DevVGA_VBVA.cpp@ 51324

Last change on this file since 51324 was 51324, checked in by vboxsync, 11 years ago
DevVGA: fix IRQ handling racing
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1	/* $Id: DevVGA_VBVA.cpp 51324 2014-05-21 13:29:34Z 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	} VBVACONTEXT;
86
87
88
89	/** Copies @a cb bytes from the VBVA ring buffer to the @a pu8Dst.
90	* Used for partial records or for records which cross the ring boundary.
91	*/
92	static void vbvaFetchBytes (VBVABUFFER pVBVA, uint8_t pu8Dst, uint32_t cb)
93	{
94	/** @todo replace the 'if' with an assert. The caller must ensure this condition. */
95	if (cb >= pVBVA->cbData)
96	{
97	AssertMsgFailed (("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVA->cbData));
98	return;
99	}
100
101	const uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
102	const uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
103	const int32_t i32Diff = cb - u32BytesTillBoundary;
104
105	if (i32Diff <= 0)
106	{
107	/* Chunk will not cross buffer boundary. */
108	memcpy (pu8Dst, src, cb);
109	}
110	else
111	{
112	/* Chunk crosses buffer boundary. */
113	memcpy (pu8Dst, src, u32BytesTillBoundary);
114	memcpy (pu8Dst + u32BytesTillBoundary, &pVBVA->au8Data[0], i32Diff);
115	}
116
117	/* Advance data offset. */
118	pVBVA->off32Data = (pVBVA->off32Data + cb) % pVBVA->cbData;
119
120	return;
121	}
122
123
124	static bool vbvaPartialRead (VBVAPARTIALRECORD pPartialRecord, uint32_t cbRecord, VBVABUFFER pVBVA)
125	{
126	uint8_t *pu8New;
127
128	LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
129	pPartialRecord->pu8, pPartialRecord->cb, cbRecord));
130
131	if (pPartialRecord->pu8)
132	{
133	Assert (pPartialRecord->cb);
134	pu8New = (uint8_t *)RTMemRealloc (pPartialRecord->pu8, cbRecord);
135	}
136	else
137	{
138	Assert (!pPartialRecord->cb);
139	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
140	}
141
142	if (!pu8New)
143	{
144	/* Memory allocation failed, fail the function. */
145	Log(("vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
146	cbRecord));
147
148	if (pPartialRecord->pu8)
149	{
150	RTMemFree (pPartialRecord->pu8);
151	}
152
153	pPartialRecord->pu8 = NULL;
154	pPartialRecord->cb = 0;
155
156	return false;
157	}
158
159	/* Fetch data from the ring buffer. */
160	vbvaFetchBytes (pVBVA, pu8New + pPartialRecord->cb, cbRecord - pPartialRecord->cb);
161
162	pPartialRecord->pu8 = pu8New;
163	pPartialRecord->cb = cbRecord;
164
165	return true;
166	}
167
168	/* For contiguous chunks just return the address in the buffer.
169	* For crossing boundary - allocate a buffer from heap.
170	*/
171	static bool vbvaFetchCmd (VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA, VBVACMDHDR *ppHdr, uint32_t pcbCmd)
172	{
173	uint32_t indexRecordFirst = pVBVA->indexRecordFirst;
174	uint32_t indexRecordFree = pVBVA->indexRecordFree;
175
176	LOGVBVABUFFER(("first = %d, free = %d\n",
177	indexRecordFirst, indexRecordFree));
178
179	if (indexRecordFirst == indexRecordFree)
180	{
181	/* No records to process. Return without assigning output variables. */
182	return true;
183	}
184
185	uint32_t cbRecordCurrent = ASMAtomicReadU32(&pVBVA->aRecords[indexRecordFirst].cbRecord);
186
187	LOGVBVABUFFER(("cbRecord = 0x%08X, pPartialRecord->cb = 0x%08X\n", cbRecordCurrent, pPartialRecord->cb));
188
189	uint32_t cbRecord = cbRecordCurrent & ~VBVA_F_RECORD_PARTIAL;
190
191	if (pPartialRecord->cb)
192	{
193	/* There is a partial read in process. Continue with it. */
194	Assert (pPartialRecord->pu8);
195
196	LOGVBVABUFFER(("continue partial record cb = %d cbRecord 0x%08X, first = %d, free = %d\n",
197	pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
198
199	if (cbRecord > pPartialRecord->cb)
200	{
201	/* New data has been added to the record. */
202	if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
203	{
204	return false;
205	}
206	}
207
208	if (!(cbRecordCurrent & VBVA_F_RECORD_PARTIAL))
209	{
210	/* The record is completed by guest. Return it to the caller. */
211	ppHdr = (VBVACMDHDR )pPartialRecord->pu8;
212	*pcbCmd = pPartialRecord->cb;
213
214	pPartialRecord->pu8 = NULL;
215	pPartialRecord->cb = 0;
216
217	/* Advance the record index. */
218	pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
219
220	LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n",
221	pVBVA->off32Data, pVBVA->off32Free));
222	}
223
224	return true;
225	}
226
227	/* A new record need to be processed. */
228	if (cbRecordCurrent & VBVA_F_RECORD_PARTIAL)
229	{
230	/* Current record is being written by guest. '=' is important here,
231	* because the guest will do a FLUSH at this condition.
232	* This partial record is too large for the ring buffer and must
233	* be accumulated in an allocated buffer.
234	*/
235	if (cbRecord >= pVBVA->cbData - pVBVA->cbPartialWriteThreshold)
236	{
237	/* Partial read must be started. */
238	if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
239	{
240	return false;
241	}
242
243	LOGVBVABUFFER(("started partial record cb = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
244	pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
245	}
246
247	return true;
248	}
249
250	/* Current record is complete. If it is not empty, process it. */
251	if (cbRecord)
252	{
253	/* The size of largest contiguous chunk in the ring biffer. */
254	uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
255
256	/* The pointer to data in the ring buffer. */
257	uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
258
259	/* Fetch or point the data. */
260	if (u32BytesTillBoundary >= cbRecord)
261	{
262	/* The command does not cross buffer boundary. Return address in the buffer. */
263	ppHdr = (VBVACMDHDR )src;
264
265	/* Advance data offset. */
266	pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
267	}
268	else
269	{
270	/* The command crosses buffer boundary. Rare case, so not optimized. */
271	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
272
273	if (!dst)
274	{
275	LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
276	pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
277	return false;
278	}
279
280	vbvaFetchBytes (pVBVA, dst, cbRecord);
281
282	ppHdr = (VBVACMDHDR )dst;
283
284	LOGVBVABUFFER(("Allocated from heap %p\n", dst));
285	}
286	}
287
288	*pcbCmd = cbRecord;
289
290	/* Advance the record index. */
291	pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
292
293	LOGVBVABUFFER(("done ok, data = %d, free = %d\n",
294	pVBVA->off32Data, pVBVA->off32Free));
295
296	return true;
297	}
298
299	static void vbvaReleaseCmd (VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA, VBVACMDHDR *pHdr, uint32_t cbCmd)
300	{
301	uint8_t *au8RingBuffer = &pVBVA->au8Data[0];
302
303	if ( (uint8_t *)pHdr >= au8RingBuffer
304	&& (uint8_t *)pHdr < &au8RingBuffer[pVBVA->cbData])
305	{
306	/* The pointer is inside ring buffer. Must be continuous chunk. */
307	Assert (pVBVA->cbData - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
308
309	/* Do nothing. */
310
311	Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
312	}
313	else
314	{
315	/* The pointer is outside. It is then an allocated copy. */
316	LOGVBVABUFFER(("Free heap %p\n", pHdr));
317
318	if ((uint8_t *)pHdr == pPartialRecord->pu8)
319	{
320	pPartialRecord->pu8 = NULL;
321	pPartialRecord->cb = 0;
322	}
323	else
324	{
325	Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
326	}
327
328	RTMemFree (pHdr);
329	}
330
331	return;
332	}
333
334	static int vbvaFlushProcess (unsigned uScreenId, PVGASTATE pVGAState, VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA)
335	{
336	LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
337	uScreenId, pVBVA->indexRecordFirst, pVBVA->indexRecordFree, pVBVA->off32Data, pVBVA->off32Free));
338	struct {
339	/* The rectangle that includes all dirty rectangles. */
340	int32_t xLeft;
341	int32_t xRight;
342	int32_t yTop;
343	int32_t yBottom;
344	} dirtyRect;
345	RT_ZERO(dirtyRect);
346
347	bool fUpdate = false; /* Whether there were any updates. */
348	bool fDirtyEmpty = true;
349
350	for (;;)
351	{
352	VBVACMDHDR *phdr = NULL;
353	uint32_t cbCmd = ~0;
354
355	/* Fetch the command data. */
356	if (!vbvaFetchCmd (pPartialRecord, pVBVA, &phdr, &cbCmd))
357	{
358	LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n",
359	pVBVA->off32Data, pVBVA->off32Free));
360
361	/* @todo old code disabled VBVA processing here. */
362	return VERR_NOT_SUPPORTED;
