hw/qdev-properties.c

   1 #include "net.h"
   2 #include "qdev.h"
   3 #include "qerror.h"
   4
   5 void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
   6 {
   7     void *ptr = dev;
   8     ptr += prop->offset;
   9     return ptr;
  10 }
  11
  12 static uint32_t qdev_get_prop_mask(Property *prop)
  13 {
  14     assert(prop->info->type == PROP_TYPE_BIT);
  15     return 0x1 << prop->bitnr;
  16 }
  17
  18 static void bit_prop_set(DeviceState *dev, Property *props, bool val)
  19 {
  20     uint32_t *p = qdev_get_prop_ptr(dev, props);
  21     uint32_t mask = qdev_get_prop_mask(props);
  22     if (val)
  23         *p |= mask;
  24     else
  25         *p &= ~mask;
  26 }
  27
  28 static void qdev_prop_cpy(DeviceState *dev, Property *props, void *src)
  29 {
  30     if (props->info->type == PROP_TYPE_BIT) {
  31         bool *defval = src;
  32         bit_prop_set(dev, props, *defval);
  33     } else {
  34         char *dst = qdev_get_prop_ptr(dev, props);
  35         memcpy(dst, src, props->info->size);
  36     }
  37 }
  38
  39 /* Bit */
  40 static int parse_bit(DeviceState *dev, Property *prop, const char *str)
  41 {
  42     if (!strncasecmp(str, "on", 2))
  43         bit_prop_set(dev, prop, true);
  44     else if (!strncasecmp(str, "off", 3))
  45         bit_prop_set(dev, prop, false);
  46     else
  47         return -EINVAL;
  48     return 0;
  49 }
  50
  51 static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len)
  52 {
  53     uint8_t *p = qdev_get_prop_ptr(dev, prop);
  54     return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off");
  55 }
  56
  57 PropertyInfo qdev_prop_bit = {
  58     .name  = "on/off",
  59     .type  = PROP_TYPE_BIT,
  60     .size  = sizeof(uint32_t),
  61     .parse = parse_bit,
  62     .print = print_bit,
  63 };
  64
  65 /* --- 8bit integer --- */
  66
  67 static int parse_uint8(DeviceState *dev, Property *prop, const char *str)
  68 {
  69     uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
  70     char *end;
  71
  72     /* accept both hex and decimal */
  73     *ptr = strtoul(str, &end, 0);
  74     if ((*end != '\0') || (end == str)) {
  75         return -EINVAL;
  76     }
  77
  78     return 0;
  79 }
  80
  81 static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len)
  82 {
  83     uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
  84     return snprintf(dest, len, "%" PRIu8, *ptr);
  85 }
  86
  87 PropertyInfo qdev_prop_uint8 = {
  88     .name  = "uint8",
  89     .type  = PROP_TYPE_UINT8,
  90     .size  = sizeof(uint8_t),
  91     .parse = parse_uint8,
  92     .print = print_uint8,
  93 };
  94
  95 /* --- 16bit integer --- */
  96
  97 static int parse_uint16(DeviceState *dev, Property *prop, const char *str)
  98 {
  99     uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
 100     char *end;
 101
 102     /* accept both hex and decimal */
 103     *ptr = strtoul(str, &end, 0);
 104     if ((*end != '\0') || (end == str)) {
 105         return -EINVAL;
 106     }
 107
 108     return 0;
 109 }
 110
 111 static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len)
 112 {
 113     uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
 114     return snprintf(dest, len, "%" PRIu16, *ptr);
 115 }
 116
 117 PropertyInfo qdev_prop_uint16 = {
 118     .name  = "uint16",
 119     .type  = PROP_TYPE_UINT16,
 120     .size  = sizeof(uint16_t),
 121     .parse = parse_uint16,
 122     .print = print_uint16,
 123 };
 124
 125 /* --- 32bit integer --- */
 126
 127 static int parse_uint32(DeviceState *dev, Property *prop, const char *str)
 128 {
 129     uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
 130     char *end;
 131
 132     /* accept both hex and decimal */
 133     *ptr = strtoul(str, &end, 0);
 134     if ((*end != '\0') || (end == str)) {
 135         return -EINVAL;
 136     }
 137
 138     return 0;
 139 }
 140
 141 static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len)
 142 {
 143     uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
 144     return snprintf(dest, len, "%" PRIu32, *ptr);
