VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 28125

Last change on this file since 28125 was 27839, checked in by vboxsync, 15 years ago

2d: working multi-monitor + some fixing for working with not-using-VRAM mode
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  • Property svn:keywords set to Author Date Id Revision
File size: 54.1 KB
Line 
1/** @file
2 * VirtualBox Video Acceleration (VBVA).
3 */
4
5/*
6 * Copyright (C) 2006-2009 Sun Microsystems, Inc.
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
17 * Clara, CA 95054 USA or visit http://www.sun.com if you need
18 * additional information or have any questions.
19 */
20
21#define LOG_GROUP LOG_GROUP_DEV_VGA
22#include <VBox/pdmifs.h>
23#include <VBox/pdmdev.h>
24#include <VBox/pgm.h>
25#include <VBox/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
46typedef struct _VBVAPARTIALRECORD
47{
48 uint8_t *pu8;
49 uint32_t cb;
50} VBVAPARTIALRECORD;
51
52typedef struct _VBVAVIEW
53{
54 VBVAINFOVIEW view;
55 VBVAINFOSCREEN screen;
56 VBVABUFFER *pVBVA;
57 uint32_t u32VBVAOffset;
58 VBVAPARTIALRECORD partialRecord;
59} VBVAVIEW;
60
61typedef struct VBVAMOUSESHAPEINFO
62{
63 bool fSet;
64 bool fVisible;
65 bool fAlpha;
66 uint32_t u32HotX;
67 uint32_t u32HotY;
68 uint32_t u32Width;
69 uint32_t u32Height;
70 uint32_t cbShape;
71 uint32_t cbAllocated;
72 uint8_t *pu8Shape;
73} VBVAMOUSESHAPEINFO;
74
75/* @todo saved state: save and restore VBVACONTEXT */
76typedef struct _VBVACONTEXT
77{
78 uint32_t cViews;
79 VBVAVIEW aViews[64 /* @todo SchemaDefs::MaxGuestMonitors*/];
80 VBVAMOUSESHAPEINFO mouseShapeInfo;
81} VBVACONTEXT;
82
83/* Copies 'cb' bytes from the VBVA ring buffer to the 'pu8Dst'.
84 * Used for partial records or for records which cross the ring boundary.
85 */
86static void vbvaFetchBytes (VBVABUFFER *pVBVA, uint8_t *pu8Dst, uint32_t cb)
87{
88 /* @todo replace the 'if' with an assert. The caller must ensure this condition. */
89 if (cb >= pVBVA->cbData)
90 {
91 AssertMsgFailed (("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVA->cbData));
92 return;
93 }
94
95 const uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
96 const uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
97 const int32_t i32Diff = cb - u32BytesTillBoundary;
98
99 if (i32Diff <= 0)
100 {
101 /* Chunk will not cross buffer boundary. */
102 memcpy (pu8Dst, src, cb);
103 }
104 else
105 {
106 /* Chunk crosses buffer boundary. */
107 memcpy (pu8Dst, src, u32BytesTillBoundary);
108 memcpy (pu8Dst + u32BytesTillBoundary, &pVBVA->au8Data[0], i32Diff);
109 }
110
111 /* Advance data offset. */
112 pVBVA->off32Data = (pVBVA->off32Data + cb) % pVBVA->cbData;
113
114 return;
115}
116
117
118static bool vbvaPartialRead (VBVAPARTIALRECORD *pPartialRecord, uint32_t cbRecord, VBVABUFFER *pVBVA)
119{
120 uint8_t *pu8New;
121
122 LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
123 pPartialRecord->pu8, pPartialRecord->cb, cbRecord));
124
125 if (pPartialRecord->pu8)
126 {
127 Assert (pPartialRecord->cb);
128 pu8New = (uint8_t *)RTMemRealloc (pPartialRecord->pu8, cbRecord);
129 }
130 else
131 {
132 Assert (!pPartialRecord->cb);
133 pu8New = (uint8_t *)RTMemAlloc (cbRecord);
134 }
135
136 if (!pu8New)
137 {
138 /* Memory allocation failed, fail the function. */
139 Log(("vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
140 cbRecord));
141
142 if (pPartialRecord->pu8)
143 {
144 RTMemFree (pPartialRecord->pu8);
145 }
146
147 pPartialRecord->pu8 = NULL;
148 pPartialRecord->cb = 0;
149
150 return false;
151 }
152
153 /* Fetch data from the ring buffer. */
154 vbvaFetchBytes (pVBVA, pu8New + pPartialRecord->cb, cbRecord - pPartialRecord->cb);
155
156 pPartialRecord->pu8 = pu8New;
157 pPartialRecord->cb = cbRecord;
158
159 return true;
160}
161
162/* For contiguous chunks just return the address in the buffer.
163 * For crossing boundary - allocate a buffer from heap.
164 */
165static bool vbvaFetchCmd (VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA, VBVACMDHDR **ppHdr, uint32_t *pcbCmd)
166{
167 uint32_t indexRecordFirst = pVBVA->indexRecordFirst;
168 uint32_t indexRecordFree = pVBVA->indexRecordFree;
169
170 LOGVBVABUFFER(("first = %d, free = %d\n",
171 indexRecordFirst, indexRecordFree));
172
173 if (indexRecordFirst == indexRecordFree)
174 {
175 /* No records to process. Return without assigning output variables. */
176 return true;
177 }
178
179 VBVARECORD *pRecord = &pVBVA->aRecords[indexRecordFirst];
180
181 LOGVBVABUFFER(("cbRecord = 0x%08X\n", pRecord->cbRecord));
182
183 uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
184
185 if (pPartialRecord->cb)
186 {
187 /* There is a partial read in process. Continue with it. */
188 Assert (pPartialRecord->pu8);
189
190 LOGVBVABUFFER(("continue partial record cb = %d cbRecord 0x%08X, first = %d, free = %d\n",
191 pPartialRecord->cb, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
192
193 if (cbRecord > pPartialRecord->cb)
194 {
195 /* New data has been added to the record. */
196 if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
197 {
198 return false;
199 }
200 }
201
202 if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
203 {
204 /* The record is completed by guest. Return it to the caller. */
205 *ppHdr = (VBVACMDHDR *)pPartialRecord->pu8;
206 *pcbCmd = pPartialRecord->cb;
207
208 pPartialRecord->pu8 = NULL;
209 pPartialRecord->cb = 0;
210
211 /* Advance the record index. */
212 pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
213
214 LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n",
215 pVBVA->off32Data, pVBVA->off32Free));
216 }
217
218 return true;
219 }
220
221 /* A new record need to be processed. */
222 if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
223 {
224 /* Current record is being written by guest. '=' is important here,
225 * because the guest will do a FLUSH at this condition.
226 * This partual record is too large for the ring buffer and must
227 * be accumulated in an allocated buffer.
228 */
229 if (cbRecord >= pVBVA->cbData - pVBVA->cbPartialWriteThreshold)
230 {
231 /* Partial read must be started. */
232 if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
233 {
234 return false;
235 }
236
237 LOGVBVABUFFER(("started partial record cb = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
238 pPartialRecord->cb, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
239 }
240
241 return true;
242 }
243
244 /* Current record is complete. If it is not empty, process it. */
245 if (cbRecord)
246 {
247 /* The size of largest contiguos chunk in the ring biffer. */
248 uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
249
250 /* The pointer to data in the ring buffer. */
251 uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
252
253 /* Fetch or point the data. */
254 if (u32BytesTillBoundary >= cbRecord)
255 {
256 /* The command does not cross buffer boundary. Return address in the buffer. */
257 *ppHdr = (VBVACMDHDR *)src;
258
259 /* Advance data offset. */
260 pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
261 }
262 else
263 {
264 /* The command crosses buffer boundary. Rare case, so not optimized. */
265 uint8_t *dst = (uint8_t *)RTMemAlloc (cbRecord);
266
267 if (!dst)
268 {
269 LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
270 pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
271 return false;
272 }
273
274 vbvaFetchBytes (pVBVA, dst, cbRecord);
275
276 *ppHdr = (VBVACMDHDR *)dst;
277
278 LOGVBVABUFFER(("Allocated from heap %p\n", dst));
279 }
280 }
281
282 *pcbCmd = cbRecord;
283
284 /* Advance the record index. */
285 pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
286
287 LOGVBVABUFFER(("done ok, data = %d, free = %d\n",
288 pVBVA->off32Data, pVBVA->off32Free));
289
290 return true;
291}
292
293static void vbvaReleaseCmd (VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA, VBVACMDHDR *pHdr, uint32_t cbCmd)
294{
295 uint8_t *au8RingBuffer = &pVBVA->au8Data[0];
296
297 if ( (uint8_t *)pHdr >= au8RingBuffer
298 && (uint8_t *)pHdr < &au8RingBuffer[pVBVA->cbData])
299 {
300 /* The pointer is inside ring buffer. Must be continuous chunk. */
301 Assert (pVBVA->cbData - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
302
303 /* Do nothing. */
304
305 Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
306 }
307 else
308 {
309 /* The pointer is outside. It is then an allocated copy. */
310 LOGVBVABUFFER(("Free heap %p\n", pHdr));
311
312 if ((uint8_t *)pHdr == pPartialRecord->pu8)
313 {
314 pPartialRecord->pu8 = NULL;
315 pPartialRecord->cb = 0;
316 }
317 else
318 {
319 Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
320 }
321
322 RTMemFree (pHdr);
323 }
324
325 return;
326}
327
328static int vbvaFlushProcess (unsigned uScreenId, PVGASTATE pVGAState, VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA)
329{
330 LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
331 uScreenId, pVBVA->indexRecordFirst, pVBVA->indexRecordFree, pVBVA->off32Data, pVBVA->off32Free));
332 struct {
333 /* The rectangle that includes all dirty rectangles. */
334 int32_t xLeft;
335 int32_t xRight;
336 int32_t yTop;
337 int32_t yBottom;
338 } dirtyRect;
339 memset(&dirtyRect, 0, sizeof(dirtyRect));
340
341 bool fUpdate = false; /* Whether there were any updates. */
342
343 for (;;)
344 {
345 VBVACMDHDR *phdr = NULL;
346 uint32_t cbCmd = ~0;
347
348 /* Fetch the command data. */
349 if (!vbvaFetchCmd (pPartialRecord, pVBVA, &phdr, &cbCmd))
350 {
351 LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n",
352 pVBVA->off32Data, pVBVA->off32Free));
353
354 /* @todo old code disabled VBVA processing here. */
355 return VERR_NOT_SUPPORTED;
356 }
357
358 if (cbCmd == uint32_t(~0))
359 {
360 /* No more commands yet in the queue. */
361 break;
362 }
363
364 if (cbCmd != 0)
365 {
366 if (!fUpdate)
367 {
368 pVGAState->pDrv->pfnVBVAUpdateBegin (pVGAState->pDrv, uScreenId);
369 fUpdate = true;
370 }
371
372 /* Updates the rectangle and sends the command to the VRDP server. */
373 pVGAState->pDrv->pfnVBVAUpdateProcess (pVGAState->pDrv, uScreenId, phdr, cbCmd);
374
375 int32_t xRight = phdr->x + phdr->w;
376 int32_t yBottom = phdr->y + phdr->h;
377
378 /* These are global coords, relative to the primary screen. */
379
380 LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
381 cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
382
383 /* Collect all rects into one. */
384 if (dirtyRect.xRight == 0)
385 {
386 /* This is the first rectangle to be added. */
387 dirtyRect.xLeft = phdr->x;
388 dirtyRect.yTop = phdr->y;
389 dirtyRect.xRight = xRight;
390 dirtyRect.yBottom = yBottom;
391 }
392 else
393 {
394 /* Adjust region coordinates. */
395 if (dirtyRect.xLeft > phdr->x)
396 {
397 dirtyRect.xLeft = phdr->x;
398 }
399
400 if (dirtyRect.yTop > phdr->y)
401 {
402 dirtyRect.yTop = phdr->y;
403 }
404
405 if (dirtyRect.xRight < xRight)
406 {
407 dirtyRect.xRight = xRight;
408 }
409
410 if (dirtyRect.yBottom < yBottom)
411 {
412 dirtyRect.yBottom = yBottom;
413 }
414 }
415 }
416
417 vbvaReleaseCmd (pPartialRecord, pVBVA, phdr, cbCmd);
418 }
419
420 if (fUpdate)
421 {
422 if(dirtyRect.xRight)
423 {
424 pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop,
425 dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop);
426 }
427 else
428 {
429 pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, 0, 0, 0, 0);
430 }
431 }
432
433 return VINF_SUCCESS;
434}
435
436static int vbvaFlush (PVGASTATE pVGAState, VBVACONTEXT *pCtx)
437{
438 unsigned uScreenId;
439
440 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
441 {
442 VBVAPARTIALRECORD *pPartialRecord = &pCtx->aViews[uScreenId].partialRecord;
443 VBVABUFFER *pVBVA = pCtx->aViews[uScreenId].pVBVA;
444
445 if (pVBVA)
446 {
447 vbvaFlushProcess (uScreenId, pVGAState, pPartialRecord, pVBVA);
448 }
449 }
450
451 /* @todo rc */
452 return VINF_SUCCESS;
453}
454
455static int vbvaResize (PVGASTATE pVGAState, VBVAVIEW *pView, const VBVAINFOSCREEN *pNewScreen)
456{
457 /* Verify pNewScreen. */
458 /* @todo */
459
460 /* Apply these changes. */
461 pView->screen = *pNewScreen;
462
463 uint8_t *pu8VRAM = pVGAState->vram_ptrR3 + pView->view.u32ViewOffset;
464
465 int rc = pVGAState->pDrv->pfnVBVAResize (pVGAState->pDrv, &pView->view, &pView->screen, pu8VRAM);
466
467 /* @todo process VINF_VGA_RESIZE_IN_PROGRESS? */
468
469 return rc;
470}
471
472static int vbvaEnable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx, VBVABUFFER *pVBVA, uint32_t u32Offset)
473{
474 /* @todo old code did a UpdateDisplayAll at this place. */
475
476 int rc;
477
478 if (pVGAState->pDrv->pfnVBVAEnable)
479 {
480 pVBVA->hostFlags.u32HostEvents = 0;
481 pVBVA->hostFlags.u32SupportedOrders = 0;
482
483 rc = pVGAState->pDrv->pfnVBVAEnable (pVGAState->pDrv, uScreenId, &pVBVA->hostFlags);
484 }
485 else
486 {
487 rc = VERR_NOT_SUPPORTED;
488 }
489
490 if (RT_SUCCESS (rc))
491 {
492 /* pVBVA->hostFlags has been set up by pfnVBVAEnable. */
493 LogFlowFunc(("u32HostEvents 0x%08X, u32SupportedOrders 0x%08X\n",
494 pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders));
495
496 pCtx->aViews[uScreenId].partialRecord.pu8 = NULL;
497 pCtx->aViews[uScreenId].partialRecord.cb = 0;
498
499 pCtx->aViews[uScreenId].pVBVA = pVBVA;
500 pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset;
501 }
502
503 return rc;
504}
505
506static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx)
507{
508 /* Process any pending orders and empty the VBVA ring buffer. */
509 vbvaFlush (pVGAState, pCtx);
510
511 VBVAVIEW *pView = &pCtx->aViews[uScreenId];
512
513 if (pView->pVBVA)
514 {
515 pView->pVBVA->hostFlags.u32HostEvents = 0;
516 pView->pVBVA->hostFlags.u32SupportedOrders = 0;
517
518 pView->partialRecord.pu8 = NULL;
519 pView->partialRecord.cb = 0;
520
521 pView->pVBVA = NULL;
522 pView->u32VBVAOffset = HGSMIOFFSET_VOID;
523 }
524
525 pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
526 return VINF_SUCCESS;
527}
528
529#ifdef DEBUG_sunlover
530void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
531{
532 LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
533 pMouseShapeInfo->fSet,
534 pMouseShapeInfo->fVisible,
535 pMouseShapeInfo->fAlpha,
536 pMouseShapeInfo->u32HotX,
537 pMouseShapeInfo->u32HotY,
538 pMouseShapeInfo->u32Width,
539 pMouseShapeInfo->u32Height,
540 pMouseShapeInfo->pu8Shape,
541 pMouseShapeInfo->cbShape,
542 pMouseShapeInfo->cbAllocated
543 ));
544}
545#endif
546
547static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO *pMouseShapeInfo, bool fShape, const uint8_t *pu8Shape)
548{
549 int rc;
550 LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
551 pVGAState, pMouseShapeInfo, fShape, pu8Shape));
552#ifdef DEBUG_sunlover
553 dumpMouseShapeInfo(pMouseShapeInfo);
554#endif
555
556 if (fShape && pu8Shape != NULL)
557 {
558 rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
559 pMouseShapeInfo->fVisible,
560 pMouseShapeInfo->fAlpha,
561 pMouseShapeInfo->u32HotX,
562 pMouseShapeInfo->u32HotY,
563 pMouseShapeInfo->u32Width,
564 pMouseShapeInfo->u32Height,
565 pu8Shape);
566 }
567 else
568 {
569 rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
570 pMouseShapeInfo->fVisible,
571 false,
572 0, 0,
573 0, 0,
574 NULL);
575 }
576
577 return rc;
578}
579
580static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT *pCtx, const VBVAMOUSEPOINTERSHAPE *pShape, HGSMISIZE cbShape)
581{
582 bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
583 bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
584 bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
585
586 HGSMISIZE cbPointerData = 0;
587
588 if (fShape)
589 {
590 cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
591 + pShape->u32Width * 4 * pShape->u32Height;
592 }
593
594 if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
595 {
596 Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
597 cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
598 return VERR_INVALID_PARAMETER;
599 }
600
601 /* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
602 pCtx->mouseShapeInfo.fSet = true;
603 pCtx->mouseShapeInfo.fVisible = fVisible;
604 pCtx->mouseShapeInfo.fAlpha = fAlpha;
605 if (fShape)
606 {
607 /* Data related to shape. */
608 pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
609 pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
610 pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
611 pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
612
613 /* Reallocate memory buffer if necessary. */
614 if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
615 {
616 RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
617 pCtx->mouseShapeInfo.pu8Shape = NULL;
618 pCtx->mouseShapeInfo.cbShape = 0;
619
620 uint8_t *pu8Shape = (uint8_t *)RTMemAlloc (cbPointerData);
621 if (pu8Shape)
622 {
623 pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
624 pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
625 }
626 }
627
628 /* Copy shape bitmaps. */
629 if (pCtx->mouseShapeInfo.pu8Shape)
630 {
631 memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
632 pCtx->mouseShapeInfo.cbShape = cbPointerData;
633 }
634 }
635
636 if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
637 {
638 return VERR_NOT_SUPPORTED;
639 }
640
641 int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
642
643 return rc;
644}
645
646static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT *pCtx, const void *pvBuffer)
647{
648 /* Check which view contains the buffer. */
649 HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
650
651 if (offBuffer != HGSMIOFFSET_VOID)
652 {
653 unsigned uScreenId;
654
655 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
656 {
657 VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
658
659 if ( pView->u32ViewSize > 0
660 && pView->u32ViewOffset <= offBuffer
661 && offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
662 {
663 return pView->u32ViewIndex;
664 }
665 }
666 }
667
668 return ~0U;
669}
670
671#ifdef DEBUG_sunlover
672static void dumpctx(const VBVACONTEXT *pCtx)
673{
674 Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
675
676 uint32_t iView;
677 for (iView = 0; iView < pCtx->cViews; iView++)
678 {
679 const VBVAVIEW *pView = &pCtx->aViews[iView];
680
681 Log((" view %d o 0x%x s 0x%x m 0x%x\n",
682 pView->view.u32ViewIndex,
683 pView->view.u32ViewOffset,
684 pView->view.u32ViewSize,
685 pView->view.u32MaxScreenSize));
686
687 Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
688 pView->screen.u32ViewIndex,
689 pView->screen.i32OriginX,
690 pView->screen.i32OriginY,
691 pView->screen.u32StartOffset,
692 pView->screen.u32LineSize,
693 pView->screen.u32Width,
694 pView->screen.u32Height,
695 pView->screen.u16BitsPerPixel,
696 pView->screen.u16Flags));
697
698 Log((" VBVA o 0x%x p %p\n",
699 pView->u32VBVAOffset,
700 pView->pVBVA));
701
702 Log((" PR cb 0x%x p %p\n",
703 pView->partialRecord.cb,
704 pView->partialRecord.pu8));
705 }
706
707 dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
708}
709#endif /* DEBUG_sunlover */
710
711int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
712{
713 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
714 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
715
716 int rc = HGSMIHostSaveStateExec (pIns, pSSM);
717 if (RT_SUCCESS(rc))
718 {
719 /* Save VBVACONTEXT. */
720 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
721
722 if (!pCtx)
723 {
724 AssertFailed();
725
726 /* Still write a valid value to the SSM. */
727 rc = SSMR3PutU32 (pSSM, 0);
728 AssertRCReturn(rc, rc);
729 }
730 else
731 {
732#ifdef DEBUG_sunlover
733 dumpctx(pCtx);
734#endif
735
736 rc = SSMR3PutU32 (pSSM, pCtx->cViews);
737 AssertRCReturn(rc, rc);
738
739 uint32_t iView;
740 for (iView = 0; iView < pCtx->cViews; iView++)
741 {
742 VBVAVIEW *pView = &pCtx->aViews[iView];
743
744 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
745 AssertRCReturn(rc, rc);
746 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
747 AssertRCReturn(rc, rc);
748 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
749 AssertRCReturn(rc, rc);
750 rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
751 AssertRCReturn(rc, rc);
752
753 rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
754 AssertRCReturn(rc, rc);
755 rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
756 AssertRCReturn(rc, rc);
757 rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
758 AssertRCReturn(rc, rc);
759 rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
760 AssertRCReturn(rc, rc);
761 rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
762 AssertRCReturn(rc, rc);
763 rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
764 AssertRCReturn(rc, rc);
765 rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
766 AssertRCReturn(rc, rc);
767 rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
768 AssertRCReturn(rc, rc);
769 rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
770 AssertRCReturn(rc, rc);
771
772 rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
773 AssertRCReturn(rc, rc);
774
775 rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
776 AssertRCReturn(rc, rc);
777
778 if (pView->partialRecord.cb > 0)
779 {
780 rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
781 AssertRCReturn(rc, rc);
782 }
783 }
784
785 /* Save mouse pointer shape information. */
786 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
787 AssertRCReturn(rc, rc);
788 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
789 AssertRCReturn(rc, rc);
790 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
791 AssertRCReturn(rc, rc);
792 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
793 AssertRCReturn(rc, rc);
794 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
795 AssertRCReturn(rc, rc);
796 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
797 AssertRCReturn(rc, rc);
798 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
799 AssertRCReturn(rc, rc);
800 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
801 AssertRCReturn(rc, rc);
802 if (pCtx->mouseShapeInfo.cbShape)
803 {
804 rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
805 AssertRCReturn(rc, rc);
806 }
807
808 /* Size of some additional data. For future extensions. */
809 rc = SSMR3PutU32 (pSSM, 0);
810 AssertRCReturn(rc, rc);
811 }
812 }
813
814 return rc;
815}
816
817int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
818{
819 if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
820 {
821 /* Nothing was saved. */
822 return VINF_SUCCESS;
823 }
824
825 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
826 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
827 int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
828 if (RT_SUCCESS(rc))
829 {
830 /* Load VBVACONTEXT. */
831 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
832
833 if (!pCtx)
834 {
835 /* This should not happen. */
836 AssertFailed();
837 rc = VERR_INVALID_PARAMETER;
838 }
839 else
840 {
841 uint32_t cViews = 0;
842 rc = SSMR3GetU32 (pSSM, &cViews);
843 AssertRCReturn(rc, rc);
844
845 uint32_t iView;
846 for (iView = 0; iView < cViews; iView++)
847 {
848 VBVAVIEW *pView = &pCtx->aViews[iView];
849
850 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
851 AssertRCReturn(rc, rc);
852 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
853 AssertRCReturn(rc, rc);
854 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
855 AssertRCReturn(rc, rc);
856 rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
857 AssertRCReturn(rc, rc);
858
859 rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
860 AssertRCReturn(rc, rc);
861 rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
862 AssertRCReturn(rc, rc);
863 rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
864 AssertRCReturn(rc, rc);
865 rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
866 AssertRCReturn(rc, rc);
867 rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
868 AssertRCReturn(rc, rc);
869 rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
870 AssertRCReturn(rc, rc);
871 rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
872 AssertRCReturn(rc, rc);
873 rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
874 AssertRCReturn(rc, rc);
875 rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
876 AssertRCReturn(rc, rc);
877
878 rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
879 AssertRCReturn(rc, rc);
880
881 rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
882 AssertRCReturn(rc, rc);
883
884 if (pView->partialRecord.cb == 0)
885 {
886 pView->partialRecord.pu8 = NULL;
887 }
888 else
889 {
890 Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
891
892 uint8_t *pu8 = (uint8_t *)RTMemAlloc (pView->partialRecord.cb);
893
894 if (!pu8)
895 {
896 return VERR_NO_MEMORY;
897 }
898
899 pView->partialRecord.pu8 = pu8;
900
901 rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
902 AssertRCReturn(rc, rc);
903 }
904
905 if ( pView->u32VBVAOffset == HGSMIOFFSET_VOID
906 || pView->screen.u32LineSize == 0) /* Earlier broken saved states. */
907 {
908 pView->pVBVA = NULL;
909 }
910 else
911 {
912 pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
913 }
914 }
915
916 if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
917 {
918 /* Read mouse pointer shape information. */
919 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
920 AssertRCReturn(rc, rc);
921 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
922 AssertRCReturn(rc, rc);
923 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
924 AssertRCReturn(rc, rc);
925 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
926 AssertRCReturn(rc, rc);
927 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
928 AssertRCReturn(rc, rc);
929 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
930 AssertRCReturn(rc, rc);
931 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
932 AssertRCReturn(rc, rc);
933 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
934 AssertRCReturn(rc, rc);
935 if (pCtx->mouseShapeInfo.cbShape)
936 {
937 pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
938 if (pCtx->mouseShapeInfo.pu8Shape == NULL)
939 {
940 return VERR_NO_MEMORY;
941 }
942 pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
943 rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
944 AssertRCReturn(rc, rc);
945 }
946 else
947 {
948 pCtx->mouseShapeInfo.pu8Shape = NULL;
949 }
950
951 /* Size of some additional data. For future extensions. */
952 uint32_t cbExtra = 0;
953 rc = SSMR3GetU32 (pSSM, &cbExtra);
954 AssertRCReturn(rc, rc);
955 if (cbExtra > 0)
956 {
957 rc = SSMR3Skip(pSSM, cbExtra);
958 AssertRCReturn(rc, rc);
959 }
960 }
961
962 pCtx->cViews = iView;
963 LogFlowFunc(("%d views loaded\n", pCtx->cViews));
964
965#ifdef DEBUG_sunlover
966 dumpctx(pCtx);
967#endif
968 }
969 }
970
971 return rc;
972}
973
974int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
975{
976 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
977 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
978
979 if (pCtx)
980 {
981 uint32_t iView;
982 for (iView = 0; iView < pCtx->cViews; iView++)
983 {
984 VBVAVIEW *pView = &pCtx->aViews[iView];
985
986 if (pView->pVBVA)
987 {
988 vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset);
989 vbvaResize (pVGAState, pView, &pView->screen);
990 }
991 }
992
993 if (pCtx->mouseShapeInfo.fSet)
994 {
995 vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
996 }
997 }
998
999 return VINF_SUCCESS;
1000}
1001
1002#ifdef VBOX_WITH_VIDEOHWACCEL
1003static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay)
1004{
1005 memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
1006 pHdr->cRefs = 1;
1007 pHdr->iDisplay = iDisplay;
1008 pHdr->rc = VERR_NOT_IMPLEMENTED;
1009 pHdr->enmCmd = enmCmd;
1010 pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
1011}
1012
1013static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd)
1014{
1015 VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAlloc(cbCmd + VBOXVHWACMD_HEADSIZE());
1016 Assert(pHdr);
1017 if (pHdr)
1018 vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay);
1019
1020 return pHdr;
1021}
1022
1023DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
1024{
1025 uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
1026 if(!cRefs)
1027 {
1028 RTMemFree(pCmd);
1029 }
1030}
1031
1032DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
1033{
1034 ASMAtomicIncU32(&pCmd->cRefs);
1035}
1036
1037static unsigned vbvaVHWAHandleCommand (PVGASTATE pVGAState, VBVACONTEXT *pCtx, PVBOXVHWACMD pCmd)
1038{
1039 if (pVGAState->pDrv->pfnVHWACommandProcess)
1040 pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCmd);
1041#ifdef DEBUG_misha
1042 else
1043 AssertFailed();
