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
619	pMouseShapeInfo->fVisible,
620	false,
621	0, 0,
622	0, 0,
623	NULL);
624	}
625
626	return rc;
627	}
628
629	static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT pCtx, const VBVAMOUSEPOINTERSHAPE pShape, HGSMISIZE cbShape)
630	{
631	bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
632	bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
633	bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
634
635	HGSMISIZE cbPointerData = 0;
636
637	if (fShape)
638	{
639	if (pShape->u32Width > 8192 \|\| pShape->u32Height > 8192)
640	{
641	Log(("vbvaMousePointerShape: unsupported size %ux%u\n",
642	pShape->u32Width, pShape->u32Height));
643	return VERR_INVALID_PARAMETER;
644	}
645
646	cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
647	+ pShape->u32Width * 4 * pShape->u32Height;
648	}
649
650	if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
651	{
652	Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
653	cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
654	return VERR_INVALID_PARAMETER;
655	}
656
657	/* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
658	pCtx->mouseShapeInfo.fSet = true;
659	pCtx->mouseShapeInfo.fVisible = fVisible;
660	pCtx->mouseShapeInfo.fAlpha = fAlpha;
661	if (fShape)
662	{
663	/* Data related to shape. */
664	pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
665	pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
666	pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
667	pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
668
669	/* Reallocate memory buffer if necessary. */
670	if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
671	{
672	RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
673	pCtx->mouseShapeInfo.pu8Shape = NULL;
674	pCtx->mouseShapeInfo.cbShape = 0;
675
676	uint8_t pu8Shape = (uint8_t )RTMemAlloc (cbPointerData);
677	if (pu8Shape)
678	{
679	pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
680	pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
681	}
682	}
683
684	/* Copy shape bitmaps. */
685	if (pCtx->mouseShapeInfo.pu8Shape)
686	{
687	memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
688	pCtx->mouseShapeInfo.cbShape = cbPointerData;
689	}
690	}
691
692	if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
693	{
694	return VERR_NOT_SUPPORTED;
695	}
696
697	int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
698
699	return rc;
700	}
701
702	static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT pCtx, const void pvBuffer)
703	{
704	/* Check which view contains the buffer. */
705	HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
706
707	if (offBuffer != HGSMIOFFSET_VOID)
708	{
709	unsigned uScreenId;
710
711	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
712	{
713	VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
714
715	if ( pView->u32ViewSize > 0
716	&& pView->u32ViewOffset <= offBuffer
717	&& offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
718	{
719	return pView->u32ViewIndex;
720	}
721	}
722	}
723
724	return ~0U;
725	}
726
727	#ifdef DEBUG_sunlover
728	static void dumpctx(const VBVACONTEXT *pCtx)
729	{
730	Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
731
732	uint32_t iView;
733	for (iView = 0; iView < pCtx->cViews; iView++)
734	{
735	const VBVAVIEW *pView = &pCtx->aViews[iView];
736
737	Log((" view %d o 0x%x s 0x%x m 0x%x\n",
738	pView->view.u32ViewIndex,
739	pView->view.u32ViewOffset,
740	pView->view.u32ViewSize,
741	pView->view.u32MaxScreenSize));
742
743	Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
744	pView->screen.u32ViewIndex,
745	pView->screen.i32OriginX,
746	pView->screen.i32OriginY,
747	pView->screen.u32StartOffset,
748	pView->screen.u32LineSize,
749	pView->screen.u32Width,
750	pView->screen.u32Height,
751	pView->screen.u16BitsPerPixel,
752	pView->screen.u16Flags));
753
754	Log((" VBVA o 0x%x p %p\n",
755	pView->u32VBVAOffset,
756	pView->pVBVA));
757
758	Log((" PR cb 0x%x p %p\n",
759	pView->partialRecord.cb,
760	pView->partialRecord.pu8));
761	}
762
763	dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
764	}
765	#endif /* DEBUG_sunlover */
766
767	#define VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC 0x12345678
768	#define VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC 0x9abcdef0
769
770	#ifdef VBOX_WITH_VIDEOHWACCEL
771	static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay)
772	{
773	memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
774	pHdr->cRefs = 1;
775	pHdr->iDisplay = iDisplay;
776	pHdr->rc = VERR_NOT_IMPLEMENTED;
777	pHdr->enmCmd = enmCmd;
778	pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
779	}
780
781	static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd)
782	{
783	VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAllocZ(cbCmd + VBOXVHWACMD_HEADSIZE());
784	Assert(pHdr);
785	if (pHdr)
786	vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay);
787
788	return pHdr;
789	}
790
791	DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
792	{
793	uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
794	if(!cRefs)
795	{
796	RTMemFree(pCmd);
797	}
798	}
799
800	DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
801	{
802	ASMAtomicIncU32(&pCmd->cRefs);
803	}
804
805	static void vbvaVHWACommandComplete(PVGASTATE pVGAState, PVBOXVHWACMD pCommand, bool fAsyncCommand)
806	{
807	if (fAsyncCommand)
808	{
809	Assert(pCommand->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
810	vbvaVHWACommandCompleteAsync(&pVGAState->IVBVACallbacks, pCommand);
811	}
812	else
813	{
814	Log(("VGA Command <<< Sync rc %d %#p, %d\n", pCommand->rc, pCommand, pCommand->enmCmd));
815	pCommand->Flags &= (~VBOXVHWACMD_FLAG_HG_ASYNCH);
816	}
817
818	}
819
820	static void vbvaVHWACommandCompleteAllPending(PVGASTATE pVGAState, int rc)
821	{
822	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
823	return;
824
825	VBOX_VHWA_PENDINGCMD pIter, pNext;
826
827	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
828
829	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
830	{
831	pIter->pCommand->rc = rc;
832	vbvaVHWACommandComplete(pVGAState, pIter->pCommand, true);
833
834	/* the command is submitted/processed, remove from the pend list */
835	RTListNodeRemove(&pIter->Node);
836	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
837	RTMemFree(pIter);
838	}
839
840	PDMCritSectLeave(&pVGAState->CritSect);
841	}
842
843	static void vbvaVHWACommandClearAllPending(PVGASTATE pVGAState)
844	{
845	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
846	return;
847
848	VBOX_VHWA_PENDINGCMD pIter, pNext;
849
850	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
851
852	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
853	{
854	RTListNodeRemove(&pIter->Node);
855	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
856	RTMemFree(pIter);
857	}
858
859	PDMCritSectLeave(&pVGAState->CritSect);
860	}
861
862	static void vbvaVHWACommandPend(PVGASTATE pVGAState, PVBOXVHWACMD pCommand)
863	{
864	int rc = VERR_BUFFER_OVERFLOW;
865
866	if (ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS)
867	{
868	VBOX_VHWA_PENDINGCMD pPend = (VBOX_VHWA_PENDINGCMD)RTMemAlloc(sizeof (*pPend));
869	if (pPend)
870	{
871	pCommand->Flags \|= VBOXVHWACMD_FLAG_HG_ASYNCH;
872	pPend->pCommand = pCommand;
873	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
874	if (ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS)
875	{
876	RTListAppend(&pVGAState->pendingVhwaCommands.PendingList, &pPend->Node);
877	ASMAtomicIncU32(&pVGAState->pendingVhwaCommands.cPending);
878	PDMCritSectLeave(&pVGAState->CritSect);
