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qxl: check qxl_phys2virt return value
[qemu/ericb.git] / vl.c
blob4e25c78bff078e1796a8a89bcd8980debbb57210
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_report("fd option is required and must be non-negative");
1063 return -1;
1064 }
1065
1066 if (fd <= STDERR_FILENO) {
1067 error_report("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_report("fd is not valid or already in use");
1078 return -1;
1079 }
1080
1081 if (fdset_id < 0) {
1082 error_report("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_report("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 Error *err = NULL;
2006 DisplayOptions *opts;
2007 Visitor *v;
2008
2009 v = qobject_input_visitor_new_str(optarg, "type", &err);
2010 if (!v) {
2011 error_report_err(err);
2012 exit(1);
2013 }
2014
2015 visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
2016 QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
2017
2018 qapi_free_DisplayOptions(opts);
2019 visit_free(v);
2020 }
2021
2022 static void parse_display(const char *p)
2023 {
2024 const char *opts;
2025
2026 if (strstart(p, "sdl", &opts)) {
2027 /*
2028 * sdl DisplayType needs hand-crafted parser instead of
2029 * parse_display_qapi() due to some options not in
2030 * DisplayOptions, specifically:
2031 * - frame
2032 * Already deprecated.
2033 * - ctrl_grab + alt_grab
2034 * Not clear yet what happens to them long-term. Should
2035 * replaced by something better or deprecated and dropped.
2036 */
2037 dpy.type = DISPLAY_TYPE_SDL;
2038 while (*opts) {
2039 const char *nextopt;
2040
2041 if (strstart(opts, ",frame=", &nextopt)) {
2042 g_printerr("The frame= sdl option is deprecated, and will be\n"
2043 "removed in a future release.\n");
2044 opts = nextopt;
2045 if (strstart(opts, "on", &nextopt)) {
2046 no_frame = 0;
2047 } else if (strstart(opts, "off", &nextopt)) {
2048 no_frame = 1;
2049 } else {
2050 goto invalid_sdl_args;
2051 }
2052 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2053 opts = nextopt;
2054 if (strstart(opts, "on", &nextopt)) {
2055 alt_grab = 1;
2056 } else if (strstart(opts, "off", &nextopt)) {
2057 alt_grab = 0;
2058 } else {
2059 goto invalid_sdl_args;
2060 }
2061 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2062 opts = nextopt;
2063 if (strstart(opts, "on", &nextopt)) {
2064 ctrl_grab = 1;
2065 } else if (strstart(opts, "off", &nextopt)) {
2066 ctrl_grab = 0;
2067 } else {
2068 goto invalid_sdl_args;
2069 }
2070 } else if (strstart(opts, ",window_close=", &nextopt)) {
2071 opts = nextopt;
2072 dpy.has_window_close = true;
2073 if (strstart(opts, "on", &nextopt)) {
2074 dpy.window_close = true;
2075 } else if (strstart(opts, "off", &nextopt)) {
2076 dpy.window_close = false;
2077 } else {
2078 goto invalid_sdl_args;
2079 }
2080 } else if (strstart(opts, ",gl=", &nextopt)) {
2081 opts = nextopt;
2082 dpy.has_gl = true;
2083 if (strstart(opts, "on", &nextopt)) {
2084 dpy.gl = DISPLAYGL_MODE_ON;
2085 } else if (strstart(opts, "core", &nextopt)) {
2086 dpy.gl = DISPLAYGL_MODE_CORE;
2087 } else if (strstart(opts, "es", &nextopt)) {
2088 dpy.gl = DISPLAYGL_MODE_ES;
2089 } else if (strstart(opts, "off", &nextopt)) {
2090 dpy.gl = DISPLAYGL_MODE_OFF;
2091 } else {
2092 goto invalid_sdl_args;
2093 }
2094 } else {
2095 invalid_sdl_args:
2096 error_report("invalid SDL option string");
2097 exit(1);
2098 }
2099 opts = nextopt;
2100 }
2101 } else if (strstart(p, "vnc", &opts)) {
2102 /*
2103 * vnc isn't a (local) DisplayType but a protocol for remote
2104 * display access.
2105 */
2106 if (*opts == '=') {
2107 vnc_parse(opts + 1, &error_fatal);
2108 } else {
2109 error_report("VNC requires a display argument vnc=<display>");
2110 exit(1);
2111 }
2112 } else {
2113 parse_display_qapi(p);
2114 }
2115 }
2116
2117 char *qemu_find_file(int type, const char *name)
2118 {
2119 int i;
2120 const char *subdir;
2121 char *buf;
2122
2123 /* Try the name as a straight path first */
2124 if (access(name, R_OK) == 0) {
2125 trace_load_file(name, name);
2126 return g_strdup(name);
2127 }
2128
2129 switch (type) {
2130 case QEMU_FILE_TYPE_BIOS:
2131 subdir = "";
2132 break;
2133 case QEMU_FILE_TYPE_KEYMAP:
2134 subdir = "keymaps/";
2135 break;
2136 default:
2137 abort();
2138 }
2139
2140 for (i = 0; i < data_dir_idx; i++) {
2141 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2142 if (access(buf, R_OK) == 0) {
2143 trace_load_file(name, buf);
2144 return buf;
2145 }
2146 g_free(buf);
2147 }
2148 return NULL;
2149 }
2150
2151 static void qemu_add_data_dir(const char *path)
2152 {
2153 int i;
2154
2155 if (path == NULL) {
2156 return;
2157 }
2158 if (data_dir_idx == ARRAY_SIZE(data_dir)) {
2159 return;
2160 }
2161 for (i = 0; i < data_dir_idx; i++) {
2162 if (strcmp(data_dir[i], path) == 0) {
2163 return; /* duplicate */
2164 }
2165 }
2166 data_dir[data_dir_idx++] = g_strdup(path);
2167 }
2168
2169 static inline bool nonempty_str(const char *str)
2170 {
2171 return str && *str;
2172 }
2173
2174 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2175 {
2176 gchar *buf;
2177 size_t size;
2178 const char *name, *file, *str;
2179 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2180
2181 if (fw_cfg == NULL) {
2182 error_report("fw_cfg device not available");
2183 return -1;
2184 }
2185 name = qemu_opt_get(opts, "name");
2186 file = qemu_opt_get(opts, "file");
2187 str = qemu_opt_get(opts, "string");
2188
2189 /* we need name and either a file or the content string */
2190 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2191 error_report("invalid argument(s)");
2192 return -1;
2193 }
2194 if (nonempty_str(file) && nonempty_str(str)) {
2195 error_report("file and string are mutually exclusive");
2196 return -1;
2197 }
2198 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2199 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2200 return -1;
2201 }
2202 if (strncmp(name, "opt/", 4) != 0) {
2203 warn_report("externally provided fw_cfg item names "
2204 "should be prefixed with \"opt/\"");
2205 }
2206 if (nonempty_str(str)) {
2207 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2208 buf = g_memdup(str, size);
2209 } else {
2210 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2211 error_report("can't load %s", file);
2212 return -1;
2213 }
2214 }
2215 /* For legacy, keep user files in a specific global order. */
2216 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2217 fw_cfg_add_file(fw_cfg, name, buf, size);
2218 fw_cfg_reset_order_override(fw_cfg);
2219 return 0;
2220 }
2221
2222 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2223 {
2224 return qdev_device_help(opts);
2225 }
2226
2227 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2228 {
2229 Error *err = NULL;
2230 DeviceState *dev;
2231
2232 dev = qdev_device_add(opts, &err);
2233 if (!dev) {
2234 error_report_err(err);
2235 return -1;
2236 }
2237 object_unref(OBJECT(dev));
2238 return 0;
2239 }
2240
2241 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2242 {
2243 Error *local_err = NULL;
2244
2245 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2246 if (local_err) {
2247 error_report_err(local_err);
2248 return -1;
2249 }
2250 exit(0);
2251 }
2252 return 0;
2253 }
2254
2255 #ifdef CONFIG_VIRTFS
2256 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2257 {
2258 return qemu_fsdev_add(opts);
2259 }
2260 #endif
2261
2262 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2263 {
2264 Chardev *chr;
2265 const char *chardev;
2266 const char *mode;
2267 int flags;
2268
2269 mode = qemu_opt_get(opts, "mode");
2270 if (mode == NULL) {
2271 mode = "readline";
2272 }
2273 if (strcmp(mode, "readline") == 0) {
2274 flags = MONITOR_USE_READLINE;
2275 } else if (strcmp(mode, "control") == 0) {
2276 flags = MONITOR_USE_CONTROL;
2277 } else {
2278 error_report("unknown monitor mode \"%s\"", mode);
2279 exit(1);
2280 }
2281
2282 if (qemu_opt_get_bool(opts, "pretty", 0))
2283 flags |= MONITOR_USE_PRETTY;
2284
2285 /* OOB is off by default */
2286 if (qemu_opt_get_bool(opts, "x-oob", 0)) {
2287 flags |= MONITOR_USE_OOB;
2288 }
2289
2290 chardev = qemu_opt_get(opts, "chardev");
2291 chr = qemu_chr_find(chardev);
2292 if (chr == NULL) {
2293 error_report("chardev \"%s\" not found", chardev);
2294 exit(1);
2295 }
2296
2297 monitor_init(chr, flags);
2298 return 0;
2299 }
2300
2301 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2302 {
2303 static int monitor_device_index = 0;
2304 QemuOpts *opts;
2305 const char *p;
2306 char label[32];
2307
2308 if (strstart(optarg, "chardev:", &p)) {
2309 snprintf(label, sizeof(label), "%s", p);
2310 } else {
2311 snprintf(label, sizeof(label), "compat_monitor%d",
2312 monitor_device_index);
2313 opts = qemu_chr_parse_compat(label, optarg, true);
2314 if (!opts) {
2315 error_report("parse error: %s", optarg);
2316 exit(1);
2317 }
2318 }
2319
2320 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2321 qemu_opt_set(opts, "mode", mode, &error_abort);
2322 qemu_opt_set(opts, "chardev", label, &error_abort);
2323 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2324 monitor_device_index++;
2325 }
2326
2327 struct device_config {
2328 enum {
2329 DEV_USB, /* -usbdevice */
2330 DEV_BT, /* -bt */
2331 DEV_SERIAL, /* -serial */
2332 DEV_PARALLEL, /* -parallel */
