1 /* 2 * qdev property parsing 3 * (parts specific for qemu-system-*) 4 * 5 * This file is based on code from hw/qdev-properties.c from 6 * commit 074a86fccd185616469dfcdc0e157f438aebba18, 7 * Copyright (c) Gerd Hoffmann <kraxel@redhat.com> and other contributors. 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2 or later. 10 * See the COPYING file in the top-level directory. 11 */ 12 13 #include "qemu/osdep.h" 14 #include "hw/qdev-properties.h" 15 #include "hw/qdev-properties-system.h" 16 #include "qapi/error.h" 17 #include "qapi/visitor.h" 18 #include "qapi/qapi-types-block.h" 19 #include "qapi/qapi-types-machine.h" 20 #include "qapi/qapi-types-migration.h" 21 #include "qapi/qapi-visit-virtio.h" 22 #include "qapi/qmp/qerror.h" 23 #include "qemu/ctype.h" 24 #include "qemu/cutils.h" 25 #include "qemu/units.h" 26 #include "qemu/uuid.h" 27 #include "qemu/error-report.h" 28 #include "qdev-prop-internal.h" 29 30 #include "qemu/audio.h" 31 #include "chardev/char-fe.h" 32 #include "system/block-backend.h" 33 #include "system/blockdev.h" 34 #include "net/net.h" 35 #include "hw/pci/pci.h" 36 #include "hw/pci/pcie.h" 37 #include "hw/i386/x86.h" 38 #include "util/block-helpers.h" 39 40 static bool check_prop_still_unset(Object *obj, const char *name, 41 const void *old_val, const char *new_val, 42 bool allow_override, Error **errp) 43 { 44 const GlobalProperty *prop = qdev_find_global_prop(obj, name); 45 46 if (!old_val || (!prop && allow_override)) { 47 return true; 48 } 49 50 if (prop) { 51 error_setg(errp, "-global %s.%s=... conflicts with %s=%s", 52 prop->driver, prop->property, name, new_val); 53 } else { 54 /* Error message is vague, but a better one would be hard */ 55 error_setg(errp, "%s=%s conflicts, and override is not implemented", 56 name, new_val); 57 } 58 return false; 59 } 60 61 bool qdev_prop_sanitize_s390x_loadparm(uint8_t *loadparm, const char *str, 62 Error **errp) 63 { 64 int i, len; 65 66 len = strlen(str); 67 if (len > 8) { 68 error_setg(errp, "'loadparm' can only contain up to 8 characters"); 69 return false; 70 } 71 72 for (i = 0; i < len; i++) { 73 uint8_t c = qemu_toupper(str[i]); /* mimic HMC */ 74 75 if (qemu_isalnum(c) || c == '.' || c == ' ') { 76 loadparm[i] = c; 77 } else { 78 error_setg(errp, 79 "invalid character in 'loadparm': '%c' (ASCII 0x%02x)", 80 c, c); 81 return false; 82 } 83 } 84 85 return true; 86 } 87 88 /* --- drive --- */ 89 90 static void get_drive(Object *obj, Visitor *v, const char *name, void *opaque, 91 Error **errp) 92 { 93 const Property *prop = opaque; 94 void **ptr = object_field_prop_ptr(obj, prop); 95 const char *value; 96 char *p; 97 98 if (*ptr) { 99 value = blk_name(*ptr); 100 if (!*value) { 101 BlockDriverState *bs = blk_bs(*ptr); 102 if (bs) { 103 value = bdrv_get_node_name(bs); 104 } 105 } 106 } else { 107 value = ""; 108 } 109 110 p = g_strdup(value); 111 visit_type_str(v, name, &p, errp); 112 g_free(p); 113 } 114 115 static void set_drive_helper(Object *obj, Visitor *v, const char *name, 116 void *opaque, bool iothread, Error **errp) 117 { 118 DeviceState *dev = DEVICE(obj); 119 const Property *prop = opaque; 120 void **ptr = object_field_prop_ptr(obj, prop); 121 char *str; 122 BlockBackend *blk; 123 bool blk_created = false; 124 int ret; 125 BlockDriverState *bs; 126 AioContext *ctx; 127 128 if (!visit_type_str(v, name, &str, errp)) { 129 return; 130 } 131 132 if (!check_prop_still_unset(obj, name, *ptr, str, true, errp)) { 133 return; 134 } 135 136 if (*ptr) { 137 /* BlockBackend already exists. So, we want to change attached node */ 138 blk = *ptr; 139 ctx = blk_get_aio_context(blk); 140 bs = bdrv_lookup_bs(NULL, str, errp); 141 if (!bs) { 142 return; 143 } 144 145 if (ctx != bdrv_get_aio_context(bs)) { 146 error_setg(errp, "Different aio context is not supported for new " 147 "node"); 148 return; 149 } 150 151 blk_replace_bs(blk, bs, errp); 152 return; 153 } 154 155 if (!*str) { 156 g_free(str); 157 *ptr = NULL; 158 return; 159 } 160 161 blk = blk_by_name(str); 162 if (!blk) { 163 bs = bdrv_lookup_bs(NULL, str, NULL); 164 if (bs) { 165 /* 166 * If the device supports iothreads, it will make sure to move the 167 * block node to the right AioContext if necessary (or fail if this 168 * isn't possible because of other users). Devices that are not 169 * aware of iothreads require their BlockBackends to be in the main 170 * AioContext. 171 */ 172 ctx = bdrv_get_aio_context(bs); 173 blk = blk_new(iothread ? ctx : qemu_get_aio_context(), 174 0, BLK_PERM_ALL); 175 blk_created = true; 176 177 ret = blk_insert_bs(blk, bs, errp); 178 if (ret < 0) { 179 goto fail; 180 } 181 } 182 } 183 if (!blk) { 184 error_setg(errp, "Property '%s.