xref: /openbmc/qemu/hw/display/vmware_vga.c (revision 49ab747f)
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/hw.h"
25 #include "hw/loader.h"
26 #include "ui/console.h"
27 #include "hw/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 "hw/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     int syncing;
61 
62     MemoryRegion fifo_ram;
63     uint8_t *fifo_ptr;
64     unsigned int fifo_size;
65 
66     union {
67         uint32_t *fifo;
68         struct QEMU_PACKED {
69             uint32_t min;
70             uint32_t max;
71             uint32_t next_cmd;
72             uint32_t stop;
73             /* Add registers here when adding capabilities.  */
74             uint32_t fifo[0];
75         } *cmd;
76     };
77 
78 #define REDRAW_FIFO_LEN  512
79     struct vmsvga_rect_s {
80         int x, y, w, h;
81     } redraw_fifo[REDRAW_FIFO_LEN];
82     int redraw_fifo_first, redraw_fifo_last;
83 };
84 
85 struct pci_vmsvga_state_s {
86     PCIDevice card;
87     struct vmsvga_state_s chip;
88     MemoryRegion io_bar;
89 };
90 
91 #define SVGA_MAGIC              0x900000UL
92 #define SVGA_MAKE_ID(ver)       (SVGA_MAGIC << 8 | (ver))
93 #define SVGA_ID_0               SVGA_MAKE_ID(0)
94 #define SVGA_ID_1               SVGA_MAKE_ID(1)
95 #define SVGA_ID_2               SVGA_MAKE_ID(2)
96 
97 #define SVGA_LEGACY_BASE_PORT   0x4560
98 #define SVGA_INDEX_PORT         0x0
99 #define SVGA_VALUE_PORT         0x1
100 #define SVGA_BIOS_PORT          0x2
101 
102 #define SVGA_VERSION_2
103 
104 #ifdef SVGA_VERSION_2
105 # define SVGA_ID                SVGA_ID_2
106 # define SVGA_IO_BASE           SVGA_LEGACY_BASE_PORT
107 # define SVGA_IO_MUL            1
108 # define SVGA_FIFO_SIZE         0x10000
109 # define SVGA_PCI_DEVICE_ID     PCI_DEVICE_ID_VMWARE_SVGA2
110 #else
111 # define SVGA_ID                SVGA_ID_1
112 # define SVGA_IO_BASE           SVGA_LEGACY_BASE_PORT
113 # define SVGA_IO_MUL            4
114 # define SVGA_FIFO_SIZE         0x10000
115 # define SVGA_PCI_DEVICE_ID     PCI_DEVICE_ID_VMWARE_SVGA
116 #endif
117 
118 enum {
119     /* ID 0, 1 and 2 registers */
120     SVGA_REG_ID = 0,
121     SVGA_REG_ENABLE = 1,
122     SVGA_REG_WIDTH = 2,
123     SVGA_REG_HEIGHT = 3,
124     SVGA_REG_MAX_WIDTH = 4,
125     SVGA_REG_MAX_HEIGHT = 5,
126     SVGA_REG_DEPTH = 6,
127     SVGA_REG_BITS_PER_PIXEL = 7,        /* Current bpp in the guest */
128     SVGA_REG_PSEUDOCOLOR = 8,
129     SVGA_REG_RED_MASK = 9,
130     SVGA_REG_GREEN_MASK = 10,
131     SVGA_REG_BLUE_MASK = 11,
132     SVGA_REG_BYTES_PER_LINE = 12,
133     SVGA_REG_FB_START = 13,
134     SVGA_REG_FB_OFFSET = 14,
135     SVGA_REG_VRAM_SIZE = 15,
136     SVGA_REG_FB_SIZE = 16,
137 
138     /* ID 1 and 2 registers */
139     SVGA_REG_CAPABILITIES = 17,
140     SVGA_REG_MEM_START = 18,            /* Memory for command FIFO */
141     SVGA_REG_MEM_SIZE = 19,
142     SVGA_REG_CONFIG_DONE = 20,          /* Set when memory area configured */
143     SVGA_REG_SYNC = 21,                 /* Write to force synchronization */
144     SVGA_REG_BUSY = 22,                 /* Read to check if sync is done */
145     SVGA_REG_GUEST_ID = 23,             /* Set guest OS identifier */
146     SVGA_REG_CURSOR_ID = 24,            /* ID of cursor */
147     SVGA_REG_CURSOR_X = 25,             /* Set cursor X position */
148     SVGA_REG_CURSOR_Y = 26,             /* Set cursor Y position */
149     SVGA_REG_CURSOR_ON = 27,            /* Turn cursor on/off */
150     SVGA_REG_HOST_BITS_PER_PIXEL = 28,  /* Current bpp in the host */
151     SVGA_REG_SCRATCH_SIZE = 29,         /* Number of scratch registers */
152     SVGA_REG_MEM_REGS = 30,             /* Number of FIFO registers */
153     SVGA_REG_NUM_DISPLAYS = 31,         /* Number of guest displays */
154     SVGA_REG_PITCHLOCK = 32,            /* Fixed pitch for all modes */
155 
156     SVGA_PALETTE_BASE = 1024,           /* Base of SVGA color map */
157     SVGA_PALETTE_END  = SVGA_PALETTE_BASE + 767,
