VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 28617

Last change on this file since 28617 was 28379, checked in by vboxsync, 15 years ago

dev/VGA: avoid extra resizes when HGSMI & VBVA is used (for now enabled only when Wddm driver is isnatalled in the guest)
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File size: 55.0 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
529bool VBVAIsEnabled(PVGASTATE pVGAState)
530{
531 PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI;
532 if (pHGSMI)
533 {
534 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pHGSMI);
535 if (pCtx)
536 {
537 if (pCtx->cViews)
538 {
539 VBVAVIEW * pView = &pCtx->aViews[0];
540 if (pView->pVBVA)
541 return true;
542 }
543 }
544 }
545 return false;
546}
547
548#ifdef DEBUG_sunlover
549void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
550{
551 LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
552 pMouseShapeInfo->fSet,
553 pMouseShapeInfo->fVisible,
554 pMouseShapeInfo->fAlpha,
555 pMouseShapeInfo->u32HotX,
556 pMouseShapeInfo->u32HotY,
557 pMouseShapeInfo->u32Width,
558 pMouseShapeInfo->u32Height,
559 pMouseShapeInfo->pu8Shape,
560 pMouseShapeInfo->cbShape,
561 pMouseShapeInfo->cbAllocated
562 ));
563}
564#endif
565
566static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO *pMouseShapeInfo, bool fShape, const uint8_t *pu8Shape)
567{
568 int rc;
569 LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
570 pVGAState, pMouseShapeInfo, fShape, pu8Shape));
571#ifdef DEBUG_sunlover
572 dumpMouseShapeInfo(pMouseShapeInfo);
573#endif
574
575 if (fShape && pu8Shape != NULL)
576 {
577 rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
578 pMouseShapeInfo->fVisible,
579 pMouseShapeInfo->fAlpha,
580 pMouseShapeInfo->u32HotX,
581 pMouseShapeInfo->u32HotY,
582 pMouseShapeInfo->u32Width,
583 pMouseShapeInfo->u32Height,
584 pu8Shape);
585 }
586 else
587 {
588 rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
589 pMouseShapeInfo->fVisible,
590 false,
591 0, 0,
592 0, 0,
593 NULL);
594 }
595
596 return rc;
597}
598
599static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT *pCtx, const VBVAMOUSEPOINTERSHAPE *pShape, HGSMISIZE cbShape)
600{
601 bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
602 bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
603 bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
604
605 HGSMISIZE cbPointerData = 0;
606
607 if (fShape)
608 {
609 cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
610 + pShape->u32Width * 4 * pShape->u32Height;
611 }
612
613 if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
614 {
615 Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
616 cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
617 return VERR_INVALID_PARAMETER;
618 }
619
620 /* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
621 pCtx->mouseShapeInfo.fSet = true;
622 pCtx->mouseShapeInfo.fVisible = fVisible;
623 pCtx->mouseShapeInfo.fAlpha = fAlpha;
624 if (fShape)
625 {
626 /* Data related to shape. */
627 pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
628 pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
629 pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
630 pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
631
632 /* Reallocate memory buffer if necessary. */
633 if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
634 {
635 RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
636 pCtx->mouseShapeInfo.pu8Shape = NULL;
637 pCtx->mouseShapeInfo.cbShape = 0;
638
639 uint8_t *pu8Shape = (uint8_t *)RTMemAlloc (cbPointerData);
640 if (pu8Shape)
641 {
642 pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
643 pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
644 }
645 }
646
647 /* Copy shape bitmaps. */
648 if (pCtx->mouseShapeInfo.pu8Shape)
649 {
650 memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
651 pCtx->mouseShapeInfo.cbShape = cbPointerData;
652 }
653 }
654
655 if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
656 {
657 return VERR_NOT_SUPPORTED;
658 }
659
660 int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
661
662 return rc;
663}
664
665static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT *pCtx, const void *pvBuffer)
666{
667 /* Check which view contains the buffer. */
668 HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
669
670 if (offBuffer != HGSMIOFFSET_VOID)
671 {
672 unsigned uScreenId;
673
674 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
675 {
676 VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
677
678 if ( pView->u32ViewSize > 0
679 && pView->u32ViewOffset <= offBuffer
680 && offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
681 {
682 return pView->u32ViewIndex;
683 }
684 }
685 }
686
687 return ~0U;
688}
689
690#ifdef DEBUG_sunlover
691static void dumpctx(const VBVACONTEXT *pCtx)
692{
693 Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
694
695 uint32_t iView;
696 for (iView = 0; iView < pCtx->cViews; iView++)
697 {
698 const VBVAVIEW *pView = &pCtx->aViews[iView];
699
700 Log((" view %d o 0x%x s 0x%x m 0x%x\n",
701 pView->view.u32ViewIndex,
702 pView->view.u32ViewOffset,
703 pView->view.u32ViewSize,
704 pView->view.u32MaxScreenSize));
705
706 Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
707 pView->screen.u32ViewIndex,
708 pView->screen.i32OriginX,
709 pView->screen.i32OriginY,
710 pView->screen.u32StartOffset,
711 pView->screen.u32LineSize,
712 pView->screen.u32Width,
713 pView->screen.u32Height,
714 pView->screen.u16BitsPerPixel,
715 pView->screen.u16Flags));
716
717 Log((" VBVA o 0x%x p %p\n",
718 pView->u32VBVAOffset,
719 pView->pVBVA));
720
721 Log((" PR cb 0x%x p %p\n",
722 pView->partialRecord.cb,
723 pView->partialRecord.pu8));
724 }
725
726 dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
727}
728#endif /* DEBUG_sunlover */
729
730int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
731{
732 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
733 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
734
735 int rc = HGSMIHostSaveStateExec (pIns, pSSM);
736 if (RT_SUCCESS(rc))
737 {
738 /* Save VBVACONTEXT. */
739 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
740
741 if (!pCtx)
742 {
743 AssertFailed();
744
745 /* Still write a valid value to the SSM. */
746 rc = SSMR3PutU32 (pSSM, 0);
747 AssertRCReturn(rc, rc);
748 }
749 else
750 {
751#ifdef DEBUG_sunlover
752 dumpctx(pCtx);
753#endif
754
755 rc = SSMR3PutU32 (pSSM, pCtx->cViews);
756 AssertRCReturn(rc, rc);
757
758 uint32_t iView;
759 for (iView = 0; iView < pCtx->cViews; iView++)
760 {
761 VBVAVIEW *pView = &pCtx->aViews[iView];
762
763 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
764 AssertRCReturn(rc, rc);
765 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
766 AssertRCReturn(rc, rc);
767 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
768 AssertRCReturn(rc, rc);
769 rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
770 AssertRCReturn(rc, rc);
771
772 rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
773 AssertRCReturn(rc, rc);
774 rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
775 AssertRCReturn(rc, rc);
776 rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
777 AssertRCReturn(rc, rc);
778 rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
779 AssertRCReturn(rc, rc);
780 rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
781 AssertRCReturn(rc, rc);
782 rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
783 AssertRCReturn(rc, rc);
784 rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
785 AssertRCReturn(rc, rc);
786 rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
787 AssertRCReturn(rc, rc);
788 rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
789 AssertRCReturn(rc, rc);
790
791 rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
792 AssertRCReturn(rc, rc);
793
794 rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
795 AssertRCReturn(rc, rc);
796
797 if (pView->partialRecord.cb > 0)
798 {
799 rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
800 AssertRCReturn(rc, rc);
801 }
802 }
803
804 /* Save mouse pointer shape information. */
805 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
806 AssertRCReturn(rc, rc);
807 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
808 AssertRCReturn(rc, rc);
809 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
810 AssertRCReturn(rc, rc);
811 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
812 AssertRCReturn(rc, rc);
813 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
814 AssertRCReturn(rc, rc);
815 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
816 AssertRCReturn(rc, rc);
817 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
818 AssertRCReturn(rc, rc);
819 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
820 AssertRCReturn(rc, rc);
821 if (pCtx->mouseShapeInfo.cbShape)
822 {
823 rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
824 AssertRCReturn(rc, rc);
825 }
826
827 /* Size of some additional data. For future extensions. */
828 rc = SSMR3PutU32 (pSSM, 0);
829 AssertRCReturn(rc, rc);
830 }
831 }
832
833 return rc;
834}
835
836int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
837{
838 if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
839 {
840 /* Nothing was saved. */
841 return VINF_SUCCESS;
842 }
843
844 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
845 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
846 int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
847 if (RT_SUCCESS(rc))
848 {
849 /* Load VBVACONTEXT. */
850 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
851
852 if (!pCtx)
853 {
854 /* This should not happen. */
855 AssertFailed();
856 rc = VERR_INVALID_PARAMETER;
857 }
858 else
859 {
860 uint32_t cViews = 0;
861 rc = SSMR3GetU32 (pSSM, &cViews);
862 AssertRCReturn(rc, rc);
863
864 uint32_t iView;
865 for (iView = 0; iView < cViews; iView++)
866 {
867 VBVAVIEW *pView = &pCtx->aViews[iView];
868
869 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
870 AssertRCReturn(rc, rc);
871 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
872 AssertRCReturn(rc, rc);
873 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
874 AssertRCReturn(rc, rc);
875 rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
876 AssertRCReturn(rc, rc);
877
878 rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
879 AssertRCReturn(rc, rc);
880 rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
881 AssertRCReturn(rc, rc);
882 rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
883 AssertRCReturn(rc, rc);
884 rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
885 AssertRCReturn(rc, rc);
886 rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
887 AssertRCReturn(rc, rc);
888 rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
889 AssertRCReturn(rc, rc);
890 rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
891 AssertRCReturn(rc, rc);
892 rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
893 AssertRCReturn(rc, rc);
894 rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
895 AssertRCReturn(rc, rc);
896
897 rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
898 AssertRCReturn(rc, rc);
899
900 rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
901 AssertRCReturn(rc, rc);
902
903 if (pView->partialRecord.cb == 0)
904 {
905 pView->partialRecord.pu8 = NULL;
906 }
907 else
908 {
909 Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
910
911 uint8_t *pu8 = (uint8_t *)RTMemAlloc (pView->partialRecord.cb);
912
913 if (!pu8)
914 {
915 return VERR_NO_MEMORY;
916 }
917
918 pView->partialRecord.pu8 = pu8;
919
920 rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
921 AssertRCReturn(rc, rc);
922 }
923
924 if ( pView->u32VBVAOffset == HGSMIOFFSET_VOID
925 || pView->screen.u32LineSize == 0) /* Earlier broken saved states. */
926 {
927 pView->pVBVA = NULL;
928 }
929 else
930 {
931 pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
932 }
933 }
934
935 if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
936 {
937 /* Read mouse pointer shape information. */
938 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
939 AssertRCReturn(rc, rc);
940 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
941 AssertRCReturn(rc, rc);
942 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
943 AssertRCReturn(rc, rc);
944 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
945 AssertRCReturn(rc, rc);
946 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
947 AssertRCReturn(rc, rc);
948 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
949 AssertRCReturn(rc, rc);
950 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
951 AssertRCReturn(rc, rc);
952 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
953 AssertRCReturn(rc, rc);
954 if (pCtx->mouseShapeInfo.cbShape)
955 {
956 pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
957 if (pCtx->mouseShapeInfo.pu8Shape == NULL)
958 {
959 return VERR_NO_MEMORY;
960 }
961 pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
962 rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
963 AssertRCReturn(rc, rc);
964 }
965 else
966 {
967 pCtx->mouseShapeInfo.pu8Shape = NULL;
968 }
969
970 /* Size of some additional data. For future extensions. */
971 uint32_t cbExtra = 0;
972 rc = SSMR3GetU32 (pSSM, &cbExtra);
973 AssertRCReturn(rc, rc);
974 if (cbExtra > 0)
975 {
976 rc = SSMR3Skip(pSSM, cbExtra);
977 AssertRCReturn(rc, rc);
978 }
979 }
980
981 pCtx->cViews = iView;
982 LogFlowFunc(("%d views loaded\n", pCtx->cViews));
983
984#ifdef DEBUG_sunlover
985 dumpctx(pCtx);
986#endif
987 }
988 }
989
990 return rc;
991}
992
993int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
994{
995 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
996 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
997
998 if (pCtx)
999 {
1000 uint32_t iView;
1001 for (iView = 0; iView < pCtx->cViews; iView++)
1002 {
1003 VBVAVIEW *pView = &pCtx->aViews[iView];
1004
1005 if (pView->pVBVA)
1006 {
1007 vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset);
1008 vbvaResize (pVGAState, pView, &pView->screen);
1009 }
1010 }
1011
1012 if (pCtx->mouseShapeInfo.fSet)
1013 {
1014 vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1015 }
1016 }
1017
1018 return VINF_SUCCESS;
1019}
1020
1021#ifdef VBOX_WITH_VIDEOHWACCEL
1022static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay)
1023{
1024 memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
1025 pHdr->cRefs = 1;
1026 pHdr->iDisplay = iDisplay;
1027 pHdr->rc = VERR_NOT_IMPLEMENTED;
1028 pHdr->enmCmd = enmCmd;
1029 pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
1030}
1031
1032static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd)
1033{
1034 VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAlloc(cbCmd + VBOXVHWACMD_HEADSIZE());
1035 Assert(pHdr);
1036 if (pHdr)
1037 vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay);
1038
1039 return pHdr;
1040}
1041
1042DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
1043{
1044 uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
1045 if(!cRefs)
1046 {
1047 RTMemFree(pCmd);
1048 }
1049}
1050
1051DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
1052{
1053 ASMAtomicIncU32(&pCmd->cRefs);
1054}
1055
1056static unsigned vbvaVHWAHandleCommand (PVGASTATE pVGAState, VBVACONTEXT *pCtx, PVBOXVHWACMD pCmd)
1057{
1058 if (pVGAState->pDrv->pfnVHWACommandProcess)
1059 pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCmd);
1060#ifdef DEBUG_misha
1061 else
1062 AssertFailed();
1063#endif
1064 return 0;
1065}
1066
1067static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
1068{
1069 RTSemEventSignal((RTSEMEVENT)pContext);
1070}
1071
1072static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
1073{
1074 RTSEMEVENT hComplEvent;
1075 int rc = RTSemEventCreate(&hComplEvent);
1076 AssertRC(rc);
1077 if(RT_SUCCESS(rc))
1078 {
1079 /* ensure the cmd is not deleted until we process it */
1080 vbvaVHWAHHCommandRetain (pCmd);
1081 VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
1082 vbvaVHWAHandleCommand(pVGAState, NULL, pCmd);
1083 if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
1084 {
1085 rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
1086 }
1087 else
1088 {
1089 /* the command is completed */
1090 }
1091
1092 AssertRC(rc);
1093 if(RT_SUCCESS(rc))
1094 {
1095 RTSemEventDestroy(hComplEvent);
1096 }
1097 vbvaVHWAHHCommandRelease(pCmd);
1098 }
1099 return rc;
1100}
1101