%s' can't find value '%s'", 185 object_get_typename(OBJECT(dev)), name, str); 186 goto fail; 187 } 188 if (blk_attach_dev(blk, dev) < 0) { 189 DriveInfo *dinfo = blk_legacy_dinfo(blk); 190 191 if (dinfo && dinfo->type != IF_NONE) { 192 error_setg(errp, "Drive '%s' is already in use because " 193 "it has been automatically connected to another " 194 "device (did you need 'if=none' in the drive options?)", 195 str); 196 } else { 197 error_setg(errp, "Drive '%s' is already in use by another device", 198 str); 199 } 200 goto fail; 201 } 202 203 *ptr = blk; 204 205 fail: 206 if (blk_created) { 207 /* If we need to keep a reference, blk_attach_dev() took it */ 208 blk_unref(blk); 209 } 210 211 g_free(str); 212 } 213 214 static void set_drive(Object *obj, Visitor *v, const char *name, void *opaque, 215 Error **errp) 216 { 217 set_drive_helper(obj, v, name, opaque, false, errp); 218 } 219 220 static void set_drive_iothread(Object *obj, Visitor *v, const char *name, 221 void *opaque, Error **errp) 222 { 223 set_drive_helper(obj, v, name, opaque, true, errp); 224 } 225 226 static void release_drive(Object *obj, const char *name, void *opaque) 227 { 228 DeviceState *dev = DEVICE(obj); 229 const Property *prop = opaque; 230 BlockBackend **ptr = object_field_prop_ptr(obj, prop); 231 232 if (*ptr) { 233 blockdev_auto_del(*ptr); 234 blk_detach_dev(*ptr, dev); 235 } 236 } 237 238 const PropertyInfo qdev_prop_drive = { 239 .type = "str", 240 .description = "Node name or ID of a block device to use as a backend", 241 .realized_set_allowed = true, 242 .get = get_drive, 243 .set = set_drive, 244 .release = release_drive, 245 }; 246 247 const PropertyInfo qdev_prop_drive_iothread = { 248 .type = "str", 249 .description = "Node name or ID of a block device to use as a backend", 250 .realized_set_allowed = true, 251 .get = get_drive, 252 .set = set_drive_iothread, 253 .release = release_drive, 254 }; 255 256 /* --- character device --- */ 257 258 static void get_chr(Object *obj, Visitor *v, const char *name, void *opaque, 259 Error **errp) 260 { 261 CharFrontend *fe = object_field_prop_ptr(obj, opaque); 262 char *p; 263 264 p = g_strdup(fe->chr && fe->chr->label ? fe->chr->label : ""); 265 visit_type_str(v, name, &p, errp); 266 g_free(p); 267 } 268 269 static void set_chr(Object *obj, Visitor *v, const char *name, void *opaque, 270 Error **errp) 271 { 272 ERRP_GUARD(); 273 const Property *prop = opaque; 274 CharFrontend *fe = object_field_prop_ptr(obj, prop); 275 Chardev *s; 276 char *str; 277 278 if (!visit_type_str(v, name, &str, errp)) { 279 return; 280 } 281 282 /* 283 * TODO Should this really be an error? If no, the old value 284 * needs to be released before we store the new one. 285 */ 286 if (!check_prop_still_unset(obj, name, fe->chr, str, false, errp)) { 287 return; 288 } 289 290 if (!*str) { 291 g_free(str); 292 fe->chr = NULL; 293 return; 294 } 295 296 s = qemu_chr_find(str); 297 if (s == NULL) { 298 error_setg(errp, "Property '%s.%s' can't find value '%s'", 299 object_get_typename(obj), name, str); 300 } else if (!qemu_chr_fe_init(fe, s, errp)) { 301 error_prepend(errp, "Property '%s.%s' can't take value '%s': ", 302 object_get_typename(obj), name, str); 303 } 304 g_free(str); 305 } 306 307 static void release_chr(Object *obj, const char *name, void *opaque) 308 { 309 const Property *prop = opaque; 310 CharFrontend *fe = object_field_prop_ptr(obj, prop); 311 312 qemu_chr_fe_deinit(fe, false); 313 } 314 315 const PropertyInfo qdev_prop_chr = { 316 .type = "str", 317 .description = "ID of a chardev to use as a backend", 318 .get = get_chr, 319 .set = set_chr, 320 .release = release_chr, 321 }; 322 323 /* --- mac address --- */ 324 325 /* 326 * accepted syntax versions: 327 * 01:02:03:04:05:06 328 * 01-02-03-04-05-06 329 */ 330 static void get_mac(Object *obj, Visitor *v, const char *name, void *opaque, 331 Error **errp) 332 { 333 const Property *prop = opaque; 334 MACAddr *mac = object_field_prop_ptr(obj, prop); 335 char buffer[2 * 6 + 5 + 1]; 336 char *p = buffer; 337 338 snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x", 339 mac->a[0], mac->a[1], mac->a[2], 340 mac->a[3], mac->a[4], mac->a[5]); 341 342 visit_type_str(v, name, &p, errp); 343 } 344 345 static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque, 346 Error **errp) 347 { 348 const Property *prop = opaque; 349 MACAddr *mac = object_field_prop_ptr(obj, prop); 