VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 27179

Last change on this file since 27179 was 26969, checked in by vboxsync, 15 years ago

wddm: bugfixes + stubs for DMA support in VGA device
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 52.7 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 VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, VBOXVHWACMD_LENGTH cbCmd)
1004{
1005 VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAlloc(cbCmd + VBOXVHWACMD_HEADSIZE());
1006 Assert(pHdr);
1007 if (pHdr)
1008 {
1009 memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
1010 pHdr->cRefs = 1;
1011 pHdr->rc = VERR_NOT_IMPLEMENTED;
1012 pHdr->enmCmd = enmCmd;
1013 pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
1014 }
1015
1016 return pHdr;
1017}
1018
1019DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
1020{
1021 uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
1022 if(!cRefs)
1023 {
1024 RTMemFree(pCmd);
1025 }
1026}
1027
1028DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
1029{
1030 ASMAtomicIncU32(&pCmd->cRefs);
1031}
1032
1033static unsigned vbvaVHWAHandleCommand (PVGASTATE pVGAState, VBVACONTEXT *pCtx, PVBOXVHWACMD pCmd)
1034{
1035 if (pVGAState->pDrv->pfnVHWACommandProcess)
1036 pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCmd);
1037#ifdef DEBUG_misha
1038 else
1039 AssertFailed();
1040#endif
1041 return 0;
1042}
1043
1044static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
1045{
1046 RTSemEventSignal((RTSEMEVENT)pContext);
1047}
1048
1049static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
1050{
1051 RTSEMEVENT hComplEvent;
1052 int rc = RTSemEventCreate(&hComplEvent);
1053 AssertRC(rc);
1054 if(RT_SUCCESS(rc))
1055 {
1056 /* ensure the cmd is not deleted until we process it */
1057 vbvaVHWAHHCommandRetain (pCmd);
1058 VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
1059 vbvaVHWAHandleCommand(pVGAState, NULL, pCmd);
1060 if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
1061 {
1062 rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
1063 }
1064 else
1065 {
1066 /* the command is completed */
1067 }
1068
1069 AssertRC(rc);
1070 if(RT_SUCCESS(rc))
1071 {
1072 RTSemEventDestroy(hComplEvent);
1073 }
1074 vbvaVHWAHHCommandRelease(pCmd);
1075 }
1076 return rc;
1077}
1078
1079int vbvaVHWAConstruct (PVGASTATE pVGAState)
1080{
1081 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1082 Assert(pCmd);
1083 if(pCmd)
1084 {
1085 VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
1086 memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1087
1088 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1089 PVM pVM = PDMDevHlpGetVM(pDevIns);
1090
1091 pBody->pVM = pVM;
1092
1093 int rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1094 AssertRC(rc);
1095 if(RT_SUCCESS(rc))
1096 {
1097 rc = pCmd->rc;
1098 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1099 if(rc == VERR_NOT_IMPLEMENTED)
1100 {
1101 /* @todo: set some flag in pVGAState indicating VHWA is not supported */
1102 /* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
1103 rc = VINF_SUCCESS;
1104 }
1105 }
1106
1107 vbvaVHWAHHCommandRelease(pCmd);
1108
1109 return rc;
1110 }
1111 return VERR_OUT_OF_RESOURCES;
1112}
1113
1114int vbvaVHWAReset (PVGASTATE pVGAState)
1115{
1116 /* ensure we have all pending cmds processed and h->g cmds disabled */
1117 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0);
1118 Assert(pCmd);
1119 if(pCmd)
1120 {
1121 int rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1122 AssertRC(rc);
