DevVGA_VBVA.cpp@ 53528

Last change on this file since 53528 was 53528, checked in by vboxsync, 10 years ago
Devices/Graphics, Devices/PC/DevACPI, Main: add support for sending video mode hints through the VGA device.
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File size: 85.4 KB

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1	/* $Id: DevVGA_VBVA.cpp 53528 2014-12-12 20:22:39Z vboxsync $ */
2	/** @file
3	* VirtualBox Video Acceleration (VBVA).
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.215389.xyz. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	/*******************************************************************************
19	* Header Files *
20	*******************************************************************************/
21	#define LOG_GROUP LOG_GROUP_DEV_VGA
22	#include <VBox/vmm/pdmifs.h>
23	#include <VBox/vmm/pdmdev.h>
24	#include <VBox/vmm/pgm.h>
25	#include <VBox/vmm/ssm.h>
26	#include <VBox/VMMDev.h>
27	#include <VBox/VBoxVideo.h>
28	#include <iprt/alloc.h>
29	#include <iprt/assert.h>
30	#include <iprt/asm.h>
31	#include <iprt/string.h>
32	#include <iprt/param.h>
33	#ifdef VBOX_WITH_VIDEOHWACCEL
34	#include <iprt/semaphore.h>
35	#endif
36
37	#include "DevVGA.h"
38
39	/* A very detailed logging. */
40	#if 0 // def DEBUG_sunlover
41	#define LOGVBVABUFFER(a) LogFlow(a)
42	#else
43	#define LOGVBVABUFFER(a) do {} while (0)
44	#endif
45
46	/*******************************************************************************
47	* Structures and Typedefs *
48	*******************************************************************************/
49	typedef struct VBVAPARTIALRECORD
50	{
51	uint8_t *pu8;
52	uint32_t cb;
53	} VBVAPARTIALRECORD;
54
55	typedef struct VBVAVIEW
56	{
57	VBVAINFOVIEW view;
58	VBVAINFOSCREEN screen;
59	VBVABUFFER *pVBVA;
60	uint32_t u32VBVAOffset;
61	VBVAPARTIALRECORD partialRecord;
62	} VBVAVIEW;
63
64	typedef struct VBVAMOUSESHAPEINFO
65	{
66	bool fSet;
67	bool fVisible;
68	bool fAlpha;
69	uint32_t u32HotX;
70	uint32_t u32HotY;
71	uint32_t u32Width;
72	uint32_t u32Height;
73	uint32_t cbShape;
74	uint32_t cbAllocated;
75	uint8_t *pu8Shape;
76	} VBVAMOUSESHAPEINFO;
77
78	/** @todo saved state: save and restore VBVACONTEXT */
79	typedef struct VBVACONTEXT
80	{
81	uint32_t cViews;
82	VBVAVIEW aViews[64 /* @todo SchemaDefs::MaxGuestMonitors*/];
83	VBVAMOUSESHAPEINFO mouseShapeInfo;
84	bool fPaused;
85	VBVAMODEHINT aModeHints[VBOX_VIDEO_MAX_SCREENS];
86	} VBVACONTEXT;
87
88
89
90	/** Copies @a cb bytes from the VBVA ring buffer to the @a pu8Dst.
91	* Used for partial records or for records which cross the ring boundary.
92	*/
93	static void vbvaFetchBytes (VBVABUFFER pVBVA, uint8_t pu8Dst, uint32_t cb)
94	{
95	/** @todo replace the 'if' with an assert. The caller must ensure this condition. */
96	if (cb >= pVBVA->cbData)
97	{
98	AssertMsgFailed (("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVA->cbData));
99	return;
100	}
101
102	const uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
103	const uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
104	const int32_t i32Diff = cb - u32BytesTillBoundary;
105
106	if (i32Diff <= 0)
107	{
108	/* Chunk will not cross buffer boundary. */
109	memcpy (pu8Dst, src, cb);
110	}
111	else
112	{
113	/* Chunk crosses buffer boundary. */
114	memcpy (pu8Dst, src, u32BytesTillBoundary);
115	memcpy (pu8Dst + u32BytesTillBoundary, &pVBVA->au8Data[0], i32Diff);
116	}
117
118	/* Advance data offset. */
119	pVBVA->off32Data = (pVBVA->off32Data + cb) % pVBVA->cbData;
120
121	return;
122	}
123
124
125	static bool vbvaPartialRead (VBVAPARTIALRECORD pPartialRecord, uint32_t cbRecord, VBVABUFFER pVBVA)
126	{
127	uint8_t *pu8New;
128
129	LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
130	pPartialRecord->pu8, pPartialRecord->cb, cbRecord));
131
132	if (pPartialRecord->pu8)
133	{
134	Assert (pPartialRecord->cb);
135	pu8New = (uint8_t *)RTMemRealloc (pPartialRecord->pu8, cbRecord);
136	}
137	else
138	{
139	Assert (!pPartialRecord->cb);
140	pu8New = (uint8_t *)RTMemAlloc (cbRecord);
141	}
142
143	if (!pu8New)
144	{
145	/* Memory allocation failed, fail the function. */
146	Log(("vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
147	cbRecord));
148
149	if (pPartialRecord->pu8)
150	{
151	RTMemFree (pPartialRecord->pu8);
152	}
153
154	pPartialRecord->pu8 = NULL;
155	pPartialRecord->cb = 0;
156
157	return false;
158	}
159
160	/* Fetch data from the ring buffer. */
161	vbvaFetchBytes (pVBVA, pu8New + pPartialRecord->cb, cbRecord - pPartialRecord->cb);
162
163	pPartialRecord->pu8 = pu8New;
164	pPartialRecord->cb = cbRecord;
165
166	return true;
167	}
168
169	/* For contiguous chunks just return the address in the buffer.
170	* For crossing boundary - allocate a buffer from heap.
171	*/
172	static bool vbvaFetchCmd (VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA, VBVACMDHDR *ppHdr, uint32_t pcbCmd)
173	{
174	uint32_t indexRecordFirst = pVBVA->indexRecordFirst;
175	uint32_t indexRecordFree = pVBVA->indexRecordFree;
176
177	LOGVBVABUFFER(("first = %d, free = %d\n",
178	indexRecordFirst, indexRecordFree));
179
180	if (indexRecordFirst == indexRecordFree)
181	{
182	/* No records to process. Return without assigning output variables. */
183	return true;
184	}
185
186	uint32_t cbRecordCurrent = ASMAtomicReadU32(&pVBVA->aRecords[indexRecordFirst].cbRecord);
187
188	LOGVBVABUFFER(("cbRecord = 0x%08X, pPartialRecord->cb = 0x%08X\n", cbRecordCurrent, pPartialRecord->cb));
189
190	uint32_t cbRecord = cbRecordCurrent & ~VBVA_F_RECORD_PARTIAL;
191
192	if (pPartialRecord->cb)
193	{
194	/* There is a partial read in process. Continue with it. */
195	Assert (pPartialRecord->pu8);
196
197	LOGVBVABUFFER(("continue partial record cb = %d cbRecord 0x%08X, first = %d, free = %d\n",
198	pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
199
200	if (cbRecord > pPartialRecord->cb)
201	{
202	/* New data has been added to the record. */
203	if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
204	{
205	return false;
206	}
207	}
208
209	if (!(cbRecordCurrent & VBVA_F_RECORD_PARTIAL))
210	{
211	/* The record is completed by guest. Return it to the caller. */
212	ppHdr = (VBVACMDHDR )pPartialRecord->pu8;
213	*pcbCmd = pPartialRecord->cb;
214
215	pPartialRecord->pu8 = NULL;
216	pPartialRecord->cb = 0;
217
218	/* Advance the record index. */
219	pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
220
221	LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n",
222	pVBVA->off32Data, pVBVA->off32Free));
223	}
224
225	return true;
226	}
227
228	/* A new record need to be processed. */
229	if (cbRecordCurrent & VBVA_F_RECORD_PARTIAL)
230	{
231	/* Current record is being written by guest. '=' is important here,
232	* because the guest will do a FLUSH at this condition.
233	* This partial record is too large for the ring buffer and must
234	* be accumulated in an allocated buffer.