879	return;
880	}
881	PDMCritSectLeave(&pVGAState->CritSect);
882	LogRel(("Pending command count has reached its threshold.. completing them all.."));
883	RTMemFree(pPend);
884	}
885	else
886	rc = VERR_NO_MEMORY;
887	}
888	else
889	LogRel(("Pending command count has reached its threshold, completing them all.."));
890
891	vbvaVHWACommandCompleteAllPending(pVGAState, rc);
892
893	pCommand->rc = rc;
894
895	vbvaVHWACommandComplete(pVGAState, pCommand, false);
896	}
897
898	static bool vbvaVHWACommandCanPend(PVBOXVHWACMD pCommand)
899	{
900	switch (pCommand->enmCmd)
901	{
902	case VBOXVHWACMD_TYPE_HH_CONSTRUCT:
903	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN:
904	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND:
905	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM:
906	case VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM:
907	return false;
908	default:
909	return true;
910	}
911	}
912
913	static int vbvaVHWACommandSavePending(PVGASTATE pVGAState, PSSMHANDLE pSSM)
914	{
915	int rc = SSMR3PutU32(pSSM, pVGAState->pendingVhwaCommands.cPending);
916	AssertRCReturn(rc, rc);
917	VBOX_VHWA_PENDINGCMD *pIter;
918	RTListForEach(&pVGAState->pendingVhwaCommands.PendingList, pIter, VBOX_VHWA_PENDINGCMD, Node)
919	{
920	rc = SSMR3PutU32(pSSM, (uint32_t)(((uint8_t)pIter->pCommand) - ((uint8_t)pVGAState->vram_ptrR3)));
921	AssertRCReturn(rc, rc);
922	}
923	return rc;
924	}
925
926	static int vbvaVHWACommandLoadPending(PVGASTATE pVGAState, PSSMHANDLE pSSM, uint32_t u32Version)
927	{
928	if (u32Version < VGA_SAVEDSTATE_VERSION_WITH_PENDVHWA)
929	return VINF_SUCCESS;
930
931	int rc;
932	uint32_t u32;
933	rc = SSMR3GetU32(pSSM, &u32);
934	AssertRCReturn(rc, rc);
935	for (uint32_t i = 0; i < u32; ++i)
936	{
937	uint32_t off32;
938	rc = SSMR3GetU32(pSSM, &off32);
939	AssertRCReturn(rc, rc);
940	PVBOXVHWACMD pCommand = (PVBOXVHWACMD)(((uint8_t*)pVGAState->vram_ptrR3) + off32);
941	vbvaVHWACommandPend(pVGAState, pCommand);
942	}
943	return rc;
944	}
945
946
947	static bool vbvaVHWACommandSubmit(PVGASTATE pVGAState, PVBOXVHWACMD pCommand, bool fAsyncCommand)
948	{
949	unsigned id = (unsigned)pCommand->iDisplay;
950	bool fPend = false;
951
952	if (pVGAState->pDrv->pfnVHWACommandProcess)
953	{
954	Log(("VGA Command >>> %#p, %d\n", pCommand, pCommand->enmCmd));
955	int rc = pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCommand);
956	if (rc == VINF_CALLBACK_RETURN)
957	{
958	Log(("VGA Command --- Going Async %#p, %d\n", pCommand, pCommand->enmCmd));
959	return true; /* command will be completed asynchronously, return right away */
960	}
961	else if (rc == VERR_INVALID_STATE)
962	{
963	Log(("VGA Command --- Trying Pend %#p, %d\n", pCommand, pCommand->enmCmd));
964	fPend = vbvaVHWACommandCanPend(pCommand);
965	if (!fPend)
966	{
967	Log(("VGA Command --- Can NOT Pend %#p, %d\n", pCommand, pCommand->enmCmd));
968	pCommand->rc = rc;
969	}
970	else
971	Log(("VGA Command --- Can Pend %#p, %d\n", pCommand, pCommand->enmCmd));
972	}
973	else
974	{
975	Log(("VGA Command --- Going Complete Sync rc %d %#p, %d\n", rc, pCommand, pCommand->enmCmd));
976	pCommand->rc = rc;
977	}
978
979	/* the command was completed, take a special care about it (seee below) */
980	}
981	else
982	{
983	AssertFailed();
984	pCommand->rc = VERR_INVALID_STATE;
985	}
986
987	if (fPend)
988	return false;
989
990	vbvaVHWACommandComplete(pVGAState, pCommand, fAsyncCommand);
991
992	return true;
993	}
994
995	static bool vbvaVHWACheckPendingCommands(PVGASTATE pVGAState)
996	{
997	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
998	return true;
999
1000	VBOX_VHWA_PENDINGCMD pIter, pNext;
1001
1002	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
1003
1004	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
1005	{
1006	if (!vbvaVHWACommandSubmit(pVGAState, pIter->pCommand, true))
1007	{
1008	PDMCritSectLeave(&pVGAState->CritSect);
1009	return false; /* the command should be pended still */
1010	}
1011
1012	/* the command is submitted/processed, remove from the pend list */
1013	RTListNodeRemove(&pIter->Node);
1014	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
1015	RTMemFree(pIter);
1016	}
1017
1018	PDMCritSectLeave(&pVGAState->CritSect);
1019
1020	return true;
1021	}
1022
1023	void vbvaTimerCb(PVGASTATE pVGAState)
1024	{
1025	vbvaVHWACheckPendingCommands(pVGAState);
1026	}
1027	static void vbvaVHWAHandleCommand(PVGASTATE pVGAState, PVBOXVHWACMD pCmd)
1028	{
1029	if (vbvaVHWACheckPendingCommands(pVGAState))
1030	{
1031	if (vbvaVHWACommandSubmit(pVGAState, pCmd, false))
1032	return;
1033	}
1034
1035	vbvaVHWACommandPend(pVGAState, pCmd);
1036	}
1037
1038	static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
1039	{
1040	RTSemEventSignal((RTSEMEVENT)pContext);
1041	}
1042
1043	static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
1044	{
1045	RTSEMEVENT hComplEvent;
1046	int rc = RTSemEventCreate(&hComplEvent);
1047	AssertRC(rc);
1048	if(RT_SUCCESS(rc))
1049	{
1050	/* ensure the cmd is not deleted until we process it */
1051	vbvaVHWAHHCommandRetain (pCmd);
1052	VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
1053	vbvaVHWAHandleCommand(pVGAState, pCmd);
1054	if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
1055	{
1056	rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
1057	}
1058	else
1059	{
1060	/* the command is completed */
1061	}
1062
1063	AssertRC(rc);
1064	if(RT_SUCCESS(rc))
1065	{
1066	RTSemEventDestroy(hComplEvent);
1067	}
1068	vbvaVHWAHHCommandRelease(pCmd);
1069	}
1070	return rc;
1071	}
1072
1073	int vbvaVHWAConstruct (PVGASTATE pVGAState)
1074	{
1075	pVGAState->pendingVhwaCommands.cPending = 0;
1076	RTListInit(&pVGAState->pendingVhwaCommands.PendingList);
1077
1078	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1079	Assert(pCmd);
1080	if(pCmd)
1081	{
1082	uint32_t iDisplay = 0;
1083	int rc = VINF_SUCCESS;
1084	VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
1085
1086	do
1087	{
1088	memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1089
1090	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1091	PVM pVM = PDMDevHlpGetVM(pDevIns);
1092
1093	pBody->pVM = pVM;
1094	pBody->pvVRAM = pVGAState->vram_ptrR3;
1095	pBody->cbVRAM = pVGAState->vram_size;
1096
1097	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1098	AssertRC(rc);
1099	if(RT_SUCCESS(rc))
1100	{
1101	rc = pCmd->rc;
1102	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1103	if(rc == VERR_NOT_IMPLEMENTED)
1104	{
1105	/* @todo: set some flag in pVGAState indicating VHWA is not supported */
1106	/* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
1107	rc = VINF_SUCCESS;
1108	}
1109
1110	if (!RT_SUCCESS(rc))
1111	break;
1112	}
1113	else
1114	break;
1115
1116	++iDisplay;
1117	if (iDisplay >= pVGAState->cMonitors)
1118	break;
1119	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay);
1120	} while (true);
1121
1122	vbvaVHWAHHCommandRelease(pCmd);
1123
1124	return rc;
1125	}
1126	return VERR_OUT_OF_RESOURCES;
1127	}
1128
1129	int vbvaVHWAReset (PVGASTATE pVGAState)
1130	{
1131	vbvaVHWACommandClearAllPending(pVGAState);
1132
1133	/* ensure we have all pending cmds processed and h->g cmds disabled */
1134	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0);
1135	Assert(pCmd);
1136	if(pCmd)
1137	{
1138	int rc = VINF_SUCCESS;
1139	uint32_t iDisplay = 0;
1140
1141	do
1142	{
1143	rc =vbvaVHWAHHCommandPost(pVGAState, pCmd);
1144	AssertRC(rc);
1145	if(RT_SUCCESS(rc))
1146	{
1147	rc = pCmd->rc;
1148	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1149	if (rc == VERR_NOT_IMPLEMENTED)
1150	rc = VINF_SUCCESS;
1151	}
1152