1102int vbvaVHWAConstruct (PVGASTATE pVGAState)
1103{
1104 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1105 Assert(pCmd);
1106 if(pCmd)
1107 {
1108 uint32_t iDisplay = 0;
1109 int rc = VINF_SUCCESS;
1110 VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
1111
1112 do
1113 {
1114 memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1115
1116 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1117 PVM pVM = PDMDevHlpGetVM(pDevIns);
1118
1119 pBody->pVM = pVM;
1120 pBody->pvVRAM = pVGAState->vram_ptrR3;
1121 pBody->cbVRAM = pVGAState->vram_size;
1122
1123 rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1124 AssertRC(rc);
1125 if(RT_SUCCESS(rc))
1126 {
1127 rc = pCmd->rc;
1128 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1129 if(rc == VERR_NOT_IMPLEMENTED)
1130 {
1131 /* @todo: set some flag in pVGAState indicating VHWA is not supported */
1132 /* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
1133 rc = VINF_SUCCESS;
1134 }
1135
1136 if (!RT_SUCCESS(rc))
1137 break;
1138 }
1139 else
1140 break;
1141
1142 ++iDisplay;
1143 if (iDisplay >= pVGAState->cMonitors)
1144 break;
1145 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay);
1146 } while (true);
1147
1148 vbvaVHWAHHCommandRelease(pCmd);
1149
1150 return rc;
1151 }
1152 return VERR_OUT_OF_RESOURCES;
1153}
1154
1155int vbvaVHWAReset (PVGASTATE pVGAState)
1156{
1157 /* ensure we have all pending cmds processed and h->g cmds disabled */
1158 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0);
1159 Assert(pCmd);
1160 if(pCmd)
1161 {
1162 int rc = VINF_SUCCESS;
1163 uint32_t iDisplay = 0;
1164
1165 do
1166 {
1167 rc =vbvaVHWAHHCommandPost(pVGAState, pCmd);
1168 AssertRC(rc);
1169 if(RT_SUCCESS(rc))
1170 {
1171 rc = pCmd->rc;
1172 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1173 if (rc == VERR_NOT_IMPLEMENTED)
1174 rc = VINF_SUCCESS;
1175 }
1176
1177 if (!RT_SUCCESS(rc))
1178 break;
1179
1180 ++iDisplay;
1181 if (iDisplay >= pVGAState->cMonitors)
1182 break;
1183 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay);
1184
1185 } while (true);
1186
1187 vbvaVHWAHHCommandRelease(pCmd);
1188
1189 return rc;
1190 }
1191 return VERR_OUT_OF_RESOURCES;
1192}
1193
1194/* @todo call this also on reset? */
1195int vbvaVHWADisable (PVGASTATE pVGAState)
1196{
1197 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_DISABLE, 0, 0);
1198 Assert(pCmd);
1199 if(pCmd)
1200 {
1201 int rc = VINF_SUCCESS;
1202 uint32_t iDisplay = 0;
1203
1204 do
1205 {
1206 rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1207 AssertRC(rc);
1208 if(RT_SUCCESS(rc))
1209 {
1210 rc = pCmd->rc;
1211 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1212 if(rc == VERR_NOT_IMPLEMENTED)
1213 {
1214 rc = VINF_SUCCESS;
1215 }
1216 }
1217
1218 if (!RT_SUCCESS(rc))
1219 break;
1220
1221 ++iDisplay;
1222 if (iDisplay >= pVGAState->cMonitors)
1223 break;
1224 vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_DISABLE, (int32_t)iDisplay);
1225
1226 } while (true);
1227
1228 vbvaVHWAHHCommandRelease(pCmd);
1229
1230 return rc;
1231 }
1232 return VERR_OUT_OF_RESOURCES;
1233}
1234
1235int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1236{
1237 /* ensure we have no pending commands */
1238 return vbvaVHWADisable(PDMINS_2_DATA(pDevIns, PVGASTATE));
1239}
1240
1241#define PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(_pcb) ( (PVGASTATE)((uint8_t *)(_pcb) - RT_OFFSETOF(VGASTATE, IVBVACallbacks)) )
1242
1243int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1244{
1245 int rc;
1246 if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1247 {
1248 PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1249 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1250 VBVAHOSTCMD *pHostCmd;
1251 // Assert(0);
1252
1253 int32_t iDisplay = pCmd->iDisplay;
1254 Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1255 if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1256 {
1257 rc = HGSMIHostCommandAlloc (pIns,
1258 (void**)&pHostCmd,
1259 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1260 HGSMI_CH_VBVA,
1261 VBVAHG_EVENT);
1262 AssertRC(rc);
1263 if(RT_SUCCESS(rc))
1264 {
