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trace: enforce that every trace-events file has a final newline
[qemu/ar7.git] / hw / display / vmware_vga.c
blobafbf1c597389f371fd68c58c6b6c2dd440650dbc
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 "qemu/osdep.h"
25 #include "qemu/units.h"
26 #include "qapi/error.h"
27 #include "hw/hw.h"
28 #include "hw/loader.h"
29 #include "trace.h"
30 #include "ui/vnc.h"
31 #include "hw/pci/pci.h"
32
33 #undef VERBOSE
34 #define HW_RECT_ACCEL
35 #define HW_FILL_ACCEL
36 #define HW_MOUSE_ACCEL
37
38 #include "vga_int.h"
39
40 /* See http://vmware-svga.sf.net/ for some documentation on VMWare SVGA */
41
42 struct vmsvga_state_s {
43 VGACommonState vga;
44
45 int invalidated;
46 int enable;
47 int config;
48 struct {
49 int id;
50 int x;
51 int y;
52 int on;
53 } cursor;
54
55 int index;
56 int scratch_size;
57 uint32_t *scratch;
58 int new_width;
59 int new_height;
60 int new_depth;
61 uint32_t guest;
62 uint32_t svgaid;
63 int syncing;
64
65 MemoryRegion fifo_ram;
66 uint8_t *fifo_ptr;
67 unsigned int fifo_size;
68
69 uint32_t *fifo;
70 uint32_t fifo_min;
71 uint32_t fifo_max;
72 uint32_t fifo_next;
73 uint32_t fifo_stop;
74
75 #define REDRAW_FIFO_LEN 512
76 struct vmsvga_rect_s {
77 int x, y, w, h;
78 } redraw_fifo[REDRAW_FIFO_LEN];
79 int redraw_fifo_first, redraw_fifo_last;
80 };
81
82 #define TYPE_VMWARE_SVGA "vmware-svga"
83
84 #define VMWARE_SVGA(obj) \
85 OBJECT_CHECK(struct pci_vmsvga_state_s, (obj), TYPE_VMWARE_SVGA)
86
87 struct pci_vmsvga_state_s {
88 /*< private >*/
89 PCIDevice parent_obj;
90 /*< public >*/
91
92 struct vmsvga_state_s chip;
93 MemoryRegion io_bar;
94 };
95
96 #define SVGA_MAGIC 0x900000UL
97 #define SVGA_MAKE_ID(ver) (SVGA_MAGIC << 8 | (ver))
98 #define SVGA_ID_0 SVGA_MAKE_ID(0)
99 #define SVGA_ID_1 SVGA_MAKE_ID(1)
100 #define SVGA_ID_2 SVGA_MAKE_ID(2)
101
102 #define SVGA_LEGACY_BASE_PORT 0x4560
103 #define SVGA_INDEX_PORT 0x0
104 #define SVGA_VALUE_PORT 0x1
105 #define SVGA_BIOS_PORT 0x2
106
107 #define SVGA_VERSION_2
108
109 #ifdef SVGA_VERSION_2
110 # define SVGA_ID SVGA_ID_2
111 # define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
112 # define SVGA_IO_MUL 1
113 # define SVGA_FIFO_SIZE 0x10000
114 # define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA2
115 #else
116 # define SVGA_ID SVGA_ID_1
117 # define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
118 # define SVGA_IO_MUL 4
119 # define SVGA_FIFO_SIZE 0x10000
120 # define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA
121 #endif
122
123 enum {
124 /* ID 0, 1 and 2 registers */
125 SVGA_REG_ID = 0,
126 SVGA_REG_ENABLE = 1,
127 SVGA_REG_WIDTH = 2,
128 SVGA_REG_HEIGHT = 3,
129 SVGA_REG_MAX_WIDTH = 4,
130 SVGA_REG_MAX_HEIGHT = 5,
131 SVGA_REG_DEPTH = 6,
132 SVGA_REG_BITS_PER_PIXEL = 7, /* Current bpp in the guest */
133 SVGA_REG_PSEUDOCOLOR = 8,
134 SVGA_REG_RED_MASK = 9,
135 SVGA_REG_GREEN_MASK = 10,
136 SVGA_REG_BLUE_MASK = 11,
137 SVGA_REG_BYTES_PER_LINE = 12,
138 SVGA_REG_FB_START = 13,
139 SVGA_REG_FB_OFFSET = 14,
140 SVGA_REG_VRAM_SIZE = 15,
141 SVGA_REG_FB_SIZE = 16,
142
143 /* ID 1 and 2 registers */
144 SVGA_REG_CAPABILITIES = 17,
145 SVGA_REG_MEM_START = 18, /* Memory for command FIFO */
146 SVGA_REG_MEM_SIZE = 19,
147 SVGA_REG_CONFIG_DONE = 20, /* Set when memory area configured */
148 SVGA_REG_SYNC = 21, /* Write to force synchronization */
149 SVGA_REG_BUSY = 22, /* Read to check if sync is done */
150 SVGA_REG_GUEST_ID = 23, /* Set guest OS identifier */
151 SVGA_REG_CURSOR_ID = 24, /* ID of cursor */
152 SVGA_REG_CURSOR_X = 25, /* Set cursor X position */
153 SVGA_REG_CURSOR_Y = 26, /* Set cursor Y position */
154 SVGA_REG_CURSOR_ON = 27, /* Turn cursor on/off */
155 SVGA_REG_HOST_BITS_PER_PIXEL = 28, /* Current bpp in the host */
156 SVGA_REG_SCRATCH_SIZE = 29, /* Number of scratch registers */
157 SVGA_REG_MEM_REGS = 30, /* Number of FIFO registers */
158 SVGA_REG_NUM_DISPLAYS = 31, /* Number of guest displays */
159 SVGA_REG_PITCHLOCK = 32, /* Fixed pitch for all modes */
160
161 SVGA_PALETTE_BASE = 1024, /* Base of SVGA color map */
162 SVGA_PALETTE_END = SVGA_PALETTE_BASE + 767,
163 SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
164 };
165
166 #define SVGA_CAP_NONE 0
167 #define SVGA_CAP_RECT_FILL (1 << 0)
168 #define SVGA_CAP_RECT_COPY (1 << 1)
169 #define SVGA_CAP_RECT_PAT_FILL (1 << 2)
170 #define SVGA_CAP_LEGACY_OFFSCREEN (1 << 3)
171 #define SVGA_CAP_RASTER_OP (1 << 4)
172 #define SVGA_CAP_CURSOR (1 << 5)
173 #define SVGA_CAP_CURSOR_BYPASS (1 << 6)
174 #define SVGA_CAP_CURSOR_BYPASS_2 (1 << 7)
175 #define SVGA_CAP_8BIT_EMULATION (1 << 8)
176 #define SVGA_CAP_ALPHA_CURSOR (1 << 9)
177 #define SVGA_CAP_GLYPH (1 << 10)
178 #define SVGA_CAP_GLYPH_CLIPPING (1 << 11)
179 #define SVGA_CAP_OFFSCREEN_1 (1 << 12)
