xref: /qemu/hw/display/vmware_vga.c (revision 8cb6bfb54e91b1a31a6ae704def595c2099efde1)
1 /*
2  * QEMU VMware-SVGA "chipset".
3  *
4  * Copyright (c) 2007 Andrzej Zaborowski  <balrog@zabor.org>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 #include "hw.h"
25 #include "loader.h"
26 #include "ui/console.h"
27 #include "pci/pci.h"
28 
29 #undef VERBOSE
30 #define HW_RECT_ACCEL
31 #define HW_FILL_ACCEL
32 #define HW_MOUSE_ACCEL
33 
34 #include "vga_int.h"
35 
36 /* See http://vmware-svga.sf.net/ for some documentation on VMWare SVGA */
37 
38 struct vmsvga_state_s {
39     VGACommonState vga;
40 
41     int invalidated;
42     int depth;
43     int bypp;
44     int enable;
45     int config;
46     struct {
47         int id;
48         int x;
49         int y;
50         int on;
51     } cursor;
52 
53     int index;
54     int scratch_size;
55     uint32_t *scratch;
56     int new_width;
57     int new_height;
58     uint32_t guest;
59     uint32_t svgaid;
60     uint32_t wred;
61     uint32_t wgreen;
62     uint32_t wblue;
63     int syncing;
64 
65     MemoryRegion fifo_ram;
66     uint8_t *fifo_ptr;
67     unsigned int fifo_size;
68 
69     union {
70         uint32_t *fifo;
71         struct QEMU_PACKED {
72             uint32_t min;
73             uint32_t max;
74             uint32_t next_cmd;
75             uint32_t stop;
76             /* Add registers here when adding capabilities.  */
77             uint32_t fifo[0];
78         } *cmd;
79     };
80 
81 #define REDRAW_FIFO_LEN  512
82     struct vmsvga_rect_s {
83         int x, y, w, h;
84     } redraw_fifo[REDRAW_FIFO_LEN];
85     int redraw_fifo_first, redraw_fifo_last;
86 };
87 
88 struct pci_vmsvga_state_s {
89     PCIDevice card;
90     struct vmsvga_state_s chip;
91     MemoryRegion io_bar;
92 };
93 
94 #define SVGA_MAGIC              0x900000UL
95 #define SVGA_MAKE_ID(ver)       (SVGA_MAGIC << 8 | (ver))
96 #define SVGA_ID_0               SVGA_MAKE_ID(0)
97 #define SVGA_ID_1               SVGA_MAKE_ID(1)
98 #define SVGA_ID_2               SVGA_MAKE_ID(2)
99 
100 #define SVGA_LEGACY_BASE_PORT   0x4560
101 #define SVGA_INDEX_PORT         0x0
102 #define SVGA_VALUE_PORT         0x1
103 #define SVGA_BIOS_PORT          0x2
104 
105 #define SVGA_VERSION_2
106 
107 #ifdef SVGA_VERSION_2
108 # define SVGA_ID                SVGA_ID_2
109 # define SVGA_IO_BASE           SVGA_LEGACY_BASE_PORT
110 # define SVGA_IO_MUL            1
111 # define SVGA_FIFO_SIZE         0x10000
112 # define SVGA_PCI_DEVICE_ID     PCI_DEVICE_ID_VMWARE_SVGA2
113 #else
114 # define SVGA_ID                SVGA_ID_1
115 # define SVGA_IO_BASE           SVGA_LEGACY_BASE_PORT
116 # define SVGA_IO_MUL            4
117 # define SVGA_FIFO_SIZE         0x10000
118 # define SVGA_PCI_DEVICE_ID     PCI_DEVICE_ID_VMWARE_SVGA
119 #endif
120 
121 enum {
122     /* ID 0, 1 and 2 registers */
123     SVGA_REG_ID = 0,
124     SVGA_REG_ENABLE = 1,
125     SVGA_REG_WIDTH = 2,
126     SVGA_REG_HEIGHT = 3,
127     SVGA_REG_MAX_WIDTH = 4,
128     SVGA_REG_MAX_HEIGHT = 5,
129     SVGA_REG_DEPTH = 6,
130     SVGA_REG_BITS_PER_PIXEL = 7,        /* Current bpp in the guest */
131     SVGA_REG_PSEUDOCOLOR = 8,
132     SVGA_REG_RED_MASK = 9,
133     SVGA_REG_GREEN_MASK = 10,
134     SVGA_REG_BLUE_MASK = 11,
135     SVGA_REG_BYTES_PER_LINE = 12,
136     SVGA_REG_FB_START = 13,
137     SVGA_REG_FB_OFFSET = 14,
138     SVGA_REG_VRAM_SIZE = 15,
139     SVGA_REG_FB_SIZE = 16,
140 
141     /* ID 1 and 2 registers */
142     SVGA_REG_CAPABILITIES = 17,
143     SVGA_REG_MEM_START = 18,            /* Memory for command FIFO */
144     SVGA_REG_MEM_SIZE = 19,
145     SVGA_REG_CONFIG_DONE = 20,          /* Set when memory area configured */
146     SVGA_REG_SYNC = 21,                 /* Write to force synchronization */
147     SVGA_REG_BUSY = 22,                 /* Read to check if sync is done */
148     SVGA_REG_GUEST_ID = 23,             /* Set guest OS identifier */
149     SVGA_REG_CURSOR_ID = 24,            /* ID of cursor */
150     SVGA_REG_CURSOR_X = 25,             /* Set cursor X position */
151     SVGA_REG_CURSOR_Y = 26,             /* Set cursor Y position */
152     SVGA_REG_CURSOR_ON = 27,            /* Turn cursor on/off */
153     SVGA_REG_HOST_BITS_PER_PIXEL = 28,  /* Current bpp in the host */
154     SVGA_REG_SCRATCH_SIZE = 29,         /* Number of scratch registers */
155     SVGA_REG_MEM_REGS = 30,             /* Number of FIFO registers */
156     SVGA_REG_NUM_DISPLAYS = 31,         /* Number of guest displays */
157     SVGA_REG_PITCHLOCK = 32,            /* Fixed pitch for all modes */
158 
159     SVGA_PALETTE_BASE = 1024,           /* Base of SVGA color map */
160     SVGA_PALETTE_END  = SVGA_PALETTE_BASE + 767,
161     SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
162 };
163 
164 #define SVGA_CAP_NONE                   0
165 #define SVGA_CAP_RECT_FILL              (1 << 0)
166 #define SVGA_CAP_RECT_COPY              (1 << 1)
167 #define SVGA_CAP_RECT_PAT_FILL          (1 << 2)
168 #define SVGA_CAP_LEGACY_OFFSCREEN       (1 << 3)
169 #define SVGA_CAP_RASTER_OP              (1 << 4)
