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tpm: Clean up error reporting in tpm_init_tpmdev()
[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/smbios/smbios.h"
65 #include "hw/acpi/acpi.h"
66 #include "hw/xen/xen.h"
67 #include "hw/qdev.h"
68 #include "hw/loader.h"
69 #include "monitor/qdev.h"
70 #include "sysemu/bt.h"
71 #include "net/net.h"
72 #include "net/slirp.h"
73 #include "monitor/monitor.h"
74 #include "ui/console.h"
75 #include "ui/input.h"
76 #include "sysemu/sysemu.h"
77 #include "sysemu/numa.h"
78 #include "exec/gdbstub.h"
79 #include "qemu/timer.h"
80 #include "chardev/char.h"
81 #include "qemu/bitmap.h"
82 #include "qemu/log.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/misc.h"
86 #include "migration/snapshot.h"
87 #include "migration/global_state.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "hw/audio/soundhw.h"
91 #include "audio/audio.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "migration/postcopy-ram.h"
95 #include "sysemu/kvm.h"
96 #include "sysemu/hax.h"
97 #include "qapi/qobject-input-visitor.h"
98 #include "qemu/option.h"
99 #include "qemu/config-file.h"
100 #include "qemu-options.h"
101 #include "qemu/main-loop.h"
102 #ifdef CONFIG_VIRTFS
103 #include "fsdev/qemu-fsdev.h"
104 #endif
105 #include "sysemu/qtest.h"
106
107 #include "disas/disas.h"
108
109
110 #include "slirp/libslirp.h"
111
112 #include "trace-root.h"
113 #include "trace/control.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-misc.h"
130 #include "qapi/qapi-commands-run-state.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133
134 #define MAX_VIRTIO_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int display_opengl;
141 const char* keyboard_layout = NULL;
142 ram_addr_t ram_size;
143 const char *mem_path = NULL;
144 int mem_prealloc = 0; /* force preallocation of physical target memory */
145 bool enable_mlock = false;
146 bool enable_cpu_pm = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static DisplayOptions dpy;
155 int no_frame;
156 static int num_serial_hds;
157 static Chardev **serial_hds;
158 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
159 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
160 int win2k_install_hack = 0;
161 int singlestep = 0;
162 int smp_cpus;
163 unsigned int max_cpus;
164 int smp_cores = 1;
165 int smp_threads = 1;
166 int acpi_enabled = 1;
167 int no_hpet = 0;
168 int fd_bootchk = 1;
169 static int no_reboot;
170 int no_shutdown = 0;
171 int cursor_hide = 1;
172 int graphic_rotate = 0;
173 const char *watchdog;
174 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
175 int nb_option_roms;
176 int old_param = 0;
177 const char *qemu_name;
178 int alt_grab = 0;
179 int ctrl_grab = 0;
180 unsigned int nb_prom_envs = 0;
181 const char *prom_envs[MAX_PROM_ENVS];
182 int boot_menu;
183 bool boot_strict;
184 uint8_t *boot_splash_filedata;
185 size_t boot_splash_filedata_size;
186 uint8_t qemu_extra_params_fw[2];
187
188 int icount_align_option;
189
190 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
191 * little-endian "wire format" described in the SMBIOS 2.6 specification.
192 */
193 QemuUUID qemu_uuid;
194 bool qemu_uuid_set;
195
196 static NotifierList exit_notifiers =
197 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
198
199 static NotifierList machine_init_done_notifiers =
200 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
201
202 bool xen_allowed;
203 uint32_t xen_domid;
204 enum xen_mode xen_mode = XEN_EMULATE;
205 bool xen_domid_restrict;
206
207 static int has_defaults = 1;
208 static int default_serial = 1;
209 static int default_parallel = 1;
210 static int default_virtcon = 1;
211 static int default_monitor = 1;
212 static int default_floppy = 1;
213 static int default_cdrom = 1;
214 static int default_sdcard = 1;
215 static int default_vga = 1;
216 static int default_net = 1;
217
218 static struct {
219 const char *driver;
220 int *flag;
221 } default_list[] = {
222 { .driver = "isa-serial", .flag = &default_serial },
223 { .driver = "isa-parallel", .flag = &default_parallel },
224 { .driver = "isa-fdc", .flag = &default_floppy },
225 { .driver = "floppy", .flag = &default_floppy },
226 { .driver = "ide-cd", .flag = &default_cdrom },
227 { .driver = "ide-hd", .flag = &default_cdrom },
228 { .driver = "ide-drive", .flag = &default_cdrom },
229 { .driver = "scsi-cd", .flag = &default_cdrom },
230 { .driver = "scsi-hd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial", .flag = &default_virtcon },
233 { .driver = "VGA", .flag = &default_vga },
234 { .driver = "isa-vga", .flag = &default_vga },
235 { .driver = "cirrus-vga", .flag = &default_vga },
236 { .driver = "isa-cirrus-vga", .flag = &default_vga },
237 { .driver = "vmware-svga", .flag = &default_vga },
238 { .driver = "qxl-vga", .flag = &default_vga },
239 { .driver = "virtio-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_option_rom_opts = {
261 .name = "option-rom",
262 .implied_opt_name = "romfile",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
264 .desc = {
265 {
266 .name = "bootindex",
267 .type = QEMU_OPT_NUMBER,
268 }, {
269 .name = "romfile",
270 .type = QEMU_OPT_STRING,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_machine_opts = {
277 .name = "machine",
278 .implied_opt_name = "type",
279 .merge_lists = true,
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
281 .desc = {
282 /*
283 * no elements => accept any
284 * sanity checking will happen later
285 * when setting machine properties
286 */
287 { }
288 },
289 };
290
291 static QemuOptsList qemu_accel_opts = {
292 .name = "accel",
293 .implied_opt_name = "accel",
294 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
295 .merge_lists = true,
296 .desc = {
297 {
298 .name = "accel",
299 .type = QEMU_OPT_STRING,
300 .help = "Select the type of accelerator",
301 },
302 {
303 .name = "thread",
304 .type = QEMU_OPT_STRING,
305 .help = "Enable/disable multi-threaded TCG",
306 },
307 { /* end of list */ }
308 },
309 };
310
311 static QemuOptsList qemu_boot_opts = {
312 .name = "boot-opts",
313 .implied_opt_name = "order",
314 .merge_lists = true,
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
316 .desc = {
317 {
318 .name = "order",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "once",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "menu",
325 .type = QEMU_OPT_BOOL,
326 }, {
327 .name = "splash",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "splash-time",
331 .type = QEMU_OPT_STRING,
332 }, {
333 .name = "reboot-timeout",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "strict",
337 .type = QEMU_OPT_BOOL,
338 },
339 { /*End of list */ }
340 },
341 };
342
343 static QemuOptsList qemu_add_fd_opts = {
344 .name = "add-fd",
345 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
346 .desc = {
347 {
348 .name = "fd",
349 .type = QEMU_OPT_NUMBER,
350 .help = "file descriptor of which a duplicate is added to fd set",
351 },{
352 .name = "set",
353 .type = QEMU_OPT_NUMBER,
354 .help = "ID of the fd set to add fd to",
355 },{
356 .name = "opaque",
357 .type = QEMU_OPT_STRING,
358 .help = "free-form string used to describe fd",
359 },
360 { /* end of list */ }
361 },
362 };
363
364 static QemuOptsList qemu_object_opts = {
365 .name = "object",
366 .implied_opt_name = "qom-type",
367 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
368 .desc = {
369 { }
370 },
371 };
372
373 static QemuOptsList qemu_tpmdev_opts = {
374 .name = "tpmdev",
375 .implied_opt_name = "type",
376 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
377 .desc = {
378 /* options are defined in the TPM backends */
379 { /* end of list */ }
380 },
381 };
382
383 static QemuOptsList qemu_realtime_opts = {
384 .name = "realtime",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
386 .desc = {
387 {
388 .name = "mlock",
389 .type = QEMU_OPT_BOOL,
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_overcommit_opts = {
396 .name = "overcommit",
397 .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
398 .desc = {
399 {
400 .name = "mem-lock",
401 .type = QEMU_OPT_BOOL,
402 },
403 {
404 .name = "cpu-pm",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_msg_opts = {
412 .name = "msg",
413 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
414 .desc = {
415 {
416 .name = "timestamp",
417 .type = QEMU_OPT_BOOL,
418 },
419 { /* end of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_name_opts = {
424 .name = "name",
425 .implied_opt_name = "guest",
426 .merge_lists = true,
427 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
428 .desc = {
429 {
430 .name = "guest",
431 .type = QEMU_OPT_STRING,
432 .help = "Sets the name of the guest.\n"
433 "This name will be displayed in the SDL window caption.\n"
434 "The name will also be used for the VNC server",
435 }, {
436 .name = "process",
437 .type = QEMU_OPT_STRING,
438 .help = "Sets the name of the QEMU process, as shown in top etc",
439 }, {
440 .name = "debug-threads",
441 .type = QEMU_OPT_BOOL,
442 .help = "When enabled, name the individual threads; defaults off.\n"
443 "NOTE: The thread names are for debugging and not a\n"
444 "stable API.",
445 },
446 { /* End of list */ }
447 },
448 };
449
450 static QemuOptsList qemu_mem_opts = {
451 .name = "memory",
452 .implied_opt_name = "size",
453 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
454 .merge_lists = true,
455 .desc = {
456 {
457 .name = "size",
458 .type = QEMU_OPT_SIZE,
459 },
460 {
461 .name = "slots",
462 .type = QEMU_OPT_NUMBER,
463 },
464 {
465 .name = "maxmem",
466 .type = QEMU_OPT_SIZE,
467 },
468 { /* end of list */ }
469 },
470 };
471
472 static QemuOptsList qemu_icount_opts = {
473 .name = "icount",
474 .implied_opt_name = "shift",
475 .merge_lists = true,
476 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
477 .desc = {
478 {
479 .name = "shift",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "align",
483 .type = QEMU_OPT_BOOL,
484 }, {
485 .name = "sleep",
486 .type = QEMU_OPT_BOOL,
487 }, {
488 .name = "rr",
489 .type = QEMU_OPT_STRING,
490 }, {
491 .name = "rrfile",
492 .type = QEMU_OPT_STRING,
493 }, {
494 .name = "rrsnapshot",
495 .type = QEMU_OPT_STRING,
496 },
497 { /* end of list */ }
498 },
499 };
500
501 static QemuOptsList qemu_semihosting_config_opts = {
502 .name = "semihosting-config",
503 .implied_opt_name = "enable",
504 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
505 .desc = {
506 {
507 .name = "enable",
508 .type = QEMU_OPT_BOOL,
509 }, {
510 .name = "target",
511 .type = QEMU_OPT_STRING,
512 }, {
513 .name = "arg",
514 .type = QEMU_OPT_STRING,
515 },
516 { /* end of list */ }
517 },
518 };
519
520 static QemuOptsList qemu_fw_cfg_opts = {
521 .name = "fw_cfg",
522 .implied_opt_name = "name",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
524 .desc = {
525 {
526 .name = "name",
527 .type = QEMU_OPT_STRING,
528 .help = "Sets the fw_cfg name of the blob to be inserted",
529 }, {
530 .name = "file",
531 .type = QEMU_OPT_STRING,
532 .help = "Sets the name of the file from which\n"
533 "the fw_cfg blob will be loaded",
534 }, {
535 .name = "string",
536 .type = QEMU_OPT_STRING,
537 .help = "Sets content of the blob to be inserted from a string",
538 },
539 { /* end of list */ }
540 },
541 };
542
543 /**
544 * Get machine options
545 *
546 * Returns: machine options (never null).
547 */
548 QemuOpts *qemu_get_machine_opts(void)
549 {
550 return qemu_find_opts_singleton("machine");
551 }
552
553 const char *qemu_get_vm_name(void)
554 {
555 return qemu_name;
556 }
557
558 static void res_free(void)
559 {
560 g_free(boot_splash_filedata);
561 boot_splash_filedata = NULL;
562 }
563
564 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
565 {
566 const char *driver = qemu_opt_get(opts, "driver");
567 int i;
568
569 if (!driver)
570 return 0;
571 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
572 if (strcmp(default_list[i].driver, driver) != 0)
573 continue;
574 *(default_list[i].flag) = 0;
575 }
576 return 0;
577 }
578
579 /***********************************************************/
580 /* QEMU state */
581
582 static RunState current_run_state = RUN_STATE_PRECONFIG;
583
584 /* We use RUN_STATE__MAX but any invalid value will do */
585 static RunState vmstop_requested = RUN_STATE__MAX;
586 static QemuMutex vmstop_lock;
587
588 typedef struct {
589 RunState from;
590 RunState to;
591 } RunStateTransition;
592
593 static const RunStateTransition runstate_transitions_def[] = {
594 /* from -> to */
595 { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
596 /* Early switch to inmigrate state to allow -incoming CLI option work
597 * as it used to. TODO: delay actual switching to inmigrate state to
598 * the point after machine is built and remove this hack.
