DevVGA_VBVA.cpp@ 52195

Last change on this file since 52195 was 51730, checked in by vboxsync, 11 years ago
Devices/VGA_VBVA: use RT_STR_TUPLE()
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 80.9 KB

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1	/* $Id: DevVGA_VBVA.cpp 51730 2014-06-26 07:37:27Z 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	pData->ab2DOn[iDisplay] = true;
1481	return true;
1482	case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC:
1483	pData->ab2DOn[iDisplay] = false;
1484	return false;
1485	default:
1486	pData->rc = VERR_INVALID_STATE;
1487	return false;
1488	}
1489	}
1490	#endif /* #ifdef VBOX_WITH_VIDEOHWACCEL */
1491
1492	int vboxVBVASaveDevStateExec (PVGASTATE pVGAState, PSSMHANDLE pSSM)
1493	{
1494	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1495	int rc = HGSMIHostSaveStateExec (pIns, pSSM);
1496	if (RT_SUCCESS(rc))
1497	{
1498	/* Save VBVACONTEXT. */
1499	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1500
1501	if (!pCtx)
1502	{
1503	AssertFailed();
1504
1505	/* Still write a valid value to the SSM. */
1506	rc = SSMR3PutU32 (pSSM, 0);
1507	AssertRCReturn(rc, rc);
1508	}
1509	else
1510	{
1511	#ifdef DEBUG_sunlover
1512	dumpctx(pCtx);
1513	#endif
1514
1515	rc = SSMR3PutU32 (pSSM, pCtx->cViews);
1516	AssertRCReturn(rc, rc);
1517
1518	uint32_t iView;
1519	for (iView = 0; iView < pCtx->cViews; iView++)
1520	{
1521	VBVAVIEW *pView = &pCtx->aViews[iView];
1522
1523	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
1524	AssertRCReturn(rc, rc);
1525	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
1526	AssertRCReturn(rc, rc);
1527	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
1528	AssertRCReturn(rc, rc);
1529	rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
1530	AssertRCReturn(rc, rc);
1531
1532	rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
1533	AssertRCReturn(rc, rc);
1534	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
1535	AssertRCReturn(rc, rc);
1536	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
1537	AssertRCReturn(rc, rc);
1538	rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
1539	AssertRCReturn(rc, rc);
1540	rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
1541	AssertRCReturn(rc, rc);
1542	rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
1543	AssertRCReturn(rc, rc);
1544	rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
1545	AssertRCReturn(rc, rc);
1546	rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
1547	AssertRCReturn(rc, rc);
1548	rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
1549	AssertRCReturn(rc, rc);
1550
1551	rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
1552	AssertRCReturn(rc, rc);
1553
1554	rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
1555	AssertRCReturn(rc, rc);
1556
1557	if (pView->partialRecord.cb > 0)
1558	{
1559	rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1560	AssertRCReturn(rc, rc);
1561	}
1562	}
1563
1564	/* Save mouse pointer shape information. */
1565	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
1566	AssertRCReturn(rc, rc);
1567	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
1568	AssertRCReturn(rc, rc);
1569	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
1570	AssertRCReturn(rc, rc);
1571	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
1572	AssertRCReturn(rc, rc);
1573	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
1574	AssertRCReturn(rc, rc);
1575	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
1576	AssertRCReturn(rc, rc);
1577	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
1578	AssertRCReturn(rc, rc);
1579	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
1580	AssertRCReturn(rc, rc);
1581	if (pCtx->mouseShapeInfo.cbShape)
1582	{
1583	rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1584	AssertRCReturn(rc, rc);
1585	}
1586
1587	#ifdef VBOX_WITH_WDDM