1153	if (!RT_SUCCESS(rc))
1154	break;
1155
1156	++iDisplay;
1157	if (iDisplay >= pVGAState->cMonitors)
1158	break;
1159	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay);
1160
1161	} while (true);
1162
1163	vbvaVHWAHHCommandRelease(pCmd);
1164
1165	return rc;
1166	}
1167	return VERR_OUT_OF_RESOURCES;
1168	}
1169
1170	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPRECB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext);
1171	typedef FNVBOXVHWAHHCMDPRECB *PFNVBOXVHWAHHCMDPRECB;
1172
1173	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPOSTCB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext);
1174	typedef FNVBOXVHWAHHCMDPOSTCB *PFNVBOXVHWAHHCMDPOSTCB;
1175
1176	int vbvaVHWAHHPost(PVGASTATE pVGAState, VBOXVHWACMD pCmd, PFNVBOXVHWAHHCMDPRECB pfnPre, PFNVBOXVHWAHHCMDPOSTCB pfnPost, void pvContext)
1177	{
1178	const VBOXVHWACMD_TYPE enmType = pCmd->enmCmd;
1179	int rc = VINF_SUCCESS;
1180	uint32_t iDisplay = 0;
1181
1182	do
1183	{
1184	if (!pfnPre \|\| pfnPre(pVGAState, pCmd, iDisplay, pvContext))
1185	{
1186	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1187	AssertRC(rc);
1188	if (pfnPost)
1189	{
1190	if (!pfnPost(pVGAState, pCmd, iDisplay, rc, pvContext))
1191	{
1192	rc = VINF_SUCCESS;
1193	break;
1194	}
1195	rc = VINF_SUCCESS;
1196	}
1197	else if(RT_SUCCESS(rc))
1198	{
1199	rc = pCmd->rc;
1200	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1201	if(rc == VERR_NOT_IMPLEMENTED)
1202	{
1203	rc = VINF_SUCCESS;
1204	}
1205	}
1206
1207	if (!RT_SUCCESS(rc))
1208	break;
1209	}
1210
1211	++iDisplay;
1212	if (iDisplay >= pVGAState->cMonitors)
1213	break;
1214	vbvaVHWAHHCommandReinit(pCmd, enmType, (int32_t)iDisplay);
1215	} while (true);
1216
1217	return rc;
1218	}
1219
1220	/* @todo call this also on reset? */
1221	int vbvaVHWAEnable (PVGASTATE pVGAState, bool bEnable)
1222	{
1223	const VBOXVHWACMD_TYPE enmType = bEnable ? VBOXVHWACMD_TYPE_HH_ENABLE : VBOXVHWACMD_TYPE_HH_DISABLE;
1224	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState,
1225	enmType,
1226	0, 0);
1227	Assert(pCmd);
1228	if(pCmd)
1229	{
1230	int rc = vbvaVHWAHHPost (pVGAState, pCmd, NULL, NULL, NULL);
1231	vbvaVHWAHHCommandRelease(pCmd);
1232	return rc;
1233	}
1234	return VERR_OUT_OF_RESOURCES;
1235	}
1236
1237	int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1238	{
1239	/* ensure we have no pending commands */
1240	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), false);
1241	}
1242
1243	int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1244	{
1245	/* ensure we have no pending commands */
1246	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), true);
1247	}
1248
1249	int vbvaVHWACommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1250	{
1251	int rc;
1252	Log(("VGA Command <<< Async rc %d %#p, %d\n", pCmd->rc, pCmd, pCmd->enmCmd));
1253
1254	if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1255	{
1256	PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1257	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1258
1259	Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1260	#ifdef VBOX_WITH_WDDM
1261	if (pVGAState->fGuestCaps & VBVACAPS_COMPLETEGCMD_BY_IOREAD)
1262	{
1263	rc = HGSMICompleteGuestCommand(pIns, pCmd, !!(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ));
1264	AssertRC(rc);
1265	}
1266	else
1267	#endif
1268	{
1269	VBVAHOSTCMD *pHostCmd;
1270	int32_t iDisplay = pCmd->iDisplay;
1271
1272	if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1273	{
1274	rc = HGSMIHostCommandAlloc (pIns,
1275	(void**)&pHostCmd,
1276	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1277	HGSMI_CH_VBVA,
1278	VBVAHG_EVENT);
1279	AssertRC(rc);
1280	if(RT_SUCCESS(rc))
1281	{
1282	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1283	pHostCmd->iDstID = pCmd->iDisplay;
1284	pHostCmd->customOpCode = 0;
1285	VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1286	pBody->pEvent = pCmd->GuestVBVAReserved1;
1287	}
1288	}
1289	else
1290	{
1291	HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1292	Assert(offCmd != HGSMIOFFSET_VOID);
1293	if(offCmd != HGSMIOFFSET_VOID)
1294	{
1295	rc = HGSMIHostCommandAlloc (pIns,
1296	(void**)&pHostCmd,
1297	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1298	HGSMI_CH_VBVA,
1299	VBVAHG_DISPLAY_CUSTOM);
1300	AssertRC(rc);
1301	if(RT_SUCCESS(rc))
1302	{
1303	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1304	pHostCmd->iDstID = pCmd->iDisplay;
1305	pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1306	VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1307	pBody->offCmd = offCmd;
1308	}
1309	}
1310	else
1311	{
1312	rc = VERR_INVALID_PARAMETER;
1313	}
1314	}
1315
1316	if(RT_SUCCESS(rc))
1317	{
1318	rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1319	AssertRC(rc);
1320	if(RT_SUCCESS(rc))
1321	{
1322	return rc;
1323	}
1324	HGSMIHostCommandFree (pIns, pHostCmd);
1325	}
1326	}
1327	}
1328	else
1329	{
1330	PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1331	if(pfn)
1332	{
1333	pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1334	}
1335	rc = VINF_SUCCESS;
1336	}
1337	return rc;
1338	}
1339
1340	typedef struct VBOXVBVASAVEDSTATECBDATA
1341	{
1342	PSSMHANDLE pSSM;
1343	int rc;
1344	bool ab2DOn[VBOX_VIDEO_MAX_SCREENS];
1345	} VBOXVBVASAVEDSTATECBDATA, *PVBOXVBVASAVEDSTATECBDATA;
1346
1347	static DECLCALLBACK(bool) vboxVBVASaveStateBeginPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1348	{
1349	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1350	if (RT_FAILURE(pData->rc))
1351	return false;
1352	if (RT_FAILURE(rc))
1353	{
1354	pData->rc = rc;
1355	return false;
1356	}
1357
1358	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1359	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1360	{
1361	pData->rc = VERR_INVALID_PARAMETER;
1362	return false;
1363	}
1364
1365	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1366	if (RT_SUCCESS(pCmd->rc))
1367	{
1368	pData->ab2DOn[iDisplay] = true;
1369	}
1370	else if (pCmd->rc != VERR_NOT_IMPLEMENTED)
1371	{
1372	pData->rc = pCmd->rc;
1373	return false;
1374	}
1375
1376	return true;
1377	}
1378
1379	static DECLCALLBACK(bool) vboxVBVASaveStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1380	{
1381	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1382	if (RT_FAILURE(pData->rc))
1383	return false;
1384
1385	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1386	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1387	{
1388	pData->rc = VERR_INVALID_PARAMETER;
1389	return false;
1390	}
1391
1392	int rc;
1393
1394	if (pData->ab2DOn[iDisplay])
1395	{
1396	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC); AssertRC(rc);
1397	if (RT_FAILURE(rc))
1398	{
1399	pData->rc = rc;
1400	return false;
1401	}
1402	return true;
1403	}
1404
1405	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRC(rc);
1406	if (RT_FAILURE(rc))
1407	{
1408	pData->rc = rc;
1409	return false;
1410	}
1411
1412	return false;
1413	}
1414
1415	static DECLCALLBACK(bool) vboxVBVASaveStateEndPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1416	{
1417	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1418	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1419	if (pData->ab2DOn[iDisplay])
1420	{
1421	return true;
1422	}
1423
1424	return false;
1425	}
1426
1427	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1428	{
1429	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1430	if (RT_FAILURE(pData->rc))
1431	return false;
1432	if (RT_FAILURE(rc))
1433	{
1434	pData->rc = rc;
1435	return false;
1436	}
1437
1438	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1439	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1440	{