170 #define SVGA_CAP_CURSOR                 (1 << 5)
171 #define SVGA_CAP_CURSOR_BYPASS          (1 << 6)
172 #define SVGA_CAP_CURSOR_BYPASS_2        (1 << 7)
173 #define SVGA_CAP_8BIT_EMULATION         (1 << 8)
174 #define SVGA_CAP_ALPHA_CURSOR           (1 << 9)
175 #define SVGA_CAP_GLYPH                  (1 << 10)
176 #define SVGA_CAP_GLYPH_CLIPPING         (1 << 11)
177 #define SVGA_CAP_OFFSCREEN_1            (1 << 12)
178 #define SVGA_CAP_ALPHA_BLEND            (1 << 13)
179 #define SVGA_CAP_3D                     (1 << 14)
180 #define SVGA_CAP_EXTENDED_FIFO          (1 << 15)
181 #define SVGA_CAP_MULTIMON               (1 << 16)
182 #define SVGA_CAP_PITCHLOCK              (1 << 17)
183 
184 /*
185  * FIFO offsets (seen as an array of 32-bit words)
186  */
187 enum {
188     /*
189      * The original defined FIFO offsets
190      */
191     SVGA_FIFO_MIN = 0,
192     SVGA_FIFO_MAX,      /* The distance from MIN to MAX must be at least 10K */
193     SVGA_FIFO_NEXT_CMD,
194     SVGA_FIFO_STOP,
195 
196     /*
197      * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
198      */
199     SVGA_FIFO_CAPABILITIES = 4,
200     SVGA_FIFO_FLAGS,
201     SVGA_FIFO_FENCE,
202     SVGA_FIFO_3D_HWVERSION,
203     SVGA_FIFO_PITCHLOCK,
204 };
205 
206 #define SVGA_FIFO_CAP_NONE              0
207 #define SVGA_FIFO_CAP_FENCE             (1 << 0)
208 #define SVGA_FIFO_CAP_ACCELFRONT        (1 << 1)
209 #define SVGA_FIFO_CAP_PITCHLOCK         (1 << 2)
210 
211 #define SVGA_FIFO_FLAG_NONE             0
212 #define SVGA_FIFO_FLAG_ACCELFRONT       (1 << 0)
213 
214 /* These values can probably be changed arbitrarily.  */
215 #define SVGA_SCRATCH_SIZE               0x8000
216 #define SVGA_MAX_WIDTH                  2360
217 #define SVGA_MAX_HEIGHT                 1770
218 
219 #ifdef VERBOSE
220 # define GUEST_OS_BASE          0x5001
221 static const char *vmsvga_guest_id[] = {
222     [0x00] = "Dos",
223     [0x01] = "Windows 3.1",
224     [0x02] = "Windows 95",
225     [0x03] = "Windows 98",
226     [0x04] = "Windows ME",
227     [0x05] = "Windows NT",
228     [0x06] = "Windows 2000",
229     [0x07] = "Linux",
230     [0x08] = "OS/2",
231     [0x09] = "an unknown OS",
232     [0x0a] = "BSD",
233     [0x0b] = "Whistler",
234     [0x0c] = "an unknown OS",
235     [0x0d] = "an unknown OS",
236     [0x0e] = "an unknown OS",
237     [0x0f] = "an unknown OS",
238     [0x10] = "an unknown OS",
239     [0x11] = "an unknown OS",
240     [0x12] = "an unknown OS",
241     [0x13] = "an unknown OS",
242     [0x14] = "an unknown OS",
243     [0x15] = "Windows 2003",
244 };
245 #endif
246 
247 enum {
248     SVGA_CMD_INVALID_CMD = 0,
249     SVGA_CMD_UPDATE = 1,
250     SVGA_CMD_RECT_FILL = 2,
251     SVGA_CMD_RECT_COPY = 3,
252     SVGA_CMD_DEFINE_BITMAP = 4,
253     SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
254     SVGA_CMD_DEFINE_PIXMAP = 6,
255     SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
256     SVGA_CMD_RECT_BITMAP_FILL = 8,
257     SVGA_CMD_RECT_PIXMAP_FILL = 9,
258     SVGA_CMD_RECT_BITMAP_COPY = 10,
259     SVGA_CMD_RECT_PIXMAP_COPY = 11,
260     SVGA_CMD_FREE_OBJECT = 12,
261     SVGA_CMD_RECT_ROP_FILL = 13,
262     SVGA_CMD_RECT_ROP_COPY = 14,
263     SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
264     SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
265     SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
266     SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
267     SVGA_CMD_DEFINE_CURSOR = 19,
268     SVGA_CMD_DISPLAY_CURSOR = 20,
269     SVGA_CMD_MOVE_CURSOR = 21,
270     SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
271     SVGA_CMD_DRAW_GLYPH = 23,
272     SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
273     SVGA_CMD_UPDATE_VERBOSE = 25,
274     SVGA_CMD_SURFACE_FILL = 26,
275     SVGA_CMD_SURFACE_COPY = 27,
276     SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
277     SVGA_CMD_FRONT_ROP_FILL = 29,
278     SVGA_CMD_FENCE = 30,
279 };
280 
281 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
282 enum {
283     SVGA_CURSOR_ON_HIDE = 0,
284     SVGA_CURSOR_ON_SHOW = 1,
285     SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
286     SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
287 };
288 
289 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
290                 int x, int y, int w, int h)
291 {
292     int line;
293     int bypl;
294     int width;
295     int start;
296     uint8_t *src;
297     uint8_t *dst;
298 
299     if (x < 0) {
300         fprintf(stderr, "%s: update x was < 0 (%d)\n", __func__, x);
301         w += x;
302         x = 0;
303     }
304     if (w < 0) {
305         fprintf(stderr, "%s: update w was < 0 (%d)\n", __func__, w);
306         w = 0;
307     }
308     if (x + w > ds_get_width(s->vga.ds)) {
309         fprintf(stderr, "%s: update width too large x: %d, w: %d\n",
310                 __func__, x, w);
311         x = MIN(x, ds_get_width(s->vga.ds));
312         w = ds_get_width(s->vga.ds) - x;
313     }
314 
315     if (y < 0) {
316         fprintf(stderr, "%s: update y was < 0 (%d)\n",  __func__, y);
