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qemu-iotests/109: Fix lock race condition
[qemu/ar7.git] / vl.c
blob99fcfa04421a59100e1df6a3f47e30834d960f71
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
1947 exit(exitcode);
1948 }
1949
1950 #define HAS_ARG 0x0001
1951
1952 typedef struct QEMUOption {
1953 const char *name;
1954 int flags;
1955 int index;
1956 uint32_t arch_mask;
1957 } QEMUOption;
1958
1959 static const QEMUOption qemu_options[] = {
1960 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1961 #define QEMU_OPTIONS_GENERATE_OPTIONS
1962 #include "qemu-options-wrapper.h"
1963 { NULL },
1964 };
1965
1966 typedef struct VGAInterfaceInfo {
1967 const char *opt_name; /* option name */
1968 const char *name; /* human-readable name */
1969 /* Class names indicating that support is available.
1970 * If no class is specified, the interface is always available */
1971 const char *class_names[2];
1972 } VGAInterfaceInfo;
1973
1974 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1975 [VGA_NONE] = {
1976 .opt_name = "none",
1977 },
1978 [VGA_STD] = {
1979 .opt_name = "std",
1980 .name = "standard VGA",
1981 .class_names = { "VGA", "isa-vga" },
1982 },
1983 [VGA_CIRRUS] = {
1984 .opt_name = "cirrus",
1985 .name = "Cirrus VGA",
1986 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1987 },
1988 [VGA_VMWARE] = {
1989 .opt_name = "vmware",
1990 .name = "VMWare SVGA",
1991 .class_names = { "vmware-svga" },
1992 },
1993 [VGA_VIRTIO] = {
1994 .opt_name = "virtio",
1995 .name = "Virtio VGA",
1996 .class_names = { "virtio-vga" },
1997 },
1998 [VGA_QXL] = {
1999 .opt_name = "qxl",
2000 .name = "QXL VGA",
2001 .class_names = { "qxl-vga" },
2002 },
2003 [VGA_TCX] = {
2004 .opt_name = "tcx",
2005 .name = "TCX framebuffer",
2006 .class_names = { "SUNW,tcx" },
2007 },
2008 [VGA_CG3] = {
2009 .opt_name = "cg3",
2010 .name = "CG3 framebuffer",
2011 .class_names = { "cgthree" },
2012 },
2013 [VGA_XENFB] = {
2014 .opt_name = "xenfb",
2015 },
2016 };
2017
2018 static bool vga_interface_available(VGAInterfaceType t)
2019 {
2020 VGAInterfaceInfo *ti = &vga_interfaces[t];
2021
2022 assert(t < VGA_TYPE_MAX);
2023 return !ti->class_names[0] ||
2024 object_class_by_name(ti->class_names[0]) ||
2025 object_class_by_name(ti->class_names[1]);
2026 }
2027
2028 static void select_vgahw(const char *p)
2029 {
2030 const char *opts;
2031 int t;
2032
2033 assert(vga_interface_type == VGA_NONE);
2034 for (t = 0; t < VGA_TYPE_MAX; t++) {
2035 VGAInterfaceInfo *ti = &vga_interfaces[t];
2036 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2037 if (!vga_interface_available(t)) {
2038 error_report("%s not available", ti->name);
2039 exit(1);
2040 }
2041 vga_interface_type = t;
2042 break;
2043 }
2044 }
2045 if (t == VGA_TYPE_MAX) {
2046 invalid_vga:
2047 error_report("unknown vga type: %s", p);
2048 exit(1);
2049 }
2050 while (*opts) {
2051 const char *nextopt;
2052
2053 if (strstart(opts, ",retrace=", &nextopt)) {
2054 opts = nextopt;
2055 if (strstart(opts, "dumb", &nextopt))
2056 vga_retrace_method = VGA_RETRACE_DUMB;
2057 else if (strstart(opts, "precise", &nextopt))
2058 vga_retrace_method = VGA_RETRACE_PRECISE;
2059 else goto invalid_vga;
2060 } else goto invalid_vga;
2061 opts = nextopt;
2062 }
2063 }
2064
2065 typedef enum DisplayType {
2066 DT_DEFAULT,
2067 DT_CURSES,
2068 DT_SDL,
2069 DT_COCOA,
2070 DT_GTK,
2071 DT_EGL,
2072 DT_NONE,
2073 } DisplayType;
2074
2075 static DisplayType select_display(const char *p)
2076 {
2077 const char *opts;
2078 DisplayType display = DT_DEFAULT;
2079
2080 if (strstart(p, "sdl", &opts)) {
2081 #ifdef CONFIG_SDL
2082 display = DT_SDL;
2083 while (*opts) {
2084 const char *nextopt;
2085
2086 if (strstart(opts, ",frame=", &nextopt)) {
2087 opts = nextopt;
2088 if (strstart(opts, "on", &nextopt)) {
2089 no_frame = 0;
2090 } else if (strstart(opts, "off", &nextopt)) {
2091 no_frame = 1;
2092 } else {
2093 goto invalid_sdl_args;
2094 }
2095 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2096 opts = nextopt;
2097 if (strstart(opts, "on", &nextopt)) {
2098 alt_grab = 1;
2099 } else if (strstart(opts, "off", &nextopt)) {
2100 alt_grab = 0;
2101 } else {
2102 goto invalid_sdl_args;
2103 }
2104 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2105 opts = nextopt;
2106 if (strstart(opts, "on", &nextopt)) {
2107 ctrl_grab = 1;
2108 } else if (strstart(opts, "off", &nextopt)) {
2109 ctrl_grab = 0;
2110 } else {
2111 goto invalid_sdl_args;
2112 }
2113 } else if (strstart(opts, ",window_close=", &nextopt)) {
2114 opts = nextopt;
2115 if (strstart(opts, "on", &nextopt)) {
2116 no_quit = 0;
2117 } else if (strstart(opts, "off", &nextopt)) {
2118 no_quit = 1;
2119 } else {
2120 goto invalid_sdl_args;
2121 }
2122 } else if (strstart(opts, ",gl=", &nextopt)) {
2123 opts = nextopt;
2124 if (strstart(opts, "on", &nextopt)) {
2125 request_opengl = 1;
2126 } else if (strstart(opts, "off", &nextopt)) {
2127 request_opengl = 0;
2128 } else {
2129 goto invalid_sdl_args;
2130 }
2131 } else {
2132 invalid_sdl_args:
2133 error_report("invalid SDL option string");
2134 exit(1);
2135 }
2136 opts = nextopt;
2137 }
2138 #else
2139 error_report("SDL support is disabled");
2140 exit(1);
2141 #endif
2142 } else if (strstart(p, "vnc", &opts)) {
2143 if (*opts == '=') {
2144 vnc_parse(opts + 1, &error_fatal);
2145 } else {
2146 error_report("VNC requires a display argument vnc=<display>");
2147 exit(1);
2148 }
2149 } else if (strstart(p, "egl-headless", &opts)) {
2150 #ifdef CONFIG_OPENGL_DMABUF
2151 request_opengl = 1;
2152 display_opengl = 1;
2153 display = DT_EGL;
2154 #else
2155 fprintf(stderr, "egl support is disabled\n");
2156 exit(1);
2157 #endif
2158 } else if (strstart(p, "curses", &opts)) {
2159 #ifdef CONFIG_CURSES
2160 display = DT_CURSES;
2161 #else
2162 error_report("curses support is disabled");
2163 exit(1);
2164 #endif
2165 } else if (strstart(p, "gtk", &opts)) {
2166 #ifdef CONFIG_GTK
2167 display = DT_GTK;
2168 while (*opts) {
2169 const char *nextopt;
2170
2171 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2172 opts = nextopt;
2173 if (strstart(opts, "on", &nextopt)) {
2174 grab_on_hover = true;
2175 } else if (strstart(opts, "off", &nextopt)) {
2176 grab_on_hover = false;
2177 } else {
2178 goto invalid_gtk_args;
2179 }
2180 } else if (strstart(opts, ",gl=", &nextopt)) {
2181 opts = nextopt;
2182 if (strstart(opts, "on", &nextopt)) {
2183 request_opengl = 1;
2184 } else if (strstart(opts, "off", &nextopt)) {
2185 request_opengl = 0;
2186 } else {
2187 goto invalid_gtk_args;
2188 }
2189 } else {
2190 invalid_gtk_args:
2191 error_report("invalid GTK option string");
2192 exit(1);
2193 }
2194 opts = nextopt;
2195 }
2196 #else
2197 error_report("GTK support is disabled");
2198 exit(1);
2199 #endif
2200 } else if (strstart(p, "none", &opts)) {
2201 display = DT_NONE;
2202 } else {
2203 error_report("unknown display type");
2204 exit(1);
2205 }
2206
2207 return display;
2208 }
2209
2210 static int balloon_parse(const char *arg)
2211 {
2212 QemuOpts *opts;
2213
2214 if (strcmp(arg, "none") == 0) {
2215 return 0;
2216 }
2217
2218 if (!strncmp(arg, "virtio", 6)) {
2219 if (arg[6] == ',') {
2220 /* have params -> parse them */
2221 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2222 false);
2223 if (!opts)
2224 return -1;
2225 } else {
2226 /* create empty opts */
2227 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2228 &error_abort);
2229 }
2230 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2231 return 0;
2232 }
2233
2234 return -1;
2235 }
2236
2237 char *qemu_find_file(int type, const char *name)
2238 {
2239 int i;
2240 const char *subdir;
2241 char *buf;
2242
2243 /* Try the name as a straight path first */
2244 if (access(name, R_OK) == 0) {
2245 trace_load_file(name, name);
2246 return g_strdup(name);
2247 }
2248
2249 switch (type) {
2250 case QEMU_FILE_TYPE_BIOS:
2251 subdir = "";
2252 break;
2253 case QEMU_FILE_TYPE_KEYMAP:
2254 subdir = "keymaps/";
2255 break;
2256 default:
2257 abort();
2258 }
2259
2260 for (i = 0; i < data_dir_idx; i++) {
2261 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2262 if (access(buf, R_OK) == 0) {
2263 trace_load_file(name, buf);
2264 return buf;
2265 }
2266 g_free(buf);
2267 }
2268 return NULL;
2269 }
2270
2271 static inline bool nonempty_str(const char *str)
2272 {
2273 return str && *str;
2274 }
2275
2276 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2277 {
2278 gchar *buf;
2279 size_t size;
2280 const char *name, *file, *str;
2281 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2282
2283 if (fw_cfg == NULL) {
2284 error_report("fw_cfg device not available");
2285 return -1;
2286 }
2287 name = qemu_opt_get(opts, "name");
2288 file = qemu_opt_get(opts, "file");
