DevVGA_VBVA.cpp@ 39855

Last change on this file since 39855 was 39603, checked in by vboxsync, 13 years ago
crHgsmi: cleanup
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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	VBVARECORD *pRecord = &pVBVA->aRecords[indexRecordFirst];
176
177	LOGVBVABUFFER(("cbRecord = 0x%08X\n", pRecord->cbRecord));
178
179	uint32_t cbRecord = pRecord->cbRecord & ~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, pRecord->cbRecord, 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 (!(pRecord->cbRecord & 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 (pRecord->cbRecord & 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, pRecord->cbRecord, 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)
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	pCtx->aViews[uScreenId].partialRecord.pu8 = NULL;
495	pCtx->aViews[uScreenId].partialRecord.cb = 0;
496
497	pCtx->aViews[uScreenId].pVBVA = pVBVA;
498	pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset;
499	}
500
501	return rc;
502	}
503
504	static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx)
505	{
506	/* Process any pending orders and empty the VBVA ring buffer. */
507	vbvaFlush (pVGAState, pCtx);
508
509	VBVAVIEW *pView = &pCtx->aViews[uScreenId];
510
511	if (pView->pVBVA)
512	{
513	pView->pVBVA->hostFlags.u32HostEvents = 0;
514	pView->pVBVA->hostFlags.u32SupportedOrders = 0;
515
516	pView->partialRecord.pu8 = NULL;
517	pView->partialRecord.cb = 0;
518
519	pView->pVBVA = NULL;
520	pView->u32VBVAOffset = HGSMIOFFSET_VOID;
521	}
522
523	pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
524	return VINF_SUCCESS;
525	}
526
527	bool VBVAIsEnabled(PVGASTATE pVGAState)
528	{
529	PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI;
530	if (pHGSMI)
531	{
532	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pHGSMI);
533	if (pCtx)
534	{
535	if (pCtx->cViews)
536	{
537	VBVAVIEW * pView = &pCtx->aViews[0];
538	if (pView->pVBVA)
539	return true;
540	}
541	}
542	}
543	return false;
544	}
545
546	#ifdef DEBUG_sunlover
547	void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
548	{
549	LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
550	pMouseShapeInfo->fSet,
551	pMouseShapeInfo->fVisible,
552	pMouseShapeInfo->fAlpha,
553	pMouseShapeInfo->u32HotX,
554	pMouseShapeInfo->u32HotY,
555	pMouseShapeInfo->u32Width,
556	pMouseShapeInfo->u32Height,
557	pMouseShapeInfo->pu8Shape,
558	pMouseShapeInfo->cbShape,
559	pMouseShapeInfo->cbAllocated
560	));
561	}
562	#endif
563
564	static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO pMouseShapeInfo, bool fShape, const uint8_t pu8Shape)
565	{
566	int rc;
567	LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
568	pVGAState, pMouseShapeInfo, fShape, pu8Shape));
569	#ifdef DEBUG_sunlover
570	dumpMouseShapeInfo(pMouseShapeInfo);
571	#endif
572
573	if (fShape && pu8Shape != NULL)
574	{
575	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
576	pMouseShapeInfo->fVisible,
577	pMouseShapeInfo->fAlpha,
578	pMouseShapeInfo->u32HotX,
579	pMouseShapeInfo->u32HotY,
580	pMouseShapeInfo->u32Width,
581	pMouseShapeInfo->u32Height,
582	pu8Shape);
583	}
584	else
585	{
586	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
587	pMouseShapeInfo->fVisible,
588	false,
589	0, 0,
590	0, 0,
591	NULL);
592	}
593
594	return rc;
595	}
596
597	static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT pCtx, const VBVAMOUSEPOINTERSHAPE pShape, HGSMISIZE cbShape)
598	{
599	bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
600	bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
601	bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
602
603	HGSMISIZE cbPointerData = 0;
604
605	if (fShape)
606	{
607	cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
608	+ pShape->u32Width * 4 * pShape->u32Height;
609	}
610
611	if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
612	{
613	Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
614	cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
615	return VERR_INVALID_PARAMETER;
616	}
617
618	/* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
619	pCtx->mouseShapeInfo.fSet = true;
620	pCtx->mouseShapeInfo.fVisible = fVisible;
621	pCtx->mouseShapeInfo.fAlpha = fAlpha;
622	if (fShape)
623	{
624	/* Data related to shape. */
625	pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
626	pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
627	pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
628	pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
629
630	/* Reallocate memory buffer if necessary. */
631	if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
632	{
633	RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
634	pCtx->mouseShapeInfo.pu8Shape = NULL;
635	pCtx->mouseShapeInfo.cbShape = 0;
636
637	uint8_t pu8Shape = (uint8_t )RTMemAlloc (cbPointerData);
638	if (pu8Shape)
639	{
640	pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
641	pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
642	}
643	}
644
645	/* Copy shape bitmaps. */
646	if (pCtx->mouseShapeInfo.pu8Shape)
647	{
648	memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
649	pCtx->mouseShapeInfo.cbShape = cbPointerData;
650	}
651	}
652
653	if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
654	{
655	return VERR_NOT_SUPPORTED;
656	}
657
658	int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
659
660	return rc;
661	}
662
663	static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT pCtx, const void pvBuffer)
