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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Devices/Graphics/DevVGA-SVGA.cpp | 7149 |
1 files changed, 7149 insertions, 0 deletions
diff --git a/src/VBox/Devices/Graphics/DevVGA-SVGA.cpp b/src/VBox/Devices/Graphics/DevVGA-SVGA.cpp new file mode 100644 index 00000000..c199b618 --- /dev/null +++ b/src/VBox/Devices/Graphics/DevVGA-SVGA.cpp @@ -0,0 +1,7149 @@ +/* $Id: DevVGA-SVGA.cpp $ */ +/** @file + * VMware SVGA device. + * + * Logging levels guidelines for this and related files: + * - Log() for normal bits. + * - LogFlow() for more info. + * - Log2 for hex dump of cursor data. + * - Log3 for hex dump of shader code. + * - Log4 for hex dumps of 3D data. + * - Log5 for info about GMR pages. + * - Log6 for DX shaders. + * - Log7 for SVGA command dump. + * - Log8 for content of constant and vertex buffers. + * - LogRel for the usual important stuff. + * - LogRel2 for cursor. + * - LogRel3 for 3D performance data. + * - LogRel4 for HW accelerated graphics output. + */ + +/* + * Copyright (C) 2013-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + + +/** @page pg_dev_vmsvga VMSVGA - VMware SVGA II Device Emulation + * + * This device emulation was contributed by trivirt AG. It offers an + * alternative to our Bochs based VGA graphics and 3d emulations. This is + * valuable for Xorg based guests, as there is driver support shipping with Xorg + * since it forked from XFree86. + * + * + * @section sec_dev_vmsvga_sdk The VMware SDK + * + * This is officially deprecated now, however it's still quite useful, + * especially for getting the old features working: + * http://vmware-svga.sourceforge.net/ + * + * They currently point developers at the following resources. + * - http://cgit.freedesktop.org/xorg/driver/xf86-video-vmware/ + * - http://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/svga/ + * - http://cgit.freedesktop.org/mesa/vmwgfx/ + * + * @subsection subsec_dev_vmsvga_sdk_results Test results + * + * Test results: + * - 2dmark.img: + * + todo + * - backdoor-tclo.img: + * + todo + * - blit-cube.img: + * + todo + * - bunnies.img: + * + todo + * - cube.img: + * + todo + * - cubemark.img: + * + todo + * - dynamic-vertex-stress.img: + * + todo + * - dynamic-vertex.img: + * + todo + * - fence-stress.img: + * + todo + * - gmr-test.img: + * + todo + * - half-float-test.img: + * + todo + * - noscreen-cursor.img: + * - The CURSOR I/O and FIFO registers are not implemented, so the mouse + * cursor doesn't show. (Hacking the GUI a little, would make the cursor + * visible though.) + * - Cursor animation via the palette doesn't work. + * - During debugging, it turns out that the framebuffer content seems to + * be halfways ignore or something (memset(fb, 0xcc, lots)). + * - Trouble with way to small FIFO and the 256x256 cursor fails. Need to + * grow it 0x10 fold (128KB -> 2MB like in WS10). + * - null.img: + * + todo + * - pong.img: + * + todo + * - presentReadback.img: + * + todo + * - resolution-set.img: + * + todo + * - rt-gamma-test.img: + * + todo + * - screen-annotation.img: + * + todo + * - screen-cursor.img: + * + todo + * - screen-dma-coalesce.img: + * + todo + * - screen-gmr-discontig.img: + * + todo + * - screen-gmr-remap.img: + * + todo + * - screen-multimon.img: + * + todo + * - screen-present-clip.img: + * + todo + * - screen-render-test.img: + * + todo + * - screen-simple.img: + * + todo + * - screen-text.img: + * + todo + * - simple-shaders.img: + * + todo + * - simple_blit.img: + * + todo + * - tiny-2d-updates.img: + * + todo + * - video-formats.img: + * + todo + * - video-sync.img: + * + todo + * + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP LOG_GROUP_DEV_VMSVGA +#include <VBox/vmm/pdmdev.h> +#include <VBox/version.h> +#include <VBox/err.h> +#include <VBox/log.h> +#include <VBox/vmm/pgm.h> +#include <VBox/sup.h> + +#include <iprt/assert.h> +#include <iprt/semaphore.h> +#include <iprt/uuid.h> +#ifdef IN_RING3 +# include <iprt/ctype.h> +# include <iprt/mem.h> +# ifdef VBOX_STRICT +# include <iprt/time.h> +# endif +#endif + +#include <VBox/AssertGuest.h> +#include <VBox/VMMDev.h> +#include <VBoxVideo.h> +#include <VBox/bioslogo.h> + +#ifdef LOG_ENABLED +#include "svgadump/svga_dump.h" +#endif + +/* should go BEFORE any other DevVGA include to make all DevVGA.h config defines be visible */ +#include "DevVGA.h" + +/* Should be included after DevVGA.h/DevVGA-SVGA.h to pick all defines. */ +#ifdef VBOX_WITH_VMSVGA3D +# include "DevVGA-SVGA3d.h" +# ifdef RT_OS_DARWIN +# include "DevVGA-SVGA3d-cocoa.h" +# endif +# ifdef RT_OS_LINUX +# ifdef IN_RING3 +# include "DevVGA-SVGA3d-glLdr.h" +# endif +# endif +#endif +#ifdef IN_RING3 +#include "DevVGA-SVGA-internal.h" +#endif + + +/********************************************************************************************************************************* +* Defined Constants And Macros * +*********************************************************************************************************************************/ +/** + * Macro for checking if a fixed FIFO register is valid according to the + * current FIFO configuration. + * + * @returns true / false. + * @param a_iIndex The fifo register index (like SVGA_FIFO_CAPABILITIES). + * @param a_offFifoMin A valid SVGA_FIFO_MIN value. + */ +#define VMSVGA_IS_VALID_FIFO_REG(a_iIndex, a_offFifoMin) ( ((a_iIndex) + 1) * sizeof(uint32_t) <= (a_offFifoMin) ) + + +/********************************************************************************************************************************* +* Structures and Typedefs * +*********************************************************************************************************************************/ + + +/********************************************************************************************************************************* +* Internal Functions * +*********************************************************************************************************************************/ +#ifdef IN_RING3 +# if defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) || defined(DEBUG_FIFO_ACCESS) +static FNPGMPHYSHANDLER vmsvgaR3FifoAccessHandler; +# endif +# ifdef DEBUG_GMR_ACCESS +static FNPGMPHYSHANDLER vmsvgaR3GmrAccessHandler; +# endif +#endif + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +#ifdef IN_RING3 + +/** + * SSM descriptor table for the VMSVGAGMRDESCRIPTOR structure. + */ +static SSMFIELD const g_aVMSVGAGMRDESCRIPTORFields[] = +{ + SSMFIELD_ENTRY_GCPHYS( VMSVGAGMRDESCRIPTOR, GCPhys), + SSMFIELD_ENTRY( VMSVGAGMRDESCRIPTOR, numPages), + SSMFIELD_ENTRY_TERM() +}; + +/** + * SSM descriptor table for the GMR structure. + */ +static SSMFIELD const g_aGMRFields[] = +{ + SSMFIELD_ENTRY( GMR, cMaxPages), + SSMFIELD_ENTRY( GMR, cbTotal), + SSMFIELD_ENTRY( GMR, numDescriptors), + SSMFIELD_ENTRY_IGN_HCPTR( GMR, paDesc), + SSMFIELD_ENTRY_TERM() +}; + +/** + * SSM descriptor table for the VMSVGASCREENOBJECT structure. + */ +static SSMFIELD const g_aVMSVGASCREENOBJECTFields[] = +{ + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, fuScreen), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, idScreen), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, xOrigin), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, yOrigin), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, cWidth), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, cHeight), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, offVRAM), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, cbPitch), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, cBpp), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, fDefined), + SSMFIELD_ENTRY( VMSVGASCREENOBJECT, fModified), + SSMFIELD_ENTRY_VER( VMSVGASCREENOBJECT, cDpi, VGA_SAVEDSTATE_VERSION_VMSVGA_MIPLEVELS), + SSMFIELD_ENTRY_TERM() +}; + +/** + * SSM descriptor table for the VMSVGAR3STATE structure. + */ +static SSMFIELD const g_aVMSVGAR3STATEFields[] = +{ + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, paGMR), + SSMFIELD_ENTRY( VMSVGAR3STATE, GMRFB), + SSMFIELD_ENTRY( VMSVGAR3STATE, Cursor.fActive), + SSMFIELD_ENTRY( VMSVGAR3STATE, Cursor.xHotspot), + SSMFIELD_ENTRY( VMSVGAR3STATE, Cursor.yHotspot), + SSMFIELD_ENTRY( VMSVGAR3STATE, Cursor.width), + SSMFIELD_ENTRY( VMSVGAR3STATE, Cursor.height), + SSMFIELD_ENTRY( VMSVGAR3STATE, Cursor.cbData), + SSMFIELD_ENTRY_IGN_HCPTR( VMSVGAR3STATE, Cursor.pData), + SSMFIELD_ENTRY( VMSVGAR3STATE, colorAnnotation), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, cBusyDelayedEmts), +#ifdef VMSVGA_USE_EMT_HALT_CODE + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, BusyDelayedEmts), +#else + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, hBusyDelayedEmts), +#endif + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatBusyDelayEmts), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dPresentProf), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dDrawPrimitivesProf), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSurfaceDmaProf), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dBlitSurfaceToScreenProf), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDefineGmr2), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDefineGmr2Free), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDefineGmr2Modify), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdRemapGmr2), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdRemapGmr2Modify), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdInvalidCmd), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdFence), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdUpdate), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdUpdateVerbose), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDefineCursor), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDefineAlphaCursor), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdMoveCursor), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDisplayCursor), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdRectFill), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdRectCopy), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdRectRopCopy), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdEscape), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDefineScreen), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDestroyScreen), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdDefineGmrFb), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdBlitGmrFbToScreen), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdBlitScreentoGmrFb), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdAnnotationFill), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3CmdAnnotationCopy), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSurfaceDefine), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSurfaceDefineV2), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSurfaceDestroy), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSurfaceCopy), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSurfaceStretchBlt), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSurfaceDma), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSurfaceScreen), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dContextDefine), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dContextDestroy), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetTransform), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetZRange), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetRenderState), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetRenderTarget), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetTextureState), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetMaterial), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetLightData), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetLightEnable), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetViewPort), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetClipPlane), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dClear), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dPresent), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dPresentReadBack), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dShaderDefine), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dShaderDestroy), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetShader), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetShaderConst), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dDrawPrimitives), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dSetScissorRect), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dBeginQuery), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dEndQuery), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dWaitForQuery), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dGenerateMipmaps), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dActivateSurface), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3Cmd3dDeactivateSurface), + + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3RegConfigDoneWr), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3RegGmrDescriptorWr), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3RegGmrDescriptorWrErrors), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatR3RegGmrDescriptorWrFree), + + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoCommands), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoErrors), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoUnkCmds), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoTodoTimeout), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoTodoWoken), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoStalls), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoExtendedSleep), +# if defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) || defined(DEBUG_FIFO_ACCESS) + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoAccessHandler), +# endif + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoCursorFetchAgain), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoCursorNoChange), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoCursorPosition), + SSMFIELD_ENTRY_IGNORE( VMSVGAR3STATE, StatFifoCursorVisiblity), + + SSMFIELD_ENTRY_TERM() +}; + +/** + * SSM descriptor table for the VGAState.svga structure. + */ +static SSMFIELD const g_aVGAStateSVGAFields[] = +{ + SSMFIELD_ENTRY_IGN_GCPHYS( VMSVGAState, GCPhysFIFO), + SSMFIELD_ENTRY_IGNORE( VMSVGAState, cbFIFO), + SSMFIELD_ENTRY_IGNORE( VMSVGAState, cbFIFOConfig), + SSMFIELD_ENTRY( VMSVGAState, u32SVGAId), + SSMFIELD_ENTRY( VMSVGAState, fEnabled), + SSMFIELD_ENTRY( VMSVGAState, fConfigured), + SSMFIELD_ENTRY( VMSVGAState, fBusy), + SSMFIELD_ENTRY( VMSVGAState, fTraces), + SSMFIELD_ENTRY( VMSVGAState, u32GuestId), + SSMFIELD_ENTRY( VMSVGAState, cScratchRegion), + SSMFIELD_ENTRY( VMSVGAState, au32ScratchRegion), + SSMFIELD_ENTRY( VMSVGAState, u32IrqStatus), + SSMFIELD_ENTRY( VMSVGAState, u32IrqMask), + SSMFIELD_ENTRY( VMSVGAState, u32PitchLock), + SSMFIELD_ENTRY( VMSVGAState, u32CurrentGMRId), + SSMFIELD_ENTRY( VMSVGAState, u32DeviceCaps), + SSMFIELD_ENTRY_VER( VMSVGAState, u32DeviceCaps2, VGA_SAVEDSTATE_VERSION_VMSVGA_REG_CAP2), + SSMFIELD_ENTRY_VER( VMSVGAState, u32GuestDriverId, VGA_SAVEDSTATE_VERSION_VMSVGA_REG_CAP2), + SSMFIELD_ENTRY_VER( VMSVGAState, u32GuestDriverVer1, VGA_SAVEDSTATE_VERSION_VMSVGA_REG_CAP2), + SSMFIELD_ENTRY_VER( VMSVGAState, u32GuestDriverVer2, VGA_SAVEDSTATE_VERSION_VMSVGA_REG_CAP2), + SSMFIELD_ENTRY_VER( VMSVGAState, u32GuestDriverVer3, VGA_SAVEDSTATE_VERSION_VMSVGA_REG_CAP2), + SSMFIELD_ENTRY( VMSVGAState, u32IndexReg), + SSMFIELD_ENTRY_IGNORE( VMSVGAState, hFIFORequestSem), + SSMFIELD_ENTRY_IGNORE( VMSVGAState, uLastCursorUpdateCount), + SSMFIELD_ENTRY_IGNORE( VMSVGAState, fFIFOThreadSleeping), + SSMFIELD_ENTRY_VER( VMSVGAState, fGFBRegisters, VGA_SAVEDSTATE_VERSION_VMSVGA_SCREENS), + SSMFIELD_ENTRY( VMSVGAState, uWidth), + SSMFIELD_ENTRY( VMSVGAState, uHeight), + SSMFIELD_ENTRY( VMSVGAState, uBpp), + SSMFIELD_ENTRY( VMSVGAState, cbScanline), + SSMFIELD_ENTRY_VER( VMSVGAState, uScreenOffset, VGA_SAVEDSTATE_VERSION_VMSVGA), + SSMFIELD_ENTRY_VER( VMSVGAState, uCursorX, VGA_SAVEDSTATE_VERSION_VMSVGA_CURSOR), + SSMFIELD_ENTRY_VER( VMSVGAState, uCursorY, VGA_SAVEDSTATE_VERSION_VMSVGA_CURSOR), + SSMFIELD_ENTRY_VER( VMSVGAState, uCursorID, VGA_SAVEDSTATE_VERSION_VMSVGA_CURSOR), + SSMFIELD_ENTRY_VER( VMSVGAState, uCursorOn, VGA_SAVEDSTATE_VERSION_VMSVGA_CURSOR), + SSMFIELD_ENTRY( VMSVGAState, u32MaxWidth), + SSMFIELD_ENTRY( VMSVGAState, u32MaxHeight), + SSMFIELD_ENTRY( VMSVGAState, u32ActionFlags), + SSMFIELD_ENTRY( VMSVGAState, f3DEnabled), + SSMFIELD_ENTRY( VMSVGAState, fVRAMTracking), + SSMFIELD_ENTRY_IGNORE( VMSVGAState, u8FIFOExtCommand), + SSMFIELD_ENTRY_IGNORE( VMSVGAState, fFifoExtCommandWakeup), + SSMFIELD_ENTRY_IGNORE( VMSVGAState, cGMR), + SSMFIELD_ENTRY_VER( VMSVGAState, au32DevCaps, VGA_SAVEDSTATE_VERSION_VMSVGA_DX), + SSMFIELD_ENTRY_VER( VMSVGAState, u32DevCapIndex, VGA_SAVEDSTATE_VERSION_VMSVGA_DX), + SSMFIELD_ENTRY_VER( VMSVGAState, u32RegCommandLow, VGA_SAVEDSTATE_VERSION_VMSVGA_DX), + SSMFIELD_ENTRY_VER( VMSVGAState, u32RegCommandHigh, VGA_SAVEDSTATE_VERSION_VMSVGA_DX), + + SSMFIELD_ENTRY_TERM() +}; +#endif /* IN_RING3 */ + + +/********************************************************************************************************************************* +* Internal Functions * +*********************************************************************************************************************************/ +#ifdef IN_RING3 +static void vmsvgaR3SetTraces(PPDMDEVINS pDevIns, PVGASTATE pThis, bool fTraces); +static int vmsvgaR3LoadExecFifo(PCPDMDEVHLPR3 pHlp, PVGASTATE pThis, PVGASTATECC pThisCC, PSSMHANDLE pSSM, + uint32_t uVersion, uint32_t uPass); +static int vmsvgaR3SaveExecFifo(PCPDMDEVHLPR3 pHlp, PVGASTATECC pThisCC, PSSMHANDLE pSSM); +static void vmsvgaR3CmdBufSubmit(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, RTGCPHYS GCPhysCB, SVGACBContext CBCtx); +static void vmsvgaR3PowerOnDevice(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, bool fLoadState); +#endif /* IN_RING3 */ + + +#define SVGA_CASE_ID2STR(idx) case idx: return #idx +#if defined(LOG_ENABLED) +/** + * Index register string name lookup + * + * @returns Index register string or "UNKNOWN" + * @param pThis The shared VGA/VMSVGA state. + * @param idxReg The index register. + */ +static const char *vmsvgaIndexToString(PVGASTATE pThis, uint32_t idxReg) +{ + AssertCompile(SVGA_REG_TOP == 77); /* Ensure that the correct headers are used. */ + switch (idxReg) + { + SVGA_CASE_ID2STR(SVGA_REG_ID); + SVGA_CASE_ID2STR(SVGA_REG_ENABLE); + SVGA_CASE_ID2STR(SVGA_REG_WIDTH); + SVGA_CASE_ID2STR(SVGA_REG_HEIGHT); + SVGA_CASE_ID2STR(SVGA_REG_MAX_WIDTH); + SVGA_CASE_ID2STR(SVGA_REG_MAX_HEIGHT); + SVGA_CASE_ID2STR(SVGA_REG_DEPTH); + SVGA_CASE_ID2STR(SVGA_REG_BITS_PER_PIXEL); /* Current bpp in the guest */ + SVGA_CASE_ID2STR(SVGA_REG_PSEUDOCOLOR); + SVGA_CASE_ID2STR(SVGA_REG_RED_MASK); + SVGA_CASE_ID2STR(SVGA_REG_GREEN_MASK); + SVGA_CASE_ID2STR(SVGA_REG_BLUE_MASK); + SVGA_CASE_ID2STR(SVGA_REG_BYTES_PER_LINE); + SVGA_CASE_ID2STR(SVGA_REG_FB_START); /* (Deprecated) */ + SVGA_CASE_ID2STR(SVGA_REG_FB_OFFSET); + SVGA_CASE_ID2STR(SVGA_REG_VRAM_SIZE); + SVGA_CASE_ID2STR(SVGA_REG_FB_SIZE); + + /* ID 0 implementation only had the above registers, then the palette */ + SVGA_CASE_ID2STR(SVGA_REG_CAPABILITIES); + SVGA_CASE_ID2STR(SVGA_REG_MEM_START); /* (Deprecated) */ + SVGA_CASE_ID2STR(SVGA_REG_MEM_SIZE); + SVGA_CASE_ID2STR(SVGA_REG_CONFIG_DONE); /* Set when memory area configured */ + SVGA_CASE_ID2STR(SVGA_REG_SYNC); /* See "FIFO Synchronization Registers" */ + SVGA_CASE_ID2STR(SVGA_REG_BUSY); /* See "FIFO Synchronization Registers" */ + SVGA_CASE_ID2STR(SVGA_REG_GUEST_ID); /* Set guest OS identifier */ + SVGA_CASE_ID2STR(SVGA_REG_DEAD); /* (Deprecated) SVGA_REG_CURSOR_ID. */ + SVGA_CASE_ID2STR(SVGA_REG_CURSOR_X); /* (Deprecated) */ + SVGA_CASE_ID2STR(SVGA_REG_CURSOR_Y); /* (Deprecated) */ + SVGA_CASE_ID2STR(SVGA_REG_CURSOR_ON); /* (Deprecated) */ + SVGA_CASE_ID2STR(SVGA_REG_HOST_BITS_PER_PIXEL); /* (Deprecated) */ + SVGA_CASE_ID2STR(SVGA_REG_SCRATCH_SIZE); /* Number of scratch registers */ + SVGA_CASE_ID2STR(SVGA_REG_MEM_REGS); /* Number of FIFO registers */ + SVGA_CASE_ID2STR(SVGA_REG_NUM_DISPLAYS); /* (Deprecated) */ + SVGA_CASE_ID2STR(SVGA_REG_PITCHLOCK); /* Fixed pitch for all modes */ + SVGA_CASE_ID2STR(SVGA_REG_IRQMASK); /* Interrupt mask */ + + /* Legacy multi-monitor support */ + SVGA_CASE_ID2STR(SVGA_REG_NUM_GUEST_DISPLAYS); /* Number of guest displays in X/Y direction */ + SVGA_CASE_ID2STR(SVGA_REG_DISPLAY_ID); /* Display ID for the following display attributes */ + SVGA_CASE_ID2STR(SVGA_REG_DISPLAY_IS_PRIMARY); /* Whether this is a primary display */ + SVGA_CASE_ID2STR(SVGA_REG_DISPLAY_POSITION_X); /* The display position x */ + SVGA_CASE_ID2STR(SVGA_REG_DISPLAY_POSITION_Y); /* The display position y */ + SVGA_CASE_ID2STR(SVGA_REG_DISPLAY_WIDTH); /* The display's width */ + SVGA_CASE_ID2STR(SVGA_REG_DISPLAY_HEIGHT); /* The display's height */ + + SVGA_CASE_ID2STR(SVGA_REG_GMR_ID); + SVGA_CASE_ID2STR(SVGA_REG_GMR_DESCRIPTOR); + SVGA_CASE_ID2STR(SVGA_REG_GMR_MAX_IDS); + SVGA_CASE_ID2STR(SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH); + + SVGA_CASE_ID2STR(SVGA_REG_TRACES); /* Enable trace-based updates even when FIFO is on */ + SVGA_CASE_ID2STR(SVGA_REG_GMRS_MAX_PAGES); /* Maximum number of 4KB pages for all GMRs */ + SVGA_CASE_ID2STR(SVGA_REG_MEMORY_SIZE); /* Total dedicated device memory excluding FIFO */ + SVGA_CASE_ID2STR(SVGA_REG_COMMAND_LOW); /* Lower 32 bits and submits commands */ + SVGA_CASE_ID2STR(SVGA_REG_COMMAND_HIGH); /* Upper 32 bits of command buffer PA */ + SVGA_CASE_ID2STR(SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM); /* Max primary memory */ + SVGA_CASE_ID2STR(SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB); /* Suggested limit on mob mem */ + SVGA_CASE_ID2STR(SVGA_REG_DEV_CAP); /* Write dev cap index, read value */ + SVGA_CASE_ID2STR(SVGA_REG_CMD_PREPEND_LOW); + SVGA_CASE_ID2STR(SVGA_REG_CMD_PREPEND_HIGH); + SVGA_CASE_ID2STR(SVGA_REG_SCREENTARGET_MAX_WIDTH); + SVGA_CASE_ID2STR(SVGA_REG_SCREENTARGET_MAX_HEIGHT); + SVGA_CASE_ID2STR(SVGA_REG_MOB_MAX_SIZE); + SVGA_CASE_ID2STR(SVGA_REG_BLANK_SCREEN_TARGETS); + SVGA_CASE_ID2STR(SVGA_REG_CAP2); + SVGA_CASE_ID2STR(SVGA_REG_DEVEL_CAP); + SVGA_CASE_ID2STR(SVGA_REG_GUEST_DRIVER_ID); + SVGA_CASE_ID2STR(SVGA_REG_GUEST_DRIVER_VERSION1); + SVGA_CASE_ID2STR(SVGA_REG_GUEST_DRIVER_VERSION2); + SVGA_CASE_ID2STR(SVGA_REG_GUEST_DRIVER_VERSION3); + SVGA_CASE_ID2STR(SVGA_REG_CURSOR_MOBID); + SVGA_CASE_ID2STR(SVGA_REG_CURSOR_MAX_BYTE_SIZE); + SVGA_CASE_ID2STR(SVGA_REG_CURSOR_MAX_DIMENSION); + SVGA_CASE_ID2STR(SVGA_REG_FIFO_CAPS); + SVGA_CASE_ID2STR(SVGA_REG_FENCE); + SVGA_CASE_ID2STR(SVGA_REG_RESERVED1); + SVGA_CASE_ID2STR(SVGA_REG_RESERVED2); + SVGA_CASE_ID2STR(SVGA_REG_RESERVED3); + SVGA_CASE_ID2STR(SVGA_REG_RESERVED4); + SVGA_CASE_ID2STR(SVGA_REG_RESERVED5); + SVGA_CASE_ID2STR(SVGA_REG_SCREENDMA); + SVGA_CASE_ID2STR(SVGA_REG_GBOBJECT_MEM_SIZE_KB); + SVGA_CASE_ID2STR(SVGA_REG_TOP); /* Must be 1 more than the last register */ + + default: + if (idxReg - (uint32_t)SVGA_SCRATCH_BASE < pThis->svga.cScratchRegion) + return "SVGA_SCRATCH_BASE reg"; + if (idxReg - (uint32_t)SVGA_PALETTE_BASE < (uint32_t)SVGA_NUM_PALETTE_REGS) + return "SVGA_PALETTE_BASE reg"; + return "UNKNOWN"; + } +} +#endif /* LOG_ENABLED */ + +#if defined(LOG_ENABLED) || (defined(IN_RING3) && defined(VBOX_WITH_VMSVGA3D)) +static const char *vmsvgaDevCapIndexToString(SVGA3dDevCapIndex idxDevCap) +{ + AssertCompile(SVGA3D_DEVCAP_MAX == 260); + switch (idxDevCap) + { + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_INVALID); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_3D); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_LIGHTS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_TEXTURES); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_CLIP_PLANES); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_VERTEX_SHADER_VERSION); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_VERTEX_SHADER); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_FRAGMENT_SHADER); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_RENDER_TARGETS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_S23E8_TEXTURES); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_S10E5_TEXTURES); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_FIXED_VERTEXBLEND); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_D16_BUFFER_FORMAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_D24S8_BUFFER_FORMAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_D24X8_BUFFER_FORMAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_QUERY_TYPES); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_TEXTURE_GRADIENT_SAMPLING); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_POINT_SIZE); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_SHADER_TEXTURES); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_VOLUME_EXTENT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_TEXTURE_REPEAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_TEXTURE_ASPECT_RATIO); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_PRIMITIVE_COUNT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_VERTEX_INDEX); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_INSTRUCTIONS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_TEXTURE_OPS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_X8R8G8B8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_A8R8G8B8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_A2R10G10B10); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_X1R5G5B5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_A1R5G5B5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_A4R4G4B4); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_R5G6B5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8_ALPHA8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_ALPHA8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_Z_D16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_Z_D24X8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_DXT1); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_DXT2); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_DXT3); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_DXT4); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_DXT5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_BUMPX8L8V8U8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_A2W10V10U10); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_BUMPU8V8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_Q8W8V8U8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_CxV8U8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_R_S10E5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_R_S23E8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_RG_S10E5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_RG_S23E8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_ARGB_S10E5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_ARGB_S23E8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MISSING62); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEXTURES); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_SIMULTANEOUS_RENDER_TARGETS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_V16U16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_G16R16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_A16B16G16R16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_UYVY); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_YUY2); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD4); /* SVGA3D_DEVCAP_MULTISAMPLE_NONMASKABLESAMPLES */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD5); /* SVGA3D_DEVCAP_MULTISAMPLE_MASKABLESAMPLES */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD7); /* SVGA3D_DEVCAP_ALPHATOCOVERAGE */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD6); /* SVGA3D_DEVCAP_SUPERSAMPLE */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_AUTOGENMIPMAPS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_NV12); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD10); /* SVGA3D_DEVCAP_SURFACEFMT_AYUV */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_CONTEXT_IDS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_SURFACE_IDS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_Z_DF16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_Z_DF24); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8_INT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_ATI1); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_ATI2); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD1); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD8); /* SVGA3D_DEVCAP_VIDEO_DECODE */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD9); /* SVGA3D_DEVCAP_VIDEO_PROCESS */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_LINE_AA); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_LINE_STIPPLE); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_LINE_WIDTH); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX_AA_LINE_WIDTH); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SURFACEFMT_YV12); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD3); /* Old SVGA3D_DEVCAP_LOGICOPS */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_TS_COLOR_KEY); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD2); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXCONTEXT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DEAD11); /* SVGA3D_DEVCAP_MAX_TEXTURE_ARRAY_SIZE */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DX_MAX_VERTEXBUFFERS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DX_MAX_CONSTANT_BUFFERS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DX_PROVOKING_VERTEX); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_X8R8G8B8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_A8R8G8B8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R5G6B5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_X1R5G5B5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_A1R5G5B5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_A4R4G4B4); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Z_D32); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Z_D16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Z_D24S8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Z_D15S1); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_LUMINANCE8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_LUMINANCE4_ALPHA4); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_LUMINANCE16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_LUMINANCE8_ALPHA8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_DXT1); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_DXT2); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_DXT3); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_DXT4); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_DXT5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BUMPU8V8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BUMPL6V5U5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BUMPX8L8V8U8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_FORMAT_DEAD1); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_ARGB_S10E5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_ARGB_S23E8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_A2R10G10B10); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_V8U8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Q8W8V8U8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_CxV8U8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_X8L8V8U8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_A2W10V10U10); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_ALPHA8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R_S10E5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R_S23E8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_RG_S10E5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_RG_S23E8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BUFFER); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Z_D24X8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_V16U16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_G16R16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_A16B16G16R16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_UYVY); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_YUY2); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_NV12); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_FORMAT_DEAD2); /* SVGA3D_DEVCAP_DXFMT_AYUV */ + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32B32A32_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32B32A32_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32B32A32_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32B32_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32B32_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32B32_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32B32_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16B16A16_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16B16A16_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16B16A16_SNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16B16A16_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G8X24_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_D32_FLOAT_S8X24_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32_FLOAT_X8X24); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_X32_G8X24_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R10G10B10A2_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R10G10B10A2_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R11G11B10_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8B8A8_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8B8A8_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8B8A8_UNORM_SRGB); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8B8A8_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8B8A8_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_D32_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R24G8_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_D24_UNORM_S8_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R24_UNORM_X8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_X24_G8_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16_SNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8_UINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8_SNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8_SINT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_P8); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R9G9B9E5_SHAREDEXP); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8_B8G8_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_G8R8_G8B8_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC1_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC1_UNORM_SRGB); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC2_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC2_UNORM_SRGB); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC3_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC3_UNORM_SRGB); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC4_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_ATI1); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC4_SNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC5_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_ATI2); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC5_SNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R10G10B10_XR_BIAS_A2_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_B8G8R8A8_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_B8G8R8A8_UNORM_SRGB); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_B8G8R8X8_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_B8G8R8X8_UNORM_SRGB); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Z_DF16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Z_DF24); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_Z_D24S8_INT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_YV12); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32B32A32_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16B16A16_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16B16A16_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32G32_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R10G10B10A2_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8B8A8_SNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16G16_SNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R32_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R8G8_SNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_R16_FLOAT); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_D16_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_A8_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC1_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC2_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC3_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_B5G6R5_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_B5G5R5A1_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_B8G8R8A8_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_B8G8R8X8_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC4_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC5_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SM41); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MULTISAMPLE_2X); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MULTISAMPLE_4X); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MS_FULL_QUALITY); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_LOGICOPS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_LOGIC_BLENDOPS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_RESERVED_1); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC6H_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC6H_UF16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC6H_SF16); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC7_TYPELESS); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC7_UNORM); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_DXFMT_BC7_UNORM_SRGB); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_RESERVED_2); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_SM5); + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MULTISAMPLE_8X); + + SVGA_CASE_ID2STR(SVGA3D_DEVCAP_MAX); + + default: + break; + } + return "UNKNOWN"; +} +#endif /* defined(LOG_ENABLED) || (defined(IN_RING3) && defined(VBOX_WITH_VMSVGA3D)) */ +#undef SVGA_CASE_ID2STR + + +#ifdef IN_RING3 + +/** + * @interface_method_impl{PDMIDISPLAYPORT,pfnSetViewport} + */ +DECLCALLBACK(void) vmsvgaR3PortSetViewport(PPDMIDISPLAYPORT pInterface, uint32_t idScreen, uint32_t x, uint32_t y, uint32_t cx, uint32_t cy) +{ + PVGASTATECC pThisCC = RT_FROM_MEMBER(pInterface, VGASTATECC, IPort); + PVGASTATE pThis = PDMDEVINS_2_DATA(pThisCC->pDevIns, PVGASTATE); + + Log(("vmsvgaPortSetViewPort: screen %d (%d,%d)(%d,%d)\n", idScreen, x, y, cx, cy)); + VMSVGAVIEWPORT const OldViewport = pThis->svga.viewport; + + /** @todo Test how it interacts with multiple screen objects. */ + VMSVGASCREENOBJECT *pScreen = vmsvgaR3GetScreenObject(pThisCC, idScreen); + uint32_t const uWidth = pScreen ? pScreen->cWidth : 0; + uint32_t const uHeight = pScreen ? pScreen->cHeight : 0; + + if (x < uWidth) + { + pThis->svga.viewport.x = x; + pThis->svga.viewport.cx = RT_MIN(cx, uWidth - x); + pThis->svga.viewport.xRight = x + pThis->svga.viewport.cx; + } + else + { + pThis->svga.viewport.x = uWidth; + pThis->svga.viewport.cx = 0; + pThis->svga.viewport.xRight = uWidth; + } + if (y < uHeight) + { + pThis->svga.viewport.y = y; + pThis->svga.viewport.cy = RT_MIN(cy, uHeight - y); + pThis->svga.viewport.yLowWC = uHeight - y - pThis->svga.viewport.cy; + pThis->svga.viewport.yHighWC = uHeight - y; + } + else + { + pThis->svga.viewport.y = uHeight; + pThis->svga.viewport.cy = 0; + pThis->svga.viewport.yLowWC = 0; + pThis->svga.viewport.yHighWC = 0; + } + +# ifdef VBOX_WITH_VMSVGA3D + /* + * Now inform the 3D backend. + */ + if (pThis->svga.f3DEnabled) + vmsvga3dUpdateHostScreenViewport(pThisCC, idScreen, &OldViewport); +# else + RT_NOREF(OldViewport); +# endif +} + + +/** + * Updating screen information in API + * + * @param pThis The The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + */ +void vmsvgaR3VBVAResize(PVGASTATE pThis, PVGASTATECC pThisCC) +{ + int rc; + + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + + for (unsigned iScreen = 0; iScreen < RT_ELEMENTS(pSVGAState->aScreens); ++iScreen) + { + VMSVGASCREENOBJECT *pScreen = &pSVGAState->aScreens[iScreen]; + if (!pScreen->fModified) + continue; + + pScreen->fModified = false; + + VBVAINFOVIEW view; + RT_ZERO(view); + view.u32ViewIndex = pScreen->idScreen; + // view.u32ViewOffset = 0; + view.u32ViewSize = pThis->vram_size; + view.u32MaxScreenSize = pThis->vram_size; + + VBVAINFOSCREEN screen; + RT_ZERO(screen); + screen.u32ViewIndex = pScreen->idScreen; + + if (pScreen->fDefined) + { + if ( pScreen->cWidth == VMSVGA_VAL_UNINITIALIZED + || pScreen->cHeight == VMSVGA_VAL_UNINITIALIZED + || pScreen->cBpp == VMSVGA_VAL_UNINITIALIZED) + { + Assert(pThis->svga.fGFBRegisters); + continue; + } + + screen.i32OriginX = pScreen->xOrigin; + screen.i32OriginY = pScreen->yOrigin; + screen.u32StartOffset = pScreen->offVRAM; + screen.u32LineSize = pScreen->cbPitch; + screen.u32Width = pScreen->cWidth; + screen.u32Height = pScreen->cHeight; + screen.u16BitsPerPixel = pScreen->cBpp; + if (!(pScreen->fuScreen & SVGA_SCREEN_DEACTIVATE)) + screen.u16Flags = VBVA_SCREEN_F_ACTIVE; + if (pScreen->fuScreen & SVGA_SCREEN_BLANKING) + screen.u16Flags |= VBVA_SCREEN_F_BLANK2; + } + else + { + /* Screen is destroyed. */ + screen.u16Flags = VBVA_SCREEN_F_DISABLED; + } + + void *pvVRAM = pScreen->pvScreenBitmap ? pScreen->pvScreenBitmap : pThisCC->pbVRam; + rc = pThisCC->pDrv->pfnVBVAResize(pThisCC->pDrv, &view, &screen, pvVRAM, /*fResetInputMapping=*/ true); + AssertRC(rc); + } +} + + +/** + * @interface_method_impl{PDMIDISPLAYPORT,pfnReportMonitorPositions} + * + * Used to update screen offsets (positions) since appearently vmwgfx fails to + * pass correct offsets thru FIFO. + */ +DECLCALLBACK(void) vmsvgaR3PortReportMonitorPositions(PPDMIDISPLAYPORT pInterface, uint32_t cPositions, PCRTPOINT paPositions) +{ + PVGASTATECC pThisCC = RT_FROM_MEMBER(pInterface, VGASTATECC, IPort); + PVGASTATE pThis = PDMDEVINS_2_DATA(pThisCC->pDevIns, PVGASTATE); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + + AssertReturnVoid(pSVGAState); + + /* We assume cPositions is the # of outputs Xserver reports and paPositions is (-1, -1) for disabled monitors. */ + cPositions = RT_MIN(cPositions, RT_ELEMENTS(pSVGAState->aScreens)); + for (uint32_t i = 0; i < cPositions; ++i) + { + if ( pSVGAState->aScreens[i].xOrigin == paPositions[i].x + && pSVGAState->aScreens[i].yOrigin == paPositions[i].y) + continue; + + if (paPositions[i].x == -1) + continue; + if (paPositions[i].y == -1) + continue; + + pSVGAState->aScreens[i].xOrigin = paPositions[i].x; + pSVGAState->aScreens[i].yOrigin = paPositions[i].y; + pSVGAState->aScreens[i].fModified = true; + } + + vmsvgaR3VBVAResize(pThis, pThisCC); +} + +#endif /* IN_RING3 */ + +/** + * Read port register + * + * @returns VBox status code. + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA state. + * @param pu32 Where to store the read value + */ +static int vmsvgaReadPort(PPDMDEVINS pDevIns, PVGASTATE pThis, uint32_t *pu32) +{ +#ifdef IN_RING3 + PVGASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); +#endif + int rc = VINF_SUCCESS; + *pu32 = 0; + + /* Rough index register validation. */ + uint32_t idxReg = pThis->svga.u32IndexReg; +#if !defined(IN_RING3) && defined(VBOX_STRICT) + ASSERT_GUEST_MSG_RETURN(idxReg < SVGA_SCRATCH_BASE + pThis->svga.cScratchRegion, ("idxReg=%#x\n", idxReg), + VINF_IOM_R3_IOPORT_READ); +#else + ASSERT_GUEST_MSG_STMT_RETURN(idxReg < SVGA_SCRATCH_BASE + pThis->svga.cScratchRegion, ("idxReg=%#x\n", idxReg), + STAM_REL_COUNTER_INC(&pThis->svga.StatRegUnknownRd), + VINF_SUCCESS); +#endif + RT_UNTRUSTED_VALIDATED_FENCE(); + + /* We must adjust the register number if we're in SVGA_ID_0 mode because the PALETTE range moved. */ + if ( idxReg >= SVGA_REG_ID_0_TOP + && pThis->svga.u32SVGAId == SVGA_ID_0) + { + idxReg += SVGA_PALETTE_BASE - SVGA_REG_ID_0_TOP; + Log(("vmsvgaWritePort: SVGA_ID_0 reg adj %#x -> %#x\n", pThis->svga.u32IndexReg, idxReg)); + } + + switch (idxReg) + { + case SVGA_REG_ID: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegIdRd); + *pu32 = pThis->svga.u32SVGAId; + break; + + case SVGA_REG_ENABLE: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegEnableRd); + *pu32 = pThis->svga.fEnabled; + break; + + case SVGA_REG_WIDTH: + { + STAM_REL_COUNTER_INC(&pThis->svga.StatRegWidthRd); + if ( pThis->svga.fEnabled + && pThis->svga.uWidth != VMSVGA_VAL_UNINITIALIZED) + *pu32 = pThis->svga.uWidth; + else + { +#ifndef IN_RING3 + rc = VINF_IOM_R3_IOPORT_READ; +#else + *pu32 = pThisCC->pDrv->cx; +#endif + } + break; + } + + case SVGA_REG_HEIGHT: + { + STAM_REL_COUNTER_INC(&pThis->svga.StatRegHeightRd); + if ( pThis->svga.fEnabled + && pThis->svga.uHeight != VMSVGA_VAL_UNINITIALIZED) + *pu32 = pThis->svga.uHeight; + else + { +#ifndef IN_RING3 + rc = VINF_IOM_R3_IOPORT_READ; +#else + *pu32 = pThisCC->pDrv->cy; +#endif + } + break; + } + + case SVGA_REG_MAX_WIDTH: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegMaxWidthRd); + *pu32 = pThis->svga.u32MaxWidth; + break; + + case SVGA_REG_MAX_HEIGHT: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegMaxHeightRd); + *pu32 = pThis->svga.u32MaxHeight; + break; + + case SVGA_REG_DEPTH: + /* This returns the color depth of the current mode. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDepthRd); + switch (pThis->svga.uBpp) + { + case 15: + case 16: + case 24: + *pu32 = pThis->svga.uBpp; + break; + + default: + case 32: + *pu32 = 24; /* The upper 8 bits are either alpha bits or not used. */ + break; + } + break; + + case SVGA_REG_HOST_BITS_PER_PIXEL: /* (Deprecated) */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegHostBitsPerPixelRd); + *pu32 = pThis->svga.uHostBpp; + break; + + case SVGA_REG_BITS_PER_PIXEL: /* Current bpp in the guest */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegBitsPerPixelRd); + *pu32 = pThis->svga.uBpp; + break; + + case SVGA_REG_PSEUDOCOLOR: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegPsuedoColorRd); + *pu32 = pThis->svga.uBpp == 8; /* See section 6 "Pseudocolor" in svga_interface.txt. */ + break; + + case SVGA_REG_RED_MASK: + case SVGA_REG_GREEN_MASK: + case SVGA_REG_BLUE_MASK: + { + uint32_t uBpp; + + if (pThis->svga.fEnabled) + uBpp = pThis->svga.uBpp; + else + uBpp = pThis->svga.uHostBpp; + + uint32_t u32RedMask, u32GreenMask, u32BlueMask; + switch (uBpp) + { + case 8: + u32RedMask = 0x07; + u32GreenMask = 0x38; + u32BlueMask = 0xc0; + break; + + case 15: + u32RedMask = 0x0000001f; + u32GreenMask = 0x000003e0; + u32BlueMask = 0x00007c00; + break; + + case 16: + u32RedMask = 0x0000001f; + u32GreenMask = 0x000007e0; + u32BlueMask = 0x0000f800; + break; + + case 24: + case 32: + default: + u32RedMask = 0x00ff0000; + u32GreenMask = 0x0000ff00; + u32BlueMask = 0x000000ff; + break; + } + switch (idxReg) + { + case SVGA_REG_RED_MASK: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegRedMaskRd); + *pu32 = u32RedMask; + break; + + case SVGA_REG_GREEN_MASK: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGreenMaskRd); + *pu32 = u32GreenMask; + break; + + case SVGA_REG_BLUE_MASK: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegBlueMaskRd); + *pu32 = u32BlueMask; + break; + } + break; + } + + case SVGA_REG_BYTES_PER_LINE: + { + STAM_REL_COUNTER_INC(&pThis->svga.StatRegBytesPerLineRd); + if ( pThis->svga.fEnabled + && pThis->svga.cbScanline) + *pu32 = pThis->svga.cbScanline; + else + { +#ifndef IN_RING3 + rc = VINF_IOM_R3_IOPORT_READ; +#else + *pu32 = pThisCC->pDrv->cbScanline; +#endif + } + break; + } + + case SVGA_REG_VRAM_SIZE: /* VRAM size */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegVramSizeRd); + *pu32 = pThis->vram_size; + break; + + case SVGA_REG_FB_START: /* Frame buffer physical address. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegFbStartRd); + Assert(pThis->GCPhysVRAM <= 0xffffffff); + *pu32 = pThis->GCPhysVRAM; + break; + + case SVGA_REG_FB_OFFSET: /* Offset of the frame buffer in VRAM */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegFbOffsetRd); + /* Always zero in our case. */ + *pu32 = 0; + break; + + case SVGA_REG_FB_SIZE: /* Frame buffer size */ + { +#ifndef IN_RING3 + rc = VINF_IOM_R3_IOPORT_READ; +#else + STAM_REL_COUNTER_INC(&pThis->svga.StatRegFbSizeRd); + + /* VMWare testcases want at least 4 MB in case the hardware is disabled. */ + if ( pThis->svga.fEnabled + && pThis->svga.uHeight != VMSVGA_VAL_UNINITIALIZED) + { + /* Hardware enabled; return real framebuffer size .*/ + *pu32 = (uint32_t)pThis->svga.uHeight * pThis->svga.cbScanline; + } + else + *pu32 = RT_MAX(0x100000, (uint32_t)pThisCC->pDrv->cy * pThisCC->pDrv->cbScanline); + + *pu32 = RT_MIN(pThis->vram_size, *pu32); + Log(("h=%d w=%d bpp=%d\n", pThisCC->pDrv->cy, pThisCC->pDrv->cx, pThisCC->pDrv->cBits)); +#endif + break; + } + + case SVGA_REG_CAPABILITIES: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCapabilitesRd); + *pu32 = pThis->svga.u32DeviceCaps; + break; + + case SVGA_REG_MEM_START: /* FIFO start */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegMemStartRd); + Assert(pThis->svga.GCPhysFIFO <= 0xffffffff); + *pu32 = pThis->svga.GCPhysFIFO; + break; + + case SVGA_REG_MEM_SIZE: /* FIFO size */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegMemSizeRd); + *pu32 = pThis->svga.cbFIFO; + break; + + case SVGA_REG_CONFIG_DONE: /* Set when memory area configured */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegConfigDoneRd); + *pu32 = pThis->svga.fConfigured; + break; + + case SVGA_REG_SYNC: /* See "FIFO Synchronization Registers" */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegSyncRd); + *pu32 = 0; + break; + + case SVGA_REG_BUSY: /* See "FIFO Synchronization Registers" */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegBusyRd); + if (pThis->svga.fBusy) + { +#ifndef IN_RING3 + /* Go to ring-3 and halt the CPU. */ + rc = VINF_IOM_R3_IOPORT_READ; + RT_NOREF(pDevIns); + break; +#else /* IN_RING3 */ +# if defined(VMSVGA_USE_EMT_HALT_CODE) + /* The guest is basically doing a HLT via the device here, but with + a special wake up condition on FIFO completion. */ + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + STAM_REL_PROFILE_START(&pSVGAState->StatBusyDelayEmts, EmtDelay); + VMCPUID idCpu = PDMDevHlpGetCurrentCpuId(pDevIns); + VMCPUSET_ATOMIC_ADD(&pSVGAState->BusyDelayedEmts, idCpu); + ASMAtomicIncU32(&pSVGAState->cBusyDelayedEmts); + if (pThis->svga.fBusy) + { + PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); /* hack around lock order issue. */ + rc = PDMDevHlpVMWaitForDeviceReady(pDevIns, idCpu); + int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_IGNORED); + PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); + } + ASMAtomicDecU32(&pSVGAState->cBusyDelayedEmts); + VMCPUSET_ATOMIC_DEL(&pSVGAState->BusyDelayedEmts, idCpu); +# else + + /* Delay the EMT a bit so the FIFO and others can get some work done. + This used to be a crude 50 ms sleep. The current code tries to be + more efficient, but the consept is still very crude. */ + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + STAM_REL_PROFILE_START(&pSVGAState->StatBusyDelayEmts, EmtDelay); + RTThreadYield(); + if (pThis->svga.fBusy) + { + uint32_t cRefs = ASMAtomicIncU32(&pSVGAState->cBusyDelayedEmts); + + if (pThis->svga.fBusy && cRefs == 1) + RTSemEventMultiReset(pSVGAState->hBusyDelayedEmts); + if (pThis->svga.fBusy) + { + /** @todo If this code is going to stay, we need to call into the halt/wait + * code in VMEmt.cpp here, otherwise all kind of EMT interaction will + * suffer when the guest is polling on a busy FIFO. */ + uint64_t uIgnored1, uIgnored2; + uint64_t cNsMaxWait = TMVirtualSyncGetNsToDeadline(PDMDevHlpGetVM(pDevIns), &uIgnored1, &uIgnored2); + if (cNsMaxWait >= RT_NS_100US) + RTSemEventMultiWaitEx(pSVGAState->hBusyDelayedEmts, + RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_RELATIVE | RTSEMWAIT_FLAGS_NORESUME, + RT_MIN(cNsMaxWait, RT_NS_10MS)); + } + + ASMAtomicDecU32(&pSVGAState->cBusyDelayedEmts); + } + STAM_REL_PROFILE_STOP(&pSVGAState->StatBusyDelayEmts, EmtDelay); +# endif + *pu32 = pThis->svga.fBusy != 0; +#endif /* IN_RING3 */ + } + else + *pu32 = false; + break; + + case SVGA_REG_GUEST_ID: /* Set guest OS identifier */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGuestIdRd); + *pu32 = pThis->svga.u32GuestId; + break; + + case SVGA_REG_SCRATCH_SIZE: /* Number of scratch registers */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegScratchSizeRd); + *pu32 = pThis->svga.cScratchRegion; + break; + + case SVGA_REG_MEM_REGS: /* Number of FIFO registers */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegMemRegsRd); + *pu32 = SVGA_FIFO_NUM_REGS; + break; + + case SVGA_REG_PITCHLOCK: /* Fixed pitch for all modes */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegPitchLockRd); + *pu32 = pThis->svga.u32PitchLock; + break; + + case SVGA_REG_IRQMASK: /* Interrupt mask */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegIrqMaskRd); + *pu32 = pThis->svga.u32IrqMask; + break; + + /* See "Guest memory regions" below. */ + case SVGA_REG_GMR_ID: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGmrIdRd); + *pu32 = pThis->svga.u32CurrentGMRId; + break; + + case SVGA_REG_GMR_DESCRIPTOR: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegWriteOnlyRd); + /* Write only */ + *pu32 = 0; + break; + + case SVGA_REG_GMR_MAX_IDS: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGmrMaxIdsRd); + *pu32 = pThis->svga.cGMR; + break; + + case SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGmrMaxDescriptorLengthRd); + *pu32 = VMSVGA_MAX_GMR_PAGES; + break; + + case SVGA_REG_TRACES: /* Enable trace-based updates even when FIFO is on */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegTracesRd); + *pu32 = pThis->svga.fTraces; + break; + + case SVGA_REG_GMRS_MAX_PAGES: /* Maximum number of 4KB pages for all GMRs */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGmrsMaxPagesRd); + *pu32 = VMSVGA_MAX_GMR_PAGES; + break; + + case SVGA_REG_MEMORY_SIZE: /* Total dedicated device memory excluding FIFO */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegMemorySizeRd); + *pu32 = VMSVGA_SURFACE_SIZE; + break; + + case SVGA_REG_TOP: /* Must be 1 more than the last register */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegTopRd); + break; + + /* Mouse cursor support. */ + case SVGA_REG_DEAD: /* SVGA_REG_CURSOR_ID */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCursorIdRd); + *pu32 = pThis->svga.uCursorID; + break; + + case SVGA_REG_CURSOR_X: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCursorXRd); + *pu32 = pThis->svga.uCursorX; + break; + + case SVGA_REG_CURSOR_Y: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCursorYRd); + *pu32 = pThis->svga.uCursorY; + break; + + case SVGA_REG_CURSOR_ON: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCursorOnRd); + *pu32 = pThis->svga.uCursorOn; + break; + + /* Legacy multi-monitor support */ + case SVGA_REG_NUM_GUEST_DISPLAYS:/* Number of guest displays in X/Y direction */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegNumGuestDisplaysRd); + *pu32 = 1; + break; + + case SVGA_REG_DISPLAY_ID: /* Display ID for the following display attributes */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayIdRd); + *pu32 = 0; + break; + + case SVGA_REG_DISPLAY_IS_PRIMARY:/* Whether this is a primary display */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayIsPrimaryRd); + *pu32 = 0; + break; + + case SVGA_REG_DISPLAY_POSITION_X:/* The display position x */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayPositionXRd); + *pu32 = 0; + break; + + case SVGA_REG_DISPLAY_POSITION_Y:/* The display position y */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayPositionYRd); + *pu32 = 0; + break; + + case SVGA_REG_DISPLAY_WIDTH: /* The display's width */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayWidthRd); + *pu32 = pThis->svga.uWidth; + break; + + case SVGA_REG_DISPLAY_HEIGHT: /* The display's height */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayHeightRd); + *pu32 = pThis->svga.uHeight; + break; + + case SVGA_REG_NUM_DISPLAYS: /* (Deprecated) */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegNumDisplaysRd); + /* We must return something sensible here otherwise the Linux driver + will take a legacy code path without 3d support. This number also + limits how many screens Linux guests will allow. */ + *pu32 = pThis->cMonitors; + break; + + /* + * SVGA_CAP_GBOBJECTS+ registers. + */ + case SVGA_REG_COMMAND_LOW: + /* Lower 32 bits of command buffer physical address. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCommandLowRd); + *pu32 = pThis->svga.u32RegCommandLow; + break; + + case SVGA_REG_COMMAND_HIGH: + /* Upper 32 bits of command buffer PA. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCommandHighRd); + *pu32 = pThis->svga.u32RegCommandHigh; + break; + + case SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM: + /* Max primary (screen) memory. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegMaxPrimBBMemRd); + *pu32 = pThis->vram_size; /** @todo Maybe half VRAM? */ + break; + + case SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB: + /* Suggested limit on mob mem (i.e. size of the guest mapped VRAM in KB) */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGBMemSizeRd); + *pu32 = pThis->vram_size / 1024; + break; + + case SVGA_REG_DEV_CAP: + /* Write dev cap index, read value */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDevCapRd); + if (pThis->svga.u32DevCapIndex < RT_ELEMENTS(pThis->svga.au32DevCaps)) + { + RT_UNTRUSTED_VALIDATED_FENCE(); + *pu32 = pThis->svga.au32DevCaps[pThis->svga.u32DevCapIndex]; + } + else + *pu32 = 0; + break; + + case SVGA_REG_CMD_PREPEND_LOW: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCmdPrependLowRd); + *pu32 = 0; /* Not supported. */ + break; + + case SVGA_REG_CMD_PREPEND_HIGH: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCmdPrependHighRd); + *pu32 = 0; /* Not supported. */ + break; + + case SVGA_REG_SCREENTARGET_MAX_WIDTH: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegScrnTgtMaxWidthRd); + *pu32 = pThis->svga.u32MaxWidth; + break; + + case SVGA_REG_SCREENTARGET_MAX_HEIGHT: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegScrnTgtMaxHeightRd); + *pu32 = pThis->svga.u32MaxHeight; + break; + + case SVGA_REG_MOB_MAX_SIZE: + /* Essentially the max texture size */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegMobMaxSizeRd); + *pu32 = _128M; /** @todo Some actual value. Probably the mapped VRAM size. */ + break; + + case SVGA_REG_BLANK_SCREEN_TARGETS: + /// @todo STAM_REL_COUNTER_INC(&pThis->svga.aStatRegRd[idxReg]); + *pu32 = 0; /* Not supported. */ + break; + + case SVGA_REG_CAP2: + *pu32 = pThis->svga.u32DeviceCaps2; + break; + + case SVGA_REG_DEVEL_CAP: + *pu32 = 0; /* Not supported. */ + break; + + /* + * SVGA_REG_GUEST_DRIVER_* registers require SVGA_CAP2_DX2. + */ + case SVGA_REG_GUEST_DRIVER_ID: + *pu32 = pThis->svga.u32GuestDriverId; + break; + + case SVGA_REG_GUEST_DRIVER_VERSION1: + *pu32 = pThis->svga.u32GuestDriverVer1; + break; + + case SVGA_REG_GUEST_DRIVER_VERSION2: + *pu32 = pThis->svga.u32GuestDriverVer2; + break; + + case SVGA_REG_GUEST_DRIVER_VERSION3: + *pu32 = pThis->svga.u32GuestDriverVer3; + break; + + /* + * SVGA_REG_CURSOR_ registers require SVGA_CAP2_CURSOR_MOB which the device does not support currently. + */ + case SVGA_REG_CURSOR_MOBID: + *pu32 = SVGA_ID_INVALID; + break; + + case SVGA_REG_CURSOR_MAX_BYTE_SIZE: + *pu32 = 0; + break; + + case SVGA_REG_CURSOR_MAX_DIMENSION: + *pu32 = 0; + break; + + case SVGA_REG_FIFO_CAPS: + case SVGA_REG_FENCE: /* Same as SVGA_FIFO_FENCE for PCI_ID_SVGA3. Our device is PCI_ID_SVGA2 so not supported. */ + case SVGA_REG_RESERVED1: /* SVGA_REG_RESERVED* correspond to SVGA_REG_CURSOR4_*. Require SVGA_CAP2_EXTRA_REGS. */ + case SVGA_REG_RESERVED2: + case SVGA_REG_RESERVED3: + case SVGA_REG_RESERVED4: + case SVGA_REG_RESERVED5: + case SVGA_REG_SCREENDMA: + *pu32 = 0; /* Not supported. */ + break; + + case SVGA_REG_GBOBJECT_MEM_SIZE_KB: + /** @todo "The maximum amount of guest-backed objects that the device can have resident at a time" */ + *pu32 = _1G / _1K; + break; + + default: + { + uint32_t offReg; + if ((offReg = idxReg - SVGA_SCRATCH_BASE) < pThis->svga.cScratchRegion) + { + STAM_REL_COUNTER_INC(&pThis->svga.StatRegScratchRd); + RT_UNTRUSTED_VALIDATED_FENCE(); + *pu32 = pThis->svga.au32ScratchRegion[offReg]; + } + else if ((offReg = idxReg - SVGA_PALETTE_BASE) < (uint32_t)SVGA_NUM_PALETTE_REGS) + { + /* Note! Using last_palette rather than palette here to preserve the VGA one. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegPaletteRd); + RT_UNTRUSTED_VALIDATED_FENCE(); + uint32_t u32 = pThis->last_palette[offReg / 3]; + switch (offReg % 3) + { + case 0: *pu32 = (u32 >> 16) & 0xff; break; /* red */ + case 1: *pu32 = (u32 >> 8) & 0xff; break; /* green */ + case 2: *pu32 = u32 & 0xff; break; /* blue */ + } + } + else + { +#if !defined(IN_RING3) && defined(VBOX_STRICT) + rc = VINF_IOM_R3_IOPORT_READ; +#else + STAM_REL_COUNTER_INC(&pThis->svga.StatRegUnknownRd); + + /* Do not assert. The guest might be reading all registers. */ + LogFunc(("Unknown reg=%#x\n", idxReg)); +#endif + } + break; + } + } + LogFlow(("vmsvgaReadPort index=%s (%d) val=%#x rc=%x\n", vmsvgaIndexToString(pThis, idxReg), idxReg, *pu32, rc)); + return rc; +} + +#ifdef IN_RING3 +/** + * Apply the current resolution settings to change the video mode. + * + * @returns VBox status code. + * @param pThis The shared VGA state. + * @param pThisCC The ring-3 VGA state. + */ +int vmsvgaR3ChangeMode(PVGASTATE pThis, PVGASTATECC pThisCC) +{ + /* Always do changemode on FIFO thread. */ + Assert(RTThreadSelf() == pThisCC->svga.pFIFOIOThread->Thread); + + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + + pThisCC->pDrv->pfnLFBModeChange(pThisCC->pDrv, true); + + if (pThis->svga.fGFBRegisters) + { + /* "For backwards compatibility, when the GFB mode registers (WIDTH, + * HEIGHT, PITCHLOCK, BITS_PER_PIXEL) are modified, the SVGA device + * deletes all screens other than screen #0, and redefines screen + * #0 according to the specified mode. Drivers that use + * SVGA_CMD_DEFINE_SCREEN should destroy or redefine screen #0." + */ + + VMSVGASCREENOBJECT *pScreen = &pSVGAState->aScreens[0]; + Assert(pScreen->idScreen == 0); + pScreen->fDefined = true; + pScreen->fModified = true; + pScreen->fuScreen = SVGA_SCREEN_MUST_BE_SET | SVGA_SCREEN_IS_PRIMARY; + pScreen->xOrigin = 0; + pScreen->yOrigin = 0; + pScreen->offVRAM = 0; + pScreen->cbPitch = pThis->svga.cbScanline; + pScreen->cWidth = pThis->svga.uWidth; + pScreen->cHeight = pThis->svga.uHeight; + pScreen->cBpp = pThis->svga.uBpp; + + for (unsigned iScreen = 1; iScreen < RT_ELEMENTS(pSVGAState->aScreens); ++iScreen) + { + /* Delete screen. */ + pScreen = &pSVGAState->aScreens[iScreen]; + if (pScreen->fDefined) + { + pScreen->fModified = true; + pScreen->fDefined = false; + } + } + } + else + { + /* "If Screen Objects are supported, they can be used to fully + * replace the functionality provided by the framebuffer registers + * (SVGA_REG_WIDTH, HEIGHT, etc.) and by SVGA_CAP_DISPLAY_TOPOLOGY." + */ + pThis->svga.uWidth = VMSVGA_VAL_UNINITIALIZED; + pThis->svga.uHeight = VMSVGA_VAL_UNINITIALIZED; + pThis->svga.uBpp = pThis->svga.uHostBpp; + } + + vmsvgaR3VBVAResize(pThis, pThisCC); + + /* Last stuff. For the VGA device screenshot. */ + pThis->last_bpp = pSVGAState->aScreens[0].cBpp; + pThis->last_scr_width = pSVGAState->aScreens[0].cWidth; + pThis->last_scr_height = pSVGAState->aScreens[0].cHeight; + pThis->last_width = pSVGAState->aScreens[0].cWidth; + pThis->last_height = pSVGAState->aScreens[0].cHeight; + + /* vmsvgaPortSetViewPort not called after state load; set sensible defaults. */ + if ( pThis->svga.viewport.cx == 0 + && pThis->svga.viewport.cy == 0) + { + pThis->svga.viewport.cx = pSVGAState->aScreens[0].cWidth; + pThis->svga.viewport.xRight = pSVGAState->aScreens[0].cWidth; + pThis->svga.viewport.cy = pSVGAState->aScreens[0].cHeight; + pThis->svga.viewport.yHighWC = pSVGAState->aScreens[0].cHeight; + pThis->svga.viewport.yLowWC = 0; + } + + return VINF_SUCCESS; +} + +int vmsvgaR3UpdateScreen(PVGASTATECC pThisCC, VMSVGASCREENOBJECT *pScreen, int x, int y, int w, int h) +{ + ASSERT_GUEST_LOGREL_MSG_RETURN(w > 0 && h > 0, + ("vmsvgaR3UpdateScreen: screen %d (%d,%d) %dx%d: Invalid height and/or width supplied.