363	}
364
365	if (cbCmd == uint32_t(~0))
366	{
367	/* No more commands yet in the queue. */
368	break;
369	}
370
371	if (cbCmd != 0)
372	{
373	if (!fUpdate)
374	{
375	pVGAState->pDrv->pfnVBVAUpdateBegin (pVGAState->pDrv, uScreenId);
376	fUpdate = true;
377	}
378
379	/* Updates the rectangle and sends the command to the VRDP server. */
380	pVGAState->pDrv->pfnVBVAUpdateProcess (pVGAState->pDrv, uScreenId, phdr, cbCmd);
381
382	int32_t xRight = phdr->x + phdr->w;
383	int32_t yBottom = phdr->y + phdr->h;
384
385	/* These are global coords, relative to the primary screen. */
386
387	LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
388	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
389	LogRel3(("%s: update command cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
390	__PRETTY_FUNCTION__, cbCmd, phdr->x, phdr->y, phdr->w,
391	phdr->h));
392
393	/* Collect all rects into one. */
394	if (fDirtyEmpty)
395	{
396	/* This is the first rectangle to be added. */
397	dirtyRect.xLeft = phdr->x;
398	dirtyRect.yTop = phdr->y;
399	dirtyRect.xRight = xRight;
400	dirtyRect.yBottom = yBottom;
401	fDirtyEmpty = false;
402	}
403	else
404	{
405	/* Adjust region coordinates. */
406	if (dirtyRect.xLeft > phdr->x)
407	{
408	dirtyRect.xLeft = phdr->x;
409	}
410
411	if (dirtyRect.yTop > phdr->y)
412	{
413	dirtyRect.yTop = phdr->y;
414	}
415
416	if (dirtyRect.xRight < xRight)
417	{
418	dirtyRect.xRight = xRight;
419	}
420
421	if (dirtyRect.yBottom < yBottom)
422	{
423	dirtyRect.yBottom = yBottom;
424	}
425	}
426	}
427
428	vbvaReleaseCmd (pPartialRecord, pVBVA, phdr, cbCmd);
429	}
430
431	if (fUpdate)
432	{
433	if (dirtyRect.xRight - dirtyRect.xLeft)
434	{
435	LogRel3(("%s: sending update screen=%d, x=%d, y=%d, w=%d, h=%d\n",
436	__PRETTY_FUNCTION__, uScreenId, dirtyRect.xLeft,
437	dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft,
438	dirtyRect.yBottom - dirtyRect.yTop));
439	pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop,
440	dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop);
441	}
442	else
443	{
444	pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, 0, 0, 0, 0);
445	}
446	}
447
448	return VINF_SUCCESS;
449	}
450
451	static int vbvaFlush (PVGASTATE pVGAState, VBVACONTEXT *pCtx)
452	{
453	unsigned uScreenId;
454
455	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
456	{
457	VBVAPARTIALRECORD *pPartialRecord = &pCtx->aViews[uScreenId].partialRecord;
458	VBVABUFFER *pVBVA = pCtx->aViews[uScreenId].pVBVA;
459
460	if (pVBVA)
461	{
462	vbvaFlushProcess (uScreenId, pVGAState, pPartialRecord, pVBVA);
463	}
464	}
465
466	/* @todo rc */
467	return VINF_SUCCESS;
468	}
469
470	static int vbvaResize (PVGASTATE pVGAState, VBVAVIEW pView, const VBVAINFOSCREEN pNewScreen)
471	{
472	/* Verify pNewScreen. */
473	/* @todo */
474
475	/* Apply these changes. */
476	pView->screen = *pNewScreen;
477
478	uint8_t *pu8VRAM = pVGAState->vram_ptrR3 + pView->view.u32ViewOffset;
479
480	int rc = pVGAState->pDrv->pfnVBVAResize (pVGAState->pDrv, &pView->view, &pView->screen, pu8VRAM);
481
482	/* @todo process VINF_VGA_RESIZE_IN_PROGRESS? */
483
484	return rc;
485	}
486
487	static int vbvaEnable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT pCtx, VBVABUFFER pVBVA, uint32_t u32Offset, bool fRestored)
488	{
489	/* @todo old code did a UpdateDisplayAll at this place. */
490
491	int rc;
492
493	if (pVGAState->pDrv->pfnVBVAEnable)
494	{
495	pVBVA->hostFlags.u32HostEvents = 0;
496	pVBVA->hostFlags.u32SupportedOrders = 0;
497
498	rc = pVGAState->pDrv->pfnVBVAEnable (pVGAState->pDrv, uScreenId, &pVBVA->hostFlags, false);
499	}
500	else
501	{
502	rc = VERR_NOT_SUPPORTED;
503	}
504
505	if (RT_SUCCESS (rc))
506	{
507	/* pVBVA->hostFlags has been set up by pfnVBVAEnable. */
508	LogFlowFunc(("u32HostEvents 0x%08X, u32SupportedOrders 0x%08X\n",
509	pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders));
510
511	if (!fRestored)
512	{
513	/* @todo Actually this function must not touch the partialRecord structure at all,
514	* because initially it is a zero and when VBVA is disabled this should be set to zero.
515	* But I'm not sure that no code depends on zeroing partialRecord here.
516	* So for now (a quick fix for 4.1) just do not do this if the VM was restored,
517	* when partialRecord might be loaded already from the saved state.
518	*/
519	pCtx->aViews[uScreenId].partialRecord.pu8 = NULL;
520	pCtx->aViews[uScreenId].partialRecord.cb = 0;
521	}
522
523	pCtx->aViews[uScreenId].pVBVA = pVBVA;
524	pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset;
525	}
526
527	return rc;
528	}
529
530	static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx)
531	{
532	/* Process any pending orders and empty the VBVA ring buffer. */
533	vbvaFlush (pVGAState, pCtx);
534
535	VBVAVIEW *pView = &pCtx->aViews[uScreenId];
536
537	if (pView->pVBVA)
538	{
539	pView->pVBVA->hostFlags.u32HostEvents = 0;
540	pView->pVBVA->hostFlags.u32SupportedOrders = 0;
541
542	pView->partialRecord.pu8 = NULL;
543	pView->partialRecord.cb = 0;
544
545	pView->pVBVA = NULL;
546	pView->u32VBVAOffset = HGSMIOFFSET_VOID;
547	}
548
549	pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
550	return VINF_SUCCESS;
551	}
552
553	bool VBVAIsEnabled(PVGASTATE pVGAState)
554	{
555	PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI;
556	if (pHGSMI)
557	{
558	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pHGSMI);
559	if (pCtx)
560	{
561	if (pCtx->cViews)
562	{
563	VBVAVIEW * pView = &pCtx->aViews[0];
564	if (pView->pVBVA)
565	return true;
566	}
567	}
568	}
569	return false;
570	}
571
572	#ifdef DEBUG_sunlover
573	void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
574	{
575	LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
576	pMouseShapeInfo->fSet,
577	pMouseShapeInfo->fVisible,
578	pMouseShapeInfo->fAlpha,
579	pMouseShapeInfo->u32HotX,
580	pMouseShapeInfo->u32HotY,
581	pMouseShapeInfo->u32Width,
582	pMouseShapeInfo->u32Height,
583	pMouseShapeInfo->pu8Shape,
584	pMouseShapeInfo->cbShape,
585	pMouseShapeInfo->cbAllocated
586	));
587	}
588	#endif
589
590	static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO pMouseShapeInfo, bool fShape, const uint8_t pu8Shape)
591	{
592	int rc;
593	LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
594	pVGAState, pMouseShapeInfo, fShape, pu8Shape));
595	#ifdef DEBUG_sunlover
596	dumpMouseShapeInfo(pMouseShapeInfo);
597	#endif
598
599	if (fShape && pu8Shape != NULL)
600	{
601	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
602	pMouseShapeInfo->fVisible,
603	pMouseShapeInfo->fAlpha,
604	pMouseShapeInfo->u32HotX,
605	pMouseShapeInfo->u32HotY,
606	pMouseShapeInfo->u32Width,
607	pMouseShapeInfo->u32Height,
608	pu8Shape);
609	}
610	else
611	{
612	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
613	pMouseShapeInfo->fVisible,
614	false,
615	0, 0,
616	0, 0,
617	NULL);
618	}
619
620	return rc;
621	}
622
623	static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT pCtx, const VBVAMOUSEPOINTERSHAPE pShape, HGSMISIZE cbShape)
624	{
625	bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
626	bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
627	bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
628
629	HGSMISIZE cbPointerData = 0;
630
631	if (fShape)
632	{
633	if (pShape->u32Width > 8192 \|\| pShape->u32Height > 8192)
634	{
635	Log(("vbvaMousePointerShape: unsupported size %ux%u\n",
636	pShape->u32Width, pShape->u32Height));
637	return VERR_INVALID_PARAMETER;
638	}
639
640	cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
641	+ pShape->u32Width * 4 * pShape->u32Height;
642	}
643
644	if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
645	{
646	Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
647	cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
648	return VERR_INVALID_PARAMETER;
649	}
650
651	/* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
652	pCtx->mouseShapeInfo.fSet = true;
653	pCtx->mouseShapeInfo.fVisible = fVisible;
654	pCtx->mouseShapeInfo.fAlpha = fAlpha;
655	if (fShape)
656	{
657	/* Data related to shape. */
658	pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
659	pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
660	pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
661	pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
662
663	/* Reallocate memory buffer if necessary. */
664	if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
665	{
