/* $Id: DevVGA_VBVA.cpp 48070 2013-08-26 18:13:22Z vboxsync $ */ /** @file * VirtualBox Video Acceleration (VBVA). */ /* * Copyright (C) 2006-2013 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 #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 VBVAVIEW { VBVAINFOVIEW view; VBVAINFOSCREEN screen; VBVABUFFER *pVBVA; uint32_t u32VBVAOffset; VBVAPARTIALRECORD partialRecord; } 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[64 /* @todo SchemaDefs::MaxGuestMonitors*/]; VBVAMOUSESHAPEINFO mouseShapeInfo; } VBVACONTEXT; /** Copies @a cb bytes from the VBVA ring buffer to the @a pu8Dst. * Used for partial records or for records which cross the ring boundary. */ static void vbvaFetchBytes (VBVABUFFER *pVBVA, uint8_t *pu8Dst, uint32_t cb) { /** @todo replace the 'if' with an assert. The caller must ensure this condition. */ if (cb >= pVBVA->cbData) { AssertMsgFailed (("cb = 0x%08X, ring buffer size 0x%08X", cb, pVBVA->cbData)); return; } const uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data; const uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data]; const int32_t i32Diff = cb - u32BytesTillBoundary; if (i32Diff <= 0) { /* Chunk will not cross buffer boundary. */ memcpy (pu8Dst, src, cb); } else { /* Chunk crosses buffer boundary. */ memcpy (pu8Dst, src, u32BytesTillBoundary); memcpy (pu8Dst + u32BytesTillBoundary, &pVBVA->au8Data[0], i32Diff); } /* Advance data offset. */ pVBVA->off32Data = (pVBVA->off32Data + cb) % pVBVA->cbData; return; } static bool vbvaPartialRead (VBVAPARTIALRECORD *pPartialRecord, uint32_t cbRecord, VBVABUFFER *pVBVA) { uint8_t *pu8New; LOGVBVABUFFER(("vbvaPartialRead: p = %p, cb = %d, cbRecord 0x%08X\n", pPartialRecord->pu8, pPartialRecord->cb, cbRecord)); 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)); if (pPartialRecord->pu8) { RTMemFree (pPartialRecord->pu8); } pPartialRecord->pu8 = NULL; pPartialRecord->cb = 0; return false; } /* Fetch data from the ring buffer. */ vbvaFetchBytes (pVBVA, pu8New + pPartialRecord->cb, cbRecord - pPartialRecord->cb); 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 (VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA, VBVACMDHDR **ppHdr, uint32_t *pcbCmd) { uint32_t indexRecordFirst = pVBVA->indexRecordFirst; uint32_t indexRecordFree = pVBVA->indexRecordFree; LOGVBVABUFFER(("first = %d, free = %d\n", indexRecordFirst, indexRecordFree)); if (indexRecordFirst == indexRecordFree) { /* No records to process. Return without assigning output variables. */ return true; } uint32_t cbRecordCurrent = ASMAtomicReadU32(&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 (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 (pPartialRecord, cbRecord, pVBVA)) { 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. */ pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords); LOGVBVABUFFER(("partial done ok, data = %d, free = %d\n", pVBVA->off32Data, 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 >= pVBVA->cbData - pVBVA->cbPartialWriteThreshold) { /* Partial read must be started. */ if (!vbvaPartialRead (pPartialRecord, cbRecord, pVBVA)) { 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) { /* The size of largest contiguous chunk in the ring biffer. */ uint32_t u32BytesTillBoundary = pVBVA->cbData - pVBVA->off32Data; /* The pointer to data in the ring buffer. */ uint8_t *src = &pVBVA->au8Data[pVBVA->off32Data]; /* Fetch or point the data. */ if (u32BytesTillBoundary >= cbRecord) { /* The command does not cross buffer boundary. Return address in the buffer. */ *ppHdr = (VBVACMDHDR *)src; /* Advance data offset. */ pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData; } else { /* The command crosses buffer boundary. Rare case, so not optimized. */ uint8_t *dst = (uint8_t *)RTMemAlloc (cbRecord); if (!dst) { LogFlowFunc (("could not allocate %d bytes from heap!!!\n", cbRecord)); pVBVA->off32Data = (pVBVA->off32Data + cbRecord) % pVBVA->cbData; return false; } vbvaFetchBytes (pVBVA, dst, cbRecord); *ppHdr = (VBVACMDHDR *)dst; LOGVBVABUFFER(("Allocated from heap %p\n", dst)); } } *pcbCmd = cbRecord; /* Advance the record index. */ pVBVA->indexRecordFirst = (indexRecordFirst + 1) % RT_ELEMENTS(pVBVA->aRecords); LOGVBVABUFFER(("done ok, data = %d, free = %d\n", pVBVA->off32Data, pVBVA->off32Free)); return true; } static void vbvaReleaseCmd (VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA, VBVACMDHDR *pHdr, uint32_t cbCmd) { uint8_t *au8RingBuffer = &pVBVA->au8Data[0]; if ( (uint8_t *)pHdr >= au8RingBuffer && (uint8_t *)pHdr < &au8RingBuffer[pVBVA->cbData]) { /* The pointer is inside ring buffer. Must be continuous chunk. */ Assert (pVBVA->cbData - ((uint8_t *)pHdr - au8RingBuffer) >= cbCmd); /* Do nothing. */ 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 (pHdr); } return; } static int vbvaFlushProcess (unsigned uScreenId, PVGASTATE pVGAState, VBVAPARTIALRECORD *pPartialRecord, VBVABUFFER *pVBVA) { LOGVBVABUFFER(("uScreenId %d, indexRecordFirst = %d, indexRecordFree = %d, off32Data = %d, off32Free = %d\n", uScreenId, pVBVA->indexRecordFirst, pVBVA->indexRecordFree, pVBVA->off32Data, 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 (;;) { VBVACMDHDR *phdr = NULL; uint32_t cbCmd = ~0; /* Fetch the command data. */ if (!vbvaFetchCmd (pPartialRecord, pVBVA, &phdr, &cbCmd)) { LogFunc(("unable to fetch command. off32Data = %d, off32Free = %d!!!