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hw/display: add vhost-user-vga & gpu-pci
[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 #include "trace-root.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/arch_init.h"
113
114 #include "ui/qemu-spice.h"
115 #include "qapi/string-input-visitor.h"
116 #include "qapi/opts-visitor.h"
117 #include "qapi/clone-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "exec/semihost.h"
120 #include "crypto/init.h"
121 #include "sysemu/replay.h"
122 #include "qapi/qapi-events-run-state.h"
123 #include "qapi/qapi-visit-block-core.h"
124 #include "qapi/qapi-visit-ui.h"
125 #include "qapi/qapi-commands-block-core.h"
126 #include "qapi/qapi-commands-misc.h"
127 #include "qapi/qapi-commands-run-state.h"
128 #include "qapi/qapi-commands-ui.h"
129 #include "qapi/qmp/qerror.h"
130 #include "sysemu/iothread.h"
131 #include "qemu/guest-random.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134
135 static const char *data_dir[16];
136 static int data_dir_idx;
137 const char *bios_name = NULL;
138 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
139 int display_opengl;
140 const char* keyboard_layout = NULL;
141 ram_addr_t ram_size;
142 const char *mem_path = NULL;
143 int mem_prealloc = 0; /* force preallocation of physical target memory */
144 bool enable_mlock = false;
145 bool enable_cpu_pm = false;
146 int nb_nics;
147 NICInfo nd_table[MAX_NICS];
148 int autostart;
149 static enum {
150 RTC_BASE_UTC,
151 RTC_BASE_LOCALTIME,
152 RTC_BASE_DATETIME,
153 } rtc_base_type = RTC_BASE_UTC;
154 static time_t rtc_ref_start_datetime;
155 static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
156 static int rtc_host_datetime_offset = -1; /* valid & used only with
157 RTC_BASE_DATETIME */
158 QEMUClockType rtc_clock;
159 int vga_interface_type = VGA_NONE;
160 static DisplayOptions dpy;
161 static int num_serial_hds;
162 static Chardev **serial_hds;
163 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
164 int win2k_install_hack = 0;
165 int singlestep = 0;
166 int smp_cpus;
167 unsigned int max_cpus;
168 int smp_cores = 1;
169 int smp_threads = 1;
170 int acpi_enabled = 1;
171 int no_hpet = 0;
172 int fd_bootchk = 1;
173 static int no_reboot;
174 int no_shutdown = 0;
175 int cursor_hide = 1;
176 int graphic_rotate = 0;
177 const char *watchdog;
178 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
179 int nb_option_roms;
180 int old_param = 0;
181 const char *qemu_name;
182 int alt_grab = 0;
183 int ctrl_grab = 0;
184 unsigned int nb_prom_envs = 0;
185 const char *prom_envs[MAX_PROM_ENVS];
186 int boot_menu;
187 bool boot_strict;
188 uint8_t *boot_splash_filedata;
189 int only_migratable; /* turn it off unless user states otherwise */
190 bool wakeup_suspend_enabled;
191
192 int icount_align_option;
193
194 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
195 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 */
197 QemuUUID qemu_uuid;
198 bool qemu_uuid_set;
199
200 static NotifierList exit_notifiers =
201 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
202
203 static NotifierList machine_init_done_notifiers =
204 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
205
206 bool xen_allowed;
207 uint32_t xen_domid;
208 enum xen_mode xen_mode = XEN_EMULATE;
209 bool xen_domid_restrict;
210
211 static int has_defaults = 1;
212 static int default_serial = 1;
213 static int default_parallel = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219 static int default_net = 1;
220
221 static struct {
222 const char *driver;
223 int *flag;
224 } default_list[] = {
225 { .driver = "isa-serial", .flag = &default_serial },
226 { .driver = "isa-parallel", .flag = &default_parallel },
227 { .driver = "isa-fdc", .flag = &default_floppy },
228 { .driver = "floppy", .flag = &default_floppy },
229 { .driver = "ide-cd", .flag = &default_cdrom },
230 { .driver = "ide-hd", .flag = &default_cdrom },
231 { .driver = "ide-drive", .flag = &default_cdrom },
232 { .driver = "scsi-cd", .flag = &default_cdrom },
233 { .driver = "scsi-hd", .flag = &default_cdrom },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
240 { .driver = "virtio-vga", .flag = &default_vga },
241 { .driver = "ati-vga", .flag = &default_vga },
242 { .driver = "vhost-user-vga", .flag = &default_vga },
243 };
244
245 static QemuOptsList qemu_rtc_opts = {
246 .name = "rtc",
247 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
248 .merge_lists = true,
249 .desc = {
250 {
251 .name = "base",
252 .type = QEMU_OPT_STRING,
253 },{
254 .name = "clock",
255 .type = QEMU_OPT_STRING,
256 },{
257 .name = "driftfix",
258 .type = QEMU_OPT_STRING,
259 },
260 { /* end of list */ }
261 },
262 };
263
264 static QemuOptsList qemu_option_rom_opts = {
265 .name = "option-rom",
266 .implied_opt_name = "romfile",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
268 .desc = {
269 {
270 .name = "bootindex",
271 .type = QEMU_OPT_NUMBER,
272 }, {
273 .name = "romfile",
274 .type = QEMU_OPT_STRING,
275 },
276 { /* end of list */ }
277 },
278 };
279
280 static QemuOptsList qemu_machine_opts = {
281 .name = "machine",
282 .implied_opt_name = "type",
283 .merge_lists = true,
284 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
285 .desc = {
286 /*
287 * no elements => accept any
288 * sanity checking will happen later
289 * when setting machine properties
290 */
291 { }
292 },
293 };
294
295 static QemuOptsList qemu_accel_opts = {
296 .name = "accel",
297 .implied_opt_name = "accel",
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
299 .merge_lists = true,
300 .desc = {
301 {
302 .name = "accel",
303 .type = QEMU_OPT_STRING,
304 .help = "Select the type of accelerator",
305 },
306 {
307 .name = "thread",
308 .type = QEMU_OPT_STRING,
309 .help = "Enable/disable multi-threaded TCG",
310 },
311 { /* end of list */ }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_NUMBER,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_NUMBER,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_overcommit_opts = {
400 .name = "overcommit",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
402 .desc = {
403 {
404 .name = "mem-lock",
405 .type = QEMU_OPT_BOOL,
406 },
407 {
408 .name = "cpu-pm",
409 .type = QEMU_OPT_BOOL,
410 },
411 { /* end of list */ }
412 },
413 };
414
415 static QemuOptsList qemu_msg_opts = {
416 .name = "msg",
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
418 .desc = {
419 {
420 .name = "timestamp",
421 .type = QEMU_OPT_BOOL,
422 },
423 { /* end of list */ }
424 },
425 };
426
427 static QemuOptsList qemu_name_opts = {
428 .name = "name",
429 .implied_opt_name = "guest",
430 .merge_lists = true,
431 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
432 .desc = {
433 {
434 .name = "guest",
435 .type = QEMU_OPT_STRING,
436 .help = "Sets the name of the guest.\n"
437 "This name will be displayed in the SDL window caption.\n"
438 "The name will also be used for the VNC server",
439 }, {
440 .name = "process",
441 .type = QEMU_OPT_STRING,
442 .help = "Sets the name of the QEMU process, as shown in top etc",
443 }, {
444 .name = "debug-threads",
445 .type = QEMU_OPT_BOOL,
446 .help = "When enabled, name the individual threads; defaults off.\n"
447 "NOTE: The thread names are for debugging and not a\n"
448 "stable API.",
449 },
450 { /* End of list */ }
451 },
452 };
453
454 static QemuOptsList qemu_mem_opts = {
455 .name = "memory",
456 .implied_opt_name = "size",
457 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
458 .merge_lists = true,
459 .desc = {
460 {
461 .name = "size",
462 .type = QEMU_OPT_SIZE,
463 },
464 {
465 .name = "slots",
466 .type = QEMU_OPT_NUMBER,
467 },
468 {
469 .name = "maxmem",
470 .type = QEMU_OPT_SIZE,
471 },
472 { /* end of list */ }
473 },
474 };
475
476 static QemuOptsList qemu_icount_opts = {
477 .name = "icount",
478 .implied_opt_name = "shift",
479 .merge_lists = true,
480 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
481 .desc = {
482 {
483 .name = "shift",
484 .type = QEMU_OPT_STRING,
485 }, {
486 .name = "align",
487 .type = QEMU_OPT_BOOL,
488 }, {
489 .name = "sleep",
490 .type = QEMU_OPT_BOOL,
491 }, {
492 .name = "rr",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "rrfile",
496 .type = QEMU_OPT_STRING,
497 }, {
498 .name = "rrsnapshot",
499 .type = QEMU_OPT_STRING,
500 },
501 { /* end of list */ }
502 },
503 };
504
505 static QemuOptsList qemu_semihosting_config_opts = {
506 .name = "semihosting-config",
507 .implied_opt_name = "enable",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
509 .desc = {
510 {
511 .name = "enable",
512 .type = QEMU_OPT_BOOL,
513 }, {
514 .name = "target",
515 .type = QEMU_OPT_STRING,
516 }, {
517 .name = "arg",
518 .type = QEMU_OPT_STRING,
519 },
520 { /* end of list */ }
521 },
522 };
523
524 static QemuOptsList qemu_fw_cfg_opts = {
525 .name = "fw_cfg",
526 .implied_opt_name = "name",
527 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
528 .desc = {
529 {
530 .name = "name",
531 .type = QEMU_OPT_STRING,
532 .help = "Sets the fw_cfg name of the blob to be inserted",
533 }, {
534 .name = "file",
535 .type = QEMU_OPT_STRING,
536 .help = "Sets the name of the file from which "
537 "the fw_cfg blob will be loaded",
538 }, {
539 .name = "string",
540 .type = QEMU_OPT_STRING,
541 .help = "Sets content of the blob to be inserted from a string",
542 },
543 { /* end of list */ }
544 },
545 };
546
547 /**
548 * Get machine options
549 *
550 * Returns: machine options (never null).
551 */
552 QemuOpts *qemu_get_machine_opts(void)
553 {
554 return qemu_find_opts_singleton("machine");
555 }
556
557 const char *qemu_get_vm_name(void)
558 {
559 return qemu_name;
560 }
561
562 static void res_free(void)
563 {
564 g_free(boot_splash_filedata);
565 boot_splash_filedata = NULL;
566 }
567
568 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
569 {
570 const char *driver = qemu_opt_get(opts, "driver");
571 int i;
572
573 if (!driver)
574 return 0;
575 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
576 if (strcmp(default_list[i].driver, driver) != 0)
577 continue;
578 *(default_list[i].flag) = 0;
579 }
580 return 0;
581 }
582
583 /***********************************************************/
584 /* QEMU state */
585
586 static RunState current_run_state = RUN_STATE_PRECONFIG;
587
588 /* We use RUN_STATE__MAX but any invalid value will do */
589 static RunState vmstop_requested = RUN_STATE__MAX;
590 static QemuMutex vmstop_lock;
591
592 typedef struct {
593 RunState from;
594 RunState to;
595 } RunStateTransition;
596
597 static const RunStateTransition runstate_transitions_def[] = {
598 /* from -> to */
599 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
600 /* Early switch to inmigrate state to allow -incoming CLI option work
601 * as it used to. TODO: delay actual switching to inmigrate state to
602 * the point after machine is built and remove this hack.
