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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.10-20170809' into staging
[qemu.git] / vl.c
blob8e247cc2a239ae8fb3d3cdf6d4ee78fd723d1053
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 { /* end of list */ }
275 },
276 };
277
278 static QemuOptsList qemu_option_rom_opts = {
279 .name = "option-rom",
280 .implied_opt_name = "romfile",
281 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
282 .desc = {
283 {
284 .name = "bootindex",
285 .type = QEMU_OPT_NUMBER,
286 }, {
287 .name = "romfile",
288 .type = QEMU_OPT_STRING,
289 },
290 { /* end of list */ }
291 },
292 };
293
294 static QemuOptsList qemu_machine_opts = {
295 .name = "machine",
296 .implied_opt_name = "type",
297 .merge_lists = true,
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
299 .desc = {
300 /*
301 * no elements => accept any
302 * sanity checking will happen later
303 * when setting machine properties
304 */
305 { }
306 },
307 };
308
309 static QemuOptsList qemu_accel_opts = {
310 .name = "accel",
311 .implied_opt_name = "accel",
312 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
313 .merge_lists = true,
314 .desc = {
315 {
316 .name = "accel",
317 .type = QEMU_OPT_STRING,
318 .help = "Select the type of accelerator",
319 },
320 {
321 .name = "thread",
322 .type = QEMU_OPT_STRING,
323 .help = "Enable/disable multi-threaded TCG",
324 },
325 { /* end of list */ }
326 },
327 };
328
329 static QemuOptsList qemu_boot_opts = {
330 .name = "boot-opts",
331 .implied_opt_name = "order",
332 .merge_lists = true,
333 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
334 .desc = {
335 {
336 .name = "order",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "once",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "menu",
343 .type = QEMU_OPT_BOOL,
344 }, {
345 .name = "splash",
346 .type = QEMU_OPT_STRING,
347 }, {
348 .name = "splash-time",
349 .type = QEMU_OPT_STRING,
350 }, {
351 .name = "reboot-timeout",
352 .type = QEMU_OPT_STRING,
353 }, {
354 .name = "strict",
355 .type = QEMU_OPT_BOOL,
356 },
357 { /*End of list */ }
358 },
359 };
360
361 static QemuOptsList qemu_add_fd_opts = {
362 .name = "add-fd",
363 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
364 .desc = {
365 {
366 .name = "fd",
367 .type = QEMU_OPT_NUMBER,
368 .help = "file descriptor of which a duplicate is added to fd set",
369 },{
370 .name = "set",
371 .type = QEMU_OPT_NUMBER,
372 .help = "ID of the fd set to add fd to",
373 },{
374 .name = "opaque",
375 .type = QEMU_OPT_STRING,
376 .help = "free-form string used to describe fd",
377 },
378 { /* end of list */ }
379 },
380 };
381
382 static QemuOptsList qemu_object_opts = {
383 .name = "object",
384 .implied_opt_name = "qom-type",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
386 .desc = {
387 { }
388 },
389 };
390
391 static QemuOptsList qemu_tpmdev_opts = {
392 .name = "tpmdev",
393 .implied_opt_name = "type",
394 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
395 .desc = {
396 /* options are defined in the TPM backends */
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_realtime_opts = {
402 .name = "realtime",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
404 .desc = {
405 {
406 .name = "mlock",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_msg_opts = {
414 .name = "msg",
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
416 .desc = {
417 {
418 .name = "timestamp",
419 .type = QEMU_OPT_BOOL,
420 },
421 { /* end of list */ }
422 },
423 };
424
425 static QemuOptsList qemu_name_opts = {
426 .name = "name",
427 .implied_opt_name = "guest",
428 .merge_lists = true,
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
430 .desc = {
431 {
432 .name = "guest",
433 .type = QEMU_OPT_STRING,
434 .help = "Sets the name of the guest.\n"
435 "This name will be displayed in the SDL window caption.\n"
436 "The name will also be used for the VNC server",
437 }, {
438 .name = "process",
439 .type = QEMU_OPT_STRING,
440 .help = "Sets the name of the QEMU process, as shown in top etc",
441 }, {
442 .name = "debug-threads",
443 .type = QEMU_OPT_BOOL,
444 .help = "When enabled, name the individual threads; defaults off.\n"
445 "NOTE: The thread names are for debugging and not a\n"
446 "stable API.",
447 },
448 { /* End of list */ }
449 },
450 };
451
452 static QemuOptsList qemu_mem_opts = {
453 .name = "memory",
454 .implied_opt_name = "size",
455 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
456 .merge_lists = true,
457 .desc = {
458 {
459 .name = "size",
460 .type = QEMU_OPT_SIZE,
461 },
462 {
463 .name = "slots",
464 .type = QEMU_OPT_NUMBER,
465 },
466 {
467 .name = "maxmem",
468 .type = QEMU_OPT_SIZE,
469 },
470 { /* end of list */ }
471 },
472 };
473
474 static QemuOptsList qemu_icount_opts = {
475 .name = "icount",
476 .implied_opt_name = "shift",
477 .merge_lists = true,
478 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
479 .desc = {
480 {
481 .name = "shift",
482 .type = QEMU_OPT_STRING,
483 }, {
484 .name = "align",
485 .type = QEMU_OPT_BOOL,
486 }, {
487 .name = "sleep",
488 .type = QEMU_OPT_BOOL,
489 }, {
490 .name = "rr",
491 .type = QEMU_OPT_STRING,
492 }, {
493 .name = "rrfile",
494 .type = QEMU_OPT_STRING,
495 }, {
496 .name = "rrsnapshot",
497 .type = QEMU_OPT_STRING,
498 },
499 { /* end of list */ }
500 },
501 };
502
503 static QemuOptsList qemu_semihosting_config_opts = {
504 .name = "semihosting-config",
505 .implied_opt_name = "enable",
506 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
507 .desc = {
508 {
509 .name = "enable",
510 .type = QEMU_OPT_BOOL,
511 }, {
512 .name = "target",
513 .type = QEMU_OPT_STRING,
514 }, {
515 .name = "arg",
516 .type = QEMU_OPT_STRING,
517 },
518 { /* end of list */ }
519 },
520 };
521
522 static QemuOptsList qemu_fw_cfg_opts = {
523 .name = "fw_cfg",
524 .implied_opt_name = "name",
525 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
526 .desc = {
527 {
528 .name = "name",
529 .type = QEMU_OPT_STRING,
530 .help = "Sets the fw_cfg name of the blob to be inserted",
531 }, {
532 .name = "file",
533 .type = QEMU_OPT_STRING,
534 .help = "Sets the name of the file from which\n"
535 "the fw_cfg blob will be loaded",
536 }, {
537 .name = "string",
538 .type = QEMU_OPT_STRING,
539 .help = "Sets content of the blob to be inserted from a string",
540 },
541 { /* end of list */ }
542 },
543 };
544
545 /**
546 * Get machine options
547 *
548 * Returns: machine options (never null).
549 */
550 QemuOpts *qemu_get_machine_opts(void)
551 {
552 return qemu_find_opts_singleton("machine");
553 }
554
555 const char *qemu_get_vm_name(void)
556 {
557 return qemu_name;
558 }
559
560 static void res_free(void)
561 {
562 g_free(boot_splash_filedata);
563 boot_splash_filedata = NULL;
564 }
565
566 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
567 {
568 const char *driver = qemu_opt_get(opts, "driver");
569 int i;
570
571 if (!driver)
572 return 0;
573 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
574 if (strcmp(default_list[i].driver, driver) != 0)
575 continue;
576 *(default_list[i].flag) = 0;
577 }
578 return 0;
579 }
580
581 /***********************************************************/
582 /* QEMU state */
583
584 static RunState current_run_state = RUN_STATE_PRELAUNCH;
585
586 /* We use RUN_STATE__MAX but any invalid value will do */
587 static RunState vmstop_requested = RUN_STATE__MAX;
588 static QemuMutex vmstop_lock;
589
590 typedef struct {
591 RunState from;
592 RunState to;
593 } RunStateTransition;
594
595 static const RunStateTransition runstate_transitions_def[] = {
596 /* from -> to */
597 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
598 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
599 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
600
601 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
602 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
603 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
604 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
605 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
606 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
607 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
608 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
611 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
612 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
613
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
617
618 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
619 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
623 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
625 { RUN_STATE_PAUSED, RUN_STATE_COLO},
626
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
630
631 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
634
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
639
640 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
641 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
642
643 { RUN_STATE_COLO, RUN_STATE_RUNNING },
644
645 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
646 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
647 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
648 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
649 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
651 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
652 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
653 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
654 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
655 { RUN_STATE_RUNNING, RUN_STATE_COLO},
656
657 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
658
659 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
660 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
661 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
662
663 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
664 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
665 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
666 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
667 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
668 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
669
670 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
671 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
673 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
674
675 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
676 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
677 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
678
679 { RUN_STATE__MAX, RUN_STATE__MAX },
680 };
681
682 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
683
684 bool runstate_check(RunState state)
685 {
686 return current_run_state == state;
687 }
688
689 bool runstate_store(char *str, size_t size)
690 {
691 const char *state = RunState_lookup[current_run_state];
692 size_t len = strlen(state) + 1;
693
694 if (len > size) {
695 return false;
696 }
697 memcpy(str, state, len);
698 return true;
699 }
700
701 static void runstate_init(void)
702 {
703 const RunStateTransition *p;
704
705 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
706 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
707 runstate_valid_transitions[p->from][p->to] = true;
708 }
709
710 qemu_mutex_init(&vmstop_lock);
711 }
712
713 /* This function will abort() on invalid state transitions */
714 void runstate_set(RunState new_state)
715 {
716 assert(new_state < RUN_STATE__MAX);
717
718 if (current_run_state == new_state) {
719 return;
720 }
721
722 if (!runstate_valid_transitions[current_run_state][new_state]) {
723 error_report("invalid runstate transition: '%s' -> '%s'",
724 RunState_lookup[current_run_state],
725 RunState_lookup[new_state]);
726 abort();
727 }
728 trace_runstate_set(new_state);
729 current_run_state = new_state;
730 }
731
732 int runstate_is_running(void)
733 {
734 return runstate_check(RUN_STATE_RUNNING);
735 }
736
737 bool runstate_needs_reset(void)
738 {
739 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
740 runstate_check(RUN_STATE_SHUTDOWN);
741 }
742
743 StatusInfo *qmp_query_status(Error **errp)
744 {
745 StatusInfo *info = g_malloc0(sizeof(*info));
746
747 info->running = runstate_is_running();
748 info->singlestep = singlestep;
749 info->status = current_run_state;
750
751 return info;
752 }
753
754 bool qemu_vmstop_requested(RunState *r)
755 {
756 qemu_mutex_lock(&vmstop_lock);
757 *r = vmstop_requested;
758 vmstop_requested = RUN_STATE__MAX;
759 qemu_mutex_unlock(&vmstop_lock);
760 return *r < RUN_STATE__MAX;
761 }
762
763 void qemu_system_vmstop_request_prepare(void)
764 {
765 qemu_mutex_lock(&vmstop_lock);
766 }
767
768 void qemu_system_vmstop_request(RunState state)
769 {
770 vmstop_requested = state;
771 qemu_mutex_unlock(&vmstop_lock);
772 qemu_notify_event();
773 }
774
775 /***********************************************************/
776 /* real time host monotonic timer */
777
778 static time_t qemu_time(void)
779 {
780 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
781 }
782
783 /***********************************************************/
784 /* host time/date access */
785 void qemu_get_timedate(struct tm *tm, int offset)
786 {
787 time_t ti = qemu_time();
788
789 ti += offset;
790 if (rtc_date_offset == -1) {
791 if (rtc_utc)
792 gmtime_r(&ti, tm);
793 else
794 localtime_r(&ti, tm);
795 } else {
796 ti -= rtc_date_offset;
797 gmtime_r(&ti, tm);
798 }
799 }
800
801 int qemu_timedate_diff(struct tm *tm)
802 {
803 time_t seconds;
804
805 if (rtc_date_offset == -1)
806 if (rtc_utc)
807 seconds = mktimegm(tm);
808 else {
809 struct tm tmp = *tm;
810 tmp.tm_isdst = -1; /* use timezone to figure it out */
811 seconds = mktime(&tmp);
812 }
813 else
814 seconds = mktimegm(tm) + rtc_date_offset;
815
816 return seconds - qemu_time();
817 }
818
819 static void configure_rtc_date_offset(const char *startdate, int legacy)
820 {
821 time_t rtc_start_date;
822 struct tm tm;
823
824 if (!strcmp(startdate, "now") && legacy) {
825 rtc_date_offset = -1;
826 } else {
827 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
828 &tm.tm_year,
829 &tm.tm_mon,
830 &tm.tm_mday,
831 &tm.tm_hour,
832 &tm.tm_min,
833 &tm.tm_sec) == 6) {
834 /* OK */
835 } else if (sscanf(startdate, "%d-%d-%d",
836 &tm.tm_year,
837 &tm.tm_mon,
838 &tm.tm_mday) == 3) {
839 tm.tm_hour = 0;
840 tm.tm_min = 0;
841 tm.tm_sec = 0;
842 } else {
843 goto date_fail;
844 }
845 tm.tm_year -= 1900;
846 tm.tm_mon--;
847 rtc_start_date = mktimegm(&tm);
848 if (rtc_start_date == -1) {
849 date_fail:
850 error_report("invalid date format");
851 error_printf("valid formats: "
852 "'2006-06-17T16:01:21' or '2006-06-17'\n");
853 exit(1);
854 }
855 rtc_date_offset = qemu_time() - rtc_start_date;
856 }
857 }
858
859 static void configure_rtc(QemuOpts *opts)
860 {
861 const char *value;
862
863 value = qemu_opt_get(opts, "base");
864 if (value) {
865 if (!strcmp(value, "utc")) {
866 rtc_utc = 1;
867 } else if (!strcmp(value, "localtime")) {
868 Error *blocker = NULL;
869 rtc_utc = 0;
870 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
871 "-rtc base=localtime");
872 replay_add_blocker(blocker);
873 } else {
874 configure_rtc_date_offset(value, 0);
875 }
876 }
877 value = qemu_opt_get(opts, "clock");
878 if (value) {
879 if (!strcmp(value, "host")) {
880 rtc_clock = QEMU_CLOCK_HOST;
881 } else if (!strcmp(value, "rt")) {
882 rtc_clock = QEMU_CLOCK_REALTIME;
883 } else if (!strcmp(value, "vm")) {
884 rtc_clock = QEMU_CLOCK_VIRTUAL;
885 } else {
886 error_report("invalid option value '%s'", value);
887 exit(1);
888 }
889 }
890 value = qemu_opt_get(opts, "driftfix");
891 if (value) {
892 if (!strcmp(value, "slew")) {
893 static GlobalProperty slew_lost_ticks = {
894 .driver = "mc146818rtc",
895 .property = "lost_tick_policy",
896 .value = "slew",
897 };
898
899 qdev_prop_register_global(&slew_lost_ticks);
900 } else if (!strcmp(value, "none")) {
901 /* discard is default */
902 } else {
903 error_report("invalid option value '%s'", value);
904 exit(1);
905 }
906 }
907 }
908
909 /***********************************************************/
910 /* Bluetooth support */
911 static int nb_hcis;
912 static int cur_hci;
913 static struct HCIInfo *hci_table[MAX_NICS];
914
915 struct HCIInfo *qemu_next_hci(void)
916 {
917 if (cur_hci == nb_hcis)
918 return &null_hci;
919
920 return hci_table[cur_hci++];
921 }
922
923 static int bt_hci_parse(const char *str)
924 {
925 struct HCIInfo *hci;
926 bdaddr_t bdaddr;
927
928 if (nb_hcis >= MAX_NICS) {
929 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
930 return -1;
931 }
932
933 hci = hci_init(str);
934 if (!hci)
935 return -1;
936
937 bdaddr.b[0] = 0x52;
938 bdaddr.b[1] = 0x54;
939 bdaddr.b[2] = 0x00;
940 bdaddr.b[3] = 0x12;
941 bdaddr.b[4] = 0x34;
942 bdaddr.b[5] = 0x56 + nb_hcis;
943 hci->bdaddr_set(hci, bdaddr.b);
944
945 hci_table[nb_hcis++] = hci;
946
947 return 0;
948 }
949
950 static void bt_vhci_add(int vlan_id)
951 {
952 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
953
954 if (!vlan->slave)