158     SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
159 };
160 
161 #define SVGA_CAP_NONE                   0
162 #define SVGA_CAP_RECT_FILL              (1 << 0)
163 #define SVGA_CAP_RECT_COPY              (1 << 1)
164 #define SVGA_CAP_RECT_PAT_FILL          (1 << 2)
165 #define SVGA_CAP_LEGACY_OFFSCREEN       (1 << 3)
166 #define SVGA_CAP_RASTER_OP              (1 << 4)
167 #define SVGA_CAP_CURSOR                 (1 << 5)
168 #define SVGA_CAP_CURSOR_BYPASS          (1 << 6)
169 #define SVGA_CAP_CURSOR_BYPASS_2        (1 << 7)
170 #define SVGA_CAP_8BIT_EMULATION         (1 << 8)
171 #define SVGA_CAP_ALPHA_CURSOR           (1 << 9)
172 #define SVGA_CAP_GLYPH                  (1 << 10)
173 #define SVGA_CAP_GLYPH_CLIPPING         (1 << 11)
174 #define SVGA_CAP_OFFSCREEN_1            (1 << 12)
175 #define SVGA_CAP_ALPHA_BLEND            (1 << 13)
176 #define SVGA_CAP_3D                     (1 << 14)
177 #define SVGA_CAP_EXTENDED_FIFO          (1 << 15)
178 #define SVGA_CAP_MULTIMON               (1 << 16)
179 #define SVGA_CAP_PITCHLOCK              (1 << 17)
180 
181 /*
182  * FIFO offsets (seen as an array of 32-bit words)
183  */
184 enum {
185     /*
186      * The original defined FIFO offsets
187      */
188     SVGA_FIFO_MIN = 0,
189     SVGA_FIFO_MAX,      /* The distance from MIN to MAX must be at least 10K */
190     SVGA_FIFO_NEXT_CMD,
191     SVGA_FIFO_STOP,
192 
193     /*
194      * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
195      */
196     SVGA_FIFO_CAPABILITIES = 4,
197     SVGA_FIFO_FLAGS,
198     SVGA_FIFO_FENCE,
199     SVGA_FIFO_3D_HWVERSION,
200     SVGA_FIFO_PITCHLOCK,
201 };
202 
203 #define SVGA_FIFO_CAP_NONE              0
204 #define SVGA_FIFO_CAP_FENCE             (1 << 0)
205 #define SVGA_FIFO_CAP_ACCELFRONT        (1 << 1)
206 #define SVGA_FIFO_CAP_PITCHLOCK         (1 << 2)
207 
208 #define SVGA_FIFO_FLAG_NONE             0
209 #define SVGA_FIFO_FLAG_ACCELFRONT       (1 << 0)
210 
211 /* These values can probably be changed arbitrarily.  */
212 #define SVGA_SCRATCH_SIZE               0x8000
213 #define SVGA_MAX_WIDTH                  2360
214 #define SVGA_MAX_HEIGHT                 1770
215 
216 #ifdef VERBOSE
217 # define GUEST_OS_BASE          0x5001
218 static const char *vmsvga_guest_id[] = {
219     [0x00] = "Dos",
220     [0x01] = "Windows 3.1",
221     [0x02] = "Windows 95",
222     [0x03] = "Windows 98",
223     [0x04] = "Windows ME",
224     [0x05] = "Windows NT",
225     [0x06] = "Windows 2000",
226     [0x07] = "Linux",
227     [0x08] = "OS/2",
228     [0x09] = "an unknown OS",
229     [0x0a] = "BSD",
230     [0x0b] = "Whistler",
231     [0x0c] = "an unknown OS",
232     [0x0d] = "an unknown OS",
233     [0x0e] = "an unknown OS",
234     [0x0f] = "an unknown OS",
235     [0x10] = "an unknown OS",
236     [0x11] = "an unknown OS",
237     [0x12] = "an unknown OS",
238     [0x13] = "an unknown OS",
239     [0x14] = "an unknown OS",
240     [0x15] = "Windows 2003",
241 };
242 #endif
243 
244 enum {
245     SVGA_CMD_INVALID_CMD = 0,
246     SVGA_CMD_UPDATE = 1,
247     SVGA_CMD_RECT_FILL = 2,
248     SVGA_CMD_RECT_COPY = 3,
249     SVGA_CMD_DEFINE_BITMAP = 4,
250     SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
251     SVGA_CMD_DEFINE_PIXMAP = 6,
252     SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
253     SVGA_CMD_RECT_BITMAP_FILL = 8,
254     SVGA_CMD_RECT_PIXMAP_FILL = 9,
255     SVGA_CMD_RECT_BITMAP_COPY = 10,
256     SVGA_CMD_RECT_PIXMAP_COPY = 11,
257     SVGA_CMD_FREE_OBJECT = 12,
258     SVGA_CMD_RECT_ROP_FILL = 13,
259     SVGA_CMD_RECT_ROP_COPY = 14,
260     SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
261     SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
262     SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
263     SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
264     SVGA_CMD_DEFINE_CURSOR = 19,
265     SVGA_CMD_DISPLAY_CURSOR = 20,
