| 1 | /* |
| 2 | * QEMU System Emulator |
| 3 | * |
| 4 | * Copyright (c) 2003-2008 Fabrice Bellard |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #include "qemu/osdep.h" |
| 26 | #include "qemu/help-texts.h" |
| 27 | #include "qemu/datadir.h" |
| 28 | #include "qemu/units.h" |
| 29 | #include "qemu/module.h" |
| 30 | #include "qemu/target-info.h" |
| 31 | #include "qemu/target-info-qom.h" |
| 32 | #include "exec/cpu-common.h" |
| 33 | #include "exec/page-vary.h" |
| 34 | #include "hw/core/qdev-properties.h" |
| 35 | #include "qapi/compat-policy.h" |
| 36 | #include "qapi/error.h" |
| 37 | #include "qobject/qdict.h" |
| 38 | #include "qobject/qstring.h" |
| 39 | #include "qobject/qjson.h" |
| 40 | #include "qemu-version.h" |
| 41 | #include "qemu/cutils.h" |
| 42 | #include "qemu/help_option.h" |
| 43 | #include "qemu/hw-version.h" |
| 44 | #include "qemu/uuid.h" |
| 45 | #include "system/reset.h" |
| 46 | #include "system/runstate.h" |
| 47 | #include "system/runstate-action.h" |
| 48 | #include "system/seccomp.h" |
| 49 | #include "system/tcg.h" |
| 50 | #include "system/xen.h" |
| 51 | |
| 52 | #include "qemu/error-report.h" |
| 53 | #include "qemu/sockets.h" |
| 54 | #include "qemu/accel.h" |
| 55 | #include "qemu/async-teardown.h" |
| 56 | #include "qemu/exit-with-parent.h" |
| 57 | #include "hw/usb/usb.h" |
| 58 | #include "hw/isa/isa.h" |
| 59 | #include "hw/scsi/scsi.h" |
| 60 | #include "hw/sd/sd.h" |
| 61 | #include "hw/display/vga.h" |
| 62 | #include "hw/firmware/smbios.h" |
| 63 | #include "hw/acpi/acpi.h" |
| 64 | #include "hw/xen/xen.h" |
| 65 | #include "hw/core/loader.h" |
| 66 | #include "monitor/qdev.h" |
| 67 | #include "net/net.h" |
| 68 | #include "net/slirp.h" |
| 69 | #include "monitor/monitor.h" |
| 70 | #include "ui/console.h" |
| 71 | #include "ui/input.h" |
| 72 | #include "system/system.h" |
| 73 | #include "system/numa.h" |
| 74 | #include "system/hostmem.h" |
| 75 | #include "exec/gdbstub.h" |
| 76 | #include "gdbstub/enums.h" |
| 77 | #include "qemu/timer.h" |
| 78 | #include "chardev/char.h" |
| 79 | #include "qemu/bitmap.h" |
| 80 | #include "qemu/log.h" |
| 81 | #include "system/blockdev.h" |
| 82 | #include "hw/block/block.h" |
| 83 | #include "hw/i386/x86.h" |
| 84 | #include "hw/i386/pc.h" |
| 85 | #include "migration/cpr.h" |
| 86 | #include "migration/misc.h" |
| 87 | #include "migration/snapshot.h" |
| 88 | #include "system/tpm.h" |
| 89 | #include "system/dma.h" |
| 90 | #include "hw/audio/model.h" |
| 91 | #include "qemu/audio.h" |
| 92 | #include "system/cpus.h" |
| 93 | #include "system/cpu-timers.h" |
| 94 | #include "exec/icount.h" |
| 95 | #include "migration/colo.h" |
| 96 | #include "migration/postcopy-ram.h" |
| 97 | #include "system/kvm.h" |
| 98 | #include "qapi/qobject-input-visitor.h" |
| 99 | #include "qemu/option.h" |
| 100 | #include "qemu/config-file.h" |
| 101 | #include "qemu/main-loop.h" |
| 102 | #ifdef CONFIG_VIRTFS |
| 103 | #include "fsdev/qemu-fsdev.h" |
| 104 | #endif |
| 105 | #include "system/qtest.h" |
| 106 | #ifdef CONFIG_TCG |
| 107 | #include "tcg/perf.h" |
| 108 | #endif |
| 109 | |
| 110 | #include "disas/disas.h" |
| 111 | |
| 112 | #include "trace.h" |
| 113 | #include "trace/control.h" |
| 114 | #include "qemu/plugin.h" |
| 115 | #include "qemu/queue.h" |
| 116 | #include "qemu/base-arch-defs.h" |
| 117 | #include "system/confidential-guest-support.h" |
| 118 | |
| 119 | #include "ui/qemu-spice.h" |
| 120 | #include "qapi/string-input-visitor.h" |
| 121 | #include "qapi/opts-visitor.h" |
| 122 | #include "qapi/clone-visitor.h" |
| 123 | #include "qom/compat-properties.h" |
| 124 | #include "qom/object_interfaces.h" |
| 125 | #include "semihosting/semihost.h" |
| 126 | #include "crypto/init.h" |
| 127 | #include "system/replay.h" |
| 128 | #include "qapi/qapi-events-run-state.h" |
| 129 | #include "qapi/qapi-types-audio.h" |
| 130 | #include "qapi/qapi-visit-audio.h" |
| 131 | #include "qapi/qapi-visit-block-core.h" |
| 132 | #include "qapi/qapi-visit-compat.h" |
| 133 | #include "qapi/qapi-visit-machine.h" |
| 134 | #include "qapi/qapi-visit-migration.h" |
| 135 | #include "qapi/qapi-visit-ui.h" |
| 136 | #include "qapi/qapi-commands-block-core.h" |
| 137 | #include "qapi/qapi-commands-migration.h" |
| 138 | #include "qapi/qapi-commands-misc.h" |
| 139 | #include "qapi/qapi-visit-qom.h" |
| 140 | #include "qapi/qapi-commands-ui.h" |
| 141 | #include "block/qdict.h" |
| 142 | #include "qapi/qmp/qerror.h" |
| 143 | #include "system/iothread.h" |
| 144 | #include "qemu/guest-random.h" |
| 145 | #include "qemu/keyval.h" |
| 146 | #include "memory-internal.h" |
| 147 | |
| 148 | #define MAX_VIRTIO_CONSOLES 1 |
| 149 | |
| 150 | typedef struct BlockdevOptionsQueueEntry { |
| 151 | BlockdevOptions *bdo; |
| 152 | Location loc; |
| 153 | QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry; |
| 154 | } BlockdevOptionsQueueEntry; |
| 155 | |
| 156 | typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue; |
| 157 | |
| 158 | typedef struct ObjectOption { |
| 159 | ObjectOptions *opts; |
| 160 | QTAILQ_ENTRY(ObjectOption) next; |
| 161 | } ObjectOption; |
| 162 | |
| 163 | typedef struct DeviceOption { |
| 164 | QDict *opts; |
| 165 | Location loc; |
| 166 | QTAILQ_ENTRY(DeviceOption) next; |
| 167 | } DeviceOption; |
| 168 | |
| 169 | static const char *cpu_option; |
| 170 | static const char *mem_path; |
| 171 | static const char *incoming; |
| 172 | static const char *incoming_str[MIGRATION_CHANNEL_TYPE__MAX]; |
| 173 | static MigrationChannel *incoming_channels[MIGRATION_CHANNEL_TYPE__MAX]; |
| 174 | static const char *loadvm; |
| 175 | static const char *accelerators; |
| 176 | static bool have_custom_ram_size; |
| 177 | static const char *ram_memdev_id; |
| 178 | static QDict *machine_opts_dict; |
| 179 | static QTAILQ_HEAD(, ObjectOption) object_opts = QTAILQ_HEAD_INITIALIZER(object_opts); |
| 180 | static QTAILQ_HEAD(, DeviceOption) device_opts = QTAILQ_HEAD_INITIALIZER(device_opts); |
| 181 | static int display_remote; |
| 182 | static int snapshot; |
| 183 | static bool preconfig_requested; |
| 184 | static QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list); |
| 185 | static BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); |
| 186 | static bool nographic = false; |
| 187 | static int mem_prealloc; /* force preallocation of physical target memory */ |
| 188 | static const char *vga_model = NULL; |
| 189 | static DisplayOptions dpy; |
| 190 | static int num_serial_hds; |
| 191 | static Chardev **serial_hds; |
| 192 | static const char *log_mask; |
| 193 | static const char *log_file; |
| 194 | static bool list_data_dirs; |
| 195 | static const char *qtest_chrdev; |
| 196 | static const char *qtest_log; |
| 197 | |
| 198 | static int has_defaults = 1; |
| 199 | static int default_audio = 1; |
| 200 | static int default_serial = 1; |
| 201 | static int default_parallel = 1; |
| 202 | static int default_monitor = IS_ENABLED(CONFIG_HMP); |
| 203 | static int default_floppy = 1; |
| 204 | static int default_cdrom = 1; |
| 205 | static bool auto_create_sdcard = true; |
| 206 | static int default_vga = 1; |
| 207 | static int default_net = 1; |
| 208 | |
| 209 | static const struct { |
| 210 | const char *driver; |
| 211 | int *flag; |
| 212 | } default_list[] = { |
| 213 | { .driver = "xen-console", .flag = &default_serial }, |
| 214 | { .driver = "isa-serial", .flag = &default_serial }, |
| 215 | { .driver = "isa-parallel", .flag = &default_parallel }, |
| 216 | { .driver = "isa-fdc", .flag = &default_floppy }, |
| 217 | { .driver = "floppy", .flag = &default_floppy }, |
| 218 | { .driver = "ide-cd", .flag = &default_cdrom }, |
| 219 | { .driver = "ide-hd", .flag = &default_cdrom }, |
| 220 | { .driver = "scsi-cd", .flag = &default_cdrom }, |
| 221 | { .driver = "scsi-hd", .flag = &default_cdrom }, |
| 222 | { .driver = "VGA", .flag = &default_vga }, |
| 223 | { .driver = "isa-vga", .flag = &default_vga }, |
| 224 | { .driver = "cirrus-vga", .flag = &default_vga }, |
| 225 | { .driver = "isa-cirrus-vga", .flag = &default_vga }, |
| 226 | { .driver = "vmware-svga", .flag = &default_vga }, |
| 227 | { .driver = "qxl-vga", .flag = &default_vga }, |
| 228 | { .driver = "virtio-vga", .flag = &default_vga }, |
| 229 | { .driver = "ati-vga", .flag = &default_vga }, |
| 230 | { .driver = "vhost-user-vga", .flag = &default_vga }, |
| 231 | { .driver = "virtio-vga-gl", .flag = &default_vga }, |
| 232 | { .driver = "virtio-vga-rutabaga", .flag = &default_vga }, |
| 233 | }; |
| 234 | |
| 235 | static QemuOptsList qemu_rtc_opts = { |
| 236 | .name = "rtc", |
| 237 | .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), |
| 238 | .merge_lists = true, |
| 239 | .desc = { |
| 240 | { |
| 241 | .name = "base", |
| 242 | .type = QEMU_OPT_STRING, |
| 243 | },{ |
| 244 | .name = "clock", |
| 245 | .type = QEMU_OPT_STRING, |
| 246 | },{ |
| 247 | .name = "driftfix", |
| 248 | .type = QEMU_OPT_STRING, |
| 249 | }, |
| 250 | { /* end of list */ } |
| 251 | }, |
| 252 | }; |
| 253 | |
| 254 | static QemuOptsList qemu_option_rom_opts = { |
| 255 | .name = "option-rom", |
| 256 | .implied_opt_name = "romfile", |
| 257 | .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), |
| 258 | .desc = { |
| 259 | { |
| 260 | .name = "bootindex", |
| 261 | .type = QEMU_OPT_NUMBER, |
| 262 | }, { |
| 263 | .name = "romfile", |
| 264 | .type = QEMU_OPT_STRING, |
| 265 | }, |
| 266 | { /* end of list */ } |
| 267 | }, |
| 268 | }; |
| 269 | |
| 270 | static QemuOptsList qemu_accel_opts = { |
| 271 | .name = "accel", |
| 272 | .implied_opt_name = "accel", |
| 273 | .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head), |
| 274 | .desc = { |
| 275 | /* |
| 276 | * no elements => accept any |
| 277 | * sanity checking will happen later |
| 278 | * when setting accelerator properties |
| 279 | */ |
| 280 | { } |
| 281 | }, |
| 282 | }; |
| 283 | |
| 284 | static QemuOptsList qemu_boot_opts = { |
| 285 | .name = "boot-opts", |
| 286 | .implied_opt_name = "order", |
| 287 | .merge_lists = true, |
| 288 | .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head), |
| 289 | .desc = { |
| 290 | { |
| 291 | .name = "order", |
| 292 | .type = QEMU_OPT_STRING, |
| 293 | }, { |
| 294 | .name = "once", |
| 295 | .type = QEMU_OPT_STRING, |
| 296 | }, { |
| 297 | .name = "menu", |
| 298 | .type = QEMU_OPT_BOOL, |
| 299 | }, { |
| 300 | .name = "splash", |
| 301 | .type = QEMU_OPT_STRING, |
| 302 | }, { |
| 303 | .name = "splash-time", |
| 304 | .type = QEMU_OPT_NUMBER, |
| 305 | }, { |
| 306 | .name = "reboot-timeout", |
| 307 | .type = QEMU_OPT_NUMBER, |
| 308 | }, { |
| 309 | .name = "strict", |
| 310 | .type = QEMU_OPT_BOOL, |
| 311 | }, |
| 312 | { /*End of list */ } |
| 313 | }, |
| 314 | }; |
| 315 | |
| 316 | static QemuOptsList qemu_add_fd_opts = { |
| 317 | .name = "add-fd", |
| 318 | .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head), |
| 319 | .desc = { |
| 320 | { |
| 321 | .name = "fd", |
| 322 | .type = QEMU_OPT_NUMBER, |
| 323 | .help = "file descriptor of which a duplicate is added to fd set", |
| 324 | },{ |
| 325 | .name = "set", |
| 326 | .type = QEMU_OPT_NUMBER, |
| 327 | .help = "ID of the fd set to add fd to", |
| 328 | },{ |
| 329 | .name = "opaque", |
| 330 | .type = QEMU_OPT_STRING, |
| 331 | .help = "free-form string used to describe fd", |
| 332 | }, |
| 333 | { /* end of list */ } |
| 334 | }, |
| 335 | }; |
| 336 | |
| 337 | static QemuOptsList qemu_object_opts = { |
| 338 | .name = "object", |
| 339 | .implied_opt_name = "qom-type", |
| 340 | .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), |
| 341 | .desc = { |
| 342 | { } |
| 343 | }, |
| 344 | }; |
| 345 | |
| 346 | static QemuOptsList qemu_tpmdev_opts = { |
| 347 | .name = "tpmdev", |
| 348 | .implied_opt_name = "type", |
| 349 | .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head), |
| 350 | .desc = { |
| 351 | /* options are defined in the TPM backends */ |
| 352 | { /* end of list */ } |
| 353 | }, |
| 354 | }; |
| 355 | |
| 356 | static QemuOptsList qemu_overcommit_opts = { |
| 357 | .name = "overcommit", |
| 358 | .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head), |
| 359 | .desc = { |
| 360 | { |
| 361 | .name = "mem-lock", |
| 362 | .type = QEMU_OPT_STRING, |
| 363 | }, |
| 364 | { |
| 365 | .name = "cpu-pm", |
| 366 | .type = QEMU_OPT_BOOL, |
| 367 | }, |
| 368 | { /* end of list */ } |
| 369 | }, |
| 370 | }; |
| 371 | |
| 372 | static QemuOptsList qemu_msg_opts = { |
| 373 | .name = "msg", |
| 374 | .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head), |
| 375 | .desc = { |
| 376 | { |
| 377 | .name = "timestamp", |
| 378 | .type = QEMU_OPT_BOOL, |
| 379 | }, |
| 380 | { |
| 381 | .name = "guest-name", |
| 382 | .type = QEMU_OPT_BOOL, |
| 383 | .help = "Prepends guest name for error messages but only if " |
| 384 | "-name guest is set otherwise option is ignored\n", |
| 385 | }, |
| 386 | { /* end of list */ } |
| 387 | }, |
| 388 | }; |
| 389 | |
| 390 | static QemuOptsList qemu_name_opts = { |
| 391 | .name = "name", |
| 392 | .implied_opt_name = "guest", |
| 393 | .merge_lists = true, |
| 394 | .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head), |
| 395 | .desc = { |
| 396 | { |
| 397 | .name = "guest", |
| 398 | .type = QEMU_OPT_STRING, |
| 399 | .help = "Sets the name of the guest.\n" |
| 400 | "This name will be displayed in the SDL window caption.\n" |
| 401 | "The name will also be used for the VNC server", |
| 402 | }, { |
| 403 | .name = "process", |
| 404 | .type = QEMU_OPT_STRING, |
| 405 | .help = "Sets the name of the QEMU process, as shown in top etc", |
| 406 | }, { |
| 407 | .name = "debug-threads", |
| 408 | .type = QEMU_OPT_BOOL, |
| 409 | .help = "Enable thread names" |
| 410 | "(deprecated, always enabled where supported)", |
| 411 | }, |
| 412 | { /* End of list */ } |
| 413 | }, |
| 414 | }; |
| 415 | |
| 416 | static QemuOptsList qemu_mem_opts = { |
| 417 | .name = "memory", |
| 418 | .implied_opt_name = "size", |
| 419 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), |
| 420 | .merge_lists = true, |
| 421 | .desc = { |
| 422 | { |
| 423 | .name = "size", |
| 424 | .type = QEMU_OPT_SIZE, |
| 425 | }, |
| 426 | { |
| 427 | .name = "slots", |
| 428 | .type = QEMU_OPT_NUMBER, |
| 429 | }, |
| 430 | { |
| 431 | .name = "maxmem", |
| 432 | .type = QEMU_OPT_SIZE, |
| 433 | }, |
| 434 | { /* end of list */ } |
| 435 | }, |
| 436 | }; |
| 437 | |
| 438 | static QemuOptsList qemu_icount_opts = { |
| 439 | .name = "icount", |
| 440 | .implied_opt_name = "shift", |
| 441 | .merge_lists = true, |
| 442 | .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head), |
| 443 | .desc = { |
| 444 | { |
| 445 | .name = "shift", |
| 446 | .type = QEMU_OPT_STRING, |
| 447 | }, { |
| 448 | .name = "align", |
| 449 | .type = QEMU_OPT_BOOL, |
| 450 | }, { |
| 451 | .name = "sleep", |
| 452 | .type = QEMU_OPT_BOOL, |
| 453 | }, { |
| 454 | .name = "rr", |
| 455 | .type = QEMU_OPT_STRING, |
| 456 | }, { |
| 457 | .name = "rrfile", |
| 458 | .type = QEMU_OPT_STRING, |
| 459 | }, { |
| 460 | .name = "rrsnapshot", |
| 461 | .type = QEMU_OPT_STRING, |
| 462 | }, |
| 463 | { /* end of list */ } |
| 464 | }, |
| 465 | }; |
| 466 | |
| 467 | static QemuOptsList qemu_fw_cfg_opts = { |
| 468 | .name = "fw_cfg", |
| 469 | .implied_opt_name = "name", |
| 470 | .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head), |
| 471 | .desc = { |
| 472 | { |
| 473 | .name = "name", |
| 474 | .type = QEMU_OPT_STRING, |
| 475 | .help = "Sets the fw_cfg name of the blob to be inserted", |
| 476 | }, { |
| 477 | .name = "file", |
| 478 | .type = QEMU_OPT_STRING, |
| 479 | .help = "Sets the name of the file from which " |
| 480 | "the fw_cfg blob will be loaded", |
| 481 | }, { |
| 482 | .name = "string", |
| 483 | .type = QEMU_OPT_STRING, |
| 484 | .help = "Sets content of the blob to be inserted from a string", |
| 485 | }, { |
| 486 | .name = "gen_id", |
| 487 | .type = QEMU_OPT_STRING, |
| 488 | .help = "Sets id of the object generating the fw_cfg blob " |
| 489 | "to be inserted", |
| 490 | }, |
| 491 | { /* end of list */ } |
| 492 | }, |
| 493 | }; |
| 494 | |
| 495 | static QemuOptsList qemu_action_opts = { |
| 496 | .name = "action", |
| 497 | .merge_lists = true, |
| 498 | .head = QTAILQ_HEAD_INITIALIZER(qemu_action_opts.head), |
