VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 69041

Last change on this file since 69041 was 69041, checked in by vboxsync, 7 years ago

DevVGA: eliminate unused struct field and touch up a few comments

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File size: 26.7 KB
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1/* $Id: DevVGA.h 69041 2017-10-11 15:44:01Z vboxsync $ */
2/** @file
3 * DevVGA - VBox VGA/VESA device, internal header.
4 */
5
6/*
7 * Copyright (C) 2006-2016 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 * --------------------------------------------------------------------
17 *
18 * This code is based on:
19 *
20 * QEMU internal VGA defines.
21 *
22 * Copyright (c) 2003-2004 Fabrice Bellard
23 *
24 * Permission is hereby granted, free of charge, to any person obtaining a copy
25 * of this software and associated documentation files (the "Software"), to deal
26 * in the Software without restriction, including without limitation the rights
27 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
28 * copies of the Software, and to permit persons to whom the Software is
29 * furnished to do so, subject to the following conditions:
30 *
31 * The above copyright notice and this permission notice shall be included in
32 * all copies or substantial portions of the Software.
33 *
34 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
35 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
36 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
37 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
38 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
39 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
40 * THE SOFTWARE.
41 */
42
43/** Use VBE bytewise I/O. Only needed for Windows Longhorn/Vista betas and backwards compatibility. */
44#define VBE_BYTEWISE_IO
45
46/** Use VBE new dynamic mode list.
47 * If this is not defined, no checks are carried out to see if the modes all
48 * fit into the framebuffer! See the VRAM_SIZE_FIX define. */
49#define VBE_NEW_DYN_LIST
50
51#ifdef VBOX
52/** The default amount of VRAM. */
53# define VGA_VRAM_DEFAULT (_4M)
54/** The maximum amount of VRAM. Limited by VBOX_MAX_ALLOC_PAGE_COUNT. */
55# define VGA_VRAM_MAX (256 * _1M)
56/** The minimum amount of VRAM. */
57# define VGA_VRAM_MIN (_1M)
58#endif
59
60#include <VBoxVideoVBE.h>
61
62#ifdef VBOX_WITH_HGSMI
63# include "HGSMI/HGSMIHost.h"
64#endif /* VBOX_WITH_HGSMI */
65#include "DevVGASavedState.h"
66
67#ifdef VBOX_WITH_VMSVGA
68# include "DevVGA-SVGA.h"
69#endif
70
71#include <iprt/list.h>
72
73#define MSR_COLOR_EMULATION 0x01
74#define MSR_PAGE_SELECT 0x20
75
76#define ST01_V_RETRACE 0x08
77#define ST01_DISP_ENABLE 0x01
78
79/* bochs VBE support */
80#define CONFIG_BOCHS_VBE
81
82#ifdef CONFIG_BOCHS_VBE
83
84/* Cross reference with <VBoxVideoVBE.h> */
85#define VBE_DISPI_INDEX_NB_SAVED 0xb /* Number of saved registers (vbe_regs array) */
86#define VBE_DISPI_INDEX_NB 0xc /* Total number of VBE registers */
87
88#define VGA_STATE_COMMON_BOCHS_VBE \
89 uint16_t vbe_index; \
90 uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
91 uint16_t alignment[3]; /* pad to 64 bits */ \
92 uint32_t vbe_start_addr; \
93 uint32_t vbe_line_offset; \
94 uint32_t vbe_bank_max;
95
96#else
97
98#define VGA_STATE_COMMON_BOCHS_VBE
99
100#endif /* !CONFIG_BOCHS_VBE */
101
