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seccomp: add obsolete argument to command line
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/scsi/scsi.h"
66 #include "hw/bt.h"
67 #include "sysemu/watchdog.h"
68 #include "hw/smbios/smbios.h"
69 #include "hw/acpi/acpi.h"
70 #include "hw/xen/xen.h"
71 #include "hw/qdev.h"
72 #include "hw/loader.h"
73 #include "monitor/qdev.h"
74 #include "sysemu/bt.h"
75 #include "net/net.h"
76 #include "net/slirp.h"
77 #include "monitor/monitor.h"
78 #include "ui/console.h"
79 #include "ui/input.h"
80 #include "sysemu/sysemu.h"
81 #include "sysemu/numa.h"
82 #include "exec/gdbstub.h"
83 #include "qemu/timer.h"
84 #include "chardev/char.h"
85 #include "qemu/bitmap.h"
86 #include "qemu/log.h"
87 #include "sysemu/blockdev.h"
88 #include "hw/block/block.h"
89 #include "migration/misc.h"
90 #include "migration/snapshot.h"
91 #include "migration/global_state.h"
92 #include "sysemu/tpm.h"
93 #include "sysemu/dma.h"
94 #include "hw/audio/soundhw.h"
95 #include "audio/audio.h"
96 #include "sysemu/cpus.h"
97 #include "migration/colo.h"
98 #include "sysemu/kvm.h"
99 #include "sysemu/hax.h"
100 #include "qapi/qobject-input-visitor.h"
101 #include "qapi/qobject-input-visitor.h"
102 #include "qapi-visit.h"
103 #include "qapi/qmp/qjson.h"
104 #include "qemu/option.h"
105 #include "qemu/config-file.h"
106 #include "qemu-options.h"
107 #include "qmp-commands.h"
108 #include "qemu/main-loop.h"
109 #ifdef CONFIG_VIRTFS
110 #include "fsdev/qemu-fsdev.h"
111 #endif
112 #include "sysemu/qtest.h"
113
114 #include "disas/disas.h"
115
116
117 #include "slirp/libslirp.h"
118
119 #include "trace-root.h"
120 #include "trace/control.h"
121 #include "qemu/queue.h"
122 #include "sysemu/arch_init.h"
123
124 #include "ui/qemu-spice.h"
125 #include "qapi/string-input-visitor.h"
126 #include "qapi/opts-visitor.h"
127 #include "qom/object_interfaces.h"
128 #include "qapi-event.h"
129 #include "exec/semihost.h"
130 #include "crypto/init.h"
131 #include "sysemu/replay.h"
132 #include "qapi/qmp/qerror.h"
133 #include "sysemu/iothread.h"
134
135 #define MAX_VIRTIO_CONSOLES 1
136 #define MAX_SCLP_CONSOLES 1
137
138 static const char *data_dir[16];
139 static int data_dir_idx;
140 const char *bios_name = NULL;
141 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
142 int request_opengl = -1;
143 int display_opengl;
144 const char* keyboard_layout = NULL;
145 ram_addr_t ram_size;
146 const char *mem_path = NULL;
147 int mem_prealloc = 0; /* force preallocation of physical target memory */
148 bool enable_mlock = false;
149 int nb_nics;
150 NICInfo nd_table[MAX_NICS];
151 int autostart;
152 static int rtc_utc = 1;
153 static int rtc_date_offset = -1; /* -1 means no change */
154 QEMUClockType rtc_clock;
155 int vga_interface_type = VGA_NONE;
156 static int full_screen = 0;
157 static int no_frame = 0;
158 int no_quit = 0;
159 static bool grab_on_hover;
160 Chardev *serial_hds[MAX_SERIAL_PORTS];
161 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
162 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
163 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
164 int win2k_install_hack = 0;
165 int singlestep = 0;
166 int smp_cpus = 1;
167 int max_cpus = 1;
168 int smp_cores = 1;
169 int smp_threads = 1;
170 int acpi_enabled = 1;
171 int no_hpet = 0;
172 int fd_bootchk = 1;
173 static int no_reboot;
174 int no_shutdown = 0;
175 int cursor_hide = 1;
176 int graphic_rotate = 0;
177 const char *watchdog;
178 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
179 int nb_option_roms;
180 int old_param = 0;
181 const char *qemu_name;
182 int alt_grab = 0;
183 int ctrl_grab = 0;
184 unsigned int nb_prom_envs = 0;
185 const char *prom_envs[MAX_PROM_ENVS];
186 int boot_menu;
187 bool boot_strict;
188 uint8_t *boot_splash_filedata;
189 size_t boot_splash_filedata_size;
190 uint8_t qemu_extra_params_fw[2];
191
192 int icount_align_option;
193
194 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
195 * little-endian "wire format" described in the SMBIOS 2.6 specification.
196 */
197 QemuUUID qemu_uuid;
198 bool qemu_uuid_set;
199
200 static NotifierList exit_notifiers =
201 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
202
203 static NotifierList machine_init_done_notifiers =
204 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
205
206 bool xen_allowed;
207 uint32_t xen_domid;
208 enum xen_mode xen_mode = XEN_EMULATE;
209 bool xen_domid_restrict;
210
211 static int has_defaults = 1;
212 static int default_serial = 1;
213 static int default_parallel = 1;
214 static int default_virtcon = 1;
215 static int default_sclp = 1;
216 static int default_monitor = 1;
217 static int default_floppy = 1;
218 static int default_cdrom = 1;
219 static int default_sdcard = 1;
220 static int default_vga = 1;
221 static int default_net = 1;
222
223 static struct {
224 const char *driver;
225 int *flag;
226 } default_list[] = {
227 { .driver = "isa-serial", .flag = &default_serial },
228 { .driver = "isa-parallel", .flag = &default_parallel },
229 { .driver = "isa-fdc", .flag = &default_floppy },
230 { .driver = "floppy", .flag = &default_floppy },
231 { .driver = "ide-cd", .flag = &default_cdrom },
232 { .driver = "ide-hd", .flag = &default_cdrom },
233 { .driver = "ide-drive", .flag = &default_cdrom },
234 { .driver = "scsi-cd", .flag = &default_cdrom },
235 { .driver = "scsi-hd", .flag = &default_cdrom },
236 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
237 { .driver = "virtio-serial", .flag = &default_virtcon },
238 { .driver = "VGA", .flag = &default_vga },
239 { .driver = "isa-vga", .flag = &default_vga },
240 { .driver = "cirrus-vga", .flag = &default_vga },
241 { .driver = "isa-cirrus-vga", .flag = &default_vga },
242 { .driver = "vmware-svga", .flag = &default_vga },
243 { .driver = "qxl-vga", .flag = &default_vga },
244 { .driver = "virtio-vga", .flag = &default_vga },
245 };
246
247 static QemuOptsList qemu_rtc_opts = {
248 .name = "rtc",
249 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
250 .desc = {
251 {
252 .name = "base",
253 .type = QEMU_OPT_STRING,
254 },{
255 .name = "clock",
256 .type = QEMU_OPT_STRING,
257 },{
258 .name = "driftfix",
259 .type = QEMU_OPT_STRING,
260 },
261 { /* end of list */ }
262 },
263 };
264
265 static QemuOptsList qemu_sandbox_opts = {
266 .name = "sandbox",
267 .implied_opt_name = "enable",
268 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
269 .desc = {
270 {
271 .name = "enable",
272 .type = QEMU_OPT_BOOL,
273 },
274 {
275 .name = "obsolete",
276 .type = QEMU_OPT_STRING,
277 },
278 { /* end of list */ }
279 },
280 };
281
282 static QemuOptsList qemu_option_rom_opts = {
283 .name = "option-rom",
284 .implied_opt_name = "romfile",
285 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
286 .desc = {
287 {
288 .name = "bootindex",
289 .type = QEMU_OPT_NUMBER,
290 }, {
291 .name = "romfile",
292 .type = QEMU_OPT_STRING,
293 },
294 { /* end of list */ }
295 },
296 };
297
298 static QemuOptsList qemu_machine_opts = {
299 .name = "machine",
300 .implied_opt_name = "type",
301 .merge_lists = true,
302 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
303 .desc = {
304 /*
305 * no elements => accept any
306 * sanity checking will happen later
307 * when setting machine properties
308 */
309 { }
310 },
311 };
312
313 static QemuOptsList qemu_accel_opts = {
314 .name = "accel",
315 .implied_opt_name = "accel",
316 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
317 .merge_lists = true,
318 .desc = {
319 {
320 .name = "accel",
321 .type = QEMU_OPT_STRING,
322 .help = "Select the type of accelerator",
323 },
324 {
325 .name = "thread",
326 .type = QEMU_OPT_STRING,
327 .help = "Enable/disable multi-threaded TCG",
328 },
329 { /* end of list */ }
330 },
331 };
332
333 static QemuOptsList qemu_boot_opts = {
334 .name = "boot-opts",
335 .implied_opt_name = "order",
336 .merge_lists = true,
337 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
338 .desc = {
339 {
340 .name = "order",
341 .type = QEMU_OPT_STRING,
342 }, {
343 .name = "once",
344 .type = QEMU_OPT_STRING,
345 }, {
346 .name = "menu",
347 .type = QEMU_OPT_BOOL,
348 }, {
349 .name = "splash",
350 .type = QEMU_OPT_STRING,
351 }, {
352 .name = "splash-time",
353 .type = QEMU_OPT_STRING,
354 }, {
355 .name = "reboot-timeout",
356 .type = QEMU_OPT_STRING,
357 }, {
358 .name = "strict",
359 .type = QEMU_OPT_BOOL,
360 },
361 { /*End of list */ }
362 },
363 };
364
365 static QemuOptsList qemu_add_fd_opts = {
366 .name = "add-fd",
367 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
368 .desc = {
369 {
370 .name = "fd",
371 .type = QEMU_OPT_NUMBER,
372 .help = "file descriptor of which a duplicate is added to fd set",
373 },{
374 .name = "set",
375 .type = QEMU_OPT_NUMBER,
376 .help = "ID of the fd set to add fd to",
377 },{
378 .name = "opaque",
379 .type = QEMU_OPT_STRING,
380 .help = "free-form string used to describe fd",
381 },
382 { /* end of list */ }
383 },
384 };
385
386 static QemuOptsList qemu_object_opts = {
387 .name = "object",
388 .implied_opt_name = "qom-type",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
390 .desc = {
391 { }
392 },
393 };
394
395 static QemuOptsList qemu_tpmdev_opts = {
396 .name = "tpmdev",
397 .implied_opt_name = "type",
398 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
399 .desc = {
400 /* options are defined in the TPM backends */
401 { /* end of list */ }
402 },
403 };
404
405 static QemuOptsList qemu_realtime_opts = {
406 .name = "realtime",
407 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
408 .desc = {
409 {
410 .name = "mlock",
411 .type = QEMU_OPT_BOOL,
412 },
413 { /* end of list */ }
414 },
415 };
416
417 static QemuOptsList qemu_msg_opts = {
418 .name = "msg",
419 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
420 .desc = {
421 {
422 .name = "timestamp",
423 .type = QEMU_OPT_BOOL,
424 },
425 { /* end of list */ }
426 },
427 };
428
429 static QemuOptsList qemu_name_opts = {
430 .name = "name",
431 .implied_opt_name = "guest",
432 .merge_lists = true,
433 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
434 .desc = {
435 {
436 .name = "guest",
437 .type = QEMU_OPT_STRING,
438 .help = "Sets the name of the guest.\n"
439 "This name will be displayed in the SDL window caption.\n"
440 "The name will also be used for the VNC server",
441 }, {
442 .name = "process",
443 .type = QEMU_OPT_STRING,
444 .help = "Sets the name of the QEMU process, as shown in top etc",
445 }, {
446 .name = "debug-threads",
447 .type = QEMU_OPT_BOOL,
448 .help = "When enabled, name the individual threads; defaults off.\n"
449 "NOTE: The thread names are for debugging and not a\n"
450 "stable API.",
451 },
452 { /* End of list */ }
453 },
454 };
455
456 static QemuOptsList qemu_mem_opts = {
457 .name = "memory",
458 .implied_opt_name = "size",
459 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
460 .merge_lists = true,
461 .desc = {
462 {
463 .name = "size",
464 .type = QEMU_OPT_SIZE,
465 },
466 {
467 .name = "slots",
468 .type = QEMU_OPT_NUMBER,
469 },
470 {
471 .name = "maxmem",
472 .type = QEMU_OPT_SIZE,
473 },
474 { /* end of list */ }
475 },
476 };
477
478 static QemuOptsList qemu_icount_opts = {
479 .name = "icount",
480 .implied_opt_name = "shift",
481 .merge_lists = true,
482 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
483 .desc = {
484 {
485 .name = "shift",
486 .type = QEMU_OPT_STRING,
487 }, {
488 .name = "align",
489 .type = QEMU_OPT_BOOL,
490 }, {
491 .name = "sleep",
492 .type = QEMU_OPT_BOOL,
493 }, {
494 .name = "rr",
495 .type = QEMU_OPT_STRING,
496 }, {
497 .name = "rrfile",
498 .type = QEMU_OPT_STRING,
499 }, {
500 .name = "rrsnapshot",
501 .type = QEMU_OPT_STRING,
502 },
503 { /* end of list */ }
504 },
505 };
506
507 static QemuOptsList qemu_semihosting_config_opts = {
508 .name = "semihosting-config",
509 .implied_opt_name = "enable",
510 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
511 .desc = {
512 {
513 .name = "enable",
514 .type = QEMU_OPT_BOOL,
515 }, {
516 .name = "target",
517 .type = QEMU_OPT_STRING,
518 }, {
519 .name = "arg",
520 .type = QEMU_OPT_STRING,
521 },
522 { /* end of list */ }
523 },
524 };
525
526 static QemuOptsList qemu_fw_cfg_opts = {
527 .name = "fw_cfg",
528 .implied_opt_name = "name",
529 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
530 .desc = {
531 {
532 .name = "name",
533 .type = QEMU_OPT_STRING,
534 .help = "Sets the fw_cfg name of the blob to be inserted",
535 }, {
536 .name = "file",
537 .type = QEMU_OPT_STRING,
538 .help = "Sets the name of the file from which\n"
539 "the fw_cfg blob will be loaded",
540 }, {
541 .name = "string",
542 .type = QEMU_OPT_STRING,
543 .help = "Sets content of the blob to be inserted from a string",
544 },
545 { /* end of list */ }
546 },
547 };
548
549 /**
550 * Get machine options
551 *
552 * Returns: machine options (never null).