 145 }
 146
 147 PropertyInfo qdev_prop_uint32 = {
 148     .name  = "uint32",
 149     .type  = PROP_TYPE_UINT32,
 150     .size  = sizeof(uint32_t),
 151     .parse = parse_uint32,
 152     .print = print_uint32,
 153 };
 154
 155 static int parse_int32(DeviceState *dev, Property *prop, const char *str)
 156 {
 157     int32_t *ptr = qdev_get_prop_ptr(dev, prop);
 158     char *end;
 159
 160     *ptr = strtol(str, &end, 10);
 161     if ((*end != '\0') || (end == str)) {
 162         return -EINVAL;
 163     }
 164
 165     return 0;
 166 }
 167
 168 static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len)
 169 {
 170     int32_t *ptr = qdev_get_prop_ptr(dev, prop);
 171     return snprintf(dest, len, "%" PRId32, *ptr);
 172 }
 173
 174 PropertyInfo qdev_prop_int32 = {
 175     .name  = "int32",
 176     .type  = PROP_TYPE_INT32,
 177     .size  = sizeof(int32_t),
 178     .parse = parse_int32,
 179     .print = print_int32,
 180 };
 181
 182 /* --- 32bit hex value --- */
 183
 184 static int parse_hex32(DeviceState *dev, Property *prop, const char *str)
 185 {
 186     uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
 187     char *end;
 188
 189     *ptr = strtoul(str, &end, 16);
 190     if ((*end != '\0') || (end == str)) {
 191         return -EINVAL;
 192     }
 193
 194     return 0;
 195 }
 196
 197 static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len)
 198 {
 199     uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
 200     return snprintf(dest, len, "0x%" PRIx32, *ptr);
 201 }
 202
 203 PropertyInfo qdev_prop_hex32 = {
 204     .name  = "hex32",
 205     .type  = PROP_TYPE_UINT32,
 206     .size  = sizeof(uint32_t),
 207     .parse = parse_hex32,
 208     .print = print_hex32,
 209 };
 210
 211 /* --- 64bit integer --- */
 212
 213 static int parse_uint64(DeviceState *dev, Property *prop, const char *str)
 214 {
 215     uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
 216     char *end;
 217
 218     /* accept both hex and decimal */
 219     *ptr = strtoull(str, &end, 0);
 220     if ((*end != '\0') || (end == str)) {
 221         return -EINVAL;
 222     }
 223
 224     return 0;
 225 }
 226
 227 static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len)
 228 {
 229     uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
 230     return snprintf(dest, len, "%" PRIu64, *ptr);
 231 }
 232
 233 PropertyInfo qdev_prop_uint64 = {
 234     .name  = "uint64",
 235     .type  = PROP_TYPE_UINT64,
 236     .size  = sizeof(uint64_t),
 237     .parse = parse_uint64,
 238     .print = print_uint64,
 239 };
 240
 241 /* --- 64bit hex value --- */
 242
 243 static int parse_hex64(DeviceState *dev, Property *prop, const char *str)
 244 {
 245     uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
 246     char *end;
 247
 248     *ptr = strtoull(str, &end, 16);
 249     if ((*end != '\0') || (end == str)) {
 250         return -EINVAL;
 251     }
 252
 253     return 0;
 254 }
 255
 256 static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len)
 257 {
 258     uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
 259     return snprintf(dest, len, "0x%" PRIx64, *ptr);
 260 }
 261
 262 PropertyInfo qdev_prop_hex64 = {
 263     .name  = "hex64",
 264     .type  = PROP_TYPE_UINT64,
 265     .size  = sizeof(uint64_t),
 266     .parse = parse_hex64,
 267     .print = print_hex64,
 268 };
 269
 270 /* --- string --- */
 271
 272 static int parse_string(DeviceState *dev, Property *prop, const char *str)
 273 {
 274     char **ptr = qdev_get_prop_ptr(dev, prop);
 275
 276     if (*ptr)
 277         qemu_free(*ptr);
 278     *ptr = qemu_strdup(str);
 279     return 0;
 280 }
 281
 282 static void free_string(DeviceState *dev, Property *prop)
 283 {
 284     qemu_free(*(char **)qdev_get_prop_ptr(dev, prop));
 285 }
 286
 287 static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len)
 288 {
 289     char **ptr = qdev_get_prop_ptr(dev, prop);
 290     if (!*ptr)
 291         return snprintf(dest, len, "<null>");
 292     return snprintf(dest, len, "\"%s\"", *ptr);
 293 }
 294
 295 PropertyInfo qdev_prop_string = {
