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 trace_vmware_verify_rect_less_than_zero(name, "x", x); 301 return false; 302 } 303 if (x > SVGA_MAX_WIDTH) { 304 trace_vmware_verify_rect_greater_than_bound(name, "x", SVGA_MAX_WIDTH, 305 x); 306 return false; 307 } 308 if (w < 0) { 309 trace_vmware_verify_rect_less_than_zero(name, "w", w); 310 return false; 311 } 312 if (w > SVGA_MAX_WIDTH) { 313 trace_vmware_verify_rect_greater_than_bound(name, "w", SVGA_MAX_WIDTH, 314 w); 315 return false; 316 } 317 if (x + w > surface_width(surface)) { 318 trace_vmware_verify_rect_surface_bound_exceeded(name, "width", 319 surface_width(surface), 320 "x", x, "w", w); 321 return false; 322 } 323 324 if (y < 0) { 325 trace_vmware_verify_rect_less_than_zero(name, "y", y); 326 return false; 327 } 328 if (y > SVGA_MAX_HEIGHT) { 329 trace_vmware_verify_rect_greater_than_bound(name, "y", SVGA_MAX_HEIGHT, 330 y); 331 return false; 332 } 333 if (h < 0) { 334 trace_vmware_verify_rect_less_than_zero(name, "h", h); 335 return false; 336 } 337 if (h > SVGA_MAX_HEIGHT) { 338 trace_vmware_verify_rect_greater_than_bound(name, "y", SVGA_MAX_HEIGHT, 339 y); 340 return false; 341 } 342 if (y + h > surface_height(surface)) { 343 trace_vmware_verify_rect_surface_bound_exceeded(name, "height", 344 surface_height(surface), 345 "y", y, "h", h); 346 return false; 347 } 348 349 return true; 350 } 351 352 static inline void vmsvga_update_rect(struct vmsvga_state_s *s, 353 int x, int y, int w, int h) 354 { 355 DisplaySurface *surface = qemu_console_surface(s->vga.con); 356 int line; 357 int bypl; 358 int width; 359 int start; 360 uint8_t *src; 361 uint8_t *dst; 362 363 if (!vmsvga_verify_rect(surface, __func__, x, y, w, h)) { 364 /* go for a fullscreen update as fallback */ 365 x = 0; 366 y = 0; 367 w = surface_width(surface); 368 h = surface_height(surface); 369 } 370 371 bypl = surface_stride(surface); 372 width = surface_bytes_per_pixel(surface) * w; 373 start = surface_bytes_per_pixel(surface) * x + bypl * y; 374 src = s->vga.vram_ptr + start; 375 dst = surface_data(surface) + start; 376 377 for (line = h; line > 0; line--, src += bypl, dst += bypl) { 378 memcpy(dst, src, width); 379 } 380 dpy_gfx_update(s->vga.con, x, y, w, h); 381 } 382 383 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s, 384 int x, int y, int w, int h) 385 { 386 struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last++]; 387 388 s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1; 389 rect->x = x; 390 rect->y = y; 391 rect->w = w; 392 rect->h = h; 393 } 394 395 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s) 396 { 397 struct vmsvga_rect_s *rect; 398 399 if (s->invalidated) { 400 s->redraw_fifo_first = s->redraw_fifo_last; 401 return; 402 } 403 /* Overlapping region updates can be optimised out here - if someone 404 * knows a smart algorithm to do that, please share. */ 405 while (s->redraw_fifo_first != s->redraw_fifo_last) { 406 rect = &s->redraw_fifo[s->redraw_fifo_first++]; 407 s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1; 408 vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h); 409 } 410 } 411 412 #ifdef HW_RECT_ACCEL 413 static inline int vmsvga_copy_rect(struct vmsvga_state_s *s, 414 int x0, int y0, int x1, int y1, int w, int h) 415 { 416 DisplaySurface *surface = qemu_console_surface(s->vga.con); 417 uint8_t *vram = s->vga.vram_ptr; 418 int bypl = surface_stride(surface); 419 int bypp = surface_bytes_per_pixel(surface); 420 int width = bypp * w; 421 int line = h; 422 uint8_t *ptr[2]; 423 424 if (!vmsvga_verify_rect(surface, "vmsvga_copy_rect/src", x0, y0, w, h)) { 425 return -1; 426 } 427 if (!vmsvga_verify_rect(surface, "vmsvga_copy_rect/dst", x1, y1, w, h)) { 428 return -1; 429 } 430 431 if (y1 > y0) { 432 ptr[0] = vram + bypp * x0 + bypl * (y0 + h - 1); 433 ptr[1] = vram + bypp * x1 + bypl * (y1 + h - 1); 434 for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl) { 435 memmove(ptr[1], ptr[0], width); 436 } 437 } else { 438 ptr[0] = vram + bypp * x0 + bypl * y0; 439 ptr[1] = vram + bypp * x1 + bypl * y1; 440 for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl) { 441 memmove(ptr[1], ptr[0], width); 442 } 443 } 444 445 vmsvga_update_rect_delayed(s, x1, y1, w, h); 446 return 0; 447 } 448 #endif 449 450 #ifdef HW_FILL_ACCEL 451 static inline int vmsvga_fill_rect(struct vmsvga_state_s *s, 452 uint32_t c, int x, int y, int w, int h) 453 { 454 DisplaySurface *surface = qemu_console_surface(s->vga.con); 455 int bypl = surface_stride(surface); 456 int width = surface_bytes_per_pixel(surface) * w; 457 int line = h; 458 int column; 459 uint8_t *fst; 460 uint8_t *dst; 461 uint8_t *src; 462 uint8_t col[4]; 463 464 if (!vmsvga_verify_rect(surface, __func__, x, y, w, h)) { 465 return -1; 466 } 467 468 col[0] = c; 469 col[1] = c >> 8; 470 col[2] = c >> 16; 471 col[3] = c >> 24; 472 473 fst = s->vga.vram_ptr + surface_bytes_per_pixel(surface) * x + bypl * y; 474 475 if (line--) { 476 dst = fst; 477 src = col; 478 for (column = width; column > 0; column--) { 479 *(dst++) = *(src++); 480 if (src - col == surface_bytes_per_pixel(surface)) { 481 src = col; 482 } 483 } 484 dst = fst; 485 for (; line > 0; line--) { 486 dst += bypl; 487 memcpy(dst, fst, width); 488 } 489 } 490 491 vmsvga_update_rect_delayed(s, x, y, w, h); 492 return 0; 493 } 494 #endif 495 496 struct vmsvga_cursor_definition_s { 497 uint32_t width; 498 uint32_t height; 499 int id; 500 uint32_t bpp; 501 int hot_x; 502 int hot_y; 503 uint32_t mask[1024]; 504 uint32_t image[4096]; 505 }; 506 507 #define SVGA_BITMAP_SIZE(w, h) ((((w) + 31) >> 5) * (h)) 508 #define SVGA_PIXMAP_SIZE(w, h, bpp) (((((w) * (bpp)) + 31) >> 5) * (h)) 509 510 #ifdef HW_MOUSE_ACCEL 511 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s, 512 struct vmsvga_cursor_definition_s *c) 513 { 514 QEMUCursor *qc; 515 int i, pixels; 516 517 qc = cursor_alloc(c->width, c->height); 518 qc->hot_x = c->hot_x; 519 qc->hot_y = c->hot_y; 520 switch (c->bpp) { 521 case 1: 522 cursor_set_mono(qc, 0xffffff, 0x000000, (void *)c->image, 523 1, (void *)c->mask); 524 #ifdef DEBUG 525 cursor_print_ascii_art(qc, "vmware/mono"); 526 #endif 527 break; 528 case 32: 529 /* fill alpha channel from mask, set color to zero */ 530 cursor_set_mono(qc, 0x000000, 0x000000, (void *)c->mask, 531 1, (void *)c->mask); 532 /* add in rgb values */ 533 pixels = c->width * c->height; 534 for (i = 0; i < pixels; i++) { 535 qc->data[i] |= c->image[i] & 0xffffff; 536 } 537 #ifdef DEBUG 538 cursor_print_ascii_art(qc, "vmware/32bit"); 539 #endif 540 break; 541 default: 542 fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n", 543 __func__, c->bpp); 544 cursor_put(qc); 545 qc = cursor_builtin_left_ptr(); 546 } 547 548 dpy_cursor_define(s->vga.con, qc); 549 cursor_put(qc); 550 } 551 #endif 552 553 static inline int vmsvga_fifo_length(struct vmsvga_state_s *s) 554 { 555 int num; 556 557 if (!s->config || !s->enable) { 558 return 0; 559 } 560 561 s->fifo_min = le32_to_cpu(s->fifo[SVGA_FIFO_MIN]); 562 s->fifo_max = le32_to_cpu(s->fifo[SVGA_FIFO_MAX]); 563 s->fifo_next = le32_to_cpu(s->fifo[SVGA_FIFO_NEXT]); 564 s->fifo_stop = le32_to_cpu(s->fifo[SVGA_FIFO_STOP]); 565 566 /* Check range and alignment. */ 567 if ((s->fifo_min | s->fifo_max | s->fifo_next | s->fifo_stop) & 3) { 568 return 0; 569 } 570 if (s->fifo_min < sizeof(uint32_t) * 4) { 571 return 0; 572 } 573 if (s->fifo_max > SVGA_FIFO_SIZE || 574 s->fifo_min >= SVGA_FIFO_SIZE || 575 s->fifo_stop >= SVGA_FIFO_SIZE || 576 s->fifo_next >= SVGA_FIFO_SIZE) { 577 return 0; 578 } 579 if (s->fifo_max < s->fifo_min + 10 * KiB) { 580 return 0; 581 } 582 583 num = s->fifo_next - s->fifo_stop; 584 if (num < 0) { 585 num += s->fifo_max - s->fifo_min; 586 } 587 return num >> 2; 588 } 589 590 static inline uint32_t vmsvga_fifo_read_raw(struct vmsvga_state_s *s) 591 { 592 uint32_t cmd = s->fifo[s->fifo_stop >> 2]; 593 594 s->fifo_stop += 4; 595 if (s->fifo_stop >= s->fifo_max) { 596 s->fifo_stop = s->fifo_min; 597 } 598 s->fifo[SVGA_FIFO_STOP] = cpu_to_le32(s->fifo_stop); 599 return cmd; 600 } 601 602 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s) 603 { 604 return le32_to_cpu(vmsvga_fifo_read_raw(s)); 605 } 606 607 static void vmsvga_fifo_run(struct vmsvga_state_s *s) 608 { 609 uint32_t cmd, colour; 610 int args, len, maxloop = 1024; 611 int x, y, dx, dy, width, height; 612 struct vmsvga_cursor_definition_s cursor; 613 uint32_t cmd_start; 614 615 len = vmsvga_fifo_length(s); 616 while (len > 0 && --maxloop > 0) { 617 /* May need to go back to the start of the command if incomplete */ 618 cmd_start = s->fifo_stop; 619 620 switch (cmd = vmsvga_fifo_read(s)) { 621 case SVGA_CMD_UPDATE: 622 case SVGA_CMD_UPDATE_VERBOSE: 623 len -= 5; 624 if (len < 0) { 625 goto rewind; 626 } 627 628 x = vmsvga_fifo_read(s); 629 y = vmsvga_fifo_read(s); 630 width = vmsvga_fifo_read(s); 631 height = vmsvga_fifo_read(s); 632 vmsvga_update_rect_delayed(s, x, y, width, height); 633 break; 634 635 case SVGA_CMD_RECT_FILL: 636 len -= 6; 637 if (len < 0) { 638 goto rewind; 639 } 640 641 colour = vmsvga_fifo_read(s); 642 x = vmsvga_fifo_read(s); 643 y = vmsvga_fifo_read(s); 644 width = vmsvga_fifo_read(s); 645 height = vmsvga_fifo_read(s); 646 #ifdef HW_FILL_ACCEL 647 if (vmsvga_fill_rect(s, colour, x, y, width, height) == 0) { 648 break; 649 } 650 #endif 651 args = 0; 652 goto badcmd; 653 654 case SVGA_CMD_RECT_COPY: 655 len -= 7; 656 if (len < 0) { 657 goto rewind; 658 } 659 660 x = vmsvga_fifo_read(s); 661 y = vmsvga_fifo_read(s); 662 dx = vmsvga_fifo_read(s); 663 dy = vmsvga_fifo_read(s); 664 width = vmsvga_fifo_read(s); 665 height = vmsvga_fifo_read(s); 666 #ifdef HW_RECT_ACCEL 667 if (vmsvga_copy_rect(s, x, y, dx, dy, width, height) == 0) { 668 break; 669 } 670 #endif 671 args = 0; 672 goto badcmd; 673 674 case SVGA_CMD_DEFINE_CURSOR: 675 len -= 8; 676 if (len < 0) { 677 goto rewind; 678 } 679 680 cursor.id = vmsvga_fifo_read(s); 681 cursor.hot_x = vmsvga_fifo_read(s); 682 cursor.hot_y = vmsvga_fifo_read(s); 683 cursor.width = x = vmsvga_fifo_read(s); 684 cursor.height = y = vmsvga_fifo_read(s); 685 vmsvga_fifo_read(s); 686 cursor.bpp = vmsvga_fifo_read(s); 687 688 args = SVGA_BITMAP_SIZE(x, y) + SVGA_PIXMAP_SIZE(x, y, cursor.bpp); 689 if (cursor.width > 256 690 || cursor.height > 256 691 || cursor.bpp > 32 692 || SVGA_BITMAP_SIZE(x, y) > ARRAY_SIZE(cursor.mask) 693 || SVGA_PIXMAP_SIZE(x, y, cursor.bpp) 694 > ARRAY_SIZE(cursor.image)) { 695 goto badcmd; 696 } 697 698 len -= args; 699 if (len < 0) { 700 goto rewind; 701 } 702 703 for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args++) { 704 cursor.mask[args] = vmsvga_fifo_read_raw(s); 705 } 706 for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args++) { 707 cursor.image[args] = vmsvga_fifo_read_raw(s); 708 } 709 #ifdef HW_MOUSE_ACCEL 710 vmsvga_cursor_define(s, &cursor); 711 break; 712 #else 713 args = 0; 714 goto badcmd; 715 #endif 716 717 /* 718 * Other commands that we at least know the number of arguments 719 * for so we can avoid FIFO desync if driver uses them illegally. 