235	*/
236	if (cbRecord >= pVBVA->cbData - pVBVA->cbPartialWriteThreshold)
237	{
238	/* Partial read must be started. */
239	if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
240	{
241	return false;
242	}
243
244	LOGVBVABUFFER(("started partial record cb = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
245	pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
246	}
247
248	return true;
249	}
250
251	/* Current record is complete. If it is not empty, process it. */
252	if (cbRecord)
253	{
254	/* The size of largest contiguous chunk in the ring biffer. */
255	uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
256
257	/* The pointer to data in the ring buffer. */
258	uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
259
260	/* Fetch or point the data. */
261	if (u32BytesTillBoundary >= cbRecord)
262	{
263	/* The command does not cross buffer boundary. Return address in the buffer. */
264	ppHdr = (VBVACMDHDR )src;
265
266	/* Advance data offset. */
267	pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
268	}
269	else
270	{
271	/* The command crosses buffer boundary. Rare case, so not optimized. */
272	uint8_t dst = (uint8_t )RTMemAlloc (cbRecord);
273
274	if (!dst)
275	{
276	LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
277	pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
278	return false;
279	}
280
281	vbvaFetchBytes (pVBVA, dst, cbRecord);
282
283	ppHdr = (VBVACMDHDR )dst;
284
285	LOGVBVABUFFER(("Allocated from heap %p\n", dst));
286	}
287	}
288
289	*pcbCmd = cbRecord;
290
291	/* Advance the record index. */
292	pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
293
294	LOGVBVABUFFER(("done ok, data = %d, free = %d\n",
295	pVBVA->off32Data, pVBVA->off32Free));
296
297	return true;
298	}
299
300	static void vbvaReleaseCmd (VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA, VBVACMDHDR *pHdr, uint32_t cbCmd)
301	{
302	uint8_t *au8RingBuffer = &pVBVA->au8Data[0];
303
304	if ( (uint8_t *)pHdr >= au8RingBuffer
305	&& (uint8_t *)pHdr < &au8RingBuffer[pVBVA->cbData])
306	{
307	/* The pointer is inside ring buffer. Must be continuous chunk. */
308	Assert (pVBVA->cbData - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
309
310	/* Do nothing. */
311
312	Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
313	}
314	else
315	{
316	/* The pointer is outside. It is then an allocated copy. */
317	LOGVBVABUFFER(("Free heap %p\n", pHdr));
318
319	if ((uint8_t *)pHdr == pPartialRecord->pu8)
320	{
321	pPartialRecord->pu8 = NULL;
322	pPartialRecord->cb = 0;
323	}
324	else
325	{
326	Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
327	}
328
329	RTMemFree (pHdr);
330	}
331
332	return;
333	}
334
335	static int vbvaFlushProcess (unsigned uScreenId, PVGASTATE pVGAState, VBVAPARTIALRECORD pPartialRecord, VBVABUFFER pVBVA)
336	{
337	LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
338	uScreenId, pVBVA->indexRecordFirst, pVBVA->indexRecordFree, pVBVA->off32Data, pVBVA->off32Free));
339	struct {
340	/* The rectangle that includes all dirty rectangles. */
341	int32_t xLeft;
342	int32_t xRight;
343	int32_t yTop;
344	int32_t yBottom;
345	} dirtyRect;
346	RT_ZERO(dirtyRect);
347
348	bool fUpdate = false; /* Whether there were any updates. */
349	bool fDirtyEmpty = true;
350
351	for (;;)
352	{
353	VBVACMDHDR *phdr = NULL;
354	uint32_t cbCmd = ~0;
355
356	/* Fetch the command data. */
357	if (!vbvaFetchCmd (pPartialRecord, pVBVA, &phdr, &cbCmd))
358	{
359	LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n",
360	pVBVA->off32Data, pVBVA->off32Free));
361
362	/* @todo old code disabled VBVA processing here. */
363	return VERR_NOT_SUPPORTED;
364	}
365
366	if (cbCmd == uint32_t(~0))
367	{
368	/* No more commands yet in the queue. */
369	break;
370	}
371
372	if (cbCmd != 0)
373	{
374	if (!fUpdate)
375	{
376	pVGAState->pDrv->pfnVBVAUpdateBegin (pVGAState->pDrv, uScreenId);
377	fUpdate = true;
378	}
379
380	/* Updates the rectangle and sends the command to the VRDP server. */
381	pVGAState->pDrv->pfnVBVAUpdateProcess (pVGAState->pDrv, uScreenId, phdr, cbCmd);
382
383	int32_t xRight = phdr->x + phdr->w;
384	int32_t yBottom = phdr->y + phdr->h;
385
386	/* These are global coords, relative to the primary screen. */
387
388	LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
389	cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
390	LogRel3(("%s: update command cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
391	__PRETTY_FUNCTION__, cbCmd, phdr->x, phdr->y, phdr->w,
392	phdr->h));
393
394	/* Collect all rects into one. */
395	if (fDirtyEmpty)
396	{
397	/* This is the first rectangle to be added. */
398	dirtyRect.xLeft = phdr->x;
399	dirtyRect.yTop = phdr->y;
400	dirtyRect.xRight = xRight;
401	dirtyRect.yBottom = yBottom;
402	fDirtyEmpty = false;
403	}
404	else
405	{
406	/* Adjust region coordinates. */
407	if (dirtyRect.xLeft > phdr->x)
408	{
409	dirtyRect.xLeft = phdr->x;
410	}
411
412	if (dirtyRect.yTop > phdr->y)
413	{
414	dirtyRect.yTop = phdr->y;
415	}
416
417	if (dirtyRect.xRight < xRight)
418	{
419	dirtyRect.xRight = xRight;
420	}
421
422	if (dirtyRect.yBottom < yBottom)
423	{
424	dirtyRect.yBottom = yBottom;
425	}
426	}
427	}
428
429	vbvaReleaseCmd (pPartialRecord, pVBVA, phdr, cbCmd);
430	}
431
432	if (fUpdate)
433	{
434	if (dirtyRect.xRight - dirtyRect.xLeft)
435	{
436	LogRel3(("%s: sending update screen=%d, x=%d, y=%d, w=%d, h=%d\n",
437	__PRETTY_FUNCTION__, uScreenId, dirtyRect.xLeft,
438	dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft,
439	dirtyRect.yBottom - dirtyRect.yTop));
440	pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop,
441	dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop);
442	}
443	else
444	{
445	pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, 0, 0, 0, 0);
446	}
447	}
448
449	return VINF_SUCCESS;
450	}
451
452	static int vbvaFlush (PVGASTATE pVGAState, VBVACONTEXT *pCtx)
453	{
454	unsigned uScreenId;
455
456	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
457	{
458	VBVAPARTIALRECORD *pPartialRecord = &pCtx->aViews[uScreenId].partialRecord;
459	VBVABUFFER *pVBVA = pCtx->aViews[uScreenId].pVBVA;
460
461	if (pVBVA)
462	{
463	vbvaFlushProcess (uScreenId, pVGAState, pPartialRecord, pVBVA);
464	}
465	}
466
467	/* @todo rc */
468	return VINF_SUCCESS;
469	}
470
471	static int vbvaResize (PVGASTATE pVGAState, VBVAVIEW pView, const VBVAINFOSCREEN pNewScreen)
472	{
473	/* Verify pNewScreen. */
474	/* @todo */
475
476	/* Apply these changes. */
477	pView->screen = *pNewScreen;
478
479	uint8_t *pu8VRAM = pVGAState->vram_ptrR3 + pView->view.u32ViewOffset;
480
481	int rc = pVGAState->pDrv->pfnVBVAResize (pVGAState->pDrv, &pView->view, &pView->screen, pu8VRAM);
482
483	/* @todo process VINF_VGA_RESIZE_IN_PROGRESS? */
484
485	return rc;
486	}
487
488	static int vbvaEnable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT pCtx, VBVABUFFER pVBVA, uint32_t u32Offset, bool fRestored)
489	{
490	/* @todo old code did a UpdateDisplayAll at this place. */
491
492	int rc;
493
494	if (pVGAState->pDrv->pfnVBVAEnable)
495	{
496	pVBVA->hostFlags.u32HostEvents = 0;
497	pVBVA->hostFlags.u32SupportedOrders = 0;
498	pVGAState->fGuestCaps = 0;
499	pVGAState->pDrv->pfnVBVAGuestCapabilityUpdate(pVGAState->pDrv, 0);
500
501	rc = pVGAState->pDrv->pfnVBVAEnable (pVGAState->pDrv, uScreenId, &pVBVA->hostFlags, false);
502	}
503	else
504	{
505	rc = VERR_NOT_SUPPORTED;
506	}
507
508	if (RT_SUCCESS (rc))
509	{
510	/* pVBVA->hostFlags has been set up by pfnVBVAEnable. */
511	LogFlowFunc(("u32HostEvents 0x%08X, u32SupportedOrders 0x%08X\n",
512	pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders));
513
514	if (!fRestored)
515	{
516	/* @todo Actually this function must not touch the partialRecord structure at all,
517	* because initially it is a zero and when VBVA is disabled this should be set to zero.
518	* But I'm not sure that no code depends on zeroing partialRecord here.
519	* So for now (a quick fix for 4.1) just do not do this if the VM was restored,
520	* when partialRecord might be loaded already from the saved state.
521	*/
522	pCtx->aViews[uScreenId].partialRecord.pu8 = NULL;
523	pCtx->aViews[uScreenId].partialRecord.cb = 0;
524	}
525
526	pCtx->aViews[uScreenId].pVBVA = pVBVA;
527	pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset;
528
529	/* VBVA is working so disable the pause. */
530	pCtx->fPaused = false;
531	}
532
533	return rc;
534	}
535
536	static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx)
537	{
538	/* Process any pending orders and empty the VBVA ring buffer. */
539	vbvaFlush (pVGAState, pCtx);
540
541	VBVAVIEW *pView = &pCtx->aViews[uScreenId];
542
543	if (pView->pVBVA)
544	{
545	pView->pVBVA->hostFlags.u32HostEvents = 0;
546	pView->pVBVA->hostFlags.u32SupportedOrders = 0;
547
548	pView->partialRecord.pu8 = NULL;
549	pView->partialRecord.cb = 0;
550
551	pView->pVBVA = NULL;
552	pView->u32VBVAOffset = HGSMIOFFSET_VOID;
553	}
554
555	pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
556	return VINF_SUCCESS;
557	}
558
559	bool VBVAIsEnabled(PVGASTATE pVGAState)
560	{
561	PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI;
562	if (pHGSMI)
563	{
564	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pHGSMI);
565	if (pCtx)
566	{
567	if (pCtx->cViews)
568	{
569	VBVAVIEW * pView = &pCtx->aViews[0];
570	if (pView->pVBVA)
571	return true;
572	}
573	}
574	}
575	return false;
576	}
577
578	#ifdef DEBUG_sunlover
579	void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
580	{
581	LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
582	pMouseShapeInfo->fSet,
583	pMouseShapeInfo->fVisible,
584	pMouseShapeInfo->fAlpha,
585	pMouseShapeInfo->u32HotX,
586	pMouseShapeInfo->u32HotY,
587	pMouseShapeInfo->u32Width,
588	pMouseShapeInfo->u32Height,
589	pMouseShapeInfo->pu8Shape,