603 */
604 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
605
606 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
607 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
609
610 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
611 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
612 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
613 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
614 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
615 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
616 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
617 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
618 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
620 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
621 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
622
623 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
624 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
628 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
632 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
634 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
635 { RUN_STATE_PAUSED, RUN_STATE_COLO},
636
637 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
638 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
642 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
644
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
646 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
647 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
648 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
649 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
650
651 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
652 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
653
654 { RUN_STATE_COLO, RUN_STATE_RUNNING },
655
656 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
657 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
658 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
659 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
660 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
661 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
662 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
663 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
664 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
665 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
666 { RUN_STATE_RUNNING, RUN_STATE_COLO},
667
668 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
669
670 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
671 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
673
674 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
675 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
676 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
677 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
678 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
679 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
680
681 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
682 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
683 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
684 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
685
686 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
687 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
688 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
689
690 { RUN_STATE__MAX, RUN_STATE__MAX },
691 };
692
693 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
694
695 bool runstate_check(RunState state)
696 {
697 return current_run_state == state;
698 }
699
700 bool runstate_store(char *str, size_t size)
701 {
702 const char *state = RunState_str(current_run_state);
703 size_t len = strlen(state) + 1;
704
705 if (len > size) {
706 return false;
707 }
708 memcpy(str, state, len);
709 return true;
710 }
711
712 static void runstate_init(void)
713 {
714 const RunStateTransition *p;
715
716 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
717 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
718 runstate_valid_transitions[p->from][p->to] = true;
719 }
720
721 qemu_mutex_init(&vmstop_lock);
722 }
723
724 /* This function will abort() on invalid state transitions */
725 void runstate_set(RunState new_state)
726 {
727 assert(new_state < RUN_STATE__MAX);
728
729 trace_runstate_set(current_run_state, RunState_str(current_run_state),
730 new_state, RunState_str(new_state));
731
732 if (current_run_state == new_state) {
733 return;
734 }
735
736 if (!runstate_valid_transitions[current_run_state][new_state]) {
737 error_report("invalid runstate transition: '%s' -> '%s'",
738 RunState_str(current_run_state),
739 RunState_str(new_state));
740 abort();
741 }
742
743 current_run_state = new_state;
744 }
745
746 int runstate_is_running(void)
747 {
748 return runstate_check(RUN_STATE_RUNNING);
749 }
750
751 bool runstate_needs_reset(void)
752 {
753 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
754 runstate_check(RUN_STATE_SHUTDOWN);
755 }
756
757 StatusInfo *qmp_query_status(Error **errp)
758 {
759 StatusInfo *info = g_malloc0(sizeof(*info));
760
761 info->running = runstate_is_running();
762 info->singlestep = singlestep;
763 info->status = current_run_state;
764
765 return info;
766 }
767
768 bool qemu_vmstop_requested(RunState *r)
769 {
770 qemu_mutex_lock(&vmstop_lock);
771 *r = vmstop_requested;
772 vmstop_requested = RUN_STATE__MAX;
773 qemu_mutex_unlock(&vmstop_lock);
774 return *r < RUN_STATE__MAX;
775 }
776
777 void qemu_system_vmstop_request_prepare(void)
778 {
779 qemu_mutex_lock(&vmstop_lock);
780 }
781
782 void qemu_system_vmstop_request(RunState state)
783 {
784 vmstop_requested = state;
785 qemu_mutex_unlock(&vmstop_lock);
786 qemu_notify_event();
787 }
788
789 /***********************************************************/
790 /* RTC reference time/date access */
791 static time_t qemu_ref_timedate(QEMUClockType clock)
792 {
793 time_t value = qemu_clock_get_ms(clock) / 1000;
794 switch (clock) {
795 case QEMU_CLOCK_REALTIME:
796 value -= rtc_realtime_clock_offset;
797 /* no break */
798 case QEMU_CLOCK_VIRTUAL:
799 value += rtc_ref_start_datetime;
800 break;
801 case QEMU_CLOCK_HOST:
802 if (rtc_base_type == RTC_BASE_DATETIME) {
803 value -= rtc_host_datetime_offset;
804 }
805 break;
806 default:
807 assert(0);
808 }
809 return value;
810 }
811
812 void qemu_get_timedate(struct tm *tm, int offset)
813 {
814 time_t ti = qemu_ref_timedate(rtc_clock);
815
816 ti += offset;
817
818 switch (rtc_base_type) {
819 case RTC_BASE_DATETIME:
820 case RTC_BASE_UTC:
821 gmtime_r(&ti, tm);
822 break;
823 case RTC_BASE_LOCALTIME:
824 localtime_r(&ti, tm);
825 break;
826 }
827 }
828
829 int qemu_timedate_diff(struct tm *tm)
830 {
831 time_t seconds;
832
833 switch (rtc_base_type) {
834 case RTC_BASE_DATETIME:
835 case RTC_BASE_UTC:
836 seconds = mktimegm(tm);
837 break;
838 case RTC_BASE_LOCALTIME:
839 {
840 struct tm tmp = *tm;
841 tmp.tm_isdst = -1; /* use timezone to figure it out */
842 seconds = mktime(&tmp);
843 break;
844 }
845 default:
846 abort();
847 }
848
849 return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
850 }
851
852 static void configure_rtc_base_datetime(const char *startdate)
853 {
854 time_t rtc_start_datetime;
855 struct tm tm;
856
857 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
858 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
859 /* OK */
860 } else if (sscanf(startdate, "%d-%d-%d",
861 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
862 tm.tm_hour = 0;
863 tm.tm_min = 0;
864 tm.tm_sec = 0;
865 } else {
866 goto date_fail;
867 }
868 tm.tm_year -= 1900;
869 tm.tm_mon--;
870 rtc_start_datetime = mktimegm(&tm);
871 if (rtc_start_datetime == -1) {
872 date_fail:
873 error_report("invalid datetime format");
874 error_printf("valid formats: "
875 "'2006-06-17T16:01:21' or '2006-06-17'\n");
876 exit(1);
877 }
878 rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
879 rtc_ref_start_datetime = rtc_start_datetime;
880 }
881
882 static void configure_rtc(QemuOpts *opts)
883 {
884 const char *value;
885
886 /* Set defaults */
887 rtc_clock = QEMU_CLOCK_HOST;
888 rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
889 rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
890
891 value = qemu_opt_get(opts, "base");
892 if (value) {
893 if (!strcmp(value, "utc")) {
894 rtc_base_type = RTC_BASE_UTC;
895 } else if (!strcmp(value, "localtime")) {
896 Error *blocker = NULL;
897 rtc_base_type = RTC_BASE_LOCALTIME;
898 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
899 "-rtc base=localtime");
900 replay_add_blocker(blocker);
901 } else {
902 rtc_base_type = RTC_BASE_DATETIME;
903 configure_rtc_base_datetime(value);
904 }
905 }
906 value = qemu_opt_get(opts, "clock");
907 if (value) {
908 if (!strcmp(value, "host")) {
909 rtc_clock = QEMU_CLOCK_HOST;
910 } else if (!strcmp(value, "rt")) {
911 rtc_clock = QEMU_CLOCK_REALTIME;
912 } else if (!strcmp(value, "vm")) {
913 rtc_clock = QEMU_CLOCK_VIRTUAL;
914 } else {
915 error_report("invalid option value '%s'", value);
916 exit(1);
917 }
918 }
919 value = qemu_opt_get(opts, "driftfix");
920 if (value) {
921 if (!strcmp(value, "slew")) {
922 static GlobalProperty slew_lost_ticks = {
923 .driver = "mc146818rtc",
924 .property = "lost_tick_policy",
925 .value = "slew",
926 };
927
928 qdev_prop_register_global(&slew_lost_ticks);
929 } else if (!strcmp(value, "none")) {
930 /* discard is default */
931 } else {
932 error_report("invalid option value '%s'", value);
933 exit(1);
934 }
935 }
936 }
937
938 /***********************************************************/
939 /* Bluetooth support */
940 static int nb_hcis;
941 static int cur_hci;
942 static struct HCIInfo *hci_table[MAX_NICS];
943
944 struct HCIInfo *qemu_next_hci(void)
945 {
946 if (cur_hci == nb_hcis)
947 return &null_hci;
948
949 return hci_table[cur_hci++];
950 }
951
952 static int bt_hci_parse(const char *str)
953 {
954 struct HCIInfo *hci;
955 bdaddr_t bdaddr;
956
957 if (nb_hcis >= MAX_NICS) {
958 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
959 return -1;
960 }
961
962 hci = hci_init(str);
963 if (!hci)
964 return -1;
965
966 bdaddr.b[0] = 0x52;
967 bdaddr.b[1] = 0x54;
968 bdaddr.b[2] = 0x00;
969 bdaddr.b[3] = 0x12;
970 bdaddr.b[4] = 0x34;
971 bdaddr.b[5] = 0x56 + nb_hcis;
972 hci->bdaddr_set(hci, bdaddr.b);
973
974 hci_table[nb_hcis++] = hci;
975
976 return 0;
977 }
978
979 static void bt_vhci_add(int vlan_id)
980 {
981 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
982
983 if (!vlan->slave)
984 warn_report("adding a VHCI to an empty scatternet %i",
985 vlan_id);
986
987 bt_vhci_init(bt_new_hci(vlan));
988 }
989
990 static struct bt_device_s *bt_device_add(const char *opt)
991 {
992 struct bt_scatternet_s *vlan;
993 int vlan_id = 0;
994 char *endp = strstr(opt, ",vlan=");
995 int len = (endp ? endp - opt : strlen(opt)) + 1;
996 char devname[10];
997
998 pstrcpy(devname, MIN(sizeof(devname), len), opt);
999
1000 if (endp) {
1001 vlan_id = strtol(endp + 6, &endp, 0);
1002 if (*endp) {
1003 error_report("unrecognised bluetooth vlan Id");
1004 return 0;
1005 }
1006 }
1007
1008 vlan = qemu_find_bt_vlan(vlan_id);
1009
1010 if (!vlan->slave)
1011 warn_report("adding a slave device to an empty scatternet %i",
1012 vlan_id);
1013
1014 if (!strcmp(devname, "keyboard"))
1015 return bt_keyboard_init(vlan);
1016
1017 error_report("unsupported bluetooth device '%s'", devname);
1018 return 0;
1019 }
1020
1021 static int bt_parse(const char *opt)
1022 {
1023 const char *endp, *p;
1024 int vlan;
1025
1026 if (strstart(opt, "hci", &endp)) {
1027 if (!*endp || *endp == ',') {
1028 if (*endp)
1029 if (!strstart(endp, ",vlan=", 0))
1030 opt = endp + 1;
1031
1032 return bt_hci_parse(opt);
1033 }
1034 } else if (strstart(opt, "vhci", &endp)) {
1035 if (!*endp || *endp == ',') {
1036 if (*endp) {
1037 if (strstart(endp, ",vlan=", &p)) {
1038 vlan = strtol(p, (char **) &endp, 0);
1039 if (*endp) {
1040 error_report("bad scatternet '%s'", p);
1041 return 1;
1042 }
1043 } else {
1044 error_report("bad parameter '%s'", endp + 1);
1045 return 1;
1046 }
1047 } else
1048 vlan = 0;
1049
1050 bt_vhci_add(vlan);
1051 return 0;
1052 }
1053 } else if (strstart(opt, "device:", &endp))
1054 return !bt_device_add(endp);
1055
1056 error_report("bad bluetooth parameter '%s'", opt);
1057 return 1;
1058 }
1059
1060 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1061 {
1062 const char *proc_name;
1063
1064 if (qemu_opt_get(opts, "debug-threads")) {
1065 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1066 }
1067 qemu_name = qemu_opt_get(opts, "guest");
1068
1069 proc_name = qemu_opt_get(opts, "process");
1070 if (proc_name) {
1071 os_set_proc_name(proc_name);
1072 }
1073
1074 return 0;
1075 }
1076
1077 bool defaults_enabled(void)
1078 {
1079 return has_defaults;
1080 }
1081
1082 #ifndef _WIN32
1083 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1084 {
1085 int fd, dupfd, flags;
1086 int64_t fdset_id;
1087 const char *fd_opaque = NULL;
1088 AddfdInfo *fdinfo;
1089
1090 fd = qemu_opt_get_number(opts, "fd", -1);
1091 fdset_id = qemu_opt_get_number(opts, "set", -1);
1092 fd_opaque = qemu_opt_get(opts, "opaque");
1093
1094 if (fd < 0) {
1095 error_setg(errp, "fd option is required and must be non-negative");
1096 return -1;
1097 }
1098
1099 if (fd <= STDERR_FILENO) {
1100 error_setg(errp, "fd cannot be a standard I/O stream");
1101 return -1;
1102 }
1103
1104 /*
1105 * All fds inherited across exec() necessarily have FD_CLOEXEC
1106 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1107 */
1108 flags = fcntl(fd, F_GETFD);
1109 if (flags == -1 || (flags & FD_CLOEXEC)) {
1110 error_setg(errp, "fd is not valid or already in use");
1111 return -1;
1112 }
1113
1114 if (fdset_id < 0) {
1115 error_setg(errp, "set option is required and must be non-negative");
1116 return -1;
1117 }
1118
1119 #ifdef F_DUPFD_CLOEXEC
1120 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1121 #else
1122 dupfd = dup(fd);
1123 if (dupfd != -1) {
1124 qemu_set_cloexec(dupfd);
1125 }
1126 #endif
1127 if (dupfd == -1) {
1128 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1129 return -1;
1130 }
1131
1132 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1133 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1134 &error_abort);
1135 g_free(fdinfo);
1136
1137 return 0;
1138 }
1139
1140 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1141 {
1142 int fd;
1143
1144 fd = qemu_opt_get_number(opts, "fd", -1);
1145 close(fd);
1146
1147 return 0;
1148 }
1149 #endif
1150
1151 /***********************************************************/
1152 /* QEMU Block devices */
1153
1154 #define HD_OPTS "media=disk"
1155 #define CDROM_OPTS "media=cdrom"
1156 #define FD_OPTS ""
1157 #define PFLASH_OPTS ""
1158 #define MTD_OPTS ""
1159 #define SD_OPTS ""
1160
1161 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1162 {
1163 BlockInterfaceType *block_default_type = opaque;
1164
1165 return drive_new(opts, *block_default_type, errp) == NULL;
1166 }
1167
1168 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1169 {
1170 if (qemu_opt_get(opts, "snapshot") == NULL) {
1171 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1172 }
1173 return 0;
1174 }
1175
1176 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1177 int index, const char *optstr)
1178 {
1179 QemuOpts *opts;
1180 DriveInfo *dinfo;
1181
1182 if (!enable || drive_get_by_index(type, index)) {
1183 return;
1184 }
1185
1186 opts = drive_add(type, index, NULL, optstr);
1187 if (snapshot) {
1188 drive_enable_snapshot(NULL, opts, NULL);
1189 }
1190
1191 dinfo = drive_new(opts, type, &error_abort);
1192 dinfo->is_default = true;
1193
1194 }
1195
1196 typedef struct BlockdevOptionsQueueEntry {
1197 BlockdevOptions *bdo;
1198 Location loc;
1199 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
1200 } BlockdevOptionsQueueEntry;
1201
1202 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
1203
1204 static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
1205 MachineClass *machine_class, int snapshot)
1206 {
1207 /*
1208 * If the currently selected machine wishes to override the
1209 * units-per-bus property of its default HBA interface type, do so
1210 * now.
1211 */
1212 if (machine_class->units_per_default_bus) {
1213 override_max_devs(machine_class->block_default_type,
1214 machine_class->units_per_default_bus);
1215 }
1216
1217 /* open the virtual block devices */
1218 while (!QSIMPLEQ_EMPTY(bdo_queue)) {
1219 BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
1220
1221 QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
1222 loc_push_restore(&bdo->loc);
1223 qmp_blockdev_add(bdo->bdo, &error_fatal);
1224 loc_pop(&bdo->loc);
1225 qapi_free_BlockdevOptions(bdo->bdo);
1226 g_free(bdo);
1227 }
1228 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
1229 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
1230 NULL, NULL);
1231 }
1232 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
1233 &machine_class->block_default_type, &error_fatal)) {
1234 /* We printed help */
1235 exit(0);
1236 }
1237
1238 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
1239 CDROM_OPTS);
1240 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
1241 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
1242
1243 }
1244
1245 static QemuOptsList qemu_smp_opts = {
1246 .name = "smp-opts",
1247 .implied_opt_name = "cpus",
1248 .merge_lists = true,
1249 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1250 .desc = {
1251 {
1252 .name = "cpus",
1253 .type = QEMU_OPT_NUMBER,
1254 }, {
1255 .name = "sockets",
1256 .type = QEMU_OPT_NUMBER,
1257 }, {
1258 .name = "cores",
1259 .type = QEMU_OPT_NUMBER,
1260 }, {
1261 .name = "threads",
1262 .type = QEMU_OPT_NUMBER,
1263 }, {
1264 .name = "maxcpus",
1265 .type = QEMU_OPT_NUMBER,
1266 },
1267 { /*End of list */ }
1268 },
1269 };
1270
1271 static void smp_parse(QemuOpts *opts)
1272 {
1273 if (opts) {
1274 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1275 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1276 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1277 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1278
1279 /* compute missing values, prefer sockets over cores over threads */
1280 if (cpus == 0 || sockets == 0) {
1281 cores = cores > 0 ? cores : 1;
1282 threads = threads > 0 ? threads : 1;
1283 if (cpus == 0) {
1284 sockets = sockets > 0 ? sockets : 1;
1285 cpus = cores * threads * sockets;
1286 } else {
1287 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1288 sockets = max_cpus / (cores * threads);
1289 }
1290 } else if (cores == 0) {
