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shutdown: Add source information to SHUTDOWN and RESET
[qemu/ericb.git] / vl.c
blob1064fd117facd0f5db8d311b90313b80eef17a62
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 "sysemu/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/block.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "audio/audio.h"
93 #include "migration/migration.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "sysemu/kvm.h"
97 #include "sysemu/hax.h"
98 #include "qapi/qobject-input-visitor.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qapi-visit.h"
101 #include "qapi/qmp/qjson.h"
102 #include "qemu/option.h"
103 #include "qemu/config-file.h"
104 #include "qemu-options.h"
105 #include "qmp-commands.h"
106 #include "qemu/main-loop.h"
107 #ifdef CONFIG_VIRTFS
108 #include "fsdev/qemu-fsdev.h"
109 #endif
110 #include "sysemu/qtest.h"
111
112 #include "disas/disas.h"
113
114
115 #include "slirp/libslirp.h"
116
117 #include "trace-root.h"
118 #include "trace/control.h"
119 #include "qemu/queue.h"
120 #include "sysemu/arch_init.h"
121
122 #include "ui/qemu-spice.h"
123 #include "qapi/string-input-visitor.h"
124 #include "qapi/opts-visitor.h"
125 #include "qom/object_interfaces.h"
126 #include "qapi-event.h"
127 #include "exec/semihost.h"
128 #include "crypto/init.h"
129 #include "sysemu/replay.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132
133 #define MAX_VIRTIO_CONSOLES 1
134 #define MAX_SCLP_CONSOLES 1
135
136 static const char *data_dir[16];
137 static int data_dir_idx;
138 const char *bios_name = NULL;
139 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
140 int request_opengl = -1;
141 int display_opengl;
142 const char* keyboard_layout = NULL;
143 ram_addr_t ram_size;
144 const char *mem_path = NULL;
145 int mem_prealloc = 0; /* force preallocation of physical target memory */
146 bool enable_mlock = false;
147 int nb_nics;
148 NICInfo nd_table[MAX_NICS];
149 int autostart;
150 static int rtc_utc = 1;
151 static int rtc_date_offset = -1; /* -1 means no change */
152 QEMUClockType rtc_clock;
153 int vga_interface_type = VGA_NONE;
154 static int full_screen = 0;
155 static int no_frame = 0;
156 int no_quit = 0;
157 static bool grab_on_hover;
158 Chardev *serial_hds[MAX_SERIAL_PORTS];
159 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
160 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
161 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
162 int win2k_install_hack = 0;
163 int singlestep = 0;
164 int smp_cpus = 1;
165 int max_cpus = 1;
166 int smp_cores = 1;
167 int smp_threads = 1;
168 int acpi_enabled = 1;
169 int no_hpet = 0;
170 int fd_bootchk = 1;
171 static int no_reboot;
172 int no_shutdown = 0;
173 int cursor_hide = 1;
174 int graphic_rotate = 0;
175 const char *watchdog;
176 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
177 int nb_option_roms;
178 int old_param = 0;
179 const char *qemu_name;
180 int alt_grab = 0;
181 int ctrl_grab = 0;
182 unsigned int nb_prom_envs = 0;
183 const char *prom_envs[MAX_PROM_ENVS];
184 int boot_menu;
185 bool boot_strict;
186 uint8_t *boot_splash_filedata;
187 size_t boot_splash_filedata_size;
188 uint8_t qemu_extra_params_fw[2];
189 int only_migratable; /* turn it off unless user states otherwise */
190
191 int icount_align_option;
192
193 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 QemuUUID qemu_uuid;
197 bool qemu_uuid_set;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208 bool xen_domid_restrict;
209
210 static int has_defaults = 1;
211 static int default_serial = 1;
212 static int default_parallel = 1;
213 static int default_virtcon = 1;
214 static int default_sclp = 1;
215 static int default_monitor = 1;
216 static int default_floppy = 1;
217 static int default_cdrom = 1;
218 static int default_sdcard = 1;
219 static int default_vga = 1;
220 static int default_net = 1;
221
222 static struct {
223 const char *driver;
224 int *flag;
225 } default_list[] = {
226 { .driver = "isa-serial", .flag = &default_serial },
227 { .driver = "isa-parallel", .flag = &default_parallel },
228 { .driver = "isa-fdc", .flag = &default_floppy },
229 { .driver = "floppy", .flag = &default_floppy },
230 { .driver = "ide-cd", .flag = &default_cdrom },
231 { .driver = "ide-hd", .flag = &default_cdrom },
232 { .driver = "ide-drive", .flag = &default_cdrom },
233 { .driver = "scsi-cd", .flag = &default_cdrom },
234 { .driver = "scsi-hd", .flag = &default_cdrom },
235 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
236 { .driver = "virtio-serial", .flag = &default_virtcon },
237 { .driver = "VGA", .flag = &default_vga },
238 { .driver = "isa-vga", .flag = &default_vga },
239 { .driver = "cirrus-vga", .flag = &default_vga },
240 { .driver = "isa-cirrus-vga", .flag = &default_vga },
241 { .driver = "vmware-svga", .flag = &default_vga },
242 { .driver = "qxl-vga", .flag = &default_vga },
243 { .driver = "virtio-vga", .flag = &default_vga },
244 };
245
246 static QemuOptsList qemu_rtc_opts = {
247 .name = "rtc",
248 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
249 .desc = {
250 {
251 .name = "base",
252 .type = QEMU_OPT_STRING,
253 },{
254 .name = "clock",
255 .type = QEMU_OPT_STRING,
256 },{
257 .name = "driftfix",
258 .type = QEMU_OPT_STRING,
259 },
260 { /* end of list */ }
261 },
262 };
263
264 static QemuOptsList qemu_sandbox_opts = {
265 .name = "sandbox",
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
268 .desc = {
269 {
270 .name = "enable",
271 .type = QEMU_OPT_BOOL,
272 },
273 { /* end of list */ }
274 },
275 };
276
277 static QemuOptsList qemu_option_rom_opts = {
278 .name = "option-rom",
279 .implied_opt_name = "romfile",
280 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
281 .desc = {
282 {
283 .name = "bootindex",
284 .type = QEMU_OPT_NUMBER,
285 }, {
286 .name = "romfile",
287 .type = QEMU_OPT_STRING,
288 },
289 { /* end of list */ }
290 },
291 };
292
293 static QemuOptsList qemu_machine_opts = {
294 .name = "machine",
295 .implied_opt_name = "type",
296 .merge_lists = true,
297 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
298 .desc = {
299 /*
300 * no elements => accept any
301 * sanity checking will happen later
302 * when setting machine properties
303 */
304 { }
305 },
306 };
307
308 static QemuOptsList qemu_accel_opts = {
309 .name = "accel",
310 .implied_opt_name = "accel",
311 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
312 .merge_lists = true,
313 .desc = {
314 {
315 .name = "accel",
316 .type = QEMU_OPT_STRING,
317 .help = "Select the type of accelerator",
318 },
319 {
320 .name = "thread",
321 .type = QEMU_OPT_STRING,
322 .help = "Enable/disable multi-threaded TCG",
323 },
324 { /* end of list */ }
325 },
326 };
327
328 static QemuOptsList qemu_boot_opts = {
329 .name = "boot-opts",
330 .implied_opt_name = "order",
331 .merge_lists = true,
332 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
333 .desc = {
334 {
335 .name = "order",
336 .type = QEMU_OPT_STRING,
337 }, {
338 .name = "once",
339 .type = QEMU_OPT_STRING,
340 }, {
341 .name = "menu",
342 .type = QEMU_OPT_BOOL,
343 }, {
344 .name = "splash",
345 .type = QEMU_OPT_STRING,
346 }, {
347 .name = "splash-time",
348 .type = QEMU_OPT_STRING,
349 }, {
350 .name = "reboot-timeout",
351 .type = QEMU_OPT_STRING,
352 }, {
353 .name = "strict",
354 .type = QEMU_OPT_BOOL,
355 },
356 { /*End of list */ }
357 },
358 };
359
360 static QemuOptsList qemu_add_fd_opts = {
361 .name = "add-fd",
362 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
363 .desc = {
364 {
365 .name = "fd",
366 .type = QEMU_OPT_NUMBER,
367 .help = "file descriptor of which a duplicate is added to fd set",
368 },{
369 .name = "set",
370 .type = QEMU_OPT_NUMBER,
371 .help = "ID of the fd set to add fd to",
372 },{
373 .name = "opaque",
374 .type = QEMU_OPT_STRING,
375 .help = "free-form string used to describe fd",
376 },
377 { /* end of list */ }
378 },
379 };
380
381 static QemuOptsList qemu_object_opts = {
382 .name = "object",
383 .implied_opt_name = "qom-type",
384 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
385 .desc = {
386 { }
387 },
388 };
389
390 static QemuOptsList qemu_tpmdev_opts = {
391 .name = "tpmdev",
392 .implied_opt_name = "type",
393 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
394 .desc = {
395 /* options are defined in the TPM backends */
396 { /* end of list */ }
397 },
398 };
399
400 static QemuOptsList qemu_realtime_opts = {
401 .name = "realtime",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
403 .desc = {
404 {
405 .name = "mlock",
406 .type = QEMU_OPT_BOOL,
407 },
408 { /* end of list */ }
409 },
410 };
411
412 static QemuOptsList qemu_msg_opts = {
413 .name = "msg",
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
415 .desc = {
416 {
417 .name = "timestamp",
418 .type = QEMU_OPT_BOOL,
419 },
420 { /* end of list */ }
421 },
422 };
423
424 static QemuOptsList qemu_name_opts = {
425 .name = "name",
426 .implied_opt_name = "guest",
427 .merge_lists = true,
428 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
429 .desc = {
430 {
431 .name = "guest",
432 .type = QEMU_OPT_STRING,
433 .help = "Sets the name of the guest.\n"
434 "This name will be displayed in the SDL window caption.\n"
435 "The name will also be used for the VNC server",
436 }, {
437 .name = "process",
438 .type = QEMU_OPT_STRING,
439 .help = "Sets the name of the QEMU process, as shown in top etc",
440 }, {
441 .name = "debug-threads",
442 .type = QEMU_OPT_BOOL,
443 .help = "When enabled, name the individual threads; defaults off.\n"
444 "NOTE: The thread names are for debugging and not a\n"
445 "stable API.",
446 },
447 { /* End of list */ }
448 },
449 };
450
451 static QemuOptsList qemu_mem_opts = {
452 .name = "memory",
453 .implied_opt_name = "size",
454 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
455 .merge_lists = true,
456 .desc = {
457 {
458 .name = "size",
459 .type = QEMU_OPT_SIZE,
460 },
461 {
462 .name = "slots",
463 .type = QEMU_OPT_NUMBER,
464 },
465 {
466 .name = "maxmem",
467 .type = QEMU_OPT_SIZE,
468 },
469 { /* end of list */ }
470 },
471 };
472
473 static QemuOptsList qemu_icount_opts = {
474 .name = "icount",
475 .implied_opt_name = "shift",
476 .merge_lists = true,
477 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
478 .desc = {
479 {
480 .name = "shift",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "align",
484 .type = QEMU_OPT_BOOL,
485 }, {
486 .name = "sleep",
487 .type = QEMU_OPT_BOOL,
488 }, {
489 .name = "rr",
490 .type = QEMU_OPT_STRING,
491 }, {
492 .name = "rrfile",
493 .type = QEMU_OPT_STRING,
494 }, {
495 .name = "rrsnapshot",
496 .type = QEMU_OPT_STRING,
497 },
498 { /* end of list */ }
499 },
500 };
501
502 static QemuOptsList qemu_semihosting_config_opts = {
503 .name = "semihosting-config",
504 .implied_opt_name = "enable",
505 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
506 .desc = {
507 {
508 .name = "enable",
509 .type = QEMU_OPT_BOOL,
510 }, {
511 .name = "target",
512 .type = QEMU_OPT_STRING,
513 }, {
514 .name = "arg",
515 .type = QEMU_OPT_STRING,
516 },
517 { /* end of list */ }
518 },
519 };
520
521 static QemuOptsList qemu_fw_cfg_opts = {
522 .name = "fw_cfg",
523 .implied_opt_name = "name",
524 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
525 .desc = {
526 {
527 .name = "name",
528 .type = QEMU_OPT_STRING,
529 .help = "Sets the fw_cfg name of the blob to be inserted",
530 }, {
531 .name = "file",
532 .type = QEMU_OPT_STRING,
533 .help = "Sets the name of the file from which\n"
534 "the fw_cfg blob will be loaded",
535 }, {
536 .name = "string",
537 .type = QEMU_OPT_STRING,
538 .help = "Sets content of the blob to be inserted from a string",
539 },
540 { /* end of list */ }
541 },
542 };
543
544 /**
545 * Get machine options
546 *
547 * Returns: machine options (never null).