1588	/* Size of some additional data. For future extensions. */
1589	rc = SSMR3PutU32 (pSSM, 4);
1590	AssertRCReturn(rc, rc);
1591	rc = SSMR3PutU32 (pSSM, pVGAState->fGuestCaps);
1592	AssertRCReturn(rc, rc);
1593	#else
1594	/* Size of some additional data. For future extensions. */
1595	rc = SSMR3PutU32 (pSSM, 0);
1596	AssertRCReturn(rc, rc);
1597	#endif
1598	}
1599	}
1600
1601	return rc;
1602	}
1603
1604	int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1605	{
1606	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1607	int rc;
1608	#ifdef VBOX_WITH_VIDEOHWACCEL
1609	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1610	VhwaData.pSSM = pSSM;
1611	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); /* maximum cmd size */
1612	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd);
1613	Assert(pCmd);
1614	if(pCmd)
1615	{
1616	vbvaVHWAHHPost (pVGAState, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData);
1617	rc = VhwaData.rc;
1618	AssertRC(rc);
1619	if (RT_SUCCESS(rc))
1620	{
1621	#endif
1622	rc = vboxVBVASaveDevStateExec (pVGAState, pSSM);
1623	AssertRC(rc);
1624	#ifdef VBOX_WITH_VIDEOHWACCEL
1625	if (RT_SUCCESS(rc))
1626	{
1627	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM, 0);
1628	VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM *pSave = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM);
1629	pSave->pSSM = pSSM;
1630	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData);
1631	rc = VhwaData.rc;
1632	AssertRC(rc);
1633	if (RT_SUCCESS(rc))
1634	{
1635	rc = vbvaVHWACommandSavePending(pVGAState, pSSM);
1636	AssertRCReturn(rc, rc);
1637
1638	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0);
1639	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStateEndPreCb, NULL, &VhwaData);
1640	rc = VhwaData.rc;
1641	AssertRC(rc);
1642	}
1643	}
1644	}
1645
1646	vbvaVHWAHHCommandRelease(pCmd);
1647	}
1648	else
1649	rc = VERR_OUT_OF_RESOURCES;
1650	#else
1651	if (RT_SUCCESS(rc))
1652	{
1653	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1654	{
1655	rc = SSMR3PutU32 (pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC);
1656	AssertRCReturn(rc, rc);
1657	}
1658	}
1659
1660	/* no pending commands */
1661	SSMR3PutU32(pSSM, 0);
1662	#endif
1663	return rc;
1664	}
1665
1666	int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
1667	{
1668	if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
1669	{
1670	/* Nothing was saved. */
1671	return VINF_SUCCESS;
1672	}
1673
1674	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1675	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1676	int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
1677	if (RT_SUCCESS(rc))
1678	{
1679	/* Load VBVACONTEXT. */
1680	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1681
1682	if (!pCtx)
1683	{
1684	/* This should not happen. */
1685	AssertFailed();
1686	rc = VERR_INVALID_PARAMETER;
1687	}
1688	else
1689	{
1690	uint32_t cViews = 0;
1691	rc = SSMR3GetU32 (pSSM, &cViews);
1692	AssertRCReturn(rc, rc);
1693
1694	uint32_t iView;
1695	for (iView = 0; iView < cViews; iView++)
1696	{
1697	VBVAVIEW *pView = &pCtx->aViews[iView];
1698
1699	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
1700	AssertRCReturn(rc, rc);
1701	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
1702	AssertRCReturn(rc, rc);
1703	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
1704	AssertRCReturn(rc, rc);
1705	rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
1706	AssertRCReturn(rc, rc);
1707
1708	rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
1709	AssertRCReturn(rc, rc);
1710	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
1711	AssertRCReturn(rc, rc);
1712	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
1713	AssertRCReturn(rc, rc);
1714	rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
1715	AssertRCReturn(rc, rc);
1716	rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
