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Merge remote-tracking branch 'remotes/dgilbert-gitlab/tags/pull-migration-20210726a...
[qemu/armbru.git] / hw / display / vmware_vga.c
blobe2969a6c81c83190a334c35a6db10db209941e92
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
25 #include "qemu/osdep.h"
26 #include "qemu/module.h"
27 #include "qemu/units.h"
28 #include "qapi/error.h"
29 #include "qemu/log.h"
30 #include "hw/loader.h"
31 #include "trace.h"
32 #include "hw/pci/pci.h"
33 #include "hw/qdev-properties.h"
34 #include "migration/vmstate.h"
35 #include "qom/object.h"
36
37 #undef VERBOSE
38 #define HW_RECT_ACCEL
39 #define HW_FILL_ACCEL
40 #define HW_MOUSE_ACCEL
41
42 #include "vga_int.h"
43
44 /* See http://vmware-svga.sf.net/ for some documentation on VMWare SVGA */
45
46 struct vmsvga_state_s {
47 VGACommonState vga;
48
49 int invalidated;
50 int enable;
51 int config;
52 struct {
53 int id;
54 int x;
55 int y;
56 int on;
57 } cursor;
58
59 int index;
60 int scratch_size;
61 uint32_t *scratch;
62 int new_width;
63 int new_height;
64 int new_depth;
65 uint32_t guest;
66 uint32_t svgaid;
67 int syncing;
68
69 MemoryRegion fifo_ram;
70 uint8_t *fifo_ptr;
71 unsigned int fifo_size;
72
73 uint32_t *fifo;
74 uint32_t fifo_min;
75 uint32_t fifo_max;
76 uint32_t fifo_next;
77 uint32_t fifo_stop;
78
79 #define REDRAW_FIFO_LEN 512
80 struct vmsvga_rect_s {
81 int x, y, w, h;
82 } redraw_fifo[REDRAW_FIFO_LEN];
83 int redraw_fifo_first, redraw_fifo_last;
84 };
85
86 #define TYPE_VMWARE_SVGA "vmware-svga"
87
88 DECLARE_INSTANCE_CHECKER(struct pci_vmsvga_state_s, VMWARE_SVGA,
89 TYPE_VMWARE_SVGA)
90
91 struct pci_vmsvga_state_s {
92 /*< private >*/
93 PCIDevice parent_obj;
94 /*< public >*/
95
96 struct vmsvga_state_s chip;
97 MemoryRegion io_bar;
98 };
99
100 #define SVGA_MAGIC 0x900000UL
101 #define SVGA_MAKE_ID(ver) (SVGA_MAGIC << 8 | (ver))
102 #define SVGA_ID_0 SVGA_MAKE_ID(0)
103 #define SVGA_ID_1 SVGA_MAKE_ID(1)
104 #define SVGA_ID_2 SVGA_MAKE_ID(2)
105
106 #define SVGA_LEGACY_BASE_PORT 0x4560
107 #define SVGA_INDEX_PORT 0x0
108 #define SVGA_VALUE_PORT 0x1
109 #define SVGA_BIOS_PORT 0x2
110
111 #define SVGA_VERSION_2
112
113 #ifdef SVGA_VERSION_2
114 # define SVGA_ID SVGA_ID_2
115 # define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
116 # define SVGA_IO_MUL 1
117 # define SVGA_FIFO_SIZE 0x10000
118 # define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA2
119 #else
120 # define SVGA_ID SVGA_ID_1
121 # define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
122 # define SVGA_IO_MUL 4
123 # define SVGA_FIFO_SIZE 0x10000
124 # define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA
125 #endif
126
127 enum {
128 /* ID 0, 1 and 2 registers */
129 SVGA_REG_ID = 0,
130 SVGA_REG_ENABLE = 1,
131 SVGA_REG_WIDTH = 2,
132 SVGA_REG_HEIGHT = 3,
133 SVGA_REG_MAX_WIDTH = 4,
134 SVGA_REG_MAX_HEIGHT = 5,
135 SVGA_REG_DEPTH = 6,
136 SVGA_REG_BITS_PER_PIXEL = 7, /* Current bpp in the guest */
137 SVGA_REG_PSEUDOCOLOR = 8,
138 SVGA_REG_RED_MASK = 9,
139 SVGA_REG_GREEN_MASK = 10,
140 SVGA_REG_BLUE_MASK = 11,
141 SVGA_REG_BYTES_PER_LINE = 12,
142 SVGA_REG_FB_START = 13,
143 SVGA_REG_FB_OFFSET = 14,
144 SVGA_REG_VRAM_SIZE = 15,
145 SVGA_REG_FB_SIZE = 16,
146
147 /* ID 1 and 2 registers */
148 SVGA_REG_CAPABILITIES = 17,
149 SVGA_REG_MEM_START = 18, /* Memory for command FIFO */
150 SVGA_REG_MEM_SIZE = 19,
151 SVGA_REG_CONFIG_DONE = 20, /* Set when memory area configured */
152 SVGA_REG_SYNC = 21, /* Write to force synchronization */
153 SVGA_REG_BUSY = 22, /* Read to check if sync is done */
154 SVGA_REG_GUEST_ID = 23, /* Set guest OS identifier */
155 SVGA_REG_CURSOR_ID = 24, /* ID of cursor */
156 SVGA_REG_CURSOR_X = 25, /* Set cursor X position */
157 SVGA_REG_CURSOR_Y = 26, /* Set cursor Y position */
158 SVGA_REG_CURSOR_ON = 27, /* Turn cursor on/off */
159 SVGA_REG_HOST_BITS_PER_PIXEL = 28, /* Current bpp in the host */
160 SVGA_REG_SCRATCH_SIZE = 29, /* Number of scratch registers */
161 SVGA_REG_MEM_REGS = 30, /* Number of FIFO registers */
162 SVGA_REG_NUM_DISPLAYS = 31, /* Number of guest displays */
163 SVGA_REG_PITCHLOCK = 32, /* Fixed pitch for all modes */
164
165 SVGA_PALETTE_BASE = 1024, /* Base of SVGA color map */
166 SVGA_PALETTE_END = SVGA_PALETTE_BASE + 767,
167 SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
168 };
169
170 #define SVGA_CAP_NONE 0
171 #define SVGA_CAP_RECT_FILL (1 << 0)
172 #define SVGA_CAP_RECT_COPY (1 << 1)
173 #define SVGA_CAP_RECT_PAT_FILL (1 << 2)
174 #define SVGA_CAP_LEGACY_OFFSCREEN (1 << 3)
175 #define SVGA_CAP_RASTER_OP (1 << 4)
176 #define SVGA_CAP_CURSOR (1 << 5)
177 #define SVGA_CAP_CURSOR_BYPASS (1 << 6)
178 #define SVGA_CAP_CURSOR_BYPASS_2 (1 << 7)
179 #define SVGA_CAP_8BIT_EMULATION (1 << 8)
180 #define SVGA_CAP_ALPHA_CURSOR (1 << 9)
181 #define SVGA_CAP_GLYPH (1 << 10)
