/* $Id: DevVGA_VBVA.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */ /** @file * VirtualBox Video Acceleration (VBVA). */ /* * Copyright (C) 2006-2022 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define LOG_GROUP LOG_GROUP_DEV_VGA #include #include #include #include #include #include #include #include #include #include #include #include #ifdef VBOX_WITH_VIDEOHWACCEL #include #endif #include "DevVGA.h" /* A very detailed logging. */ #if 0 // def DEBUG_sunlover #define LOGVBVABUFFER(a) LogFlow(a) #else #define LOGVBVABUFFER(a) do {} while (0) #endif /********************************************************************************************************************************* * Structures and Typedefs * *********************************************************************************************************************************/ typedef struct VBVAPARTIALRECORD { uint8_t *pu8; uint32_t cb; } VBVAPARTIALRECORD; typedef struct VBVADATA { struct { VBVABUFFER RT_UNTRUSTED_VOLATILE_GUEST *pVBVA; /**< Pointer to the guest memory with the VBVABUFFER. */ uint8_t RT_UNTRUSTED_VOLATILE_GUEST *pu8Data; /**< For convenience, pointer to the guest ring buffer (VBVABUFFER::au8Data). */ } guest; uint32_t u32VBVAOffset; /**< VBVABUFFER offset in the guest VRAM. */ VBVAPARTIALRECORD partialRecord; /**< Partial record temporary storage. */ uint32_t off32Data; /**< The offset where the data starts in the VBVABUFFER. * The host code uses it instead of VBVABUFFER::off32Data. */ uint32_t indexRecordFirst; /**< Index of the first filled record in VBVABUFFER::aRecords. */ uint32_t cbPartialWriteThreshold; /**< Copy of VBVABUFFER::cbPartialWriteThreshold used by host code. */ uint32_t cbData; /**< Copy of VBVABUFFER::cbData used by host code. */ } VBVADATA; typedef struct VBVAVIEW { VBVAINFOVIEW view; VBVAINFOSCREEN screen; VBVADATA vbva; } VBVAVIEW; typedef struct VBVAMOUSESHAPEINFO { bool fSet; bool fVisible; bool fAlpha; uint32_t u32HotX; uint32_t u32HotY; uint32_t u32Width; uint32_t u32Height; uint32_t cbShape; uint32_t cbAllocated; uint8_t *pu8Shape; } VBVAMOUSESHAPEINFO; /** @todo saved state: save and restore VBVACONTEXT */ typedef struct VBVACONTEXT { uint32_t cViews; VBVAVIEW aViews[VBOX_VIDEO_MAX_SCREENS]; VBVAMOUSESHAPEINFO mouseShapeInfo; bool fPaused; VBVAMODEHINT aModeHints[VBOX_VIDEO_MAX_SCREENS]; } VBVACONTEXT; static void vbvaDataCleanup(VBVADATA *pVBVAData) { if (pVBVAData->guest.pVBVA) { pVBVAData->guest.pVBVA->hostFlags.u32HostEvents = 0; pVBVAData->guest.pVBVA->hostFlags.u32SupportedOrders = 0; } RTMemFreeZ(pVBVAData->partialRecord.pu8, pVBVAData->partialRecord.cb); RT_ZERO(*pVBVAData); pVBVAData->u32VBVAOffset = HGSMIOFFSET_VOID; } /** Copies @a cb bytes from the VBVA ring buffer to the @a pbDst. * Used for partial records or for records which cross the ring boundary. */ static bool vbvaFetchBytes(VBVADATA *pVBVAData, uint8_t *pbDst, uint32_t cb) { if (cb >= pVBVAData->cbData) { AssertMsgFailed(("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVAData->cbData)); return false; } const uint8_t RT_UNTRUSTED_VOLATILE_GUEST *pbSrc = &pVBVAData->guest.pu8Data[pVBVAData->off32Data]; const uint32_t u32BytesTillBoundary = pVBVAData->cbData - pVBVAData->off32Data; const int32_t i32Diff = cb - u32BytesTillBoundary; if (i32Diff <= 0) { /* Chunk will not cross buffer boundary. */ RT_BCOPY_VOLATILE(pbDst, pbSrc, cb); } else { /* Chunk crosses buffer boundary. */ RT_BCOPY_VOLATILE(pbDst, pbSrc, u32BytesTillBoundary); RT_BCOPY_VOLATILE(pbDst + u32BytesTillBoundary, &pVBVAData->guest.pu8Data[0], i32Diff); } /* Advance data offset and sync with guest. */ pVBVAData->off32Data = (pVBVAData->off32Data + cb) % pVBVAData->cbData; pVBVAData->guest.pVBVA->off32Data = pVBVAData->off32Data; return true; } static bool vbvaPartialRead(uint32_t cbRecord, VBVADATA *pVBVAData) { VBVAPARTIALRECORD *pPartialRecord = &pVBVAData->partialRecord; uint8_t *pu8New; LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n", pPartialRecord->pu8, pPartialRecord->cb, cbRecord)); Assert(cbRecord > pPartialRecord->cb); /* Caller ensures this. */ const uint32_t cbChunk = cbRecord - pPartialRecord->cb; if (cbChunk >= pVBVAData->cbData) { return false; } if (pPartialRecord->pu8) { Assert(pPartialRecord->cb); pu8New = (uint8_t *)RTMemRealloc(pPartialRecord->pu8, cbRecord); } else { Assert(!pPartialRecord->cb); pu8New = (uint8_t *)RTMemAlloc(cbRecord); } if (!pu8New) { /* Memory allocation failed, fail the function. */ Log(("vbvaPartialRead: failed to (re)alocate memory for partial record!!! cbRecord 0x%08X\n", cbRecord)); return false; } /* Fetch data from the ring buffer. */ if (!vbvaFetchBytes(pVBVAData, pu8New + pPartialRecord->cb, cbChunk)) { return false; } pPartialRecord->pu8 = pu8New; pPartialRecord->cb = cbRecord; return true; } /** * For contiguous chunks just return the address in the buffer. For crossing * boundary - allocate a buffer from heap. */ static bool vbvaFetchCmd(VBVADATA *pVBVAData, VBVACMDHDR RT_UNTRUSTED_VOLATILE_GUEST **ppHdr, uint32_t *pcbCmd) { VBVAPARTIALRECORD *pPartialRecord = &pVBVAData->partialRecord; uint32_t indexRecordFirst = pVBVAData->indexRecordFirst; const uint32_t indexRecordFree = ASMAtomicReadU32(&pVBVAData->guest.pVBVA->indexRecordFree); LOGVBVABUFFER(("first = %d, free = %d\n", indexRecordFirst, indexRecordFree)); if (indexRecordFree >= RT_ELEMENTS(pVBVAData->guest.pVBVA->aRecords)) { return false; } if (indexRecordFirst == indexRecordFree) { /* No records to process. Return without assigning output variables. */ return true; } uint32_t cbRecordCurrent = ASMAtomicReadU32(&pVBVAData->guest.pVBVA->aRecords[indexRecordFirst].cbRecord); LOGVBVABUFFER(("cbRecord = 0x%08X, pPartialRecord->cb = 0x%08X\n", cbRecordCurrent, pPartialRecord->cb)); uint32_t cbRecord = cbRecordCurrent & ~VBVA_F_RECORD_PARTIAL; if (cbRecord > VBVA_MAX_RECORD_SIZE) { return false; } if (pPartialRecord->cb) { /* There is a partial read in process. Continue with it. */ Assert (pPartialRecord->pu8); LOGVBVABUFFER(("continue partial record cb = %d cbRecord 0x%08X, first = %d, free = %d\n", pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree)); if (cbRecord > pPartialRecord->cb) { /* New data has been added to the record. */ if (!vbvaPartialRead(cbRecord, pVBVAData)) { return false; } } if (!(cbRecordCurrent & VBVA_F_RECORD_PARTIAL)) { /* The record is completed by guest. Return it to the caller. */ *ppHdr = (VBVACMDHDR *)pPartialRecord->pu8; *pcbCmd = pPartialRecord->cb; pPartialRecord->pu8 = NULL; pPartialRecord->cb = 0; /* Advance the record index and sync with guest. */ pVBVAData->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVAData->guest.pVBVA->aRecords); pVBVAData->guest.pVBVA->indexRecordFirst = pVBVAData->indexRecordFirst; LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n", pVBVAData->off32Data, pVBVAData->guest.pVBVA->off32Free)); } return true; } /* A new record need to be processed. */ if (cbRecordCurrent & VBVA_F_RECORD_PARTIAL) { /* Current record is being written by guest. '=' is important here, * because the guest will do a FLUSH at this condition. * This partial record is too large for the ring buffer and must * be accumulated in an allocated buffer. */ if (cbRecord >= pVBVAData->cbData - pVBVAData->cbPartialWriteThreshold) { /* Partial read must be started. */ if (!vbvaPartialRead(cbRecord, pVBVAData)) { return false; } LOGVBVABUFFER(("started partial record cb = 0x%08X cbRecord 0x%08X, first = %d, free = %d\n", pPartialRecord->cb, cbRecordCurrent, indexRecordFirst, indexRecordFree)); } return true; } /* Current record is complete. If it is not empty, process it. */ if (cbRecord >= pVBVAData->cbData) { return false; } if (cbRecord) { /* The size of largest contiguous chunk in the ring buffer. */ uint32_t u32BytesTillBoundary = pVBVAData->cbData - pVBVAData->off32Data; /* The pointer to data in the ring buffer. */ uint8_t RT_UNTRUSTED_VOLATILE_GUEST *pbSrc = &pVBVAData->guest.pu8Data[pVBVAData->off32Data]; /* Fetch or point the data. */ if (u32BytesTillBoundary >= cbRecord) { /* The command does not cross buffer boundary. Return address in the buffer. */ *ppHdr = (VBVACMDHDR RT_UNTRUSTED_VOLATILE_GUEST *)pbSrc; /* The data offset will be updated in vbvaReleaseCmd. */ } else { /* The command crosses buffer boundary. Rare case, so not optimized. */ uint8_t *pbDst = (uint8_t *)RTMemAlloc(cbRecord); if (!pbDst) { LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord)); return false; } vbvaFetchBytes(pVBVAData, pbDst, cbRecord); *ppHdr = (VBVACMDHDR *)pbDst; LOGVBVABUFFER(("Allocated from heap %p\n", pbDst)); } } *pcbCmd = cbRecord; /* Advance the record index and sync with guest. */ pVBVAData->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVAData->guest.pVBVA->aRecords); pVBVAData->guest.pVBVA->indexRecordFirst = pVBVAData->indexRecordFirst; LOGVBVABUFFER(("done ok, data = %d, free = %d\n", pVBVAData->off32Data, pVBVAData->guest.pVBVA->off32Free)); return true; } static void vbvaReleaseCmd(VBVADATA *pVBVAData, VBVACMDHDR RT_UNTRUSTED_VOLATILE_GUEST *pHdr, uint32_t cbCmd) { VBVAPARTIALRECORD *pPartialRecord = &pVBVAData->partialRecord; const uint8_t RT_UNTRUSTED_VOLATILE_GUEST *pbRingBuffer = pVBVAData->guest.pu8Data; if ( (uintptr_t)pHdr >= (uintptr_t)pbRingBuffer && (uintptr_t)pHdr < (uintptr_t)&pbRingBuffer[pVBVAData->cbData]) { /* The pointer is inside ring buffer. Must be continuous chunk. */ Assert(pVBVAData->cbData - (uint32_t)((uint8_t *)pHdr - pbRingBuffer) >= cbCmd); /* Advance data offset and sync with guest. */ pVBVAData->off32Data = (pVBVAData->off32Data + cbCmd) % pVBVAData->cbData; pVBVAData->guest.pVBVA->off32Data = pVBVAData->off32Data; Assert(!pPartialRecord->pu8 && pPartialRecord->cb == 0); } else { /* The pointer is outside. It is then an allocated copy. */ LOGVBVABUFFER(("Free heap %p\n", pHdr)); if ((uint8_t *)pHdr == pPartialRecord->pu8) { pPartialRecord->pu8 = NULL; pPartialRecord->cb = 0; } else { Assert(!pPartialRecord->pu8 && pPartialRecord->cb == 0); } RTMemFree((void *)pHdr); } } static int vbvaFlushProcess(PVGASTATECC pThisCC, VBVADATA *pVBVAData, unsigned uScreenId) { LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n", uScreenId, pVBVAData->indexRecordFirst, pVBVAData->guest.pVBVA->indexRecordFree, pVBVAData->off32Data, pVBVAData->guest.pVBVA->off32Free)); struct { /* The rectangle that includes all dirty rectangles. */ int32_t xLeft; int32_t xRight; int32_t yTop; int32_t yBottom; } dirtyRect; RT_ZERO(dirtyRect); bool fUpdate = false; /* Whether there were any updates. */ bool fDirtyEmpty = true; for (;;) { /* Fetch the command data. */ VBVACMDHDR RT_UNTRUSTED_VOLATILE_GUEST *pHdr = NULL; uint32_t cbCmd = UINT32_MAX; if (!vbvaFetchCmd(pVBVAData, &pHdr, &cbCmd)) { LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n", pVBVAData->off32Data, pVBVAData->guest.pVBVA->off32Free)); return VERR_NOT_SUPPORTED; } if (cbCmd == UINT32_MAX) { /* No more commands yet in the queue. */ break; } if (cbCmd < sizeof(VBVACMDHDR)) { LogFunc(("short command. off32Data = %d, off32Free = %d, cbCmd %d!!!