666	RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
667	pCtx->mouseShapeInfo.pu8Shape = NULL;
668	pCtx->mouseShapeInfo.cbShape = 0;
669
670	uint8_t pu8Shape = (uint8_t )RTMemAlloc (cbPointerData);
671	if (pu8Shape)
672	{
673	pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
674	pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
675	}
676	}
677
678	/* Copy shape bitmaps. */
679	if (pCtx->mouseShapeInfo.pu8Shape)
680	{
681	memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
682	pCtx->mouseShapeInfo.cbShape = cbPointerData;
683	}
684	}
685
686	if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
687	{
688	return VERR_NOT_SUPPORTED;
689	}
690
691	int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
692
693	return rc;
694	}
695
696	static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT pCtx, const void pvBuffer)
697	{
698	/* Check which view contains the buffer. */
699	HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
700
701	if (offBuffer != HGSMIOFFSET_VOID)
702	{
703	unsigned uScreenId;
704
705	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
706	{
707	VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
708
709	if ( pView->u32ViewSize > 0
710	&& pView->u32ViewOffset <= offBuffer
711	&& offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
712	{
713	return pView->u32ViewIndex;
714	}
715	}
716	}
717
718	return ~0U;
719	}
720
721	#ifdef DEBUG_sunlover
722	static void dumpctx(const VBVACONTEXT *pCtx)
723	{
724	Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
725
726	uint32_t iView;
727	for (iView = 0; iView < pCtx->cViews; iView++)
728	{
729	const VBVAVIEW *pView = &pCtx->aViews[iView];
730
731	Log((" view %d o 0x%x s 0x%x m 0x%x\n",
732	pView->view.u32ViewIndex,
733	pView->view.u32ViewOffset,
734	pView->view.u32ViewSize,
735	pView->view.u32MaxScreenSize));
736
737	Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
738	pView->screen.u32ViewIndex,
739	pView->screen.i32OriginX,
740	pView->screen.i32OriginY,
741	pView->screen.u32StartOffset,
742	pView->screen.u32LineSize,
743	pView->screen.u32Width,
744	pView->screen.u32Height,
745	pView->screen.u16BitsPerPixel,
746	pView->screen.u16Flags));
747
748	Log((" VBVA o 0x%x p %p\n",
749	pView->u32VBVAOffset,
750	pView->pVBVA));
751
752	Log((" PR cb 0x%x p %p\n",
753	pView->partialRecord.cb,
754	pView->partialRecord.pu8));
755	}
756
757	dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
758	}
759	#endif /* DEBUG_sunlover */
760
761	#define VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC 0x12345678
762	#define VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC 0x9abcdef0
763
764	#ifdef VBOX_WITH_VIDEOHWACCEL
765	static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay)
766	{
767	memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
768	pHdr->cRefs = 1;
769	pHdr->iDisplay = iDisplay;
770	pHdr->rc = VERR_NOT_IMPLEMENTED;
771	pHdr->enmCmd = enmCmd;
772	pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
773	}
774
775	static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd)
776	{
777	VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAllocZ(cbCmd + VBOXVHWACMD_HEADSIZE());
778	Assert(pHdr);
779	if (pHdr)
780	vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay);
781
782	return pHdr;
783	}
784
785	DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
786	{
787	uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
788	if(!cRefs)
789	{
790	RTMemFree(pCmd);
791	}
792	}
793
794	DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
795	{
796	ASMAtomicIncU32(&pCmd->cRefs);
797	}
798
799	static void vbvaVHWACommandComplete(PVGASTATE pVGAState, PVBOXVHWACMD pCommand, bool fAsyncCommand)
800	{
801	if (fAsyncCommand)
802	{
803	Assert(pCommand->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
804	vbvaVHWACommandCompleteAsync(&pVGAState->IVBVACallbacks, pCommand);
805	}
806	else
807	{
808	Log(("VGA Command <<< Sync rc %d %#p, %d\n", pCommand->rc, pCommand, pCommand->enmCmd));
809	pCommand->Flags &= (~VBOXVHWACMD_FLAG_HG_ASYNCH);
810	}
811
812	}
813
814	static void vbvaVHWACommandCompleteAllPending(PVGASTATE pVGAState, int rc)
815	{
816	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
817	return;
818
819	VBOX_VHWA_PENDINGCMD pIter, pNext;
820
821	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
822
823	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
824	{
825	pIter->pCommand->rc = rc;
826	vbvaVHWACommandComplete(pVGAState, pIter->pCommand, true);
827
828	/* the command is submitted/processed, remove from the pend list */
829	RTListNodeRemove(&pIter->Node);
830	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
831	RTMemFree(pIter);
832	}
833
834	PDMCritSectLeave(&pVGAState->CritSect);
835	}
836
837	static void vbvaVHWACommandClearAllPending(PVGASTATE pVGAState)
838	{
839	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
840	return;
841
842	VBOX_VHWA_PENDINGCMD pIter, pNext;
843
844	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
845
846	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
847	{
848	RTListNodeRemove(&pIter->Node);
849	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
850	RTMemFree(pIter);
851	}
852
853	PDMCritSectLeave(&pVGAState->CritSect);
854	}
855
856	static void vbvaVHWACommandPend(PVGASTATE pVGAState, PVBOXVHWACMD pCommand)
857	{
858	int rc = VERR_BUFFER_OVERFLOW;
859
860	if (ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS)
861	{
862	VBOX_VHWA_PENDINGCMD pPend = (VBOX_VHWA_PENDINGCMD)RTMemAlloc(sizeof (*pPend));
863	if (pPend)
864	{
865	pCommand->Flags \|= VBOXVHWACMD_FLAG_HG_ASYNCH;
866	pPend->pCommand = pCommand;
867	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
868	if (ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS)
869	{
870	RTListAppend(&pVGAState->pendingVhwaCommands.PendingList, &pPend->Node);
871	ASMAtomicIncU32(&pVGAState->pendingVhwaCommands.cPending);
872	PDMCritSectLeave(&pVGAState->CritSect);
873	return;
874	}
875	PDMCritSectLeave(&pVGAState->CritSect);
876	LogRel(("Pending command count has reached its threshold.. completing them all.."));
877	RTMemFree(pPend);
878	}
879	else
880	rc = VERR_NO_MEMORY;
881	}
882	else
883	LogRel(("Pending command count has reached its threshold, completing them all.."));
884
885	vbvaVHWACommandCompleteAllPending(pVGAState, rc);
886
887	pCommand->rc = rc;
888
889	vbvaVHWACommandComplete(pVGAState, pCommand, false);
890	}
891
892	static bool vbvaVHWACommandCanPend(PVBOXVHWACMD pCommand)
893	{
894	switch (pCommand->enmCmd)
895	{
896	case VBOXVHWACMD_TYPE_HH_CONSTRUCT:
897	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN:
898	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND:
899	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM:
900	case VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM:
901	return false;
902	default:
903	return true;
904	}
905	}
906
907	static int vbvaVHWACommandSavePending(PVGASTATE pVGAState, PSSMHANDLE pSSM)
908	{
909	int rc = SSMR3PutU32(pSSM, pVGAState->pendingVhwaCommands.cPending);
910	AssertRCReturn(rc, rc);
911	VBOX_VHWA_PENDINGCMD *pIter;
912	RTListForEach(&pVGAState->pendingVhwaCommands.PendingList, pIter, VBOX_VHWA_PENDINGCMD, Node)
913	{
914	rc = SSMR3PutU32(pSSM, (uint32_t)(((uint8_t)pIter->pCommand) - ((uint8_t)pVGAState->vram_ptrR3)));
915	AssertRCReturn(rc, rc);
916	}
917	return rc;
918	}
919
920	static int vbvaVHWACommandLoadPending(PVGASTATE pVGAState, PSSMHANDLE pSSM, uint32_t u32Version)
921	{
922	if (u32Version < VGA_SAVEDSTATE_VERSION_WITH_PENDVHWA)
923	return VINF_SUCCESS;
924
925	int rc;
926	uint32_t u32;
927	rc = SSMR3GetU32(pSSM, &u32);
928	AssertRCReturn(rc, rc);
929	for (uint32_t i = 0; i < u32; ++i)
930	{
931	uint32_t off32;
932	rc = SSMR3GetU32(pSSM, &off32);
933	AssertRCReturn(rc, rc);
934	PVBOXVHWACMD pCommand = (PVBOXVHWACMD)(((uint8_t*)pVGAState->vram_ptrR3) + off32);
935	vbvaVHWACommandPend(pVGAState, pCommand);
936	}
937	return rc;
938	}
939
940
941	static bool vbvaVHWACommandSubmit(PVGASTATE pVGAState, PVBOXVHWACMD pCommand, bool fAsyncCommand)
942	{
943	unsigned id = (unsigned)pCommand->iDisplay;
944	bool fPend = false;
945
946	if (pVGAState->pDrv->pfnVHWACommandProcess)
947	{
948	Log(("VGA Command >>> %#p, %d\n", pCommand, pCommand->enmCmd));
949	int rc = pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCommand);
950	if (rc == VINF_CALLBACK_RETURN)
951	{
952	Log(("VGA Command --- Going Async %#p, %d\n", pCommand, pCommand->enmCmd));