599 */
600 { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
601
602 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
603 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
613 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
618
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
624 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
628 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
630 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
631 { RUN_STATE_PAUSED, RUN_STATE_COLO},
632
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
636
637 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
639 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
640
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
645 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
646
647 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
648 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_COLO, RUN_STATE_RUNNING },
651
652 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
653 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
654 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
655 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
656 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
657 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
658 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
659 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
660 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
661 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
662 { RUN_STATE_RUNNING, RUN_STATE_COLO},
663
664 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
665
666 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
667 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
668 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
669
670 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
671 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
672 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
673 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
674 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
675 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
676
677 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
678 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
679 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
680 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
681
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
683 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
684 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
685
686 { RUN_STATE__MAX, RUN_STATE__MAX },
687 };
688
689 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
690
691 bool runstate_check(RunState state)
692 {
693 return current_run_state == state;
694 }
695
696 bool runstate_store(char *str, size_t size)
697 {
698 const char *state = RunState_str(current_run_state);
699 size_t len = strlen(state) + 1;
700
701 if (len > size) {
702 return false;
703 }
704 memcpy(str, state, len);
705 return true;
706 }
707
708 static void runstate_init(void)
709 {
710 const RunStateTransition *p;
711
712 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
713 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
714 runstate_valid_transitions[p->from][p->to] = true;
715 }
716
717 qemu_mutex_init(&vmstop_lock);
718 }
719
720 /* This function will abort() on invalid state transitions */
721 void runstate_set(RunState new_state)
722 {
723 assert(new_state < RUN_STATE__MAX);
724
725 if (current_run_state == new_state) {
726 return;
727 }
728
729 if (!runstate_valid_transitions[current_run_state][new_state]) {
730 error_report("invalid runstate transition: '%s' -> '%s'",
731 RunState_str(current_run_state),
732 RunState_str(new_state));
733 abort();
734 }
735 trace_runstate_set(new_state);
736 current_run_state = new_state;
737 }
738
739 int runstate_is_running(void)
740 {
741 return runstate_check(RUN_STATE_RUNNING);
742 }
743
744 bool runstate_needs_reset(void)
745 {
746 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
747 runstate_check(RUN_STATE_SHUTDOWN);
748 }
749
750 StatusInfo *qmp_query_status(Error **errp)
751 {
752 StatusInfo *info = g_malloc0(sizeof(*info));
753
754 info->running = runstate_is_running();
755 info->singlestep = singlestep;
756 info->status = current_run_state;
757
758 return info;
759 }
760
761 bool qemu_vmstop_requested(RunState *r)
762 {
763 qemu_mutex_lock(&vmstop_lock);
764 *r = vmstop_requested;
765 vmstop_requested = RUN_STATE__MAX;
766 qemu_mutex_unlock(&vmstop_lock);
767 return *r < RUN_STATE__MAX;
768 }
769
770 void qemu_system_vmstop_request_prepare(void)
771 {
772 qemu_mutex_lock(&vmstop_lock);
773 }
774
775 void qemu_system_vmstop_request(RunState state)
776 {
777 vmstop_requested = state;
778 qemu_mutex_unlock(&vmstop_lock);
779 qemu_notify_event();
780 }
781
782 /***********************************************************/
783 /* real time host monotonic timer */
784
785 static time_t qemu_time(void)
786 {
787 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
788 }
789
790 /***********************************************************/
791 /* host time/date access */
792 void qemu_get_timedate(struct tm *tm, int offset)
793 {
794 time_t ti = qemu_time();
795
796 ti += offset;
797 if (rtc_date_offset == -1) {
798 if (rtc_utc)
799 gmtime_r(&ti, tm);
800 else
801 localtime_r(&ti, tm);
802 } else {
803 ti -= rtc_date_offset;
804 gmtime_r(&ti, tm);
805 }
806 }
807
808 int qemu_timedate_diff(struct tm *tm)
809 {
810 time_t seconds;
811
812 if (rtc_date_offset == -1)
813 if (rtc_utc)
814 seconds = mktimegm(tm);
815 else {
816 struct tm tmp = *tm;
817 tmp.tm_isdst = -1; /* use timezone to figure it out */
818 seconds = mktime(&tmp);
819 }
820 else
821 seconds = mktimegm(tm) + rtc_date_offset;
822
823 return seconds - qemu_time();
824 }
825
826 static void configure_rtc_date_offset(const char *startdate)
827 {
828 time_t rtc_start_date;
829 struct tm tm;
830
831 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
832 &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
833 /* OK */
834 } else if (sscanf(startdate, "%d-%d-%d",
835 &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
836 tm.tm_hour = 0;
837 tm.tm_min = 0;
838 tm.tm_sec = 0;
839 } else {
840 goto date_fail;
841 }
842 tm.tm_year -= 1900;
843 tm.tm_mon--;
844 rtc_start_date = mktimegm(&tm);
845 if (rtc_start_date == -1) {
846 date_fail:
847 error_report("invalid date format");
848 error_printf("valid formats: "
849 "'2006-06-17T16:01:21' or '2006-06-17'\n");
850 exit(1);
851 }
852 rtc_date_offset = qemu_time() - rtc_start_date;
853 }
854
855 static void configure_rtc(QemuOpts *opts)
856 {
857 const char *value;
858
859 value = qemu_opt_get(opts, "base");
860 if (value) {
861 if (!strcmp(value, "utc")) {
862 rtc_utc = 1;
863 } else if (!strcmp(value, "localtime")) {
864 Error *blocker = NULL;
865 rtc_utc = 0;
866 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
867 "-rtc base=localtime");
868 replay_add_blocker(blocker);
869 } else {
870 configure_rtc_date_offset(value);
871 }
872 }
873 value = qemu_opt_get(opts, "clock");
874 if (value) {
875 if (!strcmp(value, "host")) {
876 rtc_clock = QEMU_CLOCK_HOST;
877 } else if (!strcmp(value, "rt")) {
878 rtc_clock = QEMU_CLOCK_REALTIME;
879 } else if (!strcmp(value, "vm")) {
880 rtc_clock = QEMU_CLOCK_VIRTUAL;
881 } else {
882 error_report("invalid option value '%s'", value);
883 exit(1);
884 }
885 }
886 value = qemu_opt_get(opts, "driftfix");
887 if (value) {
888 if (!strcmp(value, "slew")) {
889 static GlobalProperty slew_lost_ticks = {
890 .driver = "mc146818rtc",
891 .property = "lost_tick_policy",
892 .value = "slew",
893 };
894
895 qdev_prop_register_global(&slew_lost_ticks);
896 } else if (!strcmp(value, "none")) {
897 /* discard is default */
898 } else {
899 error_report("invalid option value '%s'", value);
900 exit(1);
901 }
902 }
903 }
904
905 /***********************************************************/
906 /* Bluetooth support */
907 static int nb_hcis;
908 static int cur_hci;
909 static struct HCIInfo *hci_table[MAX_NICS];
910
911 struct HCIInfo *qemu_next_hci(void)
912 {
913 if (cur_hci == nb_hcis)
914 return &null_hci;
915
916 return hci_table[cur_hci++];
917 }
918
919 static int bt_hci_parse(const char *str)
920 {
921 struct HCIInfo *hci;
922 bdaddr_t bdaddr;
923
924 if (nb_hcis >= MAX_NICS) {
925 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
926 return -1;
927 }
928
929 hci = hci_init(str);
930 if (!hci)
931 return -1;
932
933 bdaddr.b[0] = 0x52;
934 bdaddr.b[1] = 0x54;
935 bdaddr.b[2] = 0x00;
936 bdaddr.b[3] = 0x12;
937 bdaddr.b[4] = 0x34;
938 bdaddr.b[5] = 0x56 + nb_hcis;
939 hci->bdaddr_set(hci, bdaddr.b);
940
941 hci_table[nb_hcis++] = hci;
942
943 return 0;
944 }
945
946 static void bt_vhci_add(int vlan_id)
947 {
948 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
949
950 if (!vlan->slave)
951 warn_report("adding a VHCI to an empty scatternet %i",
952 vlan_id);
953
954 bt_vhci_init(bt_new_hci(vlan));
955 }
956
957 static struct bt_device_s *bt_device_add(const char *opt)
958 {
959 struct bt_scatternet_s *vlan;
960 int vlan_id = 0;
961 char *endp = strstr(opt, ",vlan=");
962 int len = (endp ? endp - opt : strlen(opt)) + 1;
963 char devname[10];
964
965 pstrcpy(devname, MIN(sizeof(devname), len), opt);
966
967 if (endp) {
968 vlan_id = strtol(endp + 6, &endp, 0);
969 if (*endp) {
970 error_report("unrecognised bluetooth vlan Id");
971 return 0;
972 }
973 }
974
975 vlan = qemu_find_bt_vlan(vlan_id);
976
977 if (!vlan->slave)
978 warn_report("adding a slave device to an empty scatternet %i",
979 vlan_id);
980
981 if (!strcmp(devname, "keyboard"))
982 return bt_keyboard_init(vlan);
983
984 error_report("unsupported bluetooth device '%s'", devname);
985 return 0;
986 }
987
988 static int bt_parse(const char *opt)
989 {
990 const char *endp, *p;
991 int vlan;
992
993 if (strstart(opt, "hci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp)
996 if (!strstart(endp, ",vlan=", 0))
997 opt = endp + 1;
998
999 return bt_hci_parse(opt);
1000 }
1001 } else if (strstart(opt, "vhci", &endp)) {
1002 if (!*endp || *endp == ',') {
1003 if (*endp) {
1004 if (strstart(endp, ",vlan=", &p)) {
1005 vlan = strtol(p, (char **) &endp, 0);
1006 if (*endp) {
1007 error_report("bad scatternet '%s'", p);
1008 return 1;
1009 }
1010 } else {
1011 error_report("bad parameter '%s'", endp + 1);
1012 return 1;
1013 }
1014 } else
1015 vlan = 0;
1016
1017 bt_vhci_add(vlan);
1018 return 0;
1019 }
1020 } else if (strstart(opt, "device:", &endp))
1021 return !bt_device_add(endp);
1022
1023 error_report("bad bluetooth parameter '%s'", opt);
1024 return 1;
1025 }
1026
1027 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1028 {
1029 const char *proc_name;
1030
1031 if (qemu_opt_get(opts, "debug-threads")) {
1032 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1033 }
1034 qemu_name = qemu_opt_get(opts, "guest");
1035
1036 proc_name = qemu_opt_get(opts, "process");
1037 if (proc_name) {
1038 os_set_proc_name(proc_name);
1039 }
1040
1041 return 0;
1042 }
1043
1044 bool defaults_enabled(void)
1045 {
1046 return has_defaults;
1047 }
1048
1049 #ifndef _WIN32
1050 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1051 {
1052 int fd, dupfd, flags;
1053 int64_t fdset_id;
1054 const char *fd_opaque = NULL;
1055 AddfdInfo *fdinfo;
1056
1057 fd = qemu_opt_get_number(opts, "fd", -1);
1058 fdset_id = qemu_opt_get_number(opts, "set", -1);
1059 fd_opaque = qemu_opt_get(opts, "opaque");
1060
1061 if (fd < 0) {
1062 error_setg(errp, "fd option is required and must be non-negative");
1063 return -1;
1064 }
1065
1066 if (fd <= STDERR_FILENO) {
1067 error_setg(errp, "fd cannot be a standard I/O stream");
1068 return -1;
1069 }
1070
1071 /*
1072 * All fds inherited across exec() necessarily have FD_CLOEXEC
1073 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1074 */
1075 flags = fcntl(fd, F_GETFD);
1076 if (flags == -1 || (flags & FD_CLOEXEC)) {
1077 error_setg(errp, "fd is not valid or already in use");
1078 return -1;
1079 }
1080
1081 if (fdset_id < 0) {
1082 error_setg(errp, "set option is required and must be non-negative");
1083 return -1;
1084 }
1085
1086 #ifdef F_DUPFD_CLOEXEC
1087 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1088 #else
1089 dupfd = dup(fd);
1090 if (dupfd != -1) {
1091 qemu_set_cloexec(dupfd);
1092 }
1093 #endif
1094 if (dupfd == -1) {
1095 error_setg(errp, "error duplicating fd: %s", strerror(errno));
1096 return -1;
1097 }
1098
1099 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1100 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1101 &error_abort);
1102 g_free(fdinfo);
1103
1104 return 0;
1105 }
1106
1107 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1108 {
1109 int fd;
1110
1111 fd = qemu_opt_get_number(opts, "fd", -1);
1112 close(fd);
1113
1114 return 0;
1115 }
1116 #endif
1117
1118 /***********************************************************/
1119 /* QEMU Block devices */
1120
1121 #define HD_OPTS "media=disk"
1122 #define CDROM_OPTS "media=cdrom"
1123 #define FD_OPTS ""
1124 #define PFLASH_OPTS ""
1125 #define MTD_OPTS ""
1126 #define SD_OPTS ""
1127
1128 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1129 {
1130 BlockInterfaceType *block_default_type = opaque;
1131
1132 return drive_new(opts, *block_default_type) == NULL;
1133 }
1134
1135 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1136 {
1137 if (qemu_opt_get(opts, "snapshot") == NULL) {
1138 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1139 }
1140 return 0;
1141 }
1142
1143 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1144 int index, const char *optstr)
1145 {
1146 QemuOpts *opts;
1147 DriveInfo *dinfo;
1148
1149 if (!enable || drive_get_by_index(type, index)) {
1150 return;
1151 }
1152
1153 opts = drive_add(type, index, NULL, optstr);
1154 if (snapshot) {
1155 drive_enable_snapshot(NULL, opts, NULL);
1156 }
1157
1158 dinfo = drive_new(opts, type);
1159 if (!dinfo) {
1160 exit(1);
1161 }
1162 dinfo->is_default = true;
1163
1164 }
1165
1166 static QemuOptsList qemu_smp_opts = {
1167 .name = "smp-opts",
1168 .implied_opt_name = "cpus",
1169 .merge_lists = true,
1170 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1171 .desc = {
1172 {
1173 .name = "cpus",
1174 .type = QEMU_OPT_NUMBER,
1175 }, {
1176 .name = "sockets",
1177 .type = QEMU_OPT_NUMBER,
1178 }, {
1179 .name = "cores",
1180 .type = QEMU_OPT_NUMBER,
1181 }, {
1182 .name = "threads",
1183 .type = QEMU_OPT_NUMBER,
1184 }, {
1185 .name = "maxcpus",
1186 .type = QEMU_OPT_NUMBER,
1187 },
1188 { /*End of list */ }
1189 },
1190 };
1191
1192 static void smp_parse(QemuOpts *opts)
1193 {
1194 if (opts) {
1195 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1196 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1197 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1198 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1199
1200 /* compute missing values, prefer sockets over cores over threads */
1201 if (cpus == 0 || sockets == 0) {
1202 sockets = sockets > 0 ? sockets : 1;
1203 cores = cores > 0 ? cores : 1;
1204 threads = threads > 0 ? threads : 1;
1205 if (cpus == 0) {
1206 cpus = cores * threads * sockets;
1207 }
1208 } else if (cores == 0) {
1209 threads = threads > 0 ? threads : 1;
1210 cores = cpus / (sockets * threads);
1211 cores = cores > 0 ? cores : 1;
1212 } else if (threads == 0) {
1213 threads = cpus / (cores * sockets);
1214 threads = threads > 0 ? threads : 1;
1215 } else if (sockets * cores * threads < cpus) {
1216 error_report("cpu topology: "
1217 "sockets (%u) * cores (%u) * threads (%u) < "
1218 "smp_cpus (%u)",
1219 sockets, cores, threads, cpus);
1220 exit(1);
1221 }
1222
1223 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1224
1225 if (max_cpus < cpus) {
1226 error_report("maxcpus must be equal to or greater than smp");
1227 exit(1);
1228 }
1229
1230 if (sockets * cores * threads > max_cpus) {
1231 error_report("cpu topology: "
1232 "sockets (%u) * cores (%u) * threads (%u) > "
1233 "maxcpus (%u)",
1234 sockets, cores, threads, max_cpus);
1235 exit(1);
1236 }
1237
1238 smp_cpus = cpus;
1239 smp_cores = cores;
1240 smp_threads = threads;
1241 }
1242
1243 if (smp_cpus > 1) {
1244 Error *blocker = NULL;
1245 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1246 replay_add_blocker(blocker);
1247 }
1248 }
1249
1250 static void realtime_init(void)
1251 {
1252 if (enable_mlock) {
1253 if (os_mlock() < 0) {
1254 error_report("locking memory failed");
1255 exit(1);
1256 }