1717	AssertRCReturn(rc, rc);
1718	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
1719	AssertRCReturn(rc, rc);
1720	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
1721	AssertRCReturn(rc, rc);
1722	rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
1723	AssertRCReturn(rc, rc);
1724	rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
1725	AssertRCReturn(rc, rc);
1726
1727	rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
1728	AssertRCReturn(rc, rc);
1729
1730	rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
1731	AssertRCReturn(rc, rc);
1732
1733	if (pView->partialRecord.cb == 0)
1734	{
1735	pView->partialRecord.pu8 = NULL;
1736	}
1737	else
1738	{
1739	Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
1740
1741	uint8_t pu8 = (uint8_t )RTMemAlloc (pView->partialRecord.cb);
1742
1743	if (!pu8)
1744	{
1745	return VERR_NO_MEMORY;
1746	}
1747
1748	pView->partialRecord.pu8 = pu8;
1749
1750	rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1751	AssertRCReturn(rc, rc);
1752	}
1753
1754	if (pView->u32VBVAOffset == HGSMIOFFSET_VOID)
1755	{
1756	pView->pVBVA = NULL;
1757	}
1758	else
1759	{
1760	pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
1761	}
1762	}
1763
1764	if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
1765	{
1766	/* Read mouse pointer shape information. */
1767	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
1768	AssertRCReturn(rc, rc);
1769	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
1770	AssertRCReturn(rc, rc);
1771	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
1772	AssertRCReturn(rc, rc);
1773	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
1774	AssertRCReturn(rc, rc);
1775	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
1776	AssertRCReturn(rc, rc);
1777	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
1778	AssertRCReturn(rc, rc);
1779	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
1780	AssertRCReturn(rc, rc);
1781	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
1782	AssertRCReturn(rc, rc);
1783	if (pCtx->mouseShapeInfo.cbShape)
1784	{
1785	pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
1786	if (pCtx->mouseShapeInfo.pu8Shape == NULL)
1787	{
1788	return VERR_NO_MEMORY;
1789	}
1790	pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
1791	rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1792	AssertRCReturn(rc, rc);
1793	}
1794	else
1795	{
1796	pCtx->mouseShapeInfo.pu8Shape = NULL;
1797	}
1798
1799	/* Size of some additional data. For future extensions. */
1800	uint32_t cbExtra = 0;
1801	rc = SSMR3GetU32 (pSSM, &cbExtra);
1802	AssertRCReturn(rc, rc);
1803	#ifdef VBOX_WITH_WDDM
1804	if (cbExtra >= 4)
1805	{
1806	rc = SSMR3GetU32 (pSSM, &pVGAState->fGuestCaps);
1807	AssertRCReturn(rc, rc);
1808	cbExtra -= 4;
1809	}
1810	#endif
1811	if (cbExtra > 0)
1812	{
1813	rc = SSMR3Skip(pSSM, cbExtra);
1814	AssertRCReturn(rc, rc);
1815	}
1816	}
1817
1818	pCtx->cViews = iView;
1819	LogFlowFunc(("%d views loaded\n", pCtx->cViews));
1820
1821	if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM)
1822	{
1823	bool fLoadCommands;
1824
1825	if (u32Version < VGA_SAVEDSTATE_VERSION_FIXED_PENDVHWA)
1826	{
1827	const char *pcszOsArch = SSMR3HandleHostOSAndArch(pSSM);
1828	Assert(pcszOsArch);
1829	fLoadCommands = !pcszOsArch \|\| RTStrNCmp(pcszOsArch, RT_STR_TUPLE("solaris"));
1830	}
1831	else
1832	fLoadCommands = true;
1833
1834	#ifdef VBOX_WITH_VIDEOHWACCEL
1835	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */
1836	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd);
1837	Assert(pCmd);
1838	if(pCmd)
1839	{
1840	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1841	VhwaData.pSSM = pSSM;
1842	VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM);
1843	pLoad->pSSM = pSSM;
1844	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData);
1845	rc = VhwaData.rc;
1846	vbvaVHWAHHCommandRelease(pCmd);
1847	AssertRCReturn(rc, rc);