| 499 | .desc = { |
| 500 | { |
| 501 | .name = "shutdown", |
| 502 | .type = QEMU_OPT_STRING, |
| 503 | },{ |
| 504 | .name = "reboot", |
| 505 | .type = QEMU_OPT_STRING, |
| 506 | },{ |
| 507 | .name = "panic", |
| 508 | .type = QEMU_OPT_STRING, |
| 509 | },{ |
| 510 | .name = "watchdog", |
| 511 | .type = QEMU_OPT_STRING, |
| 512 | }, |
| 513 | { /* end of list */ } |
| 514 | }, |
| 515 | }; |
| 516 | |
| 517 | const char *qemu_get_vm_name(void) |
| 518 | { |
| 519 | return qemu_name; |
| 520 | } |
| 521 | |
| 522 | static void default_driver_disable(const char *driver) |
| 523 | { |
| 524 | int i; |
| 525 | |
| 526 | if (!driver) { |
| 527 | return; |
| 528 | } |
| 529 | |
| 530 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { |
| 531 | if (strcmp(default_list[i].driver, driver) != 0) |
| 532 | continue; |
| 533 | *(default_list[i].flag) = 0; |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp) |
| 538 | { |
| 539 | const char *driver = qemu_opt_get(opts, "driver"); |
| 540 | |
| 541 | default_driver_disable(driver); |
| 542 | return 0; |
| 543 | } |
| 544 | |
| 545 | static void default_driver_check_json(void) |
| 546 | { |
| 547 | DeviceOption *opt; |
| 548 | |
| 549 | QTAILQ_FOREACH(opt, &device_opts, next) { |
| 550 | const char *driver = qdict_get_try_str(opt->opts, "driver"); |
| 551 | default_driver_disable(driver); |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | static int parse_name(void *opaque, QemuOpts *opts, Error **errp) |
| 556 | { |
| 557 | const char *proc_name; |
| 558 | |
| 559 | if (qemu_opt_get(opts, "debug-threads") && |
| 560 | !qemu_opt_get_bool(opts, "debug-threads", false)) { |
| 561 | fprintf(stderr, "Ignoring deprecated 'debug-threads=no' option, " \ |
| 562 | "thread naming is unconditionally enabled\n"); |
| 563 | } |
| 564 | |
| 565 | qemu_name = qemu_opt_get(opts, "guest"); |
| 566 | |
| 567 | proc_name = qemu_opt_get(opts, "process"); |
| 568 | if (proc_name) { |
| 569 | os_set_proc_name(proc_name); |
| 570 | } |
| 571 | |
| 572 | return 0; |
| 573 | } |
| 574 | |
| 575 | bool defaults_enabled(void) |
| 576 | { |
| 577 | return has_defaults; |
| 578 | } |
| 579 | |
| 580 | #ifndef _WIN32 |
| 581 | static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) |
| 582 | { |
| 583 | int fd, dupfd, flags; |
| 584 | int64_t fdset_id; |
| 585 | const char *fd_opaque = NULL; |
| 586 | AddfdInfo *fdinfo; |
| 587 | |
| 588 | fd = qemu_opt_get_number(opts, "fd", -1); |
| 589 | fdset_id = qemu_opt_get_number(opts, "set", -1); |
| 590 | fd_opaque = qemu_opt_get(opts, "opaque"); |
| 591 | |
| 592 | if (fd < 0) { |
| 593 | error_setg(errp, "fd option is required and must be non-negative"); |
| 594 | return -1; |
| 595 | } |
| 596 | |
| 597 | if (fd <= STDERR_FILENO) { |
| 598 | error_setg(errp, "fd cannot be a standard I/O stream"); |
| 599 | return -1; |
| 600 | } |
| 601 | |
| 602 | /* |
| 603 | * All fds inherited across exec() necessarily have FD_CLOEXEC |
| 604 | * clear, while qemu sets FD_CLOEXEC on all other fds used internally. |
| 605 | */ |
| 606 | flags = fcntl(fd, F_GETFD); |
| 607 | if (flags == -1 || (flags & FD_CLOEXEC)) { |
| 608 | error_setg(errp, "fd is not valid or already in use"); |
| 609 | return -1; |
| 610 | } |
| 611 | |
| 612 | if (fdset_id < 0) { |
| 613 | error_setg(errp, "set option is required and must be non-negative"); |
| 614 | return -1; |
| 615 | } |
| 616 | |
| 617 | #ifdef F_DUPFD_CLOEXEC |
| 618 | dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0); |
| 619 | #else |
| 620 | dupfd = dup(fd); |
| 621 | if (dupfd != -1) { |
| 622 | qemu_set_cloexec(dupfd); |
| 623 | } |
| 624 | #endif |
| 625 | if (dupfd == -1) { |
| 626 | error_setg_errno(errp, errno, "error duplicating fd"); |
| 627 | return -1; |
| 628 | } |
| 629 | |
| 630 | /* add the duplicate fd, and optionally the opaque string, to the fd set */ |
| 631 | fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque, |
| 632 | &error_abort); |
| 633 | g_free(fdinfo); |
| 634 | |
| 635 | return 0; |
| 636 | } |
| 637 | |
| 638 | static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp) |
| 639 | { |
| 640 | int fd; |
| 641 | |
| 642 | fd = qemu_opt_get_number(opts, "fd", -1); |
| 643 | close(fd); |
| 644 | |
| 645 | return 0; |
| 646 | } |
| 647 | #endif |
| 648 | |
| 649 | /***********************************************************/ |
| 650 | /* QEMU Block devices */ |
| 651 | |
| 652 | #define HD_OPTS "media=disk" |
| 653 | #define CDROM_OPTS "media=cdrom" |
| 654 | #define FD_OPTS "" |
| 655 | #define PFLASH_OPTS "" |
| 656 | #define MTD_OPTS "" |
| 657 | #define SD_OPTS "" |
| 658 | |
| 659 | static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp) |
| 660 | { |
| 661 | BlockInterfaceType *block_default_type = opaque; |
| 662 | |
| 663 | return drive_new(opts, *block_default_type, errp) == NULL; |
| 664 | } |
| 665 | |
| 666 | static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp) |
| 667 | { |
| 668 | if (qemu_opt_get(opts, "snapshot") == NULL) { |
| 669 | qemu_opt_set(opts, "snapshot", "on", &error_abort); |
| 670 | } |
| 671 | return 0; |
| 672 | } |
| 673 | |
| 674 | static void default_drive(int enable, int snapshot, BlockInterfaceType type, |
| 675 | int index, const char *optstr) |
| 676 | { |
| 677 | QemuOpts *opts; |
| 678 | DriveInfo *dinfo; |
| 679 | |
| 680 | if (!enable || drive_get_by_index(type, index)) { |
| 681 | return; |
| 682 | } |
| 683 | |
| 684 | opts = drive_add(type, index, NULL, optstr); |
| 685 | if (snapshot) { |
| 686 | drive_enable_snapshot(NULL, opts, NULL); |
| 687 | } |
| 688 | |
| 689 | dinfo = drive_new(opts, type, &error_abort); |
| 690 | dinfo->is_default = true; |
| 691 | |
| 692 | } |
| 693 | |
| 694 | static void configure_blockdev(BlockdevOptionsQueue *bdo_queue, |
| 695 | MachineClass *machine_class, int snapshot) |
| 696 | { |
| 697 | /* |
| 698 | * If the currently selected machine wishes to override the |
| 699 | * units-per-bus property of its default HBA interface type, do so |
| 700 | * now. |
| 701 | */ |
| 702 | if (machine_class->units_per_default_bus) { |
| 703 | override_max_devs(machine_class->block_default_type, |
| 704 | machine_class->units_per_default_bus); |
| 705 | } |
| 706 | |
| 707 | /* open the virtual block devices */ |
| 708 | while (!QSIMPLEQ_EMPTY(bdo_queue)) { |
| 709 | BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue); |
| 710 | |
| 711 | QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry); |
| 712 | loc_push_restore(&bdo->loc); |
| 713 | qmp_blockdev_add(bdo->bdo, &error_fatal); |
| 714 | loc_pop(&bdo->loc); |
| 715 | qapi_free_BlockdevOptions(bdo->bdo); |
| 716 | g_free(bdo); |
| 717 | } |
| 718 | if (snapshot) { |
| 719 | qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, |
| 720 | NULL, NULL); |
| 721 | } |
| 722 | if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, |
| 723 | &machine_class->block_default_type, &error_fatal)) { |
| 724 | /* We printed help */ |
| 725 | exit(0); |
| 726 | } |
| 727 | |
| 728 | default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2, |
| 729 | CDROM_OPTS); |
| 730 | default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS); |
| 731 | default_drive(auto_create_sdcard, snapshot, IF_SD, 0, SD_OPTS); |
| 732 | |
| 733 | } |
| 734 | |
| 735 | static QemuOptsList qemu_smp_opts = { |
| 736 | .name = "smp-opts", |
| 737 | .implied_opt_name = "cpus", |
| 738 | .merge_lists = true, |
| 739 | .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head), |
| 740 | .desc = { |
| 741 | { |
| 742 | .name = "cpus", |
| 743 | .type = QEMU_OPT_NUMBER, |
| 744 | }, { |
| 745 | .name = "drawers", |
| 746 | .type = QEMU_OPT_NUMBER, |
| 747 | }, { |
| 748 | .name = "books", |
| 749 | .type = QEMU_OPT_NUMBER, |
| 750 | }, { |
| 751 | .name = "sockets", |
| 752 | .type = QEMU_OPT_NUMBER, |
| 753 | }, { |
| 754 | .name = "dies", |
| 755 | .type = QEMU_OPT_NUMBER, |
| 756 | }, { |
| 757 | .name = "clusters", |
| 758 | .type = QEMU_OPT_NUMBER, |
| 759 | }, { |
| 760 | .name = "modules", |
| 761 | .type = QEMU_OPT_NUMBER, |
| 762 | }, { |
| 763 | .name = "cores", |
| 764 | .type = QEMU_OPT_NUMBER, |
| 765 | }, { |
| 766 | .name = "threads", |
| 767 | .type = QEMU_OPT_NUMBER, |
| 768 | }, { |
| 769 | .name = "maxcpus", |
| 770 | .type = QEMU_OPT_NUMBER, |
| 771 | }, |
| 772 | { /*End of list */ } |
| 773 | }, |
| 774 | }; |
| 775 | |
| 776 | #if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) |
| 777 | static QemuOptsList qemu_run_with_opts = { |
| 778 | .name = "run-with", |
| 779 | .head = QTAILQ_HEAD_INITIALIZER(qemu_run_with_opts.head), |
| 780 | .desc = { |
| 781 | #if defined(CONFIG_LINUX) |
| 782 | { |
| 783 | .name = "async-teardown", |
| 784 | .type = QEMU_OPT_BOOL, |
| 785 | }, |
| 786 | #endif |
| 787 | { |
| 788 | .name = "chroot", |
| 789 | .type = QEMU_OPT_STRING, |
| 790 | }, |
| 791 | { |
| 792 | .name = "exit-with-parent", |
| 793 | .type = QEMU_OPT_BOOL, |
| 794 | }, |
| 795 | { |
| 796 | .name = "user", |
| 797 | .type = QEMU_OPT_STRING, |
| 798 | }, |
| 799 | { /* end of list */ } |
| 800 | }, |
| 801 | }; |
| 802 | |
| 803 | #define qemu_add_run_with_opts() qemu_add_opts(&qemu_run_with_opts) |
| 804 | |
| 805 | #else |
| 806 | |
| 807 | #define qemu_add_run_with_opts() |
| 808 | |
| 809 | #endif /* CONFIG_POSIX */ |
| 810 | |
| 811 | static void realtime_init(void) |
| 812 | { |
| 813 | if (should_mlock(mlock_state)) { |
| 814 | if (os_mlock(is_mlock_on_fault(mlock_state)) < 0) { |
| 815 | error_report("locking memory failed"); |
| 816 | exit(1); |
| 817 | } |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | |
| 822 | static void configure_msg(QemuOpts *opts) |
| 823 | { |
| 824 | message_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false); |
| 825 | error_with_guestname = qemu_opt_get_bool(opts, "guest-name", false); |
| 826 | } |
| 827 | |
| 828 | |
| 829 | /***********************************************************/ |
| 830 | /* USB devices */ |
| 831 | |
| 832 | static bool usb_parse(const char *cmdline, Error **errp) |
| 833 | { |
| 834 | g_assert(machine_usb(current_machine)); |
| 835 | |
| 836 | if (!usbdevice_create(cmdline)) { |
| 837 | error_setg(errp, "could not add USB device '%s'", cmdline); |
| 838 | return false; |
| 839 | } |
| 840 | return true; |
| 841 | } |
| 842 | |
| 843 | /***********************************************************/ |
| 844 | /* machine registration */ |
| 845 | |
| 846 | static MachineClass *find_machine(const char *name, GSList *machines) |
| 847 | { |
| 848 | GSList *el; |
| 849 | |
| 850 | for (el = machines; el; el = el->next) { |
| 851 | MachineClass *mc = el->data; |
| 852 | |
| 853 | if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) { |
| 854 | return mc; |
| 855 | } |
| 856 | } |
| 857 | |
| 858 | return NULL; |
| 859 | } |
| 860 | |
| 861 | static MachineClass *find_default_machine(GSList *machines) |
| 862 | { |
| 863 | GSList *el; |
| 864 | MachineClass *default_machineclass = NULL; |
| 865 | |
| 866 | for (el = machines; el; el = el->next) { |
| 867 | MachineClass *mc = el->data; |
| 868 | |
| 869 | if (mc->is_default) { |
| 870 | assert(default_machineclass == NULL && "Multiple default machines"); |
| 871 | default_machineclass = mc; |
| 872 | } |
| 873 | } |
| 874 | |
| 875 | return default_machineclass; |
| 876 | } |
| 877 | |
| 878 | static void version(void) |
| 879 | { |
| 880 | printf("QEMU emulator version " QEMU_FULL_VERSION "\n" |
| 881 | QEMU_COPYRIGHT "\n"); |
| 882 | } |
| 883 | |
| 884 | static void help(int exitcode) |
| 885 | { |
| 886 | version(); |
| 887 | printf("usage: %s [options] [disk_image]\n\n" |
| 888 | "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n", |
| 889 | g_get_prgname()); |
| 890 | |
| 891 | #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \ |
| 892 | if (qemu_arch_available(arch_mask)) \ |
| 893 | fputs(opt_help, stdout); |
| 894 | |
| 895 | #define ARCHHEADING(text, arch_mask) \ |
| 896 | if (qemu_arch_available(arch_mask)) \ |
| 897 | puts(stringify(text)); |
| 898 | |
| 899 | #define DEFHEADING(text) ARCHHEADING(text, QEMU_ARCH_ALL) |
| 900 | |
| 901 | #include "qemu-options.def" |
| 902 | |
| 903 | printf("\nDuring emulation, the following keys are useful:\n" |
| 904 | "ctrl-alt-f toggle full screen\n" |
| 905 | "ctrl-alt-n switch to virtual console 'n'\n" |
| 906 | "ctrl-alt-g toggle mouse and keyboard grab\n" |
| 907 | "\n" |
| 908 | "When using -nographic, press 'ctrl-a h' to get some help.\n" |
| 909 | "\n" |
| 910 | QEMU_HELP_BOTTOM "\n"); |
| 911 | |
| 912 | exit(exitcode); |
| 913 | } |
| 914 | |
| 915 | enum { |
| 916 | |
| 917 | #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \ |
| 918 | opt_enum, |
| 919 | #define DEFHEADING(text) |
| 920 | #define ARCHHEADING(text, arch_mask) |
| 921 | |
| 922 | #include "qemu-options.def" |
| 923 | }; |
| 924 | |
| 925 | #define HAS_ARG 0x0001 |
| 926 | |
| 927 | typedef struct QEMUOption { |
| 928 | const char *name; |
| 929 | int flags; |
| 930 | int index; |
| 931 | uint32_t arch_mask; |
| 932 | } QEMUOption; |
| 933 | |
| 934 | static const QEMUOption qemu_options[] = { |
| 935 | { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL }, |
| 936 | |
| 937 | #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \ |
| 938 | { option, opt_arg, opt_enum, arch_mask }, |
| 939 | #define DEFHEADING(text) |
| 940 | #define ARCHHEADING(text, arch_mask) |
| 941 | |
| 942 | #include "qemu-options.def" |
| 943 | { /* end of list */ } |
| 944 | }; |
| 945 | |
| 946 | typedef struct VGAInterfaceInfo { |
| 947 | const char *opt_name; /* option name */ |
| 948 | const char *name; /* human-readable name */ |
| 949 | /* Class names indicating that support is available. |
| 950 | * If no class is specified, the interface is always available */ |
| 951 | const char *class_names[2]; |
| 952 | } VGAInterfaceInfo; |
| 953 | |
| 954 | static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = { |
| 955 | [VGA_NONE] = { |
| 956 | .opt_name = "none", |
| 957 | .name = "no graphic card", |
| 958 | }, |
| 959 | [VGA_STD] = { |
| 960 | .opt_name = "std", |
| 961 | .name = "standard VGA", |
| 962 | .class_names = { "VGA", "isa-vga" }, |
| 963 | }, |
| 964 | [VGA_CIRRUS] = { |
| 965 | .opt_name = "cirrus", |
| 966 | .name = "Cirrus VGA", |
| 967 | .class_names = { "cirrus-vga", "isa-cirrus-vga" }, |
| 968 | }, |
| 969 | [VGA_VMWARE] = { |
| 970 | .opt_name = "vmware", |
| 971 | .name = "VMWare SVGA", |
| 972 | .class_names = { "vmware-svga" }, |
| 973 | }, |
| 974 | [VGA_VIRTIO] = { |
| 975 | .opt_name = "virtio", |
| 976 | .name = "Virtio VGA", |
| 977 | .class_names = { "virtio-vga" }, |
| 978 | }, |
| 979 | [VGA_QXL] = { |
| 980 | .opt_name = "qxl", |
| 981 | .name = "QXL VGA", |
| 982 | .class_names = { "qxl-vga" }, |
| 983 | }, |
| 984 | [VGA_TCX] = { |
| 985 | .opt_name = "tcx", |
| 986 | .name = "TCX framebuffer", |
| 987 | .class_names = { "sun-tcx" }, |
| 988 | }, |
| 989 | [VGA_CG3] = { |
| 990 | .opt_name = "cg3", |
| 991 | .name = "CG3 framebuffer", |
| 992 | .class_names = { "cgthree" }, |
| 993 | }, |
| 994 | #ifdef CONFIG_XEN_BACKEND |
| 995 | [VGA_XENFB] = { |
| 996 | .opt_name = "xenfb", |
| 997 | .name = "Xen paravirtualized framebuffer", |
| 998 | }, |
| 999 | #endif |
| 1000 | }; |
| 1001 | |
| 1002 | static bool vga_interface_available(VGAInterfaceType t) |
| 1003 | { |
| 1004 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; |
| 1005 | |
| 1006 | assert(t < VGA_TYPE_MAX); |
| 1007 | |
| 1008 | if (!ti->class_names[0] || module_object_class_by_name(ti->class_names[0])) { |
| 1009 | return true; |
| 1010 | } |
| 1011 | |
| 1012 | if (ti->class_names[1] && module_object_class_by_name(ti->class_names[1])) { |
| 1013 | return true; |
| 1014 | } |
| 1015 | |
| 1016 | return false; |
| 1017 | } |
| 1018 | |
| 1019 | static const char * |
| 1020 | get_default_vga_model(const MachineClass *machine_class) |
| 1021 | { |
| 1022 | if (machine_class->default_display) { |
| 1023 | for (int t = 0; t < VGA_TYPE_MAX; t++) { |
| 1024 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; |
| 1025 | |
| 1026 | if (ti->opt_name && vga_interface_available(t) && |
| 1027 | g_str_equal(ti->opt_name, machine_class->default_display)) { |
| 1028 | return machine_class->default_display; |
| 1029 | } |
| 1030 | } |
| 1031 | |
| 1032 | warn_report_once("Default display '%s' is not available in this binary", |