1257 }
1258 }
1259
1260
1261 static void configure_msg(QemuOpts *opts)
1262 {
1263 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1264 }
1265
1266 /***********************************************************/
1267 /* Semihosting */
1268
1269 typedef struct SemihostingConfig {
1270 bool enabled;
1271 SemihostingTarget target;
1272 const char **argv;
1273 int argc;
1274 const char *cmdline; /* concatenated argv */
1275 } SemihostingConfig;
1276
1277 static SemihostingConfig semihosting;
1278
1279 bool semihosting_enabled(void)
1280 {
1281 return semihosting.enabled;
1282 }
1283
1284 SemihostingTarget semihosting_get_target(void)
1285 {
1286 return semihosting.target;
1287 }
1288
1289 const char *semihosting_get_arg(int i)
1290 {
1291 if (i >= semihosting.argc) {
1292 return NULL;
1293 }
1294 return semihosting.argv[i];
1295 }
1296
1297 int semihosting_get_argc(void)
1298 {
1299 return semihosting.argc;
1300 }
1301
1302 const char *semihosting_get_cmdline(void)
1303 {
1304 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1305 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1306 }
1307 return semihosting.cmdline;
1308 }
1309
1310 static int add_semihosting_arg(void *opaque,
1311 const char *name, const char *val,
1312 Error **errp)
1313 {
1314 SemihostingConfig *s = opaque;
1315 if (strcmp(name, "arg") == 0) {
1316 s->argc++;
1317 /* one extra element as g_strjoinv() expects NULL-terminated array */
1318 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1319 s->argv[s->argc - 1] = val;
1320 s->argv[s->argc] = NULL;
1321 }
1322 return 0;
1323 }
1324
1325 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1326 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1327 {
1328 char *cmd_token;
1329
1330 /* argv[0] */
1331 add_semihosting_arg(&semihosting, "arg", file, NULL);
1332
1333 /* split -append and initialize argv[1..n] */
1334 cmd_token = strtok(g_strdup(cmd), " ");
1335 while (cmd_token) {
1336 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1337 cmd_token = strtok(NULL, " ");
1338 }
1339 }
1340
1341 /* Now we still need this for compatibility with XEN. */
1342 bool has_igd_gfx_passthru;
1343 static void igd_gfx_passthru(void)
1344 {
1345 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1346 }
1347
1348 /***********************************************************/
1349 /* USB devices */
1350
1351 static int usb_device_add(const char *devname)
1352 {
1353 USBDevice *dev = NULL;
1354
1355 if (!machine_usb(current_machine)) {
1356 return -1;
1357 }
1358
1359 dev = usbdevice_create(devname);
1360 if (!dev)
1361 return -1;
1362
1363 return 0;
1364 }
1365
1366 static int usb_parse(const char *cmdline)
1367 {
1368 int r;
1369 r = usb_device_add(cmdline);
1370 if (r < 0) {
1371 error_report("could not add USB device '%s'", cmdline);
1372 }
1373 return r;
1374 }
1375
1376 /***********************************************************/
1377 /* machine registration */
1378
1379 MachineState *current_machine;
1380
1381 static MachineClass *find_machine(const char *name)
1382 {
1383 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1384 MachineClass *mc = NULL;
1385
1386 for (el = machines; el; el = el->next) {
1387 MachineClass *temp = el->data;
1388
1389 if (!strcmp(temp->name, name)) {
1390 mc = temp;
1391 break;
1392 }
1393 if (temp->alias &&
1394 !strcmp(temp->alias, name)) {
1395 mc = temp;
1396 break;
1397 }
1398 }
1399
1400 g_slist_free(machines);
1401 return mc;
1402 }
1403
1404 MachineClass *find_default_machine(void)
1405 {
1406 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1407 MachineClass *mc = NULL;
1408
1409 for (el = machines; el; el = el->next) {
1410 MachineClass *temp = el->data;
1411
1412 if (temp->is_default) {
1413 mc = temp;
1414 break;
1415 }
1416 }
1417
1418 g_slist_free(machines);
1419 return mc;
1420 }
1421
1422 MachineInfoList *qmp_query_machines(Error **errp)
1423 {
1424 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1425 MachineInfoList *mach_list = NULL;
1426
1427 for (el = machines; el; el = el->next) {
1428 MachineClass *mc = el->data;
1429 MachineInfoList *entry;
1430 MachineInfo *info;
1431
1432 info = g_malloc0(sizeof(*info));
1433 if (mc->is_default) {
1434 info->has_is_default = true;
1435 info->is_default = true;
1436 }
1437
1438 if (mc->alias) {
1439 info->has_alias = true;
1440 info->alias = g_strdup(mc->alias);
1441 }
1442
1443 info->name = g_strdup(mc->name);
1444 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1445 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1446
1447 entry = g_malloc0(sizeof(*entry));
1448 entry->value = info;
1449 entry->next = mach_list;
1450 mach_list = entry;
1451 }
1452
1453 g_slist_free(machines);
1454 return mach_list;
1455 }
1456
1457 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1458 {
1459 ObjectProperty *prop;
1460 ObjectPropertyIterator iter;
1461
1462 if (!qemu_opt_has_help_opt(opts)) {
1463 return 0;
1464 }
1465
1466 object_property_iter_init(&iter, OBJECT(machine));
1467 while ((prop = object_property_iter_next(&iter))) {
1468 if (!prop->set) {
1469 continue;
1470 }
1471
1472 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1473 prop->name, prop->type);
1474 if (prop->description) {
1475 error_printf(" (%s)\n", prop->description);
1476 } else {
1477 error_printf("\n");
1478 }
1479 }
1480
1481 return 1;
1482 }
1483
1484 /***********************************************************/
1485 /* main execution loop */
1486
1487 struct vm_change_state_entry {
1488 VMChangeStateHandler *cb;
1489 void *opaque;
1490 QLIST_ENTRY (vm_change_state_entry) entries;
1491 };
1492
1493 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1494
1495 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1496 void *opaque)
1497 {
1498 VMChangeStateEntry *e;
1499
1500 e = g_malloc0(sizeof (*e));
1501
1502 e->cb = cb;
1503 e->opaque = opaque;
1504 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1505 return e;
1506 }
1507
1508 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1509 {
1510 QLIST_REMOVE (e, entries);
1511 g_free (e);
1512 }
1513
1514 void vm_state_notify(int running, RunState state)
1515 {
1516 VMChangeStateEntry *e, *next;
1517
1518 trace_vm_state_notify(running, state);
1519
1520 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1521 e->cb(e->opaque, running, state);
1522 }
1523 }
1524
1525 static ShutdownCause reset_requested;
1526 static ShutdownCause shutdown_requested;
1527 static int shutdown_signal;
1528 static pid_t shutdown_pid;
1529 static int powerdown_requested;
1530 static int debug_requested;
1531 static int suspend_requested;
1532 static bool preconfig_exit_requested = true;
1533 static WakeupReason wakeup_reason;
1534 static NotifierList powerdown_notifiers =
1535 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1536 static NotifierList suspend_notifiers =
1537 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1538 static NotifierList wakeup_notifiers =
1539 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1540 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1541
1542 ShutdownCause qemu_shutdown_requested_get(void)
1543 {
1544 return shutdown_requested;
1545 }
1546
1547 ShutdownCause qemu_reset_requested_get(void)
1548 {
1549 return reset_requested;
1550 }
1551
1552 static int qemu_shutdown_requested(void)
1553 {
1554 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1555 }
1556
1557 static void qemu_kill_report(void)
1558 {
1559 if (!qtest_driver() && shutdown_signal) {
1560 if (shutdown_pid == 0) {
1561 /* This happens for eg ^C at the terminal, so it's worth
1562 * avoiding printing an odd message in that case.
1563 */
1564 error_report("terminating on signal %d", shutdown_signal);
1565 } else {
1566 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1567
1568 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1569 shutdown_signal, shutdown_pid,
1570 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1571 g_free(shutdown_cmd);
1572 }
1573 shutdown_signal = 0;
1574 }
1575 }
1576
1577 static ShutdownCause qemu_reset_requested(void)
1578 {
1579 ShutdownCause r = reset_requested;
1580
1581 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1582 reset_requested = SHUTDOWN_CAUSE_NONE;
1583 return r;
1584 }
1585 return SHUTDOWN_CAUSE_NONE;
1586 }
1587
1588 static int qemu_suspend_requested(void)
1589 {
1590 int r = suspend_requested;
1591 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1592 suspend_requested = 0;
1593 return r;
1594 }
1595 return false;
1596 }
1597
1598 static WakeupReason qemu_wakeup_requested(void)
1599 {
1600 return wakeup_reason;
1601 }
1602
1603 static int qemu_powerdown_requested(void)
1604 {
1605 int r = powerdown_requested;
1606 powerdown_requested = 0;
1607 return r;
1608 }
1609
1610 static int qemu_debug_requested(void)
1611 {
1612 int r = debug_requested;
1613 debug_requested = 0;
1614 return r;
1615 }
1616
1617 void qemu_exit_preconfig_request(void)
1618 {
1619 preconfig_exit_requested = true;
1620 }
1621
1622 /*
1623 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1624 */
1625 void qemu_system_reset(ShutdownCause reason)
1626 {
1627 MachineClass *mc;
1628
1629 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1630
1631 cpu_synchronize_all_states();
1632
1633 if (mc && mc->reset) {
1634 mc->reset();
1635 } else {
1636 qemu_devices_reset();
1637 }
1638 if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1639 qapi_event_send_reset(shutdown_caused_by_guest(reason));
1640 }
1641 cpu_synchronize_all_post_reset();
1642 }
1643
1644 void qemu_system_guest_panicked(GuestPanicInformation *info)
1645 {
1646 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
1647
1648 if (current_cpu) {
1649 current_cpu->crash_occurred = true;
1650 }
1651 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1652 !!info, info);
1653 vm_stop(RUN_STATE_GUEST_PANICKED);
1654 if (!no_shutdown) {
1655 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1656 !!info, info);
1657 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1658 }
1659
1660 if (info) {
1661 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1662 qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
1663 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1664 info->u.hyper_v.arg1,
1665 info->u.hyper_v.arg2,
1666 info->u.hyper_v.arg3,
1667 info->u.hyper_v.arg4,
1668 info->u.hyper_v.arg5);
1669 } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
1670 qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
1671 "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
1672 info->u.s390.core,
1673 S390CrashReason_str(info->u.s390.reason),
1674 info->u.s390.psw_mask,
1675 info->u.s390.psw_addr);
1676 }
1677 qapi_free_GuestPanicInformation(info);
1678 }
1679 }
1680
1681 void qemu_system_reset_request(ShutdownCause reason)
1682 {
1683 if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
1684 shutdown_requested = reason;
1685 } else {
1686 reset_requested = reason;
1687 }
1688 cpu_stop_current();
1689 qemu_notify_event();
1690 }
1691
1692 static void qemu_system_suspend(void)
1693 {
1694 pause_all_vcpus();
1695 notifier_list_notify(&suspend_notifiers, NULL);
1696 runstate_set(RUN_STATE_SUSPENDED);
1697 qapi_event_send_suspend();
1698 }
1699
1700 void qemu_system_suspend_request(void)
1701 {
1702 if (runstate_check(RUN_STATE_SUSPENDED)) {
1703 return;
1704 }
1705 suspend_requested = 1;
1706 cpu_stop_current();
1707 qemu_notify_event();
1708 }
1709
1710 void qemu_register_suspend_notifier(Notifier *notifier)
1711 {
1712 notifier_list_add(&suspend_notifiers, notifier);
1713 }
1714
1715 void qemu_system_wakeup_request(WakeupReason reason)
1716 {
1717 trace_system_wakeup_request(reason);
1718
1719 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1720 return;
1721 }
1722 if (!(wakeup_reason_mask & (1 << reason))) {
1723 return;
1724 }
1725 runstate_set(RUN_STATE_RUNNING);
1726 wakeup_reason = reason;
1727 qemu_notify_event();
1728 }
1729
1730 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1731 {
1732 if (enabled) {
1733 wakeup_reason_mask |= (1 << reason);
1734 } else {
1735 wakeup_reason_mask &= ~(1 << reason);
1736 }
1737 }
1738
1739 void qemu_register_wakeup_notifier(Notifier *notifier)
1740 {
1741 notifier_list_add(&wakeup_notifiers, notifier);
1742 }
1743
1744 void qemu_system_killed(int signal, pid_t pid)
1745 {
1746 shutdown_signal = signal;
1747 shutdown_pid = pid;
1748 no_shutdown = 0;
1749
1750 /* Cannot call qemu_system_shutdown_request directly because
1751 * we are in a signal handler.
1752 */
1753 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1754 qemu_notify_event();
1755 }
1756
1757 void qemu_system_shutdown_request(ShutdownCause reason)
1758 {
1759 trace_qemu_system_shutdown_request(reason);
1760 replay_shutdown_request(reason);
1761 shutdown_requested = reason;
1762 qemu_notify_event();
1763 }
1764
1765 static void qemu_system_powerdown(void)
1766 {
1767 qapi_event_send_powerdown();
1768 notifier_list_notify(&powerdown_notifiers, NULL);
1769 }
1770
1771 void qemu_system_powerdown_request(void)
1772 {
1773 trace_qemu_system_powerdown_request();
1774 powerdown_requested = 1;
1775 qemu_notify_event();
1776 }
1777
1778 void qemu_register_powerdown_notifier(Notifier *notifier)
1779 {
1780 notifier_list_add(&powerdown_notifiers, notifier);
1781 }
1782
1783 void qemu_system_debug_request(void)
1784 {
1785 debug_requested = 1;
1786 qemu_notify_event();
1787 }
1788
1789 static bool main_loop_should_exit(void)
1790 {
1791 RunState r;
1792 ShutdownCause request;
1793
1794 if (preconfig_exit_requested) {
1795 if (runstate_check(RUN_STATE_PRECONFIG)) {
1796 runstate_set(RUN_STATE_PRELAUNCH);
1797 }
1798 preconfig_exit_requested = false;
1799 return true;
1800 }
1801 if (qemu_debug_requested()) {
1802 vm_stop(RUN_STATE_DEBUG);
1803 }
1804 if (qemu_suspend_requested()) {
1805 qemu_system_suspend();
1806 }
1807 request = qemu_shutdown_requested();
1808 if (request) {
1809 qemu_kill_report();
1810 qapi_event_send_shutdown(shutdown_caused_by_guest(request));
1811 if (no_shutdown) {
1812 vm_stop(RUN_STATE_SHUTDOWN);
1813 } else {
1814 return true;
1815 }
1816 }
1817 request = qemu_reset_requested();
1818 if (request) {
1819 pause_all_vcpus();
1820 qemu_system_reset(request);
1821 resume_all_vcpus();
1822 if (!runstate_check(RUN_STATE_RUNNING) &&
1823 !runstate_check(RUN_STATE_INMIGRATE)) {
1824 runstate_set(RUN_STATE_PRELAUNCH);
1825 }
1826 }
1827 if (qemu_wakeup_requested()) {
1828 pause_all_vcpus();
1829 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1830 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1831 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1832 resume_all_vcpus();
1833 qapi_event_send_wakeup();
1834 }
1835 if (qemu_powerdown_requested()) {
1836 qemu_system_powerdown();
1837 }
1838 if (qemu_vmstop_requested(&r)) {
1839 vm_stop(r);
1840 }
1841 return false;
1842 }
1843
1844 static void main_loop(void)
1845 {
1846 #ifdef CONFIG_PROFILER
1847 int64_t ti;
1848 #endif
1849 while (!main_loop_should_exit()) {
1850 #ifdef CONFIG_PROFILER
1851 ti = profile_getclock();
1852 #endif
1853 main_loop_wait(false);
1854 #ifdef CONFIG_PROFILER
1855 dev_time += profile_getclock() - ti;
1856 #endif
1857 }
1858 }
1859
1860 static void version(void)
1861 {
1862 printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
1863 QEMU_COPYRIGHT "\n");
1864 }
1865
1866 static void help(int exitcode)
1867 {
1868 version();
1869 printf("usage: %s [options] [disk_image]\n\n"
1870 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1871 error_get_progname());
1872
1873 #define QEMU_OPTIONS_GENERATE_HELP
1874 #include "qemu-options-wrapper.h"
1875
1876 printf("\nDuring emulation, the following keys are useful:\n"
1877 "ctrl-alt-f toggle full screen\n"
1878 "ctrl-alt-n switch to virtual console 'n'\n"
1879 "ctrl-alt toggle mouse and keyboard grab\n"
1880 "\n"
1881 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1882 "\n"
1883 QEMU_HELP_BOTTOM "\n");
1884
1885 exit(exitcode);
1886 }
1887
1888 #define HAS_ARG 0x0001
1889
1890 typedef struct QEMUOption {
1891 const char *name;
1892 int flags;
1893 int index;
1894 uint32_t arch_mask;
1895 } QEMUOption;
1896
1897 static const QEMUOption qemu_options[] = {
1898 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1899 #define QEMU_OPTIONS_GENERATE_OPTIONS
1900 #include "qemu-options-wrapper.h"
1901 { NULL },
1902 };
1903
1904 typedef struct VGAInterfaceInfo {
1905 const char *opt_name; /* option name */
1906 const char *name; /* human-readable name */
1907 /* Class names indicating that support is available.