182 #define SVGA_CAP_GLYPH_CLIPPING (1 << 11)
183 #define SVGA_CAP_OFFSCREEN_1 (1 << 12)
184 #define SVGA_CAP_ALPHA_BLEND (1 << 13)
185 #define SVGA_CAP_3D (1 << 14)
186 #define SVGA_CAP_EXTENDED_FIFO (1 << 15)
187 #define SVGA_CAP_MULTIMON (1 << 16)
188 #define SVGA_CAP_PITCHLOCK (1 << 17)
189
190 /*
191 * FIFO offsets (seen as an array of 32-bit words)
192 */
193 enum {
194 /*
195 * The original defined FIFO offsets
196 */
197 SVGA_FIFO_MIN = 0,
198 SVGA_FIFO_MAX, /* The distance from MIN to MAX must be at least 10K */
199 SVGA_FIFO_NEXT,
200 SVGA_FIFO_STOP,
201
202 /*
203 * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
204 */
205 SVGA_FIFO_CAPABILITIES = 4,
206 SVGA_FIFO_FLAGS,
207 SVGA_FIFO_FENCE,
208 SVGA_FIFO_3D_HWVERSION,
209 SVGA_FIFO_PITCHLOCK,
210 };
211
212 #define SVGA_FIFO_CAP_NONE 0
213 #define SVGA_FIFO_CAP_FENCE (1 << 0)
214 #define SVGA_FIFO_CAP_ACCELFRONT (1 << 1)
215 #define SVGA_FIFO_CAP_PITCHLOCK (1 << 2)
216
217 #define SVGA_FIFO_FLAG_NONE 0
218 #define SVGA_FIFO_FLAG_ACCELFRONT (1 << 0)
219
220 /* These values can probably be changed arbitrarily. */
221 #define SVGA_SCRATCH_SIZE 0x8000
222 #define SVGA_MAX_WIDTH 2368
223 #define SVGA_MAX_HEIGHT 1770
224
225 #ifdef VERBOSE
226 # define GUEST_OS_BASE 0x5001
227 static const char *vmsvga_guest_id[] = {
228 [0x00] = "Dos",
229 [0x01] = "Windows 3.1",
230 [0x02] = "Windows 95",
231 [0x03] = "Windows 98",
232 [0x04] = "Windows ME",
233 [0x05] = "Windows NT",
234 [0x06] = "Windows 2000",
235 [0x07] = "Linux",
236 [0x08] = "OS/2",
237 [0x09] = "an unknown OS",
238 [0x0a] = "BSD",
239 [0x0b] = "Whistler",
240 [0x0c] = "an unknown OS",
241 [0x0d] = "an unknown OS",
242 [0x0e] = "an unknown OS",
243 [0x0f] = "an unknown OS",
244 [0x10] = "an unknown OS",
245 [0x11] = "an unknown OS",
246 [0x12] = "an unknown OS",
247 [0x13] = "an unknown OS",
248 [0x14] = "an unknown OS",
249 [0x15] = "Windows 2003",
250 };
251 #endif
252
253 enum {
254 SVGA_CMD_INVALID_CMD = 0,
255 SVGA_CMD_UPDATE = 1,
256 SVGA_CMD_RECT_FILL = 2,
257 SVGA_CMD_RECT_COPY = 3,
258 SVGA_CMD_DEFINE_BITMAP = 4,
259 SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
260 SVGA_CMD_DEFINE_PIXMAP = 6,
261 SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
262 SVGA_CMD_RECT_BITMAP_FILL = 8,
263 SVGA_CMD_RECT_PIXMAP_FILL = 9,
264 SVGA_CMD_RECT_BITMAP_COPY = 10,
265 SVGA_CMD_RECT_PIXMAP_COPY = 11,
266 SVGA_CMD_FREE_OBJECT = 12,
267 SVGA_CMD_RECT_ROP_FILL = 13,
268 SVGA_CMD_RECT_ROP_COPY = 14,
269 SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
270 SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
271 SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
272 SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
273 SVGA_CMD_DEFINE_CURSOR = 19,
274 SVGA_CMD_DISPLAY_CURSOR = 20,
275 SVGA_CMD_MOVE_CURSOR = 21,
276 SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
277 SVGA_CMD_DRAW_GLYPH = 23,
278 SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
279 SVGA_CMD_UPDATE_VERBOSE = 25,
280 SVGA_CMD_SURFACE_FILL = 26,
281 SVGA_CMD_SURFACE_COPY = 27,
282 SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
283 SVGA_CMD_FRONT_ROP_FILL = 29,
284 SVGA_CMD_FENCE = 30,
285 };
286
287 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
288 enum {
289 SVGA_CURSOR_ON_HIDE = 0,
290 SVGA_CURSOR_ON_SHOW = 1,
291 SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
292 SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
293 };
294
295 static inline bool vmsvga_verify_rect(DisplaySurface *surface,
296 const char *name,
297 int x, int y, int w, int h)
298 {
299 if (x < 0) {
300 fprintf(stderr, "%s: x was < 0 (%d)\n", name, x);
301 return false;
302 }
303 if (x > SVGA_MAX_WIDTH) {
304 fprintf(stderr, "%s: x was > %d (%d)\n", name, SVGA_MAX_WIDTH, x);
305 return false;
306 }
307 if (w < 0) {
308 fprintf(stderr, "%s: w was < 0 (%d)\n", name, w);
309 return false;
310 }
311 if (w > SVGA_MAX_WIDTH) {
312 fprintf(stderr, "%s: w was > %d (%d)\n", name, SVGA_MAX_WIDTH, w);
313 return false;
314 }
315 if (x + w > surface_width(surface)) {
316 fprintf(stderr, "%s: width was > %d (x: %d, w: %d)\n",
317 name, surface_width(surface), x, w);
318 return false;
319 }
320
321 if (y < 0) {
322 fprintf(stderr, "%s: y was < 0 (%d)\n", name, y);
323 return false;
324 }
325 if (y > SVGA_MAX_HEIGHT) {
326 fprintf(stderr, "%s: y was > %d (%d)\n", name, SVGA_MAX_HEIGHT, y);
327 return false;
328 }
329 if (h < 0) {
330 fprintf(stderr, "%s: h was < 0 (%d)\n", name, h);
331 return false;
332 }
333 if (h > SVGA_MAX_HEIGHT) {
334 fprintf(stderr, "%s: h was > %d (%d)\n", name, SVGA_MAX_HEIGHT, h);
335 return false;
336 }
337 if (y + h > surface_height(surface)) {
338 fprintf(stderr, "%s: update height > %d (y: %d, h: %d)\n",
339 name, surface_height(surface), y, h);
340 return false;
341 }
342
343 return true;