2333 DEV_VIRTCON, /* -virtioconsole */
2334 DEV_DEBUGCON, /* -debugcon */
2335 DEV_GDB, /* -gdb, -s */
2336 DEV_SCLP, /* s390 sclp */
2337 } type;
2338 const char *cmdline;
2339 Location loc;
2340 QTAILQ_ENTRY(device_config) next;
2341 };
2342
2343 static QTAILQ_HEAD(, device_config) device_configs =
2344 QTAILQ_HEAD_INITIALIZER(device_configs);
2345
2346 static void add_device_config(int type, const char *cmdline)
2347 {
2348 struct device_config *conf;
2349
2350 conf = g_malloc0(sizeof(*conf));
2351 conf->type = type;
2352 conf->cmdline = cmdline;
2353 loc_save(&conf->loc);
2354 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2355 }
2356
2357 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2358 {
2359 struct device_config *conf;
2360 int rc;
2361
2362 QTAILQ_FOREACH(conf, &device_configs, next) {
2363 if (conf->type != type)
2364 continue;
2365 loc_push_restore(&conf->loc);
2366 rc = func(conf->cmdline);
2367 loc_pop(&conf->loc);
2368 if (rc) {
2369 return rc;
2370 }
2371 }
2372 return 0;
2373 }
2374
2375 static int serial_parse(const char *devname)
2376 {
2377 int index = num_serial_hds;
2378 char label[32];
2379
2380 if (strcmp(devname, "none") == 0)
2381 return 0;
2382 snprintf(label, sizeof(label), "serial%d", index);
2383 serial_hds = g_renew(Chardev *, serial_hds, index + 1);
2384
2385 serial_hds[index] = qemu_chr_new_mux_mon(label, devname);
2386 if (!serial_hds[index]) {
2387 error_report("could not connect serial device"
2388 " to character backend '%s'", devname);
2389 return -1;
2390 }
2391 num_serial_hds++;
2392 return 0;
2393 }
2394
2395 Chardev *serial_hd(int i)
2396 {
2397 assert(i >= 0);
2398 if (i < num_serial_hds) {
2399 return serial_hds[i];
2400 }
2401 return NULL;
2402 }
2403
2404 int serial_max_hds(void)
2405 {
2406 return num_serial_hds;
2407 }
2408
2409 static int parallel_parse(const char *devname)
2410 {
2411 static int index = 0;
2412 char label[32];
2413
2414 if (strcmp(devname, "none") == 0)
2415 return 0;
2416 if (index == MAX_PARALLEL_PORTS) {
2417 error_report("too many parallel ports");
2418 exit(1);
2419 }
2420 snprintf(label, sizeof(label), "parallel%d", index);
2421 parallel_hds[index] = qemu_chr_new_mux_mon(label, devname);
2422 if (!parallel_hds[index]) {
2423 error_report("could not connect parallel device"
2424 " to character backend '%s'", devname);
2425 return -1;
2426 }
2427 index++;
2428 return 0;
2429 }
2430
2431 static int virtcon_parse(const char *devname)
2432 {
2433 QemuOptsList *device = qemu_find_opts("device");
2434 static int index = 0;
2435 char label[32];
2436 QemuOpts *bus_opts, *dev_opts;
2437
2438 if (strcmp(devname, "none") == 0)
2439 return 0;
2440 if (index == MAX_VIRTIO_CONSOLES) {
2441 error_report("too many virtio consoles");
2442 exit(1);
2443 }
2444
2445 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2446 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2447
2448 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2449 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2450
2451 snprintf(label, sizeof(label), "virtcon%d", index);
2452 virtcon_hds[index] = qemu_chr_new_mux_mon(label, devname);
2453 if (!virtcon_hds[index]) {
2454 error_report("could not connect virtio console"
2455 " to character backend '%s'", devname);
2456 return -1;
2457 }
2458 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2459
2460 index++;
2461 return 0;
2462 }
2463
2464 static int debugcon_parse(const char *devname)
2465 {
2466 QemuOpts *opts;
2467
2468 if (!qemu_chr_new_mux_mon("debugcon", devname)) {
2469 exit(1);
2470 }
2471 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2472 if (!opts) {
2473 error_report("already have a debugcon device");
2474 exit(1);
2475 }
2476 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2477 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2478 return 0;
2479 }
2480
2481 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2482 {
2483 const MachineClass *mc1 = a, *mc2 = b;
2484 int res;
2485
2486 if (mc1->family == NULL) {
2487 if (mc2->family == NULL) {
2488 /* Compare standalone machine types against each other; they sort
2489 * in increasing order.
2490 */
2491 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2492 object_class_get_name(OBJECT_CLASS(mc2)));
2493 }
2494
2495 /* Standalone machine types sort after families. */
2496 return 1;
2497 }
2498
2499 if (mc2->family == NULL) {
2500 /* Families sort before standalone machine types. */
2501 return -1;
2502 }
2503
2504 /* Families sort between each other alphabetically increasingly. */
2505 res = strcmp(mc1->family, mc2->family);
2506 if (res != 0) {
2507 return res;
2508 }
2509
2510 /* Within the same family, machine types sort in decreasing order. */
2511 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2512 object_class_get_name(OBJECT_CLASS(mc1)));
2513 }
2514
2515 static MachineClass *machine_parse(const char *name)
2516 {
2517 MachineClass *mc = NULL;
2518 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2519
2520 if (name) {
2521 mc = find_machine(name);
2522 }
2523 if (mc) {
2524 g_slist_free(machines);
2525 return mc;
2526 }
2527 if (name && !is_help_option(name)) {
2528 error_report("unsupported machine type");
2529 error_printf("Use -machine help to list supported machines\n");
2530 } else {
2531 printf("Supported machines are:\n");
2532 machines = g_slist_sort(machines, machine_class_cmp);
2533 for (el = machines; el; el = el->next) {
2534 MachineClass *mc = el->data;
2535 if (mc->alias) {
2536 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2537 }
2538 printf("%-20s %s%s%s\n", mc->name, mc->desc,
2539 mc->is_default ? " (default)" : "",
2540 mc->deprecation_reason ? " (deprecated)" : "");
2541 }
2542 }
2543
2544 g_slist_free(machines);
2545 exit(!name || !is_help_option(name));
2546 }
2547
2548 void qemu_add_exit_notifier(Notifier *notify)
2549 {
2550 notifier_list_add(&exit_notifiers, notify);
2551 }
2552
2553 void qemu_remove_exit_notifier(Notifier *notify)
2554 {
2555 notifier_remove(notify);
2556 }
2557
2558 static void qemu_run_exit_notifiers(void)
2559 {
2560 notifier_list_notify(&exit_notifiers, NULL);
2561 }
2562
2563 static const char *pid_file;
2564 static Notifier qemu_unlink_pidfile_notifier;
2565
2566 static void qemu_unlink_pidfile(Notifier *n, void *data)
2567 {
2568 if (pid_file) {
2569 unlink(pid_file);
2570 }
2571 }
2572
2573 bool machine_init_done;
2574
2575 void qemu_add_machine_init_done_notifier(Notifier *notify)
2576 {
2577 notifier_list_add(&machine_init_done_notifiers, notify);
2578 if (machine_init_done) {
2579 notify->notify(notify, NULL);
2580 }
2581 }
2582
2583 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2584 {
2585 notifier_remove(notify);
2586 }
2587
2588 static void qemu_run_machine_init_done_notifiers(void)
2589 {
2590 machine_init_done = true;
2591 notifier_list_notify(&machine_init_done_notifiers, NULL);
2592 }
2593
2594 static const QEMUOption *lookup_opt(int argc, char **argv,
2595 const char **poptarg, int *poptind)
2596 {
2597 const QEMUOption *popt;
2598 int optind = *poptind;
2599 char *r = argv[optind];
2600 const char *optarg;
2601
2602 loc_set_cmdline(argv, optind, 1);
2603 optind++;
2604 /* Treat --foo the same as -foo. */
2605 if (r[1] == '-')
2606 r++;
2607 popt = qemu_options;
2608 for(;;) {
2609 if (!popt->name) {
2610 error_report("invalid option");
2611 exit(1);
2612 }
2613 if (!strcmp(popt->name, r + 1))
2614 break;
2615 popt++;
2616 }
2617 if (popt->flags & HAS_ARG) {
2618 if (optind >= argc) {
2619 error_report("requires an argument");
2620 exit(1);
2621 }
2622 optarg = argv[optind++];
2623 loc_set_cmdline(argv, optind - 2, 2);
2624 } else {
2625 optarg = NULL;
2626 }
2627
2628 *poptarg = optarg;
2629 *poptind = optind;
2630
2631 return popt;
2632 }
2633
2634 static MachineClass *select_machine(void)
2635 {
2636 MachineClass *machine_class = find_default_machine();
2637 const char *optarg;
2638 QemuOpts *opts;
2639 Location loc;
2640
2641 loc_push_none(&loc);
2642
2643 opts = qemu_get_machine_opts();
2644 qemu_opts_loc_restore(opts);
2645
2646 optarg = qemu_opt_get(opts, "type");
2647 if (optarg) {
2648 machine_class = machine_parse(optarg);
2649 }
2650
2651 if (!machine_class) {
2652 error_report("No machine specified, and there is no default");
2653 error_printf("Use -machine help to list supported machines\n");
2654 exit(1);
2655 }
2656
2657 loc_pop(&loc);
2658 return machine_class;
2659 }
2660
2661 static int machine_set_property(void *opaque,
2662 const char *name, const char *value,
2663 Error **errp)
2664 {
2665 Object *obj = OBJECT(opaque);
2666 Error *local_err = NULL;
2667 char *p, *qom_name;
2668
2669 if (strcmp(name, "type") == 0) {
2670 return 0;
2671 }
2672
2673 qom_name = g_strdup(name);
2674 for (p = qom_name; *p; p++) {
2675 if (*p == '_') {
2676 *p = '-';
2677 }
2678 }
2679
2680 object_property_parse(obj, value, qom_name, &local_err);
2681 g_free(qom_name);
2682
2683 if (local_err) {
2684 error_report_err(local_err);
2685 return -1;
2686 }
2687
2688 return 0;
2689 }
2690
2691
2692 /*
2693 * Initial object creation happens before all other
2694 * QEMU data types are created. The majority of objects
2695 * can be created at this point. The rng-egd object
2696 * cannot be created here, as it depends on the chardev
2697 * already existing.