| 1033 | machine_class->default_display); |
| 1034 | return NULL; |
| 1035 | } else if (vga_interface_available(VGA_CIRRUS)) { |
| 1036 | return "cirrus"; |
| 1037 | } else if (vga_interface_available(VGA_STD)) { |
| 1038 | return "std"; |
| 1039 | } |
| 1040 | |
| 1041 | return NULL; |
| 1042 | } |
| 1043 | |
| 1044 | static void select_vgahw(const MachineClass *machine_class, const char *p) |
| 1045 | { |
| 1046 | const char *opts; |
| 1047 | int t; |
| 1048 | |
| 1049 | if (g_str_equal(p, "help")) { |
| 1050 | const char *def = get_default_vga_model(machine_class); |
| 1051 | |
| 1052 | for (t = 0; t < VGA_TYPE_MAX; t++) { |
| 1053 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; |
| 1054 | |
| 1055 | if (vga_interface_available(t) && ti->opt_name) { |
| 1056 | printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "", |
| 1057 | (def && g_str_equal(ti->opt_name, def)) ? |
| 1058 | " (default)" : ""); |
| 1059 | } |
| 1060 | } |
| 1061 | exit(0); |
| 1062 | } |
| 1063 | |
| 1064 | assert(vga_interface_type == VGA_NONE); |
| 1065 | for (t = 0; t < VGA_TYPE_MAX; t++) { |
| 1066 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; |
| 1067 | if (ti->opt_name && strstart(p, ti->opt_name, &opts)) { |
| 1068 | if (!vga_interface_available(t)) { |
| 1069 | error_report("%s not available", ti->name); |
| 1070 | exit(1); |
| 1071 | } |
| 1072 | vga_interface_type = t; |
| 1073 | break; |
| 1074 | } |
| 1075 | } |
| 1076 | if (t == VGA_TYPE_MAX) { |
| 1077 | invalid_vga: |
| 1078 | error_report("unknown vga type: %s", p); |
| 1079 | exit(1); |
| 1080 | } |
| 1081 | while (*opts) { |
| 1082 | const char *nextopt; |
| 1083 | |
| 1084 | if (strstart(opts, ",retrace=", &nextopt)) { |
| 1085 | opts = nextopt; |
| 1086 | if (strstart(opts, "dumb", &nextopt)) |
| 1087 | vga_retrace_method = VGA_RETRACE_DUMB; |
| 1088 | else if (strstart(opts, "precise", &nextopt)) |
| 1089 | vga_retrace_method = VGA_RETRACE_PRECISE; |
| 1090 | else goto invalid_vga; |
| 1091 | } else goto invalid_vga; |
| 1092 | opts = nextopt; |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | static void parse_display_qapi(const char *str) |
| 1097 | { |
| 1098 | DisplayOptions *opts; |
| 1099 | Visitor *v; |
| 1100 | |
| 1101 | v = qobject_input_visitor_new_str(str, "type", &error_fatal); |
| 1102 | |
| 1103 | visit_type_DisplayOptions(v, NULL, &opts, &error_fatal); |
| 1104 | QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts); |
| 1105 | |
| 1106 | qapi_free_DisplayOptions(opts); |
| 1107 | visit_free(v); |
| 1108 | } |
| 1109 | |
| 1110 | DisplayOptions *qmp_query_display_options(Error **errp) |
| 1111 | { |
| 1112 | return QAPI_CLONE(DisplayOptions, &dpy); |
| 1113 | } |
| 1114 | |
| 1115 | static void parse_display(const char *p) |
| 1116 | { |
| 1117 | if (is_help_option(p)) { |
| 1118 | qemu_display_help(); |
| 1119 | exit(0); |
| 1120 | } |
| 1121 | |
| 1122 | #ifdef CONFIG_VNC |
| 1123 | const char *opts; |
| 1124 | |
| 1125 | if (strstart(p, "vnc", &opts)) { |
| 1126 | /* |
| 1127 | * vnc isn't a (local) DisplayType but a protocol for remote |
| 1128 | * display access. |
| 1129 | */ |
| 1130 | if (*opts == '=') { |
| 1131 | vnc_parse(opts + 1); |
| 1132 | display_remote++; |
| 1133 | } else { |
| 1134 | error_report("VNC requires a display argument vnc=<display>"); |
| 1135 | exit(1); |
| 1136 | } |
| 1137 | return; |
| 1138 | } |
| 1139 | #endif |
| 1140 | |
| 1141 | parse_display_qapi(p); |
| 1142 | } |
| 1143 | |
| 1144 | static inline bool nonempty_str(const char *str) |
| 1145 | { |
| 1146 | return str && *str; |
| 1147 | } |
| 1148 | |
| 1149 | static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) |
| 1150 | { |
| 1151 | gchar *buf; |
| 1152 | size_t size; |
| 1153 | const char *name, *file, *str, *gen_id; |
| 1154 | FWCfgState *fw_cfg = (FWCfgState *) opaque; |
| 1155 | |
| 1156 | if (fw_cfg == NULL) { |
| 1157 | error_setg(errp, "fw_cfg device not available"); |
| 1158 | return -1; |
| 1159 | } |
| 1160 | name = qemu_opt_get(opts, "name"); |
| 1161 | file = qemu_opt_get(opts, "file"); |
| 1162 | str = qemu_opt_get(opts, "string"); |
| 1163 | gen_id = qemu_opt_get(opts, "gen_id"); |
| 1164 | |
| 1165 | /* we need the name, and exactly one of: file, content string, gen_id */ |
| 1166 | if (!nonempty_str(name) || |
| 1167 | nonempty_str(file) + nonempty_str(str) + nonempty_str(gen_id) != 1) { |
| 1168 | error_setg(errp, "name, plus exactly one of file," |
| 1169 | " string and gen_id, are needed"); |
| 1170 | return -1; |
| 1171 | } |
| 1172 | if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { |
| 1173 | error_setg(errp, "name too long (max. %d char)", |
| 1174 | FW_CFG_MAX_FILE_PATH - 1); |
| 1175 | return -1; |
| 1176 | } |
| 1177 | if (nonempty_str(gen_id)) { |
| 1178 | /* |
| 1179 | * In this particular case where the content is populated |
| 1180 | * internally, the "etc/" namespace protection is relaxed, |
| 1181 | * so do not emit a warning. |
| 1182 | */ |
| 1183 | } else if (strncmp(name, "opt/", 4) != 0) { |
| 1184 | warn_report("externally provided fw_cfg item names " |
| 1185 | "should be prefixed with \"opt/\""); |
| 1186 | } |
| 1187 | if (nonempty_str(str)) { |
| 1188 | size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */ |
| 1189 | buf = g_memdup(str, size); |
| 1190 | } else if (nonempty_str(gen_id)) { |
| 1191 | if (!fw_cfg_add_file_from_generator(fw_cfg, object_get_objects_root(), |
| 1192 | gen_id, name, errp)) { |
| 1193 | return -1; |
| 1194 | } |
| 1195 | return 0; |
| 1196 | } else { |
| 1197 | GError *err = NULL; |
| 1198 | if (!g_file_get_contents(file, &buf, &size, &err)) { |
| 1199 | error_setg(errp, "can't load %s: %s", file, err->message); |
| 1200 | g_error_free(err); |
| 1201 | return -1; |
| 1202 | } |
| 1203 | } |
| 1204 | fw_cfg_add_file(fw_cfg, name, buf, size); |
| 1205 | return 0; |
| 1206 | } |
| 1207 | |
| 1208 | static int device_help_func(void *opaque, QemuOpts *opts, Error **errp) |
| 1209 | { |
| 1210 | return qdev_device_help(opts); |
| 1211 | } |
| 1212 | |
| 1213 | static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) |
| 1214 | { |
| 1215 | DeviceState *dev; |
| 1216 | |
| 1217 | dev = qdev_device_add(opts, errp); |
| 1218 | if (!dev && *errp) { |
| 1219 | error_report_err(*errp); |
| 1220 | return -1; |
| 1221 | } else if (dev) { |
| 1222 | object_unref(OBJECT(dev)); |
| 1223 | } |
| 1224 | return 0; |
| 1225 | } |
| 1226 | |
| 1227 | static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) |
| 1228 | { |
| 1229 | Error *local_err = NULL; |
| 1230 | |
| 1231 | if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) { |
| 1232 | if (local_err) { |
| 1233 | error_propagate(errp, local_err); |
| 1234 | return -1; |
| 1235 | } |
| 1236 | exit(0); |
| 1237 | } |
| 1238 | return 0; |
| 1239 | } |
| 1240 | |
| 1241 | #ifdef CONFIG_VIRTFS |
| 1242 | static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) |
| 1243 | { |
| 1244 | return qemu_fsdev_add(opts, errp); |
| 1245 | } |
| 1246 | #endif |
| 1247 | |
| 1248 | static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp) |
| 1249 | { |
| 1250 | return monitor_new_opts(opts, errp); |
| 1251 | } |
| 1252 | |
| 1253 | static void monitor_parse(const char *str, const char *mode, bool pretty) |
| 1254 | { |
| 1255 | QemuOpts *opts; |
| 1256 | const char *p; |
| 1257 | char label[32]; |
| 1258 | |
| 1259 | if (strstart(str, "chardev:", &p)) { |
| 1260 | snprintf(label, sizeof(label), "%s", p); |
| 1261 | } else { |
| 1262 | g_autofree char *id = monitor_compat_id(); |
| 1263 | assert(strlen(id) < sizeof(label)); |
| 1264 | memcpy(label, id, strlen(id) + 1); |
| 1265 | opts = qemu_chr_parse_compat(label, str, true); |
| 1266 | if (!opts) { |
| 1267 | error_report("parse error: %s", str); |
| 1268 | exit(1); |
| 1269 | } |
| 1270 | } |
| 1271 | |
| 1272 | opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal); |
| 1273 | qemu_opt_set(opts, "mode", mode, &error_abort); |
| 1274 | qemu_opt_set(opts, "chardev", label, &error_abort); |
| 1275 | if (!strcmp(mode, "control")) { |
| 1276 | qemu_opt_set_bool(opts, "pretty", pretty, &error_abort); |
| 1277 | } else { |
| 1278 | assert(pretty == false); |
| 1279 | } |
| 1280 | } |
| 1281 | |
| 1282 | struct device_config { |
| 1283 | enum { |
| 1284 | DEV_USB, /* -usbdevice */ |
| 1285 | DEV_SERIAL, /* -serial */ |
| 1286 | DEV_PARALLEL, /* -parallel */ |
| 1287 | DEV_DEBUGCON, /* -debugcon */ |
| 1288 | DEV_GDB, /* -gdb, -s */ |
| 1289 | DEV_SCLP, /* s390 sclp */ |
| 1290 | } type; |
| 1291 | const char *cmdline; |
| 1292 | Location loc; |
| 1293 | QTAILQ_ENTRY(device_config) next; |
| 1294 | }; |
| 1295 | |
| 1296 | static QTAILQ_HEAD(, device_config) device_configs = |
| 1297 | QTAILQ_HEAD_INITIALIZER(device_configs); |
| 1298 | |
| 1299 | static void add_device_config(int type, const char *cmdline) |
| 1300 | { |
| 1301 | struct device_config *conf; |
| 1302 | |
| 1303 | conf = g_malloc0(sizeof(*conf)); |
| 1304 | conf->type = type; |
| 1305 | conf->cmdline = cmdline; |
| 1306 | loc_save(&conf->loc); |
| 1307 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); |
| 1308 | } |
| 1309 | |
| 1310 | /** |
| 1311 | * foreach_device_config_or_exit(): process per-device configs |
| 1312 | * @type: device_config type |
| 1313 | * @func: device specific config function, returning pass/fail |
| 1314 | * |
| 1315 | * @func is called with the &error_fatal handler so device specific |
| 1316 | * error messages can be reported on failure. |
| 1317 | */ |
| 1318 | static void foreach_device_config_or_exit(int type, |
| 1319 | bool (*func)(const char *cmdline, |
| 1320 | Error **errp)) |
| 1321 | { |
| 1322 | struct device_config *conf; |
| 1323 | |
| 1324 | QTAILQ_FOREACH(conf, &device_configs, next) { |
| 1325 | if (conf->type != type) |
| 1326 | continue; |
| 1327 | loc_push_restore(&conf->loc); |
| 1328 | func(conf->cmdline, &error_fatal); |
| 1329 | loc_pop(&conf->loc); |
| 1330 | } |
| 1331 | } |
| 1332 | |
| 1333 | static void qemu_disable_default_devices(void) |
| 1334 | { |
| 1335 | MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); |
| 1336 | |
| 1337 | default_driver_check_json(); |
| 1338 | qemu_opts_foreach(qemu_find_opts("device"), |
| 1339 | default_driver_check, NULL, NULL); |
| 1340 | qemu_opts_foreach(qemu_find_opts("global"), |
| 1341 | default_driver_check, NULL, NULL); |
| 1342 | |
| 1343 | if (!vga_model && !default_vga) { |
| 1344 | vga_interface_type = VGA_DEVICE; |
| 1345 | vga_interface_created = true; |
| 1346 | } |
| 1347 | if (!has_defaults || machine_class->no_serial) { |
| 1348 | default_serial = 0; |
| 1349 | } |
| 1350 | if (!has_defaults || machine_class->no_parallel) { |
| 1351 | default_parallel = 0; |
| 1352 | } |
| 1353 | if (!has_defaults || machine_class->no_floppy) { |
| 1354 | default_floppy = 0; |
| 1355 | } |
| 1356 | if (!has_defaults || machine_class->no_cdrom) { |
| 1357 | default_cdrom = 0; |
| 1358 | } |
| 1359 | if (!has_defaults || !machine_class->auto_create_sdcard) { |
| 1360 | auto_create_sdcard = false; |
| 1361 | } |
| 1362 | if (!has_defaults) { |
| 1363 | default_audio = 0; |
| 1364 | default_monitor = 0; |
| 1365 | default_net = 0; |
| 1366 | default_vga = 0; |
| 1367 | } else { |
| 1368 | if (default_net && machine_class->default_nic && |
| 1369 | !module_object_class_by_name(machine_class->default_nic)) { |
| 1370 | warn_report("Default NIC '%s' is not available in this binary", |
| 1371 | machine_class->default_nic); |
| 1372 | default_net = 0; |
| 1373 | } |
| 1374 | } |
| 1375 | } |
| 1376 | |
| 1377 | static void qemu_setup_display(void) |
| 1378 | { |
| 1379 | if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) { |
| 1380 | if (!qemu_display_find_default(&dpy)) { |
| 1381 | dpy.type = DISPLAY_TYPE_NONE; |
| 1382 | #if defined(CONFIG_VNC) |
| 1383 | vnc_parse("localhost:0,to=99,id=default"); |
| 1384 | display_remote++; |
| 1385 | #endif |
| 1386 | } |
| 1387 | } |
| 1388 | if (dpy.type == DISPLAY_TYPE_DEFAULT) { |
| 1389 | dpy.type = DISPLAY_TYPE_NONE; |
| 1390 | } |
| 1391 | |
| 1392 | qemu_display_early_init(&dpy); |
| 1393 | } |
| 1394 | |
| 1395 | static void qemu_create_default_devices(void) |
| 1396 | { |
| 1397 | MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); |
| 1398 | const char *vc = qemu_display_get_vc(&dpy); |
| 1399 | |
| 1400 | if (is_daemonized()) { |
| 1401 | /* According to documentation and historically, -nographic redirects |
| 1402 | * serial port, parallel port and monitor to stdio, which does not work |
| 1403 | * with -daemonize. We can redirect these to null instead, but since |
| 1404 | * -nographic is legacy, let's just error out. |
| 1405 | * We disallow -nographic only if all other ports are not redirected |
| 1406 | * explicitly, to not break existing legacy setups which uses |
| 1407 | * -nographic _and_ redirects all ports explicitly - this is valid |
| 1408 | * usage, -nographic is just a no-op in this case. |
| 1409 | */ |
| 1410 | if (nographic |
| 1411 | && (default_parallel || default_serial || default_monitor)) { |
| 1412 | error_report("-nographic cannot be used with -daemonize"); |
| 1413 | exit(1); |
| 1414 | } |
| 1415 | } |
| 1416 | |
| 1417 | if (nographic) { |
| 1418 | if (default_parallel) { |
| 1419 | add_device_config(DEV_PARALLEL, "null"); |
| 1420 | } |
| 1421 | if (default_serial && default_monitor) { |
| 1422 | add_device_config(DEV_SERIAL, "mon:stdio"); |
| 1423 | } else { |
| 1424 | if (default_serial) { |
| 1425 | add_device_config(DEV_SERIAL, "stdio"); |
| 1426 | } |
| 1427 | if (default_monitor) { |
| 1428 | monitor_parse("stdio", "readline", false); |
| 1429 | } |
| 1430 | } |
| 1431 | } else { |
| 1432 | if (default_serial) { |
| 1433 | add_device_config(DEV_SERIAL, vc ?: "null"); |
| 1434 | } |
| 1435 | if (default_parallel) { |
| 1436 | add_device_config(DEV_PARALLEL, vc ?: "null"); |
| 1437 | } |
| 1438 | if (default_monitor && vc) { |
| 1439 | monitor_parse(vc, "readline", false); |
| 1440 | } |
| 1441 | } |
| 1442 | |
| 1443 | if (default_net) { |
| 1444 | QemuOptsList *net = qemu_find_opts("net"); |
| 1445 | qemu_opts_parse(net, "nic", true, &error_abort); |
| 1446 | #ifdef CONFIG_SLIRP |
| 1447 | qemu_opts_parse(net, "user", true, &error_abort); |
| 1448 | #endif |
| 1449 | } |
| 1450 | |
| 1451 | /* If no default VGA is requested, the default is "none". */ |
| 1452 | if (default_vga) { |
| 1453 | vga_model = get_default_vga_model(machine_class); |
| 1454 | } |
| 1455 | if (vga_model) { |
| 1456 | select_vgahw(machine_class, vga_model); |
| 1457 | } |
| 1458 | } |
| 1459 | |
| 1460 | static bool serial_parse(const char *devname, Error **errp) |
| 1461 | { |
| 1462 | int index = num_serial_hds; |
| 1463 | |
| 1464 | serial_hds = g_renew(Chardev *, serial_hds, index + 1); |
| 1465 | |
| 1466 | if (strcmp(devname, "none") == 0) { |
| 1467 | /* Don't allocate a serial device for this index */ |
| 1468 | serial_hds[index] = NULL; |
| 1469 | } else { |
| 1470 | char label[32]; |
| 1471 | snprintf(label, sizeof(label), "serial%d", index); |
| 1472 | |
| 1473 | serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); |
| 1474 | if (!serial_hds[index]) { |
| 1475 | error_setg(errp, "could not connect serial device" |
| 1476 | " to character backend '%s'", devname); |
| 1477 | return false; |
| 1478 | } |
| 1479 | } |
| 1480 | num_serial_hds++; |
| 1481 | return true; |
| 1482 | } |
| 1483 | |
| 1484 | Chardev *serial_hd(int i) |
| 1485 | { |
| 1486 | assert(i >= 0); |
| 1487 | if (i < num_serial_hds) { |
| 1488 | return serial_hds[i]; |
| 1489 | } |
| 1490 | return NULL; |
| 1491 | } |
| 1492 | |
| 1493 | static bool parallel_parse(const char *devname, Error **errp) |
| 1494 | { |
| 1495 | static int index = 0; |
| 1496 | char label[32]; |
| 1497 | |
| 1498 | if (strcmp(devname, "none") == 0) |
| 1499 | return true; |
| 1500 | if (index == MAX_PARALLEL_PORTS) { |
| 1501 | error_setg(errp, "too many parallel ports"); |
| 1502 | return false; |
| 1503 | } |
| 1504 | snprintf(label, sizeof(label), "parallel%d", index); |
| 1505 | parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); |
| 1506 | if (!parallel_hds[index]) { |
| 1507 | error_setg(errp, "could not connect parallel device" |
| 1508 | " to character backend '%s'", devname); |
| 1509 | return false; |
| 1510 | } |
| 1511 | index++; |
| 1512 | return true; |