102#define CH_ATTR_SIZE (160 * 100)
103#define VGA_MAX_HEIGHT VBE_DISPI_MAX_YRES
104
105typedef struct vga_retrace_s {
106 unsigned frame_cclks; /* Character clocks per frame. */
107 unsigned frame_ns; /* Frame duration in ns. */
108 unsigned cclk_ns; /* Character clock duration in ns. */
109 unsigned vb_start; /* Vertical blanking start (scanline). */
110 unsigned vb_end; /* Vertical blanking end (scanline). */
111 unsigned vb_end_ns; /* Vertical blanking end time (length) in ns. */
112 unsigned vs_start; /* Vertical sync start (scanline). */
113 unsigned vs_end; /* Vertical sync end (scanline). */
114 unsigned vs_start_ns; /* Vertical sync start time in ns. */
115 unsigned vs_end_ns; /* Vertical sync end time in ns. */
116 unsigned h_total; /* Horizontal total (cclks per scanline). */
117 unsigned h_total_ns; /* Scanline duration in ns. */
118 unsigned hb_start; /* Horizontal blanking start (cclk). */
119 unsigned hb_end; /* Horizontal blanking end (cclk). */
120 unsigned hb_end_ns; /* Horizontal blanking end time (length) in ns. */
121 unsigned v_freq_hz; /* Vertical refresh rate to emulate. */
122} vga_retrace_s;
123
124#ifndef VBOX
125#define VGA_STATE_COMMON \
126 uint8_t *vram_ptr; \
127 unsigned long vram_offset; \
128 unsigned int vram_size; \
129 uint32_t latch; \
130 uint8_t sr_index; \
131 uint8_t sr[256]; \
132 uint8_t gr_index; \
133 uint8_t gr[256]; \
134 uint8_t ar_index; \
135 uint8_t ar[21]; \
136 int ar_flip_flop; \
137 uint8_t cr_index; \
138 uint8_t cr[256]; /* CRT registers */ \
139 uint8_t msr; /* Misc Output Register */ \
140 uint8_t fcr; /* Feature Control Register */ \
141 uint8_t st00; /* status 0 */ \
142 uint8_t st01; /* status 1 */ \
143 uint8_t dac_state; \
144 uint8_t dac_sub_index; \
145 uint8_t dac_read_index; \
146 uint8_t dac_write_index; \
147 uint8_t dac_cache[3]; /* used when writing */ \
148 uint8_t palette[768]; \
149 int32_t bank_offset; \
150 int (*get_bpp)(struct VGAState *s); \
151 void (*get_offsets)(struct VGAState *s, \
152 uint32_t *pline_offset, \
153 uint32_t *pstart_addr, \
154 uint32_t *pline_compare); \
155 void (*get_resolution)(struct VGAState *s, \
156 int *pwidth, \
157 int *pheight); \
158 VGA_STATE_COMMON_BOCHS_VBE \
159 /* display refresh support */ \
160 DisplayState *ds; \
161 uint32_t font_offsets[2]; \
162 int graphic_mode; \
163 uint8_t shift_control; \
164 uint8_t double_scan; \
165 uint32_t line_offset; \
166 uint32_t line_compare; \
167 uint32_t start_addr; \
168 uint32_t plane_updated; \
169 uint8_t last_cw, last_ch; \
170 uint32_t last_width, last_height; /* in chars or pixels */ \
171 uint32_t last_scr_width, last_scr_height; /* in pixels */ \
172 uint8_t cursor_start, cursor_end; \
173 uint32_t cursor_offset; \
174 unsigned int (*rgb_to_pixel)(unsigned int r, \
175 unsigned int g, unsigned b); \
176 /* hardware mouse cursor support */ \
177 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
178 void (*cursor_invalidate)(struct VGAState *s); \
179 void (*cursor_draw_line)(struct VGAState *s, uint8_t *d, int y); \
180 /* tell for each page if it has been updated since the last time */ \
181 uint32_t last_palette[256]; \
182 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
183
184#else /* VBOX */
185
186/* bird: Since we've changed types, reordered members, done alignment
187 paddings and more, VGA_STATE_COMMON was added directly to the