344 }
345
346 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
347 int x, int y, int w, int h)
348 {
349 DisplaySurface *surface = qemu_console_surface(s->vga.con);
350 int line;
351 int bypl;
352 int width;
353 int start;
354 uint8_t *src;
355 uint8_t *dst;
356
357 if (!vmsvga_verify_rect(surface, __func__, x, y, w, h)) {
358 /* go for a fullscreen update as fallback */
359 x = 0;
360 y = 0;
361 w = surface_width(surface);
362 h = surface_height(surface);
363 }
364
365 bypl = surface_stride(surface);
366 width = surface_bytes_per_pixel(surface) * w;
367 start = surface_bytes_per_pixel(surface) * x + bypl * y;
368 src = s->vga.vram_ptr + start;
369 dst = surface_data(surface) + start;
370
371 for (line = h; line > 0; line--, src += bypl, dst += bypl) {
372 memcpy(dst, src, width);
373 }
374 dpy_gfx_update(s->vga.con, x, y, w, h);
375 }
376
377 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
378 int x, int y, int w, int h)
379 {
380 struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last++];
381
382 s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
383 rect->x = x;
384 rect->y = y;
385 rect->w = w;
386 rect->h = h;
387 }
388
389 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
390 {
391 struct vmsvga_rect_s *rect;
392
393 if (s->invalidated) {
394 s->redraw_fifo_first = s->redraw_fifo_last;
395 return;
396 }
397 /* Overlapping region updates can be optimised out here - if someone
398 * knows a smart algorithm to do that, please share. */
399 while (s->redraw_fifo_first != s->redraw_fifo_last) {
400 rect = &s->redraw_fifo[s->redraw_fifo_first++];
401 s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
402 vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
403 }
404 }
405
406 #ifdef HW_RECT_ACCEL
407 static inline int vmsvga_copy_rect(struct vmsvga_state_s *s,
408 int x0, int y0, int x1, int y1, int w, int h)
409 {
410 DisplaySurface *surface = qemu_console_surface(s->vga.con);
411 uint8_t *vram = s->vga.vram_ptr;
412 int bypl = surface_stride(surface);
413 int bypp = surface_bytes_per_pixel(surface);
414 int width = bypp * w;
415 int line = h;
416 uint8_t *ptr[2];
417
418 if (!vmsvga_verify_rect(surface, "vmsvga_copy_rect/src", x0, y0, w, h)) {
419 return -1;
420 }
421 if (!vmsvga_verify_rect(surface, "vmsvga_copy_rect/dst", x1, y1, w, h)) {
422 return -1;
423 }
424
425 if (y1 > y0) {
426 ptr[0] = vram + bypp * x0 + bypl * (y0 + h - 1);
427 ptr[1] = vram + bypp * x1 + bypl * (y1 + h - 1);
428 for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl) {
429 memmove(ptr[1], ptr[0], width);
430 }
431 } else {
432 ptr[0] = vram + bypp * x0 + bypl * y0;
433 ptr[1] = vram + bypp * x1 + bypl * y1;
434 for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl) {
435 memmove(ptr[1], ptr[0], width);
436 }
437 }
438
439 vmsvga_update_rect_delayed(s, x1, y1, w, h);
440 return 0;
441 }
442 #endif
443
444 #ifdef HW_FILL_ACCEL
445 static inline int vmsvga_fill_rect(struct vmsvga_state_s *s,
446 uint32_t c, int x, int y, int w, int h)
447 {
448 DisplaySurface *surface = qemu_console_surface(s->vga.con);
449 int bypl = surface_stride(surface);
450 int width = surface_bytes_per_pixel(surface) * w;
451 int line = h;
452 int column;
453 uint8_t *fst;
454 uint8_t *dst;
455 uint8_t *src;
456 uint8_t col[4];
457
458 if (!vmsvga_verify_rect(surface, __func__, x, y, w, h)) {
459 return -1;
460 }
461
462 col[0] = c;
463 col[1] = c >> 8;
464 col[2] = c >> 16;
465 col[3] = c >> 24;
466
467 fst = s->vga.vram_ptr + surface_bytes_per_pixel(surface) * x + bypl * y;
468
469 if (line--) {
470 dst = fst;
471 src = col;
472 for (column = width; column > 0; column--) {
473 *(dst++) = *(src++);
474 if (src - col == surface_bytes_per_pixel(surface)) {
475 src = col;
476 }
477 }
478 dst = fst;
479 for (; line > 0; line--) {
480 dst += bypl;
481 memcpy(dst, fst, width);
482 }
483 }
484
485 vmsvga_update_rect_delayed(s, x, y, w, h);
486 return 0;
487 }
488 #endif
489
490 struct vmsvga_cursor_definition_s {
491 uint32_t width;
492 uint32_t height;
493 int id;
494 uint32_t bpp;
495 int hot_x;
496 int hot_y;
497 uint32_t mask[1024];
498 uint32_t image[4096];
499 };
500
501 #define SVGA_BITMAP_SIZE(w, h) ((((w) + 31) >> 5) * (h))
502 #define SVGA_PIXMAP_SIZE(w, h, bpp) (((((w) * (bpp)) + 31) >> 5) * (h))
503
504 #ifdef HW_MOUSE_ACCEL
505 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
506 struct vmsvga_cursor_definition_s *c)
507 {
508 QEMUCursor *qc;
509 int i, pixels;
510
511 qc = cursor_alloc(c->width, c->height);
512 qc->hot_x = c->hot_x;
513 qc->hot_y = c->hot_y;
514 switch (c->bpp) {
515 case 1:
516 cursor_set_mono(qc, 0xffffff, 0x000000, (void *)c->image,
517 1, (void *)c->mask);
518 #ifdef DEBUG
519 cursor_print_ascii_art(qc, "vmware/mono");
520 #endif
521 break;
522 case 32:
523 /* fill alpha channel from mask, set color to zero */