1044#endif
1045 return 0;
1046}
1047
1048static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
1049{
1050 RTSemEventSignal((RTSEMEVENT)pContext);
1051}
1052
1053static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
1054{
1055 RTSEMEVENT hComplEvent;
1056 int rc = RTSemEventCreate(&hComplEvent);
1057 AssertRC(rc);
1058 if(RT_SUCCESS(rc))
1059 {
1060 /* ensure the cmd is not deleted until we process it */
1061 vbvaVHWAHHCommandRetain (pCmd);
1062 VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
1063 vbvaVHWAHandleCommand(pVGAState, NULL, pCmd);
1064 if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
1065 {
1066 rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
1067 }
1068 else
1069 {
1070 /* the command is completed */
1071 }
1072
1073 AssertRC(rc);
1074 if(RT_SUCCESS(rc))
1075 {
1076 RTSemEventDestroy(hComplEvent);
1077 }
1078 vbvaVHWAHHCommandRelease(pCmd);
1079 }
1080 return rc;
1081}
1082
1083int vbvaVHWAConstruct (PVGASTATE pVGAState)
1084{
1085 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1086 Assert(pCmd);
1087 if(pCmd)
1088 {
1089 uint32_t iDisplay = 0;
1090 int rc = VINF_SUCCESS;
1091 VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
1092
1093 do
1094 {
1095 memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1096
1097 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1098 PVM pVM = PDMDevHlpGetVM(pDevIns);
1099
1100 pBody->pVM = pVM;
1101 pBody->pvVRAM = pVGAState->vram_ptrR3;
1102 pBody->cbVRAM = pVGAState->vram_size;
1103
1104 rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1105 AssertRC(rc);
1106 if(RT_SUCCESS(rc))
1107 {
1108 rc = pCmd->rc;
1109 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1110 if(rc == VERR_NOT_IMPLEMENTED)
1111 {
1112 /* @todo: set some flag in pVGAState indicating VHWA is not supported */
1113 /* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
1114 rc = VINF_SUCCESS;
1115 }
1116
1117 if (!RT_SUCCESS(rc))
1118 break;
1119 }
1120 else
1121 break;
1122
1123 ++iDisplay;
1124 if (iDisplay >= pVGAState->cMonitors)
1125 break;
1126 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay);
1127 } while (true);
1128
1129 vbvaVHWAHHCommandRelease(pCmd);
1130
1131 return rc;
1132 }
1133 return VERR_OUT_OF_RESOURCES;
1134}
1135
1136int vbvaVHWAReset (PVGASTATE pVGAState)
1137{
1138 /* ensure we have all pending cmds processed and h->g cmds disabled */
1139 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0);
1140 Assert(pCmd);
1141 if(pCmd)
1142 {
1143 int rc = VINF_SUCCESS;
1144 uint32_t iDisplay = 0;
1145
1146 do
1147 {
1148 rc =vbvaVHWAHHCommandPost(pVGAState, pCmd);
1149 AssertRC(rc);
1150 if(RT_SUCCESS(rc))
1151 {
1152 rc = pCmd->rc;
1153 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1154 if (rc == VERR_NOT_IMPLEMENTED)
1155 rc = VINF_SUCCESS;
1156 }
1157
1158 if (!RT_SUCCESS(rc))
1159 break;
1160
1161 ++iDisplay;
1162 if (iDisplay >= pVGAState->cMonitors)
1163 break;
1164 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay);
1165
1166 } while (true);
1167
1168 vbvaVHWAHHCommandRelease(pCmd);
1169
1170 return rc;
1171 }
1172 return VERR_OUT_OF_RESOURCES;
1173}
1174
1175/* @todo call this also on reset? */
1176int vbvaVHWADisable (PVGASTATE pVGAState)
1177{
1178 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_DISABLE, 0, 0);
1179 Assert(pCmd);
1180 if(pCmd)
1181 {
1182 int rc = VINF_SUCCESS;
1183 uint32_t iDisplay = 0;
1184
1185 do
1186 {
1187 rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1188 AssertRC(rc);
1189 if(RT_SUCCESS(rc))
1190 {
1191 rc = pCmd->rc;
1192 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1193 if(rc == VERR_NOT_IMPLEMENTED)
1194 {
1195 rc = VINF_SUCCESS;
1196 }
1197 }
1198
1199 if (!RT_SUCCESS(rc))
1200 break;
1201
1202 ++iDisplay;
1203 if (iDisplay >= pVGAState->cMonitors)
1204 break;
1205 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_DISABLE, (int32_t)iDisplay);
1206
1207 } while (true);
1208
1209 vbvaVHWAHHCommandRelease(pCmd);
1210
1211 return rc;
1212 }
1213 return VERR_OUT_OF_RESOURCES;
1214}
1215
1216int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1217{
1218 /* ensure we have no pending commands */
1219 return vbvaVHWADisable(PDMINS_2_DATA(pDevIns, PVGASTATE));
1220}
1221
1222#define PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(_pcb) ( (PVGASTATE)((uint8_t *)(_pcb) - RT_OFFSETOF(VGASTATE, IVBVACallbacks)) )
1223
1224int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1225{
1226 int rc;
1227 if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1228 {
1229 PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1230 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1231 VBVAHOSTCMD *pHostCmd;
1232 // Assert(0);
1233
1234 int32_t iDisplay = pCmd->iDisplay;
1235 Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1236 if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1237 {
1238 rc = HGSMIHostCommandAlloc (pIns,
1239 (void**)&pHostCmd,
1240 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1241 HGSMI_CH_VBVA,
1242 VBVAHG_EVENT);
1243 AssertRC(rc);
1244 if(RT_SUCCESS(rc))
1245 {
1246 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1247 pHostCmd->iDstID = pCmd->iDisplay;
1248 pHostCmd->customOpCode = 0;
1249 VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1250 pBody->pEvent = pCmd->GuestVBVAReserved1;
1251 }
1252 }
1253 else
1254 {
1255 HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1256 Assert(offCmd != HGSMIOFFSET_VOID);
1257 if(offCmd != HGSMIOFFSET_VOID)
1258 {
1259 rc = HGSMIHostCommandAlloc (pIns,
1260 (void**)&pHostCmd,
1261 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1262 HGSMI_CH_VBVA,
1263 VBVAHG_DISPLAY_CUSTOM);
1264 AssertRC(rc);
1265 if(RT_SUCCESS(rc))