266     SVGA_CMD_MOVE_CURSOR = 21,
267     SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
268     SVGA_CMD_DRAW_GLYPH = 23,
269     SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
270     SVGA_CMD_UPDATE_VERBOSE = 25,
271     SVGA_CMD_SURFACE_FILL = 26,
272     SVGA_CMD_SURFACE_COPY = 27,
273     SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
274     SVGA_CMD_FRONT_ROP_FILL = 29,
275     SVGA_CMD_FENCE = 30,
276 };
277 
278 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
279 enum {
280     SVGA_CURSOR_ON_HIDE = 0,
281     SVGA_CURSOR_ON_SHOW = 1,
282     SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
283     SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
284 };
285 
286 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
287                 int x, int y, int w, int h)
288 {
289     DisplaySurface *surface = qemu_console_surface(s->vga.con);
290     int line;
291     int bypl;
292     int width;
293     int start;
294     uint8_t *src;
295     uint8_t *dst;
296 
297     if (x < 0) {
298         fprintf(stderr, "%s: update x was < 0 (%d)\n", __func__, x);
299         w += x;
300         x = 0;
301     }
302     if (w < 0) {
303         fprintf(stderr, "%s: update w was < 0 (%d)\n", __func__, w);
304         w = 0;
305     }
306     if (x + w > surface_width(surface)) {
307         fprintf(stderr, "%s: update width too large x: %d, w: %d\n",
308                 __func__, x, w);
309         x = MIN(x, surface_width(surface));
310         w = surface_width(surface) - x;
311     }
312 
313     if (y < 0) {
314         fprintf(stderr, "%s: update y was < 0 (%d)\n",  __func__, y);
315         h += y;
316         y = 0;
317     }
318     if (h < 0) {
319         fprintf(stderr, "%s: update h was < 0 (%d)\n",  __func__, h);
320         h = 0;
321     }
322     if (y + h > surface_height(surface)) {
323         fprintf(stderr, "%s: update height too large y: %d, h: %d\n",
324                 __func__, y, h);
325         y = MIN(y, surface_height(surface));
326         h = surface_height(surface) - y;
327     }
328 
329     bypl = surface_stride(surface);
330     width = surface_bytes_per_pixel(surface) * w;
331     start = surface_bytes_per_pixel(surface) * x + bypl * y;
332     src = s->vga.vram_ptr + start;
333     dst = surface_data(surface) + start;
334 
335     for (line = h; line > 0; line--, src += bypl, dst += bypl) {
336         memcpy(dst, src, width);
337     }
338     dpy_gfx_update(s->vga.con, x, y, w, h);
339 }
340 
341 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
342                 int x, int y, int w, int h)
343 {
344     struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last++];
345 
346     s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
347     rect->x = x;
348     rect->y = y;
349     rect->w = w;
350     rect->h = h;
351 }
352 
353 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
354 {
355     struct vmsvga_rect_s *rect;
356 
357     if (s->invalidated) {
358         s->redraw_fifo_first = s->redraw_fifo_last;
359         return;
360     }
361     /* Overlapping region updates can be optimised out here - if someone
362      * knows a smart algorithm to do that, please share.  */
363     while (s->redraw_fifo_first != s->redraw_fifo_last) {
364         rect = &s->redraw_fifo[s->redraw_fifo_first++];
365         s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
366         vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
367     }
368 }
369 
370 #ifdef HW_RECT_ACCEL
371 static inline void vmsvga_copy_rect(struct vmsvga_state_s *s,
372                 int x0, int y0, int x1, int y1, int w, int h)
373 {
374     DisplaySurface *surface = qemu_console_surface(s->vga.con);
375     uint8_t *vram = s->vga.vram_ptr;
376     int bypl = surface_stride(surface);
377     int bypp = surface_bytes_per_pixel(surface);
378     int width = bypp * w;
379     int line = h;
380     uint8_t *ptr[2];
381 