1908 * If no class is specified, the interface is always available */
1909 const char *class_names[2];
1910 } VGAInterfaceInfo;
1911
1912 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1913 [VGA_NONE] = {
1914 .opt_name = "none",
1915 },
1916 [VGA_STD] = {
1917 .opt_name = "std",
1918 .name = "standard VGA",
1919 .class_names = { "VGA", "isa-vga" },
1920 },
1921 [VGA_CIRRUS] = {
1922 .opt_name = "cirrus",
1923 .name = "Cirrus VGA",
1924 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1925 },
1926 [VGA_VMWARE] = {
1927 .opt_name = "vmware",
1928 .name = "VMWare SVGA",
1929 .class_names = { "vmware-svga" },
1930 },
1931 [VGA_VIRTIO] = {
1932 .opt_name = "virtio",
1933 .name = "Virtio VGA",
1934 .class_names = { "virtio-vga" },
1935 },
1936 [VGA_QXL] = {
1937 .opt_name = "qxl",
1938 .name = "QXL VGA",
1939 .class_names = { "qxl-vga" },
1940 },
1941 [VGA_TCX] = {
1942 .opt_name = "tcx",
1943 .name = "TCX framebuffer",
1944 .class_names = { "SUNW,tcx" },
1945 },
1946 [VGA_CG3] = {
1947 .opt_name = "cg3",
1948 .name = "CG3 framebuffer",
1949 .class_names = { "cgthree" },
1950 },
1951 [VGA_XENFB] = {
1952 .opt_name = "xenfb",
1953 },
1954 };
1955
1956 static bool vga_interface_available(VGAInterfaceType t)
1957 {
1958 VGAInterfaceInfo *ti = &vga_interfaces[t];
1959
1960 assert(t < VGA_TYPE_MAX);
1961 return !ti->class_names[0] ||
1962 object_class_by_name(ti->class_names[0]) ||
1963 object_class_by_name(ti->class_names[1]);
1964 }
1965
1966 static void select_vgahw(const char *p)
1967 {
1968 const char *opts;
1969 int t;
1970
1971 assert(vga_interface_type == VGA_NONE);
1972 for (t = 0; t < VGA_TYPE_MAX; t++) {
1973 VGAInterfaceInfo *ti = &vga_interfaces[t];
1974 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
1975 if (!vga_interface_available(t)) {
1976 error_report("%s not available", ti->name);
1977 exit(1);
1978 }
1979 vga_interface_type = t;
1980 break;
1981 }
1982 }
1983 if (t == VGA_TYPE_MAX) {
1984 invalid_vga:
1985 error_report("unknown vga type: %s", p);
1986 exit(1);
1987 }
1988 while (*opts) {
1989 const char *nextopt;
1990
1991 if (strstart(opts, ",retrace=", &nextopt)) {
1992 opts = nextopt;
1993 if (strstart(opts, "dumb", &nextopt))
1994 vga_retrace_method = VGA_RETRACE_DUMB;
1995 else if (strstart(opts, "precise", &nextopt))
1996 vga_retrace_method = VGA_RETRACE_PRECISE;
1997 else goto invalid_vga;
1998 } else goto invalid_vga;
1999 opts = nextopt;
2000 }
2001 }
2002
2003 static void parse_display_qapi(const char *optarg)
2004 {
2005 DisplayOptions *opts;
2006 Visitor *v;
2007
2008 v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
2009
2010 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2011 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2012
2013 qapi_free_DisplayOptions(opts);
2014 visit_free(v);
2015 }
2016
2017 static void parse_display(const char *p)
2018 {
2019 const char *opts;
2020
2021 if (strstart(p, "sdl", &opts)) {
2022 /*
2023 * sdl DisplayType needs hand-crafted parser instead of
2024 * parse_display_qapi() due to some options not in
2025 * DisplayOptions, specifically:
2026 * - frame
2027 * Already deprecated.
2028 * - ctrl_grab + alt_grab
2029 * Not clear yet what happens to them long-term. Should
2030 * replaced by something better or deprecated and dropped.
2031 */
2032 dpy.type = DISPLAY_TYPE_SDL;
2033 while (*opts) {
2034 const char *nextopt;
2035
2036 if (strstart(opts, ",frame=", &nextopt)) {
2037 g_printerr("The frame= sdl option is deprecated, and will be\n"
2038 "removed in a future release.\n");
2039 opts = nextopt;
2040 if (strstart(opts, "on", &nextopt)) {
2041 no_frame = 0;
2042 } else if (strstart(opts, "off", &nextopt)) {
2043 no_frame = 1;
2044 } else {
2045 goto invalid_sdl_args;
2046 }
2047 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2048 opts = nextopt;
2049 if (strstart(opts, "on", &nextopt)) {
2050 alt_grab = 1;
2051 } else if (strstart(opts, "off", &nextopt)) {
2052 alt_grab = 0;
2053 } else {
2054 goto invalid_sdl_args;
2055 }
2056 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2057 opts = nextopt;
2058 if (strstart(opts, "on", &nextopt)) {
2059 ctrl_grab = 1;
2060 } else if (strstart(opts, "off", &nextopt)) {
2061 ctrl_grab = 0;
2062 } else {
2063 goto invalid_sdl_args;
2064 }
2065 } else if (strstart(opts, ",window_close=", &nextopt)) {
2066 opts = nextopt;
2067 dpy.has_window_close = true;
2068 if (strstart(opts, "on", &nextopt)) {
2069 dpy.window_close = true;
2070 } else if (strstart(opts, "off", &nextopt)) {
2071 dpy.window_close = false;
2072 } else {
2073 goto invalid_sdl_args;
2074 }
2075 } else if (strstart(opts, ",gl=", &nextopt)) {
2076 opts = nextopt;
2077 dpy.has_gl = true;
2078 if (strstart(opts, "on", &nextopt)) {
2079 dpy.gl = DISPLAYGL_MODE_ON;
2080 } else if (strstart(opts, "core", &nextopt)) {
2081 dpy.gl = DISPLAYGL_MODE_CORE;
2082 } else if (strstart(opts, "es", &nextopt)) {
2083 dpy.gl = DISPLAYGL_MODE_ES;
2084 } else if (strstart(opts, "off", &nextopt)) {
2085 dpy.gl = DISPLAYGL_MODE_OFF;
2086 } else {
2087 goto invalid_sdl_args;
2088 }
2089 } else {
2090 invalid_sdl_args:
2091 error_report("invalid SDL option string");
2092 exit(1);
2093 }
2094 opts = nextopt;
2095 }
2096 } else if (strstart(p, "vnc", &opts)) {
2097 /*
2098 * vnc isn't a (local) DisplayType but a protocol for remote
2099 * display access.
2100 */
2101 if (*opts == '=') {
2102 vnc_parse(opts + 1, &error_fatal);
2103 } else {
2104 error_report("VNC requires a display argument vnc=<display>");
2105 exit(1);
2106 }
2107 } else {
2108 parse_display_qapi(p);
2109 }
2110 }
2111
2112 char *qemu_find_file(int type, const char *name)
2113 {
2114 int i;
2115 const char *subdir;
2116 char *buf;
2117
2118 /* Try the name as a straight path first */
2119 if (access(name, R_OK) == 0) {
2120 trace_load_file(name, name);
2121 return g_strdup(name);
2122 }
2123
2124 switch (type) {
2125 case QEMU_FILE_TYPE_BIOS:
2126 subdir = "";
2127 break;
2128 case QEMU_FILE_TYPE_KEYMAP:
2129 subdir = "keymaps/";
2130 break;
2131 default:
2132 abort();
2133 }
2134
2135 for (i = 0; i < data_dir_idx; i++) {
2136 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2137 if (access(buf, R_OK) == 0) {
2138 trace_load_file(name, buf);
2139 return buf;
2140 }
2141 g_free(buf);
2142 }
2143 return NULL;
2144 }
2145
2146 static void qemu_add_data_dir(const char *path)
2147 {
2148 int i;
2149
2150 if (path == NULL) {
2151 return;
2152 }
2153 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2154 return;
2155 }
2156 for (i = 0; i < data_dir_idx; i++) {
2157 if (strcmp(data_dir[i], path) == 0) {
2158 return; /* duplicate */
2159 }
2160 }
2161 data_dir[data_dir_idx++] = g_strdup(path);
2162 }
2163
2164 static inline bool nonempty_str(const char *str)
2165 {
2166 return str && *str;
2167 }
2168
2169 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2170 {
2171 gchar *buf;
2172 size_t size;
2173 const char *name, *file, *str;
2174 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2175
2176 if (fw_cfg == NULL) {
2177 error_setg(errp, "fw_cfg device not available");
2178 return -1;
2179 }
2180 name = qemu_opt_get(opts, "name");
2181 file = qemu_opt_get(opts, "file");
2182 str = qemu_opt_get(opts, "string");
2183
2184 /* we need name and either a file or the content string */
2185 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2186 error_setg(errp, "invalid argument(s)");
2187 return -1;
2188 }
2189 if (nonempty_str(file) && nonempty_str(str)) {
2190 error_setg(errp, "file and string are mutually exclusive");
2191 return -1;
2192 }
2193 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2194 error_setg(errp, "name too long (max. %d char)",
2195 FW_CFG_MAX_FILE_PATH - 1);
2196 return -1;
2197 }
2198 if (strncmp(name, "opt/", 4) != 0) {
2199 warn_report("externally provided fw_cfg item names "
2200 "should be prefixed with \"opt/\"");
2201 }
2202 if (nonempty_str(str)) {
2203 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2204 buf = g_memdup(str, size);
2205 } else {
2206 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2207 error_setg(errp, "can't load %s", file);
2208 return -1;
2209 }
2210 }
2211 /* For legacy, keep user files in a specific global order. */
2212 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2213 fw_cfg_add_file(fw_cfg, name, buf, size);
2214 fw_cfg_reset_order_override(fw_cfg);
2215 return 0;
2216 }
2217
2218 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2219 {
2220 return qdev_device_help(opts);
2221 }
2222
2223 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2224 {
2225 DeviceState *dev;
2226
2227 dev = qdev_device_add(opts, errp);
2228 if (!dev) {
2229 return -1;
2230 }
2231 object_unref(OBJECT(dev));
2232 return 0;
2233 }
2234
2235 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2236 {
2237 Error *local_err = NULL;
2238
2239 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2240 if (local_err) {
2241 error_propagate(errp, local_err);
2242 return -1;
2243 }
2244 exit(0);
2245 }
2246 return 0;
2247 }
2248
2249 #ifdef CONFIG_VIRTFS
2250 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2251 {
2252 return qemu_fsdev_add(opts);
2253 }
2254 #endif
2255
2256 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2257 {
2258 Chardev *chr;
2259 const char *chardev;
2260 const char *mode;
2261 int flags;
2262
2263 mode = qemu_opt_get(opts, "mode");
2264 if (mode == NULL) {
2265 mode = "readline";
2266 }
2267 if (strcmp(mode, "readline") == 0) {
2268 flags = MONITOR_USE_READLINE;
2269 } else if (strcmp(mode, "control") == 0) {
2270 flags = MONITOR_USE_CONTROL;
2271 } else {
2272 error_setg(errp, "unknown monitor mode \"%s\"", mode);
2273 return -1;
2274 }
2275
2276 if (qemu_opt_get_bool(opts, "pretty", 0))
2277 flags |= MONITOR_USE_PRETTY;
2278
2279 /* OOB is off by default */
2280 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2281 flags |= MONITOR_USE_OOB;
2282 }
2283
2284 chardev = qemu_opt_get(opts, "chardev");
2285 chr = qemu_chr_find(chardev);
2286 if (chr == NULL) {
2287 error_setg(errp, "chardev \"%s\" not found", chardev);
2288 return -1;
2289 }
2290
2291 monitor_init(chr, flags);
2292 return 0;
2293 }
2294
2295 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2296 {
2297 static int monitor_device_index = 0;
2298 QemuOpts *opts;
2299 const char *p;
2300 char label[32];
2301
2302 if (strstart(optarg, "chardev:", &p)) {
2303 snprintf(label, sizeof(label), "%s", p);
2304 } else {
2305 snprintf(label, sizeof(label), "compat_monitor%d",
2306 monitor_device_index);
2307 opts = qemu_chr_parse_compat(label, optarg, true);
2308 if (!opts) {
2309 error_report("parse error: %s", optarg);
2310 exit(1);
2311 }
2312 }
2313
2314 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2315 qemu_opt_set(opts, "mode", mode, &error_abort);
2316 qemu_opt_set(opts, "chardev", label, &error_abort);
2317 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2318 monitor_device_index++;
2319 }
2320
2321 struct device_config {
2322 enum {
2323 DEV_USB, /* -usbdevice */
2324 DEV_BT, /* -bt */
2325 DEV_SERIAL, /* -serial */
2326 DEV_PARALLEL, /* -parallel */
2327 DEV_VIRTCON, /* -virtioconsole */
2328 DEV_DEBUGCON, /* -debugcon */
2329 DEV_GDB, /* -gdb, -s */
2330 DEV_SCLP, /* s390 sclp */
2331 } type;
2332 const char *cmdline;
2333 Location loc;
2334 QTAILQ_ENTRY(device_config) next;
2335 };
2336
2337 static QTAILQ_HEAD(, device_config) device_configs =
2338 QTAILQ_HEAD_INITIALIZER(device_configs);
2339
2340 static void add_device_config(int type, const char *cmdline)
2341 {
2342 struct device_config *conf;
2343
2344 conf = g_malloc0(sizeof(*conf));
2345 conf->type = type;
2346 conf->cmdline = cmdline;
2347 loc_save(&conf->loc);
2348 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2349 }
2350
2351 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2352 {
2353 struct device_config *conf;
2354 int rc;
2355
2356 QTAILQ_FOREACH(conf, &device_configs, next) {
2357 if (conf->type != type)
2358 continue;
2359 loc_push_restore(&conf->loc);
2360 rc = func(conf->cmdline);
2361 loc_pop(&conf->loc);
2362 if (rc) {
2363 return rc;
2364 }
2365 }
2366 return 0;
2367 }
2368
2369 static int serial_parse(const char *devname)
2370 {
2371 int index = num_serial_hds;
2372 char label[32];
2373
2374 if (strcmp(devname, "none") == 0)
2375 return 0;
2376 snprintf(label, sizeof(label), "serial%d", index);
2377 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2378
2379 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2380 if (!serial_hds[index]) {
2381 error_report("could not connect serial device"
2382 " to character backend '%s'", devname);
2383 return -1;
2384 }
2385 num_serial_hds++;
2386 return 0;
2387 }
2388
2389 Chardev *serial_hd(int i)
2390 {
2391 assert(i >= 0);
2392 if (i < num_serial_hds) {
2393 return serial_hds[i];
2394 }
2395 return NULL;
2396 }
2397
2398 int serial_max_hds(void)
2399 {
2400 return num_serial_hds;
2401 }
2402
2403 static int parallel_parse(const char *devname)
2404 {
2405 static int index = 0;
2406 char label[32];
2407
2408 if (strcmp(devname, "none") == 0)
2409 return 0;
2410 if (index == MAX_PARALLEL_PORTS) {
2411 error_report("too many parallel ports");
2412 exit(1);
2413 }
2414 snprintf(label, sizeof(label), "parallel%d", index);
2415 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2416 if (!parallel_hds[index]) {
2417 error_report("could not connect parallel device"
2418 " to character backend '%s'", devname);
2419 return -1;
2420 }
2421 index++;
2422 return 0;
2423 }
2424
2425 static int virtcon_parse(const char *devname)
2426 {
2427 QemuOptsList *device = qemu_find_opts("device");
2428 static int index = 0;
2429 char label[32];
2430 QemuOpts *bus_opts, *dev_opts;
2431
2432 if (strcmp(devname, "none") == 0)
2433 return 0;
2434 if (index == MAX_VIRTIO_CONSOLES) {
2435 error_report("too many virtio consoles");
2436 exit(1);
2437 }
2438
2439 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2440 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2441
2442 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2443 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2444
2445 snprintf(label, sizeof(label), "virtcon%d", index);
2446 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2447 if (!virtcon_hds[index]) {
2448 error_report("could not connect virtio console"
2449 " to character backend '%s'", devname);
2450 return -1;
2451 }
2452 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2453
2454 index++;
2455 return 0;
2456 }
2457
2458 static int debugcon_parse(const char *devname)
2459 {
2460 QemuOpts *opts;
2461
2462 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2463 error_report("invalid character backend '%s'", devname);
2464 exit(1);
2465 }
2466 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2467 if (!opts) {
2468 error_report("already have a debugcon device");
2469 exit(1);
2470 }
2471 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2472 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2473 return 0;
2474 }
2475
2476 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2477 {
2478 const MachineClass *mc1 = a, *mc2 = b;
2479 int res;
2480
2481 if (mc1->family == NULL) {
2482 if (mc2->family == NULL) {
2483 /* Compare standalone machine types against each other; they sort
2484 * in increasing order.