180 #define SVGA_CAP_ALPHA_BLEND (1 << 13)
181 #define SVGA_CAP_3D (1 << 14)
182 #define SVGA_CAP_EXTENDED_FIFO (1 << 15)
183 #define SVGA_CAP_MULTIMON (1 << 16)
184 #define SVGA_CAP_PITCHLOCK (1 << 17)
185
186 /*
187 * FIFO offsets (seen as an array of 32-bit words)
188 */
189 enum {
190 /*
191 * The original defined FIFO offsets
192 */
193 SVGA_FIFO_MIN = 0,
194 SVGA_FIFO_MAX, /* The distance from MIN to MAX must be at least 10K */
195 SVGA_FIFO_NEXT,
196 SVGA_FIFO_STOP,
197
198 /*
199 * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
200 */
201 SVGA_FIFO_CAPABILITIES = 4,
202 SVGA_FIFO_FLAGS,
203 SVGA_FIFO_FENCE,
204 SVGA_FIFO_3D_HWVERSION,
205 SVGA_FIFO_PITCHLOCK,
206 };
207
208 #define SVGA_FIFO_CAP_NONE 0
209 #define SVGA_FIFO_CAP_FENCE (1 << 0)
210 #define SVGA_FIFO_CAP_ACCELFRONT (1 << 1)
211 #define SVGA_FIFO_CAP_PITCHLOCK (1 << 2)
212
213 #define SVGA_FIFO_FLAG_NONE 0
214 #define SVGA_FIFO_FLAG_ACCELFRONT (1 << 0)
215
216 /* These values can probably be changed arbitrarily. */
217 #define SVGA_SCRATCH_SIZE 0x8000
218 #define SVGA_MAX_WIDTH ROUND_UP(2360, VNC_DIRTY_PIXELS_PER_BIT)
219 #define SVGA_MAX_HEIGHT 1770
220
221 #ifdef VERBOSE
222 # define GUEST_OS_BASE 0x5001
223 static const char *vmsvga_guest_id[] = {
224 [0x00] = "Dos",
225 [0x01] = "Windows 3.1",
226 [0x02] = "Windows 95",
227 [0x03] = "Windows 98",
228 [0x04] = "Windows ME",
229 [0x05] = "Windows NT",
230 [0x06] = "Windows 2000",
231 [0x07] = "Linux",
232 [0x08] = "OS/2",
233 [0x09] = "an unknown OS",
234 [0x0a] = "BSD",
235 [0x0b] = "Whistler",
236 [0x0c] = "an unknown OS",
237 [0x0d] = "an unknown OS",
238 [0x0e] = "an unknown OS",
239 [0x0f] = "an unknown OS",
240 [0x10] = "an unknown OS",
241 [0x11] = "an unknown OS",
242 [0x12] = "an unknown OS",
243 [0x13] = "an unknown OS",
244 [0x14] = "an unknown OS",
245 [0x15] = "Windows 2003",
246 };
247 #endif
248
249 enum {
250 SVGA_CMD_INVALID_CMD = 0,
251 SVGA_CMD_UPDATE = 1,
252 SVGA_CMD_RECT_FILL = 2,
253 SVGA_CMD_RECT_COPY = 3,
254 SVGA_CMD_DEFINE_BITMAP = 4,
255 SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
256 SVGA_CMD_DEFINE_PIXMAP = 6,
257 SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
258 SVGA_CMD_RECT_BITMAP_FILL = 8,
259 SVGA_CMD_RECT_PIXMAP_FILL = 9,
260 SVGA_CMD_RECT_BITMAP_COPY = 10,
261 SVGA_CMD_RECT_PIXMAP_COPY = 11,
262 SVGA_CMD_FREE_OBJECT = 12,
263 SVGA_CMD_RECT_ROP_FILL = 13,
264 SVGA_CMD_RECT_ROP_COPY = 14,
265 SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
266 SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
267 SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
268 SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
269 SVGA_CMD_DEFINE_CURSOR = 19,
270 SVGA_CMD_DISPLAY_CURSOR = 20,
271 SVGA_CMD_MOVE_CURSOR = 21,
272 SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
273 SVGA_CMD_DRAW_GLYPH = 23,
274 SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
275 SVGA_CMD_UPDATE_VERBOSE = 25,
276 SVGA_CMD_SURFACE_FILL = 26,
277 SVGA_CMD_SURFACE_COPY = 27,
278 SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
279 SVGA_CMD_FRONT_ROP_FILL = 29,
280 SVGA_CMD_FENCE = 30,
281 };
282
283 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
284 enum {
285 SVGA_CURSOR_ON_HIDE = 0,
286 SVGA_CURSOR_ON_SHOW = 1,
287 SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
288 SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
289 };
290
291 static inline bool vmsvga_verify_rect(DisplaySurface *surface,
292 const char *name,
293 int x, int y, int w, int h)
294 {
295 if (x < 0) {
296 fprintf(stderr, "%s: x was < 0 (%d)\n", name, x);
297 return false;
298 }
299 if (x > SVGA_MAX_WIDTH) {
300 fprintf(stderr, "%s: x was > %d (%d)\n", name, SVGA_MAX_WIDTH, x);
301 return false;
302 }
303 if (w < 0) {
304 fprintf(stderr, "%s: w was < 0 (%d)\n", name, w);
305 return false;
306 }
307 if (w > SVGA_MAX_WIDTH) {
308 fprintf(stderr, "%s: w was > %d (%d)\n", name, SVGA_MAX_WIDTH, w);
309 return false;
310 }
311 if (x + w > surface_width(surface)) {
312 fprintf(stderr, "%s: width was > %d (x: %d, w: %d)\n",
313 name, surface_width(surface), x, w);
314 return false;
315 }
316
317 if (y < 0) {
318 fprintf(stderr, "%s: y was < 0 (%d)\n", name, y);
319 return false;
320 }
321 if (y > SVGA_MAX_HEIGHT) {
322 fprintf(stderr, "%s: y was > %d (%d)\n", name, SVGA_MAX_HEIGHT, y);
323 return false;
324 }
325 if (h < 0) {
326 fprintf(stderr, "%s: h was < 0 (%d)\n", name, h);
327 return false;
328 }
329 if (h > SVGA_MAX_HEIGHT) {
330 fprintf(stderr, "%s: h was > %d (%d)\n", name, SVGA_MAX_HEIGHT, h);
331 return false;
332 }
333 if (y + h > surface_height(surface)) {
334 fprintf(stderr, "%s: update height > %d (y: %d, h: %d)\n",
335 name, surface_height(surface), y, h);
336 return false;
337 }
338
339 return true;
340 }
341
342 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
