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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) |