1441	pData->rc = VERR_INVALID_PARAMETER;
1442	return false;
1443	}
1444
1445	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1446	if (pCmd->rc == VERR_NOT_IMPLEMENTED)
1447	{
1448	pData->rc = SSMR3SkipToEndOfUnit(pData->pSSM);
1449	AssertRC(pData->rc);
1450	return false;
1451	}
1452	if (RT_FAILURE(pCmd->rc))
1453	{
1454	pData->rc = pCmd->rc;
1455	return false;
1456	}
1457
1458	return true;
1459	}
1460
1461	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1462	{
1463	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1464	if (RT_FAILURE(pData->rc))
1465	return false;
1466
1467	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1468	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1469	{
1470	pData->rc = VERR_INVALID_PARAMETER;
1471	return false;
1472	}
1473
1474	int rc;
1475	uint32_t u32;
1476	rc = SSMR3GetU32(pData->pSSM, &u32); AssertRC(rc);
1477	if (RT_FAILURE(rc))
1478	{
1479	pData->rc = rc;
1480	return false;
1481	}
1482
1483	switch (u32)
1484	{
1485	case VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC:
1486	pData->ab2DOn[iDisplay] = true;
1487	return true;
1488	case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC:
1489	pData->ab2DOn[iDisplay] = false;
1490	return false;
1491	default:
1492	pData->rc = VERR_INVALID_STATE;
1493	return false;
1494	}
1495	}
1496	#endif /* #ifdef VBOX_WITH_VIDEOHWACCEL */
1497
1498	int vboxVBVASaveDevStateExec (PVGASTATE pVGAState, PSSMHANDLE pSSM)
1499	{
1500	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1501	int rc = HGSMIHostSaveStateExec (pIns, pSSM);
1502	if (RT_SUCCESS(rc))
1503	{
1504	/* Save VBVACONTEXT. */
1505	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1506
1507	if (!pCtx)
1508	{
1509	AssertFailed();
1510
1511	/* Still write a valid value to the SSM. */
1512	rc = SSMR3PutU32 (pSSM, 0);
1513	AssertRCReturn(rc, rc);
1514	}
1515	else
1516	{
1517	#ifdef DEBUG_sunlover
1518	dumpctx(pCtx);
1519	#endif
1520
1521	rc = SSMR3PutU32 (pSSM, pCtx->cViews);
1522	AssertRCReturn(rc, rc);
1523
1524	uint32_t iView;
1525	for (iView = 0; iView < pCtx->cViews; iView++)
1526	{
1527	VBVAVIEW *pView = &pCtx->aViews[iView];
1528
1529	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
1530	AssertRCReturn(rc, rc);
1531	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
1532	AssertRCReturn(rc, rc);
1533	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
1534	AssertRCReturn(rc, rc);
1535	rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
1536	AssertRCReturn(rc, rc);
1537
1538	rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
1539	AssertRCReturn(rc, rc);
1540	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
1541	AssertRCReturn(rc, rc);
1542	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
1543	AssertRCReturn(rc, rc);
1544	rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
1545	AssertRCReturn(rc, rc);
1546	rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
1547	AssertRCReturn(rc, rc);
1548	rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
1549	AssertRCReturn(rc, rc);
1550	rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
1551	AssertRCReturn(rc, rc);
1552	rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
1553	AssertRCReturn(rc, rc);
1554	rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
1555	AssertRCReturn(rc, rc);
1556
1557	rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
1558	AssertRCReturn(rc, rc);
1559
1560	rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
1561	AssertRCReturn(rc, rc);
1562
1563	if (pView->partialRecord.cb > 0)
1564	{
1565	rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1566	AssertRCReturn(rc, rc);
1567	}
1568	}
1569
1570	/* Save mouse pointer shape information. */
1571	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
1572	AssertRCReturn(rc, rc);
1573	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
1574	AssertRCReturn(rc, rc);
1575	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
1576	AssertRCReturn(rc, rc);
1577	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
1578	AssertRCReturn(rc, rc);
1579	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
1580	AssertRCReturn(rc, rc);
1581	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
1582	AssertRCReturn(rc, rc);
1583	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
1584	AssertRCReturn(rc, rc);
1585	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
1586	AssertRCReturn(rc, rc);
1587	if (pCtx->mouseShapeInfo.cbShape)
1588	{
1589	rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1590	AssertRCReturn(rc, rc);
1591	}
1592
1593	#ifdef VBOX_WITH_WDDM
1594	/* Size of some additional data. For future extensions. */
1595	rc = SSMR3PutU32 (pSSM, 4);
1596	AssertRCReturn(rc, rc);
1597	rc = SSMR3PutU32 (pSSM, pVGAState->fGuestCaps);
1598	AssertRCReturn(rc, rc);
1599	#else
1600	/* Size of some additional data. For future extensions. */
1601	rc = SSMR3PutU32 (pSSM, 0);
1602	AssertRCReturn(rc, rc);
1603	#endif
1604	rc = SSMR3PutU32 (pSSM, RT_ELEMENTS(pCtx->aModeHints));
1605	AssertRCReturn(rc, rc);
1606	rc = SSMR3PutU32 (pSSM, sizeof(VBVAMODEHINT));
1607	AssertRCReturn(rc, rc);
1608	for (unsigned i = 0; i < RT_ELEMENTS(pCtx->aModeHints); ++i)
1609	{
1610	rc = SSMR3PutMem (pSSM, &pCtx->aModeHints[i],
1611	sizeof(VBVAMODEHINT));
1612	AssertRCReturn(rc, rc);
1613	}
1614	}
1615	}
1616
1617	return rc;
1618	}
1619
1620	int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1621	{
1622	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1623	int rc;
1624	#ifdef VBOX_WITH_VIDEOHWACCEL
1625	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1626	VhwaData.pSSM = pSSM;
1627	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); /* maximum cmd size */
1628	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd);
1629	Assert(pCmd);
1630	if(pCmd)
1631	{
1632	vbvaVHWAHHPost (pVGAState, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData);
1633	rc = VhwaData.rc;
1634	AssertRC(rc);
1635	if (RT_SUCCESS(rc))
1636	{
1637	#endif
1638	rc = vboxVBVASaveDevStateExec (pVGAState, pSSM);
1639	AssertRC(rc);
1640	#ifdef VBOX_WITH_VIDEOHWACCEL
1641	if (RT_SUCCESS(rc))
1642	{
1643	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM, 0);
1644	VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM *pSave = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM);
1645	pSave->pSSM = pSSM;
1646	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData);
1647	rc = VhwaData.rc;
1648	AssertRC(rc);
1649	if (RT_SUCCESS(rc))
1650	{
1651	rc = vbvaVHWACommandSavePending(pVGAState, pSSM);
1652	AssertRCReturn(rc, rc);
1653
1654	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0);
1655	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStateEndPreCb, NULL, &VhwaData);
1656	rc = VhwaData.rc;
1657	AssertRC(rc);
1658	}
1659	}
1660	}
1661
1662	vbvaVHWAHHCommandRelease(pCmd);
1663	}
1664	else
1665	rc = VERR_OUT_OF_RESOURCES;
1666	#else
1667	if (RT_SUCCESS(rc))
1668	{
1669	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1670	{
1671	rc = SSMR3PutU32 (pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC);
1672	AssertRCReturn(rc, rc);
1673	}
1674	}
1675
1676	/* no pending commands */
1677	SSMR3PutU32(pSSM, 0);
1678	#endif
1679	return rc;
1680	}
1681
1682	int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
1683	{
1684	if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
1685	{
1686	/* Nothing was saved. */
1687	return VINF_SUCCESS;
1688	}
1689
1690	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1691	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1692	int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
1693	if (RT_SUCCESS(rc))