1848
1849	if (fLoadCommands)
1850	{
1851	rc = vbvaVHWACommandLoadPending(pVGAState, pSSM, u32Version);
1852	AssertRCReturn(rc, rc);
1853	}
1854	}
1855	else
1856	{
1857	rc = VERR_OUT_OF_RESOURCES;
1858	}
1859	#else
1860	uint32_t u32;
1861
1862	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1863	{
1864	rc = SSMR3GetU32(pSSM, &u32);
1865	AssertRCReturn(rc, rc);
1866
1867	if (u32 != VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC)
1868	{
1869	LogRel(("2D data while 2D is not supported\n"));
1870	return VERR_NOT_SUPPORTED;
1871	}
1872	}
1873
1874	if (fLoadCommands)
1875	{
1876	rc = SSMR3GetU32(pSSM, &u32);
1877	AssertRCReturn(rc, rc);
1878
1879	if (u32)
1880	{
1881	LogRel(("2D pending command while 2D is not supported\n"));
1882	return VERR_NOT_SUPPORTED;
1883	}
1884	}
1885	#endif
1886	}
1887
1888	#ifdef DEBUG_sunlover
1889	dumpctx(pCtx);
1890	#endif
1891	}
1892	}
1893
1894	return rc;
1895	}
1896
1897	int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1898	{
1899	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1900	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
1901
1902	if (pCtx)
1903	{
1904	uint32_t iView;
1905	for (iView = 0; iView < pCtx->cViews; iView++)
1906	{
1907	VBVAVIEW *pView = &pCtx->aViews[iView];
1908
1909	if (pView->pVBVA)
1910	{
1911	#ifdef VBOX_WITH_CRHGSMI
1912	Assert(!vboxCmdVBVAIsEnabled(pVGAState));
1913	#endif
1914	vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset, true /* fRestored */);
1915	vbvaResize (pVGAState, pView, &pView->screen);
1916	}
1917	}
1918
1919	if (pCtx->mouseShapeInfo.fSet)
1920	{
1921	vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1922	}
1923	}
1924
1925	return VINF_SUCCESS;
1926	}
1927
1928	void VBVARaiseIrq (PVGASTATE pVGAState, uint32_t fFlags)
1929	{
1930	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1931	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
1932
1933	HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ \| fFlags);
1934	PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1935
1936	PDMCritSectLeave(&pVGAState->CritSect);
1937	}
1938
1939	static DECLCALLBACK(int) vbvaRaiseIrqEMT(PVGASTATE pVGAState, uint32_t fFlags)
1940	{
1941	VBVARaiseIrq(pVGAState, fFlags);
1942	return VINF_SUCCESS;
1943	}
1944
1945	void VBVARaiseIrqNoWait(PVGASTATE pVGAState, uint32_t fFlags)
1946	{
1947	/* we can not use PDMDevHlpPCISetIrqNoWait here, because we need to set IRG host flag and raise IRQ atomically,
1948	* otherwise there might be a situation, when:
1949	* 1. Flag is set
1950	* 2. guest issues an IRQ clean request, that cleans up the flag and the interrupt
1951	* 3. IRQ is set */
1952	VMR3ReqCallNoWait(PDMDevHlpGetVM(pVGAState->pDevInsR3), VMCPUID_ANY, (PFNRT)vbvaRaiseIrqEMT, 2, pVGAState, fFlags);
1953	}
1954
1955	int VBVAInfoView(PVGASTATE pVGAState, VBVAINFOVIEW *pView)
1956	{
1957	LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1958	pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1959
1960	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1961	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1962
1963	/* @todo verify view data. */
1964	if (pView->u32ViewIndex >= pCtx->cViews)
1965	{
1966	Log(("View index too large %d!!!\n",
1967	pView->u32ViewIndex));
1968	return VERR_INVALID_PARAMETER;
1969	}
1970
1971	pCtx->aViews[pView->u32ViewIndex].view = *pView;
1972
1973	return VINF_SUCCESS;
1974	}
1975
1976	int VBVAInfoScreen(PVGASTATE pVGAState, VBVAINFOSCREEN *pScreen)
1977	{
1978	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1979	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1980	VBVAINFOVIEW *pView = &pCtx->aViews[pScreen->u32ViewIndex].view;
1981	/* Calculate the offset of the end of the screen so we can make
1982	* sure it is inside the view. I assume that screen rollover is not
1983	* implemented. */
1984	int64_t offEnd = (int64_t)pScreen->u32Height * pScreen->u32LineSize
