- Timestamp:
- Apr 2, 2018 5:11:37 PM (7 years ago)
- Location:
- trunk/src/VBox
- Files:
-
- 6 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp
r71612 r71619 26 26 #include <VBox/vmm/ssm.h> 27 27 #include <VBox/VMMDev.h> 28 #include <VBox/AssertGuest.h> 28 29 #include <VBoxVideo.h> 29 30 #include <iprt/alloc.h> … … 59 60 struct 60 61 { 61 VBVABUFFER *pVBVA; /*Pointer to the guest memory with the VBVABUFFER. */62 uint8_t *pu8Data; /*For convenience, pointer to the guest ring buffer (VBVABUFFER::au8Data). */62 VBVABUFFER RT_UNTRUSTED_VOLATILE_GUEST *pVBVA; /**< Pointer to the guest memory with the VBVABUFFER. */ 63 uint8_t RT_UNTRUSTED_VOLATILE_GUEST *pu8Data; /**< For convenience, pointer to the guest ring buffer (VBVABUFFER::au8Data). */ 63 64 } guest; 64 uint32_t u32VBVAOffset; /* VBVABUFFER offset in the guest VRAM. */ 65 VBVAPARTIALRECORD partialRecord; /* Partial record temporary storage. */ 66 uint32_t off32Data; /* The offset where the data starts in the VBVABUFFER. 67 * The host code uses it instead of VBVABUFFER::off32Data. 68 */ 69 uint32_t indexRecordFirst; /* Index of the first filled record in VBVABUFFER::aRecords. */ 70 uint32_t cbPartialWriteThreshold; /* Copy of VBVABUFFER::cbPartialWriteThreshold used by host code. */ 71 uint32_t cbData; /* Copy of VBVABUFFER::cbData used by host code. */ 65 uint32_t u32VBVAOffset; /**< VBVABUFFER offset in the guest VRAM. */ 66 VBVAPARTIALRECORD partialRecord; /**< Partial record temporary storage. */ 67 uint32_t off32Data; /**< The offset where the data starts in the VBVABUFFER. 68 * The host code uses it instead of VBVABUFFER::off32Data. */ 69 uint32_t indexRecordFirst; /**< Index of the first filled record in VBVABUFFER::aRecords. */ 70 uint32_t cbPartialWriteThreshold; /**< Copy of VBVABUFFER::cbPartialWriteThreshold used by host code. */ 71 uint32_t cbData; /**< Copy of VBVABUFFER::cbData used by host code. */ 72 72 } VBVADATA; 73 73 … … 110 110 if (pVBVAData->guest.pVBVA) 111 111 { 112 RT_ZERO(pVBVAData->guest.pVBVA->hostFlags); 112 pVBVAData->guest.pVBVA->hostFlags.u32HostEvents = 0; 113 pVBVAData->guest.pVBVA->hostFlags.u32SupportedOrders = 0; 113 114 } 114 115 … … 119 120 } 120 121 121 /** Copies @a cb bytes from the VBVA ring buffer to the @a p u8Dst.122 /** Copies @a cb bytes from the VBVA ring buffer to the @a pbDst. 122 123 * Used for partial records or for records which cross the ring boundary. 123 124 */ 124 static bool vbvaFetchBytes(VBVADATA *pVBVAData, uint8_t *p u8Dst, uint32_t cb)125 static bool vbvaFetchBytes(VBVADATA *pVBVAData, uint8_t *pbDst, uint32_t cb) 125 126 { 126 127 if (cb >= pVBVAData->cbData) … … 130 131 } 131 132 133 const uint8_t RT_UNTRUSTED_VOLATILE_GUEST *pbSrc = &pVBVAData->guest.pu8Data[pVBVAData->off32Data]; 132 134 const uint32_t u32BytesTillBoundary = pVBVAData->cbData - pVBVAData->off32Data; 133 const uint8_t *pu8Src = &pVBVAData->guest.pu8Data[pVBVAData->off32Data]; 134 const int32_t i32Diff = cb - u32BytesTillBoundary; 135 const int32_t i32Diff = cb - u32BytesTillBoundary; 135 136 136 137 if (i32Diff <= 0) 137 138 { 138 139 /* Chunk will not cross buffer boundary. */ 139 memcpy(pu8Dst, pu8Src, cb);140 RT_BCOPY_VOLATILE(pbDst, pbSrc, cb); 140 141 } 141 142 else 142 143 { 143 144 /* Chunk crosses buffer boundary. */ 144 memcpy(pu8Dst, pu8Src, u32BytesTillBoundary);145 memcpy(pu8Dst + u32BytesTillBoundary, &pVBVAData->guest.pu8Data[0], i32Diff);145 RT_BCOPY_VOLATILE(pbDst, pbSrc, u32BytesTillBoundary); 146 RT_BCOPY_VOLATILE(pbDst + u32BytesTillBoundary, &pVBVAData->guest.pu8Data[0], i32Diff); 146 147 } 147 148 … … 201 202 } 202 203 203 /* For contiguous chunks just return the address in the buffer. 204 * For crossing boundary - allocate a buffer from heap. 204 /** 205 * For contiguous chunks just return the address in the buffer. For crossing 206 * boundary - allocate a buffer from heap. 205 207 */ 206 static bool vbvaFetchCmd(VBVADATA *pVBVAData, VBVACMDHDR **ppHdr, uint32_t *pcbCmd)208 static bool vbvaFetchCmd(VBVADATA *pVBVAData, VBVACMDHDR RT_UNTRUSTED_VOLATILE_GUEST **ppHdr, uint32_t *pcbCmd) 207 209 { 208 210 VBVAPARTIALRECORD *pPartialRecord = &pVBVAData->partialRecord; … … 307 309 308 310 /* The pointer to data in the ring buffer. */ 309 uint8_t *pu8Src = &pVBVAData->guest.pu8Data[pVBVAData->off32Data];311 uint8_t RT_UNTRUSTED_VOLATILE_GUEST *pbSrc = &pVBVAData->guest.pu8Data[pVBVAData->off32Data]; 310 312 311 313 /* Fetch or point the data. */ … … 313 315 { 314 316 /* The command does not cross buffer boundary. Return address in the buffer. */ 315 *ppHdr = (VBVACMDHDR *)pu8Src;317 *ppHdr = (VBVACMDHDR RT_UNTRUSTED_VOLATILE_GUEST *)pbSrc; 316 318 317 319 /* The data offset will be updated in vbvaReleaseCmd. */ … … 320 322 { 321 323 /* The command crosses buffer boundary. Rare case, so not optimized. */ 322 uint8_t *pu8Dst = (uint8_t *)RTMemAlloc(cbRecord); 323 324 if (!pu8Dst) 324 uint8_t *pbDst = (uint8_t *)RTMemAlloc(cbRecord); 325 if (!pbDst) 325 326 { 326 327 LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord)); … … 328 329 } 329 330 330 vbvaFetchBytes(pVBVAData, p u8Dst, cbRecord);331 332 *ppHdr = (VBVACMDHDR *)p u8Dst;333 334 LOGVBVABUFFER(("Allocated from heap %p\n", p u8Dst));331 vbvaFetchBytes(pVBVAData, pbDst, cbRecord); 332 333 *ppHdr = (VBVACMDHDR *)pbDst; 334 335 LOGVBVABUFFER(("Allocated from heap %p\n", pbDst)); 335 336 } 336 337 } … … 348 349 } 349 350 350 static void vbvaReleaseCmd(VBVADATA *pVBVAData, VBVACMDHDR *pHdr, uint32_t cbCmd)351 { 352 VBVAPARTIALRECORD *pPartialRecord = &pVBVAData->partialRecord;353 