548 */
549 QemuOpts *qemu_get_machine_opts(void)
550 {
551 return qemu_find_opts_singleton("machine");
552 }
553
554 const char *qemu_get_vm_name(void)
555 {
556 return qemu_name;
557 }
558
559 static void res_free(void)
560 {
561 g_free(boot_splash_filedata);
562 boot_splash_filedata = NULL;
563 }
564
565 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
566 {
567 const char *driver = qemu_opt_get(opts, "driver");
568 int i;
569
570 if (!driver)
571 return 0;
572 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
573 if (strcmp(default_list[i].driver, driver) != 0)
574 continue;
575 *(default_list[i].flag) = 0;
576 }
577 return 0;
578 }
579
580 /***********************************************************/
581 /* QEMU state */
582
583 static RunState current_run_state = RUN_STATE_PRELAUNCH;
584
585 /* We use RUN_STATE__MAX but any invalid value will do */
586 static RunState vmstop_requested = RUN_STATE__MAX;
587 static QemuMutex vmstop_lock;
588
589 typedef struct {
590 RunState from;
591 RunState to;
592 } RunStateTransition;
593
594 static const RunStateTransition runstate_transitions_def[] = {
595 /* from -> to */
596 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
597 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
599
600 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
601 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
602 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
603 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
604 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
605 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
606 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
607 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
608 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
609 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
610 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
611 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
612
613 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
616
617 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
618 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
620
621 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
622 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
624 { RUN_STATE_PAUSED, RUN_STATE_COLO},
625
626 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
629
630 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
632 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
633
634 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
635 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
636 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
638
639 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
640 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
641
642 { RUN_STATE_COLO, RUN_STATE_RUNNING },
643
644 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
645 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
647 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
648 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
651 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
652 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
653 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
654 { RUN_STATE_RUNNING, RUN_STATE_COLO},
655
656 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
657
658 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
659 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
660 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
661
662 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
663 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
664 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
665 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
667 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
668
669 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
670 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
671 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
672 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
673
674 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
675 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
677
678 { RUN_STATE__MAX, RUN_STATE__MAX },
679 };
680
681 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
682
683 bool runstate_check(RunState state)
684 {
685 return current_run_state == state;
686 }
687
688 bool runstate_store(char *str, size_t size)
689 {
690 const char *state = RunState_lookup[current_run_state];
691 size_t len = strlen(state) + 1;
692
693 if (len > size) {
694 return false;
695 }
696 memcpy(str, state, len);
697 return true;
698 }
699
700 static void runstate_init(void)
701 {
702 const RunStateTransition *p;
703
704 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
705 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
706 runstate_valid_transitions[p->from][p->to] = true;
707 }
708
709 qemu_mutex_init(&vmstop_lock);
710 }
711
712 /* This function will abort() on invalid state transitions */
713 void runstate_set(RunState new_state)
714 {
715 assert(new_state < RUN_STATE__MAX);
716
717 if (current_run_state == new_state) {
718 return;
719 }
720
721 if (!runstate_valid_transitions[current_run_state][new_state]) {
722 error_report("invalid runstate transition: '%s' -> '%s'",
723 RunState_lookup[current_run_state],
724 RunState_lookup[new_state]);
725 abort();
726 }
727 trace_runstate_set(new_state);
728 current_run_state = new_state;
729 }
730
731 int runstate_is_running(void)
732 {
733 return runstate_check(RUN_STATE_RUNNING);
734 }
735
736 bool runstate_needs_reset(void)
737 {
738 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
739 runstate_check(RUN_STATE_SHUTDOWN);
740 }
741
742 StatusInfo *qmp_query_status(Error **errp)
743 {
744 StatusInfo *info = g_malloc0(sizeof(*info));
745
746 info->running = runstate_is_running();
747 info->singlestep = singlestep;
748 info->status = current_run_state;
749
750 return info;
751 }
752
753 bool qemu_vmstop_requested(RunState *r)
754 {
755 qemu_mutex_lock(&vmstop_lock);
756 *r = vmstop_requested;
757 vmstop_requested = RUN_STATE__MAX;
758 qemu_mutex_unlock(&vmstop_lock);
759 return *r < RUN_STATE__MAX;
760 }
761
762 void qemu_system_vmstop_request_prepare(void)
763 {
764 qemu_mutex_lock(&vmstop_lock);
765 }
766
767 void qemu_system_vmstop_request(RunState state)
768 {
769 vmstop_requested = state;
770 qemu_mutex_unlock(&vmstop_lock);
771 qemu_notify_event();
772 }
773
774 /***********************************************************/
775 /* real time host monotonic timer */
776
777 static time_t qemu_time(void)
778 {
779 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
780 }
781
782 /***********************************************************/
783 /* host time/date access */
784 void qemu_get_timedate(struct tm *tm, int offset)
785 {
786 time_t ti = qemu_time();
787
788 ti += offset;
789 if (rtc_date_offset == -1) {
790 if (rtc_utc)
791 gmtime_r(&ti, tm);
792 else
793 localtime_r(&ti, tm);
794 } else {
795 ti -= rtc_date_offset;
796 gmtime_r(&ti, tm);
797 }
798 }
799
800 int qemu_timedate_diff(struct tm *tm)
801 {
802 time_t seconds;
803
804 if (rtc_date_offset == -1)
805 if (rtc_utc)
806 seconds = mktimegm(tm);
807 else {
808 struct tm tmp = *tm;
809 tmp.tm_isdst = -1; /* use timezone to figure it out */
810 seconds = mktime(&tmp);
811 }
812 else
813 seconds = mktimegm(tm) + rtc_date_offset;
814
815 return seconds - qemu_time();
816 }
817
818 static void configure_rtc_date_offset(const char *startdate, int legacy)
819 {
820 time_t rtc_start_date;
821 struct tm tm;
822
823 if (!strcmp(startdate, "now") && legacy) {
824 rtc_date_offset = -1;
825 } else {
826 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
827 &tm.tm_year,
828 &tm.tm_mon,
829 &tm.tm_mday,
830 &tm.tm_hour,
831 &tm.tm_min,
832 &tm.tm_sec) == 6) {
833 /* OK */
834 } else if (sscanf(startdate, "%d-%d-%d",
835 &tm.tm_year,
836 &tm.tm_mon,
837 &tm.tm_mday) == 3) {
838 tm.tm_hour = 0;
839 tm.tm_min = 0;
840 tm.tm_sec = 0;
841 } else {
842 goto date_fail;
843 }
844 tm.tm_year -= 1900;
845 tm.tm_mon--;
846 rtc_start_date = mktimegm(&tm);
847 if (rtc_start_date == -1) {
848 date_fail:
849 error_report("invalid date format");
850 error_printf("valid formats: "
851 "'2006-06-17T16:01:21' or '2006-06-17'\n");
852 exit(1);
853 }
854 rtc_date_offset = qemu_time() - rtc_start_date;
855 }
856 }
857
858 static void configure_rtc(QemuOpts *opts)
859 {
860 const char *value;
861
862 value = qemu_opt_get(opts, "base");
863 if (value) {
864 if (!strcmp(value, "utc")) {
865 rtc_utc = 1;
866 } else if (!strcmp(value, "localtime")) {
867 Error *blocker = NULL;
868 rtc_utc = 0;
869 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
870 "-rtc base=localtime");
871 replay_add_blocker(blocker);
872 } else {
873 configure_rtc_date_offset(value, 0);
874 }
875 }
876 value = qemu_opt_get(opts, "clock");
877 if (value) {
878 if (!strcmp(value, "host")) {
879 rtc_clock = QEMU_CLOCK_HOST;
880 } else if (!strcmp(value, "rt")) {
881 rtc_clock = QEMU_CLOCK_REALTIME;
882 } else if (!strcmp(value, "vm")) {
883 rtc_clock = QEMU_CLOCK_VIRTUAL;
884 } else {
885 error_report("invalid option value '%s'", value);
886 exit(1);
887 }
888 }
889 value = qemu_opt_get(opts, "driftfix");
890 if (value) {
891 if (!strcmp(value, "slew")) {
892 static GlobalProperty slew_lost_ticks = {
893 .driver = "mc146818rtc",
894 .property = "lost_tick_policy",
895 .value = "slew",
896 };
897
898 qdev_prop_register_global(&slew_lost_ticks);
899 } else if (!strcmp(value, "none")) {
900 /* discard is default */
901 } else {
902 error_report("invalid option value '%s'", value);
903 exit(1);
904 }
905 }
906 }
907
908 /***********************************************************/
909 /* Bluetooth support */
910 static int nb_hcis;
911 static int cur_hci;
912 static struct HCIInfo *hci_table[MAX_NICS];
913
914 struct HCIInfo *qemu_next_hci(void)
915 {
916 if (cur_hci == nb_hcis)
917 return &null_hci;
918
919 return hci_table[cur_hci++];
920 }
921
922 static int bt_hci_parse(const char *str)
923 {
924 struct HCIInfo *hci;
925 bdaddr_t bdaddr;
926
927 if (nb_hcis >= MAX_NICS) {
928 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
929 return -1;
930 }
931
932 hci = hci_init(str);
933 if (!hci)
934 return -1;
935
936 bdaddr.b[0] = 0x52;
937 bdaddr.b[1] = 0x54;
938 bdaddr.b[2] = 0x00;
939 bdaddr.b[3] = 0x12;
940 bdaddr.b[4] = 0x34;
941 bdaddr.b[5] = 0x56 + nb_hcis;
942 hci->bdaddr_set(hci, bdaddr.b);
943
944 hci_table[nb_hcis++] = hci;
945
946 return 0;
947 }
948
949 static void bt_vhci_add(int vlan_id)
950 {
951 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
952
953 if (!vlan->slave)
954 error_report("warning: adding a VHCI to an empty scatternet %i",
955 vlan_id);
956
957 bt_vhci_init(bt_new_hci(vlan));
958 }
959
960 static struct bt_device_s *bt_device_add(const char *opt)
961 {
962 struct bt_scatternet_s *vlan;
963 int vlan_id = 0;
964 char *endp = strstr(opt, ",vlan=");
965 int len = (endp ? endp - opt : strlen(opt)) + 1;
966 char devname[10];
967
968 pstrcpy(devname, MIN(sizeof(devname), len), opt);
969
970 if (endp) {
971 vlan_id = strtol(endp + 6, &endp, 0);
972 if (*endp) {
973 error_report("unrecognised bluetooth vlan Id");
974 return 0;
975 }
976 }
977
978 vlan = qemu_find_bt_vlan(vlan_id);
979
980 if (!vlan->slave)
981 error_report("warning: adding a slave device to an empty scatternet %i",
982 vlan_id);
983
984 if (!strcmp(devname, "keyboard"))
985 return bt_keyboard_init(vlan);
986
987 error_report("unsupported bluetooth device '%s'", devname);
988 return 0;
989 }
990
991 static int bt_parse(const char *opt)
992 {
993 const char *endp, *p;
994 int vlan;
995
996 if (strstart(opt, "hci", &endp)) {
997 if (!*endp || *endp == ',') {
998 if (*endp)
999 if (!strstart(endp, ",vlan=", 0))
1000 opt = endp + 1;
1001
1002 return bt_hci_parse(opt);
1003 }
1004 } else if (strstart(opt, "vhci", &endp)) {
1005 if (!*endp || *endp == ',') {
1006 if (*endp) {
1007 if (strstart(endp, ",vlan=", &p)) {
1008 vlan = strtol(p, (char **) &endp, 0);
1009 if (*endp) {
1010 error_report("bad scatternet '%s'", p);
1011 return 1;
1012 }
1013 } else {
1014 error_report("bad parameter '%s'", endp + 1);
1015 return 1;
1016 }
1017 } else
1018 vlan = 0;
1019
1020 bt_vhci_add(vlan);
1021 return 0;
1022 }
1023 } else if (strstart(opt, "device:", &endp))
1024 return !bt_device_add(endp);
1025
1026 error_report("bad bluetooth parameter '%s'", opt);
1027 return 1;
1028 }
1029
1030 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1031 {
1032 /* FIXME: change this to true for 1.3 */
1033 if (qemu_opt_get_bool(opts, "enable", false)) {
1034 #ifdef CONFIG_SECCOMP
1035 if (seccomp_start() < 0) {
1036 error_report("failed to install seccomp syscall filter "
1037 "in the kernel");
1038 return -1;
1039 }
1040 #else
1041 error_report("seccomp support is disabled");
1042 return -1;
1043 #endif
1044 }
1045
1046 return 0;
1047 }
1048
1049 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1050 {
1051 const char *proc_name;
1052
1053 if (qemu_opt_get(opts, "debug-threads")) {
1054 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1055 }
1056 qemu_name = qemu_opt_get(opts, "guest");
1057
1058 proc_name = qemu_opt_get(opts, "process");
1059 if (proc_name) {
1060 os_set_proc_name(proc_name);
1061 }
1062
1063 return 0;
1064 }
1065
1066 bool defaults_enabled(void)
1067 {
1068 return has_defaults;
1069 }
1070
1071 #ifndef _WIN32
1072 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1073 {
1074 int fd, dupfd, flags;
1075 int64_t fdset_id;
1076 const char *fd_opaque = NULL;
1077 AddfdInfo *fdinfo;
1078
1079 fd = qemu_opt_get_number(opts, "fd", -1);
1080 fdset_id = qemu_opt_get_number(opts, "set", -1);
1081 fd_opaque = qemu_opt_get(opts, "opaque");
1082
1083 if (fd < 0) {
1084 error_report("fd option is required and must be non-negative");
1085 return -1;
1086 }
1087
1088 if (fd <= STDERR_FILENO) {
1089 error_report("fd cannot be a standard I/O stream");
1090 return -1;
1091 }
1092
1093 /*
1094 * All fds inherited across exec() necessarily have FD_CLOEXEC
1095 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1096 */
1097 flags = fcntl(fd, F_GETFD);
1098 if (flags == -1 || (flags & FD_CLOEXEC)) {
1099 error_report("fd is not valid or already in use");
1100 return -1;
1101 }
1102
1103 if (fdset_id < 0) {
1104 error_report("set option is required and must be non-negative");
1105 return -1;
1106 }
1107
1108 #ifdef F_DUPFD_CLOEXEC
1109 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1110 #else
1111 dupfd = dup(fd);
1112 if (dupfd != -1) {
1113 qemu_set_cloexec(dupfd);
1114 }
1115 #endif
1116 if (dupfd == -1) {
1117 error_report("error duplicating fd: %s", strerror(errno));
1118 return -1;
1119 }
1120
1121 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1122 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1123 &error_abort);
1124 g_free(fdinfo);
1125
1126 return 0;
1127 }
1128
1129 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1130 {
1131 int fd;
1132
1133 fd = qemu_opt_get_number(opts, "fd", -1);
1134 close(fd);
1135
1136 return 0;
1137 }
1138 #endif
1139
1140 /***********************************************************/
1141 /* QEMU Block devices */
1142
1143 #define HD_OPTS "media=disk"
1144 #define CDROM_OPTS "media=cdrom"
1145 #define FD_OPTS ""
1146 #define PFLASH_OPTS ""
1147 #define MTD_OPTS ""
1148 #define SD_OPTS ""
1149
1150 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1151 {
1152 BlockInterfaceType *block_default_type = opaque;
1153
1154 return drive_new(opts, *block_default_type) == NULL;
1155 }
1156
1157 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1158 {
1159 if (qemu_opt_get(opts, "snapshot") == NULL) {
1160 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1161 }
1162 return 0;
1163 }
1164
1165 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1166 int index, const char *optstr)
1167 {
1168 QemuOpts *opts;
1169 DriveInfo *dinfo;
1170
1171 if (!enable || drive_get_by_index(type, index)) {
1172 return;
1173 }
1174
1175 opts = drive_add(type, index, NULL, optstr);
1176 if (snapshot) {
1177 drive_enable_snapshot(NULL, opts, NULL);
1178 }
1179
1180 dinfo = drive_new(opts, type);
1181 if (!dinfo) {
1182 exit(1);
1183 }
1184 dinfo->is_default = true;
1185
1186 }
1187
1188 static QemuOptsList qemu_smp_opts = {
1189 .name = "smp-opts",
1190 .implied_opt_name = "cpus",
1191 .merge_lists = true,
1192 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1193 .desc = {
1194 {
1195 .name = "cpus",
1196 .type = QEMU_OPT_NUMBER,
1197 }, {
1198 .name = "sockets",
1199 .type = QEMU_OPT_NUMBER,
1200 }, {
1201 .name = "cores",
1202 .type = QEMU_OPT_NUMBER,
1203 }, {
1204 .name = "threads",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "maxcpus",
1208 .type = QEMU_OPT_NUMBER,
1209 },
1210 { /*End of list */ }
1211 },
1212 };
1213
1214 static void smp_parse(QemuOpts *opts)
1215 {
1216 if (opts) {
1217 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1218 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1219 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1220 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1221
1222 /* compute missing values, prefer sockets over cores over threads */
1223 if (cpus == 0 || sockets == 0) {
1224 sockets = sockets > 0 ? sockets : 1;
1225 cores = cores > 0 ? cores : 1;
1226 threads = threads > 0 ? threads : 1;
1227 if (cpus == 0) {
1228 cpus = cores * threads * sockets;
1229 }
1230 } else if (cores == 0) {
1231 threads = threads > 0 ? threads : 1;
1232 cores = cpus / (sockets * threads);
1233 cores = cores > 0 ? cores : 1;
1234 } else if (threads == 0) {
1235 threads = cpus / (cores * sockets);
1236 threads = threads > 0 ? threads : 1;
1237 } else if (sockets * cores * threads < cpus) {
1238 error_report("cpu topology: "
1239 "sockets (%u) * cores (%u) * threads (%u) < "
1240 "smp_cpus (%u)",
1241 sockets, cores, threads, cpus);
1242 exit(1);
1243 }
1244
1245 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1246
