DevVGA_VBVA.cpp@ 40894

Last change on this file since 40894 was 39887, checked in by vboxsync, 13 years ago
DevVGA_VBVA: fixed guest SMP unsafe code. Fixed a case when loaded saved state data was incorrectly discarded.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 66.8 KB

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

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 40894

Download in other formats: