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accel: pass object to accel_init_machine
[mirror_qemu.git] / vl.c
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-common.h"
27 #include "qemu/units.h"
28 #include "hw/qdev-properties.h"
29 #include "qapi/error.h"
30 #include "qemu-version.h"
31 #include "qemu/cutils.h"
32 #include "qemu/help_option.h"
33 #include "qemu/uuid.h"
34 #include "sysemu/reset.h"
35 #include "sysemu/runstate.h"
36 #include "sysemu/seccomp.h"
37 #include "sysemu/tcg.h"
38
39 #ifdef CONFIG_SDL
40 #if defined(__APPLE__) || defined(main)
41 #include <SDL.h>
42 int qemu_main(int argc, char **argv, char **envp);
43 int main(int argc, char **argv)
44 {
45 return qemu_main(argc, argv, NULL);
46 }
47 #undef main
48 #define main qemu_main
49 #endif
50 #endif /* CONFIG_SDL */
51
52 #ifdef CONFIG_COCOA
53 #undef main
54 #define main qemu_main
55 #endif /* CONFIG_COCOA */
56
57
58 #include "qemu/error-report.h"
59 #include "qemu/sockets.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/firmware/smbios.h"
67 #include "hw/acpi/acpi.h"
68 #include "hw/xen/xen.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109 #include "trace-root.h"
110 #include "trace/control.h"
111 #include "qemu/plugin.h"
112 #include "qemu/queue.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qapi/clone-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "hw/semihosting/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qapi-events-run-state.h"
124 #include "qapi/qapi-visit-block-core.h"
125 #include "qapi/qapi-visit-ui.h"
126 #include "qapi/qapi-commands-block-core.h"
127 #include "qapi/qapi-commands-run-state.h"
128 #include "qapi/qapi-commands-ui.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131 #include "qemu/guest-random.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int display_opengl;
140 const char* keyboard_layout = NULL;
141 ram_addr_t ram_size;
142 const char *mem_path = NULL;
143 int mem_prealloc = 0; /* force preallocation of physical target memory */
144 bool enable_mlock = false;
145 bool enable_cpu_pm = false;
146 int nb_nics;
147 NICInfo nd_table[MAX_NICS];
148 int autostart;
149 static enum {
150 RTC_BASE_UTC,
151 RTC_BASE_LOCALTIME,
152 RTC_BASE_DATETIME,
153 } rtc_base_type = RTC_BASE_UTC;
154 static time_t rtc_ref_start_datetime;
155 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
156 static int rtc_host_datetime_offset = -1; /* valid & used only with
157 RTC_BASE_DATETIME */
158 QEMUClockType rtc_clock;
159 int vga_interface_type = VGA_NONE;
160 static DisplayOptions dpy;
161 static int num_serial_hds;
162 static Chardev **serial_hds;
163 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
164 int win2k_install_hack = 0;
165 int singlestep = 0;
166 int acpi_enabled = 1;
167 int no_hpet = 0;
168 int fd_bootchk = 1;
169 static int no_reboot;
170 int no_shutdown = 0;
171 int cursor_hide = 1;
172 int graphic_rotate = 0;
173 const char *watchdog;
174 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
175 int nb_option_roms;
176 int old_param = 0;
177 const char *qemu_name;
178 int alt_grab = 0;
179 int ctrl_grab = 0;
180 unsigned int nb_prom_envs = 0;
181 const char *prom_envs[MAX_PROM_ENVS];
182 int boot_menu;
183 bool boot_strict;
184 uint8_t *boot_splash_filedata;
185 int only_migratable; /* turn it off unless user states otherwise */
186 bool wakeup_suspend_enabled;
187
188 int icount_align_option;
189
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 QemuUUID qemu_uuid;
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205 bool xen_domid_restrict;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_monitor = 1;
211 static int default_floppy = 1;
212 static int default_cdrom = 1;
213 static int default_sdcard = 1;
214 static int default_vga = 1;
215 static int default_net = 1;
216
217 static struct {
218 const char *driver;
219 int *flag;
220 } default_list[] = {
221 { .driver = "isa-serial", .flag = &default_serial },
222 { .driver = "isa-parallel", .flag = &default_parallel },
223 { .driver = "isa-fdc", .flag = &default_floppy },
224 { .driver = "floppy", .flag = &default_floppy },
225 { .driver = "ide-cd", .flag = &default_cdrom },
226 { .driver = "ide-hd", .flag = &default_cdrom },
227 { .driver = "ide-drive", .flag = &default_cdrom },
228 { .driver = "scsi-cd", .flag = &default_cdrom },
229 { .driver = "scsi-hd", .flag = &default_cdrom },
230 { .driver = "VGA", .flag = &default_vga },
231 { .driver = "isa-vga", .flag = &default_vga },
232 { .driver = "cirrus-vga", .flag = &default_vga },
233 { .driver = "isa-cirrus-vga", .flag = &default_vga },
234 { .driver = "vmware-svga", .flag = &default_vga },
235 { .driver = "qxl-vga", .flag = &default_vga },
236 { .driver = "virtio-vga", .flag = &default_vga },
237 { .driver = "ati-vga", .flag = &default_vga },
238 { .driver = "vhost-user-vga", .flag = &default_vga },
239 };
240
241 static QemuOptsList qemu_rtc_opts = {
242 .name = "rtc",
243 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
244 .merge_lists = true,
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_option_rom_opts = {
261 .name = "option-rom",
262 .implied_opt_name = "romfile",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
264 .desc = {
265 {
266 .name = "bootindex",
267 .type = QEMU_OPT_NUMBER,
268 }, {
269 .name = "romfile",
270 .type = QEMU_OPT_STRING,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_machine_opts = {
277 .name = "machine",
278 .implied_opt_name = "type",
279 .merge_lists = true,
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
281 .desc = {
282 /*
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
286 */
287 { }
288 },
289 };
290
291 static QemuOptsList qemu_accel_opts = {
292 .name = "accel",
293 .implied_opt_name = "accel",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
295 .desc = {
296 {
297 .name = "accel",
298 .type = QEMU_OPT_STRING,
299 .help = "Select the type of accelerator",
300 },
301 {
302 .name = "thread",
303 .type = QEMU_OPT_STRING,
304 .help = "Enable/disable multi-threaded TCG",
305 },
306 { /* end of list */ }
307 },
308 };
309
310 static QemuOptsList qemu_boot_opts = {
311 .name = "boot-opts",
312 .implied_opt_name = "order",
313 .merge_lists = true,
314 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
315 .desc = {
316 {
317 .name = "order",
318 .type = QEMU_OPT_STRING,
319 }, {
320 .name = "once",
321 .type = QEMU_OPT_STRING,
322 }, {
323 .name = "menu",
324 .type = QEMU_OPT_BOOL,
325 }, {
326 .name = "splash",
327 .type = QEMU_OPT_STRING,
328 }, {
329 .name = "splash-time",
330 .type = QEMU_OPT_NUMBER,
331 }, {
332 .name = "reboot-timeout",
333 .type = QEMU_OPT_NUMBER,
334 }, {
335 .name = "strict",
336 .type = QEMU_OPT_BOOL,
337 },
338 { /*End of list */ }
339 },
340 };
341
342 static QemuOptsList qemu_add_fd_opts = {
343 .name = "add-fd",
344 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
345 .desc = {
346 {
347 .name = "fd",
348 .type = QEMU_OPT_NUMBER,
349 .help = "file descriptor of which a duplicate is added to fd set",
350 },{
351 .name = "set",
352 .type = QEMU_OPT_NUMBER,
353 .help = "ID of the fd set to add fd to",
354 },{
355 .name = "opaque",
356 .type = QEMU_OPT_STRING,
357 .help = "free-form string used to describe fd",
358 },
359 { /* end of list */ }
360 },
361 };
362
363 static QemuOptsList qemu_object_opts = {
364 .name = "object",
365 .implied_opt_name = "qom-type",
366 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
367 .desc = {
368 { }
369 },
370 };
371
372 static QemuOptsList qemu_tpmdev_opts = {
373 .name = "tpmdev",
374 .implied_opt_name = "type",
375 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
376 .desc = {
377 /* options are defined in the TPM backends */
378 { /* end of list */ }
379 },
380 };
381
382 static QemuOptsList qemu_realtime_opts = {
383 .name = "realtime",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
385 .desc = {
386 {
387 .name = "mlock",
388 .type = QEMU_OPT_BOOL,
389 },
390 { /* end of list */ }
391 },
392 };
393
394 static QemuOptsList qemu_overcommit_opts = {
395 .name = "overcommit",
396 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
397 .desc = {
398 {
399 .name = "mem-lock",
400 .type = QEMU_OPT_BOOL,
401 },
402 {
403 .name = "cpu-pm",
404 .type = QEMU_OPT_BOOL,
405 },
406 { /* end of list */ }
407 },
408 };
409
410 static QemuOptsList qemu_msg_opts = {
411 .name = "msg",
412 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
413 .desc = {
414 {
415 .name = "timestamp",
416 .type = QEMU_OPT_BOOL,
417 },
418 { /* end of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_name_opts = {
423 .name = "name",
424 .implied_opt_name = "guest",
425 .merge_lists = true,
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
427 .desc = {
428 {
429 .name = "guest",
430 .type = QEMU_OPT_STRING,
431 .help = "Sets the name of the guest.\n"
432 "This name will be displayed in the SDL window caption.\n"
433 "The name will also be used for the VNC server",
434 }, {
435 .name = "process",
436 .type = QEMU_OPT_STRING,
437 .help = "Sets the name of the QEMU process, as shown in top etc",
438 }, {
439 .name = "debug-threads",
440 .type = QEMU_OPT_BOOL,
441 .help = "When enabled, name the individual threads; defaults off.\n"
442 "NOTE: The thread names are for debugging and not a\n"
443 "stable API.",
444 },
445 { /* End of list */ }
446 },
447 };
448
449 static QemuOptsList qemu_mem_opts = {
450 .name = "memory",
451 .implied_opt_name = "size",
452 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
453 .merge_lists = true,
454 .desc = {
455 {
456 .name = "size",
457 .type = QEMU_OPT_SIZE,
458 },
459 {
460 .name = "slots",
461 .type = QEMU_OPT_NUMBER,
462 },
463 {
464 .name = "maxmem",
465 .type = QEMU_OPT_SIZE,
466 },
467 { /* end of list */ }
468 },
469 };
470
471 static QemuOptsList qemu_icount_opts = {
472 .name = "icount",
473 .implied_opt_name = "shift",
474 .merge_lists = true,
475 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
476 .desc = {
477 {
478 .name = "shift",
479 .type = QEMU_OPT_STRING,
480 }, {
481 .name = "align",
482 .type = QEMU_OPT_BOOL,
483 }, {
484 .name = "sleep",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "rr",
488 .type = QEMU_OPT_STRING,
489 }, {
490 .name = "rrfile",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "rrsnapshot",
494 .type = QEMU_OPT_STRING,
495 },
496 { /* end of list */ }
497 },
498 };
499
500 static QemuOptsList qemu_fw_cfg_opts = {
501 .name = "fw_cfg",
502 .implied_opt_name = "name",
503 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
504 .desc = {
505 {
506 .name = "name",
507 .type = QEMU_OPT_STRING,
508 .help = "Sets the fw_cfg name of the blob to be inserted",
509 }, {
510 .name = "file",
511 .type = QEMU_OPT_STRING,
512 .help = "Sets the name of the file from which "
513 "the fw_cfg blob will be loaded",
514 }, {
515 .name = "string",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets content of the blob to be inserted from a string",
518 },
519 { /* end of list */ }
520 },
521 };
522
523 /**
524 * Get machine options
525 *
526 * Returns: machine options (never null).
527 */
528 QemuOpts *qemu_get_machine_opts(void)
529 {
530 return qemu_find_opts_singleton("machine");
531 }
532
533 const char *qemu_get_vm_name(void)
534 {
535 return qemu_name;
536 }
537
538 static void res_free(void)
539 {
540 g_free(boot_splash_filedata);
541 boot_splash_filedata = NULL;
542 }
543
544 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
545 {
546 const char *driver = qemu_opt_get(opts, "driver");
547 int i;
548
549 if (!driver)
550 return 0;
551 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
552 if (strcmp(default_list[i].driver, driver) != 0)
553 continue;
554 *(default_list[i].flag) = 0;
555 }
556 return 0;
557 }
558
559 /***********************************************************/
560 /* QEMU state */
561
562 static RunState current_run_state = RUN_STATE_PRECONFIG;
563
564 /* We use RUN_STATE__MAX but any invalid value will do */
565 static RunState vmstop_requested = RUN_STATE__MAX;
566 static QemuMutex vmstop_lock;
567
568 typedef struct {
569 RunState from;
570 RunState to;
571 } RunStateTransition;
572
573 static const RunStateTransition runstate_transitions_def[] = {
574 /* from -> to */
575 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
576 /* Early switch to inmigrate state to allow -incoming CLI option work
577 * as it used to. TODO: delay actual switching to inmigrate state to
578 * the point after machine is built and remove this hack.
