VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 45733

Last change on this file since 45733 was 44876, checked in by vboxsync, 12 years ago

DevVGA: Drop the default crit sect in favour of our own (now called CritSect instead of lock). s -> pThis (didn't mean to combine these changes, but I started doing things in the wrong order and suddenly had no choice).
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  • Property svn:keywords set to Author Date Id Revision
File size: 68.2 KB
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1/* $Id: DevVGA_VBVA.cpp 44876 2013-02-28 20:56:09Z vboxsync $ */
2/** @file
3 * VirtualBox Video Acceleration (VBVA).
4 */
5
6/*
7 * Copyright (C) 2006-2013 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18/*******************************************************************************
19* Header Files *
20*******************************************************************************/
21#define LOG_GROUP LOG_GROUP_DEV_VGA
22#include <VBox/vmm/pdmifs.h>
23#include <VBox/vmm/pdmdev.h>
24#include <VBox/vmm/pgm.h>
25#include <VBox/vmm/ssm.h>
26#include <VBox/VMMDev.h>
27#include <VBox/VBoxVideo.h>
28#include <iprt/alloc.h>
29#include <iprt/assert.h>
30#include <iprt/asm.h>
31#include <iprt/string.h>
32#include <iprt/param.h>
33#ifdef VBOX_WITH_VIDEOHWACCEL
34#include <iprt/semaphore.h>
35#endif
36
37#include "DevVGA.h"
38
39/* A very detailed logging. */
40#if 0 // def DEBUG_sunlover
41#define LOGVBVABUFFER(a) LogFlow(a)
42#else
43#define LOGVBVABUFFER(a) do {} while (0)
44#endif
45
46/*******************************************************************************
47* Structures and Typedefs *
48*******************************************************************************/
49typedef struct VBVAPARTIALRECORD
50{
51 uint8_t *pu8;
52 uint32_t cb;
53} VBVAPARTIALRECORD;
54
55typedef struct VBVAVIEW
56{
57 VBVAINFOVIEW view;
58 VBVAINFOSCREEN screen;
59 VBVABUFFER *pVBVA;
60 uint32_t u32VBVAOffset;
61 VBVAPARTIALRECORD partialRecord;
62} VBVAVIEW;
63
64typedef 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 */
79typedef struct VBVACONTEXT
80{
81 uint32_t cViews;
82 VBVAVIEW aViews[64 /* @todo SchemaDefs::MaxGuestMonitors*/];
83 VBVAMOUSESHAPEINFO mouseShapeInfo;
84} VBVACONTEXT;
85
86
87
88/** Copies @a cb bytes from the VBVA ring buffer to the @a pu8Dst.
89 * Used for partial records or for records which cross the ring boundary.
90 */
91static void vbvaFetchBytes (VBVABUFFER *pVBVA, uint8_t *pu8Dst, uint32_t cb)
92{
93 /** @todo replace the 'if' with an assert. The caller must ensure this condition. */
94 if (cb >= pVBVA->cbData)
95 {
96 AssertMsgFailed (("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVA->cbData));
97 return;
98 }
99
100 const uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
101 const uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
102 const int32_t i32Diff = cb - u32BytesTillBoundary;
103
104 if (i32Diff <= 0)
105 {
106 /* Chunk will not cross buffer boundary. */
107 memcpy (pu8Dst, src, cb);
108 }
109 else
110 {
111 /* Chunk crosses buffer boundary. */
112 memcpy (pu8Dst, src, u32BytesTillBoundary);
113 memcpy (pu8Dst + u32BytesTillBoundary, &pVBVA->au8Data[0], i32Diff);
114 }
115
116 /* Advance data offset. */
117 pVBVA->off32Data = (pVBVA->off32Data + cb) % pVBVA->cbData;
118
119 return;
120}
121
122
123static bool vbvaPartialRead (VBVAPARTIALRECORD *pPartialRecord, uint32_t cbRecord, VBVABUFFER *pVBVA)
124{
125 uint8_t *pu8New;
126
127 LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
128 pPartialRecord->pu8, pPartialRecord->cb, cbRecord));
129
130 if (pPartialRecord->pu8)
131 {
132 Assert (pPartialRecord->cb);
133 pu8New = (uint8_t *)RTMemRealloc (pPartialRecord->pu8, cbRecord);
134 }
135 else
136 {
137 Assert (!pPartialRecord->cb);
138 pu8New = (uint8_t *)RTMemAlloc (cbRecord);
139 }
140
141 if (!pu8New)
142 {
143 /* Memory allocation failed, fail the function. */
144 Log(("vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
145 cbRecord));
146
147 if (pPartialRecord->pu8)
148 {
149 RTMemFree (pPartialRecord->pu8);
150 }
151
152 pPartialRecord->pu8 = NULL;
153 pPartialRecord->cb = 0;
154
155 return false;
156 }
157
158 /* Fetch data from the ring buffer. */
159 vbvaFetchBytes (pVBVA, pu8New + pPartialRecord->cb, cbRecord - pPartialRecord->cb);
160
161 pPartialRecord->pu8 = pu8New;
162 pPartialRecord->cb = cbRecord;
163
164 return true;
165}
166
167/* For contiguous chunks just return the address in the buffer.
168 * For crossing boundary - allocate a buffer from heap.
169 */
170static bool vbvaFetchCmd (VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA, VBVACMDHDR **ppHdr, uint32_t *pcbCmd)
171{
172 uint32_t indexRecordFirst = pVBVA->indexRecordFirst;
173 uint32_t indexRecordFree = pVBVA->indexRecordFree;
174
175 LOGVBVABUFFER(("first = %d, free = %d\n",
176 indexRecordFirst, indexRecordFree));
177
178 if (indexRecordFirst == indexRecordFree)
179 {
180 /* No records to process. Return without assigning output variables. */
181 return true;
182 }
183
184 uint32_t cbRecordCurrent = ASMAtomicReadU32(&pVBVA->aRecords[indexRecordFirst].cbRecord);
185
186 LOGVBVABUFFER(("cbRecord = 0x%08X, pPartialRecord->cb = 0x%08X\n", cbRecordCurrent, pPartialRecord->cb));
187
188 uint32_t cbRecord = cbRecordCurrent & ~VBVA_F_RECORD_PARTIAL;
189
190 if (pPartialRecord->cb)
191 {
192 /* There is a partial read in process. Continue with it. */
193 Assert (pPartialRecord->pu8);
194
195 LOGVBVABUFFER(("continue partial record cb = %d cbRecord 0x%08X, first = %d, free = %d\n",
196 pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
197
198 if (cbRecord > pPartialRecord->cb)
199 {
200 /* New data has been added to the record. */
201 if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
202 {
203 return false;
204 }
205 }
206
207 if (!(cbRecordCurrent & VBVA_F_RECORD_PARTIAL))
208 {
209 /* The record is completed by guest. Return it to the caller. */
210 *ppHdr = (VBVACMDHDR *)pPartialRecord->pu8;
211 *pcbCmd = pPartialRecord->cb;
212
213 pPartialRecord->pu8 = NULL;
214 pPartialRecord->cb = 0;
215
216 /* Advance the record index. */
217 pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
218
219 LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n",
220 pVBVA->off32Data, pVBVA->off32Free));
221 }
222
223 return true;
224 }
225
226 /* A new record need to be processed. */
227 if (cbRecordCurrent & VBVA_F_RECORD_PARTIAL)
228 {
229 /* Current record is being written by guest. '=' is important here,
230 * because the guest will do a FLUSH at this condition.
231 * This partial record is too large for the ring buffer and must
232 * be accumulated in an allocated buffer.
