hw/vmware_vga.c

   1 /*
   2  * QEMU VMware-SVGA "chipset".
   3  *
   4  * Copyright (c) 2007 Andrzej Zaborowski  <balrog@zabor.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include "hw.h"
  25 #include "loader.h"
  26 #include "console.h"
  27 #include "pci.h"
  28 #include "vmware_vga.h"
  29
  30 #undef VERBOSE
  31 #define HW_RECT_ACCEL
  32 #define HW_FILL_ACCEL
  33 #define HW_MOUSE_ACCEL
  34
  35 # include "vga_int.h"
  36
  37 struct vmsvga_state_s {
  38     VGACommonState vga;
  39
  40     int width;
  41     int height;
  42     int invalidated;
  43     int depth;
  44     int bypp;
  45     int enable;
  46     int config;
  47     struct {
  48         int id;
  49         int x;
  50         int y;
  51         int on;
  52     } cursor;
  53
  54     int index;
  55     int scratch_size;
  56     uint32_t *scratch;
  57     int new_width;
  58     int new_height;
  59     uint32_t guest;
  60     uint32_t svgaid;
  61     uint32_t wred;
  62     uint32_t wgreen;
  63     uint32_t wblue;
  64     int syncing;
  65     int fb_size;
  66
  67     MemoryRegion fifo_ram;
  68     uint8_t *fifo_ptr;
  69     unsigned int fifo_size;
  70
  71     union {
  72         uint32_t *fifo;
  73         struct QEMU_PACKED {
  74             uint32_t min;
  75             uint32_t max;
  76             uint32_t next_cmd;
  77             uint32_t stop;
  78             /* Add registers here when adding capabilities.  */
  79             uint32_t fifo[0];
  80         } *cmd;
  81     };
  82
  83 #define REDRAW_FIFO_LEN 512
  84     struct vmsvga_rect_s {
  85         int x, y, w, h;
  86     } redraw_fifo[REDRAW_FIFO_LEN];
  87     int redraw_fifo_first, redraw_fifo_last;
  88 };
  89
  90 struct pci_vmsvga_state_s {
  91     PCIDevice card;
  92     struct vmsvga_state_s chip;
  93     MemoryRegion io_bar;
  94 };
  95
  96 #define SVGA_MAGIC              0x900000UL
  97 #define SVGA_MAKE_ID(ver)       (SVGA_MAGIC << 8 | (ver))
  98 #define SVGA_ID_0               SVGA_MAKE_ID(0)
  99 #define SVGA_ID_1               SVGA_MAKE_ID(1)
 100 #define SVGA_ID_2               SVGA_MAKE_ID(2)
 101
 102 #define SVGA_LEGACY_BASE_PORT   0x4560
 103 #define SVGA_INDEX_PORT         0x0
 104 #define SVGA_VALUE_PORT         0x1
 105 #define SVGA_BIOS_PORT          0x2
 106
 107 #define SVGA_VERSION_2
 108
 109 #ifdef SVGA_VERSION_2
 110 # define SVGA_ID                SVGA_ID_2
 111 # define SVGA_IO_BASE           SVGA_LEGACY_BASE_PORT
 112 # define SVGA_IO_MUL            1
 113 # define SVGA_FIFO_SIZE         0x10000
 114 # define SVGA_PCI_DEVICE_ID     PCI_DEVICE_ID_VMWARE_SVGA2
 115 #else
 116 # define SVGA_ID                SVGA_ID_1
 117 # define SVGA_IO_BASE           SVGA_LEGACY_BASE_PORT
 118 # define SVGA_IO_MUL            4
 119 # define SVGA_FIFO_SIZE         0x10000
 120 # define SVGA_PCI_DEVICE_ID     PCI_DEVICE_ID_VMWARE_SVGA
 121 #endif
 122
 123 enum {
 124     /* ID 0, 1 and 2 registers */
 125     SVGA_REG_ID = 0,
 126     SVGA_REG_ENABLE = 1,
 127     SVGA_REG_WIDTH = 2,
 128     SVGA_REG_HEIGHT = 3,
 129     SVGA_REG_MAX_WIDTH = 4,
 130     SVGA_REG_MAX_HEIGHT = 5,
 131     SVGA_REG_DEPTH = 6,
 132     SVGA_REG_BITS_PER_PIXEL = 7,        /* Current bpp in the guest */
 133     SVGA_REG_PSEUDOCOLOR = 8,
 134     SVGA_REG_RED_MASK = 9,
 135     SVGA_REG_GREEN_MASK = 10,
 136     SVGA_REG_BLUE_MASK = 11,
 137     SVGA_REG_BYTES_PER_LINE = 12,
 138     SVGA_REG_FB_START = 13,
 139     SVGA_REG_FB_OFFSET = 14,
 140     SVGA_REG_VRAM_SIZE = 15,
 141     SVGA_REG_FB_SIZE = 16,
 142
 143     /* ID 1 and 2 registers */
 144     SVGA_REG_CAPABILITIES = 17,
 145     SVGA_REG_MEM_START = 18,            /* Memory for command FIFO */
 146     SVGA_REG_MEM_SIZE = 19,
 147     SVGA_REG_CONFIG_DONE = 20,          /* Set when memory area configured */
 148     SVGA_REG_SYNC = 21,                 /* Write to force synchronization */
 149     SVGA_REG_BUSY = 22,                 /* Read to check if sync is done */
 150     SVGA_REG_GUEST_ID = 23,             /* Set guest OS identifier */
 151     SVGA_REG_CURSOR_ID = 24,            /* ID of cursor */
 152     SVGA_REG_CURSOR_X = 25,             /* Set cursor X position */
 153     SVGA_REG_CURSOR_Y = 26,             /* Set cursor Y position */
 154     SVGA_REG_CURSOR_ON = 27,            /* Turn cursor on/off */
 155     SVGA_REG_HOST_BITS_PER_PIXEL = 28,  /* Current bpp in the host */
 156     SVGA_REG_SCRATCH_SIZE = 29,         /* Number of scratch registers */
 157     SVGA_REG_MEM_REGS = 30,             /* Number of FIFO registers */
 158     SVGA_REG_NUM_DISPLAYS = 31,         /* Number of guest displays */
 159     SVGA_REG_PITCHLOCK = 32,            /* Fixed pitch for all modes */
 160
 161     SVGA_PALETTE_BASE = 1024,           /* Base of SVGA color map */
 162     SVGA_PALETTE_END  = SVGA_PALETTE_BASE + 767,
 163     SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
 164 };
 165
 166 #define SVGA_CAP_NONE                   0
 167 #define SVGA_CAP_RECT_FILL              (1 << 0)
 168 #define SVGA_CAP_RECT_COPY              (1 << 1)