317         h += y;
318         y = 0;
319     }
320     if (h < 0) {
321         fprintf(stderr, "%s: update h was < 0 (%d)\n",  __func__, h);
322         h = 0;
323     }
324     if (y + h > ds_get_height(s->vga.ds)) {
325         fprintf(stderr, "%s: update height too large y: %d, h: %d\n",
326                 __func__, y, h);
327         y = MIN(y, ds_get_height(s->vga.ds));
328         h = ds_get_height(s->vga.ds) - y;
329     }
330 
331     bypl = ds_get_linesize(s->vga.ds);
332     width = ds_get_bytes_per_pixel(s->vga.ds) * w;
333     start = ds_get_bytes_per_pixel(s->vga.ds) * x + bypl * y;
334     src = s->vga.vram_ptr + start;
335     dst = ds_get_data(s->vga.ds) + start;
336 
337     for (line = h; line > 0; line--, src += bypl, dst += bypl) {
338         memcpy(dst, src, width);
339     }
340     dpy_gfx_update(s->vga.ds, x, y, w, h);
341 }
342 
343 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
344                 int x, int y, int w, int h)
345 {
346     struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last++];
347 
348     s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
349     rect->x = x;
350     rect->y = y;
351     rect->w = w;
352     rect->h = h;
353 }
354 
355 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
356 {
357     struct vmsvga_rect_s *rect;
358 
359     if (s->invalidated) {
360         s->redraw_fifo_first = s->redraw_fifo_last;
361         return;
362     }
363     /* Overlapping region updates can be optimised out here - if someone
364      * knows a smart algorithm to do that, please share.  */
365     while (s->redraw_fifo_first != s->redraw_fifo_last) {
366         rect = &s->redraw_fifo[s->redraw_fifo_first++];
367         s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
368         vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
369     }
370 }
371 
372 #ifdef HW_RECT_ACCEL
373 static inline void vmsvga_copy_rect(struct vmsvga_state_s *s,
374                 int x0, int y0, int x1, int y1, int w, int h)
375 {
376     uint8_t *vram = s->vga.vram_ptr;
377     int bypl = ds_get_linesize(s->vga.ds);
378     int bypp = ds_get_bytes_per_pixel(s->vga.ds);
379     int width = bypp * w;
380     int line = h;
381     uint8_t *ptr[2];
382 
383     if (y1 > y0) {
384         ptr[0] = vram + bypp * x0 + bypl * (y0 + h - 1);
385         ptr[1] = vram + bypp * x1 + bypl * (y1 + h - 1);
386         for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl) {
387             memmove(ptr[1], ptr[0], width);
388         }
389     } else {
390         ptr[0] = vram + bypp * x0 + bypl * y0;
391         ptr[1] = vram + bypp * x1 + bypl * y1;
392         for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl) {
393             memmove(ptr[1], ptr[0], width);
394         }
395     }
396 
397     vmsvga_update_rect_delayed(s, x1, y1, w, h);
398 }
399 #endif
400 
401 #ifdef HW_FILL_ACCEL
402 static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
403                 uint32_t c, int x, int y, int w, int h)
404 {
405     int bypl = ds_get_linesize(s->vga.ds);
406     int width = ds_get_bytes_per_pixel(s->vga.ds) * w;
407     int line = h;
408     int column;
409     uint8_t *fst;
410     uint8_t *dst;
411     uint8_t *src;
412     uint8_t col[4];
413 
414     col[0] = c;
415     col[1] = c >> 8;
416     col[2] = c >> 16;
417     col[3] = c >> 24;
418 
419     fst = s->vga.vram_ptr + ds_get_bytes_per_pixel(s->vga.ds) * x + bypl * y;
420 
421     if (line--) {
422         dst = fst;
423         src = col;
424         for (column = width; column > 0; column--) {
425             *(dst++) = *(src++);
426             if (src - col == ds_get_bytes_per_pixel(s->vga.ds)) {
427                 src = col;
428             }
429         }
430         dst = fst;
431         for (; line > 0; line--) {
432             dst += bypl;
433             memcpy(dst, fst, width);
434         }
435     }
436 
437     vmsvga_update_rect_delayed(s, x, y, w, h);
438 }
439 #endif
440 
441 struct vmsvga_cursor_definition_s {
442     int width;
443     int height;
444     int id;
445     int bpp;
446     int hot_x;
447     int hot_y;
448     uint32_t mask[1024];
449     uint32_t image[4096];
450 };
451 
452 #define SVGA_BITMAP_SIZE(w, h)          ((((w) + 31) >> 5) * (h))
453 #define SVGA_PIXMAP_SIZE(w, h, bpp)     (((((w) * (bpp)) + 31) >> 5) * (h))
454 
455 #ifdef HW_MOUSE_ACCEL
456 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
457                 struct vmsvga_cursor_definition_s *c)
458 {
459     QEMUCursor *qc;
460     int i, pixels;
461 
462     qc = cursor_alloc(c->width, c->height);
463     qc->hot_x = c->hot_x;
464     qc->hot_y = c->hot_y;
465     switch (c->bpp) {
466     case 1:
467         cursor_set_mono(qc, 0xffffff, 0x000000, (void *)c->image,
468                         1, (void *)c->mask);
469 #ifdef DEBUG
470         cursor_print_ascii_art(qc, "vmware/mono");
471 #endif
472         break;
473     case 32:
474         /* fill alpha channel from mask, set color to zero */
475         cursor_set_mono(qc, 0x000000, 0x000000, (void *)c->mask,