590	pMouseShapeInfo->cbShape,
591	pMouseShapeInfo->cbAllocated
592	));
593	}
594	#endif
595
596	static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO pMouseShapeInfo, bool fShape, const uint8_t pu8Shape)
597	{
598	int rc;
599	LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
600	pVGAState, pMouseShapeInfo, fShape, pu8Shape));
601	#ifdef DEBUG_sunlover
602	dumpMouseShapeInfo(pMouseShapeInfo);
603	#endif
604
605	if (fShape && pu8Shape != NULL)
606	{
607	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
608	pMouseShapeInfo->fVisible,
609	pMouseShapeInfo->fAlpha,
610	pMouseShapeInfo->u32HotX,
611	pMouseShapeInfo->u32HotY,
612	pMouseShapeInfo->u32Width,
613	pMouseShapeInfo->u32Height,
614	pu8Shape);
615	}
616	else
617	{
618	rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
619	pMouseShapeInfo->fVisible,
620	false,
621	0, 0,
622	0, 0,
623	NULL);
624	}
625
626	return rc;
627	}
628
629	static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT pCtx, const VBVAMOUSEPOINTERSHAPE pShape, HGSMISIZE cbShape)
630	{
631	bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
632	bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
633	bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
634
635	HGSMISIZE cbPointerData = 0;
636
637	if (fShape)
638	{
639	if (pShape->u32Width > 8192 \|\| pShape->u32Height > 8192)
640	{
641	Log(("vbvaMousePointerShape: unsupported size %ux%u\n",
642	pShape->u32Width, pShape->u32Height));
643	return VERR_INVALID_PARAMETER;
644	}
645
646	cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
647	+ pShape->u32Width * 4 * pShape->u32Height;
648	}
649
650	if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
651	{
652	Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
653	cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
654	return VERR_INVALID_PARAMETER;
655	}
656
657	/* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
658	pCtx->mouseShapeInfo.fSet = true;
659	pCtx->mouseShapeInfo.fVisible = fVisible;
660	pCtx->mouseShapeInfo.fAlpha = fAlpha;
661	if (fShape)
662	{
663	/* Data related to shape. */
664	pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
665	pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
666	pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
667	pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
668
669	/* Reallocate memory buffer if necessary. */
670	if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
671	{
672	RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
673	pCtx->mouseShapeInfo.pu8Shape = NULL;
674	pCtx->mouseShapeInfo.cbShape = 0;
675
676	uint8_t pu8Shape = (uint8_t )RTMemAlloc (cbPointerData);
677	if (pu8Shape)
678	{
679	pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
680	pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
681	}
682	}
683
684	/* Copy shape bitmaps. */
685	if (pCtx->mouseShapeInfo.pu8Shape)
686	{
687	memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
688	pCtx->mouseShapeInfo.cbShape = cbPointerData;
689	}
690	}
691
692	if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
693	{
694	return VERR_NOT_SUPPORTED;
695	}
696
697	int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
698
699	return rc;
700	}
701
702	static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT pCtx, const void pvBuffer)
703	{
704	/* Check which view contains the buffer. */
705	HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
706
707	if (offBuffer != HGSMIOFFSET_VOID)
708	{
709	unsigned uScreenId;
710
711	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
712	{
713	VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
714
715	if ( pView->u32ViewSize > 0
716	&& pView->u32ViewOffset <= offBuffer
717	&& offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
718	{
719	return pView->u32ViewIndex;
720	}
721	}
722	}
723
724	return ~0U;
725	}
726
727	#ifdef DEBUG_sunlover
728	static void dumpctx(const VBVACONTEXT *pCtx)
729	{
730	Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
731
732	uint32_t iView;
733	for (iView = 0; iView < pCtx->cViews; iView++)
734	{
735	const VBVAVIEW *pView = &pCtx->aViews[iView];
736
737	Log((" view %d o 0x%x s 0x%x m 0x%x\n",
738	pView->view.u32ViewIndex,
739	pView->view.u32ViewOffset,
740	pView->view.u32ViewSize,
741	pView->view.u32MaxScreenSize));
742
743	Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
744	pView->screen.u32ViewIndex,
745	pView->screen.i32OriginX,
746	pView->screen.i32OriginY,
747	pView->screen.u32StartOffset,
748	pView->screen.u32LineSize,
749	pView->screen.u32Width,
750	pView->screen.u32Height,
751	pView->screen.u16BitsPerPixel,
752	pView->screen.u16Flags));
753
754	Log((" VBVA o 0x%x p %p\n",
755	pView->u32VBVAOffset,
756	pView->pVBVA));
757
758	Log((" PR cb 0x%x p %p\n",
759	pView->partialRecord.cb,
760	pView->partialRecord.pu8));
761	}
762
763	dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
764	}
765	#endif /* DEBUG_sunlover */
766
767	#define VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC 0x12345678
768	#define VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC 0x9abcdef0
769
770	#ifdef VBOX_WITH_VIDEOHWACCEL
771	static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay)
772	{
773	memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
774	pHdr->cRefs = 1;
775	pHdr->iDisplay = iDisplay;
776	pHdr->rc = VERR_NOT_IMPLEMENTED;
777	pHdr->enmCmd = enmCmd;
778	pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
779	}
780
781	static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd)
782	{
783	VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAllocZ(cbCmd + VBOXVHWACMD_HEADSIZE());
784	Assert(pHdr);
785	if (pHdr)
786	vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay);
787
788	return pHdr;
789	}
790
791	DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
792	{
793	uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
794	if(!cRefs)
795	{
796	RTMemFree(pCmd);
797	}
798	}
799
800	DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
801	{
802	ASMAtomicIncU32(&pCmd->cRefs);
803	}
804
805	static void vbvaVHWACommandComplete(PVGASTATE pVGAState, PVBOXVHWACMD pCommand, bool fAsyncCommand)
806	{
807	if (fAsyncCommand)
808	{
809	Assert(pCommand->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
810	vbvaVHWACommandCompleteAsync(&pVGAState->IVBVACallbacks, pCommand);
811	}
812	else
813	{
814	Log(("VGA Command <<< Sync rc %d %#p, %d\n", pCommand->rc, pCommand, pCommand->enmCmd));
815	pCommand->Flags &= (~VBOXVHWACMD_FLAG_HG_ASYNCH);
816	}
817
818	}
819
820	static void vbvaVHWACommandCompleteAllPending(PVGASTATE pVGAState, int rc)
821	{
822	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
823	return;
824
825	VBOX_VHWA_PENDINGCMD pIter, pNext;
826
827	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
828
829	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
830	{
831	pIter->pCommand->rc = rc;
832	vbvaVHWACommandComplete(pVGAState, pIter->pCommand, true);
833
834	/* the command is submitted/processed, remove from the pend list */
835	RTListNodeRemove(&pIter->Node);
836	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
837	RTMemFree(pIter);
838	}
839
840	PDMCritSectLeave(&pVGAState->CritSect);
841	}
842
843	static void vbvaVHWACommandClearAllPending(PVGASTATE pVGAState)
844	{
845	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
846	return;
847
848	VBOX_VHWA_PENDINGCMD pIter, pNext;
849
850	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
851
852	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
853	{
854	RTListNodeRemove(&pIter->Node);
855	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
856	RTMemFree(pIter);
857	}
858
859	PDMCritSectLeave(&pVGAState->CritSect);
860	}
861
862	static void vbvaVHWACommandPend(PVGASTATE pVGAState, PVBOXVHWACMD pCommand)
863	{
864	int rc = VERR_BUFFER_OVERFLOW;
865
866	if (ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS)
867	{
868	VBOX_VHWA_PENDINGCMD pPend = (VBOX_VHWA_PENDINGCMD)RTMemAlloc(sizeof (*pPend));
869	if (pPend)
870	{
871	pCommand->Flags \|= VBOXVHWACMD_FLAG_HG_ASYNCH;
872	pPend->pCommand = pCommand;
873	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
874	if (ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS)
875	{
876	RTListAppend(&pVGAState->pendingVhwaCommands.PendingList, &pPend->Node);
877	ASMAtomicIncU32(&pVGAState->pendingVhwaCommands.cPending);
878	PDMCritSectLeave(&pVGAState->CritSect);
879	return;
880	}
881	PDMCritSectLeave(&pVGAState->CritSect);
882	LogRel(("Pending command count has reached its threshold.. completing them all.."));
883	RTMemFree(pPend);
884	}
885	else
886	rc = VERR_NO_MEMORY;
887	}
888	else
889	LogRel(("Pending command count has reached its threshold, completing them all.."));
890
891	vbvaVHWACommandCompleteAllPending(pVGAState, rc);
892
893	pCommand->rc = rc;
894
895	vbvaVHWACommandComplete(pVGAState, pCommand, false);
896	}
897
898	static bool vbvaVHWACommandCanPend(PVBOXVHWACMD pCommand)
899	{
900	switch (pCommand->enmCmd)
901	{
902	case VBOXVHWACMD_TYPE_HH_CONSTRUCT:
903	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN:
904	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND:
905	case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM:
906	case VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM:
907	return false;
908	default:
909	return true;
910	}
911	}
912
913	static int vbvaVHWACommandSavePending(PVGASTATE pVGAState, PSSMHANDLE pSSM)
914	{
915	int rc = SSMR3PutU32(pSSM, pVGAState->pendingVhwaCommands.cPending);
916	AssertRCReturn(rc, rc);
917	VBOX_VHWA_PENDINGCMD *pIter;
918	RTListForEach(&pVGAState->pendingVhwaCommands.PendingList, pIter, VBOX_VHWA_PENDINGCMD, Node)
919	{
920	rc = SSMR3PutU32(pSSM, (uint32_t)(((uint8_t)pIter->pCommand) - ((uint8_t)pVGAState->vram_ptrR3)));
921	AssertRCReturn(rc, rc);
922	}