343 int x, int y, int w, int h)
344 {
345 DisplaySurface *surface = qemu_console_surface(s->vga.con);
346 int line;
347 int bypl;
348 int width;
349 int start;
350 uint8_t *src;
351 uint8_t *dst;
352
353 if (!vmsvga_verify_rect(surface, __func__, x, y, w, h)) {
354 /* go for a fullscreen update as fallback */
355 x = 0;
356 y = 0;
357 w = surface_width(surface);
358 h = surface_height(surface);
359 }
360
361 bypl = surface_stride(surface);
362 width = surface_bytes_per_pixel(surface) * w;
363 start = surface_bytes_per_pixel(surface) * x + bypl * y;
364 src = s->vga.vram_ptr + start;
365 dst = surface_data(surface) + start;
366
367 for (line = h; line > 0; line--, src += bypl, dst += bypl) {
368 memcpy(dst, src, width);
369 }
370 dpy_gfx_update(s->vga.con, x, y, w, h);
371 }
372
373 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
374 int x, int y, int w, int h)
375 {
376 struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last++];
377
378 s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
379 rect->x = x;
380 rect->y = y;
381 rect->w = w;
382 rect->h = h;
383 }
384
385 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
386 {
387 struct vmsvga_rect_s *rect;
388
389 if (s->invalidated) {
390 s->redraw_fifo_first = s->redraw_fifo_last;
391 return;
392 }
393 /* Overlapping region updates can be optimised out here - if someone
394 * knows a smart algorithm to do that, please share. */
395 while (s->redraw_fifo_first != s->redraw_fifo_last) {
396 rect = &s->redraw_fifo[s->redraw_fifo_first++];
397 s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
398 vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
399 }
400 }
401
402 #ifdef HW_RECT_ACCEL
403 static inline int vmsvga_copy_rect(struct vmsvga_state_s *s,
404 int x0, int y0, int x1, int y1, int w, int h)
405 {
406 DisplaySurface *surface = qemu_console_surface(s->vga.con);
407 uint8_t *vram = s->vga.vram_ptr;
408 int bypl = surface_stride(surface);
409 int bypp = surface_bytes_per_pixel(surface);
410 int width = bypp * w;
411 int line = h;
412 uint8_t *ptr[2];
413
414 if (!vmsvga_verify_rect(surface, "vmsvga_copy_rect/src", x0, y0, w, h)) {
415 return -1;
416 }
417 if (!vmsvga_verify_rect(surface, "vmsvga_copy_rect/dst", x1, y1, w, h)) {
418 return -1;
419 }
420
421 if (y1 > y0) {
422 ptr[0] = vram + bypp * x0 + bypl * (y0 + h - 1);
423 ptr[1] = vram + bypp * x1 + bypl * (y1 + h - 1);
424 for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl) {
425 memmove(ptr[1], ptr[0], width);
426 }
427 } else {
428 ptr[0] = vram + bypp * x0 + bypl * y0;
429 ptr[1] = vram + bypp * x1 + bypl * y1;
430 for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl) {
431 memmove(ptr[1], ptr[0], width);
432 }
433 }
434
435 vmsvga_update_rect_delayed(s, x1, y1, w, h);
436 return 0;
437 }
438 #endif
439
440 #ifdef HW_FILL_ACCEL
441 static inline int vmsvga_fill_rect(struct vmsvga_state_s *s,
442 uint32_t c, int x, int y, int w, int h)
443 {
444 DisplaySurface *surface = qemu_console_surface(s->vga.con);
445 int bypl = surface_stride(surface);
446 int width = surface_bytes_per_pixel(surface) * w;
447 int line = h;
448 int column;
449 uint8_t *fst;
450 uint8_t *dst;
451 uint8_t *src;
452 uint8_t col[4];
453
454 if (!vmsvga_verify_rect(surface, __func__, x, y, w, h)) {
455 return -1;
456 }
457
458 col[0] = c;
459 col[1] = c >> 8;
460 col[2] = c >> 16;
461 col[3] = c >> 24;
462
463 fst = s->vga.vram_ptr + surface_bytes_per_pixel(surface) * x + bypl * y;
464
465 if (line--) {
466 dst = fst;
467 src = col;
468 for (column = width; column > 0; column--) {
469 *(dst++) = *(src++);
470 if (src - col == surface_bytes_per_pixel(surface)) {
471 src = col;
472 }
473 }
474 dst = fst;
475 for (; line > 0; line--) {
476 dst += bypl;
477 memcpy(dst, fst, width);
478 }
479 }
480
481 vmsvga_update_rect_delayed(s, x, y, w, h);
482 return 0;
483 }
484 #endif
485
486 struct vmsvga_cursor_definition_s {
487 uint32_t width;
488 uint32_t height;
489 int id;
490 uint32_t bpp;
491 int hot_x;
492 int hot_y;
493 uint32_t mask[1024];
494 uint32_t image[4096];
495 };
496
497 #define SVGA_BITMAP_SIZE(w, h) ((((w) + 31) >> 5) * (h))
498 #define SVGA_PIXMAP_SIZE(w, h, bpp) (((((w) * (bpp)) + 31) >> 5) * (h))
499
500 #ifdef HW_MOUSE_ACCEL
501 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
502 struct vmsvga_cursor_definition_s *c)
503 {
504 QEMUCursor *qc;
505 int i, pixels;
506
507 qc = cursor_alloc(c->width, c->height);
508 qc->hot_x = c->hot_x;
509 qc->hot_y = c->hot_y;
510 switch (c->bpp) {
511 case 1:
512 cursor_set_mono(qc, 0xffffff, 0x000000, (void *)c->image,
513 1, (void *)c->mask);
514 #ifdef DEBUG
515 cursor_print_ascii_art(qc, "vmware/mono");
516 #endif
517 break;
518 case 32:
519 /* fill alpha channel from mask, set color to zero */