955 warn_report("adding a VHCI to an empty scatternet %i",
956 vlan_id);
957
958 bt_vhci_init(bt_new_hci(vlan));
959 }
960
961 static struct bt_device_s *bt_device_add(const char *opt)
962 {
963 struct bt_scatternet_s *vlan;
964 int vlan_id = 0;
965 char *endp = strstr(opt, ",vlan=");
966 int len = (endp ? endp - opt : strlen(opt)) + 1;
967 char devname[10];
968
969 pstrcpy(devname, MIN(sizeof(devname), len), opt);
970
971 if (endp) {
972 vlan_id = strtol(endp + 6, &endp, 0);
973 if (*endp) {
974 error_report("unrecognised bluetooth vlan Id");
975 return 0;
976 }
977 }
978
979 vlan = qemu_find_bt_vlan(vlan_id);
980
981 if (!vlan->slave)
982 warn_report("adding a slave device to an empty scatternet %i",
983 vlan_id);
984
985 if (!strcmp(devname, "keyboard"))
986 return bt_keyboard_init(vlan);
987
988 error_report("unsupported bluetooth device '%s'", devname);
989 return 0;
990 }
991
992 static int bt_parse(const char *opt)
993 {
994 const char *endp, *p;
995 int vlan;
996
997 if (strstart(opt, "hci", &endp)) {
998 if (!*endp || *endp == ',') {
999 if (*endp)
1000 if (!strstart(endp, ",vlan=", 0))
1001 opt = endp + 1;
1002
1003 return bt_hci_parse(opt);
1004 }
1005 } else if (strstart(opt, "vhci", &endp)) {
1006 if (!*endp || *endp == ',') {
1007 if (*endp) {
1008 if (strstart(endp, ",vlan=", &p)) {
1009 vlan = strtol(p, (char **) &endp, 0);
1010 if (*endp) {
1011 error_report("bad scatternet '%s'", p);
1012 return 1;
1013 }
1014 } else {
1015 error_report("bad parameter '%s'", endp + 1);
1016 return 1;
1017 }
1018 } else
1019 vlan = 0;
1020
1021 bt_vhci_add(vlan);
1022 return 0;
1023 }
1024 } else if (strstart(opt, "device:", &endp))
1025 return !bt_device_add(endp);
1026
1027 error_report("bad bluetooth parameter '%s'", opt);
1028 return 1;
1029 }
1030
1031 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1032 {
1033 /* FIXME: change this to true for 1.3 */
1034 if (qemu_opt_get_bool(opts, "enable", false)) {
1035 #ifdef CONFIG_SECCOMP
1036 if (seccomp_start() < 0) {
1037 error_report("failed to install seccomp syscall filter "
1038 "in the kernel");
1039 return -1;
1040 }
1041 #else
1042 error_report("seccomp support is disabled");
1043 return -1;
1044 #endif
1045 }
1046
1047 return 0;
1048 }
1049
1050 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1051 {
1052 const char *proc_name;
1053
1054 if (qemu_opt_get(opts, "debug-threads")) {
1055 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1056 }
1057 qemu_name = qemu_opt_get(opts, "guest");
1058
1059 proc_name = qemu_opt_get(opts, "process");
1060 if (proc_name) {
1061 os_set_proc_name(proc_name);
1062 }
1063
1064 return 0;
1065 }
1066
1067 bool defaults_enabled(void)
1068 {
1069 return has_defaults;
1070 }
1071
1072 #ifndef _WIN32
1073 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1074 {
1075 int fd, dupfd, flags;
1076 int64_t fdset_id;
1077 const char *fd_opaque = NULL;
1078 AddfdInfo *fdinfo;
1079
1080 fd = qemu_opt_get_number(opts, "fd", -1);
1081 fdset_id = qemu_opt_get_number(opts, "set", -1);
1082 fd_opaque = qemu_opt_get(opts, "opaque");
1083
1084 if (fd < 0) {
1085 error_report("fd option is required and must be non-negative");
1086 return -1;
1087 }
1088
1089 if (fd <= STDERR_FILENO) {
1090 error_report("fd cannot be a standard I/O stream");
1091 return -1;
1092 }
1093
1094 /*
1095 * All fds inherited across exec() necessarily have FD_CLOEXEC
1096 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1097 */
1098 flags = fcntl(fd, F_GETFD);
1099 if (flags == -1 || (flags & FD_CLOEXEC)) {
1100 error_report("fd is not valid or already in use");
1101 return -1;
1102 }
1103
1104 if (fdset_id < 0) {
1105 error_report("set option is required and must be non-negative");
1106 return -1;
1107 }
1108
1109 #ifdef F_DUPFD_CLOEXEC
1110 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1111 #else
1112 dupfd = dup(fd);
1113 if (dupfd != -1) {
1114 qemu_set_cloexec(dupfd);
1115 }
1116 #endif
1117 if (dupfd == -1) {
1118 error_report("error duplicating fd: %s", strerror(errno));
1119 return -1;
1120 }
1121
1122 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1123 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1124 &error_abort);
1125 g_free(fdinfo);
1126
1127 return 0;
1128 }
1129
1130 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1131 {
1132 int fd;
1133
1134 fd = qemu_opt_get_number(opts, "fd", -1);
1135 close(fd);
1136
1137 return 0;
1138 }
1139 #endif
1140
1141 /***********************************************************/
1142 /* QEMU Block devices */
1143
1144 #define HD_OPTS "media=disk"
1145 #define CDROM_OPTS "media=cdrom"
1146 #define FD_OPTS ""
1147 #define PFLASH_OPTS ""
1148 #define MTD_OPTS ""
1149 #define SD_OPTS ""
1150
1151 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1152 {
1153 BlockInterfaceType *block_default_type = opaque;
1154
1155 return drive_new(opts, *block_default_type) == NULL;
1156 }
1157
1158 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1159 {
1160 if (qemu_opt_get(opts, "snapshot") == NULL) {
1161 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1162 }
1163 return 0;
1164 }
1165
1166 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1167 int index, const char *optstr)
1168 {
1169 QemuOpts *opts;
1170 DriveInfo *dinfo;
1171
1172 if (!enable || drive_get_by_index(type, index)) {
1173 return;
1174 }
1175
1176 opts = drive_add(type, index, NULL, optstr);
1177 if (snapshot) {
1178 drive_enable_snapshot(NULL, opts, NULL);
1179 }
1180
1181 dinfo = drive_new(opts, type);
1182 if (!dinfo) {
1183 exit(1);
1184 }
1185 dinfo->is_default = true;
1186
1187 }
1188
1189 static QemuOptsList qemu_smp_opts = {
1190 .name = "smp-opts",
1191 .implied_opt_name = "cpus",
1192 .merge_lists = true,
1193 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1194 .desc = {
1195 {
1196 .name = "cpus",
1197 .type = QEMU_OPT_NUMBER,
1198 }, {
1199 .name = "sockets",
1200 .type = QEMU_OPT_NUMBER,
1201 }, {
1202 .name = "cores",
1203 .type = QEMU_OPT_NUMBER,
1204 }, {
1205 .name = "threads",
1206 .type = QEMU_OPT_NUMBER,
1207 }, {
1208 .name = "maxcpus",
1209 .type = QEMU_OPT_NUMBER,
1210 },
1211 { /*End of list */ }
1212 },
1213 };
1214
1215 static void smp_parse(QemuOpts *opts)
1216 {
1217 if (opts) {
1218 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1219 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1220 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1221 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1222
1223 /* compute missing values, prefer sockets over cores over threads */
1224 if (cpus == 0 || sockets == 0) {
1225 sockets = sockets > 0 ? sockets : 1;
1226 cores = cores > 0 ? cores : 1;
1227 threads = threads > 0 ? threads : 1;
1228 if (cpus == 0) {
1229 cpus = cores * threads * sockets;
1230 }
1231 } else if (cores == 0) {
1232 threads = threads > 0 ? threads : 1;
1233 cores = cpus / (sockets * threads);
1234 cores = cores > 0 ? cores : 1;
1235 } else if (threads == 0) {
1236 threads = cpus / (cores * sockets);
1237 threads = threads > 0 ? threads : 1;
1238 } else if (sockets * cores * threads < cpus) {
1239 error_report("cpu topology: "
1240 "sockets (%u) * cores (%u) * threads (%u) < "
1241 "smp_cpus (%u)",
1242 sockets, cores, threads, cpus);
1243 exit(1);
1244 }
1245
1246 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1247
1248 if (max_cpus < cpus) {
1249 error_report("maxcpus must be equal to or greater than smp");
1250 exit(1);
1251 }
1252
1253 if (sockets * cores * threads > max_cpus) {
1254 error_report("cpu topology: "
1255 "sockets (%u) * cores (%u) * threads (%u) > "
1256 "maxcpus (%u)",
1257 sockets, cores, threads, max_cpus);
1258 exit(1);
1259 }
1260
1261 smp_cpus = cpus;
1262 smp_cores = cores;
1263 smp_threads = threads;
1264 }
1265
1266 if (smp_cpus > 1) {
1267 Error *blocker = NULL;
1268 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1269 replay_add_blocker(blocker);
1270 }
1271 }
1272
1273 static void realtime_init(void)
1274 {
1275 if (enable_mlock) {
1276 if (os_mlock() < 0) {
1277 error_report("locking memory failed");
1278 exit(1);
1279 }
1280 }
1281 }
1282
1283
1284 static void configure_msg(QemuOpts *opts)
1285 {
1286 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1287 }
1288
1289 /***********************************************************/
1290 /* Semihosting */
1291
1292 typedef struct SemihostingConfig {
1293 bool enabled;
1294 SemihostingTarget target;
1295 const char **argv;
1296 int argc;
1297 const char *cmdline; /* concatenated argv */
1298 } SemihostingConfig;
1299
1300 static SemihostingConfig semihosting;
1301
1302 bool semihosting_enabled(void)
1303 {
1304 return semihosting.enabled;
1305 }
1306
1307 SemihostingTarget semihosting_get_target(void)
1308 {
1309 return semihosting.target;
1310 }
1311
1312 const char *semihosting_get_arg(int i)
1313 {
1314 if (i >= semihosting.argc) {
1315 return NULL;
1316 }
1317 return semihosting.argv[i];
1318 }
1319
1320 int semihosting_get_argc(void)
1321 {
1322 return semihosting.argc;
1323 }
1324
1325 const char *semihosting_get_cmdline(void)
1326 {
1327 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1328 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1329 }
1330 return semihosting.cmdline;
1331 }
1332
1333 static int add_semihosting_arg(void *opaque,
1334 const char *name, const char *val,
1335 Error **errp)
1336 {
1337 SemihostingConfig *s = opaque;
1338 if (strcmp(name, "arg") == 0) {
1339 s->argc++;
1340 /* one extra element as g_strjoinv() expects NULL-terminated array */
1341 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1342 s->argv[s->argc - 1] = val;
1343 s->argv[s->argc] = NULL;
1344 }
1345 return 0;
1346 }
1347
1348 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1349 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1350 {
1351 char *cmd_token;
1352
1353 /* argv[0] */
1354 add_semihosting_arg(&semihosting, "arg", file, NULL);
1355
1356 /* split -append and initialize argv[1..n] */
1357 cmd_token = strtok(g_strdup(cmd), " ");
1358 while (cmd_token) {
1359 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1360 cmd_token = strtok(NULL, " ");
1361 }
1362 }
1363
1364 /* Now we still need this for compatibility with XEN. */
1365 bool has_igd_gfx_passthru;
1366 static void igd_gfx_passthru(void)
1367 {
1368 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1369 }
1370
1371 /***********************************************************/
1372 /* USB devices */
1373
1374 static int usb_device_add(const char *devname)
1375 {
1376 USBDevice *dev = NULL;
1377 #ifndef CONFIG_LINUX
1378 const char *p;
1379 #endif
1380
1381 if (!machine_usb(current_machine)) {
1382 return -1;
1383 }
1384
1385 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1386 dev = usbdevice_create(devname);
1387 if (dev)
1388 goto done;
1389
1390 /* the other ones */
1391 #ifndef CONFIG_LINUX
1392 /* only the linux version is qdev-ified, usb-bsd still needs this */
1393 if (strstart(devname, "host:", &p)) {
1394 dev = usb_host_device_open(usb_bus_find(-1), p);
1395 }
1396 #endif
1397 if (!dev)
1398 return -1;
1399
1400 done:
1401 return 0;
1402 }
1403
1404 static int usb_device_del(const char *devname)
1405 {
1406 int bus_num, addr;
1407 const char *p;
1408
1409 if (strstart(devname, "host:", &p)) {
1410 return -1;
1411 }
1412
1413 if (!machine_usb(current_machine)) {
1414 return -1;
1415 }
1416
1417 p = strchr(devname, '.');
1418 if (!p)
1419 return -1;
1420 bus_num = strtoul(devname, NULL, 0);
1421 addr = strtoul(p + 1, NULL, 0);
1422
1423 return usb_device_delete_addr(bus_num, addr);
1424 }
1425
1426 static int usb_parse(const char *cmdline)
1427 {
1428 int r;
1429 r = usb_device_add(cmdline);
1430 if (r < 0) {
1431 error_report("could not add USB device '%s'", cmdline);
1432 }
1433 return r;
1434 }
1435
1436 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1437 {
1438 const char *devname = qdict_get_str(qdict, "devname");
1439
1440 error_report("usb_add is deprecated, please use device_add instead");
1441
1442 if (usb_device_add(devname) < 0) {
1443 error_report("could not add USB device '%s'", devname);
1444 }
1445 }
1446
1447 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1448 {
1449 const char *devname = qdict_get_str(qdict, "devname");
1450
1451 error_report("usb_del is deprecated, please use device_del instead");
1452
1453 if (usb_device_del(devname) < 0) {
1454 error_report("could not delete USB device '%s'", devname);
1455 }
1456 }
1457
1458 /***********************************************************/
1459 /* machine registration */
1460
1461 MachineState *current_machine;
1462
1463 static MachineClass *find_machine(const char *name)
1464 {
1465 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1466 MachineClass *mc = NULL;
1467
1468 for (el = machines; el; el = el->next) {
1469 MachineClass *temp = el->data;
1470
1471 if (!strcmp(temp->name, name)) {
1472 mc = temp;
1473 break;
1474 }
1475 if (temp->alias &&
1476 !strcmp(temp->alias, name)) {
1477 mc = temp;
1478 break;
1479 }
1480 }
1481
1482 g_slist_free(machines);
1483 return mc;
1484 }
1485
1486 MachineClass *find_default_machine(void)
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 (temp->is_default) {
1495 mc = temp;
1496 break;
1497 }
1498 }
1499
1500 g_slist_free(machines);
1501 return mc;
1502 }
1503
1504 MachineInfoList *qmp_query_machines(Error **errp)
1505 {
1506 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1507 MachineInfoList *mach_list = NULL;
1508
1509 for (el = machines; el; el = el->next) {
1510 MachineClass *mc = el->data;
1511 MachineInfoList *entry;
1512 MachineInfo *info;
1513
1514 info = g_malloc0(sizeof(*info));
1515 if (mc->is_default) {
1516 info->has_is_default = true;
1517 info->is_default = true;
1518 }
1519
1520 if (mc->alias) {
1521 info->has_alias = true;
1522 info->alias = g_strdup(mc->alias);
1523 }
1524
1525 info->name = g_strdup(mc->name);
1526 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1527 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1528
1529 entry = g_malloc0(sizeof(*entry));
1530 entry->value = info;
1531 entry->next = mach_list;
1532 mach_list = entry;
1533 }
1534
1535 g_slist_free(machines);
1536 return mach_list;
1537 }
1538
1539 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1540 {
1541 ObjectProperty *prop;
1542 ObjectPropertyIterator iter;
1543
1544 if (!qemu_opt_has_help_opt(opts)) {
1545 return 0;
1546 }
1547
1548 object_property_iter_init(&iter, OBJECT(machine));
1549 while ((prop = object_property_iter_next(&iter))) {
1550 if (!prop->set) {
1551 continue;
1552 }
1553
1554 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1555 prop->name, prop->type);
1556 if (prop->description) {
1557 error_printf(" (%s)\n", prop->description);
1558 } else {
1559 error_printf("\n");
1560 }
1561 }
1562
1563 return 1;
1564 }
1565
1566 /***********************************************************/
1567 /* main execution loop */
1568
1569 struct vm_change_state_entry {
1570 VMChangeStateHandler *cb;
1571 void *opaque;
1572 QLIST_ENTRY (vm_change_state_entry) entries;
1573 };
1574
1575 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1576
1577 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1578 void *opaque)
1579 {
1580 VMChangeStateEntry *e;
1581
1582 e = g_malloc0(sizeof (*e));
1583
1584 e->cb = cb;
1585 e->opaque = opaque;
1586 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1587 return e;
1588 }
1589
1590 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1591 {
1592 QLIST_REMOVE (e, entries);
1593 g_free (e);
1594 }
1595
1596 void vm_state_notify(int running, RunState state)
1597 {
1598 VMChangeStateEntry *e, *next;
1599
1600 trace_vm_state_notify(running, state);
1601
1602 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1603 e->cb(e->opaque, running, state);
1604 }
1605 }
1606
1607 static ShutdownCause reset_requested;
1608 static ShutdownCause shutdown_requested;
1609 static int shutdown_signal;
1610 static pid_t shutdown_pid;
1611 static int powerdown_requested;
1612 static int debug_requested;
1613 static int suspend_requested;
1614 static WakeupReason wakeup_reason;
1615 static NotifierList powerdown_notifiers =
1616 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1617 static NotifierList suspend_notifiers =
1618 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1619 static NotifierList wakeup_notifiers =
1620 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1621 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1622
1623 ShutdownCause qemu_shutdown_requested_get(void)
1624 {
1625 return shutdown_requested;
1626 }
1627
1628 ShutdownCause qemu_reset_requested_get(void)
1629 {
1630 return reset_requested;
1631 }
1632
1633 static int qemu_shutdown_requested(void)
1634 {
1635 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1636 }
1637
1638 static void qemu_kill_report(void)
1639 {
1640 if (!qtest_driver() && shutdown_signal) {
1641 if (shutdown_pid == 0) {
1642 /* This happens for eg ^C at the terminal, so it's worth
1643 * avoiding printing an odd message in that case.