1247 if (max_cpus < cpus) {
1248 error_report("maxcpus must be equal to or greater than smp");
1249 exit(1);
1250 }
1251
1252 if (sockets * cores * threads > max_cpus) {
1253 error_report("cpu topology: "
1254 "sockets (%u) * cores (%u) * threads (%u) > "
1255 "maxcpus (%u)",
1256 sockets, cores, threads, max_cpus);
1257 exit(1);
1258 }
1259
1260 smp_cpus = cpus;
1261 smp_cores = cores;
1262 smp_threads = threads;
1263 }
1264
1265 if (smp_cpus > 1) {
1266 Error *blocker = NULL;
1267 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1268 replay_add_blocker(blocker);
1269 }
1270 }
1271
1272 static void realtime_init(void)
1273 {
1274 if (enable_mlock) {
1275 if (os_mlock() < 0) {
1276 error_report("locking memory failed");
1277 exit(1);
1278 }
1279 }
1280 }
1281
1282
1283 static void configure_msg(QemuOpts *opts)
1284 {
1285 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1286 }
1287
1288 /***********************************************************/
1289 /* Semihosting */
1290
1291 typedef struct SemihostingConfig {
1292 bool enabled;
1293 SemihostingTarget target;
1294 const char **argv;
1295 int argc;
1296 const char *cmdline; /* concatenated argv */
1297 } SemihostingConfig;
1298
1299 static SemihostingConfig semihosting;
1300
1301 bool semihosting_enabled(void)
1302 {
1303 return semihosting.enabled;
1304 }
1305
1306 SemihostingTarget semihosting_get_target(void)
1307 {
1308 return semihosting.target;
1309 }
1310
1311 const char *semihosting_get_arg(int i)
1312 {
1313 if (i >= semihosting.argc) {
1314 return NULL;
1315 }
1316 return semihosting.argv[i];
1317 }
1318
1319 int semihosting_get_argc(void)
1320 {
1321 return semihosting.argc;
1322 }
1323
1324 const char *semihosting_get_cmdline(void)
1325 {
1326 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1327 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1328 }
1329 return semihosting.cmdline;
1330 }
1331
1332 static int add_semihosting_arg(void *opaque,
1333 const char *name, const char *val,
1334 Error **errp)
1335 {
1336 SemihostingConfig *s = opaque;
1337 if (strcmp(name, "arg") == 0) {
1338 s->argc++;
1339 /* one extra element as g_strjoinv() expects NULL-terminated array */
1340 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1341 s->argv[s->argc - 1] = val;
1342 s->argv[s->argc] = NULL;
1343 }
1344 return 0;
1345 }
1346
1347 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1348 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1349 {
1350 char *cmd_token;
1351
1352 /* argv[0] */
1353 add_semihosting_arg(&semihosting, "arg", file, NULL);
1354
1355 /* split -append and initialize argv[1..n] */
1356 cmd_token = strtok(g_strdup(cmd), " ");
1357 while (cmd_token) {
1358 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1359 cmd_token = strtok(NULL, " ");
1360 }
1361 }
1362
1363 /* Now we still need this for compatibility with XEN. */
1364 bool has_igd_gfx_passthru;
1365 static void igd_gfx_passthru(void)
1366 {
1367 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1368 }
1369
1370 /***********************************************************/
1371 /* USB devices */
1372
1373 static int usb_device_add(const char *devname)
1374 {
1375 USBDevice *dev = NULL;
1376 #ifndef CONFIG_LINUX
1377 const char *p;
1378 #endif
1379
1380 if (!machine_usb(current_machine)) {
1381 return -1;
1382 }
1383
1384 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1385 dev = usbdevice_create(devname);
1386 if (dev)
1387 goto done;
1388
1389 /* the other ones */
1390 #ifndef CONFIG_LINUX
1391 /* only the linux version is qdev-ified, usb-bsd still needs this */
1392 if (strstart(devname, "host:", &p)) {
1393 dev = usb_host_device_open(usb_bus_find(-1), p);
1394 }
1395 #endif
1396 if (!dev)
1397 return -1;
1398
1399 done:
1400 return 0;
1401 }
1402
1403 static int usb_device_del(const char *devname)
1404 {
1405 int bus_num, addr;
1406 const char *p;
1407
1408 if (strstart(devname, "host:", &p)) {
1409 return -1;
1410 }
1411
1412 if (!machine_usb(current_machine)) {
1413 return -1;
1414 }
1415
1416 p = strchr(devname, '.');
1417 if (!p)
1418 return -1;
1419 bus_num = strtoul(devname, NULL, 0);
1420 addr = strtoul(p + 1, NULL, 0);
1421
1422 return usb_device_delete_addr(bus_num, addr);
1423 }
1424
1425 static int usb_parse(const char *cmdline)
1426 {
1427 int r;
1428 r = usb_device_add(cmdline);
1429 if (r < 0) {
1430 error_report("could not add USB device '%s'", cmdline);
1431 }
1432 return r;
1433 }
1434
1435 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1436 {
1437 const char *devname = qdict_get_str(qdict, "devname");
1438 if (usb_device_add(devname) < 0) {
1439 error_report("could not add USB device '%s'", devname);
1440 }
1441 }
1442
1443 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1444 {
1445 const char *devname = qdict_get_str(qdict, "devname");
1446 if (usb_device_del(devname) < 0) {
1447 error_report("could not delete USB device '%s'", devname);
1448 }
1449 }
1450
1451 /***********************************************************/
1452 /* machine registration */
1453
1454 MachineState *current_machine;
1455
1456 static MachineClass *find_machine(const char *name)
1457 {
1458 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1459 MachineClass *mc = NULL;
1460
1461 for (el = machines; el; el = el->next) {
1462 MachineClass *temp = el->data;
1463
1464 if (!strcmp(temp->name, name)) {
1465 mc = temp;
1466 break;
1467 }
1468 if (temp->alias &&
1469 !strcmp(temp->alias, name)) {
1470 mc = temp;
1471 break;
1472 }
1473 }
1474
1475 g_slist_free(machines);
1476 return mc;
1477 }
1478
1479 MachineClass *find_default_machine(void)
1480 {
1481 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1482 MachineClass *mc = NULL;
1483
1484 for (el = machines; el; el = el->next) {
1485 MachineClass *temp = el->data;
1486
1487 if (temp->is_default) {
1488 mc = temp;
1489 break;
1490 }
1491 }
1492
1493 g_slist_free(machines);
1494 return mc;
1495 }
1496
1497 MachineInfoList *qmp_query_machines(Error **errp)
1498 {
1499 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1500 MachineInfoList *mach_list = NULL;
1501
1502 for (el = machines; el; el = el->next) {
1503 MachineClass *mc = el->data;
1504 MachineInfoList *entry;
1505 MachineInfo *info;
1506
1507 info = g_malloc0(sizeof(*info));
1508 if (mc->is_default) {
1509 info->has_is_default = true;
1510 info->is_default = true;
1511 }
1512
1513 if (mc->alias) {
1514 info->has_alias = true;
1515 info->alias = g_strdup(mc->alias);
1516 }
1517
1518 info->name = g_strdup(mc->name);
1519 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1520 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1521
1522 entry = g_malloc0(sizeof(*entry));
1523 entry->value = info;
1524 entry->next = mach_list;
1525 mach_list = entry;
1526 }
1527
1528 g_slist_free(machines);
1529 return mach_list;
1530 }
1531
1532 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1533 {
1534 ObjectProperty *prop;
1535 ObjectPropertyIterator iter;
1536
1537 if (!qemu_opt_has_help_opt(opts)) {
1538 return 0;
1539 }
1540
1541 object_property_iter_init(&iter, OBJECT(machine));
1542 while ((prop = object_property_iter_next(&iter))) {
1543 if (!prop->set) {
1544 continue;
1545 }
1546
1547 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1548 prop->name, prop->type);
1549 if (prop->description) {
1550 error_printf(" (%s)\n", prop->description);
1551 } else {
1552 error_printf("\n");
1553 }
1554 }
1555
1556 return 1;
1557 }
1558
1559 /***********************************************************/
1560 /* main execution loop */
1561
1562 struct vm_change_state_entry {
1563 VMChangeStateHandler *cb;
1564 void *opaque;
1565 QLIST_ENTRY (vm_change_state_entry) entries;
1566 };
1567
1568 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1569
1570 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1571 void *opaque)
1572 {
1573 VMChangeStateEntry *e;
1574
1575 e = g_malloc0(sizeof (*e));
1576
1577 e->cb = cb;
1578 e->opaque = opaque;
1579 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1580 return e;
1581 }
1582
1583 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1584 {
1585 QLIST_REMOVE (e, entries);
1586 g_free (e);
1587 }
1588
1589 void vm_state_notify(int running, RunState state)
1590 {
1591 VMChangeStateEntry *e, *next;
1592
1593 trace_vm_state_notify(running, state);
1594
1595 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1596 e->cb(e->opaque, running, state);
1597 }
1598 }
1599
1600 static ShutdownCause reset_requested;
1601 static ShutdownCause shutdown_requested;
1602 static int shutdown_signal;
1603 static pid_t shutdown_pid;
1604 static int powerdown_requested;
1605 static int debug_requested;
1606 static int suspend_requested;
1607 static WakeupReason wakeup_reason;
1608 static NotifierList powerdown_notifiers =
1609 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1610 static NotifierList suspend_notifiers =
1611 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1612 static NotifierList wakeup_notifiers =
1613 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1614 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1615
1616 ShutdownCause qemu_shutdown_requested_get(void)
1617 {
1618 return shutdown_requested;
1619 }
1620
1621 ShutdownCause qemu_reset_requested_get(void)
1622 {
1623 return reset_requested;
1624 }
1625
1626 static int qemu_shutdown_requested(void)
1627 {
1628 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1629 }
1630
1631 static void qemu_kill_report(void)
1632 {
1633 if (!qtest_driver() && shutdown_signal) {
1634 if (shutdown_pid == 0) {
1635 /* This happens for eg ^C at the terminal, so it's worth
1636 * avoiding printing an odd message in that case.
1637 */
1638 error_report("terminating on signal %d", shutdown_signal);
1639 } else {
1640 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1641
1642 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1643 shutdown_signal, shutdown_pid,
1644 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1645 g_free(shutdown_cmd);
1646 }
1647 shutdown_signal = 0;
1648 }
1649 }
1650
1651 static ShutdownCause qemu_reset_requested(void)
1652 {
1653 ShutdownCause r = reset_requested;
1654
1655 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1656 reset_requested = SHUTDOWN_CAUSE_NONE;
1657 return r;
1658 }
1659 return SHUTDOWN_CAUSE_NONE;
1660 }
1661
1662 static int qemu_suspend_requested(void)
1663 {
1664 int r = suspend_requested;
1665 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1666 suspend_requested = 0;
1667 return r;
1668 }
1669 return false;
1670 }
1671
1672 static WakeupReason qemu_wakeup_requested(void)
1673 {
1674 return wakeup_reason;
1675 }
1676
1677 static int qemu_powerdown_requested(void)
1678 {
1679 int r = powerdown_requested;
1680 powerdown_requested = 0;
1681 return r;
1682 }
1683
1684 static int qemu_debug_requested(void)
1685 {
1686 int r = debug_requested;
1687 debug_requested = 0;
1688 return r;
1689 }
1690
1691 /*
1692 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1693 */
1694 void qemu_system_reset(ShutdownCause reason)
1695 {
1696 MachineClass *mc;
1697
1698 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1699
1700 cpu_synchronize_all_states();
1701
1702 if (mc && mc->reset) {
1703 mc->reset();
1704 } else {
1705 qemu_devices_reset();
1706 }
1707 if (reason) {
1708 /* TODO update event based on reason */
1709 qapi_event_send_reset(&error_abort);
1710 }
1711 cpu_synchronize_all_post_reset();
1712 }
1713
1714 void qemu_system_guest_panicked(GuestPanicInformation *info)
1715 {
1716 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1717
1718 if (current_cpu) {
1719 current_cpu->crash_occurred = true;
1720 }
1721 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1722 !!info, info, &error_abort);
1723 vm_stop(RUN_STATE_GUEST_PANICKED);
1724 if (!no_shutdown) {
1725 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1726 !!info, info, &error_abort);
1727 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1728 }
1729
1730 if (info) {
1731 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1732 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1733 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1734 info->u.hyper_v.arg1,
1735 info->u.hyper_v.arg2,
1736 info->u.hyper_v.arg3,
1737 info->u.hyper_v.arg4,
1738 info->u.hyper_v.arg5);
1739 }
1740 qapi_free_GuestPanicInformation(info);
1741 }
1742 }
1743
1744 void qemu_system_reset_request(ShutdownCause reason)
1745 {
1746 if (no_reboot) {
1747 shutdown_requested = reason;
1748 } else {
1749 reset_requested = reason;
1750 }
1751 cpu_stop_current();
1752 qemu_notify_event();
1753 }
1754
1755 static void qemu_system_suspend(void)
1756 {
1757 pause_all_vcpus();
1758 notifier_list_notify(&suspend_notifiers, NULL);
1759 runstate_set(RUN_STATE_SUSPENDED);
1760 qapi_event_send_suspend(&error_abort);
1761 }
1762
1763 void qemu_system_suspend_request(void)
1764 {
1765 if (runstate_check(RUN_STATE_SUSPENDED)) {
1766 return;
1767 }
1768 suspend_requested = 1;
1769 cpu_stop_current();
1770 qemu_notify_event();
1771 }
1772
1773 void qemu_register_suspend_notifier(Notifier *notifier)
1774 {
1775 notifier_list_add(&suspend_notifiers, notifier);
1776 }
1777
1778 void qemu_system_wakeup_request(WakeupReason reason)
1779 {
1780 trace_system_wakeup_request(reason);
1781
1782 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1783 return;
1784 }
1785 if (!(wakeup_reason_mask & (1 << reason))) {
1786 return;
1787 }
1788 runstate_set(RUN_STATE_RUNNING);
1789 wakeup_reason = reason;
1790 qemu_notify_event();
1791 }
1792
1793 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1794 {
1795 if (enabled) {
1796 wakeup_reason_mask |= (1 << reason);
1797 } else {
1798 wakeup_reason_mask &= ~(1 << reason);
1799 }
1800 }
1801
1802 void qemu_register_wakeup_notifier(Notifier *notifier)
1803 {
1804 notifier_list_add(&wakeup_notifiers, notifier);
1805 }
1806
1807 void qemu_system_killed(int signal, pid_t pid)
1808 {
1809 shutdown_signal = signal;
1810 shutdown_pid = pid;
1811 no_shutdown = 0;
1812
1813 /* Cannot call qemu_system_shutdown_request directly because
1814 * we are in a signal handler.
1815 */
1816 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1817 qemu_notify_event();
1818 }
1819
1820 void qemu_system_shutdown_request(ShutdownCause reason)
1821 {
1822 trace_qemu_system_shutdown_request(reason);
1823 replay_shutdown_request(reason);
1824 shutdown_requested = reason;
1825 qemu_notify_event();
1826 }
1827
1828 static void qemu_system_powerdown(void)
1829 {
1830 qapi_event_send_powerdown(&error_abort);
1831 notifier_list_notify(&powerdown_notifiers, NULL);
1832 }
1833
1834 void qemu_system_powerdown_request(void)
1835 {
1836 trace_qemu_system_powerdown_request();
1837 powerdown_requested = 1;
1838 qemu_notify_event();
1839 }
1840
1841 void qemu_register_powerdown_notifier(Notifier *notifier)
1842 {
1843 notifier_list_add(&powerdown_notifiers, notifier);
1844 }
1845
1846 void qemu_system_debug_request(void)
1847 {
1848 debug_requested = 1;
1849 qemu_notify_event();
1850 }
1851
1852 static bool main_loop_should_exit(void)
1853 {
1854 RunState r;
1855 ShutdownCause request;
1856
1857 if (qemu_debug_requested()) {
1858 vm_stop(RUN_STATE_DEBUG);
1859 }
1860 if (qemu_suspend_requested()) {
1861 qemu_system_suspend();
1862 }
1863 request = qemu_shutdown_requested();
1864 if (request) {
1865 qemu_kill_report();
1866 /* TODO update event based on request */
1867 qapi_event_send_shutdown(&error_abort);
1868 if (no_shutdown) {
1869 vm_stop(RUN_STATE_SHUTDOWN);
1870 } else {
1871 return true;
1872 }
1873 }
1874 request = qemu_reset_requested();
1875 if (request) {
1876 pause_all_vcpus();
1877 qemu_system_reset(request);
1878 resume_all_vcpus();
1879 if (!runstate_check(RUN_STATE_RUNNING) &&
1880 !runstate_check(RUN_STATE_INMIGRATE)) {
1881 runstate_set(RUN_STATE_PRELAUNCH);
1882 }
1883 }
1884 if (qemu_wakeup_requested()) {
1885 pause_all_vcpus();
1886 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1887 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1888 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1889 resume_all_vcpus();
1890 qapi_event_send_wakeup(&error_abort);
1891 }
1892 if (qemu_powerdown_requested()) {
1893 qemu_system_powerdown();
1894 }
1895 if (qemu_vmstop_requested(&r)) {
1896 vm_stop(r);
1897 }
1898 return false;
1899 }
1900
1901 static void main_loop(void)
1902 {
1903 #ifdef CONFIG_PROFILER
1904 int64_t ti;
1905 #endif
1906 do {
1907 #ifdef CONFIG_PROFILER
1908 ti = profile_getclock();
1909 #endif
1910 main_loop_wait(false);
1911 #ifdef CONFIG_PROFILER
1912 dev_time += profile_getclock() - ti;
1913 #endif
1914 } while (!main_loop_should_exit());
1915 }
1916
1917 static void version(void)
1918 {
1919 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1920 QEMU_COPYRIGHT "\n");
1921 }
1922
1923 static void help(int exitcode)
1924 {
1925 version();
1926 printf("usage: %s [options] [disk_image]\n\n"
1927 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1928 error_get_progname());
1929
1930 #define QEMU_OPTIONS_GENERATE_HELP
1931 #include "qemu-options-wrapper.h"
1932
1933 printf("\nDuring emulation, the following keys are useful:\n"
1934 "ctrl-alt-f toggle full screen\n"
1935 "ctrl-alt-n switch to virtual console 'n'\n"
1936 "ctrl-alt toggle mouse and keyboard grab\n"
1937 "\n"
1938 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1939
1940 exit(exitcode);
1941 }
1942
1943 #define HAS_ARG 0x0001
1944
1945 typedef struct QEMUOption {
1946 const char *name;
1947 int flags;
1948 int index;
1949 uint32_t arch_mask;
1950 } QEMUOption;
1951
1952 static const QEMUOption qemu_options[] = {
1953 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1954 #define QEMU_OPTIONS_GENERATE_OPTIONS
1955 #include "qemu-options-wrapper.h"
1956 { NULL },
1957 };
1958
1959 typedef struct VGAInterfaceInfo {
1960 const char *opt_name; /* option name */
1961 const char *name; /* human-readable name */
1962 /* Class names indicating that support is available.