664	{
665	/* Check which view contains the buffer. */
666	HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
667
668	if (offBuffer != HGSMIOFFSET_VOID)
669	{
670	unsigned uScreenId;
671
672	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
673	{
674	VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
675
676	if ( pView->u32ViewSize > 0
677	&& pView->u32ViewOffset <= offBuffer
678	&& offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
679	{
680	return pView->u32ViewIndex;
681	}
682	}
683	}
684
685	return ~0U;
686	}
687
688	#ifdef DEBUG_sunlover
689	static void dumpctx(const VBVACONTEXT *pCtx)
690	{
691	Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
692
693	uint32_t iView;
694	for (iView = 0; iView < pCtx->cViews; iView++)
695	{
696	const VBVAVIEW *pView = &pCtx->aViews[iView];
697
698	Log((" view %d o 0x%x s 0x%x m 0x%x\n",
699	pView->view.u32ViewIndex,
700	pView->view.u32ViewOffset,
701	pView->view.u32ViewSize,
702	pView->view.u32MaxScreenSize));
703
704	Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
705	pView->screen.u32ViewIndex,
706	pView->screen.i32OriginX,
707	pView->screen.i32OriginY,
708	pView->screen.u32StartOffset,
709	pView->screen.u32LineSize,
710	pView->screen.u32Width,
711	pView->screen.u32Height,
712	pView->screen.u16BitsPerPixel,
713	pView->screen.u16Flags));
714
715	Log((" VBVA o 0x%x p %p\n",
716	pView->u32VBVAOffset,
717	pView->pVBVA));
718
719	Log((" PR cb 0x%x p %p\n",
720	pView->partialRecord.cb,
721	pView->partialRecord.pu8));
722	}
723
724	dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
725	}
726	#endif /* DEBUG_sunlover */
727
728	#define VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC 0x12345678
729	#define VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC 0x9abcdef0
730
731	#ifdef VBOX_WITH_VIDEOHWACCEL
732	static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay)
733	{
734	memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
735	pHdr->cRefs = 1;
736	pHdr->iDisplay = iDisplay;
737	pHdr->rc = VERR_NOT_IMPLEMENTED;
738	pHdr->enmCmd = enmCmd;
739	pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
740	}
741
742	static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd)
743	{
744	VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAlloc(cbCmd + VBOXVHWACMD_HEADSIZE());
745	Assert(pHdr);
746	if (pHdr)
747	vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay);
748
749	return pHdr;
750	}
751
752	DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
753	{
754	uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
755	if(!cRefs)
756	{
757	RTMemFree(pCmd);
758	}
759	}
760
761	DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
762	{
763	ASMAtomicIncU32(&pCmd->cRefs);
764	}
765
766	static unsigned vbvaVHWAHandleCommand (PVGASTATE pVGAState, VBVACONTEXT *pCtx, PVBOXVHWACMD pCmd)
767	{
768	if (pVGAState->pDrv->pfnVHWACommandProcess)
769	pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCmd);
770	#ifdef DEBUG_misha
771	else
772	AssertFailed();
773	#endif
774	return 0;
775	}
776
777	static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
778	{
779	RTSemEventSignal((RTSEMEVENT)pContext);
780	}
781
782	static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
783	{
784	RTSEMEVENT hComplEvent;
785	int rc = RTSemEventCreate(&hComplEvent);
786	AssertRC(rc);
787	if(RT_SUCCESS(rc))
788	{
789	/* ensure the cmd is not deleted until we process it */
790	vbvaVHWAHHCommandRetain (pCmd);
791	VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
792	vbvaVHWAHandleCommand(pVGAState, NULL, pCmd);
793	if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
794	{
795	rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
796	}
797	else
798	{
799	/* the command is completed */
800	}
801
802	AssertRC(rc);
803	if(RT_SUCCESS(rc))
804	{
805	RTSemEventDestroy(hComplEvent);
806	}
807	vbvaVHWAHHCommandRelease(pCmd);
808	}
809	return rc;
810	}
811
812	int vbvaVHWAConstruct (PVGASTATE pVGAState)
813	{
814	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
815	Assert(pCmd);
816	if(pCmd)
817	{
818	uint32_t iDisplay = 0;
819	int rc = VINF_SUCCESS;
820	VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
821
822	do
823	{
824	memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
825
826	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
827	PVM pVM = PDMDevHlpGetVM(pDevIns);
828
829	pBody->pVM = pVM;
830	pBody->pvVRAM = pVGAState->vram_ptrR3;
831	pBody->cbVRAM = pVGAState->vram_size;
832
833	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
834	AssertRC(rc);
835	if(RT_SUCCESS(rc))
836	{
837	rc = pCmd->rc;
838	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
839	if(rc == VERR_NOT_IMPLEMENTED)
840	{
841	/* @todo: set some flag in pVGAState indicating VHWA is not supported */
842	/* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
843	rc = VINF_SUCCESS;
844	}
845
846	if (!RT_SUCCESS(rc))
847	break;
848	}
849	else
850	break;
851
852	++iDisplay;
853	if (iDisplay >= pVGAState->cMonitors)
854	break;
855	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay);
856	} while (true);
857
858	vbvaVHWAHHCommandRelease(pCmd);
859
860	return rc;
861	}
862	return VERR_OUT_OF_RESOURCES;
863	}
864
865	int vbvaVHWAReset (PVGASTATE pVGAState)
866	{
867	/* ensure we have all pending cmds processed and h->g cmds disabled */
868	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0);
869	Assert(pCmd);
870	if(pCmd)
871	{
872	int rc = VINF_SUCCESS;
873	uint32_t iDisplay = 0;
874
875	do
876	{
877	rc =vbvaVHWAHHCommandPost(pVGAState, pCmd);
