VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp@ 26163

Last change on this file since 26163 was 25985, checked in by vboxsync, 15 years ago

pdmifs.h: the final batch of refactored interface ID code.
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File size: 52.3 KB
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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/** The default amount of VRAM. */
38#define VGA_VRAM_DEFAULT (_4M)
39/** The maximum amount of VRAM. */
40#define VGA_VRAM_MAX (128 * _1M)
41/** The minimum amount of VRAM. */
42#define VGA_VRAM_MIN (_1M)
43
44#include "DevVGA.h"
45
46/* A very detailed logging. */
47#if 0 // def DEBUG_sunlover
48#define LOGVBVABUFFER(a) LogFlow(a)
49#else
50#define LOGVBVABUFFER(a) do {} while(0)
51#endif
52
53typedef struct _VBVAPARTIALRECORD
54{
55 uint8_t *pu8;
56 uint32_t cb;
57} VBVAPARTIALRECORD;
58
59typedef struct _VBVAVIEW
60{
61 VBVAINFOVIEW view;
62 VBVAINFOSCREEN screen;
63 VBVABUFFER *pVBVA;
64 uint32_t u32VBVAOffset;
65 VBVAPARTIALRECORD partialRecord;
66} VBVAVIEW;
67
68typedef struct VBVAMOUSESHAPEINFO
69{
70 bool fSet;
71 bool fVisible;
72 bool fAlpha;
73 uint32_t u32HotX;
74 uint32_t u32HotY;
75 uint32_t u32Width;
76 uint32_t u32Height;
77 uint32_t cbShape;
78 uint32_t cbAllocated;
79 uint8_t *pu8Shape;
80} VBVAMOUSESHAPEINFO;
81
82/* @todo saved state: save and restore VBVACONTEXT */
83typedef struct _VBVACONTEXT
84{
85 uint32_t cViews;
86 VBVAVIEW aViews[64 /* @todo SchemaDefs::MaxGuestMonitors*/];
87 VBVAMOUSESHAPEINFO mouseShapeInfo;
88} VBVACONTEXT;
89
90/* Copies 'cb' bytes from the VBVA ring buffer to the 'pu8Dst'.
91 * Used for partial records or for records which cross the ring boundary.
92 */
93static void vbvaFetchBytes (VBVABUFFER *pVBVA, uint8_t *pu8Dst, uint32_t cb)
94{
95 /* @todo replace the 'if' with an assert. The caller must ensure this condition. */
96 if (cb >= pVBVA->cbData)
97 {
98 AssertMsgFailed (("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVA->cbData));
99 return;
100 }
101
102 const uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
103 const uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
104 const int32_t i32Diff = cb - u32BytesTillBoundary;
105
106 if (i32Diff <= 0)
107 {
108 /* Chunk will not cross buffer boundary. */
109 memcpy (pu8Dst, src, cb);
110 }
111 else
112 {
113 /* Chunk crosses buffer boundary. */
114 memcpy (pu8Dst, src, u32BytesTillBoundary);
115 memcpy (pu8Dst + u32BytesTillBoundary, &pVBVA->au8Data[0], i32Diff);
116 }
117
118 /* Advance data offset. */
119 pVBVA->off32Data = (pVBVA->off32Data + cb) % pVBVA->cbData;
120
121 return;
122}
123
124
125static bool vbvaPartialRead (VBVAPARTIALRECORD *pPartialRecord, uint32_t cbRecord, VBVABUFFER *pVBVA)
126{
127 uint8_t *pu8New;
128
129 LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n",
130 pPartialRecord->pu8, pPartialRecord->cb, cbRecord));
131
132 if (pPartialRecord->pu8)
133 {
134 Assert (pPartialRecord->cb);
135 pu8New = (uint8_t *)RTMemRealloc (pPartialRecord->pu8, cbRecord);
136 }
137 else
138 {
139 Assert (!pPartialRecord->cb);
140 pu8New = (uint8_t *)RTMemAlloc (cbRecord);
141 }
142
143 if (!pu8New)
144 {
145 /* Memory allocation failed, fail the function. */
146 Log(("vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n",
147 cbRecord));
148
149 if (pPartialRecord->pu8)
150 {
151 RTMemFree (pPartialRecord->pu8);
152 }
153
154 pPartialRecord->pu8 = NULL;
155 pPartialRecord->cb = 0;
156
157 return false;
158 }
159
160 /* Fetch data from the ring buffer. */
161 vbvaFetchBytes (pVBVA, pu8New + pPartialRecord->cb, cbRecord - pPartialRecord->cb);
162
163 pPartialRecord->pu8 = pu8New;
164 pPartialRecord->cb = cbRecord;
165
166 return true;
167}
168
169/* For contiguous chunks just return the address in the buffer.
170 * For crossing boundary - allocate a buffer from heap.
171 */
172static bool vbvaFetchCmd (VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA, VBVACMDHDR **ppHdr, uint32_t *pcbCmd)
173{
174 uint32_t indexRecordFirst = pVBVA->indexRecordFirst;
175 uint32_t indexRecordFree = pVBVA->indexRecordFree;
176
177 LOGVBVABUFFER(("first = %d, free = %d\n",
178 indexRecordFirst, indexRecordFree));
179
180 if (indexRecordFirst == indexRecordFree)
181 {
182 /* No records to process. Return without assigning output variables. */
183 return true;
184 }
185
186 VBVARECORD *pRecord = &pVBVA->aRecords[indexRecordFirst];
187
188 LOGVBVABUFFER(("cbRecord = 0x%08X\n", pRecord->cbRecord));
189
190 uint32_t cbRecord = pRecord->cbRecord & ~VBVA_F_RECORD_PARTIAL;
191
192 if (pPartialRecord->cb)
193 {
194 /* There is a partial read in process. Continue with it. */
195 Assert (pPartialRecord->pu8);
196
197 LOGVBVABUFFER(("continue partial record cb = %d cbRecord 0x%08X, first = %d, free = %d\n",
198 pPartialRecord->cb, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
199
200 if (cbRecord > pPartialRecord->cb)
201 {
202 /* New data has been added to the record. */
203 if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
204 {
205 return false;
206 }
207 }
208
209 if (!(pRecord->cbRecord & VBVA_F_RECORD_PARTIAL))
210 {
211 /* The record is completed by guest. Return it to the caller. */
212 *ppHdr = (VBVACMDHDR *)pPartialRecord->pu8;
213 *pcbCmd = pPartialRecord->cb;
214
215 pPartialRecord->pu8 = NULL;
216 pPartialRecord->cb = 0;
217
218 /* Advance the record index. */
219 pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
220
221 LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n",
222 pVBVA->off32Data, pVBVA->off32Free));
223 }
224
225 return true;
226 }
227
228 /* A new record need to be processed. */
229 if (pRecord->cbRecord & VBVA_F_RECORD_PARTIAL)
230 {
231 /* Current record is being written by guest. '=' is important here,
232 * because the guest will do a FLUSH at this condition.