2698 */
2699 static bool object_create_initial(const char *type, QemuOpts *opts)
2700 {
2701 ObjectClass *klass;
2702
2703 if (is_help_option(type)) {
2704 GSList *l, *list;
2705
2706 printf("List of user creatable objects:\n");
2707 list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
2708 for (l = list; l != NULL; l = l->next) {
2709 ObjectClass *oc = OBJECT_CLASS(l->data);
2710 printf("%s\n", object_class_get_name(oc));
2711 }
2712 g_slist_free(list);
2713 exit(0);
2714 }
2715
2716 klass = object_class_by_name(type);
2717 if (klass && qemu_opt_has_help_opt(opts)) {
2718 ObjectPropertyIterator iter;
2719 ObjectProperty *prop;
2720 GPtrArray *array = g_ptr_array_new();
2721 int i;
2722
2723 object_class_property_iter_init(&iter, klass);
2724 while ((prop = object_property_iter_next(&iter))) {
2725 GString *str;
2726
2727 if (!prop->set) {
2728 continue;
2729 }
2730
2731 str = g_string_new(NULL);
2732 g_string_append_printf(str, "%s.%s=%s", type,
2733 prop->name, prop->type);
2734 if (prop->description) {
2735 g_string_append_printf(str, " - %s", prop->description);
2736 }
2737 g_ptr_array_add(array, g_string_free(str, false));
2738 }
2739 g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
2740 for (i = 0; i < array->len; i++) {
2741 printf("%s\n", (char *)array->pdata[i]);
2742 }
2743 g_ptr_array_set_free_func(array, g_free);
2744 g_ptr_array_free(array, true);
2745 exit(0);
2746 }
2747
2748 if (g_str_equal(type, "rng-egd") ||
2749 g_str_has_prefix(type, "pr-manager-")) {
2750 return false;
2751 }
2752
2753 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2754 if (g_str_equal(type, "cryptodev-vhost-user")) {
2755 return false;
2756 }
2757 #endif
2758
2759 /*
2760 * return false for concrete netfilters since
2761 * they depend on netdevs already existing
2762 */
2763 if (g_str_equal(type, "filter-buffer") ||
2764 g_str_equal(type, "filter-dump") ||
2765 g_str_equal(type, "filter-mirror") ||
2766 g_str_equal(type, "filter-redirector") ||
2767 g_str_equal(type, "colo-compare") ||
2768 g_str_equal(type, "filter-rewriter") ||
2769 g_str_equal(type, "filter-replay")) {
2770 return false;
2771 }
2772
2773 /* Memory allocation by backends needs to be done
2774 * after configure_accelerator() (due to the tcg_enabled()
2775 * checks at memory_region_init_*()).
2776 *
2777 * Also, allocation of large amounts of memory may delay
2778 * chardev initialization for too long, and trigger timeouts
2779 * on software that waits for a monitor socket to be created
2780 * (e.g. libvirt).
2781 */
2782 if (g_str_has_prefix(type, "memory-backend-")) {
2783 return false;
2784 }
2785
2786 return true;
2787 }
2788
2789
2790 /*
2791 * The remainder of object creation happens after the
2792 * creation of chardev, fsdev, net clients and device data types.
2793 */
2794 static bool object_create_delayed(const char *type, QemuOpts *opts)
2795 {
2796 return !object_create_initial(type, opts);
2797 }
2798
2799
2800 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2801 MachineClass *mc)
2802 {
2803 uint64_t sz;
2804 const char *mem_str;
2805 const ram_addr_t default_ram_size = mc->default_ram_size;
2806 QemuOpts *opts = qemu_find_opts_singleton("memory");
2807 Location loc;
2808
2809 loc_push_none(&loc);
2810 qemu_opts_loc_restore(opts);
2811
2812 sz = 0;
2813 mem_str = qemu_opt_get(opts, "size");
2814 if (mem_str) {
2815 if (!*mem_str) {
2816 error_report("missing 'size' option value");
2817 exit(EXIT_FAILURE);
2818 }
2819
2820 sz = qemu_opt_get_size(opts, "size", ram_size);
2821
2822 /* Fix up legacy suffix-less format */
2823 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2824 uint64_t overflow_check = sz;
2825
2826 sz *= MiB;
2827 if (sz / MiB != overflow_check) {
2828 error_report("too large 'size' option value");
2829 exit(EXIT_FAILURE);
2830 }
2831 }
2832 }
2833
2834 /* backward compatibility behaviour for case "-m 0" */
2835 if (sz == 0) {
2836 sz = default_ram_size;
2837 }
2838
2839 sz = QEMU_ALIGN_UP(sz, 8192);
2840 ram_size = sz;
2841 if (ram_size != sz) {
2842 error_report("ram size too large");
2843 exit(EXIT_FAILURE);
2844 }
2845
2846 /* store value for the future use */
2847 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2848 *maxram_size = ram_size;
2849
2850 if (qemu_opt_get(opts, "maxmem")) {
2851 uint64_t slots;
2852
2853 sz = qemu_opt_get_size(opts, "maxmem", 0);
2854 slots = qemu_opt_get_number(opts, "slots", 0);
2855 if (sz < ram_size) {
2856 error_report("invalid value of -m option maxmem: "
2857 "maximum memory size (0x%" PRIx64 ") must be at least "
2858 "the initial memory size (0x" RAM_ADDR_FMT ")",
2859 sz, ram_size);
2860 exit(EXIT_FAILURE);
2861 } else if (slots && sz == ram_size) {
2862 error_report("invalid value of -m option maxmem: "
2863 "memory slots were specified but maximum memory size "
2864 "(0x%" PRIx64 ") is equal to the initial memory size "
2865 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2866 exit(EXIT_FAILURE);
2867 }
2868
2869 *maxram_size = sz;
2870 *ram_slots = slots;
2871 } else if (qemu_opt_get(opts, "slots")) {
2872 error_report("invalid -m option value: missing 'maxmem' option");
2873 exit(EXIT_FAILURE);
2874 }
2875
2876 loc_pop(&loc);
2877 }
2878
2879 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2880 {
2881 GlobalProperty *g;
2882
2883 g = g_malloc0(sizeof(*g));
2884 g->driver = qemu_opt_get(opts, "driver");
2885 g->property = qemu_opt_get(opts, "property");
2886 g->value = qemu_opt_get(opts, "value");
2887 g->user_provided = true;
2888 g->errp = &error_fatal;
2889 qdev_prop_register_global(g);
2890 return 0;
2891 }
2892
2893 static int qemu_read_default_config_file(void)
2894 {
2895 int ret;
2896
2897 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2898 if (ret < 0 && ret != -ENOENT) {
2899 return ret;
2900 }
2901
2902 return 0;
2903 }
2904
2905 static void user_register_global_props(void)
2906 {
2907 qemu_opts_foreach(qemu_find_opts("global"),
2908 global_init_func, NULL, NULL);
2909 }
2910
2911 /*
2912 * Note: we should see that these properties are actually having a
2913 * priority: accel < machine < user. This means e.g. when user
2914 * specifies something in "-global", it'll always be used with highest
2915 * priority than either machine/accelerator compat properties.