382     if (y1 > y0) {
383         ptr[0] = vram + bypp * x0 + bypl * (y0 + h - 1);
384         ptr[1] = vram + bypp * x1 + bypl * (y1 + h - 1);
385         for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl) {
386             memmove(ptr[1], ptr[0], width);
387         }
388     } else {
389         ptr[0] = vram + bypp * x0 + bypl * y0;
390         ptr[1] = vram + bypp * x1 + bypl * y1;
391         for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl) {
392             memmove(ptr[1], ptr[0], width);
393         }
394     }
395 
396     vmsvga_update_rect_delayed(s, x1, y1, w, h);
397 }
398 #endif
399 
400 #ifdef HW_FILL_ACCEL
401 static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
402                 uint32_t c, int x, int y, int w, int h)
403 {
404     DisplaySurface *surface = qemu_console_surface(s->vga.con);
405     int bypl = surface_stride(surface);
406     int width = surface_bytes_per_pixel(surface) * 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 + surface_bytes_per_pixel(surface) * 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 == surface_bytes_per_pixel(surface)) {
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.con, 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     DisplaySurface *surface = qemu_console_surface(s->vga.con);
724 
725     switch (s->index) {
726     case SVGA_REG_ID:
727         return s->svgaid;
728 
729     case SVGA_REG_ENABLE:
730         return s->enable;
731 
732     case SVGA_REG_WIDTH:
733         return surface_width(surface);
734 
735     case SVGA_REG_HEIGHT:
736         return surface_height(surface);
737 
738     case SVGA_REG_MAX_WIDTH:
739         return SVGA_MAX_WIDTH;
740 
741     case SVGA_REG_MAX_HEIGHT:
742         return SVGA_MAX_HEIGHT;
743 
744     case SVGA_REG_DEPTH:
745         return s->depth;
746 
747     case SVGA_REG_BITS_PER_PIXEL:
748         return (s->depth + 7) & ~7;
749 
750     case SVGA_REG_PSEUDOCOLOR:
751         return 0x0;
752 
753     case SVGA_REG_RED_MASK:
754         return surface->pf.rmask;
755 
756     case SVGA_REG_GREEN_MASK:
757         return surface->pf.gmask;
758 
759     case SVGA_REG_BLUE_MASK:
760         return surface->pf.bmask;
761 
762     case SVGA_REG_BYTES_PER_LINE:
763         return s->bypp * s->new_width;
764 
765     case SVGA_REG_FB_START: {
766         struct pci_vmsvga_state_s *pci_vmsvga
767             = container_of(s, struct pci_vmsvga_state_s, chip);
768         return pci_get_bar_addr(&pci_vmsvga->card, 1);
769     }
770 
771     case SVGA_REG_FB_OFFSET:
772         return 0x0;
773 
774     case SVGA_REG_VRAM_SIZE:
775         return s->vga.vram_size; /* No physical VRAM besides the framebuffer */
776 
777     case SVGA_REG_FB_SIZE:
778         return s->vga.vram_size;
779 
780     case SVGA_REG_CAPABILITIES:
781         caps = SVGA_CAP_NONE;
782 #ifdef HW_RECT_ACCEL
783         caps |= SVGA_CAP_RECT_COPY;
784 #endif
785 #ifdef HW_FILL_ACCEL
786         caps |= SVGA_CAP_RECT_FILL;
787 #endif
788 #ifdef HW_MOUSE_ACCEL
789         if (dpy_cursor_define_supported(s->vga.con)) {
790             caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
791                     SVGA_CAP_CURSOR_BYPASS;
792         }
793 #endif
794         return caps;
795 
796     case SVGA_REG_MEM_START: {
797         struct pci_vmsvga_state_s *pci_vmsvga
798             = container_of(s, struct pci_vmsvga_state_s, chip);
799         return pci_get_bar_addr(&pci_vmsvga->card, 2);
800     }
801 
802     case SVGA_REG_MEM_SIZE:
803         return s->fifo_size;
804 
805     case SVGA_REG_CONFIG_DONE:
806         return s->config;
807 
808     case SVGA_REG_SYNC:
809     case SVGA_REG_BUSY:
810         return s->syncing;
811 
812     case SVGA_REG_GUEST_ID:
813         return s->guest;
814 
815     case SVGA_REG_CURSOR_ID:
816         return s->cursor.id;
817 
818     case SVGA_REG_CURSOR_X:
819         return s->cursor.x;
820 
821     case SVGA_REG_CURSOR_Y:
822         return s->cursor.x;
823 
824     case SVGA_REG_CURSOR_ON:
825         return s->cursor.on;
826 
827     case SVGA_REG_HOST_BITS_PER_PIXEL:
828         return (s->depth + 7) & ~7;
829 
830     case SVGA_REG_SCRATCH_SIZE:
831         return s->scratch_size;
832 
833     case SVGA_REG_MEM_REGS:
834     case SVGA_REG_NUM_DISPLAYS:
835     case SVGA_REG_PITCHLOCK:
836     case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
837         return 0;
838 
839     default:
840         if (s->index >= SVGA_SCRATCH_BASE &&
841             s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
842             return s->scratch[s->index - SVGA_SCRATCH_BASE];
843         }
844         printf("%s: Bad register %02x\n", __func__, s->index);
845     }
846 
847     return 0;
848 }
849 
850 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
851 {
852     struct vmsvga_state_s *s = opaque;
853 
854     switch (s->index) {
855     case SVGA_REG_ID:
856         if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0) {
857             s->svgaid = value;
858         }
859         break;
860 
861     case SVGA_REG_ENABLE:
862         s->enable = !!value;
863         s->invalidated = 1;
864         s->vga.invalidate(&s->vga);
865         if (s->enable && s->config) {
866             vga_dirty_log_stop(&s->vga);
867         } else {
868             vga_dirty_log_start(&s->vga);
869         }
870         break;
871 
872     case SVGA_REG_WIDTH:
873         if (value <= SVGA_MAX_WIDTH) {
874             s->new_width = value;
875             s->invalidated = 1;
876         } else {
877             printf("%s: Bad width: %i\n", __func__, value);
878         }
879         break;
880 
881     case SVGA_REG_HEIGHT:
882         if (value <= SVGA_MAX_HEIGHT) {
883             s->new_height = value;
884             s->invalidated = 1;
885         } else {
886             printf("%s: Bad height: %i\n", __func__, value);
887         }
888         break;
889 
890     case SVGA_REG_BITS_PER_PIXEL:
891         if (value != s->depth) {
892             printf("%s: Bad bits per pixel: %i bits\n", __func__, value);
893             s->config = 0;
894         }
895         break;
896 
897     case SVGA_REG_CONFIG_DONE:
898         if (value) {
899             s->fifo = (uint32_t *) s->fifo_ptr;
900             /* Check range and alignment.  */
901             if ((CMD(min) | CMD(max) | CMD(next_cmd) | CMD(stop)) & 3) {
902                 break;
903             }
904             if (CMD(min) < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo) {
905                 break;
906             }
907             if (CMD(max) > SVGA_FIFO_SIZE) {
908                 break;
909             }
910             if (CMD(max) < CMD(min) + 10 * 1024) {
911                 break;
912             }
913             vga_dirty_log_stop(&s->vga);
914         }
915         s->config = !!value;
916         break;
917 
918     case SVGA_REG_SYNC:
919         s->syncing = 1;
920         vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
921         break;
922 
923     case SVGA_REG_GUEST_ID:
924         s->guest = value;
925 #ifdef VERBOSE
926         if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
927             ARRAY_SIZE(vmsvga_guest_id)) {
928             printf("%s: guest runs %s.\n", __func__,
929                    vmsvga_guest_id[value - GUEST_OS_BASE]);
930         }
931 #endif
932         break;
933 
934     case SVGA_REG_CURSOR_ID:
935         s->cursor.id = value;
936         break;
937 
938     case SVGA_REG_CURSOR_X:
939         s->cursor.x = value;
940         break;
941 
942     case SVGA_REG_CURSOR_Y:
943         s->cursor.y = value;
944         break;
945 
946     case SVGA_REG_CURSOR_ON:
947         s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
948         s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
949 #ifdef HW_MOUSE_ACCEL
950         if (value <= SVGA_CURSOR_ON_SHOW) {