720 */ 721 case SVGA_CMD_DEFINE_ALPHA_CURSOR: 722 len -= 6; 723 if (len < 0) { 724 goto rewind; 725 } 726 vmsvga_fifo_read(s); 727 vmsvga_fifo_read(s); 728 vmsvga_fifo_read(s); 729 x = vmsvga_fifo_read(s); 730 y = vmsvga_fifo_read(s); 731 args = x * y; 732 goto badcmd; 733 case SVGA_CMD_RECT_ROP_FILL: 734 args = 6; 735 goto badcmd; 736 case SVGA_CMD_RECT_ROP_COPY: 737 args = 7; 738 goto badcmd; 739 case SVGA_CMD_DRAW_GLYPH_CLIPPED: 740 len -= 4; 741 if (len < 0) { 742 goto rewind; 743 } 744 vmsvga_fifo_read(s); 745 vmsvga_fifo_read(s); 746 args = 7 + (vmsvga_fifo_read(s) >> 2); 747 goto badcmd; 748 case SVGA_CMD_SURFACE_ALPHA_BLEND: 749 args = 12; 750 goto badcmd; 751 752 /* 753 * Other commands that are not listed as depending on any 754 * CAPABILITIES bits, but are not described in the README either. 755 */ 756 case SVGA_CMD_SURFACE_FILL: 757 case SVGA_CMD_SURFACE_COPY: 758 case SVGA_CMD_FRONT_ROP_FILL: 759 case SVGA_CMD_FENCE: 760 case SVGA_CMD_INVALID_CMD: 761 break; /* Nop */ 762 763 default: 764 args = 0; 765 badcmd: 766 len -= args; 767 if (len < 0) { 768 goto rewind; 769 } 770 while (args--) { 771 vmsvga_fifo_read(s); 772 } 773 printf("%s: Unknown command 0x%02x in SVGA command FIFO\n", 774 __func__, cmd); 775 break; 776 777 rewind: 778 s->fifo_stop = cmd_start; 779 s->fifo[SVGA_FIFO_STOP] = cpu_to_le32(s->fifo_stop); 780 break; 781 } 782 } 783 784 s->syncing = 0; 785 } 786 787 static uint32_t vmsvga_index_read(void *opaque, uint32_t address) 788 { 789 struct vmsvga_state_s *s = opaque; 790 791 return s->index; 792 } 793 794 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index) 795 { 796 struct vmsvga_state_s *s = opaque; 797 798 s->index = index; 799 } 800 801 static uint32_t vmsvga_value_read(void *opaque, uint32_t address) 802 { 803 uint32_t caps; 804 struct vmsvga_state_s *s = opaque; 805 DisplaySurface *surface = qemu_console_surface(s->vga.con); 806 PixelFormat pf; 807 uint32_t ret; 808 809 switch (s->index) { 810 case SVGA_REG_ID: 811 ret = s->svgaid; 812 break; 813 814 case SVGA_REG_ENABLE: 815 ret = s->enable; 816 break; 817 818 case SVGA_REG_WIDTH: 819 ret = s->new_width ? s->new_width : surface_width(surface); 820 break; 821 822 case SVGA_REG_HEIGHT: 823 ret = s->new_height ? s->new_height : surface_height(surface); 824 break; 825 826 case SVGA_REG_MAX_WIDTH: 827 ret = SVGA_MAX_WIDTH; 828 break; 829 830 case SVGA_REG_MAX_HEIGHT: 831 ret = SVGA_MAX_HEIGHT; 832 break; 833 834 case SVGA_REG_DEPTH: 835 ret = (s->new_depth == 32) ? 24 : s->new_depth; 836 break; 837 838 case SVGA_REG_BITS_PER_PIXEL: 839 case SVGA_REG_HOST_BITS_PER_PIXEL: 840 ret = s->new_depth; 841 break; 842 843 case SVGA_REG_PSEUDOCOLOR: 844 ret = 0x0; 845 break; 846 847 case SVGA_REG_RED_MASK: 848 pf = qemu_default_pixelformat(s->new_depth); 849 ret = pf.rmask; 850 break; 851 852 case SVGA_REG_GREEN_MASK: 853 pf = qemu_default_pixelformat(s->new_depth); 854 ret = pf.gmask; 855 break; 856 857 case SVGA_REG_BLUE_MASK: 858 pf = qemu_default_pixelformat(s->new_depth); 859 ret = pf.bmask; 860 break; 861 862 case SVGA_REG_BYTES_PER_LINE: 863 if (s->new_width) { 864 ret = (s->new_depth * s->new_width) / 8; 865 } else { 866 ret = surface_stride(surface); 867 } 868 break; 869 870 case SVGA_REG_FB_START: { 871 struct pci_vmsvga_state_s *pci_vmsvga 872 = container_of(s, struct pci_vmsvga_state_s, chip); 873 ret = pci_get_bar_addr(PCI_DEVICE(pci_vmsvga), 1); 874 break; 875 } 876 877 case SVGA_REG_FB_OFFSET: 878 ret = 0x0; 879 break; 880 881 case SVGA_REG_VRAM_SIZE: 882 ret = s->vga.vram_size; /* No physical VRAM besides the framebuffer */ 883 break; 884 885 case SVGA_REG_FB_SIZE: 886 ret = s->vga.vram_size; 887 break; 888 889 case SVGA_REG_CAPABILITIES: 890 caps = SVGA_CAP_NONE; 891 #ifdef HW_RECT_ACCEL 892 caps |= SVGA_CAP_RECT_COPY; 893 #endif 894 #ifdef HW_FILL_ACCEL 895 caps |= SVGA_CAP_RECT_FILL; 896 #endif 897 #ifdef HW_MOUSE_ACCEL 898 if (dpy_cursor_define_supported(s->vga.con)) { 899 caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 | 900 SVGA_CAP_CURSOR_BYPASS; 901 } 902 #endif 903 ret = caps; 904 break; 905 906 case SVGA_REG_MEM_START: { 907 struct pci_vmsvga_state_s *pci_vmsvga 908 = container_of(s, struct pci_vmsvga_state_s, chip); 909 ret = pci_get_bar_addr(PCI_DEVICE(pci_vmsvga), 2); 910 break; 911 } 912 913 case SVGA_REG_MEM_SIZE: 914 ret = s->fifo_size; 915 break; 916 917 case SVGA_REG_CONFIG_DONE: 918 ret = s->config; 919 break; 920 921 case SVGA_REG_SYNC: 922 case SVGA_REG_BUSY: 923 ret = s->syncing; 924 break; 925 926 case SVGA_REG_GUEST_ID: 927 ret = s->guest; 928 break; 929 930 case SVGA_REG_CURSOR_ID: 931 ret = s->cursor.id; 932 break; 933 934 case SVGA_REG_CURSOR_X: 935 ret = s->cursor.x; 936 break; 937 938 case SVGA_REG_CURSOR_Y: 939 ret = s->cursor.y; 940 break; 941 942 case SVGA_REG_CURSOR_ON: 943 ret = s->cursor.on; 944 break; 945 946 case SVGA_REG_SCRATCH_SIZE: 947 ret = s->scratch_size; 948 break; 949 950 case SVGA_REG_MEM_REGS: 951 case SVGA_REG_NUM_DISPLAYS: 952 case SVGA_REG_PITCHLOCK: 953 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END: 954 ret = 0; 955 break; 956 957 default: 958 if (s->index >= SVGA_SCRATCH_BASE && 959 s->index < SVGA_SCRATCH_BASE + s->scratch_size) { 960 ret = s->scratch[s->index - SVGA_SCRATCH_BASE]; 961 break; 962 } 963 qemu_log_mask(LOG_GUEST_ERROR, 964 "%s: Bad register %02x\n", __func__, s->index); 965 ret = 0; 966 break; 967 } 968 969 if (s->index >= SVGA_SCRATCH_BASE) { 970 trace_vmware_scratch_read(s->index, ret); 971 } else if (s->index >= SVGA_PALETTE_BASE) { 972 trace_vmware_palette_read(s->index, ret); 973 } else { 974 trace_vmware_value_read(s->index, ret); 975 } 976 return ret; 977 } 978 979 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value) 980 { 981 struct vmsvga_state_s *s = opaque; 982 983 if (s->index >= SVGA_SCRATCH_BASE) { 984 trace_vmware_scratch_write(s->index, value); 985 } else if (s->index >= SVGA_PALETTE_BASE) { 986 trace_vmware_palette_write(s->index, value); 987 } else { 988 trace_vmware_value_write(s->index, value); 989 } 990 switch (s->index) { 991 case SVGA_REG_ID: 992 if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0) { 993 s->svgaid = value; 994 } 995 break; 996 997 case SVGA_REG_ENABLE: 998 s->enable = !!value; 999 s->invalidated = 1; 1000 s->vga.hw_ops->invalidate(&s->vga); 1001 if (s->enable && s->config) { 1002 vga_dirty_log_stop(&s->vga); 1003 } else { 1004 vga_dirty_log_start(&s->vga); 1005 } 1006 break; 1007 1008 case SVGA_REG_WIDTH: 1009 if (value <= SVGA_MAX_WIDTH) { 1010 s->new_width = value; 1011 s->invalidated = 1; 1012 } else { 1013 qemu_log_mask(LOG_GUEST_ERROR, 1014 "%s: Bad width: %i\n", __func__, value); 1015 } 1016 break; 