1644 */
1645 error_report("terminating on signal %d", shutdown_signal);
1646 } else {
1647 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1648
1649 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1650 shutdown_signal, shutdown_pid,
1651 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1652 g_free(shutdown_cmd);
1653 }
1654 shutdown_signal = 0;
1655 }
1656 }
1657
1658 static ShutdownCause qemu_reset_requested(void)
1659 {
1660 ShutdownCause r = reset_requested;
1661
1662 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1663 reset_requested = SHUTDOWN_CAUSE_NONE;
1664 return r;
1665 }
1666 return SHUTDOWN_CAUSE_NONE;
1667 }
1668
1669 static int qemu_suspend_requested(void)
1670 {
1671 int r = suspend_requested;
1672 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1673 suspend_requested = 0;
1674 return r;
1675 }
1676 return false;
1677 }
1678
1679 static WakeupReason qemu_wakeup_requested(void)
1680 {
1681 return wakeup_reason;
1682 }
1683
1684 static int qemu_powerdown_requested(void)
1685 {
1686 int r = powerdown_requested;
1687 powerdown_requested = 0;
1688 return r;
1689 }
1690
1691 static int qemu_debug_requested(void)
1692 {
1693 int r = debug_requested;
1694 debug_requested = 0;
1695 return r;
1696 }
1697
1698 /*
1699 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1700 */
1701 void qemu_system_reset(ShutdownCause reason)
1702 {
1703 MachineClass *mc;
1704
1705 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1706
1707 cpu_synchronize_all_states();
1708
1709 if (mc && mc->reset) {
1710 mc->reset();
1711 } else {
1712 qemu_devices_reset();
1713 }
1714 if (reason) {
1715 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1716 &error_abort);
1717 }
1718 cpu_synchronize_all_post_reset();
1719 }
1720
1721 void qemu_system_guest_panicked(GuestPanicInformation *info)
1722 {
1723 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1724
1725 if (current_cpu) {
1726 current_cpu->crash_occurred = true;
1727 }
1728 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1729 !!info, info, &error_abort);
1730 vm_stop(RUN_STATE_GUEST_PANICKED);
1731 if (!no_shutdown) {
1732 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1733 !!info, info, &error_abort);
1734 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1735 }
1736
1737 if (info) {
1738 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1739 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1740 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1741 info->u.hyper_v.arg1,
1742 info->u.hyper_v.arg2,
1743 info->u.hyper_v.arg3,
1744 info->u.hyper_v.arg4,
1745 info->u.hyper_v.arg5);
1746 }
1747 qapi_free_GuestPanicInformation(info);
1748 }
1749 }
1750
1751 void qemu_system_reset_request(ShutdownCause reason)
1752 {
1753 if (no_reboot) {
1754 shutdown_requested = reason;
1755 } else {
1756 reset_requested = reason;
1757 }
1758 cpu_stop_current();
1759 qemu_notify_event();
1760 }
1761
1762 static void qemu_system_suspend(void)
1763 {
1764 pause_all_vcpus();
1765 notifier_list_notify(&suspend_notifiers, NULL);
1766 runstate_set(RUN_STATE_SUSPENDED);
1767 qapi_event_send_suspend(&error_abort);
1768 }
1769
1770 void qemu_system_suspend_request(void)
1771 {
1772 if (runstate_check(RUN_STATE_SUSPENDED)) {
1773 return;
1774 }
1775 suspend_requested = 1;
1776 cpu_stop_current();
1777 qemu_notify_event();
1778 }
1779
1780 void qemu_register_suspend_notifier(Notifier *notifier)
1781 {
1782 notifier_list_add(&suspend_notifiers, notifier);
1783 }
1784
1785 void qemu_system_wakeup_request(WakeupReason reason)
1786 {
1787 trace_system_wakeup_request(reason);
1788
1789 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1790 return;
1791 }
1792 if (!(wakeup_reason_mask & (1 << reason))) {
1793 return;
1794 }
1795 runstate_set(RUN_STATE_RUNNING);
1796 wakeup_reason = reason;
1797 qemu_notify_event();
1798 }
1799
1800 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1801 {
1802 if (enabled) {
1803 wakeup_reason_mask |= (1 << reason);
1804 } else {
1805 wakeup_reason_mask &= ~(1 << reason);
1806 }
1807 }
1808
1809 void qemu_register_wakeup_notifier(Notifier *notifier)
1810 {
1811 notifier_list_add(&wakeup_notifiers, notifier);
1812 }
1813
1814 void qemu_system_killed(int signal, pid_t pid)
1815 {
1816 shutdown_signal = signal;
1817 shutdown_pid = pid;
1818 no_shutdown = 0;
1819
1820 /* Cannot call qemu_system_shutdown_request directly because
1821 * we are in a signal handler.
1822 */
1823 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1824 qemu_notify_event();
1825 }
1826
1827 void qemu_system_shutdown_request(ShutdownCause reason)
1828 {
1829 trace_qemu_system_shutdown_request(reason);
1830 replay_shutdown_request(reason);
1831 shutdown_requested = reason;
1832 qemu_notify_event();
1833 }
1834
1835 static void qemu_system_powerdown(void)
1836 {
1837 qapi_event_send_powerdown(&error_abort);
1838 notifier_list_notify(&powerdown_notifiers, NULL);
1839 }
1840
1841 void qemu_system_powerdown_request(void)
1842 {
1843 trace_qemu_system_powerdown_request();
1844 powerdown_requested = 1;
1845 qemu_notify_event();
1846 }
1847
1848 void qemu_register_powerdown_notifier(Notifier *notifier)
1849 {
1850 notifier_list_add(&powerdown_notifiers, notifier);
1851 }
1852
1853 void qemu_system_debug_request(void)
1854 {
1855 debug_requested = 1;
1856 qemu_notify_event();
1857 }
1858
1859 static bool main_loop_should_exit(void)
1860 {
1861 RunState r;
1862 ShutdownCause request;
1863
1864 if (qemu_debug_requested()) {
1865 vm_stop(RUN_STATE_DEBUG);
1866 }
1867 if (qemu_suspend_requested()) {
1868 qemu_system_suspend();
1869 }
1870 request = qemu_shutdown_requested();
1871 if (request) {
1872 qemu_kill_report();
1873 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1874 &error_abort);
1875 if (no_shutdown) {
1876 vm_stop(RUN_STATE_SHUTDOWN);
1877 } else {
1878 return true;
1879 }
1880 }
1881 request = qemu_reset_requested();
1882 if (request) {
1883 pause_all_vcpus();
1884 qemu_system_reset(request);
1885 resume_all_vcpus();
1886 if (!runstate_check(RUN_STATE_RUNNING) &&
1887 !runstate_check(RUN_STATE_INMIGRATE)) {
1888 runstate_set(RUN_STATE_PRELAUNCH);
1889 }
1890 }
1891 if (qemu_wakeup_requested()) {
1892 pause_all_vcpus();
1893 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1894 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1895 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1896 resume_all_vcpus();
1897 qapi_event_send_wakeup(&error_abort);
1898 }
1899 if (qemu_powerdown_requested()) {
1900 qemu_system_powerdown();
1901 }
1902 if (qemu_vmstop_requested(&r)) {
1903 vm_stop(r);
1904 }
1905 return false;
1906 }
1907
1908 static void main_loop(void)
1909 {
1910 #ifdef CONFIG_PROFILER
1911 int64_t ti;
1912 #endif
1913 do {
1914 #ifdef CONFIG_PROFILER
1915 ti = profile_getclock();
1916 #endif
1917 main_loop_wait(false);
1918 #ifdef CONFIG_PROFILER
1919 dev_time += profile_getclock() - ti;
1920 #endif
1921 } while (!main_loop_should_exit());
1922 }
1923
1924 static void version(void)
1925 {
1926 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1927 QEMU_COPYRIGHT "\n");
1928 }
1929
1930 static void help(int exitcode)
1931 {
1932 version();
1933 printf("usage: %s [options] [disk_image]\n\n"
1934 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1935 error_get_progname());
1936
1937 #define QEMU_OPTIONS_GENERATE_HELP
1938 #include "qemu-options-wrapper.h"
1939
1940 printf("\nDuring emulation, the following keys are useful:\n"
1941 "ctrl-alt-f toggle full screen\n"
1942 "ctrl-alt-n switch to virtual console 'n'\n"
1943 "ctrl-alt toggle mouse and keyboard grab\n"
1944 "\n"
1945 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1946 "\n"
1947 QEMU_HELP_BOTTOM "\n");
1948
1949 exit(exitcode);
1950 }
1951
1952 #define HAS_ARG 0x0001
1953
1954 typedef struct QEMUOption {
1955 const char *name;
1956 int flags;
1957 int index;
1958 uint32_t arch_mask;
1959 } QEMUOption;
1960
1961 static const QEMUOption qemu_options[] = {
1962 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1963 #define QEMU_OPTIONS_GENERATE_OPTIONS
1964 #include "qemu-options-wrapper.h"
1965 { NULL },
1966 };
1967
1968 typedef struct VGAInterfaceInfo {
1969 const char *opt_name; /* option name */
1970 const char *name; /* human-readable name */
1971 /* Class names indicating that support is available.