579 */
580 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
581
582 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
583 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
585
586 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
588 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
589 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
591 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
593 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
596 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
597 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
598
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
601 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
602
603 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
604 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
605 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
606
607 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
608 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
610 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
611 { RUN_STATE_PAUSED, RUN_STATE_COLO},
612
613 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
614 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
616
617 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
618 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
620
621 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
622 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
623 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
624 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
625 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
626
627 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
628 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
629
630 { RUN_STATE_COLO, RUN_STATE_RUNNING },
631
632 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
633 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
634 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
635 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
636 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
638 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
639 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
640 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
641 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
642 { RUN_STATE_RUNNING, RUN_STATE_COLO},
643
644 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
645
646 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
647 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
651 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
652 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
653 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
655 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
656
657 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
658 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
660 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
661
662 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
663 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
664 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
665
666 { RUN_STATE__MAX, RUN_STATE__MAX },
667 };
668
669 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
670
671 bool runstate_check(RunState state)
672 {
673 return current_run_state == state;
674 }
675
676 bool runstate_store(char *str, size_t size)
677 {
678 const char *state = RunState_str(current_run_state);
679 size_t len = strlen(state) + 1;
680
681 if (len > size) {
682 return false;
683 }
684 memcpy(str, state, len);
685 return true;
686 }
687
688 static void runstate_init(void)
689 {
690 const RunStateTransition *p;
691
692 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
693 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
694 runstate_valid_transitions[p->from][p->to] = true;
695 }
696
697 qemu_mutex_init(&vmstop_lock);
698 }
699
700 /* This function will abort() on invalid state transitions */
701 void runstate_set(RunState new_state)
702 {
703 assert(new_state < RUN_STATE__MAX);
704
705 trace_runstate_set(current_run_state, RunState_str(current_run_state),
706 new_state, RunState_str(new_state));
707
708 if (current_run_state == new_state) {
709 return;
710 }
711
712 if (!runstate_valid_transitions[current_run_state][new_state]) {
713 error_report("invalid runstate transition: '%s' -> '%s'",
714 RunState_str(current_run_state),
715 RunState_str(new_state));
716 abort();
717 }
718
719 current_run_state = new_state;
720 }
721
722 int runstate_is_running(void)
723 {
724 return runstate_check(RUN_STATE_RUNNING);
725 }
726
727 bool runstate_needs_reset(void)
728 {
729 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
730 runstate_check(RUN_STATE_SHUTDOWN);
731 }
732
733 StatusInfo *qmp_query_status(Error **errp)
734 {
735 StatusInfo *info = g_malloc0(sizeof(*info));
736
737 info->running = runstate_is_running();
738 info->singlestep = singlestep;
739 info->status = current_run_state;
740
741 return info;
742 }
743
744 bool qemu_vmstop_requested(RunState *r)
745 {
746 qemu_mutex_lock(&vmstop_lock);
747 *r = vmstop_requested;
748 vmstop_requested = RUN_STATE__MAX;
749 qemu_mutex_unlock(&vmstop_lock);
750 return *r < RUN_STATE__MAX;
751 }
752
753 void qemu_system_vmstop_request_prepare(void)
754 {
755 qemu_mutex_lock(&vmstop_lock);
756 }
757
758 void qemu_system_vmstop_request(RunState state)
759 {
760 vmstop_requested = state;
761 qemu_mutex_unlock(&vmstop_lock);
762 qemu_notify_event();
763 }
764
765 /***********************************************************/
766 /* RTC reference time/date access */
767 static time_t qemu_ref_timedate(QEMUClockType clock)
768 {
769 time_t value = qemu_clock_get_ms(clock) / 1000;
770 switch (clock) {
771 case QEMU_CLOCK_REALTIME:
772 value -= rtc_realtime_clock_offset;
773 /* fall through */
774 case QEMU_CLOCK_VIRTUAL:
775 value += rtc_ref_start_datetime;
776 break;
777 case QEMU_CLOCK_HOST:
778 if (rtc_base_type == RTC_BASE_DATETIME) {
779 value -= rtc_host_datetime_offset;
780 }
781 break;
782 default:
783 assert(0);
784 }
785 return value;
786 }
787
788 void qemu_get_timedate(struct tm *tm, int offset)
789 {
790 time_t ti = qemu_ref_timedate(rtc_clock);
791
792 ti += offset;
793
794 switch (rtc_base_type) {
795 case RTC_BASE_DATETIME:
796 case RTC_BASE_UTC:
797 gmtime_r(&ti, tm);
798 break;
799 case RTC_BASE_LOCALTIME:
800 localtime_r(&ti, tm);
801 break;
802 }
803 }
804
805 int qemu_timedate_diff(struct tm *tm)
806 {
807 time_t seconds;
808
809 switch (rtc_base_type) {
810 case RTC_BASE_DATETIME:
811 case RTC_BASE_UTC:
812 seconds = mktimegm(tm);
813 break;
814 case RTC_BASE_LOCALTIME:
815 {
816 struct tm tmp = *tm;
817 tmp.tm_isdst = -1; /* use timezone to figure it out */
818 seconds = mktime(&tmp);
819 break;
820 }
821 default:
822 abort();
823 }
824
825 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
826 }
827
828 static void configure_rtc_base_datetime(const char *startdate)
829 {
830 time_t rtc_start_datetime;
831 struct tm tm;
832
833 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
834 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
835 /* OK */
836 } else if (sscanf(startdate, "%d-%d-%d",
837 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
838 tm.tm_hour = 0;
839 tm.tm_min = 0;
840 tm.tm_sec = 0;
841 } else {
842 goto date_fail;
843 }
844 tm.tm_year -= 1900;
845 tm.tm_mon--;
846 rtc_start_datetime = mktimegm(&tm);
847 if (rtc_start_datetime == -1) {
848 date_fail:
849 error_report("invalid datetime format");
850 error_printf("valid formats: "
851 "'2006-06-17T16:01:21' or '2006-06-17'\n");
852 exit(1);
853 }
854 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
855 rtc_ref_start_datetime = rtc_start_datetime;
856 }
857
858 static void configure_rtc(QemuOpts *opts)
859 {
860 const char *value;
861
862 /* Set defaults */
863 rtc_clock = QEMU_CLOCK_HOST;
864 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
865 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
866
867 value = qemu_opt_get(opts, "base");
868 if (value) {
869 if (!strcmp(value, "utc")) {
870 rtc_base_type = RTC_BASE_UTC;
871 } else if (!strcmp(value, "localtime")) {
872 Error *blocker = NULL;
873 rtc_base_type = RTC_BASE_LOCALTIME;
874 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
875 "-rtc base=localtime");
876 replay_add_blocker(blocker);
877 } else {
878 rtc_base_type = RTC_BASE_DATETIME;
879 configure_rtc_base_datetime(value);
880 }
881 }
882 value = qemu_opt_get(opts, "clock");
883 if (value) {
884 if (!strcmp(value, "host")) {
885 rtc_clock = QEMU_CLOCK_HOST;
886 } else if (!strcmp(value, "rt")) {
887 rtc_clock = QEMU_CLOCK_REALTIME;
888 } else if (!strcmp(value, "vm")) {
889 rtc_clock = QEMU_CLOCK_VIRTUAL;
890 } else {
891 error_report("invalid option value '%s'", value);
892 exit(1);
893 }
894 }
895 value = qemu_opt_get(opts, "driftfix");
896 if (value) {
897 if (!strcmp(value, "slew")) {
898 object_register_sugar_prop("mc146818rtc",
899 "lost_tick_policy",
900 "slew");
901 } else if (!strcmp(value, "none")) {
902 /* discard is default */
903 } else {
904 error_report("invalid option value '%s'", value);
905 exit(1);
906 }
907 }
908 }
909
910 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
911 {
912 const char *proc_name;
913
914 if (qemu_opt_get(opts, "debug-threads")) {
915 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
916 }
917 qemu_name = qemu_opt_get(opts, "guest");
918
919 proc_name = qemu_opt_get(opts, "process");
920 if (proc_name) {
921 os_set_proc_name(proc_name);
922 }
923
924 return 0;
925 }
926
927 bool defaults_enabled(void)
928 {
929 return has_defaults;
930 }
931
932 #ifndef _WIN32
933 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
934 {
935 int fd, dupfd, flags;
936 int64_t fdset_id;
937 const char *fd_opaque = NULL;
938 AddfdInfo *fdinfo;
939
940 fd = qemu_opt_get_number(opts, "fd", -1);
941 fdset_id = qemu_opt_get_number(opts, "set", -1);
942 fd_opaque = qemu_opt_get(opts, "opaque");
943
944 if (fd < 0) {
945 error_setg(errp, "fd option is required and must be non-negative");
946 return -1;
947 }
948
949 if (fd <= STDERR_FILENO) {
950 error_setg(errp, "fd cannot be a standard I/O stream");
951 return -1;
952 }
953
954 /*
955 * All fds inherited across exec() necessarily have FD_CLOEXEC
956 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
957 */
958 flags = fcntl(fd, F_GETFD);
959 if (flags == -1 || (flags & FD_CLOEXEC)) {
960 error_setg(errp, "fd is not valid or already in use");
961 return -1;
962 }
963
964 if (fdset_id < 0) {
965 error_setg(errp, "set option is required and must be non-negative");
966 return -1;
967 }
968
969 #ifdef F_DUPFD_CLOEXEC
970 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
971 #else
972 dupfd = dup(fd);
973 if (dupfd != -1) {
974 qemu_set_cloexec(dupfd);
975 }
976 #endif
977 if (dupfd == -1) {
978 error_setg(errp, "error duplicating fd: %s", strerror(errno));
979 return -1;
980 }
981
982 /* add the duplicate fd, and optionally the opaque string, to the fd set */
983 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
984 &error_abort);
985 g_free(fdinfo);
986
987 return 0;
988 }
989
990 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
991 {
992 int fd;
993
994 fd = qemu_opt_get_number(opts, "fd", -1);
995 close(fd);
996
997 return 0;
998 }
999 #endif
1000
1001 /***********************************************************/
1002 /* QEMU Block devices */
1003
1004 #define HD_OPTS "media=disk"
1005 #define CDROM_OPTS "media=cdrom"
1006 #define FD_OPTS ""
1007 #define PFLASH_OPTS ""
1008 #define MTD_OPTS ""
1009 #define SD_OPTS ""
1010
1011 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1012 {
1013 BlockInterfaceType *block_default_type = opaque;
1014
1015 return drive_new(opts, *block_default_type, errp) == NULL;
1016 }
1017
1018 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1019 {
1020 if (qemu_opt_get(opts, "snapshot") == NULL) {
1021 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1022 }
1023 return 0;
1024 }
1025
1026 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1027 int index, const char *optstr)
1028 {
1029 QemuOpts *opts;
1030 DriveInfo *dinfo;
1031
1032 if (!enable || drive_get_by_index(type, index)) {
1033 return;
1034 }
1035
1036 opts = drive_add(type, index, NULL, optstr);
1037 if (snapshot) {
1038 drive_enable_snapshot(NULL, opts, NULL);
1039 }
1040
1041 dinfo = drive_new(opts, type, &error_abort);
1042 dinfo->is_default = true;
1043
1044 }
1045
1046 typedef struct BlockdevOptionsQueueEntry {
1047 BlockdevOptions *bdo;
1048 Location loc;
1049 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1050 } BlockdevOptionsQueueEntry;
1051
1052 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1053
1054 static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1055 MachineClass *machine_class, int snapshot)
1056 {
1057 /*
1058 * If the currently selected machine wishes to override the
1059 * units-per-bus property of its default HBA interface type, do so
1060 * now.
1061 */
1062 if (machine_class->units_per_default_bus) {
1063 override_max_devs(machine_class->block_default_type,
1064 machine_class->units_per_default_bus);
1065 }
1066
1067 /* open the virtual block devices */
1068 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1069 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1070
1071 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1072 loc_push_restore(&bdo->loc);
1073 qmp_blockdev_add(bdo->bdo, &error_fatal);
1074 loc_pop(&bdo->loc);
1075 qapi_free_BlockdevOptions(bdo->bdo);
1076 g_free(bdo);
1077 }
1078 if (snapshot) {
1079 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1080 NULL, NULL);
1081 }
1082 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1083 &machine_class->block_default_type, &error_fatal)) {
1084 /* We printed help */
1085 exit(0);
1086 }
1087
1088 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1089 CDROM_OPTS);
1090 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1091 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1092
1093 }
1094
1095 static QemuOptsList qemu_smp_opts = {
1096 .name = "smp-opts",
1097 .implied_opt_name = "cpus",
1098 .merge_lists = true,
1099 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1100 .desc = {
1101 {
1102 .name = "cpus",
1103 .type = QEMU_OPT_NUMBER,
1104 }, {
1105 .name = "sockets",
1106 .type = QEMU_OPT_NUMBER,
1107 }, {
1108 .name = "dies",
1109 .type = QEMU_OPT_NUMBER,
1110 }, {
1111 .name = "cores",
1112 .type = QEMU_OPT_NUMBER,
1113 }, {
1114 .name = "threads",
1115 .type = QEMU_OPT_NUMBER,
1116 }, {
1117 .name = "maxcpus",
1118 .type = QEMU_OPT_NUMBER,
1119 },
1120 { /*End of list */ }
1121 },
1122 };
1123
1124 static void realtime_init(void)
1125 {
1126 if (enable_mlock) {
1127 if (os_mlock() < 0) {
1128 error_report("locking memory failed");
1129 exit(1);
1130 }
1131 }
1132 }
1133
1134
1135 static void configure_msg(QemuOpts *opts)
1136 {
1137 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1138 }
1139
1140
1141 /* Now we still need this for compatibility with XEN. */
1142 bool has_igd_gfx_passthru;
1143 static void igd_gfx_passthru(void)
1144 {
1145 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1146 }
1147
1148 /***********************************************************/
1149 /* USB devices */
1150
1151 static int usb_device_add(const char *devname)
1152 {
1153 USBDevice *dev = NULL;
1154
1155 if (!machine_usb(current_machine)) {
1156 return -1;
1157 }
1158
1159 dev = usbdevice_create(devname);
1160 if (!dev)
1161 return -1;
1162
1163 return 0;
1164 }
1165
1166 static int usb_parse(const char *cmdline)
1167 {
1168 int r;
1169 r = usb_device_add(cmdline);
1170 if (r < 0) {
1171 error_report("could not add USB device '%s'", cmdline);
1172 }
1173 return r;
1174 }
1175
1176 /***********************************************************/
1177 /* machine registration */
1178
1179 MachineState *current_machine;
1180
1181 static MachineClass *find_machine(const char *name, GSList *machines)
1182 {
1183 GSList *el;
1184
1185 for (el = machines; el; el = el->next) {
1186 MachineClass *mc = el->data;
1187
1188 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1189 return mc;
1190 }
1191 }
1192
1193 return NULL;
1194 }
1195
1196 static MachineClass *find_default_machine(GSList *machines)
1197 {
1198 GSList *el;
1199
1200 for (el = machines; el; el = el->next) {
1201 MachineClass *mc = el->data;
1202
1203 if (mc->is_default) {
1204 return mc;
1205 }
1206 }
1207
1208 return NULL;
1209 }
1210
1211 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1212 {
1213 ObjectProperty *prop;
1214 ObjectPropertyIterator iter;
1215
1216 if (!qemu_opt_has_help_opt(opts)) {
1217 return 0;
1218 }
1219
1220 object_property_iter_init(&iter, OBJECT(machine));
1221 while ((prop = object_property_iter_next(&iter))) {
1222 if (!prop->set) {
1223 continue;
1224 }
1225
1226 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1227 prop->name, prop->type);
1228 if (prop->description) {
1229 printf(" (%s)\n", prop->description);
1230 } else {
1231 printf("\n");
1232 }
1233 }
1234
1235 return 1;
1236 }
1237
1238 struct VMChangeStateEntry {
1239 VMChangeStateHandler *cb;
1240 void *opaque;
1241 QTAILQ_ENTRY(VMChangeStateEntry) entries;
1242 int priority;
1243 };
1244
1245 static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head;
1246
1247 /**
1248 * qemu_add_vm_change_state_handler_prio:
1249 * @cb: the callback to invoke
1250 * @opaque: user data passed to the callback
1251 * @priority: low priorities execute first when the vm runs and the reverse is
1252 * true when the vm stops
1253 *
1254 * Register a callback function that is invoked when the vm starts or stops
1255 * running.
1256 *
1257 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1258 */
1259 VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
1260 VMChangeStateHandler *cb, void *opaque, int priority)
1261 {
1262 VMChangeStateEntry *e;
1263 VMChangeStateEntry *other;
1264
1265 e = g_malloc0(sizeof(*e));
1266 e->cb = cb;
1267 e->opaque = opaque;
1268 e->priority = priority;
1269
1270 /* Keep list sorted in ascending priority order */
1271 QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
1272 if (priority < other->priority) {
1273 QTAILQ_INSERT_BEFORE(other, e, entries);
1274 return e;
1275 }
1276 }
1277
1278 QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
1279 return e;
1280 }
1281
1282 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1283 void *opaque)
1284 {
1285 return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
1286 }
1287
1288 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1289 {
1290 QTAILQ_REMOVE(&vm_change_state_head, e, entries);
1291 g_free(e);
1292 }
1293
1294 void vm_state_notify(int running, RunState state)
1295 {
1296 VMChangeStateEntry *e, *next;
1297
1298 trace_vm_state_notify(running, state, RunState_str(state));
1299
1300 if (running) {
1301 QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1302 e->cb(e->opaque, running, state);
1303 }
1304 } else {
1305 QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
1306 e->cb(e->opaque, running, state);
1307 }
1308 }
1309 }
1310
1311 static ShutdownCause reset_requested;
1312 static ShutdownCause shutdown_requested;
1313 static int shutdown_signal;
1314 static pid_t shutdown_pid;
1315 static int powerdown_requested;
1316 static int debug_requested;
1317 static int suspend_requested;
1318 static bool preconfig_exit_requested = true;
1319 static WakeupReason wakeup_reason;
1320 static NotifierList powerdown_notifiers =
1321 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1322 static NotifierList suspend_notifiers =
1323 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1324 static NotifierList wakeup_notifiers =
1325 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1326 static NotifierList shutdown_notifiers =
1327 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1328 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1329
1330 ShutdownCause qemu_shutdown_requested_get(void)
1331 {
1332 return shutdown_requested;
1333 }
1334
1335 ShutdownCause qemu_reset_requested_get(void)
1336 {
1337 return reset_requested;
1338 }
1339
1340 static int qemu_shutdown_requested(void)
1341 {
1342 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1343 }
1344
1345 static void qemu_kill_report(void)
1346 {
1347 if (!qtest_driver() && shutdown_signal) {
1348 if (shutdown_pid == 0) {
1349 /* This happens for eg ^C at the terminal, so it's worth
1350 * avoiding printing an odd message in that case.
1351 */
1352 error_report("terminating on signal %d", shutdown_signal);
1353 } else {
1354 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1355
1356 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1357 shutdown_signal, shutdown_pid,
1358 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1359 g_free(shutdown_cmd);
1360 }
1361 shutdown_signal = 0;
1362 }
1363 }
1364
1365 static ShutdownCause qemu_reset_requested(void)
1366 {
1367 ShutdownCause r = reset_requested;
1368
1369 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1370 reset_requested = SHUTDOWN_CAUSE_NONE;
1371 return r;
1372 }
1373 return SHUTDOWN_CAUSE_NONE;
1374 }
1375
1376 static int qemu_suspend_requested(void)
1377 {
1378 int r = suspend_requested;
1379 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1380 suspend_requested = 0;
1381 return r;
1382 }
1383 return false;
1384 }
1385
1386 static WakeupReason qemu_wakeup_requested(void)
1387 {
1388 return wakeup_reason;
1389 }
1390
1391 static int qemu_powerdown_requested(void)
1392 {
1393 int r = powerdown_requested;
1394 powerdown_requested = 0;
1395 return r;
1396 }
1397
1398 static int qemu_debug_requested(void)
1399 {
1400 int r = debug_requested;
1401 debug_requested = 0;
1402 return r;
1403 }
1404
1405 void qemu_exit_preconfig_request(void)
1406 {
1407 preconfig_exit_requested = true;
1408 }
1409
1410 /*
1411 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1412 */
1413 void qemu_system_reset(ShutdownCause reason)
1414 {
1415 MachineClass *mc;
1416
1417 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1418
1419 cpu_synchronize_all_states();
1420
1421 if (mc && mc->reset) {
1422 mc->reset(current_machine);
1423 } else {
1424 qemu_devices_reset();
1425 }
1426 if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1427 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1428 }
1429 cpu_synchronize_all_post_reset();
1430 }
1431
1432 /*
1433 * Wake the VM after suspend.
1434 */
1435 static void qemu_system_wakeup(void)
1436 {
1437 MachineClass *mc;
1438
1439 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1440
1441 if (mc && mc->wakeup) {
1442 mc->wakeup(current_machine);
1443 }
1444 }
1445
1446 void qemu_system_guest_panicked(GuestPanicInformation *info)
1447 {
1448 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1449
1450 if (current_cpu) {
1451 current_cpu->crash_occurred = true;
1452 }
1453 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1454 !!info, info);
1455 vm_stop(RUN_STATE_GUEST_PANICKED);
1456 if (!no_shutdown) {
1457 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1458 !!info, info);
1459 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1460 }
1461
1462 if (info) {
1463 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1464 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1465 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1466 info->u.hyper_v.arg1,
1467 info->u.hyper_v.arg2,
1468 info->u.hyper_v.arg3,
1469 info->u.hyper_v.arg4,
1470 info->u.hyper_v.arg5);
1471 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1472 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1473 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1474 info->u.s390.core,
1475 S390CrashReason_str(info->u.s390.reason),
1476 info->u.s390.psw_mask,
1477 info->u.s390.psw_addr);
1478 }
1479 qapi_free_GuestPanicInformation(info);
1480 }
1481 }
1482
1483 void qemu_system_reset_request(ShutdownCause reason)
1484 {
1485 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1486 shutdown_requested = reason;
1487 } else {
1488 reset_requested = reason;
1489 }
1490 cpu_stop_current();
1491 qemu_notify_event();
1492 }
1493
1494 static void qemu_system_suspend(void)
1495 {
1496 pause_all_vcpus();
1497 notifier_list_notify(&suspend_notifiers, NULL);
1498 runstate_set(RUN_STATE_SUSPENDED);
1499 qapi_event_send_suspend();
1500 }
1501
1502 void qemu_system_suspend_request(void)
1503 {
1504 if (runstate_check(RUN_STATE_SUSPENDED)) {
1505 return;
1506 }
1507 suspend_requested = 1;
1508 cpu_stop_current();
1509 qemu_notify_event();
1510 }
1511
1512 void qemu_register_suspend_notifier(Notifier *notifier)
1513 {
1514 notifier_list_add(&suspend_notifiers, notifier);
1515 }
1516
1517 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1518 {
1519 trace_system_wakeup_request(reason);
1520
1521 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1522 error_setg(errp,
1523 "Unable to wake up: guest is not in suspended state");
1524 return;
1525 }
1526 if (!(wakeup_reason_mask & (1 << reason))) {
1527 return;
1528 }
1529 runstate_set(RUN_STATE_RUNNING);
1530 wakeup_reason = reason;
1531 qemu_notify_event();
1532 }
1533
1534 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1535 {
1536 if (enabled) {
1537 wakeup_reason_mask |= (1 << reason);
1538 } else {
1539 wakeup_reason_mask &= ~(1 << reason);
1540 }
1541 }
1542
1543 void qemu_register_wakeup_notifier(Notifier *notifier)
1544 {
1545 notifier_list_add(&wakeup_notifiers, notifier);
1546 }
1547
1548 void qemu_register_wakeup_support(void)
1549 {
1550 wakeup_suspend_enabled = true;
1551 }
1552
1553 bool qemu_wakeup_suspend_enabled(void)
1554 {
1555 return wakeup_suspend_enabled;
1556 }
1557
1558 void qemu_system_killed(int signal, pid_t pid)
1559 {
1560 shutdown_signal = signal;
1561 shutdown_pid = pid;
1562 no_shutdown = 0;
1563
1564 /* Cannot call qemu_system_shutdown_request directly because
1565 * we are in a signal handler.
1566 */
1567 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1568 qemu_notify_event();
1569 }
1570
1571 void qemu_system_shutdown_request(ShutdownCause reason)
1572 {
1573 trace_qemu_system_shutdown_request(reason);
1574 replay_shutdown_request(reason);
1575 shutdown_requested = reason;
1576 qemu_notify_event();
1577 }
1578
1579 static void qemu_system_powerdown(void)
1580 {
1581 qapi_event_send_powerdown();
1582 notifier_list_notify(&powerdown_notifiers, NULL);
1583 }
1584
1585 static void qemu_system_shutdown(ShutdownCause cause)
1586 {
1587 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1588 notifier_list_notify(&shutdown_notifiers, &cause);
1589 }
1590
1591 void qemu_system_powerdown_request(void)
1592 {
1593 trace_qemu_system_powerdown_request();
1594 powerdown_requested = 1;
1595 qemu_notify_event();
1596 }
1597
1598 void qemu_register_powerdown_notifier(Notifier *notifier)
1599 {
1600 notifier_list_add(&powerdown_notifiers, notifier);
1601 }
1602
1603 void qemu_register_shutdown_notifier(Notifier *notifier)
1604 {
1605 notifier_list_add(&shutdown_notifiers, notifier);
1606 }
1607
1608 void qemu_system_debug_request(void)
1609 {
1610 debug_requested = 1;
1611 qemu_notify_event();
1612 }
1613
1614 static bool main_loop_should_exit(void)
1615 {
1616 RunState r;
1617 ShutdownCause request;
1618
1619 if (runstate_check(RUN_STATE_FINISH_MIGRATE)) {
1620 return false;
1621 }
1622 if (preconfig_exit_requested) {
1623 if (runstate_check(RUN_STATE_PRECONFIG)) {
1624 runstate_set(RUN_STATE_PRELAUNCH);
1625 }
1626 preconfig_exit_requested = false;
1627 return true;
1628 }
1629 if (qemu_debug_requested()) {
1630 vm_stop(RUN_STATE_DEBUG);
1631 }
1632 if (qemu_suspend_requested()) {
1633 qemu_system_suspend();
1634 }
1635 request = qemu_shutdown_requested();
1636 if (request) {
1637 qemu_kill_report();
1638 qemu_system_shutdown(request);
1639 if (no_shutdown) {
1640 vm_stop(RUN_STATE_SHUTDOWN);
1641 } else {
1642 return true;
1643 }
1644 }
1645 request = qemu_reset_requested();
1646 if (request) {
1647 pause_all_vcpus();
1648 qemu_system_reset(request);
1649 resume_all_vcpus();
1650 if (!runstate_check(RUN_STATE_RUNNING) &&
1651 !runstate_check(RUN_STATE_INMIGRATE)) {
1652 runstate_set(RUN_STATE_PRELAUNCH);
1653 }
1654 }
1655 if (qemu_wakeup_requested()) {
1656 pause_all_vcpus();
1657 qemu_system_wakeup();
1658 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1659 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1660 resume_all_vcpus();
1661 qapi_event_send_wakeup();
1662 }
1663 if (qemu_powerdown_requested()) {
1664 qemu_system_powerdown();
1665 }
1666 if (qemu_vmstop_requested(&r)) {
1667 vm_stop(r);
1668 }
1669 return false;
1670 }
1671
1672 static void main_loop(void)
1673 {
1674 #ifdef CONFIG_PROFILER
1675 int64_t ti;
1676 #endif
1677 while (!main_loop_should_exit()) {
1678 #ifdef CONFIG_PROFILER
1679 ti = profile_getclock();
1680 #endif
1681 main_loop_wait(false);
1682 #ifdef CONFIG_PROFILER
1683 dev_time += profile_getclock() - ti;
1684 #endif
1685 }
1686 }
1687
1688 static void version(void)
1689 {
1690 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1691 QEMU_COPYRIGHT "\n");
1692 }
1693
1694 static void help(int exitcode)
1695 {
1696 version();
1697 printf("usage: %s [options] [disk_image]\n\n"
1698 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1699 error_get_progname());
1700
1701 #define QEMU_OPTIONS_GENERATE_HELP
1702 #include "qemu-options-wrapper.h"
1703
1704 printf("\nDuring emulation, the following keys are useful:\n"
1705 "ctrl-alt-f toggle full screen\n"
1706 "ctrl-alt-n switch to virtual console 'n'\n"
1707 "ctrl-alt toggle mouse and keyboard grab\n"
1708 "\n"
1709 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1710 "\n"
1711 QEMU_HELP_BOTTOM "\n");
1712
1713 exit(exitcode);
1714 }
1715
1716 #define HAS_ARG 0x0001
1717
1718 typedef struct QEMUOption {
1719 const char *name;
1720 int flags;
1721 int index;
1722 uint32_t arch_mask;
1723 } QEMUOption;
1724
1725 static const QEMUOption qemu_options[] = {
1726 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1727 #define QEMU_OPTIONS_GENERATE_OPTIONS
1728 #include "qemu-options-wrapper.h"
1729 { NULL },
1730 };
1731
1732 typedef struct VGAInterfaceInfo {
1733 const char *opt_name; /* option name */
1734 const char *name; /* human-readable name */
1735 /* Class names indicating that support is available.
1736 * If no class is specified, the interface is always available */
1737 const char *class_names[2];
1738 } VGAInterfaceInfo;
1739
1740 static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1741 [VGA_NONE] = {
1742 .opt_name = "none",
1743 .name = "no graphic card",
1744 },
1745 [VGA_STD] = {
1746 .opt_name = "std",
1747 .name = "standard VGA",
1748 .class_names = { "VGA", "isa-vga" },
1749 },
1750 [VGA_CIRRUS] = {
1751 .opt_name = "cirrus",
1752 .name = "Cirrus VGA",
1753 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1754 },
1755 [VGA_VMWARE] = {
1756 .opt_name = "vmware",
1757 .name = "VMWare SVGA",
1758 .class_names = { "vmware-svga" },
1759 },
1760 [VGA_VIRTIO] = {
1761 .opt_name = "virtio",
1762 .name = "Virtio VGA",
1763 .class_names = { "virtio-vga" },
1764 },
1765 [VGA_QXL] = {
1766 .opt_name = "qxl",
1767 .name = "QXL VGA",
1768 .class_names = { "qxl-vga" },
1769 },
1770 [VGA_TCX] = {
1771 .opt_name = "tcx",
1772 .name = "TCX framebuffer",
1773 .class_names = { "SUNW,tcx" },
1774 },
1775 [VGA_CG3] = {
1776 .opt_name = "cg3",
1777 .name = "CG3 framebuffer",
1778 .class_names = { "cgthree" },
1779 },
1780 [VGA_XENFB] = {
1781 .opt_name = "xenfb",
1782 .name = "Xen paravirtualized framebuffer",
1783 },
1784 };
1785
1786 static bool vga_interface_available(VGAInterfaceType t)
1787 {
1788 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1789
1790 assert(t < VGA_TYPE_MAX);
1791 return !ti->class_names[0] ||
1792 object_class_by_name(ti->class_names[0]) ||
1793 object_class_by_name(ti->class_names[1]);
1794 }
1795
1796 static const char *
1797 get_default_vga_model(const MachineClass *machine_class)
1798 {
1799 if (machine_class->default_display) {
1800 return machine_class->default_display;
1801 } else if (vga_interface_available(VGA_CIRRUS)) {
1802 return "cirrus";
1803 } else if (vga_interface_available(VGA_STD)) {
1804 return "std";
1805 }
1806
1807 return NULL;
1808 }
1809
1810 static void select_vgahw(const MachineClass *machine_class, const char *p)
1811 {
1812 const char *opts;
1813 int t;
1814
1815 if (g_str_equal(p, "help")) {
1816 const char *def = get_default_vga_model(machine_class);
1817
1818 for (t = 0; t < VGA_TYPE_MAX; t++) {
1819 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1820
1821 if (vga_interface_available(t) && ti->opt_name) {
1822 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
1823 g_str_equal(ti->opt_name, def) ? " (default)" : "");
1824 }
1825 }
1826 exit(0);
1827 }
1828
1829 assert(vga_interface_type == VGA_NONE);
1830 for (t = 0; t < VGA_TYPE_MAX; t++) {
1831 const VGAInterfaceInfo *ti = &vga_interfaces[t];
1832 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1833 if (!vga_interface_available(t)) {
1834 error_report("%s not available", ti->name);
1835 exit(1);
1836 }
1837 vga_interface_type = t;
1838 break;
1839 }
1840 }
1841 if (t == VGA_TYPE_MAX) {
1842 invalid_vga:
1843 error_report("unknown vga type: %s", p);
1844 exit(1);
1845 }
1846 while (*opts) {
1847 const char *nextopt;
1848
1849 if (strstart(opts, ",retrace=", &nextopt)) {
1850 opts = nextopt;
1851 if (strstart(opts, "dumb", &nextopt))
1852 vga_retrace_method = VGA_RETRACE_DUMB;
1853 else if (strstart(opts, "precise", &nextopt))
1854 vga_retrace_method = VGA_RETRACE_PRECISE;
1855 else goto invalid_vga;
1856 } else goto invalid_vga;
1857 opts = nextopt;
1858 }
1859 }
1860
1861 static void parse_display_qapi(const char *optarg)
1862 {
1863 DisplayOptions *opts;
1864 Visitor *v;
1865
1866 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
1867
1868 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
1869 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
1870
1871 qapi_free_DisplayOptions(opts);
1872 visit_free(v);
1873 }
1874
1875 DisplayOptions *qmp_query_display_options(Error **errp)
1876 {
1877 return QAPI_CLONE(DisplayOptions, &dpy);
1878 }
1879
1880 static void parse_display(const char *p)
1881 {
1882 const char *opts;
1883
1884 if (strstart(p, "sdl", &opts)) {
1885 /*
1886 * sdl DisplayType needs hand-crafted parser instead of
1887 * parse_display_qapi() due to some options not in
1888 * DisplayOptions, specifically:
1889 * - frame
1890 * Already deprecated.