233 */
234 if (cbRecord >= pVBVA->cbData - pVBVA->cbPartialWriteThreshold)
235 {
236 /* Partial read must be started. */
237 if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
238 {
239 return false;
240 }
241
242 LOGVBVABUFFER(("started partial record cb = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
243 pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree));
244 }
245
246 return true;
247 }
248
249 /* Current record is complete. If it is not empty, process it. */
250 if (cbRecord)
251 {
252 /* The size of largest contiguous chunk in the ring biffer. */
253 uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
254
255 /* The pointer to data in the ring buffer. */
256 uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
257
258 /* Fetch or point the data. */
259 if (u32BytesTillBoundary >= cbRecord)
260 {
261 /* The command does not cross buffer boundary. Return address in the buffer. */
262 *ppHdr = (VBVACMDHDR *)src;
263
264 /* Advance data offset. */
265 pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
266 }
267 else
268 {
269 /* The command crosses buffer boundary. Rare case, so not optimized. */
270 uint8_t *dst = (uint8_t *)RTMemAlloc (cbRecord);
271
272 if (!dst)
273 {
274 LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
275 pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
276 return false;
277 }
278
279 vbvaFetchBytes (pVBVA, dst, cbRecord);
280
281 *ppHdr = (VBVACMDHDR *)dst;
282
283 LOGVBVABUFFER(("Allocated from heap %p\n", dst));
284 }
285 }
286
287 *pcbCmd = cbRecord;
288
289 /* Advance the record index. */
290 pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
291
292 LOGVBVABUFFER(("done ok, data = %d, free = %d\n",
293 pVBVA->off32Data, pVBVA->off32Free));
294
295 return true;
296}
297
298static void vbvaReleaseCmd (VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA, VBVACMDHDR *pHdr, uint32_t cbCmd)
299{
300 uint8_t *au8RingBuffer = &pVBVA->au8Data[0];
301
302 if ( (uint8_t *)pHdr >= au8RingBuffer
303 && (uint8_t *)pHdr < &au8RingBuffer[pVBVA->cbData])
304 {
305 /* The pointer is inside ring buffer. Must be continuous chunk. */
306 Assert (pVBVA->cbData - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
307
308 /* Do nothing. */
309
310 Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
311 }
312 else
313 {
314 /* The pointer is outside. It is then an allocated copy. */
315 LOGVBVABUFFER(("Free heap %p\n", pHdr));
316
317 if ((uint8_t *)pHdr == pPartialRecord->pu8)
318 {
319 pPartialRecord->pu8 = NULL;
320 pPartialRecord->cb = 0;
321 }
322 else
323 {
324 Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
325 }
326
327 RTMemFree (pHdr);
328 }
329
330 return;
331}
332
333static int vbvaFlushProcess (unsigned uScreenId, PVGASTATE pVGAState, VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA)
334{
335 LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
336 uScreenId, pVBVA->indexRecordFirst, pVBVA->indexRecordFree, pVBVA->off32Data, pVBVA->off32Free));
337 struct {
338 /* The rectangle that includes all dirty rectangles. */
339 int32_t xLeft;
340 int32_t xRight;
341 int32_t yTop;
342 int32_t yBottom;
343 } dirtyRect;
344 RT_ZERO(dirtyRect);
345
346 bool fUpdate = false; /* Whether there were any updates. */
347 bool fDirtyEmpty = true;
348
349 for (;;)
350 {
351 VBVACMDHDR *phdr = NULL;
352 uint32_t cbCmd = ~0;
353
354 /* Fetch the command data. */
355 if (!vbvaFetchCmd (pPartialRecord, pVBVA, &phdr, &cbCmd))
356 {
357 LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n",
358 pVBVA->off32Data, pVBVA->off32Free));
359
360 /* @todo old code disabled VBVA processing here. */
361 return VERR_NOT_SUPPORTED;
362 }
363
364 if (cbCmd == uint32_t(~0))
365 {
366 /* No more commands yet in the queue. */
367 break;
368 }
369
370 if (cbCmd != 0)
371 {
372 if (!fUpdate)
373 {
374 pVGAState->pDrv->pfnVBVAUpdateBegin (pVGAState->pDrv, uScreenId);
375 fUpdate = true;
376 }
377
378 /* Updates the rectangle and sends the command to the VRDP server. */
379 pVGAState->pDrv->pfnVBVAUpdateProcess (pVGAState->pDrv, uScreenId, phdr, cbCmd);
380
381 int32_t xRight = phdr->x + phdr->w;
382 int32_t yBottom = phdr->y + phdr->h;
383
384 /* These are global coords, relative to the primary screen. */
385
386 LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
387 cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
388 LogRel3(("%s: update command cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
389 __PRETTY_FUNCTION__, cbCmd, phdr->x, phdr->y, phdr->w,
390 phdr->h));
391
392 /* Collect all rects into one. */
393 if (fDirtyEmpty)
394 {
395 /* This is the first rectangle to be added. */
396 dirtyRect.xLeft = phdr->x;
397 dirtyRect.yTop = phdr->y;
398 dirtyRect.xRight = xRight;
399 dirtyRect.yBottom = yBottom;
400 fDirtyEmpty = false;
401 }
402 else
403 {
404 /* Adjust region coordinates. */
405 if (dirtyRect.xLeft > phdr->x)
406 {
407 dirtyRect.xLeft = phdr->x;
408 }
409
410 if (dirtyRect.yTop > phdr->y)
411 {
412 dirtyRect.yTop = phdr->y;
413 }
414
415 if (dirtyRect.xRight < xRight)
416 {
417 dirtyRect.xRight = xRight;
418 }
419
420 if (dirtyRect.yBottom < yBottom)
421 {
422 dirtyRect.yBottom = yBottom;
423 }
424 }
425 }
426
427 vbvaReleaseCmd (pPartialRecord, pVBVA, phdr, cbCmd);
428 }
429
430 if (fUpdate)
431 {
432 if (dirtyRect.xRight - dirtyRect.xLeft)
433 {
434 LogRel3(("%s: sending update screen=%d, x=%d, y=%d, w=%d, h=%d\n",
435 __PRETTY_FUNCTION__, uScreenId, dirtyRect.xLeft,
436 dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft,
437 dirtyRect.yBottom - dirtyRect.yTop));
438 pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop,
439 dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop);
440 }
441 else
442 {
443 pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, 0, 0, 0, 0);
444 }
445 }
446
447 return VINF_SUCCESS;
448}
449
450static int vbvaFlush (PVGASTATE pVGAState, VBVACONTEXT *pCtx)
451{
452 unsigned uScreenId;
453
454 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
455 {
456 VBVAPARTIALRECORD *pPartialRecord = &pCtx->aViews[uScreenId].partialRecord;
457 VBVABUFFER *pVBVA = pCtx->aViews[uScreenId].pVBVA;
458
459 if (pVBVA)
460 {
461 vbvaFlushProcess (uScreenId, pVGAState, pPartialRecord, pVBVA);
462 }
463 }
464
465 /* @todo rc */
466 return VINF_SUCCESS;
467}
468
469static int vbvaResize (PVGASTATE pVGAState, VBVAVIEW *pView, const VBVAINFOSCREEN *pNewScreen)
470{
471 /* Verify pNewScreen. */
472 /* @todo */
473
474 /* Apply these changes. */
475 pView->screen = *pNewScreen;
476
477 uint8_t *pu8VRAM = pVGAState->vram_ptrR3 + pView->view.u32ViewOffset;
478
479 int rc = pVGAState->pDrv->pfnVBVAResize (pVGAState->pDrv, &pView->view, &pView->screen, pu8VRAM);
480
481 /* @todo process VINF_VGA_RESIZE_IN_PROGRESS? */
482
483 return rc;
484}
485
486static int vbvaEnable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx, VBVABUFFER *pVBVA, uint32_t u32Offset, bool fRestored)
487{
488 /* @todo old code did a UpdateDisplayAll at this place. */
489
490 int rc;
491
492 if (pVGAState->pDrv->pfnVBVAEnable)
493 {
494 pVBVA->hostFlags.u32HostEvents = 0;
495 pVBVA->hostFlags.u32SupportedOrders = 0;
496
497 rc = pVGAState->pDrv->pfnVBVAEnable (pVGAState->pDrv, uScreenId, &pVBVA->hostFlags);
498 }
499 else
500 {
501 rc = VERR_NOT_SUPPORTED;
502 }
503
504 if (RT_SUCCESS (rc))
505 {
506 /* pVBVA->hostFlags has been set up by pfnVBVAEnable. */
507 LogFlowFunc(("u32HostEvents 0x%08X, u32SupportedOrders 0x%08X\n",
508 pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders));
509
510 if (!fRestored)
511 {
512 /* @todo Actually this function must not touch the partialRecord structure at all,
513 * because initially it is a zero and when VBVA is disabled this should be set to zero.