923	return rc;
924	}
925
926	static int vbvaVHWACommandLoadPending(PVGASTATE pVGAState, PSSMHANDLE pSSM, uint32_t u32Version)
927	{
928	if (u32Version < VGA_SAVEDSTATE_VERSION_WITH_PENDVHWA)
929	return VINF_SUCCESS;
930
931	int rc;
932	uint32_t u32;
933	rc = SSMR3GetU32(pSSM, &u32);
934	AssertRCReturn(rc, rc);
935	for (uint32_t i = 0; i < u32; ++i)
936	{
937	uint32_t off32;
938	rc = SSMR3GetU32(pSSM, &off32);
939	AssertRCReturn(rc, rc);
940	PVBOXVHWACMD pCommand = (PVBOXVHWACMD)(((uint8_t*)pVGAState->vram_ptrR3) + off32);
941	vbvaVHWACommandPend(pVGAState, pCommand);
942	}
943	return rc;
944	}
945
946
947	static bool vbvaVHWACommandSubmit(PVGASTATE pVGAState, PVBOXVHWACMD pCommand, bool fAsyncCommand)
948	{
949	unsigned id = (unsigned)pCommand->iDisplay;
950	bool fPend = false;
951
952	if (pVGAState->pDrv->pfnVHWACommandProcess)
953	{
954	Log(("VGA Command >>> %#p, %d\n", pCommand, pCommand->enmCmd));
955	int rc = pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCommand);
956	if (rc == VINF_CALLBACK_RETURN)
957	{
958	Log(("VGA Command --- Going Async %#p, %d\n", pCommand, pCommand->enmCmd));
959	return true; /* command will be completed asynchronously, return right away */
960	}
961	else if (rc == VERR_INVALID_STATE)
962	{
963	Log(("VGA Command --- Trying Pend %#p, %d\n", pCommand, pCommand->enmCmd));
964	fPend = vbvaVHWACommandCanPend(pCommand);
965	if (!fPend)
966	{
967	Log(("VGA Command --- Can NOT Pend %#p, %d\n", pCommand, pCommand->enmCmd));
968	pCommand->rc = rc;
969	}
970	else
971	Log(("VGA Command --- Can Pend %#p, %d\n", pCommand, pCommand->enmCmd));
972	}
973	else
974	{
975	Log(("VGA Command --- Going Complete Sync rc %d %#p, %d\n", rc, pCommand, pCommand->enmCmd));
976	pCommand->rc = rc;
977	}
978
979	/* the command was completed, take a special care about it (seee below) */
980	}
981	else
982	{
983	AssertFailed();
984	pCommand->rc = VERR_INVALID_STATE;
985	}
986
987	if (fPend)
988	return false;
989
990	vbvaVHWACommandComplete(pVGAState, pCommand, fAsyncCommand);
991
992	return true;
993	}
994
995	static bool vbvaVHWACheckPendingCommands(PVGASTATE pVGAState)
996	{
997	if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
998	return true;
999
1000	VBOX_VHWA_PENDINGCMD pIter, pNext;
1001
1002	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
1003
1004	RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
1005	{
1006	if (!vbvaVHWACommandSubmit(pVGAState, pIter->pCommand, true))
1007	{
1008	PDMCritSectLeave(&pVGAState->CritSect);
1009	return false; /* the command should be pended still */
1010	}
1011
1012	/* the command is submitted/processed, remove from the pend list */
1013	RTListNodeRemove(&pIter->Node);
1014	ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
1015	RTMemFree(pIter);
1016	}
1017
1018	PDMCritSectLeave(&pVGAState->CritSect);
1019
1020	return true;
1021	}
1022
1023	void vbvaTimerCb(PVGASTATE pVGAState)
1024	{
1025	vbvaVHWACheckPendingCommands(pVGAState);
1026	}
1027	static void vbvaVHWAHandleCommand(PVGASTATE pVGAState, PVBOXVHWACMD pCmd)
1028	{
1029	if (vbvaVHWACheckPendingCommands(pVGAState))
1030	{
1031	if (vbvaVHWACommandSubmit(pVGAState, pCmd, false))
1032	return;
1033	}
1034
1035	vbvaVHWACommandPend(pVGAState, pCmd);
1036	}
1037
1038	static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
1039	{
1040	RTSemEventSignal((RTSEMEVENT)pContext);
1041	}
1042
1043	static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
1044	{
1045	RTSEMEVENT hComplEvent;
1046	int rc = RTSemEventCreate(&hComplEvent);
1047	AssertRC(rc);
1048	if(RT_SUCCESS(rc))
1049	{
1050	/* ensure the cmd is not deleted until we process it */
1051	vbvaVHWAHHCommandRetain (pCmd);
1052	VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
1053	vbvaVHWAHandleCommand(pVGAState, pCmd);
1054	if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
1055	{
1056	rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
1057	}
1058	else
1059	{
1060	/* the command is completed */
1061	}
1062
1063	AssertRC(rc);
1064	if(RT_SUCCESS(rc))
1065	{
1066	RTSemEventDestroy(hComplEvent);
1067	}
1068	vbvaVHWAHHCommandRelease(pCmd);
1069	}
1070	return rc;
1071	}
1072
1073	int vbvaVHWAConstruct (PVGASTATE pVGAState)
1074	{
1075	pVGAState->pendingVhwaCommands.cPending = 0;
1076	RTListInit(&pVGAState->pendingVhwaCommands.PendingList);
1077
1078	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1079	Assert(pCmd);
1080	if(pCmd)
1081	{
1082	uint32_t iDisplay = 0;
1083	int rc = VINF_SUCCESS;
1084	VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
1085
1086	do
1087	{
1088	memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1089
1090	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1091	PVM pVM = PDMDevHlpGetVM(pDevIns);
1092
1093	pBody->pVM = pVM;
1094	pBody->pvVRAM = pVGAState->vram_ptrR3;
1095	pBody->cbVRAM = pVGAState->vram_size;
1096
1097	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1098	AssertRC(rc);
1099	if(RT_SUCCESS(rc))
1100	{
1101	rc = pCmd->rc;
1102	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1103	if(rc == VERR_NOT_IMPLEMENTED)
1104	{
1105	/* @todo: set some flag in pVGAState indicating VHWA is not supported */
1106	/* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
1107	rc = VINF_SUCCESS;
1108	}
1109
1110	if (!RT_SUCCESS(rc))
1111	break;
1112	}
1113	else
1114	break;
1115
1116	++iDisplay;
1117	if (iDisplay >= pVGAState->cMonitors)
1118	break;
1119	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay);
1120	} while (true);
1121
1122	vbvaVHWAHHCommandRelease(pCmd);
1123
1124	return rc;
1125	}
1126	return VERR_OUT_OF_RESOURCES;
1127	}
1128
1129	int vbvaVHWAReset (PVGASTATE pVGAState)
1130	{
1131	vbvaVHWACommandClearAllPending(pVGAState);
1132
1133	/* ensure we have all pending cmds processed and h->g cmds disabled */
1134	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0);
1135	Assert(pCmd);
1136	if(pCmd)
1137	{
1138	int rc = VINF_SUCCESS;
1139	uint32_t iDisplay = 0;
1140
1141	do
1142	{
1143	rc =vbvaVHWAHHCommandPost(pVGAState, pCmd);
1144	AssertRC(rc);
1145	if(RT_SUCCESS(rc))
1146	{
1147	rc = pCmd->rc;
1148	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1149	if (rc == VERR_NOT_IMPLEMENTED)
1150	rc = VINF_SUCCESS;
1151	}
1152
1153	if (!RT_SUCCESS(rc))
1154	break;
1155
1156	++iDisplay;
1157	if (iDisplay >= pVGAState->cMonitors)
1158	break;
1159	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay);
1160
1161	} while (true);
1162
1163	vbvaVHWAHHCommandRelease(pCmd);
1164
1165	return rc;
1166	}
1167	return VERR_OUT_OF_RESOURCES;
1168	}
1169
1170	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPRECB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext);
1171	typedef FNVBOXVHWAHHCMDPRECB *PFNVBOXVHWAHHCMDPRECB;
1172
1173	typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPOSTCB(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext);
1174	typedef FNVBOXVHWAHHCMDPOSTCB *PFNVBOXVHWAHHCMDPOSTCB;
1175
1176	int vbvaVHWAHHPost(PVGASTATE pVGAState, VBOXVHWACMD pCmd, PFNVBOXVHWAHHCMDPRECB pfnPre, PFNVBOXVHWAHHCMDPOSTCB pfnPost, void pvContext)
1177	{
1178	const VBOXVHWACMD_TYPE enmType = pCmd->enmCmd;
1179	int rc = VINF_SUCCESS;
1180	uint32_t iDisplay = 0;
1181
1182	do
1183	{
1184	if (!pfnPre \|\| pfnPre(pVGAState, pCmd, iDisplay, pvContext))
1185	{
1186	rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1187	AssertRC(rc);
1188	if (pfnPost)
1189	{
1190	if (!pfnPost(pVGAState, pCmd, iDisplay, rc, pvContext))
1191	{
1192	rc = VINF_SUCCESS;
1193	break;
1194	}
1195	rc = VINF_SUCCESS;
1196	}
1197	else if(RT_SUCCESS(rc))
1198	{
1199	rc = pCmd->rc;
1200	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1201	if(rc == VERR_NOT_IMPLEMENTED)
1202	{
1203	rc = VINF_SUCCESS;
1204	}
1205	}
1206
1207	if (!RT_SUCCESS(rc))
1208	break;
1209	}
1210
1211	++iDisplay;
1212	if (iDisplay >= pVGAState->cMonitors)
1213	break;
1214	vbvaVHWAHHCommandReinit(pCmd, enmType, (int32_t)iDisplay);
1215	} while (true);
1216
1217	return rc;
1218	}
1219
1220	/* @todo call this also on reset? */
1221	int vbvaVHWAEnable (PVGASTATE pVGAState, bool bEnable)
1222	{
1223	const VBOXVHWACMD_TYPE enmType = bEnable ? VBOXVHWACMD_TYPE_HH_ENABLE : VBOXVHWACMD_TYPE_HH_DISABLE;
1224	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState,
1225	enmType,
1226	0, 0);
1227	Assert(pCmd);
1228	if(pCmd)
1229	{
1230	int rc = vbvaVHWAHHPost (pVGAState, pCmd, NULL, NULL, NULL);
1231	vbvaVHWAHHCommandRelease(pCmd);
1232	return rc;
1233	}
1234	return VERR_OUT_OF_RESOURCES;
1235	}
1236
1237	int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1238	{
1239	/* ensure we have no pending commands */
1240	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), false);
1241	}
1242
1243	int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1244	{
1245	/* ensure we have no pending commands */
1246	return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), true);
1247	}
1248
1249	int vbvaVHWACommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1250	{
1251	int rc;
1252	Log(("VGA Command <<< Async rc %d %#p, %d\n", pCmd->rc, pCmd, pCmd->enmCmd));
1253
1254	if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1255	{
1256	PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1257	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1258
1259	Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1260	#ifdef VBOX_WITH_WDDM
1261	if (pVGAState->fGuestCaps & VBVACAPS_COMPLETEGCMD_BY_IOREAD)
1262	{
1263	rc = HGSMICompleteGuestCommand(pIns, pCmd, !!(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ));
1264	AssertRC(rc);
1265	}
1266	else
1267	#endif
1268	{
1269	VBVAHOSTCMD *pHostCmd;
1270	int32_t iDisplay = pCmd->iDisplay;
1271
1272	if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1273	{
1274	rc = HGSMIHostCommandAlloc (pIns,
1275	(void**)&pHostCmd,
1276	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1277	HGSMI_CH_VBVA,