878	AssertRC(rc);
879	if(RT_SUCCESS(rc))
880	{
881	rc = pCmd->rc;
882	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
883	if (rc == VERR_NOT_IMPLEMENTED)
884	rc = VINF_SUCCESS;
885	}
886
887	if (!RT_SUCCESS(rc))
888	break;
889
890	++iDisplay;
891	if (iDisplay >= pVGAState->cMonitors)
892	break;
893	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay);
894
895	} while (true);
896
897	vbvaVHWAHHCommandRelease(pCmd);
898
899	return rc;
900	}
901	return VERR_OUT_OF_RESOURCES;
902	}
903
904	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPRECB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext);
905	typedef FNVBOXVHWAHHCMDPRECB *PFNVBOXVHWAHHCMDPRECB;
906
907	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPOSTCB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext);
908	typedef FNVBOXVHWAHHCMDPOSTCB *PFNVBOXVHWAHHCMDPOSTCB;
909
910	int vbvaVHWAHHPost(PVGASTATE pVGAState, VBOXVHWACMD pCmd, PFNVBOXVHWAHHCMDPRECB pfnPre, PFNVBOXVHWAHHCMDPOSTCB pfnPost, void pvContext)
911	{
912	const VBOXVHWACMD_TYPE enmType = pCmd->enmCmd;
913	int rc = VINF_SUCCESS;
914	uint32_t iDisplay = 0;
915
916	do
917	{
918	if (!pfnPre \|\| pfnPre(pVGAState, pCmd, iDisplay, pvContext))
919	{
920	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
921	AssertRC(rc);
922	if (pfnPost)
923	{
924	if (!pfnPost(pVGAState, pCmd, iDisplay, rc, pvContext))
925	{
926	rc = VINF_SUCCESS;
927	break;
928	}
929	rc = VINF_SUCCESS;
930	}
931	else if(RT_SUCCESS(rc))
932	{
933	rc = pCmd->rc;
934	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
935	if(rc == VERR_NOT_IMPLEMENTED)
936	{
937	rc = VINF_SUCCESS;
938	}
939	}
940
941	if (!RT_SUCCESS(rc))
942	break;
943	}
944
945	++iDisplay;
946	if (iDisplay >= pVGAState->cMonitors)
947	break;
948	vbvaVHWAHHCommandReinit(pCmd, enmType, (int32_t)iDisplay);
949	} while (true);
950
951	return rc;
952	}
953
954	/* @todo call this also on reset? */
955	int vbvaVHWAEnable (PVGASTATE pVGAState, bool bEnable)
956	{
957	const VBOXVHWACMD_TYPE enmType = bEnable ? VBOXVHWACMD_TYPE_HH_ENABLE : VBOXVHWACMD_TYPE_HH_DISABLE;
958	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState,
959	enmType,
960	0, 0);
961	Assert(pCmd);
962	if(pCmd)
963	{
964	int rc = vbvaVHWAHHPost (pVGAState, pCmd, NULL, NULL, NULL);
965	vbvaVHWAHHCommandRelease(pCmd);
966	return rc;
967	}
968	return VERR_OUT_OF_RESOURCES;
969	}
970
971	int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
972	{
973	/* ensure we have no pending commands */
974	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), false);
975	}
976
977	int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
978	{
979	/* ensure we have no pending commands */
980	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), true);
981	}
982
983	int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
984	{
985	int rc;
986	if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
987	{
988	PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
989	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
990
991	Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
992	#ifdef VBOX_WITH_WDDM
993	if (pVGAState->fGuestCaps & VBVACAPS_COMPLETEGCMD_BY_IOREAD)
994	{
995	rc = HGSMICompleteGuestCommand(pIns, pCmd, !!(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ));
996	AssertRC(rc);
997	}
998	else
999	#endif
1000	{
1001	VBVAHOSTCMD *pHostCmd;
1002	int32_t iDisplay = pCmd->iDisplay;
1003
1004	if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1005	{
1006	rc = HGSMIHostCommandAlloc (pIns,
1007	(void**)&pHostCmd,
1008	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1009	HGSMI_CH_VBVA,
1010	VBVAHG_EVENT);
1011	AssertRC(rc);
1012	if(RT_SUCCESS(rc))
1013	{
1014	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1015	pHostCmd->iDstID = pCmd->iDisplay;
1016	pHostCmd->customOpCode = 0;
1017	VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1018	pBody->pEvent = pCmd->GuestVBVAReserved1;
1019	}
1020	}
1021	else
1022	{
1023	HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1024	Assert(offCmd != HGSMIOFFSET_VOID);
1025	if(offCmd != HGSMIOFFSET_VOID)
1026	{
1027	rc = HGSMIHostCommandAlloc (pIns,
1028	(void**)&pHostCmd,
1029	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1030	HGSMI_CH_VBVA,
1031	VBVAHG_DISPLAY_CUSTOM);
1032	AssertRC(rc);
1033	if(RT_SUCCESS(rc))
1034	{
1035	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1036	pHostCmd->iDstID = pCmd->iDisplay;
1037	pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1038	VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1039	pBody->offCmd = offCmd;
1040	}
1041	}
1042	else
1043	{
1044	rc = VERR_INVALID_PARAMETER;
1045	}
1046	}
1047
1048	if(RT_SUCCESS(rc))
1049	{
1050	rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1051	AssertRC(rc);
1052	if(RT_SUCCESS(rc))
1053	{
1054	return rc;
1055	}
1056	HGSMIHostCommandFree (pIns, pHostCmd);
1057	}
1058	}
1059	}
1060	else
1061	{
1062	PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1063	if(pfn)
1064	{
1065	pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1066	}
1067	rc = VINF_SUCCESS;
1068	}
1069	return rc;
1070	}
1071
1072	typedef struct VBOXVBVASAVEDSTATECBDATA
1073	{
1074	PSSMHANDLE pSSM;
1075	int rc;
1076	bool ab2DOn[VBOX_VIDEO_MAX_SCREENS];
1077	} VBOXVBVASAVEDSTATECBDATA, *PVBOXVBVASAVEDSTATECBDATA;
1078
1079	static DECLCALLBACK(bool) vboxVBVASaveStateBeginPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1080	{
1081	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1082	if (RT_FAILURE(pData->rc))
1083	return false;
1084	if (RT_FAILURE(rc))