524 cursor_set_mono(qc, 0x000000, 0x000000, (void *)c->mask,
525 1, (void *)c->mask);
526 /* add in rgb values */
527 pixels = c->width * c->height;
528 for (i = 0; i < pixels; i++) {
529 qc->data[i] |= c->image[i] & 0xffffff;
530 }
531 #ifdef DEBUG
532 cursor_print_ascii_art(qc, "vmware/32bit");
533 #endif
534 break;
535 default:
536 fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n",
537 __func__, c->bpp);
538 cursor_put(qc);
539 qc = cursor_builtin_left_ptr();
540 }
541
542 dpy_cursor_define(s->vga.con, qc);
543 cursor_put(qc);
544 }
545 #endif
546
547 static inline int vmsvga_fifo_length(struct vmsvga_state_s *s)
548 {
549 int num;
550
551 if (!s->config || !s->enable) {
552 return 0;
553 }
554
555 s->fifo_min = le32_to_cpu(s->fifo[SVGA_FIFO_MIN]);
556 s->fifo_max = le32_to_cpu(s->fifo[SVGA_FIFO_MAX]);
557 s->fifo_next = le32_to_cpu(s->fifo[SVGA_FIFO_NEXT]);
558 s->fifo_stop = le32_to_cpu(s->fifo[SVGA_FIFO_STOP]);
559
560 /* Check range and alignment. */
561 if ((s->fifo_min | s->fifo_max | s->fifo_next | s->fifo_stop) & 3) {
562 return 0;
563 }
564 if (s->fifo_min < sizeof(uint32_t) * 4) {
565 return 0;
566 }
567 if (s->fifo_max > SVGA_FIFO_SIZE ||
568 s->fifo_min >= SVGA_FIFO_SIZE ||
569 s->fifo_stop >= SVGA_FIFO_SIZE ||
570 s->fifo_next >= SVGA_FIFO_SIZE) {
571 return 0;
572 }
573 if (s->fifo_max < s->fifo_min + 10 * KiB) {
574 return 0;
575 }
576
577 num = s->fifo_next - s->fifo_stop;
578 if (num < 0) {
579 num += s->fifo_max - s->fifo_min;
580 }
581 return num >> 2;
582 }
583
584 static inline uint32_t vmsvga_fifo_read_raw(struct vmsvga_state_s *s)
585 {
586 uint32_t cmd = s->fifo[s->fifo_stop >> 2];
587
588 s->fifo_stop += 4;
589 if (s->fifo_stop >= s->fifo_max) {
590 s->fifo_stop = s->fifo_min;
591 }
592 s->fifo[SVGA_FIFO_STOP] = cpu_to_le32(s->fifo_stop);
593 return cmd;
594 }
595
596 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
597 {
598 return le32_to_cpu(vmsvga_fifo_read_raw(s));
599 }
600
601 static void vmsvga_fifo_run(struct vmsvga_state_s *s)
602 {
603 uint32_t cmd, colour;
604 int args, len, maxloop = 1024;
605 int x, y, dx, dy, width, height;
606 struct vmsvga_cursor_definition_s cursor;
607 uint32_t cmd_start;
608
609 len = vmsvga_fifo_length(s);
610 while (len > 0 && --maxloop > 0) {
611 /* May need to go back to the start of the command if incomplete */
612 cmd_start = s->fifo_stop;
613
614 switch (cmd = vmsvga_fifo_read(s)) {
615 case SVGA_CMD_UPDATE:
616 case SVGA_CMD_UPDATE_VERBOSE:
617 len -= 5;
618 if (len < 0) {
619 goto rewind;
620 }
621
622 x = vmsvga_fifo_read(s);
623 y = vmsvga_fifo_read(s);
624 width = vmsvga_fifo_read(s);
625 height = vmsvga_fifo_read(s);
626 vmsvga_update_rect_delayed(s, x, y, width, height);
627 break;
628
629 case SVGA_CMD_RECT_FILL:
630 len -= 6;
631 if (len < 0) {
632 goto rewind;
633 }
634
635 colour = vmsvga_fifo_read(s);
636 x = vmsvga_fifo_read(s);
637 y = vmsvga_fifo_read(s);
638 width = vmsvga_fifo_read(s);
639 height = vmsvga_fifo_read(s);
640 #ifdef HW_FILL_ACCEL
641 if (vmsvga_fill_rect(s, colour, x, y, width, height) == 0) {
642 break;
643 }
644 #endif
645 args = 0;
646 goto badcmd;
647
648 case SVGA_CMD_RECT_COPY:
649 len -= 7;
650 if (len < 0) {
651 goto rewind;
652 }
653
654 x = vmsvga_fifo_read(s);
655 y = vmsvga_fifo_read(s);
656 dx = vmsvga_fifo_read(s);
657 dy = vmsvga_fifo_read(s);
658 width = vmsvga_fifo_read(s);
659 height = vmsvga_fifo_read(s);
660 #ifdef HW_RECT_ACCEL
661 if (vmsvga_copy_rect(s, x, y, dx, dy, width, height) == 0) {
662 break;
663 }
664 #endif
665 args = 0;
666 goto badcmd;
667
668 case SVGA_CMD_DEFINE_CURSOR:
669 len -= 8;
670 if (len < 0) {
671 goto rewind;
672 }
673
674 cursor.id = vmsvga_fifo_read(s);
675 cursor.hot_x = vmsvga_fifo_read(s);
676 cursor.hot_y = vmsvga_fifo_read(s);
677 cursor.width = x = vmsvga_fifo_read(s);
678 cursor.height = y = vmsvga_fifo_read(s);
679 vmsvga_fifo_read(s);
680 cursor.bpp = vmsvga_fifo_read(s);
681
682 args = SVGA_BITMAP_SIZE(x, y) + SVGA_PIXMAP_SIZE(x, y, cursor.bpp);
683 if (cursor.width > 256
684 || cursor.height > 256
685 || cursor.bpp > 32
686 || SVGA_BITMAP_SIZE(x, y) > ARRAY_SIZE(cursor.mask)
687 || SVGA_PIXMAP_SIZE(x, y, cursor.bpp)
688 > ARRAY_SIZE(cursor.image)) {
689 goto badcmd;
690 }
691
692 len -= args;
693 if (len < 0) {
694 goto rewind;
695 }
696
697 for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args++) {
698 cursor.mask[args] = vmsvga_fifo_read_raw(s);
699 }
700 for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args++) {
701 cursor.image[args] = vmsvga_fifo_read_raw(s);
702 }
703 #ifdef HW_MOUSE_ACCEL
704 vmsvga_cursor_define(s, &cursor);
705 break;
706 #else
707 args = 0;
708 goto badcmd;
709 #endif
710
711 /*
712 * Other commands that we at least know the number of arguments
713 * for so we can avoid FIFO desync if driver uses them illegally.