2916 */
2917 static void register_global_properties(MachineState *ms)
2918 {
2919 accel_register_compat_props(ms->accelerator);
2920 machine_register_compat_props(ms);
2921 user_register_global_props();
2922 }
2923
2924 int main(int argc, char **argv, char **envp)
2925 {
2926 int i;
2927 int snapshot, linux_boot;
2928 const char *initrd_filename;
2929 const char *kernel_filename, *kernel_cmdline;
2930 const char *boot_order = NULL;
2931 const char *boot_once = NULL;
2932 DisplayState *ds;
2933 QemuOpts *opts, *machine_opts;
2934 QemuOpts *icount_opts = NULL, *accel_opts = NULL;
2935 QemuOptsList *olist;
2936 int optind;
2937 const char *optarg;
2938 const char *loadvm = NULL;
2939 MachineClass *machine_class;
2940 const char *cpu_model;
2941 const char *vga_model = NULL;
2942 const char *qtest_chrdev = NULL;
2943 const char *qtest_log = NULL;
2944 const char *incoming = NULL;
2945 bool userconfig = true;
2946 bool nographic = false;
2947 int display_remote = 0;
2948 const char *log_mask = NULL;
2949 const char *log_file = NULL;
2950 char *trace_file = NULL;
2951 ram_addr_t maxram_size;
2952 uint64_t ram_slots = 0;
2953 FILE *vmstate_dump_file = NULL;
2954 Error *main_loop_err = NULL;
2955 Error *err = NULL;
2956 bool list_data_dirs = false;
2957 char *dir, **dirs;
2958 typedef struct BlockdevOptions_queue {
2959 BlockdevOptions *bdo;
2960 Location loc;
2961 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
2962 } BlockdevOptions_queue;
2963 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
2964 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
2965
2966 module_call_init(MODULE_INIT_TRACE);
2967
2968 qemu_init_cpu_list();
2969 qemu_init_cpu_loop();
2970
2971 qemu_mutex_lock_iothread();
2972
2973 atexit(qemu_run_exit_notifiers);
2974 error_set_progname(argv[0]);
2975 qemu_init_exec_dir(argv[0]);
2976
2977 module_call_init(MODULE_INIT_QOM);
2978
2979 qemu_add_opts(&qemu_drive_opts);
2980 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2981 qemu_add_drive_opts(&qemu_common_drive_opts);
2982 qemu_add_drive_opts(&qemu_drive_opts);
2983 qemu_add_drive_opts(&bdrv_runtime_opts);
2984 qemu_add_opts(&qemu_chardev_opts);
2985 qemu_add_opts(&qemu_device_opts);
2986 qemu_add_opts(&qemu_netdev_opts);
2987 qemu_add_opts(&qemu_nic_opts);
2988 qemu_add_opts(&qemu_net_opts);
2989 qemu_add_opts(&qemu_rtc_opts);
2990 qemu_add_opts(&qemu_global_opts);
2991 qemu_add_opts(&qemu_mon_opts);
2992 qemu_add_opts(&qemu_trace_opts);
2993 qemu_add_opts(&qemu_option_rom_opts);
2994 qemu_add_opts(&qemu_machine_opts);
2995 qemu_add_opts(&qemu_accel_opts);
2996 qemu_add_opts(&qemu_mem_opts);
2997 qemu_add_opts(&qemu_smp_opts);
2998 qemu_add_opts(&qemu_boot_opts);
2999 qemu_add_opts(&qemu_add_fd_opts);
3000 qemu_add_opts(&qemu_object_opts);
3001 qemu_add_opts(&qemu_tpmdev_opts);
3002 qemu_add_opts(&qemu_realtime_opts);
3003 qemu_add_opts(&qemu_overcommit_opts);
3004 qemu_add_opts(&qemu_msg_opts);
3005 qemu_add_opts(&qemu_name_opts);
3006 qemu_add_opts(&qemu_numa_opts);
3007 qemu_add_opts(&qemu_icount_opts);
3008 qemu_add_opts(&qemu_semihosting_config_opts);
3009 qemu_add_opts(&qemu_fw_cfg_opts);
3010 module_call_init(MODULE_INIT_OPTS);
3011
3012 runstate_init();
3013 postcopy_infrastructure_init();
3014 monitor_init_globals();
3015
3016 if (qcrypto_init(&err) < 0) {
3017 error_reportf_err(err, "cannot initialize crypto: ");
3018 exit(1);
3019 }
3020 rtc_clock = QEMU_CLOCK_HOST;
3021
3022 QLIST_INIT (&vm_change_state_head);
3023 os_setup_early_signal_handling();
3024
3025 cpu_model = NULL;
3026 snapshot = 0;
3027
3028 nb_nics = 0;
3029
3030 bdrv_init_with_whitelist();
3031
3032 autostart = 1;
3033
3034 /* first pass of option parsing */
3035 optind = 1;
3036 while (optind < argc) {
3037 if (argv[optind][0] != '-') {
3038 /* disk image */
3039 optind++;
3040 } else {
3041 const QEMUOption *popt;
3042
3043 popt = lookup_opt(argc, argv, &optarg, &optind);
3044 switch (popt->index) {
3045 case QEMU_OPTION_nouserconfig:
3046 userconfig = false;
3047 break;
3048 }
3049 }
3050 }
3051
3052 if (userconfig) {
3053 if (qemu_read_default_config_file() < 0) {
3054 exit(1);
3055 }
3056 }
3057
3058 /* second pass of option parsing */
3059 optind = 1;
3060 for(;;) {
3061 if (optind >= argc)
3062 break;
3063 if (argv[optind][0] != '-') {
3064 drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3065 } else {
3066 const QEMUOption *popt;
3067
3068 popt = lookup_opt(argc, argv, &optarg, &optind);
3069 if (!(popt->arch_mask & arch_type)) {
3070 error_report("Option not supported for this target");
3071 exit(1);
3072 }
3073 switch(popt->index) {
3074 case QEMU_OPTION_cpu:
3075 /* hw initialization will check this */
3076 cpu_model = optarg;
3077 break;
3078 case QEMU_OPTION_hda:
3079 case QEMU_OPTION_hdb:
3080 case QEMU_OPTION_hdc:
3081 case QEMU_OPTION_hdd:
3082 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3083 HD_OPTS);
3084 break;
3085 case QEMU_OPTION_blockdev:
3086 {
3087 Visitor *v;
3088 BlockdevOptions_queue *bdo;
3089
3090 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3091 if (!v) {
3092 error_report_err(err);
3093 exit(1);
3094 }
3095
3096 bdo = g_new(BlockdevOptions_queue, 1);
3097 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3098 &error_fatal);
3099 visit_free(v);
3100 loc_save(&bdo->loc);
3101 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3102 break;
3103 }
3104 case QEMU_OPTION_drive:
3105 if (drive_def(optarg) == NULL) {
3106 exit(1);
3107 }
3108 break;
3109 case QEMU_OPTION_set:
3110 if (qemu_set_option(optarg) != 0)
3111 exit(1);
3112 break;
3113 case QEMU_OPTION_global:
3114 if (qemu_global_option(optarg) != 0)
3115 exit(1);
3116 break;
3117 case QEMU_OPTION_mtdblock:
3118 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3119 break;
3120 case QEMU_OPTION_sd:
3121 drive_add(IF_SD, -1, optarg, SD_OPTS);
3122 break;
3123 case QEMU_OPTION_pflash:
3124 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3125 break;
3126 case QEMU_OPTION_snapshot:
3127 snapshot = 1;
3128 break;
3129 case QEMU_OPTION_numa:
3130 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3131 optarg, true);
3132 if (!opts) {
3133 exit(1);
3134 }
3135 break;
3136 case QEMU_OPTION_display:
3137 parse_display(optarg);
3138 break;
3139 case QEMU_OPTION_nographic:
3140 olist = qemu_find_opts("machine");
3141 qemu_opts_parse_noisily(olist, "graphics=off", false);
3142 nographic = true;
3143 dpy.type = DISPLAY_TYPE_NONE;
3144 break;
3145 case QEMU_OPTION_curses:
3146 #ifdef CONFIG_CURSES
3147 dpy.type = DISPLAY_TYPE_CURSES;
3148 #else
3149 error_report("curses support is disabled");
3150 exit(1);
3151 #endif
3152 break;
3153 case QEMU_OPTION_portrait:
3154 graphic_rotate = 90;
3155 break;
3156 case QEMU_OPTION_rotate:
3157 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3158 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3159 graphic_rotate != 180 && graphic_rotate != 270) {
3160 error_report("only 90, 180, 270 deg rotation is available");
3161 exit(1);
3162 }
3163 break;
3164 case QEMU_OPTION_kernel:
3165 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3166 &error_abort);
3167 break;
3168 case QEMU_OPTION_initrd:
3169 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3170 &error_abort);
3171 break;
3172 case QEMU_OPTION_append:
3173 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3174 &error_abort);
3175 break;
3176 case QEMU_OPTION_dtb:
3177 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3178 &error_abort);
3179 break;
3180 case QEMU_OPTION_cdrom:
3181 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3182 break;
3183 case QEMU_OPTION_boot:
3184 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3185 optarg, true);
3186 if (!opts) {
3187 exit(1);
3188 }
3189 break;
3190 case QEMU_OPTION_fda:
3191 case QEMU_OPTION_fdb:
3192 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3193 optarg, FD_OPTS);
3194 break;
3195 case QEMU_OPTION_no_fd_bootchk:
3196 fd_bootchk = 0;
3197 break;
3198 case QEMU_OPTION_netdev:
3199 default_net = 0;
3200 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3201 exit(1);
3202 }
3203 break;
3204 case QEMU_OPTION_nic:
3205 default_net = 0;
3206 if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
3207 exit(1);
3208 }
3209 break;
3210 case QEMU_OPTION_net:
3211 default_net = 0;
3212 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3213 exit(1);
3214 }
3215 break;
3216 #ifdef CONFIG_LIBISCSI
3217 case QEMU_OPTION_iscsi:
3218 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3219 optarg, false);
3220 if (!opts) {
3221 exit(1);
3222 }
3223 break;
3224 #endif
3225 case QEMU_OPTION_bt:
3226 add_device_config(DEV_BT, optarg);
3227 break;
3228 case QEMU_OPTION_audio_help:
3229 AUD_help ();
3230 exit (0);
3231 break;
3232 case QEMU_OPTION_soundhw:
3233 select_soundhw (optarg);
3234 break;
3235 case QEMU_OPTION_h:
3236 help(0);
3237 break;
3238 case QEMU_OPTION_version:
3239 version();
3240 exit(0);
3241 break;
3242 case QEMU_OPTION_m:
3243 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3244 optarg, true);
3245 if (!opts) {
3246 exit(EXIT_FAILURE);
3247 }
3248 break;
3249 #ifdef CONFIG_TPM
3250 case QEMU_OPTION_tpmdev:
3251 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3252 exit(1);
3253 }
3254 break;
3255 #endif
3256 case QEMU_OPTION_mempath:
3257 mem_path = optarg;
3258 break;
