DevVGA_VBVA.cpp@ 44000

Last change on this file since 44000 was 42409, checked in by vboxsync, 12 years ago
Devices/VGA: added additional enable-able release loggingfor screen area updates by the Additions.
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File size: 67.7 KB

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1	/** @file
2	* VirtualBox Video Acceleration (VBVA).
3	*/
4
5	/*
6	* Copyright (C) 2006-2009 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*/
16
17	#define LOG_GROUP LOG_GROUP_DEV_VGA
18	#include <VBox/vmm/pdmifs.h>
19	#include <VBox/vmm/pdmdev.h>
20	#include <VBox/vmm/pgm.h>
21	#include <VBox/vmm/ssm.h>
22	#include <VBox/VMMDev.h>
23	#include <VBox/VBoxVideo.h>
24	#include <iprt/alloc.h>
25	#include <iprt/assert.h>
26	#include <iprt/asm.h>
27	#include <iprt/string.h>
28	#include <iprt/param.h>
29	#ifdef VBOX_WITH_VIDEOHWACCEL
30	#include <iprt/semaphore.h>
31	#endif
32
33	#include "DevVGA.h"
34
35	/* A very detailed logging. */
36	#if 0 // def DEBUG_sunlover
37	#define LOGVBVABUFFER(a) LogFlow(a)
38	#else
39	#define LOGVBVABUFFER(a) do {} while(0)
40	#endif
41
42	typedef struct VBVAPARTIALRECORD
43	{
44	uint8_t *pu8;
45	uint32_t cb;
46	} VBVAPARTIALRECORD;
47
48	typedef struct VBVAVIEW
49	{
50	VBVAINFOVIEW view;
51	VBVAINFOSCREEN screen;
52	VBVABUFFER *pVBVA;
53	uint32_t u32VBVAOffset;
54	VBVAPARTIALRECORD partialRecord;
55	} VBVAVIEW;
56
57	typedef struct VBVAMOUSESHAPEINFO
58	{
59	bool fSet;
60	bool fVisible;
61	bool fAlpha;
62	uint32_t u32HotX;
63	uint32_t u32HotY;
64	uint32_t u32Width;
65	uint32_t u32Height;
66	uint32_t cbShape;
67	uint32_t cbAllocated;
68	uint8_t *pu8Shape;
69	} VBVAMOUSESHAPEINFO;
70
71	/* @todo saved state: save and restore VBVACONTEXT */
72	typedef struct VBVACONTEXT
73	{
74	uint32_t cViews;
75	VBVAVIEW aViews[64 /* @todo SchemaDefs::MaxGuestMonitors*/];
76	VBVAMOUSESHAPEINFO mouseShapeInfo;
77	} VBVACONTEXT;
78
79	/* Copies 'cb' bytes from the VBVA ring buffer to the 'pu8Dst'.
80	* Used for partial records or for records which cross the ring boundary.
81	*/
82	static void vbvaFetchBytes (VBVABUFFER pVBVA, uint8_t pu8Dst, uint32_t cb)
83	{
84	/* @todo replace the 'if' with an assert. The caller must ensure this condition. */
85	if (cb >= pVBVA->cbData)
86	{
87	AssertMsgFailed (("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVA->cbData));
88	return;
89	}
90
91	const uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
92	const uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
93	const int32_t i32Diff = cb - u32BytesTillBoundary;
94
95	if (i32Diff <= 0)
96	{
97	/* Chunk will not cross buffer boundary. */
98	memcpy (pu8Dst, src, cb);
99	}
100	else
101	{
102	/* Chunk crosses buffer boundary. */
103	memcpy (pu8Dst, src, u32BytesTillBoundary);
104	memcpy (pu8Dst + u32BytesTillBoundary, &pVBVA->au8Data[0], i32Diff);
105	}
106
107	/* Advance data offset. */
108	pVBVA->off32Data = (pVBVA->off32Data + cb) % pVBVA->cbData;
109
110	return;
111	}
112
113
114	static bool vbvaPartialRead (VBVAPARTIALRECORD pPartialRecord, uint32_t cbRecord, VBVABUFFER pVBVA)
115	{
116	uint8_t *pu8New;
117
118	LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
119	pPartialRecord->pu8, pPartialRecord->cb, cbRecord));
120
121	if (pPartialRecord->pu8)
122	{
123	Assert (pPartialRecord->cb);
124	pu8New = (uint8_t *)RTMemRealloc (pPartialRecord->pu8, cbRecord);
125	}
126	else
127	{
128	Assert (!pPartialRecord->cb);
129	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
130	}
131
132	if (!pu8New)
133	{
134	/* Memory allocation failed, fail the function. */
135	Log(("vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
136	cbRecord));
137
138	if (pPartialRecord->pu8)
139	{
140	RTMemFree (pPartialRecord->pu8);
141	}
142
143	pPartialRecord->pu8 = NULL;
144	pPartialRecord->cb = 0;
145
146	return false;
147	}
148
149	/* Fetch data from the ring buffer. */
150	vbvaFetchBytes (pVBVA, pu8New + pPartialRecord->cb, cbRecord - pPartialRecord->cb);
151
152	pPartialRecord->pu8 = pu8New;
153	pPartialRecord->cb = cbRecord;
154
155	return true;
156	}
157
158	/* For contiguous chunks just return the address in the buffer.
159	* For crossing boundary - allocate a buffer from heap.
160	*/
161	static bool vbvaFetchCmd (VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA, VBVACMDHDR *ppHdr, uint32_t pcbCmd)
162	{
163	uint32_t indexRecordFirst = pVBVA->indexRecordFirst;
164	uint32_t indexRecordFree = pVBVA->indexRecordFree;
165
166	LOGVBVABUFFER(("first = %d, free = %d\n",
167	indexRecordFirst, indexRecordFree));
168
169	if (indexRecordFirst == indexRecordFree)
170	{
171	/* No records to process. Return without assigning output variables. */
172	return true;
173	}
174
175	uint32_t cbRecordCurrent = ASMAtomicReadU32(&pVBVA->aRecords[indexRecordFirst].cbRecord);
176
177	LOGVBVABUFFER(("cbRecord = 0x%08X, pPartialRecord->cb = 0x%08X\n", cbRecordCurrent, pPartialRecord->cb));
178
179	uint32_t cbRecord = cbRecordCurrent & ~VBVA_F_RECORD_PARTIAL;
180
181	if (pPartialRecord->cb)
182	{
183	/* There is a partial read in process. Continue with it. */
184	Assert (pPartialRecord->pu8);
185
186	LOGVBVABUFFER(("continue partial record cb = %d cbRecord 0x%08X, first = %d, free = %d\n",
187	pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
188
189	if (cbRecord > pPartialRecord->cb)
190	{
191	/* New data has been added to the record. */
192	if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
193	{
194	return false;
195	}
196	}
197
198	if (!(cbRecordCurrent & VBVA_F_RECORD_PARTIAL))
199	{
200	/* The record is completed by guest. Return it to the caller. */
201	ppHdr = (VBVACMDHDR )pPartialRecord->pu8;
202	*pcbCmd = pPartialRecord->cb;
203
204	pPartialRecord->pu8 = NULL;
205	pPartialRecord->cb = 0;
206
207	/* Advance the record index. */
208	pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
209
210	LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n",
211	pVBVA->off32Data, pVBVA->off32Free));
212	}
213
214	return true;
215	}
216
217	/* A new record need to be processed. */
218	if (cbRecordCurrent & VBVA_F_RECORD_PARTIAL)
219	{
220	/* Current record is being written by guest. '=' is important here,
221	* because the guest will do a FLUSH at this condition.
222	* This partial record is too large for the ring buffer and must
223	* be accumulated in an allocated buffer.