188 struct to make it more readable and easier to handle. */
189
190struct VGAState;
191typedef int FNGETBPP(struct VGAState *s);
192typedef void FNGETOFFSETS(struct VGAState *s, uint32_t *pline_offset, uint32_t *pstart_addr, uint32_t *pline_compare);
193typedef void FNGETRESOLUTION(struct VGAState *s, int *pwidth, int *pheight);
194typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
195typedef void FNCURSORINVALIDATE(struct VGAState *s);
196typedef void FNCURSORDRAWLINE(struct VGAState *s, uint8_t *d, int y);
197
198#endif /* VBOX */
199
200#ifdef VBOX_WITH_VDMA
201typedef struct VBOXVDMAHOST *PVBOXVDMAHOST;
202#endif
203
204#ifdef VBOX_WITH_VIDEOHWACCEL
205#define VBOX_VHWA_MAX_PENDING_COMMANDS 1000
206
207typedef struct _VBOX_VHWA_PENDINGCMD
208{
209 RTLISTNODE Node;
210 PVBOXVHWACMD pCommand;
211} VBOX_VHWA_PENDINGCMD;
212#endif
213
214
215typedef struct VGAState {
216#ifndef VBOX
217 VGA_STATE_COMMON
218#else /* VBOX */
219 R3PTRTYPE(uint8_t *) vram_ptrR3;
220 R3PTRTYPE(FNGETBPP *) get_bpp;
221 R3PTRTYPE(FNGETOFFSETS *) get_offsets;
222 R3PTRTYPE(FNGETRESOLUTION *) get_resolution;
223 R3PTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel;
224 R3PTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate;
225 R3PTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line;
226 RTR3PTR R3PtrCmnAlignment;
227 uint32_t vram_size;
228 uint32_t latch;
229 uint8_t sr_index;
230 uint8_t sr[256];
231 uint8_t gr_index;
232 uint8_t gr[256];
233 uint8_t ar_index;
234 uint8_t ar[21];
235 int32_t ar_flip_flop;
236 uint8_t cr_index;
237 uint8_t cr[256]; /* CRT registers */
238 uint8_t msr; /* Misc Output Register */
239 uint8_t fcr; /* Feature Control Register */
240 uint8_t st00; /* status 0 */
241 uint8_t st01; /* status 1 */
242 uint8_t dac_state;
243 uint8_t dac_sub_index;
244 uint8_t dac_read_index;
245 uint8_t dac_write_index;
246 uint8_t dac_cache[3]; /* used when writing */
247 uint8_t palette[768];
248 int32_t bank_offset;
249 VGA_STATE_COMMON_BOCHS_VBE
250 /* display refresh support */
251 uint32_t font_offsets[2];
252 int32_t graphic_mode;
253 uint8_t shift_control;
254 uint8_t double_scan;
255 uint8_t padding1[2];
256 uint32_t line_offset;
257 uint32_t vga_addr_mask;
258 uint32_t padding1a;
259 uint32_t line_compare;
260 uint32_t start_addr;
261 uint32_t plane_updated;
262 uint8_t last_cw, last_ch, padding2[2];
263 uint32_t last_width, last_height; /* in chars or pixels */
264 uint32_t last_scr_width, last_scr_height; /* in pixels */
265 uint32_t last_bpp;
266 uint8_t cursor_start, cursor_end;
267 bool last_cur_blink, last_chr_blink;
268 uint32_t cursor_offset;
269 /* hardware mouse cursor support */
270 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
271 /* tell for each page if it has been updated since the last time */
272 uint32_t last_palette[256];
273 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
274
275 /** end-of-common-state-marker */
276 uint32_t u32Marker;
277
278 /** Pointer to the device instance - RC Ptr. */
279 PPDMDEVINSRC pDevInsRC;
280 /** Pointer to the GC vram mapping. */
281 RCPTRTYPE(uint8_t *) vram_ptrRC;
282 uint32_t Padding1;
283
284 /** Pointer to the device instance - R3 Ptr. */
285 PPDMDEVINSR3 pDevInsR3;
286# ifdef VBOX_WITH_HGSMI
287 R3PTRTYPE(PHGSMIINSTANCE) pHGSMI;
288# endif
289# ifdef VBOX_WITH_VDMA
