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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA-SVGA.h@ 78218

Last change on this file since 78218 was 77287, checked in by vboxsync, 6 years ago

DevVGA-SVGA: Use the VGA refresh timer to babysit the FIFO thread and make sure it's woken up when needed. Disabled the access handler based babysitter with #ifdef VMSVGA_USE_FIFO_ACCESS_HANDLER. bugref:9376
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1/* $Id: DevVGA-SVGA.h 77287 2019-02-12 16:47:16Z vboxsync $ */
2/** @file
3 * VMware SVGA device
4 */
5/*
6 * Copyright (C) 2013-2019 Oracle Corporation
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 */
16
17#ifndef VBOX_INCLUDED_SRC_Graphics_DevVGA_SVGA_h
18#define VBOX_INCLUDED_SRC_Graphics_DevVGA_SVGA_h
19#ifndef RT_WITHOUT_PRAGMA_ONCE
20# pragma once
21#endif
22
23#ifndef VBOX_WITH_VMSVGA
24# error "VBOX_WITH_VMSVGA is not defined"
25#endif
26
27#include <VBox/vmm/pdmthread.h>
28
29#include "vmsvga/svga3d_reg.h"
30
31/** Default FIFO size. */
32#define VMSVGA_FIFO_SIZE _2M
33/** The old FIFO size. */
34#define VMSVGA_FIFO_SIZE_OLD _128K
35
36/** Default scratch region size. */
37#define VMSVGA_SCRATCH_SIZE 0x100
38/** Surface memory available to the guest. */
39#define VMSVGA_SURFACE_SIZE (512*1024*1024)
40/** Maximum GMR pages. */
41#define VMSVGA_MAX_GMR_PAGES 0x100000
42/** Maximum nr of GMR ids. */
43#define VMSVGA_MAX_GMR_IDS _8K
44/** Maximum number of GMR descriptors. */
45#define VMSVGA_MAX_GMR_DESC_LOOP_COUNT VMSVGA_MAX_GMR_PAGES
46
47#define VMSVGA_VAL_UNINITIALIZED (unsigned)-1
48
49/** For validating X and width values.
50 * The code assumes it's at least an order of magnitude less than UINT32_MAX. */
51#define VMSVGA_MAX_X _1M
52/** For validating Y and height values.
53 * The code assumes it's at least an order of magnitude less than UINT32_MAX. */
54#define VMSVGA_MAX_Y _1M
55
56/* u32ActionFlags */
57#define VMSVGA_ACTION_CHANGEMODE_BIT 0
58#define VMSVGA_ACTION_CHANGEMODE RT_BIT(VMSVGA_ACTION_CHANGEMODE_BIT)
59
60
61#ifdef DEBUG
62/* Enable to log FIFO register accesses. */
63//# define DEBUG_FIFO_ACCESS
64/* Enable to log GMR page accesses. */
65//# define DEBUG_GMR_ACCESS
66#endif
67
68#define VMSVGA_FIFO_EXTCMD_NONE 0
69#define VMSVGA_FIFO_EXTCMD_TERMINATE 1
70#define VMSVGA_FIFO_EXTCMD_SAVESTATE 2
71#define VMSVGA_FIFO_EXTCMD_LOADSTATE 3
72#define VMSVGA_FIFO_EXTCMD_RESET 4
73#define VMSVGA_FIFO_EXTCMD_UPDATE_SURFACE_HEAP_BUFFERS 5
74
75/** Size of the region to backup when switching into svga mode. */
76#define VMSVGA_VGA_FB_BACKUP_SIZE _512K
77
78/** @def VMSVGA_WITH_VGA_FB_BACKUP
79 * Enables correct VGA MMIO read/write handling when VMSVGA is enabled. It
80 * is SLOW and probably not entirely right, but it helps with getting 3dmark
81 * output and other stuff. */
82#define VMSVGA_WITH_VGA_FB_BACKUP 1
83
84/** @def VMSVGA_WITH_VGA_FB_BACKUP_AND_IN_RING3
85 * defined(VMSVGA_WITH_VGA_FB_BACKUP) && defined(IN_RING3) */
86#if (defined(VMSVGA_WITH_VGA_FB_BACKUP) && defined(IN_RING3)) || defined(DOXYGEN_RUNNING)
87# define VMSVGA_WITH_VGA_FB_BACKUP_AND_IN_RING3 1
88#else
89# undef VMSVGA_WITH_VGA_FB_BACKUP_AND_IN_RING3
90#endif
91
92/** @def VMSVGA_WITH_VGA_FB_BACKUP_AND_IN_RZ
93 * defined(VMSVGA_WITH_VGA_FB_BACKUP) && !defined(IN_RING3) */
94#if (defined(VMSVGA_WITH_VGA_FB_BACKUP) && !defined(IN_RING3)) || defined(DOXYGEN_RUNNING)
95# define VMSVGA_WITH_VGA_FB_BACKUP_AND_IN_RZ 1
96#else
97# undef VMSVGA_WITH_VGA_FB_BACKUP_AND_IN_RZ
98#endif
99
100
101typedef struct
102{
103 PSSMHANDLE pSSM;
104 uint32_t uVersion;
105 uint32_t uPass;
106} VMSVGA_STATE_LOAD;
107typedef VMSVGA_STATE_LOAD *PVMSVGA_STATE_LOAD;
108
109/** Host screen viewport.