224	*/
225	if (cbRecord >= pVBVA->cbData - pVBVA->cbPartialWriteThreshold)
226	{
227	/* Partial read must be started. */
228	if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
229	{
230	return false;
231	}
232
233	LOGVBVABUFFER(("started partial record cb = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
234	pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
235	}
236
237	return true;
238	}
239
240	/* Current record is complete. If it is not empty, process it. */
241	if (cbRecord)
242	{
243	/* The size of largest contiguous chunk in the ring biffer. */
244	uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
245
246	/* The pointer to data in the ring buffer. */
247	uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
248
249	/* Fetch or point the data. */
250	if (u32BytesTillBoundary >= cbRecord)
251	{
252	/* The command does not cross buffer boundary. Return address in the buffer. */
253	ppHdr = (VBVACMDHDR )src;
254
255	/* Advance data offset. */
256	pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
257	}
258	else
259	{
260	/* The command crosses buffer boundary. Rare case, so not optimized. */
261	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
262
263	if (!dst)
264	{
265	LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
266	pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
267	return false;
268	}
269
270	vbvaFetchBytes (pVBVA, dst, cbRecord);
271
272	ppHdr = (VBVACMDHDR )dst;
273
274	LOGVBVABUFFER(("Allocated from heap %p\n", dst));
275	}
276	}
277
278	*pcbCmd = cbRecord;
279
280	/* Advance the record index. */
281	pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
282
283	LOGVBVABUFFER(("done ok, data = %d, free = %d\n",
284	pVBVA->off32Data, pVBVA->off32Free));
285
286	return true;
287	}
288
289	static void vbvaReleaseCmd (VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA, VBVACMDHDR *pHdr, uint32_t cbCmd)
290	{
291	uint8_t *au8RingBuffer = &pVBVA->au8Data[0];
292
293	if ( (uint8_t *)pHdr >= au8RingBuffer
294	&& (uint8_t *)pHdr < &au8RingBuffer[pVBVA->cbData])
295	{
296	/* The pointer is inside ring buffer. Must be continuous chunk. */
297	Assert (pVBVA->cbData - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
298
299	/* Do nothing. */
300
301	Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
302	}
303	else
304	{
305	/* The pointer is outside. It is then an allocated copy. */
306	LOGVBVABUFFER(("Free heap %p\n", pHdr));
307
308	if ((uint8_t *)pHdr == pPartialRecord->pu8)
309	{
310	pPartialRecord->pu8 = NULL;
311	pPartialRecord->cb = 0;
312	}
313	else
314	{
315	Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
316	}
317
318	RTMemFree (pHdr);
319	}
320
321	return;
322	}
323
324	static int vbvaFlushProcess (unsigned uScreenId, PVGASTATE pVGAState, VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA)
325	{
326	LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
327	uScreenId, pVBVA->indexRecordFirst, pVBVA->indexRecordFree, pVBVA->off32Data, pVBVA->off32Free));
328	struct {
329	/* The rectangle that includes all dirty rectangles. */
330	int32_t xLeft;
331	int32_t xRight;
332	int32_t yTop;
333	int32_t yBottom;
334	} dirtyRect;
335	RT_ZERO(dirtyRect);
336
337	bool fUpdate = false; /* Whether there were any updates. */
338	bool fDirtyEmpty = true;
339
340	for (;;)
341	{
342	VBVACMDHDR *phdr = NULL;
343	uint32_t cbCmd = ~0;
344
345	/* Fetch the command data. */
346	if (!vbvaFetchCmd (pPartialRecord, pVBVA, &phdr, &cbCmd))
347	{
348	LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n",
349	pVBVA->off32Data, pVBVA->off32Free));
350
351	/* @todo old code disabled VBVA processing here. */
352	return VERR_NOT_SUPPORTED;
353	}
354
355	if (cbCmd == uint32_t(~0))
356	{
357	/* No more commands yet in the queue. */
358	break;
359	}
360
361	if (cbCmd != 0)
362	{
363	if (!fUpdate)
364	{
365	pVGAState->pDrv->pfnVBVAUpdateBegin (pVGAState->pDrv, uScreenId);
366	fUpdate = true;
367	}
368
369	/* Updates the rectangle and sends the command to the VRDP server. */
370	pVGAState->pDrv->pfnVBVAUpdateProcess (pVGAState->pDrv, uScreenId, phdr, cbCmd);
371
372	int32_t xRight = phdr->x + phdr->w;
373	int32_t yBottom = phdr->y + phdr->h;
374
375	/* These are global coords, relative to the primary screen. */
376
377	LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
378	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
379	LogRel3(("%s: update command cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
380	__PRETTY_FUNCTION__, cbCmd, phdr->x, phdr->y, phdr->w,
381	phdr->h));
382
383	/* Collect all rects into one. */
384	if (fDirtyEmpty)
385	{
386	/* This is the first rectangle to be added. */
387	dirtyRect.xLeft = phdr->x;
388	dirtyRect.yTop = phdr->y;
389	dirtyRect.xRight = xRight;
390	dirtyRect.yBottom = yBottom;
391	fDirtyEmpty = false;
392	}
393	else
394	{
395	/* Adjust region coordinates. */
396	if (dirtyRect.xLeft > phdr->x)
397	{
398	dirtyRect.xLeft = phdr->x;
399	}
400
401	if (dirtyRect.yTop > phdr->y)
402	{
403	dirtyRect.yTop = phdr->y;
404	}
405
406	if (dirtyRect.xRight < xRight)
407	{
408	dirtyRect.xRight = xRight;
409	}
410
411	if (dirtyRect.yBottom < yBottom)
412	{
413	dirtyRect.yBottom = yBottom;
414	}
415	}
416	}
417
418	vbvaReleaseCmd (pPartialRecord, pVBVA, phdr, cbCmd);
419	}
420
421	if (fUpdate)
422	{
423	if (dirtyRect.xRight - dirtyRect.xLeft)
424	{
425	LogRel3(("%s: sending update screen=%d, x=%d, y=%d, w=%d, h=%d\n",
426	__PRETTY_FUNCTION__, uScreenId, dirtyRect.xLeft,
427	dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft,
428	dirtyRect.yBottom - dirtyRect.yTop));
429	pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop,
430	dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop);
431	}
432	else
433	{
434	pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, 0, 0, 0, 0);
435	}
436	}
437
438	return VINF_SUCCESS;
439	}
440
441	static int vbvaFlush (PVGASTATE pVGAState, VBVACONTEXT *pCtx)
442	{
443	unsigned uScreenId;
444
445	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
446	{
447	VBVAPARTIALRECORD *pPartialRecord = &pCtx->aViews[uScreenId].partialRecord;
448	VBVABUFFER *pVBVA = pCtx->aViews[uScreenId].pVBVA;
449
450	if (pVBVA)
451	{
452	vbvaFlushProcess (uScreenId, pVGAState, pPartialRecord, pVBVA);
453	}
454	}
455
456	/* @todo rc */
457	return VINF_SUCCESS;
458	}
459
460	static int vbvaResize (PVGASTATE pVGAState, VBVAVIEW pView, const VBVAINFOSCREEN pNewScreen)
461	{
462	/* Verify pNewScreen. */
463	/* @todo */
464
465	/* Apply these changes. */
466	pView->screen = *pNewScreen;
467
468	uint8_t *pu8VRAM = pVGAState->vram_ptrR3 + pView->view.u32ViewOffset;
469
470	int rc = pVGAState->pDrv->pfnVBVAResize (pVGAState->pDrv, &pView->view, &pView->screen, pu8VRAM);
471
472	/* @todo process VINF_VGA_RESIZE_IN_PROGRESS? */
473
474	return rc;
475	}
476
477	static int vbvaEnable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT pCtx, VBVABUFFER pVBVA, uint32_t u32Offset, bool fRestored)
478	{
479	/* @todo old code did a UpdateDisplayAll at this place. */
480
481	int rc;
482
483	if (pVGAState->pDrv->pfnVBVAEnable)
484	{
485	pVBVA->hostFlags.u32HostEvents = 0;
486	pVBVA->hostFlags.u32SupportedOrders = 0;
487
488	rc = pVGAState->pDrv->pfnVBVAEnable (pVGAState->pDrv, uScreenId, &pVBVA->hostFlags);
489	}
490	else
491	{
492	rc = VERR_NOT_SUPPORTED;
493	}
494
495	if (RT_SUCCESS (rc))
496	{
497	/* pVBVA->hostFlags has been set up by pfnVBVAEnable. */
498	LogFlowFunc(("u32HostEvents 0x%08X, u32SupportedOrders 0x%08X\n",
499	pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders));
500
501	if (!fRestored)
502	{
503	/* @todo Actually this function must not touch the partialRecord structure at all,
504	* because initially it is a zero and when VBVA is disabled this should be set to zero.
