DevVGA_VBVA.cpp revision e6e6613fd415747d105a4f857c5aa2ecfd203359
/* $Id$ */
/** @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 <VBox/vmm/pdmifs.h>
#include <VBox/vmm/pdmdev.h>
#include <VBox/vmm/pgm.h>
#include <VBox/vmm/ssm.h>
#include <VBox/VMMDev.h>
#include <VBox/VBoxVideo.h>
#include <iprt/alloc.h>
#include <iprt/assert.h>
#include <iprt/asm.h>
#include <iprt/string.h>
#include <iprt/param.h>
#ifdef VBOX_WITH_VIDEOHWACCEL
#include <iprt/semaphore.h>
#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;
bool fPaused;
uint32_t xCursor;
uint32_t yCursor;
VBVAMODEHINT aModeHints[VBOX_VIDEO_MAX_SCREENS];
} 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, false);
}
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;
/* VBVA is working so disable the pause. */
pCtx->fPaused = false;
}
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)
{
if (pShape->u32Width > 8192 || pShape->u32Height > 8192)
{
Log(("vbvaMousePointerShape: unsupported size %ux%u\n",
pShape->u32Width, pShape->u32Height));
return VERR_INVALID_PARAMETER;
}
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*)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(PVGASTATE pVGAState, PVBOXVHWACMD pCommand, bool fAsyncCommand)
{
if (fAsyncCommand)
{
Assert(pCommand->Flags & VBOXVHWACMD_FLAG_HG_ASYNCH);
vbvaVHWACommandCompleteAsync(&pVGAState->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(PVGASTATE pVGAState, int rc)
{
if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
return;
VBOX_VHWA_PENDINGCMD *pIter, *pNext;
PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
{
pIter->pCommand->rc = rc;
vbvaVHWACommandComplete(pVGAState, pIter->pCommand, true);
/* the command is submitted/processed, remove from the pend list */
RTListNodeRemove(&pIter->Node);
ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
RTMemFree(pIter);
}
PDMCritSectLeave(&pVGAState->CritSect);
}
static void vbvaVHWACommandClearAllPending(PVGASTATE pVGAState)
{
if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
return;
VBOX_VHWA_PENDINGCMD *pIter, *pNext;
PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
{
RTListNodeRemove(&pIter->Node);
ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
RTMemFree(pIter);
}
PDMCritSectLeave(&pVGAState->CritSect);
}
static void vbvaVHWACommandPend(PVGASTATE pVGAState, PVBOXVHWACMD pCommand)
{
int rc = VERR_BUFFER_OVERFLOW;
if (ASMAtomicUoReadU32(&pVGAState->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;
PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
if (ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending) < VBOX_VHWA_MAX_PENDING_COMMANDS)
{
RTListAppend(&pVGAState->pendingVhwaCommands.PendingList, &pPend->Node);
ASMAtomicIncU32(&pVGAState->pendingVhwaCommands.cPending);
PDMCritSectLeave(&pVGAState->CritSect);
return;
}
PDMCritSectLeave(&pVGAState->CritSect);
LogRel(("Pending command count has reached its threshold.. completing them all.."));
RTMemFree(pPend);
}
else
rc = VERR_NO_MEMORY;
}
else
LogRel(("Pending command count has reached its threshold, completing them all.."));
vbvaVHWACommandCompleteAllPending(pVGAState, rc);
pCommand->rc = rc;
vbvaVHWACommandComplete(pVGAState, pCommand, false);
}
static bool vbvaVHWACommandCanPend(PVBOXVHWACMD pCommand)