1017 1018 case SVGA_REG_HEIGHT: 1019 if (value <= SVGA_MAX_HEIGHT) { 1020 s->new_height = value; 1021 s->invalidated = 1; 1022 } else { 1023 qemu_log_mask(LOG_GUEST_ERROR, 1024 "%s: Bad height: %i\n", __func__, value); 1025 } 1026 break; 1027 1028 case SVGA_REG_BITS_PER_PIXEL: 1029 if (value != 32) { 1030 qemu_log_mask(LOG_GUEST_ERROR, 1031 "%s: Bad bits per pixel: %i bits\n", __func__, value); 1032 s->config = 0; 1033 s->invalidated = 1; 1034 } 1035 break; 1036 1037 case SVGA_REG_CONFIG_DONE: 1038 if (value) { 1039 s->fifo = (uint32_t *) s->fifo_ptr; 1040 vga_dirty_log_stop(&s->vga); 1041 } 1042 s->config = !!value; 1043 break; 1044 1045 case SVGA_REG_SYNC: 1046 s->syncing = 1; 1047 vmsvga_fifo_run(s); /* Or should we just wait for update_display? */ 1048 break; 1049 1050 case SVGA_REG_GUEST_ID: 1051 s->guest = value; 1052 #ifdef VERBOSE 1053 if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE + 1054 ARRAY_SIZE(vmsvga_guest_id)) { 1055 printf("%s: guest runs %s.\n", __func__, 1056 vmsvga_guest_id[value - GUEST_OS_BASE]); 1057 } 1058 #endif 1059 break; 1060 1061 case SVGA_REG_CURSOR_ID: 1062 s->cursor.id = value; 1063 break; 1064 1065 case SVGA_REG_CURSOR_X: 1066 s->cursor.x = value; 1067 break; 1068 1069 case SVGA_REG_CURSOR_Y: 1070 s->cursor.y = value; 1071 break; 1072 1073 case SVGA_REG_CURSOR_ON: 1074 s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW); 1075 s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE); 1076 #ifdef HW_MOUSE_ACCEL 1077 if (value <= SVGA_CURSOR_ON_SHOW) { 1078 dpy_mouse_set(s->vga.con, s->cursor.x, s->cursor.y, s->cursor.on); 1079 } 1080 #endif 1081 break; 1082 1083 case SVGA_REG_DEPTH: 1084 case SVGA_REG_MEM_REGS: 1085 case SVGA_REG_NUM_DISPLAYS: 1086 case SVGA_REG_PITCHLOCK: 1087 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END: 1088 break; 1089 1090 default: 1091 if (s->index >= SVGA_SCRATCH_BASE && 1092 s->index < SVGA_SCRATCH_BASE + s->scratch_size) { 1093 s->scratch[s->index - SVGA_SCRATCH_BASE] = value; 1094 break; 1095 } 1096 qemu_log_mask(LOG_GUEST_ERROR, 1097 "%s: Bad register %02x\n", __func__, s->index); 1098 } 1099 } 1100 1101 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address) 1102 { 1103 printf("%s: what are we supposed to return?\n", __func__); 1104 return 0xcafe; 1105 } 1106 1107 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data) 1108 { 1109 printf("%s: what are we supposed to do with (%08x)?\n", __func__, data); 1110 } 1111 1112 static inline void vmsvga_check_size(struct vmsvga_state_s *s) 1113 { 1114 DisplaySurface *surface = qemu_console_surface(s->vga.con); 1115 1116 if (s->new_width != surface_width(surface) || 1117 s->new_height != surface_height(surface) || 1118 s->new_depth != surface_bits_per_pixel(surface)) { 1119 int stride = (s->new_depth * s->new_width) / 8; 1120 pixman_format_code_t format = 1121 qemu_default_pixman_format(s->new_depth, true); 1122 trace_vmware_setmode(s->new_width, s->new_height, s->new_depth); 1123 surface = qemu_create_displaysurface_from(s->new_width, s->new_height, 1124 format, stride, 1125 s->vga.vram_ptr); 1126 dpy_gfx_replace_surface(s->vga.con, surface); 1127 s->invalidated = 1; 1128 } 1129 } 1130 1131 static void vmsvga_update_display(void *opaque) 1132 { 1133 struct vmsvga_state_s *s = opaque; 1134 1135 if (!s->enable || !s->config) { 1136 /* in standard vga mode */ 1137 s->vga.hw_ops->gfx_update(&s->vga); 1138 return; 1139 } 1140 1141 vmsvga_check_size(s); 1142 1143 vmsvga_fifo_run(s); 1144 vmsvga_update_rect_flush(s); 1145 1146 if (s->invalidated) { 