3259 case QEMU_OPTION_mem_prealloc:
3260 mem_prealloc = 1;
3261 break;
3262 case QEMU_OPTION_d:
3263 log_mask = optarg;
3264 break;
3265 case QEMU_OPTION_D:
3266 log_file = optarg;
3267 break;
3268 case QEMU_OPTION_DFILTER:
3269 qemu_set_dfilter_ranges(optarg, &error_fatal);
3270 break;
3271 case QEMU_OPTION_s:
3272 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3273 break;
3274 case QEMU_OPTION_gdb:
3275 add_device_config(DEV_GDB, optarg);
3276 break;
3277 case QEMU_OPTION_L:
3278 if (is_help_option(optarg)) {
3279 list_data_dirs = true;
3280 } else {
3281 qemu_add_data_dir(optarg);
3282 }
3283 break;
3284 case QEMU_OPTION_bios:
3285 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3286 &error_abort);
3287 break;
3288 case QEMU_OPTION_singlestep:
3289 singlestep = 1;
3290 break;
3291 case QEMU_OPTION_S:
3292 autostart = 0;
3293 break;
3294 case QEMU_OPTION_k:
3295 keyboard_layout = optarg;
3296 break;
3297 case QEMU_OPTION_vga:
3298 vga_model = optarg;
3299 default_vga = 0;
3300 break;
3301 case QEMU_OPTION_g:
3302 {
3303 const char *p;
3304 int w, h, depth;
3305 p = optarg;
3306 w = strtol(p, (char **)&p, 10);
3307 if (w <= 0) {
3308 graphic_error:
3309 error_report("invalid resolution or depth");
3310 exit(1);
3311 }
3312 if (*p != 'x')
3313 goto graphic_error;
3314 p++;
3315 h = strtol(p, (char **)&p, 10);
3316 if (h <= 0)
3317 goto graphic_error;
3318 if (*p == 'x') {
3319 p++;
3320 depth = strtol(p, (char **)&p, 10);
3321 if (depth != 8 && depth != 15 && depth != 16 &&
3322 depth != 24 && depth != 32)
3323 goto graphic_error;
3324 } else if (*p == '\0') {
3325 depth = graphic_depth;
3326 } else {
3327 goto graphic_error;
3328 }
3329
3330 graphic_width = w;
3331 graphic_height = h;
3332 graphic_depth = depth;
3333 }
3334 break;
3335 case QEMU_OPTION_echr:
3336 {
3337 char *r;
3338 term_escape_char = strtol(optarg, &r, 0);
3339 if (r == optarg)
3340 printf("Bad argument to echr\n");
3341 break;
3342 }
3343 case QEMU_OPTION_monitor:
3344 default_monitor = 0;
3345 if (strncmp(optarg, "none", 4)) {
3346 monitor_parse(optarg, "readline", false);
3347 }
3348 break;
3349 case QEMU_OPTION_qmp:
3350 monitor_parse(optarg, "control", false);
3351 default_monitor = 0;
3352 break;
3353 case QEMU_OPTION_qmp_pretty:
3354 monitor_parse(optarg, "control", true);
3355 default_monitor = 0;
3356 break;
3357 case QEMU_OPTION_mon:
3358 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3359 true);
3360 if (!opts) {
3361 exit(1);
3362 }
3363 default_monitor = 0;
3364 break;
3365 case QEMU_OPTION_chardev:
3366 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3367 optarg, true);
3368 if (!opts) {
3369 exit(1);
3370 }
3371 break;
3372 case QEMU_OPTION_fsdev:
3373 olist = qemu_find_opts("fsdev");
3374 if (!olist) {
3375 error_report("fsdev support is disabled");
3376 exit(1);
3377 }
3378 opts = qemu_opts_parse_noisily(olist, optarg, true);
3379 if (!opts) {
3380 exit(1);
3381 }
3382 break;
3383 case QEMU_OPTION_virtfs: {
3384 QemuOpts *fsdev;
3385 QemuOpts *device;
3386 const char *writeout, *sock_fd, *socket, *path, *security_model;
3387
3388 olist = qemu_find_opts("virtfs");
3389 if (!olist) {
3390 error_report("virtfs support is disabled");
3391 exit(1);
3392 }
3393 opts = qemu_opts_parse_noisily(olist, optarg, true);
3394 if (!opts) {
3395 exit(1);
3396 }
3397
3398 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3399 qemu_opt_get(opts, "mount_tag") == NULL) {
3400 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3401 exit(1);
3402 }
3403 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3404 qemu_opts_id(opts) ?:
3405 qemu_opt_get(opts, "mount_tag"),
3406 1, NULL);
3407 if (!fsdev) {
3408 error_report("duplicate or invalid fsdev id: %s",
3409 qemu_opt_get(opts, "mount_tag"));
3410 exit(1);
3411 }
3412
3413 writeout = qemu_opt_get(opts, "writeout");
3414 if (writeout) {
3415 #ifdef CONFIG_SYNC_FILE_RANGE
3416 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3417 #else
3418 error_report("writeout=immediate not supported "
3419 "on this platform");
3420 exit(1);
3421 #endif
3422 }
3423 qemu_opt_set(fsdev, "fsdriver",
3424 qemu_opt_get(opts, "fsdriver"), &error_abort);
3425 path = qemu_opt_get(opts, "path");
3426 if (path) {
3427 qemu_opt_set(fsdev, "path", path, &error_abort);
3428 }
3429 security_model = qemu_opt_get(opts, "security_model");
3430 if (security_model) {
3431 qemu_opt_set(fsdev, "security_model", security_model,
3432 &error_abort);
3433 }
3434 socket = qemu_opt_get(opts, "socket");
3435 if (socket) {
3436 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3437 }
3438 sock_fd = qemu_opt_get(opts, "sock_fd");
3439 if (sock_fd) {
3440 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3441 }
3442
3443 qemu_opt_set_bool(fsdev, "readonly",
3444 qemu_opt_get_bool(opts, "readonly", 0),
3445 &error_abort);
3446 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3447 &error_abort);
3448 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3449 qemu_opt_set(device, "fsdev",
3450 qemu_opts_id(fsdev), &error_abort);
3451 qemu_opt_set(device, "mount_tag",
3452 qemu_opt_get(opts, "mount_tag"), &error_abort);
3453 break;
3454 }
3455 case QEMU_OPTION_virtfs_synth: {
3456 QemuOpts *fsdev;
3457 QemuOpts *device;
3458
3459 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3460 1, NULL);
3461 if (!fsdev) {
3462 error_report("duplicate option: %s", "virtfs_synth");
3463 exit(1);
3464 }
3465 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3466
3467 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3468 &error_abort);
3469 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3470 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3471 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3472 break;
3473 }
3474 case QEMU_OPTION_serial:
3475 add_device_config(DEV_SERIAL, optarg);
3476 default_serial = 0;
3477 if (strncmp(optarg, "mon:", 4) == 0) {
3478 default_monitor = 0;
3479 }
3480 break;
3481 case QEMU_OPTION_watchdog:
3482 if (watchdog) {
3483 error_report("only one watchdog option may be given");
3484 return 1;
3485 }
3486 watchdog = optarg;
3487 break;
3488 case QEMU_OPTION_watchdog_action:
3489 if (select_watchdog_action(optarg) == -1) {
3490 error_report("unknown -watchdog-action parameter");
3491 exit(1);
3492 }
3493 break;
3494 case QEMU_OPTION_virtiocon:
3495 warn_report("This option is deprecated, "
3496 "use '-device virtconsole' instead");
3497 add_device_config(DEV_VIRTCON, optarg);
3498 default_virtcon = 0;
3499 if (strncmp(optarg, "mon:", 4) == 0) {
3500 default_monitor = 0;
3501 }
3502 break;
3503 case QEMU_OPTION_parallel:
3504 add_device_config(DEV_PARALLEL, optarg);
3505 default_parallel = 0;
3506 if (strncmp(optarg, "mon:", 4) == 0) {
3507 default_monitor = 0;
3508 }
3509 break;
3510 case QEMU_OPTION_debugcon:
3511 add_device_config(DEV_DEBUGCON, optarg);
3512 break;
3513 case QEMU_OPTION_loadvm:
3514 loadvm = optarg;
3515 break;
3516 case QEMU_OPTION_full_screen:
3517 dpy.has_full_screen = true;
3518 dpy.full_screen = true;
3519 break;
3520 case QEMU_OPTION_no_frame:
3521 g_printerr("The -no-frame switch is deprecated, and will be\n"
3522 "removed in a future release.\n");
3523 no_frame = 1;
3524 break;
3525 case QEMU_OPTION_alt_grab:
3526 alt_grab = 1;
3527 break;
3528 case QEMU_OPTION_ctrl_grab:
3529 ctrl_grab = 1;
3530 break;
3531 case QEMU_OPTION_no_quit:
3532 dpy.has_window_close = true;
3533 dpy.window_close = false;
3534 break;
3535 case QEMU_OPTION_sdl:
3536 #ifdef CONFIG_SDL
3537 dpy.type = DISPLAY_TYPE_SDL;
3538 break;
3539 #else
3540 error_report("SDL support is disabled");
3541 exit(1);
3542 #endif
3543 case QEMU_OPTION_pidfile:
3544 pid_file = optarg;
3545 break;
3546 case QEMU_OPTION_win2k_hack:
3547 win2k_install_hack = 1;
3548 break;
3549 case QEMU_OPTION_acpitable:
3550 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3551 optarg, true);
3552 if (!opts) {
3553 exit(1);
3554 }
3555 acpi_table_add(opts, &error_fatal);
3556 break;
3557 case QEMU_OPTION_smbios:
3558 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3559 optarg, false);
3560 if (!opts) {
3561 exit(1);
3562 }
3563 smbios_entry_add(opts, &error_fatal);
3564 break;
3565 case QEMU_OPTION_fwcfg:
3566 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3567 optarg, true);
3568 if (opts == NULL) {
3569 exit(1);
3570 }
3571 break;
3572 case QEMU_OPTION_preconfig:
3573 preconfig_exit_requested = false;
3574 break;
3575 case QEMU_OPTION_enable_kvm:
3576 olist = qemu_find_opts("machine");
3577 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3578 break;
3579 case QEMU_OPTION_enable_hax:
3580 warn_report("Option is deprecated, use '-accel hax' instead");
3581 olist = qemu_find_opts("machine");
3582 qemu_opts_parse_noisily(olist, "accel=hax", false);
3583 break;
3584 case QEMU_OPTION_M:
3585 case QEMU_OPTION_machine:
3586 olist = qemu_find_opts("machine");
3587 opts = qemu_opts_parse_noisily(olist, optarg, true);
3588 if (!opts) {
3589 exit(1);
3590 }
3591 break;
3592 case QEMU_OPTION_no_kvm:
3593 olist = qemu_find_opts("machine");
3594 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3595 break;
3596 case QEMU_OPTION_accel:
3597 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3598 optarg, true);
3599 optarg = qemu_opt_get(accel_opts, "accel");
3600 if (!optarg || is_help_option(optarg)) {