1123 if(RT_SUCCESS(rc))
1124 {
1125 rc = pCmd->rc;
1126 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1127 if (rc == VERR_NOT_IMPLEMENTED)
1128 rc = VINF_SUCCESS;
1129 }
1130
1131 vbvaVHWAHHCommandRelease(pCmd);
1132
1133 return rc;
1134 }
1135 return VERR_OUT_OF_RESOURCES;
1136}
1137
1138/* @todo call this also on reset? */
1139int vbvaVHWADisable (PVGASTATE pVGAState)
1140{
1141 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_DISABLE, 0);
1142 Assert(pCmd);
1143 if(pCmd)
1144 {
1145 int rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1146 AssertRC(rc);
1147 if(RT_SUCCESS(rc))
1148 {
1149 rc = pCmd->rc;
1150#ifdef DEBUG_misha
1151 AssertMsg(RT_SUCCESS(rc), ("%Rrc\n", rc));
1152#else
1153 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1154#endif
1155 if(rc == VERR_NOT_IMPLEMENTED)
1156 {
1157 rc = VINF_SUCCESS;
1158 }
1159 }
1160
1161 vbvaVHWAHHCommandRelease(pCmd);
1162
1163 return rc;
1164 }
1165 return VERR_OUT_OF_RESOURCES;
1166}
1167
1168int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1169{
1170 /* ensure we have no pending commands */
1171 return vbvaVHWADisable(PDMINS_2_DATA(pDevIns, PVGASTATE));
1172}
1173
1174#define PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(_pcb) ( (PVGASTATE)((uint8_t *)(_pcb) - RT_OFFSETOF(VGASTATE, IVBVACallbacks)) )
1175
1176int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1177{
1178 int rc;
1179 if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1180 {
1181 PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1182 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1183 VBVAHOSTCMD *pHostCmd;
1184 // Assert(0);
1185
1186 int32_t iDisplay = pCmd->iDisplay;
1187 Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1188 if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1189 {
1190 rc = HGSMIHostCommandAlloc (pIns,
1191 (void**)&pHostCmd,
1192 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1193 HGSMI_CH_VBVA,
1194 VBVAHG_EVENT);
1195 AssertRC(rc);
1196 if(RT_SUCCESS(rc))
1197 {
1198 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1199 pHostCmd->iDstID = pCmd->iDisplay;
1200 pHostCmd->customOpCode = 0;
1201 VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1202 pBody->pEvent = pCmd->GuestVBVAReserved1;
1203 }
1204 }
1205 else
1206 {
1207 HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1208 Assert(offCmd != HGSMIOFFSET_VOID);
1209 if(offCmd != HGSMIOFFSET_VOID)
1210 {
1211 rc = HGSMIHostCommandAlloc (pIns,
1212 (void**)&pHostCmd,
1213 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1214 HGSMI_CH_VBVA,
1215 VBVAHG_DISPLAY_CUSTOM);
1216 AssertRC(rc);
1217 if(RT_SUCCESS(rc))
1218 {
1219 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1220 pHostCmd->iDstID = pCmd->iDisplay;
1221 pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1222 VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1223 pBody->offCmd = offCmd;
1224 }
1225 }
1226 else
1227 {
1228 rc = VERR_INVALID_PARAMETER;
1229 }
1230 }
1231
1232 if(RT_SUCCESS(rc))
1233 {
1234 rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1235 AssertRC(rc);
1236 if(RT_SUCCESS(rc))
1237 {
1238 return rc;
1239 }
1240 HGSMIHostCommandFree (pIns, pHostCmd);
1241 }
1242 }
1243 else
1244 {
1245 PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1246 if(pfn)
1247 {
1248 pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1249 }
1250 rc = VINF_SUCCESS;
1251 }
1252 return rc;
1253}
1254#endif
1255
1256
1257/*
1258 *
1259 * New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