 169 #define SVGA_CAP_RECT_PAT_FILL          (1 << 2)
 170 #define SVGA_CAP_LEGACY_OFFSCREEN       (1 << 3)
 171 #define SVGA_CAP_RASTER_OP              (1 << 4)
 172 #define SVGA_CAP_CURSOR                 (1 << 5)
 173 #define SVGA_CAP_CURSOR_BYPASS          (1 << 6)
 174 #define SVGA_CAP_CURSOR_BYPASS_2        (1 << 7)
 175 #define SVGA_CAP_8BIT_EMULATION         (1 << 8)
 176 #define SVGA_CAP_ALPHA_CURSOR           (1 << 9)
 177 #define SVGA_CAP_GLYPH                  (1 << 10)
 178 #define SVGA_CAP_GLYPH_CLIPPING         (1 << 11)
 179 #define SVGA_CAP_OFFSCREEN_1            (1 << 12)
 180 #define SVGA_CAP_ALPHA_BLEND            (1 << 13)
 181 #define SVGA_CAP_3D                     (1 << 14)
 182 #define SVGA_CAP_EXTENDED_FIFO          (1 << 15)
 183 #define SVGA_CAP_MULTIMON               (1 << 16)
 184 #define SVGA_CAP_PITCHLOCK              (1 << 17)
 185
 186 /*
 187  * FIFO offsets (seen as an array of 32-bit words)
 188  */
 189 enum {
 190     /*
 191      * The original defined FIFO offsets
 192      */
 193     SVGA_FIFO_MIN = 0,
 194     SVGA_FIFO_MAX,      /* The distance from MIN to MAX must be at least 10K */
 195     SVGA_FIFO_NEXT_CMD,
 196     SVGA_FIFO_STOP,
 197
 198     /*
 199      * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
 200      */
 201     SVGA_FIFO_CAPABILITIES = 4,
 202     SVGA_FIFO_FLAGS,
 203     SVGA_FIFO_FENCE,
 204     SVGA_FIFO_3D_HWVERSION,
 205     SVGA_FIFO_PITCHLOCK,
 206 };
 207
 208 #define SVGA_FIFO_CAP_NONE              0
 209 #define SVGA_FIFO_CAP_FENCE             (1 << 0)
 210 #define SVGA_FIFO_CAP_ACCELFRONT        (1 << 1)
 211 #define SVGA_FIFO_CAP_PITCHLOCK         (1 << 2)
 212
 213 #define SVGA_FIFO_FLAG_NONE             0
 214 #define SVGA_FIFO_FLAG_ACCELFRONT       (1 << 0)
 215
 216 /* These values can probably be changed arbitrarily.  */
 217 #define SVGA_SCRATCH_SIZE               0x8000
 218 #define SVGA_MAX_WIDTH                  2360
 219 #define SVGA_MAX_HEIGHT                 1770
 220
 221 #ifdef VERBOSE
 222 # define GUEST_OS_BASE          0x5001
 223 static const char *vmsvga_guest_id[] = {
 224     [0x00] = "Dos",
 225     [0x01] = "Windows 3.1",
 226     [0x02] = "Windows 95",
 227     [0x03] = "Windows 98",
 228     [0x04] = "Windows ME",
 229     [0x05] = "Windows NT",
 230     [0x06] = "Windows 2000",
 231     [0x07] = "Linux",
 232     [0x08] = "OS/2",
 233     [0x09] = "an unknown OS",
 234     [0x0a] = "BSD",
 235     [0x0b] = "Whistler",
 236     [0x0c] = "an unknown OS",
 237     [0x0d] = "an unknown OS",
 238     [0x0e] = "an unknown OS",
 239     [0x0f] = "an unknown OS",
 240     [0x10] = "an unknown OS",
 241     [0x11] = "an unknown OS",
 242     [0x12] = "an unknown OS",
 243     [0x13] = "an unknown OS",
 244     [0x14] = "an unknown OS",
 245     [0x15] = "Windows 2003",
 246 };
 247 #endif
 248
 249 enum {
 250     SVGA_CMD_INVALID_CMD = 0,
 251     SVGA_CMD_UPDATE = 1,
 252     SVGA_CMD_RECT_FILL = 2,
 253     SVGA_CMD_RECT_COPY = 3,
 254     SVGA_CMD_DEFINE_BITMAP = 4,
 255     SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
 256     SVGA_CMD_DEFINE_PIXMAP = 6,
 257     SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
 258     SVGA_CMD_RECT_BITMAP_FILL = 8,
 259     SVGA_CMD_RECT_PIXMAP_FILL = 9,
 260     SVGA_CMD_RECT_BITMAP_COPY = 10,
 261     SVGA_CMD_RECT_PIXMAP_COPY = 11,
 262     SVGA_CMD_FREE_OBJECT = 12,
 263     SVGA_CMD_RECT_ROP_FILL = 13,
 264     SVGA_CMD_RECT_ROP_COPY = 14,
 265     SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
 266     SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
 267     SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
 268     SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
 269     SVGA_CMD_DEFINE_CURSOR = 19,
 270     SVGA_CMD_DISPLAY_CURSOR = 20,
 271     SVGA_CMD_MOVE_CURSOR = 21,
 272     SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
 273     SVGA_CMD_DRAW_GLYPH = 23,
 274     SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
 275     SVGA_CMD_UPDATE_VERBOSE = 25,
 276     SVGA_CMD_SURFACE_FILL = 26,
 277     SVGA_CMD_SURFACE_COPY = 27,
 278     SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
 279     SVGA_CMD_FRONT_ROP_FILL = 29,
 280     SVGA_CMD_FENCE = 30,
 281 };
 282
 283 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
 284 enum {
 285     SVGA_CURSOR_ON_HIDE = 0,
 286     SVGA_CURSOR_ON_SHOW = 1,
 287     SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
 288     SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
 289 };
 290
 291 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
 292                 int x, int y, int w, int h)
 293 {
 294     int line;
 295     int bypl;
 296     int width;
 297     int start;
 298     uint8_t *src;
 299     uint8_t *dst;
 300
 301     if (x + w > s->width) {
 302         fprintf(stderr, "%s: update width too large x: %d, w: %d\n",
 303                         __FUNCTION__, x, w);
 304         x = MIN(x, s->width);
 305         w = s->width - x;
 306     }
 307
 308     if (y + h > s->height) {