3601 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3602 exit(0);
3603 }
3604 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3605 false, &error_abort);
3606 qemu_opt_set(opts, "accel", optarg, &error_abort);
3607 break;
3608 case QEMU_OPTION_usb:
3609 olist = qemu_find_opts("machine");
3610 qemu_opts_parse_noisily(olist, "usb=on", false);
3611 break;
3612 case QEMU_OPTION_usbdevice:
3613 error_report("'-usbdevice' is deprecated, please use "
3614 "'-device usb-...' instead");
3615 olist = qemu_find_opts("machine");
3616 qemu_opts_parse_noisily(olist, "usb=on", false);
3617 add_device_config(DEV_USB, optarg);
3618 break;
3619 case QEMU_OPTION_device:
3620 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3621 optarg, true)) {
3622 exit(1);
3623 }
3624 break;
3625 case QEMU_OPTION_smp:
3626 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3627 optarg, true)) {
3628 exit(1);
3629 }
3630 break;
3631 case QEMU_OPTION_vnc:
3632 vnc_parse(optarg, &error_fatal);
3633 break;
3634 case QEMU_OPTION_no_acpi:
3635 acpi_enabled = 0;
3636 break;
3637 case QEMU_OPTION_no_hpet:
3638 no_hpet = 1;
3639 break;
3640 case QEMU_OPTION_no_reboot:
3641 no_reboot = 1;
3642 break;
3643 case QEMU_OPTION_no_shutdown:
3644 no_shutdown = 1;
3645 break;
3646 case QEMU_OPTION_show_cursor:
3647 cursor_hide = 0;
3648 break;
3649 case QEMU_OPTION_uuid:
3650 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3651 error_report("failed to parse UUID string: wrong format");
3652 exit(1);
3653 }
3654 qemu_uuid_set = true;
3655 break;
3656 case QEMU_OPTION_option_rom:
3657 if (nb_option_roms >= MAX_OPTION_ROMS) {
3658 error_report("too many option ROMs");
3659 exit(1);
3660 }
3661 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3662 optarg, true);
3663 if (!opts) {
3664 exit(1);
3665 }
3666 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3667 option_rom[nb_option_roms].bootindex =
3668 qemu_opt_get_number(opts, "bootindex", -1);
3669 if (!option_rom[nb_option_roms].name) {
3670 error_report("Option ROM file is not specified");
3671 exit(1);
3672 }
3673 nb_option_roms++;
3674 break;
3675 case QEMU_OPTION_semihosting:
3676 semihosting.enabled = true;
3677 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3678 break;
3679 case QEMU_OPTION_semihosting_config:
3680 semihosting.enabled = true;
3681 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3682 optarg, false);
3683 if (opts != NULL) {
3684 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3685 true);
3686 const char *target = qemu_opt_get(opts, "target");
3687 if (target != NULL) {
3688 if (strcmp("native", target) == 0) {
3689 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3690 } else if (strcmp("gdb", target) == 0) {
3691 semihosting.target = SEMIHOSTING_TARGET_GDB;
3692 } else if (strcmp("auto", target) == 0) {
3693 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3694 } else {
3695 error_report("unsupported semihosting-config %s",
3696 optarg);
3697 exit(1);
3698 }
3699 } else {
3700 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3701 }
3702 /* Set semihosting argument count and vector */
3703 qemu_opt_foreach(opts, add_semihosting_arg,
3704 &semihosting, NULL);
3705 } else {
3706 error_report("unsupported semihosting-config %s", optarg);
3707 exit(1);
3708 }
3709 break;
3710 case QEMU_OPTION_name:
3711 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3712 optarg, true);
3713 if (!opts) {
3714 exit(1);
3715 }
3716 break;
3717 case QEMU_OPTION_prom_env:
3718 if (nb_prom_envs >= MAX_PROM_ENVS) {
3719 error_report("too many prom variables");
3720 exit(1);
3721 }
3722 prom_envs[nb_prom_envs] = optarg;
3723 nb_prom_envs++;
3724 break;
3725 case QEMU_OPTION_old_param:
3726 old_param = 1;
3727 break;
3728 case QEMU_OPTION_clock:
3729 /* Clock options no longer exist. Keep this option for
3730 * backward compatibility.
3731 */
3732 warn_report("This option is ignored and will be removed soon");
3733 break;
3734 case QEMU_OPTION_rtc:
3735 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3736 false);
3737 if (!opts) {
3738 exit(1);
3739 }
3740 configure_rtc(opts);
3741 break;
3742 case QEMU_OPTION_tb_size:
3743 #ifndef CONFIG_TCG
3744 error_report("TCG is disabled");
3745 exit(1);
3746 #endif
3747 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3748 error_report("Invalid argument to -tb-size");
3749 exit(1);
3750 }
3751 break;
3752 case QEMU_OPTION_icount:
3753 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3754 optarg, true);
3755 if (!icount_opts) {
3756 exit(1);
3757 }
3758 break;
3759 case QEMU_OPTION_incoming:
3760 if (!incoming) {
3761 runstate_set(RUN_STATE_INMIGRATE);
3762 }
3763 incoming = optarg;
3764 break;
3765 case QEMU_OPTION_only_migratable:
3766 /*
3767 * TODO: we can remove this option one day, and we
3768 * should all use:
3769 *
3770 * "-global migration.only-migratable=true"
3771 */
3772 qemu_global_option("migration.only-migratable=true");
3773 break;
3774 case QEMU_OPTION_nodefaults:
3775 has_defaults = 0;
3776 break;
3777 case QEMU_OPTION_xen_domid:
3778 if (!(xen_available())) {
3779 error_report("Option not supported for this target");
3780 exit(1);
3781 }
3782 xen_domid = atoi(optarg);
3783 break;
3784 case QEMU_OPTION_xen_create:
3785 if (!(xen_available())) {
3786 error_report("Option not supported for this target");
3787 exit(1);
3788 }
3789 xen_mode = XEN_CREATE;
3790 break;
3791 case QEMU_OPTION_xen_attach:
3792 if (!(xen_available())) {
3793 error_report("Option not supported for this target");
3794 exit(1);
3795 }
3796 xen_mode = XEN_ATTACH;
3797 break;
3798 case QEMU_OPTION_xen_domid_restrict:
3799 if (!(xen_available())) {
3800 error_report("Option not supported for this target");
3801 exit(1);
3802 }
3803 xen_domid_restrict = true;
3804 break;
3805 case QEMU_OPTION_trace:
3806 g_free(trace_file);
3807 trace_file = trace_opt_parse(optarg);
3808 break;
3809 case QEMU_OPTION_readconfig:
3810 {
3811 int ret = qemu_read_config_file(optarg);
3812 if (ret < 0) {
3813 error_report("read config %s: %s", optarg,
3814 strerror(-ret));
3815 exit(1);
3816 }
3817 break;
3818 }
3819 case QEMU_OPTION_spice:
3820 olist = qemu_find_opts("spice");
3821 if (!olist) {
3822 error_report("spice support is disabled");
3823 exit(1);
3824 }
3825 opts = qemu_opts_parse_noisily(olist, optarg, false);
3826 if (!opts) {
3827 exit(1);
3828 }
3829 display_remote++;
3830 break;
3831 case QEMU_OPTION_writeconfig:
3832 {
3833 FILE *fp;
3834 if (strcmp(optarg, "-") == 0) {
3835 fp = stdout;
3836 } else {
3837 fp = fopen(optarg, "w");
3838 if (fp == NULL) {
3839 error_report("open %s: %s", optarg,
3840 strerror(errno));
3841 exit(1);
3842 }
3843 }
3844 qemu_config_write(fp);
3845 if (fp != stdout) {
3846 fclose(fp);
3847 }
3848 break;
3849 }
3850 case QEMU_OPTION_qtest:
3851 qtest_chrdev = optarg;
3852 break;
3853 case QEMU_OPTION_qtest_log:
3854 qtest_log = optarg;
3855 break;
3856 case QEMU_OPTION_sandbox:
3857 #ifdef CONFIG_SECCOMP
3858 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3859 optarg, true);
3860 if (!opts) {
3861 exit(1);
3862 }
3863 #else
3864 error_report("-sandbox support is not enabled "
3865 "in this QEMU binary");
3866 exit(1);
3867 #endif
3868 break;
3869 case QEMU_OPTION_add_fd:
3870 #ifndef _WIN32
3871 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3872 optarg, false);
3873 if (!opts) {
3874 exit(1);
3875 }
3876 #else
3877 error_report("File descriptor passing is disabled on this "
3878 "platform");
3879 exit(1);
3880 #endif
3881 break;
3882 case QEMU_OPTION_object:
3883 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
3884 optarg, true);
3885 if (!opts) {
3886 exit(1);
3887 }
3888 break;
3889 case QEMU_OPTION_realtime:
3890 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3891 optarg, false);
3892 if (!opts) {
3893 exit(1);
3894 }
3895 /* Don't override the -overcommit option if set */
3896 enable_mlock = enable_mlock ||
3897 qemu_opt_get_bool(opts, "mlock", true);
3898 break;
3899 case QEMU_OPTION_overcommit:
3900 opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3901 optarg, false);
3902 if (!opts) {
3903 exit(1);
3904 }
3905 /* Don't override the -realtime option if set */
3906 enable_mlock = enable_mlock ||
3907 qemu_opt_get_bool(opts, "mem-lock", false);
3908 enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
3909 break;
3910 case QEMU_OPTION_msg:
3911 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
3912 false);
3913 if (!opts) {
3914 exit(1);
3915 }
3916 configure_msg(opts);
3917 break;
3918 case QEMU_OPTION_dump_vmstate:
3919 if (vmstate_dump_file) {
3920 error_report("only one '-dump-vmstate' "
3921 "option may be given");
3922 exit(1);
3923 }
3924 vmstate_dump_file = fopen(optarg, "w");
3925 if (vmstate_dump_file == NULL) {
3926 error_report("open %s: %s", optarg, strerror(errno));
3927 exit(1);
3928 }
3929 break;
3930 case QEMU_OPTION_enable_sync_profile:
3931 qsp_enable();
3932 break;
3933 case QEMU_OPTION_nouserconfig:
3934 /* Nothing to be parsed here. Especially, do not error out below. */
3935 break;
3936 default:
3937 if (os_parse_cmd_args(popt->index, optarg)) {
3938 error_report("Option not supported in this build");
3939 exit(1);
3940 }
3941 }
3942 }
3943 }
3944 /*
3945 * Clear error location left behind by the loop.
3946 * Best done right after the loop. Do not insert code here!