953	return true; /* command will be completed asynchronously, return right away */
954	}
955	else if (rc == VERR_INVALID_STATE)
956	{
957	Log(("VGA Command --- Trying Pend %#p, %d\n", pCommand, pCommand->enmCmd));
958	fPend = vbvaVHWACommandCanPend(pCommand);
959	if (!fPend)
960	{
961	Log(("VGA Command --- Can NOT Pend %#p, %d\n", pCommand, pCommand->enmCmd));
962	pCommand->rc = rc;
963	}
964	else
965	Log(("VGA Command --- Can Pend %#p, %d\n", pCommand, pCommand->enmCmd));
966	}
967	else
968	{
969	Log(("VGA Command --- Going Complete Sync rc %d %#p, %d\n", rc, pCommand, pCommand->enmCmd));
970	pCommand->rc = rc;
971	}
972
973	/* the command was completed, take a special care about it (seee below) */
974	}
975	else
976	{
977	AssertFailed();
978	pCommand->rc = VERR_INVALID_STATE;
979	}
980
981	if (fPend)
982	return false;
983
984	vbvaVHWACommandComplete(pVGAState, pCommand, fAsyncCommand);
985
986	return true;
987	}
988
989	static bool vbvaVHWACheckPendingCommands(PVGASTATE pVGAState)
990	{
991	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
992	return true;
993
994	VBOX_VHWA_PENDINGCMD pIter, pNext;
995
996	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
997
998	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
999	{
1000	if (!vbvaVHWACommandSubmit(pVGAState, pIter->pCommand, true))
1001	{
1002	PDMCritSectLeave(&pVGAState->CritSect);
1003	return false; /* the command should be pended still */
1004	}
1005
1006	/* the command is submitted/processed, remove from the pend list */
1007	RTListNodeRemove(&pIter->Node);
1008	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
1009	RTMemFree(pIter);
1010	}
1011
1012	PDMCritSectLeave(&pVGAState->CritSect);
1013
1014	return true;
1015	}
1016
1017	void vbvaTimerCb(PVGASTATE pVGAState)
1018	{
1019	vbvaVHWACheckPendingCommands(pVGAState);
1020	}
1021	static void vbvaVHWAHandleCommand(PVGASTATE pVGAState, PVBOXVHWACMD pCmd)
1022	{
1023	if (vbvaVHWACheckPendingCommands(pVGAState))
1024	{
1025	if (vbvaVHWACommandSubmit(pVGAState, pCmd, false))
1026	return;
1027	}
1028
1029	vbvaVHWACommandPend(pVGAState, pCmd);
1030	}
1031
1032	static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
1033	{
1034	RTSemEventSignal((RTSEMEVENT)pContext);
1035	}
1036
1037	static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
1038	{
1039	RTSEMEVENT hComplEvent;
1040	int rc = RTSemEventCreate(&hComplEvent);
1041	AssertRC(rc);
1042	if(RT_SUCCESS(rc))
1043	{
1044	/* ensure the cmd is not deleted until we process it */
1045	vbvaVHWAHHCommandRetain (pCmd);
1046	VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
1047	vbvaVHWAHandleCommand(pVGAState, pCmd);
1048	if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
1049	{
1050	rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
1051	}
1052	else
1053	{
1054	/* the command is completed */
1055	}
1056
1057	AssertRC(rc);
1058	if(RT_SUCCESS(rc))
1059	{
1060	RTSemEventDestroy(hComplEvent);
1061	}
1062	vbvaVHWAHHCommandRelease(pCmd);
1063	}
1064	return rc;
1065	}
1066
1067	int vbvaVHWAConstruct (PVGASTATE pVGAState)
1068	{
1069	pVGAState->pendingVhwaCommands.cPending = 0;
1070	RTListInit(&pVGAState->pendingVhwaCommands.PendingList);
1071
1072	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1073	Assert(pCmd);
1074	if(pCmd)
1075	{
1076	uint32_t iDisplay = 0;
1077	int rc = VINF_SUCCESS;
1078	VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
1079
1080	do
1081	{
1082	memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1083
1084	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1085	PVM pVM = PDMDevHlpGetVM(pDevIns);
1086
1087	pBody->pVM = pVM;
1088	pBody->pvVRAM = pVGAState->vram_ptrR3;
1089	pBody->cbVRAM = pVGAState->vram_size;
1090
1091	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1092	AssertRC(rc);
1093	if(RT_SUCCESS(rc))
1094	{
1095	rc = pCmd->rc;
1096	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1097	if(rc == VERR_NOT_IMPLEMENTED)
1098	{
1099	/* @todo: set some flag in pVGAState indicating VHWA is not supported */
1100	/* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
1101	rc = VINF_SUCCESS;
1102	}
1103
1104	if (!RT_SUCCESS(rc))
1105	break;
1106	}
1107	else
1108	break;
1109
1110	++iDisplay;
1111	if (iDisplay >= pVGAState->cMonitors)
1112	break;
1113	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay);
1114	} while (true);
1115
1116	vbvaVHWAHHCommandRelease(pCmd);
1117
1118	return rc;
1119	}
1120	return VERR_OUT_OF_RESOURCES;
1121	}
1122
1123	int vbvaVHWAReset (PVGASTATE pVGAState)
1124	{
1125	vbvaVHWACommandClearAllPending(pVGAState);
1126
1127	/* ensure we have all pending cmds processed and h->g cmds disabled */
1128	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0);
1129	Assert(pCmd);
1130	if(pCmd)
1131	{
1132	int rc = VINF_SUCCESS;
1133	uint32_t iDisplay = 0;
1134
1135	do
1136	{
1137	rc =vbvaVHWAHHCommandPost(pVGAState, pCmd);
1138	AssertRC(rc);
1139	if(RT_SUCCESS(rc))
1140	{
1141	rc = pCmd->rc;
1142	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1143	if (rc == VERR_NOT_IMPLEMENTED)
1144	rc = VINF_SUCCESS;
1145	}
1146
1147	if (!RT_SUCCESS(rc))
1148	break;
1149
1150	++iDisplay;
1151	if (iDisplay >= pVGAState->cMonitors)
1152	break;
1153	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay);
1154
1155	} while (true);
1156
1157	vbvaVHWAHHCommandRelease(pCmd);
1158
1159	return rc;
1160	}
1161	return VERR_OUT_OF_RESOURCES;
1162	}
1163
1164	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPRECB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext);
1165	typedef FNVBOXVHWAHHCMDPRECB *PFNVBOXVHWAHHCMDPRECB;
1166
1167	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPOSTCB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext);
1168	typedef FNVBOXVHWAHHCMDPOSTCB *PFNVBOXVHWAHHCMDPOSTCB;
1169
1170	int vbvaVHWAHHPost(PVGASTATE pVGAState, VBOXVHWACMD pCmd, PFNVBOXVHWAHHCMDPRECB pfnPre, PFNVBOXVHWAHHCMDPOSTCB pfnPost, void pvContext)
1171	{
1172	const VBOXVHWACMD_TYPE enmType = pCmd->enmCmd;
1173	int rc = VINF_SUCCESS;
1174	uint32_t iDisplay = 0;
1175
1176	do
1177	{
1178	if (!pfnPre \|\| pfnPre(pVGAState, pCmd, iDisplay, pvContext))
1179	{
1180	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1181	AssertRC(rc);
1182	if (pfnPost)
1183	{
1184	if (!pfnPost(pVGAState, pCmd, iDisplay, rc, pvContext))
1185	{
1186	rc = VINF_SUCCESS;
1187	break;
1188	}
1189	rc = VINF_SUCCESS;
1190	}
1191	else if(RT_SUCCESS(rc))
1192	{
1193	rc = pCmd->rc;
1194	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1195	if(rc == VERR_NOT_IMPLEMENTED)
1196	{
1197	rc = VINF_SUCCESS;
1198	}
1199	}
1200
1201	if (!RT_SUCCESS(rc))
1202	break;
1203	}
1204
1205	++iDisplay;
1206	if (iDisplay >= pVGAState->cMonitors)
1207	break;
1208	vbvaVHWAHHCommandReinit(pCmd, enmType, (int32_t)iDisplay);
1209	} while (true);
1210
1211	return rc;
1212	}
1213
1214	/* @todo call this also on reset? */
1215	int vbvaVHWAEnable (PVGASTATE pVGAState, bool bEnable)
1216	{
1217	const VBOXVHWACMD_TYPE enmType = bEnable ? VBOXVHWACMD_TYPE_HH_ENABLE : VBOXVHWACMD_TYPE_HH_DISABLE;
1218	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState,
1219	enmType,
1220	0, 0);
1221	Assert(pCmd);
1222	if(pCmd)
1223	{
1224	int rc = vbvaVHWAHHPost (pVGAState, pCmd, NULL, NULL, NULL);
1225	vbvaVHWAHHCommandRelease(pCmd);
1226	return rc;
1227	}
1228	return VERR_OUT_OF_RESOURCES;
1229	}
1230
1231	int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1232	{
1233	/* ensure we have no pending commands */
1234	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), false);
1235	}
1236
1237	int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1238	{
1239	/* ensure we have no pending commands */
1240	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), true);
1241	}
1242
1243	int vbvaVHWACommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1244	{
1245	int rc;
1246	Log(("VGA Command <<< Async rc %d %#p, %d\n", pCmd->rc, pCmd, pCmd->enmCmd));
1247
1248	if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1249	{
1250	PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1251	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1252
1253	Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1254	#ifdef VBOX_WITH_WDDM
1255	if (pVGAState->fGuestCaps & VBVACAPS_COMPLETEGCMD_BY_IOREAD)
1256	{
1257	rc = HGSMICompleteGuestCommand(pIns, pCmd, !!(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ));
1258	AssertRC(rc);
1259	}
1260	else
1261	#endif
1262	{
1263	VBVAHOSTCMD *pHostCmd;