1891 * - ctrl_grab + alt_grab
1892 * Not clear yet what happens to them long-term. Should
1893 * replaced by something better or deprecated and dropped.
1894 */
1895 dpy.type = DISPLAY_TYPE_SDL;
1896 while (*opts) {
1897 const char *nextopt;
1898
1899 if (strstart(opts, ",alt_grab=", &nextopt)) {
1900 opts = nextopt;
1901 if (strstart(opts, "on", &nextopt)) {
1902 alt_grab = 1;
1903 } else if (strstart(opts, "off", &nextopt)) {
1904 alt_grab = 0;
1905 } else {
1906 goto invalid_sdl_args;
1907 }
1908 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1909 opts = nextopt;
1910 if (strstart(opts, "on", &nextopt)) {
1911 ctrl_grab = 1;
1912 } else if (strstart(opts, "off", &nextopt)) {
1913 ctrl_grab = 0;
1914 } else {
1915 goto invalid_sdl_args;
1916 }
1917 } else if (strstart(opts, ",window_close=", &nextopt)) {
1918 opts = nextopt;
1919 dpy.has_window_close = true;
1920 if (strstart(opts, "on", &nextopt)) {
1921 dpy.window_close = true;
1922 } else if (strstart(opts, "off", &nextopt)) {
1923 dpy.window_close = false;
1924 } else {
1925 goto invalid_sdl_args;
1926 }
1927 } else if (strstart(opts, ",gl=", &nextopt)) {
1928 opts = nextopt;
1929 dpy.has_gl = true;
1930 if (strstart(opts, "on", &nextopt)) {
1931 dpy.gl = DISPLAYGL_MODE_ON;
1932 } else if (strstart(opts, "core", &nextopt)) {
1933 dpy.gl = DISPLAYGL_MODE_CORE;
1934 } else if (strstart(opts, "es", &nextopt)) {
1935 dpy.gl = DISPLAYGL_MODE_ES;
1936 } else if (strstart(opts, "off", &nextopt)) {
1937 dpy.gl = DISPLAYGL_MODE_OFF;
1938 } else {
1939 goto invalid_sdl_args;
1940 }
1941 } else {
1942 invalid_sdl_args:
1943 error_report("invalid SDL option string");
1944 exit(1);
1945 }
1946 opts = nextopt;
1947 }
1948 } else if (strstart(p, "vnc", &opts)) {
1949 /*
1950 * vnc isn't a (local) DisplayType but a protocol for remote
1951 * display access.
1952 */
1953 if (*opts == '=') {
1954 vnc_parse(opts + 1, &error_fatal);
1955 } else {
1956 error_report("VNC requires a display argument vnc=<display>");
1957 exit(1);
1958 }
1959 } else {
1960 parse_display_qapi(p);
1961 }
1962 }
1963
1964 char *qemu_find_file(int type, const char *name)
1965 {
1966 int i;
1967 const char *subdir;
1968 char *buf;
1969
1970 /* Try the name as a straight path first */
1971 if (access(name, R_OK) == 0) {
1972 trace_load_file(name, name);
1973 return g_strdup(name);
1974 }
1975
1976 switch (type) {
1977 case QEMU_FILE_TYPE_BIOS:
1978 subdir = "";
1979 break;
1980 case QEMU_FILE_TYPE_KEYMAP:
1981 subdir = "keymaps/";
1982 break;
1983 default:
1984 abort();
1985 }
1986
1987 for (i = 0; i < data_dir_idx; i++) {
1988 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
1989 if (access(buf, R_OK) == 0) {
1990 trace_load_file(name, buf);
1991 return buf;
1992 }
1993 g_free(buf);
1994 }
1995 return NULL;
1996 }
1997
1998 static void qemu_add_data_dir(const char *path)
1999 {
2000 int i;
2001
2002 if (path == NULL) {
2003 return;
2004 }
2005 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2006 return;
2007 }
2008 for (i = 0; i < data_dir_idx; i++) {
2009 if (strcmp(data_dir[i], path) == 0) {
2010 return; /* duplicate */
2011 }
2012 }
2013 data_dir[data_dir_idx++] = g_strdup(path);
2014 }
2015
2016 static inline bool nonempty_str(const char *str)
2017 {
2018 return str && *str;
2019 }
2020
2021 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2022 {
2023 gchar *buf;
2024 size_t size;
2025 const char *name, *file, *str;
2026 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2027
2028 if (fw_cfg == NULL) {
2029 error_setg(errp, "fw_cfg device not available");
2030 return -1;
2031 }
2032 name = qemu_opt_get(opts, "name");
2033 file = qemu_opt_get(opts, "file");
2034 str = qemu_opt_get(opts, "string");
2035
2036 /* we need name and either a file or the content string */
2037 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2038 error_setg(errp, "invalid argument(s)");
2039 return -1;
2040 }
2041 if (nonempty_str(file) && nonempty_str(str)) {
2042 error_setg(errp, "file and string are mutually exclusive");
2043 return -1;
2044 }
2045 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2046 error_setg(errp, "name too long (max. %d char)",
2047 FW_CFG_MAX_FILE_PATH - 1);
2048 return -1;
2049 }
2050 if (strncmp(name, "opt/", 4) != 0) {
2051 warn_report("externally provided fw_cfg item names "
2052 "should be prefixed with \"opt/\"");
2053 }
2054 if (nonempty_str(str)) {
2055 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2056 buf = g_memdup(str, size);
2057 } else {
2058 GError *err = NULL;
2059 if (!g_file_get_contents(file, &buf, &size, &err)) {
2060 error_setg(errp, "can't load %s: %s", file, err->message);
2061 g_error_free(err);
2062 return -1;
2063 }
2064 }
2065 /* For legacy, keep user files in a specific global order. */
2066 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2067 fw_cfg_add_file(fw_cfg, name, buf, size);
2068 fw_cfg_reset_order_override(fw_cfg);
2069 return 0;
2070 }
2071
2072 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2073 {
2074 return qdev_device_help(opts);
2075 }
2076
2077 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2078 {
2079 DeviceState *dev;
2080
2081 dev = qdev_device_add(opts, errp);
2082 if (!dev && *errp) {
2083 error_report_err(*errp);
2084 return -1;
2085 } else if (dev) {
2086 object_unref(OBJECT(dev));
2087 }
2088 return 0;
2089 }
2090
2091 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2092 {
2093 Error *local_err = NULL;
2094
2095 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2096 if (local_err) {
2097 error_propagate(errp, local_err);
2098 return -1;
2099 }
2100 exit(0);
2101 }
2102 return 0;
2103 }
2104
2105 #ifdef CONFIG_VIRTFS
2106 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2107 {
2108 return qemu_fsdev_add(opts, errp);
2109 }
2110 #endif
2111
2112 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2113 {
2114 Chardev *chr;
2115 bool qmp;
2116 bool pretty = false;
2117 const char *chardev;
2118 const char *mode;
2119
2120 mode = qemu_opt_get(opts, "mode");
2121 if (mode == NULL) {
2122 mode = "readline";
2123 }
2124 if (strcmp(mode, "readline") == 0) {
2125 qmp = false;
2126 } else if (strcmp(mode, "control") == 0) {
2127 qmp = true;
2128 } else {
2129 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2130 return -1;
2131 }
2132
2133 if (!qmp && qemu_opt_get(opts, "pretty")) {
2134 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2135 "and will be removed in future versions");
2136 }
2137 if (qemu_opt_get_bool(opts, "pretty", 0)) {
2138 pretty = true;
2139 }
2140
2141 chardev = qemu_opt_get(opts, "chardev");
2142 if (!chardev) {
2143 error_report("chardev is required");
2144 exit(1);
2145 }
2146 chr = qemu_chr_find(chardev);
2147 if (chr == NULL) {
2148 error_setg(errp, "chardev \"%s\" not found", chardev);
2149 return -1;
2150 }
2151
2152 if (qmp) {
2153 monitor_init_qmp(chr, pretty);
2154 } else {
2155 monitor_init_hmp(chr, true);
2156 }
2157 return 0;
2158 }
2159
2160 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2161 {
2162 static int monitor_device_index = 0;
2163 QemuOpts *opts;
2164 const char *p;
2165 char label[32];
2166
2167 if (strstart(optarg, "chardev:", &p)) {
2168 snprintf(label, sizeof(label), "%s", p);
2169 } else {
2170 snprintf(label, sizeof(label), "compat_monitor%d",
2171 monitor_device_index);
2172 opts = qemu_chr_parse_compat(label, optarg, true);
2173 if (!opts) {
2174 error_report("parse error: %s", optarg);
2175 exit(1);
2176 }
2177 }
2178
2179 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2180 qemu_opt_set(opts, "mode", mode, &error_abort);
2181 qemu_opt_set(opts, "chardev", label, &error_abort);
2182 if (!strcmp(mode, "control")) {
2183 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2184 } else {
2185 assert(pretty == false);
2186 }
2187 monitor_device_index++;
2188 }
2189
2190 struct device_config {
2191 enum {
2192 DEV_USB, /* -usbdevice */
2193 DEV_SERIAL, /* -serial */
2194 DEV_PARALLEL, /* -parallel */
2195 DEV_DEBUGCON, /* -debugcon */
2196 DEV_GDB, /* -gdb, -s */
2197 DEV_SCLP, /* s390 sclp */
2198 } type;
2199 const char *cmdline;
2200 Location loc;
2201 QTAILQ_ENTRY(device_config) next;
2202 };
2203
2204 static QTAILQ_HEAD(, device_config) device_configs =
2205 QTAILQ_HEAD_INITIALIZER(device_configs);
2206
2207 static void add_device_config(int type, const char *cmdline)
2208 {
2209 struct device_config *conf;
2210
2211 conf = g_malloc0(sizeof(*conf));
2212 conf->type = type;
2213 conf->cmdline = cmdline;
2214 loc_save(&conf->loc);
2215 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2216 }
2217
2218 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2219 {
2220 struct device_config *conf;
2221 int rc;
2222
2223 QTAILQ_FOREACH(conf, &device_configs, next) {
2224 if (conf->type != type)
2225 continue;
2226 loc_push_restore(&conf->loc);
2227 rc = func(conf->cmdline);
2228 loc_pop(&conf->loc);
2229 if (rc) {
2230 return rc;
2231 }
2232 }
2233 return 0;
2234 }
2235
2236 static int serial_parse(const char *devname)
2237 {
2238 int index = num_serial_hds;
2239 char label[32];
2240
2241 if (strcmp(devname, "none") == 0)
2242 return 0;
2243 snprintf(label, sizeof(label), "serial%d", index);
2244 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2245
2246 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2247 if (!serial_hds[index]) {
2248 error_report("could not connect serial device"
2249 " to character backend '%s'", devname);
2250 return -1;
2251 }
2252 num_serial_hds++;
2253 return 0;
2254 }
2255
2256 Chardev *serial_hd(int i)
2257 {
2258 assert(i >= 0);
2259 if (i < num_serial_hds) {
2260 return serial_hds[i];
2261 }
2262 return NULL;
2263 }
2264
2265 int serial_max_hds(void)
2266 {
2267 return num_serial_hds;
2268 }
2269
2270 static int parallel_parse(const char *devname)
2271 {
2272 static int index = 0;
2273 char label[32];
2274
2275 if (strcmp(devname, "none") == 0)
2276 return 0;
2277 if (index == MAX_PARALLEL_PORTS) {
2278 error_report("too many parallel ports");
2279 exit(1);
2280 }
2281 snprintf(label, sizeof(label), "parallel%d", index);
2282 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2283 if (!parallel_hds[index]) {
2284 error_report("could not connect parallel device"
2285 " to character backend '%s'", devname);
2286 return -1;
2287 }
2288 index++;
2289 return 0;
2290 }
2291
2292 static int debugcon_parse(const char *devname)
2293 {
2294 QemuOpts *opts;
2295
2296 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2297 error_report("invalid character backend '%s'", devname);
2298 exit(1);
2299 }
2300 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2301 if (!opts) {
2302 error_report("already have a debugcon device");
2303 exit(1);
2304 }
2305 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2306 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2307 return 0;
2308 }
2309
2310 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2311 {
2312 const MachineClass *mc1 = a, *mc2 = b;
2313 int res;
2314
2315 if (mc1->family == NULL) {
2316 if (mc2->family == NULL) {
2317 /* Compare standalone machine types against each other; they sort
2318 * in increasing order.