233 * This partual record is too large for the ring buffer and must
234 * be accumulated in an allocated buffer.
235 */
236 if (cbRecord >= pVBVA->cbData - pVBVA->cbPartialWriteThreshold)
237 {
238 /* Partial read must be started. */
239 if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA))
240 {
241 return false;
242 }
243
244 LOGVBVABUFFER(("started partial record cb = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n",
245 pPartialRecord->cb, pRecord->cbRecord, indexRecordFirst, indexRecordFree));
246 }
247
248 return true;
249 }
250
251 /* Current record is complete. If it is not empty, process it. */
252 if (cbRecord)
253 {
254 /* The size of largest contiguos chunk in the ring biffer. */
255 uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data;
256
257 /* The pointer to data in the ring buffer. */
258 uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data];
259
260 /* Fetch or point the data. */
261 if (u32BytesTillBoundary >= cbRecord)
262 {
263 /* The command does not cross buffer boundary. Return address in the buffer. */
264 *ppHdr = (VBVACMDHDR *)src;
265
266 /* Advance data offset. */
267 pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
268 }
269 else
270 {
271 /* The command crosses buffer boundary. Rare case, so not optimized. */
272 uint8_t *dst = (uint8_t *)RTMemAlloc (cbRecord);
273
274 if (!dst)
275 {
276 LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord));
277 pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData;
278 return false;
279 }
280
281 vbvaFetchBytes (pVBVA, dst, cbRecord);
282
283 *ppHdr = (VBVACMDHDR *)dst;
284
285 LOGVBVABUFFER(("Allocated from heap %p\n", dst));
286 }
287 }
288
289 *pcbCmd = cbRecord;
290
291 /* Advance the record index. */
292 pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords);
293
294 LOGVBVABUFFER(("done ok, data = %d, free = %d\n",
295 pVBVA->off32Data, pVBVA->off32Free));
296
297 return true;
298}
299
300static void vbvaReleaseCmd (VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA, VBVACMDHDR *pHdr, uint32_t cbCmd)
301{
302 uint8_t *au8RingBuffer = &pVBVA->au8Data[0];
303
304 if ( (uint8_t *)pHdr >= au8RingBuffer
305 && (uint8_t *)pHdr < &au8RingBuffer[pVBVA->cbData])
306 {
307 /* The pointer is inside ring buffer. Must be continuous chunk. */
308 Assert (pVBVA->cbData - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);
309
310 /* Do nothing. */
311
312 Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
313 }
314 else
315 {
316 /* The pointer is outside. It is then an allocated copy. */
317 LOGVBVABUFFER(("Free heap %p\n", pHdr));
318
319 if ((uint8_t *)pHdr == pPartialRecord->pu8)
320 {
321 pPartialRecord->pu8 = NULL;
322 pPartialRecord->cb = 0;
323 }
324 else
325 {
326 Assert (!pPartialRecord->pu8 && pPartialRecord->cb == 0);
327 }
328
329 RTMemFree (pHdr);
330 }
331
332 return;
333}
334
335static int vbvaFlushProcess (unsigned uScreenId, PVGASTATE pVGAState, VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA)
336{
337 LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n",
338 uScreenId, pVBVA->indexRecordFirst, pVBVA->indexRecordFree, pVBVA->off32Data, pVBVA->off32Free));
339 struct {
340 /* The rectangle that includes all dirty rectangles. */
341 int32_t xLeft;
342 int32_t xRight;
343 int32_t yTop;
344 int32_t yBottom;
345 } dirtyRect;
346 memset(&dirtyRect, 0, sizeof(dirtyRect));
347
348 bool fUpdate = false; /* Whether there were any updates. */
349
350 for (;;)
351 {
352 VBVACMDHDR *phdr = NULL;
353 uint32_t cbCmd = ~0;
354
355 /* Fetch the command data. */
356 if (!vbvaFetchCmd (pPartialRecord, pVBVA, &phdr, &cbCmd))
357 {
358 LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n",
359 pVBVA->off32Data, pVBVA->off32Free));
360
361 /* @todo old code disabled VBVA processing here. */
362 return VERR_NOT_SUPPORTED;
363 }
364
365 if (cbCmd == uint32_t(~0))
366 {
367 /* No more commands yet in the queue. */
368 break;
369 }
370
371 if (cbCmd != 0)
372 {
373 if (!fUpdate)
374 {
375 pVGAState->pDrv->pfnVBVAUpdateBegin (pVGAState->pDrv, uScreenId);
376 fUpdate = true;
377 }
378
379 /* Updates the rectangle and sends the command to the VRDP server. */
380 pVGAState->pDrv->pfnVBVAUpdateProcess (pVGAState->pDrv, uScreenId, phdr, cbCmd);
381
382 int32_t xRight = phdr->x + phdr->w;
383 int32_t yBottom = phdr->y + phdr->h;
384
385 /* These are global coords, relative to the primary screen. */
386
387 LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n",
388 cbCmd, phdr->x, phdr->y, phdr->w, phdr->h));
389
390 /* Collect all rects into one. */
391 if (dirtyRect.xRight == 0)
392 {
393 /* This is the first rectangle to be added. */
394 dirtyRect.xLeft = phdr->x;
395 dirtyRect.yTop = phdr->y;
396 dirtyRect.xRight = xRight;
397 dirtyRect.yBottom = yBottom;
398 }
399 else
400 {
401 /* Adjust region coordinates. */
402 if (dirtyRect.xLeft > phdr->x)
403 {
404 dirtyRect.xLeft = phdr->x;
405 }
406
407 if (dirtyRect.yTop > phdr->y)
408 {
409 dirtyRect.yTop = phdr->y;
410 }
411
412 if (dirtyRect.xRight < xRight)
413 {
414 dirtyRect.xRight = xRight;
415 }
416
417 if (dirtyRect.yBottom < yBottom)
418 {
419 dirtyRect.yBottom = yBottom;
420 }
421 }
422 }
423
424 vbvaReleaseCmd (pPartialRecord, pVBVA, phdr, cbCmd);
425 }
426
427 if (fUpdate)
428 {
429 if(dirtyRect.xRight)
430 {
431 pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop,
432 dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop);
433 }
434 else
435 {
436 pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, 0, 0, 0, 0);
437 }
438 }
439
440 return VINF_SUCCESS;
441}
442
443static int vbvaFlush (PVGASTATE pVGAState, VBVACONTEXT *pCtx)
444{
445 unsigned uScreenId;
446
447 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
448 {
449 VBVAPARTIALRECORD *pPartialRecord = &pCtx->aViews[uScreenId].partialRecord;