1694	{
1695	/* Load VBVACONTEXT. */
1696	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1697
1698	if (!pCtx)
1699	{
1700	/* This should not happen. */
1701	AssertFailed();
1702	rc = VERR_INVALID_PARAMETER;
1703	}
1704	else
1705	{
1706	uint32_t cViews = 0;
1707	rc = SSMR3GetU32 (pSSM, &cViews);
1708	AssertRCReturn(rc, rc);
1709
1710	uint32_t iView;
1711	for (iView = 0; iView < cViews; iView++)
1712	{
1713	VBVAVIEW *pView = &pCtx->aViews[iView];
1714
1715	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
1716	AssertRCReturn(rc, rc);
1717	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
1718	AssertRCReturn(rc, rc);
1719	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
1720	AssertRCReturn(rc, rc);
1721	rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
1722	AssertRCReturn(rc, rc);
1723
1724	rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
1725	AssertRCReturn(rc, rc);
1726	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
1727	AssertRCReturn(rc, rc);
1728	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
1729	AssertRCReturn(rc, rc);
1730	rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
1731	AssertRCReturn(rc, rc);
1732	rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
1733	AssertRCReturn(rc, rc);
1734	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
1735	AssertRCReturn(rc, rc);
1736	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
1737	AssertRCReturn(rc, rc);
1738	rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
1739	AssertRCReturn(rc, rc);
1740	rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
1741	AssertRCReturn(rc, rc);
1742
1743	rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
1744	AssertRCReturn(rc, rc);
1745
1746	rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
1747	AssertRCReturn(rc, rc);
1748
1749	if (pView->partialRecord.cb == 0)
1750	{
1751	pView->partialRecord.pu8 = NULL;
1752	}
1753	else
1754	{
1755	Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
1756
1757	uint8_t pu8 = (uint8_t )RTMemAlloc (pView->partialRecord.cb);
1758
1759	if (!pu8)
1760	{
1761	return VERR_NO_MEMORY;
1762	}
1763
1764	pView->partialRecord.pu8 = pu8;
1765
1766	rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1767	AssertRCReturn(rc, rc);
1768	}
1769
1770	if (pView->u32VBVAOffset == HGSMIOFFSET_VOID)
1771	{
1772	pView->pVBVA = NULL;
1773	}
1774	else
1775	{
1776	pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
1777	}
1778	}
1779
1780	if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
1781	{
1782	/* Read mouse pointer shape information. */
1783	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
1784	AssertRCReturn(rc, rc);
1785	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
1786	AssertRCReturn(rc, rc);
1787	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
1788	AssertRCReturn(rc, rc);
1789	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
1790	AssertRCReturn(rc, rc);
1791	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
1792	AssertRCReturn(rc, rc);
1793	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
1794	AssertRCReturn(rc, rc);
1795	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
1796	AssertRCReturn(rc, rc);
1797	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
1798	AssertRCReturn(rc, rc);
1799	if (pCtx->mouseShapeInfo.cbShape)
1800	{
1801	pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
1802	if (pCtx->mouseShapeInfo.pu8Shape == NULL)
1803	{
1804	return VERR_NO_MEMORY;
1805	}
1806	pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
1807	rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1808	AssertRCReturn(rc, rc);
1809	}
1810	else
1811	{
1812	pCtx->mouseShapeInfo.pu8Shape = NULL;
1813	}
1814
1815	/* Size of some additional data. For future extensions. */
1816	uint32_t cbExtra = 0;
1817	rc = SSMR3GetU32 (pSSM, &cbExtra);
1818	AssertRCReturn(rc, rc);
1819	#ifdef VBOX_WITH_WDDM
1820	if (cbExtra >= 4)
1821	{
1822	rc = SSMR3GetU32 (pSSM, &pVGAState->fGuestCaps);
1823	AssertRCReturn(rc, rc);
1824	cbExtra -= 4;
1825	}
1826	#endif
1827	if (cbExtra > 0)
1828	{
1829	rc = SSMR3Skip(pSSM, cbExtra);
1830	AssertRCReturn(rc, rc);
1831	}
1832
1833	if (u32Version >= VGA_SAVEDSTATE_VERSION_MODE_HINTS)
1834	{
1835	uint32_t cModeHints, cbModeHints;
1836	rc = SSMR3GetU32 (pSSM, &cModeHints);
1837	AssertRCReturn(rc, rc);
1838	rc = SSMR3GetU32 (pSSM, &cbModeHints);
1839	AssertRCReturn(rc, rc);
1840	memset(&pCtx->aModeHints, ~0, sizeof(pCtx->aModeHints));
1841	unsigned iHint;
1842	for (iHint = 0; iHint < cModeHints; ++iHint)
1843	{
1844	if ( cbModeHints <= sizeof(VBVAMODEHINT)
1845	&& iHint < RT_ELEMENTS(pCtx->aModeHints))
1846	rc = SSMR3GetMem(pSSM, &pCtx->aModeHints[iHint],
1847	cbModeHints);
1848	else
1849	rc = SSMR3Skip(pSSM, cbModeHints);
1850	AssertRCReturn(rc, rc);
1851	}
1852	}
1853	}
1854
1855	pCtx->cViews = iView;
1856	LogFlowFunc(("%d views loaded\n", pCtx->cViews));
1857
1858	if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM)
1859	{
1860	bool fLoadCommands;
1861
1862	if (u32Version < VGA_SAVEDSTATE_VERSION_FIXED_PENDVHWA)
1863	{
1864	const char *pcszOsArch = SSMR3HandleHostOSAndArch(pSSM);
1865	Assert(pcszOsArch);
1866	fLoadCommands = !pcszOsArch \|\| RTStrNCmp(pcszOsArch, RT_STR_TUPLE("solaris"));
1867	}
1868	else
1869	fLoadCommands = true;
1870
1871	#ifdef VBOX_WITH_VIDEOHWACCEL
1872	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */
1873	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd);
1874	Assert(pCmd);
1875	if(pCmd)
1876	{
1877	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1878	VhwaData.pSSM = pSSM;
1879	VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM);
1880	pLoad->pSSM = pSSM;
1881	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData);
1882	rc = VhwaData.rc;
1883	vbvaVHWAHHCommandRelease(pCmd);
1884	AssertRCReturn(rc, rc);
1885
1886	if (fLoadCommands)
1887	{
1888	rc = vbvaVHWACommandLoadPending(pVGAState, pSSM, u32Version);
1889	AssertRCReturn(rc, rc);
1890	}
1891	}
1892	else
1893	{
1894	rc = VERR_OUT_OF_RESOURCES;
1895	}
1896	#else
1897	uint32_t u32;
1898
1899	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1900	{
1901	rc = SSMR3GetU32(pSSM, &u32);
1902	AssertRCReturn(rc, rc);
1903
1904	if (u32 != VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC)
1905	{
1906	LogRel(("2D data while 2D is not supported\n"));
1907	return VERR_NOT_SUPPORTED;
1908	}
1909	}
1910
1911	if (fLoadCommands)
1912	{
1913	rc = SSMR3GetU32(pSSM, &u32);
1914	AssertRCReturn(rc, rc);
1915
1916	if (u32)
1917	{
1918	LogRel(("2D pending command while 2D is not supported\n"));
1919	return VERR_NOT_SUPPORTED;
1920	}
1921	}
1922	#endif
1923	}
1924
1925	#ifdef DEBUG_sunlover
1926	dumpctx(pCtx);
1927	#endif
1928	}
1929	}
1930
1931	return rc;
1932	}
1933
1934	int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1935	{
1936	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1937	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
1938
1939	if (pCtx)
1940	{
1941	uint32_t iView;
1942	for (iView = 0; iView < pCtx->cViews; iView++)
1943	{
1944	VBVAVIEW *pView = &pCtx->aViews[iView];
1945
1946	if (pView->pVBVA)
1947	{
1948	#ifdef VBOX_WITH_CRHGSMI
1949	Assert(!vboxCmdVBVAIsEnabled(pVGAState));
1950	#endif
1951	vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset, true /* fRestored */);
1952	vbvaResize (pVGAState, pView, &pView->screen);
1953	}
1954	}
1955
1956	if (pCtx->mouseShapeInfo.fSet)
1957	{
1958	vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1959	}
1960	}
1961
1962	return VINF_SUCCESS;
1963	}
1964
1965	void VBVARaiseIrq (PVGASTATE pVGAState, uint32_t fFlags)
1966	{