1291 threads = threads > 0 ? threads : 1;
1292 cores = cpus / (sockets * threads);
1293 cores = cores > 0 ? cores : 1;
1294 } else if (threads == 0) {
1295 threads = cpus / (cores * sockets);
1296 threads = threads > 0 ? threads : 1;
1297 } else if (sockets * cores * threads < cpus) {
1298 error_report("cpu topology: "
1299 "sockets (%u) * cores (%u) * threads (%u) < "
1300 "smp_cpus (%u)",
1301 sockets, cores, threads, cpus);
1302 exit(1);
1303 }
1304
1305 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1306
1307 if (max_cpus < cpus) {
1308 error_report("maxcpus must be equal to or greater than smp");
1309 exit(1);
1310 }
1311
1312 if (sockets * cores * threads > max_cpus) {
1313 error_report("cpu topology: "
1314 "sockets (%u) * cores (%u) * threads (%u) > "
1315 "maxcpus (%u)",
1316 sockets, cores, threads, max_cpus);
1317 exit(1);
1318 }
1319
1320 if (sockets * cores * threads != max_cpus) {
1321 warn_report("Invalid CPU topology deprecated: "
1322 "sockets (%u) * cores (%u) * threads (%u) "
1323 "!= maxcpus (%u)",
1324 sockets, cores, threads, max_cpus);
1325 }
1326
1327 smp_cpus = cpus;
1328 smp_cores = cores;
1329 smp_threads = threads;
1330 }
1331
1332 if (smp_cpus > 1) {
1333 Error *blocker = NULL;
1334 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1335 replay_add_blocker(blocker);
1336 }
1337 }
1338
1339 static void realtime_init(void)
1340 {
1341 if (enable_mlock) {
1342 if (os_mlock() < 0) {
1343 error_report("locking memory failed");
1344 exit(1);
1345 }
1346 }
1347 }
1348
1349
1350 static void configure_msg(QemuOpts *opts)
1351 {
1352 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1353 }
1354
1355 /***********************************************************/
1356 /* Semihosting */
1357
1358 typedef struct SemihostingConfig {
1359 bool enabled;
1360 SemihostingTarget target;
1361 const char **argv;
1362 int argc;
1363 const char *cmdline; /* concatenated argv */
1364 } SemihostingConfig;
1365
1366 static SemihostingConfig semihosting;
1367
1368 bool semihosting_enabled(void)
1369 {
1370 return semihosting.enabled;
1371 }
1372
1373 SemihostingTarget semihosting_get_target(void)
1374 {
1375 return semihosting.target;
1376 }
1377
1378 const char *semihosting_get_arg(int i)
1379 {
1380 if (i >= semihosting.argc) {
1381 return NULL;
1382 }
1383 return semihosting.argv[i];
1384 }
1385
1386 int semihosting_get_argc(void)
1387 {
1388 return semihosting.argc;
1389 }
1390
1391 const char *semihosting_get_cmdline(void)
1392 {
1393 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1394 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1395 }
1396 return semihosting.cmdline;
1397 }
1398
1399 static int add_semihosting_arg(void *opaque,
1400 const char *name, const char *val,
1401 Error **errp)
1402 {
1403 SemihostingConfig *s = opaque;
1404 if (strcmp(name, "arg") == 0) {
1405 s->argc++;
1406 /* one extra element as g_strjoinv() expects NULL-terminated array */
1407 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1408 s->argv[s->argc - 1] = val;
1409 s->argv[s->argc] = NULL;
1410 }
1411 return 0;
1412 }
1413
1414 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1415 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1416 {
1417 char *cmd_token;
1418
1419 /* argv[0] */
1420 add_semihosting_arg(&semihosting, "arg", file, NULL);
1421
1422 /* split -append and initialize argv[1..n] */
1423 cmd_token = strtok(g_strdup(cmd), " ");
1424 while (cmd_token) {
1425 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1426 cmd_token = strtok(NULL, " ");
1427 }
1428 }
1429
1430 /* Now we still need this for compatibility with XEN. */
1431 bool has_igd_gfx_passthru;
1432 static void igd_gfx_passthru(void)
1433 {
1434 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1435 }
1436
1437 /***********************************************************/
1438 /* USB devices */
1439
1440 static int usb_device_add(const char *devname)
1441 {
1442 USBDevice *dev = NULL;
1443
1444 if (!machine_usb(current_machine)) {
1445 return -1;
1446 }
1447
1448 dev = usbdevice_create(devname);
1449 if (!dev)
1450 return -1;
1451
1452 return 0;
1453 }
1454
1455 static int usb_parse(const char *cmdline)
1456 {
1457 int r;
1458 r = usb_device_add(cmdline);
1459 if (r < 0) {
1460 error_report("could not add USB device '%s'", cmdline);
1461 }
1462 return r;
1463 }
1464
1465 /***********************************************************/
1466 /* machine registration */
1467
1468 MachineState *current_machine;
1469
1470 static MachineClass *find_machine(const char *name, GSList *machines)
1471 {
1472 GSList *el;
1473
1474 for (el = machines; el; el = el->next) {
1475 MachineClass *mc = el->data;
1476
1477 if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
1478 return mc;
1479 }
1480 }
1481
1482 return NULL;
1483 }
1484
1485 static MachineClass *find_default_machine(GSList *machines)
1486 {
1487 GSList *el;
1488
1489 for (el = machines; el; el = el->next) {
1490 MachineClass *mc = el->data;
1491
1492 if (mc->is_default) {
1493 return mc;
1494 }
1495 }
1496
1497 return NULL;
1498 }
1499
1500 MachineInfoList *qmp_query_machines(Error **errp)
1501 {
1502 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1503 MachineInfoList *mach_list = NULL;
1504
1505 for (el = machines; el; el = el->next) {
1506 MachineClass *mc = el->data;
1507 MachineInfoList *entry;
1508 MachineInfo *info;
1509
1510 info = g_malloc0(sizeof(*info));
1511 if (mc->is_default) {
1512 info->has_is_default = true;
1513 info->is_default = true;
1514 }
1515
1516 if (mc->alias) {
1517 info->has_alias = true;
1518 info->alias = g_strdup(mc->alias);
1519 }
1520
1521 info->name = g_strdup(mc->name);
1522 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1523 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1524
1525 entry = g_malloc0(sizeof(*entry));
1526 entry->value = info;
1527 entry->next = mach_list;
1528 mach_list = entry;
1529 }
1530
1531 g_slist_free(machines);
1532 return mach_list;
1533 }
1534
1535 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1536 {
1537 ObjectProperty *prop;
1538 ObjectPropertyIterator iter;
1539
1540 if (!qemu_opt_has_help_opt(opts)) {
1541 return 0;
1542 }
1543
1544 object_property_iter_init(&iter, OBJECT(machine));
1545 while ((prop = object_property_iter_next(&iter))) {
1546 if (!prop->set) {
1547 continue;
1548 }
1549
1550 printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1551 prop->name, prop->type);
1552 if (prop->description) {
1553 printf(" (%s)\n", prop->description);
1554 } else {
1555 printf("\n");
1556 }
1557 }
1558
1559 return 1;
1560 }
1561
1562 struct vm_change_state_entry {
1563 VMChangeStateHandler *cb;
1564 void *opaque;
1565 QLIST_ENTRY (vm_change_state_entry) entries;
1566 };
1567
1568 static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head;
1569
1570 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1571 void *opaque)
1572 {
1573 VMChangeStateEntry *e;
1574
1575 e = g_malloc0(sizeof (*e));
1576
1577 e->cb = cb;
1578 e->opaque = opaque;
1579 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1580 return e;
1581 }
1582
1583 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1584 {
1585 QLIST_REMOVE (e, entries);
1586 g_free (e);
1587 }
1588
1589 void vm_state_notify(int running, RunState state)
1590 {
1591 VMChangeStateEntry *e, *next;
1592
1593 trace_vm_state_notify(running, state, RunState_str(state));
1594
1595 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1596 e->cb(e->opaque, running, state);
1597 }
1598 }
1599
1600 static ShutdownCause reset_requested;
1601 static ShutdownCause shutdown_requested;
1602 static int shutdown_signal;
1603 static pid_t shutdown_pid;
1604 static int powerdown_requested;
1605 static int debug_requested;
1606 static int suspend_requested;
1607 static bool preconfig_exit_requested = true;
1608 static WakeupReason wakeup_reason;
1609 static NotifierList powerdown_notifiers =
1610 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1611 static NotifierList suspend_notifiers =
1612 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1613 static NotifierList wakeup_notifiers =
1614 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1615 static NotifierList shutdown_notifiers =
1616 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
1617 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1618
1619 ShutdownCause qemu_shutdown_requested_get(void)
1620 {
1621 return shutdown_requested;
1622 }
1623
1624 ShutdownCause qemu_reset_requested_get(void)
1625 {
1626 return reset_requested;
1627 }
1628
1629 static int qemu_shutdown_requested(void)
1630 {
1631 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1632 }
1633
1634 static void qemu_kill_report(void)
1635 {
1636 if (!qtest_driver() && shutdown_signal) {
1637 if (shutdown_pid == 0) {
1638 /* This happens for eg ^C at the terminal, so it's worth
1639 * avoiding printing an odd message in that case.
1640 */
1641 error_report("terminating on signal %d", shutdown_signal);
1642 } else {
1643 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1644
1645 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1646 shutdown_signal, shutdown_pid,
1647 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1648 g_free(shutdown_cmd);
1649 }
1650 shutdown_signal = 0;
1651 }
1652 }
1653
1654 static ShutdownCause qemu_reset_requested(void)
1655 {
1656 ShutdownCause r = reset_requested;
1657
1658 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1659 reset_requested = SHUTDOWN_CAUSE_NONE;
1660 return r;
1661 }
1662 return SHUTDOWN_CAUSE_NONE;
1663 }
1664
1665 static int qemu_suspend_requested(void)
1666 {
1667 int r = suspend_requested;
1668 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1669 suspend_requested = 0;
1670 return r;
1671 }
1672 return false;
1673 }
1674
1675 static WakeupReason qemu_wakeup_requested(void)
1676 {
1677 return wakeup_reason;
1678 }
1679
1680 static int qemu_powerdown_requested(void)
1681 {
1682 int r = powerdown_requested;
1683 powerdown_requested = 0;
1684 return r;
1685 }
1686
1687 static int qemu_debug_requested(void)
1688 {
1689 int r = debug_requested;
1690 debug_requested = 0;
1691 return r;
1692 }
1693
1694 void qemu_exit_preconfig_request(void)
1695 {
1696 preconfig_exit_requested = true;
1697 }
1698
1699 /*
1700 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1701 */
1702 void qemu_system_reset(ShutdownCause reason)
1703 {
1704 MachineClass *mc;
1705
1706 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1707
1708 cpu_synchronize_all_states();
1709
1710 if (mc && mc->reset) {
1711 mc->reset();
1712 } else {
1713 qemu_devices_reset();
1714 }
1715 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1716 qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
1717 }
1718 cpu_synchronize_all_post_reset();
1719 }
1720
1721 void qemu_system_guest_panicked(GuestPanicInformation *info)
1722 {
1723 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1724
1725 if (current_cpu) {
1726 current_cpu->crash_occurred = true;
1727 }
1728 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1729 !!info, info);
1730 vm_stop(RUN_STATE_GUEST_PANICKED);
1731 if (!no_shutdown) {
1732 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1733 !!info, info);
1734 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1735 }
1736
1737 if (info) {
1738 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1739 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1740 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1741 info->u.hyper_v.arg1,
1742 info->u.hyper_v.arg2,
1743 info->u.hyper_v.arg3,
1744 info->u.hyper_v.arg4,
1745 info->u.hyper_v.arg5);
1746 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1747 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1748 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1749 info->u.s390.core,
1750 S390CrashReason_str(info->u.s390.reason),
1751 info->u.s390.psw_mask,
1752 info->u.s390.psw_addr);
1753 }
1754 qapi_free_GuestPanicInformation(info);
1755 }
1756 }
1757
1758 void qemu_system_reset_request(ShutdownCause reason)
1759 {
1760 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1761 shutdown_requested = reason;
1762 } else {
1763 reset_requested = reason;
1764 }
1765 cpu_stop_current();
1766 qemu_notify_event();
1767 }
1768
1769 static void qemu_system_suspend(void)
1770 {
1771 pause_all_vcpus();
1772 notifier_list_notify(&suspend_notifiers, NULL);
1773 runstate_set(RUN_STATE_SUSPENDED);
1774 qapi_event_send_suspend();
1775 }
1776
1777 void qemu_system_suspend_request(void)
1778 {
1779 if (runstate_check(RUN_STATE_SUSPENDED)) {
1780 return;
1781 }
1782 suspend_requested = 1;
1783 cpu_stop_current();
1784 qemu_notify_event();
1785 }
1786
1787 void qemu_register_suspend_notifier(Notifier *notifier)
1788 {
1789 notifier_list_add(&suspend_notifiers, notifier);
1790 }
1791
1792 void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
1793 {
1794 trace_system_wakeup_request(reason);
1795
1796 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1797 error_setg(errp,
1798 "Unable to wake up: guest is not in suspended state");
1799 return;
1800 }
1801 if (!(wakeup_reason_mask & (1 << reason))) {
1802 return;
1803 }
1804 runstate_set(RUN_STATE_RUNNING);
1805 wakeup_reason = reason;
1806 qemu_notify_event();
1807 }
1808
1809 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1810 {
1811 if (enabled) {
1812 wakeup_reason_mask |= (1 << reason);
1813 } else {
1814 wakeup_reason_mask &= ~(1 << reason);
1815 }
1816 }
1817
1818 void qemu_register_wakeup_notifier(Notifier *notifier)
1819 {
1820 notifier_list_add(&wakeup_notifiers, notifier);
1821 }
1822
1823 void qemu_register_wakeup_support(void)
1824 {
1825 wakeup_suspend_enabled = true;
1826 }
1827
1828 bool qemu_wakeup_suspend_enabled(void)
1829 {
1830 return wakeup_suspend_enabled;
1831 }
1832
1833 CurrentMachineParams *qmp_query_current_machine(Error **errp)
1834 {
1835 CurrentMachineParams *params = g_malloc0(sizeof(*params));
1836 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
1837
1838 return params;
1839 }
1840
1841 void qemu_system_killed(int signal, pid_t pid)
1842 {
1843 shutdown_signal = signal;
1844 shutdown_pid = pid;
1845 no_shutdown = 0;
1846
1847 /* Cannot call qemu_system_shutdown_request directly because
1848 * we are in a signal handler.
1849 */
1850 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1851 qemu_notify_event();
1852 }
1853
1854 void qemu_system_shutdown_request(ShutdownCause reason)
1855 {
1856 trace_qemu_system_shutdown_request(reason);
1857 replay_shutdown_request(reason);
1858 shutdown_requested = reason;
1859 qemu_notify_event();
1860 }
1861
1862 static void qemu_system_powerdown(void)
1863 {
1864 qapi_event_send_powerdown();
1865 notifier_list_notify(&powerdown_notifiers, NULL);
1866 }
1867
1868 static void qemu_system_shutdown(ShutdownCause cause)
1869 {
1870 qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
1871 notifier_list_notify(&shutdown_notifiers, &cause);
1872 }
1873
1874 void qemu_system_powerdown_request(void)
1875 {
1876 trace_qemu_system_powerdown_request();
1877 powerdown_requested = 1;
1878 qemu_notify_event();
1879 }
1880
1881 void qemu_register_powerdown_notifier(Notifier *notifier)
1882 {
1883 notifier_list_add(&powerdown_notifiers, notifier);
1884 }
1885
1886 void qemu_register_shutdown_notifier(Notifier *notifier)
1887 {
1888 notifier_list_add(&shutdown_notifiers, notifier);
1889 }
1890
1891 void qemu_system_debug_request(void)
1892 {
1893 debug_requested = 1;
1894 qemu_notify_event();
1895 }
1896
1897 static bool main_loop_should_exit(void)
1898 {
1899 RunState r;
1900 ShutdownCause request;
1901
1902 if (preconfig_exit_requested) {
1903 if (runstate_check(RUN_STATE_PRECONFIG)) {
1904 runstate_set(RUN_STATE_PRELAUNCH);
1905 }
1906 preconfig_exit_requested = false;
1907 return true;
1908 }
1909 if (qemu_debug_requested()) {
1910 vm_stop(RUN_STATE_DEBUG);
1911 }
1912 if (qemu_suspend_requested()) {
1913 qemu_system_suspend();
1914 }
1915 request = qemu_shutdown_requested();
1916 if (request) {
1917 qemu_kill_report();
1918 qemu_system_shutdown(request);
1919 if (no_shutdown) {
1920 vm_stop(RUN_STATE_SHUTDOWN);
1921 } else {
1922 return true;
1923 }
1924 }
1925 request = qemu_reset_requested();
1926 if (request) {
1927 pause_all_vcpus();
1928 qemu_system_reset(request);
1929 resume_all_vcpus();
1930 if (!runstate_check(RUN_STATE_RUNNING) &&
1931 !runstate_check(RUN_STATE_INMIGRATE)) {
1932 runstate_set(RUN_STATE_PRELAUNCH);
1933 }
1934 }
1935 if (qemu_wakeup_requested()) {
1936 pause_all_vcpus();
1937 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1938 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1939 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1940 resume_all_vcpus();
1941 qapi_event_send_wakeup();
1942 }
1943 if (qemu_powerdown_requested()) {
1944 qemu_system_powerdown();
1945 }
1946 if (qemu_vmstop_requested(&r)) {
1947 vm_stop(r);
1948 }
1949 return false;
1950 }
1951
1952 static void main_loop(void)
1953 {
1954 #ifdef CONFIG_PROFILER
1955 int64_t ti;
1956 #endif
1957 while (!main_loop_should_exit()) {
1958 #ifdef CONFIG_PROFILER
1959 ti = profile_getclock();
1960 #endif
1961 main_loop_wait(false);
1962 #ifdef CONFIG_PROFILER
1963 dev_time += profile_getclock() - ti;
1964 #endif
1965 }
1966 }
1967
1968 static void version(void)
1969 {
1970 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1971 QEMU_COPYRIGHT "\n");
1972 }
1973
1974 static void help(int exitcode)
1975 {
1976 version();
1977 printf("usage: %s [options] [disk_image]\n\n"
1978 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1979 error_get_progname());
1980
1981 #define QEMU_OPTIONS_GENERATE_HELP
1982 #include "qemu-options-wrapper.h"
1983
1984 printf("\nDuring emulation, the following keys are useful:\n"
1985 "ctrl-alt-f toggle full screen\n"
1986 "ctrl-alt-n switch to virtual console 'n'\n"
1987 "ctrl-alt toggle mouse and keyboard grab\n"
1988 "\n"
1989 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1990 "\n"
1991 QEMU_HELP_BOTTOM "\n");
1992
1993 exit(exitcode);
1994 }
1995
1996 #define HAS_ARG 0x0001
1997
1998 typedef struct QEMUOption {
1999 const char *name;
2000 int flags;
2001 int index;
2002 uint32_t arch_mask;
2003 } QEMUOption;
2004
2005 static const QEMUOption qemu_options[] = {
2006 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2007 #define QEMU_OPTIONS_GENERATE_OPTIONS
2008 #include "qemu-options-wrapper.h"
2009 { NULL },
2010 };
2011
2012 typedef struct VGAInterfaceInfo {
2013 const char *opt_name; /* option name */
2014 const char *name; /* human-readable name */
2015 /* Class names indicating that support is available.