2319 */
2320 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2321 object_class_get_name(OBJECT_CLASS(mc2)));
2322 }
2323
2324 /* Standalone machine types sort after families. */
2325 return 1;
2326 }
2327
2328 if (mc2->family == NULL) {
2329 /* Families sort before standalone machine types. */
2330 return -1;
2331 }
2332
2333 /* Families sort between each other alphabetically increasingly. */
2334 res = strcmp(mc1->family, mc2->family);
2335 if (res != 0) {
2336 return res;
2337 }
2338
2339 /* Within the same family, machine types sort in decreasing order. */
2340 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2341 object_class_get_name(OBJECT_CLASS(mc1)));
2342 }
2343
2344 static MachineClass *machine_parse(const char *name, GSList *machines)
2345 {
2346 MachineClass *mc;
2347 GSList *el;
2348
2349 if (is_help_option(name)) {
2350 printf("Supported machines are:\n");
2351 machines = g_slist_sort(machines, machine_class_cmp);
2352 for (el = machines; el; el = el->next) {
2353 MachineClass *mc = el->data;
2354 if (mc->alias) {
2355 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2356 }
2357 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2358 mc->is_default ? " (default)" : "",
2359 mc->deprecation_reason ? " (deprecated)" : "");
2360 }
2361 exit(0);
2362 }
2363
2364 mc = find_machine(name, machines);
2365 if (!mc) {
2366 error_report("unsupported machine type");
2367 error_printf("Use -machine help to list supported machines\n");
2368 exit(1);
2369 }
2370 return mc;
2371 }
2372
2373 void qemu_add_exit_notifier(Notifier *notify)
2374 {
2375 notifier_list_add(&exit_notifiers, notify);
2376 }
2377
2378 void qemu_remove_exit_notifier(Notifier *notify)
2379 {
2380 notifier_remove(notify);
2381 }
2382
2383 static void qemu_run_exit_notifiers(void)
2384 {
2385 notifier_list_notify(&exit_notifiers, NULL);
2386 }
2387
2388 static const char *pid_file;
2389 static Notifier qemu_unlink_pidfile_notifier;
2390
2391 static void qemu_unlink_pidfile(Notifier *n, void *data)
2392 {
2393 if (pid_file) {
2394 unlink(pid_file);
2395 }
2396 }
2397
2398 bool machine_init_done;
2399
2400 void qemu_add_machine_init_done_notifier(Notifier *notify)
2401 {
2402 notifier_list_add(&machine_init_done_notifiers, notify);
2403 if (machine_init_done) {
2404 notify->notify(notify, NULL);
2405 }
2406 }
2407
2408 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2409 {
2410 notifier_remove(notify);
2411 }
2412
2413 static void qemu_run_machine_init_done_notifiers(void)
2414 {
2415 machine_init_done = true;
2416 notifier_list_notify(&machine_init_done_notifiers, NULL);
2417 }
2418
2419 static const QEMUOption *lookup_opt(int argc, char **argv,
2420 const char **poptarg, int *poptind)
2421 {
2422 const QEMUOption *popt;
2423 int optind = *poptind;
2424 char *r = argv[optind];
2425 const char *optarg;
2426
2427 loc_set_cmdline(argv, optind, 1);
2428 optind++;
2429 /* Treat --foo the same as -foo. */
2430 if (r[1] == '-')
2431 r++;
2432 popt = qemu_options;
2433 for(;;) {
2434 if (!popt->name) {
2435 error_report("invalid option");
2436 exit(1);
2437 }
2438 if (!strcmp(popt->name, r + 1))
2439 break;
2440 popt++;
2441 }
2442 if (popt->flags & HAS_ARG) {
2443 if (optind >= argc) {
2444 error_report("requires an argument");
2445 exit(1);
2446 }
2447 optarg = argv[optind++];
2448 loc_set_cmdline(argv, optind - 2, 2);
2449 } else {
2450 optarg = NULL;
2451 }
2452
2453 *poptarg = optarg;
2454 *poptind = optind;
2455
2456 return popt;
2457 }
2458
2459 static MachineClass *select_machine(void)
2460 {
2461 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2462 MachineClass *machine_class = find_default_machine(machines);
2463 const char *optarg;
2464 QemuOpts *opts;
2465 Location loc;
2466
2467 loc_push_none(&loc);
2468
2469 opts = qemu_get_machine_opts();
2470 qemu_opts_loc_restore(opts);
2471
2472 optarg = qemu_opt_get(opts, "type");
2473 if (optarg) {
2474 machine_class = machine_parse(optarg, machines);
2475 }
2476
2477 if (!machine_class) {
2478 error_report("No machine specified, and there is no default");
2479 error_printf("Use -machine help to list supported machines\n");
2480 exit(1);
2481 }
2482
2483 loc_pop(&loc);
2484 g_slist_free(machines);
2485 return machine_class;
2486 }
2487
2488 static int object_parse_property_opt(Object *obj,
2489 const char *name, const char *value,
2490 const char *skip, Error **errp)
2491 {
2492 Error *local_err = NULL;
2493
2494 if (g_str_equal(name, skip)) {
2495 return 0;
2496 }
2497
2498 object_property_parse(obj, value, name, &local_err);
2499
2500 if (local_err) {
2501 error_propagate(errp, local_err);
2502 return -1;
2503 }
2504
2505 return 0;
2506 }
2507
2508 static int machine_set_property(void *opaque,
2509 const char *name, const char *value,
2510 Error **errp)
2511 {
2512 g_autofree char *qom_name = g_strdup(name);
2513 char *p;
2514
2515 for (p = qom_name; *p; p++) {
2516 if (*p == '_') {
2517 *p = '-';
2518 }
2519 }
2520
2521 /* Legacy options do not correspond to MachineState properties. */
2522 if (g_str_equal(qom_name, "accel")) {
2523 return 0;
2524 }
2525
2526 return object_parse_property_opt(opaque, name, value, "type", errp);
2527 }
2528
2529 /*
2530 * Initial object creation happens before all other
2531 * QEMU data types are created. The majority of objects
2532 * can be created at this point. The rng-egd object
2533 * cannot be created here, as it depends on the chardev
2534 * already existing.
2535 */
2536 static bool object_create_initial(const char *type, QemuOpts *opts)
2537 {
2538 if (user_creatable_print_help(type, opts)) {
2539 exit(0);
2540 }
2541
2542 /*
2543 * Objects should not be made "delayed" without a reason. If you
2544 * add one, state the reason in a comment!
2545 */
2546
2547 /* Reason: rng-egd property "chardev" */
2548 if (g_str_equal(type, "rng-egd")) {
2549 return false;
2550 }
2551
2552 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2553 /* Reason: cryptodev-vhost-user property "chardev" */
2554 if (g_str_equal(type, "cryptodev-vhost-user")) {
2555 return false;
2556 }
2557 #endif
2558
2559 /*
2560 * Reason: filter-* property "netdev" etc.
2561 */
2562 if (g_str_equal(type, "filter-buffer") ||
2563 g_str_equal(type, "filter-dump") ||
2564 g_str_equal(type, "filter-mirror") ||
2565 g_str_equal(type, "filter-redirector") ||
2566 g_str_equal(type, "colo-compare") ||
2567 g_str_equal(type, "filter-rewriter") ||
2568 g_str_equal(type, "filter-replay")) {
2569 return false;
2570 }
2571
2572 /* Memory allocation by backends needs to be done
2573 * after configure_accelerator() (due to the tcg_enabled()
2574 * checks at memory_region_init_*()).
2575 *
2576 * Also, allocation of large amounts of memory may delay
2577 * chardev initialization for too long, and trigger timeouts
2578 * on software that waits for a monitor socket to be created
2579 * (e.g. libvirt).
2580 */
2581 if (g_str_has_prefix(type, "memory-backend-")) {
2582 return false;
2583 }
2584
2585 return true;
2586 }
2587
2588
2589 /*
2590 * The remainder of object creation happens after the
2591 * creation of chardev, fsdev, net clients and device data types.
2592 */
2593 static bool object_create_delayed(const char *type, QemuOpts *opts)
2594 {
2595 return !object_create_initial(type, opts);
2596 }
2597
2598
2599 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2600 MachineClass *mc)
2601 {
2602 uint64_t sz;
2603 const char *mem_str;
2604 const ram_addr_t default_ram_size = mc->default_ram_size;
2605 QemuOpts *opts = qemu_find_opts_singleton("memory");
2606 Location loc;
2607
2608 loc_push_none(&loc);
2609 qemu_opts_loc_restore(opts);
2610
2611 sz = 0;
2612 mem_str = qemu_opt_get(opts, "size");
2613 if (mem_str) {
2614 if (!*mem_str) {
2615 error_report("missing 'size' option value");
2616 exit(EXIT_FAILURE);
2617 }
2618
2619 sz = qemu_opt_get_size(opts, "size", ram_size);
2620
2621 /* Fix up legacy suffix-less format */
2622 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2623 uint64_t overflow_check = sz;
2624
2625 sz *= MiB;
2626 if (sz / MiB != overflow_check) {
2627 error_report("too large 'size' option value");
2628 exit(EXIT_FAILURE);
2629 }
2630 }
2631 }
2632
2633 /* backward compatibility behaviour for case "-m 0" */
2634 if (sz == 0) {
2635 sz = default_ram_size;
2636 }
2637
2638 sz = QEMU_ALIGN_UP(sz, 8192);
2639 ram_size = sz;
2640 if (ram_size != sz) {
2641 error_report("ram size too large");
2642 exit(EXIT_FAILURE);
2643 }
2644
2645 /* store value for the future use */
2646 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2647 *maxram_size = ram_size;
2648
2649 if (qemu_opt_get(opts, "maxmem")) {
2650 uint64_t slots;
2651
2652 sz = qemu_opt_get_size(opts, "maxmem", 0);
2653 slots = qemu_opt_get_number(opts, "slots", 0);
2654 if (sz < ram_size) {
2655 error_report("invalid value of -m option maxmem: "
2656 "maximum memory size (0x%" PRIx64 ") must be at least "
2657 "the initial memory size (0x" RAM_ADDR_FMT ")",
2658 sz, ram_size);
2659 exit(EXIT_FAILURE);
2660 } else if (slots && sz == ram_size) {
2661 error_report("invalid value of -m option maxmem: "
2662 "memory slots were specified but maximum memory size "
2663 "(0x%" PRIx64 ") is equal to the initial memory size "
2664 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2665 exit(EXIT_FAILURE);
2666 }
2667
2668 *maxram_size = sz;
2669 *ram_slots = slots;
2670 } else if (qemu_opt_get(opts, "slots")) {
2671 error_report("invalid -m option value: missing 'maxmem' option");
2672 exit(EXIT_FAILURE);
2673 }
2674
2675 loc_pop(&loc);
2676 }
2677
2678 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2679 {
2680 GlobalProperty *g;
2681
2682 g = g_malloc0(sizeof(*g));
2683 g->driver = qemu_opt_get(opts, "driver");
2684 g->property = qemu_opt_get(opts, "property");
2685 g->value = qemu_opt_get(opts, "value");
2686 qdev_prop_register_global(g);
2687 return 0;
2688 }
2689
2690 static int qemu_read_default_config_file(void)
2691 {
2692 int ret;
2693
2694 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2695 if (ret < 0 && ret != -ENOENT) {
2696 return ret;
2697 }
2698
2699 return 0;
2700 }
2701
2702 static void user_register_global_props(void)
2703 {
2704 qemu_opts_foreach(qemu_find_opts("global"),
2705 global_init_func, NULL, NULL);
2706 }
2707
2708 static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
2709 {
2710 configure_icount(opts, errp);
2711 return 0;
2712 }
2713
2714 static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
2715 {
2716 bool *p_init_failed = opaque;
2717 const char *acc = qemu_opt_get(opts, "accel");
2718 AccelClass *ac = accel_find(acc);
2719 AccelState *accel;
2720 int ret;
2721
2722 if (!ac) {
2723 *p_init_failed = true;
2724 error_report("invalid accelerator %s", acc);
2725 return 0;
2726 }
2727 accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
2728 ret = accel_init_machine(accel, current_machine);
2729 if (ret < 0) {
2730 *p_init_failed = true;
2731 error_report("failed to initialize %s: %s",
2732 acc, strerror(-ret));
2733 return 0;
2734 }
2735
2736 if (tcg_enabled()) {
2737 qemu_tcg_configure(opts, &error_fatal);
2738 }
2739 return 1;
2740 }
2741
2742 static void configure_accelerators(const char *progname)
2743 {
2744 const char *accel;
2745 char **accel_list, **tmp;
2746 bool accel_initialised = false;
2747 bool init_failed = false;
2748
2749 qemu_opts_foreach(qemu_find_opts("icount"),
2750 do_configure_icount, NULL, &error_fatal);
2751
2752 accel = qemu_opt_get(qemu_get_machine_opts(), "accel");
2753 if (QTAILQ_EMPTY(&qemu_accel_opts.head)) {
2754 if (accel == NULL) {
2755 /* Select the default accelerator */
2756 if (!accel_find("tcg") && !accel_find("kvm")) {
2757 error_report("No accelerator selected and"
2758 " no default accelerator available");
2759 exit(1);
2760 } else {
2761 int pnlen = strlen(progname);
2762 if (pnlen >= 3 && g_str_equal(&progname[pnlen - 3], "kvm")) {
2763 /* If the program name ends with "kvm", we prefer KVM */
2764 accel = "kvm:tcg";
2765 } else {
2766 accel = "tcg:kvm";
2767 }
2768 }
2769 }
2770
2771 accel_list = g_strsplit(accel, ":", 0);
2772
2773 for (tmp = accel_list; !accel_initialised && tmp && *tmp; tmp++) {
2774 /*
2775 * Filter invalid accelerators here, to prevent obscenities
2776 * such as "-machine accel=tcg,,thread=single".
2777 */
2778 if (accel_find(*tmp)) {
2779 qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true);
2780 } else {
2781 init_failed = true;
2782 error_report("invalid accelerator %s", *tmp);
2783 }
2784 }
2785 } else {
2786 if (accel != NULL) {
2787 error_report("The -accel and \"-machine accel=\" options are incompatible");
2788 exit(1);
2789 }
2790 }
2791
2792 if (!qemu_opts_foreach(qemu_find_opts("accel"),
2793 do_configure_accelerator, &init_failed, &error_fatal)) {
2794 if (!init_failed) {
2795 error_report("no accelerator found");
2796 }
2797 exit(1);
2798 }
2799
2800 if (init_failed) {
2801 AccelClass *ac = ACCEL_GET_CLASS(current_machine->accelerator);
2802 error_report("falling back to %s", ac->name);
2803 }
2804
2805 if (use_icount && !(tcg_enabled() || qtest_enabled())) {
2806 error_report("-icount is not allowed with hardware virtualization");
2807 exit(1);
2808 }
2809 }
2810
2811 int main(int argc, char **argv, char **envp)
2812 {
2813 int i;
2814 int snapshot, linux_boot;
2815 const char *initrd_filename;
2816 const char *kernel_filename, *kernel_cmdline;
2817 const char *boot_order = NULL;
2818 const char *boot_once = NULL;
2819 DisplayState *ds;
2820 QemuOpts *opts, *machine_opts;
2821 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2822 QemuOptsList *olist;
2823 int optind;
2824 const char *optarg;
2825 const char *loadvm = NULL;
2826 MachineClass *machine_class;
2827 const char *cpu_option;
2828 const char *vga_model = NULL;
2829 const char *qtest_chrdev = NULL;
2830 const char *qtest_log = NULL;
2831 const char *incoming = NULL;
2832 bool userconfig = true;
2833 bool nographic = false;
2834 int display_remote = 0;
2835 const char *log_mask = NULL;
2836 const char *log_file = NULL;
2837 char *trace_file = NULL;
2838 ram_addr_t maxram_size;
2839 uint64_t ram_slots = 0;
2840 FILE *vmstate_dump_file = NULL;
2841 Error *main_loop_err = NULL;
2842 Error *err = NULL;
2843 bool list_data_dirs = false;
2844 char *dir, **dirs;
2845 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2846 QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
2847
2848 os_set_line_buffering();
2849
2850 error_init(argv[0]);
2851 module_call_init(MODULE_INIT_TRACE);
2852
2853 qemu_init_cpu_list();
2854 qemu_init_cpu_loop();
2855
2856 qemu_mutex_lock_iothread();
2857
2858 atexit(qemu_run_exit_notifiers);
2859 qemu_init_exec_dir(argv[0]);