476                         1, (void *)c->mask);
477         /* add in rgb values */
478         pixels = c->width * c->height;
479         for (i = 0; i < pixels; i++) {
480             qc->data[i] |= c->image[i] & 0xffffff;
481         }
482 #ifdef DEBUG
483         cursor_print_ascii_art(qc, "vmware/32bit");
484 #endif
485         break;
486     default:
487         fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n",
488                 __func__, c->bpp);
489         cursor_put(qc);
490         qc = cursor_builtin_left_ptr();
491     }
492 
493     dpy_cursor_define(s->vga.ds, qc);
494     cursor_put(qc);
495 }
496 #endif
497 
498 #define CMD(f)  le32_to_cpu(s->cmd->f)
499 
500 static inline int vmsvga_fifo_length(struct vmsvga_state_s *s)
501 {
502     int num;
503 
504     if (!s->config || !s->enable) {
505         return 0;
506     }
507     num = CMD(next_cmd) - CMD(stop);
508     if (num < 0) {
509         num += CMD(max) - CMD(min);
510     }
511     return num >> 2;
512 }
513 
514 static inline uint32_t vmsvga_fifo_read_raw(struct vmsvga_state_s *s)
515 {
516     uint32_t cmd = s->fifo[CMD(stop) >> 2];
517 
518     s->cmd->stop = cpu_to_le32(CMD(stop) + 4);
519     if (CMD(stop) >= CMD(max)) {
520         s->cmd->stop = s->cmd->min;
521     }
522     return cmd;
523 }
524 
525 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
526 {
527     return le32_to_cpu(vmsvga_fifo_read_raw(s));
528 }
529 
530 static void vmsvga_fifo_run(struct vmsvga_state_s *s)
531 {
532     uint32_t cmd, colour;
533     int args, len;
534     int x, y, dx, dy, width, height;
535     struct vmsvga_cursor_definition_s cursor;
536     uint32_t cmd_start;
537 
538     len = vmsvga_fifo_length(s);
539     while (len > 0) {
540         /* May need to go back to the start of the command if incomplete */
541         cmd_start = s->cmd->stop;
542 
543         switch (cmd = vmsvga_fifo_read(s)) {
544         case SVGA_CMD_UPDATE:
545         case SVGA_CMD_UPDATE_VERBOSE:
546             len -= 5;
547             if (len < 0) {
548                 goto rewind;
549             }
550 
551             x = vmsvga_fifo_read(s);
552             y = vmsvga_fifo_read(s);
553             width = vmsvga_fifo_read(s);
554             height = vmsvga_fifo_read(s);
555             vmsvga_update_rect_delayed(s, x, y, width, height);
556             break;
557 
558         case SVGA_CMD_RECT_FILL:
559             len -= 6;
560             if (len < 0) {
561                 goto rewind;
562             }
563 
564             colour = vmsvga_fifo_read(s);
565             x = vmsvga_fifo_read(s);
566             y = vmsvga_fifo_read(s);
567             width = vmsvga_fifo_read(s);
568             height = vmsvga_fifo_read(s);
569 #ifdef HW_FILL_ACCEL
570             vmsvga_fill_rect(s, colour, x, y, width, height);
571             break;
572 #else
573             args = 0;
574             goto badcmd;
575 #endif
576 
577         case SVGA_CMD_RECT_COPY:
578             len -= 7;
579             if (len < 0) {
580                 goto rewind;
581             }
582 
583             x = vmsvga_fifo_read(s);
584             y = vmsvga_fifo_read(s);
585             dx = vmsvga_fifo_read(s);
586             dy = vmsvga_fifo_read(s);
587             width = vmsvga_fifo_read(s);
588             height = vmsvga_fifo_read(s);
589 #ifdef HW_RECT_ACCEL
590             vmsvga_copy_rect(s, x, y, dx, dy, width, height);
591             break;
592 #else
593             args = 0;
594             goto badcmd;
595 #endif
596 
597         case SVGA_CMD_DEFINE_CURSOR:
598             len -= 8;
599             if (len < 0) {
600                 goto rewind;
601             }
602 
603             cursor.id = vmsvga_fifo_read(s);
604             cursor.hot_x = vmsvga_fifo_read(s);
605             cursor.hot_y = vmsvga_fifo_read(s);
606             cursor.width = x = vmsvga_fifo_read(s);
607             cursor.height = y = vmsvga_fifo_read(s);
608             vmsvga_fifo_read(s);
609             cursor.bpp = vmsvga_fifo_read(s);
610 
611             args = SVGA_BITMAP_SIZE(x, y) + SVGA_PIXMAP_SIZE(x, y, cursor.bpp);
612             if (SVGA_BITMAP_SIZE(x, y) > sizeof cursor.mask ||
613                 SVGA_PIXMAP_SIZE(x, y, cursor.bpp) > sizeof cursor.image) {
614                     goto badcmd;
615             }
616 
617             len -= args;
618             if (len < 0) {
619                 goto rewind;
620             }
621 
622             for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args++) {
623                 cursor.mask[args] = vmsvga_fifo_read_raw(s);
624             }
625             for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args++) {
626                 cursor.image[args] = vmsvga_fifo_read_raw(s);
627             }
628 #ifdef HW_MOUSE_ACCEL
629             vmsvga_cursor_define(s, &cursor);
630             break;
631 #else
632             args = 0;
633             goto badcmd;
634 #endif
635 
636         /*
637          * Other commands that we at least know the number of arguments
638          * for so we can avoid FIFO desync if driver uses them illegally.
639          */
640         case SVGA_CMD_DEFINE_ALPHA_CURSOR:
641             len -= 6;
642             if (len < 0) {
643                 goto rewind;
644             }
645             vmsvga_fifo_read(s);
646             vmsvga_fifo_read(s);
647             vmsvga_fifo_read(s);
648             x = vmsvga_fifo_read(s);
649             y = vmsvga_fifo_read(s);
650             args = x * y;
651             goto badcmd;
652         case SVGA_CMD_RECT_ROP_FILL:
653             args = 6;
654             goto badcmd;
655         case SVGA_CMD_RECT_ROP_COPY:
656             args = 7;
657             goto badcmd;
658         case SVGA_CMD_DRAW_GLYPH_CLIPPED:
659             len -= 4;
660             if (len < 0) {
661                 goto rewind;
662             }
663             vmsvga_fifo_read(s);
664             vmsvga_fifo_read(s);
665             args = 7 + (vmsvga_fifo_read(s) >> 2);
666             goto badcmd;
667         case SVGA_CMD_SURFACE_ALPHA_BLEND:
668             args = 12;
669             goto badcmd;
670 
671         /*
672          * Other commands that are not listed as depending on any
673          * CAPABILITIES bits, but are not described in the README either.
674          */
675         case SVGA_CMD_SURFACE_FILL:
676         case SVGA_CMD_SURFACE_COPY:
677         case SVGA_CMD_FRONT_ROP_FILL:
678         case SVGA_CMD_FENCE:
679         case SVGA_CMD_INVALID_CMD:
680             break; /* Nop */
681 
682         default:
683             args = 0;
684         badcmd:
685             len -= args;
686             if (len < 0) {
687                 goto rewind;
688             }
689             while (args--) {
690                 vmsvga_fifo_read(s);
691             }
692             printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
693                    __func__, cmd);
694             break;
695 
696         rewind:
697             s->cmd->stop = cmd_start;
698             break;
699         }
700     }
701 
702     s->syncing = 0;
703 }
704 
705 static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
706 {
707     struct vmsvga_state_s *s = opaque;
708 
709     return s->index;
710 }
711 
712 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
713 {
714     struct vmsvga_state_s *s = opaque;
715 
716     s->index = index;
717 }
718 
719 static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
720 {
721     uint32_t caps;
722     struct vmsvga_state_s *s = opaque;
723 
724     switch (s->index) {
725     case SVGA_REG_ID:
726         return s->svgaid;
727 
728     case SVGA_REG_ENABLE:
729         return s->enable;
730 
731     case SVGA_REG_WIDTH:
732         return ds_get_width(s->vga.ds);
733 
734     case SVGA_REG_HEIGHT:
735         return ds_get_height(s->vga.ds);
736 
737     case SVGA_REG_MAX_WIDTH:
738         return SVGA_MAX_WIDTH;
739 
740     case SVGA_REG_MAX_HEIGHT:
741         return SVGA_MAX_HEIGHT;
742 
743     case SVGA_REG_DEPTH:
744         return s->depth;
745 
746     case SVGA_REG_BITS_PER_PIXEL:
747         return (s->depth + 7) & ~7;
748 
749     case SVGA_REG_PSEUDOCOLOR:
750         return 0x0;
751 
752     case SVGA_REG_RED_MASK:
753         return s->wred;
754 
755     case SVGA_REG_GREEN_MASK:
756         return s->wgreen;
757 
758     case SVGA_REG_BLUE_MASK:
759         return s->wblue;
760 
761     case SVGA_REG_BYTES_PER_LINE:
762         return s->bypp * s->new_width;
763 
764     case SVGA_REG_FB_START: {
765         struct pci_vmsvga_state_s *pci_vmsvga
766             = container_of(s, struct pci_vmsvga_state_s, chip);
767         return pci_get_bar_addr(&pci_vmsvga->card, 1);
768     }
769 
770     case SVGA_REG_FB_OFFSET:
771         return 0x0;
772 
773     case SVGA_REG_VRAM_SIZE:
774         return s->vga.vram_size; /* No physical VRAM besides the framebuffer */
775 
776     case SVGA_REG_FB_SIZE:
777         return s->vga.vram_size;
778 
779     case SVGA_REG_CAPABILITIES:
780         caps = SVGA_CAP_NONE;
781 #ifdef HW_RECT_ACCEL
782         caps |= SVGA_CAP_RECT_COPY;
783 #endif
784 #ifdef HW_FILL_ACCEL
785         caps |= SVGA_CAP_RECT_FILL;
786 #endif
787 #ifdef HW_MOUSE_ACCEL
788         if (dpy_cursor_define_supported(s->vga.ds)) {
789             caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
790                     SVGA_CAP_CURSOR_BYPASS;
791         }
792 #endif
793         return caps;
794 
795     case SVGA_REG_MEM_START: {
796         struct pci_vmsvga_state_s *pci_vmsvga
797             = container_of(s, struct pci_vmsvga_state_s, chip);
798         return pci_get_bar_addr(&pci_vmsvga->card, 2);
799     }
800 
801     case SVGA_REG_MEM_SIZE:
802         return s->fifo_size;
803 
804     case SVGA_REG_CONFIG_DONE:
805         return s->config;
806 
807     case SVGA_REG_SYNC:
808     case SVGA_REG_BUSY:
809         return s->syncing;
810 
811     case SVGA_REG_GUEST_ID:
812         return s->guest;
813 
814     case SVGA_REG_CURSOR_ID:
815         return s->cursor.id;
816 
817     case SVGA_REG_CURSOR_X:
818         return s->cursor.x;
819 
820     case SVGA_REG_CURSOR_Y:
821         return s->cursor.x;
822 
823     case SVGA_REG_CURSOR_ON:
824         return s->cursor.on;
825 
826     case SVGA_REG_HOST_BITS_PER_PIXEL:
827         return (s->depth + 7) & ~7;
828 
829     case SVGA_REG_SCRATCH_SIZE:
830         return s->scratch_size;
831 
832     case SVGA_REG_MEM_REGS:
833     case SVGA_REG_NUM_DISPLAYS:
834     case SVGA_REG_PITCHLOCK:
835     case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
836         return 0;
837 
838     default:
839         if (s->index >= SVGA_SCRATCH_BASE &&
840             s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
841             return s->scratch[s->index - SVGA_SCRATCH_BASE];
842         }
843         printf("%s: Bad register %02x\n", __func__, s->index);
844     }
845 
846     return 0;
847 }
848 
849 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
850 {
851     struct vmsvga_state_s *s = opaque;
852 
853     switch (s->index) {
854     case SVGA_REG_ID:
855         if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0) {
856             s->svgaid = value;
857         }
858         break;
859 
860     case SVGA_REG_ENABLE:
861         s->enable = !!value;
862         s->invalidated = 1;
863         s->vga.invalidate(&s->vga);
864         if (s->enable && s->config) {
865             vga_dirty_log_stop(&s->vga);
866         } else {
867             vga_dirty_log_start(&s->vga);
868         }
869         break;
870 
871     case SVGA_REG_WIDTH:
872         if (value <= SVGA_MAX_WIDTH) {
873             s->new_width = value;
874             s->invalidated = 1;
875         } else {
876             printf("%s: Bad width: %i\n", __func__, value);
877         }
878         break;
879 
880     case SVGA_REG_HEIGHT:
881         if (value <= SVGA_MAX_HEIGHT) {
882             s->new_height = value;
883             s->invalidated = 1;
884         } else {
885             printf("%s: Bad height: %i\n", __func__, value);
886         }
887         break;
888 
889     case SVGA_REG_BITS_PER_PIXEL:
890         if (value != s->depth) {
891             printf("%s: Bad bits per pixel: %i bits\n", __func__, value);
892             s->config = 0;
893         }
894         break;
895 
896     case SVGA_REG_CONFIG_DONE:
897         if (value) {
898             s->fifo = (uint32_t *) s->fifo_ptr;
899             /* Check range and alignment.  */
900             if ((CMD(min) | CMD(max) | CMD(next_cmd) | CMD(stop)) & 3) {
901                 break;
902             }
903             if (CMD(min) < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo) {
904                 break;
905             }
906             if (CMD(max) > SVGA_FIFO_SIZE) {
907                 break;
908             }
909             if (CMD(max) < CMD(min) + 10 * 1024) {
910                 break;
911             }
912             vga_dirty_log_stop(&s->vga);
913         }
914         s->config = !!value;
915         break;
916 
917     case SVGA_REG_SYNC:
918         s->syncing = 1;
919         vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
920         break;
921 
922     case SVGA_REG_GUEST_ID:
923         s->guest = value;
924 #ifdef VERBOSE
925         if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
926             ARRAY_SIZE(vmsvga_guest_id)) {
927             printf("%s: guest runs %s.\n", __func__,
928                    vmsvga_guest_id[value - GUEST_OS_BASE]);
929         }
930 #endif
931         break;
932 
933     case SVGA_REG_CURSOR_ID:
934         s->cursor.id = value;
935         break;
936 
937     case SVGA_REG_CURSOR_X:
938         s->cursor.x = value;
939         break;
940 
941     case SVGA_REG_CURSOR_Y:
942         s->cursor.y = value;
943         break;
944 
945     case SVGA_REG_CURSOR_ON:
946         s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
947         s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
948 #ifdef HW_MOUSE_ACCEL
949         if (value <= SVGA_CURSOR_ON_SHOW) {
950             dpy_mouse_set(s->vga.ds, s->cursor.x, s->cursor.y, s->cursor.on);
951         }
952 #endif
953         break;
954 
955     case SVGA_REG_DEPTH:
956     case SVGA_REG_MEM_REGS:
957     case SVGA_REG_NUM_DISPLAYS:
958     case SVGA_REG_PITCHLOCK:
959     case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
960         break;
961 
962     default:
963         if (s->index >= SVGA_SCRATCH_BASE &&
964                 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
965             s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
966             break;
967         }
968         printf("%s: Bad register %02x\n", __func__, s->index);
969     }
970 }
971 
972 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
973 {
974     printf("%s: what are we supposed to return?\n", __func__);
975     return 0xcafe;
976 }
977 
978 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
979 {
980     printf("%s: what are we supposed to do with (%08x)?\n", __func__, data);
981 }
982 
983 static inline void vmsvga_check_size(struct vmsvga_state_s *s)
984 {
985     if (s->new_width != ds_get_width(s->vga.ds) ||
986         s->new_height != ds_get_height(s->vga.ds)) {
987         qemu_console_resize(s->vga.ds, s->new_width, s->new_height);
988         s->invalidated = 1;
989     }
990 }
991 
992 static void vmsvga_update_display(void *opaque)
993 {
994     struct vmsvga_state_s *s = opaque;
995     bool dirty = false;
996 
997     if (!s->enable) {
998         s->vga.update(&s->vga);
999         return;
1000     }
1001 
1002     vmsvga_check_size(s);
1003 
1004     vmsvga_fifo_run(s);
1005     vmsvga_update_rect_flush(s);
1006 
1007     /*
1008      * Is it more efficient to look at vram VGA-dirty bits or wait
1009      * for the driver to issue SVGA_CMD_UPDATE?