1278	VBVAHG_EVENT);
1279	AssertRC(rc);
1280	if(RT_SUCCESS(rc))
1281	{
1282	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1283	pHostCmd->iDstID = pCmd->iDisplay;
1284	pHostCmd->customOpCode = 0;
1285	VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1286	pBody->pEvent = pCmd->GuestVBVAReserved1;
1287	}
1288	}
1289	else
1290	{
1291	HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1292	Assert(offCmd != HGSMIOFFSET_VOID);
1293	if(offCmd != HGSMIOFFSET_VOID)
1294	{
1295	rc = HGSMIHostCommandAlloc (pIns,
1296	(void**)&pHostCmd,
1297	VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1298	HGSMI_CH_VBVA,
1299	VBVAHG_DISPLAY_CUSTOM);
1300	AssertRC(rc);
1301	if(RT_SUCCESS(rc))
1302	{
1303	memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1304	pHostCmd->iDstID = pCmd->iDisplay;
1305	pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1306	VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1307	pBody->offCmd = offCmd;
1308	}
1309	}
1310	else
1311	{
1312	rc = VERR_INVALID_PARAMETER;
1313	}
1314	}
1315
1316	if(RT_SUCCESS(rc))
1317	{
1318	rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1319	AssertRC(rc);
1320	if(RT_SUCCESS(rc))
1321	{
1322	return rc;
1323	}
1324	HGSMIHostCommandFree (pIns, pHostCmd);
1325	}
1326	}
1327	}
1328	else
1329	{
1330	PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1331	if(pfn)
1332	{
1333	pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1334	}
1335	rc = VINF_SUCCESS;
1336	}
1337	return rc;
1338	}
1339
1340	typedef struct VBOXVBVASAVEDSTATECBDATA
1341	{
1342	PSSMHANDLE pSSM;
1343	int rc;
1344	bool ab2DOn[VBOX_VIDEO_MAX_SCREENS];
1345	} VBOXVBVASAVEDSTATECBDATA, *PVBOXVBVASAVEDSTATECBDATA;
1346
1347	static DECLCALLBACK(bool) vboxVBVASaveStateBeginPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1348	{
1349	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1350	if (RT_FAILURE(pData->rc))
1351	return false;
1352	if (RT_FAILURE(rc))
1353	{
1354	pData->rc = rc;
1355	return false;
1356	}
1357
1358	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1359	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1360	{
1361	pData->rc = VERR_INVALID_PARAMETER;
1362	return false;
1363	}
1364
1365	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1366	if (RT_SUCCESS(pCmd->rc))
1367	{
1368	pData->ab2DOn[iDisplay] = true;
1369	}
1370	else if (pCmd->rc != VERR_NOT_IMPLEMENTED)
1371	{
1372	pData->rc = pCmd->rc;
1373	return false;
1374	}
1375
1376	return true;
1377	}
1378
1379	static DECLCALLBACK(bool) vboxVBVASaveStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1380	{
1381	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1382	if (RT_FAILURE(pData->rc))
1383	return false;
1384
1385	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1386	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1387	{
1388	pData->rc = VERR_INVALID_PARAMETER;
1389	return false;
1390	}
1391
1392	int rc;
1393
1394	if (pData->ab2DOn[iDisplay])
1395	{
1396	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC); AssertRC(rc);
1397	if (RT_FAILURE(rc))
1398	{
1399	pData->rc = rc;
1400	return false;
1401	}
1402	return true;
1403	}
1404
1405	rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRC(rc);
1406	if (RT_FAILURE(rc))
1407	{
1408	pData->rc = rc;
1409	return false;
1410	}
1411
1412	return false;
1413	}
1414
1415	static DECLCALLBACK(bool) vboxVBVASaveStateEndPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1416	{
1417	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1418	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1419	if (pData->ab2DOn[iDisplay])
1420	{
1421	return true;
1422	}
1423
1424	return false;
1425	}
1426
1427	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPostCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, int rc, void pvContext)
1428	{
1429	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1430	if (RT_FAILURE(pData->rc))
1431	return false;
1432	if (RT_FAILURE(rc))
1433	{
1434	pData->rc = rc;
1435	return false;
1436	}
1437
1438	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1439	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1440	{
1441	pData->rc = VERR_INVALID_PARAMETER;
1442	return false;
1443	}
1444
1445	Assert(RT_SUCCESS(pCmd->rc) \|\| pCmd->rc == VERR_NOT_IMPLEMENTED);
1446	if (pCmd->rc == VERR_NOT_IMPLEMENTED)
1447	{
1448	pData->rc = SSMR3SkipToEndOfUnit(pData->pSSM);
1449	AssertRC(pData->rc);
1450	return false;
1451	}
1452	if (RT_FAILURE(pCmd->rc))
1453	{
1454	pData->rc = pCmd->rc;
1455	return false;
1456	}
1457
1458	return true;
1459	}
1460
1461	static DECLCALLBACK(bool) vboxVBVALoadStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD pCmd, uint32_t iDisplay, void pvContext)
1462	{
1463	PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1464	if (RT_FAILURE(pData->rc))
1465	return false;
1466
1467	Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1468	if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1469	{
1470	pData->rc = VERR_INVALID_PARAMETER;
1471	return false;
1472	}
1473
1474	int rc;
1475	uint32_t u32;
1476	rc = SSMR3GetU32(pData->pSSM, &u32); AssertRC(rc);
1477	if (RT_FAILURE(rc))
1478	{
1479	pData->rc = rc;
1480	return false;
1481	}
1482
1483	switch (u32)
1484	{
1485	case VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC:
1486	pData->ab2DOn[iDisplay] = true;
1487	return true;
1488	case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC:
1489	pData->ab2DOn[iDisplay] = false;
1490	return false;
1491	default:
1492	pData->rc = VERR_INVALID_STATE;
1493	return false;
1494	}
1495	}
1496	#endif /* #ifdef VBOX_WITH_VIDEOHWACCEL */
1497
1498	int vboxVBVASaveDevStateExec (PVGASTATE pVGAState, PSSMHANDLE pSSM)
1499	{
1500	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1501	int rc = HGSMIHostSaveStateExec (pIns, pSSM);
1502	if (RT_SUCCESS(rc))
1503	{
1504	/* Save VBVACONTEXT. */
1505	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1506
1507	if (!pCtx)
1508	{
1509	AssertFailed();
1510
1511	/* Still write a valid value to the SSM. */
1512	rc = SSMR3PutU32 (pSSM, 0);
1513	AssertRCReturn(rc, rc);
1514	}
1515	else
1516	{
1517	#ifdef DEBUG_sunlover
1518	dumpctx(pCtx);
1519	#endif
1520
1521	rc = SSMR3PutU32 (pSSM, pCtx->cViews);
1522	AssertRCReturn(rc, rc);
1523
1524	uint32_t iView;
1525	for (iView = 0; iView < pCtx->cViews; iView++)
1526	{
1527	VBVAVIEW *pView = &pCtx->aViews[iView];
1528
1529	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
1530	AssertRCReturn(rc, rc);
1531	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
1532	AssertRCReturn(rc, rc);
1533	rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
1534	AssertRCReturn(rc, rc);
1535	rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
1536	AssertRCReturn(rc, rc);
1537
1538	rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
1539	AssertRCReturn(rc, rc);
1540	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
1541	AssertRCReturn(rc, rc);
1542	rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
1543	AssertRCReturn(rc, rc);
1544	rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
1545	AssertRCReturn(rc, rc);
1546	rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
1547	AssertRCReturn(rc, rc);
1548	rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
1549	AssertRCReturn(rc, rc);
1550	rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
1551	AssertRCReturn(rc, rc);
1552	rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
1553	AssertRCReturn(rc, rc);
1554	rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
1555	AssertRCReturn(rc, rc);
1556
1557	rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
1558	AssertRCReturn(rc, rc);
1559
1560	rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
1561	AssertRCReturn(rc, rc);
1562
1563	if (pView->partialRecord.cb > 0)
1564	{
1565	rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1566	AssertRCReturn(rc, rc);
1567	}
1568	}
1569
1570	/* Save mouse pointer shape information. */
1571	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
1572	AssertRCReturn(rc, rc);
1573	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
1574	AssertRCReturn(rc, rc);
1575	rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
1576	AssertRCReturn(rc, rc);
1577	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
1578	AssertRCReturn(rc, rc);
1579	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
1580	AssertRCReturn(rc, rc);
1581	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
1582	AssertRCReturn(rc, rc);
1583	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
1584	AssertRCReturn(rc, rc);
1585	rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
1586	AssertRCReturn(rc, rc);
1587	if (pCtx->mouseShapeInfo.cbShape)
1588	{
1589	rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1590	AssertRCReturn(rc, rc);
1591	}
1592
1593	#ifdef VBOX_WITH_WDDM
1594	/* Size of some additional data. For future extensions. */
1595	rc = SSMR3PutU32 (pSSM, 4);
1596	AssertRCReturn(rc, rc);
1597	rc = SSMR3PutU32 (pSSM, pVGAState->fGuestCaps);
1598	AssertRCReturn(rc, rc);
1599	#else
1600	/* Size of some additional data. For future extensions. */
1601	rc = SSMR3PutU32 (pSSM, 0);
1602	AssertRCReturn(rc, rc);
1603	#endif
1604	rc = SSMR3PutU32 (pSSM, RT_ELEMENTS(pCtx->aModeHints));
1605	AssertRCReturn(rc, rc);
1606	rc = SSMR3PutU32 (pSSM, sizeof(VBVAMODEHINT));
1607	AssertRCReturn(rc, rc);
1608	for (unsigned i = 0; i < RT_ELEMENTS(pCtx->aModeHints); ++i)
1609	{
1610	rc = SSMR3PutMem (pSSM, pCtx->aModeHints[i],
1611	sizeof(VBVAMODEHINT));
1612	AssertRCReturn(rc, rc);
1613	}
1614	}
1615	}
1616
1617	return rc;
1618	}
1619
1620	int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1621	{
1622	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1623	int rc;
1624	#ifdef VBOX_WITH_VIDEOHWACCEL