2860
2861 module_call_init(MODULE_INIT_QOM);
2862
2863 qemu_add_opts(&qemu_drive_opts);
2864 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2865 qemu_add_drive_opts(&qemu_common_drive_opts);
2866 qemu_add_drive_opts(&qemu_drive_opts);
2867 qemu_add_drive_opts(&bdrv_runtime_opts);
2868 qemu_add_opts(&qemu_chardev_opts);
2869 qemu_add_opts(&qemu_device_opts);
2870 qemu_add_opts(&qemu_netdev_opts);
2871 qemu_add_opts(&qemu_nic_opts);
2872 qemu_add_opts(&qemu_net_opts);
2873 qemu_add_opts(&qemu_rtc_opts);
2874 qemu_add_opts(&qemu_global_opts);
2875 qemu_add_opts(&qemu_mon_opts);
2876 qemu_add_opts(&qemu_trace_opts);
2877 qemu_plugin_add_opts();
2878 qemu_add_opts(&qemu_option_rom_opts);
2879 qemu_add_opts(&qemu_machine_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_realtime_opts);
2888 qemu_add_opts(&qemu_overcommit_opts);
2889 qemu_add_opts(&qemu_msg_opts);
2890 qemu_add_opts(&qemu_name_opts);
2891 qemu_add_opts(&qemu_numa_opts);
2892 qemu_add_opts(&qemu_icount_opts);
2893 qemu_add_opts(&qemu_semihosting_config_opts);
2894 qemu_add_opts(&qemu_fw_cfg_opts);
2895 module_call_init(MODULE_INIT_OPTS);
2896
2897 runstate_init();
2898 precopy_infrastructure_init();
2899 postcopy_infrastructure_init();
2900 monitor_init_globals();
2901
2902 if (qcrypto_init(&err) < 0) {
2903 error_reportf_err(err, "cannot initialize crypto: ");
2904 exit(1);
2905 }
2906
2907 QTAILQ_INIT(&vm_change_state_head);
2908 os_setup_early_signal_handling();
2909
2910 cpu_option = NULL;
2911 snapshot = 0;
2912
2913 nb_nics = 0;
2914
2915 bdrv_init_with_whitelist();
2916
2917 autostart = 1;
2918
2919 /* first pass of option parsing */
2920 optind = 1;
2921 while (optind < argc) {
2922 if (argv[optind][0] != '-') {
2923 /* disk image */
2924 optind++;
2925 } else {
2926 const QEMUOption *popt;
2927
2928 popt = lookup_opt(argc, argv, &optarg, &optind);
2929 switch (popt->index) {
2930 case QEMU_OPTION_nouserconfig:
2931 userconfig = false;
2932 break;
2933 }
2934 }
2935 }
2936
2937 if (userconfig) {
2938 if (qemu_read_default_config_file() < 0) {
2939 exit(1);
2940 }
2941 }
2942
2943 /* second pass of option parsing */
2944 optind = 1;
2945 for(;;) {
2946 if (optind >= argc)
2947 break;
2948 if (argv[optind][0] != '-') {
2949 loc_set_cmdline(argv, optind, 1);
2950 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2951 } else {
2952 const QEMUOption *popt;
2953
2954 popt = lookup_opt(argc, argv, &optarg, &optind);
2955 if (!(popt->arch_mask & arch_type)) {
2956 error_report("Option not supported for this target");
2957 exit(1);
2958 }
2959 switch(popt->index) {
2960 case QEMU_OPTION_cpu:
2961 /* hw initialization will check this */
2962 cpu_option = optarg;
2963 break;
2964 case QEMU_OPTION_hda:
2965 case QEMU_OPTION_hdb:
2966 case QEMU_OPTION_hdc:
2967 case QEMU_OPTION_hdd:
2968 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2969 HD_OPTS);
2970 break;
2971 case QEMU_OPTION_blockdev:
2972 {
2973 Visitor *v;
2974 BlockdevOptionsQueueEntry *bdo;
2975
2976 v = qobject_input_visitor_new_str(optarg, "driver",
2977 &error_fatal);
2978
2979 bdo = g_new(BlockdevOptionsQueueEntry, 1);
2980 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
2981 &error_fatal);
2982 visit_free(v);
2983 loc_save(&bdo->loc);
2984 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
2985 break;
2986 }
2987 case QEMU_OPTION_drive:
2988 if (drive_def(optarg) == NULL) {
2989 exit(1);
2990 }
2991 break;
2992 case QEMU_OPTION_set:
2993 if (qemu_set_option(optarg) != 0)
2994 exit(1);
2995 break;
2996 case QEMU_OPTION_global:
2997 if (qemu_global_option(optarg) != 0)
2998 exit(1);
2999 break;
3000 case QEMU_OPTION_mtdblock:
3001 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3002 break;
3003 case QEMU_OPTION_sd:
3004 drive_add(IF_SD, -1, optarg, SD_OPTS);
3005 break;
3006 case QEMU_OPTION_pflash:
3007 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3008 break;
3009 case QEMU_OPTION_snapshot:
3010 {
3011 Error *blocker = NULL;
3012 snapshot = 1;
3013 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
3014 "-snapshot");
3015 replay_add_blocker(blocker);
3016 }
3017 break;
3018 case QEMU_OPTION_numa:
3019 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3020 optarg, true);
3021 if (!opts) {
3022 exit(1);
3023 }
3024 break;
3025 case QEMU_OPTION_display:
3026 parse_display(optarg);
3027 break;
3028 case QEMU_OPTION_nographic:
3029 olist = qemu_find_opts("machine");
3030 qemu_opts_parse_noisily(olist, "graphics=off", false);
3031 nographic = true;
3032 dpy.type = DISPLAY_TYPE_NONE;
3033 break;
3034 case QEMU_OPTION_curses:
3035 #ifdef CONFIG_CURSES
3036 dpy.type = DISPLAY_TYPE_CURSES;
3037 #else
3038 error_report("curses or iconv support is disabled");
3039 exit(1);
3040 #endif
3041 break;
3042 case QEMU_OPTION_portrait:
3043 graphic_rotate = 90;
3044 break;
3045 case QEMU_OPTION_rotate:
3046 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3047 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3048 graphic_rotate != 180 && graphic_rotate != 270) {
3049 error_report("only 90, 180, 270 deg rotation is available");
3050 exit(1);
3051 }
3052 break;
3053 case QEMU_OPTION_kernel:
3054 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3055 &error_abort);
3056 break;
3057 case QEMU_OPTION_initrd:
3058 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3059 &error_abort);
3060 break;
3061 case QEMU_OPTION_append:
3062 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3063 &error_abort);
3064 break;
3065 case QEMU_OPTION_dtb:
3066 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3067 &error_abort);
3068 break;
3069 case QEMU_OPTION_cdrom:
3070 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3071 break;
3072 case QEMU_OPTION_boot:
3073 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3074 optarg, true);
3075 if (!opts) {
3076 exit(1);
3077 }
3078 break;
3079 case QEMU_OPTION_fda:
3080 case QEMU_OPTION_fdb:
3081 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3082 optarg, FD_OPTS);
3083 break;
3084 case QEMU_OPTION_no_fd_bootchk:
3085 fd_bootchk = 0;
3086 break;
3087 case QEMU_OPTION_netdev:
3088 default_net = 0;
3089 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3090 exit(1);
3091 }
3092 break;
3093 case QEMU_OPTION_nic:
3094 default_net = 0;
3095 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3096 exit(1);
3097 }
3098 break;
3099 case QEMU_OPTION_net:
3100 default_net = 0;
3101 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3102 exit(1);
3103 }
3104 break;
3105 #ifdef CONFIG_LIBISCSI
3106 case QEMU_OPTION_iscsi:
3107 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3108 optarg, false);
3109 if (!opts) {
3110 exit(1);
3111 }
3112 break;
3113 #endif
3114 case QEMU_OPTION_audio_help:
3115 audio_legacy_help();
3116 exit (0);
3117 break;
3118 case QEMU_OPTION_audiodev:
3119 audio_parse_option(optarg);
3120 break;
3121 case QEMU_OPTION_soundhw:
3122 select_soundhw (optarg);
3123 break;
3124 case QEMU_OPTION_h:
3125 help(0);
3126 break;
3127 case QEMU_OPTION_version:
3128 version();
3129 exit(0);
3130 break;
3131 case QEMU_OPTION_m:
3132 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3133 optarg, true);
3134 if (!opts) {
3135 exit(EXIT_FAILURE);
3136 }
3137 break;
3138 #ifdef CONFIG_TPM
3139 case QEMU_OPTION_tpmdev:
3140 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3141 exit(1);
3142 }
3143 break;
3144 #endif
3145 case QEMU_OPTION_mempath:
3146 mem_path = optarg;
3147 break;
3148 case QEMU_OPTION_mem_prealloc:
3149 mem_prealloc = 1;
3150 break;
3151 case QEMU_OPTION_d:
3152 log_mask = optarg;
3153 break;
3154 case QEMU_OPTION_D:
3155 log_file = optarg;
3156 break;
3157 case QEMU_OPTION_DFILTER:
3158 qemu_set_dfilter_ranges(optarg, &error_fatal);
3159 break;
3160 case QEMU_OPTION_seed:
3161 qemu_guest_random_seed_main(optarg, &error_fatal);
3162 break;
3163 case QEMU_OPTION_s:
3164 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3165 break;
3166 case QEMU_OPTION_gdb:
3167 add_device_config(DEV_GDB, optarg);
3168 break;
3169 case QEMU_OPTION_L:
3170 if (is_help_option(optarg)) {
3171 list_data_dirs = true;
3172 } else {
3173 qemu_add_data_dir(optarg);
3174 }
3175 break;
3176 case QEMU_OPTION_bios:
3177 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3178 &error_abort);
3179 break;
3180 case QEMU_OPTION_singlestep:
3181 singlestep = 1;
3182 break;
3183 case QEMU_OPTION_S:
3184 autostart = 0;
3185 break;
3186 case QEMU_OPTION_k:
3187 keyboard_layout = optarg;
3188 break;
3189 case QEMU_OPTION_vga:
3190 vga_model = optarg;
3191 default_vga = 0;
3192 break;
3193 case QEMU_OPTION_g:
3194 {
3195 const char *p;
3196 int w, h, depth;
3197 p = optarg;
3198 w = strtol(p, (char **)&p, 10);
3199 if (w <= 0) {
3200 graphic_error:
3201 error_report("invalid resolution or depth");
3202 exit(1);
3203 }
3204 if (*p != 'x')
3205 goto graphic_error;
3206 p++;
3207 h = strtol(p, (char **)&p, 10);
3208 if (h <= 0)
3209 goto graphic_error;
3210 if (*p == 'x') {
3211 p++;
3212 depth = strtol(p, (char **)&p, 10);
3213 if (depth != 1 && depth != 2 && depth != 4 &&
3214 depth != 8 && depth != 15 && depth != 16 &&
3215 depth != 24 && depth != 32)
3216 goto graphic_error;
3217 } else if (*p == '\0') {
3218 depth = graphic_depth;
3219 } else {
3220 goto graphic_error;
3221 }
3222
3223 graphic_width = w;
3224 graphic_height = h;
3225 graphic_depth = depth;
3226 }
3227 break;
3228 case QEMU_OPTION_echr:
3229 {
3230 char *r;
3231 term_escape_char = strtol(optarg, &r, 0);
3232 if (r == optarg)
3233 printf("Bad argument to echr\n");
3234 break;
3235 }
3236 case QEMU_OPTION_monitor:
3237 default_monitor = 0;
3238 if (strncmp(optarg, "none", 4)) {
3239 monitor_parse(optarg, "readline", false);
3240 }
3241 break;
3242 case QEMU_OPTION_qmp:
3243 monitor_parse(optarg, "control", false);
3244 default_monitor = 0;
3245 break;
3246 case QEMU_OPTION_qmp_pretty:
3247 monitor_parse(optarg, "control", true);
3248 default_monitor = 0;
3249 break;
3250 case QEMU_OPTION_mon:
3251 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3252 true);
3253 if (!opts) {
3254 exit(1);
3255 }
3256 default_monitor = 0;
3257 break;
3258 case QEMU_OPTION_chardev:
3259 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3260 optarg, true);
3261 if (!opts) {
3262 exit(1);
3263 }
3264 break;
3265 case QEMU_OPTION_fsdev:
3266 olist = qemu_find_opts("fsdev");
3267 if (!olist) {
3268 error_report("fsdev support is disabled");
3269 exit(1);
3270 }
3271 opts = qemu_opts_parse_noisily(olist, optarg, true);
3272 if (!opts) {
3273 exit(1);
3274 }
3275 break;
3276 case QEMU_OPTION_virtfs: {
3277 QemuOpts *fsdev;
3278 QemuOpts *device;
3279 const char *writeout, *sock_fd, *socket, *path, *security_model,
3280 *multidevs;
3281
3282 olist = qemu_find_opts("virtfs");
3283 if (!olist) {
3284 error_report("virtfs support is disabled");
3285 exit(1);
3286 }
3287 opts = qemu_opts_parse_noisily(olist, optarg, true);
3288 if (!opts) {
3289 exit(1);
3290 }
3291
3292 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3293 qemu_opt_get(opts, "mount_tag") == NULL) {
3294 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3295 exit(1);
3296 }
3297 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3298 qemu_opts_id(opts) ?:
3299 qemu_opt_get(opts, "mount_tag"),
3300 1, NULL);
3301 if (!fsdev) {
3302 error_report("duplicate or invalid fsdev id: %s",
3303 qemu_opt_get(opts, "mount_tag"));
3304 exit(1);
3305 }
3306
3307 writeout = qemu_opt_get(opts, "writeout");
3308 if (writeout) {
3309 #ifdef CONFIG_SYNC_FILE_RANGE
3310 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3311 #else
3312 error_report("writeout=immediate not supported "
3313 "on this platform");
3314 exit(1);
3315 #endif
3316 }
3317 qemu_opt_set(fsdev, "fsdriver",
3318 qemu_opt_get(opts, "fsdriver"), &error_abort);
3319 path = qemu_opt_get(opts, "path");
3320 if (path) {
3321 qemu_opt_set(fsdev, "path", path, &error_abort);
3322 }
3323 security_model = qemu_opt_get(opts, "security_model");
3324 if (security_model) {
3325 qemu_opt_set(fsdev, "security_model", security_model,
3326 &error_abort);
3327 }
3328 socket = qemu_opt_get(opts, "socket");
3329 if (socket) {
3330 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3331 }
3332 sock_fd = qemu_opt_get(opts, "sock_fd");
3333 if (sock_fd) {
3334 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3335 }
3336
3337 qemu_opt_set_bool(fsdev, "readonly",
3338 qemu_opt_get_bool(opts, "readonly", 0),
3339 &error_abort);
3340 multidevs = qemu_opt_get(opts, "multidevs");
3341 if (multidevs) {
3342 qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
3343 }
3344 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3345 &error_abort);
3346 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3347 qemu_opt_set(device, "fsdev",
3348 qemu_opts_id(fsdev), &error_abort);
3349 qemu_opt_set(device, "mount_tag",
3350 qemu_opt_get(opts, "mount_tag"), &error_abort);
3351 break;
3352 }
3353 case QEMU_OPTION_serial:
3354 add_device_config(DEV_SERIAL, optarg);
3355 default_serial = 0;
3356 if (strncmp(optarg, "mon:", 4) == 0) {
3357 default_monitor = 0;
3358 }
3359 break;
3360 case QEMU_OPTION_watchdog:
3361 if (watchdog) {
3362 error_report("only one watchdog option may be given");
3363 return 1;
3364 }
3365 watchdog = optarg;
3366 break;
3367 case QEMU_OPTION_watchdog_action:
3368 if (select_watchdog_action(optarg) == -1) {
3369 error_report("unknown -watchdog-action parameter");
3370 exit(1);
3371 }
3372 break;
3373 case QEMU_OPTION_parallel:
3374 add_device_config(DEV_PARALLEL, optarg);
3375 default_parallel = 0;
3376 if (strncmp(optarg, "mon:", 4) == 0) {
3377 default_monitor = 0;
3378 }
3379 break;
3380 case QEMU_OPTION_debugcon:
3381 add_device_config(DEV_DEBUGCON, optarg);
3382 break;
3383 case QEMU_OPTION_loadvm:
3384 loadvm = optarg;
3385 break;
3386 case QEMU_OPTION_full_screen:
3387 dpy.has_full_screen = true;
3388 dpy.full_screen = true;
3389 break;
3390 case QEMU_OPTION_alt_grab:
3391 alt_grab = 1;
3392 break;
3393 case QEMU_OPTION_ctrl_grab:
3394 ctrl_grab = 1;
3395 break;
3396 case QEMU_OPTION_no_quit:
3397 dpy.has_window_close = true;
3398 dpy.window_close = false;
3399 break;
3400 case QEMU_OPTION_sdl:
3401 #ifdef CONFIG_SDL
3402 dpy.type = DISPLAY_TYPE_SDL;
3403 break;
3404 #else
3405 error_report("SDL support is disabled");
3406 exit(1);
3407 #endif
3408 case QEMU_OPTION_pidfile:
3409 pid_file = optarg;
3410 break;
3411 case QEMU_OPTION_win2k_hack:
3412 win2k_install_hack = 1;
3413 break;
3414 case QEMU_OPTION_acpitable:
3415 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3416 optarg, true);
3417 if (!opts) {
3418 exit(1);
3419 }
3420 acpi_table_add(opts, &error_fatal);