520 cursor_set_mono(qc, 0x000000, 0x000000, (void *)c->mask,
521 1, (void *)c->mask);
522 /* add in rgb values */
523 pixels = c->width * c->height;
524 for (i = 0; i < pixels; i++) {
525 qc->data[i] |= c->image[i] & 0xffffff;
526 }
527 #ifdef DEBUG
528 cursor_print_ascii_art(qc, "vmware/32bit");
529 #endif
530 break;
531 default:
532 fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n",
533 __func__, c->bpp);
534 cursor_put(qc);
535 qc = cursor_builtin_left_ptr();
536 }
537
538 dpy_cursor_define(s->vga.con, qc);
539 cursor_put(qc);
540 }
541 #endif
542
543 static inline int vmsvga_fifo_length(struct vmsvga_state_s *s)
544 {
545 int num;
546
547 if (!s->config || !s->enable) {
548 return 0;
549 }
550
551 s->fifo_min = le32_to_cpu(s->fifo[SVGA_FIFO_MIN]);
552 s->fifo_max = le32_to_cpu(s->fifo[SVGA_FIFO_MAX]);
553 s->fifo_next = le32_to_cpu(s->fifo[SVGA_FIFO_NEXT]);
554 s->fifo_stop = le32_to_cpu(s->fifo[SVGA_FIFO_STOP]);
555
556 /* Check range and alignment. */
557 if ((s->fifo_min | s->fifo_max | s->fifo_next | s->fifo_stop) & 3) {
558 return 0;
559 }
560 if (s->fifo_min < sizeof(uint32_t) * 4) {
561 return 0;
562 }
563 if (s->fifo_max > SVGA_FIFO_SIZE ||
564 s->fifo_min >= SVGA_FIFO_SIZE ||
565 s->fifo_stop >= SVGA_FIFO_SIZE ||
566 s->fifo_next >= SVGA_FIFO_SIZE) {
567 return 0;
568 }
569 if (s->fifo_max < s->fifo_min + 10 * KiB) {
570 return 0;
571 }
572
573 num = s->fifo_next - s->fifo_stop;
574 if (num < 0) {
575 num += s->fifo_max - s->fifo_min;
576 }
577 return num >> 2;
578 }
579
580 static inline uint32_t vmsvga_fifo_read_raw(struct vmsvga_state_s *s)
581 {
582 uint32_t cmd = s->fifo[s->fifo_stop >> 2];
583
584 s->fifo_stop += 4;
585 if (s->fifo_stop >= s->fifo_max) {
586 s->fifo_stop = s->fifo_min;
587 }
588 s->fifo[SVGA_FIFO_STOP] = cpu_to_le32(s->fifo_stop);
589 return cmd;
590 }
591
592 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
593 {
594 return le32_to_cpu(vmsvga_fifo_read_raw(s));
595 }
596
597 static void vmsvga_fifo_run(struct vmsvga_state_s *s)
598 {
599 uint32_t cmd, colour;
600 int args, len, maxloop = 1024;
601 int x, y, dx, dy, width, height;
602 struct vmsvga_cursor_definition_s cursor;
603 uint32_t cmd_start;
604
605 len = vmsvga_fifo_length(s);
606 while (len > 0 && --maxloop > 0) {
607 /* May need to go back to the start of the command if incomplete */
608 cmd_start = s->fifo_stop;
609
610 switch (cmd = vmsvga_fifo_read(s)) {
611 case SVGA_CMD_UPDATE:
612 case SVGA_CMD_UPDATE_VERBOSE:
613 len -= 5;
614 if (len < 0) {
615 goto rewind;
616 }
617
618 x = vmsvga_fifo_read(s);
619 y = vmsvga_fifo_read(s);
620 width = vmsvga_fifo_read(s);
621 height = vmsvga_fifo_read(s);
622 vmsvga_update_rect_delayed(s, x, y, width, height);
623 break;
624
625 case SVGA_CMD_RECT_FILL:
626 len -= 6;
627 if (len < 0) {
628 goto rewind;
629 }
630
631 colour = vmsvga_fifo_read(s);
632 x = vmsvga_fifo_read(s);
633 y = vmsvga_fifo_read(s);
634 width = vmsvga_fifo_read(s);
635 height = vmsvga_fifo_read(s);
636 #ifdef HW_FILL_ACCEL
637 if (vmsvga_fill_rect(s, colour, x, y, width, height) == 0) {
638 break;
639 }
640 #endif
641 args = 0;
642 goto badcmd;
643
644 case SVGA_CMD_RECT_COPY:
645 len -= 7;
646 if (len < 0) {
647 goto rewind;
648 }
649
650 x = vmsvga_fifo_read(s);
651 y = vmsvga_fifo_read(s);
652 dx = vmsvga_fifo_read(s);
653 dy = vmsvga_fifo_read(s);
654 width = vmsvga_fifo_read(s);
655 height = vmsvga_fifo_read(s);
656 #ifdef HW_RECT_ACCEL
657 if (vmsvga_copy_rect(s, x, y, dx, dy, width, height) == 0) {
658 break;
659 }
660 #endif
661 args = 0;
662 goto badcmd;
663
664 case SVGA_CMD_DEFINE_CURSOR:
665 len -= 8;
666 if (len < 0) {
667 goto rewind;
668 }
669
670 cursor.id = vmsvga_fifo_read(s);
671 cursor.hot_x = vmsvga_fifo_read(s);
672 cursor.hot_y = vmsvga_fifo_read(s);
673 cursor.width = x = vmsvga_fifo_read(s);
674 cursor.height = y = vmsvga_fifo_read(s);
675 vmsvga_fifo_read(s);
676 cursor.bpp = vmsvga_fifo_read(s);
677
678 args = SVGA_BITMAP_SIZE(x, y) + SVGA_PIXMAP_SIZE(x, y, cursor.bpp);
679 if (cursor.width > 256
680 || cursor.height > 256
681 || cursor.bpp > 32
682 || SVGA_BITMAP_SIZE(x, y) > ARRAY_SIZE(cursor.mask)
683 || SVGA_PIXMAP_SIZE(x, y, cursor.bpp)
684 > ARRAY_SIZE(cursor.image)) {
685 goto badcmd;
686 }
687
688 len -= args;
689 if (len < 0) {
690 goto rewind;
691 }
692
693 for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args++) {
694 cursor.mask[args] = vmsvga_fifo_read_raw(s);
695 }
696 for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args++) {
697 cursor.image[args] = vmsvga_fifo_read_raw(s);
698 }
699 #ifdef HW_MOUSE_ACCEL
700 vmsvga_cursor_define(s, &cursor);
701 break;
702 #else
703 args = 0;
704 goto badcmd;
705 #endif
706
707 /*
708 * Other commands that we at least know the number of arguments
709 * for so we can avoid FIFO desync if driver uses them illegally.