2016 * If no class is specified, the interface is always available */
2017 const char *class_names[2];
2018 } VGAInterfaceInfo;
2019
2020 static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2021 [VGA_NONE] = {
2022 .opt_name = "none",
2023 .name = "no graphic card",
2024 },
2025 [VGA_STD] = {
2026 .opt_name = "std",
2027 .name = "standard VGA",
2028 .class_names = { "VGA", "isa-vga" },
2029 },
2030 [VGA_CIRRUS] = {
2031 .opt_name = "cirrus",
2032 .name = "Cirrus VGA",
2033 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2034 },
2035 [VGA_VMWARE] = {
2036 .opt_name = "vmware",
2037 .name = "VMWare SVGA",
2038 .class_names = { "vmware-svga" },
2039 },
2040 [VGA_VIRTIO] = {
2041 .opt_name = "virtio",
2042 .name = "Virtio VGA",
2043 .class_names = { "virtio-vga" },
2044 },
2045 [VGA_QXL] = {
2046 .opt_name = "qxl",
2047 .name = "QXL VGA",
2048 .class_names = { "qxl-vga" },
2049 },
2050 [VGA_TCX] = {
2051 .opt_name = "tcx",
2052 .name = "TCX framebuffer",
2053 .class_names = { "SUNW,tcx" },
2054 },
2055 [VGA_CG3] = {
2056 .opt_name = "cg3",
2057 .name = "CG3 framebuffer",
2058 .class_names = { "cgthree" },
2059 },
2060 [VGA_XENFB] = {
2061 .opt_name = "xenfb",
2062 .name = "Xen paravirtualized framebuffer",
2063 },
2064 };
2065
2066 static bool vga_interface_available(VGAInterfaceType t)
2067 {
2068 const VGAInterfaceInfo *ti = &vga_interfaces[t];
2069
2070 assert(t < VGA_TYPE_MAX);
2071 return !ti->class_names[0] ||
2072 object_class_by_name(ti->class_names[0]) ||
2073 object_class_by_name(ti->class_names[1]);
2074 }
2075
2076 static const char *
2077 get_default_vga_model(const MachineClass *machine_class)
2078 {
2079 if (machine_class->default_display) {
2080 return machine_class->default_display;
2081 } else if (vga_interface_available(VGA_CIRRUS)) {
2082 return "cirrus";
2083 } else if (vga_interface_available(VGA_STD)) {
2084 return "std";
2085 }
2086
2087 return NULL;
2088 }
2089
2090 static void select_vgahw(const MachineClass *machine_class, const char *p)
2091 {
2092 const char *opts;
2093 int t;
2094
2095 if (g_str_equal(p, "help")) {
2096 const char *def = get_default_vga_model(machine_class);
2097
2098 for (t = 0; t < VGA_TYPE_MAX; t++) {
2099 const VGAInterfaceInfo *ti = &vga_interfaces[t];
2100
2101 if (vga_interface_available(t) && ti->opt_name) {
2102 printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
2103 g_str_equal(ti->opt_name, def) ? " (default)" : "");
2104 }
2105 }
2106 exit(0);
2107 }
2108
2109 assert(vga_interface_type == VGA_NONE);
2110 for (t = 0; t < VGA_TYPE_MAX; t++) {
2111 const VGAInterfaceInfo *ti = &vga_interfaces[t];
2112 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2113 if (!vga_interface_available(t)) {
2114 error_report("%s not available", ti->name);
2115 exit(1);
2116 }
2117 vga_interface_type = t;
2118 break;
2119 }
2120 }
2121 if (t == VGA_TYPE_MAX) {
2122 invalid_vga:
2123 error_report("unknown vga type: %s", p);
2124 exit(1);
2125 }
2126 while (*opts) {
2127 const char *nextopt;
2128
2129 if (strstart(opts, ",retrace=", &nextopt)) {
2130 opts = nextopt;
2131 if (strstart(opts, "dumb", &nextopt))
2132 vga_retrace_method = VGA_RETRACE_DUMB;
2133 else if (strstart(opts, "precise", &nextopt))
2134 vga_retrace_method = VGA_RETRACE_PRECISE;
2135 else goto invalid_vga;
2136 } else goto invalid_vga;
2137 opts = nextopt;
2138 }
2139 }
2140
2141 static void parse_display_qapi(const char *optarg)
2142 {
2143 DisplayOptions *opts;
2144 Visitor *v;
2145
2146 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2147
2148 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2149 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2150
2151 qapi_free_DisplayOptions(opts);
2152 visit_free(v);
2153 }
2154
2155 DisplayOptions *qmp_query_display_options(Error **errp)
2156 {
2157 return QAPI_CLONE(DisplayOptions, &dpy);
2158 }
2159
2160 static void parse_display(const char *p)
2161 {
2162 const char *opts;
2163
2164 if (strstart(p, "sdl", &opts)) {
2165 /*
2166 * sdl DisplayType needs hand-crafted parser instead of
2167 * parse_display_qapi() due to some options not in
2168 * DisplayOptions, specifically:
2169 * - frame
2170 * Already deprecated.
2171 * - ctrl_grab + alt_grab
2172 * Not clear yet what happens to them long-term. Should
2173 * replaced by something better or deprecated and dropped.
2174 */
2175 dpy.type = DISPLAY_TYPE_SDL;
2176 while (*opts) {
2177 const char *nextopt;
2178
2179 if (strstart(opts, ",alt_grab=", &nextopt)) {
2180 opts = nextopt;
2181 if (strstart(opts, "on", &nextopt)) {
2182 alt_grab = 1;
2183 } else if (strstart(opts, "off", &nextopt)) {
2184 alt_grab = 0;
2185 } else {
2186 goto invalid_sdl_args;
2187 }
2188 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2189 opts = nextopt;
2190 if (strstart(opts, "on", &nextopt)) {
2191 ctrl_grab = 1;
2192 } else if (strstart(opts, "off", &nextopt)) {
2193 ctrl_grab = 0;
2194 } else {
2195 goto invalid_sdl_args;
2196 }
2197 } else if (strstart(opts, ",window_close=", &nextopt)) {
2198 opts = nextopt;
2199 dpy.has_window_close = true;
2200 if (strstart(opts, "on", &nextopt)) {
2201 dpy.window_close = true;
2202 } else if (strstart(opts, "off", &nextopt)) {
2203 dpy.window_close = false;
2204 } else {
2205 goto invalid_sdl_args;
2206 }
2207 } else if (strstart(opts, ",gl=", &nextopt)) {
2208 opts = nextopt;
2209 dpy.has_gl = true;
2210 if (strstart(opts, "on", &nextopt)) {
2211 dpy.gl = DISPLAYGL_MODE_ON;
2212 } else if (strstart(opts, "core", &nextopt)) {
2213 dpy.gl = DISPLAYGL_MODE_CORE;
2214 } else if (strstart(opts, "es", &nextopt)) {
2215 dpy.gl = DISPLAYGL_MODE_ES;
2216 } else if (strstart(opts, "off", &nextopt)) {
2217 dpy.gl = DISPLAYGL_MODE_OFF;
2218 } else {
2219 goto invalid_sdl_args;
2220 }
2221 } else {
2222 invalid_sdl_args:
2223 error_report("invalid SDL option string");
2224 exit(1);
2225 }
2226 opts = nextopt;
2227 }
2228 } else if (strstart(p, "vnc", &opts)) {
2229 /*
2230 * vnc isn't a (local) DisplayType but a protocol for remote
2231 * display access.
2232 */
2233 if (*opts == '=') {
2234 vnc_parse(opts + 1, &error_fatal);
2235 } else {
2236 error_report("VNC requires a display argument vnc=<display>");
2237 exit(1);
2238 }
2239 } else {
2240 parse_display_qapi(p);
2241 }
2242 }
2243
2244 char *qemu_find_file(int type, const char *name)
2245 {
2246 int i;
2247 const char *subdir;
2248 char *buf;
2249
2250 /* Try the name as a straight path first */
2251 if (access(name, R_OK) == 0) {
2252 trace_load_file(name, name);
2253 return g_strdup(name);
2254 }
2255
2256 switch (type) {
2257 case QEMU_FILE_TYPE_BIOS:
2258 subdir = "";
2259 break;
2260 case QEMU_FILE_TYPE_KEYMAP:
2261 subdir = "keymaps/";
2262 break;
2263 default:
2264 abort();
2265 }
2266
2267 for (i = 0; i < data_dir_idx; i++) {
2268 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2269 if (access(buf, R_OK) == 0) {
2270 trace_load_file(name, buf);
2271 return buf;
2272 }
2273 g_free(buf);
2274 }
2275 return NULL;
2276 }
2277
2278 static void qemu_add_data_dir(const char *path)
2279 {
2280 int i;
2281
2282 if (path == NULL) {
2283 return;
2284 }
2285 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2286 return;
2287 }
2288 for (i = 0; i < data_dir_idx; i++) {
2289 if (strcmp(data_dir[i], path) == 0) {
2290 return; /* duplicate */
2291 }
2292 }
2293 data_dir[data_dir_idx++] = g_strdup(path);
2294 }
2295
2296 static inline bool nonempty_str(const char *str)
2297 {
2298 return str && *str;
2299 }
2300
2301 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 gchar *buf;
2304 size_t size;
2305 const char *name, *file, *str;
2306 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2307
2308 if (fw_cfg == NULL) {
2309 error_setg(errp, "fw_cfg device not available");
2310 return -1;
2311 }
2312 name = qemu_opt_get(opts, "name");
2313 file = qemu_opt_get(opts, "file");
2314 str = qemu_opt_get(opts, "string");
2315
2316 /* we need name and either a file or the content string */
2317 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2318 error_setg(errp, "invalid argument(s)");
2319 return -1;
2320 }
2321 if (nonempty_str(file) && nonempty_str(str)) {
2322 error_setg(errp, "file and string are mutually exclusive");
2323 return -1;
2324 }
2325 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2326 error_setg(errp, "name too long (max. %d char)",
2327 FW_CFG_MAX_FILE_PATH - 1);
2328 return -1;
2329 }
2330 if (strncmp(name, "opt/", 4) != 0) {
2331 warn_report("externally provided fw_cfg item names "
2332 "should be prefixed with \"opt/\"");
2333 }
2334 if (nonempty_str(str)) {
2335 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2336 buf = g_memdup(str, size);
2337 } else {
2338 GError *err = NULL;
2339 if (!g_file_get_contents(file, &buf, &size, &err)) {
2340 error_setg(errp, "can't load %s: %s", file, err->message);
2341 g_error_free(err);
2342 return -1;
2343 }
2344 }
2345 /* For legacy, keep user files in a specific global order. */
2346 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2347 fw_cfg_add_file(fw_cfg, name, buf, size);
2348 fw_cfg_reset_order_override(fw_cfg);
2349 return 0;
2350 }
2351
2352 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2353 {
2354 return qdev_device_help(opts);
2355 }
2356
2357 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2358 {
2359 DeviceState *dev;
2360
2361 dev = qdev_device_add(opts, errp);
2362 if (!dev) {
2363 return -1;
2364 }
2365 object_unref(OBJECT(dev));
2366 return 0;
2367 }
2368
2369 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2370 {
2371 Error *local_err = NULL;
2372
2373 if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
2374 if (local_err) {
2375 error_propagate(errp, local_err);
2376 return -1;
2377 }
2378 exit(0);
2379 }
2380 return 0;
2381 }
2382
2383 #ifdef CONFIG_VIRTFS
2384 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2385 {
2386 return qemu_fsdev_add(opts, errp);
2387 }
2388 #endif
2389
2390 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2391 {
2392 Chardev *chr;
2393 const char *chardev;
2394 const char *mode;
2395 int flags;
2396
2397 mode = qemu_opt_get(opts, "mode");
2398 if (mode == NULL) {
2399 mode = "readline";
2400 }
2401 if (strcmp(mode, "readline") == 0) {
2402 flags = MONITOR_USE_READLINE;
2403 } else if (strcmp(mode, "control") == 0) {
2404 flags = MONITOR_USE_CONTROL;
2405 } else {
2406 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2407 return -1;
2408 }
2409
2410 if (qemu_opt_get_bool(opts, "pretty", 0))
2411 flags |= MONITOR_USE_PRETTY;
2412
2413 chardev = qemu_opt_get(opts, "chardev");
2414 if (!chardev) {
2415 error_report("chardev is required");
2416 exit(1);
2417 }
2418 chr = qemu_chr_find(chardev);
2419 if (chr == NULL) {
2420 error_setg(errp, "chardev \"%s\" not found", chardev);
2421 return -1;
2422 }
2423
2424 monitor_init(chr, flags);
2425 return 0;
2426 }
2427
2428 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2429 {
2430 static int monitor_device_index = 0;
2431 QemuOpts *opts;
2432 const char *p;
2433 char label[32];
2434
2435 if (strstart(optarg, "chardev:", &p)) {
2436 snprintf(label, sizeof(label), "%s", p);
2437 } else {
2438 snprintf(label, sizeof(label), "compat_monitor%d",
2439 monitor_device_index);
2440 opts = qemu_chr_parse_compat(label, optarg, true);
2441 if (!opts) {
2442 error_report("parse error: %s", optarg);
2443 exit(1);
2444 }
2445 }
2446
2447 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2448 qemu_opt_set(opts, "mode", mode, &error_abort);
2449 qemu_opt_set(opts, "chardev", label, &error_abort);
2450 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2451 monitor_device_index++;
2452 }
2453
2454 struct device_config {
2455 enum {
2456 DEV_USB, /* -usbdevice */
2457 DEV_BT, /* -bt */
2458 DEV_SERIAL, /* -serial */
2459 DEV_PARALLEL, /* -parallel */
2460 DEV_DEBUGCON, /* -debugcon */
2461 DEV_GDB, /* -gdb, -s */
2462 DEV_SCLP, /* s390 sclp */
2463 } type;
2464 const char *cmdline;
2465 Location loc;
2466 QTAILQ_ENTRY(device_config) next;
2467 };
2468
2469 static QTAILQ_HEAD(, device_config) device_configs =
2470 QTAILQ_HEAD_INITIALIZER(device_configs);
2471
2472 static void add_device_config(int type, const char *cmdline)
2473 {
2474 struct device_config *conf;
2475
2476 conf = g_malloc0(sizeof(*conf));
2477 conf->type = type;
2478 conf->cmdline = cmdline;
2479 loc_save(&conf->loc);
2480 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2481 }
2482
2483 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2484 {
2485 struct device_config *conf;
2486 int rc;
2487
2488 QTAILQ_FOREACH(conf, &device_configs, next) {
2489 if (conf->type != type)
2490 continue;
2491 loc_push_restore(&conf->loc);
2492 rc = func(conf->cmdline);
2493 loc_pop(&conf->loc);
2494 if (rc) {
2495 return rc;
2496 }
2497 }
2498 return 0;
2499 }
2500
2501 static int serial_parse(const char *devname)
2502 {
2503 int index = num_serial_hds;
2504 char label[32];
2505
2506 if (strcmp(devname, "none") == 0)
2507 return 0;
2508 snprintf(label, sizeof(label), "serial%d", index);
2509 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2510
2511 serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2512 if (!serial_hds[index]) {
2513 error_report("could not connect serial device"
2514 " to character backend '%s'", devname);
2515 return -1;
2516 }
2517 num_serial_hds++;
2518 return 0;
2519 }
2520
2521 Chardev *serial_hd(int i)
2522 {
2523 assert(i >= 0);
2524 if (i < num_serial_hds) {
2525 return serial_hds[i];
2526 }
2527 return NULL;
2528 }
2529
2530 int serial_max_hds(void)
2531 {
2532 return num_serial_hds;
2533 }
2534
2535 static int parallel_parse(const char *devname)
2536 {
2537 static int index = 0;
2538 char label[32];
2539
2540 if (strcmp(devname, "none") == 0)
2541 return 0;
2542 if (index == MAX_PARALLEL_PORTS) {
2543 error_report("too many parallel ports");
2544 exit(1);
2545 }
2546 snprintf(label, sizeof(label), "parallel%d", index);
2547 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
2548 if (!parallel_hds[index]) {
2549 error_report("could not connect parallel device"
2550 " to character backend '%s'", devname);
2551 return -1;
2552 }
2553 index++;
2554 return 0;
2555 }
2556
2557 static int debugcon_parse(const char *devname)
2558 {
2559 QemuOpts *opts;
2560
2561 if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
2562 error_report("invalid character backend '%s'", devname);
2563 exit(1);
2564 }
2565 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2566 if (!opts) {
2567 error_report("already have a debugcon device");
2568 exit(1);
2569 }
2570 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2571 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2572 return 0;
2573 }
2574
2575 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2576 {
2577 const MachineClass *mc1 = a, *mc2 = b;
2578 int res;
2579
2580 if (mc1->family == NULL) {
2581 if (mc2->family == NULL) {
2582 /* Compare standalone machine types against each other; they sort
2583 * in increasing order.