{
switch (pCommand->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(PVGASTATE pVGAState, PSSMHANDLE pSSM)
{
int rc = SSMR3PutU32(pSSM, pVGAState->pendingVhwaCommands.cPending);
AssertRCReturn(rc, rc);
VBOX_VHWA_PENDINGCMD *pIter;
RTListForEach(&pVGAState->pendingVhwaCommands.PendingList, pIter, VBOX_VHWA_PENDINGCMD, Node)
{
rc = SSMR3PutU32(pSSM, (uint32_t)(((uint8_t*)pIter->pCommand) - ((uint8_t*)pVGAState->vram_ptrR3)));
AssertRCReturn(rc, rc);
}
return rc;
}
static int vbvaVHWACommandLoadPending(PVGASTATE pVGAState, PSSMHANDLE pSSM, uint32_t u32Version)
{
if (u32Version < VGA_SAVEDSTATE_VERSION_WITH_PENDVHWA)
return VINF_SUCCESS;
int rc;
uint32_t u32;
rc = SSMR3GetU32(pSSM, &u32);
AssertRCReturn(rc, rc);
for (uint32_t i = 0; i < u32; ++i)
{
uint32_t off32;
rc = SSMR3GetU32(pSSM, &off32);
AssertRCReturn(rc, rc);
PVBOXVHWACMD pCommand = (PVBOXVHWACMD)(((uint8_t*)pVGAState->vram_ptrR3) + off32);
vbvaVHWACommandPend(pVGAState, pCommand);
}
return rc;
}
static bool vbvaVHWACommandSubmit(PVGASTATE pVGAState, PVBOXVHWACMD pCommand, bool fAsyncCommand)
{
unsigned id = (unsigned)pCommand->iDisplay;
bool fPend = false;
if (pVGAState->pDrv->pfnVHWACommandProcess)
{
Log(("VGA Command >>> %#p, %d\n", pCommand, pCommand->enmCmd));
int rc = pVGAState->pDrv->pfnVHWACommandProcess(pVGAState->pDrv, pCommand);
if (rc == VINF_CALLBACK_RETURN)
{
Log(("VGA Command --- Going Async %#p, %d\n", pCommand, pCommand->enmCmd));
return true; /* command will be completed asynchronously, return right away */
}
else if (rc == VERR_INVALID_STATE)
{
Log(("VGA Command --- Trying Pend %#p, %d\n", pCommand, pCommand->enmCmd));
fPend = vbvaVHWACommandCanPend(pCommand);
if (!fPend)
{
Log(("VGA Command --- Can NOT Pend %#p, %d\n", pCommand, pCommand->enmCmd));
pCommand->rc = rc;
}
else
Log(("VGA Command --- Can Pend %#p, %d\n", pCommand, pCommand->enmCmd));
}
else
{
Log(("VGA Command --- Going Complete Sync rc %d %#p, %d\n", rc, pCommand, pCommand->enmCmd));
pCommand->rc = rc;
}
/* the command was completed, take a special care about it (seee below) */
}
else
{
AssertFailed();
pCommand->rc = VERR_INVALID_STATE;
}
if (fPend)
return false;
vbvaVHWACommandComplete(pVGAState, pCommand, fAsyncCommand);
return true;
}
static bool vbvaVHWACheckPendingCommands(PVGASTATE pVGAState)
{
if (!ASMAtomicUoReadU32(&pVGAState->pendingVhwaCommands.cPending))
return true;
VBOX_VHWA_PENDINGCMD *pIter, *pNext;
PDMCritSectEnter(&pVGAState->CritSect, VERR_SEM_BUSY);
RTListForEachSafe(&pVGAState->pendingVhwaCommands.PendingList, pIter, pNext, VBOX_VHWA_PENDINGCMD, Node)
{
if (!vbvaVHWACommandSubmit(pVGAState, pIter->pCommand, true))
{
PDMCritSectLeave(&pVGAState->CritSect);
return false; /* the command should be pended still */
}
/* the command is submitted/processed, remove from the pend list */
RTListNodeRemove(&pIter->Node);
ASMAtomicDecU32(&pVGAState->pendingVhwaCommands.cPending);
RTMemFree(pIter);
}
PDMCritSectLeave(&pVGAState->CritSect);
return true;
}
void vbvaTimerCb(PVGASTATE pVGAState)
{
vbvaVHWACheckPendingCommands(pVGAState);
}
static void vbvaVHWAHandleCommand(PVGASTATE pVGAState, PVBOXVHWACMD pCmd)
{
if (vbvaVHWACheckPendingCommands(pVGAState))
{
if (vbvaVHWACommandSubmit(pVGAState, pCmd, false))
return;
}