const uint8_t *au8RingBuffer= pVBVAData->guest.pu8Data;354 355 if ( (uintptr_t)pHdr >= (uintptr_t) au8RingBuffer356 && (uintptr_t)pHdr < (uintptr_t)& au8RingBuffer[pVBVAData->cbData])351 static void vbvaReleaseCmd(VBVADATA *pVBVAData, VBVACMDHDR RT_UNTRUSTED_VOLATILE_GUEST *pHdr, uint32_t cbCmd) 352 { 353 VBVAPARTIALRECORD *pPartialRecord = &pVBVAData->partialRecord; 354 const uint8_t RT_UNTRUSTED_VOLATILE_GUEST *pbRingBuffer = pVBVAData->guest.pu8Data; 355 356 if ( (uintptr_t)pHdr >= (uintptr_t)pbRingBuffer 357 && (uintptr_t)pHdr < (uintptr_t)&pbRingBuffer[pVBVAData->cbData]) 357 358 { 358 359 /* The pointer is inside ring buffer. Must be continuous chunk. */ 359 Assert(pVBVAData->cbData - (uint32_t)((uint8_t *)pHdr - au8RingBuffer) >= cbCmd);360 Assert(pVBVAData->cbData - (uint32_t)((uint8_t *)pHdr - pbRingBuffer) >= cbCmd); 360 361 361 362 /* Advance data offset and sync with guest. */ … … 380 381 } 381 382 382 RTMemFree( pHdr);383 RTMemFree((void *)pHdr); 383 384 } 384 385 } … … 403 404 for (;;) 404 405 { 405 VBVACMDHDR *phdr = NULL;406 uint32_t cbCmd = UINT32_MAX;407 408 406 /* Fetch the command data. */ 409 if (!vbvaFetchCmd(pVBVAData, &phdr, &cbCmd)) 407 VBVACMDHDR RT_UNTRUSTED_VOLATILE_GUEST *pHdr = NULL; 408 uint32_t cbCmd = UINT32_MAX; 409 if (!vbvaFetchCmd(pVBVAData, &pHdr, &cbCmd)) 410 410 { 411 411 LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n", 412 pVBVAData->off32Data, pVBVAData->guest.pVBVA->off32Free)); 413 412 pVBVAData->off32Data, pVBVAData->guest.pVBVA->off32Free)); 414 413 return VERR_NOT_SUPPORTED; 415 414 } … … 438 437 439 438 /* Updates the rectangle and sends the command to the VRDP server. */ 440 pVGAState->pDrv->pfnVBVAUpdateProcess(pVGAState->pDrv, uScreenId, p hdr, cbCmd);441 442 int32_t xRight = p hdr->x + phdr->w;443 int32_t yBottom = p hdr->y + phdr->h;439 pVGAState->pDrv->pfnVBVAUpdateProcess(pVGAState->pDrv, uScreenId, pHdr, cbCmd); 440 441 int32_t xRight = pHdr->x + pHdr->w; 442 int32_t yBottom = pHdr->y + pHdr->h; 444 443 445 444 /* These are global coords, relative to the primary screen. */ 446 445 447 446 LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n", 448 cbCmd, p hdr->x, phdr->y, phdr->w, phdr->h));447 cbCmd, pHdr->x, pHdr->y, pHdr->w, pHdr->h)); 449 448 LogRel3(("%s: update command cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n", 450 __FUNCTION__, cbCmd, p hdr->x, phdr->y, phdr->w, phdr->h));449 __FUNCTION__, cbCmd, pHdr->x, pHdr->y, pHdr->w, pHdr->h)); 451 450 452 451 /* Collect all rects into one. */ … … 454 453 { 455 454 /* This is the first rectangle to be added. */ 456 dirtyRect.xLeft = p hdr->x;457 dirtyRect.yTop = p hdr->y;455 dirtyRect.xLeft = pHdr->x; 456 dirtyRect.yTop = pHdr->y; 458 457 dirtyRect.xRight = xRight; 459 458 dirtyRect.yBottom = yBottom; … … 463 462 { 464 463 /* Adjust region coordinates. */ 465 if (dirtyRect.xLeft > p hdr->x)464 if (dirtyRect.xLeft > pHdr->x) 466 465 { 467 dirtyRect.xLeft = p hdr->x;466 dirtyRect.xLeft = pHdr->x; 468 467 } 469 468 470 if (dirtyRect.yTop > p hdr->y)469 if (dirtyRect.yTop > pHdr->y) 471 470 { 472 dirtyRect.yTop = p hdr->y;471 dirtyRect.yTop = pHdr->y; 473 472 } 474 473 … … 485 484 } 486 485 487 vbvaReleaseCmd(pVBVAData, p hdr, cbCmd);486 vbvaReleaseCmd(pVBVAData, pHdr, cbCmd); 488 487 } 489 488 … … 516 515 { 517 516 VBVADATA *pVBVAData = &pCtx->aViews[uScreenId].vbva; 518 519 517 if (pVBVAData->guest.pVBVA) 520 518 { 521 519 rc = vbvaFlushProcess(uScreenId, pVGAState, pVBVAData); 522 520 if (RT_FAILURE(rc)) 523 {524 521 break; 525 }526 522 } 527 523 } … … 558 554 } 559 555 560 static int vbvaEnable(unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx, VBVABUFFER *pVBVA, uint32_t u32Offset, bool fRestored) 561 { 556 static int vbvaEnable(unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx, 557 VBVABUFFER RT_UNTRUSTED_VOLATILE_GUEST *pVBVA, uint32_t u32Offset, bool fRestored) 558 { 559 /* 560 * Copy into non-volatile memory and validate its content. 561 */ 562 VBVABUFFER VbgaSafe; 563 RT_COPY_VOLATILE(VbgaSafe, *pVBVA); 564 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 565 566 uint32_t const cbVBVABuffer = RT_UOFFSETOF(VBVABUFFER, au8Data) + VbgaSafe.cbData; 567 ASSERT_GUEST_RETURN( VbgaSafe.cbData <= UINT32_MAX - RT_UOFFSETOF(VBVABUFFER, au8Data) 568 && cbVBVABuffer <= pVGAState->vram_size 569 && u32Offset > pVGAState->vram_size - cbVBVABuffer, 570 VERR_INVALID_PARAMETER); 571 if (!fRestored) 572 { 573 ASSERT_GUEST_RETURN(VbgaSafe.off32Data == 0, VERR_INVALID_PARAMETER); 574 ASSERT_GUEST_RETURN(VbgaSafe.off32Free == 0, VERR_INVALID_PARAMETER); 575 ASSERT_GUEST_RETURN(VbgaSafe.indexRecordFirst == 0, VERR_INVALID_PARAMETER); 576 ASSERT_GUEST_RETURN(VbgaSafe.indexRecordFree == 0, VERR_INVALID_PARAMETER); 577 } 578 ASSERT_GUEST_RETURN( VbgaSafe.cbPartialWriteThreshold < VbgaSafe.cbData 579 && VbgaSafe.cbPartialWriteThreshold != 0, 580 VERR_INVALID_PARAMETER); 581 RT_UNTRUSTED_VALIDATED_FENCE(); 582 583 /* 584 * Okay, try do the job. 585 */ 562 586 int rc; 563 564 /* Check if VBVABUFFER content makes sense. */565 const VBVABUFFER parms = *pVBVA;566 567 uint32_t cbVBVABuffer = RT_UOFFSETOF(VBVABUFFER, au8Data) + parms.cbData;568 if ( parms.cbData > UINT32_MAX - RT_UOFFSETOF(VBVABUFFER, au8Data)569 || cbVBVABuffer > pVGAState->vram_size570 || u32Offset > pVGAState->vram_size - cbVBVABuffer)571 {572 return VERR_INVALID_PARAMETER;573 }574 575 if (!fRestored)576 {577 if ( parms.off32Data != 0578 || parms.off32Free != 0579 || parms.indexRecordFirst != 0580 || parms.indexRecordFree != 0)581 {582 return