1264	int32_t iDisplay = pCmd->iDisplay;
1265
1266	if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1267	{
1268	rc = HGSMIHostCommandAlloc (pIns,
1269	(void**)&pHostCmd,
1270	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1271	HGSMI_CH_VBVA,
1272	VBVAHG_EVENT);
1273	AssertRC(rc);
1274	if(RT_SUCCESS(rc))
1275	{
1276	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1277	pHostCmd->iDstID = pCmd->iDisplay;
1278	pHostCmd->customOpCode = 0;
1279	VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1280	pBody->pEvent = pCmd->GuestVBVAReserved1;
1281	}
1282	}
1283	else
1284	{
1285	HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1286	Assert(offCmd != HGSMIOFFSET_VOID);
1287	if(offCmd != HGSMIOFFSET_VOID)
1288	{
1289	rc = HGSMIHostCommandAlloc (pIns,
1290	(void**)&pHostCmd,
1291	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1292	HGSMI_CH_VBVA,
1293	VBVAHG_DISPLAY_CUSTOM);
1294	AssertRC(rc);
1295	if(RT_SUCCESS(rc))
1296	{
1297	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1298	pHostCmd->iDstID = pCmd->iDisplay;
1299	pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1300	VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1301	pBody->offCmd = offCmd;
1302	}
1303	}
1304	else
1305	{
1306	rc = VERR_INVALID_PARAMETER;
1307	}
1308	}
1309
1310	if(RT_SUCCESS(rc))
1311	{
1312	rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1313	AssertRC(rc);
1314	if(RT_SUCCESS(rc))
1315	{
1316	return rc;
1317	}
1318	HGSMIHostCommandFree (pIns, pHostCmd);
1319	}
1320	}
1321	}
1322	else
1323	{
1324	PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1325	if(pfn)
1326	{
1327	pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1328	}
1329	rc = VINF_SUCCESS;
1330	}
1331	return rc;
1332	}
1333
1334	typedef struct VBOXVBVASAVEDSTATECBDATA
1335	{
1336	PSSMHANDLE pSSM;
1337	int rc;
1338	bool ab2DOn[VBOX_VIDEO_MAX_SCREENS];
1339	} VBOXVBVASAVEDSTATECBDATA, *PVBOXVBVASAVEDSTATECBDATA;
1340
1341	static DECLCALLBACK(bool) vboxVBVASaveStateBeginPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1342	{
1343	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1344	if (RT_FAILURE(pData->rc))
1345	return false;
1346	if (RT_FAILURE(rc))
1347	{
1348	pData->rc = rc;
1349	return false;
1350	}
1351
1352	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1353	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1354	{
1355	pData->rc = VERR_INVALID_PARAMETER;
1356	return false;
1357	}
1358
1359	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1360	if (RT_SUCCESS(pCmd->rc))
1361	{
1362	pData->ab2DOn[iDisplay] = true;
1363	}
1364	else if (pCmd->rc != VERR_NOT_IMPLEMENTED)
1365	{
1366	pData->rc = pCmd->rc;
1367	return false;
1368	}
1369
1370	return true;
1371	}
1372
1373	static DECLCALLBACK(bool) vboxVBVASaveStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1374	{
1375	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1376	if (RT_FAILURE(pData->rc))
1377	return false;
1378
1379	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1380	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1381	{
1382	pData->rc = VERR_INVALID_PARAMETER;
1383	return false;
1384	}
1385
1386	int rc;
1387
1388	if (pData->ab2DOn[iDisplay])
1389	{
1390	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC); AssertRC(rc);
1391	if (RT_FAILURE(rc))
1392	{
1393	pData->rc = rc;
1394	return false;
1395	}
1396	return true;
1397	}
1398
1399	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRC(rc);
1400	if (RT_FAILURE(rc))
1401	{
1402	pData->rc = rc;
1403	return false;
1404	}
1405
1406	return false;
1407	}
1408
1409	static DECLCALLBACK(bool) vboxVBVASaveStateEndPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1410	{
1411	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1412	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1413	if (pData->ab2DOn[iDisplay])
1414	{
1415	return true;
1416	}
1417
1418	return false;
1419	}
1420
1421	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1422	{
1423	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1424	if (RT_FAILURE(pData->rc))
1425	return false;
1426	if (RT_FAILURE(rc))
1427	{
1428	pData->rc = rc;
1429	return false;
1430	}
1431
1432	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1433	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1434	{
1435	pData->rc = VERR_INVALID_PARAMETER;
1436	return false;
1437	}
1438
1439	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1440	if (pCmd->rc == VERR_NOT_IMPLEMENTED)
1441	{
1442	pData->rc = SSMR3SkipToEndOfUnit(pData->pSSM);
1443	AssertRC(pData->rc);
1444	return false;
1445	}
1446	if (RT_FAILURE(pCmd->rc))
1447	{
1448	pData->rc = pCmd->rc;
1449	return false;
1450	}
1451
1452	return true;
1453	}
1454
1455	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1456	{
1457	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1458	if (RT_FAILURE(pData->rc))
1459	return false;
1460
1461	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1462	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1463	{
1464	pData->rc = VERR_INVALID_PARAMETER;
1465	return false;
1466	}
1467
1468	int rc;
1469	uint32_t u32;
1470	rc = SSMR3GetU32(pData->pSSM, &u32); AssertRC(rc);
1471	if (RT_FAILURE(rc))
1472	{
1473	pData->rc = rc;
1474	return false;
1475	}
1476
1477	switch (u32)
1478	{
1479	case VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC:
1480	return true;
1481	case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC:
1482	return false;
1483	default:
1484	pData->rc = VERR_INVALID_STATE;
1485	return false;
1486	}
1487	}
1488	#endif /* #ifdef VBOX_WITH_VIDEOHWACCEL */
1489
1490	int vboxVBVASaveDevStateExec (PVGASTATE pVGAState, PSSMHANDLE pSSM)
1491	{
1492	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1493	int rc = HGSMIHostSaveStateExec (pIns, pSSM);
1494	if (RT_SUCCESS(rc))
1495	{
1496	/* Save VBVACONTEXT. */
1497	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1498
1499	if (!pCtx)
1500	{
1501	AssertFailed();
1502
1503	/* Still write a valid value to the SSM. */
1504	rc = SSMR3PutU32 (pSSM, 0);
1505	AssertRCReturn(rc, rc);
1506	}
1507	else
1508	{
1509	#ifdef DEBUG_sunlover
1510	dumpctx(pCtx);
1511	#endif
1512
1513	rc = SSMR3PutU32 (pSSM, pCtx->cViews);
1514	AssertRCReturn(rc, rc);
1515
1516	uint32_t iView;
1517	for (iView = 0; iView < pCtx->cViews; iView++)
1518	{
1519	VBVAVIEW *pView = &pCtx->aViews[iView];
1520
1521	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
1522	AssertRCReturn(rc, rc);
1523	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
1524	AssertRCReturn(rc, rc);
1525	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
1526	AssertRCReturn(rc, rc);
1527	rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
1528	AssertRCReturn(rc, rc);
1529
1530	rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
1531	AssertRCReturn(rc, rc);
1532	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
1533	AssertRCReturn(rc, rc);
1534	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
1535	AssertRCReturn(rc, rc);
1536	rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
1537	AssertRCReturn(rc, rc);
1538	rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
1539	AssertRCReturn(rc, rc);
1540	rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
1541	AssertRCReturn(rc, rc);
1542	rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
1543	AssertRCReturn(rc, rc);
1544	rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
1545	AssertRCReturn(rc, rc);
1546	rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
1547	AssertRCReturn(rc, rc);
1548
1549	rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
1550	AssertRCReturn(rc, rc);
1551
1552	rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
1553	AssertRCReturn(rc, rc);
1554
1555	if (pView->partialRecord.cb > 0)
1556	{
1557	rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1558	AssertRCReturn(rc, rc);
1559	}
1560	}
1561
1562	/* Save mouse pointer shape information. */
1563	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
1564	AssertRCReturn(rc, rc);
1565	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
1566	AssertRCReturn(rc, rc);
1567	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
1568	AssertRCReturn(rc, rc);
1569	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
1570	AssertRCReturn(rc, rc);
1571	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
1572	AssertRCReturn(rc, rc);
1573	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
1574	AssertRCReturn(rc, rc);