 309         fprintf(stderr, "%s: update height too large y: %d, h: %d\n",
 310                         __FUNCTION__, y, h);
 311         y = MIN(y, s->height);
 312         h = s->height - y;
 313     }
 314
 315     line = h;
 316     bypl = s->bypp * s->width;
 317     width = s->bypp * w;
 318     start = s->bypp * x + bypl * y;
 319     src = s->vga.vram_ptr + start;
 320     dst = ds_get_data(s->vga.ds) + start;
 321
 322     for (; line > 0; line --, src += bypl, dst += bypl)
 323         memcpy(dst, src, width);
 324
 325     dpy_update(s->vga.ds, x, y, w, h);
 326 }
 327
 328 static inline void vmsvga_update_screen(struct vmsvga_state_s *s)
 329 {
 330     memcpy(ds_get_data(s->vga.ds), s->vga.vram_ptr,
 331            s->bypp * s->width * s->height);
 332     dpy_update(s->vga.ds, 0, 0, s->width, s->height);
 333 }
 334
 335 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
 336                 int x, int y, int w, int h)
 337 {
 338     struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last ++];
 339     s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
 340     rect->x = x;
 341     rect->y = y;
 342     rect->w = w;
 343     rect->h = h;
 344 }
 345
 346 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
 347 {
 348     struct vmsvga_rect_s *rect;
 349     if (s->invalidated) {
 350         s->redraw_fifo_first = s->redraw_fifo_last;
 351         return;
 352     }
 353     /* Overlapping region updates can be optimised out here - if someone
 354      * knows a smart algorithm to do that, please share.  */
 355     while (s->redraw_fifo_first != s->redraw_fifo_last) {
 356         rect = &s->redraw_fifo[s->redraw_fifo_first ++];
 357         s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
 358         vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
 359     }
 360 }
 361
 362 #ifdef HW_RECT_ACCEL
 363 static inline void vmsvga_copy_rect(struct vmsvga_state_s *s,
 364                 int x0, int y0, int x1, int y1, int w, int h)
 365 {
 366     uint8_t *vram = s->vga.vram_ptr;
 367     int bypl = s->bypp * s->width;
 368     int width = s->bypp * w;
 369     int line = h;
 370     uint8_t *ptr[2];
 371
 372     if (y1 > y0) {
 373         ptr[0] = vram + s->bypp * x0 + bypl * (y0 + h - 1);
 374         ptr[1] = vram + s->bypp * x1 + bypl * (y1 + h - 1);
 375         for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl) {
 376             memmove(ptr[1], ptr[0], width);
 377         }
 378     } else {
 379         ptr[0] = vram + s->bypp * x0 + bypl * y0;
 380         ptr[1] = vram + s->bypp * x1 + bypl * y1;
 381         for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl) {
 382             memmove(ptr[1], ptr[0], width);
 383         }
 384     }
 385
 386     vmsvga_update_rect_delayed(s, x1, y1, w, h);
 387 }
 388 #endif
 389
 390 #ifdef HW_FILL_ACCEL
 391 static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
 392                 uint32_t c, int x, int y, int w, int h)
 393 {
 394     uint8_t *vram = s->vga.vram_ptr;
 395     int bypp = s->bypp;
 396     int bypl = bypp * s->width;
 397     int width = bypp * w;
 398     int line = h;
 399     int column;
 400     uint8_t *fst = vram + bypp * x + bypl * y;
 401     uint8_t *dst;
 402     uint8_t *src;
 403     uint8_t col[4];
 404
 405     col[0] = c;
 406     col[1] = c >> 8;
 407     col[2] = c >> 16;
 408     col[3] = c >> 24;
 409
 410     if (line--) {
 411         dst = fst;
 412         src = col;
 413         for (column = width; column > 0; column--) {
 414             *(dst++) = *(src++);
 415             if (src - col == bypp) {
 416                 src = col;
 417             }
 418         }
 419         dst = fst;
 420         for (; line > 0; line--) {
 421             dst += bypl;
 422             memcpy(dst, fst, width);
 423         }
 424     }
 425
 426     vmsvga_update_rect_delayed(s, x, y, w, h);
 427 }
 428 #endif
 429
 430 struct vmsvga_cursor_definition_s {
 431     int width;
 432     int height;
 433     int id;
 434     int bpp;
 435     int hot_x;
 436     int hot_y;
 437     uint32_t mask[1024];
 438     uint32_t image[4096];
 439 };
 440
 441 #define SVGA_BITMAP_SIZE(w, h)          ((((w) + 31) >> 5) * (h))
 442 #define SVGA_PIXMAP_SIZE(w, h, bpp)     (((((w) * (bpp)) + 31) >> 5) * (h))
 443
 444 #ifdef HW_MOUSE_ACCEL
 445 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
 446                 struct vmsvga_cursor_definition_s *c)
 447 {
 448     QEMUCursor *qc;
 449     int i, pixels;
 450
 451     qc = cursor_alloc(c->width, c->height);
 452     qc->hot_x = c->hot_x;
 453     qc->hot_y = c->hot_y;
 454     switch (c->bpp) {
 455     case 1:
 456         cursor_set_mono(qc, 0xffffff, 0x000000, (void*)c->image,
 457                         1, (void*)c->mask);
 458 #ifdef DEBUG
 459         cursor_print_ascii_art(qc, "vmware/mono");
 460 #endif
 461         break;
 462     case 32:
 463         /* fill alpha channel from mask, set color to zero */
 464         cursor_set_mono(qc, 0x000000, 0x000000, (void*)c->mask,
 465                         1, (void*)c->mask);