1147 s->invalidated = 0; 1148 dpy_gfx_update_full(s->vga.con); 1149 } 1150 } 1151 1152 static void vmsvga_reset(DeviceState *dev) 1153 { 1154 struct pci_vmsvga_state_s *pci = VMWARE_SVGA(dev); 1155 struct vmsvga_state_s *s = &pci->chip; 1156 1157 s->index = 0; 1158 s->enable = 0; 1159 s->config = 0; 1160 s->svgaid = SVGA_ID; 1161 s->cursor.on = 0; 1162 s->redraw_fifo_first = 0; 1163 s->redraw_fifo_last = 0; 1164 s->syncing = 0; 1165 1166 vga_dirty_log_start(&s->vga); 1167 } 1168 1169 static void vmsvga_invalidate_display(void *opaque) 1170 { 1171 struct vmsvga_state_s *s = opaque; 1172 if (!s->enable) { 1173 s->vga.hw_ops->invalidate(&s->vga); 1174 return; 1175 } 1176 1177 s->invalidated = 1; 1178 } 1179 1180 static void vmsvga_text_update(void *opaque, console_ch_t *chardata) 1181 { 1182 struct vmsvga_state_s *s = opaque; 1183 1184 if (s->vga.hw_ops->text_update) { 1185 s->vga.hw_ops->text_update(&s->vga, chardata); 1186 } 1187 } 1188 1189 static int vmsvga_post_load(void *opaque, int version_id) 1190 { 1191 struct vmsvga_state_s *s = opaque; 1192 1193 s->invalidated = 1; 1194 if (s->config) { 1195 s->fifo = (uint32_t *) s->fifo_ptr; 1196 } 1197 return 0; 1198 } 1199 1200 static const VMStateDescription vmstate_vmware_vga_internal = { 1201 .name = "vmware_vga_internal", 1202 .version_id = 0, 1203 .minimum_version_id = 0, 1204 .post_load = vmsvga_post_load, 1205 .fields = (VMStateField[]) { 1206 VMSTATE_INT32_EQUAL(new_depth, struct vmsvga_state_s, NULL), 1207 VMSTATE_INT32(enable, struct vmsvga_state_s), 1208 VMSTATE_INT32(config, struct vmsvga_state_s), 1209 VMSTATE_INT32(cursor.id, struct vmsvga_state_s), 1210 VMSTATE_INT32(cursor.x, struct vmsvga_state_s), 1211 VMSTATE_INT32(cursor.y, struct vmsvga_state_s), 1212 VMSTATE_INT32(cursor.on, struct vmsvga_state_s), 1213 VMSTATE_INT32(index, struct vmsvga_state_s), 1214 VMSTATE_VARRAY_INT32(scratch, struct vmsvga_state_s, 1215 scratch_size, 0, vmstate_info_uint32, uint32_t), 1216 VMSTATE_INT32(new_width, struct vmsvga_state_s), 1217 VMSTATE_INT32(new_height, struct vmsvga_state_s), 1218 VMSTATE_UINT32(guest, struct vmsvga_state_s), 1219 VMSTATE_UINT32(svgaid, struct vmsvga_state_s), 1220 VMSTATE_INT32(syncing, struct vmsvga_state_s), 1221 VMSTATE_UNUSED(4), /* was fb_size */ 1222 VMSTATE_END_OF_LIST() 1223 } 1224 }; 1225 1226 static const VMStateDescription vmstate_vmware_vga = { 1227 .name = "vmware_vga", 1228 .version_id = 0, 1229 .minimum_version_id = 0, 1230 .fields = (VMStateField[]) { 1231 VMSTATE_PCI_DEVICE(parent_obj, struct pci_vmsvga_state_s), 1232 VMSTATE_STRUCT(chip, struct pci_vmsvga_state_s, 0, 1233 vmstate_vmware_vga_internal, struct vmsvga_state_s), 1234 VMSTATE_END_OF_LIST() 1235 } 1236 }; 1237 1238 static const GraphicHwOps vmsvga_ops = { 1239 .invalidate = vmsvga_invalidate_display, 1240 .gfx_update = vmsvga_update_display, 1241 .text_update = vmsvga_text_update, 1242 }; 1243 1244 static void vmsvga_init(DeviceState *dev, struct vmsvga_state_s *s, 1245 MemoryRegion *address_space, MemoryRegion *io) 1246 { 1247 s->scratch_size = SVGA_SCRATCH_SIZE; 1248 s->scratch = g_malloc(s->scratch_size * 4); 1249 1250 s->vga.con = graphic_console_init(dev, 0, &vmsvga_ops, s); 1251 1252 s->fifo_size = SVGA_FIFO_SIZE; 1253 memory_region_init_ram(&s->fifo_ram, NULL, "vmsvga.fifo", s->fifo_size, 1254 &error_fatal); 1255 s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram); 1256 1257 vga_common_init(&s->vga, OBJECT(dev)); 1258 vga_init(&s->vga, OBJECT(dev), address_space, io, true); 1259 vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga); 1260 s->new_depth = 32; 1261 } 1262 1263 static uint64_t vmsvga_io_read(void *opaque, hwaddr addr, unsigned size) 1264 { 1265 struct vmsvga_state_s *s = opaque; 1266 1267 switch (addr) { 1268 case SVGA_IO_MUL * SVGA_INDEX_PORT: return vmsvga_index_read(s, addr); 1269 case SVGA_IO_MUL * SVGA_VALUE_PORT: return vmsvga_value_read(s, addr); 1270 case SVGA_IO_MUL * SVGA_BIOS_PORT: return vmsvga_bios_read(s, addr); 1271 default: return -1u; 1272 } 1273 } 1274 1275 static void vmsvga_io_write(void *opaque, hwaddr addr, 1276 uint64_t data, unsigned size) 1277 { 1278 struct vmsvga_state_s *s = opaque; 1279 1280 switch (addr) { 1281 case SVGA_IO_MUL * SVGA_INDEX_PORT: 1282 vmsvga_index_write(s, addr, data); 1283 break; 1284 case SVGA_IO_MUL * SVGA_VALUE_PORT: 1285 vmsvga_value_write(s, addr, data); 1286 break; 1287 case SVGA_IO_MUL * SVGA_BIOS_PORT: 1288 vmsvga_bios_write(s, addr, data); 1289 break; 1290 } 1291 } 1292 1293 static const MemoryRegionOps vmsvga_io_ops = { 1294 .read = vmsvga_io_read, 1295 .write = vmsvga_io_write, 1296 .endianness = DEVICE_LITTLE_ENDIAN, 1297 .valid = { 1298 .min_access_size = 4, 1299 .max_access_size = 4, 1300 .unaligned = true, 1301 }, 1302 .impl = { 1303 .unaligned = true, 1304 }, 1305 }; 1306 1307 static void pci_vmsvga_realize(PCIDevice *dev, Error **errp) 1308 { 1309 struct pci_vmsvga_state_s *s = VMWARE_SVGA(dev); 1310 1311 dev->config[PCI_CACHE_LINE_SIZE] = 0x08; 1312 dev->config[PCI_LATENCY_TIMER] = 0x40; 1313 dev->config[PCI_INTERRUPT_LINE] = 0xff; /* End */ 1314 1315 memory_region_init_io(&s->io_bar, OBJECT(dev), &vmsvga_io_ops, &s->chip, 1316 "vmsvga-io", 0x10); 1317 memory_region_set_flush_coalesced(&s->io_bar); 1318 pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar); 1319 1320 vmsvga_init(DEVICE(dev), &s->chip, 1321 pci_address_space(dev), pci_address_space_io(dev)); 1322 1323 pci_register_bar(dev, 1, PCI_BASE_ADDRESS_MEM_PREFETCH, 1324 &s->chip.vga.vram); 1325 pci_register_bar(dev, 2, PCI_BASE_ADDRESS_MEM_PREFETCH, 1326 &s->chip.fifo_ram); 1327 } 1328 1329 static Property vga_vmware_properties[] = { 1330 DEFINE_PROP_UINT32("vgamem_mb", struct pci_vmsvga_state_s, 1331 chip.vga.vram_size_mb, 16), 1332 DEFINE_PROP_BOOL("global-vmstate", struct pci_vmsvga_state_s, 1333 chip.vga.global_vmstate, false), 1334 DEFINE_PROP_END_OF_LIST(), 1335 }; 1336 1337 static void vmsvga_class_init(ObjectClass *klass, void *data) 1338 { 1339 DeviceClass *dc = DEVICE_CLASS(klass); 1340 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 1341 1342 k->realize = pci_vmsvga_realize; 1343 k->romfile = "vgabios-vmware.bin"; 1344 k->vendor_id = PCI_VENDOR_ID_VMWARE; 1345 k->device_id = SVGA_PCI_DEVICE_ID; 1346 k->class_id = PCI_CLASS_DISPLAY_VGA; 1347 k->subsystem_vendor_id = PCI_VENDOR_ID_VMWARE; 1348 k->subsystem_id = SVGA_PCI_DEVICE_ID; 1349 dc->reset = vmsvga_reset; 1350 dc->vmsd = &vmstate_vmware_vga; 1351 device_class_set_props(dc, vga_vmware_properties); 1352 dc->hotpluggable = false; 1353 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); 1354 } 1355 1356 static const TypeInfo vmsvga_info = { 1357 .name = TYPE_VMWARE_SVGA, 1358 .parent = TYPE_PCI_DEVICE, 1359 .instance_size = sizeof(struct pci_vmsvga_state_s), 1360 .class_init = vmsvga_class_init, 1361 .interfaces = (InterfaceInfo[]) { 1362 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 1363 { }, 1364 }, 1365 }; 1366 1367 static void vmsvga_register_types(void) 1368 { 1369 type_register_static(&vmsvga_info); 1370 } 1371 1372 type_init(vmsvga_register_types) 1373