2289 str = qemu_opt_get(opts, "string");
2290
2291 /* we need name and either a file or the content string */
2292 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2293 error_report("invalid argument(s)");
2294 return -1;
2295 }
2296 if (nonempty_str(file) && nonempty_str(str)) {
2297 error_report("file and string are mutually exclusive");
2298 return -1;
2299 }
2300 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2301 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2302 return -1;
2303 }
2304 if (strncmp(name, "opt/", 4) != 0) {
2305 warn_report("externally provided fw_cfg item names "
2306 "should be prefixed with \"opt/\"");
2307 }
2308 if (nonempty_str(str)) {
2309 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2310 buf = g_memdup(str, size);
2311 } else {
2312 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2313 error_report("can't load %s", file);
2314 return -1;
2315 }
2316 }
2317 /* For legacy, keep user files in a specific global order. */
2318 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2319 fw_cfg_add_file(fw_cfg, name, buf, size);
2320 fw_cfg_reset_order_override(fw_cfg);
2321 return 0;
2322 }
2323
2324 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2325 {
2326 return qdev_device_help(opts);
2327 }
2328
2329 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2330 {
2331 Error *err = NULL;
2332 DeviceState *dev;
2333
2334 dev = qdev_device_add(opts, &err);
2335 if (!dev) {
2336 error_report_err(err);
2337 return -1;
2338 }
2339 object_unref(OBJECT(dev));
2340 return 0;
2341 }
2342
2343 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2344 {
2345 Error *local_err = NULL;
2346
2347 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2348 if (local_err) {
2349 error_report_err(local_err);
2350 return -1;
2351 }
2352 exit(0);
2353 }
2354 return 0;
2355 }
2356
2357 #ifdef CONFIG_VIRTFS
2358 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2359 {
2360 return qemu_fsdev_add(opts);
2361 }
2362 #endif
2363
2364 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2365 {
2366 Chardev *chr;
2367 const char *chardev;
2368 const char *mode;
2369 int flags;
2370
2371 mode = qemu_opt_get(opts, "mode");
2372 if (mode == NULL) {
2373 mode = "readline";
2374 }
2375 if (strcmp(mode, "readline") == 0) {
2376 flags = MONITOR_USE_READLINE;
2377 } else if (strcmp(mode, "control") == 0) {
2378 flags = MONITOR_USE_CONTROL;
2379 } else {
2380 error_report("unknown monitor mode \"%s\"", mode);
2381 exit(1);
2382 }
2383
2384 if (qemu_opt_get_bool(opts, "pretty", 0))
2385 flags |= MONITOR_USE_PRETTY;
2386
2387 if (qemu_opt_get_bool(opts, "default", 0)) {
2388 error_report("option 'default' does nothing and is deprecated");
2389 }
2390
2391 chardev = qemu_opt_get(opts, "chardev");
2392 chr = qemu_chr_find(chardev);
2393 if (chr == NULL) {
2394 error_report("chardev \"%s\" not found", chardev);
2395 exit(1);
2396 }
2397
2398 monitor_init(chr, flags);
2399 return 0;
2400 }
2401
2402 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2403 {
2404 static int monitor_device_index = 0;
2405 QemuOpts *opts;
2406 const char *p;
2407 char label[32];
2408
2409 if (strstart(optarg, "chardev:", &p)) {
2410 snprintf(label, sizeof(label), "%s", p);
2411 } else {
2412 snprintf(label, sizeof(label), "compat_monitor%d",
2413 monitor_device_index);
2414 opts = qemu_chr_parse_compat(label, optarg);
2415 if (!opts) {
2416 error_report("parse error: %s", optarg);
2417 exit(1);
2418 }
2419 }
2420
2421 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2422 qemu_opt_set(opts, "mode", mode, &error_abort);
2423 qemu_opt_set(opts, "chardev", label, &error_abort);
2424 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2425 monitor_device_index++;
2426 }
2427
2428 struct device_config {
2429 enum {
2430 DEV_USB, /* -usbdevice */
2431 DEV_BT, /* -bt */
2432 DEV_SERIAL, /* -serial */
2433 DEV_PARALLEL, /* -parallel */
2434 DEV_VIRTCON, /* -virtioconsole */
2435 DEV_DEBUGCON, /* -debugcon */
2436 DEV_GDB, /* -gdb, -s */
2437 DEV_SCLP, /* s390 sclp */
2438 } type;
2439 const char *cmdline;
2440 Location loc;
2441 QTAILQ_ENTRY(device_config) next;
2442 };
2443
2444 static QTAILQ_HEAD(, device_config) device_configs =
2445 QTAILQ_HEAD_INITIALIZER(device_configs);
2446
2447 static void add_device_config(int type, const char *cmdline)
2448 {
2449 struct device_config *conf;
2450
2451 conf = g_malloc0(sizeof(*conf));
2452 conf->type = type;
2453 conf->cmdline = cmdline;
2454 loc_save(&conf->loc);
2455 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2456 }
2457
2458 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2459 {
2460 struct device_config *conf;
2461 int rc;
2462
2463 QTAILQ_FOREACH(conf, &device_configs, next) {
2464 if (conf->type != type)
2465 continue;
2466 loc_push_restore(&conf->loc);
2467 rc = func(conf->cmdline);
2468 loc_pop(&conf->loc);
2469 if (rc) {
2470 return rc;
2471 }
2472 }
2473 return 0;
2474 }
2475
2476 static int serial_parse(const char *devname)
2477 {
2478 static int index = 0;
2479 char label[32];
2480
2481 if (strcmp(devname, "none") == 0)
2482 return 0;
2483 if (index == MAX_SERIAL_PORTS) {
2484 error_report("too many serial ports");
2485 exit(1);
2486 }
2487 snprintf(label, sizeof(label), "serial%d", index);
2488 serial_hds[index] = qemu_chr_new(label, devname);
2489 if (!serial_hds[index]) {
2490 error_report("could not connect serial device"
2491 " to character backend '%s'", devname);
2492 return -1;
2493 }
2494 index++;
2495 return 0;
2496 }
2497
2498 static int parallel_parse(const char *devname)
2499 {
2500 static int index = 0;
2501 char label[32];
2502
2503 if (strcmp(devname, "none") == 0)
2504 return 0;
2505 if (index == MAX_PARALLEL_PORTS) {
2506 error_report("too many parallel ports");
2507 exit(1);
2508 }
2509 snprintf(label, sizeof(label), "parallel%d", index);
2510 parallel_hds[index] = qemu_chr_new(label, devname);
2511 if (!parallel_hds[index]) {
2512 error_report("could not connect parallel device"
2513 " to character backend '%s'", devname);
2514 return -1;
2515 }
2516 index++;
2517 return 0;
2518 }
2519
2520 static int virtcon_parse(const char *devname)
2521 {
2522 QemuOptsList *device = qemu_find_opts("device");
2523 static int index = 0;
2524 char label[32];
2525 QemuOpts *bus_opts, *dev_opts;
2526
2527 if (strcmp(devname, "none") == 0)
2528 return 0;
2529 if (index == MAX_VIRTIO_CONSOLES) {
2530 error_report("too many virtio consoles");
2531 exit(1);
2532 }
2533
2534 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2535 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2536
2537 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2538 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2539
2540 snprintf(label, sizeof(label), "virtcon%d", index);
2541 virtcon_hds[index] = qemu_chr_new(label, devname);
2542 if (!virtcon_hds[index]) {
2543 error_report("could not connect virtio console"
2544 " to character backend '%s'", devname);
2545 return -1;
2546 }
2547 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2548
2549 index++;
2550 return 0;
2551 }
2552
2553 static int sclp_parse(const char *devname)
2554 {
2555 QemuOptsList *device = qemu_find_opts("device");
2556 static int index = 0;
2557 char label[32];
2558 QemuOpts *dev_opts;
2559
2560 if (strcmp(devname, "none") == 0) {
2561 return 0;
2562 }
2563 if (index == MAX_SCLP_CONSOLES) {
2564 error_report("too many sclp consoles");
2565 exit(1);
2566 }
2567
2568 assert(arch_type == QEMU_ARCH_S390X);
2569
2570 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2571 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2572
2573 snprintf(label, sizeof(label), "sclpcon%d", index);
2574 sclp_hds[index] = qemu_chr_new(label, devname);
2575 if (!sclp_hds[index]) {
2576 error_report("could not connect sclp console"
2577 " to character backend '%s'", devname);
2578 return -1;
2579 }
2580 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2581
2582 index++;
2583 return 0;
2584 }
2585
2586 static int debugcon_parse(const char *devname)
2587 {
2588 QemuOpts *opts;
2589
2590 if (!qemu_chr_new("debugcon", devname)) {
2591 exit(1);
2592 }
2593 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2594 if (!opts) {
2595 error_report("already have a debugcon device");
2596 exit(1);
2597 }
2598 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2599 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2600 return 0;
2601 }
2602
2603 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2604 {
2605 const MachineClass *mc1 = a, *mc2 = b;
2606 int res;
2607
2608 if (mc1->family == NULL) {
2609 if (mc2->family == NULL) {
2610 /* Compare standalone machine types against each other; they sort
2611 * in increasing order.