 466         /* add in rgb values */
 467         pixels = c->width * c->height;
 468         for (i = 0; i < pixels; i++) {
 469             qc->data[i] |= c->image[i] & 0xffffff;
 470         }
 471 #ifdef DEBUG
 472         cursor_print_ascii_art(qc, "vmware/32bit");
 473 #endif
 474         break;
 475     default:
 476         fprintf(stderr, "%s: unhandled bpp %d, using fallback cursor\n",
 477                 __FUNCTION__, c->bpp);
 478         cursor_put(qc);
 479         qc = cursor_builtin_left_ptr();
 480     }
 481
 482     if (s->vga.ds->cursor_define)
 483         s->vga.ds->cursor_define(qc);
 484     cursor_put(qc);
 485 }
 486 #endif
 487
 488 #define CMD(f)  le32_to_cpu(s->cmd->f)
 489
 490 static inline int vmsvga_fifo_length(struct vmsvga_state_s *s)
 491 {
 492     int num;
 493     if (!s->config || !s->enable)
 494         return 0;
 495     num = CMD(next_cmd) - CMD(stop);
 496     if (num < 0)
 497         num += CMD(max) - CMD(min);
 498     return num >> 2;
 499 }
 500
 501 static inline uint32_t vmsvga_fifo_read_raw(struct vmsvga_state_s *s)
 502 {
 503     uint32_t cmd = s->fifo[CMD(stop) >> 2];
 504     s->cmd->stop = cpu_to_le32(CMD(stop) + 4);
 505     if (CMD(stop) >= CMD(max))
 506         s->cmd->stop = s->cmd->min;
 507     return cmd;
 508 }
 509
 510 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
 511 {
 512     return le32_to_cpu(vmsvga_fifo_read_raw(s));
 513 }
 514
 515 static void vmsvga_fifo_run(struct vmsvga_state_s *s)
 516 {
 517     uint32_t cmd, colour;
 518     int args, len;
 519     int x, y, dx, dy, width, height;
 520     struct vmsvga_cursor_definition_s cursor;
 521     uint32_t cmd_start;
 522
 523     len = vmsvga_fifo_length(s);
 524     while (len > 0) {
 525         /* May need to go back to the start of the command if incomplete */
 526         cmd_start = s->cmd->stop;
 527
 528         switch (cmd = vmsvga_fifo_read(s)) {
 529         case SVGA_CMD_UPDATE:
 530         case SVGA_CMD_UPDATE_VERBOSE:
 531             len -= 5;
 532             if (len < 0)
 533                 goto rewind;
 534
 535             x = vmsvga_fifo_read(s);
 536             y = vmsvga_fifo_read(s);
 537             width = vmsvga_fifo_read(s);
 538             height = vmsvga_fifo_read(s);
 539             vmsvga_update_rect_delayed(s, x, y, width, height);
 540             break;
 541
 542         case SVGA_CMD_RECT_FILL:
 543             len -= 6;
 544             if (len < 0)
 545                 goto rewind;
 546
 547             colour = vmsvga_fifo_read(s);
 548             x = vmsvga_fifo_read(s);
 549             y = vmsvga_fifo_read(s);
 550             width = vmsvga_fifo_read(s);
 551             height = vmsvga_fifo_read(s);
 552 #ifdef HW_FILL_ACCEL
 553             vmsvga_fill_rect(s, colour, x, y, width, height);
 554             break;
 555 #else
 556             args = 0;
 557             goto badcmd;
 558 #endif
 559
 560         case SVGA_CMD_RECT_COPY:
 561             len -= 7;
 562             if (len < 0)
 563                 goto rewind;
 564
 565             x = vmsvga_fifo_read(s);
 566             y = vmsvga_fifo_read(s);
 567             dx = vmsvga_fifo_read(s);
 568             dy = vmsvga_fifo_read(s);
 569             width = vmsvga_fifo_read(s);
 570             height = vmsvga_fifo_read(s);
 571 #ifdef HW_RECT_ACCEL
 572             vmsvga_copy_rect(s, x, y, dx, dy, width, height);
 573             break;
 574 #else
 575             args = 0;
 576             goto badcmd;
 577 #endif
 578
 579         case SVGA_CMD_DEFINE_CURSOR:
 580             len -= 8;
 581             if (len < 0)
 582                 goto rewind;
 583
 584             cursor.id = vmsvga_fifo_read(s);
 585             cursor.hot_x = vmsvga_fifo_read(s);
 586             cursor.hot_y = vmsvga_fifo_read(s);
 587             cursor.width = x = vmsvga_fifo_read(s);
 588             cursor.height = y = vmsvga_fifo_read(s);
 589             vmsvga_fifo_read(s);
 590             cursor.bpp = vmsvga_fifo_read(s);
 591
 592             args = SVGA_BITMAP_SIZE(x, y) + SVGA_PIXMAP_SIZE(x, y, cursor.bpp);
 593             if (SVGA_BITMAP_SIZE(x, y) > sizeof cursor.mask ||
 594                 SVGA_PIXMAP_SIZE(x, y, cursor.bpp) > sizeof cursor.image)
 595                     goto badcmd;
 596
 597             len -= args;
 598             if (len < 0)
 599                 goto rewind;
 600
 601             for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args ++)
 602                 cursor.mask[args] = vmsvga_fifo_read_raw(s);
 603             for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args ++)
 604                 cursor.image[args] = vmsvga_fifo_read_raw(s);
 605 #ifdef HW_MOUSE_ACCEL
 606             vmsvga_cursor_define(s, &cursor);
 607             break;
 608 #else
 609             args = 0;
 610             goto badcmd;
 611 #endif
 612
 613         /*
 614          * Other commands that we at least know the number of arguments
 615          * for so we can avoid FIFO desync if driver uses them illegally.