505	* But I'm not sure that no code depends on zeroing partialRecord here.
506	* So for now (a quick fix for 4.1) just do not do this if the VM was restored,
507	* when partialRecord might be loaded already from the saved state.
508	*/
509	pCtx->aViews[uScreenId].partialRecord.pu8 = NULL;
510	pCtx->aViews[uScreenId].partialRecord.cb = 0;
511	}
512
513	pCtx->aViews[uScreenId].pVBVA = pVBVA;
514	pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset;
515	}
516
517	return rc;
518	}
519
520	static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx)
521	{
522	/* Process any pending orders and empty the VBVA ring buffer. */
523	vbvaFlush (pVGAState, pCtx);
524
525	VBVAVIEW *pView = &pCtx->aViews[uScreenId];
526
527	if (pView->pVBVA)
528	{
529	pView->pVBVA->hostFlags.u32HostEvents = 0;
530	pView->pVBVA->hostFlags.u32SupportedOrders = 0;
531
532	pView->partialRecord.pu8 = NULL;
533	pView->partialRecord.cb = 0;
534
535	pView->pVBVA = NULL;
536	pView->u32VBVAOffset = HGSMIOFFSET_VOID;
537	}
538
539	pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
540	return VINF_SUCCESS;
541	}
542
543	bool VBVAIsEnabled(PVGASTATE pVGAState)
544	{
545	PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI;
546	if (pHGSMI)
547	{
548	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pHGSMI);
549	if (pCtx)
550	{
551	if (pCtx->cViews)
552	{
553	VBVAVIEW * pView = &pCtx->aViews[0];
554	if (pView->pVBVA)
555	return true;
556	}
557	}
558	}
559	return false;
560	}
561
562	#ifdef DEBUG_sunlover
563	void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
564	{
565	LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
566	pMouseShapeInfo->fSet,
567	pMouseShapeInfo->fVisible,
568	pMouseShapeInfo->fAlpha,
569	pMouseShapeInfo->u32HotX,
570	pMouseShapeInfo->u32HotY,
571	pMouseShapeInfo->u32Width,
572	pMouseShapeInfo->u32Height,
573	pMouseShapeInfo->pu8Shape,
574	pMouseShapeInfo->cbShape,
575	pMouseShapeInfo->cbAllocated
576	));
577	}
578	#endif
579
580	static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO pMouseShapeInfo, bool fShape, const uint8_t pu8Shape)
581	{
582	int rc;
583	LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
584	pVGAState, pMouseShapeInfo, fShape, pu8Shape));
585	#ifdef DEBUG_sunlover
586	dumpMouseShapeInfo(pMouseShapeInfo);
587	#endif
588
589	if (fShape && pu8Shape != NULL)
590	{
591	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
592	pMouseShapeInfo->fVisible,
593	pMouseShapeInfo->fAlpha,
594	pMouseShapeInfo->u32HotX,
595	pMouseShapeInfo->u32HotY,
596	pMouseShapeInfo->u32Width,
597	pMouseShapeInfo->u32Height,
598	pu8Shape);
599	}
600	else
601	{
602	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
603	pMouseShapeInfo->fVisible,
604	false,
605	0, 0,
606	0, 0,
607	NULL);
608	}
609
610	return rc;
611	}
612
613	static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT pCtx, const VBVAMOUSEPOINTERSHAPE pShape, HGSMISIZE cbShape)
614	{
615	bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
616	bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
617	bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
618
619	HGSMISIZE cbPointerData = 0;
620
621	if (fShape)
622	{
623	cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
624	+ pShape->u32Width * 4 * pShape->u32Height;
625	}
626
627	if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
628	{
629	Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
630	cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
631	return VERR_INVALID_PARAMETER;
632	}
633
634	/* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
635	pCtx->mouseShapeInfo.fSet = true;
636	pCtx->mouseShapeInfo.fVisible = fVisible;
637	pCtx->mouseShapeInfo.fAlpha = fAlpha;
638	if (fShape)
639	{
640	/* Data related to shape. */
641	pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
642	pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
643	pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
644	pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
645
646	/* Reallocate memory buffer if necessary. */
647	if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
648	{
649	RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
650	pCtx->mouseShapeInfo.pu8Shape = NULL;
651	pCtx->mouseShapeInfo.cbShape = 0;
652
653	uint8_t pu8Shape = (uint8_t )RTMemAlloc (cbPointerData);
654	if (pu8Shape)
655	{
656	pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
657	pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
658	}
659	}
660
661	/* Copy shape bitmaps. */
662	if (pCtx->mouseShapeInfo.pu8Shape)
663	{
664	memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
665	pCtx->mouseShapeInfo.cbShape = cbPointerData;
666	}
667	}
668
669	if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
670	{
671	return VERR_NOT_SUPPORTED;
672	}
673
674	int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
675
676	return rc;
677	}
678
679	static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT pCtx, const void pvBuffer)
680	{
681	/* Check which view contains the buffer. */
682	HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
683
684	if (offBuffer != HGSMIOFFSET_VOID)
685	{
686	unsigned uScreenId;
687
688	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
689	{
690	VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
691
692	if ( pView->u32ViewSize > 0
693	&& pView->u32ViewOffset <= offBuffer
694	&& offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
695	{
696	return pView->u32ViewIndex;
697	}
698	}
699	}
700
701	return ~0U;
702	}
703
704	#ifdef DEBUG_sunlover
705	static void dumpctx(const VBVACONTEXT *pCtx)
706	{
707	Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
708
709	uint32_t iView;
710	for (iView = 0; iView < pCtx->cViews; iView++)
711	{
712	const VBVAVIEW *pView = &pCtx->aViews[iView];
713
714	Log((" view %d o 0x%x s 0x%x m 0x%x\n",
715	pView->view.u32ViewIndex,
716	pView->view.u32ViewOffset,
717	pView->view.u32ViewSize,
718	pView->view.u32MaxScreenSize));
719
720	Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
721	pView->screen.u32ViewIndex,
722	pView->screen.i32OriginX,
723	pView->screen.i32OriginY,
724	pView->screen.u32StartOffset,
725	pView->screen.u32LineSize,
726	pView->screen.u32Width,
727	pView->screen.u32Height,
728	pView->screen.u16BitsPerPixel,
729	pView->screen.u16Flags));
730
731	Log((" VBVA o 0x%x p %p\n",
732	pView->u32VBVAOffset,
733	pView->pVBVA));
734
735	Log((" PR cb 0x%x p %p\n",
736	pView->partialRecord.cb,
737	pView->partialRecord.pu8));
738	}
739
740	dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
741	}
742	#endif /* DEBUG_sunlover */
743
744	#define VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC 0x12345678
745	#define VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC 0x9abcdef0
746
747	#ifdef VBOX_WITH_VIDEOHWACCEL
748	static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay)
749	{
750	memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
751	pHdr->cRefs = 1;
752	pHdr->iDisplay = iDisplay;
753	pHdr->rc = VERR_NOT_IMPLEMENTED;
754	pHdr->enmCmd = enmCmd;
755	pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
756	}
757
758	static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd)
759	{
760	VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAlloc(cbCmd + VBOXVHWACMD_HEADSIZE());
761	Assert(pHdr);
762	if (pHdr)
763	vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay);