2612 */
2613 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2614 object_class_get_name(OBJECT_CLASS(mc2)));
2615 }
2616
2617 /* Standalone machine types sort after families. */
2618 return 1;
2619 }
2620
2621 if (mc2->family == NULL) {
2622 /* Families sort before standalone machine types. */
2623 return -1;
2624 }
2625
2626 /* Families sort between each other alphabetically increasingly. */
2627 res = strcmp(mc1->family, mc2->family);
2628 if (res != 0) {
2629 return res;
2630 }
2631
2632 /* Within the same family, machine types sort in decreasing order. */
2633 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2634 object_class_get_name(OBJECT_CLASS(mc1)));
2635 }
2636
2637 static MachineClass *machine_parse(const char *name)
2638 {
2639 MachineClass *mc = NULL;
2640 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2641
2642 if (name) {
2643 mc = find_machine(name);
2644 }
2645 if (mc) {
2646 g_slist_free(machines);
2647 return mc;
2648 }
2649 if (name && !is_help_option(name)) {
2650 error_report("unsupported machine type");
2651 error_printf("Use -machine help to list supported machines\n");
2652 } else {
2653 printf("Supported machines are:\n");
2654 machines = g_slist_sort(machines, machine_class_cmp);
2655 for (el = machines; el; el = el->next) {
2656 MachineClass *mc = el->data;
2657 if (mc->alias) {
2658 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2659 }
2660 printf("%-20s %s%s\n", mc->name, mc->desc,
2661 mc->is_default ? " (default)" : "");
2662 }
2663 }
2664
2665 g_slist_free(machines);
2666 exit(!name || !is_help_option(name));
2667 }
2668
2669 void qemu_add_exit_notifier(Notifier *notify)
2670 {
2671 notifier_list_add(&exit_notifiers, notify);
2672 }
2673
2674 void qemu_remove_exit_notifier(Notifier *notify)
2675 {
2676 notifier_remove(notify);
2677 }
2678
2679 static void qemu_run_exit_notifiers(void)
2680 {
2681 notifier_list_notify(&exit_notifiers, NULL);
2682 }
2683
2684 static bool machine_init_done;
2685
2686 void qemu_add_machine_init_done_notifier(Notifier *notify)
2687 {
2688 notifier_list_add(&machine_init_done_notifiers, notify);
2689 if (machine_init_done) {
2690 notify->notify(notify, NULL);
2691 }
2692 }
2693
2694 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2695 {
2696 notifier_remove(notify);
2697 }
2698
2699 static void qemu_run_machine_init_done_notifiers(void)
2700 {
2701 notifier_list_notify(&machine_init_done_notifiers, NULL);
2702 machine_init_done = true;
2703 }
2704
2705 static const QEMUOption *lookup_opt(int argc, char **argv,
2706 const char **poptarg, int *poptind)
2707 {
2708 const QEMUOption *popt;
2709 int optind = *poptind;
2710 char *r = argv[optind];
2711 const char *optarg;
2712
2713 loc_set_cmdline(argv, optind, 1);
2714 optind++;
2715 /* Treat --foo the same as -foo. */
2716 if (r[1] == '-')
2717 r++;
2718 popt = qemu_options;
2719 for(;;) {
2720 if (!popt->name) {
2721 error_report("invalid option");
2722 exit(1);
2723 }
2724 if (!strcmp(popt->name, r + 1))
2725 break;
2726 popt++;
2727 }
2728 if (popt->flags & HAS_ARG) {
2729 if (optind >= argc) {
2730 error_report("requires an argument");
2731 exit(1);
2732 }
2733 optarg = argv[optind++];
2734 loc_set_cmdline(argv, optind - 2, 2);
2735 } else {
2736 optarg = NULL;
2737 }
2738
2739 *poptarg = optarg;
2740 *poptind = optind;
2741
2742 return popt;
2743 }
2744
2745 static MachineClass *select_machine(void)
2746 {
2747 MachineClass *machine_class = find_default_machine();
2748 const char *optarg;
2749 QemuOpts *opts;
2750 Location loc;
2751
2752 loc_push_none(&loc);
2753
2754 opts = qemu_get_machine_opts();
2755 qemu_opts_loc_restore(opts);
2756
2757 optarg = qemu_opt_get(opts, "type");
2758 if (optarg) {
2759 machine_class = machine_parse(optarg);
2760 }
2761
2762 if (!machine_class) {
2763 error_report("No machine specified, and there is no default");
2764 error_printf("Use -machine help to list supported machines\n");
2765 exit(1);
2766 }
2767
2768 loc_pop(&loc);
2769 return machine_class;
2770 }
2771
2772 static int machine_set_property(void *opaque,
2773 const char *name, const char *value,
2774 Error **errp)
2775 {
2776 Object *obj = OBJECT(opaque);
2777 Error *local_err = NULL;
2778 char *p, *qom_name;
2779
2780 if (strcmp(name, "type") == 0) {
2781 return 0;
2782 }
2783
2784 qom_name = g_strdup(name);
2785 for (p = qom_name; *p; p++) {
2786 if (*p == '_') {
2787 *p = '-';
2788 }
2789 }
2790
2791 object_property_parse(obj, value, qom_name, &local_err);
2792 g_free(qom_name);
2793
2794 if (local_err) {
2795 error_report_err(local_err);
2796 return -1;
2797 }
2798
2799 return 0;
2800 }
2801
2802
2803 /*
2804 * Initial object creation happens before all other
2805 * QEMU data types are created. The majority of objects
2806 * can be created at this point. The rng-egd object
2807 * cannot be created here, as it depends on the chardev
2808 * already existing.
2809 */
2810 static bool object_create_initial(const char *type)
2811 {
2812 if (g_str_equal(type, "rng-egd")) {
2813 return false;
2814 }
2815
2816 /*
2817 * return false for concrete netfilters since
2818 * they depend on netdevs already existing
2819 */
2820 if (g_str_equal(type, "filter-buffer") ||
2821 g_str_equal(type, "filter-dump") ||
2822 g_str_equal(type, "filter-mirror") ||
2823 g_str_equal(type, "filter-redirector") ||
2824 g_str_equal(type, "colo-compare") ||
2825 g_str_equal(type, "filter-rewriter") ||
2826 g_str_equal(type, "filter-replay")) {
2827 return false;
2828 }
2829
2830 /* Memory allocation by backends needs to be done
2831 * after configure_accelerator() (due to the tcg_enabled()
2832 * checks at memory_region_init_*()).
2833 *
2834 * Also, allocation of large amounts of memory may delay
2835 * chardev initialization for too long, and trigger timeouts
2836 * on software that waits for a monitor socket to be created
2837 * (e.g. libvirt).
2838 */
2839 if (g_str_has_prefix(type, "memory-backend-")) {
2840 return false;
2841 }
2842
2843 return true;
2844 }
2845
2846
2847 /*
2848 * The remainder of object creation happens after the
2849 * creation of chardev, fsdev, net clients and device data types.
2850 */
2851 static bool object_create_delayed(const char *type)
2852 {
2853 return !object_create_initial(type);
2854 }
2855
2856
2857 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2858 MachineClass *mc)
2859 {
2860 uint64_t sz;
2861 const char *mem_str;
2862 const char *maxmem_str, *slots_str;
2863 const ram_addr_t default_ram_size = mc->default_ram_size;
2864 QemuOpts *opts = qemu_find_opts_singleton("memory");
2865 Location loc;
2866
2867 loc_push_none(&loc);
2868 qemu_opts_loc_restore(opts);
2869
2870 sz = 0;
2871 mem_str = qemu_opt_get(opts, "size");
2872 if (mem_str) {
2873 if (!*mem_str) {
2874 error_report("missing 'size' option value");
2875 exit(EXIT_FAILURE);
2876 }
2877
2878 sz = qemu_opt_get_size(opts, "size", ram_size);
2879
2880 /* Fix up legacy suffix-less format */
2881 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2882 uint64_t overflow_check = sz;
2883
2884 sz <<= 20;
2885 if ((sz >> 20) != overflow_check) {
2886 error_report("too large 'size' option value");
2887 exit(EXIT_FAILURE);
2888 }
2889 }
2890 }
2891
2892 /* backward compatibility behaviour for case "-m 0" */
2893 if (sz == 0) {
2894 sz = default_ram_size;
2895 }
2896
2897 sz = QEMU_ALIGN_UP(sz, 8192);
2898 ram_size = sz;
2899 if (ram_size != sz) {
2900 error_report("ram size too large");
2901 exit(EXIT_FAILURE);
2902 }
2903
2904 /* store value for the future use */
2905 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2906 *maxram_size = ram_size;
2907
2908 maxmem_str = qemu_opt_get(opts, "maxmem");
2909 slots_str = qemu_opt_get(opts, "slots");
2910 if (maxmem_str && slots_str) {
2911 uint64_t slots;
2912
2913 sz = qemu_opt_get_size(opts, "maxmem", 0);
2914 slots = qemu_opt_get_number(opts, "slots", 0);
2915 if (sz < ram_size) {
2916 error_report("invalid value of -m option maxmem: "
2917 "maximum memory size (0x%" PRIx64 ") must be at least "
2918 "the initial memory size (0x" RAM_ADDR_FMT ")",
2919 sz, ram_size);
2920 exit(EXIT_FAILURE);
2921 } else if (sz > ram_size) {
2922 if (!slots) {
2923 error_report("invalid value of -m option: maxmem was "
2924 "specified, but no hotplug slots were specified");
2925 exit(EXIT_FAILURE);
2926 }
2927 } else if (slots) {
2928 error_report("invalid value of -m option maxmem: "
2929 "memory slots were specified but maximum memory size "
2930 "(0x%" PRIx64 ") is equal to the initial memory size "
2931 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2932 exit(EXIT_FAILURE);
2933 }
2934
2935 *maxram_size = sz;
2936 *ram_slots = slots;
2937 } else if ((!maxmem_str && slots_str) ||
2938 (maxmem_str && !slots_str)) {
2939 error_report("invalid -m option value: missing "
2940 "'%s' option", slots_str ? "maxmem" : "slots");
2941 exit(EXIT_FAILURE);
2942 }
2943
2944 loc_pop(&loc);
2945 }
2946
2947 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2948 {
2949 GlobalProperty *g;
2950
2951 g = g_malloc0(sizeof(*g));
2952 g->driver = qemu_opt_get(opts, "driver");
2953 g->property = qemu_opt_get(opts, "property");
2954 g->value = qemu_opt_get(opts, "value");
2955 g->user_provided = true;
2956 g->errp = &error_fatal;
2957 qdev_prop_register_global(g);
2958 return 0;
2959 }
2960
2961 static int qemu_read_default_config_file(void)
2962 {
2963 int ret;
2964
2965 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2966 if (ret < 0 && ret != -ENOENT) {
2967 return ret;
2968 }
2969
2970 return 0;
2971 }
2972
2973 static void user_register_global_props(void)
2974 {
2975 qemu_opts_foreach(qemu_find_opts("global"),
2976 global_init_func, NULL, NULL);
2977 }
2978
2979 /*
2980 * Note: we should see that these properties are actually having a
2981 * priority: accel < machine < user. This means e.g. when user
2982 * specifies something in "-global", it'll always be used with highest
2983 * priority than either machine/accelerator compat properties.