 616          */
 617         case SVGA_CMD_DEFINE_ALPHA_CURSOR:
 618             len -= 6;
 619             if (len < 0)
 620                 goto rewind;
 621
 622             vmsvga_fifo_read(s);
 623             vmsvga_fifo_read(s);
 624             vmsvga_fifo_read(s);
 625             x = vmsvga_fifo_read(s);
 626             y = vmsvga_fifo_read(s);
 627             args = x * y;
 628             goto badcmd;
 629         case SVGA_CMD_RECT_ROP_FILL:
 630             args = 6;
 631             goto badcmd;
 632         case SVGA_CMD_RECT_ROP_COPY:
 633             args = 7;
 634             goto badcmd;
 635         case SVGA_CMD_DRAW_GLYPH_CLIPPED:
 636             len -= 4;
 637             if (len < 0)
 638                 goto rewind;
 639
 640             vmsvga_fifo_read(s);
 641             vmsvga_fifo_read(s);
 642             args = 7 + (vmsvga_fifo_read(s) >> 2);
 643             goto badcmd;
 644         case SVGA_CMD_SURFACE_ALPHA_BLEND:
 645             args = 12;
 646             goto badcmd;
 647
 648         /*
 649          * Other commands that are not listed as depending on any
 650          * CAPABILITIES bits, but are not described in the README either.
 651          */
 652         case SVGA_CMD_SURFACE_FILL:
 653         case SVGA_CMD_SURFACE_COPY:
 654         case SVGA_CMD_FRONT_ROP_FILL:
 655         case SVGA_CMD_FENCE:
 656         case SVGA_CMD_INVALID_CMD:
 657             break; /* Nop */
 658
 659         default:
 660             args = 0;
 661         badcmd:
 662             len -= args;
 663             if (len < 0)
 664                 goto rewind;
 665             while (args --)
 666                 vmsvga_fifo_read(s);
 667             printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
 668                             __FUNCTION__, cmd);
 669             break;
 670
 671         rewind:
 672             s->cmd->stop = cmd_start;
 673             break;
 674         }
 675     }
 676
 677     s->syncing = 0;
 678 }
 679
 680 static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
 681 {
 682     struct vmsvga_state_s *s = opaque;
 683     return s->index;
 684 }
 685
 686 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
 687 {
 688     struct vmsvga_state_s *s = opaque;
 689     s->index = index;
 690 }
 691
 692 static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
 693 {
 694     uint32_t caps;
 695     struct vmsvga_state_s *s = opaque;
 696     switch (s->index) {
 697     case SVGA_REG_ID:
 698         return s->svgaid;
 699
 700     case SVGA_REG_ENABLE:
 701         return s->enable;
 702
 703     case SVGA_REG_WIDTH:
 704         return s->width;
 705
 706     case SVGA_REG_HEIGHT:
 707         return s->height;
 708
 709     case SVGA_REG_MAX_WIDTH:
 710         return SVGA_MAX_WIDTH;
 711
 712     case SVGA_REG_MAX_HEIGHT:
 713         return SVGA_MAX_HEIGHT;
 714
 715     case SVGA_REG_DEPTH:
 716         return s->depth;
 717
 718     case SVGA_REG_BITS_PER_PIXEL:
 719         return (s->depth + 7) & ~7;
 720
 721     case SVGA_REG_PSEUDOCOLOR:
 722         return 0x0;
 723
 724     case SVGA_REG_RED_MASK:
 725         return s->wred;
 726     case SVGA_REG_GREEN_MASK:
 727         return s->wgreen;
 728     case SVGA_REG_BLUE_MASK:
 729         return s->wblue;
 730
 731     case SVGA_REG_BYTES_PER_LINE:
 732         return ((s->depth + 7) >> 3) * s->new_width;
 733
 734     case SVGA_REG_FB_START: {
 735         struct pci_vmsvga_state_s *pci_vmsvga
 736             = container_of(s, struct pci_vmsvga_state_s, chip);
 737         return pci_get_bar_addr(&pci_vmsvga->card, 1);
 738     }
 739
 740     case SVGA_REG_FB_OFFSET:
 741         return 0x0;
 742
 743     case SVGA_REG_VRAM_SIZE:
 744         return s->vga.vram_size;
 745
 746     case SVGA_REG_FB_SIZE:
 747         return s->fb_size;
 748
 749     case SVGA_REG_CAPABILITIES:
 750         caps = SVGA_CAP_NONE;
 751 #ifdef HW_RECT_ACCEL
 752         caps |= SVGA_CAP_RECT_COPY;
 753 #endif
 754 #ifdef HW_FILL_ACCEL
 755         caps |= SVGA_CAP_RECT_FILL;
 756 #endif
 757 #ifdef HW_MOUSE_ACCEL
 758         if (s->vga.ds->mouse_set)
 759             caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
 760                     SVGA_CAP_CURSOR_BYPASS;
 761 #endif
 762         return caps;
 763
 764     case SVGA_REG_MEM_START: {
 765         struct pci_vmsvga_state_s *pci_vmsvga
 766             = container_of(s, struct pci_vmsvga_state_s, chip);
 767         return pci_get_bar_addr(&pci_vmsvga->card, 2);
 768     }
 769
 770     case SVGA_REG_MEM_SIZE:
 771         return s->fifo_size;
 772
 773     case SVGA_REG_CONFIG_DONE:
 774         return s->config;
 775
 776     case SVGA_REG_SYNC:
 777     case SVGA_REG_BUSY:
 778         return s->syncing;
 779
 780     case SVGA_REG_GUEST_ID:
 781         return s->guest;
 782
 783     case SVGA_REG_CURSOR_ID:
 784         return s->cursor.id;
 785
 786     case SVGA_REG_CURSOR_X:
 787         return s->cursor.x;
 788
 789     case SVGA_REG_CURSOR_Y:
 790         return s->cursor.x;
 791
 792     case SVGA_REG_CURSOR_ON:
 793         return s->cursor.on;
 794
 795     case SVGA_REG_HOST_BITS_PER_PIXEL:
 796         return (s->depth + 7) & ~7;
 797
 798     case SVGA_REG_SCRATCH_SIZE:
 799         return s->scratch_size;
 800
 801     case SVGA_REG_MEM_REGS:
 802     case SVGA_REG_NUM_DISPLAYS:
 803     case SVGA_REG_PITCHLOCK:
 804     case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
 805         return 0;
 806
 807     default:
 808         if (s->index >= SVGA_SCRATCH_BASE &&
 809                 s->index < SVGA_SCRATCH_BASE + s->scratch_size)
 810             return s->scratch[s->index - SVGA_SCRATCH_BASE];
 811         printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
 812     }
 813
 814     return 0;
 815 }
 816
 817 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
 818 {
 819     struct vmsvga_state_s *s = opaque;
 820     switch (s->index) {
 821     case SVGA_REG_ID:
 822         if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0)
 823             s->svgaid = value;
 824         break;
 825
 826     case SVGA_REG_ENABLE:
 827         s->enable = value;
 828         s->config &= !!value;
 829         s->width = -1;
 830         s->height = -1;
 831         s->invalidated = 1;
 832         s->vga.invalidate(&s->vga);
 833         if (s->enable) {
 834             s->fb_size = ((s->depth + 7) >> 3) * s->new_width * s->new_height;
 835             vga_dirty_log_stop(&s->vga);
 836         } else {
 837             vga_dirty_log_start(&s->vga);
 838         }
 839         break;
 840
 841     case SVGA_REG_WIDTH:
 842         s->new_width = value;
 843         s->invalidated = 1;
 844         break;
 845
 846     case SVGA_REG_HEIGHT:
 847         s->new_height = value;
 848         s->invalidated = 1;
 849         break;
 850
 851     case SVGA_REG_DEPTH:
 852     case SVGA_REG_BITS_PER_PIXEL:
 853         if (value != s->depth) {
 854             printf("%s: Bad colour depth: %i bits\n", __FUNCTION__, value);
 855             s->config = 0;
 856         }
 857         break;
 858
 859     case SVGA_REG_CONFIG_DONE:
 860         if (value) {
 861             s->fifo = (uint32_t *) s->fifo_ptr;
 862             /* Check range and alignment.  */
 863             if ((CMD(min) | CMD(max) |
 864                         CMD(next_cmd) | CMD(stop)) & 3)
 865                 break;
 866             if (CMD(min) < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo)
 867                 break;
 868             if (CMD(max) > SVGA_FIFO_SIZE)
 869                 break;
 870             if (CMD(max) < CMD(min) + 10 * 1024)
 871                 break;
 872         }
 873         s->config = !!value;
 874         break;
 875
 876     case SVGA_REG_SYNC:
 877         s->syncing = 1;
 878         vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
 879         break;
 880
 881     case SVGA_REG_GUEST_ID:
 882         s->guest = value;
 883 #ifdef VERBOSE
 884         if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
 885                 ARRAY_SIZE(vmsvga_guest_id))
 886             printf("%s: guest runs %s.\n", __FUNCTION__,
 887                             vmsvga_guest_id[value - GUEST_OS_BASE]);
 888 #endif
 889         break;
 890
 891     case SVGA_REG_CURSOR_ID:
 892         s->cursor.id = value;
 893         break;
 894
 895     case SVGA_REG_CURSOR_X:
 896         s->cursor.x = value;
 897         break;
 898
 899     case SVGA_REG_CURSOR_Y:
 900         s->cursor.y = value;
 901         break;
 902
 903     case SVGA_REG_CURSOR_ON:
 904         s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
 905         s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
 906 #ifdef HW_MOUSE_ACCEL
 907         if (s->vga.ds->mouse_set && value <= SVGA_CURSOR_ON_SHOW)
 908             s->vga.ds->mouse_set(s->cursor.x, s->cursor.y, s->cursor.on);
 909 #endif
 910         break;
 911
 912     case SVGA_REG_MEM_REGS:
 913     case SVGA_REG_NUM_DISPLAYS:
 914     case SVGA_REG_PITCHLOCK:
 915     case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
 916         break;
 917
 918     default:
 919         if (s->index >= SVGA_SCRATCH_BASE &&
 920                 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
 921             s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
 922             break;
 923         }
 924         printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
 925     }
 926 }
 927
 928 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
 929 {
 930     printf("%s: what are we supposed to return?\n", __FUNCTION__);
 931     return 0xcafe;
 932 }
 933
 934 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
 935 {
 936     printf("%s: what are we supposed to do with (%08x)?\n",
 937                     __FUNCTION__, data);
 938 }
 939
 940 static inline void vmsvga_size(struct vmsvga_state_s *s)
 941 {
 942     if (s->new_width != s->width || s->new_height != s->height) {
 943         s->width = s->new_width;
 944         s->height = s->new_height;
 945         qemu_console_resize(s->vga.ds, s->width, s->height);
 946         s->invalidated = 1;
 947     }
 948 }
 949
 950 static void vmsvga_update_display(void *opaque)
 951 {
 952     struct vmsvga_state_s *s = opaque;
 953     if (!s->enable) {
 954         s->vga.update(&s->vga);
 955         return;
 956     }
 957
 958     vmsvga_size(s);
 959
 960     vmsvga_fifo_run(s);
 961     vmsvga_update_rect_flush(s);
 962
 963     /*
 964      * Is it more efficient to look at vram VGA-dirty bits or wait
 965      * for the driver to issue SVGA_CMD_UPDATE?