1963 * If no class is specified, the interface is always available */
1964 const char *class_names[2];
1965 } VGAInterfaceInfo;
1966
1967 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1968 [VGA_NONE] = {
1969 .opt_name = "none",
1970 },
1971 [VGA_STD] = {
1972 .opt_name = "std",
1973 .name = "standard VGA",
1974 .class_names = { "VGA", "isa-vga" },
1975 },
1976 [VGA_CIRRUS] = {
1977 .opt_name = "cirrus",
1978 .name = "Cirrus VGA",
1979 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
1980 },
1981 [VGA_VMWARE] = {
1982 .opt_name = "vmware",
1983 .name = "VMWare SVGA",
1984 .class_names = { "vmware-svga" },
1985 },
1986 [VGA_VIRTIO] = {
1987 .opt_name = "virtio",
1988 .name = "Virtio VGA",
1989 .class_names = { "virtio-vga" },
1990 },
1991 [VGA_QXL] = {
1992 .opt_name = "qxl",
1993 .name = "QXL VGA",
1994 .class_names = { "qxl-vga" },
1995 },
1996 [VGA_TCX] = {
1997 .opt_name = "tcx",
1998 .name = "TCX framebuffer",
1999 .class_names = { "SUNW,tcx" },
2000 },
2001 [VGA_CG3] = {
2002 .opt_name = "cg3",
2003 .name = "CG3 framebuffer",
2004 .class_names = { "cgthree" },
2005 },
2006 [VGA_XENFB] = {
2007 .opt_name = "xenfb",
2008 },
2009 };
2010
2011 static bool vga_interface_available(VGAInterfaceType t)
2012 {
2013 VGAInterfaceInfo *ti = &vga_interfaces[t];
2014
2015 assert(t < VGA_TYPE_MAX);
2016 return !ti->class_names[0] ||
2017 object_class_by_name(ti->class_names[0]) ||
2018 object_class_by_name(ti->class_names[1]);
2019 }
2020
2021 static void select_vgahw(const char *p)
2022 {
2023 const char *opts;
2024 int t;
2025
2026 assert(vga_interface_type == VGA_NONE);
2027 for (t = 0; t < VGA_TYPE_MAX; t++) {
2028 VGAInterfaceInfo *ti = &vga_interfaces[t];
2029 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2030 if (!vga_interface_available(t)) {
2031 error_report("%s not available", ti->name);
2032 exit(1);
2033 }
2034 vga_interface_type = t;
2035 break;
2036 }
2037 }
2038 if (t == VGA_TYPE_MAX) {
2039 invalid_vga:
2040 error_report("unknown vga type: %s", p);
2041 exit(1);
2042 }
2043 while (*opts) {
2044 const char *nextopt;
2045
2046 if (strstart(opts, ",retrace=", &nextopt)) {
2047 opts = nextopt;
2048 if (strstart(opts, "dumb", &nextopt))
2049 vga_retrace_method = VGA_RETRACE_DUMB;
2050 else if (strstart(opts, "precise", &nextopt))
2051 vga_retrace_method = VGA_RETRACE_PRECISE;
2052 else goto invalid_vga;
2053 } else goto invalid_vga;
2054 opts = nextopt;
2055 }
2056 }
2057
2058 typedef enum DisplayType {
2059 DT_DEFAULT,
2060 DT_CURSES,
2061 DT_SDL,
2062 DT_COCOA,
2063 DT_GTK,
2064 DT_EGL,
2065 DT_NONE,
2066 } DisplayType;
2067
2068 static DisplayType select_display(const char *p)
2069 {
2070 const char *opts;
2071 DisplayType display = DT_DEFAULT;
2072
2073 if (strstart(p, "sdl", &opts)) {
2074 #ifdef CONFIG_SDL
2075 display = DT_SDL;
2076 while (*opts) {
2077 const char *nextopt;
2078
2079 if (strstart(opts, ",frame=", &nextopt)) {
2080 opts = nextopt;
2081 if (strstart(opts, "on", &nextopt)) {
2082 no_frame = 0;
2083 } else if (strstart(opts, "off", &nextopt)) {
2084 no_frame = 1;
2085 } else {
2086 goto invalid_sdl_args;
2087 }
2088 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2089 opts = nextopt;
2090 if (strstart(opts, "on", &nextopt)) {
2091 alt_grab = 1;
2092 } else if (strstart(opts, "off", &nextopt)) {
2093 alt_grab = 0;
2094 } else {
2095 goto invalid_sdl_args;
2096 }
2097 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2098 opts = nextopt;
2099 if (strstart(opts, "on", &nextopt)) {
2100 ctrl_grab = 1;
2101 } else if (strstart(opts, "off", &nextopt)) {
2102 ctrl_grab = 0;
2103 } else {
2104 goto invalid_sdl_args;
2105 }
2106 } else if (strstart(opts, ",window_close=", &nextopt)) {
2107 opts = nextopt;
2108 if (strstart(opts, "on", &nextopt)) {
2109 no_quit = 0;
2110 } else if (strstart(opts, "off", &nextopt)) {
2111 no_quit = 1;
2112 } else {
2113 goto invalid_sdl_args;
2114 }
2115 } else if (strstart(opts, ",gl=", &nextopt)) {
2116 opts = nextopt;
2117 if (strstart(opts, "on", &nextopt)) {
2118 request_opengl = 1;
2119 } else if (strstart(opts, "off", &nextopt)) {
2120 request_opengl = 0;
2121 } else {
2122 goto invalid_sdl_args;
2123 }
2124 } else {
2125 invalid_sdl_args:
2126 error_report("invalid SDL option string");
2127 exit(1);
2128 }
2129 opts = nextopt;
2130 }
2131 #else
2132 error_report("SDL support is disabled");
2133 exit(1);
2134 #endif
2135 } else if (strstart(p, "vnc", &opts)) {
2136 if (*opts == '=') {
2137 vnc_parse(opts + 1, &error_fatal);
2138 } else {
2139 error_report("VNC requires a display argument vnc=<display>");
2140 exit(1);
2141 }
2142 } else if (strstart(p, "egl-headless", &opts)) {
2143 #ifdef CONFIG_OPENGL
2144 request_opengl = 1;
2145 display_opengl = 1;
2146 display = DT_EGL;
2147 #else
2148 fprintf(stderr, "egl support is disabled\n");
2149 exit(1);
2150 #endif
2151 } else if (strstart(p, "curses", &opts)) {
2152 #ifdef CONFIG_CURSES
2153 display = DT_CURSES;
2154 #else
2155 error_report("curses support is disabled");
2156 exit(1);
2157 #endif
2158 } else if (strstart(p, "gtk", &opts)) {
2159 #ifdef CONFIG_GTK
2160 display = DT_GTK;
2161 while (*opts) {
2162 const char *nextopt;
2163
2164 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2165 opts = nextopt;
2166 if (strstart(opts, "on", &nextopt)) {
2167 grab_on_hover = true;
2168 } else if (strstart(opts, "off", &nextopt)) {
2169 grab_on_hover = false;
2170 } else {
2171 goto invalid_gtk_args;
2172 }
2173 } else if (strstart(opts, ",gl=", &nextopt)) {
2174 opts = nextopt;
2175 if (strstart(opts, "on", &nextopt)) {
2176 request_opengl = 1;
2177 } else if (strstart(opts, "off", &nextopt)) {
2178 request_opengl = 0;
2179 } else {
2180 goto invalid_gtk_args;
2181 }
2182 } else {
2183 invalid_gtk_args:
2184 error_report("invalid GTK option string");
2185 exit(1);
2186 }
2187 opts = nextopt;
2188 }
2189 #else
2190 error_report("GTK support is disabled");
2191 exit(1);
2192 #endif
2193 } else if (strstart(p, "none", &opts)) {
2194 display = DT_NONE;
2195 } else {
2196 error_report("unknown display type");
2197 exit(1);
2198 }
2199
2200 return display;
2201 }
2202
2203 static int balloon_parse(const char *arg)
2204 {
2205 QemuOpts *opts;
2206
2207 if (strcmp(arg, "none") == 0) {
2208 return 0;
2209 }
2210
2211 if (!strncmp(arg, "virtio", 6)) {
2212 if (arg[6] == ',') {
2213 /* have params -> parse them */
2214 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2215 false);
2216 if (!opts)
2217 return -1;
2218 } else {
2219 /* create empty opts */
2220 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2221 &error_abort);
2222 }
2223 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2224 return 0;
2225 }
2226
2227 return -1;
2228 }
2229
2230 char *qemu_find_file(int type, const char *name)
2231 {
2232 int i;
2233 const char *subdir;
2234 char *buf;
2235
2236 /* Try the name as a straight path first */
2237 if (access(name, R_OK) == 0) {
2238 trace_load_file(name, name);
2239 return g_strdup(name);
2240 }
2241
2242 switch (type) {
2243 case QEMU_FILE_TYPE_BIOS:
2244 subdir = "";
2245 break;
2246 case QEMU_FILE_TYPE_KEYMAP:
2247 subdir = "keymaps/";
2248 break;
2249 default:
2250 abort();
2251 }
2252
2253 for (i = 0; i < data_dir_idx; i++) {
2254 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2255 if (access(buf, R_OK) == 0) {
2256 trace_load_file(name, buf);
2257 return buf;
2258 }
2259 g_free(buf);
2260 }
2261 return NULL;
2262 }
2263
2264 static inline bool nonempty_str(const char *str)
2265 {
2266 return str && *str;
2267 }
2268
2269 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2270 {
2271 gchar *buf;
2272 size_t size;
2273 const char *name, *file, *str;
2274 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2275
2276 if (fw_cfg == NULL) {
2277 error_report("fw_cfg device not available");
2278 return -1;
2279 }
2280 name = qemu_opt_get(opts, "name");
2281 file = qemu_opt_get(opts, "file");
2282 str = qemu_opt_get(opts, "string");
2283
2284 /* we need name and either a file or the content string */
2285 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2286 error_report("invalid argument(s)");
2287 return -1;
2288 }
2289 if (nonempty_str(file) && nonempty_str(str)) {
2290 error_report("file and string are mutually exclusive");
2291 return -1;
2292 }
2293 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2294 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2295 return -1;
2296 }
2297 if (strncmp(name, "opt/", 4) != 0) {
2298 error_report("warning: externally provided fw_cfg item names "
2299 "should be prefixed with \"opt/\"");
2300 }
2301 if (nonempty_str(str)) {
2302 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2303 buf = g_memdup(str, size);
2304 } else {
2305 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2306 error_report("can't load %s", file);
2307 return -1;
2308 }
2309 }
2310 /* For legacy, keep user files in a specific global order. */
2311 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2312 fw_cfg_add_file(fw_cfg, name, buf, size);
2313 fw_cfg_reset_order_override(fw_cfg);
2314 return 0;
2315 }
2316
2317 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2318 {
2319 return qdev_device_help(opts);
2320 }
2321
2322 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2323 {
2324 Error *err = NULL;
2325 DeviceState *dev;
2326
2327 dev = qdev_device_add(opts, &err);
2328 if (!dev) {
2329 error_report_err(err);
2330 return -1;
2331 }
2332 object_unref(OBJECT(dev));
2333 return 0;
2334 }
2335
2336 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2337 {
2338 Error *local_err = NULL;
2339
2340 qemu_chr_new_from_opts(opts, &local_err);
2341 if (local_err) {
2342 error_report_err(local_err);
2343 return -1;
2344 }
2345 return 0;
2346 }
2347
2348 #ifdef CONFIG_VIRTFS
2349 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2350 {
2351 return qemu_fsdev_add(opts);
2352 }
2353 #endif
2354
2355 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2356 {
2357 Chardev *chr;
2358 const char *chardev;
2359 const char *mode;
2360 int flags;
2361
2362 mode = qemu_opt_get(opts, "mode");
2363 if (mode == NULL) {
2364 mode = "readline";
2365 }
2366 if (strcmp(mode, "readline") == 0) {
2367 flags = MONITOR_USE_READLINE;
2368 } else if (strcmp(mode, "control") == 0) {
2369 flags = MONITOR_USE_CONTROL;
2370 } else {
2371 error_report("unknown monitor mode \"%s\"", mode);
2372 exit(1);
2373 }
2374
2375 if (qemu_opt_get_bool(opts, "pretty", 0))
2376 flags |= MONITOR_USE_PRETTY;
2377
2378 if (qemu_opt_get_bool(opts, "default", 0)) {
2379 error_report("option 'default' does nothing and is deprecated");
2380 }
2381
2382 chardev = qemu_opt_get(opts, "chardev");
2383 chr = qemu_chr_find(chardev);
2384 if (chr == NULL) {
2385 error_report("chardev \"%s\" not found", chardev);
2386 exit(1);
2387 }
2388
2389 monitor_init(chr, flags);
2390 return 0;
2391 }
2392
2393 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2394 {
2395 static int monitor_device_index = 0;
2396 QemuOpts *opts;
2397 const char *p;
2398 char label[32];
2399
2400 if (strstart(optarg, "chardev:", &p)) {
2401 snprintf(label, sizeof(label), "%s", p);
2402 } else {
2403 snprintf(label, sizeof(label), "compat_monitor%d",
2404 monitor_device_index);
2405 opts = qemu_chr_parse_compat(label, optarg);
2406 if (!opts) {
2407 error_report("parse error: %s", optarg);
2408 exit(1);
2409 }
2410 }
2411
2412 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2413 qemu_opt_set(opts, "mode", mode, &error_abort);
2414 qemu_opt_set(opts, "chardev", label, &error_abort);
2415 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2416 monitor_device_index++;
2417 }
2418
2419 struct device_config {
2420 enum {
2421 DEV_USB, /* -usbdevice */
2422 DEV_BT, /* -bt */
2423 DEV_SERIAL, /* -serial */
2424 DEV_PARALLEL, /* -parallel */
2425 DEV_VIRTCON, /* -virtioconsole */
2426 DEV_DEBUGCON, /* -debugcon */
2427 DEV_GDB, /* -gdb, -s */
2428 DEV_SCLP, /* s390 sclp */
2429 } type;
2430 const char *cmdline;
2431 Location loc;
2432 QTAILQ_ENTRY(device_config) next;
2433 };
2434
2435 static QTAILQ_HEAD(, device_config) device_configs =
2436 QTAILQ_HEAD_INITIALIZER(device_configs);
2437
2438 static void add_device_config(int type, const char *cmdline)
2439 {
2440 struct device_config *conf;
2441
2442 conf = g_malloc0(sizeof(*conf));
2443 conf->type = type;
2444 conf->cmdline = cmdline;
2445 loc_save(&conf->loc);
2446 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2447 }
2448
2449 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2450 {
2451 struct device_config *conf;
2452 int rc;
2453
2454 QTAILQ_FOREACH(conf, &device_configs, next) {
2455 if (conf->type != type)
2456 continue;
2457 loc_push_restore(&conf->loc);
2458 rc = func(conf->cmdline);
2459 loc_pop(&conf->loc);
2460 if (rc) {
2461 return rc;
2462 }
2463 }
2464 return 0;
2465 }
2466
2467 static int serial_parse(const char *devname)
2468 {
2469 static int index = 0;
2470 char label[32];
2471
2472 if (strcmp(devname, "none") == 0)
2473 return 0;
2474 if (index == MAX_SERIAL_PORTS) {
2475 error_report("too many serial ports");
2476 exit(1);
2477 }
2478 snprintf(label, sizeof(label), "serial%d", index);
2479 serial_hds[index] = qemu_chr_new(label, devname);
2480 if (!serial_hds[index]) {
2481 error_report("could not connect serial device"
2482 " to character backend '%s'", devname);
2483 return -1;
2484 }
2485 index++;
2486 return 0;
2487 }
2488
2489 static int parallel_parse(const char *devname)
2490 {
2491 static int index = 0;
2492 char label[32];
2493
2494 if (strcmp(devname, "none") == 0)
2495 return 0;
2496 if (index == MAX_PARALLEL_PORTS) {
2497 error_report("too many parallel ports");
2498 exit(1);
2499 }
2500 snprintf(label, sizeof(label), "parallel%d", index);
2501 parallel_hds[index] = qemu_chr_new(label, devname);
2502 if (!parallel_hds[index]) {
2503 error_report("could not connect parallel device"
2504 " to character backend '%s'", devname);
2505 return -1;
2506 }
2507 index++;
2508 return 0;
2509 }
2510
2511 static int virtcon_parse(const char *devname)
2512 {
2513 QemuOptsList *device = qemu_find_opts("device");
2514 static int index = 0;
2515 char label[32];
2516 QemuOpts *bus_opts, *dev_opts;
2517
2518 if (strcmp(devname, "none") == 0)
2519 return 0;
2520 if (index == MAX_VIRTIO_CONSOLES) {
2521 error_report("too many virtio consoles");
2522 exit(1);
2523 }
2524
2525 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2526 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2527
2528 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2529 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2530
2531 snprintf(label, sizeof(label), "virtcon%d", index);
2532 virtcon_hds[index] = qemu_chr_new(label, devname);
2533 if (!virtcon_hds[index]) {
2534 error_report("could not connect virtio console"
2535 " to character backend '%s'", devname);
2536 return -1;
2537 }
2538 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2539
2540 index++;
2541 return 0;
2542 }
2543
2544 static int sclp_parse(const char *devname)
2545 {
2546 QemuOptsList *device = qemu_find_opts("device");
2547 static int index = 0;
2548 char label[32];
2549 QemuOpts *dev_opts;
2550
2551 if (strcmp(devname, "none") == 0) {
2552 return 0;
2553 }
2554 if (index == MAX_SCLP_CONSOLES) {
2555 error_report("too many sclp consoles");
2556 exit(1);
2557 }
2558
2559 assert(arch_type == QEMU_ARCH_S390X);
2560
2561 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2562 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2563
2564 snprintf(label, sizeof(label), "sclpcon%d", index);
2565 sclp_hds[index] = qemu_chr_new(label, devname);
2566 if (!sclp_hds[index]) {
2567 error_report("could not connect sclp console"
2568 " to character backend '%s'", devname);
2569 return -1;
2570 }
2571 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2572
2573 index++;
2574 return 0;
2575 }
2576
2577 static int debugcon_parse(const char *devname)
2578 {
2579 QemuOpts *opts;
2580
2581 if (!qemu_chr_new("debugcon", devname)) {
2582 exit(1);
2583 }
2584 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2585 if (!opts) {
2586 error_report("already have a debugcon device");
2587 exit(1);
2588 }
2589 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2590 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2591 return 0;
2592 }
2593
2594 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2595 {
2596 const MachineClass *mc1 = a, *mc2 = b;
2597 int res;
2598
2599 if (mc1->family == NULL) {
2600 if (mc2->family == NULL) {
2601 /* Compare standalone machine types against each other; they sort
2602 * in increasing order.