VERR_INVALID_PARAMETER;583 }584 }585 586 if ( parms.cbPartialWriteThreshold >= parms.cbData587 || parms.cbPartialWriteThreshold == 0)588 {589 return VERR_INVALID_PARAMETER;590 }591 592 587 if (pVGAState->pDrv->pfnVBVAEnable) 593 588 { 594 RT_ZERO(pVBVA->hostFlags); 589 pVBVA->hostFlags.u32HostEvents = 0; 590 pVBVA->hostFlags.u32SupportedOrders = 0; 595 591 rc = pVGAState->pDrv->pfnVBVAEnable(pVGAState->pDrv, uScreenId, &pVBVA->hostFlags, false); 592 if (RT_SUCCESS(rc)) 593 { 594 /* pVBVA->hostFlags has been set up by pfnVBVAEnable. */ 595 LogFlowFunc(("u32HostEvents=0x%08x u32SupportedOrders=0x%08x\n", 596 pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders)); 597 598 VBVADATA *pVBVAData = &pCtx->aViews[uScreenId].vbva; 599 pVBVAData->guest.pVBVA = pVBVA; 600 pVBVAData->guest.pu8Data = &pVBVA->au8Data[0]; 601 pVBVAData->u32VBVAOffset = u32Offset; 602 pVBVAData->off32Data = VbgaSafe.off32Data; 603 pVBVAData->indexRecordFirst = VbgaSafe.indexRecordFirst; 604 pVBVAData->cbPartialWriteThreshold = VbgaSafe.cbPartialWriteThreshold; 605 pVBVAData->cbData = VbgaSafe.cbData; 606 607 if (!fRestored) 608 { 609 /** @todo Actually this function must not touch the partialRecord structure at all, 610 * because initially it is a zero and when VBVA is disabled this should be set to zero. 611 * But I'm not sure that no code depends on zeroing partialRecord here. 612 * So for now (a quick fix for 4.1) just do not do this if the VM was restored, 613 * when partialRecord might be loaded already from the saved state. 614 */ 615 pVBVAData->partialRecord.pu8 = NULL; 616 pVBVAData->partialRecord.cb = 0; 617 } 618 619 /* VBVA is working so disable the pause. */ 620 pCtx->fPaused = false; 621 } 596 622 } 597 623 else 598 {599 624 rc = VERR_NOT_SUPPORTED; 600 }601 602 if (RT_SUCCESS(rc))603 {604 /* pVBVA->hostFlags has been set up by pfnVBVAEnable. */605 LogFlowFunc(("u32HostEvents 0x%08X, u32SupportedOrders 0x%08X\n",606 pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders));607 608 VBVADATA *pVBVAData = &pCtx->aViews[uScreenId].vbva;609 pVBVAData->guest.pVBVA = pVBVA;610 pVBVAData->guest.pu8Data = &pVBVA->au8Data[0];611 pVBVAData->u32VBVAOffset = u32Offset;612 pVBVAData->off32Data = parms.off32Data;613 pVBVAData->indexRecordFirst = parms.indexRecordFirst;614 pVBVAData->cbPartialWriteThreshold = parms.cbPartialWriteThreshold;615 pVBVAData->cbData = parms.cbData;616 617 if (!fRestored)618 {619 /** @todo Actually this function must not touch the partialRecord structure at all,620 * because initially it is a zero and when VBVA is disabled this should be set to zero.621 * But I'm not sure that no code depends on zeroing partialRecord here.622 * So for now (a quick fix for 4.1) just do not do this if the VM was restored,623 * when partialRecord might be loaded already from the saved state.624 */625 pVBVAData->partialRecord.pu8 = NULL;626 pVBVAData->partialRecord.cb = 0;627 }628 629 /* VBVA is working so disable the pause. */630 pCtx->fPaused = false;631 }632 633 625 return rc; 634 626 } … … 811 803 /* Check which view contains the buffer. */ 812 804 HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost(pIns, pvBuffer); 813 814 805 if (offBuffer != HGSMIOFFSET_VOID) 815 806 { … … 818 809 { 819 810 const VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view; 820 821 if ( pView->u32ViewSize > 0 822 && pView->u32ViewOffset <= offBuffer 823 && offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1) 824 { 811 if ((uint32_t)(offBuffer - pView->u32ViewOffset) < pView->u32ViewSize) 825 812 return pView->u32ViewIndex; 826 } 827 } 828 } 829 813 } 814 } 830 815 return UINT32_MAX; 831 816 } … … 2116 2101 static int vbvaHandleQueryConf32(PVGASTATE pVGAState, VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *pConf32) 2117 2102 { 2118 int rc = VINF_SUCCESS; 2119 PHGSMIINSTANCE pIns = pVGAState->pHGSMI; 2120 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pIns); 2121 2122 const uint32_t u32Index = pConf32->u32Index; 2123 ASMCompilerBarrier(); 2124 2125 LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n", 2126 u32Index, pConf32->u32Value)); 2127 2128 if (u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT) 2129 { 2130 pConf32->u32Value = pCtx->cViews; 2131 } 2132 else if (u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE) 2133 { 2134 /** @todo a value calculated from the vram size */ 2135 pConf32->u32Value = _64K; 2136 } 2137 else if ( u32Index == VBOX_VBVA_CONF32_MODE_HINT_REPORTING 2138 || u32Index == VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING) 2139 { 2140 pConf32->u32Value = VINF_SUCCESS; 2141 } 2142 else if (u32Index == VBOX_VBVA_CONF32_CURSOR_CAPABILITIES) 2143 { 2144 pConf32->u32Value = pVGAState->fHostCursorCapabilities; 2145 } 2146 else if (u32Index == VBOX_VBVA_CONF32_SCREEN_FLAGS) 2147 { 2148 pConf32->u32Value = VBVA_SCREEN_F_ACTIVE 2149 | VBVA_SCREEN_F_DISABLED 2150 | VBVA_SCREEN_F_BLANK 2151 | VBVA_SCREEN_F_BLANK2; 2152 } 2153 else if (u32Index == VBOX_VBVA_CONF32_MAX_RECORD_SIZE) 2154 { 2155 pConf32->u32Value = VBVA_MAX_RECORD_SIZE; 2156 } 2103 uint32_t const idxQuery = pConf32->u32Index; 2104 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 2105 LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n", idxQuery, pConf32->u32Value)); 2106 2107 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pVGAState->pHGSMI); 2108 uint32_t uValue; 2109 if (idxQuery == VBOX_VBVA_CONF32_MONITOR_COUNT) 2110 uValue = pCtx->cViews; 2111 else if (idxQuery == VBOX_VBVA_CONF32_HOST_HEAP_SIZE) 2112 uValue = _64K; /** @todo a value