714 */
715 case SVGA_CMD_DEFINE_ALPHA_CURSOR:
716 len -= 6;
717 if (len < 0) {
718 goto rewind;
719 }
720 vmsvga_fifo_read(s);
721 vmsvga_fifo_read(s);
722 vmsvga_fifo_read(s);
723 x = vmsvga_fifo_read(s);
724 y = vmsvga_fifo_read(s);
725 args = x * y;
726 goto badcmd;
727 case SVGA_CMD_RECT_ROP_FILL:
728 args = 6;
729 goto badcmd;
730 case SVGA_CMD_RECT_ROP_COPY:
731 args = 7;
732 goto badcmd;
733 case SVGA_CMD_DRAW_GLYPH_CLIPPED:
734 len -= 4;
735 if (len < 0) {
736 goto rewind;
737 }
738 vmsvga_fifo_read(s);
739 vmsvga_fifo_read(s);
740 args = 7 + (vmsvga_fifo_read(s) >> 2);
741 goto badcmd;
742 case SVGA_CMD_SURFACE_ALPHA_BLEND:
743 args = 12;
744 goto badcmd;
745
746 /*
747 * Other commands that are not listed as depending on any
748 * CAPABILITIES bits, but are not described in the README either.
749 */
750 case SVGA_CMD_SURFACE_FILL:
751 case SVGA_CMD_SURFACE_COPY:
752 case SVGA_CMD_FRONT_ROP_FILL:
753 case SVGA_CMD_FENCE:
754 case SVGA_CMD_INVALID_CMD:
755 break; /* Nop */
756
757 default:
758 args = 0;
759 badcmd:
760 len -= args;
761 if (len < 0) {
762 goto rewind;
763 }
764 while (args--) {
765 vmsvga_fifo_read(s);
766 }
767 printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
768 __func__, cmd);
769 break;
770
771 rewind:
772 s->fifo_stop = cmd_start;
773 s->fifo[SVGA_FIFO_STOP] = cpu_to_le32(s->fifo_stop);
774 break;
775 }
776 }
777
778 s->syncing = 0;
779 }
780
781 static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
782 {
783 struct vmsvga_state_s *s = opaque;
784
785 return s->index;
786 }
787
788 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
789 {
790 struct vmsvga_state_s *s = opaque;
791
792 s->index = index;
793 }
794
795 static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
796 {
797 uint32_t caps;
798 struct vmsvga_state_s *s = opaque;
799 DisplaySurface *surface = qemu_console_surface(s->vga.con);
800 PixelFormat pf;
801 uint32_t ret;
802
803 switch (s->index) {
804 case SVGA_REG_ID:
805 ret = s->svgaid;
806 break;
807
808 case SVGA_REG_ENABLE:
809 ret = s->enable;
810 break;
811
812 case SVGA_REG_WIDTH:
813 ret = s->new_width ? s->new_width : surface_width(surface);
814 break;
815
816 case SVGA_REG_HEIGHT:
817 ret = s->new_height ? s->new_height : surface_height(surface);
818 break;
819
820 case SVGA_REG_MAX_WIDTH:
821 ret = SVGA_MAX_WIDTH;
822 break;
823
824 case SVGA_REG_MAX_HEIGHT:
825 ret = SVGA_MAX_HEIGHT;
826 break;
827
828 case SVGA_REG_DEPTH:
829 ret = (s->new_depth == 32) ? 24 : s->new_depth;
830 break;
831
832 case SVGA_REG_BITS_PER_PIXEL:
833 case SVGA_REG_HOST_BITS_PER_PIXEL:
834 ret = s->new_depth;
835 break;
836
837 case SVGA_REG_PSEUDOCOLOR:
838 ret = 0x0;
839 break;
840
841 case SVGA_REG_RED_MASK:
842 pf = qemu_default_pixelformat(s->new_depth);
843 ret = pf.rmask;
844 break;
845
846 case SVGA_REG_GREEN_MASK:
847 pf = qemu_default_pixelformat(s->new_depth);
848 ret = pf.gmask;
849 break;
850
851 case SVGA_REG_BLUE_MASK:
852 pf = qemu_default_pixelformat(s->new_depth);
853 ret = pf.bmask;
854 break;
855
856 case SVGA_REG_BYTES_PER_LINE:
857 if (s->new_width) {
858 ret = (s->new_depth * s->new_width) / 8;
859 } else {
860 ret = surface_stride(surface);
861 }
862 break;
863
864 case SVGA_REG_FB_START: {
865 struct pci_vmsvga_state_s *pci_vmsvga
866 = container_of(s, struct pci_vmsvga_state_s, chip);
867 ret = pci_get_bar_addr(PCI_DEVICE(pci_vmsvga), 1);
868 break;
869 }
870
871 case SVGA_REG_FB_OFFSET:
872 ret = 0x0;
873 break;
874
875 case SVGA_REG_VRAM_SIZE:
876 ret = s->vga.vram_size; /* No physical VRAM besides the framebuffer */
877 break;
878
879 case SVGA_REG_FB_SIZE:
880 ret = s->vga.vram_size;
881 break;
882
883 case SVGA_REG_CAPABILITIES:
884 caps = SVGA_CAP_NONE;
885 #ifdef HW_RECT_ACCEL
886 caps |= SVGA_CAP_RECT_COPY;
887 #endif
888 #ifdef HW_FILL_ACCEL
889 caps |= SVGA_CAP_RECT_FILL;
890 #endif
891 #ifdef HW_MOUSE_ACCEL
892 if (dpy_cursor_define_supported(s->vga.con)) {
893 caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
894 SVGA_CAP_CURSOR_BYPASS;
895 }
896 #endif
897 ret = caps;
898 break;
899
900 case SVGA_REG_MEM_START: {
901 struct pci_vmsvga_state_s *pci_vmsvga
902 = container_of(s, struct pci_vmsvga_state_s, chip);
903 ret = pci_get_bar_addr(PCI_DEVICE(pci_vmsvga), 2);
904 break;
905 }
906
907 case SVGA_REG_MEM_SIZE:
908 ret = s->fifo_size;