553 */
554 QemuOpts *qemu_get_machine_opts(void)
555 {
556 return qemu_find_opts_singleton("machine");
557 }
558
559 const char *qemu_get_vm_name(void)
560 {
561 return qemu_name;
562 }
563
564 static void res_free(void)
565 {
566 g_free(boot_splash_filedata);
567 boot_splash_filedata = NULL;
568 }
569
570 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
571 {
572 const char *driver = qemu_opt_get(opts, "driver");
573 int i;
574
575 if (!driver)
576 return 0;
577 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
578 if (strcmp(default_list[i].driver, driver) != 0)
579 continue;
580 *(default_list[i].flag) = 0;
581 }
582 return 0;
583 }
584
585 /***********************************************************/
586 /* QEMU state */
587
588 static RunState current_run_state = RUN_STATE_PRELAUNCH;
589
590 /* We use RUN_STATE__MAX but any invalid value will do */
591 static RunState vmstop_requested = RUN_STATE__MAX;
592 static QemuMutex vmstop_lock;
593
594 typedef struct {
595 RunState from;
596 RunState to;
597 } RunStateTransition;
598
599 static const RunStateTransition runstate_transitions_def[] = {
600 /* from -> to */
601 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
602 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
608 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
611 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
612 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
613 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
615 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
616 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
617
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
623 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
625
626 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
627 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
630 { RUN_STATE_PAUSED, RUN_STATE_COLO},
631
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
635
636 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
637 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
639
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
644 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
645
646 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
647 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
648
649 { RUN_STATE_COLO, RUN_STATE_RUNNING },
650
651 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
652 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
653 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
654 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
655 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
656 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
657 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
658 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
659 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
660 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
661 { RUN_STATE_RUNNING, RUN_STATE_COLO},
662
663 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
664
665 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
666 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
668
669 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
670 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
671 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
672 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
673 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
674 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
675
676 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
677 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
678 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
679 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
680
681 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
683 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
684
685 { RUN_STATE__MAX, RUN_STATE__MAX },
686 };
687
688 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
689
690 bool runstate_check(RunState state)
691 {
692 return current_run_state == state;
693 }
694
695 bool runstate_store(char *str, size_t size)
696 {
697 const char *state = RunState_str(current_run_state);
698 size_t len = strlen(state) + 1;
699
700 if (len > size) {
701 return false;
702 }
703 memcpy(str, state, len);
704 return true;
705 }
706
707 static void runstate_init(void)
708 {
709 const RunStateTransition *p;
710
711 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
712 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
713 runstate_valid_transitions[p->from][p->to] = true;
714 }
715
716 qemu_mutex_init(&vmstop_lock);
717 }
718
719 /* This function will abort() on invalid state transitions */
720 void runstate_set(RunState new_state)
721 {
722 assert(new_state < RUN_STATE__MAX);
723
724 if (current_run_state == new_state) {
725 return;
726 }
727
728 if (!runstate_valid_transitions[current_run_state][new_state]) {
729 error_report("invalid runstate transition: '%s' -> '%s'",
730 RunState_str(current_run_state),
731 RunState_str(new_state));
732 abort();
733 }
734 trace_runstate_set(new_state);
735 current_run_state = new_state;
736 }
737
738 int runstate_is_running(void)
739 {
740 return runstate_check(RUN_STATE_RUNNING);
741 }
742
743 bool runstate_needs_reset(void)
744 {
745 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
746 runstate_check(RUN_STATE_SHUTDOWN);
747 }
748
749 StatusInfo *qmp_query_status(Error **errp)
750 {
751 StatusInfo *info = g_malloc0(sizeof(*info));
752
753 info->running = runstate_is_running();
754 info->singlestep = singlestep;
755 info->status = current_run_state;
756
757 return info;
758 }
759
760 bool qemu_vmstop_requested(RunState *r)
761 {
762 qemu_mutex_lock(&vmstop_lock);
763 *r = vmstop_requested;
764 vmstop_requested = RUN_STATE__MAX;
765 qemu_mutex_unlock(&vmstop_lock);
766 return *r < RUN_STATE__MAX;
767 }
768
769 void qemu_system_vmstop_request_prepare(void)
770 {
771 qemu_mutex_lock(&vmstop_lock);
772 }
773
774 void qemu_system_vmstop_request(RunState state)
775 {
776 vmstop_requested = state;
777 qemu_mutex_unlock(&vmstop_lock);
778 qemu_notify_event();
779 }
780
781 /***********************************************************/
782 /* real time host monotonic timer */
783
784 static time_t qemu_time(void)
785 {
786 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
787 }
788
789 /***********************************************************/
790 /* host time/date access */
791 void qemu_get_timedate(struct tm *tm, int offset)
792 {
793 time_t ti = qemu_time();
794
795 ti += offset;
796 if (rtc_date_offset == -1) {
797 if (rtc_utc)
798 gmtime_r(&ti, tm);
799 else
800 localtime_r(&ti, tm);
801 } else {
802 ti -= rtc_date_offset;
803 gmtime_r(&ti, tm);
804 }
805 }
806
807 int qemu_timedate_diff(struct tm *tm)
808 {
809 time_t seconds;
810
811 if (rtc_date_offset == -1)
812 if (rtc_utc)
813 seconds = mktimegm(tm);
814 else {
815 struct tm tmp = *tm;
816 tmp.tm_isdst = -1; /* use timezone to figure it out */
817 seconds = mktime(&tmp);
818 }
819 else
820 seconds = mktimegm(tm) + rtc_date_offset;
821
822 return seconds - qemu_time();
823 }
824
825 static void configure_rtc_date_offset(const char *startdate, int legacy)
826 {
827 time_t rtc_start_date;
828 struct tm tm;
829
830 if (!strcmp(startdate, "now") && legacy) {
831 rtc_date_offset = -1;
832 } else {
833 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
834 &tm.tm_year,
835 &tm.tm_mon,
836 &tm.tm_mday,
837 &tm.tm_hour,
838 &tm.tm_min,
839 &tm.tm_sec) == 6) {
840 /* OK */
841 } else if (sscanf(startdate, "%d-%d-%d",
842 &tm.tm_year,
843 &tm.tm_mon,
844 &tm.tm_mday) == 3) {
845 tm.tm_hour = 0;
846 tm.tm_min = 0;
847 tm.tm_sec = 0;
848 } else {
849 goto date_fail;
850 }
851 tm.tm_year -= 1900;
852 tm.tm_mon--;
853 rtc_start_date = mktimegm(&tm);
854 if (rtc_start_date == -1) {
855 date_fail:
856 error_report("invalid date format");
857 error_printf("valid formats: "
858 "'2006-06-17T16:01:21' or '2006-06-17'\n");
859 exit(1);
860 }
861 rtc_date_offset = qemu_time() - rtc_start_date;
862 }
863 }
864
865 static void configure_rtc(QemuOpts *opts)
866 {
867 const char *value;
868
869 value = qemu_opt_get(opts, "base");
870 if (value) {
871 if (!strcmp(value, "utc")) {
872 rtc_utc = 1;
873 } else if (!strcmp(value, "localtime")) {
874 Error *blocker = NULL;
875 rtc_utc = 0;
876 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
877 "-rtc base=localtime");
878 replay_add_blocker(blocker);
879 } else {
880 configure_rtc_date_offset(value, 0);
881 }
882 }
883 value = qemu_opt_get(opts, "clock");
884 if (value) {
885 if (!strcmp(value, "host")) {
886 rtc_clock = QEMU_CLOCK_HOST;
887 } else if (!strcmp(value, "rt")) {
888 rtc_clock = QEMU_CLOCK_REALTIME;
889 } else if (!strcmp(value, "vm")) {
890 rtc_clock = QEMU_CLOCK_VIRTUAL;
891 } else {
892 error_report("invalid option value '%s'", value);
893 exit(1);
894 }
895 }
896 value = qemu_opt_get(opts, "driftfix");
897 if (value) {
898 if (!strcmp(value, "slew")) {
899 static GlobalProperty slew_lost_ticks = {
900 .driver = "mc146818rtc",
901 .property = "lost_tick_policy",
902 .value = "slew",
903 };
904
905 qdev_prop_register_global(&slew_lost_ticks);
906 } else if (!strcmp(value, "none")) {
907 /* discard is default */
908 } else {
909 error_report("invalid option value '%s'", value);
910 exit(1);
911 }
912 }
913 }
914
915 /***********************************************************/
916 /* Bluetooth support */
917 static int nb_hcis;
918 static int cur_hci;
919 static struct HCIInfo *hci_table[MAX_NICS];
920
921 struct HCIInfo *qemu_next_hci(void)
922 {
923 if (cur_hci == nb_hcis)
924 return &null_hci;
925
926 return hci_table[cur_hci++];
927 }
928
929 static int bt_hci_parse(const char *str)
930 {
931 struct HCIInfo *hci;
932 bdaddr_t bdaddr;
933
934 if (nb_hcis >= MAX_NICS) {
935 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
936 return -1;
937 }
938
939 hci = hci_init(str);
940 if (!hci)
941 return -1;
942
943 bdaddr.b[0] = 0x52;
944 bdaddr.b[1] = 0x54;
945 bdaddr.b[2] = 0x00;
946 bdaddr.b[3] = 0x12;
947 bdaddr.b[4] = 0x34;
948 bdaddr.b[5] = 0x56 + nb_hcis;
949 hci->bdaddr_set(hci, bdaddr.b);
950
951 hci_table[nb_hcis++] = hci;
952
953 return 0;
954 }
955
956 static void bt_vhci_add(int vlan_id)
957 {
958 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
959
960 if (!vlan->slave)
961 warn_report("adding a VHCI to an empty scatternet %i",
962 vlan_id);
963
964 bt_vhci_init(bt_new_hci(vlan));
965 }
966
967 static struct bt_device_s *bt_device_add(const char *opt)
968 {
969 struct bt_scatternet_s *vlan;
970 int vlan_id = 0;
971 char *endp = strstr(opt, ",vlan=");
972 int len = (endp ? endp - opt : strlen(opt)) + 1;
973 char devname[10];
974
975 pstrcpy(devname, MIN(sizeof(devname), len), opt);
976
977 if (endp) {
978 vlan_id = strtol(endp + 6, &endp, 0);
979 if (*endp) {
980 error_report("unrecognised bluetooth vlan Id");
981 return 0;
982 }
983 }
984
985 vlan = qemu_find_bt_vlan(vlan_id);
986
987 if (!vlan->slave)
988 warn_report("adding a slave device to an empty scatternet %i",
989 vlan_id);
990
991 if (!strcmp(devname, "keyboard"))
992 return bt_keyboard_init(vlan);
993
994 error_report("unsupported bluetooth device '%s'", devname);
995 return 0;
996 }
997
998 static int bt_parse(const char *opt)
999 {
1000 const char *endp, *p;
1001 int vlan;
1002
1003 if (strstart(opt, "hci", &endp)) {
1004 if (!*endp || *endp == ',') {
1005 if (*endp)
1006 if (!strstart(endp, ",vlan=", 0))
1007 opt = endp + 1;
1008
1009 return bt_hci_parse(opt);
1010 }
1011 } else if (strstart(opt, "vhci", &endp)) {
1012 if (!*endp || *endp == ',') {
1013 if (*endp) {
1014 if (strstart(endp, ",vlan=", &p)) {
1015 vlan = strtol(p, (char **) &endp, 0);
1016 if (*endp) {
1017 error_report("bad scatternet '%s'", p);
1018 return 1;
1019 }
1020 } else {
1021 error_report("bad parameter '%s'", endp + 1);
1022 return 1;
1023 }
1024 } else
1025 vlan = 0;
1026
1027 bt_vhci_add(vlan);
1028 return 0;
1029 }
1030 } else if (strstart(opt, "device:", &endp))
1031 return !bt_device_add(endp);
1032
1033 error_report("bad bluetooth parameter '%s'", opt);
1034 return 1;
1035 }
1036
1037 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1038 {
1039 if (qemu_opt_get_bool(opts, "enable", false)) {
1040 #ifdef CONFIG_SECCOMP
1041 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1042 | QEMU_SECCOMP_SET_OBSOLETE;
1043 const char *value = NULL;
1044
1045 value = qemu_opt_get(opts, "obsolete");
1046 if (value) {
1047 if (g_str_equal(value, "allow")) {
1048 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1049 } else if (g_str_equal(value, "deny")) {
1050 /* this is the default option, this if is here
1051 * to provide a little bit of consistency for
1052 * the command line */
1053 } else {
1054 error_report("invalid argument for obsolete");
1055 return -1;
1056 }
1057 }
1058
1059 if (seccomp_start(seccomp_opts) < 0) {
1060 error_report("failed to install seccomp syscall filter "
1061 "in the kernel");
1062 return -1;
1063 }
1064 #else
1065 error_report("seccomp support is disabled");
1066 return -1;
1067 #endif
1068 }
1069
1070 return 0;
1071 }
1072
1073 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1074 {
1075 const char *proc_name;
1076
1077 if (qemu_opt_get(opts, "debug-threads")) {
1078 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1079 }
1080 qemu_name = qemu_opt_get(opts, "guest");
1081
1082 proc_name = qemu_opt_get(opts, "process");
1083 if (proc_name) {
1084 os_set_proc_name(proc_name);
1085 }
1086
1087 return 0;
1088 }
1089
1090 bool defaults_enabled(void)
1091 {
1092 return has_defaults;
1093 }
1094
1095 #ifndef _WIN32
1096 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1097 {
1098 int fd, dupfd, flags;
1099 int64_t fdset_id;
1100 const char *fd_opaque = NULL;
1101 AddfdInfo *fdinfo;
1102
1103 fd = qemu_opt_get_number(opts, "fd", -1);
1104 fdset_id = qemu_opt_get_number(opts, "set", -1);
1105 fd_opaque = qemu_opt_get(opts, "opaque");
1106
1107 if (fd < 0) {
1108 error_report("fd option is required and must be non-negative");
1109 return -1;
1110 }
1111
1112 if (fd <= STDERR_FILENO) {
1113 error_report("fd cannot be a standard I/O stream");
1114 return -1;
1115 }
1116
1117 /*
1118 * All fds inherited across exec() necessarily have FD_CLOEXEC
1119 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1120 */
1121 flags = fcntl(fd, F_GETFD);
1122 if (flags == -1 || (flags & FD_CLOEXEC)) {
1123 error_report("fd is not valid or already in use");
1124 return -1;
1125 }
1126
1127 if (fdset_id < 0) {
1128 error_report("set option is required and must be non-negative");
1129 return -1;
1130 }
1131
1132 #ifdef F_DUPFD_CLOEXEC
1133 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1134 #else
1135 dupfd = dup(fd);
1136 if (dupfd != -1) {
1137 qemu_set_cloexec(dupfd);
1138 }
1139 #endif
1140 if (dupfd == -1) {
1141 error_report("error duplicating fd: %s", strerror(errno));
1142 return -1;
1143 }
1144
1145 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1146 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1147 &error_abort);
1148 g_free(fdinfo);
1149
1150 return 0;
1151 }
1152
1153 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1154 {
1155 int fd;
1156
1157 fd = qemu_opt_get_number(opts, "fd", -1);
1158 close(fd);
1159
1160 return 0;
1161 }
1162 #endif
1163
1164 /***********************************************************/
1165 /* QEMU Block devices */
1166
1167 #define HD_OPTS "media=disk"
1168 #define CDROM_OPTS "media=cdrom"
1169 #define FD_OPTS ""
1170 #define PFLASH_OPTS ""
1171 #define MTD_OPTS ""
1172 #define SD_OPTS ""
1173
1174 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1175 {
1176 BlockInterfaceType *block_default_type = opaque;
1177
1178 return drive_new(opts, *block_default_type) == NULL;
1179 }
1180
1181 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1182 {
1183 if (qemu_opt_get(opts, "snapshot") == NULL) {
1184 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1185 }
1186 return 0;
1187 }
1188
1189 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1190 int index, const char *optstr)
1191 {
1192 QemuOpts *opts;
1193 DriveInfo *dinfo;
1194
1195 if (!enable || drive_get_by_index(type, index)) {
1196 return;
1197 }
1198
1199 opts = drive_add(type, index, NULL, optstr);
1200 if (snapshot) {
1201 drive_enable_snapshot(NULL, opts, NULL);
1202 }
1203
1204 dinfo = drive_new(opts, type);
1205 if (!dinfo) {
1206 exit(1);
1207 }
1208 dinfo->is_default = true;
1209
1210 }
1211
1212 static QemuOptsList qemu_smp_opts = {
1213 .name = "smp-opts",
1214 .implied_opt_name = "cpus",
1215 .merge_lists = true,
1216 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1217 .desc = {
1218 {
1219 .name = "cpus",
1220 .type = QEMU_OPT_NUMBER,
1221 }, {
1222 .name = "sockets",
1223 .type = QEMU_OPT_NUMBER,
1224 }, {
1225 .name = "cores",
1226 .type = QEMU_OPT_NUMBER,
1227 }, {
1228 .name = "threads",
1229 .type = QEMU_OPT_NUMBER,
1230 }, {
1231 .name = "maxcpus",
1232 .type = QEMU_OPT_NUMBER,
1233 },
1234 { /*End of list */ }
1235 },
1236 };
1237
1238 static void smp_parse(QemuOpts *opts)
1239 {
1240 if (opts) {
1241 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1242 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1243 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1244 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1245
1246 /* compute missing values, prefer sockets over cores over threads */
1247 if (cpus == 0 || sockets == 0) {
1248 sockets = sockets > 0 ? sockets : 1;
1249 cores = cores > 0 ? cores : 1;
1250 threads = threads > 0 ? threads : 1;
1251 if (cpus == 0) {
1252 cpus = cores * threads * sockets;
1253 }
1254 } else if (cores == 0) {
1255 threads = threads > 0 ? threads : 1;
1256 cores = cpus / (sockets * threads);
1257 cores = cores > 0 ? cores : 1;
1258 } else if (threads == 0) {
1259 threads = cpus / (cores * sockets);
1260 threads = threads > 0 ? threads : 1;
1261 } else if (sockets * cores * threads < cpus) {
1262 error_report("cpu topology: "
1263 "sockets (%u) * cores (%u) * threads (%u) < "
1264 "smp_cpus (%u)",
1265 sockets, cores, threads, cpus);
1266 exit(1);
1267 }
1268
1269 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1270