710 */
711 case SVGA_CMD_DEFINE_ALPHA_CURSOR:
712 len -= 6;
713 if (len < 0) {
714 goto rewind;
715 }
716 vmsvga_fifo_read(s);
717 vmsvga_fifo_read(s);
718 vmsvga_fifo_read(s);
719 x = vmsvga_fifo_read(s);
720 y = vmsvga_fifo_read(s);
721 args = x * y;
722 goto badcmd;
723 case SVGA_CMD_RECT_ROP_FILL:
724 args = 6;
725 goto badcmd;
726 case SVGA_CMD_RECT_ROP_COPY:
727 args = 7;
728 goto badcmd;
729 case SVGA_CMD_DRAW_GLYPH_CLIPPED:
730 len -= 4;
731 if (len < 0) {
732 goto rewind;
733 }
734 vmsvga_fifo_read(s);
735 vmsvga_fifo_read(s);
736 args = 7 + (vmsvga_fifo_read(s) >> 2);
737 goto badcmd;
738 case SVGA_CMD_SURFACE_ALPHA_BLEND:
739 args = 12;
740 goto badcmd;
741
742 /*
743 * Other commands that are not listed as depending on any
744 * CAPABILITIES bits, but are not described in the README either.
745 */
746 case SVGA_CMD_SURFACE_FILL:
747 case SVGA_CMD_SURFACE_COPY:
748 case SVGA_CMD_FRONT_ROP_FILL:
749 case SVGA_CMD_FENCE:
750 case SVGA_CMD_INVALID_CMD:
751 break; /* Nop */
752
753 default:
754 args = 0;
755 badcmd:
756 len -= args;
757 if (len < 0) {
758 goto rewind;
759 }
760 while (args--) {
761 vmsvga_fifo_read(s);
762 }
763 printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
764 __func__, cmd);
765 break;
766
767 rewind:
768 s->fifo_stop = cmd_start;
769 s->fifo[SVGA_FIFO_STOP] = cpu_to_le32(s->fifo_stop);
770 break;
771 }
772 }
773
774 s->syncing = 0;
775 }
776
777 static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
778 {
779 struct vmsvga_state_s *s = opaque;
780
781 return s->index;
782 }
783
784 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
785 {
786 struct vmsvga_state_s *s = opaque;
787
788 s->index = index;
789 }
790
791 static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
792 {
793 uint32_t caps;
794 struct vmsvga_state_s *s = opaque;
795 DisplaySurface *surface = qemu_console_surface(s->vga.con);
796 PixelFormat pf;
797 uint32_t ret;
798
799 switch (s->index) {
800 case SVGA_REG_ID:
801 ret = s->svgaid;
802 break;
803
804 case SVGA_REG_ENABLE:
805 ret = s->enable;
806 break;
807
808 case SVGA_REG_WIDTH:
809 ret = s->new_width ? s->new_width : surface_width(surface);
810 break;
811
812 case SVGA_REG_HEIGHT:
813 ret = s->new_height ? s->new_height : surface_height(surface);
814 break;
815
816 case SVGA_REG_MAX_WIDTH:
817 ret = SVGA_MAX_WIDTH;
818 break;
819
820 case SVGA_REG_MAX_HEIGHT:
821 ret = SVGA_MAX_HEIGHT;
822 break;
823
824 case SVGA_REG_DEPTH:
825 ret = (s->new_depth == 32) ? 24 : s->new_depth;
826 break;
827
828 case SVGA_REG_BITS_PER_PIXEL:
829 case SVGA_REG_HOST_BITS_PER_PIXEL:
830 ret = s->new_depth;
831 break;
832
833 case SVGA_REG_PSEUDOCOLOR:
834 ret = 0x0;
835 break;
836
837 case SVGA_REG_RED_MASK:
838 pf = qemu_default_pixelformat(s->new_depth);
839 ret = pf.rmask;
840 break;
841
842 case SVGA_REG_GREEN_MASK:
843 pf = qemu_default_pixelformat(s->new_depth);
844 ret = pf.gmask;
845 break;
846
847 case SVGA_REG_BLUE_MASK:
848 pf = qemu_default_pixelformat(s->new_depth);
849 ret = pf.bmask;
850 break;
851
852 case SVGA_REG_BYTES_PER_LINE:
853 if (s->new_width) {
854 ret = (s->new_depth * s->new_width) / 8;
855 } else {
856 ret = surface_stride(surface);
857 }
858 break;
859
860 case SVGA_REG_FB_START: {
861 struct pci_vmsvga_state_s *pci_vmsvga
862 = container_of(s, struct pci_vmsvga_state_s, chip);
863 ret = pci_get_bar_addr(PCI_DEVICE(pci_vmsvga), 1);
864 break;
865 }
866
867 case SVGA_REG_FB_OFFSET:
868 ret = 0x0;
869 break;
870
871 case SVGA_REG_VRAM_SIZE:
872 ret = s->vga.vram_size; /* No physical VRAM besides the framebuffer */
873 break;
874
875 case SVGA_REG_FB_SIZE:
876 ret = s->vga.vram_size;
877 break;
878
879 case SVGA_REG_CAPABILITIES:
880 caps = SVGA_CAP_NONE;
881 #ifdef HW_RECT_ACCEL
882 caps |= SVGA_CAP_RECT_COPY;
883 #endif
884 #ifdef HW_FILL_ACCEL
885 caps |= SVGA_CAP_RECT_FILL;
886 #endif
887 #ifdef HW_MOUSE_ACCEL
888 if (dpy_cursor_define_supported(s->vga.con)) {
889 caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
890 SVGA_CAP_CURSOR_BYPASS;
891 }
892 #endif
893 ret = caps;
894 break;
895
896 case SVGA_REG_MEM_START: {
897 struct pci_vmsvga_state_s *pci_vmsvga
898 = container_of(s, struct pci_vmsvga_state_s, chip);
899 ret = pci_get_bar_addr(PCI_DEVICE(pci_vmsvga), 2);
900 break;
901 }
902
903 case SVGA_REG_MEM_SIZE:
904 ret = s->fifo_size;