1972 * If no class is specified, the interface is always available */
1973 const char *class_names[2];
1974 } VGAInterfaceInfo;
1975
1976 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1977 [VGA_NONE] = {
1978 .opt_name = "none",
1979 },
1980 [VGA_STD] = {
1981 .opt_name = "std",
1982 .name = "standard VGA",
1983 .class_names = { "VGA", "isa-vga" },
1984 },
1985 [VGA_CIRRUS] = {
1986 .opt_name = "cirrus",
1987 .name = "Cirrus VGA",
1988 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1989 },
1990 [VGA_VMWARE] = {
1991 .opt_name = "vmware",
1992 .name = "VMWare SVGA",
1993 .class_names = { "vmware-svga" },
1994 },
1995 [VGA_VIRTIO] = {
1996 .opt_name = "virtio",
1997 .name = "Virtio VGA",
1998 .class_names = { "virtio-vga" },
1999 },
2000 [VGA_QXL] = {
2001 .opt_name = "qxl",
2002 .name = "QXL VGA",
2003 .class_names = { "qxl-vga" },
2004 },
2005 [VGA_TCX] = {
2006 .opt_name = "tcx",
2007 .name = "TCX framebuffer",
2008 .class_names = { "SUNW,tcx" },
2009 },
2010 [VGA_CG3] = {
2011 .opt_name = "cg3",
2012 .name = "CG3 framebuffer",
2013 .class_names = { "cgthree" },
2014 },
2015 [VGA_XENFB] = {
2016 .opt_name = "xenfb",
2017 },
2018 };
2019
2020 static bool vga_interface_available(VGAInterfaceType t)
2021 {
2022 VGAInterfaceInfo *ti = &vga_interfaces[t];
2023
2024 assert(t < VGA_TYPE_MAX);
2025 return !ti->class_names[0] ||
2026 object_class_by_name(ti->class_names[0]) ||
2027 object_class_by_name(ti->class_names[1]);
2028 }
2029
2030 static void select_vgahw(const char *p)
2031 {
2032 const char *opts;
2033 int t;
2034
2035 assert(vga_interface_type == VGA_NONE);
2036 for (t = 0; t < VGA_TYPE_MAX; t++) {
2037 VGAInterfaceInfo *ti = &vga_interfaces[t];
2038 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2039 if (!vga_interface_available(t)) {
2040 error_report("%s not available", ti->name);
2041 exit(1);
2042 }
2043 vga_interface_type = t;
2044 break;
2045 }
2046 }
2047 if (t == VGA_TYPE_MAX) {
2048 invalid_vga:
2049 error_report("unknown vga type: %s", p);
2050 exit(1);
2051 }
2052 while (*opts) {
2053 const char *nextopt;
2054
2055 if (strstart(opts, ",retrace=", &nextopt)) {
2056 opts = nextopt;
2057 if (strstart(opts, "dumb", &nextopt))
2058 vga_retrace_method = VGA_RETRACE_DUMB;
2059 else if (strstart(opts, "precise", &nextopt))
2060 vga_retrace_method = VGA_RETRACE_PRECISE;
2061 else goto invalid_vga;
2062 } else goto invalid_vga;
2063 opts = nextopt;
2064 }
2065 }
2066
2067 typedef enum DisplayType {
2068 DT_DEFAULT,
2069 DT_CURSES,
2070 DT_SDL,
2071 DT_COCOA,
2072 DT_GTK,
2073 DT_EGL,
2074 DT_NONE,
2075 } DisplayType;
2076
2077 static DisplayType select_display(const char *p)
2078 {
2079 const char *opts;
2080 DisplayType display = DT_DEFAULT;
2081
2082 if (strstart(p, "sdl", &opts)) {
2083 #ifdef CONFIG_SDL
2084 display = DT_SDL;
2085 while (*opts) {
2086 const char *nextopt;
2087
2088 if (strstart(opts, ",frame=", &nextopt)) {
2089 opts = nextopt;
2090 if (strstart(opts, "on", &nextopt)) {
2091 no_frame = 0;
2092 } else if (strstart(opts, "off", &nextopt)) {
2093 no_frame = 1;
2094 } else {
2095 goto invalid_sdl_args;
2096 }
2097 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2098 opts = nextopt;
2099 if (strstart(opts, "on", &nextopt)) {
2100 alt_grab = 1;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 alt_grab = 0;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2107 opts = nextopt;
2108 if (strstart(opts, "on", &nextopt)) {
2109 ctrl_grab = 1;
2110 } else if (strstart(opts, "off", &nextopt)) {
2111 ctrl_grab = 0;
2112 } else {
2113 goto invalid_sdl_args;
2114 }
2115 } else if (strstart(opts, ",window_close=", &nextopt)) {
2116 opts = nextopt;
2117 if (strstart(opts, "on", &nextopt)) {
2118 no_quit = 0;
2119 } else if (strstart(opts, "off", &nextopt)) {
2120 no_quit = 1;
2121 } else {
2122 goto invalid_sdl_args;
2123 }
2124 } else if (strstart(opts, ",gl=", &nextopt)) {
2125 opts = nextopt;
2126 if (strstart(opts, "on", &nextopt)) {
2127 request_opengl = 1;
2128 } else if (strstart(opts, "off", &nextopt)) {
2129 request_opengl = 0;
2130 } else {
2131 goto invalid_sdl_args;
2132 }
2133 } else {
2134 invalid_sdl_args:
2135 error_report("invalid SDL option string");
2136 exit(1);
2137 }
2138 opts = nextopt;
2139 }
2140 #else
2141 error_report("SDL support is disabled");
2142 exit(1);
2143 #endif
2144 } else if (strstart(p, "vnc", &opts)) {
2145 if (*opts == '=') {
2146 vnc_parse(opts + 1, &error_fatal);
2147 } else {
2148 error_report("VNC requires a display argument vnc=<display>");
2149 exit(1);
2150 }
2151 } else if (strstart(p, "egl-headless", &opts)) {
2152 #ifdef CONFIG_OPENGL_DMABUF
2153 request_opengl = 1;
2154 display_opengl = 1;
2155 display = DT_EGL;
2156 #else
2157 fprintf(stderr, "egl support is disabled\n");
2158 exit(1);
2159 #endif
2160 } else if (strstart(p, "curses", &opts)) {
2161 #ifdef CONFIG_CURSES
2162 display = DT_CURSES;
2163 #else
2164 error_report("curses support is disabled");
2165 exit(1);
2166 #endif
2167 } else if (strstart(p, "gtk", &opts)) {
2168 #ifdef CONFIG_GTK
2169 display = DT_GTK;
2170 while (*opts) {
2171 const char *nextopt;
2172
2173 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2174 opts = nextopt;
2175 if (strstart(opts, "on", &nextopt)) {
2176 grab_on_hover = true;
2177 } else if (strstart(opts, "off", &nextopt)) {
2178 grab_on_hover = false;
2179 } else {
2180 goto invalid_gtk_args;
2181 }
2182 } else if (strstart(opts, ",gl=", &nextopt)) {
2183 opts = nextopt;
2184 if (strstart(opts, "on", &nextopt)) {
2185 request_opengl = 1;
2186 } else if (strstart(opts, "off", &nextopt)) {
2187 request_opengl = 0;
2188 } else {
2189 goto invalid_gtk_args;
2190 }
2191 } else {
2192 invalid_gtk_args:
2193 error_report("invalid GTK option string");
2194 exit(1);
2195 }
2196 opts = nextopt;
2197 }
2198 #else
2199 error_report("GTK support is disabled");
2200 exit(1);
2201 #endif
2202 } else if (strstart(p, "none", &opts)) {
2203 display = DT_NONE;
2204 } else {
2205 error_report("unknown display type");
2206 exit(1);
2207 }
2208
2209 return display;
2210 }
2211
2212 static int balloon_parse(const char *arg)
2213 {
2214 QemuOpts *opts;
2215
2216 if (strcmp(arg, "none") == 0) {
2217 return 0;
2218 }
2219
2220 if (!strncmp(arg, "virtio", 6)) {
2221 if (arg[6] == ',') {
2222 /* have params -> parse them */
2223 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2224 false);
2225 if (!opts)
2226 return -1;
2227 } else {
2228 /* create empty opts */
2229 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2230 &error_abort);
2231 }
2232 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2233 return 0;
2234 }
2235
2236 return -1;
2237 }
2238
2239 char *qemu_find_file(int type, const char *name)
2240 {
2241 int i;
2242 const char *subdir;
2243 char *buf;
2244
2245 /* Try the name as a straight path first */
2246 if (access(name, R_OK) == 0) {
2247 trace_load_file(name, name);
2248 return g_strdup(name);
2249 }
2250
2251 switch (type) {
2252 case QEMU_FILE_TYPE_BIOS:
2253 subdir = "";
2254 break;
2255 case QEMU_FILE_TYPE_KEYMAP:
2256 subdir = "keymaps/";
2257 break;
2258 default:
2259 abort();
2260 }
2261
2262 for (i = 0; i < data_dir_idx; i++) {
2263 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2264 if (access(buf, R_OK) == 0) {
2265 trace_load_file(name, buf);
2266 return buf;
2267 }
2268 g_free(buf);
2269 }
2270 return NULL;
2271 }
2272
2273 static inline bool nonempty_str(const char *str)
2274 {
2275 return str && *str;
2276 }
2277
2278 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2279 {
2280 gchar *buf;
2281 size_t size;
2282 const char *name, *file, *str;
2283 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2284
2285 if (fw_cfg == NULL) {
2286 error_report("fw_cfg device not available");
2287 return -1;
2288 }
2289 name = qemu_opt_get(opts, "name");
2290 file = qemu_opt_get(opts, "file");
2291 str = qemu_opt_get(opts, "string");
2292
2293 /* we need name and either a file or the content string */
2294 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2295 error_report("invalid argument(s)");
2296 return -1;
2297 }
2298 if (nonempty_str(file) && nonempty_str(str)) {
2299 error_report("file and string are mutually exclusive");
2300 return -1;
2301 }
2302 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2303 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2304 return -1;
2305 }
2306 if (strncmp(name, "opt/", 4) != 0) {
2307 warn_report("externally provided fw_cfg item names "
2308 "should be prefixed with \"opt/\"");
2309 }
2310 if (nonempty_str(str)) {
2311 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2312 buf = g_memdup(str, size);
2313 } else {
2314 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2315 error_report("can't load %s", file);
2316 return -1;
2317 }
2318 }
2319 /* For legacy, keep user files in a specific global order. */
2320 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2321 fw_cfg_add_file(fw_cfg, name, buf, size);
2322 fw_cfg_reset_order_override(fw_cfg);
2323 return 0;
2324 }
2325
2326 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2327 {
2328 return qdev_device_help(opts);
2329 }
2330
2331 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2332 {
2333 Error *err = NULL;
2334 DeviceState *dev;
2335
2336 dev = qdev_device_add(opts, &err);
2337 if (!dev) {
2338 error_report_err(err);
2339 return -1;
2340 }
2341 object_unref(OBJECT(dev));
2342 return 0;
2343 }
2344
2345 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2346 {
2347 Error *local_err = NULL;
2348
2349 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2350 if (local_err) {
2351 error_report_err(local_err);
2352 return -1;
2353 }
2354 exit(0);
2355 }
2356 return 0;
2357 }
2358
2359 #ifdef CONFIG_VIRTFS
2360 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2361 {
2362 return qemu_fsdev_add(opts);
2363 }
2364 #endif
2365
2366 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2367 {
2368 Chardev *chr;
2369 const char *chardev;
2370 const char *mode;
2371 int flags;
2372
2373 mode = qemu_opt_get(opts, "mode");
2374 if (mode == NULL) {
2375 mode = "readline";
2376 }
2377 if (strcmp(mode, "readline") == 0) {
2378 flags = MONITOR_USE_READLINE;
2379 } else if (strcmp(mode, "control") == 0) {
2380 flags = MONITOR_USE_CONTROL;
2381 } else {
2382 error_report("unknown monitor mode \"%s\"", mode);
2383 exit(1);
2384 }
2385
2386 if (qemu_opt_get_bool(opts, "pretty", 0))
2387 flags |= MONITOR_USE_PRETTY;
2388
2389 if (qemu_opt_get_bool(opts, "default", 0)) {
2390 error_report("option 'default' does nothing and is deprecated");
2391 }
2392
2393 chardev = qemu_opt_get(opts, "chardev");
2394 chr = qemu_chr_find(chardev);
2395 if (chr == NULL) {
2396 error_report("chardev \"%s\" not found", chardev);
2397 exit(1);
2398 }
2399
2400 monitor_init(chr, flags);
2401 return 0;
2402 }
2403
2404 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2405 {
2406 static int monitor_device_index = 0;
2407 QemuOpts *opts;
2408 const char *p;
2409 char label[32];
2410
2411 if (strstart(optarg, "chardev:", &p)) {
2412 snprintf(label, sizeof(label), "%s", p);
2413 } else {
2414 snprintf(label, sizeof(label), "compat_monitor%d",
2415 monitor_device_index);
2416 opts = qemu_chr_parse_compat(label, optarg);
2417 if (!opts) {
2418 error_report("parse error: %s", optarg);
2419 exit(1);
2420 }
2421 }
2422
2423 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2424 qemu_opt_set(opts, "mode", mode, &error_abort);
2425 qemu_opt_set(opts, "chardev", label, &error_abort);
2426 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2427 monitor_device_index++;
2428 }
2429
2430 struct device_config {
2431 enum {
2432 DEV_USB, /* -usbdevice */
2433 DEV_BT, /* -bt */
2434 DEV_SERIAL, /* -serial */
2435 DEV_PARALLEL, /* -parallel */
2436 DEV_VIRTCON, /* -virtioconsole */
2437 DEV_DEBUGCON, /* -debugcon */
2438 DEV_GDB, /* -gdb, -s */
2439 DEV_SCLP, /* s390 sclp */
2440 } type;
2441 const char *cmdline;
2442 Location loc;
2443 QTAILQ_ENTRY(device_config) next;
2444 };
2445
2446 static QTAILQ_HEAD(, device_config) device_configs =
2447 QTAILQ_HEAD_INITIALIZER(device_configs);
2448
2449 static void add_device_config(int type, const char *cmdline)
2450 {
2451 struct device_config *conf;
2452
2453 conf = g_malloc0(sizeof(*conf));
2454 conf->type = type;
2455 conf->cmdline = cmdline;
2456 loc_save(&conf->loc);
2457 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2458 }
2459
2460 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2461 {
2462 struct device_config *conf;
2463 int rc;
2464
2465 QTAILQ_FOREACH(conf, &device_configs, next) {
2466 if (conf->type != type)
2467 continue;
2468 loc_push_restore(&conf->loc);
2469 rc = func(conf->cmdline);
2470 loc_pop(&conf->loc);
2471 if (rc) {
2472 return rc;
2473 }
2474 }
2475 return 0;
2476 }
2477
2478 static int serial_parse(const char *devname)
2479 {
2480 static int index = 0;
2481 char label[32];
2482
2483 if (strcmp(devname, "none") == 0)
2484 return 0;
2485 if (index == MAX_SERIAL_PORTS) {
2486 error_report("too many serial ports");
2487 exit(1);
2488 }
2489 snprintf(label, sizeof(label), "serial%d", index);
2490 serial_hds[index] = qemu_chr_new(label, devname);
2491 if (!serial_hds[index]) {
2492 error_report("could not connect serial device"
2493 " to character backend '%s'", devname);
2494 return -1;
2495 }
2496 index++;
2497 return 0;
2498 }
2499
2500 static int parallel_parse(const char *devname)
2501 {
2502 static int index = 0;
2503 char label[32];
2504
2505 if (strcmp(devname, "none") == 0)
2506 return 0;
2507 if (index == MAX_PARALLEL_PORTS) {
2508 error_report("too many parallel ports");
2509 exit(1);
2510 }
2511 snprintf(label, sizeof(label), "parallel%d", index);
2512 parallel_hds[index] = qemu_chr_new(label, devname);
2513 if (!parallel_hds[index]) {
2514 error_report("could not connect parallel device"
2515 " to character backend '%s'", devname);
2516 return -1;
2517 }
2518 index++;
2519 return 0;
2520 }
2521
2522 static int virtcon_parse(const char *devname)
2523 {
2524 QemuOptsList *device = qemu_find_opts("device");
2525 static int index = 0;
2526 char label[32];
2527 QemuOpts *bus_opts, *dev_opts;
2528
2529 if (strcmp(devname, "none") == 0)
2530 return 0;
2531 if (index == MAX_VIRTIO_CONSOLES) {
2532 error_report("too many virtio consoles");
2533 exit(1);
2534 }
2535
2536 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2537 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2538
2539 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2540 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2541
2542 snprintf(label, sizeof(label), "virtcon%d", index);
2543 virtcon_hds[index] = qemu_chr_new(label, devname);
2544 if (!virtcon_hds[index]) {
2545 error_report("could not connect virtio console"
2546 " to character backend '%s'", devname);
2547 return -1;
2548 }
2549 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2550
2551 index++;
2552 return 0;
2553 }
2554
2555 static int sclp_parse(const char *devname)
2556 {
2557 QemuOptsList *device = qemu_find_opts("device");
2558 static int index = 0;
2559 char label[32];
2560 QemuOpts *dev_opts;
2561
2562 if (strcmp(devname, "none") == 0) {
2563 return 0;
2564 }
2565 if (index == MAX_SCLP_CONSOLES) {
2566 error_report("too many sclp consoles");
2567 exit(1);
2568 }
2569
2570 assert(arch_type == QEMU_ARCH_S390X);
2571
2572 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2573 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2574
2575 snprintf(label, sizeof(label), "sclpcon%d", index);
2576 sclp_hds[index] = qemu_chr_new(label, devname);
2577 if (!sclp_hds[index]) {
2578 error_report("could not connect sclp console"
2579 " to character backend '%s'", devname);
2580 return -1;
2581 }
2582 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2583
2584 index++;
2585 return 0;
2586 }
2587
2588 static int debugcon_parse(const char *devname)
2589 {
2590 QemuOpts *opts;
2591
2592 if (!qemu_chr_new("debugcon", devname)) {
2593 exit(1);
2594 }
2595 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2596 if (!opts) {
2597 error_report("already have a debugcon device");
2598 exit(1);
2599 }
2600 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2601 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2602 return 0;
2603 }
2604
2605 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2606 {
2607 const MachineClass *mc1 = a, *mc2 = b;
2608 int res;
2609
2610 if (mc1->family == NULL) {
2611 if (mc2->family == NULL) {
2612 /* Compare standalone machine types against each other; they sort
2613 * in increasing order.