110 * (4th quadrant with negated Y values - usual Windows and X11 world view.) */
111typedef struct VMSVGAVIEWPORT
112{
113 uint32_t x; /**< x coordinate (left). */
114 uint32_t y; /**< y coordinate (top). */
115 uint32_t cx; /**< width. */
116 uint32_t cy; /**< height. */
117 /** Right side coordinate (exclusive). Same as x + cx. */
118 uint32_t xRight;
119 /** First quadrant low y coordinate.
120 * Same as y + cy - 1 in window coordinates. */
121 uint32_t yLowWC;
122 /** First quadrant high y coordinate (exclusive) - yLowWC + cy.
123 * Same as y - 1 in window coordinates. */
124 uint32_t yHighWC;
125 /** Alignment padding. */
126 uint32_t uAlignment;
127} VMSVGAVIEWPORT;
128
129/**
130 * Screen object state.
131 */
132typedef struct VMSVGASCREENOBJECT
133{
134 /** SVGA_SCREEN_* flags. */
135 uint32_t fuScreen;
136 /** The screen object id. */
137 uint32_t idScreen;
138 /** The screen dimensions. */
139 int32_t xOrigin;
140 int32_t yOrigin;
141 uint32_t cWidth;
142 uint32_t cHeight;
143 /** Offset of the screen buffer in the guest VRAM. */
144 uint32_t offVRAM;
145 /** Scanline pitch. */
146 uint32_t cbPitch;
147 /** Bits per pixel. */
148 uint32_t cBpp;
149 bool fDefined;
150 bool fModified;
151} VMSVGASCREENOBJECT;
152
153/** Pointer to the private VMSVGA ring-3 state structure.
154 * @todo Still not entirely satisfired with the type name, but better than
155 * the previous lower/upper case only distinction. */
156typedef struct VMSVGAR3STATE *PVMSVGAR3STATE;
157/** Pointer to the private (implementation specific) VMSVGA3d state. */
158typedef struct VMSVGA3DSTATE *PVMSVGA3DSTATE;
159
160
161/**
162 * The VMSVGA device state.
163 *
164 * This instantatiated as VGASTATE::svga.
165 */
166typedef struct VMSVGAState
167{
168 /** The R3 FIFO pointer. */
169 R3PTRTYPE(uint32_t *) pFIFOR3;
170 /** The R0 FIFO pointer. */
171 R0PTRTYPE(uint32_t *) pFIFOR0;
172 /** R3 Opaque pointer to svga state. */
173 R3PTRTYPE(PVMSVGAR3STATE) pSvgaR3State;
174 /** R3 Opaque pointer to 3d state. */
175 R3PTRTYPE(PVMSVGA3DSTATE) p3dState;
176 /** The separate VGA frame buffer in svga mode.