350 int i, pos; 351 char *str; 352 const char *p; 353 354 if (!visit_type_str(v, name, &str, errp)) { 355 return; 356 } 357 358 for (i = 0, pos = 0; i < 6; i++, pos += 3) { 359 long val; 360 361 if (!qemu_isxdigit(str[pos])) { 362 goto inval; 363 } 364 if (!qemu_isxdigit(str[pos + 1])) { 365 goto inval; 366 } 367 if (i == 5) { 368 if (str[pos + 2] != '\0') { 369 goto inval; 370 } 371 } else { 372 if (str[pos + 2] != ':' && str[pos + 2] != '-') { 373 goto inval; 374 } 375 } 376 if (qemu_strtol(str + pos, &p, 16, &val) < 0 || val > 0xff) { 377 goto inval; 378 } 379 mac->a[i] = val; 380 } 381 g_free(str); 382 return; 383 384 inval: 385 error_set_from_qdev_prop_error(errp, EINVAL, obj, name, str); 386 g_free(str); 387 } 388 389 const PropertyInfo qdev_prop_macaddr = { 390 .type = "str", 391 .description = "Ethernet 6-byte MAC Address, example: 52:54:00:12:34:56", 392 .get = get_mac, 393 .set = set_mac, 394 }; 395 396 void qdev_prop_set_macaddr(DeviceState *dev, const char *name, 397 const uint8_t *value) 398 { 399 char str[2 * 6 + 5 + 1]; 400 snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x", 401 value[0], value[1], value[2], value[3], value[4], value[5]); 402 403 object_property_set_str(OBJECT(dev), name, str, &error_abort); 404 } 405 406 /* --- netdev device --- */ 407 static void get_netdev(Object *obj, Visitor *v, const char *name, 408 void *opaque, Error **errp) 409 { 410 const Property *prop = opaque; 411 NICPeers *peers_ptr = object_field_prop_ptr(obj, prop); 412 char *p = g_strdup(peers_ptr->ncs[0] ? peers_ptr->ncs[0]->name : ""); 413 414 visit_type_str(v, name, &p, errp); 415 g_free(p); 416 } 417 418 static void set_netdev(Object *obj, Visitor *v, const char *name, 419 void *opaque, Error **errp) 420 { 421 const Property *prop = opaque; 422 NICPeers *peers_ptr = object_field_prop_ptr(obj, prop); 423 NetClientState **ncs = peers_ptr->ncs; 424 NetClientState *peers[MAX_QUEUE_NUM]; 425 int queues, err = 0, i = 0; 426 char *str; 427 428 if (!visit_type_str(v, name, &str, errp)) { 429 return; 430 } 431 432 queues = qemu_find_net_clients_except(str, peers, 433 NET_CLIENT_DRIVER_NIC, 434 MAX_QUEUE_NUM); 435 if (queues == 0) { 436 err = -ENOENT; 437 goto out; 438 } 439 440 if (queues > MAX_QUEUE_NUM) { 441 error_setg(errp, "queues of backend '%s'(%d) exceeds QEMU limitation(%d)", 442 str, queues, MAX_QUEUE_NUM); 443 goto out; 444 } 445 446 for (i = 0; i < queues; i++) { 447 if (peers[i]->peer) { 448 err = -EEXIST; 449 goto out; 450 } 451 452 /* 453 * TODO Should this really be an error? If no, the old value 454 * needs to be released before we store the new one. 455 */ 456 if (!check_prop_still_unset(obj, name, ncs[i], str, false, errp)) { 457 goto out; 458 } 459 460 if (peers[i]->info->check_peer_type) { 461 if (!peers[i]->info->check_peer_type(peers[i], obj->class, errp)) { 462 goto out; 463 } 464 } 465 466 ncs[i] = peers[i]; 467 ncs[i]->queue_index = i; 468 } 469 470 peers_ptr->queues = queues; 471 472 out: 473 error_set_from_qdev_prop_error(errp, err, obj, prop->name, str); 474 g_free(str); 475 } 476 477 const PropertyInfo qdev_prop_netdev = { 478 .type = "str", 479 .description = "ID of a netdev to use as a backend", 480 .get = get_netdev, 481 .set = set_netdev, 482 }; 483 484 485 /* --- audiodev --- */ 486 static void get_audiodev(Object *obj, Visitor *v, const char* name, 487 void *opaque, Error **errp) 488 { 489 const Property *prop = opaque; 490 AudioBackend **be = object_field_prop_ptr(obj, prop); 491 g_autofree char *id = g_strdup(audio_be_get_id(*be)); 492 493 visit_type_str(v, name, (char **)&id, errp); 494 } 495 496 static void set_audiodev(Object *obj, Visitor *v, const char* name, 497 void *opaque, Error **errp) 498 { 499 const Property *prop = opaque; 500 AudioBackend **be = object_field_prop_ptr(obj, prop); 501 AudioBackend *state; 502 g_autofree char *str = NULL; 503 504 if (!visit_type_str(v, name, &str, errp)) { 505 return; 506 } 507 508 state = audio_be_by_name(str, errp); 509 if (state) { 510 *be = state; 511 } 512 } 513 514 const PropertyInfo qdev_prop_audiodev = { 515 .type = "str", 516 .description = "ID of an audiodev to use as a backend", 517 /* release done on shutdown */ 518 .get = get_audiodev, 519 .set = set_audiodev, 520 }; 521 522 bool qdev_prop_set_drive_err(DeviceState *dev, const char *name, 523 BlockBackend *value, Error **errp) 524 { 525 const char *ref = ""; 526 527 if (value) { 528 ref = blk_name(value); 529 if (!