1575	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
1576	AssertRCReturn(rc, rc);
1577	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
1578	AssertRCReturn(rc, rc);
1579	if (pCtx->mouseShapeInfo.cbShape)
1580	{
1581	rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1582	AssertRCReturn(rc, rc);
1583	}
1584
1585	#ifdef VBOX_WITH_WDDM
1586	/* Size of some additional data. For future extensions. */
1587	rc = SSMR3PutU32 (pSSM, 4);
1588	AssertRCReturn(rc, rc);
1589	rc = SSMR3PutU32 (pSSM, pVGAState->fGuestCaps);
1590	AssertRCReturn(rc, rc);
1591	#else
1592	/* Size of some additional data. For future extensions. */
1593	rc = SSMR3PutU32 (pSSM, 0);
1594	AssertRCReturn(rc, rc);
1595	#endif
1596	}
1597	}
1598
1599	return rc;
1600	}
1601
1602	int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1603	{
1604	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1605	int rc;
1606	#ifdef VBOX_WITH_VIDEOHWACCEL
1607	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1608	VhwaData.pSSM = pSSM;
1609	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); /* maximum cmd size */
1610	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd);
1611	Assert(pCmd);
1612	if(pCmd)
1613	{
1614	vbvaVHWAHHPost (pVGAState, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData);
1615	rc = VhwaData.rc;
1616	AssertRC(rc);
1617	if (RT_SUCCESS(rc))
1618	{
1619	#endif
1620	rc = vboxVBVASaveDevStateExec (pVGAState, pSSM);
1621	AssertRC(rc);
1622	#ifdef VBOX_WITH_VIDEOHWACCEL
1623	if (RT_SUCCESS(rc))
1624	{
1625	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM, 0);
1626	VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM *pSave = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM);
1627	pSave->pSSM = pSSM;
1628	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData);
1629	rc = VhwaData.rc;
1630	AssertRC(rc);
1631	if (RT_SUCCESS(rc))
1632	{
1633	rc = vbvaVHWACommandSavePending(pVGAState, pSSM);
1634	AssertRCReturn(rc, rc);
1635
1636	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0);
1637	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStateEndPreCb, NULL, &VhwaData);
1638	rc = VhwaData.rc;
1639	AssertRC(rc);
1640	}
1641	}
1642	}
1643
1644	vbvaVHWAHHCommandRelease(pCmd);
1645	}
1646	else
1647	rc = VERR_OUT_OF_RESOURCES;
1648	#else
1649	if (RT_SUCCESS(rc))
1650	{
1651	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1652	{
1653	rc = SSMR3PutU32 (pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC);
1654	AssertRCReturn(rc, rc);
1655	}
1656	}
1657	#endif
1658	return rc;
1659	}
1660
1661	int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
1662	{
1663	if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
1664	{
1665	/* Nothing was saved. */
1666	return VINF_SUCCESS;
1667	}
1668
1669	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1670	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1671	int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
1672	if (RT_SUCCESS(rc))
1673	{
1674	/* Load VBVACONTEXT. */
1675	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1676
1677	if (!pCtx)
1678	{
1679	/* This should not happen. */
1680	AssertFailed();
1681	rc = VERR_INVALID_PARAMETER;
1682	}
1683	else
1684	{
1685	uint32_t cViews = 0;
1686	rc = SSMR3GetU32 (pSSM, &cViews);
1687	AssertRCReturn(rc, rc);
1688
1689	uint32_t iView;
1690	for (iView = 0; iView < cViews; iView++)
1691	{
1692	VBVAVIEW *pView = &pCtx->aViews[iView];
1693
1694	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
1695	AssertRCReturn(rc, rc);
1696	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
1697	AssertRCReturn(rc, rc);
1698	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
1699	AssertRCReturn(rc, rc);
1700	rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
1701	AssertRCReturn(rc, rc);
1702
1703	rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
1704	AssertRCReturn(rc, rc);
1705	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
1706	AssertRCReturn(rc, rc);
1707	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
1708	AssertRCReturn(rc, rc);
1709	rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
1710	AssertRCReturn(rc, rc);
1711	rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
1712	AssertRCReturn(rc, rc);
1713	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
1714	AssertRCReturn(rc, rc);
1715	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
1716	AssertRCReturn(rc, rc);
1717	rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
1718	AssertRCReturn(rc, rc);
1719	rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
1720	AssertRCReturn(rc, rc);
1721
1722	rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
1723	AssertRCReturn(rc, rc);
1724
1725	rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
1726	AssertRCReturn(rc, rc);
1727
1728	if (pView->partialRecord.cb == 0)
1729	{
1730	pView->partialRecord.pu8 = NULL;
1731	}
1732	else
1733	{
1734	Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
1735
1736	uint8_t pu8 = (uint8_t )RTMemAlloc (pView->partialRecord.cb);
1737
1738	if (!pu8)
1739	{
1740	return VERR_NO_MEMORY;
1741	}
1742
1743	pView->partialRecord.pu8 = pu8;
1744
1745	rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1746	AssertRCReturn(rc, rc);
1747	}
1748
1749	if (pView->u32VBVAOffset == HGSMIOFFSET_VOID)
1750	{
1751	pView->pVBVA = NULL;
1752	}
1753	else
1754	{
1755	pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
1756	}
1757	}
1758
1759	if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
1760	{
1761	/* Read mouse pointer shape information. */
1762	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
1763	AssertRCReturn(rc, rc);
1764	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
1765	AssertRCReturn(rc, rc);
1766	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
1767	AssertRCReturn(rc, rc);
1768	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
1769	AssertRCReturn(rc, rc);
1770	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
1771	AssertRCReturn(rc, rc);
1772	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
1773	AssertRCReturn(rc, rc);
1774	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
1775	AssertRCReturn(rc, rc);
1776	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
1777	AssertRCReturn(rc, rc);
1778	if (pCtx->mouseShapeInfo.cbShape)
1779	{
1780	pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
1781	if (pCtx->mouseShapeInfo.pu8Shape == NULL)
1782	{
1783	return VERR_NO_MEMORY;
1784	}
1785	pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
1786	rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1787	AssertRCReturn(rc, rc);
1788	}
1789	else
1790	{
1791	pCtx->mouseShapeInfo.pu8Shape = NULL;
1792	}
1793
1794	/* Size of some additional data. For future extensions. */
1795	uint32_t cbExtra = 0;
1796	rc = SSMR3GetU32 (pSSM, &cbExtra);
1797	AssertRCReturn(rc, rc);
1798	#ifdef VBOX_WITH_WDDM
1799	if (cbExtra >= 4)
1800	{
1801	rc = SSMR3GetU32 (pSSM, &pVGAState->fGuestCaps);
1802	AssertRCReturn(rc, rc);
1803	cbExtra -= 4;
1804	}
1805	#endif
1806	if (cbExtra > 0)
1807	{
1808	rc = SSMR3Skip(pSSM, cbExtra);
1809	AssertRCReturn(rc, rc);
1810	}
1811	}
1812
1813	pCtx->cViews = iView;
1814	LogFlowFunc(("%d views loaded\n", pCtx->cViews));
1815
1816	if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM)
1817	{
1818	#ifdef VBOX_WITH_VIDEOHWACCEL
1819	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */
1820	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd);
1821	Assert(pCmd);
1822	if(pCmd)
1823	{
1824	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1825	VhwaData.pSSM = pSSM;
1826	VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM);
1827	pLoad->pSSM = pSSM;
1828	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData);
1829	rc = VhwaData.rc;
1830	vbvaVHWAHHCommandRelease(pCmd);
1831	AssertRCReturn(rc, rc);
1832
1833	rc = vbvaVHWACommandLoadPending(pVGAState, pSSM, u32Version);
1834	AssertRCReturn(rc, rc);
1835	}
1836	else
1837	{
1838	rc = VERR_OUT_OF_RESOURCES;
1839	}
1840	#else
1841	rc = SSMR3SkipToEndOfUnit(pSSM);
1842	AssertRCReturn(rc, rc);
1843	#endif
1844	}
1845
1846	#ifdef DEBUG_sunlover
1847	dumpctx(pCtx);
1848	#endif
1849	}
1850	}
1851
1852	return rc;
1853	}
1854
1855	int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1856	{
1857	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1858	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
1859
1860	if (pCtx)
1861	{
1862	uint32_t iView;