1010      */
1011     if (memory_region_is_logging(&s->vga.vram)) {
1012         vga_sync_dirty_bitmap(&s->vga);
1013         dirty = memory_region_get_dirty(&s->vga.vram, 0,
1014             ds_get_linesize(s->vga.ds) * ds_get_height(s->vga.ds),
1015             DIRTY_MEMORY_VGA);
1016     }
1017     if (s->invalidated || dirty) {
1018         s->invalidated = 0;
1019         memcpy(ds_get_data(s->vga.ds), s->vga.vram_ptr,
1020                ds_get_linesize(s->vga.ds) * ds_get_height(s->vga.ds));
1021         dpy_gfx_update(s->vga.ds, 0, 0,
1022                    ds_get_width(s->vga.ds), ds_get_height(s->vga.ds));
1023     }
1024     if (dirty) {
1025         memory_region_reset_dirty(&s->vga.vram, 0,
1026             ds_get_linesize(s->vga.ds) * ds_get_height(s->vga.ds),
1027             DIRTY_MEMORY_VGA);
1028     }
1029 }
1030 
1031 static void vmsvga_reset(DeviceState *dev)
1032 {
1033     struct pci_vmsvga_state_s *pci =
1034         DO_UPCAST(struct pci_vmsvga_state_s, card.qdev, dev);
1035     struct vmsvga_state_s *s = &pci->chip;
1036 
1037     s->index = 0;
1038     s->enable = 0;
1039     s->config = 0;
1040     s->svgaid = SVGA_ID;
1041     s->cursor.on = 0;
1042     s->redraw_fifo_first = 0;
1043     s->redraw_fifo_last = 0;
1044     s->syncing = 0;
1045 
1046     vga_dirty_log_start(&s->vga);
1047 }
1048 
1049 static void vmsvga_invalidate_display(void *opaque)
1050 {
1051     struct vmsvga_state_s *s = opaque;
1052     if (!s->enable) {
1053         s->vga.invalidate(&s->vga);
1054         return;
1055     }
1056 
1057     s->invalidated = 1;
1058 }
1059 
1060 /* save the vga display in a PPM image even if no display is
1061    available */
1062 static void vmsvga_screen_dump(void *opaque, const char *filename, bool cswitch,
1063                                Error **errp)
1064 {
1065     struct vmsvga_state_s *s = opaque;
1066     if (!s->enable) {
1067         s->vga.screen_dump(&s->vga, filename, cswitch, errp);
1068         return;
1069     }
1070 
1071     if (ds_get_bits_per_pixel(s->vga.ds) == 32) {
1072         DisplaySurface *ds = qemu_create_displaysurface_from(
1073                                  ds_get_width(s->vga.ds),
1074                                  ds_get_height(s->vga.ds),
1075                                  32,
1076                                  ds_get_linesize(s->vga.ds),
1077                                  s->vga.vram_ptr);
1078         ppm_save(filename, ds, errp);
1079         g_free(ds);
1080     }
1081 }
1082 
1083 static void vmsvga_text_update(void *opaque, console_ch_t *chardata)
1084 {
1085     struct vmsvga_state_s *s = opaque;
1086 
1087     if (s->vga.text_update) {
1088         s->vga.text_update(&s->vga, chardata);
1089     }
1090 }
1091 
1092 static int vmsvga_post_load(void *opaque, int version_id)
1093 {
1094     struct vmsvga_state_s *s = opaque;
1095 
1096     s->invalidated = 1;
1097     if (s->config) {
1098         s->fifo = (uint32_t *) s->fifo_ptr;
1099     }
1100     return 0;
1101 }
1102 
1103 static const VMStateDescription vmstate_vmware_vga_internal = {
1104     .name = "vmware_vga_internal",
1105     .version_id = 0,
1106     .minimum_version_id = 0,
1107     .minimum_version_id_old = 0,
1108     .post_load = vmsvga_post_load,
1109     .fields      = (VMStateField[]) {
1110         VMSTATE_INT32_EQUAL(depth, struct vmsvga_state_s),
1111         VMSTATE_INT32(enable, struct vmsvga_state_s),
1112         VMSTATE_INT32(config, struct vmsvga_state_s),
1113         VMSTATE_INT32(cursor.id, struct vmsvga_state_s),
1114         VMSTATE_INT32(cursor.x, struct vmsvga_state_s),
1115         VMSTATE_INT32(cursor.y, struct vmsvga_state_s),
1116         VMSTATE_INT32(cursor.on, struct vmsvga_state_s),
1117         VMSTATE_INT32(index, struct vmsvga_state_s),
1118         VMSTATE_VARRAY_INT32(scratch, struct vmsvga_state_s,
1119                              scratch_size, 0, vmstate_info_uint32, uint32_t),
1120         VMSTATE_INT32(new_width, struct vmsvga_state_s),
1121         VMSTATE_INT32(new_height, struct vmsvga_state_s),
1122         VMSTATE_UINT32(guest, struct vmsvga_state_s),
1123         VMSTATE_UINT32(svgaid, struct vmsvga_state_s),
1124         VMSTATE_INT32(syncing, struct vmsvga_state_s),
1125         VMSTATE_UNUSED(4), /* was fb_size */
1126         VMSTATE_END_OF_LIST()
1127     }
1128 };
1129 
1130 static const VMStateDescription vmstate_vmware_vga = {
1131     .name = "vmware_vga",
1132     .version_id = 0,
1133     .minimum_version_id = 0,
1134     .minimum_version_id_old = 0,
1135     .fields      = (VMStateField[]) {
1136         VMSTATE_PCI_DEVICE(card, struct pci_vmsvga_state_s),
1137         VMSTATE_STRUCT(chip, struct pci_vmsvga_state_s, 0,
1138                        vmstate_vmware_vga_internal, struct vmsvga_state_s),
1139         VMSTATE_END_OF_LIST()
1140     }
1141 };
1142 
1143 static void vmsvga_init(struct vmsvga_state_s *s,
1144                         MemoryRegion *address_space, MemoryRegion *io)
1145 {
1146     s->scratch_size = SVGA_SCRATCH_SIZE;
1147     s->scratch = g_malloc(s->scratch_size * 4);
1148 
1149     s->vga.ds = graphic_console_init(vmsvga_update_display,
1150                                      vmsvga_invalidate_display,
1151                                      vmsvga_screen_dump,
1152                                      vmsvga_text_update, s);
1153 
1154 
1155     s->fifo_size = SVGA_FIFO_SIZE;
1156     memory_region_init_ram(&s->fifo_ram, "vmsvga.fifo", s->fifo_size);
1157     vmstate_register_ram_global(&s->fifo_ram);
1158     s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
1159 
1160     vga_common_init(&s->vga);
1161     vga_init(&s->vga, address_space, io, true);
1162     vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
1163     /* Save some values here in case they are changed later.