1260 *
1261 * VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
1262 * Read Write
1263 * Host port 0x3b0 to process completed
1264 * Guest port 0x3d0 control value? to process
1265 *
1266 */
1267
1268static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
1269{
1270#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOXVDMA))
1271 PVGASTATE pVGAState = (PVGASTATE)pvCallback;
1272 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1273 PDMCritSectEnter(&pVGAState->lock, VERR_SEM_BUSY);
1274 HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ);
1275 PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1276 PDMCritSectLeave(&pVGAState->lock);
1277#else
1278 NOREF(pvCallback);
1279 /* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
1280#endif
1281}
1282
1283/* The guest submitted a buffer. @todo Verify all guest data. */
1284static DECLCALLBACK(int) vbvaChannelHandler (void *pvHandler, uint16_t u16ChannelInfo, void *pvBuffer, HGSMISIZE cbBuffer)
1285{
1286 int rc = VINF_SUCCESS;
1287
1288 LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
1289 pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
1290
1291 PVGASTATE pVGAState = (PVGASTATE)pvHandler;
1292 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1293 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
1294
1295 switch (u16ChannelInfo)
1296 {
1297#ifdef VBOXVDMA
1298 case VBVA_VDMA_CMD:
1299 {
1300 PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1301 vboxVDMACommand(pVGAState, pVGAState->pVdma, pCmd);
1302 rc = VINF_SUCCESS;
1303 break;
1304 }
1305 case VBVA_VDMA_CTL:
1306 {
1307 PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer);
1308 vboxVDMAControl(pVGAState, pVGAState->pVdma, pCmd);
1309 rc = VINF_SUCCESS;
1310 break;
1311 }
1312#endif
1313 case VBVA_QUERY_CONF32:
1314 {
1315 if (cbBuffer < sizeof (VBVACONF32))
1316 {
1317 rc = VERR_INVALID_PARAMETER;
1318 break;
1319 }
1320
1321 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1322 LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
1323 pConf32->u32Index, pConf32->u32Value));
1324
1325 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1326 {
1327 pConf32->u32Value = pCtx->cViews;
1328 }
1329 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1330 {
1331 /* @todo a value caclucated from the vram size */
1332 pConf32->u32Value = 64*_1K;
1333 }
1334 else
1335 {
1336 Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
1337 pConf32->u32Index));
1338 rc = VERR_INVALID_PARAMETER;
1339 }
1340 } break;
1341
1342 case VBVA_SET_CONF32:
1343 {
1344 if (cbBuffer < sizeof (VBVACONF32))
1345 {
1346 rc = VERR_INVALID_PARAMETER;
1347 break;
1348 }
1349
1350 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1351 LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
1352 pConf32->u32Index, pConf32->u32Value));
1353
1354 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1355 {
1356 /* do nothing. this is a const. */
1357 }
1358 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1359 {
1360 /* do nothing. this is a const. */
1361 }
1362 else
1363 {
1364 Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
1365 pConf32->u32Index));
1366 rc = VERR_INVALID_PARAMETER;
1367 }
1368 } break;
1369
1370 case VBVA_INFO_VIEW:
1371 {
1372 if (cbBuffer < sizeof (VBVAINFOVIEW))
1373 {
1374 rc = VERR_INVALID_PARAMETER;
1375 break;
1376 }
1377
1378 /* Guest submits an array of VBVAINFOVIEW structures. */
1379 VBVAINFOVIEW *pView = (VBVAINFOVIEW *)pvBuffer;
1380
1381 for (;
1382 cbBuffer >= sizeof (VBVAINFOVIEW);