 296     .name  = "string",
 297     .type  = PROP_TYPE_STRING,
 298     .size  = sizeof(char*),
 299     .parse = parse_string,
 300     .print = print_string,
 301     .free  = free_string,
 302 };
 303
 304 /* --- drive --- */
 305
 306 static int parse_drive(DeviceState *dev, Property *prop, const char *str)
 307 {
 308     BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
 309     BlockDriverState *bs;
 310
 311     bs = bdrv_find(str);
 312     if (bs == NULL)
 313         return -ENOENT;
 314     *ptr = bs;
 315     return 0;
 316 }
 317
 318 static void free_drive(DeviceState *dev, Property *prop)
 319 {
 320     BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
 321
 322     if (*ptr) {
 323         blockdev_auto_del(*ptr);
 324     }
 325 }
 326
 327 static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len)
 328 {
 329     BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop);
 330     return snprintf(dest, len, "%s",
 331                     *ptr ? bdrv_get_device_name(*ptr) : "<null>");
 332 }
 333
 334 PropertyInfo qdev_prop_drive = {
 335     .name  = "drive",
 336     .type  = PROP_TYPE_DRIVE,
 337     .size  = sizeof(BlockDriverState *),
 338     .parse = parse_drive,
 339     .print = print_drive,
 340     .free  = free_drive,
 341 };
 342
 343 /* --- character device --- */
 344
 345 static int parse_chr(DeviceState *dev, Property *prop, const char *str)
 346 {
 347     CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
 348
 349     *ptr = qemu_chr_find(str);
 350     if (*ptr == NULL)
 351         return -ENOENT;
 352     return 0;
 353 }
 354
 355 static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len)
 356 {
 357     CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
 358
 359     if (*ptr && (*ptr)->label) {
 360         return snprintf(dest, len, "%s", (*ptr)->label);
 361     } else {
 362         return snprintf(dest, len, "<null>");
 363     }
 364 }
 365
 366 PropertyInfo qdev_prop_chr = {
 367     .name  = "chr",
 368     .type  = PROP_TYPE_CHR,
 369     .size  = sizeof(CharDriverState*),
 370     .parse = parse_chr,
 371     .print = print_chr,
 372 };
 373
 374 /* --- netdev device --- */
 375
 376 static int parse_netdev(DeviceState *dev, Property *prop, const char *str)
 377 {
 378     VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
 379
 380     *ptr = qemu_find_netdev(str);
 381     if (*ptr == NULL)
 382         return -ENOENT;
 383     if ((*ptr)->peer) {
 384         return -EEXIST;
 385     }
 386     return 0;
 387 }
 388
 389 static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len)
 390 {
 391     VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
 392
 393     if (*ptr && (*ptr)->name) {
 394         return snprintf(dest, len, "%s", (*ptr)->name);
 395     } else {
 396         return snprintf(dest, len, "<null>");
 397     }
 398 }
 399
 400 PropertyInfo qdev_prop_netdev = {
 401     .name  = "netdev",
 402     .type  = PROP_TYPE_NETDEV,
 403     .size  = sizeof(VLANClientState*),
 404     .parse = parse_netdev,
 405     .print = print_netdev,
 406 };
 407
 408 /* --- vlan --- */
 409
 410 static int parse_vlan(DeviceState *dev, Property *prop, const char *str)
 411 {
 412     VLANState **ptr = qdev_get_prop_ptr(dev, prop);
 413     int id;
 414
 415     if (sscanf(str, "%d", &id) != 1)
 416         return -EINVAL;
 417     *ptr = qemu_find_vlan(id, 1);
 418     if (*ptr == NULL)
 419         return -ENOENT;
 420     return 0;
 421 }
 422
 423 static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len)
 424 {
 425     VLANState **ptr = qdev_get_prop_ptr(dev, prop);
 426
 427     if (*ptr) {
 428         return snprintf(dest, len, "%d", (*ptr)->id);
 429     } else {
 430         return snprintf(dest, len, "<null>");
 431     }
 432 }
 433
 434 PropertyInfo qdev_prop_vlan = {
 435     .name  = "vlan",
 436     .type  = PROP_TYPE_VLAN,
 437     .size  = sizeof(VLANClientState*),
 438     .parse = parse_vlan,
 439     .print = print_vlan,
 440 };
 441
 442 /* --- pointer --- */
 443
 444 /* Not a proper property, just for dirty hacks.  TODO Remove it!  */
