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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
[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/units.h"
27 #include "qapi/error.h"
28 #include "qemu-version.h"
29 #include "qemu/cutils.h"
30 #include "qemu/help_option.h"
31 #include "qemu/uuid.h"
32 #include "sysemu/seccomp.h"
33
34 #ifdef CONFIG_SDL
35 #if defined(__APPLE__) || defined(main)
36 #include <SDL.h>
37 int qemu_main(int argc, char **argv, char **envp);
38 int main(int argc, char **argv)
39 {
40 return qemu_main(argc, argv, NULL);
41 }
42 #undef main
43 #define main qemu_main
44 #endif
45 #endif /* CONFIG_SDL */
46
47 #ifdef CONFIG_COCOA
48 #undef main
49 #define main qemu_main
50 #endif /* CONFIG_COCOA */
51
52
53 #include "qemu/error-report.h"
54 #include "qemu/sockets.h"
55 #include "hw/hw.h"
56 #include "hw/boards.h"
57 #include "sysemu/accel.h"
58 #include "hw/usb.h"
59 #include "hw/isa/isa.h"
60 #include "hw/scsi/scsi.h"
61 #include "hw/display/vga.h"
62 #include "hw/bt.h"
63 #include "sysemu/watchdog.h"
64 #include "hw/firmware/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.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
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qapi-commands-ui.h"
132 #include "qapi/qmp/qerror.h"
133 #include "sysemu/iothread.h"
134
135 #define MAX_VIRTIO_CONSOLES 1
136
137 static const char *data_dir[16];
138 static int data_dir_idx;
139 const char *bios_name = NULL;
140 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
141 int display_opengl;
142 const char* keyboard_layout = NULL;
143 ram_addr_t ram_size;
144 const char *mem_path = NULL;
145 int mem_prealloc = 0; /* force preallocation of physical target memory */
146 bool enable_mlock = false;
147 bool enable_cpu_pm = false;
148 int nb_nics;
149 NICInfo nd_table[MAX_NICS];
150 int autostart;
151 static enum {
152 RTC_BASE_UTC,
153 RTC_BASE_LOCALTIME,
154 RTC_BASE_DATETIME,
155 } rtc_base_type = RTC_BASE_UTC;
156 static time_t rtc_ref_start_datetime;
157 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
158 static int rtc_host_datetime_offset = -1; /* valid & used only with
159 RTC_BASE_DATETIME */
160 QEMUClockType rtc_clock;
161 int vga_interface_type = VGA_NONE;
162 static DisplayOptions dpy;
163 int no_frame;
164 static int num_serial_hds;
165 static Chardev **serial_hds;
166 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
167 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
168 int win2k_install_hack = 0;
169 int singlestep = 0;
170 int smp_cpus;
171 unsigned int max_cpus;
172 int smp_cores = 1;
173 int smp_threads = 1;
174 int acpi_enabled = 1;
175 int no_hpet = 0;
176 int fd_bootchk = 1;
177 static int no_reboot;
178 int no_shutdown = 0;
179 int cursor_hide = 1;
180 int graphic_rotate = 0;
181 const char *watchdog;
182 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
183 int nb_option_roms;
184 int old_param = 0;
185 const char *qemu_name;
186 int alt_grab = 0;
187 int ctrl_grab = 0;
188 unsigned int nb_prom_envs = 0;
189 const char *prom_envs[MAX_PROM_ENVS];
190 int boot_menu;
191 bool boot_strict;
192 uint8_t *boot_splash_filedata;
193 size_t boot_splash_filedata_size;
194 bool wakeup_suspend_enabled;
195
196 int icount_align_option;
197
198 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
199 * little-endian "wire format" described in the SMBIOS 2.6 specification.
200 */
201 QemuUUID qemu_uuid;
202 bool qemu_uuid_set;
203
204 static NotifierList exit_notifiers =
205 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
206
207 static NotifierList machine_init_done_notifiers =
208 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
209
210 bool xen_allowed;
211 uint32_t xen_domid;
212 enum xen_mode xen_mode = XEN_EMULATE;
213 bool xen_domid_restrict;
214
215 static int has_defaults = 1;
216 static int default_serial = 1;
217 static int default_parallel = 1;
218 static int default_virtcon = 1;
219 static int default_monitor = 1;
220 static int default_floppy = 1;
221 static int default_cdrom = 1;
222 static int default_sdcard = 1;
223 static int default_vga = 1;
224 static int default_net = 1;
225
226 static struct {
227 const char *driver;
228 int *flag;
229 } default_list[] = {
230 { .driver = "isa-serial", .flag = &default_serial },
231 { .driver = "isa-parallel", .flag = &default_parallel },
232 { .driver = "isa-fdc", .flag = &default_floppy },
233 { .driver = "floppy", .flag = &default_floppy },
234 { .driver = "ide-cd", .flag = &default_cdrom },
235 { .driver = "ide-hd", .flag = &default_cdrom },
236 { .driver = "ide-drive", .flag = &default_cdrom },
237 { .driver = "scsi-cd", .flag = &default_cdrom },
238 { .driver = "scsi-hd", .flag = &default_cdrom },
239 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
240 { .driver = "virtio-serial", .flag = &default_virtcon },
241 { .driver = "VGA", .flag = &default_vga },
242 { .driver = "isa-vga", .flag = &default_vga },
243 { .driver = "cirrus-vga", .flag = &default_vga },
244 { .driver = "isa-cirrus-vga", .flag = &default_vga },
245 { .driver = "vmware-svga", .flag = &default_vga },
246 { .driver = "qxl-vga", .flag = &default_vga },
247 { .driver = "virtio-vga", .flag = &default_vga },
248 };
249
250 static QemuOptsList qemu_rtc_opts = {
251 .name = "rtc",
252 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
253 .merge_lists = true,
254 .desc = {
255 {
256 .name = "base",
257 .type = QEMU_OPT_STRING,
258 },{
259 .name = "clock",
260 .type = QEMU_OPT_STRING,
261 },{
262 .name = "driftfix",
263 .type = QEMU_OPT_STRING,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_option_rom_opts = {
270 .name = "option-rom",
271 .implied_opt_name = "romfile",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
273 .desc = {
274 {
275 .name = "bootindex",
276 .type = QEMU_OPT_NUMBER,
277 }, {
278 .name = "romfile",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_machine_opts = {
286 .name = "machine",
287 .implied_opt_name = "type",
288 .merge_lists = true,
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
290 .desc = {
291 /*
292 * no elements => accept any
293 * sanity checking will happen later
294 * when setting machine properties
295 */
296 { }
297 },
298 };
299
300 static QemuOptsList qemu_accel_opts = {
301 .name = "accel",
302 .implied_opt_name = "accel",
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
304 .merge_lists = true,
305 .desc = {
306 {
307 .name = "accel",
308 .type = QEMU_OPT_STRING,
309 .help = "Select the type of accelerator",
310 },
311 {
312 .name = "thread",
313 .type = QEMU_OPT_STRING,
314 .help = "Enable/disable multi-threaded TCG",
315 },
316 { /* end of list */ }
317 },
318 };
319
320 static QemuOptsList qemu_boot_opts = {
321 .name = "boot-opts",
322 .implied_opt_name = "order",
323 .merge_lists = true,
324 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
325 .desc = {
326 {
327 .name = "order",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "once",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "menu",
334 .type = QEMU_OPT_BOOL,
335 }, {
336 .name = "splash",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "splash-time",
340 .type = QEMU_OPT_NUMBER,
341 }, {
342 .name = "reboot-timeout",
343 .type = QEMU_OPT_NUMBER,
344 }, {
345 .name = "strict",
346 .type = QEMU_OPT_BOOL,
347 },
348 { /*End of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_add_fd_opts = {
353 .name = "add-fd",
354 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
355 .desc = {
356 {
357 .name = "fd",
358 .type = QEMU_OPT_NUMBER,
359 .help = "file descriptor of which a duplicate is added to fd set",
360 },{
361 .name = "set",
362 .type = QEMU_OPT_NUMBER,
363 .help = "ID of the fd set to add fd to",
364 },{
365 .name = "opaque",
366 .type = QEMU_OPT_STRING,
367 .help = "free-form string used to describe fd",
368 },
369 { /* end of list */ }
370 },
371 };
372
373 static QemuOptsList qemu_object_opts = {
374 .name = "object",
375 .implied_opt_name = "qom-type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
377 .desc = {
378 { }
379 },
380 };
381
382 static QemuOptsList qemu_tpmdev_opts = {
383 .name = "tpmdev",
384 .implied_opt_name = "type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
386 .desc = {
387 /* options are defined in the TPM backends */
388 { /* end of list */ }
389 },
390 };
391
392 static QemuOptsList qemu_realtime_opts = {
393 .name = "realtime",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
395 .desc = {
396 {
397 .name = "mlock",
398 .type = QEMU_OPT_BOOL,
399 },
400 { /* end of list */ }
401 },
402 };
403
404 static QemuOptsList qemu_overcommit_opts = {
405 .name = "overcommit",
406 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
407 .desc = {
408 {
409 .name = "mem-lock",
410 .type = QEMU_OPT_BOOL,
411 },
412 {
413 .name = "cpu-pm",
414 .type = QEMU_OPT_BOOL,
415 },
416 { /* end of list */ }
417 },
418 };
419
420 static QemuOptsList qemu_msg_opts = {
421 .name = "msg",
422 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
423 .desc = {
424 {
425 .name = "timestamp",
426 .type = QEMU_OPT_BOOL,
427 },
428 { /* end of list */ }
429 },
430 };
431
432 static QemuOptsList qemu_name_opts = {
433 .name = "name",
434 .implied_opt_name = "guest",
435 .merge_lists = true,
436 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
437 .desc = {
438 {
439 .name = "guest",
440 .type = QEMU_OPT_STRING,
441 .help = "Sets the name of the guest.\n"
442 "This name will be displayed in the SDL window caption.\n"
443 "The name will also be used for the VNC server",
444 }, {
445 .name = "process",
446 .type = QEMU_OPT_STRING,
447 .help = "Sets the name of the QEMU process, as shown in top etc",
448 }, {
449 .name = "debug-threads",
450 .type = QEMU_OPT_BOOL,
451 .help = "When enabled, name the individual threads; defaults off.\n"
452 "NOTE: The thread names are for debugging and not a\n"
453 "stable API.",
454 },
455 { /* End of list */ }
456 },
457 };
458
459 static QemuOptsList qemu_mem_opts = {
460 .name = "memory",
461 .implied_opt_name = "size",
462 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
463 .merge_lists = true,
464 .desc = {
465 {
466 .name = "size",
467 .type = QEMU_OPT_SIZE,
468 },
469 {
470 .name = "slots",
471 .type = QEMU_OPT_NUMBER,
472 },
473 {
474 .name = "maxmem",
475 .type = QEMU_OPT_SIZE,
476 },
477 { /* end of list */ }
478 },
479 };
480
481 static QemuOptsList qemu_icount_opts = {
482 .name = "icount",
483 .implied_opt_name = "shift",
484 .merge_lists = true,
485 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
486 .desc = {
487 {
488 .name = "shift",
489 .type = QEMU_OPT_STRING,
490 }, {
491 .name = "align",
492 .type = QEMU_OPT_BOOL,
493 }, {
494 .name = "sleep",
495 .type = QEMU_OPT_BOOL,
496 }, {
497 .name = "rr",
498 .type = QEMU_OPT_STRING,
499 }, {
500 .name = "rrfile",
501 .type = QEMU_OPT_STRING,
502 }, {
503 .name = "rrsnapshot",
504 .type = QEMU_OPT_STRING,
505 },
506 { /* end of list */ }
507 },
508 };
509
510 static QemuOptsList qemu_semihosting_config_opts = {
511 .name = "semihosting-config",
512 .implied_opt_name = "enable",
513 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
514 .desc = {
515 {
516 .name = "enable",
517 .type = QEMU_OPT_BOOL,
518 }, {
519 .name = "target",
520 .type = QEMU_OPT_STRING,
521 }, {
522 .name = "arg",
523 .type = QEMU_OPT_STRING,
524 },
525 { /* end of list */ }
526 },
527 };
528
529 static QemuOptsList qemu_fw_cfg_opts = {
530 .name = "fw_cfg",
531 .implied_opt_name = "name",
532 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
533 .desc = {
534 {
535 .name = "name",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets the fw_cfg name of the blob to be inserted",
538 }, {
539 .name = "file",
540 .type = QEMU_OPT_STRING,
541 .help = "Sets the name of the file from which "
542 "the fw_cfg blob will be loaded",
543 }, {
544 .name = "string",
545 .type = QEMU_OPT_STRING,
546 .help = "Sets content of the blob to be inserted from a string",
547 },
548 { /* end of list */ }
549 },
550 };
551
552 /**
553 * Get machine options
554 *
555 * Returns: machine options (never null).
556 */
557 QemuOpts *qemu_get_machine_opts(void)
558 {
559 return qemu_find_opts_singleton("machine");
560 }
561
562 const char *qemu_get_vm_name(void)
563 {
564 return qemu_name;
565 }
566
567 static void res_free(void)
568 {
569 g_free(boot_splash_filedata);
570 boot_splash_filedata = NULL;
571 }
572
573 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
574 {
575 const char *driver = qemu_opt_get(opts, "driver");
576 int i;
577
578 if (!driver)
579 return 0;
580 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
581 if (strcmp(default_list[i].driver, driver) != 0)
582 continue;
583 *(default_list[i].flag) = 0;
584 }
585 return 0;
586 }
587
588 /***********************************************************/
589 /* QEMU state */
590
591 static RunState current_run_state = RUN_STATE_PRECONFIG;
592
593 /* We use RUN_STATE__MAX but any invalid value will do */
594 static RunState vmstop_requested = RUN_STATE__MAX;
595 static QemuMutex vmstop_lock;
596
597 typedef struct {
598 RunState from;
599 RunState to;
600 } RunStateTransition;
601
602 static const RunStateTransition runstate_transitions_def[] = {
603 /* from -> to */
604 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
605 /* Early switch to inmigrate state to allow -incoming CLI option work
606 * as it used to. TODO: delay actual switching to inmigrate state to
607 * the point after machine is built and remove this hack.