764
765	return pHdr;
766	}
767
768	DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
769	{
770	uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
771	if(!cRefs)
772	{
773	RTMemFree(pCmd);
774	}
775	}
776
777	DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
778	{
779	ASMAtomicIncU32(&pCmd->cRefs);
780	}
781
782	static unsigned vbvaVHWAHandleCommand (PVGASTATE pVGAState, VBVACONTEXT *pCtx, PVBOXVHWACMD pCmd)
783	{
784	if (pVGAState->pDrv->pfnVHWACommandProcess)
785	pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCmd);
786	#ifdef DEBUG_misha
787	else
788	AssertFailed();
789	#endif
790	return 0;
791	}
792
793	static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
794	{
795	RTSemEventSignal((RTSEMEVENT)pContext);
796	}
797
798	static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
799	{
800	RTSEMEVENT hComplEvent;
801	int rc = RTSemEventCreate(&hComplEvent);
802	AssertRC(rc);
803	if(RT_SUCCESS(rc))
804	{
805	/* ensure the cmd is not deleted until we process it */
806	vbvaVHWAHHCommandRetain (pCmd);
807	VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
808	vbvaVHWAHandleCommand(pVGAState, NULL, pCmd);
809	if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
810	{
811	rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
812	}
813	else
814	{
815	/* the command is completed */
816	}
817
818	AssertRC(rc);
819	if(RT_SUCCESS(rc))
820	{
821	RTSemEventDestroy(hComplEvent);
822	}
823	vbvaVHWAHHCommandRelease(pCmd);
824	}
825	return rc;
826	}
827
828	int vbvaVHWAConstruct (PVGASTATE pVGAState)
829	{
830	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
831	Assert(pCmd);
832	if(pCmd)
833	{
834	uint32_t iDisplay = 0;
835	int rc = VINF_SUCCESS;
836	VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
837
838	do
839	{
840	memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
841
842	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
843	PVM pVM = PDMDevHlpGetVM(pDevIns);
844
845	pBody->pVM = pVM;
846	pBody->pvVRAM = pVGAState->vram_ptrR3;
847	pBody->cbVRAM = pVGAState->vram_size;
848
849	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
850	AssertRC(rc);
851	if(RT_SUCCESS(rc))
852	{
853	rc = pCmd->rc;
854	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
855	if(rc == VERR_NOT_IMPLEMENTED)
856	{
857	/* @todo: set some flag in pVGAState indicating VHWA is not supported */
858	/* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
859	rc = VINF_SUCCESS;
860	}
861
862	if (!RT_SUCCESS(rc))
863	break;
864	}
865	else
866	break;
867
868	++iDisplay;
869	if (iDisplay >= pVGAState->cMonitors)
870	break;
871	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay);
872	} while (true);
873
874	vbvaVHWAHHCommandRelease(pCmd);
875
876	return rc;
877	}
878	return VERR_OUT_OF_RESOURCES;
879	}
880
881	int vbvaVHWAReset (PVGASTATE pVGAState)
882	{
883	/* ensure we have all pending cmds processed and h->g cmds disabled */
884	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0);
885	Assert(pCmd);
886	if(pCmd)
887	{
888	int rc = VINF_SUCCESS;
889	uint32_t iDisplay = 0;
890
891	do
892	{
893	rc =vbvaVHWAHHCommandPost(pVGAState, pCmd);
894	AssertRC(rc);
895	if(RT_SUCCESS(rc))
896	{
897	rc = pCmd->rc;
898	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
899	if (rc == VERR_NOT_IMPLEMENTED)
900	rc = VINF_SUCCESS;
901	}
902
903	if (!RT_SUCCESS(rc))
904	break;
905
906	++iDisplay;
907	if (iDisplay >= pVGAState->cMonitors)
908	break;
909	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay);
910
911	} while (true);
912
913	vbvaVHWAHHCommandRelease(pCmd);
914
915	return rc;
916	}
917	return VERR_OUT_OF_RESOURCES;
918	}
919
920	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPRECB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext);
921	typedef FNVBOXVHWAHHCMDPRECB *PFNVBOXVHWAHHCMDPRECB;
922
923	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPOSTCB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext);
924	typedef FNVBOXVHWAHHCMDPOSTCB *PFNVBOXVHWAHHCMDPOSTCB;
925
926	int vbvaVHWAHHPost(PVGASTATE pVGAState, VBOXVHWACMD pCmd, PFNVBOXVHWAHHCMDPRECB pfnPre, PFNVBOXVHWAHHCMDPOSTCB pfnPost, void pvContext)
927	{
928	const VBOXVHWACMD_TYPE enmType = pCmd->enmCmd;
929	int rc = VINF_SUCCESS;
930	uint32_t iDisplay = 0;
931
932	do
933	{
934	if (!pfnPre \|\| pfnPre(pVGAState, pCmd, iDisplay, pvContext))
935	{
936	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
937	AssertRC(rc);
938	if (pfnPost)
939	{
940	if (!pfnPost(pVGAState, pCmd, iDisplay, rc, pvContext))
941	{
942	rc = VINF_SUCCESS;
943	break;
944	}
945	rc = VINF_SUCCESS;
946	}
947	else if(RT_SUCCESS(rc))
948	{
949	rc = pCmd->rc;
950	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
951	if(rc == VERR_NOT_IMPLEMENTED)
952	{
953	rc = VINF_SUCCESS;
954	}
955	}
956
957	if (!RT_SUCCESS(rc))
958	break;
959	}
960
961	++iDisplay;
962	if (iDisplay >= pVGAState->cMonitors)
963	break;
964	vbvaVHWAHHCommandReinit(pCmd, enmType, (int32_t)iDisplay);
965	} while (true);
966
967	return rc;
968	}
969
970	/* @todo call this also on reset? */
971	int vbvaVHWAEnable (PVGASTATE pVGAState, bool bEnable)
972	{
973	const VBOXVHWACMD_TYPE enmType = bEnable ? VBOXVHWACMD_TYPE_HH_ENABLE : VBOXVHWACMD_TYPE_HH_DISABLE;
974	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState,
975	enmType,
976	0, 0);
977	Assert(pCmd);
978	if(pCmd)
979	{
980	int rc = vbvaVHWAHHPost (pVGAState, pCmd, NULL, NULL, NULL);
981	vbvaVHWAHHCommandRelease(pCmd);
982	return rc;
983	}
984	return VERR_OUT_OF_RESOURCES;
985	}
986
987	int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
988	{
989	/* ensure we have no pending commands */
990	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), false);
991	}
992
993	int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
994	{
995	/* ensure we have no pending commands */
996	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), true);
997	}
998
999	int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1000	{
1001	int rc;
1002	if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1003	{
1004	PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1005	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1006
1007	Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1008	#ifdef VBOX_WITH_WDDM
1009	if (pVGAState->fGuestCaps & VBVACAPS_COMPLETEGCMD_BY_IOREAD)
1010	{
1011	rc = HGSMICompleteGuestCommand(pIns, pCmd, !!(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ));
1012	AssertRC(rc);
1013	}
1014	else
1015	#endif
1016	{
1017	VBVAHOSTCMD *pHostCmd;
1018	int32_t iDisplay = pCmd->iDisplay;
1019
1020	if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1021	{
1022	rc = HGSMIHostCommandAlloc (pIns,
1023	(void**)&pHostCmd,
1024	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1025	HGSMI_CH_VBVA,
1026	VBVAHG_EVENT);
1027	AssertRC(rc);
1028	if(RT_SUCCESS(rc))
1029	{
1030	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1031	pHostCmd->iDstID = pCmd->iDisplay;
1032	pHostCmd->customOpCode = 0;
1033	VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1034	pBody->pEvent = pCmd->GuestVBVAReserved1;
1035	}
1036	}
1037	else
1038	{
1039	HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1040	Assert(offCmd != HGSMIOFFSET_VOID);
1041	if(offCmd != HGSMIOFFSET_VOID)
1042	{
1043	rc = HGSMIHostCommandAlloc (pIns,
1044	(void**)&pHostCmd,
1045	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1046	HGSMI_CH_VBVA,