1271 if (max_cpus < cpus) {
1272 error_report("maxcpus must be equal to or greater than smp");
1273 exit(1);
1274 }
1275
1276 if (sockets * cores * threads > max_cpus) {
1277 error_report("cpu topology: "
1278 "sockets (%u) * cores (%u) * threads (%u) > "
1279 "maxcpus (%u)",
1280 sockets, cores, threads, max_cpus);
1281 exit(1);
1282 }
1283
1284 smp_cpus = cpus;
1285 smp_cores = cores;
1286 smp_threads = threads;
1287 }
1288
1289 if (smp_cpus > 1) {
1290 Error *blocker = NULL;
1291 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1292 replay_add_blocker(blocker);
1293 }
1294 }
1295
1296 static void realtime_init(void)
1297 {
1298 if (enable_mlock) {
1299 if (os_mlock() < 0) {
1300 error_report("locking memory failed");
1301 exit(1);
1302 }
1303 }
1304 }
1305
1306
1307 static void configure_msg(QemuOpts *opts)
1308 {
1309 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1310 }
1311
1312 /***********************************************************/
1313 /* Semihosting */
1314
1315 typedef struct SemihostingConfig {
1316 bool enabled;
1317 SemihostingTarget target;
1318 const char **argv;
1319 int argc;
1320 const char *cmdline; /* concatenated argv */
1321 } SemihostingConfig;
1322
1323 static SemihostingConfig semihosting;
1324
1325 bool semihosting_enabled(void)
1326 {
1327 return semihosting.enabled;
1328 }
1329
1330 SemihostingTarget semihosting_get_target(void)
1331 {
1332 return semihosting.target;
1333 }
1334
1335 const char *semihosting_get_arg(int i)
1336 {
1337 if (i >= semihosting.argc) {
1338 return NULL;
1339 }
1340 return semihosting.argv[i];
1341 }
1342
1343 int semihosting_get_argc(void)
1344 {
1345 return semihosting.argc;
1346 }
1347
1348 const char *semihosting_get_cmdline(void)
1349 {
1350 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1351 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1352 }
1353 return semihosting.cmdline;
1354 }
1355
1356 static int add_semihosting_arg(void *opaque,
1357 const char *name, const char *val,
1358 Error **errp)
1359 {
1360 SemihostingConfig *s = opaque;
1361 if (strcmp(name, "arg") == 0) {
1362 s->argc++;
1363 /* one extra element as g_strjoinv() expects NULL-terminated array */
1364 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1365 s->argv[s->argc - 1] = val;
1366 s->argv[s->argc] = NULL;
1367 }
1368 return 0;
1369 }
1370
1371 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1372 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1373 {
1374 char *cmd_token;
1375
1376 /* argv[0] */
1377 add_semihosting_arg(&semihosting, "arg", file, NULL);
1378
1379 /* split -append and initialize argv[1..n] */
1380 cmd_token = strtok(g_strdup(cmd), " ");
1381 while (cmd_token) {
1382 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1383 cmd_token = strtok(NULL, " ");
1384 }
1385 }
1386
1387 /* Now we still need this for compatibility with XEN. */
1388 bool has_igd_gfx_passthru;
1389 static void igd_gfx_passthru(void)
1390 {
1391 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1392 }
1393
1394 /***********************************************************/
1395 /* USB devices */
1396
1397 static int usb_device_add(const char *devname)
1398 {
1399 USBDevice *dev = NULL;
1400 #ifndef CONFIG_LINUX
1401 const char *p;
1402 #endif
1403
1404 if (!machine_usb(current_machine)) {
1405 return -1;
1406 }
1407
1408 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1409 dev = usbdevice_create(devname);
1410 if (dev)
1411 goto done;
1412
1413 /* the other ones */
1414 #ifndef CONFIG_LINUX
1415 /* only the linux version is qdev-ified, usb-bsd still needs this */
1416 if (strstart(devname, "host:", &p)) {
1417 dev = usb_host_device_open(usb_bus_find(-1), p);
1418 }
1419 #endif
1420 if (!dev)
1421 return -1;
1422
1423 done:
1424 return 0;
1425 }
1426
1427 static int usb_device_del(const char *devname)
1428 {
1429 int bus_num, addr;
1430 const char *p;
1431
1432 if (strstart(devname, "host:", &p)) {
1433 return -1;
1434 }
1435
1436 if (!machine_usb(current_machine)) {
1437 return -1;
1438 }
1439
1440 p = strchr(devname, '.');
1441 if (!p)
1442 return -1;
1443 bus_num = strtoul(devname, NULL, 0);
1444 addr = strtoul(p + 1, NULL, 0);
1445
1446 return usb_device_delete_addr(bus_num, addr);
1447 }
1448
1449 static int usb_parse(const char *cmdline)
1450 {
1451 int r;
1452 r = usb_device_add(cmdline);
1453 if (r < 0) {
1454 error_report("could not add USB device '%s'", cmdline);
1455 }
1456 return r;
1457 }
1458
1459 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1460 {
1461 const char *devname = qdict_get_str(qdict, "devname");
1462
1463 error_report("usb_add is deprecated, please use device_add instead");
1464
1465 if (usb_device_add(devname) < 0) {
1466 error_report("could not add USB device '%s'", devname);
1467 }
1468 }
1469
1470 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1471 {
1472 const char *devname = qdict_get_str(qdict, "devname");
1473
1474 error_report("usb_del is deprecated, please use device_del instead");
1475
1476 if (usb_device_del(devname) < 0) {
1477 error_report("could not delete USB device '%s'", devname);
1478 }
1479 }
1480
1481 /***********************************************************/
1482 /* machine registration */
1483
1484 MachineState *current_machine;
1485
1486 static MachineClass *find_machine(const char *name)
1487 {
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineClass *mc = NULL;
1490
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *temp = el->data;
1493
1494 if (!strcmp(temp->name, name)) {
1495 mc = temp;
1496 break;
1497 }
1498 if (temp->alias &&
1499 !strcmp(temp->alias, name)) {
1500 mc = temp;
1501 break;
1502 }
1503 }
1504
1505 g_slist_free(machines);
1506 return mc;
1507 }
1508
1509 MachineClass *find_default_machine(void)
1510 {
1511 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1512 MachineClass *mc = NULL;
1513
1514 for (el = machines; el; el = el->next) {
1515 MachineClass *temp = el->data;
1516
1517 if (temp->is_default) {
1518 mc = temp;
1519 break;
1520 }
1521 }
1522
1523 g_slist_free(machines);
1524 return mc;
1525 }
1526
1527 MachineInfoList *qmp_query_machines(Error **errp)
1528 {
1529 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1530 MachineInfoList *mach_list = NULL;
1531
1532 for (el = machines; el; el = el->next) {
1533 MachineClass *mc = el->data;
1534 MachineInfoList *entry;
1535 MachineInfo *info;
1536
1537 info = g_malloc0(sizeof(*info));
1538 if (mc->is_default) {
1539 info->has_is_default = true;
1540 info->is_default = true;
1541 }
1542
1543 if (mc->alias) {
1544 info->has_alias = true;
1545 info->alias = g_strdup(mc->alias);
1546 }
1547
1548 info->name = g_strdup(mc->name);
1549 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1550 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1551
1552 entry = g_malloc0(sizeof(*entry));
1553 entry->value = info;
1554 entry->next = mach_list;
1555 mach_list = entry;
1556 }
1557
1558 g_slist_free(machines);
1559 return mach_list;
1560 }
1561
1562 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1563 {
1564 ObjectProperty *prop;
1565 ObjectPropertyIterator iter;
1566
1567 if (!qemu_opt_has_help_opt(opts)) {
1568 return 0;
1569 }
1570
1571 object_property_iter_init(&iter, OBJECT(machine));
1572 while ((prop = object_property_iter_next(&iter))) {
1573 if (!prop->set) {
1574 continue;
1575 }
1576
1577 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1578 prop->name, prop->type);
1579 if (prop->description) {
1580 error_printf(" (%s)\n", prop->description);
1581 } else {
1582 error_printf("\n");
1583 }
1584 }
1585
1586 return 1;
1587 }
1588
1589 /***********************************************************/
1590 /* main execution loop */
1591
1592 struct vm_change_state_entry {
1593 VMChangeStateHandler *cb;
1594 void *opaque;
1595 QLIST_ENTRY (vm_change_state_entry) entries;
1596 };
1597
1598 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1599
1600 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1601 void *opaque)
1602 {
1603 VMChangeStateEntry *e;
1604
1605 e = g_malloc0(sizeof (*e));
1606
1607 e->cb = cb;
1608 e->opaque = opaque;
1609 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1610 return e;
1611 }
1612
1613 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1614 {
1615 QLIST_REMOVE (e, entries);
1616 g_free (e);
1617 }
1618
1619 void vm_state_notify(int running, RunState state)
1620 {
1621 VMChangeStateEntry *e, *next;
1622
1623 trace_vm_state_notify(running, state);
1624
1625 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1626 e->cb(e->opaque, running, state);
1627 }
1628 }
1629
1630 static ShutdownCause reset_requested;
1631 static ShutdownCause shutdown_requested;
1632 static int shutdown_signal;
1633 static pid_t shutdown_pid;
1634 static int powerdown_requested;
1635 static int debug_requested;
1636 static int suspend_requested;
1637 static WakeupReason wakeup_reason;
1638 static NotifierList powerdown_notifiers =
1639 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1640 static NotifierList suspend_notifiers =
1641 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1642 static NotifierList wakeup_notifiers =
1643 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1644 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1645
1646 ShutdownCause qemu_shutdown_requested_get(void)
1647 {
1648 return shutdown_requested;
1649 }
1650
1651 ShutdownCause qemu_reset_requested_get(void)
1652 {
1653 return reset_requested;
1654 }
1655
1656 static int qemu_shutdown_requested(void)
1657 {
1658 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1659 }
1660
1661 static void qemu_kill_report(void)
1662 {
1663 if (!qtest_driver() && shutdown_signal) {
1664 if (shutdown_pid == 0) {
1665 /* This happens for eg ^C at the terminal, so it's worth
1666 * avoiding printing an odd message in that case.
1667 */
1668 error_report("terminating on signal %d", shutdown_signal);
1669 } else {
1670 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1671
1672 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1673 shutdown_signal, shutdown_pid,
1674 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1675 g_free(shutdown_cmd);
1676 }
1677 shutdown_signal = 0;
1678 }
1679 }
1680
1681 static ShutdownCause qemu_reset_requested(void)
1682 {
1683 ShutdownCause r = reset_requested;
1684
1685 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1686 reset_requested = SHUTDOWN_CAUSE_NONE;
1687 return r;
1688 }
1689 return SHUTDOWN_CAUSE_NONE;
1690 }
1691
1692 static int qemu_suspend_requested(void)
1693 {
1694 int r = suspend_requested;
1695 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1696 suspend_requested = 0;
1697 return r;
1698 }
1699 return false;
1700 }
1701
1702 static WakeupReason qemu_wakeup_requested(void)
1703 {
1704 return wakeup_reason;
1705 }
1706
1707 static int qemu_powerdown_requested(void)
1708 {
1709 int r = powerdown_requested;
1710 powerdown_requested = 0;
1711 return r;
1712 }
1713
1714 static int qemu_debug_requested(void)
1715 {
1716 int r = debug_requested;
1717 debug_requested = 0;
1718 return r;
1719 }
1720
1721 /*
1722 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1723 */
1724 void qemu_system_reset(ShutdownCause reason)
1725 {
1726 MachineClass *mc;
1727
1728 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1729
1730 cpu_synchronize_all_states();
1731
1732 if (mc && mc->reset) {
1733 mc->reset();
1734 } else {
1735 qemu_devices_reset();
1736 }
1737 if (reason) {
1738 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1739 &error_abort);
1740 }
1741 cpu_synchronize_all_post_reset();
1742 }
1743
1744 void qemu_system_guest_panicked(GuestPanicInformation *info)
1745 {
1746 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1747
1748 if (current_cpu) {
1749 current_cpu->crash_occurred = true;
1750 }
1751 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1752 !!info, info, &error_abort);
1753 vm_stop(RUN_STATE_GUEST_PANICKED);
1754 if (!no_shutdown) {
1755 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1756 !!info, info, &error_abort);
1757 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1758 }
1759
1760 if (info) {
1761 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1762 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1763 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1764 info->u.hyper_v.arg1,
1765 info->u.hyper_v.arg2,
1766 info->u.hyper_v.arg3,
1767 info->u.hyper_v.arg4,
1768 info->u.hyper_v.arg5);
1769 }
1770 qapi_free_GuestPanicInformation(info);
1771 }
1772 }
1773
1774 void qemu_system_reset_request(ShutdownCause reason)
1775 {
1776 if (no_reboot) {
1777 shutdown_requested = reason;
1778 } else {
1779 reset_requested = reason;
1780 }
1781 cpu_stop_current();
1782 qemu_notify_event();
1783 }
1784
1785 static void qemu_system_suspend(void)
1786 {
1787 pause_all_vcpus();
1788 notifier_list_notify(&suspend_notifiers, NULL);
1789 runstate_set(RUN_STATE_SUSPENDED);
1790 qapi_event_send_suspend(&error_abort);
1791 }
1792
1793 void qemu_system_suspend_request(void)
1794 {
1795 if (runstate_check(RUN_STATE_SUSPENDED)) {
1796 return;
1797 }
1798 suspend_requested = 1;
1799 cpu_stop_current();
1800 qemu_notify_event();
1801 }
1802
1803 void qemu_register_suspend_notifier(Notifier *notifier)
1804 {
1805 notifier_list_add(&suspend_notifiers, notifier);
1806 }
1807
1808 void qemu_system_wakeup_request(WakeupReason reason)
1809 {
1810 trace_system_wakeup_request(reason);
1811
1812 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1813 return;
1814 }
1815 if (!(wakeup_reason_mask & (1 << reason))) {
1816 return;
1817 }
1818 runstate_set(RUN_STATE_RUNNING);
1819 wakeup_reason = reason;
1820 qemu_notify_event();
1821 }
1822
1823 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1824 {
1825 if (enabled) {
1826 wakeup_reason_mask |= (1 << reason);
1827 } else {
1828 wakeup_reason_mask &= ~(1 << reason);
1829 }
1830 }
1831
1832 void qemu_register_wakeup_notifier(Notifier *notifier)
1833 {
1834 notifier_list_add(&wakeup_notifiers, notifier);
1835 }
1836
1837 void qemu_system_killed(int signal, pid_t pid)
1838 {
1839 shutdown_signal = signal;
1840 shutdown_pid = pid;
1841 no_shutdown = 0;
1842
1843 /* Cannot call qemu_system_shutdown_request directly because
1844 * we are in a signal handler.
1845 */
1846 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1847 qemu_notify_event();
1848 }
1849
1850 void qemu_system_shutdown_request(ShutdownCause reason)
1851 {
1852 trace_qemu_system_shutdown_request(reason);
1853 replay_shutdown_request(reason);
1854 shutdown_requested = reason;
1855 qemu_notify_event();
1856 }
1857
1858 static void qemu_system_powerdown(void)
1859 {
1860 qapi_event_send_powerdown(&error_abort);
1861 notifier_list_notify(&powerdown_notifiers, NULL);
1862 }
1863
1864 void qemu_system_powerdown_request(void)
1865 {
1866 trace_qemu_system_powerdown_request();
1867 powerdown_requested = 1;
1868 qemu_notify_event();
1869 }
1870
1871 void qemu_register_powerdown_notifier(Notifier *notifier)
1872 {
1873 notifier_list_add(&powerdown_notifiers, notifier);
1874 }
1875
1876 void qemu_system_debug_request(void)
1877 {
1878 debug_requested = 1;
1879 qemu_notify_event();
1880 }
1881
1882 static bool main_loop_should_exit(void)
1883 {
1884 RunState r;
1885 ShutdownCause request;
1886
1887 if (qemu_debug_requested()) {
1888 vm_stop(RUN_STATE_DEBUG);
1889 }
1890 if (qemu_suspend_requested()) {
1891 qemu_system_suspend();
1892 }
1893 request = qemu_shutdown_requested();
1894 if (request) {
1895 qemu_kill_report();
1896 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1897 &error_abort);
1898 if (no_shutdown) {
1899 vm_stop(RUN_STATE_SHUTDOWN);
1900 } else {
1901 return true;
1902 }
1903 }
1904 request = qemu_reset_requested();
1905 if (request) {
1906 pause_all_vcpus();
1907 qemu_system_reset(request);
1908 resume_all_vcpus();
1909 if (!runstate_check(RUN_STATE_RUNNING) &&
1910 !runstate_check(RUN_STATE_INMIGRATE)) {
1911 runstate_set(RUN_STATE_PRELAUNCH);
1912 }
1913 }
1914 if (qemu_wakeup_requested()) {
1915 pause_all_vcpus();
1916 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1917 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1918 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1919 resume_all_vcpus();
1920 qapi_event_send_wakeup(&error_abort);
1921 }
1922 if (qemu_powerdown_requested()) {
1923 qemu_system_powerdown();
1924 }
1925 if (qemu_vmstop_requested(&r)) {
1926 vm_stop(r);
1927 }
1928 return false;
1929 }
1930
1931 static void main_loop(void)
1932 {
1933 #ifdef CONFIG_PROFILER
1934 int64_t ti;
1935 #endif
1936 do {
1937 #ifdef CONFIG_PROFILER
1938 ti = profile_getclock();
1939 #endif
1940 main_loop_wait(false);
1941 #ifdef CONFIG_PROFILER
1942 dev_time += profile_getclock() - ti;
1943 #endif
1944 } while (!main_loop_should_exit());
1945 }
1946
1947 static void version(void)
1948 {
1949 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1950 QEMU_COPYRIGHT "\n");
1951 }
1952
1953 static void help(int exitcode)
1954 {
1955 version();
1956 printf("usage: %s [options] [disk_image]\n\n"
1957 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1958 error_get_progname());
1959
1960 #define QEMU_OPTIONS_GENERATE_HELP
1961 #include "qemu-options-wrapper.h"
1962
1963 printf("\nDuring emulation, the following keys are useful:\n"
1964 "ctrl-alt-f toggle full screen\n"
1965 "ctrl-alt-n switch to virtual console 'n'\n"
1966 "ctrl-alt toggle mouse and keyboard grab\n"
1967 "\n"
1968 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1969 "\n"
1970 QEMU_HELP_BOTTOM "\n");
1971
1972 exit(exitcode);
1973 }
1974
1975 #define HAS_ARG 0x0001
1976
1977 typedef struct QEMUOption {
1978 const char *name;
1979 int flags;
1980 int index;
1981 uint32_t arch_mask;
1982 } QEMUOption;
1983
1984 static const QEMUOption qemu_options[] = {
1985 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1986 #define QEMU_OPTIONS_GENERATE_OPTIONS
1987 #include "qemu-options-wrapper.h"
1988 { NULL },
1989 };
1990
1991 typedef struct VGAInterfaceInfo {
1992 const char *opt_name; /* option name */
1993 const char *name; /* human-readable name */
1994 /* Class names indicating that support is available.