vbvaVHWACommandPend(pVGAState, pCmd);
}
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, 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)
{
pVGAState->pendingVhwaCommands.cPending = 0;
RTListInit(&pVGAState->pendingVhwaCommands.PendingList);
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)
{
vbvaVHWACommandClearAllPending(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 vbvaVHWACommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd)
{
int rc;
Log(("VGA Command <<< Async rc %d %#p, %d\n", pCmd->rc, pCmd, pCmd->enmCmd));
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:
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 /* #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
rc = SSMR3PutU32 (pSSM, RT_ELEMENTS(pCtx->aModeHints));
AssertRCReturn(rc, rc);
rc = SSMR3PutU32 (pSSM, sizeof(VBVAMODEHINT));
AssertRCReturn(rc, rc);
for (unsigned i = 0; i < RT_ELEMENTS(pCtx->aModeHints); ++i)
{
rc = SSMR3PutMem (pSSM, &pCtx->aModeHints[i],
sizeof(VBVAMODEHINT));
AssertRCReturn(rc, rc);
}
}
}
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))
{
rc = vbvaVHWACommandSavePending(pVGAState, pSSM);
AssertRCReturn(rc, 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);
}
}
/* no pending commands */
SSMR3PutU32(pSSM, 0);
#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);
pVGAState->pDrv->pfnVBVAGuestCapabilityUpdate(pVGAState->pDrv, pVGAState->fGuestCaps);
cbExtra -= 4;
}
#endif
if (cbExtra > 0)
{
rc = SSMR3Skip(pSSM, cbExtra);
AssertRCReturn(rc, rc);
}
if (u32Version >= VGA_SAVEDSTATE_VERSION_MODE_HINTS)
{
uint32_t cModeHints, cbModeHints;
rc = SSMR3GetU32 (pSSM, &cModeHints);
AssertRCReturn(rc, rc);
rc = SSMR3GetU32 (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 = SSMR3GetMem(pSSM, &pCtx->aModeHints[iHint],
cbModeHints);
else
rc = SSMR3Skip(pSSM, cbModeHints);
AssertRCReturn(rc, rc);
}
}
}
pCtx->cViews = iView;
LogFlowFunc(("%d views loaded\n", pCtx->cViews));
if (u32Version > VGA_SAVEDSTATE_VERSION_WDDM)
{
bool fLoadCommands;
if (u32Version < VGA_SAVEDSTATE_VERSION_FIXED_PENDVHWA)
{
const char *pcszOsArch = SSMR3HandleHostOSAndArch(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(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;
vbvaVHWAHHCommandRelease(pCmd);
AssertRCReturn(rc, rc);
if (fLoadCommands)
{
rc = vbvaVHWACommandLoadPending(pVGAState, pSSM, u32Version);
AssertRCReturn(rc, rc);
}
}
else
{
rc = VERR_OUT_OF_RESOURCES;
}
#else
uint32_t u32;
for (uint32_t i = 0; i < pVGAState->cMonitors; ++i)
{
rc = SSMR3GetU32(pSSM, &u32);
AssertRCReturn(rc, rc);
if (u32 != VBOXVBVASAVEDSTATE_VHWAUNAVAILABLE_MAGIC)
{
LogRel(("2D data while 2D is not supported\n"));
return VERR_NOT_SUPPORTED;
}
}
if (fLoadCommands)
{
rc = SSMR3GetU32(pSSM, &u32);
AssertRCReturn(rc, rc);
if (u32)
{
LogRel(("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, 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)
{
#ifdef VBOX_WITH_CRHGSMI
Assert(!vboxCmdVBVAIsEnabled(pVGAState));
#endif
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);
}
static DECLCALLBACK(int) vbvaRaiseIrqEMT(PVGASTATE pVGAState, uint32_t fFlags)
{
VBVARaiseIrq(pVGAState, fFlags);
return VINF_SUCCESS;
}
void VBVARaiseIrqNoWait(PVGASTATE pVGAState, uint32_t fFlags)
{