2603 */
2604 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2605 object_class_get_name(OBJECT_CLASS(mc2)));
2606 }
2607
2608 /* Standalone machine types sort after families. */
2609 return 1;
2610 }
2611
2612 if (mc2->family == NULL) {
2613 /* Families sort before standalone machine types. */
2614 return -1;
2615 }
2616
2617 /* Families sort between each other alphabetically increasingly. */
2618 res = strcmp(mc1->family, mc2->family);
2619 if (res != 0) {
2620 return res;
2621 }
2622
2623 /* Within the same family, machine types sort in decreasing order. */
2624 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2625 object_class_get_name(OBJECT_CLASS(mc1)));
2626 }
2627
2628 static MachineClass *machine_parse(const char *name)
2629 {
2630 MachineClass *mc = NULL;
2631 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2632
2633 if (name) {
2634 mc = find_machine(name);
2635 }
2636 if (mc) {
2637 g_slist_free(machines);
2638 return mc;
2639 }
2640 if (name && !is_help_option(name)) {
2641 error_report("unsupported machine type");
2642 error_printf("Use -machine help to list supported machines\n");
2643 } else {
2644 printf("Supported machines are:\n");
2645 machines = g_slist_sort(machines, machine_class_cmp);
2646 for (el = machines; el; el = el->next) {
2647 MachineClass *mc = el->data;
2648 if (mc->alias) {
2649 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2650 }
2651 printf("%-20s %s%s\n", mc->name, mc->desc,
2652 mc->is_default ? " (default)" : "");
2653 }
2654 }
2655
2656 g_slist_free(machines);
2657 exit(!name || !is_help_option(name));
2658 }
2659
2660 void qemu_add_exit_notifier(Notifier *notify)
2661 {
2662 notifier_list_add(&exit_notifiers, notify);
2663 }
2664
2665 void qemu_remove_exit_notifier(Notifier *notify)
2666 {
2667 notifier_remove(notify);
2668 }
2669
2670 static void qemu_run_exit_notifiers(void)
2671 {
2672 notifier_list_notify(&exit_notifiers, NULL);
2673 }
2674
2675 static bool machine_init_done;
2676
2677 void qemu_add_machine_init_done_notifier(Notifier *notify)
2678 {
2679 notifier_list_add(&machine_init_done_notifiers, notify);
2680 if (machine_init_done) {
2681 notify->notify(notify, NULL);
2682 }
2683 }
2684
2685 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2686 {
2687 notifier_remove(notify);
2688 }
2689
2690 static void qemu_run_machine_init_done_notifiers(void)
2691 {
2692 notifier_list_notify(&machine_init_done_notifiers, NULL);
2693 machine_init_done = true;
2694 }
2695
2696 static const QEMUOption *lookup_opt(int argc, char **argv,
2697 const char **poptarg, int *poptind)
2698 {
2699 const QEMUOption *popt;
2700 int optind = *poptind;
2701 char *r = argv[optind];
2702 const char *optarg;
2703
2704 loc_set_cmdline(argv, optind, 1);
2705 optind++;
2706 /* Treat --foo the same as -foo. */
2707 if (r[1] == '-')
2708 r++;
2709 popt = qemu_options;
2710 for(;;) {
2711 if (!popt->name) {
2712 error_report("invalid option");
2713 exit(1);
2714 }
2715 if (!strcmp(popt->name, r + 1))
2716 break;
2717 popt++;
2718 }
2719 if (popt->flags & HAS_ARG) {
2720 if (optind >= argc) {
2721 error_report("requires an argument");
2722 exit(1);
2723 }
2724 optarg = argv[optind++];
2725 loc_set_cmdline(argv, optind - 2, 2);
2726 } else {
2727 optarg = NULL;
2728 }
2729
2730 *poptarg = optarg;
2731 *poptind = optind;
2732
2733 return popt;
2734 }
2735
2736 static MachineClass *select_machine(void)
2737 {
2738 MachineClass *machine_class = find_default_machine();
2739 const char *optarg;
2740 QemuOpts *opts;
2741 Location loc;
2742
2743 loc_push_none(&loc);
2744
2745 opts = qemu_get_machine_opts();
2746 qemu_opts_loc_restore(opts);
2747
2748 optarg = qemu_opt_get(opts, "type");
2749 if (optarg) {
2750 machine_class = machine_parse(optarg);
2751 }
2752
2753 if (!machine_class) {
2754 error_report("No machine specified, and there is no default");
2755 error_printf("Use -machine help to list supported machines\n");
2756 exit(1);
2757 }
2758
2759 loc_pop(&loc);
2760 return machine_class;
2761 }
2762
2763 static int machine_set_property(void *opaque,
2764 const char *name, const char *value,
2765 Error **errp)
2766 {
2767 Object *obj = OBJECT(opaque);
2768 Error *local_err = NULL;
2769 char *p, *qom_name;
2770
2771 if (strcmp(name, "type") == 0) {
2772 return 0;
2773 }
2774
2775 qom_name = g_strdup(name);
2776 for (p = qom_name; *p; p++) {
2777 if (*p == '_') {
2778 *p = '-';
2779 }
2780 }
2781
2782 object_property_parse(obj, value, qom_name, &local_err);
2783 g_free(qom_name);
2784
2785 if (local_err) {
2786 error_report_err(local_err);
2787 return -1;
2788 }
2789
2790 return 0;
2791 }
2792
2793
2794 /*
2795 * Initial object creation happens before all other
2796 * QEMU data types are created. The majority of objects
2797 * can be created at this point. The rng-egd object
2798 * cannot be created here, as it depends on the chardev
2799 * already existing.
2800 */
2801 static bool object_create_initial(const char *type)
2802 {
2803 if (g_str_equal(type, "rng-egd")) {
2804 return false;
2805 }
2806
2807 /*
2808 * return false for concrete netfilters since
2809 * they depend on netdevs already existing
2810 */
2811 if (g_str_equal(type, "filter-buffer") ||
2812 g_str_equal(type, "filter-dump") ||
2813 g_str_equal(type, "filter-mirror") ||
2814 g_str_equal(type, "filter-redirector") ||
2815 g_str_equal(type, "colo-compare") ||
2816 g_str_equal(type, "filter-rewriter") ||
2817 g_str_equal(type, "filter-replay")) {
2818 return false;
2819 }
2820
2821 /* Memory allocation by backends needs to be done
2822 * after configure_accelerator() (due to the tcg_enabled()
2823 * checks at memory_region_init_*()).
2824 *
2825 * Also, allocation of large amounts of memory may delay
2826 * chardev initialization for too long, and trigger timeouts
2827 * on software that waits for a monitor socket to be created
2828 * (e.g. libvirt).
2829 */
2830 if (g_str_has_prefix(type, "memory-backend-")) {
2831 return false;
2832 }
2833
2834 return true;
2835 }
2836
2837
2838 /*
2839 * The remainder of object creation happens after the
2840 * creation of chardev, fsdev, net clients and device data types.
2841 */
2842 static bool object_create_delayed(const char *type)
2843 {
2844 return !object_create_initial(type);
2845 }
2846
2847
2848 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2849 MachineClass *mc)
2850 {
2851 uint64_t sz;
2852 const char *mem_str;
2853 const char *maxmem_str, *slots_str;
2854 const ram_addr_t default_ram_size = mc->default_ram_size;
2855 QemuOpts *opts = qemu_find_opts_singleton("memory");
2856 Location loc;
2857
2858 loc_push_none(&loc);
2859 qemu_opts_loc_restore(opts);
2860
2861 sz = 0;
2862 mem_str = qemu_opt_get(opts, "size");
2863 if (mem_str) {
2864 if (!*mem_str) {
2865 error_report("missing 'size' option value");
2866 exit(EXIT_FAILURE);
2867 }
2868
2869 sz = qemu_opt_get_size(opts, "size", ram_size);
2870
2871 /* Fix up legacy suffix-less format */
2872 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2873 uint64_t overflow_check = sz;
2874
2875 sz <<= 20;
2876 if ((sz >> 20) != overflow_check) {
2877 error_report("too large 'size' option value");
2878 exit(EXIT_FAILURE);
2879 }
2880 }
2881 }
2882
2883 /* backward compatibility behaviour for case "-m 0" */
2884 if (sz == 0) {
2885 sz = default_ram_size;
2886 }
2887
2888 sz = QEMU_ALIGN_UP(sz, 8192);
2889 ram_size = sz;
2890 if (ram_size != sz) {
2891 error_report("ram size too large");
2892 exit(EXIT_FAILURE);
2893 }
2894
2895 /* store value for the future use */
2896 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2897 *maxram_size = ram_size;
2898
2899 maxmem_str = qemu_opt_get(opts, "maxmem");
2900 slots_str = qemu_opt_get(opts, "slots");
2901 if (maxmem_str && slots_str) {
2902 uint64_t slots;
2903
2904 sz = qemu_opt_get_size(opts, "maxmem", 0);
2905 slots = qemu_opt_get_number(opts, "slots", 0);
2906 if (sz < ram_size) {
2907 error_report("invalid value of -m option maxmem: "
2908 "maximum memory size (0x%" PRIx64 ") must be at least "
2909 "the initial memory size (0x" RAM_ADDR_FMT ")",
2910 sz, ram_size);
2911 exit(EXIT_FAILURE);
2912 } else if (sz > ram_size) {
2913 if (!slots) {
2914 error_report("invalid value of -m option: maxmem was "
2915 "specified, but no hotplug slots were specified");
2916 exit(EXIT_FAILURE);
2917 }
2918 } else if (slots) {
2919 error_report("invalid value of -m option maxmem: "
2920 "memory slots were specified but maximum memory size "
2921 "(0x%" PRIx64 ") is equal to the initial memory size "
2922 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2923 exit(EXIT_FAILURE);
2924 }
2925
2926 *maxram_size = sz;
2927 *ram_slots = slots;
2928 } else if ((!maxmem_str && slots_str) ||
2929 (maxmem_str && !slots_str)) {
2930 error_report("invalid -m option value: missing "
2931 "'%s' option", slots_str ? "maxmem" : "slots");
2932 exit(EXIT_FAILURE);
2933 }
2934
2935 loc_pop(&loc);
2936 }
2937
2938 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2939 {
2940 GlobalProperty *g;
2941
2942 g = g_malloc0(sizeof(*g));
2943 g->driver = qemu_opt_get(opts, "driver");
2944 g->property = qemu_opt_get(opts, "property");
2945 g->value = qemu_opt_get(opts, "value");
2946 g->user_provided = true;
2947 g->errp = &error_fatal;
2948 qdev_prop_register_global(g);
2949 return 0;
2950 }
2951
2952 static int qemu_read_default_config_file(void)
2953 {
2954 int ret;
2955
2956 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2957 if (ret < 0 && ret != -ENOENT) {
2958 return ret;
2959 }
2960
2961 return 0;
2962 }
2963
2964 int main(int argc, char **argv, char **envp)
2965 {
2966 int i;
2967 int snapshot, linux_boot;
2968 const char *initrd_filename;
2969 const char *kernel_filename, *kernel_cmdline;
2970 const char *boot_order = NULL;
2971 const char *boot_once = NULL;
2972 DisplayState *ds;
2973 int cyls, heads, secs, translation;
2974 QemuOpts *opts, *machine_opts;
2975 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
2976 QemuOptsList *olist;
2977 int optind;
2978 const char *optarg;
2979 const char *loadvm = NULL;
2980 MachineClass *machine_class;
2981 const char *cpu_model;
2982 const char *vga_model = NULL;
2983 const char *qtest_chrdev = NULL;
2984 const char *qtest_log = NULL;
2985 const char *pid_file = NULL;
2986 const char *incoming = NULL;
2987 bool defconfig = true;
2988 bool userconfig = true;
2989 bool nographic = false;
2990 DisplayType display_type = DT_DEFAULT;
2991 int display_remote = 0;
2992 const char *log_mask = NULL;
2993 const char *log_file = NULL;
2994 char *trace_file = NULL;
2995 ram_addr_t maxram_size;
2996 uint64_t ram_slots = 0;
2997 FILE *vmstate_dump_file = NULL;
2998 Error *main_loop_err = NULL;
2999 Error *err = NULL;
3000 bool list_data_dirs = false;
3001 typedef struct BlockdevOptions_queue {
3002 BlockdevOptions *bdo;
3003 Location loc;
3004 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3005 } BlockdevOptions_queue;
3006 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3007 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3008
3009 module_call_init(MODULE_INIT_TRACE);
3010
3011 qemu_init_cpu_list();
3012 qemu_init_cpu_loop();
3013 qemu_mutex_lock_iothread();
3014
3015 atexit(qemu_run_exit_notifiers);
3016 error_set_progname(argv[0]);
3017 qemu_init_exec_dir(argv[0]);
3018
3019 module_call_init(MODULE_INIT_QOM);
3020 monitor_init_qmp_commands();
3021
3022 qemu_add_opts(&qemu_drive_opts);
3023 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3024 qemu_add_drive_opts(&qemu_common_drive_opts);
3025 qemu_add_drive_opts(&qemu_drive_opts);
3026 qemu_add_drive_opts(&bdrv_runtime_opts);
3027 qemu_add_opts(&qemu_chardev_opts);
3028 qemu_add_opts(&qemu_device_opts);
3029 qemu_add_opts(&qemu_netdev_opts);
3030 qemu_add_opts(&qemu_net_opts);
3031 qemu_add_opts(&qemu_rtc_opts);
3032 qemu_add_opts(&qemu_global_opts);
3033 qemu_add_opts(&qemu_mon_opts);
3034 qemu_add_opts(&qemu_trace_opts);
3035 qemu_add_opts(&qemu_option_rom_opts);
3036 qemu_add_opts(&qemu_machine_opts);
3037 qemu_add_opts(&qemu_accel_opts);
3038 qemu_add_opts(&qemu_mem_opts);
3039 qemu_add_opts(&qemu_smp_opts);
3040 qemu_add_opts(&qemu_boot_opts);
3041 qemu_add_opts(&qemu_sandbox_opts);
3042 qemu_add_opts(&qemu_add_fd_opts);
3043 qemu_add_opts(&qemu_object_opts);
3044 qemu_add_opts(&qemu_tpmdev_opts);
3045 qemu_add_opts(&qemu_realtime_opts);
3046 qemu_add_opts(&qemu_msg_opts);
3047 qemu_add_opts(&qemu_name_opts);
3048 qemu_add_opts(&qemu_numa_opts);
3049 qemu_add_opts(&qemu_icount_opts);
3050 qemu_add_opts(&qemu_semihosting_config_opts);
3051 qemu_add_opts(&qemu_fw_cfg_opts);
3052 module_call_init(MODULE_INIT_OPTS);
3053
3054 runstate_init();
3055
3056 if (qcrypto_init(&err) < 0) {
3057 error_reportf_err(err, "cannot initialize crypto: ");
3058 exit(1);
3059 }
3060 rtc_clock = QEMU_CLOCK_HOST;
3061
3062 QLIST_INIT (&vm_change_state_head);
3063 os_setup_early_signal_handling();
3064
3065 cpu_model = NULL;
3066 snapshot = 0;
3067 cyls = heads = secs = 0;
3068 translation = BIOS_ATA_TRANSLATION_AUTO;
3069
3070 nb_nics = 0;
3071
3072 bdrv_init_with_whitelist();
3073
3074 autostart = 1;
3075
3076 /* first pass of option parsing */
3077 optind = 1;
3078 while (optind < argc) {
3079 if (argv[optind][0] != '-') {
3080 /* disk image */
3081 optind++;
3082 } else {
3083 const QEMUOption *popt;
3084
3085 popt = lookup_opt(argc, argv, &optarg, &optind);
3086 switch (popt->index) {
3087 case QEMU_OPTION_nodefconfig:
3088 defconfig = false;
3089 break;
3090 case QEMU_OPTION_nouserconfig:
3091 userconfig = false;
3092 break;
3093 }
3094 }
3095 }
3096
3097 if (defconfig && userconfig) {
3098 if (qemu_read_default_config_file() < 0) {
3099 exit(1);
3100 }
3101 }
3102
3103 /* second pass of option parsing */
3104 optind = 1;
3105 for(;;) {
3106 if (optind >= argc)
3107 break;
3108 if (argv[optind][0] != '-') {
3109 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3110 } else {
3111 const QEMUOption *popt;
3112
3113 popt = lookup_opt(argc, argv, &optarg, &optind);
3114 if (!(popt->arch_mask & arch_type)) {
3115 error_report("Option not supported for this target");
3116 exit(1);
3117 }
3118 switch(popt->index) {
3119 case QEMU_OPTION_no_kvm_irqchip: {
3120 olist = qemu_find_opts("machine");
3121 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3122 break;
3123 }
3124 case QEMU_OPTION_cpu:
3125 /* hw initialization will check this */
3126 cpu_model = optarg;
3127 break;
3128 case QEMU_OPTION_hda:
3129 {
3130 char buf[256];
3131 if (cyls == 0)
3132 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3133 else
3134 snprintf(buf, sizeof(buf),
3135 "%s,cyls=%d,heads=%d,secs=%d%s",
3136 HD_OPTS , cyls, heads, secs,
3137 translation == BIOS_ATA_TRANSLATION_LBA ?