\n", pVBVA->off32Data, pVBVA->off32Free)); /* @todo old code disabled VBVA processing here. */ return VERR_NOT_SUPPORTED; } if (cbCmd == uint32_t(~0)) { /* No more commands yet in the queue. */ break; } if (cbCmd != 0) { if (!fUpdate) { pVGAState->pDrv->pfnVBVAUpdateBegin (pVGAState->pDrv, uScreenId); fUpdate = true; } /* Updates the rectangle and sends the command to the VRDP server. */ pVGAState->pDrv->pfnVBVAUpdateProcess (pVGAState->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", __PRETTY_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 (pPartialRecord, pVBVA, phdr, cbCmd); } if (fUpdate) { if (dirtyRect.xRight - dirtyRect.xLeft) { LogRel3(("%s: sending update screen=%d, x=%d, y=%d, w=%d, h=%d\n", __PRETTY_FUNCTION__, uScreenId, dirtyRect.xLeft, dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop)); pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, dirtyRect.xLeft, dirtyRect.yTop, dirtyRect.xRight - dirtyRect.xLeft, dirtyRect.yBottom - dirtyRect.yTop); } else { pVGAState->pDrv->pfnVBVAUpdateEnd (pVGAState->pDrv, uScreenId, 0, 0, 0, 0); } } return VINF_SUCCESS; } static int vbvaFlush (PVGASTATE pVGAState, VBVACONTEXT *pCtx) { unsigned uScreenId; for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++) { VBVAPARTIALRECORD *pPartialRecord = &pCtx->aViews[uScreenId].partialRecord; VBVABUFFER *pVBVA = pCtx->aViews[uScreenId].pVBVA; if (pVBVA) { vbvaFlushProcess (uScreenId, pVGAState, pPartialRecord, pVBVA); } } /* @todo rc */ return VINF_SUCCESS; } static int vbvaResize (PVGASTATE pVGAState, VBVAVIEW *pView, const VBVAINFOSCREEN *pNewScreen) { /* Verify pNewScreen. */ /* @todo */ /* Apply these changes. */ pView->screen = *pNewScreen; uint8_t *pu8VRAM = pVGAState->vram_ptrR3 + pView->view.u32ViewOffset; int rc = pVGAState->pDrv->pfnVBVAResize (pVGAState->pDrv, &pView->view, &pView->screen, pu8VRAM); /* @todo process VINF_VGA_RESIZE_IN_PROGRESS? */ return rc; } static int vbvaEnable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx, VBVABUFFER *pVBVA, uint32_t u32Offset, bool fRestored) { /* @todo old code did a UpdateDisplayAll at this place. */ int rc; if (pVGAState->pDrv->pfnVBVAEnable) { pVBVA->hostFlags.u32HostEvents = 0; pVBVA->hostFlags.u32SupportedOrders = 0; rc = pVGAState->pDrv->pfnVBVAEnable (pVGAState->pDrv, uScreenId, &pVBVA->hostFlags); } else { rc = VERR_NOT_SUPPORTED; } 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)); 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. */ pCtx->aViews[uScreenId].partialRecord.pu8 = NULL; pCtx->aViews[uScreenId].partialRecord.cb = 0; } pCtx->aViews[uScreenId].pVBVA = pVBVA; pCtx->aViews[uScreenId].u32VBVAOffset = u32Offset; } return rc; } static int vbvaDisable (unsigned uScreenId, PVGASTATE pVGAState, VBVACONTEXT *pCtx) { /* Process any pending orders and empty the VBVA ring buffer. */ vbvaFlush (pVGAState, pCtx); VBVAVIEW *pView = &pCtx->aViews[uScreenId]; if (pView->pVBVA) { pView->pVBVA->hostFlags.u32HostEvents = 0; pView->pVBVA->hostFlags.u32SupportedOrders = 0; pView->partialRecord.pu8 = NULL; pView->partialRecord.cb = 0; pView->pVBVA = NULL; pView->u32VBVAOffset = HGSMIOFFSET_VOID; } pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId); return VINF_SUCCESS; } bool VBVAIsEnabled(PVGASTATE pVGAState) { PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI; if (pHGSMI) { VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pHGSMI); if (pCtx) { if (pCtx->cViews) { VBVAVIEW * pView = &pCtx->aViews[0]; if (pView->pVBVA) return true; } } } return false; } #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(PVGASTATE pVGAState, VBVAMOUSESHAPEINFO *pMouseShapeInfo, bool fShape, const uint8_t *pu8Shape) { int rc; LogFlowFunc(("pVGAState %p, pMouseShapeInfo %p, fShape %d, pu8Shape %p\n", pVGAState, pMouseShapeInfo, fShape, pu8Shape)); #ifdef DEBUG_sunlover dumpMouseShapeInfo(pMouseShapeInfo); #endif if (fShape && pu8Shape != NULL) { rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv, pMouseShapeInfo->fVisible, pMouseShapeInfo->fAlpha, pMouseShapeInfo->u32HotX, pMouseShapeInfo->u32HotY, pMouseShapeInfo->u32Width, pMouseShapeInfo->u32Height, pu8Shape); } else { rc = pVGAState->pDrv->pfnVBVAMousePointerShape (pVGAState->pDrv, pMouseShapeInfo->fVisible, false, 0, 0, 0, 0, NULL); } return rc; } static int vbvaMousePointerShape (PVGASTATE pVGAState, VBVACONTEXT *pCtx, const VBVAMOUSEPOINTERSHAPE *pShape, HGSMISIZE cbShape) { bool fVisible = (pShape->fu32Flags & VBOX_MOUSE_POINTER_VISIBLE) != 