608 */
609 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
610
611 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
612 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
613 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
614
615 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
616 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
617 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
618 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
619 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
620 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
621 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
622 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
623 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
625 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
626 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
627
628 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
629 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
631
632 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
633 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
635
636 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
637 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
639 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
640 { RUN_STATE_PAUSED, RUN_STATE_COLO},
641
642 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
643 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
645
646 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
647 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
649
650 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
651 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
652 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
655
656 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
657 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
658
659 { RUN_STATE_COLO, RUN_STATE_RUNNING },
660
661 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
662 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
663 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
664 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
665 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
667 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
668 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
669 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
670 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
671 { RUN_STATE_RUNNING, RUN_STATE_COLO},
672
673 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
674
675 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
676 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
677 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
678
679 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
680 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
681 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
682 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
683 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
684 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
685
686 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
687 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
688 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
689 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
690
691 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
692 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
693 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
694
695 { RUN_STATE__MAX, RUN_STATE__MAX },
696 };
697
698 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
699
700 bool runstate_check(RunState state)
701 {
702 return current_run_state == state;
703 }
704
705 bool runstate_store(char *str, size_t size)
706 {
707 const char *state = RunState_str(current_run_state);
708 size_t len = strlen(state) + 1;
709
710 if (len > size) {
711 return false;
712 }
713 memcpy(str, state, len);
714 return true;
715 }
716
717 static void runstate_init(void)
718 {
719 const RunStateTransition *p;
720
721 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
722 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
723 runstate_valid_transitions[p->from][p->to] = true;
724 }
725
726 qemu_mutex_init(&vmstop_lock);
727 }
728
729 /* This function will abort() on invalid state transitions */
730 void runstate_set(RunState new_state)
731 {
732 assert(new_state < RUN_STATE__MAX);
733
734 if (current_run_state == new_state) {
735 return;
736 }
737
738 if (!runstate_valid_transitions[current_run_state][new_state]) {
739 error_report("invalid runstate transition: '%s' -> '%s'",
740 RunState_str(current_run_state),
741 RunState_str(new_state));
742 abort();
743 }
744 trace_runstate_set(new_state);
745 current_run_state = new_state;
746 }
747
748 int runstate_is_running(void)
749 {
750 return runstate_check(RUN_STATE_RUNNING);
751 }
752
753 bool runstate_needs_reset(void)
754 {
755 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
756 runstate_check(RUN_STATE_SHUTDOWN);
757 }
758
759 StatusInfo *qmp_query_status(Error **errp)
760 {
761 StatusInfo *info = g_malloc0(sizeof(*info));
762
763 info->running = runstate_is_running();
764 info->singlestep = singlestep;
765 info->status = current_run_state;
766
767 return info;
768 }
769
770 bool qemu_vmstop_requested(RunState *r)
771 {
772 qemu_mutex_lock(&vmstop_lock);
773 *r = vmstop_requested;
774 vmstop_requested = RUN_STATE__MAX;
775 qemu_mutex_unlock(&vmstop_lock);
776 return *r < RUN_STATE__MAX;
777 }
778
779 void qemu_system_vmstop_request_prepare(void)
780 {
781 qemu_mutex_lock(&vmstop_lock);
782 }
783
784 void qemu_system_vmstop_request(RunState state)
785 {
786 vmstop_requested = state;
787 qemu_mutex_unlock(&vmstop_lock);
788 qemu_notify_event();
789 }
790
791 /***********************************************************/
792 /* RTC reference time/date access */
793 static time_t qemu_ref_timedate(QEMUClockType clock)
794 {
795 time_t value = qemu_clock_get_ms(clock) / 1000;
796 switch (clock) {
797 case QEMU_CLOCK_REALTIME:
798 value -= rtc_realtime_clock_offset;
799 /* no break */
800 case QEMU_CLOCK_VIRTUAL:
801 value += rtc_ref_start_datetime;
802 break;
803 case QEMU_CLOCK_HOST:
804 if (rtc_base_type == RTC_BASE_DATETIME) {
805 value -= rtc_host_datetime_offset;
806 }
807 break;
808 default:
809 assert(0);
810 }
811 return value;
812 }
813
814 void qemu_get_timedate(struct tm *tm, int offset)
815 {
816 time_t ti = qemu_ref_timedate(rtc_clock);
817
818 ti += offset;
819
820 switch (rtc_base_type) {
821 case RTC_BASE_DATETIME:
822 case RTC_BASE_UTC:
823 gmtime_r(&ti, tm);
824 break;
825 case RTC_BASE_LOCALTIME:
826 localtime_r(&ti, tm);
827 break;
828 }
829 }
830
831 int qemu_timedate_diff(struct tm *tm)
832 {
833 time_t seconds;
834
835 switch (rtc_base_type) {
836 case RTC_BASE_DATETIME:
837 case RTC_BASE_UTC:
838 seconds = mktimegm(tm);
839 break;
840 case RTC_BASE_LOCALTIME:
841 {
842 struct tm tmp = *tm;
843 tmp.tm_isdst = -1; /* use timezone to figure it out */
844 seconds = mktime(&tmp);
845 break;
846 }
847 default:
848 abort();
849 }
850
851 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
852 }
853
854 static void configure_rtc_base_datetime(const char *startdate)
855 {
856 time_t rtc_start_datetime;
857 struct tm tm;
858
859 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
860 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
861 /* OK */
862 } else if (sscanf(startdate, "%d-%d-%d",
863 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
864 tm.tm_hour = 0;
865 tm.tm_min = 0;
866 tm.tm_sec = 0;
867 } else {
868 goto date_fail;
869 }
870 tm.tm_year -= 1900;
871 tm.tm_mon--;
872 rtc_start_datetime = mktimegm(&tm);
873 if (rtc_start_datetime == -1) {
874 date_fail:
875 error_report("invalid datetime format");
876 error_printf("valid formats: "
877 "'2006-06-17T16:01:21' or '2006-06-17'\n");
878 exit(1);
879 }
880 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
881 rtc_ref_start_datetime = rtc_start_datetime;
882 }
883
884 static void configure_rtc(QemuOpts *opts)
885 {
886 const char *value;
887
888 /* Set defaults */
889 rtc_clock = QEMU_CLOCK_HOST;
890 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
891 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
892
893 value = qemu_opt_get(opts, "base");
894 if (value) {
895 if (!strcmp(value, "utc")) {
896 rtc_base_type = RTC_BASE_UTC;
897 } else if (!strcmp(value, "localtime")) {
898 Error *blocker = NULL;
899 rtc_base_type = RTC_BASE_LOCALTIME;
900 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
901 "-rtc base=localtime");
902 replay_add_blocker(blocker);
903 } else {
904 rtc_base_type = RTC_BASE_DATETIME;
905 configure_rtc_base_datetime(value);
906 }
907 }
908 value = qemu_opt_get(opts, "clock");
909 if (value) {
910 if (!strcmp(value, "host")) {
911 rtc_clock = QEMU_CLOCK_HOST;
912 } else if (!strcmp(value, "rt")) {
913 rtc_clock = QEMU_CLOCK_REALTIME;
914 } else if (!strcmp(value, "vm")) {
915 rtc_clock = QEMU_CLOCK_VIRTUAL;
916 } else {
917 error_report("invalid option value '%s'", value);
918 exit(1);
919 }
920 }
921 value = qemu_opt_get(opts, "driftfix");
922 if (value) {
923 if (!strcmp(value, "slew")) {
924 static GlobalProperty slew_lost_ticks = {
925 .driver = "mc146818rtc",
926 .property = "lost_tick_policy",
927 .value = "slew",
928 };
929
930 qdev_prop_register_global(&slew_lost_ticks);
931 } else if (!strcmp(value, "none")) {
932 /* discard is default */
933 } else {
934 error_report("invalid option value '%s'", value);
935 exit(1);
936 }
937 }
938 }
939
940 /***********************************************************/
941 /* Bluetooth support */
942 static int nb_hcis;
943 static int cur_hci;
944 static struct HCIInfo *hci_table[MAX_NICS];
945
946 struct HCIInfo *qemu_next_hci(void)
947 {
948 if (cur_hci == nb_hcis)
949 return &null_hci;
950
951 return hci_table[cur_hci++];
952 }
953
954 static int bt_hci_parse(const char *str)
955 {
956 struct HCIInfo *hci;
957 bdaddr_t bdaddr;
958
959 if (nb_hcis >= MAX_NICS) {
960 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
961 return -1;
962 }
963
964 hci = hci_init(str);
965 if (!hci)
966 return -1;
967
968 bdaddr.b[0] = 0x52;
969 bdaddr.b[1] = 0x54;
970 bdaddr.b[2] = 0x00;
971 bdaddr.b[3] = 0x12;
972 bdaddr.b[4] = 0x34;
973 bdaddr.b[5] = 0x56 + nb_hcis;
974 hci->bdaddr_set(hci, bdaddr.b);
975
976 hci_table[nb_hcis++] = hci;
977
978 return 0;
979 }
980
981 static void bt_vhci_add(int vlan_id)
982 {
983 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
984
985 if (!vlan->slave)
986 warn_report("adding a VHCI to an empty scatternet %i",
987 vlan_id);
988
989 bt_vhci_init(bt_new_hci(vlan));
990 }
991
992 static struct bt_device_s *bt_device_add(const char *opt)
993 {
994 struct bt_scatternet_s *vlan;
995 int vlan_id = 0;
996 char *endp = strstr(opt, ",vlan=");
997 int len = (endp ? endp - opt : strlen(opt)) + 1;
998 char devname[10];
999
1000 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1001
1002 if (endp) {
1003 vlan_id = strtol(endp + 6, &endp, 0);
1004 if (*endp) {
1005 error_report("unrecognised bluetooth vlan Id");
1006 return 0;
1007 }
1008 }
1009
1010 vlan = qemu_find_bt_vlan(vlan_id);
1011
1012 if (!vlan->slave)
1013 warn_report("adding a slave device to an empty scatternet %i",
1014 vlan_id);
1015
1016 if (!strcmp(devname, "keyboard"))
1017 return bt_keyboard_init(vlan);
1018
1019 error_report("unsupported bluetooth device '%s'", devname);
1020 return 0;
1021 }
1022
1023 static int bt_parse(const char *opt)
1024 {
1025 const char *endp, *p;
1026 int vlan;
1027
1028 if (strstart(opt, "hci", &endp)) {
1029 if (!*endp || *endp == ',') {
1030 if (*endp)
1031 if (!strstart(endp, ",vlan=", 0))
1032 opt = endp + 1;
1033
1034 return bt_hci_parse(opt);
1035 }
1036 } else if (strstart(opt, "vhci", &endp)) {
1037 if (!*endp || *endp == ',') {
1038 if (*endp) {
1039 if (strstart(endp, ",vlan=", &p)) {
1040 vlan = strtol(p, (char **) &endp, 0);
1041 if (*endp) {
1042 error_report("bad scatternet '%s'", p);
1043 return 1;
1044 }
1045 } else {
1046 error_report("bad parameter '%s'", endp + 1);
1047 return 1;
1048 }
1049 } else
1050 vlan = 0;
1051
1052 bt_vhci_add(vlan);
1053 return 0;
1054 }
1055 } else if (strstart(opt, "device:", &endp))
1056 return !bt_device_add(endp);
1057
1058 error_report("bad bluetooth parameter '%s'", opt);
1059 return 1;
1060 }
1061
1062 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1063 {
1064 const char *proc_name;
1065
1066 if (qemu_opt_get(opts, "debug-threads")) {
1067 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1068 }
1069 qemu_name = qemu_opt_get(opts, "guest");
1070
1071 proc_name = qemu_opt_get(opts, "process");
1072 if (proc_name) {
1073 os_set_proc_name(proc_name);
1074 }
1075
1076 return 0;
1077 }
1078
1079 bool defaults_enabled(void)
1080 {
1081 return has_defaults;
1082 }
1083
1084 #ifndef _WIN32
1085 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1086 {
1087 int fd, dupfd, flags;
1088 int64_t fdset_id;
1089 const char *fd_opaque = NULL;
1090 AddfdInfo *fdinfo;
1091
1092 fd = qemu_opt_get_number(opts, "fd", -1);
1093 fdset_id = qemu_opt_get_number(opts, "set", -1);
1094 fd_opaque = qemu_opt_get(opts, "opaque");
1095
1096 if (fd < 0) {
1097 error_setg(errp, "fd option is required and must be non-negative");
1098 return -1;
1099 }
1100
1101 if (fd <= STDERR_FILENO) {
1102 error_setg(errp, "fd cannot be a standard I/O stream");
1103 return -1;
1104 }
1105
1106 /*
1107 * All fds inherited across exec() necessarily have FD_CLOEXEC
1108 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1109 */
1110 flags = fcntl(fd, F_GETFD);
1111 if (flags == -1 || (flags & FD_CLOEXEC)) {
1112 error_setg(errp, "fd is not valid or already in use");
1113 return -1;
1114 }
1115
1116 if (fdset_id < 0) {
1117 error_setg(errp, "set option is required and must be non-negative");
1118 return -1;
1119 }
1120
1121 #ifdef F_DUPFD_CLOEXEC
1122 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1123 #else
1124 dupfd = dup(fd);
1125 if (dupfd != -1) {
1126 qemu_set_cloexec(dupfd);
1127 }
1128 #endif
1129 if (dupfd == -1) {
1130 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1131 return -1;
1132 }
1133
1134 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1135 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1136 &error_abort);
1137 g_free(fdinfo);
1138
1139 return 0;
1140 }
1141
1142 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1143 {
1144 int fd;
1145
1146 fd = qemu_opt_get_number(opts, "fd", -1);
1147 close(fd);
1148
1149 return 0;
1150 }
1151 #endif
1152
1153 /***********************************************************/
1154 /* QEMU Block devices */
1155
1156 #define HD_OPTS "media=disk"
1157 #define CDROM_OPTS "media=cdrom"
1158 #define FD_OPTS ""
1159 #define PFLASH_OPTS ""
1160 #define MTD_OPTS ""
1161 #define SD_OPTS ""
1162
1163 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1164 {
1165 BlockInterfaceType *block_default_type = opaque;
1166
1167 return drive_new(opts, *block_default_type, errp) == NULL;
1168 }
1169
1170 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1171 {
1172 if (qemu_opt_get(opts, "snapshot") == NULL) {
1173 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1174 }
1175 return 0;
1176 }
1177
1178 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1179 int index, const char *optstr)
1180 {
1181 QemuOpts *opts;
1182 DriveInfo *dinfo;
1183
1184 if (!enable || drive_get_by_index(type, index)) {
1185 return;
1186 }
1187
1188 opts = drive_add(type, index, NULL, optstr);
1189 if (snapshot) {
1190 drive_enable_snapshot(NULL, opts, NULL);
1191 }
1192
1193 dinfo = drive_new(opts, type, &error_abort);
1194 dinfo->is_default = true;
1195
1196 }
1197
1198 static QemuOptsList qemu_smp_opts = {
1199 .name = "smp-opts",
1200 .implied_opt_name = "cpus",
1201 .merge_lists = true,
1202 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1203 .desc = {
1204 {
1205 .name = "cpus",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "sockets",
1209 .type = QEMU_OPT_NUMBER,
1210 }, {
1211 .name = "cores",
1212 .type = QEMU_OPT_NUMBER,
1213 }, {
1214 .name = "threads",
1215 .type = QEMU_OPT_NUMBER,
1216 }, {
1217 .name = "maxcpus",
1218 .type = QEMU_OPT_NUMBER,
1219 },
1220 { /*End of list */ }
1221 },
1222 };
1223
1224 static void smp_parse(QemuOpts *opts)
1225 {
1226 if (opts) {
1227 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1228 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1229 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1230 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1231
1232 /* compute missing values, prefer sockets over cores over threads */
1233 if (cpus == 0 || sockets == 0) {
1234 cores = cores > 0 ? cores : 1;
1235 threads = threads > 0 ? threads : 1;
1236 if (cpus == 0) {
1237 sockets = sockets > 0 ? sockets : 1;
1238 cpus = cores * threads * sockets;
1239 } else {
1240 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1241 sockets = max_cpus / (cores * threads);
1242 }
1243 } else if (cores == 0) {
1244 threads = threads > 0 ? threads : 1;
1245 cores = cpus / (sockets * threads);
1246 cores = cores > 0 ? cores : 1;
1247 } else if (threads == 0) {
1248 threads = cpus / (cores * sockets);
1249 threads = threads > 0 ? threads : 1;
1250 } else if (sockets * cores * threads < cpus) {
1251 error_report("cpu topology: "
1252 "sockets (%u) * cores (%u) * threads (%u) < "
1253 "smp_cpus (%u)",
1254 sockets, cores, threads, cpus);
1255 exit(1);
1256 }
1257
1258 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1259
1260 if (max_cpus < cpus) {
1261 error_report("maxcpus must be equal to or greater than smp");
1262 exit(1);
1263 }
1264
1265 if (sockets * cores * threads > max_cpus) {
1266 error_report("cpu topology: "
1267 "sockets (%u) * cores (%u) * threads (%u) > "
1268 "maxcpus (%u)",
1269 sockets, cores, threads, max_cpus);
1270 exit(1);
1271 }
1272
1273 if (sockets * cores * threads != max_cpus) {