2614 */
2615 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2616 object_class_get_name(OBJECT_CLASS(mc2)));
2617 }
2618
2619 /* Standalone machine types sort after families. */
2620 return 1;
2621 }
2622
2623 if (mc2->family == NULL) {
2624 /* Families sort before standalone machine types. */
2625 return -1;
2626 }
2627
2628 /* Families sort between each other alphabetically increasingly. */
2629 res = strcmp(mc1->family, mc2->family);
2630 if (res != 0) {
2631 return res;
2632 }
2633
2634 /* Within the same family, machine types sort in decreasing order. */
2635 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2636 object_class_get_name(OBJECT_CLASS(mc1)));
2637 }
2638
2639 static MachineClass *machine_parse(const char *name)
2640 {
2641 MachineClass *mc = NULL;
2642 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2643
2644 if (name) {
2645 mc = find_machine(name);
2646 }
2647 if (mc) {
2648 g_slist_free(machines);
2649 return mc;
2650 }
2651 if (name && !is_help_option(name)) {
2652 error_report("unsupported machine type");
2653 error_printf("Use -machine help to list supported machines\n");
2654 } else {
2655 printf("Supported machines are:\n");
2656 machines = g_slist_sort(machines, machine_class_cmp);
2657 for (el = machines; el; el = el->next) {
2658 MachineClass *mc = el->data;
2659 if (mc->alias) {
2660 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2661 }
2662 printf("%-20s %s%s\n", mc->name, mc->desc,
2663 mc->is_default ? " (default)" : "");
2664 }
2665 }
2666
2667 g_slist_free(machines);
2668 exit(!name || !is_help_option(name));
2669 }
2670
2671 void qemu_add_exit_notifier(Notifier *notify)
2672 {
2673 notifier_list_add(&exit_notifiers, notify);
2674 }
2675
2676 void qemu_remove_exit_notifier(Notifier *notify)
2677 {
2678 notifier_remove(notify);
2679 }
2680
2681 static void qemu_run_exit_notifiers(void)
2682 {
2683 notifier_list_notify(&exit_notifiers, NULL);
2684 }
2685
2686 static bool machine_init_done;
2687
2688 void qemu_add_machine_init_done_notifier(Notifier *notify)
2689 {
2690 notifier_list_add(&machine_init_done_notifiers, notify);
2691 if (machine_init_done) {
2692 notify->notify(notify, NULL);
2693 }
2694 }
2695
2696 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2697 {
2698 notifier_remove(notify);
2699 }
2700
2701 static void qemu_run_machine_init_done_notifiers(void)
2702 {
2703 notifier_list_notify(&machine_init_done_notifiers, NULL);
2704 machine_init_done = true;
2705 }
2706
2707 static const QEMUOption *lookup_opt(int argc, char **argv,
2708 const char **poptarg, int *poptind)
2709 {
2710 const QEMUOption *popt;
2711 int optind = *poptind;
2712 char *r = argv[optind];
2713 const char *optarg;
2714
2715 loc_set_cmdline(argv, optind, 1);
2716 optind++;
2717 /* Treat --foo the same as -foo. */
2718 if (r[1] == '-')
2719 r++;
2720 popt = qemu_options;
2721 for(;;) {
2722 if (!popt->name) {
2723 error_report("invalid option");
2724 exit(1);
2725 }
2726 if (!strcmp(popt->name, r + 1))
2727 break;
2728 popt++;
2729 }
2730 if (popt->flags & HAS_ARG) {
2731 if (optind >= argc) {
2732 error_report("requires an argument");
2733 exit(1);
2734 }
2735 optarg = argv[optind++];
2736 loc_set_cmdline(argv, optind - 2, 2);
2737 } else {
2738 optarg = NULL;
2739 }
2740
2741 *poptarg = optarg;
2742 *poptind = optind;
2743
2744 return popt;
2745 }
2746
2747 static MachineClass *select_machine(void)
2748 {
2749 MachineClass *machine_class = find_default_machine();
2750 const char *optarg;
2751 QemuOpts *opts;
2752 Location loc;
2753
2754 loc_push_none(&loc);
2755
2756 opts = qemu_get_machine_opts();
2757 qemu_opts_loc_restore(opts);
2758
2759 optarg = qemu_opt_get(opts, "type");
2760 if (optarg) {
2761 machine_class = machine_parse(optarg);
2762 }
2763
2764 if (!machine_class) {
2765 error_report("No machine specified, and there is no default");
2766 error_printf("Use -machine help to list supported machines\n");
2767 exit(1);
2768 }
2769
2770 loc_pop(&loc);
2771 return machine_class;
2772 }
2773
2774 static int machine_set_property(void *opaque,
2775 const char *name, const char *value,
2776 Error **errp)
2777 {
2778 Object *obj = OBJECT(opaque);
2779 Error *local_err = NULL;
2780 char *p, *qom_name;
2781
2782 if (strcmp(name, "type") == 0) {
2783 return 0;
2784 }
2785
2786 qom_name = g_strdup(name);
2787 for (p = qom_name; *p; p++) {
2788 if (*p == '_') {
2789 *p = '-';
2790 }
2791 }
2792
2793 object_property_parse(obj, value, qom_name, &local_err);
2794 g_free(qom_name);
2795
2796 if (local_err) {
2797 error_report_err(local_err);
2798 return -1;
2799 }
2800
2801 return 0;
2802 }
2803
2804
2805 /*
2806 * Initial object creation happens before all other
2807 * QEMU data types are created. The majority of objects
2808 * can be created at this point. The rng-egd object
2809 * cannot be created here, as it depends on the chardev
2810 * already existing.
2811 */
2812 static bool object_create_initial(const char *type)
2813 {
2814 if (g_str_equal(type, "rng-egd")) {
2815 return false;
2816 }
2817
2818 /*
2819 * return false for concrete netfilters since
2820 * they depend on netdevs already existing
2821 */
2822 if (g_str_equal(type, "filter-buffer") ||
2823 g_str_equal(type, "filter-dump") ||
2824 g_str_equal(type, "filter-mirror") ||
2825 g_str_equal(type, "filter-redirector") ||
2826 g_str_equal(type, "colo-compare") ||
2827 g_str_equal(type, "filter-rewriter") ||
2828 g_str_equal(type, "filter-replay")) {
2829 return false;
2830 }
2831
2832 /* Memory allocation by backends needs to be done
2833 * after configure_accelerator() (due to the tcg_enabled()
2834 * checks at memory_region_init_*()).
2835 *
2836 * Also, allocation of large amounts of memory may delay
2837 * chardev initialization for too long, and trigger timeouts
2838 * on software that waits for a monitor socket to be created
2839 * (e.g. libvirt).
2840 */
2841 if (g_str_has_prefix(type, "memory-backend-")) {
2842 return false;
2843 }
2844
2845 return true;
2846 }
2847
2848
2849 /*
2850 * The remainder of object creation happens after the
2851 * creation of chardev, fsdev, net clients and device data types.
2852 */
2853 static bool object_create_delayed(const char *type)
2854 {
2855 return !object_create_initial(type);
2856 }
2857
2858
2859 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2860 MachineClass *mc)
2861 {
2862 uint64_t sz;
2863 const char *mem_str;
2864 const char *maxmem_str, *slots_str;
2865 const ram_addr_t default_ram_size = mc->default_ram_size;
2866 QemuOpts *opts = qemu_find_opts_singleton("memory");
2867 Location loc;
2868
2869 loc_push_none(&loc);
2870 qemu_opts_loc_restore(opts);
2871
2872 sz = 0;
2873 mem_str = qemu_opt_get(opts, "size");
2874 if (mem_str) {
2875 if (!*mem_str) {
2876 error_report("missing 'size' option value");
2877 exit(EXIT_FAILURE);
2878 }
2879
2880 sz = qemu_opt_get_size(opts, "size", ram_size);
2881
2882 /* Fix up legacy suffix-less format */
2883 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2884 uint64_t overflow_check = sz;
2885
2886 sz <<= 20;
2887 if ((sz >> 20) != overflow_check) {
2888 error_report("too large 'size' option value");
2889 exit(EXIT_FAILURE);
2890 }
2891 }
2892 }
2893
2894 /* backward compatibility behaviour for case "-m 0" */
2895 if (sz == 0) {
2896 sz = default_ram_size;
2897 }
2898
2899 sz = QEMU_ALIGN_UP(sz, 8192);
2900 ram_size = sz;
2901 if (ram_size != sz) {
2902 error_report("ram size too large");
2903 exit(EXIT_FAILURE);
2904 }
2905
2906 /* store value for the future use */
2907 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2908 *maxram_size = ram_size;
2909
2910 maxmem_str = qemu_opt_get(opts, "maxmem");
2911 slots_str = qemu_opt_get(opts, "slots");
2912 if (maxmem_str && slots_str) {
2913 uint64_t slots;
2914
2915 sz = qemu_opt_get_size(opts, "maxmem", 0);
2916 slots = qemu_opt_get_number(opts, "slots", 0);
2917 if (sz < ram_size) {
2918 error_report("invalid value of -m option maxmem: "
2919 "maximum memory size (0x%" PRIx64 ") must be at least "
2920 "the initial memory size (0x" RAM_ADDR_FMT ")",
2921 sz, ram_size);
2922 exit(EXIT_FAILURE);
2923 } else if (sz > ram_size) {
2924 if (!slots) {
2925 error_report("invalid value of -m option: maxmem was "
2926 "specified, but no hotplug slots were specified");
2927 exit(EXIT_FAILURE);
2928 }
2929 } else if (slots) {
2930 error_report("invalid value of -m option maxmem: "
2931 "memory slots were specified but maximum memory size "
2932 "(0x%" PRIx64 ") is equal to the initial memory size "
2933 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2934 exit(EXIT_FAILURE);
2935 }
2936
2937 *maxram_size = sz;
2938 *ram_slots = slots;
2939 } else if ((!maxmem_str && slots_str) ||
2940 (maxmem_str && !slots_str)) {
2941 error_report("invalid -m option value: missing "
2942 "'%s' option", slots_str ? "maxmem" : "slots");
2943 exit(EXIT_FAILURE);
2944 }
2945
2946 loc_pop(&loc);
2947 }
2948
2949 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2950 {
2951 GlobalProperty *g;
2952
2953 g = g_malloc0(sizeof(*g));
2954 g->driver = qemu_opt_get(opts, "driver");
2955 g->property = qemu_opt_get(opts, "property");
2956 g->value = qemu_opt_get(opts, "value");
2957 g->user_provided = true;
2958 g->errp = &error_fatal;
2959 qdev_prop_register_global(g);
2960 return 0;
2961 }
2962
2963 static int qemu_read_default_config_file(void)
2964 {
2965 int ret;
2966
2967 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2968 if (ret < 0 && ret != -ENOENT) {
2969 return ret;
2970 }
2971
2972 return 0;
2973 }
2974
2975 static void user_register_global_props(void)
2976 {
2977 qemu_opts_foreach(qemu_find_opts("global"),
2978 global_init_func, NULL, NULL);
2979 }
2980
2981 /*
2982 * Note: we should see that these properties are actually having a
2983 * priority: accel < machine < user. This means e.g. when user
2984 * specifies something in "-global", it'll always be used with highest
2985 * priority than either machine/accelerator compat properties.
2986 */
2987 static void register_global_properties(MachineState *ms)
2988 {
2989 accel_register_compat_props(ms->accelerator);
2990 machine_register_compat_props(ms);
2991 user_register_global_props();
2992 }
2993
2994 int main(int argc, char **argv, char **envp)
2995 {
2996 int i;
2997 int snapshot, linux_boot;
2998 const char *initrd_filename;
2999 const char *kernel_filename, *kernel_cmdline;
3000 const char *boot_order = NULL;
3001 const char *boot_once = NULL;
3002 DisplayState *ds;
3003 int cyls, heads, secs, translation;
3004 QemuOpts *opts, *machine_opts;
3005 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
3006 QemuOptsList *olist;
3007 int optind;
3008 const char *optarg;
3009 const char *loadvm = NULL;
3010 MachineClass *machine_class;
3011 const char *cpu_model;
3012 const char *vga_model = NULL;
3013 const char *qtest_chrdev = NULL;
3014 const char *qtest_log = NULL;
3015 const char *pid_file = NULL;
3016 const char *incoming = NULL;
3017 bool defconfig = true;
3018 bool userconfig = true;
3019 bool nographic = false;
3020 DisplayType display_type = DT_DEFAULT;
3021 int display_remote = 0;
3022 const char *log_mask = NULL;
3023 const char *log_file = NULL;
3024 char *trace_file = NULL;
3025 ram_addr_t maxram_size;
3026 uint64_t ram_slots = 0;
3027 FILE *vmstate_dump_file = NULL;
3028 Error *main_loop_err = NULL;
3029 Error *err = NULL;
3030 bool list_data_dirs = false;
3031 typedef struct BlockdevOptions_queue {
3032 BlockdevOptions *bdo;
3033 Location loc;
3034 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3035 } BlockdevOptions_queue;
3036 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3037 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3038
3039 module_call_init(MODULE_INIT_TRACE);
3040
3041 qemu_init_cpu_list();
3042 qemu_init_cpu_loop();
3043 qemu_mutex_lock_iothread();
3044
3045 atexit(qemu_run_exit_notifiers);
3046 error_set_progname(argv[0]);
3047 qemu_init_exec_dir(argv[0]);
3048
3049 module_call_init(MODULE_INIT_QOM);
3050 monitor_init_qmp_commands();
3051
3052 qemu_add_opts(&qemu_drive_opts);
3053 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3054 qemu_add_drive_opts(&qemu_common_drive_opts);
3055 qemu_add_drive_opts(&qemu_drive_opts);
3056 qemu_add_drive_opts(&bdrv_runtime_opts);
3057 qemu_add_opts(&qemu_chardev_opts);
3058 qemu_add_opts(&qemu_device_opts);
3059 qemu_add_opts(&qemu_netdev_opts);
3060 qemu_add_opts(&qemu_net_opts);
3061 qemu_add_opts(&qemu_rtc_opts);
3062 qemu_add_opts(&qemu_global_opts);
3063 qemu_add_opts(&qemu_mon_opts);
3064 qemu_add_opts(&qemu_trace_opts);
3065 qemu_add_opts(&qemu_option_rom_opts);
3066 qemu_add_opts(&qemu_machine_opts);
3067 qemu_add_opts(&qemu_accel_opts);
3068 qemu_add_opts(&qemu_mem_opts);
3069 qemu_add_opts(&qemu_smp_opts);
3070 qemu_add_opts(&qemu_boot_opts);
3071 qemu_add_opts(&qemu_sandbox_opts);
3072 qemu_add_opts(&qemu_add_fd_opts);
3073 qemu_add_opts(&qemu_object_opts);
3074 qemu_add_opts(&qemu_tpmdev_opts);
3075 qemu_add_opts(&qemu_realtime_opts);
3076 qemu_add_opts(&qemu_msg_opts);
3077 qemu_add_opts(&qemu_name_opts);
3078 qemu_add_opts(&qemu_numa_opts);
3079 qemu_add_opts(&qemu_icount_opts);
3080 qemu_add_opts(&qemu_semihosting_config_opts);
3081 qemu_add_opts(&qemu_fw_cfg_opts);
3082 module_call_init(MODULE_INIT_OPTS);
3083
3084 runstate_init();
3085
3086 if (qcrypto_init(&err) < 0) {
3087 error_reportf_err(err, "cannot initialize crypto: ");
3088 exit(1);
3089 }
3090 rtc_clock = QEMU_CLOCK_HOST;
3091
3092 QLIST_INIT (&vm_change_state_head);
3093 os_setup_early_signal_handling();
3094
3095 cpu_model = NULL;
3096 snapshot = 0;
3097 cyls = heads = secs = 0;
3098 translation = BIOS_ATA_TRANSLATION_AUTO;
3099
3100 nb_nics = 0;
3101
3102 bdrv_init_with_whitelist();
3103
3104 autostart = 1;
3105
3106 /* first pass of option parsing */
3107 optind = 1;
3108 while (optind < argc) {
3109 if (argv[optind][0] != '-') {
3110 /* disk image */
3111 optind++;
3112 } else {
3113 const QEMUOption *popt;
3114
3115 popt = lookup_opt(argc, argv, &optarg, &optind);
3116 switch (popt->index) {
3117 case QEMU_OPTION_nodefconfig:
3118 defconfig = false;
3119 break;
3120 case QEMU_OPTION_nouserconfig:
3121 userconfig = false;
3122 break;
3123 }
3124 }
3125 }
3126
3127 if (defconfig && userconfig) {
3128 if (qemu_read_default_config_file() < 0) {
3129 exit(1);
3130 }
3131 }
3132
3133 /* second pass of option parsing */
3134 optind = 1;
3135 for(;;) {
3136 if (optind >= argc)
3137 break;
3138 if (argv[optind][0] != '-') {
3139 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3140 } else {
3141 const QEMUOption *popt;
3142
3143 popt = lookup_opt(argc, argv, &optarg, &optind);
3144 if (!(popt->arch_mask & arch_type)) {
3145 error_report("Option not supported for this target");
3146 exit(1);
3147 }
3148 switch(popt->index) {
3149 case QEMU_OPTION_no_kvm_irqchip: {
3150 olist = qemu_find_opts("machine");
3151 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3152 break;
3153 }
3154 case QEMU_OPTION_cpu:
3155 /* hw initialization will check this */
3156 cpu_model = optarg;
3157 break;
3158 case QEMU_OPTION_hda:
3159 {
3160 char buf[256];
3161 if (cyls == 0)
3162 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3163 else
3164 snprintf(buf, sizeof(buf),
3165 "%s,cyls=%d,heads=%d,secs=%d%s",
3166 HD_OPTS , cyls, heads, secs,
3167 translation == BIOS_ATA_TRANSLATION_LBA ?
3168 ",trans=lba" :
3169 translation == BIOS_ATA_TRANSLATION_NONE ?