909 break;
910
911 case SVGA_REG_CONFIG_DONE:
912 ret = s->config;
913 break;
914
915 case SVGA_REG_SYNC:
916 case SVGA_REG_BUSY:
917 ret = s->syncing;
918 break;
919
920 case SVGA_REG_GUEST_ID:
921 ret = s->guest;
922 break;
923
924 case SVGA_REG_CURSOR_ID:
925 ret = s->cursor.id;
926 break;
927
928 case SVGA_REG_CURSOR_X:
929 ret = s->cursor.x;
930 break;
931
932 case SVGA_REG_CURSOR_Y:
933 ret = s->cursor.y;
934 break;
935
936 case SVGA_REG_CURSOR_ON:
937 ret = s->cursor.on;
938 break;
939
940 case SVGA_REG_SCRATCH_SIZE:
941 ret = s->scratch_size;
942 break;
943
944 case SVGA_REG_MEM_REGS:
945 case SVGA_REG_NUM_DISPLAYS:
946 case SVGA_REG_PITCHLOCK:
947 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
948 ret = 0;
949 break;
950
951 default:
952 if (s->index >= SVGA_SCRATCH_BASE &&
953 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
954 ret = s->scratch[s->index - SVGA_SCRATCH_BASE];
955 break;
956 }
957 qemu_log_mask(LOG_GUEST_ERROR,
958 "%s: Bad register %02x\n", __func__, s->index);
959 ret = 0;
960 break;
961 }
962
963 if (s->index >= SVGA_SCRATCH_BASE) {
964 trace_vmware_scratch_read(s->index, ret);
965 } else if (s->index >= SVGA_PALETTE_BASE) {
966 trace_vmware_palette_read(s->index, ret);
967 } else {
968 trace_vmware_value_read(s->index, ret);
969 }
970 return ret;
971 }
972
973 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
974 {
975 struct vmsvga_state_s *s = opaque;
976
977 if (s->index >= SVGA_SCRATCH_BASE) {
978 trace_vmware_scratch_write(s->index, value);
979 } else if (s->index >= SVGA_PALETTE_BASE) {
980 trace_vmware_palette_write(s->index, value);
981 } else {
982 trace_vmware_value_write(s->index, value);
983 }
984 switch (s->index) {
985 case SVGA_REG_ID:
986 if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0) {
987 s->svgaid = value;
988 }
989 break;
990
991 case SVGA_REG_ENABLE:
992 s->enable = !!value;
993 s->invalidated = 1;
994 s->vga.hw_ops->invalidate(&s->vga);
995 if (s->enable && s->config) {
996 vga_dirty_log_stop(&s->vga);
997 } else {
998 vga_dirty_log_start(&s->vga);
999 }
1000 break;
1001
1002 case SVGA_REG_WIDTH:
1003 if (value <= SVGA_MAX_WIDTH) {
1004 s->new_width = value;
1005 s->invalidated = 1;
1006 } else {
1007 qemu_log_mask(LOG_GUEST_ERROR,
1008 "%s: Bad width: %i\n", __func__, value);
1009 }
1010 break;
1011
1012 case SVGA_REG_HEIGHT:
1013 if (value <= SVGA_MAX_HEIGHT) {
1014 s->new_height = value;
1015 s->invalidated = 1;
1016 } else {
1017 qemu_log_mask(LOG_GUEST_ERROR,
1018 "%s: Bad height: %i\n", __func__, value);
1019 }
1020 break;
1021
1022 case SVGA_REG_BITS_PER_PIXEL:
1023 if (value != 32) {
1024 qemu_log_mask(LOG_GUEST_ERROR,
1025 "%s: Bad bits per pixel: %i bits\n", __func__, value);
1026 s->config = 0;
1027 s->invalidated = 1;
1028 }
1029 break;
1030
1031 case SVGA_REG_CONFIG_DONE:
1032 if (value) {
1033 s->fifo = (uint32_t *) s->fifo_ptr;
1034 vga_dirty_log_stop(&s->vga);
1035 }
1036 s->config = !!value;
1037 break;
1038
1039 case SVGA_REG_SYNC:
1040 s->syncing = 1;
1041 vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
1042 break;
1043
1044 case SVGA_REG_GUEST_ID:
1045 s->guest = value;
1046 #ifdef VERBOSE
1047 if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
1048 ARRAY_SIZE(vmsvga_guest_id)) {
1049 printf("%s: guest runs %s.\n", __func__,
1050 vmsvga_guest_id[value - GUEST_OS_BASE]);
1051 }
1052 #endif
1053 break;
1054
1055 case SVGA_REG_CURSOR_ID:
1056 s->cursor.id = value;
1057 break;
1058
1059 case SVGA_REG_CURSOR_X:
1060 s->cursor.x = value;
1061 break;
1062
1063 case SVGA_REG_CURSOR_Y:
1064 s->cursor.y = value;
1065 break;
1066
1067 case SVGA_REG_CURSOR_ON:
1068 s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
1069 s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
1070 #ifdef HW_MOUSE_ACCEL
1071 if (value <= SVGA_CURSOR_ON_SHOW) {
1072 dpy_mouse_set(s->vga.con, s->cursor.x, s->cursor.y, s->cursor.on);
1073 }
1074 #endif
1075 break;
1076
1077 case SVGA_REG_DEPTH:
1078 case SVGA_REG_MEM_REGS:
1079 case SVGA_REG_NUM_DISPLAYS:
1080 case SVGA_REG_PITCHLOCK:
1081 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
1082 break;
1083
1084 default:
1085 if (s->index >= SVGA_SCRATCH_BASE &&
1086 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
1087 s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
1088 break;
1089 }