1274 warn_report("Invalid CPU topology deprecated: "
1275 "sockets (%u) * cores (%u) * threads (%u) "
1276 "!= maxcpus (%u)",
1277 sockets, cores, threads, max_cpus);
1278 }
1279
1280 smp_cpus = cpus;
1281 smp_cores = cores;
1282 smp_threads = threads;
1283 }
1284
1285 if (smp_cpus > 1) {
1286 Error *blocker = NULL;
1287 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1288 replay_add_blocker(blocker);
1289 }
1290 }
1291
1292 static void realtime_init(void)
1293 {
1294 if (enable_mlock) {
1295 if (os_mlock() < 0) {
1296 error_report("locking memory failed");
1297 exit(1);
1298 }
1299 }
1300 }
1301
1302
1303 static void configure_msg(QemuOpts *opts)
1304 {
1305 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1306 }
1307
1308 /***********************************************************/
1309 /* Semihosting */
1310
1311 typedef struct SemihostingConfig {
1312 bool enabled;
1313 SemihostingTarget target;
1314 const char **argv;
1315 int argc;
1316 const char *cmdline; /* concatenated argv */
1317 } SemihostingConfig;
1318
1319 static SemihostingConfig semihosting;
1320
1321 bool semihosting_enabled(void)
1322 {
1323 return semihosting.enabled;
1324 }
1325
1326 SemihostingTarget semihosting_get_target(void)
1327 {
1328 return semihosting.target;
1329 }
1330
1331 const char *semihosting_get_arg(int i)
1332 {
1333 if (i >= semihosting.argc) {
1334 return NULL;
1335 }
1336 return semihosting.argv[i];
1337 }
1338
1339 int semihosting_get_argc(void)
1340 {
1341 return semihosting.argc;
1342 }
1343
1344 const char *semihosting_get_cmdline(void)
1345 {
1346 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1347 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1348 }
1349 return semihosting.cmdline;
1350 }
1351
1352 static int add_semihosting_arg(void *opaque,
1353 const char *name, const char *val,
1354 Error **errp)
1355 {
1356 SemihostingConfig *s = opaque;
1357 if (strcmp(name, "arg") == 0) {
1358 s->argc++;
1359 /* one extra element as g_strjoinv() expects NULL-terminated array */
1360 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1361 s->argv[s->argc - 1] = val;
1362 s->argv[s->argc] = NULL;
1363 }
1364 return 0;
1365 }
1366
1367 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1368 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1369 {
1370 char *cmd_token;
1371
1372 /* argv[0] */
1373 add_semihosting_arg(&semihosting, "arg", file, NULL);
1374
1375 /* split -append and initialize argv[1..n] */
1376 cmd_token = strtok(g_strdup(cmd), " ");
1377 while (cmd_token) {
1378 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1379 cmd_token = strtok(NULL, " ");
1380 }
1381 }
1382
1383 /* Now we still need this for compatibility with XEN. */
1384 bool has_igd_gfx_passthru;
1385 static void igd_gfx_passthru(void)
1386 {
1387 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1388 }
1389
1390 /***********************************************************/
1391 /* USB devices */
1392
1393 static int usb_device_add(const char *devname)
1394 {
1395 USBDevice *dev = NULL;
1396
1397 if (!machine_usb(current_machine)) {
1398 return -1;
1399 }
1400
1401 dev = usbdevice_create(devname);
1402 if (!dev)
1403 return -1;
1404
1405 return 0;
1406 }
1407
1408 static int usb_parse(const char *cmdline)
1409 {
1410 int r;
1411 r = usb_device_add(cmdline);
1412 if (r < 0) {
1413 error_report("could not add USB device '%s'", cmdline);
1414 }
1415 return r;
1416 }
1417
1418 /***********************************************************/
1419 /* machine registration */
1420
1421 MachineState *current_machine;
1422
1423 static MachineClass *find_machine(const char *name)
1424 {
1425 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1426 MachineClass *mc = NULL;
1427
1428 for (el = machines; el; el = el->next) {
1429 MachineClass *temp = el->data;
1430
1431 if (!strcmp(temp->name, name)) {
1432 mc = temp;
1433 break;
1434 }
1435 if (temp->alias &&
1436 !strcmp(temp->alias, name)) {
1437 mc = temp;
1438 break;
1439 }
1440 }
1441
1442 g_slist_free(machines);
1443 return mc;
1444 }
1445
1446 MachineClass *find_default_machine(void)
1447 {
1448 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1449 MachineClass *mc = NULL;
1450
1451 for (el = machines; el; el = el->next) {
1452 MachineClass *temp = el->data;
1453
1454 if (temp->is_default) {
1455 mc = temp;
1456 break;
1457 }
1458 }
1459
1460 g_slist_free(machines);
1461 return mc;
1462 }
1463
1464 MachineInfoList *qmp_query_machines(Error **errp)
1465 {
1466 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1467 MachineInfoList *mach_list = NULL;
1468
1469 for (el = machines; el; el = el->next) {
1470 MachineClass *mc = el->data;
1471 MachineInfoList *entry;
1472 MachineInfo *info;
1473
1474 info = g_malloc0(sizeof(*info));
1475 if (mc->is_default) {
1476 info->has_is_default = true;
1477 info->is_default = true;
1478 }
1479
1480 if (mc->alias) {
1481 info->has_alias = true;
1482 info->alias = g_strdup(mc->alias);
1483 }
1484
1485 info->name = g_strdup(mc->name);
1486 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1487 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1488
1489 entry = g_malloc0(sizeof(*entry));
1490 entry->value = info;
1491 entry->next = mach_list;
1492 mach_list = entry;
1493 }
1494
1495 g_slist_free(machines);
1496 return mach_list;
1497 }
1498
1499 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1500 {
1501 ObjectProperty *prop;
1502 ObjectPropertyIterator iter;
1503
1504 if (!qemu_opt_has_help_opt(opts)) {
1505 return 0;
1506 }
1507
1508 object_property_iter_init(&iter, OBJECT(machine));
1509 while ((prop = object_property_iter_next(&iter))) {
1510 if (!prop->set) {
1511 continue;
1512 }
1513
1514 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1515 prop->name, prop->type);
1516 if (prop->description) {
1517 error_printf(" (%s)\n", prop->description);
1518 } else {
1519 error_printf("\n");
1520 }
1521 }
1522
1523 return 1;
1524 }
1525
1526 struct vm_change_state_entry {
1527 VMChangeStateHandler *cb;
1528 void *opaque;
1529 QLIST_ENTRY (vm_change_state_entry) entries;
1530 };
1531
1532 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1533
1534 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1535 void *opaque)
1536 {
1537 VMChangeStateEntry *e;
1538
1539 e = g_malloc0(sizeof (*e));
1540
1541 e->cb = cb;
1542 e->opaque = opaque;
1543 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1544 return e;
1545 }
1546
1547 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1548 {
1549 QLIST_REMOVE (e, entries);
1550 g_free (e);
1551 }
1552
1553 void vm_state_notify(int running, RunState state)
1554 {
1555 VMChangeStateEntry *e, *next;
1556
1557 trace_vm_state_notify(running, state);
1558
1559 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1560 e->cb(e->opaque, running, state);
1561 }
1562 }
1563
1564 static ShutdownCause reset_requested;
1565 static ShutdownCause shutdown_requested;
1566 static int shutdown_signal;
1567 static pid_t shutdown_pid;
1568 static int powerdown_requested;
1569 static int debug_requested;
1570 static int suspend_requested;
1571 static bool preconfig_exit_requested = true;
1572 static WakeupReason wakeup_reason;
1573 static NotifierList powerdown_notifiers =
1574 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1575 static NotifierList suspend_notifiers =
1576 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1577 static NotifierList wakeup_notifiers =
1578 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1579 static NotifierList shutdown_notifiers =
1580 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1581 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1582
1583 ShutdownCause qemu_shutdown_requested_get(void)
1584 {
1585 return shutdown_requested;
1586 }
1587
1588 ShutdownCause qemu_reset_requested_get(void)
1589 {
1590 return reset_requested;
1591 }
1592
1593 static int qemu_shutdown_requested(void)
1594 {
1595 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1596 }
1597
1598 static void qemu_kill_report(void)
1599 {
1600 if (!qtest_driver() && shutdown_signal) {
1601 if (shutdown_pid == 0) {
1602 /* This happens for eg ^C at the terminal, so it's worth
1603 * avoiding printing an odd message in that case.
1604 */
1605 error_report("terminating on signal %d", shutdown_signal);
1606 } else {
1607 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1608
1609 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1610 shutdown_signal, shutdown_pid,
1611 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1612 g_free(shutdown_cmd);
1613 }
1614 shutdown_signal = 0;
1615 }
1616 }
1617
1618 static ShutdownCause qemu_reset_requested(void)
1619 {
1620 ShutdownCause r = reset_requested;
1621
1622 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1623 reset_requested = SHUTDOWN_CAUSE_NONE;
1624 return r;
1625 }
1626 return SHUTDOWN_CAUSE_NONE;
1627 }
1628
1629 static int qemu_suspend_requested(void)
1630 {
1631 int r = suspend_requested;
1632 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1633 suspend_requested = 0;
1634 return r;
1635 }
1636 return false;
1637 }
1638
1639 static WakeupReason qemu_wakeup_requested(void)
1640 {
1641 return wakeup_reason;
1642 }
1643
1644 static int qemu_powerdown_requested(void)
1645 {
1646 int r = powerdown_requested;
1647 powerdown_requested = 0;
1648 return r;
1649 }
1650
1651 static int qemu_debug_requested(void)
1652 {
1653 int r = debug_requested;
1654 debug_requested = 0;
1655 return r;
1656 }
1657
1658 void qemu_exit_preconfig_request(void)
1659 {
1660 preconfig_exit_requested = true;
1661 }
1662
1663 /*
1664 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1665 */
1666 void qemu_system_reset(ShutdownCause reason)
1667 {
1668 MachineClass *mc;
1669
1670 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1671
1672 cpu_synchronize_all_states();
1673
1674 if (mc && mc->reset) {
1675 mc->reset();
1676 } else {
1677 qemu_devices_reset();
1678 }
1679 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1680 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1681 }
1682 cpu_synchronize_all_post_reset();
1683 }
1684
1685 void qemu_system_guest_panicked(GuestPanicInformation *info)
1686 {
1687 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1688
1689 if (current_cpu) {
1690 current_cpu->crash_occurred = true;
1691 }
1692 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1693 !!info, info);
1694 vm_stop(RUN_STATE_GUEST_PANICKED);
1695 if (!no_shutdown) {
1696 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1697 !!info, info);
1698 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1699 }
1700
1701 if (info) {
1702 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1703 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1704 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1705 info->u.hyper_v.arg1,
1706 info->u.hyper_v.arg2,
1707 info->u.hyper_v.arg3,
1708 info->u.hyper_v.arg4,
1709 info->u.hyper_v.arg5);
1710 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1711 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1712 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1713 info->u.s390.core,
1714 S390CrashReason_str(info->u.s390.reason),
1715 info->u.s390.psw_mask,
1716 info->u.s390.psw_addr);
1717 }
1718 qapi_free_GuestPanicInformation(info);
1719 }
1720 }
1721
1722 void qemu_system_reset_request(ShutdownCause reason)
1723 {
1724 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1725 shutdown_requested = reason;
1726 } else {
1727 reset_requested = reason;
1728 }
1729 cpu_stop_current();
1730 qemu_notify_event();
1731 }
1732
1733 static void qemu_system_suspend(void)
1734 {
1735 pause_all_vcpus();
1736 notifier_list_notify(&suspend_notifiers, NULL);
1737 runstate_set(RUN_STATE_SUSPENDED);
1738 qapi_event_send_suspend();
1739 }
1740
1741 void qemu_system_suspend_request(void)
1742 {
1743 if (runstate_check(RUN_STATE_SUSPENDED)) {
1744 return;
1745 }
1746 suspend_requested = 1;
1747 cpu_stop_current();
1748 qemu_notify_event();
1749 }
1750
1751 void qemu_register_suspend_notifier(Notifier *notifier)
1752 {
1753 notifier_list_add(&suspend_notifiers, notifier);
1754 }
1755
1756 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1757 {
1758 trace_system_wakeup_request(reason);
1759
1760 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1761 error_setg(errp,
1762 "Unable to wake up: guest is not in suspended state");
1763 return;
1764 }
1765 if (!(wakeup_reason_mask & (1 << reason))) {
1766 return;
1767 }
1768 runstate_set(RUN_STATE_RUNNING);
1769 wakeup_reason = reason;
1770 qemu_notify_event();
1771 }
1772
1773 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1774 {
1775 if (enabled) {
1776 wakeup_reason_mask |= (1 << reason);
1777 } else {
1778 wakeup_reason_mask &= ~(1 << reason);
1779 }
1780 }
1781
1782 void qemu_register_wakeup_notifier(Notifier *notifier)
1783 {
1784 notifier_list_add(&wakeup_notifiers, notifier);
1785 }
1786
1787 void qemu_register_wakeup_support(void)
1788 {
1789 wakeup_suspend_enabled = true;
1790 }
1791
1792 bool qemu_wakeup_suspend_enabled(void)
1793 {
1794 return wakeup_suspend_enabled;
1795 }
1796
1797 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1798 {
1799 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1800 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1801
1802 return params;
1803 }
1804
1805 void qemu_system_killed(int signal, pid_t pid)
1806 {
1807 shutdown_signal = signal;
1808 shutdown_pid = pid;
1809 no_shutdown = 0;
1810
1811 /* Cannot call qemu_system_shutdown_request directly because
1812 * we are in a signal handler.
1813 */
1814 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1815 qemu_notify_event();
1816 }
1817
1818 void qemu_system_shutdown_request(ShutdownCause reason)
1819 {
1820 trace_qemu_system_shutdown_request(reason);
1821 replay_shutdown_request(reason);
1822 shutdown_requested = reason;
1823 qemu_notify_event();
1824 }
1825
1826 static void qemu_system_powerdown(void)
1827 {
1828 qapi_event_send_powerdown();
1829 notifier_list_notify(&powerdown_notifiers, NULL);
1830 }
1831
1832 static void qemu_system_shutdown(ShutdownCause cause)
1833 {
1834 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1835 notifier_list_notify(&shutdown_notifiers, &cause);
1836 }
1837
1838 void qemu_system_powerdown_request(void)
1839 {
1840 trace_qemu_system_powerdown_request();
1841 powerdown_requested = 1;
1842 qemu_notify_event();
1843 }
1844
1845 void qemu_register_powerdown_notifier(Notifier *notifier)
1846 {
1847 notifier_list_add(&powerdown_notifiers, notifier);
1848 }
1849
1850 void qemu_register_shutdown_notifier(Notifier *notifier)
1851 {
1852 notifier_list_add(&shutdown_notifiers, notifier);
1853 }
1854
1855 void qemu_system_debug_request(void)
1856 {
1857 debug_requested = 1;
1858 qemu_notify_event();
1859 }
1860
1861 static bool main_loop_should_exit(void)
1862 {
1863 RunState r;
1864 ShutdownCause request;
1865
1866 if (preconfig_exit_requested) {
1867 if (runstate_check(RUN_STATE_PRECONFIG)) {
1868 runstate_set(RUN_STATE_PRELAUNCH);
1869 }
1870 preconfig_exit_requested = false;
1871 return true;
1872 }
1873 if (qemu_debug_requested()) {
1874 vm_stop(RUN_STATE_DEBUG);
1875 }
1876 if (qemu_suspend_requested()) {
1877 qemu_system_suspend();
1878 }
1879 request = qemu_shutdown_requested();
1880 if (request) {
1881 qemu_kill_report();
1882 qemu_system_shutdown(request);
1883 if (no_shutdown) {
1884 vm_stop(RUN_STATE_SHUTDOWN);
1885 } else {
1886 return true;
1887 }
1888 }
1889 request = qemu_reset_requested();
1890 if (request) {
1891 pause_all_vcpus();
1892 qemu_system_reset(request);
1893 resume_all_vcpus();
1894 if (!runstate_check(RUN_STATE_RUNNING) &&
1895 !runstate_check(RUN_STATE_INMIGRATE)) {
1896 runstate_set(RUN_STATE_PRELAUNCH);
1897 }
1898 }
1899 if (qemu_wakeup_requested()) {
1900 pause_all_vcpus();
1901 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1902 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1903 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1904 resume_all_vcpus();
1905 qapi_event_send_wakeup();
1906 }
1907 if (qemu_powerdown_requested()) {
1908 qemu_system_powerdown();
1909 }
1910 if (qemu_vmstop_requested(&r)) {
1911 vm_stop(r);
1912 }
1913 return false;
1914 }
1915
1916 static void main_loop(void)
1917 {
1918 #ifdef CONFIG_PROFILER
1919 int64_t ti;
1920 #endif
1921 while (!main_loop_should_exit()) {
1922 #ifdef CONFIG_PROFILER
1923 ti = profile_getclock();
1924 #endif
1925 main_loop_wait(false);
1926 #ifdef CONFIG_PROFILER
1927 dev_time += profile_getclock() - ti;
1928 #endif
1929 }
1930 }
1931
1932 static void version(void)
1933 {
1934 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1935 QEMU_COPYRIGHT "\n");
1936 }
1937
1938 static void help(int exitcode)
1939 {
1940 version();
1941 printf("usage: %s [options] [disk_image]\n\n"
1942 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1943 error_get_progname());
1944
1945 #define QEMU_OPTIONS_GENERATE_HELP
1946 #include "qemu-options-wrapper.h"
1947
1948 printf("\nDuring emulation, the following keys are useful:\n"
1949 "ctrl-alt-f toggle full screen\n"
1950 "ctrl-alt-n switch to virtual console 'n'\n"
1951 "ctrl-alt toggle mouse and keyboard grab\n"
1952 "\n"
1953 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1954 "\n"
1955 QEMU_HELP_BOTTOM "\n");
1956
1957 exit(exitcode);
1958 }
1959
1960 #define HAS_ARG 0x0001
1961
1962 typedef struct QEMUOption {
1963 const char *name;
1964 int flags;
1965 int index;
1966 uint32_t arch_mask;
1967 } QEMUOption;
1968
1969 static const QEMUOption qemu_options[] = {
1970 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1971 #define QEMU_OPTIONS_GENERATE_OPTIONS
1972 #include "qemu-options-wrapper.h"
1973 { NULL },
1974 };
1975
1976 typedef struct VGAInterfaceInfo {
1977 const char *opt_name; /* option name */
1978 const char *name; /* human-readable name */
1979 /* Class names indicating that support is available.