1265 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1266 pHostCmd->iDstID = pCmd->iDisplay;
1267 pHostCmd->customOpCode = 0;
1268 VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1269 pBody->pEvent = pCmd->GuestVBVAReserved1;
1270 }
1271 }
1272 else
1273 {
1274 HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1275 Assert(offCmd != HGSMIOFFSET_VOID);
1276 if(offCmd != HGSMIOFFSET_VOID)
1277 {
1278 rc = HGSMIHostCommandAlloc (pIns,
1279 (void**)&pHostCmd,
1280 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1281 HGSMI_CH_VBVA,
1282 VBVAHG_DISPLAY_CUSTOM);
1283 AssertRC(rc);
1284 if(RT_SUCCESS(rc))
1285 {
1286 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1287 pHostCmd->iDstID = pCmd->iDisplay;
1288 pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1289 VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1290 pBody->offCmd = offCmd;
1291 }
1292 }
1293 else
1294 {
1295 rc = VERR_INVALID_PARAMETER;
1296 }
1297 }
1298
1299 if(RT_SUCCESS(rc))
1300 {
1301 rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1302 AssertRC(rc);
1303 if(RT_SUCCESS(rc))
1304 {
1305 return rc;
1306 }
1307 HGSMIHostCommandFree (pIns, pHostCmd);
1308 }
1309 }
1310 else
1311 {
1312 PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1313 if(pfn)
1314 {
1315 pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1316 }
1317 rc = VINF_SUCCESS;
1318 }
1319 return rc;
1320}
1321#endif
1322
1323
1324/*
1325 *
1326 * New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
1327 *
1328 * VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
1329 * Read Write
1330 * Host port 0x3b0 to process completed
1331 * Guest port 0x3d0 control value? to process
1332 *
1333 */
1334
1335static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
1336{
1337#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOXVDMA))
1338 PVGASTATE pVGAState = (PVGASTATE)pvCallback;
1339 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1340 PDMCritSectEnter(&pVGAState->lock, VERR_SEM_BUSY);
1341 HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ);
1342 PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1343 PDMCritSectLeave(&pVGAState->lock);
1344#else
1345 NOREF(pvCallback);
1346 /* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
1347#endif
1348}
1349
1350/* The guest submitted a buffer. @todo Verify all guest data. */
1351static DECLCALLBACK(int) vbvaChannelHandler (void *pvHandler, uint16_t u16ChannelInfo, void *pvBuffer, HGSMISIZE cbBuffer)
1352{
1353 int rc = VINF_SUCCESS;
1354
1355 LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
1356 pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
1357
1358 PVGASTATE pVGAState = (PVGASTATE)pvHandler;
1359 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1360 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
1361
1362 switch (u16ChannelInfo)
1363 {
1364#ifdef VBOXVDMA
1365 case VBVA_VDMA_CMD:
1366 {
1367 PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1368 vboxVDMACommand(pVGAState->pVdma, pCmd);
1369 rc = VINF_SUCCESS;
1370 break;
1371 }
1372 case VBVA_VDMA_CTL:
1373 {
1374 PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1375 vboxVDMAControl(pVGAState->pVdma, pCmd);
1376 rc = VINF_SUCCESS;
1377 break;
1378 }
1379#endif
1380 case VBVA_QUERY_CONF32:
1381 {
1382 if (cbBuffer < sizeof (VBVACONF32))
1383 {
1384 rc = VERR_INVALID_PARAMETER;
1385 break;
1386 }
1387
1388 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1389 LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
1390 pConf32->u32Index, pConf32->u32Value));
1391
1392 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1393 {
1394 pConf32->u32Value = pCtx->cViews;
1395 }
1396 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1397 {
1398 /* @todo a value caclucated from the vram size */
1399 pConf32->u32Value = 64*_1K;
1400 }
1401 else
1402 {
1403 Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
1404 pConf32->u32Index));
1405 rc = VERR_INVALID_PARAMETER;
1406 }
1407 } break;
1408
1409 case VBVA_SET_CONF32:
1410 {
1411 if (cbBuffer < sizeof (VBVACONF32))
1412 {
1413 rc = VERR_INVALID_PARAMETER;
1414 break;
1415 }
1416