 966      */
 967     if (s->invalidated) {
 968         s->invalidated = 0;
 969         vmsvga_update_screen(s);
 970     }
 971 }
 972
 973 static void vmsvga_reset(DeviceState *dev)
 974 {
 975     struct pci_vmsvga_state_s *pci =
 976         DO_UPCAST(struct pci_vmsvga_state_s, card.qdev, dev);
 977     struct vmsvga_state_s *s = &pci->chip;
 978
 979     s->index = 0;
 980     s->enable = 0;
 981     s->config = 0;
 982     s->width = -1;
 983     s->height = -1;
 984     s->svgaid = SVGA_ID;
 985     s->cursor.on = 0;
 986     s->redraw_fifo_first = 0;
 987     s->redraw_fifo_last = 0;
 988     s->syncing = 0;
 989
 990     vga_dirty_log_start(&s->vga);
 991 }
 992
 993 static void vmsvga_invalidate_display(void *opaque)
 994 {
 995     struct vmsvga_state_s *s = opaque;
 996     if (!s->enable) {
 997         s->vga.invalidate(&s->vga);
 998         return;
 999     }
1000
1001     s->invalidated = 1;
1002 }
1003
1004 /* save the vga display in a PPM image even if no display is
1005    available */
1006 static void vmsvga_screen_dump(void *opaque, const char *filename)
1007 {
1008     struct vmsvga_state_s *s = opaque;
1009     if (!s->enable) {
1010         s->vga.screen_dump(&s->vga, filename);
1011         return;
1012     }
1013
1014     if (s->depth == 32) {
1015         DisplaySurface *ds = qemu_create_displaysurface_from(s->width,
1016                 s->height, 32, ds_get_linesize(s->vga.ds), s->vga.vram_ptr);
1017         ppm_save(filename, ds);
1018         g_free(ds);
1019     }
1020 }
1021
1022 static void vmsvga_text_update(void *opaque, console_ch_t *chardata)
1023 {
1024     struct vmsvga_state_s *s = opaque;
1025
1026     if (s->vga.text_update)
1027         s->vga.text_update(&s->vga, chardata);
1028 }
1029
1030 static int vmsvga_post_load(void *opaque, int version_id)
1031 {
1032     struct vmsvga_state_s *s = opaque;
1033
1034     s->invalidated = 1;
1035     if (s->config)
1036         s->fifo = (uint32_t *) s->fifo_ptr;
1037
1038     return 0;
1039 }
1040
1041 static const VMStateDescription vmstate_vmware_vga_internal = {
1042     .name = "vmware_vga_internal",
1043     .version_id = 0,
1044     .minimum_version_id = 0,
1045     .minimum_version_id_old = 0,
1046     .post_load = vmsvga_post_load,
1047     .fields      = (VMStateField []) {
1048         VMSTATE_INT32_EQUAL(depth, struct vmsvga_state_s),
1049         VMSTATE_INT32(enable, struct vmsvga_state_s),
1050         VMSTATE_INT32(config, struct vmsvga_state_s),
1051         VMSTATE_INT32(cursor.id, struct vmsvga_state_s),
1052         VMSTATE_INT32(cursor.x, struct vmsvga_state_s),
1053         VMSTATE_INT32(cursor.y, struct vmsvga_state_s),
1054         VMSTATE_INT32(cursor.on, struct vmsvga_state_s),
1055         VMSTATE_INT32(index, struct vmsvga_state_s),
1056         VMSTATE_VARRAY_INT32(scratch, struct vmsvga_state_s,
1057                              scratch_size, 0, vmstate_info_uint32, uint32_t),
1058         VMSTATE_INT32(new_width, struct vmsvga_state_s),
1059         VMSTATE_INT32(new_height, struct vmsvga_state_s),
1060         VMSTATE_UINT32(guest, struct vmsvga_state_s),
1061         VMSTATE_UINT32(svgaid, struct vmsvga_state_s),
1062         VMSTATE_INT32(syncing, struct vmsvga_state_s),
1063         VMSTATE_INT32(fb_size, struct vmsvga_state_s),
1064         VMSTATE_END_OF_LIST()
1065     }
1066 };
1067
1068 static const VMStateDescription vmstate_vmware_vga = {
1069     .name = "vmware_vga",
1070     .version_id = 0,
1071     .minimum_version_id = 0,
1072     .minimum_version_id_old = 0,
1073     .fields      = (VMStateField []) {
1074         VMSTATE_PCI_DEVICE(card, struct pci_vmsvga_state_s),
1075         VMSTATE_STRUCT(chip, struct pci_vmsvga_state_s, 0,
1076                        vmstate_vmware_vga_internal, struct vmsvga_state_s),
1077         VMSTATE_END_OF_LIST()
1078     }
1079 };
1080
1081 static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size,
1082                         MemoryRegion *address_space, MemoryRegion *io)
1083 {
1084     s->scratch_size = SVGA_SCRATCH_SIZE;
1085     s->scratch = g_malloc(s->scratch_size * 4);
1086
1087     s->vga.ds = graphic_console_init(vmsvga_update_display,
1088                                      vmsvga_invalidate_display,
1089                                      vmsvga_screen_dump,
1090                                      vmsvga_text_update, s);
1091
1092
1093     s->fifo_size = SVGA_FIFO_SIZE;
1094     memory_region_init_ram(&s->fifo_ram, "vmsvga.fifo", s->fifo_size);