1266 {
1267 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1268 pHostCmd->iDstID = pCmd->iDisplay;
1269 pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1270 VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1271 pBody->offCmd = offCmd;
1272 }
1273 }
1274 else
1275 {
1276 rc = VERR_INVALID_PARAMETER;
1277 }
1278 }
1279
1280 if(RT_SUCCESS(rc))
1281 {
1282 rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1283 AssertRC(rc);
1284 if(RT_SUCCESS(rc))
1285 {
1286 return rc;
1287 }
1288 HGSMIHostCommandFree (pIns, pHostCmd);
1289 }
1290 }
1291 else
1292 {
1293 PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1294 if(pfn)
1295 {
1296 pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1297 }
1298 rc = VINF_SUCCESS;
1299 }
1300 return rc;
1301}
1302#endif
1303
1304
1305/*
1306 *
1307 * New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
1308 *
1309 * VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
1310 * Read Write
1311 * Host port 0x3b0 to process completed
1312 * Guest port 0x3d0 control value? to process
1313 *
1314 */
1315
1316static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
1317{
1318#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOXVDMA))
1319 PVGASTATE pVGAState = (PVGASTATE)pvCallback;
1320 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1321 PDMCritSectEnter(&pVGAState->lock, VERR_SEM_BUSY);
1322 HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ);
1323 PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1324 PDMCritSectLeave(&pVGAState->lock);
1325#else
1326 NOREF(pvCallback);
1327 /* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
1328#endif
1329}
1330
1331/* The guest submitted a buffer. @todo Verify all guest data. */
1332static DECLCALLBACK(int) vbvaChannelHandler (void *pvHandler, uint16_t u16ChannelInfo, void *pvBuffer, HGSMISIZE cbBuffer)
1333{
1334 int rc = VINF_SUCCESS;
1335
1336 LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
1337 pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
1338
1339 PVGASTATE pVGAState = (PVGASTATE)pvHandler;
1340 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1341 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
1342
1343 switch (u16ChannelInfo)
1344 {
1345#ifdef VBOXVDMA
1346 case VBVA_VDMA_CMD:
1347 {
1348 PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1349 vboxVDMACommand(pVGAState->pVdma, pCmd);
1350 rc = VINF_SUCCESS;
1351 break;
1352 }
1353 case VBVA_VDMA_CTL:
1354 {
1355 PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1356 vboxVDMAControl(pVGAState->pVdma, pCmd);
1357 rc = VINF_SUCCESS;
1358 break;
1359 }
1360#endif
1361 case VBVA_QUERY_CONF32:
1362 {
1363 if (cbBuffer < sizeof (VBVACONF32))
1364 {
1365 rc = VERR_INVALID_PARAMETER;
1366 break;
1367 }
1368
1369 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1370 LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
1371 pConf32->u32Index, pConf32->u32Value));
1372
1373 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1374 {
1375 pConf32->u32Value = pCtx->cViews;
1376 }
1377 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1378 {
1379 /* @todo a value caclucated from the vram size */
1380 pConf32->u32Value = 64*_1K;
1381 }
1382 else
1383 {
1384 Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
1385 pConf32->u32Index));
1386 rc = VERR_INVALID_PARAMETER;
1387 }
1388 } break;
1389
1390 case VBVA_SET_CONF32:
1391 {
1392 if (cbBuffer < sizeof (VBVACONF32))
1393 {
1394 rc = VERR_INVALID_PARAMETER;
1395 break;
1396 }
1397
1398 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1399 LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
1400 pConf32->u32Index, pConf32->u32Value));
1401
1402 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1403 {
1404 /* do nothing. this is a const. */
1405 }
1406 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1407 {
1408 /* do nothing. this is a const. */
1409 }
1410 else
1411 {
1412 Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
1413 pConf32->u32Index));
1414 rc = VERR_INVALID_PARAMETER;
1415 }
1416 } break;
1417
1418 case VBVA_INFO_VIEW:
1419 {
1420 if (cbBuffer < sizeof (VBVAINFOVIEW))
1421 {
1422 rc = VERR_INVALID_PARAMETER;
1423 break;
1424 }
1425
1426 /* Guest submits an array of VBVAINFOVIEW structures. */
1427 VBVAINFOVIEW *pView = (VBVAINFOVIEW *)pvBuffer;
1428
1429 for (;
1430 cbBuffer >= sizeof (VBVAINFOVIEW);
1431 pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
1432 {
1433 LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1434 pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1435
1436 /* @todo verify view data. */
1437 if (pView->u32ViewIndex >= pCtx->cViews)
1438 {
1439 Log(("View index too large %d!!!\n",
1440 pView->u32ViewIndex));
1441 rc = VERR_INVALID_PARAMETER;
1442 break;
1443 }
1444
1445 pCtx->aViews[pView->u32ViewIndex].view = *pView;
1446 }
1447 } break;
1448
1449 case VBVA_INFO_HEAP:
1450 {
1451 if (cbBuffer < sizeof (VBVAINFOHEAP))
1452 {
1453 rc = VERR_INVALID_PARAMETER;
1454 break;
1455 }
1456
1457 VBVAINFOHEAP *pHeap = (VBVAINFOHEAP *)pvBuffer;
1458 LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
1459 pHeap->u32HeapOffset, pHeap->u32HeapSize));
1460
1461 rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
1462 } break;
1463
1464 case VBVA_FLUSH:
1465 {
1466 if (cbBuffer < sizeof (VBVAFLUSH))
1467 {
1468 rc = VERR_INVALID_PARAMETER;
1469 break;
1470 }
1471
1472 VBVAFLUSH *pFlush = (VBVAFLUSH *)pvBuffer;
1473 LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
1474 pFlush->u32Reserved));
1475
1476 rc = vbvaFlush (pVGAState, pCtx);
1477 } break;
1478
1479 case VBVA_INFO_SCREEN:
1480 {
1481 if (cbBuffer < sizeof (VBVAINFOSCREEN))
1482 {
1483 rc = VERR_INVALID_PARAMETER;