1383 pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
1384 {
1385 LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1386 pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1387
1388 /* @todo verify view data. */
1389 if (pView->u32ViewIndex >= pCtx->cViews)
1390 {
1391 Log(("View index too large %d!!!\n",
1392 pView->u32ViewIndex));
1393 rc = VERR_INVALID_PARAMETER;
1394 break;
1395 }
1396
1397 pCtx->aViews[pView->u32ViewIndex].view = *pView;
1398 }
1399 } break;
1400
1401 case VBVA_INFO_HEAP:
1402 {
1403 if (cbBuffer < sizeof (VBVAINFOHEAP))
1404 {
1405 rc = VERR_INVALID_PARAMETER;
1406 break;
1407 }
1408
1409 VBVAINFOHEAP *pHeap = (VBVAINFOHEAP *)pvBuffer;
1410 LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
1411 pHeap->u32HeapOffset, pHeap->u32HeapSize));
1412
1413 rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
1414 } break;
1415
1416 case VBVA_FLUSH:
1417 {
1418 if (cbBuffer < sizeof (VBVAFLUSH))
1419 {
1420 rc = VERR_INVALID_PARAMETER;
1421 break;
1422 }
1423
1424 VBVAFLUSH *pFlush = (VBVAFLUSH *)pvBuffer;
1425 LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
1426 pFlush->u32Reserved));
1427
1428 rc = vbvaFlush (pVGAState, pCtx);
1429 } break;
1430
1431 case VBVA_INFO_SCREEN:
1432 {
1433 if (cbBuffer < sizeof (VBVAINFOSCREEN))
1434 {
1435 rc = VERR_INVALID_PARAMETER;
1436 break;
1437 }
1438
1439 VBVAINFOSCREEN *pScreen = (VBVAINFOSCREEN *)pvBuffer;
1440 LogFlowFunc(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1441 pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1442 pScreen->u32Width, pScreen->u32Height,
1443 pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1444
1445 if (pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews))
1446 {
1447 vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1448 }
1449 else
1450 {
1451 Log(("View index too large %d!!!\n",
1452 pScreen->u32ViewIndex));
1453 rc = VERR_INVALID_PARAMETER;
1454 }
1455 } break;
1456
1457 case VBVA_ENABLE:
1458 {
1459 if (cbBuffer < sizeof (VBVAENABLE))
1460 {
1461 rc = VERR_INVALID_PARAMETER;
1462 break;
1463 }
1464
1465 unsigned uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
1466
1467 if (uScreenId == ~0U)
1468 {
1469 rc = VERR_INVALID_PARAMETER;
1470 break;
1471 }
1472
1473 VBVAENABLE *pEnable = (VBVAENABLE *)pvBuffer;
1474 LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
1475 uScreenId, pEnable->u32Flags, pEnable->u32Offset));
1476
1477 if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE)
1478 {
1479 /* Guest reported offset relative to view. */
1480 uint32_t u32Offset = pEnable->u32Offset + pCtx->aViews[uScreenId].view.u32ViewOffset;
1481
1482 VBVABUFFER *pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, u32Offset);
1483
1484 if (pVBVA)
1485 {
1486 /* Process any pending orders and empty the VBVA ring buffer. */
1487 vbvaFlush (pVGAState, pCtx);
1488
1489 rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset);
1490 }
1491 else
1492 {
1493 Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
1494 pEnable->u32Offset));
1495 rc = VERR_INVALID_PARAMETER;
1496 }
1497 }
1498 else if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE)
1499 {
1500 rc = vbvaDisable (uScreenId, pVGAState, pCtx);
1501 }
1502 else
1503 {
1504 Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
1505 pEnable->u32Flags));
1506 rc = VERR_INVALID_PARAMETER;
1507 }
1508
1509 pEnable->i32Result = rc;
1510 } break;
1511
1512 case VBVA_MOUSE_POINTER_SHAPE:
1513 {
1514 if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