2984 */
2985 static void register_global_properties(MachineState *ms)
2986 {
2987 accel_register_compat_props(ms->accelerator);
2988 machine_register_compat_props(ms);
2989 user_register_global_props();
2990 }
2991
2992 int main(int argc, char **argv, char **envp)
2993 {
2994 int i;
2995 int snapshot, linux_boot;
2996 const char *initrd_filename;
2997 const char *kernel_filename, *kernel_cmdline;
2998 const char *boot_order = NULL;
2999 const char *boot_once = NULL;
3000 DisplayState *ds;
3001 int cyls, heads, secs, translation;
3002 QemuOpts *opts, *machine_opts;
3003 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
3004 QemuOptsList *olist;
3005 int optind;
3006 const char *optarg;
3007 const char *loadvm = NULL;
3008 MachineClass *machine_class;
3009 const char *cpu_model;
3010 const char *vga_model = NULL;
3011 const char *qtest_chrdev = NULL;
3012 const char *qtest_log = NULL;
3013 const char *pid_file = NULL;
3014 const char *incoming = NULL;
3015 bool defconfig = true;
3016 bool userconfig = true;
3017 bool nographic = false;
3018 DisplayType display_type = DT_DEFAULT;
3019 int display_remote = 0;
3020 const char *log_mask = NULL;
3021 const char *log_file = NULL;
3022 char *trace_file = NULL;
3023 ram_addr_t maxram_size;
3024 uint64_t ram_slots = 0;
3025 FILE *vmstate_dump_file = NULL;
3026 Error *main_loop_err = NULL;
3027 Error *err = NULL;
3028 bool list_data_dirs = false;
3029 typedef struct BlockdevOptions_queue {
3030 BlockdevOptions *bdo;
3031 Location loc;
3032 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3033 } BlockdevOptions_queue;
3034 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3035 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3036
3037 module_call_init(MODULE_INIT_TRACE);
3038
3039 qemu_init_cpu_list();
3040 qemu_init_cpu_loop();
3041 qemu_mutex_lock_iothread();
3042
3043 atexit(qemu_run_exit_notifiers);
3044 error_set_progname(argv[0]);
3045 qemu_init_exec_dir(argv[0]);
3046
3047 module_call_init(MODULE_INIT_QOM);
3048 monitor_init_qmp_commands();
3049
3050 qemu_add_opts(&qemu_drive_opts);
3051 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3052 qemu_add_drive_opts(&qemu_common_drive_opts);
3053 qemu_add_drive_opts(&qemu_drive_opts);
3054 qemu_add_drive_opts(&bdrv_runtime_opts);
3055 qemu_add_opts(&qemu_chardev_opts);
3056 qemu_add_opts(&qemu_device_opts);
3057 qemu_add_opts(&qemu_netdev_opts);
3058 qemu_add_opts(&qemu_net_opts);
3059 qemu_add_opts(&qemu_rtc_opts);
3060 qemu_add_opts(&qemu_global_opts);
3061 qemu_add_opts(&qemu_mon_opts);
3062 qemu_add_opts(&qemu_trace_opts);
3063 qemu_add_opts(&qemu_option_rom_opts);
3064 qemu_add_opts(&qemu_machine_opts);
3065 qemu_add_opts(&qemu_accel_opts);
3066 qemu_add_opts(&qemu_mem_opts);
3067 qemu_add_opts(&qemu_smp_opts);
3068 qemu_add_opts(&qemu_boot_opts);
3069 qemu_add_opts(&qemu_sandbox_opts);
3070 qemu_add_opts(&qemu_add_fd_opts);
3071 qemu_add_opts(&qemu_object_opts);
3072 qemu_add_opts(&qemu_tpmdev_opts);
3073 qemu_add_opts(&qemu_realtime_opts);
3074 qemu_add_opts(&qemu_msg_opts);
3075 qemu_add_opts(&qemu_name_opts);
3076 qemu_add_opts(&qemu_numa_opts);
3077 qemu_add_opts(&qemu_icount_opts);
3078 qemu_add_opts(&qemu_semihosting_config_opts);
3079 qemu_add_opts(&qemu_fw_cfg_opts);
3080 module_call_init(MODULE_INIT_OPTS);
3081
3082 runstate_init();
3083
3084 if (qcrypto_init(&err) < 0) {
3085 error_reportf_err(err, "cannot initialize crypto: ");
3086 exit(1);
3087 }
3088 rtc_clock = QEMU_CLOCK_HOST;
3089
3090 QLIST_INIT (&vm_change_state_head);
3091 os_setup_early_signal_handling();
3092
3093 cpu_model = NULL;
3094 snapshot = 0;
3095 cyls = heads = secs = 0;
3096 translation = BIOS_ATA_TRANSLATION_AUTO;
3097
3098 nb_nics = 0;
3099
3100 bdrv_init_with_whitelist();
3101
3102 autostart = 1;
3103
3104 /* first pass of option parsing */
3105 optind = 1;
3106 while (optind < argc) {
3107 if (argv[optind][0] != '-') {
3108 /* disk image */
3109 optind++;
3110 } else {
3111 const QEMUOption *popt;
3112
3113 popt = lookup_opt(argc, argv, &optarg, &optind);
3114 switch (popt->index) {
3115 case QEMU_OPTION_nodefconfig:
3116 defconfig = false;
3117 break;
3118 case QEMU_OPTION_nouserconfig:
3119 userconfig = false;
3120 break;
3121 }
3122 }
3123 }
3124
3125 if (defconfig && userconfig) {
3126 if (qemu_read_default_config_file() < 0) {
3127 exit(1);
3128 }
3129 }
3130
3131 /* second pass of option parsing */
3132 optind = 1;
3133 for(;;) {
3134 if (optind >= argc)
3135 break;
3136 if (argv[optind][0] != '-') {
3137 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3138 } else {
3139 const QEMUOption *popt;
3140
3141 popt = lookup_opt(argc, argv, &optarg, &optind);
3142 if (!(popt->arch_mask & arch_type)) {
3143 error_report("Option not supported for this target");
3144 exit(1);
3145 }
3146 switch(popt->index) {
3147 case QEMU_OPTION_no_kvm_irqchip: {
3148 olist = qemu_find_opts("machine");
3149 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3150 break;
3151 }
3152 case QEMU_OPTION_cpu:
3153 /* hw initialization will check this */
3154 cpu_model = optarg;
3155 break;
3156 case QEMU_OPTION_hda:
3157 {
3158 char buf[256];
3159 if (cyls == 0)
3160 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3161 else
3162 snprintf(buf, sizeof(buf),
3163 "%s,cyls=%d,heads=%d,secs=%d%s",
3164 HD_OPTS , cyls, heads, secs,
3165 translation == BIOS_ATA_TRANSLATION_LBA ?
3166 ",trans=lba" :
3167 translation == BIOS_ATA_TRANSLATION_NONE ?
3168 ",trans=none" : "");
3169 drive_add(IF_DEFAULT, 0, optarg, buf);
3170 break;
3171 }
3172 case QEMU_OPTION_hdb:
3173 case QEMU_OPTION_hdc:
3174 case QEMU_OPTION_hdd:
3175 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3176 HD_OPTS);
3177 break;
3178 case QEMU_OPTION_blockdev:
3179 {
3180 Visitor *v;
3181 BlockdevOptions_queue *bdo;
3182
3183 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3184 if (!v) {
3185 error_report_err(err);
3186 exit(1);
3187 }
3188
3189 bdo = g_new(BlockdevOptions_queue, 1);
3190 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3191 &error_fatal);
3192 visit_free(v);
3193 loc_save(&bdo->loc);
3194 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3195 break;
3196 }
3197 case QEMU_OPTION_drive:
3198 if (drive_def(optarg) == NULL) {
3199 exit(1);
3200 }
3201 break;
3202 case QEMU_OPTION_set:
3203 if (qemu_set_option(optarg) != 0)
3204 exit(1);
3205 break;
3206 case QEMU_OPTION_global:
3207 if (qemu_global_option(optarg) != 0)
3208 exit(1);
3209 break;
3210 case QEMU_OPTION_mtdblock:
3211 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3212 break;
3213 case QEMU_OPTION_sd:
3214 drive_add(IF_SD, -1, optarg, SD_OPTS);
3215 break;
3216 case QEMU_OPTION_pflash:
3217 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3218 break;
3219 case QEMU_OPTION_snapshot:
3220 snapshot = 1;
3221 break;
3222 case QEMU_OPTION_hdachs:
3223 {
3224 const char *p;
3225 p = optarg;
3226 cyls = strtol(p, (char **)&p, 0);
3227 if (cyls < 1 || cyls > 16383)
3228 goto chs_fail;
3229 if (*p != ',')
3230 goto chs_fail;
3231 p++;
3232 heads = strtol(p, (char **)&p, 0);
3233 if (heads < 1 || heads > 16)
3234 goto chs_fail;
3235 if (*p != ',')
3236 goto chs_fail;
3237 p++;
3238 secs = strtol(p, (char **)&p, 0);
3239 if (secs < 1 || secs > 63)
3240 goto chs_fail;
3241 if (*p == ',') {
3242 p++;
3243 if (!strcmp(p, "large")) {
3244 translation = BIOS_ATA_TRANSLATION_LARGE;
3245 } else if (!strcmp(p, "rechs")) {
3246 translation = BIOS_ATA_TRANSLATION_RECHS;
3247 } else if (!strcmp(p, "none")) {
3248 translation = BIOS_ATA_TRANSLATION_NONE;
3249 } else if (!strcmp(p, "lba")) {
3250 translation = BIOS_ATA_TRANSLATION_LBA;
3251 } else if (!strcmp(p, "auto")) {
3252 translation = BIOS_ATA_TRANSLATION_AUTO;
3253 } else {
3254 goto chs_fail;
3255 }
3256 } else if (*p != '\0') {
3257 chs_fail:
3258 error_report("invalid physical CHS format");
3259 exit(1);
3260 }
3261 if (hda_opts != NULL) {
3262 qemu_opt_set_number(hda_opts, "cyls", cyls,
3263 &error_abort);
3264 qemu_opt_set_number(hda_opts, "heads", heads,
3265 &error_abort);
3266 qemu_opt_set_number(hda_opts, "secs", secs,
3267 &error_abort);
3268 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3269 qemu_opt_set(hda_opts, "trans", "large",
3270 &error_abort);
3271 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3272 qemu_opt_set(hda_opts, "trans", "rechs",
3273 &error_abort);
3274 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3275 qemu_opt_set(hda_opts, "trans", "lba",
3276 &error_abort);
3277 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3278 qemu_opt_set(hda_opts, "trans", "none",
3279 &error_abort);
3280 }
3281 }
3282 }
3283 error_report("'-hdachs' is deprecated, please use '-device"
3284 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3285 break;
3286 case QEMU_OPTION_numa:
3287 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3288 optarg, true);
3289 if (!opts) {
3290 exit(1);
3291 }
3292 break;
3293 case QEMU_OPTION_display:
3294 display_type = select_display(optarg);
3295 break;
3296 case QEMU_OPTION_nographic:
3297 olist = qemu_find_opts("machine");
3298 qemu_opts_parse_noisily(olist, "graphics=off", false);
3299 nographic = true;
3300 display_type = DT_NONE;
3301 break;
3302 case QEMU_OPTION_curses:
3303 #ifdef CONFIG_CURSES
3304 display_type = DT_CURSES;
3305 #else
3306 error_report("curses support is disabled");
3307 exit(1);
3308 #endif
3309 break;
3310 case QEMU_OPTION_portrait:
3311 graphic_rotate = 90;
3312 break;
3313 case QEMU_OPTION_rotate:
3314 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3315 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3316 graphic_rotate != 180 && graphic_rotate != 270) {
3317 error_report("only 90, 180, 270 deg rotation is available");
3318 exit(1);
3319 }
3320 break;
3321 case QEMU_OPTION_kernel:
3322 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3323 &error_abort);
3324 break;
3325 case QEMU_OPTION_initrd:
3326 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3327 &error_abort);
3328 break;
3329 case QEMU_OPTION_append:
3330 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3331 &error_abort);
3332 break;
3333 case QEMU_OPTION_dtb:
3334 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3335 &error_abort);
3336 break;
3337 case QEMU_OPTION_cdrom:
3338 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3339 break;
3340 case QEMU_OPTION_boot:
3341 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3342 optarg, true);
3343 if (!opts) {
3344 exit(1);
3345 }
3346 break;
3347 case QEMU_OPTION_fda:
3348 case QEMU_OPTION_fdb:
3349 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3350 optarg, FD_OPTS);
3351 break;
3352 case QEMU_OPTION_no_fd_bootchk:
3353 fd_bootchk = 0;
3354 break;
3355 case QEMU_OPTION_netdev:
3356 default_net = 0;
3357 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3358 exit(1);
3359 }
3360 break;
3361 case QEMU_OPTION_net:
3362 default_net = 0;
3363 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3364 exit(1);
3365 }
3366 break;
3367 #ifdef CONFIG_LIBISCSI
3368 case QEMU_OPTION_iscsi:
3369 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3370 optarg, false);
3371 if (!opts) {
3372 exit(1);
3373 }
3374 break;
3375 #endif
3376 #ifdef CONFIG_SLIRP
3377 case QEMU_OPTION_tftp:
3378 error_report("The -tftp option is deprecated. "
3379 "Please use '-netdev user,tftp=...' instead.");
3380 legacy_tftp_prefix = optarg;
3381 break;
3382 case QEMU_OPTION_bootp:
3383 error_report("The -bootp option is deprecated. "
3384 "Please use '-netdev user,bootfile=...' instead.");
3385 legacy_bootp_filename = optarg;
3386 break;
3387 case QEMU_OPTION_redir:
3388 error_report("The -redir option is deprecated. "
3389 "Please use '-netdev user,hostfwd=...' instead.");
3390 if (net_slirp_redir(optarg) < 0)
3391 exit(1);
3392 break;
3393 #endif
3394 case QEMU_OPTION_bt:
3395 add_device_config(DEV_BT, optarg);
3396 break;
3397 case QEMU_OPTION_audio_help:
3398 AUD_help ();
3399 exit (0);
3400 break;
3401 case QEMU_OPTION_soundhw:
3402 select_soundhw (optarg);
3403 break;
3404 case QEMU_OPTION_h:
3405 help(0);
3406 break;
3407 case QEMU_OPTION_version:
3408 version();
3409 exit(0);
3410 break;
3411 case QEMU_OPTION_m:
3412 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3413 optarg, true);
3414 if (!opts) {
3415 exit(EXIT_FAILURE);
3416 }
3417 break;
3418 #ifdef CONFIG_TPM
3419 case QEMU_OPTION_tpmdev:
3420 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3421 exit(1);
3422 }
3423 break;
3424 #endif
3425 case QEMU_OPTION_mempath:
3426 mem_path = optarg;
3427 break;
3428 case QEMU_OPTION_mem_prealloc:
3429 mem_prealloc = 1;
3430 break;
3431 case QEMU_OPTION_d:
3432 log_mask = optarg;
3433 break;
3434 case QEMU_OPTION_D:
3435 log_file = optarg;
3436 break;
3437 case QEMU_OPTION_DFILTER:
3438 qemu_set_dfilter_ranges(optarg, &error_fatal);
3439 break;
3440 case QEMU_OPTION_s:
3441 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3442 break;
3443 case QEMU_OPTION_gdb:
3444 add_device_config(DEV_GDB, optarg);
3445 break;
3446 case QEMU_OPTION_L:
3447 if (is_help_option(optarg)) {
3448 list_data_dirs = true;
3449 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3450 data_dir[data_dir_idx++] = optarg;
3451 }
3452 break;
3453 case QEMU_OPTION_bios:
3454 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3455 &error_abort);
3456 break;
3457 case QEMU_OPTION_singlestep:
3458 singlestep = 1;
3459 break;
3460 case QEMU_OPTION_S:
3461 autostart = 0;
3462 break;
3463 case QEMU_OPTION_k:
3464 keyboard_layout = optarg;
3465 break;
3466 case QEMU_OPTION_localtime:
3467 rtc_utc = 0;
3468 break;
3469 case QEMU_OPTION_vga:
3470 vga_model = optarg;
3471 default_vga = 0;
3472 break;
3473 case QEMU_OPTION_g:
3474 {
3475 const char *p;
3476 int w, h, depth;
3477 p = optarg;
3478 w = strtol(p, (char **)&p, 10);
3479 if (w <= 0) {
3480 graphic_error:
3481 error_report("invalid resolution or depth");
3482 exit(1);
3483 }
3484 if (*p != 'x')
3485 goto graphic_error;
3486 p++;
3487 h = strtol(p, (char **)&p, 10);
3488 if (h <= 0)
3489 goto graphic_error;
3490 if (*p == 'x') {
3491 p++;
3492 depth = strtol(p, (char **)&p, 10);
3493 if (depth != 8 && depth != 15 && depth != 16 &&
3494 depth != 24 && depth != 32)
3495 goto graphic_error;
3496 } else if (*p == '\0') {
3497 depth = graphic_depth;
3498 } else {
3499 goto graphic_error;
3500 }
3501
3502 graphic_width = w;
3503 graphic_height = h;
3504 graphic_depth = depth;
3505 }
3506 break;
3507 case QEMU_OPTION_echr:
3508 {
3509 char *r;
3510 term_escape_char = strtol(optarg, &r, 0);
3511 if (r == optarg)
3512 printf("Bad argument to echr\n");
3513 break;
3514 }
3515 case QEMU_OPTION_monitor:
3516 default_monitor = 0;
3517 if (strncmp(optarg, "none", 4)) {
3518 monitor_parse(optarg, "readline", false);
3519 }
3520 break;
3521 case QEMU_OPTION_qmp:
3522 monitor_parse(optarg, "control", false);
3523 default_monitor = 0;
3524 break;
3525 case QEMU_OPTION_qmp_pretty:
3526 monitor_parse(optarg, "control", true);
3527 default_monitor = 0;
3528 break;
3529 case QEMU_OPTION_mon:
3530 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3531 true);
3532 if (!opts) {
3533 exit(1);
3534 }
3535 default_monitor = 0;
3536 break;
3537 case QEMU_OPTION_chardev:
3538 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3539 optarg, true);
3540 if (!opts) {
3541 exit(1);
3542 }
3543 break;
3544 case QEMU_OPTION_fsdev:
3545 olist = qemu_find_opts("fsdev");
3546 if (!olist) {
3547 error_report("fsdev support is disabled");
3548 exit(1);
3549 }
3550 opts = qemu_opts_parse_noisily(olist, optarg, true);
3551 if (!opts) {
3552 exit(1);
3553 }
3554 break;
3555 case QEMU_OPTION_virtfs: {
3556 QemuOpts *fsdev;
3557 QemuOpts *device;
3558 const char *writeout, *sock_fd, *socket;
3559
3560 olist = qemu_find_opts("virtfs");
3561 if (!olist) {
3562 error_report("virtfs support is disabled");
3563 exit(1);
3564 }
3565 opts = qemu_opts_parse_noisily(olist, optarg, true);
3566 if (!opts) {
3567 exit(1);
3568 }
3569
3570 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3571 qemu_opt_get(opts, "mount_tag") == NULL) {
3572 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3573 exit(1);
3574 }
3575 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3576 qemu_opts_id(opts) ?:
3577 qemu_opt_get(opts, "mount_tag"),
3578 1, NULL);
3579 if (!fsdev) {
3580 error_report("duplicate or invalid fsdev id: %s",
3581 qemu_opt_get(opts, "mount_tag"));
3582 exit(1);
3583 }
3584
3585 writeout = qemu_opt_get(opts, "writeout");
3586 if (writeout) {
3587 #ifdef CONFIG_SYNC_FILE_RANGE
3588 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3589 #else
3590 error_report("writeout=immediate not supported "
3591 "on this platform");
3592 exit(1);
3593 #endif
3594 }
3595 qemu_opt_set(fsdev, "fsdriver",
3596 qemu_opt_get(opts, "fsdriver"), &error_abort);
3597 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3598 &error_abort);
3599 qemu_opt_set(fsdev, "security_model",
3600 qemu_opt_get(opts, "security_model"),
3601 &error_abort);
3602 socket = qemu_opt_get(opts, "socket");
3603 if (socket) {
3604 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3605 }
3606 sock_fd = qemu_opt_get(opts, "sock_fd");
3607 if (sock_fd) {
3608 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3609 }
3610
3611 qemu_opt_set_bool(fsdev, "readonly",
3612 qemu_opt_get_bool(opts, "readonly", 0),
3613 &error_abort);
3614 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3615 &error_abort);
3616 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3617 qemu_opt_set(device, "fsdev",
3618 qemu_opts_id(fsdev), &error_abort);
3619 qemu_opt_set(device, "mount_tag",
3620 qemu_opt_get(opts, "mount_tag"), &error_abort);
3621 break;
3622 }
3623 case QEMU_OPTION_virtfs_synth: {
3624 QemuOpts *fsdev;
3625 QemuOpts *device;
3626
3627 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3628 1, NULL);
3629 if (!fsdev) {
3630 error_report("duplicate option: %s", "virtfs_synth");
3631 exit(1);
3632 }
3633 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3634
3635 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3636 &error_abort);
3637 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3638 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3639 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3640 break;
3641 }
3642 case QEMU_OPTION_serial:
3643 add_device_config(DEV_SERIAL, optarg);
3644 default_serial = 0;
3645 if (strncmp(optarg, "mon:", 4) == 0) {
3646 default_monitor = 0;
3647 }
3648 break;
3649 case QEMU_OPTION_watchdog:
3650 if (watchdog) {
3651 error_report("only one watchdog option may be given");
3652 return 1;
3653 }
3654 watchdog = optarg;
3655 break;
3656 case QEMU_OPTION_watchdog_action:
3657 if (select_watchdog_action(optarg) == -1) {
3658 error_report("unknown -watchdog-action parameter");
3659 exit(1);
3660 }
3661 break;
3662 case QEMU_OPTION_virtiocon:
3663 add_device_config(DEV_VIRTCON, optarg);
3664 default_virtcon = 0;
3665 if (strncmp(optarg, "mon:", 4) == 0) {
3666 default_monitor = 0;
3667 }
3668 break;
3669 case QEMU_OPTION_parallel:
3670 add_device_config(DEV_PARALLEL, optarg);
3671 default_parallel = 0;
3672 if (strncmp(optarg, "mon:", 4) == 0) {
3673 default_monitor = 0;
3674 }
3675 break;
3676 case QEMU_OPTION_debugcon:
3677 add_device_config(DEV_DEBUGCON, optarg);
3678 break;
3679 case QEMU_OPTION_loadvm:
3680 loadvm = optarg;
3681 break;
3682 case QEMU_OPTION_full_screen:
3683 full_screen = 1;
3684 break;
3685 case QEMU_OPTION_no_frame:
3686 no_frame = 1;
3687 break;
3688 case QEMU_OPTION_alt_grab:
3689 alt_grab = 1;
3690 break;
3691 case QEMU_OPTION_ctrl_grab:
3692 ctrl_grab = 1;
3693 break;
3694 case QEMU_OPTION_no_quit:
3695 no_quit = 1;
3696 break;
3697 case QEMU_OPTION_sdl:
3698 #ifdef CONFIG_SDL
3699 display_type = DT_SDL;
3700 break;
3701 #else
3702 error_report("SDL support is disabled");
3703 exit(1);
3704 #endif
3705 case QEMU_OPTION_pidfile:
3706 pid_file = optarg;
3707 break;
3708 case QEMU_OPTION_win2k_hack:
3709 win2k_install_hack = 1;
3710 break;
3711 case QEMU_OPTION_rtc_td_hack: {
3712 static GlobalProperty slew_lost_ticks = {
3713 .driver = "mc146818rtc",
3714 .property = "lost_tick_policy",
3715 .value = "slew",
3716 };
3717
3718 qdev_prop_register_global(&slew_lost_ticks);
3719 break;
3720 }
3721 case QEMU_OPTION_acpitable:
3722 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3723 optarg, true);
3724 if (!opts) {
3725 exit(1);
3726 }
3727 acpi_table_add(opts, &error_fatal);
3728 break;
3729 case QEMU_OPTION_smbios:
3730 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3731 optarg, false);