1980 * If no class is specified, the interface is always available */
1981 const char *class_names[2];
1982 } VGAInterfaceInfo;
1983
1984 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1985 [VGA_NONE] = {
1986 .opt_name = "none",
1987 },
1988 [VGA_STD] = {
1989 .opt_name = "std",
1990 .name = "standard VGA",
1991 .class_names = { "VGA", "isa-vga" },
1992 },
1993 [VGA_CIRRUS] = {
1994 .opt_name = "cirrus",
1995 .name = "Cirrus VGA",
1996 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1997 },
1998 [VGA_VMWARE] = {
1999 .opt_name = "vmware",
2000 .name = "VMWare SVGA",
2001 .class_names = { "vmware-svga" },
2002 },
2003 [VGA_VIRTIO] = {
2004 .opt_name = "virtio",
2005 .name = "Virtio VGA",
2006 .class_names = { "virtio-vga" },
2007 },
2008 [VGA_QXL] = {
2009 .opt_name = "qxl",
2010 .name = "QXL VGA",
2011 .class_names = { "qxl-vga" },
2012 },
2013 [VGA_TCX] = {
2014 .opt_name = "tcx",
2015 .name = "TCX framebuffer",
2016 .class_names = { "SUNW,tcx" },
2017 },
2018 [VGA_CG3] = {
2019 .opt_name = "cg3",
2020 .name = "CG3 framebuffer",
2021 .class_names = { "cgthree" },
2022 },
2023 [VGA_XENFB] = {
2024 .opt_name = "xenfb",
2025 },
2026 };
2027
2028 static bool vga_interface_available(VGAInterfaceType t)
2029 {
2030 VGAInterfaceInfo *ti = &vga_interfaces[t];
2031
2032 assert(t < VGA_TYPE_MAX);
2033 return !ti->class_names[0] ||
2034 object_class_by_name(ti->class_names[0]) ||
2035 object_class_by_name(ti->class_names[1]);
2036 }
2037
2038 static void select_vgahw(const char *p)
2039 {
2040 const char *opts;
2041 int t;
2042
2043 assert(vga_interface_type == VGA_NONE);
2044 for (t = 0; t < VGA_TYPE_MAX; t++) {
2045 VGAInterfaceInfo *ti = &vga_interfaces[t];
2046 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2047 if (!vga_interface_available(t)) {
2048 error_report("%s not available", ti->name);
2049 exit(1);
2050 }
2051 vga_interface_type = t;
2052 break;
2053 }
2054 }
2055 if (t == VGA_TYPE_MAX) {
2056 invalid_vga:
2057 error_report("unknown vga type: %s", p);
2058 exit(1);
2059 }
2060 while (*opts) {
2061 const char *nextopt;
2062
2063 if (strstart(opts, ",retrace=", &nextopt)) {
2064 opts = nextopt;
2065 if (strstart(opts, "dumb", &nextopt))
2066 vga_retrace_method = VGA_RETRACE_DUMB;
2067 else if (strstart(opts, "precise", &nextopt))
2068 vga_retrace_method = VGA_RETRACE_PRECISE;
2069 else goto invalid_vga;
2070 } else goto invalid_vga;
2071 opts = nextopt;
2072 }
2073 }
2074
2075 static void parse_display_qapi(const char *optarg)
2076 {
2077 DisplayOptions *opts;
2078 Visitor *v;
2079
2080 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2081
2082 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2083 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2084
2085 qapi_free_DisplayOptions(opts);
2086 visit_free(v);
2087 }
2088
2089 DisplayOptions *qmp_query_display_options(Error **errp)
2090 {
2091 return QAPI_CLONE(DisplayOptions, &dpy);
2092 }
2093
2094 static void parse_display(const char *p)
2095 {
2096 const char *opts;
2097
2098 if (strstart(p, "sdl", &opts)) {
2099 /*
2100 * sdl DisplayType needs hand-crafted parser instead of
2101 * parse_display_qapi() due to some options not in
2102 * DisplayOptions, specifically:
2103 * - frame
2104 * Already deprecated.
2105 * - ctrl_grab + alt_grab
2106 * Not clear yet what happens to them long-term. Should
2107 * replaced by something better or deprecated and dropped.
2108 */
2109 dpy.type = DISPLAY_TYPE_SDL;
2110 while (*opts) {
2111 const char *nextopt;
2112
2113 if (strstart(opts, ",frame=", &nextopt)) {
2114 g_printerr("The frame= sdl option is deprecated, and will be\n"
2115 "removed in a future release.\n");
2116 opts = nextopt;
2117 if (strstart(opts, "on", &nextopt)) {
2118 no_frame = 0;
2119 } else if (strstart(opts, "off", &nextopt)) {
2120 no_frame = 1;
2121 } else {
2122 goto invalid_sdl_args;
2123 }
2124 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2125 opts = nextopt;
2126 if (strstart(opts, "on", &nextopt)) {
2127 alt_grab = 1;
2128 } else if (strstart(opts, "off", &nextopt)) {
2129 alt_grab = 0;
2130 } else {
2131 goto invalid_sdl_args;
2132 }
2133 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2134 opts = nextopt;
2135 if (strstart(opts, "on", &nextopt)) {
2136 ctrl_grab = 1;
2137 } else if (strstart(opts, "off", &nextopt)) {
2138 ctrl_grab = 0;
2139 } else {
2140 goto invalid_sdl_args;
2141 }
2142 } else if (strstart(opts, ",window_close=", &nextopt)) {
2143 opts = nextopt;
2144 dpy.has_window_close = true;
2145 if (strstart(opts, "on", &nextopt)) {
2146 dpy.window_close = true;
2147 } else if (strstart(opts, "off", &nextopt)) {
2148 dpy.window_close = false;
2149 } else {
2150 goto invalid_sdl_args;
2151 }
2152 } else if (strstart(opts, ",gl=", &nextopt)) {
2153 opts = nextopt;
2154 dpy.has_gl = true;
2155 if (strstart(opts, "on", &nextopt)) {
2156 dpy.gl = DISPLAYGL_MODE_ON;
2157 } else if (strstart(opts, "core", &nextopt)) {
2158 dpy.gl = DISPLAYGL_MODE_CORE;
2159 } else if (strstart(opts, "es", &nextopt)) {
2160 dpy.gl = DISPLAYGL_MODE_ES;
2161 } else if (strstart(opts, "off", &nextopt)) {
2162 dpy.gl = DISPLAYGL_MODE_OFF;
2163 } else {
2164 goto invalid_sdl_args;
2165 }
2166 } else {
2167 invalid_sdl_args:
2168 error_report("invalid SDL option string");
2169 exit(1);
2170 }
2171 opts = nextopt;
2172 }
2173 } else if (strstart(p, "vnc", &opts)) {
2174 /*
2175 * vnc isn't a (local) DisplayType but a protocol for remote
2176 * display access.
2177 */
2178 if (*opts == '=') {
2179 vnc_parse(opts + 1, &error_fatal);
2180 } else {
2181 error_report("VNC requires a display argument vnc=<display>");
2182 exit(1);
2183 }
2184 } else {
2185 parse_display_qapi(p);
2186 }
2187 }
2188
2189 char *qemu_find_file(int type, const char *name)
2190 {
2191 int i;
2192 const char *subdir;
2193 char *buf;
2194
2195 /* Try the name as a straight path first */
2196 if (access(name, R_OK) == 0) {
2197 trace_load_file(name, name);
2198 return g_strdup(name);
2199 }
2200
2201 switch (type) {
2202 case QEMU_FILE_TYPE_BIOS:
2203 subdir = "";
2204 break;
2205 case QEMU_FILE_TYPE_KEYMAP:
2206 subdir = "keymaps/";
2207 break;
2208 default:
2209 abort();
2210 }
2211
2212 for (i = 0; i < data_dir_idx; i++) {
2213 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2214 if (access(buf, R_OK) == 0) {
2215 trace_load_file(name, buf);
2216 return buf;
2217 }
2218 g_free(buf);
2219 }
2220 return NULL;
2221 }
2222
2223 static void qemu_add_data_dir(const char *path)
2224 {
2225 int i;
2226
2227 if (path == NULL) {
2228 return;
2229 }
2230 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2231 return;
2232 }
2233 for (i = 0; i < data_dir_idx; i++) {
2234 if (strcmp(data_dir[i], path) == 0) {
2235 return; /* duplicate */
2236 }
2237 }
2238 data_dir[data_dir_idx++] = g_strdup(path);
2239 }
2240
2241 static inline bool nonempty_str(const char *str)
2242 {
2243 return str && *str;
2244 }
2245
2246 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2247 {
2248 gchar *buf;
2249 size_t size;
2250 const char *name, *file, *str;
2251 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2252
2253 if (fw_cfg == NULL) {
2254 error_setg(errp, "fw_cfg device not available");
2255 return -1;
2256 }
2257 name = qemu_opt_get(opts, "name");
2258 file = qemu_opt_get(opts, "file");
2259 str = qemu_opt_get(opts, "string");
2260
2261 /* we need name and either a file or the content string */
2262 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2263 error_setg(errp, "invalid argument(s)");
2264 return -1;
2265 }
2266 if (nonempty_str(file) && nonempty_str(str)) {
2267 error_setg(errp, "file and string are mutually exclusive");
2268 return -1;
2269 }
2270 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2271 error_setg(errp, "name too long (max. %d char)",
2272 FW_CFG_MAX_FILE_PATH - 1);
2273 return -1;
2274 }
2275 if (strncmp(name, "opt/", 4) != 0) {
2276 warn_report("externally provided fw_cfg item names "
2277 "should be prefixed with \"opt/\"");
2278 }
2279 if (nonempty_str(str)) {
2280 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2281 buf = g_memdup(str, size);
2282 } else {
2283 GError *err = NULL;
2284 if (!g_file_get_contents(file, &buf, &size, &err)) {
2285 error_setg(errp, "can't load %s: %s", file, err->message);
2286 g_error_free(err);
2287 return -1;
2288 }
2289 }
2290 /* For legacy, keep user files in a specific global order. */
2291 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2292 fw_cfg_add_file(fw_cfg, name, buf, size);
2293 fw_cfg_reset_order_override(fw_cfg);
2294 return 0;
2295 }
2296
2297 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2298 {
2299 return qdev_device_help(opts);
2300 }
2301
2302 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2303 {
2304 DeviceState *dev;
2305
2306 dev = qdev_device_add(opts, errp);
2307 if (!dev) {
2308 return -1;
2309 }
2310 object_unref(OBJECT(dev));
2311 return 0;
2312 }
2313
2314 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2315 {
2316 Error *local_err = NULL;
2317
2318 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2319 if (local_err) {
2320 error_propagate(errp, local_err);
2321 return -1;
2322 }
2323 exit(0);
2324 }
2325 return 0;
2326 }
2327
2328 #ifdef CONFIG_VIRTFS
2329 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2330 {
2331 return qemu_fsdev_add(opts, errp);
2332 }
2333 #endif
2334
2335 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2336 {
2337 Chardev *chr;
2338 const char *chardev;
2339 const char *mode;
2340 int flags;
2341
2342 mode = qemu_opt_get(opts, "mode");
2343 if (mode == NULL) {
2344 mode = "readline";
2345 }
2346 if (strcmp(mode, "readline") == 0) {
2347 flags = MONITOR_USE_READLINE;
2348 } else if (strcmp(mode, "control") == 0) {
2349 flags = MONITOR_USE_CONTROL;
2350 } else {
2351 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2352 return -1;
2353 }
2354
2355 if (qemu_opt_get_bool(opts, "pretty", 0))
2356 flags |= MONITOR_USE_PRETTY;
2357
2358 chardev = qemu_opt_get(opts, "chardev");
2359 if (!chardev) {
2360 error_report("chardev is required");
2361 exit(1);
2362 }
2363 chr = qemu_chr_find(chardev);
2364 if (chr == NULL) {
2365 error_setg(errp, "chardev \"%s\" not found", chardev);
2366 return -1;
2367 }
2368
2369 monitor_init(chr, flags);
2370 return 0;
2371 }
2372
2373 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2374 {
2375 static int monitor_device_index = 0;
2376 QemuOpts *opts;
2377 const char *p;
2378 char label[32];
2379
2380 if (strstart(optarg, "chardev:", &p)) {
2381 snprintf(label, sizeof(label), "%s", p);
2382 } else {
2383 snprintf(label, sizeof(label), "compat_monitor%d",
2384 monitor_device_index);
2385 opts = qemu_chr_parse_compat(label, optarg, true);
2386 if (!opts) {
2387 error_report("parse error: %s", optarg);
2388 exit(1);
2389 }
2390 }
2391
2392 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2393 qemu_opt_set(opts, "mode", mode, &error_abort);
2394 qemu_opt_set(opts, "chardev", label, &error_abort);
2395 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2396 monitor_device_index++;
2397 }
2398
2399 struct device_config {
2400 enum {
2401 DEV_USB, /* -usbdevice */
2402 DEV_BT, /* -bt */
2403 DEV_SERIAL, /* -serial */
2404 DEV_PARALLEL, /* -parallel */
2405 DEV_VIRTCON, /* -virtioconsole */
2406 DEV_DEBUGCON, /* -debugcon */
2407 DEV_GDB, /* -gdb, -s */
2408 DEV_SCLP, /* s390 sclp */
2409 } type;
2410 const char *cmdline;
2411 Location loc;
2412 QTAILQ_ENTRY(device_config) next;
2413 };
2414
2415 static QTAILQ_HEAD(, device_config) device_configs =
2416 QTAILQ_HEAD_INITIALIZER(device_configs);
2417
2418 static void add_device_config(int type, const char *cmdline)
2419 {
2420 struct device_config *conf;
2421
2422 conf = g_malloc0(sizeof(*conf));
2423 conf->type = type;
2424 conf->cmdline = cmdline;
2425 loc_save(&conf->loc);
2426 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2427 }
2428
2429 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2430 {
2431 struct device_config *conf;
2432 int rc;
2433
2434 QTAILQ_FOREACH(conf, &device_configs, next) {
2435 if (conf->type != type)
2436 continue;
2437 loc_push_restore(&conf->loc);
2438 rc = func(conf->cmdline);
2439 loc_pop(&conf->loc);
2440 if (rc) {
2441 return rc;
2442 }
2443 }
2444 return 0;
2445 }
2446
2447 static int serial_parse(const char *devname)
2448 {
2449 int index = num_serial_hds;
2450 char label[32];
2451
2452 if (strcmp(devname, "none") == 0)
2453 return 0;
2454 snprintf(label, sizeof(label), "serial%d", index);
2455 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2456
2457 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2458 if (!serial_hds[index]) {
2459 error_report("could not connect serial device"
2460 " to character backend '%s'", devname);
2461 return -1;
2462 }
2463 num_serial_hds++;
2464 return 0;
2465 }
2466
2467 Chardev *serial_hd(int i)
2468 {
2469 assert(i >= 0);
2470 if (i < num_serial_hds) {
2471 return serial_hds[i];
2472 }
2473 return NULL;
2474 }
2475
2476 int serial_max_hds(void)
2477 {
2478 return num_serial_hds;
2479 }
2480
2481 static int parallel_parse(const char *devname)
2482 {
2483 static int index = 0;
2484 char label[32];
2485
2486 if (strcmp(devname, "none") == 0)
2487 return 0;
2488 if (index == MAX_PARALLEL_PORTS) {
2489 error_report("too many parallel ports");
2490 exit(1);
2491 }
2492 snprintf(label, sizeof(label), "parallel%d", index);
2493 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2494 if (!parallel_hds[index]) {
2495 error_report("could not connect parallel device"
2496 " to character backend '%s'", devname);
2497 return -1;
2498 }
2499 index++;
2500 return 0;
2501 }
2502
2503 static int virtcon_parse(const char *devname)
2504 {
2505 QemuOptsList *device = qemu_find_opts("device");
2506 static int index = 0;
2507 char label[32];
2508 QemuOpts *bus_opts, *dev_opts;
2509
2510 if (strcmp(devname, "none") == 0)
2511 return 0;
2512 if (index == MAX_VIRTIO_CONSOLES) {
2513 error_report("too many virtio consoles");
2514 exit(1);
2515 }
2516
2517 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2518 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2519
2520 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2521 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2522
2523 snprintf(label, sizeof(label), "virtcon%d", index);
2524 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2525 if (!virtcon_hds[index]) {
2526 error_report("could not connect virtio console"
2527 " to character backend '%s'", devname);
2528 return -1;
2529 }
2530 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2531
2532 index++;
2533 return 0;
2534 }
2535
2536 static int debugcon_parse(const char *devname)
2537 {
2538 QemuOpts *opts;
2539
2540 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2541 error_report("invalid character backend '%s'", devname);
2542 exit(1);
2543 }
2544 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2545 if (!opts) {
2546 error_report("already have a debugcon device");
2547 exit(1);
2548 }
2549 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2550 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2551 return 0;
2552 }
2553
2554 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2555 {
2556 const MachineClass *mc1 = a, *mc2 = b;
2557 int res;
2558
2559 if (mc1->family == NULL) {
2560 if (mc2->family == NULL) {
2561 /* Compare standalone machine types against each other; they sort
2562 * in increasing order.