| 1513 | } |
| 1514 | |
| 1515 | static bool debugcon_parse(const char *devname, Error **errp) |
| 1516 | { |
| 1517 | QemuOpts *opts; |
| 1518 | |
| 1519 | if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) { |
| 1520 | error_setg(errp, "invalid character backend '%s'", devname); |
| 1521 | return false; |
| 1522 | } |
| 1523 | opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL); |
| 1524 | if (!opts) { |
| 1525 | error_setg(errp, "already have a debugcon device"); |
| 1526 | return false; |
| 1527 | } |
| 1528 | qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort); |
| 1529 | qemu_opt_set(opts, "chardev", "debugcon", &error_abort); |
| 1530 | return true; |
| 1531 | } |
| 1532 | |
| 1533 | static gint machine_class_cmp(gconstpointer a, gconstpointer b, gpointer d) |
| 1534 | { |
| 1535 | const MachineClass *mc1 = a, *mc2 = b; |
| 1536 | int res; |
| 1537 | |
| 1538 | if (mc1->family == NULL) { |
| 1539 | if (mc2->family == NULL) { |
| 1540 | /* Compare standalone machine types against each other; they sort |
| 1541 | * in increasing order. |
| 1542 | */ |
| 1543 | return strcmp(object_class_get_name(OBJECT_CLASS(mc1)), |
| 1544 | object_class_get_name(OBJECT_CLASS(mc2))); |
| 1545 | } |
| 1546 | |
| 1547 | /* Standalone machine types sort after families. */ |
| 1548 | return 1; |
| 1549 | } |
| 1550 | |
| 1551 | if (mc2->family == NULL) { |
| 1552 | /* Families sort before standalone machine types. */ |
| 1553 | return -1; |
| 1554 | } |
| 1555 | |
| 1556 | /* Families sort between each other alphabetically increasingly. */ |
| 1557 | res = strcmp(mc1->family, mc2->family); |
| 1558 | if (res != 0) { |
| 1559 | return res; |
| 1560 | } |
| 1561 | |
| 1562 | /* Within the same family, machine types sort in decreasing order. */ |
| 1563 | return strcmp(object_class_get_name(OBJECT_CLASS(mc2)), |
| 1564 | object_class_get_name(OBJECT_CLASS(mc1))); |
| 1565 | } |
| 1566 | |
| 1567 | static void machine_help_func(const QDict *qdict) |
| 1568 | { |
| 1569 | g_autoptr(GSList) machines = NULL; |
| 1570 | GSList *el; |
| 1571 | const char *type = qdict_get_try_str(qdict, "type"); |
| 1572 | |
| 1573 | machines = object_class_get_list(target_machine_typename(), false); |
| 1574 | if (type) { |
| 1575 | ObjectClass *machine_class = OBJECT_CLASS(find_machine(type, machines)); |
| 1576 | if (machine_class) { |
| 1577 | type_print_class_properties(object_class_get_name(machine_class)); |
| 1578 | return; |
| 1579 | } |
| 1580 | } |
| 1581 | |
| 1582 | printf("Supported machines are:\n"); |
| 1583 | machines = g_slist_sort_with_data(machines, machine_class_cmp, NULL); |
| 1584 | for (el = machines; el; el = el->next) { |
| 1585 | MachineClass *mc = el->data; |
| 1586 | if (mc->alias) { |
| 1587 | printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name); |
| 1588 | } |
| 1589 | printf("%-20s %s%s%s\n", mc->name, mc->desc, |
| 1590 | mc->is_default ? " (default)" : "", |
| 1591 | mc->deprecation_reason ? " (deprecated)" : ""); |
| 1592 | } |
| 1593 | } |
| 1594 | |
| 1595 | static void |
| 1596 | machine_merge_property(const char *propname, QDict *prop, Error **errp) |
| 1597 | { |
| 1598 | QDict *opts; |
| 1599 | |
| 1600 | opts = qdict_new(); |
| 1601 | /* Preserve the caller's reference to prop. */ |
| 1602 | qobject_ref(prop); |
| 1603 | qdict_put(opts, propname, prop); |
| 1604 | keyval_merge(machine_opts_dict, opts, errp); |
| 1605 | qobject_unref(opts); |
| 1606 | } |
| 1607 | |
| 1608 | static void |
| 1609 | machine_parse_property_opt(QemuOptsList *opts_list, const char *propname, |
| 1610 | const char *arg) |
| 1611 | { |
| 1612 | QDict *prop = NULL; |
| 1613 | bool help = false; |
| 1614 | |
| 1615 | prop = keyval_parse(arg, opts_list->implied_opt_name, &help, &error_fatal); |
| 1616 | if (help) { |
| 1617 | qemu_opts_print_help(opts_list, true); |
| 1618 | exit(0); |
| 1619 | } |
| 1620 | machine_merge_property(propname, prop, &error_fatal); |
| 1621 | qobject_unref(prop); |
| 1622 | } |
| 1623 | |
| 1624 | static const char *pid_file; |
| 1625 | struct UnlinkPidfileNotifier { |
| 1626 | Notifier notifier; |
| 1627 | char *pid_file_realpath; |
| 1628 | }; |
| 1629 | static struct UnlinkPidfileNotifier qemu_unlink_pidfile_notifier; |
| 1630 | |
| 1631 | static void qemu_unlink_pidfile(Notifier *n, void *data) |
| 1632 | { |
| 1633 | struct UnlinkPidfileNotifier *upn; |
| 1634 | |
| 1635 | upn = DO_UPCAST(struct UnlinkPidfileNotifier, notifier, n); |
| 1636 | unlink(upn->pid_file_realpath); |
| 1637 | g_free(upn->pid_file_realpath); |
| 1638 | upn->pid_file_realpath = NULL; |
| 1639 | } |
| 1640 | |
| 1641 | static const QEMUOption *lookup_opt(int argc, char **argv, |
| 1642 | const char **poptarg, int *poptind) |
| 1643 | { |
| 1644 | const QEMUOption *popt; |
| 1645 | int optind = *poptind; |
| 1646 | char *r = argv[optind]; |
| 1647 | const char *optarg; |
| 1648 | |
| 1649 | loc_set_cmdline(argv, optind, 1); |
| 1650 | optind++; |
| 1651 | /* Treat --foo the same as -foo. */ |
| 1652 | if (r[1] == '-') |
| 1653 | r++; |
| 1654 | popt = qemu_options; |
| 1655 | for(;;) { |
| 1656 | if (!popt->name) { |
| 1657 | error_report("invalid option"); |
| 1658 | exit(1); |
| 1659 | } |
| 1660 | if (!strcmp(popt->name, r + 1)) |
| 1661 | break; |
| 1662 | popt++; |
| 1663 | } |
| 1664 | if (popt->flags & HAS_ARG) { |
| 1665 | if (optind >= argc) { |
| 1666 | error_report("requires an argument"); |
| 1667 | exit(1); |
| 1668 | } |
| 1669 | optarg = argv[optind++]; |
| 1670 | loc_set_cmdline(argv, optind - 2, 2); |
| 1671 | } else { |
| 1672 | optarg = NULL; |
| 1673 | } |
| 1674 | |
| 1675 | *poptarg = optarg; |
| 1676 | *poptind = optind; |
| 1677 | |
| 1678 | return popt; |
| 1679 | } |
| 1680 | |
| 1681 | static MachineClass *select_machine(QDict *qdict, Error **errp) |
| 1682 | { |
| 1683 | ERRP_GUARD(); |
| 1684 | const char *machine_type = qdict_get_try_str(qdict, "type"); |
| 1685 | g_autoptr(GSList) machines = object_class_get_list(target_machine_typename(), |
| 1686 | false); |
| 1687 | MachineClass *machine_class = NULL; |
| 1688 | |
| 1689 | if (machine_type) { |
| 1690 | machine_class = find_machine(machine_type, machines); |
| 1691 | if (!machine_class) { |
| 1692 | error_setg(errp, "unsupported machine type: \"%s\"", machine_type); |
| 1693 | } |
| 1694 | qdict_del(qdict, "type"); |
| 1695 | } else { |
| 1696 | machine_class = find_default_machine(machines); |
| 1697 | if (!machine_class) { |
| 1698 | error_setg(errp, "No machine specified, and there is no default"); |
| 1699 | } |
| 1700 | } |
| 1701 | |
| 1702 | if (!machine_class) { |
| 1703 | error_append_hint(errp, |
| 1704 | "Use -machine help to list supported machines\n"); |
| 1705 | } |
| 1706 | return machine_class; |
| 1707 | } |
| 1708 | |
| 1709 | static int object_parse_property_opt(Object *obj, |
| 1710 | const char *name, const char *value, |
| 1711 | const char *skip, Error **errp) |
| 1712 | { |
| 1713 | if (g_str_equal(name, skip)) { |
| 1714 | return 0; |
| 1715 | } |
| 1716 | |
| 1717 | if (!object_property_parse(obj, name, value, errp)) { |
| 1718 | return -1; |
| 1719 | } |
| 1720 | |
| 1721 | return 0; |
| 1722 | } |
| 1723 | |
| 1724 | /* *Non*recursively replace underscores with dashes in QDict keys. */ |
| 1725 | static void keyval_dashify(QDict *qdict, Error **errp) |
| 1726 | { |
| 1727 | const QDictEntry *ent, *next; |
| 1728 | char *p; |
| 1729 | |
| 1730 | for (ent = qdict_first(qdict); ent; ent = next) { |
| 1731 | g_autofree char *new_key = NULL; |
| 1732 | |
| 1733 | next = qdict_next(qdict, ent); |
| 1734 | if (!strchr(ent->key, '_')) { |
| 1735 | continue; |
| 1736 | } |
| 1737 | new_key = g_strdup(ent->key); |
| 1738 | for (p = new_key; *p; p++) { |
| 1739 | if (*p == '_') { |
| 1740 | *p = '-'; |
| 1741 | } |
| 1742 | } |
| 1743 | if (qdict_haskey(qdict, new_key)) { |
| 1744 | error_setg(errp, "Conflict between '%s' and '%s'", ent->key, new_key); |
| 1745 | return; |
| 1746 | } |
| 1747 | qobject_ref(ent->value); |
| 1748 | qdict_put_obj(qdict, new_key, ent->value); |
| 1749 | qdict_del(qdict, ent->key); |
| 1750 | } |
| 1751 | } |
| 1752 | |
| 1753 | static void qemu_apply_legacy_machine_options(QDict *qdict) |
| 1754 | { |
| 1755 | const char *value; |
| 1756 | QObject *prop; |
| 1757 | |
| 1758 | keyval_dashify(qdict, &error_fatal); |
| 1759 | |
| 1760 | /* Legacy options do not correspond to MachineState properties. */ |
| 1761 | value = qdict_get_try_str(qdict, "accel"); |
| 1762 | if (value) { |
| 1763 | accelerators = g_strdup(value); |
| 1764 | qdict_del(qdict, "accel"); |
| 1765 | } |
| 1766 | |
| 1767 | value = qdict_get_try_str(qdict, "igd-passthru"); |
| 1768 | if (value) { |
| 1769 | object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), "igd-passthru", value, |
| 1770 | false); |
| 1771 | qdict_del(qdict, "igd-passthru"); |
| 1772 | } |
| 1773 | |
| 1774 | value = qdict_get_try_str(qdict, "kvm-shadow-mem"); |
| 1775 | if (value) { |
| 1776 | object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kvm-shadow-mem", value, |
| 1777 | false); |
| 1778 | qdict_del(qdict, "kvm-shadow-mem"); |
| 1779 | } |
| 1780 | |
| 1781 | value = qdict_get_try_str(qdict, "kernel-irqchip"); |
| 1782 | if (value) { |
| 1783 | object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kernel-irqchip", value, |
| 1784 | false); |
| 1785 | object_register_sugar_prop(ACCEL_CLASS_NAME("whpx"), "kernel-irqchip", value, |
| 1786 | false); |
| 1787 | object_register_sugar_prop(ACCEL_CLASS_NAME("hvf"), "kernel-irqchip", value, |
| 1788 | false); |
| 1789 | qdict_del(qdict, "kernel-irqchip"); |
| 1790 | } |
| 1791 | |
| 1792 | value = qdict_get_try_str(qdict, "memory-backend"); |
| 1793 | if (value) { |
| 1794 | if (mem_path) { |
| 1795 | error_report("'-mem-path' can't be used together with" |
| 1796 | "'-machine memory-backend'"); |
| 1797 | exit(EXIT_FAILURE); |
| 1798 | } |
| 1799 | |
| 1800 | /* Resolved later. */ |
| 1801 | ram_memdev_id = g_strdup(value); |
| 1802 | qdict_del(qdict, "memory-backend"); |
| 1803 | } |
| 1804 | |
| 1805 | prop = qdict_get(qdict, "memory"); |
| 1806 | if (prop) { |
| 1807 | have_custom_ram_size = |
| 1808 | qobject_type(prop) == QTYPE_QDICT && |
| 1809 | qdict_haskey(qobject_to(QDict, prop), "size"); |
| 1810 | } |
| 1811 | } |
| 1812 | |
| 1813 | static void object_option_foreach_add(bool (*type_opt_predicate)(const char *)) |
| 1814 | { |
| 1815 | ObjectOption *opt, *next; |
| 1816 | |
| 1817 | QTAILQ_FOREACH_SAFE(opt, &object_opts, next, next) { |
| 1818 | const char *type = ObjectType_str(opt->opts->qom_type); |
| 1819 | if (type_opt_predicate(type)) { |
| 1820 | user_creatable_add_qapi(opt->opts, &error_fatal); |
| 1821 | qapi_free_ObjectOptions(opt->opts); |
| 1822 | QTAILQ_REMOVE(&object_opts, opt, next); |
| 1823 | g_free(opt); |
| 1824 | } |
| 1825 | } |
| 1826 | } |
| 1827 | |
| 1828 | static void object_option_add_visitor(Visitor *v) |
| 1829 | { |
| 1830 | ObjectOption *opt = g_new0(ObjectOption, 1); |
| 1831 | visit_type_ObjectOptions(v, NULL, &opt->opts, &error_fatal); |
| 1832 | if (opt->opts->qom_type == OBJECT_TYPE_MONITOR_HMP || |
| 1833 | opt->opts->qom_type == OBJECT_TYPE_MONITOR_QMP) { |
| 1834 | default_monitor = 0; |
| 1835 | } |
| 1836 | QTAILQ_INSERT_TAIL(&object_opts, opt, next); |
| 1837 | } |
| 1838 | |
| 1839 | static void incoming_option_parse(const char *str) |
| 1840 | { |
| 1841 | MigrationChannelType type = MIGRATION_CHANNEL_TYPE_MAIN; |
| 1842 | MigrationChannel *channel; |
| 1843 | Visitor *v; |
| 1844 | |
| 1845 | if (!strcmp(str, "defer")) { |
| 1846 | channel = NULL; |
| 1847 | } else if (migrate_is_uri(str)) { |
| 1848 | migrate_uri_parse(str, &channel, &error_fatal); |
| 1849 | } else { |
| 1850 | v = qobject_input_visitor_new_str(str, "channel-type", &error_fatal); |
| 1851 | visit_type_MigrationChannel(v, NULL, &channel, &error_fatal); |
| 1852 | visit_free(v); |
| 1853 | type = channel->channel_type; |
| 1854 | } |
| 1855 | |
| 1856 | /* New incoming spec replaces the previous */ |
| 1857 | qapi_free_MigrationChannel(incoming_channels[type]); |
| 1858 | incoming_channels[type] = channel; |
| 1859 | incoming_str[type] = str; |
| 1860 | incoming = incoming_str[MIGRATION_CHANNEL_TYPE_MAIN]; |
| 1861 | } |
| 1862 | |
| 1863 | static void object_option_parse(const char *str) |
| 1864 | { |
| 1865 | QemuOpts *opts; |
| 1866 | const char *type; |
| 1867 | Visitor *v; |
| 1868 | |
| 1869 | if (str[0] == '{') { |
| 1870 | QObject *obj = qobject_from_json(str, &error_fatal); |
| 1871 | |
| 1872 | v = qobject_input_visitor_new(obj); |
| 1873 | qobject_unref(obj); |
| 1874 | } else { |
| 1875 | opts = qemu_opts_parse_noisily(qemu_find_opts("object"), |
| 1876 | str, true); |
| 1877 | if (!opts) { |
| 1878 | exit(1); |
| 1879 | } |
| 1880 | |
| 1881 | type = qemu_opt_get(opts, "qom-type"); |
| 1882 | if (!type) { |
| 1883 | error_report(QERR_MISSING_PARAMETER, "qom-type"); |
| 1884 | exit(1); |
| 1885 | } |
| 1886 | if (user_creatable_print_help(type, opts)) { |
| 1887 | exit(0); |
| 1888 | } |
| 1889 | |
| 1890 | v = opts_visitor_new(opts); |
| 1891 | } |
| 1892 | |
| 1893 | object_option_add_visitor(v); |
| 1894 | visit_free(v); |
| 1895 | } |
| 1896 | |
| 1897 | static void overcommit_parse(const char *str) |
| 1898 | { |
| 1899 | QemuOpts *opts; |
| 1900 | const char *mem_lock_opt; |
| 1901 | |
| 1902 | opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"), |
| 1903 | str, false); |
| 1904 | if (!opts) { |
| 1905 | exit(1); |
| 1906 | } |
| 1907 | |
| 1908 | enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", enable_cpu_pm); |
| 1909 | |
| 1910 | mem_lock_opt = qemu_opt_get(opts, "mem-lock"); |
| 1911 | if (!mem_lock_opt) { |
| 1912 | return; |
| 1913 | } |
| 1914 | |
| 1915 | if (strcmp(mem_lock_opt, "on") == 0) { |
| 1916 | mlock_state = MLOCK_ON; |
| 1917 | return; |
| 1918 | } |
| 1919 | |
| 1920 | if (strcmp(mem_lock_opt, "off") == 0) { |
| 1921 | mlock_state = MLOCK_OFF; |
| 1922 | return; |
| 1923 | } |
| 1924 | |
| 1925 | if (strcmp(mem_lock_opt, "on-fault") == 0) { |
| 1926 | mlock_state = MLOCK_ON_FAULT; |
| 1927 | return; |
| 1928 | } |
| 1929 | |
| 1930 | error_report("parameter 'mem-lock' expects one of " |
| 1931 | "'on', 'off', 'on-fault'"); |
| 1932 | exit(1); |
| 1933 | } |
| 1934 | |
| 1935 | /* |
| 1936 | * Very early object creation, before the sandbox options have been activated. |
| 1937 | */ |
| 1938 | static bool object_create_pre_sandbox(const char *type) |
| 1939 | { |
| 1940 | /* |
| 1941 | * Objects should in general not get initialized "too early" without |
| 1942 | * a reason. If you add one, state the reason in a comment! |
| 1943 | */ |
| 1944 | |
| 1945 | /* |
| 1946 | * Reason: -sandbox on,resourcecontrol=deny disallows setting CPU |
| 1947 | * affinity of threads. |
| 1948 | */ |
| 1949 | if (g_str_equal(type, "thread-context")) { |
| 1950 | return true; |
| 1951 | } |
| 1952 | |
| 1953 | return false; |
| 1954 | } |
| 1955 | |
| 1956 | /* |
| 1957 | * Initial object creation happens before all other |
| 1958 | * QEMU data types are created. The majority of objects |
| 1959 | * can be created at this point. The rng-egd object |
| 1960 | * cannot be created here, as it depends on the chardev |
| 1961 | * already existing. |
| 1962 | */ |
| 1963 | static bool object_create_early(const char *type) |
| 1964 | { |
| 1965 | /* |
| 1966 | * Objects should not be made "delayed" without a reason. If you |
| 1967 | * add one, state the reason in a comment! |
| 1968 | */ |
| 1969 | |
| 1970 | /* Reason: already created. */ |
| 1971 | if (object_create_pre_sandbox(type)) { |
| 1972 | return false; |
| 1973 | } |
| 1974 | |
| 1975 | /* Reason: property "chardev" */ |
| 1976 | if (g_str_equal(type, "rng-egd") || |
| 1977 | g_str_equal(type, "qtest") || |
| 1978 | g_str_equal(type, "monitor-hmp") || |
| 1979 | g_str_equal(type, "monitor-qmp")) { |
| 1980 | return false; |
| 1981 | } |
| 1982 | |
| 1983 | #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) |
| 1984 | /* Reason: cryptodev-vhost-user property "chardev" */ |
| 1985 | if (g_str_equal(type, "cryptodev-vhost-user")) { |
| 1986 | return false; |
| 1987 | } |
| 1988 | #endif |
| 1989 | |
| 1990 | /* Reason: vhost-user-blk-server property "node-name" */ |
| 1991 | if (g_str_equal(type, "vhost-user-blk-server")) { |
| 1992 | return false; |
| 1993 | } |