3732 if (!opts) {
3733 exit(1);
3734 }
3735 smbios_entry_add(opts, &error_fatal);
3736 break;
3737 case QEMU_OPTION_fwcfg:
3738 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3739 optarg, true);
3740 if (opts == NULL) {
3741 exit(1);
3742 }
3743 break;
3744 case QEMU_OPTION_enable_kvm:
3745 olist = qemu_find_opts("machine");
3746 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3747 break;
3748 case QEMU_OPTION_enable_hax:
3749 olist = qemu_find_opts("machine");
3750 qemu_opts_parse_noisily(olist, "accel=hax", false);
3751 break;
3752 case QEMU_OPTION_M:
3753 case QEMU_OPTION_machine:
3754 olist = qemu_find_opts("machine");
3755 opts = qemu_opts_parse_noisily(olist, optarg, true);
3756 if (!opts) {
3757 exit(1);
3758 }
3759 break;
3760 case QEMU_OPTION_no_kvm:
3761 olist = qemu_find_opts("machine");
3762 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3763 break;
3764 case QEMU_OPTION_no_kvm_pit: {
3765 warn_report("ignoring deprecated option");
3766 break;
3767 }
3768 case QEMU_OPTION_no_kvm_pit_reinjection: {
3769 static GlobalProperty kvm_pit_lost_tick_policy = {
3770 .driver = "kvm-pit",
3771 .property = "lost_tick_policy",
3772 .value = "discard",
3773 };
3774
3775 warn_report("deprecated, replaced by "
3776 "-global kvm-pit.lost_tick_policy=discard");
3777 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3778 break;
3779 }
3780 case QEMU_OPTION_accel:
3781 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3782 optarg, true);
3783 optarg = qemu_opt_get(accel_opts, "accel");
3784 if (!optarg || is_help_option(optarg)) {
3785 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3786 exit(0);
3787 }
3788 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3789 false, &error_abort);
3790 qemu_opt_set(opts, "accel", optarg, &error_abort);
3791 break;
3792 case QEMU_OPTION_usb:
3793 olist = qemu_find_opts("machine");
3794 qemu_opts_parse_noisily(olist, "usb=on", false);
3795 break;
3796 case QEMU_OPTION_usbdevice:
3797 error_report("'-usbdevice' is deprecated, please use "
3798 "'-device usb-...' instead");
3799 olist = qemu_find_opts("machine");
3800 qemu_opts_parse_noisily(olist, "usb=on", false);
3801 add_device_config(DEV_USB, optarg);
3802 break;
3803 case QEMU_OPTION_device:
3804 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3805 optarg, true)) {
3806 exit(1);
3807 }
3808 break;
3809 case QEMU_OPTION_smp:
3810 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3811 optarg, true)) {
3812 exit(1);
3813 }
3814 break;
3815 case QEMU_OPTION_vnc:
3816 vnc_parse(optarg, &error_fatal);
3817 break;
3818 case QEMU_OPTION_no_acpi:
3819 acpi_enabled = 0;
3820 break;
3821 case QEMU_OPTION_no_hpet:
3822 no_hpet = 1;
3823 break;
3824 case QEMU_OPTION_balloon:
3825 if (balloon_parse(optarg) < 0) {
3826 error_report("unknown -balloon argument %s", optarg);
3827 exit(1);
3828 }
3829 break;
3830 case QEMU_OPTION_no_reboot:
3831 no_reboot = 1;
3832 break;
3833 case QEMU_OPTION_no_shutdown:
3834 no_shutdown = 1;
3835 break;
3836 case QEMU_OPTION_show_cursor:
3837 cursor_hide = 0;
3838 break;
3839 case QEMU_OPTION_uuid:
3840 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3841 error_report("failed to parse UUID string: wrong format");
3842 exit(1);
3843 }
3844 qemu_uuid_set = true;
3845 break;
3846 case QEMU_OPTION_option_rom:
3847 if (nb_option_roms >= MAX_OPTION_ROMS) {
3848 error_report("too many option ROMs");
3849 exit(1);
3850 }
3851 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3852 optarg, true);
3853 if (!opts) {
3854 exit(1);
3855 }
3856 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3857 option_rom[nb_option_roms].bootindex =
3858 qemu_opt_get_number(opts, "bootindex", -1);
3859 if (!option_rom[nb_option_roms].name) {
3860 error_report("Option ROM file is not specified");
3861 exit(1);
3862 }
3863 nb_option_roms++;
3864 break;
3865 case QEMU_OPTION_semihosting:
3866 semihosting.enabled = true;
3867 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3868 break;
3869 case QEMU_OPTION_semihosting_config:
3870 semihosting.enabled = true;
3871 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3872 optarg, false);
3873 if (opts != NULL) {
3874 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3875 true);
3876 const char *target = qemu_opt_get(opts, "target");
3877 if (target != NULL) {
3878 if (strcmp("native", target) == 0) {
3879 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3880 } else if (strcmp("gdb", target) == 0) {
3881 semihosting.target = SEMIHOSTING_TARGET_GDB;
3882 } else if (strcmp("auto", target) == 0) {
3883 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3884 } else {
3885 error_report("unsupported semihosting-config %s",
3886 optarg);
3887 exit(1);
3888 }
3889 } else {
3890 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3891 }
3892 /* Set semihosting argument count and vector */
3893 qemu_opt_foreach(opts, add_semihosting_arg,
3894 &semihosting, NULL);
3895 } else {
3896 error_report("unsupported semihosting-config %s", optarg);
3897 exit(1);
3898 }
3899 break;
3900 case QEMU_OPTION_tdf:
3901 warn_report("ignoring deprecated option");
3902 break;
3903 case QEMU_OPTION_name:
3904 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3905 optarg, true);
3906 if (!opts) {
3907 exit(1);
3908 }
3909 break;
3910 case QEMU_OPTION_prom_env:
3911 if (nb_prom_envs >= MAX_PROM_ENVS) {
3912 error_report("too many prom variables");
3913 exit(1);
3914 }
3915 prom_envs[nb_prom_envs] = optarg;
3916 nb_prom_envs++;
3917 break;
3918 case QEMU_OPTION_old_param:
3919 old_param = 1;
3920 break;
3921 case QEMU_OPTION_clock:
3922 /* Clock options no longer exist. Keep this option for
3923 * backward compatibility.
3924 */
3925 break;
3926 case QEMU_OPTION_startdate:
3927 configure_rtc_date_offset(optarg, 1);
3928 break;
3929 case QEMU_OPTION_rtc:
3930 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3931 false);
3932 if (!opts) {
3933 exit(1);
3934 }
3935 configure_rtc(opts);
3936 break;
3937 case QEMU_OPTION_tb_size:
3938 #ifndef CONFIG_TCG
3939 error_report("TCG is disabled");
3940 exit(1);
3941 #endif
3942 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
3943 error_report("Invalid argument to -tb-size");
3944 exit(1);
3945 }
3946 break;
3947 case QEMU_OPTION_icount:
3948 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3949 optarg, true);
3950 if (!icount_opts) {
3951 exit(1);
3952 }
3953 break;
3954 case QEMU_OPTION_incoming:
3955 if (!incoming) {
3956 runstate_set(RUN_STATE_INMIGRATE);
3957 }
3958 incoming = optarg;
3959 break;
3960 case QEMU_OPTION_only_migratable:
3961 /*
3962 * TODO: we can remove this option one day, and we
3963 * should all use:
3964 *
3965 * "-global migration.only-migratable=true"
3966 */
3967 qemu_global_option("migration.only-migratable=true");
3968 break;
3969 case QEMU_OPTION_nodefaults:
3970 has_defaults = 0;
3971 break;
3972 case QEMU_OPTION_xen_domid:
3973 if (!(xen_available())) {
3974 error_report("Option not supported for this target");
3975 exit(1);
3976 }
3977 xen_domid = atoi(optarg);
3978 break;
3979 case QEMU_OPTION_xen_create:
3980 if (!(xen_available())) {
3981 error_report("Option not supported for this target");
3982 exit(1);
3983 }
3984 xen_mode = XEN_CREATE;
3985 break;
3986 case QEMU_OPTION_xen_attach:
3987 if (!(xen_available())) {
3988 error_report("Option not supported for this target");
3989 exit(1);
3990 }
3991 xen_mode = XEN_ATTACH;
3992 break;
3993 case QEMU_OPTION_xen_domid_restrict:
3994 if (!(xen_available())) {
3995 error_report("Option not supported for this target");
3996 exit(1);
3997 }
3998 xen_domid_restrict = true;
3999 break;
4000 case QEMU_OPTION_trace:
4001 g_free(trace_file);
4002 trace_file = trace_opt_parse(optarg);
4003 break;
4004 case QEMU_OPTION_readconfig:
4005 {
4006 int ret = qemu_read_config_file(optarg);
4007 if (ret < 0) {
4008 error_report("read config %s: %s", optarg,
4009 strerror(-ret));
4010 exit(1);
4011 }
4012 break;
4013 }
4014 case QEMU_OPTION_spice:
4015 olist = qemu_find_opts("spice");
4016 if (!olist) {
4017 error_report("spice support is disabled");
4018 exit(1);
4019 }
4020 opts = qemu_opts_parse_noisily(olist, optarg, false);
4021 if (!opts) {
4022 exit(1);
4023 }
4024 display_remote++;
4025 break;
4026 case QEMU_OPTION_writeconfig:
4027 {
4028 FILE *fp;
4029 if (strcmp(optarg, "-") == 0) {
4030 fp = stdout;
4031 } else {
4032 fp = fopen(optarg, "w");
4033 if (fp == NULL) {
4034 error_report("open %s: %s", optarg,
4035 strerror(errno));
4036 exit(1);
4037 }
4038 }
4039 qemu_config_write(fp);
4040 if (fp != stdout) {
4041 fclose(fp);
4042 }
4043 break;
4044 }
4045 case QEMU_OPTION_qtest:
4046 qtest_chrdev = optarg;
4047 break;
4048 case QEMU_OPTION_qtest_log:
4049 qtest_log = optarg;
4050 break;
4051 case QEMU_OPTION_sandbox:
4052 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4053 optarg, true);
4054 if (!opts) {
4055 exit(1);
4056 }
4057 break;
4058 case QEMU_OPTION_add_fd:
4059 #ifndef _WIN32
4060 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4061 optarg, false);
4062 if (!opts) {
4063 exit(1);
4064 }
4065 #else
4066 error_report("File descriptor passing is disabled on this "
4067 "platform");
4068 exit(1);
4069 #endif
4070 break;
4071 case QEMU_OPTION_object:
4072 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4073 optarg, true);
4074 if (!opts) {
4075 exit(1);
4076 }
4077 break;
4078 case QEMU_OPTION_realtime:
4079 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4080 optarg, false);
4081 if (!opts) {
4082 exit(1);
4083 }
4084 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4085 break;
4086 case QEMU_OPTION_msg:
4087 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4088 false);
4089 if (!opts) {
4090 exit(1);
4091 }
4092 configure_msg(opts);
4093 break;
4094 case QEMU_OPTION_dump_vmstate:
4095 if (vmstate_dump_file) {
4096 error_report("only one '-dump-vmstate' "
4097 "option may be given");
4098 exit(1);
4099 }
4100 vmstate_dump_file = fopen(optarg, "w");
4101 if (vmstate_dump_file == NULL) {
4102 error_report("open %s: %s", optarg, strerror(errno));
4103 exit(1);
4104 }
4105 break;
4106 default:
4107 os_parse_cmd_args(popt->index, optarg);
4108 }
4109 }
4110 }
4111 /*
4112 * Clear error location left behind by the loop.