514 * But I'm not sure that no code depends on zeroing partialRecord here.
515 * So for now (a quick fix for 4.1) just do not do this if the VM was restored,
516 * when partialRecord might be loaded already from the saved state.
517 */
518 pCtx->aViews[uScreenId].partialRecord.pu8 = NULL;
519 pCtx->aViews[uScreenId].partialRecord.cb = 0;
520 }
521
522 pCtx->aViews[uScreenId].pVBVA = pVBVA;
523 pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset;
524 }
525
526 return rc;
527}
528
529static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx)
530{
531 /* Process any pending orders and empty the VBVA ring buffer. */
532 vbvaFlush (pVGAState, pCtx);
533
534 VBVAVIEW *pView = &pCtx->aViews[uScreenId];
535
536 if (pView->pVBVA)
537 {
538 pView->pVBVA->hostFlags.u32HostEvents = 0;
539 pView->pVBVA->hostFlags.u32SupportedOrders = 0;
540
541 pView->partialRecord.pu8 = NULL;
542 pView->partialRecord.cb = 0;
543
544 pView->pVBVA = NULL;
545 pView->u32VBVAOffset = HGSMIOFFSET_VOID;
546 }
547
548 pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
549 return VINF_SUCCESS;
550}
551
552bool VBVAIsEnabled(PVGASTATE pVGAState)
553{
554 PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI;
555 if (pHGSMI)
556 {
557 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pHGSMI);
558 if (pCtx)
559 {
560 if (pCtx->cViews)
561 {
562 VBVAVIEW * pView = &pCtx->aViews[0];
563 if (pView->pVBVA)
564 return true;
565 }
566 }
567 }
568 return false;
569}
570
571#ifdef DEBUG_sunlover
572void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
573{
574 LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
575 pMouseShapeInfo->fSet,
576 pMouseShapeInfo->fVisible,
577 pMouseShapeInfo->fAlpha,
578 pMouseShapeInfo->u32HotX,
579 pMouseShapeInfo->u32HotY,
580 pMouseShapeInfo->u32Width,
581 pMouseShapeInfo->u32Height,
582 pMouseShapeInfo->pu8Shape,
583 pMouseShapeInfo->cbShape,
584 pMouseShapeInfo->cbAllocated
585 ));
586}
587#endif
588
589static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO *pMouseShapeInfo, bool fShape, const uint8_t *pu8Shape)
590{
591 int rc;
592 LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
593 pVGAState, pMouseShapeInfo, fShape, pu8Shape));
594#ifdef DEBUG_sunlover
595 dumpMouseShapeInfo(pMouseShapeInfo);
596#endif
597
598 if (fShape && pu8Shape != NULL)
599 {
600 rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
601 pMouseShapeInfo->fVisible,
602 pMouseShapeInfo->fAlpha,
603 pMouseShapeInfo->u32HotX,
604 pMouseShapeInfo->u32HotY,
605 pMouseShapeInfo->u32Width,
606 pMouseShapeInfo->u32Height,
607 pu8Shape);
608 }
609 else
610 {
611 rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
612 pMouseShapeInfo->fVisible,
613 false,
614 0, 0,
615 0, 0,
616 NULL);
617 }
618
619 return rc;
620}
621
622static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT *pCtx, const VBVAMOUSEPOINTERSHAPE *pShape, HGSMISIZE cbShape)
623{
624 bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
625 bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
626 bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
627
628 HGSMISIZE cbPointerData = 0;
629
630 if (fShape)
631 {
632 cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
633 + pShape->u32Width * 4 * pShape->u32Height;
634 }
635
636 if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
637 {
638 Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
639 cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
640 return VERR_INVALID_PARAMETER;
641 }
642
643 /* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
644 pCtx->mouseShapeInfo.fSet = true;
645 pCtx->mouseShapeInfo.fVisible = fVisible;
646 pCtx->mouseShapeInfo.fAlpha = fAlpha;
647 if (fShape)
648 {
649 /* Data related to shape. */
650 pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
651 pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
652 pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
653 pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
654
655 /* Reallocate memory buffer if necessary. */
656 if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
657 {
658 RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
659 pCtx->mouseShapeInfo.pu8Shape = NULL;
660 pCtx->mouseShapeInfo.cbShape = 0;
661
662 uint8_t *pu8Shape = (uint8_t *)RTMemAlloc (cbPointerData);
663 if (pu8Shape)
664 {
665 pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
666 pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
667 }
668 }
669
670 /* Copy shape bitmaps. */
671 if (pCtx->mouseShapeInfo.pu8Shape)
672 {
673 memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
674 pCtx->mouseShapeInfo.cbShape = cbPointerData;
675 }
676 }
677
678 if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
679 {
680 return VERR_NOT_SUPPORTED;
681 }
682
683 int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
684
685 return rc;
686}
687
688static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT *pCtx, const void *pvBuffer)
689{
690 /* Check which view contains the buffer. */
691 HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
692
693 if (offBuffer != HGSMIOFFSET_VOID)
694 {
695 unsigned uScreenId;
696
697 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
698 {
699 VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
700
701 if ( pView->u32ViewSize > 0
702 && pView->u32ViewOffset <= offBuffer
703 && offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
704 {
705 return pView->u32ViewIndex;
706 }
707 }
708 }
709
710 return ~0U;
711}
712
713#ifdef DEBUG_sunlover
714static void dumpctx(const VBVACONTEXT *pCtx)
715{
716 Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
717
718 uint32_t iView;
719 for (iView = 0; iView < pCtx->cViews; iView++)
720 {
721 const VBVAVIEW *pView = &pCtx->aViews[iView];
722
723 Log((" view %d o 0x%x s 0x%x m 0x%x\n",
724 pView->view.u32ViewIndex,
725 pView->view.u32ViewOffset,
726 pView->view.u32ViewSize,
727 pView->view.u32MaxScreenSize));
728
729 Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
730 pView->screen.u32ViewIndex,
731 pView->screen.i32OriginX,
732 pView->screen.i32OriginY,
733 pView->screen.u32StartOffset,
734 pView->screen.u32LineSize,
735 pView->screen.u32Width,
736 pView->screen.u32Height,
737 pView->screen.u16BitsPerPixel,
738 pView->screen.u16Flags));
739
740 Log((" VBVA o 0x%x p %p\n",
741 pView->u32VBVAOffset,
742 pView->pVBVA));
743
744 Log((" PR cb 0x%x p %p\n",
745 pView->partialRecord.cb,
746 pView->partialRecord.pu8));
747 }
748
749 dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
750}
751#endif /* DEBUG_sunlover */
752
753#define VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC 0x12345678
754#define VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC 0x9abcdef0
755
756#ifdef VBOX_WITH_VIDEOHWACCEL
757static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay)
758{
759 memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
760 pHdr->cRefs = 1;
761 pHdr->iDisplay = iDisplay;
762 pHdr->rc = VERR_NOT_IMPLEMENTED;
763 pHdr->enmCmd = enmCmd;
764 pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
765}
766
767static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd)
768{
769 VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAlloc(cbCmd + VBOXVHWACMD_HEADSIZE());
770 Assert(pHdr);
771 if (pHdr)
772 vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay);
773
774 return pHdr;
775}
776
777DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
778{
779 uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
780 if(!cRefs)
781 {
782 RTMemFree(pCmd);
783 }
784}
785
786DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
787{
788 ASMAtomicIncU32(&pCmd->cRefs);
789}
790
791static unsigned vbvaVHWAHandleCommand (PVGASTATE pVGAState, VBVACONTEXT *pCtx, PVBOXVHWACMD pCmd)
792{
793 if (pVGAState->pDrv->pfnVHWACommandProcess)
794 pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCmd);
795#ifdef DEBUG_misha
796 else
797 AssertFailed();
798#endif
799 return 0;
800}
801
802static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
803{
804 RTSemEventSignal((RTSEMEVENT)pContext);
805}
806
807static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
808{
809 RTSEMEVENT hComplEvent;
810 int rc = RTSemEventCreate(&hComplEvent);
811 AssertRC(rc);
812 if(RT_SUCCESS(rc))
813 {
814 /* ensure the cmd is not deleted until we process it */
815 vbvaVHWAHHCommandRetain (pCmd);
816 VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
817 vbvaVHWAHandleCommand(pVGAState, NULL, pCmd);
818 if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
819 {
820 rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
821 }
822 else
823 {
824 /* the command is completed */
825 }
826
827 AssertRC(rc);
828 if(RT_SUCCESS(rc))
829 {
830 RTSemEventDestroy(hComplEvent);
831 }
832 vbvaVHWAHHCommandRelease(pCmd);
833 }
834 return rc;
835}
836
837int vbvaVHWAConstruct (PVGASTATE pVGAState)
838{
839 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
840 Assert(pCmd);
841 if(pCmd)
842 {
843 uint32_t iDisplay = 0;
844 int rc = VINF_SUCCESS;
845 VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
846
847 do
848 {
849 memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
850
851 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
852 PVM pVM = PDMDevHlpGetVM(pDevIns);
853
854 pBody->pVM = pVM;
855 pBody->pvVRAM = pVGAState->vram_ptrR3;
856 pBody->cbVRAM = pVGAState->vram_size;
857
858 rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
859 AssertRC(rc);
860 if(RT_SUCCESS(rc))
861 {
862 rc = pCmd->rc;
863 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
864 if(rc == VERR_NOT_IMPLEMENTED)
865 {
866 /* @todo: set some flag in pVGAState indicating VHWA is not supported */
867 /* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
868 rc = VINF_SUCCESS;
869 }
870
871 if (!RT_SUCCESS(rc))
872 break;
873 }
874 else
875 break;
876
877 ++iDisplay;
878 if (iDisplay >= pVGAState->cMonitors)
879 break;
880 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay);
881 } while (true);
882
883 vbvaVHWAHHCommandRelease(pCmd);
884
885 return rc;
886 }
887 return VERR_OUT_OF_RESOURCES;
888}
889
890int vbvaVHWAReset (PVGASTATE pVGAState)
891{
892 /* ensure we have all pending cmds processed and h->g cmds disabled */
893 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0);
894 Assert(pCmd);
895 if(pCmd)
896 {
897 int rc = VINF_SUCCESS;
898 uint32_t iDisplay = 0;
899
900 do
901 {
902 rc =vbvaVHWAHHCommandPost(pVGAState, pCmd);
903 AssertRC(rc);
904 if(RT_SUCCESS(rc))
905 {
906 rc = pCmd->rc;
907 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
908 if (rc == VERR_NOT_IMPLEMENTED)
909 rc = VINF_SUCCESS;
910 }
911
912 if (!RT_SUCCESS(rc))
913 break;
914
915 ++iDisplay;
916 if (iDisplay >= pVGAState->cMonitors)
917 break;
918 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay);
919
920 } while (true);
921
922 vbvaVHWAHHCommandRelease(pCmd);
923
924 return rc;
925 }
926 return VERR_OUT_OF_RESOURCES;
927}
928
929typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPRECB(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext);
930typedef FNVBOXVHWAHHCMDPRECB *PFNVBOXVHWAHHCMDPRECB;
931
932typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPOSTCB(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext);
933typedef FNVBOXVHWAHHCMDPOSTCB *PFNVBOXVHWAHHCMDPOSTCB;
934
935int vbvaVHWAHHPost(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, PFNVBOXVHWAHHCMDPRECB pfnPre, PFNVBOXVHWAHHCMDPOSTCB pfnPost, void *pvContext)
936{
937 const VBOXVHWACMD_TYPE enmType = pCmd->enmCmd;
938 int rc = VINF_SUCCESS;
939 uint32_t iDisplay = 0;
940
941 do
942 {
943 if (!pfnPre || pfnPre(pVGAState, pCmd, iDisplay, pvContext))
944 {
945 rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
946 AssertRC(rc);
947 if (pfnPost)
948 {
949 if (!pfnPost(pVGAState, pCmd, iDisplay, rc, pvContext))
950 {
951 rc = VINF_SUCCESS;
952 break;
953 }
954 rc = VINF_SUCCESS;
955 }
956 else if(RT_SUCCESS(rc))
957 {
958 rc = pCmd->rc;
959 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
960 if(rc == VERR_NOT_IMPLEMENTED)
961 {
962 rc = VINF_SUCCESS;
963 }
964 }
965
966 if (!RT_SUCCESS(rc))
967 break;
968 }
969
970 ++iDisplay;
971 if (iDisplay >= pVGAState->cMonitors)
972 break;
973 vbvaVHWAHHCommandReinit(pCmd, enmType, (int32_t)iDisplay);
974 } while (true);
975
976 return rc;
977}
978
979/* @todo call this also on reset? */
980int vbvaVHWAEnable (PVGASTATE pVGAState, bool bEnable)
981{
982 const VBOXVHWACMD_TYPE enmType = bEnable ? VBOXVHWACMD_TYPE_HH_ENABLE : VBOXVHWACMD_TYPE_HH_DISABLE;
983 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState,
984 enmType,
985 0, 0);
986 Assert(pCmd);
987 if(pCmd)
988 {
989 int rc = vbvaVHWAHHPost (pVGAState, pCmd, NULL, NULL, NULL);
990 vbvaVHWAHHCommandRelease(pCmd);
991 return rc;
992 }
993 return VERR_OUT_OF_RESOURCES;
994}
995
996int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
997{
998 /* ensure we have no pending commands */
999 return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), false);
1000}
1001
1002int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1003{
1004 /* ensure we have no pending commands */
1005 return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), true);
1006}
1007
1008int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1009{
1010 int rc;
1011 if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1012 {
1013 PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1014 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1015
1016 Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1017#ifdef VBOX_WITH_WDDM
1018 if (pVGAState->fGuestCaps & VBVACAPS_COMPLETEGCMD_BY_IOREAD)
1019 {
1020 rc = HGSMICompleteGuestCommand(pIns, pCmd, !!(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ));
1021 AssertRC(rc);
1022 }
1023 else
1024#endif
1025 {
1026 VBVAHOSTCMD *pHostCmd;
1027 int32_t iDisplay = pCmd->iDisplay;
1028
1029 if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1030 {
1031 rc = HGSMIHostCommandAlloc (pIns,
1032 (void**)&pHostCmd,
1033 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1034 HGSMI_CH_VBVA,
1035 VBVAHG_EVENT);
1036 AssertRC(rc);
1037 if(RT_SUCCESS(rc))
1038 {
1039 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1040 pHostCmd->iDstID = pCmd->iDisplay;
1041 pHostCmd->customOpCode = 0;
1042 VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1043 pBody->pEvent = pCmd->GuestVBVAReserved1;
1044 }
1045 }
1046 else
1047 {
1048 HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1049 Assert(offCmd != HGSMIOFFSET_VOID);
1050 if(offCmd != HGSMIOFFSET_VOID)
1051 {
1052 rc = HGSMIHostCommandAlloc (pIns,
1053 (void**)&pHostCmd,
1054 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1055 HGSMI_CH_VBVA,
1056 VBVAHG_DISPLAY_CUSTOM);