3421 break;
3422 case QEMU_OPTION_smbios:
3423 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3424 optarg, false);
3425 if (!opts) {
3426 exit(1);
3427 }
3428 smbios_entry_add(opts, &error_fatal);
3429 break;
3430 case QEMU_OPTION_fwcfg:
3431 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3432 optarg, true);
3433 if (opts == NULL) {
3434 exit(1);
3435 }
3436 break;
3437 case QEMU_OPTION_preconfig:
3438 preconfig_exit_requested = false;
3439 break;
3440 case QEMU_OPTION_enable_kvm:
3441 olist = qemu_find_opts("machine");
3442 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3443 break;
3444 case QEMU_OPTION_M:
3445 case QEMU_OPTION_machine:
3446 olist = qemu_find_opts("machine");
3447 opts = qemu_opts_parse_noisily(olist, optarg, true);
3448 if (!opts) {
3449 exit(1);
3450 }
3451 break;
3452 case QEMU_OPTION_no_kvm:
3453 olist = qemu_find_opts("machine");
3454 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3455 break;
3456 case QEMU_OPTION_accel:
3457 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3458 optarg, true);
3459 optarg = qemu_opt_get(accel_opts, "accel");
3460 if (!optarg || is_help_option(optarg)) {
3461 printf("Accelerators supported in QEMU binary:\n");
3462 GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
3463 false);
3464 for (el = accel_list; el; el = el->next) {
3465 gchar *typename = g_strdup(object_class_get_name(
3466 OBJECT_CLASS(el->data)));
3467 /* omit qtest which is used for tests only */
3468 if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
3469 g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
3470 gchar **optname = g_strsplit(typename,
3471 ACCEL_CLASS_SUFFIX, 0);
3472 printf("%s\n", optname[0]);
3473 g_free(optname);
3474 }
3475 g_free(typename);
3476 }
3477 g_slist_free(accel_list);
3478 exit(0);
3479 }
3480 if (optarg && strchr(optarg, ':')) {
3481 error_report("Don't use ':' with -accel, "
3482 "use -M accel=... for now instead");
3483 exit(1);
3484 }
3485 break;
3486 case QEMU_OPTION_usb:
3487 olist = qemu_find_opts("machine");
3488 qemu_opts_parse_noisily(olist, "usb=on", false);
3489 break;
3490 case QEMU_OPTION_usbdevice:
3491 error_report("'-usbdevice' is deprecated, please use "
3492 "'-device usb-...' instead");
3493 olist = qemu_find_opts("machine");
3494 qemu_opts_parse_noisily(olist, "usb=on", false);
3495 add_device_config(DEV_USB, optarg);
3496 break;
3497 case QEMU_OPTION_device:
3498 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3499 optarg, true)) {
3500 exit(1);
3501 }
3502 break;
3503 case QEMU_OPTION_smp:
3504 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3505 optarg, true)) {
3506 exit(1);
3507 }
3508 break;
3509 case QEMU_OPTION_vnc:
3510 vnc_parse(optarg, &error_fatal);
3511 break;
3512 case QEMU_OPTION_no_acpi:
3513 acpi_enabled = 0;
3514 break;
3515 case QEMU_OPTION_no_hpet:
3516 no_hpet = 1;
3517 break;
3518 case QEMU_OPTION_no_reboot:
3519 no_reboot = 1;
3520 break;
3521 case QEMU_OPTION_no_shutdown:
3522 no_shutdown = 1;
3523 break;
3524 case QEMU_OPTION_show_cursor:
3525 cursor_hide = 0;
3526 break;
3527 case QEMU_OPTION_uuid:
3528 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3529 error_report("failed to parse UUID string: wrong format");
3530 exit(1);
3531 }
3532 qemu_uuid_set = true;
3533 break;
3534 case QEMU_OPTION_option_rom:
3535 if (nb_option_roms >= MAX_OPTION_ROMS) {
3536 error_report("too many option ROMs");
3537 exit(1);
3538 }
3539 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3540 optarg, true);
3541 if (!opts) {
3542 exit(1);
3543 }
3544 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3545 option_rom[nb_option_roms].bootindex =
3546 qemu_opt_get_number(opts, "bootindex", -1);
3547 if (!option_rom[nb_option_roms].name) {
3548 error_report("Option ROM file is not specified");
3549 exit(1);
3550 }
3551 nb_option_roms++;
3552 break;
3553 case QEMU_OPTION_semihosting:
3554 qemu_semihosting_enable();
3555 break;
3556 case QEMU_OPTION_semihosting_config:
3557 if (qemu_semihosting_config_options(optarg) != 0) {
3558 exit(1);
3559 }
3560 break;
3561 case QEMU_OPTION_name:
3562 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3563 optarg, true);
3564 if (!opts) {
3565 exit(1);
3566 }
3567 break;
3568 case QEMU_OPTION_prom_env:
3569 if (nb_prom_envs >= MAX_PROM_ENVS) {
3570 error_report("too many prom variables");
3571 exit(1);
3572 }
3573 prom_envs[nb_prom_envs] = optarg;
3574 nb_prom_envs++;
3575 break;
3576 case QEMU_OPTION_old_param:
3577 old_param = 1;
3578 break;
3579 case QEMU_OPTION_rtc:
3580 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3581 false);
3582 if (!opts) {
3583 exit(1);
3584 }
3585 break;
3586 case QEMU_OPTION_tb_size:
3587 #ifndef CONFIG_TCG
3588 error_report("TCG is disabled");
3589 exit(1);
3590 #endif
3591 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3592 error_report("Invalid argument to -tb-size");
3593 exit(1);
3594 }
3595 break;
3596 case QEMU_OPTION_icount:
3597 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3598 optarg, true);
3599 if (!icount_opts) {
3600 exit(1);
3601 }
3602 break;
3603 case QEMU_OPTION_incoming:
3604 if (!incoming) {
3605 runstate_set(RUN_STATE_INMIGRATE);
3606 }
3607 incoming = optarg;
3608 break;
3609 case QEMU_OPTION_only_migratable:
3610 only_migratable = 1;
3611 break;
3612 case QEMU_OPTION_nodefaults:
3613 has_defaults = 0;
3614 break;
3615 case QEMU_OPTION_xen_domid:
3616 if (!(xen_available())) {
3617 error_report("Option not supported for this target");
3618 exit(1);
3619 }
3620 xen_domid = atoi(optarg);
3621 break;
3622 case QEMU_OPTION_xen_attach:
3623 if (!(xen_available())) {
3624 error_report("Option not supported for this target");
3625 exit(1);
3626 }
3627 xen_mode = XEN_ATTACH;
3628 break;
3629 case QEMU_OPTION_xen_domid_restrict:
3630 if (!(xen_available())) {
3631 error_report("Option not supported for this target");
3632 exit(1);
3633 }
3634 xen_domid_restrict = true;
3635 break;
3636 case QEMU_OPTION_trace:
3637 g_free(trace_file);
3638 trace_file = trace_opt_parse(optarg);
3639 break;
3640 case QEMU_OPTION_plugin:
3641 qemu_plugin_opt_parse(optarg, &plugin_list);
3642 break;
3643 case QEMU_OPTION_readconfig:
3644 {
3645 int ret = qemu_read_config_file(optarg);
3646 if (ret < 0) {
3647 error_report("read config %s: %s", optarg,
3648 strerror(-ret));
3649 exit(1);
3650 }
3651 break;
3652 }
3653 case QEMU_OPTION_spice:
3654 olist = qemu_find_opts("spice");
3655 if (!olist) {
3656 error_report("spice support is disabled");
3657 exit(1);
3658 }
3659 opts = qemu_opts_parse_noisily(olist, optarg, false);
3660 if (!opts) {
3661 exit(1);
3662 }
3663 display_remote++;
3664 break;
3665 case QEMU_OPTION_writeconfig:
3666 {
3667 FILE *fp;
3668 if (strcmp(optarg, "-") == 0) {
3669 fp = stdout;
3670 } else {
3671 fp = fopen(optarg, "w");
3672 if (fp == NULL) {
3673 error_report("open %s: %s", optarg,
3674 strerror(errno));
3675 exit(1);
3676 }
3677 }
3678 qemu_config_write(fp);
3679 if (fp != stdout) {
3680 fclose(fp);
3681 }
3682 break;
3683 }
3684 case QEMU_OPTION_qtest:
3685 qtest_chrdev = optarg;
3686 break;
3687 case QEMU_OPTION_qtest_log:
3688 qtest_log = optarg;
3689 break;
3690 case QEMU_OPTION_sandbox:
3691 olist = qemu_find_opts("sandbox");
3692 if (!olist) {
3693 #ifndef CONFIG_SECCOMP
3694 error_report("-sandbox support is not enabled "
3695 "in this QEMU binary");
3696 #endif
3697 exit(1);
3698 }
3699
3700 opts = qemu_opts_parse_noisily(olist, optarg, true);
3701 if (!opts) {
3702 exit(1);
3703 }
3704 break;
3705 case QEMU_OPTION_add_fd:
3706 #ifndef _WIN32
3707 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3708 optarg, false);
3709 if (!opts) {
3710 exit(1);
3711 }
3712 #else
3713 error_report("File descriptor passing is disabled on this "
3714 "platform");
3715 exit(1);
3716 #endif
3717 break;
3718 case QEMU_OPTION_object:
3719 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3720 optarg, true);
3721 if (!opts) {
3722 exit(1);
3723 }
3724 break;
3725 case QEMU_OPTION_realtime:
3726 warn_report("'-realtime mlock=...' is deprecated, please use "
3727 "'-overcommit mem-lock=...' instead");
3728 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3729 optarg, false);
3730 if (!opts) {
3731 exit(1);
3732 }
3733 /* Don't override the -overcommit option if set */
3734 enable_mlock = enable_mlock ||
3735 qemu_opt_get_bool(opts, "mlock", true);
3736 break;
3737 case QEMU_OPTION_overcommit:
3738 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3739 optarg, false);
3740 if (!opts) {
3741 exit(1);
3742 }
3743 /* Don't override the -realtime option if set */
3744 enable_mlock = enable_mlock ||
3745 qemu_opt_get_bool(opts, "mem-lock", false);
3746 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3747 break;
3748 case QEMU_OPTION_msg:
3749 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3750 false);
3751 if (!opts) {
3752 exit(1);
3753 }
3754 configure_msg(opts);
3755 break;
3756 case QEMU_OPTION_dump_vmstate:
3757 if (vmstate_dump_file) {
3758 error_report("only one '-dump-vmstate' "
3759 "option may be given");
3760 exit(1);
3761 }
3762 vmstate_dump_file = fopen(optarg, "w");
3763 if (vmstate_dump_file == NULL) {
3764 error_report("open %s: %s", optarg, strerror(errno));
3765 exit(1);
3766 }
3767 break;
3768 case QEMU_OPTION_enable_sync_profile:
3769 qsp_enable();
3770 break;
3771 case QEMU_OPTION_nouserconfig:
3772 /* Nothing to be parsed here. Especially, do not error out below. */
3773 break;
3774 default:
3775 if (os_parse_cmd_args(popt->index, optarg)) {
3776 error_report("Option not supported in this build");
3777 exit(1);
3778 }
3779 }
3780 }
3781 }
3782 /*
3783 * Clear error location left behind by the loop.
3784 * Best done right after the loop. Do not insert code here!
3785 */
3786 loc_set_none();
3787
3788 user_register_global_props();
3789
3790 replay_configure(icount_opts);
3791
3792 if (incoming && !preconfig_exit_requested) {
3793 error_report("'preconfig' and 'incoming' options are "
3794 "mutually exclusive");
3795 exit(EXIT_FAILURE);
3796 }
3797
3798 configure_rtc(qemu_find_opts_singleton("rtc"));
3799
3800 machine_class = select_machine();
3801 object_set_machine_compat_props(machine_class->compat_props);
3802
3803 set_memory_options(&ram_slots, &maxram_size, machine_class);
3804
3805 os_daemonize();
3806 rcu_disable_atfork();
3807
3808 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3809 error_reportf_err(err, "cannot create PID file: ");
3810 exit(1);
3811 }
3812
3813 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3814 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3815
3816 if (qemu_init_main_loop(&main_loop_err)) {
3817 error_report_err(main_loop_err);
3818 exit(1);
3819 }
3820
3821 #ifdef CONFIG_SECCOMP
3822 olist = qemu_find_opts_err("sandbox", NULL);
3823 if (olist) {
3824 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3825 }
3826 #endif
3827
3828 qemu_opts_foreach(qemu_find_opts("name"),
3829 parse_name, NULL, &error_fatal);
3830
3831 #ifndef _WIN32
3832 qemu_opts_foreach(qemu_find_opts("add-fd"),
3833 parse_add_fd, NULL, &error_fatal);
3834
3835 qemu_opts_foreach(qemu_find_opts("add-fd"),
3836 cleanup_add_fd, NULL, &error_fatal);
3837 #endif
3838
3839 current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
3840 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3841 exit(0);
3842 }
3843 object_property_add_child(object_get_root(), "machine",
3844 OBJECT(current_machine), &error_abort);
3845 object_property_add_child(container_get(OBJECT(current_machine),
3846 "/unattached"),
3847 "sysbus", OBJECT(sysbus_get_default()),
3848 NULL);
3849
3850 if (machine_class->minimum_page_bits) {
3851 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
3852 /* This would be a board error: specifying a minimum smaller than
3853 * a target's compile-time fixed setting.
3854 */
3855 g_assert_not_reached();
3856 }
3857 }
3858
3859 cpu_exec_init_all();
3860
3861 if (machine_class->hw_version) {
3862 qemu_set_hw_version(machine_class->hw_version);
3863 }
3864
3865 if (cpu_option && is_help_option(cpu_option)) {
3866 list_cpus(cpu_option);
3867 exit(0);
3868 }
3869
3870 if (!trace_init_backends()) {
3871 exit(1);
3872 }
3873 trace_init_file(trace_file);
3874
3875 /* Open the logfile at this point and set the log mask if necessary.
3876 */
3877 if (log_file) {
3878 qemu_set_log_filename(log_file, &error_fatal);
3879 }
3880
3881 if (log_mask) {
3882 int mask;
3883 mask = qemu_str_to_log_mask(log_mask);
3884 if (!mask) {
3885 qemu_print_log_usage(stdout);
3886 exit(1);
3887 }
3888 qemu_set_log(mask);
3889 } else {
3890 qemu_set_log(0);
3891 }
3892
3893 /* add configured firmware directories */
3894 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
3895 for (i = 0; dirs[i] != NULL; i++) {
3896 qemu_add_data_dir(dirs[i]);
3897 }
3898 g_strfreev(dirs);
3899
3900 /* try to find datadir relative to the executable path */
3901 dir = os_find_datadir();
3902 qemu_add_data_dir(dir);
3903 g_free(dir);
3904
3905 /* add the datadir specified when building */
3906 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
3907
3908 /* -L help lists the data directories and exits. */
3909 if (list_data_dirs) {
3910 for (i = 0; i < data_dir_idx; i++) {
3911 printf("%s\n", data_dir[i]);
3912 }
3913 exit(0);
3914 }
3915
3916 /* machine_class: default to UP */
3917 machine_class->max_cpus = machine_class->max_cpus ?: 1;
3918 machine_class->min_cpus = machine_class->min_cpus ?: 1;
3919 machine_class->default_cpus = machine_class->default_cpus ?: 1;
3920
3921 /* default to machine_class->default_cpus */
3922 current_machine->smp.cpus = machine_class->default_cpus;
3923 current_machine->smp.max_cpus = machine_class->default_cpus;
3924 current_machine->smp.cores = 1;
3925 current_machine->smp.threads = 1;
3926
3927 machine_class->smp_parse(current_machine,
3928 qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3929
3930 /* sanity-check smp_cpus and max_cpus against machine_class */
3931 if (current_machine->smp.cpus < machine_class->min_cpus) {
3932 error_report("Invalid SMP CPUs %d. The min CPUs "
3933 "supported by machine '%s' is %d",
3934 current_machine->smp.cpus,
3935 machine_class->name, machine_class->min_cpus);
3936 exit(1);
3937 }
3938 if (current_machine->smp.max_cpus > machine_class->max_cpus) {
3939 error_report("Invalid SMP CPUs %d. The max CPUs "
3940 "supported by machine '%s' is %d",
3941 current_machine->smp.max_cpus,
3942 machine_class->name, machine_class->max_cpus);
3943 exit(1);
3944 }
3945
3946 /*
3947 * Get the default machine options from the machine if it is not already
3948 * specified either by the configuration file or by the command line.