1625	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1626	VhwaData.pSSM = pSSM;
1627	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); /* maximum cmd size */
1628	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd);
1629	Assert(pCmd);
1630	if(pCmd)
1631	{
1632	vbvaVHWAHHPost (pVGAState, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData);
1633	rc = VhwaData.rc;
1634	AssertRC(rc);
1635	if (RT_SUCCESS(rc))
1636	{
1637	#endif
1638	rc = vboxVBVASaveDevStateExec (pVGAState, pSSM);
1639	AssertRC(rc);
1640	#ifdef VBOX_WITH_VIDEOHWACCEL
1641	if (RT_SUCCESS(rc))
1642	{
1643	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM, 0);
1644	VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM *pSave = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM);
1645	pSave->pSSM = pSSM;
1646	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData);
1647	rc = VhwaData.rc;
1648	AssertRC(rc);
1649	if (RT_SUCCESS(rc))
1650	{
1651	rc = vbvaVHWACommandSavePending(pVGAState, pSSM);
1652	AssertRCReturn(rc, rc);
1653
1654	vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0);
1655	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStateEndPreCb, NULL, &VhwaData);
1656	rc = VhwaData.rc;
1657	AssertRC(rc);
1658	}
1659	}
1660	}
1661
1662	vbvaVHWAHHCommandRelease(pCmd);
1663	}
1664	else
1665	rc = VERR_OUT_OF_RESOURCES;
1666	#else
1667	if (RT_SUCCESS(rc))
1668	{
1669	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1670	{
1671	rc = SSMR3PutU32 (pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC);
1672	AssertRCReturn(rc, rc);
1673	}
1674	}
1675
1676	/* no pending commands */
1677	SSMR3PutU32(pSSM, 0);
1678	#endif
1679	return rc;
1680	}
1681
1682	int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
1683	{
1684	if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
1685	{
1686	/* Nothing was saved. */
1687	return VINF_SUCCESS;
1688	}
1689
1690	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1691	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1692	int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
1693	if (RT_SUCCESS(rc))
1694	{
1695	/* Load VBVACONTEXT. */
1696	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1697
1698	if (!pCtx)
1699	{
1700	/* This should not happen. */
1701	AssertFailed();
1702	rc = VERR_INVALID_PARAMETER;
1703	}
1704	else
1705	{
1706	uint32_t cViews = 0;
1707	rc = SSMR3GetU32 (pSSM, &cViews);
1708	AssertRCReturn(rc, rc);
1709
1710	uint32_t iView;
1711	for (iView = 0; iView < cViews; iView++)
1712	{
1713	VBVAVIEW *pView = &pCtx->aViews[iView];
1714
1715	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
1716	AssertRCReturn(rc, rc);
1717	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
1718	AssertRCReturn(rc, rc);
1719	rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
1720	AssertRCReturn(rc, rc);
1721	rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
1722	AssertRCReturn(rc, rc);
1723
1724	rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
1725	AssertRCReturn(rc, rc);
1726	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
1727	AssertRCReturn(rc, rc);
1728	rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
1729	AssertRCReturn(rc, rc);
1730	rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
1731	AssertRCReturn(rc, rc);
1732	rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
1733	AssertRCReturn(rc, rc);
1734	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
1735	AssertRCReturn(rc, rc);
1736	rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
1737	AssertRCReturn(rc, rc);
1738	rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
1739	AssertRCReturn(rc, rc);
1740	rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
1741	AssertRCReturn(rc, rc);
1742
1743	rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
1744	AssertRCReturn(rc, rc);
1745
1746	rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
1747	AssertRCReturn(rc, rc);
1748
1749	if (pView->partialRecord.cb == 0)
1750	{
1751	pView->partialRecord.pu8 = NULL;
1752	}
1753	else
1754	{
1755	Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
1756
1757	uint8_t pu8 = (uint8_t )RTMemAlloc (pView->partialRecord.cb);
1758
1759	if (!pu8)
1760	{
1761	return VERR_NO_MEMORY;
1762	}
1763
1764	pView->partialRecord.pu8 = pu8;
1765
1766	rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1767	AssertRCReturn(rc, rc);
1768	}
1769
1770	if (pView->u32VBVAOffset == HGSMIOFFSET_VOID)
1771	{
1772	pView->pVBVA = NULL;
1773	}
1774	else
1775	{
1776	pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
1777	}
1778	}
1779
1780	if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
1781	{
1782	/* Read mouse pointer shape information. */
1783	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
1784	AssertRCReturn(rc, rc);
1785	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
1786	AssertRCReturn(rc, rc);
1787	rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
1788	AssertRCReturn(rc, rc);
1789	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
1790	AssertRCReturn(rc, rc);
1791	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
1792	AssertRCReturn(rc, rc);
1793	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
1794	AssertRCReturn(rc, rc);
1795	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
1796	AssertRCReturn(rc, rc);
1797	rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
1798	AssertRCReturn(rc, rc);
1799	if (pCtx->mouseShapeInfo.cbShape)
1800	{
1801	pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
1802	if (pCtx->mouseShapeInfo.pu8Shape == NULL)
1803	{
1804	return VERR_NO_MEMORY;
1805	}
1806	pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
1807	rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1808	AssertRCReturn(rc, rc);
1809	}
1810	else
1811	{
1812	pCtx->mouseShapeInfo.pu8Shape = NULL;
1813	}
1814
1815	/* Size of some additional data. For future extensions. */
1816	uint32_t cbExtra = 0;
1817	rc = SSMR3GetU32 (pSSM, &cbExtra);
1818	AssertRCReturn(rc, rc);
1819	#ifdef VBOX_WITH_WDDM
1820	if (cbExtra >= 4)
1821	{
1822	rc = SSMR3GetU32 (pSSM, &pVGAState->fGuestCaps);
1823	AssertRCReturn(rc, rc);
1824	cbExtra -= 4;
1825	}
1826	#endif
1827	if (cbExtra > 0)
1828	{
1829	rc = SSMR3Skip(pSSM, cbExtra);
1830	AssertRCReturn(rc, rc);
1831	}
1832	}
1833
1834	pCtx->cViews = iView;
1835	LogFlowFunc(("%d views loaded\n", pCtx->cViews));
1836
1837	if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM)
1838	{
1839	bool fLoadCommands;
1840
1841	if (u32Version < VGA_SAVEDSTATE_VERSION_FIXED_PENDVHWA)
1842	{
1843	const char *pcszOsArch = SSMR3HandleHostOSAndArch(pSSM);
1844	Assert(pcszOsArch);
1845	fLoadCommands = !pcszOsArch \|\| RTStrNCmp(pcszOsArch, RT_STR_TUPLE("solaris"));
1846	}
1847	else
1848	fLoadCommands = true;
1849
1850	#ifdef VBOX_WITH_VIDEOHWACCEL
1851	uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */
1852	VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd);
1853	Assert(pCmd);
1854	if(pCmd)
1855	{
1856	VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1857	VhwaData.pSSM = pSSM;
1858	VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM);
1859	pLoad->pSSM = pSSM;
1860	vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData);
1861	rc = VhwaData.rc;
1862	vbvaVHWAHHCommandRelease(pCmd);
1863	AssertRCReturn(rc, rc);
1864
1865	if (fLoadCommands)
1866	{
1867	rc = vbvaVHWACommandLoadPending(pVGAState, pSSM, u32Version);
1868	AssertRCReturn(rc, rc);
1869	}
1870	}
1871	else
1872	{
1873	rc = VERR_OUT_OF_RESOURCES;
1874	}
1875	#else
1876	uint32_t u32;
1877
1878	for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1879	{
1880	rc = SSMR3GetU32(pSSM, &u32);
1881	AssertRCReturn(rc, rc);
1882
1883	if (u32 != VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC)
1884	{
1885	LogRel(("2D data while 2D is not supported\n"));
1886	return VERR_NOT_SUPPORTED;
1887	}
1888	}
1889
1890	if (fLoadCommands)
1891	{
1892	rc = SSMR3GetU32(pSSM, &u32);
1893	AssertRCReturn(rc, rc);
1894
1895	if (u32)
1896	{
1897	LogRel(("2D pending command while 2D is not supported\n"));
1898	return VERR_NOT_SUPPORTED;
1899	}
1900	}
1901	#endif
1902	}
1903
1904	#ifdef DEBUG_sunlover
1905	dumpctx(pCtx);
1906	#endif
1907	}
1908	}
1909
1910	return rc;
1911	}
1912
1913	int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1914	{
1915	PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1916	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
1917
1918	if (pCtx)
1919	{
1920	uint32_t iView;
1921	for (iView = 0; iView < pCtx->cViews; iView++)
1922	{
1923	VBVAVIEW *pView = &pCtx->aViews[iView];
1924
1925	if (pView->pVBVA)
1926	{
1927	#ifdef VBOX_WITH_CRHGSMI
1928	Assert(!vboxCmdVBVAIsEnabled(pVGAState));
1929	#endif
1930	vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset, true /* fRestored */);
1931	vbvaResize (pVGAState, pView, &pView->screen);
1932	}
1933	}
1934
1935	if (pCtx->mouseShapeInfo.fSet)
1936	{
1937	vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1938	}
1939	}
1940
1941	return VINF_SUCCESS;
1942	}
1943
1944	void VBVARaiseIrq (PVGASTATE pVGAState, uint32_t fFlags)
1945	{
1946	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1947	PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
1948
1949	HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ \| fFlags);
1950	PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1951
1952	PDMCritSectLeave(&pVGAState->CritSect);
1953	}
1954
1955	static DECLCALLBACK(int) vbvaRaiseIrqEMT(PVGASTATE pVGAState, uint32_t fFlags)
1956	{
1957	VBVARaiseIrq(pVGAState, fFlags);
1958	return VINF_SUCCESS;
1959	}
1960
1961	void VBVARaiseIrqNoWait(PVGASTATE pVGAState, uint32_t fFlags)
1962	{
1963	/* we can not use PDMDevHlpPCISetIrqNoWait here, because we need to set IRG host flag and raise IRQ atomically,
1964	* otherwise there might be a situation, when:
1965	* 1. Flag is set