3947 */
3948 loc_set_none();
3949
3950 replay_configure(icount_opts);
3951
3952 if (incoming && !preconfig_exit_requested) {
3953 error_report("'preconfig' and 'incoming' options are "
3954 "mutually exclusive");
3955 exit(EXIT_FAILURE);
3956 }
3957
3958 machine_class = select_machine();
3959
3960 set_memory_options(&ram_slots, &maxram_size, machine_class);
3961
3962 os_daemonize();
3963 rcu_disable_atfork();
3964
3965 if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
3966 error_reportf_err(err, "cannot create PID file: ");
3967 exit(1);
3968 }
3969
3970 qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
3971 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
3972
3973 if (qemu_init_main_loop(&main_loop_err)) {
3974 error_report_err(main_loop_err);
3975 exit(1);
3976 }
3977
3978 #ifdef CONFIG_SECCOMP
3979 olist = qemu_find_opts_err("sandbox", NULL);
3980 if (olist && qemu_opts_foreach(olist, parse_sandbox, NULL, NULL)) {
3981 exit(1);
3982 }
3983 #endif
3984
3985 if (qemu_opts_foreach(qemu_find_opts("name"),
3986 parse_name, NULL, NULL)) {
3987 exit(1);
3988 }
3989
3990 #ifndef _WIN32
3991 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3992 parse_add_fd, NULL, NULL)) {
3993 exit(1);
3994 }
3995
3996 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
3997 cleanup_add_fd, NULL, NULL)) {
3998 exit(1);
3999 }
4000 #endif
4001
4002 current_machine = MACHINE(object_new(object_class_get_name(
4003 OBJECT_CLASS(machine_class))));
4004 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4005 exit(0);
4006 }
4007 object_property_add_child(object_get_root(), "machine",
4008 OBJECT(current_machine), &error_abort);
4009
4010 if (machine_class->minimum_page_bits) {
4011 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4012 /* This would be a board error: specifying a minimum smaller than
4013 * a target's compile-time fixed setting.
4014 */
4015 g_assert_not_reached();
4016 }
4017 }
4018
4019 cpu_exec_init_all();
4020
4021 if (machine_class->hw_version) {
4022 qemu_set_hw_version(machine_class->hw_version);
4023 }
4024
4025 if (cpu_model && is_help_option(cpu_model)) {
4026 list_cpus(stdout, &fprintf, cpu_model);
4027 exit(0);
4028 }
4029
4030 if (!trace_init_backends()) {
4031 exit(1);
4032 }
4033 trace_init_file(trace_file);
4034
4035 /* Open the logfile at this point and set the log mask if necessary.
4036 */
4037 if (log_file) {
4038 qemu_set_log_filename(log_file, &error_fatal);
4039 }
4040
4041 if (log_mask) {
4042 int mask;
4043 mask = qemu_str_to_log_mask(log_mask);
4044 if (!mask) {
4045 qemu_print_log_usage(stdout);
4046 exit(1);
4047 }
4048 qemu_set_log(mask);
4049 } else {
4050 qemu_set_log(0);
4051 }
4052
4053 /* add configured firmware directories */
4054 dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
4055 for (i = 0; dirs[i] != NULL; i++) {
4056 qemu_add_data_dir(dirs[i]);
4057 }
4058 g_strfreev(dirs);
4059
4060 /* try to find datadir relative to the executable path */
4061 dir = os_find_datadir();
4062 qemu_add_data_dir(dir);
4063 g_free(dir);
4064
4065 /* add the datadir specified when building */
4066 qemu_add_data_dir(CONFIG_QEMU_DATADIR);
4067
4068 /* -L help lists the data directories and exits. */
4069 if (list_data_dirs) {
4070 for (i = 0; i < data_dir_idx; i++) {
4071 printf("%s\n", data_dir[i]);
4072 }
4073 exit(0);
4074 }
4075
4076 /* machine_class: default to UP */
4077 machine_class->max_cpus = machine_class->max_cpus ?: 1;
4078 machine_class->min_cpus = machine_class->min_cpus ?: 1;
4079 machine_class->default_cpus = machine_class->default_cpus ?: 1;
4080
4081 /* default to machine_class->default_cpus */
4082 smp_cpus = machine_class->default_cpus;
4083 max_cpus = machine_class->default_cpus;
4084
4085 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4086
4087 /* sanity-check smp_cpus and max_cpus against machine_class */
4088 if (smp_cpus < machine_class->min_cpus) {
4089 error_report("Invalid SMP CPUs %d. The min CPUs "
4090 "supported by machine '%s' is %d", smp_cpus,
4091 machine_class->name, machine_class->min_cpus);
4092 exit(1);
4093 }
4094 if (max_cpus > machine_class->max_cpus) {
4095 error_report("Invalid SMP CPUs %d. The max CPUs "
4096 "supported by machine '%s' is %d", max_cpus,
4097 machine_class->name, machine_class->max_cpus);
4098 exit(1);
4099 }
4100
4101 /*
4102 * Get the default machine options from the machine if it is not already
4103 * specified either by the configuration file or by the command line.
4104 */
4105 if (machine_class->default_machine_opts) {
4106 qemu_opts_set_defaults(qemu_find_opts("machine"),
4107 machine_class->default_machine_opts, 0);
4108 }
4109
4110 qemu_opts_foreach(qemu_find_opts("device"),
4111 default_driver_check, NULL, NULL);
4112 qemu_opts_foreach(qemu_find_opts("global"),
4113 default_driver_check, NULL, NULL);
4114
4115 if (!vga_model && !default_vga) {
4116 vga_interface_type = VGA_DEVICE;
4117 }
4118 if (!has_defaults || machine_class->no_serial) {
4119 default_serial = 0;
4120 }
4121 if (!has_defaults || machine_class->no_parallel) {
4122 default_parallel = 0;
4123 }
4124 if (!has_defaults || !machine_class->use_virtcon) {
4125 default_virtcon = 0;
4126 }
4127 if (!has_defaults || machine_class->no_floppy) {
4128 default_floppy = 0;
4129 }
4130 if (!has_defaults || machine_class->no_cdrom) {
4131 default_cdrom = 0;
4132 }
4133 if (!has_defaults || machine_class->no_sdcard) {
4134 default_sdcard = 0;
4135 }
4136 if (!has_defaults) {
4137 default_monitor = 0;
4138 default_net = 0;
4139 default_vga = 0;
4140 }
4141
4142 if (is_daemonized()) {
4143 if (!preconfig_exit_requested) {
4144 error_report("'preconfig' and 'daemonize' options are "
4145 "mutually exclusive");
4146 exit(EXIT_FAILURE);
4147 }
4148
4149 /* According to documentation and historically, -nographic redirects
4150 * serial port, parallel port and monitor to stdio, which does not work
4151 * with -daemonize. We can redirect these to null instead, but since
4152 * -nographic is legacy, let's just error out.
4153 * We disallow -nographic only if all other ports are not redirected
4154 * explicitly, to not break existing legacy setups which uses
4155 * -nographic _and_ redirects all ports explicitly - this is valid
4156 * usage, -nographic is just a no-op in this case.
4157 */
4158 if (nographic
4159 && (default_parallel || default_serial
4160 || default_monitor || default_virtcon)) {
4161 error_report("-nographic cannot be used with -daemonize");
4162 exit(1);
4163 }
4164 #ifdef CONFIG_CURSES
4165 if (dpy.type == DISPLAY_TYPE_CURSES) {
4166 error_report("curses display cannot be used with -daemonize");
4167 exit(1);
4168 }
4169 #endif
4170 }
4171
4172 if (nographic) {
4173 if (default_parallel)
4174 add_device_config(DEV_PARALLEL, "null");
4175 if (default_serial && default_monitor) {
4176 add_device_config(DEV_SERIAL, "mon:stdio");
4177 } else if (default_virtcon && default_monitor) {
4178 add_device_config(DEV_VIRTCON, "mon:stdio");
4179 } else {
4180 if (default_serial)
4181 add_device_config(DEV_SERIAL, "stdio");
4182 if (default_virtcon)
4183 add_device_config(DEV_VIRTCON, "stdio");
4184 if (default_monitor)
4185 monitor_parse("stdio", "readline", false);
4186 }
4187 } else {
4188 if (default_serial)
4189 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4190 if (default_parallel)
4191 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4192 if (default_monitor)
4193 monitor_parse("vc:80Cx24C", "readline", false);
4194 if (default_virtcon)
4195 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4196 }
4197
4198 #if defined(CONFIG_VNC)
4199 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4200 display_remote++;
4201 }
4202 #endif
4203 if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
4204 if (!qemu_display_find_default(&dpy)) {
4205 dpy.type = DISPLAY_TYPE_NONE;
4206 #if defined(CONFIG_VNC)
4207 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4208 #endif
4209 }
4210 }
4211 if (dpy.type == DISPLAY_TYPE_DEFAULT) {
4212 dpy.type = DISPLAY_TYPE_NONE;
4213 }
4214
4215 if ((no_frame || alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
4216 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4217 "for SDL, ignoring option");
4218 }
4219 if (dpy.has_window_close &&
4220 (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
4221 error_report("-no-quit is only valid for GTK and SDL, "
4222 "ignoring option");
4223 }
4224
4225 qemu_display_early_init(&dpy);
4226 qemu_console_early_init();
4227
4228 if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
4229 #if defined(CONFIG_OPENGL)
4230 error_report("OpenGL is not supported by the display");
4231 #else
4232 error_report("OpenGL support is disabled");
4233 #endif
4234 exit(1);
4235 }
4236
4237 page_size_init();
4238 socket_init();
4239
4240 if (qemu_opts_foreach(qemu_find_opts("object"),
4241 user_creatable_add_opts_foreach,
4242 object_create_initial, NULL)) {
4243 exit(1);
4244 }
4245
4246 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4247 chardev_init_func, NULL, NULL)) {
4248 exit(1);
4249 }
4250
4251 #ifdef CONFIG_VIRTFS
4252 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4253 fsdev_init_func, NULL, NULL)) {
4254 exit(1);
4255 }
4256 #endif
4257
4258 if (qemu_opts_foreach(qemu_find_opts("device"),
4259 device_help_func, NULL, NULL)) {
4260 exit(0);
4261 }
4262
4263 machine_opts = qemu_get_machine_opts();
4264 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4265 NULL)) {
4266 object_unref(OBJECT(current_machine));
4267 exit(1);
4268 }
4269
4270 configure_accelerator(current_machine);
4271
4272 if (!qtest_enabled() && machine_class->deprecation_reason) {
4273 error_report("Machine type '%s' is deprecated: %s",
4274 machine_class->name, machine_class->deprecation_reason);
4275 }
4276
4277 /*
4278 * Register all the global properties, including accel properties,
4279 * machine properties, and user-specified ones.
4280 */
4281 register_global_properties(current_machine);
4282
4283 /*
4284 * Migration object can only be created after global properties
4285 * are applied correctly.