2584 */
2585 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2586 object_class_get_name(OBJECT_CLASS(mc2)));
2587 }
2588
2589 /* Standalone machine types sort after families. */
2590 return 1;
2591 }
2592
2593 if (mc2->family == NULL) {
2594 /* Families sort before standalone machine types. */
2595 return -1;
2596 }
2597
2598 /* Families sort between each other alphabetically increasingly. */
2599 res = strcmp(mc1->family, mc2->family);
2600 if (res != 0) {
2601 return res;
2602 }
2603
2604 /* Within the same family, machine types sort in decreasing order. */
2605 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2606 object_class_get_name(OBJECT_CLASS(mc1)));
2607 }
2608
2609 static MachineClass *machine_parse(const char *name, GSList *machines)
2610 {
2611 MachineClass *mc;
2612 GSList *el;
2613
2614 if (is_help_option(name)) {
2615 printf("Supported machines are:\n");
2616 machines = g_slist_sort(machines, machine_class_cmp);
2617 for (el = machines; el; el = el->next) {
2618 MachineClass *mc = el->data;
2619 if (mc->alias) {
2620 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2621 }
2622 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2623 mc->is_default ? " (default)" : "",
2624 mc->deprecation_reason ? " (deprecated)" : "");
2625 }
2626 exit(0);
2627 }
2628
2629 mc = find_machine(name, machines);
2630 if (!mc) {
2631 error_report("unsupported machine type");
2632 error_printf("Use -machine help to list supported machines\n");
2633 exit(1);
2634 }
2635 return mc;
2636 }
2637
2638 void qemu_add_exit_notifier(Notifier *notify)
2639 {
2640 notifier_list_add(&exit_notifiers, notify);
2641 }
2642
2643 void qemu_remove_exit_notifier(Notifier *notify)
2644 {
2645 notifier_remove(notify);
2646 }
2647
2648 static void qemu_run_exit_notifiers(void)
2649 {
2650 notifier_list_notify(&exit_notifiers, NULL);
2651 }
2652
2653 static const char *pid_file;
2654 static Notifier qemu_unlink_pidfile_notifier;
2655
2656 static void qemu_unlink_pidfile(Notifier *n, void *data)
2657 {
2658 if (pid_file) {
2659 unlink(pid_file);
2660 }
2661 }
2662
2663 bool machine_init_done;
2664
2665 void qemu_add_machine_init_done_notifier(Notifier *notify)
2666 {
2667 notifier_list_add(&machine_init_done_notifiers, notify);
2668 if (machine_init_done) {
2669 notify->notify(notify, NULL);
2670 }
2671 }
2672
2673 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2674 {
2675 notifier_remove(notify);
2676 }
2677
2678 static void qemu_run_machine_init_done_notifiers(void)
2679 {
2680 machine_init_done = true;
2681 notifier_list_notify(&machine_init_done_notifiers, NULL);
2682 }
2683
2684 static const QEMUOption *lookup_opt(int argc, char **argv,
2685 const char **poptarg, int *poptind)
2686 {
2687 const QEMUOption *popt;
2688 int optind = *poptind;
2689 char *r = argv[optind];
2690 const char *optarg;
2691
2692 loc_set_cmdline(argv, optind, 1);
2693 optind++;
2694 /* Treat --foo the same as -foo. */
2695 if (r[1] == '-')
2696 r++;
2697 popt = qemu_options;
2698 for(;;) {
2699 if (!popt->name) {
2700 error_report("invalid option");
2701 exit(1);
2702 }
2703 if (!strcmp(popt->name, r + 1))
2704 break;
2705 popt++;
2706 }
2707 if (popt->flags & HAS_ARG) {
2708 if (optind >= argc) {
2709 error_report("requires an argument");
2710 exit(1);
2711 }
2712 optarg = argv[optind++];
2713 loc_set_cmdline(argv, optind - 2, 2);
2714 } else {
2715 optarg = NULL;
2716 }
2717
2718 *poptarg = optarg;
2719 *poptind = optind;
2720
2721 return popt;
2722 }
2723
2724 static MachineClass *select_machine(void)
2725 {
2726 GSList *machines = object_class_get_list(TYPE_MACHINE, false);
2727 MachineClass *machine_class = find_default_machine(machines);
2728 const char *optarg;
2729 QemuOpts *opts;
2730 Location loc;
2731
2732 loc_push_none(&loc);
2733
2734 opts = qemu_get_machine_opts();
2735 qemu_opts_loc_restore(opts);
2736
2737 optarg = qemu_opt_get(opts, "type");
2738 if (optarg) {
2739 machine_class = machine_parse(optarg, machines);
2740 }
2741
2742 if (!machine_class) {
2743 error_report("No machine specified, and there is no default");
2744 error_printf("Use -machine help to list supported machines\n");
2745 exit(1);
2746 }
2747
2748 loc_pop(&loc);
2749 g_slist_free(machines);
2750 return machine_class;
2751 }
2752
2753 static int machine_set_property(void *opaque,
2754 const char *name, const char *value,
2755 Error **errp)
2756 {
2757 Object *obj = OBJECT(opaque);
2758 Error *local_err = NULL;
2759 char *p, *qom_name;
2760
2761 if (strcmp(name, "type") == 0) {
2762 return 0;
2763 }
2764
2765 qom_name = g_strdup(name);
2766 for (p = qom_name; *p; p++) {
2767 if (*p == '_') {
2768 *p = '-';
2769 }
2770 }
2771
2772 object_property_parse(obj, value, qom_name, &local_err);
2773 g_free(qom_name);
2774
2775 if (local_err) {
2776 error_propagate(errp, local_err);
2777 return -1;
2778 }
2779
2780 return 0;
2781 }
2782
2783
2784 /*
2785 * Initial object creation happens before all other
2786 * QEMU data types are created. The majority of objects
2787 * can be created at this point. The rng-egd object
2788 * cannot be created here, as it depends on the chardev
2789 * already existing.
2790 */
2791 static bool object_create_initial(const char *type, QemuOpts *opts)
2792 {
2793 ObjectClass *klass;
2794
2795 if (is_help_option(type)) {
2796 GSList *l, *list;
2797
2798 printf("List of user creatable objects:\n");
2799 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2800 for (l = list; l != NULL; l = l->next) {
2801 ObjectClass *oc = OBJECT_CLASS(l->data);
2802 printf(" %s\n", object_class_get_name(oc));
2803 }
2804 g_slist_free(list);
2805 exit(0);
2806 }
2807
2808 klass = object_class_by_name(type);
2809 if (klass && qemu_opt_has_help_opt(opts)) {
2810 ObjectPropertyIterator iter;
2811 ObjectProperty *prop;
2812 GPtrArray *array = g_ptr_array_new();
2813 int i;
2814
2815 object_class_property_iter_init(&iter, klass);
2816 while ((prop = object_property_iter_next(&iter))) {
2817 GString *str;
2818
2819 if (!prop->set) {
2820 continue;
2821 }
2822
2823 str = g_string_new(NULL);
2824 g_string_append_printf(str, " %s=<%s>", prop->name, prop->type);
2825 if (prop->description) {
2826 if (str->len < 24) {
2827 g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
2828 }
2829 g_string_append_printf(str, " - %s", prop->description);
2830 }
2831 g_ptr_array_add(array, g_string_free(str, false));
2832 }
2833 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2834 if (array->len > 0) {
2835 printf("%s options:\n", type);
2836 } else {
2837 printf("There are no options for %s.\n", type);
2838 }
2839 for (i = 0; i < array->len; i++) {
2840 printf("%s\n", (char *)array->pdata[i]);
2841 }
2842 g_ptr_array_set_free_func(array, g_free);
2843 g_ptr_array_free(array, true);
2844 exit(0);
2845 }
2846
2847 if (g_str_equal(type, "rng-egd") ||
2848 g_str_has_prefix(type, "pr-manager-")) {
2849 return false;
2850 }
2851
2852 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2853 if (g_str_equal(type, "cryptodev-vhost-user")) {
2854 return false;
2855 }
2856 #endif
2857
2858 /*
2859 * return false for concrete netfilters since
2860 * they depend on netdevs already existing
2861 */
2862 if (g_str_equal(type, "filter-buffer") ||
2863 g_str_equal(type, "filter-dump") ||
2864 g_str_equal(type, "filter-mirror") ||
2865 g_str_equal(type, "filter-redirector") ||
2866 g_str_equal(type, "colo-compare") ||
2867 g_str_equal(type, "filter-rewriter") ||
2868 g_str_equal(type, "filter-replay")) {
2869 return false;
2870 }
2871
2872 /* Memory allocation by backends needs to be done
2873 * after configure_accelerator() (due to the tcg_enabled()
2874 * checks at memory_region_init_*()).
2875 *
2876 * Also, allocation of large amounts of memory may delay
2877 * chardev initialization for too long, and trigger timeouts
2878 * on software that waits for a monitor socket to be created
2879 * (e.g. libvirt).
2880 */
2881 if (g_str_has_prefix(type, "memory-backend-")) {
2882 return false;
2883 }
2884
2885 return true;
2886 }
2887
2888
2889 /*
2890 * The remainder of object creation happens after the
2891 * creation of chardev, fsdev, net clients and device data types.
2892 */
2893 static bool object_create_delayed(const char *type, QemuOpts *opts)
2894 {
2895 return !object_create_initial(type, opts);
2896 }
2897
2898
2899 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2900 MachineClass *mc)
2901 {
2902 uint64_t sz;
2903 const char *mem_str;
2904 const ram_addr_t default_ram_size = mc->default_ram_size;
2905 QemuOpts *opts = qemu_find_opts_singleton("memory");
2906 Location loc;
2907
2908 loc_push_none(&loc);
2909 qemu_opts_loc_restore(opts);
2910
2911 sz = 0;
2912 mem_str = qemu_opt_get(opts, "size");
2913 if (mem_str) {
2914 if (!*mem_str) {
2915 error_report("missing 'size' option value");
2916 exit(EXIT_FAILURE);
2917 }
2918
2919 sz = qemu_opt_get_size(opts, "size", ram_size);
2920
2921 /* Fix up legacy suffix-less format */
2922 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2923 uint64_t overflow_check = sz;
2924
2925 sz *= MiB;
2926 if (sz / MiB != overflow_check) {
2927 error_report("too large 'size' option value");
2928 exit(EXIT_FAILURE);
2929 }
2930 }
2931 }
2932
2933 /* backward compatibility behaviour for case "-m 0" */
2934 if (sz == 0) {
2935 sz = default_ram_size;
2936 }
2937
2938 sz = QEMU_ALIGN_UP(sz, 8192);
2939 ram_size = sz;
2940 if (ram_size != sz) {
2941 error_report("ram size too large");
2942 exit(EXIT_FAILURE);
2943 }
2944
2945 /* store value for the future use */
2946 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2947 *maxram_size = ram_size;
2948
2949 if (qemu_opt_get(opts, "maxmem")) {
2950 uint64_t slots;
2951
2952 sz = qemu_opt_get_size(opts, "maxmem", 0);
2953 slots = qemu_opt_get_number(opts, "slots", 0);
2954 if (sz < ram_size) {
2955 error_report("invalid value of -m option maxmem: "
2956 "maximum memory size (0x%" PRIx64 ") must be at least "
2957 "the initial memory size (0x" RAM_ADDR_FMT ")",
2958 sz, ram_size);
2959 exit(EXIT_FAILURE);
2960 } else if (slots && sz == ram_size) {
2961 error_report("invalid value of -m option maxmem: "
2962 "memory slots were specified but maximum memory size "
2963 "(0x%" PRIx64 ") is equal to the initial memory size "
2964 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2965 exit(EXIT_FAILURE);
2966 }
2967
2968 *maxram_size = sz;
2969 *ram_slots = slots;
2970 } else if (qemu_opt_get(opts, "slots")) {
2971 error_report("invalid -m option value: missing 'maxmem' option");
2972 exit(EXIT_FAILURE);
2973 }
2974
2975 loc_pop(&loc);
2976 }
2977
2978 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2979 {
2980 GlobalProperty *g;
2981
2982 g = g_malloc0(sizeof(*g));
2983 g->driver = qemu_opt_get(opts, "driver");
2984 g->property = qemu_opt_get(opts, "property");
2985 g->value = qemu_opt_get(opts, "value");
2986 qdev_prop_register_global(g);
2987 return 0;
2988 }
2989
2990 static int qemu_read_default_config_file(void)
2991 {
2992 int ret;
2993
2994 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2995 if (ret < 0 && ret != -ENOENT) {
2996 return ret;
2997 }
2998
2999 return 0;
3000 }
3001
3002 static void user_register_global_props(void)
3003 {
3004 qemu_opts_foreach(qemu_find_opts("global"),
3005 global_init_func, NULL, NULL);
3006 }
3007
3008 int main(int argc, char **argv, char **envp)
3009 {
3010 int i;
3011 int snapshot, linux_boot;
3012 const char *initrd_filename;
3013 const char *kernel_filename, *kernel_cmdline;
3014 const char *boot_order = NULL;
3015 const char *boot_once = NULL;
3016 DisplayState *ds;
3017 QemuOpts *opts, *machine_opts;
3018 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
3019 QemuOptsList *olist;
3020 int optind;
3021 const char *optarg;
3022 const char *loadvm = NULL;
3023 MachineClass *machine_class;
3024 const char *cpu_option;
3025 const char *vga_model = NULL;
3026 const char *qtest_chrdev = NULL;
3027 const char *qtest_log = NULL;
3028 const char *incoming = NULL;
3029 bool userconfig = true;
3030 bool nographic = false;
3031 int display_remote = 0;
3032 const char *log_mask = NULL;
3033 const char *log_file = NULL;
3034 char *trace_file = NULL;
3035 ram_addr_t maxram_size;
3036 uint64_t ram_slots = 0;
3037 FILE *vmstate_dump_file = NULL;
3038 Error *main_loop_err = NULL;
3039 Error *err = NULL;
3040 bool list_data_dirs = false;
3041 char *dir, **dirs;
3042 BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3043
3044 error_init(argv[0]);
3045 module_call_init(MODULE_INIT_TRACE);
3046
3047 qemu_init_cpu_list();
3048 qemu_init_cpu_loop();
3049
3050 qemu_mutex_lock_iothread();
3051
3052 atexit(qemu_run_exit_notifiers);
3053 qemu_init_exec_dir(argv[0]);
3054
3055 module_call_init(MODULE_INIT_QOM);
3056
3057 qemu_add_opts(&qemu_drive_opts);
3058 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3059 qemu_add_drive_opts(&qemu_common_drive_opts);
3060 qemu_add_drive_opts(&qemu_drive_opts);
3061 qemu_add_drive_opts(&bdrv_runtime_opts);
3062 qemu_add_opts(&qemu_chardev_opts);
3063 qemu_add_opts(&qemu_device_opts);
3064 qemu_add_opts(&qemu_netdev_opts);
3065 qemu_add_opts(&qemu_nic_opts);
3066 qemu_add_opts(&qemu_net_opts);
3067 qemu_add_opts(&qemu_rtc_opts);
3068 qemu_add_opts(&qemu_global_opts);
3069 qemu_add_opts(&qemu_mon_opts);
3070 qemu_add_opts(&qemu_trace_opts);
3071 qemu_add_opts(&qemu_option_rom_opts);
3072 qemu_add_opts(&qemu_machine_opts);
3073 qemu_add_opts(&qemu_accel_opts);
3074 qemu_add_opts(&qemu_mem_opts);
3075 qemu_add_opts(&qemu_smp_opts);
3076 qemu_add_opts(&qemu_boot_opts);
3077 qemu_add_opts(&qemu_add_fd_opts);
3078 qemu_add_opts(&qemu_object_opts);
3079 qemu_add_opts(&qemu_tpmdev_opts);
3080 qemu_add_opts(&qemu_realtime_opts);
3081 qemu_add_opts(&qemu_overcommit_opts);
3082 qemu_add_opts(&qemu_msg_opts);
3083 qemu_add_opts(&qemu_name_opts);
3084 qemu_add_opts(&qemu_numa_opts);