450 VBVABUFFER *pVBVA = pCtx->aViews[uScreenId].pVBVA;
451
452 if (pVBVA)
453 {
454 vbvaFlushProcess (uScreenId, pVGAState, pPartialRecord, pVBVA);
455 }
456 }
457
458 /* @todo rc */
459 return VINF_SUCCESS;
460}
461
462static int vbvaResize (PVGASTATE pVGAState, VBVAVIEW *pView, const VBVAINFOSCREEN *pNewScreen)
463{
464 /* Verify pNewScreen. */
465 /* @todo */
466
467 /* Apply these changes. */
468 pView->screen = *pNewScreen;
469
470 uint8_t *pu8VRAM = pVGAState->vram_ptrR3 + pView->view.u32ViewOffset;
471
472 int rc = pVGAState->pDrv->pfnVBVAResize (pVGAState->pDrv, &pView->view, &pView->screen, pu8VRAM);
473
474 /* @todo process VINF_VGA_RESIZE_IN_PROGRESS? */
475
476 return rc;
477}
478
479static int vbvaEnable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx, VBVABUFFER *pVBVA, uint32_t u32Offset)
480{
481 /* @todo old code did a UpdateDisplayAll at this place. */
482
483 int rc;
484
485 if (pVGAState->pDrv->pfnVBVAEnable)
486 {
487 pVBVA->hostFlags.u32HostEvents = 0;
488 pVBVA->hostFlags.u32SupportedOrders = 0;
489
490 rc = pVGAState->pDrv->pfnVBVAEnable (pVGAState->pDrv, uScreenId, &pVBVA->hostFlags);
491 }
492 else
493 {
494 rc = VERR_NOT_SUPPORTED;
495 }
496
497 if (RT_SUCCESS (rc))
498 {
499 /* pVBVA->hostFlags has been set up by pfnVBVAEnable. */
500 LogFlowFunc(("u32HostEvents 0x%08X, u32SupportedOrders 0x%08X\n",
501 pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders));
502
503 pCtx->aViews[uScreenId].partialRecord.pu8 = NULL;
504 pCtx->aViews[uScreenId].partialRecord.cb = 0;
505
506 pCtx->aViews[uScreenId].pVBVA = pVBVA;
507 pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset;
508 }
509
510 return rc;
511}
512
513static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx)
514{
515 /* Process any pending orders and empty the VBVA ring buffer. */
516 vbvaFlush (pVGAState, pCtx);
517
518 VBVAVIEW *pView = &pCtx->aViews[uScreenId];
519
520 if (pView->pVBVA)
521 {
522 pView->pVBVA->hostFlags.u32HostEvents = 0;
523 pView->pVBVA->hostFlags.u32SupportedOrders = 0;
524
525 pView->partialRecord.pu8 = NULL;
526 pView->partialRecord.cb = 0;
527
528 pView->pVBVA = NULL;
529 pView->u32VBVAOffset = HGSMIOFFSET_VOID;
530 }
531
532 pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
533 return VINF_SUCCESS;
534}
535
536#ifdef DEBUG_sunlover
537void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo)
538{
539 LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n",
540 pMouseShapeInfo->fSet,
541 pMouseShapeInfo->fVisible,
542 pMouseShapeInfo->fAlpha,
543 pMouseShapeInfo->u32HotX,
544 pMouseShapeInfo->u32HotY,
545 pMouseShapeInfo->u32Width,
546 pMouseShapeInfo->u32Height,
547 pMouseShapeInfo->pu8Shape,
548 pMouseShapeInfo->cbShape,
549 pMouseShapeInfo->cbAllocated
550 ));
551}
552#endif
553
554static int vbvaUpdateMousePointerShape(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO *pMouseShapeInfo, bool fShape, const uint8_t *pu8Shape)
555{
556 int rc;
557 LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n",
558 pVGAState, pMouseShapeInfo, fShape, pu8Shape));
559#ifdef DEBUG_sunlover
560 dumpMouseShapeInfo(pMouseShapeInfo);
561#endif
562
563 if (fShape && pu8Shape != NULL)
564 {
565 rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
566 pMouseShapeInfo->fVisible,
567 pMouseShapeInfo->fAlpha,
568 pMouseShapeInfo->u32HotX,
569 pMouseShapeInfo->u32HotY,
570 pMouseShapeInfo->u32Width,
571 pMouseShapeInfo->u32Height,
572 pu8Shape);
573 }
574 else
575 {
576 rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv,
577 pMouseShapeInfo->fVisible,
578 false,
579 0, 0,
580 0, 0,
581 NULL);
582 }
583
584 return rc;
585}
586
587static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT *pCtx, const VBVAMOUSEPOINTERSHAPE *pShape, HGSMISIZE cbShape)
588{
589 bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0;
590 bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0;
591 bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0;
592
593 HGSMISIZE cbPointerData = 0;
594
595 if (fShape)
596 {
597 cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3)
598 + pShape->u32Width * 4 * pShape->u32Height;
599 }
600
601 if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))
602 {
603 Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n",
604 cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)));
605 return VERR_INVALID_PARAMETER;
606 }
607
608 /* Save mouse info it will be used to restore mouse pointer after restoring saved state. */
609 pCtx->mouseShapeInfo.fSet = true;
610 pCtx->mouseShapeInfo.fVisible = fVisible;
611 pCtx->mouseShapeInfo.fAlpha = fAlpha;
612 if (fShape)
613 {
614 /* Data related to shape. */
615 pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX;
616 pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY;
617 pCtx->mouseShapeInfo.u32Width = pShape->u32Width;
618 pCtx->mouseShapeInfo.u32Height = pShape->u32Height;
619
620 /* Reallocate memory buffer if necessary. */
621 if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated)
622 {
623 RTMemFree (pCtx->mouseShapeInfo.pu8Shape);
624 pCtx->mouseShapeInfo.pu8Shape = NULL;
625 pCtx->mouseShapeInfo.cbShape = 0;
626
627 uint8_t *pu8Shape = (uint8_t *)RTMemAlloc (cbPointerData);
628 if (pu8Shape)
629 {
630 pCtx->mouseShapeInfo.pu8Shape = pu8Shape;
631 pCtx->mouseShapeInfo.cbAllocated = cbPointerData;
632 }
633 }
634
635 /* Copy shape bitmaps. */
636 if (pCtx->mouseShapeInfo.pu8Shape)
637 {
638 memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData);
639 pCtx->mouseShapeInfo.cbShape = cbPointerData;
640 }
641 }
642
643 if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL)
644 {
645 return VERR_NOT_SUPPORTED;
646 }
647
648 int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]);
649
650 return rc;
651}
652
653static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT *pCtx, const void *pvBuffer)
654{