/* we can not use PDMDevHlpPCISetIrqNoWait here, because we need to set IRG host flag and raise IRQ atomically,
* otherwise there might be a situation, when:
* 1. Flag is set
* 2. guest issues an IRQ clean request, that cleans up the flag and the interrupt
* 3. IRQ is set */
VMR3ReqCallNoWait(PDMDevHlpGetVM(pVGAState->pDevInsR3), VMCPUID_ANY, (PFNRT)vbvaRaiseIrqEMT, 2, pVGAState, fFlags);
}
int VBVAInfoView(PVGASTATE pVGAState, VBVAINFOVIEW *pView)
{
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));
PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
/* @todo verify view data. */
if (pView->u32ViewIndex >= pCtx->cViews)
{
Log(("View index too large %d!!!\n",
pView->u32ViewIndex));
return VERR_INVALID_PARAMETER;
}
pCtx->aViews[pView->u32ViewIndex].view = *pView;
return VINF_SUCCESS;
}
int VBVAInfoScreen(PVGASTATE pVGAState, VBVAINFOSCREEN *pScreen)
{
PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
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);
return VINF_SUCCESS;
}
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));
return VERR_INVALID_PARAMETER;
}
int VBVAGetInfoViewAndScreen(PVGASTATE pVGAState, uint32_t u32ViewIndex, VBVAINFOVIEW *pView, VBVAINFOSCREEN *pScreen)
{
if (u32ViewIndex >= pVGAState->cMonitors)
return VERR_INVALID_PARAMETER;
PHGSMIINSTANCE pIns = pVGAState->pHGSMI;
VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext (pIns);
if (pView)
*pView = pCtx->aViews[u32ViewIndex].view;
if (pScreen)
*pScreen = pCtx->aViews[u32ViewIndex].screen;
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))
PVGASTATE pVGAState = (PVGASTATE)pvCallback;
VBVARaiseIrqNoWait (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)
{
case VBVA_CMDVBVA_SUBMIT:
{
# ifdef VBOX_WITH_CRHGSMI
rc = vboxCmdVBVACmdSubmit(pVGAState);
#endif
break;
}
case VBVA_CMDVBVA_FLUSH:
{
# ifdef VBOX_WITH_CRHGSMI
rc =vboxCmdVBVACmdFlush(pVGAState);
#endif
break;
}
case VBVA_CMDVBVA_CTL:
{
#ifdef VBOX_WITH_CRHGSMI
if (cbBuffer < VBoxSHGSMIBufferHeaderSize() + sizeof (VBOXCMDVBVA_CTL))
{
Log(("buffer too small\n"));
#ifdef DEBUG_misha
AssertMsgFailed(("buffer too small\n"));
#endif
rc = VERR_INVALID_PARAMETER;
break;
}
VBOXCMDVBVA_CTL *pCtl = (VBOXCMDVBVA_CTL*)VBoxSHGSMIBufferData((PVBOXSHGSMIHEADER)pvBuffer);
rc = vboxCmdVBVACmdCtl(pVGAState, pCtl, cbBuffer - VBoxSHGSMIBufferHeaderSize());
#endif
break;
}
#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 if ( pConf32->u32Index == VBOX_VBVA_CONF32_MODE_HINT_REPORTING
|| pConf32->u32Index == VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING)
{
pConf32->u32Value = VINF_SUCCESS;
}
else if (pConf32->u32Index == VBOX_VBVA_CONF32_CURSOR_CAPABILITIES)
{
pConf32->u32Value = pVGAState->fHostCursorCapabilities;
}
else if (pConf32->u32Index == VBOX_VBVA_CONF32_SCREEN_FLAGS)
{
pConf32->u32Value = VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_DISABLED | VBVA_SCREEN_F_BLANK;
}
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:
{
#ifdef VBOX_WITH_CRHGSMI
if (vboxCmdVBVAIsEnabled(pVGAState))
{
AssertMsgFailed(("VBVA_INFO_VIEW is not acceptible for CmdVbva\n"));
rc = VERR_INVALID_PARAMETER;
break;
}
#endif
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))
{
VBVAINFOVIEW View = *pView;
rc = VBVAInfoView(pVGAState, &View);
if (RT_FAILURE(rc))
break;
}