2563 */
2564 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2565 object_class_get_name(OBJECT_CLASS(mc2)));
2566 }
2567
2568 /* Standalone machine types sort after families. */
2569 return 1;
2570 }
2571
2572 if (mc2->family == NULL) {
2573 /* Families sort before standalone machine types. */
2574 return -1;
2575 }
2576
2577 /* Families sort between each other alphabetically increasingly. */
2578 res = strcmp(mc1->family, mc2->family);
2579 if (res != 0) {
2580 return res;
2581 }
2582
2583 /* Within the same family, machine types sort in decreasing order. */
2584 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2585 object_class_get_name(OBJECT_CLASS(mc1)));
2586 }
2587
2588 static MachineClass *machine_parse(const char *name)
2589 {
2590 MachineClass *mc = NULL;
2591 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2592
2593 if (name) {
2594 mc = find_machine(name);
2595 }
2596 if (mc) {
2597 g_slist_free(machines);
2598 return mc;
2599 }
2600 if (name && !is_help_option(name)) {
2601 error_report("unsupported machine type");
2602 error_printf("Use -machine help to list supported machines\n");
2603 } else {
2604 printf("Supported machines are:\n");
2605 machines = g_slist_sort(machines, machine_class_cmp);
2606 for (el = machines; el; el = el->next) {
2607 MachineClass *mc = el->data;
2608 if (mc->alias) {
2609 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2610 }
2611 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2612 mc->is_default ? " (default)" : "",
2613 mc->deprecation_reason ? " (deprecated)" : "");
2614 }
2615 }
2616
2617 g_slist_free(machines);
2618 exit(!name || !is_help_option(name));
2619 }
2620
2621 void qemu_add_exit_notifier(Notifier *notify)
2622 {
2623 notifier_list_add(&exit_notifiers, notify);
2624 }
2625
2626 void qemu_remove_exit_notifier(Notifier *notify)
2627 {
2628 notifier_remove(notify);
2629 }
2630
2631 static void qemu_run_exit_notifiers(void)
2632 {
2633 notifier_list_notify(&exit_notifiers, NULL);
2634 }
2635
2636 static const char *pid_file;
2637 static Notifier qemu_unlink_pidfile_notifier;
2638
2639 static void qemu_unlink_pidfile(Notifier *n, void *data)
2640 {
2641 if (pid_file) {
2642 unlink(pid_file);
2643 }
2644 }
2645
2646 bool machine_init_done;
2647
2648 void qemu_add_machine_init_done_notifier(Notifier *notify)
2649 {
2650 notifier_list_add(&machine_init_done_notifiers, notify);
2651 if (machine_init_done) {
2652 notify->notify(notify, NULL);
2653 }
2654 }
2655
2656 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2657 {
2658 notifier_remove(notify);
2659 }
2660
2661 static void qemu_run_machine_init_done_notifiers(void)
2662 {
2663 machine_init_done = true;
2664 notifier_list_notify(&machine_init_done_notifiers, NULL);
2665 }
2666
2667 static const QEMUOption *lookup_opt(int argc, char **argv,
2668 const char **poptarg, int *poptind)
2669 {
2670 const QEMUOption *popt;
2671 int optind = *poptind;
2672 char *r = argv[optind];
2673 const char *optarg;
2674
2675 loc_set_cmdline(argv, optind, 1);
2676 optind++;
2677 /* Treat --foo the same as -foo. */
2678 if (r[1] == '-')
2679 r++;
2680 popt = qemu_options;
2681 for(;;) {
2682 if (!popt->name) {
2683 error_report("invalid option");
2684 exit(1);
2685 }
2686 if (!strcmp(popt->name, r + 1))
2687 break;
2688 popt++;
2689 }
2690 if (popt->flags & HAS_ARG) {
2691 if (optind >= argc) {
2692 error_report("requires an argument");
2693 exit(1);
2694 }
2695 optarg = argv[optind++];
2696 loc_set_cmdline(argv, optind - 2, 2);
2697 } else {
2698 optarg = NULL;
2699 }
2700
2701 *poptarg = optarg;
2702 *poptind = optind;
2703
2704 return popt;
2705 }
2706
2707 static MachineClass *select_machine(void)
2708 {
2709 MachineClass *machine_class = find_default_machine();
2710 const char *optarg;
2711 QemuOpts *opts;
2712 Location loc;
2713
2714 loc_push_none(&loc);
2715
2716 opts = qemu_get_machine_opts();
2717 qemu_opts_loc_restore(opts);
2718
2719 optarg = qemu_opt_get(opts, "type");
2720 if (optarg) {
2721 machine_class = machine_parse(optarg);
2722 }
2723
2724 if (!machine_class) {
2725 error_report("No machine specified, and there is no default");
2726 error_printf("Use -machine help to list supported machines\n");
2727 exit(1);
2728 }
2729
2730 loc_pop(&loc);
2731 return machine_class;
2732 }
2733
2734 static int machine_set_property(void *opaque,
2735 const char *name, const char *value,
2736 Error **errp)
2737 {
2738 Object *obj = OBJECT(opaque);
2739 Error *local_err = NULL;
2740 char *p, *qom_name;
2741
2742 if (strcmp(name, "type") == 0) {
2743 return 0;
2744 }
2745
2746 qom_name = g_strdup(name);
2747 for (p = qom_name; *p; p++) {
2748 if (*p == '_') {
2749 *p = '-';
2750 }
2751 }
2752
2753 object_property_parse(obj, value, qom_name, &local_err);
2754 g_free(qom_name);
2755
2756 if (local_err) {
2757 error_propagate(errp, local_err);
2758 return -1;
2759 }
2760
2761 return 0;
2762 }
2763
2764
2765 /*
2766 * Initial object creation happens before all other
2767 * QEMU data types are created. The majority of objects
2768 * can be created at this point. The rng-egd object
2769 * cannot be created here, as it depends on the chardev
2770 * already existing.
2771 */
2772 static bool object_create_initial(const char *type, QemuOpts *opts)
2773 {
2774 ObjectClass *klass;
2775
2776 if (is_help_option(type)) {
2777 GSList *l, *list;
2778
2779 printf("List of user creatable objects:\n");
2780 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2781 for (l = list; l != NULL; l = l->next) {
2782 ObjectClass *oc = OBJECT_CLASS(l->data);
2783 printf(" %s\n", object_class_get_name(oc));
2784 }
2785 g_slist_free(list);
2786 exit(0);
2787 }
2788
2789 klass = object_class_by_name(type);
2790 if (klass && qemu_opt_has_help_opt(opts)) {
2791 ObjectPropertyIterator iter;
2792 ObjectProperty *prop;
2793 GPtrArray *array = g_ptr_array_new();
2794 int i;
2795
2796 object_class_property_iter_init(&iter, klass);
2797 while ((prop = object_property_iter_next(&iter))) {
2798 GString *str;
2799
2800 if (!prop->set) {
2801 continue;
2802 }
2803
2804 str = g_string_new(NULL);
2805 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2806 if (prop->description) {
2807 if (str->len < 24) {
2808 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2809 }
2810 g_string_append_printf(str, " - %s", prop->description);
2811 }
2812 g_ptr_array_add(array, g_string_free(str, false));
2813 }
2814 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2815 if (array->len > 0) {
2816 printf("%s options:\n", type);
2817 } else {
2818 printf("There are no options for %s.\n", type);
2819 }
2820 for (i = 0; i < array->len; i++) {
2821 printf("%s\n", (char *)array->pdata[i]);
2822 }
2823 g_ptr_array_set_free_func(array, g_free);
2824 g_ptr_array_free(array, true);
2825 exit(0);
2826 }
2827
2828 if (g_str_equal(type, "rng-egd") ||
2829 g_str_has_prefix(type, "pr-manager-")) {
2830 return false;
2831 }
2832
2833 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2834 if (g_str_equal(type, "cryptodev-vhost-user")) {
2835 return false;
2836 }
2837 #endif
2838
2839 /*
2840 * return false for concrete netfilters since
2841 * they depend on netdevs already existing
2842 */
2843 if (g_str_equal(type, "filter-buffer") ||
2844 g_str_equal(type, "filter-dump") ||
2845 g_str_equal(type, "filter-mirror") ||
2846 g_str_equal(type, "filter-redirector") ||
2847 g_str_equal(type, "colo-compare") ||
2848 g_str_equal(type, "filter-rewriter") ||
2849 g_str_equal(type, "filter-replay")) {
2850 return false;
2851 }
2852
2853 /* Memory allocation by backends needs to be done
2854 * after configure_accelerator() (due to the tcg_enabled()
2855 * checks at memory_region_init_*()).
2856 *
2857 * Also, allocation of large amounts of memory may delay
2858 * chardev initialization for too long, and trigger timeouts
2859 * on software that waits for a monitor socket to be created
2860 * (e.g. libvirt).
2861 */
2862 if (g_str_has_prefix(type, "memory-backend-")) {
2863 return false;
2864 }
2865
2866 return true;
2867 }
2868
2869
2870 /*
2871 * The remainder of object creation happens after the
2872 * creation of chardev, fsdev, net clients and device data types.
2873 */
2874 static bool object_create_delayed(const char *type, QemuOpts *opts)
2875 {
2876 return !object_create_initial(type, opts);
2877 }
2878
2879
2880 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2881 MachineClass *mc)
2882 {
2883 uint64_t sz;
2884 const char *mem_str;
2885 const ram_addr_t default_ram_size = mc->default_ram_size;
2886 QemuOpts *opts = qemu_find_opts_singleton("memory");
2887 Location loc;
2888
2889 loc_push_none(&loc);
2890 qemu_opts_loc_restore(opts);
2891
2892 sz = 0;
2893 mem_str = qemu_opt_get(opts, "size");
2894 if (mem_str) {
2895 if (!*mem_str) {
2896 error_report("missing 'size' option value");
2897 exit(EXIT_FAILURE);
2898 }
2899
2900 sz = qemu_opt_get_size(opts, "size", ram_size);
2901
2902 /* Fix up legacy suffix-less format */
2903 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2904 uint64_t overflow_check = sz;
2905
2906 sz *= MiB;
2907 if (sz / MiB != overflow_check) {
2908 error_report("too large 'size' option value");
2909 exit(EXIT_FAILURE);
2910 }
2911 }
2912 }
2913
2914 /* backward compatibility behaviour for case "-m 0" */
2915 if (sz == 0) {
2916 sz = default_ram_size;
2917 }
2918
2919 sz = QEMU_ALIGN_UP(sz, 8192);
2920 ram_size = sz;
2921 if (ram_size != sz) {
2922 error_report("ram size too large");
2923 exit(EXIT_FAILURE);
2924 }
2925
2926 /* store value for the future use */
2927 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2928 *maxram_size = ram_size;
2929
2930 if (qemu_opt_get(opts, "maxmem")) {
2931 uint64_t slots;
2932
2933 sz = qemu_opt_get_size(opts, "maxmem", 0);
2934 slots = qemu_opt_get_number(opts, "slots", 0);
2935 if (sz < ram_size) {
2936 error_report("invalid value of -m option maxmem: "
2937 "maximum memory size (0x%" PRIx64 ") must be at least "
2938 "the initial memory size (0x" RAM_ADDR_FMT ")",
2939 sz, ram_size);
2940 exit(EXIT_FAILURE);
2941 } else if (slots && sz == ram_size) {
2942 error_report("invalid value of -m option maxmem: "
2943 "memory slots were specified but maximum memory size "
2944 "(0x%" PRIx64 ") is equal to the initial memory size "
2945 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2946 exit(EXIT_FAILURE);
2947 }
2948
2949 *maxram_size = sz;
2950 *ram_slots = slots;
2951 } else if (qemu_opt_get(opts, "slots")) {
2952 error_report("invalid -m option value: missing 'maxmem' option");
2953 exit(EXIT_FAILURE);
2954 }
2955
2956 loc_pop(&loc);
2957 }
2958
2959 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2960 {
2961 GlobalProperty *g;
2962
2963 g = g_malloc0(sizeof(*g));
2964 g->driver = qemu_opt_get(opts, "driver");
2965 g->property = qemu_opt_get(opts, "property");
2966 g->value = qemu_opt_get(opts, "value");
2967 qdev_prop_register_global(g);
2968 return 0;
2969 }
2970
2971 static int qemu_read_default_config_file(void)
2972 {
2973 int ret;
2974
2975 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2976 if (ret < 0 && ret != -ENOENT) {
2977 return ret;
2978 }
2979
2980 return 0;
2981 }
2982
2983 static void user_register_global_props(void)
2984 {
2985 qemu_opts_foreach(qemu_find_opts("global"),
2986 global_init_func, NULL, NULL);
2987 }
2988
2989 /*
2990 * Note: we should see that these properties are actually having a
2991 * priority: accel < machine < user. This means e.g. when user
2992 * specifies something in "-global", it'll always be used with highest
2993 * priority than either machine/accelerator compat properties.