1863	for (iView = 0; iView < pCtx->cViews; iView++)
1864	{
1865	VBVAVIEW *pView = &pCtx->aViews[iView];
1866
1867	if (pView->pVBVA)
1868	{
1869	vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset, true /* fRestored */);
1870	vbvaResize (pVGAState, pView, &pView->screen);
1871	}
1872	}
1873
1874	if (pCtx->mouseShapeInfo.fSet)
1875	{
1876	vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1877	}
1878	}
1879
1880	return VINF_SUCCESS;
1881	}
1882
1883	void VBVARaiseIrq (PVGASTATE pVGAState, uint32_t fFlags)
1884	{
1885	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1886	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
1887
1888	HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ \| fFlags);
1889	PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1890
1891	PDMCritSectLeave(&pVGAState->CritSect);
1892	}
1893
1894	static DECLCALLBACK(int) vbvaRaiseIrqEMT(PVGASTATE pVGAState, uint32_t fFlags)
1895	{
1896	VBVARaiseIrq(pVGAState, fFlags);
1897	return VINF_SUCCESS;
1898	}
1899
1900	void VBVARaiseIrqNoWait(PVGASTATE pVGAState, uint32_t fFlags)
1901	{
1902	/* we can not use PDMDevHlpPCISetIrqNoWait here, because we need to set IRG host flag and raise IRQ atomically,
1903	* otherwise there might be a situation, when:
1904	* 1. Flag is set
1905	* 2. guest issues an IRQ clean request, that cleans up the flag and the interrupt
1906	* 3. IRQ is set */
1907	VMR3ReqCallNoWait(PDMDevHlpGetVM(pVGAState->pDevInsR3), VMCPUID_ANY, (PFNRT)vbvaRaiseIrqEMT, 2, pVGAState, fFlags);
1908	}
1909
1910	int VBVAInfoView(PVGASTATE pVGAState, VBVAINFOVIEW *pView)
1911	{
1912	LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1913	pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1914
1915	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1916	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1917
1918	/* @todo verify view data. */
1919	if (pView->u32ViewIndex >= pCtx->cViews)
1920	{
1921	Log(("View index too large %d!!!\n",
1922	pView->u32ViewIndex));
1923	return VERR_INVALID_PARAMETER;
1924	}
1925
1926	pCtx->aViews[pView->u32ViewIndex].view = *pView;
1927
1928	return VINF_SUCCESS;
1929	}
1930
1931	int VBVAInfoScreen(PVGASTATE pVGAState, VBVAINFOSCREEN *pScreen)
1932	{
1933	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1934	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1935	VBVAINFOVIEW *pView = &pCtx->aViews[pScreen->u32ViewIndex].view;
1936	/* Calculate the offset of the end of the screen so we can make
1937	* sure it is inside the view. I assume that screen rollover is not
1938	* implemented. */
1939	int64_t offEnd = (int64_t)pScreen->u32Height * pScreen->u32LineSize
1940	+ pScreen->u32Width + pScreen->u32StartOffset;
1941	LogRel(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1942	pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1943	pScreen->u32Width, pScreen->u32Height,
1944	pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1945
1946	if ( pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews)
1947	&& pScreen->u16BitsPerPixel <= 32
1948	&& pScreen->u32Width <= UINT16_MAX
1949	&& pScreen->u32Height <= UINT16_MAX
1950	&& pScreen->u32LineSize <= UINT16_MAX * 4
1951	&& offEnd < pView->u32MaxScreenSize)
1952	{
1953	vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1954	return VINF_SUCCESS;
1955	}
1956
1957	LogRelFlow(("VBVA_INFO_SCREEN [%lu]: bad data: %lux%lu, line 0x%lx, BPP %u, start offset %lu, max screen size %lu\n",
1958	(unsigned long)pScreen->u32ViewIndex,
1959	(unsigned long)pScreen->u32Width,
1960	(unsigned long)pScreen->u32Height,
1961	(unsigned long)pScreen->u32LineSize,
1962	(unsigned long)pScreen->u16BitsPerPixel,
1963	(unsigned long)pScreen->u32StartOffset,
1964	(unsigned long)pView->u32MaxScreenSize));
1965	return VERR_INVALID_PARAMETER;
1966	}
1967
1968	int VBVAGetInfoViewAndScreen(PVGASTATE pVGAState, uint32_t u32ViewIndex, VBVAINFOVIEW pView, VBVAINFOSCREEN pScreen)
1969	{
1970	if (u32ViewIndex >= pVGAState->cMonitors)
1971	return VERR_INVALID_PARAMETER;
1972
1973	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1974	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1975
1976	if (pView)
1977	*pView = pCtx->aViews[u32ViewIndex].view;
1978
1979	if (pScreen)
1980	*pScreen = pCtx->aViews[u32ViewIndex].screen;
1981
1982	return VINF_SUCCESS;
1983	}
1984
1985
1986	/*
1987	*
1988	* New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
1989	*
1990	* VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
1991	* Read Write
1992	* Host port 0x3b0 to process completed
1993	* Guest port 0x3d0 control value? to process
1994	*
1995	*/
1996
1997	static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
1998	{
1999	#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_VDMA) \|\| defined(VBOX_WITH_WDDM))
2000	PVGASTATE pVGAState = (PVGASTATE)pvCallback;
2001	VBVARaiseIrqNoWait (pVGAState, 0);
2002	#else
2003	NOREF(pvCallback);
2004	/* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
2005	#endif
2006	}
2007
2008	/* The guest submitted a buffer. @todo Verify all guest data. */
2009	static DECLCALLBACK(int) vbvaChannelHandler (void pvHandler, uint16_t u16ChannelInfo, void pvBuffer, HGSMISIZE cbBuffer)
2010	{
2011	int rc = VINF_SUCCESS;
2012
2013	LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
2014	pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
2015
2016	PVGASTATE pVGAState = (PVGASTATE)pvHandler;
2017	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
2018	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
2019
2020	switch (u16ChannelInfo)
2021	{
2022	case VBVA_CMDVBVA_SUBMIT:
2023	{
2024	# ifdef VBOX_WITH_CRHGSMI
2025	rc = vboxCmdVBVACmdSubmit(pVGAState);
2026	#endif
2027	break;
2028	}
2029	case VBVA_CMDVBVA_FLUSH:
2030	{
2031	# ifdef VBOX_WITH_CRHGSMI
2032	rc =vboxCmdVBVACmdFlush(pVGAState);
2033	#endif
2034	break;
2035	}
2036	case VBVA_CMDVBVA_CTL:
2037	{
2038	#ifdef VBOX_WITH_CRHGSMI
2039	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXCMDVBVA_CTL))
2040	{
2041	Log(("buffer too small\n"));
2042	#ifdef DEBUG_misha
2043	AssertMsgFailed(("buffer too small\n"));
2044	#endif
2045	rc = VERR_INVALID_PARAMETER;
2046	break;
2047	}
2048	VBOXCMDVBVA_CTL pCtl = (VBOXCMDVBVA_CTL)VBoxSHGSMIBufferData((PVBOXSHGSMIHEADER)pvBuffer);
2049	rc = vboxCmdVBVACmdCtl(pVGAState, pCtl, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2050	#endif
2051	break;
2052	}
2053	#ifdef VBOX_WITH_VDMA
2054	case VBVA_VDMA_CMD:
2055	{
2056	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMACBUF_DR))
2057	{
2058	rc = VERR_INVALID_PARAMETER;
2059	break;
2060	}
2061	PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
2062	vboxVDMACommand(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2063	rc = VINF_SUCCESS;
2064	break;
2065	}
2066	case VBVA_VDMA_CTL:
2067	{
2068	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMA_CTL))
2069	{
2070	rc = VERR_INVALID_PARAMETER;
2071	break;
2072	}
2073	PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
2074	vboxVDMAControl(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2075	rc = VINF_SUCCESS;
2076	break;
2077	}
2078	#endif
2079	case VBVA_QUERY_CONF32:
2080	{
2081	if (cbBuffer < sizeof (VBVACONF32))
2082	{
2083	rc = VERR_INVALID_PARAMETER;
2084	break;
2085	}
2086
2087	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
2088	LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
2089	pConf32->u32Index, pConf32->u32Value));
2090
2091	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
2092	{
2093	pConf32->u32Value = pCtx->cViews;
2094	}
2095	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
2096	{
2097	/* @todo a value calculated from the vram size */
2098	pConf32->u32Value = 64*_1K;
2099	}
2100	else
2101	{
2102	Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
2103	pConf32->u32Index));
2104	rc = VERR_INVALID_PARAMETER;
2105	}
2106	} break;
2107
2108	case VBVA_SET_CONF32:
2109	{
2110	if (cbBuffer < sizeof (VBVACONF32))
2111	{
2112	rc = VERR_INVALID_PARAMETER;
2113	break;
2114	}
2115
2116	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
2117	LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
2118	pConf32->u32Index, pConf32->u32Value));
2119
2120	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
2121	{
2122	/* do nothing. this is a const. */
2123	}
2124	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
2125	{
2126	/* do nothing. this is a const. */
2127	}
2128	else
2129	{
2130	Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