1967	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1968	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
1969
1970	HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ \| fFlags);
1971	PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1972
1973	PDMCritSectLeave(&pVGAState->CritSect);
1974	}
1975
1976	static DECLCALLBACK(int) vbvaRaiseIrqEMT(PVGASTATE pVGAState, uint32_t fFlags)
1977	{
1978	VBVARaiseIrq(pVGAState, fFlags);
1979	return VINF_SUCCESS;
1980	}
1981
1982	void VBVARaiseIrqNoWait(PVGASTATE pVGAState, uint32_t fFlags)
1983	{
1984	/* we can not use PDMDevHlpPCISetIrqNoWait here, because we need to set IRG host flag and raise IRQ atomically,
1985	* otherwise there might be a situation, when:
1986	* 1. Flag is set
1987	* 2. guest issues an IRQ clean request, that cleans up the flag and the interrupt
1988	* 3. IRQ is set */
1989	VMR3ReqCallNoWait(PDMDevHlpGetVM(pVGAState->pDevInsR3), VMCPUID_ANY, (PFNRT)vbvaRaiseIrqEMT, 2, pVGAState, fFlags);
1990	}
1991
1992	int VBVAInfoView(PVGASTATE pVGAState, VBVAINFOVIEW *pView)
1993	{
1994	LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1995	pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1996
1997	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1998	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1999
2000	/* @todo verify view data. */
2001	if (pView->u32ViewIndex >= pCtx->cViews)
2002	{
2003	Log(("View index too large %d!!!\n",
2004	pView->u32ViewIndex));
2005	return VERR_INVALID_PARAMETER;
2006	}
2007
2008	pCtx->aViews[pView->u32ViewIndex].view = *pView;
2009
2010	return VINF_SUCCESS;
2011	}
2012
2013	int VBVAInfoScreen(PVGASTATE pVGAState, VBVAINFOSCREEN *pScreen)
2014	{
2015	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
2016	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
2017	VBVAINFOVIEW *pView = &pCtx->aViews[pScreen->u32ViewIndex].view;
2018	/* Calculate the offset of the end of the screen so we can make
2019	* sure it is inside the view. I assume that screen rollover is not
2020	* implemented. */
2021	int64_t offEnd = (int64_t)pScreen->u32Height * pScreen->u32LineSize
2022	+ pScreen->u32Width + pScreen->u32StartOffset;
2023	LogRel(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
2024	pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
2025	pScreen->u32Width, pScreen->u32Height,
2026	pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
2027
2028	if ( pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews)
2029	&& pScreen->u16BitsPerPixel <= 32
2030	&& pScreen->u32Width <= UINT16_MAX
2031	&& pScreen->u32Height <= UINT16_MAX
2032	&& pScreen->u32LineSize <= UINT16_MAX * 4
2033	&& offEnd < pView->u32MaxScreenSize)
2034	{
2035	vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
2036	return VINF_SUCCESS;
2037	}
2038
2039	LogRelFlow(("VBVA_INFO_SCREEN [%lu]: bad data: %lux%lu, line 0x%lx, BPP %u, start offset %lu, max screen size %lu\n",
2040	(unsigned long)pScreen->u32ViewIndex,
2041	(unsigned long)pScreen->u32Width,
2042	(unsigned long)pScreen->u32Height,
2043	(unsigned long)pScreen->u32LineSize,
2044	(unsigned long)pScreen->u16BitsPerPixel,
2045	(unsigned long)pScreen->u32StartOffset,
2046	(unsigned long)pView->u32MaxScreenSize));
2047	return VERR_INVALID_PARAMETER;
2048	}
2049
2050	int VBVAGetInfoViewAndScreen(PVGASTATE pVGAState, uint32_t u32ViewIndex, VBVAINFOVIEW pView, VBVAINFOSCREEN pScreen)
2051	{
2052	if (u32ViewIndex >= pVGAState->cMonitors)
2053	return VERR_INVALID_PARAMETER;
2054
2055	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
2056	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
2057
2058	if (pView)
2059	*pView = pCtx->aViews[u32ViewIndex].view;
2060
2061	if (pScreen)
2062	*pScreen = pCtx->aViews[u32ViewIndex].screen;
2063
2064	return VINF_SUCCESS;
2065	}
2066
2067
2068	/*
2069	*
2070	* New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
2071	*
2072	* VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
2073	* Read Write
2074	* Host port 0x3b0 to process completed
2075	* Guest port 0x3d0 control value? to process
2076	*
2077	*/
2078
2079	static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
2080	{
2081	#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_VDMA) \|\| defined(VBOX_WITH_WDDM))
2082	PVGASTATE pVGAState = (PVGASTATE)pvCallback;
2083	VBVARaiseIrqNoWait (pVGAState, 0);
2084	#else
2085	NOREF(pvCallback);
2086	/* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
2087	#endif
2088	}
2089
2090	/* The guest submitted a buffer. @todo Verify all guest data. */
2091	static DECLCALLBACK(int) vbvaChannelHandler (void pvHandler, uint16_t u16ChannelInfo, void pvBuffer, HGSMISIZE cbBuffer)
2092	{
2093	int rc = VINF_SUCCESS;
2094
2095	LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
2096	pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
2097
2098	PVGASTATE pVGAState = (PVGASTATE)pvHandler;
2099	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
2100	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
2101
2102	switch (u16ChannelInfo)
2103	{
2104	case VBVA_CMDVBVA_SUBMIT:
2105	{
2106	# ifdef VBOX_WITH_CRHGSMI
2107	rc = vboxCmdVBVACmdSubmit(pVGAState);
2108	#endif
2109	break;
2110	}
2111	case VBVA_CMDVBVA_FLUSH:
2112	{
2113	# ifdef VBOX_WITH_CRHGSMI
2114	rc =vboxCmdVBVACmdFlush(pVGAState);
2115	#endif
2116	break;
2117	}
2118	case VBVA_CMDVBVA_CTL:
2119	{
2120	#ifdef VBOX_WITH_CRHGSMI
2121	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXCMDVBVA_CTL))
2122	{
2123	Log(("buffer too small\n"));
2124	#ifdef DEBUG_misha
2125	AssertMsgFailed(("buffer too small\n"));
2126	#endif
2127	rc = VERR_INVALID_PARAMETER;
2128	break;
2129	}
2130	VBOXCMDVBVA_CTL pCtl = (VBOXCMDVBVA_CTL)VBoxSHGSMIBufferData((PVBOXSHGSMIHEADER)pvBuffer);
2131	rc = vboxCmdVBVACmdCtl(pVGAState, pCtl, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2132	#endif
2133	break;
2134	}
2135	#ifdef VBOX_WITH_VDMA
2136	case VBVA_VDMA_CMD:
2137	{
2138	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMACBUF_DR))
2139	{
2140	rc = VERR_INVALID_PARAMETER;
2141	break;
2142	}
2143	PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
2144	vboxVDMACommand(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2145	rc = VINF_SUCCESS;
2146	break;
2147	}
2148	case VBVA_VDMA_CTL:
2149	{
2150	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMA_CTL))
2151	{
2152	rc = VERR_INVALID_PARAMETER;
2153	break;
2154	}
2155	PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
2156	vboxVDMAControl(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2157	rc = VINF_SUCCESS;
2158	break;
2159	}
2160	#endif
2161	case VBVA_QUERY_CONF32:
2162	{
2163	if (cbBuffer < sizeof (VBVACONF32))
2164	{
2165	rc = VERR_INVALID_PARAMETER;
2166	break;
2167	}
2168
2169	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
2170	LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
2171	pConf32->u32Index, pConf32->u32Value));
2172
2173	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
2174	{
2175	pConf32->u32Value = pCtx->cViews;
2176	}
2177	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
2178	{
2179	/* @todo a value calculated from the vram size */
2180	pConf32->u32Value = 64*_1K;
2181	}
2182	else if (pConf32->u32Index == VBOX_VBVA_CONF32_MODE_HINT_REPORTING)
2183	{
2184	pConf32->u32Value = VINF_SUCCESS;
2185	}
2186	else
2187	{
2188	Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
2189	pConf32->u32Index));
2190	rc = VERR_INVALID_PARAMETER;
2191	}
2192	} break;
2193
2194	case VBVA_SET_CONF32:
2195	{
2196	if (cbBuffer < sizeof (VBVACONF32))
2197	{
2198	rc = VERR_INVALID_PARAMETER;
2199	break;
2200	}
2201
2202	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