| 1994 | /* |
| 1995 | * Reason: filter-* property "netdev" etc. |
| 1996 | */ |
| 1997 | if (g_str_equal(type, "filter-buffer") || |
| 1998 | g_str_equal(type, "filter-dump") || |
| 1999 | g_str_equal(type, "filter-mirror") || |
| 2000 | g_str_equal(type, "filter-redirector") || |
| 2001 | g_str_equal(type, "colo-compare") || |
| 2002 | g_str_equal(type, "filter-rewriter") || |
| 2003 | g_str_equal(type, "filter-replay")) { |
| 2004 | return false; |
| 2005 | } |
| 2006 | |
| 2007 | /* |
| 2008 | * Allocation of large amounts of memory may delay |
| 2009 | * chardev initialization for too long, and trigger timeouts |
| 2010 | * on software that waits for a monitor socket to be created |
| 2011 | */ |
| 2012 | if (g_str_has_prefix(type, "memory-backend-")) { |
| 2013 | return false; |
| 2014 | } |
| 2015 | |
| 2016 | return true; |
| 2017 | } |
| 2018 | |
| 2019 | static void qemu_apply_machine_options(QDict *qdict) |
| 2020 | { |
| 2021 | object_set_props_from_keyval(OBJECT(current_machine), qdict, |
| 2022 | false, &error_fatal); |
| 2023 | |
| 2024 | if (semihosting_enabled(false) && !semihosting_get_argc()) { |
| 2025 | /* fall back to the -kernel/-append */ |
| 2026 | semihosting_arg_fallback(current_machine->kernel_filename, current_machine->kernel_cmdline); |
| 2027 | } |
| 2028 | |
| 2029 | if (current_machine->smp.cpus > 1) { |
| 2030 | replay_add_blocker("multiple CPUs"); |
| 2031 | } |
| 2032 | } |
| 2033 | |
| 2034 | static void qemu_create_early_backends(void) |
| 2035 | { |
| 2036 | MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); |
| 2037 | #if defined(CONFIG_SDL) |
| 2038 | const bool use_sdl = (dpy.type == DISPLAY_TYPE_SDL); |
| 2039 | #else |
| 2040 | const bool use_sdl = false; |
| 2041 | #endif |
| 2042 | #if defined(CONFIG_GTK) |
| 2043 | const bool use_gtk = (dpy.type == DISPLAY_TYPE_GTK); |
| 2044 | #else |
| 2045 | const bool use_gtk = false; |
| 2046 | #endif |
| 2047 | |
| 2048 | if (dpy.has_window_close && !use_gtk && !use_sdl) { |
| 2049 | error_report("window-close is only valid for GTK and SDL, " |
| 2050 | "ignoring option"); |
| 2051 | } |
| 2052 | |
| 2053 | qemu_console_early_init(); |
| 2054 | |
| 2055 | if (dpy.has_gl && dpy.gl != DISPLAY_GL_MODE_OFF && display_opengl == 0) { |
| 2056 | #if defined(CONFIG_OPENGL) |
| 2057 | error_report("OpenGL is not supported by display backend '%s'", |
| 2058 | DisplayType_str(dpy.type)); |
| 2059 | #else |
| 2060 | error_report("OpenGL support was not enabled in this build of QEMU"); |
| 2061 | #endif |
| 2062 | exit(1); |
| 2063 | } |
| 2064 | |
| 2065 | object_option_foreach_add(object_create_early); |
| 2066 | |
| 2067 | /* spice needs the timers to be initialized by this point */ |
| 2068 | /* spice must initialize before audio as it changes the default audiodev */ |
| 2069 | /* spice must initialize before chardevs (for spicevmc and spiceport) */ |
| 2070 | qemu_spice.init(); |
| 2071 | |
| 2072 | qemu_opts_foreach(qemu_find_opts("chardev"), |
| 2073 | chardev_init_func, NULL, &error_fatal); |
| 2074 | |
| 2075 | #ifdef CONFIG_VIRTFS |
| 2076 | qemu_opts_foreach(qemu_find_opts("fsdev"), |
| 2077 | fsdev_init_func, NULL, &error_fatal); |
| 2078 | #endif |
| 2079 | |
| 2080 | /* |
| 2081 | * Note: we need to create audio and block backends before |
| 2082 | * setting machine properties, so they can be referred to. |
| 2083 | */ |
| 2084 | configure_blockdev(&bdo_queue, machine_class, snapshot); |
| 2085 | audio_init_audiodevs(); |
| 2086 | if (default_audio) { |
| 2087 | audio_create_default_audiodevs(); |
| 2088 | } |
| 2089 | } |
| 2090 | |
| 2091 | |
| 2092 | /* |
| 2093 | * The remainder of object creation happens after the |
| 2094 | * creation of chardev, fsdev, net clients and device data types. |
| 2095 | */ |
| 2096 | static bool object_create_late(const char *type) |
| 2097 | { |
| 2098 | return !object_create_early(type) && !object_create_pre_sandbox(type); |
| 2099 | } |
| 2100 | |
| 2101 | static void qemu_create_late_backends(void) |
| 2102 | { |
| 2103 | if (qtest_chrdev) { |
| 2104 | qtest_server_init(qtest_chrdev, qtest_log, &error_fatal); |
| 2105 | } |
| 2106 | |
| 2107 | net_init_clients(); |
| 2108 | |
| 2109 | object_option_foreach_add(object_create_late); |
| 2110 | |
| 2111 | /* |
| 2112 | * Wait for any outstanding memory prealloc from created memory |
| 2113 | * backends to complete. |
| 2114 | */ |
| 2115 | if (!qemu_finish_async_prealloc_mem(&error_fatal)) { |
| 2116 | exit(1); |
| 2117 | } |
| 2118 | |
| 2119 | if (tpm_init() < 0) { |
| 2120 | exit(1); |
| 2121 | } |
| 2122 | |
| 2123 | qemu_opts_foreach(qemu_find_opts("mon"), |
| 2124 | mon_init_func, NULL, &error_fatal); |
| 2125 | |
| 2126 | foreach_device_config_or_exit(DEV_SERIAL, serial_parse); |
| 2127 | foreach_device_config_or_exit(DEV_PARALLEL, parallel_parse); |
| 2128 | foreach_device_config_or_exit(DEV_DEBUGCON, debugcon_parse); |
| 2129 | |
| 2130 | /* now chardevs have been created we may have semihosting to connect */ |
| 2131 | qemu_semihosting_chardev_init(); |
| 2132 | } |
| 2133 | |
| 2134 | static void qemu_resolve_machine_memdev(void) |
| 2135 | { |
| 2136 | if (ram_memdev_id) { |
| 2137 | Object *backend; |
| 2138 | ram_addr_t backend_size; |
| 2139 | |
| 2140 | backend = object_resolve_path_type(ram_memdev_id, |
| 2141 | TYPE_MEMORY_BACKEND, NULL); |
| 2142 | if (!backend) { |
| 2143 | error_report("Memory backend '%s' not found", ram_memdev_id); |
| 2144 | exit(EXIT_FAILURE); |
| 2145 | } |
| 2146 | if (!have_custom_ram_size) { |
| 2147 | backend_size = object_property_get_uint(backend, "size", &error_abort); |
| 2148 | current_machine->ram_size = backend_size; |
| 2149 | } |
| 2150 | object_property_set_link(OBJECT(current_machine), |
| 2151 | "memory-backend", backend, &error_fatal); |
| 2152 | } |
| 2153 | } |
| 2154 | |
| 2155 | static void parse_memory_options(void) |
| 2156 | { |
| 2157 | QemuOpts *opts = qemu_find_opts_singleton("memory"); |
| 2158 | QDict *dict, *prop; |
| 2159 | const char *mem_str; |
| 2160 | Location loc; |
| 2161 | |
| 2162 | loc_push_none(&loc); |
| 2163 | qemu_opts_loc_restore(opts); |
| 2164 | |
| 2165 | prop = qdict_new(); |
| 2166 | |
| 2167 | if (qemu_opt_get_size(opts, "size", 0) != 0) { |
| 2168 | /* Fix up legacy suffix-less format */ |
| 2169 | mem_str = qemu_opt_get(opts, "size"); |
| 2170 | if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { |
| 2171 | g_autofree char *mib_str = g_strdup_printf("%sM", mem_str); |
| 2172 | qdict_put_str(prop, "size", mib_str); |
| 2173 | } else { |
| 2174 | qdict_put_str(prop, "size", mem_str); |
| 2175 | } |
| 2176 | } |
| 2177 | |
| 2178 | if (qemu_opt_get(opts, "maxmem")) { |
| 2179 | qdict_put_str(prop, "max-size", qemu_opt_get(opts, "maxmem")); |
| 2180 | } |
| 2181 | if (qemu_opt_get(opts, "slots")) { |
| 2182 | qdict_put_str(prop, "slots", qemu_opt_get(opts, "slots")); |
| 2183 | } |
| 2184 | |
| 2185 | dict = qdict_new(); |
| 2186 | qdict_put(dict, "memory", prop); |
| 2187 | keyval_merge(machine_opts_dict, dict, &error_fatal); |
| 2188 | qobject_unref(dict); |
| 2189 | loc_pop(&loc); |
| 2190 | } |
| 2191 | |
| 2192 | static void qemu_create_machine_containers(Object *machine) |
| 2193 | { |
| 2194 | static const char *const containers[] = { |
| 2195 | "unattached", |
| 2196 | "peripheral", |
| 2197 | "peripheral-anon", |
| 2198 | }; |
| 2199 | |
| 2200 | for (unsigned i = 0; i < ARRAY_SIZE(containers); i++) { |
| 2201 | object_property_add_new_container(machine, containers[i]); |
| 2202 | } |
| 2203 | } |
| 2204 | |
| 2205 | static void qemu_create_machine(QDict *qdict) |
| 2206 | { |
| 2207 | MachineClass *machine_class = select_machine(qdict, &error_fatal); |
| 2208 | object_set_machine_compat_props(machine_class->compat_props); |
| 2209 | |
| 2210 | current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class))); |
| 2211 | object_property_add_child(object_get_root(), "machine", |
| 2212 | OBJECT(current_machine)); |
| 2213 | qemu_create_machine_containers(OBJECT(current_machine)); |
| 2214 | object_property_add_child(machine_get_container("unattached"), |
| 2215 | "sysbus", OBJECT(sysbus_get_default())); |
| 2216 | |
| 2217 | if (machine_class->minimum_page_bits) { |
| 2218 | if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) { |
| 2219 | /* This would be a board error: specifying a minimum smaller than |
| 2220 | * a target's compile-time fixed setting. |
| 2221 | */ |
| 2222 | g_assert_not_reached(); |
| 2223 | } |
| 2224 | } |
| 2225 | |
| 2226 | machine_memory_init(); |
| 2227 | |
| 2228 | /* |
| 2229 | * Get the default machine options from the machine if it is not already |
| 2230 | * specified either by the configuration file or by the command line. |
| 2231 | */ |
| 2232 | if (machine_class->default_machine_opts) { |
| 2233 | QDict *default_opts = |
| 2234 | keyval_parse(machine_class->default_machine_opts, NULL, NULL, |
| 2235 | &error_abort); |
| 2236 | qemu_apply_legacy_machine_options(default_opts); |
| 2237 | object_set_props_from_keyval(OBJECT(current_machine), default_opts, |
| 2238 | false, &error_abort); |
| 2239 | qobject_unref(default_opts); |
| 2240 | } |
| 2241 | } |
| 2242 | |
| 2243 | static int global_init_func(void *opaque, QemuOpts *opts, Error **errp) |
| 2244 | { |
| 2245 | GlobalProperty *g; |
| 2246 | |
| 2247 | g = g_malloc0(sizeof(*g)); |
| 2248 | g->driver = qemu_opt_get(opts, "driver"); |
| 2249 | g->property = qemu_opt_get(opts, "property"); |
| 2250 | g->value = qemu_opt_get(opts, "value"); |
| 2251 | qdev_prop_register_global(g); |
| 2252 | return 0; |
| 2253 | } |
| 2254 | |
| 2255 | /* |
| 2256 | * Return whether configuration group @group is stored in QemuOpts, or |
| 2257 | * recorded as one or more QDicts by qemu_record_config_group. |
| 2258 | */ |
| 2259 | static bool is_qemuopts_group(const char *group) |
| 2260 | { |
| 2261 | if (g_str_equal(group, "object") || |
| 2262 | g_str_equal(group, "audiodev") || |
| 2263 | g_str_equal(group, "machine") || |
| 2264 | g_str_equal(group, "smp-opts") || |
| 2265 | g_str_equal(group, "boot-opts")) { |
| 2266 | return false; |
| 2267 | } |
| 2268 | return true; |
| 2269 | } |
| 2270 | |
| 2271 | static void qemu_record_config_group(const char *group, QDict *dict, |
| 2272 | bool from_json, Error **errp) |
| 2273 | { |
| 2274 | if (g_str_equal(group, "object")) { |
| 2275 | Visitor *v = qobject_input_visitor_new_keyval(QOBJECT(dict)); |
| 2276 | object_option_add_visitor(v); |
| 2277 | visit_free(v); |
| 2278 | |
| 2279 | } else if (g_str_equal(group, "audiodev")) { |
| 2280 | Audiodev *dev = NULL; |
| 2281 | Visitor *v = qobject_input_visitor_new_keyval(QOBJECT(dict)); |
| 2282 | if (visit_type_Audiodev(v, NULL, &dev, errp)) { |
| 2283 | audio_add_audiodev(dev); |
| 2284 | } |
| 2285 | visit_free(v); |
| 2286 | |
| 2287 | } else if (g_str_equal(group, "machine")) { |
| 2288 | /* |
| 2289 | * Cannot merge string-valued and type-safe dictionaries, so JSON |
| 2290 | * is not accepted yet for -M. |
| 2291 | */ |
| 2292 | assert(!from_json); |
| 2293 | keyval_merge(machine_opts_dict, dict, errp); |
| 2294 | } else if (g_str_equal(group, "smp-opts")) { |
| 2295 | machine_merge_property("smp", dict, &error_fatal); |
| 2296 | } else if (g_str_equal(group, "boot-opts")) { |
| 2297 | machine_merge_property("boot", dict, &error_fatal); |
| 2298 | } else { |
| 2299 | abort(); |
| 2300 | } |
| 2301 | } |
| 2302 | |
| 2303 | /* |
| 2304 | * Parse non-QemuOpts config file groups, pass the rest to |
| 2305 | * qemu_config_do_parse. |
| 2306 | */ |
| 2307 | static void qemu_parse_config_group(const char *group, QDict *qdict, |
| 2308 | void *opaque, Error **errp) |
| 2309 | { |
| 2310 | QObject *crumpled; |
| 2311 | if (is_qemuopts_group(group)) { |
| 2312 | qemu_config_do_parse(group, qdict, opaque, errp); |
| 2313 | return; |
| 2314 | } |
| 2315 | |
| 2316 | crumpled = qdict_crumple(qdict, errp); |
| 2317 | if (!crumpled) { |
| 2318 | return; |
| 2319 | } |
| 2320 | switch (qobject_type(crumpled)) { |
| 2321 | case QTYPE_QDICT: |
| 2322 | qemu_record_config_group(group, qobject_to(QDict, crumpled), false, errp); |
| 2323 | break; |
| 2324 | case QTYPE_QLIST: |
| 2325 | error_setg(errp, "Lists cannot be at top level of a configuration section"); |
| 2326 | break; |
| 2327 | default: |
| 2328 | g_assert_not_reached(); |
| 2329 | } |
| 2330 | qobject_unref(crumpled); |
| 2331 | } |
| 2332 | |
| 2333 | static void qemu_read_default_config_file(Error **errp) |
| 2334 | { |
| 2335 | ERRP_GUARD(); |
| 2336 | int ret; |
| 2337 | g_autofree char *file = get_relocated_path(CONFIG_QEMU_CONFDIR "/qemu.conf"); |
| 2338 | |
| 2339 | ret = qemu_read_config_file(file, qemu_parse_config_group, errp); |
| 2340 | if (ret < 0) { |
| 2341 | if (ret == -ENOENT) { |
| 2342 | error_free(*errp); |
| 2343 | *errp = NULL; |
| 2344 | } |
| 2345 | } |
| 2346 | } |
| 2347 | |
| 2348 | static void qemu_set_option(const char *str, Error **errp) |
| 2349 | { |
| 2350 | char group[64], id[64], arg[64]; |
| 2351 | QemuOptsList *list; |
| 2352 | QemuOpts *opts; |
| 2353 | int rc, offset; |
| 2354 | |
| 2355 | rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset); |
| 2356 | if (rc < 3 || str[offset] != '=') { |
| 2357 | error_setg(errp, "can't parse: \"%s\"", str); |
| 2358 | return; |
| 2359 | } |
| 2360 | |
| 2361 | if (!is_qemuopts_group(group)) { |
| 2362 | error_setg(errp, "-set is not supported with %s", group); |
| 2363 | } else { |
| 2364 | list = qemu_find_opts_err(group, errp); |
| 2365 | if (list) { |
| 2366 | opts = qemu_opts_find(list, id); |
| 2367 | if (!opts) { |
| 2368 | error_setg(errp, "there is no %s \"%s\" defined", group, id); |
| 2369 | return; |
| 2370 | } |
| 2371 | qemu_opt_set(opts, arg, str + offset + 1, errp); |
| 2372 | } |
| 2373 | } |
| 2374 | } |
| 2375 | |
| 2376 | static void user_register_global_props(void) |
| 2377 | { |
| 2378 | qemu_opts_foreach(qemu_find_opts("global"), |
| 2379 | global_init_func, NULL, NULL); |
| 2380 | } |
| 2381 | |
| 2382 | static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp) |
| 2383 | { |
| 2384 | return !icount_configure(opts, errp); |
| 2385 | } |
| 2386 | |
| 2387 | static int accelerator_set_property(void *opaque, |
| 2388 | const char *name, const char *value, |
| 2389 | Error **errp) |
| 2390 | { |
| 2391 | return object_parse_property_opt(opaque, name, value, "accel", errp); |
| 2392 | } |
| 2393 | |
| 2394 | static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp) |
| 2395 | { |
| 2396 | bool *p_init_failed = opaque; |
| 2397 | const char *acc = qemu_opt_get(opts, "accel"); |
| 2398 | AccelClass *ac = accel_find(acc); |
| 2399 | AccelState *accel; |
| 2400 | int ret; |
| 2401 | bool qtest_with_kvm; |
| 2402 | |
| 2403 | if (!acc) { |
| 2404 | error_setg(errp, QERR_MISSING_PARAMETER, "accel"); |
| 2405 | goto bad; |
| 2406 | } |
| 2407 | |
| 2408 | qtest_with_kvm = g_str_equal(acc, "kvm") && qtest_chrdev != NULL; |
| 2409 | |
| 2410 | if (!ac) { |
| 2411 | if (!qtest_with_kvm) { |
| 2412 | error_report("invalid accelerator %s", acc); |
| 2413 | } |
| 2414 | goto bad; |
| 2415 | } |
| 2416 | accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac))); |
| 2417 | object_apply_compat_props(OBJECT(accel)); |
| 2418 | qemu_opt_foreach(opts, accelerator_set_property, |
| 2419 | accel, |
| 2420 | &error_fatal); |
| 2421 | |
| 2422 | ret = accel_init_machine(accel, current_machine); |
| 2423 | if (ret < 0) { |
| 2424 | if (!qtest_with_kvm || ret != -ENOENT) { |
| 2425 | error_report("failed to initialize %s: %s", acc, strerror(-ret)); |
| 2426 | } |
| 2427 | goto bad; |
| 2428 | } |
| 2429 | |
| 2430 | return 1; |
| 2431 | |
| 2432 | bad: |
| 2433 | *p_init_failed = true; |
| 2434 | return 0; |
| 2435 | } |
| 2436 | |
| 2437 | static void configure_accelerators(const char *progname) |
| 2438 | { |
| 2439 | bool init_failed = false; |
| 2440 | |
| 2441 | qemu_opts_foreach(qemu_find_opts("icount"), |
| 2442 | do_configure_icount, NULL, &error_fatal); |
| 2443 | |
| 2444 | if (QTAILQ_EMPTY(&qemu_accel_opts.head)) { |
| 2445 | char **accel_list, **tmp; |
| 2446 | |
| 2447 | if (accelerators == NULL) { |
| 2448 | /* Select the default accelerator */ |
| 2449 | bool have_tcg = accel_find("tcg"); |
| 2450 | bool have_kvm = accel_find("kvm"); |
| 2451 | bool have_hvf = accel_find("hvf"); |
| 2452 | |
| 2453 | if (have_tcg && have_kvm) { |