calculated from the vram size */ 2113 else if ( idxQuery == VBOX_VBVA_CONF32_MODE_HINT_REPORTING 2114 || idxQuery == VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING) 2115 uValue = VINF_SUCCESS; 2116 else if (idxQuery == VBOX_VBVA_CONF32_CURSOR_CAPABILITIES) 2117 uValue = pVGAState->fHostCursorCapabilities; 2118 else if (idxQuery == VBOX_VBVA_CONF32_SCREEN_FLAGS) 2119 uValue = VBVA_SCREEN_F_ACTIVE 2120 | VBVA_SCREEN_F_DISABLED 2121 | VBVA_SCREEN_F_BLANK 2122 | VBVA_SCREEN_F_BLANK2; 2123 else if (idxQuery == VBOX_VBVA_CONF32_MAX_RECORD_SIZE) 2124 uValue = VBVA_MAX_RECORD_SIZE; 2157 2125 else 2158 { 2159 Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n", 2160 u32Index)); 2161 rc = VERR_INVALID_PARAMETER; 2162 } 2163 2164 return rc; 2165 } 2166 2167 static int vbvaHandleSetConf32(PVGASTATE pVGAState, VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *pConf32) 2168 { 2169 NOREF(pVGAState); 2170 2171 VBVACONF32 parms; 2172 parms.u32Index = pConf32->u32Index; 2173 parms.u32Value = pConf32->u32Value; 2174 ASMCompilerBarrier(); 2175 2176 LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n", 2177 parms.u32Index, parms.u32Value)); 2178 2179 int rc = VINF_SUCCESS; 2180 if (parms.u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT) 2181 { 2182 /* do nothing. this is a const. */ 2183 } 2184 else if (parms.u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE) 2185 { 2186 /* do nothing. this is a const. */ 2187 } 2126 ASSERT_GUEST_MSG_FAILED_RETURN(("Invalid index %#x\n", idxQuery), VERR_INVALID_PARAMETER); 2127 2128 pConf32->u32Value = uValue; 2129 return VINF_SUCCESS; 2130 } 2131 2132 static int vbvaHandleSetConf32(VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *pConf32) 2133 { 2134 uint32_t const idxQuery = pConf32->u32Index; 2135 uint32_t const uValue = pConf32->u32Value; 2136 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 2137 LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n", idxQuery, uValue)); 2138 2139 if (idxQuery == VBOX_VBVA_CONF32_MONITOR_COUNT) 2140 { /* do nothing. this is a const. */ } 2141 else if (idxQuery == VBOX_VBVA_CONF32_HOST_HEAP_SIZE) 2142 { /* do nothing. this is a const. */ } 2188 2143 else 2189 { 2190 Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n", 2191 parms.u32Index)); 2192 rc = VERR_INVALID_PARAMETER; 2193 } 2194 2195 return rc; 2144 ASSERT_GUEST_MSG_FAILED_RETURN(("Invalid index %#x (value=%u)\n", idxQuery, uValue), VERR_INVALID_PARAMETER); 2145 2146 return VINF_SUCCESS; 2196 2147 } 2197 2148 2198 2149 static int vbvaHandleInfoHeap(PVGASTATE pVGAState, const VBVAINFOHEAP RT_UNTRUSTED_VOLATILE_GUEST *pInfoHeap) 2199 2150 { 2200 VBVAINFOHEAP parms; 2201 parms.u32HeapOffset = pInfoHeap->u32HeapOffset; 2202 parms.u32HeapSize = pInfoHeap->u32HeapSize; 2203 ASMCompilerBarrier(); 2204 LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n", 2205 parms.u32HeapOffset, parms.u32HeapSize)); 2206 2207 return HGSMIHostHeapSetup(pVGAState->pHGSMI, parms.u32HeapOffset, parms.u32HeapSize); 2151 uint32_t const offHeap = pInfoHeap->u32HeapOffset; 2152 uint32_t const cbHeap = pInfoHeap->u32HeapSize; 2153 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 2154 LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n", offHeap, cbHeap)); 2155 2156 return HGSMIHostHeapSetup(pVGAState->pHGSMI, offHeap, cbHeap); 2208 2157 } 2209 2158 … … 2211 2160 { 2212 2161 VBVAINFOVIEW view; 2213 view.u32ViewIndex = pView->u32ViewIndex; 2214 view.u32ViewOffset = pView->u32ViewOffset; 2215 view.u32ViewSize = pView->u32ViewSize; 2216 view.u32MaxScreenSize = pView->u32MaxScreenSize; 2217 ASMCompilerBarrier(); 2162 RT_COPY_VOLATILE(view, *pView); 2163 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 2218 2164 2219 2165 LogFlowFunc(("VBVA_INFO_VIEW: u32ViewIndex %d, u32ViewOffset 0x%x, u32ViewSize 0x%x, u32MaxScreenSize 0x%x\n", 2220 2166 view.u32ViewIndex, view.u32ViewOffset, view.u32ViewSize, view.u32MaxScreenSize)); 2221 2167 2222 PHGSMIINSTANCE pIns = pVGAState->pHGSMI; 2223 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pIns); 2224 2225 if ( view.u32ViewIndex < pCtx->cViews 2226 && view.u32ViewOffset <= pVGAState->vram_size 2227 && view.u32ViewSize <= pVGAState->vram_size 2228 && view.u32ViewOffset <= pVGAState->vram_size - view.u32ViewSize 2229 && view.u32MaxScreenSize <= view.u32ViewSize) 2230 { 2231 pCtx->aViews[view.u32ViewIndex].view = view; 2232 return VINF_SUCCESS; 2233 } 2234 2235 LogRelFlow(("VBVA: InfoView: invalid data! index %d(%d), offset 0x%x, size 0x%x, max 0x%x, vram size 0x%x\n", 2236 view.u32ViewIndex, pCtx->cViews, view.u32ViewOffset, view.u32ViewSize, 2237 view.u32MaxScreenSize, pVGAState->vram_size)); 2238 return VERR_INVALID_PARAMETER; 2168 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pVGAState->pHGSMI); 2169 ASSERT_GUEST_LOGREL_MSG_RETURN( view.u32ViewIndex < pCtx->cViews 2170 && view.u32ViewOffset <= pVGAState->vram_size 2171 && view.u32ViewSize <= pVGAState->vram_size 2172 && view.u32ViewOffset <= pVGAState->vram_size - view.u32ViewSize 2173 && view.u32MaxScreenSize <= view.u32ViewSize, 2174 ("index %d(%d), offset 0x%x, size 0x%x, max 0x%x, vram size 0x%x\n", 2175 view.u32ViewIndex, pCtx->cViews, view.u32ViewOffset, view.u32ViewSize, 2176 view.u32MaxScreenSize, pVGAState->vram_size), 2177 VERR_INVALID_PARAMETER); 2178 RT_UNTRUSTED_VALIDATED_FENCE(); 2179 2180 pCtx->aViews[view.u32ViewIndex].view = view; 2181 return VINF_SUCCESS; 2239 2182 } 2240 2183 2241 2184 int VBVAInfoScreen(PVGASTATE pVGAState, const VBVAINFOSCREEN RT_UNTRUSTED_VOLATILE_GUEST *pScreen) 2242 2185 { 2186 /* 2187 * Copy input into non-volatile buffer. 