1995 * If no class is specified, the interface is always available */
1996 const char *class_names[2];
1997 } VGAInterfaceInfo;
1998
1999 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2000 [VGA_NONE] = {
2001 .opt_name = "none",
2002 },
2003 [VGA_STD] = {
2004 .opt_name = "std",
2005 .name = "standard VGA",
2006 .class_names = { "VGA", "isa-vga" },
2007 },
2008 [VGA_CIRRUS] = {
2009 .opt_name = "cirrus",
2010 .name = "Cirrus VGA",
2011 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2012 },
2013 [VGA_VMWARE] = {
2014 .opt_name = "vmware",
2015 .name = "VMWare SVGA",
2016 .class_names = { "vmware-svga" },
2017 },
2018 [VGA_VIRTIO] = {
2019 .opt_name = "virtio",
2020 .name = "Virtio VGA",
2021 .class_names = { "virtio-vga" },
2022 },
2023 [VGA_QXL] = {
2024 .opt_name = "qxl",
2025 .name = "QXL VGA",
2026 .class_names = { "qxl-vga" },
2027 },
2028 [VGA_TCX] = {
2029 .opt_name = "tcx",
2030 .name = "TCX framebuffer",
2031 .class_names = { "SUNW,tcx" },
2032 },
2033 [VGA_CG3] = {
2034 .opt_name = "cg3",
2035 .name = "CG3 framebuffer",
2036 .class_names = { "cgthree" },
2037 },
2038 [VGA_XENFB] = {
2039 .opt_name = "xenfb",
2040 },
2041 };
2042
2043 static bool vga_interface_available(VGAInterfaceType t)
2044 {
2045 VGAInterfaceInfo *ti = &vga_interfaces[t];
2046
2047 assert(t < VGA_TYPE_MAX);
2048 return !ti->class_names[0] ||
2049 object_class_by_name(ti->class_names[0]) ||
2050 object_class_by_name(ti->class_names[1]);
2051 }
2052
2053 static void select_vgahw(const char *p)
2054 {
2055 const char *opts;
2056 int t;
2057
2058 assert(vga_interface_type == VGA_NONE);
2059 for (t = 0; t < VGA_TYPE_MAX; t++) {
2060 VGAInterfaceInfo *ti = &vga_interfaces[t];
2061 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2062 if (!vga_interface_available(t)) {
2063 error_report("%s not available", ti->name);
2064 exit(1);
2065 }
2066 vga_interface_type = t;
2067 break;
2068 }
2069 }
2070 if (t == VGA_TYPE_MAX) {
2071 invalid_vga:
2072 error_report("unknown vga type: %s", p);
2073 exit(1);
2074 }
2075 while (*opts) {
2076 const char *nextopt;
2077
2078 if (strstart(opts, ",retrace=", &nextopt)) {
2079 opts = nextopt;
2080 if (strstart(opts, "dumb", &nextopt))
2081 vga_retrace_method = VGA_RETRACE_DUMB;
2082 else if (strstart(opts, "precise", &nextopt))
2083 vga_retrace_method = VGA_RETRACE_PRECISE;
2084 else goto invalid_vga;
2085 } else goto invalid_vga;
2086 opts = nextopt;
2087 }
2088 }
2089
2090 typedef enum DisplayType {
2091 DT_DEFAULT,
2092 DT_CURSES,
2093 DT_SDL,
2094 DT_COCOA,
2095 DT_GTK,
2096 DT_EGL,
2097 DT_NONE,
2098 } DisplayType;
2099
2100 static DisplayType select_display(const char *p)
2101 {
2102 const char *opts;
2103 DisplayType display = DT_DEFAULT;
2104
2105 if (strstart(p, "sdl", &opts)) {
2106 #ifdef CONFIG_SDL
2107 display = DT_SDL;
2108 while (*opts) {
2109 const char *nextopt;
2110
2111 if (strstart(opts, ",frame=", &nextopt)) {
2112 opts = nextopt;
2113 if (strstart(opts, "on", &nextopt)) {
2114 no_frame = 0;
2115 } else if (strstart(opts, "off", &nextopt)) {
2116 no_frame = 1;
2117 } else {
2118 goto invalid_sdl_args;
2119 }
2120 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2121 opts = nextopt;
2122 if (strstart(opts, "on", &nextopt)) {
2123 alt_grab = 1;
2124 } else if (strstart(opts, "off", &nextopt)) {
2125 alt_grab = 0;
2126 } else {
2127 goto invalid_sdl_args;
2128 }
2129 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2130 opts = nextopt;
2131 if (strstart(opts, "on", &nextopt)) {
2132 ctrl_grab = 1;
2133 } else if (strstart(opts, "off", &nextopt)) {
2134 ctrl_grab = 0;
2135 } else {
2136 goto invalid_sdl_args;
2137 }
2138 } else if (strstart(opts, ",window_close=", &nextopt)) {
2139 opts = nextopt;
2140 if (strstart(opts, "on", &nextopt)) {
2141 no_quit = 0;
2142 } else if (strstart(opts, "off", &nextopt)) {
2143 no_quit = 1;
2144 } else {
2145 goto invalid_sdl_args;
2146 }
2147 } else if (strstart(opts, ",gl=", &nextopt)) {
2148 opts = nextopt;
2149 if (strstart(opts, "on", &nextopt)) {
2150 request_opengl = 1;
2151 } else if (strstart(opts, "off", &nextopt)) {
2152 request_opengl = 0;
2153 } else {
2154 goto invalid_sdl_args;
2155 }
2156 } else {
2157 invalid_sdl_args:
2158 error_report("invalid SDL option string");
2159 exit(1);
2160 }
2161 opts = nextopt;
2162 }
2163 #else
2164 error_report("SDL support is disabled");
2165 exit(1);
2166 #endif
2167 } else if (strstart(p, "vnc", &opts)) {
2168 if (*opts == '=') {
2169 vnc_parse(opts + 1, &error_fatal);
2170 } else {
2171 error_report("VNC requires a display argument vnc=<display>");
2172 exit(1);
2173 }
2174 } else if (strstart(p, "egl-headless", &opts)) {
2175 #ifdef CONFIG_OPENGL_DMABUF
2176 request_opengl = 1;
2177 display_opengl = 1;
2178 display = DT_EGL;
2179 #else
2180 fprintf(stderr, "egl support is disabled\n");
2181 exit(1);
2182 #endif
2183 } else if (strstart(p, "curses", &opts)) {
2184 #ifdef CONFIG_CURSES
2185 display = DT_CURSES;
2186 #else
2187 error_report("curses support is disabled");
2188 exit(1);
2189 #endif
2190 } else if (strstart(p, "gtk", &opts)) {
2191 #ifdef CONFIG_GTK
2192 display = DT_GTK;
2193 while (*opts) {
2194 const char *nextopt;
2195
2196 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2197 opts = nextopt;
2198 if (strstart(opts, "on", &nextopt)) {
2199 grab_on_hover = true;
2200 } else if (strstart(opts, "off", &nextopt)) {
2201 grab_on_hover = false;
2202 } else {
2203 goto invalid_gtk_args;
2204 }
2205 } else if (strstart(opts, ",gl=", &nextopt)) {
2206 opts = nextopt;
2207 if (strstart(opts, "on", &nextopt)) {
2208 request_opengl = 1;
2209 } else if (strstart(opts, "off", &nextopt)) {
2210 request_opengl = 0;
2211 } else {
2212 goto invalid_gtk_args;
2213 }
2214 } else {
2215 invalid_gtk_args:
2216 error_report("invalid GTK option string");
2217 exit(1);
2218 }
2219 opts = nextopt;
2220 }
2221 #else
2222 error_report("GTK support is disabled");
2223 exit(1);
2224 #endif
2225 } else if (strstart(p, "none", &opts)) {
2226 display = DT_NONE;
2227 } else {
2228 error_report("unknown display type");
2229 exit(1);
2230 }
2231
2232 return display;
2233 }
2234
2235 static int balloon_parse(const char *arg)
2236 {
2237 QemuOpts *opts;
2238
2239 if (strcmp(arg, "none") == 0) {
2240 return 0;
2241 }
2242
2243 if (!strncmp(arg, "virtio", 6)) {
2244 if (arg[6] == ',') {
2245 /* have params -> parse them */
2246 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2247 false);
2248 if (!opts)
2249 return -1;
2250 } else {
2251 /* create empty opts */
2252 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2253 &error_abort);
2254 }
2255 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2256 return 0;
2257 }
2258
2259 return -1;
2260 }
2261
2262 char *qemu_find_file(int type, const char *name)
2263 {
2264 int i;
2265 const char *subdir;
2266 char *buf;
2267
2268 /* Try the name as a straight path first */
2269 if (access(name, R_OK) == 0) {
2270 trace_load_file(name, name);
2271 return g_strdup(name);
2272 }
2273
2274 switch (type) {
2275 case QEMU_FILE_TYPE_BIOS:
2276 subdir = "";
2277 break;
2278 case QEMU_FILE_TYPE_KEYMAP:
2279 subdir = "keymaps/";
2280 break;
2281 default:
2282 abort();
2283 }
2284
2285 for (i = 0; i < data_dir_idx; i++) {
2286 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2287 if (access(buf, R_OK) == 0) {
2288 trace_load_file(name, buf);
2289 return buf;
2290 }
2291 g_free(buf);
2292 }
2293 return NULL;
2294 }
2295
2296 static inline bool nonempty_str(const char *str)
2297 {
2298 return str && *str;
2299 }
2300
2301 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2302 {
2303 gchar *buf;
2304 size_t size;
2305 const char *name, *file, *str;
2306 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2307
2308 if (fw_cfg == NULL) {
2309 error_report("fw_cfg device not available");
2310 return -1;
2311 }
2312 name = qemu_opt_get(opts, "name");
2313 file = qemu_opt_get(opts, "file");
2314 str = qemu_opt_get(opts, "string");
2315
2316 /* we need name and either a file or the content string */
2317 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2318 error_report("invalid argument(s)");
2319 return -1;
2320 }
2321 if (nonempty_str(file) && nonempty_str(str)) {
2322 error_report("file and string are mutually exclusive");
2323 return -1;
2324 }
2325 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2326 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2327 return -1;
2328 }
2329 if (strncmp(name, "opt/", 4) != 0) {
2330 warn_report("externally provided fw_cfg item names "
2331 "should be prefixed with \"opt/\"");
2332 }
2333 if (nonempty_str(str)) {
2334 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2335 buf = g_memdup(str, size);
2336 } else {
2337 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2338 error_report("can't load %s", file);
2339 return -1;
2340 }
2341 }
2342 /* For legacy, keep user files in a specific global order. */
2343 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2344 fw_cfg_add_file(fw_cfg, name, buf, size);
2345 fw_cfg_reset_order_override(fw_cfg);
2346 return 0;
2347 }
2348
2349 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2350 {
2351 return qdev_device_help(opts);
2352 }
2353
2354 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2355 {
2356 Error *err = NULL;
2357 DeviceState *dev;
2358
2359 dev = qdev_device_add(opts, &err);
2360 if (!dev) {
2361 error_report_err(err);
2362 return -1;
2363 }
2364 object_unref(OBJECT(dev));
2365 return 0;
2366 }
2367
2368 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2369 {
2370 Error *local_err = NULL;
2371
2372 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2373 if (local_err) {
2374 error_report_err(local_err);
2375 return -1;
2376 }
2377 exit(0);
2378 }
2379 return 0;
2380 }
2381
2382 #ifdef CONFIG_VIRTFS
2383 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2384 {
2385 return qemu_fsdev_add(opts);
2386 }
2387 #endif
2388
2389 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2390 {
2391 Chardev *chr;
2392 const char *chardev;
2393 const char *mode;
2394 int flags;
2395
2396 mode = qemu_opt_get(opts, "mode");
2397 if (mode == NULL) {
2398 mode = "readline";
2399 }
2400 if (strcmp(mode, "readline") == 0) {
2401 flags = MONITOR_USE_READLINE;
2402 } else if (strcmp(mode, "control") == 0) {
2403 flags = MONITOR_USE_CONTROL;
2404 } else {
2405 error_report("unknown monitor mode \"%s\"", mode);
2406 exit(1);
2407 }
2408
2409 if (qemu_opt_get_bool(opts, "pretty", 0))
2410 flags |= MONITOR_USE_PRETTY;
2411
2412 if (qemu_opt_get_bool(opts, "default", 0)) {
2413 error_report("option 'default' does nothing and is deprecated");
2414 }
2415
2416 chardev = qemu_opt_get(opts, "chardev");
2417 chr = qemu_chr_find(chardev);
2418 if (chr == NULL) {
2419 error_report("chardev \"%s\" not found", chardev);
2420 exit(1);
2421 }
2422
2423 monitor_init(chr, flags);
2424 return 0;
2425 }
2426
2427 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2428 {
2429 static int monitor_device_index = 0;
2430 QemuOpts *opts;
2431 const char *p;
2432 char label[32];
2433
2434 if (strstart(optarg, "chardev:", &p)) {
2435 snprintf(label, sizeof(label), "%s", p);
2436 } else {
2437 snprintf(label, sizeof(label), "compat_monitor%d",
2438 monitor_device_index);
2439 opts = qemu_chr_parse_compat(label, optarg);
2440 if (!opts) {
2441 error_report("parse error: %s", optarg);
2442 exit(1);
2443 }
2444 }
2445
2446 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2447 qemu_opt_set(opts, "mode", mode, &error_abort);
2448 qemu_opt_set(opts, "chardev", label, &error_abort);
2449 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2450 monitor_device_index++;
2451 }
2452
2453 struct device_config {
2454 enum {
2455 DEV_USB, /* -usbdevice */
2456 DEV_BT, /* -bt */
2457 DEV_SERIAL, /* -serial */
2458 DEV_PARALLEL, /* -parallel */
2459 DEV_VIRTCON, /* -virtioconsole */
2460 DEV_DEBUGCON, /* -debugcon */
2461 DEV_GDB, /* -gdb, -s */
2462 DEV_SCLP, /* s390 sclp */
2463 } type;
2464 const char *cmdline;
2465 Location loc;
2466 QTAILQ_ENTRY(device_config) next;
2467 };
2468
2469 static QTAILQ_HEAD(, device_config) device_configs =
2470 QTAILQ_HEAD_INITIALIZER(device_configs);
2471
2472 static void add_device_config(int type, const char *cmdline)
2473 {
2474 struct device_config *conf;
2475
2476 conf = g_malloc0(sizeof(*conf));
2477 conf->type = type;
2478 conf->cmdline = cmdline;
2479 loc_save(&conf->loc);
2480 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2481 }
2482
2483 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2484 {
2485 struct device_config *conf;
2486 int rc;
2487
2488 QTAILQ_FOREACH(conf, &device_configs, next) {
2489 if (conf->type != type)
2490 continue;
2491 loc_push_restore(&conf->loc);
2492 rc = func(conf->cmdline);
2493 loc_pop(&conf->loc);
2494 if (rc) {
2495 return rc;
2496 }
2497 }
2498 return 0;
2499 }
2500
2501 static int serial_parse(const char *devname)
2502 {
2503 static int index = 0;
2504 char label[32];
2505
2506 if (strcmp(devname, "none") == 0)
2507 return 0;
2508 if (index == MAX_SERIAL_PORTS) {
2509 error_report("too many serial ports");
2510 exit(1);
2511 }
2512 snprintf(label, sizeof(label), "serial%d", index);
2513 serial_hds[index] = qemu_chr_new(label, devname);
2514 if (!serial_hds[index]) {
2515 error_report("could not connect serial device"
2516 " to character backend '%s'", devname);
2517 return -1;
2518 }
2519 index++;
2520 return 0;
2521 }
2522
2523 static int parallel_parse(const char *devname)
2524 {
2525 static int index = 0;
2526 char label[32];
2527
2528 if (strcmp(devname, "none") == 0)
2529 return 0;
2530 if (index == MAX_PARALLEL_PORTS) {
2531 error_report("too many parallel ports");
2532 exit(1);
2533 }
2534 snprintf(label, sizeof(label), "parallel%d", index);
2535 parallel_hds[index] = qemu_chr_new(label, devname);
2536 if (!parallel_hds[index]) {
2537 error_report("could not connect parallel device"
2538 " to character backend '%s'", devname);
2539 return -1;
2540 }
2541 index++;
2542 return 0;
2543 }
2544
2545 static int virtcon_parse(const char *devname)
2546 {
2547 QemuOptsList *device = qemu_find_opts("device");
2548 static int index = 0;
2549 char label[32];
2550 QemuOpts *bus_opts, *dev_opts;
2551
2552 if (strcmp(devname, "none") == 0)
2553 return 0;
2554 if (index == MAX_VIRTIO_CONSOLES) {
2555 error_report("too many virtio consoles");
2556 exit(1);
2557 }
2558
2559 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2560 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2561
2562 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2563 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2564
2565 snprintf(label, sizeof(label), "virtcon%d", index);
2566 virtcon_hds[index] = qemu_chr_new(label, devname);
2567 if (!virtcon_hds[index]) {
2568 error_report("could not connect virtio console"
2569 " to character backend '%s'", devname);
2570 return -1;
2571 }
2572 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2573
2574 index++;
2575 return 0;
2576 }
2577
2578 static int sclp_parse(const char *devname)
2579 {
2580 QemuOptsList *device = qemu_find_opts("device");
2581 static int index = 0;
2582 char label[32];
2583 QemuOpts *dev_opts;
2584
2585 if (strcmp(devname, "none") == 0) {
2586 return 0;
2587 }
2588 if (index == MAX_SCLP_CONSOLES) {
2589 error_report("too many sclp consoles");
2590 exit(1);
2591 }
2592
2593 assert(arch_type == QEMU_ARCH_S390X);
2594
2595 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2596 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2597
2598 snprintf(label, sizeof(label), "sclpcon%d", index);
2599 sclp_hds[index] = qemu_chr_new(label, devname);
2600 if (!sclp_hds[index]) {
2601 error_report("could not connect sclp console"
2602 " to character backend '%s'", devname);
2603 return -1;
2604 }
2605 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2606
2607 index++;
2608 return 0;
2609 }
2610
2611 static int debugcon_parse(const char *devname)
2612 {
2613 QemuOpts *opts;
2614
2615 if (!qemu_chr_new("debugcon", devname)) {
2616 exit(1);
2617 }
2618 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2619 if (!opts) {
2620 error_report("already have a debugcon device");
2621 exit(1);
2622 }
2623 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2624 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2625 return 0;
2626 }
2627
2628 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2629 {
2630 const MachineClass *mc1 = a, *mc2 = b;
2631 int res;
2632
2633 if (mc1->family == NULL) {
2634 if (mc2->family == NULL) {
2635 /* Compare standalone machine types against each other; they sort
2636 * in increasing order.