1085	{
1086	pData->rc = rc;
1087	return false;
1088	}
1089
1090	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1091	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1092	{
1093	pData->rc = VERR_INVALID_PARAMETER;
1094	return false;
1095	}
1096
1097	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1098	if (RT_SUCCESS(pCmd->rc))
1099	{
1100	pData->ab2DOn[iDisplay] = true;
1101	}
1102	else if (pCmd->rc != VERR_NOT_IMPLEMENTED)
1103	{
1104	pData->rc = pCmd->rc;
1105	return false;
1106	}
1107
1108	return true;
1109	}
1110
1111	static DECLCALLBACK(bool) vboxVBVASaveStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1112	{
1113	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1114	if (RT_FAILURE(pData->rc))
1115	return false;
1116
1117	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1118	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1119	{
1120	pData->rc = VERR_INVALID_PARAMETER;
1121	return false;
1122	}
1123
1124	int rc;
1125
1126	if (pData->ab2DOn[iDisplay])
1127	{
1128	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC); AssertRC(rc);
1129	if (RT_FAILURE(rc))
1130	{
1131	pData->rc = rc;
1132	return false;
1133	}
1134	return true;
1135	}
1136
1137	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRC(rc);
1138	if (RT_FAILURE(rc))
1139	{
1140	pData->rc = rc;
1141	return false;
1142	}
1143
1144	return false;
1145	}
1146
1147	static DECLCALLBACK(bool) vboxVBVASaveStateEndPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1148	{
1149	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1150	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1151	if (pData->ab2DOn[iDisplay])
1152	{
1153	return true;
1154	}
1155
1156	return false;
1157	}
1158
1159	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1160	{
1161	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1162	if (RT_FAILURE(pData->rc))
1163	return false;
1164	if (RT_FAILURE(rc))
1165	{
1166	pData->rc = rc;
1167	return false;
1168	}
1169
1170	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1171	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1172	{
1173	pData->rc = VERR_INVALID_PARAMETER;
1174	return false;
1175	}
1176
1177	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1178	if (pCmd->rc == VERR_NOT_IMPLEMENTED)
1179	{
1180	pData->rc = SSMR3SkipToEndOfUnit(pData->pSSM);
1181	AssertRC(pData->rc);
1182	return false;
1183	}
1184	if (RT_FAILURE(pCmd->rc))
1185	{
1186	pData->rc = pCmd->rc;
1187	return false;
1188	}
1189
1190	return true;
1191	}
1192
1193	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1194	{
1195	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1196	if (RT_FAILURE(pData->rc))
1197	return false;
1198
1199	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1200	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1201	{
1202	pData->rc = VERR_INVALID_PARAMETER;
1203	return false;
1204	}
1205
1206	int rc;
1207	uint32_t u32;
1208	rc = SSMR3GetU32(pData->pSSM, &u32); AssertRC(rc);
1209	if (RT_FAILURE(rc))
1210	{
1211	pData->rc = rc;
1212	return false;
1213	}
1214
1215	switch (u32)
1216	{
1217	case VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC:
1218	return true;
1219	case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC:
1220	return false;
1221	default:
1222	pData->rc = VERR_INVALID_STATE;
1223	return false;
1224	}
1225	}
1226	#endif /* #ifdef VBOX_WITH_VIDEOHWACCEL */
1227
1228	int vboxVBVASaveDevStateExec (PVGASTATE pVGAState, PSSMHANDLE pSSM)
1229	{
1230	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1231	int rc = HGSMIHostSaveStateExec (pIns, pSSM);
1232	if (RT_SUCCESS(rc))
1233	{
1234	/* Save VBVACONTEXT. */
1235	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1236
1237	if (!pCtx)
1238	{
1239	AssertFailed();
1240
1241	/* Still write a valid value to the SSM. */
1242	rc = SSMR3PutU32 (pSSM, 0);
1243	AssertRCReturn(rc, rc);
1244	}
1245	else
1246	{
1247	#ifdef DEBUG_sunlover
1248	dumpctx(pCtx);
1249	#endif
1250
1251	rc = SSMR3PutU32 (pSSM, pCtx->cViews);
1252	AssertRCReturn(rc, rc);
1253
1254	uint32_t iView;
1255	for (iView = 0; iView < pCtx->cViews; iView++)
1256	{
1257	VBVAVIEW *pView = &pCtx->aViews[iView];
1258
1259	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
1260	AssertRCReturn(rc, rc);
1261	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
1262	AssertRCReturn(rc, rc);
1263	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
1264	AssertRCReturn(rc, rc);
1265	rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
1266	AssertRCReturn(rc, rc);
1267
1268	rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
1269	AssertRCReturn(rc, rc);
1270	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
1271	AssertRCReturn(rc, rc);
1272	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
1273	AssertRCReturn(rc, rc);
1274	rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
1275	AssertRCReturn(rc, rc);
1276	rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
1277	AssertRCReturn(rc, rc);
1278	rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
1279	AssertRCReturn(rc, rc);
1280	rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
1281	AssertRCReturn(rc, rc);
1282	rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
1283	AssertRCReturn(rc, rc);
1284	rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
1285	AssertRCReturn(rc, rc);
1286
1287	rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
1288	AssertRCReturn(rc, rc);
1289
1290	rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
1291	AssertRCReturn(rc, rc);
1292