1484 break;
1485 }
1486
1487 VBVAINFOSCREEN *pScreen = (VBVAINFOSCREEN *)pvBuffer;
1488 LogFlowFunc(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1489 pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1490 pScreen->u32Width, pScreen->u32Height,
1491 pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1492
1493 if (pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews))
1494 {
1495 vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1496 }
1497 else
1498 {
1499 Log(("View index too large %d!!!\n",
1500 pScreen->u32ViewIndex));
1501 rc = VERR_INVALID_PARAMETER;
1502 }
1503 } break;
1504
1505 case VBVA_ENABLE:
1506 {
1507 if (cbBuffer < sizeof (VBVAENABLE))
1508 {
1509 rc = VERR_INVALID_PARAMETER;
1510 break;
1511 }
1512
1513 unsigned uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
1514
1515 if (uScreenId == ~0U)
1516 {
1517 rc = VERR_INVALID_PARAMETER;
1518 break;
1519 }
1520
1521 VBVAENABLE *pEnable = (VBVAENABLE *)pvBuffer;
1522 LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
1523 uScreenId, pEnable->u32Flags, pEnable->u32Offset));
1524
1525 if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE)
1526 {
1527 /* Guest reported offset relative to view. */
1528 uint32_t u32Offset = pEnable->u32Offset + pCtx->aViews[uScreenId].view.u32ViewOffset;
1529
1530 VBVABUFFER *pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, u32Offset);
1531
1532 if (pVBVA)
1533 {
1534 /* Process any pending orders and empty the VBVA ring buffer. */
1535 vbvaFlush (pVGAState, pCtx);
1536
1537 rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset);
1538 }
1539 else
1540 {
1541 Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
1542 pEnable->u32Offset));
1543 rc = VERR_INVALID_PARAMETER;
1544 }
1545 }
1546 else if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE)
1547 {
1548 rc = vbvaDisable (uScreenId, pVGAState, pCtx);
1549 }
1550 else
1551 {
1552 Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
1553 pEnable->u32Flags));
1554 rc = VERR_INVALID_PARAMETER;
1555 }
1556
1557 pEnable->i32Result = rc;
1558 } break;
1559
1560 case VBVA_MOUSE_POINTER_SHAPE:
1561 {
1562 if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
1563 {
1564 rc = VERR_INVALID_PARAMETER;
1565 break;
1566 }
1567
1568 VBVAMOUSEPOINTERSHAPE *pShape = (VBVAMOUSEPOINTERSHAPE *)pvBuffer;
1569
1570 LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
1571 pShape->i32Result,
1572 pShape->fu32Flags,
1573 pShape->u32HotX,
1574 pShape->u32HotY,
1575 pShape->u32Width,
1576 pShape->u32Height));
1577
1578 rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
1579
1580 pShape->i32Result = rc;
1581 } break;
1582
1583
1584#ifdef VBOX_WITH_VIDEOHWACCEL
1585 case VBVA_VHWA_CMD:
1586 {
1587 rc = vbvaVHWAHandleCommand (pVGAState, pCtx, (PVBOXVHWACMD)pvBuffer);
1588 } break;
1589#endif
1590
1591 default:
1592 Log(("Unsupported VBVA guest command %d!!!\n",
1593 u16ChannelInfo));
1594 break;
1595 }
1596
1597 return rc;
1598}
1599
1600void VBVAReset (PVGASTATE pVGAState)
1601{
1602 if (!pVGAState || !pVGAState->pHGSMI)
1603 {
1604 return;
1605 }
1606
1607 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1608
1609#ifdef VBOX_WITH_VIDEOHWACCEL
1610 vbvaVHWAReset (pVGAState);
1611#endif
1612
1613 uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
1614 if(HgFlags & HGSMIHOSTFLAGS_IRQ)
1615 {
1616 /* this means the IRQ is LEVEL_HIGH, need to reset it */
1617 PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
1618 }
1619
1620 if (pCtx)
1621 {
1622 vbvaFlush (pVGAState, pCtx);
1623
1624 unsigned uScreenId;
1625
1626 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
1627 {
1628 vbvaDisable (uScreenId, pVGAState, pCtx);
1629 }
1630
1631 pCtx->mouseShapeInfo.fSet = false;
1632 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
1633 pCtx->mouseShapeInfo.pu8Shape = NULL;
1634 pCtx->mouseShapeInfo.cbAllocated = 0;
1635 pCtx->mouseShapeInfo.cbShape = 0;
1636 }
1637
1638}
1639
1640int VBVAUpdateDisplay (PVGASTATE pVGAState)
1641{
1642 int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
1643
1644 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1645
1646 if (pCtx)
1647 {
1648 rc = vbvaFlush (pVGAState, pCtx);
1649
1650 if (RT_SUCCESS (rc))
1651 {
1652 if (!pCtx->aViews[0].pVBVA)
1653 {
1654 /* VBVA is not enabled for the first view, so VGA device must do updates. */
1655 rc = VERR_NOT_SUPPORTED;
1656 }
1657 }
1658 }
1659
1660 return rc;
1661}
1662
1663static HGSMICHANNELHANDLER sOldChannelHandler;
1664
1665int VBVAInit (PVGASTATE pVGAState)
1666{
1667 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1668
1669 PVM pVM = PDMDevHlpGetVM(pDevIns);
1670
1671 int rc = HGSMICreate (&pVGAState->pHGSMI,
1672 pVM,
1673 "VBVA",
1674 0,
1675 pVGAState->vram_ptrR3,
1676 pVGAState->vram_size,
1677 vbvaNotifyGuest,
1678 pVGAState,
1679 sizeof (VBVACONTEXT));
1680
1681 if (RT_SUCCESS (rc))
1682 {
1683 rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
1684 HGSMI_CH_VBVA,
1685 vbvaChannelHandler,
1686 pVGAState,
1687 &sOldChannelHandler);
1688 if (RT_SUCCESS (rc))
1689 {
1690 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1691 pCtx->cViews = pVGAState->cMonitors;
1692 }
1693 }
1694
1695 return rc;
1696
1697}
1698
1699void VBVADestroy (PVGASTATE pVGAState)
1700{
1701 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1702
1703 if (pCtx)
1704 {
1705 pCtx->mouseShapeInfo.fSet = false;
1706 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
1707 pCtx->mouseShapeInfo.pu8Shape = NULL;
1708 pCtx->mouseShapeInfo.cbAllocated = 0;
1709 pCtx->mouseShapeInfo.cbShape = 0;
1710 }
1711
1712 HGSMIDestroy (pVGAState->pHGSMI);
1713 pVGAState->pHGSMI = NULL;
1714}
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