3170 ",trans=none" : "");
3171 drive_add(IF_DEFAULT, 0, optarg, buf);
3172 break;
3173 }
3174 case QEMU_OPTION_hdb:
3175 case QEMU_OPTION_hdc:
3176 case QEMU_OPTION_hdd:
3177 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3178 HD_OPTS);
3179 break;
3180 case QEMU_OPTION_blockdev:
3181 {
3182 Visitor *v;
3183 BlockdevOptions_queue *bdo;
3184
3185 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3186 if (!v) {
3187 error_report_err(err);
3188 exit(1);
3189 }
3190
3191 bdo = g_new(BlockdevOptions_queue, 1);
3192 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3193 &error_fatal);
3194 visit_free(v);
3195 loc_save(&bdo->loc);
3196 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3197 break;
3198 }
3199 case QEMU_OPTION_drive:
3200 if (drive_def(optarg) == NULL) {
3201 exit(1);
3202 }
3203 break;
3204 case QEMU_OPTION_set:
3205 if (qemu_set_option(optarg) != 0)
3206 exit(1);
3207 break;
3208 case QEMU_OPTION_global:
3209 if (qemu_global_option(optarg) != 0)
3210 exit(1);
3211 break;
3212 case QEMU_OPTION_mtdblock:
3213 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3214 break;
3215 case QEMU_OPTION_sd:
3216 drive_add(IF_SD, -1, optarg, SD_OPTS);
3217 break;
3218 case QEMU_OPTION_pflash:
3219 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3220 break;
3221 case QEMU_OPTION_snapshot:
3222 snapshot = 1;
3223 break;
3224 case QEMU_OPTION_hdachs:
3225 {
3226 const char *p;
3227 p = optarg;
3228 cyls = strtol(p, (char **)&p, 0);
3229 if (cyls < 1 || cyls > 16383)
3230 goto chs_fail;
3231 if (*p != ',')
3232 goto chs_fail;
3233 p++;
3234 heads = strtol(p, (char **)&p, 0);
3235 if (heads < 1 || heads > 16)
3236 goto chs_fail;
3237 if (*p != ',')
3238 goto chs_fail;
3239 p++;
3240 secs = strtol(p, (char **)&p, 0);
3241 if (secs < 1 || secs > 63)
3242 goto chs_fail;
3243 if (*p == ',') {
3244 p++;
3245 if (!strcmp(p, "large")) {
3246 translation = BIOS_ATA_TRANSLATION_LARGE;
3247 } else if (!strcmp(p, "rechs")) {
3248 translation = BIOS_ATA_TRANSLATION_RECHS;
3249 } else if (!strcmp(p, "none")) {
3250 translation = BIOS_ATA_TRANSLATION_NONE;
3251 } else if (!strcmp(p, "lba")) {
3252 translation = BIOS_ATA_TRANSLATION_LBA;
3253 } else if (!strcmp(p, "auto")) {
3254 translation = BIOS_ATA_TRANSLATION_AUTO;
3255 } else {
3256 goto chs_fail;
3257 }
3258 } else if (*p != '\0') {
3259 chs_fail:
3260 error_report("invalid physical CHS format");
3261 exit(1);
3262 }
3263 if (hda_opts != NULL) {
3264 qemu_opt_set_number(hda_opts, "cyls", cyls,
3265 &error_abort);
3266 qemu_opt_set_number(hda_opts, "heads", heads,
3267 &error_abort);
3268 qemu_opt_set_number(hda_opts, "secs", secs,
3269 &error_abort);
3270 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3271 qemu_opt_set(hda_opts, "trans", "large",
3272 &error_abort);
3273 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3274 qemu_opt_set(hda_opts, "trans", "rechs",
3275 &error_abort);
3276 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3277 qemu_opt_set(hda_opts, "trans", "lba",
3278 &error_abort);
3279 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3280 qemu_opt_set(hda_opts, "trans", "none",
3281 &error_abort);
3282 }
3283 }
3284 }
3285 error_report("'-hdachs' is deprecated, please use '-device"
3286 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3287 break;
3288 case QEMU_OPTION_numa:
3289 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3290 optarg, true);
3291 if (!opts) {
3292 exit(1);
3293 }
3294 break;
3295 case QEMU_OPTION_display:
3296 display_type = select_display(optarg);
3297 break;
3298 case QEMU_OPTION_nographic:
3299 olist = qemu_find_opts("machine");
3300 qemu_opts_parse_noisily(olist, "graphics=off", false);
3301 nographic = true;
3302 display_type = DT_NONE;
3303 break;
3304 case QEMU_OPTION_curses:
3305 #ifdef CONFIG_CURSES
3306 display_type = DT_CURSES;
3307 #else
3308 error_report("curses support is disabled");
3309 exit(1);
3310 #endif
3311 break;
3312 case QEMU_OPTION_portrait:
3313 graphic_rotate = 90;
3314 break;
3315 case QEMU_OPTION_rotate:
3316 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3317 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3318 graphic_rotate != 180 && graphic_rotate != 270) {
3319 error_report("only 90, 180, 270 deg rotation is available");
3320 exit(1);
3321 }
3322 break;
3323 case QEMU_OPTION_kernel:
3324 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3325 &error_abort);
3326 break;
3327 case QEMU_OPTION_initrd:
3328 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3329 &error_abort);
3330 break;
3331 case QEMU_OPTION_append:
3332 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3333 &error_abort);
3334 break;
3335 case QEMU_OPTION_dtb:
3336 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3337 &error_abort);
3338 break;
3339 case QEMU_OPTION_cdrom:
3340 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3341 break;
3342 case QEMU_OPTION_boot:
3343 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3344 optarg, true);
3345 if (!opts) {
3346 exit(1);
3347 }
3348 break;
3349 case QEMU_OPTION_fda:
3350 case QEMU_OPTION_fdb:
3351 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3352 optarg, FD_OPTS);
3353 break;
3354 case QEMU_OPTION_no_fd_bootchk:
3355 fd_bootchk = 0;
3356 break;
3357 case QEMU_OPTION_netdev:
3358 default_net = 0;
3359 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3360 exit(1);
3361 }
3362 break;
3363 case QEMU_OPTION_net:
3364 default_net = 0;
3365 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3366 exit(1);
3367 }
3368 break;
3369 #ifdef CONFIG_LIBISCSI
3370 case QEMU_OPTION_iscsi:
3371 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3372 optarg, false);
3373 if (!opts) {
3374 exit(1);
3375 }
3376 break;
3377 #endif
3378 #ifdef CONFIG_SLIRP
3379 case QEMU_OPTION_tftp:
3380 error_report("The -tftp option is deprecated. "
3381 "Please use '-netdev user,tftp=...' instead.");
3382 legacy_tftp_prefix = optarg;
3383 break;
3384 case QEMU_OPTION_bootp:
3385 error_report("The -bootp option is deprecated. "
3386 "Please use '-netdev user,bootfile=...' instead.");
3387 legacy_bootp_filename = optarg;
3388 break;
3389 case QEMU_OPTION_redir:
3390 error_report("The -redir option is deprecated. "
3391 "Please use '-netdev user,hostfwd=...' instead.");
3392 if (net_slirp_redir(optarg) < 0)
3393 exit(1);
3394 break;
3395 #endif
3396 case QEMU_OPTION_bt:
3397 add_device_config(DEV_BT, optarg);
3398 break;
3399 case QEMU_OPTION_audio_help:
3400 AUD_help ();
3401 exit (0);
3402 break;
3403 case QEMU_OPTION_soundhw:
3404 select_soundhw (optarg);
3405 break;
3406 case QEMU_OPTION_h:
3407 help(0);
3408 break;
3409 case QEMU_OPTION_version:
3410 version();
3411 exit(0);
3412 break;
3413 case QEMU_OPTION_m:
3414 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3415 optarg, true);
3416 if (!opts) {
3417 exit(EXIT_FAILURE);
3418 }
3419 break;
3420 #ifdef CONFIG_TPM
3421 case QEMU_OPTION_tpmdev:
3422 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3423 exit(1);
3424 }
3425 break;
3426 #endif
3427 case QEMU_OPTION_mempath:
3428 mem_path = optarg;
3429 break;
3430 case QEMU_OPTION_mem_prealloc:
3431 mem_prealloc = 1;
3432 break;
3433 case QEMU_OPTION_d:
3434 log_mask = optarg;
3435 break;
3436 case QEMU_OPTION_D:
3437 log_file = optarg;
3438 break;
3439 case QEMU_OPTION_DFILTER:
3440 qemu_set_dfilter_ranges(optarg, &error_fatal);
3441 break;
3442 case QEMU_OPTION_s:
3443 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3444 break;
3445 case QEMU_OPTION_gdb:
3446 add_device_config(DEV_GDB, optarg);
3447 break;
3448 case QEMU_OPTION_L:
3449 if (is_help_option(optarg)) {
3450 list_data_dirs = true;
3451 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3452 data_dir[data_dir_idx++] = optarg;
3453 }
3454 break;
3455 case QEMU_OPTION_bios:
3456 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3457 &error_abort);
3458 break;
3459 case QEMU_OPTION_singlestep:
3460 singlestep = 1;
3461 break;
3462 case QEMU_OPTION_S:
3463 autostart = 0;
3464 break;
3465 case QEMU_OPTION_k:
3466 keyboard_layout = optarg;
3467 break;
3468 case QEMU_OPTION_localtime:
3469 rtc_utc = 0;
3470 break;
3471 case QEMU_OPTION_vga:
3472 vga_model = optarg;
3473 default_vga = 0;
3474 break;
3475 case QEMU_OPTION_g:
3476 {
3477 const char *p;
3478 int w, h, depth;
3479 p = optarg;
3480 w = strtol(p, (char **)&p, 10);
3481 if (w <= 0) {
3482 graphic_error:
3483 error_report("invalid resolution or depth");
3484 exit(1);
3485 }
3486 if (*p != 'x')
3487 goto graphic_error;
3488 p++;
3489 h = strtol(p, (char **)&p, 10);
3490 if (h <= 0)
3491 goto graphic_error;
3492 if (*p == 'x') {
3493 p++;
3494 depth = strtol(p, (char **)&p, 10);
3495 if (depth != 8 && depth != 15 && depth != 16 &&
3496 depth != 24 && depth != 32)
3497 goto graphic_error;
3498 } else if (*p == '\0') {
3499 depth = graphic_depth;
3500 } else {
3501 goto graphic_error;
3502 }
3503
3504 graphic_width = w;
3505 graphic_height = h;
3506 graphic_depth = depth;
3507 }
3508 break;
3509 case QEMU_OPTION_echr:
3510 {
3511 char *r;
3512 term_escape_char = strtol(optarg, &r, 0);
3513 if (r == optarg)
3514 printf("Bad argument to echr\n");
3515 break;
3516 }
3517 case QEMU_OPTION_monitor:
3518 default_monitor = 0;
3519 if (strncmp(optarg, "none", 4)) {
3520 monitor_parse(optarg, "readline", false);
3521 }
3522 break;
3523 case QEMU_OPTION_qmp:
3524 monitor_parse(optarg, "control", false);
3525 default_monitor = 0;
3526 break;
3527 case QEMU_OPTION_qmp_pretty:
3528 monitor_parse(optarg, "control", true);
3529 default_monitor = 0;
3530 break;
3531 case QEMU_OPTION_mon:
3532 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3533 true);
3534 if (!opts) {
3535 exit(1);
3536 }
3537 default_monitor = 0;
3538 break;
3539 case QEMU_OPTION_chardev:
3540 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3541 optarg, true);
3542 if (!opts) {
3543 exit(1);
3544 }
3545 break;
3546 case QEMU_OPTION_fsdev:
3547 olist = qemu_find_opts("fsdev");
3548 if (!olist) {
3549 error_report("fsdev support is disabled");
3550 exit(1);
3551 }
3552 opts = qemu_opts_parse_noisily(olist, optarg, true);
3553 if (!opts) {
3554 exit(1);
3555 }
3556 break;
3557 case QEMU_OPTION_virtfs: {
3558 QemuOpts *fsdev;
3559 QemuOpts *device;
3560 const char *writeout, *sock_fd, *socket;
3561
3562 olist = qemu_find_opts("virtfs");
3563 if (!olist) {
3564 error_report("virtfs support is disabled");
3565 exit(1);
3566 }
3567 opts = qemu_opts_parse_noisily(olist, optarg, true);
3568 if (!opts) {
3569 exit(1);
3570 }
3571
3572 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3573 qemu_opt_get(opts, "mount_tag") == NULL) {
3574 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3575 exit(1);
3576 }
3577 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3578 qemu_opts_id(opts) ?:
3579 qemu_opt_get(opts, "mount_tag"),
3580 1, NULL);
3581 if (!fsdev) {
3582 error_report("duplicate or invalid fsdev id: %s",
3583 qemu_opt_get(opts, "mount_tag"));
3584 exit(1);
3585 }
3586
3587 writeout = qemu_opt_get(opts, "writeout");
3588 if (writeout) {
3589 #ifdef CONFIG_SYNC_FILE_RANGE
3590 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3591 #else
3592 error_report("writeout=immediate not supported "
3593 "on this platform");
3594 exit(1);
3595 #endif
3596 }
3597 qemu_opt_set(fsdev, "fsdriver",
3598 qemu_opt_get(opts, "fsdriver"), &error_abort);
3599 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3600 &error_abort);
3601 qemu_opt_set(fsdev, "security_model",
3602 qemu_opt_get(opts, "security_model"),
3603 &error_abort);
3604 socket = qemu_opt_get(opts, "socket");
3605 if (socket) {
3606 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3607 }
3608 sock_fd = qemu_opt_get(opts, "sock_fd");
3609 if (sock_fd) {
3610 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3611 }
3612
3613 qemu_opt_set_bool(fsdev, "readonly",
3614 qemu_opt_get_bool(opts, "readonly", 0),
3615 &error_abort);
3616 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3617 &error_abort);
3618 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3619 qemu_opt_set(device, "fsdev",
3620 qemu_opts_id(fsdev), &error_abort);
3621 qemu_opt_set(device, "mount_tag",
3622 qemu_opt_get(opts, "mount_tag"), &error_abort);
3623 break;
3624 }
3625 case QEMU_OPTION_virtfs_synth: {
3626 QemuOpts *fsdev;
3627 QemuOpts *device;
3628
3629 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3630 1, NULL);
3631 if (!fsdev) {
3632 error_report("duplicate option: %s", "virtfs_synth");
3633 exit(1);
3634 }
3635 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3636
3637 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3638 &error_abort);
3639 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3640 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3641 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3642 break;
3643 }
3644 case QEMU_OPTION_serial:
3645 add_device_config(DEV_SERIAL, optarg);
3646 default_serial = 0;
3647 if (strncmp(optarg, "mon:", 4) == 0) {
3648 default_monitor = 0;
3649 }
3650 break;
3651 case QEMU_OPTION_watchdog:
3652 if (watchdog) {
3653 error_report("only one watchdog option may be given");
3654 return 1;
3655 }
3656 watchdog = optarg;
3657 break;
3658 case QEMU_OPTION_watchdog_action:
3659 if (select_watchdog_action(optarg) == -1) {
3660 error_report("unknown -watchdog-action parameter");
3661 exit(1);
3662 }
3663 break;
3664 case QEMU_OPTION_virtiocon:
3665 add_device_config(DEV_VIRTCON, optarg);
3666 default_virtcon = 0;
3667 if (strncmp(optarg, "mon:", 4) == 0) {
3668 default_monitor = 0;
3669 }
3670 break;
3671 case QEMU_OPTION_parallel:
3672 add_device_config(DEV_PARALLEL, optarg);
3673 default_parallel = 0;
3674 if (strncmp(optarg, "mon:", 4) == 0) {
3675 default_monitor = 0;
3676 }
3677 break;
3678 case QEMU_OPTION_debugcon:
3679 add_device_config(DEV_DEBUGCON, optarg);
3680 break;
3681 case QEMU_OPTION_loadvm:
3682 loadvm = optarg;
3683 break;
3684 case QEMU_OPTION_full_screen:
3685 full_screen = 1;
3686 break;
3687 case QEMU_OPTION_no_frame:
3688 no_frame = 1;
3689 break;
3690 case QEMU_OPTION_alt_grab:
3691 alt_grab = 1;
3692 break;
3693 case QEMU_OPTION_ctrl_grab:
3694 ctrl_grab = 1;
3695 break;
3696 case QEMU_OPTION_no_quit:
3697 no_quit = 1;
3698 break;
3699 case QEMU_OPTION_sdl:
3700 #ifdef CONFIG_SDL
3701 display_type = DT_SDL;
3702 break;
3703 #else
3704 error_report("SDL support is disabled");
3705 exit(1);
3706 #endif
3707 case QEMU_OPTION_pidfile:
3708 pid_file = optarg;
3709 break;