2637 */
2638 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2639 object_class_get_name(OBJECT_CLASS(mc2)));
2640 }
2641
2642 /* Standalone machine types sort after families. */
2643 return 1;
2644 }
2645
2646 if (mc2->family == NULL) {
2647 /* Families sort before standalone machine types. */
2648 return -1;
2649 }
2650
2651 /* Families sort between each other alphabetically increasingly. */
2652 res = strcmp(mc1->family, mc2->family);
2653 if (res != 0) {
2654 return res;
2655 }
2656
2657 /* Within the same family, machine types sort in decreasing order. */
2658 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2659 object_class_get_name(OBJECT_CLASS(mc1)));
2660 }
2661
2662 static MachineClass *machine_parse(const char *name)
2663 {
2664 MachineClass *mc = NULL;
2665 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2666
2667 if (name) {
2668 mc = find_machine(name);
2669 }
2670 if (mc) {
2671 g_slist_free(machines);
2672 return mc;
2673 }
2674 if (name && !is_help_option(name)) {
2675 error_report("unsupported machine type");
2676 error_printf("Use -machine help to list supported machines\n");
2677 } else {
2678 printf("Supported machines are:\n");
2679 machines = g_slist_sort(machines, machine_class_cmp);
2680 for (el = machines; el; el = el->next) {
2681 MachineClass *mc = el->data;
2682 if (mc->alias) {
2683 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2684 }
2685 printf("%-20s %s%s\n", mc->name, mc->desc,
2686 mc->is_default ? " (default)" : "");
2687 }
2688 }
2689
2690 g_slist_free(machines);
2691 exit(!name || !is_help_option(name));
2692 }
2693
2694 void qemu_add_exit_notifier(Notifier *notify)
2695 {
2696 notifier_list_add(&exit_notifiers, notify);
2697 }
2698
2699 void qemu_remove_exit_notifier(Notifier *notify)
2700 {
2701 notifier_remove(notify);
2702 }
2703
2704 static void qemu_run_exit_notifiers(void)
2705 {
2706 notifier_list_notify(&exit_notifiers, NULL);
2707 }
2708
2709 static bool machine_init_done;
2710
2711 void qemu_add_machine_init_done_notifier(Notifier *notify)
2712 {
2713 notifier_list_add(&machine_init_done_notifiers, notify);
2714 if (machine_init_done) {
2715 notify->notify(notify, NULL);
2716 }
2717 }
2718
2719 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2720 {
2721 notifier_remove(notify);
2722 }
2723
2724 static void qemu_run_machine_init_done_notifiers(void)
2725 {
2726 notifier_list_notify(&machine_init_done_notifiers, NULL);
2727 machine_init_done = true;
2728 }
2729
2730 static const QEMUOption *lookup_opt(int argc, char **argv,
2731 const char **poptarg, int *poptind)
2732 {
2733 const QEMUOption *popt;
2734 int optind = *poptind;
2735 char *r = argv[optind];
2736 const char *optarg;
2737
2738 loc_set_cmdline(argv, optind, 1);
2739 optind++;
2740 /* Treat --foo the same as -foo. */
2741 if (r[1] == '-')
2742 r++;
2743 popt = qemu_options;
2744 for(;;) {
2745 if (!popt->name) {
2746 error_report("invalid option");
2747 exit(1);
2748 }
2749 if (!strcmp(popt->name, r + 1))
2750 break;
2751 popt++;
2752 }
2753 if (popt->flags & HAS_ARG) {
2754 if (optind >= argc) {
2755 error_report("requires an argument");
2756 exit(1);
2757 }
2758 optarg = argv[optind++];
2759 loc_set_cmdline(argv, optind - 2, 2);
2760 } else {
2761 optarg = NULL;
2762 }
2763
2764 *poptarg = optarg;
2765 *poptind = optind;
2766
2767 return popt;
2768 }
2769
2770 static MachineClass *select_machine(void)
2771 {
2772 MachineClass *machine_class = find_default_machine();
2773 const char *optarg;
2774 QemuOpts *opts;
2775 Location loc;
2776
2777 loc_push_none(&loc);
2778
2779 opts = qemu_get_machine_opts();
2780 qemu_opts_loc_restore(opts);
2781
2782 optarg = qemu_opt_get(opts, "type");
2783 if (optarg) {
2784 machine_class = machine_parse(optarg);
2785 }
2786
2787 if (!machine_class) {
2788 error_report("No machine specified, and there is no default");
2789 error_printf("Use -machine help to list supported machines\n");
2790 exit(1);
2791 }
2792
2793 loc_pop(&loc);
2794 return machine_class;
2795 }
2796
2797 static int machine_set_property(void *opaque,
2798 const char *name, const char *value,
2799 Error **errp)
2800 {
2801 Object *obj = OBJECT(opaque);
2802 Error *local_err = NULL;
2803 char *p, *qom_name;
2804
2805 if (strcmp(name, "type") == 0) {
2806 return 0;
2807 }
2808
2809 qom_name = g_strdup(name);
2810 for (p = qom_name; *p; p++) {
2811 if (*p == '_') {
2812 *p = '-';
2813 }
2814 }
2815
2816 object_property_parse(obj, value, qom_name, &local_err);
2817 g_free(qom_name);
2818
2819 if (local_err) {
2820 error_report_err(local_err);
2821 return -1;
2822 }
2823
2824 return 0;
2825 }
2826
2827
2828 /*
2829 * Initial object creation happens before all other
2830 * QEMU data types are created. The majority of objects
2831 * can be created at this point. The rng-egd object
2832 * cannot be created here, as it depends on the chardev
2833 * already existing.
2834 */
2835 static bool object_create_initial(const char *type)
2836 {
2837 if (g_str_equal(type, "rng-egd")) {
2838 return false;
2839 }
2840
2841 /*
2842 * return false for concrete netfilters since
2843 * they depend on netdevs already existing
2844 */
2845 if (g_str_equal(type, "filter-buffer") ||
2846 g_str_equal(type, "filter-dump") ||
2847 g_str_equal(type, "filter-mirror") ||
2848 g_str_equal(type, "filter-redirector") ||
2849 g_str_equal(type, "colo-compare") ||
2850 g_str_equal(type, "filter-rewriter") ||
2851 g_str_equal(type, "filter-replay")) {
2852 return false;
2853 }
2854
2855 /* Memory allocation by backends needs to be done
2856 * after configure_accelerator() (due to the tcg_enabled()
2857 * checks at memory_region_init_*()).
2858 *
2859 * Also, allocation of large amounts of memory may delay
2860 * chardev initialization for too long, and trigger timeouts
2861 * on software that waits for a monitor socket to be created
2862 * (e.g. libvirt).
2863 */
2864 if (g_str_has_prefix(type, "memory-backend-")) {
2865 return false;
2866 }
2867
2868 return true;
2869 }
2870
2871
2872 /*
2873 * The remainder of object creation happens after the
2874 * creation of chardev, fsdev, net clients and device data types.
2875 */
2876 static bool object_create_delayed(const char *type)
2877 {
2878 return !object_create_initial(type);
2879 }
2880
2881
2882 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2883 MachineClass *mc)
2884 {
2885 uint64_t sz;
2886 const char *mem_str;
2887 const char *maxmem_str, *slots_str;
2888 const ram_addr_t default_ram_size = mc->default_ram_size;
2889 QemuOpts *opts = qemu_find_opts_singleton("memory");
2890 Location loc;
2891
2892 loc_push_none(&loc);
2893 qemu_opts_loc_restore(opts);
2894
2895 sz = 0;
2896 mem_str = qemu_opt_get(opts, "size");
2897 if (mem_str) {
2898 if (!*mem_str) {
2899 error_report("missing 'size' option value");
2900 exit(EXIT_FAILURE);
2901 }
2902
2903 sz = qemu_opt_get_size(opts, "size", ram_size);
2904
2905 /* Fix up legacy suffix-less format */
2906 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2907 uint64_t overflow_check = sz;
2908
2909 sz <<= 20;
2910 if ((sz >> 20) != overflow_check) {
2911 error_report("too large 'size' option value");
2912 exit(EXIT_FAILURE);
2913 }
2914 }
2915 }
2916
2917 /* backward compatibility behaviour for case "-m 0" */
2918 if (sz == 0) {
2919 sz = default_ram_size;
2920 }
2921
2922 sz = QEMU_ALIGN_UP(sz, 8192);
2923 ram_size = sz;
2924 if (ram_size != sz) {
2925 error_report("ram size too large");
2926 exit(EXIT_FAILURE);
2927 }
2928
2929 /* store value for the future use */
2930 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2931 *maxram_size = ram_size;
2932
2933 maxmem_str = qemu_opt_get(opts, "maxmem");
2934 slots_str = qemu_opt_get(opts, "slots");
2935 if (maxmem_str && slots_str) {
2936 uint64_t slots;
2937
2938 sz = qemu_opt_get_size(opts, "maxmem", 0);
2939 slots = qemu_opt_get_number(opts, "slots", 0);
2940 if (sz < ram_size) {
2941 error_report("invalid value of -m option maxmem: "
2942 "maximum memory size (0x%" PRIx64 ") must be at least "
2943 "the initial memory size (0x" RAM_ADDR_FMT ")",
2944 sz, ram_size);
2945 exit(EXIT_FAILURE);
2946 } else if (sz > ram_size) {
2947 if (!slots) {
2948 error_report("invalid value of -m option: maxmem was "
2949 "specified, but no hotplug slots were specified");
2950 exit(EXIT_FAILURE);
2951 }
2952 } else if (slots) {
2953 error_report("invalid value of -m option maxmem: "
2954 "memory slots were specified but maximum memory size "
2955 "(0x%" PRIx64 ") is equal to the initial memory size "
2956 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2957 exit(EXIT_FAILURE);
2958 }
2959
2960 *maxram_size = sz;
2961 *ram_slots = slots;
2962 } else if ((!maxmem_str && slots_str) ||
2963 (maxmem_str && !slots_str)) {
2964 error_report("invalid -m option value: missing "
2965 "'%s' option", slots_str ? "maxmem" : "slots");
2966 exit(EXIT_FAILURE);
2967 }
2968
2969 loc_pop(&loc);
2970 }
2971
2972 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2973 {
2974 GlobalProperty *g;
2975
2976 g = g_malloc0(sizeof(*g));
2977 g->driver = qemu_opt_get(opts, "driver");
2978 g->property = qemu_opt_get(opts, "property");
2979 g->value = qemu_opt_get(opts, "value");
2980 g->user_provided = true;
2981 g->errp = &error_fatal;
2982 qdev_prop_register_global(g);
2983 return 0;
2984 }
2985
2986 static int qemu_read_default_config_file(void)
2987 {
2988 int ret;
2989
2990 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2991 if (ret < 0 && ret != -ENOENT) {
2992 return ret;
2993 }
2994
2995 return 0;
2996 }
2997
2998 static void user_register_global_props(void)
2999 {
3000 qemu_opts_foreach(qemu_find_opts("global"),
3001 global_init_func, NULL, NULL);
3002 }
3003
3004 /*
3005 * Note: we should see that these properties are actually having a
3006 * priority: accel < machine < user. This means e.g. when user
3007 * specifies something in "-global", it'll always be used with highest
3008 * priority than either machine/accelerator compat properties.
3009 */
3010 static void register_global_properties(MachineState *ms)
3011 {
3012 accel_register_compat_props(ms->accelerator);
3013 machine_register_compat_props(ms);
3014 user_register_global_props();
3015 }
3016
3017 int main(int argc, char **argv, char **envp)
3018 {
3019 int i;
3020 int snapshot, linux_boot;
3021 const char *initrd_filename;
3022 const char *kernel_filename, *kernel_cmdline;
3023 const char *boot_order = NULL;
3024 const char *boot_once = NULL;
3025 DisplayState *ds;
3026 int cyls, heads, secs, translation;
3027 QemuOpts *opts, *machine_opts;
3028 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
3029 QemuOptsList *olist;
3030 int optind;
3031 const char *optarg;
3032 const char *loadvm = NULL;
3033 MachineClass *machine_class;
3034 const char *cpu_model;
3035 const char *vga_model = NULL;
3036 const char *qtest_chrdev = NULL;
3037 const char *qtest_log = NULL;
3038 const char *pid_file = NULL;
3039 const char *incoming = NULL;
3040 bool defconfig = true;
3041 bool userconfig = true;
3042 bool nographic = false;
3043 DisplayType display_type = DT_DEFAULT;
3044 int display_remote = 0;
3045 const char *log_mask = NULL;
3046 const char *log_file = NULL;
3047 char *trace_file = NULL;
3048 ram_addr_t maxram_size;
3049 uint64_t ram_slots = 0;
3050 FILE *vmstate_dump_file = NULL;
3051 Error *main_loop_err = NULL;
3052 Error *err = NULL;
3053 bool list_data_dirs = false;
3054 typedef struct BlockdevOptions_queue {
3055 BlockdevOptions *bdo;
3056 Location loc;
3057 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3058 } BlockdevOptions_queue;
3059 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3060 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3061
3062 module_call_init(MODULE_INIT_TRACE);
3063
3064 qemu_init_cpu_list();
3065 qemu_init_cpu_loop();
3066 qemu_mutex_lock_iothread();
3067
3068 atexit(qemu_run_exit_notifiers);
3069 error_set_progname(argv[0]);
3070 qemu_init_exec_dir(argv[0]);
3071
3072 module_call_init(MODULE_INIT_QOM);
3073 monitor_init_qmp_commands();
3074
3075 qemu_add_opts(&qemu_drive_opts);
3076 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3077 qemu_add_drive_opts(&qemu_common_drive_opts);
3078 qemu_add_drive_opts(&qemu_drive_opts);
3079 qemu_add_drive_opts(&bdrv_runtime_opts);
3080 qemu_add_opts(&qemu_chardev_opts);
3081 qemu_add_opts(&qemu_device_opts);
3082 qemu_add_opts(&qemu_netdev_opts);
3083 qemu_add_opts(&qemu_net_opts);
3084 qemu_add_opts(&qemu_rtc_opts);
3085 qemu_add_opts(&qemu_global_opts);
3086 qemu_add_opts(&qemu_mon_opts);
3087 qemu_add_opts(&qemu_trace_opts);
3088 qemu_add_opts(&qemu_option_rom_opts);
3089 qemu_add_opts(&qemu_machine_opts);
3090 qemu_add_opts(&qemu_accel_opts);
3091 qemu_add_opts(&qemu_mem_opts);
3092 qemu_add_opts(&qemu_smp_opts);
3093 qemu_add_opts(&qemu_boot_opts);
3094 qemu_add_opts(&qemu_sandbox_opts);
3095 qemu_add_opts(&qemu_add_fd_opts);
3096 qemu_add_opts(&qemu_object_opts);
3097 qemu_add_opts(&qemu_tpmdev_opts);
3098 qemu_add_opts(&qemu_realtime_opts);
3099 qemu_add_opts(&qemu_msg_opts);
3100 qemu_add_opts(&qemu_name_opts);
3101 qemu_add_opts(&qemu_numa_opts);
3102 qemu_add_opts(&qemu_icount_opts);
3103 qemu_add_opts(&qemu_semihosting_config_opts);
3104 qemu_add_opts(&qemu_fw_cfg_opts);
3105 module_call_init(MODULE_INIT_OPTS);
3106
3107 runstate_init();
3108
3109 if (qcrypto_init(&err) < 0) {
3110 error_reportf_err(err, "cannot initialize crypto: ");
3111 exit(1);
3112 }
3113 rtc_clock = QEMU_CLOCK_HOST;
3114
3115 QLIST_INIT (&vm_change_state_head);
3116 os_setup_early_signal_handling();
3117
3118 cpu_model = NULL;
3119 snapshot = 0;
3120 cyls = heads = secs = 0;
3121 translation = BIOS_ATA_TRANSLATION_AUTO;
3122
3123 nb_nics = 0;
3124
3125 bdrv_init_with_whitelist();
3126
3127 autostart = 1;
3128
3129 /* first pass of option parsing */
3130 optind = 1;
3131 while (optind < argc) {
3132 if (argv[optind][0] != '-') {
3133 /* disk image */
3134 optind++;
3135 } else {
3136 const QEMUOption *popt;
3137
3138 popt = lookup_opt(argc, argv, &optarg, &optind);
3139 switch (popt->index) {
3140 case QEMU_OPTION_nodefconfig:
3141 defconfig = false;
3142 break;
3143 case QEMU_OPTION_nouserconfig:
3144 userconfig = false;
3145 break;
3146 }
3147 }
3148 }
3149
3150 if (defconfig && userconfig) {
3151 if (qemu_read_default_config_file() < 0) {
3152 exit(1);
3153 }
3154 }
3155
3156 /* second pass of option parsing */
3157 optind = 1;
3158 for(;;) {
3159 if (optind >= argc)
3160 break;
3161 if (argv[optind][0] != '-') {
3162 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3163 } else {
3164 const QEMUOption *popt;
3165
3166 popt = lookup_opt(argc, argv, &optarg, &optind);
3167 if (!(popt->arch_mask & arch_type)) {
3168 error_report("Option not supported for this target");
3169 exit(1);
3170 }
3171 switch(popt->index) {
3172 case QEMU_OPTION_no_kvm_irqchip: {
3173 olist = qemu_find_opts("machine");
3174 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3175 break;
3176 }
3177 case QEMU_OPTION_cpu:
3178 /* hw initialization will check this */
3179 cpu_model = optarg;
3180 break;
3181 case QEMU_OPTION_hda:
3182 {
3183 char buf[256];
3184 if (cyls == 0)
3185 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3186 else
3187 snprintf(buf, sizeof(buf),
3188 "%s,cyls=%d,heads=%d,secs=%d%s",
3189 HD_OPTS , cyls, heads, secs,
3190 translation == BIOS_ATA_TRANSLATION_LBA ?