177 * Unlike the the boch-based VGA device implementation, VMSVGA seems to have a
178 * separate frame buffer for VGA and allows concurrent use of both. The SVGA
179 * SDK is making use of this to do VGA text output while testing other things in
180 * SVGA mode, displaying the result by switching back to VGA text mode. So,
181 * when entering SVGA mode we copy the first part of the frame buffer here and
182 * direct VGA accesses here instead. It is copied back when leaving SVGA mode. */
183 R3PTRTYPE(uint8_t *) pbVgaFrameBufferR3;
184 /** R3 Opaque pointer to an external fifo cmd parameter. */
185 R3PTRTYPE(void * volatile) pvFIFOExtCmdParam;
186
187 /** Guest physical address of the FIFO memory range. */
188 RTGCPHYS GCPhysFIFO;
189 /** Size in bytes of the FIFO memory range.
190 * This may be smaller than cbFIFOConfig after restoring an old VM state. */
191 uint32_t cbFIFO;
192 /** The configured FIFO size. */
193 uint32_t cbFIFOConfig;
194 /** SVGA id. */
195 uint32_t u32SVGAId;
196 /** SVGA extensions enabled or not. */
197 uint32_t fEnabled;
198 /** SVGA memory area configured status. */
199 uint32_t fConfigured;
200 /** Device is busy handling FIFO requests (VMSVGA_BUSY_F_FIFO,
201 * VMSVGA_BUSY_F_EMT_FORCE). */
202 uint32_t volatile fBusy;
203#define VMSVGA_BUSY_F_FIFO RT_BIT_32(0) /**< The normal true/false busy FIFO bit. */
204#define VMSVGA_BUSY_F_EMT_FORCE RT_BIT_32(1) /**< Bit preventing race status flickering when EMT kicks the FIFO thread. */
205 /** Traces (dirty page detection) enabled or not. */
206 uint32_t fTraces;
207 /** Guest OS identifier. */
208 uint32_t u32GuestId;
209 /** Scratch region size (VMSVGAState::au32ScratchRegion). */
210 uint32_t cScratchRegion;
211 /** Irq status. */
212 uint32_t u32IrqStatus;
213 /** Irq mask. */
214 uint32_t u32IrqMask;
215 /** Pitch lock. */
216 uint32_t u32PitchLock;
217 /** Current GMR id. (SVGA_REG_GMR_ID) */
218 uint32_t u32CurrentGMRId;
219 /** Register caps. */
220 uint32_t u32RegCaps;
221 /** Physical address of command mmio range. */
222 RTIOPORT BasePort;
223 RTIOPORT Padding0;
224 /** Port io index register. */
225 uint32_t u32IndexReg;
226 /** The support driver session handle for use with FIFORequestSem. */
227 R3R0PTRTYPE(PSUPDRVSESSION) pSupDrvSession;
228 /** FIFO request semaphore. */
229 SUPSEMEVENT FIFORequestSem;
230 /** FIFO external command semaphore. */
231 R3PTRTYPE(RTSEMEVENT) FIFOExtCmdSem;
232 /** FIFO IO Thread. */
233 R3PTRTYPE(PPDMTHREAD) pFIFOIOThread;
234 /** The last seen SVGA_FIFO_CURSOR_COUNT value.
235 * Used by the FIFO thread and its watchdog. */
236 uint32_t uLastCursorUpdateCount;
237 /** Indicates that the FIFO thread is sleeping and might need waking up. */
238 bool volatile fFIFOThreadSleeping;
239 /** The legacy GFB mode registers. If used, they correspond to screen 0. */
240 /** True when the guest modifies the GFB mode registers. */
241 bool fGFBRegisters;
242 bool afPadding[2];
243 uint32_t uWidth;
244 uint32_t uHeight;
245 uint32_t uBpp;
246 uint32_t cbScanline;
247 /** Maximum width supported. */
248 uint32_t u32MaxWidth;
249 /** Maximum height supported. */
250 uint32_t u32MaxHeight;
251 /** Viewport rectangle, i.e. what's currently visible of the target host
252 * window. This is usually (0,0)(uWidth,uHeight), but if the window is
253 * shrunk and scrolling applied, both the origin and size may differ. */
254 VMSVGAVIEWPORT viewport;
255 /** Action flags */
256 uint32_t u32ActionFlags;
257 /** SVGA 3d extensions enabled or not. */
258 bool f3DEnabled;
259 /** VRAM page monitoring enabled or not. */
260 bool fVRAMTracking;
261 /** External command to be executed in the FIFO thread. */
262 uint8_t volatile u8FIFOExtCommand;
263 /** Set by vmsvgaR3RunExtCmdOnFifoThread when it temporarily resumes the FIFO
264 * thread and does not want it do anything but the command. */
265 bool volatile fFifoExtCommandWakeup;
266#ifdef DEBUG_GMR_ACCESS
267 /** GMR debug access handler type handle. */
268 PGMPHYSHANDLERTYPE hGmrAccessHandlerType;
269#endif
270#if defined(VMSVGA_USE_FIFO_ACCESS_HANDLER) || defined(DEBUG_FIFO_ACCESS)
271 /** FIFO debug access handler type handle. */
272 PGMPHYSHANDLERTYPE hFifoAccessHandlerType;
273#elif defined(DEBUG_GMR_ACCESS)
274 uint32_t uPadding1;
275#endif
276 /** Number of GMRs. */
277 uint32_t cGMR;
278 uint32_t uScreenOffset; /* Used only for loading older saved states. */
279
280 /** Scratch array.