1417 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1418 LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
1419 pConf32->u32Index, pConf32->u32Value));
1420
1421 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1422 {
1423 /* do nothing. this is a const. */
1424 }
1425 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1426 {
1427 /* do nothing. this is a const. */
1428 }
1429 else
1430 {
1431 Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
1432 pConf32->u32Index));
1433 rc = VERR_INVALID_PARAMETER;
1434 }
1435 } break;
1436
1437 case VBVA_INFO_VIEW:
1438 {
1439 if (cbBuffer < sizeof (VBVAINFOVIEW))
1440 {
1441 rc = VERR_INVALID_PARAMETER;
1442 break;
1443 }
1444
1445 /* Guest submits an array of VBVAINFOVIEW structures. */
1446 VBVAINFOVIEW *pView = (VBVAINFOVIEW *)pvBuffer;
1447
1448 for (;
1449 cbBuffer >= sizeof (VBVAINFOVIEW);
1450 pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
1451 {
1452 LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1453 pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1454
1455 /* @todo verify view data. */
1456 if (pView->u32ViewIndex >= pCtx->cViews)
1457 {
1458 Log(("View index too large %d!!!\n",
1459 pView->u32ViewIndex));
1460 rc = VERR_INVALID_PARAMETER;
1461 break;
1462 }
1463
1464 pCtx->aViews[pView->u32ViewIndex].view = *pView;
1465 }
1466 } break;
1467
1468 case VBVA_INFO_HEAP:
1469 {
1470 if (cbBuffer < sizeof (VBVAINFOHEAP))
1471 {
1472 rc = VERR_INVALID_PARAMETER;
1473 break;
1474 }
1475
1476 VBVAINFOHEAP *pHeap = (VBVAINFOHEAP *)pvBuffer;
1477 LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
1478 pHeap->u32HeapOffset, pHeap->u32HeapSize));
1479
1480 rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
1481 } break;
1482
1483 case VBVA_FLUSH:
1484 {
1485 if (cbBuffer < sizeof (VBVAFLUSH))
1486 {
1487 rc = VERR_INVALID_PARAMETER;
1488 break;
1489 }
1490
1491 VBVAFLUSH *pFlush = (VBVAFLUSH *)pvBuffer;
1492 LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
1493 pFlush->u32Reserved));
1494
1495 rc = vbvaFlush (pVGAState, pCtx);
1496 } break;
1497
1498 case VBVA_INFO_SCREEN:
1499 {
1500 if (cbBuffer < sizeof (VBVAINFOSCREEN))
1501 {
1502 rc = VERR_INVALID_PARAMETER;
1503 break;
1504 }
1505
1506 VBVAINFOSCREEN *pScreen = (VBVAINFOSCREEN *)pvBuffer;
1507 LogFlowFunc(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1508 pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1509 pScreen->u32Width, pScreen->u32Height,
1510 pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1511
1512 if (pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews))
1513 {
1514 vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1515 }
1516 else
1517 {
1518 Log(("View index too large %d!!!\n",
1519 pScreen->u32ViewIndex));
1520 rc = VERR_INVALID_PARAMETER;
1521 }
1522 } break;
1523
1524 case VBVA_ENABLE:
1525 {
1526 if (cbBuffer < sizeof (VBVAENABLE))
1527 {
1528 rc = VERR_INVALID_PARAMETER;
1529 break;
1530 }
1531
1532 VBVAENABLE *pEnable = (VBVAENABLE *)pvBuffer;
1533 unsigned uScreenId;
1534#ifdef VBOXWDDM_WITH_VBVA
1535 if (pEnable->u32Flags & VBVA_F_EXTENDED)
1536 {
1537 if (cbBuffer < sizeof (VBVAENABLE_EX))
1538 {
1539 rc = VERR_INVALID_PARAMETER;
1540 break;
1541 }
1542
1543 VBVAENABLE_EX *pEnableEx = (VBVAENABLE_EX *)pvBuffer;
1544 uScreenId = pEnableEx->u32ScreenId;
1545 }
1546 else
1547#endif
1548 {
1549 uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
1550 }
1551
1552 if (uScreenId == ~0U)
1553 {
1554 rc = VERR_INVALID_PARAMETER;
1555 break;
1556 }
1557
1558 LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
1559 uScreenId, pEnable->u32Flags, pEnable->u32Offset));
1560
1561 if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE)
1562 {
1563 /* Guest reported offset relative to view. */
1564 uint32_t u32Offset = pEnable->u32Offset + pCtx->aViews[uScreenId].view.u32ViewOffset;
1565
1566 VBVABUFFER *pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, u32Offset);
1567
1568 if (pVBVA)
1569 {
1570 /* Process any pending orders and empty the VBVA ring buffer. */
1571 vbvaFlush (pVGAState, pCtx);
1572
1573 rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset);