3085 qemu_add_opts(&qemu_icount_opts);
3086 qemu_add_opts(&qemu_semihosting_config_opts);
3087 qemu_add_opts(&qemu_fw_cfg_opts);
3088 module_call_init(MODULE_INIT_OPTS);
3089
3090 runstate_init();
3091 precopy_infrastructure_init();
3092 postcopy_infrastructure_init();
3093 monitor_init_globals();
3094
3095 if (qcrypto_init(&err) < 0) {
3096 error_reportf_err(err, "cannot initialize crypto: ");
3097 exit(1);
3098 }
3099
3100 QLIST_INIT (&vm_change_state_head);
3101 os_setup_early_signal_handling();
3102
3103 cpu_option = NULL;
3104 snapshot = 0;
3105
3106 nb_nics = 0;
3107
3108 bdrv_init_with_whitelist();
3109
3110 autostart = 1;
3111
3112 /* first pass of option parsing */
3113 optind = 1;
3114 while (optind < argc) {
3115 if (argv[optind][0] != '-') {
3116 /* disk image */
3117 optind++;
3118 } else {
3119 const QEMUOption *popt;
3120
3121 popt = lookup_opt(argc, argv, &optarg, &optind);
3122 switch (popt->index) {
3123 case QEMU_OPTION_nouserconfig:
3124 userconfig = false;
3125 break;
3126 }
3127 }
3128 }
3129
3130 if (userconfig) {
3131 if (qemu_read_default_config_file() < 0) {
3132 exit(1);
3133 }
3134 }
3135
3136 /* second pass of option parsing */
3137 optind = 1;
3138 for(;;) {
3139 if (optind >= argc)
3140 break;
3141 if (argv[optind][0] != '-') {
3142 loc_set_cmdline(argv, optind, 1);
3143 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3144 } else {
3145 const QEMUOption *popt;
3146
3147 popt = lookup_opt(argc, argv, &optarg, &optind);
3148 if (!(popt->arch_mask & arch_type)) {
3149 error_report("Option not supported for this target");
3150 exit(1);
3151 }
3152 switch(popt->index) {
3153 case QEMU_OPTION_cpu:
3154 /* hw initialization will check this */
3155 cpu_option = optarg;
3156 break;
3157 case QEMU_OPTION_hda:
3158 case QEMU_OPTION_hdb:
3159 case QEMU_OPTION_hdc:
3160 case QEMU_OPTION_hdd:
3161 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3162 HD_OPTS);
3163 break;
3164 case QEMU_OPTION_blockdev:
3165 {
3166 Visitor *v;
3167 BlockdevOptionsQueueEntry *bdo;
3168
3169 v = qobject_input_visitor_new_str(optarg, "driver",
3170 &error_fatal);
3171
3172 bdo = g_new(BlockdevOptionsQueueEntry, 1);
3173 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3174 &error_fatal);
3175 visit_free(v);
3176 loc_save(&bdo->loc);
3177 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3178 break;
3179 }
3180 case QEMU_OPTION_drive:
3181 if (drive_def(optarg) == NULL) {
3182 exit(1);
3183 }
3184 break;
3185 case QEMU_OPTION_set:
3186 if (qemu_set_option(optarg) != 0)
3187 exit(1);
3188 break;
3189 case QEMU_OPTION_global:
3190 if (qemu_global_option(optarg) != 0)
3191 exit(1);
3192 break;
3193 case QEMU_OPTION_mtdblock:
3194 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3195 break;
3196 case QEMU_OPTION_sd:
3197 drive_add(IF_SD, -1, optarg, SD_OPTS);
3198 break;
3199 case QEMU_OPTION_pflash:
3200 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3201 break;
3202 case QEMU_OPTION_snapshot:
3203 snapshot = 1;
3204 break;
3205 case QEMU_OPTION_numa:
3206 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3207 optarg, true);
3208 if (!opts) {
3209 exit(1);
3210 }
3211 break;
3212 case QEMU_OPTION_display:
3213 parse_display(optarg);
3214 break;
3215 case QEMU_OPTION_nographic:
3216 olist = qemu_find_opts("machine");
3217 qemu_opts_parse_noisily(olist, "graphics=off", false);
3218 nographic = true;
3219 dpy.type = DISPLAY_TYPE_NONE;
3220 break;
3221 case QEMU_OPTION_curses:
3222 #ifdef CONFIG_CURSES
3223 dpy.type = DISPLAY_TYPE_CURSES;
3224 #else
3225 error_report("curses or iconv support is disabled");
3226 exit(1);
3227 #endif
3228 break;
3229 case QEMU_OPTION_portrait:
3230 graphic_rotate = 90;
3231 break;
3232 case QEMU_OPTION_rotate:
3233 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3234 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3235 graphic_rotate != 180 && graphic_rotate != 270) {
3236 error_report("only 90, 180, 270 deg rotation is available");
3237 exit(1);
3238 }
3239 break;
3240 case QEMU_OPTION_kernel:
3241 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3242 &error_abort);
3243 break;
3244 case QEMU_OPTION_initrd:
3245 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3246 &error_abort);
3247 break;
3248 case QEMU_OPTION_append:
3249 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3250 &error_abort);
3251 break;
3252 case QEMU_OPTION_dtb:
3253 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3254 &error_abort);
3255 break;
3256 case QEMU_OPTION_cdrom:
3257 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3258 break;
3259 case QEMU_OPTION_boot:
3260 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3261 optarg, true);
3262 if (!opts) {
3263 exit(1);
3264 }
3265 break;
3266 case QEMU_OPTION_fda:
3267 case QEMU_OPTION_fdb:
3268 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3269 optarg, FD_OPTS);
3270 break;
3271 case QEMU_OPTION_no_fd_bootchk:
3272 fd_bootchk = 0;
3273 break;
3274 case QEMU_OPTION_netdev:
3275 default_net = 0;
3276 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3277 exit(1);
3278 }
3279 break;
3280 case QEMU_OPTION_nic:
3281 default_net = 0;
3282 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3283 exit(1);
3284 }
3285 break;
3286 case QEMU_OPTION_net:
3287 default_net = 0;
3288 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3289 exit(1);
3290 }
3291 break;
3292 #ifdef CONFIG_LIBISCSI
3293 case QEMU_OPTION_iscsi:
3294 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3295 optarg, false);
3296 if (!opts) {
3297 exit(1);
3298 }
3299 break;
3300 #endif
3301 case QEMU_OPTION_bt:
3302 warn_report("The bluetooth subsystem is deprecated and will "
3303 "be removed soon. If the bluetooth subsystem is "
3304 "still useful for you, please send a mail to "
3305 "qemu-devel@nongnu.org with your usecase.");
3306 add_device_config(DEV_BT, optarg);
3307 break;
3308 case QEMU_OPTION_audio_help:
3309 audio_legacy_help();
3310 exit (0);
3311 break;
3312 case QEMU_OPTION_audiodev:
3313 audio_parse_option(optarg);
3314 break;
3315 case QEMU_OPTION_soundhw:
3316 select_soundhw (optarg);
3317 break;
3318 case QEMU_OPTION_h:
3319 help(0);
3320 break;
3321 case QEMU_OPTION_version:
3322 version();
3323 exit(0);
3324 break;
3325 case QEMU_OPTION_m:
3326 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3327 optarg, true);
3328 if (!opts) {
3329 exit(EXIT_FAILURE);
3330 }
3331 break;
3332 #ifdef CONFIG_TPM
3333 case QEMU_OPTION_tpmdev:
3334 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3335 exit(1);
3336 }
3337 break;
3338 #endif
3339 case QEMU_OPTION_mempath:
3340 mem_path = optarg;
3341 break;
3342 case QEMU_OPTION_mem_prealloc:
3343 mem_prealloc = 1;
3344 break;
3345 case QEMU_OPTION_d:
3346 log_mask = optarg;
3347 break;
3348 case QEMU_OPTION_D:
3349 log_file = optarg;
3350 break;
3351 case QEMU_OPTION_DFILTER:
3352 qemu_set_dfilter_ranges(optarg, &error_fatal);
3353 break;
3354 case QEMU_OPTION_seed:
3355 qemu_guest_random_seed_main(optarg, &error_fatal);
3356 break;
3357 case QEMU_OPTION_s:
3358 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3359 break;
3360 case QEMU_OPTION_gdb:
3361 add_device_config(DEV_GDB, optarg);
3362 break;
3363 case QEMU_OPTION_L:
3364 if (is_help_option(optarg)) {
3365 list_data_dirs = true;
3366 } else {
3367 qemu_add_data_dir(optarg);
3368 }
3369 break;
3370 case QEMU_OPTION_bios:
3371 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3372 &error_abort);
3373 break;
3374 case QEMU_OPTION_singlestep:
3375 singlestep = 1;
3376 break;
3377 case QEMU_OPTION_S:
3378 autostart = 0;
3379 break;
3380 case QEMU_OPTION_k:
3381 keyboard_layout = optarg;
3382 break;
3383 case QEMU_OPTION_vga:
3384 vga_model = optarg;
3385 default_vga = 0;
3386 break;
3387 case QEMU_OPTION_g:
3388 {
3389 const char *p;
3390 int w, h, depth;
3391 p = optarg;
3392 w = strtol(p, (char **)&p, 10);
3393 if (w <= 0) {
3394 graphic_error:
3395 error_report("invalid resolution or depth");
3396 exit(1);
3397 }
3398 if (*p != 'x')
3399 goto graphic_error;
3400 p++;
3401 h = strtol(p, (char **)&p, 10);
3402 if (h <= 0)
3403 goto graphic_error;
3404 if (*p == 'x') {
3405 p++;
3406 depth = strtol(p, (char **)&p, 10);
3407 if (depth != 8 && depth != 15 && depth != 16 &&
3408 depth != 24 && depth != 32)
3409 goto graphic_error;
3410 } else if (*p == '\0') {
3411 depth = graphic_depth;
3412 } else {
3413 goto graphic_error;
3414 }
3415
3416 graphic_width = w;
3417 graphic_height = h;
3418 graphic_depth = depth;
3419 }
3420 break;
3421 case QEMU_OPTION_echr:
3422 {
3423 char *r;
3424 term_escape_char = strtol(optarg, &r, 0);
3425 if (r == optarg)
3426 printf("Bad argument to echr\n");
3427 break;
3428 }
3429 case QEMU_OPTION_monitor:
3430 default_monitor = 0;
3431 if (strncmp(optarg, "none", 4)) {
3432 monitor_parse(optarg, "readline", false);
3433 }
3434 break;
3435 case QEMU_OPTION_qmp:
3436 monitor_parse(optarg, "control", false);
3437 default_monitor = 0;
3438 break;
3439 case QEMU_OPTION_qmp_pretty:
3440 monitor_parse(optarg, "control", true);
3441 default_monitor = 0;
3442 break;
3443 case QEMU_OPTION_mon:
3444 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3445 true);
3446 if (!opts) {
3447 exit(1);
3448 }
3449 default_monitor = 0;
3450 break;
3451 case QEMU_OPTION_chardev:
3452 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3453 optarg, true);
3454 if (!opts) {
3455 exit(1);
3456 }
3457 break;
3458 case QEMU_OPTION_fsdev:
3459 olist = qemu_find_opts("fsdev");
3460 if (!olist) {
3461 error_report("fsdev support is disabled");
3462 exit(1);
3463 }
3464 opts = qemu_opts_parse_noisily(olist, optarg, true);
3465 if (!opts) {
3466 exit(1);
3467 }
3468 break;
3469 case QEMU_OPTION_virtfs: {
3470 QemuOpts *fsdev;
3471 QemuOpts *device;
3472 const char *writeout, *sock_fd, *socket, *path, *security_model;
3473
3474 olist = qemu_find_opts("virtfs");
3475 if (!olist) {
3476 error_report("virtfs support is disabled");
3477 exit(1);
3478 }
3479 opts = qemu_opts_parse_noisily(olist, optarg, true);
3480 if (!opts) {
3481 exit(1);
3482 }
3483
3484 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3485 qemu_opt_get(opts, "mount_tag") == NULL) {
3486 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3487 exit(1);
3488 }
3489 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3490 qemu_opts_id(opts) ?:
3491 qemu_opt_get(opts, "mount_tag"),
3492 1, NULL);
3493 if (!fsdev) {
3494 error_report("duplicate or invalid fsdev id: %s",
3495 qemu_opt_get(opts, "mount_tag"));
3496 exit(1);
3497 }
3498
3499 writeout = qemu_opt_get(opts, "writeout");
3500 if (writeout) {
3501 #ifdef CONFIG_SYNC_FILE_RANGE
3502 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3503 #else
3504 error_report("writeout=immediate not supported "
3505 "on this platform");
3506 exit(1);
3507 #endif
3508 }
3509 qemu_opt_set(fsdev, "fsdriver",
3510 qemu_opt_get(opts, "fsdriver"), &error_abort);
3511 path = qemu_opt_get(opts, "path");
3512 if (path) {
3513 qemu_opt_set(fsdev, "path", path, &error_abort);
3514 }
3515 security_model = qemu_opt_get(opts, "security_model");
3516 if (security_model) {
3517 qemu_opt_set(fsdev, "security_model", security_model,
3518 &error_abort);
3519 }
3520 socket = qemu_opt_get(opts, "socket");
3521 if (socket) {
3522 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3523 }
3524 sock_fd = qemu_opt_get(opts, "sock_fd");
3525 if (sock_fd) {
3526 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3527 }
3528
3529 qemu_opt_set_bool(fsdev, "readonly",
3530 qemu_opt_get_bool(opts, "readonly", 0),
3531 &error_abort);
3532 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3533 &error_abort);
3534 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3535 qemu_opt_set(device, "fsdev",
3536 qemu_opts_id(fsdev), &error_abort);
3537 qemu_opt_set(device, "mount_tag",
3538 qemu_opt_get(opts, "mount_tag"), &error_abort);
3539 break;
3540 }
3541 case QEMU_OPTION_virtfs_synth: {
3542 QemuOpts *fsdev;
3543 QemuOpts *device;
3544
3545 warn_report("'-virtfs_synth' is deprecated, please use "
3546 "'-fsdev synth' and '-device virtio-9p-...' "
3547 "instead");
3548
3549 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3550 1, NULL);
3551 if (!fsdev) {
3552 error_report("duplicate option: %s", "virtfs_synth");
3553 exit(1);
3554 }
3555 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3556
3557 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3558 &error_abort);
3559 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3560 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3561 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3562 break;
3563 }
3564 case QEMU_OPTION_serial:
3565 add_device_config(DEV_SERIAL, optarg);
3566 default_serial = 0;
3567 if (strncmp(optarg, "mon:", 4) == 0) {
3568 default_monitor = 0;
3569 }
3570 break;
3571 case QEMU_OPTION_watchdog:
3572 if (watchdog) {
3573 error_report("only one watchdog option may be given");
3574 return 1;
3575 }
3576 watchdog = optarg;
3577 break;
3578 case QEMU_OPTION_watchdog_action:
3579 if (select_watchdog_action(optarg) == -1) {
3580 error_report("unknown -watchdog-action parameter");
3581 exit(1);
3582 }
3583 break;
3584 case QEMU_OPTION_parallel:
3585 add_device_config(DEV_PARALLEL, optarg);
3586 default_parallel = 0;
3587 if (strncmp(optarg, "mon:", 4) == 0) {
3588 default_monitor = 0;
3589 }
3590 break;
3591 case QEMU_OPTION_debugcon:
3592 add_device_config(DEV_DEBUGCON, optarg);
3593 break;
3594 case QEMU_OPTION_loadvm:
3595 loadvm = optarg;
3596 break;
3597 case QEMU_OPTION_full_screen:
3598 dpy.has_full_screen = true;
3599 dpy.full_screen = true;
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_M:
3656 case QEMU_OPTION_machine:
3657 olist = qemu_find_opts("machine");
3658 opts = qemu_opts_parse_noisily(olist, optarg, true);
3659 if (!opts) {
3660 exit(1);
3661 }
3662 break;
3663 case QEMU_OPTION_no_kvm:
3664 olist = qemu_find_opts("machine");
3665 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3666 break;
3667 case QEMU_OPTION_accel:
3668 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3669 optarg, true);
3670 optarg = qemu_opt_get(accel_opts, "accel");
3671 if (!optarg || is_help_option(optarg)) {
3672 printf("Possible accelerators: kvm, xen, hax, tcg\n");
3673 exit(0);
3674 }
3675 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3676 false, &error_abort);
3677 qemu_opt_set(opts, "accel", optarg, &error_abort);
3678 break;
3679 case QEMU_OPTION_usb:
3680 olist = qemu_find_opts("machine");
3681 qemu_opts_parse_noisily(olist, "usb=on", false);
3682 break;
3683 case QEMU_OPTION_usbdevice:
3684 error_report("'-usbdevice' is deprecated, please use "
3685 "'-device usb-...' instead");
3686 olist = qemu_find_opts("machine");
3687 qemu_opts_parse_noisily(olist, "usb=on", false);
3688 add_device_config(DEV_USB, optarg);
3689 break;
3690 case QEMU_OPTION_device:
3691 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3692 optarg, true)) {
3693 exit(1);
3694 }
3695 break;
3696 case QEMU_OPTION_smp:
3697 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3698 optarg, true)) {
3699 exit(1);
3700 }
3701 break;
3702 case QEMU_OPTION_vnc:
3703 vnc_parse(optarg, &error_fatal);
3704 break;
3705 case QEMU_OPTION_no_acpi:
3706 acpi_enabled = 0;
3707 break;
3708 case QEMU_OPTION_no_hpet:
3709 no_hpet = 1;
3710 break;
3711 case QEMU_OPTION_no_reboot:
3712 no_reboot = 1;
3713 break;
3714 case QEMU_OPTION_no_shutdown:
3715 no_shutdown = 1;
3716 break;
3717 case QEMU_OPTION_show_cursor:
3718 cursor_hide = 0;
3719 break;
3720 case QEMU_OPTION_uuid:
3721 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3722 error_report("failed to parse UUID string: wrong format");
3723 exit(1);
3724 }
3725 qemu_uuid_set = true;
3726 break;
3727 case QEMU_OPTION_option_rom:
3728 if (nb_option_roms >= MAX_OPTION_ROMS) {
3729 error_report("too many option ROMs");
3730 exit(1);
3731 }
3732 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3733 optarg, true);
3734 if (!opts) {
3735 exit(1);
3736 }
3737 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3738 option_rom[nb_option_roms].bootindex =
3739 qemu_opt_get_number(opts, "bootindex", -1);
3740 if (!option_rom[nb_option_roms].name) {
3741 error_report("Option ROM file is not specified");
3742 exit(1);
3743 }
3744 nb_option_roms++;
3745 break;
3746 case QEMU_OPTION_semihosting:
3747 semihosting.enabled = true;
3748 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3749 break;
3750 case QEMU_OPTION_semihosting_config:
3751 semihosting.enabled = true;
3752 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3753 optarg, false);
3754 if (opts != NULL) {
3755 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3756 true);
3757 const char *target = qemu_opt_get(opts, "target");
3758 if (target != NULL) {
3759 if (strcmp("native", target) == 0) {
3760 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3761 } else if (strcmp("gdb", target) == 0) {
3762 semihosting.target = SEMIHOSTING_TARGET_GDB;
3763 } else if (strcmp("auto", target) == 0) {
3764 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3765 } else {
3766 error_report("unsupported semihosting-config %s",
3767 optarg);
3768 exit(1);
3769 }
3770 } else {
3771 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3772 }
3773 /* Set semihosting argument count and vector */
3774 qemu_opt_foreach(opts, add_semihosting_arg,
3775 &semihosting, NULL);
3776 } else {
3777 error_report("unsupported semihosting-config %s", optarg);
3778 exit(1);
3779 }
3780 break;
3781 case QEMU_OPTION_name:
3782 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3783 optarg, true);
3784 if (!opts) {
3785 exit(1);
3786 }
3787 break;
3788 case QEMU_OPTION_prom_env:
3789 if (nb_prom_envs >= MAX_PROM_ENVS) {
3790 error_report("too many prom variables");
3791 exit(1);
3792 }
3793 prom_envs[nb_prom_envs] = optarg;
3794 nb_prom_envs++;
3795 break;
3796 case QEMU_OPTION_old_param:
3797 old_param = 1;
3798 break;
3799 case QEMU_OPTION_rtc:
3800 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3801 false);
3802 if (!opts) {
3803 exit(1);
3804 }
3805 break;
3806 case QEMU_OPTION_tb_size:
3807 #ifndef CONFIG_TCG
3808 error_report("TCG is disabled");
3809 exit(1);
3810 #endif
3811 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3812 error_report("Invalid argument to -tb-size");
3813 exit(1);
3814 }
3815 break;
3816 case QEMU_OPTION_icount:
3817 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3818 optarg, true);
3819 if (!icount_opts) {
3820 exit(1);
3821 }
3822 break;
3823 case QEMU_OPTION_incoming:
3824 if (!incoming) {
3825 runstate_set(RUN_STATE_INMIGRATE);
3826 }
3827 incoming = optarg;
3828 break;
3829 case QEMU_OPTION_only_migratable:
3830 only_migratable = 1;
3831 break;
3832 case QEMU_OPTION_nodefaults:
3833 has_defaults = 0;
3834 break;
3835 case QEMU_OPTION_xen_domid:
3836 if (!(xen_available())) {
3837 error_report("Option not supported for this target");
3838 exit(1);
3839 }
3840 xen_domid = atoi(optarg);
3841 break;
3842 case QEMU_OPTION_xen_attach:
3843 if (!(xen_available())) {
3844 error_report("Option not supported for this target");
3845 exit(1);
3846 }
3847 xen_mode = XEN_ATTACH;
3848 break;
3849 case QEMU_OPTION_xen_domid_restrict:
3850 if (!(xen_available())) {
3851 error_report("Option not supported for this target");
3852 exit(1);
3853 }
3854 xen_domid_restrict = true;
3855 break;
3856 case QEMU_OPTION_trace:
3857 g_free(trace_file);
3858 trace_file = trace_opt_parse(optarg);
3859 break;
3860 case QEMU_OPTION_readconfig:
3861 {
3862 int ret = qemu_read_config_file(optarg);
3863 if (ret < 0) {
3864 error_report("read config %s: %s", optarg,
3865 strerror(-ret));
3866 exit(1);
3867 }
3868 break;
3869 }
3870 case QEMU_OPTION_spice:
3871 olist = qemu_find_opts("spice");
3872 if (!olist) {
3873 error_report("spice support is disabled");
3874 exit(1);
3875 }
3876 opts = qemu_opts_parse_noisily(olist, optarg, false);
3877 if (!opts) {
3878 exit(1);
3879 }
3880 display_remote++;
3881 break;
3882 case QEMU_OPTION_writeconfig:
3883 {
3884 FILE *fp;
3885 if (strcmp(optarg, "-") == 0) {
3886 fp = stdout;
3887 } else {
3888 fp = fopen(optarg, "w");
3889 if (fp == NULL) {
3890 error_report("open %s: %s", optarg,
3891 strerror(errno));
3892 exit(1);
3893 }
3894 }
3895 qemu_config_write(fp);
3896 if (fp != stdout) {
3897 fclose(fp);
3898 }
3899 break;
3900 }
3901 case QEMU_OPTION_qtest:
3902 qtest_chrdev = optarg;
3903 break;
3904 case QEMU_OPTION_qtest_log:
3905 qtest_log = optarg;
3906 break;
3907 case QEMU_OPTION_sandbox:
3908 olist = qemu_find_opts("sandbox");
3909 if (!olist) {
3910 #ifndef CONFIG_SECCOMP
3911 error_report("-sandbox support is not enabled "
3912 "in this QEMU binary");
3913 #endif
3914 exit(1);
3915 }
3916
3917 opts = qemu_opts_parse_noisily(olist, optarg, true);
3918 if (!opts) {
3919 exit(1);
3920 }
3921 break;
3922 case QEMU_OPTION_add_fd:
3923 #ifndef _WIN32
3924 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3925 optarg, false);
3926 if (!opts) {
3927 exit(1);
3928 }
3929 #else
3930 error_report("File descriptor passing is disabled on this "
3931 "platform");
3932 exit(1);
3933 #endif
3934 break;
3935 case QEMU_OPTION_object:
3936 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3937 optarg, true);
3938 if (!opts) {
3939 exit(1);
3940 }
3941 break;
3942 case QEMU_OPTION_realtime:
3943 warn_report("'-realtime mlock=...' is deprecated, please use "
3944 "'-overcommit mem-lock=...' instead");
3945 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3946 optarg, false);
3947 if (!opts) {
3948 exit(1);
3949 }
3950 /* Don't override the -overcommit option if set */
3951 enable_mlock = enable_mlock ||
3952 qemu_opt_get_bool(opts, "mlock", true);
3953 break;
3954 case QEMU_OPTION_overcommit:
3955 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3956 optarg, false);
3957 if (!opts) {
3958 exit(1);
3959 }
3960 /* Don't override the -realtime option if set */
3961 enable_mlock = enable_mlock ||
3962 qemu_opt_get_bool(opts, "mem-lock", false);
3963 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3964 break;
3965 case QEMU_OPTION_msg:
3966 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3967 false);
3968 if (!opts) {
3969 exit(1);
3970 }
3971 configure_msg(opts);
3972 break;
3973 case QEMU_OPTION_dump_vmstate:
3974 if (vmstate_dump_file) {
3975 error_report("only one '-dump-vmstate' "
3976 "option may be given");
3977 exit(1);
3978 }
3979 vmstate_dump_file = fopen(optarg, "w");
3980 if (vmstate_dump_file == NULL) {
3981 error_report("open %s: %s", optarg, strerror(errno));
3982 exit(1);
3983 }
3984 break;
3985 case QEMU_OPTION_enable_sync_profile:
3986 qsp_enable();
3987 break;
3988 case QEMU_OPTION_nouserconfig:
3989 /* Nothing to be parsed here. Especially, do not error out below. */
3990 break;
3991 default:
3992 if (os_parse_cmd_args(popt->index, optarg)) {
3993 error_report("Option not supported in this build");
3994 exit(1);
3995 }
3996 }
3997 }
3998 }
3999 /*
4000 * Clear error location left behind by the loop.
4001 * Best done right after the loop. Do not insert code here!
4002 */
4003 loc_set_none();
4004
4005 user_register_global_props();
4006
4007 replay_configure(icount_opts);
4008
4009 if (incoming && !preconfig_exit_requested) {
4010 error_report("'preconfig' and 'incoming' options are "
4011 "mutually exclusive");
4012 exit(EXIT_FAILURE);
4013 }
4014
4015 configure_rtc(qemu_find_opts_singleton("rtc"));
4016
4017 machine_class = select_machine();
4018 object_set_machine_compat_props(machine_class->compat_props);
4019
4020 set_memory_options(&ram_slots, &maxram_size, machine_class);
4021
4022 os_daemonize();
4023 rcu_disable_atfork();
4024
4025 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
4026 error_reportf_err(err, "cannot create PID file: ");
4027 exit(1);
4028 }
4029
4030 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
4031 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
4032
4033 if (qemu_init_main_loop(&main_loop_err)) {
4034 error_report_err(main_loop_err);
4035 exit(1);
4036 }
4037
4038 #ifdef CONFIG_SECCOMP
4039 olist = qemu_find_opts_err("sandbox", NULL);
4040 if (olist) {
4041 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
4042 }
4043 #endif
4044
4045 qemu_opts_foreach(qemu_find_opts("name"),
4046 parse_name, NULL, &error_fatal);
4047
4048 #ifndef _WIN32
4049 qemu_opts_foreach(qemu_find_opts("add-fd"),
4050 parse_add_fd, NULL, &error_fatal);
4051
4052 qemu_opts_foreach(qemu_find_opts("add-fd"),
4053 cleanup_add_fd, NULL, &error_fatal);
4054 #endif
4055
4056 current_machine = MACHINE(object_new(object_class_get_name(
4057 OBJECT_CLASS(machine_class))));
4058 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4059 exit(0);
4060 }
4061 object_property_add_child(object_get_root(), "machine",
4062 OBJECT(current_machine), &error_abort);
4063 object_property_add_child(container_get(OBJECT(current_machine),
4064 "/unattached"),
4065 "sysbus", OBJECT(sysbus_get_default()),
4066 NULL);
4067
4068 if (machine_class->minimum_page_bits) {
4069 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4070 /* This would be a board error: specifying a minimum smaller than
4071 * a target's compile-time fixed setting.
4072 */
4073 g_assert_not_reached();
4074 }
4075 }
4076
4077 cpu_exec_init_all();
4078
4079 if (machine_class->hw_version) {
4080 qemu_set_hw_version(machine_class->hw_version);
4081 }
4082
4083 if (cpu_option && is_help_option(cpu_option)) {
4084 list_cpus(cpu_option);
4085 exit(0);
4086 }
4087
4088 if (!trace_init_backends()) {
4089 exit(1);
4090 }
4091 trace_init_file(trace_file);
4092
4093 /* Open the logfile at this point and set the log mask if necessary.
4094 */
4095 if (log_file) {
4096 qemu_set_log_filename(log_file, &error_fatal);
4097 }
4098
4099 if (log_mask) {
4100 int mask;
4101 mask = qemu_str_to_log_mask(log_mask);
4102 if (!mask) {
4103 qemu_print_log_usage(stdout);
4104 exit(1);
4105 }
4106 qemu_set_log(mask);
4107 } else {
4108 qemu_set_log(0);
4109 }
4110
4111 /* add configured firmware directories */
4112 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4113 for (i = 0; dirs[i] != NULL; i++) {
4114 qemu_add_data_dir(dirs[i]);
4115 }
4116 g_strfreev(dirs);
4117
4118 /* try to find datadir relative to the executable path */
4119 dir = os_find_datadir();
4120 qemu_add_data_dir(dir);
4121 g_free(dir);
4122
4123 /* add the datadir specified when building */
4124 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4125
4126 /* -L help lists the data directories and exits. */
4127 if (list_data_dirs) {
4128 for (i = 0; i < data_dir_idx; i++) {
4129 printf("%s\n", data_dir[i]);
4130 }
4131 exit(0);
4132 }
4133
4134 /* machine_class: default to UP */
4135 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4136 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4137 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4138
4139 /* default to machine_class->default_cpus */
4140 smp_cpus = machine_class->default_cpus;
4141 max_cpus = machine_class->default_cpus;
4142
4143 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4144
4145 /* sanity-check smp_cpus and max_cpus against machine_class */
4146 if (smp_cpus < machine_class->min_cpus) {
4147 error_report("Invalid SMP CPUs %d. The min CPUs "
4148 "supported by machine '%s' is %d", smp_cpus,
4149 machine_class->name, machine_class->min_cpus);
4150 exit(1);
4151 }
4152 if (max_cpus > machine_class->max_cpus) {
4153 error_report("Invalid SMP CPUs %d. The max CPUs "
4154 "supported by machine '%s' is %d", max_cpus,
4155 machine_class->name, machine_class->max_cpus);
4156 exit(1);
4157 }
4158
4159 /*
4160 * Get the default machine options from the machine if it is not already
4161 * specified either by the configuration file or by the command line.