281 * Putting this at the end since it's big it probably not . */
282 uint32_t au32ScratchRegion[VMSVGA_SCRATCH_SIZE];
283
284 STAMCOUNTER StatRegBitsPerPixelWr;
285 STAMCOUNTER StatRegBusyWr;
286 STAMCOUNTER StatRegCursorXxxxWr;
287 STAMCOUNTER StatRegDepthWr;
288 STAMCOUNTER StatRegDisplayHeightWr;
289 STAMCOUNTER StatRegDisplayIdWr;
290 STAMCOUNTER StatRegDisplayIsPrimaryWr;
291 STAMCOUNTER StatRegDisplayPositionXWr;
292 STAMCOUNTER StatRegDisplayPositionYWr;
293 STAMCOUNTER StatRegDisplayWidthWr;
294 STAMCOUNTER StatRegEnableWr;
295 STAMCOUNTER StatRegGmrIdWr;
296 STAMCOUNTER StatRegGuestIdWr;
297 STAMCOUNTER StatRegHeightWr;
298 STAMCOUNTER StatRegIdWr;
299 STAMCOUNTER StatRegIrqMaskWr;
300 STAMCOUNTER StatRegNumDisplaysWr;
301 STAMCOUNTER StatRegNumGuestDisplaysWr;
302 STAMCOUNTER StatRegPaletteWr;
303 STAMCOUNTER StatRegPitchLockWr;
304 STAMCOUNTER StatRegPseudoColorWr;
305 STAMCOUNTER StatRegReadOnlyWr;
306 STAMCOUNTER StatRegScratchWr;
307 STAMCOUNTER StatRegSyncWr;
308 STAMCOUNTER StatRegTopWr;
309 STAMCOUNTER StatRegTracesWr;
310 STAMCOUNTER StatRegUnknownWr;
311 STAMCOUNTER StatRegWidthWr;
312
313 STAMCOUNTER StatRegBitsPerPixelRd;
314 STAMCOUNTER StatRegBlueMaskRd;
315 STAMCOUNTER StatRegBusyRd;
316 STAMCOUNTER StatRegBytesPerLineRd;
317 STAMCOUNTER StatRegCapabilitesRd;
318 STAMCOUNTER StatRegConfigDoneRd;
319 STAMCOUNTER StatRegCursorXxxxRd;
320 STAMCOUNTER StatRegDepthRd;
321 STAMCOUNTER StatRegDisplayHeightRd;
322 STAMCOUNTER StatRegDisplayIdRd;
323 STAMCOUNTER StatRegDisplayIsPrimaryRd;
324 STAMCOUNTER StatRegDisplayPositionXRd;
325 STAMCOUNTER StatRegDisplayPositionYRd;
326 STAMCOUNTER StatRegDisplayWidthRd;
327 STAMCOUNTER StatRegEnableRd;
328 STAMCOUNTER StatRegFbOffsetRd;
329 STAMCOUNTER StatRegFbSizeRd;
330 STAMCOUNTER StatRegFbStartRd;
331 STAMCOUNTER StatRegGmrIdRd;
332 STAMCOUNTER StatRegGmrMaxDescriptorLengthRd;
333 STAMCOUNTER StatRegGmrMaxIdsRd;
334 STAMCOUNTER StatRegGmrsMaxPagesRd;
335 STAMCOUNTER StatRegGreenMaskRd;
336 STAMCOUNTER StatRegGuestIdRd;
337 STAMCOUNTER StatRegHeightRd;
338 STAMCOUNTER StatRegHostBitsPerPixelRd;
339 STAMCOUNTER StatRegIdRd;
340 STAMCOUNTER StatRegIrqMaskRd;
341 STAMCOUNTER StatRegMaxHeightRd;
342 STAMCOUNTER StatRegMaxWidthRd;
343 STAMCOUNTER StatRegMemorySizeRd;
344 STAMCOUNTER StatRegMemRegsRd;
345 STAMCOUNTER StatRegMemSizeRd;
346 STAMCOUNTER StatRegMemStartRd;