\n", + pScreen->idScreen, x, y, w, h), + VERR_INVALID_PARAMETER); + + VBVACMDHDR cmd; + cmd.x = (int16_t)(pScreen->xOrigin + x); + cmd.y = (int16_t)(pScreen->yOrigin + y); + cmd.w = (uint16_t)w; + cmd.h = (uint16_t)h; + + pThisCC->pDrv->pfnVBVAUpdateBegin(pThisCC->pDrv, pScreen->idScreen); + pThisCC->pDrv->pfnVBVAUpdateProcess(pThisCC->pDrv, pScreen->idScreen, &cmd, sizeof(cmd)); + pThisCC->pDrv->pfnVBVAUpdateEnd(pThisCC->pDrv, pScreen->idScreen, + pScreen->xOrigin + x, pScreen->yOrigin + y, w, h); + + return VINF_SUCCESS; +} + +#endif /* IN_RING3 */ +#if defined(IN_RING0) || defined(IN_RING3) + +/** + * Safely updates the SVGA_FIFO_BUSY register (in shared memory). + * + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for the current context. + * @param fState The busy state. + */ +DECLINLINE(void) vmsvgaHCSafeFifoBusyRegUpdate(PVGASTATE pThis, PVGASTATECC pThisCC, bool fState) +{ + ASMAtomicWriteU32(&pThisCC->svga.pau32FIFO[SVGA_FIFO_BUSY], fState); + + if (RT_UNLIKELY(fState != (pThis->svga.fBusy != 0))) + { + /* Race / unfortunately scheduling. Highly unlikly. */ + uint32_t cLoops = 64; + do + { + ASMNopPause(); + fState = (pThis->svga.fBusy != 0); + ASMAtomicWriteU32(&pThisCC->svga.pau32FIFO[SVGA_FIFO_BUSY], fState != 0); + } while (cLoops-- > 0 && fState != (pThis->svga.fBusy != 0)); + } +} + + +/** + * Update the scanline pitch in response to the guest changing mode + * width/bpp. + * + * @param pThis The shared VGA/VMSVGA state. + * @param pThisCC The VGA/VMSVGA state for the current context. + */ +DECLINLINE(void) vmsvgaHCUpdatePitch(PVGASTATE pThis, PVGASTATECC pThisCC) +{ + uint32_t RT_UNTRUSTED_VOLATILE_GUEST *pFIFO = pThisCC->svga.pau32FIFO; + uint32_t uFifoPitchLock = pFIFO[SVGA_FIFO_PITCHLOCK]; + uint32_t uRegPitchLock = pThis->svga.u32PitchLock; + uint32_t uFifoMin = pFIFO[SVGA_FIFO_MIN]; + + /* The SVGA_FIFO_PITCHLOCK register is only valid if SVGA_FIFO_MIN points past + * it. If SVGA_FIFO_MIN is small, there may well be data at the SVGA_FIFO_PITCHLOCK + * location but it has a different meaning. + */ + if ((uFifoMin / sizeof(uint32_t)) <= SVGA_FIFO_PITCHLOCK) + uFifoPitchLock = 0; + + /* Sanitize values. */ + if ((uFifoPitchLock < 200) || (uFifoPitchLock > 32768)) + uFifoPitchLock = 0; + if ((uRegPitchLock < 200) || (uRegPitchLock > 32768)) + uRegPitchLock = 0; + + /* Prefer the register value to the FIFO value.*/ + if (uRegPitchLock) + pThis->svga.cbScanline = uRegPitchLock; + else if (uFifoPitchLock) + pThis->svga.cbScanline = uFifoPitchLock; + else + pThis->svga.cbScanline = (uint32_t)pThis->svga.uWidth * (RT_ALIGN(pThis->svga.uBpp, 8) / 8); + + if ((uFifoMin / sizeof(uint32_t)) <= SVGA_FIFO_PITCHLOCK) + pThis->svga.u32PitchLock = pThis->svga.cbScanline; +} + +#endif /* IN_RING0 || IN_RING3 */ + +#ifdef IN_RING3 + +/** + * Sends cursor position and visibility information from legacy + * SVGA registers to the front-end. + */ +static void vmsvgaR3RegUpdateCursor(PVGASTATECC pThisCC, PVGASTATE pThis, uint32_t uCursorOn) +{ + /* + * Writing the X/Y/ID registers does not trigger changes; only writing the + * SVGA_REG_CURSOR_ON register does. That minimizes the overhead. + * We boldly assume that guests aren't stupid and aren't writing the CURSOR_ON + * register if they don't have to. + */ + uint32_t x, y, idScreen; + uint32_t fFlags = VBVA_CURSOR_VALID_DATA; + + x = pThis->svga.uCursorX; + y = pThis->svga.uCursorY; + idScreen = SVGA_ID_INVALID; /* The old register interface is single screen only. */ + + /* The original values for SVGA_REG_CURSOR_ON were off (0) and on (1); later, the values + * were extended as follows: + * + * SVGA_CURSOR_ON_HIDE 0 + * SVGA_CURSOR_ON_SHOW 1 + * SVGA_CURSOR_ON_REMOVE_FROM_FB 2 - cursor on but not in the framebuffer + * SVGA_CURSOR_ON_RESTORE_TO_FB 3 - cursor on, possibly in the framebuffer + * + * Since we never draw the cursor into the guest's framebuffer, we do not need to + * distinguish between the non-zero values but still remember them. + */ + if (RT_BOOL(pThis->svga.uCursorOn) != RT_BOOL(uCursorOn)) + { + LogRel2(("vmsvgaR3RegUpdateCursor: uCursorOn %d prev CursorOn %d (%d,%d)\n", uCursorOn, pThis->svga.uCursorOn, x, y)); + pThisCC->pDrv->pfnVBVAMousePointerShape(pThisCC->pDrv, RT_BOOL(uCursorOn), false, 0, 0, 0, 0, NULL); + } + pThis->svga.uCursorOn = uCursorOn; + pThisCC->pDrv->pfnVBVAReportCursorPosition(pThisCC->pDrv, fFlags, idScreen, x, y); +} + +#endif /* IN_RING3 */ + + +/** + * Write port register + * + * @returns Strict VBox status code. + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA state. + * @param pThisCC The VGA/VMSVGA state for the current context. + * @param u32 Value to write + */ +static VBOXSTRICTRC vmsvgaWritePort(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t u32) +{ +#ifdef IN_RING3 + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; +#endif + VBOXSTRICTRC rc = VINF_SUCCESS; + RT_NOREF(pThisCC); + + /* Rough index register validation. */ + uint32_t idxReg = pThis->svga.u32IndexReg; +#if !defined(IN_RING3) && defined(VBOX_STRICT) + ASSERT_GUEST_MSG_RETURN(idxReg < SVGA_SCRATCH_BASE + pThis->svga.cScratchRegion, ("idxReg=%#x\n", idxReg), + VINF_IOM_R3_IOPORT_WRITE); +#else + ASSERT_GUEST_MSG_STMT_RETURN(idxReg < SVGA_SCRATCH_BASE + pThis->svga.cScratchRegion, ("idxReg=%#x\n", idxReg), + STAM_REL_COUNTER_INC(&pThis->svga.StatRegUnknownWr), + VINF_SUCCESS); +#endif + RT_UNTRUSTED_VALIDATED_FENCE(); + + /* We must adjust the register number if we're in SVGA_ID_0 mode because the PALETTE range moved. */ + if ( idxReg >= SVGA_REG_ID_0_TOP + && pThis->svga.u32SVGAId == SVGA_ID_0) + { + idxReg += SVGA_PALETTE_BASE - SVGA_REG_ID_0_TOP; + Log(("vmsvgaWritePort: SVGA_ID_0 reg adj %#x -> %#x\n", pThis->svga.u32IndexReg, idxReg)); + } +#ifdef LOG_ENABLED + if (idxReg != SVGA_REG_DEV_CAP) + LogFlow(("vmsvgaWritePort index=%s (%d) val=%#x\n", vmsvgaIndexToString(pThis, idxReg), idxReg, u32)); + else + LogFlow(("vmsvgaWritePort index=%s (%d) val=%s (%d)\n", vmsvgaIndexToString(pThis, idxReg), idxReg, vmsvgaDevCapIndexToString((SVGA3dDevCapIndex)u32), u32)); +#endif + /* Check if the guest uses legacy registers. See vmsvgaR3ChangeMode */ + switch (idxReg) + { + case SVGA_REG_WIDTH: + case SVGA_REG_HEIGHT: + case SVGA_REG_PITCHLOCK: + case SVGA_REG_BITS_PER_PIXEL: + pThis->svga.fGFBRegisters = true; + break; + default: + break; + } + + switch (idxReg) + { + case SVGA_REG_ID: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegIdWr); + if ( u32 == SVGA_ID_0 + || u32 == SVGA_ID_1 + || u32 == SVGA_ID_2) + pThis->svga.u32SVGAId = u32; + else + PDMDevHlpDBGFStop(pDevIns, RT_SRC_POS, "Trying to set SVGA_REG_ID to %#x (%d)\n", u32, u32); + break; + + case SVGA_REG_ENABLE: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegEnableWr); +#ifdef IN_RING3 + if ( (u32 & SVGA_REG_ENABLE_ENABLE) + && pThis->svga.fEnabled == false) + { + /* Make a backup copy of the first 512kb in order to save font data etc. */ + /** @todo should probably swap here, rather than copy + zero */ + memcpy(pThisCC->svga.pbVgaFrameBufferR3, pThisCC->pbVRam, VMSVGA_VGA_FB_BACKUP_SIZE); + memset(pThisCC->pbVRam, 0, VMSVGA_VGA_FB_BACKUP_SIZE); + } + + pThis->svga.fEnabled = u32; + if (pThis->svga.fEnabled) + { + if ( pThis->svga.uWidth == VMSVGA_VAL_UNINITIALIZED + && pThis->svga.uHeight == VMSVGA_VAL_UNINITIALIZED) + { + /* Keep the current mode. */ + pThis->svga.uWidth = pThisCC->pDrv->cx; + pThis->svga.uHeight = pThisCC->pDrv->cy; + pThis->svga.uBpp = (pThisCC->pDrv->cBits + 7) & ~7; + vmsvgaHCUpdatePitch(pThis, pThisCC); + } + + if ( pThis->svga.uWidth != VMSVGA_VAL_UNINITIALIZED + && pThis->svga.uHeight != VMSVGA_VAL_UNINITIALIZED) + ASMAtomicOrU32(&pThis->svga.u32ActionFlags, VMSVGA_ACTION_CHANGEMODE); +# ifdef LOG_ENABLED + uint32_t *pFIFO = pThisCC->svga.pau32FIFO; + Log(("configured=%d busy=%d\n", pThis->svga.fConfigured, pFIFO[SVGA_FIFO_BUSY])); + Log(("next %x stop %x\n", pFIFO[SVGA_FIFO_NEXT_CMD], pFIFO[SVGA_FIFO_STOP])); +# endif + + /* Disable or enable dirty page tracking according to the current fTraces value. */ + vmsvgaR3SetTraces(pDevIns, pThis, !!pThis->svga.fTraces); + + /* bird: Whatever this is was added to make screenshot work, ask sunlover should explain... */ + for (uint32_t idScreen = 0; idScreen < pThis->cMonitors; ++idScreen) + pThisCC->pDrv->pfnVBVAEnable(pThisCC->pDrv, idScreen, NULL /*pHostFlags*/); + + /* Make the cursor visible again as needed. */ + if (pSVGAState->Cursor.fActive) + pThisCC->pDrv->pfnVBVAMousePointerShape(pThisCC->pDrv, true /*fVisible*/, false, 0, 0, 0, 0, NULL); + } + else + { + /* Make sure the cursor is off. */ + if (pSVGAState->Cursor.fActive) + pThisCC->pDrv->pfnVBVAMousePointerShape(pThisCC->pDrv, false /*fVisible*/, false, 0, 0, 0, 0, NULL); + + /* Restore the text mode backup. */ + memcpy(pThisCC->pbVRam, pThisCC->svga.pbVgaFrameBufferR3, VMSVGA_VGA_FB_BACKUP_SIZE); + + pThisCC->pDrv->pfnLFBModeChange(pThisCC->pDrv, false); + + /* Enable dirty page tracking again when going into legacy mode. */ + vmsvgaR3SetTraces(pDevIns, pThis, true); + + /* bird: Whatever this is was added to make screenshot work, ask sunlover should explain... */ + for (uint32_t idScreen = 0; idScreen < pThis->cMonitors; ++idScreen) + pThisCC->pDrv->pfnVBVADisable(pThisCC->pDrv, idScreen); + + /* Clear the pitch lock. */ + pThis->svga.u32PitchLock = 0; + } +#else /* !IN_RING3 */ + rc = VINF_IOM_R3_IOPORT_WRITE; +#endif /* !IN_RING3 */ + break; + + case SVGA_REG_WIDTH: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegWidthWr); + if (u32 != pThis->svga.uWidth) + { + if (u32 <= pThis->svga.u32MaxWidth) + { +#if defined(IN_RING3) || defined(IN_RING0) + pThis->svga.uWidth = u32; + vmsvgaHCUpdatePitch(pThis, pThisCC); + if (pThis->svga.fEnabled) + ASMAtomicOrU32(&pThis->svga.u32ActionFlags, VMSVGA_ACTION_CHANGEMODE); +#else + rc = VINF_IOM_R3_IOPORT_WRITE; +#endif + } + else + Log(("SVGA_REG_WIDTH: New value is out of bounds: %u, max %u\n", u32, pThis->svga.u32MaxWidth)); + } + /* else: nop */ + break; + + case SVGA_REG_HEIGHT: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegHeightWr); + if (u32 != pThis->svga.uHeight) + { + if (u32 <= pThis->svga.u32MaxHeight) + { + pThis->svga.uHeight = u32; + if (pThis->svga.fEnabled) + ASMAtomicOrU32(&pThis->svga.u32ActionFlags, VMSVGA_ACTION_CHANGEMODE); + } + else + Log(("SVGA_REG_HEIGHT: New value is out of bounds: %u, max %u\n", u32, pThis->svga.u32MaxHeight)); + } + /* else: nop */ + break; + + case SVGA_REG_DEPTH: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDepthWr); + /** @todo read-only?? */ + break; + + case SVGA_REG_BITS_PER_PIXEL: /* Current bpp in the guest */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegBitsPerPixelWr); + if (pThis->svga.uBpp != u32) + { + if (u32 <= 32) + { +#if defined(IN_RING3) || defined(IN_RING0) + pThis->svga.uBpp = u32; + vmsvgaHCUpdatePitch(pThis, pThisCC); + if (pThis->svga.fEnabled) + ASMAtomicOrU32(&pThis->svga.u32ActionFlags, VMSVGA_ACTION_CHANGEMODE); +#else + rc = VINF_IOM_R3_IOPORT_WRITE; +#endif + } + else + Log(("SVGA_REG_BITS_PER_PIXEL: New value is out of bounds: %u, max 32\n", u32)); + } + /* else: nop */ + break; + + case SVGA_REG_PSEUDOCOLOR: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegPseudoColorWr); + break; + + case SVGA_REG_CONFIG_DONE: /* Set when memory area configured */ +#ifdef IN_RING3 + STAM_REL_COUNTER_INC(&pSVGAState->StatR3RegConfigDoneWr); + pThis->svga.fConfigured = u32; + /* Disabling the FIFO enables tracing (dirty page detection) by default. */ + if (!pThis->svga.fConfigured) + pThis->svga.fTraces = true; + vmsvgaR3SetTraces(pDevIns, pThis, !!pThis->svga.fTraces); +#else + rc = VINF_IOM_R3_IOPORT_WRITE; +#endif + break; + + case SVGA_REG_SYNC: /* See "FIFO Synchronization Registers" */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegSyncWr); + if ( pThis->svga.fEnabled + && pThis->svga.fConfigured) + { +#if defined(IN_RING3) || defined(IN_RING0) + Log(("SVGA_REG_SYNC: SVGA_FIFO_BUSY=%d\n", pThisCC->svga.pau32FIFO[SVGA_FIFO_BUSY])); + /* + * The VMSVGA_BUSY_F_EMT_FORCE flag makes sure we will check if the FIFO is empty + * at least once; VMSVGA_BUSY_F_FIFO alone does not ensure that. + */ + ASMAtomicWriteU32(&pThis->svga.fBusy, VMSVGA_BUSY_F_EMT_FORCE | VMSVGA_BUSY_F_FIFO); + if (VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_BUSY, pThisCC->svga.pau32FIFO[SVGA_FIFO_MIN])) + vmsvgaHCSafeFifoBusyRegUpdate(pThis, pThisCC, true); + + /* Kick the FIFO thread to start processing commands again. */ + PDMDevHlpSUPSemEventSignal(pDevIns, pThis->svga.hFIFORequestSem); +#else + rc = VINF_IOM_R3_IOPORT_WRITE; +#endif + } + /* else nothing to do. */ + else + Log(("Sync ignored enabled=%d configured=%d\n", pThis->svga.fEnabled, pThis->svga.fConfigured)); + + break; + + case SVGA_REG_BUSY: /* See "FIFO Synchronization Registers" (read-only) */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegBusyWr); + break; + + case SVGA_REG_GUEST_ID: /* Set guest OS identifier */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGuestIdWr); + pThis->svga.u32GuestId = u32; + break; + + case SVGA_REG_PITCHLOCK: /* Fixed pitch for all modes */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegPitchLockWr); + pThis->svga.u32PitchLock = u32; + /* Should this also update the FIFO pitch lock? Unclear. */ + break; + + case SVGA_REG_IRQMASK: /* Interrupt mask */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegIrqMaskWr); + pThis->svga.u32IrqMask = u32; + + /* Irq pending after the above change? */ + if (pThis->svga.u32IrqStatus & u32) + { + Log(("SVGA_REG_IRQMASK: Trigger interrupt with status %x\n", pThis->svga.u32IrqStatus)); + PDMDevHlpPCISetIrqNoWait(pDevIns, 0, 1); + } + else + PDMDevHlpPCISetIrqNoWait(pDevIns, 0, 0); + break; + + /* Mouse cursor support */ + case SVGA_REG_DEAD: /* SVGA_REG_CURSOR_ID */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCursorIdWr); + pThis->svga.uCursorID = u32; + break; + + case SVGA_REG_CURSOR_X: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCursorXWr); + pThis->svga.uCursorX = u32; + break; + + case SVGA_REG_CURSOR_Y: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCursorYWr); + pThis->svga.uCursorY = u32; + break; + + case SVGA_REG_CURSOR_ON: +#ifdef IN_RING3 + /* The cursor is only updated when SVGA_REG_CURSOR_ON is written. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCursorOnWr); + vmsvgaR3RegUpdateCursor(pThisCC, pThis, u32); +#else + rc = VINF_IOM_R3_IOPORT_WRITE; +#endif + break; + + /* Legacy multi-monitor support */ + case SVGA_REG_NUM_GUEST_DISPLAYS:/* Number of guest displays in X/Y direction */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegNumGuestDisplaysWr); + break; + case SVGA_REG_DISPLAY_ID: /* Display ID for the following display attributes */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayIdWr); + break; + case SVGA_REG_DISPLAY_IS_PRIMARY:/* Whether this is a primary display */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayIsPrimaryWr); + break; + case SVGA_REG_DISPLAY_POSITION_X:/* The display position x */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayPositionXWr); + break; + case SVGA_REG_DISPLAY_POSITION_Y:/* The display position y */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayPositionYWr); + break; + case SVGA_REG_DISPLAY_WIDTH: /* The display's width */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayWidthWr); + break; + case SVGA_REG_DISPLAY_HEIGHT: /* The display's height */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDisplayHeightWr); + break; +#ifdef VBOX_WITH_VMSVGA3D + /* See "Guest memory regions" below. */ + case SVGA_REG_GMR_ID: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegGmrIdWr); + pThis->svga.u32CurrentGMRId = u32; + break; + + case SVGA_REG_GMR_DESCRIPTOR: +# ifndef IN_RING3 + rc = VINF_IOM_R3_IOPORT_WRITE; + break; +# else /* IN_RING3 */ + { + STAM_REL_COUNTER_INC(&pSVGAState->StatR3RegGmrDescriptorWr); + + /* Validate current GMR id. */ + uint32_t idGMR = pThis->svga.u32CurrentGMRId; + AssertBreak(idGMR < pThis->svga.cGMR); + RT_UNTRUSTED_VALIDATED_FENCE(); + + /* Free the old GMR if present. */ + vmsvgaR3GmrFree(pThisCC, idGMR); + + /* Just undefine the GMR? */ + RTGCPHYS GCPhys = (RTGCPHYS)u32 << GUEST_PAGE_SHIFT; + if (GCPhys == 0) + { + STAM_REL_COUNTER_INC(&pSVGAState->StatR3RegGmrDescriptorWrFree); + break; + } + + + /* Never cross a page boundary automatically. */ + const uint32_t cMaxPages = RT_MIN(VMSVGA_MAX_GMR_PAGES, UINT32_MAX / X86_PAGE_SIZE); + uint32_t cPagesTotal = 0; + uint32_t iDesc = 0; + PVMSVGAGMRDESCRIPTOR paDescs = NULL; + uint32_t cLoops = 0; + RTGCPHYS GCPhysBase = GCPhys; + while ((GCPhys >> GUEST_PAGE_SHIFT) == (GCPhysBase >> GUEST_PAGE_SHIFT)) + { + /* Read descriptor. */ + SVGAGuestMemDescriptor desc; + rc = PDMDevHlpPCIPhysRead(pDevIns, GCPhys, &desc, sizeof(desc)); + AssertRCBreak(VBOXSTRICTRC_VAL(rc)); + + if (desc.numPages != 0) + { + AssertBreakStmt(desc.numPages <= cMaxPages, rc = VERR_OUT_OF_RANGE); + cPagesTotal += desc.numPages; + AssertBreakStmt(cPagesTotal <= cMaxPages, rc = VERR_OUT_OF_RANGE); + + if ((iDesc & 15) == 0) + { + void *pvNew = RTMemRealloc(paDescs, (iDesc + 16) * sizeof(VMSVGAGMRDESCRIPTOR)); + AssertBreakStmt(pvNew, rc = VERR_NO_MEMORY); + paDescs = (PVMSVGAGMRDESCRIPTOR)pvNew; + } + + paDescs[iDesc].GCPhys = (RTGCPHYS)desc.ppn << GUEST_PAGE_SHIFT; + paDescs[iDesc++].numPages = desc.numPages; + + /* Continue with the next descriptor. */ + GCPhys += sizeof(desc); + } + else if (desc.ppn == 0) + break; /* terminator */ + else /* Pointer to the next physical page of descriptors. */ + GCPhys = GCPhysBase = (RTGCPHYS)desc.ppn << GUEST_PAGE_SHIFT; + + cLoops++; + AssertBreakStmt(cLoops < VMSVGA_MAX_GMR_DESC_LOOP_COUNT, rc = VERR_OUT_OF_RANGE); + } + + AssertStmt(iDesc > 0 || RT_FAILURE_NP(rc), rc = VERR_OUT_OF_RANGE); + if (RT_SUCCESS(rc)) + { + /* Commit the GMR. */ + pSVGAState->paGMR[idGMR].paDesc = paDescs; + pSVGAState->paGMR[idGMR].numDescriptors = iDesc; + pSVGAState->paGMR[idGMR].cMaxPages = cPagesTotal; + pSVGAState->paGMR[idGMR].cbTotal = cPagesTotal * GUEST_PAGE_SIZE; + Assert((pSVGAState->paGMR[idGMR].cbTotal >> GUEST_PAGE_SHIFT) == cPagesTotal); + Log(("Defined new gmr %x numDescriptors=%d cbTotal=%x (%#x pages)\n", + idGMR, iDesc, pSVGAState->paGMR[idGMR].cbTotal, cPagesTotal)); + } + else + { + RTMemFree(paDescs); + STAM_REL_COUNTER_INC(&pSVGAState->StatR3RegGmrDescriptorWrErrors); + } + break; + } +# endif /* IN_RING3 */ +#endif // VBOX_WITH_VMSVGA3D + + case SVGA_REG_TRACES: /* Enable trace-based updates even when FIFO is on */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegTracesWr); + if (pThis->svga.fTraces == u32) + break; /* nothing to do */ + +#ifdef IN_RING3 + vmsvgaR3SetTraces(pDevIns, pThis, !!u32); +#else + rc = VINF_IOM_R3_IOPORT_WRITE; +#endif + break; + + case SVGA_REG_TOP: /* Must be 1 more than the last register */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegTopWr); + break; + + case SVGA_REG_NUM_DISPLAYS: /* (Deprecated) */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegNumDisplaysWr); + Log(("Write to deprecated register %x - val %x ignored\n", idxReg, u32)); + break; + + /* + * SVGA_CAP_GBOBJECTS+ registers. + */ + case SVGA_REG_COMMAND_LOW: + { + /* Lower 32 bits of command buffer physical address and submit the command buffer. */ +#ifdef IN_RING3 + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCommandLowWr); + pThis->svga.u32RegCommandLow = u32; + + /* "lower 6 bits are used for the SVGACBContext" */ + RTGCPHYS GCPhysCB = pThis->svga.u32RegCommandHigh; + GCPhysCB <<= 32; + GCPhysCB |= pThis->svga.u32RegCommandLow & ~SVGA_CB_CONTEXT_MASK; + SVGACBContext const CBCtx = (SVGACBContext)(pThis->svga.u32RegCommandLow & SVGA_CB_CONTEXT_MASK); + vmsvgaR3CmdBufSubmit(pDevIns, pThis, pThisCC, GCPhysCB, CBCtx); +#else + rc = VINF_IOM_R3_IOPORT_WRITE; +#endif + break; + } + + case SVGA_REG_COMMAND_HIGH: + /* Upper 32 bits of command buffer PA. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCommandHighWr); + pThis->svga.u32RegCommandHigh = u32; + break; + + case SVGA_REG_DEV_CAP: + /* Write dev cap index, read value */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegDevCapWr); + pThis->svga.u32DevCapIndex = u32; + break; + + case SVGA_REG_CMD_PREPEND_LOW: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCmdPrependLowWr); + /* Not supported. */ + break; + + case SVGA_REG_CMD_PREPEND_HIGH: + STAM_REL_COUNTER_INC(&pThis->svga.StatRegCmdPrependHighWr); + /* Not supported. */ + break; + + case SVGA_REG_GUEST_DRIVER_ID: + if (u32 != SVGA_REG_GUEST_DRIVER_ID_SUBMIT) + pThis->svga.u32GuestDriverId = u32; + break; + + case SVGA_REG_GUEST_DRIVER_VERSION1: + pThis->svga.u32GuestDriverVer1 = u32; + break; + + case SVGA_REG_GUEST_DRIVER_VERSION2: + pThis->svga.u32GuestDriverVer2 = u32; + break; + + case SVGA_REG_GUEST_DRIVER_VERSION3: + pThis->svga.u32GuestDriverVer3 = u32; + break; + + case SVGA_REG_CURSOR_MOBID: + /* Not supported, ignore. See correspondent comments in vmsvgaReadPort. */ + break; + + case SVGA_REG_FB_START: + case SVGA_REG_MEM_START: + case SVGA_REG_HOST_BITS_PER_PIXEL: + case SVGA_REG_MAX_WIDTH: + case SVGA_REG_MAX_HEIGHT: + case SVGA_REG_VRAM_SIZE: + case SVGA_REG_FB_SIZE: + case SVGA_REG_CAPABILITIES: + case SVGA_REG_MEM_SIZE: + case SVGA_REG_SCRATCH_SIZE: /* Number of scratch registers */ + case SVGA_REG_MEM_REGS: /* Number of FIFO registers */ + case SVGA_REG_BYTES_PER_LINE: + case SVGA_REG_FB_OFFSET: + case SVGA_REG_RED_MASK: + case SVGA_REG_GREEN_MASK: + case SVGA_REG_BLUE_MASK: + case SVGA_REG_GMRS_MAX_PAGES: /* Maximum number of 4KB pages for all GMRs */ + case SVGA_REG_MEMORY_SIZE: /* Total dedicated device memory excluding FIFO */ + case SVGA_REG_GMR_MAX_IDS: + case SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH: + case SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM: + case SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB: + case SVGA_REG_SCREENTARGET_MAX_WIDTH: + case SVGA_REG_SCREENTARGET_MAX_HEIGHT: + case SVGA_REG_MOB_MAX_SIZE: + case SVGA_REG_BLANK_SCREEN_TARGETS: + case SVGA_REG_CAP2: + case SVGA_REG_DEVEL_CAP: + case SVGA_REG_CURSOR_MAX_BYTE_SIZE: + case SVGA_REG_CURSOR_MAX_DIMENSION: + case SVGA_REG_FIFO_CAPS: + case SVGA_REG_FENCE: + case SVGA_REG_RESERVED1: + case SVGA_REG_RESERVED2: + case SVGA_REG_RESERVED3: + case SVGA_REG_RESERVED4: + case SVGA_REG_RESERVED5: + case SVGA_REG_SCREENDMA: + case SVGA_REG_GBOBJECT_MEM_SIZE_KB: + /* Read only - ignore. */ + Log(("Write to R/O register %x - val %x ignored\n", idxReg, u32)); + STAM_REL_COUNTER_INC(&pThis->svga.StatRegReadOnlyWr); + break; + + default: + { + uint32_t offReg; + if ((offReg = idxReg - SVGA_SCRATCH_BASE) < pThis->svga.cScratchRegion) + { + RT_UNTRUSTED_VALIDATED_FENCE(); + pThis->svga.au32ScratchRegion[offReg] = u32; + STAM_REL_COUNTER_INC(&pThis->svga.StatRegScratchWr); + } + else if ((offReg = idxReg - SVGA_PALETTE_BASE) < (uint32_t)SVGA_NUM_PALETTE_REGS) + { + /* Note! Using last_palette rather than palette here to preserve the VGA one. + Btw, see rgb_to_pixel32. */ + STAM_REL_COUNTER_INC(&pThis->svga.StatRegPaletteWr); + u32 &= 0xff; + RT_UNTRUSTED_VALIDATED_FENCE(); + uint32_t uRgb = pThis->last_palette[offReg / 3]; + switch (offReg % 3) + { + case 0: uRgb = (uRgb & UINT32_C(0x0000ffff)) | (u32 << 16); break; /* red */ + case 1: uRgb = (uRgb & UINT32_C(0x00ff00ff)) | (u32 << 8); break; /* green */ + case 2: uRgb = (uRgb & UINT32_C(0x00ffff00)) | u32 ; break; /* blue */ + } + pThis->last_palette[offReg / 3] = uRgb; + } + else + { +#if !defined(IN_RING3) && defined(VBOX_STRICT) + rc = VINF_IOM_R3_IOPORT_WRITE; +#else + STAM_REL_COUNTER_INC(&pThis->svga.StatRegUnknownWr); + AssertMsgFailed(("reg=%#x u32=%#x\n", idxReg, u32)); +#endif + } + break; + } + } + return rc; +} + +/** + * @callback_method_impl{FNIOMIOPORTNEWIN} + */ +DECLCALLBACK(VBOXSTRICTRC) vmsvgaIORead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t *pu32, unsigned cb) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + RT_NOREF_PV(pvUser); + + /* Only dword accesses. */ + if (cb == 4) + { + switch (offPort) + { + case SVGA_INDEX_PORT: + *pu32 = pThis->svga.u32IndexReg; + break; + + case SVGA_VALUE_PORT: + return vmsvgaReadPort(pDevIns, pThis, pu32); + + case SVGA_BIOS_PORT: + Log(("Ignoring BIOS port read\n")); + *pu32 = 0; + break; + + case SVGA_IRQSTATUS_PORT: + LogFlow(("vmsvgaIORead: SVGA_IRQSTATUS_PORT %x\n", pThis->svga.u32IrqStatus)); + *pu32 = pThis->svga.u32IrqStatus; + break; + + default: + ASSERT_GUEST_MSG_FAILED(("vmsvgaIORead: Unknown register %u was read from.\n", offPort)); + *pu32 = UINT32_MAX; + break; + } + } + else + { + Log(("Ignoring non-dword I/O port read at %x cb=%d\n", offPort, cb)); + *pu32 = UINT32_MAX; + } + return VINF_SUCCESS; +} + +/** + * @callback_method_impl{FNIOMIOPORTNEWOUT} + */ +DECLCALLBACK(VBOXSTRICTRC) vmsvgaIOWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t u32, unsigned cb) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + RT_NOREF_PV(pvUser); + + /* Only dword accesses. */ + if (cb == 4) + switch (offPort) + { + case SVGA_INDEX_PORT: + pThis->svga.u32IndexReg = u32; + break; + + case SVGA_VALUE_PORT: + return vmsvgaWritePort(pDevIns, pThis, pThisCC, u32); + + case SVGA_BIOS_PORT: + Log(("Ignoring BIOS port write (val=%x)\n", u32)); + break; + + case SVGA_IRQSTATUS_PORT: + LogFlow(("vmsvgaIOWrite SVGA_IRQSTATUS_PORT %x: status %x -> %x\n", u32, pThis->svga.u32IrqStatus, pThis->svga.u32IrqStatus & ~u32)); + ASMAtomicAndU32(&pThis->svga.u32IrqStatus, ~u32); + /* Clear the irq in case all events have been cleared. */ + if (!(pThis->svga.u32IrqStatus & pThis->svga.u32IrqMask)) + { + Log(("vmsvgaIOWrite SVGA_IRQSTATUS_PORT: clearing IRQ\n")); + PDMDevHlpPCISetIrqNoWait(pDevIns, 0, 0); + } + break; + + default: + ASSERT_GUEST_MSG_FAILED(("vmsvgaIOWrite: Unknown register %u was written to, value %#x LB %u.\n", offPort, u32, cb)); + break; + } + else + Log(("Ignoring non-dword write at %x val=%x cb=%d\n", offPort, u32, cb)); + + return VINF_SUCCESS; +} + +#ifdef IN_RING3 + +# ifdef DEBUG_FIFO_ACCESS +/** + * Handle FIFO memory access. + * @returns VBox status code. + * @param pVM VM handle. + * @param pThis The shared VGA/VMSVGA instance data. + * @param GCPhys The access physical address. + * @param fWriteAccess Read or write access + */ +static int vmsvgaR3DebugFifoAccess(PVM pVM, PVGASTATE pThis, RTGCPHYS GCPhys, bool fWriteAccess) +{ + RT_NOREF(pVM); + RTGCPHYS GCPhysOffset = GCPhys - pThis->svga.GCPhysFIFO; + uint32_t *pFIFO = pThisCC->svga.pau32FIFO; + + switch (GCPhysOffset >> 2) + { + case SVGA_FIFO_MIN: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_MIN = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_MAX: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_MAX = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_NEXT_CMD: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_NEXT_CMD = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_STOP: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_STOP = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_CAPABILITIES: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_CAPABILITIES = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_FLAGS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_FLAGS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_FENCE: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_FENCE = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_HWVERSION: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_HWVERSION = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_PITCHLOCK: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_PITCHLOCK = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_CURSOR_ON: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_CURSOR_ON = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_CURSOR_X: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_CURSOR_X = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_CURSOR_Y: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_CURSOR_Y = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_CURSOR_COUNT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_CURSOR_COUNT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_CURSOR_LAST_UPDATED: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_CURSOR_LAST_UPDATED = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_RESERVED: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_RESERVED = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_CURSOR_SCREEN_ID: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_CURSOR_SCREEN_ID = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_DEAD: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_DEAD = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_HWVERSION_REVISED: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_HWVERSION_REVISED = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_3D: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_3D = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_LIGHTS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_LIGHTS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_TEXTURES: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_TEXTURES = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_CLIP_PLANES: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_CLIP_PLANES = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_VERTEX_SHADER_VERSION: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_VERTEX_SHADER_VERSION = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_VERTEX_SHADER: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_VERTEX_SHADER = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_FRAGMENT_SHADER: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_FRAGMENT_SHADER = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_RENDER_TARGETS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_RENDER_TARGETS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_S23E8_TEXTURES: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_S23E8_TEXTURES = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_S10E5_TEXTURES: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_S10E5_TEXTURES = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_FIXED_VERTEXBLEND: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_FIXED_VERTEXBLEND = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_D16_BUFFER_FORMAT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_D16_BUFFER_FORMAT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_D24S8_BUFFER_FORMAT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_D24S8_BUFFER_FORMAT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_D24X8_BUFFER_FORMAT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_D24X8_BUFFER_FORMAT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_QUERY_TYPES: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_QUERY_TYPES = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_TEXTURE_GRADIENT_SAMPLING: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_TEXTURE_GRADIENT_SAMPLING = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_POINT_SIZE: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_POINT_SIZE = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_SHADER_TEXTURES: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_SHADER_TEXTURES = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_VOLUME_EXTENT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_VOLUME_EXTENT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_TEXTURE_REPEAT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_TEXTURE_REPEAT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_TEXTURE_ASPECT_RATIO: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_TEXTURE_ASPECT_RATIO = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_PRIMITIVE_COUNT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_PRIMITIVE_COUNT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_VERTEX_INDEX: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_VERTEX_INDEX = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_INSTRUCTIONS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_INSTRUCTIONS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_TEXTURE_OPS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_TEXTURE_OPS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_X8R8G8B8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_X8R8G8B8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_A8R8G8B8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_A8R8G8B8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_A2R10G10B10: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_A2R10G10B10 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_X1R5G5B5: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_X1R5G5B5 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_A1R5G5B5: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_A1R5G5B5 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_A4R4G4B4: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_A4R4G4B4 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_R5G6B5: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_R5G6B5 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE16: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE16 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8_ALPHA8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8_ALPHA8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_ALPHA8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_ALPHA8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_Z_D16: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_Z_D16 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_Z_D24X8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_Z_D24X8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_DXT1: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_DXT1 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_DXT2: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_DXT2 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_DXT3: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_DXT3 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_DXT4: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_DXT4 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_DXT5: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_DXT5 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_BUMPX8L8V8U8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_BUMPX8L8V8U8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_A2W10V10U10: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_A2W10V10U10 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_BUMPU8V8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_BUMPU8V8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_Q8W8V8U8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_Q8W8V8U8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_CxV8U8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_CxV8U8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_R_S10E5: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_R_S10E5 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_R_S23E8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_R_S23E8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_RG_S10E5: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_RG_S10E5 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_RG_S23E8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_RG_S23E8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_ARGB_S10E5: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_ARGB_S10E5 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_ARGB_S23E8: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_ARGB_S23E8 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEXTURES: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEXTURES = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_SIMULTANEOUS_RENDER_TARGETS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_SIMULTANEOUS_RENDER_TARGETS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_V16U16: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_V16U16 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_G16R16: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_G16R16 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_A16B16G16R16: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_A16B16G16R16 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_UYVY: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_UYVY = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_YUY2: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_YUY2 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_DEAD4: /* SVGA3D_DEVCAP_MULTISAMPLE_NONMASKABLESAMPLES */ + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_DEAD4 (SVGA3D_DEVCAP_MULTISAMPLE_NONMASKABLESAMPLES) = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_DEAD5: /* SVGA3D_DEVCAP_MULTISAMPLE_MASKABLESAMPLES */ + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_DEAD5 (SVGA3D_DEVCAP_MULTISAMPLE_MASKABLESAMPLES) = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_DEAD7: /* SVGA3D_DEVCAP_ALPHATOCOVERAGE */ + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_DEAD7 (SVGA3D_DEVCAP_ALPHATOCOVERAGE) = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_DEAD6: /* SVGA3D_DEVCAP_SUPERSAMPLE */ + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_DEAD6 (SVGA3D_DEVCAP_SUPERSAMPLE) = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_AUTOGENMIPMAPS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_AUTOGENMIPMAPS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_NV12: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_NV12 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_DEAD10: /* SVGA3D_DEVCAP_SURFACEFMT_AYUV */ + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_DEAD10 (SVGA3D_DEVCAP_SURFACEFMT_AYUV) = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_CONTEXT_IDS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_CONTEXT_IDS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_MAX_SURFACE_IDS: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_MAX_SURFACE_IDS = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_Z_DF16: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_Z_DF16 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_Z_DF24: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_Z_DF24 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8_INT: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8_INT = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_ATI1: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_ATI1 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS + SVGA3D_DEVCAP_SURFACEFMT_ATI2: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS SVGA3D_DEVCAP_SURFACEFMT_ATI2 = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_3D_CAPS_LAST: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_3D_CAPS_LAST = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_GUEST_3D_HWVERSION: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_GUEST_3D_HWVERSION = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_FENCE_GOAL: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_FENCE_GOAL = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + case SVGA_FIFO_BUSY: + Log(("vmsvgaFIFOAccess [0x%x]: %s SVGA_FIFO_BUSY = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", pFIFO[GCPhysOffset >> 2])); + break; + default: + Log(("vmsvgaFIFOAccess [0x%x]: %s access at offset %x = %x\n", GCPhysOffset >> 2, (fWriteAccess) ? "WRITE" : "READ", GCPhysOffset, pFIFO[GCPhysOffset >> 2])); + break; + } + + return VINF_EM_RAW_EMULATE_INSTR; +} +# endif /* DEBUG_FIFO_ACCESS */ + +# if defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) || defined(DEBUG_FIFO_ACCESS) +/** + * HC access handler for the FIFO. + * + * @returns VINF_SUCCESS if the handler have carried out the operation. + * @returns VINF_PGM_HANDLER_DO_DEFAULT if the caller should carry out the access operation. + * @param pVM VM Handle. + * @param pVCpu The cross context CPU structure for the calling EMT. + * @param GCPhys The physical address the guest is writing to. + * @param pvPhys The HC mapping of that address. + * @param pvBuf What the guest is reading/writing. + * @param cbBuf How much it's reading/writing. + * @param enmAccessType The access type. + * @param enmOrigin Who is making the access. + * @param pvUser User argument. + */ +static DECLCALLBACK(VBOXSTRICTRC) +vmsvgaR3FifoAccessHandler(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys, void *pvPhys, void *pvBuf, size_t cbBuf, + PGMACCESSTYPE enmAccessType, PGMACCESSORIGIN enmOrigin, void *pvUser) +{ + NOREF(pVCpu); NOREF(pvPhys); NOREF(pvBuf); NOREF(cbBuf); NOREF(enmOrigin); NOREF(enmAccessType); NOREF(GCPhys); + PVGASTATE pThis = (PVGASTATE)pvUser; + AssertPtr(pThis); + +# ifdef VMSVGA_USE_FIFO_ACCESS_HANDLER + /* + * Wake up the FIFO thread as it might have work to do now. + */ + int rc = PDMDevHlpSUPSemEventSignal(pDevIns, pThis->svga.hFIFORequestSem); + AssertLogRelRC(rc); +# endif + +# ifdef DEBUG_FIFO_ACCESS + /* + * When in debug-fifo-access mode, we do not disable the access handler, + * but leave it on as we wish to catch all access. + */ + Assert(GCPhys >= pThis->svga.GCPhysFIFO); + rc = vmsvgaR3DebugFifoAccess(pVM, pThis, GCPhys, enmAccessType == PGMACCESSTYPE_WRITE); +# elif defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) + /* + * Temporarily disable the access handler now that we've kicked the FIFO thread. + */ + STAM_REL_COUNTER_INC(&pThisCC->svga.pSvgaR3State->StatFifoAccessHandler); + rc = PGMHandlerPhysicalPageTempOff(pVM, pThis->svga.GCPhysFIFO, pThis->svga.GCPhysFIFO); +# endif + if (RT_SUCCESS(rc)) + return VINF_PGM_HANDLER_DO_DEFAULT; + AssertMsg(rc <= VINF_SUCCESS, ("rc=%Rrc\n", rc)); + return rc; +} +# endif /* VMSVGA_USE_FIFO_ACCESS_HANDLER || DEBUG_FIFO_ACCESS */ + +#endif /* IN_RING3 */ + +#ifdef DEBUG_GMR_ACCESS +# ifdef IN_RING3 + +/** + * HC access handler for GMRs. + * + * @returns VINF_SUCCESS if the handler have carried out the operation. + * @returns VINF_PGM_HANDLER_DO_DEFAULT if the caller should carry out the access operation. + * @param pVM VM Handle. + * @param pVCpu The cross context CPU structure for the calling EMT. + * @param GCPhys The physical address the guest is writing to. + * @param pvPhys The HC mapping of that address. + * @param pvBuf What the guest is reading/writing. + * @param cbBuf How much it's reading/writing. + * @param enmAccessType The access type. + * @param enmOrigin Who is making the access. + * @param pvUser User argument. + */ +static DECLCALLBACK(VBOXSTRICTRC) +vmsvgaR3GmrAccessHandler(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys, void *pvPhys, void *pvBuf, size_t cbBuf, + PGMACCESSTYPE enmAccessType, PGMACCESSORIGIN enmOrigin, void *pvUser) +{ + PVGASTATE pThis = (PVGASTATE)pvUser; + Assert(pThis); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + NOREF(pVCpu); NOREF(pvPhys); NOREF(pvBuf); NOREF(cbBuf); NOREF(enmAccessType); NOREF(enmOrigin); + + Log(("vmsvgaR3GmrAccessHandler: GMR access to page %RGp\n", GCPhys)); + + for (uint32_t i = 0; i < pThis->svga.cGMR; ++i) + { + PGMR pGMR = &pSVGAState->paGMR[i]; + + if (pGMR->numDescriptors) + { + for (uint32_t j = 0; j < pGMR->numDescriptors; j++) + { + if ( GCPhys >= pGMR->paDesc[j].GCPhys + && GCPhys < pGMR->paDesc[j].GCPhys + pGMR->paDesc[j].numPages * GUEST_PAGE_SIZE) + { + /* + * Turn off the write handler for this particular page and make it R/W. + * Then return telling the caller to restart the guest instruction. + */ + int rc = PGMHandlerPhysicalPageTempOff(pVM, pGMR->paDesc[j].GCPhys, GCPhys); + AssertRC(rc); + return VINF_PGM_HANDLER_DO_DEFAULT; + } + } + } + } + + return VINF_PGM_HANDLER_DO_DEFAULT; +} + +/** Callback handler for VMR3ReqCallWaitU */ +static DECLCALLBACK(int) vmsvgaR3RegisterGmr(PPDMDEVINS pDevIns, uint32_t gmrId) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + PGMR pGMR = &pSVGAState->paGMR[gmrId]; + int rc; + + for (uint32_t i = 0; i < pGMR->numDescriptors; i++) + { + rc = PDMDevHlpPGMHandlerPhysicalRegister(pDevIns, pGMR->paDesc[i].GCPhys, + pGMR->paDesc[i].GCPhys + pGMR->paDesc[i].numPages * GUEST_PAGE_SIZE - 1, + pThis->svga.hGmrAccessHandlerType, pThis, NIL_RTR0PTR, NIL_RTRCPTR, "VMSVGA GMR"); + AssertRC(rc); + } + return VINF_SUCCESS; +} + +/** Callback handler for VMR3ReqCallWaitU */ +static DECLCALLBACK(int) vmsvgaR3DeregisterGmr(PPDMDEVINS pDevIns, uint32_t gmrId) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + PGMR pGMR = &pSVGAState->paGMR[gmrId]; + + for (uint32_t i = 0; i < pGMR->numDescriptors; i++) + { + int rc = PDMDevHlpPGMHandlerPhysicalDeregister(pDevIns, pGMR->paDesc[i].GCPhys); + AssertRC(rc); + } + return VINF_SUCCESS; +} + +/** Callback handler for VMR3ReqCallWaitU */ +static DECLCALLBACK(int) vmsvgaR3ResetGmrHandlers(PVGASTATE pThis) +{ + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + + for (uint32_t i = 0; i < pThis->svga.cGMR; ++i) + { + PGMR pGMR = &pSVGAState->paGMR[i]; + + if (pGMR->numDescriptors) + { + for (uint32_t j = 0; j < pGMR->numDescriptors; j++) + { + int rc = PDMDevHlpPGMHandlerPhysicalReset(pDevIns, pGMR->paDesc[j].GCPhys); + AssertRC(rc); + } + } + } + return VINF_SUCCESS; +} + +# endif /* IN_RING3 */ +#endif /* DEBUG_GMR_ACCESS */ + +/* -=-=-=-=-=- Ring 3 -=-=-=-=-=- */ + +#ifdef IN_RING3 + + +/* + * + * Command buffer submission. + * + * Guest submits a buffer by writing to SVGA_REG_COMMAND_LOW register. + * + * EMT thread appends a command buffer to the context queue (VMSVGACMDBUFCTX::listSubmitted) + * and wakes up the FIFO thread. + * + * FIFO thread fetches the command buffer from the queue, processes the commands and writes + * the buffer header back to the guest memory. + * + * If buffers are preempted, then the EMT thread removes all buffers from the context queue. + * + */ + + +/** Update a command buffer header 'status' and 'errorOffset' fields in the guest memory. + * + * @param pDevIns The device instance. + * @param GCPhysCB Guest physical address of the command buffer header. + * @param status Command buffer status (SVGA_CB_STATUS_*). + * @param errorOffset Offset to the first byte of the failing command for SVGA_CB_STATUS_COMMAND_ERROR. + * errorOffset is ignored if the status is not SVGA_CB_STATUS_COMMAND_ERROR. + * @thread FIFO or EMT. + */ +static void vmsvgaR3CmdBufWriteStatus(PPDMDEVINS pDevIns, RTGCPHYS GCPhysCB, SVGACBStatus status, uint32_t errorOffset) +{ + SVGACBHeader hdr; + hdr.status = status; + hdr.errorOffset = errorOffset; + AssertCompile( RT_OFFSETOF(SVGACBHeader, status) == 0 + && RT_OFFSETOF(SVGACBHeader, errorOffset) == 4 + && RT_OFFSETOF(SVGACBHeader, id) == 8); + size_t const cbWrite = status == SVGA_CB_STATUS_COMMAND_ERROR + ? RT_UOFFSET_AFTER(SVGACBHeader, errorOffset) /* Both 'status' and 'errorOffset' fields. */ + : RT_UOFFSET_AFTER(SVGACBHeader, status); /* Only 'status' field. */ + PDMDevHlpPCIPhysWrite(pDevIns, GCPhysCB, &hdr, cbWrite); +} + + +/** Raise an IRQ. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA state. + * @param u32IrqStatus SVGA_IRQFLAG_* bits. + * @thread FIFO or EMT. + */ +static void vmsvgaR3CmdBufRaiseIRQ(PPDMDEVINS pDevIns, PVGASTATE pThis, uint32_t u32IrqStatus) +{ + int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_IGNORED); + PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); + + if (pThis->svga.u32IrqMask & u32IrqStatus) + { + LogFunc(("Trigger interrupt with status %#x\n", u32IrqStatus)); + ASMAtomicOrU32(&pThis->svga.u32IrqStatus, u32IrqStatus); + PDMDevHlpPCISetIrq(pDevIns, 0, 1); + } + + PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); +} + + +/** Allocate a command buffer structure. + * + * @param pCmdBufCtx The command buffer context which must allocate the buffer. + * @return Pointer to the allocated command buffer structure. + */ +static PVMSVGACMDBUF vmsvgaR3CmdBufAlloc(PVMSVGACMDBUFCTX pCmdBufCtx) +{ + if (!pCmdBufCtx) + return NULL; + + PVMSVGACMDBUF pCmdBuf = (PVMSVGACMDBUF)RTMemAllocZ(sizeof(*pCmdBuf)); + if (pCmdBuf) + { + // RT_ZERO(pCmdBuf->nodeBuffer); + pCmdBuf->pCmdBufCtx = pCmdBufCtx; + // pCmdBuf->GCPhysCB = 0; + // RT_ZERO(pCmdBuf->hdr); + // pCmdBuf->pvCommands = NULL; + } + + return pCmdBuf; +} + + +/** Free a command buffer structure. + * + * @param pCmdBuf The command buffer pointer. + */ +static void vmsvgaR3CmdBufFree(PVMSVGACMDBUF pCmdBuf) +{ + if (pCmdBuf) + RTMemFree(pCmdBuf->pvCommands); + RTMemFree(pCmdBuf); +} + + +/** Initialize a command buffer context. + * + * @param pCmdBufCtx The command buffer context. + */ +static void vmsvgaR3CmdBufCtxInit(PVMSVGACMDBUFCTX pCmdBufCtx) +{ + RTListInit(&pCmdBufCtx->listSubmitted); + pCmdBufCtx->cSubmitted = 0; +} + + +/** Destroy a command buffer context. + * + * @param pCmdBufCtx The command buffer context pointer. + */ +static void vmsvgaR3CmdBufCtxTerm(PVMSVGACMDBUFCTX pCmdBufCtx) +{ + if (!pCmdBufCtx) + return; + + if (pCmdBufCtx->listSubmitted.pNext) + { + /* If the list has been initialized. */ + PVMSVGACMDBUF pIter, pNext; + RTListForEachSafe(&pCmdBufCtx->listSubmitted, pIter, pNext, VMSVGACMDBUF, nodeBuffer) + { + RTListNodeRemove(&pIter->nodeBuffer); + --pCmdBufCtx->cSubmitted; + vmsvgaR3CmdBufFree(pIter); + } + } + Assert(pCmdBufCtx->cSubmitted == 0); + pCmdBufCtx->cSubmitted = 0; +} + + +/** Handles SVGA_DC_CMD_START_STOP_CONTEXT command. + * + * @param pSvgaR3State VMSVGA R3 state. + * @param pCmd The command data. + * @return SVGACBStatus code. + * @thread EMT + */ +static SVGACBStatus vmsvgaR3CmdBufDCStartStop(PVMSVGAR3STATE pSvgaR3State, SVGADCCmdStartStop const *pCmd) +{ + /* Create or destroy a regular command buffer context. */ + if (pCmd->context >= RT_ELEMENTS(pSvgaR3State->apCmdBufCtxs)) + return SVGA_CB_STATUS_COMMAND_ERROR; + RT_UNTRUSTED_VALIDATED_FENCE(); + + SVGACBStatus CBStatus = SVGA_CB_STATUS_COMPLETED; + + int rc = RTCritSectEnter(&pSvgaR3State->CritSectCmdBuf); + AssertRC(rc); + if (pCmd->enable) + { + pSvgaR3State->apCmdBufCtxs[pCmd->context] = (PVMSVGACMDBUFCTX)RTMemAlloc(sizeof(VMSVGACMDBUFCTX)); + if (pSvgaR3State->apCmdBufCtxs[pCmd->context]) + vmsvgaR3CmdBufCtxInit(pSvgaR3State->apCmdBufCtxs[pCmd->context]); + else + CBStatus = SVGA_CB_STATUS_QUEUE_FULL; + } + else + { + vmsvgaR3CmdBufCtxTerm(pSvgaR3State->apCmdBufCtxs[pCmd->context]); + RTMemFree(pSvgaR3State->apCmdBufCtxs[pCmd->context]); + pSvgaR3State->apCmdBufCtxs[pCmd->context] = NULL; + } + RTCritSectLeave(&pSvgaR3State->CritSectCmdBuf); + + return CBStatus; +} + + +/** Handles SVGA_DC_CMD_PREEMPT command. + * + * @param pDevIns The device instance. + * @param pSvgaR3State VMSVGA R3 state. + * @param pCmd The command data. + * @return SVGACBStatus code. + * @thread EMT + */ +static SVGACBStatus vmsvgaR3CmdBufDCPreempt(PPDMDEVINS pDevIns, PVMSVGAR3STATE pSvgaR3State, SVGADCCmdPreempt const *pCmd) +{ + /* Remove buffers from the processing queue of the specified context. */ + if (pCmd->context >= RT_ELEMENTS(pSvgaR3State->apCmdBufCtxs)) + return SVGA_CB_STATUS_COMMAND_ERROR; + RT_UNTRUSTED_VALIDATED_FENCE(); + + PVMSVGACMDBUFCTX const pCmdBufCtx = pSvgaR3State->apCmdBufCtxs[pCmd->context]; + RTLISTANCHOR listPreempted; + + int rc = RTCritSectEnter(&pSvgaR3State->CritSectCmdBuf); + AssertRC(rc); + if (pCmd->ignoreIDZero) + { + RTListInit(&listPreempted); + + PVMSVGACMDBUF pIter, pNext; + RTListForEachSafe(&pCmdBufCtx->listSubmitted, pIter, pNext, VMSVGACMDBUF, nodeBuffer) + { + if (pIter->hdr.id == 0) + continue; + + RTListNodeRemove(&pIter->nodeBuffer); + --pCmdBufCtx->cSubmitted; + RTListAppend(&listPreempted, &pIter->nodeBuffer); + } + } + else + { + RTListMove(&listPreempted, &pCmdBufCtx->listSubmitted); + pCmdBufCtx->cSubmitted = 0; + } + RTCritSectLeave(&pSvgaR3State->CritSectCmdBuf); + + PVMSVGACMDBUF pIter, pNext; + RTListForEachSafe(&listPreempted, pIter, pNext, VMSVGACMDBUF, nodeBuffer) + { + RTListNodeRemove(&pIter->nodeBuffer); + vmsvgaR3CmdBufWriteStatus(pDevIns, pIter->GCPhysCB, SVGA_CB_STATUS_PREEMPTED, 0); + LogFunc(("Preempted %RX64\n", pIter->GCPhysCB)); + vmsvgaR3CmdBufFree(pIter); + } + + return SVGA_CB_STATUS_COMPLETED; +} + + +/** @def VMSVGA_INC_CMD_SIZE_BREAK + * Increments the size of the command cbCmd by a_cbMore. + * Checks that the command buffer has at least cbCmd bytes. Will break out of the switch if it doesn't. + * Used by vmsvgaR3CmdBufProcessDC and vmsvgaR3CmdBufProcessCommands. + */ +#define VMSVGA_INC_CMD_SIZE_BREAK(a_cbMore) \ + if (1) { \ + cbCmd += (a_cbMore); \ + ASSERT_GUEST_MSG_STMT_BREAK(cbRemain >= cbCmd, ("size=%#x remain=%#zx\n", cbCmd, (size_t)cbRemain), CBstatus = SVGA_CB_STATUS_COMMAND_ERROR); \ + RT_UNTRUSTED_VALIDATED_FENCE(); \ + } else do {} while (0) + + +/** Processes Device Context command buffer. + * + * @param pDevIns The device instance. + * @param pSvgaR3State VMSVGA R3 state. + * @param pvCommands Pointer to the command buffer. + * @param cbCommands Size of the command buffer. + * @param poffNextCmd Where to store the offset of the first unprocessed command. + * @return SVGACBStatus code. + * @thread EMT + */ +static SVGACBStatus vmsvgaR3CmdBufProcessDC(PPDMDEVINS pDevIns, PVMSVGAR3STATE pSvgaR3State, void const *pvCommands, uint32_t cbCommands, uint32_t *poffNextCmd) +{ + SVGACBStatus CBstatus = SVGA_CB_STATUS_COMPLETED; + + uint8_t const *pu8Cmd = (uint8_t *)pvCommands; + uint32_t cbRemain = cbCommands; + while (cbRemain) + { + /* Command identifier is a 32 bit value. */ + if (cbRemain < sizeof(uint32_t)) + { + CBstatus = SVGA_CB_STATUS_COMMAND_ERROR; + break; + } + + /* Fetch the command id. */ + uint32_t const cmdId = *(uint32_t *)pu8Cmd; + uint32_t cbCmd = sizeof(uint32_t); + switch (cmdId) + { + case SVGA_DC_CMD_NOP: + { + /* NOP */ + break; + } + + case SVGA_DC_CMD_START_STOP_CONTEXT: + { + SVGADCCmdStartStop *pCmd = (SVGADCCmdStartStop *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + CBstatus = vmsvgaR3CmdBufDCStartStop(pSvgaR3State, pCmd); + break; + } + + case SVGA_DC_CMD_PREEMPT: + { + SVGADCCmdPreempt *pCmd = (SVGADCCmdPreempt *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + CBstatus = vmsvgaR3CmdBufDCPreempt(pDevIns, pSvgaR3State, pCmd); + break; + } + + default: + { + /* Unsupported command. */ + CBstatus = SVGA_CB_STATUS_COMMAND_ERROR; + break; + } + } + + if (CBstatus != SVGA_CB_STATUS_COMPLETED) + break; + + pu8Cmd += cbCmd; + cbRemain -= cbCmd; + } + + Assert(cbRemain <= cbCommands); + *poffNextCmd = cbCommands - cbRemain; + return CBstatus; +} + + +/** Submits a device context command buffer for synchronous processing. + * + * @param pDevIns The device instance. + * @param pThisCC The VGA/VMSVGA state for the current context. + * @param ppCmdBuf Pointer to the command buffer pointer. + * The function can set the command buffer pointer to NULL to prevent deallocation by the caller. + * @param poffNextCmd Where to store the offset of the first unprocessed command. + * @return SVGACBStatus code. + * @thread EMT + */ +static SVGACBStatus vmsvgaR3CmdBufSubmitDC(PPDMDEVINS pDevIns, PVGASTATECC pThisCC, PVMSVGACMDBUF *ppCmdBuf, uint32_t *poffNextCmd) +{ + /* Synchronously process the device context commands. */ + PVMSVGAR3STATE const pSvgaR3State = pThisCC->svga.pSvgaR3State; + return vmsvgaR3CmdBufProcessDC(pDevIns, pSvgaR3State, (*ppCmdBuf)->pvCommands, (*ppCmdBuf)->hdr.length, poffNextCmd); +} + +/** Submits a command buffer for asynchronous processing by the FIFO thread. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA state. + * @param pThisCC The VGA/VMSVGA state for the current context. + * @param ppCmdBuf Pointer to the command buffer pointer. + * The function can set the command buffer pointer to NULL to prevent deallocation by the caller. + * @return SVGACBStatus code. + * @thread EMT + */ +static SVGACBStatus vmsvgaR3CmdBufSubmitCtx(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, PVMSVGACMDBUF *ppCmdBuf) +{ + /* Command buffer submission. */ + PVMSVGAR3STATE const pSvgaR3State = pThisCC->svga.pSvgaR3State; + + SVGACBStatus CBstatus = SVGA_CB_STATUS_NONE; + + PVMSVGACMDBUF const pCmdBuf = *ppCmdBuf; + PVMSVGACMDBUFCTX const pCmdBufCtx = pCmdBuf->pCmdBufCtx; + + int rc = RTCritSectEnter(&pSvgaR3State->CritSectCmdBuf); + AssertRC(rc); + + if (RT_LIKELY(pCmdBufCtx->cSubmitted < SVGA_CB_MAX_QUEUED_PER_CONTEXT)) + { + RTListAppend(&pCmdBufCtx->listSubmitted, &pCmdBuf->nodeBuffer); + ++pCmdBufCtx->cSubmitted; + *ppCmdBuf = NULL; /* Consume the buffer. */ + ASMAtomicWriteU32(&pThisCC->svga.pSvgaR3State->fCmdBuf, 1); + } + else + CBstatus = SVGA_CB_STATUS_QUEUE_FULL; + + RTCritSectLeave(&pSvgaR3State->CritSectCmdBuf); + + /* Inform the FIFO thread. */ + if (*ppCmdBuf == NULL) + PDMDevHlpSUPSemEventSignal(pDevIns, pThis->svga.hFIFORequestSem); + + return CBstatus; +} + + +/** SVGA_REG_COMMAND_LOW write handler. + * Submits a command buffer to the FIFO thread or processes a device context command. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA state. + * @param pThisCC The VGA/VMSVGA state for the current context. + * @param GCPhysCB Guest physical address of the command buffer header. + * @param CBCtx Context the command buffer is submitted to. + * @thread EMT + */ +static void vmsvgaR3CmdBufSubmit(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, RTGCPHYS GCPhysCB, SVGACBContext CBCtx) +{ + PVMSVGAR3STATE const pSvgaR3State = pThisCC->svga.pSvgaR3State; + + SVGACBStatus CBstatus = SVGA_CB_STATUS_NONE; + uint32_t offNextCmd = 0; + uint32_t fIRQ = 0; + + /* Get the context if the device has the capability. */ + PVMSVGACMDBUFCTX pCmdBufCtx = NULL; + if (pThis->svga.u32DeviceCaps & SVGA_CAP_COMMAND_BUFFERS) + { + if (RT_LIKELY(CBCtx < RT_ELEMENTS(pSvgaR3State->apCmdBufCtxs))) + pCmdBufCtx = pSvgaR3State->apCmdBufCtxs[CBCtx]; + else if (CBCtx == SVGA_CB_CONTEXT_DEVICE) + pCmdBufCtx = &pSvgaR3State->CmdBufCtxDC; + RT_UNTRUSTED_VALIDATED_FENCE(); + } + + /* Allocate a new command buffer. */ + PVMSVGACMDBUF pCmdBuf = vmsvgaR3CmdBufAlloc(pCmdBufCtx); + if (RT_LIKELY(pCmdBuf)) + { + pCmdBuf->GCPhysCB = GCPhysCB; + + int rc = PDMDevHlpPCIPhysRead(pDevIns, GCPhysCB, &pCmdBuf->hdr, sizeof(pCmdBuf->hdr)); + if (RT_SUCCESS(rc)) + { + LogFunc(("status %RX32 errorOffset %RX32 id %RX64 flags %RX32 length %RX32 ptr %RX64 offset %RX32 dxContext %RX32 (%RX32 %RX32 %RX32 %RX32 %RX32 %RX32)\n", + pCmdBuf->hdr.status, + pCmdBuf->hdr.errorOffset, + pCmdBuf->hdr.id, + pCmdBuf->hdr.flags, + pCmdBuf->hdr.length, + pCmdBuf->hdr.ptr.pa, + pCmdBuf->hdr.offset, + pCmdBuf->hdr.dxContext, + pCmdBuf->hdr.mustBeZero[0], + pCmdBuf->hdr.mustBeZero[1], + pCmdBuf->hdr.mustBeZero[2], + pCmdBuf->hdr.mustBeZero[3], + pCmdBuf->hdr.mustBeZero[4], + pCmdBuf->hdr.mustBeZero[5])); + + /* Verify the command buffer header. */ + if (RT_LIKELY( pCmdBuf->hdr.status == SVGA_CB_STATUS_NONE + && (pCmdBuf->hdr.flags & ~(SVGA_CB_FLAG_NO_IRQ | SVGA_CB_FLAG_DX_CONTEXT)) == 0 /* No unexpected flags. */ + && pCmdBuf->hdr.length <= SVGA_CB_MAX_SIZE)) + { + RT_UNTRUSTED_VALIDATED_FENCE(); + + /* Read the command buffer content. */ + pCmdBuf->pvCommands = RTMemAlloc(pCmdBuf->hdr.length); + if (pCmdBuf->pvCommands) + { + RTGCPHYS const GCPhysCmd = (RTGCPHYS)pCmdBuf->hdr.ptr.pa; + rc = PDMDevHlpPCIPhysRead(pDevIns, GCPhysCmd, pCmdBuf->pvCommands, pCmdBuf->hdr.length); + if (RT_SUCCESS(rc)) + { + /* Submit the buffer. Device context buffers will be processed synchronously. */ + if (RT_LIKELY(CBCtx < RT_ELEMENTS(pSvgaR3State->apCmdBufCtxs))) + /* This usually processes the CB async and sets pCmbBuf to NULL. */ + CBstatus = vmsvgaR3CmdBufSubmitCtx(pDevIns, pThis, pThisCC, &pCmdBuf); + else + CBstatus = vmsvgaR3CmdBufSubmitDC(pDevIns, pThisCC, &pCmdBuf, &offNextCmd); + } + else + { + ASSERT_GUEST_MSG_FAILED(("Failed to read commands at %RGp\n", GCPhysCmd)); + CBstatus = SVGA_CB_STATUS_CB_HEADER_ERROR; + fIRQ = SVGA_IRQFLAG_ERROR | SVGA_IRQFLAG_COMMAND_BUFFER; + } + } + else + { + /* No memory for commands. */ + CBstatus = SVGA_CB_STATUS_QUEUE_FULL; + } + } + else + { + ASSERT_GUEST_MSG_FAILED(("Invalid buffer header\n")); + CBstatus = SVGA_CB_STATUS_CB_HEADER_ERROR; + fIRQ = SVGA_IRQFLAG_ERROR | SVGA_IRQFLAG_COMMAND_BUFFER; + } + } + else + { + LogFunc(("Failed to read buffer header at %RGp\n", GCPhysCB)); + ASSERT_GUEST_FAILED(); + /* Do not attempt to write the status. */ + } + + /* Free the buffer if pfnCmdBufSubmit did not consume it. */ + vmsvgaR3CmdBufFree(pCmdBuf); + } + else + { + LogFunc(("Can't allocate buffer for context id %#x\n", CBCtx)); + AssertFailed(); + CBstatus = SVGA_CB_STATUS_QUEUE_FULL; + } + + if (CBstatus != SVGA_CB_STATUS_NONE) + { + LogFunc(("Write status %#x, offNextCmd %#x, fIRQ %#x\n", CBstatus, offNextCmd, fIRQ)); + vmsvgaR3CmdBufWriteStatus(pDevIns, GCPhysCB, CBstatus, offNextCmd); + if (fIRQ) + vmsvgaR3CmdBufRaiseIRQ(pDevIns, pThis, fIRQ); + } +} + + +/** Checks if there are some buffers to be processed. + * + * @param pThisCC The VGA/VMSVGA state for the current context. + * @return true if buffers must be processed. + * @thread FIFO + */ +static bool vmsvgaR3CmdBufHasWork(PVGASTATECC pThisCC) +{ + PVMSVGAR3STATE const pSvgaR3State = pThisCC->svga.pSvgaR3State; + return RT_BOOL(ASMAtomicReadU32(&pSvgaR3State->fCmdBuf)); +} + + +/** Processes a command buffer. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA state. + * @param pThisCC The VGA/VMSVGA state for the current context. + * @param idDXContext VGPU10 DX context of the commands or SVGA3D_INVALID_ID if they are not for a specific context. + * @param pvCommands Pointer to the command buffer. + * @param cbCommands Size of the command buffer. + * @param poffNextCmd Where to store the offset of the first unprocessed command. + * @param pu32IrqStatus Where to store SVGA_IRQFLAG_ if the IRQ is generated by the last command in the buffer. + * @return SVGACBStatus code. + * @thread FIFO + */ +static SVGACBStatus vmsvgaR3CmdBufProcessCommands(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t idDXContext, void const *pvCommands, uint32_t cbCommands, uint32_t *poffNextCmd, uint32_t *pu32IrqStatus) +{ +# ifndef VBOX_WITH_VMSVGA3D + RT_NOREF(idDXContext); +# endif + SVGACBStatus CBstatus = SVGA_CB_STATUS_COMPLETED; + PVMSVGAR3STATE const pSvgaR3State = pThisCC->svga.pSvgaR3State; + +# ifdef VBOX_WITH_VMSVGA3D +# ifdef VMSVGA3D_DX + /* Commands submitted for the SVGA3D_INVALID_ID context do not affect pipeline. So ignore them. */ + if (idDXContext != SVGA3D_INVALID_ID) + { + if (pSvgaR3State->idDXContextCurrent != idDXContext) + { + LogFlow(("DXCTX: buffer %d->%d\n", pSvgaR3State->idDXContextCurrent, idDXContext)); + vmsvga3dDXSwitchContext(pThisCC, idDXContext); + pSvgaR3State->idDXContextCurrent = idDXContext; + } + } +# endif +# endif + + uint32_t RT_UNTRUSTED_VOLATILE_GUEST * const pFIFO = pThisCC->svga.pau32FIFO; + + uint8_t const *pu8Cmd = (uint8_t *)pvCommands; + uint32_t cbRemain = cbCommands; + while (cbRemain) + { + /* Command identifier is a 32 bit value. */ + if (cbRemain < sizeof(uint32_t)) + { + CBstatus = SVGA_CB_STATUS_COMMAND_ERROR; + break; + } + + /* Fetch the command id. + * 'cmdId' is actually a SVGAFifoCmdId. It is treated as uint32_t in order to avoid a compiler + * warning. Because we support some obsolete and deprecated commands, which are not included in + * the SVGAFifoCmdId enum in the VMSVGA headers anymore. + */ + uint32_t const cmdId = *(uint32_t *)pu8Cmd; + uint32_t cbCmd = sizeof(uint32_t); + + LogFunc(("[cid=%d] %s %d\n", (int32_t)idDXContext, vmsvgaR3FifoCmdToString(cmdId), cmdId)); +# ifdef LOG_ENABLED +# ifdef VBOX_WITH_VMSVGA3D + if (SVGA_3D_CMD_BASE <= cmdId && cmdId < SVGA_3D_CMD_MAX) + { + SVGA3dCmdHeader const *header = (SVGA3dCmdHeader *)pu8Cmd; + svga_dump_command(cmdId, (uint8_t *)&header[1], header->size); + } + else if (cmdId == SVGA_CMD_FENCE) + { + Log7(("\tSVGA_CMD_FENCE\n")); + Log7(("\t\t0x%08x\n", ((uint32_t *)pu8Cmd)[1])); + } +# endif +# endif + + /* At the end of the switch cbCmd is equal to the total length of the command including the cmdId. + * I.e. pu8Cmd + cbCmd must point to the next command. + * However if CBstatus is set to anything but SVGA_CB_STATUS_COMPLETED in the switch, then + * the cbCmd value is ignored (and pu8Cmd still points to the failed command). + */ + /** @todo This code is very similar to the FIFO loop command processing. Think about merging. */ + switch (cmdId) + { + case SVGA_CMD_INVALID_CMD: + { + /* Nothing to do. */ + STAM_REL_COUNTER_INC(&pSvgaR3State->StatR3CmdInvalidCmd); + break; + } + + case SVGA_CMD_FENCE: + { + SVGAFifoCmdFence *pCmd = (SVGAFifoCmdFence *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + STAM_REL_COUNTER_INC(&pSvgaR3State->StatR3CmdFence); + Log(("SVGA_CMD_FENCE %#x\n", pCmd->fence)); + + uint32_t const offFifoMin = pFIFO[SVGA_FIFO_MIN]; + if (VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_FENCE, offFifoMin)) + { + pFIFO[SVGA_FIFO_FENCE] = pCmd->fence; + + if (pThis->svga.u32IrqMask & SVGA_IRQFLAG_ANY_FENCE) + { + Log(("any fence irq\n")); + *pu32IrqStatus |= SVGA_IRQFLAG_ANY_FENCE; + } + else if ( VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_FENCE_GOAL, offFifoMin) + && (pThis->svga.u32IrqMask & SVGA_IRQFLAG_FENCE_GOAL) + && pFIFO[SVGA_FIFO_FENCE_GOAL] == pCmd->fence) + { + Log(("fence goal reached irq (fence=%#x)\n", pCmd->fence)); + *pu32IrqStatus |= SVGA_IRQFLAG_FENCE_GOAL; + } + } + else + Log(("SVGA_CMD_FENCE is bogus when offFifoMin is %#x!