2485 */
2486 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2487 object_class_get_name(OBJECT_CLASS(mc2)));
2488 }
2489
2490 /* Standalone machine types sort after families. */
2491 return 1;
2492 }
2493
2494 if (mc2->family == NULL) {
2495 /* Families sort before standalone machine types. */
2496 return -1;
2497 }
2498
2499 /* Families sort between each other alphabetically increasingly. */
2500 res = strcmp(mc1->family, mc2->family);
2501 if (res != 0) {
2502 return res;
2503 }
2504
2505 /* Within the same family, machine types sort in decreasing order. */
2506 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2507 object_class_get_name(OBJECT_CLASS(mc1)));
2508 }
2509
2510 static MachineClass *machine_parse(const char *name)
2511 {
2512 MachineClass *mc = NULL;
2513 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2514
2515 if (name) {
2516 mc = find_machine(name);
2517 }
2518 if (mc) {
2519 g_slist_free(machines);
2520 return mc;
2521 }
2522 if (name && !is_help_option(name)) {
2523 error_report("unsupported machine type");
2524 error_printf("Use -machine help to list supported machines\n");
2525 } else {
2526 printf("Supported machines are:\n");
2527 machines = g_slist_sort(machines, machine_class_cmp);
2528 for (el = machines; el; el = el->next) {
2529 MachineClass *mc = el->data;
2530 if (mc->alias) {
2531 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2532 }
2533 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2534 mc->is_default ? " (default)" : "",
2535 mc->deprecation_reason ? " (deprecated)" : "");
2536 }
2537 }
2538
2539 g_slist_free(machines);
2540 exit(!name || !is_help_option(name));
2541 }
2542
2543 void qemu_add_exit_notifier(Notifier *notify)
2544 {
2545 notifier_list_add(&exit_notifiers, notify);
2546 }
2547
2548 void qemu_remove_exit_notifier(Notifier *notify)
2549 {
2550 notifier_remove(notify);
2551 }
2552
2553 static void qemu_run_exit_notifiers(void)
2554 {
2555 notifier_list_notify(&exit_notifiers, NULL);
2556 }
2557
2558 static const char *pid_file;
2559 static Notifier qemu_unlink_pidfile_notifier;
2560
2561 static void qemu_unlink_pidfile(Notifier *n, void *data)
2562 {
2563 if (pid_file) {
2564 unlink(pid_file);
2565 }
2566 }
2567
2568 bool machine_init_done;
2569
2570 void qemu_add_machine_init_done_notifier(Notifier *notify)
2571 {
2572 notifier_list_add(&machine_init_done_notifiers, notify);
2573 if (machine_init_done) {
2574 notify->notify(notify, NULL);
2575 }
2576 }
2577
2578 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2579 {
2580 notifier_remove(notify);
2581 }
2582
2583 static void qemu_run_machine_init_done_notifiers(void)
2584 {
2585 machine_init_done = true;
2586 notifier_list_notify(&machine_init_done_notifiers, NULL);
2587 }
2588
2589 static const QEMUOption *lookup_opt(int argc, char **argv,
2590 const char **poptarg, int *poptind)
2591 {
2592 const QEMUOption *popt;
2593 int optind = *poptind;
2594 char *r = argv[optind];
2595 const char *optarg;
2596
2597 loc_set_cmdline(argv, optind, 1);
2598 optind++;
2599 /* Treat --foo the same as -foo. */
2600 if (r[1] == '-')
2601 r++;
2602 popt = qemu_options;
2603 for(;;) {
2604 if (!popt->name) {
2605 error_report("invalid option");
2606 exit(1);
2607 }
2608 if (!strcmp(popt->name, r + 1))
2609 break;
2610 popt++;
2611 }
2612 if (popt->flags & HAS_ARG) {
2613 if (optind >= argc) {
2614 error_report("requires an argument");
2615 exit(1);
2616 }
2617 optarg = argv[optind++];
2618 loc_set_cmdline(argv, optind - 2, 2);
2619 } else {
2620 optarg = NULL;
2621 }
2622
2623 *poptarg = optarg;
2624 *poptind = optind;
2625
2626 return popt;
2627 }
2628
2629 static MachineClass *select_machine(void)
2630 {
2631 MachineClass *machine_class = find_default_machine();
2632 const char *optarg;
2633 QemuOpts *opts;
2634 Location loc;
2635
2636 loc_push_none(&loc);
2637
2638 opts = qemu_get_machine_opts();
2639 qemu_opts_loc_restore(opts);
2640
2641 optarg = qemu_opt_get(opts, "type");
2642 if (optarg) {
2643 machine_class = machine_parse(optarg);
2644 }
2645
2646 if (!machine_class) {
2647 error_report("No machine specified, and there is no default");
2648 error_printf("Use -machine help to list supported machines\n");
2649 exit(1);
2650 }
2651
2652 loc_pop(&loc);
2653 return machine_class;
2654 }
2655
2656 static int machine_set_property(void *opaque,
2657 const char *name, const char *value,
2658 Error **errp)
2659 {
2660 Object *obj = OBJECT(opaque);
2661 Error *local_err = NULL;
2662 char *p, *qom_name;
2663
2664 if (strcmp(name, "type") == 0) {
2665 return 0;
2666 }
2667
2668 qom_name = g_strdup(name);
2669 for (p = qom_name; *p; p++) {
2670 if (*p == '_') {
2671 *p = '-';
2672 }
2673 }
2674
2675 object_property_parse(obj, value, qom_name, &local_err);
2676 g_free(qom_name);
2677
2678 if (local_err) {
2679 error_propagate(errp, local_err);
2680 return -1;
2681 }
2682
2683 return 0;
2684 }
2685
2686
2687 /*
2688 * Initial object creation happens before all other
2689 * QEMU data types are created. The majority of objects
2690 * can be created at this point. The rng-egd object
2691 * cannot be created here, as it depends on the chardev
2692 * already existing.
2693 */
2694 static bool object_create_initial(const char *type, QemuOpts *opts)
2695 {
2696 ObjectClass *klass;
2697
2698 if (is_help_option(type)) {
2699 GSList *l, *list;
2700
2701 printf("List of user creatable objects:\n");
2702 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2703 for (l = list; l != NULL; l = l->next) {
2704 ObjectClass *oc = OBJECT_CLASS(l->data);
2705 printf("%s\n", object_class_get_name(oc));
2706 }
2707 g_slist_free(list);
2708 exit(0);
2709 }
2710
2711 klass = object_class_by_name(type);
2712 if (klass && qemu_opt_has_help_opt(opts)) {
2713 ObjectPropertyIterator iter;
2714 ObjectProperty *prop;
2715 GPtrArray *array = g_ptr_array_new();
2716 int i;
2717
2718 object_class_property_iter_init(&iter, klass);
2719 while ((prop = object_property_iter_next(&iter))) {
2720 GString *str;
2721
2722 if (!prop->set) {
2723 continue;
2724 }
2725
2726 str = g_string_new(NULL);
2727 g_string_append_printf(str, "%s.%s=%s", type,
2728 prop->name, prop->type);
2729 if (prop->description) {
2730 g_string_append_printf(str, " - %s", prop->description);
2731 }
2732 g_ptr_array_add(array, g_string_free(str, false));
2733 }
2734 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2735 for (i = 0; i < array->len; i++) {
2736 printf("%s\n", (char *)array->pdata[i]);
2737 }
2738 g_ptr_array_set_free_func(array, g_free);
2739 g_ptr_array_free(array, true);
2740 exit(0);
2741 }
2742
2743 if (g_str_equal(type, "rng-egd") ||
2744 g_str_has_prefix(type, "pr-manager-")) {
2745 return false;
2746 }
2747
2748 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2749 if (g_str_equal(type, "cryptodev-vhost-user")) {
2750 return false;
2751 }
2752 #endif
2753
2754 /*
2755 * return false for concrete netfilters since
2756 * they depend on netdevs already existing
2757 */
2758 if (g_str_equal(type, "filter-buffer") ||
2759 g_str_equal(type, "filter-dump") ||
2760 g_str_equal(type, "filter-mirror") ||
2761 g_str_equal(type, "filter-redirector") ||
2762 g_str_equal(type, "colo-compare") ||
2763 g_str_equal(type, "filter-rewriter") ||
2764 g_str_equal(type, "filter-replay")) {
2765 return false;
2766 }
2767
2768 /* Memory allocation by backends needs to be done
2769 * after configure_accelerator() (due to the tcg_enabled()
2770 * checks at memory_region_init_*()).
2771 *
2772 * Also, allocation of large amounts of memory may delay
2773 * chardev initialization for too long, and trigger timeouts
2774 * on software that waits for a monitor socket to be created
2775 * (e.g. libvirt).
2776 */
2777 if (g_str_has_prefix(type, "memory-backend-")) {
2778 return false;
2779 }
2780
2781 return true;
2782 }
2783
2784
2785 /*
2786 * The remainder of object creation happens after the
2787 * creation of chardev, fsdev, net clients and device data types.
2788 */
2789 static bool object_create_delayed(const char *type, QemuOpts *opts)
2790 {
2791 return !object_create_initial(type, opts);
2792 }
2793
2794
2795 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2796 MachineClass *mc)
2797 {
2798 uint64_t sz;
2799 const char *mem_str;
2800 const ram_addr_t default_ram_size = mc->default_ram_size;
2801 QemuOpts *opts = qemu_find_opts_singleton("memory");
2802 Location loc;
2803
2804 loc_push_none(&loc);
2805 qemu_opts_loc_restore(opts);
2806
2807 sz = 0;
2808 mem_str = qemu_opt_get(opts, "size");
2809 if (mem_str) {
2810 if (!*mem_str) {
2811 error_report("missing 'size' option value");
2812 exit(EXIT_FAILURE);
2813 }
2814
2815 sz = qemu_opt_get_size(opts, "size", ram_size);
2816
2817 /* Fix up legacy suffix-less format */
2818 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2819 uint64_t overflow_check = sz;
2820
2821 sz *= MiB;
2822 if (sz / MiB != overflow_check) {
2823 error_report("too large 'size' option value");
2824 exit(EXIT_FAILURE);
2825 }
2826 }
2827 }
2828
2829 /* backward compatibility behaviour for case "-m 0" */
2830 if (sz == 0) {
2831 sz = default_ram_size;
2832 }
2833
2834 sz = QEMU_ALIGN_UP(sz, 8192);
2835 ram_size = sz;
2836 if (ram_size != sz) {
2837 error_report("ram size too large");
2838 exit(EXIT_FAILURE);
2839 }
2840
2841 /* store value for the future use */
2842 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2843 *maxram_size = ram_size;
2844
2845 if (qemu_opt_get(opts, "maxmem")) {
2846 uint64_t slots;
2847
2848 sz = qemu_opt_get_size(opts, "maxmem", 0);
2849 slots = qemu_opt_get_number(opts, "slots", 0);
2850 if (sz < ram_size) {
2851 error_report("invalid value of -m option maxmem: "
2852 "maximum memory size (0x%" PRIx64 ") must be at least "
2853 "the initial memory size (0x" RAM_ADDR_FMT ")",
2854 sz, ram_size);
2855 exit(EXIT_FAILURE);
2856 } else if (slots && sz == ram_size) {
2857 error_report("invalid value of -m option maxmem: "
2858 "memory slots were specified but maximum memory size "
2859 "(0x%" PRIx64 ") is equal to the initial memory size "
2860 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2861 exit(EXIT_FAILURE);
2862 }
2863
2864 *maxram_size = sz;
2865 *ram_slots = slots;
2866 } else if (qemu_opt_get(opts, "slots")) {
2867 error_report("invalid -m option value: missing 'maxmem' option");
2868 exit(EXIT_FAILURE);
2869 }
2870
2871 loc_pop(&loc);
2872 }
2873
2874 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2875 {
2876 GlobalProperty *g;
2877
2878 g = g_malloc0(sizeof(*g));
2879 g->driver = qemu_opt_get(opts, "driver");
2880 g->property = qemu_opt_get(opts, "property");
2881 g->value = qemu_opt_get(opts, "value");
2882 g->user_provided = true;
2883 g->errp = &error_fatal;
2884 qdev_prop_register_global(g);
2885 return 0;
2886 }
2887
2888 static int qemu_read_default_config_file(void)
2889 {
2890 int ret;
2891
2892 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2893 if (ret < 0 && ret != -ENOENT) {
2894 return ret;
2895 }
2896
2897 return 0;
2898 }
2899
2900 static void user_register_global_props(void)
2901 {
2902 qemu_opts_foreach(qemu_find_opts("global"),
2903 global_init_func, NULL, NULL);
2904 }
2905
2906 /*
2907 * Note: we should see that these properties are actually having a
2908 * priority: accel < machine < user. This means e.g. when user
2909 * specifies something in "-global", it'll always be used with highest
2910 * priority than either machine/accelerator compat properties.