1985	+ pScreen->u32Width + pScreen->u32StartOffset;
1986	LogRel(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1987	pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1988	pScreen->u32Width, pScreen->u32Height,
1989	pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1990
1991	if ( pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews)
1992	&& pScreen->u16BitsPerPixel <= 32
1993	&& pScreen->u32Width <= UINT16_MAX
1994	&& pScreen->u32Height <= UINT16_MAX
1995	&& pScreen->u32LineSize <= UINT16_MAX * 4
1996	&& offEnd < pView->u32MaxScreenSize)
1997	{
1998	vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1999	return VINF_SUCCESS;
2000	}
2001
2002	LogRelFlow(("VBVA_INFO_SCREEN [%lu]: bad data: %lux%lu, line 0x%lx, BPP %u, start offset %lu, max screen size %lu\n",
2003	(unsigned long)pScreen->u32ViewIndex,
2004	(unsigned long)pScreen->u32Width,
2005	(unsigned long)pScreen->u32Height,
2006	(unsigned long)pScreen->u32LineSize,
2007	(unsigned long)pScreen->u16BitsPerPixel,
2008	(unsigned long)pScreen->u32StartOffset,
2009	(unsigned long)pView->u32MaxScreenSize));
2010	return VERR_INVALID_PARAMETER;
2011	}
2012
2013	int VBVAGetInfoViewAndScreen(PVGASTATE pVGAState, uint32_t u32ViewIndex, VBVAINFOVIEW pView, VBVAINFOSCREEN pScreen)
2014	{
2015	if (u32ViewIndex >= pVGAState->cMonitors)
2016	return VERR_INVALID_PARAMETER;
2017
2018	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
2019	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
2020
2021	if (pView)
2022	*pView = pCtx->aViews[u32ViewIndex].view;
2023
2024	if (pScreen)
2025	*pScreen = pCtx->aViews[u32ViewIndex].screen;
2026
2027	return VINF_SUCCESS;
2028	}
2029
2030
2031	/*
2032	*
2033	* New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
2034	*
2035	* VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
2036	* Read Write
2037	* Host port 0x3b0 to process completed
2038	* Guest port 0x3d0 control value? to process
2039	*
2040	*/
2041
2042	static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
2043	{
2044	#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_VDMA) \|\| defined(VBOX_WITH_WDDM))
2045	PVGASTATE pVGAState = (PVGASTATE)pvCallback;
2046	VBVARaiseIrqNoWait (pVGAState, 0);
2047	#else
2048	NOREF(pvCallback);
2049	/* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
2050	#endif
2051	}
2052
2053	/* The guest submitted a buffer. @todo Verify all guest data. */
2054	static DECLCALLBACK(int) vbvaChannelHandler (void pvHandler, uint16_t u16ChannelInfo, void pvBuffer, HGSMISIZE cbBuffer)
2055	{
2056	int rc = VINF_SUCCESS;
2057
2058	LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
2059	pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
2060
2061	PVGASTATE pVGAState = (PVGASTATE)pvHandler;
2062	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
2063	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
2064
2065	switch (u16ChannelInfo)
2066	{
2067	case VBVA_CMDVBVA_SUBMIT:
2068	{
2069	# ifdef VBOX_WITH_CRHGSMI
2070	rc = vboxCmdVBVACmdSubmit(pVGAState);
2071	#endif
2072	break;
2073	}
2074	case VBVA_CMDVBVA_FLUSH:
2075	{
2076	# ifdef VBOX_WITH_CRHGSMI
2077	rc =vboxCmdVBVACmdFlush(pVGAState);
2078	#endif
2079	break;
2080	}
2081	case VBVA_CMDVBVA_CTL:
2082	{
2083	#ifdef VBOX_WITH_CRHGSMI
2084	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXCMDVBVA_CTL))
2085	{
2086	Log(("buffer too small\n"));
2087	#ifdef DEBUG_misha
2088	AssertMsgFailed(("buffer too small\n"));
2089	#endif
2090	rc = VERR_INVALID_PARAMETER;
2091	break;
2092	}
2093	VBOXCMDVBVA_CTL pCtl = (VBOXCMDVBVA_CTL)VBoxSHGSMIBufferData((PVBOXSHGSMIHEADER)pvBuffer);
2094	rc = vboxCmdVBVACmdCtl(pVGAState, pCtl, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2095	#endif
2096	break;
2097	}
2098	#ifdef VBOX_WITH_VDMA
2099	case VBVA_VDMA_CMD:
2100	{
2101	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMACBUF_DR))
2102	{
2103	rc = VERR_INVALID_PARAMETER;
2104	break;