290 R3PTRTYPE(PVBOXVDMAHOST) pVdma;
291# endif
292 /** LUN\#0: The display port base interface. */
293 PDMIBASE IBase;
294 /** LUN\#0: The display port interface. */
295 PDMIDISPLAYPORT IPort;
296# if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOX_WITH_CRHGSMI))
297 /** LUN\#0: VBVA callbacks interface */
298 PDMIDISPLAYVBVACALLBACKS IVBVACallbacks;
299# else
300 RTR3PTR Padding2;
301# endif
302 /** Status LUN: Leds interface. */
303 PDMILEDPORTS ILeds;
304
305 /** Pointer to base interface of the driver. */
306 R3PTRTYPE(PPDMIBASE) pDrvBase;
307 /** Pointer to display connector interface of the driver. */
308 R3PTRTYPE(PPDMIDISPLAYCONNECTOR) pDrv;
309
310 /** Status LUN: Partner of ILeds. */
311 R3PTRTYPE(PPDMILEDCONNECTORS) pLedsConnector;
312
313 /** Refresh timer handle - HC. */
314 PTMTIMERR3 RefreshTimer;
315
316 /** Pointer to the device instance - R0 Ptr. */
317 PPDMDEVINSR0 pDevInsR0;
318 /** The R0 vram pointer... */
319 R0PTRTYPE(uint8_t *) vram_ptrR0;
320
321# if HC_ARCH_BITS == 32
322 uint32_t Padding3;
323# endif
324
325# ifdef VBOX_WITH_VMSVGA
326 VMSVGAState svga;
327# endif
328
329 /** The number of monitors. */
330 uint32_t cMonitors;
331 /** Current refresh timer interval. */
332 uint32_t cMilliesRefreshInterval;
333 /** Bitmap tracking dirty pages. */
334 uint32_t au32DirtyBitmap[VGA_VRAM_MAX / PAGE_SIZE / 32];
335
336 /** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
337 bool fHasDirtyBits;
338 /** LFB was updated flag. */
339 bool fLFBUpdated;
340 /** Indicates if the GC extensions are enabled or not. */
341 bool fGCEnabled;
342 /** Indicates if the R0 extensions are enabled or not. */
343 bool fR0Enabled;
344 /** Flag indicating that the VGA memory in the 0xa0000-0xbffff region has been remapped to allow direct access. */
345 bool fRemappedVGA;
346 /** Whether to render the guest VRAM to the framebuffer memory. False only for some LFB modes. */
347 bool fRenderVRAM;
348# ifdef VBOX_WITH_VMSVGA
349 /* Whether the SVGA emulation is enabled or not. */
350 bool fVMSVGAEnabled;
351 bool Padding4[1+4];
352# else
353 bool Padding4[2+4];
354# endif
355
356 /** Physical access type for the linear frame buffer dirty page tracking. */
357 PGMPHYSHANDLERTYPE hLfbAccessHandlerType;
358
359 /** The physical address the VRAM was assigned. */
360 RTGCPHYS GCPhysVRAM;
361 /** The critical section protect the instance data. */
362 PDMCRITSECT CritSect;
363 /** The PCI device. */
364 PDMPCIDEV Dev;
365
366 STAMPROFILE StatRZMemoryRead;
367 STAMPROFILE StatR3MemoryRead;
368 STAMPROFILE StatRZMemoryWrite;
369 STAMPROFILE StatR3MemoryWrite;
370 STAMCOUNTER StatMapPage; /**< Counts IOMMMIOMapMMIO2Page calls. */
371 STAMCOUNTER StatUpdateDisp; /**< Counts vgaPortUpdateDisplay calls. */
372
373 /* Keep track of ring 0 latched accesses to the VGA MMIO memory. */
374 uint64_t u64LastLatchedAccess;
375 uint32_t cLatchAccesses;
376 uint16_t uMaskLatchAccess;
377 uint16_t iMask;
378
379# ifdef VBE_BYTEWISE_IO
380 /** VBE read/write data/index flags */
381 uint8_t fReadVBEData;
382 uint8_t fWriteVBEData;
383 uint8_t fReadVBEIndex;
384 uint8_t fWriteVBEIndex;
385 /** VBE write data/index one byte buffer */
386 uint8_t cbWriteVBEData;
387 uint8_t cbWriteVBEIndex;
388# ifdef VBE_NEW_DYN_LIST
389 /** VBE Extra Data write address one byte buffer */
390 uint8_t cbWriteVBEExtraAddress;