1090 qemu_log_mask(LOG_GUEST_ERROR,
1091 "%s: Bad register %02x\n", __func__, s->index);
1092 }
1093 }
1094
1095 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
1096 {
1097 printf("%s: what are we supposed to return?\n", __func__);
1098 return 0xcafe;
1099 }
1100
1101 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
1102 {
1103 printf("%s: what are we supposed to do with (%08x)?\n", __func__, data);
1104 }
1105
1106 static inline void vmsvga_check_size(struct vmsvga_state_s *s)
1107 {
1108 DisplaySurface *surface = qemu_console_surface(s->vga.con);
1109
1110 if (s->new_width != surface_width(surface) ||
1111 s->new_height != surface_height(surface) ||
1112 s->new_depth != surface_bits_per_pixel(surface)) {
1113 int stride = (s->new_depth * s->new_width) / 8;
1114 pixman_format_code_t format =
1115 qemu_default_pixman_format(s->new_depth, true);
1116 trace_vmware_setmode(s->new_width, s->new_height, s->new_depth);
1117 surface = qemu_create_displaysurface_from(s->new_width, s->new_height,
1118 format, stride,
1119 s->vga.vram_ptr);
1120 dpy_gfx_replace_surface(s->vga.con, surface);
1121 s->invalidated = 1;
1122 }
1123 }
1124
1125 static void vmsvga_update_display(void *opaque)
1126 {
1127 struct vmsvga_state_s *s = opaque;
1128
1129 if (!s->enable || !s->config) {
1130 /* in standard vga mode */
1131 s->vga.hw_ops->gfx_update(&s->vga);
1132 return;
1133 }
1134
1135 vmsvga_check_size(s);
1136
1137 vmsvga_fifo_run(s);
1138 vmsvga_update_rect_flush(s);
1139
1140 if (s->invalidated) {
1141 s->invalidated = 0;
1142 dpy_gfx_update_full(s->vga.con);
1143 }
1144 }
1145
1146 static void vmsvga_reset(DeviceState *dev)
1147 {
1148 struct pci_vmsvga_state_s *pci = VMWARE_SVGA(dev);
1149 struct vmsvga_state_s *s = &pci->chip;
1150
1151 s->index = 0;
1152 s->enable = 0;
1153 s->config = 0;
1154 s->svgaid = SVGA_ID;
1155 s->cursor.on = 0;
1156 s->redraw_fifo_first = 0;
1157 s->redraw_fifo_last = 0;
1158 s->syncing = 0;
1159
1160 vga_dirty_log_start(&s->vga);
1161 }
1162
1163 static void vmsvga_invalidate_display(void *opaque)
1164 {
1165 struct vmsvga_state_s *s = opaque;
1166 if (!s->enable) {
1167 s->vga.hw_ops->invalidate(&s->vga);
1168 return;
1169 }
1170
1171 s->invalidated = 1;
1172 }
1173
1174 static void vmsvga_text_update(void *opaque, console_ch_t *chardata)
1175 {
1176 struct vmsvga_state_s *s = opaque;
1177
1178 if (s->vga.hw_ops->text_update) {
1179 s->vga.hw_ops->text_update(&s->vga, chardata);
1180 }
1181 }
1182
1183 static int vmsvga_post_load(void *opaque, int version_id)
1184 {
1185 struct vmsvga_state_s *s = opaque;
1186
1187 s->invalidated = 1;
1188 if (s->config) {
1189 s->fifo = (uint32_t *) s->fifo_ptr;
1190 }
1191 return 0;
1192 }
1193
1194 static const VMStateDescription vmstate_vmware_vga_internal = {
1195 .name = "vmware_vga_internal",
1196 .version_id = 0,
1197 .minimum_version_id = 0,
1198 .post_load = vmsvga_post_load,
1199 .fields = (VMStateField[]) {
1200 VMSTATE_INT32_EQUAL(new_depth, struct vmsvga_state_s, NULL),
1201 VMSTATE_INT32(enable, struct vmsvga_state_s),
1202 VMSTATE_INT32(config, struct vmsvga_state_s),
1203 VMSTATE_INT32(cursor.id, struct vmsvga_state_s),
1204 VMSTATE_INT32(cursor.x, struct vmsvga_state_s),
1205 VMSTATE_INT32(cursor.y, struct vmsvga_state_s),
1206 VMSTATE_INT32(cursor.on, struct vmsvga_state_s),
1207 VMSTATE_INT32(index, struct vmsvga_state_s),
1208 VMSTATE_VARRAY_INT32(scratch, struct vmsvga_state_s,
1209 scratch_size, 0, vmstate_info_uint32, uint32_t),
1210 VMSTATE_INT32(new_width, struct vmsvga_state_s),
1211 VMSTATE_INT32(new_height, struct vmsvga_state_s),
1212 VMSTATE_UINT32(guest, struct vmsvga_state_s),
1213 VMSTATE_UINT32(svgaid, struct vmsvga_state_s),
1214 VMSTATE_INT32(syncing, struct vmsvga_state_s),
1215 VMSTATE_UNUSED(4), /* was fb_size */
1216 VMSTATE_END_OF_LIST()
1217 }
1218 };
1219
1220 static const VMStateDescription vmstate_vmware_vga = {
1221 .name = "vmware_vga",
1222 .version_id = 0,
1223 .minimum_version_id = 0,
1224 .fields = (VMStateField[]) {
1225 VMSTATE_PCI_DEVICE(parent_obj, struct pci_vmsvga_state_s),
1226 VMSTATE_STRUCT(chip, struct pci_vmsvga_state_s, 0,
1227 vmstate_vmware_vga_internal, struct vmsvga_state_s),
1228 VMSTATE_END_OF_LIST()
1229 }
1230 };
1231
1232 static const GraphicHwOps vmsvga_ops = {
1233 .invalidate = vmsvga_invalidate_display,