3949 */
3950 if (machine_class->default_machine_opts) {
3951 qemu_opts_set_defaults(qemu_find_opts("machine"),
3952 machine_class->default_machine_opts, 0);
3953 }
3954
3955 /* process plugin before CPUs are created, but once -smp has been parsed */
3956 if (qemu_plugin_load_list(&plugin_list)) {
3957 exit(1);
3958 }
3959
3960 qemu_opts_foreach(qemu_find_opts("device"),
3961 default_driver_check, NULL, NULL);
3962 qemu_opts_foreach(qemu_find_opts("global"),
3963 default_driver_check, NULL, NULL);
3964
3965 if (!vga_model && !default_vga) {
3966 vga_interface_type = VGA_DEVICE;
3967 }
3968 if (!has_defaults || machine_class->no_serial) {
3969 default_serial = 0;
3970 }
3971 if (!has_defaults || machine_class->no_parallel) {
3972 default_parallel = 0;
3973 }
3974 if (!has_defaults || machine_class->no_floppy) {
3975 default_floppy = 0;
3976 }
3977 if (!has_defaults || machine_class->no_cdrom) {
3978 default_cdrom = 0;
3979 }
3980 if (!has_defaults || machine_class->no_sdcard) {
3981 default_sdcard = 0;
3982 }
3983 if (!has_defaults) {
3984 default_monitor = 0;
3985 default_net = 0;
3986 default_vga = 0;
3987 }
3988
3989 if (is_daemonized()) {
3990 if (!preconfig_exit_requested) {
3991 error_report("'preconfig' and 'daemonize' options are "
3992 "mutually exclusive");
3993 exit(EXIT_FAILURE);
3994 }
3995
3996 /* According to documentation and historically, -nographic redirects
3997 * serial port, parallel port and monitor to stdio, which does not work
3998 * with -daemonize. We can redirect these to null instead, but since
3999 * -nographic is legacy, let's just error out.
4000 * We disallow -nographic only if all other ports are not redirected
4001 * explicitly, to not break existing legacy setups which uses
4002 * -nographic _and_ redirects all ports explicitly - this is valid
4003 * usage, -nographic is just a no-op in this case.
4004 */
4005 if (nographic
4006 && (default_parallel || default_serial || default_monitor)) {
4007 error_report("-nographic cannot be used with -daemonize");
4008 exit(1);
4009 }
4010 #ifdef CONFIG_CURSES
4011 if (dpy.type == DISPLAY_TYPE_CURSES) {
4012 error_report("curses display cannot be used with -daemonize");
4013 exit(1);
4014 }
4015 #endif
4016 }
4017
4018 if (nographic) {
4019 if (default_parallel)
4020 add_device_config(DEV_PARALLEL, "null");
4021 if (default_serial && default_monitor) {
4022 add_device_config(DEV_SERIAL, "mon:stdio");
4023 } else {
4024 if (default_serial)
4025 add_device_config(DEV_SERIAL, "stdio");
4026 if (default_monitor)
4027 monitor_parse("stdio", "readline", false);
4028 }
4029 } else {
4030 if (default_serial)
4031 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4032 if (default_parallel)
4033 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4034 if (default_monitor)
4035 monitor_parse("vc:80Cx24C", "readline", false);
4036 }
4037
4038 #if defined(CONFIG_VNC)
4039 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4040 display_remote++;
4041 }
4042 #endif
4043 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4044 if (!qemu_display_find_default(&dpy)) {
4045 dpy.type = DISPLAY_TYPE_NONE;
4046 #if defined(CONFIG_VNC)
4047 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4048 #endif
4049 }
4050 }
4051 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4052 dpy.type = DISPLAY_TYPE_NONE;
4053 }
4054
4055 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4056 error_report("-alt-grab and -ctrl-grab are only valid "
4057 "for SDL, ignoring option");
4058 }
4059 if (dpy.has_window_close &&
4060 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4061 error_report("-no-quit is only valid for GTK and SDL, "
4062 "ignoring option");
4063 }
4064
4065 qemu_display_early_init(&dpy);
4066 qemu_console_early_init();
4067
4068 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4069 #if defined(CONFIG_OPENGL)
4070 error_report("OpenGL is not supported by the display");
4071 #else
4072 error_report("OpenGL support is disabled");
4073 #endif
4074 exit(1);
4075 }
4076
4077 page_size_init();
4078 socket_init();
4079
4080 qemu_opts_foreach(qemu_find_opts("object"),
4081 user_creatable_add_opts_foreach,
4082 object_create_initial, &error_fatal);
4083
4084 qemu_opts_foreach(qemu_find_opts("chardev"),
4085 chardev_init_func, NULL, &error_fatal);
4086 /* now chardevs have been created we may have semihosting to connect */
4087 qemu_semihosting_connect_chardevs();
4088
4089 #ifdef CONFIG_VIRTFS
4090 qemu_opts_foreach(qemu_find_opts("fsdev"),
4091 fsdev_init_func, NULL, &error_fatal);
4092 #endif
4093
4094 if (qemu_opts_foreach(qemu_find_opts("device"),
4095 device_help_func, NULL, NULL)) {
4096 exit(0);
4097 }
4098
4099 /*
4100 * Note: we need to create block backends before
4101 * machine_set_property(), so machine properties can refer to
4102 * them.
4103 */
4104 configure_blockdev(&bdo_queue, machine_class, snapshot);
4105
4106 machine_opts = qemu_get_machine_opts();
4107 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4108 &error_fatal);
4109 current_machine->ram_size = ram_size;
4110 current_machine->maxram_size = maxram_size;
4111 current_machine->ram_slots = ram_slots;
4112
4113 /*
4114 * Note: uses machine properties such as kernel-irqchip, must run
4115 * after machine_set_property().
4116 */
4117 configure_accelerators(argv[0]);
4118
4119 /*
4120 * Beware, QOM objects created before this point miss global and
4121 * compat properties.
4122 *
4123 * Global properties get set up by qdev_prop_register_global(),
4124 * called from user_register_global_props(), and certain option
4125 * desugaring. Also in CPU feature desugaring (buried in
4126 * parse_cpu_option()), which happens below this point, but may
4127 * only target the CPU type, which can only be created after
4128 * parse_cpu_option() returned the type.
4129 *
4130 * Machine compat properties: object_set_machine_compat_props().
4131 * Accelerator compat props: object_set_accelerator_compat_props(),
4132 * called from configure_accelerator().
4133 */
4134
4135 if (!qtest_enabled() && machine_class->deprecation_reason) {
4136 error_report("Machine type '%s' is deprecated: %s",
4137 machine_class->name, machine_class->deprecation_reason);
4138 }
4139
4140 /*
4141 * Note: creates a QOM object, must run only after global and
4142 * compat properties have been set up.
4143 */
4144 migration_object_init();
4145
4146 if (qtest_chrdev) {
4147 qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
4148 }
4149
4150 machine_opts = qemu_get_machine_opts();
4151 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4152 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4153 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4154 bios_name = qemu_opt_get(machine_opts, "firmware");
4155
4156 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4157 if (opts) {
4158 boot_order = qemu_opt_get(opts, "order");
4159 if (boot_order) {
4160 validate_bootdevices(boot_order, &error_fatal);
4161 }
4162
4163 boot_once = qemu_opt_get(opts, "once");
4164 if (boot_once) {
4165 validate_bootdevices(boot_once, &error_fatal);
4166 }
4167
4168 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4169 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4170 }
4171
4172 if (!boot_order) {
4173 boot_order = machine_class->default_boot_order;
4174 }
4175
4176 if (!kernel_cmdline) {
4177 kernel_cmdline = "";
4178 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4179 }
4180
4181 linux_boot = (kernel_filename != NULL);
4182
4183 if (!linux_boot && *kernel_cmdline != '\0') {
4184 error_report("-append only allowed with -kernel option");
4185 exit(1);
4186 }
4187
4188 if (!linux_boot && initrd_filename != NULL) {
4189 error_report("-initrd only allowed with -kernel option");
4190 exit(1);
4191 }
4192
4193 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4194 /* fall back to the -kernel/-append */
4195 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4196 }
4197
4198 /* spice needs the timers to be initialized by this point */
4199 qemu_spice_init();
4200
4201 cpu_ticks_init();
4202
4203 if (default_net) {
4204 QemuOptsList *net = qemu_find_opts("net");
4205 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4206 #ifdef CONFIG_SLIRP
4207 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4208 #endif
4209 }
4210
4211 if (net_init_clients(&err) < 0) {
4212 error_report_err(err);
4213 exit(1);
4214 }
4215
4216 qemu_opts_foreach(qemu_find_opts("object"),
4217 user_creatable_add_opts_foreach,
4218 object_create_delayed, &error_fatal);
4219
4220 tpm_init();
4221
4222 if (!xen_enabled()) {
4223 /* On 32-bit hosts, QEMU is limited by virtual address space */
4224 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4225 error_report("at most 2047 MB RAM can be simulated");
4226 exit(1);
4227 }
4228 }
4229
4230 blk_mig_init();
4231 ram_mig_init();
4232 dirty_bitmap_mig_init();
4233
4234 qemu_opts_foreach(qemu_find_opts("mon"),
4235 mon_init_func, NULL, &error_fatal);
4236
4237 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4238 exit(1);
4239 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4240 exit(1);
4241 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4242 exit(1);
4243
4244 /* If no default VGA is requested, the default is "none". */
4245 if (default_vga) {
4246 vga_model = get_default_vga_model(machine_class);
4247 }
4248 if (vga_model) {
4249 select_vgahw(machine_class, vga_model);
4250 }
4251
4252 if (watchdog) {
4253 i = select_watchdog(watchdog);
4254 if (i > 0)
4255 exit (i == 1 ? 1 : 0);
4256 }
4257
4258 /* This checkpoint is required by replay to separate prior clock
4259 reading from the other reads, because timer polling functions query
4260 clock values from the log. */
4261 replay_checkpoint(CHECKPOINT_INIT);
4262 qdev_machine_init();
4263
4264 current_machine->boot_order = boot_order;
4265
4266 /* parse features once if machine provides default cpu_type */
4267 current_machine->cpu_type = machine_class->default_cpu_type;
4268 if (cpu_option) {
4269 current_machine->cpu_type = parse_cpu_option(cpu_option);
4270 }
4271 parse_numa_opts(current_machine);
4272
4273 /* do monitor/qmp handling at preconfig state if requested */
4274 main_loop();
4275
4276 audio_init_audiodevs();
4277
4278 /* from here on runstate is RUN_STATE_PRELAUNCH */
4279 machine_run_board_init(current_machine);
4280
4281 realtime_init();
4282
4283 soundhw_init();
4284
4285 if (hax_enabled()) {
4286 hax_sync_vcpus();
4287 }
4288
4289 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4290 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4291
4292 /* init USB devices */
4293 if (machine_usb(current_machine)) {
4294 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4295 exit(1);
4296 }
4297
4298 /* Check if IGD GFX passthrough. */
4299 igd_gfx_passthru();
4300
4301 /* init generic devices */
4302 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4303 qemu_opts_foreach(qemu_find_opts("device"),
4304 device_init_func, NULL, &error_fatal);
4305
4306 cpu_synchronize_all_post_init();
4307
4308 rom_reset_order_override();
4309
4310 /* Did we create any drives that we failed to create a device for? */
4311 drive_check_orphaned();
4312
4313 /* Don't warn about the default network setup that you get if
4314 * no command line -net or -netdev options are specified. There
4315 * are two cases that we would otherwise complain about:
4316 * (1) board doesn't support a NIC but the implicit "-net nic"
4317 * requested one
4318 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4319 * sets up a nic that isn't connected to anything.
4320 */
4321 if (!default_net && (!qtest_enabled() || has_defaults)) {
4322 net_check_clients();
4323 }
4324
4325 if (boot_once) {
4326 qemu_boot_set(boot_once, &error_fatal);
4327 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4328 }
4329
4330 /* init local displays */
4331 ds = init_displaystate();
4332 qemu_display_init(ds, &dpy);
4333
4334 /* must be after terminal init, SDL library changes signal handlers */
4335 os_setup_signal_handling();
4336
4337 /* init remote displays */
4338 #ifdef CONFIG_VNC
4339 qemu_opts_foreach(qemu_find_opts("vnc"),
4340 vnc_init_func, NULL, &error_fatal);
4341 #endif
4342
4343 if (using_spice) {
4344 qemu_spice_display_init();
4345 }
4346
4347 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4348 exit(1);
4349 }
4350
4351 qdev_machine_creation_done();
4352
4353 /* TODO: once all bus devices are qdevified, this should be done
4354 * when bus is created by qdev.c */
4355 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4356 qemu_run_machine_init_done_notifiers();
4357
4358 if (rom_check_and_register_reset() != 0) {
4359 error_report("rom check and register reset failed");
4360 exit(1);
4361 }
4362
4363 replay_start();
4364
4365 /* This checkpoint is required by replay to separate prior clock
4366 reading from the other reads, because timer polling functions query
4367 clock values from the log. */
4368 replay_checkpoint(CHECKPOINT_RESET);
4369 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4370 register_global_state();
4371 if (loadvm) {
4372 Error *local_err = NULL;
4373 if (load_snapshot(loadvm, &local_err) < 0) {
4374 error_report_err(local_err);
4375 autostart = 0;
4376 exit(1);
4377 }
4378 }
4379 if (replay_mode != REPLAY_MODE_NONE) {
4380 replay_vmstate_init();
4381 }
4382
4383 qdev_prop_check_globals();
4384 if (vmstate_dump_file) {
4385 /* dump and exit */
4386 dump_vmstate_json_to_file(vmstate_dump_file);
4387 return 0;
4388 }
4389
4390 if (incoming) {
4391 Error *local_err = NULL;
4392 qemu_start_incoming_migration(incoming, &local_err);
4393 if (local_err) {
4394 error_reportf_err(local_err, "-incoming %s: ", incoming);
4395 exit(1);
4396 }
4397 } else if (autostart) {
4398 vm_start();
4399 }
4400
4401 accel_setup_post(current_machine);
4402 os_setup_post();
4403
4404 main_loop();
4405
4406 gdbserver_cleanup();
4407
4408 /*
4409 * cleaning up the migration object cancels any existing migration
4410 * try to do this early so that it also stops using devices.
4411 */
4412 migration_shutdown();
4413
4414 /*
4415 * We must cancel all block jobs while the block layer is drained,
4416 * or cancelling will be affected by throttling and thus may block
4417 * for an extended period of time.
4418 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4419 * it in the drained section.
4420 * We do not need to end this section, because we do not want any
4421 * requests happening from here on anyway.
4422 */
4423 bdrv_drain_all_begin();
4424
4425 /* No more vcpu or device emulation activity beyond this point */
4426 vm_shutdown();
4427 replay_finish();
4428
4429 job_cancel_sync_all();
4430 bdrv_close_all();
4431
4432 res_free();
4433
4434 /* vhost-user must be cleaned up before chardevs. */
4435 tpm_cleanup();
4436 net_cleanup();
4437 audio_cleanup();
4438 monitor_cleanup();
4439 qemu_chr_cleanup();
4440 user_creatable_cleanup();
4441 /* TODO: unref root container, check all devices are ok */
4442
4443 return 0;
4444 }
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