951             dpy_mouse_set(s->vga.con, s->cursor.x, s->cursor.y, s->cursor.on);
952         }
953 #endif
954         break;
955 
956     case SVGA_REG_DEPTH:
957     case SVGA_REG_MEM_REGS:
958     case SVGA_REG_NUM_DISPLAYS:
959     case SVGA_REG_PITCHLOCK:
960     case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
961         break;
962 
963     default:
964         if (s->index >= SVGA_SCRATCH_BASE &&
965                 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
966             s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
967             break;
968         }
969         printf("%s: Bad register %02x\n", __func__, s->index);
970     }
971 }
972 
973 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
974 {
975     printf("%s: what are we supposed to return?\n", __func__);
976     return 0xcafe;
977 }
978 
979 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
980 {
981     printf("%s: what are we supposed to do with (%08x)?\n", __func__, data);
982 }
983 
984 static inline void vmsvga_check_size(struct vmsvga_state_s *s)
985 {
986     DisplaySurface *surface = qemu_console_surface(s->vga.con);
987 
988     if (s->new_width != surface_width(surface) ||
989         s->new_height != surface_height(surface)) {
990         qemu_console_resize(s->vga.con, s->new_width, s->new_height);
991         s->invalidated = 1;
992     }
993 }
994 
995 static void vmsvga_update_display(void *opaque)
996 {
997     struct vmsvga_state_s *s = opaque;
998     DisplaySurface *surface = qemu_console_surface(s->vga.con);
999     bool dirty = false;
1000 
1001     if (!s->enable) {
1002         s->vga.update(&s->vga);
1003         return;
1004     }
1005 
1006     vmsvga_check_size(s);
1007 
1008     vmsvga_fifo_run(s);
1009     vmsvga_update_rect_flush(s);
1010 
1011     /*
1012      * Is it more efficient to look at vram VGA-dirty bits or wait
1013      * for the driver to issue SVGA_CMD_UPDATE?
1014      */
1015     if (memory_region_is_logging(&s->vga.vram)) {
1016         vga_sync_dirty_bitmap(&s->vga);
1017         dirty = memory_region_get_dirty(&s->vga.vram, 0,
1018             surface_stride(surface) * surface_height(surface),
1019             DIRTY_MEMORY_VGA);
1020     }
1021     if (s->invalidated || dirty) {
1022         s->invalidated = 0;
1023         memcpy(surface_data(surface), s->vga.vram_ptr,
1024                surface_stride(surface) * surface_height(surface));
1025         dpy_gfx_update(s->vga.con, 0, 0,
1026                    surface_width(surface), surface_height(surface));
1027     }
1028     if (dirty) {
1029         memory_region_reset_dirty(&s->vga.vram, 0,
1030             surface_stride(surface) * surface_height(surface),
1031             DIRTY_MEMORY_VGA);
1032     }
1033 }
1034 
1035 static void vmsvga_reset(DeviceState *dev)
1036 {
1037     struct pci_vmsvga_state_s *pci =
1038         DO_UPCAST(struct pci_vmsvga_state_s, card.qdev, dev);
1039     struct vmsvga_state_s *s = &pci->chip;
1040 
1041     s->index = 0;
1042     s->enable = 0;
1043     s->config = 0;
1044     s->svgaid = SVGA_ID;
1045     s->cursor.on = 0;
1046     s->redraw_fifo_first = 0;
1047     s->redraw_fifo_last = 0;
1048     s->syncing = 0;
1049 
1050     vga_dirty_log_start(&s->vga);
1051 }
1052 
1053 static void vmsvga_invalidate_display(void *opaque)
1054 {
1055     struct vmsvga_state_s *s = opaque;
1056     if (!s->enable) {
1057         s->vga.invalidate(&s->vga);
1058         return;
1059     }
1060 
1061     s->invalidated = 1;
1062 }
1063 
1064 /* save the vga display in a PPM image even if no display is
1065    available */
1066 static void vmsvga_screen_dump(void *opaque, const char *filename, bool cswitch,
1067                                Error **errp)
1068 {
1069     struct vmsvga_state_s *s = opaque;
1070     DisplaySurface *surface = qemu_console_surface(s->vga.con);
1071 
1072     if (!s->enable) {
1073         s->vga.screen_dump(&s->vga, filename, cswitch, errp);