1057 AssertRC(rc);
1058 if(RT_SUCCESS(rc))
1059 {
1060 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1061 pHostCmd->iDstID = pCmd->iDisplay;
1062 pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1063 VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1064 pBody->offCmd = offCmd;
1065 }
1066 }
1067 else
1068 {
1069 rc = VERR_INVALID_PARAMETER;
1070 }
1071 }
1072
1073 if(RT_SUCCESS(rc))
1074 {
1075 rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1076 AssertRC(rc);
1077 if(RT_SUCCESS(rc))
1078 {
1079 return rc;
1080 }
1081 HGSMIHostCommandFree (pIns, pHostCmd);
1082 }
1083 }
1084 }
1085 else
1086 {
1087 PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1088 if(pfn)
1089 {
1090 pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1091 }
1092 rc = VINF_SUCCESS;
1093 }
1094 return rc;
1095}
1096
1097typedef struct VBOXVBVASAVEDSTATECBDATA
1098{
1099 PSSMHANDLE pSSM;
1100 int rc;
1101 bool ab2DOn[VBOX_VIDEO_MAX_SCREENS];
1102} VBOXVBVASAVEDSTATECBDATA, *PVBOXVBVASAVEDSTATECBDATA;
1103
1104static DECLCALLBACK(bool) vboxVBVASaveStateBeginPostCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext)
1105{
1106 PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1107 if (RT_FAILURE(pData->rc))
1108 return false;
1109 if (RT_FAILURE(rc))
1110 {
1111 pData->rc = rc;
1112 return false;
1113 }
1114
1115 Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1116 if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1117 {
1118 pData->rc = VERR_INVALID_PARAMETER;
1119 return false;
1120 }
1121
1122 Assert(RT_SUCCESS(pCmd->rc) || pCmd->rc == VERR_NOT_IMPLEMENTED);
1123 if (RT_SUCCESS(pCmd->rc))
1124 {
1125 pData->ab2DOn[iDisplay] = true;
1126 }
1127 else if (pCmd->rc != VERR_NOT_IMPLEMENTED)
1128 {
1129 pData->rc = pCmd->rc;
1130 return false;
1131 }
1132
1133 return true;
1134}
1135
1136static DECLCALLBACK(bool) vboxVBVASaveStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext)
1137{
1138 PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1139 if (RT_FAILURE(pData->rc))
1140 return false;
1141
1142 Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1143 if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1144 {
1145 pData->rc = VERR_INVALID_PARAMETER;
1146 return false;
1147 }
1148
1149 int rc;
1150
1151 if (pData->ab2DOn[iDisplay])
1152 {
1153 rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC); AssertRC(rc);
1154 if (RT_FAILURE(rc))
1155 {
1156 pData->rc = rc;
1157 return false;
1158 }
1159 return true;
1160 }
1161
1162 rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRC(rc);
1163 if (RT_FAILURE(rc))
1164 {
1165 pData->rc = rc;
1166 return false;
1167 }
1168
1169 return false;
1170}
1171
1172static DECLCALLBACK(bool) vboxVBVASaveStateEndPreCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext)
1173{
1174 PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1175 Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1176 if (pData->ab2DOn[iDisplay])
1177 {
1178 return true;
1179 }
1180
1181 return false;
1182}
1183
1184static DECLCALLBACK(bool) vboxVBVALoadStatePerformPostCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext)
1185{
1186 PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1187 if (RT_FAILURE(pData->rc))
1188 return false;
1189 if (RT_FAILURE(rc))
1190 {
1191 pData->rc = rc;
1192 return false;
1193 }
1194
1195 Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1196 if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1197 {
1198 pData->rc = VERR_INVALID_PARAMETER;
1199 return false;
1200 }
1201
1202 Assert(RT_SUCCESS(pCmd->rc) || pCmd->rc == VERR_NOT_IMPLEMENTED);
1203 if (pCmd->rc == VERR_NOT_IMPLEMENTED)
1204 {
1205 pData->rc = SSMR3SkipToEndOfUnit(pData->pSSM);
1206 AssertRC(pData->rc);
1207 return false;
1208 }
1209 if (RT_FAILURE(pCmd->rc))
1210 {
1211 pData->rc = pCmd->rc;
1212 return false;
1213 }
1214
1215 return true;
1216}
1217
1218static DECLCALLBACK(bool) vboxVBVALoadStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext)
1219{
1220 PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext;
1221 if (RT_FAILURE(pData->rc))
1222 return false;
1223
1224 Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn));
1225 if (iDisplay >= RT_ELEMENTS(pData->ab2DOn))
1226 {
1227 pData->rc = VERR_INVALID_PARAMETER;
1228 return false;
1229 }
1230
1231 int rc;
1232 uint32_t u32;
1233 rc = SSMR3GetU32(pData->pSSM, &u32); AssertRC(rc);
1234 if (RT_FAILURE(rc))
1235 {
1236 pData->rc = rc;
1237 return false;
1238 }
1239
1240 switch (u32)
1241 {
1242 case VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC:
1243 return true;
1244 case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC:
1245 return false;
1246 default:
1247 pData->rc = VERR_INVALID_STATE;
1248 return false;
1249 }
1250}
1251#endif /* #ifdef VBOX_WITH_VIDEOHWACCEL */
1252
1253int vboxVBVASaveDevStateExec (PVGASTATE pVGAState, PSSMHANDLE pSSM)
1254{
1255 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1256 int rc = HGSMIHostSaveStateExec (pIns, pSSM);
1257 if (RT_SUCCESS(rc))
1258 {
1259 /* Save VBVACONTEXT. */
1260 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
1261
1262 if (!pCtx)
1263 {
1264 AssertFailed();
1265
1266 /* Still write a valid value to the SSM. */
1267 rc = SSMR3PutU32 (pSSM, 0);
1268 AssertRCReturn(rc, rc);
1269 }
1270 else
1271 {
1272#ifdef DEBUG_sunlover
1273 dumpctx(pCtx);
1274#endif
1275
1276 rc = SSMR3PutU32 (pSSM, pCtx->cViews);
1277 AssertRCReturn(rc, rc);
1278
1279 uint32_t iView;
1280 for (iView = 0; iView < pCtx->cViews; iView++)
1281 {
1282 VBVAVIEW *pView = &pCtx->aViews[iView];
1283
1284 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
1285 AssertRCReturn(rc, rc);
1286 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
1287 AssertRCReturn(rc, rc);
1288 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
1289 AssertRCReturn(rc, rc);
1290 rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
1291 AssertRCReturn(rc, rc);
1292
1293 rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
1294 AssertRCReturn(rc, rc);
1295 rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
1296 AssertRCReturn(rc, rc);
1297 rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
1298 AssertRCReturn(rc, rc);
1299 rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
1300 AssertRCReturn(rc, rc);
1301 rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
1302 AssertRCReturn(rc, rc);
1303 rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
1304 AssertRCReturn(rc, rc);
1305 rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
1306 AssertRCReturn(rc, rc);
1307 rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
1308 AssertRCReturn(rc, rc);
1309 rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
1310 AssertRCReturn(rc, rc);
1311
1312 rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
1313 AssertRCReturn(rc, rc);
1314
1315 rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
1316 AssertRCReturn(rc, rc);
1317
1318 if (pView->partialRecord.cb > 0)
1319 {
1320 rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1321 AssertRCReturn(rc, rc);
1322 }
1323 }
1324
1325 /* Save mouse pointer shape information. */
1326 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
1327 AssertRCReturn(rc, rc);
1328 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
1329 AssertRCReturn(rc, rc);
1330 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