\n", pVBVAData->off32Data, pVBVAData->guest.pVBVA->off32Free, cbCmd)); return VERR_NOT_SUPPORTED; } if (cbCmd != 0) { if (!fUpdate) { pThisCC->pDrv->pfnVBVAUpdateBegin(pThisCC->pDrv, uScreenId); fUpdate = true; } /* Updates the rectangle and sends the command to the VRDP server. */ pThisCC->pDrv->pfnVBVAUpdateProcess(pThisCC->pDrv, uScreenId, pHdr, cbCmd); int32_t xRight = pHdr->x + pHdr->w; int32_t yBottom = pHdr->y + pHdr->h; /* These are global coords, relative to the primary screen. */ LOGVBVABUFFER(("cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n", cbCmd, pHdr->x, pHdr->y, pHdr->w, pHdr->h)); LogRel3(("%s: update command cbCmd = %d, x=%d, y=%d, w=%d, h=%d\n", __FUNCTION__, cbCmd, pHdr->x, pHdr->y, pHdr->w, pHdr->h)); /* Collect all rects into one. */ if (fDirtyEmpty) { /* This is the first rectangle to be added. */ dirtyRect.xLeft = pHdr->x; dirtyRect.yTop = pHdr->y; dirtyRect.xRight = xRight; dirtyRect.yBottom = yBottom; fDirtyEmpty = false; } else { /* Adjust region coordinates. */ if (dirtyRect.xLeft > pHdr->x) { dirtyRect.xLeft = pHdr->x; } if (dirtyRect.yTop > pHdr->y) { dirtyRect.yTop = pHdr->y; } if (dirtyRect.xRight < xRight) { dirtyRect.xRight = xRight; } if (dirtyRect.yBottom < yBottom) { dirtyRect.yBottom = yBottom; } } } vbvaReleaseCmd(pVBVAData, pHdr, cbCmd); } if (fUpdate) { if (dirtyRect.xRight - dirtyRect.xLeft) { LogRel3(("%s: sending update screen=%d, x=%d, y=%d, w=%d, h=%d\n", __FUNCTION__, uScreenId, dirtyRect.xLeft, dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop)); pThisCC->pDrv->pfnVBVAUpdateEnd(pThisCC->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop); } else { pThisCC->pDrv->pfnVBVAUpdateEnd(pThisCC->pDrv, uScreenId, 0, 0, 0, 0); } } return VINF_SUCCESS; } static int vbvaFlush(PVGASTATE pThis, PVGASTATECC pThisCC, VBVACONTEXT *pCtx) { int rc = VINF_SUCCESS; unsigned uScreenId; for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++) { VBVADATA *pVBVAData = &pCtx->aViews[uScreenId].vbva; if (pVBVAData->guest.pVBVA) { rc = vbvaFlushProcess(pThisCC, pVBVAData, uScreenId); if (RT_FAILURE(rc)) break; } } if (RT_FAILURE(rc)) { /* Turn off VBVA processing. */ LogRel(("VBVA: Disabling (%Rrc)\n", rc)); pThis->fGuestCaps = 0; pThisCC->pDrv->pfnVBVAGuestCapabilityUpdate(pThisCC->pDrv, pThis->fGuestCaps); for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++) { VBVADATA *pVBVAData = &pCtx->aViews[uScreenId].vbva; if (pVBVAData->guest.pVBVA) { vbvaDataCleanup(pVBVAData); pThisCC->pDrv->pfnVBVADisable(pThisCC->pDrv, uScreenId); } } } return rc; } static int vbvaResize(PVGASTATECC pThisCC, VBVAVIEW *pView, const VBVAINFOSCREEN *pNewScreen, bool fResetInputMapping) { /* Callers ensure that pNewScreen contains valid data. */ /* Apply these changes. */ pView->screen = *pNewScreen; uint8_t *pbVRam = pThisCC->pbVRam + pView->view.u32ViewOffset; return pThisCC->pDrv->pfnVBVAResize(pThisCC->pDrv, &pView->view, &pView->screen, pbVRam, fResetInputMapping); } static int vbvaEnable(PVGASTATE pThis, PVGASTATECC pThisCC, VBVACONTEXT *pCtx, unsigned uScreenId, VBVABUFFER RT_UNTRUSTED_VOLATILE_GUEST *pVBVA, uint32_t u32Offset, bool fRestored) { /* * Copy into non-volatile memory and validate its content. */ VBVABUFFER VbgaSafe; RT_COPY_VOLATILE(VbgaSafe, *pVBVA); RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); uint32_t const cbVBVABuffer = RT_UOFFSETOF(VBVABUFFER, au8Data) + VbgaSafe.cbData; ASSERT_GUEST_RETURN( VbgaSafe.cbData <= UINT32_MAX - RT_UOFFSETOF(VBVABUFFER, au8Data) && cbVBVABuffer <= pThis->vram_size && u32Offset <= pThis->vram_size - cbVBVABuffer, VERR_INVALID_PARAMETER); if (!fRestored) { ASSERT_GUEST_RETURN(VbgaSafe.off32Data == 0, VERR_INVALID_PARAMETER); ASSERT_GUEST_RETURN(VbgaSafe.off32Free == 0, VERR_INVALID_PARAMETER); ASSERT_GUEST_RETURN(VbgaSafe.indexRecordFirst == 0, VERR_INVALID_PARAMETER); ASSERT_GUEST_RETURN(VbgaSafe.indexRecordFree == 0, VERR_INVALID_PARAMETER); } ASSERT_GUEST_RETURN( VbgaSafe.cbPartialWriteThreshold < VbgaSafe.cbData && VbgaSafe.cbPartialWriteThreshold != 0, VERR_INVALID_PARAMETER); RT_UNTRUSTED_VALIDATED_FENCE(); /* * Okay, try do the job. */ int rc; if (pThisCC->pDrv->pfnVBVAEnable) { pVBVA->hostFlags.u32HostEvents = 0; pVBVA->hostFlags.u32SupportedOrders = 0; rc = pThisCC->pDrv->pfnVBVAEnable(pThisCC->pDrv, uScreenId, &pVBVA->hostFlags); if (RT_SUCCESS(rc)) { /* pVBVA->hostFlags has been set up by pfnVBVAEnable. */ LogFlowFunc(("u32HostEvents=0x%08x u32SupportedOrders=0x%08x\n", pVBVA->hostFlags.u32HostEvents, pVBVA->hostFlags.u32SupportedOrders)); VBVADATA *pVBVAData = &pCtx->aViews[uScreenId].vbva; pVBVAData->guest.pVBVA = pVBVA; pVBVAData->guest.pu8Data = &pVBVA->au8Data[0]; pVBVAData->u32VBVAOffset = u32Offset; pVBVAData->off32Data = VbgaSafe.off32Data; pVBVAData->indexRecordFirst = VbgaSafe.indexRecordFirst; pVBVAData->cbPartialWriteThreshold = VbgaSafe.cbPartialWriteThreshold; pVBVAData->cbData = VbgaSafe.cbData; if (!fRestored) { /** @todo Actually this function must not touch the partialRecord structure at all, * because initially it is a zero and when VBVA is disabled this should be set to zero. * But I'm not sure that no code depends on zeroing partialRecord here. * So for now (a quick fix for 4.1) just do not do this if the VM was restored, * when partialRecord might be loaded already from the saved state. */ pVBVAData->partialRecord.pu8 = NULL; pVBVAData->partialRecord.cb = 0; } /* VBVA is working so disable the pause. */ pCtx->fPaused = false; } } else rc = VERR_NOT_SUPPORTED; return rc; } static int vbvaDisable(PVGASTATE pThis, PVGASTATECC pThisCC, VBVACONTEXT *pCtx, unsigned idScreen) { /* Process any pending orders and empty the VBVA ring buffer. */ vbvaFlush(pThis, pThisCC, pCtx); AssertReturn(idScreen < RT_ELEMENTS(pCtx->aViews), VERR_OUT_OF_RANGE); VBVADATA *pVBVAData = &pCtx->aViews[idScreen].vbva; vbvaDataCleanup(pVBVAData); if (idScreen == 0) { pThis->fGuestCaps = 0; pThisCC->pDrv->pfnVBVAGuestCapabilityUpdate(pThisCC->pDrv, pThis->fGuestCaps); } pThisCC->pDrv->pfnVBVADisable(pThisCC->pDrv, idScreen); return VINF_SUCCESS; } #ifdef UNUSED_FUNCTION bool VBVAIsEnabled(PVGASTATECC pThisCC) { PHGSMIINSTANCE pHGSMI = pThisCC->pHGSMI; if (pHGSMI) { VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pHGSMI); if (pCtx) { if (pCtx->cViews) { VBVAVIEW * pView = &pCtx->aViews[0]; if (pView->vbva.guest.pVBVA) return true; } } } return false; } #endif #ifdef DEBUG_sunlover void dumpMouseShapeInfo(const VBVAMOUSESHAPEINFO *pMouseShapeInfo) { LogFlow(("fSet = %d, fVisible %d, fAlpha %d, @%d,%d %dx%d (%p, %d/%d)\n", pMouseShapeInfo->fSet, pMouseShapeInfo->fVisible, pMouseShapeInfo->fAlpha, pMouseShapeInfo->u32HotX, pMouseShapeInfo->u32HotY, pMouseShapeInfo->u32Width, pMouseShapeInfo->u32Height, pMouseShapeInfo->pu8Shape, pMouseShapeInfo->cbShape, pMouseShapeInfo->cbAllocated )); } #endif static int vbvaUpdateMousePointerShape(PVGASTATECC pThisCC, VBVAMOUSESHAPEINFO *pMouseShapeInfo, bool fShape) { LogFlowFunc(("pThisCC %p, pMouseShapeInfo %p, fShape %d\n", pThisCC, pMouseShapeInfo, fShape)); #ifdef DEBUG_sunlover dumpMouseShapeInfo(pMouseShapeInfo); #endif if (pThisCC->pDrv->pfnVBVAMousePointerShape == NULL) return VERR_NOT_SUPPORTED; int rc; if (fShape && pMouseShapeInfo->pu8Shape != NULL) rc = pThisCC->pDrv->pfnVBVAMousePointerShape(pThisCC->pDrv, pMouseShapeInfo->fVisible, pMouseShapeInfo->fAlpha, pMouseShapeInfo->u32HotX, pMouseShapeInfo->u32HotY, pMouseShapeInfo->u32Width, pMouseShapeInfo->u32Height, pMouseShapeInfo->pu8Shape); else rc = pThisCC->pDrv->pfnVBVAMousePointerShape(pThisCC->pDrv, pMouseShapeInfo->fVisible, false, 0, 0, 0, 0, NULL); return rc; } static int vbvaMousePointerShape(PVGASTATECC pThisCC, VBVACONTEXT *pCtx, const VBVAMOUSEPOINTERSHAPE RT_UNTRUSTED_VOLATILE_GUEST *pShape, HGSMISIZE cbShape) { /* * Make non-volatile copy of the shape header and validate it. */ VBVAMOUSEPOINTERSHAPE SafeShape; RT_COPY_VOLATILE(SafeShape, *pShape); RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n", SafeShape.i32Result, SafeShape.fu32Flags, SafeShape.u32HotX, SafeShape.u32HotY, SafeShape.u32Width, SafeShape.u32Height)); const bool fVisible = RT_BOOL(SafeShape.fu32Flags & VBOX_MOUSE_POINTER_VISIBLE); const bool fAlpha = RT_BOOL(SafeShape.fu32Flags & VBOX_MOUSE_POINTER_ALPHA); const bool fShape = RT_BOOL(SafeShape.fu32Flags & VBOX_MOUSE_POINTER_SHAPE); HGSMISIZE cbPointerData = 0; if (fShape) { static const uint32_t s_cxMax = 2048; //used to be: 8192; static const uint32_t s_cyMax = 2048; //used to be: 8192; ASSERT_GUEST_MSG_RETURN( SafeShape.u32Width <= s_cxMax || SafeShape.u32Height <= s_cyMax, ("Too large: %ux%u, max %ux%x\n", SafeShape.u32Width, SafeShape.u32Height, s_cxMax, s_cyMax), VERR_INVALID_PARAMETER); cbPointerData = ((((SafeShape.u32Width + 7) / 8) * SafeShape.u32Height + 3) & ~3) + SafeShape.u32Width * 4 * SafeShape.u32Height; ASSERT_GUEST_MSG_RETURN(cbPointerData <= cbShape - RT_UOFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data), ("Insufficent pointer data: Expected %#x, got %#x\n", cbPointerData, cbShape - RT_UOFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data) ), VERR_INVALID_PARAMETER); } RT_UNTRUSTED_VALIDATED_FENCE(); /* * Do