1047	VBVAHG_DISPLAY_CUSTOM);
1048	AssertRC(rc);
1049	if(RT_SUCCESS(rc))
1050	{
1051	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1052	pHostCmd->iDstID = pCmd->iDisplay;
1053	pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1054	VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1055	pBody->offCmd = offCmd;
1056	}
1057	}
1058	else
1059	{
1060	rc = VERR_INVALID_PARAMETER;
1061	}
1062	}
1063
1064	if(RT_SUCCESS(rc))
1065	{
1066	rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1067	AssertRC(rc);
1068	if(RT_SUCCESS(rc))
1069	{
1070	return rc;
1071	}
1072	HGSMIHostCommandFree (pIns, pHostCmd);
1073	}
1074	}
1075	}
1076	else
1077	{
1078	PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1079	if(pfn)
1080	{
1081	pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1082	}
1083	rc = VINF_SUCCESS;
1084	}
1085	return rc;
1086	}
1087
1088	typedef struct VBOXVBVASAVEDSTATECBDATA
1089	{
1090	PSSMHANDLE pSSM;
1091	int rc;
1092	bool ab2DOn[VBOX_VIDEO_MAX_SCREENS];
1093	} VBOXVBVASAVEDSTATECBDATA, *PVBOXVBVASAVEDSTATECBDATA;
1094
1095	static DECLCALLBACK(bool) vboxVBVASaveStateBeginPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1096	{
1097	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1098	if (RT_FAILURE(pData->rc))
1099	return false;
1100	if (RT_FAILURE(rc))
1101	{
1102	pData->rc = rc;
1103	return false;
1104	}
1105
1106	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1107	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1108	{
1109	pData->rc = VERR_INVALID_PARAMETER;
1110	return false;
1111	}
1112
1113	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1114	if (RT_SUCCESS(pCmd->rc))
1115	{
1116	pData->ab2DOn[iDisplay] = true;
1117	}
1118	else if (pCmd->rc != VERR_NOT_IMPLEMENTED)
1119	{
1120	pData->rc = pCmd->rc;
1121	return false;
1122	}
1123
1124	return true;
1125	}
1126
1127	static DECLCALLBACK(bool) vboxVBVASaveStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1128	{
1129	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1130	if (RT_FAILURE(pData->rc))
1131	return false;
1132
1133	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1134	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1135	{
1136	pData->rc = VERR_INVALID_PARAMETER;
1137	return false;
1138	}
1139
1140	int rc;
1141
1142	if (pData->ab2DOn[iDisplay])
1143	{
1144	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC); AssertRC(rc);
1145	if (RT_FAILURE(rc))
1146	{
1147	pData->rc = rc;
1148	return false;
1149	}
1150	return true;
1151	}
1152
1153	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRC(rc);
1154	if (RT_FAILURE(rc))
1155	{
1156	pData->rc = rc;
1157	return false;
1158	}
1159
1160	return false;
1161	}
1162
1163	static DECLCALLBACK(bool) vboxVBVASaveStateEndPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1164	{
1165	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1166	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1167	if (pData->ab2DOn[iDisplay])
1168	{
1169	return true;
1170	}
1171
1172	return false;
1173	}
1174
1175	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1176	{
1177	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1178	if (RT_FAILURE(pData->rc))
1179	return false;
1180	if (RT_FAILURE(rc))
1181	{
1182	pData->rc = rc;
1183	return false;
1184	}
1185
1186	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1187	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1188	{
1189	pData->rc = VERR_INVALID_PARAMETER;
1190	return false;
1191	}
1192
1193	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1194	if (pCmd->rc == VERR_NOT_IMPLEMENTED)
1195	{
1196	pData->rc = SSMR3SkipToEndOfUnit(pData->pSSM);
1197	AssertRC(pData->rc);
1198	return false;
1199	}
1200	if (RT_FAILURE(pCmd->rc))
1201	{
1202	pData->rc = pCmd->rc;
1203	return false;
1204	}
1205
1206	return true;
1207	}
1208
1209	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1210	{
1211	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1212	if (RT_FAILURE(pData->rc))
1213	return false;
1214
1215	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1216	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1217	{
1218	pData->rc = VERR_INVALID_PARAMETER;
1219	return false;
1220	}
1221
1222	int rc;
1223	uint32_t u32;
1224	rc = SSMR3GetU32(pData->pSSM, &u32); AssertRC(rc);
1225	if (RT_FAILURE(rc))
1226	{
1227	pData->rc = rc;
1228	return false;
1229	}
1230
1231	switch (u32)
1232	{
1233	case VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC:
1234	return true;
1235	case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC:
1236	return false;
1237	default:
1238	pData->rc = VERR_INVALID_STATE;
1239	return false;
1240	}
1241	}
1242	#endif /* #ifdef VBOX_WITH_VIDEOHWACCEL */
1243
1244	int vboxVBVASaveDevStateExec (PVGASTATE pVGAState, PSSMHANDLE pSSM)
1245	{
1246	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1247	int rc = HGSMIHostSaveStateExec (pIns, pSSM);
1248	if (RT_SUCCESS(rc))
1249	{
1250	/* Save VBVACONTEXT. */
1251	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1252
1253	if (!pCtx)
1254	{
1255	AssertFailed();
1256
1257	/* Still write a valid value to the SSM. */
1258	rc = SSMR3PutU32 (pSSM, 0);
1259	AssertRCReturn(rc, rc);
1260	}
1261	else
1262	{
1263	#ifdef DEBUG_sunlover
1264	dumpctx(pCtx);
1265	#endif
1266
1267	rc = SSMR3PutU32 (pSSM, pCtx->cViews);
1268	AssertRCReturn(rc, rc);
1269
1270	uint32_t iView;
1271	for (iView = 0; iView < pCtx->cViews; iView++)
1272	{
1273	VBVAVIEW *pView = &pCtx->aViews[iView];
1274
1275	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
1276	AssertRCReturn(rc, rc);
1277	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
1278	AssertRCReturn(rc, rc);
1279	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
1280	AssertRCReturn(rc, rc);
1281	rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
1282	AssertRCReturn(rc, rc);
1283
1284	rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
1285	AssertRCReturn(rc, rc);
1286	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
1287	AssertRCReturn(rc, rc);
1288	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
1289	AssertRCReturn(rc, rc);
1290	rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
1291	AssertRCReturn(rc, rc);
1292	rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
1293	AssertRCReturn(rc, rc);
1294	rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
1295	AssertRCReturn(rc, rc);
1296	rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
1297	AssertRCReturn(rc, rc);
1298	rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
1299	AssertRCReturn(rc, rc);
1300	rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
1301	AssertRCReturn(rc, rc);
1302
1303	rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
1304	AssertRCReturn(rc, rc);
1305
1306	rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
1307	AssertRCReturn(rc, rc);
1308
1309	if (pView->partialRecord.cb > 0)
1310	{
1311	rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1312	AssertRCReturn(rc, rc);
1313	}
1314	}
1315
1316	/* Save mouse pointer shape information. */
1317	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
1318	AssertRCReturn(rc, rc);
1319	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
1320	AssertRCReturn(rc, rc);
1321	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
1322	AssertRCReturn(rc, rc);
1323	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