1515 {
1516 rc = VERR_INVALID_PARAMETER;
1517 break;
1518 }
1519
1520 VBVAMOUSEPOINTERSHAPE *pShape = (VBVAMOUSEPOINTERSHAPE *)pvBuffer;
1521
1522 LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
1523 pShape->i32Result,
1524 pShape->fu32Flags,
1525 pShape->u32HotX,
1526 pShape->u32HotY,
1527 pShape->u32Width,
1528 pShape->u32Height));
1529
1530 rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
1531
1532 pShape->i32Result = rc;
1533 } break;
1534
1535
1536#ifdef VBOX_WITH_VIDEOHWACCEL
1537 case VBVA_VHWA_CMD:
1538 {
1539 rc = vbvaVHWAHandleCommand (pVGAState, pCtx, (PVBOXVHWACMD)pvBuffer);
1540 } break;
1541#endif
1542
1543 default:
1544 Log(("Unsupported VBVA guest command %d!!!\n",
1545 u16ChannelInfo));
1546 break;
1547 }
1548
1549 return rc;
1550}
1551
1552void VBVAReset (PVGASTATE pVGAState)
1553{
1554 if (!pVGAState || !pVGAState->pHGSMI)
1555 {
1556 return;
1557 }
1558
1559 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1560
1561#ifdef VBOX_WITH_VIDEOHWACCEL
1562 vbvaVHWAReset (pVGAState);
1563#endif
1564
1565 uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
1566 if(HgFlags & HGSMIHOSTFLAGS_IRQ)
1567 {
1568 /* this means the IRQ is LEVEL_HIGH, need to reset it */
1569 PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
1570 }
1571
1572 if (pCtx)
1573 {
1574 vbvaFlush (pVGAState, pCtx);
1575
1576 unsigned uScreenId;
1577
1578 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
1579 {
1580 vbvaDisable (uScreenId, pVGAState, pCtx);
1581 }
1582
1583 pCtx->mouseShapeInfo.fSet = false;
1584 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
1585 pCtx->mouseShapeInfo.pu8Shape = NULL;
1586 pCtx->mouseShapeInfo.cbAllocated = 0;
1587 pCtx->mouseShapeInfo.cbShape = 0;
1588 }
1589
1590}
1591
1592int VBVAUpdateDisplay (PVGASTATE pVGAState)
1593{
1594 int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
1595
1596 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1597
1598 if (pCtx)
1599 {
1600 rc = vbvaFlush (pVGAState, pCtx);
1601
1602 if (RT_SUCCESS (rc))
1603 {
1604 if (!pCtx->aViews[0].pVBVA)
1605 {
1606 /* VBVA is not enabled for the first view, so VGA device must do updates. */
1607 rc = VERR_NOT_SUPPORTED;
1608 }
1609 }
1610 }
1611
1612 return rc;
1613}
1614
1615static HGSMICHANNELHANDLER sOldChannelHandler;
1616
1617int VBVAInit (PVGASTATE pVGAState)
1618{
1619 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1620
1621 PVM pVM = PDMDevHlpGetVM(pDevIns);
1622
1623 int rc = HGSMICreate (&pVGAState->pHGSMI,
1624 pVM,
1625 "VBVA",
1626 0,
1627 pVGAState->vram_ptrR3,
1628 pVGAState->vram_size,
1629 vbvaNotifyGuest,
1630 pVGAState,
1631 sizeof (VBVACONTEXT));
1632
1633 if (RT_SUCCESS (rc))
1634 {
1635 rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
1636 HGSMI_CH_VBVA,
1637 vbvaChannelHandler,
1638 pVGAState,
1639 &sOldChannelHandler);
1640 if (RT_SUCCESS (rc))
1641 {
1642 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1643 pCtx->cViews = pVGAState->cMonitors;
1644 }
1645 }
1646
1647 return rc;
1648
1649}
1650
1651void VBVADestroy (PVGASTATE pVGAState)
1652{
1653 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1654
1655 if (pCtx)
1656 {
1657 pCtx->mouseShapeInfo.fSet = false;
1658 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
1659 pCtx->mouseShapeInfo.pu8Shape = NULL;
1660 pCtx->mouseShapeInfo.cbAllocated = 0;
1661 pCtx->mouseShapeInfo.cbShape = 0;
1662 }
1663
1664 HGSMIDestroy (pVGAState->pHGSMI);
1665 pVGAState->pHGSMI = NULL;
1666}
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