1331 AssertRCReturn(rc, rc);
1332 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
1333 AssertRCReturn(rc, rc);
1334 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
1335 AssertRCReturn(rc, rc);
1336 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
1337 AssertRCReturn(rc, rc);
1338 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
1339 AssertRCReturn(rc, rc);
1340 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
1341 AssertRCReturn(rc, rc);
1342 if (pCtx->mouseShapeInfo.cbShape)
1343 {
1344 rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1345 AssertRCReturn(rc, rc);
1346 }
1347
1348#ifdef VBOX_WITH_WDDM
1349 /* Size of some additional data. For future extensions. */
1350 rc = SSMR3PutU32 (pSSM, 4);
1351 AssertRCReturn(rc, rc);
1352 rc = SSMR3PutU32 (pSSM, pVGAState->fGuestCaps);
1353 AssertRCReturn(rc, rc);
1354#else
1355 /* Size of some additional data. For future extensions. */
1356 rc = SSMR3PutU32 (pSSM, 0);
1357 AssertRCReturn(rc, rc);
1358#endif
1359 }
1360 }
1361
1362 return rc;
1363}
1364
1365int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1366{
1367 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1368 int rc;
1369#ifdef VBOX_WITH_VIDEOHWACCEL
1370 VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1371 VhwaData.pSSM = pSSM;
1372 uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); /* maximum cmd size */
1373 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd);
1374 Assert(pCmd);
1375 if(pCmd)
1376 {
1377 vbvaVHWAHHPost (pVGAState, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData);
1378 rc = VhwaData.rc;
1379 AssertRC(rc);
1380 if (RT_SUCCESS(rc))
1381 {
1382#endif
1383 rc = vboxVBVASaveDevStateExec (pVGAState, pSSM);
1384 AssertRC(rc);
1385#ifdef VBOX_WITH_VIDEOHWACCEL
1386 if (RT_SUCCESS(rc))
1387 {
1388 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM, 0);
1389 VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM *pSave = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM);
1390 pSave->pSSM = pSSM;
1391 vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData);
1392 rc = VhwaData.rc;
1393 AssertRC(rc);
1394 if (RT_SUCCESS(rc))
1395 {
1396 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0);
1397 vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStateEndPreCb, NULL, &VhwaData);
1398 rc = VhwaData.rc;
1399 AssertRC(rc);
1400 }
1401 }
1402 }
1403
1404 vbvaVHWAHHCommandRelease(pCmd);
1405 }
1406 else
1407 rc = VERR_OUT_OF_RESOURCES;
1408#else
1409 if (RT_SUCCESS(rc))
1410 {
1411 for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
1412 {
1413 rc = SSMR3PutU32 (pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC);
1414 AssertRCReturn(rc, rc);
1415 }
1416 }
1417#endif
1418 return rc;
1419}
1420
1421int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
1422{
1423 if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
1424 {
1425 /* Nothing was saved. */
1426 return VINF_SUCCESS;
1427 }
1428
1429 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1430 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1431 int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
1432 if (RT_SUCCESS(rc))
1433 {
1434 /* Load VBVACONTEXT. */
1435 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
1436
1437 if (!pCtx)
1438 {
1439 /* This should not happen. */
1440 AssertFailed();
1441 rc = VERR_INVALID_PARAMETER;
1442 }
1443 else
1444 {
1445 uint32_t cViews = 0;
1446 rc = SSMR3GetU32 (pSSM, &cViews);
1447 AssertRCReturn(rc, rc);
1448
1449 uint32_t iView;
1450 for (iView = 0; iView < cViews; iView++)
1451 {
1452 VBVAVIEW *pView = &pCtx->aViews[iView];
1453
1454 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
1455 AssertRCReturn(rc, rc);
1456 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
1457 AssertRCReturn(rc, rc);
1458 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
1459 AssertRCReturn(rc, rc);
1460 rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
1461 AssertRCReturn(rc, rc);
1462
1463 rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
1464 AssertRCReturn(rc, rc);
1465 rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
1466 AssertRCReturn(rc, rc);
1467 rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
1468 AssertRCReturn(rc, rc);
1469 rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
1470 AssertRCReturn(rc, rc);
1471 rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
1472 AssertRCReturn(rc, rc);
1473 rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
1474 AssertRCReturn(rc, rc);
1475 rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
1476 AssertRCReturn(rc, rc);
1477 rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
1478 AssertRCReturn(rc, rc);
1479 rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
1480 AssertRCReturn(rc, rc);
1481
1482 rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
1483 AssertRCReturn(rc, rc);
1484
1485 rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
1486 AssertRCReturn(rc, rc);
1487
1488 if (pView->partialRecord.cb == 0)
1489 {
1490 pView->partialRecord.pu8 = NULL;
1491 }
1492 else
1493 {
1494 Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
1495
1496 uint8_t *pu8 = (uint8_t *)RTMemAlloc (pView->partialRecord.cb);
1497
1498 if (!pu8)
1499 {
1500 return VERR_NO_MEMORY;
1501 }
1502
1503 pView->partialRecord.pu8 = pu8;
1504
1505 rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
1506 AssertRCReturn(rc, rc);
1507 }
1508
1509 if ( pView->u32VBVAOffset == HGSMIOFFSET_VOID
1510 || pView->screen.u32LineSize == 0) /* Earlier broken saved states. */
1511 {
1512 pView->pVBVA = NULL;
1513 }
1514 else
1515 {
1516 pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
1517 }
1518 }
1519
1520 if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
1521 {
1522 /* Read mouse pointer shape information. */
1523 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
1524 AssertRCReturn(rc, rc);
1525 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
1526 AssertRCReturn(rc, rc);
1527 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
1528 AssertRCReturn(rc, rc);
1529 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
1530 AssertRCReturn(rc, rc);
1531 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
1532 AssertRCReturn(rc, rc);
1533 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
1534 AssertRCReturn(rc, rc);
1535 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
1536 AssertRCReturn(rc, rc);
1537 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
1538 AssertRCReturn(rc, rc);
1539 if (pCtx->mouseShapeInfo.cbShape)
1540 {
1541 pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
1542 if (pCtx->mouseShapeInfo.pu8Shape == NULL)
1543 {
1544 return VERR_NO_MEMORY;
1545 }
1546 pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
1547 rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
1548 AssertRCReturn(rc, rc);
1549 }
1550 else
1551 {
1552 pCtx->mouseShapeInfo.pu8Shape = NULL;
1553 }
1554
1555 /* Size of some additional data. For future extensions. */
1556 uint32_t cbExtra = 0;
1557 rc = SSMR3GetU32 (pSSM, &cbExtra);
1558 AssertRCReturn(rc, rc);
1559#ifdef VBOX_WITH_WDDM
1560 if (cbExtra >= 4)
1561 {
1562 rc = SSMR3GetU32 (pSSM, &pVGAState->fGuestCaps);
1563 AssertRCReturn(rc, rc);
1564 cbExtra -= 4;
1565 }
1566#endif
1567 if (cbExtra > 0)
1568 {
1569 rc = SSMR3Skip(pSSM, cbExtra);
1570 AssertRCReturn(rc, rc);