the job. */ /* Save mouse info it will be used to restore mouse pointer after restoring saved state. */ pCtx->mouseShapeInfo.fSet = true; pCtx->mouseShapeInfo.fVisible = fVisible; if (fShape) { /* Data related to shape. */ pCtx->mouseShapeInfo.u32HotX = SafeShape.u32HotX; pCtx->mouseShapeInfo.u32HotY = SafeShape.u32HotY; pCtx->mouseShapeInfo.u32Width = SafeShape.u32Width; pCtx->mouseShapeInfo.u32Height = SafeShape.u32Height; pCtx->mouseShapeInfo.fAlpha = fAlpha; /* Reallocate memory buffer if necessary. */ if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated) { RTMemFreeZ(pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbAllocated); pCtx->mouseShapeInfo.pu8Shape = NULL; pCtx->mouseShapeInfo.cbShape = 0; uint8_t *pu8Shape = (uint8_t *)RTMemAlloc(cbPointerData); if (pu8Shape) { pCtx->mouseShapeInfo.pu8Shape = pu8Shape; pCtx->mouseShapeInfo.cbAllocated = cbPointerData; } } /* Copy shape bitmaps. */ if (pCtx->mouseShapeInfo.pu8Shape) { RT_BCOPY_VOLATILE(pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData); pCtx->mouseShapeInfo.cbShape = cbPointerData; } } return vbvaUpdateMousePointerShape(pThisCC, &pCtx->mouseShapeInfo, fShape); } static uint32_t vbvaViewFromBufferPtr(PHGSMIINSTANCE pIns, const VBVACONTEXT *pCtx, const void RT_UNTRUSTED_VOLATILE_GUEST *pvBuffer) { /* Check which view contains the buffer. */ HGSMIOFFSET offBuffer = HGSMIPointerToOffsetHost(pIns, pvBuffer); if (offBuffer != HGSMIOFFSET_VOID) { unsigned uScreenId; for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++) { const VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view; if ((uint32_t)(offBuffer - pView->u32ViewOffset) < pView->u32ViewSize) return pView->u32ViewIndex; } } return UINT32_MAX; } #ifdef DEBUG_sunlover static void dumpctx(const VBVACONTEXT *pCtx) { Log(("VBVACONTEXT dump: cViews %d\n", pCtx->cViews)); uint32_t iView; for (iView = 0; iView < pCtx->cViews; iView++) { const VBVAVIEW *pView = &pCtx->aViews[iView]; Log((" view %d o 0x%x s 0x%x m 0x%x\n", pView->view.u32ViewIndex, pView->view.u32ViewOffset, pView->view.u32ViewSize, pView->view.u32MaxScreenSize)); Log((" screen %d @%d,%d s 0x%x l 0x%x %dx%d bpp %d f 0x%x\n", pView->screen.u32ViewIndex, pView->screen.i32OriginX, pView->screen.i32OriginY, pView->screen.u32StartOffset, pView->screen.u32LineSize, pView->screen.u32Width, pView->screen.u32Height, pView->screen.u16BitsPerPixel, pView->screen.u16Flags)); Log((" VBVA o 0x%x p %p\n", pView->vbva.u32VBVAOffset, pView->vbva.guest.pVBVA)); Log((" PR cb 0x%x p %p\n", pView->vbva.partialRecord.cb, pView->vbva.partialRecord.pu8)); } dumpMouseShapeInfo(&pCtx->mouseShapeInfo); } #endif /* DEBUG_sunlover */ #define VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC 0x12345678 #define VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC 0x9abcdef0 #ifdef VBOX_WITH_VIDEOHWACCEL static void vbvaVHWAHHCommandReinit(VBOXVHWACMD* pHdr, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay) { memset(pHdr, 0, VBOXVHWACMD_HEADSIZE()); pHdr->cRefs = 1; pHdr->iDisplay = iDisplay; pHdr->rc = VERR_NOT_IMPLEMENTED; pHdr->enmCmd = enmCmd; pHdr->Flags = VBOXVHWACMD_FLAG_HH_CMD; } static VBOXVHWACMD *vbvaVHWAHHCommandCreate(VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd) { VBOXVHWACMD *pHdr = (VBOXVHWACMD *)RTMemAllocZ(cbCmd + VBOXVHWACMD_HEADSIZE()); Assert(pHdr); if (pHdr) vbvaVHWAHHCommandReinit(pHdr, enmCmd, iDisplay); return pHdr; } DECLINLINE(void) vbvaVHWAHHCommandRelease(VBOXVHWACMD *pCmd) { uint32_t cRefs = ASMAtomicDecU32(&pCmd->cRefs); if (!cRefs) RTMemFree(pCmd); } DECLINLINE(void) vbvaVHWAHHCommandRetain(VBOXVHWACMD *pCmd) { ASMAtomicIncU32(&pCmd->cRefs); } static void vbvaVHWACommandComplete(PVGASTATECC pThisCC, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand, bool fAsyncCommand) { if (fAsyncCommand) { Assert(pCommand->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH); vbvaR3VHWACommandCompleteAsync(&pThisCC->IVBVACallbacks, pCommand); } else { Log(("VGA Command <<< Sync rc %d %#p, %d\n", pCommand->rc, pCommand, pCommand->enmCmd)); pCommand->Flags &= ~VBOXVHWACMD_FLAG_HG_ASYNCH; } } static void vbvaVHWACommandCompleteAllPending(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, int rc) { if (!ASMAtomicUoReadU32(&pThis->pendingVhwaCommands.cPending)) return; int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_SEM_BUSY); PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); VBOX_VHWA_PENDINGCMD *pIter, *pNext; RTListForEachSafe(&pThis->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node) { pIter->pCommand->rc = rc; vbvaVHWACommandComplete(pThisCC, pIter->pCommand, true); /* the command is submitted/processed, remove from the pend list */ RTListNodeRemove(&pIter->Node); ASMAtomicDecU32(&pThis->pendingVhwaCommands.cPending); RTMemFree(pIter); } PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); } static void vbvaVHWACommandClearAllPending(PPDMDEVINS pDevIns, PVGASTATE pThis) { if (!ASMAtomicUoReadU32(&pThis->pendingVhwaCommands.cPending)) return; int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_SEM_BUSY); PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); VBOX_VHWA_PENDINGCMD *pIter, *pNext; RTListForEachSafe(&pThis->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node) { RTListNodeRemove(&pIter->Node); ASMAtomicDecU32(&pThis->pendingVhwaCommands.cPending); RTMemFree(pIter); } PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); } static void vbvaVHWACommandPend(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand) { int rc = VERR_BUFFER_OVERFLOW; if (ASMAtomicUoReadU32(&pThis->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS) { VBOX_VHWA_PENDINGCMD *pPend = (VBOX_VHWA_PENDINGCMD *)RTMemAlloc(sizeof(*pPend)); if (pPend) { pCommand->Flags |= VBOXVHWACMD_FLAG_HG_ASYNCH; pPend->pCommand = pCommand; int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_SEM_BUSY); PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); if (ASMAtomicUoReadU32(&pThis->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS) { RTListAppend(&pThis->pendingVhwaCommands.PendingList, &pPend->Node); ASMAtomicIncU32(&pThis->pendingVhwaCommands.cPending); PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); return; } PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); LogRel(("VBVA: Pending command count has reached its threshold.. completing them all..")); RTMemFree(pPend); } else rc = VERR_NO_MEMORY; } else LogRel(("VBVA: Pending command count has reached its threshold, completing them all..")); vbvaVHWACommandCompleteAllPending(pDevIns, pThis, pThisCC, rc); pCommand->rc = rc; vbvaVHWACommandComplete(pThisCC, pCommand, false); } static bool vbvaVHWACommandCanPend(VBOXVHWACMD_TYPE enmCmd) { switch (enmCmd) { case VBOXVHWACMD_TYPE_HH_CONSTRUCT: case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN: case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND: case VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM: case VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM: return false; default: return true; } } static int vbvaVHWACommandSavePending(PCPDMDEVHLPR3 pHlp, PVGASTATE pThis, PVGASTATECC pThisCC, PSSMHANDLE pSSM) { int rc = pHlp->pfnSSMPutU32(pSSM, pThis->pendingVhwaCommands.cPending); AssertRCReturn(rc, rc); VBOX_VHWA_PENDINGCMD *pIter; RTListForEach(&pThis->pendingVhwaCommands.PendingList, pIter, VBOX_VHWA_PENDINGCMD, Node) { AssertContinue((uintptr_t)pIter->pCommand - (uintptr_t)pThisCC->pbVRam < pThis->vram_size); rc = pHlp->pfnSSMPutU32(pSSM, (uint32_t)(((uint8_t *)pIter->pCommand) - ((uint8_t *)pThisCC->pbVRam))); AssertRCReturn(rc, rc); } return rc; } static int vbvaVHWACommandLoadPending(PPDMDEVINS pDevIns, PCPDMDEVHLPR3 pHlp, PVGASTATE pThis, PVGASTATECC pThisCC, PSSMHANDLE pSSM, uint32_t u32Version) { if (u32Version < VGA_SAVEDSTATE_VERSION_WITH_PENDVHWA) return VINF_SUCCESS; uint32_t u32; int rc = pHlp->pfnSSMGetU32(pSSM, &u32); AssertRCReturn(rc, rc); for (uint32_t i = 0; i < u32; ++i) { uint32_t off32; rc = pHlp->pfnSSMGetU32(pSSM, &off32); AssertRCReturn(rc, rc); VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand = (VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *)((uint8_t volatile *)pThisCC->pbVRam + off32); vbvaVHWACommandPend(pDevIns, pThis, pThisCC, pCommand); } return rc; } /** Worker for vbvaVHWACommandSubmit. */ static bool vbvaVHWACommandSubmitInner(PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand, bool *pfPending) { *pfPending = false; /* * Read the command type and validate it and our driver state. */ VBOXVHWACMD_TYPE enmCmd = pCommand->enmCmd; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); bool fGuestCmd = (uintptr_t)pCommand - (uintptr_t)pThisCC->pbVRam < pThis->vram_size; ASSERT_GUEST_LOGREL_MSG_STMT_RETURN( !fGuestCmd || ( enmCmd != VBOXVHWACMD_TYPE_HH_CONSTRUCT && enmCmd != VBOXVHWACMD_TYPE_HH_RESET && enmCmd != VBOXVHWACMD_TYPE_HH_DISABLE && enmCmd != VBOXVHWACMD_TYPE_HH_ENABLE && enmCmd != VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN && enmCmd != VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND && enmCmd != VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM && enmCmd != VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM), ("enmCmd=%d\n", enmCmd), pCommand->rc = VERR_INVALID_PARAMETER, true); ASSERT_GUEST_STMT_RETURN(pThisCC->pDrv->pfnVHWACommandProcess, pCommand->rc = VERR_INVALID_STATE, true); RT_UNTRUSTED_VALIDATED_FENCE(); /* * Call the driver to process the command. */ Log(("VGA Command >>> %#p, %d\n", pCommand, enmCmd)); int rc = pThisCC->pDrv->pfnVHWACommandProcess(pThisCC->pDrv, enmCmd, fGuestCmd, pCommand); if (rc == VINF_CALLBACK_RETURN) { Log(("VGA Command --- Going Async %#p, %d\n", pCommand, enmCmd)); *pfPending = true; return true; /* Command will be completed asynchronously by the driver and need not be put in the pending list. */ } if (rc == VERR_INVALID_STATE) { Log(("VGA Command --- Trying Pend %#p, %d\n", pCommand, enmCmd)); if (vbvaVHWACommandCanPend(enmCmd)) { Log(("VGA Command --- Can Pend %#p, %d\n", pCommand, enmCmd)); *pfPending = true; return false; /* put on pending list so it can be retried?? */ } Log(("VGA Command --- Can NOT Pend %#p, %d\n", pCommand, enmCmd)); } else Log(("VGA Command --- Going Complete Sync rc %d %#p, %d\n", rc, pCommand, enmCmd)); /* the command was completed, take a special care about it (see caller) */ pCommand->rc = rc; return true; } static bool vbvaVHWACommandSubmit(PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCommand, bool fAsyncCommand) { bool fPending = false; bool fRet = vbvaVHWACommandSubmitInner(pThis, pThisCC, pCommand, &fPending); if (!fPending) vbvaVHWACommandComplete(pThisCC, pCommand, fAsyncCommand); return fRet; } /** * @returns false if commands are pending, otherwise true. */ static bool vbvaVHWACheckPendingCommands(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) { if (!ASMAtomicUoReadU32(&pThis->pendingVhwaCommands.cPending)) return true; int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_SEM_BUSY); PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); VBOX_VHWA_PENDINGCMD *pIter, *pNext; RTListForEachSafe(&pThis->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node) { if (!vbvaVHWACommandSubmit(pThis, pThisCC, pIter->pCommand, true)) { PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); return false; /* the command should be still pending */ } /* the command is submitted/processed, remove from the pend list */ RTListNodeRemove(&pIter->Node); ASMAtomicDecU32(&pThis->pendingVhwaCommands.cPending); RTMemFree(pIter); } PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); return true; } void vbvaTimerCb(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) { vbvaVHWACheckPendingCommands(pDevIns, pThis, pThisCC); } static void vbvaVHWAHandleCommand(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCmd) { if (vbvaVHWACheckPendingCommands(pDevIns, pThis, pThisCC)) { if (vbvaVHWACommandSubmit(pThis, pThisCC, pCmd, false)) return; } vbvaVHWACommandPend(pDevIns, pThis, pThisCC, pCmd); } static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext) { RTSemEventSignal((RTSEMEVENT)pContext); } static int vbvaVHWAHHCommandPost(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd) { RTSEMEVENT hComplEvent; int rc = RTSemEventCreate(&hComplEvent); AssertRC(rc); if (RT_SUCCESS(rc)) { /* ensure the cmd is not deleted until we process it */ vbvaVHWAHHCommandRetain(pCmd); VBOXVHWA_HH_CALLBACK_SET(pCmd, vbvaVHWAHHCommandSetEventCallback, (void *)hComplEvent); vbvaVHWAHandleCommand(pDevIns, pThis, pThisCC, pCmd); if ((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0) rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT); /** @todo Why the NoResume and event leaking here? */ /* else: the command is completed */ AssertRC(rc); if (RT_SUCCESS(rc)) RTSemEventDestroy(hComplEvent); vbvaVHWAHHCommandRelease(pCmd); } return rc; } int vbvaVHWAConstruct(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) { pThis->pendingVhwaCommands.cPending = 0; RTListInit(&pThis->pendingVhwaCommands.PendingList); VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(VBOXVHWACMD_TYPE_HH_CONSTRUCT, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT)); Assert(pCmd); if(pCmd) { uint32_t iDisplay = 0; int rc = VINF_SUCCESS; VBOXVHWACMD_HH_CONSTRUCT *pBody = VBOXVHWACMD_BODY_HOST_HEAP(pCmd, VBOXVHWACMD_HH_CONSTRUCT); for (;;) { memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT)); PVM pVM = PDMDevHlpGetVM(pDevIns); pBody->pVM = pVM; pBody->pvVRAM = pThisCC->pbVRam; pBody->cbVRAM = pThis->vram_size; rc = vbvaVHWAHHCommandPost(pDevIns, pThis, pThisCC, pCmd); ASMCompilerBarrier(); AssertRC(rc); if (RT_SUCCESS(rc)) { rc = pCmd->rc; AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc)); if(rc == VERR_NOT_IMPLEMENTED) { /** @todo set some flag in pThis indicating VHWA is not supported */ /* VERR_NOT_IMPLEMENTED is not a failure, we just do not support it */ rc = VINF_SUCCESS; } if (!RT_SUCCESS(rc)) break; } else break; ++iDisplay; if (iDisplay >= pThis->cMonitors) break; vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay); } vbvaVHWAHHCommandRelease(pCmd); return rc; } return VERR_OUT_OF_RESOURCES; } static int vbvaVHWAReset(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) { vbvaVHWACommandClearAllPending(pDevIns, pThis); /* ensure we have all pending cmds processed and h->g cmds disabled */ VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(VBOXVHWACMD_TYPE_HH_RESET, 0, 0); Assert(pCmd); if (pCmd) { int rc = VINF_SUCCESS; uint32_t iDisplay = 0; do { rc = vbvaVHWAHHCommandPost(pDevIns, pThis, pThisCC, pCmd); AssertRC(rc); if(RT_SUCCESS(rc)) { rc = pCmd->rc; AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc)); if (rc == VERR_NOT_IMPLEMENTED) rc = VINF_SUCCESS; } if (!RT_SUCCESS(rc)) break; ++iDisplay; if (iDisplay >= pThis->cMonitors) break; vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay); } while (true); vbvaVHWAHHCommandRelease(pCmd); return rc; } return VERR_OUT_OF_RESOURCES; } typedef DECLCALLBACKTYPE(bool, FNVBOXVHWAHHCMDPRECB,(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext)); typedef FNVBOXVHWAHHCMDPRECB *PFNVBOXVHWAHHCMDPRECB; typedef DECLCALLBACKTYPE(bool, FNVBOXVHWAHHCMDPOSTCB,(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext)); typedef FNVBOXVHWAHHCMDPOSTCB *PFNVBOXVHWAHHCMDPOSTCB; static int vbvaVHWAHHPost(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd, PFNVBOXVHWAHHCMDPRECB pfnPre, PFNVBOXVHWAHHCMDPOSTCB pfnPost, void *pvContext) { const VBOXVHWACMD_TYPE enmType = pCmd->enmCmd; int rc = VINF_SUCCESS; uint32_t iDisplay = 0; do { if (!pfnPre || pfnPre(pDevIns, pThis, pThisCC, pCmd, iDisplay, pvContext)) { rc = vbvaVHWAHHCommandPost(pDevIns, pThis, pThisCC, pCmd); AssertRC(rc); if (pfnPost) { if (!pfnPost(pDevIns, pThis, pThisCC, pCmd, iDisplay, rc, pvContext)) { rc = VINF_SUCCESS; break; } rc = VINF_SUCCESS; } else if(RT_SUCCESS(rc)) { rc = pCmd->rc; AssertMsg(RT_SUCCESS(rc) || rc == VERR_NOT_IMPLEMENTED, ("%Rrc\n", rc)); if(rc == VERR_NOT_IMPLEMENTED) { rc = VINF_SUCCESS; } } if (!RT_SUCCESS(rc)) break; } ++iDisplay; if (iDisplay >= pThis->cMonitors) break; vbvaVHWAHHCommandReinit(pCmd, enmType, (int32_t)iDisplay); } while (true); return rc; } /** @todo call this also on reset? */ static int vbvaVHWAEnable(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, bool bEnable) { const VBOXVHWACMD_TYPE enmType = bEnable ? VBOXVHWACMD_TYPE_HH_ENABLE : VBOXVHWACMD_TYPE_HH_DISABLE; VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(enmType, 0, 0); Assert(pCmd); if(pCmd) { int rc = vbvaVHWAHHPost(pDevIns, pThis, pThisCC, pCmd, NULL, NULL, NULL); vbvaVHWAHHCommandRelease(pCmd); return rc; } return VERR_OUT_OF_RESOURCES; } int vboxVBVASaveStatePrep(PPDMDEVINS pDevIns) { /* ensure we have no pending commands */ return vbvaVHWAEnable(pDevIns, PDMDEVINS_2_DATA(pDevIns, PVGASTATE), PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC), false); } int vboxVBVASaveStateDone(PPDMDEVINS pDevIns) { /* ensure we have no pending commands */ return vbvaVHWAEnable(pDevIns, PDMDEVINS_2_DATA(pDevIns, PVGASTATE), PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC), true); } /** * @interface_method_impl{PDMIDISPLAYVBVACALLBACKS,pfnVHWACommandCompleteAsync} */ DECLCALLBACK(int) vbvaR3VHWACommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *pCmd) { PVGASTATECC pThisCC = RT_FROM_MEMBER(pInterface, VGASTATECC, IVBVACallbacks); PPDMDEVINS pDevIns = pThisCC->pDevIns; PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); int rc; Log(("VGA Command <<< Async rc %d %#p, %d\n", pCmd->rc, pCmd, pCmd->enmCmd)); if ((uintptr_t)pCmd - (uintptr_t)pThisCC->pbVRam < pThis->vram_size) { PHGSMIINSTANCE pIns = pThisCC->pHGSMI; Assert(!(pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD)); Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH); #ifdef VBOX_WITH_WDDM if (pThis->fGuestCaps & VBVACAPS_COMPLETEGCMD_BY_IOREAD) { rc = HGSMICompleteGuestCommand(pIns, pCmd, !!(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ)); AssertRC(rc); } else #endif { VBVAHOSTCMD RT_UNTRUSTED_VOLATILE_GUEST *pHostCmd = NULL; /* Shut up MSC. */ if (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT) { rc = HGSMIHostCommandAlloc(pIns, (void RT_UNTRUSTED_VOLATILE_GUEST **)&pHostCmd, VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)), HGSMI_CH_VBVA, VBVAHG_EVENT); AssertRC(rc); if (RT_SUCCESS(rc)) { memset((void *)pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT))); pHostCmd->iDstID = pCmd->iDisplay; pHostCmd->customOpCode = 0; VBVAHOSTCMDEVENT RT_UNTRUSTED_VOLATILE_GUEST *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDEVENT); pBody->pEvent = pCmd->GuestVBVAReserved1; } } else { HGSMIOFFSET offCmd = HGSMIPointerToOffsetHost(pIns, pCmd); Assert(offCmd != HGSMIOFFSET_VOID); if (offCmd != HGSMIOFFSET_VOID) { rc = HGSMIHostCommandAlloc(pIns, (void RT_UNTRUSTED_VOLATILE_GUEST **)&pHostCmd, VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)), HGSMI_CH_VBVA, VBVAHG_DISPLAY_CUSTOM); AssertRC(rc); if (RT_SUCCESS(rc)) { memset((void *)pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE))); pHostCmd->iDstID = pCmd->iDisplay; pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE; VBVAHOSTCMDVHWACMDCOMPLETE RT_UNTRUSTED_VOLATILE_GUEST *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE); pBody->offCmd = offCmd; } } else rc = VERR_INVALID_PARAMETER; } if (RT_SUCCESS(rc)) { rc = HGSMIHostCommandSubmitAndFreeAsynch(pIns, pHostCmd, RT_BOOL(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ)); AssertRC(rc); if (RT_SUCCESS(rc)) return rc; HGSMIHostCommandFree (pIns, pHostCmd); } } } else { Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD); PFNVBOXVHWA_HH_CALLBACK pfn = VBOXVHWA_HH_CALLBACK_GET(pCmd); if (pfn) pfn(VBOXVHWA_HH_CALLBACK_GET_ARG(pCmd)); rc = VINF_SUCCESS; } return rc; } typedef struct VBOXVBVASAVEDSTATECBDATA { PSSMHANDLE pSSM; int rc; bool ab2DOn[VBOX_VIDEO_MAX_SCREENS]; } VBOXVBVASAVEDSTATECBDATA, *PVBOXVBVASAVEDSTATECBDATA; /** * @callback_method_impl{FNVBOXVHWAHHCMDPOSTCB} */ static