1324	AssertRCReturn(rc, rc);
1325	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
1326	AssertRCReturn(rc, rc);
1327	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
1328	AssertRCReturn(rc, rc);
1329	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
1330	AssertRCReturn(rc, rc);
1331	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
1332	AssertRCReturn(rc, rc);
1333	if (pCtx->mouseShapeInfo.cbShape)
1334	{
1335	rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1336	AssertRCReturn(rc, rc);
1337	}
1338
1339	#ifdef VBOX_WITH_WDDM
1340	/* Size of some additional data. For future extensions. */
1341	rc = SSMR3PutU32 (pSSM, 4);
1342	AssertRCReturn(rc, rc);
1343	rc = SSMR3PutU32 (pSSM, pVGAState->fGuestCaps);
1344	AssertRCReturn(rc, rc);
1345	#else
1346	/* Size of some additional data. For future extensions. */
1347	rc = SSMR3PutU32 (pSSM, 0);
1348	AssertRCReturn(rc, rc);
1349	#endif
1350	}
1351	}
1352
1353	return rc;
1354	}
1355
1356	int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1357	{
1358	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1359	int rc;
1360	#ifdef VBOX_WITH_VIDEOHWACCEL
1361	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1362	VhwaData.pSSM = pSSM;
1363	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); /* maximum cmd size */
1364	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd);
1365	Assert(pCmd);
1366	if(pCmd)
1367	{
1368	vbvaVHWAHHPost (pVGAState, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData);
1369	rc = VhwaData.rc;
1370	AssertRC(rc);
1371	if (RT_SUCCESS(rc))
1372	{
1373	#endif
1374	rc = vboxVBVASaveDevStateExec (pVGAState, pSSM);
1375	AssertRC(rc);
1376	#ifdef VBOX_WITH_VIDEOHWACCEL
1377	if (RT_SUCCESS(rc))
1378	{
1379	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM, 0);
1380	VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM *pSave = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM);
1381	pSave->pSSM = pSSM;
1382	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData);
1383	rc = VhwaData.rc;
1384	AssertRC(rc);
1385	if (RT_SUCCESS(rc))
1386	{
1387	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0);
1388	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStateEndPreCb, NULL, &VhwaData);
1389	rc = VhwaData.rc;
1390	AssertRC(rc);
1391	}
1392	}
1393	}
1394
1395	vbvaVHWAHHCommandRelease(pCmd);
1396	}
1397	else
1398	rc = VERR_OUT_OF_RESOURCES;
1399	#else
1400	if (RT_SUCCESS(rc))
1401	{
1402	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1403	{
1404	rc = SSMR3PutU32 (pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC);
1405	AssertRCReturn(rc, rc);
1406	}
1407	}
1408	#endif
1409	return rc;
1410	}
1411
1412	int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
1413	{
1414	if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
1415	{
1416	/* Nothing was saved. */
1417	return VINF_SUCCESS;
1418	}
1419
1420	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1421	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1422	int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
1423	if (RT_SUCCESS(rc))
1424	{
1425	/* Load VBVACONTEXT. */
1426	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1427
1428	if (!pCtx)
1429	{
1430	/* This should not happen. */
1431	AssertFailed();
1432	rc = VERR_INVALID_PARAMETER;
1433	}
1434	else
1435	{
1436	uint32_t cViews = 0;
1437	rc = SSMR3GetU32 (pSSM, &cViews);
1438	AssertRCReturn(rc, rc);
1439
1440	uint32_t iView;
1441	for (iView = 0; iView < cViews; iView++)
1442	{
1443	VBVAVIEW *pView = &pCtx->aViews[iView];
1444
1445	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
1446	AssertRCReturn(rc, rc);
1447	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
1448	AssertRCReturn(rc, rc);
1449	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
1450	AssertRCReturn(rc, rc);
1451	rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
1452	AssertRCReturn(rc, rc);
1453
1454	rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
1455	AssertRCReturn(rc, rc);
1456	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
1457	AssertRCReturn(rc, rc);
1458	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
1459	AssertRCReturn(rc, rc);
1460	rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
1461	AssertRCReturn(rc, rc);
1462	rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
1463	AssertRCReturn(rc, rc);
1464	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
1465	AssertRCReturn(rc, rc);
1466	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
1467	AssertRCReturn(rc, rc);
1468	rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
1469	AssertRCReturn(rc, rc);
1470	rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
1471	AssertRCReturn(rc, rc);
1472
1473	rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
1474	AssertRCReturn(rc, rc);
1475
1476	rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
1477	AssertRCReturn(rc, rc);
1478
1479	if (pView->partialRecord.cb == 0)
1480	{
1481	pView->partialRecord.pu8 = NULL;
1482	}
1483	else
1484	{
1485	Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
1486
1487	uint8_t pu8 = (uint8_t )RTMemAlloc (pView->partialRecord.cb);
1488
1489	if (!pu8)
1490	{
1491	return VERR_NO_MEMORY;
1492	}
1493
1494	pView->partialRecord.pu8 = pu8;
1495
1496	rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1497	AssertRCReturn(rc, rc);
1498	}
1499
1500	if ( pView->u32VBVAOffset == HGSMIOFFSET_VOID
1501	\|\| pView->screen.u32LineSize == 0) /* Earlier broken saved states. */
1502	{
1503	pView->pVBVA = NULL;
1504	}
1505	else
1506	{
1507	pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
1508	}
1509	}
1510
1511	if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
1512	{
1513	/* Read mouse pointer shape information. */
1514	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
1515	AssertRCReturn(rc, rc);
1516	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
1517	AssertRCReturn(rc, rc);
1518	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
1519	AssertRCReturn(rc, rc);
1520	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
1521	AssertRCReturn(rc, rc);
1522	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
1523	AssertRCReturn(rc, rc);
1524	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
1525	AssertRCReturn(rc, rc);
1526	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
1527	AssertRCReturn(rc, rc);
1528	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
1529	AssertRCReturn(rc, rc);
1530	if (pCtx->mouseShapeInfo.cbShape)
1531	{
1532	pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
1533	if (pCtx->mouseShapeInfo.pu8Shape == NULL)
1534	{
1535	return VERR_NO_MEMORY;
1536	}
1537	pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
1538	rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1539	AssertRCReturn(rc, rc);
1540	}
1541	else
1542	{
1543	pCtx->mouseShapeInfo.pu8Shape = NULL;
1544	}
1545
1546	/* Size of some additional data. For future extensions. */
1547	uint32_t cbExtra = 0;
1548	rc = SSMR3GetU32 (pSSM, &cbExtra);
1549	AssertRCReturn(rc, rc);
1550	#ifdef VBOX_WITH_WDDM
1551	if (cbExtra >= 4)
1552	{
1553	rc = SSMR3GetU32 (pSSM, &pVGAState->fGuestCaps);
1554	AssertRCReturn(rc, rc);
1555	cbExtra -= 4;
1556	}
1557	#endif
1558	if (cbExtra > 0)
1559	{
1560	rc = SSMR3Skip(pSSM, cbExtra);
1561	AssertRCReturn(rc, rc);
1562	}
1563	}
1564
1565	pCtx->cViews = iView;