655 /* Check which view contains the buffer. */
656 HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost (pIns, pvBuffer);
657
658 if (offBuffer != HGSMIOFFSET_VOID)
659 {
660 unsigned uScreenId;
661
662 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
663 {
664 VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view;
665
666 if ( pView->u32ViewSize > 0
667 && pView->u32ViewOffset <= offBuffer
668 && offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1)
669 {
670 return pView->u32ViewIndex;
671 }
672 }
673 }
674
675 return ~0U;
676}
677
678#ifdef DEBUG_sunlover
679static void dumpctx(const VBVACONTEXT *pCtx)
680{
681 Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews));
682
683 uint32_t iView;
684 for (iView = 0; iView < pCtx->cViews; iView++)
685 {
686 const VBVAVIEW *pView = &pCtx->aViews[iView];
687
688 Log((" view %d o 0x%x s 0x%x m 0x%x\n",
689 pView->view.u32ViewIndex,
690 pView->view.u32ViewOffset,
691 pView->view.u32ViewSize,
692 pView->view.u32MaxScreenSize));
693
694 Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n",
695 pView->screen.u32ViewIndex,
696 pView->screen.i32OriginX,
697 pView->screen.i32OriginY,
698 pView->screen.u32StartOffset,
699 pView->screen.u32LineSize,
700 pView->screen.u32Width,
701 pView->screen.u32Height,
702 pView->screen.u16BitsPerPixel,
703 pView->screen.u16Flags));
704
705 Log((" VBVA o 0x%x p %p\n",
706 pView->u32VBVAOffset,
707 pView->pVBVA));
708
709 Log((" PR cb 0x%x p %p\n",
710 pView->partialRecord.cb,
711 pView->partialRecord.pu8));
712 }
713
714 dumpMouseShapeInfo(&pCtx->mouseShapeInfo);
715}
716#endif /* DEBUG_sunlover */
717
718int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
719{
720 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
721 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
722
723 int rc = HGSMIHostSaveStateExec (pIns, pSSM);
724 if (RT_SUCCESS(rc))
725 {
726 /* Save VBVACONTEXT. */
727 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
728
729 if (!pCtx)
730 {
731 AssertFailed();
732
733 /* Still write a valid value to the SSM. */
734 rc = SSMR3PutU32 (pSSM, 0);
735 AssertRCReturn(rc, rc);
736 }
737 else
738 {
739#ifdef DEBUG_sunlover
740 dumpctx(pCtx);
741#endif
742
743 rc = SSMR3PutU32 (pSSM, pCtx->cViews);
744 AssertRCReturn(rc, rc);
745
746 uint32_t iView;
747 for (iView = 0; iView < pCtx->cViews; iView++)
748 {
749 VBVAVIEW *pView = &pCtx->aViews[iView];
750
751 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex);
752 AssertRCReturn(rc, rc);
753 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset);
754 AssertRCReturn(rc, rc);
755 rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize);
756 AssertRCReturn(rc, rc);
757 rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize);
758 AssertRCReturn(rc, rc);
759
760 rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex);
761 AssertRCReturn(rc, rc);
762 rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX);
763 AssertRCReturn(rc, rc);
764 rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY);
765 AssertRCReturn(rc, rc);
766 rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset);
767 AssertRCReturn(rc, rc);
768 rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize);
769 AssertRCReturn(rc, rc);
770 rc = SSMR3PutU32 (pSSM, pView->screen.u32Width);
771 AssertRCReturn(rc, rc);
772 rc = SSMR3PutU32 (pSSM, pView->screen.u32Height);
773 AssertRCReturn(rc, rc);
774 rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel);
775 AssertRCReturn(rc, rc);
776 rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags);
777 AssertRCReturn(rc, rc);
778
779 rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID);
780 AssertRCReturn(rc, rc);
781
782 rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb);
783 AssertRCReturn(rc, rc);
784
785 if (pView->partialRecord.cb > 0)
786 {
787 rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
788 AssertRCReturn(rc, rc);
789 }
790 }
791
792 /* Save mouse pointer shape information. */
793 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet);
794 AssertRCReturn(rc, rc);
795 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible);
796 AssertRCReturn(rc, rc);
797 rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha);
798 AssertRCReturn(rc, rc);
799 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX);
800 AssertRCReturn(rc, rc);
801 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY);
802 AssertRCReturn(rc, rc);
803 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width);
804 AssertRCReturn(rc, rc);
805 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height);
806 AssertRCReturn(rc, rc);
807 rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape);
808 AssertRCReturn(rc, rc);
809 if (pCtx->mouseShapeInfo.cbShape)
810 {
811 rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
812 AssertRCReturn(rc, rc);
813 }
814
815 /* Size of some additional data. For future extensions. */
816 rc = SSMR3PutU32 (pSSM, 0);
817 AssertRCReturn(rc, rc);
818 }
819 }
820
821 return rc;
822}
823
824int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version)
825{
826 if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI)
827 {
828 /* Nothing was saved. */
829 return VINF_SUCCESS;
830 }
831
832 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
833 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
834 int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version);
835 if (RT_SUCCESS(rc))
836 {
837 /* Load VBVACONTEXT. */
838 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
839
840 if (!pCtx)
841 {
842 /* This should not happen. */
843 AssertFailed();
844 rc = VERR_INVALID_PARAMETER;
845 }
846 else
847 {
848 uint32_t cViews = 0;
849 rc = SSMR3GetU32 (pSSM, &cViews);
850 AssertRCReturn(rc, rc);
851
852 uint32_t iView;
853 for (iView = 0; iView < cViews; iView++)
854 {