905 break;
906
907 case SVGA_REG_CONFIG_DONE:
908 ret = s->config;
909 break;
910
911 case SVGA_REG_SYNC:
912 case SVGA_REG_BUSY:
913 ret = s->syncing;
914 break;
915
916 case SVGA_REG_GUEST_ID:
917 ret = s->guest;
918 break;
919
920 case SVGA_REG_CURSOR_ID:
921 ret = s->cursor.id;
922 break;
923
924 case SVGA_REG_CURSOR_X:
925 ret = s->cursor.x;
926 break;
927
928 case SVGA_REG_CURSOR_Y:
929 ret = s->cursor.y;
930 break;
931
932 case SVGA_REG_CURSOR_ON:
933 ret = s->cursor.on;
934 break;
935
936 case SVGA_REG_SCRATCH_SIZE:
937 ret = s->scratch_size;
938 break;
939
940 case SVGA_REG_MEM_REGS:
941 case SVGA_REG_NUM_DISPLAYS:
942 case SVGA_REG_PITCHLOCK:
943 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
944 ret = 0;
945 break;
946
947 default:
948 if (s->index >= SVGA_SCRATCH_BASE &&
949 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
950 ret = s->scratch[s->index - SVGA_SCRATCH_BASE];
951 break;
952 }
953 printf("%s: Bad register %02x\n", __func__, s->index);
954 ret = 0;
955 break;
956 }
957
958 if (s->index >= SVGA_SCRATCH_BASE) {
959 trace_vmware_scratch_read(s->index, ret);
960 } else if (s->index >= SVGA_PALETTE_BASE) {
961 trace_vmware_palette_read(s->index, ret);
962 } else {
963 trace_vmware_value_read(s->index, ret);
964 }
965 return ret;
966 }
967
968 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
969 {
970 struct vmsvga_state_s *s = opaque;
971
972 if (s->index >= SVGA_SCRATCH_BASE) {
973 trace_vmware_scratch_write(s->index, value);
974 } else if (s->index >= SVGA_PALETTE_BASE) {
975 trace_vmware_palette_write(s->index, value);
976 } else {
977 trace_vmware_value_write(s->index, value);
978 }
979 switch (s->index) {
980 case SVGA_REG_ID:
981 if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0) {
982 s->svgaid = value;
983 }
984 break;
985
986 case SVGA_REG_ENABLE:
987 s->enable = !!value;
988 s->invalidated = 1;
989 s->vga.hw_ops->invalidate(&s->vga);
990 if (s->enable && s->config) {
991 vga_dirty_log_stop(&s->vga);
992 } else {
993 vga_dirty_log_start(&s->vga);
994 }
995 break;
996
997 case SVGA_REG_WIDTH:
998 if (value <= SVGA_MAX_WIDTH) {
999 s->new_width = value;
1000 s->invalidated = 1;
1001 } else {
1002 printf("%s: Bad width: %i\n", __func__, value);
1003 }
1004 break;
1005
1006 case SVGA_REG_HEIGHT:
1007 if (value <= SVGA_MAX_HEIGHT) {
1008 s->new_height = value;
1009 s->invalidated = 1;
1010 } else {
1011 printf("%s: Bad height: %i\n", __func__, value);
1012 }
1013 break;
1014
1015 case SVGA_REG_BITS_PER_PIXEL:
1016 if (value != 32) {
1017 printf("%s: Bad bits per pixel: %i bits\n", __func__, value);
1018 s->config = 0;
1019 s->invalidated = 1;
1020 }
1021 break;
1022
1023 case SVGA_REG_CONFIG_DONE:
1024 if (value) {
1025 s->fifo = (uint32_t *) s->fifo_ptr;
1026 vga_dirty_log_stop(&s->vga);
1027 }
1028 s->config = !!value;
1029 break;
1030
1031 case SVGA_REG_SYNC:
1032 s->syncing = 1;
1033 vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
1034 break;
1035
1036 case SVGA_REG_GUEST_ID:
1037 s->guest = value;
1038 #ifdef VERBOSE
1039 if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
1040 ARRAY_SIZE(vmsvga_guest_id)) {
1041 printf("%s: guest runs %s.\n", __func__,
1042 vmsvga_guest_id[value - GUEST_OS_BASE]);
1043 }
1044 #endif
1045 break;
1046
1047 case SVGA_REG_CURSOR_ID:
1048 s->cursor.id = value;
1049 break;
1050
1051 case SVGA_REG_CURSOR_X:
1052 s->cursor.x = value;
1053 break;
1054
1055 case SVGA_REG_CURSOR_Y:
1056 s->cursor.y = value;
1057 break;
1058
1059 case SVGA_REG_CURSOR_ON:
1060 s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
1061 s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
1062 #ifdef HW_MOUSE_ACCEL
1063 if (value <= SVGA_CURSOR_ON_SHOW) {
1064 dpy_mouse_set(s->vga.con, s->cursor.x, s->cursor.y, s->cursor.on);
1065 }
1066 #endif
1067 break;
1068
1069 case SVGA_REG_DEPTH:
1070 case SVGA_REG_MEM_REGS:
1071 case SVGA_REG_NUM_DISPLAYS:
1072 case SVGA_REG_PITCHLOCK:
1073 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
1074 break;
1075
1076 default:
1077 if (s->index >= SVGA_SCRATCH_BASE &&
1078 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
1079 s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
1080 break;
1081 }
1082 printf("%s: Bad register %02x\n", __func__, s->index);
1083 }
1084 }
1085
1086 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