2911 */
2912 static void register_global_properties(MachineState *ms)
2913 {
2914 accel_register_compat_props(ms->accelerator);
2915 machine_register_compat_props(ms);
2916 user_register_global_props();
2917 }
2918
2919 int main(int argc, char **argv, char **envp)
2920 {
2921 int i;
2922 int snapshot, linux_boot;
2923 const char *initrd_filename;
2924 const char *kernel_filename, *kernel_cmdline;
2925 const char *boot_order = NULL;
2926 const char *boot_once = NULL;
2927 DisplayState *ds;
2928 QemuOpts *opts, *machine_opts;
2929 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2930 QemuOptsList *olist;
2931 int optind;
2932 const char *optarg;
2933 const char *loadvm = NULL;
2934 MachineClass *machine_class;
2935 const char *cpu_model;
2936 const char *vga_model = NULL;
2937 const char *qtest_chrdev = NULL;
2938 const char *qtest_log = NULL;
2939 const char *incoming = NULL;
2940 bool userconfig = true;
2941 bool nographic = false;
2942 int display_remote = 0;
2943 const char *log_mask = NULL;
2944 const char *log_file = NULL;
2945 char *trace_file = NULL;
2946 ram_addr_t maxram_size;
2947 uint64_t ram_slots = 0;
2948 FILE *vmstate_dump_file = NULL;
2949 Error *main_loop_err = NULL;
2950 Error *err = NULL;
2951 bool list_data_dirs = false;
2952 char *dir, **dirs;
2953 typedef struct BlockdevOptions_queue {
2954 BlockdevOptions *bdo;
2955 Location loc;
2956 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2957 } BlockdevOptions_queue;
2958 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2959 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2960
2961 module_call_init(MODULE_INIT_TRACE);
2962
2963 qemu_init_cpu_list();
2964 qemu_init_cpu_loop();
2965
2966 qemu_mutex_lock_iothread();
2967
2968 atexit(qemu_run_exit_notifiers);
2969 error_set_progname(argv[0]);
2970 qemu_init_exec_dir(argv[0]);
2971
2972 module_call_init(MODULE_INIT_QOM);
2973
2974 qemu_add_opts(&qemu_drive_opts);
2975 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2976 qemu_add_drive_opts(&qemu_common_drive_opts);
2977 qemu_add_drive_opts(&qemu_drive_opts);
2978 qemu_add_drive_opts(&bdrv_runtime_opts);
2979 qemu_add_opts(&qemu_chardev_opts);
2980 qemu_add_opts(&qemu_device_opts);
2981 qemu_add_opts(&qemu_netdev_opts);
2982 qemu_add_opts(&qemu_nic_opts);
2983 qemu_add_opts(&qemu_net_opts);
2984 qemu_add_opts(&qemu_rtc_opts);
2985 qemu_add_opts(&qemu_global_opts);
2986 qemu_add_opts(&qemu_mon_opts);
2987 qemu_add_opts(&qemu_trace_opts);
2988 qemu_add_opts(&qemu_option_rom_opts);
2989 qemu_add_opts(&qemu_machine_opts);
2990 qemu_add_opts(&qemu_accel_opts);
2991 qemu_add_opts(&qemu_mem_opts);
2992 qemu_add_opts(&qemu_smp_opts);
2993 qemu_add_opts(&qemu_boot_opts);
2994 qemu_add_opts(&qemu_add_fd_opts);
2995 qemu_add_opts(&qemu_object_opts);
2996 qemu_add_opts(&qemu_tpmdev_opts);
2997 qemu_add_opts(&qemu_realtime_opts);
2998 qemu_add_opts(&qemu_overcommit_opts);
2999 qemu_add_opts(&qemu_msg_opts);
3000 qemu_add_opts(&qemu_name_opts);
3001 qemu_add_opts(&qemu_numa_opts);
3002 qemu_add_opts(&qemu_icount_opts);
3003 qemu_add_opts(&qemu_semihosting_config_opts);
3004 qemu_add_opts(&qemu_fw_cfg_opts);
3005 module_call_init(MODULE_INIT_OPTS);
3006
3007 runstate_init();
3008 postcopy_infrastructure_init();
3009 monitor_init_globals();
3010
3011 if (qcrypto_init(&err) < 0) {
3012 error_reportf_err(err, "cannot initialize crypto: ");
3013 exit(1);
3014 }
3015 rtc_clock = QEMU_CLOCK_HOST;
3016
3017 QLIST_INIT (&vm_change_state_head);
3018 os_setup_early_signal_handling();
3019
3020 cpu_model = NULL;
3021 snapshot = 0;
3022
3023 nb_nics = 0;
3024
3025 bdrv_init_with_whitelist();
3026
3027 autostart = 1;
3028
3029 /* first pass of option parsing */
3030 optind = 1;
3031 while (optind < argc) {
3032 if (argv[optind][0] != '-') {
3033 /* disk image */
3034 optind++;
3035 } else {
3036 const QEMUOption *popt;
3037
3038 popt = lookup_opt(argc, argv, &optarg, &optind);
3039 switch (popt->index) {
3040 case QEMU_OPTION_nouserconfig:
3041 userconfig = false;
3042 break;
3043 }
3044 }
3045 }
3046
3047 if (userconfig) {
3048 if (qemu_read_default_config_file() < 0) {
3049 exit(1);
3050 }
3051 }
3052
3053 /* second pass of option parsing */
3054 optind = 1;
3055 for(;;) {
3056 if (optind >= argc)
3057 break;
3058 if (argv[optind][0] != '-') {
3059 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3060 } else {
3061 const QEMUOption *popt;
3062
3063 popt = lookup_opt(argc, argv, &optarg, &optind);
3064 if (!(popt->arch_mask & arch_type)) {
3065 error_report("Option not supported for this target");
3066 exit(1);
3067 }
3068 switch(popt->index) {
3069 case QEMU_OPTION_cpu:
3070 /* hw initialization will check this */
3071 cpu_model = optarg;
3072 break;
3073 case QEMU_OPTION_hda:
3074 case QEMU_OPTION_hdb:
3075 case QEMU_OPTION_hdc:
3076 case QEMU_OPTION_hdd:
3077 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3078 HD_OPTS);
3079 break;
3080 case QEMU_OPTION_blockdev:
3081 {
3082 Visitor *v;
3083 BlockdevOptions_queue *bdo;
3084
3085 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3086 if (!v) {
3087 error_report_err(err);
3088 exit(1);
3089 }
3090
3091 bdo = g_new(BlockdevOptions_queue, 1);
3092 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3093 &error_fatal);
3094 visit_free(v);
3095 loc_save(&bdo->loc);
3096 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3097 break;
3098 }
3099 case QEMU_OPTION_drive:
3100 if (drive_def(optarg) == NULL) {
3101 exit(1);
3102 }
3103 break;
3104 case QEMU_OPTION_set:
3105 if (qemu_set_option(optarg) != 0)
3106 exit(1);
3107 break;
3108 case QEMU_OPTION_global:
3109 if (qemu_global_option(optarg) != 0)
3110 exit(1);
3111 break;
3112 case QEMU_OPTION_mtdblock:
3113 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3114 break;
3115 case QEMU_OPTION_sd:
3116 drive_add(IF_SD, -1, optarg, SD_OPTS);
3117 break;
3118 case QEMU_OPTION_pflash:
3119 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3120 break;
3121 case QEMU_OPTION_snapshot:
3122 snapshot = 1;
3123 break;
3124 case QEMU_OPTION_numa:
3125 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3126 optarg, true);
3127 if (!opts) {
3128 exit(1);
3129 }
3130 break;
3131 case QEMU_OPTION_display:
3132 parse_display(optarg);
3133 break;
3134 case QEMU_OPTION_nographic:
3135 olist = qemu_find_opts("machine");
3136 qemu_opts_parse_noisily(olist, "graphics=off", false);
3137 nographic = true;
3138 dpy.type = DISPLAY_TYPE_NONE;
3139 break;
3140 case QEMU_OPTION_curses:
3141 #ifdef CONFIG_CURSES
3142 dpy.type = DISPLAY_TYPE_CURSES;
3143 #else
3144 error_report("curses support is disabled");
3145 exit(1);
3146 #endif
3147 break;
3148 case QEMU_OPTION_portrait:
3149 graphic_rotate = 90;
3150 break;
3151 case QEMU_OPTION_rotate:
3152 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3153 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3154 graphic_rotate != 180 && graphic_rotate != 270) {
3155 error_report("only 90, 180, 270 deg rotation is available");
3156 exit(1);
3157 }
3158 break;
3159 case QEMU_OPTION_kernel:
3160 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3161 &error_abort);
3162 break;
3163 case QEMU_OPTION_initrd:
3164 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3165 &error_abort);
3166 break;
3167 case QEMU_OPTION_append:
3168 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3169 &error_abort);
3170 break;
3171 case QEMU_OPTION_dtb:
3172 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3173 &error_abort);
3174 break;
3175 case QEMU_OPTION_cdrom:
3176 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3177 break;
3178 case QEMU_OPTION_boot:
3179 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3180 optarg, true);
3181 if (!opts) {
3182 exit(1);
3183 }
3184 break;
3185 case QEMU_OPTION_fda:
3186 case QEMU_OPTION_fdb:
3187 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3188 optarg, FD_OPTS);
3189 break;
3190 case QEMU_OPTION_no_fd_bootchk:
3191 fd_bootchk = 0;
3192 break;
3193 case QEMU_OPTION_netdev:
3194 default_net = 0;
3195 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3196 exit(1);
3197 }
3198 break;
3199 case QEMU_OPTION_nic:
3200 default_net = 0;
3201 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3202 exit(1);
3203 }
3204 break;
3205 case QEMU_OPTION_net:
3206 default_net = 0;
3207 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3208 exit(1);
3209 }
3210 break;
3211 #ifdef CONFIG_LIBISCSI
3212 case QEMU_OPTION_iscsi:
3213 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3214 optarg, false);
3215 if (!opts) {
3216 exit(1);
3217 }
3218 break;
3219 #endif
3220 case QEMU_OPTION_bt:
3221 add_device_config(DEV_BT, optarg);
3222 break;
3223 case QEMU_OPTION_audio_help:
3224 AUD_help ();
3225 exit (0);
3226 break;
3227 case QEMU_OPTION_soundhw:
3228 select_soundhw (optarg);
3229 break;
3230 case QEMU_OPTION_h:
3231 help(0);
3232 break;
3233 case QEMU_OPTION_version:
3234 version();
3235 exit(0);
3236 break;
3237 case QEMU_OPTION_m:
3238 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3239 optarg, true);
3240 if (!opts) {
3241 exit(EXIT_FAILURE);
3242 }
3243 break;
3244 #ifdef CONFIG_TPM
3245 case QEMU_OPTION_tpmdev:
3246 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3247 exit(1);
3248 }
3249 break;
3250 #endif
3251 case QEMU_OPTION_mempath:
3252 mem_path = optarg;
3253 break;
3254 case QEMU_OPTION_mem_prealloc:
3255 mem_prealloc = 1;
3256 break;
3257 case QEMU_OPTION_d:
3258 log_mask = optarg;
3259 break;
3260 case QEMU_OPTION_D:
3261 log_file = optarg;
3262 break;
3263 case QEMU_OPTION_DFILTER:
3264 qemu_set_dfilter_ranges(optarg, &error_fatal);
3265 break;
3266 case QEMU_OPTION_s:
3267 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3268 break;
3269 case QEMU_OPTION_gdb:
3270 add_device_config(DEV_GDB, optarg);
3271 break;
3272 case QEMU_OPTION_L:
3273 if (is_help_option(optarg)) {
3274 list_data_dirs = true;
3275 } else {
3276 qemu_add_data_dir(optarg);
3277 }
3278 break;
3279 case QEMU_OPTION_bios:
3280 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3281 &error_abort);
3282 break;
3283 case QEMU_OPTION_singlestep:
3284 singlestep = 1;
3285 break;
3286 case QEMU_OPTION_S:
3287 autostart = 0;
3288 break;
3289 case QEMU_OPTION_k:
3290 keyboard_layout = optarg;
3291 break;
3292 case QEMU_OPTION_vga:
3293 vga_model = optarg;
3294 default_vga = 0;
3295 break;
3296 case QEMU_OPTION_g:
3297 {
3298 const char *p;
3299 int w, h, depth;
3300 p = optarg;
3301 w = strtol(p, (char **)&p, 10);
3302 if (w <= 0) {
3303 graphic_error:
3304 error_report("invalid resolution or depth");
3305 exit(1);
3306 }
3307 if (*p != 'x')
3308 goto graphic_error;
3309 p++;
3310 h = strtol(p, (char **)&p, 10);
3311 if (h <= 0)
3312 goto graphic_error;
3313 if (*p == 'x') {
3314 p++;
3315 depth = strtol(p, (char **)&p, 10);
3316 if (depth != 8 && depth != 15 && depth != 16 &&
3317 depth != 24 && depth != 32)
3318 goto graphic_error;
3319 } else if (*p == '\0') {
3320 depth = graphic_depth;
3321 } else {
3322 goto graphic_error;
3323 }
3324
3325 graphic_width = w;
3326 graphic_height = h;
3327 graphic_depth = depth;
3328 }
3329 break;
3330 case QEMU_OPTION_echr:
3331 {
3332 char *r;
3333 term_escape_char = strtol(optarg, &r, 0);
3334 if (r == optarg)
3335 printf("Bad argument to echr\n");
3336 break;
3337 }
3338 case QEMU_OPTION_monitor:
3339 default_monitor = 0;
3340 if (strncmp(optarg, "none", 4)) {
3341 monitor_parse(optarg, "readline", false);
3342 }
3343 break;
3344 case QEMU_OPTION_qmp:
3345 monitor_parse(optarg, "control", false);
3346 default_monitor = 0;
3347 break;
3348 case QEMU_OPTION_qmp_pretty:
3349 monitor_parse(optarg, "control", true);
3350 default_monitor = 0;
3351 break;
3352 case QEMU_OPTION_mon:
3353 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3354 true);
3355 if (!opts) {
3356 exit(1);
3357 }
3358 default_monitor = 0;
3359 break;
3360 case QEMU_OPTION_chardev:
3361 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3362 optarg, true);
3363 if (!opts) {
3364 exit(1);
3365 }
3366 break;
3367 case QEMU_OPTION_fsdev:
3368 olist = qemu_find_opts("fsdev");
3369 if (!olist) {
3370 error_report("fsdev support is disabled");
3371 exit(1);
3372 }
3373 opts = qemu_opts_parse_noisily(olist, optarg, true);
3374 if (!opts) {
3375 exit(1);
3376 }
3377 break;
3378 case QEMU_OPTION_virtfs: {
3379 QemuOpts *fsdev;
3380 QemuOpts *device;
3381 const char *writeout, *sock_fd, *socket, *path, *security_model;
3382
3383 olist = qemu_find_opts("virtfs");
3384 if (!olist) {
3385 error_report("virtfs support is disabled");
3386 exit(1);
3387 }
3388 opts = qemu_opts_parse_noisily(olist, optarg, true);
3389 if (!opts) {
3390 exit(1);
3391 }
3392
3393 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3394 qemu_opt_get(opts, "mount_tag") == NULL) {
3395 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3396 exit(1);
3397 }
3398 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3399 qemu_opts_id(opts) ?:
3400 qemu_opt_get(opts, "mount_tag"),
3401 1, NULL);
3402 if (!fsdev) {
3403 error_report("duplicate or invalid fsdev id: %s",
3404 qemu_opt_get(opts, "mount_tag"));
3405 exit(1);
3406 }
3407
3408 writeout = qemu_opt_get(opts, "writeout");
3409 if (writeout) {
3410 #ifdef CONFIG_SYNC_FILE_RANGE
3411 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3412 #else
3413 error_report("writeout=immediate not supported "
3414 "on this platform");
3415 exit(1);
3416 #endif
3417 }
3418 qemu_opt_set(fsdev, "fsdriver",
3419 qemu_opt_get(opts, "fsdriver"), &error_abort);
3420 path = qemu_opt_get(opts, "path");
3421 if (path) {
3422 qemu_opt_set(fsdev, "path", path, &error_abort);
3423 }
3424 security_model = qemu_opt_get(opts, "security_model");
3425 if (security_model) {
3426 qemu_opt_set(fsdev, "security_model", security_model,
3427 &error_abort);
3428 }
3429 socket = qemu_opt_get(opts, "socket");
3430 if (socket) {
3431 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3432 }
3433 sock_fd = qemu_opt_get(opts, "sock_fd");
3434 if (sock_fd) {
3435 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3436 }
3437
3438 qemu_opt_set_bool(fsdev, "readonly",
3439 qemu_opt_get_bool(opts, "readonly", 0),
3440 &error_abort);
3441 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3442 &error_abort);
3443 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3444 qemu_opt_set(device, "fsdev",
3445 qemu_opts_id(fsdev), &error_abort);
3446 qemu_opt_set(device, "mount_tag",
3447 qemu_opt_get(opts, "mount_tag"), &error_abort);
3448 break;
3449 }
3450 case QEMU_OPTION_virtfs_synth: {
3451 QemuOpts *fsdev;
3452 QemuOpts *device;
3453
3454 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3455 1, NULL);
3456 if (!fsdev) {
3457 error_report("duplicate option: %s", "virtfs_synth");
3458 exit(1);
3459 }
3460 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3461
3462 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3463 &error_abort);
3464 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3465 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3466 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3467 break;
3468 }
3469 case QEMU_OPTION_serial:
3470 add_device_config(DEV_SERIAL, optarg);
3471 default_serial = 0;
3472 if (strncmp(optarg, "mon:", 4) == 0) {
3473 default_monitor = 0;
3474 }
3475 break;
3476 case QEMU_OPTION_watchdog:
3477 if (watchdog) {
3478 error_report("only one watchdog option may be given");
3479 return 1;
3480 }
3481 watchdog = optarg;
3482 break;
3483 case QEMU_OPTION_watchdog_action:
3484 if (select_watchdog_action(optarg) == -1) {
3485 error_report("unknown -watchdog-action parameter");
3486 exit(1);
3487 }
3488 break;
3489 case QEMU_OPTION_virtiocon:
3490 warn_report("This option is deprecated, "
3491 "use '-device virtconsole' instead");
3492 add_device_config(DEV_VIRTCON, optarg);
3493 default_virtcon = 0;
3494 if (strncmp(optarg, "mon:", 4) == 0) {
3495 default_monitor = 0;
3496 }
3497 break;
3498 case QEMU_OPTION_parallel:
3499 add_device_config(DEV_PARALLEL, optarg);
3500 default_parallel = 0;
3501 if (strncmp(optarg, "mon:", 4) == 0) {
3502 default_monitor = 0;
3503 }
3504 break;
3505 case QEMU_OPTION_debugcon:
3506 add_device_config(DEV_DEBUGCON, optarg);
3507 break;