855 VBVAVIEW *pView = &pCtx->aViews[iView];
856
857 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex);
858 AssertRCReturn(rc, rc);
859 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset);
860 AssertRCReturn(rc, rc);
861 rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize);
862 AssertRCReturn(rc, rc);
863 rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize);
864 AssertRCReturn(rc, rc);
865
866 rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex);
867 AssertRCReturn(rc, rc);
868 rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX);
869 AssertRCReturn(rc, rc);
870 rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY);
871 AssertRCReturn(rc, rc);
872 rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset);
873 AssertRCReturn(rc, rc);
874 rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize);
875 AssertRCReturn(rc, rc);
876 rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width);
877 AssertRCReturn(rc, rc);
878 rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height);
879 AssertRCReturn(rc, rc);
880 rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel);
881 AssertRCReturn(rc, rc);
882 rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags);
883 AssertRCReturn(rc, rc);
884
885 rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset);
886 AssertRCReturn(rc, rc);
887
888 rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb);
889 AssertRCReturn(rc, rc);
890
891 if (pView->partialRecord.cb == 0)
892 {
893 pView->partialRecord.pu8 = NULL;
894 }
895 else
896 {
897 Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */
898
899 uint8_t *pu8 = (uint8_t *)RTMemAlloc (pView->partialRecord.cb);
900
901 if (!pu8)
902 {
903 return VERR_NO_MEMORY;
904 }
905
906 pView->partialRecord.pu8 = pu8;
907
908 rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb);
909 AssertRCReturn(rc, rc);
910 }
911
912 if ( pView->u32VBVAOffset == HGSMIOFFSET_VOID
913 || pView->screen.u32LineSize == 0) /* Earlier broken saved states. */
914 {
915 pView->pVBVA = NULL;
916 }
917 else
918 {
919 pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset);
920 }
921 }
922
923 if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG)
924 {
925 /* Read mouse pointer shape information. */
926 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet);
927 AssertRCReturn(rc, rc);
928 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible);
929 AssertRCReturn(rc, rc);
930 rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha);
931 AssertRCReturn(rc, rc);
932 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX);
933 AssertRCReturn(rc, rc);
934 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY);
935 AssertRCReturn(rc, rc);
936 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width);
937 AssertRCReturn(rc, rc);
938 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height);
939 AssertRCReturn(rc, rc);
940 rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape);
941 AssertRCReturn(rc, rc);
942 if (pCtx->mouseShapeInfo.cbShape)
943 {
944 pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape);
945 if (pCtx->mouseShapeInfo.pu8Shape == NULL)
946 {
947 return VERR_NO_MEMORY;
948 }
949 pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape;
950 rc = SSMR3GetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape);
951 AssertRCReturn(rc, rc);
952 }
953 else
954 {
955 pCtx->mouseShapeInfo.pu8Shape = NULL;
956 }
957
958 /* Size of some additional data. For future extensions. */
959 uint32_t cbExtra = 0;
960 rc = SSMR3GetU32 (pSSM, &cbExtra);
961 AssertRCReturn(rc, rc);
962 if (cbExtra > 0)
963 {
964 rc = SSMR3Skip(pSSM, cbExtra);
965 AssertRCReturn(rc, rc);
966 }
967 }
968
969 pCtx->cViews = iView;
970 LogFlowFunc(("%d views loaded\n", pCtx->cViews));
971
972#ifdef DEBUG_sunlover
973 dumpctx(pCtx);
974#endif
975 }
976 }
977
978 return rc;
979}
980
981int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
982{
983 PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE);
984 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
985
986 if (pCtx)
987 {
988 uint32_t iView;
989 for (iView = 0; iView < pCtx->cViews; iView++)
990 {
991 VBVAVIEW *pView = &pCtx->aViews[iView];
992
993 if (pView->pVBVA)
994 {
995 vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset);
996 vbvaResize (pVGAState, pView, &pView->screen);
997 }
998 }
999
1000 if (pCtx->mouseShapeInfo.fSet)
1001 {
1002 vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape);
1003 }
1004 }
1005
1006 return VINF_SUCCESS;
1007}
1008
1009#ifdef VBOX_WITH_VIDEOHWACCEL
1010static VBOXVHWACMD* vbvaVHWAHHCommandCreate (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, VBOXVHWACMD_LENGTH cbCmd)
1011{
1012 VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAlloc(cbCmd + VBOXVHWACMD_HEADSIZE());
1013 Assert(pHdr);
1014 if (pHdr)
1015 {
1016 memset(pHdr, 0, VBOXVHWACMD_HEADSIZE());
1017 pHdr->cRefs = 1;
1018 pHdr->rc = VERR_GENERAL_FAILURE;
1019 pHdr->enmCmd = enmCmd;
1020 pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD;
1021 }
1022
1023 return pHdr;
1024}
1025
1026DECLINLINE(void) vbvaVHWAHHCommandRelease (VBOXVHWACMD* pCmd)
1027{
1028 uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs);
1029 if(!cRefs)
1030 {
1031 RTMemFree(pCmd);
1032 }
1033}
1034
1035DECLINLINE(void) vbvaVHWAHHCommandRetain (VBOXVHWACMD* pCmd)
1036{
1037 ASMAtomicIncU32(&pCmd->cRefs);
1038}
1039
1040static unsigned vbvaVHWAHandleCommand (PVGASTATE pVGAState, VBVACONTEXT *pCtx, PVBOXVHWACMD pCmd)
1041{
1042 if (pVGAState->pDrv->pfnVHWACommandProcess)
1043 pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCmd);
1044 else
1045 AssertFailed();
1046 return 0;
1047}
1048
1049static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext)
1050{
1051 RTSemEventSignal((RTSEMEVENT)pContext);
1052}
1053