2994 */
2995 static void register_global_properties(MachineState *ms)
2996 {
2997 user_register_global_props();
2998 }
2999
3000 int main(int argc, char **argv, char **envp)
3001 {
3002 int i;
3003 int snapshot, linux_boot;
3004 const char *initrd_filename;
3005 const char *kernel_filename, *kernel_cmdline;
3006 const char *boot_order = NULL;
3007 const char *boot_once = NULL;
3008 DisplayState *ds;
3009 QemuOpts *opts, *machine_opts;
3010 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3011 QemuOptsList *olist;
3012 int optind;
3013 const char *optarg;
3014 const char *loadvm = NULL;
3015 MachineClass *machine_class;
3016 const char *cpu_model;
3017 const char *vga_model = NULL;
3018 const char *qtest_chrdev = NULL;
3019 const char *qtest_log = NULL;
3020 const char *incoming = NULL;
3021 bool userconfig = true;
3022 bool nographic = false;
3023 int display_remote = 0;
3024 const char *log_mask = NULL;
3025 const char *log_file = NULL;
3026 char *trace_file = NULL;
3027 ram_addr_t maxram_size;
3028 uint64_t ram_slots = 0;
3029 FILE *vmstate_dump_file = NULL;
3030 Error *main_loop_err = NULL;
3031 Error *err = NULL;
3032 bool list_data_dirs = false;
3033 char *dir, **dirs;
3034 typedef struct BlockdevOptions_queue {
3035 BlockdevOptions *bdo;
3036 Location loc;
3037 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3038 } BlockdevOptions_queue;
3039 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3040 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3041
3042 module_call_init(MODULE_INIT_TRACE);
3043
3044 qemu_init_cpu_list();
3045 qemu_init_cpu_loop();
3046
3047 qemu_mutex_lock_iothread();
3048
3049 atexit(qemu_run_exit_notifiers);
3050 error_set_progname(argv[0]);
3051 qemu_init_exec_dir(argv[0]);
3052
3053 module_call_init(MODULE_INIT_QOM);
3054
3055 qemu_add_opts(&qemu_drive_opts);
3056 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3057 qemu_add_drive_opts(&qemu_common_drive_opts);
3058 qemu_add_drive_opts(&qemu_drive_opts);
3059 qemu_add_drive_opts(&bdrv_runtime_opts);
3060 qemu_add_opts(&qemu_chardev_opts);
3061 qemu_add_opts(&qemu_device_opts);
3062 qemu_add_opts(&qemu_netdev_opts);
3063 qemu_add_opts(&qemu_nic_opts);
3064 qemu_add_opts(&qemu_net_opts);
3065 qemu_add_opts(&qemu_rtc_opts);
3066 qemu_add_opts(&qemu_global_opts);
3067 qemu_add_opts(&qemu_mon_opts);
3068 qemu_add_opts(&qemu_trace_opts);
3069 qemu_add_opts(&qemu_option_rom_opts);
3070 qemu_add_opts(&qemu_machine_opts);
3071 qemu_add_opts(&qemu_accel_opts);
3072 qemu_add_opts(&qemu_mem_opts);
3073 qemu_add_opts(&qemu_smp_opts);
3074 qemu_add_opts(&qemu_boot_opts);
3075 qemu_add_opts(&qemu_add_fd_opts);
3076 qemu_add_opts(&qemu_object_opts);
3077 qemu_add_opts(&qemu_tpmdev_opts);
3078 qemu_add_opts(&qemu_realtime_opts);
3079 qemu_add_opts(&qemu_overcommit_opts);
3080 qemu_add_opts(&qemu_msg_opts);
3081 qemu_add_opts(&qemu_name_opts);
3082 qemu_add_opts(&qemu_numa_opts);
3083 qemu_add_opts(&qemu_icount_opts);
3084 qemu_add_opts(&qemu_semihosting_config_opts);
3085 qemu_add_opts(&qemu_fw_cfg_opts);
3086 module_call_init(MODULE_INIT_OPTS);
3087
3088 runstate_init();
3089 postcopy_infrastructure_init();
3090 monitor_init_globals();
3091
3092 if (qcrypto_init(&err) < 0) {
3093 error_reportf_err(err, "cannot initialize crypto: ");
3094 exit(1);
3095 }
3096
3097 QLIST_INIT (&vm_change_state_head);
3098 os_setup_early_signal_handling();
3099
3100 cpu_model = NULL;
3101 snapshot = 0;
3102
3103 nb_nics = 0;
3104
3105 bdrv_init_with_whitelist();
3106
3107 autostart = 1;
3108
3109 /* first pass of option parsing */
3110 optind = 1;
3111 while (optind < argc) {
3112 if (argv[optind][0] != '-') {
3113 /* disk image */
3114 optind++;
3115 } else {
3116 const QEMUOption *popt;
3117
3118 popt = lookup_opt(argc, argv, &optarg, &optind);
3119 switch (popt->index) {
3120 case QEMU_OPTION_nouserconfig:
3121 userconfig = false;
3122 break;
3123 }
3124 }
3125 }
3126
3127 if (userconfig) {
3128 if (qemu_read_default_config_file() < 0) {
3129 exit(1);
3130 }
3131 }
3132
3133 /* second pass of option parsing */
3134 optind = 1;
3135 for(;;) {
3136 if (optind >= argc)
3137 break;
3138 if (argv[optind][0] != '-') {
3139 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3140 } else {
3141 const QEMUOption *popt;
3142
3143 popt = lookup_opt(argc, argv, &optarg, &optind);
3144 if (!(popt->arch_mask & arch_type)) {
3145 error_report("Option not supported for this target");
3146 exit(1);
3147 }
3148 switch(popt->index) {
3149 case QEMU_OPTION_cpu:
3150 /* hw initialization will check this */
3151 cpu_model = optarg;
3152 break;
3153 case QEMU_OPTION_hda:
3154 case QEMU_OPTION_hdb:
3155 case QEMU_OPTION_hdc:
3156 case QEMU_OPTION_hdd:
3157 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3158 HD_OPTS);
3159 break;
3160 case QEMU_OPTION_blockdev:
3161 {
3162 Visitor *v;
3163 BlockdevOptions_queue *bdo;
3164
3165 v = qobject_input_visitor_new_str(optarg, "driver",
3166 &error_fatal);
3167
3168 bdo = g_new(BlockdevOptions_queue, 1);
3169 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3170 &error_fatal);
3171 visit_free(v);
3172 loc_save(&bdo->loc);
3173 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3174 break;
3175 }
3176 case QEMU_OPTION_drive:
3177 if (drive_def(optarg) == NULL) {
3178 exit(1);
3179 }
3180 break;
3181 case QEMU_OPTION_set:
3182 if (qemu_set_option(optarg) != 0)
3183 exit(1);
3184 break;
3185 case QEMU_OPTION_global:
3186 if (qemu_global_option(optarg) != 0)
3187 exit(1);
3188 break;
3189 case QEMU_OPTION_mtdblock:
3190 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3191 break;
3192 case QEMU_OPTION_sd:
3193 drive_add(IF_SD, -1, optarg, SD_OPTS);
3194 break;
3195 case QEMU_OPTION_pflash:
3196 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3197 break;
3198 case QEMU_OPTION_snapshot:
3199 snapshot = 1;
3200 break;
3201 case QEMU_OPTION_numa:
3202 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3203 optarg, true);
3204 if (!opts) {
3205 exit(1);
3206 }
3207 break;
3208 case QEMU_OPTION_display:
3209 parse_display(optarg);
3210 break;
3211 case QEMU_OPTION_nographic:
3212 olist = qemu_find_opts("machine");
3213 qemu_opts_parse_noisily(olist, "graphics=off", false);
3214 nographic = true;
3215 dpy.type = DISPLAY_TYPE_NONE;
3216 break;
3217 case QEMU_OPTION_curses:
3218 #ifdef CONFIG_CURSES
3219 dpy.type = DISPLAY_TYPE_CURSES;
3220 #else
3221 error_report("curses support is disabled");
3222 exit(1);
3223 #endif
3224 break;
3225 case QEMU_OPTION_portrait:
3226 graphic_rotate = 90;
3227 break;
3228 case QEMU_OPTION_rotate:
3229 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3230 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3231 graphic_rotate != 180 && graphic_rotate != 270) {
3232 error_report("only 90, 180, 270 deg rotation is available");
3233 exit(1);
3234 }
3235 break;
3236 case QEMU_OPTION_kernel:
3237 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3238 &error_abort);
3239 break;
3240 case QEMU_OPTION_initrd:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3242 &error_abort);
3243 break;
3244 case QEMU_OPTION_append:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3246 &error_abort);
3247 break;
3248 case QEMU_OPTION_dtb:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3250 &error_abort);
3251 break;
3252 case QEMU_OPTION_cdrom:
3253 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3254 break;
3255 case QEMU_OPTION_boot:
3256 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3257 optarg, true);
3258 if (!opts) {
3259 exit(1);
3260 }
3261 break;
3262 case QEMU_OPTION_fda:
3263 case QEMU_OPTION_fdb:
3264 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3265 optarg, FD_OPTS);
3266 break;
3267 case QEMU_OPTION_no_fd_bootchk:
3268 fd_bootchk = 0;
3269 break;
3270 case QEMU_OPTION_netdev:
3271 default_net = 0;
3272 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3273 exit(1);
3274 }
3275 break;
3276 case QEMU_OPTION_nic:
3277 default_net = 0;
3278 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3279 exit(1);
3280 }
3281 break;
3282 case QEMU_OPTION_net:
3283 default_net = 0;
3284 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3285 exit(1);
3286 }
3287 break;
3288 #ifdef CONFIG_LIBISCSI
3289 case QEMU_OPTION_iscsi:
3290 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3291 optarg, false);
3292 if (!opts) {
3293 exit(1);
3294 }
3295 break;
3296 #endif
3297 case QEMU_OPTION_bt:
3298 warn_report("The bluetooth subsystem is deprecated and will "
3299 "be removed soon. If the bluetooth subsystem is "
3300 "still useful for you, please send a mail to "
3301 "qemu-devel@nongnu.org with your usecase.");
3302 add_device_config(DEV_BT, optarg);
3303 break;
3304 case QEMU_OPTION_audio_help:
3305 AUD_help ();
3306 exit (0);
3307 break;
3308 case QEMU_OPTION_soundhw:
3309 select_soundhw (optarg);
3310 break;
3311 case QEMU_OPTION_h:
3312 help(0);
3313 break;
3314 case QEMU_OPTION_version:
3315 version();
3316 exit(0);
3317 break;
3318 case QEMU_OPTION_m:
3319 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3320 optarg, true);
3321 if (!opts) {
3322 exit(EXIT_FAILURE);
3323 }
3324 break;
3325 #ifdef CONFIG_TPM
3326 case QEMU_OPTION_tpmdev:
3327 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3328 exit(1);
3329 }
3330 break;
3331 #endif
3332 case QEMU_OPTION_mempath:
3333 mem_path = optarg;
3334 break;
3335 case QEMU_OPTION_mem_prealloc:
3336 mem_prealloc = 1;
3337 break;
3338 case QEMU_OPTION_d:
3339 log_mask = optarg;
3340 break;
3341 case QEMU_OPTION_D:
3342 log_file = optarg;
3343 break;
3344 case QEMU_OPTION_DFILTER:
3345 qemu_set_dfilter_ranges(optarg, &error_fatal);
3346 break;
3347 case QEMU_OPTION_s:
3348 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3349 break;
3350 case QEMU_OPTION_gdb:
3351 add_device_config(DEV_GDB, optarg);
3352 break;
3353 case QEMU_OPTION_L:
3354 if (is_help_option(optarg)) {
3355 list_data_dirs = true;
3356 } else {
3357 qemu_add_data_dir(optarg);
3358 }
3359 break;
3360 case QEMU_OPTION_bios:
3361 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3362 &error_abort);
3363 break;
3364 case QEMU_OPTION_singlestep:
3365 singlestep = 1;
3366 break;
3367 case QEMU_OPTION_S:
3368 autostart = 0;
3369 break;
3370 case QEMU_OPTION_k:
3371 keyboard_layout = optarg;
3372 break;
3373 case QEMU_OPTION_vga:
3374 vga_model = optarg;
3375 default_vga = 0;
3376 break;
3377 case QEMU_OPTION_g:
3378 {
3379 const char *p;
3380 int w, h, depth;
3381 p = optarg;
3382 w = strtol(p, (char **)&p, 10);
3383 if (w <= 0) {
3384 graphic_error:
3385 error_report("invalid resolution or depth");
3386 exit(1);
3387 }
3388 if (*p != 'x')
3389 goto graphic_error;
3390 p++;
3391 h = strtol(p, (char **)&p, 10);
3392 if (h <= 0)
3393 goto graphic_error;
3394 if (*p == 'x') {
3395 p++;
3396 depth = strtol(p, (char **)&p, 10);
3397 if (depth != 8 && depth != 15 && depth != 16 &&
3398 depth != 24 && depth != 32)
3399 goto graphic_error;
3400 } else if (*p == '\0') {
3401 depth = graphic_depth;
3402 } else {
3403 goto graphic_error;
3404 }
3405
3406 graphic_width = w;
3407 graphic_height = h;
3408 graphic_depth = depth;
3409 }
3410 break;
3411 case QEMU_OPTION_echr:
3412 {
3413 char *r;
3414 term_escape_char = strtol(optarg, &r, 0);
3415 if (r == optarg)
3416 printf("Bad argument to echr\n");
3417 break;
3418 }
3419 case QEMU_OPTION_monitor:
3420 default_monitor = 0;
3421 if (strncmp(optarg, "none", 4)) {
3422 monitor_parse(optarg, "readline", false);
3423 }
3424 break;
3425 case QEMU_OPTION_qmp:
3426 monitor_parse(optarg, "control", false);
3427 default_monitor = 0;
3428 break;
3429 case QEMU_OPTION_qmp_pretty:
3430 monitor_parse(optarg, "control", true);
3431 default_monitor = 0;
3432 break;
3433 case QEMU_OPTION_mon:
3434 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3435 true);
3436 if (!opts) {
3437 exit(1);
3438 }
3439 default_monitor = 0;
3440 break;
3441 case QEMU_OPTION_chardev:
3442 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3443 optarg, true);
3444 if (!opts) {
3445 exit(1);
3446 }
3447 break;
3448 case QEMU_OPTION_fsdev:
3449 olist = qemu_find_opts("fsdev");
3450 if (!olist) {
3451 error_report("fsdev support is disabled");
3452 exit(1);
3453 }
3454 opts = qemu_opts_parse_noisily(olist, optarg, true);
3455 if (!opts) {
3456 exit(1);
3457 }
3458 break;
3459 case QEMU_OPTION_virtfs: {
3460 QemuOpts *fsdev;
3461 QemuOpts *device;
3462 const char *writeout, *sock_fd, *socket, *path, *security_model;
3463
3464 olist = qemu_find_opts("virtfs");
3465 if (!olist) {
3466 error_report("virtfs support is disabled");
3467 exit(1);
3468 }
3469 opts = qemu_opts_parse_noisily(olist, optarg, true);
3470 if (!opts) {
3471 exit(1);
3472 }
3473
3474 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3475 qemu_opt_get(opts, "mount_tag") == NULL) {
3476 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3477 exit(1);
3478 }
3479 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3480 qemu_opts_id(opts) ?:
3481 qemu_opt_get(opts, "mount_tag"),
3482 1, NULL);
3483 if (!fsdev) {
3484 error_report("duplicate or invalid fsdev id: %s",
3485 qemu_opt_get(opts, "mount_tag"));
3486 exit(1);
3487 }
3488
3489 writeout = qemu_opt_get(opts, "writeout");
3490 if (writeout) {
3491 #ifdef CONFIG_SYNC_FILE_RANGE
3492 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3493 #else
3494 error_report("writeout=immediate not supported "
3495 "on this platform");
3496 exit(1);
3497 #endif
3498 }
3499 qemu_opt_set(fsdev, "fsdriver",
3500 qemu_opt_get(opts, "fsdriver"), &error_abort);
3501 path = qemu_opt_get(opts, "path");
3502 if (path) {
3503 qemu_opt_set(fsdev, "path", path, &error_abort);
3504 }
3505 security_model = qemu_opt_get(opts, "security_model");
3506 if (security_model) {
3507 qemu_opt_set(fsdev, "security_model", security_model,
3508 &error_abort);
3509 }
3510 socket = qemu_opt_get(opts, "socket");
3511 if (socket) {
3512 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3513 }
3514 sock_fd = qemu_opt_get(opts, "sock_fd");
3515 if (sock_fd) {
3516 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3517 }
3518
3519 qemu_opt_set_bool(fsdev, "readonly",
3520 qemu_opt_get_bool(opts, "readonly", 0),
3521 &error_abort);
3522 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3523 &error_abort);
3524 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3525 qemu_opt_set(device, "fsdev",
3526 qemu_opts_id(fsdev), &error_abort);
3527 qemu_opt_set(device, "mount_tag",
3528 qemu_opt_get(opts, "mount_tag"), &error_abort);
3529 break;
3530 }
3531 case QEMU_OPTION_virtfs_synth: {
3532 QemuOpts *fsdev;
3533 QemuOpts *device;
3534
3535 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3536 1, NULL);
3537 if (!fsdev) {
3538 error_report("duplicate option: %s", "virtfs_synth");
3539 exit(1);
3540 }
3541 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3542
3543 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3544 &error_abort);
3545 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3546 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3547 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3548 break;
3549 }
3550 case QEMU_OPTION_serial:
3551 add_device_config(DEV_SERIAL, optarg);
3552 default_serial = 0;
3553 if (strncmp(optarg, "mon:", 4) == 0) {
3554 default_monitor = 0;
3555 }
3556 break;
3557 case QEMU_OPTION_watchdog:
3558 if (watchdog) {
3559 error_report("only one watchdog option may be given");
3560 return 1;
3561 }
3562 watchdog = optarg;
3563 break;
3564 case QEMU_OPTION_watchdog_action:
3565 if (select_watchdog_action(optarg) == -1) {
3566 error_report("unknown -watchdog-action parameter");
3567 exit(1);
3568 }
3569 break;
3570 case QEMU_OPTION_virtiocon:
3571 warn_report("This option is deprecated, "
3572 "use '-device virtconsole' instead");
3573 add_device_config(DEV_VIRTCON, optarg);
3574 default_virtcon = 0;
3575 if (strncmp(optarg, "mon:", 4) == 0) {
3576 default_monitor = 0;
3577 }
3578 break;
3579 case QEMU_OPTION_parallel:
3580 add_device_config(DEV_PARALLEL, optarg);
3581 default_parallel = 0;
3582 if (strncmp(optarg, "mon:", 4) == 0) {
3583 default_monitor = 0;
3584 }
3585 break;
3586 case QEMU_OPTION_debugcon:
3587 add_device_config(DEV_DEBUGCON, optarg);
3588 break;