0; bool fAlpha = (pShape->fu32Flags & VBOX_MOUSE_POINTER_ALPHA) != 0; bool fShape = (pShape->fu32Flags & VBOX_MOUSE_POINTER_SHAPE) != 0; HGSMISIZE cbPointerData = 0; if (fShape) { cbPointerData = ((((pShape->u32Width + 7) / 8) * pShape->u32Height + 3) & ~3) + pShape->u32Width * 4 * pShape->u32Height; } if (cbPointerData > cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data)) { Log(("vbvaMousePointerShape: calculated pointer data size is too big (%d bytes, limit %d)\n", cbPointerData, cbShape - RT_OFFSETOF(VBVAMOUSEPOINTERSHAPE, au8Data))); return VERR_INVALID_PARAMETER; } /* Save mouse info it will be used to restore mouse pointer after restoring saved state. */ pCtx->mouseShapeInfo.fSet = true; pCtx->mouseShapeInfo.fVisible = fVisible; pCtx->mouseShapeInfo.fAlpha = fAlpha; if (fShape) { /* Data related to shape. */ pCtx->mouseShapeInfo.u32HotX = pShape->u32HotX; pCtx->mouseShapeInfo.u32HotY = pShape->u32HotY; pCtx->mouseShapeInfo.u32Width = pShape->u32Width; pCtx->mouseShapeInfo.u32Height = pShape->u32Height; /* Reallocate memory buffer if necessary. */ if (cbPointerData > pCtx->mouseShapeInfo.cbAllocated) { RTMemFree (pCtx->mouseShapeInfo.pu8Shape); 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) { memcpy (pCtx->mouseShapeInfo.pu8Shape, &pShape->au8Data[0], cbPointerData); pCtx->mouseShapeInfo.cbShape = cbPointerData; } } if (pVGAState->pDrv->pfnVBVAMousePointerShape == NULL) { return VERR_NOT_SUPPORTED; } int rc = vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, fShape, &pShape->au8Data[0]); return rc; } static unsigned vbvaViewFromOffset (PHGSMIINSTANCE pIns, VBVACONTEXT *pCtx, const void *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++) { VBVAINFOVIEW *pView = &pCtx->aViews[uScreenId].view; if ( pView->u32ViewSize > 0 && pView->u32ViewOffset <= offBuffer && offBuffer <= pView->u32ViewOffset + pView->u32ViewSize - 1) { return pView->u32ViewIndex; } } } return ~0U; } #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->u32VBVAOffset, pView->pVBVA)); Log((" PR cb 0x%x p %p\n", pView->partialRecord.cb, pView->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 (PVGASTATE pVGAState, VBOXVHWACMD_TYPE enmCmd, int32_t iDisplay, VBOXVHWACMD_LENGTH cbCmd) { VBOXVHWACMD* pHdr = (VBOXVHWACMD*)RTMemAlloc(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 unsigned vbvaVHWAHandleCommand (PVGASTATE pVGAState, VBVACONTEXT *pCtx, PVBOXVHWACMD pCmd) { if (pVGAState->pDrv->pfnVHWACommandProcess) pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCmd); #ifdef DEBUG_misha else AssertFailed(); #endif return 0; } static DECLCALLBACK(void) vbvaVHWAHHCommandSetEventCallback(void * pContext) { RTSemEventSignal((RTSEMEVENT)pContext); } static int vbvaVHWAHHCommandPost(PVGASTATE pVGAState, 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(pVGAState, NULL, pCmd); if((ASMAtomicReadU32((volatile uint32_t *)&pCmd->Flags) & VBOXVHWACMD_FLAG_HG_ASYNCH) != 0) { rc = RTSemEventWaitNoResume(hComplEvent, RT_INDEFINITE_WAIT); } else { /* the command is completed */ } AssertRC(rc); if(RT_SUCCESS(rc)) { RTSemEventDestroy(hComplEvent); } vbvaVHWAHHCommandRelease(pCmd); } return rc; } int vbvaVHWAConstruct (PVGASTATE pVGAState) { VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, 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(pCmd, VBOXVHWACMD_HH_CONSTRUCT); do { memset(pBody, 0, sizeof(VBOXVHWACMD_HH_CONSTRUCT)); PPDMDEVINS pDevIns = pVGAState->pDevInsR3; PVM pVM = PDMDevHlpGetVM(pDevIns); pBody->pVM = pVM; pBody->pvVRAM = pVGAState->vram_ptrR3; pBody->cbVRAM = pVGAState->vram_size; rc = vbvaVHWAHHCommandPost(pVGAState, 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) { /* @todo: set some flag in pVGAState 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 >= pVGAState->cMonitors) break; vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_CONSTRUCT, (int32_t)iDisplay); } while (true); vbvaVHWAHHCommandRelease(pCmd); return rc; } return VERR_OUT_OF_RESOURCES; } int vbvaVHWAReset (PVGASTATE pVGAState) { /* ensure we have all pending cmds processed and h->g cmds disabled */ VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_RESET, 0, 0); Assert(pCmd); if(pCmd) { int rc = VINF_SUCCESS; uint32_t iDisplay = 0; do { rc =vbvaVHWAHHCommandPost(pVGAState, 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 >= pVGAState->cMonitors) break; vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_RESET, (int32_t)iDisplay); } while (true); vbvaVHWAHHCommandRelease(pCmd); return rc; } return VERR_OUT_OF_RESOURCES; } typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPRECB(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext); typedef FNVBOXVHWAHHCMDPRECB *PFNVBOXVHWAHHCMDPRECB; typedef DECLCALLBACK(bool) FNVBOXVHWAHHCMDPOSTCB(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext); typedef FNVBOXVHWAHHCMDPOSTCB *PFNVBOXVHWAHHCMDPOSTCB; int vbvaVHWAHHPost(PVGASTATE pVGAState, 