1293	if (pView->partialRecord.cb > 0)
1294	{
1295	rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1296	AssertRCReturn(rc, rc);
1297	}
1298	}
1299
1300	/* Save mouse pointer shape information. */
1301	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
1302	AssertRCReturn(rc, rc);
1303	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
1304	AssertRCReturn(rc, rc);
1305	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
1306	AssertRCReturn(rc, rc);
1307	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
1308	AssertRCReturn(rc, rc);
1309	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
1310	AssertRCReturn(rc, rc);
1311	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
1312	AssertRCReturn(rc, rc);
1313	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
1314	AssertRCReturn(rc, rc);
1315	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
1316	AssertRCReturn(rc, rc);
1317	if (pCtx->mouseShapeInfo.cbShape)
1318	{
1319	rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1320	AssertRCReturn(rc, rc);
1321	}
1322
1323	#ifdef VBOX_WITH_WDDM
1324	/* Size of some additional data. For future extensions. */
1325	rc = SSMR3PutU32 (pSSM, 4);
1326	AssertRCReturn(rc, rc);
1327	rc = SSMR3PutU32 (pSSM, pVGAState->fGuestCaps);
1328	AssertRCReturn(rc, rc);
1329	#else
1330	/* Size of some additional data. For future extensions. */
1331	rc = SSMR3PutU32 (pSSM, 0);
1332	AssertRCReturn(rc, rc);
1333	#endif
1334	}
1335	}
1336
1337	return rc;
1338	}
1339
1340	int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1341	{
1342	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1343	int rc;
1344	#ifdef VBOX_WITH_VIDEOHWACCEL
1345	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1346	VhwaData.pSSM = pSSM;
1347	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); /* maximum cmd size */
1348	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd);
1349	Assert(pCmd);
1350	if(pCmd)
1351	{
1352	vbvaVHWAHHPost (pVGAState, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData);
1353	rc = VhwaData.rc;
1354	AssertRC(rc);
1355	if (RT_SUCCESS(rc))
1356	{
1357	#endif
1358	rc = vboxVBVASaveDevStateExec (pVGAState, pSSM);
1359	AssertRC(rc);
1360	#ifdef VBOX_WITH_VIDEOHWACCEL
1361	if (RT_SUCCESS(rc))
1362	{
1363	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM, 0);
1364	VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM *pSave = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM);
1365	pSave->pSSM = pSSM;
1366	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData);
1367	rc = VhwaData.rc;
1368	AssertRC(rc);
1369	if (RT_SUCCESS(rc))
1370	{
1371	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0);
1372	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStateEndPreCb, NULL, &VhwaData);
1373	rc = VhwaData.rc;
1374	AssertRC(rc);
1375	}
1376	}
1377	}
1378
1379	vbvaVHWAHHCommandRelease(pCmd);
1380	}
1381	else
1382	rc = VERR_OUT_OF_RESOURCES;
1383	#else
1384	if (RT_SUCCESS(rc))
1385	{
1386	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1387	{
1388	rc = SSMR3PutU32 (pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC);
1389	AssertRCReturn(rc, rc);
1390	}
1391	}
1392	#endif
1393	return rc;
1394	}
1395
1396	int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
1397	{
1398	if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
1399	{
1400	/* Nothing was saved. */
1401	return VINF_SUCCESS;
1402	}
1403
1404	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1405	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1406	int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
1407	if (RT_SUCCESS(rc))
1408	{
1409	/* Load VBVACONTEXT. */
1410	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1411
1412	if (!pCtx)
1413	{
1414	/* This should not happen. */
1415	AssertFailed();
1416	rc = VERR_INVALID_PARAMETER;
1417	}
1418	else
1419	{
1420	uint32_t cViews = 0;
1421	rc = SSMR3GetU32 (pSSM, &cViews);
1422	AssertRCReturn(rc, rc);
1423
1424	uint32_t iView;
1425	for (iView = 0; iView < cViews; iView++)
1426	{
1427	VBVAVIEW *pView = &pCtx->aViews[iView];
1428
1429	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
1430	AssertRCReturn(rc, rc);
1431	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
1432	AssertRCReturn(rc, rc);
1433	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
1434	AssertRCReturn(rc, rc);
1435	rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
1436	AssertRCReturn(rc, rc);
1437
1438	rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
1439	AssertRCReturn(rc, rc);
1440	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
1441	AssertRCReturn(rc, rc);
1442	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
1443	AssertRCReturn(rc, rc);
1444	rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
1445	AssertRCReturn(rc, rc);
1446	rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
1447	AssertRCReturn(rc, rc);
1448	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
1449	AssertRCReturn(rc, rc);
1450	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
1451	AssertRCReturn(rc, rc);
1452	rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
1453	AssertRCReturn(rc, rc);
1454	rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
1455	AssertRCReturn(rc, rc);
1456
1457	rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
1458	AssertRCReturn(rc, rc);
1459
1460	rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
1461	AssertRCReturn(rc, rc);
1462
1463	if (pView->partialRecord.cb == 0)
1464	{
1465	pView->partialRecord.pu8 = NULL;
1466	}
1467	else
1468	{