2188 */ 2243 2189 VBVAINFOSCREEN screen; 2244 memcpy(&screen, (void *)pScreen, sizeof(screen));2245 ASMCompilerBarrier();2190 RT_COPY_VOLATILE(screen, *pScreen); 2191 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 2246 2192 LogRel(("VBVA: InfoScreen: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n", 2247 2193 screen.u32ViewIndex, screen.i32OriginX, screen.i32OriginY, … … 2249 2195 screen.u32LineSize, screen.u16BitsPerPixel, screen.u16Flags)); 2250 2196 2251 PHGSMIINSTANCE pIns = pVGAState->pHGSMI;2252 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pIns);2253 2197 /* 2198 * Validate input. 2199 */ 2254 2200 /* Allow screen.u16BitsPerPixel == 0 because legacy guest code used it for screen blanking. */ 2255 if ( screen.u32ViewIndex < pCtx->cViews 2256 && screen.u16BitsPerPixel <= 32 2257 && screen.u32Width <= UINT16_MAX 2258 && screen.u32Height <= UINT16_MAX 2259 && screen.u32LineSize <= UINT16_MAX * 4) 2260 { 2261 const VBVAINFOVIEW *pView = &pCtx->aViews[screen.u32ViewIndex].view; 2262 const uint32_t u32BytesPerPixel = (screen.u16BitsPerPixel + 7) / 8; 2263 if (screen.u32Width <= screen.u32LineSize / (u32BytesPerPixel? u32BytesPerPixel: 1)) 2264 { 2265 const uint64_t u64ScreenSize = (uint64_t)screen.u32LineSize * screen.u32Height; 2266 if ( screen.u32StartOffset <= pView->u32ViewSize 2267 && u64ScreenSize <= pView->u32MaxScreenSize 2268 && screen.u32StartOffset <= pView->u32ViewSize - (uint32_t)u64ScreenSize) 2269 { 2270 vbvaResize(pVGAState, &pCtx->aViews[screen.u32ViewIndex], &screen, true); 2271 return VINF_SUCCESS; 2272 } 2273 2274 LogRelFlow(("VBVA: InfoScreen: invalid data! size %#RX64, max %#RX32\n", 2275 u64ScreenSize, pView->u32MaxScreenSize)); 2276 } 2277 } 2278 else 2279 LogRelFlow(("VBVA: InfoScreen: invalid data! index %RU32(%RU32)\n", screen.u32ViewIndex, pCtx->cViews)); 2280 2281 return VERR_INVALID_PARAMETER; 2201 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pVGAState->pHGSMI); 2202 ASSERT_GUEST_LOGREL_MSG_RETURN(screen.u32ViewIndex < pCtx->cViews, 2203 ("Screen index %#x is out of bound (cViews=%#x)\n", screen.u32ViewIndex, pCtx->cViews), 2204 VERR_INVALID_PARAMETER); 2205 ASSERT_GUEST_LOGREL_MSG_RETURN( screen.u16BitsPerPixel <= 32 2206 && screen.u32Width <= UINT16_MAX 2207 && screen.u32Height <= UINT16_MAX 2208 && screen.u32LineSize <= UINT16_MAX * UINT32_C(4), 2209 ("One or more values out of range: u16BitsPerPixel=%#x u32Width=%#x u32Height=%#x u32LineSize=%#x\n", 2210 screen.u16BitsPerPixel, screen.u32Width, screen.u32Height, screen.u32LineSize), 2211 VERR_INVALID_PARAMETER); 2212 RT_UNTRUSTED_VALIDATED_FENCE(); 2213 2214 const VBVAINFOVIEW *pView = &pCtx->aViews[screen.u32ViewIndex].view; 2215 const uint32_t cbPerPixel = (screen.u16BitsPerPixel + 7) / 8; 2216 ASSERT_GUEST_LOGREL_MSG_RETURN(screen.u32Width <= screen.u32LineSize / (cbPerPixel ? cbPerPixel : 1), 2217 ("u32Width=%#x u32LineSize=%3x cbPerPixel=%#x\n", 2218 screen.u32Width, screen.u32LineSize, cbPerPixel), 2219 VERR_INVALID_PARAMETER); 2220 2221 const uint64_t u64ScreenSize = (uint64_t)screen.u32LineSize * screen.u32Height; 2222 2223 ASSERT_GUEST_LOGREL_MSG_RETURN( screen.u32StartOffset <= pView->u32ViewSize 2224 && u64ScreenSize <= pView->u32MaxScreenSize 2225 && screen.u32StartOffset <= pView->u32ViewSize - (uint32_t)u64ScreenSize, 2226 ("u32StartOffset=%#x u32ViewSize=%#x u64ScreenSize=%#RX64 u32MaxScreenSize=%#x\n", 2227 screen.u32StartOffset, pView->u32ViewSize, u64ScreenSize), 2228 VERR_INVALID_PARAMETER); 2229 RT_UNTRUSTED_VALIDATED_FENCE(); 2230 2231 /* 2232 * Do the job. 2233 */ 2234 vbvaResize(pVGAState, &pCtx->aViews[screen.u32ViewIndex], &screen, true); 2235 return VINF_SUCCESS; 2282 2236 } 2283 2237 … … 2299 2253 } 2300 2254 2301 static int vbvaHandleEnable(PVGASTATE pVGAState, VBVAENABLE const volatile *pVbvaEnable, uint32_t u32ScreenId) 2302 { 2255 static int vbvaHandleEnable(PVGASTATE pVGAState, uint32_t fEnableFlags, uint32_t offEnable, uint32_t idScreen) 2256 { 2257 LogFlowFunc(("VBVA_ENABLE[%u]: fEnableFlags=0x%x offEnable=%#x\n", idScreen, fEnableFlags, offEnable)); 2258 PHGSMIINSTANCE pIns = pVGAState->pHGSMI; 2259 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pIns); 2260 2261 /* 2262 * Validate input. 2263 */ 2264 ASSERT_GUEST_LOGREL_MSG_RETURN(idScreen < pCtx->cViews, ("idScreen=%#x cViews=%#x\n", idScreen, pCtx->cViews), VERR_INVALID_PARAMETER); 2265 ASSERT_GUEST_LOGREL_MSG_RETURN( (fEnableFlags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE 2266 || (fEnableFlags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE, 2267 ("fEnableFlags=%#x\n", fEnableFlags), 2268 VERR_INVALID_PARAMETER); 2269 if (fEnableFlags & VBVA_F_ENABLE) 2270 { 2271 ASSERT_GUEST_LOGREL_MSG_RETURN(offEnable < pVGAState->vram_size, 2272 ("offEnable=%#x vram_size=%#x\n", offEnable, pVGAState->vram_size), 2273 VERR_INVALID_PARAMETER); 2274 if (fEnableFlags & VBVA_F_ABSOFFSET) 2275 /* Offset from VRAM start. */ 2276 ASSERT_GUEST_LOGREL_MSG_RETURN( pVGAState->vram_size >= RT_UOFFSETOF(VBVABUFFER, au8Data) 2277 && offEnable <= pVGAState->vram_size - RT_UOFFSETOF(VBVABUFFER, au8Data), 2278 ("offEnable=%#x vram_size=%#x\n", offEnable, pVGAState->vram_size), 2279 VERR_INVALID_PARAMETER); 2280 else 2281 { 2282 /* Offset from the view start. We'd be using idScreen here to fence required. */ 2283 RT_UNTRUSTED_VALIDATED_FENCE(); 2284 const VBVAINFOVIEW *pView = &pCtx->aViews[idScreen].view; 2285 ASSERT_GUEST_LOGREL_MSG_RETURN( pVGAState->vram_size - offEnable >= pView->u32ViewOffset 2286 && pView->u32ViewSize >= RT_UOFFSETOF(VBVABUFFER, au8Data) 2287 && offEnable <= pView->u32ViewSize - RT_UOFFSETOF(VBVABUFFER, au8Data), 2288 ("offEnable=%#x vram_size=%#x view: %#x LB %#x\n", 2289 offEnable, pVGAState->vram_size, pView->u32ViewOffset, pView->u32ViewSize), 2290 VERR_INVALID_PARAMETER); 2291 offEnable += pView->u32ViewOffset; 2292 } 2293 ASSERT_GUEST_LOGREL_MSG_RETURN(HGSMIIsOffsetValid(pIns, offEnable), 2294 ("offEnable=%#x area %#x LB %#x\n", 2295 offEnable, HGSMIGetAreaOffset(pIns), HGSMIGetAreaSize(pIns)), 2296 VERR_INVALID_PARAMETER); 2297 } 2298 RT_UNTRUSTED_VALIDATED_FENCE(); 2299 2300 /* 2301 * Execute. 