391 uint8_t Padding5;
392# else
393 uint8_t Padding5[2];
394# endif
395# endif
396
397 /** Retrace emulation state */
398 bool fRealRetrace;
399 bool Padding6[HC_ARCH_BITS == 64 ? 7 : 3];
400 vga_retrace_s retrace_state;
401
402# ifdef VBE_NEW_DYN_LIST
403 /** The VBE BIOS extra data. */
404 R3PTRTYPE(uint8_t *) pbVBEExtraData;
405 /** The size of the VBE BIOS extra data. */
406 uint16_t cbVBEExtraData;
407 /** The VBE BIOS current memory address. */
408 uint16_t u16VBEExtraAddress;
409 uint16_t Padding7[2];
410# endif
411
412 /** The BIOS logo data. */
413 R3PTRTYPE(uint8_t *) pbLogo;
414 /** The name of the logo file. */
415 R3PTRTYPE(char *) pszLogoFile;
416 /** Bitmap image data. */
417 R3PTRTYPE(uint8_t *) pbLogoBitmap;
418 /** Current logo data offset. */
419 uint32_t offLogoData;
420 /** The size of the BIOS logo data. */
421 uint32_t cbLogo;
422 /** Current logo command. */
423 uint16_t LogoCommand;
424 /** Bitmap width. */
425 uint16_t cxLogo;
426 /** Bitmap height. */
427 uint16_t cyLogo;
428 /** Bitmap planes. */
429 uint16_t cLogoPlanes;
430 /** Bitmap depth. */
431 uint16_t cLogoBits;
432 /** Bitmap compression. */
433 uint16_t LogoCompression;
434 /** Bitmap colors used. */
435 uint16_t cLogoUsedColors;
436 /** Palette size. */
437 uint16_t cLogoPalEntries;
438 /** Clear screen flag. */
439 uint8_t fLogoClearScreen;
440 bool fBootMenuInverse;
441 uint8_t Padding8[6];
442 /** Palette data. */
443 uint32_t au32LogoPalette[256];
444
445 /** The VGA BIOS ROM data. */
446 R3PTRTYPE(uint8_t *) pbVgaBios;
447 /** The size of the VGA BIOS ROM. */
448 uint64_t cbVgaBios;
449 /** The name of the VGA BIOS ROM file. */
450 R3PTRTYPE(char *) pszVgaBiosFile;
451# if HC_ARCH_BITS == 32
452 uint32_t Padding9;
453# endif
454
455# ifdef VBOX_WITH_HGSMI
456 /** Base port in the assigned PCI I/O space. */
457 RTIOPORT IOPortBase;
458# ifdef VBOX_WITH_WDDM
459 uint8_t Padding10[2];
460 /** Specifies guest driver caps, i.e. whether it can handle IRQs from the
461 * adapter, the way it can handle async HGSMI command completion, etc. */
462 uint32_t fGuestCaps;
463 uint32_t fScanLineCfg;
464 uint32_t fHostCursorCapabilities;
465# else
466 uint8_t Padding11[14];
467# endif
468
469 /** The critical section serializes the HGSMI IRQ setting/clearing. */
470 PDMCRITSECT CritSectIRQ;
471 /** VBVARaiseIRQ flags which were set when the guest was still processing previous IRQ. */
472 uint32_t fu32PendingGuestFlags;
473 uint32_t Padding12;
474# endif /* VBOX_WITH_HGSMI */
475
476 PDMLED Led3D;
477
478 struct {
479 volatile uint32_t cPending;
480 uint32_t Padding1;
481 union
482 {
483 RTLISTNODE PendingList;
484 /* make sure the structure sized cross different contexts correctly */
485 struct
486 {
487 R3PTRTYPE(void *) dummy1;
488 R3PTRTYPE(void *) dummy2;
489 } dummy;
490 };
491 } pendingVhwaCommands;
492#endif /* VBOX */
493} VGAState;
494#ifdef VBOX
495/** VGA state. */
496typedef VGAState VGASTATE;
497/** Pointer to the VGA state. */
498typedef VGASTATE *PVGASTATE;
499AssertCompileMemberAlignment(VGASTATE, bank_offset, 8);
500AssertCompileMemberAlignment(VGASTATE, font_offsets, 8);
501AssertCompileMemberAlignment(VGASTATE, last_ch_attr, 8);
502AssertCompileMemberAlignment(VGASTATE, u32Marker, 8);
503#endif
504
505#ifdef VBE_NEW_DYN_LIST
506/**
507 * VBE Bios Extra Data structure.
508 * @remark duplicated in vbe.h.