1074         return;
1075     }
1076 
1077     if (surface_bits_per_pixel(surface) == 32) {
1078         DisplaySurface *ds = qemu_create_displaysurface_from(
1079                                  surface_width(surface),
1080                                  surface_height(surface),
1081                                  32,
1082                                  surface_stride(surface),
1083                                  s->vga.vram_ptr, false);
1084         ppm_save(filename, ds, errp);
1085         g_free(ds);
1086     }
1087 }
1088 
1089 static void vmsvga_text_update(void *opaque, console_ch_t *chardata)
1090 {
1091     struct vmsvga_state_s *s = opaque;
1092 
1093     if (s->vga.text_update) {
1094         s->vga.text_update(&s->vga, chardata);
1095     }
1096 }
1097 
1098 static int vmsvga_post_load(void *opaque, int version_id)
1099 {
1100     struct vmsvga_state_s *s = opaque;
1101 
1102     s->invalidated = 1;
1103     if (s->config) {
1104         s->fifo = (uint32_t *) s->fifo_ptr;
1105     }
1106     return 0;
1107 }
1108 
1109 static const VMStateDescription vmstate_vmware_vga_internal = {
1110     .name = "vmware_vga_internal",
1111     .version_id = 0,
1112     .minimum_version_id = 0,
1113     .minimum_version_id_old = 0,
1114     .post_load = vmsvga_post_load,
1115     .fields      = (VMStateField[]) {
1116         VMSTATE_INT32_EQUAL(depth, struct vmsvga_state_s),
1117         VMSTATE_INT32(enable, struct vmsvga_state_s),
1118         VMSTATE_INT32(config, struct vmsvga_state_s),
1119         VMSTATE_INT32(cursor.id, struct vmsvga_state_s),
1120         VMSTATE_INT32(cursor.x, struct vmsvga_state_s),
1121         VMSTATE_INT32(cursor.y, struct vmsvga_state_s),
1122         VMSTATE_INT32(cursor.on, struct vmsvga_state_s),
1123         VMSTATE_INT32(index, struct vmsvga_state_s),
1124         VMSTATE_VARRAY_INT32(scratch, struct vmsvga_state_s,
1125                              scratch_size, 0, vmstate_info_uint32, uint32_t),
1126         VMSTATE_INT32(new_width, struct vmsvga_state_s),
1127         VMSTATE_INT32(new_height, struct vmsvga_state_s),
1128         VMSTATE_UINT32(guest, struct vmsvga_state_s),
1129         VMSTATE_UINT32(svgaid, struct vmsvga_state_s),
1130         VMSTATE_INT32(syncing, struct vmsvga_state_s),
1131         VMSTATE_UNUSED(4), /* was fb_size */
1132         VMSTATE_END_OF_LIST()
1133     }
1134 };
1135 
1136 static const VMStateDescription vmstate_vmware_vga = {
1137     .name = "vmware_vga",
1138     .version_id = 0,
1139     .minimum_version_id = 0,
1140     .minimum_version_id_old = 0,
1141     .fields      = (VMStateField[]) {
1142         VMSTATE_PCI_DEVICE(card, struct pci_vmsvga_state_s),
1143         VMSTATE_STRUCT(chip, struct pci_vmsvga_state_s, 0,
1144                        vmstate_vmware_vga_internal, struct vmsvga_state_s),
1145         VMSTATE_END_OF_LIST()
1146     }
1147 };
1148 
1149 static void vmsvga_init(struct vmsvga_state_s *s,
1150                         MemoryRegion *address_space, MemoryRegion *io)
1151 {
1152     DisplaySurface *surface;
1153 
1154     s->scratch_size = SVGA_SCRATCH_SIZE;
1155     s->scratch = g_malloc(s->scratch_size * 4);
1156 
1157     s->vga.con = graphic_console_init(vmsvga_update_display,
1158                                       vmsvga_invalidate_display,
1159                                       vmsvga_screen_dump,
1160                                       vmsvga_text_update, s);
1161     surface = qemu_console_surface(s->vga.con);
1162 
1163     s->fifo_size = SVGA_FIFO_SIZE;
1164     memory_region_init_ram(&s->fifo_ram, "vmsvga.fifo", s->fifo_size);
1165     vmstate_register_ram_global(&s->fifo_ram);
1166     s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
1167 
1168     vga_common_init(&s->vga);
1169     vga_init(&s->vga, address_space, io, true);
1170     vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
1171     /* Save some values here in case they are changed later.