2302 */ 2303 2303 int rc = VINF_SUCCESS; 2304 PHGSMIINSTANCE pIns = pVGAState->pHGSMI; 2305 VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pIns); 2306 2307 if (u32ScreenId > pCtx->cViews) 2308 return VERR_INVALID_PARAMETER; 2309 2310 uint32_t fEnableFlags = pVbvaEnable->u32Flags; 2311 uint32_t offEnable = pVbvaEnable->u32Offset; 2312 ASMCompilerBarrier(); 2313 2314 LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset %#x\n", u32ScreenId, fEnableFlags, offEnable)); 2315 2316 if ((fEnableFlags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE) 2317 { 2318 if (offEnable < pVGAState->vram_size) 2319 { 2320 /* Guest reported offset either absolute or relative to view. */ 2321 if (fEnableFlags & VBVA_F_ABSOFFSET) 2322 { 2323 /* Offset from VRAM start. */ 2324 if ( pVGAState->vram_size < RT_UOFFSETOF(VBVABUFFER, au8Data) 2325 || offEnable > pVGAState->vram_size - RT_UOFFSETOF(VBVABUFFER, au8Data)) 2326 { 2327 rc = VERR_INVALID_PARAMETER; 2328 } 2329 } 2330 else 2331 { 2332 /* Offset from the view start. */ 2333 const VBVAINFOVIEW *pView = &pCtx->aViews[u32ScreenId].view; 2334 if ( pVGAState->vram_size - offEnable < pView->u32ViewOffset 2335 || pView->u32ViewSize < RT_UOFFSETOF(VBVABUFFER, au8Data) 2336 || offEnable > pView->u32ViewSize - RT_UOFFSETOF(VBVABUFFER, au8Data)) 2337 { 2338 rc = VERR_INVALID_PARAMETER; 2339 } 2340 else 2341 { 2342 offEnable += pView->u32ViewOffset; 2343 } 2344 } 2345 } 2346 else 2347 { 2348 rc = VERR_INVALID_PARAMETER; 2349 } 2350 2351 if (RT_SUCCESS(rc)) 2352 { 2353 VBVABUFFER *pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost(pIns, offEnable); 2354 if (pVBVA) 2355 { 2356 /* Process any pending orders and empty the VBVA ring buffer. */ 2357 vbvaFlush(pVGAState, pCtx); 2358 2359 rc = vbvaEnable(u32ScreenId, pVGAState, pCtx, pVBVA, offEnable, false /* fRestored */); 2360 } 2361 else 2362 { 2363 Log(("Invalid VBVABUFFER offset 0x%x!!!\n", offEnable)); 2364 rc = VERR_INVALID_PARAMETER; 2365 } 2366 } 2367 2304 if (fEnableFlags & VBVA_F_ENABLE) 2305 { 2306 VBVABUFFER RT_UNTRUSTED_VOLATILE_GUEST *pVBVA 2307 = (VBVABUFFER RT_UNTRUSTED_VOLATILE_GUEST *)HGSMIOffsetToPointerHost(pIns, offEnable); 2308 ASSERT_GUEST_LOGREL_RETURN(pVBVA, VERR_INVALID_PARAMETER); /* already check above, but let's be careful. */ 2309 2310 /* Process any pending orders and empty the VBVA ring buffer. */ 2311 vbvaFlush(pVGAState, pCtx); 2312 2313 rc = vbvaEnable(idScreen, pVGAState, pCtx, pVBVA, offEnable, false /* fRestored */); 2368 2314 if (RT_FAILURE(rc)) 2369 2315 LogRelMax(8, ("VBVA: can not enable: %Rrc\n", rc)); 2370 2316 } 2371 else if ((fEnableFlags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE)2372 {2373 rc = vbvaDisable(u32ScreenId, pVGAState, pCtx);2374 }2375 2317 else 2376 { 2377 Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n", fEnableFlags)); 2378 rc = VERR_INVALID_PARAMETER; 2379 } 2380 2318 rc = vbvaDisable(idScreen, pVGAState, pCtx); 2381 2319 return rc; 2382 2320 } … … 2512 2450 case VBVA_SET_CONF32: 2513 2451 if (cbBuffer >= sizeof(VBVACONF32)) 2514 rc = vbvaHandleSetConf32( pVGAState,(VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer);2452 rc = vbvaHandleSetConf32((VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer); 2515 2453 else 2516 2454 rc = VERR_INVALID_PARAMETER; … … 2569 2507 { 2570 2508 VBVAENABLE RT_UNTRUSTED_VOLATILE_GUEST *pVbvaEnable = (VBVAENABLE RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; 2571 const uint32_t u32Flags = pVbvaEnable->u32Flags; 2509 uint32_t const fEnableFlags = pVbvaEnable->u32Flags; 2510 uint32_t const offEnable = pVbvaEnable->u32Offset; 2572 2511 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 2573 2512 2574 uint32_t u32ScreenId;2575 if ( u32Flags & VBVA_F_EXTENDED)2513 uint32_t idScreen; 2514 if (fEnableFlags & VBVA_F_EXTENDED) 2576 2515 { 2577 if (cbBuffer >= sizeof(VBVAENABLE_EX)) 2578 u32ScreenId = ((VBVAENABLE_EX RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer)->u32ScreenId; 2579 else 2580 { 2581 rc = VERR_INVALID_PARAMETER; 2582 break; 2583 } 2516 ASSERT_GUEST_STMT_BREAK(cbBuffer >= sizeof(VBVAENABLE_EX), rc = VERR_INVALID_PARAMETER); 2517 idScreen = ((VBVAENABLE_EX RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer)->u32ScreenId; 2518 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 2584 2519 } 2585 2520 else 2586 u32ScreenId= vbvaViewFromBufferPtr(pIns, pCtx, pvBuffer);2587 2588 rc = vbvaHandleEnable(pVGAState, pVbvaEnable, u32ScreenId);2521 idScreen = vbvaViewFromBufferPtr(pIns, pCtx, pvBuffer); 2522 2523 rc = vbvaHandleEnable(pVGAState, fEnableFlags, offEnable, idScreen); 2589 2524 pVbvaEnable->i32Result = rc; 2590 2525 } … … 2594 2529 if (cbBuffer >= sizeof(VBVAMOUSEPOINTERSHAPE)) 2595 2530 { 2596 VBVAMOUSEPOINTERSHAPE RT_UNTRUSTED_VOLATILE_GUEST *pShape ;2597 pShape= (VBVAMOUSEPOINTERSHAPE RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer;2531 VBVAMOUSEPOINTERSHAPE RT_UNTRUSTED_VOLATILE_GUEST *pShape 2532 = (VBVAMOUSEPOINTERSHAPE RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; 2598 2533 rc = vbvaMousePointerShape(pVGAState, pCtx, pShape, cbBuffer); 2599 2534 pShape->i32Result = rc; -