509 */
510typedef struct VBEHeader
511{
512 /** Signature (VBEHEADER_MAGIC). */
513 uint16_t u16Signature;
514 /** Data size. */
515 uint16_t cbData;
516} VBEHeader;
517
518/** VBE Extra Data. */
519typedef VBEHeader VBEHEADER;
520/** Pointer to the VBE Extra Data. */
521typedef VBEHEADER *PVBEHEADER;
522
523/** The value of the VBEHEADER::u16Signature field.
524 * @remark duplicated in vbe.h. */
525#define VBEHEADER_MAGIC 0x77CC
526
527/** The extra port which is used to read the mode list.
528 * @remark duplicated in vbe.h. */
529#define VBE_EXTRA_PORT 0x3b6
530
531/** The extra port which is used for debug printf.
532 * @remark duplicated in vbe.h. */
533#define VBE_PRINTF_PORT 0x3b7
534
535#endif /* VBE_NEW_DYN_LIST */
536
537#if !defined(VBOX) || defined(IN_RING3)
538static inline int c6_to_8(int v)
539{
540 int b;
541 v &= 0x3f;
542 b = v & 1;
543 return (v << 2) | (b << 1) | b;
544}
545#endif /* !VBOX || IN_RING3 */
546
547
548#ifdef VBOX_WITH_HGSMI
549int VBVAInit (PVGASTATE pVGAState);
550void VBVADestroy (PVGASTATE pVGAState);
551int VBVAUpdateDisplay (PVGASTATE pVGAState);
552void VBVAReset (PVGASTATE pVGAState);
553void VBVAPause (PVGASTATE pVGAState, bool fPause);
554void VBVAOnVBEChanged(PVGASTATE pVGAState);
555void VBVAOnResume(PVGASTATE pThis);
556
557bool VBVAIsPaused(PVGASTATE pVGAState);
558bool VBVAIsEnabled(PVGASTATE pVGAState);
559
560void VBVARaiseIrq(PVGASTATE pVGAState, uint32_t fFlags);
561
562int VBVAInfoView(PVGASTATE pVGAState, const VBVAINFOVIEW *pView);
563int VBVAInfoScreen(PVGASTATE pVGAState, const VBVAINFOSCREEN *pScreen);
564int VBVAGetInfoViewAndScreen(PVGASTATE pVGAState, uint32_t u32ViewIndex, VBVAINFOVIEW *pView, VBVAINFOSCREEN *pScreen);
565
566/* @return host-guest flags that were set on reset
567 * this allows the caller to make further cleaning when needed,
568 * e.g. reset the IRQ */
569uint32_t HGSMIReset(PHGSMIINSTANCE pIns);
570
571# ifdef VBOX_WITH_VIDEOHWACCEL
572DECLCALLBACK(int) vbvaVHWACommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd);
573int vbvaVHWAConstruct(PVGASTATE pVGAState);
574int vbvaVHWAReset(PVGASTATE pVGAState);
575
576void vbvaTimerCb(PVGASTATE pVGAState);
577
578int vboxVBVASaveStatePrep(PPDMDEVINS pDevIns);
579int vboxVBVASaveStateDone(PPDMDEVINS pDevIns);
580# endif
581
582#ifdef VBOX_WITH_HGSMI
583#define PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(_pcb) ( (PVGASTATE)((uint8_t *)(_pcb) - RT_OFFSETOF(VGASTATE, IVBVACallbacks)) )
584#endif
585
586# ifdef VBOX_WITH_CRHGSMI
587DECLCALLBACK(int) vboxVDMACrHgsmiCommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface,
588 PVBOXVDMACMD_CHROMIUM_CMD pCmd, int rc);
589DECLCALLBACK(int) vboxVDMACrHgsmiControlCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface,
590 PVBOXVDMACMD_CHROMIUM_CTL pCmd, int rc);
591DECLCALLBACK(int) vboxCmdVBVACmdHostCtl(PPDMIDISPLAYVBVACALLBACKS pInterface,
592 struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd,
593 PFNCRCTLCOMPLETION pfnCompletion,
594 void *pvCompletion);
595DECLCALLBACK(int) vboxCmdVBVACmdHostCtlSync(PPDMIDISPLAYVBVACALLBACKS pInterface,
596 struct VBOXCRCMDCTL* pCmd, uint32_t cbCmd);
597# endif
598