3191 ",trans=lba" :
3192 translation == BIOS_ATA_TRANSLATION_NONE ?
3193 ",trans=none" : "");
3194 drive_add(IF_DEFAULT, 0, optarg, buf);
3195 break;
3196 }
3197 case QEMU_OPTION_hdb:
3198 case QEMU_OPTION_hdc:
3199 case QEMU_OPTION_hdd:
3200 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3201 HD_OPTS);
3202 break;
3203 case QEMU_OPTION_blockdev:
3204 {
3205 Visitor *v;
3206 BlockdevOptions_queue *bdo;
3207
3208 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3209 if (!v) {
3210 error_report_err(err);
3211 exit(1);
3212 }
3213
3214 bdo = g_new(BlockdevOptions_queue, 1);
3215 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3216 &error_fatal);
3217 visit_free(v);
3218 loc_save(&bdo->loc);
3219 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3220 break;
3221 }
3222 case QEMU_OPTION_drive:
3223 if (drive_def(optarg) == NULL) {
3224 exit(1);
3225 }
3226 break;
3227 case QEMU_OPTION_set:
3228 if (qemu_set_option(optarg) != 0)
3229 exit(1);
3230 break;
3231 case QEMU_OPTION_global:
3232 if (qemu_global_option(optarg) != 0)
3233 exit(1);
3234 break;
3235 case QEMU_OPTION_mtdblock:
3236 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3237 break;
3238 case QEMU_OPTION_sd:
3239 drive_add(IF_SD, -1, optarg, SD_OPTS);
3240 break;
3241 case QEMU_OPTION_pflash:
3242 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3243 break;
3244 case QEMU_OPTION_snapshot:
3245 snapshot = 1;
3246 break;
3247 case QEMU_OPTION_hdachs:
3248 {
3249 const char *p;
3250 p = optarg;
3251 cyls = strtol(p, (char **)&p, 0);
3252 if (cyls < 1 || cyls > 16383)
3253 goto chs_fail;
3254 if (*p != ',')
3255 goto chs_fail;
3256 p++;
3257 heads = strtol(p, (char **)&p, 0);
3258 if (heads < 1 || heads > 16)
3259 goto chs_fail;
3260 if (*p != ',')
3261 goto chs_fail;
3262 p++;
3263 secs = strtol(p, (char **)&p, 0);
3264 if (secs < 1 || secs > 63)
3265 goto chs_fail;
3266 if (*p == ',') {
3267 p++;
3268 if (!strcmp(p, "large")) {
3269 translation = BIOS_ATA_TRANSLATION_LARGE;
3270 } else if (!strcmp(p, "rechs")) {
3271 translation = BIOS_ATA_TRANSLATION_RECHS;
3272 } else if (!strcmp(p, "none")) {
3273 translation = BIOS_ATA_TRANSLATION_NONE;
3274 } else if (!strcmp(p, "lba")) {
3275 translation = BIOS_ATA_TRANSLATION_LBA;
3276 } else if (!strcmp(p, "auto")) {
3277 translation = BIOS_ATA_TRANSLATION_AUTO;
3278 } else {
3279 goto chs_fail;
3280 }
3281 } else if (*p != '\0') {
3282 chs_fail:
3283 error_report("invalid physical CHS format");
3284 exit(1);
3285 }
3286 if (hda_opts != NULL) {
3287 qemu_opt_set_number(hda_opts, "cyls", cyls,
3288 &error_abort);
3289 qemu_opt_set_number(hda_opts, "heads", heads,
3290 &error_abort);
3291 qemu_opt_set_number(hda_opts, "secs", secs,
3292 &error_abort);
3293 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3294 qemu_opt_set(hda_opts, "trans", "large",
3295 &error_abort);
3296 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3297 qemu_opt_set(hda_opts, "trans", "rechs",
3298 &error_abort);
3299 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3300 qemu_opt_set(hda_opts, "trans", "lba",
3301 &error_abort);
3302 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3303 qemu_opt_set(hda_opts, "trans", "none",
3304 &error_abort);
3305 }
3306 }
3307 }
3308 error_report("'-hdachs' is deprecated, please use '-device"
3309 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3310 break;
3311 case QEMU_OPTION_numa:
3312 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3313 optarg, true);
3314 if (!opts) {
3315 exit(1);
3316 }
3317 break;
3318 case QEMU_OPTION_display:
3319 display_type = select_display(optarg);
3320 break;
3321 case QEMU_OPTION_nographic:
3322 olist = qemu_find_opts("machine");
3323 qemu_opts_parse_noisily(olist, "graphics=off", false);
3324 nographic = true;
3325 display_type = DT_NONE;
3326 break;
3327 case QEMU_OPTION_curses:
3328 #ifdef CONFIG_CURSES
3329 display_type = DT_CURSES;
3330 #else
3331 error_report("curses support is disabled");
3332 exit(1);
3333 #endif
3334 break;
3335 case QEMU_OPTION_portrait:
3336 graphic_rotate = 90;
3337 break;
3338 case QEMU_OPTION_rotate:
3339 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3340 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3341 graphic_rotate != 180 && graphic_rotate != 270) {
3342 error_report("only 90, 180, 270 deg rotation is available");
3343 exit(1);
3344 }
3345 break;
3346 case QEMU_OPTION_kernel:
3347 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3348 &error_abort);
3349 break;
3350 case QEMU_OPTION_initrd:
3351 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3352 &error_abort);
3353 break;
3354 case QEMU_OPTION_append:
3355 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3356 &error_abort);
3357 break;
3358 case QEMU_OPTION_dtb:
3359 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3360 &error_abort);
3361 break;
3362 case QEMU_OPTION_cdrom:
3363 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3364 break;
3365 case QEMU_OPTION_boot:
3366 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3367 optarg, true);
3368 if (!opts) {
3369 exit(1);
3370 }
3371 break;
3372 case QEMU_OPTION_fda:
3373 case QEMU_OPTION_fdb:
3374 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3375 optarg, FD_OPTS);
3376 break;
3377 case QEMU_OPTION_no_fd_bootchk:
3378 fd_bootchk = 0;
3379 break;
3380 case QEMU_OPTION_netdev:
3381 default_net = 0;
3382 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3383 exit(1);
3384 }
3385 break;
3386 case QEMU_OPTION_net:
3387 default_net = 0;
3388 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3389 exit(1);
3390 }
3391 break;
3392 #ifdef CONFIG_LIBISCSI
3393 case QEMU_OPTION_iscsi:
3394 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3395 optarg, false);
3396 if (!opts) {
3397 exit(1);
3398 }
3399 break;
3400 #endif
3401 #ifdef CONFIG_SLIRP
3402 case QEMU_OPTION_tftp:
3403 error_report("The -tftp option is deprecated. "
3404 "Please use '-netdev user,tftp=...' instead.");
3405 legacy_tftp_prefix = optarg;
3406 break;
3407 case QEMU_OPTION_bootp:
3408 error_report("The -bootp option is deprecated. "
3409 "Please use '-netdev user,bootfile=...' instead.");
3410 legacy_bootp_filename = optarg;
3411 break;
3412 case QEMU_OPTION_redir:
3413 error_report("The -redir option is deprecated. "
3414 "Please use '-netdev user,hostfwd=...' instead.");
3415 if (net_slirp_redir(optarg) < 0)
3416 exit(1);
3417 break;
3418 #endif
3419 case QEMU_OPTION_bt:
3420 add_device_config(DEV_BT, optarg);
3421 break;
3422 case QEMU_OPTION_audio_help:
3423 AUD_help ();
3424 exit (0);
3425 break;
3426 case QEMU_OPTION_soundhw:
3427 select_soundhw (optarg);
3428 break;
3429 case QEMU_OPTION_h:
3430 help(0);
3431 break;
3432 case QEMU_OPTION_version:
3433 version();
3434 exit(0);
3435 break;
3436 case QEMU_OPTION_m:
3437 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3438 optarg, true);
3439 if (!opts) {
3440 exit(EXIT_FAILURE);
3441 }
3442 break;
3443 #ifdef CONFIG_TPM
3444 case QEMU_OPTION_tpmdev:
3445 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3446 exit(1);
3447 }
3448 break;
3449 #endif
3450 case QEMU_OPTION_mempath:
3451 mem_path = optarg;
3452 break;
3453 case QEMU_OPTION_mem_prealloc:
3454 mem_prealloc = 1;
3455 break;
3456 case QEMU_OPTION_d:
3457 log_mask = optarg;
3458 break;
3459 case QEMU_OPTION_D:
3460 log_file = optarg;
3461 break;
3462 case QEMU_OPTION_DFILTER:
3463 qemu_set_dfilter_ranges(optarg, &error_fatal);
3464 break;
3465 case QEMU_OPTION_s:
3466 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3467 break;
3468 case QEMU_OPTION_gdb:
3469 add_device_config(DEV_GDB, optarg);
3470 break;
3471 case QEMU_OPTION_L:
3472 if (is_help_option(optarg)) {
3473 list_data_dirs = true;
3474 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3475 data_dir[data_dir_idx++] = optarg;
3476 }
3477 break;
3478 case QEMU_OPTION_bios:
3479 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3480 &error_abort);
3481 break;
3482 case QEMU_OPTION_singlestep:
3483 singlestep = 1;
3484 break;
3485 case QEMU_OPTION_S:
3486 autostart = 0;
3487 break;
3488 case QEMU_OPTION_k:
3489 keyboard_layout = optarg;
3490 break;
3491 case QEMU_OPTION_localtime:
3492 rtc_utc = 0;
3493 break;
3494 case QEMU_OPTION_vga:
3495 vga_model = optarg;
3496 default_vga = 0;
3497 break;
3498 case QEMU_OPTION_g:
3499 {
3500 const char *p;
3501 int w, h, depth;
3502 p = optarg;
3503 w = strtol(p, (char **)&p, 10);
3504 if (w <= 0) {
3505 graphic_error:
3506 error_report("invalid resolution or depth");
3507 exit(1);
3508 }
3509 if (*p != 'x')
3510 goto graphic_error;
3511 p++;
3512 h = strtol(p, (char **)&p, 10);
3513 if (h <= 0)
3514 goto graphic_error;
3515 if (*p == 'x') {
3516 p++;
3517 depth = strtol(p, (char **)&p, 10);
3518 if (depth != 8 && depth != 15 && depth != 16 &&
3519 depth != 24 && depth != 32)
3520 goto graphic_error;
3521 } else if (*p == '\0') {
3522 depth = graphic_depth;
3523 } else {
3524 goto graphic_error;
3525 }
3526
3527 graphic_width = w;
3528 graphic_height = h;
3529 graphic_depth = depth;
3530 }
3531 break;
3532 case QEMU_OPTION_echr:
3533 {
3534 char *r;
3535 term_escape_char = strtol(optarg, &r, 0);
3536 if (r == optarg)
3537 printf("Bad argument to echr\n");
3538 break;
3539 }
3540 case QEMU_OPTION_monitor:
3541 default_monitor = 0;
3542 if (strncmp(optarg, "none", 4)) {
3543 monitor_parse(optarg, "readline", false);
3544 }
3545 break;
3546 case QEMU_OPTION_qmp:
3547 monitor_parse(optarg, "control", false);
3548 default_monitor = 0;
3549 break;
3550 case QEMU_OPTION_qmp_pretty:
3551 monitor_parse(optarg, "control", true);
3552 default_monitor = 0;
3553 break;
3554 case QEMU_OPTION_mon:
3555 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3556 true);
3557 if (!opts) {
3558 exit(1);
3559 }
3560 default_monitor = 0;
3561 break;
3562 case QEMU_OPTION_chardev:
3563 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3564 optarg, true);
3565 if (!opts) {
3566 exit(1);
3567 }
3568 break;
3569 case QEMU_OPTION_fsdev:
3570 olist = qemu_find_opts("fsdev");
3571 if (!olist) {
3572 error_report("fsdev support is disabled");
3573 exit(1);
3574 }
3575 opts = qemu_opts_parse_noisily(olist, optarg, true);
3576 if (!opts) {
3577 exit(1);
3578 }
3579 break;
3580 case QEMU_OPTION_virtfs: {
3581 QemuOpts *fsdev;
3582 QemuOpts *device;
3583 const char *writeout, *sock_fd, *socket, *path, *security_model;
3584
3585 olist = qemu_find_opts("virtfs");
3586 if (!olist) {
3587 error_report("virtfs support is disabled");
3588 exit(1);
3589 }
3590 opts = qemu_opts_parse_noisily(olist, optarg, true);
3591 if (!opts) {
3592 exit(1);
3593 }
3594
3595 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3596 qemu_opt_get(opts, "mount_tag") == NULL) {
3597 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3598 exit(1);
3599 }
3600 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3601 qemu_opts_id(opts) ?:
3602 qemu_opt_get(opts, "mount_tag"),
3603 1, NULL);
3604 if (!fsdev) {
3605 error_report("duplicate or invalid fsdev id: %s",
3606 qemu_opt_get(opts, "mount_tag"));
3607 exit(1);
3608 }
3609
3610 writeout = qemu_opt_get(opts, "writeout");
3611 if (writeout) {
3612 #ifdef CONFIG_SYNC_FILE_RANGE
3613 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3614 #else
3615 error_report("writeout=immediate not supported "
3616 "on this platform");
3617 exit(1);
3618 #endif
3619 }
3620 qemu_opt_set(fsdev, "fsdriver",
3621 qemu_opt_get(opts, "fsdriver"), &error_abort);
3622 path = qemu_opt_get(opts, "path");
3623 if (path) {
3624 qemu_opt_set(fsdev, "path", path, &error_abort);
3625 }
3626 security_model = qemu_opt_get(opts, "security_model");
3627 if (security_model) {
3628 qemu_opt_set(fsdev, "security_model", security_model,
3629 &error_abort);
3630 }
3631 socket = qemu_opt_get(opts, "socket");
3632 if (socket) {
3633 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3634 }
3635 sock_fd = qemu_opt_get(opts, "sock_fd");
3636 if (sock_fd) {
3637 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3638 }
3639
3640 qemu_opt_set_bool(fsdev, "readonly",
3641 qemu_opt_get_bool(opts, "readonly", 0),
3642 &error_abort);
3643 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3644 &error_abort);
3645 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3646 qemu_opt_set(device, "fsdev",
3647 qemu_opts_id(fsdev), &error_abort);
3648 qemu_opt_set(device, "mount_tag",
3649 qemu_opt_get(opts, "mount_tag"), &error_abort);
3650 break;
3651 }
3652 case QEMU_OPTION_virtfs_synth: {
3653 QemuOpts *fsdev;
3654 QemuOpts *device;
3655
3656 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3657 1, NULL);
3658 if (!fsdev) {
3659 error_report("duplicate option: %s", "virtfs_synth");
3660 exit(1);
3661 }
3662 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3663
3664 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3665 &error_abort);
3666 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3667 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3668 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3669 break;
3670 }
3671 case QEMU_OPTION_serial:
3672 add_device_config(DEV_SERIAL, optarg);
3673 default_serial = 0;
3674 if (strncmp(optarg, "mon:", 4) == 0) {
3675 default_monitor = 0;
3676 }
3677 break;
3678 case QEMU_OPTION_watchdog:
3679 if (watchdog) {
3680 error_report("only one watchdog option may be given");
3681 return 1;
3682 }
3683 watchdog = optarg;
3684 break;
3685 case QEMU_OPTION_watchdog_action:
3686 if (select_watchdog_action(optarg) == -1) {
3687 error_report("unknown -watchdog-action parameter");
3688 exit(1);
3689 }
3690 break;
3691 case QEMU_OPTION_virtiocon:
3692 add_device_config(DEV_VIRTCON, optarg);
3693 default_virtcon = 0;
3694 if (strncmp(optarg, "mon:", 4) == 0) {
3695 default_monitor = 0;
3696 }
3697 break;
3698 case QEMU_OPTION_parallel:
3699 add_device_config(DEV_PARALLEL, optarg);
3700 default_parallel = 0;
3701 if (strncmp(optarg, "mon:", 4) == 0) {
3702 default_monitor = 0;
3703 }
3704 break;
3705 case QEMU_OPTION_debugcon:
3706 add_device_config(DEV_DEBUGCON, optarg);
3707 break;
3708 case QEMU_OPTION_loadvm:
3709 loadvm = optarg;
3710 break;
3711 case QEMU_OPTION_full_screen:
3712 full_screen = 1;
3713 break;
3714 case QEMU_OPTION_no_frame:
3715 no_frame = 1;
3716 break;
3717 case QEMU_OPTION_alt_grab:
3718 alt_grab = 1;
3719 break;
3720 case QEMU_OPTION_ctrl_grab:
3721 ctrl_grab = 1;
3722 break;
3723 case QEMU_OPTION_no_quit:
3724 no_quit = 1;
3725 break;
3726 case QEMU_OPTION_sdl:
3727 #ifdef CONFIG_SDL
3728 display_type = DT_SDL;
3729 break;
3730 #else
3731 error_report("SDL support is disabled");
3732 exit(1);
3733 #endif
3734 case QEMU_OPTION_pidfile:
3735 pid_file = optarg;
3736 break;
3737 case QEMU_OPTION_win2k_hack:
3738 win2k_install_hack = 1;
3739 break;
3740 case QEMU_OPTION_rtc_td_hack: {
3741 static GlobalProperty slew_lost_ticks = {
3742 .driver = "mc146818rtc",
3743 .property = "lost_tick_policy",
3744 .value = "slew",
3745 };
3746
3747 qdev_prop_register_global(&slew_lost_ticks);
3748 break;
3749 }
3750 case QEMU_OPTION_acpitable:
3751 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3752 optarg, true);
3753 if (!opts) {
3754 exit(1);
3755 }
3756 acpi_table_add(opts, &error_fatal);
3757 break;
3758 case QEMU_OPTION_smbios:
3759 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3760 optarg, false);
3761 if (!opts) {
3762 exit(1);
3763 }
3764 smbios_entry_add(opts, &error_fatal);
3765 break;
3766 case QEMU_OPTION_fwcfg:
3767 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3768 optarg, true);
3769 if (opts == NULL) {
3770 exit(1);
3771 }
3772 break;
3773 case QEMU_OPTION_enable_kvm:
3774 olist = qemu_find_opts("machine");
3775 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3776 break;
3777 case QEMU_OPTION_enable_hax:
3778 olist = qemu_find_opts("machine");
3779 qemu_opts_parse_noisily(olist, "accel=hax", false);
3780 break;
3781 case QEMU_OPTION_M:
3782 case QEMU_OPTION_machine:
3783 olist = qemu_find_opts("machine");
3784 opts = qemu_opts_parse_noisily(olist, optarg, true);
3785 if (!opts) {
3786 exit(1);
3787 }
3788 break;
3789 case QEMU_OPTION_no_kvm:
3790 olist = qemu_find_opts("machine");
3791 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3792 break;
3793 case QEMU_OPTION_no_kvm_pit: {
3794 warn_report("ignoring deprecated option");
3795 break;
3796 }
3797 case QEMU_OPTION_no_kvm_pit_reinjection: {
3798 static GlobalProperty kvm_pit_lost_tick_policy = {
3799 .driver = "kvm-pit",
3800 .property = "lost_tick_policy",
3801 .value = "discard",
3802 };
3803
3804 warn_report("deprecated, replaced by "
3805 "-global kvm-pit.lost_tick_policy=discard");
3806 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3807 break;
3808 }
3809 case QEMU_OPTION_accel:
3810 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3811 optarg, true);
3812 optarg = qemu_opt_get(accel_opts, "accel");
3813 if (!optarg || is_help_option(optarg)) {
3814 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3815 exit(0);
3816 }
3817 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3818 false, &error_abort);
3819 qemu_opt_set(opts, "accel", optarg, &error_abort);
3820 break;
3821 case QEMU_OPTION_usb:
3822 olist = qemu_find_opts("machine");
3823 qemu_opts_parse_noisily(olist, "usb=on", false);
3824 break;
3825 case QEMU_OPTION_usbdevice:
3826 error_report("'-usbdevice' is deprecated, please use "
3827 "'-device usb-...' instead");
3828 olist = qemu_find_opts("machine");
3829 qemu_opts_parse_noisily(olist, "usb=on", false);
3830 add_device_config(DEV_USB, optarg);
3831 break;
3832 case QEMU_OPTION_device:
3833 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3834 optarg, true)) {
3835 exit(1);
3836 }
3837 break;
3838 case QEMU_OPTION_smp:
3839 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3840 optarg, true)) {
3841 exit(1);
3842 }
3843 break;
3844 case QEMU_OPTION_vnc:
3845 vnc_parse(optarg, &error_fatal);
3846 break;
3847 case QEMU_OPTION_no_acpi:
3848 acpi_enabled = 0;
3849 break;
3850 case QEMU_OPTION_no_hpet:
3851 no_hpet = 1;
3852 break;
3853 case QEMU_OPTION_balloon:
3854 if (balloon_parse(optarg) < 0) {
3855 error_report("unknown -balloon argument %s", optarg);
3856 exit(1);
3857 }
3858 break;
3859 case QEMU_OPTION_no_reboot:
3860 no_reboot = 1;
3861 break;
3862 case QEMU_OPTION_no_shutdown:
3863 no_shutdown = 1;
3864 break;
3865 case QEMU_OPTION_show_cursor:
3866 cursor_hide = 0;
3867 break;
3868 case QEMU_OPTION_uuid:
3869 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3870 error_report("failed to parse UUID string: wrong format");
3871 exit(1);
3872 }
3873 qemu_uuid_set = true;
3874 break;
3875 case QEMU_OPTION_option_rom:
3876 if (nb_option_roms >= MAX_OPTION_ROMS) {
3877 error_report("too many option ROMs");
3878 exit(1);
3879 }
3880 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3881 optarg, true);
3882 if (!opts) {
3883 exit(1);
3884 }
3885 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3886 option_rom[nb_option_roms].bootindex =
3887 qemu_opt_get_number(opts, "bootindex", -1);
3888 if (!option_rom[nb_option_roms].name) {
3889 error_report("Option ROM file is not specified");
3890 exit(1);
3891 }
3892 nb_option_roms++;
3893 break;
3894 case QEMU_OPTION_semihosting:
3895 semihosting.enabled = true;
3896 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3897 break;
3898 case QEMU_OPTION_semihosting_config:
3899 semihosting.enabled = true;
3900 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3901 optarg, false);
3902 if (opts != NULL) {
3903 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3904 true);
3905 const char *target = qemu_opt_get(opts, "target");
3906 if (target != NULL) {
3907 if (strcmp("native", target) == 0) {
3908 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3909 } else if (strcmp("gdb", target) == 0) {
3910 semihosting.target = SEMIHOSTING_TARGET_GDB;
3911 } else if (strcmp("auto", target) == 0) {
3912 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3913 } else {
3914 error_report("unsupported semihosting-config %s",
3915 optarg);
3916 exit(1);
3917 }
3918 } else {
3919 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3920 }
3921 /* Set semihosting argument count and vector */
3922 qemu_opt_foreach(opts, add_semihosting_arg,
3923 &semihosting, NULL);
3924 } else {
3925 error_report("unsupported semihosting-config %s", optarg);
3926 exit(1);
3927 }
3928 break;
3929 case QEMU_OPTION_tdf:
3930 warn_report("ignoring deprecated option");
3931 break;
3932 case QEMU_OPTION_name:
3933 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3934 optarg, true);
3935 if (!opts) {
3936 exit(1);
3937 }
3938 break;
3939 case QEMU_OPTION_prom_env:
3940 if (nb_prom_envs >= MAX_PROM_ENVS) {
3941 error_report("too many prom variables");
3942 exit(1);
3943 }
3944 prom_envs[nb_prom_envs] = optarg;
3945 nb_prom_envs++;
3946 break;
3947 case QEMU_OPTION_old_param:
3948 old_param = 1;
3949 break;
3950 case QEMU_OPTION_clock:
3951 /* Clock options no longer exist. Keep this option for
3952 * backward compatibility.
3953 */
3954 break;
3955 case QEMU_OPTION_startdate:
3956 configure_rtc_date_offset(optarg, 1);
3957 break;
3958 case QEMU_OPTION_rtc:
3959 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3960 false);
3961 if (!opts) {
3962 exit(1);
3963 }
3964 configure_rtc(opts);
3965 break;
3966 case QEMU_OPTION_tb_size:
3967 #ifndef CONFIG_TCG
3968 error_report("TCG is disabled");
3969 exit(1);
3970 #endif
3971 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3972 error_report("Invalid argument to -tb-size");
3973 exit(1);
3974 }
3975 break;
3976 case QEMU_OPTION_icount:
3977 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3978 optarg, true);
3979 if (!icount_opts) {
3980 exit(1);
3981 }
3982 break;
3983 case QEMU_OPTION_incoming:
3984 if (!incoming) {
3985 runstate_set(RUN_STATE_INMIGRATE);
3986 }
3987 incoming = optarg;
3988 break;
3989 case QEMU_OPTION_only_migratable:
3990 /*
3991 * TODO: we can remove this option one day, and we
3992 * should all use:
3993 *
3994 * "-global migration.only-migratable=true"
3995 */
3996 qemu_global_option("migration.only-migratable=true");
3997 break;
3998 case QEMU_OPTION_nodefaults:
3999 has_defaults = 0;
4000 break;
4001 case QEMU_OPTION_xen_domid:
4002 if (!(xen_available())) {
4003 error_report("Option not supported for this target");
4004 exit(1);
4005 }
4006 xen_domid = atoi(optarg);
4007 break;
4008 case QEMU_OPTION_xen_create:
4009 if (!(xen_available())) {
4010 error_report("Option not supported for this target");
4011 exit(1);
4012 }
4013 xen_mode = XEN_CREATE;
4014 break;
4015 case QEMU_OPTION_xen_attach:
4016 if (!(xen_available())) {
4017 error_report("Option not supported for this target");
4018 exit(1);
4019 }
4020 xen_mode = XEN_ATTACH;
4021 break;
4022 case QEMU_OPTION_xen_domid_restrict:
4023 if (!(xen_available())) {
4024 error_report("Option not supported for this target");
4025 exit(1);
4026 }
4027 xen_domid_restrict = true;
4028 break;
4029 case QEMU_OPTION_trace:
4030 g_free(trace_file);
4031 trace_file = trace_opt_parse(optarg);
4032 break;
4033 case QEMU_OPTION_readconfig:
4034 {
4035 int ret = qemu_read_config_file(optarg);
4036 if (ret < 0) {
4037 error_report("read config %s: %s", optarg,
4038 strerror(-ret));
4039 exit(1);
4040 }
4041 break;
4042 }
4043 case QEMU_OPTION_spice:
4044 olist = qemu_find_opts("spice");
4045 if (!olist) {
4046 error_report("spice support is disabled");
4047 exit(1);
4048 }
4049 opts = qemu_opts_parse_noisily(olist, optarg, false);
4050 if (!opts) {
4051 exit(1);
4052 }
4053 display_remote++;
4054 break;
4055 case QEMU_OPTION_writeconfig:
4056 {
4057 FILE *fp;
4058 if (strcmp(optarg, "-") == 0) {
4059 fp = stdout;
4060 } else {
4061 fp = fopen(optarg, "w");
4062 if (fp == NULL) {
4063 error_report("open %s: %s", optarg,
4064 strerror(errno));
4065 exit(1);
4066 }
4067 }
4068 qemu_config_write(fp);
4069 if (fp != stdout) {
4070 fclose(fp);
4071 }
4072 break;
4073 }
4074 case QEMU_OPTION_qtest:
4075 qtest_chrdev = optarg;
4076 break;
4077 case QEMU_OPTION_qtest_log:
4078 qtest_log = optarg;
4079 break;
4080 case QEMU_OPTION_sandbox:
4081 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4082 optarg, true);
4083 if (!opts) {
4084 exit(1);
4085 }
4086 break;
4087 case QEMU_OPTION_add_fd:
4088 #ifndef _WIN32
4089 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4090 optarg, false);
4091 if (!opts) {
4092 exit(1);
4093 }
4094 #else
4095 error_report("File descriptor passing is disabled on this "
4096 "platform");
4097 exit(1);
4098 #endif
4099 break;
4100 case QEMU_OPTION_object:
4101 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4102 optarg, true);
4103 if (!opts) {
4104 exit(1);
4105 }
4106 break;
4107 case QEMU_OPTION_realtime:
4108 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4109 optarg, false);
4110 if (!opts) {
4111 exit(1);
4112 }
4113 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4114 break;
4115 case QEMU_OPTION_msg:
4116 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4117 false);
4118 if (!opts) {
4119 exit(1);
4120 }
4121 configure_msg(opts);
4122 break;
4123 case QEMU_OPTION_dump_vmstate:
4124 if (vmstate_dump_file) {
4125 error_report("only one '-dump-vmstate' "
4126 "option may be given");
4127 exit(1);
4128 }
4129 vmstate_dump_file = fopen(optarg, "w");
4130 if (vmstate_dump_file == NULL) {
4131 error_report("open %s: %s", optarg, strerror(errno));
4132 exit(1);
4133 }
4134 break;
4135 default:
4136 os_parse_cmd_args(popt->index, optarg);
4137 }
4138 }
4139 }
4140 /*
4141 * Clear error location left behind by the loop.
4142 * Best done right after the loop. Do not insert code here!
4143 */
4144 loc_set_none();
4145
4146 replay_configure(icount_opts);
4147
4148 machine_class = select_machine();
4149
4150 set_memory_options(&ram_slots, &maxram_size, machine_class);
4151
4152 os_daemonize();
4153 rcu_disable_atfork();
4154
4155 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4156 error_report("could not acquire pid file: %s", strerror(errno));
4157 exit(1);
4158 }
4159
4160 if (qemu_init_main_loop(&main_loop_err)) {
4161 error_report_err(main_loop_err);
4162 exit(1);
4163 }
4164
4165 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4166 parse_sandbox, NULL, NULL)) {
4167 exit(1);
4168 }
4169
4170 if (qemu_opts_foreach(qemu_find_opts("name"),
4171 parse_name, NULL, NULL)) {
4172 exit(1);
4173 }
4174
4175 #ifndef _WIN32
4176 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4177 parse_add_fd, NULL, NULL)) {
4178 exit(1);
4179 }
4180
4181 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4182 cleanup_add_fd, NULL, NULL)) {
4183 exit(1);
4184 }
4185 #endif
4186
4187 current_machine = MACHINE(object_new(object_class_get_name(
4188 OBJECT_CLASS(machine_class))));
4189 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4190 exit(0);
4191 }
4192 object_property_add_child(object_get_root(), "machine",
4193 OBJECT(current_machine), &error_abort);
4194
4195 if (machine_class->minimum_page_bits) {
4196 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4197 /* This would be a board error: specifying a minimum smaller than
4198 * a target's compile-time fixed setting.
4199 */
4200 g_assert_not_reached();
4201 }
4202 }
4203
4204 cpu_exec_init_all();
4205
4206 if (machine_class->hw_version) {
4207 qemu_set_hw_version(machine_class->hw_version);
4208 }
4209
4210 if (cpu_model && is_help_option(cpu_model)) {
4211 list_cpus(stdout, &fprintf, cpu_model);
4212 exit(0);
4213 }
4214
4215 if (!trace_init_backends()) {
4216 exit(1);
4217 }
4218 trace_init_file(trace_file);
4219
4220 /* Open the logfile at this point and set the log mask if necessary.