 445 PropertyInfo qdev_prop_ptr = {
 446     .name  = "ptr",
 447     .type  = PROP_TYPE_PTR,
 448     .size  = sizeof(void*),
 449 };
 450
 451 /* --- mac address --- */
 452
 453 /*
 454  * accepted syntax versions:
 455  *   01:02:03:04:05:06
 456  *   01-02-03-04-05-06
 457  */
 458 static int parse_mac(DeviceState *dev, Property *prop, const char *str)
 459 {
 460     MACAddr *mac = qdev_get_prop_ptr(dev, prop);
 461     int i, pos;
 462     char *p;
 463
 464     for (i = 0, pos = 0; i < 6; i++, pos += 3) {
 465         if (!qemu_isxdigit(str[pos]))
 466             return -EINVAL;
 467         if (!qemu_isxdigit(str[pos+1]))
 468             return -EINVAL;
 469         if (i == 5) {
 470             if (str[pos+2] != '\0')
 471                 return -EINVAL;
 472         } else {
 473             if (str[pos+2] != ':' && str[pos+2] != '-')
 474                 return -EINVAL;
 475         }
 476         mac->a[i] = strtol(str+pos, &p, 16);
 477     }
 478     return 0;
 479 }
 480
 481 static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len)
 482 {
 483     MACAddr *mac = qdev_get_prop_ptr(dev, prop);
 484
 485     return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x",
 486                     mac->a[0], mac->a[1], mac->a[2],
 487                     mac->a[3], mac->a[4], mac->a[5]);
 488 }
 489
 490 PropertyInfo qdev_prop_macaddr = {
 491     .name  = "macaddr",
 492     .type  = PROP_TYPE_MACADDR,
 493     .size  = sizeof(MACAddr),
 494     .parse = parse_mac,
 495     .print = print_mac,
 496 };
 497
 498 /* --- pci address --- */
 499
 500 /*
 501  * bus-local address, i.e. "$slot" or "$slot.$fn"
 502  */
 503 static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str)
 504 {
 505     uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
 506     unsigned int slot, fn, n;
 507
 508     if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
 509         fn = 0;
 510         if (sscanf(str, "%x%n", &slot, &n) != 1) {
 511             return -EINVAL;
 512         }
 513     }
 514     if (str[n] != '\0')
 515         return -EINVAL;
 516     if (fn > 7)
 517         return -EINVAL;
 518     *ptr = slot << 3 | fn;
 519     return 0;
 520 }
 521
 522 static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len)
 523 {
 524     uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
 525
 526     if (*ptr == -1) {
 527         return snprintf(dest, len, "<unset>");
 528     } else {
 529         return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
 530     }
 531 }
 532
 533 PropertyInfo qdev_prop_pci_devfn = {
 534     .name  = "pci-devfn",
 535     .type  = PROP_TYPE_UINT32,
 536     .size  = sizeof(uint32_t),
 537     .parse = parse_pci_devfn,
 538     .print = print_pci_devfn,
 539 };
 540
 541 /* --- public helpers --- */
 542
 543 static Property *qdev_prop_walk(Property *props, const char *name)
 544 {
 545     if (!props)
 546         return NULL;
 547     while (props->name) {
 548         if (strcmp(props->name, name) == 0)
 549             return props;
 550         props++;
 551     }
 552     return NULL;
 553 }
 554
 555 static Property *qdev_prop_find(DeviceState *dev, const char *name)
 556 {
 557     Property *prop;
 558
 559     /* device properties */
 560     prop = qdev_prop_walk(dev->info->props, name);
 561     if (prop)
 562         return prop;
 563
 564     /* bus properties */
 565     prop = qdev_prop_walk(dev->parent_bus->info->props, name);
 566     if (prop)
 567         return prop;
 568
 569     return NULL;
 570 }
 571
 572 int qdev_prop_exists(DeviceState *dev, const char *name)
 573 {
 574     return qdev_prop_find(dev, name) ? true : false;
 575 }
 576
 577 int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
 578 {
 579     Property *prop;
 580     int ret;
 581
 582     prop = qdev_prop_find(dev, name);
 583     /*
 584      * TODO Properties without a parse method are just for dirty
 585      * hacks.  qdev_prop_ptr is the only such PropertyInfo.  It's
 586      * marked for removal.  The test !prop->info->parse should be
 587      * removed along with it.