2203	LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
2204	pConf32->u32Index, pConf32->u32Value));
2205
2206	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
2207	{
2208	/* do nothing. this is a const. */
2209	}
2210	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
2211	{
2212	/* do nothing. this is a const. */
2213	}
2214	else
2215	{
2216	Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
2217	pConf32->u32Index));
2218	rc = VERR_INVALID_PARAMETER;
2219	}
2220	} break;
2221
2222	case VBVA_INFO_VIEW:
2223	{
2224	#ifdef VBOX_WITH_CRHGSMI
2225	if (vboxCmdVBVAIsEnabled(pVGAState))
2226	{
2227	AssertMsgFailed(("VBVA_INFO_VIEW is not acceptible for CmdVbva\n"));
2228	rc = VERR_INVALID_PARAMETER;
2229	break;
2230	}
2231	#endif
2232
2233	if (cbBuffer < sizeof (VBVAINFOVIEW))
2234	{
2235	rc = VERR_INVALID_PARAMETER;
2236	break;
2237	}
2238
2239	/* Guest submits an array of VBVAINFOVIEW structures. */
2240	VBVAINFOVIEW pView = (VBVAINFOVIEW )pvBuffer;
2241
2242	for (;
2243	cbBuffer >= sizeof (VBVAINFOVIEW);
2244	pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
2245	{
2246	VBVAINFOVIEW View = *pView;
2247	rc = VBVAInfoView(pVGAState, &View);
2248	if (RT_FAILURE(rc))
2249	break;
2250	}
2251	} break;
2252
2253	case VBVA_INFO_HEAP:
2254	{
2255	if (cbBuffer < sizeof (VBVAINFOHEAP))
2256	{
2257	rc = VERR_INVALID_PARAMETER;
2258	break;
2259	}
2260
2261	VBVAINFOHEAP pHeap = (VBVAINFOHEAP )pvBuffer;
2262	LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
2263	pHeap->u32HeapOffset, pHeap->u32HeapSize));
2264
2265	rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
2266	} break;
2267
2268	case VBVA_FLUSH:
2269	{
2270	if (cbBuffer < sizeof (VBVAFLUSH))
2271	{
2272	rc = VERR_INVALID_PARAMETER;
2273	break;
2274	}
2275
2276	VBVAFLUSH pFlush = (VBVAFLUSH )pvBuffer;
2277	LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
2278	pFlush->u32Reserved));
2279
2280	rc = vbvaFlush (pVGAState, pCtx);
2281	} break;
2282
2283	case VBVA_INFO_SCREEN:
2284	{
2285	if (cbBuffer < sizeof (VBVAINFOSCREEN))
2286	{
2287	rc = VERR_INVALID_PARAMETER;
2288	break;
2289	}
2290
2291	#ifdef VBOX_WITH_CRHGSMI
2292	if (vboxCmdVBVAIsEnabled(pVGAState))
2293	{
2294	AssertMsgFailed(("VBVA_INFO_SCREEN is not acceptible for CmdVbva\n"));
2295	rc = VERR_INVALID_PARAMETER;
2296	break;
2297	}
2298	#endif
2299
2300	VBVAINFOSCREEN pScreen = (VBVAINFOSCREEN )pvBuffer;
2301	VBVAINFOSCREEN Screen = *pScreen;
2302	rc = VBVAInfoScreen(pVGAState, &Screen);
2303	} break;
2304
2305	case VBVA_ENABLE:
2306	{
2307	#ifdef VBOX_WITH_CRHGSMI
2308	if (vboxCmdVBVAIsEnabled(pVGAState))
2309	{
2310	AssertMsgFailed(("VBVA_ENABLE is not acceptible for CmdVbva\n"));
2311	rc = VERR_INVALID_PARAMETER;
2312	break;
2313	}
2314	#endif
2315
2316	if (cbBuffer < sizeof (VBVAENABLE))
2317	{
2318	rc = VERR_INVALID_PARAMETER;
2319	break;
2320	}
2321
2322	VBVAENABLE pEnable = (VBVAENABLE )pvBuffer;
2323	unsigned uScreenId;
2324	if (pEnable->u32Flags & VBVA_F_EXTENDED)
2325	{
2326	if (cbBuffer < sizeof (VBVAENABLE_EX))
2327	{
2328	rc = VERR_INVALID_PARAMETER;
2329	break;
2330	}
2331
2332	VBVAENABLE_EX pEnableEx = (VBVAENABLE_EX )pvBuffer;
2333	uScreenId = pEnableEx->u32ScreenId;
2334	}
2335	else
2336	{
2337	uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
2338	}
2339
2340	if (uScreenId == ~0U)
2341	{
2342	rc = VERR_INVALID_PARAMETER;
2343	break;
2344	}
2345
2346	LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
2347	uScreenId, pEnable->u32Flags, pEnable->u32Offset));
2348
2349	if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_ENABLE)
2350	{
2351	/* Guest reported offset relative to view. */
2352	uint32_t u32Offset = pEnable->u32Offset;
2353	if (!(pEnable->u32Flags & VBVA_F_ABSOFFSET))
2354	{
2355	u32Offset += pCtx->aViews[uScreenId].view.u32ViewOffset;
2356	}
2357
2358	VBVABUFFER pVBVA = (VBVABUFFER )HGSMIOffsetToPointerHost (pIns, u32Offset);
2359
2360	if (pVBVA)
2361	{
2362	/* Process any pending orders and empty the VBVA ring buffer. */
2363	vbvaFlush (pVGAState, pCtx);
2364
2365	rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset, false /* fRestored */);
2366	}
2367	else
2368	{
2369	Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
2370	pEnable->u32Offset));
2371	rc = VERR_INVALID_PARAMETER;
2372	}
2373	}
2374	else if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_DISABLE)
2375	{
2376	rc = vbvaDisable (uScreenId, pVGAState, pCtx);
2377	}
2378	else
2379	{
2380	Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
2381	pEnable->u32Flags));
2382	rc = VERR_INVALID_PARAMETER;
2383	}
2384
2385	pEnable->i32Result = rc;
2386	} break;
2387
2388	case VBVA_MOUSE_POINTER_SHAPE:
2389	{
2390	if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
2391	{
2392	rc = VERR_INVALID_PARAMETER;
2393	break;
2394	}
2395
2396	VBVAMOUSEPOINTERSHAPE pShape = (VBVAMOUSEPOINTERSHAPE )pvBuffer;
2397
2398	LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
2399	pShape->i32Result,
2400	pShape->fu32Flags,
2401	pShape->u32HotX,
2402	pShape->u32HotY,
2403	pShape->u32Width,
2404	pShape->u32Height));
2405
2406	rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
2407
2408	pShape->i32Result = rc;
2409	} break;
2410
2411
2412	#ifdef VBOX_WITH_VIDEOHWACCEL
2413	case VBVA_VHWA_CMD:
2414	{
2415	if (cbBuffer < sizeof (VBOXVHWACMD))
2416	{
2417	rc = VERR_INVALID_PARAMETER;
2418	break;
2419	}
2420	vbvaVHWAHandleCommand(pVGAState, (PVBOXVHWACMD)pvBuffer);
2421	rc = VINF_SUCCESS;
2422	break;
2423	} break;
2424	#endif
2425
2426	#ifdef VBOX_WITH_WDDM
2427	case VBVA_INFO_CAPS:
2428	{
2429	if (cbBuffer < sizeof (VBVACAPS))
2430	{
2431	rc = VERR_INVALID_PARAMETER;
2432	break;
2433	}
2434
2435	VBVACAPS pCaps = (VBVACAPS)pvBuffer;
2436	pVGAState->fGuestCaps = pCaps->fCaps;
2437	pVGAState->pDrv->pfnVBVAGuestCapabilityUpdate(pVGAState->pDrv,
2438	pCaps->fCaps);
2439	pCaps->rc = VINF_SUCCESS;
2440	} break;
2441	#endif
2442	case VBVA_SCANLINE_CFG:
2443	{
2444	if (cbBuffer < sizeof (VBVASCANLINECFG))
2445	{
2446	rc = VERR_INVALID_PARAMETER;
2447	break;
2448	}
2449
2450	VBVASCANLINECFG pCfg = (VBVASCANLINECFG)pvBuffer;
2451	pVGAState->fScanLineCfg = pCfg->fFlags;
2452	pCfg->rc = VINF_SUCCESS;
2453	} break;
2454
2455	case VBVA_QUERY_MODE_HINTS:
2456	{
2457	if (cbBuffer < sizeof(VBVAQUERYMODEHINTS))
2458	{
2459	rc = VERR_INVALID_PARAMETER;
2460	break;
2461	}
2462	VBVAQUERYMODEHINTS pModeHintQuery = (VBVAQUERYMODEHINTS)pvBuffer;
2463	LogRelFlowFunc(("VBVA_QUERY_MODE_HINTS: cHintsQueried=%u, cbHintStructureGuest=%u\n",
2464	(unsigned)pModeHintQuery->cHintsQueried,
2465	(unsigned)pModeHintQuery->cbHintStructureGuest));
2466	if (cbBuffer < sizeof (VBVAQUERYMODEHINTS)
2467	+ (uint64_t)pModeHintQuery->cHintsQueried
2468	* pModeHintQuery->cbHintStructureGuest)
2469	{
2470	pModeHintQuery->rc = VERR_INVALID_PARAMETER;
2471	break;
2472	}
2473	pModeHintQuery->rc = VINF_SUCCESS;
2474	uint8_t pbHint = (uint8_t )pvBuffer + sizeof(VBVAQUERYMODEHINTS);
2475	memset(pbHint, ~0, cbBuffer - sizeof(VBVAQUERYMODEHINTS));
2476	unsigned iHint;
2477	for (iHint = 0; iHint < pModeHintQuery->cHintsQueried
2478	&& iHint < VBOX_VIDEO_MAX_SCREENS; ++iHint)
2479	{
2480	memcpy(pbHint, &pCtx->aModeHints[iHint],
2481	RT_MIN(pModeHintQuery->cbHintStructureGuest,
2482	sizeof(VBVAMODEHINT)));
2483	pbHint += pModeHintQuery->cbHintStructureGuest;
2484	Assert(pbHint - (uint8_t *)pvBuffer <= cbBuffer);
2485	}
2486	} break;
2487
2488	default:
2489	Log(("Unsupported VBVA guest command %d!!!\n",
2490	u16ChannelInfo));
2491	break;
2492	}
2493
2494	return rc;
2495	}
2496
2497	/* When VBVA is paused, then VGA device is allowed to work but
2498	* no HGSMI etc state is changed.