347 STAMCOUNTER StatRegNumDisplaysRd;
348 STAMCOUNTER StatRegNumGuestDisplaysRd;
349 STAMCOUNTER StatRegPaletteRd;
350 STAMCOUNTER StatRegPitchLockRd;
351 STAMCOUNTER StatRegPsuedoColorRd;
352 STAMCOUNTER StatRegRedMaskRd;
353 STAMCOUNTER StatRegScratchRd;
354 STAMCOUNTER StatRegScratchSizeRd;
355 STAMCOUNTER StatRegSyncRd;
356 STAMCOUNTER StatRegTopRd;
357 STAMCOUNTER StatRegTracesRd;
358 STAMCOUNTER StatRegUnknownRd;
359 STAMCOUNTER StatRegVramSizeRd;
360 STAMCOUNTER StatRegWidthRd;
361 STAMCOUNTER StatRegWriteOnlyRd;
362} VMSVGAState;
363
364typedef struct VGAState *PVGASTATE;
365
366DECLCALLBACK(int) vmsvgaR3IORegionMap(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, uint32_t iRegion,
367 RTGCPHYS GCPhysAddress, RTGCPHYS cb, PCIADDRESSSPACE enmType);
368
369DECLCALLBACK(void) vmsvgaPortSetViewport(PPDMIDISPLAYPORT pInterface, uint32_t uScreenId,
370 uint32_t x, uint32_t y, uint32_t cx, uint32_t cy);
371
372int vmsvgaInit(PPDMDEVINS pDevIns);
373int vmsvgaReset(PPDMDEVINS pDevIns);
374int vmsvgaDestruct(PPDMDEVINS pDevIns);
375int vmsvgaLoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass);
376int vmsvgaLoadDone(PPDMDEVINS pDevIns);
377int vmsvgaSaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
378DECLCALLBACK(void) vmsvgaR3PowerOn(PPDMDEVINS pDevIns);
379DECLCALLBACK(void) vmsvgaR3PowerOff(PPDMDEVINS pDevIns);
380void vmsvgaFIFOWatchdogTimer(PVGASTATE pThis);
381
382#ifdef IN_RING3
383VMSVGASCREENOBJECT *vmsvgaGetScreenObject(PVGASTATE pThis, uint32_t idScreen);
384int vmsvgaUpdateScreen(PVGASTATE pThis, VMSVGASCREENOBJECT *pScreen, int x, int y, int w, int h);
385#endif
386
387void vmsvgaGMRFree(PVGASTATE pThis, uint32_t idGMR);
388int vmsvgaGMRTransfer(PVGASTATE pThis, const SVGA3dTransferType enmTransferType,
389 uint8_t *pbHstBuf, uint32_t cbHstBuf, uint32_t offHst, int32_t cbHstPitch,
390 SVGAGuestPtr gstPtr, uint32_t offGst, int32_t cbGstPitch,
391 uint32_t cbWidth, uint32_t cHeight);
392
393void vmsvgaClipCopyBox(const SVGA3dSize *pSizeSrc,
394 const SVGA3dSize *pSizeDest,
395 SVGA3dCopyBox *pBox);
396void vmsvgaClipBox(const SVGA3dSize *pSize,
397 SVGA3dBox *pBox);
398void vmsvgaClipRect(SVGASignedRect const *pBound,
399 SVGASignedRect *pRect);
400
401#endif /* !VBOX_INCLUDED_SRC_Graphics_DevVGA_SVGA_h */
402
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