3710 case QEMU_OPTION_win2k_hack:
3711 win2k_install_hack = 1;
3712 break;
3713 case QEMU_OPTION_rtc_td_hack: {
3714 static GlobalProperty slew_lost_ticks = {
3715 .driver = "mc146818rtc",
3716 .property = "lost_tick_policy",
3717 .value = "slew",
3718 };
3719
3720 qdev_prop_register_global(&slew_lost_ticks);
3721 break;
3722 }
3723 case QEMU_OPTION_acpitable:
3724 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3725 optarg, true);
3726 if (!opts) {
3727 exit(1);
3728 }
3729 acpi_table_add(opts, &error_fatal);
3730 break;
3731 case QEMU_OPTION_smbios:
3732 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3733 optarg, false);
3734 if (!opts) {
3735 exit(1);
3736 }
3737 smbios_entry_add(opts, &error_fatal);
3738 break;
3739 case QEMU_OPTION_fwcfg:
3740 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3741 optarg, true);
3742 if (opts == NULL) {
3743 exit(1);
3744 }
3745 break;
3746 case QEMU_OPTION_enable_kvm:
3747 olist = qemu_find_opts("machine");
3748 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3749 break;
3750 case QEMU_OPTION_enable_hax:
3751 olist = qemu_find_opts("machine");
3752 qemu_opts_parse_noisily(olist, "accel=hax", false);
3753 break;
3754 case QEMU_OPTION_M:
3755 case QEMU_OPTION_machine:
3756 olist = qemu_find_opts("machine");
3757 opts = qemu_opts_parse_noisily(olist, optarg, true);
3758 if (!opts) {
3759 exit(1);
3760 }
3761 break;
3762 case QEMU_OPTION_no_kvm:
3763 olist = qemu_find_opts("machine");
3764 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3765 break;
3766 case QEMU_OPTION_no_kvm_pit: {
3767 warn_report("ignoring deprecated option");
3768 break;
3769 }
3770 case QEMU_OPTION_no_kvm_pit_reinjection: {
3771 static GlobalProperty kvm_pit_lost_tick_policy = {
3772 .driver = "kvm-pit",
3773 .property = "lost_tick_policy",
3774 .value = "discard",
3775 };
3776
3777 warn_report("deprecated, replaced by "
3778 "-global kvm-pit.lost_tick_policy=discard");
3779 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3780 break;
3781 }
3782 case QEMU_OPTION_accel:
3783 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3784 optarg, true);
3785 optarg = qemu_opt_get(accel_opts, "accel");
3786 if (!optarg || is_help_option(optarg)) {
3787 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3788 exit(0);
3789 }
3790 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3791 false, &error_abort);
3792 qemu_opt_set(opts, "accel", optarg, &error_abort);
3793 break;
3794 case QEMU_OPTION_usb:
3795 olist = qemu_find_opts("machine");
3796 qemu_opts_parse_noisily(olist, "usb=on", false);
3797 break;
3798 case QEMU_OPTION_usbdevice:
3799 error_report("'-usbdevice' is deprecated, please use "
3800 "'-device usb-...' instead");
3801 olist = qemu_find_opts("machine");
3802 qemu_opts_parse_noisily(olist, "usb=on", false);
3803 add_device_config(DEV_USB, optarg);
3804 break;
3805 case QEMU_OPTION_device:
3806 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3807 optarg, true)) {
3808 exit(1);
3809 }
3810 break;
3811 case QEMU_OPTION_smp:
3812 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3813 optarg, true)) {
3814 exit(1);
3815 }
3816 break;
3817 case QEMU_OPTION_vnc:
3818 vnc_parse(optarg, &error_fatal);
3819 break;
3820 case QEMU_OPTION_no_acpi:
3821 acpi_enabled = 0;
3822 break;
3823 case QEMU_OPTION_no_hpet:
3824 no_hpet = 1;
3825 break;
3826 case QEMU_OPTION_balloon:
3827 if (balloon_parse(optarg) < 0) {
3828 error_report("unknown -balloon argument %s", optarg);
3829 exit(1);
3830 }
3831 break;
3832 case QEMU_OPTION_no_reboot:
3833 no_reboot = 1;
3834 break;
3835 case QEMU_OPTION_no_shutdown:
3836 no_shutdown = 1;
3837 break;
3838 case QEMU_OPTION_show_cursor:
3839 cursor_hide = 0;
3840 break;
3841 case QEMU_OPTION_uuid:
3842 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3843 error_report("failed to parse UUID string: wrong format");
3844 exit(1);
3845 }
3846 qemu_uuid_set = true;
3847 break;
3848 case QEMU_OPTION_option_rom:
3849 if (nb_option_roms >= MAX_OPTION_ROMS) {
3850 error_report("too many option ROMs");
3851 exit(1);
3852 }
3853 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3854 optarg, true);
3855 if (!opts) {
3856 exit(1);
3857 }
3858 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3859 option_rom[nb_option_roms].bootindex =
3860 qemu_opt_get_number(opts, "bootindex", -1);
3861 if (!option_rom[nb_option_roms].name) {
3862 error_report("Option ROM file is not specified");
3863 exit(1);
3864 }
3865 nb_option_roms++;
3866 break;
3867 case QEMU_OPTION_semihosting:
3868 semihosting.enabled = true;
3869 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3870 break;
3871 case QEMU_OPTION_semihosting_config:
3872 semihosting.enabled = true;
3873 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3874 optarg, false);
3875 if (opts != NULL) {
3876 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3877 true);
3878 const char *target = qemu_opt_get(opts, "target");
3879 if (target != NULL) {
3880 if (strcmp("native", target) == 0) {
3881 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3882 } else if (strcmp("gdb", target) == 0) {
3883 semihosting.target = SEMIHOSTING_TARGET_GDB;
3884 } else if (strcmp("auto", target) == 0) {
3885 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3886 } else {
3887 error_report("unsupported semihosting-config %s",
3888 optarg);
3889 exit(1);
3890 }
3891 } else {
3892 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3893 }
3894 /* Set semihosting argument count and vector */
3895 qemu_opt_foreach(opts, add_semihosting_arg,
3896 &semihosting, NULL);
3897 } else {
3898 error_report("unsupported semihosting-config %s", optarg);
3899 exit(1);
3900 }
3901 break;
3902 case QEMU_OPTION_tdf:
3903 warn_report("ignoring deprecated option");
3904 break;
3905 case QEMU_OPTION_name:
3906 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3907 optarg, true);
3908 if (!opts) {
3909 exit(1);
3910 }
3911 break;
3912 case QEMU_OPTION_prom_env:
3913 if (nb_prom_envs >= MAX_PROM_ENVS) {
3914 error_report("too many prom variables");
3915 exit(1);
3916 }
3917 prom_envs[nb_prom_envs] = optarg;
3918 nb_prom_envs++;
3919 break;
3920 case QEMU_OPTION_old_param:
3921 old_param = 1;
3922 break;
3923 case QEMU_OPTION_clock:
3924 /* Clock options no longer exist. Keep this option for
3925 * backward compatibility.
3926 */
3927 break;
3928 case QEMU_OPTION_startdate:
3929 configure_rtc_date_offset(optarg, 1);
3930 break;
3931 case QEMU_OPTION_rtc:
3932 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3933 false);
3934 if (!opts) {
3935 exit(1);
3936 }
3937 configure_rtc(opts);
3938 break;
3939 case QEMU_OPTION_tb_size:
3940 #ifndef CONFIG_TCG
3941 error_report("TCG is disabled");
3942 exit(1);
3943 #endif
3944 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3945 error_report("Invalid argument to -tb-size");
3946 exit(1);
3947 }
3948 break;
3949 case QEMU_OPTION_icount:
3950 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3951 optarg, true);
3952 if (!icount_opts) {
3953 exit(1);
3954 }
3955 break;
3956 case QEMU_OPTION_incoming:
3957 if (!incoming) {
3958 runstate_set(RUN_STATE_INMIGRATE);
3959 }
3960 incoming = optarg;
3961 break;
3962 case QEMU_OPTION_only_migratable:
3963 /*
3964 * TODO: we can remove this option one day, and we
3965 * should all use:
3966 *
3967 * "-global migration.only-migratable=true"
3968 */
3969 qemu_global_option("migration.only-migratable=true");
3970 break;
3971 case QEMU_OPTION_nodefaults:
3972 has_defaults = 0;
3973 break;
3974 case QEMU_OPTION_xen_domid:
3975 if (!(xen_available())) {
3976 error_report("Option not supported for this target");
3977 exit(1);
3978 }
3979 xen_domid = atoi(optarg);
3980 break;
3981 case QEMU_OPTION_xen_create:
3982 if (!(xen_available())) {
3983 error_report("Option not supported for this target");
3984 exit(1);
3985 }
3986 xen_mode = XEN_CREATE;
3987 break;
3988 case QEMU_OPTION_xen_attach:
3989 if (!(xen_available())) {
3990 error_report("Option not supported for this target");
3991 exit(1);
3992 }
3993 xen_mode = XEN_ATTACH;
3994 break;
3995 case QEMU_OPTION_xen_domid_restrict:
3996 if (!(xen_available())) {
3997 error_report("Option not supported for this target");
3998 exit(1);
3999 }
4000 xen_domid_restrict = true;
4001 break;
4002 case QEMU_OPTION_trace:
4003 g_free(trace_file);
4004 trace_file = trace_opt_parse(optarg);
4005 break;
4006 case QEMU_OPTION_readconfig:
4007 {
4008 int ret = qemu_read_config_file(optarg);
4009 if (ret < 0) {
4010 error_report("read config %s: %s", optarg,
4011 strerror(-ret));
4012 exit(1);
4013 }
4014 break;
4015 }
4016 case QEMU_OPTION_spice:
4017 olist = qemu_find_opts("spice");
4018 if (!olist) {
4019 error_report("spice support is disabled");
4020 exit(1);
4021 }
4022 opts = qemu_opts_parse_noisily(olist, optarg, false);
4023 if (!opts) {
4024 exit(1);
4025 }
4026 display_remote++;
4027 break;
4028 case QEMU_OPTION_writeconfig:
4029 {
4030 FILE *fp;
4031 if (strcmp(optarg, "-") == 0) {
4032 fp = stdout;
4033 } else {
4034 fp = fopen(optarg, "w");
4035 if (fp == NULL) {
4036 error_report("open %s: %s", optarg,
4037 strerror(errno));
4038 exit(1);
4039 }
4040 }
4041 qemu_config_write(fp);
4042 if (fp != stdout) {
4043 fclose(fp);
4044 }
4045 break;
4046 }
4047 case QEMU_OPTION_qtest:
4048 qtest_chrdev = optarg;
4049 break;
4050 case QEMU_OPTION_qtest_log:
4051 qtest_log = optarg;
4052 break;
4053 case QEMU_OPTION_sandbox:
4054 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4055 optarg, true);
4056 if (!opts) {
4057 exit(1);
4058 }
4059 break;
4060 case QEMU_OPTION_add_fd:
4061 #ifndef _WIN32
4062 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4063 optarg, false);
4064 if (!opts) {
4065 exit(1);
4066 }
4067 #else
4068 error_report("File descriptor passing is disabled on this "
4069 "platform");
4070 exit(1);
4071 #endif
4072 break;
4073 case QEMU_OPTION_object:
4074 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4075 optarg, true);
4076 if (!opts) {
4077 exit(1);
4078 }
4079 break;
4080 case QEMU_OPTION_realtime:
4081 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4082 optarg, false);
4083 if (!opts) {
4084 exit(1);
4085 }
4086 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4087 break;
4088 case QEMU_OPTION_msg:
4089 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4090 false);
4091 if (!opts) {
4092 exit(1);
4093 }
4094 configure_msg(opts);
4095 break;
4096 case QEMU_OPTION_dump_vmstate:
4097 if (vmstate_dump_file) {
4098 error_report("only one '-dump-vmstate' "
4099 "option may be given");
4100 exit(1);
4101 }
4102 vmstate_dump_file = fopen(optarg, "w");
4103 if (vmstate_dump_file == NULL) {
4104 error_report("open %s: %s", optarg, strerror(errno));
4105 exit(1);
4106 }
4107 break;
4108 default:
4109 os_parse_cmd_args(popt->index, optarg);
4110 }
4111 }
4112 }
4113 /*
4114 * Clear error location left behind by the loop.
4115 * Best done right after the loop. Do not insert code here!
4116 */
4117 loc_set_none();
4118
4119 replay_configure(icount_opts);
4120
4121 machine_class = select_machine();
4122
4123 set_memory_options(&ram_slots, &maxram_size, machine_class);
4124
4125 os_daemonize();
4126 rcu_disable_atfork();
4127
4128 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4129 error_report("could not acquire pid file: %s", strerror(errno));
4130 exit(1);
4131 }
4132
4133 if (qemu_init_main_loop(&main_loop_err)) {
4134 error_report_err(main_loop_err);
4135 exit(1);
4136 }
4137
4138 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4139 parse_sandbox, NULL, NULL)) {
4140 exit(1);
4141 }
4142
4143 if (qemu_opts_foreach(qemu_find_opts("name"),
4144 parse_name, NULL, NULL)) {
4145 exit(1);
4146 }
4147
4148 #ifndef _WIN32
4149 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4150 parse_add_fd, NULL, NULL)) {
4151 exit(1);
4152 }
4153
4154 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4155 cleanup_add_fd, NULL, NULL)) {
4156 exit(1);
4157 }
4158 #endif
4159
4160 current_machine = MACHINE(object_new(object_class_get_name(
4161 OBJECT_CLASS(machine_class))));
4162 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4163 exit(0);
4164 }
4165 object_property_add_child(object_get_root(), "machine",
4166 OBJECT(current_machine), &error_abort);
4167
4168 if (machine_class->minimum_page_bits) {
4169 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4170 /* This would be a board error: specifying a minimum smaller than
4171 * a target's compile-time fixed setting.
4172 */
4173 g_assert_not_reached();
4174 }
4175 }
4176
4177 cpu_exec_init_all();
4178
4179 if (machine_class->hw_version) {
4180 qemu_set_hw_version(machine_class->hw_version);
4181 }
4182
4183 if (cpu_model && is_help_option(cpu_model)) {
4184 list_cpus(stdout, &fprintf, cpu_model);
4185 exit(0);
4186 }
4187
4188 if (!trace_init_backends()) {
4189 exit(1);
4190 }
4191 trace_init_file(trace_file);
4192
4193 /* Open the logfile at this point and set the log mask if necessary.
4194 */
4195 if (log_file) {
4196 qemu_set_log_filename(log_file, &error_fatal);
4197 }
4198
4199 if (log_mask) {
4200 int mask;
4201 mask = qemu_str_to_log_mask(log_mask);
4202 if (!mask) {
4203 qemu_print_log_usage(stdout);
4204 exit(1);
4205 }
4206 qemu_set_log(mask);
4207 } else {
4208 qemu_set_log(0);
4209 }
4210
4211 /* If no data_dir is specified then try to find it relative to the
4212 executable path. */
4213 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4214 data_dir[data_dir_idx] = os_find_datadir();
4215 if (data_dir[data_dir_idx] != NULL) {
4216 data_dir_idx++;
4217 }
4218 }
4219 /* If all else fails use the install path specified when building. */
4220 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4221 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4222 }
4223
4224 /* -L help lists the data directories and exits. */
4225 if (list_data_dirs) {
4226 for (i = 0; i < data_dir_idx; i++) {
4227 printf("%s\n", data_dir[i]);
4228 }
4229 exit(0);
4230 }
4231
4232 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4233
4234 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4235 if (max_cpus > machine_class->max_cpus) {
4236 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4237 "supported by machine '%s' (%d)", max_cpus,
4238 machine_class->name, machine_class->max_cpus);
4239 exit(1);
4240 }
4241
4242 /*
4243 * Get the default machine options from the machine if it is not already
4244 * specified either by the configuration file or by the command line.