1571 }
1572 }
1573
1574 pCtx->cViews = iView;
1575 LogFlowFunc(("%d views loaded\n", pCtx->cViews));
1576
1577 if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM)
1578 {
1579#ifdef VBOX_WITH_VIDEOHWACCEL
1580 uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */
1581 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd);
1582 Assert(pCmd);
1583 if(pCmd)
1584 {
1585 VBOXVBVASAVEDSTATECBDATA VhwaData = {0};
1586 VhwaData.pSSM = pSSM;
1587 VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM);
1588 pLoad->pSSM = pSSM;
1589 vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData);
1590 rc = VhwaData.rc;
1591 AssertRC(rc);
1592 vbvaVHWAHHCommandRelease(pCmd);
1593 }
1594 else
1595 {
1596 rc = VERR_OUT_OF_RESOURCES;
1597 }
1598#else
1599 rc = SSMR3SkipToEndOfUnit(pSSM);
1600 AssertRCReturn(rc, rc);
1601#endif
1602 }
1603
1604#ifdef DEBUG_sunlover
1605 dumpctx(pCtx);
1606#endif
1607 }
1608 }
1609
1610 return rc;
1611}
1612
1613int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1614{
1615 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
1616 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1617
1618 if (pCtx)
1619 {
1620 uint32_t iView;
1621 for (iView = 0; iView < pCtx->cViews; iView++)
1622 {
1623 VBVAVIEW *pView = &pCtx->aViews[iView];
1624
1625 if (pView->pVBVA)
1626 {
1627 vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset, true /* fRestored */);
1628 vbvaResize (pVGAState, pView, &pView->screen);
1629 }
1630 }
1631
1632 if (pCtx->mouseShapeInfo.fSet)
1633 {
1634 vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1635 }
1636 }
1637
1638 return VINF_SUCCESS;
1639}
1640
1641void VBVARaiseIrq (PVGASTATE pVGAState, uint32_t fFlags)
1642{
1643 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1644 PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
1645
1646 HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ | fFlags);
1647 PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1648
1649 PDMCritSectLeave(&pVGAState->CritSect);
1650}
1651
1652/*
1653 *
1654 * New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
1655 *
1656 * VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
1657 * Read Write
1658 * Host port 0x3b0 to process completed
1659 * Guest port 0x3d0 control value? to process
1660 *
1661 */
1662
1663static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
1664{
1665#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOX_WITH_VDMA) || defined(VBOX_WITH_WDDM))
1666 PVGASTATE pVGAState = (PVGASTATE)pvCallback;
1667 VBVARaiseIrq (pVGAState, 0);
1668#else
1669 NOREF(pvCallback);
1670 /* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
1671#endif
1672}
1673
1674/* The guest submitted a buffer. @todo Verify all guest data. */
1675static DECLCALLBACK(int) vbvaChannelHandler (void *pvHandler, uint16_t u16ChannelInfo, void *pvBuffer, HGSMISIZE cbBuffer)
1676{
1677 int rc = VINF_SUCCESS;
1678
1679 LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
1680 pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
1681
1682 PVGASTATE pVGAState = (PVGASTATE)pvHandler;
1683 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1684 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
1685
1686 switch (u16ChannelInfo)
1687 {
1688#ifdef VBOX_WITH_VDMA
1689 case VBVA_VDMA_CMD:
1690 {
1691 if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMACBUF_DR))
1692 {
1693 rc = VERR_INVALID_PARAMETER;
1694 break;
1695 }
1696 PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1697 vboxVDMACommand(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
1698 rc = VINF_SUCCESS;
1699 break;
1700 }
1701 case VBVA_VDMA_CTL:
1702 {
1703 if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMA_CTL))
1704 {
1705 rc = VERR_INVALID_PARAMETER;
1706 break;
1707 }
1708 PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1709 vboxVDMAControl(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize());
1710 rc = VINF_SUCCESS;
1711 break;
1712 }
1713#endif
1714 case VBVA_QUERY_CONF32:
1715 {
1716 if (cbBuffer < sizeof (VBVACONF32))
1717 {
1718 rc = VERR_INVALID_PARAMETER;
1719 break;
1720 }
1721
1722 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1723 LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
1724 pConf32->u32Index, pConf32->u32Value));
1725
1726 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1727 {
1728 pConf32->u32Value = pCtx->cViews;
1729 }
1730 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1731 {
1732 /* @todo a value calculated from the vram size */
1733 pConf32->u32Value = 64*_1K;
1734 }
1735 else
1736 {
1737 Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
1738 pConf32->u32Index));
1739 rc = VERR_INVALID_PARAMETER;
1740 }
1741 } break;
1742
1743 case VBVA_SET_CONF32:
1744 {
1745 if (cbBuffer < sizeof (VBVACONF32))
1746 {
1747 rc = VERR_INVALID_PARAMETER;
1748 break;
1749 }
1750
1751 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1752 LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
1753 pConf32->u32Index, pConf32->u32Value));
1754
1755 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1756 {
1757 /* do nothing. this is a const. */
1758 }
1759 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1760 {
1761 /* do nothing. this is a const. */
1762 }
1763 else
1764 {
1765 Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
1766 pConf32->u32Index));
1767 rc = VERR_INVALID_PARAMETER;
1768 }
1769 } break;
1770
1771 case VBVA_INFO_VIEW:
1772 {
1773 if (cbBuffer < sizeof (VBVAINFOVIEW))
1774 {
1775 rc = VERR_INVALID_PARAMETER;
1776 break;
1777 }
1778
1779 /* Guest submits an array of VBVAINFOVIEW structures. */
1780 VBVAINFOVIEW *pView = (VBVAINFOVIEW *)pvBuffer;
1781
1782 for (;
1783 cbBuffer >= sizeof (VBVAINFOVIEW);
1784 pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
1785 {
1786 LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1787 pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1788
1789 /* @todo verify view data. */
1790 if (pView->u32ViewIndex >= pCtx->cViews)
1791 {
1792 Log(("View index too large %d!!!\n",
1793 pView->u32ViewIndex));
1794 rc = VERR_INVALID_PARAMETER;
1795 break;
1796 }
1797
1798 pCtx->aViews[pView->u32ViewIndex].view = *pView;
1799 }
1800 } break;
1801
1802 case VBVA_INFO_HEAP:
1803 {
1804 if (cbBuffer < sizeof (VBVAINFOHEAP))
1805 {
1806 rc = VERR_INVALID_PARAMETER;
1807 break;
1808 }
1809
1810 VBVAINFOHEAP *pHeap = (VBVAINFOHEAP *)pvBuffer;
1811 LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
1812 pHeap->u32HeapOffset, pHeap->u32HeapSize));
1813
1814 rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
1815 } break;
1816
1817 case VBVA_FLUSH:
1818 {
1819 if (cbBuffer < sizeof (VBVAFLUSH))
1820 {
1821 rc = VERR_INVALID_PARAMETER;
1822 break;
1823 }
1824
1825 VBVAFLUSH *pFlush = (VBVAFLUSH *)pvBuffer;
1826 LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
1827 pFlush->u32Reserved));
1828
1829 rc = vbvaFlush (pVGAState, pCtx);
1830 } break;
1831
1832 case VBVA_INFO_SCREEN:
1833 {
1834 if (cbBuffer < sizeof (VBVAINFOSCREEN))
1835 {
1836 rc = VERR_INVALID_PARAMETER;
1837 break;
1838 }
1839
1840 VBVAINFOSCREEN *pScreen = (VBVAINFOSCREEN *)pvBuffer;
1841 VBVAINFOVIEW *pView = &pCtx->aViews[pScreen->u32ViewIndex].view;
1842 /* Calculate the offset of the end of the screen so we can make
1843 * sure it is inside the view. I assume that screen rollover is not