599int vboxVBVASaveStateExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
600int vboxVBVALoadStateExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version);
601int vboxVBVALoadStateDone(PPDMDEVINS pDevIns);
602
603DECLCALLBACK(int) vgaUpdateDisplayAll(PVGASTATE pThis, bool fFailOnResize);
604DECLCALLBACK(int) vbvaPortSendModeHint(PPDMIDISPLAYPORT pInterface, uint32_t cx,
605 uint32_t cy, uint32_t cBPP,
606 uint32_t cDisplay, uint32_t dx,
607 uint32_t dy, uint32_t fEnabled,
608 uint32_t fNotifyGuest);
609DECLCALLBACK(void) vbvaPortReportHostCursorCapabilities(PPDMIDISPLAYPORT pInterface, uint32_t fCapabilitiesAdded,
610 uint32_t fCapabilitiesRemoved);
611DECLCALLBACK(void) vbvaPortReportHostCursorPosition(PPDMIDISPLAYPORT pInterface, uint32_t x, uint32_t y);
612
613# ifdef VBOX_WITH_VDMA
614typedef struct VBOXVDMAHOST *PVBOXVDMAHOST;
615int vboxVDMAConstruct(PVGASTATE pVGAState, uint32_t cPipeElements);
616int vboxVDMADestruct(PVBOXVDMAHOST pVdma);
617int vboxVDMAReset(PVBOXVDMAHOST pVdma);
618void vboxVDMAControl(PVBOXVDMAHOST pVdma, PVBOXVDMA_CTL pCmd, uint32_t cbCmd);
619void vboxVDMACommand(PVBOXVDMAHOST pVdma, PVBOXVDMACBUF_DR pCmd, uint32_t cbCmd);
620int vboxVDMASaveStateExecPrep(struct VBOXVDMAHOST *pVdma);
621int vboxVDMASaveStateExecDone(struct VBOXVDMAHOST *pVdma);
622int vboxVDMASaveStateExecPerform(struct VBOXVDMAHOST *pVdma, PSSMHANDLE pSSM);
623int vboxVDMASaveLoadExecPerform(struct VBOXVDMAHOST *pVdma, PSSMHANDLE pSSM, uint32_t u32Version);
624int vboxVDMASaveLoadDone(struct VBOXVDMAHOST *pVdma);
625# endif /* VBOX_WITH_VDMA */
626
627# ifdef VBOX_WITH_CRHGSMI
628int vboxCmdVBVACmdSubmit(PVGASTATE pVGAState);
629int vboxCmdVBVACmdFlush(PVGASTATE pVGAState);
630void vboxCmdVBVACmdTimer(PVGASTATE pVGAState);
631int vboxCmdVBVACmdCtl(PVGASTATE pVGAState, VBOXCMDVBVA_CTL *pCtl, uint32_t cbCtl);
632bool vboxCmdVBVAIsEnabled(PVGASTATE pVGAState);
633# endif /* VBOX_WITH_CRHGSMI */
634#endif /* VBOX_WITH_HGSMI */
635
636# ifdef VBOX_WITH_VMSVGA
637int vgaR3RegisterVRAMHandler(PVGASTATE pVGAState, uint64_t cbFrameBuffer);
638int vgaR3UnregisterVRAMHandler(PVGASTATE pVGAState);
639int vgaR3UpdateDisplay(PVGASTATE pVGAState, unsigned xStart, unsigned yStart, unsigned width, unsigned height);
640# endif
641
642#ifndef VBOX
643void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
644 unsigned long vga_ram_offset, int vga_ram_size);
645uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
646void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
647void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
648
649void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
650 int poffset, int w,
651 unsigned int color0, unsigned int color1,
652 unsigned int color_xor);
653void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
654 int poffset, int w,
655 unsigned int color0, unsigned int color1,
656 unsigned int color_xor);
657void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
658 int poffset, int w,
659 unsigned int color0, unsigned int color1,
660 unsigned int color_xor);
661
662extern const uint8_t sr_mask[8];
663extern const uint8_t gr_mask[16];
664#endif /* !VBOX */
665
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