1172      * This is suspicious and needs more though why it is needed. */
1173     s->depth = surface_bits_per_pixel(surface);
1174     s->bypp = surface_bytes_per_pixel(surface);
1175 }
1176 
1177 static uint64_t vmsvga_io_read(void *opaque, hwaddr addr, unsigned size)
1178 {
1179     struct vmsvga_state_s *s = opaque;
1180 
1181     switch (addr) {
1182     case SVGA_IO_MUL * SVGA_INDEX_PORT: return vmsvga_index_read(s, addr);
1183     case SVGA_IO_MUL * SVGA_VALUE_PORT: return vmsvga_value_read(s, addr);
1184     case SVGA_IO_MUL * SVGA_BIOS_PORT: return vmsvga_bios_read(s, addr);
1185     default: return -1u;
1186     }
1187 }
1188 
1189 static void vmsvga_io_write(void *opaque, hwaddr addr,
1190                             uint64_t data, unsigned size)
1191 {
1192     struct vmsvga_state_s *s = opaque;
1193 
1194     switch (addr) {
1195     case SVGA_IO_MUL * SVGA_INDEX_PORT:
1196         vmsvga_index_write(s, addr, data);
1197         break;
1198     case SVGA_IO_MUL * SVGA_VALUE_PORT:
1199         vmsvga_value_write(s, addr, data);
1200         break;
1201     case SVGA_IO_MUL * SVGA_BIOS_PORT:
1202         vmsvga_bios_write(s, addr, data);
1203         break;
1204     }
1205 }
1206 
1207 static const MemoryRegionOps vmsvga_io_ops = {
1208     .read = vmsvga_io_read,
1209     .write = vmsvga_io_write,
1210     .endianness = DEVICE_LITTLE_ENDIAN,
1211     .valid = {
1212         .min_access_size = 4,
1213         .max_access_size = 4,
1214     },
1215 };
1216 
1217 static int pci_vmsvga_initfn(PCIDevice *dev)
1218 {
1219     struct pci_vmsvga_state_s *s =
1220         DO_UPCAST(struct pci_vmsvga_state_s, card, dev);
1221 
1222     s->card.config[PCI_CACHE_LINE_SIZE] = 0x08;         /* Cache line size */
1223     s->card.config[PCI_LATENCY_TIMER] = 0x40;           /* Latency timer */
1224     s->card.config[PCI_INTERRUPT_LINE] = 0xff;          /* End */
1225 
1226     memory_region_init_io(&s->io_bar, &vmsvga_io_ops, &s->chip,
1227                           "vmsvga-io", 0x10);
1228     memory_region_set_flush_coalesced(&s->io_bar);
1229     pci_register_bar(&s->card, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
1230 
1231     vmsvga_init(&s->chip, pci_address_space(dev), pci_address_space_io(dev));
1232 
1233     pci_register_bar(&s->card, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
1234                      &s->chip.vga.vram);
1235     pci_register_bar(&s->card, 2, PCI_BASE_ADDRESS_MEM_PREFETCH,
1236                      &s->chip.fifo_ram);
1237 
1238     if (!dev->rom_bar) {
1239         /* compatibility with pc-0.13 and older */
1240         vga_init_vbe(&s->chip.vga, pci_address_space(dev));
1241     }
1242 
1243     return 0;
1244 }
1245 
1246 static Property vga_vmware_properties[] = {
1247     DEFINE_PROP_UINT32("vgamem_mb", struct pci_vmsvga_state_s,
1248                        chip.vga.vram_size_mb, 16),
1249     DEFINE_PROP_END_OF_LIST(),
1250 };
1251 
1252 static void vmsvga_class_init(ObjectClass *klass, void *data)
1253 {
1254     DeviceClass *dc = DEVICE_CLASS(klass);
1255     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1256 
1257     k->no_hotplug = 1;
1258     k->init = pci_vmsvga_initfn;
1259     k->romfile = "vgabios-vmware.bin";
1260     k->vendor_id = PCI_VENDOR_ID_VMWARE;
1261     k->device_id = SVGA_PCI_DEVICE_ID;
1262     k->class_id = PCI_CLASS_DISPLAY_VGA;
1263     k->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE;
1264     k->subsystem_id = SVGA_PCI_DEVICE_ID;
1265     dc->reset = vmsvga_reset;
1266     dc->vmsd = &vmstate_vmware_vga;
1267     dc->props = vga_vmware_properties;
1268 }
1269 
1270 static const TypeInfo vmsvga_info = {
1271     .name          = "vmware-svga",
1272     .parent        = TYPE_PCI_DEVICE,
1273     .instance_size = sizeof(struct pci_vmsvga_state_s),
1274     .class_init    = vmsvga_class_init,
1275 };
1276 
1277 static void vmsvga_register_types(void)
1278 {
1279     type_register_static(&vmsvga_info);
1280 }
1281 
1282 type_init(vmsvga_register_types)
1283