1087 {
1088 printf("%s: what are we supposed to return?\n", __func__);
1089 return 0xcafe;
1090 }
1091
1092 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
1093 {
1094 printf("%s: what are we supposed to do with (%08x)?\n", __func__, data);
1095 }
1096
1097 static inline void vmsvga_check_size(struct vmsvga_state_s *s)
1098 {
1099 DisplaySurface *surface = qemu_console_surface(s->vga.con);
1100
1101 if (s->new_width != surface_width(surface) ||
1102 s->new_height != surface_height(surface) ||
1103 s->new_depth != surface_bits_per_pixel(surface)) {
1104 int stride = (s->new_depth * s->new_width) / 8;
1105 pixman_format_code_t format =
1106 qemu_default_pixman_format(s->new_depth, true);
1107 trace_vmware_setmode(s->new_width, s->new_height, s->new_depth);
1108 surface = qemu_create_displaysurface_from(s->new_width, s->new_height,
1109 format, stride,
1110 s->vga.vram_ptr);
1111 dpy_gfx_replace_surface(s->vga.con, surface);
1112 s->invalidated = 1;
1113 }
1114 }
1115
1116 static void vmsvga_update_display(void *opaque)
1117 {
1118 struct vmsvga_state_s *s = opaque;
1119
1120 if (!s->enable || !s->config) {
1121 /* in standard vga mode */
1122 s->vga.hw_ops->gfx_update(&s->vga);
1123 return;
1124 }
1125
1126 vmsvga_check_size(s);
1127
1128 vmsvga_fifo_run(s);
1129 vmsvga_update_rect_flush(s);
1130
1131 if (s->invalidated) {
1132 s->invalidated = 0;
1133 dpy_gfx_update_full(s->vga.con);
1134 }
1135 }
1136
1137 static void vmsvga_reset(DeviceState *dev)
1138 {
1139 struct pci_vmsvga_state_s *pci = VMWARE_SVGA(dev);
1140 struct vmsvga_state_s *s = &pci->chip;
1141
1142 s->index = 0;
1143 s->enable = 0;
1144 s->config = 0;
1145 s->svgaid = SVGA_ID;
1146 s->cursor.on = 0;
1147 s->redraw_fifo_first = 0;
1148 s->redraw_fifo_last = 0;
1149 s->syncing = 0;
1150
1151 vga_dirty_log_start(&s->vga);
1152 }
1153
1154 static void vmsvga_invalidate_display(void *opaque)
1155 {
1156 struct vmsvga_state_s *s = opaque;
1157 if (!s->enable) {
1158 s->vga.hw_ops->invalidate(&s->vga);
1159 return;
1160 }
1161
1162 s->invalidated = 1;
1163 }
1164
1165 static void vmsvga_text_update(void *opaque, console_ch_t *chardata)
1166 {
1167 struct vmsvga_state_s *s = opaque;
1168
1169 if (s->vga.hw_ops->text_update) {
1170 s->vga.hw_ops->text_update(&s->vga, chardata);
1171 }
1172 }
1173
1174 static int vmsvga_post_load(void *opaque, int version_id)
1175 {
1176 struct vmsvga_state_s *s = opaque;
1177
1178 s->invalidated = 1;
1179 if (s->config) {
1180 s->fifo = (uint32_t *) s->fifo_ptr;
1181 }
1182 return 0;
1183 }
1184
1185 static const VMStateDescription vmstate_vmware_vga_internal = {
1186 .name = "vmware_vga_internal",
1187 .version_id = 0,
1188 .minimum_version_id = 0,
1189 .post_load = vmsvga_post_load,
1190 .fields = (VMStateField[]) {
1191 VMSTATE_INT32_EQUAL(new_depth, struct vmsvga_state_s, NULL),
1192 VMSTATE_INT32(enable, struct vmsvga_state_s),
1193 VMSTATE_INT32(config, struct vmsvga_state_s),
1194 VMSTATE_INT32(cursor.id, struct vmsvga_state_s),
1195 VMSTATE_INT32(cursor.x, struct vmsvga_state_s),
1196 VMSTATE_INT32(cursor.y, struct vmsvga_state_s),
1197 VMSTATE_INT32(cursor.on, struct vmsvga_state_s),
1198 VMSTATE_INT32(index, struct vmsvga_state_s),
1199 VMSTATE_VARRAY_INT32(scratch, struct vmsvga_state_s,
1200 scratch_size, 0, vmstate_info_uint32, uint32_t),
1201 VMSTATE_INT32(new_width, struct vmsvga_state_s),
1202 VMSTATE_INT32(new_height, struct vmsvga_state_s),
1203 VMSTATE_UINT32(guest, struct vmsvga_state_s),
1204 VMSTATE_UINT32(svgaid, struct vmsvga_state_s),
1205 VMSTATE_INT32(syncing, struct vmsvga_state_s),
1206 VMSTATE_UNUSED(4), /* was fb_size */
1207 VMSTATE_END_OF_LIST()
1208 }
1209 };
1210
1211 static const VMStateDescription vmstate_vmware_vga = {
1212 .name = "vmware_vga",
1213 .version_id = 0,
1214 .minimum_version_id = 0,
1215 .fields = (VMStateField[]) {
1216 VMSTATE_PCI_DEVICE(parent_obj, struct pci_vmsvga_state_s),
1217 VMSTATE_STRUCT(chip, struct pci_vmsvga_state_s, 0,
1218 vmstate_vmware_vga_internal, struct vmsvga_state_s),
1219 VMSTATE_END_OF_LIST()
1220 }
1221 };
1222
1223 static const GraphicHwOps vmsvga_ops = {
1224 .invalidate = vmsvga_invalidate_display,
1225 .gfx_update = vmsvga_update_display,
1226 .text_update = vmsvga_text_update,
1227 };
1228