1054static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, VBOXVHWACMD* pCmd)
1055{
1056 RTSEMEVENT hComplEvent;
1057 int rc = RTSemEventCreate(&hComplEvent);
1058 AssertRC(rc);
1059 if(RT_SUCCESS(rc))
1060 {
1061 /* ensure the cmd is not deleted until we process it */
1062 vbvaVHWAHHCommandRetain (pCmd);
1063 VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void*)hComplEvent);
1064 vbvaVHWAHandleCommand(pVGAState, NULL, pCmd);
1065 if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0)
1066 {
1067 rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT);
1068 }
1069 else
1070 {
1071 /* the command is completed */
1072 }
1073
1074 AssertRC(rc);
1075 if(RT_SUCCESS(rc))
1076 {
1077 RTSemEventDestroy(hComplEvent);
1078 }
1079 vbvaVHWAHHCommandRelease(pCmd);
1080 }
1081 return rc;
1082}
1083
1084int vbvaVHWAConstruct (PVGASTATE pVGAState)
1085{
1086 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_CONSTRUCT, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1087 Assert(pCmd);
1088 if(pCmd)
1089 {
1090 VBOXVHWACMD_HH_CONSTRUCT * pBody = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_CONSTRUCT);
1091 memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT));
1092
1093 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1094 PVM pVM = PDMDevHlpGetVM(pDevIns);
1095
1096 pBody->pVM = pVM;
1097
1098 int rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1099 AssertRC(rc);
1100 if(RT_SUCCESS(rc))
1101 {
1102 rc = pCmd->rc;
1103 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1104 if(rc == VERR_NOT_IMPLEMENTED)
1105 {
1106 /* @todo: set some flag in pVGAState indicating VHWA is not supported */
1107 /* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */
1108 rc = VINF_SUCCESS;
1109 }
1110 }
1111
1112 vbvaVHWAHHCommandRelease(pCmd);
1113
1114 return rc;
1115 }
1116 return VERR_OUT_OF_RESOURCES;
1117}
1118
1119int vbvaVHWAReset (PVGASTATE pVGAState)
1120{
1121 /* ensure we have all pending cmds processed and h->g cmds disabled */
1122 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0);
1123 Assert(pCmd);
1124 if(pCmd)
1125 {
1126 int rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1127 AssertRC(rc);
1128 if(RT_SUCCESS(rc))
1129 {
1130 rc = pCmd->rc;
1131 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1132 if (rc == VERR_NOT_IMPLEMENTED)
1133 rc = VINF_SUCCESS;
1134 }
1135
1136 vbvaVHWAHHCommandRelease(pCmd);
1137
1138 return rc;
1139 }
1140 return VERR_OUT_OF_RESOURCES;
1141}
1142
1143/* @todo call this also on reset? */
1144int vbvaVHWADisable (PVGASTATE pVGAState)
1145{
1146 VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_DISABLE, 0);
1147 Assert(pCmd);
1148 if(pCmd)
1149 {
1150 int rc = vbvaVHWAHHCommandPost(pVGAState, pCmd);
1151 AssertRC(rc);
1152 if(RT_SUCCESS(rc))
1153 {
1154 rc = pCmd->rc;
1155#ifdef DEBUG_misha
1156 AssertMsg(RT_SUCCESS(rc), ("%Rrc\n", rc));
1157#else
1158 AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc));
1159#endif
1160 if(rc == VERR_NOT_IMPLEMENTED)
1161 {
1162 rc = VINF_SUCCESS;
1163 }
1164 }
1165
1166 vbvaVHWAHHCommandRelease(pCmd);
1167
1168 return rc;
1169 }
1170 return VERR_OUT_OF_RESOURCES;
1171}
1172
1173int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
1174{
1175 /* ensure we have no pending commands */
1176 return vbvaVHWADisable(PDMINS_2_DATA(pDevIns, PVGASTATE));
1177}
1178
1179#define PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(_pcb) ( (PVGASTATE)((uint8_t *)(_pcb) - RT_OFFSETOF(VGASTATE, IVBVACallbacks)) )
1180
1181int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
1182{
1183 int rc;
1184 if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0)
1185 {
1186 PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface);
1187 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1188 VBVAHOSTCMD *pHostCmd;
1189 // Assert(0);
1190
1191 int32_t iDisplay = pCmd->iDisplay;
1192 Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
1193 if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT)
1194 {
1195 rc = HGSMIHostCommandAlloc (pIns,
1196 (void**)&pHostCmd,
1197 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)),
1198 HGSMI_CH_VBVA,
1199 VBVAHG_EVENT);
1200 AssertRC(rc);
1201 if(RT_SUCCESS(rc))
1202 {
1203 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)));
1204 pHostCmd->iDstID = pCmd->iDisplay;
1205 pHostCmd->customOpCode = 0;
1206 VBVAHOSTCMDEVENT *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT);
1207 pBody->pEvent = pCmd->GuestVBVAReserved1;
1208 }
1209 }
1210 else
1211 {
1212 HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost (pIns, pCmd);
1213 Assert(offCmd != HGSMIOFFSET_VOID);
1214 if(offCmd != HGSMIOFFSET_VOID)
1215 {
1216 rc = HGSMIHostCommandAlloc (pIns,
1217 (void**)&pHostCmd,
1218 VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)),
1219 HGSMI_CH_VBVA,
1220 VBVAHG_DISPLAY_CUSTOM);
1221 AssertRC(rc);
1222 if(RT_SUCCESS(rc))
1223 {
1224 memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)));
1225 pHostCmd->iDstID = pCmd->iDisplay;
1226 pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE;
1227 VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE);
1228 pBody->offCmd = offCmd;
1229 }
1230 }
1231 else
1232 {
1233 rc = VERR_INVALID_PARAMETER;
1234 }
1235 }
1236
1237 if(RT_SUCCESS(rc))
1238 {
1239 rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0);
1240 AssertRC(rc);
1241 if(RT_SUCCESS(rc))
1242 {
1243 return rc;
1244 }
1245 HGSMIHostCommandFree (pIns, pHostCmd);
1246 }
1247 }
1248 else
1249 {
1250 PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd);
1251 if(pfn)
1252 {
1253 pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd));
1254 }
1255 rc = VINF_SUCCESS;
1256 }
1257 return rc;
1258}
1259#endif
1260
1261
1262/*
1263 *
1264 * New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01
1265 *
1266 * VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands.