1566	LogFlowFunc(("%d views loaded\n", pCtx->cViews));
1567
1568	if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM)
1569	{
1570	#ifdef VBOX_WITH_VIDEOHWACCEL
1571	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */
1572	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd);
1573	Assert(pCmd);
1574	if(pCmd)
1575	{
1576	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1577	VhwaData.pSSM = pSSM;
1578	VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM);
1579	pLoad->pSSM = pSSM;
1580	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData);
1581	rc = VhwaData.rc;
1582	AssertRC(rc);
1583	vbvaVHWAHHCommandRelease(pCmd);
1584	}
1585	else
1586	{
1587	rc = VERR_OUT_OF_RESOURCES;
1588	}
1589	#else
1590	rc = SSMR3SkipToEndOfUnit(pSSM);
1591	AssertRCReturn(rc, rc);
1592	#endif
1593	}
1594
1595	#ifdef DEBUG_sunlover
1596	dumpctx(pCtx);
1597	#endif
1598	}
1599	}
1600
1601	return rc;
1602	}
1603
1604	int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1605	{
1606	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1607	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
1608
1609	if (pCtx)
1610	{
1611	uint32_t iView;
1612	for (iView = 0; iView < pCtx->cViews; iView++)
1613	{
1614	VBVAVIEW *pView = &pCtx->aViews[iView];
1615
1616	if (pView->pVBVA)
1617	{
1618	vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset, true /* fRestored */);
1619	vbvaResize (pVGAState, pView, &pView->screen);
1620	}
1621	}
1622
1623	if (pCtx->mouseShapeInfo.fSet)
1624	{
1625	vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1626	}
1627	}
1628
1629	return VINF_SUCCESS;
1630	}
1631
1632	void VBVARaiseIrq (PVGASTATE pVGAState, uint32_t fFlags)
1633	{
1634	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1635	PDMCritSectEnter(&pVGAState->lock, VERR_SEM_BUSY);
1636	HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ \| fFlags);
1637	PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1638	PDMCritSectLeave(&pVGAState->lock);
1639	}
1640
1641	/*
1642	*
1643	* New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
1644	*
1645	* VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
1646	* Read Write
1647	* Host port 0x3b0 to process completed
1648	* Guest port 0x3d0 control value? to process
1649	*
1650	*/
1651
1652	static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
1653	{
1654	#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_VDMA) \|\| defined(VBOX_WITH_WDDM))
1655	PVGASTATE pVGAState = (PVGASTATE)pvCallback;
1656	VBVARaiseIrq (pVGAState, 0);
1657	#else
1658	NOREF(pvCallback);
1659	/* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
1660	#endif
1661	}
1662
1663	/* The guest submitted a buffer. @todo Verify all guest data. */
1664	static DECLCALLBACK(int) vbvaChannelHandler (void pvHandler, uint16_t u16ChannelInfo, void pvBuffer, HGSMISIZE cbBuffer)
1665	{
1666	int rc = VINF_SUCCESS;
1667
1668	LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
1669	pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
1670
1671	PVGASTATE pVGAState = (PVGASTATE)pvHandler;
1672	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1673	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1674
1675	switch (u16ChannelInfo)
1676	{
1677	#ifdef VBOX_WITH_VDMA
1678	case VBVA_VDMA_CMD:
1679	{
1680	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMACBUF_DR))
1681	{
1682	rc = VERR_INVALID_PARAMETER;
1683	break;
1684	}
1685	PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1686	vboxVDMACommand(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
1687	rc = VINF_SUCCESS;
1688	break;
1689	}
1690	case VBVA_VDMA_CTL:
1691	{
1692	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMA_CTL))
1693	{
1694	rc = VERR_INVALID_PARAMETER;
1695	break;
1696	}
1697	PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1698	vboxVDMAControl(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
1699	rc = VINF_SUCCESS;
1700	break;
1701	}
1702	#endif
1703	case VBVA_QUERY_CONF32:
1704	{
1705	if (cbBuffer < sizeof (VBVACONF32))
1706	{
1707	rc = VERR_INVALID_PARAMETER;
1708	break;
1709	}
1710
1711	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
1712	LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
1713	pConf32->u32Index, pConf32->u32Value));
1714
1715	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1716	{
1717	pConf32->u32Value = pCtx->cViews;
1718	}
1719	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1720	{
1721	/* @todo a value calculated from the vram size */
1722	pConf32->u32Value = 64*_1K;
1723	}
1724	else
1725	{
1726	Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
1727	pConf32->u32Index));
1728	rc = VERR_INVALID_PARAMETER;
1729	}
1730	} break;
1731
1732	case VBVA_SET_CONF32:
1733	{
1734	if (cbBuffer < sizeof (VBVACONF32))
1735	{
1736	rc = VERR_INVALID_PARAMETER;
1737	break;
1738	}
1739
1740	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
1741	LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
1742	pConf32->u32Index, pConf32->u32Value));
1743
1744	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1745	{
1746	/* do nothing. this is a const. */
1747	}
1748	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1749	{
1750	/* do nothing. this is a const. */
1751	}
1752	else
1753	{
1754	Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
1755	pConf32->u32Index));
1756	rc = VERR_INVALID_PARAMETER;
1757	}
1758	} break;
1759
1760	case VBVA_INFO_VIEW:
1761	{
1762	if (cbBuffer < sizeof (VBVAINFOVIEW))
1763	{
1764	rc = VERR_INVALID_PARAMETER;
1765	break;
1766	}
1767
1768	/* Guest submits an array of VBVAINFOVIEW structures. */
1769	VBVAINFOVIEW pView = (VBVAINFOVIEW )pvBuffer;
1770
1771	for (;
1772	cbBuffer >= sizeof (VBVAINFOVIEW);
1773	pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
1774	{
1775	LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1776	pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1777
1778	/* @todo verify view data. */
1779	if (pView->u32ViewIndex >= pCtx->cViews)
1780	{
1781	Log(("View index too large %d!!!\n",
1782	pView->u32ViewIndex));
1783	rc = VERR_INVALID_PARAMETER;
1784	break;
1785	}
1786
1787	pCtx->aViews[pView->u32ViewIndex].view = *pView;
1788	}
1789	} break;
1790
1791	case VBVA_INFO_HEAP:
1792	{
1793	if (cbBuffer < sizeof (VBVAINFOHEAP))
1794	{
1795	rc = VERR_INVALID_PARAMETER;
1796	break;
1797	}
1798
1799	VBVAINFOHEAP pHeap = (VBVAINFOHEAP )pvBuffer;
1800	LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
1801	pHeap->u32HeapOffset, pHeap->u32HeapSize));
1802
1803	rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
1804	} break;
1805
1806	case VBVA_FLUSH:
1807	{
1808	if (cbBuffer < sizeof (VBVAFLUSH))
1809	{
1810	rc = VERR_INVALID_PARAMETER;
1811	break;
1812	}
1813
1814	VBVAFLUSH pFlush = (VBVAFLUSH )pvBuffer;
1815	LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
1816	pFlush->u32Reserved));
1817
1818	rc = vbvaFlush (pVGAState, pCtx);
1819	} break;
1820
1821	case VBVA_INFO_SCREEN:
1822	{
1823	if (cbBuffer < sizeof (VBVAINFOSCREEN))
1824	{
1825	rc = VERR_INVALID_PARAMETER;
1826	break;
1827	}
1828
1829	VBVAINFOSCREEN pScreen = (VBVAINFOSCREEN )pvBuffer;
1830	VBVAINFOVIEW *pView = &pCtx->aViews[pScreen->u32ViewIndex].view;
1831	/* Calculate the offset of the end of the screen so we can make
1832	* sure it is inside the view. I assume that screen rollover is not
1833	* implemented. */
1834	int64_t offEnd = (int64_t)pScreen->u32Height * pScreen->u32LineSize