trunk/src/VBox/Devices/Graphics/DevVGA_VDMA.cpp
r71612 r71619 3087 3087 VBOXVDMA_CTL_TYPE enmCtl = pCmd->enmCtl; 3088 3088 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 3089 3090 int rc; 3089 3091 if (enmCtl < VBOXVDMA_CTL_TYPE_END) 3090 3092 { … … 3094 3096 { 3095 3097 case VBOXVDMA_CTL_TYPE_ENABLE: 3096 pCmd->i32Result= VINF_SUCCESS;3098 rc = VINF_SUCCESS; 3097 3099 break; 3098 3100 case VBOXVDMA_CTL_TYPE_DISABLE: 3099 pCmd->i32Result= VINF_SUCCESS;3101 rc = VINF_SUCCESS; 3100 3102 break; 3101 3103 case VBOXVDMA_CTL_TYPE_FLUSH: 3102 pCmd->i32Result= VINF_SUCCESS;3104 rc = VINF_SUCCESS; 3103 3105 break; 3106 case VBOXVDMA_CTL_TYPE_WATCHDOG: 3104 3107 #ifdef VBOX_VDMA_WITH_WATCHDOG 3105 case VBOXVDMA_CTL_TYPE_WATCHDOG: 3106 pCmd->i32Result = vboxVDMAWatchDogCtl(pVdma, pCmd->u32Offset); 3108 rc = vboxVDMAWatchDogCtl(pVdma, pCmd->u32Offset); 3109 #else 3110 rc = VERR_NOT_SUPPORTED; 3111 #endif 3107 3112 break; 3108 #endif3109 3113 default: 3110 WARN(("cmd not supported")); 3111 pCmd->i32Result = VERR_NOT_SUPPORTED; 3112 break; 3114 AssertFailedBreakStmt(rc = VERR_IPE_NOT_REACHED_DEFAULT_CASE); 3113 3115 } 3114 3116 } … … 3116 3118 { 3117 3119 RT_UNTRUSTED_VALIDATED_FENCE(); 3118 WARN(("cmd not supported")); 3119 pCmd->i32Result = VERR_NOT_SUPPORTED; 3120 } 3121 3122 int rc = VBoxSHGSMICommandComplete(pIns, pCmd); 3120 ASSERT_GUEST_FAILED(); 3121 rc = VERR_NOT_SUPPORTED; 3122 } 3123 3124 pCmd->i32Result = rc; 3125 rc = VBoxSHGSMICommandComplete(pIns, pCmd); 3123 3126 AssertRC(rc); 3124 3127 } -
trunk/src/VBox/Devices/Graphics/HGSMI/HGSMIHost.cpp
r71590 r71619 66 66 #include <iprt/string.h> 67 67 68 #include <VBox/AssertGuest.h> 68 69 #include <VBox/err.h> 69 70 #define LOG_GROUP LOG_GROUP_HGSMI … … 491 492 * 492 493 */ 493 static int hgsmiHostHeapLock 494 { 495 int rc = RTCritSectEnter 494 static int hgsmiHostHeapLock(HGSMIINSTANCE *pIns) 495 { 496 int rc = RTCritSectEnter(&pIns->hostHeapCritSect); 496 497 AssertRC (rc); 497 498 return rc; 498 499 } 499 500 500 static void hgsmiHostHeapUnlock 501 { 502 int rc = RTCritSectLeave 501 static void hgsmiHostHeapUnlock(HGSMIINSTANCE *pIns) 502 { 503 int rc = RTCritSectLeave(&pIns->hostHeapCritSect); 503 504 AssertRC (rc); 504 505 } … … 961 962 }; 962 963 963 int HGSMIHostHeapSetup(PHGSMIINSTANCE pIns, 964 HGSMIOFFSET offHeap, 965 HGSMISIZE cbHeap) 964 int HGSMIHostHeapSetup(PHGSMIINSTANCE pIns, HGSMIOFFSET RT_UNTRUSTED_GUEST offHeap, HGSMISIZE RT_UNTRUSTED_GUEST cbHeap) 966 965 { 967 966 LogFlowFunc(("pIns %p, offHeap 0x%08X, cbHeap = 0x%08X\n", pIns, offHeap, cbHeap)); 968 967 969 int rc = VINF_SUCCESS; 970 968 /* 969 * Validate input. 970 */ 971 971 AssertPtrReturn(pIns, VERR_INVALID_PARAMETER); 972 972 973 if ( offHeap >= pIns->area.cbArea 974 || cbHeap > pIns->area.cbArea 975 || offHeap > pIns->area.cbArea - cbHeap) 976 { 977 AssertLogRelMsgFailed(("offHeap 0x%08X, cbHeap = 0x%08X, pIns->area.cbArea 0x%08X\n", 978 offHeap, cbHeap, pIns->area.cbArea)); 979 rc = VERR_INVALID_PARAMETER; 980 } 981 else 982 { 983 rc = hgsmiHostHeapLock (pIns); 984 985 if (RT_SUCCESS (rc)) 986 { 987 if (pIns->hostHeap.cRefs) 988 { 989 AssertLogRelMsgFailed(("HGSMI[%s]: host heap setup ignored. %d allocated.\n", 990 pIns->pszName, pIns->hostHeap.cRefs)); 991 /* It is possible to change the heap only if there is no pending allocations. */ 992 rc = VERR_ACCESS_DENIED; 993 } 994 else 995 { 996 rc = HGSMIAreaInitialize(&pIns->hostHeap.area, pIns->area.pu8Base + offHeap, cbHeap, offHeap); 997 if (RT_SUCCESS(rc)) 998 { 999 rc = HGSMIMAInit(&pIns->hostHeap.u.ma, &pIns->hostHeap.area, NULL, 0, 0, &g_hgsmiEnv); 1000 } 1001 1002 if (RT_SUCCESS(rc)) 1003 { 1004 pIns->hostHeap.u32HeapType = HGSMI_HEAP_TYPE_MA; 1005 } 1006 else 1007 { 1008 HGSMIAreaClear(&pIns->hostHeap.area); 1009 } 1010 } 1011 1012 hgsmiHostHeapUnlock (pIns); 1013 } 1014 } 973 ASSERT_GUEST_LOGREL_MSG_RETURN( offHeap < pIns->area.cbArea 974 && cbHeap <= pIns->area.cbArea 975 && offHeap <= pIns->area.cbArea - cbHeap, 976 ("Heap: %#x LB %#x; Area: %#x LB %#x\n", offHeap, cbHeap, pIns->area.offBase, pIns->area.cbArea), 977 VERR_INVALID_PARAMETER); 978 RT_UNTRUSTED_VALIDATED_FENCE(); 979 980 981 /* 982 * Lock the heap and do the job. 983 */ 984 int rc = hgsmiHostHeapLock(pIns); 985 AssertReturn(rc, rc); 986 987 /* It is possible to change the heap only if there is no pending allocations. */ 988 ASSERT_GUEST_LOGREL_MSG_STMT_RETURN(pIns->hostHeap.cRefs == 0, 989 ("HGSMI[%s]: host heap setup ignored. %d allocated.\n", pIns->pszName, pIns->hostHeap.cRefs), 990 hgsmiHostHeapUnlock(pIns), 991 VERR_ACCESS_DENIED); 992 rc = HGSMIAreaInitialize(&pIns->hostHeap.area, pIns->area.pu8Base + offHeap, cbHeap, offHeap); 993 if (RT_SUCCESS(rc)) 994 { 995 rc = HGSMIMAInit(&pIns->hostHeap.u.ma, &pIns->hostHeap.area, NULL, 0, 0, &g_hgsmiEnv); 996 if (RT_SUCCESS(rc)) 997 pIns->hostHeap.u32HeapType = HGSMI_HEAP_TYPE_MA; 998 else 999 HGSMIAreaClear(&pIns->hostHeap.area); 1000 } 1001 1002 hgsmiHostHeapUnlock(pIns); 1015 1003 1016 1004 LogFlowFunc(("rc = %Rrc\n", rc)); 1017 1018 1005 return rc; 1019 1006 } … … 1521 1508 1522 1509 1510 /** 1511 * Checks if @a offBuffer is within the area of this instance. 1512 * 1513 * This is for use in input validations. 1514 * 1515 * @returns true / false. 1516 * @param pIns The instance. 1517 * @param offBuffer The buffer offset to check. 1518 */ 1519 bool HGSMIIsOffsetValid(PHGSMIINSTANCE pIns, HGSMIOFFSET offBuffer) 1520 { 1521 return pIns 1522 && offBuffer - pIns->area.offBase < pIns->area.cbArea; 1523 } 1524 1525 1526 /** 1527 * Returns the area offset for use in logging and assertion messages. 1528 */ 1529 HGSMIOFFSET HGSMIGetAreaOffset(PHGSMIINSTANCE pIns) 1530 { 1531 return pIns ? pIns->area.offBase : ~(HGSMIOFFSET)0; 1532 } 1533 1534 1535 /** 1536 * Returns the area size for use in logging and assertion messages. 1537 */ 1538 HGSMIOFFSET HGSMIGetAreaSize(PHGSMIINSTANCE pIns) 1539 { 1540 return pIns ? pIns->area.cbArea : 0; 1541 } 1542 1543 1523 1544 void *HGSMIContext (PHGSMIINSTANCE pIns) 1524 1545 { -