*ref) { 530 const BlockDriverState *bs = blk_bs(value); 531 if (bs) { 532 ref = bdrv_get_node_name(bs); 533 } 534 } 535 } 536 537 return object_property_set_str(OBJECT(dev), name, ref, errp); 538 } 539 540 void qdev_prop_set_drive(DeviceState *dev, const char *name, 541 BlockBackend *value) 542 { 543 qdev_prop_set_drive_err(dev, name, value, &error_abort); 544 } 545 546 void qdev_prop_set_chr(DeviceState *dev, const char *name, 547 Chardev *value) 548 { 549 assert(!value || value->label); 550 object_property_set_str(OBJECT(dev), name, value ? value->label : "", 551 &error_abort); 552 } 553 554 void qdev_prop_set_netdev(DeviceState *dev, const char *name, 555 NetClientState *value) 556 { 557 assert(!value || value->name); 558 object_property_set_str(OBJECT(dev), name, value ? value->name : "", 559 &error_abort); 560 } 561 562 void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd) 563 { 564 qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a); 565 if (nd->netdev) { 566 qdev_prop_set_netdev(dev, "netdev", nd->netdev); 567 } 568 if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED && 569 object_property_find(OBJECT(dev), "vectors")) { 570 qdev_prop_set_uint32(dev, "vectors", nd->nvectors); 571 } 572 nd->instantiated = 1; 573 } 574 575 /* --- lost tick policy --- */ 576 577 static void qdev_propinfo_set_losttickpolicy(Object *obj, Visitor *v, 578 const char *name, void *opaque, 579 Error **errp) 580 { 581 const Property *prop = opaque; 582 int *ptr = object_field_prop_ptr(obj, prop); 583 int value; 584 585 if (!visit_type_enum(v, name, &value, prop->info->enum_table, errp)) { 586 return; 587 } 588 589 if (value == LOST_TICK_POLICY_SLEW) { 590 MachineState *ms = MACHINE(qdev_get_machine()); 591 592 if (!object_dynamic_cast(OBJECT(ms), TYPE_X86_MACHINE)) { 593 error_setg(errp, 594 "the 'slew' policy is only available for x86 machines"); 595 return; 596 } 597 } 598 599 *ptr = value; 600 } 601 602 QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int)); 603 604 const PropertyInfo qdev_prop_losttickpolicy = { 605 .type = "LostTickPolicy", 606 .description = "Policy for handling lost ticks (discard/delay/slew)", 607 .enum_table = &LostTickPolicy_lookup, 608 .get = qdev_propinfo_get_enum, 609 .set = qdev_propinfo_set_losttickpolicy, 610 .set_default_value = qdev_propinfo_set_default_value_enum, 611 }; 612 613 /* --- blocksize --- */ 614 615 static void set_blocksize(Object *obj, Visitor *v, const char *name, 616 void *opaque, Error **errp) 617 { 618 const Property *prop = opaque; 619 uint32_t *ptr = object_field_prop_ptr(obj, prop); 620 uint64_t value; 621 622 if (!visit_type_size(v, name, &value, errp)) { 623 return; 624 } 625 if (!check_block_size(name, value, errp)) { 626 return; 627 } 628 *ptr = value; 629 } 630 631 const PropertyInfo qdev_prop_blocksize = { 632 .type = "size", 633 .description = "A power of two between " MIN_BLOCK_SIZE_STR 634 " and " MAX_BLOCK_SIZE_STR, 635 .get = qdev_propinfo_get_size32, 636 .set = set_blocksize, 637 .set_default_value = qdev_propinfo_set_default_value_uint, 638 }; 639 640 /* --- Block device error handling policy --- */ 641 642 QEMU_BUILD_BUG_ON(sizeof(BlockdevOnError) != sizeof(int)); 643 644 const PropertyInfo qdev_prop_blockdev_on_error = { 645 .type = "BlockdevOnError", 646 .description = "Error handling policy (report/ignore/enospc/stop/auto)", 647 .enum_table = &BlockdevOnError_lookup, 648 .get = qdev_propinfo_get_enum, 649 .set = qdev_propinfo_set_enum, 650 .set_default_value = qdev_propinfo_set_default_value_enum, 651 }; 652 653 /* --- BIOS CHS translation */ 654 655 QEMU_BUILD_BUG_ON(sizeof(BiosAtaTranslation) != sizeof(int)); 656 657 const PropertyInfo qdev_prop_bios_chs_trans = { 658 .type = "BiosAtaTranslation", 659 .description = "Logical CHS translation algorithm " 660 " (auto/none/lba/large/rechs)", 661 .enum_table = &BiosAtaTranslation_lookup, 662 .get = qdev_propinfo_get_enum, 663 .set = qdev_propinfo_set_enum, 664 .set_default_value = qdev_propinfo_set_default_value_enum, 665 }; 666 667 /* --- FDC default drive types */ 668 669 const PropertyInfo qdev_prop_fdc_drive_type = { 670 .type = "FloppyDriveType", 671 .description = "Floppy drive type (144/288/120/none/auto)", 672 .enum_table = &FloppyDriveType_lookup, 673 .get = qdev_propinfo_get_enum, 674 .set = qdev_propinfo_set_enum, 675 .set_default_value = qdev_propinfo_set_default_value_enum, 676 }; 677 678 /* --- MultiFDCompression --- */ 679 680 const PropertyInfo qdev_prop_multifd_compression = { 681 .type = "MultiFDCompression", 682 .description = "multifd_compression values" 683 " (none/zlib/zstd/qpl/uadk/qatzip)", 