3138 ",trans=lba" :
3139 translation == BIOS_ATA_TRANSLATION_NONE ?
3140 ",trans=none" : "");
3141 drive_add(IF_DEFAULT, 0, optarg, buf);
3142 break;
3143 }
3144 case QEMU_OPTION_hdb:
3145 case QEMU_OPTION_hdc:
3146 case QEMU_OPTION_hdd:
3147 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3148 HD_OPTS);
3149 break;
3150 case QEMU_OPTION_blockdev:
3151 {
3152 Visitor *v;
3153 BlockdevOptions_queue *bdo;
3154
3155 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3156 if (!v) {
3157 error_report_err(err);
3158 exit(1);
3159 }
3160
3161 bdo = g_new(BlockdevOptions_queue, 1);
3162 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3163 &error_fatal);
3164 visit_free(v);
3165 loc_save(&bdo->loc);
3166 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3167 break;
3168 }
3169 case QEMU_OPTION_drive:
3170 if (drive_def(optarg) == NULL) {
3171 exit(1);
3172 }
3173 break;
3174 case QEMU_OPTION_set:
3175 if (qemu_set_option(optarg) != 0)
3176 exit(1);
3177 break;
3178 case QEMU_OPTION_global:
3179 if (qemu_global_option(optarg) != 0)
3180 exit(1);
3181 break;
3182 case QEMU_OPTION_mtdblock:
3183 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3184 break;
3185 case QEMU_OPTION_sd:
3186 drive_add(IF_SD, -1, optarg, SD_OPTS);
3187 break;
3188 case QEMU_OPTION_pflash:
3189 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3190 break;
3191 case QEMU_OPTION_snapshot:
3192 snapshot = 1;
3193 break;
3194 case QEMU_OPTION_hdachs:
3195 {
3196 const char *p;
3197 p = optarg;
3198 cyls = strtol(p, (char **)&p, 0);
3199 if (cyls < 1 || cyls > 16383)
3200 goto chs_fail;
3201 if (*p != ',')
3202 goto chs_fail;
3203 p++;
3204 heads = strtol(p, (char **)&p, 0);
3205 if (heads < 1 || heads > 16)
3206 goto chs_fail;
3207 if (*p != ',')
3208 goto chs_fail;
3209 p++;
3210 secs = strtol(p, (char **)&p, 0);
3211 if (secs < 1 || secs > 63)
3212 goto chs_fail;
3213 if (*p == ',') {
3214 p++;
3215 if (!strcmp(p, "large")) {
3216 translation = BIOS_ATA_TRANSLATION_LARGE;
3217 } else if (!strcmp(p, "rechs")) {
3218 translation = BIOS_ATA_TRANSLATION_RECHS;
3219 } else if (!strcmp(p, "none")) {
3220 translation = BIOS_ATA_TRANSLATION_NONE;
3221 } else if (!strcmp(p, "lba")) {
3222 translation = BIOS_ATA_TRANSLATION_LBA;
3223 } else if (!strcmp(p, "auto")) {
3224 translation = BIOS_ATA_TRANSLATION_AUTO;
3225 } else {
3226 goto chs_fail;
3227 }
3228 } else if (*p != '\0') {
3229 chs_fail:
3230 error_report("invalid physical CHS format");
3231 exit(1);
3232 }
3233 if (hda_opts != NULL) {
3234 qemu_opt_set_number(hda_opts, "cyls", cyls,
3235 &error_abort);
3236 qemu_opt_set_number(hda_opts, "heads", heads,
3237 &error_abort);
3238 qemu_opt_set_number(hda_opts, "secs", secs,
3239 &error_abort);
3240 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3241 qemu_opt_set(hda_opts, "trans", "large",
3242 &error_abort);
3243 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3244 qemu_opt_set(hda_opts, "trans", "rechs",
3245 &error_abort);
3246 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3247 qemu_opt_set(hda_opts, "trans", "lba",
3248 &error_abort);
3249 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3250 qemu_opt_set(hda_opts, "trans", "none",
3251 &error_abort);
3252 }
3253 }
3254 }
3255 error_report("'-hdachs' is deprecated, please use '-device"
3256 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3257 break;
3258 case QEMU_OPTION_numa:
3259 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3260 optarg, true);
3261 if (!opts) {
3262 exit(1);
3263 }
3264 break;
3265 case QEMU_OPTION_display:
3266 display_type = select_display(optarg);
3267 break;
3268 case QEMU_OPTION_nographic:
3269 olist = qemu_find_opts("machine");
3270 qemu_opts_parse_noisily(olist, "graphics=off", false);
3271 nographic = true;
3272 display_type = DT_NONE;
3273 break;
3274 case QEMU_OPTION_curses:
3275 #ifdef CONFIG_CURSES
3276 display_type = DT_CURSES;
3277 #else
3278 error_report("curses support is disabled");
3279 exit(1);
3280 #endif
3281 break;
3282 case QEMU_OPTION_portrait:
3283 graphic_rotate = 90;
3284 break;
3285 case QEMU_OPTION_rotate:
3286 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3287 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3288 graphic_rotate != 180 && graphic_rotate != 270) {
3289 error_report("only 90, 180, 270 deg rotation is available");
3290 exit(1);
3291 }
3292 break;
3293 case QEMU_OPTION_kernel:
3294 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3295 &error_abort);
3296 break;
3297 case QEMU_OPTION_initrd:
3298 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3299 &error_abort);
3300 break;
3301 case QEMU_OPTION_append:
3302 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3303 &error_abort);
3304 break;
3305 case QEMU_OPTION_dtb:
3306 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3307 &error_abort);
3308 break;
3309 case QEMU_OPTION_cdrom:
3310 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3311 break;
3312 case QEMU_OPTION_boot:
3313 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3314 optarg, true);
3315 if (!opts) {
3316 exit(1);
3317 }
3318 break;
3319 case QEMU_OPTION_fda:
3320 case QEMU_OPTION_fdb:
3321 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3322 optarg, FD_OPTS);
3323 break;
3324 case QEMU_OPTION_no_fd_bootchk:
3325 fd_bootchk = 0;
3326 break;
3327 case QEMU_OPTION_netdev:
3328 default_net = 0;
3329 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3330 exit(1);
3331 }
3332 break;
3333 case QEMU_OPTION_net:
3334 default_net = 0;
3335 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3336 exit(1);
3337 }
3338 break;
3339 #ifdef CONFIG_LIBISCSI
3340 case QEMU_OPTION_iscsi:
3341 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3342 optarg, false);
3343 if (!opts) {
3344 exit(1);
3345 }
3346 break;
3347 #endif
3348 #ifdef CONFIG_SLIRP
3349 case QEMU_OPTION_tftp:
3350 error_report("The -tftp option is deprecated. "
3351 "Please use '-netdev user,tftp=...' instead.");
3352 legacy_tftp_prefix = optarg;
3353 break;
3354 case QEMU_OPTION_bootp:
3355 error_report("The -bootp option is deprecated. "
3356 "Please use '-netdev user,bootfile=...' instead.");
3357 legacy_bootp_filename = optarg;
3358 break;
3359 case QEMU_OPTION_redir:
3360 error_report("The -redir option is deprecated. "
3361 "Please use '-netdev user,hostfwd=...' instead.");
3362 if (net_slirp_redir(optarg) < 0)
3363 exit(1);
3364 break;
3365 #endif
3366 case QEMU_OPTION_bt:
3367 add_device_config(DEV_BT, optarg);
3368 break;
3369 case QEMU_OPTION_audio_help:
3370 AUD_help ();
3371 exit (0);
3372 break;
3373 case QEMU_OPTION_soundhw:
3374 select_soundhw (optarg);
3375 break;
3376 case QEMU_OPTION_h:
3377 help(0);
3378 break;
3379 case QEMU_OPTION_version:
3380 version();
3381 exit(0);
3382 break;
3383 case QEMU_OPTION_m:
3384 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3385 optarg, true);
3386 if (!opts) {
3387 exit(EXIT_FAILURE);
3388 }
3389 break;
3390 #ifdef CONFIG_TPM
3391 case QEMU_OPTION_tpmdev:
3392 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3393 exit(1);
3394 }
3395 break;
3396 #endif
3397 case QEMU_OPTION_mempath:
3398 mem_path = optarg;
3399 break;
3400 case QEMU_OPTION_mem_prealloc:
3401 mem_prealloc = 1;
3402 break;
3403 case QEMU_OPTION_d:
3404 log_mask = optarg;
3405 break;
3406 case QEMU_OPTION_D:
3407 log_file = optarg;
3408 break;
3409 case QEMU_OPTION_DFILTER:
3410 qemu_set_dfilter_ranges(optarg, &error_fatal);
3411 break;
3412 case QEMU_OPTION_s:
3413 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3414 break;
3415 case QEMU_OPTION_gdb:
3416 add_device_config(DEV_GDB, optarg);
3417 break;
3418 case QEMU_OPTION_L:
3419 if (is_help_option(optarg)) {
3420 list_data_dirs = true;
3421 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3422 data_dir[data_dir_idx++] = optarg;
3423 }
3424 break;
3425 case QEMU_OPTION_bios:
3426 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3427 &error_abort);
3428 break;
3429 case QEMU_OPTION_singlestep:
3430 singlestep = 1;
3431 break;
3432 case QEMU_OPTION_S:
3433 autostart = 0;
3434 break;
3435 case QEMU_OPTION_k:
3436 keyboard_layout = optarg;
3437 break;
3438 case QEMU_OPTION_localtime:
3439 rtc_utc = 0;
3440 break;
3441 case QEMU_OPTION_vga:
3442 vga_model = optarg;
3443 default_vga = 0;
3444 break;
3445 case QEMU_OPTION_g:
3446 {
3447 const char *p;
3448 int w, h, depth;
3449 p = optarg;
3450 w = strtol(p, (char **)&p, 10);
3451 if (w <= 0) {
3452 graphic_error:
3453 error_report("invalid resolution or depth");
3454 exit(1);
3455 }
3456 if (*p != 'x')
3457 goto graphic_error;
3458 p++;
3459 h = strtol(p, (char **)&p, 10);
3460 if (h <= 0)
3461 goto graphic_error;
3462 if (*p == 'x') {
3463 p++;
3464 depth = strtol(p, (char **)&p, 10);
3465 if (depth != 8 && depth != 15 && depth != 16 &&
3466 depth != 24 && depth != 32)
3467 goto graphic_error;
3468 } else if (*p == '\0') {
3469 depth = graphic_depth;
3470 } else {
3471 goto graphic_error;
3472 }
3473
3474 graphic_width = w;
3475 graphic_height = h;
3476 graphic_depth = depth;
3477 }
3478 break;
3479 case QEMU_OPTION_echr:
3480 {
3481 char *r;
3482 term_escape_char = strtol(optarg, &r, 0);
3483 if (r == optarg)
3484 printf("Bad argument to echr\n");
3485 break;
3486 }
3487 case QEMU_OPTION_monitor:
3488 default_monitor = 0;
3489 if (strncmp(optarg, "none", 4)) {
3490 monitor_parse(optarg, "readline", false);
3491 }
3492 break;
3493 case QEMU_OPTION_qmp:
3494 monitor_parse(optarg, "control", false);
3495 default_monitor = 0;
3496 break;
3497 case QEMU_OPTION_qmp_pretty:
3498 monitor_parse(optarg, "control", true);
3499 default_monitor = 0;
3500 break;
3501 case QEMU_OPTION_mon:
3502 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3503 true);
3504 if (!opts) {
3505 exit(1);
3506 }
3507 default_monitor = 0;
3508 break;
3509 case QEMU_OPTION_chardev:
3510 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3511 optarg, true);
3512 if (!opts) {
3513 exit(1);
3514 }
3515 break;
3516 case QEMU_OPTION_fsdev:
3517 olist = qemu_find_opts("fsdev");
3518 if (!olist) {
3519 error_report("fsdev support is disabled");
3520 exit(1);
3521 }
3522 opts = qemu_opts_parse_noisily(olist, optarg, true);
3523 if (!opts) {
3524 exit(1);
3525 }
3526 break;
3527 case QEMU_OPTION_virtfs: {
3528 QemuOpts *fsdev;
3529 QemuOpts *device;
3530 const char *writeout, *sock_fd, *socket;
3531
3532 olist = qemu_find_opts("virtfs");
3533 if (!olist) {
3534 error_report("virtfs support is disabled");
3535 exit(1);
3536 }
3537 opts = qemu_opts_parse_noisily(olist, optarg, true);
3538 if (!opts) {
3539 exit(1);
3540 }
3541
3542 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3543 qemu_opt_get(opts, "mount_tag") == NULL) {
3544 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3545 exit(1);
3546 }
3547 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3548 qemu_opts_id(opts) ?:
3549 qemu_opt_get(opts, "mount_tag"),
3550 1, NULL);
3551 if (!fsdev) {
3552 error_report("duplicate or invalid fsdev id: %s",
3553 qemu_opt_get(opts, "mount_tag"));
3554 exit(1);
3555 }
3556
3557 writeout = qemu_opt_get(opts, "writeout");
3558 if (writeout) {
3559 #ifdef CONFIG_SYNC_FILE_RANGE
3560 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3561 #else
3562 error_report("writeout=immediate not supported "
3563 "on this platform");
3564 exit(1);
3565 #endif
3566 }
3567 qemu_opt_set(fsdev, "fsdriver",
3568 qemu_opt_get(opts, "fsdriver"), &error_abort);
3569 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3570 &error_abort);
3571 qemu_opt_set(fsdev, "security_model",
3572 qemu_opt_get(opts, "security_model"),
3573 &error_abort);
3574 socket = qemu_opt_get(opts, "socket");
3575 if (socket) {
3576 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3577 }
3578 sock_fd = qemu_opt_get(opts, "sock_fd");
3579 if (sock_fd) {
3580 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3581 }
3582
3583 qemu_opt_set_bool(fsdev, "readonly",
3584 qemu_opt_get_bool(opts, "readonly", 0),
3585 &error_abort);
3586 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3587 &error_abort);
3588 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3589 qemu_opt_set(device, "fsdev",
3590 qemu_opts_id(fsdev), &error_abort);
3591 qemu_opt_set(device, "mount_tag",
3592 qemu_opt_get(opts, "mount_tag"), &error_abort);
3593 break;
3594 }
3595 case QEMU_OPTION_virtfs_synth: {
3596 QemuOpts *fsdev;
3597 QemuOpts *device;
3598
3599 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3600 1, NULL);
3601 if (!fsdev) {
3602 error_report("duplicate option: %s", "virtfs_synth");
3603 exit(1);
3604 }
3605 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3606
3607 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3608 &error_abort);
3609 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3610 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3611 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3612 break;
3613 }
3614 case QEMU_OPTION_serial:
3615 add_device_config(DEV_SERIAL, optarg);
3616 default_serial = 0;
3617 if (strncmp(optarg, "mon:", 4) == 0) {
3618 default_monitor = 0;
3619 }
3620 break;
3621 case QEMU_OPTION_watchdog:
3622 if (watchdog) {
3623 error_report("only one watchdog option may be given");
3624 return 1;
3625 }
3626 watchdog = optarg;
3627 break;
3628 case QEMU_OPTION_watchdog_action:
3629 if (select_watchdog_action(optarg) == -1) {
3630 error_report("unknown -watchdog-action parameter");
3631 exit(1);
3632 }
3633 break;
3634 case QEMU_OPTION_virtiocon:
3635 add_device_config(DEV_VIRTCON, optarg);
3636 default_virtcon = 0;
3637 if (strncmp(optarg, "mon:", 4) == 0) {
3638 default_monitor = 0;
3639 }
3640 break;
3641 case QEMU_OPTION_parallel:
3642 add_device_config(DEV_PARALLEL, optarg);
3643 default_parallel = 0;
3644 if (strncmp(optarg, "mon:", 4) == 0) {
3645 default_monitor = 0;
3646 }
3647 break;
3648 case QEMU_OPTION_debugcon:
3649 add_device_config(DEV_DEBUGCON, optarg);
3650 break;
3651 case QEMU_OPTION_loadvm:
3652 loadvm = optarg;
3653 break;
3654 case QEMU_OPTION_full_screen:
3655 full_screen = 1;
3656 break;
3657 case QEMU_OPTION_no_frame:
3658 no_frame = 1;
3659 break;
3660 case QEMU_OPTION_alt_grab:
3661 alt_grab = 1;
3662 break;
3663 case QEMU_OPTION_ctrl_grab:
3664 ctrl_grab = 1;
3665 break;
3666 case QEMU_OPTION_no_quit:
3667 no_quit = 1;
3668 break;
3669 case QEMU_OPTION_sdl:
3670 #ifdef CONFIG_SDL
3671 display_type = DT_SDL;
3672 break;
3673 #else
3674 error_report("SDL support is disabled");
3675 exit(1);
3676 #endif
3677 case QEMU_OPTION_pidfile:
3678 pid_file = optarg;
3679 break;
3680 case QEMU_OPTION_win2k_hack:
3681 win2k_install_hack = 1;
3682 break;
3683 case QEMU_OPTION_rtc_td_hack: {
3684 static GlobalProperty slew_lost_ticks = {
3685 .driver = "mc146818rtc",
3686 .property = "lost_tick_policy",
3687 .value = "slew",
3688 };
3689
3690 qdev_prop_register_global(&slew_lost_ticks);
3691 break;
3692 }
3693 case QEMU_OPTION_acpitable:
3694 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3695 optarg, true);
3696 if (!opts) {
3697 exit(1);
3698 }
3699 acpi_table_add(opts, &error_fatal);
3700 break;
3701 case QEMU_OPTION_smbios:
3702 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3703 optarg, false);
3704 if (!opts) {
3705 exit(1);
3706 }
3707 smbios_entry_add(opts, &error_fatal);
3708 break;
3709 case QEMU_OPTION_fwcfg:
3710 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3711 optarg, true);
3712 if (opts == NULL) {
3713 exit(1);
3714 }
3715 break;
3716 case QEMU_OPTION_enable_kvm:
3717 olist = qemu_find_opts("machine");
3718 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3719 break;
3720 case QEMU_OPTION_enable_hax:
3721 olist = qemu_find_opts("machine");
3722 qemu_opts_parse_noisily(olist, "accel=hax", false);
3723 break;
3724 case QEMU_OPTION_M:
3725 case QEMU_OPTION_machine:
3726 olist = qemu_find_opts("machine");
3727 opts = qemu_opts_parse_noisily(olist, optarg, true);
3728 if (!opts) {
3729 exit(1);
3730 }
3731 break;
3732 case QEMU_OPTION_no_kvm:
3733 olist = qemu_find_opts("machine");
3734 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3735 break;
3736 case QEMU_OPTION_no_kvm_pit: {
3737 error_report("warning: ignoring deprecated option");
3738 break;
3739 }
3740 case QEMU_OPTION_no_kvm_pit_reinjection: {
3741 static GlobalProperty kvm_pit_lost_tick_policy = {
3742 .driver = "kvm-pit",
3743 .property = "lost_tick_policy",
3744 .value = "discard",
3745 };
3746
3747 error_report("warning: deprecated, replaced by "
3748 "-global kvm-pit.lost_tick_policy=discard");
3749 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3750 break;
3751 }
3752 case QEMU_OPTION_accel: {
3753 QemuOpts *accel_opts;
3754
3755 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3756 optarg, true);
3757 optarg = qemu_opt_get(accel_opts, "accel");
3758 if (!optarg || is_help_option(optarg)) {
3759 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3760 exit(1);
3761 }
3762 accel_opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3763 false, &error_abort);
3764 qemu_opt_set(accel_opts, "accel", optarg, &error_abort);
3765 break;
3766 }
3767 case QEMU_OPTION_usb:
3768 olist = qemu_find_opts("machine");
3769 qemu_opts_parse_noisily(olist, "usb=on", false);
3770 break;
3771 case QEMU_OPTION_usbdevice:
3772 olist = qemu_find_opts("machine");
3773 qemu_opts_parse_noisily(olist, "usb=on", false);
3774 add_device_config(DEV_USB, optarg);
3775 break;
3776 case QEMU_OPTION_device:
3777 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3778 optarg, true)) {
3779 exit(1);
3780 }
3781 break;
3782 case QEMU_OPTION_smp:
3783 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3784 optarg, true)) {
3785 exit(1);
3786 }
3787 break;
3788 case QEMU_OPTION_vnc:
3789 vnc_parse(optarg, &error_fatal);
3790 break;
3791 case QEMU_OPTION_no_acpi:
3792 acpi_enabled = 0;
3793 break;
3794 case QEMU_OPTION_no_hpet:
3795 no_hpet = 1;
3796 break;
3797 case QEMU_OPTION_balloon:
3798 if (balloon_parse(optarg) < 0) {
3799 error_report("unknown -balloon argument %s", optarg);
3800 exit(1);
3801 }
3802 break;
3803 case QEMU_OPTION_no_reboot:
3804 no_reboot = 1;
3805 break;
3806 case QEMU_OPTION_no_shutdown:
3807 no_shutdown = 1;
3808 break;
3809 case QEMU_OPTION_show_cursor:
3810 cursor_hide = 0;
3811 break;
3812 case QEMU_OPTION_uuid:
3813 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3814 error_report("failed to parse UUID string: wrong format");
3815 exit(1);
3816 }
3817 qemu_uuid_set = true;
3818 break;
3819 case QEMU_OPTION_option_rom:
3820 if (nb_option_roms >= MAX_OPTION_ROMS) {
3821 error_report("too many option ROMs");
3822 exit(1);
3823 }
3824 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3825 optarg, true);
3826 if (!opts) {
3827 exit(1);
3828 }
3829 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3830 option_rom[nb_option_roms].bootindex =
3831 qemu_opt_get_number(opts, "bootindex", -1);
3832 if (!option_rom[nb_option_roms].name) {
3833 error_report("Option ROM file is not specified");
3834 exit(1);
3835 }
3836 nb_option_roms++;
3837 break;
3838 case QEMU_OPTION_semihosting:
3839 semihosting.enabled = true;
3840 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3841 break;
3842 case QEMU_OPTION_semihosting_config:
3843 semihosting.enabled = true;
3844 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3845 optarg, false);
3846 if (opts != NULL) {
3847 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3848 true);
3849 const char *target = qemu_opt_get(opts, "target");
3850 if (target != NULL) {
3851 if (strcmp("native", target) == 0) {
3852 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3853 } else if (strcmp("gdb", target) == 0) {
3854 semihosting.target = SEMIHOSTING_TARGET_GDB;
3855 } else if (strcmp("auto", target) == 0) {
3856 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3857 } else {
3858 error_report("unsupported semihosting-config %s",
3859 optarg);
3860 exit(1);
3861 }
3862 } else {
3863 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3864 }
3865 /* Set semihosting argument count and vector */
3866 qemu_opt_foreach(opts, add_semihosting_arg,
3867 &semihosting, NULL);
3868 } else {
3869 error_report("unsupported semihosting-config %s", optarg);
3870 exit(1);
3871 }
3872 break;
3873 case QEMU_OPTION_tdf:
3874 error_report("warning: ignoring deprecated option");
3875 break;
3876 case QEMU_OPTION_name:
3877 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3878 optarg, true);
3879 if (!opts) {
3880 exit(1);
3881 }
3882 break;
3883 case QEMU_OPTION_prom_env:
3884 if (nb_prom_envs >= MAX_PROM_ENVS) {
3885 error_report("too many prom variables");
3886 exit(1);
3887 }
3888 prom_envs[nb_prom_envs] = optarg;
3889 nb_prom_envs++;
3890 break;
3891 case QEMU_OPTION_old_param:
3892 old_param = 1;
3893 break;
3894 case QEMU_OPTION_clock:
3895 /* Clock options no longer exist. Keep this option for
3896 * backward compatibility.
3897 */
3898 break;
3899 case QEMU_OPTION_startdate:
3900 configure_rtc_date_offset(optarg, 1);
3901 break;
3902 case QEMU_OPTION_rtc:
3903 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3904 false);
3905 if (!opts) {
3906 exit(1);
3907 }
3908 configure_rtc(opts);
3909 break;
3910 case QEMU_OPTION_tb_size:
3911 tcg_tb_size = strtol(optarg, NULL, 0);
3912 if (tcg_tb_size < 0) {
3913 tcg_tb_size = 0;
3914 }
3915 break;
3916 case QEMU_OPTION_icount:
3917 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3918 optarg, true);
3919 if (!icount_opts) {
3920 exit(1);
3921 }
3922 break;
3923 case QEMU_OPTION_incoming:
3924 if (!incoming) {
3925 runstate_set(RUN_STATE_INMIGRATE);
3926 }
3927 incoming = optarg;
3928 break;
3929 case QEMU_OPTION_only_migratable:
3930 only_migratable = 1;
3931 break;
3932 case QEMU_OPTION_nodefaults:
3933 has_defaults = 0;
3934 break;
3935 case QEMU_OPTION_xen_domid:
3936 if (!(xen_available())) {
3937 error_report("Option not supported for this target");
3938 exit(1);
3939 }
3940 xen_domid = atoi(optarg);
3941 break;
3942 case QEMU_OPTION_xen_create:
3943 if (!(xen_available())) {
3944 error_report("Option not supported for this target");
3945 exit(1);
3946 }
3947 xen_mode = XEN_CREATE;
3948 break;
3949 case QEMU_OPTION_xen_attach:
3950 if (!(xen_available())) {
3951 error_report("Option not supported for this target");
3952 exit(1);
3953 }
3954 xen_mode = XEN_ATTACH;
3955 break;
3956 case QEMU_OPTION_xen_domid_restrict:
3957 if (!(xen_available())) {
3958 error_report("Option not supported for this target");
3959 exit(1);
3960 }
3961 xen_domid_restrict = true;
3962 break;
3963 case QEMU_OPTION_trace:
3964 g_free(trace_file);
3965 trace_file = trace_opt_parse(optarg);
3966 break;
3967 case QEMU_OPTION_readconfig:
3968 {
3969 int ret = qemu_read_config_file(optarg);
3970 if (ret < 0) {
3971 error_report("read config %s: %s", optarg,
3972 strerror(-ret));
3973 exit(1);
3974 }
3975 break;
3976 }
3977 case QEMU_OPTION_spice:
3978 olist = qemu_find_opts("spice");
3979 if (!olist) {
3980 error_report("spice support is disabled");
3981 exit(1);
3982 }
3983 opts = qemu_opts_parse_noisily(olist, optarg, false);
3984 if (!opts) {
3985 exit(1);
3986 }
3987 display_remote++;
3988 break;
3989 case QEMU_OPTION_writeconfig:
3990 {
3991 FILE *fp;
3992 if (strcmp(optarg, "-") == 0) {
3993 fp = stdout;
3994 } else {
3995 fp = fopen(optarg, "w");
3996 if (fp == NULL) {
3997 error_report("open %s: %s", optarg,
3998 strerror(errno));
3999 exit(1);
4000 }
4001 }
4002 qemu_config_write(fp);
4003 if (fp != stdout) {
4004 fclose(fp);
4005 }
4006 break;
4007 }
4008 case QEMU_OPTION_qtest:
4009 qtest_chrdev = optarg;
4010 break;
4011 case QEMU_OPTION_qtest_log:
4012 qtest_log = optarg;
4013 break;
4014 case QEMU_OPTION_sandbox:
4015 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4016 optarg, true);
4017 if (!opts) {
4018 exit(1);
4019 }
4020 break;
4021 case QEMU_OPTION_add_fd:
4022 #ifndef _WIN32
4023 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4024 optarg, false);
4025 if (!opts) {
4026 exit(1);
4027 }
4028 #else
4029 error_report("File descriptor passing is disabled on this "
4030 "platform");
4031 exit(1);
4032 #endif
4033 break;
4034 case QEMU_OPTION_object:
4035 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4036 optarg, true);
4037 if (!opts) {
4038 exit(1);
4039 }
4040 break;
4041 case QEMU_OPTION_realtime:
4042 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4043 optarg, false);
4044 if (!opts) {
4045 exit(1);
4046 }
4047 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4048 break;
4049 case QEMU_OPTION_msg:
4050 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4051 false);
4052 if (!opts) {
4053 exit(1);
4054 }
4055 configure_msg(opts);
4056 break;
4057 case QEMU_OPTION_dump_vmstate:
4058 if (vmstate_dump_file) {
4059 error_report("only one '-dump-vmstate' "
4060 "option may be given");
4061 exit(1);
4062 }
4063 vmstate_dump_file = fopen(optarg, "w");
4064 if (vmstate_dump_file == NULL) {
4065 error_report("open %s: %s", optarg, strerror(errno));
4066 exit(1);
4067 }
4068 break;
4069 default:
4070 os_parse_cmd_args(popt->index, optarg);
4071 }
4072 }
4073 }
4074 /*
4075 * Clear error location left behind by the loop.
4076 * Best done right after the loop. Do not insert code here!
4077 */
4078 loc_set_none();
4079
4080 replay_configure(icount_opts);
4081
4082 machine_class = select_machine();
4083
4084 set_memory_options(&ram_slots, &maxram_size, machine_class);
4085
4086 os_daemonize();
4087
4088 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4089 error_report("could not acquire pid file: %s", strerror(errno));
4090 exit(1);
4091 }
4092
4093 if (qemu_init_main_loop(&main_loop_err)) {
4094 error_report_err(main_loop_err);
4095 exit(1);
4096 }
4097
4098 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4099 parse_sandbox, NULL, NULL)) {
4100 exit(1);
4101 }
4102
4103 if (qemu_opts_foreach(qemu_find_opts("name"),
4104 parse_name, NULL, NULL)) {
4105 exit(1);
4106 }
4107
4108 #ifndef _WIN32
4109 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4110 parse_add_fd, NULL, NULL)) {
4111 exit(1);
4112 }
4113
4114 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4115 cleanup_add_fd, NULL, NULL)) {
4116 exit(1);
4117 }
4118 #endif
4119
4120 current_machine = MACHINE(object_new(object_class_get_name(
4121 OBJECT_CLASS(machine_class))));
4122 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4123 exit(0);
4124 }
4125 object_property_add_child(object_get_root(), "machine",
4126 OBJECT(current_machine), &error_abort);
4127
4128 if (machine_class->minimum_page_bits) {
4129 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4130 /* This would be a board error: specifying a minimum smaller than
4131 * a target's compile-time fixed setting.
4132 */
4133 g_assert_not_reached();
4134 }
4135 }
4136
4137 cpu_exec_init_all();
4138
4139 if (machine_class->hw_version) {
4140 qemu_set_hw_version(machine_class->hw_version);
4141 }
4142
4143 if (cpu_model && is_help_option(cpu_model)) {
4144 list_cpus(stdout, &fprintf, cpu_model);
4145 exit(0);
4146 }
4147
4148 if (!trace_init_backends()) {
4149 exit(1);
4150 }
4151 trace_init_file(trace_file);
4152
4153 /* Open the logfile at this point and set the log mask if necessary.
4154 */
4155 if (log_file) {
4156 qemu_set_log_filename(log_file, &error_fatal);
4157 }
4158
4159 if (log_mask) {
4160 int mask;
4161 mask = qemu_str_to_log_mask(log_mask);
4162 if (!mask) {
4163 qemu_print_log_usage(stdout);
4164 exit(1);
4165 }
4166 qemu_set_log(mask);
4167 } else {
4168 qemu_set_log(0);
4169 }
4170
4171 /* If no data_dir is specified then try to find it relative to the
4172 executable path. */
4173 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4174 data_dir[data_dir_idx] = os_find_datadir();
4175 if (data_dir[data_dir_idx] != NULL) {
4176 data_dir_idx++;
4177 }
4178 }
4179 /* If all else fails use the install path specified when building. */
4180 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4181 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4182 }
4183
4184 /* -L help lists the data directories and exits. */
4185 if (list_data_dirs) {
4186 for (i = 0; i < data_dir_idx; i++) {
4187 printf("%s\n", data_dir[i]);
4188 }
4189 exit(0);
4190 }
4191
4192 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4193
4194 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4195 if (max_cpus > machine_class->max_cpus) {
4196 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4197 "supported by machine '%s' (%d)", max_cpus,
4198 machine_class->name, machine_class->max_cpus);
4199 exit(1);
4200 }
4201
4202 /*
4203 * Get the default machine options from the machine if it is not already
4204 * specified either by the configuration file or by the command line.