} 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;
}
#ifdef VBOX_WITH_CRHGSMI
if (vboxCmdVBVAIsEnabled(pVGAState))
{
AssertMsgFailed(("VBVA_INFO_SCREEN is not acceptible for CmdVbva\n"));
rc = VERR_INVALID_PARAMETER;
break;
}
#endif
VBVAINFOSCREEN *pScreen = (VBVAINFOSCREEN *)pvBuffer;
VBVAINFOSCREEN Screen = *pScreen;
rc = VBVAInfoScreen(pVGAState, &Screen);
} break;
case VBVA_ENABLE:
{
#ifdef VBOX_WITH_CRHGSMI
if (vboxCmdVBVAIsEnabled(pVGAState))
{
AssertMsgFailed(("VBVA_ENABLE is not acceptible for CmdVbva\n"));
rc = VERR_INVALID_PARAMETER;
break;
}
#endif
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:
{
if (cbBuffer < sizeof (VBOXVHWACMD))
{
rc = VERR_INVALID_PARAMETER;
break;
}
vbvaVHWAHandleCommand(pVGAState, (PVBOXVHWACMD)pvBuffer);
rc = VINF_SUCCESS;
break;
} 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;
pVGAState->pDrv->pfnVBVAGuestCapabilityUpdate(pVGAState->pDrv,
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;
case VBVA_QUERY_MODE_HINTS:
{
if (cbBuffer < sizeof(VBVAQUERYMODEHINTS))
{
rc = VERR_INVALID_PARAMETER;
break;
}
VBVAQUERYMODEHINTS *pModeHintQuery = (VBVAQUERYMODEHINTS*)pvBuffer;
LogRelFlowFunc(("VBVA_QUERY_MODE_HINTS: cHintsQueried=%u, cbHintStructureGuest=%u\n",
(unsigned)pModeHintQuery->cHintsQueried,
(unsigned)pModeHintQuery->cbHintStructureGuest));
if (cbBuffer < sizeof (VBVAQUERYMODEHINTS)
+ (uint64_t)pModeHintQuery->cHintsQueried
* pModeHintQuery->cbHintStructureGuest)
{
pModeHintQuery->rc = VERR_INVALID_PARAMETER;
break;
}
pModeHintQuery->rc = VINF_SUCCESS;
uint8_t *pbHint = (uint8_t *)pvBuffer + sizeof(VBVAQUERYMODEHINTS);
memset(pbHint, ~0, cbBuffer - sizeof(VBVAQUERYMODEHINTS));
unsigned iHint;
for (iHint = 0; iHint < pModeHintQuery->cHintsQueried
&& iHint < VBOX_VIDEO_MAX_SCREENS; ++iHint)
{
memcpy(pbHint, &pCtx->aModeHints[iHint],
RT_MIN(pModeHintQuery->cbHintStructureGuest,
sizeof(VBVAMODEHINT)));
pbHint += pModeHintQuery->cbHintStructureGuest;
Assert(pbHint - (uint8_t *)pvBuffer <= cbBuffer);
}
} break;
case VBVA_REPORT_INPUT_MAPPING:
{
if (cbBuffer != sizeof(VBVAREPORTINPUTMAPPING))
{
rc = VERR_INVALID_PARAMETER;
break;
}
VBVAREPORTINPUTMAPPING *pReport = (VBVAREPORTINPUTMAPPING *)pvBuffer;
LogRelFlowFunc(("VBVA_REPORT_INPUT_MAPPING: x=%u, y=%u, cx=%u, cy=%u\n", (unsigned)pReport->x, (unsigned)pReport->y,
(unsigned)pReport->cx, (unsigned)pReport->cy));
pVGAState->pDrv->pfnVBVAInputMappingUpdate(pVGAState->pDrv, pReport->x, pReport->y, pReport->cx, pReport->cy);
} break;
case VBVA_CURSOR_POSITION:
{
if (cbBuffer != sizeof(VBVACURSORPOSITION))
{
rc = VERR_INVALID_PARAMETER;
break;
}
VBVACURSORPOSITION *pReport
= (VBVACURSORPOSITION *)pvBuffer;
LogRelFlowFunc(("VBVA_CURSOR_POSITION: fReportPosition=%RTbool",
RT_BOOL(pReport->fReportPosition)));
if (RT_BOOL(pReport->fReportPosition))
LogRelFlowFunc(("VBVA_CURSOR_POSITION: fReportPosition=true, x=%u, y=%u\n",
(unsigned)pReport->x, (unsigned)pReport->y));
else
LogRelFlowFunc(("VBVA_CURSOR_POSITION: fReportPosition=false\n"));
pReport->x = pCtx->xCursor;
pReport->y = pCtx->yCursor;
} break;
default:
Log(("Unsupported VBVA guest command %d!!!\n",
u16ChannelInfo));
break;
}
return rc;
}
/* When VBVA is paused, then VGA device is allowed to work but
* no HGSMI etc state is changed.