684 .enum_table = &MultiFDCompression_lookup, 685 .get = qdev_propinfo_get_enum, 686 .set = qdev_propinfo_set_enum, 687 .set_default_value = qdev_propinfo_set_default_value_enum, 688 }; 689 690 /* --- MigMode --- */ 691 692 QEMU_BUILD_BUG_ON(sizeof(MigMode) != sizeof(int)); 693 694 const PropertyInfo qdev_prop_mig_mode = { 695 .type = "MigMode", 696 .description = "Migration mode (normal/cpr-reboot)", 697 .enum_table = &MigMode_lookup, 698 .get = qdev_propinfo_get_enum, 699 .set = qdev_propinfo_set_enum, 700 .set_default_value = qdev_propinfo_set_default_value_enum, 701 }; 702 703 /* --- GranuleMode --- */ 704 705 QEMU_BUILD_BUG_ON(sizeof(GranuleMode) != sizeof(int)); 706 707 const PropertyInfo qdev_prop_granule_mode = { 708 .type = "GranuleMode", 709 .description = "Granule page size (4k/8k/16k/64k/host)", 710 .enum_table = &GranuleMode_lookup, 711 .get = qdev_propinfo_get_enum, 712 .set = qdev_propinfo_set_enum, 713 .set_default_value = qdev_propinfo_set_default_value_enum, 714 }; 715 716 const PropertyInfo qdev_prop_zero_page_detection = { 717 .type = "ZeroPageDetection", 718 .description = "Zero page detection (none/legacy/multifd)", 719 .enum_table = &ZeroPageDetection_lookup, 720 .get = qdev_propinfo_get_enum, 721 .set = qdev_propinfo_set_enum, 722 .set_default_value = qdev_propinfo_set_default_value_enum, 723 }; 724 725 /* --- Reserved Region --- */ 726 727 /* 728 * Accepted syntax: 729 * <low address>:<high address>:<type> 730 * where low/high addresses are uint64_t in hexadecimal 731 * and type is a non-negative decimal integer 732 */ 733 static void get_reserved_region(Object *obj, Visitor *v, const char *name, 734 void *opaque, Error **errp) 735 { 736 const Property *prop = opaque; 737 ReservedRegion *rr = object_field_prop_ptr(obj, prop); 738 char buffer[64]; 739 char *p = buffer; 740 int rc; 741 742 rc = snprintf(buffer, sizeof(buffer), "0x%"PRIx64":0x%"PRIx64":%u", 743 range_lob(&rr->range), range_upb(&rr->range), rr->type); 744 assert(rc < sizeof(buffer)); 745 746 visit_type_str(v, name, &p, errp); 747 } 748 749 static void set_reserved_region(Object *obj, Visitor *v, const char *name, 750 void *opaque, Error **errp) 751 { 752 const Property *prop = opaque; 753 ReservedRegion *rr = object_field_prop_ptr(obj, prop); 754 const char *endptr; 755 uint64_t lob, upb; 756 char *str; 757 int ret; 758 759 if (!visit_type_str(v, name, &str, errp)) { 760 return; 761 } 762 763 ret = qemu_strtou64(str, &endptr, 16, &lob); 764 if (ret) { 765 error_setg(errp, "start address of '%s'" 766 " must be a hexadecimal integer", name); 767 goto out; 768 } 769 if (*endptr != ':') { 770 goto separator_error; 771 } 772 773 ret = qemu_strtou64(endptr + 1, &endptr, 16, &upb); 774 if (ret) { 775 error_setg(errp, "end address of '%s'" 776 " must be a hexadecimal integer", name); 777 goto out; 778 } 779 if (*endptr != ':') { 780 goto separator_error; 781 } 782 783 range_set_bounds(&rr->range, lob, upb); 784 785 ret = qemu_strtoui(endptr + 1, &endptr, 10, &rr->type); 786 if (ret) { 787 error_setg(errp, "type of '%s'" 788 " must be a non-negative decimal integer", name); 789 } 790 goto out; 791 792 separator_error: 793 error_setg(errp, "reserved region fields must be separated with ':'"); 794 out: 795 g_free(str); 796 } 797 798 const PropertyInfo qdev_prop_reserved_region = { 799 .type = "str", 800 .description = "Reserved Region, example: 0xFEE00000:0xFEEFFFFF:0", 801 .get = get_reserved_region, 802 .set = set_reserved_region, 803 }; 804 805 /* --- pci address --- */ 806 807 /* 808 * bus-local address, i.e. "$slot" or "$slot.$fn" 809 */ 810 static void set_pci_devfn(Object *obj, Visitor *v, const char *name, 811 void *opaque, Error **errp) 812 { 813 const Property *prop = opaque; 814 g_autofree GenericAlternate *alt; 815 int32_t value, *ptr = object_field_prop_ptr(obj, prop); 816 unsigned int slot, fn, n; 817 g_autofree char *str = NULL; 818 819 if (!visit_start_alternate(v, name, &alt, sizeof(*alt), errp)) { 820 return; 821 } 822 823 switch (alt->type) { 824 case QTYPE_QSTRING: 825 if (!visit_type_str(v, name, &str, errp)) { 826 goto out; 827 } 828 829 if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) { 830 fn = 0; 831 if (sscanf(str, "%x%n", &slot, &n) != 1) { 832 goto invalid; 833 } 834 } 835 if (str[n] != '\0' || fn > 7 || slot > 31) { 836 goto invalid; 837 } 838 *ptr = slot << 3 | fn; 839 break; 840 841 case QTYPE_QNUM: 842 if (!visit_type_int32(v, name, &value, errp)) { 843 goto out; 844 } 845 if (value < -1 || value > 255) { 846 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, 847 name ? name : "null", "a value between -1 and 255"); 848 goto out; 849 } 850 *ptr = value; 851 break; 852 853 default: 854 error_setg(errp, "Invalid parameter type for '%s', expected int or str", 855 name ? name : "null"); 856 goto out; 857 } 858 859 goto out; 860 861 invalid: 862 error_set_from_qdev_prop_error(errp, EINVAL, obj, name, str); 863 out: 864 visit_end_alternate(v, (void **) &alt); 865 } 866 867 static char *print_pci_devfn(Object *obj, const Property *prop) 868 { 869 int32_t *ptr = object_field_prop_ptr(obj, prop); 870 871 if (*ptr == -1) { 872 return g_strdup("<unset>"); 873 } else { 874 return g_strdup_printf("%02x.%x", *ptr >> 3, *ptr & 7); 875 } 876 } 877 878 const PropertyInfo qdev_prop_pci_devfn = { 879 .type = "str", 880 .description = "Slot and optional function number, example: 06.0 or 06", 881 .print = print_pci_devfn, 882 .get = qdev_propinfo_get_int32, 883 .set = set_pci_devfn, 884 .set_default_value = qdev_propinfo_set_default_value_int, 885 }; 886 887 /* --- pci host address --- */ 888 889 static void get_pci_host_devaddr(Object *obj, Visitor *v, const char *name, 890 void *opaque, Error **errp) 891 { 892 const Property *prop = opaque; 893 PCIHostDeviceAddress *addr = object_field_prop_ptr(obj, prop); 894 char buffer[] = "ffff:ff:ff.f"; 895 char *p = buffer; 896 int rc = 0; 897 898 /* 899 * Catch "invalid" device reference from vfio-pci and allow the 900 * default buffer representing the non-existent device to be used. 901 */ 902 if (~addr->domain || ~addr->bus || ~addr->slot || ~addr->function) { 903 rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%0d", 904 addr->domain, addr->bus, addr->slot, addr->function); 905 assert(rc == sizeof(buffer) - 1); 906 } 907 908 visit_type_str(v, name, &p, errp); 909 } 910 911 /* 912 * Parse [<domain>:]<bus>:<slot>.<func> 913 * if <domain> is not supplied, it's assumed to be 0. 914 */ 915 static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name, 916 void *opaque, Error **errp) 917 { 918 const Property *prop = opaque; 919 PCIHostDeviceAddress *addr = object_field_prop_ptr(obj, prop); 920 char *str, *p; 921 char *e; 922 unsigned long val; 923 unsigned long dom = 0, bus = 0; 924 unsigned int slot = 0, func = 0; 925 926 if (!visit_type_str(v, name, &str, errp)) { 927 return; 928 } 929 930 p = str; 931 val = strtoul(p, &e, 16); 932 if (e == p || *e != ':') { 933 goto inval; 934 } 935 bus = val; 936 937 p = e + 1; 938 val = strtoul(p, &e, 16); 939 if (e == p) { 940 goto inval; 941 } 942 if (*e == ':') { 943 dom = bus; 944 bus = val; 945 p = e + 1; 946 val = strtoul(p, &e, 16); 947 if (e == p) { 948 goto inval; 949 } 950 } 951 slot = val; 952 953 if (*e != '.') { 954 goto inval; 955 } 956 p = e + 1; 957 val = strtoul(p, &e, 10); 958 if (e == p) { 959 goto inval; 960 } 961 func = val; 962 963 if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) { 964 goto inval; 965 } 966 967 if (*e) { 968 goto inval; 969 } 970 971 addr->domain = dom; 972 addr->bus = bus; 973 addr->slot = slot; 974 addr->function = func; 975 976 g_free(str); 977 return; 978 979 inval: 980 error_set_from_qdev_prop_error(errp, EINVAL, obj, name, str); 981 g_free(str); 982 } 983 984 const PropertyInfo qdev_prop_pci_host_devaddr = { 985 .type = "str", 986 .description = "Address (bus:device.function) of " 987 "the host device, example: 04:10.0", 988 .get = get_pci_host_devaddr, 989 .set = set_pci_host_devaddr, 990 }; 991 992 /* --- OffAutoPCIBAR off/auto/bar0/bar1/bar2/bar3/bar4/bar5 --- */ 993 994 const PropertyInfo qdev_prop_off_auto_pcibar = { 995 .type = "OffAutoPCIBAR", 996 .description = "off/auto/bar0/bar1/bar2/bar3/bar4/bar5", 997 .enum_table = &OffAutoPCIBAR_lookup, 998 .get = qdev_propinfo_get_enum, 999 .set = qdev_propinfo_set_enum, 1000 .set_default_value = qdev_propinfo_set_default_value_enum, 1001 }; 1002 1003 /* --- PCIELinkSpeed 2_5/5/8/16/32/64 -- */ 1004 1005 static void get_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name, 1006 void *opaque, Error **errp) 1007 { 1008 const Property *prop = opaque; 1009 PCIExpLinkSpeed *p = object_field_prop_ptr(obj, prop); 1010 int speed; 1011 1012 switch (*p) { 1013 case QEMU_PCI_EXP_LNK_2_5GT: 1014 speed = PCIE_LINK_SPEED_2_5; 1015 break; 1016 case QEMU_PCI_EXP_LNK_5GT: 1017 speed = PCIE_LINK_SPEED_5; 1018 break; 1019 case QEMU_PCI_EXP_LNK_8GT: 1020 speed = PCIE_LINK_SPEED_8; 1021 break; 1022 case QEMU_PCI_EXP_LNK_16GT: 1023 speed = PCIE_LINK_SPEED_16; 1024 break; 1025 case QEMU_PCI_EXP_LNK_32GT: 1026 