2105	}
2106	PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
2107	vboxVDMACommand(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2108	rc = VINF_SUCCESS;
2109	break;
2110	}
2111	case VBVA_VDMA_CTL:
2112	{
2113	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMA_CTL))
2114	{
2115	rc = VERR_INVALID_PARAMETER;
2116	break;
2117	}
2118	PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
2119	vboxVDMAControl(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2120	rc = VINF_SUCCESS;
2121	break;
2122	}
2123	#endif
2124	case VBVA_QUERY_CONF32:
2125	{
2126	if (cbBuffer < sizeof (VBVACONF32))
2127	{
2128	rc = VERR_INVALID_PARAMETER;
2129	break;
2130	}
2131
2132	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
2133	LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
2134	pConf32->u32Index, pConf32->u32Value));
2135
2136	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
2137	{
2138	pConf32->u32Value = pCtx->cViews;
2139	}
2140	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
2141	{
2142	/* @todo a value calculated from the vram size */
2143	pConf32->u32Value = 64*_1K;
2144	}
2145	else
2146	{
2147	Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
2148	pConf32->u32Index));
2149	rc = VERR_INVALID_PARAMETER;
2150	}
2151	} break;
2152
2153	case VBVA_SET_CONF32:
2154	{
2155	if (cbBuffer < sizeof (VBVACONF32))
2156	{
2157	rc = VERR_INVALID_PARAMETER;
2158	break;
2159	}
2160
2161	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
2162	LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
2163	pConf32->u32Index, pConf32->u32Value));
2164
2165	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
2166	{
2167	/* do nothing. this is a const. */
2168	}
2169	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
2170	{
2171	/* do nothing. this is a const. */
2172	}
2173	else
2174	{
2175	Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
2176	pConf32->u32Index));
2177	rc = VERR_INVALID_PARAMETER;
2178	}
2179	} break;
2180
2181	case VBVA_INFO_VIEW:
2182	{
2183	#ifdef VBOX_WITH_CRHGSMI
2184	if (vboxCmdVBVAIsEnabled(pVGAState))
2185	{
2186	AssertMsgFailed(("VBVA_INFO_VIEW is not acceptible for CmdVbva\n"));
2187	rc = VERR_INVALID_PARAMETER;
2188	break;
2189	}
2190	#endif
2191
2192	if (cbBuffer < sizeof (VBVAINFOVIEW))
2193	{
2194	rc = VERR_INVALID_PARAMETER;
2195	break;
2196	}
2197
2198	/* Guest submits an array of VBVAINFOVIEW structures. */
2199	VBVAINFOVIEW pView = (VBVAINFOVIEW )pvBuffer;
2200
2201	for (;
2202	cbBuffer >= sizeof (VBVAINFOVIEW);
2203	pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
2204	{
2205	VBVAINFOVIEW View = *pView;
2206	rc = VBVAInfoView(pVGAState, &View);
2207	if (RT_FAILURE(rc))
2208	break;
2209	}
2210	} break;
2211
2212	case VBVA_INFO_HEAP:
2213	{
2214	if (cbBuffer < sizeof (VBVAINFOHEAP))
2215	{
2216	rc = VERR_INVALID_PARAMETER;
2217	break;
2218	}
2219
2220	VBVAINFOHEAP pHeap = (VBVAINFOHEAP )pvBuffer;
2221	LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
2222	pHeap->u32HeapOffset, pHeap->u32HeapSize));
2223
2224	rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
2225	} break;
2226
2227	case VBVA_FLUSH:
2228	{
2229	if (cbBuffer < sizeof (VBVAFLUSH))
2230	{
2231	rc = VERR_INVALID_PARAMETER;
2232	break;
2233	}
2234
2235	VBVAFLUSH pFlush = (VBVAFLUSH )pvBuffer;
2236	LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
2237	pFlush->u32Reserved));
2238
2239	rc = vbvaFlush (pVGAState, pCtx);
2240	} break;
2241
2242	case VBVA_INFO_SCREEN:
2243	{
2244	if (cbBuffer < sizeof (VBVAINFOSCREEN))
2245	{
2246	rc = VERR_INVALID_PARAMETER;
2247	break;
2248	}
2249
2250	#ifdef VBOX_WITH_CRHGSMI
2251	if (vboxCmdVBVAIsEnabled(pVGAState))
2252	{
2253	AssertMsgFailed(("VBVA_INFO_SCREEN is not acceptible for CmdVbva\n"));
2254	rc = VERR_INVALID_PARAMETER;
2255	break;
2256	}
2257	#endif
2258
2259	VBVAINFOSCREEN pScreen = (VBVAINFOSCREEN )pvBuffer;
2260	VBVAINFOSCREEN Screen = *pScreen;