| 2454 | if (g_str_has_suffix(progname, "kvm")) { |
| 2455 | /* If the program name ends with "kvm", we prefer KVM */ |
| 2456 | accelerators = "kvm:tcg"; |
| 2457 | } else { |
| 2458 | accelerators = "tcg:kvm"; |
| 2459 | } |
| 2460 | } else if (have_kvm) { |
| 2461 | accelerators = "kvm"; |
| 2462 | } else if (have_tcg) { |
| 2463 | accelerators = "tcg"; |
| 2464 | } else if (have_hvf) { |
| 2465 | accelerators = "hvf"; |
| 2466 | } else { |
| 2467 | error_report("No accelerator selected and" |
| 2468 | " no default accelerator available"); |
| 2469 | exit(1); |
| 2470 | } |
| 2471 | } |
| 2472 | accel_list = g_strsplit(accelerators, ":", 0); |
| 2473 | |
| 2474 | for (tmp = accel_list; *tmp; tmp++) { |
| 2475 | /* |
| 2476 | * Filter invalid accelerators here, to prevent obscenities |
| 2477 | * such as "-machine accel=tcg,,thread=single". |
| 2478 | */ |
| 2479 | if (accel_find(*tmp)) { |
| 2480 | qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true); |
| 2481 | } else { |
| 2482 | init_failed = true; |
| 2483 | error_report("invalid accelerator %s", *tmp); |
| 2484 | } |
| 2485 | } |
| 2486 | g_strfreev(accel_list); |
| 2487 | } else { |
| 2488 | if (accelerators != NULL) { |
| 2489 | error_report("The -accel and \"-machine accel=\" options are incompatible"); |
| 2490 | exit(1); |
| 2491 | } |
| 2492 | } |
| 2493 | |
| 2494 | if (!qemu_opts_foreach(qemu_find_opts("accel"), |
| 2495 | do_configure_accelerator, &init_failed, &error_fatal)) { |
| 2496 | if (!init_failed) { |
| 2497 | error_report("no accelerator found"); |
| 2498 | } |
| 2499 | exit(1); |
| 2500 | } |
| 2501 | |
| 2502 | if (init_failed && !qtest_chrdev) { |
| 2503 | error_report("falling back to %s", current_accel_name()); |
| 2504 | } |
| 2505 | |
| 2506 | if (icount_enabled() && !tcg_enabled()) { |
| 2507 | error_report("-icount is not allowed with hardware virtualization"); |
| 2508 | exit(1); |
| 2509 | } |
| 2510 | } |
| 2511 | |
| 2512 | static void qemu_validate_options(const QDict *machine_opts) |
| 2513 | { |
| 2514 | const char *kernel_filename = qdict_get_try_str(machine_opts, "kernel"); |
| 2515 | const char *shim_filename = qdict_get_try_str(machine_opts, "shim"); |
| 2516 | const char *initrd_filename = qdict_get_try_str(machine_opts, "initrd"); |
| 2517 | const char *kernel_cmdline = qdict_get_try_str(machine_opts, "append"); |
| 2518 | |
| 2519 | if (kernel_filename == NULL) { |
| 2520 | if (kernel_cmdline != NULL) { |
| 2521 | error_report("-append only allowed with -kernel option"); |
| 2522 | exit(1); |
| 2523 | } |
| 2524 | |
| 2525 | if (shim_filename != NULL) { |
| 2526 | error_report("-shim only allowed with -kernel option"); |
| 2527 | exit(1); |
| 2528 | } |
| 2529 | |
| 2530 | if (initrd_filename != NULL) { |
| 2531 | error_report("-initrd only allowed with -kernel option"); |
| 2532 | exit(1); |
| 2533 | } |
| 2534 | } |
| 2535 | |
| 2536 | if (loadvm && incoming) { |
| 2537 | error_report("'incoming' and 'loadvm' options are mutually exclusive"); |
| 2538 | exit(EXIT_FAILURE); |
| 2539 | } |
| 2540 | if (loadvm && preconfig_requested) { |
| 2541 | error_report("'preconfig' and 'loadvm' options are " |
| 2542 | "mutually exclusive"); |
| 2543 | exit(EXIT_FAILURE); |
| 2544 | } |
| 2545 | if (incoming && preconfig_requested && strcmp(incoming, "defer") != 0) { |
| 2546 | error_report("'preconfig' supports '-incoming defer' only"); |
| 2547 | exit(EXIT_FAILURE); |
| 2548 | } |
| 2549 | |
| 2550 | #ifdef CONFIG_CURSES |
| 2551 | if (is_daemonized() && dpy.type == DISPLAY_TYPE_CURSES) { |
| 2552 | error_report("curses display cannot be used with -daemonize"); |
| 2553 | exit(1); |
| 2554 | } |
| 2555 | #endif |
| 2556 | } |
| 2557 | |
| 2558 | static void qemu_process_sugar_options(void) |
| 2559 | { |
| 2560 | if (mem_prealloc) { |
| 2561 | QObject *smp = qdict_get(machine_opts_dict, "smp"); |
| 2562 | if (smp && qobject_type(smp) == QTYPE_QDICT) { |
| 2563 | QObject *cpus = qdict_get(qobject_to(QDict, smp), "cpus"); |
| 2564 | if (cpus && qobject_type(cpus) == QTYPE_QSTRING) { |
| 2565 | const char *val = qstring_get_str(qobject_to(QString, cpus)); |
| 2566 | object_register_sugar_prop("memory-backend", "prealloc-threads", |
| 2567 | val, false); |
| 2568 | } |
| 2569 | } |
| 2570 | object_register_sugar_prop("memory-backend", "prealloc", "on", false); |
| 2571 | } |
| 2572 | } |
| 2573 | |
| 2574 | /* -action processing */ |
| 2575 | |
| 2576 | /* |
| 2577 | * Process all the -action parameters parsed from cmdline. |
| 2578 | */ |
| 2579 | static int process_runstate_actions(void *opaque, QemuOpts *opts, Error **errp) |
| 2580 | { |
| 2581 | Error *local_err = NULL; |
| 2582 | QDict *qdict = qemu_opts_to_qdict(opts, NULL); |
| 2583 | QObject *ret = NULL; |
| 2584 | qmp_marshal_set_action(qdict, &ret, &local_err); |
| 2585 | qobject_unref(ret); |
| 2586 | qobject_unref(qdict); |
| 2587 | if (local_err) { |
| 2588 | error_propagate(errp, local_err); |
| 2589 | return 1; |
| 2590 | } |
| 2591 | return 0; |
| 2592 | } |
| 2593 | |
| 2594 | static void qemu_process_early_options(void) |
| 2595 | { |
| 2596 | qemu_opts_foreach(qemu_find_opts("name"), |
| 2597 | parse_name, NULL, &error_fatal); |
| 2598 | |
| 2599 | object_option_foreach_add(object_create_pre_sandbox); |
| 2600 | |
| 2601 | #ifdef CONFIG_SECCOMP |
| 2602 | QemuOptsList *olist = qemu_find_opts_err("sandbox", NULL); |
| 2603 | if (olist) { |
| 2604 | qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal); |
| 2605 | } |
| 2606 | #endif |
| 2607 | |
| 2608 | if (qemu_opts_foreach(qemu_find_opts("action"), |
| 2609 | process_runstate_actions, NULL, &error_fatal)) { |
| 2610 | exit(1); |
| 2611 | } |
| 2612 | |
| 2613 | #ifndef _WIN32 |
| 2614 | qemu_opts_foreach(qemu_find_opts("add-fd"), |
| 2615 | parse_add_fd, NULL, &error_fatal); |
| 2616 | |
| 2617 | qemu_opts_foreach(qemu_find_opts("add-fd"), |
| 2618 | cleanup_add_fd, NULL, &error_fatal); |
| 2619 | #endif |
| 2620 | |
| 2621 | /* Open the logfile at this point and set the log mask if necessary. */ |
| 2622 | { |
| 2623 | int mask = 0; |
| 2624 | if (log_mask) { |
| 2625 | mask = qemu_str_to_log_mask(log_mask); |
| 2626 | if (!mask) { |
| 2627 | qemu_print_log_usage(stdout); |
| 2628 | exit(1); |
| 2629 | } |
| 2630 | } |
| 2631 | qemu_set_log_filename_flags(log_file, mask, &error_fatal); |
| 2632 | } |
| 2633 | |
| 2634 | qemu_add_default_firmwarepath(); |
| 2635 | } |
| 2636 | |
| 2637 | static void qemu_process_help_options(void) |
| 2638 | { |
| 2639 | /* |
| 2640 | * Check for -cpu help and -device help before we call select_machine(), |
| 2641 | * which will return an error if the architecture has no default machine |
| 2642 | * type and the user did not specify one, so that the user doesn't need |
| 2643 | * to say '-cpu help -machine something'. |
| 2644 | */ |
| 2645 | if (cpu_option && is_help_option(cpu_option)) { |
| 2646 | list_cpus(); |
| 2647 | exit(0); |
| 2648 | } |
| 2649 | |
| 2650 | if (qemu_opts_foreach(qemu_find_opts("device"), |
| 2651 | device_help_func, NULL, NULL)) { |
| 2652 | exit(0); |
| 2653 | } |
| 2654 | |
| 2655 | /* -L help lists the data directories and exits. */ |
| 2656 | if (list_data_dirs) { |
| 2657 | qemu_list_data_dirs(); |
| 2658 | exit(0); |
| 2659 | } |
| 2660 | } |
| 2661 | |
| 2662 | static void qemu_maybe_daemonize(const char *pid_file) |
| 2663 | { |
| 2664 | Error *err = NULL; |
| 2665 | |
| 2666 | os_daemonize(); |
| 2667 | rcu_disable_atfork(); |
| 2668 | |
| 2669 | if (pid_file) { |
| 2670 | char *pid_file_realpath = NULL; |
| 2671 | |
| 2672 | if (!qemu_write_pidfile(pid_file, &err)) { |
| 2673 | error_reportf_err(err, "cannot create PID file: "); |
| 2674 | exit(1); |
| 2675 | } |
| 2676 | |
| 2677 | pid_file_realpath = g_malloc0(PATH_MAX); |
| 2678 | if (!realpath(pid_file, pid_file_realpath)) { |
| 2679 | if (errno != ENOENT) { |
| 2680 | warn_report("not removing PID file on exit: cannot resolve PID " |
| 2681 | "file path: %s: %s", pid_file, strerror(errno)); |
| 2682 | } |
| 2683 | g_free(pid_file_realpath); |
| 2684 | return; |
| 2685 | } |
| 2686 | |
| 2687 | qemu_unlink_pidfile_notifier = (struct UnlinkPidfileNotifier) { |
| 2688 | .notifier = { |
| 2689 | .notify = qemu_unlink_pidfile, |
| 2690 | }, |
| 2691 | .pid_file_realpath = pid_file_realpath, |
| 2692 | }; |
| 2693 | qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier.notifier); |
| 2694 | } |
| 2695 | } |
| 2696 | |
| 2697 | static void qemu_init_displays(void) |
| 2698 | { |
| 2699 | DisplayState *ds; |
| 2700 | |
| 2701 | /* init local displays */ |
| 2702 | ds = init_displaystate(); |
| 2703 | qemu_display_init(ds, &dpy); |
| 2704 | |
| 2705 | /* must be after terminal init, SDL library changes signal handlers */ |
| 2706 | os_setup_signal_handling(); |
| 2707 | |
| 2708 | /* init remote displays */ |
| 2709 | #ifdef CONFIG_VNC |
| 2710 | qemu_opts_foreach(qemu_find_opts("vnc"), |
| 2711 | vnc_init_func, NULL, &error_fatal); |
| 2712 | #endif |
| 2713 | |
| 2714 | if (using_spice) { |
| 2715 | qemu_spice.display_init(); |
| 2716 | } |
| 2717 | } |
| 2718 | |
| 2719 | static void qemu_init_board(void) |
| 2720 | { |
| 2721 | MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); |
| 2722 | |
| 2723 | /* process plugin before CPUs are created, but once -smp has been parsed */ |
| 2724 | qemu_plugin_load_list(&plugin_list, &error_fatal); |
| 2725 | |
| 2726 | /* From here on we enter MACHINE_PHASE_INITIALIZED. */ |
| 2727 | machine_run_board_init(current_machine, mem_path, &error_fatal); |
| 2728 | |
| 2729 | if (machine_class->auto_create_sdcard) { |
| 2730 | bool ambigous; |
| 2731 | |
| 2732 | /* Ensure there is a SD bus available to create SD card on */ |
| 2733 | Object *obj = object_resolve_path_type("", TYPE_SD_BUS, &ambigous); |
| 2734 | if (!obj && !ambigous) { |
| 2735 | fprintf(stderr, "Can not create sd-card on '%s' machine" |
| 2736 | " because it lacks a sd-bus\n", |
| 2737 | machine_class->name); |
| 2738 | abort(); |
| 2739 | } |
| 2740 | } |
| 2741 | |
| 2742 | drive_check_orphaned(); |
| 2743 | |
| 2744 | realtime_init(); |
| 2745 | } |
| 2746 | |
| 2747 | static void qemu_create_cli_devices(void) |
| 2748 | { |
| 2749 | DeviceOption *opt; |
| 2750 | |
| 2751 | audio_model_init(); |
| 2752 | |
| 2753 | qemu_opts_foreach(qemu_find_opts("fw_cfg"), |
| 2754 | parse_fw_cfg, fw_cfg_find(), &error_fatal); |
| 2755 | |
| 2756 | /* init USB devices */ |
| 2757 | if (machine_usb(current_machine)) { |
| 2758 | foreach_device_config_or_exit(DEV_USB, usb_parse); |
| 2759 | } |
| 2760 | |
| 2761 | /* init generic devices */ |
| 2762 | qemu_opts_foreach(qemu_find_opts("device"), |
| 2763 | device_init_func, NULL, &error_fatal); |
| 2764 | QTAILQ_FOREACH(opt, &device_opts, next) { |
| 2765 | QObject *ret_data = NULL; |
| 2766 | |
| 2767 | loc_push_restore(&opt->loc); |
| 2768 | qmp_device_add(opt->opts, &ret_data, &error_fatal); |
| 2769 | assert(ret_data == NULL); /* error_fatal aborts */ |
| 2770 | loc_pop(&opt->loc); |
| 2771 | } |
| 2772 | } |
| 2773 | |
| 2774 | static bool qemu_machine_creation_done(Error **errp) |
| 2775 | { |
| 2776 | MachineState *machine = MACHINE(qdev_get_machine()); |
| 2777 | |
| 2778 | /* Did we create any drives that we failed to create a device for? */ |
| 2779 | drive_check_orphaned(); |
| 2780 | |
| 2781 | /* Don't warn about the default network setup that you get if |
| 2782 | * no command line -net or -netdev options are specified. There |
| 2783 | * are two cases that we would otherwise complain about: |
| 2784 | * (1) board doesn't support a NIC but the implicit "-net nic" |
| 2785 | * requested one |
| 2786 | * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" |
| 2787 | * sets up a nic that isn't connected to anything. |
| 2788 | */ |
| 2789 | if (!default_net && (!qtest_enabled() || has_defaults)) { |
| 2790 | net_check_clients(); |
| 2791 | } |
| 2792 | |
| 2793 | qdev_prop_check_globals(); |
| 2794 | |
| 2795 | qdev_machine_creation_done(); |
| 2796 | |
| 2797 | if (machine->cgs && !machine->cgs->ready) { |
| 2798 | error_setg(errp, "accelerator does not support confidential guest %s", |
| 2799 | object_get_typename(OBJECT(machine->cgs))); |
| 2800 | exit(1); |
| 2801 | } |
| 2802 | |
| 2803 | foreach_device_config_or_exit(DEV_GDB, gdbserver_start); |
| 2804 | |
| 2805 | if (!vga_interface_created && !default_vga && |
| 2806 | vga_interface_type != VGA_NONE) { |
| 2807 | warn_report("A -vga option was passed but this machine " |
| 2808 | "type does not use that option; " |
| 2809 | "No VGA device has been created"); |
| 2810 | } |
| 2811 | return true; |
| 2812 | } |
| 2813 | |
| 2814 | void qmp_x_exit_preconfig(Error **errp) |
| 2815 | { |
| 2816 | if (phase_check(PHASE_MACHINE_INITIALIZED)) { |
| 2817 | error_setg(errp, "The command is permitted only before machine initialization"); |
| 2818 | return; |
| 2819 | } |
| 2820 | |
| 2821 | qemu_init_board(); |
| 2822 | qemu_create_cli_devices(); |
| 2823 | if (!qemu_machine_creation_done(errp)) { |
| 2824 | return; |
| 2825 | } |
| 2826 | |
| 2827 | if (loadvm) { |
| 2828 | RunState state = autostart ? RUN_STATE_RUNNING : runstate_get(); |
| 2829 | load_snapshot(loadvm, NULL, false, NULL, &error_fatal); |
| 2830 | load_snapshot_resume(state); |
| 2831 | } |
| 2832 | if (replay_mode != REPLAY_MODE_NONE) { |
| 2833 | replay_vmstate_init(); |
| 2834 | } |
| 2835 | |
| 2836 | if (incoming) { |
| 2837 | Error *local_err = NULL; |
| 2838 | if (strcmp(incoming, "defer") != 0) { |
| 2839 | g_autofree MigrationChannelList *channels = |
| 2840 | g_new0(MigrationChannelList, 1); |
| 2841 | |
| 2842 | channels->value = incoming_channels[MIGRATION_CHANNEL_TYPE_MAIN]; |
| 2843 | qmp_migrate_incoming(NULL, true, channels, true, true, &local_err); |
| 2844 | if (local_err) { |
| 2845 | error_reportf_err(local_err, "-incoming %s: ", incoming); |
| 2846 | exit(1); |
| 2847 | } |
| 2848 | } |
| 2849 | } else if (autostart) { |
| 2850 | qmp_cont(NULL); |
| 2851 | } |
| 2852 | } |
| 2853 | |
| 2854 | void qemu_init(int argc, char **argv) |
| 2855 | { |
| 2856 | QemuOpts *icount_opts = NULL, *accel_opts = NULL; |
| 2857 | QemuOptsList *olist; |
| 2858 | int optind; |
| 2859 | const char *optarg; |
| 2860 | MachineClass *machine_class; |
| 2861 | bool userconfig = true; |
| 2862 | FILE *vmstate_dump_file = NULL; |
| 2863 | |
| 2864 | qemu_add_opts(&qemu_drive_opts); |
| 2865 | qemu_add_drive_opts(&qemu_legacy_drive_opts); |
| 2866 | qemu_add_drive_opts(&qemu_common_drive_opts); |
| 2867 | qemu_add_drive_opts(&qemu_drive_opts); |
| 2868 | qemu_add_drive_opts(&bdrv_runtime_opts); |
| 2869 | qemu_add_opts(&qemu_chardev_opts); |
| 2870 | qemu_add_opts(&qemu_device_opts); |
| 2871 | qemu_add_opts(&qemu_netdev_opts); |
| 2872 | qemu_add_opts(&qemu_nic_opts); |
| 2873 | qemu_add_opts(&qemu_net_opts); |
| 2874 | qemu_add_opts(&qemu_rtc_opts); |
| 2875 | qemu_add_opts(&qemu_global_opts); |
| 2876 | qemu_add_opts(&qemu_mon_opts); |
| 2877 | qemu_add_opts(&qemu_trace_opts); |
| 2878 | qemu_plugin_add_opts(); |
| 2879 | qemu_add_opts(&qemu_option_rom_opts); |
| 2880 | qemu_add_opts(&qemu_accel_opts); |
| 2881 | qemu_add_opts(&qemu_mem_opts); |
| 2882 | qemu_add_opts(&qemu_smp_opts); |
| 2883 | qemu_add_opts(&qemu_boot_opts); |
| 2884 | qemu_add_opts(&qemu_add_fd_opts); |
| 2885 | qemu_add_opts(&qemu_object_opts); |
| 2886 | qemu_add_opts(&qemu_tpmdev_opts); |
| 2887 | qemu_add_opts(&qemu_overcommit_opts); |
| 2888 | qemu_add_opts(&qemu_msg_opts); |
| 2889 | qemu_add_opts(&qemu_name_opts); |
| 2890 | qemu_add_opts(&qemu_numa_opts); |
| 2891 | qemu_add_opts(&qemu_icount_opts); |
| 2892 | qemu_add_opts(&qemu_semihosting_config_opts); |
| 2893 | qemu_add_opts(&qemu_fw_cfg_opts); |
| 2894 | qemu_add_opts(&qemu_action_opts); |
| 2895 | qemu_add_run_with_opts(); |
| 2896 | module_call_init(MODULE_INIT_OPTS); |
| 2897 | |
| 2898 | error_init(argv[0]); |
| 2899 | qemu_init_exec_dir(argv[0]); |
| 2900 | |
| 2901 | os_setup_limits(); |
| 2902 | |
| 2903 | module_call_init(MODULE_INIT_TARGET_INFO); |
| 2904 | target_info_qom_set_target(); |
| 2905 | |
| 2906 | module_init_info(qemu_modinfo); |
| 2907 | module_allow_arch(target_name()); |
| 2908 | |
| 2909 | qemu_init_subsystems(); |
| 2910 | |
| 2911 | /* first pass of option parsing */ |
| 2912 | optind = 1; |
| 2913 | while (optind < argc) { |
| 2914 | if (argv[optind][0] != '-') { |