4113 * Best done right after the loop. Do not insert code here!
4114 */
4115 loc_set_none();
4116
4117 replay_configure(icount_opts);
4118
4119 machine_class = select_machine();
4120
4121 set_memory_options(&ram_slots, &maxram_size, machine_class);
4122
4123 os_daemonize();
4124
4125 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4126 error_report("could not acquire pid file: %s", strerror(errno));
4127 exit(1);
4128 }
4129
4130 if (qemu_init_main_loop(&main_loop_err)) {
4131 error_report_err(main_loop_err);
4132 exit(1);
4133 }
4134
4135 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4136 parse_sandbox, NULL, NULL)) {
4137 exit(1);
4138 }
4139
4140 if (qemu_opts_foreach(qemu_find_opts("name"),
4141 parse_name, NULL, NULL)) {
4142 exit(1);
4143 }
4144
4145 #ifndef _WIN32
4146 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4147 parse_add_fd, NULL, NULL)) {
4148 exit(1);
4149 }
4150
4151 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4152 cleanup_add_fd, NULL, NULL)) {
4153 exit(1);
4154 }
4155 #endif
4156
4157 current_machine = MACHINE(object_new(object_class_get_name(
4158 OBJECT_CLASS(machine_class))));
4159 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4160 exit(0);
4161 }
4162 object_property_add_child(object_get_root(), "machine",
4163 OBJECT(current_machine), &error_abort);
4164
4165 if (machine_class->minimum_page_bits) {
4166 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4167 /* This would be a board error: specifying a minimum smaller than
4168 * a target's compile-time fixed setting.
4169 */
4170 g_assert_not_reached();
4171 }
4172 }
4173
4174 cpu_exec_init_all();
4175
4176 if (machine_class->hw_version) {
4177 qemu_set_hw_version(machine_class->hw_version);
4178 }
4179
4180 if (cpu_model && is_help_option(cpu_model)) {
4181 list_cpus(stdout, &fprintf, cpu_model);
4182 exit(0);
4183 }
4184
4185 if (!trace_init_backends()) {
4186 exit(1);
4187 }
4188 trace_init_file(trace_file);
4189
4190 /* Open the logfile at this point and set the log mask if necessary.
4191 */
4192 if (log_file) {
4193 qemu_set_log_filename(log_file, &error_fatal);
4194 }
4195
4196 if (log_mask) {
4197 int mask;
4198 mask = qemu_str_to_log_mask(log_mask);
4199 if (!mask) {
4200 qemu_print_log_usage(stdout);
4201 exit(1);
4202 }
4203 qemu_set_log(mask);
4204 } else {
4205 qemu_set_log(0);
4206 }
4207
4208 /* If no data_dir is specified then try to find it relative to the
4209 executable path. */
4210 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4211 data_dir[data_dir_idx] = os_find_datadir();
4212 if (data_dir[data_dir_idx] != NULL) {
4213 data_dir_idx++;
4214 }
4215 }
4216 /* If all else fails use the install path specified when building. */
4217 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4218 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4219 }
4220
4221 /* -L help lists the data directories and exits. */
4222 if (list_data_dirs) {
4223 for (i = 0; i < data_dir_idx; i++) {
4224 printf("%s\n", data_dir[i]);
4225 }
4226 exit(0);
4227 }
4228
4229 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4230
4231 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4232 if (max_cpus > machine_class->max_cpus) {
4233 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4234 "supported by machine '%s' (%d)", max_cpus,
4235 machine_class->name, machine_class->max_cpus);
4236 exit(1);
4237 }
4238
4239 /*
4240 * Get the default machine options from the machine if it is not already
4241 * specified either by the configuration file or by the command line.
4242 */
4243 if (machine_class->default_machine_opts) {
4244 qemu_opts_set_defaults(qemu_find_opts("machine"),
4245 machine_class->default_machine_opts, 0);
4246 }
4247
4248 qemu_opts_foreach(qemu_find_opts("device"),
4249 default_driver_check, NULL, NULL);
4250 qemu_opts_foreach(qemu_find_opts("global"),
4251 default_driver_check, NULL, NULL);
4252
4253 if (!vga_model && !default_vga) {
4254 vga_interface_type = VGA_DEVICE;
4255 }
4256 if (!has_defaults || machine_class->no_serial) {
4257 default_serial = 0;
4258 }
4259 if (!has_defaults || machine_class->no_parallel) {
4260 default_parallel = 0;
4261 }
4262 if (!has_defaults || !machine_class->use_virtcon) {
4263 default_virtcon = 0;
4264 }
4265 if (!has_defaults || !machine_class->use_sclp) {
4266 default_sclp = 0;
4267 }
4268 if (!has_defaults || machine_class->no_floppy) {
4269 default_floppy = 0;
4270 }
4271 if (!has_defaults || machine_class->no_cdrom) {
4272 default_cdrom = 0;
4273 }
4274 if (!has_defaults || machine_class->no_sdcard) {
4275 default_sdcard = 0;
4276 }
4277 if (!has_defaults) {
4278 default_monitor = 0;
4279 default_net = 0;
4280 default_vga = 0;
4281 }
4282
4283 if (is_daemonized()) {
4284 /* According to documentation and historically, -nographic redirects
4285 * serial port, parallel port and monitor to stdio, which does not work
4286 * with -daemonize. We can redirect these to null instead, but since
4287 * -nographic is legacy, let's just error out.
4288 * We disallow -nographic only if all other ports are not redirected
4289 * explicitly, to not break existing legacy setups which uses
4290 * -nographic _and_ redirects all ports explicitly - this is valid
4291 * usage, -nographic is just a no-op in this case.
4292 */
4293 if (nographic
4294 && (default_parallel || default_serial
4295 || default_monitor || default_virtcon)) {
4296 error_report("-nographic cannot be used with -daemonize");
4297 exit(1);
4298 }
4299 #ifdef CONFIG_CURSES
4300 if (display_type == DT_CURSES) {
4301 error_report("curses display cannot be used with -daemonize");
4302 exit(1);
4303 }
4304 #endif
4305 }
4306
4307 if (nographic) {
4308 if (default_parallel)
4309 add_device_config(DEV_PARALLEL, "null");
4310 if (default_serial && default_monitor) {
4311 add_device_config(DEV_SERIAL, "mon:stdio");
4312 } else if (default_virtcon && default_monitor) {
4313 add_device_config(DEV_VIRTCON, "mon:stdio");
4314 } else if (default_sclp && default_monitor) {
4315 add_device_config(DEV_SCLP, "mon:stdio");
4316 } else {
4317 if (default_serial)
4318 add_device_config(DEV_SERIAL, "stdio");
4319 if (default_virtcon)
4320 add_device_config(DEV_VIRTCON, "stdio");
4321 if (default_sclp) {
4322 add_device_config(DEV_SCLP, "stdio");
4323 }
4324 if (default_monitor)
4325 monitor_parse("stdio", "readline", false);
4326 }
4327 } else {
4328 if (default_serial)
4329 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4330 if (default_parallel)
4331 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4332 if (default_monitor)
4333 monitor_parse("vc:80Cx24C", "readline", false);
4334 if (default_virtcon)
4335 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4336 if (default_sclp) {
4337 add_device_config(DEV_SCLP, "vc:80Cx24C");
4338 }
4339 }
4340
4341 #if defined(CONFIG_VNC)
4342 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4343 display_remote++;
4344 }
4345 #endif
4346 if (display_type == DT_DEFAULT && !display_remote) {
4347 #if defined(CONFIG_GTK)
4348 display_type = DT_GTK;
4349 #elif defined(CONFIG_SDL)
4350 display_type = DT_SDL;
4351 #elif defined(CONFIG_COCOA)
4352 display_type = DT_COCOA;
4353 #elif defined(CONFIG_VNC)
4354 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4355 #else
4356 display_type = DT_NONE;
4357 #endif
4358 }
4359
4360 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4361 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4362 "for SDL, ignoring option");
4363 }
4364 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4365 error_report("-no-quit is only valid for GTK and SDL, "
4366 "ignoring option");
4367 }
4368
4369 if (display_type == DT_GTK) {
4370 early_gtk_display_init(request_opengl);
4371 }
4372
4373 if (display_type == DT_SDL) {
4374 sdl_display_early_init(request_opengl);
4375 }
4376
4377 qemu_console_early_init();
4378
4379 if (request_opengl == 1 && display_opengl == 0) {
4380 #if defined(CONFIG_OPENGL)
4381 error_report("OpenGL is not supported by the display");
4382 #else
4383 error_report("OpenGL support is disabled");
4384 #endif
4385 exit(1);
4386 }
4387
4388 page_size_init();
4389 socket_init();
4390
4391 if (qemu_opts_foreach(qemu_find_opts("object"),
4392 user_creatable_add_opts_foreach,
4393 object_create_initial, NULL)) {
4394 exit(1);
4395 }
4396
4397 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4398 chardev_init_func, NULL, NULL)) {
4399 exit(1);
4400 }
4401
4402 #ifdef CONFIG_VIRTFS
4403 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4404 fsdev_init_func, NULL, NULL)) {
4405 exit(1);
4406 }
4407 #endif
4408
4409 if (qemu_opts_foreach(qemu_find_opts("device"),
4410 device_help_func, NULL, NULL)) {
4411 exit(0);
4412 }
4413
4414 machine_opts = qemu_get_machine_opts();
4415 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4416 NULL)) {
4417 object_unref(OBJECT(current_machine));
4418 exit(1);
4419 }
4420
4421 configure_accelerator(current_machine);
4422
4423 /*
4424 * Register all the global properties, including accel properties,
4425 * machine properties, and user-specified ones.