4162 */
4163 if (machine_class->default_machine_opts) {
4164 qemu_opts_set_defaults(qemu_find_opts("machine"),
4165 machine_class->default_machine_opts, 0);
4166 }
4167
4168 qemu_opts_foreach(qemu_find_opts("device"),
4169 default_driver_check, NULL, NULL);
4170 qemu_opts_foreach(qemu_find_opts("global"),
4171 default_driver_check, NULL, NULL);
4172
4173 if (!vga_model && !default_vga) {
4174 vga_interface_type = VGA_DEVICE;
4175 }
4176 if (!has_defaults || machine_class->no_serial) {
4177 default_serial = 0;
4178 }
4179 if (!has_defaults || machine_class->no_parallel) {
4180 default_parallel = 0;
4181 }
4182 if (!has_defaults || machine_class->no_floppy) {
4183 default_floppy = 0;
4184 }
4185 if (!has_defaults || machine_class->no_cdrom) {
4186 default_cdrom = 0;
4187 }
4188 if (!has_defaults || machine_class->no_sdcard) {
4189 default_sdcard = 0;
4190 }
4191 if (!has_defaults) {
4192 default_monitor = 0;
4193 default_net = 0;
4194 default_vga = 0;
4195 }
4196
4197 if (is_daemonized()) {
4198 if (!preconfig_exit_requested) {
4199 error_report("'preconfig' and 'daemonize' options are "
4200 "mutually exclusive");
4201 exit(EXIT_FAILURE);
4202 }
4203
4204 /* According to documentation and historically, -nographic redirects
4205 * serial port, parallel port and monitor to stdio, which does not work
4206 * with -daemonize. We can redirect these to null instead, but since
4207 * -nographic is legacy, let's just error out.
4208 * We disallow -nographic only if all other ports are not redirected
4209 * explicitly, to not break existing legacy setups which uses
4210 * -nographic _and_ redirects all ports explicitly - this is valid
4211 * usage, -nographic is just a no-op in this case.
4212 */
4213 if (nographic
4214 && (default_parallel || default_serial || default_monitor)) {
4215 error_report("-nographic cannot be used with -daemonize");
4216 exit(1);
4217 }
4218 #ifdef CONFIG_CURSES
4219 if (dpy.type == DISPLAY_TYPE_CURSES) {
4220 error_report("curses display cannot be used with -daemonize");
4221 exit(1);
4222 }
4223 #endif
4224 }
4225
4226 if (nographic) {
4227 if (default_parallel)
4228 add_device_config(DEV_PARALLEL, "null");
4229 if (default_serial && default_monitor) {
4230 add_device_config(DEV_SERIAL, "mon:stdio");
4231 } else {
4232 if (default_serial)
4233 add_device_config(DEV_SERIAL, "stdio");
4234 if (default_monitor)
4235 monitor_parse("stdio", "readline", false);
4236 }
4237 } else {
4238 if (default_serial)
4239 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4240 if (default_parallel)
4241 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4242 if (default_monitor)
4243 monitor_parse("vc:80Cx24C", "readline", false);
4244 }
4245
4246 #if defined(CONFIG_VNC)
4247 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4248 display_remote++;
4249 }
4250 #endif
4251 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4252 if (!qemu_display_find_default(&dpy)) {
4253 dpy.type = DISPLAY_TYPE_NONE;
4254 #if defined(CONFIG_VNC)
4255 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4256 #endif
4257 }
4258 }
4259 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4260 dpy.type = DISPLAY_TYPE_NONE;
4261 }
4262
4263 if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4264 error_report("-alt-grab and -ctrl-grab are only valid "
4265 "for SDL, ignoring option");
4266 }
4267 if (dpy.has_window_close &&
4268 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4269 error_report("-no-quit is only valid for GTK and SDL, "
4270 "ignoring option");
4271 }
4272
4273 qemu_display_early_init(&dpy);
4274 qemu_console_early_init();
4275
4276 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4277 #if defined(CONFIG_OPENGL)
4278 error_report("OpenGL is not supported by the display");
4279 #else
4280 error_report("OpenGL support is disabled");
4281 #endif
4282 exit(1);
4283 }
4284
4285 page_size_init();
4286 socket_init();
4287
4288 qemu_opts_foreach(qemu_find_opts("object"),
4289 user_creatable_add_opts_foreach,
4290 object_create_initial, &error_fatal);
4291
4292 qemu_opts_foreach(qemu_find_opts("chardev"),
4293 chardev_init_func, NULL, &error_fatal);
4294
4295 #ifdef CONFIG_VIRTFS
4296 qemu_opts_foreach(qemu_find_opts("fsdev"),
4297 fsdev_init_func, NULL, &error_fatal);
4298 #endif
4299
4300 if (qemu_opts_foreach(qemu_find_opts("device"),
4301 device_help_func, NULL, NULL)) {
4302 exit(0);
4303 }
4304
4305 /*
4306 * Note: we need to create block backends before
4307 * machine_set_property(), so machine properties can refer to
4308 * them.
4309 */
4310 configure_blockdev(&bdo_queue, machine_class, snapshot);
4311
4312 machine_opts = qemu_get_machine_opts();
4313 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4314 &error_fatal);
4315 current_machine->ram_size = ram_size;
4316 current_machine->maxram_size = maxram_size;
4317 current_machine->ram_slots = ram_slots;
4318
4319 /*
4320 * Note: uses machine properties such as kernel-irqchip, must run
4321 * after machine_set_property().
4322 */
4323 configure_accelerator(current_machine, argv[0]);
4324
4325 /*
4326 * Beware, QOM objects created before this point miss global and
4327 * compat properties.
4328 *
4329 * Global properties get set up by qdev_prop_register_global(),
4330 * called from user_register_global_props(), and certain option
4331 * desugaring. Also in CPU feature desugaring (buried in
4332 * parse_cpu_option()), which happens below this point, but may
4333 * only target the CPU type, which can only be created after
4334 * parse_cpu_option() returned the type.
4335 *
4336 * Machine compat properties: object_set_machine_compat_props().
4337 * Accelerator compat props: object_set_accelerator_compat_props(),
4338 * called from configure_accelerator().
4339 */
4340
4341 if (!qtest_enabled() && machine_class->deprecation_reason) {
4342 error_report("Machine type '%s' is deprecated: %s",
4343 machine_class->name, machine_class->deprecation_reason);
4344 }
4345
4346 /*
4347 * Note: creates a QOM object, must run only after global and
4348 * compat properties have been set up.
4349 */
4350 migration_object_init();
4351
4352 if (qtest_chrdev) {
4353 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4354 }
4355
4356 machine_opts = qemu_get_machine_opts();
4357 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4358 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4359 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4360 bios_name = qemu_opt_get(machine_opts, "firmware");
4361
4362 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4363 if (opts) {
4364 boot_order = qemu_opt_get(opts, "order");
4365 if (boot_order) {
4366 validate_bootdevices(boot_order, &error_fatal);
4367 }
4368
4369 boot_once = qemu_opt_get(opts, "once");
4370 if (boot_once) {
4371 validate_bootdevices(boot_once, &error_fatal);
4372 }
4373
4374 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4375 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4376 }
4377
4378 if (!boot_order) {
4379 boot_order = machine_class->default_boot_order;
4380 }
4381
4382 if (!kernel_cmdline) {
4383 kernel_cmdline = "";
4384 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4385 }
4386
4387 linux_boot = (kernel_filename != NULL);
4388
4389 if (!linux_boot && *kernel_cmdline != '\0') {
4390 error_report("-append only allowed with -kernel option");
4391 exit(1);
4392 }
4393
4394 if (!linux_boot && initrd_filename != NULL) {
4395 error_report("-initrd only allowed with -kernel option");
4396 exit(1);
4397 }
4398
4399 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4400 /* fall back to the -kernel/-append */
4401 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4402 }
4403
4404 os_set_line_buffering();
4405
4406 /* spice needs the timers to be initialized by this point */
4407 qemu_spice_init();
4408
4409 cpu_ticks_init();
4410 if (icount_opts) {
4411 if (!tcg_enabled()) {
4412 error_report("-icount is not allowed with hardware virtualization");
4413 exit(1);
4414 }
4415 configure_icount(icount_opts, &error_abort);
4416 qemu_opts_del(icount_opts);
4417 }
4418
4419 if (tcg_enabled()) {
4420 qemu_tcg_configure(accel_opts, &error_fatal);
4421 }
4422
4423 if (default_net) {
4424 QemuOptsList *net = qemu_find_opts("net");
4425 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4426 #ifdef CONFIG_SLIRP
4427 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4428 #endif
4429 }
4430
4431 if (net_init_clients(&err) < 0) {
4432 error_report_err(err);
4433 exit(1);
4434 }
4435
4436 qemu_opts_foreach(qemu_find_opts("object"),
4437 user_creatable_add_opts_foreach,
4438 object_create_delayed, &error_fatal);
4439
4440 tpm_init();
4441
4442 /* init the bluetooth world */
4443 if (foreach_device_config(DEV_BT, bt_parse))
4444 exit(1);
4445
4446 if (!xen_enabled()) {
4447 /* On 32-bit hosts, QEMU is limited by virtual address space */
4448 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4449 error_report("at most 2047 MB RAM can be simulated");
4450 exit(1);
4451 }
4452 }
4453
4454 blk_mig_init();
4455 ram_mig_init();
4456 dirty_bitmap_mig_init();
4457
4458 qemu_opts_foreach(qemu_find_opts("mon"),
4459 mon_init_func, NULL, &error_fatal);
4460
4461 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4462 exit(1);
4463 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4464 exit(1);
4465 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4466 exit(1);
4467
4468 /* If no default VGA is requested, the default is "none". */
4469 if (default_vga) {
4470 vga_model = get_default_vga_model(machine_class);
4471 }
4472 if (vga_model) {
4473 select_vgahw(machine_class, vga_model);
4474 }
4475
4476 if (watchdog) {
4477 i = select_watchdog(watchdog);
4478 if (i > 0)
4479 exit (i == 1 ? 1 : 0);
4480 }
4481
4482 /* This checkpoint is required by replay to separate prior clock
4483 reading from the other reads, because timer polling functions query
4484 clock values from the log. */
4485 replay_checkpoint(CHECKPOINT_INIT);
4486 qdev_machine_init();
4487
4488 current_machine->boot_order = boot_order;
4489
4490 /* parse features once if machine provides default cpu_type */
4491 current_machine->cpu_type = machine_class->default_cpu_type;
4492 if (cpu_option) {
4493 current_machine->cpu_type = parse_cpu_option(cpu_option);
4494 }
4495 parse_numa_opts(current_machine);
4496
4497 /* do monitor/qmp handling at preconfig state if requested */
4498 main_loop();
4499
4500 audio_init_audiodevs();
4501
4502 /* from here on runstate is RUN_STATE_PRELAUNCH */
4503 machine_run_board_init(current_machine);
4504
4505 realtime_init();
4506
4507 soundhw_init();
4508
4509 if (hax_enabled()) {
4510 hax_sync_vcpus();
4511 }
4512
4513 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4514 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4515
4516 /* init USB devices */
4517 if (machine_usb(current_machine)) {
4518 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4519 exit(1);
4520 }
4521
4522 /* Check if IGD GFX passthrough. */
4523 igd_gfx_passthru();
4524
4525 /* init generic devices */
4526 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4527 qemu_opts_foreach(qemu_find_opts("device"),
4528 device_init_func, NULL, &error_fatal);
4529
4530 cpu_synchronize_all_post_init();
4531
4532 rom_reset_order_override();
4533
4534 /* Did we create any drives that we failed to create a device for? */
4535 drive_check_orphaned();
4536
4537 /* Don't warn about the default network setup that you get if
4538 * no command line -net or -netdev options are specified. There
4539 * are two cases that we would otherwise complain about:
4540 * (1) board doesn't support a NIC but the implicit "-net nic"
4541 * requested one
4542 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4543 * sets up a nic that isn't connected to anything.
4544 */
4545 if (!default_net && (!qtest_enabled() || has_defaults)) {
4546 net_check_clients();
4547 }
4548
4549 if (boot_once) {
4550 qemu_boot_set(boot_once, &error_fatal);
4551 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4552 }
4553
4554 /* init local displays */
4555 ds = init_displaystate();
4556 qemu_display_init(ds, &dpy);
4557
4558 /* must be after terminal init, SDL library changes signal handlers */
4559 os_setup_signal_handling();
4560
4561 /* init remote displays */
4562 #ifdef CONFIG_VNC
4563 qemu_opts_foreach(qemu_find_opts("vnc"),
4564 vnc_init_func, NULL, &error_fatal);
4565 #endif
4566
4567 if (using_spice) {
4568 qemu_spice_display_init();
4569 }
4570
4571 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4572 exit(1);
4573 }
4574
4575 qdev_machine_creation_done();
4576
4577 /* TODO: once all bus devices are qdevified, this should be done
4578 * when bus is created by qdev.c */
4579 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4580 qemu_run_machine_init_done_notifiers();
4581
4582 if (rom_check_and_register_reset() != 0) {
4583 error_report("rom check and register reset failed");
4584 exit(1);
4585 }
4586
4587 replay_start();
4588
4589 /* This checkpoint is required by replay to separate prior clock
4590 reading from the other reads, because timer polling functions query
4591 clock values from the log. */
4592 replay_checkpoint(CHECKPOINT_RESET);
4593 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4594 register_global_state();
4595 if (loadvm) {
4596 Error *local_err = NULL;
4597 if (load_snapshot(loadvm, &local_err) < 0) {
4598 error_report_err(local_err);
4599 autostart = 0;
4600 exit(1);
4601 }
4602 }
4603 if (replay_mode != REPLAY_MODE_NONE) {
4604 replay_vmstate_init();
4605 }
4606
4607 qdev_prop_check_globals();
4608 if (vmstate_dump_file) {
4609 /* dump and exit */
4610 dump_vmstate_json_to_file(vmstate_dump_file);
4611 return 0;
4612 }
4613
4614 if (incoming) {
4615 Error *local_err = NULL;
4616 qemu_start_incoming_migration(incoming, &local_err);
4617 if (local_err) {
4618 error_reportf_err(local_err, "-incoming %s: ", incoming);
4619 exit(1);
4620 }
4621 } else if (autostart) {
4622 vm_start();
4623 }
4624
4625 accel_setup_post(current_machine);
4626 os_setup_post();
4627
4628 main_loop();
4629
4630 gdbserver_cleanup();
4631
4632 /*
4633 * cleaning up the migration object cancels any existing migration
4634 * try to do this early so that it also stops using devices.
4635 */
4636 migration_shutdown();
4637
4638 /* No more vcpu or device emulation activity beyond this point */
4639 vm_shutdown();
4640
4641 job_cancel_sync_all();
4642 bdrv_close_all();
4643
4644 res_free();
4645
4646 /* vhost-user must be cleaned up before chardevs. */
4647 tpm_cleanup();
4648 net_cleanup();
4649 audio_cleanup();
4650 monitor_cleanup();
4651 qemu_chr_cleanup();
4652 user_creatable_cleanup();
4653 /* TODO: unref root container, check all devices are ok */
4654
4655 return 0;
4656 }
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