4221 */
4222 if (log_file) {
4223 qemu_set_log_filename(log_file, &error_fatal);
4224 }
4225
4226 if (log_mask) {
4227 int mask;
4228 mask = qemu_str_to_log_mask(log_mask);
4229 if (!mask) {
4230 qemu_print_log_usage(stdout);
4231 exit(1);
4232 }
4233 qemu_set_log(mask);
4234 } else {
4235 qemu_set_log(0);
4236 }
4237
4238 /* If no data_dir is specified then try to find it relative to the
4239 executable path. */
4240 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4241 data_dir[data_dir_idx] = os_find_datadir();
4242 if (data_dir[data_dir_idx] != NULL) {
4243 data_dir_idx++;
4244 }
4245 }
4246 /* If all else fails use the install path specified when building. */
4247 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4248 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4249 }
4250
4251 /* -L help lists the data directories and exits. */
4252 if (list_data_dirs) {
4253 for (i = 0; i < data_dir_idx; i++) {
4254 printf("%s\n", data_dir[i]);
4255 }
4256 exit(0);
4257 }
4258
4259 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4260
4261 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4262 if (max_cpus > machine_class->max_cpus) {
4263 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4264 "supported by machine '%s' (%d)", max_cpus,
4265 machine_class->name, machine_class->max_cpus);
4266 exit(1);
4267 }
4268
4269 /*
4270 * Get the default machine options from the machine if it is not already
4271 * specified either by the configuration file or by the command line.
4272 */
4273 if (machine_class->default_machine_opts) {
4274 qemu_opts_set_defaults(qemu_find_opts("machine"),
4275 machine_class->default_machine_opts, 0);
4276 }
4277
4278 qemu_opts_foreach(qemu_find_opts("device"),
4279 default_driver_check, NULL, NULL);
4280 qemu_opts_foreach(qemu_find_opts("global"),
4281 default_driver_check, NULL, NULL);
4282
4283 if (!vga_model && !default_vga) {
4284 vga_interface_type = VGA_DEVICE;
4285 }
4286 if (!has_defaults || machine_class->no_serial) {
4287 default_serial = 0;
4288 }
4289 if (!has_defaults || machine_class->no_parallel) {
4290 default_parallel = 0;
4291 }
4292 if (!has_defaults || !machine_class->use_virtcon) {
4293 default_virtcon = 0;
4294 }
4295 if (!has_defaults || !machine_class->use_sclp) {
4296 default_sclp = 0;
4297 }
4298 if (!has_defaults || machine_class->no_floppy) {
4299 default_floppy = 0;
4300 }
4301 if (!has_defaults || machine_class->no_cdrom) {
4302 default_cdrom = 0;
4303 }
4304 if (!has_defaults || machine_class->no_sdcard) {
4305 default_sdcard = 0;
4306 }
4307 if (!has_defaults) {
4308 default_monitor = 0;
4309 default_net = 0;
4310 default_vga = 0;
4311 }
4312
4313 if (is_daemonized()) {
4314 /* According to documentation and historically, -nographic redirects
4315 * serial port, parallel port and monitor to stdio, which does not work
4316 * with -daemonize. We can redirect these to null instead, but since
4317 * -nographic is legacy, let's just error out.
4318 * We disallow -nographic only if all other ports are not redirected
4319 * explicitly, to not break existing legacy setups which uses
4320 * -nographic _and_ redirects all ports explicitly - this is valid
4321 * usage, -nographic is just a no-op in this case.
4322 */
4323 if (nographic
4324 && (default_parallel || default_serial
4325 || default_monitor || default_virtcon)) {
4326 error_report("-nographic cannot be used with -daemonize");
4327 exit(1);
4328 }
4329 #ifdef CONFIG_CURSES
4330 if (display_type == DT_CURSES) {
4331 error_report("curses display cannot be used with -daemonize");
4332 exit(1);
4333 }
4334 #endif
4335 }
4336
4337 if (nographic) {
4338 if (default_parallel)
4339 add_device_config(DEV_PARALLEL, "null");
4340 if (default_serial && default_monitor) {
4341 add_device_config(DEV_SERIAL, "mon:stdio");
4342 } else if (default_virtcon && default_monitor) {
4343 add_device_config(DEV_VIRTCON, "mon:stdio");
4344 } else if (default_sclp && default_monitor) {
4345 add_device_config(DEV_SCLP, "mon:stdio");
4346 } else {
4347 if (default_serial)
4348 add_device_config(DEV_SERIAL, "stdio");
4349 if (default_virtcon)
4350 add_device_config(DEV_VIRTCON, "stdio");
4351 if (default_sclp) {
4352 add_device_config(DEV_SCLP, "stdio");
4353 }
4354 if (default_monitor)
4355 monitor_parse("stdio", "readline", false);
4356 }
4357 } else {
4358 if (default_serial)
4359 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4360 if (default_parallel)
4361 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4362 if (default_monitor)
4363 monitor_parse("vc:80Cx24C", "readline", false);
4364 if (default_virtcon)
4365 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4366 if (default_sclp) {
4367 add_device_config(DEV_SCLP, "vc:80Cx24C");
4368 }
4369 }
4370
4371 #if defined(CONFIG_VNC)
4372 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4373 display_remote++;
4374 }
4375 #endif
4376 if (display_type == DT_DEFAULT && !display_remote) {
4377 #if defined(CONFIG_GTK)
4378 display_type = DT_GTK;
4379 #elif defined(CONFIG_SDL)
4380 display_type = DT_SDL;
4381 #elif defined(CONFIG_COCOA)
4382 display_type = DT_COCOA;
4383 #elif defined(CONFIG_VNC)
4384 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4385 #else
4386 display_type = DT_NONE;
4387 #endif
4388 }
4389
4390 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4391 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4392 "for SDL, ignoring option");
4393 }
4394 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4395 error_report("-no-quit is only valid for GTK and SDL, "
4396 "ignoring option");
4397 }
4398
4399 if (display_type == DT_GTK) {
4400 early_gtk_display_init(request_opengl);
4401 }
4402
4403 if (display_type == DT_SDL) {
4404 sdl_display_early_init(request_opengl);
4405 }
4406
4407 qemu_console_early_init();
4408
4409 if (request_opengl == 1 && display_opengl == 0) {
4410 #if defined(CONFIG_OPENGL)
4411 error_report("OpenGL is not supported by the display");
4412 #else
4413 error_report("OpenGL support is disabled");
4414 #endif
4415 exit(1);
4416 }
4417
4418 page_size_init();
4419 socket_init();
4420
4421 if (qemu_opts_foreach(qemu_find_opts("object"),
4422 user_creatable_add_opts_foreach,
4423 object_create_initial, NULL)) {
4424 exit(1);
4425 }
4426
4427 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4428 chardev_init_func, NULL, NULL)) {
4429 exit(1);
4430 }
4431
4432 #ifdef CONFIG_VIRTFS
4433 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4434 fsdev_init_func, NULL, NULL)) {
4435 exit(1);
4436 }
4437 #endif
4438
4439 if (qemu_opts_foreach(qemu_find_opts("device"),
4440 device_help_func, NULL, NULL)) {
4441 exit(0);
4442 }
4443
4444 machine_opts = qemu_get_machine_opts();
4445 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4446 NULL)) {
4447 object_unref(OBJECT(current_machine));
4448 exit(1);
4449 }
4450
4451 configure_accelerator(current_machine);
4452
4453 /*
4454 * Register all the global properties, including accel properties,
4455 * machine properties, and user-specified ones.
4456 */
4457 register_global_properties(current_machine);
4458
4459 /*
4460 * Migration object can only be created after global properties
4461 * are applied correctly.
4462 */
4463 migration_object_init();
4464
4465 if (qtest_chrdev) {
4466 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4467 }
4468
4469 machine_opts = qemu_get_machine_opts();
4470 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4471 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4472 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4473 bios_name = qemu_opt_get(machine_opts, "firmware");
4474
4475 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4476 if (opts) {
4477 boot_order = qemu_opt_get(opts, "order");
4478 if (boot_order) {
4479 validate_bootdevices(boot_order, &error_fatal);
4480 }
4481
4482 boot_once = qemu_opt_get(opts, "once");
4483 if (boot_once) {
4484 validate_bootdevices(boot_once, &error_fatal);
4485 }
4486
4487 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4488 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4489 }
4490
4491 if (!boot_order) {
4492 boot_order = machine_class->default_boot_order;
4493 }
4494
4495 if (!kernel_cmdline) {
4496 kernel_cmdline = "";
4497 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4498 }
4499
4500 linux_boot = (kernel_filename != NULL);
4501
4502 if (!linux_boot && *kernel_cmdline != '\0') {
4503 error_report("-append only allowed with -kernel option");
4504 exit(1);
4505 }
4506
4507 if (!linux_boot && initrd_filename != NULL) {
4508 error_report("-initrd only allowed with -kernel option");
4509 exit(1);
4510 }
4511
4512 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4513 /* fall back to the -kernel/-append */
4514 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4515 }
4516
4517 os_set_line_buffering();
4518
4519 /* spice needs the timers to be initialized by this point */
4520 qemu_spice_init();
4521
4522 cpu_ticks_init();
4523 if (icount_opts) {
4524 if (!tcg_enabled()) {
4525 error_report("-icount is not allowed with hardware virtualization");
4526 exit(1);
4527 }
4528 configure_icount(icount_opts, &error_abort);
4529 qemu_opts_del(icount_opts);
4530 }
4531
4532 if (tcg_enabled()) {
4533 qemu_tcg_configure(accel_opts, &error_fatal);
4534 }
4535
4536 if (default_net) {
4537 QemuOptsList *net = qemu_find_opts("net");
4538 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4539 #ifdef CONFIG_SLIRP
4540 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4541 #endif
4542 }
4543
4544 colo_info_init();
4545
4546 if (net_init_clients() < 0) {
4547 exit(1);
4548 }
4549
4550 if (qemu_opts_foreach(qemu_find_opts("object"),
4551 user_creatable_add_opts_foreach,
4552 object_create_delayed, NULL)) {
4553 exit(1);
4554 }
4555
4556 #ifdef CONFIG_TPM
4557 if (tpm_init() < 0) {
4558 exit(1);
4559 }
4560 #endif
4561
4562 /* init the bluetooth world */
4563 if (foreach_device_config(DEV_BT, bt_parse))
4564 exit(1);
4565
4566 if (!xen_enabled()) {
4567 /* On 32-bit hosts, QEMU is limited by virtual address space */
4568 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4569 error_report("at most 2047 MB RAM can be simulated");
4570 exit(1);
4571 }
4572 }
4573
4574 blk_mig_init();
4575 ram_mig_init();
4576
4577 /* If the currently selected machine wishes to override the units-per-bus
4578 * property of its default HBA interface type, do so now. */
4579 if (machine_class->units_per_default_bus) {
4580 override_max_devs(machine_class->block_default_type,
4581 machine_class->units_per_default_bus);
4582 }
4583
4584 /* open the virtual block devices */
4585 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4586 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4587
4588 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4589 loc_push_restore(&bdo->loc);
4590 qmp_blockdev_add(bdo->bdo, &error_fatal);
4591 loc_pop(&bdo->loc);
4592 qapi_free_BlockdevOptions(bdo->bdo);
4593 g_free(bdo);
4594 }
4595 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4596 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4597 NULL, NULL);
4598 }
4599 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4600 &machine_class->block_default_type, NULL)) {
4601 exit(1);
4602 }
4603
4604 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4605 CDROM_OPTS);
4606 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4607 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4608
4609 parse_numa_opts(current_machine);
4610
4611 if (qemu_opts_foreach(qemu_find_opts("mon"),
4612 mon_init_func, NULL, NULL)) {
4613 exit(1);
4614 }
4615
4616 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4617 exit(1);
4618 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4619 exit(1);
4620 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4621 exit(1);
4622 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4623 exit(1);
4624 }
4625 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4626 exit(1);
4627
4628 /* If no default VGA is requested, the default is "none". */
4629 if (default_vga) {
4630 if (machine_class->default_display) {
4631 vga_model = machine_class->default_display;
4632 } else if (vga_interface_available(VGA_CIRRUS)) {
4633 vga_model = "cirrus";
4634 } else if (vga_interface_available(VGA_STD)) {
4635 vga_model = "std";
4636 }
4637 }
4638 if (vga_model) {
4639 select_vgahw(vga_model);
4640 }
4641
4642 if (watchdog) {
4643 i = select_watchdog(watchdog);
4644 if (i > 0)
4645 exit (i == 1 ? 1 : 0);
4646 }
4647
4648 /* This checkpoint is required by replay to separate prior clock
4649 reading from the other reads, because timer polling functions query
4650 clock values from the log. */
4651 replay_checkpoint(CHECKPOINT_INIT);
4652 qdev_machine_init();
4653
4654 current_machine->ram_size = ram_size;
4655 current_machine->maxram_size = maxram_size;
4656 current_machine->ram_slots = ram_slots;
4657 current_machine->boot_order = boot_order;
4658 current_machine->cpu_model = cpu_model;
4659
4660 machine_run_board_init(current_machine);
4661
4662 realtime_init();
4663
4664 soundhw_init();
4665
4666 if (hax_enabled()) {
4667 hax_sync_vcpus();
4668 }
4669
4670 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4671 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4672 exit(1);
4673 }
4674
4675 /* init USB devices */
4676 if (machine_usb(current_machine)) {
4677 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4678 exit(1);
4679 }
4680
4681 /* Check if IGD GFX passthrough. */
4682 igd_gfx_passthru();
4683
4684 /* init generic devices */
4685 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4686 if (qemu_opts_foreach(qemu_find_opts("device"),
4687 device_init_func, NULL, NULL)) {
4688 exit(1);
4689 }
4690
4691 cpu_synchronize_all_post_init();
4692
4693 rom_reset_order_override();
4694
4695 /*
4696 * Create frontends for -drive if=scsi leftovers.
4697 * Normally, frontends for -drive get created by machine
4698 * initialization for onboard SCSI HBAs. However, we create a few
4699 * more ever since SCSI qdevification, but this is pretty much an
4700 * implementation accident, and deprecated.
4701 */
4702 scsi_legacy_handle_cmdline();
4703
4704 /* Did we create any drives that we failed to create a device for? */
4705 drive_check_orphaned();
4706
4707 /* Don't warn about the default network setup that you get if
4708 * no command line -net or -netdev options are specified. There
4709 * are two cases that we would otherwise complain about:
4710 * (1) board doesn't support a NIC but the implicit "-net nic"
4711 * requested one
4712 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4713 * sets up a nic that isn't connected to anything.
4714 */
4715 if (!default_net) {
4716 net_check_clients();
4717 }
4718
4719
4720 if (boot_once) {
4721 qemu_boot_set(boot_once, &error_fatal);
4722 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4723 }
4724
4725 ds = init_displaystate();
4726
4727 /* init local displays */
4728 switch (display_type) {
4729 case DT_CURSES:
4730 curses_display_init(ds, full_screen);
4731 break;
4732 case DT_SDL:
4733 sdl_display_init(ds, full_screen, no_frame);
4734 break;
4735 case DT_COCOA:
4736 cocoa_display_init(ds, full_screen);
4737 break;
4738 case DT_GTK:
4739 gtk_display_init(ds, full_screen, grab_on_hover);
4740 break;
4741 default:
4742 break;
4743 }
4744
4745 /* must be after terminal init, SDL library changes signal handlers */
4746 os_setup_signal_handling();
4747
4748 /* init remote displays */
4749 #ifdef CONFIG_VNC
4750 qemu_opts_foreach(qemu_find_opts("vnc"),
4751 vnc_init_func, NULL, NULL);
4752 #endif
4753
4754 if (using_spice) {
4755 qemu_spice_display_init();
4756 }
4757
4758 #ifdef CONFIG_OPENGL_DMABUF
4759 if (display_type == DT_EGL) {
4760 egl_headless_init();
4761 }
4762 #endif
4763
4764 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4765 exit(1);
4766 }
4767
4768 qdev_machine_creation_done();
4769
4770 /* TODO: once all bus devices are qdevified, this should be done
4771 * when bus is created by qdev.c */
4772 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4773 qemu_run_machine_init_done_notifiers();
4774
4775 if (rom_check_and_register_reset() != 0) {
4776 error_report("rom check and register reset failed");
4777 exit(1);
4778 }
4779
4780 replay_start();
4781
4782 /* This checkpoint is required by replay to separate prior clock
4783 reading from the other reads, because timer polling functions query
4784 clock values from the log. */
4785 replay_checkpoint(CHECKPOINT_RESET);
4786 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4787 register_global_state();
4788 if (replay_mode != REPLAY_MODE_NONE) {
4789 replay_vmstate_init();
4790 } else if (loadvm) {
4791 Error *local_err = NULL;
4792 if (load_snapshot(loadvm, &local_err) < 0) {
4793 error_report_err(local_err);
4794 autostart = 0;
4795 }
4796 }
4797
4798 qdev_prop_check_globals();
4799 if (vmstate_dump_file) {
4800 /* dump and exit */
4801 dump_vmstate_json_to_file(vmstate_dump_file);
4802 return 0;
4803 }
4804
4805 if (incoming) {
4806 Error *local_err = NULL;
4807 qemu_start_incoming_migration(incoming, &local_err);
4808 if (local_err) {
4809 error_reportf_err(local_err, "-incoming %s: ", incoming);
4810 exit(1);
4811 }
4812 } else if (autostart) {
4813 vm_start();
4814 }
4815
4816 os_setup_post();
4817
4818 main_loop();
4819 replay_disable_events();
4820 iothread_stop_all();
4821
4822 pause_all_vcpus();
4823 bdrv_close_all();
4824 res_free();
4825
4826 /* vhost-user must be cleaned up before chardevs. */
4827 net_cleanup();
4828 audio_cleanup();
4829 monitor_cleanup();
4830 qemu_chr_cleanup();
4831 /* TODO: unref root container, check all devices are ok */
4832
4833 return 0;
4834 }
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