1469	Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
1470
1471	uint8_t pu8 = (uint8_t )RTMemAlloc (pView->partialRecord.cb);
1472
1473	if (!pu8)
1474	{
1475	return VERR_NO_MEMORY;
1476	}
1477
1478	pView->partialRecord.pu8 = pu8;
1479
1480	rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1481	AssertRCReturn(rc, rc);
1482	}
1483
1484	if ( pView->u32VBVAOffset == HGSMIOFFSET_VOID
1485	\|\| pView->screen.u32LineSize == 0) /* Earlier broken saved states. */
1486	{
1487	pView->pVBVA = NULL;
1488	}
1489	else
1490	{
1491	pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
1492	}
1493	}
1494
1495	if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
1496	{
1497	/* Read mouse pointer shape information. */
1498	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
1499	AssertRCReturn(rc, rc);
1500	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
1501	AssertRCReturn(rc, rc);
1502	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
1503	AssertRCReturn(rc, rc);
1504	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
1505	AssertRCReturn(rc, rc);
1506	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
1507	AssertRCReturn(rc, rc);
1508	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
1509	AssertRCReturn(rc, rc);
1510	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
1511	AssertRCReturn(rc, rc);
1512	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
1513	AssertRCReturn(rc, rc);
1514	if (pCtx->mouseShapeInfo.cbShape)
1515	{
1516	pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
1517	if (pCtx->mouseShapeInfo.pu8Shape == NULL)
1518	{
1519	return VERR_NO_MEMORY;
1520	}
1521	pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
1522	rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1523	AssertRCReturn(rc, rc);
1524	}
1525	else
1526	{
1527	pCtx->mouseShapeInfo.pu8Shape = NULL;
1528	}
1529
1530	/* Size of some additional data. For future extensions. */
1531	uint32_t cbExtra = 0;
1532	rc = SSMR3GetU32 (pSSM, &cbExtra);
1533	AssertRCReturn(rc, rc);
1534	#ifdef VBOX_WITH_WDDM
1535	if (cbExtra >= 4)
1536	{
1537	rc = SSMR3GetU32 (pSSM, &pVGAState->fGuestCaps);
1538	AssertRCReturn(rc, rc);
1539	cbExtra -= 4;
1540	}
1541	#endif
1542	if (cbExtra > 0)
1543	{
1544	rc = SSMR3Skip(pSSM, cbExtra);
1545	AssertRCReturn(rc, rc);
1546	}
1547	}
1548
1549	pCtx->cViews = iView;
1550	LogFlowFunc(("%d views loaded\n", pCtx->cViews));
1551
1552	if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM)
1553	{
1554	#ifdef VBOX_WITH_VIDEOHWACCEL
1555	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */
1556	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd);
1557	Assert(pCmd);
1558	if(pCmd)
1559	{
1560	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1561	VhwaData.pSSM = pSSM;
1562	VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM);
1563	pLoad->pSSM = pSSM;
1564	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData);
1565	rc = VhwaData.rc;
1566	AssertRC(rc);
1567	vbvaVHWAHHCommandRelease(pCmd);
1568	}
1569	else
1570	{
1571	rc = VERR_OUT_OF_RESOURCES;
1572	}
1573	#else
1574	rc = SSMR3SkipToEndOfUnit(pSSM);
1575	AssertRCReturn(rc, rc);
1576	#endif
1577	}
1578
1579	#ifdef DEBUG_sunlover
1580	dumpctx(pCtx);
1581	#endif
1582	}
1583	}
1584
1585	return rc;
1586	}
1587
1588	int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1589	{
1590	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1591	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
1592
1593	if (pCtx)
1594	{
1595	uint32_t iView;
1596	for (iView = 0; iView < pCtx->cViews; iView++)
1597	{
1598	VBVAVIEW *pView = &pCtx->aViews[iView];
1599
1600	if (pView->pVBVA)
1601	{
1602	vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset);
1603	vbvaResize (pVGAState, pView, &pView->screen);
1604	}
1605	}
1606
1607	if (pCtx->mouseShapeInfo.fSet)
1608	{
1609	vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1610	}
1611	}
1612
1613	return VINF_SUCCESS;
1614	}
1615
1616	/*
1617	*
1618	* New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
1619	*
1620	* VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
1621	* Read Write
1622	* Host port 0x3b0 to process completed
1623	* Guest port 0x3d0 control value? to process
1624	*
1625	*/
1626
1627	static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
1628	{
1629	#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_VDMA) \|\| defined(VBOX_WITH_WDDM))
1630	PVGASTATE pVGAState = (PVGASTATE)pvCallback;
1631	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1632	PDMCritSectEnter(&pVGAState->lock, VERR_SEM_BUSY);
1633	HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ);
1634	PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1635	PDMCritSectLeave(&pVGAState->lock);
1636	#else
1637	NOREF(pvCallback);
1638	/* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
1639	#endif
1640	}
1641
1642	/* The guest submitted a buffer. @todo Verify all guest data. */
1643	static DECLCALLBACK(int) vbvaChannelHandler (void pvHandler, uint16_t u16ChannelInfo, void pvBuffer, HGSMISIZE cbBuffer)
1644	{
1645	int rc = VINF_SUCCESS;
1646
1647	LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
1648	pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
1649
1650	PVGASTATE pVGAState = (PVGASTATE)pvHandler;
1651	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1652	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1653
1654	switch (u16ChannelInfo)
1655	{
1656	#ifdef VBOX_WITH_VDMA
1657	case VBVA_VDMA_CMD:
1658	{
1659	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMACBUF_DR))
1660	{
1661	rc = VERR_INVALID_PARAMETER;