3589 case QEMU_OPTION_loadvm:
3590 loadvm = optarg;
3591 break;
3592 case QEMU_OPTION_full_screen:
3593 dpy.has_full_screen = true;
3594 dpy.full_screen = true;
3595 break;
3596 case QEMU_OPTION_no_frame:
3597 g_printerr("The -no-frame switch is deprecated, and will be\n"
3598 "removed in a future release.\n");
3599 no_frame = 1;
3600 break;
3601 case QEMU_OPTION_alt_grab:
3602 alt_grab = 1;
3603 break;
3604 case QEMU_OPTION_ctrl_grab:
3605 ctrl_grab = 1;
3606 break;
3607 case QEMU_OPTION_no_quit:
3608 dpy.has_window_close = true;
3609 dpy.window_close = false;
3610 break;
3611 case QEMU_OPTION_sdl:
3612 #ifdef CONFIG_SDL
3613 dpy.type = DISPLAY_TYPE_SDL;
3614 break;
3615 #else
3616 error_report("SDL support is disabled");
3617 exit(1);
3618 #endif
3619 case QEMU_OPTION_pidfile:
3620 pid_file = optarg;
3621 break;
3622 case QEMU_OPTION_win2k_hack:
3623 win2k_install_hack = 1;
3624 break;
3625 case QEMU_OPTION_acpitable:
3626 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3627 optarg, true);
3628 if (!opts) {
3629 exit(1);
3630 }
3631 acpi_table_add(opts, &error_fatal);
3632 break;
3633 case QEMU_OPTION_smbios:
3634 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3635 optarg, false);
3636 if (!opts) {
3637 exit(1);
3638 }
3639 smbios_entry_add(opts, &error_fatal);
3640 break;
3641 case QEMU_OPTION_fwcfg:
3642 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3643 optarg, true);
3644 if (opts == NULL) {
3645 exit(1);
3646 }
3647 break;
3648 case QEMU_OPTION_preconfig:
3649 preconfig_exit_requested = false;
3650 break;
3651 case QEMU_OPTION_enable_kvm:
3652 olist = qemu_find_opts("machine");
3653 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3654 break;
3655 case QEMU_OPTION_enable_hax:
3656 warn_report("Option is deprecated, use '-accel hax' instead");
3657 olist = qemu_find_opts("machine");
3658 qemu_opts_parse_noisily(olist, "accel=hax", false);
3659 break;
3660 case QEMU_OPTION_M:
3661 case QEMU_OPTION_machine:
3662 olist = qemu_find_opts("machine");
3663 opts = qemu_opts_parse_noisily(olist, optarg, true);
3664 if (!opts) {
3665 exit(1);
3666 }
3667 break;
3668 case QEMU_OPTION_no_kvm:
3669 olist = qemu_find_opts("machine");
3670 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3671 break;
3672 case QEMU_OPTION_accel:
3673 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3674 optarg, true);
3675 optarg = qemu_opt_get(accel_opts, "accel");
3676 if (!optarg || is_help_option(optarg)) {
3677 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3678 exit(0);
3679 }
3680 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3681 false, &error_abort);
3682 qemu_opt_set(opts, "accel", optarg, &error_abort);
3683 break;
3684 case QEMU_OPTION_usb:
3685 olist = qemu_find_opts("machine");
3686 qemu_opts_parse_noisily(olist, "usb=on", false);
3687 break;
3688 case QEMU_OPTION_usbdevice:
3689 error_report("'-usbdevice' is deprecated, please use "
3690 "'-device usb-...' instead");
3691 olist = qemu_find_opts("machine");
3692 qemu_opts_parse_noisily(olist, "usb=on", false);
3693 add_device_config(DEV_USB, optarg);
3694 break;
3695 case QEMU_OPTION_device:
3696 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3697 optarg, true)) {
3698 exit(1);
3699 }
3700 break;
3701 case QEMU_OPTION_smp:
3702 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3703 optarg, true)) {
3704 exit(1);
3705 }
3706 break;
3707 case QEMU_OPTION_vnc:
3708 vnc_parse(optarg, &error_fatal);
3709 break;
3710 case QEMU_OPTION_no_acpi:
3711 acpi_enabled = 0;
3712 break;
3713 case QEMU_OPTION_no_hpet:
3714 no_hpet = 1;
3715 break;
3716 case QEMU_OPTION_no_reboot:
3717 no_reboot = 1;
3718 break;
3719 case QEMU_OPTION_no_shutdown:
3720 no_shutdown = 1;
3721 break;
3722 case QEMU_OPTION_show_cursor:
3723 cursor_hide = 0;
3724 break;
3725 case QEMU_OPTION_uuid:
3726 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3727 error_report("failed to parse UUID string: wrong format");
3728 exit(1);
3729 }
3730 qemu_uuid_set = true;
3731 break;
3732 case QEMU_OPTION_option_rom:
3733 if (nb_option_roms >= MAX_OPTION_ROMS) {
3734 error_report("too many option ROMs");
3735 exit(1);
3736 }
3737 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3738 optarg, true);
3739 if (!opts) {
3740 exit(1);
3741 }
3742 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3743 option_rom[nb_option_roms].bootindex =
3744 qemu_opt_get_number(opts, "bootindex", -1);
3745 if (!option_rom[nb_option_roms].name) {
3746 error_report("Option ROM file is not specified");
3747 exit(1);
3748 }
3749 nb_option_roms++;
3750 break;
3751 case QEMU_OPTION_semihosting:
3752 semihosting.enabled = true;
3753 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3754 break;
3755 case QEMU_OPTION_semihosting_config:
3756 semihosting.enabled = true;
3757 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3758 optarg, false);
3759 if (opts != NULL) {
3760 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3761 true);
3762 const char *target = qemu_opt_get(opts, "target");
3763 if (target != NULL) {
3764 if (strcmp("native", target) == 0) {
3765 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3766 } else if (strcmp("gdb", target) == 0) {
3767 semihosting.target = SEMIHOSTING_TARGET_GDB;
3768 } else if (strcmp("auto", target) == 0) {
3769 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3770 } else {
3771 error_report("unsupported semihosting-config %s",
3772 optarg);
3773 exit(1);
3774 }
3775 } else {
3776 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3777 }
3778 /* Set semihosting argument count and vector */
3779 qemu_opt_foreach(opts, add_semihosting_arg,
3780 &semihosting, NULL);
3781 } else {
3782 error_report("unsupported semihosting-config %s", optarg);
3783 exit(1);
3784 }
3785 break;
3786 case QEMU_OPTION_name:
3787 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3788 optarg, true);
3789 if (!opts) {
3790 exit(1);
3791 }
3792 break;
3793 case QEMU_OPTION_prom_env:
3794 if (nb_prom_envs >= MAX_PROM_ENVS) {
3795 error_report("too many prom variables");
3796 exit(1);
3797 }
3798 prom_envs[nb_prom_envs] = optarg;
3799 nb_prom_envs++;
3800 break;
3801 case QEMU_OPTION_old_param:
3802 old_param = 1;
3803 break;
3804 case QEMU_OPTION_clock:
3805 /* Clock options no longer exist. Keep this option for
3806 * backward compatibility.
3807 */
3808 warn_report("This option is ignored and will be removed soon");
3809 break;
3810 case QEMU_OPTION_rtc:
3811 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3812 false);
3813 if (!opts) {
3814 exit(1);
3815 }
3816 break;
3817 case QEMU_OPTION_tb_size:
3818 #ifndef CONFIG_TCG
3819 error_report("TCG is disabled");
3820 exit(1);
3821 #endif
3822 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3823 error_report("Invalid argument to -tb-size");
3824 exit(1);
3825 }
3826 break;
3827 case QEMU_OPTION_icount:
3828 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3829 optarg, true);
3830 if (!icount_opts) {
3831 exit(1);
3832 }
3833 break;
3834 case QEMU_OPTION_incoming:
3835 if (!incoming) {
3836 runstate_set(RUN_STATE_INMIGRATE);
3837 }
3838 incoming = optarg;
3839 break;
3840 case QEMU_OPTION_only_migratable:
3841 /*
3842 * TODO: we can remove this option one day, and we
3843 * should all use:
3844 *
3845 * "-global migration.only-migratable=true"
3846 */
3847 qemu_global_option("migration.only-migratable=true");
3848 break;
3849 case QEMU_OPTION_nodefaults:
3850 has_defaults = 0;
3851 break;
3852 case QEMU_OPTION_xen_domid:
3853 if (!(xen_available())) {
3854 error_report("Option not supported for this target");
3855 exit(1);
3856 }
3857 xen_domid = atoi(optarg);
3858 break;
3859 case QEMU_OPTION_xen_create:
3860 if (!(xen_available())) {
3861 error_report("Option not supported for this target");
3862 exit(1);
3863 }
3864 xen_mode = XEN_CREATE;
3865 break;
3866 case QEMU_OPTION_xen_attach:
3867 if (!(xen_available())) {
3868 error_report("Option not supported for this target");
3869 exit(1);
3870 }
3871 xen_mode = XEN_ATTACH;
3872 break;
3873 case QEMU_OPTION_xen_domid_restrict:
3874 if (!(xen_available())) {
3875 error_report("Option not supported for this target");
3876 exit(1);
3877 }
3878 xen_domid_restrict = true;
3879 break;
3880 case QEMU_OPTION_trace:
3881 g_free(trace_file);
3882 trace_file = trace_opt_parse(optarg);
3883 break;
3884 case QEMU_OPTION_readconfig:
3885 {
3886 int ret = qemu_read_config_file(optarg);
3887 if (ret < 0) {
3888 error_report("read config %s: %s", optarg,
3889 strerror(-ret));
3890 exit(1);
3891 }
3892 break;
3893 }
3894 case QEMU_OPTION_spice:
3895 olist = qemu_find_opts("spice");
3896 if (!olist) {
3897 error_report("spice support is disabled");
3898 exit(1);
3899 }
3900 opts = qemu_opts_parse_noisily(olist, optarg, false);
3901 if (!opts) {
3902 exit(1);
3903 }
3904 display_remote++;
3905 break;
3906 case QEMU_OPTION_writeconfig:
3907 {
3908 FILE *fp;
3909 if (strcmp(optarg, "-") == 0) {
3910 fp = stdout;
3911 } else {
3912 fp = fopen(optarg, "w");
3913 if (fp == NULL) {
3914 error_report("open %s: %s", optarg,
3915 strerror(errno));
3916 exit(1);
3917 }
3918 }
3919 qemu_config_write(fp);
3920 if (fp != stdout) {
3921 fclose(fp);
3922 }
3923 break;
3924 }
3925 case QEMU_OPTION_qtest:
3926 qtest_chrdev = optarg;
3927 break;
3928 case QEMU_OPTION_qtest_log:
3929 qtest_log = optarg;
3930 break;
3931 case QEMU_OPTION_sandbox:
3932 #ifdef CONFIG_SECCOMP
3933 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3934 optarg, true);
3935 if (!opts) {
3936 exit(1);
3937 }
3938 #else
3939 error_report("-sandbox support is not enabled "
3940 "in this QEMU binary");
3941 exit(1);
3942 #endif
3943 break;
3944 case QEMU_OPTION_add_fd:
3945 #ifndef _WIN32
3946 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3947 optarg, false);
3948 if (!opts) {
3949 exit(1);
3950 }
3951 #else
3952 error_report("File descriptor passing is disabled on this "
3953 "platform");
3954 exit(1);
3955 #endif
3956 break;
3957 case QEMU_OPTION_object:
3958 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3959 optarg, true);
3960 if (!opts) {
3961 exit(1);
3962 }
3963 break;
3964 case QEMU_OPTION_realtime:
3965 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3966 optarg, false);
3967 if (!opts) {
3968 exit(1);
3969 }
3970 /* Don't override the -overcommit option if set */
3971 enable_mlock = enable_mlock ||
3972 qemu_opt_get_bool(opts, "mlock", true);
3973 break;
3974 case QEMU_OPTION_overcommit:
3975 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3976 optarg, false);
3977 if (!opts) {
3978 exit(1);
3979 }
3980 /* Don't override the -realtime option if set */
3981 enable_mlock = enable_mlock ||
3982 qemu_opt_get_bool(opts, "mem-lock", false);
3983 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3984 break;
3985 case QEMU_OPTION_msg:
3986 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3987 false);
3988 if (!opts) {
3989 exit(1);
3990 }
3991 configure_msg(opts);
3992 break;
3993 case QEMU_OPTION_dump_vmstate:
3994 if (vmstate_dump_file) {
3995 error_report("only one '-dump-vmstate' "
3996 "option may be given");
3997 exit(1);
3998 }
3999 vmstate_dump_file = fopen(optarg, "w");
4000 if (vmstate_dump_file == NULL) {
4001 error_report("open %s: %s", optarg, strerror(errno));
4002 exit(1);
4003 }
4004 break;
4005 case QEMU_OPTION_enable_sync_profile:
4006 qsp_enable();
4007 break;
4008 case QEMU_OPTION_nouserconfig:
4009 /* Nothing to be parsed here. Especially, do not error out below. */
4010 break;
4011 default:
4012 if (os_parse_cmd_args(popt->index, optarg)) {
4013 error_report("Option not supported in this build");
4014 exit(1);
4015 }
4016 }
4017 }
4018 }
4019 /*
4020 * Clear error location left behind by the loop.
4021 * Best done right after the loop. Do not insert code here!
4022 */
4023 loc_set_none();
4024
4025 replay_configure(icount_opts);
4026
4027 if (incoming && !preconfig_exit_requested) {
4028 error_report("'preconfig' and 'incoming' options are "
4029 "mutually exclusive");
4030 exit(EXIT_FAILURE);
4031 }
4032
4033 configure_rtc(qemu_find_opts_singleton("rtc"));
4034
4035 machine_class = select_machine();
4036
4037 set_memory_options(&ram_slots, &maxram_size, machine_class);
4038
4039 os_daemonize();
4040 rcu_disable_atfork();
4041
4042 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4043 error_reportf_err(err, "cannot create PID file: ");
4044 exit(1);
4045 }
4046
4047 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4048 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4049
4050 if (qemu_init_main_loop(&main_loop_err)) {
4051 error_report_err(main_loop_err);
4052 exit(1);
4053 }
4054
4055 #ifdef CONFIG_SECCOMP
4056 olist = qemu_find_opts_err("sandbox", NULL);
4057 if (olist) {
4058 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4059 }
4060 #endif
4061
4062 qemu_opts_foreach(qemu_find_opts("name"),
4063 parse_name, NULL, &error_fatal);
4064
4065 #ifndef _WIN32
4066 qemu_opts_foreach(qemu_find_opts("add-fd"),
4067 parse_add_fd, NULL, &error_fatal);
4068
4069 qemu_opts_foreach(qemu_find_opts("add-fd"),
4070 cleanup_add_fd, NULL, &error_fatal);
4071 #endif
4072
4073 current_machine = MACHINE(object_new(object_class_get_name(
4074 OBJECT_CLASS(machine_class))));
4075 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4076 exit(0);
4077 }
4078 object_property_add_child(object_get_root(), "machine",
4079 OBJECT(current_machine), &error_abort);
4080
4081 if (machine_class->minimum_page_bits) {
4082 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4083 /* This would be a board error: specifying a minimum smaller than
4084 * a target's compile-time fixed setting.
4085 */
4086 g_assert_not_reached();
4087 }
4088 }
4089
4090 cpu_exec_init_all();
4091
4092 if (machine_class->hw_version) {
4093 qemu_set_hw_version(machine_class->hw_version);
4094 }
4095
4096 if (cpu_model && is_help_option(cpu_model)) {
4097 list_cpus(stdout, &fprintf, cpu_model);
4098 exit(0);
4099 }
4100
4101 if (!trace_init_backends()) {
4102 exit(1);
4103 }
4104 trace_init_file(trace_file);
4105
4106 /* Open the logfile at this point and set the log mask if necessary.
4107 */
4108 if (log_file) {
4109 qemu_set_log_filename(log_file, &error_fatal);
4110 }
4111
4112 if (log_mask) {
4113 int mask;
4114 mask = qemu_str_to_log_mask(log_mask);
4115 if (!mask) {
4116 qemu_print_log_usage(stdout);
4117 exit(1);
4118 }
4119 qemu_set_log(mask);
4120 } else {
4121 qemu_set_log(0);
4122 }
4123
4124 /* add configured firmware directories */
4125 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4126 for (i = 0; dirs[i] != NULL; i++) {
4127 qemu_add_data_dir(dirs[i]);
4128 }
4129 g_strfreev(dirs);
4130
4131 /* try to find datadir relative to the executable path */
4132 dir = os_find_datadir();
4133 qemu_add_data_dir(dir);
4134 g_free(dir);
4135
4136 /* add the datadir specified when building */
4137 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4138
4139 /* -L help lists the data directories and exits. */
4140 if (list_data_dirs) {
4141 for (i = 0; i < data_dir_idx; i++) {
4142 printf("%s\n", data_dir[i]);
4143 }
4144 exit(0);
4145 }
4146
4147 /* machine_class: default to UP */
4148 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4149 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4150 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4151
4152 /* default to machine_class->default_cpus */
4153 smp_cpus = machine_class->default_cpus;
4154 max_cpus = machine_class->default_cpus;
4155
4156 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4157
4158 /* sanity-check smp_cpus and max_cpus against machine_class */
4159 if (smp_cpus < machine_class->min_cpus) {
4160 error_report("Invalid SMP CPUs %d. The min CPUs "
4161 "supported by machine '%s' is %d", smp_cpus,
4162 machine_class->name, machine_class->min_cpus);
4163 exit(1);
4164 }
4165 if (max_cpus > machine_class->max_cpus) {
4166 error_report("Invalid SMP CPUs %d. The max CPUs "
4167 "supported by machine '%s' is %d", max_cpus,
4168 machine_class->name, machine_class->max_cpus);
4169 exit(1);
4170 }
4171
4172 /*
4173 * Get the default machine options from the machine if it is not already
4174 * specified either by the configuration file or by the command line.