3508 case QEMU_OPTION_loadvm:
3509 loadvm = optarg;
3510 break;
3511 case QEMU_OPTION_full_screen:
3512 dpy.has_full_screen = true;
3513 dpy.full_screen = true;
3514 break;
3515 case QEMU_OPTION_no_frame:
3516 g_printerr("The -no-frame switch is deprecated, and will be\n"
3517 "removed in a future release.\n");
3518 no_frame = 1;
3519 break;
3520 case QEMU_OPTION_alt_grab:
3521 alt_grab = 1;
3522 break;
3523 case QEMU_OPTION_ctrl_grab:
3524 ctrl_grab = 1;
3525 break;
3526 case QEMU_OPTION_no_quit:
3527 dpy.has_window_close = true;
3528 dpy.window_close = false;
3529 break;
3530 case QEMU_OPTION_sdl:
3531 #ifdef CONFIG_SDL
3532 dpy.type = DISPLAY_TYPE_SDL;
3533 break;
3534 #else
3535 error_report("SDL support is disabled");
3536 exit(1);
3537 #endif
3538 case QEMU_OPTION_pidfile:
3539 pid_file = optarg;
3540 break;
3541 case QEMU_OPTION_win2k_hack:
3542 win2k_install_hack = 1;
3543 break;
3544 case QEMU_OPTION_acpitable:
3545 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3546 optarg, true);
3547 if (!opts) {
3548 exit(1);
3549 }
3550 acpi_table_add(opts, &error_fatal);
3551 break;
3552 case QEMU_OPTION_smbios:
3553 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3554 optarg, false);
3555 if (!opts) {
3556 exit(1);
3557 }
3558 smbios_entry_add(opts, &error_fatal);
3559 break;
3560 case QEMU_OPTION_fwcfg:
3561 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3562 optarg, true);
3563 if (opts == NULL) {
3564 exit(1);
3565 }
3566 break;
3567 case QEMU_OPTION_preconfig:
3568 preconfig_exit_requested = false;
3569 break;
3570 case QEMU_OPTION_enable_kvm:
3571 olist = qemu_find_opts("machine");
3572 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3573 break;
3574 case QEMU_OPTION_enable_hax:
3575 warn_report("Option is deprecated, use '-accel hax' instead");
3576 olist = qemu_find_opts("machine");
3577 qemu_opts_parse_noisily(olist, "accel=hax", false);
3578 break;
3579 case QEMU_OPTION_M:
3580 case QEMU_OPTION_machine:
3581 olist = qemu_find_opts("machine");
3582 opts = qemu_opts_parse_noisily(olist, optarg, true);
3583 if (!opts) {
3584 exit(1);
3585 }
3586 break;
3587 case QEMU_OPTION_no_kvm:
3588 olist = qemu_find_opts("machine");
3589 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3590 break;
3591 case QEMU_OPTION_accel:
3592 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3593 optarg, true);
3594 optarg = qemu_opt_get(accel_opts, "accel");
3595 if (!optarg || is_help_option(optarg)) {
3596 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3597 exit(0);
3598 }
3599 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3600 false, &error_abort);
3601 qemu_opt_set(opts, "accel", optarg, &error_abort);
3602 break;
3603 case QEMU_OPTION_usb:
3604 olist = qemu_find_opts("machine");
3605 qemu_opts_parse_noisily(olist, "usb=on", false);
3606 break;
3607 case QEMU_OPTION_usbdevice:
3608 error_report("'-usbdevice' is deprecated, please use "
3609 "'-device usb-...' instead");
3610 olist = qemu_find_opts("machine");
3611 qemu_opts_parse_noisily(olist, "usb=on", false);
3612 add_device_config(DEV_USB, optarg);
3613 break;
3614 case QEMU_OPTION_device:
3615 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3616 optarg, true)) {
3617 exit(1);
3618 }
3619 break;
3620 case QEMU_OPTION_smp:
3621 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3622 optarg, true)) {
3623 exit(1);
3624 }
3625 break;
3626 case QEMU_OPTION_vnc:
3627 vnc_parse(optarg, &error_fatal);
3628 break;
3629 case QEMU_OPTION_no_acpi:
3630 acpi_enabled = 0;
3631 break;
3632 case QEMU_OPTION_no_hpet:
3633 no_hpet = 1;
3634 break;
3635 case QEMU_OPTION_no_reboot:
3636 no_reboot = 1;
3637 break;
3638 case QEMU_OPTION_no_shutdown:
3639 no_shutdown = 1;
3640 break;
3641 case QEMU_OPTION_show_cursor:
3642 cursor_hide = 0;
3643 break;
3644 case QEMU_OPTION_uuid:
3645 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3646 error_report("failed to parse UUID string: wrong format");
3647 exit(1);
3648 }
3649 qemu_uuid_set = true;
3650 break;
3651 case QEMU_OPTION_option_rom:
3652 if (nb_option_roms >= MAX_OPTION_ROMS) {
3653 error_report("too many option ROMs");
3654 exit(1);
3655 }
3656 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3657 optarg, true);
3658 if (!opts) {
3659 exit(1);
3660 }
3661 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3662 option_rom[nb_option_roms].bootindex =
3663 qemu_opt_get_number(opts, "bootindex", -1);
3664 if (!option_rom[nb_option_roms].name) {
3665 error_report("Option ROM file is not specified");
3666 exit(1);
3667 }
3668 nb_option_roms++;
3669 break;
3670 case QEMU_OPTION_semihosting:
3671 semihosting.enabled = true;
3672 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3673 break;
3674 case QEMU_OPTION_semihosting_config:
3675 semihosting.enabled = true;
3676 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3677 optarg, false);
3678 if (opts != NULL) {
3679 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3680 true);
3681 const char *target = qemu_opt_get(opts, "target");
3682 if (target != NULL) {
3683 if (strcmp("native", target) == 0) {
3684 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3685 } else if (strcmp("gdb", target) == 0) {
3686 semihosting.target = SEMIHOSTING_TARGET_GDB;
3687 } else if (strcmp("auto", target) == 0) {
3688 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3689 } else {
3690 error_report("unsupported semihosting-config %s",
3691 optarg);
3692 exit(1);
3693 }
3694 } else {
3695 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3696 }
3697 /* Set semihosting argument count and vector */
3698 qemu_opt_foreach(opts, add_semihosting_arg,
3699 &semihosting, NULL);
3700 } else {
3701 error_report("unsupported semihosting-config %s", optarg);
3702 exit(1);
3703 }
3704 break;
3705 case QEMU_OPTION_name:
3706 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3707 optarg, true);
3708 if (!opts) {
3709 exit(1);
3710 }
3711 break;
3712 case QEMU_OPTION_prom_env:
3713 if (nb_prom_envs >= MAX_PROM_ENVS) {
3714 error_report("too many prom variables");
3715 exit(1);
3716 }
3717 prom_envs[nb_prom_envs] = optarg;
3718 nb_prom_envs++;
3719 break;
3720 case QEMU_OPTION_old_param:
3721 old_param = 1;
3722 break;
3723 case QEMU_OPTION_clock:
3724 /* Clock options no longer exist. Keep this option for
3725 * backward compatibility.
3726 */
3727 warn_report("This option is ignored and will be removed soon");
3728 break;
3729 case QEMU_OPTION_rtc:
3730 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3731 false);
3732 if (!opts) {
3733 exit(1);
3734 }
3735 configure_rtc(opts);
3736 break;
3737 case QEMU_OPTION_tb_size:
3738 #ifndef CONFIG_TCG
3739 error_report("TCG is disabled");
3740 exit(1);
3741 #endif
3742 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3743 error_report("Invalid argument to -tb-size");
3744 exit(1);
3745 }
3746 break;
3747 case QEMU_OPTION_icount:
3748 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3749 optarg, true);
3750 if (!icount_opts) {
3751 exit(1);
3752 }
3753 break;
3754 case QEMU_OPTION_incoming:
3755 if (!incoming) {
3756 runstate_set(RUN_STATE_INMIGRATE);
3757 }
3758 incoming = optarg;
3759 break;
3760 case QEMU_OPTION_only_migratable:
3761 /*
3762 * TODO: we can remove this option one day, and we
3763 * should all use:
3764 *
3765 * "-global migration.only-migratable=true"
3766 */
3767 qemu_global_option("migration.only-migratable=true");
3768 break;
3769 case QEMU_OPTION_nodefaults:
3770 has_defaults = 0;
3771 break;
3772 case QEMU_OPTION_xen_domid:
3773 if (!(xen_available())) {
3774 error_report("Option not supported for this target");
3775 exit(1);
3776 }
3777 xen_domid = atoi(optarg);
3778 break;
3779 case QEMU_OPTION_xen_create:
3780 if (!(xen_available())) {
3781 error_report("Option not supported for this target");
3782 exit(1);
3783 }
3784 xen_mode = XEN_CREATE;
3785 break;
3786 case QEMU_OPTION_xen_attach:
3787 if (!(xen_available())) {
3788 error_report("Option not supported for this target");
3789 exit(1);
3790 }
3791 xen_mode = XEN_ATTACH;
3792 break;
3793 case QEMU_OPTION_xen_domid_restrict:
3794 if (!(xen_available())) {
3795 error_report("Option not supported for this target");
3796 exit(1);
3797 }
3798 xen_domid_restrict = true;
3799 break;
3800 case QEMU_OPTION_trace:
3801 g_free(trace_file);
3802 trace_file = trace_opt_parse(optarg);
3803 break;
3804 case QEMU_OPTION_readconfig:
3805 {
3806 int ret = qemu_read_config_file(optarg);
3807 if (ret < 0) {
3808 error_report("read config %s: %s", optarg,
3809 strerror(-ret));
3810 exit(1);
3811 }
3812 break;
3813 }
3814 case QEMU_OPTION_spice:
3815 olist = qemu_find_opts("spice");
3816 if (!olist) {
3817 error_report("spice support is disabled");
3818 exit(1);
3819 }
3820 opts = qemu_opts_parse_noisily(olist, optarg, false);
3821 if (!opts) {
3822 exit(1);
3823 }
3824 display_remote++;
3825 break;
3826 case QEMU_OPTION_writeconfig:
3827 {
3828 FILE *fp;
3829 if (strcmp(optarg, "-") == 0) {
3830 fp = stdout;
3831 } else {
3832 fp = fopen(optarg, "w");
3833 if (fp == NULL) {
3834 error_report("open %s: %s", optarg,
3835 strerror(errno));
3836 exit(1);
3837 }
3838 }
3839 qemu_config_write(fp);
3840 if (fp != stdout) {
3841 fclose(fp);
3842 }
3843 break;
3844 }
3845 case QEMU_OPTION_qtest:
3846 qtest_chrdev = optarg;
3847 break;
3848 case QEMU_OPTION_qtest_log:
3849 qtest_log = optarg;
3850 break;
3851 case QEMU_OPTION_sandbox:
3852 #ifdef CONFIG_SECCOMP
3853 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3854 optarg, true);
3855 if (!opts) {
3856 exit(1);
3857 }
3858 #else
3859 error_report("-sandbox support is not enabled "
3860 "in this QEMU binary");
3861 exit(1);
3862 #endif
3863 break;
3864 case QEMU_OPTION_add_fd:
3865 #ifndef _WIN32
3866 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3867 optarg, false);
3868 if (!opts) {
3869 exit(1);
3870 }
3871 #else
3872 error_report("File descriptor passing is disabled on this "
3873 "platform");
3874 exit(1);
3875 #endif
3876 break;
3877 case QEMU_OPTION_object:
3878 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3879 optarg, true);
3880 if (!opts) {
3881 exit(1);
3882 }
3883 break;
3884 case QEMU_OPTION_realtime:
3885 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3886 optarg, false);
3887 if (!opts) {
3888 exit(1);
3889 }
3890 /* Don't override the -overcommit option if set */
3891 enable_mlock = enable_mlock ||
3892 qemu_opt_get_bool(opts, "mlock", true);
3893 break;
3894 case QEMU_OPTION_overcommit:
3895 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3896 optarg, false);
3897 if (!opts) {
3898 exit(1);
3899 }
3900 /* Don't override the -realtime option if set */
3901 enable_mlock = enable_mlock ||
3902 qemu_opt_get_bool(opts, "mem-lock", false);
3903 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3904 break;
3905 case QEMU_OPTION_msg:
3906 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3907 false);
3908 if (!opts) {
3909 exit(1);
3910 }
3911 configure_msg(opts);
3912 break;
3913 case QEMU_OPTION_dump_vmstate:
3914 if (vmstate_dump_file) {
3915 error_report("only one '-dump-vmstate' "
3916 "option may be given");
3917 exit(1);
3918 }
3919 vmstate_dump_file = fopen(optarg, "w");
3920 if (vmstate_dump_file == NULL) {
3921 error_report("open %s: %s", optarg, strerror(errno));
3922 exit(1);
3923 }
3924 break;
3925 case QEMU_OPTION_enable_sync_profile:
3926 qsp_enable();
3927 break;
3928 case QEMU_OPTION_nouserconfig:
3929 /* Nothing to be parsed here. Especially, do not error out below. */
3930 break;
3931 default:
3932 if (os_parse_cmd_args(popt->index, optarg)) {
3933 error_report("Option not supported in this build");
3934 exit(1);
3935 }
3936 }
3937 }
3938 }
3939 /*
3940 * Clear error location left behind by the loop.
3941 * Best done right after the loop. Do not insert code here!
3942 */
3943 loc_set_none();
3944
3945 replay_configure(icount_opts);
3946
3947 if (incoming && !preconfig_exit_requested) {
3948 error_report("'preconfig' and 'incoming' options are "
3949 "mutually exclusive");
3950 exit(EXIT_FAILURE);
3951 }
3952
3953 machine_class = select_machine();
3954
3955 set_memory_options(&ram_slots, &maxram_size, machine_class);
3956
3957 os_daemonize();
3958 rcu_disable_atfork();
3959
3960 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3961 error_reportf_err(err, "cannot create PID file: ");
3962 exit(1);
3963 }
3964
3965 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3966 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3967
3968 if (qemu_init_main_loop(&main_loop_err)) {
3969 error_report_err(main_loop_err);
3970 exit(1);
3971 }
3972
3973 #ifdef CONFIG_SECCOMP
3974 olist = qemu_find_opts_err("sandbox", NULL);
3975 if (olist) {
3976 qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
3977 }
3978 #endif
3979
3980 if (qemu_opts_foreach(qemu_find_opts("name"),
3981 parse_name, NULL, NULL)) {
3982 exit(1);
3983 }
3984
3985 #ifndef _WIN32
3986 qemu_opts_foreach(qemu_find_opts("add-fd"),
3987 parse_add_fd, NULL, &error_fatal);
3988
3989 qemu_opts_foreach(qemu_find_opts("add-fd"),
3990 cleanup_add_fd, NULL, &error_fatal);
3991 #endif
3992
3993 current_machine = MACHINE(object_new(object_class_get_name(
3994 OBJECT_CLASS(machine_class))));
3995 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
3996 exit(0);
3997 }
3998 object_property_add_child(object_get_root(), "machine",
3999 OBJECT(current_machine), &error_abort);
4000
4001 if (machine_class->minimum_page_bits) {
4002 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4003 /* This would be a board error: specifying a minimum smaller than
4004 * a target's compile-time fixed setting.
4005 */
4006 g_assert_not_reached();
4007 }
4008 }
4009
4010 cpu_exec_init_all();
4011
4012 if (machine_class->hw_version) {
4013 qemu_set_hw_version(machine_class->hw_version);
4014 }
4015
4016 if (cpu_model && is_help_option(cpu_model)) {
4017 list_cpus(stdout, &fprintf, cpu_model);
4018 exit(0);
4019 }
4020
4021 if (!trace_init_backends()) {
4022 exit(1);
4023 }
4024 trace_init_file(trace_file);
4025
4026 /* Open the logfile at this point and set the log mask if necessary.
4027 */
4028 if (log_file) {
4029 qemu_set_log_filename(log_file, &error_fatal);
4030 }
4031
4032 if (log_mask) {
4033 int mask;
4034 mask = qemu_str_to_log_mask(log_mask);
4035 if (!mask) {
4036 qemu_print_log_usage(stdout);
4037 exit(1);
4038 }
4039 qemu_set_log(mask);
4040 } else {
4041 qemu_set_log(0);
4042 }
4043
4044 /* add configured firmware directories */
4045 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4046 for (i = 0; dirs[i] != NULL; i++) {
4047 qemu_add_data_dir(dirs[i]);
4048 }
4049 g_strfreev(dirs);
4050
4051 /* try to find datadir relative to the executable path */
4052 dir = os_find_datadir();
4053 qemu_add_data_dir(dir);
4054 g_free(dir);
4055
4056 /* add the datadir specified when building */
4057 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4058
4059 /* -L help lists the data directories and exits. */
4060 if (list_data_dirs) {
4061 for (i = 0; i < data_dir_idx; i++) {
4062 printf("%s\n", data_dir[i]);
4063 }
4064 exit(0);
4065 }
4066
4067 /* machine_class: default to UP */
4068 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4069 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4070 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4071
4072 /* default to machine_class->default_cpus */
4073 smp_cpus = machine_class->default_cpus;
4074 max_cpus = machine_class->default_cpus;
4075
4076 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4077
4078 /* sanity-check smp_cpus and max_cpus against machine_class */
4079 if (smp_cpus < machine_class->min_cpus) {
4080 error_report("Invalid SMP CPUs %d. The min CPUs "
4081 "supported by machine '%s' is %d", smp_cpus,
4082 machine_class->name, machine_class->min_cpus);
4083 exit(1);
4084 }
4085 if (max_cpus > machine_class->max_cpus) {
4086 error_report("Invalid SMP CPUs %d. The max CPUs "
4087 "supported by machine '%s' is %d", max_cpus,
4088 machine_class->name, machine_class->max_cpus);
4089 exit(1);
4090 }
4091
4092 /*
4093 * Get the default machine options from the machine if it is not already
4094 * specified either by the configuration file or by the command line.