4245 */
4246 if (machine_class->default_machine_opts) {
4247 qemu_opts_set_defaults(qemu_find_opts("machine"),
4248 machine_class->default_machine_opts, 0);
4249 }
4250
4251 qemu_opts_foreach(qemu_find_opts("device"),
4252 default_driver_check, NULL, NULL);
4253 qemu_opts_foreach(qemu_find_opts("global"),
4254 default_driver_check, NULL, NULL);
4255
4256 if (!vga_model && !default_vga) {
4257 vga_interface_type = VGA_DEVICE;
4258 }
4259 if (!has_defaults || machine_class->no_serial) {
4260 default_serial = 0;
4261 }
4262 if (!has_defaults || machine_class->no_parallel) {
4263 default_parallel = 0;
4264 }
4265 if (!has_defaults || !machine_class->use_virtcon) {
4266 default_virtcon = 0;
4267 }
4268 if (!has_defaults || !machine_class->use_sclp) {
4269 default_sclp = 0;
4270 }
4271 if (!has_defaults || machine_class->no_floppy) {
4272 default_floppy = 0;
4273 }
4274 if (!has_defaults || machine_class->no_cdrom) {
4275 default_cdrom = 0;
4276 }
4277 if (!has_defaults || machine_class->no_sdcard) {
4278 default_sdcard = 0;
4279 }
4280 if (!has_defaults) {
4281 default_monitor = 0;
4282 default_net = 0;
4283 default_vga = 0;
4284 }
4285
4286 if (is_daemonized()) {
4287 /* According to documentation and historically, -nographic redirects
4288 * serial port, parallel port and monitor to stdio, which does not work
4289 * with -daemonize. We can redirect these to null instead, but since
4290 * -nographic is legacy, let's just error out.
4291 * We disallow -nographic only if all other ports are not redirected
4292 * explicitly, to not break existing legacy setups which uses
4293 * -nographic _and_ redirects all ports explicitly - this is valid
4294 * usage, -nographic is just a no-op in this case.
4295 */
4296 if (nographic
4297 && (default_parallel || default_serial
4298 || default_monitor || default_virtcon)) {
4299 error_report("-nographic cannot be used with -daemonize");
4300 exit(1);
4301 }
4302 #ifdef CONFIG_CURSES
4303 if (display_type == DT_CURSES) {
4304 error_report("curses display cannot be used with -daemonize");
4305 exit(1);
4306 }
4307 #endif
4308 }
4309
4310 if (nographic) {
4311 if (default_parallel)
4312 add_device_config(DEV_PARALLEL, "null");
4313 if (default_serial && default_monitor) {
4314 add_device_config(DEV_SERIAL, "mon:stdio");
4315 } else if (default_virtcon && default_monitor) {
4316 add_device_config(DEV_VIRTCON, "mon:stdio");
4317 } else if (default_sclp && default_monitor) {
4318 add_device_config(DEV_SCLP, "mon:stdio");
4319 } else {
4320 if (default_serial)
4321 add_device_config(DEV_SERIAL, "stdio");
4322 if (default_virtcon)
4323 add_device_config(DEV_VIRTCON, "stdio");
4324 if (default_sclp) {
4325 add_device_config(DEV_SCLP, "stdio");
4326 }
4327 if (default_monitor)
4328 monitor_parse("stdio", "readline", false);
4329 }
4330 } else {
4331 if (default_serial)
4332 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4333 if (default_parallel)
4334 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4335 if (default_monitor)
4336 monitor_parse("vc:80Cx24C", "readline", false);
4337 if (default_virtcon)
4338 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4339 if (default_sclp) {
4340 add_device_config(DEV_SCLP, "vc:80Cx24C");
4341 }
4342 }
4343
4344 #if defined(CONFIG_VNC)
4345 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4346 display_remote++;
4347 }
4348 #endif
4349 if (display_type == DT_DEFAULT && !display_remote) {
4350 #if defined(CONFIG_GTK)
4351 display_type = DT_GTK;
4352 #elif defined(CONFIG_SDL)
4353 display_type = DT_SDL;
4354 #elif defined(CONFIG_COCOA)
4355 display_type = DT_COCOA;
4356 #elif defined(CONFIG_VNC)
4357 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4358 #else
4359 display_type = DT_NONE;
4360 #endif
4361 }
4362
4363 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4364 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4365 "for SDL, ignoring option");
4366 }
4367 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4368 error_report("-no-quit is only valid for GTK and SDL, "
4369 "ignoring option");
4370 }
4371
4372 if (display_type == DT_GTK) {
4373 early_gtk_display_init(request_opengl);
4374 }
4375
4376 if (display_type == DT_SDL) {
4377 sdl_display_early_init(request_opengl);
4378 }
4379
4380 qemu_console_early_init();
4381
4382 if (request_opengl == 1 && display_opengl == 0) {
4383 #if defined(CONFIG_OPENGL)
4384 error_report("OpenGL is not supported by the display");
4385 #else
4386 error_report("OpenGL support is disabled");
4387 #endif
4388 exit(1);
4389 }
4390
4391 page_size_init();
4392 socket_init();
4393
4394 if (qemu_opts_foreach(qemu_find_opts("object"),
4395 user_creatable_add_opts_foreach,
4396 object_create_initial, NULL)) {
4397 exit(1);
4398 }
4399
4400 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4401 chardev_init_func, NULL, NULL)) {
4402 exit(1);
4403 }
4404
4405 #ifdef CONFIG_VIRTFS
4406 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4407 fsdev_init_func, NULL, NULL)) {
4408 exit(1);
4409 }
4410 #endif
4411
4412 if (qemu_opts_foreach(qemu_find_opts("device"),
4413 device_help_func, NULL, NULL)) {
4414 exit(0);
4415 }
4416
4417 machine_opts = qemu_get_machine_opts();
4418 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4419 NULL)) {
4420 object_unref(OBJECT(current_machine));
4421 exit(1);
4422 }
4423
4424 configure_accelerator(current_machine);
4425
4426 /*
4427 * Register all the global properties, including accel properties,
4428 * machine properties, and user-specified ones.
4429 */
4430 register_global_properties(current_machine);
4431
4432 /*
4433 * Migration object can only be created after global properties
4434 * are applied correctly.
4435 */
4436 migration_object_init();
4437
4438 if (qtest_chrdev) {
4439 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4440 }
4441
4442 machine_opts = qemu_get_machine_opts();
4443 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4444 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4445 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4446 bios_name = qemu_opt_get(machine_opts, "firmware");
4447
4448 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4449 if (opts) {
4450 boot_order = qemu_opt_get(opts, "order");
4451 if (boot_order) {
4452 validate_bootdevices(boot_order, &error_fatal);
4453 }
4454
4455 boot_once = qemu_opt_get(opts, "once");
4456 if (boot_once) {
4457 validate_bootdevices(boot_once, &error_fatal);
4458 }
4459
4460 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4461 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4462 }
4463
4464 if (!boot_order) {
4465 boot_order = machine_class->default_boot_order;
4466 }
4467
4468 if (!kernel_cmdline) {
4469 kernel_cmdline = "";
4470 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4471 }
4472
4473 linux_boot = (kernel_filename != NULL);
4474
4475 if (!linux_boot && *kernel_cmdline != '\0') {
4476 error_report("-append only allowed with -kernel option");
4477 exit(1);
4478 }
4479
4480 if (!linux_boot && initrd_filename != NULL) {
4481 error_report("-initrd only allowed with -kernel option");
4482 exit(1);
4483 }
4484
4485 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4486 /* fall back to the -kernel/-append */
4487 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4488 }
4489
4490 os_set_line_buffering();
4491
4492 /* spice needs the timers to be initialized by this point */
4493 qemu_spice_init();
4494
4495 cpu_ticks_init();
4496 if (icount_opts) {
4497 if (!tcg_enabled()) {
4498 error_report("-icount is not allowed with hardware virtualization");
4499 exit(1);
4500 }
4501 configure_icount(icount_opts, &error_abort);
4502 qemu_opts_del(icount_opts);
4503 }
4504
4505 if (tcg_enabled()) {
4506 qemu_tcg_configure(accel_opts, &error_fatal);
4507 }
4508
4509 if (default_net) {
4510 QemuOptsList *net = qemu_find_opts("net");
4511 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4512 #ifdef CONFIG_SLIRP
4513 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4514 #endif
4515 }
4516
4517 colo_info_init();
4518
4519 if (net_init_clients() < 0) {
4520 exit(1);
4521 }
4522
4523 if (qemu_opts_foreach(qemu_find_opts("object"),
4524 user_creatable_add_opts_foreach,
4525 object_create_delayed, NULL)) {
4526 exit(1);
4527 }
4528
4529 #ifdef CONFIG_TPM
4530 if (tpm_init() < 0) {
4531 exit(1);
4532 }
4533 #endif
4534
4535 /* init the bluetooth world */
4536 if (foreach_device_config(DEV_BT, bt_parse))
4537 exit(1);
4538
4539 if (!xen_enabled()) {
4540 /* On 32-bit hosts, QEMU is limited by virtual address space */
4541 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4542 error_report("at most 2047 MB RAM can be simulated");
4543 exit(1);
4544 }
4545 }
4546
4547 blk_mig_init();
4548 ram_mig_init();
4549
4550 /* If the currently selected machine wishes to override the units-per-bus
4551 * property of its default HBA interface type, do so now. */
4552 if (machine_class->units_per_default_bus) {
4553 override_max_devs(machine_class->block_default_type,
4554 machine_class->units_per_default_bus);
4555 }
4556
4557 /* open the virtual block devices */
4558 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4559 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4560
4561 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4562 loc_push_restore(&bdo->loc);
4563 qmp_blockdev_add(bdo->bdo, &error_fatal);
4564 loc_pop(&bdo->loc);
4565 qapi_free_BlockdevOptions(bdo->bdo);
4566 g_free(bdo);
4567 }
4568 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4569 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4570 NULL, NULL);
4571 }
4572 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4573 &machine_class->block_default_type, NULL)) {
4574 exit(1);
4575 }
4576
4577 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4578 CDROM_OPTS);
4579 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4580 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4581
4582 parse_numa_opts(current_machine);
4583
4584 if (qemu_opts_foreach(qemu_find_opts("mon"),
4585 mon_init_func, NULL, NULL)) {
4586 exit(1);
4587 }
4588
4589 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4590 exit(1);
4591 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4592 exit(1);
4593 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4594 exit(1);
4595 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4596 exit(1);
4597 }
4598 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4599 exit(1);
4600
4601 /* If no default VGA is requested, the default is "none". */
4602 if (default_vga) {
4603 if (machine_class->default_display) {
4604 vga_model = machine_class->default_display;
4605 } else if (vga_interface_available(VGA_CIRRUS)) {
4606 vga_model = "cirrus";
4607 } else if (vga_interface_available(VGA_STD)) {
4608 vga_model = "std";
4609 }
4610 }
4611 if (vga_model) {
4612 select_vgahw(vga_model);
4613 }
4614
4615 if (watchdog) {
4616 i = select_watchdog(watchdog);
4617 if (i > 0)
4618 exit (i == 1 ? 1 : 0);
4619 }
4620
4621 /* This checkpoint is required by replay to separate prior clock
4622 reading from the other reads, because timer polling functions query
4623 clock values from the log. */
4624 replay_checkpoint(CHECKPOINT_INIT);
4625 qdev_machine_init();
4626
4627 current_machine->ram_size = ram_size;
4628 current_machine->maxram_size = maxram_size;
4629 current_machine->ram_slots = ram_slots;
4630 current_machine->boot_order = boot_order;
4631 current_machine->cpu_model = cpu_model;
4632
4633 machine_run_board_init(current_machine);
4634
4635 realtime_init();
4636
4637 soundhw_init();
4638
4639 if (hax_enabled()) {
4640 hax_sync_vcpus();
4641 }
4642
4643 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4644 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4645 exit(1);
4646 }
4647
4648 /* init USB devices */
4649 if (machine_usb(current_machine)) {
4650 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4651 exit(1);
4652 }
4653
4654 /* Check if IGD GFX passthrough. */
4655 igd_gfx_passthru();
4656
4657 /* init generic devices */
4658 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4659 if (qemu_opts_foreach(qemu_find_opts("device"),
4660 device_init_func, NULL, NULL)) {
4661 exit(1);
4662 }
4663
4664 cpu_synchronize_all_post_init();
4665
4666 rom_reset_order_override();
4667
4668 /*
4669 * Create frontends for -drive if=scsi leftovers.
4670 * Normally, frontends for -drive get created by machine
4671 * initialization for onboard SCSI HBAs. However, we create a few
4672 * more ever since SCSI qdevification, but this is pretty much an
4673 * implementation accident, and deprecated.
4674 */
4675 scsi_legacy_handle_cmdline();
4676
4677 /* Did we create any drives that we failed to create a device for? */
4678 drive_check_orphaned();
4679
4680 /* Don't warn about the default network setup that you get if
4681 * no command line -net or -netdev options are specified. There
4682 * are two cases that we would otherwise complain about:
4683 * (1) board doesn't support a NIC but the implicit "-net nic"
4684 * requested one
4685 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4686 * sets up a nic that isn't connected to anything.
4687 */
4688 if (!default_net) {
4689 net_check_clients();
4690 }
4691
4692
4693 if (boot_once) {
4694 qemu_boot_set(boot_once, &error_fatal);
4695 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4696 }
4697
4698 ds = init_displaystate();
4699
4700 /* init local displays */
4701 switch (display_type) {
4702 case DT_CURSES:
4703 curses_display_init(ds, full_screen);
4704 break;
4705 case DT_SDL:
4706 sdl_display_init(ds, full_screen, no_frame);
4707 break;
4708 case DT_COCOA:
4709 cocoa_display_init(ds, full_screen);
4710 break;
4711 case DT_GTK:
4712 gtk_display_init(ds, full_screen, grab_on_hover);
4713 break;
4714 default:
4715 break;
4716 }
4717
4718 /* must be after terminal init, SDL library changes signal handlers */
4719 os_setup_signal_handling();
4720
4721 /* init remote displays */
4722 #ifdef CONFIG_VNC
4723 qemu_opts_foreach(qemu_find_opts("vnc"),
4724 vnc_init_func, NULL, NULL);
4725 #endif
4726
4727 if (using_spice) {
4728 qemu_spice_display_init();
4729 }
4730
4731 #ifdef CONFIG_OPENGL_DMABUF
4732 if (display_type == DT_EGL) {
4733 egl_headless_init();
4734 }
4735 #endif
4736
4737 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4738 exit(1);
4739 }
4740
4741 qdev_machine_creation_done();
4742
4743 /* TODO: once all bus devices are qdevified, this should be done
4744 * when bus is created by qdev.c */
4745 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4746 qemu_run_machine_init_done_notifiers();
4747
4748 if (rom_check_and_register_reset() != 0) {
4749 error_report("rom check and register reset failed");
4750 exit(1);
4751 }
4752
4753 replay_start();
4754
4755 /* This checkpoint is required by replay to separate prior clock
4756 reading from the other reads, because timer polling functions query
4757 clock values from the log. */
4758 replay_checkpoint(CHECKPOINT_RESET);
4759 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4760 register_global_state();
4761 if (replay_mode != REPLAY_MODE_NONE) {
4762 replay_vmstate_init();
4763 } else if (loadvm) {
4764 Error *local_err = NULL;
4765 if (load_snapshot(loadvm, &local_err) < 0) {
4766 error_report_err(local_err);
4767 autostart = 0;
4768 }
4769 }
4770
4771 qdev_prop_check_globals();
4772 if (vmstate_dump_file) {
4773 /* dump and exit */
4774 dump_vmstate_json_to_file(vmstate_dump_file);
4775 return 0;
4776 }
4777
4778 if (incoming) {
4779 Error *local_err = NULL;
4780 qemu_start_incoming_migration(incoming, &local_err);
4781 if (local_err) {
4782 error_reportf_err(local_err, "-incoming %s: ", incoming);
4783 exit(1);
4784 }
4785 } else if (autostart) {
4786 vm_start();
4787 }
4788
4789 os_setup_post();
4790
4791 main_loop();
4792 replay_disable_events();
4793 iothread_stop_all();
4794
4795 pause_all_vcpus();
4796 bdrv_close_all();
4797 res_free();
4798
4799 /* vhost-user must be cleaned up before chardevs. */
4800 net_cleanup();
4801 audio_cleanup();
4802 monitor_cleanup();
4803 qemu_chr_cleanup();
4804 /* TODO: unref root container, check all devices are ok */
4805
4806 return 0;
4807 }
QEmu