1662	break;
1663	}
1664	PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1665	vboxVDMACommand(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
1666	rc = VINF_SUCCESS;
1667	break;
1668	}
1669	case VBVA_VDMA_CTL:
1670	{
1671	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMA_CTL))
1672	{
1673	rc = VERR_INVALID_PARAMETER;
1674	break;
1675	}
1676	PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1677	vboxVDMAControl(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
1678	rc = VINF_SUCCESS;
1679	break;
1680	}
1681	#endif
1682	case VBVA_QUERY_CONF32:
1683	{
1684	if (cbBuffer < sizeof (VBVACONF32))
1685	{
1686	rc = VERR_INVALID_PARAMETER;
1687	break;
1688	}
1689
1690	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
1691	LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
1692	pConf32->u32Index, pConf32->u32Value));
1693
1694	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1695	{
1696	pConf32->u32Value = pCtx->cViews;
1697	}
1698	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1699	{
1700	/* @todo a value calculated from the vram size */
1701	pConf32->u32Value = 64*_1K;
1702	}
1703	else
1704	{
1705	Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
1706	pConf32->u32Index));
1707	rc = VERR_INVALID_PARAMETER;
1708	}
1709	} break;
1710
1711	case VBVA_SET_CONF32:
1712	{
1713	if (cbBuffer < sizeof (VBVACONF32))
1714	{
1715	rc = VERR_INVALID_PARAMETER;
1716	break;
1717	}
1718
1719	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
1720	LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
1721	pConf32->u32Index, pConf32->u32Value));
1722
1723	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1724	{
1725	/* do nothing. this is a const. */
1726	}
1727	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1728	{
1729	/* do nothing. this is a const. */
1730	}
1731	else
1732	{
1733	Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
1734	pConf32->u32Index));
1735	rc = VERR_INVALID_PARAMETER;
1736	}
1737	} break;
1738
1739	case VBVA_INFO_VIEW:
1740	{
1741	if (cbBuffer < sizeof (VBVAINFOVIEW))
1742	{
1743	rc = VERR_INVALID_PARAMETER;
1744	break;
1745	}
1746
1747	/* Guest submits an array of VBVAINFOVIEW structures. */
1748	VBVAINFOVIEW pView = (VBVAINFOVIEW )pvBuffer;
1749
1750	for (;
1751	cbBuffer >= sizeof (VBVAINFOVIEW);
1752	pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
1753	{
1754	LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1755	pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1756
1757	/* @todo verify view data. */
1758	if (pView->u32ViewIndex >= pCtx->cViews)
1759	{
1760	Log(("View index too large %d!!!\n",
1761	pView->u32ViewIndex));
1762	rc = VERR_INVALID_PARAMETER;
1763	break;
1764	}
1765
1766	pCtx->aViews[pView->u32ViewIndex].view = *pView;
1767	}
1768	} break;
1769
1770	case VBVA_INFO_HEAP:
1771	{
1772	if (cbBuffer < sizeof (VBVAINFOHEAP))
1773	{
1774	rc = VERR_INVALID_PARAMETER;
1775	break;
1776	}
1777
1778	VBVAINFOHEAP pHeap = (VBVAINFOHEAP )pvBuffer;
1779	LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
1780	pHeap->u32HeapOffset, pHeap->u32HeapSize));
1781
1782	rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
1783	} break;
1784
1785	case VBVA_FLUSH:
1786	{
1787	if (cbBuffer < sizeof (VBVAFLUSH))
1788	{
1789	rc = VERR_INVALID_PARAMETER;
1790	break;
1791	}
1792
1793	VBVAFLUSH pFlush = (VBVAFLUSH )pvBuffer;
1794	LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
1795	pFlush->u32Reserved));
1796
1797	rc = vbvaFlush (pVGAState, pCtx);
1798	} break;
1799
1800	case VBVA_INFO_SCREEN:
1801	{
1802	if (cbBuffer < sizeof (VBVAINFOSCREEN))
1803	{
1804	rc = VERR_INVALID_PARAMETER;
1805	break;
1806	}
1807
1808	VBVAINFOSCREEN pScreen = (VBVAINFOSCREEN )pvBuffer;
1809	VBVAINFOVIEW *pView = &pCtx->aViews[pScreen->u32ViewIndex].view;
1810	/* Calculate the offset of the end of the screen so we can make
1811	* sure it is inside the view. I assume that screen rollover is not
1812	* implemented. */
1813	int64_t offEnd = (int64_t)pScreen->u32Height * pScreen->u32LineSize
1814	+ pScreen->u32Width + pScreen->u32StartOffset;
1815	LogRelFlowFunc(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1816	pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1817	pScreen->u32Width, pScreen->u32Height,
1818	pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1819
1820	if ( pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews)
1821	&& pScreen->u16BitsPerPixel <= 32
1822	&& pScreen->u32Width <= UINT16_MAX
1823	&& pScreen->u32Height <= UINT16_MAX
1824	&& pScreen->u32LineSize <= UINT16_MAX * 4
1825	&& offEnd < pView->u32MaxScreenSize)
1826	{
1827	vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1828	}
1829	else
1830	{
1831	LogRelFlow(("VBVA_INFO_SCREEN [%lu]: bad data: %lux%lu, line 0x%lx, BPP %u, start offset %lu, max screen size %lu\n",
1832	(unsigned long)pScreen->u32ViewIndex,
1833	(unsigned long)pScreen->u32Width,
1834	(unsigned long)pScreen->u32Height,
1835	(unsigned long)pScreen->u32LineSize,
1836	(unsigned long)pScreen->u16BitsPerPixel,
1837	(unsigned long)pScreen->u32StartOffset,
1838	(unsigned long)pView->u32MaxScreenSize));
1839	rc = VERR_INVALID_PARAMETER;
1840	}
1841	} break;
1842
1843	case VBVA_ENABLE:
1844	{
1845	if (cbBuffer < sizeof (VBVAENABLE))
1846	{
1847	rc = VERR_INVALID_PARAMETER;
1848	break;
1849	}
1850
1851	VBVAENABLE pEnable = (VBVAENABLE )pvBuffer;
1852	unsigned uScreenId;
1853	if (pEnable->u32Flags & VBVA_F_EXTENDED)
1854	{
1855	if (cbBuffer < sizeof (VBVAENABLE_EX))
1856	{
1857	rc = VERR_INVALID_PARAMETER;