 588      */
 589     if (!prop || !prop->info->parse) {
 590         qerror_report(QERR_PROPERTY_NOT_FOUND, dev->info->name, name);
 591         return -1;
 592     }
 593     ret = prop->info->parse(dev, prop, value);
 594     if (ret < 0) {
 595         switch (ret) {
 596         case -EEXIST:
 597             qerror_report(QERR_PROPERTY_VALUE_IN_USE,
 598                           dev->info->name, name, value);
 599             break;
 600         default:
 601         case -EINVAL:
 602             qerror_report(QERR_PROPERTY_VALUE_BAD,
 603                           dev->info->name, name, value);
 604             break;
 605         case -ENOENT:
 606             qerror_report(QERR_PROPERTY_VALUE_NOT_FOUND,
 607                           dev->info->name, name, value);
 608             break;
 609         }
 610         return -1;
 611     }
 612     return 0;
 613 }
 614
 615 void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type)
 616 {
 617     Property *prop;
 618
 619     prop = qdev_prop_find(dev, name);
 620     if (!prop) {
 621         fprintf(stderr, "%s: property \"%s.%s\" not found\n",
 622                 __FUNCTION__, dev->info->name, name);
 623         abort();
 624     }
 625     if (prop->info->type != type) {
 626         fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
 627                 __FUNCTION__, dev->info->name, name);
 628         abort();
 629     }
 630     qdev_prop_cpy(dev, prop, src);
 631 }
 632
 633 void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
 634 {
 635     qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8);
 636 }
 637
 638 void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
 639 {
 640     qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);
 641 }
 642
 643 void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
 644 {
 645     qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
 646 }
 647
 648 void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
 649 {
 650     qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
 651 }
 652
 653 void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
 654 {
 655     qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
 656 }
 657
 658 void qdev_prop_set_string(DeviceState *dev, const char *name, char *value)
 659 {
 660     qdev_prop_set(dev, name, &value, PROP_TYPE_STRING);
 661 }
 662
 663 void qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value)
 664 {
 665     qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
 666 }
 667
 668 void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value)
 669 {
 670     qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
 671 }
 672
 673 void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value)
 674 {
 675     qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV);
 676 }
 677
 678 void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value)
 679 {
 680     qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN);
 681 }
 682
 683 void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value)
 684 {
 685     qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR);
 686 }
 687
 688 void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
 689 {
 690     qdev_prop_set(dev, name, &value, PROP_TYPE_PTR);
 691 }
 692
 693 void qdev_prop_set_defaults(DeviceState *dev, Property *props)
 694 {
 695     if (!props)
 696         return;
 697     while (props->name) {
 698         if (props->defval) {
 699             qdev_prop_cpy(dev, props, props->defval);
 700         }
 701         props++;
 702     }
 703 }
 704
 705 static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
 706
 707 static void qdev_prop_register_global(GlobalProperty *prop)
 708 {
 709     QTAILQ_INSERT_TAIL(&global_props, prop, next);
 710 }
 711
 712 void qdev_prop_register_global_list(GlobalProperty *props)
 713 {
 714     int i;
 715
 716     for (i = 0; props[i].driver != NULL; i++) {
 717         qdev_prop_register_global(props+i);
 718     }
 719 }
 720
 721 void qdev_prop_set_globals(DeviceState *dev)
 722 {
 723     GlobalProperty *prop;
 724
 725     QTAILQ_FOREACH(prop, &global_props, next) {
 726         if (strcmp(dev->info->name, prop->driver) != 0 &&
 727             strcmp(dev->info->bus_info->name, prop->driver) != 0) {
 728             continue;
 729         }
 730         if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {
 731             exit(1);
 732         }
 733     }
 734 }
 735
 736 static int qdev_add_one_global(QemuOpts *opts, void *opaque)
 737 {
 738     GlobalProperty *g;
 739
 740     g = qemu_mallocz(sizeof(*g));
 741     g->driver   = qemu_opt_get(opts, "driver");
 742     g->property = qemu_opt_get(opts, "property");
 743     g->value    = qemu_opt_get(opts, "value");
 744     qdev_prop_register_global(g);
 745     return 0;
 746 }
 747
 748 void qemu_add_globals(void)
 749 {
 750     qemu_opts_foreach(&qemu_global_opts, qdev_add_one_global, NULL, 0);
 751 }