4286 */
4287 migration_object_init();
4288
4289 if (qtest_chrdev) {
4290 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4291 }
4292
4293 machine_opts = qemu_get_machine_opts();
4294 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4295 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4296 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4297 bios_name = qemu_opt_get(machine_opts, "firmware");
4298
4299 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4300 if (opts) {
4301 boot_order = qemu_opt_get(opts, "order");
4302 if (boot_order) {
4303 validate_bootdevices(boot_order, &error_fatal);
4304 }
4305
4306 boot_once = qemu_opt_get(opts, "once");
4307 if (boot_once) {
4308 validate_bootdevices(boot_once, &error_fatal);
4309 }
4310
4311 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4312 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4313 }
4314
4315 if (!boot_order) {
4316 boot_order = machine_class->default_boot_order;
4317 }
4318
4319 if (!kernel_cmdline) {
4320 kernel_cmdline = "";
4321 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4322 }
4323
4324 linux_boot = (kernel_filename != NULL);
4325
4326 if (!linux_boot && *kernel_cmdline != '\0') {
4327 error_report("-append only allowed with -kernel option");
4328 exit(1);
4329 }
4330
4331 if (!linux_boot && initrd_filename != NULL) {
4332 error_report("-initrd only allowed with -kernel option");
4333 exit(1);
4334 }
4335
4336 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4337 /* fall back to the -kernel/-append */
4338 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4339 }
4340
4341 os_set_line_buffering();
4342
4343 /* spice needs the timers to be initialized by this point */
4344 qemu_spice_init();
4345
4346 cpu_ticks_init();
4347 if (icount_opts) {
4348 if (!tcg_enabled()) {
4349 error_report("-icount is not allowed with hardware virtualization");
4350 exit(1);
4351 }
4352 configure_icount(icount_opts, &error_abort);
4353 qemu_opts_del(icount_opts);
4354 }
4355
4356 if (tcg_enabled()) {
4357 qemu_tcg_configure(accel_opts, &error_fatal);
4358 }
4359
4360 if (default_net) {
4361 QemuOptsList *net = qemu_find_opts("net");
4362 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4363 #ifdef CONFIG_SLIRP
4364 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4365 #endif
4366 }
4367
4368 colo_info_init();
4369
4370 if (net_init_clients(&err) < 0) {
4371 error_report_err(err);
4372 exit(1);
4373 }
4374
4375 if (qemu_opts_foreach(qemu_find_opts("object"),
4376 user_creatable_add_opts_foreach,
4377 object_create_delayed, NULL)) {
4378 exit(1);
4379 }
4380
4381 if (tpm_init() < 0) {
4382 exit(1);
4383 }
4384
4385 /* init the bluetooth world */
4386 if (foreach_device_config(DEV_BT, bt_parse))
4387 exit(1);
4388
4389 if (!xen_enabled()) {
4390 /* On 32-bit hosts, QEMU is limited by virtual address space */
4391 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4392 error_report("at most 2047 MB RAM can be simulated");
4393 exit(1);
4394 }
4395 }
4396
4397 blk_mig_init();
4398 ram_mig_init();
4399 dirty_bitmap_mig_init();
4400
4401 /* If the currently selected machine wishes to override the units-per-bus
4402 * property of its default HBA interface type, do so now. */
4403 if (machine_class->units_per_default_bus) {
4404 override_max_devs(machine_class->block_default_type,
4405 machine_class->units_per_default_bus);
4406 }
4407
4408 /* open the virtual block devices */
4409 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4410 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4411
4412 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4413 loc_push_restore(&bdo->loc);
4414 qmp_blockdev_add(bdo->bdo, &error_fatal);
4415 loc_pop(&bdo->loc);
4416 qapi_free_BlockdevOptions(bdo->bdo);
4417 g_free(bdo);
4418 }
4419 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4420 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4421 NULL, NULL);
4422 }
4423 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4424 &machine_class->block_default_type, NULL)) {
4425 exit(1);
4426 }
4427
4428 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4429 CDROM_OPTS);
4430 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4431 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4432
4433 if (qemu_opts_foreach(qemu_find_opts("mon"),
4434 mon_init_func, NULL, NULL)) {
4435 exit(1);
4436 }
4437
4438 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4439 exit(1);
4440 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4441 exit(1);
4442 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4443 exit(1);
4444 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4445 exit(1);
4446
4447 /* If no default VGA is requested, the default is "none". */
4448 if (default_vga) {
4449 if (machine_class->default_display) {
4450 vga_model = machine_class->default_display;
4451 } else if (vga_interface_available(VGA_CIRRUS)) {
4452 vga_model = "cirrus";
4453 } else if (vga_interface_available(VGA_STD)) {
4454 vga_model = "std";
4455 }
4456 }
4457 if (vga_model) {
4458 select_vgahw(vga_model);
4459 }
4460
4461 if (watchdog) {
4462 i = select_watchdog(watchdog);
4463 if (i > 0)
4464 exit (i == 1 ? 1 : 0);
4465 }
4466
4467 /* This checkpoint is required by replay to separate prior clock
4468 reading from the other reads, because timer polling functions query
4469 clock values from the log. */
4470 replay_checkpoint(CHECKPOINT_INIT);
4471 qdev_machine_init();
4472
4473 current_machine->ram_size = ram_size;
4474 current_machine->maxram_size = maxram_size;
4475 current_machine->ram_slots = ram_slots;
4476 current_machine->boot_order = boot_order;
4477
4478 /* parse features once if machine provides default cpu_type */
4479 current_machine->cpu_type = machine_class->default_cpu_type;
4480 if (cpu_model) {
4481 current_machine->cpu_type = parse_cpu_model(cpu_model);
4482 }
4483 parse_numa_opts(current_machine);
4484
4485 /* do monitor/qmp handling at preconfig state if requested */
4486 main_loop();
4487
4488 /* from here on runstate is RUN_STATE_PRELAUNCH */
4489 machine_run_board_init(current_machine);
4490
4491 realtime_init();
4492
4493 soundhw_init();
4494
4495 if (hax_enabled()) {
4496 hax_sync_vcpus();
4497 }
4498
4499 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4500 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4501 exit(1);
4502 }
4503
4504 /* init USB devices */
4505 if (machine_usb(current_machine)) {
4506 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4507 exit(1);
4508 }
4509
4510 /* Check if IGD GFX passthrough. */
4511 igd_gfx_passthru();
4512
4513 /* init generic devices */
4514 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4515 if (qemu_opts_foreach(qemu_find_opts("device"),
4516 device_init_func, NULL, NULL)) {
4517 exit(1);
4518 }
4519
4520 cpu_synchronize_all_post_init();
4521
4522 rom_reset_order_override();
4523
4524 /* Did we create any drives that we failed to create a device for? */
4525 drive_check_orphaned();
4526
4527 /* Don't warn about the default network setup that you get if
4528 * no command line -net or -netdev options are specified. There
4529 * are two cases that we would otherwise complain about:
4530 * (1) board doesn't support a NIC but the implicit "-net nic"
4531 * requested one
4532 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4533 * sets up a nic that isn't connected to anything.
4534 */
4535 if (!default_net && (!qtest_enabled() || has_defaults)) {
4536 net_check_clients();
4537 }
4538
4539 if (boot_once) {
4540 qemu_boot_set(boot_once, &error_fatal);
4541 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4542 }
4543
4544 /* init local displays */
4545 ds = init_displaystate();
4546 qemu_display_init(ds, &dpy);
4547
4548 /* must be after terminal init, SDL library changes signal handlers */
4549 os_setup_signal_handling();
4550
4551 /* init remote displays */
4552 #ifdef CONFIG_VNC
4553 qemu_opts_foreach(qemu_find_opts("vnc"),
4554 vnc_init_func, NULL, NULL);
4555 #endif
4556
4557 if (using_spice) {
4558 qemu_spice_display_init();
4559 }
4560
4561 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4562 exit(1);
4563 }
4564
4565 qdev_machine_creation_done();
4566
4567 /* TODO: once all bus devices are qdevified, this should be done
4568 * when bus is created by qdev.c */
4569 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4570 qemu_run_machine_init_done_notifiers();
4571
4572 if (rom_check_and_register_reset() != 0) {
4573 error_report("rom check and register reset failed");
4574 exit(1);
4575 }
4576
4577 replay_start();
4578
4579 /* This checkpoint is required by replay to separate prior clock
4580 reading from the other reads, because timer polling functions query
4581 clock values from the log. */
4582 replay_checkpoint(CHECKPOINT_RESET);
4583 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4584 register_global_state();
4585 if (loadvm) {
4586 Error *local_err = NULL;
4587 if (load_snapshot(loadvm, &local_err) < 0) {
4588 error_report_err(local_err);
4589 autostart = 0;
4590 exit(1);
4591 }
4592 }
4593 if (replay_mode != REPLAY_MODE_NONE) {
4594 replay_vmstate_init();
4595 }
4596
4597 qdev_prop_check_globals();
4598 if (vmstate_dump_file) {
4599 /* dump and exit */
4600 dump_vmstate_json_to_file(vmstate_dump_file);
4601 return 0;
4602 }
4603
4604 if (incoming) {
4605 Error *local_err = NULL;
4606 qemu_start_incoming_migration(incoming, &local_err);
4607 if (local_err) {
4608 error_reportf_err(local_err, "-incoming %s: ", incoming);
4609 exit(1);
4610 }
4611 } else if (autostart) {
4612 vm_start();
4613 }
4614
4615 accel_setup_post(current_machine);
4616 os_setup_post();
4617
4618 main_loop();
4619
4620 gdbserver_cleanup();
4621
4622 /* No more vcpu or device emulation activity beyond this point */
4623 vm_shutdown();
4624
4625 job_cancel_sync_all();
4626 bdrv_close_all();
4627
4628 res_free();
4629
4630 /* vhost-user must be cleaned up before chardevs. */
4631 tpm_cleanup();
4632 net_cleanup();
4633 audio_cleanup();
4634 monitor_cleanup();
4635 qemu_chr_cleanup();
4636 user_creatable_cleanup();
4637 migration_object_finalize();
4638 /* TODO: unref root container, check all devices are ok */
4639
4640 return 0;
4641 }
Eric Blake's pending patches to qemu