\n", offFifoMin)); + break; + } + + case SVGA_CMD_UPDATE: + { + SVGAFifoCmdUpdate *pCmd = (SVGAFifoCmdUpdate *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdUpdate(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_UPDATE_VERBOSE: + { + SVGAFifoCmdUpdateVerbose *pCmd = (SVGAFifoCmdUpdateVerbose *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdUpdateVerbose(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DEFINE_CURSOR: + { + /* Followed by bitmap data. */ + SVGAFifoCmdDefineCursor *pCmd = (SVGAFifoCmdDefineCursor *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + + /* Figure out the size of the bitmap data. */ + ASSERT_GUEST_STMT_BREAK(pCmd->height < 2048 && pCmd->width < 2048, CBstatus = SVGA_CB_STATUS_COMMAND_ERROR); + ASSERT_GUEST_STMT_BREAK(pCmd->andMaskDepth <= 32, CBstatus = SVGA_CB_STATUS_COMMAND_ERROR); + ASSERT_GUEST_STMT_BREAK(pCmd->xorMaskDepth <= 32, CBstatus = SVGA_CB_STATUS_COMMAND_ERROR); + RT_UNTRUSTED_VALIDATED_FENCE(); + + uint32_t const cbAndLine = RT_ALIGN_32(pCmd->width * (pCmd->andMaskDepth + (pCmd->andMaskDepth == 15)), 32) / 8; + uint32_t const cbAndMask = cbAndLine * pCmd->height; + uint32_t const cbXorLine = RT_ALIGN_32(pCmd->width * (pCmd->xorMaskDepth + (pCmd->xorMaskDepth == 15)), 32) / 8; + uint32_t const cbXorMask = cbXorLine * pCmd->height; + + VMSVGA_INC_CMD_SIZE_BREAK(cbAndMask + cbXorMask); + vmsvgaR3CmdDefineCursor(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DEFINE_ALPHA_CURSOR: + { + /* Followed by bitmap data. */ + SVGAFifoCmdDefineAlphaCursor *pCmd = (SVGAFifoCmdDefineAlphaCursor *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + + /* Figure out the size of the bitmap data. */ + ASSERT_GUEST_STMT_BREAK(pCmd->height < 2048 && pCmd->width < 2048, CBstatus = SVGA_CB_STATUS_COMMAND_ERROR); + + VMSVGA_INC_CMD_SIZE_BREAK(pCmd->width * pCmd->height * sizeof(uint32_t)); /* 32-bit BRGA format */ + vmsvgaR3CmdDefineAlphaCursor(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_MOVE_CURSOR: + { + /* Deprecated; there should be no driver which *requires* this command. However, if + * we do ecncounter this command, it might be useful to not get the FIFO completely out of + * alignment. + * May be issued by guest if SVGA_CAP_CURSOR_BYPASS is missing. + */ + SVGAFifoCmdMoveCursor *pCmd = (SVGAFifoCmdMoveCursor *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdMoveCursor(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DISPLAY_CURSOR: + { + /* Deprecated; there should be no driver which *requires* this command. However, if + * we do ecncounter this command, it might be useful to not get the FIFO completely out of + * alignment. + * May be issued by guest if SVGA_CAP_CURSOR_BYPASS is missing. + */ + SVGAFifoCmdDisplayCursor *pCmd = (SVGAFifoCmdDisplayCursor *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdDisplayCursor(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_RECT_FILL: + { + SVGAFifoCmdRectFill *pCmd = (SVGAFifoCmdRectFill *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdRectFill(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_RECT_COPY: + { + SVGAFifoCmdRectCopy *pCmd = (SVGAFifoCmdRectCopy *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdRectCopy(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_RECT_ROP_COPY: + { + SVGAFifoCmdRectRopCopy *pCmd = (SVGAFifoCmdRectRopCopy *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdRectRopCopy(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_ESCAPE: + { + /* Followed by 'size' bytes of data. */ + SVGAFifoCmdEscape *pCmd = (SVGAFifoCmdEscape *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + + ASSERT_GUEST_STMT_BREAK(pCmd->size < pThis->svga.cbFIFO - sizeof(SVGAFifoCmdEscape), CBstatus = SVGA_CB_STATUS_COMMAND_ERROR); + RT_UNTRUSTED_VALIDATED_FENCE(); + + VMSVGA_INC_CMD_SIZE_BREAK(pCmd->size); + vmsvgaR3CmdEscape(pThis, pThisCC, pCmd); + break; + } +# ifdef VBOX_WITH_VMSVGA3D + case SVGA_CMD_DEFINE_GMR2: + { + SVGAFifoCmdDefineGMR2 *pCmd = (SVGAFifoCmdDefineGMR2 *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdDefineGMR2(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_REMAP_GMR2: + { + /* Followed by page descriptors or guest ptr. */ + SVGAFifoCmdRemapGMR2 *pCmd = (SVGAFifoCmdRemapGMR2 *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + + /* Calculate the size of what comes after next and fetch it. */ + uint32_t cbMore = 0; + if (pCmd->flags & SVGA_REMAP_GMR2_VIA_GMR) + cbMore = sizeof(SVGAGuestPtr); + else + { + uint32_t const cbPageDesc = (pCmd->flags & SVGA_REMAP_GMR2_PPN64) ? sizeof(uint64_t) : sizeof(uint32_t); + if (pCmd->flags & SVGA_REMAP_GMR2_SINGLE_PPN) + { + cbMore = cbPageDesc; + pCmd->numPages = 1; + } + else + { + ASSERT_GUEST_STMT_BREAK(pCmd->numPages <= pThis->svga.cbFIFO / cbPageDesc, CBstatus = SVGA_CB_STATUS_COMMAND_ERROR); + cbMore = cbPageDesc * pCmd->numPages; + } + } + VMSVGA_INC_CMD_SIZE_BREAK(cbMore); + vmsvgaR3CmdRemapGMR2(pThis, pThisCC, pCmd); +# ifdef DEBUG_GMR_ACCESS + VMR3ReqCallWaitU(PDMDevHlpGetUVM(pDevIns), VMCPUID_ANY, (PFNRT)vmsvgaR3RegisterGmr, 2, pDevIns, pCmd->gmrId); +# endif + break; + } +# endif /* VBOX_WITH_VMSVGA3D */ + case SVGA_CMD_DEFINE_SCREEN: + { + /* The size of this command is specified by the guest and depends on capabilities. */ + SVGAFifoCmdDefineScreen *pCmd = (SVGAFifoCmdDefineScreen *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(pCmd->screen.structSize)); + ASSERT_GUEST_STMT_BREAK(pCmd->screen.structSize < pThis->svga.cbFIFO, CBstatus = SVGA_CB_STATUS_COMMAND_ERROR); + RT_UNTRUSTED_VALIDATED_FENCE(); + + VMSVGA_INC_CMD_SIZE_BREAK(RT_MAX(sizeof(pCmd->screen.structSize), pCmd->screen.structSize) - sizeof(pCmd->screen.structSize)); + vmsvgaR3CmdDefineScreen(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DESTROY_SCREEN: + { + SVGAFifoCmdDestroyScreen *pCmd = (SVGAFifoCmdDestroyScreen *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdDestroyScreen(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DEFINE_GMRFB: + { + SVGAFifoCmdDefineGMRFB *pCmd = (SVGAFifoCmdDefineGMRFB *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdDefineGMRFB(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_BLIT_GMRFB_TO_SCREEN: + { + SVGAFifoCmdBlitGMRFBToScreen *pCmd = (SVGAFifoCmdBlitGMRFBToScreen *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdBlitGMRFBToScreen(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_BLIT_SCREEN_TO_GMRFB: + { + SVGAFifoCmdBlitScreenToGMRFB *pCmd = (SVGAFifoCmdBlitScreenToGMRFB *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdBlitScreenToGMRFB(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_ANNOTATION_FILL: + { + SVGAFifoCmdAnnotationFill *pCmd = (SVGAFifoCmdAnnotationFill *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdAnnotationFill(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_ANNOTATION_COPY: + { + SVGAFifoCmdAnnotationCopy *pCmd = (SVGAFifoCmdAnnotationCopy *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pCmd)); + vmsvgaR3CmdAnnotationCopy(pThis, pThisCC, pCmd); + break; + } + + default: + { +# ifdef VBOX_WITH_VMSVGA3D + if ( cmdId >= SVGA_3D_CMD_BASE + && cmdId < SVGA_3D_CMD_MAX) + { + RT_UNTRUSTED_VALIDATED_FENCE(); + + /* All 3d commands start with a common header, which defines the identifier and the size + * of the command. The identifier has been already read. Fetch the size. + */ + uint32_t const *pcbMore = (uint32_t const *)&pu8Cmd[cbCmd]; + VMSVGA_INC_CMD_SIZE_BREAK(sizeof(*pcbMore)); + VMSVGA_INC_CMD_SIZE_BREAK(*pcbMore); + if (RT_LIKELY(pThis->svga.f3DEnabled)) + { /* likely */ } + else + { + LogRelMax(8, ("VMSVGA: 3D disabled, command %d skipped\n", cmdId)); + break; + } + + /* Command data begins after the 32 bit command length. */ + int rc = vmsvgaR3Process3dCmd(pThis, pThisCC, idDXContext, (SVGAFifo3dCmdId)cmdId, *pcbMore, pcbMore + 1); + if (RT_SUCCESS(rc)) + { /* likely */ } + else + { + CBstatus = SVGA_CB_STATUS_COMMAND_ERROR; + break; + } + } + else +# endif /* VBOX_WITH_VMSVGA3D */ + { + /* Unsupported command. */ + STAM_REL_COUNTER_INC(&pSvgaR3State->StatFifoUnkCmds); + ASSERT_GUEST_MSG_FAILED(("cmdId=%d\n", cmdId)); + LogRelMax(16, ("VMSVGA: unsupported command %d\n", cmdId)); + CBstatus = SVGA_CB_STATUS_COMMAND_ERROR; + break; + } + } + } + + if (CBstatus != SVGA_CB_STATUS_COMPLETED) + break; + + pu8Cmd += cbCmd; + cbRemain -= cbCmd; + + /* If this is not the last command in the buffer, then generate IRQ, if required. + * This avoids a double call to vmsvgaR3CmdBufRaiseIRQ if FENCE is the last command + * in the buffer (usually the case). + */ + if (RT_LIKELY(!(cbRemain && *pu32IrqStatus))) + { /* likely */ } + else + { + vmsvgaR3CmdBufRaiseIRQ(pDevIns, pThis, *pu32IrqStatus); + *pu32IrqStatus = 0; + } + } + + Assert(cbRemain <= cbCommands); + *poffNextCmd = cbCommands - cbRemain; + return CBstatus; +} + + +/** Process command buffers. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA state. + * @param pThisCC The VGA/VMSVGA state for the current context. + * @param pThread Handle of the FIFO thread. + * @thread FIFO + */ +static void vmsvgaR3CmdBufProcessBuffers(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, PPDMTHREAD pThread) +{ + PVMSVGAR3STATE const pSvgaR3State = pThisCC->svga.pSvgaR3State; + + for (;;) + { + if (pThread->enmState != PDMTHREADSTATE_RUNNING) + break; + + /* See if there is a submitted buffer. */ + PVMSVGACMDBUF pCmdBuf = NULL; + + int rc = RTCritSectEnter(&pSvgaR3State->CritSectCmdBuf); + AssertRC(rc); + + /* It seems that a higher queue index has a higher priority. + * See SVGACBContext in svga_reg.h from latest vmwgfx Linux driver. + */ + for (unsigned i = RT_ELEMENTS(pSvgaR3State->apCmdBufCtxs); i > 0; --i) + { + PVMSVGACMDBUFCTX pCmdBufCtx = pSvgaR3State->apCmdBufCtxs[i - 1]; + if (pCmdBufCtx) + { + pCmdBuf = RTListRemoveFirst(&pCmdBufCtx->listSubmitted, VMSVGACMDBUF, nodeBuffer); + if (pCmdBuf) + { + Assert(pCmdBufCtx->cSubmitted > 0); + --pCmdBufCtx->cSubmitted; + break; + } + } + } + + if (!pCmdBuf) + { + ASMAtomicWriteU32(&pSvgaR3State->fCmdBuf, 0); + RTCritSectLeave(&pSvgaR3State->CritSectCmdBuf); + break; + } + + RTCritSectLeave(&pSvgaR3State->CritSectCmdBuf); + + SVGACBStatus CBstatus = SVGA_CB_STATUS_NONE; + uint32_t offNextCmd = 0; + uint32_t u32IrqStatus = 0; + uint32_t const idDXContext = RT_BOOL(pCmdBuf->hdr.flags & SVGA_CB_FLAG_DX_CONTEXT) + ? pCmdBuf->hdr.dxContext + : SVGA3D_INVALID_ID; + /* Process one buffer. */ + CBstatus = vmsvgaR3CmdBufProcessCommands(pDevIns, pThis, pThisCC, idDXContext, pCmdBuf->pvCommands, pCmdBuf->hdr.length, &offNextCmd, &u32IrqStatus); + + if (!RT_BOOL(pCmdBuf->hdr.flags & SVGA_CB_FLAG_NO_IRQ)) + u32IrqStatus |= SVGA_IRQFLAG_COMMAND_BUFFER; + if (CBstatus == SVGA_CB_STATUS_COMMAND_ERROR) + u32IrqStatus |= SVGA_IRQFLAG_ERROR; + + vmsvgaR3CmdBufWriteStatus(pDevIns, pCmdBuf->GCPhysCB, CBstatus, offNextCmd); + if (u32IrqStatus) + vmsvgaR3CmdBufRaiseIRQ(pDevIns, pThis, u32IrqStatus); + + vmsvgaR3CmdBufFree(pCmdBuf); + } +} + + +/** + * Worker for vmsvgaR3FifoThread that handles an external command. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + */ +static void vmsvgaR3FifoHandleExtCmd(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) +{ + uint8_t uExtCmd = pThis->svga.u8FIFOExtCommand; + switch (pThis->svga.u8FIFOExtCommand) + { + case VMSVGA_FIFO_EXTCMD_RESET: + Log(("vmsvgaR3FifoLoop: reset the fifo thread.\n")); + Assert(pThisCC->svga.pvFIFOExtCmdParam == NULL); + + vmsvgaR3ResetScreens(pThis, pThisCC); +# ifdef VBOX_WITH_VMSVGA3D + /* The 3d subsystem must be reset from the fifo thread. */ + if (pThis->svga.f3DEnabled) + vmsvga3dReset(pThisCC); +# endif + vmsvgaR3ResetSvgaState(pThis, pThisCC); + break; + + case VMSVGA_FIFO_EXTCMD_POWEROFF: + Log(("vmsvgaR3FifoLoop: power off.\n")); + Assert(pThisCC->svga.pvFIFOExtCmdParam == NULL); + + /* The screens must be reset on the FIFO thread, because they may use 3D resources. */ + vmsvgaR3ResetScreens(pThis, pThisCC); + break; + + case VMSVGA_FIFO_EXTCMD_TERMINATE: + Log(("vmsvgaR3FifoLoop: terminate the fifo thread.\n")); + Assert(pThisCC->svga.pvFIFOExtCmdParam == NULL); + +# ifdef VBOX_WITH_VMSVGA3D + /* The 3d subsystem must be shut down from the fifo thread. */ + if (pThis->svga.f3DEnabled) + vmsvga3dTerminate(pThisCC); +# endif + vmsvgaR3TerminateSvgaState(pThis, pThisCC); + break; + + case VMSVGA_FIFO_EXTCMD_SAVESTATE: + { + Log(("vmsvgaR3FifoLoop: VMSVGA_FIFO_EXTCMD_SAVESTATE.\n")); + PSSMHANDLE pSSM = (PSSMHANDLE)pThisCC->svga.pvFIFOExtCmdParam; + AssertLogRelMsgBreak(RT_VALID_PTR(pSSM), ("pSSM=%p\n", pSSM)); + vmsvgaR3SaveExecFifo(pDevIns->pHlpR3, pThisCC, pSSM); +# ifdef VBOX_WITH_VMSVGA3D + if (pThis->svga.f3DEnabled) + { + if (vmsvga3dIsLegacyBackend(pThisCC)) + vmsvga3dSaveExec(pDevIns, pThisCC, pSSM); +# ifdef VMSVGA3D_DX + else + vmsvga3dDXSaveExec(pDevIns, pThisCC, pSSM); +# endif + } +# endif + break; + } + + case VMSVGA_FIFO_EXTCMD_LOADSTATE: + { + Log(("vmsvgaR3FifoLoop: VMSVGA_FIFO_EXTCMD_LOADSTATE.\n")); + PVMSVGA_STATE_LOAD pLoadState = (PVMSVGA_STATE_LOAD)pThisCC->svga.pvFIFOExtCmdParam; + AssertLogRelMsgBreak(RT_VALID_PTR(pLoadState), ("pLoadState=%p\n", pLoadState)); + vmsvgaR3LoadExecFifo(pDevIns->pHlpR3, pThis, pThisCC, pLoadState->pSSM, pLoadState->uVersion, pLoadState->uPass); +# ifdef VBOX_WITH_VMSVGA3D + if (pThis->svga.f3DEnabled) + { + /* The following RT_OS_DARWIN code was in vmsvga3dLoadExec and therefore must be executed before each vmsvga3dLoadExec invocation. */ +# ifndef RT_OS_DARWIN /** @todo r=bird: this is normally done on the EMT, so for DARWIN we do that when loading saved state too now. See DevVGA-SVGA.cpp */ + /* Must initialize now as the recreation calls below rely on an initialized 3d subsystem. */ + vmsvgaR3PowerOnDevice(pDevIns, pThis, pThisCC, /*fLoadState=*/ true); +# endif + + if (vmsvga3dIsLegacyBackend(pThisCC)) + vmsvga3dLoadExec(pDevIns, pThis, pThisCC, pLoadState->pSSM, pLoadState->uVersion, pLoadState->uPass); +# ifdef VMSVGA3D_DX + else + vmsvga3dDXLoadExec(pDevIns, pThis, pThisCC, pLoadState->pSSM, pLoadState->uVersion, pLoadState->uPass); +# endif + } +# endif + break; + } + + case VMSVGA_FIFO_EXTCMD_UPDATE_SURFACE_HEAP_BUFFERS: + { +# ifdef VBOX_WITH_VMSVGA3D + uint32_t sid = (uint32_t)(uintptr_t)pThisCC->svga.pvFIFOExtCmdParam; + Log(("vmsvgaR3FifoLoop: VMSVGA_FIFO_EXTCMD_UPDATE_SURFACE_HEAP_BUFFERS sid=%#x\n", sid)); + vmsvga3dUpdateHeapBuffersForSurfaces(pThisCC, sid); +# endif + break; + } + + + default: + AssertLogRelMsgFailed(("uExtCmd=%#x pvFIFOExtCmdParam=%p\n", uExtCmd, pThisCC->svga.pvFIFOExtCmdParam)); + break; + } + + /* + * Signal the end of the external command. + */ + pThisCC->svga.pvFIFOExtCmdParam = NULL; + pThis->svga.u8FIFOExtCommand = VMSVGA_FIFO_EXTCMD_NONE; + ASMMemoryFence(); /* paranoia^2 */ + int rc = RTSemEventSignal(pThisCC->svga.hFIFOExtCmdSem); + AssertLogRelRC(rc); +} + +/** + * Worker for vmsvgaR3Destruct, vmsvgaR3Reset, vmsvgaR3Save and vmsvgaR3Load for + * doing a job on the FIFO thread (even when it's officially suspended). + * + * @returns VBox status code (fully asserted). + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + * @param uExtCmd The command to execute on the FIFO thread. + * @param pvParam Pointer to command parameters. + * @param cMsWait The time to wait for the command, given in + * milliseconds. + */ +static int vmsvgaR3RunExtCmdOnFifoThread(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, + uint8_t uExtCmd, void *pvParam, RTMSINTERVAL cMsWait) +{ + Assert(cMsWait >= RT_MS_1SEC * 5); + AssertLogRelMsg(pThis->svga.u8FIFOExtCommand == VMSVGA_FIFO_EXTCMD_NONE, + ("old=%d new=%d\n", pThis->svga.u8FIFOExtCommand, uExtCmd)); + + int rc; + PPDMTHREAD pThread = pThisCC->svga.pFIFOIOThread; + PDMTHREADSTATE enmState = pThread->enmState; + if (enmState == PDMTHREADSTATE_SUSPENDED) + { + /* + * The thread is suspended, we have to temporarily wake it up so it can + * perform the task. + * (We ASSUME not racing code here, both wrt thread state and ext commands.) + */ + Log(("vmsvgaR3RunExtCmdOnFifoThread: uExtCmd=%d enmState=SUSPENDED\n", uExtCmd)); + /* Post the request. */ + pThis->svga.fFifoExtCommandWakeup = true; + pThisCC->svga.pvFIFOExtCmdParam = pvParam; + pThis->svga.u8FIFOExtCommand = uExtCmd; + ASMMemoryFence(); /* paranoia^3 */ + + /* Resume the thread. */ + rc = PDMDevHlpThreadResume(pDevIns, pThread); + AssertLogRelRC(rc); + if (RT_SUCCESS(rc)) + { + /* Wait. Take care in case the semaphore was already posted (same as below). */ + rc = RTSemEventWait(pThisCC->svga.hFIFOExtCmdSem, cMsWait); + if ( rc == VINF_SUCCESS + && pThis->svga.u8FIFOExtCommand == uExtCmd) + rc = RTSemEventWait(pThisCC->svga.hFIFOExtCmdSem, cMsWait); + AssertLogRelMsg(pThis->svga.u8FIFOExtCommand != uExtCmd || RT_FAILURE_NP(rc), + ("%#x %Rrc\n", pThis->svga.u8FIFOExtCommand, rc)); + + /* suspend the thread */ + pThis->svga.fFifoExtCommandWakeup = false; + int rc2 = PDMDevHlpThreadSuspend(pDevIns, pThread); + AssertLogRelRC(rc2); + if (RT_FAILURE(rc2) && RT_SUCCESS(rc)) + rc = rc2; + } + pThis->svga.fFifoExtCommandWakeup = false; + pThisCC->svga.pvFIFOExtCmdParam = NULL; + } + else if (enmState == PDMTHREADSTATE_RUNNING) + { + /* + * The thread is running, should only happen during reset and vmsvga3dsfc. + * We ASSUME not racing code here, both wrt thread state and ext commands. + */ + Log(("vmsvgaR3RunExtCmdOnFifoThread: uExtCmd=%d enmState=RUNNING\n", uExtCmd)); + Assert(uExtCmd == VMSVGA_FIFO_EXTCMD_RESET || uExtCmd == VMSVGA_FIFO_EXTCMD_UPDATE_SURFACE_HEAP_BUFFERS || uExtCmd == VMSVGA_FIFO_EXTCMD_POWEROFF); + + /* Post the request. */ + pThisCC->svga.pvFIFOExtCmdParam = pvParam; + pThis->svga.u8FIFOExtCommand = uExtCmd; + ASMMemoryFence(); /* paranoia^2 */ + rc = PDMDevHlpSUPSemEventSignal(pDevIns, pThis->svga.hFIFORequestSem); + AssertLogRelRC(rc); + + /* Wait. Take care in case the semaphore was already posted (same as above). */ + rc = RTSemEventWait(pThisCC->svga.hFIFOExtCmdSem, cMsWait); + if ( rc == VINF_SUCCESS + && pThis->svga.u8FIFOExtCommand == uExtCmd) + rc = RTSemEventWait(pThisCC->svga.hFIFOExtCmdSem, cMsWait); /* it was already posted, retry the wait. */ + AssertLogRelMsg(pThis->svga.u8FIFOExtCommand != uExtCmd || RT_FAILURE_NP(rc), + ("%#x %Rrc\n", pThis->svga.u8FIFOExtCommand, rc)); + + pThisCC->svga.pvFIFOExtCmdParam = NULL; + } + else + { + /* + * Something is wrong with the thread! + */ + AssertLogRelMsgFailed(("uExtCmd=%d enmState=%d\n", uExtCmd, enmState)); + rc = VERR_INVALID_STATE; + } + return rc; +} + + +/** + * Marks the FIFO non-busy, notifying any waiting EMTs. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + * @param pSVGAState Pointer to the ring-3 only SVGA state data. + * @param offFifoMin The start byte offset of the command FIFO. + */ +static void vmsvgaR3FifoSetNotBusy(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, PVMSVGAR3STATE pSVGAState, uint32_t offFifoMin) +{ + ASMAtomicAndU32(&pThis->svga.fBusy, ~(VMSVGA_BUSY_F_FIFO | VMSVGA_BUSY_F_EMT_FORCE)); + if (VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_BUSY, offFifoMin)) + vmsvgaHCSafeFifoBusyRegUpdate(pThis, pThisCC, pThis->svga.fBusy != 0); + + /* Wake up any waiting EMTs. */ + if (pSVGAState->cBusyDelayedEmts > 0) + { +# ifdef VMSVGA_USE_EMT_HALT_CODE + VMCPUID idCpu = VMCpuSetFindLastPresentInternal(&pSVGAState->BusyDelayedEmts); + if (idCpu != NIL_VMCPUID) + { + PDMDevHlpVMNotifyCpuDeviceReady(pDevIns, idCpu); + while (idCpu-- > 0) + if (VMCPUSET_IS_PRESENT(&pSVGAState->BusyDelayedEmts, idCpu)) + PDMDevHlpVMNotifyCpuDeviceReady(pDevIns, idCpu); + } +# else + int rc2 = RTSemEventMultiSignal(pSVGAState->hBusyDelayedEmts); + AssertRC(rc2); +# endif + } +} + +/** + * Reads (more) payload into the command buffer. + * + * @returns pbBounceBuf on success + * @retval (void *)1 if the thread was requested to stop. + * @retval NULL on FIFO error. + * + * @param cbPayloadReq The number of bytes of payload requested. + * @param pFIFO The FIFO. + * @param offCurrentCmd The FIFO byte offset of the current command. + * @param offFifoMin The start byte offset of the command FIFO. + * @param offFifoMax The end byte offset of the command FIFO. + * @param pbBounceBuf The bounch buffer. Same size as the entire FIFO, so + * always sufficient size. + * @param pcbAlreadyRead How much payload we've already read into the bounce + * buffer. (We will NEVER re-read anything.) + * @param pThread The calling PDM thread handle. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pSVGAState Pointer to the ring-3 only SVGA state data. For + * statistics collection. + * @param pDevIns The device instance. + */ +static void *vmsvgaR3FifoGetCmdPayload(uint32_t cbPayloadReq, uint32_t RT_UNTRUSTED_VOLATILE_GUEST *pFIFO, + uint32_t offCurrentCmd, uint32_t offFifoMin, uint32_t offFifoMax, + uint8_t *pbBounceBuf, uint32_t *pcbAlreadyRead, + PPDMTHREAD pThread, PVGASTATE pThis, PVMSVGAR3STATE pSVGAState, PPDMDEVINS pDevIns) +{ + Assert(pbBounceBuf); + Assert(pcbAlreadyRead); + Assert(offFifoMin < offFifoMax); + Assert(offCurrentCmd >= offFifoMin && offCurrentCmd < offFifoMax); + Assert(offFifoMax <= pThis->svga.cbFIFO); + + /* + * Check if the requested payload size has already been satisfied . + * . + * When called to read more, the caller is responsible for making sure the . + * new command size (cbRequsted) never is smaller than what has already . + * been read. + */ + uint32_t cbAlreadyRead = *pcbAlreadyRead; + if (cbPayloadReq <= cbAlreadyRead) + { + AssertLogRelReturn(cbPayloadReq == cbAlreadyRead, NULL); + return pbBounceBuf; + } + + /* + * Commands bigger than the fifo buffer are invalid. + */ + uint32_t const cbFifoCmd = offFifoMax - offFifoMin; + AssertMsgReturnStmt(cbPayloadReq <= cbFifoCmd, ("cbPayloadReq=%#x cbFifoCmd=%#x\n", cbPayloadReq, cbFifoCmd), + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoErrors), + NULL); + + /* + * Move offCurrentCmd past the command dword. + */ + offCurrentCmd += sizeof(uint32_t); + if (offCurrentCmd >= offFifoMax) + offCurrentCmd = offFifoMin; + + /* + * Do we have sufficient payload data available already? + * The host should not read beyond [SVGA_FIFO_NEXT_CMD], therefore '>=' in the condition below. + */ + uint32_t cbAfter, cbBefore; + uint32_t offNextCmd = pFIFO[SVGA_FIFO_NEXT_CMD]; + RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); + if (offNextCmd >= offCurrentCmd) + { + if (RT_LIKELY(offNextCmd < offFifoMax)) + cbAfter = offNextCmd - offCurrentCmd; + else + { + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoErrors); + LogRelMax(16, ("vmsvgaR3FifoGetCmdPayload: Invalid offNextCmd=%#x (offFifoMin=%#x offFifoMax=%#x)\n", + offNextCmd, offFifoMin, offFifoMax)); + cbAfter = offFifoMax - offCurrentCmd; + } + cbBefore = 0; + } + else + { + cbAfter = offFifoMax - offCurrentCmd; + if (offNextCmd >= offFifoMin) + cbBefore = offNextCmd - offFifoMin; + else + { + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoErrors); + LogRelMax(16, ("vmsvgaR3FifoGetCmdPayload: Invalid offNextCmd=%#x (offFifoMin=%#x offFifoMax=%#x)\n", + offNextCmd, offFifoMin, offFifoMax)); + cbBefore = 0; + } + } + if (cbAfter + cbBefore < cbPayloadReq) + { + /* + * Insufficient, must wait for it to arrive. + */ +/** @todo Should clear the busy flag here to maybe encourage the guest to wake us up. */ + STAM_REL_PROFILE_START(&pSVGAState->StatFifoStalls, Stall); + for (uint32_t i = 0;; i++) + { + if (pThread->enmState != PDMTHREADSTATE_RUNNING) + { + STAM_REL_PROFILE_STOP(&pSVGAState->StatFifoStalls, Stall); + return (void *)(uintptr_t)1; + } + Log(("Guest still copying (%x vs %x) current %x next %x stop %x loop %u; sleep a bit\n", + cbPayloadReq, cbAfter + cbBefore, offCurrentCmd, offNextCmd, pFIFO[SVGA_FIFO_STOP], i)); + + PDMDevHlpSUPSemEventWaitNoResume(pDevIns, pThis->svga.hFIFORequestSem, i < 16 ? 1 : 2); + + offNextCmd = pFIFO[SVGA_FIFO_NEXT_CMD]; + RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); + if (offNextCmd >= offCurrentCmd) + { + cbAfter = RT_MIN(offNextCmd, offFifoMax) - offCurrentCmd; + cbBefore = 0; + } + else + { + cbAfter = offFifoMax - offCurrentCmd; + cbBefore = RT_MAX(offNextCmd, offFifoMin) - offFifoMin; + } + + if (cbAfter + cbBefore >= cbPayloadReq) + break; + } + STAM_REL_PROFILE_STOP(&pSVGAState->StatFifoStalls, Stall); + } + + /* + * Copy out the memory and update what pcbAlreadyRead points to. + */ + if (cbAfter >= cbPayloadReq) + memcpy(pbBounceBuf + cbAlreadyRead, + (uint8_t *)pFIFO + offCurrentCmd + cbAlreadyRead, + cbPayloadReq - cbAlreadyRead); + else + { + LogFlow(("Split data buffer at %x (%u-%u)\n", offCurrentCmd, cbAfter, cbBefore)); + if (cbAlreadyRead < cbAfter) + { + memcpy(pbBounceBuf + cbAlreadyRead, + (uint8_t *)pFIFO + offCurrentCmd + cbAlreadyRead, + cbAfter - cbAlreadyRead); + cbAlreadyRead = cbAfter; + } + memcpy(pbBounceBuf + cbAlreadyRead, + (uint8_t *)pFIFO + offFifoMin + cbAlreadyRead - cbAfter, + cbPayloadReq - cbAlreadyRead); + } + *pcbAlreadyRead = cbPayloadReq; + RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); + return pbBounceBuf; +} + + +/** + * Sends cursor position and visibility information from the FIFO to the front-end. + * @returns SVGA_FIFO_CURSOR_COUNT value used. + */ +static uint32_t +vmsvgaR3FifoUpdateCursor(PVGASTATECC pThisCC, PVMSVGAR3STATE pSVGAState, uint32_t RT_UNTRUSTED_VOLATILE_GUEST *pFIFO, + uint32_t offFifoMin, uint32_t uCursorUpdateCount, + uint32_t *pxLast, uint32_t *pyLast, uint32_t *pfLastVisible) +{ + /* + * Check if the cursor update counter has changed and try get a stable + * set of values if it has. This is race-prone, especially consindering + * the screen ID, but little we can do about that. + */ + uint32_t x, y, fVisible, idScreen; + for (uint32_t i = 0; ; i++) + { + x = pFIFO[SVGA_FIFO_CURSOR_X]; + y = pFIFO[SVGA_FIFO_CURSOR_Y]; + fVisible = pFIFO[SVGA_FIFO_CURSOR_ON]; + idScreen = VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_CURSOR_SCREEN_ID, offFifoMin) + ? pFIFO[SVGA_FIFO_CURSOR_SCREEN_ID] : SVGA_ID_INVALID; + if ( uCursorUpdateCount == pFIFO[SVGA_FIFO_CURSOR_COUNT] + || i > 3) + break; + if (i == 0) + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoCursorFetchAgain); + ASMNopPause(); + uCursorUpdateCount = pFIFO[SVGA_FIFO_CURSOR_COUNT]; + } + + /* + * Check if anything has changed, as calling into pDrv is not light-weight. + */ + if ( *pxLast == x + && *pyLast == y + && (idScreen != SVGA_ID_INVALID || *pfLastVisible == fVisible)) + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoCursorNoChange); + else + { + /* + * Detected changes. + * + * We handle global, not per-screen visibility information by sending + * pfnVBVAMousePointerShape without shape data. + */ + *pxLast = x; + *pyLast = y; + uint32_t fFlags = VBVA_CURSOR_VALID_DATA; + if (idScreen != SVGA_ID_INVALID) + fFlags |= VBVA_CURSOR_SCREEN_RELATIVE; + else if (*pfLastVisible != fVisible) + { + LogRel2(("vmsvgaR3FifoUpdateCursor: fVisible %d fLastVisible %d (%d,%d)\n", fVisible, *pfLastVisible, x, y)); + *pfLastVisible = fVisible; + pThisCC->pDrv->pfnVBVAMousePointerShape(pThisCC->pDrv, RT_BOOL(fVisible), false, 0, 0, 0, 0, NULL); + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoCursorVisiblity); + } + pThisCC->pDrv->pfnVBVAReportCursorPosition(pThisCC->pDrv, fFlags, idScreen, x, y); + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoCursorPosition); + } + + /* + * Update done. Signal this to the guest. + */ + pFIFO[SVGA_FIFO_CURSOR_LAST_UPDATED] = uCursorUpdateCount; + + return uCursorUpdateCount; +} + + +/** + * Checks if there is work to be done, either cursor updating or FIFO commands. + * + * @returns true if pending work, false if not. + * @param pThisCC The VGA/VMSVGA state for ring-3. + * @param uLastCursorCount The last cursor update counter value. + */ +DECLINLINE(bool) vmsvgaR3FifoHasWork(PVGASTATECC pThisCC, uint32_t uLastCursorCount) +{ + /* If FIFO does not exist than there is nothing to do. Command buffers also require the enabled FIFO. */ + uint32_t RT_UNTRUSTED_VOLATILE_GUEST * const pFIFO = pThisCC->svga.pau32FIFO; + AssertReturn(pFIFO, false); + + if (vmsvgaR3CmdBufHasWork(pThisCC)) + return true; + + if (pFIFO[SVGA_FIFO_NEXT_CMD] != pFIFO[SVGA_FIFO_STOP]) + return true; + + if ( uLastCursorCount != pFIFO[SVGA_FIFO_CURSOR_COUNT] + && VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_CURSOR_LAST_UPDATED, pFIFO[SVGA_FIFO_MIN])) + return true; + + return false; +} + + +/** + * Called by the VGA refresh timer to wake up the FIFO thread when needed. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + */ +void vmsvgaR3FifoWatchdogTimer(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) +{ + /* Caller already checked pThis->svga.fFIFOThreadSleeping, so we only have + to recheck it before doing the signalling. */ + if ( vmsvgaR3FifoHasWork(pThisCC, ASMAtomicReadU32(&pThis->svga.uLastCursorUpdateCount)) + && pThis->svga.fFIFOThreadSleeping + && !ASMAtomicReadBool(&pThis->svga.fBadGuest)) + { + int rc = PDMDevHlpSUPSemEventSignal(pDevIns, pThis->svga.hFIFORequestSem); + AssertRC(rc); + STAM_REL_COUNTER_INC(&pThisCC->svga.pSvgaR3State->StatFifoWatchdogWakeUps); + } +} + + +/** + * Called by the FIFO thread to process pending actions. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + */ +void vmsvgaR3FifoPendingActions(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) +{ + RT_NOREF(pDevIns); + + /* Currently just mode changes. */ + if (ASMBitTestAndClear(&pThis->svga.u32ActionFlags, VMSVGA_ACTION_CHANGEMODE_BIT)) + { + vmsvgaR3ChangeMode(pThis, pThisCC); +# ifdef VBOX_WITH_VMSVGA3D + if (pThisCC->svga.p3dState != NULL) + vmsvga3dChangeMode(pThisCC); +# endif + } +} + + +/* + * These two macros are put outside vmsvgaR3FifoLoop because doxygen gets confused, + * even the latest version, and thinks we're documenting vmsvgaR3FifoLoop. Sigh. + */ +/** @def VMSVGAFIFO_GET_CMD_BUFFER_BREAK + * Macro for shortening calls to vmsvgaR3FifoGetCmdPayload. + * + * Will break out of the switch on failure. + * Will restart and quit the loop if the thread was requested to stop. + * + * @param a_PtrVar Request variable pointer. + * @param a_Type Request typedef (not pointer) for casting. + * @param a_cbPayloadReq How much payload to fetch. + * @remarks Accesses a bunch of variables in the current scope! + */ +# define VMSVGAFIFO_GET_CMD_BUFFER_BREAK(a_PtrVar, a_Type, a_cbPayloadReq) \ + if (1) { \ + (a_PtrVar) = (a_Type *)vmsvgaR3FifoGetCmdPayload((a_cbPayloadReq), pFIFO, offCurrentCmd, offFifoMin, offFifoMax, \ + pbBounceBuf, &cbPayload, pThread, pThis, pSVGAState, pDevIns); \ + if (RT_UNLIKELY((uintptr_t)(a_PtrVar) < 2)) { if ((uintptr_t)(a_PtrVar) == 1) continue; break; } \ + RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); \ + } else do {} while (0) +/* @def VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK + * Macro for shortening calls to vmsvgaR3FifoGetCmdPayload for refetching the + * buffer after figuring out the actual command size. + * + * Will break out of the switch on failure. + * + * @param a_PtrVar Request variable pointer. + * @param a_Type Request typedef (not pointer) for casting. + * @param a_cbPayloadReq How much payload to fetch. + * @remarks Accesses a bunch of variables in the current scope! + */ +# define VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK(a_PtrVar, a_Type, a_cbPayloadReq) \ + if (1) { \ + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(a_PtrVar, a_Type, a_cbPayloadReq); \ + } else do {} while (0) + +/** + * @callback_method_impl{PFNPDMTHREADDEV, The async FIFO handling thread.