1229 static void vmsvga_init(DeviceState *dev, struct vmsvga_state_s *s,
1230 MemoryRegion *address_space, MemoryRegion *io)
1231 {
1232 s->scratch_size = SVGA_SCRATCH_SIZE;
1233 s->scratch = g_malloc(s->scratch_size * 4);
1234
1235 s->vga.con = graphic_console_init(dev, 0, &vmsvga_ops, s);
1236
1237 s->fifo_size = SVGA_FIFO_SIZE;
1238 memory_region_init_ram(&s->fifo_ram, NULL, "vmsvga.fifo", s->fifo_size,
1239 &error_fatal);
1240 s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
1241
1242 vga_common_init(&s->vga, OBJECT(dev));
1243 vga_init(&s->vga, OBJECT(dev), address_space, io, true);
1244 vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
1245 s->new_depth = 32;
1246 }
1247
1248 static uint64_t vmsvga_io_read(void *opaque, hwaddr addr, unsigned size)
1249 {
1250 struct vmsvga_state_s *s = opaque;
1251
1252 switch (addr) {
1253 case SVGA_IO_MUL * SVGA_INDEX_PORT: return vmsvga_index_read(s, addr);
1254 case SVGA_IO_MUL * SVGA_VALUE_PORT: return vmsvga_value_read(s, addr);
1255 case SVGA_IO_MUL * SVGA_BIOS_PORT: return vmsvga_bios_read(s, addr);
1256 default: return -1u;
1257 }
1258 }
1259
1260 static void vmsvga_io_write(void *opaque, hwaddr addr,
1261 uint64_t data, unsigned size)
1262 {
1263 struct vmsvga_state_s *s = opaque;
1264
1265 switch (addr) {
1266 case SVGA_IO_MUL * SVGA_INDEX_PORT:
1267 vmsvga_index_write(s, addr, data);
1268 break;
1269 case SVGA_IO_MUL * SVGA_VALUE_PORT:
1270 vmsvga_value_write(s, addr, data);
1271 break;
1272 case SVGA_IO_MUL * SVGA_BIOS_PORT:
1273 vmsvga_bios_write(s, addr, data);
1274 break;
1275 }
1276 }
1277
1278 static const MemoryRegionOps vmsvga_io_ops = {
1279 .read = vmsvga_io_read,
1280 .write = vmsvga_io_write,
1281 .endianness = DEVICE_LITTLE_ENDIAN,
1282 .valid = {
1283 .min_access_size = 4,
1284 .max_access_size = 4,
1285 .unaligned = true,
1286 },
1287 .impl = {
1288 .unaligned = true,
1289 },
1290 };
1291
1292 static void pci_vmsvga_realize(PCIDevice *dev, Error **errp)
1293 {
1294 struct pci_vmsvga_state_s *s = VMWARE_SVGA(dev);
1295
1296 dev->config[PCI_CACHE_LINE_SIZE] = 0x08;
1297 dev->config[PCI_LATENCY_TIMER] = 0x40;
1298 dev->config[PCI_INTERRUPT_LINE] = 0xff; /* End */
1299
1300 memory_region_init_io(&s->io_bar, NULL, &vmsvga_io_ops, &s->chip,
1301 "vmsvga-io", 0x10);
1302 memory_region_set_flush_coalesced(&s->io_bar);
1303 pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
1304
1305 vmsvga_init(DEVICE(dev), &s->chip,
1306 pci_address_space(dev), pci_address_space_io(dev));
1307
1308 pci_register_bar(dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
1309 &s->chip.vga.vram);
1310 pci_register_bar(dev, 2, PCI_BASE_ADDRESS_MEM_PREFETCH,
1311 &s->chip.fifo_ram);
1312
1313 if (!dev->rom_bar) {
1314 /* compatibility with pc-0.13 and older */
1315 vga_init_vbe(&s->chip.vga, OBJECT(dev), pci_address_space(dev));
1316 }
1317 }
1318
1319 static Property vga_vmware_properties[] = {
1320 DEFINE_PROP_UINT32("vgamem_mb", struct pci_vmsvga_state_s,
1321 chip.vga.vram_size_mb, 16),
1322 DEFINE_PROP_BOOL("global-vmstate", struct pci_vmsvga_state_s,
1323 chip.vga.global_vmstate, false),
1324 DEFINE_PROP_END_OF_LIST(),
1325 };
1326
1327 static void vmsvga_class_init(ObjectClass *klass, void *data)
1328 {
1329 DeviceClass *dc = DEVICE_CLASS(klass);
1330 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1331
1332 k->realize = pci_vmsvga_realize;
1333 k->romfile = "vgabios-vmware.bin";
1334 k->vendor_id = PCI_VENDOR_ID_VMWARE;
1335 k->device_id = SVGA_PCI_DEVICE_ID;
1336 k->class_id = PCI_CLASS_DISPLAY_VGA;
1337 k->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE;
1338 k->subsystem_id = SVGA_PCI_DEVICE_ID;
1339 dc->reset = vmsvga_reset;
1340 dc->vmsd = &vmstate_vmware_vga;
1341 dc->props = vga_vmware_properties;
1342 dc->hotpluggable = false;
1343 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
1344 }
1345
1346 static const TypeInfo vmsvga_info = {
1347 .name = TYPE_VMWARE_SVGA,
1348 .parent = TYPE_PCI_DEVICE,
1349 .instance_size = sizeof(struct pci_vmsvga_state_s),
1350 .class_init = vmsvga_class_init,
1351 .interfaces = (InterfaceInfo[]) {
1352 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
1353 { },
1354 },
1355 };
1356
1357 static void vmsvga_register_types(void)
1358 {
1359 type_register_static(&vmsvga_info);
1360 }
1361
1362 type_init(vmsvga_register_types)
AR7 emulation for QEMU