4175 */
4176 if (machine_class->default_machine_opts) {
4177 qemu_opts_set_defaults(qemu_find_opts("machine"),
4178 machine_class->default_machine_opts, 0);
4179 }
4180
4181 qemu_opts_foreach(qemu_find_opts("device"),
4182 default_driver_check, NULL, NULL);
4183 qemu_opts_foreach(qemu_find_opts("global"),
4184 default_driver_check, NULL, NULL);
4185
4186 if (!vga_model && !default_vga) {
4187 vga_interface_type = VGA_DEVICE;
4188 }
4189 if (!has_defaults || machine_class->no_serial) {
4190 default_serial = 0;
4191 }
4192 if (!has_defaults || machine_class->no_parallel) {
4193 default_parallel = 0;
4194 }
4195 if (!has_defaults || !machine_class->use_virtcon) {
4196 default_virtcon = 0;
4197 }
4198 if (!has_defaults || machine_class->no_floppy) {
4199 default_floppy = 0;
4200 }
4201 if (!has_defaults || machine_class->no_cdrom) {
4202 default_cdrom = 0;
4203 }
4204 if (!has_defaults || machine_class->no_sdcard) {
4205 default_sdcard = 0;
4206 }
4207 if (!has_defaults) {
4208 default_monitor = 0;
4209 default_net = 0;
4210 default_vga = 0;
4211 }
4212
4213 if (is_daemonized()) {
4214 if (!preconfig_exit_requested) {
4215 error_report("'preconfig' and 'daemonize' options are "
4216 "mutually exclusive");
4217 exit(EXIT_FAILURE);
4218 }
4219
4220 /* According to documentation and historically, -nographic redirects
4221 * serial port, parallel port and monitor to stdio, which does not work
4222 * with -daemonize. We can redirect these to null instead, but since
4223 * -nographic is legacy, let's just error out.
4224 * We disallow -nographic only if all other ports are not redirected
4225 * explicitly, to not break existing legacy setups which uses
4226 * -nographic _and_ redirects all ports explicitly - this is valid
4227 * usage, -nographic is just a no-op in this case.
4228 */
4229 if (nographic
4230 && (default_parallel || default_serial
4231 || default_monitor || default_virtcon)) {
4232 error_report("-nographic cannot be used with -daemonize");
4233 exit(1);
4234 }
4235 #ifdef CONFIG_CURSES
4236 if (dpy.type == DISPLAY_TYPE_CURSES) {
4237 error_report("curses display cannot be used with -daemonize");
4238 exit(1);
4239 }
4240 #endif
4241 }
4242
4243 if (nographic) {
4244 if (default_parallel)
4245 add_device_config(DEV_PARALLEL, "null");
4246 if (default_serial && default_monitor) {
4247 add_device_config(DEV_SERIAL, "mon:stdio");
4248 } else if (default_virtcon && default_monitor) {
4249 add_device_config(DEV_VIRTCON, "mon:stdio");
4250 } else {
4251 if (default_serial)
4252 add_device_config(DEV_SERIAL, "stdio");
4253 if (default_virtcon)
4254 add_device_config(DEV_VIRTCON, "stdio");
4255 if (default_monitor)
4256 monitor_parse("stdio", "readline", false);
4257 }
4258 } else {
4259 if (default_serial)
4260 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4261 if (default_parallel)
4262 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4263 if (default_monitor)
4264 monitor_parse("vc:80Cx24C", "readline", false);
4265 if (default_virtcon)
4266 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4267 }
4268
4269 #if defined(CONFIG_VNC)
4270 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4271 display_remote++;
4272 }
4273 #endif
4274 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4275 if (!qemu_display_find_default(&dpy)) {
4276 dpy.type = DISPLAY_TYPE_NONE;
4277 #if defined(CONFIG_VNC)
4278 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4279 #endif
4280 }
4281 }
4282 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4283 dpy.type = DISPLAY_TYPE_NONE;
4284 }
4285
4286 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4287 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4288 "for SDL, ignoring option");
4289 }
4290 if (dpy.has_window_close &&
4291 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4292 error_report("-no-quit is only valid for GTK and SDL, "
4293 "ignoring option");
4294 }
4295
4296 qemu_display_early_init(&dpy);
4297 qemu_console_early_init();
4298
4299 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4300 #if defined(CONFIG_OPENGL)
4301 error_report("OpenGL is not supported by the display");
4302 #else
4303 error_report("OpenGL support is disabled");
4304 #endif
4305 exit(1);
4306 }
4307
4308 page_size_init();
4309 socket_init();
4310
4311 qemu_opts_foreach(qemu_find_opts("object"),
4312 user_creatable_add_opts_foreach,
4313 object_create_initial, &error_fatal);
4314
4315 qemu_opts_foreach(qemu_find_opts("chardev"),
4316 chardev_init_func, NULL, &error_fatal);
4317
4318 #ifdef CONFIG_VIRTFS
4319 qemu_opts_foreach(qemu_find_opts("fsdev"),
4320 fsdev_init_func, NULL, &error_fatal);
4321 #endif
4322
4323 if (qemu_opts_foreach(qemu_find_opts("device"),
4324 device_help_func, NULL, NULL)) {
4325 exit(0);
4326 }
4327
4328 machine_opts = qemu_get_machine_opts();
4329 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4330 &error_fatal);
4331
4332 configure_accelerator(current_machine, argv[0]);
4333
4334 if (!qtest_enabled() && machine_class->deprecation_reason) {
4335 error_report("Machine type '%s' is deprecated: %s",
4336 machine_class->name, machine_class->deprecation_reason);
4337 }
4338
4339 /*
4340 * Register all the global properties, including accel properties,
4341 * machine properties, and user-specified ones.
4342 */
4343 register_global_properties(current_machine);
4344
4345 /*
4346 * Migration object can only be created after global properties
4347 * are applied correctly.
4348 */
4349 migration_object_init();
4350
4351 if (qtest_chrdev) {
4352 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4353 }
4354
4355 machine_opts = qemu_get_machine_opts();
4356 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4357 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4358 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4359 bios_name = qemu_opt_get(machine_opts, "firmware");
4360
4361 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4362 if (opts) {
4363 boot_order = qemu_opt_get(opts, "order");
4364 if (boot_order) {
4365 validate_bootdevices(boot_order, &error_fatal);
4366 }
4367
4368 boot_once = qemu_opt_get(opts, "once");
4369 if (boot_once) {
4370 validate_bootdevices(boot_once, &error_fatal);
4371 }
4372
4373 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4374 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4375 }
4376
4377 if (!boot_order) {
4378 boot_order = machine_class->default_boot_order;
4379 }
4380
4381 if (!kernel_cmdline) {
4382 kernel_cmdline = "";
4383 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4384 }
4385
4386 linux_boot = (kernel_filename != NULL);
4387
4388 if (!linux_boot && *kernel_cmdline != '\0') {
4389 error_report("-append only allowed with -kernel option");
4390 exit(1);
4391 }
4392
4393 if (!linux_boot && initrd_filename != NULL) {
4394 error_report("-initrd only allowed with -kernel option");
4395 exit(1);
4396 }
4397
4398 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4399 /* fall back to the -kernel/-append */
4400 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4401 }
4402
4403 os_set_line_buffering();
4404
4405 /* spice needs the timers to be initialized by this point */
4406 qemu_spice_init();
4407
4408 cpu_ticks_init();
4409 if (icount_opts) {
4410 if (!tcg_enabled()) {
4411 error_report("-icount is not allowed with hardware virtualization");
4412 exit(1);
4413 }
4414 configure_icount(icount_opts, &error_abort);
4415 qemu_opts_del(icount_opts);
4416 }
4417
4418 if (tcg_enabled()) {
4419 qemu_tcg_configure(accel_opts, &error_fatal);
4420 }
4421
4422 if (default_net) {
4423 QemuOptsList *net = qemu_find_opts("net");
4424 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4425 #ifdef CONFIG_SLIRP
4426 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4427 #endif
4428 }
4429
4430 if (net_init_clients(&err) < 0) {
4431 error_report_err(err);
4432 exit(1);
4433 }
4434
4435 qemu_opts_foreach(qemu_find_opts("object"),
4436 user_creatable_add_opts_foreach,
4437 object_create_delayed, &error_fatal);
4438
4439 tpm_init();
4440
4441 /* init the bluetooth world */
4442 if (foreach_device_config(DEV_BT, bt_parse))
4443 exit(1);
4444
4445 if (!xen_enabled()) {
4446 /* On 32-bit hosts, QEMU is limited by virtual address space */
4447 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4448 error_report("at most 2047 MB RAM can be simulated");
4449 exit(1);
4450 }
4451 }
4452
4453 blk_mig_init();
4454 ram_mig_init();
4455 dirty_bitmap_mig_init();
4456
4457 /* If the currently selected machine wishes to override the units-per-bus
4458 * property of its default HBA interface type, do so now. */
4459 if (machine_class->units_per_default_bus) {
4460 override_max_devs(machine_class->block_default_type,
4461 machine_class->units_per_default_bus);
4462 }
4463
4464 /* open the virtual block devices */
4465 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4466 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4467
4468 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4469 loc_push_restore(&bdo->loc);
4470 qmp_blockdev_add(bdo->bdo, &error_fatal);
4471 loc_pop(&bdo->loc);
4472 qapi_free_BlockdevOptions(bdo->bdo);
4473 g_free(bdo);
4474 }
4475 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4476 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4477 NULL, NULL);
4478 }
4479 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4480 &machine_class->block_default_type, &error_fatal)) {
4481 /* We printed help */
4482 exit(0);
4483 }
4484
4485 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4486 CDROM_OPTS);
4487 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4488 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4489
4490 qemu_opts_foreach(qemu_find_opts("mon"),
4491 mon_init_func, NULL, &error_fatal);
4492
4493 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4494 exit(1);
4495 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4496 exit(1);
4497 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4498 exit(1);
4499 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4500 exit(1);
4501
4502 /* If no default VGA is requested, the default is "none". */
4503 if (default_vga) {
4504 if (machine_class->default_display) {
4505 vga_model = machine_class->default_display;
4506 } else if (vga_interface_available(VGA_CIRRUS)) {
4507 vga_model = "cirrus";
4508 } else if (vga_interface_available(VGA_STD)) {
4509 vga_model = "std";
4510 }
4511 }
4512 if (vga_model) {
4513 select_vgahw(vga_model);
4514 }
4515
4516 if (watchdog) {
4517 i = select_watchdog(watchdog);
4518 if (i > 0)
4519 exit (i == 1 ? 1 : 0);
4520 }
4521
4522 /* This checkpoint is required by replay to separate prior clock
4523 reading from the other reads, because timer polling functions query
4524 clock values from the log. */
4525 replay_checkpoint(CHECKPOINT_INIT);
4526 qdev_machine_init();
4527
4528 current_machine->ram_size = ram_size;
4529 current_machine->maxram_size = maxram_size;
4530 current_machine->ram_slots = ram_slots;
4531 current_machine->boot_order = boot_order;
4532
4533 /* parse features once if machine provides default cpu_type */
4534 current_machine->cpu_type = machine_class->default_cpu_type;
4535 if (cpu_model) {
4536 current_machine->cpu_type = parse_cpu_model(cpu_model);
4537 }
4538 parse_numa_opts(current_machine);
4539
4540 /* do monitor/qmp handling at preconfig state if requested */
4541 main_loop();
4542
4543 /* from here on runstate is RUN_STATE_PRELAUNCH */
4544 machine_run_board_init(current_machine);
4545
4546 realtime_init();
4547
4548 soundhw_init();
4549
4550 if (hax_enabled()) {
4551 hax_sync_vcpus();
4552 }
4553
4554 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4555 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4556
4557 /* init USB devices */
4558 if (machine_usb(current_machine)) {
4559 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4560 exit(1);
4561 }
4562
4563 /* Check if IGD GFX passthrough. */
4564 igd_gfx_passthru();
4565
4566 /* init generic devices */
4567 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4568 qemu_opts_foreach(qemu_find_opts("device"),
4569 device_init_func, NULL, &error_fatal);
4570
4571 cpu_synchronize_all_post_init();
4572
4573 rom_reset_order_override();
4574
4575 /* Did we create any drives that we failed to create a device for? */
4576 drive_check_orphaned();
4577
4578 /* Don't warn about the default network setup that you get if
4579 * no command line -net or -netdev options are specified. There
4580 * are two cases that we would otherwise complain about:
4581 * (1) board doesn't support a NIC but the implicit "-net nic"
4582 * requested one
4583 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4584 * sets up a nic that isn't connected to anything.
4585 */
4586 if (!default_net && (!qtest_enabled() || has_defaults)) {
4587 net_check_clients();
4588 }
4589
4590 if (boot_once) {
4591 qemu_boot_set(boot_once, &error_fatal);
4592 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4593 }
4594
4595 /* init local displays */
4596 ds = init_displaystate();
4597 qemu_display_init(ds, &dpy);
4598
4599 /* must be after terminal init, SDL library changes signal handlers */
4600 os_setup_signal_handling();
4601
4602 /* init remote displays */
4603 #ifdef CONFIG_VNC
4604 qemu_opts_foreach(qemu_find_opts("vnc"),
4605 vnc_init_func, NULL, &error_fatal);
4606 #endif
4607
4608 if (using_spice) {
4609 qemu_spice_display_init();
4610 }
4611
4612 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4613 exit(1);
4614 }
4615
4616 qdev_machine_creation_done();
4617
4618 /* TODO: once all bus devices are qdevified, this should be done
4619 * when bus is created by qdev.c */
4620 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4621 qemu_run_machine_init_done_notifiers();
4622
4623 if (rom_check_and_register_reset() != 0) {
4624 error_report("rom check and register reset failed");
4625 exit(1);
4626 }
4627
4628 replay_start();
4629
4630 /* This checkpoint is required by replay to separate prior clock
4631 reading from the other reads, because timer polling functions query
4632 clock values from the log. */
4633 replay_checkpoint(CHECKPOINT_RESET);
4634 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4635 register_global_state();
4636 if (loadvm) {
4637 Error *local_err = NULL;
4638 if (load_snapshot(loadvm, &local_err) < 0) {
4639 error_report_err(local_err);
4640 autostart = 0;
4641 exit(1);
4642 }
4643 }
4644 if (replay_mode != REPLAY_MODE_NONE) {
4645 replay_vmstate_init();
4646 }
4647
4648 qdev_prop_check_globals();
4649 if (vmstate_dump_file) {
4650 /* dump and exit */
4651 dump_vmstate_json_to_file(vmstate_dump_file);
4652 return 0;
4653 }
4654
4655 if (incoming) {
4656 Error *local_err = NULL;
4657 qemu_start_incoming_migration(incoming, &local_err);
4658 if (local_err) {
4659 error_reportf_err(local_err, "-incoming %s: ", incoming);
4660 exit(1);
4661 }
4662 } else if (autostart) {
4663 vm_start();
4664 }
4665
4666 accel_setup_post(current_machine);
4667 os_setup_post();
4668
4669 main_loop();
4670
4671 gdbserver_cleanup();
4672
4673 /* No more vcpu or device emulation activity beyond this point */
4674 vm_shutdown();
4675
4676 job_cancel_sync_all();
4677 bdrv_close_all();
4678
4679 res_free();
4680
4681 /* vhost-user must be cleaned up before chardevs. */
4682 tpm_cleanup();
4683 net_cleanup();
4684 audio_cleanup();
4685 monitor_cleanup();
4686 qemu_chr_cleanup();
4687 user_creatable_cleanup();
4688 migration_object_finalize();
4689 /* TODO: unref root container, check all devices are ok */
4690
4691 return 0;
4692 }
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