*/
void VBVAPause(PVGASTATE pVGAState, bool fPause)
{
if (!pVGAState || !pVGAState->pHGSMI)
{
return;
}
VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pVGAState->pHGSMI);
if (pCtx)
{
pCtx->fPaused = fPause;
}
}
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)
{
if (!pCtx->fPaused)
{
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 int vbvaSendModeHintWorker(PVGASTATE pThis, 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(pThis->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(pThis, HGSMIHOSTFLAGS_HOTPLUG);
return VINF_SUCCESS;
}
/** Converts a display port interface pointer to a vga state pointer. */
#define IDISPLAYPORT_2_VGASTATE(pInterface) ( (PVGASTATE)((uintptr_t)pInterface - RT_OFFSETOF(VGASTATE, IPort)) )
DECLCALLBACK(int) vbvaPortSendModeHint(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)
{
PVGASTATE pThis;
int rc;
pThis = IDISPLAYPORT_2_VGASTATE(pInterface);
rc = PDMCritSectEnter(&pThis->CritSect, VERR_SEM_BUSY);
AssertRC(rc);
rc = vbvaSendModeHintWorker(pThis, cx, cy, cBPP, iDisplay, dx, dy, fEnabled,
fNotifyGuest);
PDMCritSectLeave(&pThis->CritSect);
return rc;
}
DECLCALLBACK(void) vbvaPortReportHostCursorCapabilities(PPDMIDISPLAYPORT pInterface, uint32_t fCapabilitiesAdded,
uint32_t fCapabilitiesRemoved)
{
PVGASTATE pThis = IDISPLAYPORT_2_VGASTATE(pInterface);
int rc = PDMCritSectEnter(&pThis->CritSect, VERR_SEM_BUSY);
AssertRC(rc);
pThis->fHostCursorCapabilities |= fCapabilitiesAdded;
pThis->fHostCursorCapabilities &= ~fCapabilitiesRemoved;
if (pThis->fGuestCaps & VBVACAPS_IRQ && pThis->fGuestCaps & VBVACAPS_DISABLE_CURSOR_INTEGRATION)
VBVARaiseIrqNoWait(pThis, HGSMIHOSTFLAGS_CURSOR_CAPABILITIES);
PDMCritSectLeave(&pThis->CritSect);
}
DECLCALLBACK(void) vbvaPortReportHostCursorPosition
(PPDMIDISPLAYPORT pInterface, uint32_t x, uint32_t y)
{
PVGASTATE pThis = IDISPLAYPORT_2_VGASTATE(pInterface);
VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pThis->pHGSMI);
int rc = PDMCritSectEnter(&pThis->CritSect, VERR_SEM_BUSY);
AssertRC(rc);
pCtx->xCursor = x;
pCtx->yCursor = y;
PDMCritSectLeave(&pThis->CritSect);
}
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;
pCtx->fPaused = true;
memset(pCtx->aModeHints, ~0, sizeof(*pCtx->aModeHints));
pVGAState->fHostCursorCapabilities = 0;
}
}
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;
}