1966	* 2. guest issues an IRQ clean request, that cleans up the flag and the interrupt
1967	* 3. IRQ is set */
1968	VMR3ReqCallNoWait(PDMDevHlpGetVM(pVGAState->pDevInsR3), VMCPUID_ANY, (PFNRT)vbvaRaiseIrqEMT, 2, pVGAState, fFlags);
1969	}
1970
1971	int VBVAInfoView(PVGASTATE pVGAState, VBVAINFOVIEW *pView)
1972	{
1973	LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1974	pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1975
1976	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1977	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1978
1979	/* @todo verify view data. */
1980	if (pView->u32ViewIndex >= pCtx->cViews)
1981	{
1982	Log(("View index too large %d!!!\n",
1983	pView->u32ViewIndex));
1984	return VERR_INVALID_PARAMETER;
1985	}
1986
1987	pCtx->aViews[pView->u32ViewIndex].view = *pView;
1988
1989	return VINF_SUCCESS;
1990	}
1991
1992	int VBVAInfoScreen(PVGASTATE pVGAState, VBVAINFOSCREEN *pScreen)
1993	{
1994	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1995	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
1996	VBVAINFOVIEW *pView = &pCtx->aViews[pScreen->u32ViewIndex].view;
1997	/* Calculate the offset of the end of the screen so we can make
1998	* sure it is inside the view. I assume that screen rollover is not
1999	* implemented. */
2000	int64_t offEnd = (int64_t)pScreen->u32Height * pScreen->u32LineSize
2001	+ pScreen->u32Width + pScreen->u32StartOffset;
2002	LogRel(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
2003	pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
2004	pScreen->u32Width, pScreen->u32Height,
2005	pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
2006
2007	if ( pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews)
2008	&& pScreen->u16BitsPerPixel <= 32
2009	&& pScreen->u32Width <= UINT16_MAX
2010	&& pScreen->u32Height <= UINT16_MAX
2011	&& pScreen->u32LineSize <= UINT16_MAX * 4
2012	&& offEnd < pView->u32MaxScreenSize)
2013	{
2014	vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
2015	return VINF_SUCCESS;
2016	}
2017
2018	LogRelFlow(("VBVA_INFO_SCREEN [%lu]: bad data: %lux%lu, line 0x%lx, BPP %u, start offset %lu, max screen size %lu\n",
2019	(unsigned long)pScreen->u32ViewIndex,
2020	(unsigned long)pScreen->u32Width,
2021	(unsigned long)pScreen->u32Height,
2022	(unsigned long)pScreen->u32LineSize,
2023	(unsigned long)pScreen->u16BitsPerPixel,
2024	(unsigned long)pScreen->u32StartOffset,
2025	(unsigned long)pView->u32MaxScreenSize));
2026	return VERR_INVALID_PARAMETER;
2027	}
2028
2029	int VBVAGetInfoViewAndScreen(PVGASTATE pVGAState, uint32_t u32ViewIndex, VBVAINFOVIEW pView, VBVAINFOSCREEN pScreen)
2030	{
2031	if (u32ViewIndex >= pVGAState->cMonitors)
2032	return VERR_INVALID_PARAMETER;
2033
2034	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
2035	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
2036
2037	if (pView)
2038	*pView = pCtx->aViews[u32ViewIndex].view;
2039
2040	if (pScreen)
2041	*pScreen = pCtx->aViews[u32ViewIndex].screen;
2042
2043	return VINF_SUCCESS;
2044	}
2045
2046
2047	/*
2048	*
2049	* New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
2050	*
2051	* VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
2052	* Read Write
2053	* Host port 0x3b0 to process completed
2054	* Guest port 0x3d0 control value? to process
2055	*
2056	*/
2057
2058	static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
2059	{
2060	#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) \|\| defined(VBOX_WITH_VDMA) \|\| defined(VBOX_WITH_WDDM))
2061	PVGASTATE pVGAState = (PVGASTATE)pvCallback;
2062	VBVARaiseIrqNoWait (pVGAState, 0);
2063	#else
2064	NOREF(pvCallback);
2065	/* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
2066	#endif
2067	}
2068
2069	/* The guest submitted a buffer. @todo Verify all guest data. */
2070	static DECLCALLBACK(int) vbvaChannelHandler (void pvHandler, uint16_t u16ChannelInfo, void pvBuffer, HGSMISIZE cbBuffer)
2071	{
2072	int rc = VINF_SUCCESS;
2073
2074	LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
2075	pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
2076
2077	PVGASTATE pVGAState = (PVGASTATE)pvHandler;
2078	PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
2079	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pIns);
2080
2081	switch (u16ChannelInfo)
2082	{
2083	case VBVA_CMDVBVA_SUBMIT:
2084	{
2085	# ifdef VBOX_WITH_CRHGSMI
2086	rc = vboxCmdVBVACmdSubmit(pVGAState);
2087	#endif
2088	break;
2089	}
2090	case VBVA_CMDVBVA_FLUSH:
2091	{
2092	# ifdef VBOX_WITH_CRHGSMI
2093	rc =vboxCmdVBVACmdFlush(pVGAState);
2094	#endif
2095	break;
2096	}
2097	case VBVA_CMDVBVA_CTL:
2098	{
2099	#ifdef VBOX_WITH_CRHGSMI
2100	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXCMDVBVA_CTL))
2101	{
2102	Log(("buffer too small\n"));
2103	#ifdef DEBUG_misha
2104	AssertMsgFailed(("buffer too small\n"));
2105	#endif
2106	rc = VERR_INVALID_PARAMETER;
2107	break;
2108	}
2109	VBOXCMDVBVA_CTL pCtl = (VBOXCMDVBVA_CTL)VBoxSHGSMIBufferData((PVBOXSHGSMIHEADER)pvBuffer);
2110	rc = vboxCmdVBVACmdCtl(pVGAState, pCtl, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2111	#endif
2112	break;
2113	}
2114	#ifdef VBOX_WITH_VDMA
2115	case VBVA_VDMA_CMD:
2116	{
2117	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMACBUF_DR))
2118	{
2119	rc = VERR_INVALID_PARAMETER;
2120	break;
2121	}
2122	PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
2123	vboxVDMACommand(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2124	rc = VINF_SUCCESS;
2125	break;
2126	}
2127	case VBVA_VDMA_CTL:
2128	{
2129	if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMA_CTL))
2130	{
2131	rc = VERR_INVALID_PARAMETER;
2132	break;
2133	}
2134	PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
2135	vboxVDMAControl(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
2136	rc = VINF_SUCCESS;
2137	break;
2138	}
2139	#endif
2140	case VBVA_QUERY_CONF32:
2141	{
2142	if (cbBuffer < sizeof (VBVACONF32))
2143	{
2144	rc = VERR_INVALID_PARAMETER;
2145	break;
2146	}
2147
2148	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
2149	LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
2150	pConf32->u32Index, pConf32->u32Value));
2151
2152	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
2153	{
2154	pConf32->u32Value = pCtx->cViews;
2155	}
2156	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
2157	{
2158	/* @todo a value calculated from the vram size */
2159	pConf32->u32Value = 64*_1K;
2160	}
2161	else if (pConf32->u32Index == VBOX_VBVA_CONF32_MODE_HINT_REPORTING)
2162	{
2163	pConf32->u32Value = VINF_SUCCESS;
2164	}
2165	else
2166	{
2167	Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
2168	pConf32->u32Index));
2169	rc = VERR_INVALID_PARAMETER;
2170	}
2171	} break;
2172
2173	case VBVA_SET_CONF32:
2174	{
2175	if (cbBuffer < sizeof (VBVACONF32))
2176	{
2177	rc = VERR_INVALID_PARAMETER;
2178	break;
2179	}
2180
2181	VBVACONF32 pConf32 = (VBVACONF32 )pvBuffer;
2182	LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
2183	pConf32->u32Index, pConf32->u32Value));
2184
2185	if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
2186	{
2187	/* do nothing. this is a const. */
2188	}
2189	else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
2190	{
2191	/* do nothing. this is a const. */
2192	}
2193	else
2194	{
2195	Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
2196	pConf32->u32Index));
2197	rc = VERR_INVALID_PARAMETER;
2198	}
2199	} break;
2200
2201	case VBVA_INFO_VIEW:
2202	{
2203	#ifdef VBOX_WITH_CRHGSMI
2204	if (vboxCmdVBVAIsEnabled(pVGAState))
2205	{
2206	AssertMsgFailed(("VBVA_INFO_VIEW is not acceptible for CmdVbva\n"));
2207	rc = VERR_INVALID_PARAMETER;
2208	break;
2209	}
2210	#endif
2211
2212	if (cbBuffer < sizeof (VBVAINFOVIEW))
2213	{
2214	rc = VERR_INVALID_PARAMETER;
2215	break;
2216	}
2217
2218	/* Guest submits an array of VBVAINFOVIEW structures. */
2219	VBVAINFOVIEW pView = (VBVAINFOVIEW )pvBuffer;
2220
2221	for (;
2222	cbBuffer >= sizeof (VBVAINFOVIEW);
2223	pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
2224	{
2225	VBVAINFOVIEW View = *pView;
2226	rc = VBVAInfoView(pVGAState, &View);
2227	if (RT_FAILURE(rc))
2228	break;
2229	}
2230	} break;
2231
2232	case VBVA_INFO_HEAP:
2233	{
2234	if (cbBuffer < sizeof (VBVAINFOHEAP))
2235	{
2236	rc = VERR_INVALID_PARAMETER;
2237	break;
2238	}
2239
2240	VBVAINFOHEAP pHeap = (VBVAINFOHEAP )pvBuffer;
2241	LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
2242	pHeap->u32HeapOffset, pHeap->u32HeapSize));
2243
2244	rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
2245	} break;
2246
2247	case VBVA_FLUSH:
2248	{
2249	if (cbBuffer < sizeof (VBVAFLUSH))
2250	{
2251	rc = VERR_INVALID_PARAMETER;
2252	break;
2253	}
2254
2255	VBVAFLUSH pFlush = (VBVAFLUSH )pvBuffer;
2256	LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
2257	pFlush->u32Reserved));
2258
2259	rc = vbvaFlush (pVGAState, pCtx);
2260	} break;
2261
2262	case VBVA_INFO_SCREEN:
2263	{
2264	if (cbBuffer < sizeof (VBVAINFOSCREEN))
2265	{
2266	rc = VERR_INVALID_PARAMETER;
2267	break;
2268	}
2269
2270	#ifdef VBOX_WITH_CRHGSMI
2271	if (vboxCmdVBVAIsEnabled(pVGAState))
2272	{
2273	AssertMsgFailed(("VBVA_INFO_SCREEN is not acceptible for CmdVbva\n"));
2274	rc = VERR_INVALID_PARAMETER;
2275	break;
2276	}
2277	#endif
2278
2279	VBVAINFOSCREEN pScreen = (VBVAINFOSCREEN )pvBuffer;
2280	VBVAINFOSCREEN Screen = *pScreen;
2281	rc = VBVAInfoScreen(pVGAState, &Screen);
2282	} break;
2283
2284	case VBVA_ENABLE:
2285	{
2286	#ifdef VBOX_WITH_CRHGSMI
2287	if (vboxCmdVBVAIsEnabled(pVGAState))
2288	{
2289	AssertMsgFailed(("VBVA_ENABLE is not acceptible for CmdVbva\n"));
2290	rc = VERR_INVALID_PARAMETER;
2291	break;
2292	}
2293	#endif
2294
2295	if (cbBuffer < sizeof (VBVAENABLE))
2296	{
2297	rc = VERR_INVALID_PARAMETER;
2298	break;
2299	}
2300
2301	VBVAENABLE pEnable = (VBVAENABLE )pvBuffer;