1858	break;
1859	}
1860
1861	VBVAENABLE_EX pEnableEx = (VBVAENABLE_EX )pvBuffer;
1862	uScreenId = pEnableEx->u32ScreenId;
1863	}
1864	else
1865	{
1866	uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
1867	}
1868
1869	if (uScreenId == ~0U)
1870	{
1871	rc = VERR_INVALID_PARAMETER;
1872	break;
1873	}
1874
1875	LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
1876	uScreenId, pEnable->u32Flags, pEnable->u32Offset));
1877
1878	if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_ENABLE)
1879	{
1880	/* Guest reported offset relative to view. */
1881	uint32_t u32Offset = pEnable->u32Offset;
1882	if (!(pEnable->u32Flags & VBVA_F_ABSOFFSET))
1883	{
1884	u32Offset += pCtx->aViews[uScreenId].view.u32ViewOffset;
1885	}
1886
1887	VBVABUFFER pVBVA = (VBVABUFFER )HGSMIOffsetToPointerHost (pIns, u32Offset);
1888
1889	if (pVBVA)
1890	{
1891	/* Process any pending orders and empty the VBVA ring buffer. */
1892	vbvaFlush (pVGAState, pCtx);
1893
1894	rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset);
1895	}
1896	else
1897	{
1898	Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
1899	pEnable->u32Offset));
1900	rc = VERR_INVALID_PARAMETER;
1901	}
1902	}
1903	else if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_DISABLE)
1904	{
1905	rc = vbvaDisable (uScreenId, pVGAState, pCtx);
1906	}
1907	else
1908	{
1909	Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
1910	pEnable->u32Flags));
1911	rc = VERR_INVALID_PARAMETER;
1912	}
1913
1914	pEnable->i32Result = rc;
1915	} break;
1916
1917	case VBVA_MOUSE_POINTER_SHAPE:
1918	{
1919	if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
1920	{
1921	rc = VERR_INVALID_PARAMETER;
1922	break;
1923	}
1924
1925	VBVAMOUSEPOINTERSHAPE pShape = (VBVAMOUSEPOINTERSHAPE )pvBuffer;
1926
1927	LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
1928	pShape->i32Result,
1929	pShape->fu32Flags,
1930	pShape->u32HotX,
1931	pShape->u32HotY,
1932	pShape->u32Width,
1933	pShape->u32Height));
1934
1935	rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
1936
1937	pShape->i32Result = rc;
1938	} break;
1939
1940
1941	#ifdef VBOX_WITH_VIDEOHWACCEL
1942	case VBVA_VHWA_CMD:
1943	{
1944	rc = vbvaVHWAHandleCommand (pVGAState, pCtx, (PVBOXVHWACMD)pvBuffer);
1945	} break;
1946	#endif
1947
1948	#ifdef VBOX_WITH_WDDM
1949	case VBVA_INFO_CAPS:
1950	{
1951	if (cbBuffer < sizeof (VBVACAPS))
1952	{
1953	rc = VERR_INVALID_PARAMETER;
1954	break;
1955	}
1956
1957	VBVACAPS pCaps = (VBVACAPS)pvBuffer;
1958	pVGAState->fGuestCaps = pCaps->fCaps;
1959	pCaps->rc = VINF_SUCCESS;
1960	} break;
1961	#endif
1962	default:
1963	Log(("Unsupported VBVA guest command %d!!!\n",
1964	u16ChannelInfo));
1965	break;
1966	}
1967
1968	return rc;
1969	}
1970
1971	void VBVAReset (PVGASTATE pVGAState)
1972	{
1973	if (!pVGAState \|\| !pVGAState->pHGSMI)
1974	{
1975	return;
1976	}
1977
1978	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
1979
1980	#ifdef VBOX_WITH_VIDEOHWACCEL
1981	vbvaVHWAReset (pVGAState);
1982	#endif
1983
1984	uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
1985	if(HgFlags & HGSMIHOSTFLAGS_IRQ)
1986	{
1987	/* this means the IRQ is LEVEL_HIGH, need to reset it */
1988	PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
1989	}
1990
1991	if (pCtx)
1992	{
1993	vbvaFlush (pVGAState, pCtx);
1994
1995	unsigned uScreenId;
1996
1997	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
1998	{
1999	vbvaDisable (uScreenId, pVGAState, pCtx);
2000	}
2001
2002	pCtx->mouseShapeInfo.fSet = false;
2003	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2004	pCtx->mouseShapeInfo.pu8Shape = NULL;
2005	pCtx->mouseShapeInfo.cbAllocated = 0;
2006	pCtx->mouseShapeInfo.cbShape = 0;
2007	}
2008
2009	}
2010
2011	int VBVAUpdateDisplay (PVGASTATE pVGAState)
2012	{
2013	int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
2014
2015	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2016
2017	if (pCtx)
2018	{
2019	rc = vbvaFlush (pVGAState, pCtx);
2020
2021	if (RT_SUCCESS (rc))
2022	{
2023	if (!pCtx->aViews[0].pVBVA)
2024	{
2025	/* VBVA is not enabled for the first view, so VGA device must do updates. */
2026	rc = VERR_NOT_SUPPORTED;
2027	}
2028	}
2029	}
2030
2031	return rc;
2032	}
2033
2034	static HGSMICHANNELHANDLER sOldChannelHandler;
2035
2036	int VBVAInit (PVGASTATE pVGAState)
2037	{
2038	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
2039
2040	PVM pVM = PDMDevHlpGetVM(pDevIns);
2041
2042	int rc = HGSMICreate (&pVGAState->pHGSMI,
2043	pVM,
2044	"VBVA",
2045	0,
2046	pVGAState->vram_ptrR3,
2047	pVGAState->vram_size,
2048	vbvaNotifyGuest,
2049	pVGAState,
2050	sizeof (VBVACONTEXT));
2051
2052	if (RT_SUCCESS (rc))
2053	{
2054	rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
2055	HGSMI_CH_VBVA,
2056	vbvaChannelHandler,
2057	pVGAState,
2058	&sOldChannelHandler);
2059	if (RT_SUCCESS (rc))
2060	{
2061	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2062	pCtx->cViews = pVGAState->cMonitors;
2063	}
2064	}
2065
2066	return rc;
2067
2068	}
2069
2070	void VBVADestroy (PVGASTATE pVGAState)
2071	{
2072	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2073
2074	if (pCtx)
2075	{
2076	pCtx->mouseShapeInfo.fSet = false;
2077	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2078	pCtx->mouseShapeInfo.pu8Shape = NULL;
2079	pCtx->mouseShapeInfo.cbAllocated = 0;
2080	pCtx->mouseShapeInfo.cbShape = 0;
2081	}
2082
2083	HGSMIDestroy (pVGAState->pHGSMI);
2084	pVGAState->pHGSMI = NULL;
2085	}

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 39855

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