4205 */
4206 if (machine_class->default_machine_opts) {
4207 qemu_opts_set_defaults(qemu_find_opts("machine"),
4208 machine_class->default_machine_opts, 0);
4209 }
4210
4211 qemu_opts_foreach(qemu_find_opts("device"),
4212 default_driver_check, NULL, NULL);
4213 qemu_opts_foreach(qemu_find_opts("global"),
4214 default_driver_check, NULL, NULL);
4215
4216 if (!vga_model && !default_vga) {
4217 vga_interface_type = VGA_DEVICE;
4218 }
4219 if (!has_defaults || machine_class->no_serial) {
4220 default_serial = 0;
4221 }
4222 if (!has_defaults || machine_class->no_parallel) {
4223 default_parallel = 0;
4224 }
4225 if (!has_defaults || !machine_class->use_virtcon) {
4226 default_virtcon = 0;
4227 }
4228 if (!has_defaults || !machine_class->use_sclp) {
4229 default_sclp = 0;
4230 }
4231 if (!has_defaults || machine_class->no_floppy) {
4232 default_floppy = 0;
4233 }
4234 if (!has_defaults || machine_class->no_cdrom) {
4235 default_cdrom = 0;
4236 }
4237 if (!has_defaults || machine_class->no_sdcard) {
4238 default_sdcard = 0;
4239 }
4240 if (!has_defaults) {
4241 default_monitor = 0;
4242 default_net = 0;
4243 default_vga = 0;
4244 }
4245
4246 if (is_daemonized()) {
4247 /* According to documentation and historically, -nographic redirects
4248 * serial port, parallel port and monitor to stdio, which does not work
4249 * with -daemonize. We can redirect these to null instead, but since
4250 * -nographic is legacy, let's just error out.
4251 * We disallow -nographic only if all other ports are not redirected
4252 * explicitly, to not break existing legacy setups which uses
4253 * -nographic _and_ redirects all ports explicitly - this is valid
4254 * usage, -nographic is just a no-op in this case.
4255 */
4256 if (nographic
4257 && (default_parallel || default_serial
4258 || default_monitor || default_virtcon)) {
4259 error_report("-nographic cannot be used with -daemonize");
4260 exit(1);
4261 }
4262 #ifdef CONFIG_CURSES
4263 if (display_type == DT_CURSES) {
4264 error_report("curses display cannot be used with -daemonize");
4265 exit(1);
4266 }
4267 #endif
4268 }
4269
4270 if (nographic) {
4271 if (default_parallel)
4272 add_device_config(DEV_PARALLEL, "null");
4273 if (default_serial && default_monitor) {
4274 add_device_config(DEV_SERIAL, "mon:stdio");
4275 } else if (default_virtcon && default_monitor) {
4276 add_device_config(DEV_VIRTCON, "mon:stdio");
4277 } else if (default_sclp && default_monitor) {
4278 add_device_config(DEV_SCLP, "mon:stdio");
4279 } else {
4280 if (default_serial)
4281 add_device_config(DEV_SERIAL, "stdio");
4282 if (default_virtcon)
4283 add_device_config(DEV_VIRTCON, "stdio");
4284 if (default_sclp) {
4285 add_device_config(DEV_SCLP, "stdio");
4286 }
4287 if (default_monitor)
4288 monitor_parse("stdio", "readline", false);
4289 }
4290 } else {
4291 if (default_serial)
4292 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4293 if (default_parallel)
4294 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4295 if (default_monitor)
4296 monitor_parse("vc:80Cx24C", "readline", false);
4297 if (default_virtcon)
4298 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4299 if (default_sclp) {
4300 add_device_config(DEV_SCLP, "vc:80Cx24C");
4301 }
4302 }
4303
4304 #if defined(CONFIG_VNC)
4305 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4306 display_remote++;
4307 }
4308 #endif
4309 if (display_type == DT_DEFAULT && !display_remote) {
4310 #if defined(CONFIG_GTK)
4311 display_type = DT_GTK;
4312 #elif defined(CONFIG_SDL)
4313 display_type = DT_SDL;
4314 #elif defined(CONFIG_COCOA)
4315 display_type = DT_COCOA;
4316 #elif defined(CONFIG_VNC)
4317 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4318 #else
4319 display_type = DT_NONE;
4320 #endif
4321 }
4322
4323 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4324 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4325 "for SDL, ignoring option");
4326 }
4327 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4328 error_report("-no-quit is only valid for GTK and SDL, "
4329 "ignoring option");
4330 }
4331
4332 if (display_type == DT_GTK) {
4333 early_gtk_display_init(request_opengl);
4334 }
4335
4336 if (display_type == DT_SDL) {
4337 sdl_display_early_init(request_opengl);
4338 }
4339
4340 qemu_console_early_init();
4341
4342 if (request_opengl == 1 && display_opengl == 0) {
4343 #if defined(CONFIG_OPENGL)
4344 error_report("OpenGL is not supported by the display");
4345 #else
4346 error_report("OpenGL support is disabled");
4347 #endif
4348 exit(1);
4349 }
4350
4351 page_size_init();
4352 socket_init();
4353
4354 if (qemu_opts_foreach(qemu_find_opts("object"),
4355 user_creatable_add_opts_foreach,
4356 object_create_initial, NULL)) {
4357 exit(1);
4358 }
4359
4360 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4361 chardev_init_func, NULL, NULL)) {
4362 exit(1);
4363 }
4364
4365 #ifdef CONFIG_VIRTFS
4366 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4367 fsdev_init_func, NULL, NULL)) {
4368 exit(1);
4369 }
4370 #endif
4371
4372 if (qemu_opts_foreach(qemu_find_opts("device"),
4373 device_help_func, NULL, NULL)) {
4374 exit(0);
4375 }
4376
4377 machine_opts = qemu_get_machine_opts();
4378 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4379 NULL)) {
4380 object_unref(OBJECT(current_machine));
4381 exit(1);
4382 }
4383
4384 configure_accelerator(current_machine);
4385
4386 if (qtest_chrdev) {
4387 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4388 }
4389
4390 machine_opts = qemu_get_machine_opts();
4391 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4392 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4393 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4394 bios_name = qemu_opt_get(machine_opts, "firmware");
4395
4396 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4397 if (opts) {
4398 boot_order = qemu_opt_get(opts, "order");
4399 if (boot_order) {
4400 validate_bootdevices(boot_order, &error_fatal);
4401 }
4402
4403 boot_once = qemu_opt_get(opts, "once");
4404 if (boot_once) {
4405 validate_bootdevices(boot_once, &error_fatal);
4406 }
4407
4408 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4409 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4410 }
4411
4412 if (!boot_order) {
4413 boot_order = machine_class->default_boot_order;
4414 }
4415
4416 if (!kernel_cmdline) {
4417 kernel_cmdline = "";
4418 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4419 }
4420
4421 linux_boot = (kernel_filename != NULL);
4422
4423 if (!linux_boot && *kernel_cmdline != '\0') {
4424 error_report("-append only allowed with -kernel option");
4425 exit(1);
4426 }
4427
4428 if (!linux_boot && initrd_filename != NULL) {
4429 error_report("-initrd only allowed with -kernel option");
4430 exit(1);
4431 }
4432
4433 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4434 /* fall back to the -kernel/-append */
4435 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4436 }
4437
4438 os_set_line_buffering();
4439
4440 /* spice needs the timers to be initialized by this point */
4441 qemu_spice_init();
4442
4443 cpu_ticks_init();
4444 if (icount_opts) {
4445 if (!tcg_enabled()) {
4446 error_report("-icount is not allowed with hardware virtualization");
4447 exit(1);
4448 }
4449 configure_icount(icount_opts, &error_abort);
4450 qemu_opts_del(icount_opts);
4451 }
4452
4453 qemu_tcg_configure(accel_opts, &error_fatal);
4454
4455 if (default_net) {
4456 QemuOptsList *net = qemu_find_opts("net");
4457 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4458 #ifdef CONFIG_SLIRP
4459 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4460 #endif
4461 }
4462
4463 colo_info_init();
4464
4465 if (net_init_clients() < 0) {
4466 exit(1);
4467 }
4468
4469 if (qemu_opts_foreach(qemu_find_opts("object"),
4470 user_creatable_add_opts_foreach,
4471 object_create_delayed, NULL)) {
4472 exit(1);
4473 }
4474
4475 #ifdef CONFIG_TPM
4476 if (tpm_init() < 0) {
4477 exit(1);
4478 }
4479 #endif
4480
4481 /* init the bluetooth world */
4482 if (foreach_device_config(DEV_BT, bt_parse))
4483 exit(1);
4484
4485 if (!xen_enabled()) {
4486 /* On 32-bit hosts, QEMU is limited by virtual address space */
4487 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4488 error_report("at most 2047 MB RAM can be simulated");
4489 exit(1);
4490 }
4491 }
4492
4493 blk_mig_init();
4494 ram_mig_init();
4495
4496 /* If the currently selected machine wishes to override the units-per-bus
4497 * property of its default HBA interface type, do so now. */
4498 if (machine_class->units_per_default_bus) {
4499 override_max_devs(machine_class->block_default_type,
4500 machine_class->units_per_default_bus);
4501 }
4502
4503 /* open the virtual block devices */
4504 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4505 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4506
4507 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4508 loc_push_restore(&bdo->loc);
4509 qmp_blockdev_add(bdo->bdo, &error_fatal);
4510 loc_pop(&bdo->loc);
4511 qapi_free_BlockdevOptions(bdo->bdo);
4512 g_free(bdo);
4513 }
4514 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4515 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4516 NULL, NULL);
4517 }
4518 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4519 &machine_class->block_default_type, NULL)) {
4520 exit(1);
4521 }
4522
4523 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4524 CDROM_OPTS);
4525 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4526 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4527
4528 parse_numa_opts(current_machine);
4529
4530 if (qemu_opts_foreach(qemu_find_opts("mon"),
4531 mon_init_func, NULL, NULL)) {
4532 exit(1);
4533 }
4534
4535 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4536 exit(1);
4537 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4538 exit(1);
4539 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4540 exit(1);
4541 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4542 exit(1);
4543 }
4544 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4545 exit(1);
4546
4547 /* If no default VGA is requested, the default is "none". */
4548 if (default_vga) {
4549 if (machine_class->default_display) {
4550 vga_model = machine_class->default_display;
4551 } else if (vga_interface_available(VGA_CIRRUS)) {
4552 vga_model = "cirrus";
4553 } else if (vga_interface_available(VGA_STD)) {
4554 vga_model = "std";
4555 }
4556 }
4557 if (vga_model) {
4558 select_vgahw(vga_model);
4559 }
4560
4561 if (watchdog) {
4562 i = select_watchdog(watchdog);
4563 if (i > 0)
4564 exit (i == 1 ? 1 : 0);
4565 }
4566
4567 machine_register_compat_props(current_machine);
4568
4569 qemu_opts_foreach(qemu_find_opts("global"),
4570 global_init_func, NULL, NULL);
4571
4572 /* This checkpoint is required by replay to separate prior clock
4573 reading from the other reads, because timer polling functions query
4574 clock values from the log. */
4575 replay_checkpoint(CHECKPOINT_INIT);
4576 qdev_machine_init();
4577
4578 current_machine->ram_size = ram_size;
4579 current_machine->maxram_size = maxram_size;
4580 current_machine->ram_slots = ram_slots;
4581 current_machine->boot_order = boot_order;
4582 current_machine->cpu_model = cpu_model;
4583
4584 machine_run_board_init(current_machine);
4585
4586 realtime_init();
4587
4588 audio_init();
4589
4590 if (hax_enabled()) {
4591 hax_sync_vcpus();
4592 }
4593
4594 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4595 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4596 exit(1);
4597 }
4598
4599 /* init USB devices */
4600 if (machine_usb(current_machine)) {
4601 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4602 exit(1);
4603 }
4604
4605 /* Check if IGD GFX passthrough. */
4606 igd_gfx_passthru();
4607
4608 /* init generic devices */
4609 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4610 if (qemu_opts_foreach(qemu_find_opts("device"),
4611 device_init_func, NULL, NULL)) {
4612 exit(1);
4613 }
4614
4615 cpu_synchronize_all_post_init();
4616
4617 rom_reset_order_override();
4618
4619 /*
4620 * Create frontends for -drive if=scsi leftovers.
4621 * Normally, frontends for -drive get created by machine
4622 * initialization for onboard SCSI HBAs. However, we create a few
4623 * more ever since SCSI qdevification, but this is pretty much an
4624 * implementation accident, and deprecated.
4625 */
4626 scsi_legacy_handle_cmdline();
4627
4628 /* Did we create any drives that we failed to create a device for? */
4629 drive_check_orphaned();
4630
4631 /* Don't warn about the default network setup that you get if
4632 * no command line -net or -netdev options are specified. There
4633 * are two cases that we would otherwise complain about:
4634 * (1) board doesn't support a NIC but the implicit "-net nic"
4635 * requested one
4636 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4637 * sets up a nic that isn't connected to anything.
4638 */
4639 if (!default_net) {
4640 net_check_clients();
4641 }
4642
4643
4644 if (boot_once) {
4645 qemu_boot_set(boot_once, &error_fatal);
4646 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4647 }
4648
4649 ds = init_displaystate();
4650
4651 /* init local displays */
4652 switch (display_type) {
4653 case DT_CURSES:
4654 curses_display_init(ds, full_screen);
4655 break;
4656 case DT_SDL:
4657 sdl_display_init(ds, full_screen, no_frame);
4658 break;
4659 case DT_COCOA:
4660 cocoa_display_init(ds, full_screen);
4661 break;
4662 case DT_GTK:
4663 gtk_display_init(ds, full_screen, grab_on_hover);
4664 break;
4665 default:
4666 break;
4667 }
4668
4669 /* must be after terminal init, SDL library changes signal handlers */
4670 os_setup_signal_handling();
4671
4672 /* init remote displays */
4673 #ifdef CONFIG_VNC
4674 qemu_opts_foreach(qemu_find_opts("vnc"),
4675 vnc_init_func, NULL, NULL);
4676 #endif
4677
4678 if (using_spice) {
4679 qemu_spice_display_init();
4680 }
4681
4682 #ifdef CONFIG_OPENGL
4683 if (display_type == DT_EGL) {
4684 egl_headless_init();
4685 }
4686 #endif
4687
4688 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4689 exit(1);
4690 }
4691
4692 qdev_machine_creation_done();
4693
4694 /* TODO: once all bus devices are qdevified, this should be done
4695 * when bus is created by qdev.c */
4696 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4697 qemu_run_machine_init_done_notifiers();
4698
4699 if (rom_check_and_register_reset() != 0) {
4700 error_report("rom check and register reset failed");
4701 exit(1);
4702 }
4703
4704 replay_start();
4705
4706 /* This checkpoint is required by replay to separate prior clock
4707 reading from the other reads, because timer polling functions query
4708 clock values from the log. */
4709 replay_checkpoint(CHECKPOINT_RESET);
4710 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4711 register_global_state();
4712 if (replay_mode != REPLAY_MODE_NONE) {
4713 replay_vmstate_init();
4714 } else if (loadvm) {
4715 Error *local_err = NULL;
4716 if (load_vmstate(loadvm, &local_err) < 0) {
4717 error_report_err(local_err);
4718 autostart = 0;
4719 }
4720 }
4721
4722 qdev_prop_check_globals();
4723 if (vmstate_dump_file) {
4724 /* dump and exit */
4725 dump_vmstate_json_to_file(vmstate_dump_file);
4726 return 0;
4727 }
4728
4729 if (incoming) {
4730 Error *local_err = NULL;
4731 qemu_start_incoming_migration(incoming, &local_err);
4732 if (local_err) {
4733 error_reportf_err(local_err, "-incoming %s: ", incoming);
4734 exit(1);
4735 }
4736 } else if (autostart) {
4737 vm_start();
4738 }
4739
4740 os_setup_post();
4741
4742 main_loop();
4743 replay_disable_events();
4744 iothread_stop_all();
4745
4746 bdrv_close_all();
4747 pause_all_vcpus();
4748 res_free();
4749
4750 /* vhost-user must be cleaned up before chardevs. */
4751 net_cleanup();
4752 audio_cleanup();
4753 monitor_cleanup();
4754 qemu_chr_cleanup();
4755 /* TODO: unref root container, check all devices are ok */
4756
4757 return 0;
4758 }
Eric Blake's pending patches to qemu