DECLCALLBACK(bool) vboxVBVASaveStateBeginPostCb(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext) { RT_NOREF(pDevIns, pThis, pThisCC, pCmd); PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext; if (RT_FAILURE(pData->rc)) return false; if (RT_FAILURE(rc)) { pData->rc = rc; return false; } Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn)); if (iDisplay >= RT_ELEMENTS(pData->ab2DOn)) { pData->rc = VERR_INVALID_PARAMETER; return false; } Assert(RT_SUCCESS(pCmd->rc) || pCmd->rc == VERR_NOT_IMPLEMENTED); if (RT_SUCCESS(pCmd->rc)) { pData->ab2DOn[iDisplay] = true; } else if (pCmd->rc != VERR_NOT_IMPLEMENTED) { pData->rc = pCmd->rc; return false; } return true; } /** * @callback_method_impl{FNVBOXVHWAHHCMDPRECB} */ static DECLCALLBACK(bool) vboxVBVASaveStatePerformPreCb(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext) { RT_NOREF(pThis, pThisCC, pCmd); PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext; if (RT_FAILURE(pData->rc)) return false; Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn)); if (iDisplay >= RT_ELEMENTS(pData->ab2DOn)) { pData->rc = VERR_INVALID_PARAMETER; return false; } int rc; PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; if (pData->ab2DOn[iDisplay]) { rc = pHlp->pfnSSMPutU32(pData->pSSM, VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC); AssertRC(rc); if (RT_FAILURE(rc)) { pData->rc = rc; return false; } return true; } rc = pHlp->pfnSSMPutU32(pData->pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRC(rc); if (RT_FAILURE(rc)) { pData->rc = rc; return false; } return false; } /** * @callback_method_impl{FNVBOXVHWAHHCMDPOSTCB} */ static DECLCALLBACK(bool) vboxVBVASaveStateEndPreCb(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext) { RT_NOREF(pDevIns, pThis, pThisCC, pCmd); PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext; Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn)); if (pData->ab2DOn[iDisplay]) return true; return false; } /** * @callback_method_impl{FNVBOXVHWAHHCMDPOSTCB} */ static DECLCALLBACK(bool) vboxVBVALoadStatePerformPostCb(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext) { RT_NOREF(pThis, pThisCC, pCmd); PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext; if (RT_FAILURE(pData->rc)) return false; if (RT_FAILURE(rc)) { pData->rc = rc; return false; } Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn)); if (iDisplay >= RT_ELEMENTS(pData->ab2DOn)) { pData->rc = VERR_INVALID_PARAMETER; return false; } PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; Assert(RT_SUCCESS(pCmd->rc) || pCmd->rc == VERR_NOT_IMPLEMENTED); if (pCmd->rc == VERR_NOT_IMPLEMENTED) { pData->rc = pHlp->pfnSSMSkipToEndOfUnit(pData->pSSM); AssertRC(pData->rc); return false; } if (RT_FAILURE(pCmd->rc)) { pData->rc = pCmd->rc; return false; } return true; } /** * @callback_method_impl{FNVBOXVHWAHHCMDPOSTCB} */ static DECLCALLBACK(bool) vboxVBVALoadStatePerformPreCb(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext) { RT_NOREF(pThis, pThisCC, pCmd); PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext; if (RT_FAILURE(pData->rc)) return false; Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn)); if (iDisplay >= RT_ELEMENTS(pData->ab2DOn)) { pData->rc = VERR_INVALID_PARAMETER; return false; } PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; int rc; uint32_t u32; rc = pHlp->pfnSSMGetU32(pData->pSSM, &u32); AssertRC(rc); if (RT_FAILURE(rc)) { pData->rc = rc; return false; } switch (u32) { case VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC: pData->ab2DOn[iDisplay] = true; return true; case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC: pData->ab2DOn[iDisplay] = false; return false; default: pData->rc = VERR_INVALID_STATE; return false; } } #endif /* VBOX_WITH_VIDEOHWACCEL */ static int vboxVBVASaveDevStateExec(PCPDMDEVHLPR3 pHlp, PVGASTATE pThis, PVGASTATECC pThisCC, PSSMHANDLE pSSM) { PHGSMIINSTANCE pIns = pThisCC->pHGSMI; int rc = HGSMIHostSaveStateExec(pHlp, pIns, pSSM); if (RT_SUCCESS(rc)) { VGA_SAVED_STATE_PUT_MARKER(pSSM, 2); /* Save VBVACONTEXT. */ VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns); if (!pCtx) { AssertFailed(); /* Still write a valid value to the SSM. */ rc = pHlp->pfnSSMPutU32 (pSSM, 0); AssertRCReturn(rc, rc); } else { #ifdef DEBUG_sunlover dumpctx(pCtx); #endif rc = pHlp->pfnSSMPutU32 (pSSM, pCtx->cViews); AssertRCReturn(rc, rc); uint32_t iView; for (iView = 0; iView < pCtx->cViews; iView++) { VBVAVIEW *pView = &pCtx->aViews[iView]; rc = pHlp->pfnSSMPutU32(pSSM, pView->view.u32ViewIndex); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->view.u32ViewOffset); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->view.u32ViewSize); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->view.u32MaxScreenSize); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->screen.u32ViewIndex); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutS32(pSSM, pView->screen.i32OriginX); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutS32(pSSM, pView->screen.i32OriginY); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->screen.u32StartOffset); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->screen.u32LineSize); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->screen.u32Width); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->screen.u32Height); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU16(pSSM, pView->screen.u16BitsPerPixel); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU16(pSSM, pView->screen.u16Flags); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->vbva.guest.pVBVA? pView->vbva.u32VBVAOffset: HGSMIOFFSET_VOID); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pView->vbva.partialRecord.cb); AssertRCReturn(rc, rc); if (pView->vbva.partialRecord.cb > 0) { rc = pHlp->pfnSSMPutMem(pSSM, pView->vbva.partialRecord.pu8, pView->vbva.partialRecord.cb); AssertRCReturn(rc, rc); } } /* Save mouse pointer shape information. */ rc = pHlp->pfnSSMPutBool(pSSM, pCtx->mouseShapeInfo.fSet); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutBool(pSSM, pCtx->mouseShapeInfo.fVisible); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutBool(pSSM, pCtx->mouseShapeInfo.fAlpha); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pCtx->mouseShapeInfo.u32HotX); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pCtx->mouseShapeInfo.u32HotY); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pCtx->mouseShapeInfo.u32Width); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pCtx->mouseShapeInfo.u32Height); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pCtx->mouseShapeInfo.cbShape); AssertRCReturn(rc, rc); if (pCtx->mouseShapeInfo.cbShape) { rc = pHlp->pfnSSMPutMem(pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape); AssertRCReturn(rc, rc); } #ifdef VBOX_WITH_WDDM /* Size of some additional data. For future extensions. */ rc = pHlp->pfnSSMPutU32(pSSM, 4); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, pThis->fGuestCaps); AssertRCReturn(rc, rc); #else /* Size of some additional data. For future extensions. */ rc = pHlp->pfnSSMPutU32(pSSM, 0); AssertRCReturn(rc, rc); #endif rc = pHlp->pfnSSMPutU32(pSSM, RT_ELEMENTS(pCtx->aModeHints)); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMPutU32(pSSM, sizeof(VBVAMODEHINT)); AssertRCReturn(rc, rc); for (unsigned i = 0; i < RT_ELEMENTS(pCtx->aModeHints); ++i) { rc = pHlp->pfnSSMPutMem(pSSM, &pCtx->aModeHints[i], sizeof(VBVAMODEHINT)); AssertRCReturn(rc, rc); } } } return rc; } int vboxVBVASaveStateExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM) { PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; int rc; #ifdef VBOX_WITH_VIDEOHWACCEL VBOXVBVASAVEDSTATECBDATA VhwaData = {0}; VhwaData.pSSM = pSSM; uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); /* maximum cmd size */ VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd); Assert(pCmd); if (pCmd) { vbvaVHWAHHPost(pDevIns, pThis, pThisCC, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData); rc = VhwaData.rc; AssertRC(rc); if (RT_SUCCESS(rc)) { #endif rc = vboxVBVASaveDevStateExec(pHlp, pThis, pThisCC, pSSM); AssertRC(rc); #ifdef VBOX_WITH_VIDEOHWACCEL if (RT_SUCCESS(rc)) { vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEPERFORM, 0); VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM *pSave = VBOXVHWACMD_BODY_HOST_HEAP(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); pSave->pSSM = pSSM; vbvaVHWAHHPost(pDevIns, pThis, pThisCC, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData); rc = VhwaData.rc; AssertRC(rc); if (RT_SUCCESS(rc)) { rc = vbvaVHWACommandSavePending(pHlp, pThis, pThisCC, pSSM); AssertRCReturn(rc, rc); vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0); vbvaVHWAHHPost(pDevIns, pThis, pThisCC, pCmd, vboxVBVASaveStateEndPreCb, NULL, &VhwaData); rc = VhwaData.rc; AssertRC(rc); } } } vbvaVHWAHHCommandRelease(pCmd); } else rc = VERR_OUT_OF_RESOURCES; #else if (RT_SUCCESS(rc)) { for (uint32_t i = 0; i < pThis->cMonitors; ++i) { rc = pHlp->pfnSSMPutU32(pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRCReturn(rc, rc); } } /* no pending commands */ pHlp->pfnSSMPutU32(pSSM, 0); #endif return rc; } int vboxVBVALoadStateExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion) { if (uVersion < VGA_SAVEDSTATE_VERSION_HGSMI) { /* Nothing was saved. */ return VINF_SUCCESS; } PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); PHGSMIINSTANCE pIns = pThisCC->pHGSMI; PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; int rc = HGSMIHostLoadStateExec(pHlp, pIns, pSSM, uVersion); if (RT_SUCCESS(rc)) { VGA_SAVED_STATE_GET_MARKER_RETURN_ON_MISMATCH(pSSM, uVersion, 2); /* Load VBVACONTEXT. */ VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns); if (!pCtx) { /* This should not happen. */ AssertFailed(); rc = VERR_INVALID_PARAMETER; } else { uint32_t cViews = 0; rc = pHlp->pfnSSMGetU32 (pSSM, &cViews); AssertRCReturn(rc, rc); uint32_t iView; for (iView = 0; iView < cViews; iView++) { VBVAVIEW *pView = &pCtx->aViews[iView]; rc = pHlp->pfnSSMGetU32 (pSSM, &pView->view.u32ViewIndex); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->view.u32ViewOffset); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->view.u32ViewSize); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->view.u32MaxScreenSize); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->screen.u32ViewIndex); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetS32 (pSSM, &pView->screen.i32OriginX); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetS32 (pSSM, &pView->screen.i32OriginY); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->screen.u32StartOffset); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->screen.u32LineSize); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->screen.u32Width); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->screen.u32Height); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU16 (pSSM, &pView->screen.u16BitsPerPixel); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU16 (pSSM, &pView->screen.u16Flags); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->vbva.u32VBVAOffset); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pView->vbva.partialRecord.cb); AssertRCReturn(rc, rc); if (pView->vbva.partialRecord.cb == 0) { pView->vbva.partialRecord.pu8 = NULL; } else { Assert(pView->vbva.partialRecord.pu8 == NULL); /* Should be it. */ uint8_t *pu8 = (uint8_t *)RTMemAlloc(pView->vbva.partialRecord.cb); if (!pu8) { return VERR_NO_MEMORY; } pView->vbva.partialRecord.pu8 = pu8; rc = pHlp->pfnSSMGetMem (pSSM, pView->vbva.partialRecord.pu8, pView->vbva.partialRecord.cb); AssertRCReturn(rc, rc); } if (pView->vbva.u32VBVAOffset == HGSMIOFFSET_VOID) { pView->vbva.guest.pVBVA = NULL; } else { pView->vbva.guest.pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost(pIns, pView->vbva.u32VBVAOffset); } } if (uVersion > VGA_SAVEDSTATE_VERSION_WITH_CONFIG) { /* Read mouse pointer shape information. */ rc = pHlp->pfnSSMGetBool (pSSM, &pCtx->mouseShapeInfo.fSet); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetBool (pSSM, &pCtx->mouseShapeInfo.fVisible); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &pCtx->mouseShapeInfo.cbShape); AssertRCReturn(rc, rc); if (pCtx->mouseShapeInfo.cbShape) { pCtx->mouseShapeInfo.pu8Shape = (uint8_t *)RTMemAlloc(pCtx->mouseShapeInfo.cbShape); if (pCtx->mouseShapeInfo.pu8Shape == NULL) { return VERR_NO_MEMORY; } pCtx->mouseShapeInfo.cbAllocated = pCtx->mouseShapeInfo.cbShape; rc = pHlp->pfnSSMGetMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape); AssertRCReturn(rc, rc); } else { pCtx->mouseShapeInfo.pu8Shape = NULL; } /* Size of some additional data. For future extensions. */ uint32_t cbExtra = 0; rc = pHlp->pfnSSMGetU32 (pSSM, &cbExtra); AssertRCReturn(rc, rc); #ifdef VBOX_WITH_WDDM if (cbExtra >= 4) { rc = pHlp->pfnSSMGetU32 (pSSM, &pThis->fGuestCaps); AssertRCReturn(rc, rc); pThisCC->pDrv->pfnVBVAGuestCapabilityUpdate(pThisCC->pDrv, pThis->fGuestCaps); cbExtra -= 4; } #endif if (cbExtra > 0) { rc = pHlp->pfnSSMSkip(pSSM, cbExtra); AssertRCReturn(rc, rc); } if (uVersion >= VGA_SAVEDSTATE_VERSION_MODE_HINTS) { uint32_t cModeHints, cbModeHints; rc = pHlp->pfnSSMGetU32 (pSSM, &cModeHints); AssertRCReturn(rc, rc); rc = pHlp->pfnSSMGetU32 (pSSM, &cbModeHints); AssertRCReturn(rc, rc); memset(&pCtx->aModeHints, ~0, sizeof(pCtx->aModeHints)); unsigned iHint; for (iHint = 0; iHint < cModeHints; ++iHint) { if ( cbModeHints <= sizeof(VBVAMODEHINT) && iHint < RT_ELEMENTS(pCtx->aModeHints)) rc = pHlp->pfnSSMGetMem(pSSM, &pCtx->aModeHints[iHint], cbModeHints); else rc = pHlp->pfnSSMSkip(pSSM, cbModeHints); AssertRCReturn(rc, rc); } } } pCtx->cViews = iView; LogFlowFunc(("%d views loaded\n", pCtx->cViews)); if (uVersion > VGA_SAVEDSTATE_VERSION_WDDM) { bool fLoadCommands; if (uVersion < VGA_SAVEDSTATE_VERSION_FIXED_PENDVHWA) { const char *pcszOsArch = pHlp->pfnSSMHandleHostOSAndArch(pSSM); Assert(pcszOsArch); fLoadCommands = !pcszOsArch || RTStrNCmp(pcszOsArch, RT_STR_TUPLE("solaris")); } else fLoadCommands = true; #ifdef VBOX_WITH_VIDEOHWACCEL uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */ VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd); Assert(pCmd); if(pCmd) { VBOXVBVASAVEDSTATECBDATA VhwaData = {0}; VhwaData.pSSM = pSSM; VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY_HOST_HEAP(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); pLoad->pSSM = pSSM; vbvaVHWAHHPost(pDevIns, pThis, pThisCC, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData); rc = VhwaData.rc; vbvaVHWAHHCommandRelease(pCmd); AssertRCReturn(rc, rc); if (fLoadCommands) { rc = vbvaVHWACommandLoadPending(pDevIns, pHlp, pThis, pThisCC, pSSM, uVersion); AssertRCReturn(rc, rc); } } else { rc = VERR_OUT_OF_RESOURCES; } #else uint32_t u32; for (uint32_t i = 0; i < pThis->cMonitors; ++i) { rc = pHlp->pfnSSMGetU32(pSSM, &u32); AssertRCReturn(rc, rc); if (u32 != VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC) { LogRel(("VBVA: 2D data while 2D is not supported\n")); return VERR_NOT_SUPPORTED; } } if (fLoadCommands) { rc = pHlp->pfnSSMGetU32(pSSM, &u32); AssertRCReturn(rc, rc); if (u32) { LogRel(("VBVA: 2D pending command while 2D is not supported\n")); return VERR_NOT_SUPPORTED; } } #endif } #ifdef DEBUG_sunlover dumpctx(pCtx); #endif } } return rc; } int vboxVBVALoadStateDone(PPDMDEVINS pDevIns) { PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); if (pCtx) { uint32_t iView; for (iView = 0; iView < pCtx->cViews; iView++) { VBVAVIEW *pView = &pCtx->aViews[iView]; if (pView->vbva.guest.pVBVA) { int rc = vbvaEnable(pThis, pThisCC, pCtx, iView, pView->vbva.guest.pVBVA, pView->vbva.u32VBVAOffset, true /* fRestored */); if (RT_SUCCESS(rc)) vbvaResize(pThisCC, pView, &pView->screen, false); else LogRel(("VBVA: can not restore: %Rrc\n", rc)); } } if (pCtx->mouseShapeInfo.fSet) vbvaUpdateMousePointerShape(pThisCC, &pCtx->mouseShapeInfo, true); } return VINF_SUCCESS; } void VBVARaiseIrq(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t fFlags) { int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSectIRQ, VERR_SEM_BUSY); PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSectIRQ, rcLock); const uint32_t fu32CurrentGuestFlags = HGSMIGetHostGuestFlags(pThisCC->pHGSMI); if ((fu32CurrentGuestFlags & HGSMIHOSTFLAGS_IRQ) == 0) { /* No IRQ set yet. */ Assert(pThis->fu32PendingGuestFlags == 0); HGSMISetHostGuestFlags(pThisCC->pHGSMI, HGSMIHOSTFLAGS_IRQ | fFlags); /* If VM is not running, the IRQ will be set in VBVAOnResume. */ const VMSTATE enmVMState = PDMDevHlpVMState(pDevIns); if ( enmVMState == VMSTATE_RUNNING || enmVMState == VMSTATE_RUNNING_LS) PDMDevHlpPCISetIrqNoWait(pDevIns, 0, PDM_IRQ_LEVEL_HIGH); } else { /* IRQ already set, remember the new flags. */ pThis->fu32PendingGuestFlags |= HGSMIHOSTFLAGS_IRQ | fFlags; } PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSectIRQ); } void VBVAOnResume(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) { int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSectIRQ, VERR_SEM_BUSY); PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSectIRQ, rcLock); if (HGSMIGetHostGuestFlags(pThisCC->pHGSMI) & HGSMIHOSTFLAGS_IRQ) PDMDevHlpPCISetIrqNoWait(pDevIns, 0, PDM_IRQ_LEVEL_HIGH); PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSectIRQ); } static int vbvaHandleQueryConf32(PVGASTATECC pThisCC, VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *pConf32) { uint32_t const idxQuery = pConf32->u32Index; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n", idxQuery, pConf32->u32Value)); VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); uint32_t uValue; if (idxQuery == VBOX_VBVA_CONF32_MONITOR_COUNT) uValue = pCtx->cViews; else if (idxQuery == VBOX_VBVA_CONF32_HOST_HEAP_SIZE) uValue = _64K; /** @todo a value calculated from the vram size */ else if ( idxQuery == VBOX_VBVA_CONF32_MODE_HINT_REPORTING || idxQuery == VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING) uValue = VINF_SUCCESS; else if (idxQuery == VBOX_VBVA_CONF32_CURSOR_CAPABILITIES) uValue = VBOX_VBVA_CURSOR_CAPABILITY_HARDWARE; else if (idxQuery == VBOX_VBVA_CONF32_SCREEN_FLAGS) uValue = VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_DISABLED | VBVA_SCREEN_F_BLANK | VBVA_SCREEN_F_BLANK2; else if (idxQuery == VBOX_VBVA_CONF32_MAX_RECORD_SIZE) uValue = VBVA_MAX_RECORD_SIZE; else if (idxQuery == UINT32_MAX) uValue = UINT32_MAX; /* Older GA uses this for sanity checking. See testQueryConf in HGSMIBase.cpp on branches. */ else ASSERT_GUEST_MSG_FAILED_RETURN(("Invalid index %#x\n", idxQuery), VERR_INVALID_PARAMETER); pConf32->u32Value = uValue; return VINF_SUCCESS; } static int vbvaHandleSetConf32(VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *pConf32) { uint32_t const idxQuery = pConf32->u32Index; uint32_t const uValue = pConf32->u32Value; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n", idxQuery, uValue)); if (idxQuery == VBOX_VBVA_CONF32_MONITOR_COUNT) { /* do nothing. this is a const. */ } else if (idxQuery == VBOX_VBVA_CONF32_HOST_HEAP_SIZE) { /* do nothing. this is a const. */ } else ASSERT_GUEST_MSG_FAILED_RETURN(("Invalid index %#x (value=%u)\n", idxQuery, uValue), VERR_INVALID_PARAMETER); RT_NOREF_PV(uValue); return VINF_SUCCESS; } static int vbvaHandleInfoHeap(PVGASTATECC pThisCC, const VBVAINFOHEAP RT_UNTRUSTED_VOLATILE_GUEST *pInfoHeap) { uint32_t const offHeap = pInfoHeap->u32HeapOffset; uint32_t const cbHeap = pInfoHeap->u32HeapSize; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n", offHeap, cbHeap)); return HGSMIHostHeapSetup(pThisCC->pHGSMI, offHeap, cbHeap); } static int vbvaInfoView(PVGASTATE pThis, PVGASTATER3 pThisCC, const VBVAINFOVIEW RT_UNTRUSTED_VOLATILE_GUEST *pView) { VBVAINFOVIEW view; RT_COPY_VOLATILE(view, *pView); RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogFlowFunc(("VBVA_INFO_VIEW: u32ViewIndex %d, u32ViewOffset 0x%x, u32ViewSize 0x%x, u32MaxScreenSize 0x%x\n", view.u32ViewIndex, view.u32ViewOffset, view.u32ViewSize, view.u32MaxScreenSize)); VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); ASSERT_GUEST_LOGREL_MSG_RETURN( view.u32ViewIndex < pCtx->cViews && view.u32ViewOffset <= pThis->vram_size && view.u32ViewSize <= pThis->vram_size && view.u32ViewOffset <= pThis->vram_size - view.u32ViewSize && view.u32MaxScreenSize <= view.u32ViewSize, ("index %d(%d), offset 0x%x, size 0x%x, max 0x%x, vram size 0x%x\n", view.u32ViewIndex, pCtx->cViews, view.u32ViewOffset, view.u32ViewSize, view.u32MaxScreenSize, pThis->vram_size), VERR_INVALID_PARAMETER); RT_UNTRUSTED_VALIDATED_FENCE(); pCtx->aViews[view.u32ViewIndex].view = view; return VINF_SUCCESS; } static int vbvaInfoScreen(PVGASTATECC pThisCC, const VBVAINFOSCREEN RT_UNTRUSTED_VOLATILE_GUEST *pScreen) { /* * Copy input into non-volatile buffer. */ VBVAINFOSCREEN screen; RT_COPY_VOLATILE(screen, *pScreen); RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogRel2(("VBVA: InfoScreen: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n", screen.u32ViewIndex, screen.i32OriginX, screen.i32OriginY, screen.u32Width, screen.u32Height, screen.u32LineSize, screen.u16BitsPerPixel, screen.u16Flags)); /* * Validate input. */ /* Allow screen.u16BitsPerPixel == 0 because legacy guest code used it for screen blanking. */ VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); ASSERT_GUEST_LOGREL_MSG_RETURN(screen.u32ViewIndex < pCtx->cViews, ("Screen index %#x is out of bound (cViews=%#x)\n", screen.u32ViewIndex, pCtx->cViews), VERR_INVALID_PARAMETER); ASSERT_GUEST_LOGREL_MSG_RETURN( screen.u16BitsPerPixel <= 32 && screen.u32Width <= UINT16_MAX && screen.u32Height <= UINT16_MAX && screen.u32LineSize <= UINT16_MAX * UINT32_C(4), ("One or more values out of range: u16BitsPerPixel=%#x u32Width=%#x u32Height=%#x u32LineSize=%#x\n", screen.u16BitsPerPixel, screen.u32Width, screen.u32Height, screen.u32LineSize), VERR_INVALID_PARAMETER); RT_UNTRUSTED_VALIDATED_FENCE(); const VBVAINFOVIEW *pView = &pCtx->aViews[screen.u32ViewIndex].view; const uint32_t cbPerPixel = (screen.u16BitsPerPixel + 7) / 8; ASSERT_GUEST_LOGREL_MSG_RETURN(screen.u32Width <= screen.u32LineSize / (cbPerPixel ? cbPerPixel : 1), ("u32Width=%#x u32LineSize=%3x cbPerPixel=%#x\n", screen.u32Width, screen.u32LineSize, cbPerPixel), VERR_INVALID_PARAMETER); const uint64_t u64ScreenSize = (uint64_t)screen.u32LineSize * screen.u32Height; ASSERT_GUEST_LOGREL_MSG_RETURN( screen.u32StartOffset <= pView->u32ViewSize && u64ScreenSize <= pView->u32MaxScreenSize && screen.u32StartOffset <= pView->u32ViewSize - (uint32_t)u64ScreenSize, ("u32StartOffset=%#x u32ViewSize=%#x u64ScreenSize=%#RX64 u32MaxScreenSize=%#x\n", screen.u32StartOffset, pView->u32ViewSize, u64ScreenSize, pView->u32MaxScreenSize), VERR_INVALID_PARAMETER); RT_UNTRUSTED_VALIDATED_FENCE(); /* * Do the job. */ vbvaResize(pThisCC, &pCtx->aViews[screen.u32ViewIndex], &screen, true); return VINF_SUCCESS; } #ifdef UNUSED_FUNCTION int VBVAGetInfoViewAndScreen(PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t u32ViewIndex, VBVAINFOVIEW *pView, VBVAINFOSCREEN *pScreen) { if (u32ViewIndex >= pThis->cMonitors) return VERR_INVALID_PARAMETER; PHGSMIINSTANCE pIns = pThisCC->pHGSMI; VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns); if (pView) *pView = pCtx->aViews[u32ViewIndex].view; if (pScreen) *pScreen = pCtx->aViews[u32ViewIndex].screen; return VINF_SUCCESS; } #endif static int vbvaHandleEnable(PVGASTATE pThis, PVGASTATER3 pThisCC, uint32_t fEnableFlags, uint32_t offEnable, uint32_t idScreen) { LogFlowFunc(("VBVA_ENABLE[%u]: fEnableFlags=0x%x offEnable=%#x\n", idScreen, fEnableFlags, offEnable)); PHGSMIINSTANCE pIns = pThisCC->pHGSMI; VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pIns); /* * Validate input. */ ASSERT_GUEST_LOGREL_MSG_RETURN(idScreen < pCtx->cViews, ("idScreen=%#x cViews=%#x\n", idScreen, pCtx->cViews), VERR_INVALID_PARAMETER); ASSERT_GUEST_LOGREL_MSG_RETURN( (fEnableFlags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE || (fEnableFlags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE, ("fEnableFlags=%#x\n", fEnableFlags), VERR_INVALID_PARAMETER); if (fEnableFlags & VBVA_F_ENABLE) { ASSERT_GUEST_LOGREL_MSG_RETURN(offEnable < pThis->vram_size, ("offEnable=%#x vram_size=%#x\n", offEnable, pThis->vram_size), VERR_INVALID_PARAMETER); if (fEnableFlags & VBVA_F_ABSOFFSET) /* Offset from VRAM start. */ ASSERT_GUEST_LOGREL_MSG_RETURN( pThis->vram_size >= RT_UOFFSETOF(VBVABUFFER, au8Data) && offEnable <= pThis->vram_size - RT_UOFFSETOF(VBVABUFFER, au8Data), ("offEnable=%#x vram_size=%#x\n", offEnable, pThis->vram_size), VERR_INVALID_PARAMETER); else { /* Offset from the view start. We'd be using idScreen here to fence required. */ RT_UNTRUSTED_VALIDATED_FENCE(); const VBVAINFOVIEW *pView = &pCtx->aViews[idScreen].view; ASSERT_GUEST_LOGREL_MSG_RETURN( pThis->vram_size - offEnable >= pView->u32ViewOffset && pView->u32ViewSize >= RT_UOFFSETOF(VBVABUFFER, au8Data) && offEnable <= pView->u32ViewSize - RT_UOFFSETOF(VBVABUFFER, au8Data), ("offEnable=%#x vram_size=%#x view: %#x LB %#x\n", offEnable, pThis->vram_size, pView->u32ViewOffset, pView->u32ViewSize), VERR_INVALID_PARAMETER); offEnable += pView->u32ViewOffset; } ASSERT_GUEST_LOGREL_MSG_RETURN(HGSMIIsOffsetValid(pIns, offEnable), ("offEnable=%#x area %#x LB %#x\n", offEnable, HGSMIGetAreaOffset(pIns), HGSMIGetAreaSize(pIns)), VERR_INVALID_PARAMETER); } RT_UNTRUSTED_VALIDATED_FENCE(); /* * Execute. */ int rc = VINF_SUCCESS; if (fEnableFlags & VBVA_F_ENABLE) { VBVABUFFER RT_UNTRUSTED_VOLATILE_GUEST *pVBVA = (VBVABUFFER RT_UNTRUSTED_VOLATILE_GUEST *)HGSMIOffsetToPointerHost(pIns, offEnable); ASSERT_GUEST_LOGREL_RETURN(pVBVA, VERR_INVALID_PARAMETER); /* already check above, but let's be careful. */ /* Process any pending orders and empty the VBVA ring buffer. */ vbvaFlush(pThis, pThisCC, pCtx); rc = vbvaEnable(pThis, pThisCC, pCtx, idScreen, pVBVA, offEnable, false /* fRestored */); if (RT_FAILURE(rc)) LogRelMax(8, ("VBVA: can not enable: %Rrc\n", rc)); } else rc = vbvaDisable(pThis, pThisCC, pCtx, idScreen); return rc; } static int vbvaHandleQueryModeHints(PVGASTATECC pThisCC, VBVAQUERYMODEHINTS volatile *pQueryModeHints, HGSMISIZE cbBuffer) { PHGSMIINSTANCE pIns = pThisCC->pHGSMI; VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pIns); /* * Copy and validate the request. */ uint16_t const cHintsQueried = pQueryModeHints->cHintsQueried; uint16_t const cbHintStructureGuest = pQueryModeHints->cbHintStructureGuest; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogRelFlowFunc(("VBVA: HandleQueryModeHints: cHintsQueried=%RU16, cbHintStructureGuest=%RU16\n", cHintsQueried, cbHintStructureGuest)); ASSERT_GUEST_RETURN(cbBuffer >= sizeof(VBVAQUERYMODEHINTS) + (uint32_t)cHintsQueried * cbHintStructureGuest, VERR_INVALID_PARAMETER); RT_UNTRUSTED_VALIDATED_FENCE(); /* * Produce the requested data. */ uint8_t *pbHint = (uint8_t *)(pQueryModeHints + 1); memset(pbHint, ~0, cbBuffer - sizeof(VBVAQUERYMODEHINTS)); for (unsigned iHint = 0; iHint < cHintsQueried && iHint < VBOX_VIDEO_MAX_SCREENS; ++iHint) { memcpy(pbHint, &pCtx->aModeHints[iHint], RT_MIN(cbHintStructureGuest, sizeof(VBVAMODEHINT))); pbHint += cbHintStructureGuest; Assert((uintptr_t)(pbHint - (uint8_t *)pQueryModeHints) <= cbBuffer); } return VINF_SUCCESS; } /* * * New VBVA uses a new interface id: #define VBE_DISPI_ID_VBOX_VIDEO 0xBE01 * * VBVA uses two 32 bits IO ports to write VRAM offsets of shared memory blocks for commands. * Read Write * Host port 0x3b0 to process completed * Guest port 0x3d0 control value? to process * */ static DECLCALLBACK(void) vbvaNotifyGuest(void *pvCallback) { #if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOX_WITH_VDMA) || defined(VBOX_WITH_WDDM)) PPDMDEVINS pDevIns = (PPDMDEVINS)pvCallback; PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); VBVARaiseIrq(pDevIns, pThis, pThisCC, 0); #else NOREF(pvCallback); /* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */ #endif } /** * The guest submitted a command buffer (hit VGA_PORT_HGSMI_GUEST). * * Verify the buffer size and invoke corresponding handler. * * @return VBox status code. * @param pvHandler The VBVA channel context. * @param u16ChannelInfo Command code. * @param pvBuffer HGSMI buffer with command data. Considered volatile! * @param cbBuffer Size of command data. * * @thread EMT */ static DECLCALLBACK(int) vbvaChannelHandler(void *pvHandler, uint16_t u16ChannelInfo, void RT_UNTRUSTED_VOLATILE_GUEST *pvBuffer, HGSMISIZE cbBuffer) { int rc = VINF_SUCCESS; LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n", pvHandler, u16ChannelInfo, pvBuffer, cbBuffer)); PPDMDEVINS pDevIns = (PPDMDEVINS)pvHandler; PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); PHGSMIINSTANCE pIns = pThisCC->pHGSMI; VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pIns); switch (u16ChannelInfo) { #ifdef VBOX_WITH_VDMA case VBVA_VDMA_CMD: if (cbBuffer >= VBoxSHGSMIBufferHeaderSize() + sizeof(VBOXVDMACBUF_DR)) { VBOXVDMACBUF_DR RT_UNTRUSTED_VOLATILE_GUEST *pCmd = (VBOXVDMACBUF_DR RT_UNTRUSTED_VOLATILE_GUEST *)VBoxSHGSMIBufferData((VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer); vboxVDMACommand(pThisCC->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize()); rc = VINF_SUCCESS; } else rc = VERR_INVALID_PARAMETER; break; case VBVA_VDMA_CTL: if (cbBuffer >= VBoxSHGSMIBufferHeaderSize() + sizeof(VBOXVDMA_CTL)) { VBOXVDMA_CTL RT_UNTRUSTED_VOLATILE_GUEST *pCmd = (VBOXVDMA_CTL RT_UNTRUSTED_VOLATILE_GUEST *)VBoxSHGSMIBufferData((VBOXSHGSMIHEADER RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer); vboxVDMAControl(pThisCC->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize()); } else rc = VERR_INVALID_PARAMETER; break; #endif /* VBOX_WITH_VDMA */ case VBVA_QUERY_CONF32: if (cbBuffer >= sizeof(VBVACONF32)) rc = vbvaHandleQueryConf32(pThisCC, (VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer); else rc = VERR_INVALID_PARAMETER; break; case VBVA_SET_CONF32: if (cbBuffer >= sizeof(VBVACONF32)) rc = vbvaHandleSetConf32((VBVACONF32 RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer); else rc = VERR_INVALID_PARAMETER; break; case VBVA_INFO_VIEW: /* Expect at least one VBVAINFOVIEW structure. */ rc = VERR_INVALID_PARAMETER; if (cbBuffer >= sizeof(VBVAINFOVIEW)) { /* Guest submits an array of VBVAINFOVIEW structures. */ const VBVAINFOVIEW RT_UNTRUSTED_VOLATILE_GUEST *pView = (VBVAINFOVIEW RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; for (; cbBuffer >= sizeof(VBVAINFOVIEW); ++pView, cbBuffer -= sizeof(VBVAINFOVIEW)) { rc = vbvaInfoView(pThis, pThisCC, pView); if (RT_FAILURE(rc)) break; } } break; case VBVA_INFO_HEAP: if (cbBuffer >= sizeof(VBVAINFOHEAP)) rc = vbvaHandleInfoHeap(pThisCC, (VBVAINFOHEAP RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer); else rc = VERR_INVALID_PARAMETER; break; case VBVA_FLUSH: if (cbBuffer >= sizeof(VBVAFLUSH)) rc = vbvaFlush(pThis, pThisCC, pCtx); else rc = VERR_INVALID_PARAMETER; break; case VBVA_INFO_SCREEN: rc = VERR_INVALID_PARAMETER; if (cbBuffer >= sizeof(VBVAINFOSCREEN)) rc = vbvaInfoScreen(pThisCC, (VBVAINFOSCREEN RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer); break; case VBVA_ENABLE: rc = VERR_INVALID_PARAMETER; if (cbBuffer >= sizeof(VBVAENABLE)) { VBVAENABLE RT_UNTRUSTED_VOLATILE_GUEST *pVbvaEnable = (VBVAENABLE RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; uint32_t const fEnableFlags = pVbvaEnable->u32Flags; uint32_t const offEnable = pVbvaEnable->u32Offset; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); uint32_t idScreen; if (fEnableFlags & VBVA_F_EXTENDED) { ASSERT_GUEST_STMT_BREAK(cbBuffer >= sizeof(VBVAENABLE_EX), rc = VERR_INVALID_PARAMETER); idScreen = ((VBVAENABLE_EX RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer)->u32ScreenId; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); } else idScreen = vbvaViewFromBufferPtr(pIns, pCtx, pvBuffer); rc = vbvaHandleEnable(pThis, pThisCC, fEnableFlags, offEnable, idScreen); pVbvaEnable->i32Result = rc; } break; case VBVA_MOUSE_POINTER_SHAPE: if (cbBuffer >= sizeof(VBVAMOUSEPOINTERSHAPE)) { VBVAMOUSEPOINTERSHAPE RT_UNTRUSTED_VOLATILE_GUEST *pShape = (VBVAMOUSEPOINTERSHAPE RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; rc = vbvaMousePointerShape(pThisCC, pCtx, pShape, cbBuffer); pShape->i32Result = rc; } else rc = VERR_INVALID_PARAMETER; break; #ifdef VBOX_WITH_VIDEOHWACCEL case VBVA_VHWA_CMD: if (cbBuffer >= VBOXVHWACMD_HEADSIZE()) { vbvaVHWAHandleCommand(pDevIns, pThis, pThisCC, (VBOXVHWACMD RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer); rc = VINF_SUCCESS; } else rc = VERR_INVALID_PARAMETER; break; #endif #ifdef VBOX_WITH_WDDM case VBVA_INFO_CAPS: if (cbBuffer >= sizeof(VBVACAPS)) { VBVACAPS RT_UNTRUSTED_VOLATILE_GUEST *pCaps = (VBVACAPS RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; pThis->fGuestCaps = pCaps->fCaps; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); pThisCC->pDrv->pfnVBVAGuestCapabilityUpdate(pThisCC->pDrv, pThis->fGuestCaps); pCaps->rc = rc = VINF_SUCCESS; } else rc = VERR_INVALID_PARAMETER; break; #endif case VBVA_SCANLINE_CFG: if (cbBuffer >= sizeof(VBVASCANLINECFG)) { VBVASCANLINECFG RT_UNTRUSTED_VOLATILE_GUEST *pCfg = (VBVASCANLINECFG RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; pThis->fScanLineCfg = pCfg->fFlags; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); pCfg->rc = rc = VINF_SUCCESS; } else rc = VERR_INVALID_PARAMETER; break; case VBVA_QUERY_MODE_HINTS: if (cbBuffer >= sizeof(VBVAQUERYMODEHINTS)) { VBVAQUERYMODEHINTS RT_UNTRUSTED_VOLATILE_GUEST *pQueryModeHints = (VBVAQUERYMODEHINTS RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; rc = vbvaHandleQueryModeHints(pThisCC, pQueryModeHints, cbBuffer); pQueryModeHints->rc = rc; } else rc = VERR_INVALID_PARAMETER; break; case VBVA_REPORT_INPUT_MAPPING: if (cbBuffer >= sizeof(VBVAREPORTINPUTMAPPING)) { VBVAREPORTINPUTMAPPING inputMapping; { VBVAREPORTINPUTMAPPING RT_UNTRUSTED_VOLATILE_GUEST *pInputMapping = (VBVAREPORTINPUTMAPPING RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; inputMapping.x = pInputMapping->x; inputMapping.y = pInputMapping->y; inputMapping.cx = pInputMapping->cx; inputMapping.cy = pInputMapping->cy; } RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogRelFlowFunc(("VBVA: ChannelHandler: VBVA_REPORT_INPUT_MAPPING: x=%RI32, y=%RI32, cx=%RU32, cy=%RU32\n", inputMapping.x, inputMapping.y, inputMapping.cx, inputMapping.cy)); pThisCC->pDrv->pfnVBVAInputMappingUpdate(pThisCC->pDrv, inputMapping.x, inputMapping.y, inputMapping.cx, inputMapping.cy); rc = VINF_SUCCESS; } else rc = VERR_INVALID_PARAMETER; break; case VBVA_CURSOR_POSITION: if (cbBuffer >= sizeof(VBVACURSORPOSITION)) { VBVACURSORPOSITION RT_UNTRUSTED_VOLATILE_GUEST *pReport = (VBVACURSORPOSITION RT_UNTRUSTED_VOLATILE_GUEST *)pvBuffer; VBVACURSORPOSITION Report; Report.fReportPosition = pReport->fReportPosition; Report.x = pReport->x; Report.y = pReport->y; RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); LogRelFlowFunc(("VBVA: ChannelHandler: VBVA_CURSOR_POSITION: fReportPosition=%RTbool, Id=%RU32, x=%RU32, y=%RU32\n", RT_BOOL(Report.fReportPosition), vbvaViewFromBufferPtr(pIns, pCtx, pvBuffer), Report.x, Report.y)); pThisCC->pDrv->pfnVBVAReportCursorPosition(pThisCC->pDrv, RT_BOOL(Report.fReportPosition), vbvaViewFromBufferPtr(pIns, pCtx, pvBuffer), Report.x, Report.y); /* This was only ever briefly used by the guest, and a value * of zero in both was taken to mean "ignore". */ pReport->x = 0; pReport->y = 0; rc = VINF_SUCCESS; } else rc = VERR_INVALID_PARAMETER; break; default: Log(("Unsupported VBVA guest command %d (%#x)!!!\n", u16ChannelInfo, u16ChannelInfo)); break; } return rc; } /** When VBVA is paused, the VGA device is allowed to work but * no HGSMI etc state is changed. */ static void vbvaPause(PVGASTATECC pThisCC, bool fPause) { if (!pThisCC || !pThisCC->pHGSMI) return; VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); if (pCtx) pCtx->fPaused = fPause; } bool VBVAIsPaused(PVGASTATECC pThisCC) { if (pThisCC && pThisCC->pHGSMI) { const VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); if (pCtx && pCtx->cViews) { /* If VBVA is enabled at all. */ const VBVAVIEW *pView = &pCtx->aViews[0]; if (pView->vbva.guest.pVBVA) return pCtx->fPaused; } } /* VBVA is disabled. */ return true; } void VBVAOnVBEChanged(PVGASTATE pThis, PVGASTATECC pThisCC) { /* The guest does not depend on host handling the VBE registers. */ if (pThis->fGuestCaps & VBVACAPS_USE_VBVA_ONLY) return; vbvaPause(pThisCC, (pThis->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) == 0); } void VBVAReset(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) { if (!pThis || !pThisCC->pHGSMI) return; VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); #ifdef VBOX_WITH_VIDEOHWACCEL vbvaVHWAReset(pDevIns, pThis, pThisCC); #endif HGSMIReset(pThisCC->pHGSMI); /* Make sure the IRQ is reset. */ PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_LOW); pThis->fu32PendingGuestFlags = 0; if (pCtx) { vbvaFlush(pThis, pThisCC, pCtx); for (unsigned idScreen = 0; idScreen < pCtx->cViews; idScreen++) vbvaDisable(pThis, pThisCC, pCtx, idScreen); pCtx->mouseShapeInfo.fSet = false; RTMemFreeZ(pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbAllocated); pCtx->mouseShapeInfo.pu8Shape = NULL; pCtx->mouseShapeInfo.cbAllocated = 0; pCtx->mouseShapeInfo.cbShape = 0; } } int VBVAUpdateDisplay(PVGASTATE pThis, PVGASTATECC pThisCC) { int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */ VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); if (pCtx) { if (!pCtx->fPaused) { rc = vbvaFlush(pThis, pThisCC, pCtx); if (RT_SUCCESS(rc)) { if (!pCtx->aViews[0].vbva.guest.pVBVA) { /* VBVA is not enabled for the first view, so VGA device must do updates. */ rc = VERR_NOT_SUPPORTED; } } } } return rc; } static int vbvaSendModeHintWorker(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t cx, uint32_t cy, uint32_t cBPP, uint32_t iDisplay, uint32_t dx, uint32_t dy, uint32_t fEnabled, uint32_t fNotifyGuest) { VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); /** @note See Display::setVideoModeHint: "It is up to the guest to decide * whether the hint is valid. Therefore don't do any VRAM sanity checks * here! */ if (iDisplay >= RT_MIN(pThis->cMonitors, RT_ELEMENTS(pCtx->aModeHints))) return VERR_OUT_OF_RANGE; pCtx->aModeHints[iDisplay].magic = VBVAMODEHINT_MAGIC; pCtx->aModeHints[iDisplay].cx = cx; pCtx->aModeHints[iDisplay].cy = cy; pCtx->aModeHints[iDisplay].cBPP = cBPP; pCtx->aModeHints[iDisplay].dx = dx; pCtx->aModeHints[iDisplay].dy = dy; pCtx->aModeHints[iDisplay].fEnabled = fEnabled; if (fNotifyGuest && pThis->fGuestCaps & VBVACAPS_IRQ && pThis->fGuestCaps & VBVACAPS_VIDEO_MODE_HINTS) VBVARaiseIrq(pDevIns, pThis, pThisCC, HGSMIHOSTFLAGS_HOTPLUG); return VINF_SUCCESS; } /** * @interface_method_impl{PDMIDISPLAYPORT,pfnSendModeHint} */ DECLCALLBACK(int) vbvaR3PortSendModeHint(PPDMIDISPLAYPORT pInterface, uint32_t cx, uint32_t cy, uint32_t cBPP, uint32_t iDisplay, uint32_t dx, uint32_t dy, uint32_t fEnabled, uint32_t fNotifyGuest) { PVGASTATECC pThisCC = RT_FROM_MEMBER(pInterface, VGASTATECC, IPort); PPDMDEVINS pDevIns = pThisCC->pDevIns; PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); int rc = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_SEM_BUSY); AssertRCReturn(rc, rc); rc = vbvaSendModeHintWorker(pDevIns, pThis, pThisCC, cx, cy, cBPP, iDisplay, dx, dy, fEnabled, fNotifyGuest); PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); return rc; } int VBVAInit(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) { int rc = HGSMICreate(&pThisCC->pHGSMI, pDevIns, "VBVA", 0, pThisCC->pbVRam, pThis->vram_size, vbvaNotifyGuest, pDevIns, sizeof(VBVACONTEXT)); if (RT_SUCCESS(rc)) { rc = HGSMIHostChannelRegister(pThisCC->pHGSMI, HGSMI_CH_VBVA, vbvaChannelHandler, pDevIns); if (RT_SUCCESS(rc)) { VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThisCC->pHGSMI); pCtx->cViews = pThis->cMonitors; pCtx->fPaused = true; memset(pCtx->aModeHints, ~0, sizeof(pCtx->aModeHints)); } } return rc; } void VBVADestroy(PVGASTATECC pThisCC) { PHGSMIINSTANCE pHgsmi = pThisCC->pHGSMI; if (pHgsmi) { VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pHgsmi); pCtx->mouseShapeInfo.fSet = false; RTMemFreeZ(pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbAllocated); pCtx->mouseShapeInfo.pu8Shape = NULL; pCtx->mouseShapeInfo.cbAllocated = 0; pCtx->mouseShapeInfo.cbShape = 0; HGSMIDestroy(pHgsmi); pThisCC->pHGSMI = NULL; } }