1164      * This is suspicious and needs more though why it is needed. */
1165     s->depth = ds_get_bits_per_pixel(s->vga.ds);
1166     s->bypp = ds_get_bytes_per_pixel(s->vga.ds);
1167     s->wred = ds_get_rmask(s->vga.ds);
1168     s->wgreen = ds_get_gmask(s->vga.ds);
1169     s->wblue = ds_get_bmask(s->vga.ds);
1170 }
1171 
1172 static uint64_t vmsvga_io_read(void *opaque, hwaddr addr, unsigned size)
1173 {
1174     struct vmsvga_state_s *s = opaque;
1175 
1176     switch (addr) {
1177     case SVGA_IO_MUL * SVGA_INDEX_PORT: return vmsvga_index_read(s, addr);
1178     case SVGA_IO_MUL * SVGA_VALUE_PORT: return vmsvga_value_read(s, addr);
1179     case SVGA_IO_MUL * SVGA_BIOS_PORT: return vmsvga_bios_read(s, addr);
1180     default: return -1u;
1181     }
1182 }
1183 
1184 static void vmsvga_io_write(void *opaque, hwaddr addr,
1185                             uint64_t data, unsigned size)
1186 {
1187     struct vmsvga_state_s *s = opaque;
1188 
1189     switch (addr) {
1190     case SVGA_IO_MUL * SVGA_INDEX_PORT:
1191         vmsvga_index_write(s, addr, data);
1192         break;
1193     case SVGA_IO_MUL * SVGA_VALUE_PORT:
1194         vmsvga_value_write(s, addr, data);
1195         break;
1196     case SVGA_IO_MUL * SVGA_BIOS_PORT:
1197         vmsvga_bios_write(s, addr, data);
1198         break;
1199     }
1200 }
1201 
1202 static const MemoryRegionOps vmsvga_io_ops = {
1203     .read = vmsvga_io_read,
1204     .write = vmsvga_io_write,
1205     .endianness = DEVICE_LITTLE_ENDIAN,
1206     .valid = {
1207         .min_access_size = 4,
1208         .max_access_size = 4,
1209     },
1210 };
1211 
1212 static int pci_vmsvga_initfn(PCIDevice *dev)
1213 {
1214     struct pci_vmsvga_state_s *s =
1215         DO_UPCAST(struct pci_vmsvga_state_s, card, dev);
1216 
1217     s->card.config[PCI_CACHE_LINE_SIZE] = 0x08;         /* Cache line size */
1218     s->card.config[PCI_LATENCY_TIMER] = 0x40;           /* Latency timer */
1219     s->card.config[PCI_INTERRUPT_LINE] = 0xff;          /* End */
1220 
1221     memory_region_init_io(&s->io_bar, &vmsvga_io_ops, &s->chip,
1222                           "vmsvga-io", 0x10);
1223     memory_region_set_flush_coalesced(&s->io_bar);
1224     pci_register_bar(&s->card, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
1225 
1226     vmsvga_init(&s->chip, pci_address_space(dev), pci_address_space_io(dev));
1227 
1228     pci_register_bar(&s->card, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
1229                      &s->chip.vga.vram);
1230     pci_register_bar(&s->card, 2, PCI_BASE_ADDRESS_MEM_PREFETCH,
1231                      &s->chip.fifo_ram);
1232 
1233     if (!dev->rom_bar) {
1234         /* compatibility with pc-0.13 and older */
1235         vga_init_vbe(&s->chip.vga, pci_address_space(dev));
1236     }
1237 
1238     return 0;
1239 }
1240 
1241 static Property vga_vmware_properties[] = {
1242     DEFINE_PROP_UINT32("vgamem_mb", struct pci_vmsvga_state_s,
1243                        chip.vga.vram_size_mb, 16),
1244     DEFINE_PROP_END_OF_LIST(),
1245 };
1246 
1247 static void vmsvga_class_init(ObjectClass *klass, void *data)
1248 {
1249     DeviceClass *dc = DEVICE_CLASS(klass);
1250     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1251 
1252     k->no_hotplug = 1;
1253     k->init = pci_vmsvga_initfn;
1254     k->romfile = "vgabios-vmware.bin";
1255     k->vendor_id = PCI_VENDOR_ID_VMWARE;
1256     k->device_id = SVGA_PCI_DEVICE_ID;
1257     k->class_id = PCI_CLASS_DISPLAY_VGA;
1258     k->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE;
1259     k->subsystem_id = SVGA_PCI_DEVICE_ID;
1260     dc->reset = vmsvga_reset;
1261     dc->vmsd = &vmstate_vmware_vga;
1262     dc->props = vga_vmware_properties;
1263 }
1264 
1265 static const TypeInfo vmsvga_info = {
1266     .name          = "vmware-svga",
1267     .parent        = TYPE_PCI_DEVICE,
1268     .instance_size = sizeof(struct pci_vmsvga_state_s),
1269     .class_init    = vmsvga_class_init,
1270 };
1271 
1272 static void vmsvga_register_types(void)
1273 {
1274     type_register_static(&vmsvga_info);
1275 }
1276 
1277 type_init(vmsvga_register_types)
1278