2499	*/
2500	void VBVAPause(PVGASTATE pVGAState, bool fPause)
2501	{
2502	if (!pVGAState \|\| !pVGAState->pHGSMI)
2503	{
2504	return;
2505	}
2506
2507	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pVGAState->pHGSMI);
2508
2509	if (pCtx)
2510	{
2511	pCtx->fPaused = fPause;
2512	}
2513	}
2514
2515	void VBVAReset (PVGASTATE pVGAState)
2516	{
2517	if (!pVGAState \|\| !pVGAState->pHGSMI)
2518	{
2519	return;
2520	}
2521
2522	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2523
2524	#ifdef VBOX_WITH_VIDEOHWACCEL
2525	vbvaVHWAReset (pVGAState);
2526	#endif
2527
2528	uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
2529	if(HgFlags & HGSMIHOSTFLAGS_IRQ)
2530	{
2531	/* this means the IRQ is LEVEL_HIGH, need to reset it */
2532	PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
2533	}
2534
2535	if (pCtx)
2536	{
2537	vbvaFlush (pVGAState, pCtx);
2538
2539	unsigned uScreenId;
2540
2541	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
2542	{
2543	vbvaDisable (uScreenId, pVGAState, pCtx);
2544	}
2545
2546	pCtx->mouseShapeInfo.fSet = false;
2547	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2548	pCtx->mouseShapeInfo.pu8Shape = NULL;
2549	pCtx->mouseShapeInfo.cbAllocated = 0;
2550	pCtx->mouseShapeInfo.cbShape = 0;
2551	}
2552
2553	}
2554
2555	int VBVAUpdateDisplay (PVGASTATE pVGAState)
2556	{
2557	int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
2558
2559	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2560
2561	if (pCtx)
2562	{
2563	if (!pCtx->fPaused)
2564	{
2565	rc = vbvaFlush (pVGAState, pCtx);
2566
2567	if (RT_SUCCESS (rc))
2568	{
2569	if (!pCtx->aViews[0].pVBVA)
2570	{
2571	/* VBVA is not enabled for the first view, so VGA device must do updates. */
2572	rc = VERR_NOT_SUPPORTED;
2573	}
2574	}
2575	}
2576	}
2577
2578	return rc;
2579	}
2580
2581	static int vbvaSendModeHintWorker(PVGASTATE pThis, uint32_t cx, uint32_t cy,
2582	uint32_t cBPP, uint32_t iDisplay, uint32_t dx,
2583	uint32_t dy, uint32_t fEnabled,
2584	uint32_t fNotifyGuest)
2585	{
2586	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pThis->pHGSMI);
2587	/** @note See Display::setVideoModeHint: "It is up to the guest to decide
2588	* whether the hint is valid. Therefore don't do any VRAM sanity checks
2589	* here! */
2590	if (iDisplay > RT_MIN(pThis->cMonitors, RT_ELEMENTS(pCtx->aModeHints)))
2591	return VERR_OUT_OF_RANGE;
2592	pCtx->aModeHints[iDisplay].magic = VBVAMODEHINT_MAGIC;
2593	pCtx->aModeHints[iDisplay].cx = cx;
2594	pCtx->aModeHints[iDisplay].cy = cy;
2595	pCtx->aModeHints[iDisplay].cBPP = cBPP;
2596	pCtx->aModeHints[iDisplay].dx = dx;
2597	pCtx->aModeHints[iDisplay].dy = dy;
2598	pCtx->aModeHints[iDisplay].fEnabled = fEnabled;
2599	if (fNotifyGuest && pThis->fGuestCaps & VBVACAPS_IRQ)
2600	VBVARaiseIrq(pThis, HGSMIHOSTFLAGS_HOTPLUG);
2601	return VINF_SUCCESS;
2602	}
2603
2604	/** Converts a display port interface pointer to a vga state pointer. */
2605	#define IDISPLAYPORT_2_VGASTATE(pInterface) ( (PVGASTATE)((uintptr_t)pInterface - RT_OFFSETOF(VGASTATE, IPort)) )
2606
2607	DECLCALLBACK(int) vbvaPortSendModeHint(PPDMIDISPLAYPORT pInterface, uint32_t cx,
2608	uint32_t cy, uint32_t cBPP,
2609	uint32_t iDisplay, uint32_t dx,
2610	uint32_t dy, uint32_t fEnabled,
2611	uint32_t fNotifyGuest)
2612	{
2613	PVGASTATE pThis;
2614	int rc;
2615
2616	pThis = IDISPLAYPORT_2_VGASTATE(pInterface);
2617	rc = PDMCritSectEnter(&pThis->CritSect, VERR_SEM_BUSY);
2618	AssertRC(rc);
2619	rc = vbvaSendModeHintWorker(pThis, cx, cy, cBPP, iDisplay, dx, dy, fEnabled,
2620	fNotifyGuest);
2621	PDMCritSectLeave(&pThis->CritSect);
2622	return rc;
2623	}
2624
2625	static HGSMICHANNELHANDLER sOldChannelHandler;
2626
2627	int VBVAInit (PVGASTATE pVGAState)
2628	{
2629	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
2630
2631	PVM pVM = PDMDevHlpGetVM(pDevIns);
2632
2633	int rc = HGSMICreate (&pVGAState->pHGSMI,
2634	pVM,
2635	"VBVA",
2636	0,
2637	pVGAState->vram_ptrR3,
2638	pVGAState->vram_size,
2639	vbvaNotifyGuest,
2640	pVGAState,
2641	sizeof (VBVACONTEXT));
2642
2643	if (RT_SUCCESS (rc))
2644	{
2645	rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
2646	HGSMI_CH_VBVA,
2647	vbvaChannelHandler,
2648	pVGAState,
2649	&sOldChannelHandler);
2650	if (RT_SUCCESS (rc))
2651	{
2652	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2653	pCtx->cViews = pVGAState->cMonitors;
2654	pCtx->fPaused = true;
2655	memset(pCtx->aModeHints, ~0, sizeof(*pCtx->aModeHints));
2656	}
2657	}
2658
2659	return rc;
2660
2661	}
2662
2663	void VBVADestroy (PVGASTATE pVGAState)
2664	{
2665	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2666
2667	if (pCtx)
2668	{
2669	pCtx->mouseShapeInfo.fSet = false;
2670	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2671	pCtx->mouseShapeInfo.pu8Shape = NULL;
2672	pCtx->mouseShapeInfo.cbAllocated = 0;
2673	pCtx->mouseShapeInfo.cbShape = 0;
2674	}
2675
2676	HGSMIDestroy (pVGAState->pHGSMI);
2677	pVGAState->pHGSMI = NULL;
2678	}

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 53594

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