1234 .gfx_update = vmsvga_update_display,
1235 .text_update = vmsvga_text_update,
1236 };
1237
1238 static void vmsvga_init(DeviceState *dev, struct vmsvga_state_s *s,
1239 MemoryRegion *address_space, MemoryRegion *io)
1240 {
1241 s->scratch_size = SVGA_SCRATCH_SIZE;
1242 s->scratch = g_malloc(s->scratch_size * 4);
1243
1244 s->vga.con = graphic_console_init(dev, 0, &vmsvga_ops, s);
1245
1246 s->fifo_size = SVGA_FIFO_SIZE;
1247 memory_region_init_ram(&s->fifo_ram, NULL, "vmsvga.fifo", s->fifo_size,
1248 &error_fatal);
1249 s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
1250
1251 vga_common_init(&s->vga, OBJECT(dev));
1252 vga_init(&s->vga, OBJECT(dev), address_space, io, true);
1253 vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
1254 s->new_depth = 32;
1255 }
1256
1257 static uint64_t vmsvga_io_read(void *opaque, hwaddr addr, unsigned size)
1258 {
1259 struct vmsvga_state_s *s = opaque;
1260
1261 switch (addr) {
1262 case SVGA_IO_MUL * SVGA_INDEX_PORT: return vmsvga_index_read(s, addr);
1263 case SVGA_IO_MUL * SVGA_VALUE_PORT: return vmsvga_value_read(s, addr);
1264 case SVGA_IO_MUL * SVGA_BIOS_PORT: return vmsvga_bios_read(s, addr);
1265 default: return -1u;
1266 }
1267 }
1268
1269 static void vmsvga_io_write(void *opaque, hwaddr addr,
1270 uint64_t data, unsigned size)
1271 {
1272 struct vmsvga_state_s *s = opaque;
1273
1274 switch (addr) {
1275 case SVGA_IO_MUL * SVGA_INDEX_PORT:
1276 vmsvga_index_write(s, addr, data);
1277 break;
1278 case SVGA_IO_MUL * SVGA_VALUE_PORT:
1279 vmsvga_value_write(s, addr, data);
1280 break;
1281 case SVGA_IO_MUL * SVGA_BIOS_PORT:
1282 vmsvga_bios_write(s, addr, data);
1283 break;
1284 }
1285 }
1286
1287 static const MemoryRegionOps vmsvga_io_ops = {
1288 .read = vmsvga_io_read,
1289 .write = vmsvga_io_write,
1290 .endianness = DEVICE_LITTLE_ENDIAN,
1291 .valid = {
1292 .min_access_size = 4,
1293 .max_access_size = 4,
1294 .unaligned = true,
1295 },
1296 .impl = {
1297 .unaligned = true,
1298 },
1299 };
1300
1301 static void pci_vmsvga_realize(PCIDevice *dev, Error **errp)
1302 {
1303 struct pci_vmsvga_state_s *s = VMWARE_SVGA(dev);
1304
1305 dev->config[PCI_CACHE_LINE_SIZE] = 0x08;
1306 dev->config[PCI_LATENCY_TIMER] = 0x40;
1307 dev->config[PCI_INTERRUPT_LINE] = 0xff; /* End */
1308
1309 memory_region_init_io(&s->io_bar, OBJECT(dev), &vmsvga_io_ops, &s->chip,
1310 "vmsvga-io", 0x10);
1311 memory_region_set_flush_coalesced(&s->io_bar);
1312 pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
1313
1314 vmsvga_init(DEVICE(dev), &s->chip,
1315 pci_address_space(dev), pci_address_space_io(dev));
1316
1317 pci_register_bar(dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH,
1318 &s->chip.vga.vram);
1319 pci_register_bar(dev, 2, PCI_BASE_ADDRESS_MEM_PREFETCH,
1320 &s->chip.fifo_ram);
1321 }
1322
1323 static Property vga_vmware_properties[] = {
1324 DEFINE_PROP_UINT32("vgamem_mb", struct pci_vmsvga_state_s,
1325 chip.vga.vram_size_mb, 16),
1326 DEFINE_PROP_BOOL("global-vmstate", struct pci_vmsvga_state_s,
1327 chip.vga.global_vmstate, false),
1328 DEFINE_PROP_END_OF_LIST(),
1329 };
1330
1331 static void vmsvga_class_init(ObjectClass *klass, void *data)
1332 {
1333 DeviceClass *dc = DEVICE_CLASS(klass);
1334 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1335
1336 k->realize = pci_vmsvga_realize;
1337 k->romfile = "vgabios-vmware.bin";
1338 k->vendor_id = PCI_VENDOR_ID_VMWARE;
1339 k->device_id = SVGA_PCI_DEVICE_ID;
1340 k->class_id = PCI_CLASS_DISPLAY_VGA;
1341 k->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE;
1342 k->subsystem_id = SVGA_PCI_DEVICE_ID;
1343 dc->reset = vmsvga_reset;
1344 dc->vmsd = &vmstate_vmware_vga;
1345 device_class_set_props(dc, vga_vmware_properties);
1346 dc->hotpluggable = false;
1347 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
1348 }
1349
1350 static const TypeInfo vmsvga_info = {
1351 .name = TYPE_VMWARE_SVGA,
1352 .parent = TYPE_PCI_DEVICE,
1353 .instance_size = sizeof(struct pci_vmsvga_state_s),
1354 .class_init = vmsvga_class_init,
1355 .interfaces = (InterfaceInfo[]) {
1356 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
1357 { },
1358 },
1359 };
1360
1361 static void vmsvga_register_types(void)
1362 {
1363 type_register_static(&vmsvga_info);
1364 }
1365
1366 type_init(vmsvga_register_types)
armbru's QEMU hackery