} + */ +static DECLCALLBACK(int) vmsvgaR3FifoLoop(PPDMDEVINS pDevIns, PPDMTHREAD pThread) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATER3 pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + int rc; + + if (pThread->enmState == PDMTHREADSTATE_INITIALIZING) + return VINF_SUCCESS; + + /* + * Special mode where we only execute an external command and the go back + * to being suspended. Currently, all ext cmds ends up here, with the reset + * one also being eligble for runtime execution further down as well. + */ + if (pThis->svga.fFifoExtCommandWakeup) + { + vmsvgaR3FifoHandleExtCmd(pDevIns, pThis, pThisCC); + while (pThread->enmState == PDMTHREADSTATE_RUNNING) + if (pThis->svga.u8FIFOExtCommand == VMSVGA_FIFO_EXTCMD_NONE) + PDMDevHlpSUPSemEventWaitNoResume(pDevIns, pThis->svga.hFIFORequestSem, RT_MS_1MIN); + else + vmsvgaR3FifoHandleExtCmd(pDevIns, pThis, pThisCC); + return VINF_SUCCESS; + } + + + /* + * Signal the semaphore to make sure we don't wait for 250ms after a + * suspend & resume scenario (see vmsvgaR3FifoGetCmdPayload). + */ + PDMDevHlpSUPSemEventSignal(pDevIns, pThis->svga.hFIFORequestSem); + + /* + * Allocate a bounce buffer for command we get from the FIFO. + * (All code must return via the end of the function to free this buffer.) + */ + uint8_t *pbBounceBuf = (uint8_t *)RTMemAllocZ(pThis->svga.cbFIFO); + AssertReturn(pbBounceBuf, VERR_NO_MEMORY); + + /* + * Polling/sleep interval config. + * + * We wait for an a short interval if the guest has recently given us work + * to do, but the interval increases the longer we're kept idle. Once we've + * reached the refresh timer interval, we'll switch to extended waits, + * depending on it or the guest to kick us into action when needed. + * + * Should the refresh time go fishing, we'll just continue increasing the + * sleep length till we reaches the 250 ms max after about 16 seconds. + */ + RTMSINTERVAL const cMsMinSleep = 16; + RTMSINTERVAL const cMsIncSleep = 2; + RTMSINTERVAL const cMsMaxSleep = 250; + RTMSINTERVAL const cMsExtendedSleep = 15 * RT_MS_1SEC; /* Regular paranoia dictates that this cannot be indefinite. */ + RTMSINTERVAL cMsSleep = cMsMaxSleep; + + /* + * Cursor update state (SVGA_FIFO_CAP_CURSOR_BYPASS_3). + * + * Initialize with values that will detect an update from the guest. + * Make sure that if the guest never updates the cursor position, then the device does not report it. + * The guest has to change the value of uLastCursorUpdateCount, when the cursor position is actually updated. + * xLastCursor, yLastCursor and fLastCursorVisible are set to report the first update. + */ + uint32_t RT_UNTRUSTED_VOLATILE_GUEST * const pFIFO = pThisCC->svga.pau32FIFO; + pThis->svga.uLastCursorUpdateCount = pFIFO[SVGA_FIFO_CURSOR_COUNT]; + uint32_t xLastCursor = ~pFIFO[SVGA_FIFO_CURSOR_X]; + uint32_t yLastCursor = ~pFIFO[SVGA_FIFO_CURSOR_Y]; + uint32_t fLastCursorVisible = ~pFIFO[SVGA_FIFO_CURSOR_ON]; + + /* + * The FIFO loop. + */ + LogFlow(("vmsvgaR3FifoLoop: started loop\n")); + bool fBadOrDisabledFifo = ASMAtomicReadBool(&pThis->svga.fBadGuest); + while (pThread->enmState == PDMTHREADSTATE_RUNNING) + { +# if defined(RT_OS_DARWIN) && defined(VBOX_WITH_VMSVGA3D) + /* + * Should service the run loop every so often. + */ + if (pThis->svga.f3DEnabled) + vmsvga3dCocoaServiceRunLoop(); +# endif + + /* First check any pending actions. */ + vmsvgaR3FifoPendingActions(pDevIns, pThis, pThisCC); + + /* + * Unless there's already work pending, go to sleep for a short while. + * (See polling/sleep interval config above.) + */ + if ( fBadOrDisabledFifo + || !vmsvgaR3FifoHasWork(pThisCC, pThis->svga.uLastCursorUpdateCount)) + { + ASMAtomicWriteBool(&pThis->svga.fFIFOThreadSleeping, true); + Assert(pThis->cMilliesRefreshInterval > 0); + if (cMsSleep < pThis->cMilliesRefreshInterval) + rc = PDMDevHlpSUPSemEventWaitNoResume(pDevIns, pThis->svga.hFIFORequestSem, cMsSleep); + else + { +# ifdef VMSVGA_USE_FIFO_ACCESS_HANDLER + int rc2 = PDMDevHlpPGMHandlerPhysicalReset(pDevIns, pThis->svga.GCPhysFIFO); + AssertRC(rc2); /* No break. Racing EMTs unmapping and remapping the region. */ +# endif + if ( !fBadOrDisabledFifo + && vmsvgaR3FifoHasWork(pThisCC, pThis->svga.uLastCursorUpdateCount)) + rc = VINF_SUCCESS; + else + { + STAM_REL_PROFILE_START(&pSVGAState->StatFifoExtendedSleep, Acc); + rc = PDMDevHlpSUPSemEventWaitNoResume(pDevIns, pThis->svga.hFIFORequestSem, cMsExtendedSleep); + STAM_REL_PROFILE_STOP(&pSVGAState->StatFifoExtendedSleep, Acc); + } + } + ASMAtomicWriteBool(&pThis->svga.fFIFOThreadSleeping, false); + AssertBreak(RT_SUCCESS(rc) || rc == VERR_TIMEOUT || rc == VERR_INTERRUPTED); + if (pThread->enmState != PDMTHREADSTATE_RUNNING) + { + LogFlow(("vmsvgaR3FifoLoop: thread state %x\n", pThread->enmState)); + break; + } + } + else + rc = VINF_SUCCESS; + fBadOrDisabledFifo = ASMAtomicReadBool(&pThis->svga.fBadGuest); + if (rc == VERR_TIMEOUT) + { + if (!vmsvgaR3FifoHasWork(pThisCC, pThis->svga.uLastCursorUpdateCount)) + { + cMsSleep = RT_MIN(cMsSleep + cMsIncSleep, cMsMaxSleep); + continue; + } + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoTodoTimeout); + + Log(("vmsvgaR3FifoLoop: timeout\n")); + } + else if (vmsvgaR3FifoHasWork(pThisCC, pThis->svga.uLastCursorUpdateCount)) + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoTodoWoken); + cMsSleep = cMsMinSleep; + + Log(("vmsvgaR3FifoLoop: enabled=%d configured=%d busy=%d\n", pThis->svga.fEnabled, pThis->svga.fConfigured, pFIFO[SVGA_FIFO_BUSY])); + Log(("vmsvgaR3FifoLoop: min %x max %x\n", pFIFO[SVGA_FIFO_MIN], pFIFO[SVGA_FIFO_MAX])); + Log(("vmsvgaR3FifoLoop: next %x stop %x\n", pFIFO[SVGA_FIFO_NEXT_CMD], pFIFO[SVGA_FIFO_STOP])); + + /* + * Handle external commands (currently only reset). + */ + if (pThis->svga.u8FIFOExtCommand != VMSVGA_FIFO_EXTCMD_NONE) + { + vmsvgaR3FifoHandleExtCmd(pDevIns, pThis, pThisCC); + continue; + } + + /* + * If guest misbehaves, then do nothing. + */ + if (ASMAtomicReadBool(&pThis->svga.fBadGuest)) + { + vmsvgaR3FifoSetNotBusy(pDevIns, pThis, pThisCC, pSVGAState, pFIFO[SVGA_FIFO_MIN]); + cMsSleep = cMsExtendedSleep; + LogRelMax(1, ("VMSVGA: FIFO processing stopped because of the guest misbehavior\n")); + continue; + } + + /* + * The device must be enabled and configured. + */ + if ( !pThis->svga.fEnabled + || !pThis->svga.fConfigured) + { + vmsvgaR3FifoSetNotBusy(pDevIns, pThis, pThisCC, pSVGAState, pFIFO[SVGA_FIFO_MIN]); + fBadOrDisabledFifo = true; + cMsSleep = cMsMaxSleep; /* cheat */ + continue; + } + + /* + * Get and check the min/max values. We ASSUME that they will remain + * unchanged while we process requests. A further ASSUMPTION is that + * the guest won't mess with SVGA_FIFO_NEXT_CMD while we're busy, so + * we don't read it back while in the loop. + */ + uint32_t const offFifoMin = pFIFO[SVGA_FIFO_MIN]; + uint32_t const offFifoMax = pFIFO[SVGA_FIFO_MAX]; + uint32_t offCurrentCmd = pFIFO[SVGA_FIFO_STOP]; + RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); + if (RT_UNLIKELY( !VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_STOP, offFifoMin) + || offFifoMax <= offFifoMin + || offFifoMax > pThis->svga.cbFIFO + || (offFifoMax & 3) != 0 + || (offFifoMin & 3) != 0 + || offCurrentCmd < offFifoMin + || offCurrentCmd > offFifoMax)) + { + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoErrors); + LogRelMax(8, ("vmsvgaR3FifoLoop: Bad fifo: min=%#x stop=%#x max=%#x\n", offFifoMin, offCurrentCmd, offFifoMax)); + vmsvgaR3FifoSetNotBusy(pDevIns, pThis, pThisCC, pSVGAState, offFifoMin); + fBadOrDisabledFifo = true; + continue; + } + RT_UNTRUSTED_VALIDATED_FENCE(); + if (RT_UNLIKELY(offCurrentCmd & 3)) + { + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoErrors); + LogRelMax(8, ("vmsvgaR3FifoLoop: Misaligned offCurrentCmd=%#x?\n", offCurrentCmd)); + offCurrentCmd &= ~UINT32_C(3); + } + + /* + * Update the cursor position before we start on the FIFO commands. + */ + /** @todo do we need to check whether the guest disabled the SVGA_FIFO_CAP_CURSOR_BYPASS_3 capability here? */ + if (VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_CURSOR_LAST_UPDATED, offFifoMin)) + { + uint32_t const uCursorUpdateCount = pFIFO[SVGA_FIFO_CURSOR_COUNT]; + if (uCursorUpdateCount == pThis->svga.uLastCursorUpdateCount) + { /* halfways likely */ } + else + { + uint32_t const uNewCount = vmsvgaR3FifoUpdateCursor(pThisCC, pSVGAState, pFIFO, offFifoMin, uCursorUpdateCount, + &xLastCursor, &yLastCursor, &fLastCursorVisible); + ASMAtomicWriteU32(&pThis->svga.uLastCursorUpdateCount, uNewCount); + } + } + + /* + * Mark the FIFO as busy. + */ + ASMAtomicWriteU32(&pThis->svga.fBusy, VMSVGA_BUSY_F_FIFO); // Clears VMSVGA_BUSY_F_EMT_FORCE! + if (VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_BUSY, offFifoMin)) + ASMAtomicWriteU32(&pFIFO[SVGA_FIFO_BUSY], true); + + /* + * Process all submitted command buffers. + */ + vmsvgaR3CmdBufProcessBuffers(pDevIns, pThis, pThisCC, pThread); + + /* + * Execute all queued FIFO commands. + * Quit if pending external command or changes in the thread state. + */ + bool fDone = false; + while ( !(fDone = (pFIFO[SVGA_FIFO_NEXT_CMD] == offCurrentCmd)) + && pThread->enmState == PDMTHREADSTATE_RUNNING) + { + uint32_t cbPayload = 0; + uint32_t u32IrqStatus = 0; + + Assert(offCurrentCmd < offFifoMax && offCurrentCmd >= offFifoMin); + + /* First check any pending actions. */ + vmsvgaR3FifoPendingActions(pDevIns, pThis, pThisCC); + + /* Check for pending external commands (reset). */ + if (pThis->svga.u8FIFOExtCommand != VMSVGA_FIFO_EXTCMD_NONE) + break; + + /* + * Process the command. + */ + /* 'enmCmdId' is actually a SVGAFifoCmdId. It is treated as uint32_t in order to avoid a compiler + * warning. Because we implement some obsolete and deprecated commands, which are not included in + * the SVGAFifoCmdId enum in the VMSVGA headers anymore. + */ + uint32_t const enmCmdId = pFIFO[offCurrentCmd / sizeof(uint32_t)]; + RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); + LogFlow(("vmsvgaR3FifoLoop: FIFO command (iCmd=0x%x) %s %d\n", + offCurrentCmd / sizeof(uint32_t), vmsvgaR3FifoCmdToString(enmCmdId), enmCmdId)); + switch (enmCmdId) + { + case SVGA_CMD_INVALID_CMD: + /* Nothing to do. */ + STAM_REL_COUNTER_INC(&pSVGAState->StatR3CmdInvalidCmd); + break; + + case SVGA_CMD_FENCE: + { + SVGAFifoCmdFence *pCmdFence; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmdFence, SVGAFifoCmdFence, sizeof(*pCmdFence)); + STAM_REL_COUNTER_INC(&pSVGAState->StatR3CmdFence); + if (VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_FENCE, offFifoMin)) + { + Log(("vmsvgaR3FifoLoop: SVGA_CMD_FENCE %#x\n", pCmdFence->fence)); + pFIFO[SVGA_FIFO_FENCE] = pCmdFence->fence; + + if (pThis->svga.u32IrqMask & SVGA_IRQFLAG_ANY_FENCE) + { + Log(("vmsvgaR3FifoLoop: any fence irq\n")); + u32IrqStatus |= SVGA_IRQFLAG_ANY_FENCE; + } + else + if ( VMSVGA_IS_VALID_FIFO_REG(SVGA_FIFO_FENCE_GOAL, offFifoMin) + && (pThis->svga.u32IrqMask & SVGA_IRQFLAG_FENCE_GOAL) + && pFIFO[SVGA_FIFO_FENCE_GOAL] == pCmdFence->fence) + { + Log(("vmsvgaR3FifoLoop: fence goal reached irq (fence=%#x)\n", pCmdFence->fence)); + u32IrqStatus |= SVGA_IRQFLAG_FENCE_GOAL; + } + } + else + Log(("SVGA_CMD_FENCE is bogus when offFifoMin is %#x!\n", offFifoMin)); + break; + } + + case SVGA_CMD_UPDATE: + { + SVGAFifoCmdUpdate *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdUpdate, sizeof(*pCmd)); + vmsvgaR3CmdUpdate(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_UPDATE_VERBOSE: + { + SVGAFifoCmdUpdateVerbose *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdUpdateVerbose, sizeof(*pCmd)); + vmsvgaR3CmdUpdateVerbose(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DEFINE_CURSOR: + { + /* Followed by bitmap data. */ + SVGAFifoCmdDefineCursor *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDefineCursor, sizeof(*pCmd)); + + /* Figure out the size of the bitmap data. */ + ASSERT_GUEST_BREAK(pCmd->height < 2048 && pCmd->width < 2048); + ASSERT_GUEST_BREAK(pCmd->andMaskDepth <= 32); + ASSERT_GUEST_BREAK(pCmd->xorMaskDepth <= 32); + RT_UNTRUSTED_VALIDATED_FENCE(); + + uint32_t const cbAndLine = RT_ALIGN_32(pCmd->width * (pCmd->andMaskDepth + (pCmd->andMaskDepth == 15)), 32) / 8; + uint32_t const cbAndMask = cbAndLine * pCmd->height; + uint32_t const cbXorLine = RT_ALIGN_32(pCmd->width * (pCmd->xorMaskDepth + (pCmd->xorMaskDepth == 15)), 32) / 8; + uint32_t const cbXorMask = cbXorLine * pCmd->height; + + uint32_t const cbCmd = sizeof(SVGAFifoCmdDefineCursor) + cbAndMask + cbXorMask; + VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDefineCursor, cbCmd); + vmsvgaR3CmdDefineCursor(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DEFINE_ALPHA_CURSOR: + { + /* Followed by bitmap data. */ + SVGAFifoCmdDefineAlphaCursor *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDefineAlphaCursor, sizeof(*pCmd)); + + /* Figure out the size of the bitmap data. */ + ASSERT_GUEST_BREAK(pCmd->height < 2048 && pCmd->width < 2048); + + uint32_t const cbCmd = sizeof(SVGAFifoCmdDefineAlphaCursor) + pCmd->width * pCmd->height * sizeof(uint32_t) /* 32-bit BRGA format */; + VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDefineAlphaCursor, cbCmd); + vmsvgaR3CmdDefineAlphaCursor(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_MOVE_CURSOR: + { + /* Deprecated; there should be no driver which *requires* this command. However, if + * we do ecncounter this command, it might be useful to not get the FIFO completely out of + * alignment. + * May be issued by guest if SVGA_CAP_CURSOR_BYPASS is missing. + */ + SVGAFifoCmdMoveCursor *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdMoveCursor, sizeof(*pCmd)); + vmsvgaR3CmdMoveCursor(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DISPLAY_CURSOR: + { + /* Deprecated; there should be no driver which *requires* this command. However, if + * we do ecncounter this command, it might be useful to not get the FIFO completely out of + * alignment. + * May be issued by guest if SVGA_CAP_CURSOR_BYPASS is missing. + */ + SVGAFifoCmdDisplayCursor *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDisplayCursor, sizeof(*pCmd)); + vmsvgaR3CmdDisplayCursor(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_RECT_FILL: + { + SVGAFifoCmdRectFill *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdRectFill, sizeof(*pCmd)); + vmsvgaR3CmdRectFill(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_RECT_COPY: + { + SVGAFifoCmdRectCopy *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdRectCopy, sizeof(*pCmd)); + vmsvgaR3CmdRectCopy(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_RECT_ROP_COPY: + { + SVGAFifoCmdRectRopCopy *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdRectRopCopy, sizeof(*pCmd)); + vmsvgaR3CmdRectRopCopy(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_ESCAPE: + { + /* Followed by 'size' bytes of data. */ + SVGAFifoCmdEscape *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdEscape, sizeof(*pCmd)); + + ASSERT_GUEST_BREAK(pCmd->size < pThis->svga.cbFIFO - sizeof(SVGAFifoCmdEscape)); + RT_UNTRUSTED_VALIDATED_FENCE(); + + uint32_t const cbCmd = sizeof(SVGAFifoCmdEscape) + pCmd->size; + VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdEscape, cbCmd); + vmsvgaR3CmdEscape(pThis, pThisCC, pCmd); + break; + } +# ifdef VBOX_WITH_VMSVGA3D + case SVGA_CMD_DEFINE_GMR2: + { + SVGAFifoCmdDefineGMR2 *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDefineGMR2, sizeof(*pCmd)); + vmsvgaR3CmdDefineGMR2(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_REMAP_GMR2: + { + /* Followed by page descriptors or guest ptr. */ + SVGAFifoCmdRemapGMR2 *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdRemapGMR2, sizeof(*pCmd)); + + /* Calculate the size of what comes after next and fetch it. */ + uint32_t cbCmd = sizeof(SVGAFifoCmdRemapGMR2); + if (pCmd->flags & SVGA_REMAP_GMR2_VIA_GMR) + cbCmd += sizeof(SVGAGuestPtr); + else + { + uint32_t const cbPageDesc = (pCmd->flags & SVGA_REMAP_GMR2_PPN64) ? sizeof(uint64_t) : sizeof(uint32_t); + if (pCmd->flags & SVGA_REMAP_GMR2_SINGLE_PPN) + { + cbCmd += cbPageDesc; + pCmd->numPages = 1; + } + else + { + ASSERT_GUEST_BREAK(pCmd->numPages <= pThis->svga.cbFIFO / cbPageDesc); + cbCmd += cbPageDesc * pCmd->numPages; + } + } + VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdRemapGMR2, cbCmd); + vmsvgaR3CmdRemapGMR2(pThis, pThisCC, pCmd); +# ifdef DEBUG_GMR_ACCESS + VMR3ReqCallWaitU(PDMDevHlpGetUVM(pDevIns), VMCPUID_ANY, (PFNRT)vmsvgaR3RegisterGmr, 2, pDevIns, pCmd->gmrId); +# endif + break; + } +# endif // VBOX_WITH_VMSVGA3D + case SVGA_CMD_DEFINE_SCREEN: + { + /* The size of this command is specified by the guest and depends on capabilities. */ + Assert(pFIFO[SVGA_FIFO_CAPABILITIES] & SVGA_FIFO_CAP_SCREEN_OBJECT_2); + + SVGAFifoCmdDefineScreen *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDefineScreen, sizeof(pCmd->screen.structSize)); + AssertBreak(pCmd->screen.structSize < pThis->svga.cbFIFO); + RT_UNTRUSTED_VALIDATED_FENCE(); + + RT_BZERO(&pCmd->screen.id, sizeof(*pCmd) - RT_OFFSETOF(SVGAFifoCmdDefineScreen, screen.id)); + VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDefineScreen, RT_MAX(sizeof(pCmd->screen.structSize), pCmd->screen.structSize)); + vmsvgaR3CmdDefineScreen(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DESTROY_SCREEN: + { + SVGAFifoCmdDestroyScreen *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDestroyScreen, sizeof(*pCmd)); + vmsvgaR3CmdDestroyScreen(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_DEFINE_GMRFB: + { + SVGAFifoCmdDefineGMRFB *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdDefineGMRFB, sizeof(*pCmd)); + vmsvgaR3CmdDefineGMRFB(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_BLIT_GMRFB_TO_SCREEN: + { + SVGAFifoCmdBlitGMRFBToScreen *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdBlitGMRFBToScreen, sizeof(*pCmd)); + vmsvgaR3CmdBlitGMRFBToScreen(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_BLIT_SCREEN_TO_GMRFB: + { + SVGAFifoCmdBlitScreenToGMRFB *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdBlitScreenToGMRFB, sizeof(*pCmd)); + vmsvgaR3CmdBlitScreenToGMRFB(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_ANNOTATION_FILL: + { + SVGAFifoCmdAnnotationFill *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdAnnotationFill, sizeof(*pCmd)); + vmsvgaR3CmdAnnotationFill(pThis, pThisCC, pCmd); + break; + } + + case SVGA_CMD_ANNOTATION_COPY: + { + SVGAFifoCmdAnnotationCopy *pCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pCmd, SVGAFifoCmdAnnotationCopy, sizeof(*pCmd)); + vmsvgaR3CmdAnnotationCopy(pThis, pThisCC, pCmd); + break; + } + + default: +# ifdef VBOX_WITH_VMSVGA3D + if ( (int)enmCmdId >= SVGA_3D_CMD_BASE + && (int)enmCmdId < SVGA_3D_CMD_MAX) + { + RT_UNTRUSTED_VALIDATED_FENCE(); + + /* All 3d commands start with a common header, which defines the identifier and the size + * of the command. The identifier has been already read from FIFO. Fetch the size. + */ + uint32_t *pcbCmd; + VMSVGAFIFO_GET_CMD_BUFFER_BREAK(pcbCmd, uint32_t, sizeof(*pcbCmd)); + uint32_t const cbCmd = *pcbCmd; + AssertBreak(cbCmd < pThis->svga.cbFIFO); + uint32_t *pu32Cmd; + VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK(pu32Cmd, uint32_t, sizeof(*pcbCmd) + cbCmd); + pu32Cmd++; /* Skip the command size. */ + + if (RT_LIKELY(pThis->svga.f3DEnabled)) + { /* likely */ } + else + { + LogRelMax(8, ("VMSVGA: 3D disabled, command %d skipped\n", enmCmdId)); + break; + } + + vmsvgaR3Process3dCmd(pThis, pThisCC, SVGA3D_INVALID_ID, (SVGAFifo3dCmdId)enmCmdId, cbCmd, pu32Cmd); + } + else +# endif // VBOX_WITH_VMSVGA3D + { + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoUnkCmds); + AssertMsgFailed(("enmCmdId=%d\n", enmCmdId)); + LogRelMax(16, ("VMSVGA: unsupported command %d\n", enmCmdId)); + } + } + + /* Go to the next slot */ + Assert(cbPayload + sizeof(uint32_t) <= offFifoMax - offFifoMin); + offCurrentCmd += RT_ALIGN_32(cbPayload + sizeof(uint32_t), sizeof(uint32_t)); + if (offCurrentCmd >= offFifoMax) + { + offCurrentCmd -= offFifoMax - offFifoMin; + Assert(offCurrentCmd >= offFifoMin); + Assert(offCurrentCmd < offFifoMax); + } + ASMAtomicWriteU32(&pFIFO[SVGA_FIFO_STOP], offCurrentCmd); + STAM_REL_COUNTER_INC(&pSVGAState->StatFifoCommands); + + /* + * Raise IRQ if required. Must enter the critical section here + * before making final decisions here, otherwise cubebench and + * others may end up waiting forever. + */ + if ( u32IrqStatus + || (pThis->svga.u32IrqMask & SVGA_IRQFLAG_FIFO_PROGRESS)) + { + int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_IGNORED); + PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); + + /* FIFO progress might trigger an interrupt. */ + if (pThis->svga.u32IrqMask & SVGA_IRQFLAG_FIFO_PROGRESS) + { + Log(("vmsvgaR3FifoLoop: fifo progress irq\n")); + u32IrqStatus |= SVGA_IRQFLAG_FIFO_PROGRESS; + } + + /* Unmasked IRQ pending? */ + if (pThis->svga.u32IrqMask & u32IrqStatus) + { + Log(("vmsvgaR3FifoLoop: Trigger interrupt with status %x\n", u32IrqStatus)); + ASMAtomicOrU32(&pThis->svga.u32IrqStatus, u32IrqStatus); + PDMDevHlpPCISetIrq(pDevIns, 0, 1); + } + + PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); + } + } + + /* If really done, clear the busy flag. */ + if (fDone) + { + Log(("vmsvgaR3FifoLoop: emptied the FIFO next=%x stop=%x\n", pFIFO[SVGA_FIFO_NEXT_CMD], offCurrentCmd)); + vmsvgaR3FifoSetNotBusy(pDevIns, pThis, pThisCC, pSVGAState, offFifoMin); + } + } + + /* + * Free the bounce buffer. (There are no returns above!) + */ + RTMemFree(pbBounceBuf); + + return VINF_SUCCESS; +} + +#undef VMSVGAFIFO_GET_MORE_CMD_BUFFER_BREAK +#undef VMSVGAFIFO_GET_CMD_BUFFER_BREAK + +/** + * @callback_method_impl{PFNPDMTHREADWAKEUPDEV, + * Unblock the FIFO I/O thread so it can respond to a state change.} + */ +static DECLCALLBACK(int) vmsvgaR3FifoLoopWakeUp(PPDMDEVINS pDevIns, PPDMTHREAD pThread) +{ + RT_NOREF(pDevIns); + PVGASTATE pThis = (PVGASTATE)pThread->pvUser; + Log(("vmsvgaR3FifoLoopWakeUp\n")); + return PDMDevHlpSUPSemEventSignal(pDevIns, pThis->svga.hFIFORequestSem); +} + +/** + * Enables or disables dirty page tracking for the framebuffer + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA instance data. + * @param fTraces Enable/disable traces + */ +static void vmsvgaR3SetTraces(PPDMDEVINS pDevIns, PVGASTATE pThis, bool fTraces) +{ + if ( (!pThis->svga.fConfigured || !pThis->svga.fEnabled) + && !fTraces) + { + //Assert(pThis->svga.fTraces); + Log(("vmsvgaR3SetTraces: *not* allowed to disable dirty page tracking when the device is in legacy mode.\n")); + return; + } + + pThis->svga.fTraces = fTraces; + if (pThis->svga.fTraces) + { + unsigned cbFrameBuffer = pThis->vram_size; + + Log(("vmsvgaR3SetTraces: enable dirty page handling for the frame buffer only (%x bytes)\n", 0)); + /** @todo How does this work with screens? */ + if (pThis->svga.uHeight != VMSVGA_VAL_UNINITIALIZED) + { +# ifndef DEBUG_bird /* BB-10.3.1 triggers this as it initializes everything to zero. Better just ignore it. */ + Assert(pThis->svga.cbScanline); +# endif + /* Hardware enabled; return real framebuffer size .*/ + cbFrameBuffer = (uint32_t)pThis->svga.uHeight * pThis->svga.cbScanline; + cbFrameBuffer = RT_ALIGN(cbFrameBuffer, GUEST_PAGE_SIZE); + } + + if (!pThis->svga.fVRAMTracking) + { + Log(("vmsvgaR3SetTraces: enable frame buffer dirty page tracking. (%x bytes; vram %x)\n", cbFrameBuffer, pThis->vram_size)); + vgaR3RegisterVRAMHandler(pDevIns, pThis, cbFrameBuffer); + pThis->svga.fVRAMTracking = true; + } + } + else + { + if (pThis->svga.fVRAMTracking) + { + Log(("vmsvgaR3SetTraces: disable frame buffer dirty page tracking\n")); + vgaR3UnregisterVRAMHandler(pDevIns, pThis); + pThis->svga.fVRAMTracking = false; + } + } +} + +/** + * @callback_method_impl{FNPCIIOREGIONMAP} + */ +DECLCALLBACK(int) vmsvgaR3PciIORegionFifoMapUnmap(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, uint32_t iRegion, + RTGCPHYS GCPhysAddress, RTGCPHYS cb, PCIADDRESSSPACE enmType) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + int rc; + RT_NOREF(pPciDev); + Assert(pPciDev == pDevIns->apPciDevs[0]); + + Log(("vmsvgaR3PciIORegionFifoMapUnmap: iRegion=%d GCPhysAddress=%RGp cb=%RGp enmType=%d\n", iRegion, GCPhysAddress, cb, enmType)); + AssertReturn( iRegion == pThis->pciRegions.iFIFO + && ( enmType == PCI_ADDRESS_SPACE_MEM + || (enmType == PCI_ADDRESS_SPACE_MEM_PREFETCH /* got wrong in 6.1.0RC1 */ && pThis->fStateLoaded)) + , VERR_INTERNAL_ERROR); + if (GCPhysAddress != NIL_RTGCPHYS) + { + /* + * Mapping the FIFO RAM. + */ + AssertLogRelMsg(cb == pThis->svga.cbFIFO, ("cb=%#RGp cbFIFO=%#x\n", cb, pThis->svga.cbFIFO)); + rc = PDMDevHlpMmio2Map(pDevIns, pThis->hMmio2VmSvgaFifo, GCPhysAddress); + AssertRC(rc); + +# if defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) || defined(DEBUG_FIFO_ACCESS) + if (RT_SUCCESS(rc)) + { + rc = PDMDevHlpPGMHandlerPhysicalRegister(pDevIns, GCPhysAddress, +# ifdef DEBUG_FIFO_ACCESS + GCPhysAddress + (pThis->svga.cbFIFO - 1), +# else + GCPhysAddress + GUEST_PAGE_SIZE - 1, +# endif + pThis->svga.hFifoAccessHandlerType, pThis, NIL_RTR0PTR, NIL_RTRCPTR, + "VMSVGA FIFO"); + AssertRC(rc); + } +# endif + if (RT_SUCCESS(rc)) + { + pThis->svga.GCPhysFIFO = GCPhysAddress; + Log(("vmsvgaR3IORegionMap: GCPhysFIFO=%RGp cbFIFO=%#x\n", GCPhysAddress, pThis->svga.cbFIFO)); + } + rc = VINF_PCI_MAPPING_DONE; /* caller only cares about this status, so it is okay that we overwrite errors here. */ + } + else + { + Assert(pThis->svga.GCPhysFIFO); +# if defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) || defined(DEBUG_FIFO_ACCESS) + rc = PDMDevHlpPGMHandlerPhysicalDeregister(pDevIns, pThis->svga.GCPhysFIFO); + AssertRC(rc); +# else + rc = VINF_SUCCESS; +# endif + pThis->svga.GCPhysFIFO = 0; + } + return rc; +} + +# ifdef VBOX_WITH_VMSVGA3D + +/** + * Used by vmsvga3dInfoSurfaceWorker to make the FIFO thread to save one or all + * surfaces to VMSVGA3DMIPMAPLEVEL::pSurfaceData heap buffers. + * + * @param pDevIns The device instance. + * @param pThis The The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + * @param sid Either UINT32_MAX or the ID of a specific surface. If + * UINT32_MAX is used, all surfaces are processed. + */ +void vmsvgaR33dSurfaceUpdateHeapBuffersOnFifoThread(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t sid) +{ + vmsvgaR3RunExtCmdOnFifoThread(pDevIns, pThis, pThisCC, VMSVGA_FIFO_EXTCMD_UPDATE_SURFACE_HEAP_BUFFERS, (void *)(uintptr_t)sid, + sid == UINT32_MAX ? 10 * RT_MS_1SEC : RT_MS_1MIN); +} + + +/** + * @callback_method_impl{FNDBGFHANDLERDEV, "vmsvga3dsfc"} + */ +DECLCALLBACK(void) vmsvgaR3Info3dSurface(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs) +{ + /* There might be a specific surface ID at the start of the + arguments, if not show all surfaces. */ + uint32_t sid = UINT32_MAX; + if (pszArgs) + pszArgs = RTStrStripL(pszArgs); + if (pszArgs && RT_C_IS_DIGIT(*pszArgs)) + sid = RTStrToUInt32(pszArgs); + + /* Verbose or terse display, we default to verbose. */ + bool fVerbose = true; + if (RTStrIStr(pszArgs, "terse")) + fVerbose = false; + + /* The size of the ascii art (x direction, y is 3/4 of x). */ + uint32_t cxAscii = 80; + if (RTStrIStr(pszArgs, "gigantic")) + cxAscii = 300; + else if (RTStrIStr(pszArgs, "huge")) + cxAscii = 180; + else if (RTStrIStr(pszArgs, "big")) + cxAscii = 132; + else if (RTStrIStr(pszArgs, "normal")) + cxAscii = 80; + else if (RTStrIStr(pszArgs, "medium")) + cxAscii = 64; + else if (RTStrIStr(pszArgs, "small")) + cxAscii = 48; + else if (RTStrIStr(pszArgs, "tiny")) + cxAscii = 24; + + /* Y invert the image when producing the ASCII art. */ + bool fInvY = false; + if (RTStrIStr(pszArgs, "invy")) + fInvY = true; + + vmsvga3dInfoSurfaceWorker(pDevIns, PDMDEVINS_2_DATA(pDevIns, PVGASTATE), PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC), + pHlp, sid, fVerbose, cxAscii, fInvY, NULL); +} + + +/** + * @callback_method_impl{FNDBGFHANDLERDEV, "vmsvga3dsurf"} + */ +DECLCALLBACK(void) vmsvgaR3Info3dSurfaceBmp(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs) +{ + /* pszArg = "sid[>dir]" + * Writes %dir%/info-S-sidI.bmp, where S - sequential bitmap number, I - decimal surface id. + */ + char *pszBitmapPath = NULL; + uint32_t sid = UINT32_MAX; + if (pszArgs) + pszArgs = RTStrStripL(pszArgs); + if (pszArgs && RT_C_IS_DIGIT(*pszArgs)) + RTStrToUInt32Ex(pszArgs, &pszBitmapPath, 0, &sid); + if ( pszBitmapPath + && *pszBitmapPath == '>') + ++pszBitmapPath; + + const bool fVerbose = true; + const uint32_t cxAscii = 0; /* No ASCII */ + const bool fInvY = false; /* Do not invert. */ + vmsvga3dInfoSurfaceWorker(pDevIns, PDMDEVINS_2_DATA(pDevIns, PVGASTATE), PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC), + pHlp, sid, fVerbose, cxAscii, fInvY, pszBitmapPath); +} + +/** + * @callback_method_impl{FNDBGFHANDLERDEV, "vmsvga3dctx"} + */ +DECLCALLBACK(void) vmsvgaR3Info3dContext(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs) +{ + /* There might be a specific surface ID at the start of the + arguments, if not show all contexts. */ + uint32_t sid = UINT32_MAX; + if (pszArgs) + pszArgs = RTStrStripL(pszArgs); + if (pszArgs && RT_C_IS_DIGIT(*pszArgs)) + sid = RTStrToUInt32(pszArgs); + + /* Verbose or terse display, we default to verbose. */ + bool fVerbose = true; + if (RTStrIStr(pszArgs, "terse")) + fVerbose = false; + + vmsvga3dInfoContextWorker(PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC), pHlp, sid, fVerbose); +} +# endif /* VBOX_WITH_VMSVGA3D */ + +/** + * @callback_method_impl{FNDBGFHANDLERDEV, "vmsvga"} + */ +static DECLCALLBACK(void) vmsvgaR3Info(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + uint32_t RT_UNTRUSTED_VOLATILE_GUEST *pFIFO = pThisCC->svga.pau32FIFO; + RT_NOREF(pszArgs); + + pHlp->pfnPrintf(pHlp, "Extension enabled: %RTbool\n", pThis->svga.fEnabled); + pHlp->pfnPrintf(pHlp, "Configured: %RTbool\n", pThis->svga.fConfigured); + pHlp->pfnPrintf(pHlp, "Base I/O port: %#x\n", + pThis->hIoPortVmSvga != NIL_IOMIOPORTHANDLE + ? PDMDevHlpIoPortGetMappingAddress(pDevIns, pThis->hIoPortVmSvga) : UINT32_MAX); + pHlp->pfnPrintf(pHlp, "FIFO address: %RGp\n", pThis->svga.GCPhysFIFO); + pHlp->pfnPrintf(pHlp, "FIFO size: %u (%#x)\n", pThis->svga.cbFIFO, pThis->svga.cbFIFO); + pHlp->pfnPrintf(pHlp, "FIFO external cmd: %#x\n", pThis->svga.u8FIFOExtCommand); + pHlp->pfnPrintf(pHlp, "FIFO extcmd wakeup: %u\n", pThis->svga.fFifoExtCommandWakeup); + pHlp->pfnPrintf(pHlp, "FIFO min/max: %u/%u\n", pFIFO[SVGA_FIFO_MIN], pFIFO[SVGA_FIFO_MAX]); + pHlp->pfnPrintf(pHlp, "Busy: %#x\n", pThis->svga.fBusy); + pHlp->pfnPrintf(pHlp, "Traces: %RTbool (effective: %RTbool)\n", pThis->svga.fTraces, pThis->svga.fVRAMTracking); + pHlp->pfnPrintf(pHlp, "Guest ID: %#x (%d)\n", pThis->svga.u32GuestId, pThis->svga.u32GuestId); + pHlp->pfnPrintf(pHlp, "IRQ status: %#x\n", pThis->svga.u32IrqStatus); + pHlp->pfnPrintf(pHlp, "IRQ mask: %#x\n", pThis->svga.u32IrqMask); + pHlp->pfnPrintf(pHlp, "Pitch lock: %#x (FIFO:%#x)\n", pThis->svga.u32PitchLock, pFIFO[SVGA_FIFO_PITCHLOCK]); + pHlp->pfnPrintf(pHlp, "Current GMR ID: %#x\n", pThis->svga.u32CurrentGMRId); + pHlp->pfnPrintf(pHlp, "Device Capabilites: %#x\n", pThis->svga.u32DeviceCaps); + pHlp->pfnPrintf(pHlp, "Device Cap2: %#x\n", pThis->svga.u32DeviceCaps2); + pHlp->pfnPrintf(pHlp, "Guest driver id: %#x\n", pThis->svga.u32GuestDriverId); + pHlp->pfnPrintf(pHlp, "Guest driver ver1: %#x\n", pThis->svga.u32GuestDriverVer1); + pHlp->pfnPrintf(pHlp, "Guest driver ver2: %#x\n", pThis->svga.u32GuestDriverVer2); + pHlp->pfnPrintf(pHlp, "Guest driver ver3: %#x\n", pThis->svga.u32GuestDriverVer3); + pHlp->pfnPrintf(pHlp, "Index reg: %#x\n", pThis->svga.u32IndexReg); + pHlp->pfnPrintf(pHlp, "Action flags: %#x\n", pThis->svga.u32ActionFlags); + pHlp->pfnPrintf(pHlp, "Max display size: %ux%u\n", pThis->svga.u32MaxWidth, pThis->svga.u32MaxHeight); + pHlp->pfnPrintf(pHlp, "Display size: %ux%u %ubpp\n", pThis->svga.uWidth, pThis->svga.uHeight, pThis->svga.uBpp); + pHlp->pfnPrintf(pHlp, "Scanline: %u (%#x)\n", pThis->svga.cbScanline, pThis->svga.cbScanline); + pHlp->pfnPrintf(pHlp, "Viewport position: %ux%u\n", pThis->svga.viewport.x, pThis->svga.viewport.y); + pHlp->pfnPrintf(pHlp, "Viewport size: %ux%u\n", pThis->svga.viewport.cx, pThis->svga.viewport.cy); + + pHlp->pfnPrintf(pHlp, "Cursor active: %RTbool\n", pSVGAState->Cursor.fActive); + pHlp->pfnPrintf(pHlp, "Cursor hotspot: %ux%u\n", pSVGAState->Cursor.xHotspot, pSVGAState->Cursor.yHotspot); + pHlp->pfnPrintf(pHlp, "Cursor size: %ux%u\n", pSVGAState->Cursor.width, pSVGAState->Cursor.height); + pHlp->pfnPrintf(pHlp, "Cursor byte size: %u (%#x)\n", pSVGAState->Cursor.cbData, pSVGAState->Cursor.cbData); + + pHlp->pfnPrintf(pHlp, "FIFO cursor: state %u, screen %d\n", pFIFO[SVGA_FIFO_CURSOR_ON], pFIFO[SVGA_FIFO_CURSOR_SCREEN_ID]); + pHlp->pfnPrintf(pHlp, "FIFO cursor at: %u,%u\n", pFIFO[SVGA_FIFO_CURSOR_X], pFIFO[SVGA_FIFO_CURSOR_Y]); + + pHlp->pfnPrintf(pHlp, "Legacy cursor: ID %u, state %u\n", pThis->svga.uCursorID, pThis->svga.uCursorOn); + pHlp->pfnPrintf(pHlp, "Legacy cursor at: %u,%u\n", pThis->svga.uCursorX, pThis->svga.uCursorY); + +# ifdef VBOX_WITH_VMSVGA3D + pHlp->pfnPrintf(pHlp, "3D enabled: %RTbool\n", pThis->svga.f3DEnabled); +# endif + if (pThisCC->pDrv) + { + pHlp->pfnPrintf(pHlp, "Driver mode: %ux%u %ubpp\n", pThisCC->pDrv->cx, pThisCC->pDrv->cy, pThisCC->pDrv->cBits); + pHlp->pfnPrintf(pHlp, "Driver pitch: %u (%#x)\n", pThisCC->pDrv->cbScanline, pThisCC->pDrv->cbScanline); + } + + /* Dump screen information. */ + for (unsigned iScreen = 0; iScreen < RT_ELEMENTS(pSVGAState->aScreens); ++iScreen) + { + VMSVGASCREENOBJECT *pScreen = vmsvgaR3GetScreenObject(pThisCC, iScreen); + if (pScreen) + { + pHlp->pfnPrintf(pHlp, "Screen %u defined (ID %u):\n", iScreen, pScreen->idScreen); + pHlp->pfnPrintf(pHlp, " %u x %u x %ubpp @ %u, %u\n", pScreen->cWidth, pScreen->cHeight, + pScreen->cBpp, pScreen->xOrigin, pScreen->yOrigin); + pHlp->pfnPrintf(pHlp, " Pitch %u bytes, VRAM offset %X\n", pScreen->cbPitch, pScreen->offVRAM); + pHlp->pfnPrintf(pHlp, " Flags %X", pScreen->fuScreen); + if (pScreen->fuScreen != SVGA_SCREEN_MUST_BE_SET) + { + pHlp->pfnPrintf(pHlp, " ("); + if (pScreen->fuScreen & SVGA_SCREEN_IS_PRIMARY) + pHlp->pfnPrintf(pHlp, " IS_PRIMARY"); + if (pScreen->fuScreen & SVGA_SCREEN_FULLSCREEN_HINT) + pHlp->pfnPrintf(pHlp, " FULLSCREEN_HINT"); + if (pScreen->fuScreen & SVGA_SCREEN_DEACTIVATE) + pHlp->pfnPrintf(pHlp, " DEACTIVATE"); + if (pScreen->fuScreen & SVGA_SCREEN_BLANKING) + pHlp->pfnPrintf(pHlp, " BLANKING"); + pHlp->pfnPrintf(pHlp, " )"); + } + pHlp->pfnPrintf(pHlp, ", %smodified\n", pScreen->fModified ? "" : "not "); + } + } + +} + +static int vmsvgaR3LoadBufCtx(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, PSSMHANDLE pSSM, PVMSVGACMDBUFCTX pBufCtx, SVGACBContext CBCtx) +{ + PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; + PVMSVGAR3STATE pSvgaR3State = pThisCC->svga.pSvgaR3State; + + uint32_t cSubmitted; + int rc = pHlp->pfnSSMGetU32(pSSM, &cSubmitted); + AssertLogRelRCReturn(rc, rc); + + for (uint32_t i = 0; i < cSubmitted; ++i) + { + PVMSVGACMDBUF pCmdBuf = vmsvgaR3CmdBufAlloc(pBufCtx); + AssertPtrReturn(pCmdBuf, VERR_NO_MEMORY); + + pHlp->pfnSSMGetGCPhys(pSSM, &pCmdBuf->GCPhysCB); + + uint32_t u32; + rc = pHlp->pfnSSMGetU32(pSSM, &u32); + AssertRCReturn(rc, rc); + AssertReturn(u32 == sizeof(SVGACBHeader), VERR_INVALID_STATE); + pHlp->pfnSSMGetMem(pSSM, &pCmdBuf->hdr, sizeof(SVGACBHeader)); + + rc = pHlp->pfnSSMGetU32(pSSM, &u32); + AssertRCReturn(rc, rc); + AssertReturn(u32 == pCmdBuf->hdr.length, VERR_INVALID_STATE); + + if (pCmdBuf->hdr.length) + { + pCmdBuf->pvCommands = RTMemAlloc(pCmdBuf->hdr.length); + AssertPtrReturn(pCmdBuf->pvCommands, VERR_NO_MEMORY); + + rc = pHlp->pfnSSMGetMem(pSSM, pCmdBuf->pvCommands, pCmdBuf->hdr.length); + AssertRCReturn(rc, rc); + } + + if (RT_LIKELY(CBCtx < RT_ELEMENTS(pSvgaR3State->apCmdBufCtxs))) + { + vmsvgaR3CmdBufSubmitCtx(pDevIns, pThis, pThisCC, &pCmdBuf); + } + else + { + uint32_t offNextCmd = 0; + vmsvgaR3CmdBufSubmitDC(pDevIns, pThisCC, &pCmdBuf, &offNextCmd); + } + + /* Free the buffer if CmdBufSubmit* did not consume it. */ + vmsvgaR3CmdBufFree(pCmdBuf); + } + return rc; +} + +static int vmsvgaR3LoadCommandBuffers(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, PSSMHANDLE pSSM) +{ + PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; + PVMSVGAR3STATE pSvgaR3State = pThisCC->svga.pSvgaR3State; + + bool f; + uint32_t u32; + + /* Device context command buffers. */ + int rc = vmsvgaR3LoadBufCtx(pDevIns, pThis, pThisCC, pSSM, &pSvgaR3State->CmdBufCtxDC, SVGA_CB_CONTEXT_MAX); + AssertLogRelRCReturn(rc, rc); + + /* DX contexts command buffers. */ + uint32_t cBufCtx; + rc = pHlp->pfnSSMGetU32(pSSM, &cBufCtx); + AssertLogRelRCReturn(rc, rc); + AssertReturn(cBufCtx == RT_ELEMENTS(pSvgaR3State->apCmdBufCtxs), VERR_INVALID_STATE); + for (uint32_t j = 0; j < cBufCtx; ++j) + { + rc = pHlp->pfnSSMGetBool(pSSM, &f); + AssertLogRelRCReturn(rc, rc); + if (f) + { + pSvgaR3State->apCmdBufCtxs[j] = (PVMSVGACMDBUFCTX)RTMemAlloc(sizeof(VMSVGACMDBUFCTX)); + AssertPtrReturn(pSvgaR3State->apCmdBufCtxs[j], VERR_NO_MEMORY); + vmsvgaR3CmdBufCtxInit(pSvgaR3State->apCmdBufCtxs[j]); + + rc = vmsvgaR3LoadBufCtx(pDevIns, pThis, pThisCC, pSSM, pSvgaR3State->apCmdBufCtxs[j], (SVGACBContext)j); + AssertLogRelRCReturn(rc, rc); + } + } + + rc = pHlp->pfnSSMGetU32(pSSM, &u32); + pSvgaR3State->fCmdBuf = u32; + return rc; +} + +static int vmsvgaR3LoadGbo(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, VMSVGAGBO *pGbo) +{ + PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; + + int rc; + pHlp->pfnSSMGetU32(pSSM, &pGbo->fGboFlags); + pHlp->pfnSSMGetU32(pSSM, &pGbo->cTotalPages); + pHlp->pfnSSMGetU32(pSSM, &pGbo->cbTotal); + rc = pHlp->pfnSSMGetU32(pSSM, &pGbo->cDescriptors); + AssertRCReturn(rc, rc); + + if (pGbo->cDescriptors) + { + pGbo->paDescriptors = (PVMSVGAGBODESCRIPTOR)RTMemAllocZ(pGbo->cDescriptors * sizeof(VMSVGAGBODESCRIPTOR)); + AssertPtrReturn(pGbo->paDescriptors, VERR_NO_MEMORY); + } + + for (uint32_t iDesc = 0; iDesc < pGbo->cDescriptors; ++iDesc) + { + PVMSVGAGBODESCRIPTOR pDesc = &pGbo->paDescriptors[iDesc]; + pHlp->pfnSSMGetGCPhys(pSSM, &pDesc->GCPhys); + rc = pHlp->pfnSSMGetU64(pSSM, &pDesc->cPages); + } + + if (pGbo->fGboFlags & VMSVGAGBO_F_HOST_BACKED) + { + pGbo->pvHost = RTMemAlloc(pGbo->cbTotal); + AssertPtrReturn(pGbo->pvHost, VERR_NO_MEMORY); + rc = pHlp->pfnSSMGetMem(pSSM, pGbo->pvHost, pGbo->cbTotal); + } + + return rc; +} + +/** + * Portion of VMSVGA state which must be loaded oin the FIFO thread. + */ +static int vmsvgaR3LoadExecFifo(PCPDMDEVHLPR3 pHlp, PVGASTATE pThis, PVGASTATECC pThisCC, + PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass) +{ + RT_NOREF(uPass); + + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + int rc; + + if (uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA_SCREENS) + { + uint32_t cScreens = 0; + rc = pHlp->pfnSSMGetU32(pSSM, &cScreens); + AssertRCReturn(rc, rc); + AssertLogRelMsgReturn(cScreens <= _64K, /* big enough */ + ("cScreens=%#x\n", cScreens), + VERR_SSM_DATA_UNIT_FORMAT_CHANGED); + + for (uint32_t i = 0; i < cScreens; ++i) + { + VMSVGASCREENOBJECT screen; + RT_ZERO(screen); + + rc = pHlp->pfnSSMGetStructEx(pSSM, &screen, sizeof(screen), 0, g_aVMSVGASCREENOBJECTFields, NULL); + AssertLogRelRCReturn(rc, rc); + + if (screen.idScreen < RT_ELEMENTS(pSVGAState->aScreens)) + { + VMSVGASCREENOBJECT *pScreen = &pSVGAState->aScreens[screen.idScreen]; + *pScreen = screen; + pScreen->fModified = true; + + if (uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA_DX) + { + uint32_t u32; + pHlp->pfnSSMGetU32(pSSM, &u32); /* Size of screen bitmap. */ + AssertLogRelRCReturn(rc, rc); + if (u32) + { + pScreen->pvScreenBitmap = RTMemAlloc(u32); + AssertPtrReturn(pScreen->pvScreenBitmap, VERR_NO_MEMORY); + + pHlp->pfnSSMGetMem(pSSM, pScreen->pvScreenBitmap, u32); + } + } + } + else + { + LogRel(("VGA: ignored screen object %d\n", screen.idScreen)); + } + } + } + else + { + /* Try to setup at least the first screen. */ + VMSVGASCREENOBJECT *pScreen = &pSVGAState->aScreens[0]; + Assert(pScreen->idScreen == 0); + pScreen->fDefined = true; + pScreen->fModified = true; + pScreen->fuScreen = SVGA_SCREEN_MUST_BE_SET | SVGA_SCREEN_IS_PRIMARY; + pScreen->xOrigin = 0; + pScreen->yOrigin = 0; + pScreen->offVRAM = pThis->svga.uScreenOffset; + pScreen->cbPitch = pThis->svga.cbScanline; + pScreen->cWidth = pThis->svga.uWidth; + pScreen->cHeight = pThis->svga.uHeight; + pScreen->cBpp = pThis->svga.uBpp; + } + + return VINF_SUCCESS; +} + +/** + * @copydoc FNSSMDEVLOADEXEC + */ +int vmsvgaR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass) +{ + RT_NOREF(uPass); + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; + int rc; + + /* Load our part of the VGAState */ + rc = pHlp->pfnSSMGetStructEx(pSSM, &pThis->svga, sizeof(pThis->svga), 0, g_aVGAStateSVGAFields, NULL); + AssertRCReturn(rc, rc); + + /* Load the VGA framebuffer. */ + AssertCompile(VMSVGA_VGA_FB_BACKUP_SIZE >= _32K); + uint32_t cbVgaFramebuffer = _32K; + if (uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA_VGA_FB_FIX) + { + rc = pHlp->pfnSSMGetU32(pSSM, &cbVgaFramebuffer); + AssertRCReturn(rc, rc); + AssertLogRelMsgReturn(cbVgaFramebuffer <= _4M && cbVgaFramebuffer >= _32K && RT_IS_POWER_OF_TWO(cbVgaFramebuffer), + ("cbVgaFramebuffer=%#x - expected 32KB..4MB, power of two\n", cbVgaFramebuffer), + VERR_SSM_DATA_UNIT_FORMAT_CHANGED); + AssertCompile(VMSVGA_VGA_FB_BACKUP_SIZE <= _4M); + AssertCompile(RT_IS_POWER_OF_TWO(VMSVGA_VGA_FB_BACKUP_SIZE)); + } + rc = pHlp->pfnSSMGetMem(pSSM, pThisCC->svga.pbVgaFrameBufferR3, RT_MIN(cbVgaFramebuffer, VMSVGA_VGA_FB_BACKUP_SIZE)); + AssertRCReturn(rc, rc); + if (cbVgaFramebuffer > VMSVGA_VGA_FB_BACKUP_SIZE) + pHlp->pfnSSMSkip(pSSM, cbVgaFramebuffer - VMSVGA_VGA_FB_BACKUP_SIZE); + else if (cbVgaFramebuffer < VMSVGA_VGA_FB_BACKUP_SIZE) + RT_BZERO(&pThisCC->svga.pbVgaFrameBufferR3[cbVgaFramebuffer], VMSVGA_VGA_FB_BACKUP_SIZE - cbVgaFramebuffer); + + /* Load the VMSVGA state. */ + rc = pHlp->pfnSSMGetStructEx(pSSM, pSVGAState, sizeof(*pSVGAState), 0, g_aVMSVGAR3STATEFields, NULL); + AssertRCReturn(rc, rc); + + /* Load the active cursor bitmaps. */ + if (pSVGAState->Cursor.fActive) + { + pSVGAState->Cursor.pData = RTMemAlloc(pSVGAState->Cursor.cbData); + AssertReturn(pSVGAState->Cursor.pData, VERR_NO_MEMORY); + + rc = pHlp->pfnSSMGetMem(pSSM, pSVGAState->Cursor.pData, pSVGAState->Cursor.cbData); + AssertRCReturn(rc, rc); + } + + /* Load the GMR state. */ + uint32_t cGMR = 256; /* Hardcoded in previous saved state versions. */ + if (uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA_GMR_COUNT) + { + rc = pHlp->pfnSSMGetU32(pSSM, &cGMR); + AssertRCReturn(rc, rc); + /* Numbers of GMRs was never less than 256. 1MB is a large arbitrary limit. */ + AssertLogRelMsgReturn(cGMR <= _1M && cGMR >= 256, + ("cGMR=%#x - expected 256B..1MB\n", cGMR), + VERR_SSM_DATA_UNIT_FORMAT_CHANGED); + } + + if (pThis->svga.cGMR != cGMR) + { + /* Reallocate GMR array. */ + Assert(pSVGAState->paGMR != NULL); + RTMemFree(pSVGAState->paGMR); + pSVGAState->paGMR = (PGMR)RTMemAllocZ(cGMR * sizeof(GMR)); + AssertReturn(pSVGAState->paGMR, VERR_NO_MEMORY); + pThis->svga.cGMR = cGMR; + } + + for (uint32_t i = 0; i < cGMR; ++i) + { + PGMR pGMR = &pSVGAState->paGMR[i]; + + rc = pHlp->pfnSSMGetStructEx(pSSM, pGMR, sizeof(*pGMR), 0, g_aGMRFields, NULL); + AssertRCReturn(rc, rc); + + if (pGMR->numDescriptors) + { + Assert(pGMR->cMaxPages || pGMR->cbTotal); + pGMR->paDesc = (PVMSVGAGMRDESCRIPTOR)RTMemAllocZ(pGMR->numDescriptors * sizeof(VMSVGAGMRDESCRIPTOR)); + AssertReturn(pGMR->paDesc, VERR_NO_MEMORY); + + for (uint32_t j = 0; j < pGMR->numDescriptors; ++j) + { + rc = pHlp->pfnSSMGetStructEx(pSSM, &pGMR->paDesc[j], sizeof(pGMR->paDesc[j]), 0, g_aVMSVGAGMRDESCRIPTORFields, NULL); + AssertRCReturn(rc, rc); + } + } + } + + if (uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA_DX) + { + bool f; + uint32_t u32; + + if (uVersion >= VGA_SAVEDSTATE_VERSION_VMSVGA_DX_CMDBUF) + { + /* Command buffers are saved independently from VGPU10. */ + rc = pHlp->pfnSSMGetBool(pSSM, &f); + AssertLogRelRCReturn(rc, rc); + if (f) + { + rc = vmsvgaR3LoadCommandBuffers(pDevIns, pThis, pThisCC, pSSM); + AssertLogRelRCReturn(rc, rc); + } + } + + rc = pHlp->pfnSSMGetBool(pSSM, &f); + AssertLogRelRCReturn(rc, rc); + pThis->fVMSVGA10 = f; + + if (pThis->fVMSVGA10) + { + if (uVersion < VGA_SAVEDSTATE_VERSION_VMSVGA_DX_CMDBUF) + { + rc = vmsvgaR3LoadCommandBuffers(pDevIns, pThis, pThisCC, pSSM); + AssertLogRelRCReturn(rc, rc); + } + + /* + * OTables GBOs. + */ + rc = pHlp->pfnSSMGetU32(pSSM, &u32); + AssertLogRelRCReturn(rc, rc); + AssertReturn(u32 == SVGA_OTABLE_MAX, VERR_INVALID_STATE); + for (int i = 0; i < SVGA_OTABLE_MAX; ++i) + { + VMSVGAGBO *pGbo = &pSVGAState->aGboOTables[i]; + rc = vmsvgaR3LoadGbo(pDevIns, pSSM, pGbo); + AssertRCReturn(rc, rc); + } + + /* + * MOBs. + */ + for (;;) + { + rc = pHlp->pfnSSMGetU32(pSSM, &u32); /* MOB id. */ + AssertRCReturn(rc, rc); + if (u32 == SVGA_ID_INVALID) + break; + + PVMSVGAMOB pMob = (PVMSVGAMOB)RTMemAllocZ(sizeof(*pMob)); + AssertPtrReturn(pMob, VERR_NO_MEMORY); + + rc = vmsvgaR3LoadGbo(pDevIns, pSSM, &pMob->Gbo); + AssertRCReturn(rc, rc); + + pMob->Core.Key = u32; + if (RTAvlU32Insert(&pSVGAState->MOBTree, &pMob->Core)) + RTListPrepend(&pSVGAState->MOBLRUList, &pMob->nodeLRU); + else + AssertFailedReturn(VERR_NO_MEMORY); + } + +# ifdef VMSVGA3D_DX + if (pThis->svga.f3DEnabled) + { + pHlp->pfnSSMGetU32(pSSM, &pSVGAState->idDXContextCurrent); + } +# endif + } + } + +# ifdef RT_OS_DARWIN /** @todo r=bird: this is normally done on the EMT, so for DARWIN we do that when loading saved state too now. See DevVGA-SVGA3d-shared.h. */ + vmsvgaR3PowerOnDevice(pDevIns, pThis, pThisCC, /*fLoadState=*/ true); +# endif + + VMSVGA_STATE_LOAD LoadState; + LoadState.pSSM = pSSM; + LoadState.uVersion = uVersion; + LoadState.uPass = uPass; + rc = vmsvgaR3RunExtCmdOnFifoThread(pDevIns, pThis, pThisCC, VMSVGA_FIFO_EXTCMD_LOADSTATE, &LoadState, RT_INDEFINITE_WAIT); + AssertLogRelRCReturn(rc, rc); + + return VINF_SUCCESS; +} + +/** + * Reinit the video mode after the state has been loaded. + */ +int vmsvgaR3LoadDone(PPDMDEVINS pDevIns) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + + /* VMSVGA is working via VBVA interface, therefore it needs to be + * enabled on saved state restore. See @bugref{10071#c7}. */ + if (pThis->svga.fEnabled) + { + for (uint32_t idScreen = 0; idScreen < pThis->cMonitors; ++idScreen) + pThisCC->pDrv->pfnVBVAEnable(pThisCC->pDrv, idScreen, NULL /*pHostFlags*/); + } + + /* Set the active cursor. */ + if (pSVGAState->Cursor.fActive) + { + /* We don't store the alpha flag, but we can take a guess that if + * the old register interface was used, the cursor was B&W. + */ + bool fAlpha = pThis->svga.uCursorOn ? false : true; + + int rc = pThisCC->pDrv->pfnVBVAMousePointerShape(pThisCC->pDrv, + true /*fVisible*/, + fAlpha, + pSVGAState->Cursor.xHotspot, + pSVGAState->Cursor.yHotspot, + pSVGAState->Cursor.width, + pSVGAState->Cursor.height, + pSVGAState->Cursor.pData); + AssertRC(rc); + + if (pThis->svga.uCursorOn) + pThisCC->pDrv->pfnVBVAReportCursorPosition(pThisCC->pDrv, VBVA_CURSOR_VALID_DATA, SVGA_ID_INVALID, pThis->svga.uCursorX, pThis->svga.uCursorY); + } + + /* If the VRAM handler should not be registered, we have to explicitly + * unregister it here! + */ + if (!pThis->svga.fVRAMTracking) + { + vgaR3UnregisterVRAMHandler(pDevIns, pThis); + } + + /* Let the FIFO thread deal with changing the mode. */ + ASMAtomicOrU32(&pThis->svga.u32ActionFlags, VMSVGA_ACTION_CHANGEMODE); + + return VINF_SUCCESS; +} + +static int vmsvgaR3SaveBufCtx(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, PVMSVGACMDBUFCTX pBufCtx) +{ + PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; + + int rc = pHlp->pfnSSMPutU32(pSSM, pBufCtx->cSubmitted); + AssertLogRelRCReturn(rc, rc); + if (pBufCtx->cSubmitted) + { + PVMSVGACMDBUF pIter; + RTListForEach(&pBufCtx->listSubmitted, pIter, VMSVGACMDBUF, nodeBuffer) + { + pHlp->pfnSSMPutGCPhys(pSSM, pIter->GCPhysCB); + pHlp->pfnSSMPutU32(pSSM, sizeof(SVGACBHeader)); + pHlp->pfnSSMPutMem(pSSM, &pIter->hdr, sizeof(SVGACBHeader)); + pHlp->pfnSSMPutU32(pSSM, pIter->hdr.length); + if (pIter->hdr.length) + rc = pHlp->pfnSSMPutMem(pSSM, pIter->pvCommands, pIter->hdr.length); + AssertLogRelRCReturn(rc, rc); + } + } + return rc; +} + +static int vmsvgaR3SaveGbo(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, VMSVGAGBO *pGbo) +{ + PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; + + int rc; + pHlp->pfnSSMPutU32(pSSM, pGbo->fGboFlags); + pHlp->pfnSSMPutU32(pSSM, pGbo->cTotalPages); + pHlp->pfnSSMPutU32(pSSM, pGbo->cbTotal); + rc = pHlp->pfnSSMPutU32(pSSM, pGbo->cDescriptors); + for (uint32_t iDesc = 0; iDesc < pGbo->cDescriptors; ++iDesc) + { + PVMSVGAGBODESCRIPTOR pDesc = &pGbo->paDescriptors[iDesc]; + pHlp->pfnSSMPutGCPhys(pSSM, pDesc->GCPhys); + rc = pHlp->pfnSSMPutU64(pSSM, pDesc->cPages); + } + if (pGbo->fGboFlags & VMSVGAGBO_F_HOST_BACKED) + rc = pHlp->pfnSSMPutMem(pSSM, pGbo->pvHost, pGbo->cbTotal); + return rc; +} + +/** + * Portion of SVGA state which must be saved in the FIFO thread. + */ +static int vmsvgaR3SaveExecFifo(PCPDMDEVHLPR3 pHlp, PVGASTATECC pThisCC, PSSMHANDLE pSSM) +{ + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + int rc; + + /* Save the screen objects. */ + /* Count defined screen object. */ + uint32_t cScreens = 0; + for (uint32_t i = 0; i < RT_ELEMENTS(pSVGAState->aScreens); ++i) + { + if (pSVGAState->aScreens[i].fDefined) + ++cScreens; + } + + rc = pHlp->pfnSSMPutU32(pSSM, cScreens); + AssertLogRelRCReturn(rc, rc); + + for (uint32_t i = 0; i < RT_ELEMENTS(pSVGAState->aScreens); ++i) + { + VMSVGASCREENOBJECT *pScreen = &pSVGAState->aScreens[i]; + if (!pScreen->fDefined) + continue; + + rc = pHlp->pfnSSMPutStructEx(pSSM, pScreen, sizeof(*pScreen), 0, g_aVMSVGASCREENOBJECTFields, NULL); + AssertLogRelRCReturn(rc, rc); + + /* + * VGA_SAVEDSTATE_VERSION_VMSVGA_DX + */ + if (pScreen->pvScreenBitmap) + { + uint32_t const cbScreenBitmap = pScreen->cHeight * pScreen->cbPitch; + pHlp->pfnSSMPutU32(pSSM, cbScreenBitmap); + pHlp->pfnSSMPutMem(pSSM, pScreen->pvScreenBitmap, cbScreenBitmap); + } + else + pHlp->pfnSSMPutU32(pSSM, 0); + } + return VINF_SUCCESS; +} + +/** + * @copydoc FNSSMDEVSAVEEXEC + */ +int vmsvgaR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3; + int rc; + + /* Save our part of the VGAState */ + rc = pHlp->pfnSSMPutStructEx(pSSM, &pThis->svga, sizeof(pThis->svga), 0, g_aVGAStateSVGAFields, NULL); + AssertLogRelRCReturn(rc, rc); + + /* Save the framebuffer backup. */ + rc = pHlp->pfnSSMPutU32(pSSM, VMSVGA_VGA_FB_BACKUP_SIZE); + rc = pHlp->pfnSSMPutMem(pSSM, pThisCC->svga.pbVgaFrameBufferR3, VMSVGA_VGA_FB_BACKUP_SIZE); + AssertLogRelRCReturn(rc, rc); + + /* Save the VMSVGA state. */ + rc = pHlp->pfnSSMPutStructEx(pSSM, pSVGAState, sizeof(*pSVGAState), 0, g_aVMSVGAR3STATEFields, NULL); + AssertLogRelRCReturn(rc, rc); + + /* Save the active cursor bitmaps. */ + if (pSVGAState->Cursor.fActive) + { + rc = pHlp->pfnSSMPutMem(pSSM, pSVGAState->Cursor.pData, pSVGAState->Cursor.cbData); + AssertLogRelRCReturn(rc, rc); + } + + /* Save the GMR state */ + rc = pHlp->pfnSSMPutU32(pSSM, pThis->svga.cGMR); + AssertLogRelRCReturn(rc, rc); + for (uint32_t i = 0; i < pThis->svga.cGMR; ++i) + { + PGMR pGMR = &pSVGAState->paGMR[i]; + + rc = pHlp->pfnSSMPutStructEx(pSSM, pGMR, sizeof(*pGMR), 0, g_aGMRFields, NULL); + AssertLogRelRCReturn(rc, rc); + + for (uint32_t j = 0; j < pGMR->numDescriptors; ++j) + { + rc = pHlp->pfnSSMPutStructEx(pSSM, &pGMR->paDesc[j], sizeof(pGMR->paDesc[j]), 0, g_aVMSVGAGMRDESCRIPTORFields, NULL); + AssertLogRelRCReturn(rc, rc); + } + } + + /* + * VGA_SAVEDSTATE_VERSION_VMSVGA_DX+ + */ + if (pThis->svga.u32DeviceCaps & SVGA_CAP_COMMAND_BUFFERS) + { + rc = pHlp->pfnSSMPutBool(pSSM, true); + AssertLogRelRCReturn(rc, rc); + + /* Device context command buffers. */ + rc = vmsvgaR3SaveBufCtx(pDevIns, pSSM, &pSVGAState->CmdBufCtxDC); + AssertRCReturn(rc, rc); + + /* DX contexts command buffers. */ + rc = pHlp->pfnSSMPutU32(pSSM, RT_ELEMENTS(pSVGAState->apCmdBufCtxs)); + AssertLogRelRCReturn(rc, rc); + for (unsigned i = 0; i < RT_ELEMENTS(pSVGAState->apCmdBufCtxs); ++i) + { + if (pSVGAState->apCmdBufCtxs[i]) + { + pHlp->pfnSSMPutBool(pSSM, true); + rc = vmsvgaR3SaveBufCtx(pDevIns, pSSM, pSVGAState->apCmdBufCtxs[i]); + AssertRCReturn(rc, rc); + } + else + pHlp->pfnSSMPutBool(pSSM, false); + } + + rc = pHlp->pfnSSMPutU32(pSSM, pSVGAState->fCmdBuf); + AssertRCReturn(rc, rc); + } + else + { + rc = pHlp->pfnSSMPutBool(pSSM, false); + AssertLogRelRCReturn(rc, rc); + } + + rc = pHlp->pfnSSMPutBool(pSSM, pThis->fVMSVGA10); + AssertLogRelRCReturn(rc, rc); + + if (pThis->fVMSVGA10) + { + /* + * OTables GBOs. + */ + pHlp->pfnSSMPutU32(pSSM, SVGA_OTABLE_MAX); + for (int i = 0; i < SVGA_OTABLE_MAX; ++i) + { + VMSVGAGBO *pGbo = &pSVGAState->aGboOTables[i]; + rc = vmsvgaR3SaveGbo(pDevIns, pSSM, pGbo); + AssertRCReturn(rc, rc); + } + + /* + * MOBs. + */ + PVMSVGAMOB pIter; + RTListForEach(&pSVGAState->MOBLRUList, pIter, VMSVGAMOB, nodeLRU) + { + pHlp->pfnSSMPutU32(pSSM, pIter->Core.Key); /* MOB id. */ + rc = vmsvgaR3SaveGbo(pDevIns, pSSM, &pIter->Gbo); + AssertRCReturn(rc, rc); + } + + pHlp->pfnSSMPutU32(pSSM, SVGA_ID_INVALID); /* End marker. */ + +# ifdef VMSVGA3D_DX + if (pThis->svga.f3DEnabled) + { + pHlp->pfnSSMPutU32(pSSM, pSVGAState->idDXContextCurrent); + } +# endif + } + + /* + * Must save some state (3D in particular) in the FIFO thread. + */ + rc = vmsvgaR3RunExtCmdOnFifoThread(pDevIns, pThis, pThisCC, VMSVGA_FIFO_EXTCMD_SAVESTATE, pSSM, RT_INDEFINITE_WAIT); + AssertLogRelRCReturn(rc, rc); + + return VINF_SUCCESS; +} + +/** + * Destructor for PVMSVGAR3STATE structure. The structure is not deallocated. + * + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The device context. + */ +static void vmsvgaR3StateTerm(PVGASTATE pThis, PVGASTATECC pThisCC) +{ + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + +# ifndef VMSVGA_USE_EMT_HALT_CODE + if (pSVGAState->hBusyDelayedEmts != NIL_RTSEMEVENTMULTI) + { + RTSemEventMultiDestroy(pSVGAState->hBusyDelayedEmts); + pSVGAState->hBusyDelayedEmts = NIL_RTSEMEVENT; + } +# endif + + if (pSVGAState->Cursor.fActive) + { + RTMemFreeZ(pSVGAState->Cursor.pData, pSVGAState->Cursor.cbData); + pSVGAState->Cursor.pData = NULL; + pSVGAState->Cursor.fActive = false; + } + + if (pSVGAState->paGMR) + { + for (unsigned i = 0; i < pThis->svga.cGMR; ++i) + if (pSVGAState->paGMR[i].paDesc) + RTMemFree(pSVGAState->paGMR[i].paDesc); + + RTMemFree(pSVGAState->paGMR); + pSVGAState->paGMR = NULL; + } + + if (RTCritSectIsInitialized(&pSVGAState->CritSectCmdBuf)) + { + RTCritSectEnter(&pSVGAState->CritSectCmdBuf); + for (unsigned i = 0; i < RT_ELEMENTS(pSVGAState->apCmdBufCtxs); ++i) + { + vmsvgaR3CmdBufCtxTerm(pSVGAState->apCmdBufCtxs[i]); + RTMemFree(pSVGAState->apCmdBufCtxs[i]); + pSVGAState->apCmdBufCtxs[i] = NULL; + } + vmsvgaR3CmdBufCtxTerm(&pSVGAState->CmdBufCtxDC); + RTCritSectLeave(&pSVGAState->CritSectCmdBuf); + RTCritSectDelete(&pSVGAState->CritSectCmdBuf); + } +} + +/** + * Constructor for PVMSVGAR3STATE structure. + * + * @returns VBox status code. + * @param pDevIns The PDM device instance. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pSVGAState Pointer to the structure. It is already allocated. + */ +static int vmsvgaR3StateInit(PPDMDEVINS pDevIns, PVGASTATE pThis, PVMSVGAR3STATE pSVGAState) +{ + int rc = VINF_SUCCESS; + + pSVGAState->pDevIns = pDevIns; + + pSVGAState->paGMR = (PGMR)RTMemAllocZ(pThis->svga.cGMR * sizeof(GMR)); + AssertReturn(pSVGAState->paGMR, VERR_NO_MEMORY); + +# ifndef VMSVGA_USE_EMT_HALT_CODE + /* Create semaphore for delaying EMTs wait for the FIFO to stop being busy. */ + rc = RTSemEventMultiCreate(&pSVGAState->hBusyDelayedEmts); + AssertRCReturn(rc, rc); +# endif + + rc = RTCritSectInit(&pSVGAState->CritSectCmdBuf); + AssertRCReturn(rc, rc); + + /* Init screen ids which are constant and allow to use a pointer to aScreens element and know its index. */ + for (uint32_t i = 0; i < RT_ELEMENTS(pSVGAState->aScreens); ++i) + pSVGAState->aScreens[i].idScreen = i; + + vmsvgaR3CmdBufCtxInit(&pSVGAState->CmdBufCtxDC); + + RTListInit(&pSVGAState->MOBLRUList); +# ifdef VBOX_WITH_VMSVGA3D +# ifdef VMSVGA3D_DX + pSVGAState->idDXContextCurrent = SVGA3D_INVALID_ID; +# endif +# endif + return rc; +} + +# ifdef VBOX_WITH_VMSVGA3D +static void vmsvga3dR3Free3dInterfaces(PVGASTATECC pThisCC) +{ + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + + RTMemFree(pSVGAState->pFuncsMap); + pSVGAState->pFuncsMap = NULL; + RTMemFree(pSVGAState->pFuncsGBO); + pSVGAState->pFuncsGBO = NULL; + RTMemFree(pSVGAState->pFuncsDX); + pSVGAState->pFuncsDX = NULL; + RTMemFree(pSVGAState->pFuncsVGPU9); + pSVGAState->pFuncsVGPU9 = NULL; + RTMemFree(pSVGAState->pFuncs3D); + pSVGAState->pFuncs3D = NULL; +} + +/* This structure is used only by vmsvgaR3Init3dInterfaces */ +typedef struct VMSVGA3DINTERFACE +{ + char const *pcszName; + uint32_t cbFuncs; + void **ppvFuncs; +} VMSVGA3DINTERFACE; + +extern VMSVGA3DBACKENDDESC const g_BackendLegacy; +#if defined(VMSVGA3D_DX_BACKEND) +extern VMSVGA3DBACKENDDESC const g_BackendDX; +#endif + +/** + * Initializes the optional host 3D backend interfaces. + * + * @returns VBox status code. + * @param pThisCC The VGA/VMSVGA state for ring-3. + */ +static int vmsvgaR3Init3dInterfaces(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC) +{ +#ifndef VMSVGA3D_DX + RT_NOREF(pThis); +#endif + + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + +#define ENTRY_3D_INTERFACE(a_Name, a_Field) { VMSVGA3D_BACKEND_INTERFACE_NAME_##a_Name, sizeof(VMSVGA3DBACKENDFUNCS##a_Name), (void **)&pSVGAState->a_Field } + VMSVGA3DINTERFACE a3dInterface[] = + { + ENTRY_3D_INTERFACE(3D, pFuncs3D), + ENTRY_3D_INTERFACE(VGPU9, pFuncsVGPU9), + ENTRY_3D_INTERFACE(DX, pFuncsDX), + ENTRY_3D_INTERFACE(MAP, pFuncsMap), + ENTRY_3D_INTERFACE(GBO, pFuncsGBO), + }; +#undef ENTRY_3D_INTERFACE + + VMSVGA3DBACKENDDESC const *pBackend = NULL; +#if defined(VMSVGA3D_DX_BACKEND) + if (pThis->fVMSVGA10) + pBackend = &g_BackendDX; + else +#endif + pBackend = &g_BackendLegacy; + + int rc = VINF_SUCCESS; + for (uint32_t i = 0; i < RT_ELEMENTS(a3dInterface); ++i) + { + VMSVGA3DINTERFACE *p = &a3dInterface[i]; + + int rc2 = pBackend->pfnQueryInterface(pThisCC, p->pcszName, NULL, p->cbFuncs); + if (RT_SUCCESS(rc2)) + { + *p->ppvFuncs = RTMemAllocZ(p->cbFuncs); + AssertBreakStmt(*p->ppvFuncs, rc = VERR_NO_MEMORY); + + pBackend->pfnQueryInterface(pThisCC, p->pcszName, *p->ppvFuncs, p->cbFuncs); + } + } + + if (RT_SUCCESS(rc)) + { + rc = vmsvga3dInit(pDevIns, pThis, pThisCC); + if (RT_SUCCESS(rc)) + return VINF_SUCCESS; + } + + vmsvga3dR3Free3dInterfaces(pThisCC); + return rc; +} +# endif /* VBOX_WITH_VMSVGA3D */ + +/** + * Compute the host capabilities: device and FIFO. + * + * Depends on 3D backend initialization. + * + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + * @param pu32DeviceCaps Device capabilities (SVGA_CAP_*). + * @param pu32DeviceCaps2 Device capabilities (SVGA_CAP2_*). + * @param pu32FIFOCaps FIFO capabilities (SVGA_FIFO_CAPS_*). + */ +static void vmsvgaR3GetCaps(PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t *pu32DeviceCaps, uint32_t *pu32DeviceCaps2, uint32_t *pu32FIFOCaps) +{ +#ifndef VBOX_WITH_VMSVGA3D + RT_NOREF(pThisCC); +#endif + + /* Device caps. */ + *pu32DeviceCaps = SVGA_CAP_GMR + | SVGA_CAP_GMR2 + | SVGA_CAP_CURSOR + | SVGA_CAP_CURSOR_BYPASS + | SVGA_CAP_CURSOR_BYPASS_2 + | SVGA_CAP_EXTENDED_FIFO + | SVGA_CAP_IRQMASK + | SVGA_CAP_PITCHLOCK + | SVGA_CAP_RECT_COPY + | SVGA_CAP_TRACES + | SVGA_CAP_SCREEN_OBJECT_2 + | SVGA_CAP_ALPHA_CURSOR; + + *pu32DeviceCaps |= SVGA_CAP_COMMAND_BUFFERS /* Enable register based command buffer submission. */ + ; + + *pu32DeviceCaps2 = SVGA_CAP2_NONE; + + /* VGPU10 capabilities. */ + if (pThis->fVMSVGA10) + { +# ifdef VBOX_WITH_VMSVGA3D + if (pThisCC->svga.pSvgaR3State->pFuncsGBO) + *pu32DeviceCaps |= SVGA_CAP_GBOBJECTS; /* Enable guest-backed objects and surfaces. */ + if (pThisCC->svga.pSvgaR3State->pFuncsDX) + { + *pu32DeviceCaps |= SVGA_CAP_DX /* DX commands, and command buffers in a mob. */ + | SVGA_CAP_CAP2_REGISTER /* Extended capabilities. */ + ; + + if (*pu32DeviceCaps & SVGA_CAP_CAP2_REGISTER) + *pu32DeviceCaps2 |= SVGA_CAP2_GROW_OTABLE /* "Allow the GrowOTable/DXGrowCOTable commands" */ + | SVGA_CAP2_INTRA_SURFACE_COPY /* "IntraSurfaceCopy command" */ + | SVGA_CAP2_DX2 /* Shader Model 4.1. + * "Allow the DefineGBSurface_v3, WholeSurfaceCopy, WriteZeroSurface, and + * HintZeroSurface commands, and the SVGA_REG_GUEST_DRIVER_ID register." + */ + | SVGA_CAP2_GB_MEMSIZE_2 /* "Allow the SVGA_REG_GBOBJECT_MEM_SIZE_KB register" */ + | SVGA_CAP2_OTABLE_PTDEPTH_2 + | SVGA_CAP2_DX3 /* Shader Model 5. + * DefineGBSurface_v4, etc + */ + ; + } +# endif + } + +# ifdef VBOX_WITH_VMSVGA3D + if (pThisCC->svga.pSvgaR3State->pFuncs3D) + *pu32DeviceCaps |= SVGA_CAP_3D; +# endif + + /* FIFO capabilities. */ + *pu32FIFOCaps = SVGA_FIFO_CAP_FENCE + | SVGA_FIFO_CAP_PITCHLOCK + | SVGA_FIFO_CAP_CURSOR_BYPASS_3 + | SVGA_FIFO_CAP_RESERVE + | SVGA_FIFO_CAP_GMR2 + | SVGA_FIFO_CAP_3D_HWVERSION_REVISED + | SVGA_FIFO_CAP_SCREEN_OBJECT_2; +} + +/** Initialize the FIFO on power on and reset. + * + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + */ +static void vmsvgaR3InitFIFO(PVGASTATE pThis, PVGASTATECC pThisCC) +{ + RT_BZERO(pThisCC->svga.pau32FIFO, pThis->svga.cbFIFO); + + /* Valid with SVGA_FIFO_CAP_SCREEN_OBJECT_2 */ + pThisCC->svga.pau32FIFO[SVGA_FIFO_CURSOR_SCREEN_ID] = SVGA_ID_INVALID; +} + +# ifdef VBOX_WITH_VMSVGA3D +/** + * Initializes the host 3D capabilities and writes them to FIFO memory. + * + * @returns VBox status code. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + */ +static void vmsvgaR3InitFifo3DCaps(PVGASTATE pThis, PVGASTATECC pThisCC) +{ + /* Query the capabilities and store them in the pThis->svga.au32DevCaps array. */ + bool const fSavedBuffering = RTLogRelSetBuffering(true); + + for (unsigned i = 0; i < RT_ELEMENTS(pThis->svga.au32DevCaps); ++i) + { + uint32_t val = 0; + int rc = vmsvga3dQueryCaps(pThisCC, (SVGA3dDevCapIndex)i, &val); + if (RT_SUCCESS(rc)) + pThis->svga.au32DevCaps[i] = val; + else + pThis->svga.au32DevCaps[i] = 0; + + /* LogRel the capability value. */ + if (i < SVGA3D_DEVCAP_MAX) + { + char const *pszDevCapName = &vmsvgaDevCapIndexToString((SVGA3dDevCapIndex)i)[sizeof("SVGA3D_DEVCAP")]; + if (RT_SUCCESS(rc)) + { + if ( i == SVGA3D_DEVCAP_MAX_POINT_SIZE + || i == SVGA3D_DEVCAP_MAX_LINE_WIDTH + || i == SVGA3D_DEVCAP_MAX_AA_LINE_WIDTH) + { + float const fval = *(float *)&val; + LogRel(("VMSVGA3d: cap[%u]=" FLOAT_FMT_STR " {%s}\n", i, FLOAT_FMT_ARGS(fval), pszDevCapName)); + } + else + LogRel(("VMSVGA3d: cap[%u]=%#010x {%s}\n", i, val, pszDevCapName)); + } + else + LogRel(("VMSVGA3d: cap[%u]=failed rc=%Rrc {%s}\n", i, rc, pszDevCapName)); + } + else + LogRel(("VMSVGA3d: new cap[%u]=%#010x rc=%Rrc\n", i, val, rc)); + } + + RTLogRelSetBuffering(fSavedBuffering); + + /* 3d hardware version; latest and greatest */ + pThisCC->svga.pau32FIFO[SVGA_FIFO_3D_HWVERSION_REVISED] = SVGA3D_HWVERSION_CURRENT; + pThisCC->svga.pau32FIFO[SVGA_FIFO_3D_HWVERSION] = SVGA3D_HWVERSION_CURRENT; + + /* Fill out 3d capabilities up to SVGA3D_DEVCAP_SURFACEFMT_ATI2 in the FIFO memory. + * SVGA3D_DEVCAP_SURFACEFMT_ATI2 is the last capabiltiy for pre-SVGA_CAP_GBOBJECTS hardware. + * If the VMSVGA device supports SVGA_CAP_GBOBJECTS capability, then the guest has to use SVGA_REG_DEV_CAP + * register to query the devcaps. Older guests will still try to read the devcaps from FIFO. + */ + SVGA3dCapsRecord *pCaps; + SVGA3dCapPair *pData; + + pCaps = (SVGA3dCapsRecord *)&pThisCC->svga.pau32FIFO[SVGA_FIFO_3D_CAPS]; + pCaps->header.type = SVGA3DCAPS_RECORD_DEVCAPS; + pData = (SVGA3dCapPair *)&pCaps->data; + + AssertCompile(SVGA3D_DEVCAP_DEAD1 == SVGA3D_DEVCAP_SURFACEFMT_ATI2 + 1); + for (unsigned i = 0; i < SVGA3D_DEVCAP_DEAD1; ++i) + { + pData[i][0] = i; + pData[i][1] = pThis->svga.au32DevCaps[i]; + } + pCaps->header.length = (sizeof(pCaps->header) + SVGA3D_DEVCAP_DEAD1 * sizeof(SVGA3dCapPair)) / sizeof(uint32_t); + pCaps = (SVGA3dCapsRecord *)((uint32_t *)pCaps + pCaps->header.length); + + /* Mark end of record array (a zero word). */ + pCaps->header.length = 0; +} + +# endif + +/** + * Resets the SVGA hardware state + * + * @returns VBox status code. + * @param pDevIns The device instance. + */ +int vmsvgaR3Reset(PPDMDEVINS pDevIns) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + + /* Reset before init? */ + if (!pSVGAState) + return VINF_SUCCESS; + + Log(("vmsvgaR3Reset\n")); + + /* Reset the FIFO processing as well as the 3d state (if we have one). */ + pThisCC->svga.pau32FIFO[SVGA_FIFO_NEXT_CMD] = pThisCC->svga.pau32FIFO[SVGA_FIFO_STOP] = 0; /** @todo should probably let the FIFO thread do this ... */ + + PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); /* Hack around lock order issue. FIFO thread might take the lock. */ + + int rc = vmsvgaR3RunExtCmdOnFifoThread(pDevIns, pThis, pThisCC, VMSVGA_FIFO_EXTCMD_RESET, NULL /*pvParam*/, 60000 /*ms*/); + AssertLogRelRC(rc); + + int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_IGNORED); + PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); + + /* Reset other stuff. */ + pThis->svga.cScratchRegion = VMSVGA_SCRATCH_SIZE; + RT_ZERO(pThis->svga.au32ScratchRegion); + + ASMAtomicWriteBool(&pThis->svga.fBadGuest, false); + + vmsvgaR3StateTerm(pThis, pThisCC); + vmsvgaR3StateInit(pDevIns, pThis, pThisCC->svga.pSvgaR3State); + + RT_BZERO(pThisCC->svga.pbVgaFrameBufferR3, VMSVGA_VGA_FB_BACKUP_SIZE); + + vmsvgaR3InitFIFO(pThis, pThisCC); + + /* Initialize FIFO and register capabilities. */ + vmsvgaR3GetCaps(pThis, pThisCC, &pThis->svga.u32DeviceCaps, &pThis->svga.u32DeviceCaps2, &pThisCC->svga.pau32FIFO[SVGA_FIFO_CAPABILITIES]); + +# ifdef VBOX_WITH_VMSVGA3D + if (pThis->svga.f3DEnabled) + vmsvgaR3InitFifo3DCaps(pThis, pThisCC); +# endif + + /* VRAM tracking is enabled by default during bootup. */ + pThis->svga.fVRAMTracking = true; + pThis->svga.fEnabled = false; + + /* Invalidate current settings. */ + pThis->svga.uWidth = VMSVGA_VAL_UNINITIALIZED; + pThis->svga.uHeight = VMSVGA_VAL_UNINITIALIZED; + pThis->svga.uBpp = pThis->svga.uHostBpp; + pThis->svga.cbScanline = 0; + pThis->svga.u32PitchLock = 0; + + return rc; +} + +/** + * Cleans up the SVGA hardware state + * + * @returns VBox status code. + * @param pDevIns The device instance. + */ +int vmsvgaR3Destruct(PPDMDEVINS pDevIns) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + + /* + * Ask the FIFO thread to terminate the 3d state and then terminate it. + */ + if (pThisCC->svga.pFIFOIOThread) + { + int rc = vmsvgaR3RunExtCmdOnFifoThread(pDevIns, pThis, pThisCC, VMSVGA_FIFO_EXTCMD_TERMINATE, + NULL /*pvParam*/, 30000 /*ms*/); + AssertLogRelRC(rc); + + rc = PDMDevHlpThreadDestroy(pDevIns, pThisCC->svga.pFIFOIOThread, NULL); + AssertLogRelRC(rc); + pThisCC->svga.pFIFOIOThread = NULL; + } + + /* + * Destroy the special SVGA state. + */ + if (pThisCC->svga.pSvgaR3State) + { + vmsvgaR3StateTerm(pThis, pThisCC); + +# ifdef VBOX_WITH_VMSVGA3D + vmsvga3dR3Free3dInterfaces(pThisCC); +# endif + + RTMemFree(pThisCC->svga.pSvgaR3State); + pThisCC->svga.pSvgaR3State = NULL; + } + + /* + * Free our resources residing in the VGA state. + */ + if (pThisCC->svga.pbVgaFrameBufferR3) + { + RTMemFree(pThisCC->svga.pbVgaFrameBufferR3); + pThisCC->svga.pbVgaFrameBufferR3 = NULL; + } + if (pThisCC->svga.hFIFOExtCmdSem != NIL_RTSEMEVENT) + { + RTSemEventDestroy(pThisCC->svga.hFIFOExtCmdSem); + pThisCC->svga.hFIFOExtCmdSem = NIL_RTSEMEVENT; + } + if (pThis->svga.hFIFORequestSem != NIL_SUPSEMEVENT) + { + PDMDevHlpSUPSemEventClose(pDevIns, pThis->svga.hFIFORequestSem); + pThis->svga.hFIFORequestSem = NIL_SUPSEMEVENT; + } + + return VINF_SUCCESS; +} + +static DECLCALLBACK(size_t) vmsvga3dFloatFormat(PFNRTSTROUTPUT pfnOutput, void *pvArgOutput, + const char *pszType, void const *pvValue, + int cchWidth, int cchPrecision, unsigned fFlags, void *pvUser) +{ + RT_NOREF(pszType, cchWidth, cchPrecision, fFlags, pvUser); + double const v = *(double *)&pvValue; + return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, FLOAT_FMT_STR, FLOAT_FMT_ARGS(v)); +} + +/** + * Initialize the SVGA hardware state + * + * @returns VBox status code. + * @param pDevIns The device instance. + */ +int vmsvgaR3Init(PPDMDEVINS pDevIns) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + PVMSVGAR3STATE pSVGAState; + int rc; + + rc = RTStrFormatTypeRegister("float", vmsvga3dFloatFormat, NULL); + AssertMsgReturn(RT_SUCCESS(rc) || rc == VERR_ALREADY_EXISTS, ("%Rrc\n", rc), rc); + + pThis->svga.cScratchRegion = VMSVGA_SCRATCH_SIZE; + memset(pThis->svga.au32ScratchRegion, 0, sizeof(pThis->svga.au32ScratchRegion)); + + pThis->svga.cGMR = VMSVGA_MAX_GMR_IDS; + + /* Necessary for creating a backup of the text mode frame buffer when switching into svga mode. */ + pThisCC->svga.pbVgaFrameBufferR3 = (uint8_t *)RTMemAllocZ(VMSVGA_VGA_FB_BACKUP_SIZE); + AssertReturn(pThisCC->svga.pbVgaFrameBufferR3, VERR_NO_MEMORY); + + /* Create event semaphore. */ + rc = PDMDevHlpSUPSemEventCreate(pDevIns, &pThis->svga.hFIFORequestSem); + AssertRCReturn(rc, rc); + + /* Create event semaphore. */ + rc = RTSemEventCreate(&pThisCC->svga.hFIFOExtCmdSem); + AssertRCReturn(rc, rc); + + pThisCC->svga.pSvgaR3State = (PVMSVGAR3STATE)RTMemAllocZ(sizeof(VMSVGAR3STATE)); + AssertReturn(pThisCC->svga.pSvgaR3State, VERR_NO_MEMORY); + + rc = vmsvgaR3StateInit(pDevIns, pThis, pThisCC->svga.pSvgaR3State); + AssertMsgRCReturn(rc, ("Failed to create pSvgaR3State.\n"), rc); + + pSVGAState = pThisCC->svga.pSvgaR3State; + + /* VRAM tracking is enabled by default during bootup. */ + pThis->svga.fVRAMTracking = true; + + /* Set up the host bpp. This value is as a default for the programmable + * bpp value. On old implementations, SVGA_REG_HOST_BITS_PER_PIXEL did not + * exist and SVGA_REG_BITS_PER_PIXEL was read-only, returning what was later + * separated as SVGA_REG_HOST_BITS_PER_PIXEL. + * + * NB: The driver cBits value is currently constant for the lifetime of the + * VM. If that changes, the host bpp logic might need revisiting. + */ + pThis->svga.uHostBpp = (pThisCC->pDrv->cBits + 7) & ~7; + + /* Invalidate current settings. */ + pThis->svga.uWidth = VMSVGA_VAL_UNINITIALIZED; + pThis->svga.uHeight = VMSVGA_VAL_UNINITIALIZED; + pThis->svga.uBpp = pThis->svga.uHostBpp; + pThis->svga.cbScanline = 0; + + pThis->svga.u32MaxWidth = VBE_DISPI_MAX_XRES; + pThis->svga.u32MaxHeight = VBE_DISPI_MAX_YRES; + while (pThis->svga.u32MaxWidth * pThis->svga.u32MaxHeight * 4 /* 32 bpp */ > pThis->vram_size) + { + pThis->svga.u32MaxWidth -= 256; + pThis->svga.u32MaxHeight -= 256; + } + Log(("VMSVGA: Maximum size (%d,%d)\n", pThis->svga.u32MaxWidth, pThis->svga.u32MaxHeight)); + +# ifdef DEBUG_GMR_ACCESS + /* Register the GMR access handler type. */ + rc = PDMDevHlpPGMHandlerPhysicalTypeRegister(pDevIns, PGMPHYSHANDLERKIND_WRITE, vmsvgaR3GmrAccessHandler, + "VMSVGA GMR", &pThis->svga.hGmrAccessHandlerType); + AssertRCReturn(rc, rc); +# endif + +# if defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) || defined(DEBUG_FIFO_ACCESS) + /* Register the FIFO access handler type. In addition to debugging FIFO + access, this is also used to facilitate extended fifo thread sleeps. */ + rc = PDMDevHlpPGMHandlerPhysicalTypeRegister(pDevIns, +# ifdef DEBUG_FIFO_ACCESS + PGMPHYSHANDLERKIND_ALL, +# else + PGMPHYSHANDLERKIND_WRITE, +# endif + vmsvgaR3FifoAccessHandler, + "VMSVGA FIFO", &pThis->svga.hFifoAccessHandlerType); + AssertRCReturn(rc, rc); +# endif + + /* Create the async IO thread. */ + rc = PDMDevHlpThreadCreate(pDevIns, &pThisCC->svga.pFIFOIOThread, pThis, vmsvgaR3FifoLoop, vmsvgaR3FifoLoopWakeUp, 0, + RTTHREADTYPE_IO, "VMSVGA FIFO"); + if (RT_FAILURE(rc)) + { + AssertMsgFailed(("%s: Async IO Thread creation for FIFO handling failed rc=%d\n", __FUNCTION__, rc)); + return rc; + } + + /* + * Statistics. + */ +# define REG_CNT(a_pvSample, a_pszName, a_pszDesc) \ + PDMDevHlpSTAMRegister(pDevIns, (a_pvSample), STAMTYPE_COUNTER, a_pszName, STAMUNIT_OCCURENCES, a_pszDesc) +# define REG_PRF(a_pvSample, a_pszName, a_pszDesc) \ + PDMDevHlpSTAMRegister(pDevIns, (a_pvSample), STAMTYPE_PROFILE, a_pszName, STAMUNIT_TICKS_PER_CALL, a_pszDesc) +# ifdef VBOX_WITH_STATISTICS + REG_PRF(&pSVGAState->StatR3Cmd3dDrawPrimitivesProf, "VMSVGA/Cmd/3dDrawPrimitivesProf", "Profiling of SVGA_3D_CMD_DRAW_PRIMITIVES."); + REG_PRF(&pSVGAState->StatR3Cmd3dPresentProf, "VMSVGA/Cmd/3dPresentProfBoth", "Profiling of SVGA_3D_CMD_PRESENT and SVGA_3D_CMD_PRESENT_READBACK."); + REG_PRF(&pSVGAState->StatR3Cmd3dSurfaceDmaProf, "VMSVGA/Cmd/3dSurfaceDmaProf", "Profiling of SVGA_3D_CMD_SURFACE_DMA."); +# endif + REG_PRF(&pSVGAState->StatR3Cmd3dBlitSurfaceToScreenProf, "VMSVGA/Cmd/3dBlitSurfaceToScreenProf", "Profiling of SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN."); + REG_CNT(&pSVGAState->StatR3Cmd3dActivateSurface, "VMSVGA/Cmd/3dActivateSurface", "SVGA_3D_CMD_ACTIVATE_SURFACE"); + REG_CNT(&pSVGAState->StatR3Cmd3dBeginQuery, "VMSVGA/Cmd/3dBeginQuery", "SVGA_3D_CMD_BEGIN_QUERY"); + REG_CNT(&pSVGAState->StatR3Cmd3dClear, "VMSVGA/Cmd/3dClear", "SVGA_3D_CMD_CLEAR"); + REG_CNT(&pSVGAState->StatR3Cmd3dContextDefine, "VMSVGA/Cmd/3dContextDefine", "SVGA_3D_CMD_CONTEXT_DEFINE"); + REG_CNT(&pSVGAState->StatR3Cmd3dContextDestroy, "VMSVGA/Cmd/3dContextDestroy", "SVGA_3D_CMD_CONTEXT_DESTROY"); + REG_CNT(&pSVGAState->StatR3Cmd3dDeactivateSurface, "VMSVGA/Cmd/3dDeactivateSurface", "SVGA_3D_CMD_DEACTIVATE_SURFACE"); + REG_CNT(&pSVGAState->StatR3Cmd3dDrawPrimitives, "VMSVGA/Cmd/3dDrawPrimitives", "SVGA_3D_CMD_DRAW_PRIMITIVES"); + REG_CNT(&pSVGAState->StatR3Cmd3dEndQuery, "VMSVGA/Cmd/3dEndQuery", "SVGA_3D_CMD_END_QUERY"); + REG_CNT(&pSVGAState->StatR3Cmd3dGenerateMipmaps, "VMSVGA/Cmd/3dGenerateMipmaps", "SVGA_3D_CMD_GENERATE_MIPMAPS"); + REG_CNT(&pSVGAState->StatR3Cmd3dPresent, "VMSVGA/Cmd/3dPresent", "SVGA_3D_CMD_PRESENT"); + REG_CNT(&pSVGAState->StatR3Cmd3dPresentReadBack, "VMSVGA/Cmd/3dPresentReadBack", "SVGA_3D_CMD_PRESENT_READBACK"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetClipPlane, "VMSVGA/Cmd/3dSetClipPlane", "SVGA_3D_CMD_SETCLIPPLANE"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetLightData, "VMSVGA/Cmd/3dSetLightData", "SVGA_3D_CMD_SETLIGHTDATA"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetLightEnable, "VMSVGA/Cmd/3dSetLightEnable", "SVGA_3D_CMD_SETLIGHTENABLE"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetMaterial, "VMSVGA/Cmd/3dSetMaterial", "SVGA_3D_CMD_SETMATERIAL"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetRenderState, "VMSVGA/Cmd/3dSetRenderState", "SVGA_3D_CMD_SETRENDERSTATE"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetRenderTarget, "VMSVGA/Cmd/3dSetRenderTarget", "SVGA_3D_CMD_SETRENDERTARGET"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetScissorRect, "VMSVGA/Cmd/3dSetScissorRect", "SVGA_3D_CMD_SETSCISSORRECT"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetShader, "VMSVGA/Cmd/3dSetShader", "SVGA_3D_CMD_SET_SHADER"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetShaderConst, "VMSVGA/Cmd/3dSetShaderConst", "SVGA_3D_CMD_SET_SHADER_CONST"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetTextureState, "VMSVGA/Cmd/3dSetTextureState", "SVGA_3D_CMD_SETTEXTURESTATE"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetTransform, "VMSVGA/Cmd/3dSetTransform", "SVGA_3D_CMD_SETTRANSFORM"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetViewPort, "VMSVGA/Cmd/3dSetViewPort", "SVGA_3D_CMD_SETVIEWPORT"); + REG_CNT(&pSVGAState->StatR3Cmd3dSetZRange, "VMSVGA/Cmd/3dSetZRange", "SVGA_3D_CMD_SETZRANGE"); + REG_CNT(&pSVGAState->StatR3Cmd3dShaderDefine, "VMSVGA/Cmd/3dShaderDefine", "SVGA_3D_CMD_SHADER_DEFINE"); + REG_CNT(&pSVGAState->StatR3Cmd3dShaderDestroy, "VMSVGA/Cmd/3dShaderDestroy", "SVGA_3D_CMD_SHADER_DESTROY"); + REG_CNT(&pSVGAState->StatR3Cmd3dSurfaceCopy, "VMSVGA/Cmd/3dSurfaceCopy", "SVGA_3D_CMD_SURFACE_COPY"); + REG_CNT(&pSVGAState->StatR3Cmd3dSurfaceDefine, "VMSVGA/Cmd/3dSurfaceDefine", "SVGA_3D_CMD_SURFACE_DEFINE"); + REG_CNT(&pSVGAState->StatR3Cmd3dSurfaceDefineV2, "VMSVGA/Cmd/3dSurfaceDefineV2", "SVGA_3D_CMD_SURFACE_DEFINE_V2"); + REG_CNT(&pSVGAState->StatR3Cmd3dSurfaceDestroy, "VMSVGA/Cmd/3dSurfaceDestroy", "SVGA_3D_CMD_SURFACE_DESTROY"); + REG_CNT(&pSVGAState->StatR3Cmd3dSurfaceDma, "VMSVGA/Cmd/3dSurfaceDma", "SVGA_3D_CMD_SURFACE_DMA"); + REG_CNT(&pSVGAState->StatR3Cmd3dSurfaceScreen, "VMSVGA/Cmd/3dSurfaceScreen", "SVGA_3D_CMD_SURFACE_SCREEN"); + REG_CNT(&pSVGAState->StatR3Cmd3dSurfaceStretchBlt, "VMSVGA/Cmd/3dSurfaceStretchBlt", "SVGA_3D_CMD_SURFACE_STRETCHBLT"); + REG_CNT(&pSVGAState->StatR3Cmd3dWaitForQuery, "VMSVGA/Cmd/3dWaitForQuery", "SVGA_3D_CMD_WAIT_FOR_QUERY"); + REG_CNT(&pSVGAState->StatR3CmdAnnotationCopy, "VMSVGA/Cmd/AnnotationCopy", "SVGA_CMD_ANNOTATION_COPY"); + REG_CNT(&pSVGAState->StatR3CmdAnnotationFill, "VMSVGA/Cmd/AnnotationFill", "SVGA_CMD_ANNOTATION_FILL"); + REG_CNT(&pSVGAState->StatR3CmdBlitGmrFbToScreen, "VMSVGA/Cmd/BlitGmrFbToScreen", "SVGA_CMD_BLIT_GMRFB_TO_SCREEN"); + REG_CNT(&pSVGAState->StatR3CmdBlitScreentoGmrFb, "VMSVGA/Cmd/BlitScreentoGmrFb", "SVGA_CMD_BLIT_SCREEN_TO_GMRFB"); + REG_CNT(&pSVGAState->StatR3CmdDefineAlphaCursor, "VMSVGA/Cmd/DefineAlphaCursor", "SVGA_CMD_DEFINE_ALPHA_CURSOR"); + REG_CNT(&pSVGAState->StatR3CmdDefineCursor, "VMSVGA/Cmd/DefineCursor", "SVGA_CMD_DEFINE_CURSOR"); + REG_CNT(&pSVGAState->StatR3CmdMoveCursor, "VMSVGA/Cmd/MoveCursor", "SVGA_CMD_MOVE_CURSOR"); + REG_CNT(&pSVGAState->StatR3CmdDisplayCursor, "VMSVGA/Cmd/DisplayCursor", "SVGA_CMD_DISPLAY_CURSOR"); + REG_CNT(&pSVGAState->StatR3CmdRectFill, "VMSVGA/Cmd/RectFill", "SVGA_CMD_RECT_FILL"); + REG_CNT(&pSVGAState->StatR3CmdRectCopy, "VMSVGA/Cmd/RectCopy", "SVGA_CMD_RECT_COPY"); + REG_CNT(&pSVGAState->StatR3CmdRectRopCopy, "VMSVGA/Cmd/RectRopCopy", "SVGA_CMD_RECT_ROP_COPY"); + REG_CNT(&pSVGAState->StatR3CmdDefineGmr2, "VMSVGA/Cmd/DefineGmr2", "SVGA_CMD_DEFINE_GMR2"); + REG_CNT(&pSVGAState->StatR3CmdDefineGmr2Free, "VMSVGA/Cmd/DefineGmr2/Free", "Number of SVGA_CMD_DEFINE_GMR2 commands that only frees."); + REG_CNT(&pSVGAState->StatR3CmdDefineGmr2Modify, "VMSVGA/Cmd/DefineGmr2/Modify", "Number of SVGA_CMD_DEFINE_GMR2 commands that redefines a non-free GMR."); + REG_CNT(&pSVGAState->StatR3CmdDefineGmrFb, "VMSVGA/Cmd/DefineGmrFb", "SVGA_CMD_DEFINE_GMRFB"); + REG_CNT(&pSVGAState->StatR3CmdDefineScreen, "VMSVGA/Cmd/DefineScreen", "SVGA_CMD_DEFINE_SCREEN"); + REG_CNT(&pSVGAState->StatR3CmdDestroyScreen, "VMSVGA/Cmd/DestroyScreen", "SVGA_CMD_DESTROY_SCREEN"); + REG_CNT(&pSVGAState->StatR3CmdEscape, "VMSVGA/Cmd/Escape", "SVGA_CMD_ESCAPE"); + REG_CNT(&pSVGAState->StatR3CmdFence, "VMSVGA/Cmd/Fence", "SVGA_CMD_FENCE"); + REG_CNT(&pSVGAState->StatR3CmdInvalidCmd, "VMSVGA/Cmd/InvalidCmd", "SVGA_CMD_INVALID_CMD"); + REG_CNT(&pSVGAState->StatR3CmdRemapGmr2, "VMSVGA/Cmd/RemapGmr2", "SVGA_CMD_REMAP_GMR2"); + REG_CNT(&pSVGAState->StatR3CmdRemapGmr2Modify, "VMSVGA/Cmd/RemapGmr2/Modify", "Number of SVGA_CMD_REMAP_GMR2 commands that modifies rather than complete the definition of a GMR."); + REG_CNT(&pSVGAState->StatR3CmdUpdate, "VMSVGA/Cmd/Update", "SVGA_CMD_UPDATE"); + REG_CNT(&pSVGAState->StatR3CmdUpdateVerbose, "VMSVGA/Cmd/UpdateVerbose", "SVGA_CMD_UPDATE_VERBOSE"); + + REG_CNT(&pSVGAState->StatR3RegConfigDoneWr, "VMSVGA/Reg/ConfigDoneWrite", "SVGA_REG_CONFIG_DONE writes"); + REG_CNT(&pSVGAState->StatR3RegGmrDescriptorWr, "VMSVGA/Reg/GmrDescriptorWrite", "SVGA_REG_GMR_DESCRIPTOR writes"); + REG_CNT(&pSVGAState->StatR3RegGmrDescriptorWrErrors, "VMSVGA/Reg/GmrDescriptorWrite/Errors", "Number of erroneous SVGA_REG_GMR_DESCRIPTOR commands."); + REG_CNT(&pSVGAState->StatR3RegGmrDescriptorWrFree, "VMSVGA/Reg/GmrDescriptorWrite/Free", "Number of SVGA_REG_GMR_DESCRIPTOR commands only freeing the GMR."); + REG_CNT(&pThis->svga.StatRegBitsPerPixelWr, "VMSVGA/Reg/BitsPerPixelWrite", "SVGA_REG_BITS_PER_PIXEL writes."); + REG_CNT(&pThis->svga.StatRegBusyWr, "VMSVGA/Reg/BusyWrite", "SVGA_REG_BUSY writes."); + REG_CNT(&pThis->svga.StatRegCursorXWr, "VMSVGA/Reg/CursorXWrite", "SVGA_REG_CURSOR_X writes."); + REG_CNT(&pThis->svga.StatRegCursorYWr, "VMSVGA/Reg/CursorYWrite", "SVGA_REG_CURSOR_Y writes."); + REG_CNT(&pThis->svga.StatRegCursorIdWr, "VMSVGA/Reg/CursorIdWrite", "SVGA_REG_DEAD (SVGA_REG_CURSOR_ID) writes."); + REG_CNT(&pThis->svga.StatRegCursorOnWr, "VMSVGA/Reg/CursorOnWrite", "SVGA_REG_CURSOR_ON writes."); + REG_CNT(&pThis->svga.StatRegDepthWr, "VMSVGA/Reg/DepthWrite", "SVGA_REG_DEPTH writes."); + REG_CNT(&pThis->svga.StatRegDisplayHeightWr, "VMSVGA/Reg/DisplayHeightWrite", "SVGA_REG_DISPLAY_HEIGHT writes."); + REG_CNT(&pThis->svga.StatRegDisplayIdWr, "VMSVGA/Reg/DisplayIdWrite", "SVGA_REG_DISPLAY_ID writes."); + REG_CNT(&pThis->svga.StatRegDisplayIsPrimaryWr, "VMSVGA/Reg/DisplayIsPrimaryWrite", "SVGA_REG_DISPLAY_IS_PRIMARY writes."); + REG_CNT(&pThis->svga.StatRegDisplayPositionXWr, "VMSVGA/Reg/DisplayPositionXWrite", "SVGA_REG_DISPLAY_POSITION_X writes."); + REG_CNT(&pThis->svga.StatRegDisplayPositionYWr, "VMSVGA/Reg/DisplayPositionYWrite", "SVGA_REG_DISPLAY_POSITION_Y writes."); + REG_CNT(&pThis->svga.StatRegDisplayWidthWr, "VMSVGA/Reg/DisplayWidthWrite", "SVGA_REG_DISPLAY_WIDTH writes."); + REG_CNT(&pThis->svga.StatRegEnableWr, "VMSVGA/Reg/EnableWrite", "SVGA_REG_ENABLE writes."); + REG_CNT(&pThis->svga.StatRegGmrIdWr, "VMSVGA/Reg/GmrIdWrite", "SVGA_REG_GMR_ID writes."); + REG_CNT(&pThis->svga.StatRegGuestIdWr, "VMSVGA/Reg/GuestIdWrite", "SVGA_REG_GUEST_ID writes."); + REG_CNT(&pThis->svga.StatRegHeightWr, "VMSVGA/Reg/HeightWrite", "SVGA_REG_HEIGHT writes."); + REG_CNT(&pThis->svga.StatRegIdWr, "VMSVGA/Reg/IdWrite", "SVGA_REG_ID writes."); + REG_CNT(&pThis->svga.StatRegIrqMaskWr, "VMSVGA/Reg/IrqMaskWrite", "SVGA_REG_IRQMASK writes."); + REG_CNT(&pThis->svga.StatRegNumDisplaysWr, "VMSVGA/Reg/NumDisplaysWrite", "SVGA_REG_NUM_DISPLAYS writes."); + REG_CNT(&pThis->svga.StatRegNumGuestDisplaysWr, "VMSVGA/Reg/NumGuestDisplaysWrite", "SVGA_REG_NUM_GUEST_DISPLAYS writes."); + REG_CNT(&pThis->svga.StatRegPaletteWr, "VMSVGA/Reg/PaletteWrite", "SVGA_PALETTE_XXXX writes."); + REG_CNT(&pThis->svga.StatRegPitchLockWr, "VMSVGA/Reg/PitchLockWrite", "SVGA_REG_PITCHLOCK writes."); + REG_CNT(&pThis->svga.StatRegPseudoColorWr, "VMSVGA/Reg/PseudoColorWrite", "SVGA_REG_PSEUDOCOLOR writes."); + REG_CNT(&pThis->svga.StatRegReadOnlyWr, "VMSVGA/Reg/ReadOnlyWrite", "Read-only SVGA_REG_XXXX writes."); + REG_CNT(&pThis->svga.StatRegScratchWr, "VMSVGA/Reg/ScratchWrite", "SVGA_REG_SCRATCH_XXXX writes."); + REG_CNT(&pThis->svga.StatRegSyncWr, "VMSVGA/Reg/SyncWrite", "SVGA_REG_SYNC writes."); + REG_CNT(&pThis->svga.StatRegTopWr, "VMSVGA/Reg/TopWrite", "SVGA_REG_TOP writes."); + REG_CNT(&pThis->svga.StatRegTracesWr, "VMSVGA/Reg/TracesWrite", "SVGA_REG_TRACES writes."); + REG_CNT(&pThis->svga.StatRegUnknownWr, "VMSVGA/Reg/UnknownWrite", "Writes to unknown register."); + REG_CNT(&pThis->svga.StatRegWidthWr, "VMSVGA/Reg/WidthWrite", "SVGA_REG_WIDTH writes."); + REG_CNT(&pThis->svga.StatRegCommandLowWr, "VMSVGA/Reg/CommandLowWrite", "SVGA_REG_COMMAND_LOW writes."); + REG_CNT(&pThis->svga.StatRegCommandHighWr, "VMSVGA/Reg/CommandHighWrite", "SVGA_REG_COMMAND_HIGH writes."); + REG_CNT(&pThis->svga.StatRegDevCapWr, "VMSVGA/Reg/DevCapWrite", "SVGA_REG_DEV_CAP writes."); + REG_CNT(&pThis->svga.StatRegCmdPrependLowWr, "VMSVGA/Reg/CmdPrependLowWrite", "SVGA_REG_CMD_PREPEND_LOW writes."); + REG_CNT(&pThis->svga.StatRegCmdPrependHighWr, "VMSVGA/Reg/CmdPrependHighWrite", "SVGA_REG_CMD_PREPEND_HIGH writes."); + + REG_CNT(&pThis->svga.StatRegBitsPerPixelRd, "VMSVGA/Reg/BitsPerPixelRead", "SVGA_REG_BITS_PER_PIXEL reads."); + REG_CNT(&pThis->svga.StatRegBlueMaskRd, "VMSVGA/Reg/BlueMaskRead", "SVGA_REG_BLUE_MASK reads."); + REG_CNT(&pThis->svga.StatRegBusyRd, "VMSVGA/Reg/BusyRead", "SVGA_REG_BUSY reads."); + REG_CNT(&pThis->svga.StatRegBytesPerLineRd, "VMSVGA/Reg/BytesPerLineRead", "SVGA_REG_BYTES_PER_LINE reads."); + REG_CNT(&pThis->svga.StatRegCapabilitesRd, "VMSVGA/Reg/CapabilitesRead", "SVGA_REG_CAPABILITIES reads."); + REG_CNT(&pThis->svga.StatRegConfigDoneRd, "VMSVGA/Reg/ConfigDoneRead", "SVGA_REG_CONFIG_DONE reads."); + REG_CNT(&pThis->svga.StatRegCursorXRd, "VMSVGA/Reg/CursorXRead", "SVGA_REG_CURSOR_X reads."); + REG_CNT(&pThis->svga.StatRegCursorYRd, "VMSVGA/Reg/CursorYRead", "SVGA_REG_CURSOR_Y reads."); + REG_CNT(&pThis->svga.StatRegCursorIdRd, "VMSVGA/Reg/CursorIdRead", "SVGA_REG_DEAD (SVGA_REG_CURSOR_ID) reads."); + REG_CNT(&pThis->svga.StatRegCursorOnRd, "VMSVGA/Reg/CursorOnRead", "SVGA_REG_CURSOR_ON reads."); + REG_CNT(&pThis->svga.StatRegDepthRd, "VMSVGA/Reg/DepthRead", "SVGA_REG_DEPTH reads."); + REG_CNT(&pThis->svga.StatRegDisplayHeightRd, "VMSVGA/Reg/DisplayHeightRead", "SVGA_REG_DISPLAY_HEIGHT reads."); + REG_CNT(&pThis->svga.StatRegDisplayIdRd, "VMSVGA/Reg/DisplayIdRead", "SVGA_REG_DISPLAY_ID reads."); + REG_CNT(&pThis->svga.StatRegDisplayIsPrimaryRd, "VMSVGA/Reg/DisplayIsPrimaryRead", "SVGA_REG_DISPLAY_IS_PRIMARY reads."); + REG_CNT(&pThis->svga.StatRegDisplayPositionXRd, "VMSVGA/Reg/DisplayPositionXRead", "SVGA_REG_DISPLAY_POSITION_X reads."); + REG_CNT(&pThis->svga.StatRegDisplayPositionYRd, "VMSVGA/Reg/DisplayPositionYRead", "SVGA_REG_DISPLAY_POSITION_Y reads."); + REG_CNT(&pThis->svga.StatRegDisplayWidthRd, "VMSVGA/Reg/DisplayWidthRead", "SVGA_REG_DISPLAY_WIDTH reads."); + REG_CNT(&pThis->svga.StatRegEnableRd, "VMSVGA/Reg/EnableRead", "SVGA_REG_ENABLE reads."); + REG_CNT(&pThis->svga.StatRegFbOffsetRd, "VMSVGA/Reg/FbOffsetRead", "SVGA_REG_FB_OFFSET reads."); + REG_CNT(&pThis->svga.StatRegFbSizeRd, "VMSVGA/Reg/FbSizeRead", "SVGA_REG_FB_SIZE reads."); + REG_CNT(&pThis->svga.StatRegFbStartRd, "VMSVGA/Reg/FbStartRead", "SVGA_REG_FB_START reads."); + REG_CNT(&pThis->svga.StatRegGmrIdRd, "VMSVGA/Reg/GmrIdRead", "SVGA_REG_GMR_ID reads."); + REG_CNT(&pThis->svga.StatRegGmrMaxDescriptorLengthRd, "VMSVGA/Reg/GmrMaxDescriptorLengthRead", "SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH reads."); + REG_CNT(&pThis->svga.StatRegGmrMaxIdsRd, "VMSVGA/Reg/GmrMaxIdsRead", "SVGA_REG_GMR_MAX_IDS reads."); + REG_CNT(&pThis->svga.StatRegGmrsMaxPagesRd, "VMSVGA/Reg/GmrsMaxPagesRead", "SVGA_REG_GMRS_MAX_PAGES reads."); + REG_CNT(&pThis->svga.StatRegGreenMaskRd, "VMSVGA/Reg/GreenMaskRead", "SVGA_REG_GREEN_MASK reads."); + REG_CNT(&pThis->svga.StatRegGuestIdRd, "VMSVGA/Reg/GuestIdRead", "SVGA_REG_GUEST_ID reads."); + REG_CNT(&pThis->svga.StatRegHeightRd, "VMSVGA/Reg/HeightRead", "SVGA_REG_HEIGHT reads."); + REG_CNT(&pThis->svga.StatRegHostBitsPerPixelRd, "VMSVGA/Reg/HostBitsPerPixelRead", "SVGA_REG_HOST_BITS_PER_PIXEL reads."); + REG_CNT(&pThis->svga.StatRegIdRd, "VMSVGA/Reg/IdRead", "SVGA_REG_ID reads."); + REG_CNT(&pThis->svga.StatRegIrqMaskRd, "VMSVGA/Reg/IrqMaskRead", "SVGA_REG_IRQ_MASK reads."); + REG_CNT(&pThis->svga.StatRegMaxHeightRd, "VMSVGA/Reg/MaxHeightRead", "SVGA_REG_MAX_HEIGHT reads."); + REG_CNT(&pThis->svga.StatRegMaxWidthRd, "VMSVGA/Reg/MaxWidthRead", "SVGA_REG_MAX_WIDTH reads."); + REG_CNT(&pThis->svga.StatRegMemorySizeRd, "VMSVGA/Reg/MemorySizeRead", "SVGA_REG_MEMORY_SIZE reads."); + REG_CNT(&pThis->svga.StatRegMemRegsRd, "VMSVGA/Reg/MemRegsRead", "SVGA_REG_MEM_REGS reads."); + REG_CNT(&pThis->svga.StatRegMemSizeRd, "VMSVGA/Reg/MemSizeRead", "SVGA_REG_MEM_SIZE reads."); + REG_CNT(&pThis->svga.StatRegMemStartRd, "VMSVGA/Reg/MemStartRead", "SVGA_REG_MEM_START reads."); + REG_CNT(&pThis->svga.StatRegNumDisplaysRd, "VMSVGA/Reg/NumDisplaysRead", "SVGA_REG_NUM_DISPLAYS reads."); + REG_CNT(&pThis->svga.StatRegNumGuestDisplaysRd, "VMSVGA/Reg/NumGuestDisplaysRead", "SVGA_REG_NUM_GUEST_DISPLAYS reads."); + REG_CNT(&pThis->svga.StatRegPaletteRd, "VMSVGA/Reg/PaletteRead", "SVGA_REG_PLAETTE_XXXX reads."); + REG_CNT(&pThis->svga.StatRegPitchLockRd, "VMSVGA/Reg/PitchLockRead", "SVGA_REG_PITCHLOCK reads."); + REG_CNT(&pThis->svga.StatRegPsuedoColorRd, "VMSVGA/Reg/PsuedoColorRead", "SVGA_REG_PSEUDOCOLOR reads."); + REG_CNT(&pThis->svga.StatRegRedMaskRd, "VMSVGA/Reg/RedMaskRead", "SVGA_REG_RED_MASK reads."); + REG_CNT(&pThis->svga.StatRegScratchRd, "VMSVGA/Reg/ScratchRead", "SVGA_REG_SCRATCH reads."); + REG_CNT(&pThis->svga.StatRegScratchSizeRd, "VMSVGA/Reg/ScratchSizeRead", "SVGA_REG_SCRATCH_SIZE reads."); + REG_CNT(&pThis->svga.StatRegSyncRd, "VMSVGA/Reg/SyncRead", "SVGA_REG_SYNC reads."); + REG_CNT(&pThis->svga.StatRegTopRd, "VMSVGA/Reg/TopRead", "SVGA_REG_TOP reads."); + REG_CNT(&pThis->svga.StatRegTracesRd, "VMSVGA/Reg/TracesRead", "SVGA_REG_TRACES reads."); + REG_CNT(&pThis->svga.StatRegUnknownRd, "VMSVGA/Reg/UnknownRead", "SVGA_REG_UNKNOWN reads."); + REG_CNT(&pThis->svga.StatRegVramSizeRd, "VMSVGA/Reg/VramSizeRead", "SVGA_REG_VRAM_SIZE reads."); + REG_CNT(&pThis->svga.StatRegWidthRd, "VMSVGA/Reg/WidthRead", "SVGA_REG_WIDTH reads."); + REG_CNT(&pThis->svga.StatRegWriteOnlyRd, "VMSVGA/Reg/WriteOnlyRead", "Write-only SVGA_REG_XXXX reads."); + REG_CNT(&pThis->svga.StatRegCommandLowRd, "VMSVGA/Reg/CommandLowRead", "SVGA_REG_COMMAND_LOW reads."); + REG_CNT(&pThis->svga.StatRegCommandHighRd, "VMSVGA/Reg/CommandHighRead", "SVGA_REG_COMMAND_HIGH reads."); + REG_CNT(&pThis->svga.StatRegMaxPrimBBMemRd, "VMSVGA/Reg/MaxPrimBBMemRead", "SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM reads."); + REG_CNT(&pThis->svga.StatRegGBMemSizeRd, "VMSVGA/Reg/GBMemSizeRead", "SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB reads."); + REG_CNT(&pThis->svga.StatRegDevCapRd, "VMSVGA/Reg/DevCapRead", "SVGA_REG_DEV_CAP reads."); + REG_CNT(&pThis->svga.StatRegCmdPrependLowRd, "VMSVGA/Reg/CmdPrependLowRead", "SVGA_REG_CMD_PREPEND_LOW reads."); + REG_CNT(&pThis->svga.StatRegCmdPrependHighRd, "VMSVGA/Reg/CmdPrependHighRead", "SVGA_REG_CMD_PREPEND_HIGH reads."); + REG_CNT(&pThis->svga.StatRegScrnTgtMaxWidthRd, "VMSVGA/Reg/ScrnTgtMaxWidthRead", "SVGA_REG_SCREENTARGET_MAX_WIDTH reads."); + REG_CNT(&pThis->svga.StatRegScrnTgtMaxHeightRd, "VMSVGA/Reg/ScrnTgtMaxHeightRead", "SVGA_REG_SCREENTARGET_MAX_HEIGHT reads."); + REG_CNT(&pThis->svga.StatRegMobMaxSizeRd, "VMSVGA/Reg/MobMaxSizeRead", "SVGA_REG_MOB_MAX_SIZE reads."); + + REG_PRF(&pSVGAState->StatBusyDelayEmts, "VMSVGA/EmtDelayOnBusyFifo", "Time we've delayed EMTs because of busy FIFO thread."); + REG_CNT(&pSVGAState->StatFifoCommands, "VMSVGA/FifoCommands", "FIFO command counter."); + REG_CNT(&pSVGAState->StatFifoErrors, "VMSVGA/FifoErrors", "FIFO error counter."); + REG_CNT(&pSVGAState->StatFifoUnkCmds, "VMSVGA/FifoUnknownCommands", "FIFO unknown command counter."); + REG_CNT(&pSVGAState->StatFifoTodoTimeout, "VMSVGA/FifoTodoTimeout", "Number of times we discovered pending work after a wait timeout."); + REG_CNT(&pSVGAState->StatFifoTodoWoken, "VMSVGA/FifoTodoWoken", "Number of times we discovered pending work after being woken up."); + REG_PRF(&pSVGAState->StatFifoStalls, "VMSVGA/FifoStalls", "Profiling of FIFO stalls (waiting for guest to finish copying data)."); + REG_PRF(&pSVGAState->StatFifoExtendedSleep, "VMSVGA/FifoExtendedSleep", "Profiling FIFO sleeps relying on the refresh timer and/or access handler."); +# if defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) || defined(DEBUG_FIFO_ACCESS) + REG_CNT(&pSVGAState->StatFifoAccessHandler, "VMSVGA/FifoAccessHandler", "Number of times the FIFO access handler triggered."); +# endif + REG_CNT(&pSVGAState->StatFifoCursorFetchAgain, "VMSVGA/FifoCursorFetchAgain", "Times the cursor update counter changed while reading."); + REG_CNT(&pSVGAState->StatFifoCursorNoChange, "VMSVGA/FifoCursorNoChange", "No cursor position change event though the update counter was modified."); + REG_CNT(&pSVGAState->StatFifoCursorPosition, "VMSVGA/FifoCursorPosition", "Cursor position and visibility changes."); + REG_CNT(&pSVGAState->StatFifoCursorVisiblity, "VMSVGA/FifoCursorVisiblity", "Cursor visibility changes."); + REG_CNT(&pSVGAState->StatFifoWatchdogWakeUps, "VMSVGA/FifoWatchdogWakeUps", "Number of times the FIFO refresh poller/watchdog woke up the FIFO thread."); + +# undef REG_CNT +# undef REG_PRF + + /* + * Info handlers. + */ + PDMDevHlpDBGFInfoRegister(pDevIns, "vmsvga", "Basic VMSVGA device state details", vmsvgaR3Info); +# ifdef VBOX_WITH_VMSVGA3D + PDMDevHlpDBGFInfoRegister(pDevIns, "vmsvga3dctx", "VMSVGA 3d context details. Accepts 'terse'.", vmsvgaR3Info3dContext); + PDMDevHlpDBGFInfoRegister(pDevIns, "vmsvga3dsfc", + "VMSVGA 3d surface details. " + "Accepts 'terse', 'invy', and one of 'tiny', 'medium', 'normal', 'big', 'huge', or 'gigantic'.", + vmsvgaR3Info3dSurface); + PDMDevHlpDBGFInfoRegister(pDevIns, "vmsvga3dsurf", + "VMSVGA 3d surface details and bitmap: " + "sid[>dir]", + vmsvgaR3Info3dSurfaceBmp); +# endif + + return VINF_SUCCESS; +} + +/* Initialize 3D backend, set device capabilities and call pfnPowerOn callback of 3D backend. + * + * @param pDevIns The device instance. + * @param pThis The shared VGA/VMSVGA instance data. + * @param pThisCC The VGA/VMSVGA state for ring-3. + * @param fLoadState Whether saved state is being loaded. + */ +static void vmsvgaR3PowerOnDevice(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, bool fLoadState) +{ +# ifdef VBOX_WITH_VMSVGA3D + if (pThis->svga.f3DEnabled) + { + /* Load a 3D backend. */ + int rc = vmsvgaR3Init3dInterfaces(pDevIns, pThis, pThisCC); + if (RT_FAILURE(rc)) + { + LogRel(("VMSVGA3d: 3D support disabled! (vmsvga3dInit -> %Rrc)\n", rc)); + pThis->svga.f3DEnabled = false; + } + } +# endif + +# if defined(VBOX_WITH_VMSVGA3D) && defined(RT_OS_LINUX) + if (pThis->svga.f3DEnabled) + { + /* The FIFO thread may use X API for accelerated screen output. */ + /* This must be done after backend initialization by vmsvgaR3Init3dInterfaces, + * because it dynamically resolves XInitThreads. + */ + XInitThreads(); + } +# endif + + if (!fLoadState) + { + vmsvgaR3InitFIFO(pThis, pThisCC); + vmsvgaR3GetCaps(pThis, pThisCC, &pThis->svga.u32DeviceCaps, &pThis->svga.u32DeviceCaps2, &pThisCC->svga.pau32FIFO[SVGA_FIFO_CAPABILITIES]); + } +# ifdef DEBUG + else + { + /* If saved state is being loaded then FIFO and caps are already restored. */ + uint32_t u32DeviceCaps = 0; + uint32_t u32DeviceCaps2 = 0; + uint32_t u32FIFOCaps = 0; + vmsvgaR3GetCaps(pThis, pThisCC, &u32DeviceCaps, &u32DeviceCaps2, &u32FIFOCaps); + + /* Capabilities should not change normally. + * However the saved state might have a subset of currently implemented caps. + */ + Assert( (pThis->svga.u32DeviceCaps & u32DeviceCaps) == pThis->svga.u32DeviceCaps + && (pThis->svga.u32DeviceCaps2 & u32DeviceCaps2) == pThis->svga.u32DeviceCaps2 + && (pThisCC->svga.pau32FIFO[SVGA_FIFO_CAPABILITIES] & u32FIFOCaps) == pThisCC->svga.pau32FIFO[SVGA_FIFO_CAPABILITIES]); + } +#endif + +# ifdef VBOX_WITH_VMSVGA3D + if (pThis->svga.f3DEnabled) + { + PVMSVGAR3STATE pSVGAState = pThisCC->svga.pSvgaR3State; + int rc = pSVGAState->pFuncs3D->pfnPowerOn(pDevIns, pThis, pThisCC); + if (RT_SUCCESS(rc)) + { + /* Initialize FIFO 3D capabilities. */ + vmsvgaR3InitFifo3DCaps(pThis, pThisCC); + } + else + { + LogRel(("VMSVGA3d: 3D support disabled! (vmsvga3dPowerOn -> %Rrc)\n", rc)); + pThis->svga.f3DEnabled = false; + } + } +# else /* !VBOX_WITH_VMSVGA3D */ + RT_NOREF(pDevIns); +# endif /* !VBOX_WITH_VMSVGA3D */ +} + + +/** + * Power On notification. + * + * @param pDevIns The device instance data. + * + * @remarks Caller enters the device critical section. + */ +DECLCALLBACK(void) vmsvgaR3PowerOn(PPDMDEVINS pDevIns) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + + vmsvgaR3PowerOnDevice(pDevIns, pThis, pThisCC, /*fLoadState=*/ false); +} + +/** + * Power Off notification. + * + * @param pDevIns The device instance data. + * + * @remarks Caller enters the device critical section. + */ +DECLCALLBACK(void) vmsvgaR3PowerOff(PPDMDEVINS pDevIns) +{ + PVGASTATE pThis = PDMDEVINS_2_DATA(pDevIns, PVGASTATE); + PVGASTATECC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVGASTATECC); + + /* + * Notify the FIFO thread. + */ + if (pThisCC->svga.pFIFOIOThread) + { + /* Hack around a deadlock: + * - the caller holds the device critsect; + * - FIFO thread may attempt to enter the critsect too (when raising an IRQ). + */ + PDMDevHlpCritSectLeave(pDevIns, &pThis->CritSect); + + int rc = vmsvgaR3RunExtCmdOnFifoThread(pDevIns, pThis, pThisCC, VMSVGA_FIFO_EXTCMD_POWEROFF, + NULL /*pvParam*/, 30000 /*ms*/); + AssertLogRelRC(rc); + + int const rcLock = PDMDevHlpCritSectEnter(pDevIns, &pThis->CritSect, VERR_IGNORED); + PDM_CRITSECT_RELEASE_ASSERT_RC_DEV(pDevIns, &pThis->CritSect, rcLock); + } +} + +#endif /* IN_RING3 */ |