trunk/src/VBox/Devices/Graphics/HGSMI/HGSMIHost.h
r71590 r71619 50 50 void RT_UNTRUSTED_VOLATILE_GUEST *HGSMIOffsetToPointerHost(PHGSMIINSTANCE pIns, HGSMIOFFSET offBuffer); 51 51 HGSMIOFFSET HGSMIPointerToOffsetHost(PHGSMIINSTANCE pIns, const void RT_UNTRUSTED_VOLATILE_GUEST *pv); 52 bool HGSMIIsOffsetValid(PHGSMIINSTANCE pIns, HGSMIOFFSET offBuffer); 53 HGSMIOFFSET HGSMIGetAreaOffset(PHGSMIINSTANCE pIns); 54 HGSMIOFFSET HGSMIGetAreaSize(PHGSMIINSTANCE pIns); 55 52 56 53 57 int HGSMIHostChannelRegister(PHGSMIINSTANCE pIns, uint8_t u8Channel, … … 61 65 #endif 62 66 63 int HGSMIHostHeapSetup(PHGSMIINSTANCE pIns, HGSMIOFFSET offHeap, HGSMISIZEcbHeap);67 int HGSMIHostHeapSetup(PHGSMIINSTANCE pIns, HGSMIOFFSET RT_UNTRUSTED_GUEST offHeap, HGSMISIZE RT_UNTRUSTED_GUEST cbHeap); 64 68 65 69 /* -
trunk/src/VBox/Main/include/DisplayImpl.h
r71597 r71619 87 87 bool fVBVAForceResize; 88 88 bool fRenderThreadMode; 89 PVBVAHOSTFLAGSpVBVAHostFlags;89 VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pVBVAHostFlags; 90 90 #endif /* VBOX_WITH_HGSMI */ 91 91 … … 363 363 #ifdef VBOX_WITH_HGSMI 364 364 static DECLCALLBACK(int) i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, 365 PVBVAHOSTFLAGSpHostFlags, bool fRenderThreadMode);365 VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags, bool fRenderThreadMode); 366 366 static DECLCALLBACK(void) i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId); 367 367 static DECLCALLBACK(void) i_displayVBVAUpdateBegin(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId); 368 368 static DECLCALLBACK(void) i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, 369 PCVBVACMDHDRpCmd, size_t cbCmd);369 struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd); 370 370 static DECLCALLBACK(void) i_displayVBVAUpdateEnd(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, int32_t x, int32_t y, 371 371 uint32_t cx, uint32_t cy); -
trunk/src/VBox/Main/src-client/DisplayImpl.cpp
r71597 r71619 4038 4038 4039 4039 #ifdef VBOX_WITH_HGSMI 4040 DECLCALLBACK(int) Display::i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, PVBVAHOSTFLAGS pHostFlags, 4040 /** 4041 * @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAEnable} 4042 */ 4043 DECLCALLBACK(int) Display::i_displayVBVAEnable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, 4044 VBVAHOSTFLAGS RT_UNTRUSTED_VOLATILE_GUEST *pHostFlags, 4041 4045 bool fRenderThreadMode) 4042 4046 { … … 4065 4069 } 4066 4070 4071 /** 4072 * @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVADisable} 4073 */ 4067 4074 DECLCALLBACK(void) Display::i_displayVBVADisable(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId) 4068 4075 { … … 4124 4131 } 4125 4132 4133 /** 4134 * @interface_method_impl{PDMIDISPLAYCONNECTOR,pfnVBVAUpdateProcess} 4135 */ 4126 4136 DECLCALLBACK(void) Display::i_displayVBVAUpdateProcess(PPDMIDISPLAYCONNECTOR pInterface, unsigned uScreenId, 4127 PCVBVACMDHDRpCmd, size_t cbCmd)4137 struct VBVACMDHDR const RT_UNTRUSTED_VOLATILE_GUEST *pCmd, size_t cbCmd) 4128 4138 { 4129 4139 LogFlowFunc(("uScreenId %d pCmd %p cbCmd %d, @%d,%d %dx%d\n", uScreenId, pCmd, cbCmd, pCmd->x, pCmd->y, pCmd->w, pCmd->h)); 4140 VBVACMDHDR hdrSaved; 4141 RT_COPY_VOLATILE(hdrSaved, *pCmd); 4142 RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); 4130 4143 4131 4144 PDRVMAINDISPLAY pDrv = PDMIDISPLAYCONNECTOR_2_MAINDISPLAY(pInterface); … … 4139 4152 && !pFBInfo->fDisabled) 4140 4153 { 4141 pDrv->pUpPort->pfnUpdateDisplayRect(pDrv->pUpPort, pCmd->x, pCmd->y, pCmd->w, pCmd->h);4154 pDrv->pUpPort->pfnUpdateDisplayRect(pDrv->pUpPort, hdrSaved.x, hdrSaved.y, hdrSaved.w, hdrSaved.h); 4142 4155 } 4143 4156 else if ( !pFBInfo->pSourceBitmap.isNull() … … 4160 4173 if (SUCCEEDED(hrc)) 4161 4174 { 4162 uint32_t width = pCmd->w;4163 uint32_t height = pCmd->h;4175 uint32_t width = hdrSaved.w; 4176 uint32_t height = hdrSaved.h; 4164 4177 4165 4178 const uint8_t *pu8Src = pFBInfo->pu8FramebufferVRAM; 4166 int32_t xSrc = pCmd->x - pFBInfo->xOrigin;4167 int32_t ySrc = pCmd->y - pFBInfo->yOrigin;4179 int32_t xSrc = hdrSaved.x - pFBInfo->xOrigin; 4180 int32_t ySrc = hdrSaved.y - pFBInfo->yOrigin; 4168 4181 uint32_t u32SrcWidth = pFBInfo->w; 4169 4182 uint32_t u32SrcHeight = pFBInfo->h; … … 4193 4206 } 4194 4207 4195 VBVACMDHDR hdrSaved = *pCmd; 4196 4208 /* 4209 * Here is your classic 'temporary' solution. 4210 */ 4211 /** @todo New SendUpdate entry which can get a separate cmd header or coords. */ 4197 4212 VBVACMDHDR *pHdrUnconst = (VBVACMDHDR *)pCmd; 4198 4213 … … 4200 4215 pHdrUnconst->y -= (int16_t)pFBInfo->yOrigin; 4201 4216 4202 /** @todo new SendUpdate entry which can get a separate cmd header or coords. */4203 4217 pThis->mParent->i_consoleVRDPServer()->SendUpdate(uScreenId, pHdrUnconst, (uint32_t)cbCmd); 4204 4218
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