2131	pConf32->u32Index));
2132	rc = VERR_INVALID_PARAMETER;
2133	}
2134	} break;
2135
2136	case VBVA_INFO_VIEW:
2137	{
2138	if (cbBuffer < sizeof (VBVAINFOVIEW))
2139	{
2140	rc = VERR_INVALID_PARAMETER;
2141	break;
2142	}
2143
2144	/* Guest submits an array of VBVAINFOVIEW structures. */
2145	VBVAINFOVIEW pView = (VBVAINFOVIEW )pvBuffer;
2146
2147	for (;
2148	cbBuffer >= sizeof (VBVAINFOVIEW);
2149	pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
2150	{
2151	VBVAINFOVIEW View = *pView;
2152	rc = VBVAInfoView(pVGAState, &View);
2153	if (RT_FAILURE(rc))
2154	break;
2155	}
2156	} break;
2157
2158	case VBVA_INFO_HEAP:
2159	{
2160	if (cbBuffer < sizeof (VBVAINFOHEAP))
2161	{
2162	rc = VERR_INVALID_PARAMETER;
2163	break;
2164	}
2165
2166	VBVAINFOHEAP pHeap = (VBVAINFOHEAP )pvBuffer;
2167	LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
2168	pHeap->u32HeapOffset, pHeap->u32HeapSize));
2169
2170	rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
2171	} break;
2172
2173	case VBVA_FLUSH:
2174	{
2175	if (cbBuffer < sizeof (VBVAFLUSH))
2176	{
2177	rc = VERR_INVALID_PARAMETER;
2178	break;
2179	}
2180
2181	VBVAFLUSH pFlush = (VBVAFLUSH )pvBuffer;
2182	LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
2183	pFlush->u32Reserved));
2184
2185	rc = vbvaFlush (pVGAState, pCtx);
2186	} break;
2187
2188	case VBVA_INFO_SCREEN:
2189	{
2190	if (cbBuffer < sizeof (VBVAINFOSCREEN))
2191	{
2192	rc = VERR_INVALID_PARAMETER;
2193	break;
2194	}
2195
2196	VBVAINFOSCREEN pScreen = (VBVAINFOSCREEN )pvBuffer;
2197	VBVAINFOSCREEN Screen = *pScreen;
2198	rc = VBVAInfoScreen(pVGAState, &Screen);
2199	} break;
2200
2201	case VBVA_ENABLE:
2202	{
2203	if (cbBuffer < sizeof (VBVAENABLE))
2204	{
2205	rc = VERR_INVALID_PARAMETER;
2206	break;
2207	}
2208
2209	VBVAENABLE pEnable = (VBVAENABLE )pvBuffer;
2210	unsigned uScreenId;
2211	if (pEnable->u32Flags & VBVA_F_EXTENDED)
2212	{
2213	if (cbBuffer < sizeof (VBVAENABLE_EX))
2214	{
2215	rc = VERR_INVALID_PARAMETER;
2216	break;
2217	}
2218
2219	VBVAENABLE_EX pEnableEx = (VBVAENABLE_EX )pvBuffer;
2220	uScreenId = pEnableEx->u32ScreenId;
2221	}
2222	else
2223	{
2224	uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
2225	}
2226
2227	if (uScreenId == ~0U)
2228	{
2229	rc = VERR_INVALID_PARAMETER;
2230	break;
2231	}
2232
2233	LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
2234	uScreenId, pEnable->u32Flags, pEnable->u32Offset));
2235
2236	if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_ENABLE)
2237	{
2238	/* Guest reported offset relative to view. */
2239	uint32_t u32Offset = pEnable->u32Offset;
2240	if (!(pEnable->u32Flags & VBVA_F_ABSOFFSET))
2241	{
2242	u32Offset += pCtx->aViews[uScreenId].view.u32ViewOffset;
2243	}
2244
2245	VBVABUFFER pVBVA = (VBVABUFFER )HGSMIOffsetToPointerHost (pIns, u32Offset);
2246
2247	if (pVBVA)
2248	{
2249	/* Process any pending orders and empty the VBVA ring buffer. */
2250	vbvaFlush (pVGAState, pCtx);
2251
2252	rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset, false /* fRestored */);
2253	}
2254	else
2255	{
2256	Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
2257	pEnable->u32Offset));
2258	rc = VERR_INVALID_PARAMETER;
2259	}
2260	}
2261	else if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_DISABLE)
2262	{
2263	rc = vbvaDisable (uScreenId, pVGAState, pCtx);
2264	}
2265	else
2266	{
2267	Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
2268	pEnable->u32Flags));
2269	rc = VERR_INVALID_PARAMETER;
2270	}
2271
2272	pEnable->i32Result = rc;
2273	} break;
2274
2275	case VBVA_MOUSE_POINTER_SHAPE:
2276	{
2277	if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
2278	{
2279	rc = VERR_INVALID_PARAMETER;
2280	break;
2281	}
2282
2283	VBVAMOUSEPOINTERSHAPE pShape = (VBVAMOUSEPOINTERSHAPE )pvBuffer;
2284
2285	LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
2286	pShape->i32Result,
2287	pShape->fu32Flags,
2288	pShape->u32HotX,
2289	pShape->u32HotY,
2290	pShape->u32Width,
2291	pShape->u32Height));
2292
2293	rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
2294
2295	pShape->i32Result = rc;
2296	} break;
2297
2298
2299	#ifdef VBOX_WITH_VIDEOHWACCEL
2300	case VBVA_VHWA_CMD:
2301	{
2302	if (cbBuffer < sizeof (VBOXVHWACMD))
2303	{
2304	rc = VERR_INVALID_PARAMETER;
2305	break;
2306	}
2307	vbvaVHWAHandleCommand(pVGAState, (PVBOXVHWACMD)pvBuffer);
2308	rc = VINF_SUCCESS;
2309	break;
2310	} break;
2311	#endif
2312
2313	#ifdef VBOX_WITH_WDDM
2314	case VBVA_INFO_CAPS:
2315	{
2316	if (cbBuffer < sizeof (VBVACAPS))
2317	{
2318	rc = VERR_INVALID_PARAMETER;
2319	break;
2320	}
2321
2322	VBVACAPS pCaps = (VBVACAPS)pvBuffer;
2323	pVGAState->fGuestCaps = pCaps->fCaps;
2324	pCaps->rc = VINF_SUCCESS;
2325	} break;
2326	#endif
2327	case VBVA_SCANLINE_CFG:
2328	{
2329	if (cbBuffer < sizeof (VBVASCANLINECFG))
2330	{
2331	rc = VERR_INVALID_PARAMETER;
2332	break;
2333	}
2334
2335	VBVASCANLINECFG pCfg = (VBVASCANLINECFG)pvBuffer;
2336	pVGAState->fScanLineCfg = pCfg->fFlags;
2337	pCfg->rc = VINF_SUCCESS;
2338	} break;
2339	default:
2340	Log(("Unsupported VBVA guest command %d!!!\n",
2341	u16ChannelInfo));
2342	break;
2343	}
2344
2345	return rc;
2346	}
2347
2348	/* When VBVA is paused, then VGA device is allowed to work but
2349	* no HGSMI etc state is changed.
2350	*/
2351	void VBVAPause(PVGASTATE pVGAState, bool fPause)
2352	{
2353	if (!pVGAState \|\| !pVGAState->pHGSMI)
2354	{
2355	return;
2356	}
2357
2358	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pVGAState->pHGSMI);
2359
2360	if (pCtx)
2361	{
2362	pCtx->fPaused = fPause;
2363	}
2364	}
2365
2366	void VBVAReset (PVGASTATE pVGAState)
2367	{
2368	if (!pVGAState \|\| !pVGAState->pHGSMI)
2369	{
2370	return;
2371	}
2372
2373	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2374
2375	#ifdef VBOX_WITH_VIDEOHWACCEL
2376	vbvaVHWAReset (pVGAState);
2377	#endif
2378
2379	uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
2380	if(HgFlags & HGSMIHOSTFLAGS_IRQ)
2381	{
2382	/* this means the IRQ is LEVEL_HIGH, need to reset it */
2383	PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
2384	}
2385
2386	if (pCtx)
2387	{
2388	vbvaFlush (pVGAState, pCtx);
2389
2390	unsigned uScreenId;
2391
2392	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
2393	{
2394	vbvaDisable (uScreenId, pVGAState, pCtx);
2395	}
2396
2397	pCtx->mouseShapeInfo.fSet = false;
2398	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2399	pCtx->mouseShapeInfo.pu8Shape = NULL;
2400	pCtx->mouseShapeInfo.cbAllocated = 0;
2401	pCtx->mouseShapeInfo.cbShape = 0;
2402	}
2403
2404	}
2405
2406	int VBVAUpdateDisplay (PVGASTATE pVGAState)
2407	{
2408	int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
2409
2410	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2411
2412	if (pCtx)
2413	{
2414	if (!pCtx->fPaused)
2415	{
2416	rc = vbvaFlush (pVGAState, pCtx);
2417
2418	if (RT_SUCCESS (rc))
2419	{
2420	if (!pCtx->aViews[0].pVBVA)
2421	{
2422	/* VBVA is not enabled for the first view, so VGA device must do updates. */
2423	rc = VERR_NOT_SUPPORTED;
2424	}
2425	}
2426	}
2427	}
2428
2429	return rc;
2430	}
2431
2432	static HGSMICHANNELHANDLER sOldChannelHandler;
2433
2434	int VBVAInit (PVGASTATE pVGAState)
2435	{
2436	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
2437
2438	PVM pVM = PDMDevHlpGetVM(pDevIns);
2439
2440	int rc = HGSMICreate (&pVGAState->pHGSMI,
2441	pVM,
2442	"VBVA",
2443	0,
2444	pVGAState->vram_ptrR3,
2445	pVGAState->vram_size,
2446	vbvaNotifyGuest,
2447	pVGAState,
2448	sizeof (VBVACONTEXT));
2449
2450	if (RT_SUCCESS (rc))
2451	{
2452	rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
2453	HGSMI_CH_VBVA,
2454	vbvaChannelHandler,
2455	pVGAState,
2456	&sOldChannelHandler);
2457	if (RT_SUCCESS (rc))
2458	{
2459	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2460	pCtx->cViews = pVGAState->cMonitors;
2461	pCtx->fPaused = true;
2462	}
2463	}
2464
2465	return rc;
2466
2467	}
2468
2469	void VBVADestroy (PVGASTATE pVGAState)
2470	{
2471	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2472
2473	if (pCtx)
2474	{
2475	pCtx->mouseShapeInfo.fSet = false;
2476	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2477	pCtx->mouseShapeInfo.pu8Shape = NULL;
2478	pCtx->mouseShapeInfo.cbAllocated = 0;
2479	pCtx->mouseShapeInfo.cbShape = 0;
2480	}
2481
2482	HGSMIDestroy (pVGAState->pHGSMI);
2483	pVGAState->pHGSMI = NULL;
2484	}

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 51324

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