1835	+ pScreen->u32Width + pScreen->u32StartOffset;
1836	LogRelFlowFunc(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1837	pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1838	pScreen->u32Width, pScreen->u32Height,
1839	pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1840
1841	if ( pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews)
1842	&& pScreen->u16BitsPerPixel <= 32
1843	&& pScreen->u32Width <= UINT16_MAX
1844	&& pScreen->u32Height <= UINT16_MAX
1845	&& pScreen->u32LineSize <= UINT16_MAX * 4
1846	&& offEnd < pView->u32MaxScreenSize)
1847	{
1848	vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1849	}
1850	else
1851	{
1852	LogRelFlow(("VBVA_INFO_SCREEN [%lu]: bad data: %lux%lu, line 0x%lx, BPP %u, start offset %lu, max screen size %lu\n",
1853	(unsigned long)pScreen->u32ViewIndex,
1854	(unsigned long)pScreen->u32Width,
1855	(unsigned long)pScreen->u32Height,
1856	(unsigned long)pScreen->u32LineSize,
1857	(unsigned long)pScreen->u16BitsPerPixel,
1858	(unsigned long)pScreen->u32StartOffset,
1859	(unsigned long)pView->u32MaxScreenSize));
1860	rc = VERR_INVALID_PARAMETER;
1861	}
1862	} break;
1863
1864	case VBVA_ENABLE:
1865	{
1866	if (cbBuffer < sizeof (VBVAENABLE))
1867	{
1868	rc = VERR_INVALID_PARAMETER;
1869	break;
1870	}
1871
1872	VBVAENABLE pEnable = (VBVAENABLE )pvBuffer;
1873	unsigned uScreenId;
1874	if (pEnable->u32Flags & VBVA_F_EXTENDED)
1875	{
1876	if (cbBuffer < sizeof (VBVAENABLE_EX))
1877	{
1878	rc = VERR_INVALID_PARAMETER;
1879	break;
1880	}
1881
1882	VBVAENABLE_EX pEnableEx = (VBVAENABLE_EX )pvBuffer;
1883	uScreenId = pEnableEx->u32ScreenId;
1884	}
1885	else
1886	{
1887	uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
1888	}
1889
1890	if (uScreenId == ~0U)
1891	{
1892	rc = VERR_INVALID_PARAMETER;
1893	break;
1894	}
1895
1896	LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
1897	uScreenId, pEnable->u32Flags, pEnable->u32Offset));
1898
1899	if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_ENABLE)
1900	{
1901	/* Guest reported offset relative to view. */
1902	uint32_t u32Offset = pEnable->u32Offset;
1903	if (!(pEnable->u32Flags & VBVA_F_ABSOFFSET))
1904	{
1905	u32Offset += pCtx->aViews[uScreenId].view.u32ViewOffset;
1906	}
1907
1908	VBVABUFFER pVBVA = (VBVABUFFER )HGSMIOffsetToPointerHost (pIns, u32Offset);
1909
1910	if (pVBVA)
1911	{
1912	/* Process any pending orders and empty the VBVA ring buffer. */
1913	vbvaFlush (pVGAState, pCtx);
1914
1915	rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset, false /* fRestored */);
1916	}
1917	else
1918	{
1919	Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
1920	pEnable->u32Offset));
1921	rc = VERR_INVALID_PARAMETER;
1922	}
1923	}
1924	else if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_DISABLE)
1925	{
1926	rc = vbvaDisable (uScreenId, pVGAState, pCtx);
1927	}
1928	else
1929	{
1930	Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
1931	pEnable->u32Flags));
1932	rc = VERR_INVALID_PARAMETER;
1933	}
1934
1935	pEnable->i32Result = rc;
1936	} break;
1937
1938	case VBVA_MOUSE_POINTER_SHAPE:
1939	{
1940	if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
1941	{
1942	rc = VERR_INVALID_PARAMETER;
1943	break;
1944	}
1945
1946	VBVAMOUSEPOINTERSHAPE pShape = (VBVAMOUSEPOINTERSHAPE )pvBuffer;
1947
1948	LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
1949	pShape->i32Result,
1950	pShape->fu32Flags,
1951	pShape->u32HotX,
1952	pShape->u32HotY,
1953	pShape->u32Width,
1954	pShape->u32Height));
1955
1956	rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
1957
1958	pShape->i32Result = rc;
1959	} break;
1960
1961
1962	#ifdef VBOX_WITH_VIDEOHWACCEL
1963	case VBVA_VHWA_CMD:
1964	{
1965	rc = vbvaVHWAHandleCommand (pVGAState, pCtx, (PVBOXVHWACMD)pvBuffer);
1966	} break;
1967	#endif
1968
1969	#ifdef VBOX_WITH_WDDM
1970	case VBVA_INFO_CAPS:
1971	{
1972	if (cbBuffer < sizeof (VBVACAPS))
1973	{
1974	rc = VERR_INVALID_PARAMETER;
1975	break;
1976	}
1977
1978	VBVACAPS pCaps = (VBVACAPS)pvBuffer;
1979	pVGAState->fGuestCaps = pCaps->fCaps;
1980	pCaps->rc = VINF_SUCCESS;
1981	} break;
1982	#endif
1983	case VBVA_SCANLINE_CFG:
1984	{
1985	if (cbBuffer < sizeof (VBVASCANLINECFG))
1986	{
1987	rc = VERR_INVALID_PARAMETER;
1988	break;
1989	}
1990
1991	VBVASCANLINECFG pCfg = (VBVASCANLINECFG)pvBuffer;
1992	pVGAState->fScanLineCfg = pCfg->fFlags;
1993	pCfg->rc = VINF_SUCCESS;
1994	} break;
1995	default:
1996	Log(("Unsupported VBVA guest command %d!!!\n",
1997	u16ChannelInfo));
1998	break;
1999	}
2000
2001	return rc;
2002	}
2003
2004	void VBVAReset (PVGASTATE pVGAState)
2005	{
2006	if (!pVGAState \|\| !pVGAState->pHGSMI)
2007	{
2008	return;
2009	}
2010
2011	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2012
2013	#ifdef VBOX_WITH_VIDEOHWACCEL
2014	vbvaVHWAReset (pVGAState);
2015	#endif
2016
2017	uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
2018	if(HgFlags & HGSMIHOSTFLAGS_IRQ)
2019	{
2020	/* this means the IRQ is LEVEL_HIGH, need to reset it */
2021	PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
2022	}
2023
2024	if (pCtx)
2025	{
2026	vbvaFlush (pVGAState, pCtx);
2027
2028	unsigned uScreenId;
2029
2030	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
2031	{
2032	vbvaDisable (uScreenId, pVGAState, pCtx);
2033	}
2034
2035	pCtx->mouseShapeInfo.fSet = false;
2036	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2037	pCtx->mouseShapeInfo.pu8Shape = NULL;
2038	pCtx->mouseShapeInfo.cbAllocated = 0;
2039	pCtx->mouseShapeInfo.cbShape = 0;
2040	}
2041
2042	}
2043
2044	int VBVAUpdateDisplay (PVGASTATE pVGAState)
2045	{
2046	int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
2047
2048	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2049
2050	if (pCtx)
2051	{
2052	rc = vbvaFlush (pVGAState, pCtx);
2053
2054	if (RT_SUCCESS (rc))
2055	{
2056	if (!pCtx->aViews[0].pVBVA)
2057	{
2058	/* VBVA is not enabled for the first view, so VGA device must do updates. */
2059	rc = VERR_NOT_SUPPORTED;
2060	}
2061	}
2062	}
2063
2064	return rc;
2065	}
2066
2067	static HGSMICHANNELHANDLER sOldChannelHandler;
2068
2069	int VBVAInit (PVGASTATE pVGAState)
2070	{
2071	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
2072
2073	PVM pVM = PDMDevHlpGetVM(pDevIns);
2074
2075	int rc = HGSMICreate (&pVGAState->pHGSMI,
2076	pVM,
2077	"VBVA",
2078	0,
2079	pVGAState->vram_ptrR3,
2080	pVGAState->vram_size,
2081	vbvaNotifyGuest,
2082	pVGAState,
2083	sizeof (VBVACONTEXT));
2084
2085	if (RT_SUCCESS (rc))
2086	{
2087	rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
2088	HGSMI_CH_VBVA,
2089	vbvaChannelHandler,
2090	pVGAState,
2091	&sOldChannelHandler);
2092	if (RT_SUCCESS (rc))
2093	{
2094	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2095	pCtx->cViews = pVGAState->cMonitors;
2096	}
2097	}
2098
2099	return rc;
2100
2101	}
2102
2103	void VBVADestroy (PVGASTATE pVGAState)
2104	{
2105	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2106
2107	if (pCtx)
2108	{
2109	pCtx->mouseShapeInfo.fSet = false;
2110	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2111	pCtx->mouseShapeInfo.pu8Shape = NULL;
2112	pCtx->mouseShapeInfo.cbAllocated = 0;
2113	pCtx->mouseShapeInfo.cbShape = 0;
2114	}
2115
2116	HGSMIDestroy (pVGAState->pHGSMI);
2117	pVGAState->pHGSMI = NULL;
2118	}

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 44000

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