speed = PCIE_LINK_SPEED_32; 1027 break; 1028 case QEMU_PCI_EXP_LNK_64GT: 1029 speed = PCIE_LINK_SPEED_64; 1030 break; 1031 default: 1032 /* Unreachable */ 1033 abort(); 1034 } 1035 1036 visit_type_enum(v, name, &speed, prop->info->enum_table, errp); 1037 } 1038 1039 static void set_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name, 1040 void *opaque, Error **errp) 1041 { 1042 const Property *prop = opaque; 1043 PCIExpLinkSpeed *p = object_field_prop_ptr(obj, prop); 1044 int speed; 1045 1046 if (!visit_type_enum(v, name, &speed, prop->info->enum_table, 1047 errp)) { 1048 return; 1049 } 1050 1051 switch (speed) { 1052 case PCIE_LINK_SPEED_2_5: 1053 *p = QEMU_PCI_EXP_LNK_2_5GT; 1054 break; 1055 case PCIE_LINK_SPEED_5: 1056 *p = QEMU_PCI_EXP_LNK_5GT; 1057 break; 1058 case PCIE_LINK_SPEED_8: 1059 *p = QEMU_PCI_EXP_LNK_8GT; 1060 break; 1061 case PCIE_LINK_SPEED_16: 1062 *p = QEMU_PCI_EXP_LNK_16GT; 1063 break; 1064 case PCIE_LINK_SPEED_32: 1065 *p = QEMU_PCI_EXP_LNK_32GT; 1066 break; 1067 case PCIE_LINK_SPEED_64: 1068 *p = QEMU_PCI_EXP_LNK_64GT; 1069 break; 1070 default: 1071 /* Unreachable */ 1072 abort(); 1073 } 1074 } 1075 1076 const PropertyInfo qdev_prop_pcie_link_speed = { 1077 .type = "PCIELinkSpeed", 1078 .description = "2_5/5/8/16/32/64", 1079 .enum_table = &PCIELinkSpeed_lookup, 1080 .get = get_prop_pcielinkspeed, 1081 .set = set_prop_pcielinkspeed, 1082 .set_default_value = qdev_propinfo_set_default_value_enum, 1083 }; 1084 1085 /* --- PCIELinkWidth 1/2/4/8/12/16/32 -- */ 1086 1087 static void get_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name, 1088 void *opaque, Error **errp) 1089 { 1090 const Property *prop = opaque; 1091 PCIExpLinkWidth *p = object_field_prop_ptr(obj, prop); 1092 int width; 1093 1094 switch (*p) { 1095 case QEMU_PCI_EXP_LNK_X1: 1096 width = PCIE_LINK_WIDTH_1; 1097 break; 1098 case QEMU_PCI_EXP_LNK_X2: 1099 width = PCIE_LINK_WIDTH_2; 1100 break; 1101 case QEMU_PCI_EXP_LNK_X4: 1102 width = PCIE_LINK_WIDTH_4; 1103 break; 1104 case QEMU_PCI_EXP_LNK_X8: 1105 width = PCIE_LINK_WIDTH_8; 1106 break; 1107 case QEMU_PCI_EXP_LNK_X12: 1108 width = PCIE_LINK_WIDTH_12; 1109 break; 1110 case QEMU_PCI_EXP_LNK_X16: 1111 width = PCIE_LINK_WIDTH_16; 1112 break; 1113 case QEMU_PCI_EXP_LNK_X32: 1114 width = PCIE_LINK_WIDTH_32; 1115 break; 1116 default: 1117 /* Unreachable */ 1118 abort(); 1119 } 1120 1121 visit_type_enum(v, name, &width, prop->info->enum_table, errp); 1122 } 1123 1124 static void set_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name, 1125 void *opaque, Error **errp) 1126 { 1127 const Property *prop = opaque; 1128 PCIExpLinkWidth *p = object_field_prop_ptr(obj, prop); 1129 int width; 1130 1131 if (!visit_type_enum(v, name, &width, prop->info->enum_table, 1132 errp)) { 1133 return; 1134 } 1135 1136 switch (width) { 1137 case PCIE_LINK_WIDTH_1: 1138 *p = QEMU_PCI_EXP_LNK_X1; 1139 break; 1140 case PCIE_LINK_WIDTH_2: 1141 *p = QEMU_PCI_EXP_LNK_X2; 1142 break; 1143 case PCIE_LINK_WIDTH_4: 1144 *p = QEMU_PCI_EXP_LNK_X4; 1145 break; 1146 case PCIE_LINK_WIDTH_8: 1147 *p = QEMU_PCI_EXP_LNK_X8; 1148 break; 1149 case PCIE_LINK_WIDTH_12: 1150 *p = QEMU_PCI_EXP_LNK_X12; 1151 break; 1152 case PCIE_LINK_WIDTH_16: 1153 *p = QEMU_PCI_EXP_LNK_X16; 1154 break; 1155 case PCIE_LINK_WIDTH_32: 1156 *p = QEMU_PCI_EXP_LNK_X32; 1157 break; 1158 default: 1159 /* Unreachable */ 1160 abort(); 1161 } 1162 } 1163 1164 const PropertyInfo qdev_prop_pcie_link_width = { 1165 .type = "PCIELinkWidth", 1166 .description = "1/2/4/8/12/16/32", 1167 .enum_table = &PCIELinkWidth_lookup, 1168 .get = get_prop_pcielinkwidth, 1169 .set = set_prop_pcielinkwidth, 1170 .set_default_value = qdev_propinfo_set_default_value_enum, 1171 }; 1172 1173 /* --- UUID --- */ 1174 1175 static void get_uuid(Object *obj, Visitor *v, const char *name, void *opaque, 1176 Error **errp) 1177 { 1178 const Property *prop = opaque; 1179 QemuUUID *uuid = object_field_prop_ptr(obj, prop); 1180 char buffer[UUID_STR_LEN]; 1181 char *p = buffer; 1182 1183 qemu_uuid_unparse(uuid, buffer); 1184 1185 visit_type_str(v, name, &p, errp); 1186 } 1187 1188 #define UUID_VALUE_AUTO "auto" 1189 1190 static void set_uuid(Object *obj, Visitor *v, const char *name, void *opaque, 1191 Error **errp) 1192 { 1193 const Property *prop = opaque; 1194 QemuUUID *uuid = object_field_prop_ptr(obj, prop); 1195 char *str; 1196 1197 if (!visit_type_str(v, name, &str, errp)) { 1198 return; 1199 } 1200 1201 if (!strcmp(str, UUID_VALUE_AUTO)) { 1202 qemu_uuid_generate(uuid); 1203 } else if (qemu_uuid_parse(str, uuid) < 0) { 1204 error_set_from_qdev_prop_error(errp, EINVAL, obj, name, str); 1205 } 1206 g_free(str); 1207 } 1208 1209 static void set_default_uuid_auto(ObjectProperty *op, const Property *prop) 1210 { 1211 object_property_set_default_str(op, UUID_VALUE_AUTO); 1212 } 1213 1214 const PropertyInfo qdev_prop_uuid = { 1215 .type = "str", 1216 .description = "UUID (aka GUID) or \"" UUID_VALUE_AUTO 1217 "\" for random value (default)", 1218 .get = get_uuid, 1219 .set = set_uuid, 1220 .set_default_value = set_default_uuid_auto, 1221 }; 1222 1223 /* --- s390 cpu entitlement policy --- */ 1224 1225 QEMU_BUILD_BUG_ON(sizeof(S390CpuEntitlement) != sizeof(int)); 1226 1227 const PropertyInfo qdev_prop_cpus390entitlement = { 1228 .type = "S390CpuEntitlement", 1229 .description = "auto/low/medium/high (default medium)", 1230 .enum_table = &S390CpuEntitlement_lookup, 1231 .get = qdev_propinfo_get_enum, 1232 .set = qdev_propinfo_set_enum, 1233 .set_default_value = qdev_propinfo_set_default_value_enum, 1234 }; 1235 1236 /* --- IOThreadVirtQueueMappingList --- */ 1237 1238 static void get_iothread_vq_mapping_list(Object *obj, Visitor *v, 1239 const char *name, void *opaque, Error **errp) 1240 { 1241 IOThreadVirtQueueMappingList **prop_ptr = 1242 object_field_prop_ptr(obj, opaque); 1243 1244 visit_type_IOThreadVirtQueueMappingList(v, name, prop_ptr, errp); 1245 } 1246 1247 static void set_iothread_vq_mapping_list(Object *obj, Visitor *v, 1248 const char *name, void *opaque, Error **errp) 1249 { 1250 IOThreadVirtQueueMappingList **prop_ptr = 1251 object_field_prop_ptr(obj, opaque); 1252 IOThreadVirtQueueMappingList *list; 1253 1254 if (!visit_type_IOThreadVirtQueueMappingList(v, name, &list, errp)) { 1255 return; 1256 } 1257 1258 qapi_free_IOThreadVirtQueueMappingList(*prop_ptr); 1259 *prop_ptr = list; 1260 } 1261 1262 static void release_iothread_vq_mapping_list(Object *obj, 1263 const char *name, void *opaque) 1264 { 1265 IOThreadVirtQueueMappingList **prop_ptr = 1266 object_field_prop_ptr(obj, opaque); 1267 1268 qapi_free_IOThreadVirtQueueMappingList(*prop_ptr); 1269 *prop_ptr = NULL; 1270 } 1271 1272 const PropertyInfo qdev_prop_iothread_vq_mapping_list = { 1273 .type = "IOThreadVirtQueueMappingList", 1274 .description = "IOThread virtqueue mapping list [{\"iothread\":\"<id>\", " 1275 "\"vqs\":[1,2,3,...]},...]", 1276 .get = get_iothread_vq_mapping_list, 1277 .set = set_iothread_vq_mapping_list, 1278 .release = release_iothread_vq_mapping_list, 1279 }; 1280 1281 /* --- Endian modes */ 1282 1283 const PropertyInfo qdev_prop_endian_mode = { 1284 .type = "EndianMode", 1285 .description = "Endian mode, big/little/unspecified", 1286 .enum_table = &EndianMode_lookup, 1287 .get = qdev_propinfo_get_enum, 1288 .set = qdev_propinfo_set_enum, 1289 .set_default_value = qdev_propinfo_set_default_value_enum, 1290 }; 1291 1292 const PropertyInfo qdev_prop_vmapple_virtio_blk_variant = { 1293 .type = "VMAppleVirtioBlkVariant", 1294 .description = "unspecified/root/aux", 1295 .enum_table = &VMAppleVirtioBlkVariant_lookup, 1296 .get = qdev_propinfo_get_enum, 1297 .set = qdev_propinfo_set_enum, 1298 .set_default_value = qdev_propinfo_set_default_value_enum, 1299 }; 1300 1301 /* --- VirtIOGPUOutputList --- */ 1302 1303 static void get_virtio_gpu_output_list(Object *obj, Visitor *v, 1304 const char *name, void *opaque, Error **errp) 1305 { 1306 VirtIOGPUOutputList **prop_ptr = 1307 object_field_prop_ptr(obj, opaque); 1308 1309 visit_type_VirtIOGPUOutputList(v, name, prop_ptr, errp); 1310 } 1311 1312 static void set_virtio_gpu_output_list(Object *obj, Visitor *v, 1313 const char *name, void *opaque, Error **errp) 1314 { 1315 VirtIOGPUOutputList **prop_ptr = 1316 object_field_prop_ptr(obj, opaque); 1317 VirtIOGPUOutputList *list; 1318 1319 if (!visit_type_VirtIOGPUOutputList(v, name, &list, errp)) { 1320 return; 1321 } 1322 1323 qapi_free_VirtIOGPUOutputList(*prop_ptr); 1324 *prop_ptr = list; 1325 } 1326 1327 static void release_virtio_gpu_output_list(Object *obj, 1328 const char *name, void *opaque) 1329 { 1330 VirtIOGPUOutputList **prop_ptr = 1331 object_field_prop_ptr(obj, opaque); 1332 1333 qapi_free_VirtIOGPUOutputList(*prop_ptr); 1334 *prop_ptr = NULL; 1335 } 1336 1337 const PropertyInfo qdev_prop_virtio_gpu_output_list = { 1338 .type = "VirtIOGPUOutputList", 1339 .description = "VirtIO GPU output list [{\"name\":\"<name>\"},...]", 1340 .get = get_virtio_gpu_output_list, 1341 .set = set_virtio_gpu_output_list, 1342 .release = release_virtio_gpu_output_list, 1343 }; 1344