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(pVGAState, pCmd, iDisplay, pvContext)) { rc = vbvaVHWAHHCommandPost(pVGAState, pCmd); AssertRC(rc); if (pfnPost) { if (!pfnPost(pVGAState, 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 >= pVGAState->cMonitors) break; vbvaVHWAHHCommandReinit(pCmd, enmType, (int32_t)iDisplay); } while (true); return rc; } /* @todo call this also on reset? */ int vbvaVHWAEnable (PVGASTATE pVGAState, bool bEnable) { const VBOXVHWACMD_TYPE enmType = bEnable ? VBOXVHWACMD_TYPE_HH_ENABLE : VBOXVHWACMD_TYPE_HH_DISABLE; VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, enmType, 0, 0); Assert(pCmd); if(pCmd) { int rc = vbvaVHWAHHPost (pVGAState, pCmd, NULL, NULL, NULL); vbvaVHWAHHCommandRelease(pCmd); return rc; } return VERR_OUT_OF_RESOURCES; } int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM) { /* ensure we have no pending commands */ return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), false); } int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM) { /* ensure we have no pending commands */ return vbvaVHWAEnable(PDMINS_2_DATA(pDevIns, PVGASTATE), true); } int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd) { int rc; if((pCmd->Flags & VBOXVHWACMD_FLAG_HH_CMD) == 0) { PVGASTATE pVGAState = PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(pInterface); PHGSMIINSTANCE pIns = pVGAState->pHGSMI; Assert(pCmd->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH); #ifdef VBOX_WITH_WDDM if (pVGAState->fGuestCaps & VBVACAPS_COMPLETEGCMD_BY_IOREAD) { rc = HGSMICompleteGuestCommand(pIns, pCmd, !!(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ)); AssertRC(rc); } else #endif { VBVAHOSTCMD *pHostCmd; int32_t iDisplay = pCmd->iDisplay; if(pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_EVENT) { rc = HGSMIHostCommandAlloc (pIns, (void**)&pHostCmd, VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT)), HGSMI_CH_VBVA, VBVAHG_EVENT); AssertRC(rc); if(RT_SUCCESS(rc)) { memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDEVENT))); pHostCmd->iDstID = pCmd->iDisplay; pHostCmd->customOpCode = 0; VBVAHOSTCMDEVENT *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**)&pHostCmd, VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE)), HGSMI_CH_VBVA, VBVAHG_DISPLAY_CUSTOM); AssertRC(rc); if(RT_SUCCESS(rc)) { memset(pHostCmd, 0 , VBVAHOSTCMD_SIZE(sizeof(VBVAHOSTCMDVHWACMDCOMPLETE))); pHostCmd->iDstID = pCmd->iDisplay; pHostCmd->customOpCode = VBVAHG_DCUSTOM_VHWA_CMDCOMPLETE; VBVAHOSTCMDVHWACMDCOMPLETE *pBody = VBVAHOSTCMD_BODY(pHostCmd, VBVAHOSTCMDVHWACMDCOMPLETE); pBody->offCmd = offCmd; } } else { rc = VERR_INVALID_PARAMETER; } } if(RT_SUCCESS(rc)) { rc = HGSMIHostCommandProcessAndFreeAsynch(pIns, pHostCmd, (pCmd->Flags & VBOXVHWACMD_FLAG_GH_ASYNCH_IRQ) != 0); AssertRC(rc); if(RT_SUCCESS(rc)) { return rc; } HGSMIHostCommandFree (pIns, pHostCmd); } } } else { 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; static DECLCALLBACK(bool) vboxVBVASaveStateBeginPostCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext) { 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; } static DECLCALLBACK(bool) vboxVBVASaveStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext) { 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; if (pData->ab2DOn[iDisplay]) { rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC); AssertRC(rc); if (RT_FAILURE(rc)) { pData->rc = rc; return false; } return true; } rc = SSMR3PutU32 (pData->pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRC(rc); if (RT_FAILURE(rc)) { pData->rc = rc; return false; } return false; } static DECLCALLBACK(bool) vboxVBVASaveStateEndPreCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext) { PVBOXVBVASAVEDSTATECBDATA pData = (PVBOXVBVASAVEDSTATECBDATA)pvContext; Assert(iDisplay < RT_ELEMENTS(pData->ab2DOn)); if (pData->ab2DOn[iDisplay]) { return true; } return false; } static DECLCALLBACK(bool) vboxVBVALoadStatePerformPostCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, int rc, void *pvContext) { 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 (pCmd->rc == VERR_NOT_IMPLEMENTED) { pData->rc = SSMR3SkipToEndOfUnit(pData->pSSM); AssertRC(pData->rc); return false; } if (RT_FAILURE(pCmd->rc)) { pData->rc = pCmd->rc; return false; } return true; } static DECLCALLBACK(bool) vboxVBVALoadStatePerformPreCb(PVGASTATE pVGAState, VBOXVHWACMD *pCmd, uint32_t iDisplay, void *pvContext) { 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; uint32_t u32; rc = SSMR3GetU32(pData->pSSM, &u32); AssertRC(rc); if (RT_FAILURE(rc)) { pData->rc = rc; return false; } switch (u32) { case VBOXVBVASAVEDSTATE_VHWAAVAILABLE_MAGIC: return true; case VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC: return false; default: pData->rc = VERR_INVALID_STATE; return false; } } #endif /* #ifdef VBOX_WITH_VIDEOHWACCEL */ int vboxVBVASaveDevStateExec (PVGASTATE pVGAState, PSSMHANDLE