4095 */
4096 if (machine_class->default_machine_opts) {
4097 qemu_opts_set_defaults(qemu_find_opts("machine"),
4098 machine_class->default_machine_opts, 0);
4099 }
4100
4101 qemu_opts_foreach(qemu_find_opts("device"),
4102 default_driver_check, NULL, NULL);
4103 qemu_opts_foreach(qemu_find_opts("global"),
4104 default_driver_check, NULL, NULL);
4105
4106 if (!vga_model && !default_vga) {
4107 vga_interface_type = VGA_DEVICE;
4108 }
4109 if (!has_defaults || machine_class->no_serial) {
4110 default_serial = 0;
4111 }
4112 if (!has_defaults || machine_class->no_parallel) {
4113 default_parallel = 0;
4114 }
4115 if (!has_defaults || !machine_class->use_virtcon) {
4116 default_virtcon = 0;
4117 }
4118 if (!has_defaults || machine_class->no_floppy) {
4119 default_floppy = 0;
4120 }
4121 if (!has_defaults || machine_class->no_cdrom) {
4122 default_cdrom = 0;
4123 }
4124 if (!has_defaults || machine_class->no_sdcard) {
4125 default_sdcard = 0;
4126 }
4127 if (!has_defaults) {
4128 default_monitor = 0;
4129 default_net = 0;
4130 default_vga = 0;
4131 }
4132
4133 if (is_daemonized()) {
4134 if (!preconfig_exit_requested) {
4135 error_report("'preconfig' and 'daemonize' options are "
4136 "mutually exclusive");
4137 exit(EXIT_FAILURE);
4138 }
4139
4140 /* According to documentation and historically, -nographic redirects
4141 * serial port, parallel port and monitor to stdio, which does not work
4142 * with -daemonize. We can redirect these to null instead, but since
4143 * -nographic is legacy, let's just error out.
4144 * We disallow -nographic only if all other ports are not redirected
4145 * explicitly, to not break existing legacy setups which uses
4146 * -nographic _and_ redirects all ports explicitly - this is valid
4147 * usage, -nographic is just a no-op in this case.
4148 */
4149 if (nographic
4150 && (default_parallel || default_serial
4151 || default_monitor || default_virtcon)) {
4152 error_report("-nographic cannot be used with -daemonize");
4153 exit(1);
4154 }
4155 #ifdef CONFIG_CURSES
4156 if (dpy.type == DISPLAY_TYPE_CURSES) {
4157 error_report("curses display cannot be used with -daemonize");
4158 exit(1);
4159 }
4160 #endif
4161 }
4162
4163 if (nographic) {
4164 if (default_parallel)
4165 add_device_config(DEV_PARALLEL, "null");
4166 if (default_serial && default_monitor) {
4167 add_device_config(DEV_SERIAL, "mon:stdio");
4168 } else if (default_virtcon && default_monitor) {
4169 add_device_config(DEV_VIRTCON, "mon:stdio");
4170 } else {
4171 if (default_serial)
4172 add_device_config(DEV_SERIAL, "stdio");
4173 if (default_virtcon)
4174 add_device_config(DEV_VIRTCON, "stdio");
4175 if (default_monitor)
4176 monitor_parse("stdio", "readline", false);
4177 }
4178 } else {
4179 if (default_serial)
4180 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4181 if (default_parallel)
4182 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4183 if (default_monitor)
4184 monitor_parse("vc:80Cx24C", "readline", false);
4185 if (default_virtcon)
4186 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4187 }
4188
4189 #if defined(CONFIG_VNC)
4190 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4191 display_remote++;
4192 }
4193 #endif
4194 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4195 if (!qemu_display_find_default(&dpy)) {
4196 dpy.type = DISPLAY_TYPE_NONE;
4197 #if defined(CONFIG_VNC)
4198 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4199 #endif
4200 }
4201 }
4202 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4203 dpy.type = DISPLAY_TYPE_NONE;
4204 }
4205
4206 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4207 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4208 "for SDL, ignoring option");
4209 }
4210 if (dpy.has_window_close &&
4211 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4212 error_report("-no-quit is only valid for GTK and SDL, "
4213 "ignoring option");
4214 }
4215
4216 qemu_display_early_init(&dpy);
4217 qemu_console_early_init();
4218
4219 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4220 #if defined(CONFIG_OPENGL)
4221 error_report("OpenGL is not supported by the display");
4222 #else
4223 error_report("OpenGL support is disabled");
4224 #endif
4225 exit(1);
4226 }
4227
4228 page_size_init();
4229 socket_init();
4230
4231 qemu_opts_foreach(qemu_find_opts("object"),
4232 user_creatable_add_opts_foreach,
4233 object_create_initial, &error_fatal);
4234
4235 qemu_opts_foreach(qemu_find_opts("chardev"),
4236 chardev_init_func, NULL, &error_fatal);
4237
4238 #ifdef CONFIG_VIRTFS
4239 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4240 fsdev_init_func, NULL, NULL)) {
4241 exit(1);
4242 }
4243 #endif
4244
4245 if (qemu_opts_foreach(qemu_find_opts("device"),
4246 device_help_func, NULL, NULL)) {
4247 exit(0);
4248 }
4249
4250 machine_opts = qemu_get_machine_opts();
4251 qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4252 &error_fatal);
4253
4254 configure_accelerator(current_machine);
4255
4256 if (!qtest_enabled() && machine_class->deprecation_reason) {
4257 error_report("Machine type '%s' is deprecated: %s",
4258 machine_class->name, machine_class->deprecation_reason);
4259 }
4260
4261 /*
4262 * Register all the global properties, including accel properties,
4263 * machine properties, and user-specified ones.
4264 */
4265 register_global_properties(current_machine);
4266
4267 /*
4268 * Migration object can only be created after global properties
4269 * are applied correctly.
4270 */
4271 migration_object_init();
4272
4273 if (qtest_chrdev) {
4274 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4275 }
4276
4277 machine_opts = qemu_get_machine_opts();
4278 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4279 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4280 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4281 bios_name = qemu_opt_get(machine_opts, "firmware");
4282
4283 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4284 if (opts) {
4285 boot_order = qemu_opt_get(opts, "order");
4286 if (boot_order) {
4287 validate_bootdevices(boot_order, &error_fatal);
4288 }
4289
4290 boot_once = qemu_opt_get(opts, "once");
4291 if (boot_once) {
4292 validate_bootdevices(boot_once, &error_fatal);
4293 }
4294
4295 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4296 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4297 }
4298
4299 if (!boot_order) {
4300 boot_order = machine_class->default_boot_order;
4301 }
4302
4303 if (!kernel_cmdline) {
4304 kernel_cmdline = "";
4305 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4306 }
4307
4308 linux_boot = (kernel_filename != NULL);
4309
4310 if (!linux_boot && *kernel_cmdline != '\0') {
4311 error_report("-append only allowed with -kernel option");
4312 exit(1);
4313 }
4314
4315 if (!linux_boot && initrd_filename != NULL) {
4316 error_report("-initrd only allowed with -kernel option");
4317 exit(1);
4318 }
4319
4320 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4321 /* fall back to the -kernel/-append */
4322 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4323 }
4324
4325 os_set_line_buffering();
4326
4327 /* spice needs the timers to be initialized by this point */
4328 qemu_spice_init();
4329
4330 cpu_ticks_init();
4331 if (icount_opts) {
4332 if (!tcg_enabled()) {
4333 error_report("-icount is not allowed with hardware virtualization");
4334 exit(1);
4335 }
4336 configure_icount(icount_opts, &error_abort);
4337 qemu_opts_del(icount_opts);
4338 }
4339
4340 if (tcg_enabled()) {
4341 qemu_tcg_configure(accel_opts, &error_fatal);
4342 }
4343
4344 if (default_net) {
4345 QemuOptsList *net = qemu_find_opts("net");
4346 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4347 #ifdef CONFIG_SLIRP
4348 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4349 #endif
4350 }
4351
4352 colo_info_init();
4353
4354 if (net_init_clients(&err) < 0) {
4355 error_report_err(err);
4356 exit(1);
4357 }
4358
4359 qemu_opts_foreach(qemu_find_opts("object"),
4360 user_creatable_add_opts_foreach,
4361 object_create_delayed, &error_fatal);
4362
4363 tpm_init();
4364
4365 /* init the bluetooth world */
4366 if (foreach_device_config(DEV_BT, bt_parse))
4367 exit(1);
4368
4369 if (!xen_enabled()) {
4370 /* On 32-bit hosts, QEMU is limited by virtual address space */
4371 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4372 error_report("at most 2047 MB RAM can be simulated");
4373 exit(1);
4374 }
4375 }
4376
4377 blk_mig_init();
4378 ram_mig_init();
4379 dirty_bitmap_mig_init();
4380
4381 /* If the currently selected machine wishes to override the units-per-bus
4382 * property of its default HBA interface type, do so now. */
4383 if (machine_class->units_per_default_bus) {
4384 override_max_devs(machine_class->block_default_type,
4385 machine_class->units_per_default_bus);
4386 }
4387
4388 /* open the virtual block devices */
4389 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4390 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4391
4392 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4393 loc_push_restore(&bdo->loc);
4394 qmp_blockdev_add(bdo->bdo, &error_fatal);
4395 loc_pop(&bdo->loc);
4396 qapi_free_BlockdevOptions(bdo->bdo);
4397 g_free(bdo);
4398 }
4399 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4400 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4401 NULL, NULL);
4402 }
4403 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4404 &machine_class->block_default_type, NULL)) {
4405 exit(1);
4406 }
4407
4408 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4409 CDROM_OPTS);
4410 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4411 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4412
4413 qemu_opts_foreach(qemu_find_opts("mon"),
4414 mon_init_func, NULL, &error_fatal);
4415
4416 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4417 exit(1);
4418 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4419 exit(1);
4420 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4421 exit(1);
4422 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4423 exit(1);
4424
4425 /* If no default VGA is requested, the default is "none". */
4426 if (default_vga) {
4427 if (machine_class->default_display) {
4428 vga_model = machine_class->default_display;
4429 } else if (vga_interface_available(VGA_CIRRUS)) {
4430 vga_model = "cirrus";
4431 } else if (vga_interface_available(VGA_STD)) {
4432 vga_model = "std";
4433 }
4434 }
4435 if (vga_model) {
4436 select_vgahw(vga_model);
4437 }
4438
4439 if (watchdog) {
4440 i = select_watchdog(watchdog);
4441 if (i > 0)
4442 exit (i == 1 ? 1 : 0);
4443 }
4444
4445 /* This checkpoint is required by replay to separate prior clock
4446 reading from the other reads, because timer polling functions query
4447 clock values from the log. */
4448 replay_checkpoint(CHECKPOINT_INIT);
4449 qdev_machine_init();
4450
4451 current_machine->ram_size = ram_size;
4452 current_machine->maxram_size = maxram_size;
4453 current_machine->ram_slots = ram_slots;
4454 current_machine->boot_order = boot_order;
4455
4456 /* parse features once if machine provides default cpu_type */
4457 current_machine->cpu_type = machine_class->default_cpu_type;
4458 if (cpu_model) {
4459 current_machine->cpu_type = parse_cpu_model(cpu_model);
4460 }
4461 parse_numa_opts(current_machine);
4462
4463 /* do monitor/qmp handling at preconfig state if requested */
4464 main_loop();
4465
4466 /* from here on runstate is RUN_STATE_PRELAUNCH */
4467 machine_run_board_init(current_machine);
4468
4469 realtime_init();
4470
4471 soundhw_init();
4472
4473 if (hax_enabled()) {
4474 hax_sync_vcpus();
4475 }
4476
4477 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4478 parse_fw_cfg, fw_cfg_find(), &error_fatal);
4479
4480 /* init USB devices */
4481 if (machine_usb(current_machine)) {
4482 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4483 exit(1);
4484 }
4485
4486 /* Check if IGD GFX passthrough. */
4487 igd_gfx_passthru();
4488
4489 /* init generic devices */
4490 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4491 qemu_opts_foreach(qemu_find_opts("device"),
4492 device_init_func, NULL, &error_fatal);
4493
4494 cpu_synchronize_all_post_init();
4495
4496 rom_reset_order_override();
4497
4498 /* Did we create any drives that we failed to create a device for? */
4499 drive_check_orphaned();
4500
4501 /* Don't warn about the default network setup that you get if
4502 * no command line -net or -netdev options are specified. There
4503 * are two cases that we would otherwise complain about:
4504 * (1) board doesn't support a NIC but the implicit "-net nic"
4505 * requested one
4506 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4507 * sets up a nic that isn't connected to anything.
4508 */
4509 if (!default_net && (!qtest_enabled() || has_defaults)) {
4510 net_check_clients();
4511 }
4512
4513 if (boot_once) {
4514 qemu_boot_set(boot_once, &error_fatal);
4515 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4516 }
4517
4518 /* init local displays */
4519 ds = init_displaystate();
4520 qemu_display_init(ds, &dpy);
4521
4522 /* must be after terminal init, SDL library changes signal handlers */
4523 os_setup_signal_handling();
4524
4525 /* init remote displays */
4526 #ifdef CONFIG_VNC
4527 qemu_opts_foreach(qemu_find_opts("vnc"),
4528 vnc_init_func, NULL, &error_fatal);
4529 #endif
4530
4531 if (using_spice) {
4532 qemu_spice_display_init();
4533 }
4534
4535 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4536 exit(1);
4537 }
4538
4539 qdev_machine_creation_done();
4540
4541 /* TODO: once all bus devices are qdevified, this should be done
4542 * when bus is created by qdev.c */
4543 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4544 qemu_run_machine_init_done_notifiers();
4545
4546 if (rom_check_and_register_reset() != 0) {
4547 error_report("rom check and register reset failed");
4548 exit(1);
4549 }
4550
4551 replay_start();
4552
4553 /* This checkpoint is required by replay to separate prior clock
4554 reading from the other reads, because timer polling functions query
4555 clock values from the log. */
4556 replay_checkpoint(CHECKPOINT_RESET);
4557 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4558 register_global_state();
4559 if (loadvm) {
4560 Error *local_err = NULL;
4561 if (load_snapshot(loadvm, &local_err) < 0) {
4562 error_report_err(local_err);
4563 autostart = 0;
4564 exit(1);
4565 }
4566 }
4567 if (replay_mode != REPLAY_MODE_NONE) {
4568 replay_vmstate_init();
4569 }
4570
4571 qdev_prop_check_globals();
4572 if (vmstate_dump_file) {
4573 /* dump and exit */
4574 dump_vmstate_json_to_file(vmstate_dump_file);
4575 return 0;
4576 }
4577
4578 if (incoming) {
4579 Error *local_err = NULL;
4580 qemu_start_incoming_migration(incoming, &local_err);
4581 if (local_err) {
4582 error_reportf_err(local_err, "-incoming %s: ", incoming);
4583 exit(1);
4584 }
4585 } else if (autostart) {
4586 vm_start();
4587 }
4588
4589 accel_setup_post(current_machine);
4590 os_setup_post();
4591
4592 main_loop();
4593
4594 gdbserver_cleanup();
4595
4596 /* No more vcpu or device emulation activity beyond this point */
4597 vm_shutdown();
4598
4599 job_cancel_sync_all();
4600 bdrv_close_all();
4601
4602 res_free();
4603
4604 /* vhost-user must be cleaned up before chardevs. */
4605 tpm_cleanup();
4606 net_cleanup();
4607 audio_cleanup();
4608 monitor_cleanup();
4609 qemu_chr_cleanup();
4610 user_creatable_cleanup();
4611 migration_object_finalize();
4612 /* TODO: unref root container, check all devices are ok */
4613
4614 return 0;
4615 }
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