1095     vmstate_register_ram_global(&s->fifo_ram);
1096     s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
1097
1098     vga_common_init(&s->vga, vga_ram_size);
1099     vga_init(&s->vga, address_space, io, true);
1100     vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
1101
1102     s->depth = ds_get_bits_per_pixel(s->vga.ds);
1103     s->bypp = ds_get_bytes_per_pixel(s->vga.ds);
1104     switch (s->depth) {
1105     case 8:
1106         s->wred   = 0x00000007;
1107         s->wgreen = 0x00000038;
1108         s->wblue  = 0x000000c0;
1109         break;
1110     case 15:
1111         s->wred   = 0x0000001f;
1112         s->wgreen = 0x000003e0;
1113         s->wblue  = 0x00007c00;
1114         break;
1115     case 16:
1116         s->wred   = 0x0000001f;
1117         s->wgreen = 0x000007e0;
1118         s->wblue  = 0x0000f800;
1119         break;
1120     case 24:
1121         s->wred   = 0x00ff0000;
1122         s->wgreen = 0x0000ff00;
1123         s->wblue  = 0x000000ff;
1124         break;
1125     case 32:
1126         s->wred   = 0x00ff0000;
1127         s->wgreen = 0x0000ff00;
1128         s->wblue  = 0x000000ff;
1129         break;
1130     }
1131 }
1132
1133 static uint64_t vmsvga_io_read(void *opaque, target_phys_addr_t addr,
1134                                unsigned size)
1135 {
1136     struct vmsvga_state_s *s = opaque;
1137
1138     switch (addr) {
1139     case SVGA_IO_MUL * SVGA_INDEX_PORT: return vmsvga_index_read(s, addr);
1140     case SVGA_IO_MUL * SVGA_VALUE_PORT: return vmsvga_value_read(s, addr);
1141     case SVGA_IO_MUL * SVGA_BIOS_PORT: return vmsvga_bios_read(s, addr);
1142     default: return -1u;
1143     }
1144 }
1145
1146 static void vmsvga_io_write(void *opaque, target_phys_addr_t addr,
1147                             uint64_t data, unsigned size)
1148 {
1149     struct vmsvga_state_s *s = opaque;
1150
1151     switch (addr) {
1152     case SVGA_IO_MUL * SVGA_INDEX_PORT:
1153         return vmsvga_index_write(s, addr, data);
1154     case SVGA_IO_MUL * SVGA_VALUE_PORT:
1155         return vmsvga_value_write(s, addr, data);
1156     case SVGA_IO_MUL * SVGA_BIOS_PORT:
1157         return vmsvga_bios_write(s, addr, data);
1158     }
1159 }
1160
1161 static const MemoryRegionOps vmsvga_io_ops = {
1162     .read = vmsvga_io_read,
1163     .write = vmsvga_io_write,
1164     .endianness = DEVICE_LITTLE_ENDIAN,
1165     .valid = {
1166         .min_access_size = 4,
1167         .max_access_size = 4,
1168     },
1169 };
1170
1171 static int pci_vmsvga_initfn(PCIDevice *dev)
1172 {
1173     struct pci_vmsvga_state_s *s =
1174         DO_UPCAST(struct pci_vmsvga_state_s, card, dev);
1175     MemoryRegion *iomem;
1176
1177     iomem = &s->chip.vga.vram;
1178
1179     s->card.config[PCI_CACHE_LINE_SIZE] = 0x08;         /* Cache line size */
1180     s->card.config[PCI_LATENCY_TIMER] = 0x40;           /* Latency timer */
1181     s->card.config[PCI_INTERRUPT_LINE] = 0xff;          /* End */
1182
1183     memory_region_init_io(&s->io_bar, &vmsvga_io_ops, &s->chip,
1184                           "vmsvga-io", 0x10);
1185     pci_register_bar(&s->card, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
1186
1187     vmsvga_init(&s->chip, VGA_RAM_SIZE, pci_address_space(dev),
1188                 pci_address_space_io(dev));
1189
1190     pci_register_bar(&s->card, 1, PCI_BASE_ADDRESS_MEM_PREFETCH, iomem);
1191     pci_register_bar(&s->card, 2, PCI_BASE_ADDRESS_MEM_PREFETCH,
1192                      &s->chip.fifo_ram);
1193
1194     if (!dev->rom_bar) {
1195         /* compatibility with pc-0.13 and older */
1196         vga_init_vbe(&s->chip.vga, pci_address_space(dev));
1197     }
1198
1199     return 0;
1200 }
1201
1202 static PCIDeviceInfo vmsvga_info = {
1203     .qdev.name    = "vmware-svga",
1204     .qdev.size    = sizeof(struct pci_vmsvga_state_s),
1205     .qdev.vmsd    = &vmstate_vmware_vga,
1206     .qdev.reset   = vmsvga_reset,
1207     .no_hotplug   = 1,
1208     .init         = pci_vmsvga_initfn,
1209     .romfile      = "vgabios-vmware.bin",
1210
1211     .vendor_id    =  PCI_VENDOR_ID_VMWARE,
1212     .device_id    = SVGA_PCI_DEVICE_ID,
1213     .class_id     = PCI_CLASS_DISPLAY_VGA,
1214     .subsystem_vendor_id = PCI_VENDOR_ID_VMWARE,
1215     .subsystem_id = SVGA_PCI_DEVICE_ID,
1216 };
1217
1218 static void vmsvga_register(void)
1219 {
1220     pci_qdev_register(&vmsvga_info);
1221 }
1222 device_init(vmsvga_register);