1574 }
1575 else
1576 {
1577 Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
1578 pEnable->u32Offset));
1579 rc = VERR_INVALID_PARAMETER;
1580 }
1581 }
1582 else if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE)
1583 {
1584 rc = vbvaDisable (uScreenId, pVGAState, pCtx);
1585 }
1586 else
1587 {
1588 Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
1589 pEnable->u32Flags));
1590 rc = VERR_INVALID_PARAMETER;
1591 }
1592
1593 pEnable->i32Result = rc;
1594 } break;
1595
1596 case VBVA_MOUSE_POINTER_SHAPE:
1597 {
1598 if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
1599 {
1600 rc = VERR_INVALID_PARAMETER;
1601 break;
1602 }
1603
1604 VBVAMOUSEPOINTERSHAPE *pShape = (VBVAMOUSEPOINTERSHAPE *)pvBuffer;
1605
1606 LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
1607 pShape->i32Result,
1608 pShape->fu32Flags,
1609 pShape->u32HotX,
1610 pShape->u32HotY,
1611 pShape->u32Width,
1612 pShape->u32Height));
1613
1614 rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
1615
1616 pShape->i32Result = rc;
1617 } break;
1618
1619
1620#ifdef VBOX_WITH_VIDEOHWACCEL
1621 case VBVA_VHWA_CMD:
1622 {
1623 rc = vbvaVHWAHandleCommand (pVGAState, pCtx, (PVBOXVHWACMD)pvBuffer);
1624 } break;
1625#endif
1626
1627 default:
1628 Log(("Unsupported VBVA guest command %d!!!\n",
1629 u16ChannelInfo));
1630 break;
1631 }
1632
1633 return rc;
1634}
1635
1636void VBVAReset (PVGASTATE pVGAState)
1637{
1638 if (!pVGAState || !pVGAState->pHGSMI)
1639 {
1640 return;
1641 }
1642
1643 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1644
1645#ifdef VBOX_WITH_VIDEOHWACCEL
1646 vbvaVHWAReset (pVGAState);
1647#endif
1648
1649 uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
1650 if(HgFlags & HGSMIHOSTFLAGS_IRQ)
1651 {
1652 /* this means the IRQ is LEVEL_HIGH, need to reset it */
1653 PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
1654 }
1655
1656 if (pCtx)
1657 {
1658 vbvaFlush (pVGAState, pCtx);
1659
1660 unsigned uScreenId;
1661
1662 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
1663 {
1664 vbvaDisable (uScreenId, pVGAState, pCtx);
1665 }
1666
1667 pCtx->mouseShapeInfo.fSet = false;
1668 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
1669 pCtx->mouseShapeInfo.pu8Shape = NULL;
1670 pCtx->mouseShapeInfo.cbAllocated = 0;
1671 pCtx->mouseShapeInfo.cbShape = 0;
1672 }
1673
1674}
1675
1676int VBVAUpdateDisplay (PVGASTATE pVGAState)
1677{
1678 int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
1679
1680 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1681
1682 if (pCtx)
1683 {
1684 rc = vbvaFlush (pVGAState, pCtx);
1685
1686 if (RT_SUCCESS (rc))
1687 {
1688 if (!pCtx->aViews[0].pVBVA)
1689 {
1690 /* VBVA is not enabled for the first view, so VGA device must do updates. */
1691 rc = VERR_NOT_SUPPORTED;
1692 }
1693 }
1694 }
1695
1696 return rc;
1697}
1698
1699static HGSMICHANNELHANDLER sOldChannelHandler;
1700
1701int VBVAInit (PVGASTATE pVGAState)
1702{
1703 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1704
1705 PVM pVM = PDMDevHlpGetVM(pDevIns);
1706
1707 int rc = HGSMICreate (&pVGAState->pHGSMI,
1708 pVM,
1709 "VBVA",
1710 0,
1711 pVGAState->vram_ptrR3,
1712 pVGAState->vram_size,
1713 vbvaNotifyGuest,
1714 pVGAState,
1715 sizeof (VBVACONTEXT));
1716
1717 if (RT_SUCCESS (rc))
1718 {
1719 rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
1720 HGSMI_CH_VBVA,
1721 vbvaChannelHandler,
1722 pVGAState,
1723 &sOldChannelHandler);
1724 if (RT_SUCCESS (rc))
1725 {
1726 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1727 pCtx->cViews = pVGAState->cMonitors;
1728 }
1729 }
1730
1731 return rc;
1732
1733}
1734
1735void VBVADestroy (PVGASTATE pVGAState)
1736{
1737 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1738
1739 if (pCtx)
1740 {
1741 pCtx->mouseShapeInfo.fSet = false;
1742 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
1743 pCtx->mouseShapeInfo.pu8Shape = NULL;
1744 pCtx->mouseShapeInfo.cbAllocated = 0;
1745 pCtx->mouseShapeInfo.cbShape = 0;
1746 }
1747
1748 HGSMIDestroy (pVGAState->pHGSMI);
1749 pVGAState->pHGSMI = NULL;
1750}
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