| 2915 | /* disk image */ |
| 2916 | optind++; |
| 2917 | } else { |
| 2918 | const QEMUOption *popt; |
| 2919 | |
| 2920 | popt = lookup_opt(argc, argv, &optarg, &optind); |
| 2921 | switch (popt->index) { |
| 2922 | case QEMU_OPTION_nouserconfig: |
| 2923 | userconfig = false; |
| 2924 | break; |
| 2925 | } |
| 2926 | } |
| 2927 | } |
| 2928 | |
| 2929 | machine_opts_dict = qdict_new(); |
| 2930 | if (userconfig) { |
| 2931 | qemu_read_default_config_file(&error_fatal); |
| 2932 | } |
| 2933 | |
| 2934 | /* second pass of option parsing */ |
| 2935 | optind = 1; |
| 2936 | for(;;) { |
| 2937 | if (optind >= argc) |
| 2938 | break; |
| 2939 | if (argv[optind][0] != '-') { |
| 2940 | loc_set_cmdline(argv, optind, 1); |
| 2941 | drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS); |
| 2942 | } else { |
| 2943 | const QEMUOption *popt; |
| 2944 | QemuOpts *opts; |
| 2945 | |
| 2946 | popt = lookup_opt(argc, argv, &optarg, &optind); |
| 2947 | if (!qemu_arch_available(popt->arch_mask)) { |
| 2948 | error_report("Option not supported for this target"); |
| 2949 | exit(1); |
| 2950 | } |
| 2951 | switch(popt->index) { |
| 2952 | case QEMU_OPTION_cpu: |
| 2953 | /* hw initialization will check this */ |
| 2954 | cpu_option = optarg; |
| 2955 | break; |
| 2956 | case QEMU_OPTION_hda: |
| 2957 | case QEMU_OPTION_hdb: |
| 2958 | case QEMU_OPTION_hdc: |
| 2959 | case QEMU_OPTION_hdd: |
| 2960 | drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg, |
| 2961 | HD_OPTS); |
| 2962 | break; |
| 2963 | case QEMU_OPTION_blockdev: |
| 2964 | { |
| 2965 | Visitor *v; |
| 2966 | BlockdevOptionsQueueEntry *bdo; |
| 2967 | |
| 2968 | v = qobject_input_visitor_new_str(optarg, "driver", |
| 2969 | &error_fatal); |
| 2970 | |
| 2971 | bdo = g_new(BlockdevOptionsQueueEntry, 1); |
| 2972 | visit_type_BlockdevOptions(v, NULL, &bdo->bdo, |
| 2973 | &error_fatal); |
| 2974 | visit_free(v); |
| 2975 | loc_save(&bdo->loc); |
| 2976 | QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry); |
| 2977 | break; |
| 2978 | } |
| 2979 | case QEMU_OPTION_drive: |
| 2980 | if (!qemu_opts_parse_noisily(qemu_find_opts("drive"), |
| 2981 | optarg, false)) { |
| 2982 | exit(1); |
| 2983 | } |
| 2984 | break; |
| 2985 | case QEMU_OPTION_set: |
| 2986 | qemu_set_option(optarg, &error_fatal); |
| 2987 | break; |
| 2988 | case QEMU_OPTION_global: |
| 2989 | if (qemu_global_option(optarg) != 0) |
| 2990 | exit(1); |
| 2991 | break; |
| 2992 | case QEMU_OPTION_mtdblock: |
| 2993 | drive_add(IF_MTD, -1, optarg, MTD_OPTS); |
| 2994 | break; |
| 2995 | case QEMU_OPTION_sd: |
| 2996 | drive_add(IF_SD, -1, optarg, SD_OPTS); |
| 2997 | break; |
| 2998 | case QEMU_OPTION_pflash: |
| 2999 | drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS); |
| 3000 | break; |
| 3001 | case QEMU_OPTION_snapshot: |
| 3002 | snapshot = 1; |
| 3003 | replay_add_blocker("-snapshot"); |
| 3004 | break; |
| 3005 | case QEMU_OPTION_numa: |
| 3006 | if (!qemu_opts_parse_noisily(qemu_find_opts("numa"), |
| 3007 | optarg, true)) { |
| 3008 | exit(1); |
| 3009 | } |
| 3010 | break; |
| 3011 | case QEMU_OPTION_display: |
| 3012 | parse_display(optarg); |
| 3013 | break; |
| 3014 | case QEMU_OPTION_nographic: |
| 3015 | qdict_put_str(machine_opts_dict, "graphics", "off"); |
| 3016 | nographic = true; |
| 3017 | dpy.type = DISPLAY_TYPE_NONE; |
| 3018 | break; |
| 3019 | case QEMU_OPTION_kernel: |
| 3020 | qdict_put_str(machine_opts_dict, "kernel", optarg); |
| 3021 | break; |
| 3022 | case QEMU_OPTION_shim: |
| 3023 | qdict_put_str(machine_opts_dict, "shim", optarg); |
| 3024 | break; |
| 3025 | case QEMU_OPTION_initrd: |
| 3026 | qdict_put_str(machine_opts_dict, "initrd", optarg); |
| 3027 | break; |
| 3028 | case QEMU_OPTION_append: |
| 3029 | qdict_put_str(machine_opts_dict, "append", optarg); |
| 3030 | break; |
| 3031 | case QEMU_OPTION_dtb: |
| 3032 | qdict_put_str(machine_opts_dict, "dtb", optarg); |
| 3033 | break; |
| 3034 | case QEMU_OPTION_cdrom: |
| 3035 | drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); |
| 3036 | break; |
| 3037 | case QEMU_OPTION_boot: |
| 3038 | machine_parse_property_opt(qemu_find_opts("boot-opts"), "boot", optarg); |
| 3039 | break; |
| 3040 | case QEMU_OPTION_fda: |
| 3041 | case QEMU_OPTION_fdb: |
| 3042 | drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda, |
| 3043 | optarg, FD_OPTS); |
| 3044 | break; |
| 3045 | case QEMU_OPTION_no_fd_bootchk: |
| 3046 | qdict_put_str(machine_opts_dict, "fd-bootchk", "off"); |
| 3047 | break; |
| 3048 | case QEMU_OPTION_netdev: |
| 3049 | default_net = 0; |
| 3050 | if (netdev_is_modern(optarg)) { |
| 3051 | netdev_parse_modern(optarg); |
| 3052 | } else { |
| 3053 | net_client_parse(qemu_find_opts("netdev"), optarg); |
| 3054 | } |
| 3055 | break; |
| 3056 | case QEMU_OPTION_nic: |
| 3057 | default_net = 0; |
| 3058 | net_client_parse(qemu_find_opts("nic"), optarg); |
| 3059 | break; |
| 3060 | case QEMU_OPTION_net: |
| 3061 | default_net = 0; |
| 3062 | net_client_parse(qemu_find_opts("net"), optarg); |
| 3063 | break; |
| 3064 | #ifdef CONFIG_LIBISCSI |
| 3065 | case QEMU_OPTION_iscsi: |
| 3066 | if (!qemu_opts_parse_noisily(qemu_find_opts("iscsi"), |
| 3067 | optarg, false)) { |
| 3068 | exit(1); |
| 3069 | } |
| 3070 | break; |
| 3071 | #endif |
| 3072 | case QEMU_OPTION_audiodev: |
| 3073 | default_audio = 0; |
| 3074 | audio_parse_option(optarg); |
| 3075 | break; |
| 3076 | case QEMU_OPTION_audio: { |
| 3077 | bool help; |
| 3078 | char *model = NULL; |
| 3079 | Audiodev *dev = NULL; |
| 3080 | Visitor *v; |
| 3081 | QDict *dict = keyval_parse(optarg, "driver", &help, &error_fatal); |
| 3082 | default_audio = 0; |
| 3083 | if (help || (qdict_haskey(dict, "driver") && |
| 3084 | is_help_option(qdict_get_str(dict, "driver")))) { |
| 3085 | audio_help(); |
| 3086 | exit(EXIT_SUCCESS); |
| 3087 | } |
| 3088 | if (!qdict_haskey(dict, "id")) { |
| 3089 | qdict_put_str(dict, "id", "audiodev0"); |
| 3090 | } |
| 3091 | if (qdict_haskey(dict, "model")) { |
| 3092 | model = g_strdup(qdict_get_str(dict, "model")); |
| 3093 | qdict_del(dict, "model"); |
| 3094 | if (is_help_option(model)) { |
| 3095 | audio_print_available_models(); |
| 3096 | exit(0); |
| 3097 | } |
| 3098 | } |
| 3099 | v = qobject_input_visitor_new_keyval(QOBJECT(dict)); |
| 3100 | qobject_unref(dict); |
| 3101 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); |
| 3102 | visit_free(v); |
| 3103 | if (model) { |
| 3104 | audio_add_audiodev(dev); |
| 3105 | audio_set_model(model, dev->id); |
| 3106 | g_free(model); |
| 3107 | } else { |
| 3108 | audio_add_default_audiodev(dev, &error_fatal); |
| 3109 | } |
| 3110 | break; |
| 3111 | } |
| 3112 | case QEMU_OPTION_h: |
| 3113 | help(0); |
| 3114 | break; |
| 3115 | case QEMU_OPTION_version: |
| 3116 | version(); |
| 3117 | exit(0); |
| 3118 | break; |
| 3119 | case QEMU_OPTION_m: |
| 3120 | if (!qemu_opts_parse_noisily(qemu_find_opts("memory"), |
| 3121 | optarg, true)) { |
| 3122 | exit(1); |
| 3123 | } |
| 3124 | break; |
| 3125 | #ifdef CONFIG_TPM |
| 3126 | case QEMU_OPTION_tpmdev: |
| 3127 | if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) { |
| 3128 | exit(1); |
| 3129 | } |
| 3130 | break; |
| 3131 | #endif |
| 3132 | case QEMU_OPTION_mempath: |
| 3133 | mem_path = optarg; |
| 3134 | break; |
| 3135 | case QEMU_OPTION_mem_prealloc: |
| 3136 | mem_prealloc = 1; |
| 3137 | break; |
| 3138 | case QEMU_OPTION_d: |
| 3139 | log_mask = optarg; |
| 3140 | break; |
| 3141 | case QEMU_OPTION_D: |
| 3142 | log_file = optarg; |
| 3143 | break; |
| 3144 | case QEMU_OPTION_DFILTER: |
| 3145 | qemu_set_dfilter_ranges(optarg, &error_fatal); |
| 3146 | break; |
| 3147 | #if defined(CONFIG_TCG) && defined(CONFIG_LINUX) |
| 3148 | case QEMU_OPTION_perfmap: |
| 3149 | perf_enable_perfmap(); |
| 3150 | break; |
| 3151 | case QEMU_OPTION_jitdump: |
| 3152 | perf_enable_jitdump(); |
| 3153 | break; |
| 3154 | #endif |
| 3155 | case QEMU_OPTION_seed: |
| 3156 | qemu_guest_random_seed_main(optarg, &error_fatal); |
| 3157 | break; |
| 3158 | case QEMU_OPTION_s: |
| 3159 | add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT); |
| 3160 | break; |
| 3161 | case QEMU_OPTION_gdb: |
| 3162 | add_device_config(DEV_GDB, optarg); |
| 3163 | break; |
| 3164 | case QEMU_OPTION_L: |
| 3165 | if (is_help_option(optarg)) { |
| 3166 | list_data_dirs = true; |
| 3167 | } else { |
| 3168 | qemu_add_data_dir(g_strdup(optarg)); |
| 3169 | } |
| 3170 | break; |
| 3171 | case QEMU_OPTION_bios: |
| 3172 | qdict_put_str(machine_opts_dict, "firmware", optarg); |
| 3173 | break; |
| 3174 | case QEMU_OPTION_S: |
| 3175 | autostart = 0; |
| 3176 | break; |
| 3177 | case QEMU_OPTION_k: |
| 3178 | keyboard_layout = optarg; |
| 3179 | break; |
| 3180 | case QEMU_OPTION_vga: |
| 3181 | vga_model = optarg; |
| 3182 | default_vga = 0; |
| 3183 | break; |
| 3184 | case QEMU_OPTION_g: |
| 3185 | { |
| 3186 | const char *p; |
| 3187 | int w, h, depth; |
| 3188 | p = optarg; |
| 3189 | w = strtol(p, (char **)&p, 10); |
| 3190 | if (w <= 0) { |
| 3191 | graphic_error: |
| 3192 | error_report("invalid resolution or depth"); |
| 3193 | exit(1); |
| 3194 | } |
| 3195 | if (*p != 'x') |
| 3196 | goto graphic_error; |
| 3197 | p++; |
| 3198 | h = strtol(p, (char **)&p, 10); |
| 3199 | if (h <= 0) |
| 3200 | goto graphic_error; |
| 3201 | if (*p == 'x') { |
| 3202 | p++; |
| 3203 | depth = strtol(p, (char **)&p, 10); |
| 3204 | if (depth != 1 && depth != 2 && depth != 4 && |
| 3205 | depth != 8 && depth != 15 && depth != 16 && |
| 3206 | depth != 24 && depth != 32) |
| 3207 | goto graphic_error; |
| 3208 | } else if (*p == '\0') { |
| 3209 | depth = graphic_depth; |
| 3210 | } else { |
| 3211 | goto graphic_error; |
| 3212 | } |
| 3213 | |
| 3214 | graphic_width = w; |
| 3215 | graphic_height = h; |
| 3216 | graphic_depth = depth; |
| 3217 | } |
| 3218 | break; |
| 3219 | case QEMU_OPTION_echr: |
| 3220 | { |
| 3221 | char *r; |
| 3222 | term_escape_char = strtol(optarg, &r, 0); |
| 3223 | if (r == optarg) |
| 3224 | printf("Bad argument to echr\n"); |
| 3225 | break; |
| 3226 | } |
| 3227 | case QEMU_OPTION_monitor: |
| 3228 | default_monitor = 0; |
| 3229 | if (g_strcmp0(optarg, "none")) { |
| 3230 | monitor_parse(optarg, "readline", false); |
| 3231 | } |
| 3232 | break; |
| 3233 | case QEMU_OPTION_qmp: |
| 3234 | monitor_parse(optarg, "control", false); |
| 3235 | default_monitor = 0; |
| 3236 | break; |
| 3237 | case QEMU_OPTION_qmp_pretty: |
| 3238 | monitor_parse(optarg, "control", true); |
| 3239 | default_monitor = 0; |
| 3240 | break; |
| 3241 | case QEMU_OPTION_mon: |
| 3242 | warn_report_once("'-mon' is deprecated, use '-object' with " |
| 3243 | "'monitor-hmp' or 'monitor-qmp' types instead"); |
| 3244 | if (!qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg, |
| 3245 | true)) { |
| 3246 | exit(1); |
| 3247 | } |
| 3248 | default_monitor = 0; |
| 3249 | break; |
| 3250 | case QEMU_OPTION_chardev: |
| 3251 | if (!qemu_opts_parse_noisily(qemu_find_opts("chardev"), |
| 3252 | optarg, true)) { |
| 3253 | exit(1); |
| 3254 | } |
| 3255 | break; |
| 3256 | case QEMU_OPTION_fsdev: |
| 3257 | olist = qemu_find_opts("fsdev"); |
| 3258 | if (!olist) { |
| 3259 | error_report("fsdev support is disabled"); |
| 3260 | exit(1); |
| 3261 | } |
| 3262 | if (!qemu_opts_parse_noisily(olist, optarg, true)) { |
| 3263 | exit(1); |
| 3264 | } |
| 3265 | break; |
| 3266 | case QEMU_OPTION_virtfs: { |
| 3267 | QemuOpts *fsdev; |
| 3268 | QemuOpts *device; |
| 3269 | const char *writeout, *sock_fd, *socket, *path, *security_model, |
| 3270 | *multidevs, *max_xattr_str; |
| 3271 | |
| 3272 | olist = qemu_find_opts("virtfs"); |
| 3273 | if (!olist) { |
| 3274 | error_report("virtfs support is disabled"); |
| 3275 | exit(1); |
| 3276 | } |
| 3277 | opts = qemu_opts_parse_noisily(olist, optarg, true); |
| 3278 | if (!opts) { |
| 3279 | exit(1); |
| 3280 | } |
| 3281 | |
| 3282 | if (qemu_opt_get(opts, "fsdriver") == NULL || |
| 3283 | qemu_opt_get(opts, "mount_tag") == NULL) { |
| 3284 | error_report("Usage: -virtfs fsdriver,mount_tag=tag"); |
| 3285 | exit(1); |
| 3286 | } |
| 3287 | fsdev = qemu_opts_create(qemu_find_opts("fsdev"), |
| 3288 | qemu_opts_id(opts) ?: |
| 3289 | qemu_opt_get(opts, "mount_tag"), |
| 3290 | 1, NULL); |
| 3291 | if (!fsdev) { |
| 3292 | error_report("duplicate or invalid fsdev id: %s", |
| 3293 | qemu_opt_get(opts, "mount_tag")); |
| 3294 | exit(1); |
| 3295 | } |
| 3296 | |
| 3297 | writeout = qemu_opt_get(opts, "writeout"); |
| 3298 | if (writeout) { |
| 3299 | #ifdef CONFIG_SYNC_FILE_RANGE |
| 3300 | qemu_opt_set(fsdev, "writeout", writeout, &error_abort); |
| 3301 | #else |
| 3302 | error_report("writeout=immediate not supported " |
| 3303 | "on this platform"); |
| 3304 | exit(1); |
| 3305 | #endif |
| 3306 | } |
| 3307 | qemu_opt_set(fsdev, "fsdriver", |
| 3308 | qemu_opt_get(opts, "fsdriver"), &error_abort); |
| 3309 | path = qemu_opt_get(opts, "path"); |
| 3310 | if (path) { |
| 3311 | qemu_opt_set(fsdev, "path", path, &error_abort); |
| 3312 | } |
| 3313 | security_model = qemu_opt_get(opts, "security_model"); |
| 3314 | if (security_model) { |
| 3315 | qemu_opt_set(fsdev, "security_model", security_model, |
| 3316 | &error_abort); |
| 3317 | } |
| 3318 | socket = qemu_opt_get(opts, "socket"); |
| 3319 | if (socket) { |
| 3320 | qemu_opt_set(fsdev, "socket", socket, &error_abort); |
| 3321 | } |
| 3322 | sock_fd = qemu_opt_get(opts, "sock_fd"); |
| 3323 | if (sock_fd) { |
| 3324 | qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort); |
| 3325 | } |
| 3326 | |
| 3327 | qemu_opt_set_bool(fsdev, "readonly", |
| 3328 | qemu_opt_get_bool(opts, "readonly", 0), |
| 3329 | &error_abort); |
| 3330 | multidevs = qemu_opt_get(opts, "multidevs"); |
| 3331 | if (multidevs) { |
| 3332 | qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort); |
| 3333 | } |
| 3334 | max_xattr_str = qemu_opt_get(opts, "max_xattr"); |
| 3335 | if (max_xattr_str) { |
| 3336 | qemu_opt_set(fsdev, "max_xattr", max_xattr_str, |
| 3337 | &error_abort); |
| 3338 | } |
| 3339 | device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, |
| 3340 | &error_abort); |
| 3341 | qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort); |
| 3342 | qemu_opt_set(device, "fsdev", |
| 3343 | qemu_opts_id(fsdev), &error_abort); |
| 3344 | qemu_opt_set(device, "mount_tag", |
| 3345 | qemu_opt_get(opts, "mount_tag"), &error_abort); |
| 3346 | break; |
| 3347 | } |
| 3348 | case QEMU_OPTION_serial: |
| 3349 | add_device_config(DEV_SERIAL, optarg); |
| 3350 | default_serial = 0; |
| 3351 | if (strncmp(optarg, "mon:", 4) == 0) { |
| 3352 | default_monitor = 0; |
| 3353 | } |
| 3354 | break; |
| 3355 | case QEMU_OPTION_action: |
| 3356 | olist = qemu_find_opts("action"); |
| 3357 | if (!qemu_opts_parse_noisily(olist, optarg, false)) { |
| 3358 | exit(1); |
| 3359 | } |
| 3360 | break; |
| 3361 | case QEMU_OPTION_watchdog_action: { |
| 3362 | opts = qemu_opts_create(qemu_find_opts("action"), NULL, 0, &error_abort); |
| 3363 | qemu_opt_set(opts, "watchdog", optarg, &error_abort); |
| 3364 | break; |
| 3365 | } |
| 3366 | case QEMU_OPTION_parallel: |
| 3367 | add_device_config(DEV_PARALLEL, optarg); |
| 3368 | default_parallel = 0; |
| 3369 | if (strncmp(optarg, "mon:", 4) == 0) { |
| 3370 | default_monitor = 0; |
| 3371 | } |
| 3372 | break; |
| 3373 | case QEMU_OPTION_debugcon: |
| 3374 | add_device_config(DEV_DEBUGCON, optarg); |
| 3375 | break; |
| 3376 | case QEMU_OPTION_loadvm: |
| 3377 | loadvm = optarg; |
| 3378 | break; |
| 3379 | case QEMU_OPTION_full_screen: |
| 3380 | dpy.has_full_screen = true; |
| 3381 | dpy.full_screen = true; |
| 3382 | break; |
| 3383 | case QEMU_OPTION_pidfile: |
| 3384 | pid_file = optarg; |
| 3385 | break; |
| 3386 | case QEMU_OPTION_win2k_hack: |
| 3387 | object_register_sugar_prop("ide-device", "win2k-install-hack", "true", true); |
| 3388 | break; |
| 3389 | case QEMU_OPTION_acpitable: |
| 3390 | opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"), |
| 3391 | optarg, true); |
| 3392 | if (!opts) { |
| 3393 | exit(1); |
| 3394 | } |
| 3395 | acpi_table_add(opts, &error_fatal); |
| 3396 | break; |
| 3397 | case QEMU_OPTION_smbios: |
| 3398 | opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"), |
| 3399 | optarg, false); |
| 3400 | if (!opts) { |
| 3401 | exit(1); |
| 3402 | } |