pSSM) { PHGSMIINSTANCE pIns = pVGAState->pHGSMI; int rc = HGSMIHostSaveStateExec (pIns, pSSM); if (RT_SUCCESS(rc)) { /* Save VBVACONTEXT. */ VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns); if (!pCtx) { AssertFailed(); /* Still write a valid value to the SSM. */ rc = SSMR3PutU32 (pSSM, 0); AssertRCReturn(rc, rc); } else { #ifdef DEBUG_sunlover dumpctx(pCtx); #endif rc = SSMR3PutU32 (pSSM, pCtx->cViews); AssertRCReturn(rc, rc); uint32_t iView; for (iView = 0; iView < pCtx->cViews; iView++) { VBVAVIEW *pView = &pCtx->aViews[iView]; rc = SSMR3PutU32 (pSSM, pView->view.u32ViewIndex); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->view.u32ViewOffset); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->view.u32ViewSize); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->view.u32MaxScreenSize); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->screen.u32ViewIndex); AssertRCReturn(rc, rc); rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginX); AssertRCReturn(rc, rc); rc = SSMR3PutS32 (pSSM, pView->screen.i32OriginY); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->screen.u32StartOffset); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->screen.u32LineSize); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->screen.u32Width); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->screen.u32Height); AssertRCReturn(rc, rc); rc = SSMR3PutU16 (pSSM, pView->screen.u16BitsPerPixel); AssertRCReturn(rc, rc); rc = SSMR3PutU16 (pSSM, pView->screen.u16Flags); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->pVBVA? pView->u32VBVAOffset: HGSMIOFFSET_VOID); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pView->partialRecord.cb); AssertRCReturn(rc, rc); if (pView->partialRecord.cb > 0) { rc = SSMR3PutMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb); AssertRCReturn(rc, rc); } } /* Save mouse pointer shape information. */ rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fSet); AssertRCReturn(rc, rc); rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fVisible); AssertRCReturn(rc, rc); rc = SSMR3PutBool (pSSM, pCtx->mouseShapeInfo.fAlpha); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotX); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32HotY); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Width); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.u32Height); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pCtx->mouseShapeInfo.cbShape); AssertRCReturn(rc, rc); if (pCtx->mouseShapeInfo.cbShape) { rc = SSMR3PutMem (pSSM, pCtx->mouseShapeInfo.pu8Shape, pCtx->mouseShapeInfo.cbShape); AssertRCReturn(rc, rc); } #ifdef VBOX_WITH_WDDM /* Size of some additional data. For future extensions. */ rc = SSMR3PutU32 (pSSM, 4); AssertRCReturn(rc, rc); rc = SSMR3PutU32 (pSSM, pVGAState->fGuestCaps); AssertRCReturn(rc, rc); #else /* Size of some additional data. For future extensions. */ rc = SSMR3PutU32 (pSSM, 0); AssertRCReturn(rc, rc); #endif } } return rc; } int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM) { PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE); 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(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEBEGIN, 0, cbCmd); Assert(pCmd); if(pCmd) { vbvaVHWAHHPost (pVGAState, pCmd, NULL, vboxVBVASaveStateBeginPostCb, &VhwaData); rc = VhwaData.rc; AssertRC(rc); if (RT_SUCCESS(rc)) { #endif rc = vboxVBVASaveDevStateExec (pVGAState, 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(pCmd, VBOXVHWACMD_HH_SAVESTATE_SAVEPERFORM); pSave->pSSM = pSSM; vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVASaveStatePerformPreCb, NULL, &VhwaData); rc = VhwaData.rc; AssertRC(rc); if (RT_SUCCESS(rc)) { vbvaVHWAHHCommandReinit(pCmd, VBOXVHWACMD_TYPE_HH_SAVESTATE_SAVEEND, 0); vbvaVHWAHHPost (pVGAState, 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 < pVGAState->cMonitors; ++i) { rc = SSMR3PutU32 (pSSM, VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC); AssertRCReturn(rc, rc); } } #endif return rc; } int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version) { if (u32Version < VGA_SAVEDSTATE_VERSION_HGSMI) { /* Nothing was saved. */ return VINF_SUCCESS; } PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE); PHGSMIINSTANCE pIns = pVGAState->pHGSMI; int rc = HGSMIHostLoadStateExec (pIns, pSSM, u32Version); if (RT_SUCCESS(rc)) { /* Load VBVACONTEXT. */ VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns); if (!pCtx) { /* This should not happen. */ AssertFailed(); rc = VERR_INVALID_PARAMETER; } else { uint32_t cViews = 0; rc = SSMR3GetU32 (pSSM, &cViews); AssertRCReturn(rc, rc); uint32_t iView; for (iView = 0; iView < cViews; iView++) { VBVAVIEW *pView = &pCtx->aViews[iView]; rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewIndex); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewOffset); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->view.u32ViewSize); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->view.u32MaxScreenSize); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->screen.u32ViewIndex); AssertRCReturn(rc, rc); rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginX); AssertRCReturn(rc, rc); rc = SSMR3GetS32 (pSSM, &pView->screen.i32OriginY); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->screen.u32StartOffset); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->screen.u32LineSize); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->screen.u32Width); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->screen.u32Height); AssertRCReturn(rc, rc); rc = SSMR3GetU16 (pSSM, &pView->screen.u16BitsPerPixel); AssertRCReturn(rc, rc); rc = SSMR3GetU16 (pSSM, &pView->screen.u16Flags); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->u32VBVAOffset); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pView->partialRecord.cb); AssertRCReturn(rc, rc); if (pView->partialRecord.cb == 0) { pView->partialRecord.pu8 = NULL; } else { Assert(pView->partialRecord.pu8 == NULL); /* Should be it. */ uint8_t *pu8 = (uint8_t *)RTMemAlloc (pView->partialRecord.cb); if (!pu8) { return VERR_NO_MEMORY; } pView->partialRecord.pu8 = pu8; rc = SSMR3GetMem (pSSM, pView->partialRecord.pu8, pView->partialRecord.cb); AssertRCReturn(rc, rc); } if (pView->u32VBVAOffset == HGSMIOFFSET_VOID) { pView->pVBVA = NULL; } else { pView->pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, pView->u32VBVAOffset); } } if (u32Version > VGA_SAVEDSTATE_VERSION_WITH_CONFIG) { /* Read mouse pointer shape information. */ rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fSet); AssertRCReturn(rc, rc); rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fVisible); AssertRCReturn(rc, rc); rc = SSMR3GetBool (pSSM, &pCtx->mouseShapeInfo.fAlpha); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotX); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32HotY); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Width); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (pSSM, &pCtx->mouseShapeInfo.u32Height); AssertRCReturn(rc, rc); rc = SSMR3GetU32 (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 = SSMR3GetMem (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 = SSMR3GetU32 (pSSM, &cbExtra); AssertRCReturn(rc, rc); #ifdef VBOX_WITH_WDDM if (cbExtra >= 4) { rc = SSMR3GetU32 (pSSM, &pVGAState->fGuestCaps); AssertRCReturn(rc, rc); cbExtra -= 4; } #endif if (cbExtra > 0) { rc = SSMR3Skip(pSSM, cbExtra); AssertRCReturn(rc, rc); } } pCtx->cViews = iView; LogFlowFunc(("%d views loaded\n", pCtx->cViews)); if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM) { #ifdef VBOX_WITH_VIDEOHWACCEL uint32_t cbCmd = sizeof (VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); /* maximum cmd size */ VBOXVHWACMD *pCmd = vbvaVHWAHHCommandCreate(pVGAState, VBOXVHWACMD_TYPE_HH_SAVESTATE_LOADPERFORM, 0, cbCmd); Assert(pCmd); if(pCmd) { VBOXVBVASAVEDSTATECBDATA VhwaData = {0}; VhwaData.pSSM = pSSM; VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM *pLoad = VBOXVHWACMD_BODY(pCmd, VBOXVHWACMD_HH_SAVESTATE_LOADPERFORM); pLoad->pSSM = pSSM; vbvaVHWAHHPost (pVGAState, pCmd, vboxVBVALoadStatePerformPreCb, vboxVBVALoadStatePerformPostCb, &VhwaData); rc = VhwaData.rc; AssertRC(rc); vbvaVHWAHHCommandRelease(pCmd); } else { rc = VERR_OUT_OF_RESOURCES; } #else rc = SSMR3SkipToEndOfUnit(pSSM); AssertRCReturn(rc, rc); #endif } #ifdef DEBUG_sunlover dumpctx(pCtx); #endif } } return rc; } int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM) { PVGASTATE pVGAState = PDMINS_2_DATA(pDevIns, PVGASTATE); VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI); if (pCtx) { uint32_t iView; for (iView = 0; iView < pCtx->cViews; iView++) { VBVAVIEW *pView = &pCtx->aViews[iView]; if (pView->pVBVA) { vbvaEnable (iView, pVGAState, pCtx, pView->pVBVA, pView->u32VBVAOffset, true /* fRestored */); vbvaResize (pVGAState, pView, &pView->screen); } } if (pCtx->mouseShapeInfo.fSet) { vbvaUpdateMousePointerShape(pVGAState, &pCtx->mouseShapeInfo, true, pCtx->mouseShapeInfo.pu8Shape); } } return VINF_SUCCESS; } void VBVARaiseIrq (PVGASTATE pVGAState, uint32_t fFlags) { PPDMDEVINS pDevIns = pVGAState->pDevInsR3; PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY); HGSMISetHostGuestFlags(pVGAState->pHGSMI, HGSMIHOSTFLAGS_IRQ | fFlags); PDMDevHlpPCISetIrq(pDevIns, 0, PDM_IRQ_LEVEL_HIGH); PDMCritSectLeave(&pVGAState->CritSect); } /* * * 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)) PVGASTATE pVGAState = (PVGASTATE)pvCallback; VBVARaiseIrq (pVGAState, 0); #else NOREF(pvCallback); /* Do nothing. Later the VMMDev/VGA IRQ can be used for the notification. */ #endif } /* The guest submitted a buffer. @todo Verify all guest data. */ static DECLCALLBACK(int) vbvaChannelHandler (void *pvHandler, uint16_t u16ChannelInfo, void *pvBuffer, HGSMISIZE cbBuffer) { int rc = VINF_SUCCESS; LogFlowFunc(("pvHandler %p, u16ChannelInfo %d, pvBuffer %p, cbBuffer %u\n", pvHandler, u16ChannelInfo, pvBuffer, cbBuffer)); PVGASTATE pVGAState = (PVGASTATE)pvHandler; PHGSMIINSTANCE pIns = pVGAState->pHGSMI; VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns); switch (u16ChannelInfo) { #ifdef VBOX_WITH_VDMA case VBVA_VDMA_CMD: { if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMACBUF_DR)) { rc = VERR_INVALID_PARAMETER; break; } PVBOXVDMACBUF_DR pCmd = (PVBOXVDMACBUF_DR)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer); vboxVDMACommand(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize()); rc = VINF_SUCCESS; break; } case VBVA_VDMA_CTL: { if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXVDMA_CTL)) { rc = VERR_INVALID_PARAMETER; break; } PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMIBufferData ((PVBOXSHGSMIHEADER)pvBuffer); vboxVDMAControl(pVGAState->pVdma, pCmd, cbBuffer - VBoxSHGSMIBufferHeaderSize()); rc = VINF_SUCCESS; break; } #endif case VBVA_QUERY_CONF32: { if (cbBuffer < sizeof (VBVACONF32)) { rc = VERR_INVALID_PARAMETER; break; } VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer; LogFlowFunc(("VBVA_QUERY_CONF32: u32Index %d, u32Value 0x%x\n", pConf32->u32Index, pConf32->u32Value)); if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT) { pConf32->u32Value = pCtx->cViews; } else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE) { /* @todo a value calculated from the vram size */ pConf32->u32Value = 64*_1K; } else { Log(("Unsupported VBVA_QUERY_CONF32 index %d!!!\n", pConf32->u32Index)); rc = VERR_INVALID_PARAMETER; } } break; case VBVA_SET_CONF32: { if (cbBuffer < sizeof (VBVACONF32)) { rc = VERR_INVALID_PARAMETER; break; } VBVACONF32 *pConf32 = (VBVACONF32 *)pvBuffer; LogFlowFunc(("VBVA_SET_CONF32: u32Index %d, u32Value 0x%x\n", pConf32->u32Index, pConf32->u32Value)); if (pConf32->u32Index == VBOX_VBVA_CONF32_MONITOR_COUNT) { /* do nothing. this is a const. */ } else if (pConf32->u32Index == VBOX_VBVA_CONF32_HOST_HEAP_SIZE) { /* do nothing. this is a const. */ } else { Log(("Unsupported VBVA_SET_CONF32 index %d!!!\n", pConf32->u32Index)); rc = VERR_INVALID_PARAMETER; } } break; case VBVA_INFO_VIEW: { if (cbBuffer < sizeof (VBVAINFOVIEW)) { rc = VERR_INVALID_PARAMETER; break; } /* Guest submits an array of VBVAINFOVIEW structures. */ VBVAINFOVIEW *pView = (VBVAINFOVIEW *)pvBuffer; for (; cbBuffer >= sizeof (VBVAINFOVIEW); pView++, cbBuffer -= sizeof (VBVAINFOVIEW)) { LogFlowFunc(("VBVA_INFO_VIEW: index %d, offset 0x%x, size 0x%x, max screen size 0x%x\n", pView->u32ViewIndex, pView->u32ViewOffset, pView->u32ViewSize, pView->u32MaxScreenSize)); /* @todo verify view data. */ if (pView->u32ViewIndex >= pCtx->cViews) { Log(("View index too large %d!!!\n", pView->u32ViewIndex)); rc = VERR_INVALID_PARAMETER; break; } pCtx->aViews[pView->u32ViewIndex].view = *pView; } } break; case VBVA_INFO_HEAP: { if (cbBuffer < sizeof (VBVAINFOHEAP)) { rc = VERR_INVALID_PARAMETER; break; } VBVAINFOHEAP *pHeap = (VBVAINFOHEAP *)pvBuffer; LogFlowFunc(("VBVA_INFO_HEAP: offset 0x%x, size 0x%x\n", pHeap->u32HeapOffset, pHeap->u32HeapSize)); rc = HGSMISetupHostHeap (pIns, pHeap->u32HeapOffset, pHeap->u32HeapSize); } break; case VBVA_FLUSH: { if (cbBuffer < sizeof (VBVAFLUSH)) { rc = VERR_INVALID_PARAMETER; break; } VBVAFLUSH *pFlush = (VBVAFLUSH *)pvBuffer; LogFlowFunc(("VBVA_FLUSH: u32Reserved 0x%x\n", pFlush->u32Reserved)); rc = vbvaFlush (pVGAState, pCtx); } break; case VBVA_INFO_SCREEN: { if (cbBuffer < sizeof (VBVAINFOSCREEN)) { rc = VERR_INVALID_PARAMETER; break; } VBVAINFOSCREEN *pScreen = (VBVAINFOSCREEN *)pvBuffer; VBVAINFOVIEW *pView = &pCtx->aViews[pScreen->u32ViewIndex].view; /* Calculate the offset of the end of the screen so we can make * sure it is inside the view. I assume that screen rollover is not * implemented. */ int64_t offEnd = (int64_t)pScreen->u32Height * pScreen->u32LineSize + pScreen->u32Width + pScreen->u32StartOffset; LogRel(("VBVA_INFO_SCREEN: [%d] @%d,%d %dx%d, line 0x%x, BPP %d, flags 0x%x\n", pScreen->u32ViewIndex, pScreen->i32OriginX, pScreen->i32OriginY, pScreen->u32Width, pScreen->u32Height, pScreen->u32LineSize, pScreen->u16BitsPerPixel, pScreen->u16Flags)); if ( pScreen->u32ViewIndex < RT_ELEMENTS (pCtx->aViews) && pScreen->u16BitsPerPixel <= 32 && pScreen->u32Width <= UINT16_MAX && pScreen->u32Height <= UINT16_MAX && pScreen->u32LineSize <= UINT16_MAX * 4 && offEnd < pView->u32MaxScreenSize) { vbvaResize (pVGAState, &pCtx->aViews[pScreen->u32ViewIndex], pScreen); } else { LogRelFlow(("VBVA_INFO_SCREEN [%lu]: bad data: %lux%lu, line 0x%lx, BPP %u, start offset %lu, max screen size %lu\n", (unsigned long)pScreen->u32ViewIndex, (unsigned long)pScreen->u32Width, (unsigned long)pScreen->u32Height, (unsigned long)pScreen->u32LineSize, (unsigned long)pScreen->u16BitsPerPixel, (unsigned long)pScreen->u32StartOffset, (unsigned long)pView->u32MaxScreenSize)); rc = VERR_INVALID_PARAMETER; } } break; case VBVA_ENABLE: { if (cbBuffer < sizeof (VBVAENABLE)) { rc = VERR_INVALID_PARAMETER; break; } VBVAENABLE *pEnable = (VBVAENABLE *)pvBuffer; unsigned uScreenId; if (pEnable->u32Flags & VBVA_F_EXTENDED) { if (cbBuffer < sizeof (VBVAENABLE_EX)) { rc = VERR_INVALID_PARAMETER; break; } VBVAENABLE_EX *pEnableEx = (VBVAENABLE_EX *)pvBuffer; uScreenId = pEnableEx->u32ScreenId; } else { uScreenId = vbvaViewFromOffset (pIns, pCtx, pvBuffer); } if (uScreenId == ~0U) { rc = VERR_INVALID_PARAMETER; break; } LogFlowFunc(("VBVA_ENABLE[%d]: u32Flags 0x%x u32Offset 0x%x\n", uScreenId, pEnable->u32Flags, pEnable->u32Offset)); if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_ENABLE) { /* Guest reported offset relative to view. */ uint32_t u32Offset = pEnable->u32Offset; if (!(pEnable->u32Flags & VBVA_F_ABSOFFSET)) { u32Offset += pCtx->aViews[uScreenId].view.u32ViewOffset; } VBVABUFFER *pVBVA = (VBVABUFFER *)HGSMIOffsetToPointerHost (pIns, u32Offset); if (pVBVA) { /* Process any pending orders and empty the VBVA ring buffer. */ vbvaFlush (pVGAState, pCtx); rc = vbvaEnable (uScreenId, pVGAState, pCtx, pVBVA, u32Offset, false /* fRestored */); } else { Log(("Invalid VBVABUFFER offset 0x%x!!!\n", pEnable->u32Offset)); rc = VERR_INVALID_PARAMETER; } } else if ((pEnable->u32Flags & (VBVA_F_ENABLE | VBVA_F_DISABLE)) == VBVA_F_DISABLE) { rc = vbvaDisable (uScreenId, pVGAState, pCtx); } else { Log(("Invalid VBVA_ENABLE flags 0x%x!!!\n", pEnable->u32Flags)); rc = VERR_INVALID_PARAMETER; } pEnable->i32Result = rc; } break; case VBVA_MOUSE_POINTER_SHAPE: { if (cbBuffer < sizeof (VBVAMOUSEPOINTERSHAPE)) { rc = VERR_INVALID_PARAMETER; break; } VBVAMOUSEPOINTERSHAPE *pShape = (VBVAMOUSEPOINTERSHAPE *)pvBuffer; LogFlowFunc(("VBVA_MOUSE_POINTER_SHAPE: i32Result 0x%x, fu32Flags 0x%x, hot spot %d,%d, size %dx%d\n", pShape->i32Result, pShape->fu32Flags, pShape->u32HotX, pShape->u32HotY, pShape->u32Width, pShape->u32Height)); rc = vbvaMousePointerShape (pVGAState, pCtx, pShape, cbBuffer); pShape->i32Result = rc; } break; #ifdef VBOX_WITH_VIDEOHWACCEL case VBVA_VHWA_CMD: { rc = vbvaVHWAHandleCommand (pVGAState, pCtx, (PVBOXVHWACMD)pvBuffer); } break; #endif #ifdef VBOX_WITH_WDDM case VBVA_INFO_CAPS: { if (cbBuffer < sizeof (VBVACAPS)) { rc = VERR_INVALID_PARAMETER; break; } VBVACAPS *pCaps = (VBVACAPS*)pvBuffer; pVGAState->fGuestCaps = pCaps->fCaps; pCaps->rc = VINF_SUCCESS; } break; #endif case VBVA_SCANLINE_CFG: { if (cbBuffer < sizeof (VBVASCANLINECFG)) { rc = VERR_INVALID_PARAMETER; break; } VBVASCANLINECFG *pCfg = (VBVASCANLINECFG*)pvBuffer; pVGAState->fScanLineCfg = pCfg->fFlags; pCfg->rc = VINF_SUCCESS; } break; default: Log(("Unsupported VBVA guest command %d!!!\n", u16ChannelInfo)); break; } return rc; } void VBVAReset (PVGASTATE pVGAState) { if (!pVGAState || !pVGAState->pHGSMI) { return; } VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI); #ifdef VBOX_WITH_VIDEOHWACCEL vbvaVHWAReset (pVGAState); #endif uint32_t HgFlags = HGSMIReset (pVGAState->pHGSMI); if(HgFlags & HGSMIHOSTFLAGS_IRQ) { /* this means the IRQ is LEVEL_HIGH, need to reset it */ PDMDevHlpPCISetIrq(pVGAState->pDevInsR3, 0, PDM_IRQ_LEVEL_LOW); } if (pCtx) { vbvaFlush (pVGAState, pCtx); unsigned uScreenId; for (uScreenId = 0; uScreenId < pCtx->cViews; uScreenId++) { vbvaDisable (uScreenId, pVGAState, pCtx); } pCtx->mouseShapeInfo.fSet = false; RTMemFree(pCtx->mouseShapeInfo.pu8Shape); pCtx->mouseShapeInfo.pu8Shape = NULL; pCtx->mouseShapeInfo.cbAllocated = 0; pCtx->mouseShapeInfo.cbShape = 0; } } int VBVAUpdateDisplay (PVGASTATE pVGAState) { int rc = VERR_NOT_SUPPORTED; /* Assuming that the VGA device will have to do updates. */ VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI); if (pCtx) { rc = vbvaFlush (pVGAState, pCtx); if (RT_SUCCESS (rc)) { if (!pCtx->aViews[0].pVBVA) { /* VBVA is not enabled for the first view, so VGA device must do updates. */ rc = VERR_NOT_SUPPORTED; } } } return rc; } static HGSMICHANNELHANDLER sOldChannelHandler; int VBVAInit (PVGASTATE pVGAState) { PPDMDEVINS pDevIns = pVGAState->pDevInsR3; PVM pVM = PDMDevHlpGetVM(pDevIns); int rc = HGSMICreate (&pVGAState->pHGSMI, pVM, "VBVA", 0, pVGAState->vram_ptrR3, pVGAState->vram_size, vbvaNotifyGuest, pVGAState, sizeof (VBVACONTEXT)); if (RT_SUCCESS (rc)) { rc = HGSMIHostChannelRegister (pVGAState->pHGSMI, HGSMI_CH_VBVA, vbvaChannelHandler, pVGAState, &sOldChannelHandler); if (RT_SUCCESS (rc)) { VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI); pCtx->cViews = pVGAState->cMonitors; } } return rc; } void VBVADestroy (PVGASTATE pVGAState) { VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pVGAState->pHGSMI); if (pCtx) { pCtx->mouseShapeInfo.fSet = false; RTMemFree(pCtx->mouseShapeInfo.pu8Shape); pCtx->mouseShapeInfo.pu8Shape = NULL; pCtx->mouseShapeInfo.cbAllocated = 0; pCtx->mouseShapeInfo.cbShape = 0; } HGSMIDestroy (pVGAState->pHGSMI); pVGAState->pHGSMI = NULL; }