4426 */
4427 register_global_properties(current_machine);
4428
4429 /*
4430 * Migration object can only be created after global properties
4431 * are applied correctly.
4432 */
4433 migration_object_init();
4434
4435 if (qtest_chrdev) {
4436 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4437 }
4438
4439 machine_opts = qemu_get_machine_opts();
4440 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4441 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4442 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4443 bios_name = qemu_opt_get(machine_opts, "firmware");
4444
4445 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4446 if (opts) {
4447 boot_order = qemu_opt_get(opts, "order");
4448 if (boot_order) {
4449 validate_bootdevices(boot_order, &error_fatal);
4450 }
4451
4452 boot_once = qemu_opt_get(opts, "once");
4453 if (boot_once) {
4454 validate_bootdevices(boot_once, &error_fatal);
4455 }
4456
4457 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4458 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4459 }
4460
4461 if (!boot_order) {
4462 boot_order = machine_class->default_boot_order;
4463 }
4464
4465 if (!kernel_cmdline) {
4466 kernel_cmdline = "";
4467 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4468 }
4469
4470 linux_boot = (kernel_filename != NULL);
4471
4472 if (!linux_boot && *kernel_cmdline != '\0') {
4473 error_report("-append only allowed with -kernel option");
4474 exit(1);
4475 }
4476
4477 if (!linux_boot && initrd_filename != NULL) {
4478 error_report("-initrd only allowed with -kernel option");
4479 exit(1);
4480 }
4481
4482 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4483 /* fall back to the -kernel/-append */
4484 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4485 }
4486
4487 os_set_line_buffering();
4488
4489 /* spice needs the timers to be initialized by this point */
4490 qemu_spice_init();
4491
4492 cpu_ticks_init();
4493 if (icount_opts) {
4494 if (!tcg_enabled()) {
4495 error_report("-icount is not allowed with hardware virtualization");
4496 exit(1);
4497 }
4498 configure_icount(icount_opts, &error_abort);
4499 qemu_opts_del(icount_opts);
4500 }
4501
4502 if (tcg_enabled()) {
4503 qemu_tcg_configure(accel_opts, &error_fatal);
4504 }
4505
4506 if (default_net) {
4507 QemuOptsList *net = qemu_find_opts("net");
4508 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4509 #ifdef CONFIG_SLIRP
4510 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4511 #endif
4512 }
4513
4514 colo_info_init();
4515
4516 if (net_init_clients() < 0) {
4517 exit(1);
4518 }
4519
4520 if (qemu_opts_foreach(qemu_find_opts("object"),
4521 user_creatable_add_opts_foreach,
4522 object_create_delayed, NULL)) {
4523 exit(1);
4524 }
4525
4526 #ifdef CONFIG_TPM
4527 if (tpm_init() < 0) {
4528 exit(1);
4529 }
4530 #endif
4531
4532 /* init the bluetooth world */
4533 if (foreach_device_config(DEV_BT, bt_parse))
4534 exit(1);
4535
4536 if (!xen_enabled()) {
4537 /* On 32-bit hosts, QEMU is limited by virtual address space */
4538 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4539 error_report("at most 2047 MB RAM can be simulated");
4540 exit(1);
4541 }
4542 }
4543
4544 blk_mig_init();
4545 ram_mig_init();
4546
4547 /* If the currently selected machine wishes to override the units-per-bus
4548 * property of its default HBA interface type, do so now. */
4549 if (machine_class->units_per_default_bus) {
4550 override_max_devs(machine_class->block_default_type,
4551 machine_class->units_per_default_bus);
4552 }
4553
4554 /* open the virtual block devices */
4555 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4556 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4557
4558 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4559 loc_push_restore(&bdo->loc);
4560 qmp_blockdev_add(bdo->bdo, &error_fatal);
4561 loc_pop(&bdo->loc);
4562 qapi_free_BlockdevOptions(bdo->bdo);
4563 g_free(bdo);
4564 }
4565 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4566 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4567 NULL, NULL);
4568 }
4569 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4570 &machine_class->block_default_type, NULL)) {
4571 exit(1);
4572 }
4573
4574 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4575 CDROM_OPTS);
4576 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4577 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4578
4579 parse_numa_opts(current_machine);
4580
4581 if (qemu_opts_foreach(qemu_find_opts("mon"),
4582 mon_init_func, NULL, NULL)) {
4583 exit(1);
4584 }
4585
4586 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4587 exit(1);
4588 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4589 exit(1);
4590 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4591 exit(1);
4592 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4593 exit(1);
4594 }
4595 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4596 exit(1);
4597
4598 /* If no default VGA is requested, the default is "none". */
4599 if (default_vga) {
4600 if (machine_class->default_display) {
4601 vga_model = machine_class->default_display;
4602 } else if (vga_interface_available(VGA_CIRRUS)) {
4603 vga_model = "cirrus";
4604 } else if (vga_interface_available(VGA_STD)) {
4605 vga_model = "std";
4606 }
4607 }
4608 if (vga_model) {
4609 select_vgahw(vga_model);
4610 }
4611
4612 if (watchdog) {
4613 i = select_watchdog(watchdog);
4614 if (i > 0)
4615 exit (i == 1 ? 1 : 0);
4616 }
4617
4618 /* This checkpoint is required by replay to separate prior clock
4619 reading from the other reads, because timer polling functions query
4620 clock values from the log. */
4621 replay_checkpoint(CHECKPOINT_INIT);
4622 qdev_machine_init();
4623
4624 current_machine->ram_size = ram_size;
4625 current_machine->maxram_size = maxram_size;
4626 current_machine->ram_slots = ram_slots;
4627 current_machine->boot_order = boot_order;
4628 current_machine->cpu_model = cpu_model;
4629
4630 machine_run_board_init(current_machine);
4631
4632 realtime_init();
4633
4634 soundhw_init();
4635
4636 if (hax_enabled()) {
4637 hax_sync_vcpus();
4638 }
4639
4640 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4641 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4642 exit(1);
4643 }
4644
4645 /* init USB devices */
4646 if (machine_usb(current_machine)) {
4647 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4648 exit(1);
4649 }
4650
4651 /* Check if IGD GFX passthrough. */
4652 igd_gfx_passthru();
4653
4654 /* init generic devices */
4655 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4656 if (qemu_opts_foreach(qemu_find_opts("device"),
4657 device_init_func, NULL, NULL)) {
4658 exit(1);
4659 }
4660
4661 cpu_synchronize_all_post_init();
4662
4663 rom_reset_order_override();
4664
4665 /*
4666 * Create frontends for -drive if=scsi leftovers.
4667 * Normally, frontends for -drive get created by machine
4668 * initialization for onboard SCSI HBAs. However, we create a few
4669 * more ever since SCSI qdevification, but this is pretty much an
4670 * implementation accident, and deprecated.
4671 */
4672 scsi_legacy_handle_cmdline();
4673
4674 /* Did we create any drives that we failed to create a device for? */
4675 drive_check_orphaned();
4676
4677 /* Don't warn about the default network setup that you get if
4678 * no command line -net or -netdev options are specified. There
4679 * are two cases that we would otherwise complain about:
4680 * (1) board doesn't support a NIC but the implicit "-net nic"
4681 * requested one
4682 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4683 * sets up a nic that isn't connected to anything.
4684 */
4685 if (!default_net) {
4686 net_check_clients();
4687 }
4688
4689
4690 if (boot_once) {
4691 qemu_boot_set(boot_once, &error_fatal);
4692 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4693 }
4694
4695 ds = init_displaystate();
4696
4697 /* init local displays */
4698 switch (display_type) {
4699 case DT_CURSES:
4700 curses_display_init(ds, full_screen);
4701 break;
4702 case DT_SDL:
4703 sdl_display_init(ds, full_screen, no_frame);
4704 break;
4705 case DT_COCOA:
4706 cocoa_display_init(ds, full_screen);
4707 break;
4708 case DT_GTK:
4709 gtk_display_init(ds, full_screen, grab_on_hover);
4710 break;
4711 default:
4712 break;
4713 }
4714
4715 /* must be after terminal init, SDL library changes signal handlers */
4716 os_setup_signal_handling();
4717
4718 /* init remote displays */
4719 #ifdef CONFIG_VNC
4720 qemu_opts_foreach(qemu_find_opts("vnc"),
4721 vnc_init_func, NULL, NULL);
4722 #endif
4723
4724 if (using_spice) {
4725 qemu_spice_display_init();
4726 }
4727
4728 #ifdef CONFIG_OPENGL_DMABUF
4729 if (display_type == DT_EGL) {
4730 egl_headless_init();
4731 }
4732 #endif
4733
4734 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4735 exit(1);
4736 }
4737
4738 qdev_machine_creation_done();
4739
4740 /* TODO: once all bus devices are qdevified, this should be done
4741 * when bus is created by qdev.c */
4742 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4743 qemu_run_machine_init_done_notifiers();
4744
4745 if (rom_check_and_register_reset() != 0) {
4746 error_report("rom check and register reset failed");
4747 exit(1);
4748 }
4749
4750 replay_start();
4751
4752 /* This checkpoint is required by replay to separate prior clock
4753 reading from the other reads, because timer polling functions query
4754 clock values from the log. */
4755 replay_checkpoint(CHECKPOINT_RESET);
4756 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4757 register_global_state();
4758 if (replay_mode != REPLAY_MODE_NONE) {
4759 replay_vmstate_init();
4760 } else if (loadvm) {
4761 Error *local_err = NULL;
4762 if (load_snapshot(loadvm, &local_err) < 0) {
4763 error_report_err(local_err);
4764 autostart = 0;
4765 }
4766 }
4767
4768 qdev_prop_check_globals();
4769 if (vmstate_dump_file) {
4770 /* dump and exit */
4771 dump_vmstate_json_to_file(vmstate_dump_file);
4772 return 0;
4773 }
4774
4775 if (incoming) {
4776 Error *local_err = NULL;
4777 qemu_start_incoming_migration(incoming, &local_err);
4778 if (local_err) {
4779 error_reportf_err(local_err, "-incoming %s: ", incoming);
4780 exit(1);
4781 }
4782 } else if (autostart) {
4783 vm_start();
4784 }
4785
4786 os_setup_post();
4787
4788 main_loop();
4789 replay_disable_events();
4790 iothread_stop_all();
4791
4792 pause_all_vcpus();
4793 bdrv_close_all();
4794 res_free();
4795
4796 /* vhost-user must be cleaned up before chardevs. */
4797 net_cleanup();
4798 audio_cleanup();
4799 monitor_cleanup();
4800 qemu_chr_cleanup();
4801 /* TODO: unref root container, check all devices are ok */
4802
4803 return 0;
4804 }
AR7 emulation for QEMU