| 3403 | smbios_entry_add(opts, &error_fatal); |
| 3404 | break; |
| 3405 | case QEMU_OPTION_fwcfg: |
| 3406 | if (!qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"), |
| 3407 | optarg, true)) { |
| 3408 | exit(1); |
| 3409 | } |
| 3410 | break; |
| 3411 | case QEMU_OPTION_preconfig: |
| 3412 | preconfig_requested = true; |
| 3413 | break; |
| 3414 | case QEMU_OPTION_enable_kvm: |
| 3415 | qdict_put_str(machine_opts_dict, "accel", "kvm"); |
| 3416 | break; |
| 3417 | case QEMU_OPTION_M: |
| 3418 | case QEMU_OPTION_machine: |
| 3419 | { |
| 3420 | bool help; |
| 3421 | |
| 3422 | keyval_parse_into(machine_opts_dict, optarg, "type", &help, &error_fatal); |
| 3423 | if (help) { |
| 3424 | machine_help_func(machine_opts_dict); |
| 3425 | exit(EXIT_SUCCESS); |
| 3426 | } |
| 3427 | break; |
| 3428 | } |
| 3429 | case QEMU_OPTION_accel: |
| 3430 | accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"), |
| 3431 | optarg, true); |
| 3432 | optarg = qemu_opt_get(accel_opts, "accel"); |
| 3433 | if (!optarg || is_help_option(optarg)) { |
| 3434 | printf("Accelerators supported in QEMU binary:\n"); |
| 3435 | GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL, |
| 3436 | false); |
| 3437 | for (el = accel_list; el; el = el->next) { |
| 3438 | gchar *typename = g_strdup(object_class_get_name( |
| 3439 | OBJECT_CLASS(el->data))); |
| 3440 | /* omit qtest which is used for tests only */ |
| 3441 | if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) && |
| 3442 | g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) { |
| 3443 | gchar **optname = g_strsplit(typename, |
| 3444 | ACCEL_CLASS_SUFFIX, 0); |
| 3445 | printf("%s\n", optname[0]); |
| 3446 | g_strfreev(optname); |
| 3447 | } |
| 3448 | g_free(typename); |
| 3449 | } |
| 3450 | g_slist_free(accel_list); |
| 3451 | exit(0); |
| 3452 | } |
| 3453 | break; |
| 3454 | case QEMU_OPTION_usb: |
| 3455 | qdict_put_str(machine_opts_dict, "usb", "on"); |
| 3456 | break; |
| 3457 | case QEMU_OPTION_usbdevice: |
| 3458 | qdict_put_str(machine_opts_dict, "usb", "on"); |
| 3459 | add_device_config(DEV_USB, optarg); |
| 3460 | break; |
| 3461 | case QEMU_OPTION_device: |
| 3462 | if (optarg[0] == '{') { |
| 3463 | QObject *obj = qobject_from_json(optarg, &error_fatal); |
| 3464 | DeviceOption *opt = g_new0(DeviceOption, 1); |
| 3465 | opt->opts = qobject_to(QDict, obj); |
| 3466 | loc_save(&opt->loc); |
| 3467 | assert(opt->opts != NULL); |
| 3468 | QTAILQ_INSERT_TAIL(&device_opts, opt, next); |
| 3469 | } else { |
| 3470 | if (!qemu_opts_parse_noisily(qemu_find_opts("device"), |
| 3471 | optarg, true)) { |
| 3472 | exit(1); |
| 3473 | } |
| 3474 | } |
| 3475 | break; |
| 3476 | case QEMU_OPTION_smp: |
| 3477 | machine_parse_property_opt(qemu_find_opts("smp-opts"), |
| 3478 | "smp", optarg); |
| 3479 | break; |
| 3480 | #ifdef CONFIG_VNC |
| 3481 | case QEMU_OPTION_vnc: |
| 3482 | vnc_parse(optarg); |
| 3483 | display_remote++; |
| 3484 | break; |
| 3485 | #endif |
| 3486 | case QEMU_OPTION_no_reboot: |
| 3487 | olist = qemu_find_opts("action"); |
| 3488 | qemu_opts_parse_noisily(olist, "reboot=shutdown", false); |
| 3489 | break; |
| 3490 | case QEMU_OPTION_no_shutdown: |
| 3491 | olist = qemu_find_opts("action"); |
| 3492 | qemu_opts_parse_noisily(olist, "shutdown=pause", false); |
| 3493 | break; |
| 3494 | case QEMU_OPTION_uuid: |
| 3495 | if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) { |
| 3496 | error_report("failed to parse UUID string: wrong format"); |
| 3497 | exit(1); |
| 3498 | } |
| 3499 | qemu_uuid_set = true; |
| 3500 | break; |
| 3501 | case QEMU_OPTION_option_rom: |
| 3502 | if (nb_option_roms >= MAX_OPTION_ROMS) { |
| 3503 | error_report("too many option ROMs"); |
| 3504 | exit(1); |
| 3505 | } |
| 3506 | opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"), |
| 3507 | optarg, true); |
| 3508 | if (!opts) { |
| 3509 | exit(1); |
| 3510 | } |
| 3511 | option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile"); |
| 3512 | option_rom[nb_option_roms].bootindex = |
| 3513 | qemu_opt_get_number(opts, "bootindex", -1); |
| 3514 | if (!option_rom[nb_option_roms].name) { |
| 3515 | error_report("Option ROM file is not specified"); |
| 3516 | exit(1); |
| 3517 | } |
| 3518 | nb_option_roms++; |
| 3519 | break; |
| 3520 | case QEMU_OPTION_semihosting: |
| 3521 | qemu_semihosting_enable(); |
| 3522 | break; |
| 3523 | case QEMU_OPTION_semihosting_config: |
| 3524 | if (qemu_semihosting_config_options(optarg) != 0) { |
| 3525 | exit(1); |
| 3526 | } |
| 3527 | break; |
| 3528 | case QEMU_OPTION_name: |
| 3529 | opts = qemu_opts_parse_noisily(qemu_find_opts("name"), |
| 3530 | optarg, true); |
| 3531 | if (!opts) { |
| 3532 | exit(1); |
| 3533 | } |
| 3534 | /* Capture guest name if -msg guest-name is used later */ |
| 3535 | error_guest_name = qemu_opt_get(opts, "guest"); |
| 3536 | break; |
| 3537 | case QEMU_OPTION_prom_env: |
| 3538 | if (nb_prom_envs >= MAX_PROM_ENVS) { |
| 3539 | error_report("too many prom variables"); |
| 3540 | exit(1); |
| 3541 | } |
| 3542 | prom_envs[nb_prom_envs] = optarg; |
| 3543 | nb_prom_envs++; |
| 3544 | break; |
| 3545 | case QEMU_OPTION_rtc: |
| 3546 | opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg, |
| 3547 | false); |
| 3548 | if (!opts) { |
| 3549 | exit(1); |
| 3550 | } |
| 3551 | break; |
| 3552 | case QEMU_OPTION_icount: |
| 3553 | icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"), |
| 3554 | optarg, true); |
| 3555 | if (!icount_opts) { |
| 3556 | exit(1); |
| 3557 | } |
| 3558 | break; |
| 3559 | case QEMU_OPTION_incoming: |
| 3560 | if (!incoming) { |
| 3561 | runstate_set(RUN_STATE_INMIGRATE); |
| 3562 | } |
| 3563 | incoming_option_parse(optarg); |
| 3564 | break; |
| 3565 | case QEMU_OPTION_only_migratable: |
| 3566 | only_migratable = 1; |
| 3567 | break; |
| 3568 | case QEMU_OPTION_nodefaults: |
| 3569 | has_defaults = 0; |
| 3570 | break; |
| 3571 | case QEMU_OPTION_xen_domid: |
| 3572 | if (!(accel_find("xen")) && !(accel_find("kvm"))) { |
| 3573 | error_report("Option not supported for this target"); |
| 3574 | exit(1); |
| 3575 | } |
| 3576 | xen_domid = atoi(optarg); |
| 3577 | break; |
| 3578 | case QEMU_OPTION_xen_attach: |
| 3579 | if (!(accel_find("xen"))) { |
| 3580 | error_report("Option not supported for this target"); |
| 3581 | exit(1); |
| 3582 | } |
| 3583 | xen_mode = XEN_ATTACH; |
| 3584 | break; |
| 3585 | case QEMU_OPTION_xen_domid_restrict: |
| 3586 | if (!(accel_find("xen"))) { |
| 3587 | error_report("Option not supported for this target"); |
| 3588 | exit(1); |
| 3589 | } |
| 3590 | xen_domid_restrict = true; |
| 3591 | break; |
| 3592 | case QEMU_OPTION_trace: |
| 3593 | trace_opt_parse(optarg); |
| 3594 | break; |
| 3595 | case QEMU_OPTION_plugin: |
| 3596 | qemu_plugin_opt_parse(optarg, &plugin_list); |
| 3597 | break; |
| 3598 | case QEMU_OPTION_readconfig: |
| 3599 | qemu_read_config_file(optarg, qemu_parse_config_group, &error_fatal); |
| 3600 | break; |
| 3601 | #ifdef CONFIG_SPICE |
| 3602 | case QEMU_OPTION_spice: |
| 3603 | opts = qemu_opts_parse_noisily(qemu_find_opts("spice"), optarg, false); |
| 3604 | if (!opts) { |
| 3605 | exit(1); |
| 3606 | } |
| 3607 | display_remote++; |
| 3608 | break; |
| 3609 | #endif |
| 3610 | case QEMU_OPTION_qtest: |
| 3611 | qtest_chrdev = optarg; |
| 3612 | break; |
| 3613 | case QEMU_OPTION_qtest_log: |
| 3614 | qtest_log = optarg; |
| 3615 | break; |
| 3616 | case QEMU_OPTION_sandbox: |
| 3617 | olist = qemu_find_opts("sandbox"); |
| 3618 | if (!olist) { |
| 3619 | #ifndef CONFIG_SECCOMP |
| 3620 | error_report("-sandbox support is not enabled " |
| 3621 | "in this QEMU binary"); |
| 3622 | #endif |
| 3623 | exit(1); |
| 3624 | } |
| 3625 | |
| 3626 | opts = qemu_opts_parse_noisily(olist, optarg, true); |
| 3627 | if (!opts) { |
| 3628 | exit(1); |
| 3629 | } |
| 3630 | break; |
| 3631 | case QEMU_OPTION_add_fd: |
| 3632 | #ifndef _WIN32 |
| 3633 | opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"), |
| 3634 | optarg, false); |
| 3635 | if (!opts) { |
| 3636 | exit(1); |
| 3637 | } |
| 3638 | #else |
| 3639 | error_report("File descriptor passing is disabled on this " |
| 3640 | "platform"); |
| 3641 | exit(1); |
| 3642 | #endif |
| 3643 | break; |
| 3644 | case QEMU_OPTION_object: |
| 3645 | object_option_parse(optarg); |
| 3646 | break; |
| 3647 | case QEMU_OPTION_overcommit: |
| 3648 | overcommit_parse(optarg); |
| 3649 | break; |
| 3650 | case QEMU_OPTION_compat: |
| 3651 | { |
| 3652 | CompatPolicy *opts_policy; |
| 3653 | Visitor *v; |
| 3654 | |
| 3655 | v = qobject_input_visitor_new_str(optarg, NULL, |
| 3656 | &error_fatal); |
| 3657 | |
| 3658 | visit_type_CompatPolicy(v, NULL, &opts_policy, &error_fatal); |
| 3659 | QAPI_CLONE_MEMBERS(CompatPolicy, &compat_policy, opts_policy); |
| 3660 | |
| 3661 | qapi_free_CompatPolicy(opts_policy); |
| 3662 | visit_free(v); |
| 3663 | break; |
| 3664 | } |
| 3665 | case QEMU_OPTION_msg: |
| 3666 | opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg, |
| 3667 | false); |
| 3668 | if (!opts) { |
| 3669 | exit(1); |
| 3670 | } |
| 3671 | configure_msg(opts); |
| 3672 | break; |
| 3673 | case QEMU_OPTION_dump_vmstate: |
| 3674 | if (vmstate_dump_file) { |
| 3675 | error_report("only one '-dump-vmstate' " |
| 3676 | "option may be given"); |
| 3677 | exit(1); |
| 3678 | } |
| 3679 | vmstate_dump_file = fopen(optarg, "w"); |
| 3680 | if (vmstate_dump_file == NULL) { |
| 3681 | error_report("open %s: %s", optarg, strerror(errno)); |
| 3682 | exit(1); |
| 3683 | } |
| 3684 | break; |
| 3685 | case QEMU_OPTION_enable_sync_profile: |
| 3686 | qsp_enable(); |
| 3687 | break; |
| 3688 | case QEMU_OPTION_nouserconfig: |
| 3689 | /* Nothing to be parsed here. Especially, do not error out below. */ |
| 3690 | break; |
| 3691 | #if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) |
| 3692 | case QEMU_OPTION_daemonize: |
| 3693 | os_set_daemonize(true); |
| 3694 | break; |
| 3695 | case QEMU_OPTION_run_with: { |
| 3696 | const char *str; |
| 3697 | opts = qemu_opts_parse_noisily(qemu_find_opts("run-with"), |
| 3698 | optarg, false); |
| 3699 | if (!opts) { |
| 3700 | exit(1); |
| 3701 | } |
| 3702 | #if defined(CONFIG_LINUX) |
| 3703 | if (qemu_opt_get_bool(opts, "async-teardown", false)) { |
| 3704 | init_async_teardown(); |
| 3705 | } |
| 3706 | #endif |
| 3707 | str = qemu_opt_get(opts, "chroot"); |
| 3708 | if (str) { |
| 3709 | os_set_chroot(str); |
| 3710 | } |
| 3711 | if (qemu_opt_get_bool(opts, "exit-with-parent", false)) { |
| 3712 | if (!can_exit_with_parent()) { |
| 3713 | error_report("exit-with-parent is not available" |
| 3714 | " on this platform"); |
| 3715 | exit(1); |
| 3716 | } |
| 3717 | set_exit_with_parent(); |
| 3718 | } |
| 3719 | str = qemu_opt_get(opts, "user"); |
| 3720 | if (str) { |
| 3721 | if (!os_set_runas(str)) { |
| 3722 | error_report("User \"%s\" doesn't exist" |
| 3723 | " (and is not <uid>:<gid>)", |
| 3724 | optarg); |
| 3725 | exit(1); |
| 3726 | } |
| 3727 | } |
| 3728 | |
| 3729 | break; |
| 3730 | } |
| 3731 | #endif /* CONFIG_POSIX */ |
| 3732 | |
| 3733 | default: |
| 3734 | error_report("Option not supported in this build"); |
| 3735 | exit(1); |
| 3736 | } |
| 3737 | } |
| 3738 | } |
| 3739 | /* |
| 3740 | * Clear error location left behind by the loop. |
| 3741 | * Best done right after the loop. Do not insert code here! |
| 3742 | */ |
| 3743 | loc_set_none(); |
| 3744 | |
| 3745 | qemu_validate_options(machine_opts_dict); |
| 3746 | qemu_process_sugar_options(); |
| 3747 | |
| 3748 | /* |
| 3749 | * These options affect everything else and should be processed |
| 3750 | * before daemonizing. |
| 3751 | */ |
| 3752 | qemu_process_early_options(); |
| 3753 | |
| 3754 | qemu_process_help_options(); |
| 3755 | qemu_maybe_daemonize(pid_file); |
| 3756 | |
| 3757 | /* |
| 3758 | * The trace backend must be initialized after daemonizing. |
| 3759 | * trace_init_backends() will call st_init(), which will create the |
| 3760 | * trace thread in the parent, and also register st_flush_trace_buffer() |
| 3761 | * in atexit(). This function will force the parent to wait for the |
| 3762 | * writeout thread to finish, which will not occur, and the parent |
| 3763 | * process will be left in the host. |
| 3764 | */ |
| 3765 | if (!trace_init_backends()) { |
| 3766 | exit(1); |
| 3767 | } |
| 3768 | trace_init_file(); |
| 3769 | |
| 3770 | qemu_init_main_loop(&error_fatal); |
| 3771 | cpu_timers_init(); |
| 3772 | |
| 3773 | user_register_global_props(); |
| 3774 | replay_configure(icount_opts); |
| 3775 | |
| 3776 | configure_rtc(qemu_find_opts_singleton("rtc")); |
| 3777 | |
| 3778 | /* Transfer QemuOpts options into machine options */ |
| 3779 | parse_memory_options(); |
| 3780 | |
| 3781 | qemu_create_machine(machine_opts_dict); |
| 3782 | |
| 3783 | /* |
| 3784 | * Load incoming CPR state before any devices are created, because it |
| 3785 | * contains file descriptors that are needed in device initialization code. |
| 3786 | */ |
| 3787 | cpr_state_load(incoming_channels[MIGRATION_CHANNEL_TYPE_CPR], &error_fatal); |
| 3788 | |
| 3789 | suspend_mux_open(); |
| 3790 | |
| 3791 | qemu_disable_default_devices(); |
| 3792 | qemu_setup_display(); |
| 3793 | qemu_create_default_devices(); |
| 3794 | qemu_create_early_backends(); |
| 3795 | |
| 3796 | qemu_apply_legacy_machine_options(machine_opts_dict); |
| 3797 | qemu_apply_machine_options(machine_opts_dict); |
| 3798 | qobject_unref(machine_opts_dict); |
| 3799 | phase_advance(PHASE_MACHINE_CREATED); |
| 3800 | |
| 3801 | /* |
| 3802 | * Note: uses machine properties such as kernel-irqchip, must run |
| 3803 | * after qemu_apply_machine_options. |
| 3804 | */ |
| 3805 | configure_accelerators(argv[0]); |
| 3806 | phase_advance(PHASE_ACCEL_CREATED); |
| 3807 | |
| 3808 | /* |
| 3809 | * Beware, QOM objects created before this point miss global and |
| 3810 | * compat properties. |
| 3811 | * |
| 3812 | * Global properties get set up by qdev_prop_register_global(), |
| 3813 | * called from user_register_global_props(), and certain option |
| 3814 | * desugaring. Also in CPU feature desugaring (buried in |
| 3815 | * parse_cpu_option()), which happens below this point, but may |
| 3816 | * only target the CPU type, which can only be created after |
| 3817 | * parse_cpu_option() returned the type. |
| 3818 | * |
| 3819 | * Machine compat properties: object_set_machine_compat_props(). |
| 3820 | * Accelerator compat props: object_set_accelerator_compat_props(), |
| 3821 | * called from do_configure_accelerator(). |
| 3822 | */ |
| 3823 | |
| 3824 | machine_class = MACHINE_GET_CLASS(current_machine); |
| 3825 | if (!qtest_enabled() && machine_class->deprecation_reason) { |
| 3826 | warn_report("Machine type '%s' is deprecated: %s", |
| 3827 | machine_class->name, machine_class->deprecation_reason); |
| 3828 | } |
| 3829 | |
| 3830 | /* |
| 3831 | * Create backends before creating migration objects, so that it can |
| 3832 | * check against compatibilities on the backend memories (e.g. postcopy |
| 3833 | * over memory-backend-file objects). |
| 3834 | */ |
| 3835 | qemu_create_late_backends(); |
| 3836 | phase_advance(PHASE_LATE_BACKENDS_CREATED); |
| 3837 | |
| 3838 | /* |
| 3839 | * Note: creates a QOM object, must run only after global and |
| 3840 | * compat properties have been set up. |
| 3841 | */ |
| 3842 | migration_object_init(); |
| 3843 | |
| 3844 | /* parse features once if machine provides default cpu_type */ |
| 3845 | current_machine->cpu_type = machine_default_cpu_type(current_machine); |
| 3846 | if (cpu_option) { |
| 3847 | current_machine->cpu_type = parse_cpu_option(cpu_option); |
| 3848 | } |
| 3849 | /* NB: for machine none cpu_type could STILL be NULL here! */ |
| 3850 | |
| 3851 | qemu_resolve_machine_memdev(); |
| 3852 | parse_numa_opts(current_machine); |
| 3853 | |
| 3854 | if (vmstate_dump_file) { |
| 3855 | /* dump and exit */ |
| 3856 | module_load_qom_all(); |
| 3857 | dump_vmstate_json_to_file(vmstate_dump_file); |
| 3858 | exit(0); |
| 3859 | } |
| 3860 | |
| 3861 | if (!preconfig_requested) { |
| 3862 | qmp_x_exit_preconfig(&error_fatal); |
| 3863 | } |
| 3864 | qemu_init_displays(); |
| 3865 | accel_setup_post(current_machine); |
| 3866 | if (migrate_mode() != MIG_MODE_CPR_EXEC) { |
| 3867 | os_setup_post(); |
| 3868 | } |
| 3869 | resume_mux_open(); |
| 3870 | } |