1844 * implemented. */
1845 int64_t offEnd = (int64_t)pScreen->u32Height * pScreen->u32LineSize
1846 + pScreen->u32Width + pScreen->u32StartOffset;
1847 LogRelFlowFunc(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1848 pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1849 pScreen->u32Width, pScreen->u32Height,
1850 pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1851
1852 if ( pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews)
1853 && pScreen->u16BitsPerPixel <= 32
1854 && pScreen->u32Width <= UINT16_MAX
1855 && pScreen->u32Height <= UINT16_MAX
1856 && pScreen->u32LineSize <= UINT16_MAX * 4
1857 && offEnd < pView->u32MaxScreenSize)
1858 {
1859 vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1860 }
1861 else
1862 {
1863 LogRelFlow(("VBVA_INFO_SCREEN [%lu]: bad data: %lux%lu, line 0x%lx, BPP %u, start offset %lu, max screen size %lu\n",
1864 (unsigned long)pScreen->u32ViewIndex,
1865 (unsigned long)pScreen->u32Width,
1866 (unsigned long)pScreen->u32Height,
1867 (unsigned long)pScreen->u32LineSize,
1868 (unsigned long)pScreen->u16BitsPerPixel,
1869 (unsigned long)pScreen->u32StartOffset,
1870 (unsigned long)pView->u32MaxScreenSize));
1871 rc = VERR_INVALID_PARAMETER;
1872 }
1873 } break;
1874
1875 case VBVA_ENABLE:
1876 {
1877 if (cbBuffer < sizeof (VBVAENABLE))
1878 {
1879 rc = VERR_INVALID_PARAMETER;
1880 break;
1881 }
1882
1883 VBVAENABLE *pEnable = (VBVAENABLE *)pvBuffer;
1884 unsigned uScreenId;
1885 if (pEnable->u32Flags & VBVA_F_EXTENDED)
1886 {
1887 if (cbBuffer < sizeof (VBVAENABLE_EX))
1888 {
1889 rc = VERR_INVALID_PARAMETER;
1890 break;
1891 }
1892
1893 VBVAENABLE_EX *pEnableEx = (VBVAENABLE_EX *)pvBuffer;
1894 uScreenId = pEnableEx->u32ScreenId;
1895 }
1896 else
1897 {
1898 uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
1899 }
1900
1901 if (uScreenId == ~0U)
1902 {
1903 rc = VERR_INVALID_PARAMETER;
1904 break;
1905 }
1906
1907 LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
1908 uScreenId, pEnable->u32Flags, pEnable->u32Offset));
1909
1910 if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE)
1911 {
1912 /* Guest reported offset relative to view. */
1913 uint32_t u32Offset = pEnable->u32Offset;
1914 if (!(pEnable->u32Flags & VBVA_F_ABSOFFSET))
1915 {
1916 u32Offset += pCtx->aViews[uScreenId].view.u32ViewOffset;
1917 }
1918
1919 VBVABUFFER *pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, u32Offset);
1920
1921 if (pVBVA)
1922 {
1923 /* Process any pending orders and empty the VBVA ring buffer. */
1924 vbvaFlush (pVGAState, pCtx);
1925
1926 rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset, false /* fRestored */);
1927 }
1928 else
1929 {
1930 Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
1931 pEnable->u32Offset));
1932 rc = VERR_INVALID_PARAMETER;
1933 }
1934 }
1935 else if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE)
1936 {
1937 rc = vbvaDisable (uScreenId, pVGAState, pCtx);
1938 }
1939 else
1940 {
1941 Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
1942 pEnable->u32Flags));
1943 rc = VERR_INVALID_PARAMETER;
1944 }
1945
1946 pEnable->i32Result = rc;
1947 } break;
1948
1949 case VBVA_MOUSE_POINTER_SHAPE:
1950 {
1951 if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
1952 {
1953 rc = VERR_INVALID_PARAMETER;
1954 break;
1955 }
1956
1957 VBVAMOUSEPOINTERSHAPE *pShape = (VBVAMOUSEPOINTERSHAPE *)pvBuffer;
1958
1959 LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
1960 pShape->i32Result,
1961 pShape->fu32Flags,
1962 pShape->u32HotX,
1963 pShape->u32HotY,
1964 pShape->u32Width,
1965 pShape->u32Height));
1966
1967 rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
1968
1969 pShape->i32Result = rc;
1970 } break;
1971
1972
1973#ifdef VBOX_WITH_VIDEOHWACCEL
1974 case VBVA_VHWA_CMD:
1975 {
1976 rc = vbvaVHWAHandleCommand (pVGAState, pCtx, (PVBOXVHWACMD)pvBuffer);
1977 } break;
1978#endif
1979
1980#ifdef VBOX_WITH_WDDM
1981 case VBVA_INFO_CAPS:
1982 {
1983 if (cbBuffer < sizeof (VBVACAPS))
1984 {
1985 rc = VERR_INVALID_PARAMETER;
1986 break;
1987 }
1988
1989 VBVACAPS *pCaps = (VBVACAPS*)pvBuffer;
1990 pVGAState->fGuestCaps = pCaps->fCaps;
1991 pCaps->rc = VINF_SUCCESS;
1992 } break;
1993#endif
1994 case VBVA_SCANLINE_CFG:
1995 {
1996 if (cbBuffer < sizeof (VBVASCANLINECFG))
1997 {
1998 rc = VERR_INVALID_PARAMETER;
1999 break;
2000 }
2001
2002 VBVASCANLINECFG *pCfg = (VBVASCANLINECFG*)pvBuffer;
2003 pVGAState->fScanLineCfg = pCfg->fFlags;
2004 pCfg->rc = VINF_SUCCESS;
2005 } break;
2006 default:
2007 Log(("Unsupported VBVA guest command %d!!!\n",
2008 u16ChannelInfo));
2009 break;
2010 }
2011
2012 return rc;
2013}
2014
2015void VBVAReset (PVGASTATE pVGAState)
2016{
2017 if (!pVGAState || !pVGAState->pHGSMI)
2018 {
2019 return;
2020 }
2021
2022 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
2023
2024#ifdef VBOX_WITH_VIDEOHWACCEL
2025 vbvaVHWAReset (pVGAState);
2026#endif
2027
2028 uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
2029 if(HgFlags & HGSMIHOSTFLAGS_IRQ)
2030 {
2031 /* this means the IRQ is LEVEL_HIGH, need to reset it */
2032 PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
2033 }
2034
2035 if (pCtx)
2036 {
2037 vbvaFlush (pVGAState, pCtx);
2038
2039 unsigned uScreenId;
2040
2041 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
2042 {
2043 vbvaDisable (uScreenId, pVGAState, pCtx);
2044 }
2045
2046 pCtx->mouseShapeInfo.fSet = false;
2047 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2048 pCtx->mouseShapeInfo.pu8Shape = NULL;
2049 pCtx->mouseShapeInfo.cbAllocated = 0;
2050 pCtx->mouseShapeInfo.cbShape = 0;
2051 }
2052
2053}
2054
2055int VBVAUpdateDisplay (PVGASTATE pVGAState)
2056{
2057 int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
2058
2059 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
2060
2061 if (pCtx)
2062 {
2063 rc = vbvaFlush (pVGAState, pCtx);
2064
2065 if (RT_SUCCESS (rc))
2066 {
2067 if (!pCtx->aViews[0].pVBVA)
2068 {
2069 /* VBVA is not enabled for the first view, so VGA device must do updates. */
2070 rc = VERR_NOT_SUPPORTED;
2071 }
2072 }
2073 }
2074
2075 return rc;
2076}
2077
2078static HGSMICHANNELHANDLER sOldChannelHandler;
2079
2080int VBVAInit (PVGASTATE pVGAState)
2081{
2082 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
2083
2084 PVM pVM = PDMDevHlpGetVM(pDevIns);
2085
2086 int rc = HGSMICreate (&pVGAState->pHGSMI,
2087 pVM,
2088 "VBVA",
2089 0,
2090 pVGAState->vram_ptrR3,
2091 pVGAState->vram_size,
2092 vbvaNotifyGuest,
2093 pVGAState,
2094 sizeof (VBVACONTEXT));
2095
2096 if (RT_SUCCESS (rc))
2097 {
2098 rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
2099 HGSMI_CH_VBVA,
2100 vbvaChannelHandler,
2101 pVGAState,
2102 &sOldChannelHandler);
2103 if (RT_SUCCESS (rc))
2104 {
2105 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
2106 pCtx->cViews = pVGAState->cMonitors;
2107 }
2108 }
2109
2110 return rc;
2111
2112}
2113
2114void VBVADestroy (PVGASTATE pVGAState)
2115{
2116 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
2117
2118 if (pCtx)
2119 {
2120 pCtx->mouseShapeInfo.fSet = false;
2121 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
2122 pCtx->mouseShapeInfo.pu8Shape = NULL;
2123 pCtx->mouseShapeInfo.cbAllocated = 0;
2124 pCtx->mouseShapeInfo.cbShape = 0;
2125 }
2126
2127 HGSMIDestroy (pVGAState->pHGSMI);
2128 pVGAState->pHGSMI = NULL;
2129}
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