1267 * Read Write
1268 * Host port 0x3b0 to process completed
1269 * Guest port 0x3d0 control value? to process
1270 *
1271 */
1272
1273static DECLCALLBACK(void) vbvaNotifyGuest (void *pvCallback)
1274{
1275#if defined(VBOX_WITH_HGSMI) && defined(VBOX_WITH_VIDEOHWACCEL)
1276 PVGASTATE pVGAState = (PVGASTATE)pvCallback;
1277 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1278 PDMCritSectEnter(&pVGAState->lock, VERR_SEM_BUSY);
1279 HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ);
1280 PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH);
1281 PDMCritSectLeave(&pVGAState->lock);
1282#else
1283 NOREF(pvCallback);
1284 /* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */
1285#endif
1286}
1287
1288/* The guest submitted a buffer. @todo Verify all guest data. */
1289static DECLCALLBACK(int) vbvaChannelHandler (void *pvHandler, uint16_t u16ChannelInfo, void *pvBuffer, HGSMISIZE cbBuffer)
1290{
1291 int rc = VINF_SUCCESS;
1292
1293 LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n",
1294 pvHandler, u16ChannelInfo, pvBuffer, cbBuffer));
1295
1296 PVGASTATE pVGAState = (PVGASTATE)pvHandler;
1297 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
1298 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
1299
1300 switch (u16ChannelInfo)
1301 {
1302 case VBVA_QUERY_CONF32:
1303 {
1304 if (cbBuffer < sizeof (VBVACONF32))
1305 {
1306 rc = VERR_INVALID_PARAMETER;
1307 break;
1308 }
1309
1310 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1311 LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n",
1312 pConf32->u32Index, pConf32->u32Value));
1313
1314 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1315 {
1316 pConf32->u32Value = pCtx->cViews;
1317 }
1318 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1319 {
1320 /* @todo a value caclucated from the vram size */
1321 pConf32->u32Value = 64*_1K;
1322 }
1323 else
1324 {
1325 Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n",
1326 pConf32->u32Index));
1327 rc = VERR_INVALID_PARAMETER;
1328 }
1329 } break;
1330
1331 case VBVA_SET_CONF32:
1332 {
1333 if (cbBuffer < sizeof (VBVACONF32))
1334 {
1335 rc = VERR_INVALID_PARAMETER;
1336 break;
1337 }
1338
1339 VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer;
1340 LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n",
1341 pConf32->u32Index, pConf32->u32Value));
1342
1343 if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT)
1344 {
1345 /* do nothing. this is a const. */
1346 }
1347 else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE)
1348 {
1349 /* do nothing. this is a const. */
1350 }
1351 else
1352 {
1353 Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n",
1354 pConf32->u32Index));
1355 rc = VERR_INVALID_PARAMETER;
1356 }
1357 } break;
1358
1359 case VBVA_INFO_VIEW:
1360 {
1361 if (cbBuffer < sizeof (VBVAINFOVIEW))
1362 {
1363 rc = VERR_INVALID_PARAMETER;
1364 break;
1365 }
1366
1367 /* Guest submits an array of VBVAINFOVIEW structures. */
1368 VBVAINFOVIEW *pView = (VBVAINFOVIEW *)pvBuffer;
1369
1370 for (;
1371 cbBuffer >= sizeof (VBVAINFOVIEW);
1372 pView++, cbBuffer -= sizeof (VBVAINFOVIEW))
1373 {
1374 LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n",
1375 pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize));
1376
1377 /* @todo verify view data. */
1378 if (pView->u32ViewIndex >= pCtx->cViews)
1379 {
1380 Log(("View index too large %d!!!\n",
1381 pView->u32ViewIndex));
1382 rc = VERR_INVALID_PARAMETER;
1383 break;
1384 }
1385
1386 pCtx->aViews[pView->u32ViewIndex].view = *pView;
1387 }
1388 } break;
1389
1390 case VBVA_INFO_HEAP:
1391 {
1392 if (cbBuffer < sizeof (VBVAINFOHEAP))
1393 {
1394 rc = VERR_INVALID_PARAMETER;
1395 break;
1396 }
1397
1398 VBVAINFOHEAP *pHeap = (VBVAINFOHEAP *)pvBuffer;
1399 LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n",
1400 pHeap->u32HeapOffset, pHeap->u32HeapSize));
1401
1402 rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize);
1403 } break;
1404
1405 case VBVA_FLUSH:
1406 {
1407 if (cbBuffer < sizeof (VBVAFLUSH))
1408 {
1409 rc = VERR_INVALID_PARAMETER;
1410 break;
1411 }
1412
1413 VBVAFLUSH *pFlush = (VBVAFLUSH *)pvBuffer;
1414 LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n",
1415 pFlush->u32Reserved));
1416
1417 rc = vbvaFlush (pVGAState, pCtx);
1418 } break;
1419
1420 case VBVA_INFO_SCREEN:
1421 {
1422 if (cbBuffer < sizeof (VBVAINFOSCREEN))
1423 {
1424 rc = VERR_INVALID_PARAMETER;
1425 break;
1426 }
1427
1428 VBVAINFOSCREEN *pScreen = (VBVAINFOSCREEN *)pvBuffer;
1429 LogFlowFunc(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n",
1430 pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY,
1431 pScreen->u32Width, pScreen->u32Height,
1432 pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags));
1433
1434 if (pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews))
1435 {
1436 vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen);
1437 }
1438 else
1439 {
1440 Log(("View index too large %d!!!\n",
1441 pScreen->u32ViewIndex));
1442 rc = VERR_INVALID_PARAMETER;
1443 }
1444 } break;
1445
1446 case VBVA_ENABLE:
1447 {
1448 if (cbBuffer < sizeof (VBVAENABLE))
1449 {
1450 rc = VERR_INVALID_PARAMETER;
1451 break;
1452 }
1453
1454 unsigned uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer);
1455
1456 if (uScreenId == ~0U)
1457 {
1458 rc = VERR_INVALID_PARAMETER;
1459 break;
1460 }
1461
1462 VBVAENABLE *pEnable = (VBVAENABLE *)pvBuffer;
1463 LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n",
1464 uScreenId, pEnable->u32Flags, pEnable->u32Offset));
1465
1466 if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE)
1467 {
1468 /* Guest reported offset relative to view. */
1469 uint32_t u32Offset = pEnable->u32Offset + pCtx->aViews[uScreenId].view.u32ViewOffset;
1470
1471 VBVABUFFER *pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, u32Offset);
1472
1473 if (pVBVA)
1474 {
1475 /* Process any pending orders and empty the VBVA ring buffer. */
1476 vbvaFlush (pVGAState, pCtx);
1477
1478 rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset);
1479 }
1480 else
1481 {
1482 Log(("Invalid VBVABUFFER offset 0x%x!!!\n",
1483 pEnable->u32Offset));
1484 rc = VERR_INVALID_PARAMETER;
1485 }
1486 }
1487 else if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE)
1488 {
1489 rc = vbvaDisable (uScreenId, pVGAState, pCtx);
1490 }
1491 else
1492 {
1493 Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n",
1494 pEnable->u32Flags));
1495 rc = VERR_INVALID_PARAMETER;
1496 }
1497
1498 pEnable->i32Result = rc;
1499 } break;
1500
1501 case VBVA_MOUSE_POINTER_SHAPE:
1502 {
1503 if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE))
1504 {
1505 rc = VERR_INVALID_PARAMETER;
1506 break;
1507 }
1508
1509 VBVAMOUSEPOINTERSHAPE *pShape = (VBVAMOUSEPOINTERSHAPE *)pvBuffer;
1510
1511 LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n",
1512 pShape->i32Result,
1513 pShape->fu32Flags,
1514 pShape->u32HotX,
1515 pShape->u32HotY,
1516 pShape->u32Width,
1517 pShape->u32Height));
1518
1519 rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer);
1520
1521 pShape->i32Result = rc;
1522 } break;
1523
1524
1525#ifdef VBOX_WITH_VIDEOHWACCEL
1526 case VBVA_VHWA_CMD:
1527 {
1528 rc = vbvaVHWAHandleCommand (pVGAState, pCtx, (PVBOXVHWACMD)pvBuffer);
1529 } break;
1530#endif
1531
1532 default:
1533 Log(("Unsupported VBVA guest command %d!!!\n",
1534 u16ChannelInfo));
1535 break;
1536 }
1537
1538 return rc;
1539}
1540
1541void VBVAReset (PVGASTATE pVGAState)
1542{
1543 if (!pVGAState || !pVGAState->pHGSMI)
1544 {
1545 return;
1546 }
1547
1548 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1549
1550#ifdef VBOX_WITH_VIDEOHWACCEL
1551 vbvaVHWAReset (pVGAState);
1552#endif
1553
1554 uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI);
1555 if(HgFlags & HGSMIHOSTFLAGS_IRQ)
1556 {
1557 /* this means the IRQ is LEVEL_HIGH, need to reset it */
1558 PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW);
1559 }
1560
1561 if (pCtx)
1562 {
1563 vbvaFlush (pVGAState, pCtx);
1564
1565 unsigned uScreenId;
1566
1567 for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++)
1568 {
1569 vbvaDisable (uScreenId, pVGAState, pCtx);
1570 }
1571
1572 pCtx->mouseShapeInfo.fSet = false;
1573 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
1574 pCtx->mouseShapeInfo.pu8Shape = NULL;
1575 pCtx->mouseShapeInfo.cbAllocated = 0;
1576 pCtx->mouseShapeInfo.cbShape = 0;
1577 }
1578
1579}
1580
1581int VBVAUpdateDisplay (PVGASTATE pVGAState)
1582{
1583 int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */
1584
1585 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1586
1587 if (pCtx)
1588 {
1589 rc = vbvaFlush (pVGAState, pCtx);
1590
1591 if (RT_SUCCESS (rc))
1592 {
1593 if (!pCtx->aViews[0].pVBVA)
1594 {
1595 /* VBVA is not enabled for the first view, so VGA device must do updates. */
1596 rc = VERR_NOT_SUPPORTED;
1597 }
1598 }
1599 }
1600
1601 return rc;
1602}
1603
1604static HGSMICHANNELHANDLER sOldChannelHandler;
1605
1606int VBVAInit (PVGASTATE pVGAState)
1607{
1608 PPDMDEVINS pDevIns = pVGAState->pDevInsR3;
1609
1610 PVM pVM = PDMDevHlpGetVM(pDevIns);
1611
1612 int rc = HGSMICreate (&pVGAState->pHGSMI,
1613 pVM,
1614 "VBVA",
1615 0,
1616 pVGAState->vram_ptrR3,
1617 pVGAState->vram_size,
1618 vbvaNotifyGuest,
1619 pVGAState,
1620 sizeof (VBVACONTEXT));
1621
1622 if (RT_SUCCESS (rc))
1623 {
1624 rc = HGSMIHostChannelRegister (pVGAState->pHGSMI,
1625 HGSMI_CH_VBVA,
1626 vbvaChannelHandler,
1627 pVGAState,
1628 &sOldChannelHandler);
1629 if (RT_SUCCESS (rc))
1630 {
1631 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1632 pCtx->cViews = pVGAState->cMonitors;
1633 }
1634 }
1635
1636 return rc;
1637
1638}
1639
1640void VBVADestroy (PVGASTATE pVGAState)
1641{
1642 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI);
1643
1644 if (pCtx)
1645 {
1646 pCtx->mouseShapeInfo.fSet = false;
1647 RTMemFree(pCtx->mouseShapeInfo.pu8Shape);
1648 pCtx->mouseShapeInfo.pu8Shape = NULL;
1649 pCtx->mouseShapeInfo.cbAllocated = 0;
1650 pCtx->mouseShapeInfo.cbShape = 0;
1651 }
1652
1653 HGSMIDestroy (pVGAState->pHGSMI);
1654 pVGAState->pHGSMI = NULL;
1655}
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