2302	unsigned uScreenId;
2303	if (pEnable->u32Flags & VBVA_F_EXTENDED)
2304	{
2305	if (cbBuffer < sizeof (VBVAENABLE_EX))
2306	{
2307	rc = VERR_INVALID_PARAMETER;
2308	break;
2309	}
2310
2311	VBVAENABLE_EX pEnableEx = (VBVAENABLE_EX )pvBuffer;
2312	uScreenId = pEnableEx->u32ScreenId;
2313	}
2314	else
2315	{
2316	uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
2317	}
2318
2319	if (uScreenId == ~0U)
2320	{
2321	rc = VERR_INVALID_PARAMETER;
2322	break;
2323	}
2324
2325	LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
2326	uScreenId, pEnable->u32Flags, pEnable->u32Offset));
2327
2328	if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_ENABLE)
2329	{
2330	/* Guest reported offset relative to view. */
2331	uint32_t u32Offset = pEnable->u32Offset;
2332	if (!(pEnable->u32Flags & VBVA_F_ABSOFFSET))
2333	{
2334	u32Offset += pCtx->aViews[uScreenId].view.u32ViewOffset;
2335	}
2336
2337	VBVABUFFER pVBVA = (VBVABUFFER )HGSMIOffsetToPointerHost (pIns, u32Offset);
2338
2339	if (pVBVA)
2340	{
2341	/* Process any pending orders and empty the VBVA ring buffer. */
2342	vbvaFlush (pVGAState, pCtx);
2343
2344	rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset, false /* fRestored */);
2345	}
2346	else
2347	{
2348	Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
2349	pEnable->u32Offset));
2350	rc = VERR_INVALID_PARAMETER;
2351	}
2352	}
2353	else if ((pEnable->u32Flags & (VBVA_F_ENABLE \| VBVA_F_DISABLE)) == VBVA_F_DISABLE)
2354	{
2355	rc = vbvaDisable (uScreenId, pVGAState, pCtx);
2356	}
2357	else
2358	{
2359	Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
2360	pEnable->u32Flags));
2361	rc = VERR_INVALID_PARAMETER;
2362	}
2363
2364	pEnable->i32Result = rc;
2365	} break;
2366
2367	case VBVA_MOUSE_POINTER_SHAPE:
2368	{
2369	if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
2370	{
2371	rc = VERR_INVALID_PARAMETER;
2372	break;
2373	}
2374
2375	VBVAMOUSEPOINTERSHAPE pShape = (VBVAMOUSEPOINTERSHAPE )pvBuffer;
2376
2377	LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
2378	pShape->i32Result,
2379	pShape->fu32Flags,
2380	pShape->u32HotX,
2381	pShape->u32HotY,
2382	pShape->u32Width,
2383	pShape->u32Height));
2384
2385	rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
2386
2387	pShape->i32Result = rc;
2388	} break;
2389
2390
2391	#ifdef VBOX_WITH_VIDEOHWACCEL
2392	case VBVA_VHWA_CMD:
2393	{
2394	if (cbBuffer < sizeof (VBOXVHWACMD))
2395	{
2396	rc = VERR_INVALID_PARAMETER;
2397	break;
2398	}
2399	vbvaVHWAHandleCommand(pVGAState, (PVBOXVHWACMD)pvBuffer);
2400	rc = VINF_SUCCESS;
2401	break;
2402	} break;
2403	#endif
2404
2405	#ifdef VBOX_WITH_WDDM
2406	case VBVA_INFO_CAPS:
2407	{
2408	if (cbBuffer < sizeof (VBVACAPS))
2409	{
2410	rc = VERR_INVALID_PARAMETER;
2411	break;
2412	}
2413
2414	VBVACAPS pCaps = (VBVACAPS)pvBuffer;
2415	pVGAState->fGuestCaps = pCaps->fCaps;
2416	pVGAState->pDrv->pfnVBVAGuestCapabilityUpdate(pVGAState->pDrv,
2417	pCaps->fCaps);
2418	pCaps->rc = VINF_SUCCESS;
2419	} break;
2420	#endif
2421	case VBVA_SCANLINE_CFG:
2422	{
2423	if (cbBuffer < sizeof (VBVASCANLINECFG))
2424	{
2425	rc = VERR_INVALID_PARAMETER;
2426	break;
2427	}
2428
2429	VBVASCANLINECFG pCfg = (VBVASCANLINECFG)pvBuffer;
2430	pVGAState->fScanLineCfg = pCfg->fFlags;
2431	pCfg->rc = VINF_SUCCESS;
2432	} break;
2433
2434	case VBVA_QUERY_MODE_HINTS:
2435	{
2436	if (cbBuffer < sizeof(VBVAQUERYMODEHINTS))
2437	{
2438	rc = VERR_INVALID_PARAMETER;
2439	break;
2440	}
2441	VBVAQUERYMODEHINTS pModeHintQuery = (VBVAQUERYMODEHINTS)pvBuffer;
2442	LogRelFlowFunc(("VBVA_QUERY_MODE_HINTS: cHintsQueried=%u, cbHintStructureGuest=%u\n",
2443	(unsigned)pModeHintQuery->cHintsQueried,
2444	(unsigned)pModeHintQuery->cbHintStructureGuest));
2445	if (cbBuffer < sizeof (VBVAQUERYMODEHINTS)
2446	+ (uint64_t)pModeHintQuery->cHintsQueried
2447	* pModeHintQuery->cbHintStructureGuest)
2448	{
2449	pModeHintQuery->rc = VERR_INVALID_PARAMETER;
2450	break;
2451	}
2452	pModeHintQuery->rc = VINF_SUCCESS;
2453	uint8_t pbHint = (uint8_t )pvBuffer + sizeof(VBVAQUERYMODEHINTS);
2454	memset(pbHint, ~0, cbBuffer - sizeof(VBVAQUERYMODEHINTS));
2455	unsigned iHint;
2456	for (iHint = 0; iHint < pModeHintQuery->cHintsQueried && iHint < 64;
2457	++iHint)
2458	{
2459	memcpy(pbHint, &pCtx->aModeHints[iHint],
2460	RT_MIN(pModeHintQuery->cbHintStructureGuest,
2461	sizeof(VBVAMODEHINT)));
2462	pbHint += pModeHintQuery->cbHintStructureGuest;
2463	Assert(pbHint - (uint8_t *)pvBuffer <= cbBuffer);
2464	}
2465	} break;
2466
2467	default:
2468	Log(("Unsupported VBVA guest command %d!!!\n",
2469	u16ChannelInfo));
2470	break;
2471	}
2472
2473	return rc;
2474	}
2475
2476	/* When VBVA is paused, then VGA device is allowed to work but
2477	* no HGSMI etc state is changed.
2478	*/
2479	void VBVAPause(PVGASTATE pVGAState, bool fPause)
2480	{
2481	if (!pVGAState \|\| !pVGAState->pHGSMI)
2482	{
2483	return;
2484	}
2485
2486	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pVGAState->pHGSMI);
2487
2488	if (pCtx)
2489	{
2490	pCtx->fPaused = fPause;
2491	}
2492	}
2493
2494	void VBVAReset (PVGASTATE pVGAState)
2495	{
2496	if (!pVGAState \|\| !pVGAState->pHGSMI)
2497	{
2498	return;
2499	}
2500
2501	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2502
2503	#ifdef VBOX_WITH_VIDEOHWACCEL
2504	vbvaVHWAReset (pVGAState);
2505	#endif
2506
2507	uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
2508	if(HgFlags & HGSMIHOSTFLAGS_IRQ)
2509	{
2510	/* this means the IRQ is LEVEL_HIGH, need to reset it */
2511	PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
2512	}
2513
2514	if (pCtx)
2515	{
2516	vbvaFlush (pVGAState, pCtx);
2517
2518	unsigned uScreenId;
2519
2520	for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
2521	{
2522	vbvaDisable (uScreenId, pVGAState, pCtx);
2523	}
2524
2525	pCtx->mouseShapeInfo.fSet = false;
2526	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2527	pCtx->mouseShapeInfo.pu8Shape = NULL;
2528	pCtx->mouseShapeInfo.cbAllocated = 0;
2529	pCtx->mouseShapeInfo.cbShape = 0;
2530	}
2531
2532	}
2533
2534	int VBVAUpdateDisplay (PVGASTATE pVGAState)
2535	{
2536	int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
2537
2538	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2539
2540	if (pCtx)
2541	{
2542	if (!pCtx->fPaused)
2543	{
2544	rc = vbvaFlush (pVGAState, pCtx);
2545
2546	if (RT_SUCCESS (rc))
2547	{
2548	if (!pCtx->aViews[0].pVBVA)
2549	{
2550	/* VBVA is not enabled for the first view, so VGA device must do updates. */
2551	rc = VERR_NOT_SUPPORTED;
2552	}
2553	}
2554	}
2555	}
2556
2557	return rc;
2558	}
2559
2560	static int vbvaSendModeHintWorker(PVGASTATE pThis, uint32_t cx, uint32_t cy,
2561	uint32_t cBPP, uint32_t iDisplay, uint32_t dx,
2562	uint32_t dy, uint32_t fEnabled,
2563	uint32_t fNotifyGuest)
2564	{
2565	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext(pThis->pHGSMI);
2566	/** @note See Display::setVideoModeHint: "It is up to the guest to decide
2567	* whether the hint is valid. Therefore don't do any VRAM sanity checks
2568	* here! */
2569	if (iDisplay > RT_MIN(pThis->cMonitors, RT_ELEMENTS(pCtx->aModeHints)))
2570	return VERR_OUT_OF_RANGE;
2571	pCtx->aModeHints[iDisplay].magic = VBVAMODEHINT_MAGIC;
2572	pCtx->aModeHints[iDisplay].cx = cx;
2573	pCtx->aModeHints[iDisplay].cy = cy;
2574	pCtx->aModeHints[iDisplay].cBPP = cBPP;
2575	pCtx->aModeHints[iDisplay].dx = dx;
2576	pCtx->aModeHints[iDisplay].dy = dy;
2577	pCtx->aModeHints[iDisplay].fEnabled = fEnabled;
2578	if (fNotifyGuest && pThis->fGuestCaps & VBVACAPS_IRQ)
2579	VBVARaiseIrq(pThis, HGSMIHOSTFLAGS_HOTPLUG);
2580	return VINF_SUCCESS;
2581	}
2582
2583	/** Converts a display port interface pointer to a vga state pointer. */
2584	#define IDISPLAYPORT_2_VGASTATE(pInterface) ( (PVGASTATE)((uintptr_t)pInterface - RT_OFFSETOF(VGASTATE, IPort)) )
2585
2586	DECLCALLBACK(int) vbvaPortSendModeHint(PPDMIDISPLAYPORT pInterface, uint32_t cx,
2587	uint32_t cy, uint32_t cBPP,
2588	uint32_t iDisplay, uint32_t dx,
2589	uint32_t dy, uint32_t fEnabled,
2590	uint32_t fNotifyGuest)
2591	{
2592	PVGASTATE pThis;
2593	int rc;
2594
2595	pThis = IDISPLAYPORT_2_VGASTATE(pInterface);
2596	rc = PDMCritSectEnter(&pThis->CritSect, VERR_SEM_BUSY);
2597	AssertRC(rc);
2598	rc = vbvaSendModeHintWorker(pThis, cx, cy, cBPP, iDisplay, dx, dy, fEnabled,
2599	fNotifyGuest);
2600	PDMCritSectLeave(&pThis->CritSect);
2601	return rc;
2602	}
2603
2604	static HGSMICHANNELHANDLER sOldChannelHandler;
2605
2606	int VBVAInit (PVGASTATE pVGAState)
2607	{
2608	PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
2609
2610	PVM pVM = PDMDevHlpGetVM(pDevIns);
2611
2612	int rc = HGSMICreate (&pVGAState->pHGSMI,
2613	pVM,
2614	"VBVA",
2615	0,
2616	pVGAState->vram_ptrR3,
2617	pVGAState->vram_size,
2618	vbvaNotifyGuest,
2619	pVGAState,
2620	sizeof (VBVACONTEXT));
2621
2622	if (RT_SUCCESS (rc))
2623	{
2624	rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
2625	HGSMI_CH_VBVA,
2626	vbvaChannelHandler,
2627	pVGAState,
2628	&sOldChannelHandler);
2629	if (RT_SUCCESS (rc))
2630	{
2631	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2632	pCtx->cViews = pVGAState->cMonitors;
2633	pCtx->fPaused = true;
2634	memset(pCtx->aModeHints, ~0, sizeof(*pCtx->aModeHints));
2635	}
2636	}
2637
2638	return rc;
2639
2640	}
2641
2642	void VBVADestroy (PVGASTATE pVGAState)
2643	{
2644	VBVACONTEXT pCtx = (VBVACONTEXT )HGSMIContext (pVGAState->pHGSMI);
2645
2646	if (pCtx)
2647	{
2648	pCtx->mouseShapeInfo.fSet = false;
2649	RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2650	pCtx->mouseShapeInfo.pu8Shape = NULL;
2651	pCtx->mouseShapeInfo.cbAllocated = 0;
2652	pCtx->mouseShapeInfo.cbShape = 0;
2653	}
2654
2655	HGSMIDestroy (pVGAState->pHGSMI);
2656	pVGAState->pHGSMI = NULL;
2657	}

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 53528

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