2261	rc = VBVAInfoScreen(pVGAState, &Screen);
2262	} break;
2263
2264	case VBVA_ENABLE:
2265	{
2266	#ifdef VBOX_WITH_CRHGSMI
2267	if (vboxCmdVBVAIsEnabled(pVGAState))
2268	{
2269	AssertMsgFailed(("VBVA_ENABLE is not acceptible for CmdVbva\n"));
2270	rc = VERR_INVALID_PARAMETER;
2271	break;
2272	}
2273	#endif
2274
2275	if (cbBuffer < sizeof (VBVAENABLE))
2276	{
2277	rc = VERR_INVALID_PARAMETER;
2278	break;
2279	}
2280
2281	VBVAENABLE pEnable = (VBVAENABLE )pvBuffer;
2282	unsigned uScreenId;
2283	if (pEnable->u32Flags & VBVA_F_EXTENDED)
2284	{
2285	if (cbBuffer < sizeof (VBVAENABLE_EX))
2286	{
2287	rc = VERR_INVALID_PARAMETER;
2288	break;
2289	}
2290
2291	VBVAENABLE_EX pEnableEx = (VBVAENABLE_EX )pvBuffer;
2292	uScreenId = pEnableEx->u32ScreenId;
2293	}
2294	else
2295	{
2296	uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
2297	}
2298
2299	if (uScreenId == ~0U)
2300	{
2301	rc = VERR_INVALID_PARAMETER;
2302	break;
2303	}
2304
2305	LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
2306	uScreenId, pEnable->u32Flags, pEnable->u32Offset));
2307
2308	if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_ENABLE)
2309	{
2310	/* Guest reported offset relative to view. */
2311	uint32_t u32Offset = pEnable->u32Offset;
2312	if (!(pEnable->u32Flags & VBVA_F_ABSOFFSET))
2313	{
2314	u32Offset += pCtx->aViews[uScreenId].view.u32ViewOffset;
2315	}
2316
2317	VBVABUFFER pVBVA = (VBVABUFFER )HGSMIOffsetToPointerHost (pIns, u32Offset);
2318
2319	if (pVBVA)
2320	{
2321	/* Process any pending orders and empty the VBVA ring buffer. */
2322	vbvaFlush (pVGAState, pCtx);
2323
2324	rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset, false /* fRestored */);
2325	}
2326	else
2327	{
2328	Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
2329	pEnable->u32Offset));
2330	rc = VERR_INVALID_PARAMETER;
2331	}
2332	}
2333	else if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_DISABLE)
2334	{
2335	rc = vbvaDisable (uScreenId, pVGAState, pCtx);
2336	}
2337	else
2338	{
2339	Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
2340	pEnable->u32Flags));
2341	rc = VERR_INVALID_PARAMETER;
2342	}
2343
2344	pEnable->i32Result = rc;
2345	} break;
2346
2347	case VBVA_MOUSE_POINTER_SHAPE:
2348	{
2349	if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
2350	{
2351	rc = VERR_INVALID_PARAMETER;
2352	break;
2353	}
2354
2355	VBVAMOUSEPOINTERSHAPE pShape = (VBVAMOUSEPOINTERSHAPE )pvBuffer;
2356
2357	LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
2358	pShape->i32Result,
2359	pShape->fu32Flags,
2360	pShape->u32HotX,
2361	pShape->u32HotY,
2362	pShape->u32Width,
2363	pShape->u32Height));
2364
2365	rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
2366
2367	pShape->i32Result = rc;
2368	} break;
2369
2370
2371	#ifdef VBOX_WITH_VIDEOHWACCEL
2372	case VBVA_VHWA_CMD:
2373	{
2374	if (cbBuffer < sizeof (VBOXVHWACMD))
2375	{
2376	rc = VERR_INVALID_PARAMETER;
2377	break;
2378	}
2379	vbvaVHWAHandleCommand(pVGAState, (PVBOXVHWACMD)pvBuffer);
2380	rc = VINF_SUCCESS;
2381	break;
2382	} break;
2383	#endif
2384
2385	#ifdef VBOX_WITH_WDDM
2386	case VBVA_INFO_CAPS:
2387	{
2388	if (cbBuffer < sizeof (VBVACAPS))
2389	{
2390	rc = VERR_INVALID_PARAMETER;
2391	break;
2392	}
2393
2394	VBVACAPS pCaps = (VBVACAPS)pvBuffer;
2395	pVGAState->fGuestCaps = pCaps->fCaps;
2396	pCaps->rc = VINF_SUCCESS;
2397	} break;
2398	#endif
2399	case VBVA_SCANLINE_CFG:
2400	{
2401	if (cbBuffer < sizeof (VBVASCANLINECFG))
2402	{
2403	rc = VERR_INVALID_PARAMETER;
2404	break;
2405	}
2406
2407	VBVASCANLINECFG pCfg = (VBVASCANLINECFG)pvBuffer;
2408	pVGAState->fScanLineCfg = pCfg->fFlags;
2409	pCfg->rc = VINF_SUCCESS;
2410	} break;
2411	default:
2412	Log(("Unsupported VBVA guest command %d!!!\n",
2413	u16ChannelInfo));
2414	break;
2415	}
2416
2417	return rc;
2418	}
2419
2420	/* When VBVA is paused, then VGA device is allowed to work but
2421	* no HGSMI etc state is changed.
2422	*/
2423	void VBVAPause(PVGASTATE pVGAState, bool fPause)
2424	{
2425	if (!pVGAState \|\| !pVGAState->pHGSMI)
2426	{
2427	return;
2428	}
2429
2430	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pVGAState->pHGSMI);
2431
2432	if (pCtx)
2433	{
2434	pCtx->fPaused = fPause;
2435	}
2436	}
2437
2438	void VBVAReset (PVGASTATE pVGAState)
2439	{
2440	if (!pVGAState \|\| !pVGAState->pHGSMI)
2441	{
2442	return;
2443	}
2444
2445	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2446
2447	#ifdef VBOX_WITH_VIDEOHWACCEL
2448	vbvaVHWAReset (pVGAState);
2449	#endif
2450
2451	uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
2452	if(HgFlags & HGSMIHOSTFLAGS_IRQ)
2453	{
2454	/* this means the IRQ is LEVEL_HIGH, need to reset it */
2455	PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
2456	}
2457
2458	if (pCtx)
2459	{
2460	vbvaFlush (pVGAState, pCtx);
2461
2462	unsigned uScreenId;
2463
2464	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
2465	{
2466	vbvaDisable (uScreenId, pVGAState, pCtx);
2467	}
2468
2469	pCtx->mouseShapeInfo.fSet = false;
2470	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2471	pCtx->mouseShapeInfo.pu8Shape = NULL;
2472	pCtx->mouseShapeInfo.cbAllocated = 0;
2473	pCtx->mouseShapeInfo.cbShape = 0;
2474	}
2475
2476	}
2477
2478	int VBVAUpdateDisplay (PVGASTATE pVGAState)
2479	{
2480	int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
2481
2482	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2483
2484	if (pCtx)
2485	{
2486	if (!pCtx->fPaused)
2487	{
2488	rc = vbvaFlush (pVGAState, pCtx);
2489
2490	if (RT_SUCCESS (rc))
2491	{
2492	if (!pCtx->aViews[0].pVBVA)
2493	{
2494	/* VBVA is not enabled for the first view, so VGA device must do updates. */
2495	rc = VERR_NOT_SUPPORTED;
2496	}
2497	}
2498	}
2499	}
2500
2501	return rc;
2502	}
2503
2504	static HGSMICHANNELHANDLER sOldChannelHandler;
2505
2506	int VBVAInit (PVGASTATE pVGAState)
2507	{
2508	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
2509
2510	PVM pVM = PDMDevHlpGetVM(pDevIns);
2511
2512	int rc = HGSMICreate (&pVGAState->pHGSMI,
2513	pVM,
2514	"VBVA",
2515	0,
2516	pVGAState->vram_ptrR3,
2517	pVGAState->vram_size,
2518	vbvaNotifyGuest,
2519	pVGAState,
2520	sizeof (VBVACONTEXT));
2521
2522	if (RT_SUCCESS (rc))
2523	{
2524	rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
2525	HGSMI_CH_VBVA,
2526	vbvaChannelHandler,
2527	pVGAState,
2528	&sOldChannelHandler);
2529	if (RT_SUCCESS (rc))
2530	{
2531	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2532	pCtx->cViews = pVGAState->cMonitors;
2533	pCtx->fPaused = true;
2534	}
2535	}
2536
2537	return rc;
2538
2539	}
2540
2541	void VBVADestroy (PVGASTATE pVGAState)
2542	{
2543	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2544
2545	if (pCtx)
2546	{
2547	pCtx->mouseShapeInfo.fSet = false;
2548	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2549	pCtx->mouseShapeInfo.pu8Shape = NULL;
2550	pCtx->mouseShapeInfo.cbAllocated = 0;
2551	pCtx->mouseShapeInfo.cbShape = 0;
2552	}
2553
2554	HGSMIDestroy (pVGAState->pHGSMI);
2555	pVGAState->pHGSMI = NULL;
2556	}

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 52195

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